1 Wed Dec 31 18:40:26 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3 * stmt.c (expand_asm_operands): Treat ASM with no outputs as volatile.
5 Wed Dec 31 08:03:45 1997 Paul Eggert <eggert@twinsun.com>
7 * toplev.c (flag_verbose_asm): Default to 0, not 1.
9 * i386/bsd386.h (ASM_COMMENT_START): Define to " #".
11 Tue Dec 30 17:38:55 1997 Jim Wilson <wilson@cygnus.com>
13 * unroll.c (find_splittable_givs): Handle givs with
14 dest_reg created by loop.
16 Tue Dec 30 14:21:33 1997 Ian Lance Taylor <ian@cygnus.com>
18 * svr4.h (LINK_SPEC): Never specify -h.
19 * ptx4.h (LINK_SPEC): Likewise.
20 * rs6000/sysv4.h (LINK_SPEC): Likewise.
21 * sparc/sol2.h (LINK_SPEC): Likewise.
23 Tue Dec 30 06:15:23 1997 Philippe De Muyter <phdm@macqel.be>
25 * libgcc2.c (_eh_compat): Do not include stdlib.h, but provide a
26 private extern declaration for malloc.
28 Mon Dec 29 06:56:41 1997 Laurent Guerby <guerby@gnat.com>
30 * Makefile.in (stmp-int-hdrs): Add "touch".
32 Sun Dec 28 19:36:05 1997 Stephen L Moshier <moshier@mediaone.net>
34 * mips.h (CACHE_FLUSH_FUNC): New, defaults to _flush_cache.
35 (INITIALIZE_TRAMPOLINE): Use it.
36 * mips/ultrix.h (CACHE_FLUSH_FUNC): Define as cacheflush.
37 * mips/news4.h (CACHE_FLUSH_FUNC): Likewise.
39 Sun Dec 28 08:19:13 1997 Paul Eggert <eggert@twinsun.com>
41 * arm.c: Don't include assert.h.
43 (i960_arg_size_and_align): Rewrite to avoid assert.
44 * m88k.c: Don't include assert.h.
45 (expand_block_move): Rewrite to avoid assert.
46 * except.c: Don't include assert.h.
47 (scan_region): Rewrite to avoid assert.
48 (save_eh_status, restore_eh_status, scan_region): Don't bother
49 testing whether pointer is null.
50 * dwarfout.c, dwarf2out.c: Do not include assert.h.
51 (assert): New macro, since we can't use system assert.
53 Sat Dec 27 19:08:17 1997 Stephen L Moshier <moshier@mediaone.net>
55 * mips/ultrix.h (DWARF2_UNWIND_INFO): Define as 0.
57 Fri Dec 26 05:57:06 1997 Philippe De Muyter <phdm@macqel.be>
59 * m68k/mot3300.h (FINALIZE_TRAMPOLINE): Macro defined.
60 * libgcc2.c (__clear_insn_cache): New sysV68-specific helper function
63 Thu Dec 25 15:22:43 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
65 * rs6000.c (function_arg_padding): All aggregates pad upward.
67 Wed Dec 24 18:05:13 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
69 * sparc.c: Add prototypes for static functions.
70 (check_pic): Check for form of pic_pc_rtx, not it itself.
71 (pic_setup_code): New function, from finalize_pic.
72 (finalize_pic): Call pic_setup_code and insert after nonlocal_receiver.
73 * sparc.md (nonlocal_goto_receiver): New pattern.
75 Tue Dec 23 05:54:38 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
77 * expr.c (expand_builtin_setjmp): Call builtin_setjmp_receiver.
78 * mips.md (builtin_setjmp_receiver): New pattern.
80 * crtstuff.c (__do_global_ctors_aux): Add missing call to
81 FORCE_INIT_SECTION_ALIGN and go back to text section.
82 * i386/sol2.h (FORCE_INIT_SECTION_ALIGN): Remove loop.
84 * expr.c (do_store_flag): For shift, get bit count using tree_pow2.
86 Tue Dec 23 05:21:18 1997 Paul Eggert <eggert@twinsun.com>
88 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT too.
90 Mon Dec 22 19:30:59 1997 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
92 * sdbout.c (plain_type_1): Add missing checks for named types "char"
93 and "int" and check for int by size first.
95 Mon Dec 22 19:13:58 1997 Manfred Hollstein <manfred@s-direktnet.de>
97 * m68k/xm-mot3300.h (ADD_MISSING_{POSIX,XOPEN}): Define.
98 * m88k/xm-sysv3.h: Likewise.
100 * configure.in (getrlimit, setrlimit): Call AC_CHECK_FUNCS.
101 * cccp.c (main): Check HAVE_{G,S}ETRLIMIT in addition to RLIMIT_STACK.
102 * toplev.c (main): Likewise.
104 * fixincludes (target_canonical): New variable.
105 (size_t): Add support for Motorola's stdlib.h which fails to provide
106 a definition for size_t.
107 (str{len,spn,cspn} return value): Handle different layout on sysV88.
108 (fabs/hypot): Provide a fake for hypot which is broken on
109 m88k-motorola-sysv3; emit a prototype for fabs on m88k-motorola-sysv3.
111 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in definition.
112 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
114 Mon Dec 22 19:05:49 1997 Richard Henderson <rth@cygnus.com>
116 * sparc.md (jump): Don't use the annul bit around an empty loop.
118 Mon Dec 22 18:52:56 1997 Robert Lipe <robertl@dgii.com>
120 * i386/x-sco5 (CLIB) Deleted.
122 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
124 Mon Dec 22 18:42:16 1997 Philippe De Muyter <phdm@macqel.be>
126 * m68k/mot3300Mcrt0.S (mcount): Function removed.
127 (__stop_monitor): New function.
128 * m68k/mot3300-crt0.S (__stop_monitor): New (empty) function.
129 (mcount, mcount%, monitor): Common symbols removed.
130 * m68k/mot3300.h (FUNCTION_PROFILER): USE_GAS and !USE_GAS versions
132 (EXIT_BODY): Always call __stop_monitor without tricky tests.
134 Mon Dec 22 18:35:05 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
136 * objc/Make-lang.in (runtime-info.h, libobjc_entry.o): Create in
138 (libobjc.a): Update dependency list.
139 (libobjc.dll): Likewise. Use libobjc_entry.o from build directory.
140 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
141 (objc.mostlyclean): Remove runtime-info.h.
143 Mon Dec 22 18:27:47 1997 Paul Eggert <eggert@twinsun.com>
145 * libgcc2.c (_eh_compat): New section.
146 * Makefile.in (LIB2FUNCS): Add _eh_compat.
148 Mon Dec 22 17:52:37 1997 Marcus G. Daniels <mgd@wijiji.santafe.edu>
150 * objc/init.c (_objc_load_callback): Don't initialize.
152 Sun Dec 21 15:06:00 1997 Paul Eggert <eggert@twinsun.com>
154 * mips/xm-iris5.h (HAVE_INTTYPES_H): Force undefined.
156 Sun Dec 21 14:51:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
158 * dwarf2out.c (add_bound_info, case COMPONENT_REF): New case.
160 Sun Dec 14 06:49:05 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
162 * expr.c (expand_expr, case PLACEHOLDER_EXPR): Use placeholder_list
163 expression in preference to any other if correct type.
165 * i386.h (INITIAL_ELIMINATION_OFFSET): Correctly test for PIC
168 Sat Dec 13 06:11:32 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
170 * frame.h (__register_frame_info_table): Fix typo in declaration.
172 Fri Dec 12 07:55:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
174 * function.c (purge_addressof_1): For (mem (address (mem ...)),
175 when collapsing, preserve mode of outer MEM.
177 * frame.c (__register_frame_info): Renamed from __register_frame.
178 (__register_frame_info_table, __deregister_frame_info): Similarly.
179 * frame.h (__{,de}register_frame_info): Likewise.
180 (__register_frame_info_table): New declaration.
181 * crtstuff.c (__do_global_dtors{,_aux}): Rename __deregister_frame.
182 (frame_dummy, __do_global_ctors): Likewise for __register_frame.
183 * collect2.c (write_c_file_{stat,glob}): Rename __register_frame
184 to __register_frame_info and similarly for __deregister_frame and
185 __register_frame_table.
187 * sched.c (remove_dependencies): Set RTX_INTEGRATED_P on dependency
188 we delete. Properly update prev for multiple consecutive deletions.
189 (priority): Skip deleted dependence.
191 * integrate.c (initialize_for_inline): In DECL_RTL of a PARM_DECL,
192 look inside a (mem (addressof (mem ...))).
194 Fri Dec 12 05:49:58 1997 Paul Eggert <eggert@twinsun.com>
196 * collect2.c (write_c_file_glob):
197 Allocate initial frame object in static storage and pass its address.
199 Thu Dec 11 18:01:31 1997 Philippe De Muyter <phdm@macqel.be>
201 * acconfig.h (NEED_DECLARATION_GETENV): Define slot added.
203 Thu Dec 11 17:54:23 1997 Paul Eggert <eggert@twinsun.com>
205 * crtstuff.c (__do_global_ctors): Fix typo in last change.
207 Wed Dec 10 18:38:28 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
209 * libgcc2.c (__bb_exit_func): Fix test of return value of fopen.
211 Wed Dec 10 07:07:37 1997 Bernd Schmidt <crux@starsky.Informatik.RWTH-Aachen.DE>
212 * combine.c (simplify_rtx, case ABS): Don't get confused by a
215 Tue Dec 9 17:44:14 1997 David Edelsohn <edelsohn@mhpcc.edu>
217 * rs6000.h (FUNCTION_ARG_PADDING): Define.
218 * rs6000.c (function_arg_padding): New function.
220 Tue Dec 9 08:53:56 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
222 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
224 Mon Dec 8 19:23:58 1997 Pat Rankin <rankin@eql.caltech.edu>
226 * toplev.c (get_run_time): [#if VMS] Cast arg in times call.
228 * vax/xm-vms.h (HAVE_UNISTD_H): Define for DEC C.
229 * make-cccp.com [CC]: Add /Prefix=All for DEC C.
231 Mon Dec 8 08:09:17 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
233 * stmt.c (expand_decl_cleanup_no_eh): Properly return a value.
235 * fold-const.c (fold_convert): Don't flag overflow when converting
238 Sun Dec 7 09:42:05 1997 Pat Rankin <rankin@eql.caltech.edu>
240 * make-gcc.com (@make-l2): Pass along any command line arguments.
241 * make-l2.com: Add latent support to compile cp/inc/* if `cc1plus'
242 is specified [currently disabled].
243 * make-cc1.com: When building with GNU C, use -O2.
244 * make-cccp.com: Likewise.
246 Sun Dec 7 06:56:48 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
248 * crtstuff.c (__do_global_ctors): Add missing arg to __register_frame.
250 * collect2.c (write_c_file_stat): Fix error in last change;
251 use __SIZE_TYPE__, not size_t.
253 Sun Dec 7 05:50:43 1997 Paul Eggert <eggert@twinsun.com>
255 * cccp.c (strings.h): Fix misspelling of `include' introduced
256 in last change to this file.
258 Sat Dec 6 18:54:11 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
260 * alpha/vms.h (CPP_PREDEFINES): Remove redundant setting
261 of GCC version and unneeded setting of __VMS_VER.
263 Fri Dec 5 07:24:36 1997 Richard Stallman <rms@gnu.org>
265 * sparc/linux64.h (TARGET_VERSION): Write "GNU/Linux".
266 * sparc/linux.h, sparc/linux-aout.h, rs6000/linux.h: Likewise.
267 * m68k/linux.h, arm/linux.h, alpha/{linux,elf}.h: Likewise.
268 * listing: Change linux to gnu-linux.
270 Fri Dec 5 06:23:22 1997 Paul Eggert <eggert@twinsun.com>
272 Alter C startup code so that it doesn't invoke malloc on Solaris.
273 * frame.h (struct object): Decl moved here from frame.c.
274 * frame.c (struct object): Move decl to frame.h.
275 ("frame.h"): Include after <stddef.h>, so that size_t is defined.
276 (__register_frame, __register_frame_table, __deregister_frame):
277 It's now the caller's responsibility to allocate storage for object.
278 * crtstuff.c (frame_dummy), collect2.c (write_c_file_stat):
279 Allocate initial frame object in static storage and pass its address.
280 * crtstuff.c (<stddef.h>, "frame.h"): Include.
281 * Makefile.in ($(T)crtbegin.o, $(T)crtend.o, stamp-crtS):
282 Depend on defaults.h and frame.h.
284 * Makefile.in (RTL_H, TREE_H): Add gansidecl.h.
285 (DEMANGLE_H): New macro. All dependencies on demangle.h
286 changed to $(DEMANGLE_H).
288 (libgcc2.a, stmp-multilib): Add dependencies on frame.h, gansidecl.h.
289 (collect.o): Add dependency on gansidecl.h.
290 (gcc.o, choose-temp.o, pexecute.o, prefix.o): Likewise.
291 (obstack.o, choose-temp.o, pexecute.o): Add dependency on $(CONFIG_H).
293 Fri Dec 5 06:20:06 1997 Dean Deaver <deaver@amt.tay1.dec.com>
295 * arm.md (casesi_internal): Add USE of label.
297 Fri Dec 5 05:59:44 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
299 * configure.in (sys/times.h): Check for this instead of times.h.
300 * cpplib.c, toplev.c: Properly test for and include sys/times.h.
302 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
304 * sh.c (final_prescan_insn): Use local label prefix when emitting
307 Thu Dec 4 07:00:48 1997 Richard Earnshaw <rearnsha@arm.com>
309 * arm.c (arm_finalize_pic): Use an offset of 4 when adjusting the
312 Thu Dec 4 06:58:32 1997 Dean Deaver <deaver@amt.tay1.dec.com>
314 * genoutput.c (scan_operands): Treat format of "u" like "e".
316 Thu Dec 4 06:28:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
318 * msdos/top.sed, winnt/config-nt.sed: Change version to 2.8.0.
320 * stmt.c (pushcase_range): Clean up handling of "infinite" values.
322 Wed Dec 3 09:03:35 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
324 * i386.c (notice_update_cc): Remove bogus Pentium GCC code.
326 Wed Dec 3 08:46:32 1997 Paul Eggert <eggert@twinsun.com>
328 * arm.h (CPP_ARCH_DEFAULT_SPEC): Fix misspelling: `TARGET_CPU_DEFUALT'.
329 (TARGET_SWITCHES): Fix misspelling: `no-apcs-rentrant'.
330 * pa.c (override_options): Fix misspelling: `compatable'.
331 * enquire.c (main): Fix misspelling in diagnostic: `mallocatable'.
332 * gcov.c (function_summary): Fix misspelling in diagnostic: `funcion'.
333 * objc/thr-decosf1.c (__objc_thread_id): Fix misspelling in code:
334 `pthread_getuniqe_np'.
336 * tahoe.c (extensible_operand): Renamed from extendable_operand.
338 * dwarf2.h (enum dwarf_discrim_list): Renamed from dwarf_descrim_list.
339 * dwarf2out.c: Fix misspellings in forward static function
340 declarations: `add_AT_setion_offset', `add_sibling_atttributes'.
341 * dwarfout.c: Fix misspellings in forward static function
342 declarations: `langauge_attribute', `geneate_new_sfname_entry'.
343 * stmt.c, tree.h (start_cleanup_deferral):
344 Renamed from start_cleanup_deferal.
345 (end_cleanup_deferral): Renamed from end_cleanup_deferal.
346 * toplev.c (rest_of_compilation): Rename local var from
347 inlineable to inlinable.
349 Wed Dec 3 06:17:03 1997 Jason Merrill <jason@yorick.cygnus.com>
351 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
353 Wed Dec 3 06:06:38 1997 Jim Wilson <wilson@cygnus.com>
355 * dwarf2out.c (gen_type_die, case POINTER_TYPE): See TREE_ASM_WRITTEN
356 before the recursive call.
358 Wed Dec 3 05:57:29 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
360 * configure.in (AC_HEADER_{STDC,TIME}): Add calls.
361 (AC_CHECK_HEADERS): Add fcntl.h times.h, sys/times.h,
362 sys/resource.h, and sys/param.h.
363 (getenv): Check if need declaration.
364 * cccp.c: Remove obsolete ways of including headers and use autoconf
366 Include gansidecl.h; remove things defined there.
367 See if getenv needs to be declared.
368 * cpplib.c: Likewise.
369 * cexp.y: Use autoconf symbols to select what include files are needed.
370 * genattrtab.c, toplev.c: Likewise.
372 Tue Dec 2 21:44:25 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
374 * reload1.c (reload): Make copy of MEM before setting
375 req_equiv_mem if the address is a PLUS.
377 Tue Dec 2 07:03:47 1997 Pat Rankin <rankin@eql.caltech.edu>
379 * vax/xm-vms.h (STDC_HEADERS, HAVE_STDLIB, HAVE_STRING): Define.
380 (mesg_implicit_function_declaration): New macro.
382 * make-l2.com: Compile libgcc2.c with `-fexceptions' specified.
384 Mon Dec 1 17:44:59 1997 Jeffrey A Law (law@cygnus.com)
386 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
387 output ASCII by default; only use ASM_OUTPUT_DWARF_STRING if
388 flag_debug_asm is on.
389 (output_die, output_pubnames, output_line_info): Likewise.
391 Mon Dec 1 17:15:30 1997 Philip Blundell <pb@nexus.co.uk>
393 * arm/linux.h (SUBTARGET_CPU_DEFAULT): Define instead
394 of TARGET_CPU_DEFAULT.
396 Mon Dec 1 16:51:23 1997 J.J. van der Heijden <J.J.vanderHeijden@student.utwente.nl>
398 * i386/mingw32.h (MATH_LIBRARY): Set to "-lcrtdll".
400 Mon Dec 1 16:46:57 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
402 * c-aux-info.c: Add prototypes for static functions.
403 * c-lex.c, emit-rtl.c, rtl.c, xcoffout.c: Likewise.
405 * i386.h (TARGET_SWITCHES): Add entries for "windows" and "dll".
407 Mon Dec 1 16:42:20 1997 Jim Wilson <wilson@cygnus.com>
409 * mips.md (fix_trunc{dfsi,sfsi,dfsi}2): Add '*' in operand 3.
411 Sun Nov 30 20:25:59 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
413 * expr.c (get_inner_reference): For ARRAY_REF, if need
414 WITH_RECORD_EXPR, make it with the ARRAY_REF as exp.
416 * expr.c (store_constructor): Use TARGET, not EXP, for
417 WITH_RECORD_EXPR when offset has a placeholder.
419 Sun Nov 30 11:19:00 1997 J.J. van der Heijden <J.J.vanderHeijden@student.utwente.nl>
421 * objc/Make-lang.in (libobjc.dll): Rename -dll flag to -mdll.
423 Sun Nov 30 08:42:29 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
425 * stmt.c (expand_end_bindings): Cleanups and incoming gotos are
428 Sun Nov 30 05:45:06 1997 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
430 * jump.c (jump_optimize): Use find_insert_position in two more places.
432 Sat Nov 29 13:47:40 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
434 * alpha/vms.h (HAVE_STRERROR, HAVE_{LIMITS,STDDEF,TIME}_H): Define.
436 Sat Nov 29 08:29:47 1997 J.J.van der Heijden <J.J.vanderHeijden@student.utwente.nl>
438 * configure.in: Add check for kill.
439 * gcc.c: Define kill as raise if not HAVE_KILL.
441 Sat Nov 29 06:18:08 1997 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
443 * jump.c (find_insert_position): New function.
444 (jump_optimize): Use it when making new copy of insn after test.
446 Sat Nov 29 05:54:57 1997 Douglas Rupp <rupp@gnat.com>
448 * alpha/vms.h (BIGGEST_ALIGNMENT, ENCODE_SECTION_INFO): No longer
451 Sat Nov 29 05:43:37 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
453 * getpwd.c (getpwd, [VMS]): Only add extra arg if VMS.
455 * alpha/xm-vms.h (HAVE_VPRINTF, HAVE_PUTENV): Define.
457 * cccp.c (index, rindex): Add conditional defs to strchr and strrchr.s
458 * cpplib.c: Likewise.
459 * gcov.c: Include gansidecl.h.
461 Fri Nov 28 21:17:51 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
463 * objc/objc-act.c: Include "output.h".
465 * objc/Make-lang.in (objc-parse.o, objc-act.o): Also depend on
468 * objc/Object.m (+conformsTo:): Surround assignment with parentheses.
470 * objc/archive.c, objc/class.c, objc/encoding.c: Finish prototyping.
471 * objc/init.c, objc/objc-act.c, objc/objc-api.h: Likewise.
472 * objc/runtime.h, objc/sendmsg.c: Likewise.
474 Fri Nov 28 19:15:53 1997 Mark Kettenis <kettenis@phys.uva.nl>
476 * objc/thr-posix.c (__objc_mutex_allocate): Allocate
477 mutex type instead of assuming it fits in a void * type.
478 (__objc_mutex_deallocate): Free mutex type.
479 (__objc_mutex_lock): Pass mutex type instead of pointer to it.
480 (__objc_mutex_{try,un}lock): Likewise.
481 (__objc_condition_allocate): Allocate condition type instead
482 of assuming it fits in a void * type.
483 (__objc_condition_deallocate): Free condition type.
484 (__objc_condition_wait): Pass condition type instead of pointer to it.
485 (__objc_condition_{broadcast,signal}): Likewise.
487 Fri Nov 28 17:07:25 1997 David Edelsohn <edelsohn@mhpcc.edu>
489 * rs6000.c (function_arg_partial_nregs): Undo 11/26 change.
491 Fri Nov 28 12:34:03 1997 Scott Christley <scottc@net-community.com>
493 * objc/Make-lang.in (runtime-info.h): Add comment in file.
495 * objc/selector.c: Replace all occurrences of sarray_get
496 with sarray_get_safe.
497 * objc/sendmsg.c: Likewise.
499 * protoize.c (include_defaults): Add component element as in cccp.c.
500 * nextstep.h (INCLUDE_DEFAULTS): Add component element.
501 (ASM_COMMENT_START): Correct assembly comment string.
502 * objc/Make-lang.in (objc/{NXConstStr,Object,Protocol,linking):
503 Compile with GNU runtime.
505 Fri Nov 28 12:27:50 1997 Ovidiu Predescu <ovidiu@net-community.com>
507 Generate platform information required by ObjC runtime.
508 * toplev.c (lang_options): New ObjC specific compiler flag.
509 * objc/Make-lang.in: Add target to generate runtime-info.h file.
510 * objc/objc-act.c (print_struct_values): New variable.
511 (generate_struct_by_value_array): New function.
512 (lang_init): Call generate_struct_by_value_array if requested.
513 (lang_decode_option): Check for new compiler flag.s
514 * objc/sendmsg.c (__objc_get_forward_imp): Check size of type
515 for determining proper forwarding function.
517 Fri Nov 28 05:58:30 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
519 * regclass.c (record_address_regs): Use REG_OK_FOR_{INDEX,BASE},
520 not the REGNO versions.
522 Thu Nov 27 16:28:04 1997 Scott Snyder <snyder@d0sgif.fnal.gov>
524 * dwarf2out.c (outout_call_frame_info): Ensure info has proper
527 * libgcc2.c (__throw): Initialize HANDLER.
529 Thu Nov 27 16:23:25 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
531 * tree.h, rtl.h: See if need declarations for free.
532 * tree.c, bc-optab.c: Get the declaration of free from stdlib.h.
534 Thu Nov 27 07:21:54 1997 Jason Merrill <jason@yorick.cygnus.com>
536 * except.h: Add outer_context_label_stack.
537 * except.c: Likewise.
538 (expand_start_all_catch): Push the outer_context for the try block
539 onto outer_context_label_stack.
540 (expand_end_all_catch): Use it and pop it.
542 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
544 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
546 Thu Nov 27 07:15:10 1997 Michael Meissner <meissner@cygnus.com>
548 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
549 (print_operand{,_address}): Use SMALL_DATA_REG for register involved in
550 small data relocations.
552 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
553 -dynamic linker is not used.
555 * rs6000.md (call insns): For local calls, use @local suffix under
556 System V; don't use @plt under Solaris.
558 Wed Nov 26 15:12:32 1997 Jeffrey A Law (law@cygnus.com)
560 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
562 * toplev.c (flag_exceptions): Default value is 2.
563 (compile_file): If flag_exceptions still has the value 2, then
566 Wed Nov 26 14:58:42 1997 Michael Meissner <meissner@cygnus.com>
568 * rs6000.c (output_function_profiler): Put label address in r0, and
569 store LR in 4(sp) for System V/eabi.
571 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
572 byte boundary, and maintain stack backchain.
574 (Originally from Geoffrey Keating)
575 * rs6000.c (function_arg): Excess floating point arguments don't
576 go into GPR registers after exhausting FP registers under the
578 (function_arg_partial_nregs): Likewise.
580 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
583 Wed Nov 26 14:09:01 1997 Jason Merrill <jason@yorick.cygnus.com>
585 * dwarfout.c (output_type): If finalizing, write out nested types
586 of types we've already written.
588 * toplev.c (main): Complain about -gdwarfn.
590 Wed Nov 26 12:37:56 1997 J.J. van der Heijden <J.J.vanderHeijden@student.utwente.nl>
592 * mingw32.h (PATH_SEPARATOR): Moved to xm-mingw32.h
593 * xm-mingw32.h (PATH_SEPARATOR): Moved here from mingw32.h.
595 * getpwd.c (getpwd): Use VMS implementation of _WIN32 unless cygwin32.
597 Wed Nov 26 12:26:44 1997 John Hassey <hassey@dg-rtp.dg.com>
599 * m88k/dgux.h (ASM_CPU_SPEC) : No whitespace allowed.
601 * m88k.h (SUPPORTS_ONE_ONLY) : Must be svr4.
603 * i386/dgux.h (ASM_OUTPUT_ALIGN): Deleted.
605 * i386/dgux.c (output_file_start) : Changed ix86_isa_string
608 * cplus-dem.c (fancy_abort): Added.
610 Wed Nov 26 06:07:50 1997 Richard Earnshaw <rearnsha@arm.com>
612 * arm/coff.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_32 to defaults.
614 * configure.in (arm*-*-*): Recognize --with-cpu for ARM processors.
616 Wed Nov 26 05:05:36 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
618 * libgcc2.c (inhibit_libc): Define #ifdef CROSS_COMPILE.
620 * mips/xm-iris6.h (malloc, realloc, calloc): No longer declare.
622 (xm-iris5.h): No longer include; just include xm-mips.h.
624 * mips-tfile.c (parse_def): Properly recognize bitfield and
625 count array dimensions.
627 * protoize.c: Remove declarations of void, exit, and free.
629 * i386/mingw32.h (LINK_SPEC, STARTFILE_SPEC): Change -dll to -mdll.
631 * configure.in: Check for sys/file.h.
632 * gcc.c (sys/file.h): Include if HAVE_SYS_FILE_H.
634 * configure.in: Only give error on bad --with-cpu value for target.
636 Sat Nov 22 19:21:55 1997 Philippe De Muyter <phdm@macqel.be>
638 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
639 (ASM_OUTPUT_DWARF_VALUE4): New macro.
640 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
642 (output_call_frame_info): Don't output forward label differences
643 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
644 Substitute instead simple label and define this label later to be
645 difference of desired labels after they have been defined.
646 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
648 * gcc.c (process_command): Don't take address of function fatal when
649 calling lang_specific_driver.
651 Sat Nov 22 17:08:03 1997 J. Kean Johnston <jkj@sco.com>
653 * i386/sco5.h (SELECT_RTX_SECTION): Redefine to work with -fpic.
654 (LIBGCC_SPEC, LIB_SPEC): Link with correct libgcc.a.
655 (HAVE_ATEXIT): Define.
657 Sat Nov 22 12:20:22 1997 Richard Earnshaw <rearnsha@arm.com>
659 * arm.md (movsfcc{,_hard}_insn): Specify mode for all alternatives.
661 Sat Nov 22 06:56:16 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
663 * function.c (instantiate_decl): Only ignore ADDRESSOF if arg is REG.
665 * configure.in: Check for functions before checking which need decls.
666 (bcopy, bzero, bcmp, index, rindex): Add checks.
667 (vax-*-sysv*): Fix typo in setting of xm_file.
668 * aclocal.m4: Add conditional definitions of index and rindex.
669 * gansidecl.h (bcopy, bzero, bcmp, index, rindex): If don't
670 have one of these, define macro to use ANSI form.
671 * pa/xm-pahpux.h (bcopy, bzero, bcmp, rindex, index): No longer define.
672 * mips/xm-sysv.h, xm-m88k.h, m68k/xm-plexus.h: Likewise.
673 * m68k/xm-mot3300.h, m68k/xm-m68kv.h, m68k/xm-hp320.h: Likewise.
674 * winnt/xm-winnt.h, vax/xm-vms.h, m68k/xm-3b1.h: Likewise.
675 * i386/xm-os2.h, i386/xm-mingw32.h, alpha/xm-vms.h: Likewise.
676 * xm-svr4.h, xm-svr3.h: Likewise.
677 * clipper/xm-clix.h: Likewise.
678 (TARGET_MEM_FUNCTIONS): Define here.
679 * xm-linux.h (bcmp, bcopy, bzero, index, rindex): No longer undefine.
680 * xm-convex.h (bcopy, bzero): No longer define.
681 * vax/xm-vaxv.h, sparc/xm-pbd.h, mips/xm-iris{3,4,5}.h: Likewise.
682 * m68k/xm-crds.h, m68k/xm-altos3068.h, i386/xm-sun.h: Likewise.
683 * i386/xm-osf.h, i386/xm-aix.h, xm-i370.h, ns32k/xm-genix.h: Likewise.
685 Sat Nov 22 06:46:26 1997 Paul Eggert <eggert@twinsun.com>
687 * c-typeck.c, collect2.c, cpplib.c, dwarfout.c, gcov.c, protoize.c:
688 Don't include <strings.h> unless there's no <string.h>.
690 Fri Nov 21 06:46:50 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
692 * configure.in (i[3456]86-*-freebsd{,elf}*): Delete i386/xm-freebsd.h.
693 * xm-freebsd.h, i386/xm-freebsd.h: Deleted.
695 * i386/xm-cygwin32.h (HAVE_RUSAGE, HAVE_FILE_H): Deleted.
696 * i386/xm-mingw32.h, rs6000/xm-cygwin32.h: Likewise.
698 * xm-std32.h: New file, so far unused.
700 Fri Nov 21 05:50:54 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
702 * m68k.c (legitimize_pic_address): Make sure pic register marked used.
704 * dwarf2out.c (output_call_frame_info): Call app_enable and
705 app_disable if flag_debug_asm, not if flag_verbose_asm.
707 Thu Nov 20 16:37:36 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
709 * expr.c (expand_builtin_apply): Fix typo in last change.
711 * expr.c (expand_assignment): If assigning to readonly field,
712 mark rtx as unchanging.
714 * configure.in: Add checks for functions putenv, popen, and vprintf.
715 (i[3456]86-*-netbsd*): No longer need i386/xm-netbsd.h.
716 (i860-alliant-*): No longer need i860/xm-fx2800.h.
717 (m68k-ncr-sysv*): Use xm-svr3.h instead of m68k/xm-tower.h.
718 (m68k-sun-sunos*): No longer need m68k/xm-sun3.h.
719 (m68k-*-netbsd*): No longer need m68k/xm-netbsd.h.
720 (mips-dec-netbsd*): No longer need mips/xm-netbsd.h.
721 (ns32k-pc532-netbsd*): No longer need ns32k/xm-netbsd.h.
722 (sparc-*-netbsd*): No longer need sparc/xm-netbsd.h.
723 (vax-*-netbsd*): No longer need config/xm-netbsd.h.
724 * arm/xm-netbsd.h: No longer include xm-netbsd.h.
725 * xm-linux.h (HAVE_VPRINTF, HAVE_POPEN, HAVE_PUTENV): Deleted.
726 * xm-mips.h (HAVE_VPRINTF, HAVE_PUTENV): Deleted.
727 * i386/xm-osf.h, xm-arm.h, xm-alpha.h: Likewise.
728 * xm-sparc.h (HAVE_POPEN): Deleted.
729 * xm-sh.h (HAVE_VPRINTF): Deleted.
730 * mips/xm-iris4.h, mips/xm-iris5.h, xm-m88k.h: Likewise.
731 * m68k/xm-crds.h, m68k/xm-atari.h, m68k/xm-amix.h: Likewise.
732 * xm-svr3.h, xm-svr4.h, i386/xm-mingw32.h: Likewise.
733 * i386/xm-os2.h (HAVE_PUTENV): Deleted.
734 * i386/xm-dos.h, i386/xm-aix.h: Likewise.
735 * arm/xm-netbsd.h (HAVE_VPRINTF, HAVE_STRERROR): No longer
737 * xm-netbsd.h, i386/xm-netbsd.h, m68k/xm-netbsd.h: Deleted.
738 * mips/xm-netbsd.h, ns32k/xm-netbsd.h, sparc/xm-netbsd.h: Likewise.
739 * i860/xm-fx2800.h, m68k/xm-sun3.h, m68k/xm-tower.h: Likewise.
741 Thu Nov 20 16:04:24 1997 Richard Earnshaw <rearnsha@arm.com>
743 * explow.c (plus_constant_wide, case MEM): If about to call
744 force_const_mem, generate the rtl in a saveable obstack.
746 * arm.md (movhi): Pass the full MEM to storeinthi, storehi and
748 (storeinthi, storehi, storehi_bigend): Be more conservative about
749 when not to force a PLUS or MINUS into a REG. Use change_address
752 Wed Nov 19 15:16:04 1997 Ulrich Drepper <drepper@cygnus.com>
754 * c-common.c (print_char_table): Add a and A to float formats.
755 (scan_char_table): Likewise.
756 (check_format_info): Recognize `a' as allocate flag only if used
759 Wed Nov 19 12:56:54 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
761 * configure.in: Fix check for <inttypes.h>.
763 Tue Nov 18 19:27:01 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
765 * sh.md (attribute "type"): Add nil.
766 (movsi_ie): y/y alternative is type nil.
767 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X.
768 (movsf_ie+1): Delete.
770 Tue Nov 18 18:38:41 1997 Paul Eggert <eggert@twinsun.com>
772 * cccp.c (warn_undef): Now static.
773 (eval_if_expression): Don't warn about undefined preprocessor symbols
775 * cexp.y (parse_c_expression):
776 Now takes new arg specifying whether to warn
777 about undefined preprocessor symbols.
778 (warn_undef): Now local and static; independent of warn_undef in cccp.c
779 (yylex): `register' -> `register int', needed for C9X.
781 The following changes are only if TEST_EXP_READER is defined:
782 (expression_signedp): New var.
783 (start): Set expression_signedp to signedness of expression.
784 (print_unsigned_host_wide_int): New function.
785 (main): Use it to print value of expression, instead of hoping that
786 `long' is long enough. Print "u" after unsigned values.
788 Tue Nov 18 18:33:30 1997 Jim Wilson <wilson@cygnus.com>
790 * mips.c (save_restore_insns): If gp_offset or fp_offset are
791 large_int, emit two insns instead of one splitable insn.
792 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
793 from cfa_temp_value, use cfa_offset. Add assert checking that
796 Tue Nov 18 09:11:58 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
798 * fold-const.c (div_and_round_double): Return overflow for
799 divide-by-zero instead of aborting.
801 * tree.c (substitute_in_expr, case TREE_LIST): Fix two typos.
803 Tue Nov 18 05:03:52 1997 Jeffrey A Law <law@cygnus.com>
805 * arm.c (output_move_double): Allocate 3 entries in otherops array.
807 Tue Nov 18 02:41:01 1997 Paul Eggert <eggert@twinsun.com>
809 * cccp.c (quote_string_for_make): New function.
810 (deps_output): Use it to fix bug with file name quoting in -M output.
812 Mon Nov 17 13:28:33 1997 Philip Blundell <Philip.Blundell@pobox.com>
814 * arm/lib1funcs.asm (__div0): Provide GNU/Linux implementation.
815 * arm/t-linux (LIB1ASMFUNCS): Use it.
817 Mon Nov 17 09:13:59 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
819 * function.c (purge_addressof_1): Make copy when substituting argument
821 (fixup_var_refs_1): Likewise.
823 * m68k.c: Include tree.h.
825 Mon Nov 17 09:01:05 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
827 * getpwd.c (getpwd, [VMS]): Add extra arg of 0 to getcwd call.
829 * alpha/vms.h ({OPTIMIZATION,OVERRIDE}_OPTIONS): Delete, for now.
830 * alpha/xm-vms.h (DIR_SEPARATOR, PATH_SEPARATOR): Delete.
832 Mon Nov 17 08:52:45 1997 Richard Earnshaw <rearnsha@arm.com>
834 * function.c (fixup_stack_1): Also fix-up refs via ARG_POINTER_REGNUM.
836 * configure.in (arm-*-netbsd*): Doesn't need collect2.
838 Mon Nov 17 08:50:01 1997 Stephen L Moshier <moshier@world.std.com>
840 * i386/isc.h (DWARF2_UNWIND_INFO): Define as 0.
842 Mon Nov 17 08:42:28 1997 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
844 * flow.c (propagate_block): Look for pre-inc/dec within PARALLEL.
846 Mon Nov 17 03:14:46 1997 Paul Eggert <eggert@twinsun.com>
848 * cpplib.c (file_size_and_mode): Remove.
849 (finclude): Don't assume long and off_t are same size or that
851 * cccp.c: (main, finclude, check_precompiled): Don't assume size_t
852 and off_t are same size.
853 * gcov.c (read_files): Don't assume off_t and unsigned are same size.
855 Sun Nov 16 18:56:40 1997 Scott Christley <scottc@net-community.com>
857 * objc/objc-act.c (objc_demangle): New function.
858 (objc_printable_name): New function.
859 (init_objc): Change default function.
861 * expr.c (expand_builtin_apply): Prefer nonlocal over block.
863 Sun Nov 16 18:10:13 1997 Fila Kolodny <fila@ibi.com>
865 * i370.c (i370_function_prolog): New function from i370.h.
866 * i370.h (FUNCTION_PROLOG): Just call i370_function_prolog.
868 Sun Nov 16 08:40:35 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
870 * calls.c (expand_call, store_one_arg): Don't pass QImode arguments
871 to emit_library_call.
872 * expr.c (emit_push_insn, expand_assignment, store_expr): Likewise.
873 (expand_expr, expand_builtin): Likewise.
874 * function.c (put_var_into_stack, assign_parms): Likewise.
875 * alpha.c (alpha_builtin_saveregs): Likewise.
876 * clipper.c (clipper_builtin_saveregs): Likewise.
877 * m88k.c (m88k_builtin_saveregs): Likewise.
878 * pa.c (hppa_builtin_saveregs): Likewise.
879 * sparc.c (sparc_builtin_saveregs): Likewise.
881 Sun Nov 16 07:39:08 1997 Paul Eggert <eggert@twinsun.com>
883 * real.h (REAL_VALUES_IDENTICAL): New macro.
884 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
885 * fold-const.c (operand_equal_p): Don't consider -0.0 identical to 0.0.
886 * tree.c (simple_cst_equal): Likewise.
887 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL macro.
889 Sun Nov 16 07:29:12 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
891 * acconfig.h (NEED_DECLARATION_{,R}INDEX): New cases.
892 * configure.in: See if need declarations for index and rindex.
893 * c-typeck.c, collect2.c, cpplib.c, dwarfout.c, gcov.c, protoize.c:
894 Include stdlib.h, string.h, and strings.h, if they exist.
895 Only declare index and rindex if needed.
896 * collect2.c: Only declare free if needed.
898 * regclass.c (record_address_regs): Refine choice of index and base
899 when have sum of two regs, one of which is a hard reg.
901 Sun Nov 16 07:07:45 1997 Robert Lipe (robertl@dgii.com)
903 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define as in sysv4 and linux
904 (HAVE_ATEXIT): No longer define. This confused ELF destructors.
905 (DBX_DEBUGGING_INFO): Define.
907 Sat Nov 15 09:55:11 1997 Richard Earnshaw (rearnsha@arm.com)
909 * arm.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept MINUS (until reload
910 knows what to do with it).
912 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
914 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
915 pick apart floating point values, instead of using CONST_DOUBLE_LOW
916 and CONST_DOUBLE_HIGH.
918 * rs6000.md (define_splits for DF constants): Use the appropriate
919 REAL_VALUE_* interface to pick apart DF floating point constants in
920 a machine independent fashion.
922 Thu Nov 13 07:30:53 1997 Richard Earnshaw (rearnsha@arm.com)
924 * arm/netbsd.h (LINK_SPEC): Redefine -- pass -X.
926 * arm.md (movsicc_insn): Add extra reload alternatives for better
928 (movsfcc_hard_insn, movsfcc_soft_insn, movdfcc_insn): Likewise.
930 Mon Nov 10 19:32:14 1997 Doug Evans <dje@cygnus.com>
932 * sparc.md (mov[sdt]f_const_insn): Fix condition to match what
933 instruction can handle.
935 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
937 * stmt.c (expand_decl_cleanup_no_eh): New fn.
939 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
941 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
943 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
944 swap instruction order.
946 Sun Nov 9 09:51:08 1997 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
948 * machmode.def (QCmode, HCmode): New modes.
950 Sun Nov 9 09:24:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
952 * combine.c (sets_function_arg_p): New function.
953 (combinable_i3pat): Check if combining with any but the first
954 argument register setting insn for a function call.
956 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid sheduling load from
959 Sun Nov 9 09:17:53 1997 Richard Earnshaw (rearnsha@arm.com)
961 * loop.c (strength_reduce): If initial value of BIV is equivalent to
962 a constant, record that as initial value.
963 (check_dbra_loop): Don't reverse loop if initial value isn't CONST_INT.
965 Sun Nov 9 09:12:41 1997 Tristan Gingold <gingold@haendel.enst.fr>
967 * expr.c (emit_push_insn): Avoid infinite recursion
968 when -fcheck-memory-usage.
970 Sun Nov 9 08:03:42 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
972 * cse.c (simplify_binary_operation): Fix error in last change.
974 Sun Nov 9 07:56:31 1997 Pat Rankin <rankin@eql.caltech.edu>
976 * vmsconfig.com [version.opt]: Parse version string more robustly.
977 [@variable@]: Discard configure tokens when using Makefile.in.
978 [libgcc2-cxx.list]: Generate this new file for CXX_LIB2FUNCS.
979 [cp/input.c]: Suppress it as workaround to avoid linker warning.
980 [objc-parse.y]: Now lives in the objc subdirectory.
981 * make-cc1.com [objc-parse.{c,y}]: Ditto.
982 * make-cccp.com [prefix.c]: Compile additional source file.
984 * cccp.c (VMS_freopen, VMS_fopen, VMS_open, VMS_fstat): Call
985 corresponding library routine specified via its ordinary name
986 rather than with a decc$ prefix. (Reverses Oct 19 change.)
988 * cccp.c, cexp.y [HOST_WIDE_INT]: Manually splice long lines
989 of avoid backslash+newline continuation on #if directives.
991 Sun Nov 9 01:54:54 1997 Jeffrey A Law (law@cygnus.com)
993 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
996 Sat Nov 8 23:01:37 1997 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
998 * cse.c (simplify_binary_operation): Don't simplify divide by zero
999 for targets that don't support a representation of INFINITY.
1001 Sat Nov 8 22:37:29 1997 Richard Earnshaw <rearnsha@arm.com>
1003 * Makefile.in (cse.o): Depend on expr.h.
1004 * cse.c: Include expr.h.
1005 (fold_rtx, case MEM): For ADDRESSOF, create new MEM.
1007 Sat Nov 8 19:27:56 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1009 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
1010 use copy_to_reg if address is not a general_operand.
1012 Sat Nov 8 18:39:56 1997 Jason Merrill <jason@yorick.cygnus.com>
1014 * libgcc2.c (L_eh): Define __eh_pc here.
1015 Replace __eh_type with generic pointer __eh_info.
1017 Sat Nov 8 07:03:47 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1019 * alpha.h (SECONDARY_OUTPUT_RELOAD_CLASS): If FLOAT_REGS,
1020 need secondary reload for QImode and HImode even if BWX.
1022 * expmed.c (store_split_bit_field): Force ADDRESSOF into register.
1024 * cse.c (fold_rtx, case ADDRESSOF): New case (that does nothing).
1026 * function.c (fixup_var_refs_1, case ADDRESSSOF): Check that
1027 new value is valid for insn.
1029 * stor-layout.c (get_best_mode): Refine test for field within
1030 unit to work properly for negative positions.
1032 * print-rtl.c (print_inline_rtx): Save and restore sawclose and indent.
1034 * reload.c (find_replacement): If PLUS, MINUS, or MULT, see if
1035 either arg contains a replacement.
1037 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
1039 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
1042 Fri Nov 7 06:50:57 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1044 * alpha.h (FUNCTION_VALUE): Take into account promotion of pointers.
1046 * unroll.c (back_branch_in_range_p): Refine check for INSN at loop end.
1048 Wed Nov 5 18:17:50 1997 Paul Eggert <eggert@twinsun.com>
1050 * fixinc.svr4: Replace `__STDC__ - 0 == 1'
1051 with `defined (__STRICT_ANSI__)'.
1053 Tue Nov 4 18:32:44 1997 Jim Wilson <wilson@cygnus.com>
1055 * mips.md (insv, extzv, extv): Add change_address call.
1056 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
1057 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
1058 save_restore_insns if no FP and GP will be restored.
1060 * acconfig.h (HAVE_INTTYPES_H): Undef.
1061 * configure.in (inttypes.h): Check for conflicts between sys/types.h
1062 and inttypes.h, and verify that intmax_t is defined.
1063 * mips/x-iris (CC, OPT, OLDCC): Comment out.
1064 * mips/x-iris3: Likewise.
1066 Tue Nov 4 17:28:31 1997 Doug Evans <dje@cygnus.com>
1068 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
1069 (yylex): Record wide strings using target endianness, not host.
1071 Tue Nov 4 16:18:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1073 * Makefile.in (distdir-start): Add dependency on $(srcdir)/config.in.
1075 Tue Nov 4 06:14:30 1997 Paul Eggert <eggert@twinsun.com>
1077 * c-lex.c (yylex): Don't warn about constants like
1078 9223372036854775807 and 18446744073709551615U on an L32LL64 host
1081 Mon Nov 3 18:42:44 1997 Jim Wilson <wilson@cygnus.com>
1083 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
1084 * i386.md (prologue_{set_got,get_pc}): Add UNSPEC_VOLATILE to pattern.
1085 (prologue_get_pc_and_set_got): New pattern.
1087 Mon Nov 3 13:42:21 1997 Paul Eggert <eggert@twinsun.com>
1089 * cccp.c, cpplib.c (compare_defs): Don't complain about arg name
1090 respellings unless pedantic.
1091 * cpplib.c (compare_defs): Accept pfile as new arg.
1092 All callers changed.
1094 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
1096 * global.c (global_alloc): Free the conflict matrix after
1097 reload has finished.
1099 Thu Oct 30 17:30:42 1997 Doug Evans <dje@cygnus.com>
1101 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
1103 (sparc*-*-*): Recognize --with-cpu=v9.
1104 * sparc/elf.h: New file.
1105 * sparc/t-elf: New file.
1107 Thu Oct 30 16:36:17 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1109 * stmt.c (expand_asm_operand): If error in matching constraint,
1112 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1114 * va-sh.h (__va_arg_sh1): Define.
1116 SH3E doesn't use any integer registers for subsequent arguments
1117 once a non-float value was passed in the stack.
1118 * sh.c (machine_dependent_reorg): If optimizing, put explicit
1119 alignment in front label for ADDR_DIFF_VEC.
1120 * sh.h (PASS_IN_REG_P): Fix SH3E case.
1121 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
1123 Tue Oct 28 21:09:25 1997 Jim Wilson <wilson@cygnus.com>
1125 * m68k.md (btst patterns): Add 5200 support.
1127 1997-10-28 Brendan Kehoe <brendan@cygnus.com>
1129 * global.c (global_alloc): Use xmalloc instead of alloca for
1130 CONFLICTS, since max_allocno * allocno_row_words alone can be more
1131 than 2.5Mb sometimes.
1133 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1135 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
1138 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
1141 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
1143 Mon Oct 27 16:01:14 1997 Jeffrey A Law (law@cygnus.com)
1145 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
1147 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1149 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
1150 put an use_sfunc_addr before each sfunc.
1151 * sh.md (use_sfunc_addr, dummy_jump): New insns.
1152 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
1154 Mon Oct 27 11:49:43 1997 Jason Merrill <jason@yorick.cygnus.com>
1156 * dwarf2.h: Remove dwarf2out prototypes.
1157 * tree.h: And put them here.
1158 * m68k.c, i386.c: Don't include dwarf2.h.
1160 Mon Oct 27 00:02:13 1997 Paul Eggert <eggert@twinsun.com>
1162 Remap include files with header.gcc only if user or configuration
1163 file specifies "-remap".
1165 * cccp.c (remap): New var.
1166 (main): Set it if user specifies "-remap".
1167 (open_include_file): Remap only if `remap' is nonzero.
1169 * cpplib.h (struct cpp_options): New member `remap'.
1170 * cpplib.c (cpp_options_init): Set remap to 0.
1171 (open_include_file): Remap only if `remap' is nonzero.
1172 (cpp_handle_options): Set remap if user specifies "-remap".
1174 * i386/cygwin32.h, rs6000/cygwin32.h (CPP_SPEC): Define with -remap.
1176 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
1178 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
1179 bit PC-relative offset. The exception range table pointer is now in
1181 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
1182 (count_fdes, add_fdes, get_cie): Adjust.
1183 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
1186 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
1188 Sat Oct 25 20:29:39 1997 Alexandre Oliva <oliva@dcc.unicamp.br>
1190 * Makefile.in (float.h-nat): If float.h is to be empty, ensure it is.
1192 Sat Oct 25 20:16:52 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1194 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
1195 use varargs.h. Wrap header with <>, not "".
1197 Sat Oct 25 20:10:57 1997 Robert Lipe (robertl@dgii.com)
1199 * i386/sco5.h (EH_FRAME_SECTION_ASM_OP{,_ELF,_COFF}): Define.
1200 (DWARF2_UNWIND_INFO): Likewise.
1201 (EXTRA_SECTIONS): Add in_eh.
1203 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
1205 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
1206 (TARGET_MULT_BUG): Define.
1207 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
1208 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
1210 Fri Oct 24 15:43:57 1997 Michael Meissner <meissner@cygnus.com>
1212 * rs6000.c (toplevel): Move include stdio.h before config.h.
1214 (Patch from H.J. Lu, Aug 27, 1997)
1215 * rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New; defined as 1.
1217 (Patch from Jeff Law, Oct 22, 1997)
1218 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
1219 (rs6000_{save,restore}_machine_status): Save/restore it.
1221 * rs6000.md (movsi_got_internal_mem): New pattern to work around
1222 case where GOT value did not get a register.
1223 (movsi_got_internal_mem splitter): Split above pattern.
1225 (Patch from Geoffrey Keating, Oct 21, 1997)
1226 * rs6000.c (rs6000_stack_info): Avoid creating a stack
1227 frame under System V ABI if we only need to save the LR.
1229 (Patch from Joel Sherrill, Sep 1, 1997)
1230 * rs6000/sysv4.h (SUBTARGET_SWITCHES): Add new macro
1231 EXTRA_SUBTARGET_SWITCHES, which defaults to nothing.
1233 (Patch from Geoffrey Keating, Oct 20, 1997)
1234 * rs6000/t-ppccomm (CRTSTUFF_T_CFLAGS{,_S}): Add -msdata=none
1237 Fri Oct 24 15:25:50 1997 Doug Evans <dje@cygnus.com>
1239 * sparc.h (ASM_SPEC): Delete.
1241 Fri Oct 24 13:16:24 1997 Jeffrey A Law (law@cygnus.com)
1243 * mn10200.c (indirect_memory_operand): Delete unused function.
1244 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
1245 * mn10200.md (bset, bclr insns): Handle output in a reg too.
1247 * mn10300.c (symbolic_operand, legitimize_address): New functions.
1248 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
1249 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
1251 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1253 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
1256 Tue Oct 21 16:18:13 1997 Paul Eggert <eggert@twinsun.com>
1258 * winnt/win-nt.h (CPP_SPEC): Remove reference to obsolete
1259 option -lang-c-c++-comments.
1261 Tue Oct 21 10:00:20 1997 Jeffrey A Law (law@cygnus.com)
1263 * mn10300.md (movqi, movhi): Avoid using address registers as
1264 destinations unless absolutely necessary.
1266 * mn10200.c (expand_prologue): Fix typo.
1268 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed addresses.
1269 * mn10200.md (neghi2): Provide an alternative which works if
1270 the input and output register are the same.
1272 * mn10300.c (print_operand): Handle 'S'.
1273 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
1274 shift amount in last alternative
1276 * mn10300.c (expand_epilogue): Rework to handle register restores
1277 in "ret" and "retf" instructions correctly.
1279 Tue Oct 21 07:35:19 1997 Richard Earnshaw (rearnsha@arm.com)
1281 * arm.md (insv): Avoid writing result into a paradoxical subreg.
1283 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1285 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
1287 Mon Oct 20 12:04:04 1997 Nick Clifton <nickc@cygnus.com>
1289 * v850.h (CPP_SPEC): Define __v850__.
1290 (CPP_PREDEFINES): Do not define __v850__.
1292 * xm-v850.h: Use __v850 rather than __v850__ to identify v850 port.
1294 Mon Oct 20 17:29:55 1997 Doug Evans <dje@cygnus.com>
1296 * sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
1297 (DEFAULT_ARCH32_P): New macro.
1298 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
1299 (enum cmodel): Declare.
1300 (sparc_cmodel_string,sparc_cmodel): Declare.
1301 (SPARC_DEFAULT_CMODEL): Provide default.
1302 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
1303 (TARGET_FULLANY): Deleted.
1304 (TARGET_CM_MEDMID): New macro.
1305 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
1306 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
1307 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
1308 (CPP_SPEC): Rewrite.
1309 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
1310 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
1311 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
1312 (ASM_SPEC): Add %(asm_arch).
1313 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
1314 Rename asm_default to asm_cpu_default.
1315 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
1316 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
1317 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
1318 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
1319 (MASK_INT64,MASK_LONG64): Delete.
1320 (MASK_ARCH64): Renamed to MASK_64BIT.
1321 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
1322 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
1323 (TARGET_SWITCHES): Always provide 64 bit options.
1324 (ARCH64_SWITCHES): Delete.
1325 (TARGET_OPTIONS): New option -mcmodel=.
1326 (INT_TYPE_SIZE): Always 32.
1327 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
1328 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
1329 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
1330 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
1331 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
1333 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
1334 * sparc/linux.h: Likewise.
1335 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
1336 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
1337 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
1338 (SPARC_DEFAULT_CMODEL): Define.
1339 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
1340 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
1341 (LONG_DOUBLE_TYPE_SIZE): Define.
1342 (ASM_SPEC): Add %(asm_arch).
1343 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
1344 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
1345 (TARGET_CPU_DEFAULT): Add ultrasparc case.
1346 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
1347 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
1348 (SPARC_DEFAULT_CMODEL): Define.
1349 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
1350 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
1351 MASK_LONG64, MASK_MEDANY.
1352 (SPARC_DEFAULT_CMODEL): Define.
1353 (CPP_PREDEFINES): Delete.
1354 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
1355 (ASM_SPEC): Add %(asm_arch).
1356 (LONG_DOUBLE_TYPE_SIZE): Define.
1357 (DWARF2_DEBUGGING_INFO): Define.
1358 * sparc/splet.h (CPP_SPEC): Delete.
1359 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
1360 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
1361 (BLOCK_PROFILER): Likewise.
1362 * sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
1363 (sparc_override_options): Handle code model selection.
1364 (sparc_init_expanders): Renamed from sparc64_init_expanders.
1365 * sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
1366 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
1367 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
1368 (sethi_di_fullany): Delete.
1370 Mon Oct 20 17:20:17 1997 Jim Wilson <wilson@cygnus.com>
1372 * mips.c (compute_frame_size): Not a leaf function if profile_flag set.
1374 Sun Oct 19 17:46:02 1997 Douglas Rupp <rupp@gnat.com>
1376 * cccp.c (OBJECT_SUFFIX): Add default definition.
1377 (main): Use OBJECT_SUFFIX.
1378 (VMS_{freopen,fopen,open}): Use instead of using macro on
1380 (VMS_fstat): Use decc$fstat explicitly, not via macro.
1382 Sun Oct 19 09:07:38 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1384 * prefix.c (get_key_value): Initialize prefix to null.
1385 * Makefile.in (prefix.o): Properly pass in prefix.
1387 * objc/Make-lang.in (objc.distdir): Make the objc directory.
1388 * Makefile.in (distdir-start): No longer depend on objc-parse.[cy].
1389 Don't copy objc files here.
1390 (TAGS): Don't delete objc-parse.y
1392 * i386/mingw32.h (LIB_SPEC): Add -ladvapi32.
1393 (STARTFILE_SPEC): If -dll, use dllcrt1.o.
1394 (INCOMING_RETURN_ADDR_RTX): Undefine.
1396 * Makefile.in (float.h-nat): Avoid using /dev/null for input,
1397 since it's not present on all systems.
1399 * prefix.c : New file.
1400 * Makefile.in (xgcc, cccp, cppmain, fix-header): Add prefix.o.
1401 (prefix.o): New rule.
1402 * cccp.c (update_path): Add extern definition.
1403 (struct default_include): New field `component'.
1404 (default_include): Add initializer for new field to all entries.
1405 (new_include_prefix): Take new arg and call update_path;
1406 all callers changed.
1407 Add trailing "." before doing stat of file.
1408 * cpplib.c (update_path): Add extern definition.
1409 (struct default_include): New field `component'.
1410 (default_include): Add initializer for new field to all entries.
1411 (cpp_start_read): Call update_path.
1412 * gcc.c (upate_path): Add extern definition.
1413 (find_a_file): For MS-DOS-based, consider a drive spec as absolute.
1414 (add_prefix): New arg component and pass to update_path;
1415 all callers changed.
1416 * netbsd.h (INCLUDE_DEFAULTS): Add `component' to values.
1417 * i386/freebsd.h, mips/netbsd.h, winnt/win-nt.h: Likewise.
1418 * i386/mingw32 (STANDARD_INCLUDE_COMPONENT): New macro.
1419 * vax/vms.h (INCLUDE_DEFAULTS): New macro.
1420 * vax/xm-vms.h (INCLUDE_DEFAULTS): Delete from here.
1422 * sparc/sol2.h (WIDEST_HARDWARE_FP_SIZE): New macro.
1424 * i386.c (ix86_prologue): Conditionalize Dwarf2 calls
1425 on #ifdef INCOMING_RETURN_ADDR_RTX.
1426 * i386.md (allocate_stack): Fix incorrect operand number.
1428 * alpha.c (vmskrunch): Deleted.
1429 (output_prolog, VMS): Use alloca for entry_label and don't
1430 truncate to 64 characters.
1431 * alpha/vms.h (vmskrunch): No longer define.
1432 (ENCODE_SECTION_INFO): No longer call vmskrunch.
1433 (ASM_DECLARE_FUNCTION_NAME): No longer override.
1435 * toplev.c (output_quoted_string): Call new OUTPUT_QUOTED_STRING macro.
1436 * i386/mingw32.h (OUTPUT_QUOTED_STRING): New macro.
1438 * stmt.c (using_eh_for_cleanups_p): New variable.
1439 (using_eh_for_cleanups): New function.
1440 (expand_decl_cleanup): Don't call expand_eh_region_start_tree
1441 unless using EH for cleanups.
1443 * function.c (purge_addressof_1): When dealing with a
1444 bare (address (mem)), verify that what's inside is valid in insn.
1445 (instantiate_virtual_regs_1, case ADDRESSOF): If have MEM, just
1446 do instantiation inside and leave alone here.
1448 * fold-const.c (fold, case COND_EXPR): Allow creation
1449 of {MIN,MAX}_EXPR, but preserve info on orginal comparison code.
1451 * function.h (restore_tree_status): Update prototype.
1453 * cse.c (cse_basic_block): Flush the hash table every 1,000 insns.
1455 Sat Oct 18 13:48:14 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1457 * longlong.h (count_leading_zeros): Add missing casts to USItype.
1459 Sat Oct 18 13:35:09 1997 Marc Lehmann (pcg@goof.com)
1461 * toplev.c (main): Don't execute "ps" under MSDOS.
1463 Sat Oct 18 13:26:42 1997 Richard Earnshaw (rearnsha@arm.com)
1465 * function.c (instantiate_virtual_regs): Don't instantiate the
1466 stack slots for the parm registers until after the insns have had
1467 their virtuals instantiated.
1469 * varargs.h (va_arg): For ARM systems, definition is endian-dependent.
1470 * stdarg.h (va_arg): Likewise.
1472 Sat Oct 18 11:23:04 1997 Nick Clifton <nickc@cygnus.com>
1474 * final.c (end_final): Use ASM_OUTPUT_ALIGNED_DECL_LOCAL if defined.
1475 * varasm.c (assemble_static_space): Likewise.
1476 (assemble_variable): Use ASM_OUTPUT_ALIGNED_DECL_{COMMON,LOCAL} if def.
1478 Sat Oct 18 11:02:19 1997 Doug Evans <dje@canuck.cygnus.com>
1480 * expr.c (use_group_regs): Don't call use_reg unless REG.
1482 Sat Oct 18 10:39:22 1997 Jim Wilson <wilson@cygnus.com>
1484 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
1485 redundant conditional moves to single operand.
1487 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
1488 extzv for memory operands.
1490 Sat Oct 18 09:58:44 1997 Jeffrey A Law <law@cygnus.com>
1494 * integrate.c (save_for_inline_copying): Avoid undefined pointer
1496 (expand_inline_function): Likewise.
1498 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
1500 * tree.c (restore_tree_status): Also free up temporary storage
1501 when we finish a toplevel function.
1502 (dump_tree_statistics): Print stats for backend obstacks.
1504 * libgcc2.c (__throw): Don't copy the return address.
1505 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
1507 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
1508 * tree.h: Declare them.
1510 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
1511 * toplev.c (main): Initialize exceptions_via_longjmp.
1513 * tree.c: Add extra_inline_obstacks.
1514 (save_tree_status): Use it.
1515 (restore_tree_status): If this is a toplevel inline obstack and we
1516 didn't want to save anything on it, recycle it.
1517 (print_inline_obstack_statistics): New fn.
1518 * function.c (pop_function_context_from): Pass context to
1519 restore_tree_status.
1521 Sat Oct 18 09:45:22 1997 Michael Meissner <meissner@cygnus.com>
1523 * profile.c (get_file_function_name): Remove declaration.
1524 * c-lang.c (finish_file): Likewise.
1526 Sat Oct 18 09:35:40 1997 Tristan Gingold <gingold@messiaen.enst.fr>
1528 * expr.c (expand_assignment): If -fcheck-memory-usage, add call to
1529 chkr_check_addr if size not zero.
1530 (expand_expr, case COMPONENT_REF): Likewise.
1531 (expand_builtin): If -fcheck_memory-usage, check memory usage
1532 of operands for strlen, strcpy, and memcpy or don't use builtins
1533 for memcmp and strcmp.
1534 * expr.h (chkr_check_str_libfunc): Declare.
1535 * optabs.c (chkr_check_str_libfunc): New variable.
1536 (init_optabs): Initialize it.
1538 Sat Oct 18 09:29:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1540 * i386/cygwin32.h (ASM_COMMENT_START): Redefine.
1542 Sat Oct 18 09:23:54 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1544 * frame.c (__frame_state_for): Execute the FDE insns until the
1545 current pc value is strictly bigger than the target pc value.
1547 * expr.c (expand_expr, case TARGET_EXPR): If target and slot has
1548 no DECL_RTL, then call mark_addressable again for the slot after
1551 Sat Oct 18 08:58:36 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
1553 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
1554 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Unconditionally define.
1555 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
1558 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment.
1559 * dwarf2out.c (output_call_frame_info): Call app_enable and
1560 app_disable to let GNU as accept the generated comments.
1562 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
1564 Sat Oct 18 08:50:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
1566 * flow.c (print_rtl_with_bb): Cast alloca return values.
1568 Sat Oct 18 08:47:46 1997 Douglas Rupp <rupp@gnat.com>
1570 * alpha/vms.h (LITERALS_SECTION_ASM_OP, ASM_OUTPUT_DEF):
1571 (EXTRA_SECTION_FUNCTIONS): Add literals_section.
1572 (EXTRA_SECTIONS): Include in_literals.
1574 Sat Oct 18 08:40:55 1997 Nick Burrett <nick.burrett@btinternet.com>
1576 * cpplib.c: (initialize_builtins): Cast all string constants for the
1577 function install, to type U_CHAR *.
1578 (eval_if_expression): Likewise.
1579 * cppexp.c: (cpp_lex): Cast string, for cpp_lookup, to type U_CHAR *.
1581 Sat Oct 18 08:38:13 1997 Ken Raeburn <raeburn@cygnus.com>
1583 * c-lex.c (check_newline) At `skipline', flush nextchar as well.
1585 Sat Oct 18 08:17:13 1997 Paul Russell <Paul.Russell@RustCorp.com.au>
1587 * input.h (struct file_stack): Added indent_level.
1588 * c-lex.c (check_newline): Add {}-count & balance warning.
1590 Sat Oct 18 06:54:39 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1592 * regclass.c (record_address_regs, case PLUS): Refine how to choose
1593 which is base and index.
1595 * alpha.h (FUNCTION_VALUE): Use word_mode only for integral types,
1596 not types with integral modes.
1598 * final.c (alter_cond): Properly conditionalize forward decl.
1600 * tree.h (SAVE_EXPR_NOPLACEHOLDER): New flag.
1601 * tree.c (contains_placeholder_p, case SAVE_EXPR): Avoid
1602 checking each SAVE_EXPR more than once.
1604 * rs6000.md (nonlocal_goto_receiver): Don't test pool size.
1606 * i386.c (load_pic_register): New function.
1607 (ix86_prologue): Code to load PIC register moved to new function.
1608 Don't emit blockage if not generating RTL.
1609 * i386.md (nolocal_goto_receiver): New pattern.
1611 * i386.c: Major cleanup, mostly reformatting.
1613 Remove many spurious casts.
1614 (ix86_{pro,epi}logue): Use proper mode for SET rtx.
1616 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
1618 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
1619 * sparc.h (FUNCTION_PROFILER): Fix format string when TARGET_MEDANY.
1620 * sparc.c (output_double_int): Output DI mode values
1621 correctly when HOST_BITS_PER_WIDE_INT is 64.
1622 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
1623 fmovd so it works if a quad float ends up in one of the upper 32
1625 * sparc.md (pic_{lo_sum,sethi}_di): New patterns for PIC support
1628 Fri Oct 17 16:27:07 1997 Doug Evans <dje@cygnus.com>
1630 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
1631 * sparc.h (PROMOTE_MODE): Promote small ints if arch64.
1632 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
1633 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
1634 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
1635 (SPARC_FP_ARG_FIRST): New macro.
1636 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
1637 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
1638 (NPARM_REGS): There are 32 fp argument registers now.
1639 (FUNCTION_ARG_REGNO_P): Likewise.
1640 (FIRST_PARM_OFFSET): Update to new v9 abi.
1641 (REG_PARM_STACK_SPACE): Define for arch64.
1642 (enum sparc_arg_class): Delete.
1643 (sparc_arg_count,sparc_n_named_args): Delete.
1644 (struct sparc_args): Redefine and use for arch32 as well as arch64.
1645 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
1646 (FUNCTION_ARG_ADVANCE): Rewrite.
1647 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
1648 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
1649 (FUNCTION_ARG_CALLEE_COPIES): Delete.
1650 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
1651 (STRICT_ARGUMENT_NAMING): Define.
1652 (doublemove_string): Declare.
1653 * sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
1654 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
1655 (doublemove_string): New function.
1656 (output_move_quad): Clean up some of the arch64 support.
1657 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
1658 Don't add 8 bytes of reserved space if arch64.
1659 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
1660 (init_cumulative_args): New function.
1661 (function_arg_slotno): New static function.
1662 (function_arg,function_arg_partial_nregs): New functions.
1663 (function_arg_{pass_by_reference,advance}): New functions.
1664 (function_arg_padding): New function.
1665 * ginclude/va-sparc.h: Rewrite v9 support.
1667 Fri Oct 17 13:21:45 EDT 1997 Philip Blundell <pb@nexus.co.uk>
1669 * arm/netbsd.h (TYPE_OPERAND_FMT): use % not @ to avoid
1670 problems with comments.
1672 Fri Oct 17 13:00:38 EDT 1997 Richard Earnshaw (rearnsha@arm.com)
1674 * arm/aout.h (ASM_OUTPUT_LABEL): Define in place of ARM_OUTPUT_LABEL.
1675 * arm/aof.h (ASM_OUTPUT_LABEL): Likewise.
1676 * arm.h (ASM_OUTPUT_LABEL): Delete.
1677 (ASM_OUTPUT_INTERNAL_LABEL): Call ASM_OUTPUT_LABEL directly.
1678 * arm.c (arm_asm_output_label): Delete.
1680 * arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Do what is needed inline.
1681 * arm.c (output_lcomm_directive): Delete.
1683 * arm.h (PUSH_ROUNDING): Delete; this is not what happens.
1684 (ACCUMULATE_OUTGOING_ARGS): Define.
1685 (PROMOTE_FUNCTION_ARGS): Define.
1686 (INITIAL_ELIMINATION_OFFSET): Take current_function_outgoing_args_size
1688 * arm.c (use_return_insn, output_func_epilogue,
1689 arm_expand_prologue): Likewise.
1691 * arm.c (const_ok_for_arm): If HOST_WIDE_INT more than 32 bits,
1692 insist high bits are all zero or all one.
1693 (output_move_double): Handle case where CONST_INT is more than 32 bits.
1695 * arm.c (load_multiple_sequence): Support SUBREG of MEM.
1696 (store_multiple_sequence): Likewise.
1698 * arm.c (arm_gen_load_multiple): New args UNCHANGING_P and IN_STRUCT_P.
1699 Use them if we create any new MEMs; all callers changed.
1700 (arm_gen_store_multiple): Likewise.
1701 (arm_gen_movstrqi): Preserve RTX_UNCHANGING_P and MEM_IN_STRUCT_P
1702 on any MEMs created.
1704 * arm.h (ASM_OUTPUT_MI_THUNK): Use branch instruction to jump to label.
1705 (RETURN_ADDR_RTX): Use NULL_RTX rather than casting zero.
1706 (output_move_double): Correct typo in prototype.
1708 * arm.md (movsfcc): If not TARGET_HARD_FLOAT, ensure operand[3] valid.
1710 * arm/netbsd.h (CPP_PREDEFINES): Always predefine __arm__.
1711 * arm/xm-netbsd.h (SYS_SIGLIST_DECLARED, HAVE_STRERROR): Define these.
1713 * arm/t-netbsd (CROSS_LIBGCC1, LIB1ASMSRC, LIB1ASMFUNCS) Don't define
1715 * configure.in (arm-*-netbsd*): Pick up t-netbsd before arm/t-netbsd.
1717 Thu Oct 16 19:31:22 1997 Jim Wilson <wilson@cygnus.com>
1719 * v850.c (ep_memory_offset): New function.
1720 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
1722 * v850.h (CONST_OK_FOR_*): Add and correct comments.
1723 (CONSTANT_ADDRESS_P): Add comment.
1724 (EXTRA_CONSTRAINT): Define 'U'.
1725 * v850.md: Add comments on bit field instructions.
1726 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
1727 (lshrsi3): Use N not J constraint.
1729 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
1731 * v850.c (reg_or_0_operand): Call register_operand.
1732 (reg_or_int5_operand): Likewise.
1733 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
1734 (TARGET_SWITCHES): Add "big-switch".
1735 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
1736 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
1737 (CASE_DROPS_THROUGH): Comment out.
1738 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
1739 * v850.md (cmpsi): Delete compare mode.
1740 (casesi): New pattern.
1742 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
1743 * v850.md (ashlsi3): Use SImode not QImode for shift count.
1744 (lshrsi3): Likewise.
1746 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
1747 unreachable switch statement after 'b' support. Remove "b" from
1748 strings for 'b' support.
1749 * v850.md (branch_normal, branch_invert): Change %b to b%b.
1751 Thu Oct 16 13:08:45 1997 Doug Evans <dje@cygnus.com>
1753 * configure.in (sparc-*-elf*): New target.
1755 Wed Oct 15 22:30:37 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1757 * h8300.h (REG_CLASS_CONTENTS): AP is a general register.
1758 (REG_OK_FOR_BASE_P, ! REG_OK_STRICT case): Reject special registers.
1760 Wed Oct 15 22:00:57 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1762 * sh.md (movhi+1): Add x/r alternative.
1764 * sh/elf.h (HANDLE_SYSV_PRAGMA): Undefine.
1766 * va-sh.h (va_arg): Fix big endian bugs for small integers.
1768 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
1770 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
1772 (umulsidi3,umulsi3_highpart): Likewise.
1773 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
1775 Wed Oct 15 18:45:31 1997 Doug Evans <dje@cygnus.com>
1777 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
1779 Wed Oct 15 17:17:33 1997 Jeffrey A Law (law@cygnus.com)
1781 * pa.c (following_call): Fail if the CALL_INSN is an indirect call.
1783 Wed Oct 1 17:52:09 1997 Douglas Rupp <rupp@gnat.com>
1785 * vms.h (UNALIGNED_{SHORT,INT,DOUBLE_INT}_ASM_OP): Define.
1787 Wed Oct 1 16:09:42 1997 Benjamin Kosnik <bkoz@melange.gnu.ai.mit.edu>
1789 * fixincludes: Fix sys/param.h so that MAXINT will not be redefined
1792 Wed Oct 1 08:08:21 1997 Jeffrey A Law <law@chunks.cygnus.com>
1794 * cse.c (this_insn_cc0_mode): Initialize.
1796 Wed Oct 1 07:22:12 1997 Richard Henderson <rth@cygnus.com>
1798 * i386.h (RETURN_ADDR_RTX): Use FRAME arg, not ap.
1800 Tue Sep 30 19:19:58 1997 Jim Wilson <wilson@cygnus.com>
1802 * except.c (find_exception_handler_labels): Correct argument to free.
1804 Fri Sep 26 14:06:45 1997 Mike Stump <mrs@wrs.com>
1806 * c-decl.c (start_struct): Ensure that structs with forward
1807 declarations are in fact packed when -fpack-struct is given.
1809 Wed Sep 24 11:31:24 1997 Mike Stump <mrs@wrs.com>
1811 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
1812 packing structure. This allows a structure with only bytes to be
1813 aligned on a byte boundary and have no padding on a m68k.
1815 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
1817 * except.c (find_exception_handler_labels): Free LABELS when done.
1819 Tue Sep 30 10:47:33 1997 Paul Eggert <eggert@twinsun.com>
1821 * cexp.y, cppexp.c (HOST_BITS_PER_WIDE_INT):
1822 Define only if not already defined.
1824 Mon Sep 29 17:55:55 1997 Gavin Koch <gavin@cygnus.com>
1826 * c-decl.c (warn_implicit): Deleted.
1827 (warn_implicit_int, mesg_implicit_function_declaration}): New vars.
1828 (c_decode_option): For -Wimplicit, set both new variables.
1829 Add -Wimplicit-function-declarations, -Wimplicit-int,
1830 and -Werror-implicit-function-declaration.
1831 (implicitly_declare, grokdeclarator): Use new flags.
1832 * toplev.c (lang_options): Add new -W options.
1834 Mon Sep 29 17:55:15 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1836 * c-common.c (check_format_info): Add check for scanf into
1837 constant object or via constant pointer type.
1839 Mon Sep 29 16:10:12 1997 Richard Henderson <rth@cygnus.com>
1841 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne.
1842 (bne): Likewise for cmpeq+beq.
1844 Mon Sep 29 15:58:22 1997 Doug Evans <dje@cygnus.com>
1846 * reload1.c (reload_cse_simplify_set): Fix return values.
1848 Mon Sep 29 08:21:35 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1850 * i386.c (notice_update_cc): Use reg_overlap_mentioned_p.
1852 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
1854 * libgcc2.c (__throw): Fix thinko.
1856 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
1858 * cplus-dem.c (demangle_template): Add new parameter. Handle new
1859 template-function mangling.
1860 (consume_count_with_underscores): New function.
1861 (demangle_signature): Handle new name-mangling scheme.
1863 Sun Sep 28 11:19:09 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1865 * flow.c (print_rtl_with_bb): Reformat messages about BB boundaries.
1867 * calls.c: Include regs.h.
1868 * profile.c: Likewise.
1869 * Makefile.in (calls.o, profile.o): Depend on regs.h.
1870 * except.h (expand_builtin_dwarf_reg_size): Put in #ifdef TREE_CODE.
1872 * tree.h (get_file_function_name): Add decl.
1873 * dwarf2out.c (output_call_frame_info): Don't cast its result.
1875 Sun Sep 28 10:58:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
1877 * Makefile.in (sub-makes): Pass value of LANGUAGES.
1879 Sun Sep 28 10:52:59 1997 Ian Dall <ian.dall@dsto.defence.gov.au>
1881 * regs.h (SMALL_REGISTER_CLASSES): Default to 0.
1882 * calls.c (prepare_call_address, expand_call):
1883 Remove #if test on SMALL_REGISTER_CLASSES.
1884 * combine.c (can_combine_p, combinable_i3pat, try_combine): Likewise.
1885 * cse.c (canon_hash): Likewise.
1886 * function.c (expand_function_start): Likewise.
1887 * jump.c (jump_optimize): Likewise.
1888 * local-alloc.c (optimize_reg_copy_1): Likewise.
1889 * loop.c (scan_loop, valid_initial_value_p): Likewise.
1890 * profile.c (output_arc_profiler): Likewise.
1891 * reload.c (push_secondary_reload, push_reload): Likewise.
1892 (combine_reloads): Likewise.
1893 * reload1.c (reload, scan_paradoxical_subregs): Likewise.
1894 (order_regs_for_reload, reload_as_needed): Likewise.
1895 (choose_reload_regs): Likewise.
1896 (merge_assigned_reloads): Declare unconditionally.
1898 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
1900 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
1901 * tree.h (built_in_function): Likewise.
1902 * expr.c (expand_builtin): Likewise.
1903 * except.h: Likewise.
1904 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
1905 * libgcc2.c (copy_reg): New fn.
1908 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1910 * frame.c (gansidecl.h): New include, for PROTO.
1911 * dwarf2out.c: Move inclusion of dwarf2.h down.
1912 (dwarf2out_cfi_label): Don't declare here.
1913 * dwarf2.h (dwarf2out_{do_frame,cfi_label,def_cfa}): New declarations.
1914 (dwarf2out_{window_save,args_size,reg_save,return_save}): Likewise.
1915 (dwarf2out_{return_reg,begin_prologue,end_epilogue}): Likewise.
1916 * m68k.c (dwarf2.h): Include.
1917 (output_function_prologue): Add dwarf2 support.
1918 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
1919 (INCOMING_FRAME_SP_OFFSET): Likewise.
1921 * integrate.c (copy_rtx_and_substitute, case ADDRESSOF): New case.
1923 * integrate.c (expand_inline_function): Make sure there is at
1924 least one insn that can be used as an insertion point.
1926 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
1928 * c-typeck.c (build_binary_op): Warn about comparing signed vs
1929 unsigned if -W is specified and -Wno-sign-compare is not.
1930 * c-decl.c (warn_sign_compare): Initialize to -1.
1931 (c_decode_option): -Wall no longer implies -Wsign-compare.
1933 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
1935 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
1937 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
1939 * sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
1940 (get_pc_via_rdpc): Renamed from get_pc_sp64.
1941 * sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
1943 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
1945 * sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
1946 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
1947 and -malign-functions=.
1948 (sparc_align_{loops,jumps,funcs}_string): Declare.
1949 (sparc_align_{loops,jumps,funcs}): Declare.
1950 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
1951 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
1952 (STACK_BIAS): Define.
1953 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT, then perform test.
1954 (SPARC_SETHI_P): New macro.
1955 (CONST_OK_FOR_LETTER_P): Use it.
1956 (ASM_OUTPUT_ALIGN_CODE): Define.
1957 (ASM_OUTPUT_LOOP_ALIGN): Define.
1958 * sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
1959 (sparc_align_{loops,jumps,funcs}): New globals.
1960 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
1962 (move_operand): Use SPARC_SETHI_P.
1963 (arith_double_operand): Cast to unsigned HOST_WIDE_INT, then test.
1964 (arith11_double_operand): Likewise.
1965 (arith10_double_operand): Likewise.
1966 (finalize_pic): Finish sparc64 support.
1967 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
1968 64 bit constants if able.
1969 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
1970 (sparc_builtin_saveregs [sparc64]): Don't save fp regs if ! TARGET_FPU.
1971 * sparc.md: Use GEN_INT instead of gen_rtx.
1972 (get_pc_sp32): Use for sparc64 as well.
1973 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
1974 (sethi_di_sp64_const): Likewise.
1975 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
1976 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
1977 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
1979 Wed Sep 24 08:25:28 1997 Alexandre Oliva <oliva@dcc.unicamp.br>
1981 * i386.md (allocate_stack): Fix typo in last change.
1983 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
1985 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
1986 * sparc/linux.h (COMMENT_BEGIN): Likewise.
1987 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
1989 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
1991 Add sparc64 linux support.
1992 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
1993 to xm_file list on 32-bit sparc-linux.
1994 * sparc/xm-sp64.h: New file.
1995 * sparc/linux64.h: New file.
1996 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
1997 Don't include xm-sparc.h.
1998 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
1999 * glimits.h (LONG_MAX): Handle sparc64.
2001 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
2003 * final.c (final_end_function): Also do dwarf2 thing if
2004 DWARF2_DEBUGGING_INFO.
2005 (final_start_function): Likewise.
2007 Tue Sep 23 06:55:40 1997 David S. Miller <davem@tanya.rutgers.edu>
2009 * expmed.c (expand_divmod): If compute_mode is not same as mode,
2010 handle case where convert_modes causes op1 to no longer be CONST_INT.
2012 Tue Sep 23 00:58:48 1997 Jim Wilson <wilson@cygnus.com>
2014 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
2016 Mon Sep 22 18:26:25 1997 J. Kean Johnston <jkj@sco.com>
2018 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
2019 (MULTILIB_DEFAULTS): Define.
2020 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
2021 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
2022 (LIBGCC_SPEC): Likewise.
2023 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
2024 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
2025 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
2026 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
2027 (EXTRA_PARTS, TAROUTOPTS): Delete.
2028 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
2029 (MULTILIB_OPTIONS): Define.
2030 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
2031 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
2033 Mon Sep 22 14:42:11 1997 Jeffrey A Law (law@cygnus.com)
2035 * reg-stack.c (find_blocks): Fix thinko in last change.
2037 Mon Sep 22 16:22:41 1997 David S. Miller <davem@tanya.rutgers.edu>
2039 * combine.c (try_combine): Use NULL_RTX, not 0, in gen_rtx calls.
2040 * cse.c (cse_main): Likewise.
2041 * emit-rtl.c (gen_label_rtx): Likewise.
2042 * expr.c (init_expr_once): Likewise.
2043 * sched.c (schedule_insns): Likewise.
2044 * varasm.c (immed_double_const): Likewise.
2046 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define as SPARC_STACK_BIAS.
2048 Mon Sep 22 16:13:21 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2050 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Define.
2052 Mon Sep 22 16:02:01 1997 Benjamin Kosnik <bkoz@rhino.cygnus.com>
2054 * c-common.c (decl_attributes): Add support for TYPE_UNUSED on types.
2055 * c-decl.c (finish_decl): Set TREE_USED on decls if TREE_USED on type.
2056 * stmt.c (expand_end_bindings): Check DECL_NAME and DECL_ARTIFICIAL
2057 before unused variable warning.
2059 Mon Sep 22 14:04:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2061 * rtlanal.c (computed_jump_p): Fix typo in last change.
2063 * clipper.md (movstrsi): Use change_address instead of making new MEM.
2064 * dsp16xx.md (movstrqi): Likewise.
2065 * i370.md (movstrsi): Likewise.
2066 * i860.md (movstrsi): Likewise.
2067 * pa.md (movstrsi): Likewise.
2068 * mips.md (movstrsi): Fix (unused) pattern in define_expand.
2069 * pdp11.md (movstrhi): Likewise.
2071 * alpha.md (allocate_stack): Use virtual_stack_dynamic for result.
2072 * i386.md (allocate_stack): Likewise.
2073 * rs6000.md (allocate_stack): Likewise.
2075 * alpha.h (FLOAT_STORE_FLAG_VALUE): Different for VAX and IEEE float.
2077 * function.c (assign_parms): Make max_parm_reg handling more
2078 precise and make it agree with size of parm_reg_stack_loc.
2079 * integrate.c (save_for_inline_{nocopy,copying}): Remove
2080 redundant assignment of max_parm_reg.
2082 * function.c (assign_parms): Properly set RTX_UNCHANGING_P for
2085 * integrate.c (copy_rtx_and_substitute, case SET): Handle
2086 a SET_DEST of the virtual fp or ap specially and undo
2087 the adjustment into the local area as well.
2088 (mark_stores): Don't wipe out map entries for virtual fp and ap.
2090 * alpha.h (FLOAT_STORE_FLAG_VALUE): Different for VAX and IEEE float.
2092 * emit-rtl.c (gen_lowpart): Handle ADDRESSOF.
2094 Mon Sep 22 13:35:56 1997 Doug Evans <dje@cygnus.com>
2096 * rtlanal.c (replace_regs): Fix up lossage in last patch.
2098 Sun Sep 21 19:28:48 1997 Jeffrey A Law (law@cygnus.com)
2100 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
2101 (find_basic_blocks): Use computed_jump_p to determine if a
2102 particular JUMP_INSN is a computed jump.
2103 * reg-stack.c (find_blocks): Use computed_jump_p to determine
2104 if a particular JUMP_INSN is a computed jump.
2105 * rtlanal.c (jmp_uses_reg_or_mem): New function.
2106 (computed_jump_p): Likewise.
2107 * rtl.h (computed_jump_p): Declare.
2108 * genattrtab.c (pc_rtx): Define and initialize.
2110 * cse.c (simplify_relational_operation): Set h0u just like h0s.
2111 Similarly for h1u and h1s.
2113 Sun Sep 21 14:13:31 1997 Doug Evans <dje@cygnus.com>
2115 * function.c (instantiate_virtual_regs): Fix thinko in last patch.
2117 Sun Sep 21 10:33:26 1997 Paul Eggert <eggert@twinsun.com>
2119 * cccp.c, cpplib.c (special_symbol): If STDC_0_IN_SYSTEM_HEADERS
2120 is defined, expand __STDC__ to 0 in system headers.
2121 * i386/sol2.h, rs6000/sol2.h, sparc/sol2.h:
2122 (STDC_0_IN_SYSTEM_HEADERS): New macro.
2123 (CPP_SPEC): Remove -D__STDC__=0; it's no longer needed.
2125 * fixinc.math (_MATH_H_WRAPPER): Define at the end of the
2126 wrapper, not the start, so that if #include_next gets another
2127 instance of the wrapper, this will follow the #include_next
2128 chain until we arrive at the real <math.h>.
2130 * fixproto (subdirs_made): New var, to keep track of which
2131 subdirectories we've made (in reverse order). At the end,
2132 attempt to rmdir them all, so that we don't create any empty
2135 Sun Sep 21 10:02:07 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2137 * pa.c (move_operand): Respect -mdisable-indexing.
2138 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
2140 Sun Sep 21 09:29:23 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2142 * function.c (purge_addressof_1): Don't convert (MEM (ADDRESSOF (REG)))
2143 to (SUBREG (REG)) on big endian machines.
2144 Don't fall through to substitute the inner (REG) unchanged
2145 when the above conversion cannot be validated.
2147 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
2149 * frame.c (__deregister_frame): Properly check for initialized object.
2151 * function.c (instantiate_virtual_regs): Instantiate
2152 parm_reg_stack_locs.
2154 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
2156 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
2157 * sparc.h (ASM_COMMENT_START): Define.
2158 * sparc.c (output_function_prologue): Use it.
2159 (sparc_flat_output_function_{epi,pro}logue): Likewise.
2161 Fri Sep 19 19:43:09 1997 Jeffrey A Law (law@cygnus.com)
2163 * loop.c (strength_reduce): Fix typo.
2165 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
2166 * mips.h, xm-rs6000.h, rs6000/xm-sysv4.h: Likewise.
2168 Fri Sep 19 20:10:30 1997 Doug Evans <dje@cygnus.com>
2170 * rtl.h (find_use_as_address): Delete accidentally added decl.
2172 Fri Sep 19 08:36:16 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2174 * jump.c (thread_jumps): Check can_reverse_comparison_p before
2175 threading a reversed-condition jump.
2177 Fri Sep 19 08:16:12 1997 Andrew M. Bishop <amb@gedanken.demon.co.uk>.
2179 * Add support for new -dI option for cxref,
2180 * cccp.c (dump_includes): New variable.
2181 (struct directive, directive_table): Remove members angle_brackets,
2182 traditional_comments, pass_thru; all code using struct directive
2183 now uses `type' member instead.
2184 (IS_INCLUDE_DIRECTIVE_TYPE): New macro.
2185 (main, handle_directive): Add support for new -dI option.
2186 (do_ident): Avoid unnecessary alloca.
2187 (do_pragma): Avoid unnecessary comparison to newline.
2189 * cpplib.h (struct cpp_options): New member dump_includes.
2190 * cpplib.c (struct directive, directive_table): Remove members
2191 traditional_comments, pass_thru; all code using struct directive
2192 now uses `type' member instead.
2193 (IS_INCLUDE_DIRECTIVE_TYPE): New macro.
2194 (handle_directive, cpp_handle_options): Add support for new -dI option.
2196 Fri Sep 19 07:57:19 1997 Pat Rankin <rankin@eql.caltech.edu>
2198 * vax/xm-vms.h (expand_builtin_{extract,set}_return_addr): New macros.
2200 Fri Sep 19 07:47:29 1997 Nick Burrett <n.a.burrett@btinternet.com>
2202 * cpplib.c (pcstring_used, pcfinclude): Delete unused declarations.
2203 (check_preconditions, print_containing_files, pipe_closed): Likewise.
2204 (dump_defn_1, dump_arg_n, make_undef): Likewise.
2205 (trigraph_pcp): Pre-process out decl.
2206 (quote_string): Cast CPP_PWRITTEN macro to char * for sprintf.
2207 (output_line_command): Likewise.
2208 (macro_expand): Likewise.
2209 (do_line): Cast atoi argument to char *.
2210 * genattrtab.c (simplify_by_alternatives): Pre-process out decl.
2211 * genpeep.c (gen_exp): Remove decl.
2213 Fri Sep 19 07:29:40 1997 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2215 * enquire.c (basic): Elminate dangling else warning.
2216 * except.h (struct function, save_eh_status, restore_eh_status):
2218 * expr.c (clear_storage): Don't return without a value.
2219 * function.h ({save,restore}_machine_status): Add proper prototype.
2220 ({save,restore}_{tree,eh,stmt,expr,emit,storage}_status): Declare.
2221 * real.h (real_value_truncate): Add proper prototype.
2222 (target_isnan, target_isinf, target_negative, debug_real): Declare.
2223 (assemble_real): Likewise.
2224 * recog.c (strict_memory_address_p, memory_address_p): Don't declare.
2225 (find_single_use_1): Add prototype.
2226 * recog.h (init_recog, init_recog_no_volatile): Declare.
2227 (check_asm_operands, constrain_operands, memory_address_p): Likewise.
2228 (strict_memory_address_p, validate_replace_rtx): Likewise.
2229 (reg_fits_class_p, find_single_use, general_operand): Likewise.
2230 (address_operand, register_operand, scratch_operand): Likewise.
2231 (immediate_operand, const_int_operand, const_double_operand): Likewise.
2232 (nonimmediate_operand, nonmemory_operand, push_operand): Likewise.
2233 (memory_operand, indirect_operand, mode_independent_operand): Likewise.
2234 (comparison_operator, offsettable_{,nonstrict_}memref_p): Likewise.
2235 (offsettable_address_p, mode_dependent_address_p, recog): Likewise.
2236 (add_clobbers): Likewise.
2237 * reload.h (strict_memory_address_p): Don't declare here.
2238 * rtl.h (struct rtvec_def): Make num_elem an integer.
2239 (PUT_NUM_ELEM): Delete cast to unsigned.
2240 (rtx_unstable_p, rtx_varies_p, reg_mentioned_p): Declare.
2241 (reg_{referenced,used_between,referenced_between}_p: Likewise.
2242 ({reg_set,modified,no_labels}_between_p, modified_in_p): Likewise.
2243 (reg_set_p, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
2244 (note_stores, rtx_equal_p, dead_or_set{,_regno}_p): Likewise.
2245 (remove_note, side_effects_p, volatile_{refs,insn}_p): Likewise.
2246 (may_trap_p, inequality_comparison_p): Likewise.
2247 * rtlanal.c (note_stores, reg_set_p): Don't declare.
2248 (rtx_addr_can_trap_p): Add prototype, make static.
2249 (reg_set_p_1): Add declaration for parameter pat.
2250 * emit-rtl.c: Include recog.h.
2251 * integrate.c: Likewise.
2253 * unroll.c: Likewise.
2254 * Makefile.in (emit-rtl.o, integrate.o, jump.o, unroll.o): Depend
2257 Fri Sep 19 06:52:22 1997 Paul Eggert <eggert@twinsun.com>
2259 * enquire.c (SYS_FLOAT_H_WRAP): New macro.
2260 Include "float.h" if SYS_FLOAT_H_WRAP is nonzero.
2261 (f_define): New argument `req'.
2262 (main): Output `#include_next <float.h>' if wrapping float.h.
2263 (i_define, f_define): Don't output anything if wrapping float.h
2264 and if the system defn is already correct. Put other value tests
2265 inside `#ifdef VERIFY'.
2266 (UNDEFINED): New macro.
2267 (I_MAX, I_MIN, U_MAX, F_RADIX, F_MANT_DIG, F_DIG, F_ROUNDS):
2268 Define even if VERIFY isn't defined, because SYS_FLOAT_H_WRAP may need
2269 these values. Give them the value UNDEFINED if not already defined.
2270 (F_EPSILON, F_MIN_EXP, F_MIN, F_MIN_10_EXP, F_MAX_EXP): Likewise.
2271 (F_MAX, F_MAX_10_EXP): Likewise.
2272 (FPROP): Prefer system float.h definition of F_ROUNDS.
2273 Pass system values to f_define.
2274 * Makefile.in (FLOAT_H_TEST): New var.
2275 (float.h-nat): Make it empty if we can use the system float.h without
2277 (enquire.o): Define SYS_FLOAT_H_WRAP=1 if we can build a wrapper
2278 around the system <float.h>. Remove include/float.h before compiling.
2279 (stmp-headers): Remove include/float.h if we would just be installing
2280 an empty file (which is a placeholder that stands for no file).
2282 * fix-header.c: Don't munge headers for POSIX and XOPEN,
2283 as this is too error-prone.
2284 (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): New macros, normally undefed.
2285 (POSIX1_SYMBOL, POSIX2_SYMBOL): Now 0 unless ADD_MISSING_POSIX.
2286 (XOPEN_SYMBOL, XOPEN_EXTENDED_SYMBOL): Now 0 unless ADD_MISSING_XOPEN.
2287 (main): Ignore symbols whose flags are 0.
2289 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
2291 * v850.c (compute_register_save_size): Correct register number.
2292 * v850.md (save_interrupt, return_interrupt): Likewise.
2293 * v850/lib1funcs.asm (save_interrupt): Likewise.
2294 (return_interrupt): Use stack pointer, not element pointer.
2296 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
2298 * final.c (final_scan_insn): Hand BARRIERs to dwarf2 code.
2299 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
2300 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
2302 * except.c (end_eh_unwinder): Subtract 1 from return address.
2303 * libgcc2.c (__throw): Likewise.
2304 (find_exception_handler): Don't change PC here. Compare end with >.
2306 Thu Sep 18 14:01:20 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
2308 * configure.in: Make sure to create the stage* and include
2309 symbolic links in each subdirectory.
2311 Thu Sep 18 13:20:37 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2313 * sh/lib1funcs.asm (LOCAL): Define.
2314 (whole file): Use it.
2316 Thu Sep 18 09:52:24 1997 Benjamin Kosnik <bkoz@beauty.cygnus.com>
2318 * collect2.c (collect_execute): Specify name of new file when
2319 redirecting stdout/stderr.
2321 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
2323 * pa.md (reload_peepholes): Don't allow addresses with side
2324 effects for the memory operand.
2326 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
2328 * libgcc2.c (find_exception_handler): Subtract one from our PC when
2329 looking for a handler, to avoid hitting the beginning of the next
2332 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
2334 Wed Sep 17 18:23:09 1997 Jeffrey A Law (law@cygnus.com)
2336 * mips/abi64.h (LONG_MAX_SPEC): Define.
2337 * mips.h (LONG_MAX_SPEC): Define.
2338 (CPP_SPEC): Include long_max_spec.
2339 (EXTRA_SPECS): Include long_max_spec.
2341 Wed Sep 17 14:17:26 1997 Paul Eggert <eggert@twinsun.com>
2343 * configure.in (AC_CHECK_HEADERS): Add inttypes.h, limits.h.
2344 ({sparc,i[3456]86,powerpcle}-*-solaris2*): Use fixinc.math.
2346 * fixinc.math (PWDCMD, ORIGDIR, LINKS): Remove.
2347 Remove duplicate test for missing $1.
2349 Build wrapper around system <math.h> instead of copying it;
2350 this is better if the system <math.h> is updated later by a software
2353 * cccp.c (HAVE_STDLIB_H, HAVE_UNISTD_H):
2354 Do not define any more; now autoconfed.
2355 <limits.h>: Include if HAVE_LIMITS_H.
2356 (HOST_BITS_PER_WIDE_INT): Remove.
2357 (HOST_WIDE_INT): Use intmax_t or long long if available.
2358 (pcfinclude): Use size_t, not HOST_WIDE_INT, for cast from pointer;
2359 this is less likely to annoy the compiler.
2361 * cexp.y (HAVE_STDLIB_H): Do not define any more; now autoconfed.
2362 <limits.h>: Include if HAVE_LIMITS_H.
2363 (HOST_WIDE_INT): Use intmax_t or long long if available.
2364 (unsigned_HOST_WIDE_INT, CHAR_BIT): New macros.
2365 (HOST_BITS_PER_WIDE_INT): Define in terms of CHAR_BIT and sizeof.
2366 (MAX_CHAR_TYPE_MASK, MAX_CHAR_TYPE_MASK): Rewrite so that we don't use
2367 HOST_BITS_PER_WIDE_INT in a preprocessor expression, since it now
2370 * cppexp.c: <limits.h>: Include if HAVE_LIMITS_H.
2371 (HOST_WIDE_INT): Use intmax_t or long long if available.
2372 (CHAR_BIT): New macro.
2373 (HOST_BITS_PER_WIDE_INT): Define in terms of CHAR_BIT and sizeof.
2374 * cpplib.c: <limits.h>: Include if HAVE_LIMITS_H.
2375 (HOST_WIDE_INT): Use intmax_t or long long if available.
2376 (HOST_BITS_PER_WIDE_INT): Remove.
2378 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
2380 * v850.c (construct_save_jarl): Fix thinko in last change.
2382 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
2384 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
2385 use sparc.h's copies.
2386 * sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print ascii form
2389 Wed Sep 17 14:08:20 1997 Nick Burrett <nick.burrett@btinternet.com>
2391 * explow.c (allocate_dynamic_stack_space): Make allocate_stack
2392 pass 'target' as an extra operand.
2393 * expr.c (expand_builtin_apply): Use allocate_dynamic_stack_space
2394 to push a block of memory onto the stack.
2395 * alpha.md (allocate_stack): Alter in accordance with new operand.
2396 * i386.md (allocate_stack): Likewise.
2397 * rs6000.md (allocate_stack): Likewise.
2399 Wed Sep 17 13:34:43 1997 Robert Lipe <robertl@dgii.com>
2401 * i386/xm-sco5.h (sys_siglist, SYS_SYGLIST_DECLARED): Define.
2403 Wed Sep 17 13:27:05 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2405 * Makefile.in (native): Correct dependency to auto-config.h from
2408 Tue Sep 16 10:02:02 1997 Jason Merrill <jason@yorick.cygnus.com>
2410 * libgcc2.c (find_exception_handler): Not found is -1.
2412 * integrate.c (expand_inline_function): Move expand_start_bindings
2413 after expanding the arguments.
2415 * i386.c (ix86_prologue): Pass SYMBOL_REF to
2416 gen_prologue_{get_pc,set_got}.
2417 * i386.md (prologue_set_got, prologue_get_pc): Adjust.
2419 Tue Sep 16 07:33:15 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2421 * fold-const.c (make_range): Correctly handle cases of converting
2422 from unsigned to signed type.
2424 * function.c (flush_addressof): New function.
2426 * combine.c (num_sign_bit_copies): If asking about wider mode,
2427 treat like paradoxical subreg.
2429 Tue Sep 16 00:26:52 1997 Jeffrey A Law (law@cygnus.com)
2431 * cse.c (simplify_relational_operation): If MODE specifies mode wider
2432 than HOST_WIDE_INT, high word of CONST_INT is derived from sign bit
2435 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
2437 * v850.c ({register,pattern}_is_ok_for_epilogue): New functions.
2438 (construct_{save,restore}_jr, pattern_is_ok_for_prologue): Likewise.
2439 * v850.h (pattern_is_ok_for_{pro,epi}logue): New predicates.
2440 (register_is_ok_for_epilogue): Likewise.
2441 * v850.md: Replace prologue and epilogue patterns with a
2442 match_parallel pattern.
2443 * v850.c (output_move_single_unsigned): Cope with zero
2444 extending and moving between registers at the same time.
2446 Mon Sep 15 22:02:46 1997 Jeffrey A Law (law@cygnus.com)
2448 * fixinc.math: New file to fix math.h on some systems.
2449 * configure.in (*-*-freebsd*, *-*-netbsd*): Use fixinc.math on these
2452 Mon Sep 15 18:58:36 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2454 * sched.c (update_flow_info) When looking if to set found_split_dest
2455 or found_orig_dest, look at all parts of a PARALLEL.
2457 * sh.md (casesi_0): Reduce functionality, exclude insns from
2458 mova onwards. Changed expander caller.
2459 (casesi_worker_0): New insn.
2460 (casesi_worker_0+[12]): New define_splits.
2461 (casesi_worker): Need no gen_* function.
2462 (casesi): Use casesi_worker_0 instead of casesi_worker.
2463 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
2465 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
2467 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
2468 * dwarf2.h: Add DW_CFA_GNU_args_size.
2469 * frame.c (execute_cfa_insn): Likewise.
2470 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
2471 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
2472 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
2473 insn, hand it off to dwarf2out_stack_adjust.
2474 (dwarf2out_begin_prologue): Initialize args_size.
2475 * frame.h (struct frame_state): Add args_size.
2476 * libgcc2.c (__throw): Use args_size.
2477 * final.c (final_scan_insn): If we push args, hand off all insns
2478 to dwarf2out_frame_debug.
2479 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
2481 * dwarf2out.c (dwarf2out_frame_debug): Fix typo.
2482 Handle epilogue restore of SP from FP.
2483 * emit-rtl.c (gen_sequence): Still generate a sequence if the
2484 lone insn has RTX_FRAME_RELATED_P set.
2486 * frame.c (extract_cie_info): Handle "e" augmentation.
2487 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
2488 absence of UNALIGNED_*_ASM_OP.
2489 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
2490 (output_call_frame_info): Use "e" instead of "z" for augmentation.
2491 Don't emit augmentation fields length.
2492 (dwarf2out_do_frame): Move outside of #ifdefs.
2493 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
2496 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
2497 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
2498 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
2499 * sparc/sun4gas.h: New file.
2500 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
2502 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
2503 __register_frame_table and __deregister_frame.
2505 Mon Sep 15 19:04:34 1997 Brendan Kehoe <brendan@cygnus.com>
2507 * except.c (find_exception_handler_labels): Use xmalloc instead of
2508 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
2511 Sat Sep 13 23:13:51 1997 Paul Eggert <eggert@twinsun.com>
2513 * cpplib.h (PARAMS): Fix misspelling of __STDC__.
2514 (cpp_get_token): Arg is cpp_reader *, not struct parse_marker *.
2516 * cpplib.c (cpp_fatal, cpp_file_line_for_message): New decls.
2517 (ppp_hash_cleanup, cpp_message, cpp_print_containing_files): Likewise.
2518 (copy_rest_of_line): Fix typo that prevented recognition of
2520 (output_line_command, special_symbol): Use %ld for long, not %d.
2522 * cppexp.c (xrealloc): Declare first arg as void *, not char *.
2523 (cpp_lex): Cast 2nd arg of cpp_parse_escape from const char ** to
2526 Fri Sep 12 16:54:04 1997 Doug Evans <dje@cygnus.com>
2528 * bitmap.h (bitmap_print): Don't use STDIO_PROTO.
2530 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
2532 * except.h: Prototype dwarf2 hooks.
2535 Thu Sep 11 18:36:51 1997 Jim Wilson <wilson@cygnus.com>
2537 * local-alloc.c (contains_replace_regs): New function.
2538 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
2539 verify that there is no existing REG_EQUIV note, and add a call to
2540 contains_place_regs.
2542 * m68k.h (MACHINE_STATE_{SAVE,RESTORE}): Add __HPUX_ASM__ versions.
2544 Wed Sep 10 21:49:38 1997 Michael Meissner <meissner@cygnus.com>
2546 * toplev.c (rest_of_compilation): For passes starting with
2547 flow_analysis, use print_rtl_with_bb instead of print_rtl.
2548 * print-rtl.c (print_rtl_single): Print a single rtl value to a
2550 * flow.c (print_rtl_with_bb): Print which insns start and end
2551 basic blocks. For the start of a basic block, also print the live
2553 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
2554 two bitmaps ANDed together.
2555 (bitmap_print): Declare.
2556 * bitmap.c (function_obstack): Don't declare any more.
2557 (bitmap_obstack): Obstack for allocating links from.
2558 (bitmap_obstack_init): New static to say whether to initialize
2560 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
2561 (bitmap_release_memory): Free all memory allocated from
2563 (toplevel): Conditionally include stdlib.h.
2564 (free): Provide a declaration if NEED_DECLARATION_FREE.
2566 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
2567 EXECUTE_IF_AND_IN_BITMAP.
2569 Wed Sep 10 17:53:33 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2571 * sh.c (addr_diff_vec_adjust): Properly propagate considered
2572 address changes through alignments.
2574 Wed Sep 10 13:10:52 1997 Per Bothner <bothner@cygnus.com>
2576 * stor-layout.c (layout_type): Simplify special BOOLEAN_TYPE handling.
2578 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
2580 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
2581 if DWARF2_UNWIND_INFO.
2583 Wed Sep 10 15:43:10 1997 Jason Merrill <jason@yorick.cygnus.com>
2585 * cplus-dem.c (demangle_fund_type): Change "complex" to "__complex".
2587 Wed Sep 10 11:13:53 1997 Paul Eggert <eggert@twinsun.com>
2589 Handle `extern int errno;' correctly when fixing <errno.h>.
2590 * fix-header.c (recognized_extern): Use name_length when comparing.
2591 * scan-decls.c (scan_decls): Don't ignore the first CPP_NAME in a
2592 declaration, so that we see the `extern' in `extern int errno;'.
2594 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
2596 Add support for exception handling using DWARF 2 frame unwind info.
2597 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
2598 next_stack_level, in_reg_window): Helper fns.
2599 (__throw): Implement for DWARF2_UNWIND_INFO.
2601 * expr.c (expand_builtin): Handle builtins used by __throw.
2602 * tree.h (enum built_in_function): Add builtins used by __throw.
2603 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
2604 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
2605 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
2606 (expand_builtin_extract_return_addr): Likewise.
2607 (expand_builtin_frob_return_addr): Likewise.
2608 (expand_builtin_set_return_addr_reg): Likewise.
2609 (expand_builtin_eh_stub): Likewise.
2610 (expand_builtin_set_eh_regs): Likewise.
2611 (eh_regs): Choose two call-clobbered registers for passing back values.
2613 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
2614 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
2615 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
2616 (stmp-multilib): Likewise.
2617 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
2619 * except.c: #include "defaults.h".
2620 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
2621 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
2622 (register_exception_table_p): New fn.
2623 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
2624 (end_eh_unwinder): Likewise.
2626 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
2627 call __register_frame and __deregister_frame as needed.
2628 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
2629 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
2630 EH_FRAME_SECTION_ASM_OP.
2631 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
2632 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
2633 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
2635 * dwarf2out.c (output_call_frame_info): If no support for
2636 EXCEPTION_SECTION, mark the start of the frame info with a
2638 * collect2.c (frame_tables): New list.
2639 (is_ctor_dtor): Recognise frame entries.
2640 (scan_prog_file): Likewise.
2641 (main): Pass -fno-exceptions to sub-compile. Also do collection
2642 if there are any frame entries.
2643 (write_c_file_stat): Call __register_frame_table and
2644 __deregister_frame as needed.
2645 (write_c_file_glob): Likewise.
2647 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
2648 Also require unaligned reloc support.
2649 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
2650 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
2651 * sparc/sysv4.h: Not here.
2653 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
2654 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
2655 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
2657 * libgcc2.c (L_eh): Reorganize, moving code shared by different
2658 EH implementations to the top.
2659 (find_exception_handler): Split out. Start from 0. Compare against
2661 (__find_first_exception_table_match): Use it.
2662 * except.c (output_exception_table): Don't do anything if there's
2663 no table. Don't output a first entry of zeroes.
2664 (eh_outer_context): Adjust properly.
2665 (add_eh_table_entry): Use xrealloc.
2666 * toplev.c (compile_file): Just call output_exception_table.
2668 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
2670 * varasm.c (save_varasm_status): Take the target function context.
2671 * function.c (push_function_context_to): Pass it in.
2673 * rtl.def (ADDRESSOF): Add new field for original regno.
2674 * function.c (put_reg_into_stack and callers): Add original_regno
2676 (gen_mem_addressof): Remember the original regno.
2677 * rtl.def (INLINE_HEADER): Add new field for parm_reg_stack_loc.
2678 * rtl.h (PARMREG_STACK_LOC): New macro.
2679 (ADDRESSOF_REGNO): New macro.
2680 * emit-rtl.c (gen_inline_header_rtx): Add parm_reg_stack_loc.
2681 * function.c (max_parm_reg, parm_reg_stack_loc): No longer static.
2682 (assign_parms): Allocate parm_reg_stack_loc on saveable obstack.
2683 * integrate.c (output_inline_function): Set max_parm_reg and
2684 parm_reg_stack_loc from inline header.
2685 (initialize_for_inline): Pass in parm_reg_stack_loc.
2687 Wed Sep 10 11:30:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
2689 * i386.c (override_options): Don't set TARGET_SCHEDULE_PROLOGUE
2690 (ix86_expand_prologue, ix86_expand_epilogue): Emit rtl by default.
2692 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
2694 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
2696 Wed Sep 10 08:48:44 1997 Jeffrey A Law (law@cygnus.com)
2698 * xm-m88k.h (USG): Only define if it hasn't already been defined.
2700 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
2702 * expr.c (do_jump_by_parts_equality_rtx): Don't clobber the
2703 source operand when performing an IOR of the parts.
2705 * expr.c (emit_block_move): Always return a value.
2707 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
2708 when clearing non-BLKmode data.
2710 * final.c (shorten_branches): Remove last change for ADDR_VEC
2711 alignment computation. During first pass, assume worst
2712 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
2714 Wed Sep 10 09:33:19 1997 Kamil Iskra <iskra@student.uci.agh.edu.pl>
2716 * explow.c (emit_stack_save, emit_stack_restore): Correctly
2717 handle HAVE_{save,restore}_stack_* evaluating to 0.
2719 Wed Sep 10 09:27:45 1997 Weiwen Liu <liu@hepvms.physics.yale.edu>
2721 * Makefile.in (sdbout.o): Add dependency on insn-config.h.
2723 Wed Sep 10 09:24:56 1997 Nick Burrett <n.a.burrett@btinternet.com>
2725 * sched.c (birthing_insn_p): Rename prototype decl from birthing_insn.
2726 * final.c (leaf_renumber_regs, alter_cond): Declare prototype only
2727 if LEAF_REGISTERS is defined.
2728 * reload1.c (merge_assigned_reloads): Declare prototype only if
2729 SMALL_REGISTER_CLASSES is defined.
2730 * loop.c (replace_call_address): Pre-process out prototype decl.
2731 * real.c (dectoe, etodec, todec): Declare proto if DEC is defined
2732 (ibmtoe, etoibm, toibm): Declare proto if IBM is defined
2734 Wed Sep 10 09:13:51 1997 Manfred Hollstein <manfred@s-direktnet.de>
2736 * configure.in (out_file): Emit definition to config.status.
2738 Wed Sep 10 08:37:56 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2740 * final.c (shorten_branches): Fix alignment calculation.
2741 Don't count the lengths of deleted instructions.
2743 Wed Sep 10 08:34:11 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2745 * cpplib.c (cpp_start_read): Make known_suffixes static.
2747 Wed Sep 10 08:27:05 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2749 * m68k.c (print_operand_address) [MOTOROLA]: When compiling
2750 with -fpic (not -fPIC) force the GOT offset to 16 bits.
2752 Wed Sep 10 08:22:51 1997 Christian Iseli <chris@lslsun.epfl.ch>
2754 * expr.c (convert_move): Add missing use of trunctqtf2.
2756 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
2758 * except.c (eh_outer_context): Do masking using expand_and.
2760 Wed Sep 10 07:52:21 1997 Joel Sherrill <joel@OARcorp.com>
2762 * pa/rtems.h (subtarget_switches): Removed -mrtems subtarget_switch.
2763 * configure.in (sh*-*-rtems*): New target.
2764 * sh.h (TARGET_SWITCHES: Call SUBTARGET_SWITCHES.
2765 (SUBTARGET_SWITCHES): Provide default definition.
2767 Wed Sep 10 06:33:47 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2769 * i386/mingw32.h ({LIB,LINK}_SPEC): Check for -mwindows, not -windows.
2771 * alpha/vms.h (ASM_OUTPUT_SECTION): Clear NAME if overlaid.
2773 * c-parse.in (unary_expr): Test DECL_C_BIT_FIELD, not DECL_BIT_FIELD.
2774 * c-typeck.c (default_conversion): Likewise.
2776 * tree.c (contains_placeholder_p, substitute_in_expr):
2777 Handle placeholders inside args of CALL_EXPR (and hence in TREE_LIST).
2779 * expr.c (expand_expr, case PLACEHOLDER_EXPR): Check all
2780 expressions in placeholder_list.
2782 Tue Sep 9 18:10:30 1997 Doug Evans <dje@cygnus.com>
2784 Add port done awhile ago for the ARC cpu.
2785 * arc.h, arc.c, arc.md, t-arc, xm-arc.h: New files.
2786 * arc/initfini.c, arc/lib1funcs.asm: New files.
2787 * ginclude/va-arc.h: New file.
2788 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
2789 * ginclude/varargs.h: Likewise.
2790 * Makefile.in (USER_H): Add va-arc.h.
2791 * configure.in (arc-*-elf*): Recognize.
2792 * longlong.h: Add ARC support.
2794 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
2796 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
2799 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
2801 * v850.h (ASM_SPEC): Pass on target processor.
2802 (CPP_PREDEFINES): Only define if not already specified.
2803 (TARGET_VERSION): Only define if not already specified.
2804 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
2806 (EXTRA_SWITCHES): Extra entries in the switches array.
2807 (TARGET_DEFAULT): Set default target processor.
2809 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2811 * configure.in (alpha*-*-*): Support pca56 and ev6.
2813 * varasm.c (named_section): Set in section after writing directive.
2814 * dwarf2out.c (output_call_frame_info): Call named_section.
2816 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
2818 * mips.c (function_prologue): Set up the CFA when ABI_32.
2820 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
2821 for dwarf2 unwind info.
2822 (output_function_prologue, sparc_flat_output_function_prologue): Same.
2824 * final.c (final_end_function): Check dwarf2out_do_frame instead
2825 of DWARF2_DEBUG for dwarf2 unwind info.
2826 (final_scan_insn): Likewise.
2827 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
2830 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
2833 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
2835 Mon Sep 8 14:58:07 1997 Jim Wilson <wilson@cygnus.com>
2837 * toplev.c (main): Change #elif to #else/#ifdef
2839 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
2841 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2843 * alpha.h (processor_type): Add EV6.
2844 ({TARGET,MASK}_BWX): Renamed from _BYTE_OPS.
2845 ({TARGET,MASK}_{CIX,MAX}): New macros.
2846 (MASK_CPU_EV5): Change bit number.
2847 (MASK_CPU_EV6, {TARGET,MASK}_SUPPORT_ARCH): New macros.
2848 (TARGET_OPTIONS): Rename "byte" to "bwx" and add "cix" and "max".
2849 (MINIMUM_ATOMIC_ALIGNMENT): Rename TARGET_BYTE_OPS to TARGET_BWX.
2850 (SECONDARY_{INPUT,OUTPUT}_RELOAD_CLASS, ASM_FILE_START): Likewise.
2851 (SECONDARY_MEMORY_NEEDED): Not needed if CIX.
2852 (ASM_FILE_START): Only write if TARGET_SUPPORT_ARCH.
2853 Add "pca56" and "ev6".
2854 * alpha.c (input_operand): Rename TARGET_BYTE_OPS to TARGET_BWX.
2855 (override_options): Likewise; also add new CPU types and subset flags.
2856 * alpha.md: Rename TARGET_BYTE_OPS to TARGET_BWX.
2857 (cpu attr): Add "ev6".
2858 (ev5 function units): Use for ev6 as well, for now.
2859 (ffsdi2): New define_expand and define_insn, for TARGET_CIX.
2860 (sqrt[sd]f2): New patterns, for TARGET_CIX.
2861 (s{min,max}[qh]i3): New patterns, for TARGET_MAX.
2862 (movsi): Use ldf/lsf when appropriate, instead of lds/sts.
2863 (mov[sd]i): Add use of ftio/itof for TARGET_CIX.
2864 * configure.in (alpha*-dec-osf*): Set MASK_SUPPORT_ARCH for >= 4.0B.
2865 Rename MASK_BYTE_OPS to MASK_BWX.
2867 * i386/mingw32.h (STANDARD_INCLUDE_DIR): New macros.
2868 (STARTFILE_SPEC, PATH_SEPARATOR): Likewise.
2870 * configure.in (AC_PROG_LN_S): Remove; unneeded.
2871 (*cygwin32*, *mingw32*): Default prefix to /usr.
2872 (symbolic_link): Set to "cp -p" if no "ln -s"; add AC_SUBST.
2873 (configure.lang call): Change remaining use of config.h to auto-conf.h.
2875 * Makefile.in (LN): Add new symbol.
2876 (FLAGS_TO_PASS): Pass it down.
2877 (stage[1-4]-start): Use $(LN), not "ln -s".
2879 * mips.h (flag_omit_frame_pointer, frame_pointer_needed, optimize):
2880 Remove declarations: no longer needed.
2881 * pyr.md: Remove unneeded declarations of `optimize'.
2882 * h8300.md: Likewise.
2883 * sparc.c (dwarf2out_cfi_label): Add declaration.
2884 (save_regs, output_function_prologue): Remove cast for it.
2885 (sparc_flat_{save_restore,output_function_prologue): Likewise.
2886 ({save,restore}_regs): No longer inline.
2888 Mon Sep 8 03:08:35 1997 Jim Wilson <wilson@cygnus.com>
2890 * i960.h (LINK_SPEC): Handle -mjX and -mrp switches.
2892 * mips.md (nonlocal_goto_receiver): Define.
2894 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
2896 * alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
2898 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
2899 SFmode for 64 bit hosts.
2901 * profile.c (output_arc_profiler): Verify next_insert_after is an
2902 INSN before and after skipping a stack pop. Check next_insert_after
2903 for non NULL before deferencing it.
2904 (output_func_start_profiler): Set DECL_EXTERNAL to zero.
2906 * va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
2908 * m68k.md (iorsi_zexthi_ashl16): Disable.
2910 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
2912 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
2914 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
2915 prologue insn, only the first elt is significant.
2916 (output_call_frame_info): For exception handling, always use 4-byte
2917 fields as specified by the dwarf2 spec.
2918 Don't skip trivial FDEs.
2920 Sun Sep 7 03:35:28 1997 Paul Eggert <eggert@twinsun.com>
2922 * fix-header.c (std_include_table): Remove bogus entry for popen
2923 under stdio.h with ANSI_SYMBOL. popen is a POSIX2_SYMBOL.
2925 Fri Sep 5 17:19:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2927 * sh.md (movsf_ie+1): Typo fix.
2929 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
2931 * v850: New directory for v850 port.
2932 * v850/lib1funcs.asm: New file.
2933 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
2934 * ginclude/va-v850.h: New file.
2935 * varargs.h, stdarg.h: Include va-mn10200.h.
2936 * configure.in (mn10200-*-*): New target.
2937 * Makefile.in (USER_H): Add va-mn10200.h.
2939 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
2940 * mips/xm-news.h (SYS_SIGLIST_DECLARED): Define.
2941 * mips/xm-sysv4.h (SYS_SIGLIST_DECLARED): Define.
2943 Fri Sep 5 03:50:15 1997 David Edelsohn <edelsohn@mhpcc.edu>
2945 * rs6000.md (fma patterns): Extend previous -mno-fused-madd
2946 patch to DFmode patterns inadvertently omitted.
2948 Thu Sep 4 20:06:02 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
2950 * sparc.md: Add ultrasparc scheduling support.
2951 * sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
2953 Wed Sep 3 20:56:24 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2955 * sh.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Define.
2957 Wed Sep 3 20:52:07 1997 Joel Sherrill <joel@OARcorp.com>
2959 * sh/rtems.h: New file.
2961 Wed Sep 3 17:30:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
2963 * reg-stack.c (subst_stack_regs): Pop the stack register for a
2964 computed goto which sets the same stack register.
2966 Wed Sep 3 17:30:36 1997 Jim Wilson <wilson@cygnus.com>
2968 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
2970 Wed Sep 3 11:25:19 1997 Jeffrey A Law (law@cygnus.com)
2972 * pa.md (reload peepholes): Fix typo in last change.
2974 Wed Sep 3 03:02:02 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2976 * sh.md (movsi_ie): Move t/r alternative after r/r alternative.
2978 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
2980 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
2981 * collect2.c (sys_errlist): Likewise.
2982 * cpplib.c (sys_errlist): Likewise.
2983 * gcc.c (sys_errlist): Likewise.
2984 * protoize.c (sys_errlist): Likewise.
2985 * configure.in: Check for strerror.
2986 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
2987 * xm-gnu.h (HAVE_STRERROR): Likewise.
2988 * xm-linux.h (HAVE_STRERROR): Likewise.
2989 * xm-netbsd.h (HAVE_STRERROR): Likewise.
2990 * alpha/xm-linux.h (HAVE_STRERROR): Likewise.
2991 * i386/xm-bsd386.h (HAVE_STRERROR): Likewise.
2992 * i386/xm-cygwin32.h (HAVE_STRERROR): Likewise.
2993 * i386/xm-dos.h (HAVE_STRERROR): Likewise.
2994 * i386/xm-mingw32.h (HAVE_STRERROR): Likewise.
2995 * pa/xm-pa.h (HAVE_STRERROR): Likewise.
2996 * pa/xm-papro.h (HAVE_STRERROR): Likewise.
2997 * rs6000/xm-cygwin32.h (HAVE_STRERROR): Likewise.
2998 * rs6000/xm-sysv4.h (HAVE_STRERROR): Likewise.
3000 * collect2.c (SYS_SIGLIST_DECLARED): Renamed from
3001 DONT_DECLARE_SYS_SIGLIST.
3002 * mips-tfile.c (SYS_SIGLIST_DECLARED): Likewise.
3003 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
3004 * xm-freebsd.h (DONT_DECLARE_SYS_SIGLIST): Likewise.
3005 * alpha/xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
3006 * i386/xm-bsd386.h (DONT_DECLARE_SYS_SIGLIST): Likewise.
3007 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Likewise.
3008 * mips/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Likewise.
3009 * rs6000/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Likewise.
3010 * sparc/xm-sol2.h (DONT_DECLARE_SYS_SIGLIST): Likewise.
3011 * configure.in: Check for sys_siglist declaration.
3013 * Makefile.in (libgcc2.a): Add missing "else true" clause.
3014 (stage{1,2,3,4}-start): Likewise.
3016 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
3017 are relative to the next instruction, not the current instruction.
3019 Tue Sep 2 14:15:32 1997 Jason Merrill <jason@yorick.cygnus.com>
3021 * toplev.c (xrealloc): Handle null ptr.
3023 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
3025 * fixincludes: Permits spaces between # and define. Discard C++
3026 comments in sys/pci.h on HP/UX 10.20.
3028 Tue Sep 2 09:28:31 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3030 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
3032 Tue Sep 2 00:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
3034 * expr.c (expand_expr, case COND_EXPR): It's OK to merge two
3037 Mon Sep 1 23:36:45 1997 Jeffrey A Law (law@cygnus.com)
3039 * pa.c (restore_unscaled_index_insn_codes): New function.
3040 (record_unscaled_index_insn_codes): Likewise.
3041 (output_function_prologue): Call restore_unscaled_index_insn_codes.
3042 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
3043 (pa_reorg): Call record_unscaled_index_insn_codes.
3045 Mon Sep 1 14:46:09 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3047 * sh.md (casesi_jump_1, casesi_jump2): Generate expanders.
3048 (casesi_jump): Delete.
3049 (casesi) Use gen_casesi_jump_1 and gen_casesi_jump2 instead of
3052 Mon Sep 1 14:36:36 1997 Paul Eggert <eggert@twinsun.com>
3054 * sparc/sol2.h (CPP_SPEC): Add -D__STDC__=0 unless -ansi
3055 or -traditional, for compatibility with Sun's practice.
3056 * i386/sol2.h (CPP_SPEC), rs6000/sol2.h (CPP_SPEC): Likewise.
3057 * configure.in ({sparc,i[3456]86,powerpcle}-*-solaris2*):
3058 Set fixincludes=Makefile.in.
3060 Mon Sep 1 14:08:23 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3062 * Makefile.in (config.status): Depend on version.c.
3064 Mon Sep 1 13:48:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3066 * acconfig.h: Remove include of config2.h.
3067 * configure.in: Build auto-config.h, not config.h, from autoconf data.
3068 Add auto-conf.h in front of all other host_xm_file entries.
3069 Make config.h, not config2.h, from host_xm_file.
3070 * Makefile.in (auto-config.h): New rule; was config.h.
3071 (distclean): Remove auto-config.h, not config2.h.
3073 * expr.c (do_jump_by_parts_equality_rtx): Try to do by IOR of
3076 Mon Sep 1 13:07:36 1997 Bob Manson <manson@charmed.cygnus.com>
3078 * sparc/t-vxsparc (TARGET_LIBGCC2_CFLAGS): New definition.
3079 (LIBGCC2_CFLAGS): Deleted.
3080 * m68k/t-vxworks68: Likewise.
3081 * i960/t-vxworks960: Likewise.
3082 * a29k/t-vx29k: Likewise.
3084 Sun Aug 31 17:12:27 1997 Paul Eggert <eggert@twinsun.com>
3086 * real.c (EMULONG): Correct typo in spelling of HOST_BITS_PER_LONGLONG.
3088 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
3090 * mips.md (movstrsi_internal[23]): Set insn type to "store" to
3091 get more accurate schedules.
3093 * pa.md (reload_peepholes): Make sure operand is a REG before
3094 examining REGNO. Allow general registers too.
3096 Thu Aug 28 12:34:56 1997 Doug Evans <dje@seba.cygnus.com>
3098 * reload1.c (reload_cse_no_longer_dead): Don't pass incremented regno
3099 to SET_HARD_REG_BIT, it can be evaluated twice.
3101 Wed Aug 27 20:15:53 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3103 * sh/elf.h: (LINK_SPEC): Use shlelf.
3104 (USER_LABEL_PREFIX, LOCAL_LABEL_PREFIX, ASM_FILE_START): Redefine.
3105 * sh/lib1funcs.asm (___ashrsi3, ___ashlsi3, ___lshrsi3):
3106 Truncate shift count. Use braf if not SH1.
3107 * sh.c (sfunc_uses_reg): No longer static.
3108 Check for SImode inside the USE.
3109 (shiftcosts, expand_ashiftrt, shl_sext_kind):
3110 Use SH_DYNAMIC_SHIFT_COST.
3111 (sh_dynamicalize_shift_p, output_branchy_insn): New functions.
3112 (output_ieee_ccmpeq, mova_p, cache_align_p, fixup_aligns): Likewise.
3113 (branch_offset, short_cbranch_p, med_branch_p): Likewise.
3114 (braf_branch_p, align_length, fixup_addr_diff_vecs): Likewise.
3115 (addr_diff_vec_adjust, get_dest_uid, gen_far_branch): Likewise.
3116 (split_branches, regs_used, gen_block_redirect): Likewise.
3117 (from_compare): Can't compare non-zero DImode constant directly.
3118 Emit special code for TARGET_SH3E floating point with code == GE.
3119 Force 0.0 into a register for SH3E.
3120 (print_operand): Add ','.
3121 Emit the actual comparison instruction.
3122 (sh_builtin_saveregs): Save floating point registers in order that
3123 allows pre-decrement.
3124 (find_barrier): New arguments num_mova and mova. Changed caller.
3125 When rewinding to before a mova, also restore the last found barrier.
3126 Branch is now known to be shortened.
3127 Prefer barriers where no new alignment is needed.
3128 More generic alignment for cache lines.
3129 Add checks for pieces of code that use more table space than their
3131 Fix up the barrier we return so that the alignment will always be
3133 Remove limit adjustments for table alignment.
3134 Handle PARALLELs correctly.
3135 (machine_dependent_reorg): Add extra pass to split insns.
3136 Don't scan instructions twice for broken moves.
3137 Calculate insn length, call fixup_addr_diff_vecs.
3138 Call split_branches.
3139 Add alignment for loops and after BARRIERs.
3140 Initialize max_uid_before_fixup_addr_diff_vecs.
3141 Advance mdep_reorg_phase.
3142 Clear insn_addresses.
3143 (output_far_jump): Use braf and/or pre-allocated scratch register
3145 (expand_ashiftrt): Truncate shift count.
3146 (push_regs): Push PR last.
3147 (sh_expand_epilogue): Pop PR first.
3148 (code_for_indirect_jump_scratch, mdep_reorg_phase): New variables.
3149 (uid_align, uid_align_max): Likewise.
3150 (max_uid_before_fixup_addr_diff_vecs, sh_addr_diff_vec_mode): Likewise.
3151 (braf_label_ref_operand): New predicate.
3152 (initial_elimination_offset): calculate offset from
3153 RETURN_ADDRESS_POINTER_REGNUM starting with total_saved_regs_space.
3154 (output_branch): Expect out-of-range condbranches to have been split.
3155 * sh.md (rotlsi3_16): Named insn.
3156 (rotlsi3): Rewritten to use superoptimizer patterns.
3157 (adddi3, subdi3, ashrsi2_16, ashrsi2_31): Always split.
3158 (movsi_i, movsi_ie): replace t/z alternative with t/r alternative.
3159 Use pcload_si and load_si insn types.
3160 (adddi3+1, subdi3+1, ashrsi2_16+1, ashrsi2_31+1) New define_splits.
3161 (addc, subc, ashlsi_c): New insns.
3162 (attribute "type"): New values dyn_shift, load_si, pcload_si, fmove,
3163 jump_ind, arith3 and arith3b.
3164 (function_unit "fp"): Take fmove into account.
3165 (function_unit "int"): Uses one cycle for !dyn_shift.
3166 (function_unit "memory"): Special case for load_si and pcload_si.
3167 (attribute "in_delay_slot): handle pcload_si.
3168 (cmpgtdi_t, cmpgedi_t, cmpgeudi_t, cmpgtudi_t): Type arith3.
3169 (cmpsi+1, cmpeqdi_t) Type arith3b.
3170 (movsf_ie, alternatives f/fGH/X, f/y/X, y/f/X): Type fmove.
3171 (extendsidi2): Delete.
3172 (cmpeqsi_t-2): Delete. (Redundant with movt.)
3174 (iorsi3, rotlsi3_1, rotlsi3_31, rotlsi3_16, (*rotlhi3_8): Type arith.
3175 (ashlsi3_k, ashlhi3_ki, ashrsi2_16, ashrsi2_31, lshrsi3_m): Likewise.
3176 (lshrsi3_k, lshrhi3_m, lshrhi3_k, ashldi3_k, lshrdi3_k): Likewise.
3177 (ashrdi3_k, xtrct_left, xtrct_right, dect, mova, movt): Likewise.
3179 (ashlsi3_d, ashrsi3_d, lshrsi3_d): Type dyn_shift.
3180 (indirect_jump_scratch, *casesi_jump_1, *casesi_jump_2): Type jump_ind.
3181 (ashlsi3, ashlsi3_n, lshrsi3, lshrsi3_n): Use sh_dynamicalize_shift_p.
3182 (movsf_ie+1, movsf_ie+2): Exchange.
3183 (cmpeqdi_t-1, cmpeqdi_t, cmpgtdi_t, cmpgedi_t): New insns.
3184 (cmpgeudi_t, cmpgtudi_t, movsi_i_lowpart, ieee_ccmpeqsf_t): Likewise.
3185 (cmpdi, movnegt): New define_expands.
3186 (movsi_ie): Add y,y alternative.
3187 (sge): Use it for ! TARGET_IEEE. Use special code for TARGET_IEEE.
3189 (align_4, casesi_jump): Now define_expand.
3190 (casesi_0, addr_diff_vec_adjust, align_log): New patterns.
3191 (*casesi_jump_[12]): Likewise.
3192 (casesi): Use casesi_0 and casesi_jump.
3193 (casesi_worker): Depends on the mode used for the table.
3194 (define_delay for cbranches): Test TARGET_SH2.
3195 Changed all callers of from_compare.
3196 (attribute "length"): Take use of braf and scratch registers into
3198 (indirect_jump_scratch, block_branch_redirect): New patterns.
3199 (jump): Call output_far_jump for any jump larger than 4 bytes.
3200 (inverse_branch_true, inverse_branch_false): Remove.
3201 (bne, blt, ble, bltu, bleu): Canonicalize.
3202 (attribute "cpu"): Remove "sh0" alternative.
3203 * sh.h (ADJUST_COST): Lower cost of non-address sfunc dependencies.
3204 Adjust cost of load_si / pcload_si insns when not used for call.
3205 (enum reg_class): Move GENERAL_REGS after FPUL_REGS.
3206 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Likewise.
3207 (REGISTER_MOVE_COST): Add costs for fpul <-> mac, pr moves.
3208 Fix to match default cost in regclass. Move to T reg not costly.
3209 When checking for GENERAL_REGS, check for R0_REGS too.
3210 (INITIALIZE_TRAMPOLINE): Include code for constant parts.
3211 (SHIFT_COUNT_TRUNCATED): Not true for TARGET_SH3.
3212 (CPP_SPEC): Define __sh1__ if no specific cpu is selected.
3213 (FUNCTION_BOUNDARY): Align to cache line boundary.
3214 (optimize, sh_addr_diff_vec_mode, machine_dependent_reorg): Declare.
3215 (addr_diff_vec_adjust, code_for_indirect_jump_scratch): Declare.
3216 (short_cbranch_p, med_branch_p, braf_branch_p, align_length): Declare.
3217 (output_ieee_ccmpeq, output_branchy_insn, sfunc_uses_reg): Declare.
3218 (ASM_OUTPUT_ADDR_DIFF_ELT): Depends on sh_addr_diff_vec_mode.
3219 (PREDICATE_CODES): Add braf_label_ref_operand and register_operand.
3220 (IEEE_BIT, TAGET_IEEE, LOCAL_LABEL_PREFIX, ASSEMBLER_DIALECT): Define.
3221 (CACHE_LOG, enum mdep_reorg_phase_e, TRAMPOLINE_ALIGNMENT): Define.
3222 (SH_DYNAMIC_SHIFT_COST): Define.
3223 (TARGET_SWITCHES): Remove -m0 entry. Add -mieee, -mno-ieee.
3224 (OVERRIDE_OPTIONS): sh_cpu defaults to CPU_SH1.
3225 Initialize sh_addr_diff_vec_mode.
3226 (REG_ALLOC_ORDER): Move FP0 behind FP7.
3227 Move all FP registers in front of the general registers.
3228 (SECONDARY_OUTPUT_RELOAD_CLASS): Add case for MAC_REGS / PR_REGS.
3229 When checking for GENERAL_REGS, check for R0_REGS too.
3230 Fix direction of compares to {FIR,LA}ST_FP_REG.
3231 (SECONDARY_INPUT_RELOAD_CLASS): check for fp_one_operand.
3232 (ASM_OUTPUT_ALIGN_CODE, ASM_OUTPUT_LOOP_ALIGN, SH0_BIT): Delete.
3233 (TARGET_SH0, PUSH_ROUNDING, TRAMPOLINE_TEMPLATE): Delete.
3234 (TRAMPOLINE_ALIGN): Delete.
3235 (processor_type): Remove PROCESSOR_SH0.
3236 (ADJUST_INSN_LENGTH): Remove check for preceding BARRIER.
3237 Adjust ADDR_DIFF_VECs. Add code for alignment instructions.
3238 Check if insn needing a delay slot is already inside a SEQUENCE.
3240 * va-sh.h (__va_rounded_size): Delete.
3241 (__LITTLE_ENDIAN_P, __SCALAR_TYPE, __PASS_AS_FLOAT): Define.
3242 (va_arg): Unify big and little endian code.
3243 Optimization for small integers.
3246 * sh.h (INITIAL_ELIMINATION_OFFSET): Proper bracketing.
3247 (REGNO_REG_CLASS, PREFERRED_RELOAD_CLASS): Likewise.
3248 (SECONDARY_{OUTPUT,INPUT}_RELOAD_CLASS, LIBCALL_VALUE): Likewise.
3249 (ROUND_ADVANCE, FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS): Likewise.
3250 (FUNCTION_PROFILE, FUNCTION_EPILOGUE, RETURN_ADDR_RTX): Likewise.
3251 (REGNO_OK_FOR_INDEX_P, EXTRA_CONSTRAINT_Q, MODE_DISP_OK_4): Likewise.
3252 (GO_IF_LEGITIMATE_{INDEX,ADDRES}, LEGITIMIZE_ADDRESS): Likewise.
3253 (CONST_COSTS, REGISTER_MOVE_COST, ASM_OUTPUT_CONSTRUCTOR): Likewise.
3254 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Likewise.
3255 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP, ASM_OUTPUT_LABEL): Likewise.
3256 (ASM_OUTPUT_ALIGN), ASM_DECLARE_FUNCTION_NAME): Likewise.
3257 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_CASE_LABEL): Likewise.
3258 (ASM_OUTPUT_ADDR_DIFF_ELT, ASM_OUTPUT_ADDR_VEC_ELT) Likewise.
3259 (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT, ASM_OUTPUT_INT): Likewise.
3260 (ASM_OUTPUT_SHORT, ASM_OUTPUT_CHAR, ASM_OUTPUT_BYTE): Likewise.
3261 (ASM_OUTPUT_SKIP, FINAL_PRESCAN_INSN, PRINT_OPERAND): Likewise.
3262 (PRINT_OPERAND_ADDRESS, HANDLE_PRAGMA, ADJUST_INSN_LENGTH): Likewise.
3263 (PROMOTE_MODE): Likewise.
3264 (ASM_GENERATE_INTERNAL_LABEL): Use LOCAL_LABEL_PREFIX.
3265 (ASM_OUTPUT_INTERNAL_LABEL): Use %L.
3266 * sh/elf.h: (ASM_OUTPUT_LABELREF): Use %U.
3267 (ASM_GENERATE_INTERNAL_LABEL): Use LOCAL_LABEL_PREFIX.
3268 (ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SOURCE_LINE): Use %L.
3270 Wed Aug 27 16:42:21 1997 Bob Manson (manson@cygnus.com)
3272 * t-h8300 (TARGET_LIBGCC2_CFLAGS): New definit.
3273 (LIBGCC2_CFLAGS): Deleted.
3274 * t-mn10200: Likewise.
3276 Wed Aug 27 17:10:51 1997 Jim Wilson <wilson@cygnus.com>
3278 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
3281 Wed Aug 27 15:19:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3283 * dwarfout.c (dwarfout_start_new_source_file): Strip leading '*'s
3286 Wed Aug 27 14:33:38 1997 Jim Wilson <wilson@cygnus.com>
3288 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
3289 address where an offsettable address is required.
3291 Wed Aug 27 10:38:32 1997 Jeffrey A Law (law@cygnus.com)
3293 * reorg.c (dbr_schedule): Allow current_function_return_rtx
3294 to be something other than a REG.
3295 * function.c (expand_function_end): Fix current_function_return_rtx
3298 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
3299 * x-netbsd: Likewise
3300 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
3301 (INSTALL_HEADERS): Delete.
3302 * x-dguxbcs: Likewise.
3303 * x-hp3bsd44: Likewise
3306 Wed Aug 27 07:15:58 1997 Klaus Espenlaub <kespenla@hydra.informatik.uni-ulm.de>
3308 * configure.in (AC_PROG_CC, AC_PROG_MAKE_SET): Check for gcc before
3311 Wed Aug 27 02:24:35 1997 Jim Wilson <wilson@cygnus.com>
3313 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
3314 TYPE_DECL_IS_STUB instead of DECL_NAME.
3316 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
3317 filenames. Use sed to extract base filename for install.
3319 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
3321 * loop.c (combine_movables): Earlier insns don't match later ones.
3323 * c-decl.c (grokdeclarator): If array index or size calculations
3324 overflow, issue an error.
3325 * fold-const.c (int_const_binop): New static function.
3326 (const_binop, size_binop): Call it.
3328 Tue Aug 26 17:51:56 1997 Jason Merrill <jason@yorick.cygnus.com>
3330 * collect2.c (main): Check SCAN_LIBRARIES instead of LDD_SUFFIX
3331 to decide whether to always emit init and fini handles.
3333 Tue Aug 26 13:51:10 1997 Jim Wilson <wilson@cygnus.com>
3335 * stor-layout.c (layout_record): Test DECL_PACKED instead of
3336 TYPE_PACKED to determine alignment.
3338 * combine.c (try_combine): Distribute REG_DEAD notes created for
3339 i3dest_killed similar to the ones created for i2dest_in_i2src
3340 and for i1dest_in_i1src.
3342 Tue Aug 26 11:36:34 1997 Jeffrey A Law (law@cygnus.com)
3344 * loop.c (check_final_value): Don't miss a biv increment in a
3347 * loop.c (check_dbra_loop): If the loop biv is only used
3348 for counting, then normalize it so that the initial
3351 Tue Aug 26 06:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
3353 * dwarfout.c (*_LABEL): Add initial '*'.
3355 Tue Aug 26 05:27:28 1997 Richard Henderson <rth@cygnus.com>
3357 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
3358 * configure.in (alpha-*-linux-gnulibc1): New target.
3359 (alpha-*-linux-gnu*): Don't build crtbegin/end.
3361 Mon Aug 25 19:11:38 1997 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
3363 * reload1.c (reload_cse_simplify_operands): Fix typo.
3365 Mon Aug 25 19:04:42 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3367 * c-typeck.c (common_type): Always prefer long double to double.
3369 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
3371 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
3374 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
3375 store of the argument registers.
3377 Sun Aug 24 21:25:06 1997 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
3379 * reload1.c (reload_cse_mem_conflict_p, case MEM): Also check
3380 for conflict with the address.
3382 Sat Aug 23 18:43:22 1997 Jim Wilson <wilson@cygnus.com>
3384 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
3385 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
3386 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
3389 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
3390 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
3392 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
3394 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
3395 around branch tables.
3396 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
3397 and .end_brtab directives if TARGET_GAS.
3399 Fri Aug 22 19:17:25 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3401 * function.c (instantiate_virtual_regs_1, case ADDRESSOF):
3403 (fix_lexical_addr): Handle (addressof (mem ...)).
3405 Thu Aug 21 17:56:06 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3407 * reload.c (push_secondary_reload): If SECONDARY_MEM_NEEDED,
3408 call get_secondary_mem for input before adding reload and
3410 (push_reload): Likewise.
3412 Thu Aug 21 15:57:03 1997 Jim Wilson <wilson@cygnus.com>
3414 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
3415 block_stack before dereferencing it.
3417 Wed Aug 20 15:45:52 1997 Dave Love <d.love@dl.ac.uk>
3419 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
3422 Wed Aug 20 15:30:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
3424 * i386.c (ix86_prologue, ix86_epilogue): New functions.
3425 ({function,ix86_expand}_{pro,epi}logue, ix86_expand_prologue):
3428 Wed Aug 20 14:57:11 1997 Michael Meissner <meissner@cygnus.com>
3430 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
3432 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
3434 * cplus-dem.c: Add 'extern' to prepends_underscore.
3436 Tue Aug 19 15:46:30 1997 Jeffrey A Law (law@cygnus.com)
3438 * mips/r3900.h (SUBTARGET_CC1_SPEC): Remove some unnecessary stuff.
3439 (MIPS_CPU_STRING_DEFAULT, MIPS_ISA_DEFAULT): Define.
3441 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
3443 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
3444 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
3446 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
3448 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
3449 quotes around the name.
3451 Mon Aug 18 17:26:42 1997 Doug Evans <dje@cygnus.com>
3453 * mips.md (movsi_ulw,movsi_usw,loadgp): Give unspec a mode.
3455 Mon Aug 18 11:05:17 1997 Jeffrey A Law (law@cygnus.com)
3457 * mips/r3900.h (TARGET_DEFAULT): Turn on MASK_MIPS3900.
3459 Sun Aug 17 14:39:18 1997 Gavin Koch (gavin@cygnus.com)
3461 * mips/elf.h (PREFERRED_DEBUGGING_TYPE): Only set if not already set.
3462 * mips.c (TARGET_{SINGLE,SOFT}_FLOAT): Make sure both aren't set.
3463 (PROCESSOR_R3900): Set flag from option.
3464 * mips.h: Add m3900 option.
3465 ({PROCESSOR,TARGET,MASK}_R3900): Define.
3466 (GENERATE_{BRANCHLIKELY,MADD,MULT3): Likewise.
3467 (debugj,MASK_DEBUG_J): Delete to make room for m3900.
3468 (BRANCH_LIKELY_P): Redefine to include 3900.
3469 (GAS_ASM_SPEC,CC1_SPEC): Add m3900 option.
3470 (RTX_COSTS): Add 3900.
3471 * mips.md: Add 3900, including three op madd and mult.
3472 * configure.in (mipstx39{,el}-*-elf*): New cases.
3473 * mips/r3900.h: New file.
3475 Fri Aug 15 07:34:12 1997 Richard Earnshaw (rearnsha@arm.com)
3477 * arm.md (umulsi3_highpart, smulsi3_highpart): Add extra reloading
3480 Fri Aug 15 07:34:12 1997 Torbjorn Granlund <tege@tege.pdc.kth.se>
3482 * arm.md (umulsi3_highpart, smulsi3_highpart): New patterns.
3483 * arm.c (arm_rtx_costs, case TRUNCATE): New case.
3485 Fri Aug 15 06:40:03 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3487 * genemit.c (main): Write an include for flags.h.
3488 * genoutput.c (main): Likewise.
3490 * alpha.c (override_options): Turn off byte insns for cpu=ev4 or ev5.
3492 * alpha.md (allocate_stack): If stupid reg allocation, add USE
3495 * fold-const.c (fold, compare cases): Add calls to `fold' to
3498 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
3500 * rtl.h ({SET,}ADDRESSOF_DECL): op 1 of ADDRESSOF is now the decl.
3501 * function.c (put_var_into_stack, gen_mem_addressof,
3502 put_addressof_into_stack): Adjust.
3504 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
3505 again for the slot after we give it RTL.
3506 (expand_expr, case VAR_DECL): Lose gen_mem_addressof case.
3508 Wed Aug 13 17:29:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3510 * c-lex.c (check_newline): Pass finput again to HANDLE_PRAGMA.
3512 Wed Aug 13 16:51:35 1997 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
3514 * reload1.c (reload_cse_simplify_operands): New function.
3515 (reload_cse_no_longer_dead,reload_cse_delete_death_notes): Likewise.
3516 (no_longer_dead_regs): New static variable.
3517 (reload_cse_simplify_set): Now returns int.
3518 Don't delete death notes on previous insns, call
3519 reload_cse_no_longer_dead instead.
3520 Call validate_change with nonzero value for in_group.
3521 (reload_cse_noop_set_p): Don't delete death notes on previous insns,
3522 call reload_cse_no_longer_dead instead.
3523 (reload_cse_regs): Initialize no_longer_dead_regs and call
3524 reload_cse_delete_death_notes as appropriate.
3525 Call apply_change_group after calling reload_cse_simplify_set.
3526 Call reload_cse_simplify_set on elements of a PARALLEL.
3527 Call reload_cse_simplify_operands if reload_cse_simplify_set could
3528 not simplify things.
3530 Wed Aug 13 16:18:42 1997 Douglas Rupp <rupp@gnat.com>
3532 * vms.h (LINK_SPEC): Echo -shared, not -share, to linker.
3534 Wed Aug 13 12:51:11 1997 Richard Stallman <rms@psilocin.gnu.ai.mit.edu>
3536 * m68k.md: Add braces to clarify nesting.
3538 Wed Aug 13 12:51:11 1997 Jason Merrill <jason@yorick.cygnus.com>
3540 * calls.c (expand_call): Use assign_temp and mark_addressable
3541 instead of calling gen_mem_addressof directly.
3543 Wed Aug 13 12:40:15 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3545 * Makefile.in (install-man): Add missing $(exeext).
3547 * configure.in (alpha*-dec-osf*): Merge various cases;
3548 split off version-specific files in new case statement.
3549 Include osf2or3.h even for OSF1.2.
3551 * alpha.c (NUM_ARGS): New macro.
3552 (CURRENT_FUNCTION_ARGS_INFO): Deleted.
3553 (alpha_builtin_saveregs): Use new macro.
3554 (function_arg): Deleted.
3555 (alpha_arg_type, alpha_arg_info_reg_val): New functions.
3556 * vms.h (enum avms_arg_type, avms_arg_info): New types.
3557 (CUMULATIVE_ARGS, INIT_CUMULATIVE_ARGS): Update definitions
3559 (SETUP_INCOMING_VARARGS): Likewise.
3560 (FUNCTION_ARG{,_PARTIAL_NREGS}, FUNCTION_ARG_ADVANCE): Likewise.
3561 Only update CUM in FUNCTION_ARG_ADVANCE.
3563 Tue Aug 12 19:27:32 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
3565 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
3566 as initial value for real_label_map.
3567 (copy_for_inline): Likewise.
3569 Tue Aug 12 16:15:36 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3571 * rtl.h (BYTECODE_LABEL): Use XSTR, not XEXP.
3573 * calls.c (expand_calls): Properly call any_pending_cleanups.
3575 Tue Aug 12 12:18:01 1997 Jason Merrill <jason@yorick.cygnus.com>
3577 * function.c (purge_addressof_1): Add force argument.
3578 (purge_addressof): If there are any ASM_OPERANDS in an insn, always
3579 put ADDRESSOFs into the stack.
3581 * function.c (setjmp_protect): See through addressof.
3582 (setjmp_protect_args): Likewise.
3583 * calls.c (expand_call): For now, only use addressof if the type
3585 * function.c (put_var_into_stack): Likewise.
3586 * expr.c (expand_expr): Likewise.
3587 * toplev.c (rest_of_compilation): Check inlineable instead of
3589 * function.c (purge_addressof_1): Try recognizing the insn with
3590 and without the SUBREG. If it doesn't work, just put the REG into
3592 (gen_mem_addressof): Set the mode of the MEM to the mode of the type.
3593 (put_var_into_stack): Don't be fooled by addressof in an enclosing
3596 Sun Aug 10 22:19:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3598 * explow.c (probe_stack_range): Add USE for test_addr if -O0.
3600 Sun Aug 10 22:15:40 1997 Jason Merrill <merrill@churchy.gnu.ai.mit.edu>
3602 * toplev.c (rest_of_compilation): Move purge_addressof before loop.
3604 Sun Aug 10 15:25:51 1997 Jim Wilson <wilson@cygnus.com>
3606 * toplev.c (main): In -g handling code, add code to set len.
3608 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
3609 has integer TYPE_{MAX,MIN}_VALUE before using them.
3611 * alpha.md (extendqihi2): Use HImode not QImode in force_reg call.
3613 Sun Aug 10 16:47:34 1997 Nick Burrett <nick.burrett@btinternet.com>
3615 * arm/aof.h (COMMON_SECTION): New macro, define common_section.
3616 (EXTRA_SECTION_FUNCTIONS): Add COMMON_SECTION.
3617 (EXTRA_SECTIONS): Add in_common.
3618 (ASM_OUTPUT_COMMON): Call common_section() to indicate we've
3621 Sat Aug 9 20:04:35 1997 Jim Wilson <wilson@cygnus.com>
3623 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
3624 extern inline function.
3626 Sat Aug 9 13:01:06 1997 Michael Meissner <meissner@cygnus.com>
3628 * rs6000/sysv4.h (*_SPEC): Add support for -mads and -myellowknife.
3629 Use a common crt0.o for all embedded platforms. Use --start-group
3630 and --end-group instead of -( and -) to allow better cut and pasting
3631 when debugging the linker. Set default start for MVME text.
3632 (TARGET_SWITCHES): Add -mads and -myellowknife.
3634 Fri Aug 8 20:12:43 1997 Per Bothner <bothner@cygnus.com>
3636 * dwarf2out.c (gen_enumeration_type_die):
3637 Make code work for a tag name, without a TYPE_STUB_DECL.
3638 (gen_struct_or_union_type_die): Likewise.
3640 Fri Aug 8 18:10:40 1997 Marc Lehmann <pcg@goof.com>
3642 * i386/go32.h (HAS_INIT_SECTION, HAVE_ATEXIT): New macros.
3644 Fri Aug 8 17:30:22 1997 H.J. Lu <hjl@gnu.ai.mit.edu>
3646 * i386.c (output_pic_addr_const, case PLUS): Emit the constant first.
3648 Fri Aug 8 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
3650 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
3653 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
3654 destination are both on the regstack.
3655 (subst_stack_regs_pat): Put the destination at the top of the regstack.
3657 Fri Aug 8 17:03:21 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3659 * i386.md (pop): pop increments the stack pointer.
3660 (prologue_set_stack_ptr): New pattern.
3661 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
3664 Fri Aug 8 17:00:36 1997 Paul Eggert <eggert@twinsun.com>
3666 * gansidecl.h, halfpic.h (STDIO_PROTO): Remove.
3667 * bitmap.h, c-tree.h, output.h, reload.h, rtl.h (STDIO_PROTO):
3668 Replace with PROTO in include files.
3669 * bc-emit.c: Include <stdio.h> before include files that formerly
3671 * bc-optab.c, c-common.c, c-decl.c, caller-save.c, calls.c: Likewise.
3672 * convex.c, i860.c, mips.c, spur.c, tahoe.c, emit-rtl.c: Likewise.
3673 * explow.c, expmed.c, expr.c, genattrtab.c, halfpic.c: Likewise.
3674 * jump.c, optabs.c, profile.c, recog.c, regclass.c: Likewise.
3675 * rtlanal.c, sdbout.c, unroll.c: Likewise.
3676 * genattrtab.c (main): Generate files that include <stdio.h>
3677 before including files that formerly used STDIO_PROTO.
3678 * genemit.c (main), genextract.c (main), genopinit.c (main): Likewise.
3679 * genoutput.c (output_prologue), genpeep.c (main): Likewise.
3680 * genrecog.c (main): Likewise.
3681 * halfpic.h (PROTO): Use "gansidecl.h" to define this instead.
3682 (half_pic_finish): Declare without prototype; FILE isn't defined.
3684 * bitmap.c, c-aux-info.c, c-lex.c: Include "config.h" first.
3685 * c-parse.in, c-pragma.c, 1750a.c, a29k.c, alpha.c: Likewise.
3686 * arm.c, clipper.c, dsp16xx.c, elxsi.c, fx80.c, gmicro.c: Likewise.
3687 * h8300.c, i370.c, i386.c, i386/winnt.c, i960.c: Likewise.
3688 * m32r.c, m68k.c, m88k.c, mn10200.c, mn10300.c, ns32k.c: Likewise.
3689 * pa.c, pdp11.c, pyr.c, romp.c, rs6000.c, sparc.c, vax.c: Likewise.
3690 * we32k.c, cppmain.c, dbxout.c, flow.c, fold-const.c: Likewise.
3691 * gcc.c, gcov.c, global.c, integrate.c, local-alloc.c: Likewise.
3692 * loop.c, mips-tdump.c, mips-tfile.c, objc-act.c: Likewise.
3693 * real.c, reg-stack.c, reload.c, reload1.c, reorg.c, sched.c: Likewise.
3694 * stupid.c, tree.c, varasm.c, xcoffout.c: Likewise.
3696 Fri Aug 8 14:52:35 1997 Jason Merrill <jason@yorick.cygnus.com>
3698 * function.c (fixup_stack_1): Stack slots can also be relative to
3699 the frame or stack pointers.
3701 Fri Aug 8 14:13:49 1997 Richard Henderson <richard@gnu.ai.mit.edu>
3703 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
3704 (concat_loc_descriptor): New function.
3705 (loc_descriptor): Call it.
3706 (add_AT_location_description): Also elide the descriptor if both
3707 halves of a CONCAT are pseudos.
3708 (add_location_or_const_value_attribute): Recognize CONCAT too.
3710 Fri Aug 8 06:36:29 1997 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
3712 * c-common.c (if_stack{,_space,_pointer}): New static variables.
3713 (c_expand_{start_cond,start_else,end_cond}): New functions.
3714 * c-parse.in (compstmt_count): New static variable.
3715 (compstmt_start): New rule.
3716 (compstmt): Use new rule.
3717 (do_stmt_start): Update compstmt_count.
3718 (simple_if, stmt): Use new versions of start_cond, start_else,
3721 Thu Aug 7 15:35:25 1997 Jim Wilson <wilson@cygnus.com>
3723 * mips/iris6.h (TARGET_LONG64): Don't define here.
3724 * mips.c (override_options): Set MASK_LONG64 for ABI_64.
3726 * mips.c (function_prologue): Don't emit ".ent", ".frame",
3727 ".mask", ".fmask" if flag_inhibit_size_directive is true.
3728 (function_epilogue): Don't emit ".end" if
3729 flag_inhibit_size_directive is true.
3731 * mips/iris6.h (STARTFILE_SPEC, LIB_SPEC): Move
3732 -L/usr/lib{32,64}/mips? from STARTFILE_SPEC to LIB_SPEC.
3734 Thu Aug 7 13:14:21 1997 Torbjorn Granlund <tege@tunnis.tmg.se>
3736 * fold-const.c (fold): Optimize unsigned x <= 0x7fffffff.
3738 Thu Aug 7 12:46:31 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3740 * explow.c (convert_memory_address, case LABEL_REF): Copy
3741 LABEL_REF_NONLOCAL_P.
3743 * expr.c (store_constructor): Use CONST0_RTX macro, not always
3744 the integer version, when clearing a register.
3746 * varasm.c (output_constructor): Correctly check for
3747 multi-word constant.
3749 Thu Aug 7 10:04:42 1997 Douglas Rupp <rupp@gnat.com>
3751 * alpha/vms-tramp.asm: New file.
3753 * gcc.c (execute): Don't allow -pipe on VMS.
3755 * alpha.c (vmskrunch): Don't strip off trailing digits.
3756 (vms_valid_decl_attribute_p): New function.
3757 * alpha/vms.h (TRAMPOLINE_TEMPLATE): Add another quadword of zeros.
3758 (TRAMPOLINE_SIZE): Now 32 bytes.
3759 (INITIALIZE_TRAMPOLINE): Put FNADDR at offset 16, CXT at 24.
3760 (DBX_DEBUGGING_INFO, ASM_FORMAT_PRIVATE_NAME): Always undefine.
3761 (STARTFILE_SPEC): Likewise.
3762 (PREFERRED_DEBUGGING_TYPE): Define to be Dwarf-2.
3763 (VALID_MACHINE_DECL_ATTRIBUTE, ASM_OUTPUT_SECTION{,_NAME}): New macros.
3764 (ASM_OUTPUT_ALIGN{,ED_COMMON}): Redefine.
3765 (LINK_SPEC): Pass -share and -v.
3766 (ENDFILE_SPEC, LIBGCC2_SPEC): Don't redefine.
3768 Thu Aug 7 06:21:47 1997 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
3770 * Eliminate most -Wswitch warnings.
3771 * c-common.c (binary_op_error): Add default case to switch.
3772 (shorten_compare, truthvalue_conversion): Likewise.
3773 * c-iterate.c (collect_iteratores): Likewise.
3774 * c-typeck.c (comptypes, build_component_ref): Likewise.
3775 (build_binary_op, lvalue_p, build_unary_op): Likewise.
3776 (build_modify_expr, initializer_constant_valid_p): Likewise.
3777 (c_expand_return): Likewise.
3778 * calls.c (calls_function_1): Likewise.
3779 * combine.c (find_split_point, simplify_rtx): Likewise.
3780 (simplify_if_then_else, simplify_logical): Likewise.
3781 (extract_left_shift, make_compound_operation, force_to_mode): Likewise.
3782 (known_cond, nonzero_bits, num_sign_bit_copies): Likewise.
3783 (merge_outer_ops, simplify_shift_const, simplify_comparison): Likewise.
3784 (reversible_comparison_p, mark_used_regs_combine): Likewise.
3785 * convert.c (convert_to_integer): Likewise.
3786 * cse.c (canon_hash, exp_equiv_p): Likewise.
3787 (set_nonvarying_address_components, canon_reg): Likewise.
3788 (simplify_unary_operation, simplify_plus_minus): Likewise.
3789 (simplify_relational_operation, fold_rtx): Likewise.
3790 (cse_process_note, count_reg_usage): Likewise.
3791 * dbxout.c (dbxout_symbol): Likewise.
3792 * dwarf2out.c (lookup_cfa_1, print_die): Likewise.
3793 * emit_rtl.c (copy_rtx_if_shared, reset_used_flags): Likewise.
3794 * explow.c (plus_constant_wide, convert_memory_address): Likewise.
3795 (promote_mode, emit_stack_save, emit_stack_restore): Likewise.
3796 * expmed.c (expand_divmod, emit_store_flag): Likewise.
3797 * expr.c (queued_subexp_p, is_zeros_p, safe_from_p): Likewise.
3798 (bc_expand_expr, preexpand_calls, convert_move): Likewise.
3799 * final.c (get_attr_length, final_scan_insn): Likewise.
3800 (walk_alter_subreg, alter_cond): Likewise.
3801 * flow.c (jmp_uses_reg_or_mem, mark_used_regs): Likewise.
3802 * fold-const.c (operand_equal_p, twoval_comparison_p): Likewise.
3803 (eval_subst, invert_truthvalue, range_binop): Likewise.
3804 (make_range, fold): Likewise.
3805 * function.c (fixup_var_refs_1, instantiate_virtual_regs_1): Likewise.
3806 * genattrtab.c (attr_copy_rtx, make_canonical): Likewise.
3807 (encode_units_mask, simplify_test_exp): Likewise.
3808 (find_and_mark_used_attributes, write_test_expr): Likewise.
3809 (simplify_with_current_value_aux, clear_struct_flag): Likewise.
3810 (count_sub_rtxs, gen_insn walk_attr_value): Likewise.
3811 (copy_rtx_unchanging): Likewise.
3812 * genconfig.c (walk_insn_part): Likewise.
3813 * genextract.c (walk_rtx): Likewise.
3814 * genoutput.c (scan_operands): Likewise.
3815 * genpeep.c (match_rtx): Likewise.
3816 * genrecog.c (add_to_sequence): Likewise.
3817 * integrate.c (copy_for_inline, copy_rtx_and_substitute): Likewise.
3818 (subst_constants): Likewise.
3819 * jump.c (duplicate_loop_exit_test, comparison_dominates_p): Likewise.
3820 (mark_jump_label, rtx_renumbered_equal_p): Likewise.
3821 (rtx_equal_for_thread_p): Likewise.
3822 * local-alloc.c (memref_referenced_p): Likewise.
3823 * loop.c (record_excess_regs, reg_in_basic_block_p): Likewise.
3824 (get_condition, replace_call_address): Likewise.
3825 (count_nonfixed_reads, find_and_verify_loops, find_mem_givs): Likewise.
3826 (maybe_eliminate_biv_1, invariant_p, simplify_giv_expr): Likewise.
3827 * optabs.c (emit_float_lib_cmp): Likewise.
3828 * print-tree.c (print_node): Likewise.
3829 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
3830 * reload.c (subst_reg_equivs, find_reloads_address_1): Likewise.
3831 (refers_to_regno_for_reload_p, find_equiv_reg): Likewise.
3832 * reload1.c (set_label_offsets, eliminate_regs): Likewise.
3833 (scan_paradoxical_subregs, count_occurrences): Likewise.
3834 * rtl.c (copy_rtx, copy_most_rtx): Likewise.
3835 * rtlanal.c (rtx_varies_p, rtx_addr_can_trap_p): Likewise.
3836 (reg_mentioned_p, reg_referenced_p, modified_between_p): Likewise.
3837 (modified_in_p, refers_to_regno_p, volatile_insn_p): Likewise.
3838 (volatile_refs_p, side_effects_p): Likewise.
3839 (inequality_comparison_p, replace_regs): Likewise.
3840 * sched.c (sched_analyze_2): Likewise.
3841 * stmt.c (expand_return): Likewise.
3842 * tree.c (staticp, unsave_expr_now, contains_placeholder_p): Likewise.
3843 (substitute_in_expr, build_type_attribute_variant): Likewise.
3844 (simple_cst_equal): Likewise.
3845 * unroll.c (remap_split_bivs): Likewise.
3846 * varasm.c (const_hash, compare_constant_1): Likewise.
3847 (decode_rtx_const, output_addressed_constants): Likewise.
3848 (output_constant): Likewise.
3849 * print-tree.c (print_node): Convert switch with one case into an if.
3850 * sched.c (memrefs_conflict_p): Likewise.
3851 * genrecog.c (write_tree_1): Output default case for every switch.
3853 * profile.c (output_arc_profiler) [SMALL_REGISTER_CLASSES]:
3854 Apply PATTERN only to insns.
3856 Thu Aug 7 06:13:20 1997 Robert Lipe <robertl@dgii.com>
3858 * i386/t-sco5 (libgcc2-elf.a): Resync with Makefile.in.
3860 Wed Aug 6 19:28:05 1997 Jim Wilson <wilson@cygnus.com>
3862 * dwarf2out.c (build_abbrev_table): Use xrealloc not xmalloc.
3864 Wed Aug 6 12:57:24 1997 Jason Merrill <jason@yorick.cygnus.com>
3866 * dwarf2out.c (output_call_frame_info): Always emit the info.
3867 (dwarf2out_frame_debug): We can initialize the temp reg in the
3870 * rtl.def: Add ADDRESSOF.
3871 * rtl.h (ADDRESSOF_TYPE, SET_ADDRESSOF_TYPE): New macros.
3872 * Makefile.in (mostlyclean): Remove *.addressof.
3873 * toplev.c (rest_of_compilation): Set DECL_DEFER_OUTPUT on
3874 non-nested inlines. Run purge_addressof after CSE.
3875 (various): Add .addressof RTL dump file.
3876 * rtl.c (copy_rtx): No need to copy ADDRESSOF.
3877 * reload1.c (eliminate_regs): Elide ADDRESSOF.
3878 * recog.c (general_operand): (MEM (ADDRESSOF ())) is a valid operand.
3879 So is (ADDRESSOF ()).
3880 (memory_address_p): (ADDRESSOF ()) is a valid memory address.
3881 * integrate.c (expand_inline_function): If the structure_value_addr
3882 is an ADDRESSOF, we can use it as a constant.
3883 (copy_rtx_and_substitute): Copy a '0' operand over unchanged.
3884 * function.c (fixup_var_refs_1): Remove (ADDRESSOF (MEM ())).
3885 (gen_mem_addressof): New fn.
3886 (put_addressof_into_stack): New fn.
3887 (purge_addressof_1): New fn.
3888 (purge_addressof): New fn.
3889 (instantiate_decl): Don't bother looking into an ADDRESSOF.
3890 (put_var_into_stack): Call gen_mem_addressof for local REGs instead
3891 of calling put_reg_into_stack.
3892 * expr.c (expand_expr, case TARGET_EXPR): Put the temp in a register
3894 (expand_expr, case ADDR_EXPR): Call gen_mem_addressof to take the
3896 * explow.c (memory_address): An ADDRESSOF is a valid memory address.
3897 * dwarfout.c (location_or_const_value_attribute): Handle ADDRESSOF.
3898 * dwarf2out.c (add_location_or_const_value_attribute): Handle
3900 * cse.c (FIXED_BASE_PLUS_P): Add ADDRESSOF.
3901 (NONZERO_BASE_PLUS_P): Add ADDRESSOF.
3902 (canon_hash): Ignore '0' operands.
3903 (find_best_addr): Don't try to replace an ADDRESSOF.
3904 (fold_rtx): If our address has a const equiv of an ADDRESSOF, use it.
3905 * calls.c (expand_call): Put the struct value in a register if
3908 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
3910 * mips.c (function_arg): Handle passing a struct
3911 containing a double in a DFmode register without the PARALLEL.
3913 Tue Aug 5 12:27:31 1997 Doug Evans <dje@cygnus.com>
3915 * configure.in (sparc-*-solaris2): Set float_format to i128.
3916 * config/float-i128.h: New file.
3918 Mon Aug 4 17:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3920 * combine.c (try_combine): If have PARALLEL of independent SETs
3921 and have cc0, ensure insn using CC0 come first.
3923 Mon Aug 4 15:22:41 1997 Mike Meissner <meissner@cygnus.com>
3925 * rs6000/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Undef for System V
3928 Mon Aug 4 12:34:41 1997 Philip Blundell <pb@nexus.co.uk>
3930 * configure.in (arm-*-aout): Set tmake_file correctly.
3932 Mon Aug 4 08:06:48 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3934 * reload.c (find_reloads_address_1): Don't pass VOIDmode for an
3935 integer argument of push_reload.
3937 * rtlanal.c (may_trap_p): Fix unintended fall-through so divisions by
3938 non-zero constants are handled properly. Return 1 for FP divisions.
3940 Mon Aug 4 06:52:20 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3942 * c-common.c (check_format_info): Store each flag character only
3943 once in the flag_chars array.
3945 Sun Aug 3 21:57:31 1997 Jim Meyering <meyering@eng.ascend.com>
3947 * objc/Make-lang.in (objc/*.o): Depend on $(GCC_PASSES).
3949 Sun Aug 3 21:54:51 1997 Nick Burrett <n.a.burrett@btinternet.com>
3951 * cpplib.c (cpp_start_read): Recognise suffixes 'cp' and 'c++'.
3953 Sun Aug 3 19:18:27 1997 Ralf Baechle <ralf@uni-koblenz.de>
3955 * Makefile.in (mostlyclean): Remove libgcc1-test.
3957 Sun Aug 3 19:10:27 1997 Klaus Espenlaub <kespenla@hydra.informatik.uni-ulm.de>
3959 * Makefile.in (T): Move to place where it can be overridden.
3960 (install_common): Fix permissions of specs and EXTRA_PARTS files.
3962 Sun Aug 3 19:07:04 1997 Jan-Jaap van der Heijden <J.J.vanderHeijden@student.utwente.nl>
3964 * gcc.c (default_compilers): Add default entries for Pascal.
3966 Sun Aug 3 18:38:41 1997 Richard Henderson <rth@cygnus.com>
3968 * alpha.c (alpha_return_addr): New function.
3969 (output_epilog): Zero alpha_return_addr_rtx.
3970 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
3972 Sun Aug 3 17:27:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3974 * Makefile.in (INSTALL): Build in $(srcdir).
3976 * config/linux.h (DEFAULT_VTABLE_THUNKS): New macro.
3978 Sun Aug 3 17:18:31 1997 Richard Earnshaw (rearnshaw@cambridge.arm.com)
3980 * expr.c (expand_builtin, case BUILT_IN_RETURN_ADDRESS): Emit warning
3981 if return address cannot be determined.
3983 Sun Aug 3 17:04:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3985 * stupid.c (stupid_life_analysis): If function receives non-local
3986 goto, don't let any registers live across calls.
3988 * fold-const.c (merge_ranges): Make sure that if one range is subset
3989 of another, it will always be the second range. Correct (+,-) case to
3992 Sun Aug 3 16:48:30 1997 Paul Eggert <eggert@twinsun.com>
3994 * c-lex.c (yylex): Remove duplicate check on high bit before
3995 invoking int_fits_type_p.
3997 Sun Aug 3 16:44:41 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3999 * reload.c (find_equiv_reg): If goal is a pseudo that got memory, a
4000 store into memory makes it invalid. This was handled in the single
4001 set case, but missing in the PARALLEL case.
4003 Sun Aug 3 09:13:47 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4005 * expr.c (store_field): Return quickly if EXP is ERROR_MARK.
4007 * c-typeck.c (unary_complex_lvalue): Don't warn about COMPOUND_EXPR
4008 or COND_EXPR if FUNCTION_TYPE.
4010 * alpha.h (ASM_SPEC): Add -O0.
4012 * expr.h (clear_storage): Now returns rtx.
4013 (emit_block_move): Likewise; delete duplicate declaration.
4014 * expr.c (clear_storage, emit_block_move): Return address of
4015 dest if calling memset/memcpy.
4016 (expand_builtin, BUILT_IN_MEM{CPY,SET}): Return value from
4017 clear_storage or emit_block_move if present.
4019 * c-decl.c (start_function): Reset immediate_size_expand on
4022 Sat Aug 2 18:50:43 1997 Paul Eggert <eggert@twinsun.com>
4024 * tree.c (int_fits_type_p): Negative ints never fit unsigned
4025 types, and unsigned ints with top-bit-set never fit signed types.
4027 Sat Aug 2 16:25:43 1997 Per Bothner <bothner@frobnitz.gnu.ai.mit.edu>
4029 * Makefile.in (EXTRA_C_OBJS): Removed.
4030 (C_AND_OBJC_OBJS): New. Subsumes EXTRA_C_OBJS and OBJC_CCOMMON.
4031 * objc/Make-lang.in (OBJC_CCOMMON): Removed.
4033 Sat Aug 2 16:11:57 1997 Doug Evans <dje@cygnus.com>
4035 * configure.in: Build .gdbinit for top level build dir here.
4036 (AC_OUTPUT): Pass oldstyle_subdirs to configure.lang.
4037 * configure.lang: Fix building of .gdbinit for oldstyle lang subdirs.
4039 Sat Aug 2 13:48:15 1997 Ken Raeburn <raeburn@cygnus.com>
4041 * cse.c (cse_insn): Ignore paradoxical SUBREGs unless we are
4044 Sat Aug 2 13:25:33 1997 Tristan Gingold (gingold@email.enst.fr)
4046 * calls.c (expand_call): If -fcheck-memory-usage, use pseudo-register,
4047 check indirectly called function is executable, and set rights of
4048 memory for aggregate as write only.
4049 (store_one_arg): If -fcheck-memory-usage, set rights for pushed
4051 * c-decl.c (init_decl_processing): Add
4052 __builtin_aggregate_incoming_address.
4053 * explow.c (expr_size): Call expand_expr with appropriate flag.
4054 * expr.c (expand_builtin, case BUILT_IN_AGGREGATE_INCOMING_ADDRESS):
4056 (expand_assignment, expand_expr, emit_push_insn, store_expr):
4057 Insert calls to chkr_check_addr, chkr_set_right, and chkr_copy_bitmap
4058 when -fcheck-memory-usage.
4059 (get_push_address, get_memory_usage_from_modifier): New functions.
4060 * expr.h: Add expand_modifier flags.
4061 (chkr_*_libfunc): New decls.
4062 (memory_use_mode): New declaration.
4063 * flags.h (flag_check_memory_usage, flag_prefix_function_name): New
4065 * function.c (put_var_into_stack, assign_parms): If
4066 -fcheck-memory-usage, set the rights of pushed variable.
4067 * optabs.c (chkr_{check_addr,set_right}_libfunc): New definitions.
4068 (chkr_{copy_bitmap,check_exec}_libfunc): Likewise.
4069 (init_optabs): Initialize these chkr_*_libfunc.
4070 * stmt.c (expand_computed_goto): If -fcheck-memory-usage, check that
4071 computed address of a goto is executable.
4072 (expand_asm, expand_asm_operands): If -fcheck-memory-usage,
4073 disallow asm statements.
4074 * toplev.c (flag_check_memory_usage, flag_prefix_function_name): New
4076 (f_options): Add `check-memory-usage' and `prefix_function_name'.
4077 (main): Disable `-fomit-frame-pointer' if `-fcheck-memory-usage' is set
4078 and the machine can't debug without the frame pointer.
4079 * tree.h (built_in_function): Add BUILT_IN_AGGREGATE_INCOMING_ADDRESS.
4080 * varasm.c (make_function_rtl, make_decl_rtl): Add a prefix when
4081 flag_prefix_function_name_usage is set.
4082 (assemble_name): Strip the CHKR_PREFIX.
4083 * alpha.c (alpha_builtin_saveregs): If -fcheck-memory-usage,
4084 set rights of saved registers.
4085 * clipper.c (clipper_builtin_saveregs): Likewise.
4086 * m88k.c (m88k_builtin_saveregs): Likewise.
4087 * pa.c (hppa_builtin_saveregs): Likewise.
4088 * sparc.c (sparc_builtin_saveregs): Likewise.
4090 Sat Aug 2 08:01:12 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4092 * c-decl.c (grokdeclarator): Give error for `long double' and
4093 refine text of some error messages.
4095 * alpha.h (FLOAT_VALUE_TYPE, INTIFY, FLOATIFY, FLOAT_ARG_TYPE): Define.
4096 * i860.h (FLOAT_VALUE_TYPE): Fix typo; was FLOAT_TYPE_VALLUE.
4098 * calls.c (store_one_arg): Allow stack_slot to be SP in
4099 ARGS_GROW_DOWNWARD case.
4101 * c-decl.c (parmlist_tags_warning): Only suppress warning on
4104 * libgcc2.c (_trampoline): Rework last change; both getpagesize
4105 and mprotect are in cygwin32.
4107 * reload1.c (reload): Add IN_ADDR to IN_ADDR_ADDR when computing
4108 needs since they conflict.
4110 * print-rtl.c (indent): Move to file level; was static in print_rtx.
4111 (print_inline_rtx): New function.
4112 * reload.c (debug_reload): Rework to make output more compact.
4114 * dwarfout.c (output_compile_unit_die): Add support for Pascal.
4115 * dwarf2out.c (gen_compile_unit_die): Likewise.
4117 * c-typeck.c (lvalue_p, case BIND_EXPR, RTL_EXPR): Return 1 if array.
4119 * Makefile.in (OBJC_OBJC): Delete from here.
4121 * varasm.c (compare_constant_1, case STRING_CST): Compare TYPE_MODE.
4122 (record_constant_1, case STRING_CST): Record TYPE_MODE.
4124 * tree.c (contains_this_placeholder_p): Delete.
4125 (contains_placeholder_p): Now contains code from above function.
4126 (contains_placeholder_p, case 'r'): Don't look at offset info.
4127 * expr.c (expand_expr, case PLACEHOLDER_EXPR): Find innermost
4128 matching and don't check contains_placeholder_p.
4130 Fri Aug 1 17:15:07 1997 Per Bothner <bothner@cygnus.com>
4132 * objc/objc-act.c (lang_init): Don't check_newline #if USE_CPPLIB.
4133 * c-lex.c (lang_init): Remove (recently moved here).
4134 * c-lang.c (lang_init): Restore, but add #if !USE_CPPLIB.
4136 Fri Aug 1 11:26:45 1997 Jeffrey A Law (law@cygnus.com)
4138 * pa.c (pa_reorg): Explode ADDR_DIFF_VEC insns too.
4140 Thu Jul 31 19:37:22 1997 Ian Lance Taylor <ian@cygnus.com>
4142 * libgcc2.c (getpagesize): Don't compile if __CYGWIN32__.
4144 Thu Jul 31 16:04:42 1997 Stan Cox <coxs@dg-rtp.dg.com>
4146 * i386.c (output_to_reg, output_fix_trunc): Use scratch memory,
4147 if available, instead of dynamically extending the stack.
4148 (put_condition_code, print_operand): Added reverse_cc to reverse the
4149 comparison when $ah is accessed directly instead of using eflags
4151 * i386.md (*trunc*): Use scratch memory for output_fix_trunc.
4152 (movsicc_1, movhicc_1) Change alternative 3 to:
4153 jCC L1; mov; jmp L2; L1:mov; L2:
4154 (movsfcc, movdfcc, movxfcc): Force constant operands to memory.
4155 (movsfcc_1, movdfcc_1, movxfcc_1): Change alternative 3 as above.
4157 Thu Jul 31 16:04:42 1997 Jason Merrill <jason@yorick.cygnus.com>
4159 * i386.h (MAX_FIXED_MODE_SIZE): Define.
4161 Thu Jul 31 16:04:42 1997 Robert Lipe <robertl@dgii.com>
4163 * i386/sco5.h (SWITCHES_NEED_SPACES) Define.
4164 Required by the COFF (but not ELF) linker.
4166 Wed Jul 30 15:03:52 1997 Per Bothner <bothner@cygnus.com>
4168 * demangle.h (DMGL_JAVA): New option to request Java demangling.
4169 * cplus-dem.c: Various changes to produce Java output when passed
4170 DMGL_JAVA. Thus "::" becomes "." and "JArray<Foo>" becomes "Foo[]".
4171 (main): Support --java and -j flags to set DMGL_JAVA.
4173 Wed Jul 30 08:56:08 1997 Philip Blundell <Philip.Blundell@pobox.com>
4175 * configure.in (arm-*-*): Replace with arm-*-aout.
4176 * arm/aout.h (SET_ASM_OP): Define by default.
4177 * arm/riscix.h (SET_ASM_OP: Undefine.
4178 * arm.h (CPP_SPEC): Add %(subtarget_cpp_spec).
4179 (SUBTARGET_CPP_SPEC): New macro.
4180 * arm/linux.h: Include aout.h rather than arm.h directly.
4181 (TARGET_CPU_DEFAULT): Define.
4182 ({ASM,CPP}_SPEC): Remove.
4183 * arm/t-linux (MULTILIB_OPTIONS): Use -mapcs-NN instead of -mN.
4184 (LIB1ASMSRC): Use generic ARM version.
4185 (CROSS_LIBGCC1): Define.
4186 * arm/lib1funcs-linux.asm: Remove.
4188 Tue Jul 29 17:57:47 1997 Per Bothner <bothner@cygnus.com>
4190 * Add hooks for using autconf-style Makefile.in in language subdirs.
4191 * configure.in (all_outputs, oldstyle_subdirs): New variables.
4192 Pass all_outputs to AC_OUTPUT.
4193 * configure.lang: Only iterate over oldstyle_subdirs.
4195 * Patches to use cpplib with cc1 #if USE_CPPLIB.
4196 * configure.in (--enable-c-cpplib): New option.
4197 (extra_c_flags, extra_c_objs): New variables.
4198 * Makefile.in (EXTRA_C_OBJS): New variable.
4199 (INTERNAL_CFLAGS): Add @extra_c_flags@.
4200 (C_OBJS): Add $(EXTRA_C_OBJS).
4201 * c-lex.c (generally): Replace getc and ungetc by macros GETC and
4202 UNGETC. Avoid explicit references to finput.
4203 (yy_get_token): New function, that calls cpp_get_token.
4204 (init_parse): New function - calls init_lex.
4205 (finish_parse): New function (called by compile_file).
4206 (GET_DIRECTIVE_LINE): New macro wrapper replaces get_directive_line.
4207 (lang_init): Don't check_newline - already know main_input_filename.
4208 (handle_sysv_pragma): Remove FILE* parameter.
4209 * toplev.c (finput): Remove #if USE_CPPLIB.
4210 (compile_file): #if USE_CPPLIB don't open input file here,
4211 do it in cpp_start_read. Call init_parse instead of init_lex.
4212 At end, call finish_parse instead of fclose(finput).
4214 Mon Jul 28 15:48:29 1997 Brendan Kehoe <brendan@cygnus.com>
4216 * integrate.c (expand_inline_function): Use xmalloc instead of
4217 alloca for the LABEL_MAP.
4218 (save_for_inline_copying): Likewise.
4220 Mon Jul 28 11:22:16 1997 Jason Merrill <jason@yorick.cygnus.com>
4222 * toplev.c (compile_file): Also emit any deferred TREE_PUBLIC inlines.
4223 (rest_of_compilation): Use decl_printable_name instead of DECL_NAME
4224 to identify functions in the RTL dump files.
4226 * dwarf2out.c (add_location_or_const_value_attribute):
4227 leaf_renumber_regs_insn. Also eliminate_regs here.
4228 (add_AT_location_description): Not here. Don't emit anything
4229 for a variable that has been optimized away.
4230 (add_const_value_attribute): Likewise.
4232 * dwarfout.c (location_or_const_value_attribute):
4233 leaf_renumber_regs_insn. Also eliminate_regs here.
4234 (location_attribute): Not here.
4236 * stor-layout.c (layout_type): Fix ancient code to match ancient
4237 comment. Use mode of field for one-field structs.
4239 Sun Jul 27 12:09:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4241 * function.c (put_var_into_stack, trampoline_address): Treat
4242 inline_function_decl like current_function_decl.
4243 * expr.c (expand_expr, case LABEL_DECL): Likewise.
4244 (expand_expr, case SAVE_EXPR): Handle top-level SAVE_EXPR by
4245 moving into current function; abort if in incorrect context.
4246 * fold-const.c (fold_range_test, fold): Avoid making SAVE_EXPR
4249 * dwarfout.c (ASM_OUTPUT_SOURCE_FILENAME): Delete default value.
4251 * alpha.h (TARGET_SWITCHES): Add -mno-byte.
4253 * expr.c (get_inner_unaligned_p): Deleted.
4254 (expand_assignment): Remove special-case of constant array.
4255 (expand_expr, case ARRAY_REF): Likewise, and clean up remaining code.
4257 * explow.c (probe_stack_range): Do probing with loop if more
4258 than a small number.
4260 Fri Jul 25 15:42:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4262 * configure.in: Finish fixing calculation if default thread
4265 Fri Jul 25 15:30:09 1997 Doug Evans <dje@cygnus.com>
4267 * Makefile.in (native): Depend on config.h.
4268 (gcc.o): Depend on Makefile, not config.status.
4270 Fri Jul 25 10:56:50 1997 Jeffrey A Law (law@cygnus.com)
4272 * pa.c (pa_reorg): If TARGET_BIG_SWITCH, then do not explode
4273 ADDR_VEC insns. Slightly rework code which explodes ADDR_VEC
4275 * pa.h (TARGET_BIG_SWITCH): Define.
4276 (TARGET_SWITCHES): Add "big-switch" and "no-big-switch".
4277 (CASE_VECTOR_MODE): Use TI or DI depending on TARGET_BIG_SWITCH.
4278 (CASE_DROPS_THROUGH): Remove definition.
4279 (ASM_OUTPUT_ADDR_VEC_ELT): Rewrite to handle TARGET_BIG_SWITCH.
4280 (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
4281 * pa.md (casesi): Rework to avoid some potential long branch
4282 problems (also makes generated code faster!). Handle
4284 (casesi0): Corresponding changes.
4286 Fri Jul 25 08:36:47 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4288 * calls.c: (expand_call): If -fstack-check and temp needed
4289 for arg is too large, use alloca.
4290 * expr.c (expand_expr, case MODIFY_EXPR): Don't preexpand calls
4291 if LHS is an indirect via a constant pointer.
4293 Thu Jul 24 21:49:11 1997 Pat Rankin <rankin@eql.caltech.edu>
4295 * bitmap.c (bitmap_operation): Reset CURRENT on deferred deletion.
4297 Wed Jul 23 23:52:14 1997 Chris Smith <csmith@convex.hp.com>
4299 * convex.h (CHECK_FLOAT_VALUE): Fix OVERFLOW capitalization.
4301 Wed Jul 23 13:00:47 1997 Richard Earnshaw <rearnsha@cambridge.arm.com>
4303 * configure.in (arm-*-netbsd*): Fix typo setting tmake_file.
4305 Wed Jul 23 06:39:35 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4307 * configure.in (alpha*): Put quotes around MASK_GAS.
4309 Tue Jul 22 15:24:45 1997 Brendan Kehoe <brendan@cygnus.com>
4311 * tree.c (array_type_nelts): Make sure the domain of TYPE is set
4312 before we try to use it.
4314 Tue Jul 22 12:26:13 1997 Doug Evans <dje@cygnus.com>
4316 * sparc.c (gen_v9_scc): Handle early clobber of result.
4317 * sparc.md (seqdi_special): Don't clobber %xcc.
4318 (snedi_special, seqdi_special_trunc, snedi_special_trunc): Likewise.
4319 (snedi_zero, neg_snedi_zero, seqdi_zero, neg_seqdi_zero): Likewise.
4320 (snedi_zero_trunc, seqdi_zero_trunc): Likewise. Renamed from ..._sp64.
4321 (snedi_zero_trunc_sp32, seqdi_zero_trunc_sp32): Delete.
4323 * Makefile.in (Makefile): Pass xmake_file, tmake_file to
4325 (distclean): Delete Make-host, Make-target.
4326 * configure.in (host_overrides): Set to Make-host.
4327 (dep_host_xmakefile): Loop over all elements in host_make_file.
4328 (target_overrides): Set to Make-target.
4329 (dep_tmake_file): Loop over all elements in tmake_file.
4330 (configure.frag): Pass dep_host_xmake_file, dep_tmake_file.
4331 * configure.frag: New arguments xmake_files, tmake_files.
4332 Build Make-host, Make-target.
4334 Mon Jul 21 23:17:44 1997 Paul Eggert <eggert@twinsun.com>
4336 * objc/Make-lang.in, objc/Makefile.in: Comment out lines containing
4339 Mon Jul 21 14:05:46 1997 Doug Evans <dje@cygnus.com>
4341 * Makefile.in (Makefile): Depend on config.status instead
4343 (config.status): Depend on configure. Run config.status --recheck
4345 (cstamp-h.in): Use echo instead of touch.
4347 * reload1.c (reload_cse_mem_conflict_p): Restore handling of
4348 (mem:BLK const0_rtx) meaning all memory is clobbered.
4350 Mon Jul 21 06:20:10 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4352 * m68k.md (iorsi_zexthi_ashl16): Mark output operand as earlyclobber.
4354 Sun Jul 20 06:11:30 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4356 * configure.in (alpha*-*-*): Set cpu_type to alpha.
4357 Change "alpha-" to "alpha*-" in all entries.
4358 Set target_cpu_default for ev5 and ev56 systems.
4359 Use symbolic names for target_cpu_default.
4360 * alpha.c (override_options): Set default for alpha_cpu
4361 from TARGET_CPU_DEFAULT.
4362 * alpha.h (MASK_CPU_EV5): New macro.
4364 * tree.c (contains_placeholder_p): Call contains_this_placeholder_p.
4365 (contains_this_placeholder_p): Renamed from contains_placeholder_p.
4367 Rework to make more consistent, check more codes, and avoid
4369 * expr.c (expand_expr, case PLACEHOLDER_EXPR): Pick outermost
4370 object in placeholder_list of right type without a PLACEHOLDER_EXPR.
4372 Sat Jul 19 18:00:01 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4374 * alpha.c (override_options): Allow processor of ev56 or 21164a.
4375 (input_operand, case MEM): Correct test involving TARGET_BYTE_OPS.
4376 * alpha.h (SECONDARY_{IN,OUT}PUT_RELOAD_CLASS): Don't need for
4377 QImode or HImode if TARGET_BYTE_OPS.
4378 (ASM_FILE_START): Write a .arch directive.
4379 (STACK_CHECK_BUILTIN): New macro.
4380 * alpha.md ({zero_,}extend[qh]i[dsh]i2): Rework TARGET_BYTE_OPS cases.
4381 (mov[hq]i): Likewise.
4382 (extend[qh]i[hsd]i2x): Add missing cases and fix typo in constraint.
4383 (reload_{in,out}[qh]i): Disable for TARGET_BYTE_OPS.
4385 Fri Jul 18 23:24:57 1997 Jason Merrill <jason@yorick.cygnus.com>
4387 * varasm.c (make_decl_rtl): Don't use ASM_FORMAT_PRIVATE_NAME for
4388 local decls with TREE_PUBLIC set.
4389 (bc_make_decl_rtl): Likewise.
4391 Fri Jul 18 22:16:28 1997 Doug Evans <dje@cygnus.com>
4393 * configure.in: Invoke AC_CONFIG_HEADER.
4394 Check for string.h, strings.h, stdlib.h, time.h, unistd.h.
4395 Check for whether malloc/realloc/free need to be declared.
4396 (links): Rename config.h to config2.h.
4397 (AC_OUTPUT): Create cstamp-h.
4398 * Makefile.in (config.in,cstamp-h.in): Add rules for.
4399 (config.h,cstamp-h): Add rules for.
4400 (distclean): Delete config2.h, cstamp-h.
4401 (ALL_CFLAGS): Add @DEFS@.
4402 * aclocal.m4, acconfig.h: New files.
4404 * Makefile.in (distclean): Delete Make-host, Make-target.
4405 * configure.in (host_overrides): Set to host_xmake_file, don't create
4407 (target_overrides): Set to tmake_file, don't create Make-target.
4408 (language subdir support): Keep together.
4410 * c-decl.c (duplicate_decls): Set DECL_ABSTRACT_ORIGIN to olddecl
4411 if inline function and not new definition.
4413 * configure.in: Don't loop trying to configure language subdirs.
4414 Don't pass to configure.lang variables it doesn't use.
4415 * configure.lang: Delete top level directory from loop.
4416 Delete code not useful for language subdirs.
4418 Fri Jul 18 08:12:53 1997 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
4420 * toplev.c (rest_of_compilation): Call reload_cse_regs here.
4421 * reload1.c (reload): Don't call it here.
4422 (reload_cse_mem_conflict_p): Remove MEM_OFFSET and MEM_MODE args.
4423 (reload_cse_mem_conflict_p, case MEM): Call anti_dependence.
4424 (reload_cse_invalidate_mem): Update call to reload_cse_mem_conflict_p.
4425 (reload_cse_regs): No longer static.
4426 Call init_alias_analysis.
4427 Ignore CLOBBER in a PARALLEL.
4429 Fri Jul 18 06:44:22 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4431 * objc/Make-lang.in (objc-headers): Fix command for the new build
4432 directory layout, don't pass srcdir variable.
4433 * objc/Makefile.in (copy-headers): Use $(srcdir) from this
4434 makefile, not the parent's.
4436 Thu Jul 17 16:03:03 1997 Doug Evans <dje@cygnus.com>
4438 * configure.lang (EXTRA_HEADERS,EXTRA_PASSES,EXTRA_PARTS): Delete.
4439 (EXTRA_PROGRAMS,EXTRA_OBJS,EXTRA_GCC_OBJS,MD_DEPS): Delete.
4440 (version) Delete duplicate entry.
4441 * configure.in (merged_frags): Delete unused variable.
4442 (extra_headers_list): Move setting outside of subdir loop.
4443 (extra_headers,extra_passes): Don't pass to configure.lang.
4444 (extra_programs,extra_parts,extra_objs): Likewise.
4445 (host_extra_gcc_objs,gxx_include_dir,md_cppflags): Likewise.
4447 Thu Jul 17 07:00:43 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4449 * expr.h (STACK_CHECK_*): Provide default values.
4450 (probe_stack_range): New declaration.
4451 * flags.h (flag_stack_check): Likewise.
4452 * explow.c (allocate_dynamic_stack_space): Call probe_stack_range.
4453 (emit_stack_probe, probe_stack_range): New functions.
4454 * function.c (expand_function_end): If function is non-leaf and stack
4455 checking is requested, emit needed probes.
4456 * reload1.c (reload): If checking stack, verify frame small enough.
4457 * stmt.c (expand_decl): If stack checking, use alloca for large vars.
4458 * toplev.c (flag_stack_check): New variable.
4459 (f_options): Add "stack-check".
4461 * reorg.c (mark_target_live_regs): Pass FIRST_PSEUDO_REGISTER to
4462 call to EXECUTE_IF_SET_IN_REG_SET.
4464 Wed Jul 16 14:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
4466 * i960.h (ASM_OUTPUT_ALIGNED_BSS): Define.
4467 (ASM_OUTPUT_ALIGNED_LOCAL): Use standard method to convert ALIGN
4468 to power-of-two of bytes.
4470 * sparc.h (ASM_OUTPUT_ALIGNED_BSS): Define.
4471 * sparc/sysv4.h (ASM_OUTPUT_ALIGNED_BSS): Undef before definition.
4473 Wed Jul 16 14:34:09 1997 Klaus Espenlaub (kespenla@hydra.informatik.uni-ulm.de)
4475 * calls.c (emit_library_call_value): Initialize all argvec elements.
4477 Wed Jul 16 14:31:39 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4479 * global.c (global_conflicts): Pass FIRST_PSEUDO_REGISTER to
4480 call to EXECUTE_IF_SET_IN_REG_SET.
4482 Wed Jul 16 10:57:03 1997 Richard Earnshaw (rearnsha@cambridge.arm.com)
4484 * From Rob Black (r.black@ic.ac.uk) and Mark Brinicombe
4485 (amb@physig.ph.kcl.ac.uk):
4486 * configure.in (arm-*-netbsd*): New configuration.
4487 * arm/netbsd.h, arm/t-netbsd, arm/xm-netbsd.h: New files.
4489 Wed Jul 16 10:57:03 1997 Richard Earnshaw (rearnsha@cambridge.arm.com)
4491 * arm.c (tune_flags): New variable.
4492 (target_{cpu,fpe}_name): Delete.
4493 (arm_fpu_arch): New variable.
4494 (arm_select): Also allow -march=... to configure just the
4496 (all_procs): Allow armv{2,2a,3,3m,4,4t} for use with -march=.
4497 (arm_override_options): Handle -march=, but don't let -mcpu=
4498 and -mtune= match the architecture names, since we can only
4499 tune for an implementation. Rework selection of tuning options
4501 (use_return_insn): Support interworking with Thumb code.
4502 (arm_rtx_costs): Rework multiply costs so that cost is based on
4503 the tune, not the architecture.
4504 (f_register_operand): New function.
4505 (output_return_instruction): Support interworking with Thumb code.
4506 (output_func_epilogue): Support interworking with Thumb code.
4507 Remove redundant calculation of code_size. Use floating-point
4508 load-multiples if permitted.
4509 (emit_sfm): New function.
4510 (arm_expand_prologue): Use floating-point store-multiples if
4513 * arm.h (CPP_CPU_ARCH_SPEC): Handle -march=...
4514 (TARGET_OPTIONS): Add arch= and fp=. Delete fpe=.
4515 (enum processor_type): Add PROCESSOR_NONE, for use in all_procs table.
4516 (FP_DEFAULT): Default floating point architecture for generic
4518 (PREDICATE_CODES): Add f_register_operand.
4520 * arm.md (*push_fp_multi): New pattern.
4523 Tue Jul 15 22:08:47 1997 Jim Wilson <wilson@cygnus.com>
4525 * Makefile.in (exeext): Set to build_exeext not exeext.
4526 * configure.in (exeext): Delete redundant set and AC_SUBST call.
4527 Change remaining AC_SUBST to use build_exeext instead of exeext.
4529 Tue Jul 15 15:48:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4531 * configure.in: Fix calculation if default thread support is enabled.
4533 Tue Jul 15 13:38:46 1997 Mike Meissner <meissner@cygnus.com>
4535 * rtl.h (replace_regs): Declare.
4537 Mon Jul 14 16:18:19 1997 Jason Merrill <jason@yorick.cygnus.com>
4539 * i960.h (ASM_OUTPUT_MI_THUNK): Define.
4541 * dwarf2out.c (gen_subprogram_die): Remove unreachable and redundant
4544 Mon Jul 14 14:22:45 1997 Jeffrey A Law (law@cygnus.com)
4546 * calls.c (emit_library_call): Use right index into argvec array
4547 when iterating over arguments which need to be pushed on the stack.
4548 (emit_library_call_value): Likewise.
4550 Mon Jul 14 08:17:41 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4552 * gcc.c (convert_filename): Fix typo.
4554 Mon Jul 14 08:10:12 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4556 * configure.in: Clear headers and lib2funcs before re-reading
4559 * m68k/linux.h (LINK_SPEC): Fix last change.
4561 Mon Jul 14 08:03:38 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4563 * configure.in (sparc-*-linux-gnu{*,libc1*}): Add sparc/t-linux.
4564 * sparc/t-linux: New file.
4566 * alpha/elf.h (LINK_SPEC): Fix typo.
4567 * configure.in (alpha-*-linux-gnu*): Set tmake_file.
4568 * alpha/t-linux: New file.
4570 Mon Jul 14 07:41:37 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
4572 * m68k.c (output_{and,ior,xor}si3): New functions from patterns bodies.
4573 * m68k.h (output_{and,ior,xor}si3): New extern declarations.
4574 * m68k.md (adddi3, subdi3): Allow constant operand.
4575 (anddi3, iordi3, xordi3): New patterns.
4576 ({and,ior,xor}si3_internal): Use corresponding output_???si3 function.
4578 Mon Jul 14 07:33:11 1997 Fila Kolodny <fila@ibi.com>
4580 * configure.in (*-*-gnu*): Add crt{begin,end}S.o to extra_parts.
4582 Mon Jul 14 07:26:36 1997 Craig Burley <burley@gnu.ai.mit.edu>
4584 * varasm.c (assemble_variable): If low part of size
4585 doesn't fit in an int, variable is too large.
4587 Mon Jul 14 06:51:37 1997 Mike Meissner <meissner@cygnus.com>
4589 * bitmap.{h,c}: New files.
4590 * Makefile.in (OBJS): Add bitmap.o.
4591 (BASIC_BLOCK_H): New make variable for basic-block.h, bitmap.h.
4592 ({flow,combine,regclass,local-alloc,reload1,reorg,sched}.o): Use
4593 BASIC_BLOCK_H variable instead of basic-block.h.
4594 * basic-block.h (*REG_SET): Delete old implementation; use bitmap.h.
4595 (regset_{size,bytes}): Delete.
4596 (regs_live_at_setjmp): Declare.
4597 (EXECUTE_IF_SET_AND_RESET_IN_REG_SET): Delete.
4598 * flow.c (init_regset_vector): Make global; don't take basic block
4599 times # of pseduos as argument.
4600 (life_analysis): Change all init_regset_vector calls.
4601 Use free_regset_vector to release arrays only flow uses at end.
4602 (allocate_for_life_analysis): Change init_regset_vector call.
4603 Don't set regset_{size,bytes}.
4604 (free_regset_vector): Call FREE_REG_SET to release any
4605 memory allocated by each vector.
4606 (propagate_block): Call FREE_REG_SET on dead/live.
4607 (mark_used_regs): Don't use REGSET_ELT_TYPE anymore.
4608 * output.h (allocate_for_life_analysis): Add declaration.
4609 (regno_uninitialized, regno_clobbered_at_setjmp): Likewise.
4610 (dump_flow_info, flow_analysis): Likewise.
4611 * regclass.c (init_reg_sets): Invoke INIT_ONCE_REG_SET.
4612 (allocate_reg_info): Invoke MAX_REGNO_REG_SET.
4613 (regset_release_memory): Free basic_block_live_at_start storage.
4614 * reorg.c (mark_target_live_regs): Delete unused variables.
4615 * sched.c (schedule_block): Free space associated with
4616 reg_pending_sets and old_live_regs.
4617 (schedule_insns): Free bb_{dead,live}_regs on first pass.
4618 (sched_analyze_insn): Use EXECUTE_IF_SET_IN_REG_SET and then clear.
4619 * toplev.c (rest_of_compilation): Call regset_release_memory.
4621 Mon Jul 14 00:14:13 1997 Jason Merrill <jason@yorick.cygnus.com>
4623 * toplev.c (main): Prefer DWARF 2 or stabs with -ggdb.
4624 * ns32k/tek6000.h (PREFERRED_DEBUGGING_TYPE): DBX_DEBUG.
4625 * alpha.h (PREFERRED_DEBUGGING_TYPE): SDB_DEBUG.
4626 * mips.h (PREFERRED_DEBUGGING_TYPE): SDB_DEBUG.
4628 Sun Jul 13 15:11:08 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4630 * stupid.c (stupid_mark_refs): If setting reg set only in this
4631 insn and not referenced, make REG_UNUSED note.
4633 Sun Jul 13 14:03:19 1997 Michael Meissner <meissner@cygnus.com>
4635 * gcc.c (process_command): If -save-temps and -pipe were specified
4636 together, don't do -pipe.
4638 Sun Jul 13 12:27:03 1997 Doug Evans <dje@cygnus.com>
4640 * gcc.c (main): Handle blank in version_string when comparing
4641 with compiler_version.
4643 Sat Jul 12 01:53:55 1997 Jason Merrill <jason@yorick.cygnus.com>
4645 * sparc.c (output_function_prologue): Fix offset from CFA.
4646 (sparc_flat_output_function_prologue): Likewise.
4648 Fri Jul 11 09:49:15 1997 Jeffrey A Law (law@cygnus.com)
4650 * mips.c (epilogue_reg_mentioned_p): Delete unused function.
4651 (mips_epilogue_delay_slots): Likewise.
4652 (function_epilogue): Greatly simplify.
4653 (mips_expand_epilogue): If we have a null prologue/epilogue,
4654 then use a normal return insn. Emit blockage insns before
4655 stack pointer adjustments.
4656 (mips_can_use_return_insn): Renamed from simple_epilogue_p. All
4657 callers changed. Do not use return insns if $31 is live in the
4658 function or if generating profiling information.
4659 * mips.h (DELAY_SLOTS_FOR_EPILOGUE): Delete.
4660 (ELIGIBLE_FOR_EPILOGUE_DELAY): Likewise.
4661 * mips.md (return): Remove expander and change the pattern to
4662 look like a standard "return" insn.
4663 (return_internal): Show use of $31 explictly.
4664 (epilogue expander): Enable.
4666 Thu Jul 10 13:04:53 1997 Doug Evans <dje@cygnus.com>
4668 * cccp.c (INO_T_EQ): Return 0 for MSDOS.
4670 * Makefile.in (CC): Use autoconf value.
4672 Tue Jul 8 18:08:00 1997 Jim Wilson <wilson@cygnus.com>
4674 * dwarf2out.c (gen_subprogram_die): When handling declarations, test
4675 DECL_CONTEXT not decl_class_context before equate_decl_number_to_die.
4677 Tue Jul 8 16:47:13 1997 Michael Meissner <meissner@cygnus.com>
4679 * rs6000.md (movsi define_split): Use unsigned HOST_WIDE_INT,
4682 Sat Jul 7 00:01:41 1997 Jim Meyering <meyering@eng.ascend.com>
4684 * i386/t-sol2 (crt[1in].o): Also depend on $(GCC_PASSES).
4686 Fri Jul 4 11:45:39 1997 Jason Merrill <jason@yorick.cygnus.com>
4688 * dwarf2out.c (DWARF_CIE_HEADER_SIZE, DWARF_FDE_HEADER_SIZE,
4689 size_of_cfi, size_of_fde, calc_fde_sizes, next_fde_offset,
4691 (ASM_OUTPUT_DWARF_STRING): Move earlier.
4692 (INCOMING_FRAME_SP_OFFSET): Provide default.
4693 (initial_return_save): Adjust for CFA offset.
4694 (dwarf2out_frame_debug): Lookup initial CFA offset when setting up.
4695 (output_call_frame_info): Use label subtraction for length fields.
4696 Add pointer to exception region information in for_eh case.
4697 (dwarf2out_do_frame): New fn.
4698 (dwarf2out_frame_init): Use INCOMING_FRAME_SP_OFFSET.
4699 (dwarf2out_frame_finish): Don't bother emitting .debug_frame for
4700 non-Irix targets. Just emit .eh_frame.
4701 (output_die): Refer to an FDE with label subtraction.
4702 * i386.h (INCOMING_FRAME_SP_OFFSET): Define.
4703 * defaults.h (DWARF2_UNWIND_INFO): Define if
4704 INCOMING_RETURN_ADDR_RTX is provided.
4705 * final.c (final): Don't call dwarf2out_frame_debug unless we are
4708 Thu Jul 3 17:37:52 1997 Jim Wilson <wilson@cygnus.com>
4710 * fp-bit.c (unpack_d): Check fraction not sign to distinquish QNaN.
4712 Wed Jul 2 09:48:03 1997 Michael Meissner <meissner@cygnus.com>
4714 * loop.c (strength_reduce): Make sure register does not exceed the
4715 table size when looking up the last UID.
4717 Wed Jul 2 07:47:44 1997 Nick Burrett <n.a.burrett@btinternet.com>
4719 * genoutput.c (process_template): Place increment expression
4720 outside of putchar function call.
4722 Wed Jul 2 06:56:52 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4724 * sparc/linux.h (LIBGCC_SPEC): Removed.
4725 (CC1_SPEC): Add %{profile:-p}.
4726 ({CPP,LIB,LINK}_SPEC): Choose glibc 1 or 2 depending on USE_GNULIBC_1.
4727 * configure.in (sparc-*-linux-gnulibc1*): New configuration.
4729 * configure.in (powerpc-*-linuxgnu*): Default thread_file is posix.
4730 Set xmake_file to x-linux. Add extra_parts.
4731 * rs6000/linux.h (LINK_SPEC): Defined.
4733 * m68k/linux.h (LINK_SPEC): Pass -shared for -shared.
4734 ({CPP,LINK}_SPEC): Choose for glibc 1 or 2 depending on USE_GNULIBC_1.
4735 * configure.in (m68k-*-linux-gnu*): Default thread_file is `posix'.
4736 (m68k-*-linux-gnulibc1): New configuration.
4738 * alpha/elf.h (LINK_SPEC): Change ld-gnu.so.1 to ld-linux.so.2.
4739 * configure.in (alpha-*-linux-gnu*): Default thread_file is `posix'.
4741 Wed Jul 2 06:12:37 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4743 * alpha.md (divsi3, modsi3, udivsi3): Comment out.
4744 (extendsfsd2_no_tp): Add alternative with output in MEM, input in REG.
4746 * configure.in (*-linux*): Add "-gnu" to names to match.
4748 * libgcc2.c (_trampoline): Add stdcall attribute to VirtualProtect
4751 * objc/objc.gperf: Renamed from gperf.
4753 Wed Jul 2 05:42:19 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4755 * objc/Make-lang.in ($(srcdir)/objc/objc-parse.c): Fix command
4756 to use the right file names.
4758 Tue Jul 1 23:25:42 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4760 * reorg.c (redundant_insn): If INSN or possible match has REG_UNUSED
4761 note, don't have match.
4763 Tue Jul 1 18:36:24 1997 Doug Evans <dje@cygnus.com>
4765 * mips.c (mips_output_external): Don't output .extern's for
4766 variables in user specified sections unless they're .sbss/.sdata.
4768 Tue Jul 1 18:30:26 1997 Jim Wilson <wilson@cygnus.com>
4770 * cse.c (find_best_addr): Add missing rtx_cost arguments.
4772 * fp-bit.c (float_to_usi): Move code for negative numbers before code
4773 for infinity. Modify infinty code to only handle positive infinities.
4775 Tue Jul 1 11:16:41 1997 Robert Lipe <robertl@dgii.com>
4777 * fixinc.sco: Restore pwd after copy.
4778 Convert declaration of abs in math.h to prototype.
4779 Fix static functions in sys/stat.h for C++.
4781 Tue Jul 1 10:55:47 1997 Michael Meissner <meissner@cygnus.com>
4783 * rs6000.md ({add,ior,xor}si3): Change to use define_expand wrapper
4784 and split add/ior/xor of large constants early.
4785 (andsi3): Remove 6/29 code to do and of large constants.
4786 (nor, nand, eqv, maskir): Add names to all logical define_insns.
4788 Tue Jul 1 09:03:35 1997 Jeffrey A Law (law@cygnus.com)
4790 * h8300.h (BIGGEST_FIELD_ALIGNMENT): Remove definition.
4791 * mips.h (BIGGEST_FIELD_ALIGNMENT): Likewise.
4793 Mon Jun 30 14:58:00 1997 Jeffrey A Law (law@cygnus.com)
4795 * sh.c (sh_expand_epilogue): Emit blockage insn before cutting
4798 Sun Jun 29 11:27:07 1997 Michael Meissner <meissner@cygnus.com>
4800 * rs6000.h (TARGET_FLAGS): Add -m{,no-}update to suppress
4801 creating load/store with update instructions, and also
4802 -m{,no-}fused-madd to suppress the generation of fused add and
4803 multiply instructions. Move debug flags to TARGET_OPTIONS.
4804 (GO_IF_LEGITIMATE_ADDRESS): Don't allow PRE_{INC,DEC} if -mno-update.
4805 (GO_IF_MODE_DEPENDENT_ADDRESS): Ditto.
4806 (rs6000_debug_{name,stack,arg}): Add declarations.
4807 (toc_initialized): Likewise.
4808 (got_no_const_operand): Likewise.
4809 (PREDICATE_CODES): Add got_no_const_operand.
4810 (toc_section): Make toc_initialized a global.
4811 (RTX_COSTS): Set appropriate costs for add, logical operators that
4812 are really two instructions.
4814 * rs6000.c (rs6000_debug_{name,stack,arg}): Add definitions.
4815 (rs6000_override_options): Process debug flags.
4816 (toc_initialized): Global to say toc initialized.
4817 (small_data_operand): Use #if TARGET_ELF, not #ifdef TARGET_SDATA.
4818 (rs6000_init_expanders): Likewise.
4819 (SMALL_DATA_RELOC): Likewise.
4820 (got_no_const_operand): Recognize SYMBOL_REF and LABEL_REF.
4821 (rs6000_makes_calls): System V profiling doesn't count as a call.
4822 (rs6000_stack_info): Likewise.
4823 (rs6000_output_load_toc_table): Take register number argument to
4824 determine register to load. Generate correct code if more than
4825 one toc table is done in System V due to profiling or non-local
4826 gotos. If System V toc is not initialized, initialize it now.
4827 (rs6000_allocate_stack_space): Move code from output_prolog to
4828 allocate stack space. Take -mno-update into account.
4829 (output_prolog): Call rs6000_allocate_stack_space. Only set
4830 rs6000_pic_func_labelno if not profiling.
4831 (output_function_profiler): Implement System V profiling.
4832 (and_operand): Don't call reg_or_short_operand.
4833 (rs6000_finalize_pic): If not optimizing, insert a USE of the GOT
4834 register as the last insn.
4836 * rs6000.md (load/store update): Take -mno-update into account.
4837 If -msoft-float, support SF load/store with update to GPR regs.
4838 (allocate_stack): Take -mno-update into account.
4839 (add/subtract + multiply instructions): Take -mno-fused-madd into
4841 (nonlocal_goto_receiver): Specify register # to load.
4842 ({add,and,ior,xor}si3): Recognize operation done with full 32 bit
4843 constant, splitting latter if need be.
4844 (andsi3 define_split): Fix up splitting andsi3 of large constant.
4845 ({ior,xor}si3 define_split): Use GEN_INT to create integer rtx
4847 (movsi_got{,_internal}): Split the load of a CONST into load of
4848 the SYMBOL_REF/LABEL_REF and an add.
4849 (movsi): Know that addsi3 can handle large values now for NT.
4851 * sysv4.h (TARGET_SDATA): Remove explicit bit for -msdata.
4852 (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
4853 (ASM_OUTPUT_ALIGNED_LOCAL): Likewise.
4854 (SUBTARGET_SWITCHES): Indicate -m{,no-}sdata doesn't set any flags.
4855 (ASM_SPEC): Only pass -m{,no-}reg-names if assembling .s/.S files.
4856 (CC1_SPEC): If -msdata, invoke compiler with -msdata=default.
4857 (PROFILE_BEFORE_PROLOGUE): Likewise.
4858 (RS6000_MCOUNT): Define as "_mcount".
4859 (toc_section): Make toc_initialized a global.
4861 Fri Jun 27 19:01:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4863 * config/t-linux-gnulibc1: New file.
4864 * configure.in (i[3456]86-*-linux*): Default thread_file is `posix'.
4865 (i[3456]86-*-linux*gnulibc1): New case.
4866 * config/linux.h (LIB_SPEC): Choose for glibc 1 or 2 depending
4868 * i386/linux.h (CPP_SPEC, LINK_SPEC): Likewise.
4870 Fri Jun 27 19:00:52 1997 Ralf Baechle <ralf@waldorf-gmbh.de>
4872 * config/linux.h (PREFERRED_DEBUGGING_TYPE): Undefine before define.
4874 Fri Jun 27 18:35:04 1997 Alan Modra <alan@spri.levels.unisa.edu.au>
4876 * configure.in: Clean up Make-{host,target,hooks} in all
4877 subdirs, not just '.'.
4878 * Makefile.in (distclean): Delete */Make-{host,target,lang,hooks}.
4880 Fri Jun 27 18:27:11 1997 Fila Kolodny <fila@ibi.com>
4882 * config/xm-gnu.h (fcntl.h): Only include if not building libgcc.a.
4884 Fri Jun 27 18:17:44 1997 Doug Evans <dje@cygnus.com>
4886 * configure.frag: Rewrite.
4888 * objc/Make-lang.in (OBJC_CCOMMON): Object files don't go in srcdir.
4889 (OBJC_OBJS): Likewise.
4891 (objc-parse.o, objc-act.o): Fix rules.
4892 (objc/libobjc files): Fix rules.
4894 Fri Jun 27 13:23:38 1997 Andrew Cagney <cagney@tpgi.com.au>
4896 * fp-bit.c (float_to_si): Correct return value when Inf.
4898 Fri Jun 27 10:47:09 1997 Scott Christley <scottc@net-community.com>
4900 * Makefile.in (DLLTOOL): Define.
4901 * objc/Make-lang.in (libobjc_entry.o, libobjc_s.a, libobjc.dll):
4903 (objc.install-normal): Install Objective-C runtime as a DLL.
4904 (objc.mostlyclean): Clean up files used to build DLL.
4905 * objc/libobjc.def: New file.
4906 * objc/libobjc_entry.c: New file.
4908 * objc/sendmsg.c (search_for_method_in_list): No longer static.
4910 * Makefile.in (GCC_THREAD_FILE): Renamed from OBJC_THREAD_FILE.
4911 * configure.lang (GCC_THREAD_FILE): Likewise.
4912 * configure.in (--enable-threads): New parameter.
4913 * objc/Make-lang.in (OBJC_THREAD_FILE): New definition.e
4914 * objc/config-lang.in: Print message about ObjC thread file.
4916 * cccp.c (INO_T_EQ): Define for Win32 but not Cygwin32.
4917 * i386/mingw32.h: New file.
4918 * i386/xm-mingw32.h: New file.
4919 * configure.in (i[3456]86-*-mingw32): New target.
4920 * protoize.c (link): Eliminate definition on Win32.
4922 * objc/thr-posix.c (__objc_thread_yield): Use sched_yield instead.
4924 Fri Jun 27 10:36:41 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
4926 * stor-layout.c (layout_record, PCC_BITFIELD_TYPE_MATTERS):
4927 Round up when calculating possible end address.
4929 Wed Jun 25 19:54:29 1997 Jim Wilson <wilson@cygnus.com>
4931 * unroll.c (final_giv_value): Verify that bl->initial_value is
4932 invariant before trying to use it.
4934 Wed Jun 25 18:13:05 1997 Michael Meissner <meissner@cygnus.com>
4936 * rs6000/sysv4.h (WCHAR_TYPE{,_SIZE}): Make wchar_t long as per
4939 Wed Jun 25 16:56:16 1997 Jason Merrill <jason@yorick.cygnus.com>
4941 * sparc.h (INCOMING_RETURN_ADDR_RTX): Define.
4942 (DBX_REGISTER_NUMBER): Fix frame pointer regno for -mflat.
4943 * sol2.h (DBX_REGISTER_NUMBER): Likewise.
4944 * sparc.c (save_regs): Emit dwarf2 frame debug info.
4945 (output_function_prologue, sparc_flat_save_restore,
4946 sparc_flat_output_function_prologue): Likewise.
4948 * dwarf2.h (enum dwarf_call_frame_info): Add DW_CFA_GNU_window_save.
4949 * dwarf2out.c (dwarf_cfi_name, output_cfi): Support it.
4950 (dwarf2out_cfi_label): Make non-static.
4951 (initial_return_save): Support PLUS.
4952 (dwarf2out_window_save, dwarf2out_return_save,
4953 dwarf2out_return_reg): New fns.
4955 * dwarf2out.c (SECTION_FORMAT): Use PUSHSECTION_FORMAT, if defined.
4956 (DEBUG_INFO_SECTION): Rename from DEBUG_SECTION.
4957 (DEBUG_LINE_SECTION): Rename from LINE_SECTION.
4958 * mips/iris6.h: Likewise.
4960 Wed Jun 25 16:25:41 1997 Scott Christley <scottc@net-community.com>
4962 * Makefile.in (GCC_PASSES): Don't define with $(exeext).
4963 * configure.in ({cc,stage_prefix}_set_by_configure): Eliminate extra
4964 comma and don't pass value to configure.lang.
4965 * objc/Make-lang.in (objc-runtime): Add objc-headers.
4967 * configure.in: Execute configure.frag in a shell.
4969 * configure.in (cross_overrides, build_overrides): Default to
4970 /dev/null to help platforms where sed cannot handle empty filenames.
4972 * Reorganize thread implementation to make a clearly defined
4973 front-end/back-end interface.
4974 * objc/thr-{decosf1,irix,mach,os2,posix,pthreads,single}.c: Completely
4975 rework according to new interface.
4976 * objc/thr-{solaris,win32}.c: Likewise.
4977 * objc/thr.c: Likewise.
4978 * objc/thr.h: Define front-end/back-end interface functions and
4981 Wed Jun 25 16:14:10 1997 Ovidiu Predescu <ovidiu@net-community.com>
4983 * Complete implementation of +load.
4984 * objc/init.c (objc_send_load): New function.
4985 (objc_class_tree): New structure.
4986 (create_tree_of_subclasses_inherited_from): New function.
4987 (__objc_tree_insert_class): New function.
4988 (objc_tree_insert_class): New function.
4989 (objc_preorder_traverse): New function.
4990 (objc_postorder_traverse): New function.
4991 (__objc_tree_print): New function.
4992 (__objc_destroy_class_tree_node): New function.
4993 (class_is_subclass_of_class): New function.
4994 (__objc_exec_class): Allocate class tree list and load hash table.
4995 (__objc_send_message_in_list): Rewrite using hash table.
4996 (__objc_send_load): Remove calls to _objc_load_callback.
4997 (objc_send_load): Make static. Create Tree of classes resembling
4998 class hierarchy for all modules. Call __objc_send_load on all of
4999 the modules in __objc_module_list.
5000 (__objc_create_classes_tree): New function.
5002 * objc/encoding.h (method_get_sizeof_arguments): Fix typo.
5003 * objc/objc-api.h (OBJC_ERR_BAD_STATE): New error code.
5004 On NeXT redefine object_copy and object_dispose to avoid
5005 a conflict with those defined in system library.
5006 * objc/selector.c (__objc_register_instance_methods_to_class): New
5008 * objc/runtime.h: Likewise. Add missing function prototypes.
5010 Wed Jun 25 15:09:01 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5012 * Makefile.in (Makefile): Execute configure.frag from srcdir.
5014 * Makefile.in (configure): Target is $(srcdir)/configure.
5016 Tue Jun 24 15:18:14 1997 Jim Wilson <wilson@cygnus.com>
5018 * m68k.h (LIMIT_RELOAD_CLASS): Define.
5020 * recog.c (constrain_operands): When checking earlyclobbers, use
5021 operands_match_p instead of rtx_equal_p.
5023 * dwarfout.c (field_byte_offset): Check for object_offset_in_bits
5024 greater than bitpos_int and recompute object_offset_in_bytes if true.
5026 * mips.md (movdi_internal): Add x/J alternative.
5027 (movdi_internal2): Add x/J alternative; change a/I to a/J.
5028 (movsi_internal1, movsi_internal2): Change x/I alternative to x/J.
5030 Tue Jun 24 08:49:56 1997 Jeffrey A Law (law@cygnus.com)
5032 * pa.h (ASM_OUTPUT_SECTION_NAME): Fix typo.
5034 Mon Jun 23 22:48:00 1997 Jim Wilson <wilson@cygnus.com>
5036 * unroll.c (find_splittable_givs): Set splittable_regs_updates to
5037 biv_count for reduced givs.
5039 Mon Jun 23 10:51:53 1997 Jeffrey A Law (law@cygnus.com)
5041 * mn10200.c, mn10200.h, mn10200.md: New files for mn10200 port.
5042 * lib1funcs.asm, divmod.c, udivmod.c, udivmodsi4.c: Likewise.
5043 * t-mn10200, xm-mn10200.h, va-mn10200.h: Likewise.
5044 * Makefile.in (USER_H): Add va-mn10200.h.
5045 * varargs.h, stdarg.h: Include va-mn10200.h.
5046 * configure.in (mn10200-*-*): New target.
5048 Sun Jun 22 06:47:19 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5050 * combine.c (force_to_mode): Don't do anything for ASM_OPERANDS insn.
5052 Sun Jun 22 06:29:28 1997 J. Kean Johnston <jkj@sco.com>
5054 * ginclude/stdarg.h: Protect va_list definition from SCO headers.
5055 * ginclude/varargs.h: Likewise.
5057 Sat Jun 21 20:56:23 1997 Scott Christley <scottc@net-community.com>
5059 * Make ObjC a front-end language.
5060 * Makefile.in (LANGUAGES, COMPILERS, .PHONY, stmp-int-hdrs): Remove
5061 specific references to ObjC compiler and source files.
5062 ({mostly,dist,maintainer,}clean, install-normal): Likewise
5063 (OBJC_OBJS, OBJC, OBJECTIVE-C, cc1obj, objc-runtime): Rules deleted.
5064 (libobjc.a, sublibobjc.a, objc-parse.{o, c, y}): Rules deleted.
5065 (objc-headers, install-libobjc): Rules deleted.
5066 * objc/Make-lang.in: New file; from rules deleted above.
5067 * objc/config-lang.in: New file.
5068 * objc/Makefile.in: Changes to support ObjC as a front-end language;
5069 renamed from Makefile.in.
5070 * objc-act.{c,h}, objc-parse.{c,y}, objc-tree.def: Moved to objc dir.
5072 Sat Jun 21 07:54:36 1997 Robert Lipe <robertl@dgii.com>
5074 * fixinc.sco (math.h): Correct the collision of "exception".
5076 Sat Jun 21 06:51:40 1997 Peter Gerwinski <peter@agnes.dida.physik.uni-essen.de>
5078 * rs6000.c (output_epilog): Name is "GNU Pascal", not all caps.
5080 Sat Jun 21 06:29:19 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5082 * gcc.c (main): Check for and read ${libdir}/gcc-lib/specs to
5083 override the default specs.
5085 Fri Jun 20 17:20:15 1997 Jim Wilson <wilson@cygnus.com>
5087 * mips.c (output_block_move): When loading addresses into registers,
5088 add checks for ABI_N32 and ABI_64.
5089 (mips_expand_prologue): Add check for SImode in code splitting
5090 tsize_rtx when it is large_int.
5092 Fri Jun 20 09:07:31 1997 Russell King <rmk92@ecs.soton.ac.uk>
5094 * configure.in (arm-*-linuxaout): New target.
5095 * arm/lib1funcs-linux.asm, arm/linux-gas.h: New files.
5096 * arm/linux.h, arm/t-linux, arm/xm-linux.h: New file.
5097 * xm-linux.h: Undef some macros before defining them.
5099 Thu Jun 19 21:18:20 1997 Jim Wilson <wilson@cygnus.com>
5101 * dwarf2out.c (output_line_info): Always use DW_LNE_set_address instead
5102 of DW_LNS_fixed_advance_pc for line number addresses.
5103 (size_of_line_info): Adjust size calculation as per above change.
5104 (text_end_label): Make it static.
5106 Thu Jun 19 14:55:49 1997 Brendan Kehoe <brendan@cygnus.com>
5108 * toplev.c (xmalloc): Only give the fatal msg if SIZE is non-zero.
5110 Sun Apr 27 23:19:13 1997 Ulrich Drepper <drepper@cygnus.com>
5112 * libgcc2.c (__eh_type): Remove `extern' to make this a definition.
5114 Wed Jun 18 18:10:16 1997 Per Bothner <bothner@cygnus.com>
5116 * dbxout.c (dbxout_type_fields): Skip field if DECL_IGNORED_P.
5118 Wed Jun 18 18:04:33 1997 Mike Stump <mrs@cygnus.com>
5120 * except.c (end_eh_unwinder): If we have a return instruction, we
5121 have to make sure we use it and don't fall off the end of the
5122 function in the unwinder.
5124 Wed Jun 18 14:27:58 1997 Mike Stump <mrs@cygnus.com>
5126 * flow.c (find_basic_blocks): Fix end case bug.
5128 Tue Jun 17 18:35:57 1997 Mike Stump <mrs@cygnus.com>
5130 * libgcc2.c (__eh_pcnthrow): Add support -fno-sjlj-exceptions
5131 -fPIC exception handling on the SPARC.
5132 * sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
5133 * libgcc2.c (__eh_ffetmnpc): Remove.
5135 Mon Jun 16 20:28:51 1997 Jason Merrill <jason@yorick.cygnus.com>
5137 * collect2.c (extract_string): Null-terminate.
5139 Mon Jun 16 14:38:44 1997 Michael Meissner <meissner@cygnus.com>
5141 * combine.c (set_nonzero_bits_and_sign_copies): Use REG_SET macros
5142 instead of doing bit operations directly.
5143 (try_combine,reg_dead_at_p): Ditto.
5144 * caller-save.c (save_call_clobbered_regs): Ditto.
5145 * reload1.c (reload): Ditto.
5146 * local-alloc.c (update_equiv_regs,block_alloc): Ditto.
5147 * sched.c (schedule_block): Dito.
5149 Sun Jun 15 20:46:12 1997 Jim Wilson <wilson@cygnus.com>
5151 * dwarf2out.c (dwarf2out_frame_debug): Handle IOR.
5152 (struct limbo_die_struct): Define.
5153 (TYPE_DECL_IS_STUB): Call decl_ultimate_origin if DECL_ABTRACT_ORIGIN
5155 (limbo_die_count): Delete.
5156 (libmo_die_list): Define.
5157 (new_die): Add die to limbo_die_list instead of incrementing
5159 (add_AT_location_description): Renamed from add_location_attribute.
5160 New parameter attr_kind.
5161 (add_location_or_const_value_attribute, gen_subprogram_die,
5162 add_bound_info): Change call to add_AT_location_description.
5163 (add_bound_info): Add call to contains_placeholder_p. Ignore
5164 MAX_EXPR and VAR_DECL.
5165 (add_subscript_info): Ignore the index type if it is an unnamed
5167 (scope_die_for): Move check for function-local tags after code setting
5168 containing_scope, and add check for non-NULL containing_scope
5169 (add_type_attribute): If unnamed type, use TREE_TYPE instead.
5170 (gen_enumeration_type_die, gen_struct_or_union_type_die): Call
5171 add_child_die if die_parent is NULL.
5172 (gen_subprogram_die): Ifdef out DW_AT_static_link code.
5173 (decls_for_scope): Delete decrement of limbo_die_count.
5174 (dwarf2out_finish): Add code to traverse the limbo_die_list, and
5175 call add_child_die if die_parent is NULL. Delete limbo_die_count code.
5176 * mips.c (mips_expand_prologue): If tsize_rtx is large_int, emit two
5177 insns instead of one splitable insn, setting RTX_FRAME_RELATED_P.
5179 Fri Jun 13 19:33:35 1997 Brendan Kehoe <brendan@cygnus.com>
5181 * fixincludes: Also fix AIX NULL macro in sys/{dir,param,types}.h.
5183 Thu Jun 12 22:53:12 1997 Jim Wilson <wilson@cygnus.com>
5185 * m68k.md (mov[qhs]i): Remove pair of constraints which allow
5186 offsetable memory addresses to be moved to the same for TARGET_5200.
5188 Thu Jun 12 15:33:01 1997 Jeffrey A Law (law@cygnus.com)
5190 * pa.h (SELECT_RTX_SECTION): Place symbolic operands into the
5193 * pa.c (emit_move_sequence): Rewrite code to handle arithmetic
5196 Wed Jun 11 08:57:14 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5198 * tree.c (unsave_expr_now): Avoid recursing into the parts of
5199 the tree that are RTL.
5201 Thu Jun 12 09:43:55 1997 Jeffrey A Law (law@cygnus.com)
5203 * reorg.c (emit_delay_sequence): Call set_new_first_and_last_insn
5204 after the new sequence insn has been spliced into the insn chain.
5206 Wed Jun 11 23:10:49 1997 Jeffrey A Law (law@cygnus.com)
5208 * mn10300.md (call, call_value): Use "call" instead of "calls"
5209 for calls to named functions.
5211 Wed Jun 11 00:22:34 1997 Jim Wilson <wilson@cygnus.com>
5213 * configure, configure.in: Restore changes from Feb 15 to Apr 13
5214 lost during conversion to autoconf.
5216 Tue Jun 10 18:23:35 1997 Mike Stump <mrs@cygnus.com>
5218 * stmt.c (expand_decl_cleanup): Avoid core dumping when exceptions
5221 Tue Jun 10 18:22:30 1997 Jason Merrill <jason@yorick.cygnus.com>
5223 * collect2.c (extract_string): New fn.
5226 Tue Jun 10 17:40:15 1997 Jim Wilson <wilson@cygnus.com>
5228 * expr.c (emit_group_load): Add case using gen_lowpart.
5230 Tue Jun 10 17:14:58 1997 Michael Meissner <meissner@cygnus.com>
5232 * rs6000.c (rs6000_override_options): If -mcpu=403, set -mstrict-align.
5234 * rs6000/t-ppc{,gas} (MULTILIB_EXTRA_OPTS): Build libraries with
5237 * configure.in ({powerpc,rs6000}*-*-*): Add embedded targets to
5238 --with-cpu=n support.
5240 Tue Jun 10 07:06:12 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5242 * flow.c (mark_used_regs): Fix typo in Jun 4 change.
5244 Mon Jun 9 20:26:26 1997 Jim Wilson <wilson@cygnus.com>
5246 * Makefile.in (MAYBE_USE_COLLECT2): Renamed from MAYBE_USE_COLLECT.
5248 Mon Jun 9 19:42:21 1997 Jason Merrill <jason@yorick.cygnus.com>
5250 * fold-const.c (fold): Don't do COND_EXPR -> MIN_EXPR folding if it
5251 loses information that might be needed by a later use as an lvalue.
5253 Mon Jun 9 19:10:50 1997 Alexandre Oliva <oliva@dcc.unicamp.br>
5255 * configure.in: Don't override a user's setting for prefix
5256 on platforms that use the native prefix.
5258 Mon Jun 9 19:00:49 1997 Brendan Kehoe <brendan@melange.gnu.ai.mit.edu>
5260 * integrate.c (expand_inline_function): Use the mode of FNDECL's
5261 result rtl, not the result type itself, in setting ARRIVING_MODE.
5263 * reload1.c (reload): Use xmalloc instead of alloca for the label
5264 offsets in OFFSETS_AT and OFFSETS_KNOWN_AT.
5266 Mon Jun 9 15:16:52 1997 Mike Stump <mrs@cygnus.com>
5268 * flow.c (find_basic_blocks): Eliminate more dead code, enables
5269 dead throws to be eliminated.
5271 Mon Jun 9 17:15:50 1997 Stephen L Moshier <moshier@world.std.com>
5273 * alpha.c (check_float_value): Underflow and overflow constants
5274 are different for FLOAT_VAX and default targets.
5276 Mon Jun 9 16:48:21 1997 Scott Christley <scottc@net-community.com>
5278 * Makefile.in (Makefile): Process language fragments.
5279 * configure.frag: New file.
5280 * configure.in: Move language fragment processing to configure.lang.e
5282 * Makefile.in (GCC_PASSES): Prevent all compilers from being
5283 built when only the C compiler is needed.
5285 * configure.in (cross_overrides, build_overrides): Use absolute
5286 path to GCC top-level source directory.
5288 * configure.in: Save target alias for language directories.
5290 * configure.in (with-gxx-include-dir): New parameter for
5291 setting the g++ header file directory.
5292 * Makefile.in (gxx_include_dir): Use autoconf variable.
5294 * configure.in: Add parameter for setting local prefix.
5296 * configure.lang: New file.
5297 * configure.in: Move language subdirectory Makefile processing
5298 into configure.lang.
5300 Mon Jun 9 16:44:47 1997 Jim Wilson <wilson@cygnus.com>
5302 * sched.c (attach_deaths): Fix typo in Jun 4 change.
5304 Mon Jun 9 15:13:00 1997 Marc Lehmann (pcg@goof.com)
5306 * varasm.c (assemble_end_function): Switch back to function
5307 section after outputting constant pool.
5309 Mon Jun 9 14:47:22 1997 Paul Eggert <eggert@twinsun.com>
5311 * tree.c (change_main_variant): Remove unused function.
5312 (build_array_type): Remove obsolete references to
5313 change_main_variant.
5314 * c-decl.c (complete_array_type): Likewise.
5316 * c-common.c (c_build_type_variant): Don't futz with main type
5317 variant of array since C Standard requires main type variant of
5318 array-of-const also be array-of-const.
5320 * Makefile.in: Comment out lines containing just formfeeds.
5322 * Makefile.in (distclean): Remove config.bak.
5323 (maintainer-clean): Output warning.
5324 Do not remove `configure'.
5326 Mon Jun 9 14:44:17 1997 J.T. Conklin <jtc@netbsd.org>
5328 * configure.in (*-*-netbsd): Restore changes of Apr 13th lost in
5329 autoconf conversion: tmake_file now t-netbsd; delete xmake_file.
5331 Mon Jun 9 14:39:29 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5333 * expr.c (expand_builtin, case BUILT_IN_FRAME_ADDRESS):
5334 Use correct function name in error message.
5336 * Makefile.in (diff): Exclude bi-parser.h.
5338 * i386.h (CC1_CPU_SPEC): Renamed, was CC1_SPEC.
5339 (CC1_SPEC): New macro.
5340 (EXTRA_SPECS): Add "cc1_cpu".
5341 * i386/linux.h (CC1_SPEC): New macro.
5343 Mon Jun 9 13:23:06 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
5345 * m68k/next.h (TARGET_DEFAULT): Use MASK_68040,
5346 not MASK_68040_ALSO.
5347 * m68k/mot3300.h, m68k/ccur-GAS.h (TARGET_DEFAULT): Likewise.
5349 * m68k.h (MACHINE_STATE_{SAVE,RESTORE}): Test #ifdef __mcf52000__,
5350 not if (TARGET_52000); fixed for mc68000 case.
5352 * m68k/mot3300.h (CPP_SPEC): Define __mc68020__ if no -m[c]68000
5353 command-line option given.
5355 Mon Jun 9 09:19:17 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5357 * Makefile.in (target_alias): Substitute with target_alias.
5359 * final.c (final_scan_insn): Use single_set to check cc_status.flags.
5361 Mon Jun 9 09:09:07 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5363 * c-common.c (check_format_info): Correct handling of the 'a' flag
5364 which adds another pointer level.
5366 Sun Jun 8 00:34:25 1997 Jeffrey A Law (law@cygnus.com)
5368 * pa.md (conditional branch insns): Get length right for branches
5369 to targets which can not be reached with a "bl" instruction.
5370 * pa.c (output_cbranch): Handle branches to targets which can not
5371 be reached with a "bl" instruction.
5373 * pa.md (alternate dbra pattern): Remove incorrect pattern.
5375 Sat Jun 7 23:30:25 1997 Jeffrey A Law (law@cygnus.com)
5377 * pa.c (struct defer_plab): Renamed to struct deferred_plabel.
5378 Remove "symbol" field and replace with "name" field.
5379 (output_function_epilogue): Don't output deferred plabels here.
5380 (output_deferred_labels): New function. Output them here instead.
5381 (output_call): Rewrite long call support.
5382 * pa.h (ASM_FILE_END): Define.
5383 (LEGITIMATE_CONSTANT_P): Never accept a function_label_operand.
5384 * pa.md (HIGH and LO_SUM of function address): Remove patterns.
5386 Fri Jun 6 16:09:04 1997 Mike Stump <mrs@cygnus.com>
5388 * libgcc2.c (__eh_ffetmnpc): Add support for machines that cannot
5389 access globals after throw's epilogue when -fno-sjlj-exceptions is
5391 * rs6000.c (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
5392 * mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
5393 (INITIAL_ELIMINATION_OFFSET): Fix RETURN_ADDRESS_POINTER_REGNUM
5394 for 64 bit words, with 32 bit pointers and variable endianness.
5396 Fri Jun 6 17:27:58 1997 Mike Meissner <meissner@cygnus.com>
5398 * regclass.c (allocate_reg_info): Fix off by one error.
5400 Fri Jun 6 17:17:41 1997 Doug Evans <dje@cygnus.com>
5402 * basic-block.h (EXECUTE_IF_SET_IN_REG_SET): Fix setting of scan_rs_.
5403 (EXECUTE_IF_SET_AND_RESET_IN_REG_SET): Likewise.
5404 (EXECUTE_IF_AND_IN_REG_SET): Likewise.
5405 (EXECUTE_IF_AND_COMPL_IN_REG_SET): Likewise.
5407 Fri Jun 6 15:42:59 1997 Stan Cox <coxs@dg-rtp.dg.com>
5409 * i386.c (notice_cc_update): Set CC_FCOMI is this is a float compare.
5411 Fri Jun 6 15:12:38 1997 Jim Wilson <wilson@cygnus.com>
5413 * basic-block.h (REG_SET_TO_HARD_REG_SET): Fix typo.
5415 * sched.c (update_flow_info): When add extra REG_DEAD note for original
5416 dest, handle case where last insn both uses and sets dest.
5418 Thu Jun 5 22:19:36 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
5420 * fixinc.irix: Add declaration of __vfork to unistd.h.
5422 * i960/vx960-coff.h (CPP_SPEC): Always define CPU, even if they
5423 use -ansi; the VxWorks headers assume it's always present.
5424 * sparc/vxsparc.h (CPP_SPEC): Define, adding the CPU definition to
5425 what came from sparc.h.
5426 (CPP_PREDEFINES): Don't define it here.
5428 Thu Jun 5 13:40:33 1997 Mike Meissner <meissner@cygnus.com>
5430 * basic-block.c (OBSTACK_ALLOC_REG_SET): Rename from
5431 OBALLOC_REG_SET. Add obstack pointer parameter.
5433 * flow.c (function_obstack): Add declaration.
5434 (life_analysis): Don't allocate the space to hold to vector of
5436 (init_regset_vector): Add pointer parameter and delete space
5437 parameter. Use OBSTACK_ALLOC_REG_SET to allocate. Change callers.
5438 (propagate_block): Use ALLOCA_REG_SET instead of bare alloca.
5440 * sched.c (schedule_block): Fix typo in yesterday's changes.
5441 * reorg.c (mark_target_live_regs): Ditto.
5443 Thu Jun 5 09:44:49 1997 Jeffrey A Law (law@cygnus.com)
5445 * sh.c (trap_exit, sp_switch): New variables.
5446 (print_operand, case '@'): If trap_exit is nonzero, then use
5447 a trapa instead of an rte/rts to exit the current function.
5448 (sh_expand_prologue): Switch stacks at function entry as needed.
5449 (sh_expand_epilogue): Similarly at function exit.
5450 (function_epilogue): Clear trap_exit and sp_switch too.
5451 (sh_valid_machine_decl_attribute): New function.
5452 * sh.h (VALID_MACHINE_DECL_ATTRIBUTE): Define.
5453 (sp_switch): Declare.
5454 * sh.md (sp_switch_1, sp_switch_2): New named patterns.
5456 Wed Jun 4 18:11:14 1997 Michael Meissner <meissner@cygnus.com>
5458 * basic-block.h (REGSET_ELT_BITS): Make this explicitly unsigned, so
5459 that division and modulus of REGSET_ELT_BITS uses a pure shift.
5460 (*_REG_SET): New macros to abstract the register set interface.
5462 * caller-save.c (save_call_clobbered_regs): Use new *_REG_SET
5464 * flow.c (life_analysis,propagate_block,insn_dead_p): Ditto.
5465 (regno_uninitialized,regno_clobbered_at_setjmp,mark_set_1): Ditto.
5466 (mark_used_regs,dump_flow_info,global_conflicts): Ditto.
5467 global.c (mark_elimination): Ditto.
5468 * reorg.c (mark_target_live_regs): Ditto.
5469 * sched.c (sched_{analyze_{1,insn},note_set}): Ditto.
5470 (birthing_insn_p,attach_deaths,unlink_notes,schedule_block): Ditto.
5472 * sched.c (sometimes structure): Delete offset, bit fields, replace
5474 (new_sometimes_live): Take regno argument, not offset and bit.
5477 Tue Jun 3 19:18:36 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
5479 * fixincludes: Fix AIX NULL macro use of void*.
5481 Tue Jun 3 15:21:04 1997 Jason Merrill <jason@yorick.cygnus.com>
5483 * sparc.h (ASM_OUTPUT_MI_THUNK): Handle -fpic.
5485 Mon Jun 2 16:53:53 1997 Michael Meissner <meissner@cygnus.com>
5487 * loop.c (n_times_{set,used}): Make type int, not short.
5488 (scan_loop): n_times{set,used} are now int pointers.
5490 * sched.c (sched_reg_n_deaths): Remove unused variable.
5491 (struct sometimes): Make fields int sized, not short.
5492 (schedule_insns): Don't set sched_reg_n_deaths, nobody uses it.
5494 * regclass.c (allocate_reg_info): Allocate space for reg_renumber,
5495 but don't set unless new argument RENUMBER_P is set. If this is first
5496 call for function and we need to grow space, use free/xmalloc instead
5497 of realloc since we will be initializing the whole array. If number
5498 of registers is < 0, just free up space.
5499 (reg_scan): Update allocate_reg_info call.
5500 * regs.h (allocate_reg_info): Change prototype.
5501 * flow.c (allocate_for_life_analysis): Update allocate_reg_info call.
5502 * local-alloc.c (local_alloc): Call allocate_reg_info to allocate
5503 and initialize the reg_renumber array.
5504 * stupid.c (stupid_life_analysis): Likewise.
5506 Mon Jun 2 14:50:06 1997 Dave Miller <davem@jenolan.rutgers.edu>
5508 * sparc.md (v9 eq/ne cond move patterns): Add early clobber
5509 constraint to destination.
5511 Fri May 30 11:00:44 1997 Michael Meissner <meissner@cygnus.com>
5513 * regs.h (reg_info): New structure to group the arrays indexed by
5514 register number created by reg_scan and flow_analysis that are
5516 (reg_n_info): Pointer to the register information array.
5517 (reg_n_{refs,sets,deaths,calls_crossed}): Delete variables.
5518 (reg_changes_size): Likewise.
5519 (REG_N_{REFS,SETS,DEATHS,CALLS_CROSSED}): New macros to reference
5521 (REG_{CHANGES_SIZE,{FIRST,LAST,LAST_NOTE}_UID}): Likewise.
5522 (allocate_reg_info): Add declaration.
5524 * basic-block.h (reg_basic_block): Delete.
5525 (REG_BASIC_BLOCK): Use reg_n_info structure.
5527 * caller-save.c: Change all references to the above arrays to use
5528 the corresponding macro to access the reg_n_info array.
5529 * combine.c, cse.c, flow.c, global.c, jump.c, local-alloc.c: Likewise.
5530 * loop.c, regclass.c, reload1.c, sched.c, stupid.c, unroll.c: Likewise.
5532 * regclass.c (allocate_reg_info): New function to allocate the
5533 reg_info array and initialize the appropriate fields.
5534 (reg_scan): Call it.
5535 * flow.c (allocate_for_life_analysis): Call allocate_reg_info to do
5536 the actual allocation.
5538 Thu May 29 15:42:59 1997 Stan Cox <coxs@dg-rtp.dg.com>
5540 * i386.md (movsfcc_1, movdfcc_1, movxfcc_1): Use singlemove_string
5541 for float conditional move when destination and operands all differ.
5543 * i386.h (ASM_OUTPUT_REG_{PUSH,POP}): add %% before register name.
5545 * go32.h (ASM_OUTPUT_ALIGN): Use .p2align, not byte alignments.
5547 Wed May 28 20:44:00 1997 Mike Stump <mrs@cygnus.com>
5549 * except.c (push_eh_entry): Eliminate start of exception region
5550 label, as it isn't used. Rename end_label to outer_context.
5551 (expand_eh_region_start_for_decl): Likewise.
5552 (expand_leftover_cleanups): Likewise.
5553 (expand_start_all_catch): Likewise.
5554 * except.h (eh_entry): Likewise.
5555 * except.c (expand_eh_region_end): Likewise. Jump around the nop
5556 that we insert, so that we can optimize it away, if it is unused,
5557 also so that flow analysis can tell if we fall through to the end
5558 of a function or not so that it can know if a function that returns
5559 a value, in fact does or not.
5561 Wed May 28 10:50:09 1997 Jeffrey A Law (law@cygnus.com)
5563 * pa.md (jump): Handle out of range unconditional jump
5564 when not optimizing.
5566 Thu May 22 00:57:07 1997 Jeffrey A Law (law@cygnus.com)
5568 * reload1.c (reload_cse_record_set): Ignore values for SREG if
5569 their mode is narrower than DEST_MODE.
5571 * pa.h (DFMODE_RETURN_STRING): Define.
5572 (SFMODE_RETURN_STRING): Likewise.
5573 (ASM_DECLARE_FUNCTION_NAME): Use them.
5575 Wed May 21 23:32:02 1997 Jeffrey A Law (law@cygnus.com)
5577 * mn10300.md (reload_insi): Handle SUBREG properly.
5579 Tue May 20 22:32:13 1997 Jason Merrill <jason@yorick.cygnus.com>
5581 * dwarf2out.c (dwarf2out_def_cfa): Set cfa_reg at the top.
5583 Tue May 20 16:57:50 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
5585 * cplus-dem.c (do_type): Handle `J'.
5586 (demangle_fund_type): Print "complex" for it.
5588 Mon May 19 21:01:53 1997 Jim Wilson <wilson@cygnus.com>
5590 * m68k.c (output_move_qimode): Add coldfire support.
5591 * m68k.h (PUSH_ROUNDING): Add coldfire support.
5592 * m68k.md (scc{,0}_di, seq, sne, sgt, sgtu, slt, sltu, sge, sgeu,
5593 sle, sleu): Add coldfire support.
5595 Mon May 19 17:53:34 1997 Mike Meissner <meissner@cygnus.com>
5597 * rs6000.c: (rs6000_pic_func_labelno): New variable.
5598 (rs6000_output_load_toc_table): Use it.
5599 (output_prolog): Store current value.
5601 Sun May 18 16:32:08 1997 Michael Meissner <meissner@cygnus.com>
5603 * dbxcoff.h (ASM_OUTPUT_SOURCE_LINE): Use macros
5604 ASM_{GENERATE,OUTPUT}_INTERNAL_LABEL to create/output line
5607 Sun May 18 13:55:12 1997 John Vickers (john@rhizik.demon.co.uk)
5609 * m68k.h (TARGET_SWITCHES): Add new target name, cpu32.
5611 Sun May 18 13:50:10 1997 Pat Rankin <rankin@eql.caltech.edu>
5613 * cccp.c (VMS_write, VMS_read): Delete.
5614 (safe_write): If MAX_WRITE_LEN is defined, limit
5615 incremental write attempts to that amount.
5616 (safe_read): Analogous situation for MAX_READ_LEN.
5617 * cpplib.c (safe_read): Likewise.
5618 * vax/xm-vms.h (MAX_WRITE_LEN, MAX_READ_LEN): Define.
5620 * vax/xm-vms.h (get_dynamic_handler_chain_libfunc): New macro.
5621 (protect_cleanup_actions_with_terminate): New macro.
5623 Sun May 18 08:50:25 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5625 * m68k/linux.h (ASM_COMMENT_START): Define.
5626 * m68k/linux-aout.h (ASM_COMMENT_START): Define.
5628 * reload1.c (reload_cse_regno_equal_p): Check for value using more
5629 than one register on a big endian machine.
5631 Sun May 18 08:39:59 1997 Vince Del Vecchio <vdelvecc@spd.analog.com>
5633 * loop.c (maybe_eliminate_biv_1): In (set (cc0) <biv>) case,
5634 swap compare operands when mult_val < 0 in one additional place.
5636 Sun May 18 08:33:30 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5638 * dwarf2out.c (ASM_COMMENT_START): Add default definition.
5640 * Makefile.in (maintainer-claean): Delete configure.
5642 Sun May 18 08:31:59 1997 Scott Christley <scottc@net-community.com>
5644 * configure.in: New file.
5645 * Makefile.in: Change to utilize autoconf variables.
5646 * configure: Now an output file.
5648 Sun May 18 07:48:31 1997 J.T. Conklin <jtc@netbsd.org>
5650 * m68k.md (mov[qhs]i,movstrict[qs]i, mulsi3): Use 'Q' constraint
5652 * m68k.h (EXTRA_CONSTRAINT): New macro.
5654 * m68k.h (TARGET_SWITCHES): Add 68020-60.
5655 Mask out bits which indicate a particular processor when a different
5656 processor is selected.
5657 (MASK_68040_ALSO): Remove.
5658 (MASK_68040): Change to be a single bit.
5660 * m68k.h (TARGET_ALIGN_INT, MASK_ALIGN_INT): New macros.
5661 (BIGGEST_ALIGNMENT): Determine according to TARGET_ALIGN_INT.
5662 (TARGET_SWITCHES): Add align-int and no-align-int.
5664 * m68k.md (mov[qhs]i}): Add pair of constraints which allow
5665 offsetable memory addresses to be moved to the same for TARGET_5200.
5667 * m68k.c (output_move_strict{hi,qi}): New functions.
5668 * m68k.h (output_move_strict{hi,qi}): Declare.
5669 * m68k.md (movstrict*): Changed into define_expands.
5670 Split insns into m68k and coldfire specific versions with appropriate
5673 Sun May 18 07:26:40 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
5675 * libgcc2.c (atexit): Cast malloc and realloc calls.
5677 Sat May 17 16:26:51 1997 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5679 * final.c (profile_function): Call function_section, not
5682 Sat May 17 16:01:00 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
5684 * cse.c (notreg_cost): New function, extracted from COST macro.
5685 (COST): Use notreg_cost.
5687 Sat May 17 15:13:23 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5689 * cse.c (cse_insn): Don't record a SRC that's a MEM and the same
5690 as a REG_EQUIV note if DEST is set more than once.
5692 Fri May 16 14:50:57 1997 Jeffrey A Law (law@cygnus.com)
5694 * pa.c (output_move_double): Handle loading a general register
5695 from a scaled indexed memory address.
5696 * pa.md (movdf, movdi): Allow scaled loads into general registers.
5698 Fri May 16 13:31:08 1997 Mike Stump <mrs@cygnus.com>
5700 * rs6000.c (rs6000_stack_info): Only do eabi setup for "main",
5701 when main is the global main, not some nested routine that
5702 happens to be called main.
5704 Thu May 15 17:19:50 1997 Mike Stump <mrs@cygnus.com>
5706 * except.c (expand_start_all_catch): If the machine needs to
5707 perform any actions at the start of an expcetion handler that
5708 hasn't already been done, use gen_exception_receiver to emit it.
5709 (expand_leftover_cleanups): Likewise.
5710 * alpha.md (exception_receiver): Use it.
5711 * pa.h (exception_receiver): Use it.
5713 Thu May 15 08:36:59 1997 Jeffrey A Law (law@cygnus.com)
5715 * dbxout.c (dbxout_function_end): Don't subtract one from
5716 the end of function scoping stab.
5718 Wed May 14 23:27:09 1997 Jeffrey A Law (law@cygnus.com)
5720 * mn10300.md (adddi3, subdi3): Remove expanders and patterns.
5722 Wed May 14 18:51:35 1997 Mike Stump <mrs@cygnus.com>
5724 * function.c (expand_function_end): Make sure we finish off any
5725 leftover exception handlers.
5727 Tue May 13 14:07:01 1997 Mike Stump <mrs@cygnus.com>
5729 * expr.c (expand_builtin_setjmp): Remove setting of
5730 current_function_has_nonlocal_goto, as this isn't a goto.
5732 Tue May 13 14:47:40 1997 Richard Earnshaw (rearnsha@cambridge.arm.com)
5734 * arm.h (CPP_SPEC): Fix typo invoking cpp_endian.
5735 * arm/t-semi (LIB2FUNCS_EXTRA): Build fp-bit.c when compiling
5737 * arm.c: Add prototypes for all static functions.
5738 (output_multi_immediate, int_log2): Make static.
5740 * arm.h (*_SPEC): Remove all references to mle/mbe.
5741 * arm/coff.h (MULTILIB_DEFAULTS): Likewise.
5742 * arm/t-bare (MULTILIB_OPTIONS): Change options mbe/mle to mbig-endian
5744 (MULTILIB_MATCHES): Nothing matches that matters.
5746 Mon May 12 20:42:20 1997 Mike Stump <mrs@cygnus.com>
5748 * except.c (expand_start_all_catch): If need nonlocal_goto_receiver,
5749 add one at the start of exception handler.
5750 (expand_leftover_cleanups): Likewise.
5752 Mon May 12 17:36:28 1997 Jeffrey A Law (law@cygnus.com)
5754 * mips.c (move_operand): Accept any general operand after reload
5757 Fri May 9 14:29:33 1997 Jeffrey A Law (law@cygnus.com)
5759 * mn10300.md (udivmodhi4, divmodhi4): Remove expander, give
5760 corresponding pattern [u]divmodhir4 name. Clear MDR register
5761 in the udivmodhi4 pattern itself.
5762 (clear_mdr): Delete pattern.
5764 Thu May 8 18:20:30 1997 Richard Earnshaw (rearnshaw@cambridge.arm.com)
5766 * arm/aout.h (ASM_OUTPUT_LONG_DOUBLE): Delete call to
5767 arm_increase_location.
5768 (ASM_OUTPUT_{DOUBLE,FLOAT,INT,SHORT,CHAR,BYTE,ASCII,SKIP}): Likewise.
5769 (ASM_OUTPUT_ALIGN): Delete all code refering to arm_text_location.
5771 * arm.c (arm_increase_location, get_prologue_size): Delete.
5772 (arm_naked_function_p): Add declaration.
5773 (arm_pic_register): Define.
5774 (all_procs): Delete entries for arm{60,620,70,7d,7di,700i,710c}; add
5775 entries for arm{7m,7500fe,8}, strongarm and strongarm110.
5776 (arm_override_options): Rework so that configure can properly set
5777 the default processor type. Add a warning that PIC code is not yet
5779 (legitimate_pic_operand_p, legitimize_pic_address): New functions.
5780 (is_pic, arm_finalize_pic): New functions.
5781 (arm_adjust_cost): New function.
5782 (const_pool_offset, arm_backwards_branch, short_branch): Delete.
5783 (arm_insn_not_targeted): Delete.
5784 (add_constant): If generating AOF syntax, then handle pic specially.
5785 (output_ascii_pseudo_op): Delete calls to arm_increase_location.
5786 (function_really_clobbers_lr): Calls followed by a barrier don't
5787 clobber the link register.
5788 (output_func_prologue): Handle AOF syntax pic code.
5789 (output_func_epilogue): Handle cases where lr_save_eliminated is set.
5790 Delete call to arm_increase_location.
5791 (arm_asm_output_label): Simplify, since we no-longer need to cache the
5793 (aof_pic_entry): New function to keep track of pic symbols.
5794 (aof_dump_pic_table): New function.
5796 * arm.h (TARGET_CPU_arm*, TARGET_CPU_strongarm*, TARGET_CPU_generic):
5798 (CPP_ARCH_DEFAULT_SPEC): Set up based on setting of TARGET_CPU_DEFAULT.
5799 (CPP_SPEC): Split up into sub-rule calls.
5800 (CPP_CPU_SPEC): Add default definition.
5801 (CPP_APCS_PC_SPEC, CPP_APCS_PC_DEFAULT_SPEC): Add definitions.
5802 (CPP_FLOAT_SPEC, CPP_FLOAT_DEFAULT_SPEC): Add definitions.
5803 (CPP_ENDIAN_SPEC, CPP_ENDIAN_DEFAULT_SPEC): Add definitions.
5804 (CC1_SPEC): Map legacy -m[236] onto -mcpu=.. and -mapcs-{26,32} as
5805 appropriate. Similarly for -mbe and -mle to -m{big,little}-endian.
5806 (EXTRA_SPECS): Define.
5807 (enum processor_type): New types for arm8 and strongarm.
5808 (CONDITIONAL_REGISTER_USAGE): Handle flag_pic.
5809 (LEGITIMIZE_ADDRESS): Likewise.
5810 (ADJUST_COST): Define.
5811 (PIC_OFFSET_TABLE_REGNUM): Define.
5812 (FINALIZE_PIC): Define.
5813 (LEGITIMATE_PIC_OPERAND_P): Define.
5814 (OUTPUT_INT_ADDR_CONST): Define.
5815 (ASM_OUTPUT_MI_THUNK): Delete calls to arm_increase_location.
5816 (MASK_RETURN_ADDR): Use TARGET_APCS_32 not TARGET_6.
5818 * arm.md (attr cpu): Add new cpu types for arm8 and strongarm.
5819 (attr ldsched): New attribute, set if processor has a load_delay slot.
5820 (function_unit core): Rework to handle load delay slots.
5821 (function_unit loader): New function unit.
5822 (movsi): Handle pic.
5823 (pic_load_addr): New expand.
5824 (*pic_load_addr_based_insn, pic_add_dot_plus_eight): New patterns.
5825 (peepholes to cause flow to return to a label after a function call):
5826 Delete, these have been disabled for a while now.
5828 * arm/riscix.h (CPP_SPEC): Rewrite using new sub-components.
5829 (SUBTARGET_CPU_DEFAULT): Set to TARGET_CPU_arm2.
5830 * arm/riscix1-1.h (CPP_SPEC): Rewrite using new sub-components.
5831 (SUBTARGET_CPU_DEFAULT): Set to TARGET_CPU_arm2.
5832 * arm/semi.h: (CPP_SPEC): Delete.
5833 (PROCESSOR_DEFAULT): Delete.
5834 (CPP_APCS_PC_DEFAULT_SPEC): Define.
5835 * arm/semiaof.h (CPP_SPEC): Delete.
5836 (CPP_APCS_PC_DEFAULT_SPEC): Define.
5837 * arm/t-semi (LIBGCC1_TEST): Don't build it.
5838 (MULTILIB_{OPTIONS,DIRNAMES,EXCEPTIONS}): Build a suitable set of
5840 (LIBGCC): Set to stmp-multilib.
5841 (INSTALL_LIBGCC): Set to install-multilib.
5843 Thu May 8 15:20:46 1997 Stan Cox <coxs@dg-rtp.dg.com>
5845 * i386.c (output_float_compare): For pentiumpro use fcomip
5846 followed by a float stack pop for "compare;pop;pop" cases.
5848 Thu May 8 13:20:20 1997 Chris Torek <torek@elf.bsdi.com>
5850 * fold-const.c (fold, truth_andor): Disable optimization for
5851 side effects on RHS.
5853 Wed May 7 15:43:57 1997 Mike Stump <mrs@cygnus.com>
5855 * except.c (start_dynamic_handler): Fix so we can use __builtin_setjmp,
5856 and default to using __builtin_setjmp instead of setjmp.
5857 * expr.c (expand_builtin_setjmp): New routine, split out from
5858 existing inline code from expand_builtin.
5859 (expand_builtin): Split out code into expand_builtin_setjmp.
5860 * expr.h (expand_builtin_setjmp): Add declaration.
5861 * libgcc2.c (__sjthrow): Default to using __builtin_setjmp instead
5863 (__sjpopnthrow): Likewise.
5864 * optabs.c (init_optabs): Likewise.
5866 Wed May 7 18:01:24 1997 Samuel Figueroa <Samuel_Figueroa@next.com>
5868 * rs6000.md (insv): Only combine insert with shift if
5869 remaining source bits >= destination field size.
5871 Tue May 6 15:48:52 1997 Jason Merrill <jason@gerbil.cygnus.com>
5873 * dwarf2out.c (dwarf2out_begin_prologue): Increment
5874 current_funcdef_number here.
5875 (dwarf2out_end_epilogue): Not here.
5877 Mon May 5 18:52:32 1997 Jeffrey A Law (law@cygnus.com)
5879 * h8300.c (notice_update_cc): Use CC_SET_ZN and CC_SET_ZNV.
5880 (shift_one, shift_two): Set CC_NO_CARRY as needed. Remove
5881 references to CC_OVERFLOW_0.
5882 (emit_a_shift): Similarly.
5883 * h8300.h (CC_OVERFLOW_0): Remove.
5884 * h8300.md: Use set_zn and set_znv for cc0 tracking.
5885 (bCC): Restore the comparison is CC_OVERFLOW_UNUSABLE is set and
5886 the comparison needs the overflow bits.
5888 * mn10300.c (notice_update_cc): Use CC_SET_ZN and CC_SET_ZNV.
5889 * mn10300.h (CC_NO_CARRY): Define.
5890 * mn10300.md: Use "set_zn" and "set_znv" to more accurately
5891 describe cc0 status.
5893 Fri May 2 17:00:33 1997 Jason Merrill <jason@yorick.cygnus.com>
5895 * dwarf2out.c: Reorganize, moving .debug_frame support to the top
5896 of the file, and compile it if INCOMING_RETURN_ADDR_RTX is defined
5897 even if DWARF2_DEBUGGING_INFO isn't.
5898 (EH_FRAME_SECTION): New macro.
5899 (output_call_frame_info): Handle .eh_frame variant.
5900 (dwarf2out_def_cfa): Update cfa_*{reg,offset}.
5901 (dwarf2out_frame_debug): Move cfa_*{reg,offset} to file scope.
5902 (dwarf2out_end_epilogue): Increment current_funcdef_number here.
5903 (dwarf2out_decl): Not here.
5904 (dwarf2out_frame_init, dwarf2out_frame_finish): New fns.
5905 (dwarf2out_init, dwarf2out_finish): Call them.
5906 (output_die): Add missing 'case 8:'
5907 (dwarf2out_decl): Revert other context_die = NULL change.
5908 (add_bound_info): Restore default case.
5910 Fri May 2 15:30:16 1997 Doug Evans <dje@seba.cygnus.com>
5912 * m32r.h (LIT_NAME_P): New macro.
5913 (SMALL_NAME_P): Use it.
5914 (ASM_OUTPUT_ALIGNED_COMMON): Don't output to scommon if -msdata=none.
5915 * m32r.c (addr24_operand): Handle literals.
5916 (m32r_output_function_prologue): Use IMMEDIATE_PREFIX.
5917 (m32r_output_function_epilogue): Likewise. Use shorter add insn if
5920 Fri May 2 14:40:44 1997 David Edelsohn <edelsohn@mhpcc.edu>
5922 * rs6000.h (RS6000_ALIGN): Macro renamed from ALIGN.
5923 * rs6000.c (rs6000_stack_info): Use it.
5925 Fri May 2 14:15:54 1997 Ian Lance Taylor <ian@cygnus.com>
5927 * reload1.c (reload_cse_noop_set_p): When checking the values
5928 equivalent to sreg, make sure the mode is right.
5930 Fri May 2 12:53:03 1997 Jeffrey A Law (law@cygnus.com)
5932 * reload1.c (reload_cse_invalidate_regno): Properly set
5933 the mode for invalidate_regno_rtx.
5935 Thu May 1 14:57:35 1997 Jeffrey A Law (law@cygnus.com)
5937 * pa.md (call_internal_symref): Fix typo.
5939 Thu May 1 14:44:17 1997 Jim Wilson <wilson@cygnus.com>
5941 * mips.c (mips_asm_file_start): Use new macro TARGET_FILE_SWITCHING.
5942 (mips_asm_file_end): Likewise.
5943 * mips.h (TARGET_FILE_SWITCHING): Define.
5944 (NO_DBX_FUNCTION_END): Define.
5946 Thu May 1 09:08:40 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5948 * m68k.c (output_addsi3): Replace "\\;" by "\n\t" in
5949 assembler templates.
5951 Thu May 1 09:00:42 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5953 * integrate.c (subst_constants, case SUBREG): Cancel changes once
5956 Wed Apr 30 19:45:56 1997 Jim Wilson <wilson@cygnus.com>
5958 * mips.c (override_options): Set mips_split_addresses only if
5959 TARGET_SPLIT_ADDRESSES is set.
5960 * mips.h (MASK_SPLIT_ADDR, TARGET_SPLIT_ADDRESSES): New macros.
5961 (TARGET_SWITCHES): Add -msplit-addresses, -mno-split-addresses.
5962 * configure (mips*-*-ecoff*, mips*-*-elf*): Set MASK_SPLIT_ADDR
5963 bit in target_cpu_default2.
5965 * flags.h (current_function_is_thunk): Add extern to declaration.
5967 * dbxout.c (dbxout_function): Test NO_DBX_FUNCTION_END at run time
5968 instead of compile time.
5970 * unroll.c (set_dominates_use): In second loop, add check for copy_end.
5972 * mips.md (paradoxical_extendhidi2, paradoxical_extendqidi2): New
5975 Wed Apr 30 02:23:24 1997 Jason Merrill <jason@yorick.cygnus.com>
5977 * output.h (named_section): Add reloc argument.
5978 (DECL_READONLY_SECTION): New macro.
5979 * varasm.c (named_section): Add reloc argument, pass it to
5980 ASM_OUTPUT_SECTION_NAME.
5981 (UNIQUE_SECTION, UNIQUE_SECTION_P): Provide defaults.
5982 (function_section): Pass reloc argument to named_section.
5983 (variable_section, exception_section): Likewise.
5984 (output_constant_def_contents): Likewise.
5985 (assemble_start_function): Use UNIQUE_SECTION_P. UNIQUE_SECTION is
5987 (assemble_variable): Likewise.
5988 * mips/iris6.h (ASM_OUTPUT_SECTION_NAME): Add reloc arg,
5989 use DECL_READONLY_SECTION.
5990 * psos.h, ptx4.h, a29k.h, alpha/elf.h, arm/coff.h, h8300.h: Likewise.
5991 * i386/go32.h, i386/sco5.h, m68k/coff.h, mips/elf64.h: Likewise.
5992 * mips/netbsd.h, pa.h, rs6000/sysv4.h, sh.h, sparc/sysv4.h: Likewise.
5993 * config/svr4.h (SELECT_SECTION): Use DECL_READONLY_SECTION.
5994 (ASM_OUTPUT_SECTION_NAME): Likewise, add reloc argument.
5995 (MAKE_DECL_ONE_ONLY): Just set DECL_WEAK.
5996 (UNIQUE_SECTION, UNIQUE_SECTION_P): Define.
5997 * i386/cygwin32.h (UNIQUE_SECTION_P): Define.
5998 (SUPPORTS_ONE_ONLY): Define.
5999 (MAKE_DECL_ONE_ONLY): Lose.
6000 (ASM_OUTPUT_SECTION_NAME): Add reloc arg, use DECL_READONLY_SECTION.
6001 * i386/winnt.c (i386_pe_unique_section): Add reloc arg,
6002 use DECL_READONLY_SECTION.
6004 * mips/iris6.h (CTORS_SECTION_ASM_OP): Change aligment based on ABI.
6005 (DTORS_SECTION_ASM_OP): Likewise.
6007 Tue Apr 29 16:08:07 1997 Jeffrey A Law (law@cygnus.com)
6009 * pa/lib1funcs.asm (divnorm, modnorm, exitdiv): Fix code to
6010 negate SImode values.
6012 Tue Apr 29 12:54:14 1997 Mike Stump <mrs@cygnus.com>
6014 * except.c (expand_eh_region_start_tree): Add DECL argument so we
6015 can better track why the region was made for error reporting.
6016 * except.h (expand_eh_region_start_tree): Likewise.
6017 * tree.h (expand_dhc_cleanup): Likewise.
6018 (expand_dcc_cleanup): Likewise.
6019 * except.c (expand_eh_region_start_for_decl): New routine.
6020 * except.h (expand_eh_region_start_for_decl): Likewise.
6021 * stmt.c (expand_decl_cleanup): Add DECL to call of
6022 expand_eh_region_start_tree.
6023 (expand_dcc_cleanup): Likewise.
6024 (expand_dhc_cleanup): Likewise.
6025 (expand_start_case): Switches introduce conditional contexts.
6026 (expand_start_case_dummy): Likewise.
6027 (expand_start_case_dummy): Likewise.
6028 (expand_end_case): Likewise.
6030 Tue Apr 29 11:45:09 1997 Jason Merrill <jason@yorick.cygnus.com>
6032 * dwarf2out.c (dwarf2out_decl): Undo earlier change.
6033 (constant_size): Likewise.
6034 (gen_subprogram_die): Handle NULL context_die.
6036 * mips/iris6.h (ASM_OUTPUT_CONSTRUCTOR): Fix for -mabi=64.
6037 (ASM_OUTPUT_DESTRUCTOR): Likewise.
6039 Mon Apr 28 09:10:19 1997 Jeffrey A Law (law@cygnus.com)
6041 * h8300.c (push_order, pop_order): Add missing initializer entries.
6043 Fri Apr 25 19:39:43 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6045 * h8300.c (output_adds_subs): Check for adding 0.
6047 Fri Apr 25 14:52:31 1997 Jim Wilson <wilson@cygnus.com>
6049 * configure (i[3456]86-*-freebsdelf*, i[3456]86-*-freebsd*): Use
6050 t-freebsd instead of x-freebsd.
6051 * i386/t-freebsd: Renamed from x-freebsd.
6053 Fri Apr 25 12:16:20 1997 Stan Cox <coxs@dg-rtp.dg.com>
6055 * go32.h (DBX_*): Use definitions from config/dbxcoff.h instead.
6057 Fri Apr 25 11:55:54 1997 Jason Merrill <jason@yorick.cygnus.com>
6059 * i386/cygwin32.h (MULTIPLE_SYMBOL_SPACES): Define.
6061 Thu Apr 24 18:32:56 1997 Jason Merrill <jason@yorick.cygnus.com>
6063 * i386/winnt.c (i386_pe_unique_section): New fn.
6064 * i386/cygwin32.h (UNIQUE_SECTION): Define.
6065 (MAKE_DECL_ONE_ONLY): Define.
6066 (ASM_OUTPUT_SECTION_NAME): Support DECL_ONE_ONLY.
6068 * c-decl.c (implicitly_declare): Don't set DECL_ARTIFICIAL.
6070 Thu Apr 24 17:11:23 1997 Jim Wilson <wilson@cygnus.com>
6072 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
6073 TARGET_5200 support.
6075 Thu Apr 24 16:39:25 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6077 * stmt.c (pushcase_range): Check for null range first.
6079 Wed Apr 23 23:06:28 1997 Ian Lance Taylor <ian@cygnus.com>
6081 * reload1.c (reload_cse_record_set): Use push_operand to check for
6082 changes to the stack pointer.
6084 Wed Apr 23 19:56:01 1997 Jason Merrill <jason@yorick.cygnus.com>
6086 * calls.c (expand_call): If we're in a thunk, pass through invisible
6087 references instead of making a copy.
6088 * flags.h: Add current_function_is_thunk.
6089 * function.c: Likewise.
6090 (init_function_start): Initialize it.
6091 (push_function_context_to): Save it.
6092 (pop_function_context_from): Restore it.
6093 * function.h (struct function): Add is_thunk.
6095 Wed Apr 23 17:47:25 1997 Jeffrey A Law (law@cygnus.com)
6097 * mn10300.c (secondary_reload_class): Handle more cases where we
6098 need secondary reloads.
6099 (impossible_plus_operand): Accept anything that involves addition
6100 of the stack pointer.
6101 * mn10300.md (reload_insi): Always load the stack pointer into
6102 the destination (which is always an address register).
6103 * mn10300.h (STORE_FLAG_VALUE): Remove definition.
6104 * xm-mn10300.h: Declare malloc, realloc, calloc and free.
6106 Wed Apr 23 14:28:30 1997 Mike Stump <mrs@cygnus.com>
6108 * expr.h (sjthrow_libfunc): Add support for setjmp/longjmp based
6110 ({sjpopnthrow,terminate,setjmp,longjmp}_libfunc): Likewise.
6111 (get_dynamic_handler_chain_libfunc): Likewise.
6112 * expr.c (expand_expr, case TRY_CATCH_EXPR): Likewise.
6113 (expand_expr, case POPD{C,H}C_EXPR): Likewise.
6114 * stmt.c (mark_block_as_eh_region): Likewise.
6115 (mark_block_as_not_eh_region): Likewise.
6116 (is_eh_region, conditional_contex, expand_start_bindings): Likewise.
6117 (expand_end_bindings, expand_{decl,dcc,dhc}_cleanup): Likewise.
6118 (expand_cleanups): Likewise.
6119 * tree.h (mark_block_as_eh_region): Likewise.
6120 (mark_block_as_not_eh_region, is_eh_region): Likewise.
6121 conditional_context, expand_dhc_cleanup): Likewise.
6122 * except.c (exception_via_longjmp): Likewise.
6123 (protect_cleanup_actions_with_terminate): Likewise.
6124 (current_function_d{h,c}c, add_partial_entry): Likewise.
6125 (get_dynamic_{handler,cleanup}_chain): Likewise.
6126 (start_dynamic_{cleanup, handler}): Likewise.
6127 (expand_eh_region_start{,_tree}, expand_eh_region_end): Likewise.
6128 (emit_throw, expand_leftover_cleanups): Likewise.
6129 (expand_{start,end}_all_catch, protect_with_terminate): Likewise.
6130 ({start,end}_eh_unwinder, init_eh_for_function): Likewise.
6131 ({save,restore}_eh_status, exception_optimize): Likewise.
6132 * optabs.c ({sjthrow,sjpopnthrow,terminate,setjmp}_libfunc): Likewise.
6133 ({longjmp,get_dynamic_handler_chain}_libfunc): Likewise.
6134 (init_optabs): Likewise.
6135 * except.h: Likewise.
6136 * libgcc2.c (__default_terminate): Likewise.
6137 (__terminate, __get_dynamic_handler_chain, __sjthrow): Likewise.
6138 (__sjpopnthrow): Likewise.
6139 * toplev.c (f_options): Likewise.
6140 * tree.def (TRY_CATCH_EXPR, POPDHC_EXPR, POPDCC_EXPR): Likewise.
6141 * pa.h (JMP_BUF_SIZE): Define.
6142 * sparc.h (JMP_BUF_SIZE): Define.
6144 * expr.h (cleanups_this_call): Transform uses of cleanups_this_call
6145 into uses of the cleanups managed by the block code
6146 (expand_start_bindings and friends). Remove defer_cleanups_to and
6147 expand_cleanups_to, and use start_cleanup_deferal and
6148 end_cleanup_deferal instead. Add exception_region,
6149 target_temp_slot_level, conditional_code,
6150 last_unconditional_cleanup and cleanup_ptr to struct nesting to
6151 facilitate conditional cleanups.
6152 * expr.c (cleanups_this_call, init_expr): Likewise.
6153 ({save,restore}_expr_status, store_expr): Likewise.
6154 (expand_expr, {defer,expand}_cleanups_to): Likewise.
6155 (do_jump, case TRUTH_{AND,OR}IF_EXPR): Likewise.
6156 (do_jump, case COND_EXPR): Likewise.
6157 * stmt.c (struct nesting): Likewise.
6158 (expand_return, expand_start_bindings, expand_end_bindings): Likewise.
6159 (expand_cleanups, {start,end}_cleanup_deferal): Likewise.
6160 * tree.h (start_cleanup_deferal): Likewise.
6161 (end_cleanup_deferal): Likewise.
6162 * calls.c (expand_call): Likewise.
6163 * function.h (struct function): Likewise.
6164 * except.c (asynchronous_exceptions): Support
6165 -fasynchronous_exceptions.
6166 (can_throw): Likewise.
6167 * toplev.c (f_options): Likewise.
6169 * flags.h (flag_short_temps): Remove support for short temps.
6170 * calls.c (expand_call): Likewise.
6171 * toplev.c (flag_short_temps): Likewise.
6173 * stmt.c (expand_start_target_temps): Add for convenience.
6174 (expand_end_target_temps): Likewise.
6175 * except.c (jumpif{,not}_rtx): Likewise.
6177 * stmt.c: Remove all traces of empty_cleanup_list.
6179 Wed Apr 23 17:26:40 1997 Ian Lance Taylor <ian@cygnus.com>
6181 * reload1.c (reload_cse_mem_conflict_p): Don't assume that a
6182 SUBREG can not conflict with a MEM.
6184 Wed Apr 23 09:48:58 1997 Oliver Kellogg (oliver.kellogg@space.otn.dasa.de)
6186 * 1750a.md (cmphi): Fixed when next CC user is unsigned.
6187 (mov[hq]i-[23]): New patterns for mem-indirect moves.
6188 (movhf,movtqf): Corrected.
6189 * 1750a.c (memop_valid): Memory indirection now valid.
6190 (nonindirect_operand): Remove.
6191 (print_operand): Fix the 'J' output modifier.
6192 * 1750a.h (FRAME_POINTER_REQUIRED): Not required.
6193 (INITIAL_FRAME_POINTER_OFFSET,FIX_FRAME_POINTER_ADDRESS): Undefine.
6194 (FUNCTION_PROLOGUE,FUNCTION_EPILOGUE): Honor -fomit-frame-pointer.
6195 (ELIMINABLE_REGS,CAN_ELIMINATE,INITIAL_ELIMINATION_OFFSET): Defined.
6196 (PREFERRED_RELOAD_CLASS): Corrected.
6197 (CONST_COSTS,ADDRESS_COST,REGISTER_MOVE_COST,MEMORY_MOVE_COST):
6199 (ASM_APP_ON,ASM_APP_OFF): Corrected.
6200 * ms1750.inc (DUCR.M,DUC.M): Defined.
6202 Wed Apr 23 09:41:35 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6204 * reload.c (push_reload): Fix last arg of call to find_dummy_reload.
6206 Wed Apr 23 09:29:14 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6208 * configure (i[3456]86-next-*, m68k-next-nextstep{2,3}*):
6209 Remove out_file and add extra_objs.
6210 * config/nextstep.c: Add includes for config.h, stdio.h, and flags.h.
6211 * {i386,m68k}/t-next (nextstep.o): New rule.
6212 * m68k/next.h: Remove include of machmode.h.
6213 * {i386,m68k}/next.c: Files deleted.
6215 Tue Apr 22 20:45:29 1997 Jason Merrill <jason@yorick.cygnus.com>
6217 * sparc.h (DBX_CONTIN_LENGTH): Shrink to 1000.
6219 Tue Apr 22 18:21:20 1997 Jim Wilson <wilson@cygnus.com>
6221 * dwarf2out.c (gen_variable_dir): Add test for DW_AT_declaration to
6222 the old_die if statement, and delete assertion for it.
6223 (decl_ultimate_origin): Remove last change.
6225 Tue Apr 22 10:22:27 1997 Jeffrey A Law (law@cygnus.com)
6227 * mn10300.c (expand_prologue): End the current sequence before
6228 counting the tst insns in the current function. Start a new
6229 one before emitting any prologue instructions.
6231 * mn10300.h (REGISTER_MOVE_COST): Bump up cost of moves in the
6234 * mn10300.md (untyped_call): New expander.
6236 Mon Apr 21 16:30:21 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6238 * cse.c (fold_rtx, case PLUS): When seeing if negative of constant
6239 is around, make sure not dealing with largest negative.
6241 Mon Apr 21 13:57:53 1997 Jim Wilson <wilson@cygnus.com>
6243 * mips/t-ecoff: Set TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
6245 * m68k.c (output_addsi3): New function. From addsi3 pattern.
6246 * m68k.h (output_addsi3): Add declaration.
6247 * m68k.md (movqi+2): Add address registers.
6248 (movxf+1): Disable for TARGET_5200.
6249 (movxf+2): New pattern for TARGET_5200.
6250 (addsi3): Add define_expand. Move code to output_addsi3.
6251 (addsi3_internal): Renamed from addsi3. Disable for TARGET_5200.
6252 (addsi3_5200): New pattern for TARGET_5200.
6254 Sun Apr 20 10:45:35 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6256 * fold-const.c (operand_equal_p): Constants are not equal if there
6257 has been an overflow.
6259 * toplev.c (compile_file): Shorten "branch-probabilities" in
6262 * alpha/vms.h (MOD[SD]I3_LIBCALL): Call ots$rem, not ots$mod.
6263 (DWARF2_DEBUGGING_INFO): Define.
6265 * alpha.c (alpha_need_linkage): Call get_identifier.
6267 * rs6000.c (rs6000_output_load_toc_table): New function.
6268 (output_prolog): Call it instead of doing it directly.
6269 * rs6000.md (nonlocal_goto_receiver): New pattern.
6271 * dwarf2out.c: Major cleanup; mostly reformatting.
6273 Undefine inline ifndef __GNUC__; never define to include static.
6274 Add "static" to header of all inlined functions.
6275 Add declarations for all static functions, with prototypes.
6276 (addr_const_to_string): Use HOST_WIDE_INT_PRINT_* macros.
6277 (add_AT_*, new_{die,loc_descr,cfi): Don't check for xmalloc
6279 (modified_type_die): Add missing parm on recursive call.
6280 ({reg,based}_loc_descriptor): Add missing arg to call to new_loc_descr.
6281 (add_const_value_attribute): Use REAL_VALUE_TYPE for fp calculations.
6282 (output_call_frame_info): Add missing arg to output_cfi call.
6283 (dwarf2out_def_cfa): Local variable OLD_REG must be unsigned long.
6284 * Makefile.in (dwarf2out.o): Includes expr.h.
6286 * dwarf2out.c: Cast first arg in all calls to bzero to char *.
6287 (decl_ultimate_origin): Return NULL if equal to decl.
6288 (constant_size): Never return more than 4.
6289 (value_format, case 8): New case.
6290 (dwarf2out_frame_debug): Use HARD_FRAME_POINTER_REGNUM.
6291 (based_loc_descr): Likewise.
6292 (add_bound_info): Delete default case.
6293 Add cases for CONVERT_EXPR and NON_LVALUE_EXPR; treat like NOP_EXPR.
6294 Change NOP_EXPR to to recursive call.
6295 (add_type_attribute): Ignore unnamed subtype of integral or FP.
6296 (gen_subprogram_die): Use reg_loc_descriptor.
6297 (dwarf2out_decl): Ignore nested functions.
6299 * fix-header.c, protoize.c, gcov.c: Use symbolic codes for exit.
6301 * final.c (profile_function): Only call ASM_OUTPUT_REG_{PUSH,POP}
6304 * expr.c ({move,clear}_by_pieces_1, expand_assignment): Ensure
6305 we have unshared rtx before changing flags.
6306 (store_{constructor,field}): Likewise.
6307 (expand_expr, case COMPONENT_REF): Likewise.
6308 (store_expr): Check if TEMP and TARGET are same with rtx_equal_p.
6310 * emit-rtl.c (change_address, init_emit): Delete forward references.
6311 (rtl_obstack, stack_depth, max_stack_depth): Delete extern decls.
6313 Fri Apr 18 18:25:52 1997 Jim Wilson <wilson@cygnus.com>
6315 * function.c (instantiate_decls): For DECL_INCOMING_RTL, use max
6316 of type size and mode size in instantiate_decl call.
6318 * fixincludes (sys/lc_core.h): Fix OSF1/4.x namespace pollution.
6320 Wed Apr 16 19:36:53 1997 Jason Merrill <jason@yorick.cygnus.com>
6322 * dwarf2out.c (add_bound_info): Use a DIE instead of a location
6323 expression for variable bounds. Trust a MEM rtx even when
6325 (DWARF_FRAME_RETURN_COLUMN): Default to FIRST_PSEUDO_REGISTER.
6327 * expr.c (expand_expr, case RTL_EXPR): If there is no sequence,
6328 don't set it to const0_rtx.
6329 * tree.c (array_type_nelts): Don't return any SAVE_EXPRs.
6331 Mon Apr 14 18:12:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
6333 * rs6000.h (RS6000_ITRUNC, RS6000_UITRUNC): Prepend underscores.
6334 (RS6000_MCOUNT): New macro.
6335 (ASM_FILE_START): Use RS6000_MCOUNT.
6336 * rs6000.c (output_function_profiler): Use RS6000_MCOUNT.
6337 * rs6000/aix31.h (RS6000_{ITRUNC,UITRUNC,MCOUNT}): New macros.
6339 Mon Apr 14 14:37:27 1997 Jeffrey A Law (law@cygnus.com)
6341 * mn10300.c (can_use_return_insn): Include outgoing argument
6342 area in size computation.
6343 (expand_prologue): Likewise. No longer diddle with sequences.
6344 Put register saves just before outgoing argument area.
6345 (expand_epilogue): Similarly.
6346 (impossible_plus_operand): New function.
6347 * mn10300.h (FRAME_POINTER_REQUIRED): Never require a frame pointer.
6348 (ACCUMULATE_OUTGOING_ARGS, OUTGOING_REG_PARM_STACK_SPACE): Define.
6349 (impossible_plus_operand): Declare.
6350 * mn10300.md (reload_insi): New expander to handle pathological
6352 (addsi3): Fix CC status.
6354 * mn10300.h (FUNCTION_VALUE): Return addresses in $a0.
6355 (FUNCTION_VALUE_REGNO_P): Corresponding changes.
6356 * mn10300.md (call_value_internal): Allow output to be in an
6359 * calls.c (emit_library_call): Handle saving of stack slots when
6360 ACCUMULATE_OUTGOING_ARGS is defined.
6361 (emit_library_call_value): Likewise.
6363 Mon Apr 14 14:48:15 1997 Jim Wilson <wilson@cygnus.com>
6365 * sh.md (xtrct_left, xtrct_right): New patterns.
6367 * combine.c (get_last_value_validate): New argument insn.
6368 Add check for memory reference clobbered by later store.
6369 (record_value_for_reg, get_last_values): Pass in new argument.
6371 Mon Apr 14 14:03:18 1997 Mike Meissner <meissner@cygnus.com>
6373 * configure (powerpc --with-cpu=x): Add embedded powerpcs and 604e.
6375 * rs6000.c (rs6000_override_options): Recognize -mcpu=801, -mcpu=823,
6378 Sun Apr 13 18:43:16 1997 Ian Lance Taylor <ian@cygnus.com>
6380 * reload1.c (invalidate_regno_rtx): New static variable.
6381 (reload_cse_invalidate_regno): Check whether any earlier registers
6382 have a multi-register value which includes the register we are
6384 (reload_cse_regs): Initialize invalidate_regno_rtx.
6386 * reload1.c (reload_cse_record_set): When setting reg_values for a
6387 copy from one register to another, use gen_lowpart_common to
6388 adjust the value correctly if the mode changes.
6390 Sun Apr 13 17:24:48 1997 Doug Evans <dje@cygnus.com>
6392 * expr.c (move_block_from_reg): Try using integral mov operation first.
6394 * calls.c (expand_call): When copying unaligned values into a register,
6395 zero out the register first rather than emitting a clobber.
6397 * integrate.c (copy_rtx_and_substitute): If FRAME_GROWS_DOWNWARD
6398 and regno == VIRTUAL_STACK_VARS_REGNUM, round size of stack slot up
6399 before calling assign_stack_temp.
6401 Sun Apr 13 15:29:38 1997 Ulrich Drepper <drepper@cygnus.com>
6403 * enquire.c (fake_f_rep): Add missing element name in cast.
6405 Sun Apr 13 15:20:05 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6407 * stor-layout.c (layout_record, PCC_BITFIELD_TYPE_MATTERS):
6408 Fix sign bug in last change.
6410 Sun Apr 13 15:03:38 1997 J.T. Conklin <jtc@netbsd.org>
6412 * m68k.md (movstricthi): Remove extraneous comparisons.
6414 * configure (*-*-netbsd): tmake_file now t-netbsd; delete xmake_file.
6415 * config/t-netbsd: New file.
6416 * config/x-netbsd: Removed.
6418 Sun Apr 13 14:51:25 1997 Richard Earnshaw (rearnsha@armltd.co.uk)
6420 * cse.c (canon_reg, cse_insn): Don't examine insn_n_dups if
6421 recog_memoized fails to find a match.
6423 Sun Apr 13 14:17:26 1997 Ian Lance Taylor <ian@cygnus.com>
6425 * reload1.c (reload_cse_noop_set_p): Add insn parameter. Change
6426 all callers. If deleting the instruction, remove any earlier
6427 REG_DEAD note for DREG.
6428 (reload_cse_simplify_set): If simplifying, remove any earlier
6429 REG_DEAD note for the new source register.
6431 Sun Apr 13 14:12:08 1997 Pat Rankin <rankin@eql.caltech.edu>
6433 * libgcc2 (L_bb, L_exit): Use 0 rather than NULL for null pointers.
6435 Sun Apr 13 12:53:03 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6437 * m68k/linux.h (ASM_SPEC): Define.
6438 (STRUCT_VALUE_REGNUM, STATIC_CHAIN_REGNUM, INITIALIZE_TRAMPOLINE):
6439 Remove definitions, undoing the change of Mar 20 1996.
6441 * m68k.c (output_move_qimode): Optimize pushing one byte if source
6442 operand does not use stack pointer.
6444 * m68k.md (rotl[shq]i3, rotl[hq]i3+1): Don't directly modify operand.
6446 * m68k.md (tstdi): Add missing parallel around the pattern.
6448 Sun Apr 13 12:51:00 1997 Paul Eggert <eggert@twinsun.com>
6450 * cccp.c, cpplib.c (do_include): Diagnose #import and
6451 #include_next if pedantic and if not in a system header.
6452 (do_warning): #warning now causes an error if -pedantic-errors
6453 is given; this is needed since #warning isn't ANSI.
6455 * toplev.c (lang_options): Add -Wundef, -Wno-undef.
6456 * c-decl.c (c_decode_option): Ignore -Wundef, -Wno-undef.
6458 * cccp.c, cexp.y (warn_undef): New variable.
6459 * cpplib.h (struct cpp_options): New member warn_undef.
6460 (CPP_WARN_UNDEF): New macro.
6462 * cccp.c (main), cpplib.c (cpp_handle_options): Set warn_undef
6463 from -Wundef and -Wno-undef.
6465 * cppexp.c (cpp_lex) New arg skip_evaluation.
6466 (cpp_parse_expr): Pass skip_evaluation to cpp_lex.
6467 Abort if cpp_lex returns NAME.
6469 * cexp.y (exp), cppexp.c (cpp_lex): Optionally warn about undefined
6470 identifiers that evaluate to 0.
6472 Sun Apr 13 11:43:16 1997 Joel Sherrill <joel@OARcorp.com>
6474 * configure (hppa1.1-*-rtems*): New target.
6475 * mips/rtems.h: New file.
6477 Sun Apr 13 09:48:26 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6479 * gcov.c (print_usage, open_files): Use FATAL_EXIT_CODE.
6480 * collect2.c (fatal_perror, fatal, collect_wait): Likewise.
6482 * sparc.c (eligible_for_delay_slot): Clean up and make to agree
6483 precisely with patterns in MD file.
6484 * sparc.md (*return_addsi): Change condition to exclude both ints.
6485 (*return_adddi): Likewise.
6486 (*return_subsi): New pattern.
6488 * recog.c (validate_replace_rtx_1, case MINUS): New case.
6490 Sun Apr 13 08:20:24 1997 Thomas Bushnell <thomas@gnu.ai.mit.edu>
6492 * i386/gnu.h (TARGET_VERSION): Redefine.
6494 Sun Apr 13 08:15:31 1997 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
6496 * c-typeck.c (lookup_field): Don't recurse unless FIELD is
6497 a RECORD_TYPE or UNION_TYPE.
6499 * final.c (profile_function): Save the static chain register
6500 around the call to the profiler function.
6502 * loop.c (invariant_p, case REG): Pointers into frame are not
6503 invariants if function has nonlocal gotos.
6504 * reload1.c (reload): If function has nonlocal label, mark all
6505 caller-saved regs as used.
6507 Fri Apr 11 16:49:06 1997 Doug Evans <dje@seba.cygnus.com>
6509 * m32r.h (REG_ALLOC_ORDER): Restore to original setting.
6511 * m32r.h (UPPER16_P): Fix calculation.
6512 * m32r.c (two_insn_const_operand): New function.
6513 (m32r_print_operand): Handle 'X'.
6514 * m32r.md (movsi): Tweak.
6515 (*movsi_insn): Output hex value of constants too.
6516 (movsi define_split): Add.
6517 (andsi3,orsi3,xorsi3): Output hex value of constants too.
6519 Thu Apr 10 18:39:33 1997 Jim Wilson <wilson@cygnus.com>
6521 * sh.md (sne): Modified to use negc instead of xor.
6522 (sne+1): New define_split for new sne pattern.
6523 * sh.c (output_stack_adjust): Reorganize code for readability.
6524 If size is negative, negate and subtract it instead of adding it.
6526 Wed Apr 9 13:51:07 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6528 * sh.c (output_stack_adjust): When splitting an adjustment into two
6529 parts, make sure the stack is aligned at all times.
6531 Tue Apr 8 12:34:38 1997 Jeffrey A Law (law@cygnus.com)
6533 * mn10300.h (RETURN_ADDR_RTX): Define.
6535 Mon Apr 7 19:19:57 1997 Jeffrey A Law (law@cygnus.com)
6537 * mn10300.c (count_tst_insns): New function.
6538 (expand_prologue): Load zero into data and/or address registers
6539 if any are free and the function has optimizable tst insns.
6540 (output_tst): If a suitable register is known to have the
6541 value zero, use it instead of searching for a suitable register.
6542 * mn10300.h (zero_dreg, zero_areg): Declare.
6543 (FRAME_POINTER_NEEDED): Frame pointers are not needed if the
6544 outgoing argument size is zero.
6545 * mn10300.md (movXX): Optimize loading zero into an address
6546 register if possible. Optimize loading a DF/DI mode value
6547 into an address register from a constant memory address.
6548 (addsi3): Provide alternative which doesn't require a matching
6550 (return): Optimize consecutive return instructions.
6552 Mon Apr 7 17:30:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6554 * mips/iris5.h (SUBTARGET_CC1_SPEC): Define.
6555 (LINK_SPEC, STARTFILE_SPEC): Support -static.
6556 * mips/iris6.h (SUBTARGET_CC1_SPEC): Define.
6557 (STARTFILE_SPEC, LINK_SPEC): Support -static.
6558 * mips.h: (SUBTARGET_CC1_SPEC): Define.
6559 (CC1_SPEC): Add subtarget_cc1_spec.
6560 (EXTRA_SPECS): Add subtarget_cc1_spec.
6562 Sun Apr 6 12:24:53 1997 Richard Earnshaw (rearnsha@armltd.co.uk)
6564 * arm.md (incscc): Use a match_operand with cc_register to match
6565 the condition code register.
6566 (decscc, *condbranch, *condbranch_reversed, *mov_scc): Likewise.
6567 (*mov_negscc, *mov_notscc, *cond_return): Likewise.
6568 (*cond_return_inverted, *ior_scc, *cond_move): Likewise.
6570 (andsi_notsi_si): Renamed from *andsi_notsi_si.
6571 (andsi_not_shiftsi_si): New insn.
6572 (*minmax_arithsi): Don't match this insn if operand1 is an
6573 eliminable register.
6574 ({sin,cos}*): Delete, since the ARM always emulates these its
6575 faster to call a library function.
6576 (movsicc, *movsicc_insn): Make operand0 an s_register_operand,
6577 and operand3 an arm_not_operand. Use cc_register to match the
6578 condition code register.
6579 (mov[sd]fcc*): Make operand[0,2] s_register_operands, and operand3
6580 the nonmemory_operand. Use cc_register to match the condition
6582 (*ifcompare_plus_move): Move before *ifcompare_arith_move. Just do
6583 a split for the output.
6584 (*ifcompare_move_plus): Similarly, but relative
6585 to *ifcompare_move_arith.
6586 (*if_plus_move, *if_move_plus): New patterns.
6587 (*ifcompare_arith_arith): Simplify the alternatives down to just one,
6588 and split the insn before output.
6589 (*if_arith_arith, *if_arith_move, *if_move_arith): New patterns.
6590 (*ifcompare_move_not, *ifcompare_not_move): Simplify and split the
6592 (*if_move_not, *if_not_move): New patterns.
6593 (*ifcompare_shift_move, *ifcompare_move_shift): Simplify and split the
6595 (*if_shift_move, *if_move_shift): New patterns.
6596 (*ifcompare_shift_shift): Simplify and split the insn before output.
6597 (*if_shift_shift): New pattern.
6598 (*ifcompare_not_arith, *ifcompare_arith_not): Simplify and split the
6600 (*if_not_arith, *if_arith_not): New patterns.
6601 (*ifcompare_neg_move, *ifcompare_move_neg): Simplify and split the
6603 (*if_neg_move, *if_move_neg): New patterns.
6605 Sat Apr 5 20:17:43 1997 Michael Meissner <meissner@cygnus.com>
6607 * rs6000/sol-ci.asm (_environ): Don't make _envrion a common
6608 variable, the lastest assembler doesn't let common variables also
6611 Fri Apr 4 18:30:12 1997 Jim Wilson <wilson@cygnus.com>
6613 * rs6000.md (adddi3): Use non_short_cint_operand instead of
6614 non_add_cint_operand.
6616 Thu Apr 3 15:08:39 1997 Jeffrey A Law (law@cygnus.com)
6618 * mn10300.c (can_use_return_insn): Add size of fixed stack space
6619 for function calls into the size of the frame.
6620 (expand_prologue, expand_epilogue): Likewise.
6621 (initial_offset): Corresponding changes..
6622 * mn10300.h (OUTGOING_REG_PARM_STACK_SPACE): No longer define.
6623 (STACK_POINTER_OFFSET): Define.
6624 * mn10300.md (call, call_value expanders): Don't adjust the stack
6625 pointer here anymore.
6627 * mn10300.md (ashlsi3): Remove some alternatives which are no longer
6630 Thu Apr 3 15:06:53 1997 Jim Wilson <wilson@cygnus.com>
6632 * local-alloc.c (no_conflict_p): Reject sequences with foreign insns.
6634 * combine.c (move_deaths): Handle partial REG_DEAD note for
6635 multi-reg hard register.
6637 * function.c (expand_function_start): Emit queue after expanding
6638 each dynamic parameter type.
6640 * mips.c (mips_move_2words): Add SIGN_EXTEND support for SYMBOL_REF,
6641 LABEL_REF, and CONST operands.
6643 * dwarf2out.c: Delete comment referring to README.DWARF.
6645 Wed Apr 2 17:21:23 1997 Jim Wilson <wilson@cygnus.com>
6647 * rs6000.md (ashrdi3_power): Mark alternative 0 as early_clobber
6650 * rs6000.md (abssi3_nopower define_split): Switch operands of MINUS.
6651 (nabssi3_nopower define_split): Likewise.
6653 Tue Apr 1 19:30:01 1997 Mike Stump <mrs@cygnus.com>
6655 * libgcc2.c (find_exception_table): Fix to logic to deal with
6656 functions that are in their own section, such as template
6657 instantiations, that cause overlapping EH tables.
6659 Tue Apr 1 17:16:22 1997 Jeffrey A Law (law@cygnus.com)
6661 * Makefile.in (USER_H): Add va-mn10300.h
6663 * ginclude/stdarg.h: Include va-mn10300.h.
6664 * ginclude/varargs.h: Likewise.
6665 * ginclude/va-mn10300.h: New file.
6666 * mn10300.c (expand_prologue): If current_function_varargs is nonzero,
6667 flush d0/d1 back into stack.
6668 (mn10300_builtin_saveregs): New function.
6669 (function_arg, function_arg_partial_nregs): New functions.
6670 (initial_offset): Tweak now that the RP save area is allocated
6671 and deallocated around each call again.
6672 * mn10300.h (FIRST_PARM_OFFSET): Now 4.
6673 (FRAME_POINTER_REQUIRED): Require frame pointer for all non-leaf fcns.
6674 (REG_PARM_STACK_SPACE): Now 8 bytes.
6675 (FUNCTION_ARG_REGNO_P): Update for new parameter passing conventions.
6676 (CUMULATIVE_ARGS, INIT_CUMULATIVE_ARGS): Likewise.
6677 (FUNCTION_ARG_ADVANCE, FUNCTION_ARG): Likewise.
6678 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
6679 (TRAMPOLINE_TEMPLATE): Don't clobber d0 anymore.
6680 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
6681 (EXPAND_BUILTIN_SAVEREGS): Define.
6682 * mn10300.md (call, call_value patterns): Allocate and deallocate
6683 stack slot for return pointer around each call.
6685 * mn10300.h (RTX_COSTS): Refine.
6686 (CASE_VALUES_THRESHHOLD, NO_FUNCTION_CSE): Likewise.
6687 * mn10300.c (output_tst): New function.
6688 * mn10300.md (movdi, movdf): Improve code to load constants into regs.
6689 (tst insns): Use output_tst to optimize some cases. Add versions to
6690 encourage more zero extensions instead of sign extensions of HImode
6692 (divsi3, udivsi3): Remove patterns. Replaced by...
6693 (divmodsi4, udivmodsi4): New expanders/patterns.
6694 (andsi3): Optimize "and" operations with certain constants.
6696 Tue Apr 1 09:14:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6698 * sh.h: (ADJUST_COSTS): Define.
6700 Fri Mar 28 17:46:13 1997 Jim Wilson <wilson@cygnus.com>
6702 * Makefile.in (LANGUAGES): Add gcov.
6703 (OBJS): Add profile.o.
6704 (STAGESTUFF): Add gcov.
6705 (profile.o, gcov.o, gcov): Add rules to build them.
6706 (install-common): Install gcov.
6707 * combine.c (distribute_notes): Handle REG_BR_PROB and REG_EXEC_COUNT
6709 * sparc.h (OVERRIDE_OPTIONS): Check profile_arc_flag.
6710 * final.c (LONG_TYPE_SIZE): Define.
6711 (count_instrumented_arcs): New variable.
6712 (end_final, profile_after_prologue, leaf_function_p): Add support
6713 for profile_arc_flag.
6714 (add_bb): Only call CC_STATUS_INIT if HAVE_cc0.
6715 * flags.h (profile_arc_flag, flag_test_coverage,
6716 flag_branch_probabilities): Declare.
6717 * function.c (expand_function_end): Output NOTE_REPEATED_LINE_NUMBER
6718 for last line of function.
6719 * integrate.c (expand_inline_function): Output
6720 NOTE_REPEATED_LINE_NUMBER after inlined call.
6721 * jump.c (jump_optimize, follow_jumps, mark_jump_label): Disable some
6722 optimizations when flag_test_coverage and there is a line number note
6724 (invert_jump): Add REG_BR_PROB when flag_branch_probabililties.
6725 * libgcc2.c (__bb_exit_func): Support gcov style output.
6726 * reorg.c (mostly_true_jump): Use REG_BR_PROB notes when
6727 flag_branch_probabilities.
6728 * rtl.c (note_insn_name): Add NOTE_REPEATED_LINE_NUMBER.
6729 (reg_note_name): Add REG_BR_PROB and REG_EXEC_COUNT.
6730 * rtl.h (enum reg_note): Add REG_BR_PROB and REG_EXEC_COUNT.
6731 (REG_BR_PROB_BASE): Define.
6732 (NOTE_REPEATED_LINE_NUMBER): Define.
6733 * sched.c (update_flow_info): Handle REG_EXEC_COUNT and REG_BR_PROB
6735 * toplev.c (branch_prob_dump, profile_arc_flag, flag_test_coverage,
6736 flag_branch_probabilities, branch_prob_dump_file, branch_prob_time):
6738 (f_options): Add profile-arcs, test-coverage, and
6739 branch-probabilities.
6740 (compile_file): Set branch_prob_time. Pass flag_test_coverage to
6741 init_emit_once. Handle branch_prob_dump. Call init_branch_prob.
6742 Call end_branch_prob. Call output_func_start_profiler.
6743 (rest_of_compilation): Handle branch_prob_dump. Call new
6745 (main): Set branch_prob_dump.
6746 * gcov.c, profile.c, gcov-io.h, gcov.texi: New files.
6748 Thu Mar 27 16:52:52 1997 Stan Cox <coxs@dg-rtp.dg.com>
6750 * i386.h (CPP_CPU_DEFAULT): Define if TARGET_CPU_DEFAULT is not set.
6751 * i386.h (STACK_BOUNDARY): Define to always be 32.
6753 From J"orn Rennecke <amylaar@cygnus.co.uk>
6754 * i386.md: (zero_extendhisi2+[12]): Use true_regnum instead of
6755 REGNO for operand 0.
6756 (zero_extendqisi2+3): Use reg_overlap_mentioned_p instead of REGNO
6757 comparison; use true_regnum instead of REGNO for rtx generation.
6759 Wed Mar 26 12:34:21 1997 Ian Lance Taylor <ian@cygnus.com>
6761 * reload1.c (reload): Call reload_cse_regs.
6762 (reg_values): New static variable.
6763 (reload_cse_invalidate_regno): New static function.
6764 (reload_cse_mem_conflict_p): New static function.
6765 (reload_cse_invalidate_mem): New static function.
6766 (reload_cse_invalidate_rtx): New static function.
6767 (reload_cse_regs): New static function.
6768 (reload_cse_regno_equal_p): New static function.
6769 (reload_cse_noop_set_p): New static function.
6770 (reload_cse_simplify_set): New static function.
6771 (reload_cse_check_clobbered): New static variable.
6772 (reload_cse_check_src): New static variable.
6773 (reload_cse_check_clobber): New static function.
6774 (reload_cse_record_set): New static function.
6776 Wed Mar 26 07:34:06 1997 Ulrich Drepper <drepper@cygnus.com>
6778 * ginclude/stdarg.h (__va_copy): New definition.
6780 Tue Mar 25 13:43:36 1997 Michael Meissner <meissner@cygnus.com>
6782 * gcc.c (init_spec): If -v, print out that the default spec values
6783 were being used. Fix prototype to reflect no arguments.
6784 (set_spec): If specs has not been set, set it up with the default
6786 (read_specs): Move to later in the file so that startfile_prefixes
6787 has been declared. Process "%include <file>" to include another
6788 specs file, aborting if the file can't be found. Process
6789 "%include_noerr <file>: to include another specs file, giving no
6790 error if the file can't be found. Process "%rename var1 var2" to
6791 rename a specs variable. Take new argument that indicates whether
6792 we are processing the main file. Only process % commands if this
6793 is not the main specs file. Change callers.
6794 (main): Do not call init_spec if a specs file was found.
6795 (set_spec,read_specs,do_spec_1): If DEBUG_SPECS is defined, print
6798 Tue Mar 25 14:43:58 1997 Doug Evans <dje@cygnus.com>
6800 * expr.c (emit_push_insn): Delete emission of CLOBBER
6801 when doing partial push, no longer necessary.
6803 * c-decl.c (grokdeclarator): Pedwarn qualified void function return
6806 Tue Mar 25 14:28:15 1997 Richard Earnshaw (rearnsha@armltd.co.uk)
6808 * reload.c (find_dummy_reload): New parameter earlyclobber. If set
6809 then don't use IN for the reload if it also appears elsewhere in
6810 the insn. All callers changed.
6812 Tue Mar 25 13:20:18 1997 J.T. Conklin <jtc@cygnus.com>
6814 * m68k/lb1sf68.asm (udivsi3): Fix hunk from previous patch that
6815 did not apply correctly.
6817 * m68k.md (tablejump): Use extl to explicitly sign extend
6818 index registeron TARGET_5200.
6819 * m68k/{apollo68.h,coff.h,linux.h,mot3300.h,pbb.h}
6820 (ASM_RETURN_CASE_JUMP): Likewise.
6822 * m68k.md (mulsi3): Changed into define_expand. Split insn into
6823 m68k and coldfire specific versions with appropriate constraints.
6825 * m68k.md (movqi): Disable use of address registers for
6828 * m68k/lb1sf68.asm (__modsi3, __umodsi3): Use mulsl instruction
6829 instead of __mulsi3 function call on the coldfire.
6831 * m68k.md (bne0_di): Fix typo in last change.
6833 * m68k.md (xorsi3_5200): Correct constraints.
6835 * m68k.c (output_move_{si,hi,qi}mode): New functions.
6836 * m68k.h (output_move_{si,hi,qi}mode): Declare.
6838 * m68k.md (move{si,hi,qi,di}): Changed into define_expands. Split
6839 insns into m68k and coldfire specific versions with appropriate
6842 Tue Mar 25 12:18:41 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6844 * Makefile.in (GCC_PASSES): Revert previous change; use cc1$(exeext).
6846 Mon Mar 24 16:12:20 1997 Doug Evans <dje@cygnus.com>
6848 * m32r/*: New files.
6849 * config.sub: Add m32r.
6850 * configure: Add m32r.
6851 * longlong.h: Add m32r support.
6852 * ginclude/{stdarg.h,varargs.h}: Add m32r support.
6853 * ginclude/va-m32r.h: New file.
6855 Mon Mar 24 15:53:15 1997 Joel Sherrill <joel@OARcorp.com>
6857 * rs6000/rtems.h: Change to a near clone of the powerpc-eabi target.
6858 * configure (powerpc*-*-rtems): Move before GNU/Linux configuration.
6860 Mon Mar 24 14:26:37 1997 Gavin Koch <gavin@cygnus.com>
6862 * ginclude/va-mips.h: For little endian, eabi, objects
6863 less than __va_reg_size are passed in registers.
6865 Fri Mar 21 00:48:02 1997 Jeffrey A Law (law@cygnus.com)
6867 * mn10300.c (print_operand): Handle 'N'.
6869 * mn10300.c (expand_epilogue): Correctly handle functions
6870 with large frames, but no callee register saves.
6872 * mn1300.md (movdf, movdi): Handle overlapping moves.
6874 * pa.c (compute_movstrsi_length): Handle residuals correctly.
6876 Thu Mar 20 13:53:30 1997 Michael Meissner <meissner@cygnus.com>
6878 * rs6000.c (easy_fp_constant): If -mrelocatable, consider all fp
6879 constants to be hard.
6881 Mon Mar 20 13:53:30 1997 Jim Wilson <wilson@cygnus.com>
6883 * rs6000.md (movdf/movsf define_splits): Add SUBREG support.
6885 * rs6000.c (fp_reg_or_mem_operand): Delete.
6886 * rs6000.h (PREDICATE_CODES): Remove fp_reg_or_mem_operand.
6887 (fp_reg_or_mem_operand): Delete declaration.
6888 * rs6000.md (movsf_hardfloat): Use nonimmediate_operand instead
6889 of fp_reg_or_mem_operand.
6891 Thu Mar 20 08:52:27 1997 Jeffrey A Law (law@cygnus.com)
6893 * mn10300.md (cmpsi): Handle comparing a register with
6894 itself by adding zero to the reg. Z bit for such an insn is
6896 * mn10300.c (notice_update_cc): Handle CC_INVERT.
6898 * pa.c (emit_move_sequence): Don't lose for a secondary reload
6899 to the SAR register if the input is a MEM with an offset that won't
6902 Wed Mar 19 17:10:44 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
6904 * m68k/linux.h (ASM_OUTPUT_MI_THUNK): Define.
6906 Wed Mar 19 16:59:34 1997 Paul Eggert <eggert@twinsun.com>
6908 * cccp.c, cpplib.c (do_error, do_warning): Fix memory leak.
6910 * cccp.c (output_line_directive): Do not output negative line
6911 numbers when analyzing directives like `#line 0'.
6913 * cexp.y (parse_number, yylex), cccp.c (rescan), cpplib.c
6914 (cpp_get_token): Unless -lang-c89 is specified, allow C9X-style
6915 hexadecimal floating-point numbers as preprocessor numbers.
6916 * cccp.c (c89): New decl.
6917 (main): Set it to 1 if -lang-c89.
6918 * cpplib.h (struct cpp_options): New member c89.
6919 (CPP_C89): New macro.
6920 * cpplib.c (unsafe_chars): `p' is unsafe before `-' or `+', since it
6921 might generate a C9X-style hexadecimal floating-point number.
6922 (cpp_handle_options): Set c89 option to 1 if -lang-c89.
6924 Tue Mar 18 17:05:57 1997 Stan Cox <coxs@dg-rtp.dg.com>
6926 * i386.h (STACK_BOUNDARY): Determine according to TARGET_ALIGN_DOUBLE.
6928 * i386.c (override_options) Make the default alignment 4 for 486,
6931 * i386/freebsd-elf.h (CPP_SPEC): Remove TARGET_CPU_DEFAULT reference.
6932 * i386/linux{,-aout,-oldld}.h (CPP_SPEC): Likewise.
6934 * i386/go32.h (DBX_DEBUGGING_INFO, PREFERRED_DEBUGGING_TYPE,
6935 NO_STAB_H, ASM_FILE_START, DBX_BLOCKS_FUNCTION_RELATIVE,
6936 DBX_FUNCTION_FIRST, DBX_OUTPUT_MAIN_SOURCE_FILE_END,
6937 ASM_OUTPUT_SOURCE_LINE): Added to support stabs.
6938 (ASM_OUTPUT_SECTION_NAME): Support section attribute.
6940 Tue Mar 18 16:12:28 1997 Jim Wilson <wilson@cygnus.com>
6942 * final.c (shorten_branches): Split all insns before computing insn
6944 (final_scan_insn, case default): If HAVE_ATTR_length defined, call
6945 abort for any insn that has a '#' output template.
6947 * expr.c (emit_group_load): Call operand_subword instead of creating
6950 * reload1.c (reload_reg_free_before_p, case
6951 RELOAD_FOR_OPERAND_ADDRESS): Conflicts with RELOAD_FOR_OPADDR_ADDR
6954 * configure (alpha-dec-osf[23456789]*): Use install-headers-cpio
6957 * gcc.c (init_spec): Delete parameter. Always initialize extra_specs.
6958 (process_command, main): Change all callers.
6960 * combine.c (if_then_else_cond): Call copy_rtx to prevent sharing.
6962 Tue Mar 18 14:59:12 1997 Ian Lance Taylor <ian@cygnus.com>
6964 * function.c (assign_parms): Add a REG_EQUIV note to the
6965 instruction which copies a parameter into a pseudo-register
6966 whenever there is an associated stack slot, even if the parameter
6967 actually arrived in a register.
6969 Tue Mar 18 14:24:48 1997 Doug Evans <dje@cygnus.com>
6971 * configure (alpha-dec-osf[23]): Separate osf[23] case.
6972 * alpha.h (LIB_SPEC): -lprof1 requires -lpdf for OSF 4.
6973 * alpha/osf2or3.h: New file.
6975 Tue Mar 18 11:32:10 1997 Jeffrey A Law (law@cygnus.com)
6977 * m68k.c (m68k_last_compare_had_fp_operands): New variable.
6978 * m68k.h (m68k_last_compare_had_fp_operands): Declare it.
6979 * m68k.md (tst*, cmp*): Turn into define_expand/define_insn pairs.
6980 Keep track of whether test/compare has fp operands.
6981 (seq, sne, sgt, slt, sge, sle): Turn into define_expand/define_insn
6982 pairs. Make expanders FAIL if TARGET_68060 and last comparison/test
6985 Tue Mar 18 04:29:29 1997 Richard Earnshaw <rearnsha@armltd.co.uk>
6987 * arm.md (movhi): Handle generation of large constants during
6990 Mon Mar 17 17:30:24 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
6992 * gmicro.h (RETURN_POPS_ARGS): Make sure FUNDECL is non-nil
6993 before we try to use it.
6994 * m68k.h (RETURN_POPS_ARGS): Likewise.
6995 * ns32k.h (RETURN_POPS_ARGS): Likewise.
6996 * pyr.h (RETURN_POPS_ARGS): Likewise.
6998 Mon Mar 17 17:13:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7000 * stor-layout.c (layout_record, PCC_BITFIELD_TYPE_MATTERS):
7001 Only add padding if a bit field would otherwise span more units
7002 of alignment than its base type.
7004 Mon Mar 17 17:03:55 1997 J.T. Conklin <jtc@cygnus.com>
7006 * m68k.md (beq0_di, bne0_di, bge0_di, blt0_di): Use cmpw #0
7007 instead of tstl when testing address registers on the 68000.
7009 * m68k/lb1sf68.asm: Fix prologues/epilogues to deal with the lack
7010 of predecrement/postincrement addressing modes in the coldfire
7013 Mon Mar 17 17:00:14 1997 Scott Christley <scottc@net-community.com>
7015 * Fix long standing bug where first method call for a class could
7016 result in a garbled stack or produce an incorrect return value.
7017 * objc/sendmsg.c (__objc_block_return): Remove function.
7018 (__objc_word_return, __objc_double_return): Remove functions.
7019 (__objc_get_forward_imp): New function.
7020 (__objc_init_dispatch_tables): Install zero instead of
7021 __objc_init_install_dtable.
7022 (__objc_init_install_dtable): No longer call the method but
7023 allow objc_msg_lookup return it for normal execution.
7024 (obj_msg_lookup): Differentiate between when a method isn't
7025 implemented and when the dispatch table needs to be installed.
7026 Return the IMP when the dispatch table is installed versus
7027 having __objc_init_install_dtable call it.
7028 (get_imp): Install dispatch table if needed and return IMP
7029 from the newly installed dispatch table.
7030 (__objc_responds_to): Install dispatch table if needed before
7031 checking if method is implemented.
7033 Mon Mar 17 16:29:38 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7035 * tree.c (build_{index,range}_type): Ensure expressions for min
7036 and max value are in same obstack as type.
7038 Mon Mar 17 15:44:18 1997 Pat Rankin <rankin@eql.caltech.edu>
7040 * cccp.c [#if VMS] (O_RDONLY, O_WRONLY): Delete (redundant).
7041 (BSTRING): Delete (obsolete; usage occurs prior to definition).
7042 (do_include): Handle old VAX C style includes better.
7044 Mon Mar 17 13:46:47 1997 Paul Eggert <eggert@twinsun.com>
7046 * cexp.y, cppexp.c (parse_number): Invalid integer constants are
7048 * cexp.y (yylex): Invalid multibyte characters are errors if pedantic.
7049 * cppexp.c (cpp_lex): Likewise.
7050 * cppexp.c (cpp_parse_escape): Character constants that do not fit are
7053 * c-parse.in (expr_no_commas): Do not store temporary
7054 skip_evaluation increments on yacc value stack.
7056 Sun Mar 16 19:54:49 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7058 * expr.c (expand_expr, case PLACEHOLDER_EXPR): Refine which
7061 Sun Mar 16 15:45:45 1997 Jeffrey A Law (law@cygnus.com)
7063 * loop.c (strength_reduce): Adjust BENEFIT appropriately if an
7064 autoincrement memory reference will eliminate add insns.
7066 Sun Mar 16 08:41:40 1997 Scott Christley <scottc@net-community.com>
7068 * i386.md (untyped_call): Re-enable code.
7069 * objc/sendmsg.c (__objc_block_return): New function.
7070 (__objc_word_return, __objc_double_return): New functions.
7071 (__objc_init_install_dtable): Call appropriate return function
7072 based upon method type.
7073 * objc/thr-pthreads.c: Correct include path.
7075 Sat Mar 15 07:58:33 1997 Scott Christley <scottc@net-community.com>
7077 * objc-act.c (OBJC_VERSION): Increment version.
7078 * objc/init.c (OBJC_VERSION): Likewise.
7080 Sat Mar 15 07:58:00 1997 Ovidiu Predescu <ovidiu@net-community.com>
7083 * objc/init.c (objc_send_load, __objc_send_load): New functions.
7084 (__objc_send_message_in_list): New function.
7085 (__objc_force_linking): New function.
7086 (__objc_exec_class): Don't call _objc_load_callback here.
7087 * objc/linking.m: New file.
7088 * objc/sendmsg.c (class_add_method_list): Check for the +load method
7089 when adding a methods list to a class.
7090 * objc/Makefile (OBJC_O): Add linking.m.
7092 * Allow methods defined in categories to override methods that are
7093 defined in the class implementation.
7094 * objc/sendmsg.c (__objc_install_methods_in_dtable): New function.
7095 (class_add_method_list): Don't check anymore for duplicate methods.
7097 * config/nextstep.h (INCLUDE_DEFAULTS): Define to something useful
7098 when cross-compiling.
7100 * The static instances list moved from the objc_module struct to
7101 objc_symtab struct, at the end of defs array. This now allows the NeXT
7102 gdb to work with binaries generated for the GNU ObjC runtime.
7103 * objc-act.c (build_objc_symtab_template): Make sure
7104 defs in objc_symtab is a NULL terminated array.
7105 (init_def_list): Attach statics to end of def list.
7106 (init_objc_symtab): Take statics list into account.
7107 (init_module_descriptor, build_module_descriptor): Don't add statics.
7108 (generate_static_references): Indicate that statics are used.
7109 (finish_objc): Process statics in the beginning.
7110 * objc/objc-api.h (objc_module): Eliminate statics variable.
7111 * objc/init.c (__objc_exec_class): Access statics from their
7112 new place in the defs variable.
7114 Sat Mar 15 07:29:15 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7116 * reload.c: Include expr.h.
7117 (find_reloads_address, find_reloads_address_1): New argument INSN.
7118 (find_reloads_address_1): Reload inside of p{re,ost}_{in,de}c
7119 instead of entire p{re,ost}_{in,de}c where appropriate.
7120 * Makefile.in (reload.o): Added expr.h to dependencies list.
7122 Sat Mar 15 07:17:12 1997 Richard Henderson <rth@tamu.edu>
7124 * reload.h (eliminate_regs): Add STORING arg.
7125 * reload1.c (eliminate_regs): Likewise.
7126 (eliminate_regs, case SET): Pass that we are storing to recursive call.
7127 (eliminate_regs, case SUBREG): If storing and same number of words,
7129 * caller-save.c, dbxout.c, dwarfout.c, dwarf2out.c, reload.c, sdbout.c:
7130 Change all calls to eliminate_regs.
7132 Fri Mar 14 14:18:49 1997 Ian Lance Taylor <ian@cygnus.com>
7134 * cplus-dem.c: Add prototypes for all static functions.
7135 (mystrstr): Make static. Make arguments and result const.
7136 (cplus_match): Remove; not used.
7138 Fri Mar 14 10:15:35 1997 Jeffrey A Law (law@cygnus.com)
7140 * mn10300.c (const_costs): Remove unused function.
7141 * mn10300.h (CONST_COSTS): Rework to generate better code.
7143 * mn10300.c (print_operand): Handle 'H' and 'L' output
7144 modifers for high/low part of a 64bit value.
7145 * mn10300.h (CONST_DOUBLE_OK_FOR_LETTER_P): Handle 'G'
7146 (LEGITIMATE_CONSTANT_P): Allow any constant.
7147 * mn10300.md (movdi, movdf): Implement.
7148 (adddi3, subdi3): New expanders and patterns.
7150 * mn10300.c (print_operand): Handle 'A' modifier for an
7151 address which can't be simple register indirect.
7152 * mn10300.h (EXTRA_CONSTRAINT): Handle 'R' for bit ops.
7153 * mn10300.md: Add patterns to test, set and clear bitfields.
7155 * mn10300.c (can_use_return_insn): New function.
7156 (expand_epilogue): Emit a RETURN insn if possible.
7157 * mn10300.md (return): New pattern.
7159 * mn10300.h (CONST_OK_FOR_LETTER_P): Handle 'N'.
7160 * mn10300.md (andsi3): Catch "and 255,dn" and "and 65535,dn"
7161 which were not turned into zero_extend patterns.
7163 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Handle symbolic
7164 constant as an index/base too.
7166 * mn10300.md (movsi): Allow SP to be loaded/saved with
7169 * mn10300.md (cmpsi): Allow second operand to be a constant.
7172 * mn10300.md (sign extension patterns): Fix thinko when
7173 extending from memory.
7175 * mn10300.md (tst peepholes): Add peepholes for test/branch
7176 based on N bit being set/clear and the data value being tested dies.
7178 Tue Mar 11 17:07:51 1997 Jeffrey A Law (law@cygnus.com)
7180 * mn10300.c (expand_prologue): Rework so that eliminating
7181 the frame pointer produces faster/smaller code.
7182 (expand_epilogue): Likewise.
7183 (initial_offset): New function for argument pointer and frame pointer
7185 * mn10300.h (FIRST_PSEUDO_REGISTER): Bump to 10.
7186 (FIXED_REGISTERS): Add argument pointer register, it's a fake fixed
7188 (CALL_USED_REGISTERS, REG_ALLOC_ORDER): Corresponding changes.
7189 (REGNO_REG_CLASS, REG_CLASS_CONTENTS): Likewise.
7190 (REG_OK_FOR_BASE_P, REGISTER_NAMES): Likewise.
7191 (reg_class, REG_CLASS_NAMES): Delete unwanted DATA_OR_SP_REGS class.
7192 (PREFERRED_OUTPUT_RELOAD_CLASS): Define.
7193 (FIRST_PARM_OFFSET): No longer include register save area in
7195 (STACK_POINTER_REGNUM): Is now register 9.
7196 (ARG_POINTER_REGNUM): Is now register 8.
7197 (FRAME_POINTER_REQUIRED): Refine.
7198 (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Define.
7199 (CAN_DEUG_WITHOUT_FP): Define.
7200 * mn10300.md (return_internal): Break into two patterns.
7202 * mn10300.h (CONST_OK_FOR_LETTER_P): Handle 'M' too.
7203 (REGISTER_MOVE_COST): Fix errors and refine.
7205 * mn10300.c (notice_update_cc): SET_ZN_C0 insns leave the
7206 overflow bit in an unuseable state. Rename CC_SET to CC_TST.
7207 * mn10300.md (cc attributes): "set" is gone, replaced by
7208 "tst". Update attributes on various insns.
7210 * mn10300.md: Improve sign and zero extension instructions.
7211 (ashlsi3): Improve. Handle address registers too.
7212 (add peephole): Combine two consecutive adjustments of a register
7213 into a single adjustment.
7215 Tue Mar 11 17:18:40 1997 Brendan Kehoe <brendan@melange.gnu.ai.mit.edu>
7217 * cplus-dem.c (gnu_special): Call demangled_fund_type for other
7220 Mon Mar 10 16:10:34 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7222 * emit-rtl.c (subreg_lowpart_p): Return 0 if SUBREG_REG is VOIDmode.
7223 * combine.c (simplify_rtx, case SUBREG): Fix direction of test when
7224 calling operand_subword; use inline code intead of subreg_lowpart_p.
7226 Fri Mar 7 09:22:28 1997 Jeffrey A Law (law@cygnus.com)
7228 * mn10300.c (expand_{pro,epi}logue): Rework to avoid
7229 unnecessary "add" operations.
7230 (expand_epilogue): Likewise.
7231 * mn10300.h (STARTING_FRAME_OFFSET): Is zero after the last
7232 round of prologue/epilogue changes.
7233 (FIRST_PARM_OFFSET): Is now 16 (-4 for REG_PARM_STACK_SPACE + 20 for
7234 register save area).
7235 (REG_PARM_STACK_SPACE): Define as 4 bytes.
7236 (OUTGOING_REG_PARM_STACK_SPACE): Define so caller allocates it.
7237 * mn10300.md (call{,_value} expander): Don't emit insns to adjust the
7240 * mn10300.md (bCC patterns): Just use "bCC target".
7242 Tue Mar 4 13:21:41 1997 Jim Wilson <wilson@cygnus.com>
7244 * rs6000.md (movsi): Don't emit a USE insn for LABEL_REFs.
7246 Thu Mar 6 16:29:13 1997 Jim Wilson <wilson@cygnus.com>
7248 * dwarf2out.c (modified_type_die): Initialize item_type to NULL.
7249 Move equate_type_number_to_die call before use of sub_die, and move
7250 recursive modified_type_die calls on item_type after it.
7252 * dwarfout.c (root_type_1, write_modifier_bytes_1): New functions.
7253 (root_type): Call root_type_1.
7254 (write_modifier_bytes): Call write_modifier_bytes_1.
7255 (output_type, case POINTER_TYPE): Set TREE_ASM_WRITTEN before
7258 Wed Mar 5 14:30:49 1997 Torbjorn Granlund <tege@quiet.matematik.su.se>
7260 Partially undo Jan 11 changes (nor takes only register ops):
7261 * mips.md (*norsi3_const, *nordi3_const): Delete bogus patterns.
7262 * mips.c (complemented_arith_operand): Delete function.
7263 (print_operand): Don't handle `e' for CONST_INT.
7264 * mips.h (PREDICATE_CODES): Delete complemented_arith_operand.
7266 Tue Mar 4 16:38:13 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
7268 * i386.c (i386_return_pops_args): Make sure FUNDECL is non-nil
7269 before we try to use it.
7270 * i386/{isc,next,sco,sco5,scodbx}.h (RETURN_POPS_ARGS): Likewise.
7272 Mon Mar 3 20:17:54 1997 Gavin Koch <gavin@cygnus.com>
7274 * ginclude/va-mips.h: __mips_single_float should have
7275 the same effect on vararg lists as __mips_soft_float.
7277 Mon Mar 3 18:12:01 1997 Michael Meissner <meissner@cygnus.com>
7279 * rs6000.h (DBX_CONTIN_LENGTH): Undo 2/26 change.
7281 Mon Mar 3 13:08:20 1997 Jeffrey A Law (law@cygnus.com)
7283 * combine.c (simplify_rtx): Do nothing with (truncate:mode) if
7284 mode is a partial integer mode.
7286 Sun Mar 2 17:41:18 1997 Ulrich Drepper <drepper@cygnus.com>
7288 * ginclude/varargs.h: Add definition of __va_copy.
7289 * va-alpha.h, va-clipper.h, va-h8300.h, va-i860.h: Likewise.
7290 * va-i960.h, va-m88k.h, va-mips.h, va-pa.h, va-ppc.h: Likewise.
7291 * va-sh.h, va-sparc.h, va-spur.h: Likewise.
7293 Sun Mar 2 13:25:49 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
7295 * c-typeck.c (process_init_element): Warn and truncate if upper
7296 bound of index is out of range.
7298 Fri Feb 28 16:08:47 1997 Michael Meissner <meissner@cygnus.com>
7300 * rs6000/sol-c0.c (_start): Disable loading up r13 and r2 with the
7301 SDA base registers for now.
7303 * rs6000.md (movsi): Emit a USE insn when putting the
7304 label of constants into the TOC, so that the constant is still
7305 emitted when expensive optimizations are used.
7307 Thu Feb 27 17:54:42 1997 Karl Heuer <kwzh@gnu.ai.mit.edu>
7309 * fixinc.ptx: Fix sed expression looking for <sys/types.h> in pwd.h.
7311 Thu Feb 27 12:11:16 1997 Dennis Glatting <dennis.glatting@plaintalk.bellevue.wa.us>
7313 * fixincludes: Remove more cases of __const__ from math.h on NeXT.
7315 Wed Feb 26 14:52:27 1997 Michael Meissner <meissner@cygnus.com>
7317 * reload.c (debug_reload): Remove extra argument to fprintf.
7318 * rs6000.c (output_toc): Make fprintf calls type correct.
7320 * rs6000.h (DBX_CONTIN_LENGTH): Define as 4000 to avoid AIX
7321 assembler line limit.
7323 Mon Feb 24 17:56:17 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
7325 * fixincludes: Fix need of prototypes for C++ in rpc/xdr.h on SunOS4.
7327 Mon Feb 24 17:33:57 1997 Michael Meissner <meissner@cygnus.com>
7329 * rs6000/xm-sysv4.h (HAVE_STRERROR): Define.
7331 Sun Feb 23 17:18:28 1997 Jim Wilson <wilson@cygnus.com>
7333 * rs6000.md (floatsidf2_loadaddr): Correct syntax for cau instruction.
7334 (load_multiple, store_multiple): Call change_address instead of
7335 creating MEM from scratch.
7337 Thu Feb 20 16:39:15 1997 Jim Wilson <wilson@cygnus.com>
7339 * unroll.c (unroll_loop): Add check for naive loop that ends with
7340 conditional branch that does not branch back to loop start.
7342 * reload1.c (reload): Move assign_stack_local call into main loop.
7344 Thu Feb 20 11:40:46 1997 Jeffrey A Law (law@cygnus.com)
7346 * pa.md (zero extension patterns): Turn into define_expand and
7349 Wed Feb 19 17:05:38 1997 Jeffrey A Law (law@cygnus.com)
7351 * pa.c (emit_move_sequence): Don't copy 0.0 (double precision)
7352 directly to memory, go through a reg if reload hasn't started.
7353 * pa.md (main movdf pattern): Don't allow 0.0 (double precision)
7354 to be copied directly to memory.
7356 * pa/pa-hpux10.h (MD_EXEC_PREFIX): Define appropriately for hpux10.
7357 (MD_STARTFILE_PREFIX): Similarly.
7359 * pa.h (ASM_OUTPUT_SECTION_NAME): Surround the section name
7360 with '$' if not using GAS.
7362 Wed Feb 19 16:43:47 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7364 * sched.c (schedule_insns): If there was no first scheduling pass,
7365 split instructions after reload.
7366 (update_flow_info): Tolerate some idiosyncrasies after reload.
7368 Wed Feb 19 11:13:51 1997 Jeffrey A Law (law@cygnus.com)
7370 * combine.c (find_split_point): Don't turn a SIGN_EXTEND into
7371 a series of shifts if either mode is a partial integer mode.
7373 Mon Feb 17 08:06:02 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
7375 * rs6000.c ({,non_}short_cint_operand): Use (unsigned HOST_WIDE_INT).
7376 (non_add_cint_operand, includes_rshift_p): Likewise.
7377 * rs6000.h (CONST_OK_FOR_LETTER_P): Likewise.
7378 (LEGITIMATE_ADDRESS_INTEGER_P, LEGITIMIZE_ADDRESS): Likewise.
7380 Sun Feb 16 07:55:19 1997 J"orn Rennecke (amylaar@cygnus.co.uk)
7382 * libgcc2.c (__negdi2, __lshrdi3, __ashldi3, __ashrdi3, __ffsdi2):
7383 Use ANSI style definition with full prototype.
7384 (__muldi3, __udiv_w_sdiv, __udivmoddi4, __divdi3, __moddi3) : Likewise.
7385 (__udivmoddi4, __udivdi3, __cmpdi2, __ucmpdi2) : Likewise.
7386 (__fixunstfdi, __fixtfdi, __fixunsxfdi, __fixxfdi) : Likewise.
7387 (__fixunsdfdi, __fixdfdi, __floatdixf, __floatditf) : Likewise.
7388 (__floatdidf, __floatdisf, __fixunsxfsi, __fixunsdfsi) : Likewise.
7389 (__gcc_bcmp, __eprintf, gopen, gclose, __bb_init_file) : Likewise.
7390 (__bb_init_trace_func, __clear_cache, mprotect) : Likewise.
7391 (__enable_execute_stack, cacheflush, exit) : Likewise.
7392 (find_exception_table, __find_first_exception_table_match) : Likewise.
7394 Sun Feb 16 07:52:02 1997 Oliver Kellogg (oliver.kellogg@space.otn.dasa.de)
7396 * 1750a.md (mulqihi3): Corrected.
7397 (tst{hf,tqf}): Simplified.
7398 (movqi): Removed redundant alternative.
7399 (addqi-3,addqi-2,addqi-1): Set/Reset Bit patterns by C. Nettleton.
7400 (many patterns): Introduced operand output modifiers d,t,b,B,w.
7401 * 1750a.c (print_operand): New operand output modifiers d,t,b,B,w.
7402 (simple_memory_operand): Removed.
7403 (one_bit_set_p, which_bit): Added from C. Nettleton's m1750 config.
7405 Sun Feb 16 07:43:37 1997 Paul Eggert <eggert@twinsun.com>
7407 * cccp.c (special_symbol): Don't treat "L" in "L'...'" as identifier.
7408 (check_macro_name, collect_expansion, rescan): Likewise.
7409 * cpplib.c (special_symbol, check_macro_name, collect_expansion):
7412 * cexp.y (parse_c_expression): Don't check for null lexptr
7413 or *lexptr == 0. If yyparse returns nonzero value, abort.
7415 * cexp.y (yylex): Use is_space, not is_hor_space, to find keyword end.
7416 (is_space): New decl.
7417 (is_hor_space): Removed.
7418 * cccp.c (is_space): Now external.
7419 (is_hor_space): Now static.
7421 Sun Feb 16 04:55:11 1997 Jason Merrill <jason@yorick.cygnus.com>
7423 * toplev.c, tree.h (decl_printable_name): Change arguments.
7424 * c-common.c (declare_function_name): Reflect above change.
7425 * final.c (final_start_function): Likewise.
7426 * function.c (init_function_start): Likewise.
7427 * toplev.c (decl_name): Likewise.
7428 (announce_function): Likewise.
7429 (v_message_with_decl): Likewise.
7430 * dwarf2out.c (dwarf2_name): New fn, uses decl_printable_name.
7431 (add_pubname): Use it.
7432 (add_name_and_src_coords_attributes): Use it, add
7433 DW_AT_MIPS_linkage_name if appropriate.
7434 (output_aranges): Use DW_AT_MIPS_linkage_name if present.
7436 Sat Feb 15 18:45:30 1997 J.T. Conklin <jtc@cygnus.com>
7438 * m68k.md (cmpsi): Added insn with appropriate constraints for
7439 TARGET_5200; changed condition of existing insn to !TARGET_5200.
7441 Sat Feb 15 18:26:50 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
7443 * m68k/hp320.h (PRINT_OPERAND_FLOAT): Removed.
7444 (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}_OPERAND): Defined.
7445 (PRINT_OPERAND): Turned off: use default.
7446 * m68k/news.h (PRINT_OPERAND): Turned off: use default.
7447 (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}_OPERAND): Defined.
7448 * m68k/tower-as.h (PRINT_OPERAND): Turned off: use default.
7449 (ASM_OUTPUT_{FLOAT,DOUBLE}_OPERAND): Defined.
7450 * m68k/crds.h (PRINT_OPERAND): Turned off: use default.
7451 (ASM_OUTPUT_{FLOAT,DOUBLE}_OPERAND): Defined.
7452 (SGS_NO_LI,STRUCTURE_SIZE_BOUNDARY,IMMEDIATE_PREFIX): Defined.
7453 (NEED_PROBE): Defined instead of HAVE_probe and gen_probe.
7454 (FUNCTION_{PRO,EPI}LOGUE): Do not access FPA registers.
7455 * m68k.c (output_function_prologue): Add CRDS and MOTOROLA probe code.
7456 (print_operand): Do not output '.' if CRDS.
7458 * gcc.c (set_spec): Fix comment-in-comment typo.
7460 Sat Feb 15 17:54:23 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7462 * Makefile.in (COMPILERS): Moved before GCC_PASSES.
7463 (GCC_PASSES): Use $(COMPILERS) instead of cc1$(exeext).
7465 Sat Feb 15 17:25:44 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7467 * gcc.c (process_command): Allocate space for terminating null.
7469 Sat Feb 15 17:21:34 1997 Pat Rankin <rankin@eql.caltech.edu>
7471 * vax.h (FUNCTION_PROLOGUE): Adjust size by STARTING_FRAME_OFFSET.
7472 * vax/vms.h (FUNCTION_PROLOGUE): Delete.
7474 Sat Feb 15 08:48:14 1997 Douglas B. Rupp (rupp@gnat.com)
7476 * configure: Fix setting of CC in no-symlink case.
7478 Sat Feb 15 08:42:17 1997 Oliver Kellogg (oliver.kellogg@space.otn.dasa.de)
7480 * expmed.c (expand_divmod): Prefer divmod in same mode over div
7483 Sat Feb 15 08:27:50 1997 J"orn Rennecke (amylaar@cygnus.co.uk)
7485 * fold-const.c (fold): Don't assume a nonexplicit constant cannot
7486 equal an explicit one.
7488 * i386.md (zero_extendqi[hs]i2+3): Ensure operating on REG.
7490 Sat Feb 15 08:11:04 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
7492 * configure (i[3456]86-*-solaris2*): Correct tm.h filename in
7495 * a29k.h (STORE_FLAG_VALUE): Write so works on both 32 and 64-bit host.
7497 Fri Feb 14 16:03:37 1997 Robert Lipe <robertl@dgii.com>
7499 * i386/t-sco5 (libgcc{1,2}-elf.a): correct target dependencies.
7501 Fri Feb 14 16:00:23 1997 H.J. Lu <hjl@gnu.ai.mit.edu>
7503 * config/svr4.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Set
7504 current-section variable to text.
7506 Wed Feb 12 16:07:34 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
7508 * fixinc.irix: New file.
7509 * configure (mips-sgi-irix[56]): Set fixincludes to fixinc.irix.
7511 Wed Feb 12 15:40:20 1997 Jim Wilson <wilson@cygnus.com>
7513 * Makefile.in (LIBGCC2_DEBUG_CFLAGS): New macro.
7514 (LIBGCC2_CFLAGS): Use it.
7516 * dwarfout.c (output_type): Do early exit only if TYPE_CONTEXT is NULL
7517 or if TYPE_CONTEXT is another type (e.g. a nested type).
7519 Tue Feb 11 15:53:51 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7521 * sh.c (calc_live_regs): Exclude RETURN_ADDRESS_POINTER_REGNUM.
7522 Need not save MACL/MACH when not live or in leaf function.
7524 Mon Feb 10 14:46:32 1997 Jeffrey A Law (law@cygnus.com)
7526 * stmt.c (group_case_nodes): Recognize more opportunities to
7529 Sun Feb 9 14:05:48 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
7531 * function.c (assign_stack_temp): Clear MEM flags from reuse.
7533 Sat Feb 8 17:37:47 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
7535 * local-alloc.c (update_equiv_regs): Fix error in last change.
7537 Fri Feb 7 12:42:34 1997 Mike Stump <mrs@cygnus.com>
7539 * pa.h (RETURN_ADDR_RTX): Fix to ignore export stubs.
7540 * pa.c (return_addr_rtx): Define.
7542 Fri Feb 7 13:56:56 1997 Doug Evans <dje@cygnus.com>
7544 * cse.c (invalidate_from_clobbers): Delete unnecessary test for
7547 * toplev.c (main): Delete redundant settings of flag_no_inline
7548 and warn_inline if not optimizating.
7550 Fri Feb 7 10:45:02 1997 Jeffrey A Law (law@cygnus.com)
7552 * Makefile.in (stmp-multilib-sub): Add missing "else true"
7553 clauses to work around make bug on some systems.
7555 Fri Feb 7 08:19:43 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
7557 * fold-const.c (const_binop): Don't call size_int if low < 0.
7559 * function.c (instantiate_virtual_regs_1, case USE, CLOBBER):
7560 Fix error in last change.
7562 Thu Feb 6 17:09:17 1997 Mike Stump <mrs@cygnus.com>
7564 * except.c (find_exception_handler_labels): Initialize label array
7567 Wed Feb 5 22:11:55 1997 Jeffrey A Law (law@cygnus.com)
7569 * pa.md (post_ldwm): Fix typos.
7571 Wed Feb 5 15:57:42 1997 Doug Evans <dje@cygnus.com>
7573 * m68k/vxm68k.h (WCHAR_TYPE,WCHAR_TYPE_SIZE,SIZE_TYPE): Fix.
7574 (PTRDIFF_TYPE): Define.
7576 Wed Feb 5 11:19:13 1997 Ian Lance Taylor <ian@cygnus.com>
7578 * reload1.c (alter_reg): Don't ask assign_stack_local to round up
7579 to a multiple of BIGGEST_ALIGNMENT, unless a register appears in a
7582 Tue Feb 4 19:29:40 1997 Jim Wilson <wilson@cygnus.com>
7584 * reload.c (find_reloads_address_1, case POST_INC): Don't use
7587 Tue Feb 4 12:33:45 1997 Jeffrey A Law (law@cygnus.com)
7589 * flow.c (life_analysis): Delete obvious no-op moves
7592 Mon Feb 3 20:00:35 1997 Jim Wilson <wilson@cygnus.com>
7594 * jump.c (find_cross_jump): Don't allow old-style and volatile asms
7597 Mon Feb 3 15:51:31 1997 Doug Evans <dje@cygnus.com>
7599 * sparc/sol2.h (ASM_SHORT,ASM_LONG): Set to .uahalf/.uaword.
7600 * sparc/sysv4.h (ASM_LONG): Define.
7601 (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Use ASM_LONG.
7603 Mon Feb 3 13:01:46 1997 Ian Lance Taylor <ian@cygnus.com>
7605 * reload.h (enum reload_type): Add RELOAD_FOR_INPADDR_ADDRESS and
7606 RELOAD_FOR_OUTADDR_ADDRESS.
7607 * reload.c (ADDR_TYPE): New macro.
7608 (push_secondary_reload): Check for new reload types.
7609 (combine_reloads): Likewise.
7610 (find_reloads): Likewise. Convert INPADDR_ADDRESS and
7611 OUTADDR_ADDRESS to OPADDR_ADDR. Check OPADDR_ADDR when looking
7613 (find_reloads_address): When reloading an address, use the
7614 ADDR_TYPE macro to get the type of the new reload.
7615 (find_reloads_address_1): Likewise.
7616 (reload_when_needed_name): Add new reload types.
7617 * reload1.c (reload): Add in_addr_addr and out_addr_addr fields to
7618 insn_needs struct. Use them for new reload types, and when
7619 computing in_max and out_max.
7620 (reg_used_in_inpaddr_addr): New static array.
7621 (reg_used_in_outaddr_addr): New static array.
7622 (mark_reload_reg_in_use): Handle new reload types.
7623 (clear_reload_reg_in_use, reload_reg_free_p): Likewise.
7624 (reload_reg_free_before_p, reload_reg_reaches_end_p): Likewise.
7625 (reloads_conflict, merge_assigned_reloads): Likewise.
7626 (emit_reload_insns): Likewise.
7627 (choose_reload_regs): Save arrays for new reload types.
7629 Sun Feb 2 19:43:17 1997 Scott Christley <scottc@net-community.com>
7631 * objc/selector.c (__sel_register_typed_name): Eliminate compiler
7632 warnings with explicit cast.
7634 * Add condition mutex support to the objc runtime.
7635 * objc/thr-mach.c (objc_condition_{,de}allocate): New functions.
7636 (objc_condition_{wait,broadcast,signal}): New functions.
7637 * objc/thr-pthreads.c (objc_condition_{,de}allocate): New functions.
7638 (objc_condition_{wait,broadcast,signal}): New functions.
7639 * objc/thr-solaris.c (objc_condition_{,de}allocate): New functions.
7640 (objc_condition_{wait,broadcast,signal}): New functions.
7641 * objc/thr.h: Prototypes for new functions.
7643 * objc/init.c (__objc_runtime_mutex): Eliminate leading underscore
7644 from name of objc mutex and thread structures.
7645 * objc/runtime.h: Likewise.
7646 * objc/thr-{decosf1,irix,mach,os2,posix,pthreads,single}.c: Likewise.
7647 * objc/thr-{solaris,win32}.c: Likewise.
7648 * objc/thr.{c,h}: Likewise.
7650 * Major reorganization of objc error handling.
7651 * objc/Object.m (-error:): Call objc_error function instead of
7652 using function pointer.
7653 * objc/archive.c: Replace call to abort or __objc_fatal functions
7654 with call to objc_error function throughout the complete file.
7655 * objc/class.c (objc_get_class): Replace call to abort function
7656 with call to objc_error function.
7657 * objc/encoding.c (objc_sizeof_type, objc_alignof_type): Replace
7658 call to abort function with call to objc_error function.
7659 (objc_skip_typespec): Likewise.
7660 * objc/init.c (init_check_module_version): Replace call to
7661 abort function with call to objc_error function.
7662 * objc/misc.c (objc_verror): New function.
7663 (objc_fatal): Remove function.
7664 (objc_set_error_handler): New function.
7665 (_objc_error_handler): New global variable.
7666 (__alpha__): Remove unneeded code.
7667 (objc_error): Allow user specified error handler function to
7668 trap and handle the objc error. Added an error code parameter
7669 which indicates the specific error that occurred.
7670 (objc_malloc, objc_atomic_malloc): Replace call to objc_fatal
7671 function with call to objc_error function.
7672 (objc_valloc, objc_realloc, objc_calloc): Likewise.
7673 * objc/objc-api.h: Declare error handling functions and typedef
7674 for user specified error handler function. Define error codes
7675 used by the runtime library.
7676 * objc/runtime.h: Remove error handling declarations.
7677 * objc/sendmsg.c (__objc_forward): Replace call to abort function
7678 with call to objc_error function.
7680 Sun Feb 2 19:42:52 1997 Thomas Baier <baier@ci.tuwien.ac.at>
7682 * objc/hash.c (hash_delete): Step through the hash nodes
7683 versus using hash_next to increase efficiency.
7684 * objc/archive.c (__objc_finish_read_root_object): Use hash
7685 table instead of list.
7687 Sun Feb 2 08:25:05 1997 Ovidiu Predescu <ovidiu@net-community.com>
7689 * objc-act.c (encode_aggregate_within): New function.
7690 (encode_aggregate): Generates encodings for unions similar
7691 to those for structs except surrounded by parenthesis instead
7694 Sun Feb 2 07:15:54 1997 Mat Hostetter (mat@lcs.mit.edu)
7696 * c-decl.c (start_function): Fix improper installation of last change.
7698 Sun Feb 2 06:50:55 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7700 * m68k.c (output_scc_di): Add missing CC_STATUS_INIT.
7702 Sun Feb 2 06:39:55 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
7704 * c-typeck.c (process_init_element): When popping levels, don't
7705 blow up if constructor_max_index not set due to previous error.
7707 * combine.c (find_split_point, case SET): Fix error in last change.
7709 Sun Feb 2 06:28:56 1997 Paul Eggert <eggert@twinsun.com>
7711 * cccp.c (rescan): Insert a space after `.' as well,
7712 to prevent accidental token-pasting (e.g. `.x' -> `.10').
7714 Sun Feb 2 06:08:14 1997 Oliver Kellogg (oliver.kellogg@space.otn.dasa.de)
7716 * 1750a.c (modregno_adjust): Fixed case when reg_renumber invalid.
7718 Sat Feb 1 19:11:08 1997 J.T. Conklin <jtc@rhino.cygnus.com>
7720 * m68k.md (movqi): Enable use of clr and st insns on TARGET_5200.
7721 * m68k.c (output_move_simode_const): Likewise.
7723 Sat Feb 1 18:54:00 1997 Douglas B. Rupp (rupp@gnat.com)
7725 * gcc.c (process_command): Fix improper use of strncpy.
7727 Fri Jan 31 15:35:08 1997 Mike Stump <mrs@cygnus.com>
7729 * libgcc2.c: Remove extern for malloc and realloc.
7731 Fri Jan 31 17:08:11 1997 Ian Lance Taylor <ian@cygnus.com>
7733 * local-alloc.c (update_equiv_regs): If register which is equivalent
7734 to some value is only used in one place, and we can't substitute value
7735 for use, move register assignment to just before use.
7737 Fri Jan 31 15:57:25 1997 Stan Cox <coxs@dg-rtp.dg.com>
7739 * i386.md (idiv,imul,fpmul): Added new functional units for pentiumpro.
7741 * i386.c (pentiumpro_cost): Added new cost structure for pentiumpro.
7742 (override_options): Set ix86_cost to appropriate cost structure.
7744 Thu Jan 30 09:34:26 1997 J.T. Conklin <jtc@rhino.cygnus.com>
7746 * m68k.md (stack adjust peepholes): Use lea instead of
7747 add.w when adding 16 bit constants on all but TARGET_68040.
7749 Thu Jan 30 08:58:08 1997 Ralf Baechle <ralf@waldorf-gmbh.de>
7751 * function.c (TRAMPOLINE_ALIGNMENT): Provide default.
7752 (expand_function_end): Use TRAMPOLINE_ALIGNMENT instead
7753 of FUNCTION_BOUNDARY.
7754 * varasm.c (TRAMPOLINE_ALIGNMENT): Provide default.
7755 (assemble_trampoline_template): Use TRAMPOLINE_ALIGNMENT instead
7756 of FUNCTION_BOUNDARY.
7758 Wed Jan 29 18:16:02 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7760 * sh.h (REG_CLASS_CONTENTS): Add rap to GENERAL_REGS and its
7763 * sh.md (movsi_i, movsi_ie, movhi_i, movhi+1): Use type pcload for
7764 immediate operands where appropriate.
7765 (movsf_ie+1): Fail when loading anything but a MEM into
7766 a floating point reguister.
7768 Wed Jan 29 16:00:31 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
7770 * varasm.c (force_const_mem): Set MARK instead of clearing it.
7771 (output_constant_pool): Only mark constant pool if -O.
7772 Check mark flag unconditionally.
7773 (mark_constant_pool): Start by clearing all mark flags.
7775 * tree.c (copy_node): Clear TREE_ASM_WRITTEN.
7777 * flow.c (regno_uninitialized): Return 0 if reg is used for args.
7779 Wed Jan 29 15:23:59 1997 Ian Lance Taylor <ian@cygnus.com>
7781 * combine.c (try_combine): Clear reg_n_refs if i2dest is not
7782 mentioned in newi2pat.
7784 Tue Jan 28 16:00:23 1997 Stan Cox (coxs@dg-rtp.dg.com)
7786 From Robert Lipe <robertl@dgii.com>
7787 * i386/sco5.h (SCO_DEFAULT_ASM_COFF): Remove bytecode stuff.
7788 (ASM_OUTPUT_ASCII): Use .ascii in both ELF and COFF modes.
7789 (ASM_OUTPUT_SECTION_NAME): Handle alternate sections for COFF.
7790 The OpenServer 5.0.0 assembler gives an error for section
7791 names over 6 characters long, so we catch the "obvious" case
7794 * m88k.h (ASM_OUTPUT_SECTION_NAME): Undefine; fails
7795 for exception sections. The 88k ABI specifies 'section'
7796 instead of '.section'.
7798 Mon Jan 27 13:32:46 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7800 * sh.c (shl_and_kind): Fix typo.
7801 * sh.md (and_shl_scratch): Fix typo for length 8.
7803 Mon Jan 27 08:56:03 1997 Jeffrey A Law (law@cygnus.com)
7805 * fixincludes (sys/time.h): Fix incorrect forward structure
7806 declaration on hpux10.20.
7808 Mon Jan 27 09:05:35 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
7810 * combine.c (simplify_rtx): Don't do anything with if_then_else_cond
7811 result if both one arm and the input are a comparison.
7812 (simplify_{rtx,if_then_else,logical,shift_const}): Don't
7813 test STORE_FLAG_VALUE with #if; properly test for just sign bit.
7814 (num_sign_bit_copies, if_then_else_cond): Likewise.
7815 * expmed.c (emit_store_flag): Properly test for STORE_FLAG_VALUE
7817 * fold-const.c (fold): Don't make COND_EXPR when both expr and
7818 one part are comparisons.
7819 * a29k.h (STORE_FLAG_VALUE): Make negative.
7821 Fri Jan 24 16:42:26 1997 Ian Lance Taylor <ian@cygnus.com>
7823 * varasm.c (struct pool_constant): Add mark field.
7824 (force_const_mem): Clear mark field in new constant pool entry.
7825 (output_constant_pool): Call mark_constant_pool.
7826 (mark_constant_pool, mark_constants): New static functions.
7828 Thu Jan 23 15:04:17 1997 Ian Lance Taylor <ian@cygnus.com>
7830 * cse.c (COST): Get the right cost for a SUBREG of a register when
7833 Thu Jan 23 11:19:40 1997 Mike Stump <mrs@cygnus.com>
7835 * Makefile.in (objc-headers): Don't try and install the headers if
7836 the objc directory has been removed.
7838 Wed Jan 22 13:26:25 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
7840 * i960.c (process_pragma): Call ungetc on the last character
7841 that was read by the while loop, to make sure the parser sees it.
7843 Tue Jan 21 17:20:30 1997 Michael Meissner <meissner@tiktok.cygnus.com>
7845 * rs6000.c (output_toc): Move STRIP_NAME_ENCODING to common
7846 code, so the test for vt's works with -mminimal-toc.
7848 Tue Jan 21 16:03:35 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
7850 * function.c (mark_all_temps_used): Set KEEP as well.
7852 Tue Jan 21 12:16:15 1997 Doug Evans <dje@seba.cygnus.com>
7854 * stor-layout.c (layout_record): Correct test for whether field spans
7855 its unit of alignment in case where field_size == type_align.
7857 Mon Jan 20 20:27:54 1997 Ian Lance Taylor <ian@cygnus.com>
7859 * mips.md (probe): Comment out.
7861 Sun Jan 19 20:54:45 1997 John F. Carr <jfc@mit.edu>
7863 * integrate.c (expand_inline_function): Handle a PARALLEL containing
7864 a RETURN the same as a RETURN.
7866 Sun Jan 19 20:35:28 1997 Pat Rankin <rankin@eql.caltech.edu>
7868 * vmsconfig.com: Change all hardcoded references of "vax" to
7869 use variable expansion instead.
7870 (arch_indx, arch): New variables.
7872 * vax.c (not_qsort): Don't declare alloca.
7873 * vax/xm-vms.h: Declare alloca here.
7874 Do most of the VAX C-specific set up for DEC C.
7875 #if DEC C, undefine QSORT_WORKAROUND and qsort.
7876 * make-gcc.com, make-cccp.com, make-cc1.com: Support building
7877 with GNU C vs VAX C vs DEC C from the DCL command line.
7879 Sun Jan 19 17:20:50 1997 Oliver Kellogg (oliver.kellogg@space.otn.dasa.de)
7881 * 1750a.md (movh[if]-1): Corrected.
7882 (movtqf-1): Deleted.
7883 * 1750a.c (add_1_to_mem): Deleted.
7884 (output_operand_address): Added output modifier 'A'.
7886 Sun Jan 19 17:17:54 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
7888 * m68k.md (ashrdi_const, ashrdi3): Allow 31 as shift count.
7890 * m68k.h (CONST_OK_FOR_LETTER_P): Recognize 'N', 'O' and 'P'.
7891 * m68k.md (rotl[shq]i3, strict_low_part rotl): Allow 'N', 'O'
7894 Sun Jan 19 17:09:17 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7896 * m68k.md (addsi3): Fix previous change: {add,sub}qw should
7897 be {add,sub}ql. For other uses of {add,sub}q don't check for address
7898 register and always use {add,sub}ql.
7900 Sun Jan 19 15:05:42 1997 Peter Seebach <seebs@solon.com>
7902 * c-decl.c (start_decl): Add code for -Wmain.
7903 (c_decode_option): Add -fhosted, -ffreestanding, and -Wmain.
7904 * toplev.c (lang_options): Likewise.
7905 * c-tree.h (warn_main, flag_hosted): New variables.
7907 Sun Jan 19 14:35:41 1997 Alex Garthwaite (alex@samwise.cis.upenn.edu)
7909 * fixinc.svr4: Fix problems with symlinks to ".".
7911 Sun Jan 19 14:21:46 1997 Craig Burley <burley@gnu.ai.mit.edu>
7913 * loop.c (check_final_value): Handle insns with no luid's.
7915 Sun Jan 19 08:57:26 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
7917 * alpha.md (arg_home): Add CLOBBER of MEM and USE of arg regs.
7918 * vms.h (SETUP_INCOMING_VARARGS): Delete duplicate definition.
7920 * toplev.c (set_float_handler): Set up signal catcher on first call
7921 in case a front end has disabled it.
7923 * cccp.c, cexp.y: #define __attribute__ to be null if
7924 compiling with GCC older than 2.7, not 2.6.
7926 * toplev.c (main): If PREFERRED_DEBUGGING_TYPE used and set
7927 to NO_DEBUG, say debugging not supported.
7928 * mips/sni-svr4.h (PREFERRED_DEBUGGING_TYPE): Undefine.
7930 * i386/xm-cygwin32.h (DIR_SEPARATOR): Define.
7932 * explow.c (convert_memory_address, case SYMBOL_REF):
7933 Copy CONSTANT_POOL_ADDRESS_P.
7934 * integrate.c (save_constants): Make (address (const ..)) to record
7936 (copy_for_inline, copy_rtx_and_substitute, restore_constants): Use
7937 both modes when restoring constant pool entry for ADDRESS.
7939 * alpha.h (MINIMUM_ATOMIC_ALIGNMENT): New macro.
7941 * function.c (instantiate_virtual_regs_1, case USE, case CLOBBER):
7942 Properly handle case of shared MEM whose replacement is not valid.
7944 Sat Jan 18 14:08:31 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
7946 * tree.c (get_unwidened): Don't crash if FIELD_DECL not layed out.
7948 * varasm.c (const_hash): Treat NON_LVALUE_EXPR like CONVERT_EXPR.
7949 (compare_constant_1, copy_constant, bc_assemble_integer): Likewise.
7950 (const_hash, compare_constant_1): Use switch, not if-then-else.
7952 Fri Jan 17 17:10:20 1997 Ian Lance Taylor <ian@cygnus.com>
7954 * mips.h (STACK_POINTER_OFFSET): Don't define.
7956 Thu Jan 16 14:51:03 1997 Bob Manson <manson@charmed.cygnus.com>
7958 * cplus-dem.c: Fix indenting; note that this file also lives in
7960 (do_type, case 'M'): Check for a template as well as a class.
7962 Thu Jan 16 15:08:26 1997 Michael Meissner <meissner@tiktok.cygnus.com>
7964 * gcc.c (cross_compile): Change to be a char * like all of the
7966 (process_command): Change how cross_compile is tested.
7968 (struct spec_list): Merge with the format used by EXTRA_SPECS.
7969 Add name length field to speed up repeated calls to strcmp. Add
7970 flag to say spec was allocated. Add pointer to char * so that
7971 static spec fields can be updated.
7972 (extra_specs): Use struct spec_list as type.
7973 (static_specs): Static list of predefined specs.
7974 (init_specs): New function, initialize the specs list. Link in
7975 the default specs and any specs defined via EXTRA_SPECS.
7976 (set_spec): No longer special case predefined specs.
7977 (process_command,validate_all_switches): Ditto.
7978 (process_command): Call init_specs for -dumpspecs.
7979 (do_spec_1): Use name length field to avoid calling strncmp when
7980 it is going to fail.
7981 (main): Call init_spec. Don't handle EXTRA_SPECS here.
7983 Thu Jan 16 17:07:54 1997 Eddie C. Dost <ecd@skynet.be>
7985 * configure: Add sparc-linux{,aout} support.
7986 * ginclude/va-sparc.h: Likewise.
7987 * sparc/linux.h: New file.
7988 * sparc/linux-aout.h: New file.
7989 * sparc/xm-linux.h: New file.
7991 Thu Jan 16 16:19:13 1997 Jim Wilson <wilson@cygnus.com>
7993 * configure (sparc-*-aout*): Add libgloss.h to tm_file.
7994 (sparclite-*-coff*): Change "= to =".
7996 Thu Jan 16 12:53:15 CST 1997 Joel Sherrill <joel@OARcorp.com>
7998 * rs6000/rtems.h: Change from being sysv4 based to being eabi based.
8000 Thu Jan 16 13:40:51 1997 Jim Wilson <wilson@cygnus.com>
8002 * mips.h (LINKER_ENDIAN_SPEC): Define.
8003 (LINK_SPEC): Add linker_endian_spec.
8004 (EXTRA_SPECS): Add linker_endian_spec.
8006 Thu Jan 16 08:02:13 1997 Jeffrey A Law (law@cygnus.com)
8008 * mn10300.md (bCC, inverted bCC): Use bCC .+X instead of bCC 0f.
8010 Wed Jan 15 14:06:28 1997 Ian Lance Taylor <ian@cygnus.com>
8012 * reload.h (reload_address_base_reg_class): Declare.
8013 (reload_address_index_reg_class): Declare.
8014 * reload1.c (reload_address_base_reg_class): Define.
8015 (reload_address_index_reg_class): Define.
8016 (init_reload): Initialize reload_address_{base,index}_reg_class.
8017 * reload.c (find_reloads_address): Use
8018 reload_address_base_reg_class rather than BASE_REG_CLASS. Use
8019 reload_address_index_reg_class rather than INDEX_REG_CLASS.
8020 (find_reloads_address_1): Likewise.
8022 Tue Jan 14 15:26:33 1997 Ian Lance Taylor <ian@cygnus.com>
8024 * reload.c (REGNO_MODE_OK_FOR_BASE_P): Define if not defined.
8025 (REG_MODE_OK_FOR_BASE_P): Define if not defined.
8026 (find_reloads_address): Use REG[NO]_MODE_OK_FOR_BASE_P rather than
8027 REG[NO]_OK_FOR_BASE_P.
8028 (find_reloads_address_1): Likewise.
8029 Add mode parameter; change all callers.
8031 * reload1.c (eliminate_regs_in_insn): Handle more cases when
8032 eliminating the frame pointer to the hard frame pointer.
8034 * varasm.c (force_const_mem): Copy a CONST_INT rtx like a CONST rtx.
8036 * varasm.c (assemble_end_function): Call
8037 output_after_function_constants.
8038 (after_function_constants): New static variable.
8039 (output_after_function_constants): New static function.
8040 (output_constant_def): Check CONSTANT_AFTER_FUNCTION_P.
8042 Mon Jan 13 16:44:40 1997 David Edelsohn <edelsohn@mhpcc.edu>
8044 * rs6000/aix41.h (CPP_PREDEFINES): Add -D_AIX41.
8046 Sun Jan 12 20:54:01 1997 Jim Wilson <wilson@cygnus.com>
8048 * libgloss.h (LINK_SPEC): Delete.
8049 (STARTFILE_SPEC): Delete spurious newline.
8051 Sat Jan 11 00:13:03 1997 Torbjorn Granlund <tege@quiet.matematik.su.se>
8053 * mips.md (norsi3, nordi3): Use canonical RTL. Prepend `*' to pattern
8054 name. Don't match immediates.
8055 (norsi3_const, nordi3_const): New patterns.
8056 (anddi3, iordi3, xordi3): Test TARGET_64BIT, not mips_isa
8057 in length attribute calculation.
8058 * mips.c (complemented_arith_operand): New function.
8059 (print_operand): Handle `e' for CONST_INT.
8060 * mips.h (PREDICATE_CODES): Add complemented_arith_operand.
8062 Fri Jan 10 14:11:53 1997 David Edelsohn <edelsohn@mhpcc.edu>
8064 * rs6000/aix41.h (SUBTARGET_SWITCHES): Add threads and pe.
8065 (CPP_SPEC): Add mpe and mthreads cases.
8066 (LIB_SPEC): Add mpe and mthreads cases to variant from rs6000.h.
8067 (STARTFILE_SPEC): Add mpe and mthreads support.
8069 Fri Jan 10 07:12:26 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
8071 * i386/cygwin32.h (LINK_SPEC): New definition.
8073 * Makefile.in (FLAGS_TO_PASS): Add STAGE_PREFIX, set by configure.
8074 * configure: Initialize exeext.
8075 Update STAGE_PREFIX in Makefile.
8077 * dwarfout.c (dwarfout_line): Push to LINE_SECTION after calling
8080 Thu Jan 9 12:06:04 1997 Jim Wilson <wilson@cygnus.com>
8082 * i386.md (addsidi3_2): Add & to operand 0 of alternative 5.
8084 Thu Jan 9 12:06:04 1997 Stan Cox <coxs@dg-rtp.dg.com>
8086 From Linus Torvalds and Mat Hostetter:
8087 * i386.c (i386_sext16_if_const): Added to sign extend HImode constant.
8088 (i386_aligned_reg_p): Added to tell if an rtx is aligned.
8089 (i386_cc_probably_useless_p): Don't trust cc bits.
8090 * i386.h (TARGET_ZERO_EXTEND_WITH_AND): Don't do this for p6.
8091 * i386.md (cmpsf_ccfpeq+2): Use SImode test instruction.
8092 (movhi+1): Use movz instead of mov on p6.
8093 (addsi3): Add 128 by subtracting -128.
8094 (zero_extendhisi2): Use SImode move if aligned.
8095 ({add,sub,and,ior,xor}hi3): Likewise.
8097 Tue Jan 7 16:58:27 1997 Jason Merrill <jason@yorick.cygnus.com>
8099 * c-parse.in (extension): New rule for __extension__.
8100 (extdef, unary_expr, decl, component_decl): Use it.
8102 Mon Jan 6 15:44:37 1997 Oliver Kellogg (oliver.kellogg@space.otn.dasa.de)
8104 * 1750a.c: Now includes regs.h.
8105 ({movcnt,mod}_regno_adjust): Corrected typos.
8106 * 1750a.md (movhi): Corrected case of moving constant to memory.
8108 Mon Jan 6 08:00:57 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
8110 * mips.h: Delete redundant definitions of compiler and library fns.
8112 * dwarfout.c (type_attribute): Ignore any subtype for now.
8114 * fold-const.c (operand_equal_p): Rework to consider two
8115 expressions that have embedded identical SAVE_EXPRs as
8116 equivalent; also handle some more cases.
8118 Sun Jan 5 23:54:34 1997 Jeffrey A Law (law@cygnus.com)
8120 * pa.md (pic_load_label): Fix test for using just an
8121 ldo rather than an addil;ldo sequence to load the label's
8124 Sun Jan 5 07:26:47 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
8126 * expr.c (expand_expr, case COMPONENT_REF): Fix error in last
8127 change: don't suppress conversion if just EXPAND_SUM.
8129 Sat Jan 4 18:44:01 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
8131 * tree.h (struct tree_decl): saved_insns.i is HOST_WIDE_INT.
8133 * fold-const.c (const_binop): Rework to only make constants in
8134 one place; always use size_int if small enough and of sizetype.
8135 (size_int): Call force_fit_type.
8136 (fold): Avoid ever changing type of input tree.
8138 * expr.c (get_inner_reference): Fix type error.
8139 (expand_expr, case COMPONENT_REF): Don't convert if modifier
8140 is EXPAND_CONST_ADDRESS, EXPAND_SUM, or EXPAND_INITIALIZER.
8141 * tree.c (staticp, case COMPONENT_REF, BIT_FIELD_REF): Not
8144 * expr.c (expand_expr, case COMPONENT_REF): If taking value
8145 from a CONSTRUCTOR, must mask/sign-extend if bitfield.
8146 (expand_builtin, case BUILT_IN_LONGJMP): Pass type, not IDENTIFIER,
8147 to second arg of RETURN_POPS_ARGS.
8149 * expr.c (expand_expr, case COND_EXPR): Add additional cases
8150 to "singleton" cases.
8151 * tree.c (integer_pow2): Mask value to width of type.
8152 (tree_log2): New function.
8154 * expmed.c (store_fixed_bit_field): If not SLOW_UNALIGNED_ACCESS,
8155 treat everything as maximally aligned.
8157 * combine.c (find_split_point, case SET): If SET_SRC is NE and
8158 STORE_FLAG_VALUE is -1, see if we can convert into NEG of shift.
8159 (force_to_mode, case NE): Make condition stricter.
8161 * calls.c (emit_library_call_value): Remove redundant check for
8162 outmode != VOIDmode.
8164 Sat Jan 4 08:12:16 1997 J.T. Conklin <jtc@rhino.cygnus.com>
8166 * Optimizations from John Vickers (john@rhizik.demon.co.uk):
8167 * m68k.c (output_function_{pro,epi}logue): Use addq/subq when
8168 adjusting stack pointer by small displacements.
8169 * m68k.md (addsi3, addhi3): Use two addqw (or subqw) insns when
8170 adding (or subtracting) small integer constants (8 < N <= 16) to
8171 both address and data registers.
8173 Sat Jan 4 07:06:07 1997 Kamil Iskra <iskra@student.uci.agh.edu.pl>
8175 * loop.c (basic_induction_var): Return 0 if SUBREG is not a
8178 Sat Jan 4 06:22:36 1997 Doug Rupp (rupp@gnat.com)
8180 * alpha.c (vmskrunch): Try to not chop trailing uppercase letters.
8181 * alpha/vms.h (ENDFILE_SPEC): Use "gnu", not "gnu_cc".
8183 * cccp.c (PRINTF_PROTO): Use __printf__ in __attribute__, not printf.
8184 * cexp.y (PRINTF_PROTO): Likewise.
8186 Fri Jan 3 09:01:00 1997 Craig Burley <burley@gnu.ai.mit.edu>
8188 * alpha.md (cmov): Fix operand numbers in case involving DF target,
8189 DF comparison, and SF source.
8191 Fri Jan 3 08:19:46 1997 Paul Eggert <eggert@twinsun.com>
8193 * cpplib.c (macroexpand): Delete any no-reexpansion marker following
8194 identifier at beginning of an argu concatenated with what precedes it.
8196 Fri Jan 3 07:59:21 1997 Ken Rose (rose@netcom.com)
8198 * reorg.c (fill_slots_from_thread): Skip moved insn in all three cases.
8200 Fri Jan 3 07:51:44 1997 Bob Manson <manson@cygnus.com>
8202 * function.c ({push,pop}_function_context_to): Save and restore
8203 current_function_args_info.
8204 * function.h (struct function): New field args_info.
8206 Fri Jan 3 06:55:09 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
8208 * jump.c (rtx_equal_for_thread_p): Return 0 for floating-point.
8210 * reload.c (find_reloads): If replaced a PLUS or MULT with a
8211 simple operand, start over again.
8213 * va-alpha.h: Check for __VMS__, not VMS.
8215 Thu Jan 2 08:52:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8217 * configure: Finish restoring change of default of objc threads to
8218 "single" for Linux-based GNU systems.
8220 Mon Dec 30 17:03:46 1996 Jeffrey A Law (law@cygnus.com)
8222 * pa.c (fmpy_operands): Remove. No longer needed.
8223 (combinable_add, combinable_copy, combinable_fmpy): Likewise.
8224 (combinable_fadd, combineable_fsub): Likewise.
8225 (pa_reorg): Call pa_combine_instructions.
8226 (pa_combine_instructions): Combine instructions to make things
8227 like fmpyadd and fmpysub.
8228 (pa_can_combine_p): Helper function for pa_combine_instructions.
8229 * pa.md (pa_combine_type): New attribute. Set it appropriately
8231 (define_delays): Use a separate define_delay for unconditional
8233 (fmpyadd, fmpysub peepholes): Remove, no longer needed.
8234 (fmpyadd, fmpysub insns): Add variant with fadd/fsub first,
8237 Mon Dec 30 14:43:51 1996 Jim Wilson <wilson@cygnus.com>
8239 * reg-stack.c (subst_stack_regs_pat): Set src_note explicitly, instead
8240 of using invalid aggregate initialization.
8242 * print-tree.c (print_node): Don't try to print nonexistent
8243 TYPE_ATTRIBUTES field of a decl node.
8245 Mon Dec 30 10:30:25 1996 Richard Stallman <rms@ethanol.gnu.ai.mit.edu>
8247 * config.sub: Handle hiuxmpp as system type.
8249 Thu Dec 26 13:33:27 1996 Michael Meissner <meissner@tiktok.cygnus.com>
8251 * rs6000.md (init_v4_pic): Explicitly set the length.
8253 Mon Dec 23 19:39:38 1996 Jim Wilson <wilson@cygnus.com>
8255 * mips.h (FUNCTION_ARG_REGNO_P): Correct for TARGET_SOFT_FLOAT and
8256 TARGET_FLOAT64 cases.
8258 * integrate.c (function_cannot_inline_p): Reject function with
8260 (expand_inline_function): Abort if function result not handled.
8262 Sat Dec 21 04:02:46 1996 Jason Merrill <jason@gerbil.cygnus.com>
8264 * mips.c (save_restore_insns): Mark large frame setup insns
8266 (mips_expand_prologue): Likewise.
8268 * dwarf2out.c (dwarf2out_frame_debug): Support MIPS large frames.
8269 (add_bound_info): Use default lower bounds.
8270 Handle simple variable bounds with a DIE ref.
8271 Don't generate a NULL loc descr.
8272 (add_subscript_info): Always add lower bound.
8273 (gen_formal_parameter_die): Always equate_decl_number_to_die.
8274 (gen_variable_die): Likewise. Don't use the old die for automatic
8277 Wed Dec 18 10:23:46 1996 Jeffrey A Law (law@cygnus.com)
8279 * mn10300.c (notice_update_cc): Enable this code.
8280 * mn10300.h (CC_OVERFLOW_UNUSABLE): Define.
8281 * mn10300.md (tstsi): Use "set_zn_c0" instead of "set" for cc status.
8282 (addsi3 pattern): Break "inc" into two different alternatives
8283 since "inc dn" sets cc0, but "inc an" does not.
8284 (multiply and divide patterns): Fix cc status.
8285 (bCC, inverted bCC): Restore any comparison which needs the
8286 overflow bits when CC_OVERFLOW_UNUSABLE is set.
8287 (zero and sign extensions): Fix cc status.
8288 (movm_store): Likewise.
8290 Tue Dec 17 15:02:44 1996 Jim Wilson <wilson@cygnus.com>
8292 * sched.c (update_flow_info): When add REG_DEAD notes for dest of
8293 last insn, add check for global_regs.
8295 Tue Dec 17 11:07:26 1996 Michael Meissner <meissner@tiktok.cygnus.com>
8297 * rs6000/win-nt.h (HAS_INIT_SECTION): Delete, so that __main is
8300 Mon Dec 16 15:28:44 1996 Jim Wilson <wilson@cygnus.com>
8302 * combine.c (nonzero_bits): Ifdef out calls to num_sign_bit_copies.
8303 Add dummy define/undef for num_sign_bit_copies.
8305 * dwarfout.c (location_or_const_value_attribute, case CONCAT): Add.
8307 * combine.c (simplify_comparison): Use mode_width as shift count
8308 only if it is less than or equal to HOST_BITS_PER_WIDE_INT.
8310 Mon Dec 16 10:10:11 1996 Jeffrey A Law (law@cygnus.com)
8312 * mn10300.c (expand_epilogue): Restore registers in the
8313 "ret" instruction instead of a separate movm instruction.
8314 Support possible stack deallocation in "ret" instruction too.
8315 * mn10300.md (return_internal): Use "ret" instead of "rets";
8316 restore registers and deallocate stack as needed.
8317 (load_movm): Delete unused pattern.
8319 * mn10300.h (SMALL_REGISTER_CLASSES): Define.
8321 Fri Dec 13 14:46:54 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
8323 * sh.md (dect): Rewrite pattern so that it can be combined.
8325 Fri Dec 13 13:14:51 1996 Ian Lance Taylor <ian@cygnus.com>
8327 * varasm.c (output_constant_pool): If ASM_OUTPUT_POOL_EPILOGUE is
8330 Thu Dec 12 20:04:55 1996 Jason Merrill <jason@yorick.cygnus.com>
8332 * rtl.h (RTX_FRAME_RELATED_P): New macro.
8333 (struct rtx_def): Add frame_related bitfield.
8334 * final.c (final_scan_insn): Call dwarf2out_frame_debug.
8335 Don't call dwarf2out_begin_function.
8336 (final): Initialize dwarf2out_frame_debug.
8337 * dwarf2out.c (dwarf2out_begin_function): Remove.
8338 (dwarf2out_init): Use INCOMING_RETURN_ADDR_RTX.
8339 (DWARF_CIE_DATA_ALIGNMENT): Generalize.
8340 (DWARF_FRAME_REGNUM): Don't add 1.
8341 (decode_cfi_rtl): Lose.
8342 (dwarf2out_def_cfa): Now takes reg and offset directly.
8343 (reg_save): Likewise.
8344 (dwarf2out_reg_save): Now takes offset.
8345 (initial_return_save): Grok INCOMING_RETURN_ADDR_RTX.
8346 Replaces dwarf2out_return_save.
8347 (dwarf2out_cfi_label): New fn.
8348 (add_fde_cfi): Use it.
8349 (dwarf2out_frame_debug): New fn.
8350 * mips.h (DWARF_FRAME_REGNUM): Tweak r31.
8351 (INCOMING_RETURN_ADDR_RTX): Define.
8352 * mips.c (mips_expand_prologue): Set RTX_FRAME_RELATED_P as needed.
8353 (save_restore_insns): Likewise.
8354 * i386.c (ix86_expand_prologue): Likewise.
8355 * i386.h (INCOMING_RETURN_ADDR_RTX): Define.
8356 (DWARF_FRAME_RETURN_COLUMN): Define.
8358 * dwarf2out.c (add_AT_long_long): Renamed from add_AT_double fo
8360 (print_die): Adjust.
8361 (add_AT_float): New fn.
8362 (add_const_value_attribute): Support fp values.
8363 (size_of_die): Use blocks for long_long and fp values.
8364 (value_format, output_die): Likewise.
8365 (output_loc_operands): Don't support DW_OP_const8?.
8367 Thu Dec 12 19:49:09 1996 Ian Lance Taylor <ian@cygnus.com>
8369 * varasm.c (CONSTANT_POOL_BEFORE_FUNCTION): Define if not
8371 (assemble_start_function): Check CONSTANT_POOL_BEFORE_FUNCTION
8372 to decide whether to call output_constant_pool.
8373 (assemble_end_function): Likewise.
8375 * calls.c: Check SMALL_REGISTER_CLASSES at run time, not just
8377 * combine.c, cse.c, function.c, jump.c, local-alloc.c: Likewise.
8378 * loop.c, reload.c, reload1.c: Likewise.
8379 * dsp16xx.h (SMALL_REGISTER_CLASSES): Define with value.
8380 * h8300.h (SMALL_REGISTER_CLASSES): Likewise.
8381 * i386.h (SMALL_REGISTER_CLASSES): Likewise.
8382 * pdp11.h (SMALL_REGISTER_CLASSES): Likewise.
8383 * sh.h (SMALL_REGISTER_CLASSES): Likewise.
8385 Thu Dec 12 15:25:39 1996 Michael Meissner <meissner@tiktok.cygnus.com>
8387 * rs6000.md (sysv call insns): If flag_pic add @plt suffix.
8389 * rs6000.md (fix_truncdfsi2_store): Fix offsets > 32k.
8391 * rs6000/t-ppccomm: New file for common parts of embedded and
8392 System V target Makefile support.
8394 * rs6000/t-ppcos: New file for System V OS target Makefile
8397 * rs6000/t-solaris: Delete, merge into rs6000/t-ppcos.
8399 * rs6000/t-{ppc,ppcgas}: Only keep the multilib specific parts,
8400 moving the rest to rs6000/t-ppccomm.
8402 * configure (powerpc*-*-*): For embedded and System V
8403 configurations, add rs6000/t-ppccomm.
8404 For GNU/Linux and Solaris, use t-ppcos.
8406 * ginclude/ppc-asm.h (cr*, f*): Add new macros for register names.
8408 * rs6000/sol-c0.c (_start): Fix uninitialized data bug.
8410 * rs6000.md (init_v4_pic): Add @local to call.
8411 (icbi,dcbst,sync,isync): Delete PowerPC cache control insns.
8413 * rs6000/sysv4.h (ASM_SPEC): On explicit -mcall-solaris, pass
8414 -msolaris to the assembler.
8416 * rs6000.c (rs6000_sync_trampoline): Delete.
8417 (rs6000_trampoline_template): Aix & System V don't need template now.
8418 (rs6000_initialize_trampoline): For System V, call the function
8419 __trampoline_setup to set up the trampoline.
8421 * rs6000.h (TRAMPOLINE_TEMPLATE): Delete here.
8422 * rs6000/win-nt.h (TRAMPOLINE_TEMPLATE): Add it here.
8424 * rs6000/tramp.asm: New file, setup trampolines properly on System
8425 V systems, properly flushing the caches.
8427 Thu Dec 12 10:53:10 1996 Jeffrey A Law (law@cygnus.com)
8429 * reorg.c (fill_slots_from_thread): Don't call eligible_for_delay
8430 with an insn with asm operands.
8432 * expmed.c (emit_store_flag_force): Fix typos/thinkos.
8434 Thu Dec 12 08:09:20 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
8436 * i386.c (i386_return_pops_args): Libcalls ignore TARGET_RTD.
8438 Thu Dec 12 07:56:03 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
8440 * tree.h (maybe_get_identifier): New declaration.
8442 * calls.c (emit_library_call): Don't pass VOIDmode to type_for_mode.
8444 * va-alpha.h: Add definitions for VMS; they differ from Unix.
8446 * Makefile.in (stamp-objlist): Handle first character of object
8449 * 1750a.h (function_arg, {movcnt,mod}_regno_adjust): Add decls.
8450 (branch_or_jump): Likewise.
8451 (FUNCTION_ARG): Remove cast of function_arg result to rtx.
8452 * 1750a.md: Remove unneeded casts to char *.
8454 Thu Dec 12 05:55:27 1996 Richard Earnshaw (rearnsha@armltd.co.uk)
8456 * arm.c (arm_gen_constant, case [IX]OR): Don't invert constant if
8457 loading into temporary.
8459 Wed Dec 11 18:57:21 1996 Brendan Kehoe <brendan@lisa.cygnus.com>
8461 * toplev.c (rest_of_compilation): Make sure unwinder RTL is saved.
8463 * collect2.c (write_c_file): Wrap the ctor/dtor lists and fns
8464 with `extern "C" { ... }'.
8466 Wed Dec 11 17:46:48 1996 John F. Carr <jfc@mit.edu>
8468 * tree.h (tree_decl): Reorder field declarations to reduce size
8471 * combine.c (try_combine): When splitting an insn, check for the
8472 new I2 setting a SUBREG.
8474 Wed Dec 11 17:00:47 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
8476 * alpha.c (print_operand): Use HOST_WIDE_INT_PRINT_DEC instead of
8478 (output_prolog): Don't print useless comment for VMS.
8480 * alpha.c (output_prolog): SIZE is now HOST_WIDE_INT.
8481 * alpha.md (mov[hq]i unnamed): Split up for TARGET_BYTE_OPS and not.
8483 * function.c (fixup_var_refs_1, case ZERO_EXTRACT): Don't call
8484 fixup_memory_subreg if no longer SUBREG of MEM.
8486 Wed Dec 11 14:10:48 1996 Jeffrey A Law (law@cygnus.com)
8488 * mn10300.c: New file for Matsushita MN10300 port.
8489 * mn10300.h, mn10300.md, t-mn10300, xm-mn10300.h: Likewise.
8490 * config.sub: Recognize mn10300 as a basic machine type.
8491 * configure: Similarly.
8492 * ginclude/stdarg.h: mn10300 is little endian.
8493 * ginclude/varargs.h: Likewise.
8495 Wed Dec 11 09:09:10 1996 Nagai Takayuki <nagai@ics.es.osaka-u.ac.jp>
8497 * libgcc2.c (cacheflush): Add SONY NEWS-OS 4.2 version.
8499 Wed Dec 11 09:01:39 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
8501 * calls.c (emit_library_call, emit_library_call_value):
8502 Don't pass an identifier node as function type for
8503 library functions, but rather build a function type that
8504 has a return type with the correct mode.
8505 * i386.c (i386_return_pops_args): Don't test for IDENTIFIER_NODE.
8506 * i386/isc.h (obsolete RETURN_POPS_ARGS): Test first argument
8507 for IDENTIFIER_NODE.
8508 * i386/next.h (RETURN_POPS_ARGS): Likewise.
8509 * i386/sco.h (RETURN_POPS_ARGS): Likewise.
8510 * i386/sco5.h (RETURN_POPS_ARGS): Likewise.
8511 * i386/scodbx.h (RETURN_POPS_ARGS): Likewise.
8512 * m68k.h (RETURN_POPS_ARGS): Likewise.
8513 * ns32k.h (RETURN_POPS_ARGS): Likewise.
8514 * pyr.h (RETURN_POPS_ARGS): Likewise.
8515 * gmicro.h (RETURN_POPS_ARGS): Likewise; fix typo.
8517 Tue Dec 10 17:36:47 1996 J.T. Conklin <jtc@rhino.cygnus.com>
8519 * Add optimizations from John Vickers (john@rhizik.demon.co.uk)
8520 * m68k.h (TARGET_CPU32): New macro.
8521 * m68k.md (add[hs]i3): Only use two addq.w or subq.w instructions
8522 when adding or subtracting constants 8 < N < 16 on TARGET_CPU32.
8523 Use lea instead of add.w when adding 16 bit constants to address
8524 registers on all but TARGET_68040.
8525 * m68k.c (output_function_{pro,epi}logue): Use lea instead of add.w
8526 when adjusting stack pointer on all but TARGET_68040.
8528 Tue Dec 10 15:55:23 1996 Ian Lance Taylor <ian@cygnus.com>
8530 * optabs.c (emit_unop_insn): Treat ZERO_EXTEND like SIGN_EXTEND.
8532 Tue Dec 10 13:47:24 1996 Joern Rennecke <amylaar@cygnus.co.uk>
8534 * combine.c (combinable_i3pat): Bring back to sync with can_combine_p.
8536 * sh.h (ADJUST_INSN_LENGTH): Don't break from loop when LOOP_BEG found.
8537 Calculate padding in new variable pad.
8539 Mon Dec 9 18:00:38 1996 Jason Merrill <jason@yorick.cygnus.com>
8541 * dwarf2out.c (output_uleb128): Output value in human-readable comment.
8542 (output_sleb128): Likewise.
8544 (output_call_frame_info): Only output info if it's interesting.
8545 (add_src_coords_attributes): New fn.
8546 (add_name_and_src_coords_attributes): Split out from here.
8547 (gen_enumeration_type_die): Add src coordinates.
8548 (gen_struct_or_union_type_die): Likewise.
8549 (dwarf2out_finish): Call output_call_frame_info for all targets.
8551 Thu Dec 5 11:25:30 1996 Jason Merrill <jason@yorick.cygnus.com>
8553 * dwarf2out.c (add_pure_or_virtual_attribute): Only add
8554 AT_containing_type if -g2 or higher.
8556 * dwarf2out.c (gen_struct_or_union_type_die): Make sure that
8557 the type for AT_containing_type has been generated.
8558 (gen_decl_die): Likewise.
8560 * dwarf2out.c (type_tag): Check DECL_IGNORED_P.
8561 (add_pure_or_virtual_attribute): Check DECL_VINDEX instead.
8562 (scope_die_for): Likewise.
8563 * dwarfout.c (type_tag): Likewise.
8565 Wed Dec 4 22:51:38 1996 Jason Merrill <jason@yorick.cygnus.com>
8567 * dwarf2out.c (decode_cfi_rtl): Support getting a CONST_INT.
8568 (dwarf2out_begin_function): Adjust.
8569 (reg_save): Divide offset by the alignment.
8570 (output_cfi): Support having more than one advance_loc.
8571 (output_call_frame_info): Re-initialize current_label.
8572 (dwarf2out_begin_prologue): Initialize current_label to NULL.
8573 (lookup_cfa, lookup_cfa_1): New fns.
8574 (dwarf2out_def_cfa): Call lookup_cfa.
8575 (dwarf2out_finish): Don't generate CIE CFIs.
8576 (dwarf2out_init): Generate them here.
8577 (DWARF_FRAME_RETURN_COLUMN): Use PC_REGNUM.
8579 (add_pure_or_virtual_attribute): Note virtual context.
8580 (gen_formal_parameter_die): Return the die.
8581 (gen_formal_types_die): Set AT_artificial on `this'.
8582 (gen_subprogram_die): Add AT_accessibility.
8583 (gen_variable_die): Likewise.
8584 (gen_field_die): Likewise. Don't generate location attribute for
8586 (gen_struct_or_union_type_die): Note where our vtable lives.
8587 (gen_decl_die): Handle anonymous union fields.
8588 (dwarf2out_decl): Always output `bool'.
8590 Mon Dec 2 03:55:15 1996 Jason Merrill <jason@yorick.cygnus.com>
8592 * final.c (final_end_function): Don't call dwarf2out_end_function.
8594 * dwarf2out.c (output_line_info): Emit special opcodes for each line
8595 entry, even if the line number doesn't change.
8596 (pend_type, output_pending_types_for_scope): New fns.
8597 (gen_struct_or_union_type_die): Use them to defer generating member
8598 dies if we're in the middle of some other context.
8599 (gen_type_die): Still put nested types in the right place.
8600 (dwarf2out_decl): Call output_pending_types_for_scope.
8602 * dwarf2out.c (dw_fde_struct): Replace end_prologue, begin_epilogue
8604 (DWARF_CIE_INSN_SIZE, DWARF_CIE_SIZE): Remove.
8605 (DWARF_CIE_HEADER_SIZE): The size without the initial insns.
8606 (size_of_cfi): Revert.
8607 (decode_cfi_rtl, add_fde_cfi, dwarf2out_def_cfa, reg_save,
8608 dwarf2out_reg_save, dwarf2out_return_save): New fns.
8609 (dwarf2out_begin_function): Use them to generate CFIs.
8610 (dwarf2out_finish): Use them to generate E CFIs.
8611 Don't set next_fde_offset.
8612 (calc_fde_sizes): Initialize cie_size.
8613 (output_call_frame_info): Don't generate CIE CFIs.
8614 (dwarf2out_end_function): Remove.
8616 * tree.c (maybe_get_identifier): New fn.
8617 * varasm.c (assemble_name): Use it instead of get_identifier.
8619 Fri Nov 29 15:13:39 1996 Stan Cox <coxs@dg-rtp.dg.com>
8621 * jump.c (jump_optimize): Don't move initialization if there is a
8622 label between it and the jump for if (foo) bar++ to bar += (foo !=0)
8624 Wed Nov 27 16:21:14 1996 Stan Cox <coxs@dg-rtp.dg.com>
8626 * Remove change of Oct 4.
8627 * i386.h (outer_function_chain): Remove.
8628 (current_function_calls_alloca): Remove.
8629 (rtx_equal_function_value_matters): Remove.
8630 (N_REGS_USED, N_ALLOCATABLE_REGISTERS): Remove.
8631 * i386.md (adddi3_1, subdi3_1): Remove.
8632 (adddi3, subdi3): Revert.
8633 (movsf, movsf_mem, movsf_normal, movdf, movdf_mem, movdf_mem+1):
8635 (movxf, movxf_mem, movxf_mem+1, addsidi3_1, addsidi3_2): Likewise.
8636 (adddi3_1, subsidi3, subdi3_1): Likewise.
8637 (addsidi3_1, addsidi3_2, subsidi3): Likewise.
8638 (addsidi3_1, addsidi3_2, adddi3, subsidi3): Disable the problem
8639 reload alternatives.
8641 Wed Nov 27 16:21:14 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
8643 * i386.md (ashldi3_non_const_int, ashrdi3_non_const_int):
8644 Use a hidden branch to handle shifts > 32 bit.
8645 (lshrdi3_non_const_int): Likewise.
8646 (floatdixf2): Don't use unnecessary XFmode operation.
8648 Wed Nov 27 15:23:41 1996 Jason Merrill <jason@yorick.cygnus.com>
8650 * varasm.c (assemble_variable): Don't emit DWARF.
8652 * toplev.c (rest_of_type_compilation): Don't emit DWARF.
8653 (main): Just let -gdwarf mean DWARF v1; remove -gdwarf-1.
8655 * dwarfout.c (decl_class_context): New fn.
8656 (output_global_subroutine_die): Fix declaration case.
8657 (output_global_variable_die): Likewise.
8658 (output_type): Note when we are in a class defn. If we're a nested
8659 type and our context hasn't been written, do that. Do early exit
8661 (output_decl): Output the class context for fns and vars.
8662 Don't emit detailed parm info for a fn declaration.
8663 Use TYPE_DECL_IS_STUB, is_redundant_typedef.
8664 (type_ok_for_scope): Support emitting nested types later.
8665 (is_redundant_typedef): New fn.
8666 (TYPE_DECL_IS_STUB): New macro.
8667 (output_compile_unit_die): Check use_gnu_debug_info_extensions.
8668 (output_local_subroutine_die, output_global_subroutine_die,
8669 dwarfout_begin_function, dwarfout_end_function, dwarfout_line,
8670 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Likewise.
8672 * dwarf2out.c (decl_class_context): Static.
8673 (lookup_type_die): Use TYPE_SYMTAB_POINTER.
8674 (equate_type_number_to_die): Likewise.
8675 (gen_subprogram_die): If we're in class context, it's a decl.
8676 (gen_variable_die): Likewise.
8677 (gen_decl_die): Output the containing type.
8678 (dwarf2out_init): Lose type_die_table code.
8680 Wed Nov 27 08:30:54 1996 Brendan Kehoe <brendan@lisa.cygnus.com>
8682 * Makefile.in (DRIVER_DEFINES): New macro, with the macro
8683 definitions for the driver.
8684 (gcc.o): Make rule use $(DRIVER_DEFINES).
8685 * gcc.c (process_command) [LANG_SPECIFIC_DRIVER]: Call
8686 lang_specific_driver, passing along the addr of FATAL for errors
8687 along with our ARGC and ARGV.
8689 Wed Nov 27 08:21:13 1996 Philippe De Muyter <phdm@info.ucl.ac.be>
8691 * m68k.md (iorsi_zexthi_ashl16): New pattern.
8692 (ashrsi_16): New name for old unnamed pattern.
8694 * objc/misc.c (stdlib.h): Define __USE_FIXED_PROTOTYPES__ before
8697 Wed Nov 27 08:17:34 1996 Joern Rennecke <amylaar@cygnus.co.uk>
8699 * i386.md (decrement_and_branch_until_zero+[3-8]): Add missing
8701 (decrement_and_branch_until_zero+[5-8]): Delete redundant assignment.
8703 Wed Nov 27 07:56:27 1996 J.T. Conklin <jtc@rhino.cygnus.com>
8705 * m68k.md ({and,ior,xor}si3_internal): Removed !TARGET_5200 from
8706 conditionals now that entire insn is disabled when !TARGET_5200.
8708 Wed Nov 27 07:52:32 1996 Oliver Kellogg <kellogg@space.otn.dasa.de>
8710 * 1750a.md (movhi pattern): Fixed MEM to MEM move problem.
8712 Tue Nov 26 14:50:54 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
8714 * expr.c (move_by_pieces): Abort only if length positive at end.
8715 * function.c (frame_offset, get_frame_size): Make HOST_WIDE_INT.
8716 * function.h (struct function): Make frame_offset be HOST_WIDE_INT.
8717 (get_frame_size): Add definition.
8718 * reload1.c (reload): Make starting_frame_size be HOST_WIDE_INT.
8720 Mon Nov 25 16:55:14 1996 Jason Merrill <jason@yorick.cygnus.com>
8722 * dwarf2out.c (dwarf2out_finish): Don't emit call frame info
8723 for non-MIPS targets.
8724 (is_redundant_typedef): New fn.
8725 (modified_type_die): Refer to typedef DIEs where appropriate.
8726 (gen_typedef_die): Support DECL_ORIGINAL_TYPE.
8727 (gen_type_die): Likewise. Use is_redundant_typedef.
8728 (gen_subprogram_die): Don't force a spec DIE for local class methods.
8730 Mon Nov 25 15:09:12 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
8732 * gcc.c (handle_braces): Rework last change.
8734 Mon Nov 25 13:49:51 1996 Jim Wilson <wilson@cygnus.com>
8736 * configure (build_exeext, exeext): New variables. Use sed to insert
8737 build_exeext value into Makefile exeext rule.
8738 (*-*-cygwin32): Set exeext.
8739 * i386/x-cygwin32 (exeext): Delete.
8740 * rs6000/x-cygwin32 (exeext): Delete.
8742 * dwarf.h (enum dwarf_location_atom): Add OP_MULT.
8743 * dwarfout.c (output_mem_loc_descriptor, case MULT): Add.
8744 * dwarfout2.c (mem_loc_descriptor, case MULT): Add.
8746 * dwarfout.c (dwarf_fund_type_name, case FT_unsigned_int64): Fix typo.
8748 Sun Nov 24 21:42:01 1996 J.T. Conklin <jtc@rhino.cygnus.com>
8750 * m68k.md (andsi3): Changed into define_expand.
8751 (andsi3_internal): Rename from old andsi3, changed condition
8753 (andsi2_5200): New insn.
8754 (iorsi3): Change into define_expand.
8755 (iorsi2_internal): Rename from old iorsi3, changed condition
8757 (iorsi2_5200): New insn.
8758 (xorsi3): Change into define_expand.
8759 (xorsi2_internal): Rename from old xorsi3, changed condition
8761 (xorsi2_5200): New insn.
8763 Sun Nov 24 21:31:32 1996 John F. Carr <jfc@mit.edu>
8765 * i386.h (N_ALLOCATABLE_REGISTERS): Remove extra backslash at
8766 end of macro definition.
8768 * cpplib.c (LOCAL_INCLUDE_DIR): Remove default definition.
8769 (include_defaults_array): Do not use LOCAL_INCLUDE_DIR or
8770 TOOL_INCLUDE_DIR if they are not defined.
8773 * Makefile.in (cppmain.o): New rule.
8775 Sun Nov 24 19:14:50 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
8777 * fold-const.c (merge_ranges): In (+,-) case, if lower bounds are
8778 the same the result is always false.
8780 Sun Nov 24 18:48:31 1996 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8782 * c-typeck.c (build_indirect_ref): Don't give warning for
8783 dereferencing void * if evaluation is being skipped.
8785 * c-decl.c (poplevel): Don't call output_inline_function if
8786 DECL_SAVED_INSNS is not set.
8788 * gcc.c (give_switch): Add new arg, INCLUDE_BLANKS.
8789 (handle_braces): All callers changed.
8790 Add support for new construct: %{S*^}.
8792 Sun Nov 24 18:44:48 1996 Paul Eggert <eggert@twinsun.com>
8794 * c-parse.in (unary_expr, expr_no_commas): Increment skip_evaluation
8795 when analyzing an expression that is known not to be evaluated.
8796 (sizeof, alignof): New rules.
8797 * c-tree.h (skip_evaluation): New variable.
8798 * c-common.c (skip_evaluation): Likewise.
8799 (overflow_warning, unsigned_conversion_warning): Don't warn about
8800 potential runtime errors when skipping evaluation.
8801 * c-typeck.c (build_binary_op): Likewise.
8802 (build_conditional_expr): op1 now always nonnull.
8804 Sun Nov 24 17:06:58 1996 Bernd Schmidt (crux@Pool.Informatik.RWTH-Aachen.DE)
8806 * toplev.c (rest_of_compilation): Call regscan before each
8807 jump threading pass.
8809 Sun Nov 24 16:37:18 1996 Dave Love <d.love@dl.ac.uk>
8811 * configure (objc_thread_file): Set conditionally in each case so
8812 may be overridden with `--enable-objcthreads=posix'.
8813 Change GNU/Linux default to `single'.
8815 Fri Nov 22 17:53:15 1996 Jason Merrill <jason@yorick.cygnus.com>
8817 * varasm.c (assemble_variable): Output DWARF in the third case, too.
8819 * dwarf2out.c (decls_for_scope): Only add DIEs with no parents to
8821 (gen_subroutine_type_die): Parm types go under the fn type DIE.
8823 * Makefile.in ($(T)crt{begin,end}.o): Move CRTSTUFF_T_CFLAGS after
8826 * mips/t-iris6 (CRTSTUFF_T_CFLAGS): Define.
8827 * mips.c (compute_frame_size): Fix fp_save_offset.
8829 * dwarf2out.c (new_die): If we get a NULL parent, inc limbo_die_count.
8830 (decls_for_scope): Decrement limbo_die_count as appropriate.
8831 (dwarf2out_finish): Check for good limbo_die_count.
8832 (size_of_cfi): If regno too big for DW_CFA_offset, use offset_extended
8834 (output_call_frame_info): Add disabled code for specifying ABI.
8835 (dwarf2out_begin_function): Note all saved regs.
8837 * dwarf2out.c (gen_subprogram_die): Have a DIE for each fn at
8839 (scope_die_for): Only use the NULL for fns and tags.
8841 Tue Nov 21 15:53:51 1996 Joern Rennecke <amylaar@cygnus.co.uk>
8843 * sh.c (output_stack_adjust): New argument TEMP. Changed all callers.
8844 If the adjust cannot be done with one, but can be done with two
8845 CONST_OK_FOR_I constants, do it that way.
8847 Thu Nov 21 14:25:55 1996 Ian Lance Taylor <ian@cygnus.com>
8849 * fixincludes: Include <stdio.h> in <assert.h> even if not C++ if
8850 stderr needs to be defined.
8852 Wed Nov 20 15:38:13 1996 Jason Merrill <jason@yorick.cygnus.com>
8854 * toplev.c (rest_of_type_compilation): Do output function-scope tags
8856 * c-decl.c (pushtag): Set TYPE_CONTEXT on the tag.
8857 * toplev.c, varasm.c: s/dwarf2out_file_scope_decl/dwarf2out_decl/g.
8858 * dwarf2out.c (add_prototyped_attribute): Use a value of 1.
8859 (gen_subprogram_die): Support AT_static_link.
8860 (dwarf2out_decl): Rename from dwarf2out_file_scope_decl.
8861 Give nested fns and tags a die_parent of NULL.
8862 (decls_for_scope): Fix the die_parent for nested fns and tags.
8863 (scope_die_for): If we get a context of NULL, just return it.
8865 Tue Nov 19 18:21:11 1996 Jason Merrill <jason@yorick.cygnus.com>
8867 * dwarf2out.c (gen_subprogram_die): Support block extern decls.
8868 (gen_variable_die): Likewise.
8869 (gen_decl_die): Emit block extern function decls.
8871 * c-decl.c (implicitly_declare): Set DECL_ARTIFICIAL.
8873 Tue Nov 19 16:50:32 1996 Michael Meissner <meissner@tiktok.cygnus.com>
8875 * configure (powerpc*-{sysv,elf,eabi{,aix,sim}}): Set
8876 extra_headers to ppc-asm.h.
8877 (powerpc*-{linux,solaris,rtems,vxworks}): Likewise.
8878 (powerpc*-{winnt,pe,cygwin32}): Likewise.
8880 * rs6000/t-{ppc,ppcgas,solaris,winnt} (EXTRA_HEADERS): Don't set here.
8882 Mon Nov 18 14:51:46 1996 Jason Merrill <jason@yorick.cygnus.com>
8884 * dwarf2out.c (DWARF_CIE_INSN_SIZE): New macro.
8885 (DWARF_CIE_HEADER_SIZE): Use it.
8886 (DWARF_FRAME_RETURN_COLUMN, DWARF_FRAME_REGNUM): New macros.
8887 (output_call_frame_info, dwarf2out_begin_function): Use them.
8888 For the MIPS, output the first CFA insn in the CIE.
8889 * dwarf2.h (enum dwarf_call_reg_usage): Lose.
8890 (dwarf_macinfo_record_type): Fix spelling.
8891 * mips/mips.h (DWARF_FRAME_REGNUM, DWARF_FRAME_RETURN_COLUMN): Define.
8893 * dwarf2out.c (base_type_die): Just generate the DIEs as needed,
8894 rather than building up some table.
8895 (init_base_type_table): Lose.
8896 (add_subscript_info): Use add_type_attribute. Don't give an upper
8897 bound for an array of unknown size.
8898 (gen_unspecified_parameters_die): Remove DWARF-1 kludge.
8899 (dwarf2out_init): Lose call to init_base_type_table.
8900 (is_c_family, is_fortran): New fns.
8901 (gen_compile_unit_die): Recognize GNU F77.
8902 (gen_array_type_die): Use AT_declaration for an array of unknown size.
8903 (modified_type_die): Take TYPE_MAIN_VARIANT before passing it
8904 to build_type_variant, so we ignore named variants.
8905 (dwarf2out_file_scope_decl): Don't generate DIEs for built-in structs,
8906 either; they will be emitted if they are used.
8908 (gen_array_type_die): Force the element type out first on IRIX 6.
8910 Sun Nov 17 20:23:11 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
8912 * expr.c (get_inner_reference): Fix error in previous change.
8914 Sat Nov 16 06:08:27 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
8916 * emit-rtl.c (operand_subword): Avoid confusion if sizeof (float)
8917 is less than a full word.
8919 * alpha.h (MASK_BYTE_OPS): Now define as 1024.
8920 * alpha/vms.h (TARGET_DEFAULT): Use symbolic values.
8922 * expr.c (get_inner_reference): Add new arg PALIGNMENT and compute it.
8923 (expand_assignment, do_jump): Pass new arg to get_inner_reference.
8924 (expand_expr, case COMPONENT_REF): Likewise.
8925 * fold-const.c (optimize_bit_field_compare, decode_field_reference):
8927 * tree.h (get_inner_reference): Add new arg.
8929 * Add support for Alpha/VMS, mostly from
8930 Klaus Kaempf (kkaempf@progis.de)
8931 * configure (alpha-dec-vms*): New target.
8932 * alpha.c (override_options): Handle VAX format floating-point.
8933 (print_operand, case ',', '-'): New cases.
8934 (alpha_builtin_saveregs): Handle VMS convention.
8935 (alpha_sa_{mask,size}, alpha_pv_save_size, alpha_using_fp):
8936 New versions for VMS.
8937 (output_{pro,epi}logue, function_arg): Likewise.
8938 (direct_return): Never true on VMS.
8939 (check_float_value): Return 0 for VMS.
8940 (vmskrunch, alpha_{need,write}_linkage): New function.
8941 * alpha.h ({MASK,TARGET}_{OPEN_VMS,FLOAT_VAX}): New macros.
8942 (TARGET_SWITCHES): Add float-vax and float-ieee.
8943 ({FUNCTION,LIBCALL}_VALUE, FUNCTION_VALUE_REGNO_P): R1 and R33
8944 are also return registers.
8945 (ASM_OUTPUT_DOUBLE): Support both floating-point formats.
8946 (PRINT_OPERAND_FUNCT_VALID_P): Add ',' and '-'.
8947 * alpha.md ({div,mod}[sd]i3): Only for VMS.
8948 (fp operations): Add modifiers for multiple floating-point formats.
8949 (call patterns): Handle new calling sequence for VMS.
8950 (tablejump): Make new pattern for VMS.
8951 (nonlocal_goto_receiver, arg_home): New patterns.
8952 * alpha/t-vms, alpha/vms.h, alpha/xm-vms.h: New files.
8954 Fri Nov 15 17:38:20 1996 Doug Evans <dje@seba.cygnus.com>
8956 * sdbout.c (current_file): New global.
8957 (PUT_SDB_SRC_FILE): New PUT_SDB_FOO macro.
8958 (sdbout_init): Initialize current_file ifdef MIPS_DEBUGGING_INFO.
8959 (sdbout_{start_new,resume_previous}_source_file): New functions.
8960 * toplev.c (debug_{start,end}_source_file): Call them if SDB_DEBUG.
8961 * mips.h (PUT_SDB_SRC_FILE): Define.
8963 Fri Nov 15 16:11:25 1996 Jason Merrill <jason@yorick.cygnus.com>
8965 * dwarfout.c (dwarfout_line): Don't emit line number info for
8966 functions outside of .text.
8968 Fri Nov 15 15:52:42 1996 Stan Cox <coxs@dg-rtp.dg.com>
8970 * i386/386bsd.h (COMMENT_BEGIN): Delete.
8971 * i386/freebsd.h (COMMENT_BEGIN): Likewise.
8972 * i386/netbsd.h (COMMENT_BEGIN): Likewise.
8973 * i386/unix.h (COMMENT_BEGIN): Likewise.
8975 Fri Nov 15 13:22:42 1996 Jim Wilson <wilson@cygnus.com>
8977 * fold-const.c (unextend): Rewrite type conversions to avoid overflow.
8979 Fri Nov 15 12:11:28 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
8981 * combine.c (try_combine): Properly copy an rtvec.
8982 * emit-rtl.c (gen_rtvec_vv): New function.
8983 (copy_rtx_if_shared): Call it.
8984 * integrate.c (copy_for_inline): Likewise.
8985 * reload1.c (eliminate_regs): Likewise.
8986 * rtl.h (gen_rtvec_vv): Declare.
8987 * genattrtab.c (simplify_cond): Make TESTS an array of rtunions.
8988 * genextract.c (main): Use loop, not bcopy, to set recog_operands
8990 * rtl.c (rtvec_alloc): Clear rtwint instead of rtvec.
8992 * machmode.h (HOST_PTR_PRINTF): Handle char * wider than long.
8993 (HOST_WIDE_INT_PRINT_{DEC,UNSIGNED,HEX,DOUBLE_HEX}): New macros.
8994 * final.c (asm_fprintf): Use "ll" prefix for a long long HOST_WIDE_INT.
8995 (output_{asm_insn,addr_const}): Use HOST_WIDE_INT_PRINT_*.
8996 * print-tree.c (print_node{,_brief}, case INTEGER_CST): Likewise.
8997 * print-rtl.c (print_rtx, case 'w'): Use HOST_WIDE_INT_PRINT_DEC.
8999 * unroll.c (iteration_info): Fix code so that it knows iteration_var
9000 is a HOST_WIDE_INT, not a long.
9002 * fold-const.c (operand_equal_p): Do comparison with REAL_VALUES_EQUAL.
9003 (make_range): Properly decide when to get TREE_TYPE of arg0.
9004 Handle EXP being an INTEGER_CST at end.
9005 (fold_range_test): Handle return of 0 from make_range.
9006 (fold, case TRUTH_AND_EXPR): Handle first arg of 0.
9007 (fold, case TRUTH_OR_EXPR): Handle first arg of 1.
9009 * c-common.c (decl_attributes, case A_ALIAS): Add missing parens.
9011 Fri Nov 15 06:37:54 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
9013 * fold-const.c (range_binop): Set SNG1 to zero if ARG1 is a
9014 not a lower or upper bound.
9016 Thu Nov 14 23:08:25 1996 Jason Merrill <jason@yorick.cygnus.com>
9018 * flags.h (debug_info_type): Add DWARF2_DEBUG.
9019 * toplev.c (main): Support DWARF2_DEBUG. Add -gdwarf-1, -gdwarf-2
9020 options. Check debug level after choosing type.
9021 (debug_{start,end}_source_file, debug_{define,undef}): New functions.
9022 (compile_file): Support dwarf2 separately from dwarf1.
9023 (rest_of_type_compilation, rest_of_compilation): Likewise.
9024 * final.c (final_start_function): Likewise.
9025 (final_end_function, final_scan_insn, output_source_line): Likewise.
9026 * varasm.c (assemble_variable): Likewise.
9027 * dwarfout.c: Don't check DWARF_VERSION.
9028 * dwarf2out.c: s/dwarfout/dwarf2out/g. Check DWARF2_DEBUGGING_INFO.
9029 * c-lex.c (check_newline): Use debug_* instead of calling *out
9031 * svr4.h (DWARF2_DEBUGGING_INFO): Define.
9032 * mips/iris6.h (PREFERRED_DEBUGGING_TYPE): DWARF2_DEBUG.
9033 (DWARF2_DEBUGGING_INFO): Define instead of DWARF_DEBUGGING_INFO.
9034 (LINK_SPEC): Pass -w through.
9035 * mips.h (PREFERRED_DEBUGGING_TYPE): Don't check `len'.
9037 Thu Nov 14 17:25:47 1996 Jeffrey A Law (law@cygnus.com)
9039 * h8300.c (dosize): Don't clobber static chain reg if needed by
9042 Wed Nov 13 17:05:19 1996 Jason Merrill <jason@yorick.cygnus.com>
9044 * Makefile.in (stage?-start): Keep a copy of EXTRA_MULTILIB_PARTS
9045 in the build directory.
9047 Tue Nov 12 23:17:17 1996 Jeffrey A Law (law@cygnus.com)
9049 * pa.c (print_operand, case 'Y'): Fix comparisons to handle
9050 NaNs properly in all cases.
9052 Tue Nov 12 18:47:24 1996 Jim Wilson <wilson@cygnus.com>
9054 * expr.c (emit_group_store): For REG case, call gen_lowpart if
9055 modes are different.
9057 Tue Nov 12 18:24:40 1996 Doug Rupp (rupp@gnat.com)
9059 * gcc.c (exit): If VMS, define as __posix_exit.
9060 (option_map): Add define-macro and undefine-macro.
9062 Tue Nov 12 17:55:10 1996 Torbjorn Granlund <tege@tege.pdc.kth.se>
9064 * alpha.c (input_operand): If TARGET_BYTE_OPS accept HImode and QImode.
9065 * alpha.h (MASK_BYTE_OPS): New define.
9066 (TARGET_BYTE_OPS): New define.
9067 (TARGET_SWITCHES): Handle -mbyte.
9068 (LOAD_EXTEND_OP): When MODE is not SImode, return ZERO_EXTEND.
9069 * alpha.md (zero_extendqidi2): Handle TARGET_BYTE_OPS.
9070 (zero_extend{hidi,qisi,hisi}2): Likewise.
9071 (extendqisi2): Use extendqidi2x if TARGET_BYTE_OPS.
9072 (extendqidi2): Likewise.
9073 (extendqidi2x): New pattern.
9074 (extendhisi2): Use extendhidi2x if TARGET_BYTE_OPS.
9075 (extendhidi2): Likewise.
9076 (extendhidi2x): New pattern.
9077 (movhi): Handle TARGET_BYTE_OPS.
9078 (movhi matcher): Output ldwu and stw.
9079 (movqi): Handle TARGET_BYTE_OPS.
9080 (movqi matcher): Output ldbu and stb.
9082 Tue Nov 12 16:53:37 1996 Rob Savoye <rob@chinadoll.cygnus.com>
9084 * configure (hppa1.1-pro*, i960-*-coff*,m68k-*-aout*): Add libgloss.h.
9085 (m68k-*-coff*, mips*-*-elf*, sparc*-*-aout*, sparc*-*-coff*): Likewise.
9086 * config/libgloss.h: New file.
9088 Tue Nov 12 16:21:45 1996 Joern Rennecke <amylaar@cygnus.com>
9090 * jump.c (jump_optimize): Fix bug in Sep 23 change.
9092 Tue Nov 12 16:15:31 1996 Andrew Cagney (cagney@tpgi.com.au)
9094 * global.c (prune_references): Add missing symmetic CONFLICTP call.
9096 Tue Nov 12 14:34:40 1996 Philippe De Muyter <phdm@info.ucl.ac.be>
9098 * m68k.c (output_function_{pro,epi}logue): Save and restore
9099 fp-registers only if TARGET_68881.
9101 * m68k/mot3300.h (ASM_OUTPUT_INTERNAL_LABEL): Prefix labels with "L%".
9102 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_CASE_LABEL): Likewise.
9103 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
9105 * m68k/mot3300.h (TARGET_DEFAULT): Use MASK_68040_ALSO, not MASK_68040.
9106 * m68k/next.h, m68k/ccur-GAS.h (TARGET_DEFAULT): Likewise.
9108 * fixproto (std_files): Add sys/socket.h.
9110 * m68k.md (movqi): Emit 'st' for INTVAL & 255 == 255, not INTVAL == -1.
9111 (seq,sne,sgt,sgtu,slt,sltu,sge,sgeu,sle,sleu): Allow "m" as operand 0.
9113 Tue Nov 12 14:17:45 1996 Paul Eggert <eggert@twinsun.com>
9115 * c-decl.c (grokdeclarator): Generate a warning if -Wimplicit,
9116 unless a warning was already generated by -Wreturn-type.
9118 Tue Nov 12 14:11:02 1996 Pat Rankin <rankin@eql.caltech.edu>
9120 * Make qsort callback routines conform to the ANSI/ISO standard.
9121 * c-decl.c (field_decl_cmp): Use `const void *' arguments.
9122 * global.c (allocno_compare): Likewise.
9123 * reload1.c (hard_reg_use_compare, compare_spill_regs): Likewise.
9124 (reload_reg_class_lower): Likewise.
9125 * stupid.c (stupid_reg_compare): Likewise.
9126 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
9127 (QTY_CMP_PRI, QTY_CMP_SUGG): New macros.
9128 (qty_compare_1, qty_sugg_compare_1): Use them.
9130 Tue Nov 12 13:20:25 1996 Jim Wilson <wilson@cygnus.com>
9132 * fold-const.c (merge_ranges): In (+,-) case, treat subset specially
9133 if lower bounds are the same.
9135 Tue Nov 12 13:10:01 1996 J.T. Conklin <jtc@cygnus.com>
9137 * m68k.md (addsi3): If TARGET_5200, use the lea insn to add small
9138 constants to address registers.
9139 (negsi2): Change into define_expand.
9140 (negsi2_internal): Rename from old negsi2, changed condition
9142 (negsi2_5200): New insn.
9143 (one_cmplsi2): Change into define_expand.
9144 (one_cmplsi2_internal): Rename from old one_cmplsi2, changed
9145 condition to !TARGET_5200.
9146 (one_cmplsi2_5200): New insn.
9147 (negdi2_5200): Corrected constraints.
9148 (one_cmpldi2): Changed condition to !TARGET_5200.
9150 * m68k.c (m68k_align_loops_string, m68k_align_jumps_string): New vars.
9151 (m68k_align_funcs_string, m68k_align_loops): Likewise.
9152 (m68k_align_jumps, m68k_align_funcs): Likewise.
9153 (override_options): New function.
9154 * m68k.h (TARGET_OPTIONS): Added alignment options.
9155 (MAX_CODE_ALIGN, ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE):
9157 (FUNCTION_BOUNDARY): Use value derrived from m68k_align_funcs
9158 instead of constant.
9160 * m68k.c (output_function_{pro,epi}logue): Fix typo in last change.
9162 Tue Nov 12 09:26:51 1996 Torbjorn Granlund <tege@wombat.gnu.ai.mit.edu>
9164 * i386.md (parallel inc/dec and branch-if-zero/nonzero): Use `+' in
9167 Mon Nov 11 15:12:22 1996 Jason Merrill <jason@yorick.cygnus.com>
9169 * libgcc2.c: Also define WEAK_ALIAS if ASM_OUTPUT_WEAK_ALIAS.
9170 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Define.
9171 * varasm.c (assemble_alias): Use ASM_OUTPUT_WEAK_ALIAS.
9173 * dwarf2out.c (TYPE_USED_FOR_FUNCTION): Lose.
9174 (gen_compile_unit_die): Only append -g with -g2 or better.
9175 (scope_die_for): Don't emit any type info with -g1.
9176 (gen_subprogram_die): Likewise.
9177 (gen_decl_die): Likewise.
9178 (dwarfout_file_scope_decl): Likewise.
9179 (dwarfout_init): Likewise.
9181 * mips/iris6.h (TYPE_ASM_OP): Define.
9182 (SIZE_ASM_OP): Define.
9183 (ASM_WEAKEN_LABEL): Define.
9184 (BSS_SECTION_ASM_OP): Define.
9185 (ASM_OUTPUT_ALIGNED_LOCAL): Don't use ASM_DECLARE_OBJECT_NAME.
9186 (ASM_OUTPUT_ALIGNED_BSS): Define.
9187 (ASM_DECLARE_OBJECT_NAME): Redefine to emit .size directive.
9188 (ASM_FINISH_DECLARE_OBJECT): Define.
9189 (ASM_OUTPUT_DEF): Don't define.
9191 Fri Nov 8 20:38:51 1996 Jim Wilson <wilson@cygnus.com>
9193 * function.c (expand_function_end): Handle BLKmode structures returned
9196 Fri Nov 8 20:27:07 1996 Jason Merrill <jason@yorick.cygnus.com>
9198 * stor-layout.c (layout_record): Check for VAR_DECL instead
9201 * varasm.c (assemble_variable): Do write out DWARF for
9202 record-scope variables.
9203 * toplev.c (rest_of_type_compilation): Do write out DWARF for
9206 * dwarf2out.c (gen_enumeration_type_die): Set TREE_ASM_WRITTEN on a
9208 (gen_struct_or_union_type_die): Don't recurse between nested classes.
9209 (gen_type_die): Write out nested classes by writing out their context.
9211 Fri Nov 8 17:40:27 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
9213 * emit-rtl.c (change_address): If MEMREF isn't changing,
9216 * expr.c (expand_assignment): Remove bogus resetting of alignment
9218 (expand_expr, case COMPONENT_REF): Likewise.
9220 Fri Nov 8 16:31:31 1996 Stan Cox <coxs@dg-rtp.dg.com>
9222 * reg-stack.c (compare_for_stack_reg, subst_stack_regs_pat):
9223 Add support for float conditional move.
9225 Thu Nov 7 07:46:07 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
9227 * stor-layout.c (layout_record): Treat constant size as variable if
9229 * fold-const.c (const_binop, case *_DIV_EXPR): Don't do special
9230 sizetype case if a constant overflows.
9231 (size_binop): Use integer_{zero,one}p instead of explicit test.
9232 * tree.c (integer_{zero,one,all_ones,pow2}p, real_{zero,one,two}p):
9233 Return 0 if TREE_CONSTANT_OVERFLOW.
9235 Wed Nov 6 17:53:33 1996 Torbjorn Granlund <tege@wombat.gnu.ai.mit.edu>
9237 * i386.md (parallel inc and branch-if-zero/nonzero): Add two
9238 new pattern variants. Change incrementing pattern to use incl/jnz.
9240 Wed Nov 6 09:46:10 1996 Stan Cox <coxs@dg-rtp.dg.com>
9242 * i386.c (override_options): Set defaults for -march and -mcpu.
9243 (output_float_compare): Use cc_status.flags to mark if this
9244 comparison can be done with fcomi.
9245 (output_fp_cc0_set): A conditional move may be in a PARALLEL.
9247 * i386.h (CC_FCOMI): Define
9249 * i386.md (sgt,sgtu,sge,sle,bgt,blt,bge,ble): Use CC_FCOMI
9250 (movsicc_1,movhicc_1): Use correct size suffix.
9251 (movsfcc_1,movdfcc_1): Cleanup default move case.
9253 Wed Nov 6 09:46:10 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
9255 * i386.h (HARD_REGNO_MODE_OK): If long double isn't XFmode, can't
9258 Tue Nov 5 22:49:56 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
9260 * sh.md (define_split for and_shl_scratch):
9261 Use rtx_equal_p on the operands to find out which alternative is used.
9262 * sh.c (gen_shl_and): Try to generate shorter constant for and.
9264 Mon Nov 4 19:13:52 1996 Jason Merrill <jason@yorick.cygnus.com>
9266 * dwarf2out.c: Clean up unused variables.
9267 Use ASM_{GENERATE,OUTPUT}_INTERNAL_LABEL, shorten label names.
9268 (loc_descriptor): Use reg_loc_descriptor.
9269 (TYPE_DECL_IS_STUB): New macro.
9270 (gen_decl_die): Use it.
9271 (dwarfout_file_scope_decl): Use it.
9273 Mon Nov 4 10:23:46 1996 Michael Meissner <meissner@tiktok.cygnus.com>
9275 * ginclude/va-ppc.h (__va_regsave_t,va_start,va_end): Wrap macro
9276 and structures inside #ifndef __VA_PPC_H__ to allow reinclusion.
9278 * rs6000.h (LEGITIMATE_SMALL_DATA_P): Don't allow -fpic or TARGET_TOC.
9279 (LEGITIMATE_LO_SUM_ADDRESS_P, LEGITIMIZE_ADDRESS): Likewise.
9281 * rs6000.md (movsi): Don't call elf_{high,low} if -fpic.
9283 * rs6000/cygwin32.h (STARTFILE_SPEC): Eliminate empty %{}.
9285 Sun Nov 3 15:56:35 1996 Michael Meissner <meissner@tiktok.cygnus.com>
9287 * rs6000/sysv4.h (TARGET_TOC): Plain -fpic does not require a TOC.
9288 ({MINIMAL_TOC,CONST}_SECTION_ASM_OP): -fpic should be treated like
9289 -mrelocatable in these cases.
9290 (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
9291 (ASM_OUTPUT_ALIGNED_LOCAL): Use sdata_section, not sbss_section.
9293 Fri Nov 1 19:57:13 1996 Jason Merrill <jason@yorick.cygnus.com>
9295 * dwarf2out.c (based_loc_descr): Use DBX_REGISTER_NUMBER. The
9296 "frame base" is just the frame or stack reg without an offset.
9297 (gen_subprogram_die): Likewise.
9298 (dwarfout_begin_function): Use DBX_REGISTER_NUMBER.
9300 Fri Nov 1 09:50:05 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
9302 * fold-const.c (make_range): Don't merge unsigned case with range
9303 containing upper bound; instead merge just with zero and convert
9304 a range with no upper bound to opposite one with no lower bound.
9305 (merge_ranges): In (+,-) case, don't treat subset specially if
9306 the upper bounds are the same; fix typo in others case here.
9308 Thu Oct 31 20:12:13 1996 Jeffrey A Law (law@cygnus.com)
9310 * fold-const.c (make_range, case PLUS_EXPR): Correct
9311 normalization of an unsigned range that wraps around zero.
9313 Thu Oct 31 21:06:37 1996 Jason Merrill <jason@yorick.cygnus.com>
9315 * mips/t-iris6 (EXTRA_MULTILIB_PARTS): Define.
9316 (EXTRA_PARTS): Don't define.
9318 * dwarf2out.c (gen_struct_or_union_type_die): Use AT_specification
9319 for nested types defined outside their containing class. Lose
9321 (gen_enumeration_type_die): Lose is_complete.
9322 (gen_type_die): Lose is_complete.
9323 (add_name_and_src_coords_attributes): Tweak.
9324 (gen_subroutine_type_die): Use scope_die_for.
9325 (gen_ptr_to_mbr_type_die): Likewise.
9326 (gen_subprogram_die): Support AT_artificial.
9327 (gen_variable_die): Likewise.
9328 (dwarfout_file_scope_decl): Lose finalizing.
9330 Thu Oct 31 18:43:18 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
9332 * pa.c (emit_move_sequence): Refine previous change.
9334 Thu Oct 31 13:25:32 1996 Jim Wilson <wilson@cygnus.com>
9336 * crtstuff.c: Put HAS_INIT_SECTION ifdefs around Irix6 support.
9338 * tree.c (decl_function_context): Handle QUAL_UNION_TYPE.
9340 * calls.c (expand_call): Disable special handling for const calls
9341 that return a PARALLEL rtx.
9342 * expr.c (expand_expr, case CONSTRUCTOR): Don't use a PARALLEL
9345 Thu Oct 31 11:45:00 1996 Michael Meissner <meissner@tiktok.cygnus.com>
9347 * rs6000/t-{ppcgas,ppc,solaris} (EXTRA_MULTILIB_PARTS): Add
9349 ({stmp,install}-crt): Delete, no longer used.
9350 ({,INSTALL_}LIBGCC): Remove {stmp,install}-crt rule.
9352 Thu Oct 31 02:49:58 1996 Torbjorn Granlund <tege@nada.kth.se>
9354 * i386.md (parallel inc and branch-if-zero/nonzero):
9355 Check for -1, not zero.
9357 Wed Oct 30 15:50:49 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
9359 * fold-const.c (range_binop): Strip NOPs from result and
9360 verify it's an INTEGER_CST.
9361 (make_range, case BIT_NOT_EXPR): Fix typo in constant for PLUS_EXPR.
9363 * stor-layout.c (layout_record): Use HOST_WIDE_INT for size.
9365 * stmt.c (expand_asm_operands): Disallow matching constraints
9366 on output and validate the numbers on inputs.
9368 Tue Oct 29 16:21:59 1996 Michael Meissner <meissner@tiktok.cygnus.com>
9370 * gcc.c (process_command,main): Process -specs=file and -specs
9371 file after reading the main specs file to allow the user to
9372 override the default.
9373 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add specs to list.
9374 (option_map): Likewise.
9376 Tue Oct 29 15:49:18 1996 Jason Merrill <jason@yorick.cygnus.com>
9378 * Makefile.in (stmp-multilib): Pass $flags to s-m-sub in
9380 (stmp-multilib-sub): Build EXTRA_MULTILIB_PARTS.
9381 ($(T)crt*.o): Add $(T), lose stamp-crt rule, use MULTILIB_CFLAGS.
9382 (install-multilib): Install EXTRA_MULTILIB_PARTS.
9384 Mon Oct 28 20:09:39 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
9386 * sh.md (shl_sext_ext): Don't accept simple left/right shift variant.
9387 * sh.c (EXT_SHIFT_SIGNED): New macro.
9388 (shl_sext_kind, gen_shl_sext): try left shift - sign extend -
9389 left shift - arithmetic right shift in case 2.
9391 Mon Oct 28 14:55:42 1996 Jim Wilson <wilson@cygnus.com>
9393 * configure (sh-*-*): Set float_format to sh.
9394 * config/float-sh.h: New file.
9396 Mon Oct 28 14:26:08 1996 Ian Lance Taylor <ian@cygnus.com>
9398 * mips/mips.h (RTX_COSTS): Add cases for SIGN_EXTEND and ZERO_EXTEND.
9400 * m68k/lb1sf68.asm: Change # to IMM in udivsi3 __mcf5200__.
9402 * combine.c (simplify_rtx): Add some optimizations for TRUNCATE.
9403 (expand_compound_operation): Add some optimizations for ZERO_EXTEND.
9405 Mon Oct 28 14:11:20 1996 Gavin Koch <gavin@cygnus.com>
9407 * varasm.c (make_decl_rtl,assemble_variable):
9408 Allow named sections for uninitialized variables.
9410 Mon Oct 28 13:08:51 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
9412 * pa.c (emit_move_sequence): If reload in progress, replace
9413 reference to pseudo with reference to corresponding MEM.
9415 * c-typeck.c ({un,}signed_type): If can't do anything, call
9416 signed_or_unsigned_type.
9417 (signed_or_unsigned_type): If already right signedness, return.
9419 Mon Oct 28 13:05:26 1996 Stephen Williams (steve@icarus.com)
9421 * i960.h: Add specification for -Jx types.
9422 * i960/t-960bare: Include multilib support for Jx types.
9424 Mon Oct 28 10:06:00 1996 Michael Meissner <meissner@tiktok.cygnus.com>
9426 * rs6000/t-{ppc{,gas},solaris} (install-crt): Depend on
9427 installdirs, not install-dir.
9429 * rs6000/sysv4.h (TARGET_TOC): -fpic does not use a TOC area.
9431 Mon Oct 28 09:07:42 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
9433 * reload1.c (delete_output_reload): Don't use delete_insn
9434 when deleting all stores into a replaced pseudo.
9436 * sh.md (movsf_ieq, movsf_ie): Merged the former into the latter.
9437 Changed matching define_split appropriately.
9438 (movsf): Changed appropriately.
9439 (reload_insf) Define.
9440 * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Define.
9442 Mon Oct 28 08:38:23 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
9444 * dsp16xx.h (ASM_OUTPUT_BYTE): Adjust definition to actual type of
9445 VALUE, which is HOST_WIDE_INT.
9447 Mon Oct 28 07:36:07 1996 Ulrich Drepper <drepper@cygnus.com>
9449 * ginclude/stddef.h: Make sure file is processed if some of the
9450 known __need_* macros is defined.
9452 Sun Oct 27 21:37:59 1996 J.T. Conklin <jtc@cygnus.com>
9454 * m68k.c (output_function_prologue): Adjust SP then use movmel with
9455 plain address indirect mode for TARGET_5200.
9456 (output_function_epilogue): Disable moveml and use several movel's
9457 instead for TARGET_5200.
9458 (output_function_{pro,epi}logue): Use lea instruction to adjust
9459 stack pointer for short displacements for TARGET_5200.
9461 Sun Oct 27 15:27:45 1996 Jeffrey A Law (law@cygnus.com)
9463 * fold-const.c (merge_ranges): Fix thinko/typo.
9465 Sat Oct 26 22:07:04 1996 Ian Lance Taylor <ian@cygnus.com>
9467 * expr.c (convert_modes): Before returning a const_double for a
9468 large unsigned value, zero extend an integer value if necessary.
9470 Sat Oct 26 15:24:55 1996 Philippe De Muyter <phdm@info.ucl.ac.be>
9472 * m68k/x-mot3300 (XCFLAGS): Disable native assembler's jump
9473 optimization for expr.o and cp/decl.o.
9475 Sat Oct 26 14:04:09 1996 Ben Harris <bjh21@cam.ac.uk>
9477 * m68k.c (output_function_prologue): Add REGISTER_PREFIX to stack
9480 Sat Oct 26 13:59:05 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
9482 * explow.c (allocate_dynamic_stack_space): Delete reference to
9483 nonexistent macro ALLOCATE_OUTGOING_ARGS.
9485 * next.h (CPP_PREDEFINES): Add -D_NEXT_SOURCE.
9487 Sat Oct 26 13:50:49 1996 Mark Mitchell (mitchell@centerline.com)
9489 * configure (i486-ncr-sysv4*): Use i386/sysv4gdb if stabs and gas.
9491 Sat Oct 26 12:20:35 1996 John F. Carr <jfc@mit.edu>
9493 * configure: Support --with-cpu=* for SPARC. Or target default
9494 values instead of adding them.
9495 * sparc.c (cpu_default): Add entries for v8 and supersparc.
9496 * sparc.h: Define TARGET_CPU values for v8 and supersparc.
9498 Sat Oct 26 11:38:01 1996 Kamil Iskra <iskra@student.uci.agh.edu.pl>
9500 * collect2.c (dump_file): Call fclose for opened files.
9502 Sat Oct 26 11:29:29 1996 J"orn Rennecke (amylaar@cygnus.co.uk)
9504 * jump.c (jump_optimize): Fix second error in last change.
9506 * svr3.h: Fix typo which makes comment text be non-comment.
9508 Fri Oct 25 16:18:39 1996 Michael Meissner <meissner@tiktok.cygnus.com>
9510 * rs6000/t-winnt (LIBGCC1): Don't build libgcc1.
9511 (EXTRA_PARTS): Build crti.o, crtn.o.
9512 (stmp-crt): Remove old multilib support.
9514 Thu Oct 24 15:09:14 1996 Jim Wilson <wilson@cygnus.com>
9516 * fold-const.c (make_range, case PLUS_EXPR): Normalize an unsigned
9517 range that wraps around 0.
9519 Thu Oct 24 14:37:17 1996 Ian Lance Taylor <ian@cygnus.com>
9521 * mips.md: Change predicates for 64 bit arithmetic operations
9522 so that they accept sign extended registers as operands.
9523 (extendsidi2): Accept hi or lo as input.
9524 * mips.c (movdi_operand, se_register_operand,
9525 se_reg_or_0_operand, se_uns_arith_operand, se_arith_operand,
9526 se_nonmemory_operand, se_nonimmediate_operand): New functions.
9527 (mips_move_2words): Handle a SIGN_EXTEND source.
9528 (print_operand): Handle a SIGN_EXTEND operand.
9529 (mips_secondary_reload_class): Handle a SIGN_EXTEND rtx.
9530 * mips.h: Declare new mips.c functions.
9531 (PREDICATE_CODES): Add new functions.
9533 Thu Oct 24 07:41:14 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
9535 * fold-const.c (make_range, comparison cases): When making range
9536 for unsigned to merge in, use full range.
9538 * stor-layout.c (GET_MODE_ALIGNMENT): Delete definition; duplicate.
9540 Thu Oct 24 07:28:53 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
9542 * reload1.c (emit_reload_insns): Check for second_reloadreg
9543 in SECONDARY_OUTPUT_RELOAD_CLASS / PRESERVE_DEATH_INFO_REGNO_P case.
9545 Wed Oct 23 14:27:43 1996 Mike Stump <mrs@cygnus.com>
9547 * crtstuff.c (__do_global_dtors_aux): Allow finalization code to
9548 be run more than once.
9549 * libgcc2.c (__do_global_dtors): Ditto.
9551 Wed Oct 23 20:42:23 1996 Joern Rennecke <amylaar@cygnus.co.uk>
9553 * sh.c (dump_table): handle SFmode and DFmode.
9554 (broken_move): handle simple PARALLEL.
9555 (machine_dependent_reorg, pc-relative move generation): Likewise.
9556 * sh.h (CONST_DOUBLE_OK_FOR_LETTER_P): always true for 'F' .
9557 (LEGITIMATE_CONSTANT_P): accept SFmode and DFmode.
9558 * sh.md (movdf_k, movsf_i, movsf_ie): new alternative for
9560 (movsf_ieq): new define_insn with matching define_split.
9561 (movsf): use it where appropriate.
9562 (consttable_sf, consttable_df): new define_insns.
9564 Wed Oct 23 17:48:32 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
9566 * svr4.h (MAKE_DECL_ONE_ONLY): Fix typo in use of macro parameter.
9568 Wed Oct 23 17:46:13 1996 Pat Rankin <rankin@eql.caltech.edu>
9570 * cexp.y (yylex): Cast string literal to U_CHAR* for lookup() call.
9572 Wed Oct 23 14:50:04 1996 Jason Merrill <jason@yorick.cygnus.com>
9574 * stmt.c (expand_return): Expand cleanups. Make sure we get pseudo
9575 and provide target in non-BLKmode case. Get proper return type of fn.
9577 Wed Oct 23 14:16:06 1996 Ian Lance Taylor <ian@cygnus.com>
9579 * reload.c (find_reloads): Handle any unary operator.
9580 * recog.c (constrain_operands): Likewise.
9582 * mips.md: Remove extendsidi2 define_expand.
9583 Rename extendsidi2_internal define_insn to extendsidi2, and add a
9584 register to register case.
9586 Wed Oct 23 14:08:31 1996 Jim Wilson <wilson@cygnus.com>
9588 * a29k.c (a29k_makes_calls): New global variable.
9589 (compute_regstack_size, a29k_compute_reg_names): New functions.
9590 (output_prolog): Much code moved to two new functions.
9591 Use a29k_makes_calls instead of makes_calls.
9592 * a29k.h (ASM_DECLARE_FUNCTION_NAME): Call a29k_compute_reg_names.
9594 * calls.c (expand_call): In target code, move PARALLEL case above
9597 * mips.c (block_move_load_store, block_move_sequence): Delete.
9598 (block_move_loop): New parameter orig_dest. Call change_address to
9599 create new MEM instead of gen_rtx.
9600 (expand_block_move): New local orig_dest. Pass it to block_move_loop.
9601 Call change_address to create new MEM instead of gen_rtx.
9603 Wed Oct 23 10:30:32 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
9605 * loop.c (combine_givs): When combining a DEST_REG giv with its
9606 only use, always set the benefit of the combined giv to that of
9609 * emit-rtl (gen_lowpart_common): When converting a floating
9610 point value into an integer, use WORD as (first) word.
9612 * combine.c (can_combine_p): When SMALL_REGISTER_CLASSES is defined,
9613 avoid substituting a return register into I3.
9615 * optabs.c (emit_libcall_block): Before adding an REG_EQUAL note,
9616 check that it will really apply to a single instruction.
9617 (expand_binop, expand_fix): Likewise.
9619 Wed Oct 23 10:20:52 1996 Stephen L Moshier (moshier@world.std.com)
9621 * real.c (exact_real_inverse): New function, if REAL_ARITHMETIC.
9622 * fold-const.c (exact_real_inverse): Likewise, if no REAL_ARITHMETIC.
9623 (fold, case RDIV_EXPR): Turn divide by constant into multiplication
9624 by the reciprocal, if optimizing and result is exact.
9625 * real.h (exact_real_inverse): Declare.
9627 Wed Oct 23 00:12:52 1996 Torbjorn Granlund <tege@nada.kth.se>
9629 * expr.h (emit_store_flag_force): Declare.
9631 Tue Oct 22 18:32:20 1996 Jim Wilson <wilson@cygnus.com>
9633 * unroll.c (unroll_loop): Always reject loops with unbalanced blocks.
9635 Tue Oct 22 18:27:06 1996 Ian Lance Taylor <ian@cygnus.com>
9637 * config/fp-bit.c (float_to_usi): Correct thinko: avoid negative shift.
9638 (df_to_sf): Remember any discarded nonzero bits in the low order
9641 * ginclude/va-mips.h: Add support for -mips1 and -msoft-float when
9643 * mips/abi64.h (SETUP_INCOMING_VARARGS): When MIPS EABI, handle
9644 TARGET_SINGLE_FLOAT or ! TARGET_FLOAT64 correctly when saving
9645 floating point registers to the stack.
9646 * mips/mips.c (mips_function_value): If TARGET_SINGLE_FLOAT, use
9647 GP_RETURN for floating point types larger than 4 bytes.
9649 Tue Oct 22 09:43:49 1996 Geoffrey Noer <noer@cygnus.com>
9651 * rs6000/cygwin32.h (LIB_SPEC): Add -lkernel32 all of the time,
9652 and {user,gdi,comdlg}32 if -mwindows.
9654 Tue Oct 22 05:24:05 1996 Jason Merrill <jason@yorick.cygnus.com>
9656 * dwarf2out.c (scope_die_for): Don't skip lexical blocks.
9657 (gen_lexical_block_die): Call push_decl_scope.
9658 (gen_subprogram_die): Never refer to the function symbol.
9659 (dwarfout_begin_prologue): Likewise.
9661 Mon Oct 21 20:22:49 1996 Torbjorn Granlund <tege@nada.kth.se>
9663 * expmed.c (emit_store_flag_force): New function.
9664 * optabs.c (expand_binop): Use it.
9666 * expr.c (do_store_flag): Don't check if target is 0 in code
9667 emitting store flag as compare-branch.
9669 Mon Oct 21 17:58:33 1996 Ian Lance Taylor <ian@cygnus.com>
9671 * mips.c (override_options): Correct typo (MASK_64BIT should
9672 have been TARGET_64BIT).
9674 Mon Oct 21 13:58:54 1996 Jim Wilson <wilson@cygnus.com>
9676 * unroll.c (loop_comparison_code): New static variable.
9677 (unroll_loop): Add check for loop_comparison_code
9678 (loop_iterations): Set loop_comparison_code.
9680 * sh.c (gen_shl_sext): Add missing parameter to shl_sext_kind call.
9682 * mips.h (INITIAL_FRAME_POINTER_OFFSET): Delete.
9684 * loop.c (strength_reduce): Add check for ! bl->reversed to
9687 Mon Oct 21 12:28:15 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
9689 * jump.c (jump_optimize): Fix bug in Oct. 14 change.
9691 Mon Oct 21 07:59:16 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
9693 * expr.c (store_expr): Disable optimization of using convert
9694 if exp's type is a subtype.
9696 * c-typeck.c (build_array_ref): If -Wchar-subscripts, also warn
9697 in case when pointer is being indexed.
9699 Mon Oct 21 07:39:31 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
9701 * jump.c (jump_optimize): Use emit_store_flag even if branches
9702 are cheap, if the store is even cheaper.
9704 Sun Oct 20 20:01:09 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
9706 * reload1.c (reload_reg_free_p, reloads_conflict): RELOAD_OTHER
9707 and RELOAD_FOR_OTHER_ADDRESS conflict.
9709 * i386.md (ffs[sh]i2): Add missing CC_STATUS_INIT.
9711 Fri Oct 18 13:32:13 1996 Michael Meissner <meissner@tiktok.cygnus.com>
9713 * rs6000.md (float conversion insns): Generate correct code
9714 if the bit 15 of rs6000_fpmem_offset is non-zero.
9716 Thu Oct 17 23:22:03 1996 Jason Merrill <jason@yorick.cygnus.com>
9718 * dwarfout.c (data_member_location_attribute): Support binfos.
9719 (output_inheritance_die): New fn.
9720 (output_type): Use it.
9722 * dwarf2out.c (value_format): Split out from...
9723 (output_value_format): Here.
9724 (build_abbrev_table): Use value_format.
9725 (size_of_locs): New fn.
9726 (size_of_die): Don't assume a loc needs a 2-byte length.
9727 (value_format, output_die): Likewise.
9729 Thu Oct 17 14:46:14 1996 Ian Lance Taylor <ian@cygnus.com>
9731 * mips.c (override_options): In 64 bit EABI mode, set TARGET_LONG64.
9733 Thu Oct 17 11:34:51 1996 Bob Manson <manson@cygnus.com>
9735 * expr.c (do_jump): Conditionalize cleanups for the COND_EXPR case,
9736 similarly to the way TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR are
9739 Thu Oct 17 01:20:16 1996 Jim Wilson <wilson@cygnus.com>
9741 * m68k.h (MASK_68040_ALSO): New macro.
9742 (TARGET_SWITCHES): Option -m68020-40 includes MASK_68040_ALSO.
9744 Wed Oct 16 16:25:38 1996 Jason Merrill <jason@yorick.cygnus.com>
9746 * dwarf2out.c (scope_die_for): Also support decls, add asserts.
9747 (modified_type_die): Modified types all go under comp_unit_die.
9748 (add_type_attribute): Just pass context_die through.
9749 (various): Revert useless lookup_type_die change.
9750 (gen_subprogram_die): Use scope_die_for. Call push_decl_scope.
9751 (gen_inlined_subroutine_die): Call push_decl_scope.
9752 (gen_struct_or_union_type_die): Likewise.
9753 (gen_decl_die): Don't call push_decl_scope.
9755 * mips/iris6.h (*_SPEC): Replace enumeration of !mabi= with !mabi*.
9756 (ASM_OUTPUT_{CON,DE}STRUCTOR): Enable.
9757 (STARTFILE_SPEC): Support -mips4, -shared.
9758 (ENDFILE_SPEC): Likewise.
9759 (LIB_SPEC): Support -shared, avoid warning 84.
9760 (LIBGCC_SPEC): Define.
9761 (LINK_SPEC): Support -shared, remove -woff 84.
9762 * mips/t-iris6 (EXTRA_PARTS): Add crtstuff.
9763 * crtstuff.c: Support Irix 6.
9764 * configure: Don't use collect2 for Irix 6.
9765 * libgcc2.c (__main): Don't use any of this stuff if HAS_INIT_SECTION.
9767 Wed Oct 16 11:46:37 1996 Mike Stump <mrs@cygnus.com>
9769 * elxsi.h (CHECK_FLOAT_VALUE): Removed.
9771 Wed Oct 16 14:19:38 1996 Jim Wilson <wilson@cygnus.com>
9773 * iris6.h (CPP_PREDEFINES): Add -D_LONGLONG.
9774 (CPP_SPECS): Remove -D_LONGLONG.
9776 Wed Oct 16 03:34:42 1996 Torbjorn Granlund <tege@nada.kth.se>
9778 * i386.md (parallel inc/dec and branch-if-zero/nonzero): New patterns.
9780 Tue Oct 15 22:28:11 1996 Ian Lance Taylor <ian@cygnus.com>
9782 * mips.h (enum mips_abi_type): Add ABI_EABI.
9783 (CPP_SPEC): Define __mips_soft_float if -msoft-float, and
9784 __mips_eabi if -mabi=eabi.
9785 (INITIAL_ELIMINATION_OFFSET, CUMULATIVE_ARGS,
9786 GO_IF_LEGITIMATE_ADDRESS, CONSTANT_ADDRESS_P, LEGITIMATE_CONSTANT,
9787 LEGITIMIZE_ADDRESS): Add support for MIPS EABI.
9788 * mips/abi64.h (STACK_BOUNDARY, MIPS_STACK_ALIGN,
9789 FUNCTION_ARG_PADDING, RETURN_IN_MEMORY, SETUP_INCOMING_VARARGS):
9790 Add support for MIPS EABI.
9791 (FUNCTION_ARG_PASS_BY_REFERENCE): Define.
9792 (FUNCTION_ARG_CALLEE_COPIES): Define.
9793 * mips.c (mips_const_double_ok, function_arg_advance,
9794 function_arg, function_arg_partial_nregs, override_options,
9795 compute_frame_size): Add support for MIPS EABI.
9796 (function_arg_pass_by_reference): New function.
9797 * ginclude/va-mips.h: Add support for MIPS EABI.
9799 Tue Oct 15 19:10:08 1996 Jason Merrill <jason@yorick.cygnus.com>
9801 * toplev.c (rest_of_type_compilation): Don't write out
9802 DWARF for function-scope types yet.
9803 (compile_file): Do send vars with no RTL to the DWARF code.
9805 Tue Oct 15 17:54:43 1996 Doug Evans <dje@cygnus.com>
9807 * loop.c (strength_reduce): Avoid taking PATTERN of a label.
9809 Tue Oct 15 16:52:33 1996 Ian Lance Taylor <ian@cygnus.com>
9811 * mips/iris6.h: (SUBTARGET_CPP_SIZE_SPEC): Define.
9812 (SUBTARGET_CPP_SPEC): Remove definitions of __SIZE_TYPE__ and
9813 __PTRDIFF_TYPE__, now in SUBTARGET_CPP_SIZE_SPEC.
9815 Tue Oct 15 11:19:17 1996 Lee Iverson <leei@Canada.AI.SRI.COM>
9817 * mips.h (CPP_SPEC): Restore -D_LANGUAGE_C for Objective C.
9819 Mon Oct 14 18:03:35 1996 Jason Merrill <jason@yorick.cygnus.com>
9821 * dwarf2out.c (gen_decl_die): Do generate dies for classes with -g1.
9822 (dwarfout_file_scope_decl): Likewise.
9824 Mon Oct 14 16:31:44 1996 Joern Rennecke <amylaar@cygnus.co.uk>
9826 * jump.c (jump_optimize): Check for if (...) { x = a; goto l; } x = b;
9828 Mon Oct 14 14:19:49 1996 Jason Merrill <jason@yorick.cygnus.com>
9830 * dwarf2out.c (modified_type_die): Don't bother with AT_address_class.
9831 (add_data_member_location_attribute): Handle getting a binfo.
9832 (add_location_or_const_value_attribute): Handle a decl with no RTL.
9833 (add_pure_or_virtual_attribute): Add AT_vtable_elem_location.
9834 (add_name_and_src_coords_attributes): Only use DECL_ASSEMBLER_NAME
9836 (gen_subprogram_die): Set up AT_inline for abstract decls.
9837 (gen_inheritance_die): New fn.
9838 (gen_member_die): Also emit info for base classes.
9840 Sat Oct 12 00:07:00 1996 Doug Evans <dje@cygnus.com>
9842 * fold-const.c (make_range): Handle NULL operand 0 like in BIND_EXPRs.
9844 Fri Oct 11 15:42:22 1996 Jason Merrill <jason@yorick.cygnus.com>
9846 * toplev.c (rest_of_compilation): If we did a
9847 save_for_inline_copying, reset DECL_ABSTRACT_ORIGIN for the
9848 function when we're done.
9850 * toplev.c (main): DWARF works with C++ now.
9852 * dwarf2out.c (gen_subprogram_die): Disable MIPS_AT_has_inline
9855 Fri Oct 11 14:31:10 1996 Torbjorn Granlund <tege@nada.kth.se>
9857 * dwarfout.c: (output_bound_representation): Fix typo in prototype.
9859 Fri Oct 11 12:19:21 1996 Ian Lance Taylor <ian@cygnus.com>
9861 * mips.h ({,SUBTARGET_}MIPS_AS_ASM_SPEC): Define.
9862 ({GAS,TARGET,SUBTARGET}_ASM_SPEC): Define.
9863 (SUBTARGET_ASM_{OPTIMIZING,DEBUGGING}_SPEC): Define.
9864 (ASM_SPEC): Rewrite to use above specs.
9865 (SUBTARGET_CPP{,_SIZE}_SPEC): Define.
9866 (CPP_SPEC): Use above specs. Don't define _LANGUAGE_C if C++ or
9868 ({,SUBTARGET_}EXTRA_SPECS): Define.
9869 * mips/dec-bsd.h ({CPP,ASM}_SPEC): Don't define.
9870 * mips/dec-osf1.h (CPP_SPEC): Don't define.
9871 (SUBTARGET_CPP_SIZE_SPEC): Define.
9872 * mips/elf64.h (CPP_SPEC): Don't define.
9873 (SUBTARGET_CPP_SPEC): Define.
9874 * mips/gnu.h (TARGET_DEFAULT): Define.
9875 (ASM_SPEC): Don't define.
9876 * mips/iris3.h (CPP_SPEC): Don't define.
9877 (SUBTARGET_CPP_SPEC): Define.
9878 * mips/iris4loser.h (ASM_SPEC): Don't define.
9879 (SUBTARGET_MIPS_AS_ASM_SPEC): Define.
9880 (SUBTARGET_ASM_OPTIMIZING_SPEC): Define.
9881 * mips/iris5.h (CPP_SPEC): Don't define.
9882 (SUBTARGET_CPP_SPEC): Define.
9883 * mips/iris6.h ({CPP,ASM}_SPEC): Don't define.
9884 (SUBTARGET_{CPP,ASM,MIPS_AS_ASM,ASM_DEBUGGING}_SPEC): Define.
9885 * mips/netbsd.h ({CPP,ASM}_SPEC): Don't define.
9886 (SUBTARGET_CPP_SPEC): Define.
9887 * mips/osfrose.h ({CPP,ASM,ASM_FINAL}_SPEC): Don't define.
9888 (SUBTARGET_CPP{,_SIZE}_SPEC): Define.
9889 * mips/sni-svr4.h (CPP_SPEC): Don't define.
9890 (SUBTARGET_CPP_SIZE_SPEC): Define.
9892 Thu Oct 10 17:58:49 1996 Jason Merrill <jason@yorick.cygnus.com>
9894 * mips/iris6.h (ASM_OUTPUT_SECTION_NAME): Define.
9895 (DWARF_OFFSET_SIZE): Define.
9897 * dwarf2out.c (most everywhere): Support SGI/MIPS -mabi=64 by fixing
9898 code which assumed pointers are 4 bytes long, parameterizing many
9899 sizes on DWARF_OFFSET_SIZE and using DELTA instead of DELTA4,
9900 DATA instead of DATA4, FORM_ref instead of FORM_ref4.
9901 (DWARF_ROUND, UNALIGNED_DOUBLE_INT_ASM_OP): New macros.
9902 (UNALIGNED_WORD_ASM_OP, ASM_OUTPUT_DWARF_DELTA): Likewise.
9903 (ASM_OUTPUT_DWARF_DATA, DW_FORM_data, DW_FORM_ref): New macros.
9904 (gen_variable_die): Only equate_decl_number_to_die if
9905 decl is TREE_STATIC.
9906 (get_AT): Fix thinko.
9908 * dwarf2out.c (constant_size): New fn.
9909 (size_of_die): Use it instead of assuming 4 bytes.
9910 (output_value_format, output_die): Likewise.
9911 (build_abbrev_table): Need new abbrev if size of constant differs.
9912 (dwarf_attr_name): Add new SGI/MIPS extensions.
9913 (gen_subprogram_die): Support DW_AT_MIPS_has_inlines.
9914 (gen_inlined_subroutine_die): Likewise.
9916 Thu Oct 10 16:38:58 1996 Ian Lance Taylor <ian@cygnus.com>
9918 * mips.md (mov[sd]fcc): Use register_operand, not reg_or_0_operand,
9919 for source predicates.
9921 Thu Oct 10 15:19:38 1996 Michael Meissner <meissner@tiktok.cygnus.com>
9923 * rs6000.md (floatsidf2_load): For large stack frames, do not
9924 generate an illegal memory reference.
9925 (movdi, movdf define_splits): Fix code so that it works for either
9926 big or little endian hosts generating code for either big or
9927 little endian targets.
9930 * rs6000.c (rs6000_save_toc_p): Delete global variable.
9931 (rs6000_{save,restore}_machine_status): Do not save/restore it.
9932 (rs6000_init_expanders): Do not initialize it.
9933 (rs6000_stack_info): Always create TOC save space.
9935 * rs6000.md (NT indirect call insns): Do not set
9938 * rs6000.h (rs6000_save_toc_p): Delete declaration.
9940 Wed Oct 9 18:06:54 1996 Ian Lance Taylor <ian@cygnus.com>
9942 * mips.h (EMPTY_FIELD_BOUNDARY): Define as 32.
9943 * mips/abi64.h (EMPTY_FIELD_BOUNDARY): Don't define.
9945 * mips/abi64.h (TARGET_DEFAULT, TARGET_LONG64, CPP_PREDEFINES,
9946 CPP_SPEC): Move from here...
9947 * mips/iris6.h: ...to here.
9949 Wed Oct 9 16:43:51 1996 Jim Wilson <wilson@cygnus.com>
9951 * configure (i[3456]86-dg-dgux): Use install-headers-cpio.
9953 * expr.c (store_constructor): Delete unnecessary increment.
9955 Wed Oct 9 16:29:22 1996 Gavin Koch <gavin@cetus.cygnus.com>
9957 * cccp.c (do_include): Treat ENOTDIR like ENOENT when an open fails.
9959 Wed Oct 9 16:26:57 1996 Paul Eggert <eggert@twinsun.com>
9961 * gcc.c (default_compilers): -ansi no longer implies -$ to cpp.
9962 * c-lex.c (yylex): Treat `$' just like `_', except issue a
9963 diagnostic if !dollars_in_ident or if pedantic.
9964 * c-decl.c (dollars_in_ident): DOLLARS_IN_IDENTIFIERS is now Boolean.
9965 (c_decode_option): -fdollars-in-identifiers is now independent
9966 of -ansi, of -traditional, and of DOLLARS_IN_IDENTIFIERS.
9967 * cexp.y (initialize_random_junk): Ignore DOLLARS_IN_IDENTIFIERS.
9968 * cccp.c (dollars_in_ident): Remove; replaced by is_idchar['$'].
9969 (main): Initialize is_idchar and is_idstart directly when given -$.
9970 Ignore DOLLARS_IN_IDENTIFIERS.
9971 (rescan): Diagnose $ in identifier if pedantic.
9972 (initialize_char_syntax): Assume $ is allowed in identifier;
9973 `main' will change this if -$ is given.
9974 * cpplib.h (DOLLARS_IN_IDENTIFIERS): Remove.
9975 * cpplib.c (cpp_options_init): Ignore DOLLARS_IN_IDENTIFIERS.
9976 (parse_name): Diagnose $ in identifier if pedantic.
9977 (cpp_handle_options): -traditional no longer messes with
9979 * i386/dgux.h, m68k/apollo68.h (DOLLARS_IN_IDENTIFIERS): Remove.
9980 * m88k.h, mips.h, nextstep.h, pa.h (DOLLARS_IN_IDENTIFIERS): Remove.
9981 * vax/ultrix.h, vax/vms.h (DOLLARS_IN_IDENTIFIERS): Remove.
9982 * convex.h (OVERRIDE_OPTIONS): Don't need to set
9983 dollars_in_ident any more, since -ansi doesn't change it.
9985 Wed Oct 9 07:35:47 1996 Doug Evans <dje@cygnus.com>
9987 * Allow prefix attributes in more places.
9988 * c-parse.in: Update number of shift/reduce conflicts.
9989 ({typed_declspecs,reserved_declspecs,declmods}_no_prefix_attr): New.
9990 (current_declspecs): Initialize to NULL_TREE.
9991 (fndef): Pass current_declspecs, not $1, to start_function.
9992 (old_style_parm_decls): Renamed from xdecls.
9993 (datadecl, declmods): Add references to new rules.
9994 (setspecs): Call split_specs_attrs.
9995 (absdcl1): Remove case with setattrs.
9996 * c-common.c (split_specs_attrs): New function.
9998 Wed Oct 9 05:48:43 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
10000 * sdbout.c: Include defaults.h.
10001 * Makefile.in (sdbout.o): Make dependency list match included files.
10003 * fold-const.c (range_test): Function deleted.
10004 (range_binop, make_range, build_range_check): New functions.
10005 (merge_ranges, fold_range_test): Likewise.
10006 (fold_truthop): No longer call range_test.
10007 (fold, case TRUTH_{AND,OR}{,IF}_EXPR): Call fold_range_test.
10009 Tue Oct 8 22:03:32 1996 Torbjorn Granlund <tege@nada.kth.se>
10011 * configure: Set cpu_type for pyramid.
10013 Tue Oct 8 21:54:04 1996 Jason Merrill <jason@yorick.cygnus.com>
10015 * final.c (final_start_function): Call dwarfout_begin_prologue.
10017 * dwarf2out.c (pubname_*, arange_*): New data for .debug_pubnames
10018 and .debug_aranges sections.
10019 (add_pubname): New fn.
10020 (size_of_pubnames): Reimplement.
10021 (output_pubnames): Likewise.
10022 (add_arange): New fn.
10023 (size_of_aranges): Include function sections.
10024 (output_aranges): Likewise.
10025 (gen_variable_die): Call add_pubname.
10026 (add_name_and_src_coords_attributes): Use DECL_ASSEMBLER_NAME for now.
10027 (decl_start_label): Renamed from function_start_label.
10028 (gen_subprogram_die): If weak or one_only, use a local label for
10029 AT_low_pc. Call add_pubname and add_arange.
10030 (dwarfout_begin_prologue): New fn. Start up FDE here.
10031 (dwarfout_begin_function): Not here.
10032 (get_AT): Split out. Look in specification and abstract_origin DIEs.
10033 (get_AT_low_pc, get_AT_string, get_AT_flag, get_AT_unsigned,
10034 get_AT_hi_pc): Use it.
10035 (dwarfout_finish): Variables can produce pubnames, too.
10037 Tue Oct 8 19:35:40 1996 Torbjorn Granlund <tege@nada.kth.se>
10039 * m88k/dgux.h (CPP_SPEC): Avoid newline in the string.
10041 * final.c (final): Update insn_current_address before calling
10044 Tue Oct 8 17:52:02 1996 Jim Wilson <wilson@cygnus.com>
10046 * unroll.c (unroll_loops): Set local_regno only if set_dominates_use
10048 (set_dominates_use): New function.
10050 Tue Oct 8 16:01:37 1996 Doug Evans <dje@cygnus.com>
10052 * c-typeck.c (decl_constant_value): Delete test for ! TREE_PUBLIC.
10054 Tue Oct 8 10:36:44 1996 Jeffrey A Law (law@cygnus.com)
10056 * pa.c (hppa_legitimize_address): Remove test code accidentally left
10057 in during last change.
10059 Mon Oct 7 19:55:02 1996 Jim Wilson <wilson@cygnus.com>
10061 * sched.c (schedule_block): Before scheduling, add code to make all
10062 call used regs not fixed or global live when we see a CALL_INSN.
10063 During scheduling, change existing code to use same test.
10065 * varasm.c (bss_section): Delete unused parameters.
10067 Mon Oct 7 16:24:21 1996 Jason Merrill <jason@yorick.cygnus.com>
10069 * dwarf2.h: Add new SGI/MIPS attributes.
10071 * dwarf2out.c (*_separate_line_info_*): Parallel line number
10072 information for functions defined in sections other than .text.
10073 (size_of_line_info): Support it.
10074 (output_line_info, dwarfout_line): Likewise.
10075 (gen_compile_unit_die): Don't add high/low_pc or stmt_list
10077 (dwarfout_finish): Add them here if appropriate.
10078 (remove_AT): Free removed attribute properly.
10079 (gen_type_die): Don't assume a nested type is complete.
10080 (dwarfout_finish): Don't emit line info if it would be empty.
10082 * dwarfout.c (output_block): Don't emit a DIE for a body block.
10083 (output_decls_for_scope): Don't increment next_block_number for the
10085 (output_decl): Start from the outer block, not
10086 the first inner block since there can be more than one in C++.
10087 (type_tag): Handle C++ TYPE_NAME.
10088 (output_type): Fix handling of TYPE_METHODS.
10089 (output_decl): Don't output a DIE for artificial typedefs.
10091 Mon Oct 7 15:47:29 1996 Michael Meissner <meissner@tiktok.cygnus.com>
10093 * rs6000.md (movdi define_splits): Fix previous change to work
10094 on both little and big endian hosts.
10096 Sun Oct 6 16:52:34 1996 Jeffrey A Law (law@cygnus.com)
10098 * pa.h (combinable_fsub): Don't return without a value.
10100 Sun Oct 6 14:05:39 1996 Michael Meissner <meissner@tiktok.cygnus.com>
10102 * rs6000.md (mov{df,di} define_splits): Use split_double to
10103 properly split CONST_DOUBLEs.
10106 Sat Oct 5 08:43:14 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
10108 * i386/cygwin32.h (LIB_SPEC): Add support for -mwindows.
10109 Always pass -lkernel32.
10110 (LIBGCC_SPEC): Don't delete.
10111 (STARTFILE_SPEC): Remove always-true conditionalization.
10112 (LONG_DOUBLE_TYPE_SIZE): Use default.
10114 Fri Oct 4 17:22:53 1996 Jason Merrill <jason@yorick.cygnus.com>
10116 * toplev.c (rest_of_type_compilation): Don't emit DWARF for member
10117 types of a type we haven't emitted yet.
10118 (compile_file): Still emit DWARF for pending tagged types.
10120 * final.c (final_scan_insn): Do emit DWARF labels for level 1 blocks.
10122 * dwarf2out.c (gen_subprogram_die): Start from the outer block, not
10123 the first inner block since there can be more than one in C++.
10124 (gen_lexical_block_die): Keep track of the block depth.
10125 (gen_block_die): Don't emit a DIE for a body block.
10126 (gen_inlined_subroutine_die): Don't emit anything for an
10128 (decls_for_scope): Don't increment next_block_number for the
10131 Fri Oct 4 15:27:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
10133 * sh.h (PRESERVE_DEATH_INFO_REGNO_P): Define.
10135 * sh.c (sfunc_uses_reg): New function.
10136 (noncall_uses_reg, machine_dependent_reorg, final_prescan_insn):
10137 Handle special functions like function calls for purposes of relaxing.
10138 (noncall_uses_reg): Added some missing cases of registers
10139 being used in non-call instructions.
10141 Fri Oct 4 10:51:40 1996 Jason Merrill <jason@yorick.cygnus.com>
10143 * dwarf2out.c: Tear out backchaining brain damage.
10144 (remove_AT, remove_children): New functions.
10145 (modified_type_die): Call gen_type_die instead of backchaining.
10146 (gen_subprogram_die): Don't generate a new specification DIE for
10147 member functions defined in the class; use the declaration DIE instead.
10148 (gen_struct_or_union_type_die): Support DW_AT_declaration.
10149 (gen_type_die): Don't set TREE_ASM_WRITTEN on incomplete structs.
10150 (gen_decl_die): Revert previous change; it's much simpler to emit
10151 the class from rest_of_type_compilation.
10153 Fri Oct 4 09:54:21 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
10155 * Make sure we have enough registers for the insns we recognize.
10156 * i386.h (flag_omit_frame_pointer, outer_function_chain): Declare.
10157 (current_function_calls_alloca): Likewise
10158 (rtx_equal_function_value_matters): Likewise
10159 (N_REGS_USED, N_ALLOCATABLE_REGISTERS): Define.
10161 * i386.md (adddi3_1, subdi3_1): Insns renamed from adddi3 and subdi3;
10162 added missing earlyclobbers.
10163 (adddi3_1): Removed duplicates from commutativity.
10164 (adddi3, subdi3): New define_expands.
10165 (movsf, movsf_mem, movsf_normal, movdf, movdf_mem , movdf_mem+1): Take
10166 number of used vs. available registers into account.
10167 (movxf, movxf_mem, movxf_mem+1, addsidi3_1, addsidi3_2): Likewise.
10168 (adddi3_1, subsidi3, subdi3_1): Likewise.
10169 (addsidi3_1, addsidi3_2, subsidi3): Need no generate function.
10171 * i386.c (asm_output_function_prefix): Don't use
10172 ASM_DECLARE_FUNCTION_NAME if it is not defined.
10174 Fri Oct 4 07:01:55 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
10176 * stor-layout.c (layout_decl): Don't turn off DECL_BIT_FIELD
10177 if DECL's alignment is less than its type.
10179 Thu Oct 3 19:42:30 1996 Jason Merrill <jason@yorick.cygnus.com>
10181 * toplev.c (rest_of_type_compilation): Also do this for DWARF.
10182 (compile_file): Don't try to write out DWARF for vars with no RTL.
10184 Thu Oct 3 18:31:28 1996 Doug Evans <dje@cygnus.com>
10186 * ginclude/{stdarg.h,varargs.h}: Use #include "", not #include <>.
10188 Wed Oct 2 17:29:53 1996 Ian Lance Taylor <ian@cygnus.com>
10190 * fixincludes: Add a hack to the big sed script to work around a
10191 bug in the sed implementation on HP/UX 10.20.
10193 Wed Oct 2 16:53:56 1996 Jason Merrill <jason@yorick.cygnus.com>
10195 * dwarf2out.c (modified_type_die): Don't generate redundant DIEs.
10196 (gen_{array,pointer,reference,ptr_to_mbr}_type_die): Likewise.
10197 (gen_{subroutine,string,set}_type_die): Likewise.
10199 * dwarf2out.c: Undo text_end_label, add_src_coords changes.
10200 (addr_const_to_string): Fix typos.
10201 (decl_class_context, get_AT_unsigned): New functions.
10202 (gen_subprogram_die): Only emit src coords info for a specification
10204 (gen_variable_die): Support DW_AT_declaration and DW_AT_specification.
10205 (gen_decl_die): Avoid generating redundant DIEs for member functions
10208 Wed Oct 2 11:22:50 1996 Jeffrey A Law (law@cygnus.com)
10210 * pa.h (EXTRA_CONSTRAINT): Loosen conditions for match of
10211 'Q' and 'T' while reload is running.
10212 * pa.c (hppa_legitimize_address): Rework to generate more
10213 indexed and scaled indexed addressing.
10214 * pa.md (scaled indexed store): Add define_splits to undo
10215 pessimizations created by hppa_legitimize_address for integer stores.
10217 * pa.c (remove_useless_addtr_insns): New function.
10218 (pa_reorg): Delete code to remove useless add,tr insns.
10219 Instead call remove_useless_addtr_insns.
10220 (output_function_prologue): Call remove_useless_addtr_insns
10221 to catch any add,tr insns created by reorg.
10223 * pa.c (secondary_reload_class): Remove duplicate/useless code.
10225 * pa.h (PARSE_LDD_OUTPUT): Handle output from hpux10.20 "chatr".
10227 Tue Oct 1 17:23:32 1996 Jason Merrill <jason@yorick.cygnus.com>
10229 * dwarf2out.c (text_end_label): New static.
10230 (size_of_line_info): The final entry is smaller.
10231 (output_aranges): Use TEXT_SECTION instead of TEXT_BEGIN_LABEL and
10232 text_end_label instead of TEXT_END_LABEL.
10233 (gen_compile_unit_die): Likewise.
10234 (output_line_info): Likewise. Use a fixed advance for the last entry.
10235 (dwarfout_init): Don't output starting labels.
10236 (dwarfout_finish): Set up text_end_label. Don't output ending labels.
10238 (add_pure_or_virtual_attribute): Don't say pure virtual for now.
10239 (type_tag): Handle C++ TYPE_NAME.
10240 (gen_formal_parameter_die): Support DW_AT_artificial.
10241 (gen_formal_types_die): Do emit the type for 'this'.
10242 (gen_member_die): Fix handling of TYPE_METHODS.
10243 (gen_decl_die): Do output a DIE for member function declarations.
10244 Don't output a DIE for artificial typedefs.
10246 (add_member_attribute): Remove, not in DWARF-II.
10247 (gen_array_type_die): Remove ref to add_member_attribute.
10248 (gen_set_type_die, gen_entry_point_die, gen_enumeration_type_die,
10249 gen_subprogram_die, gen_variable_die, gen_field_die,
10250 gen_pointer_type_die, gen_reference_type_die, gen_ptr_to_mbr_type_die,
10251 gen_string_type_die, gen_struct_or_union_type_die,
10252 gen_subroutine_type_die, gen_typedef_die): Likewise.
10254 (get_AT_flag): New fn.
10255 (add_src_coords_attributes): Split out...
10256 (add_name_and_src_coords_attributes): From here.
10257 (gen_subprogram_die): Support DW_AT_declaration and
10258 DW_AT_specification.
10260 (gen_compile_unit_die): Don't emit full pathname for source file;
10261 comment claimed that SGI required it, but they don't emit it either.
10262 Append -g to producer rather than replacing it.
10264 Tue Oct 1 14:19:23 1996 Jim Wilson <wilson@cygnus.com>
10266 * gcc.c (used_arg): When call xmalloc for mswitches, pass 1 if
10267 n_switches is zero.
10269 Mon Sep 30 17:46:26 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
10271 * sh.c (gen_shl_and, gen_shl_sext): Use gen_lowpart to
10272 generate rtx in the appropriate mode for zero/sign-extension.
10273 Don't generate a zero bit shift.
10274 (gen_shl_sext) Directly use gen_ashift instead of gen_ashrsi3.
10276 Mon Sep 30 17:17:56 1996 Ian Lance Taylor <ian@cygnus.com>
10278 * fixinc.svr4: In math.h, redefine exception to __math_exception
10279 for C++, to avoid conflict with <exception>.
10280 * fixincludes: Likewise.
10281 Fix check for class in math.h to not match fp_class.
10283 Mon Sep 30 17:15:19 1996 Jim Wilson <wilson@cygnus.com>
10285 * iris6.h (ASM_SPEC): Add -w.
10286 (STARTFILE_SPEC): Add mips3 to n32 pathnames.
10287 Add -L/usr/lib32/mips for n32 cases.
10288 (ENDFILE_SPEC): Add mips3 to n32 pathnames.
10290 Mon Sep 30 13:20:31 1996 Ian Lance Taylor <ian@cygnus.com>
10292 * genopinit.c (gen_insn): Look through the modes in reverse order,
10293 to avoid stopping early on CC when EXTRA_CC_MODES is used.
10295 * fixincludes: Add extern "C" to <sys/mman.h> on HP/UX.
10297 Sun Sep 29 12:39:18 1996 Michael Meissner <meissner@tiktok.cygnus.com>
10299 * c-typeck.c (pointer_diff): Do not do default conversions when
10300 doing the minus expression, in case restype is a short type.
10302 Sun Sep 29 11:22:10 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
10304 * tree.c (build_complex): Add new argument, TYPE.
10305 * tree.h (build_complex): Likewise.
10306 * c-lex.c (yylex): Add new arg, TYPE, to call to build_complex.
10307 * fold-const.c (const_binop): Likewise.
10308 (fold, case CONJ_EXPR, COMPLEX_EXPR): Likewise.
10309 * varasm.c (copy_constant, case COMPLEX_CST): Likewise.
10310 * expr.c (expand_expr, case COMPONENT_REF): Don't try to directly
10312 * recog.c (register_operand): Don't reject subreg of complex mode.
10313 * emit-rtl.c (mark_user_reg): New function.
10314 * function.c (assign_parms): Use it.
10315 * stmt.c (expand_decl): Likewise, and simplify code.
10317 * tree.c (contains_placeholder): Return 1 for PLACEHOLDER_EXPR.
10319 * expr.c (store_expr): memset/bzero gets ptr_mode, not Pmode.
10321 * stmt.c (expand_asm_operands): Fix errors in previous patches.
10323 * x-linux: Simplify, but ensure headers aren't changed.
10325 * getpwd.c: No longer include direct.h for _WIN32.
10327 * configure (i[3456]86-*-isc*): Remove bogus echo.
10328 (m68k-apple-aux*): a-ux.h renamed from aux.h.
10329 (CC): Escape "$" char in "no-symlink" case for bash/cygwin32 bug.
10331 * Makefile.in (installdirs): Renamed from install-dir.
10332 Create $(prefix) and $(exec_prefix) if doesn't exist.
10333 (install-float): Reflect new name for installdirs.
10334 (install-{common,info,man,libgcc,multilib,libobjc}): Likewise.
10335 (install-{include-dir,assert-h,collect2}): Likewise.
10337 * reload1.c (gen_reload): Handle SUBREG in PLUS specially too.
10338 Change calls to emit_move_insn to recursive calls.
10340 * stmt.c (fixup_gotos): When running undefined labels, if no cleanup
10341 actions for this block, don't clear BEFORE_JUMP.
10343 Fri Sep 27 13:48:21 1996 Michael Meissner <meissner@tiktok.cygnus.com>
10345 * c-decl.c (init_decl_processing): Create short int types before
10346 creating size_t in case a machine description needs to use
10347 unsigned short for size_t.
10349 Fri Sep 27 12:28:54 1996 Stan Cox <coxs@dg-rtp.dg.com>
10351 * gcc.c (do_spec_1): Allow -A in %[Spec].
10353 * i386.h (CPP_CPU_SPEC): New. Added for defining the submodel.
10355 * i386.c (asm_output_function_prefix, function_prologue,
10356 ix86_expand_prologue): Make the routine that sets the GOT (when pic
10357 is enabled) a function, to assist debugging.
10359 * i386.md (gen_prologue_get_pc): Call the function created above.
10362 * i386/dgux.h (CPP_PREDEFINES, CPP_SPEC): Reference CPP_CPU_SPEC.
10363 Use svr4 assembler directive .backalign instead of .align.
10364 (align to x bytes if it takes no more than y bytes to do so.)
10366 * i386/{aix386ng.h,dgux.h} (CPP_SPEC): Use %[cpp_cpu].
10367 * i386/{freebsd-elf,gas,isc,linux-aout}.h: Likewise.
10368 * i386/{linux-oldld,linux,osfelf,osfrose,sco,sco4}.h: Likewise.
10369 * i386/{sco4dbx,sco5,sol2,sysv3}.h: Likewise.
10371 Thu Sep 26 17:58:34 1996 Torbjorn Granlund <tege@matematik.su.se>
10373 * m68k.md (mulsidi3 matcher): Change predicate const_int_operand
10374 to const_sint32_operand. Get rid of bogus range condition.
10376 Thu Sep 26 17:12:00 1996 Jim Wilson <wilson@cygnus.com>
10378 * Makefile.in (stmp-int-hdrs): Don't cd to srcdir before copying
10379 header files to objdir.
10381 Wed Sep 25 21:22:57 1996 Jeffrey A Law (law@cygnus.com)
10383 * h8300.h (FIRST_PSEUDO_REGISTER, ARG_POINTER_REGNUM): Bump up by one.
10384 (FIXED_REGISTERS): Add entry for MAC register.
10385 (CALL_USED_REGISTERS, REG_ALLOC_ORDER): Likewise.
10386 (HARD_REGNO_NREGS): Handle MAC register.
10387 (HARD_REGNO_MODE_OK, REGNO_OK_FOR_BASE_P, REGISTER_NAMES): Likewise.
10388 (enum reg_class): New MAC_REGS register class.
10389 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Corresponding changes.
10390 (REG_CLASS_FROM_LETTER): Likewise.
10391 (REGISTER_MOVE_COST): Make copies to/from MAC register expenseive.
10392 (CONDITIONAL_REGISTER_USAGE): Define.
10393 * h8300.md (movsi_h8300hs): Renamed from movsi_h8300h.
10394 Handle moves to/from the MAC register.
10395 (mac): Two new patterns to use the mac instruction.
10397 * h8300.c (notice_update_cc): Fix CC_SET case.
10398 (restore_compare_p): Remove unused function.
10399 * h8300.md: Handle "set" vs "set_zn_c0" correctly.
10400 (bCC patterns): No longer need to call restore_compare_p.
10402 * h8300.c (get_shift_alg): Fix HImode ASHIFTRT by 13 or 14 bits.
10404 Wed Sep 25 18:52:19 1996 Joern Rennecke <amylaar@cygnus.co.uk>
10406 * sh.md (insv): New pattern.
10408 Wed Sep 25 16:47:26 1996 Doug Evans <dje@seba.cygnus.com>
10410 * sparc/t-sunos41 (MULTILIB_{OPTIONS,DIRNAMES,MATCHES}): Create
10411 multilib versions of -fpic and -fPIC.
10412 (TARGET_LIBGCC2_CFLAGS): Comment out.
10414 * sparc.c (print_operand): Handle new codes H/L.
10415 * sparc.md (lo_sum_di_sp32): Add little endian support.
10416 (adddi3_sp32,subdi3_sp32,mulsidi3_sp32,const_mulsidi3): Likewise.
10417 (umulsidi3_sp32,const_umulsidi3,smacdi,umacdi,anddi3_sp32): Likewise.
10418 (iordi3_sp32,xordi3_sp32,negdi2_sp32): Likewise.
10420 Wed Sep 25 15:32:35 1996 Jim Wilson <wilson@cygnus.com>
10422 * expmed.c (store_bit_field): Don't make flag_force_mem disable insv
10423 for memory operands.
10425 * function.c (instantiate_decl): Always store addr back into x.
10427 Tue Sep 24 19:37:00 1996 Jim Wilson <wilson@cygnus.com>
10429 * reload.c (push_secondary_reload): Do strip paradoxical SUBREG
10430 even if reload_class is CLASS_CANNOT_CHANGE_SIZE. Change reload_mode
10431 to mode in SECONDARY_MEMORY_NEEDED and get_secondary_mem calls.
10433 * reload1.c (emit_reload_insns): For output part of RELOAD_OTHER,
10434 emit after RELOAD_FOR_OUTPUT, in reverse order of reload number,
10435 but not separately.
10437 Tue Sep 24 18:13:07 1996 Michael Meissner <meissner@tiktok.cygnus.com>
10439 * expr.c (emit_group_load): Allow target to be smaller than source.
10441 Tue Sep 24 17:40:39 1996 Doug Evans <dje@cygnus.com>
10443 * m68k/a-ux.h: Renamed from aux.h because of MSDOS.
10445 Tue Sep 24 08:33:53 1996 David S. Miller (davem@caip.rutgers.edu)
10447 * tree.c (copy_node): Fix error in last change.
10449 Tue Sep 24 08:29:03 1996 James G. Smith <jsmith@cygnus.co.uk>
10451 * gcc.c (used_arg): Fix multilib_matches parsing to not corrupt
10454 Tue Sep 24 08:22:18 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
10456 * loop.c (get_condition): Use rtx_equal_p to compare rtx.
10458 Tue Sep 24 08:14:01 1996 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
10460 * integrate.c (expand_inline_function): Avoid creating paradoxical
10461 subreg wider than BITS_PER_WORD as inlined function result.
10463 Tue Sep 24 08:00:15 1996 Paul Eggert <eggert@twinsun.com>
10465 * cccp.c (struct directive, directive_table, handle_directive):
10466 pass_thru now 1 for #define and 2 for #pragma.
10467 (handle_directive): When deciding whether to suppress comment at end
10468 of directive, ignore tabs and spaces after comment. Remove redundant
10469 limit test. With -dD -C, copy comment when isolating definition.
10470 (skip_to_end_of_comment): With -C, don't copy newline at end
10473 * fixinc.ptx, fixinc.svr4, fixincludes: Insert newlines just before
10474 end of 'sed' command strings if last 'sed' command is 'a' or 'i'.
10476 Tue Sep 24 07:28:58 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
10478 * toplev.c (PREFERRED_DEBUGGING_TYPE): If no debugging formats are
10479 supported, set to NO_DEBUG.
10480 (main): Don't do setting of PREFERRED_DEBUGGING_TYPE here.
10482 Mon Sep 23 22:45:15 1996 Sean McNeil <sean@mcneil.com>
10484 * rs6000/vxppc.h, sparc/vxsim.h: New files.
10485 * configure (powerpc-*-vxworks*, sparc-*-vxsim*): New targets.
10486 * objc/objc.h (BOOL): Define BOOL as int for VxWorks.
10488 Mon Sep 23 21:23:27 1996 Klaus K"ampf (kkaempf@progis.de)
10490 * explow.c (promote_mode, case REFERENCE_TYPE): New case.
10492 Mon Sep 23 21:15:43 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
10494 * c-decl.c (finish_struct): Check PCC_BITFIELD_TYPE_MATTERS value.
10496 * dbxout.c (dbxout_symbol): Fix forgotten case in last change:
10497 check DECL_ARTIFICIAL also when using the short cut way.
10499 Mon Sep 23 15:55:24 1996 David S. Miller (davem@caip.rutgers.edu)
10501 * tree.c (copy_node): Abort if don't know size of node.
10503 * tree.c (build1): Clean up initialization of OBSTACK.
10505 Mon Sep 23 15:35:33 1996 Jason Merrill <jason@yorick.cygnus.com>
10507 * Makefile.in (stmp-multilib): Depend on $(LANG_LIB2FUNCS).
10509 * dbxout.c (dbxout_function): Don't check DECL_SECTION_NAME before
10510 calling dbxout_function_end.
10512 Mon Sep 23 14:41:12 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
10514 * combine.c (can_combine_p): Even if SMALL_REGISTER_CLASSES,
10515 know lifetime not extended if all_adjacent set.
10517 * stmt.c (expand_asm_operands): Handle '+' constraint.
10518 * cse.c (fold_rtx): Fold inside ASM_OPERANDS.
10520 * expr.c (expand_increment): If postincrement for MEM can't use add
10521 directly, load address in reg and enqueue increment and store of reg.
10523 * loop.c (check_dbra_loop): Don't assume label must be second part of
10524 if_then_else in condjump.
10526 * jump.c (jump_optimize): In no-nop move deletion, don't test
10527 PRESERVE_DEATH_INFO_REGNO_P; instead test if optimization is performed.
10528 Check for REG_UNUSED note on to-be deleted insn before searching for
10529 preceding instruction to delete note from.
10530 If PRESERVE_DEATH_INFO_REGNO_P is true for SREG, replace INSN with USE.
10532 * reload1.c (reload): Initialize the previous_offset fields
10533 in reg_eliminate before calling setup_save_areas.
10535 * reload1.c (emit_reload_insns): Declare and set this_reload_insn.
10537 * expr.c (var_rtx): New function.
10538 (expand_expr, case COND_EXPR): Also use target if same as singleton.
10540 Mon Sep 23 14:22:34 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
10542 * recog.c (constrain_operands): Don't test clobbered constraints.
10544 * reload1.c (emit_reload_insns): For output part of RELOAD_OTHER,
10545 put in front of anything previous for that output, but not separately.
10547 Sun Sep 22 21:06:46 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
10549 * c-common.c (decl_attribtes, case A_SECTION): Allow for static
10552 Sun Sep 22 11:30:27 1996 Christian Iseli (christian.iseli@di.epfl.ch)
10554 * expr.c (convert_move): Replace explicit checks for FP extend ops
10555 with use of can_extend_p.
10556 Add missing tests for FP trunc operations.
10558 Sun Sep 22 11:20:02 1996 Pat Rankin <rankin@eql.caltech.edu>
10560 * dwarfout.c (DWARF_VERSION): Define as 1 if not already defined.
10561 * dwarf2out.c (DWARF_VERSION): Likewise.
10563 Sun Sep 22 11:12:20 1996 Joern Rennecke <amylaar@cygnus.co.uk>
10565 * c-decl.c (pushdecl): Check new declaration actually conflicts before
10566 warning about implicit external vs. static declarations.
10568 * loop.c (combine_givs): Improve combining DEST_REG giv with only use.
10570 Sun Sep 22 10:50:03 1996 Scott Christley <scottc@net-community.com>
10572 * Create consistent mechanism for memory allocation and release
10573 so that garbage collection routines can be easily subsititued
10574 for the ANSI standard malloc, realloc, free, etc.
10575 * objc/archive.c: Replace use of __objc_xmalloc and free
10576 with objc_malloc and objc_free.
10577 * objc/hash.c: Replace use of __objc_xcalloc and free
10578 with objc_calloc and objc_free.
10579 * objc/init.c: Replace use of free with objc_free.
10580 * objc/misc.c (objc_malloc): Renamed from __objc_xmalloc.
10581 (objc_realloc): Renamed from __objc_realloc.
10582 (objc_atomic_malloc, objc_valloc): New functions.
10583 (objc_calloc): Renamed from __objc_calloc.
10584 (objc_free): New function.
10585 * objc/objc-api.h (_objc_malloc): New function pointer.
10586 (_objc_atomic_malloc, _objc_valloc): Likewise.
10587 (_objc_realloc, _objc_calloc, _objc_free): Likewise
10588 * objc/objc-list.h: Replace use of __obj_xmalloc and free
10589 with objc_malloc and objc_free.
10590 * objc/objects.c: Likewise.
10591 * objc/sarray.c: Replace use of __objc_xmalloc and free
10592 with objc_malloc and objc_free.
10593 * objc/sarray.h (__objc_xmalloc, __objc_xrealloc): Delete.
10594 * objc/selector.c: Replace use of __objc_xcalloc, __objc_xrealloc,
10595 and __objc_xmalloc with objc_calloc, objc_realloc, and objc_malloc.
10596 * objc/thr-decosf1.c: Replace use of __objc_xmalloc and free
10597 with objc_malloc and objc_free.
10598 * objc/thr-irix.c, objc/thr-mach.c, objc/thr-os2.c: Likewise.
10599 * objc/thr-posix.c, objc/thr-pthreads, objc/thr-single: Likewise.
10600 * objc/thr-solaris.c, objc/thr-win32.c, objc/thr.c: Likewise.
10602 Sun Sep 22 05:26:01 1996 Jason Merrill <jason@yorick.cygnus.com>
10604 * configure: Set up LANG_LIB2FUNCS and LANG_EXTRA_HEADERS.
10605 * Makefile.in (libgcc2.a): Include LANG_LIB2FUNCS.
10606 (USER_H): Add LANG_EXTRA_HEADERS.
10607 (LANG_LIB2FUNCS): New macro.
10608 (LANG_EXTRA_HEADERS): New macro.
10609 (stmp-int-hdrs): Don't hardwire ginclude.
10610 (stamp-objlist): Don't depend on Makefile.
10612 Sat Sep 21 18:00:10 1996 Stephen L Moshier (moshier@world.std.com)
10614 * alpha.md (alpha_swapped_comparison_operator pattern): Fix asm
10615 operand typo in last change.
10617 Sat Sep 21 07:11:51 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
10619 * defaults.h (ASM_OUTPUT_LABELREF): Provide default definition
10620 if not already defined.
10621 * 1750a.h (USER_LABEL_PREFIX): Define instead of ASM_OUTPUT_LABELREF.
10622 * a29k.h, alpha.h, convex.h, dsp16xx.h, elxsi.h, fx80.h: Likewise.
10623 * gmicro.h, h8300.h, i386/sun386.h, i860.h, i960.h, ns32k.h: Likewise.
10624 * pdp11.h, pyr.h, romp.h, sh.h, sparc.h, spur.h, tahoe.h: Likewise.
10625 * vax.h, we32k.h: Likewise.
10626 * i386/att.h (USER_LABEL_PREFIX): Redefine, not ASM_OUTPUT_LABELREF.
10627 * i386/bsd.h, i386/lynx.h, i386/sco5.h, i860/fx2800.h: Likewise.
10628 * m68k/3b1.h, m68k/mot3300.h, m68k/tower-as.h, m68k/tower.h: Likewise.
10629 * ptx4.h, sparc/pbd.h, svr3.h, svr4.h: Likewise.
10630 * i386/osfrose.h, m88k.h (USER_LABEL_PREFIX): Redefine.
10631 * nextstep.h (USER_LABEL_PREFIX): Redefine.
10632 (ASM_OUTPUT_LABELREF) Use USER_LABEL_PREFIX.
10633 * arm/aout.h, mips.h (ASM_OUTPUT_LABELREF): Delete.
10634 * rs6000/lynx.h (USER_LABEL_PREFIX): Undefine.
10635 * rs6000.h, rs6000/win-nt.h (USER_LABEL_PREFIX): Define.
10637 Thu Sep 19 00:05:53 1996 Jason Merrill <jason@yorick.cygnus.com>
10639 * configure: Move i[3456]86-*-gnu* case after linux and don't
10640 treat linux-gnu like other gnu systems.
10642 Wed Sep 18 20:51:09 1996 Jason Merrill <jason@yorick.cygnus.com>
10644 * cplus-dem.c (demangle_template): Fix handling of address args.
10645 (gnu_special): Handle type_info stuff.
10647 Wed Sep 18 17:57:55 1996 Patrik Lantto (patrik@opq.se)
10649 * jump.c (jump_optimize): Insert conditional move after jump
10650 insn instead of before.
10652 Wed Sep 18 17:33:36 1996 Richard Henderson <rth@tamu.edu>
10654 * alpha.h (PREDICATE_CODES): Add alpha_swapped_comparison_operator.
10655 * alpha.c (alpha_swapped_comparison_operator): New function.
10656 (print_operand): Support unsigned codes for %D, %c, and %d.
10657 * alpha.md: Add pattern for b%c with swapped comparisons with 0.
10658 Delete three unnamed cmp patterns that are strict subsets of it.
10660 * alpha.c (alpha_emit_set_long_const): Save one instruction
10661 when -O2 and high word == low word.
10663 Tue Sep 17 22:46:15 1996 Jason Merrill <jason@yorick.cygnus.com>
10665 * i386/unix.h (ASM_OUTPUT_MI_THUNK): Handle functions
10666 returning an aggregate.
10668 * varasm.c (supports_one_only): New function.
10669 (make_decl_one_only): Likewise.
10670 * svr4.h (MAKE_DECL_ONE_ONLY): Define.
10671 * tree.h (DECL_ONE_ONLY): New macro.
10673 * varasm.c (assemble_variable): Fix setting of
10674 first_global_object_name.
10675 (assemble_start_function): Likewise.
10677 Tue Sep 17 19:42:39 1996 Doug Evans <dje@wabamun.cygnus.com>
10679 * i386/t-cygwin32 (winnt.o): Compile properly.
10681 Tue Sep 17 15:47:20 1996 Ian Lance Taylor <ian@cygnus.com>
10683 * Add support for R5000, and finish MIPS4 support.
10684 * mips.h (enum processor_type): Add PROCESSOR_R5000.
10685 (gen_conditional_move): Declare.
10686 (CONDITIONAL_REGISTER_USAGE): Mark ST_REGS as fixed if not
10687 HARD_FLOAT, or if mips_isa < 4.
10688 (FIRST_PSEUDO_REGISTER): Change to 76.
10689 (FIXED_REGISTERS): Add condition code registers.
10690 (CALL_USED_REGISTERS): Likewise.
10691 (ST_REG_LAST): Change to 74.
10692 (RAP_REG_NUM): Change to 75.
10693 (ST_REG_P): Look for any condition code register.
10694 (REG_CLASS_CONTENTS): Update for new condition code registers.
10695 (RTX_COSTS): Add cases for R5000.
10696 (REGISTER_MOVE_COST): Add cases for condition code registers.
10697 (PREDICATE_CODES): Add "const_float_1_operand".
10698 (EXTRA_CC_{MODES,NAME}, SELECT_CC_MODE): Remove.
10699 (REGISTER_NAMES): Add entries for new condition code registers.
10700 (DEBUG_REGISTER_NAMES): Likewise.
10701 (ADDITIONAL_REGISTER_NAMES): Remove FPSW_REGNUM.
10702 * mips.md (cpu attribute): Add R5000.
10703 (function units): Add cases for the R5000.
10704 ({madd,msub,nmadd,nmsub}.d): Only available if TARGET_DOUBLE_FLOAT.
10705 (recip.d, recip.s, rsqrt.d, rsqrt.s): New define_insn patterns.
10706 (movcc): New pattern to move condition code values.
10707 (reload_incc, reload_out_cc): New define_expand patterns.
10708 (lwxc1, ldxc1, swxc1, sdxc1): Several new define_insn patterns.
10709 (various): Replace CC_FP with CC.
10710 (branch_fp_ne, branch_fp_eq): Match any condition code register.
10711 (branch_fp_ne_rev, branch_fp_eq_rev): Remove.
10712 (seq_df, slt_df, sle_df): Match any condition code register.
10713 (sgt_df, sge_df, seq_sf, slt_sf, sle_sf, sgt_sf, sge_sf): Likewise.
10714 (sne_df, sne_sf): Remove.
10715 (FP conditional moves): Match any condition code register.
10716 Require TARGET_HARD_FLOAT and, if appropriate, TARGET_DOUBLE_FLOAT.
10717 (movsicc): Just call gen_conditional_move.
10718 (movdicc, movsfcc, movdfcc): New define_expand patterns.
10719 * mips.c (mips_reg_names): Add condition code registers.
10720 (mips_sw_reg_names, mips_regno_to_class): Likewise.
10721 (const_float_1_operand): New function.
10722 (mips_move_1word): Treat CCmode as SImode. Handle move from
10723 ST_REG to GR_REG if mips_isa >= 4. Only permit move from GR_REG
10724 to ST_REG is mips_isa < 4.
10725 (gen_conditional_branch): Rewrite. Just use CCmode, not extra
10727 (gen_conditional_move): New function.
10728 (override_options): Recognize vr5000. Look for just CCmode, not
10729 extra condition modes. If mips_isa >= 4, permit CCmode in GR_REGS
10731 (print_operand): Handle %Z.
10732 (mips_secondary_reload_class): Require a data register to copy a
10733 value out of a condition code register. Require a floating point
10734 register to copy a value into a condition code register.
10736 Tue Sep 17 15:10:29 1996 Joern Rennecke <amylaar@cygnus.co.uk>
10738 * sh.md: New define_splits to recombine output from LEGITIMIZE_ADDRESS.
10739 * sh.h (LEGITIMIZE_ADDRESS): Typo fixes (x -> X).
10741 Mon Sep 16 23:00:35 1996 Jim Wilson <wilson@cygnus.com>
10743 * configure (build_broken_install): Renamed from host_broken_install.
10744 Set from build not host.
10745 (build_install_headers): Renamed from host_install_headers. Set from
10748 Mon Sep 16 22:38:55 1996 Stu Grossman (grossman@critters.cygnus.com)
10750 * configure (m68k-*-coff*): Use dbx debug format by default.
10751 * gcc.c (link_command_spec): Move -T to end of link command line.
10752 * m68k/m68kemb.h (LINK_SPEC, SUBTARTGET_SWITCHES): Delete.
10753 (LIB_SPEC): Define to just -lc.
10754 (STARTFILE_SPEC): Define to empty.
10756 Mon Sep 16 13:12:27 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
10758 * sh.c (ext_shift_insns, ext_shift_amounts): New arrays.
10759 (gen_ashift_hi, gen_shifty_hi_op, shl_and_kind): New functions.
10760 (rtx_equal_function_value_matters): Declare.
10761 (shl_and_length, shl_and_src_length, gen_shl_and): New functions.
10762 (shl_sext_kind, shl_sext_length, gen_shl_sext): Likewise.
10763 * sh.md (ashlhi3_k, lshrhi3_m): New patterns.
10764 (lshrhi3, shl_sext_ext, shl_sext_sub):
10765 New insn patterns with matching define_split.
10766 (and_shl_scratch): Likewise, but also with unnamed variants.
10768 Sat Sep 14 17:05:07 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
10770 * gcc.c (convert_filename): Don't start looking for '.' until
10771 after last directory separator.
10773 * i386.md (clrstrsi): Correct check for constant size.
10775 * Based on code by sac@cygnus.com.
10776 * i386/cygwin32.h (CHECK_STACK_LIMIT): Make consistent with MD file.
10777 * i386.c ({function,ix86_expand}_prologue): Use __alloca to allocate
10778 stack if desired and beyond CHECK_STACK_LIMIT in size.
10779 * i386.h ({MASK,TARGET}_STACK_PROBE): New macros.
10780 (TARGET_SWITCHES): Add -mstack-arg-probe.
10781 * i386.md (allocate_stack{,_worker}): New patterns.
10783 Fri Sep 13 18:23:18 1996 Joel Sherrill <joel@OARcorp.com>
10785 * sparc/lb1spc.asm (.div, .rem): Fixed typo so sign is returned
10786 correctly. TOPBITS was 2 and should have been 4.
10788 Thu Sep 12 21:51:56 1996 Jim Wilson <wilson@cygnus.com>
10790 * mips.md (call_value_multiple_internal0): Change from define_insn to
10793 Thu Sep 12 19:22:14 1996 Doug Evans <dje@seba.cygnus.com>
10795 * sparc.md (move_pic_label_si): Operand one is label_ref now.
10796 * sparc.c (emit_move_sequence): Pass label_ref to
10797 gen_move_pic_label_si to not lose flags.
10799 Wed Sep 11 12:10:08 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
10801 * Makefile.in (GCC_PASSES): Add $(exeext) to names.
10802 (FLAGS_TO_PASS): Add CLIB.
10803 (c-pragma.o): Add dependencies on except.h, function.h, defaults.h.
10805 Tue Sep 10 22:25:03 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
10807 * configure (i[3456]86-*-cygwin32): Use xm-cygwin32.h and xm-i386.h.
10808 Set fixincludes to Makefile.in and objc_thread_file to win32.
10809 * i386/xm-cywin32.h: Don't include xm-i386.h.
10810 * i386/x-cygwin32, rs6000/x-cygwin32 (STMP_FIXPROTO, exeext): New defs.
10812 * gcc.c (HAVE_EXECUTABLE_SUFFIX): New macro.
10813 (convert_filename): New function.
10814 (process_command, case 'o'): Call it.
10815 (process_command, default case): Likewise; delete old code.
10817 Tue Sep 10 21:08:43 1996 Torbjorn Granlund <tege@albert.gnu.ai.mit.edu>
10819 * i386.md (decrement_and_branch_until_zero matcher): Fix typo.
10821 Tue Sep 10 19:04:19 1996 Jim Wilson <wilson@cygnus.com>
10823 * mips.c (mips_move_2words): Rewrite 32 bit shifts as 16 bit shifts.
10825 Tue Sep 10 10:39:07 1996 Jeffrey A Law (law@cygnus.com)
10827 * pa/pa-gas.h (DBX_DEBUGGING_INFO): Remove all #define
10828 and #undef statements related to debugging information.
10829 * pa/pa-hpux.h, pa-hpux7.h: Likewise
10830 * pa.c (override_options): Disable "-g" and issue a warning
10831 if it's used when !TARGET_GAS.
10833 Mon Sep 9 17:57:49 1996 Doug Evans <dje@wabamun.cygnus.com>
10835 * sparc.h ({MASK,TARGET}_FPU_SET): Define.
10836 (TARGET_SWITCHES): Record if -m{,no-}fpu passed.
10837 * sparc.c (sparc_override_options): Don't clobber explicit
10838 -m{,no-}fpu setting with cpu default.
10840 Mon Sep 9 15:57:57 1996 Joel Sherrill <joel@OARcorp.com>
10842 * configure (mips64orion-*-rtems*): New target.
10843 * mips/rtems64.h: New file.
10845 Sat Sep 7 22:07:53 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
10847 * expr.c (store_field): If storing a record on big endian targets,
10848 set up so we store the high-order bits.
10849 (expand_expr, case COMPONENT_REF): Likewise for loads.
10851 Thu Sep 5 14:59:47 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
10853 * sh.h (LEGITIMIZE_ADDRESS): Define nonempty.
10855 Thu Sep 5 10:43:36 1996 Jeffrey A Law (law@cygnus.com)
10857 * pa.md (mov{si,di,sf}): Handle 'R' constraints as needed.
10859 Wed Sep 4 17:13:28 1996 Bob Manson <manson@charmed.cygnus.com>
10861 * except.c: (add_partial_entry): New routine.
10862 (expand_start_try_stmts): Moved from cp/except.c.
10863 (expand_start_all_catch): Move functionality of expand_end_try_stmts
10866 Wed Sep 4 12:30:02 1996 Mike Stump <mrs@cygnus.com>
10868 * except.c (emit_unwinder): Ensure CLOBBER and USE insns come last,
10871 Tue Sep 3 12:01:43 1996 Ian Lance Taylor <ian@cygnus.com>
10873 * configure (sh-*-elf*): New target.
10874 * sh/elf.h: New file.
10876 Fri Aug 30 17:52:26 1996 Jim Wilson <wilson@cygnus.com>
10878 * dwarf2out.c (gen_formal_types_die): Delete extra argument from
10881 Fri Aug 30 15:40:40 1996 James G. Smith <jsmith@cygnus.co.uk>
10883 * mips/elf64.h: Allow MULTILIB_DEFAULTS to be defined
10884 before this file is included.
10886 Fri Aug 30 15:00:06 1996 Stan Cox <coxs@dg-rtp.dg.com>
10888 * i386.md: (movsicc,movhicc): Allow reload from memory.
10890 * i386.c (override_options): Don't thread the prologue if profiling.
10892 Fri Aug 30 15:00:06 1996 James Hawtin <cgjwh@sunrise.co.uk>
10894 * i386/t-sol2 (gcrt1.o): Added for profiling Solaris 2
10895 * i386/sol2.h (STARTFILE_SPEC): New.
10896 * i386/gmon-sol2.c, i386/sol2-gc1.asm: New files.
10898 Thu Aug 29 22:08:03 1996 Jim Wilson <wilson@cygnus.com>
10900 * except.c (add_eh_table_entry): Multiply realloc size by sizeof int.
10902 Thu Aug 29 15:15:31 1996 Jeffrey A Law (law@cygnus.com)
10904 * pa.md (fcmp patterns): Don't try to eliminate useless add,tr
10906 * pa.c (pa_reorg): Do elimination of useless add,tr insns here instead.
10907 (print_operand, case 'y'): Remove this code.
10909 Wed Aug 28 16:19:34 1996 Doug Evans <dje@cygnus.com>
10911 * toplev.c (print_single_switch): Ultrix fprintf returns 0 for success.
10913 * toplev.c (main): Rewrite -g parsing.
10915 Mon Aug 26 16:15:49 1996 Fred Fish <fnf@cygnus.com>
10917 * Makefile.in (objc-parse.y): Fix typo in name of temp file.
10919 Mon Aug 26 14:08:37 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
10921 * function.c (mark_all_temps_used): Fix error in last change.
10923 Sun Aug 25 22:27:19 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
10925 * function.c (mark_all_temps_used): New function.
10927 Fri Aug 23 11:34:57 1996 Michael Meissner <meissner@tiktok.cygnus.com>
10929 * rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Fixes to make -fPIC
10930 really the same as -mrelocatable.
10931 (ASM_SPEC): Pass -K PIC to the assembler if -fpic/-fPIC.
10933 * rs6000/sol2.h (ASM_CPU_SPEC): Remove passing -K PIC to the
10934 assembler if -fpic/-fPIC.
10936 * bi-{arity,opcode,opname}.c (fancy_abort): Define, so that
10937 -Dabort=fancy_abort works again.
10939 Thu Aug 22 11:39:34 1996 Michael Meissner <meissner@tiktok.cygnus.com>
10941 * rs6000/t-ppcgas ({stmp,install}-crt): Only build and install the
10942 eabi ecrt[in].o object files in eabi multilib directories, only
10943 build and install the solaris scrt[in0].o object files in solaris
10945 (MULTILIB_MATCHES): Remove matches for solaris, linux to other
10948 Tue Aug 20 18:49:55 1996 Michael Meissner <meissner@tiktok.cygnus.com>
10950 * rs6000/sysv4.h (ASM_OUTPUT_SECTION_NAME): If -mrelocatable or
10951 -mrelocatable-lib, don't make read-only sections.
10953 Mon Aug 19 18:42:13 1996 Doug Evans <dje@cygnus.com>
10955 * sparc.h ({MASK,TARGET}_LITTLE_ENDIAN): Define.
10956 (LIBGCC2_WORDS_BIG_ENDIAN): Add little endian support.
10957 * sparc/sp64-elf.h ({CPP,ASM,LINK}_SPEC): Add little endian support.
10958 (SUBTARGET_SWITCHES): Recognize -m{big,little}-endian.
10959 ({BYTES,WORDS}_BIG_ENDIAN): Likewise.
10960 * sparc/splet.h (SUBTARGET_SWITCHES): Recognize -m{big,little}-endian.
10961 ({CPP,ASM,LINK}_SPEC): Add little endian support.
10962 ({BYTES,WORDS}_BIG_ENDIAN): Likewise.
10963 * sparc/t-splet (MULTILIB_{OPTIONS,DIRNAMES}): Likewise.
10965 * sparc/lynx-ng.h (CPP_SPEC): Use %(cpp_cpu).
10967 Sat Aug 17 15:23:39 1996 Geoffrey Noer <noer@cygnus.com>
10969 * i386/cygwin32.h (CPP_PREDEFINES): Define _WIN32, not WIN32.
10970 Define only __CYGWIN32__, not CYGWIN32 or __CYGWIN32.
10971 * rs6000/cygwin32.h (CPP_PREDEFINES): Likewise.
10972 * cccp.c (absolute_filename): Drive specifiers make the pathname
10973 absolute in cygwin32.
10974 * choose-temp.c: Delete !defined(_WIN32) condition when including
10975 sys/file.h (NO_SYS_FILE_H is still used).
10976 * gcc.c: Change ifndef _WIN32 to ifndef NO_SYS_FILE_H when deciding
10977 whether to include sys/file.h.
10978 (execute): -pipe is supported for cygwin32.
10979 * getopt.c: Change win32 test from WIN32 to _WIN32.
10980 * pexecute.c: Update test for win32 (&& ! cygwin32).
10981 * protoize.c: Likewise.
10982 (kill): Delete decl.
10983 * toplev.c: Update test for win32 (&& ! cygwin32).
10984 * ginclude/stdarg.h: Change __WIN32__ to _WIN32.
10985 * ginclude/varargs.h: Likewise.
10986 * ginclude/va-ppc.h: Likewise.
10988 Fri Aug 16 16:02:09 1996 Michael Meissner <meissner@tiktok.cygnus.com>
10990 * rs6000.c (rs6000_got_register): Make sure pic_offset_table_rtx
10991 allocated, even if current_function_uses_pic_offset_table set.
10993 Fri Aug 16 15:56:04 1996 J. Kean Johnston <hug@netcom.com>
10995 * i386/sco5.h (CLASS_LIKELY_SPILLED_P): Deleted.
10996 (STARTFILE_SPEC): Insert crtbegin.o in correct place, and correct
10997 versions of values-X?.o.
10998 (SWITCH_TAKES_ARG): Extend DEFAULT_SWITCH_TAKES_ARG, not replace.
10999 (CPP_SPEC): Add -Di386, and correctly include extra directories.
11000 Define HAVE_ATEXIT in ELF mode for global destructors.
11002 Thu Aug 15 16:42:44 1996 Doug Evans <dje@cygnus.com>
11004 * sparc.c (label_ref_operand): New function.
11005 (emit_move_sequence): Pass label_ref to gen_move_label_di to not
11007 * sparc.md (move_label_di): Operand one is label_ref now.
11008 * genattrtab.c (write_test_expr): Allow label_ref in match_dup.
11010 * sys-protos.h (gethostid): Make return type `int' ifdef __alpha__.
11011 * gen-protos.c: Delete support for SYS_PROTO_OVERRIDES.
11012 * alpha.h (SYS_PROTO_OVERRIDES): Delete.
11014 Thu Aug 15 17:36:09 1996 Mike Stump <mrs@cygnus.com>
11016 * libgcc2.c (__throw): New routine.
11017 (__eh_pc): New data object for exception handling.
11019 * except.c (eh_saved_pc): New object so we can call
11021 (expand_internal_throw_indirect): Call assemble_external for __eh_pc.
11022 (end_eh_unwinder): Likewise.
11023 (init_eh): Initialize eh_saved_pc.
11025 Thu Aug 15 13:02:42 1996 Mike Stump <mrs@cygnus.com>
11027 * arm.h (RETURN_ADDR_RTX): Define.
11029 * expr.c (expand_builtin_return_addr): Fix order of parameters.
11031 Wed Aug 14 19:48:00 1996 Torbjorn Granlund <tege@spiff.gnu.ai.mit.edu>
11033 * stmt.c (expand_return): In code for doing scc with jumps,
11034 stick to default handling if we have corresponding scc pattern.
11036 Wed Aug 14 10:31:28 1996 Jeffrey A Law (law@cygnus.com)
11038 * pa.c (override_options): Treat TARGET_FAST_INDIRECT_CALLS
11039 just like TARGET_NO_SPACE_REGS.
11040 (output_millicode_call): Likewise.
11041 * pa.h (TARGET_FAST_INDIRECT_CALLS): Define.
11042 (TARGET_SWITCHES): Add "fast-indirect-calls".
11043 * pa.md (TARGET_FAST_INDIRECT_CALLS): Treat just like
11044 TARGET_NO_SPACE_REGS in various call/millicode call patterns.
11046 * pa.c (print_operand): Use the right comparison operator
11047 for reversed EQ and NE comparisons.
11049 * pa.h (OUTPUT_MI_THUNK): Define.
11051 Wed Aug 14 11:40:49 1996 Michael Meissner <meissner@tiktok.cygnus.com>
11053 * ginclude/va-ppc.h: Add Windows NT support.
11054 * ginclude/{varargs,stdarg}.h: For PowerPC Windows NT, include
11055 va-ppc.h, instead of using the default handling.
11057 Tue Aug 13 18:30:10 1996 Ian Lance Taylor <ian@cygnus.com>
11059 * fixincludes: Remove duplicate volatile from sig_atomic_t in AIX
11062 Tue Aug 13 16:51:37 1996 Jim Wilson <wilson@cygnus.com>
11064 * i960-coff.h (LIB_SPEC): Undef.
11066 * sh.h (PROFILE_BEFORE_PROLOGUE): Define.
11068 Tue Aug 13 11:36:02 1996 Michael Meissner <meissner@tiktok.cygnus.com>
11070 * gcc.c (set_spec,process_command): Dump and load the compiler
11071 version number in the specs file.
11073 * rs6000.c (output_toc): Fix last change, so that it doesn't use
11074 an uninitialized variable if -mminimal-toc.
11075 (output_prolog): Increment probe_labelno after last use.
11077 * rs6000/t-ppcgas (MULTILIB_*): Build far fewer multilib
11078 libraries. Build all libraries with -mrelocatable-lib and
11079 -mno-eabi. Build special GNU/Linux and Solaris libraries.
11080 * rs6000/eabi{,aix,le}.h (MULTILIB_DEFAULTS): Adapt to changes in
11082 * rs6000/(linux,sol2,sysv4,sysv4le).h (MULTILIB_DEFAULTS): Likewise.
11084 Tue Aug 13 11:36:02 1996 Jeffrey A Law (law@cygnus.com)
11086 * rs6000.c (handle_mac_pragma): Initialize "psize".
11088 Mon Aug 12 18:14:35 1996 Jim Wilson <wilson@cygnus.com>
11090 * gcc.c (used_arg): Initialize cnt to zero.
11092 Mon Aug 12 14:03:16 1996 Jim Wilson <wilson@cygnus.com>
11095 * sh.c (regno_reg_class): Change entry 23 from NO_REGS to GENERAL_REGS.
11096 (initial_elimination_offset): New variable live_regs_mask. Add
11097 code to handle RETURN_ADDRESS_POINTER_REGNUM.
11098 * sh.h (RAP_REG, RETURN_ADDRESS_POINTER_REGNUM): Define.
11099 (ELIMINABLE_REGS): Add RETURN_ADDRESS_POINTER_REGNUM support.
11100 (RETURN_ADDR_RTX): Define.
11101 (REGISTER_NAMES): Add rap.
11103 * iris5.h (DOLLARS_IN_IDENTIFIERS): Undefine.
11105 * m68kemb.h (LIB_SPEC): Always emit -lc.
11107 Mon Aug 12 12:30:25 1996 Michael Meissner <meissner@tiktok.cygnus.com>
11109 * rs6000.c (rs6000_got_register): Test variable
11110 current_function_uses_pic_offset_table to see whether or not a GOT
11111 register has been created already.
11113 * Makefile.in (multilib.h): Move to stamp-mlib.
11114 (stamp-mlib): Use move-if-change to conditionally update
11115 multilib.h. Pass MULTILIB_EXTRA_OPTS to genmultilib.
11116 (STAGESTUFF): Add stamp-mlib.
11117 (mostlyclean): Delete tmp-mlib.h.
11119 * genmultilib: Take fifth argument for options to all multilib builds.
11120 Restructure output so we pass synonym switches and extra arguments
11121 separately, and not exponentially slow down genmultilib.
11123 * gcc.c (toplevel): Rearrange multilib support so we support passing
11124 synonyms separately from normal switches. Add support for passing
11125 additional switches for all multilib builds. Dump and restore value
11126 of MULTILIB_DEFAULTS.
11127 (setspec, process_command, main): Likewise.
11128 (used_arg,default_arg,print_multilib_info): Likewise.
11130 Mon Aug 12 07:46:47 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
11132 * expr.c (expand_builtin, case BUILT_IN_SETJMP): Add test
11133 and call for nonlocal_goto_receiver pattern.
11134 * stmt.c (expand_end_bindings): Likewise.
11136 * stmt.c (expand_asm_operands): Fix off-by-one error when
11137 scanning constraints.
11139 Sun Aug 11 22:48:02 1996 Jason Merrill <jason@yorick.cygnus.com>
11141 * expr.c (store_expr): Handle COND_EXPR cleanups like expand_expr.
11143 Sun Aug 11 22:42:36 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
11145 * optabs.c (expand_abs): When OP0 and TARGET are the same
11146 pseudo register, it is safe to use TARGET.
11148 * local-alloc.c (reg_equiv_replace): New variable.
11149 (update_equiv_regs): Set reg_equiv_replacement for all REG_EQUIV
11150 notes encountered or generated.
11152 Sun Aug 11 22:27:14 1996 Scott Christley <scottc@net-community.com>
11154 * objc/hash.c (hash_is_key_in_hash): Function somehow got lost.
11156 Sun Aug 11 21:43:15 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
11158 * ginclude/stddef.h (__need_wint_t): Move #undef to right place.
11160 Sun Aug 11 17:46:22 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
11162 * c-decl.c (finish_struct): If pedantic, also warn if struct/union
11163 has no named members.
11165 Sun Aug 11 17:32:52 1996 Joel Sherrill <joel@OARcorp.com>
11167 * i386/rtems.h: Renamed from i386/i386-rtems.h
11168 * i960/rtems.h: Renamed from i960/i960-rtems.h
11169 * m68k/rtems.h: Renamed from m68k/m68k-rtems.h
11170 * rs6000/rtems.h: Renamed from rs6000/powerpc-rtems.h
11171 * sparc/rtems.h: Renamed from sparc/sparc-rtems.h
11172 * config/t-rtems: New file.
11173 * configure (i386-*-rtems*): Added t-rtems to tmake_file.
11174 Renamed i386/i386-rtems.h to i386/rtems.h.
11175 (i960-*-rtems*): Added t-rtems to tmake_file.
11176 Renamed i960/i960-rtems.h to i960/rtems.h.
11177 Added original tm.h file and dbxcoff.h.
11178 (m68k-*-rtems*): Added t-rtems to tmake_file.
11179 Renamed m68k/m68k-rtems.h to m68k/rtems.h.
11180 (powerpc-*-rtems*): Added t-rtems to tmake_file.
11181 Renamed rs6000/powerpc-rtems.h to rs6000/rtems.h.
11182 (sparc-*-rtems*): Added t-rtems to tmake_file.
11183 Renamed sparc/sparc-rtems.h to sparc/rtems.h.
11185 Fri Aug 9 16:05:13 1996 Stan Cox <coxs@dg-rtp.dg.com>
11187 * i386.md: (untyped_call) Avoid SIGFPE.
11189 * i386.c (output_float_compare): Don't try to initialize
11190 aggregate local variable; use assignment statements instead.
11192 * i386.h (RTX_COSTS): rtx_cost should pass two parameters.
11194 * i386/go32.h (ASM_OUTPUT_SECTION_NAME): New.
11196 Fri Aug 9 16:00:11 1996 Jim Wilson <wilson@cygnus.com>
11198 * winnt.c (gen_stdcall_suffix): Round parameter size to PARM_BOUNDARY.
11200 Thu Aug 8 17:42:35 1996 Michael Meissner <meissner@tiktok.cygnus.com>
11202 * rs6000.c (output_toc): If we are emitting a reference to a
11203 vtable, don't put in the section name, just use the symbol.
11205 Wed Aug 7 19:03:36 1996 Jim Wilson <wilson@cygnus.com>
11207 * sh.md (casesi_jump): New pattern.
11208 (casesi): Generate RTL to match it.
11210 Wed Aug 7 14:10:07 1996 Jason Merrill <jason@yorick.cygnus.com>
11212 * ginclude/stddef.h (NULL): Use __null for G++.
11214 Tue Aug 6 17:37:53 1996 Michael Meissner <meissner@tiktok.cygnus.com>
11216 * rs6000/sysv4.h (STACK_BOUNDARY): Always define as 64.
11217 (ABI_STACK_BOUNDARY): Define as 64/128 based on the -mno-eabi
11220 * rs6000.c (rs6000_stack_info): Use ABI_STACK_BOUNDARY, not
11221 STACK_BOUNDARY. Define ABI_STACK_BOUNDARY as STACK_BOUNDARY #ifndef.
11223 Tue Aug 6 14:29:43 1996 Doug Evans <dje@fallis.cygnus.com>
11225 * gen-protos.c (overrides): New static local.
11226 (add_hash,parse_fn_proto): New static functions.
11227 (main): Add prototypes from SYS_PROTO_OVERRIDES to hash table before
11228 parsing sys-protos.h. Reserve entry 0 in std_protos.
11229 * alpha.h (SYS_PROTO_OVERRIDES): Define.
11231 Mon Aug 5 16:53:36 1996 Doug Evans <dje@fallis.cygnus.com>
11233 * sparc/t-splet (MULTILIB_OPTIONS): Add mbroken-saverestore.
11234 (MULTILIB_DIRNAMES): Add brknsave.
11236 * stor-layout.c (layout_record): Correct overflow test for 0 sized
11239 Mon Aug 5 16:12:19 1996 Jim Wilson <wilson@cygnus.com>
11241 * alpha.c (alpha_output_filename): When emitting stabs, don't
11242 disable them if using GNU as.
11243 (alpha_output_lineno): Likewise, when not using GNU as.
11245 * sh.c (arith_reg_operand): Reject SUBREG of an invalid hard reg.
11247 * sparc/lite.h (aoutos.h): Don't include it.
11248 * configure (sparclite-*-aout*): Add aoutos.h to tm_file.
11250 Sat Aug 3 23:13:55 1996 Jeffrey A Law (law@cygnus.com)
11252 * combine.c (rtx_equal_for_field_assignment_p): Check for
11253 get_last_value returning (CLOBBER (CONST_INT 0)).
11255 Sat Aug 3 20:19:14 1996 Jim Wilson <wilson@cygnus.com>
11257 * i960.md (subsi3+1): Handle case where first operand is constant
11258 but second operand is not.
11260 * m68k/vxm68k.h (WCHAR_TYPE_SIZE): Undef, then define to 16.
11262 Fri Aug 2 15:46:19 1996 Jeffrey A Law (law@cygnus.com)
11264 * pa/pa-hpux.h (LINK_SPEC): Don't link in PA1.1 specific
11265 libraries when creating shared libraries.
11266 * pa/pa-hpux9.h, pa/pa-hpux10.h: Likewise.
11268 Fri Aug 2 13:36:42 1996 Stan Cox <coxs@dg-rtp.dg.com>
11270 * i386.c (output_float_compare): fcomi should be followed by the
11271 correct conditional jump instead of fcom/pfstsw/and/jne
11272 (override_options): Added -mbranch-cost to set BRANCH_COST.
11274 * i386.md (sgt+1,slt+1,sge+1,sle+1,bgt+1,blt+1,bge+1,ble+1,bleu+4)
11275 Added TARGET_CMOVE check for fcomi.
11276 (movsicc_1+1,movhicc_1+1): Added to handle the general case.
11278 * i386.h (i386_branch_cost, i386_branch_cost_string): Added.
11280 Fri Aug 2 11:53:55 1996 Brendan Kehoe <brendan@lisa.cygnus.com>
11282 * sparc/vxsparc.h (CPP_PREDEFINES): Add `-DCPU=SPARC'.
11284 Thu Aug 1 23:56:01 1996 Jeffrey A Law (law@cygnus.com)
11286 * pa.h (ASM_OUTPUT_INT): Remove all hacks for exception table.
11288 Thu Aug 1 10:08:14 1996 Torbjorn Granlund <tege@spiff.gnu.ai.mit.edu>
11290 * m68k.h (RTX_COSTS, case PLUS): Get operand order right.
11292 Wed Jul 31 15:06:46 1996 Doug Evans <dje@cygnus.com>
11294 * sparc.md (negtf2,abstf2): Fix v9 case.
11296 Wed Jul 31 09:49:25 1996 Jeffrey A Law (law@cygnus.com)
11298 * pa.h (ASM_OUTPUT_INT): Use an 'E%' prefix for items in
11299 the exception table if TARGET_GAS && ! TARGET_PORTABLE_RUNTIME.
11301 Tue Jul 30 15:37:31 1996 Jim Wilson <wilson@cygnus.com>
11303 * i386/cygwin32.h (dbxcoff.h): Include.
11304 (DBX_DEBUGGING_INFO, SDB_DEBUGGING_INFO, PREFERRED_DEBUGGING_TYPE):
11305 Move definitions before include of dbxcoff.h.
11306 (ASM_OUTPUT_SOURCE_LINE, DBX_OUTPUT_MAIN_SOURCE_FILE_END): Delete.
11307 (DBX_BLOCKS_FUNCTION_RELATIVE, DBX_FUNCTION_FIRST): Delete.
11309 Tue Jul 30 15:03:53 1996 Torbjorn Granlund <tege@spiff.gnu.ai.mit.edu>
11311 * i960.md (eq reg (const_int 0)): New pattern.
11313 Tue Jul 30 11:15:44 1996 Jeffrey A Law (law@cygnus.com)
11315 * pa.h (RETURN_ADDR_RTX): Offset is -20 from the frame, not +20!
11317 Mon Jul 29 12:16:17 1996 Jeffrey A Law (law@cygnus.com)
11319 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Fix thinko in last change.
11321 Fri Jul 26 18:19:47 1996 Doug Evans <dje@cygnus.com>
11323 * dwarfout.c (output_bound_representation): Fix typo.
11325 Thu Jul 25 16:00:10 1996 Mike Stump <mrs@cygnus.com>
11327 * expr.c (do_jump, case TRUTH_ORIF_EXPR): Ensure end of an
11328 exception region comes after its start.
11329 (do_jump, case TRUTH_ANDIF_EXPR): Likewise.
11331 Thu Jul 25 13:36:42 1996 Stan Cox <coxs@equinox>
11333 * i386.c (output_float_compare): Added support for Pentium Pro
11334 fcomi instruction which sets EFLAGS instead of FPU Status Word.
11336 Wed Jul 24 21:48:08 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
11338 * cse.c (canon_hash, cse_insn): MEM is not unchanging if it is
11339 in the frame (since the temp slot might be reused).
11341 Wed Jul 24 17:34:06 1996 J"orn Rennecke (amylaar@cygnus.com)
11343 * sh.md (branch_true, branch_false, inverse_branch_true): Express
11344 tests of the T bit as comparisons against zero, rather than one.
11345 (inverse_branch_false, beq, bne, bgt, blt, ble, bge, bgtu): Likewise.
11346 (bltu, bgeu, bleu, casesi): Likewise.
11348 Wed Jul 24 15:58:06 1996 Stan Cox <coxs@dg-rtp.dg.com>
11350 * i386.md: (mov{sf,df,xf}cc{,_1}): New patterns for P6 FP cmove.
11351 * i386.c (put_condition_code, print_operand, output_fp_cc0_set):
11352 Support fcmov suffixes.
11354 Wed Jul 24 10:53:38 1996 Jeffrey A Law (law@cygnus.com)
11356 * pa.c (move_operand): Relax "mode" test. Allow scaled
11357 indexed addressing modes.
11358 (output_fp_move_double): Tweak output strings to work with updated
11359 'F' and 'M' output modifiers.
11360 (print_operand): Collapse 'F' and 'M' into a single hunk of code.
11361 For auto-increment modes output "s,ma" and "s,mb".
11362 For scaled indexing modes output "x,s"
11363 For other addresses, output nothing for 'M' and "s" for 'F'.
11364 * pa.h (EXTRA_CONSTRAINT): Don't accept scaled indexed addresses
11365 for 'Q' and 'T'. Do accept scaled indexed addresses for 'R'.
11366 (GO_IF_LEGITIMATE_ADDRESS): Accept scaled indexed addresses
11367 for SFmode and DFmode.
11368 * pa.md: Remove all scaled indexed load patterns.
11369 (movsi patterns): Accept scaled indexed addresses in some
11370 cases. Update output strings for updated 'M' and 'F' output modifiers.
11371 (movhi, movqi, movsf, movdf, movdi patterns): Likewise.
11373 Tue Jul 23 23:10:41 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
11375 * tree.h (struct tree_int_cst): Add field for TREE_CST_RTL.
11376 * varasm.c (decode_addr_const, output_constant_def): AllowINTEGER_CST.
11378 Tue Jul 23 16:42:09 1996 Jim Wilson <wilson@cygnus.com>
11380 * sh.c (reg_unused_after): Handle JUMP_INSN inside a sequence.
11382 Tue Jul 23 16:33:25 1996 Mike Stump <mrs@cygnus.com>
11384 * Make exception handling work better when optimizations are on.
11385 * except.c, except.h: New files.
11386 * Makefile.in (OBJS): Add except.o.
11388 (stmt.o, final.o): Add except.h.
11389 * rtl.c (note_insn_name): Add NOTE_INSN_EH_REGION_{BEG,END}.
11391 * arm.h (MASK_RETURN_ADDR): Define.
11392 * pa.h (MASK_RETURN_ADDR, RETURN_ADDR_RTX): New macros.
11393 * sparc.h (DOESNT_NEED_UNWINDER): Define if not doing a flat function.
11394 * mips.h (RETURN_ADDR_RTX): Improve.
11395 * vax.h (RETURN_ADDR_RTX): Improve.
11396 * toplev.c (rest_of_compilation): Use find_handler_labels.
11397 (main, interim_eh{,_hook}): Remove interim_eh_hook support.
11398 (flag_exceptions): New flag; also add to table.
11399 (compile_file): Emit the exception table in the backend now.
11400 * final.c (final_scan_insn): Support ASM_OUTPUT_EH_REGION_{BEG,END}.
11401 (final_scan_insn): Redo handler labels, implement
11402 NOTE_INSN_EH_REGION_BEG and NOTE_INSN_EH_REGION_END and use them
11403 instead of CODE_LABELs.
11404 (final): Add call to check_handler_labels.
11405 * libgcc2.c (L_eh): Add support for EH_TABLE_LOOKUP.
11406 * sparc.md (return): Add a reference to the return address register.
11407 * flow.c (find_basic_blocks): Add support for handler_labels.
11408 * loop.c (find_and_verify_loops): Likewise.
11409 * jump.c (jump_optimize): Likewise.
11410 Add call to check_handler_labels. Add call to exception_optimize.
11411 * sched.c (sched_analyze): Smuggle exception region notes around.
11412 (unlink_notes, reemit_notes, schedule_block): Likewise.
11413 (sched_analyze): Add extra element since we remove two at a time.
11414 * integrate.c (save_for_inline_copying): Add support for exception
11416 (expand_inline_function): Likewise.
11417 (function_cannot_inline_p): Don't inline functions that have EH
11418 regions before NOTE_INSN_FUNCTION_BEG.
11419 (finish_inline): Use FIRST_FUNCTION_INSN, not NEXT_INSN.
11420 * function.c (expand_start_all_catch): New function.
11421 * function.h: Add exception handling support information.
11422 * expr.c (expand_expr, {defer,expand}_cleanups_to, do_jump): Transform
11423 interim_eh_hook into calls to expand_ehregion_{start,end}.
11424 * stmt.c (expand_{decl_cleanup,cleanups}): Likewise.
11425 (init_stmt_for_function): Call init_eh.
11426 (save_stmt_status): Call save_eh_status.
11427 (restore_stmt_status): Call restore_eh_status.
11428 * expr.h (throw_libfunc): Add.
11429 * optabs.c (throw_libfunc): Initialize.
11430 * print-rtl.c (print_rtx): Add support for exception regions.
11431 * rs6000.c (EXCEPTION_SECTION): Define.
11432 * output.h (exception_section): Declare.
11433 * varasm.c (exception_section): Define.
11434 * i386.c, i960.c, rs6000.c: Include except.h for function.h.
11435 * c-pragma.c, emit-rtl.c, expr.c, final.c, flow.c: Include except.h.
11436 * function.c, integrate.c, jump.c, loop.c, objc-act.c: Likewise.
11437 * stmt.c, stor-layout.c, toplev.c, tree.c, varasm.c: Likewise.
11439 Tue Jul 23 12:32:54 1996 Michael Meissner <meissner@tiktok.cygnus.com>
11441 * rs6000.c (rs6000_replace_regno): Set pic_offset_table_rtx so
11442 that other phases will use the PIC register instead of the
11445 * rs6000.md (movsi_got*): Eliminate -fPIC code, keep -fpic code.
11446 (movsi): Only call movsi_got if -fpic, not -fPIC.
11448 * sysv4.h (OVERRIDE_OPTIONS): Improve error messages. Always set
11449 -msdata=data by default, even if -fpic/-fPIC/-mrelocatable. Treat
11450 -fPIC the same as -mrelocatable-lib and vica versa.
11452 * t-ppcgas: (MULTILIB_*): Use -mreloctable-lib, instead of
11453 -mrelocatable. Map Solaris into mcall-sysv-noeabi case. Build
11454 -mrelocatable-lib libraries under non-eabi case. When linking, if
11455 -fpic, -fPIC, or -shared, link in the -mrelocatable-lib libraries.
11457 Mon Jul 22 19:34:20 1996 Jim Wilson <wilson@cygnus.com>
11459 * iris6.h (ASM_SPEC): Change {% to %{.
11461 * dwarf2out.c (output_call_frame_info): Change FDE CIE offset to
11462 be section name rather than 0.
11463 (gen_subprogram_die): Only emit DW_AT_external if origin is NULL.
11464 Only call equate_decl_number_to_die if origin is NULL.
11465 (dwarfout_begin_function): In code that computes offset of frame
11466 pointer, change 4 to UNITS_PER_WORD.
11468 * combine.c (undo_all): Clear previous_undos field.
11470 Mon Jul 22 19:10:45 1996 Ian Lance Taylor <ian@cygnus.com>
11472 * configure: Don't change target_alias to target in Makefile.
11474 Sat Jul 20 09:28:38 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
11476 * dwarfout.c (output_bound_representation): Treat default case
11477 as variable bounds, then look inside for SAVE_EXPR.
11479 * mips.h (INITIALIZE_TRAMPOLINE): Use `_flush_cache'; flush data
11482 Sat Jul 20 09:24:13 1996 Marco Walther (Marco.Walther@mch.sni.de).
11484 * configure (mips-sni-sysv4): New target.
11485 * mips/sni-gas.h, mips/sni-svr4.h, mips/x-sni-svr4: New files.
11487 Fri Jul 19 17:44:13 1996 Stan Coxs <coxs@dg-rtp.dg.com>
11489 * i386.md: (leave): Clobbers esp and ebp.
11491 * i386.h: (TARGET_USE_Q_REG): Support inline strlen on PentiumPro
11493 Fri Jul 19 15:56:18 1996 Ian Lance Taylor <ian@cygnus.com>
11495 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add m5200.
11496 (MULTILIB_EXCEPTIONS): Define.
11497 * m68k/lb1sf68.asm: Add MCF5200 support.
11498 * m68k.md (adddi_sexthishl32): Set condition to !TARGET_5200.
11499 (subdi_sexthishl32, ashrdi3, ashrhi3): Likewise.
11500 (negdi2): Change into define_expand.
11501 (negdi2_internal): Rename from old negdi2; condition now !TARGET_5200.
11502 (negdi2_5200): New insn.
11503 * m68k.c (output_function_prologue): Don't use add.w if TARGET_5200.
11504 (output_function_epilogue): Likewise.
11506 * m68k.md (movqi): Remove complex cases which move between address reg
11507 and memory; rely on secondary reloads instead.
11509 Fri Jul 19 12:22:50 1996 Brendan Kehoe <brendan@lisa.cygnus.com>
11511 * fixproto (std_files): Add utime.h.
11513 Fri Jul 19 10:59:46 1996 Jeffrey A Law (law@cygnus.com)
11515 * m68k/m68kemb.h: Remove '\' at EOF.
11517 Fri Jul 19 09:59:00 1996 Joel Sherrill <joel@OARcorp.com>
11519 * m68k/coff.h (STARTFILE_SPEC): Add #undef before definition.
11521 Fri Jul 19 09:44:45 1996 J.T. Conklin <jtc@rtl.cygnus.com>
11523 * m68k.h (LEGITIMATE_INDEX_P): Coldfire does not have scale
11524 by 8 addressing modes.
11526 * m68k-none.h: Use MASK_* macros instead of explicit constants.
11528 Fri Jul 19 09:08:53 1996 Philippe De Muyter <phdm@info.ucl.ac.be>
11530 * m68k.md (negdi2): Undo last change: don't apply neg to address regs.
11532 Fri Jul 19 09:03:01 1996 Robert Wilhelm (rwilhelm@Physik.TU-Muenchen.DE)
11534 * toplev.c (main): Correct typo in error message.
11536 Thu Jul 18 20:29:33 1996 Jim Wilson <wilson@cygnus.com>
11538 * Makefile.in (OBJS): Add dwarf2out.o.
11539 (dwarf2out.o): New rule.
11540 * dwarf2.h, dwarf2out.c: New files.
11541 * dwarfout.c: Check DWARF_VERSION macro.
11543 * mips/iris6.h (DWARF_DEBUGGING_INFO, PREFERRED_DEBUGGING_TYPE):
11544 Move after header files are included.
11545 (iris5.h): Include instead of iris5gas.h.
11546 (MACHINE_TYPE): Change 5.x to 6.x.
11547 (DEBUG_SECTION, LINE_SECTION): Add debug_ to name, fix attributes.
11548 (SFNAMES_SECTION, SRCINFO_SECTION, MACINFO_SECTION, PUBNAMES_SECTION,
11549 ARANGES_SECTION): Fix attributes.
11550 (DWARF_VERSION, MIPS_DEBUGGING_INFO, ASM_DECLARE_FUNCTION_NAME,
11551 ASM_DECLARE_FUNCTION_SIZE, FUNCTION_NAME_ALREADY_DECLARED,
11552 FRAME_SECTION, ABBREV_SECTION): Define.
11553 (DBX_DEBUGGING_INFO, SDB_DEBUGGING_INFO, MIPS_DEBUGGING_INFO,
11554 DWARF_DEBUGGING_INFO, PREFERRED_DEBUGGING_INFO): Delete undefs at
11556 * mips.c (function_{pro,epi}logue): Use FUNCTION_NAME_ALREADY_DECLARED.
11558 Thu Jul 18 19:24:19 1996 David Mosberger-Tang <davidm@azstarnet.com>
11560 * alpha/elf.h (INT_ASM_OP): Change from ".long" to ".quad".
11562 Thu Jul 18 19:20:58 1996 Ulrich Drepper <drepper@myware.rz.uni-karlsruhe.de>
11564 * stddef.h: Undefine __need_wint_t.
11566 Thu Jul 18 19:06:35 1996 J.T. Conklin <jtc@hippo.cygnus.com>
11568 * longlong.h (mc680x0): Define umul_ppmm, udiv_qrnnd, sdiv_qrnnd
11569 for the '020, '030, '040, and '332. Define count_leading_zeros
11570 for the '020, '030, '040, and '060.
11572 * m68k.md: Add TARGET_5200 to conditions which determine whether
11573 the extbl instruction is emitted.
11574 (mulsi3): Enable pattern with TARGET_5200.
11576 * m68k.md (add patterns): Don't use two addqw instructions when
11577 adding small (8 < N <= 16) integers to address registers on 68040.
11579 Thu Jul 18 18:06:15 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
11581 * configure: Write target_alias in Makefile.
11582 (i[3456]86-*-sco3.2v4*): Set truncate_target.
11583 * Makefile.in (target_alias): New and used for all current uses
11586 Thu Jul 18 17:46:02 1996 Dave Love <d.love@dl.ac.uk>
11588 * gcc.c (default_compilers): Extra Fortran extensions.
11590 Wed Jul 17 10:28:10 1996 Torbjorn Granlund <tege@spiff.gnu.ai.mit.edu>
11592 * expmed.c (expand_mult_highpart): Revert last change.
11594 Tue Jul 16 12:51:59 1996 Doug Evans <dje@cygnus.com>
11596 * sparc/sparc-rtems.h: #include "sparc/sparc-aout.h" -> sparc/aout.h.
11598 Mon Jul 15 14:42:06 1996 Jim Wilson <wilson@cygnus.com>
11600 * mips/iris6.h (LINK_SPEC): Add -woff 84.
11602 Fri Jul 12 17:34:01 1996 Michael Meissner <meissner@tiktok.cygnus.com>
11604 * rs6000/eabi.asm (__eabi): Convert pointers in the Global Offset
11605 Table if -mrelocatable. Move loops into separate subroutines for
11606 ease of debugging. Reorganize code somewhat.
11608 * rs6000/rs6000.c (small_data_operand): Allow small data under
11611 * rs6000/sol-c0.c (_start): Initialize r13 to point to the small
11614 * rs6000/sol-c{i,n}.asm (_init, _fini): Enable shared library
11617 * rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Default to
11618 -msdata=data, even if -fpic or -mrelocatable. Allow -mrelocatable
11620 (CPP_SYSV_SPEC): If -fpic, define __PIC__ and __pic__ to 1. If
11621 -fPIC, define them to 2.
11622 (CPP_ENDIAN_SPEC): Push definition of macros for specific endian
11623 targets to new specs.
11624 (CPP_ENDIAN_DEFAULT_SPEC): Define to use CPP_ENDIAN_BIG_SPEC.
11625 (CPP_ENDIAN_{LITTLE,BIG,SOLARIS}_SPEC): New specs for little
11626 endian mode, big endian mode, and Solaris, which can't define
11627 _LITTLE_ENDIAN. Define __LITTLE_ENDIAN__ in all cases for little
11628 endian systems. Define __BIG_ENDIAN__ in all cases for big endian
11630 (SUBTARGET_EXTRA_SPECS): Add new specs.
11632 * rs6000/{eabile,sysv4le}.h (CPP_ENDIAN_DEFAULT_SPEC): Define to
11633 use CPP_ENDIAN_LITTLE_SPEC.
11635 * rs6000/sol2.h (CPP_ENDIAN_LITTLE_SPEC): Define as
11636 CPP_ENDIAN_SOLARIS_SPEC so that _LITTLE_ENDIAN is not define.
11638 Fri Jul 12 17:34:01 1996 David Edelsohn <edelsohn@mhpcc.edu>
11640 * rs6000.c (function_arg): Add IBM AIX XL compiler broken FP arg
11641 passing compatibility mode.
11642 * rs6000.h (TARGET_XL_CALL): Define default.
11643 * aix3newas.h (TARGET_XL_CALL, SUBTARGET_SWITCHES): Define.
11644 * aix41.h (TARGET_XL_CALL, SUBTARGET_SWITCHES): Define.
11646 Fri Jul 12 15:04:43 1996 Doug Evans <dje@cygnus.com>
11648 * arm.h (ASM_OUTPUT_MI_THUNK): Handle fns returning structures.
11650 * ptx4.h ({ASM,LINK}_SPEC): %{V} %{v:%{!V:-V}} -> %{v:-V}.
11651 * svr4.h ({ASM,LINK}_SPEC): Likewise.
11652 * dsp16xx/dsp16xx.h ({ASM,LINK}_SPEC): Likewise.
11653 * i386/dgux.h (LINK_SPEC): Likewise.
11654 * i386/sol2.h (LINK_SPEC): Likewise.
11655 * m88k/dgux.h ({LINK,ASM_CPU}_SPEC): Likewise.
11656 * sparc/sol2.h ({ASM,LINK}_SPEC): Likewise.
11657 * sparc/sp64-elf.h ({ASM,LINK}_SPEC): Likewise.
11658 * sparc/sysv4.h (ASM_SPEC): Likewise.
11660 Thu Jul 11 17:29:33 1996 Michael Meissner <meissner@tiktok.cygnus.com>
11662 * rs6000.h (GOT_TOC_REGNUM): New macro for r2, which is used as a
11663 marker for the GOT/TOC register to be allocated later.
11664 (MACHINE_DEPENDENT_REORG): Call rs6000_reorg.
11665 (rs6000_reorg): Add declaration.
11667 * rs6000.c (rs6000_got_register): Return REG 2, not a pseudo
11668 register in order to work with inlined functions.
11669 (rs6000_replace_regno): New function to replace a register with a
11670 new pseudo register.
11671 (rs6000_finalize_pic): Loop through all insns, replacing any
11672 GOT_TOC_REGNUM registers with new pseudo register, and adding
11673 initialization of GOT register if it was created.
11674 (rs6000_reorg): New function to check whether the GOT_TOC register
11675 marker was removed.
11677 Thu Jul 11 10:12:50 1996 Jeffrey A Law (law@cygnus.com)
11679 * h8300.h (OK_FOR_U): If generating H8/S code, accept
11680 SYMBOL_REF and SYMBOL_REF + CONST_INT.
11682 * h8300.c ({shift,rotate}_one): Emit tabs between opcode and
11683 operands to be consistent with the rest of the compiler.
11684 (shift_two, rotate_two): Define.
11685 (get_shift_alg): Accept new argument "assembler2_p" for
11686 rotate/shift by two insns. All callers changed. Rework
11687 to generate more efficient code on the H8/300, H8/300H, and H8/S.
11688 Try to simplify somewhat.
11689 (emit_a_shift): Use shift-by-two insns when they're available.
11690 Emit tabs between opcode and operands to be consistent with
11691 the rest of the compiler.
11693 Wed Jul 10 19:32:17 1996 Jim Wilson <wilson@cygnus.com>
11695 * mips/iris6.h (ASM_SPEC): Correct typos in Jun 18 change.
11697 Wed Jul 10 18:56:38 1996 Ian Lance Taylor <ian@cygnus.com>
11699 * sh.c (machine_dependent_reorg): When looking for instruction that
11700 sets register in LOG_LINKS, skip link if REG_NOTE_KIND is not zero.
11702 Wed Jul 10 15:02:18 1996 Michael Meissner <meissner@tiktok.cygnus.com>
11704 * rs6000.c (rs6000_got_register): New function to return a pseudo
11705 register to hold the pic register. Abort if reload is in progress
11707 (num_insns_constant): Allow SFmode and DFmode.
11709 * rs6000.h (CONST_DOUBLE_OK_FOR_LETTER_P): Redo 'G' so that it
11710 means a constant that takes exactly two insns.
11711 (rs6000_got_register): Add declaration.
11713 * rs6000.md (movsi_got): Move setup of pic register to
11714 rs6000_got_register.
11715 (movsf): If -msoft-float, don't force constants to memory.
11716 (mov{sf,df} insns): If soft floating point, allow any constant to
11717 be loaded. Add define_splits that allow the 604 to use both
11718 integer units for loading constants. Make sure insn length is
11721 Tue Jul 9 17:05:10 1996 Michael Meissner <meissner@tiktok.cygnus.com>
11723 * rs6000.c (easy_fp_constant): All FP constants are considered
11724 hard for -fpic and hardware floating point, so that the GOT
11725 register is created.
11727 Tue Jul 9 15:21:27 1996 Jim Wilson <wilson@cygnus.com>
11729 * x-iris6 (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
11731 Mon Jul 8 18:00:33 1996 Jim Wilson <wilson@cygnus.com>
11733 * sh.h (enum reg_class): Add new class GENERAL_FP_REGS.
11734 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Likewise.
11736 * cse.c (note_mem_written): Varying structure memory access with
11737 AND address can alias scalars.
11738 * sched.c ({true,anti,output}_dependence): Likewise.
11740 * sh.c (calc_live_regs): For pragma_interrupt case, exclude call
11741 clobbered regs that are fixed, explicitly add MACH_REG and MACL_REG.
11743 * calls.c (expand_call): For assign_stack_temp call in PARALLEL case,
11744 get mode from type instead of using BLKmode.
11745 * function.c (aggregate_value_p): If hard_function_value returns
11746 a non-REG, then return 0.
11748 * mips.c (function_arg): Add explicit checks for FIELD_DECLs.
11749 (mips_function_value): Add explicit checks for FIELD_DECLs, and save
11750 them in the array FIELDS. When returning structure with 1 float field,
11751 enclose it in a PARALLEL and set the PARALLEL mode correctly.
11752 * mips.md (call_value): Call gen_call_value_multiple_internal0
11753 only if there are multiple return values. Strip the PARALLEL off
11754 if there there is only one return value.
11756 Mon Jul 8 16:27:33 1996 Jeffrey A. Law <law@cygnus.com>
11758 * First cut at support for the H8/S.
11759 * h8300.c (h8300_init_once): Handle the H8/S (treat it
11761 (dosize, adds_subs_operand, one_insn_adds_subs_operand): Likewise.
11762 (output_adds_subs, const_costs, print_operand): Likewise.
11763 (output_simode_bld, h8300_adjust_insn_length): Likewise.
11764 (push_order, pop_order): Reverse.
11765 (function_prologue): Try to use ldm.l and stm.l insns
11766 on the H8/S. Minor cleanups.
11767 (function_epilogue): Likewise.
11768 (asm_file_start): Emit ".h8300s" when compiling for the H8/S.
11769 * h8300/h8300.h (CPP_SPEC): Handle the H8/S.
11770 (TARGET_H8300S): New target.
11771 (TARGET_SWITCHES): Add "-ms" and "-mno-s".
11772 (BITS_PER_WORD): Handle the H8/S (treat it like the H8/300H).
11773 (UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY): Likewise.
11774 (BIGGEST_ALIGNMENT, BIGGEST_FIELD_ALIGNMENT): Likewise.
11775 (INITIALIZE_TRAMPOLINE, MOVE_MAX, Pmode): Likewise.
11776 * h8300.md: Handle H8/S just like H8/300H
11777 throughout the entire file.
11778 * t-h8300 (MULTILIB_OPTIONS): Build "-ms" libraries too.
11779 (MULTILIB_DIRNAMES): Put H8/S libraries in "h8300s" directory.
11780 * h8300/lib1funcs.asm: Emit ".h8300s" pseudo-op when generating
11781 h8300s object files. Otherwise treat the H8/S just like the H8/300H.
11782 * ginclude/stdarg.h: Handle the H8/S.
11783 * ginclude/varargs.h: Likewise.
11785 Mon Jul 8 14:50:58 1996 Doug Evans <dje@cygnus.com>
11787 * sparc/sol2.h (LINK_SPEC): Don't pass `-z text' if
11788 -shared -mimpure-text.
11790 Sun Jul 7 18:03:46 1996 Torbjorn Granlund <tege@noisy.tmg.se>
11792 * m68k/lb1sf68.asm (__udivsi3): Use faster tstw instead of btst.
11794 Thu Jul 4 11:44:39 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
11796 * expr.c (get_inner_reference): Delete using alternate mode for
11797 bitfield; we don't make bitfields anymore if not needed.
11799 Wed Jul 3 18:23:17 1996 Stephen L Moshier (moshier@world.std.com)
11801 * c-common.c (record_function_format): Define as static.
11803 * collect2.c (at SUNOS4_SHARED_LIBRARIES): Fix reference to unistd.h.
11805 Wed Jul 3 17:35:20 1996 Gavin Koch <gavin@cygnus.com>
11807 * c-typeck.c (default_conversion): Add bitfield promotions.
11809 Wed Jul 3 17:09:22 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
11811 * gcc.c (default_compilers): Add null entries for languages we
11813 (main): If found one of those entries, say compiler not installed.
11815 Wed Jul 3 12:52:53 1996 Jeffrey A. Law <law@cygnus.com>
11817 * pa.c (fmpy_operands): Define.
11818 (combinable_{fmpy,add,fsub}): New function.
11819 * pa.md (parallel_addb, parallel_movb): New patterns.
11820 (fmpyadd, fmpysub): New patterns.
11822 * pa.c (fmpy{add,sub}operands): Tighten checks. Allow SFmode.
11824 Tue Jul 2 18:57:15 1996 Jeffrey A. Law <law@cygnus.com>
11826 * pa.c (ireg_or_int5_operand): New function.
11827 (output_parallel_movb, output_parallel_addb): Likewise.
11828 (combinable_copy, combinable_add, following_call): Likewise.
11829 (pa_adjust_insn_length): Handle parallel unconditional branches.
11830 (output_movb): Handle case were destination is %sar.
11831 * pa.h: Declare new functions.
11832 * pa.md (parallel_branch): New "type" attribute.
11833 (delay slot descriptions): Don't allow "parallel_branches" in
11834 delay slots. Fill "parallel_branches" like "branch" insns.
11835 (movb patterns): Handle %sar as destination register.
11837 * expr.c (compare): If function pointers need canonicalization
11838 before comparisons, canonicalize them.
11839 (do_store_flag): Do not use an sCC insn for a function pointer
11840 comparison if function pointers need canonicalization before
11843 Tue Jul 2 17:56:37 1996 Michael Meissner <meissner@tiktok.cygnus.com>
11845 * rs6000/sysv4.h ({START,END}FILE_LINUX_SPEC): If -mnewlib is not
11846 used, use the crtbegin/crtend that 2.7.2 used.
11848 Sat Jun 29 07:10:02 1996 Michael Meissner <meissner@tiktok.cygnus.com>
11850 * rs6000.h (INIT_EXPANDERS): Define, call rs6000_init_expanders.
11851 (RS6000_VARARGS_OFFSET): fpmem area no longer next to outgoing
11853 (STARTING_FRAME_OFFSET, STACK_DYNAMIC_OFFSET): Likewise.
11854 (frame_pointer_needed): Add external declaration.
11855 (rs6000_{save,restore}_machine_status): Ditto.
11856 (rs6000_init_expanders): Likewise.
11858 * rs6000.c (rs6000_{save,restore}_machine_status): New functions
11859 to save and restore the globals needed on a per function basis.
11860 (rs6000_init_expanders): Initialize globals needed on a per
11861 function basis, and set up so the above save/restore functions are
11862 called when processing nested functions.
11863 (output_epilog): Don't initialize per function globals here.
11864 (rs6000_stack_info): Change where fpmem save area is to below local
11865 variables, and not just below the outgoing argument area.
11867 * rs6000.md (floatsidf2*, fix_truncdfsi2*): Rewrite conversion
11868 routines to track new location of the fpmem save area. Allocate a
11869 new base register temp for the routines in case the stack frame is
11870 more than 32k in size.
11872 Sat Jun 29 05:44:37 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
11874 * explow.c (convert_memory_address, case PLUS): Fix error in
11877 Fri Jun 28 23:30:48 1996 Jeffrey A. Law <law@cygnus.com>
11879 * reload1.c (choose_reload_regs): Properly mark spill registers
11880 as in use for inherited reloads.
11882 Fri Jun 28 18:37:20 1996 Stephen L Moshier <moshier@world.std.com>
11884 * objc/sarray.c (ifdef __alpha__): Don't declare `free'.
11885 * objc/thr-decosf1.c (objc_thread_id): Use pthread_getunique_np
11886 to obtain a thread ID value.
11887 (objc_mutex_allocate): Cast mutex->owner to _objc_thread_t.
11888 (objc_mutex_{deallocate,unlock}): Likewise.
11889 (objc_mutex_{try,un,}lock): Declare thread_id as _objc_thread_t.
11891 * real.c (asctoeg): `0.0eX' is zero, regardless of the exponent X.
11893 Fri Jun 28 18:33:13 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
11895 * vax.md (rotl): Remove extraneous `$'.
11897 * combine.c (previous_num_undos): Deleted variable.
11898 (MAX_UNDO): Deleted macro.
11899 (struct undo): New field, next.
11900 (struct undobuf): Deleted num_undos and undo.
11901 New fields undos, frees, and previous_undos.
11902 (SUBST, SUBST_INT): Rework to allocate memory and chain undo entries.
11903 (combine_instructions): Initialize undobuf.{undos,previous_undos},
11904 not undobuf.num_undo and previous_num_undos.
11905 (try_combine): Likewise.
11906 (undo_all, gen_rtx_combine): Rework to use new data structures.
11908 Fri Jun 28 16:48:25 1996 Scott Christley <scottc@net-community.com>
11910 * objc/sendmsg.c (__objc_block_forward): New function.
11911 (get_imp, objc_msg_lookup): Use different forwarding function
11912 when the returning a floating point value.
11914 Fri Jun 28 16:25:25 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
11916 * configure: Allow multiple makefile frags.
11917 (i[3456]86-*-linux*oldld*): Add i386/t-crtstuff as target frag.
11918 (i[3456]86-*-linux*aout*, i[3456]86-*-linux*): Likewise.
11919 (m68k-*-linux*aout*): Add t-linux-aout as target frag.
11920 (m68k-*-linux*): Add t-linux as target frag.
11921 * Makefile.in (Makefile): xmake_file and tmake_file now already
11922 contain the $(srcdir)/config prefix.
11924 * config/t-linux (BOOT_CFLAGS): Removed, no longer necessary.
11925 (CRTSTUFF_T_CFLAGS): Don't define.
11926 (CRTSTUFF_T_CFLAGS_S): Define this instead.
11927 * config/t-linux-aout (BOOT_CFLAGS): Removed.
11928 * m68k/t-linux: Remove variables now in t-linux.
11930 Fri Jun 28 15:06:05 1996 John F. Carr <jfc@mit.edu>
11932 * alpha.c (alpha_emit_conditional_move): Emit correct code when
11933 incoming comparison code is NE.
11935 Fri Jun 28 14:35:45 1996 J.T. Conklin <jtc@hippo.cygnus.com>
11937 * c-decl.c (init_decl_processing): Register __builtin_memset
11938 and memset as builtin functions.
11939 * expr.c (expand_builtin, case BUILTIN_MEMSET): Open code memset
11942 Fri Jun 28 14:10:03 1996 Richard Henderson <rth@tamu.edu>
11944 * alpha/linux.h (FUNCTION_PROFILER): _mcount has non-standard linkage.
11945 * alpha/elf.h (LINK_SPEC): Bring emulation name into sync
11946 with Cygnus snapshot.
11948 * alpha.h ({MASK,TARGET}_BUILD_CONSTANTS): New macros.
11949 (TARGET_SWITCHES): New target option build-constants.
11950 * alpha.c (alpha_emit_set_long_const): New function.
11951 * alpha.md (movdi): Call it.
11952 * expmed.c (expand_mult_highpart): Use op1 not wide_op1 in
11953 expansion of mul_highpart.
11955 * alpha.c (output_{pro,epi}log): Flag_inhibit_size_directive
11956 should supress .ent, .end, and accompanying directives.
11957 (alpha_output_lineno): Fix polarity on GAS test.
11958 * alpha.h (NO_DBX_FUNCTION_END): New macro.
11959 * dbxout.c (dbxout_function): Respect NO_DBX_FUNCTION_END.
11960 * alpha/elf.h: New file.
11961 * alpha/linux.h (INITIALIZE_TRAMPOLINE): New definition.
11962 * alpha/xm-linux.h (HAVE_STRERROR): Define.
11963 * configure (alpha*-linux*ecoff*): New target, was alpha-*-linux*.
11964 (alpha-*-linux*): Use elf.h.
11965 * crtstuff.c (init_dummy): Only i386-linux (at most)
11966 needs ___brk_addr hack.
11968 Thu Jun 27 20:23:30 1996 Jon Buller (jonb@metronet.com)
11970 * ns32k.c (split_di): New; from i386.c.
11971 * ns32k.md (adddi3, subdi3, negdi3): New patterns.
11973 Thu Jun 27 19:42:50 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
11975 * combine.c (force_to_mode, case NE): Fix typo and logical error.
11976 (simplify_comparison): Don't swap args if op1 is CONST_INT.
11978 Thu Jun 27 18:49:35 1996 Jim Wilson <wilson@cygnus.com>
11980 * expmed.c (extract_bit_field): Check TRULY_NOOP_TRUNCATION before
11981 making a SUBREG of a REG.
11983 Thu Jun 27 11:03:59 1996 Ian Lance Taylor <ian@cygnus.com>
11985 * mips.h (CC1_SPEC): Put spaces between the -mips* cases.
11986 * mips/osfrose.h (CC1_SPEC): Likewise.
11988 * sh.c (output_branch): Don't call ADJUST_INSN_LENGTH if insn is
11991 Wed Jun 26 19:09:43 1996 Jeffrey A. Law <law@cygnus.com>
11993 * pa.h (CMP_PSI): Delete.
11994 (FUNCTION_POINTER_COMPARISON_MODE): Likewise.
11995 * pa.md (cmppsi): Delete expander.
11996 (canonicalize_funcptr_for_compare): Renamed from plabel_dereference,
11997 turned into an expander + anonymous pattern.
11999 Tue Jun 25 22:36:11 1996 Doug Evans <dje@seba.cygnus.com>
12001 * gcc.c (PEXECUTE_VERBOSE): Define.
12002 (execute): Pass PEXECUTE_VERBOSE to pexecute if -v.
12004 Tue Jun 25 12:23:54 1996 Michael Meissner <meissner@tiktok.cygnus.com>
12006 * rs6000.h (FINALIZE_PIC): Define to call rs6000_finalize_pic.
12007 (rs6000_finalize_pic): Add declaration.
12008 (svr4_traceback): Delete unused declaration.
12010 * rs6000.md (movsi_got): Don't emit gen_init_v4_pic insn.
12011 (V.4 call insns): Do not use @plt for PIC calls.
12013 * rs6000.c (print_operand_address): Handle LABEL_REF just like
12015 (rs6000_finalize_pic): Define, emit the gen_init_v4_pic insn
12016 before all other insns if needed for V.4 PIC calls.
12018 * eabi-ci.asm (_GLOBAL_OFFSET_TABLE_): Do not provide a default
12019 definition, since it interferes with the linker generated version.
12021 Tue Jun 25 01:17:50 1996 Jeffrey A. Law <law@cygnsu.com>
12023 * h8300.c (function_prologue): Update "monitor" prologues.
12024 (function_epilogue): Similarly.
12026 * pa.h (PARSE_LDD_OUTPUT): Handle dynamic libraries that are
12027 loaded "statically".
12029 Mon Jun 24 19:48:36 1996 Joel Sherrill <joel@merlin.gcs.redstone.army.mil>
12031 * configure ({i386,i960,m68k,powerpc,sparc}-rtems): New targets.
12032 * i386/go32-rtems.h, i386/i386-rtems.h: New files.
12033 * i960/i960-rtems.h: New file.
12034 * m68k/m68k-rtems.h: New file.
12035 * rs6000/powerpc-rtems.h: New file.
12036 * sparc/sparc-rtems.h: New file.
12038 Mon Jun 24 23:09:22 1996 Paul Eggert <eggert@twinsun.com>
12040 * cccp.c: (create_definition): Diagnose `#define #' only once.
12042 Mon Jun 24 11:42:58 1996 Jim Wilson <wilson@cygnus.com>
12044 * i386/cygwin32.h, rs6000/cygwin32.h (CPP_PREDEFINES): For consistency,
12045 change to define WIN32, WINNT, and CYGWIN32.
12047 Mon Jun 24 10:46:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
12049 * rs6000.md (floatsidf2*): Move the xor of the argument into the
12050 define_insn, since it confuses inline function expands.
12052 Fri Jun 21 20:40:17 1996 Jim Wilson <wilson@cygnus.com>
12054 * mips.md (call_internal1, call_value_internal1): Delete obsolete code.
12055 (call_internal2, call_value_internal2, call_value_multiple_internal2):
12056 Delete obsolete code. Explicitly load SYMBOL_REF into register.
12057 (call_value): Change Pmode to SImode in gen_call_value_internal0 call.
12059 Thu Jun 20 12:20:33 1996 Michael Meissner <meissner@tiktok.cygnus.com>
12061 * configure (*-aix*): If building a cross compiler, use t-xnewas
12062 instead of t-newas.
12064 * rs6000.c (num_insns_constant_wide): Fix typo if HOST_WIDE_INT
12065 has more than 32 bits.
12067 Wed Jun 19 17:50:33 1996 Richard Henderson <richard@atheist.tamu.edu>
12069 * combine.c (move_deaths): New parameter maybe_kill_insn.
12070 Don't move note if reg killed by maybe_kill_insn.
12071 (try_combine): Pass new arg to move_deaths.
12073 Wed Jun 19 10:44:47 1996 Brendan Kehoe <brendan@lisa.cygnus.com>
12075 * toplev.c (flag_keep_static_consts): Define.
12076 (f_options): Add "keep-static-consts" entry.
12077 (compile_file): Check it in addition to !optimize for emitting
12078 static const variables.
12080 Tue Jun 18 23:37:20 1996 Doug Evans <dje@cygnus.com>
12082 * i386/cygwin32.h (ASM_OUTPUT_SOURCE_LINE): Local symbols begin with L.
12084 Tue Jun 18 12:00:11 1996 Jason Merrill <jason@yorick.cygnus.com>
12086 * varasm.c (asm_output_aligned_bss): Don't emit a skip of size 0.
12088 Tue Jun 18 06:24:28 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
12090 * integrate.c (expand_inline_function): Add missing call to
12091 force_operand when getting structure_value_addr into reg.
12093 * alpha.c (override_options): Allow EV4/5 or 21064/21164 for cpu.
12094 Clean up handling of floating-point options.
12095 * alpha.h (TARGET_SWITCHES): Have all -mieee options turn
12096 on MASK_IEEE_CONFORMANT.
12097 (TARGET_DEFAULT): Use symbolic value.
12098 * alpha.md: When not involving named pattern, update condition
12099 to include alpha_tp != ALPHA_TP_INSN.
12100 Don't do float_extend as part of other pattern when ALPHA_TP_INSN.
12101 (extendsfsd2): Split into two patterns, depending on
12104 * mips/iris6.h (ASM_SPEC): Treat -o32 as -32 and -n64 same as -64.
12105 * mips.c (override_options): Likewise.
12107 * genattrtab.c (fatal): Declare A1 and A2 as char *.
12109 * function.c (find_temp_slot_from_address): Check for overlap
12110 from BASE_OFFSET if X is PLUS of virtual_stack_vars_rtx and const.
12112 * flow.c (flow_analysis): Fix typo in last change.
12114 * expr.c (expand_builtin, case BUILT_IN_{SET,LONG}JMP): Properly
12115 handle case when ptr_mode != Pmode.
12117 * combine.c (try_combine): Don't use split if dest of new I2
12118 is used between I2 and I3.
12120 * c-typeck.c (pointer_int_sum): Convert integer to both signedness
12121 and precision of sizetype.
12122 * explow.c (convert_memory_address, case PLUS, MULT): Don't commute
12123 operation with extension if not adding small integer.
12125 * Makefile.in (BOOT_LANGUAGES): New variable.
12126 (bootstrap): Use it to select languages for stage1.
12127 * configure (extra_host_objs): New variable.
12128 Separate files needed for target and host and concatenate list.
12129 (extra_gcc_objs): Use setting for host, not target.
12130 (objc_thread_file): Start with it as null, then don't include "thr-".
12131 Print name of file after others and in same format.
12132 (alpha-*-winnt*, i[3456]86-*-winnt): oldnames.o is in extra_host_objs.
12133 (all_boot_languages): New variable.
12134 Set from boot_language variable in config-lang.in.
12135 Defines value of BOOT_LANGUAGES in Makefile.
12136 (Makefile): Set target to the canonical form of target.
12138 Mon Jun 17 22:37:07 1996 Mike Meissner <meissner@rtl.cygnus.com>
12140 * rs6000/win-nt.h (ASM_DECLARE_FUNCTION_NAME): Put function
12141 descriptor in .reldata, not .text.
12143 Mon Jun 17 16:05:34 1996 Brendan Kehoe <brendan@lisa.cygnus.com>
12145 * ginclude/stddef.h (wint_t): Don't wrap with #ifndef __cplusplus.
12147 Mon Jun 17 15:03:20 1996 Jim Wilson <wilson@cygnus.com>
12149 * mips.c (mips_split_addresses): New variable.
12150 (simple_memory_operand): Add comment about mode check. Add check
12152 (call_insn_operand): OP is now an addresses instead of a MEM.
12153 (move_operand, mips_check_split): New functions.
12154 (mips_count_memory_refs): Add check for LO_SUM.
12155 (mips_move_1word): Add HIGH support.
12156 (mips_address_cost): Delete check for HIGH.
12157 (output_block_move): Handle LO_SUM addresses.
12158 (override_options): Set mips_split_addresses.
12159 (print_operand_address): Add LO_SUM support.
12160 * mips.h (mips_split_addresses, mips_check_split, move_operand):
12162 (GO_IF_LEGITIMATE_ADDRESS): Reject constant addresses when
12163 mips_split_addresses is TRUE. Add LO_SUM support.
12164 (LEGITIMIZE_ADDRESS): Add LO_SUM support.
12165 (PREDICATE_CODES): Modify call_insn_operand support. Add
12167 * mips.md (memory): Change r4100/r4300 support.
12168 (imuldiv): Add r4300 support.
12169 (high, low): New patterns.
12170 (movsi, movdi): Add LO_SUM support.
12171 (movsi_internal1, movsi_internal2): Use move_operand instead of
12173 (movstrsi_internal, movstrsi_internal2): Delete R constraint.
12174 (call, call_value): Pass address instead of MEM to call_insn_operand.
12175 Call gen_call_{value_}internal0 instead of internal1.
12176 (call_internal0, call_value_internal0, call_multiple_internal0):
12178 (call_internal1, call_internal2, call_value_internal1,
12179 call_value_internal2, call_value_multiple_internal2): Add explicit
12180 MEM before target address.
12182 Sun Jun 16 23:05:16 1996 Jeffrey A. Law <law@cygnus.com>
12184 * configure (hppa*-hp-hpux10*): Use new pa-hpux10 configuration file.
12185 (hppa*-hp-hpux*): Use hpux9 configuration files by default.
12186 * pa/pa-hpux10.h: New file.
12187 * pa/pa-ghpux9.h: Deleted. No longer used.
12189 Sat Jun 15 04:35:51 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
12191 * i386/gnu.h (LINK_SPEC): Remove -rpath /lib/ option.
12192 Ignore -ibcs option.
12194 Thu Jun 13 14:49:41 1996 Jim Wilson <wilson@cygnus.com>
12196 * gen-protos.c (main): Change argv[i] to argv[0][i].
12198 Thu Jun 13 10:46:24 1996 Doug Evans <dje@cygnus.com>
12200 * gcc.c (pfatal_pexecute): Delete code to check errno < sys_nerr.
12202 Wed Jun 12 21:47:10 1996 Eliot Dresselhaus <dresselh@rft30.nas.nasa.gov>
12204 * alpha.c (alpha_cpu, alpha_cpu_string): New variables.
12205 (override_options): Process -mcpu= value.
12206 (alpha_adjust_cost): Handle adjustments for EV5.
12207 * alpha.h (enum processor_type): New enum.
12208 (alpha_cpu, alpha_cpu_string): New declarations.
12209 (target_options): Add "cpu=".
12210 (RTX_COSTS): Adjust values for EV5.
12211 * alpha.md: Add scheduling rules for EV5.
12213 Tue Jun 11 17:51:03 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
12215 * c-common.c (check_format_info): Change text of message about use
12216 of `0' with precision.
12218 Tue Jun 11 15:14:10 1996 Stan Cox <coxs@dg-rtp.dg.com>
12220 * i386.h (TARGET_SCHEDULE_PROLOGUE): New. Allows prologue to
12221 be emitted as asm or rtl.
12223 * i386.c (function_prologue): Emit prologue as asm.
12224 (override_options): Don't emit rtl for prologue if -fpic.
12226 Tue Jun 11 14:41:01 1996 Michael Meissner <meissner@tiktok.cygnus.com>
12228 * rs6000/eabi.asm (__eabi): Fix normal code so that it properly
12229 loads up r2/r13 if needed again.
12231 * rs6000/sysv4.h (CPP_ENDIAN_SPEC): Call cpp_endian_default, not
12232 cpp_endian_default_spec.
12234 Mon Jun 10 15:10:56 1996 Jeffrey A. Law <law@cygnus.com>
12236 * local-alloc.c (update_equiv_regs): Ignore insns that read or
12237 write registers that are likely to be spilled.
12239 * pa.h (cmp_type): Add CMP_PSI.
12240 (FUNCTION_POINTER_COMPARISON_MODE): Define.
12241 * pa.md (cmppsi): New expander.
12242 (plabel_dereference): New pattern
12244 Mon Jun 10 14:56:14 1996 Michael Meissner <meissner@tiktok.cygnus.com>
12246 * rs6000/sol2.h (SKIP_ASM_OP): Delete, Solaris accepts .space,
12247 like rest of PowerPC V4 ports.
12249 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Emit .lcomm if not
12250 using the .sbss area. If using the .sbss area, put out
12251 appropriate .size directive.
12253 Mon Jun 10 14:53:38 1996 Doug Evans <dje@cygnus.com>
12255 * Move fork/exec/wait handling into file of its own.
12256 * pexecute.c: New file.
12257 * Makefile.in (pexecute.o): Add rule.
12258 (xgcc): Link in pexecute.o.
12259 (protoize,unprotoize): Likewise.
12260 * gcc.c (_WIN32): Don't include process.h or declare spawnv{,p}.
12261 (pexecute,pwait): Add prototypes.
12262 (PEXECUTE_{FIRST,LAST,SEARCH}): Define.
12263 (execv,execvp): Delete decls.
12264 (perror_exec): Delete.
12265 (pfatal_pexecute): New function.
12266 (pexecute support): Delete.
12267 (execute): -pipe not supported if _WIN32 or OS2.
12268 Update call to pexecute. Fatal error if pexecute fails. Call pwait.
12269 * protoize.c: Include gansidecl.h.
12270 (my_execvp): Delete.
12271 (choose_temp_base,pexecute,pwait): Declare.
12272 (PEXECUTE_{FIRST,LAST,SEARCH}): Define.
12273 (execvp): Delete decl.
12275 (gen_aux_info_file): Rewrite to use pexecute/pwait.
12277 * gcc.c (do_spec_1): Allow leading text in version string.
12278 Delete support for default minor number = 0.
12280 Mon Jun 10 11:49:53 1996 Scott Christley <scottc@net-community.com>
12282 * objc/Makefile (libobjc.a): Don't delete the library.
12284 * objc/thr.h (objc_set_thread_callback): New function.
12285 (objc_thread_callback): Typedef for the hook function.
12286 * objc/thr.c (__objc_thread_detach_function): Clear thread storage.
12287 Call the thread hook function when first becoming multi-threaded.
12288 (objc_set_thread_callback): New function.
12290 * objc/selector.c (__sel_register_typed_name): Additional parameter
12291 that indicates whether name and type parameters are constant or not.
12292 * objc/runtime.h (__sel_register_typed_name): Likewise.
12293 * objc/init.c (__sel_register_typed_name): Likewise.
12295 * objc/init.c (__objc_init_protocols): Need to unlock mutex.
12297 Mon Jun 10 11:44:44 1996 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12299 * sparc/t-sol2 (gmon.o): Depend on stmp-int-hdrs.
12300 (crt1.o, crti.o, crtn.o, gcrt1.o): Depend on $(GCC_PASSES).
12302 Mon Jun 10 11:29:46 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
12304 * flow.c (flow_analysis, find_basic_blocks): Ignore
12305 nonlocal_label_list for CALL_INSN that has a REG_RETVAL.
12307 * c-common.c (decl_attributes, case A_T_UNION): Don't look at fields
12308 of union if there aren't any.
12310 Sat Jun 8 22:13:33 1996 Stan Cox <coxs@dg-rtp.dg.com>
12312 * i386.c (ix86_expand_prologue): Keep pic register load ahead
12313 of reference which may use a pic register.
12315 Sat Jun 8 22:13:33 1996 Jim Wilson <wilson@cygnus.com>
12317 * i386.md (strlensi_unroll4, strlensi_unroll5): Use + not =& for
12318 constraint for input/output operand 2.
12320 Sat Jun 8 22:13:33 1996 J"orn Rennecke (amylaar@meolyon.hanse.de)
12322 * i386.h (CONST_COSTS): Even integer constants have a cost.
12323 (RTX_COSTS): Take costs of subexpressions into account.
12324 If a multiply is actually a shift, use the cost of the shift.
12325 * i386/unix.h (SHIFT_DOUBLE_OMITS_COUNT): New macro.
12326 * i386/{gas, next, seq-gas}.h (SHIFT_DOUBLE_OMITS_COUNT): Redefine
12328 * i386.c (print_operand): new letter 's'.
12330 Sat Jun 8 15:13:33 1996 Jim Wilson <wilson@cygnus.com>
12332 * mips.c (override_options): Add vr4100 and vr4300 support.
12333 * mips.h (enum processor_type): Likewise.
12334 (MASK_4300_MUL_FIX, TARGET_4300_MUL_FIX): New macros.
12335 (TARGET_SWITCHES): Add -mfix4300 option.
12336 * mips.md (cpu, memory, imuldiv, adder, mult, divide): Add
12337 vr4100 and vr4300 support.
12338 (muldf3, mulsf3): Add vr4300 support.
12339 (muldf3_internal, muldf_r4300, mulsf3_internal, mulsf_r4300): New
12342 Sat Jun 8 14:35:23 1996 David Edelsohn <edelsohn@mhpcc.edu>
12344 * toplev.c (main): Re-enable -gxcoff+.
12346 Sat Jun 8 14:20:14 1996 J.T. Conklin <jtc@rtl.cygnus.com>
12348 * m68k/lb1sf68.asm (__{eq,ne,gt,lt,ge,le}{df,sf}2): Removed
12349 extraneous comments, constants, labels, etc.
12351 * m68k/altos3068.h (TARGET_DEFAULT): Use MASK_* macros
12352 instead of explicit constants in definitions or conditionals.
12353 * m68k/{apollo68, aux, ccur-GAS, dpx2, hp320, hp3bsd}.h: Likewise.
12354 * m68k/{hp3bsd44, isi-nfp, isi, linux-aout, linux}.h): Likewise.
12355 * m68k/{lynx-ng, lynx, m68k-none, m68k-psos, m68kv4}.h): Likewise.
12356 * m68k/{mot3300, netbsd, news, next, pbb, plexus, sun2o4}.h): Likewise.
12357 * m68k/{sun3, sun3n, tower}.h): Likewise.
12359 Sat Jun 8 13:55:23 1996 Matthias Pfaller (leo@marco.de)
12361 * ns32k.md (define_insns for ffs[qhs]i2): Deleted.
12362 (define_expand for ffssi2): New pattern.
12364 Sat Jun 8 13:44:14 1996 Stephen L Moshier (moshier@world.std.com)
12366 * reload.c (find_equiv_reg): Set need_stable_sp if GOAL is the
12369 Sat Jun 8 13:36:05 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
12371 * function.c (fixup_var_refs_1, case SIGN_EXTEND): Handle
12372 paradoxical SUBREGs as first operand.
12373 (fixup_var_regs_1, case SET): Handle paradoxical SUBREGs as
12374 first operand of a ZERO_EXTRACT in SET_DEST.
12376 * c-common.c (enum attrs): Add A_FORMAT_ARG.
12377 (init_attribute): Initialize it.
12378 (decl_attributes, case A_FORMAT): Clean up error messages.
12379 (decl_attributes, case A_FORMAT_ARG): New case.
12380 (struct international_format_info): New structure and typedef.
12381 (international_format_list): New variable.
12382 (record_international_format): New function.
12383 (init_format_info): Call it for gettext, dcgettext, and dcgettext.
12384 (check_format_info): See if format arg is call to
12385 internationalization function.
12387 Fri Jun 7 20:04:40 1996 Jim Wilson <wilson@cygnus.com>
12389 * gcc.c (MULTILIB_SELECT): Delete definition.
12390 (multilib_select): Delete static initializer.
12391 (multilib_obstack, multilib_raw): New global variables.
12392 (multilib.h): Include inside multilib_raw definition.
12393 (main): Set multilib_select from multilib_raw.
12394 * genmultilib: Change output to be a sequence of short strings
12395 separated by commas rather than a single long macro definition.
12397 * cse.c (simplify_binary_operation, case MULT): Check for case
12398 where width is larger than HOST_BITS_PER_WIDE_INT, and upper most
12399 bit is set. We can not generate a simple shift in this case.
12401 * gsyms.h (enum sdb_type): Add T_LNGDBL if EXTENDED_SDB_BASIC_TYPES.
12402 (enum sdb_masks): Add EXTENDED_SDB_BASIC_TYPES masks.
12403 * sdbout.c (gsyms.h): Include if CROSS_COMPILE is defined.
12404 (plain_type_1): Use TYPE_PRECISION instead of TYPE_SIZE.
12405 Add check for LONG_DOUBLE_TYPE_SIZE if EXTENDED_SDB_BASIC_TYPES.
12406 * i960.h (EXTENDED_SDB_BASIC_TYPES): Define.
12407 (PUT_SDB_TYPE): Delete now unnecessary shifting and masking.
12409 * i960.h (i960_output_move_{double,quad}): Declare.
12411 Fri Jun 7 19:22:09 1996 Scott Christley <scottc@net-community.com>
12413 * Makefile.in (OBJC_THREAD_FILE): New variable.
12414 * configure (objc_thread_file): Set new variable to appropriate
12415 values based upon target operating system; default is `thr-single'.
12416 * objc/Makefile (OBJC_THREAD_FILE): Add target and dependency.
12417 (thr.o): Remove OS specific thread files as dependencies.
12418 * objc/thr-decosf1.c: Now compiles as a separate source file, so
12419 include appropriate Objective-C headers.
12420 * objc/thr-{mach,os2,posix,irix,single,solaris,win32}.c: Likewise.
12421 * objc/thr.c: Remove inclusion of source files.
12422 * objc/thr.h (__objc_thread_exit_status): Declare global variable.
12423 * objc/thr-pthreads.c: New file.
12425 Fri Jun 7 19:04:04 1996 J.T. Conklin <jtc@rtl.cygnus.com>
12427 * m68k.h (TARGET_SWITCHES): Treat -m68302 like -m68000 and -m68332
12428 like -m68020; remove -mno-68302 and -mno-68332.
12430 Fri Jun 7 12:06:12 1996 Per Bothner <bothner@deneb.cygnus.com>
12432 * expr.c (safe_from_p): Allow Chill-style variable-sized arrays.
12434 Thu Jun 6 23:11:11 1996 Jeffrey A. Law <law@cygnus.com>
12436 * h8300.c (h8300_monitor_function_p): New function.
12437 (h8300_os_task_function_p): Likewise.
12438 (os_task, monitor): Variables to note if the current
12439 function is an os_task or monitor.
12440 (function_prologue): Set monitor and/or os_task as needed. Handle
12441 os_task and monitor functions.
12442 (function_epilogue): Clear monitor and os_task. Handle os_task and
12444 (h8300_valid_machine_decl_attribute): Accept "OS_Task" and
12447 Thu Jun 6 20:01:54 1996 Per Bothner <bothner@cygnus.com>
12449 * gen-protos.c (progname): New variable (needed by cppalloc.c).
12450 (main): Set progname.
12452 * cpplib.h (struct parse_file): Removed.
12453 (CPP_FATAL_LIMIT, CPP_FATAL_ERRORS, CPP_OUT_BUFFER): New macros.
12454 * cpphash.c (cpp_lookup): Change struct parse_file -> cpp_reader.
12456 * cpplib.c (init_parse_option): Renamed to cpp_options_init.
12457 (push_parse_file): Renamed to ...
12458 (cpp_start_read): Change to return 1 on success, 0 on failure.
12459 (init_parse_file): Renamed to cpp_reader_init.
12460 * cppmain.c (main): Use CPP_SET_WRITTEN and cpp_fatal.
12461 Use renamed function names, and return protocols.
12462 * fix-header.c (read_scan_file): Likewise.
12464 * cpperror.c (cpp_message): Generalize for "fatal" errors.
12465 (cpp_fatal): New function (just calls cpp_message).
12466 * cpplib.c (cpp_start_read, cpp_handle_options, cpp_finish,
12467 parse_goto_mark, parse_move_mark): Use cpp_fatal rather than fatal.
12469 * fix-header.c (check_macro_names): Fix struct parse_file->cpp_reader.
12470 * cpplib.c (newline_fix): Remove unused function.
12472 Thu Jun 6 19:47:26 1996 Jim Wilson <wilson@cygnus.com>
12474 Changes to support parameters and return values in multiple
12475 non-contiguous locations.
12476 * calls.c (expand_call): Handle NIL in PARALLEL. Handle PARALLEL
12477 parameter in REG. Handle PARALLEL return value in VALREG.
12478 (emit_library_call, emit_library_call_value): Abort for PARALLEL.
12479 (store_one_arg): Delete code for handling EXPR_LIST.
12480 * expr.c (emit_group_load, emit_group_store): New functions.
12481 (use_group_regs): New function.
12482 (emit_push_insn): Handle PARALLEL parameter in REG.
12483 (expand_assignment): Handle PARALLEL to_rtx.
12484 (store_expr): Handle PARALLEL target.
12485 * expr.h (emit_group_load, emit_group_store, use_group_regs): New
12487 * function.c (assign_parms): Handle PARALLEL parameter in ENTRY_PARM.
12488 * stmt.c (expand_value_return): Handle PARALLEL return_reg.
12490 * mips/abi64.h (TYPE_DEPENDENT_REG): Delete.
12491 * mips.c (function_arg): Return PARALLEL for structure with
12492 aligned double fields.
12493 (type_dependent_reg): Delete.
12494 (mips_function_value): Return PARALLEL for structure
12495 with two floating point fields.
12496 * mips/mips.md (call_value): Handle PARALLEL in operands[0].
12497 (call_value_multiple_internal2): New pattern.
12498 * pa.h (FUNCTION_ARG): General PARALLEL instead of EXPR_LIST.
12499 * rs6000.c (init_cumulative_args): Change EXPR_LIST to PARALLEL
12501 (function_arg): Generate PARALLEL instead of EXPR_LIST.
12503 Thu Jun 6 18:21:27 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
12505 * function.c (assign_parms): Tighten up code that makes REG_EQUIV
12508 * fold-const.c (fold): Don't do anything with evaluated SAVE_EXPR.
12510 Thu Jun 6 17:54:07 1996 J.T. Conklin <jtc@cygnus.com>
12512 * m68k.h (TARGET_SWITCHES): Group all floating point options.
12513 When an fp option is selected, unset bits used for other mutually
12514 exclusive fp options.
12515 (OVERRIDE_OPTIONS): Remove special case for SUPPORT_SUN_FPA;
12516 bits used for 68881 and SKY are now cleared by TARGET_SWITCHES.
12518 * m68k.md (movsi_const0, movhi): Favor clr with TARGET_5200.
12519 (add[qhs]3): Don't use two addqw/subqw insns to add small integers to
12520 an address register with TARGET_68060.
12521 (stack push peephole): Use moveq.l with TARGET_5200 (when appropriate).
12523 * m68k.h (MASK_5200, TARGET_5200): New macros.
12524 (TARGET_SWITCHES): Add "m5200".
12525 (LEGITIMATE_INDEX_P): Add TARGET_5200 to conditional expression.
12526 * m68k.c (const_method): Do not synthesize long constants
12527 with byte or word operations with TARGET_5200.
12528 * m68k.md: Disable byte and word arithmetic, rotate, integer
12529 divide, dbcc, etc. insns for TARGET_5200.
12530 * m68k-none.h: (CPU_FPU_SPEC, CPP_SPEC, ASM_SPEC): Support m5200.
12532 Thu Jun 6 17:32:32 1996 Paul Eggert <eggert@twinsun.com>
12534 * fixproto (subdirs): Work around Solaris 2.5
12535 /usr/xpgr/bin/sed problem with \+\+.
12537 Thu Jun 6 15:06:27 1996 Jim Wilson <wilson@cygnus.com>
12539 * c-decl.c (grokdeclarator): Call pop_obstacks after creating
12542 * loop.c (strength_reduce): If HAVE_cc0 defined, disable auto_inc_opt
12543 if it would put an insn between a cc0 setter/user pair.
12545 Thu Jun 6 13:06:54 1996 Michael Meissner <meissner@tiktok.cygnus.com>
12547 * rs6000/sysv4.h (LIBGCC2_WORDS_BIG_ENDIAN): If __sun__ is
12548 defined, treat that as little endian.
12550 Wed Jun 5 20:04:53 1996 Jim Wilson <wilson@cygnus.com>
12552 * i960.h (ROUND_TYPE_ALIGN): Add check for TYPE_PACKED.
12554 * sh.h (SHORT_IMMEDIATES_SIGN_EXTEND): Define.
12555 * sh.md (branch_true): Add comment about T-bit compares.
12557 Tue Jun 4 23:08:34 1996 Per Bothner <bothner@deneb.cygnus.com>
12559 * cpplib.h, cpplib.c: Remove support for !STATIC_BUFFERS.
12560 * cpplib.h: Use unsigned char rather than U_CHAR.
12561 * cpplib.h (cpp_reader): Add destructor #ifdef __cplusplus.
12562 (cpp_cleanup): New prototype.
12563 * cpplib.c (special_symbol, do_once, do_include, cpp_get_token):
12564 Compare cpp_buffer against CPP_NULL_BUFFER, not NULL.
12566 * cpplib.c (dump_special_to_buffer): New function.
12567 (initialize_builtins): Use it.
12569 Wed Jun 5 19:10:22 1996 Jeffrey A. Law <law@cygnus.com>
12571 * pa/pa.h (TEXT_SPACE_P): Fix thinko in last change.
12573 Wed Jun 5 16:25:51 1996 Michael Meissner <meissner@tiktok.cygnus.com>
12575 * rs6000.h (ASM_DEFAULT_SPEC): Default to "", not -mpwr.
12577 * sysv4.h (SUBTARGET_SWITCHES): Add -mshlib.
12578 (LINK_PATH_SPEC): Add -compat-bsd support from Solaris.
12579 (LINK_SPEC): Eliminate %{b} and %{G}, since they conflict with GCC
12580 switches. Defer shared library support to LINK_SHLIB_SPEC. Defer
12581 target selection to LINK_TARGET_SPEC.
12582 (LINK_SHLIB_SPEC): Provide two different versions, depending on
12583 whether shared libraries are default or not. Make shared
12584 libraries not default until linker is fixed.
12585 (LINK_OS_*_SPEC): New specs for OS specific linker switches.
12586 (SUBTARGET_EXTRA_SPECS): Add new specs.
12588 * {sol2,sysv4}.h (LINK_SPEC): Move Solaris link into general link spec.
12590 * {sysv4,sysv4le,eabile}.h (LINK_TARGET_SPEC): Only pass -oformat
12591 to the linker if the user is changing the default endian format.
12593 * {sol2,linux,eabisim,eabilesim}.h (LINK_OS_DEFAULT_SPEC): Define
12594 to use the appropriate OS link spec.
12596 Wed Jun 5 16:35:10 1996 Ian Lance Taylor <ian@cygnus.com>
12598 * ginclude/stddef.h: Fix typo: TYPE_ptrdiff_t to _TYPE_ptrdiff_t.
12600 Wed Jun 5 15:52:57 1996 Per Bothner <bothner@kalessin.cygnus.com>
12602 * varasm.c (output_constructor): Handle RANGE_EXPR in array index.
12604 Wed Jun 5 13:45:54 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
12606 * sparc.md (*call_{address,symbolic}_struct_value_sp32): Allow
12607 operand 2 to be const0_rtx.
12609 Tue Jun 4 16:43:44 1996 Jason Merrill <jason@yorick.cygnus.com>
12611 * varasm.c (make_decl_rtl): Don't update DECL_ASSEMBLER_NAME for
12614 * c-decl.c (start_decl): Always set DECL_COMMON on statics.
12615 * varasm.c (assemble_variable): Only treat vars with DECL_COMMON
12618 Tue Jun 4 14:55:49 1996 Jeffrey A. Law <law@cygnus.com>
12620 * pa.c (reloc_needed): New function.
12621 * pa.h (TEXT_SPACE_P): Variables/constants with initializers
12622 requiring relocs never live in the text space.
12624 Tue Jun 4 14:10:46 1996 Ian Lance Taylor <ian@cygnus.com>
12626 * sh.c (fp_zero_operand): Do not accept minus zero.
12628 * sh.h (ASM_OUTPUT_LOOP_ALIGN): Define.
12629 (ASM_OUTPUT_ALIGN_CODE): Define.
12630 (ADJUST_INSN_LENGTH): Add in bytes that may be added by
12632 * sh.c (output_branch): Run ADJUST_INSN_LENGTH in reverse to get
12633 correct length. Just call abort rather than returning "bad".
12634 (find_barrier): Adjust limits for possible alignment.
12636 Tue Jun 4 09:35:05 1996 Michael Meissner <meissner@tiktok.cygnus.com>
12638 * rs6000/t-solaris: New target config file for PowerPC Solaris
12641 * rs6000/t-ppc: Eliminate all multilib varients except for
12642 software floating point.
12644 * configure (powerpcle-*-solaris*): If not --with-gnu-as, use
12645 t-solaris, not t-ppc.
12647 * rs6000/sol2.h (MULTILIB_DEFAULTS): Add correct defaults for
12650 * rs6000/sysv4.h (ASM_OUTPUT_SECTION_NAME): Clone from svr4.h, omit
12651 @progbits, since Solaris assembler doesn't like it.
12652 (LIB_SOLARIS_SPEC): If -msolaris-cclib, add libabi.a.
12653 ({START,END}FILE_SOLARIS_SPEC): If -msolaris-cclib, use explicit
12654 pathnames for the Solaris compiler start/end files.
12655 (ASM_SPEC): Pass -mno-regnames to the assembler.
12657 Mon Jun 3 19:40:10 1996 Jim Wilson <wilson@cygnus.com>
12659 * mips/abi64.h (CPP_SPEC): Make -mabi=n32 the default.
12660 * mips/iris6.h (MIPS_ISA_DEFAULT, MIPS_ABI_DEFAULT, MULTILIB_DEFAULTS,
12661 ASM_SPEC, STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
12662 * mips.md (tablejump_internal4+1): Fix typo in condition.
12663 * mips/x-iris6 (CC, OLDCC): Define to be `cc -32'.
12665 Mon Jun 3 07:57:35 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
12667 * tree.def ([LR]SHIFT_EXPR): Remove `a' from printed names.
12669 * sparc.md (call): Mask unimp operand to 12 bits, just like Sun.
12671 * expr.c (store_field): Fix typo in last change; update TARGET addr.
12673 * c-decl.c (start_struct): Set TYPE_PACKED from flag_pack_struct.
12674 (start_enum): Likewise but from flag_short_enums.
12675 (finish_enum): Test TYPE_PACKED, not flag_short_enums.
12676 * stor-layout.c (layout_decl): Test DECL_PACKED and TYPE_PACKED
12677 instead of flag_pack_struct.
12678 (layout_record): Likewise.
12680 Sun Jun 2 19:41:14 1996 Jim Wilson <wilson@cygnus.com>
12682 * mips.md (tablejump_internal3, tablejump_internal4): New patterns.
12683 (tablejump): Use them for PIC code.
12685 Fri May 31 17:26:53 1996 Stan Cox <coxs@dg-rtp.dg.com>
12687 * i386.c (ix86_expand_epilogue): Don't generate references to an
12688 exposed vacated stack.
12689 * i386.md (epilogue_set_stack_ptr): New.
12691 Fri May 31 15:07:49 1996 Jim Wilson <wilson@cygnus.com>
12693 * mips/abi64.h: Add -mabi=n32 support.
12694 (ABI_64BIT): Delete.
12695 (TARGET_LONG64, CPP_SPEC, STACK_BOUNDARY, MIPS_STACK_ALIGN,
12696 GP_ARG_LAST, FP_ARG_LAST, SUBTARGET_CONDITIONAL_REGISTER_USAGE,
12697 MAX_ARGS_IN_REGISTER, FUNCTION_ARG_PADDING, RETURN_IN_MEMORY,
12698 SETUP_INCOMING_VARARGS): Modify.
12699 (REG_PARM_STACK_SPACE): Ifdef out.
12700 (TARGET_DEFAULT, SUBTARGET_TARGET_OPTIONS): Define.
12701 * mips/iris6.h: Add -mabi=n32 support.
12702 (TARGET_DEFAULT, ASM_OUTPUT_INTERNAL_LABEL,
12703 ASM_GENERATE_INTERNAL_LABEL): Delete.
12704 (MULTILIB_DEFAULTS, ASM_SPEC, EXTRA_SECTION_FUNCTIONS,
12705 ASM_OUTPUT_ALIGNED_LOCAL, STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC):
12707 (MIPS_ABI_DEFAULT, LOCAL_LABEL_PREFIX): Define.
12708 * mips.c: Add -mabi=n32 support.
12709 (mips_const_double_ok, mips_move_1word, mips_move_2words,
12710 function_arg, override_options, mips_asm_file_start,
12711 compute_frame_size, save_restore_insns, function_prologue,
12712 mips_expand_prologue, function_epilogue, mips_function_value): Modify.
12713 (mips_abi, mips_abi_string): Define
12714 * mips.h: Add -mabi=n32 support.
12715 (ABI_64BIT): Delete.
12716 (TARGET_OPTIONS, INITIAL_ELIMINATION_OFFSET, GO_IF_LEGITIMATE_ADDRESS,
12717 CONSTANT_ADDRESS_P, LEGITIMATE_CONSTANT_P, LEGITIMIZE_ADDRESS,
12718 ASM_OUTPUT_ADDR_DIFF_ELT): Modify.
12719 (enum mips_abi_type, SUBTARGET_TARGET_OPTIONS): Define.
12720 (mips_abi, mips_abi_string): Declare.
12721 * mips.md (jump, tablejump_internal1, tablejump_internal2): Add
12723 * mips/t-iris6 (MULTILIB_OPTIONS): Add -mabi=n32 support.
12724 * mips/xm-irix6.h (HOST_BITS_PER_LONG): Use _MIPS_SZLONG not 64.
12725 * ginclude/va-mips.h (va_start): Add -mabi=n32 support.
12727 Fri May 31 14:45:30 1996 Michael Meissner <meissner@tiktok.cygnus.com>
12729 * rs6000/sysv4.h (SUBTARGET_SWITCHES): Add -msolaris-cclib to use
12730 the Sun compiler's crt files instead of ours.
12731 ({START,END}FILE_SOLARIS_SPEC): If -msolaris-cclib, use the Sun
12732 compiler's crt files instead of ours.
12733 (SUBTARGET_OVERRIDE_OPTIONS): Don't set -msdata=data for Solaris.
12734 (SBSS_SECTION_ASM_OP): For Solaris, don't use @nobits.
12735 (CPP_OS_SOLARIS_SPEC): Remove -Asystem(unix) and -Asystem(svr4).
12737 * rs6000/t-ppc{,gas} (MULTILIB*): Add Solaris specific multilibs.
12739 * rs6000/eabi{,le}sim.h (*_DEFAULT_SPEC): Rather than using
12740 duplicate definitions, just use %(...) so that there is only one
12741 place in the specs file where the switches are defined.
12742 * rs6000/{linux,sol2}.h (*_DEFAULT_SPEC): Ditto.
12744 * rs6000/sol2.h (CPP_PREDEFINES): Use the standard one in sysv4.h.
12745 (RS6000_ABI_NAME): Default is solaris.
12746 (ASM_OUTPUT_ALIGNED_LOCAL): Don't redefine.
12748 * rs6000/sol-c{i.asm,n.asm,c0.c}: Provide more things that Solaris
12749 needs for program startup.
12751 Thu May 30 21:57:34 1996 Mike Stump <mrs@cygnus.com>
12753 * tree.def (OFFSET_REF): Remove.
12754 * expr.c (expand_expr, case OFFSET_REF): Likewise.
12755 * tree.c (substitute_in_expr): Remove OFFSET_REF code.
12757 Wed May 29 14:54:44 1996 Michael Meissner <meissner@tiktok.cygnus.com>
12759 * rs6000/eabi.asm (__eabi): If not -mrelocatable, don't assemble
12760 relocatable functions, so that it can be assembled with the
12763 * rs6000/sysv4.h (CPP_SYSV_SPEC): Define _RELOCATABLE if
12764 -mrelocatable-lib as well as -mrelocatable.
12766 * rs6000.c (rs6000_file_start): New function to print some more
12767 information to the asm file.
12768 * rs6000/{sysv4,win-nt,rs6000}.h (ASM_FILE_START): Call it.
12770 Tue May 28 15:21:24 1996 Michael Meissner <meissner@tiktok.cygnus.com>
12772 * rs6000.h (FIRST_PSEUDO_REGISTER): Bump to 77.
12773 ({FIXED,CALL_USED}_REGISTERS): Add support for fpmem pseudo register.
12774 (REG_ALLOC_ORDER, HARD_REGNO_{NREGS,MODE_OK}): Likewise.
12775 (REGISTER_MOVE_COST, reg_class, REG_CLASS_{NAMES,CONTENTS}): Likewise.
12776 (REGNO_REG_CLASS, PREFERRED_RELOAD_CLASS): Likewise.
12777 (CLASS_{MAX_NREGS,CANNOT_CHANGE_SIZE,MAX_NREGS}): Likewise.
12778 (rs6000_stack, {,DEBUG_}REGISTER_NAMES): Ditto.
12779 (FPMEM_{REGNO_P,REGNUM}): New macros for fpmem register.
12780 (rs6000_fpmem_{offset,size}): New global variables.
12781 (RS6000_VARARGS_OFFSET): Fpmem temporary storage is located
12782 between outgoing arg area and varargs save area.
12783 (STARTING_FRAME_OFFSET, STACK_DYNAMIC_OFFSET): Likewise.
12784 (PREDICATE_CODES): Add fpmem_operand.
12785 ({count_register,fpmem}_operand): Add declarations.
12787 * rs6000.c ({rs6000,alt}_reg_names): Add support for fpmem 'register'.
12788 (rs6000_fpmem_{offset,size}): New global variables.
12789 (fpmem_operand): Return true for fpmem registers.
12790 (gpc_reg_operand): The fpmem register is not general purpose.
12791 (includes_rshift_p): Add casts to silence warnings from Solaris
12792 PowerPC host compiler.
12793 (print_operand): Add 'v' operand type for the upper 16 bits of
12794 signed constants, to placate the Solaris assembler.
12795 ({rs6000,debug}_stack_info): Add support for fpmem 'register'.
12796 (output_epilog): Likewise.
12798 * rs6000.md (addsi3,movsi,movsf,movdi): Use %v for constants with
12799 the upper 16 bits, to get the sign correct for PowerPC Solaris.
12800 (float{,uns}sidf2,fix_truncdfsi2): Rewrite to use 'register' 76
12801 for the memory location used to convert between float and integer.
12803 * sysv4.h (ASM_OUTPUT_{CON,DE}STRUCTOR): Use code laid down in
12804 .init and .fini for making constructors and destructors under
12806 (ASM_SPEC): Do not pass -u to the assembler.
12807 (CC1_SPEC): -mrelocatable implies -meabi.
12809 * sol2.h (RS6000_ABI_NAME): Default ABI is Solaris, not System V.4.
12810 (ASM_OUTPUT_ALIGNED_LOCAL): Don't define Solaris specific method.
12812 Mon May 27 06:39:13 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
12814 * expr.c (expand_builtin, case BUILT_IN_{LONG,SET}JMP):
12815 Convert block address from ptr_mode to Pmode.
12817 Sun May 26 20:05:43 1996 Doug Evans <dje@cygnus.com>
12819 * gcc.c (MSDOS pexecute): Call xmalloc, not malloc.
12821 Sun May 26 08:31:54 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
12823 * configure (vax-*-{sysv}): tm_file and xm_file now list.
12824 (vax-*-ultrix): tm_file is now list.
12825 (we32k-att-sysv*): xm_file now list.
12826 * vax/xm-netbsd.h: Deleted.
12827 * vax/netbsd.h: No longer include vax.h and config/netbsd.h.
12828 * vax/ultrix.h, vax/vaxv.h: No longer include vax.h.
12829 * vax/xm-vaxv.h: No longer include xm-vax.h.
12830 * xm-we32k.h: No longer include xm-svr3.h.
12832 * configure: Separately set target_cpu_default for two
12833 case statements and then combine if both set.
12834 (alpha-*-winnt3): tm_file and xm_file are now list.
12835 Set target_cpu_default to 64.
12836 * winnt/config-nt.bat: Make .h files properly for Alpha.
12837 * alpha.h (WINDOWS_NT): No longer defined and used.
12838 (MASK_WINDOWS_NT, TARGET_WINDOWS_NT): New macros.
12839 (ASM_OUTPUT_ADDR_DIFF_ELT): Use TARGET_WINDOWS_NT.
12840 * alpha.c (output_prolog): Test TARGET_WINDOWS_NT, not WINDOWS_NT.
12841 * alpha.md: Likewise.
12842 * alpha/config-nt.sed: Properly set tm_file and {build,host}_xm_file.
12843 * alpha/win-nt.h: Don't include alpha.h
12844 (WINDOWS_NT): No longer define.
12845 * alpha/xm-winnt.h: Don't include xm-alpha.h and winnt/xm-winnt.h.
12847 Fri May 24 12:34:22 1996 Doug Evans <dje@seba.cygnus.com>
12849 * configure (cpu_type): Add case for arm.
12850 (sparclet-*-aout*): Delete extra_headers.
12852 * varasm.c (asm_output_bss): New argument DECL.
12853 Use ASM_DECLARE_OBJECT_NAME if defined.
12854 (asm_output_aligned_bss): Likewise.
12855 (assemble_variable): Pass DECL to ASM_OUTPUT{,_ALIGNED}_BSS.
12856 * arm/aout.h (ASM_OUTPUT_ALIGNED_BSS): Update.
12857 * h8300.h (ASM_OUTPUT_BSS): Update.
12858 * i386/linux.h (ASM_OUTPUT_ALIGNED_BSS): Update.
12859 * i386/sysv4.h (ASM_OUTPUT_ALIGNED_BSS): Update.
12860 * m68k/coff.h (ASM_OUTPUT_ALIGNED_BSS): Update.
12861 * m68k/linux.h (ASM_OUTPUT_ALIGNED_BSS): Update.
12862 * m68k/m68k-aout.h (ASM_OUTPUT_BSS): Update.
12863 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_BSS): Update.
12864 * rs6000/win-nt.h (ASM_OUTPUT_ALIGNED_BSS): Update.
12865 * sparc/sysv4.h (ASM_OUTPUT_ALIGNED_BSS): Update.
12867 Thu May 23 19:55:52 1996 Jim Wilson <wilson@cygnus.com>
12869 * combine.c (set_nonzero_bits_and_sign_copies): Set reg_sign_bit_copies
12870 to one not zero to indicate value is unknown.
12872 Thu May 23 18:39:24 1996 J.T. Conklin <jtc@rtl.cygnus.com>
12874 * config/netbsd.h (SWITCH_TAKES_ARG): Add -R.
12875 (LINK_SPEC): Add %{R*}.
12877 * m68k/lb1sf68.asm: Construct exception masks at compile time
12878 instead of or'ing in bits at run time.
12880 Thu May 23 15:53:06 1996 Ian Lance Taylor <ian@cygnus.com>
12882 * sh.md: Add new instruction types fp and fpdiv. Set new
12883 instruction types where appropriate. Add function unit fp.
12884 Claim that store instructions use function unit memory.
12886 Thu May 23 00:36:19 1996 Jeffrey A. Law <law@cygnus.com>
12888 * h8300.h (CONSTANT_ADDRESS_P): Don't accept CONST or HIGH on H8/300H.
12889 * h8300.md: Use "m" rather than "o" constraint everywhere appropriate.
12890 Cleanup use of "i" and "n" constraints.
12892 Wed May 22 17:43:37 1996 Jim Wilson <wilson@cygnus.com>
12894 * fixincludes (pthread.h): Add extern to __page_size* declarations
12897 * combine.c (nonzero_bits): Don't assume arg pointer has same
12898 alignment as stack pointer.
12900 Wed May 22 16:09:05 1996 Michael Meissner <meissner@tiktok.cygnus.com>
12902 * rs6000/sysv4.h (LINK_START_DEFAULT_SPEC): Spell macro correctly.
12903 (LIB_DEFAULT_SPEC): Provide default version.
12905 Wed May 22 11:23:57 1996 J"orn Rennecke (amylaar@meolyon.hanse.de)
12907 * i386.md (return_pop_internal): new pattern.
12908 (pop): disable emitting of bogus move instruction.
12909 * i386.c (ix86_expand_epilogue): use gen_return_pop_internal to
12910 simultanously return and pop args; removed stray semicolon.
12911 * config/linux-aout.h, config/linux.h (SET_ASM_OP): Added for
12912 __attribute__ ((alias ())) support.
12914 Wed May 22 08:06:42 1996 Richard Kenner <kenner@vlsi1.ultra.nyu.edu.edu>
12916 * combine.c (init_reg_last_arrays, setup_incoming_promotions):
12917 Correct prototypes.
12919 Tue May 21 13:42:17 1996 Jeffrey A. Law <law@cygnus.com>
12921 * h8300.md (div and mode patterns): Rewrite.
12923 * pa.c (basereg_operand): Never accept a CONST_INT.
12925 Tue May 21 12:26:40 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
12927 * pa/pa-hpux9.h, pa-osf.h (LINK_SPEC): Provide version for Snake.
12929 Tue May 21 07:20:48 1996 Pat Rankin <rankin@eql.caltech.edu>
12931 * vax.h (TARGET_NAME): Define unless already defined.
12932 (TARGET_VERSION): Print TARGET_NAME.
12933 * vax/vms.h (TARGET_NAME): Always redefine.
12934 (TARGET_VERSION): Delete; retain vax.h definition.
12936 Mon May 20 14:00:44 1996 Jim Wilson <wilson@cygnus.com>
12938 * sh.c (output_file_start): Delete misplaced semicolon.
12940 Mon May 20 11:58:15 1996 Jeffrey A. Law <law@cygnus.com>
12942 * reorg.c (relax_delay_slots): Call update_block before
12943 redirecting a branch past a redundant insn.
12945 Sun May 19 16:40:53 1996 Philippe De Muyter <phdm@info.ucl.ac.be>
12947 * Makefile.in (libobjc.a, sublibobjc.a): 'specs' added to
12950 Sun May 19 12:25:48 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
12952 * configure: Add new switch to provide default for cpu_type;
12953 delete numerous settings of it in main switch.
12954 (hppa): Reflect rerrangements below; use new configure features.
12955 * pa/pa-gas.h, pa/pa-pro-end.h: New files.
12956 * pa/pa1.h, pa/pa1-osf.h, pa/pa1-ghpux.h, pa/pa1-oldas.h: Deleted.
12957 * pa/pa1-ghpux9.h, pa/pa1-hpux9.h, pa/pa1-hpux.h: Deleted.
12958 * pa/pa1-ghiux.h, pa/pa1-hiux.h, pa/pa-ghpux.h: Deleted.
12959 * pa/pa-gux7.h, pa/pa-ghiux.h: Deleted.
12960 * pa/pa-hiux.h: No longer include pa-hpux.h.
12961 * pa/pa-hpux.h: No longer include pa.h.
12962 (TARGET_DEFAULT): Unset before setting.
12963 (LINK_SPEC): Provide option for pa1.
12964 * pa/pa-hpux7.h: No longer include pa.h.
12965 (HP_FP_ARG_DESCRIPTOR_REVERSED): Don't define here.
12966 * pa/pa-hpux9.h, pa/pa-oldas.h: No longer include pa-hpux.h.
12967 (TARGET_DEFAULT): Don't need to set here.
12968 * pa/pa-osf.h: No longer include pa.h.
12969 (TARGET_DEFAULT): Don't define; identical to default.
12970 * pa/pa-pro.h: No longer include pa.h.
12971 Move definitions after include to new file pa-pro-end.h.
12972 * pa.h (TARGET_SWITCHES): Include TARGET_CPU_DEFAULT.
12973 (TARGET_CPU_DEFAULT): Provide default value.
12974 (CPP_SPEC): Test TARGET_CPU_DEFAULT too.
12976 * Makefile.in (function.o): Includes bc-emit.h.
12977 (reg-stack.o): Includes insn-flags.h.
12978 * expr.h (function_value): Deleted; no such function.
12979 (bc_build_calldesc, bc_runtime_type_code): New declarations.
12980 * c-decl.c: Add prototypes for all static functions.
12981 * c-iterate.c: Likewise.
12982 * dbxout.c: Likewise.
12983 (adspath): Delete; never used and has numerous parse errors.
12984 * dwarfout.c: If not GNUC, make `inline' null; otherwise, leave alone.
12985 Add `static' to inline functions.
12986 Add prototypes for static function.
12987 * expr.c (bc_runtime_type_code): Delete redundant declaration.
12988 * function.c: Include bc-emit.h.
12989 ({save,restore}_machine_status): Add prototype for args.
12990 (bc_runtime_type_code, bc_build_calldesc): Delete redundant decls.
12991 (bc_emit_trampoline, bc_end_function): Likewise.
12992 * reg-stack.c: Include insn-flags.h.
12993 Add prototypes for static functions.
12994 (gen_jump, gen_movdf, gen_movxf): Delete redundant declarations.
12995 (find_regno_note, emit_jump_insn_before, emit_label_after): Likewise.
12996 (swap_rtx_condition): Now static.
12997 * sdbout.c: Add prototypes for static functions.
12998 (sdbout_parms, sdbout_reg_parms): Delete extra parm to plain_type.
13000 Sun May 19 11:50:10 1996 John Carr <jfc@mit.edu>
13002 * alpha.c (alpha_emit_conditional_move): Compare to 0 in correct mode.
13004 Sat May 18 20:17:27 1996 Jim Wilson <wilson@cygnus.com>
13006 * sh.c (prepare_move_operands): If source is r0, and dest is reg+reg
13007 MEM, then copy source to a pseudo-reg.
13008 * sh.md (untyped_call): New pattern.
13010 * unroll.c (copy_loop_body): When update split DEST_ADDR giv,
13011 check to make sure it was split.
13012 (find_splittable_givs): Fix reversed test of verify_addresses result.
13014 Sat May 18 10:26:04 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
13016 * tree.c (unsave_expr_now): Avoid use of NULL_RTX since no rtl.h.
13018 * configure: Set cpu_default, tm_file, and xm_file early.
13019 Remove redundant settings of those, tmake_file, and xmake_file.
13020 Use ${tm_file} and ${xm_file} to refer to the main files.
13021 Sort some entries for consistency and reformat some others.
13022 (rs6000, powerpc): Remove bogus test on host == target.
13023 (alpha-*-linux): xm-linux.h no longer includes xm-alpha.
13024 (alpha-*-osf*): Remove redundant setting of target_cpu_default.
13025 (*-convex-*): Use target_cpu_default instead of separate .h files.
13026 (clipper-intergraph-clix*): clix.h no longer includes any files.
13027 (i860, i960, pdp11): Reflect removal of includes listed below.
13028 * alpha/xm-linux.h: No longer include xm-alpha.h.
13029 * clipper/clix.h: No longer include clipper.h and svr3.h.
13030 * convex.h: Provide a default for TARGET_DEFAULT.
13031 Take "or" of TARGET_DEFAULT and TARGET_CPU_DEFAULT everywhere.
13032 * convex/convex{1,2,32,34,38}.h: Deleted.
13033 * i860/bsd-gas.h: No longer include bsd.h.
13034 * i860/bsd.h: No longer include i860.h.
13035 * i860/fx2800.h: No longer include i860/sysv4.h.
13036 (OUTPUT_TDESC): No longer define.
13037 (ASM_FILE_END): Move redefinition to here.
13038 * i860/mach.h: No longer include i860.h.
13039 * i860/paragon.h, i860/sysv3.h: No longer include i860.h and svr3.h.
13040 * i860/sysv4.h: No longer include i860.h and svr4.h.
13041 (ASM_FILE_END): Delete redefinition from here.
13042 * i860/xm-fx2800.h: No longer include xm-i860.h.
13043 * i860/xm-paragon.h, i860/xm-sysv{3,4}.h: Deleted.
13044 * i960/i960-coff.h: No longer include i960.h and dbxcoff.h.
13045 * i960/vx960-coff.h: No longer include i960-coff.h.
13046 * i960/vx960.h: No longer include i960.h.
13047 * pdp11/2bsd.h: No longer include pdp11.h.
13049 * i370/i370.h: Renamed from mvs.h.
13050 * i370/i370.c: Renamed from mvs370.c.
13051 * i370/t-i370: Renamed from t-mvs.
13052 * i370/xm-i370.h: Renamed from xm-mvs.h.
13053 * configure (i370-*-mvs*): Use default names for all files.
13055 * c-parse.in: Update number of shift/reduce conflicts for objc.
13057 Sat May 18 08:20:17 1996 Dennis Glatting (dennisg@plaintalk.bellevue.wa.us)
13059 * m68k/next.h (FINALIZE_TRAMPOLINE): Add missing backslashes.
13061 Fri May 17 19:57:20 1996 Pat Rankin <rankin@eql.caltech.edu>
13063 * vax/xm-vms.h (dbxout_resume_previous_source_file): New macro.
13065 Fri May 17 14:20:13 1996 Mike Stump <mrs@cygnus.com>
13067 * expr.c (expand_expr, cond TARGET_EXPR): Make TARGET_EXPRs
13068 redoable for UNSAVE_EXPR.
13069 * stmt.c (expand_decl_cleanup): Wrap the cleanup in an UNSAVE_EXPR
13070 to that we can redo it.
13071 * tree.c (unsave_expr_now): Handle TARGET_EXPRs fully now.
13072 * tree.def (TARGET_EXPR): Add a fourth field so that TARGET_EXPRs
13075 * expr.c (expand_expr, cond UNSAVE_EXPR): Move from the C++
13076 frontend to the backend where it belongs.
13077 * tree.c (unsave_expr{,_now}): Likewise.
13078 * tree.def (UNSAVE_EXPR): Likewise.
13079 * tree.h (unsave_expr{,_now}): Likewise.
13081 Fri May 17 15:04:40 1996 Michael Meissner <meissner@tiktok.cygnus.com>
13083 * rs6000.md (lshrsi3 insns): Add special case code for shifting by
13084 0 to avoid bad code generated with no optimization.
13086 Fri May 17 13:50:55 1996 Jason Merrill <jason@yorick.cygnus.com>
13088 * i386/unix.h (ASM_OUTPUT_MI_THUNK): Define.
13089 * i386/{att.h,bsd.h,sun386.h} (ASM_OUTPUT_MI_THUNK): Delete.
13091 Fri May 17 13:34:28 1996 Ian Lance Taylor <ian@cygnus.com>
13093 * fp-bit.c (_fpdiv_parts): Correct sign handling when
13094 dividing zero or infinity by something.
13096 Fri May 17 12:36:36 1996 Doug Evans <dje@seba.cygnus.com>
13098 Standardize option output in assembler files.
13099 * Makefile.in (toplev.o): Pass -DTARGET_NAME.
13100 * arm/aout.h (ASM_OUTPUT_OPTIONS): Delete.
13101 (ASM_FILE_START): Delete option output support.
13102 * arm.c (output_option, output_options, m_options): Delete.
13103 * m88k.c (output_file_start): Delete option output support.
13104 * m88k.h (ASM_COMMENT_START): Define.
13105 * mips.c (target_switches, print_options): Delete.
13106 (mips_asm_file_start): Put output of -G,Cpu,ISA here.
13107 * mips.h (ASM_COMMENT_START): Change from "\t\t#" to " #".
13108 * rs6000.c (output_option, m_options, output_options): Delete.
13109 * rs6000.h (ASM_OUTPUT_OPTIONS): Delete.
13110 (ASM_COMMENT_START): Define.
13111 (ASM_FILE_START): Delete option output support.
13112 * rs6000/sysv4.h (ASM_FILE_START): Likewise.
13113 * rs6000/win-nt.h (ASM_FILE_START): Likewise. Delete duplicate.
13114 * sh.c (output_option, m_options, output_options): Delete.
13115 (output_file_start): Delete option output support.
13116 * sh.h (ASM_FILE_START): Likewise.
13117 (ASM_COMMENT_START): Define.
13118 * dwarfout.c (*): flag_verbose_asm renamed to flag_debug_asm.
13119 * flags.h (flag_debug_asm): Declare.
13120 * toplev.c (print_version): New function.
13121 (print_single_switch): New arguments pos, max, indent, sep, term.
13122 (print_switch_values): New arguments pos, max, indent, sep, term.
13123 Update call to print_single_switch. Output options passed and
13125 (MAX_LINE): New macro.
13126 (flag_debug_asm): Define.
13127 (compile_file): Output options to assembler file.
13128 (main): Recognize -dA. Call print_version. Update call to
13129 print_switch_values.
13130 (line_position): Deleted.
13132 Fri May 17 10:50:44 1996 Stan Cox (coxs@dg-rtp.dg.com)
13134 * i386.c (function_prologue, ix86_expand_prologue,
13135 function_epilogue, ix86_expand_epilogue): Generate prologue and
13136 epilogue as RTL (prior to scheduling) instead of emitting asm.
13137 (override_options): If only -march is given, make it the default -mcpu.
13138 * i386.h (FUNCTION_BEGIN_EPILOGUE): Renamed from FUNCTION_EPILOGUE.
13139 * i386.md (return, return_internal, prologue, prologue_set_got,
13140 prologue_get_pc, epilogue, leave, pop): New patterns for emitting
13141 asm from prologue and epilogue RTL.
13142 * m88k/t-dgux (T_CFLAGS): Delete.
13143 * m88k/x-dgux (X_CFLAGS): New.
13145 Fri May 17 09:54:23 1996 Jim Meyering (meyering@asic.sc.ti.com)
13147 * Makefile.in (stamp-crt{,S}): Use -o to avoid conflicts if
13148 both of these are built in parallel.
13150 Fri May 17 08:55:19 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
13152 * expmed.c (store_split_bit_field): Don't assume the alignment
13153 of VALUE is the same as the record.
13155 * configure: Write #define TARGET_CPU_DEFAULT into tm.h
13156 instead of defining MAYBE_TARGET_DEFAULT in Makefile.
13157 (alpha-*-linux): Set target_cpu_default to 4 and xmake_file to none.
13158 (alpha-*-osf*): Set target_cpu_default to 4 if --gas.
13159 * Makefile.in (gcc.o, toplev.o, $(out_object_file)):
13160 Remove MAYBE_TARGET_DEFAULT.
13162 * combine.c (insn_cuid): New function.
13163 (INSN_CUID): Sometimes call it.
13165 Fri May 17 08:12:37 1996 Scott Christley <scottc@net-community.com>
13167 * objc/sendmsg.c (objc_get_uninstalled_dtable): New function.
13168 * objc/objc-api.h (objc_get_uninstalled_dtable): New declaration.
13170 * objc/thr-os2.c, objc/thr-posix.c, objc/thr-mach.c: New files.
13171 * objc/THREADS.MACH: New file.
13173 * objc/sendmsg.c (nil_method): Deleted from here.
13174 * objc/nil_method.c: New file.
13175 * Makefile (OBJC_O): Add dependency for nil_method.c.
13177 * objc/hash.c (hash_is_key_in_hash): New function.
13178 * objc/hash.h: Include objc/objc.h here instead of in objc/hash.c
13179 to get BOOL typedef.
13181 Fri May 17 08:01:48 1996 Doug Rupp (rupp@gnat.com)
13183 * msdos/configur.bat: If Ada subdirectory present, adjust Makefile.
13185 Fri May 17 07:40:04 1996 Ulrich Drepper (drepper@cygnus.com)
13187 * stddef.h: If need_wint_t defined, nothing in this file is needed.
13188 (_WINT_T, __WINT__TYPE__, wint_t): Define under certain circumstances.
13190 Thu May 16 18:53:25 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
13192 * fold-const.c (fold, case EQ_EXPR): When folding VAR++ = CONST,
13193 mask the new const if VAR is a bitfield reference; also for VAR--.
13195 Thu May 16 18:29:03 1996 Doug Evans <dje@seba.cygnus.com>
13197 * varasm.c (function_section): Delete flag_function_sections support.
13198 (assemble_start_function): Put it here. Use UNIQUE_SECTION if defined.
13200 Wed May 15 13:35:11 1996 Michael Meissner <meissner@tiktok.cygnus.com>
13202 * rs6000.{h,c,md} (rs6000_pic_register): Delete all uses, use
13203 pic_offset_table_rtx instead.
13205 * rs6000.md (move_to_float): Rewrite so that it uses the register
13206 allocator to allocate the stack temp, instead of calling
13208 (fix_truncdfsi2): Likewise.
13210 * rs6000.c (rs6000_stack_temp): Delete, no longer used.
13212 Wed May 15 10:39:27 1996 Jeffrey A. Law <law@cygnus.com>
13214 * h8300.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Define.
13216 Sat May 11 07:42:59 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
13218 * expr.c (store_field): Support BLKmode bitfield if aligned on
13219 byte boundary using emit_block_move.
13220 (expand_expr, case COMPONENT_REF): Likewise.
13222 Fri May 10 18:33:39 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
13224 * configure (alpha-*-linux): Reverse order in tm_file list.
13226 * alpha/x-linux: Deleted.
13227 * alpha/linux.h (ASM_FINAL_SPEC): Add #undef.
13228 * alpha/xm-linux.h: Remove bogus trailing #endif.
13230 * loop.c (maybe_eliminate_biv_1): Disable all but two cases
13231 of biv elimination with givs and restrict those two cases to
13232 an ADD_VAL that is an address.
13234 * flow.c (mark_set_1, mark_used_regs): Clean up usages
13235 of ALL_NEEDED; change to SOME_NOT_NEEDED and set properly.
13237 Fri May 10 11:37:38 1996 Jason Merrill <jason@yorick.cygnus.com>
13239 * toplev.c (compile_file): Don't warn about artificial functions
13240 declared static and not defined.
13242 Thu May 9 22:03:28 1996 Doug Evans <dje@cygnus.com>
13244 * varasm.c (assemble_start_function): ASM_DECLARE_FUNCTION_NAME
13245 needn't consider bytecodes.
13246 (assemble_variable): ASM_DECLARE_OBJECT_NAME needn't
13247 consider bytecodes.
13248 * toplev.c (rest_of_decl_compilation): Likewise with
13249 ASM_FINISH_DECLARE_OBJECT.
13250 * arm/aof.h (ASM_DECLARE_{FUNCTION,OBJECT}_NAME): Delete bytecode
13252 * vax/vms.h (ASM_DECLARE_OBJECT_NAME): Likewise.
13254 Thu May 9 19:36:13 1996 Jim Wilson <wilson@cygnus.com>
13256 * sh.h (SET_ASM_OP): Define.
13258 Thu May 9 13:31:58 1996 Michael Meissner <meissner@tiktok.cygnus.com>
13260 * rs6000/sysv4.h (SUBTARGET_{SWITCHES,OPTIONS}): Add support for
13261 finer grain control on -msdata, so that eabi people can specify to
13262 compile sdata code to only use r13 instead of r2/r13. Make
13263 -mrelocatable-lib turn off -msdata, just like -m relocatable does.
13264 (SUBTARGET_OVERRIDE_OPTIONS): Ditto.
13265 (ENCODE_SECTION_INFO): Move to rs6000.c.
13266 (ASM_SPEC): -msdata=eabi sets -memb also.
13267 (CC1_SPEC): -mno-sdata gets converted to -msdata=none.
13269 * rs6000.c (rs6000_sdata{,_name}): Add support for finer grain
13270 control on -msdata.
13271 (output_options, small_data_operand, print_operand): Likewise.
13272 (rs6000_select_section): Likewise.
13273 (rs6000_encode_section_info): Move here from sysv4.h, section
13274 names are stored as STRING nodes, not IDENTIFIER.
13276 Wed May 8 21:04:49 1996 Doug Evans <dje@cygnus.com>
13278 * function.c (aggregate_value_p): Return 1 if TREE_ADDRESSABLE.
13279 * pa.h (RETURN_IN_MEMORY): No longer test for TREE_ADDRESSABLE.
13281 Tue May 7 13:42:57 1996 Jeffrey A. Law <law@cygnus.com>
13283 * h8300.c: Include obstack.h.
13284 (bit_memory_operand): New function.
13285 (print_operand): Append ":16" to a memory reference to
13286 the tiny data area.
13287 (h8300_tiny_data_p): New function.
13288 (h8300_valid_machine_decl_attribute): Accept "tiny_data". Fix typo.
13289 (h8300_encode_label): New function.
13290 (h8300_adjust_insn_length): References to the tiny data section
13291 are two bytes shorter than normal accesses on the H8/300H.
13292 * h8300.h (OK_FOR_U): Fix thinko.
13293 (ENCODE_SECTION_INFO): Encode info for tiny data variables.
13294 (STRIP_NAME_ENCODING): Define.
13295 * h8300.md (movqi insn): Fix length for a constant load.
13296 (movstrictqi, movhi, movstricthi): Likewise.
13297 (memory btst patterns): Add register to the constraints to keep
13300 * h8300.h (OK_FOR_U): (const (plus (symbol_ref) (const_int)))
13301 is valid U operand if SYMBOL_REF_FLAG is set on SYMBOL_REF.
13302 * h8300.md (memory btst patterns): New patterns.
13304 * h8300.c (h8300_eightbit_data_p): Renamed from h8300_tiny_data_p.
13305 (h8300_eightbit_data_p): Check for the "eightbit_data"
13306 attribute instead of "tiny_data".
13307 (h8300_valid_machine_decl_attribute): Likewise.
13308 * h8300.h (ENCODE_SECTION_INFO): Call h8300_eightbit_data_p
13309 instead of h8300_tiny_data_p.
13311 * h8300.h (READONLY_DATA_SECTION): Define.
13312 (EXTRA_SECTIONS): Add in_readonly_data.
13313 (READONLY_DATA_SECTION_ASM_OP): Define.
13314 (EXTRA_SECTION_FUNCTINOS): Add readonly_data.
13316 Tue May 7 09:26:24 1996 Jason Merrill <jason@yorick.cygnus.com>
13318 * varasm.c (make_decl_rtl): Update DECL_ASSEMBLER_NAME for local
13319 statics. Remove reference to flag_no_common.
13321 Mon May 6 21:38:36 1996 Paul Eggert <eggert@twinsun.com>
13323 * cpplib.c (skip_comment, handle_directive): Don't use uninit vars.
13325 Mon May 6 18:47:36 1996 Doug Evans <dje@cygnus.com>
13327 * dbxout.c (dbxout_function): When deciding to call dbxout_function_end
13328 change test from flag_function_sections to DECL_SECTION_NAME != NULL.
13330 * varasm.c (named_section): Accept any decl.
13332 Mon May 6 16:41:08 1996 Stan Cox (coxs@dg-rtp.dg.com)
13334 * final.c (final_scan_insn): Modify conditional moves whose cc is
13337 * c-common.c (decl_attributes): Chain multiple attributes correctly.
13339 Mon May 6 15:41:43 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
13341 * stmt.c (expand_decl): Don't deduce alignment of SIZE from
13342 DECL_ALIGN; use TYPE_ALIGN instead.
13344 * function.c (assign_parms): Set RTX_UNCHANGING_P in stack_parm
13345 if parm is read-only.
13347 * c-common.c (truthvalue_conversion, case ADDR_EXPR): Don't
13348 treat address of external decl as always nonzero.
13350 Mon May 6 11:33:57 1996 Jason Merrill <jason@yorick.cygnus.com>
13352 * c-decl.c (start_decl): Check -fno-common here.
13353 * varasm.c (assemble_variable): Instead of here.
13354 * final.c (end_final): Likewise.
13355 * c-common.c (init_attributes, decl_attributes): Add A_COMMON.
13357 Mon May 6 11:12:39 1996 Mike Stump <mrs@cygnus.com>
13359 * expr.c (expand_increment): Add third parameter to know when to
13360 ignore the result value.
13361 (store_constructor): Likewise
13362 (expand_expr, case {PRE,POST}{INC,DEC}REMENT_EXPR): Likewise.
13363 * tree.c (stabilize_reference): Always ignore the first operand of
13366 Mon May 6 13:14:45 1996 Jim Wilson <wilson@cygnus.com>
13368 * sh.c (gen_shifty_op): Truncate VALUE to avoid out of bounds array
13371 * expr.c (expand_expr, case INDIRECT_REF): Delete obsolete code
13372 to special case a SAVE_EXPR operand.
13374 Mon May 6 10:00:12 1996 Pat Rankin <rankin@eql.caltech.edu>
13376 * vax.h (ASM_OUTPUT_MI_THUNK): Define.
13378 Mon May 6 09:49:10 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
13380 * m68k/linux.h: Use the new trampoline definition.
13381 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Deleted.
13382 (INITIALIZE_TRAMPOLINE): Changed.
13383 (FINALIZE_TRAMPOLINE, CLEAR_INSN_CACHE): New.
13385 Mon May 6 09:43:55 1996 Patrick J. LoPresti (patl@lcs.mit.edu)
13387 * rtlanal.c (rtx_addr_varies_p): Scan operands of type `E'.
13389 Mon May 6 09:04:40 1996 H.J. Lu (hjl@gnu.ai.mit.edu)
13391 * x-linux{,-aout} (BOOT_CFLAGS, STMP_FIXPROTO, STMP_FIXPROTO): Deleted.
13392 * config/t-linux (BOOT_CFLAGS, STMP_FIXPROTO, STMP_FIXPROTO): New,
13393 moved from x-linux.
13394 * t-linux-aout: New file.
13395 * configure (i[3456]86-*-linux*oldld*, i[3456]86-*-linux*aout*):
13396 Set tmake_file to t-linux-aout.
13398 Sun May 5 22:13:22 1996 H.J. Lu (hjl@gnu.ai.mit.edu)
13400 * Makefile.in (gxx_include_dir): Change to $(prefix)/include/g++.
13401 (old_gxx_include_dir): New - defined as $(libdir)/g++-include.
13402 (cccp.o, cpplib.o): Also pass OLD_GPLUSPLUS_INCLUDE_DIR (set
13403 from $(old_gxx_include_dir)).
13404 * cccp.c (include_defaults_array): For C++, also search
13405 OLD_GPLUSPLUS_INCLUDE_DIR.
13406 * cpplib.c (default_include): Likewise.
13407 * configure: Remove no-longer-needed support for --gxx-include-dir.
13409 Sun May 5 21:59:53 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
13411 * c-lex.c (check_newline): Fix #pragma parsing; issue error message
13412 for directive that starts with `p' but isn't `pragma'.
13414 Sun May 5 13:13:40 1996 Jeremy Bettis <jeremy@hksys.com>
13416 * objc/hash.c (hash_value_for_key): Prevent endless loop when 0 was
13417 stored in a hashtable.
13419 Sun May 5 13:09:54 1996 Satoshi Adachi (adachi@wisdom.aa.ap.titech.ac.jp)
13421 * m68k/newsgas.h (SET_ASM_OP, ASM_WEAKEN_LABEL): Define.
13423 Sun May 5 12:48:08 1996 Stephen L Moshier (moshier@world.std.com)
13425 * tree.c (build_real_from_int_cst): Remove spurious test for
13426 REAL_IS_NOT_DOUBLE.
13428 Sat May 4 12:17:58 1996 Richard Earnshaw (rearnsha@armltd.co.uk)
13430 * arm.h (ASM_OUTPUT_MI_THUNK): Moved here from aout.h. Rewrite to be
13431 independent of the selected assembler, and to use optimal number of
13433 * arm/aout.h (ASM_OUTPUT_MI_THUNK): Delete.
13435 * arm/aout.h (ASM_OUTPUT_OPTIONS): Define.
13436 (ASM_FILE_START): Call ASM_OUTPUT_OPTIONS.
13437 (BSS_SECTION_OP): Define.
13438 (ASM_OUTPUT_ALIGN): Don't output anything if byte alignment is wanted.
13439 (ASM_OUTPUT_ALIGNED_BSS): Define.
13440 * arm.h (target_cpu_name): Delete.
13441 (TARGET_SWITCHES): Delete "be" and "le".
13442 (TARGET_OPTIONS): Delete "cpu-", add "tune=".
13443 (struct arm_cpu_select): New struct.
13444 (PROCESSOR_DEFAULT, TARGET_CPU_DEFAULT): Define.
13445 (EXTRA_CC_MODES, EXTRA_CC_NAMES): Add CC_Cmode.
13446 (CANONICALIZE_COMPARISON): Define.
13447 * arm.c (arm_select): Declare and initialize.
13448 (all_procs): Add arm7100.
13449 (arm_override_options): Parse arm_select structure to determine
13450 selected architecture and tuning parameters.
13451 (output_option, output_options): New functions.
13452 (arm_canonicalize_comparison): New function.
13453 (arm_gen_movstrqi): Don't add a writeback of the index registers for
13454 the last instructions.
13455 (arm_select_cc_mode): Detect case where mode is carry out of unsigned
13457 (output_lcomm_directive): Use bss_section (), and use alignment
13458 rather than rounding.
13459 (get_arm_condition_code): Handle CC_Cmode.
13460 (final_prescan_insn): Avoid boundary case where we would occasionally
13461 inline MAX_INSNS_SKIPPED+1 insns. Allow call_insns to be inlined in
13462 APCS_32 mode if they are the last insn in the block.
13463 * arm.md (*addsi3_compareneg): Delete potentially unsafe insn.
13464 (*addsi3_compare_op[12]): New insns.
13465 (*compare_addsi2_op[01]): New insns.
13466 (*addsi3_carryin, *addsi3_carryin_alt[12]): New insns.
13467 (*cmp_ite1): Use arm_add_operand instead of arm_rhs_operand.
13468 * semi.h (PROCESSOR_DEFAULT): Default to PROCESSOR_ARM6.
13470 Fri May 3 10:52:11 1996 1996 Stan Cox (coxs@dg-rtp.dg.com)
13472 * i386.md (movesicc, movehicc) Pentium Pro conditional move insns.
13474 * i386.h (TARGET_PENTIUMPRO, TARGET_CMOVE, BRANCH_COST,
13475 ASM_OUTPUT_FUNCTION_PREFIX): New macros for conditional move.
13477 * i386.c (asm_output_function_prefix, function_prologue): Setup
13478 pic on Pentium Pro so a return will match the call.
13479 (print_operand, put_condition_code): Output conditional move suffixes.
13481 Fri May 3 10:52:11 1996 Jason Merrill <jason@yorick.cygnus.com>
13483 * i386/{att.h,gas.h,bsd.h,sub386.h} (ASM_OUTPUT_MI_THUNK): Define.
13485 Wed May 1 17:54:51 1996 Doug Evans <dje@cygnus.com>
13487 * sparc.h (ASM_OUTPUT_MI_THUNK): Fix for sparc64, optimize.
13489 Wed May 1 13:28:32 1996 Jason Merrill <jason@yorick.cygnus.com>
13491 * i386/linux.h (ASM_OUTPUT_ALIGNED_BSS): Define.
13492 * i386/sysv4.h: Likewise.
13493 * sparc/sysv4.h: Likewise.
13495 Wed May 1 01:44:47 1996 Jeffrey A. Law <law@cygnus.com>
13497 * h8300.c (h8300_adjust_insn_length): Adjust the cost of
13498 shifts by small constant values.
13499 * h8300.md: Remove names from many patterns which don't need them.
13500 (compare insns): Don't underestimate lengths.
13501 (andqi3 expander): Remove constrains.
13502 (andhi3): Don't underestimate length.
13503 (andsi3): Don't underestimate length. Improve code when upper
13504 or lower half of destination is being cleared.
13505 (indirect_jump_h8300, indirect_jump_h8300h): Simplify.
13506 (shift insns): Remove useless "I" constraint.
13508 * h8300.md (bcs type): Remove "bcs" type attribute and all references.
13509 (bcs insns): Delete. No longer needed.
13510 (setcc from bitfield): Rewrite to use zero_extract. Provide
13511 QImode, HImode and SImode variants.
13513 Tue Apr 30 18:13:09 1996 Jason Merrill <jason@yorick.cygnus.com>
13515 * svr4.h (SELECT_SECTION): If RELOC is true, put it in data.
13517 Tue Apr 30 17:26:30 1996 Jason Merrill <jason@yorick.cygnus.com>
13519 * fold-const.c (fold): Don't call convert to recreate tree nodes
13522 Tue Apr 30 16:52:41 1996 Jeffrey A. Law <law@cygnus.com>
13524 * h8300.c (one_insn_adds_subs_operand): New function.
13525 (h8300_adjust_insn_length): New function.
13526 * h8300.h (ADJUST_INSN_LENGTH): Define.
13527 * h8300.md: Remove obsolete comments.
13528 (move patterns): Tweak constraints.
13529 (tst patterns): Use "register_operand" for predicate.
13530 (adds pattern): Use one_insn_adds_subs_operand to get length
13531 computation correct.
13532 (subs pattern): Similarly.
13533 (movstrhi): Remove unused expander.
13534 (fancy*, pxor, and-not patterns): Remove. No longer needed.
13536 Tue Apr 30 13:35:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
13538 * rs6000/sol-c0.c (_start): Temporarily display calling
13539 __do_global_ctors, since the Solaris linker doesn't handle the
13540 relocations properly.
13542 Mon Apr 29 13:03:12 1996 Doug Evans <dje@cyguns.com>
13544 * sparc/vxsparc.h: sparc-aout.h renamed to aout.h.
13546 Mon Apr 29 00:35:15 1996 Jeffrey A. Law <law@cygnus.com>
13548 * h8300.c (names_small): Remove "BAD" postfix from %r7 byte registers.
13549 (rtx_equal_function_value_matters): Remove extra declaration.
13550 (output_simode_bld): New function.
13551 * h8300.h (NO_FUNCTION_CSE): Do define this.
13552 (reg_class): Remove LONG_REGS, SP_REG, SP_AND_G_REGS.
13553 (REG_CLASS_{NAMES,CONTENTS,FROM_LETTER}): Corresponding changes.
13554 (REGNO_REG_CLASS): Corresponding changes.
13555 (output_simode_bld): Declare.
13556 * h8300.md: Nuke comments for stuff which has been fixed.
13557 (all patterns): Remove references to register class "a" (SP_REGS)
13558 which no longer exists.
13559 (many patterns): Accept auto-inc auto-dec addresses in more cases.
13560 (zero_extendqisi2): New pattern for the H8/300.
13561 (zero_extendhisi2): Only use zero_extendhisi2_h8300 when not
13563 (extendhisi2): Only use extendhisi2_h8300 when not optimizing.
13564 (extendqisi2): New pattern for the H8/300.
13565 (bitfield related patterns): Completely rewrite.
13566 (fancy_bclr, fancy_btst): Deleted.
13567 (addhi3 pattern for h8300): Handle case where we can't make matching
13568 constraints (works around hard to fix reload problem).
13569 (stack_pointer_manip): Delete.
13570 (and not patterns): New combiner patterns.
13572 * pa.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Make sure the
13573 final $CODE$ subspace is in the $TEXT$ space.
13575 Sun Apr 28 14:52:21 1996 Jason Merrill <jason@yorick.cygnus.com>
13577 * svr4.h (ASM_OUTPUT_SECTION_NAME): If no decl is specified,
13578 make the section read/write data.
13580 Sat Apr 27 10:28:59 1996 Michael Meissner <meissner@wogglebug.tiac.net>
13582 * rs6000/t-ppcgas (MULTILIB_EXCEPTIONS): Don't allow -mrelocatable
13583 and -mcall-sysv-noeabi.
13585 * rs6000/sysv.h (SUBTARGET_OVERRIDE_OPTIONS): The -mcall-aix
13586 option sets -meabi. Don't allow -mrelocatable without -meabi.
13588 Fri Apr 26 16:10:46 1996 Doug Evans <dje@cygnus.com>
13590 * sparc.md (*smacsi,*smacdi,*umacdi): Fix constraint on
13593 Fri Apr 26 14:36:33 1996 Michael Meissner <meissner@tiktok.cygnus.com>
13595 * i960/t-{960bare,vxworks960} (MULTILIB*): Add
13596 soft-float multilib support.
13598 Fri Apr 26 06:38:56 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
13600 * stor-layout.c (layout_decl): Turn off DECL_BIT_FIELD for BLKmode
13601 that's properly aligned and a multiple of a byte.
13603 Thu Apr 25 22:43:19 1996 Doug Evans <dje@cygnus.com>
13605 * i386/gas.h (ASM_OUTPUT_ALIGN): #if 0 out again.
13606 Undoes change of Apr. 9.
13607 * i386/go32.h (ASM_OUTPUT_ALIGN): Define.
13609 Thu Apr 25 14:05:33 1996 Richard Kenner (kennervlsi1.ultra.nyu.edu)
13611 * calls.c (expand_call): In inlining case, if BEFORE_CALLS is
13612 zero, start looking at first insn (one more place).
13614 * expr.c (expand_builtin, case BUILT_IN_SETJMP): CLOBBER the
13615 static chain after label at setjmp point.
13617 Thu Apr 25 09:02:24 1996 Michael Meissner <meissner@tiktok.cygnus.com>
13619 * rs6000.c (print_operand{,_address}): Correct compile error if
13620 TARGET_EABI is not defined. Also, just call small_data_operand,
13621 without testing the ABI.
13622 (rs6000_select_section): Ditto.
13624 * rs6000/sysv4.h (CC1_SPEC): For -mcall-solaris, don't pass
13627 Wed Apr 24 18:26:48 1996 Brendan Kehoe <brendan@lisa.cygnus.com>
13629 * collect2.c (handler): Delete export_file when we get a signal.
13631 Wed Apr 24 14:54:44 1996 Jeffrey A. Law <law@cygnus.com>
13633 * pa/pa1-ghpux.h (LINK_SPEC): Define. Link in PA1.1 libraries
13635 * pa/{pa1-ghpux9.h, pa1-hpux.h, pa1-hpux9.h}: Likewise.
13637 Wed Apr 24 11:12:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
13639 * configure (powerpc{,le}-*-eabi*): Use t-ppc{,gas}, instead of
13641 (powerpc-*-linux,powerpcle-*-solaris): Add definitions.
13642 (MULTILIB_DIRNAMES): Pick shorter names for the multilib
13644 (MULTILIB_*): Do not build -msdata versions of the library. Build
13645 both system V and eabi versions of the libraries.
13647 * rs6000/t-ppc{,gas} (MULTILIB*): Don't build -msdata versions of
13648 the libraries. Split -mcall-sysv libraries into
13649 -mcall-sysv-{eabi,noeabi} varients.
13650 (LIB2FUNCS_EXTRA): Add eabi.S, eabi-ctors.c.
13651 (eabi.S): Use eabi.S, not eabi.s for eabi.asm.
13652 (crt files): Add support for Solaris crt files.
13654 * rs6000/sol{2.h,-c0.c,-ci.asm,-cn.asm}: New files for Solaris.
13656 * rs6000/linux.h: New file for Linux-based GNU system support.
13658 * rs6000/eabi-ci.asm (ppc-asm.h): Include.
13659 (.got section): Correct attribute.
13661 * rs6000/eabi-c{i,n}.asm (.init,.finit): Add support for System V
13662 style .init/.fini sections, that constructors and destructors
13663 place a bl <func> in the appropriate section.
13665 * rs6000/eabi-ctors.c (__do_global_{c,d}tors): Call __init, and
13666 __fini to handle constructors/destructors in the .init, .fini
13669 * rs6000/{eabi,sysv}.h: Move most eabi configuration stuff from
13672 * rs6000/sysv.h (TARGET_*): Convert -mcall-xxx from switch into option.
13673 Add -mcall-{solaris,linux,sysv-eabi,sysv-noeabi} options.
13674 Add -m{,no-}eabi options to control whether we adhere to
13675 the System V spec or the EABI spec. Add -m{,no-}regnames to
13676 control whether registers are printed out as %r0 instead of 0.
13677 (SUBTARGET_OVERRIDE_OPTIONS): Add support for new -mcall options.
13678 (FP_ARG_MAX_REG): Use new macros for ABI conformance.
13679 (RS6000_REG_SAVE): Likewise.
13680 (STACK_BOUNDARY,BIGGEST_ALIGNMENT): If eabi, align to 8 byte
13681 boundary, otherwise 16 byte.
13682 (EXTRA_SECTIONS): Add .init, .fini sections.
13683 (*_SPEC): Reorganize so that the different targets all have sub
13684 specs that go in the specs file. Add support for linux and
13687 * rs6000/{sysv4,eabi}*.h (*_SPECS): Only override the default
13688 spec, all other specs moved to sysv4.h.
13689 (RS6000_ABI_NAME): Use RS6000_ABI_NAME to set the default ABI
13690 name, not TARGET_DEFAULTS.
13692 * rs6000/xm-sysv4.h (alloca): Properly declare alloca if compiler
13694 (DONT_DECLARE_SYS_SIGLIST): Define.
13696 * rs6000.c (rs6000_abi_name): New global for getting the results
13698 (rs6000_reg_names): New global for holding the normal register names.
13699 (alt_reg_names): Alternate register names for -mregnames.
13700 (rs6000_override_options): If -mregnames, copy alt_reg_names into
13702 (input_operand): Recognize ABI_SOLARIS.
13703 (small_data_operand, init_cumulative_args): Likewise.
13704 (function_arg{,_boundary,_advance,_partial_nregs}): Likewise.
13705 (function_arg_pass_by_reference, setup_incoming_varargs): Likewise.
13706 ({rs6000,debug}_stack_info, output_{prolog,epilog}): Likewise.
13707 (print_operand): %$ prints '.' on Solaris, '$' elsewhere.
13708 (print_operand{,_address}): If not eabi, use @sdarel for small
13710 (rs6000_stack_info): Only emit __eabi call if TARGET_EABI.
13712 * rs6000.h (*_SPECS): Move the System V specs to svr4.h.
13713 (ABI_SOLARIS): New ABI, mostly like System V.
13714 (EXTRA_CONSTRAINT): Use ABI_SOLARIS like ABI_V4.
13715 (RETURN_ADDRESS_OFFSET, (LEGITIMATE_SMALL_DATA_P): Likewise.
13716 (RETURN_IN_MEMORY): On Solaris, small structures are returned in regs.
13717 (REGISTER_NAMES): Use rs6000_reg_names array, instead of string
13719 (DEBUG_REGISTER_NAMES): Define.
13720 (ADDITIONAL_REGISTER_NAMES): Add sp, toc aliases.
13721 (PRINT_OPERAND_PUNCT_VALID_P): Recognize $ as a punctuation char.
13723 * rs6000.md (got & call patterns): Use ABI_SOLARIS to mean the
13725 (branch patterns): Use %$ for the current location, not just $.
13727 * va-ppc.h: Add Solaris support.
13729 Tue Apr 23 20:02:13 1996 Doug Evans <dje@cygnus.com>
13731 * sparc.c (output_function_prologue): In -mbroken-saverestore
13732 case, %sp = %fp - size.
13733 * sparc/t-splet (TARGET_LIBGCC2_CFLAGS): Delete.
13734 * sparc.md (isa attribute): Add sparclet.
13735 (*smacsi,*smacdi,*umacdi): Use match_operand, not match_dup
13737 (*mulsidi3_sp32,const_mulsidi3,*umulsidi3_sp32,const_umulsidi3): Use
13738 smuld,umuld for sparclet.
13740 Tue Apr 23 16:28:28 1996 Michael Meissner <meissner@wombat.gnu.ai.mit.edu>
13742 * m68k/m68kemb.h: Add {LINK,STARTFILE,LIB,SUBTARGET}_SPEC, so
13743 gcc will use libgloss for supported target boards {idp,mvme,bcc}.
13745 Tue Apr 23 16:00:28 1996 Per Bothner <bothner@cygnus.com>
13747 * expr.c (store_constructor): Fix test for missing array elements.
13749 Tue Apr 23 11:21:09 1996 Stephen L Moshier (moshier@world.std.com)
13751 * i386/sco5.h (BSS_SECTION_ASM_OP): Use `data' directive.
13752 (ASM_OUTPUT_ALIGNED_LOCAL): Generate an `lcomm' directive.
13753 (TARGET_DEFAULT): Include TARGET_IEEE_FP.
13754 (CPP_PREDEFINES): Include Di386.
13756 Mon Apr 22 12:00:46 1996 David Edelsohn <edelsohn@mhpcc.edu>
13758 * rs6000.h (BIGGEST_FIELD_ALIGNMENT): Delete.
13759 (ADJUST_FIELD_ALIGN, ROUND_TYPE_ALIGN): Define.
13760 * sysv4.h (BIGGEST_FIELD_ALIGNMENT): Delete.
13761 (ADJUST_FIELD_ALIGN, ROUND_TYPE_ALIGN): Undefine.
13762 * win-nt.h (ADJUST_FIELD_ALIGN, ROUND_TYPE_ALIGN): Undefine.
13764 Sun Apr 21 17:52:36 1996 Jim Wilson <wilson@cygnus.com>
13766 * m68k/coff.h (ASM_OUTPUT_SECTION): Test DECL before
13769 * cse.c (cse_process_notes): Handle SUBREG like ZERO_EXTEND.
13771 Sun Apr 21 12:57:12 1996 Doug Evans <dje@cygnus.com>
13773 * arm/aout.h (ASM_OUTPUT_MI_THUNK): Define.
13775 Sun Apr 21 09:50:09 1996 Stephen L Moshier (moshier@world.std.com)
13777 * choose-temp.c: Include sys/types.h before sys/file.h for sco3.2v5.
13779 Sun Apr 21 08:42:13 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
13781 * alpha.c (check_float_value): Cast args of bcopy to avoid warnings.
13783 Sat Apr 20 21:22:21 1996 David Edelsohn <edelsohn@mhpcc.edu>
13785 * stor-layout.c (layout_record): Use ADJUST_FIELD_ALIGN to modify
13786 alignment of fields within records.
13788 Sat Apr 20 19:55:33 1996 Niels Moller <nisse@lysator.liu.se>
13790 * c-parse.in (typespec): Made <SomeProtocol> equivalent
13791 to (id <SomeProtocol>).
13792 (non_empty_protocolrefs): New nonterminal.
13794 Sat Apr 20 08:34:02 1996 J"orn Rennecke (amylaar@meolyon.hanse.de)
13796 * stmt.c (check_for_full_enumeration_handling): Call case_tree2list
13797 before checking for case expressions not corresponding to enumerators.
13798 (mark_seen_cases): If SPARSENESS == 2, exploit AVL order.
13799 Else, convert tree to list.
13800 Set xlo to -1 if SPARSENESS == 1 search failed.
13801 (expand_end_case): Avoid calling case_tree2list on list.
13803 Fri Apr 19 16:54:57 1996 Michael Meissner <meissner@tiktok.cygnus.com>
13805 * rs6000/win-nt.h (BIGGEST_FIELD_ALIGNMENT): Set to 64, not
13808 Fri Apr 19 16:40:38 1996 Stan Cox <coxs@dg-rtp.dg.com>
13810 * i386.md (movqi): Handle QImode values in %si and %di.
13812 Thu Apr 18 20:56:56 1996 Jim Wilson <wilson@cygnus.com>
13814 * sh.md (lshrsi3): Change gen_ashlsi3_d to gen_lshrsi3_d.
13816 Thu Apr 18 15:49:28 1996 Per Bothner <bothner@cygnus.com>
13818 * sparc.h (ASM_OUTPUT_MI_THUNK): Define.
13820 Thu Apr 18 15:19:26 1996 Jeffrey A. Law <law@cygnus.com>
13822 * h8300.md: Remove "type" attribute from all patterns except those
13823 which have varying length branches. Eliminate obsolete "type"
13824 attributes. Add "length" and "cc" attributes to insns without them;
13825 fix some length computations. Remove patterns which are commented out.
13827 * h8300.md (zero extension expanders and insns): Simplify, fix various
13828 length problems, provide optimized versions for the h8300 and h8300h.
13829 (sign extension expanders and insns): Likewise. Make them
13830 nearly identical to zero_extension patterns and insns.
13832 Wed Apr 17 18:50:16 1996 Jeffrey A. Law <law@cygnus.com>
13834 * pa.h (SELECT_SECTION): Define. Never place a something
13835 into the read-only data section if it requires a reloc.
13837 * pa.md (rotlsi3): Delete unnecessary and incorrect pattern.
13839 Wed Apr 17 17:15:40 1996 Michael Meissner <meissner@tiktok.cygnus.com>
13841 * rs6000.md (movdi): Never FAIL, even if operand[1] is not a
13842 general operand, due to being in volatile memory.
13844 Wed Apr 17 15:20:10 1996 Brendan Kehoe <brendan@lisa.cygnus.com>
13846 * c-lex.c (check_newline): Rewrite to use tokens.
13847 (handle_sysv_pragma): Take a token instead of a character.
13848 * i960.c (process_pragma): Take the IDENTIFIER_POINTER tree
13849 node instead of a character.
13850 * sh.c (handle_pragma): Likewise.
13851 * config/nextstep.c (handle_pragma): Likewise.
13852 * h8300.c (handle_pragma): Likewise.
13853 * i960.h (HANDLE_PRAGMA): Expect/pass 2nd arg of NODE, not CH.
13854 * sh.h (HANDLE_PRAGMA): Likewise.
13855 * config/nextstep.h (HANDLE_PRAGMA): Likewise.
13856 * h8300.h (HANDLE_PRAGMA): Likewise.
13858 Wed Apr 17 14:28:43 1996 Doug Evans <dje@cygnus.com>
13860 * choose-temp.c: Don't include sys/file.h ifdef NO_SYS_FILE_H.
13861 #include <stdio.h>.
13862 (choose_temp_base): Make tmp,usrtmp, static locals.
13864 Wed Apr 17 08:41:02 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
13866 * alpha.c (alpha_emit_conditional_move): Fix some bugs in previous
13867 change and do some cleanup.
13869 Tue Apr 16 18:53:05 1996 Jim Wilson <wilson@cygnus.com>
13871 * reload.c (push_reload): Add extra reload for inside of SUBREG if
13874 * expr.c (do_store_flag): Rewrite last change to avoid compiler
13877 * reload.c (push_reload): When reuse an old reload, set the modes
13878 to be the larger of the old and new modes.
13880 * i960/t-960bare (xp-bit.c): Fix typo in source file name.
13882 Tue Apr 16 18:09:16 1996 Jeffrey A. Law <law@cygnus.com>
13884 * h8300.md (andhi3): If 2nd operand is a CONST_INT that meets 'J'
13885 constraint, then only two bytes are needed for this insn. Improve
13886 code generated for the h8300h when both operands are registers.
13887 (iorhi3, xorhi3): Likewise. Rework to be nearly identical to andhi3.
13888 (andsi3): If 2nd operand is a CONST_INT that meets the 'J'
13889 constraint, then only two bytes are need for this insn.
13890 Improve code generated for the h8300h regardless of the
13891 type of the 2nd operand. Make this pattern work on the h8300 too.
13892 (iorsi3, xorsi3): Likewise. Rework to be nearly identical to andsi3.
13893 (iorqi3_internal): Make this pattern look more like andqi3_internal.
13894 (one_cmplhi2, one_cmplsi2): Fix length computation for H8300H.
13896 Tue Apr 16 17:43:25 1996 J"orn Rennecke (amylaar@meolyon.hanse.de)
13898 * i386.md (addsidi3_2): Handle non-MEM overlap case.
13900 Tue Apr 16 16:59:49 1996 Richard Henderson <rth@tamu.edu>
13902 * function.c (expand_function_end): Allow TRAMPOLINE_TEMPLATE
13903 to be omitted on systems for which it is not cost effective.
13904 * varasm.c (assemble_trampoline_template): No such function
13905 if no TRAMPOLINE_TEMPLATE.
13906 * m68k.h: Greatly simplify the run-time trampoline code:
13907 (TRAMPOLINE_TEMPLATE, TRANSFER_FROM_TRAMPOLINE): Delete define.
13908 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Changed.
13909 (TRAMPOLINE_ALIGN): No point aligning to cache line.
13910 (FINISH_INIT_TRAMPOLINE): New define.
13911 * m68k/next.h: Instead of redefining INITIALIZE_TRAMPOLINE,
13912 make use of the new FINISH_INIT_TRAMPOLINE.
13913 * m68k/{m68k.h,next.h,aux.h} (FINISH_INIT_TRAMPOLINE):
13914 Rename to FINALIZE_TRAMPOLINE.
13915 * m68k/{linux.h,m68kv4.h}: Override trampoline macros.
13917 Tue Apr 16 16:02:50 1996 David Edelsohn <edelsohn@mhpcc.edu>
13919 * combine.c (make_field_assignment): Allow XOR in final case.
13921 Tue Apr 16 11:33:53 1996 J.T. Conklin <jtc@rtl.cygnus.com>
13923 * m68k.h (TARGET_SWITCHES): Don't remove MASK_68060 with -msoft-float.
13925 * m68k.h (MULL_COST, MULW_COST, RTX_COSTS): Add costs for TARGET_68060.
13926 * m68k.md (ashlsi_16, lshrsi_16): Disable pattern for TARGET_68060;
13927 this special case is not faster for that cpu.
13929 Tue Apr 16 10:54:55 1996 Eliot Dresselhaus <dresselh@rft30.nas.nasa.gov>
13931 * alpha.c (alpha_emit_conditional_move): New function.
13932 * alpha.h (alpha_emit_conditional_move): Declare it.
13933 * alpha.md (cmov* define_expands): Use it.
13935 Tue Apr 16 09:06:17 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
13937 * function.h (struct function): New field returns_pointer.
13938 * function.c (push_function_context_{to,from}): Save and restore
13939 current_function_returns_pointer.
13941 * config/svr4.h (ENDFILE_SPEC): Add missing `%s'.
13943 * configure (m68k-*-linux*aout*): Set tmake_file to m68k/t-linux-aout.
13944 (m68k-*-linux*): Set extra_parts.
13945 * m68k/t-linux (INSTALL_ASSERT_H): New definition.
13946 (CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): New definitions.
13947 * m68k/t-linux-aout: New file.
13948 * m68k/linux.h (LIB_SPEC): Deleted.
13949 (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS): Define.
13951 * m68k.h (TRAMPOLINE_ALIGNMENT): Specify alignment in bits, not bytes.
13953 Tue Apr 16 08:53:17 1996 Philippe De Muyter <phdm@info.ucl.ac.be>
13955 * final.c (final_scan_insn): Allow removal of redundant test and
13956 compare instructions that use clobbers.
13958 Tue Apr 16 06:22:00 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
13960 * c-decl.c (clear_limbo_values): New function.
13961 (pushdecl): Call it for function body blocks.
13963 * objc/thr-decosf1.c (_objc_thread_id): Correct return type from
13964 int to _objc_thread_id.
13966 * expr.c (expand_builtin, case BUILT_IN_LONGJMP): Make a decl
13967 for __dummy, so we can call make_function_rtl on it.
13969 * expr.c (expand_assignment): Don't pre-evaluate RHS if a CALL_EXPR
13970 with a variable-size return.
13972 Mon Apr 15 17:38:45 1996 Ian Lance Taylor <ian@cygnus.com>
13974 * fixincludes: Fix undefined VOIDFUNCPTR in VxWorks 5.2 <time.h>.
13976 Mon Apr 15 15:12:16 1996 Jim Wilson <wilson@cygnus.com>
13978 * expr.c (do_store_flag): Before calling exact_log2, remove any
13979 sign extension bits.
13981 * reload1.c (emit_reload_insns): Call reload_reg_reaches_end_p for
13982 every reg of multi-reg spill register. Invalidate old info for multi
13983 reg spill registers when only part survives to the end.
13985 Mon Apr 15 14:49:12 1996 Mike Stump <mrs@cygnus.com>
13987 * function.c (preserve_temp_slots): Only preserve temporaries that
13988 happen to be at the current level.
13990 Mon Apr 15 14:08:12 1996 Doug Evans <dje@canuck.cygnus.com>
13992 * gansidecl.h: New file.
13993 * choose-temp.c: New file.
13994 * Makefile.in (xgcc): Depend on and link in choose-temp.o.
13995 (collect2): Likewise.
13996 (choose-temp.o): Add rule for.
13997 * collect2.c: #include "gansidecl.h".
13998 (const,PROTO): Delete.
13999 (P_tmpdir): Delete.
14000 (choose_temp_base): Declare as extern, delete internal copy.
14001 (main): Update call to choose_temp_base.
14002 * cpphash.c: #include "gansidecl.h".
14003 (NULL,const,volatile): Delete.
14004 * demangle.h: #include "gansidecl.h".
14005 (PROTO,PTR,const): Delete.
14006 * expr.h (const): Delete.
14007 * fix-header.c: #include "gansidecl.h".
14009 * gcc.c: #include "gansidecl.h".
14010 (PROTO,VPROTO,PVPROTO,VPROTO,VA_START,NULL): Delete.
14011 (GENERIC_PTR,NULL_PTR,P_tmpdir): Delete.
14012 (choose_temp_base): Declare as extern, delete internal copy.
14013 (concat): Rewrite to take a variable number of arguments.
14014 (choose_temp_base_try,concat[346]): Delete.
14015 (translate_options,set_spec,process_command,do_spec_1,
14016 is_directory,main): Always use concat, not concat[346]. Pass
14017 NULL_PTR as trailing arg to concat.
14018 * genattr.c (main): Delete printing of "#define PROTO".
14019 * machmode.h: #include "gansidecl.h".
14021 (HAVE_MACHINE_MODES): Move definition to standard place.
14022 * recog.h: #include "gansidecl.h".
14023 (PROTO,const): Delete.
14024 * rtl.h: #include "gansidecl.h".
14025 (PROTO,VPROTO,PVPROTO,VPROTO,VA_START,STDIO_PROTO): Delete.
14026 (NULL,GENERIC_PTR,NULL_PTR): Delete.
14027 * tree.h: Likewise.
14029 Mon Apr 15 08:49:20 1996 Tom May (ftom@netcom.com)
14031 * cse.c (invalidate_skipped_set): Ignore CLOBBER after calling
14032 note_mem_written, not before.
14034 Mon Apr 15 08:22:03 1996 Philippe De Muyter <phdm@info.ucl.ac.be>
14036 * m68k.md (tstdi): Optimized for "d" case.
14037 (movqi): Allow moving "i" into "a".
14038 (zero_extendsidi2): Alternatives merged.
14039 (extendplussidi): Fixed when operands 0 and 1 share a register.
14040 (adddi_sexthishl32): Constraints reordered for better reload.
14041 (adddi3,subdi_sexthishl32,subdi3,negdi2): Likewise.
14042 (ashldi_sexthi): Accept "m" as operand 0.
14043 (ashldi_const32): Alternatives merged.
14044 (ashift patterns): Output "lsl" instead of "asl".
14045 (beq0_di): If condition codes already set, output only branch insn.
14046 (bne0_di,bge0_di,blt0_di): Likewise.
14047 * m68k.c (notice_update_cc, case ASHIFT{,RT}, LSHIFTRT, ROTATE{,RT}):
14048 Don't set CC_NO_OVERFLOW.
14049 * m68k.h (TARGET_SWITCHES): Fix typo in "c68000" entry.
14051 Mon Apr 15 08:06:17 1996 Stephen L Moshier (moshier@world.std.com)
14053 * real.c (eadd1): Check for overflow on X plus X.
14055 Mon Apr 15 08:02:24 1996 J.T. Conklin <jtc@cygnus.com>
14057 * i386/netbsd.h (HAVE_SYSV_PRAGMA): Removed definition.
14058 * config/netbsd.h (HAVE_SYSV_PRAGMA): Define.
14059 (SET_ASM_OP): Define.
14061 Mon Apr 15 07:28:54 1996 Fila Kolodny <fila@ibi.com>
14063 * configure: Add definition for host= into Makefile.
14064 * build-make (CC): Pass -b $(host), not target.
14066 Mon Apr 15 05:12:39 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
14068 * expr.c (bc_expand_increment): Change declaration to return void.
14070 * toplev.c (max_label_num_after_reload): New variable.
14071 (rest_of_compilation): Set it.
14072 * reorg.c (find_dead_or_set_registers): Only kill spill regs after
14073 label made before jump2.
14075 * combine.c (expand_field_assignment): Take SUBREG_WORD into
14076 account when have STRICT_LOW_PART.
14077 (make_extraction): Make a STRICT_LOW_PART at any low-order word.
14079 Mon Apr 15 03:43:11 1996 Jeffrey A. Law <law@cygnus.com>
14081 * flags.h (flag_function_sections): Declare.
14082 * toplev.c (flag_function_sections): Define.
14083 (compile_file): Add warnings when -ffunction-sections is
14084 used with -g, or profiling. Disable -ffunction-sections
14085 when profiling is used. Add warning when -ffunction-sections
14086 is used on a target that doesn't support it.
14087 * varasm.c (named_section): Make a copy of the section name
14088 in case the original is in temporary storage.
14089 (function_section): Set DECL_SECTION_NAME for each function
14090 if flag_function_sections is on and the target supports it.
14091 * dbxout.c (dbxout_function_end): New function.
14092 (dbxout_function): Call dbxout_function_end if using extensions
14093 and flag_function_sections is on.
14094 * sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Prefix a function
14095 section's name with ".text%" when -ffunction-sections.
14097 Sun Apr 14 19:37:43 1996 Doug Evans <dje@cygnus.com>
14099 * toplev.c (main): Delete redundant test for -p used with -fbytecode.
14101 Sun Apr 14 19:01:59 1996 John F. Carr <jfc@mit.edu>
14103 * c-decl.c (finish_enum): Don't crash if no type can represent all
14104 enumeration values.
14106 Sun Apr 14 18:56:40 1996 J.T. Conklin <jtc@rtl.cygnus.com>
14108 * m68k.md (ftruncdf2): Enable for m68060 systems.
14110 Sun Apr 14 18:49:30 1996 David L. Reese (david.reese@east.sun.com)
14112 * fold-const.c (range_test): Don't convert hi_cst or lo_cst
14113 to unsigned when folding signed range tests.
14115 Sun Apr 14 08:56:27 1996 Stephen L Moshier <moshier@world.std.com>
14117 * real.h (ereal_from_{int,uint}): Add new arg, MODE.
14118 (REAL_VALUE_FROM{,_UNSIGNED}_INT): New arg, MODE.
14119 * real.c (ereal_from_{int,uint}): New arg, MODE.
14120 * cse.c (simplify_unary_operation): Add new arg to REAL_VALUE_FROM_INT.
14121 * fold-const.c (fold_convert): Likewise.
14122 * tree.c (real_value_from_int_cst): New arg, TYPE.
14123 Pass mode to REAL_VALUE_FROM_INT.
14124 (build_real_from_int_cst): Properly deal with truncation.
14126 Sun Apr 14 08:21:29 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
14128 * combine.c (try_combine): When substituting in output of I2,
14129 ensure dest isn't clobbered in I2.
14131 * combine.c (combine_instructions): In initial scan of insns,
14132 handle a REG_INC note's affect on sign bit copies and nonzero bits.
14133 (set_nonzero_bits_and_sign_copies): Treat a zero SET arg as a CLOBBER.
14135 Sun Apr 14 07:52:28 1996 Manor Askenazi <manor@santafe.edu>
14137 * objc/encoding.c (objc_skip_typespec): Don't abort for _C_UNDEF.
14139 Sat Apr 13 20:35:36 1996 Richard Henderson (richard@atheist.tamu.edu)
14141 * configure (m68k-apple-aux*): Rework to take advantange
14142 of list of tm.h files and support all four gas/gld options.
14143 * m68k/auxas.h, m68k/auxgas.h, m68k/auxgld.h, m68k/auxld.h: New files.
14144 * m68k/auxstd.h, m68k/auxgnu.h: Deleted.
14146 Sat Apr 13 20:18:11 1996 Stephen L Moshier <moshier@world.std.com>
14148 * alpha.c (check_float_value): New function.
14149 * alpha.h (CHECK_FLOAT_VALUE): Define.
14150 (ASM_OUTPUT_FLOAT): Print the value in hex.
14152 Sat Apr 13 15:08:45 1996 Doug Evans <dje@canuck.cygnus.com>
14154 * configure: New target arm{,el}-*-coff*.
14155 (cpu_default): Sort alphabetically.
14156 * arm/coff.h: New file.
14157 * arm/t-bare: New file.
14158 * arm/arm.c (use_return_insn): Don't use return for naked functions.
14159 (arm_valid_machine_decl_attribute): New function.
14160 (arm_naked_function_p): New function.
14161 (output_func_prologue): Naked functions don't have prologues.
14162 (arm_expand_prologue): Likewise.
14163 (output_func_epilogue): Likewise with epilogues.
14165 Sat Apr 13 11:31:32 1996 Jeffrey A. Law <law@cygnus.com>
14167 * h8300.c (adds_subs_operand): Fix thinko in last change.
14169 * h8300.md (subhi3): Turn into a define_expand.
14170 (subhi3 using adds_subs): New pattern.
14171 (H8300 subhi): Derived from old subhi pattern. Simplified.
14172 (H8300H subhi): Likewise.
14173 (subsi using adds_subs): New pattern. Only used on H8300H.
14174 (subsi_h8300): Allow "a" registers as destination.
14175 (subsi_h8300h): Allow "a" registers as destination. Simplify.
14177 * h8300.md (bcs_qiqi, bcs_hihi, bs_hiqi): Fix thinkos
14180 Sat Apr 13 08:59:48 1996 Fila Kolodny <fila@ibi.com>
14182 * i370/mvs.h (ASM_DECLARE_FUNCTION_NAME): Don't write anything to
14183 asm file, because everything is handled in FUNCTION_PROLOGUE.
14185 Sat Apr 13 07:55:38 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
14187 * alpha.c (alpha_emit_set_const_1): Renamed from
14188 alpha_emit_set_const and static.
14189 Remove change of Nov 26; again use normal mechanism for SImode.
14190 (alpha_emit_set_const): New function.
14192 Fri Apr 12 18:19:39 1996 Jeffrey A. Law <law@cygnus.com>
14194 * h8300.c (adds_subs_operand, output_adds_subs): New functions.
14195 * h8300.md (addhi3): Turn into a define_expand.
14196 (addhi3 using adds_subs): New pattern.
14197 (H8300 addhi): Derived from old addhi pattern. Simplified.
14198 (H8300H addhi): Likewise.
14199 (addsi using adds_subs): New pattern. Only used on H8300H.
14200 (addsi_h8300): Allow "a" registers as destination.
14201 (addsi_h8300h): Simplify. Allow "a" registers as destination.
14203 * h8300.md (bcs): New attribute type.
14204 (default_length): Compute correct length for bcs insns.
14205 (bcs_qiqi, bcs_hihi, bs_hiqi): Use new type and update
14206 to account for correct length computation.
14208 * h8300.md (movhi_internal): Demand at least one operand to be reg.
14209 (movsi_h8300{{,h}): Optimize loading certain constants.
14211 * h8300.h (NO_FUNCTION_CSE): Comment out.
14212 (FUNCTION_ARG_REGNO_P): Properly define for TARGET_QUICKCALL.
14213 (RETURN_IN_MEMORY): Don't return small structs in regs.
14215 * h8300.c (const_costs): -4 and 4 are cheap on the h8300h.
14216 (notice_update_cc): Remove references to "value2" field.
14218 * h8300.c (dosize): Remove unused "fped" argument. All callers
14219 changed. Handle add/sub of 5-8 bytes efficiently on the h8300h.
14221 * h8300.c (print_operand): Handle new 'R' case for accessing
14222 the 8-bit area. Make code for 'Y' fall into code for 'R' when
14223 operand is not a register. Update some comments.
14224 (h8300_tiny_data_p): New function.
14225 (h8300_valid_machine_decl_attribute): Handle "tiny_data" attribute.
14226 * h8300.h (OK_FOR_U): Handle memory references into 8-bit area.
14227 (ENCODE_SECTION_INFO): Mark SYMBOL_REFs which refer to 8-bit area.
14228 * h8300.md (many patterns): Use 'R' rather than 'X' for
14229 operands that may be memory accesses into the 8-bit area.
14230 (btst pattern): New pattern to set the cc0 (zbit) based on
14231 data in the 8-bit area.
14233 * h8300.md (one_cmplsi2): Fix length computation for h8300h.
14235 Fri Apr 12 14:34:39 1996 Doug Evans <dje@cygnus.com>
14237 * arm.md (*ldmsi,*stmsi): Use (mem (match_operand ...))
14238 to avoid using indirect_operand (reload problems).
14239 * arm/semi.h (CPP_PREDEFINES): Define __semi__ instead of semi.
14240 * arm/aout.h (ASM_GENERATE_INTERNAL_LABEL): Use LOCAL_LABEL_PREFIX.
14241 (ASM_OUTPUT_ADDR_{VEC,DIFF_ELT}): Likewise.
14243 Fri Apr 12 09:43:30 1996 Jason Merrill <jason@yorick.cygnus.com>
14245 * dbxout.c (dbxout_typedefs): Don't emit incomplete types yet.
14246 (dbxout_symbol): Use DECL_ARTIFICIAL to recognize C++ implicit
14249 Thu Apr 11 21:56:26 1996 Doug Evans <dje@cygnus.com>
14251 * i386/t-winnt (winnt.o): Rewrite based on .c.o rule.
14252 (oldnames.o,spawnv.o): Add rules for.
14254 Thu Apr 11 07:25:06 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
14256 * calls.c (expand_call): In inlining case, if BEFORE_CALLS is
14257 zero, start looking at first insn.
14259 * expr.c (preexpand_calls, case CALL_EXPR): Rework to properly
14260 avoid expanding functions returning variable size objects.
14262 * integrate.c (expand_inline_function): When comparing types
14263 of formal and actual, use TYPE_MAIN_VARIANT.
14265 Thu Apr 11 00:48:29 1996 Jeffrey A. Law <law@cygnus.com>
14267 * h8300/lib1funcs.asm (modnorm): New function(s). Like divnorm,
14268 but gets the sign bit right for modulo operations.
14269 (__modhi3, modsi3): Use modnorm.
14271 * h8300.c (dosize): On h8300h, do 4 byte adjusts using adds and subs.
14272 * h8300.h (LONG_LONG_TYPE_SIZE): Always make this 32bits.
14273 Reverses change from Apr 2, 1996.
14275 Wed Apr 10 18:39:52 1996 Doug Evans <dje@canuck.cygnus.com>
14277 * sparc.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
14278 (FUNCTION_PROFILER): Use ASM_GENERATE_INTERNAL_LABEL instead.
14280 * sparc.c (sparc_override_options): 90c701 renamed to tsc701.
14281 (eligible_for_epilogue_delay_slot): Don't allow anything if
14282 -mbroken-saverestore.
14283 (output_function_prologue): Only use trivial save's if
14284 -mbroken-saverestore.
14285 * sparc.h (CPP_SPEC): Handle -mcpu={sparclet,tsc701}.
14286 (ASM_SPEC): Likewise.
14287 ({MASK,TARGET}_BROKEN_SAVERESTORE): Define.
14288 (enum processor_type): 90C701 renamed to TSC701.
14289 * sparc.md (attr cpu): 90c701 renamed to tsc701.
14290 * sparc/splet.h (SUBTARGET_SWITCHES): Recognize -mbroken-saverestore.
14292 Wed Apr 10 17:56:02 1996 Stan Cox <coxs@dg-rtp.dg.com>
14294 * m88k/dgux.h (EXTRA_SPECS): Define.
14295 (ASM_SPEC,CPP_SPEC,STARTFILE_SPEC): Use EXTRA_SPECS.
14296 * m88k/dguxbcs.h (ASM_SPEC,CPP_SPEC,STARTFILE_SPEC): Use EXTRA_SPECS.
14297 * m88k/m88k.c (output_ascii) Output literal HT.
14299 Wed Apr 10 17:28:37 1996 James Carlson (carlson@xylogics.com)
14301 * configure: Work around AIX bug when defining SUBDIRS.
14303 Wed Apr 10 17:22:42 1996 Paul Eggert <eggert@twinsun.com>
14305 * cexp.y (parse_number): Don't reject long long constants unless
14308 Wed Apr 10 17:19:56 1996 Stephen L. Moshier (moshier@world.std.com)
14310 * real.c (e64toe): Properly distinguish between NaN and infinity
14311 bit patterns for real-words-big-endian targets.
14313 Wed Apr 10 17:17:26 1996 Richard Earnshaw (rearnsha@armltd.co.uk)
14315 * real.c (endian): Add two explicit casts.
14316 (e64toe): Support ARM extended precision fp format.
14317 Check negative infinities properly for NaNs.
14318 (toe64): Support ARM extended precision fp format.
14320 Tue Apr 9 12:53:31 1996 Doug Evans <dje@canuck.cygnus.com>
14322 * i386/gas.h (ASM_OUTPUT_ALIGN): Define and use .balign.
14324 Tue Apr 9 12:48:45 1996 Stephen L Moshier (moshier@world.std.com)
14326 * sparc.c (fp_zero_operand): Exclude -0.0.
14328 Tue Apr 9 07:11:24 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
14330 * alpha.c: Fix typo in last change.
14332 * tree.c (substitute_in_expr): Don't return new expression if
14334 (substitute_in_type): Deleted, not used.
14335 * tree.h (substitute_in_type): Delete declaration.
14337 Mon Apr 8 16:30:18 1996 Jeffrey A. Law <law@cygnus.com>
14339 * flow.c (find_auto_inc): Also make sure there aren't
14340 any sets of the incremented register between the memory
14341 reference and increment insn.
14343 Mon Apr 8 15:41:14 1996 John Polstra (jdp@polstra.com)
14345 * configure (i[3456]86-*-freebsdelf*): New target.
14346 * i386/freebsd-elf.h: New file.
14347 * i386/x-freebsd (USER_H): New define; to null.
14349 Mon Apr 8 14:44:41 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
14351 * c-decl.c (finish_function): Always warn if main doesn't return int.
14353 Mon Apr 8 13:01:37 1996 Michael Meissner <meissner@tiktok.cygnus.com>
14355 * rs6000.c (got_operand): New function, returns true if the
14356 operand can go in V.4's GOT.
14357 (rs6000_pic_register): New variable.
14358 (output_epilog): Reset rs6000_pic_register.
14360 * rs6000.h (rs6000_pic_register, got_operand, flag_pic): Add decls.
14361 (PREDICATE_CODES): Add got_operand.
14363 * rs6000.md (movsi): Add support for V.4's -fpic and -FPIC.
14364 (init_v4_pic): Initialize the V4 pic register if needed.
14365 (call patterns): If -fpic/-fPIC, call function with @plt suffix.
14367 * t-eabigas (MULTILIB_DIRNAMES): Remove errant pic directory.
14369 * rs6000.c (output_prolog): Correctly store & restore the
14370 arguments to main in their correct save location, when calling the
14373 Mon Apr 8 13:01:37 1996 David Reese <Dave.Reese@East.Sun.COM>
14375 * rs6000.c (print_operand): Use reg_names to print registers.
14377 Fri Apr 5 00:40:19 1996 Jeffrey A. Law <law@cygnus.com>
14379 * h8300.c (h8300_valid_machine_decl_attribute): Use underscores,
14380 not dashes in attributes.
14381 (h8300_funcvec_function_p): Corresponding changes.
14382 (h8300_interrupt_function_p): Likewise.
14384 * pa.h (INIT_CUMULATIVE_INCOMING_ARGS): Initialize "indirect"
14387 Thu Apr 4 12:52:11 1996 Jim Wilson <wilson@chestnut.cygnus.com>
14389 * loop.c (combine_givs): Use new macro GIV_SORT_CRITERION.
14390 New variable giv_array. Loop over giv_array instead of following
14392 (giv_sort): New function.
14393 * sh.h (GIV_SORT_CRITERION): Define.
14395 * c-typeck.c (push_init_level): When output alignment for structure
14396 field, add check to verify it is the next field to be output.
14398 Thu Apr 4 12:19:26 1996 David Mosberger-Tang <davidm@AZStarNet.com>
14400 * alpha.c: Don't include stamp.h for Linux-based GNU systems.
14402 Thu Apr 4 12:17:08 1996 Richardg Kenner (kenner@vlsi1.ultra.nyu.edu)
14404 * objc/Makefile: Rename thread* to thr*.
14405 * objc/thread.c: Rename thread-* to thr-*.
14406 * objc/thr-decosf1.c: Renamed from thread-decosf1.c
14407 * objc/thr-irix.c: Renamed from thread-irix.c.
14408 * objc/thr-single.c: Renamed from thread-single.c.
14409 * objc/thr-solarius.c: Renamed from thread-solaris.c.
14410 * objc/thr-win32.c: Renamed from thread-win32.c.
14411 * objc/objc-api.h: Include thr.h, not thread.h.
14412 * objc/runtime.h, objc/sarray.h: Likewise.
14414 * i386.md (ashldi3_const_int): Don't recognize if won't match
14415 constraint of operand 2.
14417 Thu Apr 4 11:40:55 1996 Michael Meissner <meissner@tiktok.cygnus.com>
14419 * config/fp-bit.c (EXTENDED_FLOAT_STUBS): If EXTENDED_FLOAT_STUBS
14420 is defined, define all of the XF/TF functions that might be
14421 generated that we don't have code for yet.
14423 * i960/t-(vxworks960,960bare): (LIB2FUNCS_EXTRA): Make and
14424 compile xp-bits.c that defines EXTENDED_FLOAT_STUBS.
14426 From: steve chamberlain <sac@slash.cygnus.com>
14427 * i386/x-cygwin32 (LANGUAGES): Delete.
14428 * i386/xm-cygwin32.h (EXECUTABLE_SUFFIX): Set to .exe.
14429 * rs6000/xm-cygwin32.h (EXECUTABLE_SUFFIX): Set to .exe.
14431 Wed Apr 3 14:10:16 1996 Jim Wilson <wilson@chestnut.cygnus.com>
14433 * expr.c (emit_push_insn): Clobber register only if it is non-zero.
14435 Wed Apr 3 11:31:55 1996 Jeffrey A. Law <law@cygnus.com>
14437 * h8300.h (h8300_funcvec_function_p): Declaration moved here.
14438 * h8300.c (h8300_funcvec_function_p): Declaration removed from here.
14439 * h8300.md (tstqi): Tweak to work like other tstXX patterns.
14440 (cmphi): Turn into a define_expand. Add two anonymous
14441 matterns to match the output of the cmphi expander.
14442 (cmpsi): Accept constants as the second input operand.
14444 Tue Apr 2 13:52:30 1996 Jeffrey A. Law <law@cygnus.com>
14446 * h8300.md (movqi_internal): Remove useless alternative(s). Fix
14447 lengths and simplify by reordering remaining alternatives.
14448 (movstrictqi, movhi_internal, movstricthi): Likewise.
14449 (movsi_h8300h, movsf_h8300h): Likewise.
14451 * h8300/h8300.c (extra_pop): Remove unused variable.
14452 (current_function_anonymous_args): Likewise.
14453 (function_prologue): Remove incorrect varargs/stdarg
14455 (function_epilogue): Likewise.
14456 (function_arg): Never pass unnamed arguments in registers.
14457 * h8300.h (LONG_LONG_TYPE_SIZE): Use 64bits when ints are 32bits.
14458 (SETUP_INCOMING_VARARGS): Remove definition.
14460 Mon Apr 1 16:59:48 1996 Ian Lance Taylor <ian@cygnus.com>
14462 * fixincludes: Fix signal prototype on SunOS to avoid pedantic C++
14465 Mon Apr 1 16:16:34 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
14467 * expr.c (get_inner_reference): When finding mode to access bitfield
14468 that ends up properly aligned, use mode class of its type unless
14469 type's mode was BLKmode.
14471 Mon Apr 1 13:45:30 1996 Jeffrey A. Law <law@cygnus.com>
14473 * h8300.c (interrupt_handler): Renamed from pragma_interrupt.
14474 All references changed.
14475 (function_prologue): Set interrupt_handler if the current
14476 function has the "interrrupt-handler" attribute.
14477 (small_call_insn_operand): New function.
14478 (h8300_interrrupt_function_p): New function.
14479 (h8300_funcvec_function_p): New function.
14480 (h8300_valid_machine_decl_attribute): New function.
14481 * h8300.h (VALID_MACHINE_DECL_ATTRIBUTE): Define.
14482 * h8300.md (call insns): Handle calls through the
14483 function vector. Indirect calls and calls through
14484 the function vector have a length of two bytes.
14486 See ChangeLog.10 for earlier changes.
14488 Use a consistent time stamp format in ChangeLog entries.
14489 Not everyone has Emacs 20 yet, so stick with Emacs 19 format for now.
14492 add-log-time-format: current-time-string