1 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
3 * mips/mips16.S: Various changes to make it work with -msingle-float
6 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
7 Ian Lance Taylor <ian@cygnus.com>
8 Jeff Law <law@cygnus.com>
10 * mips.c, mips.h, mips.md: First cut at merging in mips16
11 support. Major modifications throughout all three files.
13 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
15 * configure.in: Make gthr-default.h a forwarding header instead of
18 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20 * gcov-io.h: Include sys/types.h to ensure we get size_t.
22 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
24 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
25 Jeffrey A Law (law@cygnus.com)
27 * crtstuff.c (__frame_dummy): New function for irix6.
28 (__do_global_ctors): Call __frame_dummy for irix6.
29 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
31 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
33 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
35 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
37 * c-decl.c (init_decl_processing): Provide proper fallback symbol
39 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
40 not INTEGER_CST. Assert arg 3 is a constant.
42 * alpha.c (mode_width_operand): Accept 64-bit modes.
43 (mode_mask_operand): Likewise.
44 (print_operand): Likewise for 'M' and 'U' codes.
45 (alpha_expand_unaligned_load): New function.
46 (alpha_expand_unaligned_store): Likewise.
47 (alpha_expand_unaligned_load_words): Likewise.
48 (alpha_expand_unaligned_store_words): Likewise.
49 (alpha_expand_block_move): Likewise.
50 (alpha_expand_block_clear): Likewise.
51 * alpha.h (MOVE_RATIO): New define.
52 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
53 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
55 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
56 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
58 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
60 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
63 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
65 * emit-rtl.c (operand_subword): Correctly handle extracting a word
66 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
68 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
71 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
73 * configure.in: Set and subsitute host_exeext. Use it when creating
74 the assembler and linker symlinks.
76 * Makefile.in (exeext): Set to @host_exeext@.
77 (build_exeext): New variable, set to @build_exeext@.
78 (FLAGS_TO_PASS): Pass down build_exeext.
79 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
82 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
84 * mn10200.md (addsi3, subsi3): Fix thinkos.
86 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
88 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
89 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
90 unix always, since we want to be able to thunk to functions in a
91 shared library from an application.
93 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
95 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
96 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
98 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
100 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
101 offset's mode is not ptr_mode, convert it.
103 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
105 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
106 compiling if it was already defined.
108 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
110 * flow.c (find_basic_blocks): Don't create a new basic block
111 for calls in a LIBCALL block.
113 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
115 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
117 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
119 * cse.c (rtx_cost): Remove conflicting default case.
121 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
123 * configure.in: Move default enabling of Haifa out of for loop.
124 * configure: Rebuild.
126 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
128 * version.c: Bump for snapshot.
130 1997-12-25 Teemu Torma <tot@trema.com>
132 * Makefile.in (GTHREAD_FLAGS): New var.
133 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
134 (distclean): Remove gthr-default.h.
136 * configure.in: Accept dce as a thread package.
137 Check for thread.h and pthread.h.
138 Link gthr-default.h to appropriate thread file and set
140 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
141 include multilib definitions from pa/t-dce-thr.
142 (sparc-*-solaris2*): Enable threads by default, if thread.h or
143 pthread.h is found, preferring posix threads over solaris ones.
145 * config/pa/t-dce-thr: New file.
146 * config/pa/t-pa: Removed multilibs.
147 * config/sparc/t-sol2: Ditto.
150 * gthr-single.h: New file.
151 * gthr-posix.h: New file.
152 * gthr-solaris.h: New file.
153 * gthr-dce.h: New file.
154 * libgcc-thr.h: Removed.
155 * objc/thr-dce.c: New file copied from thr-decosf1.c.
157 * frame.c: Include gthr.h instead of libgcc-thr.h.
158 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
159 (eh_context_initialize): If __gthread_once fails, use static eh
161 (eh_context_free): Call __gthread_key_dtor.
163 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
165 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
167 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
169 * cse.c (max_insn_uid): New variable.
170 (cse_around_loop): Use max_insn_uid.
171 (cse_main): Set max_insn_uid.
173 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
174 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
175 -mlong64, and -mgp{32,64} options.
176 * mips.c (mips_abi): Change type to int.
177 * mips.h (enum mips_abi_type): Delete.
178 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
179 (mips_abi): Change type to int.
181 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
183 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
184 optimization is now always enabled.
186 * calls.c (expand_call): Recognize C++ operator new as malloc-like
189 * alias.c (memrefs_conflict_p): Eliminate tests now done by
191 (*_dependence): Call canon_rtx before base_alias_check.
192 (init_alias_once): New function to precompute set of registers which
193 can hold Pmode function arguments.
195 * rtl.h: Declare init_alias_once.
197 * toplev.c (compile_file): Call init_alias_once.
199 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
201 * tree.c (restore_tree_status): Do not dereference a null pointer.
203 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
205 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
206 RLIMIT_STACK. This maintains consistency with the recent, similar
207 patch to cccp.c and toplev.c.
209 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
211 * genattrtab.c (expand_units): For large nr opclasses, expand
212 function_units_used with ORX to prevent blowups. Tag with FFS.
213 (num_unit_opclasses): New variable.
214 (gen_unit): Update it.
215 (enum operator): Add ORX_OP.
216 (operate_exp): Treat ORX as or, except don't expand across an if.
217 Reuse number rtx's after operating on them.
218 (check_attr_value): Accept IOR, AND, & FFS.
219 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
220 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
221 (write_expr_attr_cache, write_toplevel_expr): New functions.
222 (write_attr_get): Handle FFS-tagged expressions.
223 (make_canonical): Don't expand const attributes.
224 (convert_const_symbol_ref): Dike out.
225 (evaluate_eq_attr): Handle SYMBOL_REF.
226 (main): Don't emit get_attr_foo for const attributes.
228 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
229 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
230 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
231 * alpha.md: Redo all of the scheduling, adding EV6 support, and
232 combining function units where possible.
233 (attr "type"): Split loads, stores, cmov into int/fp. Combine
234 multiplies and divides. Add EV6 sqrt, ftoi, itof.
235 (attr "opsize"): New attribute.
236 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
237 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
238 to control register allocation.
239 (movsi2-1, movdi2-1): Likewise.
241 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
243 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
244 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
245 Move OSF/1 specific defines out.
246 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
247 Move Linux specific defines out.
248 (LINK_SPEC): Genericize.
249 (ASM_FILE_START): Emit .arch if using more than the base insn set.
250 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
251 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
252 (HANDLE_SYSV_PRAGMA): Define.
253 * alpha/osf.h: New file.
254 * alpha/linux.h: Split. Retain file-format independant defines.
255 Import Linux bits from elf.h.
256 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
257 (FUNCTION_PROFILER): _mcount takes its address in $28.
258 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
259 * alpha/linux-ecoff.h: New file.
260 * alpha/linux-elf.h: New file.
261 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
262 * alpha/win-nt.h (TARGET_DEFAULT): Define.
263 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
264 Add new headers as appropriate.
266 * configure.in (alpha*): Enable Haifa by default.
267 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
268 * configure: Rebuild.
270 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
272 * Makefile.in (clean): Remove the stages with their objects here ...
273 (distclean): ... instead of here.
275 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
277 * cse.c (rtx_cost): Add default case in enumeration switch.
278 * fix-header.c (recognized_macro): Likewise.
279 (recognized_extern): Likewise.
280 (write_rbrac): Likewise.
281 * objc/objc-act.c (encode_aggregate): Likewise.
282 (gen_declarator): Likewise.
283 (gen_declspecs): Likewise.
285 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
287 * haifa-sched.c (create_reg_dead_note): Detect and handle another
288 case where we kill more regs after sched than were killed before
290 * sched.c (create_reg_dead_note): Similarly.
292 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
294 * c-pragma.c: Include flags.h.
296 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
298 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
299 about system headers.
300 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
301 and also to resolve symbols in prefix.c.
303 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
304 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
305 when the definitions in auto-config.h is not visible.
306 (HAVE_BZERO): Likewise.
307 (HAVE_BCMP): Likewise.
308 (HAVE_RINDEX): Likewise.
309 (HAVE_INDEX): Likewise.
311 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
313 * pa.c (emit_move_sequence): Handle a function label source
316 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
318 * c-pragma.c (handle_pragma_token): Generate warning messages
319 about unknown pragmas if warn_unknown_pragmas is set.
321 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
322 line option to set variable: warn_unknown_pragmas.
324 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
326 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
328 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
330 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
332 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
333 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
334 generate more fine grained floating point emulation libraries.
335 * config/fp-bit.c: Add protecting #ifdef to all functions so
336 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
337 then compile all suitable functions.
338 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
339 underscores to avoid namespace pollution.
340 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
342 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
346 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
347 Jeff Law <law@cygnus.com>
349 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
351 * c-decl.c (finish_decl): Use parentheses around && within ||.
352 * rtl.c: Include stdlib.h.
353 (read_skip_spaces): Add parentheses around assignments used as
355 (read_rtx): Initialize list_rtx.
356 * cppexp.c (parse_number): Use || when operands are truth values.
357 * alias.c (find_base_value): Add default case.
358 (memrefs_conflict): Likewise.
359 * combine.c (sets_function_arg_p): Likewise.
360 * genemit.c (gen_exp): Likewise.
361 * local-alloc.c (contains_replace_regs): Likewise.
362 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
363 * fold-const.c (fold_convert): Use "&&" for truth values.
364 (fold): Add default case.
365 * sdbout.c (sdbout_field_types): Fix typo in declaration.
366 (sdbout_one_type): Add default case.
367 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
368 (some_operand): Add default case.
369 (input_operand): Likewise.
370 (signed_comparison_operator): Likewise.
371 (divmod_operator): Likewise.
372 (alpha_set_memflags_1): Likewise.
373 * reload1.c (reload_cse_simplify_operands): Ensure function
374 always returns a value.
375 * scan-decls.c (scan_decls): Likewise.
376 * c-lex.c (skip_white_space): Fix typo in declaraion.
377 * c-typeck.c (comp_target_types): Add parentheses around assignment
379 (print_spelling): Likewise.
380 (constructor_implicit, constructor_result): Remove unused variables.
381 * collect2.c (scan_library): Protect prototype with
382 #ifdef SCAN_LIBRARIES.
383 * emit-rtl.c (find_line_note): Fix typo in declaration.
384 * final.c (asm_insn_count): Protect prototype with
385 #ifdef HAVE_ATTR_length.
386 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
387 (try_pre_increment_1, try_pre_increment): Likewise.
388 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
389 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
390 * gcov-io.h (__store_long, __write_long, __read_long): Fix
391 unsigned/signed comparisons.
392 * gcov.c (read_files): Remove unused "first_type" variable.
393 (scan _for_source_files): Initialize s_ptr.
394 (function_summary): Eliminate "%lf" formatting, use %ld for
396 (output_data): Initialize branch_probs and last_line_num.
397 Eliminate "%lf" formatting, use "%ld" for longs.
399 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
401 * mips16.S: New file.
403 * libgcc2.c (varargs): Handle mips16.
405 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
407 * stmt.c (expand_end_case): Likewise.
408 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
409 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
410 * rs6000.h, sh.h, tahoe.h, v850.h vax.h z8k.h: Likewise.
412 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
414 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
416 (libobjc.a): Update dependency list.
417 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
419 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
420 (objc.mostlyclean): Remove runtime-info.h.
422 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
424 * tree.c (build_range_type): Allow creation of ranges with no maximum.
425 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
426 * dwarf2out.c (add_subscript_info): Likewise.
427 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
428 * sdbout.c (plain_type_1): Likewise.
429 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
431 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
434 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
436 * mips.c (fatal): Remove declaration.
438 1997-12-18 Mark Mitchell <mmitchell@usa.net>
440 * integrate.c (get_label_from_map): New function.
441 (expand_inline_function): Use it. Initialize the label_map to
442 NULL_RTX instead of gen_label_rtx.
443 (copy_rtx_and_substitute): Use get_label_from_map.
444 * integrate.h (get_label_from_map): New function.
445 (set_label_from_map): New macro.
446 * unroll.c (unroll_loop): Use them.
447 (copy_loop_body): Ditto.
449 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
451 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
452 (INIT_TARGET_OPTABS): Define.
453 * mips/ecoff.h: Include gofast.h before mips.h.
454 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
455 * mips/elf64.h: Likewise.
456 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
458 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
460 * except.c: Remove register_exception_table{,_p}.
462 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
464 * unroll.c (calculate_giv_inc): Handle constant increment found in
465 a MEM with an appropriate REG_EQUAL note.
467 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
469 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
470 frame pointer in the prologue.
472 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
474 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
475 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
477 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
479 * config/m68k/m68k.c (output_function_prologue): Typecast
480 dwarf2out_cfi_label to (char *).
481 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
483 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
485 * sparc.md (jump): Don't use the annul bit around an empty loop.
486 Patch from Kevin.Kelly@East.Sun.COM.
488 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
490 * jump.c: (optimize_jump): Don't use the return register as a
491 source1 of a conditional move.
493 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
495 * sparc.c (DF_MODES): Or the mask not the bit number.
496 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
498 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
500 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
502 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
504 * fixincludes (size_t): Add support for Motorola's stdlib.h
505 which fails to provide a definition for size_t.
506 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
507 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
508 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
510 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
511 prevent unresolved externals in libio.
512 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
514 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
516 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
517 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
518 (LIB_SPEC): Updated for glibc 2.
520 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
522 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
523 * ginclude/varargs.h: Likewise.
525 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
527 * version.c: Bump for snapshot.
529 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
531 * frame.h (__register_frame, __register_frame_table,
532 __deregister_frame): New.
533 * frame.c (__register_frame, __register_frame_table,
534 __deregister_frame): New.
535 * frame.c (__deregister_frame_info): Return void *.
536 * frame.h (__deregister_frame_info): Ditto.
537 * collect2.c (__deregister_frame_info): Ditto.
539 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
541 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
543 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
545 * alpha.c (alpha_cpu_name): New variable.
546 (alpha_mlat_string): Likewise.
547 (alpha_memory_latency): Likewise.
548 (override_options): Handle -mmemory-latency.
549 (alpha_adjust_cost): Adjust load cost for latency.
550 * alpha.h (TARGET_OPTIONS): Add meory-latency.
551 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
552 TARGET_CIX into account.
553 (MEMORY_MOVE_COST): Define in terms of memory_latency.
554 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
556 * alpha.h (ASM_COMMENT_START): New macro.
558 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
560 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
561 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
563 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
564 SUBREG_REG if the word count is unchanged.
565 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
566 subregs of identical word size for push_reload.
568 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
570 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
571 if all we're doing is dealing with -Wreturn-type.
573 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
575 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
576 Use and 255 instead of zapnot 1, since it schedules better.
578 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
580 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
583 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
585 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
586 dependency we delete. Properly update prev for multiple consecutive
588 (priority): Skip deleted dependence.
590 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
592 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
594 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
596 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
597 determining when a new basic block starts.
599 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
601 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
602 * pa.md (iorsi3): Add missing args to *_operand calls.
604 * except.c (call_get_eh_context): Don't mess with sequences.
605 (emit_eh_context): Include the call in the sequence here.
607 1997-12-11 Paul Eggert <eggert@twinsun.com>
609 * collect2.c (write_c_file_glob): Allocate initial frame object
610 in static storage and pass its address.
612 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
614 * except.c (call_get_eh_context): Don't take a parm.
615 Put the call at the top of the function.
616 (emit_eh_context): Adjust.
617 (get_eh_context): Replace with former use_eh_context.
618 (get_eh_context_once, get_saved_pc_ref): Remove.
619 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
621 * integrate.c (expand_inline_function): Adjust.
622 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
624 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
626 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
627 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
629 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
631 * fixincludes (strlen,strspn,strcspn return value): Handle different
633 (hypot): Provide a fake for hypot which is broken on
636 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
638 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
639 tree_code_name from pointers to arrays.
640 * tree.c: Remove standard_tree_code_* variables, no longer used.
641 * print-tree.c: Remove declaration of tree_code_name.
643 * cp/lex.c (init_lex): Update for tree_code_* changes.
644 * objc/objc-act.c (init_objc): Likewise.
646 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
649 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
651 * config.sub: Add support for BeOS target.
652 * configure.in: Likewise.
653 * ginclude/stdarg.h: Likewise.
654 * ginclude/stddef.h: Likewise.
655 * ginclude/varargs.h: Likewise.
656 * rs6000/beos.h: New file for BeOS.
657 * rs6000/t-beos: Likewise.
658 * rs6000/x-beos: Likewise.
659 * rs6000/xm-beos.h: Likewise.
660 * toplev.c (get_run_time): Just return 0 on BeOS.
662 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
663 Toon Moene (toon@moene.indiv.nluug.nl)
665 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
666 old and broken Sun3 assemblers. Newer versions handle large
667 offsets correctly as does the GNU assembler.
669 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
671 * objc/objc-act.c (lang_report_error_function): Disable.
672 * objc/objc-parse.y: Include "output.h".
673 (yyerror): Remove redundant decl.
674 (yyprint): Fix prototype.
675 (apply_args_register_offset): Remove redundant decl.
676 (get_file_function_name): Likewise.
678 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
680 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
682 (find_basic_blocks_1): Likewise.
684 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
686 * except.c (use_eh_context): Don't copy_rtx a REG.
687 (emit_throw): Lose old unwinder support.
688 (expand_internal_throw): Likewise.
689 * libgcc2.c (struct eh_context): Likewise.
690 (new_eh_context): Likewise.
691 (__get_eh_info): Lose redundant cast.
692 (__get_dynamic_handler_chain): Likewise.
693 (__get_saved_pc): Lose.
694 Lose all old unwinder support code.
696 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
698 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
700 * integrate.c (expand_inline_function): If the inline fn uses eh
701 context, make sure that the current fn has one.
702 * toplev.c (rest_of_compilation): Call emit_eh_context.
703 * except.c (use_eh_context): New fn.
704 (get_eh_context_once): New fn.
705 (call_get_eh_context): New fn.
706 (emit_eh_context): New fn.
707 (get_eh_context): Call either get_eh_context_once or
708 call_get_eh_context, depending on what we have.
709 (get_dynamic_handler_chain): Call get_eh_context_once.
710 * except.h: Prototypes for fns above.
711 * optabs.c (get_eh_context_libfunc): Removed.
712 (init_optabs): Don't initialize it.
713 * expr.h (get_eh_context_libfunc): Removed.
714 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
715 * config/pa/pa.h (CPP_SPEC): Support for -threads.
716 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
717 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
718 New multilib for -threads.
719 * config/sparc/t-sol2: Added multilibs for -threads and
720 made -pthreads alias to it.
721 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
722 Added -threads and -pthreads options.
723 * libgcc-thr.h: New file.
724 * libgcc2.c: (__get_cpp_eh_context): Removed.
725 (struct cpp_eh_context): Removed.
726 (struct eh_context): Replaced cpp_eh_context with generic language
728 (__get_eh_info): New function.
729 (__throw): Check eh_context::info.
731 * libgcc2.c: Include libgcc-thr.h.
732 (new_eh_context, __get_eh_context,
733 eh_pthread_initialize, eh_context_initialize, eh_context_static,
734 eh_context_specific, eh_context_free): New functions.
735 (get_eh_context, eh_context_key): New variables.
736 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
737 get_eh_context to get the context.
738 (longjmp): Move the declaration inside
739 #ifdef DONT_USE_BUILTIN_SETJMP.
740 * frame.c: Include libgcc-thr.h.
741 (object_mutex): Mutex to protect the object list.
742 (find_fde, __register_frame, __register_frame_table,
743 __deregister_frame): Hold the lock while accessing objects.
744 * except.h (get_eh_context): Declare.
745 * except.c (current_function_ehc): Define.
746 (current_function_dhc, current_function_dcc): Removed.
747 (get_eh_context): New function.
748 (get_dynamic_handler_chain): Use get_eh_context.
749 (get_saved_pc_ref): Ditto.
750 (get_dynamic_cleanup_chain): Removed references to
751 current_function_dcc.
752 (save_eh_status, restore_eh_status): Save and restore
753 current_function_ehc instead.
754 * optabs.c (get_eh_context_libfunc): New variable.
755 (init_optabs): Initialize it.
756 * expr.h: Declare get_eh_context_libfunc.
757 * function.h (struct function): Replaced dhc and dcc with ehc.
758 * except.c (get_saved_pc_ref): New functions.
759 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
760 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
762 (end_eh_unwinder): Likewise.
763 (init_eh): Remove initialization of eh_saved_pc.
764 * optabs.c (get_saved_pc_libfunc): New variable.
765 (init_optabs): Initialize it.
766 * expr.h: Declare get_saved_pc_libfunc.
767 * except.h (eh_saved_pc_rtx): Deleted.
768 (get_saved_pc_ref): Declared.
770 From Scott Snyder <snyder@d0sgif.fnal.gov>:
771 * libgcc2.c (__get_saved_pc): New.
772 (__eh_type, __eh_pc): Deleted.
773 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
774 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
777 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
779 * sparc/sol2.h: Use 64 bit multiply and divide functions in
780 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
783 * rtl.h (global_rtl): New variable, replacing separate variables for
785 (const_int_rtx): Now array of rtx_def, not rtx.
786 * emit-rtl.c: Update for new rtl data structures.
787 * genattrtab.c: Define global_rtl.
789 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
791 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
794 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
796 * crtstuff.c (__do_global_ctors): Fix typo.
798 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
800 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
801 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
803 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
805 * rs6000.h (FUNCTION_ARG_PADDING): Define.
806 * rs6000.c (function_arg_padding): New function.
808 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
810 * m68k.c: Include tree.h only once.
812 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
814 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
816 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
818 * Partially cleaned up prototyping code from HJ.
819 * tree.h: Add many prototypes.
820 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
821 All references changed.
822 * rtl.h: Protect from multiple inclusions. Add many prototypes.
824 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
826 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
827 string functions like strlen.
829 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
831 * configure.in: Check for functions getrlimit and setrlimit.
832 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
833 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
835 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
837 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
839 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
841 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
844 * alpha.c (override_options): Don't know about scheduling for EV6.
845 * alpha.md (ev5 function units): Don't overload as ev6.
847 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
848 * alpha.md (define_attr type): Add mvi.
849 (ev5_e0): Define sceduling parameters for it.
850 (TARGET_MAX insns): Type is mvi not shift.
852 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
854 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
856 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
858 * cstamp-h, auto-config.h: Delete.
860 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
862 * version.c: Bump for snapshot.
864 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
866 * cccp.c: Fix typo brought over in merge.
868 * Merge in changes from gcc-2.8.
870 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
872 * m68k.c: Include tree.h for dwarf2out_cfi_label.
874 * gcc.c (process_command): Do not take address of function fatal when
875 calling lang_specific_driver.
877 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
879 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
880 doesn't work with it yet, so set it to 0.
881 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
883 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
885 * cse.c (cse_insn): Check for invalid entries when taking references.
887 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
889 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
890 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
891 * toplev.c (rest_of_compilation): Pass it. Remove code to
892 save / clear / restore flag_unroll_{,all_}loops.
894 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
896 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
898 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
900 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
902 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
904 * except.c (get_dynamic_handler_chain): Only make the call once per
907 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
909 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
911 * sh.c (final_prescan_insn): Use local label prefix
912 when emitting .uses pseudo-ops.
914 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
916 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
917 * except.c: Lose outer_context_label_stack.
918 (expand_eh_region_end): Rethrow from outer_context here.
919 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
920 (expand_internal_throw): Take no args.
921 (expand_internal_throw_indirect): Lose.
922 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
923 (expand_start_all_catch): Start a rethrow region.
924 (expand_end_all_catch): End it.
925 (expand_rethrow): New fn.
926 * except.h: Reflect above changes.
927 * flow.c: Revert change of Nov 27.
929 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
931 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
933 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
935 * except.c (expand_fixup_region_end): New fn.
936 (expand_fixup_region_start): Likewise.
937 (expand_eh_region_start_tree): Store cleanup into finalization here.
938 * stmt.c (expand_cleanups): Use them to protect fixups.
940 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
942 * mips/mips.md (muldi3_r4000): Broaden the output template
943 and attribute assignments to handle three operand dmult;
944 rename to muldi3_internal2.
945 (muldi3): Call the new muldi3_internal2 for R4000, and
946 any GENERATE_MULT3 chip.
948 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
950 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
952 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
954 * unroll.c (find_splittable_givs): Remove last change. Handle givs
955 with a dest_reg that was created by loop.
957 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
959 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
961 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
963 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
965 * configure.in: Fix NCR entries.
967 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
969 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
970 nested exceptions correctly.
972 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
973 that was created by loop.
975 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
977 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
979 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
981 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
983 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
984 (print_operand): Use SMALL_DATA_REG for the register involved in
985 small data relocations.
986 (print_operand_address): Ditto.
988 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
989 -dynamic linker is not used.
991 * rs6000.md (call insns): For local calls, use @local suffix under
992 System V. Don't use @plt under Solaris.
994 * rs6000.c (output_function_profiler): Put label address in r0, and
995 store LR in 4(sp) for System V/eabi.
997 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
998 byte boundary, and maintain stack backchain.
1000 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
1002 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
1003 fix_truncsfdi2): Change *.
1005 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
1007 * toplev.c (main): Complain about -gdwarfn.
1009 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
1011 * dwarfout.c (output_type): If finalizing, write out nested types
1012 of types we've already written.
1014 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
1016 (patches originally from Geoffrey Keating)
1017 * rs6000.c (function_arg): Excess floating point arguments don't
1018 go into GPR registers after exhausting FP registers under the
1020 (function_arg_partial_nregs): Ditto.
1022 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
1025 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
1027 * integrate.c (output_inline_function): Just unset DECL_INLINE.
1029 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
1031 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
1034 * libgcc2.c (__throw): Initialize HANDLER.
1036 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
1038 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
1039 fix_truncsfdi2): Change *X to ?*X.
1041 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
1043 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
1045 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
1047 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
1049 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
1051 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
1053 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
1055 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
1056 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
1059 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
1061 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
1062 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
1063 gas and not using the new HP assembler.
1065 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
1067 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
1068 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
1070 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
1072 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
1073 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
1076 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1078 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
1080 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
1082 * except.h: Add outer_context_label_stack.
1083 * except.c: Likewise.
1084 (expand_start_all_catch): Push the outer_context for the try block
1085 onto outer_context_label_stack.
1086 (expand_end_all_catch): Use it and pop it.
1088 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
1090 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
1092 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
1094 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
1096 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
1098 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
1099 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
1101 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
1103 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
1104 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
1105 __builtin_delete, and __builtin_vec_delete.
1107 * except.c (output_exception_table): Don't bother with
1110 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
1112 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
1113 is an in/out operand.
1114 (zero extended variants of stwm/stwm patterns): Similarly.
1116 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
1118 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
1120 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
1122 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
1123 (output_call_frame_info): Emit a \n after using it.
1125 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
1127 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
1129 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
1131 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
1132 (ASM_OUTPUT_DWARF_VALUE4): New macro.
1133 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
1135 (output_call_frame_info): Do not output forward label differences
1136 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
1137 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
1139 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1141 * sh.md (attribute "type"): Add nil.
1142 (movsi_ie): y/y alternative is type nil.
1143 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
1145 (movsf_ie+1): Delete.
1147 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
1149 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
1150 large_int, emit two insns instead of one splitable insn.
1151 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
1152 from cfa_temp_value, use cfa_offset. Add assert checking that
1155 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
1157 * cccp.c (deps_output): Properly quote file names for make.
1159 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
1161 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
1163 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
1165 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
1167 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
1169 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
1171 (cse_end_of_basic_block): Similarly.
1173 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
1175 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
1176 (SELECT_RTX_SECTION): Define.
1177 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
1179 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
1181 * Makefile.in (compare, compare-lean): Define $stage for each
1183 (gnucompare, gnucompare-lean): Likewise.
1185 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
1187 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
1189 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
1190 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
1192 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
1194 * dwarfout.c (byte_size_attribute): Add local var upper_bound
1195 and add case to handle STRING_TYPE.
1196 * dwarfout.c (output_string_type_die): Fix code to generate
1197 correct string length attribute for fixed length strings.
1198 Still needs support for varying length strings.
1200 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
1202 * toplev.c (get_run_time): Do something sensible for cygwin32.
1204 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
1206 * expr.c (expand_builtin_setjmp): Set
1207 current_function_has_nonlocal_label.
1208 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
1209 call-saved registers across calls.
1211 * alpha.md (exception_receiver): Remove.
1212 (nonlocal_goto_receiver_osf): New
1213 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
1214 (nonlocal_goto_receiver): New, select _osf or _vms.
1216 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
1217 keep them from being propogated to the object file.
1218 (alpha_write_linkage): Likewise.
1219 * alpha.md (call_vms): Likewise.
1220 (call_value_vms): Likewise.
1221 (unnamed osf call insns): Likewise.
1223 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
1224 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
1226 * alpha.c (call_operand): Any reg is valid for WinNT.
1227 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
1228 (anon nt calls): Add 'R' alternative.
1229 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
1230 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
1232 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
1234 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
1236 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
1237 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
1238 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
1240 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
1242 * reload1.c (new_spill_reg): Improve fixed or forbidden register
1243 spill error message.
1245 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1247 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
1248 use varargs.h. Wrap header with <>, not "".
1250 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
1252 * integrate.c (save_for_inline_copying): Add return value from
1255 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
1257 * fixincludes: Be a little more restrictive on what we will
1258 substitute to replace definitions of MAXINT for HPUX.
1260 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
1262 * dbxout.c (dbxout_symbol_location): Don't assume that variables
1263 whose address is the stack or argument pointers are indirect
1266 1997-11-13 Paul Eggert <eggert@twinsun.com>
1268 * cccp.c, cpplib.c (compare_defs):
1269 Don't complain about arg name respellings unless pedantic.
1270 * cpplib.c (compare_defs): Accept pfile as new arg.
1271 All callers changed.
1273 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1275 * fold-const.c (fold_truthop): Fix bug in last change.
1277 1997-11-13 Paul Eggert <eggert@twinsun.com>
1279 Fix some confusion with IEEE minus zero.
1281 * real.h (REAL_VALUES_IDENTICAL): New macro.
1283 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
1284 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
1286 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
1287 same tree structure as 0.0.
1289 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
1290 macro instead of doing it by hand.
1292 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
1294 * v850/lib1funcs.asm: Minor whitespace changes.
1295 * v850.c: Fix minor formatting problems in many places.
1296 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
1298 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
1300 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
1301 xplus1 when xplus0 is not a register.
1303 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
1305 * flow.c (find_basic_blocks): During marking phase, if we encounter
1306 an insn with a REG_LABEL note, make the target block live and
1307 create an edge from the insn to the target block. Do not make
1308 edges from all blocks to the target block.
1310 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
1312 * confiugre.in: Tweak NCR entries.
1313 * configure: Rebuilt.
1315 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
1317 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
1318 pick apart floating point values, instead of using CONST_DOUBLE_LOW
1319 and CONST_DOUBLE_HIGH.
1321 * rs6000.md (define_splits for DF constants): Use the appropriate
1322 REAL_VALUE_* interface to pick apart DF floating point constants in
1323 a machine independent fashion.
1325 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1327 * fold-const.c (fold_truthop): When changing a one-bit comparison
1328 against zero into a comparison against mask, do a proper sign
1331 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
1333 * except.c: Do not include "assert.h".
1334 (save_eh_status): Turn asserts into conditional aborts.
1335 (restore_eh_status, scan_region): Likewise.
1336 * dwarfout.c: Do not include "assert.h".
1337 (bit_offset_attribute): Turn asserts into conditional aborts.
1338 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
1339 (output_inlined_structure_type_die): Likewise.
1340 (output_inlined_union_type_die): Likewise
1341 (output_tagged_type_instantiation): Likewise.
1342 (dwarfout_file_scope_decl): Likewise.
1343 * dwarf2out.c: Do not include "assert.h"
1344 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
1345 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
1346 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
1347 (add_bit_size_attribute, scope_die_for): Likewise.
1348 (output_pending_types_for_scope): Likewise.
1349 (get_inlined_enumeration_type_die): Likewise.
1350 (get_inlined_structure_type_die): Likewise.
1351 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
1352 (gen_tagged_type_instantiation_die): Likewise.
1354 * flow.c (find_basic_blocks): Refine further to get a more correct
1355 cfg, especially in the presense of exception handling, computed
1356 gotos, and other non-trivial cases. Call abort if an inaccuracy
1357 is detected in the cfg.
1359 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1361 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
1363 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
1364 (skip_white_space): Use whitespace_cr.
1365 (check_newline): Handle whitespace more consistently.
1367 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
1369 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
1370 * i386/xm-cygwin32.h (POSIX): Define.
1372 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
1374 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
1375 is available elsewhere.
1377 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
1379 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
1380 what the instruction can handle.
1382 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
1384 * stmt.c (expand_decl_cleanup_no_eh): New fn.
1386 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
1388 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
1390 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
1391 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
1393 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
1395 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
1396 swap instruction order.
1398 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
1400 * fixinc.svr4 (__STDC__): Add another case.
1402 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1404 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
1405 addresses in the epilogue delay slot.
1407 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
1409 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
1410 in generated `specs' file.
1412 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
1414 * flags.h (flag_rerun_loop_opt): Declare.
1415 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
1416 * toplev.c (flag_rerum_loop_opt): Delete static.
1418 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1420 Bring over from FSF:
1422 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1424 * va-sh.h (__va_arg_sh1): Define.
1426 SH3E doesn't use any integer registers for subsequent arguments
1427 once a non-float value was passed in the stack.
1428 * sh.c (machine_dependent_reorg): If optimizing, put explicit
1429 alignment in front label for ADDR_DIFF_VEC.
1430 * sh.h (PASS_IN_REG_P): Fix SH3E case.
1431 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
1433 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1435 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
1438 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1440 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
1441 put an use_sfunc_addr before each sfunc.
1442 * sh.md (use_sfunc_addr, dummy_jump): New insns.
1443 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
1445 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1447 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
1449 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
1451 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
1454 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
1456 * alias.c (find_base_value): Only return the known base value for
1459 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
1461 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
1462 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
1464 (prologue_get_pc_and_set_got): New pattern.
1466 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
1468 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
1469 for SUBREG, just fall through.
1471 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
1473 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
1475 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
1477 * fixincludes: Fix "hypot" prototype in NeXT math.h.
1479 * Makefile.in (USE_ALLOCA): Always include alloca.o.
1480 (USE_HOST_ALLOCA): Likewise.
1482 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
1483 and LABEL_REFS fields.
1484 * rtl.h (LABEL_REFS): Update.
1486 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
1488 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
1489 sets i2dest. When calling distribute_notes for i3dest_killed, pass
1490 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
1493 * mips.md (insv, extzv, extv): Add change_address call.
1494 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
1496 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
1498 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
1500 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
1501 save_restore_insns if no FP and GP will be restored.
1503 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
1504 Convert CCmode to word_mode before calling GET_MODE_SIZE.
1506 * acconfig.h (HAVE_INTTYPES_H): Undef.
1507 * configure.in (inttypes.h): Check for conflicts between sys/types.h
1508 and inttypes.h, and verify that intmax_t is defined.
1509 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
1510 * config/mips/x-iris3: Likewise.
1512 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
1514 * alias.c (find_base_value): When copying arguments, return the
1515 tenative value for a hard register.
1517 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
1519 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
1520 (yylex): Record wide strings using target endianness, not host.
1522 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
1524 * mn10200.h (ASM_OUTPUT_BSS): Delete.
1525 (ASM_OUTPUT_ALIGNED_BSS): New macro
1526 * mn10300.h (ASM_OUTPUT_BSS): Delete.
1527 (ASM_OUTPUT_ALIGNED_BSS): New macro.
1528 * v850.h (ASM_OUTPUT_BSS): Delete.
1529 (ASM_OUTPUT_ALIGNED_BSS): New macro.
1531 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1533 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
1535 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
1537 * configure.in (sco5): Use cpio to install header files.
1539 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
1541 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
1543 * configure: Rebuild.
1545 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
1547 * i386/sco5.h: enable -gstabs once again.
1549 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
1551 * arm.c (output_move_double): Allocate 3 entries in otherops array.
1553 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
1555 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
1556 notes for sjlj exceptions too.
1557 (expand_eh_region_end): Similarly for EH_REGION_END notes.
1558 (exception_optimize): Optimize EH regions for sjlj exceptions too.
1559 * final.c (final_scan_insn): Don't output labels for EH REGION
1560 notes if doing sjlj exceptions.
1562 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
1564 * alias.c (init_alias_analysis): Handle -fno-alias-check when
1565 optimizing correctly.
1567 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
1568 or set current_function_calls_setjmp anymore.
1570 * flow.c (find_basic_blocks): If we delete the label for an
1571 exception handler, remove it from the EH label list and remove
1572 the EH_BEGIN/EH_END notes for that EH region.
1574 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
1576 * flow.c (find_basic_blocks): Generate correct flow control
1577 information when exception handling notes are present.
1579 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
1581 * dwarf2out.c (output_call_frame_info): Fix length argument
1582 to ASM_OUTPUT_ASCII.
1583 (output_die, output_pubnames, output_line_info): Likewise.
1585 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
1587 * version.c: Bump for snapshot.
1589 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
1590 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
1591 flag_debug_asm is on.
1592 (output_die, output_pubnames, output_line_info): Likewise.
1594 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
1595 and static_chain_rtx into the potential base values array if
1598 * alias.c (new_reg_base_value): New array of potential base values.
1599 (unique_id): Now file scoped static.
1600 (find_base_value, case REG): Return the value in reg_base_value
1601 array for the REG if it exists. Else, return the value from
1602 new_reg_base_value if copying args and REG is a hard register.
1603 (find_base_value, case PLUS): If either operand of the PLUS is
1604 a REG, try to get its base value. Handle base + index and
1606 (record_set): Use new_reg_base_value instead of reg_base_value.
1607 (init_alias_analysis): Allocate space for new_reg_base_value too.
1608 Rework code to iterate over the insns propagating base value
1609 information until nothing changes.
1611 * global.c (global_alloc): Free the conflict matrix after
1612 reload has finished.
1614 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
1616 * libgcc2.c (L_eh): Define __eh_pc.
1617 Replace __eh_type with generic pointer __eh_info.
1619 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
1621 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
1622 use copy_to_reg if address is not a general_operand.
1624 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1626 * profile.c (output_func_start_profiler): Clear flag_inline_functions
1627 for the duration of the call to rest_of_compilation.
1629 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
1631 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
1633 (sparc*-*-*): Recognize --with-cpu=v9.
1634 * sparc/elf.h: New file.
1635 * sparc/t-elf: New file.
1637 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
1639 * mn10300.c (const_8bit_operand): New function.
1640 (mask_ok_for_mem_btst): New funtion.
1641 * mn10300.md (btst patterns with mem operands): Use new functions
1642 to avoid creating btst instructions with invalid operands.
1644 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
1646 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
1647 are running on PowerPC Linux.
1649 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
1651 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
1652 if not previously defined.
1654 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
1656 * function.c (assign_parms): Correct mode of stack_parm if
1657 entry_parm underwent a mode conversion.
1659 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
1661 * global.c (global_alloc): Use xmalloc instead of alloca for
1662 CONFLICTS, since max_allocno * allocno_row_words alone can be more
1663 than 2.5Mb sometimes.
1665 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
1667 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
1668 DEST for the spill, adjust mode of SRC to compensate.
1670 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
1672 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
1673 since any_memory_operand() allows pseudos during reload.
1674 (reload_inhi, reload_outqi, reload_outhi): Likewise.
1676 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
1678 * m68k.md (btst patterns): Add 5200 support.
1680 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
1682 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
1683 optimizations, look inside dividend to determine if the expression
1684 can be simplified by using EXACT_DIV_EXPR.
1686 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
1689 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
1691 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
1693 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
1695 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
1697 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
1700 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
1702 * alpha.md (movqi, movhi): Make sure new insns created during reload
1703 won't need reloading themselves.
1704 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
1706 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
1708 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
1710 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
1712 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
1713 Patch from Klaus Kaempf <kkaempf@progis.de>.
1715 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
1717 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
1718 to an element in a constant string.
1720 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
1722 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
1723 bit PC-relative offset. The exception range table pointer is now in
1725 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
1726 (count_fdes, add_fdes, get_cie): Adjust.
1727 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
1730 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
1732 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
1734 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
1735 like stack_pointer_rtx.
1737 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
1739 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
1740 targets using "$@" to provide support for similar but not identical
1741 targets without having to duplicate code.
1742 (bootstrap4): New goal.
1744 * Makefile.in (compare, compare-lean, compare3): Combined to one
1745 ruleset determining actions to be performed via $@.
1746 (compare4, compare4-lean): New targets.
1747 (gnucompare, gnucompare3): Combined to one ruleset determining
1748 actions to be performed via $@. Also, note which files failed
1749 the comparison test in .bad_compare.
1750 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
1752 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
1754 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
1755 if the dividend is a multiple of the divisor.
1757 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
1759 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
1761 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
1764 * alias.c (true_dependence): Fix typo.
1766 * toplev.c (flag_rerun_loop_opt): New variable.
1767 (f_options): Handle -frerun-loop-opt.
1768 (rest_of_compilation): If -frerun-loop-opt, then run the loop
1770 (main): Enable -frerun-loop-opt by default for -O2 or greater.
1772 * loop.c (simplify_giv_expr): Adding two invariants results
1775 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
1777 * expr.c (get_inner_reference): Remove the array bias after
1778 converting the index to Pmode.
1780 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
1782 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
1783 (TARGET_MULT_BUG): Define.
1784 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
1785 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
1787 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
1789 * mn10200.c (indirect_memory_operand): Delete unused function.
1790 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
1791 * mn10200.md (bset, bclr insns): Handle output in a reg too.
1793 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
1795 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
1796 the callee's ldgp, we must do it ourselves, and we use the jsr tag
1797 for more than scheduling.
1799 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
1801 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
1803 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
1805 * mn10300.c (symbolic_operand, legitimize_address): New functions.
1806 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
1807 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
1809 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
1811 * version.c: Bump for snapshot.
1813 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1815 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
1818 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
1820 * toplev.c (flag_exceptions): Default value is 2.
1821 (compile_file): If flag_exceptions still has the value 2, then
1824 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
1825 (rs6000_save_machine_status): Save pic_offset_table_rtx.
1826 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
1828 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
1831 * rs6000.md (*movsi_got_internal_mem): New pattern.
1832 (*movsi_got_internal_mem splitter): New define_split.
1834 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
1836 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
1838 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
1840 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
1841 only need to save LR.
1843 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
1845 * mn10300.md (movqi, movhi): Avoid using address registers as
1846 destinations unless absolutely necessary.
1848 * mn10200.c (expand_prologue): Fix typo.
1850 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
1852 * mn10200.md (neghi2): Provide an alternative which works if
1853 the input and output register are the same.
1855 * mn10300.c (print_operand): Handle 'S'.
1856 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
1857 shift amount in last alternative
1859 * mn10300.c (expand_epilogue): Rework to handle register restores
1860 in "ret" and "retf" instructions correctly.
1862 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
1864 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
1865 extzv for memory operands.
1867 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
1868 redundant conditional moves to single operand.
1870 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
1872 * v850.h: Move define of __v850__ from CPP_PREDEFINES
1875 * xm-v850.h: Use __v850 rather than __v850__ to
1878 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
1880 * mips/mips.c (compute_frame_size): Not a leaf function if
1883 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
1885 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
1887 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
1889 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
1890 (DEFAULT_ARCH32_P): New macro.
1891 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
1892 (enum cmodel): Declare.
1893 (sparc_cmodel_string,sparc_cmodel): Declare.
1894 (SPARC_DEFAULT_CMODEL): Provide default.
1895 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
1896 (TARGET_FULLANY): Deleted.
1897 (TARGET_CM_MEDMID): New macro.
1898 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
1899 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
1900 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
1901 (CPP_SPEC): Rewrite.
1902 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
1903 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
1904 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
1905 (ASM_SPEC): Add %(asm_arch).
1906 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
1907 Rename asm_default to asm_cpu_default.
1908 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
1909 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
1910 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
1911 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
1912 (MASK_INT64,MASK_LONG64): Delete.
1913 (MASK_ARCH64): Renamed to MASK_64BIT.
1914 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
1915 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
1916 (TARGET_SWITCHES): Always provide 64 bit options.
1917 (ARCH64_SWITCHES): Delete.
1918 (TARGET_OPTIONS): New option -mcmodel=.
1919 (INT_TYPE_SIZE): Always 32.
1920 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
1921 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
1922 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
1923 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
1924 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
1926 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
1927 * sparc/linux.h: Likewise.
1928 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
1929 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
1930 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
1931 (SPARC_DEFAULT_CMODEL): Define.
1932 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
1933 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
1934 (LONG_DOUBLE_TYPE_SIZE): Define.
1935 (ASM_SPEC): Add %(asm_arch).
1936 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
1937 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
1938 (TARGET_CPU_DEFAULT): Add ultrasparc case.
1939 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
1940 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
1941 (SPARC_DEFAULT_CMODEL): Define.
1942 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
1943 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
1944 MASK_LONG64, MASK_MEDANY.
1945 (SPARC_DEFAULT_CMODEL): Define.
1946 (CPP_PREDEFINES): Delete.
1947 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
1948 (ASM_SPEC): Add %(asm_arch).
1949 (LONG_DOUBLE_TYPE_SIZE): Define.
1950 (DWARF2_DEBUGGING_INFO): Define.
1951 * sparc/splet.h (CPP_SPEC): Delete.
1952 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
1953 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
1954 (BLOCK_PROFILER): Likewise.
1955 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
1956 (sparc_override_options): Handle code model selection.
1957 (sparc_init_expanders): Renamed from sparc64_init_expanders.
1958 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
1959 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
1960 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
1961 (sethi_di_fullany): Delete.
1963 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
1964 Jeff Law <law@cygnus.com>
1965 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1967 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
1968 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
1969 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
1970 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
1971 * alpha/alpha.md (arg_home): Likewise.
1973 * alpha/alpha.c (vmskrunch): Delete
1974 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
1975 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
1976 truncate to 64 characters.
1978 * make-l2.com: Support openVMS/Alpha.
1980 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
1982 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1984 * longlong.h (count_leading_zeros): Add missing casts to USItype.
1986 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
1988 * i386/bsd386.h (ASM_COMMENT_START): Define.
1990 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
1992 * tree.c (restore_tree_status): Also free up temporary storage
1993 when we finish a toplevel function.
1994 (dump_tree_statistics): Print stats for backend obstacks.
1996 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
1998 * expr.c (use_group_regs): Don't call use_reg for MEMs.
2000 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
2002 * libgcc2.c (__throw): Don't copy the return address.
2003 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
2005 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
2006 * toplev.c (main): Initialize exceptions_via_longjmp.
2008 * tree.c: Add extra_inline_obstacks.
2009 (save_tree_status): Use it.
2010 (restore_tree_status): If this is a toplevel inline obstack and we
2011 didn't want to save anything on it, recycle it.
2012 (print_inline_obstack_statistics): New fn.
2013 * function.c (pop_function_context_from): Pass context to
2014 restore_tree_status.
2015 * obstack.h (obstack_empty_p): New macro.
2017 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
2019 * i386/freebsd.h (ASM_COMMENT_START): Fix.
2021 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
2023 * v850.c (ep_memory_offset): New function.
2024 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
2026 * v850.h (CONST_OK_FOR_*): Add and correct comments.
2027 (CONSTANT_ADDRESS_P): Add comment.
2028 (EXTRA_CONSTRAINT): Define 'U'.
2029 * v850.md: Add comments on bit field instructions.
2030 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
2031 (lshrsi3): Use N not J constraint.
2033 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
2035 * v850.c (reg_or_0_operand): Call register_operand.
2036 (reg_or_int5_operand): Likewise.
2037 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
2038 (TARGET_SWITCHES): Add "big-switch".
2039 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
2040 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
2041 (CASE_DROPS_THROUGH): Comment out.
2042 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
2043 * v850.md (cmpsi): Delete compare mode.
2044 (casesi): New pattern.
2046 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
2047 * v850.md (ashlsi3): Use SImode not QImode for shift count.
2048 (lshrsi3): Likewise.
2050 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
2051 unreachable switch statement after 'b' support. Remove "b" from
2052 strings for 'b' support.
2053 * v850.md (branch_normal, branch_invert): Change %b to b%b.
2055 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
2057 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
2058 empty line if @inhibit_libc@ is empty.
2060 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
2062 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
2063 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
2064 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
2065 (DWARF2_UNWIND_INFO): Let this track object file format.
2066 (EXTRA_SECTIONS): Add in_eh.
2067 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
2068 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
2070 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
2072 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
2073 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
2075 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
2076 (output_double_int): Output DI mode values correctly when
2077 HOST_BITS_PER_WIDE_INT is 64.
2078 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
2079 fmovd so it works if a quad float ends up in one of the upper 32
2081 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
2082 necessary for PIC support on sparc64.
2084 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
2086 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
2087 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
2088 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
2089 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
2090 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
2091 (SPARC_FP_ARG_FIRST): New macro.
2092 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
2093 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
2094 (NPARM_REGS): There are 32 fp argument registers now.
2095 (FUNCTION_ARG_REGNO_P): Likewise.
2096 (FIRST_PARM_OFFSET): Update to new v9 abi.
2097 (REG_PARM_STACK_SPACE): Define for arch64.
2098 (enum sparc_arg_class): Delete.
2099 (sparc_arg_count,sparc_n_named_args): Delete.
2100 (struct sparc_args): Redefine and use for arch32 as well as arch64.
2101 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
2102 (FUNCTION_ARG_ADVANCE): Rewrite.
2103 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
2104 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
2105 (FUNCTION_ARG_CALLEE_COPIES): Delete.
2106 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
2107 (STRICT_ARGUMENT_NAMING): Define.
2108 (doublemove_string): Declare.
2109 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
2110 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
2111 (doublemove_string): New function.
2112 (output_move_quad): Clean up some of the arch64 support.
2113 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
2114 Don't add 8 bytes of reserved space if arch64.
2115 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
2116 (init_cumulative_args): New function.
2117 (function_arg_slotno): New static function.
2118 (function_arg,function_arg_partial_nregs): New functions.
2119 (function_arg_{pass_by_reference,advance}): New functions.
2120 (function_arg_padding): New function.
2121 * ginclude/va-sparc.h: Rewrite v9 support.
2123 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
2125 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
2126 for hard regs to determine base and index registers.
2128 * reload.c (debug_reload_to_stream): New function. Specify stream
2129 into which to write debug info.
2130 (debug_reload): Modify to call debug_reload_to_stream with stderr.
2132 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
2134 * combine.c (can_combine_p): Don't combine with an asm whose
2135 output is a hard register.
2137 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
2139 * c-decl.c (start_struct): Ensure that structs with forward
2140 declarations are in fact packed when -fpack-struct is given.
2142 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
2143 we are packing a structure. This allows a structure with only
2144 bytes to be aligned on a byte boundary and have no padding on a
2147 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2149 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
2151 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
2153 * alpha.c (alpha_return_addr_rtx): New variable.
2154 (alpha_save_machine_status): New; save it.
2155 (alpha_restore_machine_status): New; restore it.
2156 (alpha_init_expanders): New; clear it.
2157 (alpha_return_addr): New; set it.
2158 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
2159 is overly conservative, so search the insns explicitly.
2160 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
2161 (alpha_sa_size [VMS && !VMS]): Likewise.
2162 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
2163 (INIT_EXPANDERS): New definition.
2165 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
2166 (output_prolog [!VMS]): Use them.
2168 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
2169 (alpha_does_function_need_gp): ... a new function. Refine the
2170 CALL_INSN test to just TYPE_JSR.
2171 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
2173 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
2175 * version.c: Bump for snapshot.
2177 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2179 * pa.c (move_operand): Respect -mdisable-indexing.
2180 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
2182 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
2184 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
2186 (umulsidi3,umulsi3_highpart): Ditto.
2187 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
2189 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
2191 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
2192 (alpha_handle_trap_shadows): ... a new function. Handle the entire
2193 function in one go. Emit RTL for trapb, instead of printf directly.
2194 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
2195 (trap_pending): Kill global variable.
2196 (output_epilog): Don't call final_prescan_insn.
2197 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
2198 * alpha.h (FINAL_PRESCAN_INSN): Remove.
2199 (MACHINE_DEPENENT_REORG): Define.
2200 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
2203 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
2205 Tune Haifa scheduler for Alpha:
2206 * alpha.h (ISSUE_RATE): Define.
2207 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
2208 EV4 adjustments to EV5.
2209 * alpha.md: Remove all scaling from function unit delays. Rework
2210 EV5 function units to match the CPU.
2211 (umuldi3_highpart): EV5 added the IMULH insn class.
2213 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
2215 * pa.c (following_call): Fail if the CALL_INSN is an indirect
2218 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
2220 * cplus-dem.c (demangle_signature): Don't look for return types on
2221 constructors. Handle member template constructors.
2223 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
2225 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
2226 * tree.h: Declare them.
2228 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
2230 * configure.in: Handle --with-newlib.
2231 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
2233 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
2235 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
2237 * config/ptx4.h: Fix typo.
2239 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
2241 * version.c: Bump for snapshot.
2243 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
2245 * aclocal.m4: Substitute INSTALL.
2246 * configure: Re-built.
2248 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
2250 * integrate.c (save_for_inline_copying): Avoid undefined pointer
2252 (expand_inline_function): Likewise.
2254 * dwarf2out.c (output_call_frame_info): Reinstate last change
2255 using flag_debug_asm check instead of flag_verbose_asm.
2257 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
2259 * dwarf2out.c (output_call_frame_info): Remove last change.
2261 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2263 * frame.c (__frame_state_for): Execute the FDE insns until the
2264 current pc value is strictly bigger than the target pc value.
2266 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
2268 * regclass.c (init_reg_modes): If we can't find a mode for the
2269 register, use the previous one.
2271 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
2273 * haifa-sched.c (print_block_visualization): Call fprintf directly,
2274 don't sprintf through an alloca'ed buffer.
2276 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
2278 * reload.c (decompose): Always initialize val.base.
2280 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
2282 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
2283 instead of aborting.
2284 * dwarf2out.c (output_call_frame_info): Call app_enable and
2285 app_disable to let GNU as accept the generated comments.
2287 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
2289 * tree.h (get_file_function_name): Add declaration.
2290 * dwarf2out.c (output_call_frame_info): No need to cast
2291 get_file_function_name call anymore.
2292 * profile.c (toplevel): Remove get_file_function_name
2294 * c-lang.c (finish_file): Ditto.
2296 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
2298 * Makefile.in (program_transform_name): Let autoconf substitute
2301 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
2303 * haifa-sched.c (schedule_block): If the first real insn in a
2304 block has any special notes attached to it, remove them.
2306 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
2308 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
2310 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
2312 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
2314 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
2316 * Makefile.in (check-g77): New test target.
2317 (CHECK-TARGETS): Add check-g77.
2319 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
2321 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
2323 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
2325 * flow.c (print_rtl_with_bb): Cast alloca return value for
2328 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
2330 * i386.h (RETURN_ADDR_RTX): New definition that works for
2331 __builtin_return_address(0) and -fomit-frame-pointer.
2333 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
2335 Bring over from FSF.
2336 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
2338 * mips.c (function_arg): Handle passing a struct
2339 containing a double in a DFmode register without the PARALLEL.
2341 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
2343 * pexecute.c: Use spawn if __CYGWIN32__.
2345 * pexecute.c: Include "config.h" first, as per autoconf manual
2346 (from Paul Eggert <eggert@twinsun.com>).
2348 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
2350 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
2351 optimisation for f/expr.o and f/stb.o.
2353 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
2355 * cse.c (this_insn_cc0_mode): Initialize.
2357 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
2359 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
2361 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
2363 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
2365 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
2366 that pair will dual-issue on the 21164 and plus+beq won't.
2367 (bne): Likewise for cmpeq+beq.
2369 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
2371 * except.c (find_exception_handler_labels): Correct argument to free.
2373 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
2375 * except.c (find_exception_handler_labels): Free LABELS when we're
2378 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
2380 * version.c: Bump for snapshot.
2382 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
2384 * flow.c (find_basic_blocks): Mark calls as potentially jumping
2387 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
2389 * configure.in: Substitute for "install" too.
2390 * configure: Rebuilt.
2392 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
2394 * Makefile.in (bootstrap-lean, compare-lean): New targets.
2396 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
2398 * alias.c (base_alias_check): Two symbols can conflict if they
2399 are accessed via AND.
2400 (memrefs_conflict_p): Likewise.
2402 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
2403 after flushing argument registers to the stack.
2405 * Makefile.in (mostlyclean): Remove .regmove files.
2407 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
2409 * libgcc2.c (__throw): Fix thinko.
2411 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
2413 * cplus-dem.c (demangle_template): Add new parameter. Handle new
2414 template-function mangling.
2415 (consume_count_with_underscores): New function.
2416 (demangle_signature): Handle new name-mangling scheme.
2418 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
2420 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
2423 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
2425 * frame.c: Remove last change.
2426 * dwarf2.h: Remove last change.
2427 * tree.h: Add declarations of DWARF2 unwind info support
2430 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
2432 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
2433 * tree.h (built_in_function): Likewise.
2434 * expr.c (expand_builtin): Likewise.
2435 * except.h: Likewise.
2436 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
2437 * libgcc2.c (copy_reg): New fn.
2440 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
2442 * c-typeck.c (build_binary_op): Warn about comparing signed vs
2443 unsigned if -W is specified and -Wno-sign-compare is not.
2444 * c-decl.c (warn_sign_compare): Initialize to -1.
2445 (c_decode_option): -Wall no longer implies -Wsign-compare.
2447 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2449 * frame.c: Include gansidecl.h for PROTO.
2450 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
2451 defined. Don't declare dwarf2out_cfi_label here.
2452 * dwarf2.h: Add declarations of DWARF2 unwind info support
2454 * m68k.c: Include dwarf2.h.
2455 (output_function_prologue): Add dwarf2 support.
2456 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
2457 (INCOMING_FRAME_SP_OFFSET): Likewise.
2459 * integrate.c (expand_inline_function): Make sure there is at
2460 least one insn that can be used as an insertion point.
2462 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
2464 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
2466 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
2468 * version.c: Bump for snapshot.
2470 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
2472 Bring over from FSF.
2474 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
2476 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
2477 (get_pc_via_rdpc): Renamed from get_pc_sp64.
2478 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
2480 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
2482 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
2483 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
2485 (sparc_align_{loops,jumps,funcs}_string): Declare.
2486 (sparc_align_{loops,jumps,funcs}): Declare.
2487 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
2488 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
2489 (STACK_BIAS): Define.
2490 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
2492 (SPARC_SETHI_P): New macro.
2493 (CONST_OK_FOR_LETTER_P): Use it.
2494 (ASM_OUTPUT_ALIGN_CODE): Define.
2495 (ASM_OUTPUT_LOOP_ALIGN): Define.
2496 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
2497 (sparc_align_{loops,jumps,funcs}): New globals.
2498 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
2500 (move_operand): Use SPARC_SETHI_P.
2501 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
2503 (arith11_double_operand): Likewise.
2504 (arith10_double_operand): Likewise.
2505 (finalize_pic): Finish sparc64 support.
2506 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
2507 64 bit constants if able.
2508 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
2509 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
2511 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
2512 (get_pc_sp32): Use for sparc64 as well.
2513 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
2514 (sethi_di_sp64_const): Likewise.
2515 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
2516 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
2517 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
2519 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
2521 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
2522 * sparc/linux.h (COMMENT_BEGIN): Likewise.
2523 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
2525 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
2527 Add sparc64 linux support.
2528 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
2529 to xm_file list on 32-bit sparc-linux.
2530 * sparc/xm-sp64.h: New file.
2531 * sparc/linux64.h: New file.
2532 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
2533 Don't include xm-sparc.h.
2534 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
2535 * glimits.h (LONG_MAX): Handle sparc64.
2537 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
2539 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
2540 * sparc.h (ASM_COMMENT_START): Define.
2541 * sparc.c (output_function_prologue): Use it.
2542 (sparc_flat_output_function_{epi,pro}logue): Likewise.
2544 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
2546 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
2547 use sparc.h's copies.
2548 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
2551 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2553 * sparc.c (dwarf2out_cfi_label): Add declaration.
2554 (save_regs, output_function_prologue): Remove cast for it.
2555 (sparc_flat_{save_restore,output_function_prologue): Likewise.
2556 ({save,restore}_regs): No longer inline.
2558 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2560 * fold-const.c (make_range): Correctly handle cases of converting
2561 from unsigned to signed type.
2563 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2565 * fold-const.c (merge_ranges): Make sure that if one range is subset
2566 of another, it will always be the second range. Correct (+,-) case to
2569 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
2571 * final.c (final_end_function): Also do dwarf2 thing if
2572 DWARF2_DEBUGGING_INFO.
2573 (final_start_function): Likewise.
2575 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
2577 * expmed.c (expand_divmod): If compute_mode is not the same as
2578 mode, handle the case where convert_modes() causes op1 to no
2579 longer be a CONST_INT.
2581 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
2582 note holding get_jump_flags() calculation to all JUMP_INSNs.
2583 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
2584 * rtl.c (reg_note_name): Add new note types.
2586 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
2588 * rtlanal.c (computed_jump_p): Fix typo in last change.
2590 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2592 * loop.c (indirect_jump_in_function_p): Return 0
2595 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
2597 * rs6000/xm-rs6000.h: Fix thinko in last change.
2598 * rs6000/xm-sysv4.h: Likewise.
2600 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
2602 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
2604 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
2606 * reg-stack.c (find_blocks): Fix thinko in last change.
2608 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2610 * m68k.c (output_function_prologue): Add dwarf2 support.
2612 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
2613 INCOMING_FRAME_SP_OFFSET): New definitions.
2615 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
2617 * combine.c (try_combine): Use NULL_RTX instead of '0' where
2618 appropriate in calls to gen_rtx().
2619 * cse.c (cse_main): Likewise.
2620 * emit-rtl.c (gen_label_rtx): Likewise.
2621 * expr.c (init_expr_once): Likewise.
2622 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
2623 sched_analyze, init_rgn_data_dependences,
2624 compute_block_backward_dependences): Likewise.
2625 * sched.c (schedule_insns): Likewise.
2626 * varasm.c (immed_double_const): Likewise.
2628 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
2629 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
2631 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
2633 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
2634 (MULTILIB_DEFAULTS): Define.
2635 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
2636 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
2637 (LIBGCC_SPEC): Likewise.
2638 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
2639 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
2640 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
2641 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
2642 (EXTRA_PARTS, TAROUTOPTS): Delete.
2643 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
2644 (MULTILIB_OPTIONS): Define.
2645 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
2646 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
2648 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
2650 * version.c: Bump for snapshot.
2652 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
2654 * loop.c (loop_number): Delete function. Change all references
2655 to use uid_loop_num array.
2656 * loop.h (loop_number): Delete declaration.
2657 * unroll.c (unroll_loop): Change "loop_number" references to
2658 use uid_loop_num instead.
2660 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
2662 (loop_unroll_iter): Remove unused variable and all references.
2663 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
2664 (insert_bct): Fix minor formatting problems.
2665 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
2666 (loop_unroll_iter): Removed unused decl.
2667 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
2668 Always record the unrolling factor.
2670 * cse.c (simplify_relational_operation): Set h0u just like h0s.
2671 Similarly for h1u and h1s.
2673 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
2674 (find_basic_blocks): Use computed_jump_p to determine if a
2675 particular JUMP_INSN is a computed jump.
2676 * reg-stack.c (find_blocks): Use computed_jump_p to determine
2677 if a particular JUMP_INSN is a computed jump.
2678 * rtlanal.c (jmp_uses_reg_or_mem): New function.
2679 (computed_jump_p): Likewise.
2680 * rtl.h (computed_jump_p): Declare.
2681 * genattrtab.c (pc_rtx): Define and initialize.
2682 * loop.c (loop_optimize): Always determine if the current
2683 function has a computed jump.
2684 (indirect_jump_in_function_p): Use computed_jump_p to determine
2685 if a particular JUMP_INSN is a computed jump.
2687 * loop.c (fix_bct_param): Delete unused function.
2688 (check_bct_param): Likewise.
2690 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
2692 * frame.c (__deregister_frame): Check properly for initialized object.
2694 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2696 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
2698 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2700 * jump.c (thread_jumps): check can_reverse_comparison_p before
2701 threading a reversed-condition jump.
2703 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
2704 * haifa-sched.c (update_flow_info): Likewise.
2706 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
2708 * Makefile.in (BOOT_CFLAGS): Use -O2.
2710 * configure.in (strtoul, bsearch): Have autoconf check for these
2712 * configure, config.in: Rebuilt.
2714 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
2715 * mips/mips.h (alloca): Likewise.
2716 * rs6000/xm-rs6000.h (alloca): Likewise.
2717 * rs6000/xm-sysv4.h: Likewise.
2719 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
2721 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
2722 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
2723 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
2725 * except.c (end_eh_unwinder): Subtract 1 from return address.
2726 * libgcc2.c (__throw): Likewise.
2727 (find_exception_handler): Don't change PC here. Compare end with >.
2729 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
2731 * v850.c (compute_register_save_size): Correct register
2733 * v850.md (save_interrupt, return_interrupt): Correct
2735 * v850/lib1funcs.asm (save_interrupt): Correct register number.
2736 (return_interrupt): Use stack pointer, not element pointer.
2738 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
2740 * configure.in, configure: Make sure to create the stage* and include
2741 symbolic links in each subdirectory.
2743 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
2745 * pa.md (reload_peepholes): Don't allow addresses with side
2746 effects for the memory operand.
2748 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
2750 * libgcc2.c (find_exception_handler): Subtract one from our PC when
2751 looking for a handler, to avoid hitting the beginning of the next
2754 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
2756 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
2758 * mips/abi64.h (LONG_MAX_SPEC): Define.
2759 * mips.h (LONG_MAX_SPEC): Define.
2760 (CPP_SPEC): Include long_max_spec.
2761 (EXTRA_SPECS): Include long_max_spec.
2763 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
2765 * v850.c (construct_save_jarl): Fix thinko in last change.
2767 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
2769 * version.c: Bump for snapshot.
2771 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
2773 * libgcc2.c (find_exception_handler): Not found is -1.
2775 * integrate.c (expand_inline_function): Move expand_start_bindings
2776 after expanding the arguments.
2778 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
2780 * expr.c (expand_expr): Remove previous incorrect change.
2781 If target and slot has no DECL_RTL, then call mark_addressable
2782 again for the slot after we give it RTL.
2784 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
2786 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
2787 again for the slot after we give it RTL.
2789 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
2791 * v850.c (register_is_ok_for_epilogue,
2792 pattern_is_ok_for_epilogue, construct_restore_jr,
2793 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
2795 * v850.h (pattern_is_ok_for_prologue,
2796 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
2799 * v850.md: Replace prologue and epilogue patterns with a
2800 match_parallel pattern.
2802 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
2804 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
2805 * configure.in: Use EGCS_PROG_INSTALL.
2807 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
2809 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
2810 extern inline function.
2812 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
2814 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
2815 (concat_loc_descriptor): New function.
2816 (loc_descriptor): Call it.
2817 (add_AT_location_description): Also elide the descriptor if both
2818 halves of a CONCAT are pseudos.
2819 (add_location_or_const_value_attribute): Recognize CONCAT too.
2821 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
2823 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
2825 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
2826 out-or-range reg_offset.
2827 (output_epilog): Likewise.
2829 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
2831 * cse.c (simplify_relational_operation): If MODE specifies a
2832 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
2833 is derived from the sign bit of the low word.
2835 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
2837 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
2839 * dwarf2.h: Add DW_CFA_GNU_args_size.
2840 * frame.c (execute_cfa_insn): Likewise.
2841 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
2842 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
2843 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
2844 insn, hand it off to dwarf2out_stack_adjust.
2845 (dwarf2out_begin_prologue): Initialize args_size.
2846 * frame.h (struct frame_state): Add args_size.
2847 * libgcc2.c (__throw): Use args_size.
2848 * final.c (final_scan_insn): If we push args, hand off all insns
2849 to dwarf2out_frame_debug.
2850 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
2852 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
2853 Handle epilogue restore of SP from FP.
2854 * emit-rtl.c (gen_sequence): Still generate a sequence if the
2855 lone insn has RTX_FRAME_RELATED_P set.
2857 * frame.c (extract_cie_info): Handle "e" augmentation.
2858 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
2859 absence of UNALIGNED_*_ASM_OP.
2860 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
2861 (output_call_frame_info): Use "e" instead of "z" for augmentation.
2862 Don't emit augmentation fields length.
2863 (dwarf2out_do_frame): Move outside of #ifdefs.
2864 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
2867 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
2868 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
2869 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
2870 * sparc/sun4gas.h: New file.
2871 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
2873 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
2874 __register_frame_table and __deregister_frame.
2876 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
2878 * except.c (find_exception_handler_labels): Use xmalloc instead of
2879 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
2882 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
2884 * Makefile.in: Various changes to build info files
2885 in the object tree rather than the source tree.
2887 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
2889 * fixinc.math: New file to fix math.h on some systems.
2890 * configure.in (freebsd, netbsd): Use fixinc.math on these
2892 * configure: Rebuilt.
2894 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
2896 * regmove.c (regmove_optimize): If we end up moving the
2897 original insn due to lifetime overlaps, make sure to move
2900 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
2902 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
2904 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
2906 * haifa-sched.c (add_branch_dependences): Make each insn in
2907 a SCHED_GROUP_P block explicitly depend on the previous insn.
2909 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
2911 * except.h: Prototype dwarf2 hooks.
2914 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
2916 * configure.in (native_prefix): Delete.
2917 (mips-dec-netbsd): Don't set prefix.
2918 (*linux*): Don't set prefix.
2920 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
2922 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
2923 defined. If not defined, include <sys/varargs.h> if
2924 HAVE_SYS_VARARGS_H is defined.
2925 * configure.in: Test for varargs.h and sys/varargs.h.
2926 * configure: Regenerate with autoconf.
2927 * config.in: Regenerate with autoheader.
2929 * cpplib.c (quote_string): Cast first arg of sprintf call
2930 from "unsigned char *" to "char *".
2931 (output_line_command): Ditto.
2932 (macroexpand): Ditto.
2933 (do_line): Cast atoi arg from "unsigned char *" to "char *".
2935 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
2937 * version.c: Bump for snapshot.
2939 * Makefile.in (compare): Exit with nonzero status if there
2940 are comparison failures. Note which files failed the
2941 comparison test in .bad_compare.
2943 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2945 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
2947 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
2949 * Makefile.in (LN, LN_S): New macros, use where appropriate.
2950 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
2951 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
2952 * configure: Regenerated.
2954 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
2956 * loop.c (strength_reduce): Fix typo.
2958 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
2960 * m88k/m88k.c (struct option): Rename to struct options.
2961 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
2962 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
2963 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
2964 __DOLPHIN__ or sysV88.
2966 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
2968 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
2971 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
2973 * config.sub: Accept 'amigados' for backward compatability.
2975 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2977 * Makefile.in (testsuite/site.exp): New target.
2978 (check-gcc, check-g++): Depend on testsuite/site.exp.
2979 Don't stop for failure.
2981 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
2983 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
2984 if DWARF2_UNWIND_INFO.
2986 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
2988 Add support for exception handling using DWARF 2 frame unwind info.
2989 Currently works on SPARC and MIPS, and almost on x86.
2991 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
2992 next_stack_level, in_reg_window): Helper fns.
2993 (__throw): Implement for DWARF2_UNWIND_INFO.
2995 * expr.c (expand_builtin): Handle builtins used by __throw.
2996 * tree.h (enum built_in_function): Add builtins used by __throw.
2997 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
2998 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
2999 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
3000 (expand_builtin_extract_return_addr): Likewise.
3001 (expand_builtin_frob_return_addr): Likewise.
3002 (expand_builtin_set_return_addr_reg): Likewise.
3003 (expand_builtin_eh_stub): Likewise.
3004 (expand_builtin_set_eh_regs): Likewise.
3005 (eh_regs): Choose two call-clobbered registers for passing back values.
3007 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
3008 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
3009 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
3010 (stmp-multilib): Likewise.
3011 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
3013 * except.c: #include "defaults.h".
3014 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
3015 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
3016 (register_exception_table_p): New fn.
3017 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
3018 (end_eh_unwinder): Likewise.
3020 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
3021 call __register_frame and __deregister_frame as needed.
3022 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
3023 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
3024 EH_FRAME_SECTION_ASM_OP.
3025 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
3026 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
3027 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
3029 * dwarf2out.c (output_call_frame_info): If no support for
3030 EXCEPTION_SECTION, mark the start of the frame info with a
3032 * collect2.c (frame_tables): New list.
3033 (is_ctor_dtor): Recognise frame entries.
3034 (scan_prog_file): Likewise.
3035 (main): Pass -fno-exceptions to sub-compile. Also do collection
3036 if there are any frame entries.
3037 (write_c_file_stat): Call __register_frame_table and
3038 __deregister_frame as needed.
3039 (write_c_file_glob): Likewise.
3041 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
3042 Also require unaligned reloc support.
3043 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3044 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
3045 * sparc/sysv4.h: Not here.
3047 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
3048 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
3049 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
3051 * libgcc2.c (L_eh): Reorganize, moving code shared by different
3052 EH implementations to the top.
3053 (find_exception_handler): Split out. Start from 0. Compare against
3055 (__find_first_exception_table_match): Use it.
3056 * except.c (output_exception_table): Don't do anything if there's
3057 no table. Don't output a first entry of zeroes.
3058 (eh_outer_context): Adjust properly.
3059 (add_eh_table_entry): Use xrealloc.
3060 * toplev.c (compile_file): Just call output_exception_table.
3062 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
3064 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
3066 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
3068 * except.c (eh_outer_context): Do masking using expand_and.
3070 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
3072 Add port done awhile ago for the ARC cpu.
3073 * arc/arc.h: New file.
3074 * arc/arc.c: New file.
3075 * arc/arc.md: New file.
3076 * arc/initfini.c: New file.
3077 * arc/lib1funcs.asm: New file.
3078 * arc/t-arc: New file.
3079 * arc/xm-arc.h: New file.
3080 * ginclude/va-arc.h: New file.
3081 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
3082 * ginclude/varargs.h: Likewise.
3083 * Makefile.in (USER_H): Add va-arc.h.
3084 * configure.in (arc-*-elf*): Recognize.
3085 * longlong.h: Add ARC support.
3087 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
3089 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
3090 when clearing non-BLKmode data.
3092 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
3094 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
3095 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
3097 * xm-m88k.h (USG): Only define if it hasn't already been defined.
3099 * Makefile.in (risky-stage1): Delete gratutious whitespace.
3101 * Makefile.in (clean): Delete libgcc1-test.
3103 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
3105 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
3107 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
3110 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3112 * dwarf2out.c (output_call_frame_info): Call named_section.
3114 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
3116 * haifa-sched.c (print_value): Fix last change.
3118 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
3120 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
3123 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
3125 * mips.c (function_prologue): Set up the CFA when ABI_32.
3127 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
3128 for dwarf2 unwind info.
3129 (output_function_prologue, sparc_flat_output_function_prologue): Same.
3131 * final.c (final_end_function): Check dwarf2out_do_frame instead
3132 of DWARF2_DEBUG for dwarf2 unwind info.
3133 (final_scan_insn): Likewise.
3134 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
3137 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
3140 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
3142 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
3144 * v850.h (ASM_SPEC): Pass on target processor.
3145 (CPP_PREDEFINES): Only define if not already specified.
3146 (TARGET_VERSION): Only define if not already specified.
3147 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
3149 (EXTRA_SWITCHES): Extra entries in the switches array.
3150 (TARGET_DEFAULT): Set default target processor.
3152 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
3154 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
3155 cases, add %# and %/, and add : to make them into extended asms.
3157 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
3159 * alias.c (init_alias_analysis): Clean up incompatible pointer
3160 type warning in bzero.
3161 * regmove.c (regmove_optimize): Ditto.
3162 * haifa-sched.c (find_rgns): Ditto.
3164 * haifa-sched.c (print_value): Clean up ptr->int cast
3167 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
3169 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
3170 * install.texi (Configurations): Ditto.
3171 * config.sub: Ditto.
3173 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
3175 * Makefile.in (sdbout.o): Depend on insn-config.h.
3177 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
3179 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
3180 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
3182 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
3184 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
3185 prologue insn, only the first elt is significant.
3186 (output_call_frame_info): For exception handling, always use 4-byte
3187 fields as specified by the dwarf2 spec.
3188 Don't skip trivial FDEs.
3190 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
3192 * version.c: Bump for snapshot.
3194 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
3196 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
3197 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
3200 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
3202 * final.c (shorten_branches): During first pass, assume worst
3203 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
3205 * Makefile.in (distclean): Remove various things left around
3206 by running the testsuite.
3208 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
3210 * configure.in (out_file): Emit definition to config.status in order
3211 to have a defined value for configure.lang.
3212 * configure: Re-built.
3214 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
3216 * configure.in: Make symlink to as-new rather than as.new. Similarly
3218 * configure: Rebuilt.
3220 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
3222 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
3224 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
3226 * sparc/sparc.md: Add ultrasparc scheduling support.
3227 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
3229 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
3231 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
3232 as initial value for real_label_map.
3233 (copy_for_inline): Likewise.
3235 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3237 * sched.c (update_flow_info) When looking if to set found_split_dest
3238 or found_orig_dest, look at all parts of a PARALLEL.
3239 * haifa-sched.c (update_flow_info): Likewise.
3241 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
3243 * v850: New directory for v850 port.
3244 * v850/lib1funcs.asm: New file.
3245 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
3246 * ginclude/va-v850.h: New file.
3247 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
3248 * configure.in (mn10200-*-*): New target.
3249 * configure: Rebuilt.
3250 * config.sub: Handle v850-elf.
3251 * Makefile.in (USER_H): Add va-mn10200.h.
3252 * invoke.texi: Document v850 stuff.
3254 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
3256 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
3257 has integer TYPE_{MAX,MIN}_VALUE before using them.
3259 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
3260 __HPUX_ASM__ versions.
3262 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
3264 * install.sh: Delete duplicate install script.
3266 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
3268 * reg-stack.c (subst_stack_regs): Pop the stack register for a
3269 computed goto which sets the same stack register.
3271 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
3272 destination are both on the regstack.
3273 (subst_stack_regs_pat): Put the destination at the top of the regstack.
3275 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
3277 * mips.md (nonlocal_goto_receiver): Define.
3279 * profile.c (output_arc_profiler): Check next_insert_after for non
3280 NULL before deferencing it.
3282 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
3284 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
3286 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
3288 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
3290 * toplev.c (rest_of_compilation): For passes starting with
3291 flow_analysis, use print_rtl_with_bb instead of print_rtl.
3293 * print-rtl.c (print_rtl_single): Print a single rtl value to a
3296 * flow.c (print_rtl_with_bb): Print which insns start and end
3297 basic blocks. For the start of a basic block, also print the live
3300 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
3302 * toplev.c (main): Change #elif to #else/#ifdef
3304 * tlink.c: Include ctype.h.
3305 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
3307 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
3309 * bitmap.c: Conditionally include stdlib.h.
3310 (free): Provide a declaration if NEED_DECLARATION_FREE.
3312 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
3314 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
3316 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
3318 * profile.c (output_arc_profiler): Verify next_insert_after is an
3319 INSN before and after skipping a stack pop.
3321 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3323 * final.c (shorten_branches): Don't count the lengths of deleted
3326 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
3328 * version.c: Bump for snapshot.
3330 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
3332 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
3333 two bitmaps ANDed together.
3334 (bitmap_print): Declare.
3336 * bitmap.c (function_obstack): Don't declare any more.
3337 (bitmap_obstack): Obstack for allocating links from.
3338 (bitmap_obstack_init): New static to say whether to initialize
3340 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
3341 (bitmap_release_memory): Free all memory allocated from
3344 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
3345 EXECUTE_IF_AND_IN_BITMAP.
3347 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
3349 * alias.c (true_dependence): Address with AND can alias scalars.
3350 (anti_dependence, output_dependence): Likewise.
3352 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
3354 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
3356 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
3357 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
3358 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
3359 definitions. Use -qrtems instead of -mrtems.
3361 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
3363 * xm-sco5.h (sys_siglist): Define.
3364 (SYS_SIGLIST_DECLARED): Likewise.
3366 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
3368 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
3370 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
3372 * except.c (eh_outer_context): Expand masking operation using
3375 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
3377 * alpha.md (floatdisf2-1): New pattern.
3379 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
3381 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
3382 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
3383 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
3384 * gcc.texi: Note that if you define sys_siglist that you should
3385 also define SYS_SIGLIST_DECLARED.
3387 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
3388 are relative to the next instruction, not the current instruction.
3390 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
3392 * local-alloc.c (contains_replace_regs): New function.
3393 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
3394 verify that there is no existing REG_EQUIV note, and add a call to
3395 contains_place_regs.
3397 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3399 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
3400 (STARTFILE_SPEC): Always use crtbegin.o%s
3401 (ENDFILE_SPEC): Always use crtend.o%s.
3403 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
3405 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
3407 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
3408 SFmode for 64 bit hosts.
3410 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
3412 * fixincludes: Permits spaces between # and define. Discard C++
3413 comments in sys/pci.h on HP/UX 10.20.
3415 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
3417 * version.c: Bump for snapshot.
3419 * pa.c (restore_unscaled_index_insn_codes): New function.
3420 (record_unscaled_index_insn_codes): Likewise.
3421 (output_function_prologue): Call restore_unscaled_index_insn_codes.
3422 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
3423 (pa_reorg): Call record_unscaled_index_insn_codes.
3425 * haifa-sched.c (move_insn): Handle notes correctly for insns
3426 with SCHED_GROUP_P set.
3428 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3430 * alpha/xm-linux.h (USE_BFD): Undef before define.
3432 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
3434 * cse.c (cse_insn): Don't record BLKmode values.
3436 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
3438 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
3440 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
3442 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
3443 * collect2.c (sys_errlist): Likewise.
3444 * cpplib.c (sys_errlist): Likewise.
3445 * gcc.c (sys_errlist): Likewise.
3446 * protoize (sys_errlist): Likewise.
3447 * configure.in: Check for strerror.
3448 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
3449 * xm-gnu.h (HAVE_STRERROR): Likewise.
3450 * xm-linux.h (HAVE_STRERROR): Likewise.
3451 * xm-netbsd.h (HAVE_STRERROR): Likewise.
3452 * xm-bsd386.h (HAVE_STRERROR): Likewise.
3453 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
3454 * xm-dos.h (HAVE_STRERROR): Likewise.
3455 * xm-mingw32.h (HAVE_STRERROR): Likewise.
3456 * xm-pa.h (HAVE_STRERROR): Likewise.
3457 * xm-papro.h (HAVE_STRERROR): Likewise.
3458 * xm-sysv4.h (HAVE_STRERROR): Likewise.
3459 * configure, config.in: Rebuilt.
3461 * Makefile.in: Add several missing "else true" clauses.
3463 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
3464 * mips-tfile.c: Likewise.
3465 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
3466 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
3467 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
3468 * configure.in: Check for sys_siglist declaration.
3469 * configure, config.in: Rebuilt.
3471 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
3473 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
3474 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
3475 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
3476 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
3477 * rs6000/sysv4.h (extra_subtarget_switches): Added new
3478 macro EXTRA_SUBTARGET_SWITCHES.
3479 * configure.in (sh*-*-rtems*): New target.
3480 * sh/rtems.h: New file.
3481 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
3482 * configure: Rebuilt.
3484 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
3486 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
3488 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
3490 * rs6000.md: Make DF fused-add operations pay attention to
3493 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
3495 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
3497 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
3499 * pa.md (reload_peepholes): Make sure operand is a REG before
3500 examining REGNO. Allow general registers too.
3502 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
3504 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
3506 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
3508 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
3509 to reallocate abbrev_die_table.
3511 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
3513 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
3515 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3517 * Makefile.in (config.status): Depend on version.c
3519 * expr.h (insn_gen_function): Reenable prototype.
3521 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
3524 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
3526 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
3528 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
3530 * version.c: Bump for latest snapshot.
3532 * bc-optab.c: Conditionally include stdlib.h.
3533 (free): Provide a declaration if NEED_DECLARATION_FREE.
3534 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
3535 * rtl.h (free): Remove declaration.
3536 * tree.h (free): Remvoe declaration.
3538 * configure: Rebuilt.
3540 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
3542 * flags.h (flag_move_all_movables): Declare.
3543 (flag_reduce_all_givs): Likewise.
3544 * loop.c (move_movables): Handle flag_move_all_movables.
3545 (strength_reduce): Handle flag_reduce_all_givs.
3546 * toplev.c (flag_move_all_movables): Define.
3547 (flag_reduce_all_givs): Likewise.
3548 (f_options): Add -fmove-all-movables and -freduce-all-givs.
3549 * invoke.texi: Document new options, including alias stuff that
3550 wasn't included last time.
3552 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
3554 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
3557 * t-vxworks68: Ditto.
3558 * t-vxworks960: Ditto.
3561 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
3563 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
3564 if not already defined, and USE_C_ALLOCA not defined.
3566 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
3568 * config.guess: Replace with script that uses ../config.guess.
3570 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
3571 if USE_GNULIBC_1 is not defined.
3573 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
3575 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
3576 * config.guess: Recognize alpha-linux-gnulibc1.
3577 * configure.in (alpha-*-linux-gnulibc1): New target.
3578 (alpha-*-linux-gnu*): Don't build crtbegin/end.
3580 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
3582 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
3585 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
3587 * loop.c (combine_movables): Earlier insns don't match later ones.
3589 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3591 * config/linux.h (CC1_SPEC): Define it only if not defined.
3593 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
3596 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
3597 USE_GNULIBC_1 is not defined.
3599 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
3601 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
3602 as 1 if USE_GNULIBC_1 is not defined.
3604 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
3606 * reorg.c (dbr_schedule): Allow current_function_return_rtx
3607 to be something other than a REG.
3608 * function.c (expand_function_end): Fix current_function_return_rtx
3611 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
3612 * x-netbsd: Likewise
3613 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
3614 (INSTALL_HEADERS): Delete.
3615 * x-dguxbcs: Likewise.
3616 * x-hp3bsd44: Likewise
3619 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3621 * i386.md (pop): pop increments the stack pointer.
3622 (prologue_set_stack_ptr): New pattern.
3623 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
3626 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
3628 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
3629 address where an offsettable address is required.
3631 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
3633 * loop.c (check_final_value): Don't miss a biv increment in a
3636 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
3638 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
3639 TYPE_DECL_IS_STUB instead of DECL_NAME.
3641 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3643 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
3645 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
3647 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
3649 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
3651 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
3652 (find_post_sched_live): Likewise.
3654 * haifa-sched.c (schedule_block): Remove old code to get arguments
3655 from hard regs into pseudos early.
3657 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
3659 * version.c: Bump for new snapshot.
3661 * local-alloc.c (update_equiv_regs): All the target to reject
3662 promotion of some REG_EQUAL to REG_EQUIV notes.
3663 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
3665 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
3668 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
3669 store of the argument registers.
3671 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
3673 * fold-const.c (multiple_of_p): New function.
3674 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
3676 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
3678 * expr.h (insn_gen_function): Temporarily remove prototype.
3680 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
3682 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
3683 filenames. Use sed to extract base filename for install.
3685 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
3687 * unroll.c (find_splittable_givs): Only share if two givs have the
3688 same add and multiply values.
3690 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
3692 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
3693 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
3695 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
3697 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
3698 around branch tables.
3699 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
3700 and .end_brtab directives if TARGET_GAS.
3702 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
3704 * alias.c (true_dependence): Pass x_addr not x to varies.
3706 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
3707 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
3708 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
3710 * config.in, configure: Regenerate.
3712 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
3714 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
3716 (record_set): Handle LO_SUM like PLUS.
3717 (init_alias_analysis): When following chains of base addresses,
3718 do not stop on reaching a hard register.
3720 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
3722 * version.c: Bump for new snapshot.
3724 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
3726 * alpha.h (ARCH_ASM_FILE_START): Define.
3727 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
3728 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
3730 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
3732 * Makefile.in (install-common): Put gcov comment at start of line.
3734 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
3736 * alias.c (init_alias_analysis): When simplifying the reg_base_value
3737 array, simplify entries for hard registers too.
3739 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
3741 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
3744 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
3746 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
3747 block_stack before dereferencing it.
3749 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
3751 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
3753 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
3755 * cplus-dem.c: Add 'extern' to prepends_underscore.
3757 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
3759 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
3760 (get_issue_rate): Delete.
3761 * pa.h (ISSUE_RATE): Define.
3763 * configure.in: Turn on haifa by default for the PA.
3764 * configure: Rebuilt.
3765 * pa.c (override_options): Accept -mschedule=7200 option.
3766 (pa_adjust_cost): No longer need to scale costs for newer
3768 * pa.h (enum processor_type): Add PROCESSOR_7200.
3769 * pa.md: Revamp scheduling parameters to work better with
3770 haifa. Add scheduling parameters for the 7200.
3772 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
3774 (schedule_block): When adjusting basic_block_{head,end}, account
3775 for movement of SCHED_GROUP_P insns too.
3777 * haifa-sched.c (debug_dependencies): Fix thinko.
3779 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
3780 (site.exp, check, check-g++, check-gcc): New targets.
3782 * haifa-sched.c: Make lots of variables static.
3784 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3786 * expr.h, real.h: Finish prototyping.
3788 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
3790 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
3791 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
3792 * reload1.c: Undo bugfix from Aug 11.
3794 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
3796 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
3797 quotes around the name.
3798 * configure: Regenerate.
3800 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
3802 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
3804 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
3806 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
3807 to sub-makes to avoid building more passes than the user might have
3808 requested on the command line.
3810 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
3812 * configure.in: Expurgate `broken_install' (install is
3815 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
3818 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
3820 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
3821 functions and declarations.
3822 (analyze_loop_iterations): Use condjump_p.
3823 (insert_bct): Likewise. Use exact_log2.
3825 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
3827 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
3828 (schedule_region): Likewise.
3829 (schedule_insns): Likewise.
3831 * PROJECTS: Update with Haifa stuff.
3833 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
3835 * version.c: Change the version string to look like:
3836 egcs-2.90.00 970814 (gcc2-970802 experimental).
3838 * loop.c (is_conditional_branch): Make definition match declaration.
3840 * gcc.c: Take out experimental snapshot warning message.
3842 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
3844 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
3845 print out the names of the notes. Print out the name of the insn
3846 that is not a note, and not an {,CALL_,JUMP_}INSN.
3848 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
3850 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
3851 again for the slot after we give it RTL.
3853 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
3855 * configure.in (haifa configury): Fix typo.
3856 * configure: Regenerate.
3858 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
3860 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
3862 * gcc.info*: Rebuilt.
3864 * COPYING.g77, README.g77: New files.
3865 * real.c (ereal_unto_float, ereal_unto_double): New functions.
3866 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
3867 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
3869 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
3871 * Integrate Haifa instruction scheduler.
3872 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
3873 to sched with $(SCHED_CFLAGS.
3874 * configure.in: Handle --enable-haifa.
3875 * configure: Rebuilt.
3876 * flags.h: Add new flags for haifa instruction scheduler.
3877 * genattrtab.c (expand_units): For haifa, don't subtract one
3878 when computing blockage.
3879 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
3880 (flag_schedule_speculative): Ditto.
3881 (flag_schedule_speculative_load): Ditto.
3882 (flag_schedule_speculative_load_dangerous): Ditto.
3883 (flag_schedule_reverse_before_reload): Ditto.
3884 (flag_schedule_reverse_after_reload): Ditto.
3885 (flag_branch_on_count_reg): Ditto.
3886 (f_options): Add Haifa switches.
3887 (main): Turn off some Haifa options if appropriate macro is
3888 defined. Process Haifa switches.
3889 * unroll.c (iteration_info): No longer static, since Haifa
3891 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
3892 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
3893 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
3894 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
3895 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
3896 storage for the Haifa scheduler.
3897 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
3899 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
3900 are defined, call analyze_loop_iterations and insert_bct to use
3902 (record_giv): Refine test for jumps out of loops if HAIFA is
3904 (analyze_loop_iterations): New function to identify if we can use
3906 (insert_bct): Insert countdown loop.
3907 (instrument_loop_bct): Low level code to insert countdown loop.
3908 (loop_number): Calculate UID of loop.
3909 (indirect_jump_in_function_p): Return true if an indirect jump is
3911 (is_power_of_2): Return true if value is a power of 2.
3912 (is_conditional_branch): Return true if insn is a conditional
3914 (fix_bct_param): Process -fbct-{min,max}-N switches.
3915 (check_bct_param): Return true if loop should be instrumented.
3916 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
3917 (loop_optimize): Initialize.
3918 (get_condition_for_loop): Ditto.
3919 * loop.c (strength_reduce): Inside of code that uses #ifdef
3920 HAVE_decrement_and_branch_on_count code, test it to make sure the
3922 (instrument_loop_bct): Ditto.
3923 * haifa-sched.c: New file.
3926 * Integrate regmove pass.
3927 * Makefile.in (OBJS): Add regmove.o
3928 (regmove.o): Add dependencies.
3929 * flow.c (find_use_as_address): No longer static.
3930 * rtl.h (find_use_as_address): Declare.
3931 * toplev.c (regmove_dump, flag_regmove): Define.
3932 (f_options): Add -fregmove.
3933 (regmove_dump_file, regmove_time): Define.
3934 (fatal_insn): Close the regmove dump file.
3935 (compile_file): Initialize regmove_time; open/close the regmove dump
3936 file as needed. Print regmove time as needed.
3937 (rest_of_compilation): Run regmove pass if requested, dump
3938 RTL after regmove if requested.
3939 (main): If -O2 or more, turn on regmove. Handle dump switches.
3940 * regmove.c: New file.
3942 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
3944 * Integrate tlink patch from jason@cygnus.com
3945 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
3946 (process_command): Increment n_switches for them. Don't discard
3947 their args. Validate them.
3948 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
3950 (process_command): Set include_prefixes from COMPILER_PATH.
3951 (main): Set COLLECT_GCC_OPTIONS sooner.
3952 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
3953 * tlink.c, hash.c, hash.h: New files.
3954 * Makefile.in (USE_COLLECT2): Always use collect2.
3955 (collect2): Depend on and link in hash.o and tlink.o.
3956 (tlink.o, hash.o): Add dependencies.
3958 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
3960 * Integrate alias analysis changes from jfc@mit.edu
3961 * Makefile.in (OBJS): Add alias.o
3962 (alias.o): Add dependencies.
3963 * alias.c: New file.
3964 * sched.c: Remove alias analysis code. It lives in alias.c now.
3965 (sched_analyze_2): Add new arguments to true_dependence.
3966 (schedule_insns): Always call init_alias_analysis.
3967 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
3968 mark return value from such functions as a pointer and keep track of
3969 them for alias analysis. If a return value from a function is a
3970 pointer, mark it as such.
3971 * combine.c (distribute_notes): Handle REG_NOALIAS.
3972 * cse.c (struct write_data): Delete. No longer needed.
3973 (invalidate): Don't call set_nonvarying_address_components anymore.
3974 Use true_dependence to decide if an entry should be removed from
3976 (invalidate_memory): Remove WRITES argument, simplify appropriately.
3978 (note_mem_written): Similarly for WRITE_PTR argument.
3979 (invalidate_from_clobbers): Similarly for W argument.
3980 (invalidate_for_call): Remove memory elements from the hash table.
3981 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
3982 (cse_rtx_varies_p): New function. Derived from old
3983 cse_rtx_addr_varies_p.
3984 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
3985 Don't call note_mem_written anymore. Stack pushes invalidate the stack
3986 pointer if PUSH_ROUNDING is defined. No longer need to call
3987 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
3988 (skipped_writes_memory): Remove variable.
3989 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
3990 (invalidate_skipped_block): Simplify for new alias analysis code.
3991 (cse_set_around_loop): Likewise.
3992 (cse_main): Call init_alias_analysis.
3993 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
3994 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
3995 (f_options): Add new alias checking arguments.
3996 (main): Set flag_alias_check when optimizing.
3997 * local_alloc (validate_equiv_mem_from_store): Add new arguments
3999 (memref_referenced_p): Likewise.
4000 * loop.c (NUM_STORES): Increase to 30.
4001 (prescan_loop): Only non-constant calls set unknown_address_altered.
4002 (invariant_p): Add new arguments to true_dependence.
4003 (record_giv): Initialize unrolled and shared fields.
4004 (emit_iv_add_mult): Call record_base_value as needed.
4005 * loop.h (struct induction): Add unrolled and shared fields.
4006 * unroll.c (unroll_loop): Call record_base_value as needed.
4007 (copy_loop_body): Likewise.
4008 (final_biv_value): Likewise.
4009 (final_giv_value): Likewise.
4010 (find_splittable_regs): Likewise. Only create one new pseudo
4011 if we have multiple address GIVs that were combined with the same
4012 dst_reg GIV. Note when a new register is created due to unrolling.
4013 * rtl.c (reg_note_name): Add REG_NOALIAS.
4014 * rtl.h (enum reg_note): Similarly.
4015 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
4016 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
4017 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
4018 (true_dependence, read_dependence, anti_dependence): Likewise.
4019 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
4020 (mark_user_reg, mark_reg_pointer): Likewise.
4023 * Integrate reload bugfix from Wilon which enables the PA port
4025 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
4026 OPERAND_ADDRESS when computing how many registers an insn needs.
4027 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
4029 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
4031 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
4032 in reload_reg_use_in_op_addr do not reach the end.
4033 do not reach the end.
4034 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
4035 RELOAD_FOR_OPERAND_ADDRESS.
4037 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
4039 * egcs project officially starts.