1 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
3 * loop.c (check_dbra_loop): Make sure initial value is a
4 CONST_INT before trying to normalize it.
6 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
8 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
10 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
12 * cppexp.c: Include gansidecl.h
14 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
16 * svr4.h (LINK_SPEC): Never specify -h.
17 * ptx4.h (LINK_SPEC): Likewise.
18 * rs6000/sysv4.h (LINK_SPEC): Likewise.
19 * sparc/sol2.h (LINK_SPEC): Likewise.
21 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
23 * c-typeck.c (comptypes): Exit early on NULL input.
25 * haifa-sched.c (schedule_insns): Correctly remove inter-block
26 dependencies after reload.
28 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
30 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
32 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
34 * alpha/vms.h (DIR_SEPARATOR): define
36 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
38 * Makefile.in (stamp-proto): Remove.
39 (protoize.o, unprotoize.o): Straightforward compile.
40 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
42 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
44 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
45 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
47 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
49 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
50 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
51 * sparc/netbsd.h, vax/netbsd.h: Likewise.
53 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
55 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
57 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
59 * configure.in (target_cpu_default, target_cpu_default2): Use double
60 quotes around them when testing their value.
63 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
65 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
67 (gendef): Call obstack_alloc_rtx.
69 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
71 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
74 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
76 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
77 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
78 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
80 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
82 * mips.md (return_internal): Change mode from SImode to VOIDmode.
84 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
86 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
89 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
91 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
92 suffix from operand 3.
94 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
95 Jeffrey A Law (law@cygnus.com)
97 * regmove.c: New implementation of regmove pass.
98 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
99 decls, make them have external linkage. Return a value from
101 * reload.h (count_occurrences): Add decl.
102 * reload1.c (count_occurrences): Delete decl, make it have external
104 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
106 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
108 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
109 if it is not defined.
111 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
113 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
114 * emit-rtl.c (gen_rtx): Move special code to ...
115 (gen_rtx_CONST_INT): New function.
116 (gen_rtx_REG): New function.
117 (*): Update all calls to gen_rtx.
118 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
119 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
120 (GEN_INT): Call gen_rtx_CONST_INT.
121 * gengenrtl.c: New file.
123 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
125 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
126 (base_alias_check): If no base found for address call canon_rtx and
129 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
131 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
132 arguments for mips16.
133 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
134 Don't lose if tsize is zero after handling large stack for mips16.
135 * mips.md (return): For trivial return, return address is in $31.
137 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
139 * mips/mips16.S: Various changes to make it work with -msingle-float
142 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
143 Ian Lance Taylor <ian@cygnus.com>
144 Jeff Law <law@cygnus.com>
146 * mips.c, mips.h, mips.md: First cut at merging in mips16
147 support. Major modifications throughout all three files.
149 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
151 * configure.in: Make gthr-default.h a forwarding header instead of
154 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
156 * gcov-io.h: Include sys/types.h to ensure we get size_t.
158 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
160 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
161 Jeffrey A Law (law@cygnus.com)
163 * crtstuff.c (__frame_dummy): New function for irix6.
164 (__do_global_ctors): Call __frame_dummy for irix6.
165 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
167 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
169 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
171 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
173 * c-decl.c (init_decl_processing): Provide proper fallback symbol
174 for __builtin_memset.
175 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
176 not INTEGER_CST. Assert arg 3 is a constant.
178 * alpha.c (mode_width_operand): Accept 64-bit modes.
179 (mode_mask_operand): Likewise.
180 (print_operand): Likewise for 'M' and 'U' codes.
181 (alpha_expand_unaligned_load): New function.
182 (alpha_expand_unaligned_store): Likewise.
183 (alpha_expand_unaligned_load_words): Likewise.
184 (alpha_expand_unaligned_store_words): Likewise.
185 (alpha_expand_block_move): Likewise.
186 (alpha_expand_block_clear): Likewise.
187 * alpha.h (MOVE_RATIO): New define.
188 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
189 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
191 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
192 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
194 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
196 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
199 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
201 * emit-rtl.c (operand_subword): Correctly handle extracting a word
202 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
204 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
207 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
209 * configure.in: Set and subsitute host_exeext. Use it when creating
210 the assembler and linker symlinks.
211 * configure: Rebuild.
212 * Makefile.in (exeext): Set to @host_exeext@.
213 (build_exeext): New variable, set to @build_exeext@.
214 (FLAGS_TO_PASS): Pass down build_exeext.
215 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
218 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
220 * mn10200.md (addsi3, subsi3): Fix thinkos.
222 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
224 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
225 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
226 unix always, since we want to be able to thunk to functions in a
227 shared library from an application.
229 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
231 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
232 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
234 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
236 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
237 offset's mode is not ptr_mode, convert it.
239 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
241 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
242 compiling if it was already defined.
244 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
246 * flow.c (find_basic_blocks): Don't create a new basic block
247 for calls in a LIBCALL block.
249 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
251 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
253 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
255 * cse.c (rtx_cost): Remove conflicting default case.
257 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
259 * configure.in: Move default enabling of Haifa out of for loop.
260 * configure: Rebuild.
262 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
264 * version.c: Bump for snapshot.
266 1997-12-25 Teemu Torma <tot@trema.com>
268 * Makefile.in (GTHREAD_FLAGS): New var.
269 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
270 (distclean): Remove gthr-default.h.
272 * configure.in: Accept dce as a thread package.
273 Check for thread.h and pthread.h.
274 Link gthr-default.h to appropriate thread file and set
276 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
277 include multilib definitions from pa/t-dce-thr.
278 (sparc-*-solaris2*): Enable threads by default, if thread.h or
279 pthread.h is found, preferring posix threads over solaris ones.
281 * config/pa/t-dce-thr: New file.
282 * config/pa/t-pa: Removed multilibs.
283 * config/sparc/t-sol2: Ditto.
286 * gthr-single.h: New file.
287 * gthr-posix.h: New file.
288 * gthr-solaris.h: New file.
289 * gthr-dce.h: New file.
290 * libgcc-thr.h: Removed.
291 * objc/thr-dce.c: New file copied from thr-decosf1.c.
293 * frame.c: Include gthr.h instead of libgcc-thr.h.
294 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
295 (eh_context_initialize): If __gthread_once fails, use static eh
297 (eh_context_free): Call __gthread_key_dtor.
299 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
301 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
303 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
305 * cse.c (max_insn_uid): New variable.
306 (cse_around_loop): Use max_insn_uid.
307 (cse_main): Set max_insn_uid.
309 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
310 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
311 -mlong64, and -mgp{32,64} options.
312 * mips.c (mips_abi): Change type to int.
313 * mips.h (enum mips_abi_type): Delete.
314 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
315 (mips_abi): Change type to int.
317 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
319 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
320 optimization is now always enabled.
322 * calls.c (expand_call): Recognize C++ operator new as malloc-like
325 * alias.c (memrefs_conflict_p): Eliminate tests now done by
327 (*_dependence): Call canon_rtx before base_alias_check.
328 (init_alias_once): New function to precompute set of registers which
329 can hold Pmode function arguments.
331 * rtl.h: Declare init_alias_once.
333 * toplev.c (compile_file): Call init_alias_once.
335 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
337 * tree.c (restore_tree_status): Do not dereference a null pointer.
339 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
341 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
342 RLIMIT_STACK. This maintains consistency with the recent, similar
343 patch to cccp.c and toplev.c.
345 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
347 * genattrtab.c (expand_units): For large nr opclasses, expand
348 function_units_used with ORX to prevent blowups. Tag with FFS.
349 (num_unit_opclasses): New variable.
350 (gen_unit): Update it.
351 (enum operator): Add ORX_OP.
352 (operate_exp): Treat ORX as or, except don't expand across an if.
353 Reuse number rtx's after operating on them.
354 (check_attr_value): Accept IOR, AND, & FFS.
355 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
356 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
357 (write_expr_attr_cache, write_toplevel_expr): New functions.
358 (write_attr_get): Handle FFS-tagged expressions.
359 (make_canonical): Don't expand const attributes.
360 (convert_const_symbol_ref): Dike out.
361 (evaluate_eq_attr): Handle SYMBOL_REF.
362 (main): Don't emit get_attr_foo for const attributes.
364 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
365 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
366 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
367 * alpha.md: Redo all of the scheduling, adding EV6 support, and
368 combining function units where possible.
369 (attr "type"): Split loads, stores, cmov into int/fp. Combine
370 multiplies and divides. Add EV6 sqrt, ftoi, itof.
371 (attr "opsize"): New attribute.
372 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
373 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
374 to control register allocation.
375 (movsi2-1, movdi2-1): Likewise.
377 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
379 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
380 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
381 Move OSF/1 specific defines out.
382 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
383 Move Linux specific defines out.
384 (LINK_SPEC): Genericize.
385 (ASM_FILE_START): Emit .arch if using more than the base insn set.
386 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
387 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
388 (HANDLE_SYSV_PRAGMA): Define.
389 * alpha/osf.h: New file.
390 * alpha/linux.h: Split. Retain file-format independant defines.
391 Import Linux bits from elf.h.
392 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
393 (FUNCTION_PROFILER): _mcount takes its address in $28.
394 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
395 * alpha/linux-ecoff.h: New file.
396 * alpha/linux-elf.h: New file.
397 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
398 * alpha/win-nt.h (TARGET_DEFAULT): Define.
399 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
400 Add new headers as appropriate.
402 * configure.in (alpha*): Enable Haifa by default.
403 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
404 * configure: Rebuild.
406 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
408 * Makefile.in (clean): Remove the stages with their objects here ...
409 (distclean): ... instead of here.
411 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
413 * cse.c (rtx_cost): Add default case in enumeration switch.
414 * fix-header.c (recognized_macro): Likewise.
415 (recognized_extern): Likewise.
416 (write_rbrac): Likewise.
417 * objc/objc-act.c (encode_aggregate): Likewise.
418 (gen_declarator): Likewise.
419 (gen_declspecs): Likewise.
421 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
423 * haifa-sched.c (create_reg_dead_note): Detect and handle another
424 case where we kill more regs after sched than were killed before
426 * sched.c (create_reg_dead_note): Similarly.
428 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
430 * c-pragma.c: Include flags.h.
432 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
434 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
435 about system headers.
436 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
437 and also to resolve symbols in prefix.c.
439 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
440 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
441 when the definitions in auto-config.h is not visible.
442 (HAVE_BZERO): Likewise.
443 (HAVE_BCMP): Likewise.
444 (HAVE_RINDEX): Likewise.
445 (HAVE_INDEX): Likewise.
447 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
449 * pa.c (emit_move_sequence): Handle a function label source
452 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
454 * c-pragma.c (handle_pragma_token): Generate warning messages
455 about unknown pragmas if warn_unknown_pragmas is set.
457 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
458 line option to set variable: warn_unknown_pragmas.
460 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
462 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
464 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
466 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
468 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
469 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
470 generate more fine grained floating point emulation libraries.
471 * config/fp-bit.c: Add protecting #ifdef to all functions so
472 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
473 then compile all suitable functions.
474 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
475 underscores to avoid namespace pollution.
476 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
478 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
482 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
483 Jeff Law <law@cygnus.com>
485 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
487 * c-decl.c (finish_decl): Use parentheses around && within ||.
488 * rtl.c: Include stdlib.h.
489 (read_skip_spaces): Add parentheses around assignments used as
491 (read_rtx): Initialize list_rtx.
492 * cppexp.c (parse_number): Use || when operands are truth values.
493 * alias.c (find_base_value): Add default case.
494 (memrefs_conflict): Likewise.
495 * combine.c (sets_function_arg_p): Likewise.
496 * genemit.c (gen_exp): Likewise.
497 * local-alloc.c (contains_replace_regs): Likewise.
498 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
499 * fold-const.c (fold_convert): Use "&&" for truth values.
500 (fold): Add default case.
501 * sdbout.c (sdbout_field_types): Fix typo in declaration.
502 (sdbout_one_type): Add default case.
503 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
504 (some_operand): Add default case.
505 (input_operand): Likewise.
506 (signed_comparison_operator): Likewise.
507 (divmod_operator): Likewise.
508 (alpha_set_memflags_1): Likewise.
509 * reload1.c (reload_cse_simplify_operands): Ensure function
510 always returns a value.
511 * scan-decls.c (scan_decls): Likewise.
512 * c-lex.c (skip_white_space): Fix typo in declaraion.
513 * c-typeck.c (comp_target_types): Add parentheses around assignment
515 (print_spelling): Likewise.
516 (constructor_implicit, constructor_result): Remove unused variables.
517 * collect2.c (scan_library): Protect prototype with
518 #ifdef SCAN_LIBRARIES.
519 * emit-rtl.c (find_line_note): Fix typo in declaration.
520 * final.c (asm_insn_count): Protect prototype with
521 #ifdef HAVE_ATTR_length.
522 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
523 (try_pre_increment_1, try_pre_increment): Likewise.
524 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
525 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
526 * gcov-io.h (__store_long, __write_long, __read_long): Fix
527 unsigned/signed comparisons.
528 * gcov.c (read_files): Remove unused "first_type" variable.
529 (scan _for_source_files): Initialize s_ptr.
530 (function_summary): Eliminate "%lf" formatting, use %ld for
532 (output_data): Initialize branch_probs and last_line_num.
533 Eliminate "%lf" formatting, use "%ld" for longs.
535 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
537 * mips16.S: New file.
539 * libgcc2.c (varargs): Handle mips16.
541 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
543 * stmt.c (expand_end_case): Likewise.
544 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
545 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
546 * rs6000.h, sh.h, tahoe.h, v850.h vax.h z8k.h: Likewise.
548 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
550 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
552 (libobjc.a): Update dependency list.
553 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
555 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
556 (objc.mostlyclean): Remove runtime-info.h.
558 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
560 * tree.c (build_range_type): Allow creation of ranges with no maximum.
561 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
562 * dwarf2out.c (add_subscript_info): Likewise.
563 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
564 * sdbout.c (plain_type_1): Likewise.
565 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
567 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
570 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
572 * mips.c (fatal): Remove declaration.
574 1997-12-18 Mark Mitchell <mmitchell@usa.net>
576 * integrate.c (get_label_from_map): New function.
577 (expand_inline_function): Use it. Initialize the label_map to
578 NULL_RTX instead of gen_label_rtx.
579 (copy_rtx_and_substitute): Use get_label_from_map.
580 * integrate.h (get_label_from_map): New function.
581 (set_label_from_map): New macro.
582 * unroll.c (unroll_loop): Use them.
583 (copy_loop_body): Ditto.
585 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
587 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
588 (INIT_TARGET_OPTABS): Define.
589 * mips/ecoff.h: Include gofast.h before mips.h.
590 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
591 * mips/elf64.h: Likewise.
592 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
594 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
596 * except.c: Remove register_exception_table{,_p}.
598 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
600 * unroll.c (calculate_giv_inc): Handle constant increment found in
601 a MEM with an appropriate REG_EQUAL note.
603 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
605 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
606 frame pointer in the prologue.
608 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
610 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
611 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
613 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
615 * config/m68k/m68k.c (output_function_prologue): Typecast
616 dwarf2out_cfi_label to (char *).
617 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
619 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
621 * sparc.md (jump): Don't use the annul bit around an empty loop.
622 Patch from Kevin.Kelly@East.Sun.COM.
624 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
626 * jump.c: (optimize_jump): Don't use the return register as a
627 source1 of a conditional move.
629 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
631 * sparc.c (DF_MODES): Or the mask not the bit number.
632 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
634 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
636 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
638 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
640 * fixincludes (size_t): Add support for Motorola's stdlib.h
641 which fails to provide a definition for size_t.
642 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
643 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
644 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
646 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
647 prevent unresolved externals in libio.
648 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
650 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
652 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
653 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
654 (LIB_SPEC): Updated for glibc 2.
656 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
658 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
659 * ginclude/varargs.h: Likewise.
661 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
663 * version.c: Bump for snapshot.
665 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
667 * frame.h (__register_frame, __register_frame_table,
668 __deregister_frame): New.
669 * frame.c (__register_frame, __register_frame_table,
670 __deregister_frame): New.
671 * frame.c (__deregister_frame_info): Return void *.
672 * frame.h (__deregister_frame_info): Ditto.
673 * collect2.c (__deregister_frame_info): Ditto.
675 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
677 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
679 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
681 * alpha.c (alpha_cpu_name): New variable.
682 (alpha_mlat_string): Likewise.
683 (alpha_memory_latency): Likewise.
684 (override_options): Handle -mmemory-latency.
685 (alpha_adjust_cost): Adjust load cost for latency.
686 * alpha.h (TARGET_OPTIONS): Add meory-latency.
687 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
688 TARGET_CIX into account.
689 (MEMORY_MOVE_COST): Define in terms of memory_latency.
690 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
692 * alpha.h (ASM_COMMENT_START): New macro.
694 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
696 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
697 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
699 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
700 SUBREG_REG if the word count is unchanged.
701 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
702 subregs of identical word size for push_reload.
704 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
706 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
707 if all we're doing is dealing with -Wreturn-type.
709 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
711 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
712 Use and 255 instead of zapnot 1, since it schedules better.
714 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
716 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
719 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
721 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
722 dependency we delete. Properly update prev for multiple consecutive
724 (priority): Skip deleted dependence.
726 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
728 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
730 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
732 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
733 determining when a new basic block starts.
735 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
737 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
738 * pa.md (iorsi3): Add missing args to *_operand calls.
740 * except.c (call_get_eh_context): Don't mess with sequences.
741 (emit_eh_context): Include the call in the sequence here.
743 1997-12-11 Paul Eggert <eggert@twinsun.com>
745 * collect2.c (write_c_file_glob): Allocate initial frame object
746 in static storage and pass its address.
748 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
750 * except.c (call_get_eh_context): Don't take a parm.
751 Put the call at the top of the function.
752 (emit_eh_context): Adjust.
753 (get_eh_context): Replace with former use_eh_context.
754 (get_eh_context_once, get_saved_pc_ref): Remove.
755 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
757 * integrate.c (expand_inline_function): Adjust.
758 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
760 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
762 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
763 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
765 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
767 * fixincludes (strlen,strspn,strcspn return value): Handle different
769 (hypot): Provide a fake for hypot which is broken on
772 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
774 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
775 tree_code_name from pointers to arrays.
776 * tree.c: Remove standard_tree_code_* variables, no longer used.
777 * print-tree.c: Remove declaration of tree_code_name.
779 * cp/lex.c (init_lex): Update for tree_code_* changes.
780 * objc/objc-act.c (init_objc): Likewise.
782 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
785 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
787 * config.sub: Add support for BeOS target.
788 * configure.in: Likewise.
789 * ginclude/stdarg.h: Likewise.
790 * ginclude/stddef.h: Likewise.
791 * ginclude/varargs.h: Likewise.
792 * rs6000/beos.h: New file for BeOS.
793 * rs6000/t-beos: Likewise.
794 * rs6000/x-beos: Likewise.
795 * rs6000/xm-beos.h: Likewise.
796 * toplev.c (get_run_time): Just return 0 on BeOS.
798 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
799 Toon Moene (toon@moene.indiv.nluug.nl)
801 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
802 old and broken Sun3 assemblers. Newer versions handle large
803 offsets correctly as does the GNU assembler.
805 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
807 * objc/objc-act.c (lang_report_error_function): Disable.
808 * objc/objc-parse.y: Include "output.h".
809 (yyerror): Remove redundant decl.
810 (yyprint): Fix prototype.
811 (apply_args_register_offset): Remove redundant decl.
812 (get_file_function_name): Likewise.
814 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
816 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
818 (find_basic_blocks_1): Likewise.
820 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
822 * except.c (use_eh_context): Don't copy_rtx a REG.
823 (emit_throw): Lose old unwinder support.
824 (expand_internal_throw): Likewise.
825 * libgcc2.c (struct eh_context): Likewise.
826 (new_eh_context): Likewise.
827 (__get_eh_info): Lose redundant cast.
828 (__get_dynamic_handler_chain): Likewise.
829 (__get_saved_pc): Lose.
830 Lose all old unwinder support code.
832 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
834 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
836 * integrate.c (expand_inline_function): If the inline fn uses eh
837 context, make sure that the current fn has one.
838 * toplev.c (rest_of_compilation): Call emit_eh_context.
839 * except.c (use_eh_context): New fn.
840 (get_eh_context_once): New fn.
841 (call_get_eh_context): New fn.
842 (emit_eh_context): New fn.
843 (get_eh_context): Call either get_eh_context_once or
844 call_get_eh_context, depending on what we have.
845 (get_dynamic_handler_chain): Call get_eh_context_once.
846 * except.h: Prototypes for fns above.
847 * optabs.c (get_eh_context_libfunc): Removed.
848 (init_optabs): Don't initialize it.
849 * expr.h (get_eh_context_libfunc): Removed.
850 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
851 * config/pa/pa.h (CPP_SPEC): Support for -threads.
852 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
853 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
854 New multilib for -threads.
855 * config/sparc/t-sol2: Added multilibs for -threads and
856 made -pthreads alias to it.
857 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
858 Added -threads and -pthreads options.
859 * libgcc-thr.h: New file.
860 * libgcc2.c: (__get_cpp_eh_context): Removed.
861 (struct cpp_eh_context): Removed.
862 (struct eh_context): Replaced cpp_eh_context with generic language
864 (__get_eh_info): New function.
865 (__throw): Check eh_context::info.
867 * libgcc2.c: Include libgcc-thr.h.
868 (new_eh_context, __get_eh_context,
869 eh_pthread_initialize, eh_context_initialize, eh_context_static,
870 eh_context_specific, eh_context_free): New functions.
871 (get_eh_context, eh_context_key): New variables.
872 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
873 get_eh_context to get the context.
874 (longjmp): Move the declaration inside
875 #ifdef DONT_USE_BUILTIN_SETJMP.
876 * frame.c: Include libgcc-thr.h.
877 (object_mutex): Mutex to protect the object list.
878 (find_fde, __register_frame, __register_frame_table,
879 __deregister_frame): Hold the lock while accessing objects.
880 * except.h (get_eh_context): Declare.
881 * except.c (current_function_ehc): Define.
882 (current_function_dhc, current_function_dcc): Removed.
883 (get_eh_context): New function.
884 (get_dynamic_handler_chain): Use get_eh_context.
885 (get_saved_pc_ref): Ditto.
886 (get_dynamic_cleanup_chain): Removed references to
887 current_function_dcc.
888 (save_eh_status, restore_eh_status): Save and restore
889 current_function_ehc instead.
890 * optabs.c (get_eh_context_libfunc): New variable.
891 (init_optabs): Initialize it.
892 * expr.h: Declare get_eh_context_libfunc.
893 * function.h (struct function): Replaced dhc and dcc with ehc.
894 * except.c (get_saved_pc_ref): New functions.
895 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
896 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
898 (end_eh_unwinder): Likewise.
899 (init_eh): Remove initialization of eh_saved_pc.
900 * optabs.c (get_saved_pc_libfunc): New variable.
901 (init_optabs): Initialize it.
902 * expr.h: Declare get_saved_pc_libfunc.
903 * except.h (eh_saved_pc_rtx): Deleted.
904 (get_saved_pc_ref): Declared.
906 From Scott Snyder <snyder@d0sgif.fnal.gov>:
907 * libgcc2.c (__get_saved_pc): New.
908 (__eh_type, __eh_pc): Deleted.
909 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
910 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
913 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
915 * sparc/sol2.h: Use 64 bit multiply and divide functions in
916 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
919 * rtl.h (global_rtl): New variable, replacing separate variables for
921 (const_int_rtx): Now array of rtx_def, not rtx.
922 * emit-rtl.c: Update for new rtl data structures.
923 * genattrtab.c: Define global_rtl.
925 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
927 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
930 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
932 * crtstuff.c (__do_global_ctors): Fix typo.
934 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
936 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
937 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
939 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
941 * rs6000.h (FUNCTION_ARG_PADDING): Define.
942 * rs6000.c (function_arg_padding): New function.
944 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
946 * m68k.c: Include tree.h only once.
948 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
950 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
952 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
954 * Partially cleaned up prototyping code from HJ.
955 * tree.h: Add many prototypes.
956 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
957 All references changed.
958 * rtl.h: Protect from multiple inclusions. Add many prototypes.
960 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
962 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
963 string functions like strlen.
965 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
967 * configure.in: Check for functions getrlimit and setrlimit.
968 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
969 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
971 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
973 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
975 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
977 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
980 * alpha.c (override_options): Don't know about scheduling for EV6.
981 * alpha.md (ev5 function units): Don't overload as ev6.
983 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
984 * alpha.md (define_attr type): Add mvi.
985 (ev5_e0): Define sceduling parameters for it.
986 (TARGET_MAX insns): Type is mvi not shift.
988 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
990 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
992 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
994 * cstamp-h, auto-config.h: Delete.
996 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
998 * version.c: Bump for snapshot.
1000 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
1002 * cccp.c: Fix typo brought over in merge.
1004 * Merge in changes from gcc-2.8.
1006 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
1008 * m68k.c: Include tree.h for dwarf2out_cfi_label.
1010 * gcc.c (process_command): Do not take address of function fatal when
1011 calling lang_specific_driver.
1013 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
1015 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
1016 doesn't work with it yet, so set it to 0.
1017 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
1019 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
1021 * cse.c (cse_insn): Check for invalid entries when taking references.
1023 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1025 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
1026 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
1027 * toplev.c (rest_of_compilation): Pass it. Remove code to
1028 save / clear / restore flag_unroll_{,all_}loops.
1030 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
1032 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
1034 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
1036 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
1038 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
1040 * except.c (get_dynamic_handler_chain): Only make the call once per
1043 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
1045 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1047 * sh.c (final_prescan_insn): Use local label prefix
1048 when emitting .uses pseudo-ops.
1050 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
1052 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
1053 * except.c: Lose outer_context_label_stack.
1054 (expand_eh_region_end): Rethrow from outer_context here.
1055 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
1056 (expand_internal_throw): Take no args.
1057 (expand_internal_throw_indirect): Lose.
1058 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
1059 (expand_start_all_catch): Start a rethrow region.
1060 (expand_end_all_catch): End it.
1061 (expand_rethrow): New fn.
1062 * except.h: Reflect above changes.
1063 * flow.c: Revert change of Nov 27.
1065 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
1067 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
1069 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
1071 * except.c (expand_fixup_region_end): New fn.
1072 (expand_fixup_region_start): Likewise.
1073 (expand_eh_region_start_tree): Store cleanup into finalization here.
1074 * stmt.c (expand_cleanups): Use them to protect fixups.
1076 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
1078 * mips/mips.md (muldi3_r4000): Broaden the output template
1079 and attribute assignments to handle three operand dmult;
1080 rename to muldi3_internal2.
1081 (muldi3): Call the new muldi3_internal2 for R4000, and
1082 any GENERATE_MULT3 chip.
1084 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
1086 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
1088 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
1090 * unroll.c (find_splittable_givs): Remove last change. Handle givs
1091 with a dest_reg that was created by loop.
1093 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
1095 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
1097 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
1099 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
1101 * configure.in: Fix NCR entries.
1103 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
1105 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
1106 nested exceptions correctly.
1108 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
1109 that was created by loop.
1111 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
1113 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
1115 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
1117 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
1119 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
1120 (print_operand): Use SMALL_DATA_REG for the register involved in
1121 small data relocations.
1122 (print_operand_address): Ditto.
1124 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
1125 -dynamic linker is not used.
1127 * rs6000.md (call insns): For local calls, use @local suffix under
1128 System V. Don't use @plt under Solaris.
1130 * rs6000.c (output_function_profiler): Put label address in r0, and
1131 store LR in 4(sp) for System V/eabi.
1133 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
1134 byte boundary, and maintain stack backchain.
1136 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
1138 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
1139 fix_truncsfdi2): Change *.
1141 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
1143 * toplev.c (main): Complain about -gdwarfn.
1145 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
1147 * dwarfout.c (output_type): If finalizing, write out nested types
1148 of types we've already written.
1150 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
1152 (patches originally from Geoffrey Keating)
1153 * rs6000.c (function_arg): Excess floating point arguments don't
1154 go into GPR registers after exhausting FP registers under the
1156 (function_arg_partial_nregs): Ditto.
1158 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
1161 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
1163 * integrate.c (output_inline_function): Just unset DECL_INLINE.
1165 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
1167 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
1170 * libgcc2.c (__throw): Initialize HANDLER.
1172 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
1174 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
1175 fix_truncsfdi2): Change *X to ?*X.
1177 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
1179 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
1181 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
1183 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
1185 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
1187 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
1189 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
1191 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
1192 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
1195 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
1197 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
1198 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
1199 gas and not using the new HP assembler.
1201 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
1203 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
1204 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
1206 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
1208 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
1209 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
1212 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1214 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
1216 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
1218 * except.h: Add outer_context_label_stack.
1219 * except.c: Likewise.
1220 (expand_start_all_catch): Push the outer_context for the try block
1221 onto outer_context_label_stack.
1222 (expand_end_all_catch): Use it and pop it.
1224 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
1226 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
1228 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
1230 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
1232 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
1234 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
1235 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
1237 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
1239 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
1240 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
1241 __builtin_delete, and __builtin_vec_delete.
1243 * except.c (output_exception_table): Don't bother with
1246 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
1248 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
1249 is an in/out operand.
1250 (zero extended variants of stwm/stwm patterns): Similarly.
1252 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
1254 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
1256 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
1258 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
1259 (output_call_frame_info): Emit a \n after using it.
1261 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
1263 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
1265 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
1267 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
1268 (ASM_OUTPUT_DWARF_VALUE4): New macro.
1269 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
1271 (output_call_frame_info): Do not output forward label differences
1272 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
1273 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
1275 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1277 * sh.md (attribute "type"): Add nil.
1278 (movsi_ie): y/y alternative is type nil.
1279 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
1281 (movsf_ie+1): Delete.
1283 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
1285 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
1286 large_int, emit two insns instead of one splitable insn.
1287 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
1288 from cfa_temp_value, use cfa_offset. Add assert checking that
1291 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
1293 * cccp.c (deps_output): Properly quote file names for make.
1295 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
1297 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
1299 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
1301 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
1303 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
1305 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
1307 (cse_end_of_basic_block): Similarly.
1309 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
1311 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
1312 (SELECT_RTX_SECTION): Define.
1313 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
1315 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
1317 * Makefile.in (compare, compare-lean): Define $stage for each
1319 (gnucompare, gnucompare-lean): Likewise.
1321 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
1323 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
1325 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
1326 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
1328 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
1330 * dwarfout.c (byte_size_attribute): Add local var upper_bound
1331 and add case to handle STRING_TYPE.
1332 * dwarfout.c (output_string_type_die): Fix code to generate
1333 correct string length attribute for fixed length strings.
1334 Still needs support for varying length strings.
1336 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
1338 * toplev.c (get_run_time): Do something sensible for cygwin32.
1340 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
1342 * expr.c (expand_builtin_setjmp): Set
1343 current_function_has_nonlocal_label.
1344 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
1345 call-saved registers across calls.
1347 * alpha.md (exception_receiver): Remove.
1348 (nonlocal_goto_receiver_osf): New
1349 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
1350 (nonlocal_goto_receiver): New, select _osf or _vms.
1352 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
1353 keep them from being propogated to the object file.
1354 (alpha_write_linkage): Likewise.
1355 * alpha.md (call_vms): Likewise.
1356 (call_value_vms): Likewise.
1357 (unnamed osf call insns): Likewise.
1359 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
1360 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
1362 * alpha.c (call_operand): Any reg is valid for WinNT.
1363 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
1364 (anon nt calls): Add 'R' alternative.
1365 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
1366 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
1368 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
1370 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
1372 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
1373 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
1374 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
1376 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
1378 * reload1.c (new_spill_reg): Improve fixed or forbidden register
1379 spill error message.
1381 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1383 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
1384 use varargs.h. Wrap header with <>, not "".
1386 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
1388 * integrate.c (save_for_inline_copying): Add return value from
1391 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
1393 * fixincludes: Be a little more restrictive on what we will
1394 substitute to replace definitions of MAXINT for HPUX.
1396 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
1398 * dbxout.c (dbxout_symbol_location): Don't assume that variables
1399 whose address is the stack or argument pointers are indirect
1402 1997-11-13 Paul Eggert <eggert@twinsun.com>
1404 * cccp.c, cpplib.c (compare_defs):
1405 Don't complain about arg name respellings unless pedantic.
1406 * cpplib.c (compare_defs): Accept pfile as new arg.
1407 All callers changed.
1409 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1411 * fold-const.c (fold_truthop): Fix bug in last change.
1413 1997-11-13 Paul Eggert <eggert@twinsun.com>
1415 Fix some confusion with IEEE minus zero.
1417 * real.h (REAL_VALUES_IDENTICAL): New macro.
1419 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
1420 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
1422 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
1423 same tree structure as 0.0.
1425 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
1426 macro instead of doing it by hand.
1428 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
1430 * v850/lib1funcs.asm: Minor whitespace changes.
1431 * v850.c: Fix minor formatting problems in many places.
1432 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
1434 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
1436 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
1437 xplus1 when xplus0 is not a register.
1439 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
1441 * flow.c (find_basic_blocks): During marking phase, if we encounter
1442 an insn with a REG_LABEL note, make the target block live and
1443 create an edge from the insn to the target block. Do not make
1444 edges from all blocks to the target block.
1446 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
1448 * confiugre.in: Tweak NCR entries.
1449 * configure: Rebuilt.
1451 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
1453 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
1454 pick apart floating point values, instead of using CONST_DOUBLE_LOW
1455 and CONST_DOUBLE_HIGH.
1457 * rs6000.md (define_splits for DF constants): Use the appropriate
1458 REAL_VALUE_* interface to pick apart DF floating point constants in
1459 a machine independent fashion.
1461 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1463 * fold-const.c (fold_truthop): When changing a one-bit comparison
1464 against zero into a comparison against mask, do a proper sign
1467 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
1469 * except.c: Do not include "assert.h".
1470 (save_eh_status): Turn asserts into conditional aborts.
1471 (restore_eh_status, scan_region): Likewise.
1472 * dwarfout.c: Do not include "assert.h".
1473 (bit_offset_attribute): Turn asserts into conditional aborts.
1474 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
1475 (output_inlined_structure_type_die): Likewise.
1476 (output_inlined_union_type_die): Likewise
1477 (output_tagged_type_instantiation): Likewise.
1478 (dwarfout_file_scope_decl): Likewise.
1479 * dwarf2out.c: Do not include "assert.h"
1480 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
1481 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
1482 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
1483 (add_bit_size_attribute, scope_die_for): Likewise.
1484 (output_pending_types_for_scope): Likewise.
1485 (get_inlined_enumeration_type_die): Likewise.
1486 (get_inlined_structure_type_die): Likewise.
1487 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
1488 (gen_tagged_type_instantiation_die): Likewise.
1490 * flow.c (find_basic_blocks): Refine further to get a more correct
1491 cfg, especially in the presense of exception handling, computed
1492 gotos, and other non-trivial cases. Call abort if an inaccuracy
1493 is detected in the cfg.
1495 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1497 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
1499 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
1500 (skip_white_space): Use whitespace_cr.
1501 (check_newline): Handle whitespace more consistently.
1503 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
1505 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
1506 * i386/xm-cygwin32.h (POSIX): Define.
1508 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
1510 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
1511 is available elsewhere.
1513 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
1515 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
1516 what the instruction can handle.
1518 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
1520 * stmt.c (expand_decl_cleanup_no_eh): New fn.
1522 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
1524 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
1526 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
1527 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
1529 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
1531 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
1532 swap instruction order.
1534 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
1536 * fixinc.svr4 (__STDC__): Add another case.
1538 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1540 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
1541 addresses in the epilogue delay slot.
1543 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
1545 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
1546 in generated `specs' file.
1548 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
1550 * flags.h (flag_rerun_loop_opt): Declare.
1551 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
1552 * toplev.c (flag_rerum_loop_opt): Delete static.
1554 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1556 Bring over from FSF:
1558 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1560 * va-sh.h (__va_arg_sh1): Define.
1562 SH3E doesn't use any integer registers for subsequent arguments
1563 once a non-float value was passed in the stack.
1564 * sh.c (machine_dependent_reorg): If optimizing, put explicit
1565 alignment in front label for ADDR_DIFF_VEC.
1566 * sh.h (PASS_IN_REG_P): Fix SH3E case.
1567 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
1569 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1571 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
1574 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1576 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
1577 put an use_sfunc_addr before each sfunc.
1578 * sh.md (use_sfunc_addr, dummy_jump): New insns.
1579 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
1581 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1583 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
1585 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
1587 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
1590 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
1592 * alias.c (find_base_value): Only return the known base value for
1595 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
1597 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
1598 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
1600 (prologue_get_pc_and_set_got): New pattern.
1602 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
1604 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
1605 for SUBREG, just fall through.
1607 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
1609 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
1611 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
1613 * fixincludes: Fix "hypot" prototype in NeXT math.h.
1615 * Makefile.in (USE_ALLOCA): Always include alloca.o.
1616 (USE_HOST_ALLOCA): Likewise.
1618 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
1619 and LABEL_REFS fields.
1620 * rtl.h (LABEL_REFS): Update.
1622 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
1624 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
1625 sets i2dest. When calling distribute_notes for i3dest_killed, pass
1626 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
1629 * mips.md (insv, extzv, extv): Add change_address call.
1630 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
1632 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
1634 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
1636 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
1637 save_restore_insns if no FP and GP will be restored.
1639 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
1640 Convert CCmode to word_mode before calling GET_MODE_SIZE.
1642 * acconfig.h (HAVE_INTTYPES_H): Undef.
1643 * configure.in (inttypes.h): Check for conflicts between sys/types.h
1644 and inttypes.h, and verify that intmax_t is defined.
1645 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
1646 * config/mips/x-iris3: Likewise.
1648 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
1650 * alias.c (find_base_value): When copying arguments, return the
1651 tenative value for a hard register.
1653 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
1655 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
1656 (yylex): Record wide strings using target endianness, not host.
1658 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
1660 * mn10200.h (ASM_OUTPUT_BSS): Delete.
1661 (ASM_OUTPUT_ALIGNED_BSS): New macro
1662 * mn10300.h (ASM_OUTPUT_BSS): Delete.
1663 (ASM_OUTPUT_ALIGNED_BSS): New macro.
1664 * v850.h (ASM_OUTPUT_BSS): Delete.
1665 (ASM_OUTPUT_ALIGNED_BSS): New macro.
1667 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1669 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
1671 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
1673 * configure.in (sco5): Use cpio to install header files.
1675 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
1677 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
1679 * configure: Rebuild.
1681 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
1683 * i386/sco5.h: enable -gstabs once again.
1685 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
1687 * arm.c (output_move_double): Allocate 3 entries in otherops array.
1689 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
1691 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
1692 notes for sjlj exceptions too.
1693 (expand_eh_region_end): Similarly for EH_REGION_END notes.
1694 (exception_optimize): Optimize EH regions for sjlj exceptions too.
1695 * final.c (final_scan_insn): Don't output labels for EH REGION
1696 notes if doing sjlj exceptions.
1698 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
1700 * alias.c (init_alias_analysis): Handle -fno-alias-check when
1701 optimizing correctly.
1703 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
1704 or set current_function_calls_setjmp anymore.
1706 * flow.c (find_basic_blocks): If we delete the label for an
1707 exception handler, remove it from the EH label list and remove
1708 the EH_BEGIN/EH_END notes for that EH region.
1710 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
1712 * flow.c (find_basic_blocks): Generate correct flow control
1713 information when exception handling notes are present.
1715 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
1717 * dwarf2out.c (output_call_frame_info): Fix length argument
1718 to ASM_OUTPUT_ASCII.
1719 (output_die, output_pubnames, output_line_info): Likewise.
1721 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
1723 * version.c: Bump for snapshot.
1725 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
1726 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
1727 flag_debug_asm is on.
1728 (output_die, output_pubnames, output_line_info): Likewise.
1730 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
1731 and static_chain_rtx into the potential base values array if
1734 * alias.c (new_reg_base_value): New array of potential base values.
1735 (unique_id): Now file scoped static.
1736 (find_base_value, case REG): Return the value in reg_base_value
1737 array for the REG if it exists. Else, return the value from
1738 new_reg_base_value if copying args and REG is a hard register.
1739 (find_base_value, case PLUS): If either operand of the PLUS is
1740 a REG, try to get its base value. Handle base + index and
1742 (record_set): Use new_reg_base_value instead of reg_base_value.
1743 (init_alias_analysis): Allocate space for new_reg_base_value too.
1744 Rework code to iterate over the insns propagating base value
1745 information until nothing changes.
1747 * global.c (global_alloc): Free the conflict matrix after
1748 reload has finished.
1750 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
1752 * libgcc2.c (L_eh): Define __eh_pc.
1753 Replace __eh_type with generic pointer __eh_info.
1755 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
1757 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
1758 use copy_to_reg if address is not a general_operand.
1760 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1762 * profile.c (output_func_start_profiler): Clear flag_inline_functions
1763 for the duration of the call to rest_of_compilation.
1765 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
1767 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
1769 (sparc*-*-*): Recognize --with-cpu=v9.
1770 * sparc/elf.h: New file.
1771 * sparc/t-elf: New file.
1773 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
1775 * mn10300.c (const_8bit_operand): New function.
1776 (mask_ok_for_mem_btst): New funtion.
1777 * mn10300.md (btst patterns with mem operands): Use new functions
1778 to avoid creating btst instructions with invalid operands.
1780 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
1782 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
1783 are running on PowerPC Linux.
1785 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
1787 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
1788 if not previously defined.
1790 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
1792 * function.c (assign_parms): Correct mode of stack_parm if
1793 entry_parm underwent a mode conversion.
1795 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
1797 * global.c (global_alloc): Use xmalloc instead of alloca for
1798 CONFLICTS, since max_allocno * allocno_row_words alone can be more
1799 than 2.5Mb sometimes.
1801 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
1803 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
1804 DEST for the spill, adjust mode of SRC to compensate.
1806 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
1808 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
1809 since any_memory_operand() allows pseudos during reload.
1810 (reload_inhi, reload_outqi, reload_outhi): Likewise.
1812 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
1814 * m68k.md (btst patterns): Add 5200 support.
1816 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
1818 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
1819 optimizations, look inside dividend to determine if the expression
1820 can be simplified by using EXACT_DIV_EXPR.
1822 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
1825 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
1827 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
1829 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
1831 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
1833 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
1836 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
1838 * alpha.md (movqi, movhi): Make sure new insns created during reload
1839 won't need reloading themselves.
1840 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
1842 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
1844 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
1846 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
1848 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
1849 Patch from Klaus Kaempf <kkaempf@progis.de>.
1851 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
1853 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
1854 to an element in a constant string.
1856 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
1858 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
1859 bit PC-relative offset. The exception range table pointer is now in
1861 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
1862 (count_fdes, add_fdes, get_cie): Adjust.
1863 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
1866 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
1868 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
1870 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
1871 like stack_pointer_rtx.
1873 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
1875 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
1876 targets using "$@" to provide support for similar but not identical
1877 targets without having to duplicate code.
1878 (bootstrap4): New goal.
1880 * Makefile.in (compare, compare-lean, compare3): Combined to one
1881 ruleset determining actions to be performed via $@.
1882 (compare4, compare4-lean): New targets.
1883 (gnucompare, gnucompare3): Combined to one ruleset determining
1884 actions to be performed via $@. Also, note which files failed
1885 the comparison test in .bad_compare.
1886 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
1888 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
1890 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
1891 if the dividend is a multiple of the divisor.
1893 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
1895 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
1897 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
1900 * alias.c (true_dependence): Fix typo.
1902 * toplev.c (flag_rerun_loop_opt): New variable.
1903 (f_options): Handle -frerun-loop-opt.
1904 (rest_of_compilation): If -frerun-loop-opt, then run the loop
1906 (main): Enable -frerun-loop-opt by default for -O2 or greater.
1908 * loop.c (simplify_giv_expr): Adding two invariants results
1911 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
1913 * expr.c (get_inner_reference): Remove the array bias after
1914 converting the index to Pmode.
1916 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
1918 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
1919 (TARGET_MULT_BUG): Define.
1920 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
1921 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
1923 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
1925 * mn10200.c (indirect_memory_operand): Delete unused function.
1926 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
1927 * mn10200.md (bset, bclr insns): Handle output in a reg too.
1929 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
1931 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
1932 the callee's ldgp, we must do it ourselves, and we use the jsr tag
1933 for more than scheduling.
1935 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
1937 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
1939 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
1941 * mn10300.c (symbolic_operand, legitimize_address): New functions.
1942 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
1943 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
1945 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
1947 * version.c: Bump for snapshot.
1949 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1951 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
1954 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
1956 * toplev.c (flag_exceptions): Default value is 2.
1957 (compile_file): If flag_exceptions still has the value 2, then
1960 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
1961 (rs6000_save_machine_status): Save pic_offset_table_rtx.
1962 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
1964 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
1967 * rs6000.md (*movsi_got_internal_mem): New pattern.
1968 (*movsi_got_internal_mem splitter): New define_split.
1970 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
1972 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
1974 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
1976 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
1977 only need to save LR.
1979 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
1981 * mn10300.md (movqi, movhi): Avoid using address registers as
1982 destinations unless absolutely necessary.
1984 * mn10200.c (expand_prologue): Fix typo.
1986 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
1988 * mn10200.md (neghi2): Provide an alternative which works if
1989 the input and output register are the same.
1991 * mn10300.c (print_operand): Handle 'S'.
1992 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
1993 shift amount in last alternative
1995 * mn10300.c (expand_epilogue): Rework to handle register restores
1996 in "ret" and "retf" instructions correctly.
1998 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
2000 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
2001 extzv for memory operands.
2003 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
2004 redundant conditional moves to single operand.
2006 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
2008 * v850.h: Move define of __v850__ from CPP_PREDEFINES
2011 * xm-v850.h: Use __v850 rather than __v850__ to
2014 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
2016 * mips/mips.c (compute_frame_size): Not a leaf function if
2019 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
2021 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
2023 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
2025 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
2026 (DEFAULT_ARCH32_P): New macro.
2027 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
2028 (enum cmodel): Declare.
2029 (sparc_cmodel_string,sparc_cmodel): Declare.
2030 (SPARC_DEFAULT_CMODEL): Provide default.
2031 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
2032 (TARGET_FULLANY): Deleted.
2033 (TARGET_CM_MEDMID): New macro.
2034 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
2035 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
2036 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
2037 (CPP_SPEC): Rewrite.
2038 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
2039 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
2040 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
2041 (ASM_SPEC): Add %(asm_arch).
2042 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
2043 Rename asm_default to asm_cpu_default.
2044 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
2045 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
2046 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
2047 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
2048 (MASK_INT64,MASK_LONG64): Delete.
2049 (MASK_ARCH64): Renamed to MASK_64BIT.
2050 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
2051 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
2052 (TARGET_SWITCHES): Always provide 64 bit options.
2053 (ARCH64_SWITCHES): Delete.
2054 (TARGET_OPTIONS): New option -mcmodel=.
2055 (INT_TYPE_SIZE): Always 32.
2056 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
2057 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
2058 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
2059 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
2060 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
2062 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2063 * sparc/linux.h: Likewise.
2064 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
2065 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
2066 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
2067 (SPARC_DEFAULT_CMODEL): Define.
2068 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
2069 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2070 (LONG_DOUBLE_TYPE_SIZE): Define.
2071 (ASM_SPEC): Add %(asm_arch).
2072 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
2073 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2074 (TARGET_CPU_DEFAULT): Add ultrasparc case.
2075 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
2076 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
2077 (SPARC_DEFAULT_CMODEL): Define.
2078 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
2079 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
2080 MASK_LONG64, MASK_MEDANY.
2081 (SPARC_DEFAULT_CMODEL): Define.
2082 (CPP_PREDEFINES): Delete.
2083 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2084 (ASM_SPEC): Add %(asm_arch).
2085 (LONG_DOUBLE_TYPE_SIZE): Define.
2086 (DWARF2_DEBUGGING_INFO): Define.
2087 * sparc/splet.h (CPP_SPEC): Delete.
2088 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
2089 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
2090 (BLOCK_PROFILER): Likewise.
2091 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
2092 (sparc_override_options): Handle code model selection.
2093 (sparc_init_expanders): Renamed from sparc64_init_expanders.
2094 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
2095 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
2096 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
2097 (sethi_di_fullany): Delete.
2099 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
2100 Jeff Law <law@cygnus.com>
2101 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2103 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
2104 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
2105 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
2106 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
2107 * alpha/alpha.md (arg_home): Likewise.
2109 * alpha/alpha.c (vmskrunch): Delete
2110 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
2111 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
2112 truncate to 64 characters.
2114 * make-l2.com: Support openVMS/Alpha.
2116 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
2118 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2120 * longlong.h (count_leading_zeros): Add missing casts to USItype.
2122 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
2124 * i386/bsd386.h (ASM_COMMENT_START): Define.
2126 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
2128 * tree.c (restore_tree_status): Also free up temporary storage
2129 when we finish a toplevel function.
2130 (dump_tree_statistics): Print stats for backend obstacks.
2132 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
2134 * expr.c (use_group_regs): Don't call use_reg for MEMs.
2136 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
2138 * libgcc2.c (__throw): Don't copy the return address.
2139 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
2141 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
2142 * toplev.c (main): Initialize exceptions_via_longjmp.
2144 * tree.c: Add extra_inline_obstacks.
2145 (save_tree_status): Use it.
2146 (restore_tree_status): If this is a toplevel inline obstack and we
2147 didn't want to save anything on it, recycle it.
2148 (print_inline_obstack_statistics): New fn.
2149 * function.c (pop_function_context_from): Pass context to
2150 restore_tree_status.
2151 * obstack.h (obstack_empty_p): New macro.
2153 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
2155 * i386/freebsd.h (ASM_COMMENT_START): Fix.
2157 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
2159 * v850.c (ep_memory_offset): New function.
2160 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
2162 * v850.h (CONST_OK_FOR_*): Add and correct comments.
2163 (CONSTANT_ADDRESS_P): Add comment.
2164 (EXTRA_CONSTRAINT): Define 'U'.
2165 * v850.md: Add comments on bit field instructions.
2166 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
2167 (lshrsi3): Use N not J constraint.
2169 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
2171 * v850.c (reg_or_0_operand): Call register_operand.
2172 (reg_or_int5_operand): Likewise.
2173 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
2174 (TARGET_SWITCHES): Add "big-switch".
2175 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
2176 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
2177 (CASE_DROPS_THROUGH): Comment out.
2178 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
2179 * v850.md (cmpsi): Delete compare mode.
2180 (casesi): New pattern.
2182 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
2183 * v850.md (ashlsi3): Use SImode not QImode for shift count.
2184 (lshrsi3): Likewise.
2186 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
2187 unreachable switch statement after 'b' support. Remove "b" from
2188 strings for 'b' support.
2189 * v850.md (branch_normal, branch_invert): Change %b to b%b.
2191 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
2193 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
2194 empty line if @inhibit_libc@ is empty.
2196 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
2198 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
2199 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
2200 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
2201 (DWARF2_UNWIND_INFO): Let this track object file format.
2202 (EXTRA_SECTIONS): Add in_eh.
2203 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
2204 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
2206 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
2208 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
2209 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
2211 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
2212 (output_double_int): Output DI mode values correctly when
2213 HOST_BITS_PER_WIDE_INT is 64.
2214 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
2215 fmovd so it works if a quad float ends up in one of the upper 32
2217 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
2218 necessary for PIC support on sparc64.
2220 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
2222 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
2223 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
2224 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
2225 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
2226 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
2227 (SPARC_FP_ARG_FIRST): New macro.
2228 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
2229 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
2230 (NPARM_REGS): There are 32 fp argument registers now.
2231 (FUNCTION_ARG_REGNO_P): Likewise.
2232 (FIRST_PARM_OFFSET): Update to new v9 abi.
2233 (REG_PARM_STACK_SPACE): Define for arch64.
2234 (enum sparc_arg_class): Delete.
2235 (sparc_arg_count,sparc_n_named_args): Delete.
2236 (struct sparc_args): Redefine and use for arch32 as well as arch64.
2237 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
2238 (FUNCTION_ARG_ADVANCE): Rewrite.
2239 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
2240 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
2241 (FUNCTION_ARG_CALLEE_COPIES): Delete.
2242 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
2243 (STRICT_ARGUMENT_NAMING): Define.
2244 (doublemove_string): Declare.
2245 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
2246 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
2247 (doublemove_string): New function.
2248 (output_move_quad): Clean up some of the arch64 support.
2249 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
2250 Don't add 8 bytes of reserved space if arch64.
2251 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
2252 (init_cumulative_args): New function.
2253 (function_arg_slotno): New static function.
2254 (function_arg,function_arg_partial_nregs): New functions.
2255 (function_arg_{pass_by_reference,advance}): New functions.
2256 (function_arg_padding): New function.
2257 * ginclude/va-sparc.h: Rewrite v9 support.
2259 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
2261 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
2262 for hard regs to determine base and index registers.
2264 * reload.c (debug_reload_to_stream): New function. Specify stream
2265 into which to write debug info.
2266 (debug_reload): Modify to call debug_reload_to_stream with stderr.
2268 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
2270 * combine.c (can_combine_p): Don't combine with an asm whose
2271 output is a hard register.
2273 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
2275 * c-decl.c (start_struct): Ensure that structs with forward
2276 declarations are in fact packed when -fpack-struct is given.
2278 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
2279 we are packing a structure. This allows a structure with only
2280 bytes to be aligned on a byte boundary and have no padding on a
2283 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2285 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
2287 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
2289 * alpha.c (alpha_return_addr_rtx): New variable.
2290 (alpha_save_machine_status): New; save it.
2291 (alpha_restore_machine_status): New; restore it.
2292 (alpha_init_expanders): New; clear it.
2293 (alpha_return_addr): New; set it.
2294 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
2295 is overly conservative, so search the insns explicitly.
2296 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
2297 (alpha_sa_size [VMS && !VMS]): Likewise.
2298 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
2299 (INIT_EXPANDERS): New definition.
2301 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
2302 (output_prolog [!VMS]): Use them.
2304 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
2305 (alpha_does_function_need_gp): ... a new function. Refine the
2306 CALL_INSN test to just TYPE_JSR.
2307 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
2309 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
2311 * version.c: Bump for snapshot.
2313 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2315 * pa.c (move_operand): Respect -mdisable-indexing.
2316 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
2318 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
2320 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
2322 (umulsidi3,umulsi3_highpart): Ditto.
2323 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
2325 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
2327 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
2328 (alpha_handle_trap_shadows): ... a new function. Handle the entire
2329 function in one go. Emit RTL for trapb, instead of printf directly.
2330 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
2331 (trap_pending): Kill global variable.
2332 (output_epilog): Don't call final_prescan_insn.
2333 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
2334 * alpha.h (FINAL_PRESCAN_INSN): Remove.
2335 (MACHINE_DEPENENT_REORG): Define.
2336 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
2339 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
2341 Tune Haifa scheduler for Alpha:
2342 * alpha.h (ISSUE_RATE): Define.
2343 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
2344 EV4 adjustments to EV5.
2345 * alpha.md: Remove all scaling from function unit delays. Rework
2346 EV5 function units to match the CPU.
2347 (umuldi3_highpart): EV5 added the IMULH insn class.
2349 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
2351 * pa.c (following_call): Fail if the CALL_INSN is an indirect
2354 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
2356 * cplus-dem.c (demangle_signature): Don't look for return types on
2357 constructors. Handle member template constructors.
2359 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
2361 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
2362 * tree.h: Declare them.
2364 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
2366 * configure.in: Handle --with-newlib.
2367 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
2369 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
2371 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
2373 * config/ptx4.h: Fix typo.
2375 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
2377 * version.c: Bump for snapshot.
2379 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
2381 * aclocal.m4: Substitute INSTALL.
2382 * configure: Re-built.
2384 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
2386 * integrate.c (save_for_inline_copying): Avoid undefined pointer
2388 (expand_inline_function): Likewise.
2390 * dwarf2out.c (output_call_frame_info): Reinstate last change
2391 using flag_debug_asm check instead of flag_verbose_asm.
2393 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
2395 * dwarf2out.c (output_call_frame_info): Remove last change.
2397 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2399 * frame.c (__frame_state_for): Execute the FDE insns until the
2400 current pc value is strictly bigger than the target pc value.
2402 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
2404 * regclass.c (init_reg_modes): If we can't find a mode for the
2405 register, use the previous one.
2407 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
2409 * haifa-sched.c (print_block_visualization): Call fprintf directly,
2410 don't sprintf through an alloca'ed buffer.
2412 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
2414 * reload.c (decompose): Always initialize val.base.
2416 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
2418 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
2419 instead of aborting.
2420 * dwarf2out.c (output_call_frame_info): Call app_enable and
2421 app_disable to let GNU as accept the generated comments.
2423 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
2425 * tree.h (get_file_function_name): Add declaration.
2426 * dwarf2out.c (output_call_frame_info): No need to cast
2427 get_file_function_name call anymore.
2428 * profile.c (toplevel): Remove get_file_function_name
2430 * c-lang.c (finish_file): Ditto.
2432 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
2434 * Makefile.in (program_transform_name): Let autoconf substitute
2437 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
2439 * haifa-sched.c (schedule_block): If the first real insn in a
2440 block has any special notes attached to it, remove them.
2442 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
2444 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
2446 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
2448 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
2450 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
2452 * Makefile.in (check-g77): New test target.
2453 (CHECK-TARGETS): Add check-g77.
2455 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
2457 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
2459 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
2461 * flow.c (print_rtl_with_bb): Cast alloca return value for
2464 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
2466 * i386.h (RETURN_ADDR_RTX): New definition that works for
2467 __builtin_return_address(0) and -fomit-frame-pointer.
2469 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
2471 Bring over from FSF.
2472 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
2474 * mips.c (function_arg): Handle passing a struct
2475 containing a double in a DFmode register without the PARALLEL.
2477 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
2479 * pexecute.c: Use spawn if __CYGWIN32__.
2481 * pexecute.c: Include "config.h" first, as per autoconf manual
2482 (from Paul Eggert <eggert@twinsun.com>).
2484 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
2486 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
2487 optimisation for f/expr.o and f/stb.o.
2489 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
2491 * cse.c (this_insn_cc0_mode): Initialize.
2493 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
2495 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
2497 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
2499 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
2501 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
2502 that pair will dual-issue on the 21164 and plus+beq won't.
2503 (bne): Likewise for cmpeq+beq.
2505 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
2507 * except.c (find_exception_handler_labels): Correct argument to free.
2509 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
2511 * except.c (find_exception_handler_labels): Free LABELS when we're
2514 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
2516 * version.c: Bump for snapshot.
2518 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
2520 * flow.c (find_basic_blocks): Mark calls as potentially jumping
2523 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
2525 * configure.in: Substitute for "install" too.
2526 * configure: Rebuilt.
2528 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
2530 * Makefile.in (bootstrap-lean, compare-lean): New targets.
2532 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
2534 * alias.c (base_alias_check): Two symbols can conflict if they
2535 are accessed via AND.
2536 (memrefs_conflict_p): Likewise.
2538 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
2539 after flushing argument registers to the stack.
2541 * Makefile.in (mostlyclean): Remove .regmove files.
2543 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
2545 * libgcc2.c (__throw): Fix thinko.
2547 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
2549 * cplus-dem.c (demangle_template): Add new parameter. Handle new
2550 template-function mangling.
2551 (consume_count_with_underscores): New function.
2552 (demangle_signature): Handle new name-mangling scheme.
2554 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
2556 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
2559 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
2561 * frame.c: Remove last change.
2562 * dwarf2.h: Remove last change.
2563 * tree.h: Add declarations of DWARF2 unwind info support
2566 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
2568 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
2569 * tree.h (built_in_function): Likewise.
2570 * expr.c (expand_builtin): Likewise.
2571 * except.h: Likewise.
2572 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
2573 * libgcc2.c (copy_reg): New fn.
2576 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
2578 * c-typeck.c (build_binary_op): Warn about comparing signed vs
2579 unsigned if -W is specified and -Wno-sign-compare is not.
2580 * c-decl.c (warn_sign_compare): Initialize to -1.
2581 (c_decode_option): -Wall no longer implies -Wsign-compare.
2583 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2585 * frame.c: Include gansidecl.h for PROTO.
2586 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
2587 defined. Don't declare dwarf2out_cfi_label here.
2588 * dwarf2.h: Add declarations of DWARF2 unwind info support
2590 * m68k.c: Include dwarf2.h.
2591 (output_function_prologue): Add dwarf2 support.
2592 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
2593 (INCOMING_FRAME_SP_OFFSET): Likewise.
2595 * integrate.c (expand_inline_function): Make sure there is at
2596 least one insn that can be used as an insertion point.
2598 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
2600 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
2602 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
2604 * version.c: Bump for snapshot.
2606 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
2608 Bring over from FSF.
2610 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
2612 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
2613 (get_pc_via_rdpc): Renamed from get_pc_sp64.
2614 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
2616 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
2618 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
2619 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
2621 (sparc_align_{loops,jumps,funcs}_string): Declare.
2622 (sparc_align_{loops,jumps,funcs}): Declare.
2623 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
2624 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
2625 (STACK_BIAS): Define.
2626 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
2628 (SPARC_SETHI_P): New macro.
2629 (CONST_OK_FOR_LETTER_P): Use it.
2630 (ASM_OUTPUT_ALIGN_CODE): Define.
2631 (ASM_OUTPUT_LOOP_ALIGN): Define.
2632 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
2633 (sparc_align_{loops,jumps,funcs}): New globals.
2634 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
2636 (move_operand): Use SPARC_SETHI_P.
2637 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
2639 (arith11_double_operand): Likewise.
2640 (arith10_double_operand): Likewise.
2641 (finalize_pic): Finish sparc64 support.
2642 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
2643 64 bit constants if able.
2644 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
2645 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
2647 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
2648 (get_pc_sp32): Use for sparc64 as well.
2649 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
2650 (sethi_di_sp64_const): Likewise.
2651 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
2652 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
2653 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
2655 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
2657 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
2658 * sparc/linux.h (COMMENT_BEGIN): Likewise.
2659 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
2661 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
2663 Add sparc64 linux support.
2664 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
2665 to xm_file list on 32-bit sparc-linux.
2666 * sparc/xm-sp64.h: New file.
2667 * sparc/linux64.h: New file.
2668 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
2669 Don't include xm-sparc.h.
2670 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
2671 * glimits.h (LONG_MAX): Handle sparc64.
2673 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
2675 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
2676 * sparc.h (ASM_COMMENT_START): Define.
2677 * sparc.c (output_function_prologue): Use it.
2678 (sparc_flat_output_function_{epi,pro}logue): Likewise.
2680 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
2682 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
2683 use sparc.h's copies.
2684 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
2687 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2689 * sparc.c (dwarf2out_cfi_label): Add declaration.
2690 (save_regs, output_function_prologue): Remove cast for it.
2691 (sparc_flat_{save_restore,output_function_prologue): Likewise.
2692 ({save,restore}_regs): No longer inline.
2694 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2696 * fold-const.c (make_range): Correctly handle cases of converting
2697 from unsigned to signed type.
2699 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2701 * fold-const.c (merge_ranges): Make sure that if one range is subset
2702 of another, it will always be the second range. Correct (+,-) case to
2705 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
2707 * final.c (final_end_function): Also do dwarf2 thing if
2708 DWARF2_DEBUGGING_INFO.
2709 (final_start_function): Likewise.
2711 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
2713 * expmed.c (expand_divmod): If compute_mode is not the same as
2714 mode, handle the case where convert_modes() causes op1 to no
2715 longer be a CONST_INT.
2717 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
2718 note holding get_jump_flags() calculation to all JUMP_INSNs.
2719 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
2720 * rtl.c (reg_note_name): Add new note types.
2722 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
2724 * rtlanal.c (computed_jump_p): Fix typo in last change.
2726 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2728 * loop.c (indirect_jump_in_function_p): Return 0
2731 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
2733 * rs6000/xm-rs6000.h: Fix thinko in last change.
2734 * rs6000/xm-sysv4.h: Likewise.
2736 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
2738 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
2740 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
2742 * reg-stack.c (find_blocks): Fix thinko in last change.
2744 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2746 * m68k.c (output_function_prologue): Add dwarf2 support.
2748 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
2749 INCOMING_FRAME_SP_OFFSET): New definitions.
2751 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
2753 * combine.c (try_combine): Use NULL_RTX instead of '0' where
2754 appropriate in calls to gen_rtx().
2755 * cse.c (cse_main): Likewise.
2756 * emit-rtl.c (gen_label_rtx): Likewise.
2757 * expr.c (init_expr_once): Likewise.
2758 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
2759 sched_analyze, init_rgn_data_dependences,
2760 compute_block_backward_dependences): Likewise.
2761 * sched.c (schedule_insns): Likewise.
2762 * varasm.c (immed_double_const): Likewise.
2764 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
2765 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
2767 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
2769 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
2770 (MULTILIB_DEFAULTS): Define.
2771 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
2772 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
2773 (LIBGCC_SPEC): Likewise.
2774 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
2775 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
2776 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
2777 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
2778 (EXTRA_PARTS, TAROUTOPTS): Delete.
2779 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
2780 (MULTILIB_OPTIONS): Define.
2781 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
2782 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
2784 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
2786 * version.c: Bump for snapshot.
2788 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
2790 * loop.c (loop_number): Delete function. Change all references
2791 to use uid_loop_num array.
2792 * loop.h (loop_number): Delete declaration.
2793 * unroll.c (unroll_loop): Change "loop_number" references to
2794 use uid_loop_num instead.
2796 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
2798 (loop_unroll_iter): Remove unused variable and all references.
2799 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
2800 (insert_bct): Fix minor formatting problems.
2801 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
2802 (loop_unroll_iter): Removed unused decl.
2803 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
2804 Always record the unrolling factor.
2806 * cse.c (simplify_relational_operation): Set h0u just like h0s.
2807 Similarly for h1u and h1s.
2809 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
2810 (find_basic_blocks): Use computed_jump_p to determine if a
2811 particular JUMP_INSN is a computed jump.
2812 * reg-stack.c (find_blocks): Use computed_jump_p to determine
2813 if a particular JUMP_INSN is a computed jump.
2814 * rtlanal.c (jmp_uses_reg_or_mem): New function.
2815 (computed_jump_p): Likewise.
2816 * rtl.h (computed_jump_p): Declare.
2817 * genattrtab.c (pc_rtx): Define and initialize.
2818 * loop.c (loop_optimize): Always determine if the current
2819 function has a computed jump.
2820 (indirect_jump_in_function_p): Use computed_jump_p to determine
2821 if a particular JUMP_INSN is a computed jump.
2823 * loop.c (fix_bct_param): Delete unused function.
2824 (check_bct_param): Likewise.
2826 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
2828 * frame.c (__deregister_frame): Check properly for initialized object.
2830 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2832 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
2834 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2836 * jump.c (thread_jumps): check can_reverse_comparison_p before
2837 threading a reversed-condition jump.
2839 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
2840 * haifa-sched.c (update_flow_info): Likewise.
2842 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
2844 * Makefile.in (BOOT_CFLAGS): Use -O2.
2846 * configure.in (strtoul, bsearch): Have autoconf check for these
2848 * configure, config.in: Rebuilt.
2850 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
2851 * mips/mips.h (alloca): Likewise.
2852 * rs6000/xm-rs6000.h (alloca): Likewise.
2853 * rs6000/xm-sysv4.h: Likewise.
2855 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
2857 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
2858 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
2859 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
2861 * except.c (end_eh_unwinder): Subtract 1 from return address.
2862 * libgcc2.c (__throw): Likewise.
2863 (find_exception_handler): Don't change PC here. Compare end with >.
2865 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
2867 * v850.c (compute_register_save_size): Correct register
2869 * v850.md (save_interrupt, return_interrupt): Correct
2871 * v850/lib1funcs.asm (save_interrupt): Correct register number.
2872 (return_interrupt): Use stack pointer, not element pointer.
2874 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
2876 * configure.in, configure: Make sure to create the stage* and include
2877 symbolic links in each subdirectory.
2879 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
2881 * pa.md (reload_peepholes): Don't allow addresses with side
2882 effects for the memory operand.
2884 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
2886 * libgcc2.c (find_exception_handler): Subtract one from our PC when
2887 looking for a handler, to avoid hitting the beginning of the next
2890 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
2892 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
2894 * mips/abi64.h (LONG_MAX_SPEC): Define.
2895 * mips.h (LONG_MAX_SPEC): Define.
2896 (CPP_SPEC): Include long_max_spec.
2897 (EXTRA_SPECS): Include long_max_spec.
2899 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
2901 * v850.c (construct_save_jarl): Fix thinko in last change.
2903 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
2905 * version.c: Bump for snapshot.
2907 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
2909 * libgcc2.c (find_exception_handler): Not found is -1.
2911 * integrate.c (expand_inline_function): Move expand_start_bindings
2912 after expanding the arguments.
2914 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
2916 * expr.c (expand_expr): Remove previous incorrect change.
2917 If target and slot has no DECL_RTL, then call mark_addressable
2918 again for the slot after we give it RTL.
2920 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
2922 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
2923 again for the slot after we give it RTL.
2925 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
2927 * v850.c (register_is_ok_for_epilogue,
2928 pattern_is_ok_for_epilogue, construct_restore_jr,
2929 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
2931 * v850.h (pattern_is_ok_for_prologue,
2932 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
2935 * v850.md: Replace prologue and epilogue patterns with a
2936 match_parallel pattern.
2938 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
2940 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
2941 * configure.in: Use EGCS_PROG_INSTALL.
2943 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
2945 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
2946 extern inline function.
2948 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
2950 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
2951 (concat_loc_descriptor): New function.
2952 (loc_descriptor): Call it.
2953 (add_AT_location_description): Also elide the descriptor if both
2954 halves of a CONCAT are pseudos.
2955 (add_location_or_const_value_attribute): Recognize CONCAT too.
2957 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
2959 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
2961 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
2962 out-or-range reg_offset.
2963 (output_epilog): Likewise.
2965 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
2967 * cse.c (simplify_relational_operation): If MODE specifies a
2968 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
2969 is derived from the sign bit of the low word.
2971 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
2973 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
2975 * dwarf2.h: Add DW_CFA_GNU_args_size.
2976 * frame.c (execute_cfa_insn): Likewise.
2977 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
2978 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
2979 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
2980 insn, hand it off to dwarf2out_stack_adjust.
2981 (dwarf2out_begin_prologue): Initialize args_size.
2982 * frame.h (struct frame_state): Add args_size.
2983 * libgcc2.c (__throw): Use args_size.
2984 * final.c (final_scan_insn): If we push args, hand off all insns
2985 to dwarf2out_frame_debug.
2986 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
2988 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
2989 Handle epilogue restore of SP from FP.
2990 * emit-rtl.c (gen_sequence): Still generate a sequence if the
2991 lone insn has RTX_FRAME_RELATED_P set.
2993 * frame.c (extract_cie_info): Handle "e" augmentation.
2994 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
2995 absence of UNALIGNED_*_ASM_OP.
2996 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
2997 (output_call_frame_info): Use "e" instead of "z" for augmentation.
2998 Don't emit augmentation fields length.
2999 (dwarf2out_do_frame): Move outside of #ifdefs.
3000 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
3003 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
3004 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
3005 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
3006 * sparc/sun4gas.h: New file.
3007 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
3009 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
3010 __register_frame_table and __deregister_frame.
3012 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
3014 * except.c (find_exception_handler_labels): Use xmalloc instead of
3015 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
3018 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
3020 * Makefile.in: Various changes to build info files
3021 in the object tree rather than the source tree.
3023 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
3025 * fixinc.math: New file to fix math.h on some systems.
3026 * configure.in (freebsd, netbsd): Use fixinc.math on these
3028 * configure: Rebuilt.
3030 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
3032 * regmove.c (regmove_optimize): If we end up moving the
3033 original insn due to lifetime overlaps, make sure to move
3036 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
3038 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
3040 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
3042 * haifa-sched.c (add_branch_dependences): Make each insn in
3043 a SCHED_GROUP_P block explicitly depend on the previous insn.
3045 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
3047 * except.h: Prototype dwarf2 hooks.
3050 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
3052 * configure.in (native_prefix): Delete.
3053 (mips-dec-netbsd): Don't set prefix.
3054 (*linux*): Don't set prefix.
3056 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
3058 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
3059 defined. If not defined, include <sys/varargs.h> if
3060 HAVE_SYS_VARARGS_H is defined.
3061 * configure.in: Test for varargs.h and sys/varargs.h.
3062 * configure: Regenerate with autoconf.
3063 * config.in: Regenerate with autoheader.
3065 * cpplib.c (quote_string): Cast first arg of sprintf call
3066 from "unsigned char *" to "char *".
3067 (output_line_command): Ditto.
3068 (macroexpand): Ditto.
3069 (do_line): Cast atoi arg from "unsigned char *" to "char *".
3071 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
3073 * version.c: Bump for snapshot.
3075 * Makefile.in (compare): Exit with nonzero status if there
3076 are comparison failures. Note which files failed the
3077 comparison test in .bad_compare.
3079 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3081 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
3083 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
3085 * Makefile.in (LN, LN_S): New macros, use where appropriate.
3086 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
3087 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
3088 * configure: Regenerated.
3090 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
3092 * loop.c (strength_reduce): Fix typo.
3094 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
3096 * m88k/m88k.c (struct option): Rename to struct options.
3097 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
3098 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
3099 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
3100 __DOLPHIN__ or sysV88.
3102 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
3104 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
3107 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
3109 * config.sub: Accept 'amigados' for backward compatability.
3111 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3113 * Makefile.in (testsuite/site.exp): New target.
3114 (check-gcc, check-g++): Depend on testsuite/site.exp.
3115 Don't stop for failure.
3117 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
3119 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
3120 if DWARF2_UNWIND_INFO.
3122 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
3124 Add support for exception handling using DWARF 2 frame unwind info.
3125 Currently works on SPARC and MIPS, and almost on x86.
3127 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
3128 next_stack_level, in_reg_window): Helper fns.
3129 (__throw): Implement for DWARF2_UNWIND_INFO.
3131 * expr.c (expand_builtin): Handle builtins used by __throw.
3132 * tree.h (enum built_in_function): Add builtins used by __throw.
3133 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
3134 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
3135 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
3136 (expand_builtin_extract_return_addr): Likewise.
3137 (expand_builtin_frob_return_addr): Likewise.
3138 (expand_builtin_set_return_addr_reg): Likewise.
3139 (expand_builtin_eh_stub): Likewise.
3140 (expand_builtin_set_eh_regs): Likewise.
3141 (eh_regs): Choose two call-clobbered registers for passing back values.
3143 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
3144 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
3145 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
3146 (stmp-multilib): Likewise.
3147 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
3149 * except.c: #include "defaults.h".
3150 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
3151 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
3152 (register_exception_table_p): New fn.
3153 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
3154 (end_eh_unwinder): Likewise.
3156 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
3157 call __register_frame and __deregister_frame as needed.
3158 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
3159 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
3160 EH_FRAME_SECTION_ASM_OP.
3161 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
3162 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
3163 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
3165 * dwarf2out.c (output_call_frame_info): If no support for
3166 EXCEPTION_SECTION, mark the start of the frame info with a
3168 * collect2.c (frame_tables): New list.
3169 (is_ctor_dtor): Recognise frame entries.
3170 (scan_prog_file): Likewise.
3171 (main): Pass -fno-exceptions to sub-compile. Also do collection
3172 if there are any frame entries.
3173 (write_c_file_stat): Call __register_frame_table and
3174 __deregister_frame as needed.
3175 (write_c_file_glob): Likewise.
3177 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
3178 Also require unaligned reloc support.
3179 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3180 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
3181 * sparc/sysv4.h: Not here.
3183 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
3184 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
3185 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
3187 * libgcc2.c (L_eh): Reorganize, moving code shared by different
3188 EH implementations to the top.
3189 (find_exception_handler): Split out. Start from 0. Compare against
3191 (__find_first_exception_table_match): Use it.
3192 * except.c (output_exception_table): Don't do anything if there's
3193 no table. Don't output a first entry of zeroes.
3194 (eh_outer_context): Adjust properly.
3195 (add_eh_table_entry): Use xrealloc.
3196 * toplev.c (compile_file): Just call output_exception_table.
3198 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
3200 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
3202 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
3204 * except.c (eh_outer_context): Do masking using expand_and.
3206 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
3208 Add port done awhile ago for the ARC cpu.
3209 * arc/arc.h: New file.
3210 * arc/arc.c: New file.
3211 * arc/arc.md: New file.
3212 * arc/initfini.c: New file.
3213 * arc/lib1funcs.asm: New file.
3214 * arc/t-arc: New file.
3215 * arc/xm-arc.h: New file.
3216 * ginclude/va-arc.h: New file.
3217 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
3218 * ginclude/varargs.h: Likewise.
3219 * Makefile.in (USER_H): Add va-arc.h.
3220 * configure.in (arc-*-elf*): Recognize.
3221 * longlong.h: Add ARC support.
3223 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
3225 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
3226 when clearing non-BLKmode data.
3228 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
3230 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
3231 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
3233 * xm-m88k.h (USG): Only define if it hasn't already been defined.
3235 * Makefile.in (risky-stage1): Delete gratutious whitespace.
3237 * Makefile.in (clean): Delete libgcc1-test.
3239 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
3241 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
3243 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
3246 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3248 * dwarf2out.c (output_call_frame_info): Call named_section.
3250 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
3252 * haifa-sched.c (print_value): Fix last change.
3254 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
3256 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
3259 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
3261 * mips.c (function_prologue): Set up the CFA when ABI_32.
3263 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
3264 for dwarf2 unwind info.
3265 (output_function_prologue, sparc_flat_output_function_prologue): Same.
3267 * final.c (final_end_function): Check dwarf2out_do_frame instead
3268 of DWARF2_DEBUG for dwarf2 unwind info.
3269 (final_scan_insn): Likewise.
3270 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
3273 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
3276 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
3278 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
3280 * v850.h (ASM_SPEC): Pass on target processor.
3281 (CPP_PREDEFINES): Only define if not already specified.
3282 (TARGET_VERSION): Only define if not already specified.
3283 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
3285 (EXTRA_SWITCHES): Extra entries in the switches array.
3286 (TARGET_DEFAULT): Set default target processor.
3288 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
3290 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
3291 cases, add %# and %/, and add : to make them into extended asms.
3293 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
3295 * alias.c (init_alias_analysis): Clean up incompatible pointer
3296 type warning in bzero.
3297 * regmove.c (regmove_optimize): Ditto.
3298 * haifa-sched.c (find_rgns): Ditto.
3300 * haifa-sched.c (print_value): Clean up ptr->int cast
3303 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
3305 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
3306 * install.texi (Configurations): Ditto.
3307 * config.sub: Ditto.
3309 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
3311 * Makefile.in (sdbout.o): Depend on insn-config.h.
3313 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
3315 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
3316 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
3318 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
3320 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
3321 prologue insn, only the first elt is significant.
3322 (output_call_frame_info): For exception handling, always use 4-byte
3323 fields as specified by the dwarf2 spec.
3324 Don't skip trivial FDEs.
3326 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
3328 * version.c: Bump for snapshot.
3330 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
3332 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
3333 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
3336 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
3338 * final.c (shorten_branches): During first pass, assume worst
3339 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
3341 * Makefile.in (distclean): Remove various things left around
3342 by running the testsuite.
3344 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
3346 * configure.in (out_file): Emit definition to config.status in order
3347 to have a defined value for configure.lang.
3348 * configure: Re-built.
3350 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
3352 * configure.in: Make symlink to as-new rather than as.new. Similarly
3354 * configure: Rebuilt.
3356 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
3358 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
3360 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
3362 * sparc/sparc.md: Add ultrasparc scheduling support.
3363 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
3365 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
3367 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
3368 as initial value for real_label_map.
3369 (copy_for_inline): Likewise.
3371 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3373 * sched.c (update_flow_info) When looking if to set found_split_dest
3374 or found_orig_dest, look at all parts of a PARALLEL.
3375 * haifa-sched.c (update_flow_info): Likewise.
3377 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
3379 * v850: New directory for v850 port.
3380 * v850/lib1funcs.asm: New file.
3381 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
3382 * ginclude/va-v850.h: New file.
3383 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
3384 * configure.in (mn10200-*-*): New target.
3385 * configure: Rebuilt.
3386 * config.sub: Handle v850-elf.
3387 * Makefile.in (USER_H): Add va-mn10200.h.
3388 * invoke.texi: Document v850 stuff.
3390 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
3392 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
3393 has integer TYPE_{MAX,MIN}_VALUE before using them.
3395 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
3396 __HPUX_ASM__ versions.
3398 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
3400 * install.sh: Delete duplicate install script.
3402 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
3404 * reg-stack.c (subst_stack_regs): Pop the stack register for a
3405 computed goto which sets the same stack register.
3407 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
3408 destination are both on the regstack.
3409 (subst_stack_regs_pat): Put the destination at the top of the regstack.
3411 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
3413 * mips.md (nonlocal_goto_receiver): Define.
3415 * profile.c (output_arc_profiler): Check next_insert_after for non
3416 NULL before deferencing it.
3418 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
3420 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
3422 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
3424 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
3426 * toplev.c (rest_of_compilation): For passes starting with
3427 flow_analysis, use print_rtl_with_bb instead of print_rtl.
3429 * print-rtl.c (print_rtl_single): Print a single rtl value to a
3432 * flow.c (print_rtl_with_bb): Print which insns start and end
3433 basic blocks. For the start of a basic block, also print the live
3436 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
3438 * toplev.c (main): Change #elif to #else/#ifdef
3440 * tlink.c: Include ctype.h.
3441 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
3443 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
3445 * bitmap.c: Conditionally include stdlib.h.
3446 (free): Provide a declaration if NEED_DECLARATION_FREE.
3448 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
3450 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
3452 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
3454 * profile.c (output_arc_profiler): Verify next_insert_after is an
3455 INSN before and after skipping a stack pop.
3457 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3459 * final.c (shorten_branches): Don't count the lengths of deleted
3462 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
3464 * version.c: Bump for snapshot.
3466 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
3468 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
3469 two bitmaps ANDed together.
3470 (bitmap_print): Declare.
3472 * bitmap.c (function_obstack): Don't declare any more.
3473 (bitmap_obstack): Obstack for allocating links from.
3474 (bitmap_obstack_init): New static to say whether to initialize
3476 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
3477 (bitmap_release_memory): Free all memory allocated from
3480 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
3481 EXECUTE_IF_AND_IN_BITMAP.
3483 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
3485 * alias.c (true_dependence): Address with AND can alias scalars.
3486 (anti_dependence, output_dependence): Likewise.
3488 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
3490 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
3492 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
3493 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
3494 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
3495 definitions. Use -qrtems instead of -mrtems.
3497 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
3499 * xm-sco5.h (sys_siglist): Define.
3500 (SYS_SIGLIST_DECLARED): Likewise.
3502 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
3504 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
3506 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
3508 * except.c (eh_outer_context): Expand masking operation using
3511 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
3513 * alpha.md (floatdisf2-1): New pattern.
3515 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
3517 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
3518 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
3519 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
3520 * gcc.texi: Note that if you define sys_siglist that you should
3521 also define SYS_SIGLIST_DECLARED.
3523 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
3524 are relative to the next instruction, not the current instruction.
3526 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
3528 * local-alloc.c (contains_replace_regs): New function.
3529 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
3530 verify that there is no existing REG_EQUIV note, and add a call to
3531 contains_place_regs.
3533 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3535 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
3536 (STARTFILE_SPEC): Always use crtbegin.o%s
3537 (ENDFILE_SPEC): Always use crtend.o%s.
3539 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
3541 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
3543 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
3544 SFmode for 64 bit hosts.
3546 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
3548 * fixincludes: Permits spaces between # and define. Discard C++
3549 comments in sys/pci.h on HP/UX 10.20.
3551 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
3553 * version.c: Bump for snapshot.
3555 * pa.c (restore_unscaled_index_insn_codes): New function.
3556 (record_unscaled_index_insn_codes): Likewise.
3557 (output_function_prologue): Call restore_unscaled_index_insn_codes.
3558 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
3559 (pa_reorg): Call record_unscaled_index_insn_codes.
3561 * haifa-sched.c (move_insn): Handle notes correctly for insns
3562 with SCHED_GROUP_P set.
3564 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3566 * alpha/xm-linux.h (USE_BFD): Undef before define.
3568 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
3570 * cse.c (cse_insn): Don't record BLKmode values.
3572 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
3574 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
3576 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
3578 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
3579 * collect2.c (sys_errlist): Likewise.
3580 * cpplib.c (sys_errlist): Likewise.
3581 * gcc.c (sys_errlist): Likewise.
3582 * protoize (sys_errlist): Likewise.
3583 * configure.in: Check for strerror.
3584 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
3585 * xm-gnu.h (HAVE_STRERROR): Likewise.
3586 * xm-linux.h (HAVE_STRERROR): Likewise.
3587 * xm-netbsd.h (HAVE_STRERROR): Likewise.
3588 * xm-bsd386.h (HAVE_STRERROR): Likewise.
3589 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
3590 * xm-dos.h (HAVE_STRERROR): Likewise.
3591 * xm-mingw32.h (HAVE_STRERROR): Likewise.
3592 * xm-pa.h (HAVE_STRERROR): Likewise.
3593 * xm-papro.h (HAVE_STRERROR): Likewise.
3594 * xm-sysv4.h (HAVE_STRERROR): Likewise.
3595 * configure, config.in: Rebuilt.
3597 * Makefile.in: Add several missing "else true" clauses.
3599 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
3600 * mips-tfile.c: Likewise.
3601 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
3602 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
3603 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
3604 * configure.in: Check for sys_siglist declaration.
3605 * configure, config.in: Rebuilt.
3607 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
3609 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
3610 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
3611 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
3612 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
3613 * rs6000/sysv4.h (extra_subtarget_switches): Added new
3614 macro EXTRA_SUBTARGET_SWITCHES.
3615 * configure.in (sh*-*-rtems*): New target.
3616 * sh/rtems.h: New file.
3617 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
3618 * configure: Rebuilt.
3620 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
3622 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
3624 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
3626 * rs6000.md: Make DF fused-add operations pay attention to
3629 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
3631 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
3633 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
3635 * pa.md (reload_peepholes): Make sure operand is a REG before
3636 examining REGNO. Allow general registers too.
3638 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
3640 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
3642 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
3644 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
3645 to reallocate abbrev_die_table.
3647 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
3649 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
3651 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3653 * Makefile.in (config.status): Depend on version.c
3655 * expr.h (insn_gen_function): Reenable prototype.
3657 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
3660 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
3662 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
3664 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
3666 * version.c: Bump for latest snapshot.
3668 * bc-optab.c: Conditionally include stdlib.h.
3669 (free): Provide a declaration if NEED_DECLARATION_FREE.
3670 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
3671 * rtl.h (free): Remove declaration.
3672 * tree.h (free): Remvoe declaration.
3674 * configure: Rebuilt.
3676 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
3678 * flags.h (flag_move_all_movables): Declare.
3679 (flag_reduce_all_givs): Likewise.
3680 * loop.c (move_movables): Handle flag_move_all_movables.
3681 (strength_reduce): Handle flag_reduce_all_givs.
3682 * toplev.c (flag_move_all_movables): Define.
3683 (flag_reduce_all_givs): Likewise.
3684 (f_options): Add -fmove-all-movables and -freduce-all-givs.
3685 * invoke.texi: Document new options, including alias stuff that
3686 wasn't included last time.
3688 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
3690 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
3693 * t-vxworks68: Ditto.
3694 * t-vxworks960: Ditto.
3697 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
3699 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
3700 if not already defined, and USE_C_ALLOCA not defined.
3702 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
3704 * config.guess: Replace with script that uses ../config.guess.
3706 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
3707 if USE_GNULIBC_1 is not defined.
3709 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
3711 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
3712 * config.guess: Recognize alpha-linux-gnulibc1.
3713 * configure.in (alpha-*-linux-gnulibc1): New target.
3714 (alpha-*-linux-gnu*): Don't build crtbegin/end.
3716 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
3718 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
3721 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
3723 * loop.c (combine_movables): Earlier insns don't match later ones.
3725 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3727 * config/linux.h (CC1_SPEC): Define it only if not defined.
3729 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
3732 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
3733 USE_GNULIBC_1 is not defined.
3735 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
3737 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
3738 as 1 if USE_GNULIBC_1 is not defined.
3740 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
3742 * reorg.c (dbr_schedule): Allow current_function_return_rtx
3743 to be something other than a REG.
3744 * function.c (expand_function_end): Fix current_function_return_rtx
3747 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
3748 * x-netbsd: Likewise
3749 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
3750 (INSTALL_HEADERS): Delete.
3751 * x-dguxbcs: Likewise.
3752 * x-hp3bsd44: Likewise
3755 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3757 * i386.md (pop): pop increments the stack pointer.
3758 (prologue_set_stack_ptr): New pattern.
3759 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
3762 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
3764 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
3765 address where an offsettable address is required.
3767 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
3769 * loop.c (check_final_value): Don't miss a biv increment in a
3772 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
3774 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
3775 TYPE_DECL_IS_STUB instead of DECL_NAME.
3777 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3779 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
3781 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
3783 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
3785 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
3787 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
3788 (find_post_sched_live): Likewise.
3790 * haifa-sched.c (schedule_block): Remove old code to get arguments
3791 from hard regs into pseudos early.
3793 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
3795 * version.c: Bump for new snapshot.
3797 * local-alloc.c (update_equiv_regs): All the target to reject
3798 promotion of some REG_EQUAL to REG_EQUIV notes.
3799 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
3801 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
3804 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
3805 store of the argument registers.
3807 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
3809 * fold-const.c (multiple_of_p): New function.
3810 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
3812 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
3814 * expr.h (insn_gen_function): Temporarily remove prototype.
3816 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
3818 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
3819 filenames. Use sed to extract base filename for install.
3821 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
3823 * unroll.c (find_splittable_givs): Only share if two givs have the
3824 same add and multiply values.
3826 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
3828 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
3829 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
3831 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
3833 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
3834 around branch tables.
3835 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
3836 and .end_brtab directives if TARGET_GAS.
3838 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
3840 * alias.c (true_dependence): Pass x_addr not x to varies.
3842 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
3843 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
3844 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
3846 * config.in, configure: Regenerate.
3848 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
3850 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
3852 (record_set): Handle LO_SUM like PLUS.
3853 (init_alias_analysis): When following chains of base addresses,
3854 do not stop on reaching a hard register.
3856 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
3858 * version.c: Bump for new snapshot.
3860 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
3862 * alpha.h (ARCH_ASM_FILE_START): Define.
3863 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
3864 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
3866 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
3868 * Makefile.in (install-common): Put gcov comment at start of line.
3870 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
3872 * alias.c (init_alias_analysis): When simplifying the reg_base_value
3873 array, simplify entries for hard registers too.
3875 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
3877 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
3880 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
3882 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
3883 block_stack before dereferencing it.
3885 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
3887 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
3889 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
3891 * cplus-dem.c: Add 'extern' to prepends_underscore.
3893 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
3895 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
3896 (get_issue_rate): Delete.
3897 * pa.h (ISSUE_RATE): Define.
3899 * configure.in: Turn on haifa by default for the PA.
3900 * configure: Rebuilt.
3901 * pa.c (override_options): Accept -mschedule=7200 option.
3902 (pa_adjust_cost): No longer need to scale costs for newer
3904 * pa.h (enum processor_type): Add PROCESSOR_7200.
3905 * pa.md: Revamp scheduling parameters to work better with
3906 haifa. Add scheduling parameters for the 7200.
3908 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
3910 (schedule_block): When adjusting basic_block_{head,end}, account
3911 for movement of SCHED_GROUP_P insns too.
3913 * haifa-sched.c (debug_dependencies): Fix thinko.
3915 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
3916 (site.exp, check, check-g++, check-gcc): New targets.
3918 * haifa-sched.c: Make lots of variables static.
3920 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3922 * expr.h, real.h: Finish prototyping.
3924 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
3926 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
3927 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
3928 * reload1.c: Undo bugfix from Aug 11.
3930 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
3932 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
3933 quotes around the name.
3934 * configure: Regenerate.
3936 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
3938 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
3940 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
3942 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
3943 to sub-makes to avoid building more passes than the user might have
3944 requested on the command line.
3946 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
3948 * configure.in: Expurgate `broken_install' (install is
3951 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
3954 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
3956 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
3957 functions and declarations.
3958 (analyze_loop_iterations): Use condjump_p.
3959 (insert_bct): Likewise. Use exact_log2.
3961 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
3963 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
3964 (schedule_region): Likewise.
3965 (schedule_insns): Likewise.
3967 * PROJECTS: Update with Haifa stuff.
3969 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
3971 * version.c: Change the version string to look like:
3972 egcs-2.90.00 970814 (gcc2-970802 experimental).
3974 * loop.c (is_conditional_branch): Make definition match declaration.
3976 * gcc.c: Take out experimental snapshot warning message.
3978 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
3980 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
3981 print out the names of the notes. Print out the name of the insn
3982 that is not a note, and not an {,CALL_,JUMP_}INSN.
3984 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
3986 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
3987 again for the slot after we give it RTL.
3989 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
3991 * configure.in (haifa configury): Fix typo.
3992 * configure: Regenerate.
3994 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
3996 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
3998 * gcc.info*: Rebuilt.
4000 * COPYING.g77, README.g77: New files.
4001 * real.c (ereal_unto_float, ereal_unto_double): New functions.
4002 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
4003 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
4005 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
4007 * Integrate Haifa instruction scheduler.
4008 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
4009 to sched with $(SCHED_CFLAGS.
4010 * configure.in: Handle --enable-haifa.
4011 * configure: Rebuilt.
4012 * flags.h: Add new flags for haifa instruction scheduler.
4013 * genattrtab.c (expand_units): For haifa, don't subtract one
4014 when computing blockage.
4015 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
4016 (flag_schedule_speculative): Ditto.
4017 (flag_schedule_speculative_load): Ditto.
4018 (flag_schedule_speculative_load_dangerous): Ditto.
4019 (flag_schedule_reverse_before_reload): Ditto.
4020 (flag_schedule_reverse_after_reload): Ditto.
4021 (flag_branch_on_count_reg): Ditto.
4022 (f_options): Add Haifa switches.
4023 (main): Turn off some Haifa options if appropriate macro is
4024 defined. Process Haifa switches.
4025 * unroll.c (iteration_info): No longer static, since Haifa
4027 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
4028 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
4029 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
4030 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
4031 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
4032 storage for the Haifa scheduler.
4033 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
4035 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
4036 are defined, call analyze_loop_iterations and insert_bct to use
4038 (record_giv): Refine test for jumps out of loops if HAIFA is
4040 (analyze_loop_iterations): New function to identify if we can use
4042 (insert_bct): Insert countdown loop.
4043 (instrument_loop_bct): Low level code to insert countdown loop.
4044 (loop_number): Calculate UID of loop.
4045 (indirect_jump_in_function_p): Return true if an indirect jump is
4047 (is_power_of_2): Return true if value is a power of 2.
4048 (is_conditional_branch): Return true if insn is a conditional
4050 (fix_bct_param): Process -fbct-{min,max}-N switches.
4051 (check_bct_param): Return true if loop should be instrumented.
4052 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
4053 (loop_optimize): Initialize.
4054 (get_condition_for_loop): Ditto.
4055 * loop.c (strength_reduce): Inside of code that uses #ifdef
4056 HAVE_decrement_and_branch_on_count code, test it to make sure the
4058 (instrument_loop_bct): Ditto.
4059 * haifa-sched.c: New file.
4062 * Integrate regmove pass.
4063 * Makefile.in (OBJS): Add regmove.o
4064 (regmove.o): Add dependencies.
4065 * flow.c (find_use_as_address): No longer static.
4066 * rtl.h (find_use_as_address): Declare.
4067 * toplev.c (regmove_dump, flag_regmove): Define.
4068 (f_options): Add -fregmove.
4069 (regmove_dump_file, regmove_time): Define.
4070 (fatal_insn): Close the regmove dump file.
4071 (compile_file): Initialize regmove_time; open/close the regmove dump
4072 file as needed. Print regmove time as needed.
4073 (rest_of_compilation): Run regmove pass if requested, dump
4074 RTL after regmove if requested.
4075 (main): If -O2 or more, turn on regmove. Handle dump switches.
4076 * regmove.c: New file.
4078 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
4080 * Integrate tlink patch from jason@cygnus.com
4081 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
4082 (process_command): Increment n_switches for them. Don't discard
4083 their args. Validate them.
4084 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
4086 (process_command): Set include_prefixes from COMPILER_PATH.
4087 (main): Set COLLECT_GCC_OPTIONS sooner.
4088 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
4089 * tlink.c, hash.c, hash.h: New files.
4090 * Makefile.in (USE_COLLECT2): Always use collect2.
4091 (collect2): Depend on and link in hash.o and tlink.o.
4092 (tlink.o, hash.o): Add dependencies.
4094 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
4096 * Integrate alias analysis changes from jfc@mit.edu
4097 * Makefile.in (OBJS): Add alias.o
4098 (alias.o): Add dependencies.
4099 * alias.c: New file.
4100 * sched.c: Remove alias analysis code. It lives in alias.c now.
4101 (sched_analyze_2): Add new arguments to true_dependence.
4102 (schedule_insns): Always call init_alias_analysis.
4103 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
4104 mark return value from such functions as a pointer and keep track of
4105 them for alias analysis. If a return value from a function is a
4106 pointer, mark it as such.
4107 * combine.c (distribute_notes): Handle REG_NOALIAS.
4108 * cse.c (struct write_data): Delete. No longer needed.
4109 (invalidate): Don't call set_nonvarying_address_components anymore.
4110 Use true_dependence to decide if an entry should be removed from
4112 (invalidate_memory): Remove WRITES argument, simplify appropriately.
4114 (note_mem_written): Similarly for WRITE_PTR argument.
4115 (invalidate_from_clobbers): Similarly for W argument.
4116 (invalidate_for_call): Remove memory elements from the hash table.
4117 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
4118 (cse_rtx_varies_p): New function. Derived from old
4119 cse_rtx_addr_varies_p.
4120 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
4121 Don't call note_mem_written anymore. Stack pushes invalidate the stack
4122 pointer if PUSH_ROUNDING is defined. No longer need to call
4123 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
4124 (skipped_writes_memory): Remove variable.
4125 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
4126 (invalidate_skipped_block): Simplify for new alias analysis code.
4127 (cse_set_around_loop): Likewise.
4128 (cse_main): Call init_alias_analysis.
4129 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
4130 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
4131 (f_options): Add new alias checking arguments.
4132 (main): Set flag_alias_check when optimizing.
4133 * local_alloc (validate_equiv_mem_from_store): Add new arguments
4135 (memref_referenced_p): Likewise.
4136 * loop.c (NUM_STORES): Increase to 30.
4137 (prescan_loop): Only non-constant calls set unknown_address_altered.
4138 (invariant_p): Add new arguments to true_dependence.
4139 (record_giv): Initialize unrolled and shared fields.
4140 (emit_iv_add_mult): Call record_base_value as needed.
4141 * loop.h (struct induction): Add unrolled and shared fields.
4142 * unroll.c (unroll_loop): Call record_base_value as needed.
4143 (copy_loop_body): Likewise.
4144 (final_biv_value): Likewise.
4145 (final_giv_value): Likewise.
4146 (find_splittable_regs): Likewise. Only create one new pseudo
4147 if we have multiple address GIVs that were combined with the same
4148 dst_reg GIV. Note when a new register is created due to unrolling.
4149 * rtl.c (reg_note_name): Add REG_NOALIAS.
4150 * rtl.h (enum reg_note): Similarly.
4151 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
4152 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
4153 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
4154 (true_dependence, read_dependence, anti_dependence): Likewise.
4155 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
4156 (mark_user_reg, mark_reg_pointer): Likewise.
4159 * Integrate reload bugfix from Wilon which enables the PA port
4161 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
4162 OPERAND_ADDRESS when computing how many registers an insn needs.
4163 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
4165 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
4167 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
4168 in reload_reg_use_in_op_addr do not reach the end.
4169 do not reach the end.
4170 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
4171 RELOAD_FOR_OPERAND_ADDRESS.
4173 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
4175 * egcs project officially starts.
projects / platform / upstream / gcc.git / blob