1 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
3 * svr4.h (LINK_SPEC): Never specify -h.
4 * ptx4.h (LINK_SPEC): Likewise.
5 * rs6000/sysv4.h (LINK_SPEC): Likewise.
6 * sparc/sol2.h (LINK_SPEC): Likewise.
8 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
10 * c-typeck.c (comptypes): Exit early on NULL input.
12 * haifa-sched.c (schedule_insns): Correctly remove inter-block
13 dependencies after reload.
15 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
17 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
19 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
21 * alpha/vms.h (DIR_SEPARATOR): define
23 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
25 * Makefile.in (stamp-proto): Remove.
26 (protoize.o, unprotoize.o): Straightforward compile.
27 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
29 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
31 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
32 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
34 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
36 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
37 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
38 * sparc/netbsd.h, vax/netbsd.h: Likewise.
40 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
42 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
44 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
46 * configure.in (target_cpu_default, target_cpu_default2): Use double
47 quotes around them when testing their value.
50 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
52 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
54 (gendef): Call obstack_alloc_rtx.
56 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
58 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
61 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
63 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
64 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
65 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
67 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
69 * mips.md (return_internal): Change mode from SImode to VOIDmode.
71 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
73 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
76 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
78 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
79 suffix from operand 3.
81 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
82 Jeffrey A Law (law@cygnus.com)
84 * regmove.c: New implementation of regmove pass.
85 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
86 decls, make them have external linkage. Return a value from
88 * reload.h (count_occurrences): Add decl.
89 * reload1.c (count_occurrences): Delete decl, make it have external
91 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
93 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
95 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
98 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
100 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
101 * emit-rtl.c (gen_rtx): Move special code to ...
102 (gen_rtx_CONST_INT): New function.
103 (gen_rtx_REG): New function.
104 (*): Update all calls to gen_rtx.
105 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
106 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
107 (GEN_INT): Call gen_rtx_CONST_INT.
108 * gengenrtl.c: New file.
110 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
112 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
113 (base_alias_check): If no base found for address call canon_rtx and
116 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
118 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
119 arguments for mips16.
120 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
121 Don't lose if tsize is zero after handling large stack for mips16.
122 * mips.md (return): For trivial return, return address is in $31.
124 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
126 * mips/mips16.S: Various changes to make it work with -msingle-float
129 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
130 Ian Lance Taylor <ian@cygnus.com>
131 Jeff Law <law@cygnus.com>
133 * mips.c, mips.h, mips.md: First cut at merging in mips16
134 support. Major modifications throughout all three files.
136 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
138 * configure.in: Make gthr-default.h a forwarding header instead of
141 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
143 * gcov-io.h: Include sys/types.h to ensure we get size_t.
145 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
147 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
148 Jeffrey A Law (law@cygnus.com)
150 * crtstuff.c (__frame_dummy): New function for irix6.
151 (__do_global_ctors): Call __frame_dummy for irix6.
152 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
154 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
156 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
158 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
160 * c-decl.c (init_decl_processing): Provide proper fallback symbol
161 for __builtin_memset.
162 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
163 not INTEGER_CST. Assert arg 3 is a constant.
165 * alpha.c (mode_width_operand): Accept 64-bit modes.
166 (mode_mask_operand): Likewise.
167 (print_operand): Likewise for 'M' and 'U' codes.
168 (alpha_expand_unaligned_load): New function.
169 (alpha_expand_unaligned_store): Likewise.
170 (alpha_expand_unaligned_load_words): Likewise.
171 (alpha_expand_unaligned_store_words): Likewise.
172 (alpha_expand_block_move): Likewise.
173 (alpha_expand_block_clear): Likewise.
174 * alpha.h (MOVE_RATIO): New define.
175 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
176 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
178 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
179 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
181 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
183 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
186 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
188 * emit-rtl.c (operand_subword): Correctly handle extracting a word
189 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
191 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
194 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
196 * configure.in: Set and subsitute host_exeext. Use it when creating
197 the assembler and linker symlinks.
198 * configure: Rebuild.
199 * Makefile.in (exeext): Set to @host_exeext@.
200 (build_exeext): New variable, set to @build_exeext@.
201 (FLAGS_TO_PASS): Pass down build_exeext.
202 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
205 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
207 * mn10200.md (addsi3, subsi3): Fix thinkos.
209 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
211 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
212 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
213 unix always, since we want to be able to thunk to functions in a
214 shared library from an application.
216 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
218 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
219 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
221 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
223 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
224 offset's mode is not ptr_mode, convert it.
226 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
228 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
229 compiling if it was already defined.
231 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
233 * flow.c (find_basic_blocks): Don't create a new basic block
234 for calls in a LIBCALL block.
236 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
238 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
240 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
242 * cse.c (rtx_cost): Remove conflicting default case.
244 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
246 * configure.in: Move default enabling of Haifa out of for loop.
247 * configure: Rebuild.
249 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
251 * version.c: Bump for snapshot.
253 1997-12-25 Teemu Torma <tot@trema.com>
255 * Makefile.in (GTHREAD_FLAGS): New var.
256 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
257 (distclean): Remove gthr-default.h.
259 * configure.in: Accept dce as a thread package.
260 Check for thread.h and pthread.h.
261 Link gthr-default.h to appropriate thread file and set
263 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
264 include multilib definitions from pa/t-dce-thr.
265 (sparc-*-solaris2*): Enable threads by default, if thread.h or
266 pthread.h is found, preferring posix threads over solaris ones.
268 * config/pa/t-dce-thr: New file.
269 * config/pa/t-pa: Removed multilibs.
270 * config/sparc/t-sol2: Ditto.
273 * gthr-single.h: New file.
274 * gthr-posix.h: New file.
275 * gthr-solaris.h: New file.
276 * gthr-dce.h: New file.
277 * libgcc-thr.h: Removed.
278 * objc/thr-dce.c: New file copied from thr-decosf1.c.
280 * frame.c: Include gthr.h instead of libgcc-thr.h.
281 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
282 (eh_context_initialize): If __gthread_once fails, use static eh
284 (eh_context_free): Call __gthread_key_dtor.
286 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
288 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
290 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
292 * cse.c (max_insn_uid): New variable.
293 (cse_around_loop): Use max_insn_uid.
294 (cse_main): Set max_insn_uid.
296 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
297 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
298 -mlong64, and -mgp{32,64} options.
299 * mips.c (mips_abi): Change type to int.
300 * mips.h (enum mips_abi_type): Delete.
301 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
302 (mips_abi): Change type to int.
304 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
306 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
307 optimization is now always enabled.
309 * calls.c (expand_call): Recognize C++ operator new as malloc-like
312 * alias.c (memrefs_conflict_p): Eliminate tests now done by
314 (*_dependence): Call canon_rtx before base_alias_check.
315 (init_alias_once): New function to precompute set of registers which
316 can hold Pmode function arguments.
318 * rtl.h: Declare init_alias_once.
320 * toplev.c (compile_file): Call init_alias_once.
322 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
324 * tree.c (restore_tree_status): Do not dereference a null pointer.
326 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
328 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
329 RLIMIT_STACK. This maintains consistency with the recent, similar
330 patch to cccp.c and toplev.c.
332 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
334 * genattrtab.c (expand_units): For large nr opclasses, expand
335 function_units_used with ORX to prevent blowups. Tag with FFS.
336 (num_unit_opclasses): New variable.
337 (gen_unit): Update it.
338 (enum operator): Add ORX_OP.
339 (operate_exp): Treat ORX as or, except don't expand across an if.
340 Reuse number rtx's after operating on them.
341 (check_attr_value): Accept IOR, AND, & FFS.
342 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
343 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
344 (write_expr_attr_cache, write_toplevel_expr): New functions.
345 (write_attr_get): Handle FFS-tagged expressions.
346 (make_canonical): Don't expand const attributes.
347 (convert_const_symbol_ref): Dike out.
348 (evaluate_eq_attr): Handle SYMBOL_REF.
349 (main): Don't emit get_attr_foo for const attributes.
351 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
352 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
353 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
354 * alpha.md: Redo all of the scheduling, adding EV6 support, and
355 combining function units where possible.
356 (attr "type"): Split loads, stores, cmov into int/fp. Combine
357 multiplies and divides. Add EV6 sqrt, ftoi, itof.
358 (attr "opsize"): New attribute.
359 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
360 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
361 to control register allocation.
362 (movsi2-1, movdi2-1): Likewise.
364 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
366 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
367 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
368 Move OSF/1 specific defines out.
369 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
370 Move Linux specific defines out.
371 (LINK_SPEC): Genericize.
372 (ASM_FILE_START): Emit .arch if using more than the base insn set.
373 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
374 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
375 (HANDLE_SYSV_PRAGMA): Define.
376 * alpha/osf.h: New file.
377 * alpha/linux.h: Split. Retain file-format independant defines.
378 Import Linux bits from elf.h.
379 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
380 (FUNCTION_PROFILER): _mcount takes its address in $28.
381 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
382 * alpha/linux-ecoff.h: New file.
383 * alpha/linux-elf.h: New file.
384 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
385 * alpha/win-nt.h (TARGET_DEFAULT): Define.
386 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
387 Add new headers as appropriate.
389 * configure.in (alpha*): Enable Haifa by default.
390 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
391 * configure: Rebuild.
393 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
395 * Makefile.in (clean): Remove the stages with their objects here ...
396 (distclean): ... instead of here.
398 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
400 * cse.c (rtx_cost): Add default case in enumeration switch.
401 * fix-header.c (recognized_macro): Likewise.
402 (recognized_extern): Likewise.
403 (write_rbrac): Likewise.
404 * objc/objc-act.c (encode_aggregate): Likewise.
405 (gen_declarator): Likewise.
406 (gen_declspecs): Likewise.
408 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
410 * haifa-sched.c (create_reg_dead_note): Detect and handle another
411 case where we kill more regs after sched than were killed before
413 * sched.c (create_reg_dead_note): Similarly.
415 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
417 * c-pragma.c: Include flags.h.
419 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
421 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
422 about system headers.
423 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
424 and also to resolve symbols in prefix.c.
426 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
427 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
428 when the definitions in auto-config.h is not visible.
429 (HAVE_BZERO): Likewise.
430 (HAVE_BCMP): Likewise.
431 (HAVE_RINDEX): Likewise.
432 (HAVE_INDEX): Likewise.
434 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
436 * pa.c (emit_move_sequence): Handle a function label source
439 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
441 * c-pragma.c (handle_pragma_token): Generate warning messages
442 about unknown pragmas if warn_unknown_pragmas is set.
444 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
445 line option to set variable: warn_unknown_pragmas.
447 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
449 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
451 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
453 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
455 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
456 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
457 generate more fine grained floating point emulation libraries.
458 * config/fp-bit.c: Add protecting #ifdef to all functions so
459 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
460 then compile all suitable functions.
461 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
462 underscores to avoid namespace pollution.
463 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
465 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
469 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
470 Jeff Law <law@cygnus.com>
472 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
474 * c-decl.c (finish_decl): Use parentheses around && within ||.
475 * rtl.c: Include stdlib.h.
476 (read_skip_spaces): Add parentheses around assignments used as
478 (read_rtx): Initialize list_rtx.
479 * cppexp.c (parse_number): Use || when operands are truth values.
480 * alias.c (find_base_value): Add default case.
481 (memrefs_conflict): Likewise.
482 * combine.c (sets_function_arg_p): Likewise.
483 * genemit.c (gen_exp): Likewise.
484 * local-alloc.c (contains_replace_regs): Likewise.
485 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
486 * fold-const.c (fold_convert): Use "&&" for truth values.
487 (fold): Add default case.
488 * sdbout.c (sdbout_field_types): Fix typo in declaration.
489 (sdbout_one_type): Add default case.
490 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
491 (some_operand): Add default case.
492 (input_operand): Likewise.
493 (signed_comparison_operator): Likewise.
494 (divmod_operator): Likewise.
495 (alpha_set_memflags_1): Likewise.
496 * reload1.c (reload_cse_simplify_operands): Ensure function
497 always returns a value.
498 * scan-decls.c (scan_decls): Likewise.
499 * c-lex.c (skip_white_space): Fix typo in declaraion.
500 * c-typeck.c (comp_target_types): Add parentheses around assignment
502 (print_spelling): Likewise.
503 (constructor_implicit, constructor_result): Remove unused variables.
504 * collect2.c (scan_library): Protect prototype with
505 #ifdef SCAN_LIBRARIES.
506 * emit-rtl.c (find_line_note): Fix typo in declaration.
507 * final.c (asm_insn_count): Protect prototype with
508 #ifdef HAVE_ATTR_length.
509 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
510 (try_pre_increment_1, try_pre_increment): Likewise.
511 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
512 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
513 * gcov-io.h (__store_long, __write_long, __read_long): Fix
514 unsigned/signed comparisons.
515 * gcov.c (read_files): Remove unused "first_type" variable.
516 (scan _for_source_files): Initialize s_ptr.
517 (function_summary): Eliminate "%lf" formatting, use %ld for
519 (output_data): Initialize branch_probs and last_line_num.
520 Eliminate "%lf" formatting, use "%ld" for longs.
522 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
524 * mips16.S: New file.
526 * libgcc2.c (varargs): Handle mips16.
528 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
530 * stmt.c (expand_end_case): Likewise.
531 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
532 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
533 * rs6000.h, sh.h, tahoe.h, v850.h vax.h z8k.h: Likewise.
535 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
537 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
539 (libobjc.a): Update dependency list.
540 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
542 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
543 (objc.mostlyclean): Remove runtime-info.h.
545 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
547 * tree.c (build_range_type): Allow creation of ranges with no maximum.
548 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
549 * dwarf2out.c (add_subscript_info): Likewise.
550 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
551 * sdbout.c (plain_type_1): Likewise.
552 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
554 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
557 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
559 * mips.c (fatal): Remove declaration.
561 1997-12-18 Mark Mitchell <mmitchell@usa.net>
563 * integrate.c (get_label_from_map): New function.
564 (expand_inline_function): Use it. Initialize the label_map to
565 NULL_RTX instead of gen_label_rtx.
566 (copy_rtx_and_substitute): Use get_label_from_map.
567 * integrate.h (get_label_from_map): New function.
568 (set_label_from_map): New macro.
569 * unroll.c (unroll_loop): Use them.
570 (copy_loop_body): Ditto.
572 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
574 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
575 (INIT_TARGET_OPTABS): Define.
576 * mips/ecoff.h: Include gofast.h before mips.h.
577 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
578 * mips/elf64.h: Likewise.
579 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
581 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
583 * except.c: Remove register_exception_table{,_p}.
585 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
587 * unroll.c (calculate_giv_inc): Handle constant increment found in
588 a MEM with an appropriate REG_EQUAL note.
590 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
592 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
593 frame pointer in the prologue.
595 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
597 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
598 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
600 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
602 * config/m68k/m68k.c (output_function_prologue): Typecast
603 dwarf2out_cfi_label to (char *).
604 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
606 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
608 * sparc.md (jump): Don't use the annul bit around an empty loop.
609 Patch from Kevin.Kelly@East.Sun.COM.
611 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
613 * jump.c: (optimize_jump): Don't use the return register as a
614 source1 of a conditional move.
616 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
618 * sparc.c (DF_MODES): Or the mask not the bit number.
619 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
621 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
623 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
625 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
627 * fixincludes (size_t): Add support for Motorola's stdlib.h
628 which fails to provide a definition for size_t.
629 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
630 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
631 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
633 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
634 prevent unresolved externals in libio.
635 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
637 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
639 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
640 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
641 (LIB_SPEC): Updated for glibc 2.
643 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
645 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
646 * ginclude/varargs.h: Likewise.
648 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
650 * version.c: Bump for snapshot.
652 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
654 * frame.h (__register_frame, __register_frame_table,
655 __deregister_frame): New.
656 * frame.c (__register_frame, __register_frame_table,
657 __deregister_frame): New.
658 * frame.c (__deregister_frame_info): Return void *.
659 * frame.h (__deregister_frame_info): Ditto.
660 * collect2.c (__deregister_frame_info): Ditto.
662 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
664 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
666 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
668 * alpha.c (alpha_cpu_name): New variable.
669 (alpha_mlat_string): Likewise.
670 (alpha_memory_latency): Likewise.
671 (override_options): Handle -mmemory-latency.
672 (alpha_adjust_cost): Adjust load cost for latency.
673 * alpha.h (TARGET_OPTIONS): Add meory-latency.
674 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
675 TARGET_CIX into account.
676 (MEMORY_MOVE_COST): Define in terms of memory_latency.
677 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
679 * alpha.h (ASM_COMMENT_START): New macro.
681 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
683 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
684 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
686 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
687 SUBREG_REG if the word count is unchanged.
688 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
689 subregs of identical word size for push_reload.
691 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
693 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
694 if all we're doing is dealing with -Wreturn-type.
696 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
698 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
699 Use and 255 instead of zapnot 1, since it schedules better.
701 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
703 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
706 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
708 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
709 dependency we delete. Properly update prev for multiple consecutive
711 (priority): Skip deleted dependence.
713 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
715 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
717 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
719 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
720 determining when a new basic block starts.
722 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
724 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
725 * pa.md (iorsi3): Add missing args to *_operand calls.
727 * except.c (call_get_eh_context): Don't mess with sequences.
728 (emit_eh_context): Include the call in the sequence here.
730 1997-12-11 Paul Eggert <eggert@twinsun.com>
732 * collect2.c (write_c_file_glob): Allocate initial frame object
733 in static storage and pass its address.
735 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
737 * except.c (call_get_eh_context): Don't take a parm.
738 Put the call at the top of the function.
739 (emit_eh_context): Adjust.
740 (get_eh_context): Replace with former use_eh_context.
741 (get_eh_context_once, get_saved_pc_ref): Remove.
742 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
744 * integrate.c (expand_inline_function): Adjust.
745 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
747 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
749 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
750 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
752 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
754 * fixincludes (strlen,strspn,strcspn return value): Handle different
756 (hypot): Provide a fake for hypot which is broken on
759 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
761 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
762 tree_code_name from pointers to arrays.
763 * tree.c: Remove standard_tree_code_* variables, no longer used.
764 * print-tree.c: Remove declaration of tree_code_name.
766 * cp/lex.c (init_lex): Update for tree_code_* changes.
767 * objc/objc-act.c (init_objc): Likewise.
769 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
772 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
774 * config.sub: Add support for BeOS target.
775 * configure.in: Likewise.
776 * ginclude/stdarg.h: Likewise.
777 * ginclude/stddef.h: Likewise.
778 * ginclude/varargs.h: Likewise.
779 * rs6000/beos.h: New file for BeOS.
780 * rs6000/t-beos: Likewise.
781 * rs6000/x-beos: Likewise.
782 * rs6000/xm-beos.h: Likewise.
783 * toplev.c (get_run_time): Just return 0 on BeOS.
785 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
786 Toon Moene (toon@moene.indiv.nluug.nl)
788 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
789 old and broken Sun3 assemblers. Newer versions handle large
790 offsets correctly as does the GNU assembler.
792 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
794 * objc/objc-act.c (lang_report_error_function): Disable.
795 * objc/objc-parse.y: Include "output.h".
796 (yyerror): Remove redundant decl.
797 (yyprint): Fix prototype.
798 (apply_args_register_offset): Remove redundant decl.
799 (get_file_function_name): Likewise.
801 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
803 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
805 (find_basic_blocks_1): Likewise.
807 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
809 * except.c (use_eh_context): Don't copy_rtx a REG.
810 (emit_throw): Lose old unwinder support.
811 (expand_internal_throw): Likewise.
812 * libgcc2.c (struct eh_context): Likewise.
813 (new_eh_context): Likewise.
814 (__get_eh_info): Lose redundant cast.
815 (__get_dynamic_handler_chain): Likewise.
816 (__get_saved_pc): Lose.
817 Lose all old unwinder support code.
819 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
821 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
823 * integrate.c (expand_inline_function): If the inline fn uses eh
824 context, make sure that the current fn has one.
825 * toplev.c (rest_of_compilation): Call emit_eh_context.
826 * except.c (use_eh_context): New fn.
827 (get_eh_context_once): New fn.
828 (call_get_eh_context): New fn.
829 (emit_eh_context): New fn.
830 (get_eh_context): Call either get_eh_context_once or
831 call_get_eh_context, depending on what we have.
832 (get_dynamic_handler_chain): Call get_eh_context_once.
833 * except.h: Prototypes for fns above.
834 * optabs.c (get_eh_context_libfunc): Removed.
835 (init_optabs): Don't initialize it.
836 * expr.h (get_eh_context_libfunc): Removed.
837 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
838 * config/pa/pa.h (CPP_SPEC): Support for -threads.
839 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
840 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
841 New multilib for -threads.
842 * config/sparc/t-sol2: Added multilibs for -threads and
843 made -pthreads alias to it.
844 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
845 Added -threads and -pthreads options.
846 * libgcc-thr.h: New file.
847 * libgcc2.c: (__get_cpp_eh_context): Removed.
848 (struct cpp_eh_context): Removed.
849 (struct eh_context): Replaced cpp_eh_context with generic language
851 (__get_eh_info): New function.
852 (__throw): Check eh_context::info.
854 * libgcc2.c: Include libgcc-thr.h.
855 (new_eh_context, __get_eh_context,
856 eh_pthread_initialize, eh_context_initialize, eh_context_static,
857 eh_context_specific, eh_context_free): New functions.
858 (get_eh_context, eh_context_key): New variables.
859 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
860 get_eh_context to get the context.
861 (longjmp): Move the declaration inside
862 #ifdef DONT_USE_BUILTIN_SETJMP.
863 * frame.c: Include libgcc-thr.h.
864 (object_mutex): Mutex to protect the object list.
865 (find_fde, __register_frame, __register_frame_table,
866 __deregister_frame): Hold the lock while accessing objects.
867 * except.h (get_eh_context): Declare.
868 * except.c (current_function_ehc): Define.
869 (current_function_dhc, current_function_dcc): Removed.
870 (get_eh_context): New function.
871 (get_dynamic_handler_chain): Use get_eh_context.
872 (get_saved_pc_ref): Ditto.
873 (get_dynamic_cleanup_chain): Removed references to
874 current_function_dcc.
875 (save_eh_status, restore_eh_status): Save and restore
876 current_function_ehc instead.
877 * optabs.c (get_eh_context_libfunc): New variable.
878 (init_optabs): Initialize it.
879 * expr.h: Declare get_eh_context_libfunc.
880 * function.h (struct function): Replaced dhc and dcc with ehc.
881 * except.c (get_saved_pc_ref): New functions.
882 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
883 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
885 (end_eh_unwinder): Likewise.
886 (init_eh): Remove initialization of eh_saved_pc.
887 * optabs.c (get_saved_pc_libfunc): New variable.
888 (init_optabs): Initialize it.
889 * expr.h: Declare get_saved_pc_libfunc.
890 * except.h (eh_saved_pc_rtx): Deleted.
891 (get_saved_pc_ref): Declared.
893 From Scott Snyder <snyder@d0sgif.fnal.gov>:
894 * libgcc2.c (__get_saved_pc): New.
895 (__eh_type, __eh_pc): Deleted.
896 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
897 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
900 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
902 * sparc/sol2.h: Use 64 bit multiply and divide functions in
903 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
906 * rtl.h (global_rtl): New variable, replacing separate variables for
908 (const_int_rtx): Now array of rtx_def, not rtx.
909 * emit-rtl.c: Update for new rtl data structures.
910 * genattrtab.c: Define global_rtl.
912 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
914 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
917 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
919 * crtstuff.c (__do_global_ctors): Fix typo.
921 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
923 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
924 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
926 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
928 * rs6000.h (FUNCTION_ARG_PADDING): Define.
929 * rs6000.c (function_arg_padding): New function.
931 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
933 * m68k.c: Include tree.h only once.
935 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
937 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
939 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
941 * Partially cleaned up prototyping code from HJ.
942 * tree.h: Add many prototypes.
943 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
944 All references changed.
945 * rtl.h: Protect from multiple inclusions. Add many prototypes.
947 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
949 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
950 string functions like strlen.
952 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
954 * configure.in: Check for functions getrlimit and setrlimit.
955 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
956 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
958 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
960 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
962 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
964 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
967 * alpha.c (override_options): Don't know about scheduling for EV6.
968 * alpha.md (ev5 function units): Don't overload as ev6.
970 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
971 * alpha.md (define_attr type): Add mvi.
972 (ev5_e0): Define sceduling parameters for it.
973 (TARGET_MAX insns): Type is mvi not shift.
975 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
977 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
979 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
981 * cstamp-h, auto-config.h: Delete.
983 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
985 * version.c: Bump for snapshot.
987 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
989 * cccp.c: Fix typo brought over in merge.
991 * Merge in changes from gcc-2.8.
993 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
995 * m68k.c: Include tree.h for dwarf2out_cfi_label.
997 * gcc.c (process_command): Do not take address of function fatal when
998 calling lang_specific_driver.
1000 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
1002 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
1003 doesn't work with it yet, so set it to 0.
1004 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
1006 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
1008 * cse.c (cse_insn): Check for invalid entries when taking references.
1010 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1012 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
1013 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
1014 * toplev.c (rest_of_compilation): Pass it. Remove code to
1015 save / clear / restore flag_unroll_{,all_}loops.
1017 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
1019 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
1021 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
1023 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
1025 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
1027 * except.c (get_dynamic_handler_chain): Only make the call once per
1030 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
1032 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1034 * sh.c (final_prescan_insn): Use local label prefix
1035 when emitting .uses pseudo-ops.
1037 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
1039 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
1040 * except.c: Lose outer_context_label_stack.
1041 (expand_eh_region_end): Rethrow from outer_context here.
1042 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
1043 (expand_internal_throw): Take no args.
1044 (expand_internal_throw_indirect): Lose.
1045 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
1046 (expand_start_all_catch): Start a rethrow region.
1047 (expand_end_all_catch): End it.
1048 (expand_rethrow): New fn.
1049 * except.h: Reflect above changes.
1050 * flow.c: Revert change of Nov 27.
1052 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
1054 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
1056 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
1058 * except.c (expand_fixup_region_end): New fn.
1059 (expand_fixup_region_start): Likewise.
1060 (expand_eh_region_start_tree): Store cleanup into finalization here.
1061 * stmt.c (expand_cleanups): Use them to protect fixups.
1063 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
1065 * mips/mips.md (muldi3_r4000): Broaden the output template
1066 and attribute assignments to handle three operand dmult;
1067 rename to muldi3_internal2.
1068 (muldi3): Call the new muldi3_internal2 for R4000, and
1069 any GENERATE_MULT3 chip.
1071 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
1073 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
1075 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
1077 * unroll.c (find_splittable_givs): Remove last change. Handle givs
1078 with a dest_reg that was created by loop.
1080 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
1082 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
1084 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
1086 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
1088 * configure.in: Fix NCR entries.
1090 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
1092 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
1093 nested exceptions correctly.
1095 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
1096 that was created by loop.
1098 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
1100 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
1102 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
1104 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
1106 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
1107 (print_operand): Use SMALL_DATA_REG for the register involved in
1108 small data relocations.
1109 (print_operand_address): Ditto.
1111 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
1112 -dynamic linker is not used.
1114 * rs6000.md (call insns): For local calls, use @local suffix under
1115 System V. Don't use @plt under Solaris.
1117 * rs6000.c (output_function_profiler): Put label address in r0, and
1118 store LR in 4(sp) for System V/eabi.
1120 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
1121 byte boundary, and maintain stack backchain.
1123 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
1125 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
1126 fix_truncsfdi2): Change *.
1128 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
1130 * toplev.c (main): Complain about -gdwarfn.
1132 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
1134 * dwarfout.c (output_type): If finalizing, write out nested types
1135 of types we've already written.
1137 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
1139 (patches originally from Geoffrey Keating)
1140 * rs6000.c (function_arg): Excess floating point arguments don't
1141 go into GPR registers after exhausting FP registers under the
1143 (function_arg_partial_nregs): Ditto.
1145 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
1148 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
1150 * integrate.c (output_inline_function): Just unset DECL_INLINE.
1152 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
1154 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
1157 * libgcc2.c (__throw): Initialize HANDLER.
1159 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
1161 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
1162 fix_truncsfdi2): Change *X to ?*X.
1164 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
1166 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
1168 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
1170 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
1172 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
1174 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
1176 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
1178 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
1179 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
1182 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
1184 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
1185 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
1186 gas and not using the new HP assembler.
1188 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
1190 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
1191 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
1193 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
1195 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
1196 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
1199 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1201 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
1203 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
1205 * except.h: Add outer_context_label_stack.
1206 * except.c: Likewise.
1207 (expand_start_all_catch): Push the outer_context for the try block
1208 onto outer_context_label_stack.
1209 (expand_end_all_catch): Use it and pop it.
1211 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
1213 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
1215 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
1217 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
1219 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
1221 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
1222 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
1224 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
1226 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
1227 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
1228 __builtin_delete, and __builtin_vec_delete.
1230 * except.c (output_exception_table): Don't bother with
1233 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
1235 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
1236 is an in/out operand.
1237 (zero extended variants of stwm/stwm patterns): Similarly.
1239 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
1241 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
1243 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
1245 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
1246 (output_call_frame_info): Emit a \n after using it.
1248 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
1250 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
1252 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
1254 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
1255 (ASM_OUTPUT_DWARF_VALUE4): New macro.
1256 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
1258 (output_call_frame_info): Do not output forward label differences
1259 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
1260 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
1262 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1264 * sh.md (attribute "type"): Add nil.
1265 (movsi_ie): y/y alternative is type nil.
1266 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
1268 (movsf_ie+1): Delete.
1270 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
1272 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
1273 large_int, emit two insns instead of one splitable insn.
1274 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
1275 from cfa_temp_value, use cfa_offset. Add assert checking that
1278 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
1280 * cccp.c (deps_output): Properly quote file names for make.
1282 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
1284 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
1286 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
1288 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
1290 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
1292 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
1294 (cse_end_of_basic_block): Similarly.
1296 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
1298 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
1299 (SELECT_RTX_SECTION): Define.
1300 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
1302 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
1304 * Makefile.in (compare, compare-lean): Define $stage for each
1306 (gnucompare, gnucompare-lean): Likewise.
1308 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
1310 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
1312 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
1313 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
1315 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
1317 * dwarfout.c (byte_size_attribute): Add local var upper_bound
1318 and add case to handle STRING_TYPE.
1319 * dwarfout.c (output_string_type_die): Fix code to generate
1320 correct string length attribute for fixed length strings.
1321 Still needs support for varying length strings.
1323 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
1325 * toplev.c (get_run_time): Do something sensible for cygwin32.
1327 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
1329 * expr.c (expand_builtin_setjmp): Set
1330 current_function_has_nonlocal_label.
1331 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
1332 call-saved registers across calls.
1334 * alpha.md (exception_receiver): Remove.
1335 (nonlocal_goto_receiver_osf): New
1336 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
1337 (nonlocal_goto_receiver): New, select _osf or _vms.
1339 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
1340 keep them from being propogated to the object file.
1341 (alpha_write_linkage): Likewise.
1342 * alpha.md (call_vms): Likewise.
1343 (call_value_vms): Likewise.
1344 (unnamed osf call insns): Likewise.
1346 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
1347 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
1349 * alpha.c (call_operand): Any reg is valid for WinNT.
1350 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
1351 (anon nt calls): Add 'R' alternative.
1352 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
1353 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
1355 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
1357 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
1359 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
1360 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
1361 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
1363 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
1365 * reload1.c (new_spill_reg): Improve fixed or forbidden register
1366 spill error message.
1368 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1370 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
1371 use varargs.h. Wrap header with <>, not "".
1373 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
1375 * integrate.c (save_for_inline_copying): Add return value from
1378 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
1380 * fixincludes: Be a little more restrictive on what we will
1381 substitute to replace definitions of MAXINT for HPUX.
1383 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
1385 * dbxout.c (dbxout_symbol_location): Don't assume that variables
1386 whose address is the stack or argument pointers are indirect
1389 1997-11-13 Paul Eggert <eggert@twinsun.com>
1391 * cccp.c, cpplib.c (compare_defs):
1392 Don't complain about arg name respellings unless pedantic.
1393 * cpplib.c (compare_defs): Accept pfile as new arg.
1394 All callers changed.
1396 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1398 * fold-const.c (fold_truthop): Fix bug in last change.
1400 1997-11-13 Paul Eggert <eggert@twinsun.com>
1402 Fix some confusion with IEEE minus zero.
1404 * real.h (REAL_VALUES_IDENTICAL): New macro.
1406 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
1407 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
1409 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
1410 same tree structure as 0.0.
1412 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
1413 macro instead of doing it by hand.
1415 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
1417 * v850/lib1funcs.asm: Minor whitespace changes.
1418 * v850.c: Fix minor formatting problems in many places.
1419 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
1421 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
1423 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
1424 xplus1 when xplus0 is not a register.
1426 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
1428 * flow.c (find_basic_blocks): During marking phase, if we encounter
1429 an insn with a REG_LABEL note, make the target block live and
1430 create an edge from the insn to the target block. Do not make
1431 edges from all blocks to the target block.
1433 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
1435 * confiugre.in: Tweak NCR entries.
1436 * configure: Rebuilt.
1438 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
1440 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
1441 pick apart floating point values, instead of using CONST_DOUBLE_LOW
1442 and CONST_DOUBLE_HIGH.
1444 * rs6000.md (define_splits for DF constants): Use the appropriate
1445 REAL_VALUE_* interface to pick apart DF floating point constants in
1446 a machine independent fashion.
1448 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1450 * fold-const.c (fold_truthop): When changing a one-bit comparison
1451 against zero into a comparison against mask, do a proper sign
1454 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
1456 * except.c: Do not include "assert.h".
1457 (save_eh_status): Turn asserts into conditional aborts.
1458 (restore_eh_status, scan_region): Likewise.
1459 * dwarfout.c: Do not include "assert.h".
1460 (bit_offset_attribute): Turn asserts into conditional aborts.
1461 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
1462 (output_inlined_structure_type_die): Likewise.
1463 (output_inlined_union_type_die): Likewise
1464 (output_tagged_type_instantiation): Likewise.
1465 (dwarfout_file_scope_decl): Likewise.
1466 * dwarf2out.c: Do not include "assert.h"
1467 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
1468 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
1469 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
1470 (add_bit_size_attribute, scope_die_for): Likewise.
1471 (output_pending_types_for_scope): Likewise.
1472 (get_inlined_enumeration_type_die): Likewise.
1473 (get_inlined_structure_type_die): Likewise.
1474 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
1475 (gen_tagged_type_instantiation_die): Likewise.
1477 * flow.c (find_basic_blocks): Refine further to get a more correct
1478 cfg, especially in the presense of exception handling, computed
1479 gotos, and other non-trivial cases. Call abort if an inaccuracy
1480 is detected in the cfg.
1482 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1484 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
1486 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
1487 (skip_white_space): Use whitespace_cr.
1488 (check_newline): Handle whitespace more consistently.
1490 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
1492 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
1493 * i386/xm-cygwin32.h (POSIX): Define.
1495 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
1497 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
1498 is available elsewhere.
1500 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
1502 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
1503 what the instruction can handle.
1505 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
1507 * stmt.c (expand_decl_cleanup_no_eh): New fn.
1509 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
1511 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
1513 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
1514 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
1516 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
1518 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
1519 swap instruction order.
1521 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
1523 * fixinc.svr4 (__STDC__): Add another case.
1525 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1527 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
1528 addresses in the epilogue delay slot.
1530 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
1532 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
1533 in generated `specs' file.
1535 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
1537 * flags.h (flag_rerun_loop_opt): Declare.
1538 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
1539 * toplev.c (flag_rerum_loop_opt): Delete static.
1541 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1543 Bring over from FSF:
1545 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1547 * va-sh.h (__va_arg_sh1): Define.
1549 SH3E doesn't use any integer registers for subsequent arguments
1550 once a non-float value was passed in the stack.
1551 * sh.c (machine_dependent_reorg): If optimizing, put explicit
1552 alignment in front label for ADDR_DIFF_VEC.
1553 * sh.h (PASS_IN_REG_P): Fix SH3E case.
1554 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
1556 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1558 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
1561 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1563 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
1564 put an use_sfunc_addr before each sfunc.
1565 * sh.md (use_sfunc_addr, dummy_jump): New insns.
1566 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
1568 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1570 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
1572 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
1574 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
1577 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
1579 * alias.c (find_base_value): Only return the known base value for
1582 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
1584 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
1585 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
1587 (prologue_get_pc_and_set_got): New pattern.
1589 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
1591 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
1592 for SUBREG, just fall through.
1594 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
1596 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
1598 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
1600 * fixincludes: Fix "hypot" prototype in NeXT math.h.
1602 * Makefile.in (USE_ALLOCA): Always include alloca.o.
1603 (USE_HOST_ALLOCA): Likewise.
1605 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
1606 and LABEL_REFS fields.
1607 * rtl.h (LABEL_REFS): Update.
1609 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
1611 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
1612 sets i2dest. When calling distribute_notes for i3dest_killed, pass
1613 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
1616 * mips.md (insv, extzv, extv): Add change_address call.
1617 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
1619 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
1621 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
1623 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
1624 save_restore_insns if no FP and GP will be restored.
1626 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
1627 Convert CCmode to word_mode before calling GET_MODE_SIZE.
1629 * acconfig.h (HAVE_INTTYPES_H): Undef.
1630 * configure.in (inttypes.h): Check for conflicts between sys/types.h
1631 and inttypes.h, and verify that intmax_t is defined.
1632 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
1633 * config/mips/x-iris3: Likewise.
1635 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
1637 * alias.c (find_base_value): When copying arguments, return the
1638 tenative value for a hard register.
1640 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
1642 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
1643 (yylex): Record wide strings using target endianness, not host.
1645 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
1647 * mn10200.h (ASM_OUTPUT_BSS): Delete.
1648 (ASM_OUTPUT_ALIGNED_BSS): New macro
1649 * mn10300.h (ASM_OUTPUT_BSS): Delete.
1650 (ASM_OUTPUT_ALIGNED_BSS): New macro.
1651 * v850.h (ASM_OUTPUT_BSS): Delete.
1652 (ASM_OUTPUT_ALIGNED_BSS): New macro.
1654 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1656 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
1658 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
1660 * configure.in (sco5): Use cpio to install header files.
1662 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
1664 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
1666 * configure: Rebuild.
1668 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
1670 * i386/sco5.h: enable -gstabs once again.
1672 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
1674 * arm.c (output_move_double): Allocate 3 entries in otherops array.
1676 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
1678 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
1679 notes for sjlj exceptions too.
1680 (expand_eh_region_end): Similarly for EH_REGION_END notes.
1681 (exception_optimize): Optimize EH regions for sjlj exceptions too.
1682 * final.c (final_scan_insn): Don't output labels for EH REGION
1683 notes if doing sjlj exceptions.
1685 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
1687 * alias.c (init_alias_analysis): Handle -fno-alias-check when
1688 optimizing correctly.
1690 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
1691 or set current_function_calls_setjmp anymore.
1693 * flow.c (find_basic_blocks): If we delete the label for an
1694 exception handler, remove it from the EH label list and remove
1695 the EH_BEGIN/EH_END notes for that EH region.
1697 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
1699 * flow.c (find_basic_blocks): Generate correct flow control
1700 information when exception handling notes are present.
1702 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
1704 * dwarf2out.c (output_call_frame_info): Fix length argument
1705 to ASM_OUTPUT_ASCII.
1706 (output_die, output_pubnames, output_line_info): Likewise.
1708 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
1710 * version.c: Bump for snapshot.
1712 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
1713 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
1714 flag_debug_asm is on.
1715 (output_die, output_pubnames, output_line_info): Likewise.
1717 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
1718 and static_chain_rtx into the potential base values array if
1721 * alias.c (new_reg_base_value): New array of potential base values.
1722 (unique_id): Now file scoped static.
1723 (find_base_value, case REG): Return the value in reg_base_value
1724 array for the REG if it exists. Else, return the value from
1725 new_reg_base_value if copying args and REG is a hard register.
1726 (find_base_value, case PLUS): If either operand of the PLUS is
1727 a REG, try to get its base value. Handle base + index and
1729 (record_set): Use new_reg_base_value instead of reg_base_value.
1730 (init_alias_analysis): Allocate space for new_reg_base_value too.
1731 Rework code to iterate over the insns propagating base value
1732 information until nothing changes.
1734 * global.c (global_alloc): Free the conflict matrix after
1735 reload has finished.
1737 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
1739 * libgcc2.c (L_eh): Define __eh_pc.
1740 Replace __eh_type with generic pointer __eh_info.
1742 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
1744 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
1745 use copy_to_reg if address is not a general_operand.
1747 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1749 * profile.c (output_func_start_profiler): Clear flag_inline_functions
1750 for the duration of the call to rest_of_compilation.
1752 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
1754 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
1756 (sparc*-*-*): Recognize --with-cpu=v9.
1757 * sparc/elf.h: New file.
1758 * sparc/t-elf: New file.
1760 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
1762 * mn10300.c (const_8bit_operand): New function.
1763 (mask_ok_for_mem_btst): New funtion.
1764 * mn10300.md (btst patterns with mem operands): Use new functions
1765 to avoid creating btst instructions with invalid operands.
1767 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
1769 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
1770 are running on PowerPC Linux.
1772 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
1774 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
1775 if not previously defined.
1777 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
1779 * function.c (assign_parms): Correct mode of stack_parm if
1780 entry_parm underwent a mode conversion.
1782 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
1784 * global.c (global_alloc): Use xmalloc instead of alloca for
1785 CONFLICTS, since max_allocno * allocno_row_words alone can be more
1786 than 2.5Mb sometimes.
1788 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
1790 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
1791 DEST for the spill, adjust mode of SRC to compensate.
1793 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
1795 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
1796 since any_memory_operand() allows pseudos during reload.
1797 (reload_inhi, reload_outqi, reload_outhi): Likewise.
1799 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
1801 * m68k.md (btst patterns): Add 5200 support.
1803 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
1805 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
1806 optimizations, look inside dividend to determine if the expression
1807 can be simplified by using EXACT_DIV_EXPR.
1809 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
1812 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
1814 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
1816 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
1818 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
1820 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
1823 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
1825 * alpha.md (movqi, movhi): Make sure new insns created during reload
1826 won't need reloading themselves.
1827 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
1829 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
1831 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
1833 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
1835 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
1836 Patch from Klaus Kaempf <kkaempf@progis.de>.
1838 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
1840 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
1841 to an element in a constant string.
1843 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
1845 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
1846 bit PC-relative offset. The exception range table pointer is now in
1848 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
1849 (count_fdes, add_fdes, get_cie): Adjust.
1850 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
1853 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
1855 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
1857 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
1858 like stack_pointer_rtx.
1860 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
1862 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
1863 targets using "$@" to provide support for similar but not identical
1864 targets without having to duplicate code.
1865 (bootstrap4): New goal.
1867 * Makefile.in (compare, compare-lean, compare3): Combined to one
1868 ruleset determining actions to be performed via $@.
1869 (compare4, compare4-lean): New targets.
1870 (gnucompare, gnucompare3): Combined to one ruleset determining
1871 actions to be performed via $@. Also, note which files failed
1872 the comparison test in .bad_compare.
1873 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
1875 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
1877 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
1878 if the dividend is a multiple of the divisor.
1880 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
1882 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
1884 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
1887 * alias.c (true_dependence): Fix typo.
1889 * toplev.c (flag_rerun_loop_opt): New variable.
1890 (f_options): Handle -frerun-loop-opt.
1891 (rest_of_compilation): If -frerun-loop-opt, then run the loop
1893 (main): Enable -frerun-loop-opt by default for -O2 or greater.
1895 * loop.c (simplify_giv_expr): Adding two invariants results
1898 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
1900 * expr.c (get_inner_reference): Remove the array bias after
1901 converting the index to Pmode.
1903 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
1905 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
1906 (TARGET_MULT_BUG): Define.
1907 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
1908 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
1910 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
1912 * mn10200.c (indirect_memory_operand): Delete unused function.
1913 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
1914 * mn10200.md (bset, bclr insns): Handle output in a reg too.
1916 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
1918 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
1919 the callee's ldgp, we must do it ourselves, and we use the jsr tag
1920 for more than scheduling.
1922 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
1924 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
1926 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
1928 * mn10300.c (symbolic_operand, legitimize_address): New functions.
1929 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
1930 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
1932 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
1934 * version.c: Bump for snapshot.
1936 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1938 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
1941 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
1943 * toplev.c (flag_exceptions): Default value is 2.
1944 (compile_file): If flag_exceptions still has the value 2, then
1947 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
1948 (rs6000_save_machine_status): Save pic_offset_table_rtx.
1949 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
1951 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
1954 * rs6000.md (*movsi_got_internal_mem): New pattern.
1955 (*movsi_got_internal_mem splitter): New define_split.
1957 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
1959 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
1961 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
1963 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
1964 only need to save LR.
1966 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
1968 * mn10300.md (movqi, movhi): Avoid using address registers as
1969 destinations unless absolutely necessary.
1971 * mn10200.c (expand_prologue): Fix typo.
1973 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
1975 * mn10200.md (neghi2): Provide an alternative which works if
1976 the input and output register are the same.
1978 * mn10300.c (print_operand): Handle 'S'.
1979 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
1980 shift amount in last alternative
1982 * mn10300.c (expand_epilogue): Rework to handle register restores
1983 in "ret" and "retf" instructions correctly.
1985 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
1987 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
1988 extzv for memory operands.
1990 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
1991 redundant conditional moves to single operand.
1993 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
1995 * v850.h: Move define of __v850__ from CPP_PREDEFINES
1998 * xm-v850.h: Use __v850 rather than __v850__ to
2001 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
2003 * mips/mips.c (compute_frame_size): Not a leaf function if
2006 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
2008 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
2010 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
2012 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
2013 (DEFAULT_ARCH32_P): New macro.
2014 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
2015 (enum cmodel): Declare.
2016 (sparc_cmodel_string,sparc_cmodel): Declare.
2017 (SPARC_DEFAULT_CMODEL): Provide default.
2018 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
2019 (TARGET_FULLANY): Deleted.
2020 (TARGET_CM_MEDMID): New macro.
2021 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
2022 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
2023 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
2024 (CPP_SPEC): Rewrite.
2025 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
2026 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
2027 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
2028 (ASM_SPEC): Add %(asm_arch).
2029 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
2030 Rename asm_default to asm_cpu_default.
2031 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
2032 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
2033 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
2034 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
2035 (MASK_INT64,MASK_LONG64): Delete.
2036 (MASK_ARCH64): Renamed to MASK_64BIT.
2037 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
2038 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
2039 (TARGET_SWITCHES): Always provide 64 bit options.
2040 (ARCH64_SWITCHES): Delete.
2041 (TARGET_OPTIONS): New option -mcmodel=.
2042 (INT_TYPE_SIZE): Always 32.
2043 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
2044 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
2045 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
2046 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
2047 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
2049 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2050 * sparc/linux.h: Likewise.
2051 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
2052 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
2053 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
2054 (SPARC_DEFAULT_CMODEL): Define.
2055 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
2056 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2057 (LONG_DOUBLE_TYPE_SIZE): Define.
2058 (ASM_SPEC): Add %(asm_arch).
2059 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
2060 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2061 (TARGET_CPU_DEFAULT): Add ultrasparc case.
2062 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
2063 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
2064 (SPARC_DEFAULT_CMODEL): Define.
2065 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
2066 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
2067 MASK_LONG64, MASK_MEDANY.
2068 (SPARC_DEFAULT_CMODEL): Define.
2069 (CPP_PREDEFINES): Delete.
2070 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2071 (ASM_SPEC): Add %(asm_arch).
2072 (LONG_DOUBLE_TYPE_SIZE): Define.
2073 (DWARF2_DEBUGGING_INFO): Define.
2074 * sparc/splet.h (CPP_SPEC): Delete.
2075 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
2076 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
2077 (BLOCK_PROFILER): Likewise.
2078 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
2079 (sparc_override_options): Handle code model selection.
2080 (sparc_init_expanders): Renamed from sparc64_init_expanders.
2081 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
2082 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
2083 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
2084 (sethi_di_fullany): Delete.
2086 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
2087 Jeff Law <law@cygnus.com>
2088 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2090 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
2091 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
2092 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
2093 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
2094 * alpha/alpha.md (arg_home): Likewise.
2096 * alpha/alpha.c (vmskrunch): Delete
2097 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
2098 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
2099 truncate to 64 characters.
2101 * make-l2.com: Support openVMS/Alpha.
2103 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
2105 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2107 * longlong.h (count_leading_zeros): Add missing casts to USItype.
2109 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
2111 * i386/bsd386.h (ASM_COMMENT_START): Define.
2113 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
2115 * tree.c (restore_tree_status): Also free up temporary storage
2116 when we finish a toplevel function.
2117 (dump_tree_statistics): Print stats for backend obstacks.
2119 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
2121 * expr.c (use_group_regs): Don't call use_reg for MEMs.
2123 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
2125 * libgcc2.c (__throw): Don't copy the return address.
2126 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
2128 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
2129 * toplev.c (main): Initialize exceptions_via_longjmp.
2131 * tree.c: Add extra_inline_obstacks.
2132 (save_tree_status): Use it.
2133 (restore_tree_status): If this is a toplevel inline obstack and we
2134 didn't want to save anything on it, recycle it.
2135 (print_inline_obstack_statistics): New fn.
2136 * function.c (pop_function_context_from): Pass context to
2137 restore_tree_status.
2138 * obstack.h (obstack_empty_p): New macro.
2140 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
2142 * i386/freebsd.h (ASM_COMMENT_START): Fix.
2144 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
2146 * v850.c (ep_memory_offset): New function.
2147 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
2149 * v850.h (CONST_OK_FOR_*): Add and correct comments.
2150 (CONSTANT_ADDRESS_P): Add comment.
2151 (EXTRA_CONSTRAINT): Define 'U'.
2152 * v850.md: Add comments on bit field instructions.
2153 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
2154 (lshrsi3): Use N not J constraint.
2156 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
2158 * v850.c (reg_or_0_operand): Call register_operand.
2159 (reg_or_int5_operand): Likewise.
2160 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
2161 (TARGET_SWITCHES): Add "big-switch".
2162 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
2163 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
2164 (CASE_DROPS_THROUGH): Comment out.
2165 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
2166 * v850.md (cmpsi): Delete compare mode.
2167 (casesi): New pattern.
2169 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
2170 * v850.md (ashlsi3): Use SImode not QImode for shift count.
2171 (lshrsi3): Likewise.
2173 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
2174 unreachable switch statement after 'b' support. Remove "b" from
2175 strings for 'b' support.
2176 * v850.md (branch_normal, branch_invert): Change %b to b%b.
2178 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
2180 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
2181 empty line if @inhibit_libc@ is empty.
2183 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
2185 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
2186 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
2187 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
2188 (DWARF2_UNWIND_INFO): Let this track object file format.
2189 (EXTRA_SECTIONS): Add in_eh.
2190 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
2191 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
2193 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
2195 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
2196 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
2198 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
2199 (output_double_int): Output DI mode values correctly when
2200 HOST_BITS_PER_WIDE_INT is 64.
2201 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
2202 fmovd so it works if a quad float ends up in one of the upper 32
2204 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
2205 necessary for PIC support on sparc64.
2207 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
2209 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
2210 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
2211 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
2212 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
2213 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
2214 (SPARC_FP_ARG_FIRST): New macro.
2215 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
2216 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
2217 (NPARM_REGS): There are 32 fp argument registers now.
2218 (FUNCTION_ARG_REGNO_P): Likewise.
2219 (FIRST_PARM_OFFSET): Update to new v9 abi.
2220 (REG_PARM_STACK_SPACE): Define for arch64.
2221 (enum sparc_arg_class): Delete.
2222 (sparc_arg_count,sparc_n_named_args): Delete.
2223 (struct sparc_args): Redefine and use for arch32 as well as arch64.
2224 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
2225 (FUNCTION_ARG_ADVANCE): Rewrite.
2226 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
2227 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
2228 (FUNCTION_ARG_CALLEE_COPIES): Delete.
2229 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
2230 (STRICT_ARGUMENT_NAMING): Define.
2231 (doublemove_string): Declare.
2232 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
2233 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
2234 (doublemove_string): New function.
2235 (output_move_quad): Clean up some of the arch64 support.
2236 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
2237 Don't add 8 bytes of reserved space if arch64.
2238 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
2239 (init_cumulative_args): New function.
2240 (function_arg_slotno): New static function.
2241 (function_arg,function_arg_partial_nregs): New functions.
2242 (function_arg_{pass_by_reference,advance}): New functions.
2243 (function_arg_padding): New function.
2244 * ginclude/va-sparc.h: Rewrite v9 support.
2246 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
2248 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
2249 for hard regs to determine base and index registers.
2251 * reload.c (debug_reload_to_stream): New function. Specify stream
2252 into which to write debug info.
2253 (debug_reload): Modify to call debug_reload_to_stream with stderr.
2255 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
2257 * combine.c (can_combine_p): Don't combine with an asm whose
2258 output is a hard register.
2260 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
2262 * c-decl.c (start_struct): Ensure that structs with forward
2263 declarations are in fact packed when -fpack-struct is given.
2265 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
2266 we are packing a structure. This allows a structure with only
2267 bytes to be aligned on a byte boundary and have no padding on a
2270 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2272 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
2274 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
2276 * alpha.c (alpha_return_addr_rtx): New variable.
2277 (alpha_save_machine_status): New; save it.
2278 (alpha_restore_machine_status): New; restore it.
2279 (alpha_init_expanders): New; clear it.
2280 (alpha_return_addr): New; set it.
2281 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
2282 is overly conservative, so search the insns explicitly.
2283 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
2284 (alpha_sa_size [VMS && !VMS]): Likewise.
2285 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
2286 (INIT_EXPANDERS): New definition.
2288 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
2289 (output_prolog [!VMS]): Use them.
2291 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
2292 (alpha_does_function_need_gp): ... a new function. Refine the
2293 CALL_INSN test to just TYPE_JSR.
2294 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
2296 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
2298 * version.c: Bump for snapshot.
2300 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2302 * pa.c (move_operand): Respect -mdisable-indexing.
2303 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
2305 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
2307 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
2309 (umulsidi3,umulsi3_highpart): Ditto.
2310 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
2312 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
2314 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
2315 (alpha_handle_trap_shadows): ... a new function. Handle the entire
2316 function in one go. Emit RTL for trapb, instead of printf directly.
2317 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
2318 (trap_pending): Kill global variable.
2319 (output_epilog): Don't call final_prescan_insn.
2320 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
2321 * alpha.h (FINAL_PRESCAN_INSN): Remove.
2322 (MACHINE_DEPENENT_REORG): Define.
2323 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
2326 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
2328 Tune Haifa scheduler for Alpha:
2329 * alpha.h (ISSUE_RATE): Define.
2330 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
2331 EV4 adjustments to EV5.
2332 * alpha.md: Remove all scaling from function unit delays. Rework
2333 EV5 function units to match the CPU.
2334 (umuldi3_highpart): EV5 added the IMULH insn class.
2336 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
2338 * pa.c (following_call): Fail if the CALL_INSN is an indirect
2341 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
2343 * cplus-dem.c (demangle_signature): Don't look for return types on
2344 constructors. Handle member template constructors.
2346 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
2348 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
2349 * tree.h: Declare them.
2351 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
2353 * configure.in: Handle --with-newlib.
2354 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
2356 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
2358 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
2360 * config/ptx4.h: Fix typo.
2362 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
2364 * version.c: Bump for snapshot.
2366 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
2368 * aclocal.m4: Substitute INSTALL.
2369 * configure: Re-built.
2371 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
2373 * integrate.c (save_for_inline_copying): Avoid undefined pointer
2375 (expand_inline_function): Likewise.
2377 * dwarf2out.c (output_call_frame_info): Reinstate last change
2378 using flag_debug_asm check instead of flag_verbose_asm.
2380 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
2382 * dwarf2out.c (output_call_frame_info): Remove last change.
2384 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2386 * frame.c (__frame_state_for): Execute the FDE insns until the
2387 current pc value is strictly bigger than the target pc value.
2389 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
2391 * regclass.c (init_reg_modes): If we can't find a mode for the
2392 register, use the previous one.
2394 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
2396 * haifa-sched.c (print_block_visualization): Call fprintf directly,
2397 don't sprintf through an alloca'ed buffer.
2399 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
2401 * reload.c (decompose): Always initialize val.base.
2403 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
2405 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
2406 instead of aborting.
2407 * dwarf2out.c (output_call_frame_info): Call app_enable and
2408 app_disable to let GNU as accept the generated comments.
2410 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
2412 * tree.h (get_file_function_name): Add declaration.
2413 * dwarf2out.c (output_call_frame_info): No need to cast
2414 get_file_function_name call anymore.
2415 * profile.c (toplevel): Remove get_file_function_name
2417 * c-lang.c (finish_file): Ditto.
2419 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
2421 * Makefile.in (program_transform_name): Let autoconf substitute
2424 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
2426 * haifa-sched.c (schedule_block): If the first real insn in a
2427 block has any special notes attached to it, remove them.
2429 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
2431 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
2433 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
2435 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
2437 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
2439 * Makefile.in (check-g77): New test target.
2440 (CHECK-TARGETS): Add check-g77.
2442 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
2444 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
2446 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
2448 * flow.c (print_rtl_with_bb): Cast alloca return value for
2451 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
2453 * i386.h (RETURN_ADDR_RTX): New definition that works for
2454 __builtin_return_address(0) and -fomit-frame-pointer.
2456 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
2458 Bring over from FSF.
2459 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
2461 * mips.c (function_arg): Handle passing a struct
2462 containing a double in a DFmode register without the PARALLEL.
2464 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
2466 * pexecute.c: Use spawn if __CYGWIN32__.
2468 * pexecute.c: Include "config.h" first, as per autoconf manual
2469 (from Paul Eggert <eggert@twinsun.com>).
2471 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
2473 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
2474 optimisation for f/expr.o and f/stb.o.
2476 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
2478 * cse.c (this_insn_cc0_mode): Initialize.
2480 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
2482 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
2484 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
2486 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
2488 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
2489 that pair will dual-issue on the 21164 and plus+beq won't.
2490 (bne): Likewise for cmpeq+beq.
2492 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
2494 * except.c (find_exception_handler_labels): Correct argument to free.
2496 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
2498 * except.c (find_exception_handler_labels): Free LABELS when we're
2501 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
2503 * version.c: Bump for snapshot.
2505 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
2507 * flow.c (find_basic_blocks): Mark calls as potentially jumping
2510 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
2512 * configure.in: Substitute for "install" too.
2513 * configure: Rebuilt.
2515 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
2517 * Makefile.in (bootstrap-lean, compare-lean): New targets.
2519 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
2521 * alias.c (base_alias_check): Two symbols can conflict if they
2522 are accessed via AND.
2523 (memrefs_conflict_p): Likewise.
2525 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
2526 after flushing argument registers to the stack.
2528 * Makefile.in (mostlyclean): Remove .regmove files.
2530 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
2532 * libgcc2.c (__throw): Fix thinko.
2534 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
2536 * cplus-dem.c (demangle_template): Add new parameter. Handle new
2537 template-function mangling.
2538 (consume_count_with_underscores): New function.
2539 (demangle_signature): Handle new name-mangling scheme.
2541 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
2543 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
2546 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
2548 * frame.c: Remove last change.
2549 * dwarf2.h: Remove last change.
2550 * tree.h: Add declarations of DWARF2 unwind info support
2553 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
2555 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
2556 * tree.h (built_in_function): Likewise.
2557 * expr.c (expand_builtin): Likewise.
2558 * except.h: Likewise.
2559 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
2560 * libgcc2.c (copy_reg): New fn.
2563 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
2565 * c-typeck.c (build_binary_op): Warn about comparing signed vs
2566 unsigned if -W is specified and -Wno-sign-compare is not.
2567 * c-decl.c (warn_sign_compare): Initialize to -1.
2568 (c_decode_option): -Wall no longer implies -Wsign-compare.
2570 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2572 * frame.c: Include gansidecl.h for PROTO.
2573 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
2574 defined. Don't declare dwarf2out_cfi_label here.
2575 * dwarf2.h: Add declarations of DWARF2 unwind info support
2577 * m68k.c: Include dwarf2.h.
2578 (output_function_prologue): Add dwarf2 support.
2579 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
2580 (INCOMING_FRAME_SP_OFFSET): Likewise.
2582 * integrate.c (expand_inline_function): Make sure there is at
2583 least one insn that can be used as an insertion point.
2585 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
2587 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
2589 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
2591 * version.c: Bump for snapshot.
2593 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
2595 Bring over from FSF.
2597 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
2599 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
2600 (get_pc_via_rdpc): Renamed from get_pc_sp64.
2601 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
2603 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
2605 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
2606 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
2608 (sparc_align_{loops,jumps,funcs}_string): Declare.
2609 (sparc_align_{loops,jumps,funcs}): Declare.
2610 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
2611 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
2612 (STACK_BIAS): Define.
2613 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
2615 (SPARC_SETHI_P): New macro.
2616 (CONST_OK_FOR_LETTER_P): Use it.
2617 (ASM_OUTPUT_ALIGN_CODE): Define.
2618 (ASM_OUTPUT_LOOP_ALIGN): Define.
2619 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
2620 (sparc_align_{loops,jumps,funcs}): New globals.
2621 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
2623 (move_operand): Use SPARC_SETHI_P.
2624 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
2626 (arith11_double_operand): Likewise.
2627 (arith10_double_operand): Likewise.
2628 (finalize_pic): Finish sparc64 support.
2629 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
2630 64 bit constants if able.
2631 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
2632 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
2634 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
2635 (get_pc_sp32): Use for sparc64 as well.
2636 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
2637 (sethi_di_sp64_const): Likewise.
2638 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
2639 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
2640 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
2642 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
2644 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
2645 * sparc/linux.h (COMMENT_BEGIN): Likewise.
2646 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
2648 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
2650 Add sparc64 linux support.
2651 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
2652 to xm_file list on 32-bit sparc-linux.
2653 * sparc/xm-sp64.h: New file.
2654 * sparc/linux64.h: New file.
2655 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
2656 Don't include xm-sparc.h.
2657 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
2658 * glimits.h (LONG_MAX): Handle sparc64.
2660 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
2662 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
2663 * sparc.h (ASM_COMMENT_START): Define.
2664 * sparc.c (output_function_prologue): Use it.
2665 (sparc_flat_output_function_{epi,pro}logue): Likewise.
2667 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
2669 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
2670 use sparc.h's copies.
2671 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
2674 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2676 * sparc.c (dwarf2out_cfi_label): Add declaration.
2677 (save_regs, output_function_prologue): Remove cast for it.
2678 (sparc_flat_{save_restore,output_function_prologue): Likewise.
2679 ({save,restore}_regs): No longer inline.
2681 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2683 * fold-const.c (make_range): Correctly handle cases of converting
2684 from unsigned to signed type.
2686 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2688 * fold-const.c (merge_ranges): Make sure that if one range is subset
2689 of another, it will always be the second range. Correct (+,-) case to
2692 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
2694 * final.c (final_end_function): Also do dwarf2 thing if
2695 DWARF2_DEBUGGING_INFO.
2696 (final_start_function): Likewise.
2698 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
2700 * expmed.c (expand_divmod): If compute_mode is not the same as
2701 mode, handle the case where convert_modes() causes op1 to no
2702 longer be a CONST_INT.
2704 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
2705 note holding get_jump_flags() calculation to all JUMP_INSNs.
2706 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
2707 * rtl.c (reg_note_name): Add new note types.
2709 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
2711 * rtlanal.c (computed_jump_p): Fix typo in last change.
2713 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2715 * loop.c (indirect_jump_in_function_p): Return 0
2718 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
2720 * rs6000/xm-rs6000.h: Fix thinko in last change.
2721 * rs6000/xm-sysv4.h: Likewise.
2723 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
2725 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
2727 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
2729 * reg-stack.c (find_blocks): Fix thinko in last change.
2731 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2733 * m68k.c (output_function_prologue): Add dwarf2 support.
2735 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
2736 INCOMING_FRAME_SP_OFFSET): New definitions.
2738 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
2740 * combine.c (try_combine): Use NULL_RTX instead of '0' where
2741 appropriate in calls to gen_rtx().
2742 * cse.c (cse_main): Likewise.
2743 * emit-rtl.c (gen_label_rtx): Likewise.
2744 * expr.c (init_expr_once): Likewise.
2745 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
2746 sched_analyze, init_rgn_data_dependences,
2747 compute_block_backward_dependences): Likewise.
2748 * sched.c (schedule_insns): Likewise.
2749 * varasm.c (immed_double_const): Likewise.
2751 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
2752 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
2754 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
2756 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
2757 (MULTILIB_DEFAULTS): Define.
2758 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
2759 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
2760 (LIBGCC_SPEC): Likewise.
2761 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
2762 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
2763 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
2764 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
2765 (EXTRA_PARTS, TAROUTOPTS): Delete.
2766 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
2767 (MULTILIB_OPTIONS): Define.
2768 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
2769 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
2771 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
2773 * version.c: Bump for snapshot.
2775 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
2777 * loop.c (loop_number): Delete function. Change all references
2778 to use uid_loop_num array.
2779 * loop.h (loop_number): Delete declaration.
2780 * unroll.c (unroll_loop): Change "loop_number" references to
2781 use uid_loop_num instead.
2783 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
2785 (loop_unroll_iter): Remove unused variable and all references.
2786 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
2787 (insert_bct): Fix minor formatting problems.
2788 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
2789 (loop_unroll_iter): Removed unused decl.
2790 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
2791 Always record the unrolling factor.
2793 * cse.c (simplify_relational_operation): Set h0u just like h0s.
2794 Similarly for h1u and h1s.
2796 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
2797 (find_basic_blocks): Use computed_jump_p to determine if a
2798 particular JUMP_INSN is a computed jump.
2799 * reg-stack.c (find_blocks): Use computed_jump_p to determine
2800 if a particular JUMP_INSN is a computed jump.
2801 * rtlanal.c (jmp_uses_reg_or_mem): New function.
2802 (computed_jump_p): Likewise.
2803 * rtl.h (computed_jump_p): Declare.
2804 * genattrtab.c (pc_rtx): Define and initialize.
2805 * loop.c (loop_optimize): Always determine if the current
2806 function has a computed jump.
2807 (indirect_jump_in_function_p): Use computed_jump_p to determine
2808 if a particular JUMP_INSN is a computed jump.
2810 * loop.c (fix_bct_param): Delete unused function.
2811 (check_bct_param): Likewise.
2813 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
2815 * frame.c (__deregister_frame): Check properly for initialized object.
2817 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2819 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
2821 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2823 * jump.c (thread_jumps): check can_reverse_comparison_p before
2824 threading a reversed-condition jump.
2826 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
2827 * haifa-sched.c (update_flow_info): Likewise.
2829 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
2831 * Makefile.in (BOOT_CFLAGS): Use -O2.
2833 * configure.in (strtoul, bsearch): Have autoconf check for these
2835 * configure, config.in: Rebuilt.
2837 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
2838 * mips/mips.h (alloca): Likewise.
2839 * rs6000/xm-rs6000.h (alloca): Likewise.
2840 * rs6000/xm-sysv4.h: Likewise.
2842 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
2844 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
2845 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
2846 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
2848 * except.c (end_eh_unwinder): Subtract 1 from return address.
2849 * libgcc2.c (__throw): Likewise.
2850 (find_exception_handler): Don't change PC here. Compare end with >.
2852 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
2854 * v850.c (compute_register_save_size): Correct register
2856 * v850.md (save_interrupt, return_interrupt): Correct
2858 * v850/lib1funcs.asm (save_interrupt): Correct register number.
2859 (return_interrupt): Use stack pointer, not element pointer.
2861 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
2863 * configure.in, configure: Make sure to create the stage* and include
2864 symbolic links in each subdirectory.
2866 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
2868 * pa.md (reload_peepholes): Don't allow addresses with side
2869 effects for the memory operand.
2871 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
2873 * libgcc2.c (find_exception_handler): Subtract one from our PC when
2874 looking for a handler, to avoid hitting the beginning of the next
2877 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
2879 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
2881 * mips/abi64.h (LONG_MAX_SPEC): Define.
2882 * mips.h (LONG_MAX_SPEC): Define.
2883 (CPP_SPEC): Include long_max_spec.
2884 (EXTRA_SPECS): Include long_max_spec.
2886 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
2888 * v850.c (construct_save_jarl): Fix thinko in last change.
2890 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
2892 * version.c: Bump for snapshot.
2894 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
2896 * libgcc2.c (find_exception_handler): Not found is -1.
2898 * integrate.c (expand_inline_function): Move expand_start_bindings
2899 after expanding the arguments.
2901 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
2903 * expr.c (expand_expr): Remove previous incorrect change.
2904 If target and slot has no DECL_RTL, then call mark_addressable
2905 again for the slot after we give it RTL.
2907 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
2909 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
2910 again for the slot after we give it RTL.
2912 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
2914 * v850.c (register_is_ok_for_epilogue,
2915 pattern_is_ok_for_epilogue, construct_restore_jr,
2916 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
2918 * v850.h (pattern_is_ok_for_prologue,
2919 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
2922 * v850.md: Replace prologue and epilogue patterns with a
2923 match_parallel pattern.
2925 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
2927 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
2928 * configure.in: Use EGCS_PROG_INSTALL.
2930 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
2932 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
2933 extern inline function.
2935 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
2937 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
2938 (concat_loc_descriptor): New function.
2939 (loc_descriptor): Call it.
2940 (add_AT_location_description): Also elide the descriptor if both
2941 halves of a CONCAT are pseudos.
2942 (add_location_or_const_value_attribute): Recognize CONCAT too.
2944 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
2946 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
2948 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
2949 out-or-range reg_offset.
2950 (output_epilog): Likewise.
2952 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
2954 * cse.c (simplify_relational_operation): If MODE specifies a
2955 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
2956 is derived from the sign bit of the low word.
2958 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
2960 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
2962 * dwarf2.h: Add DW_CFA_GNU_args_size.
2963 * frame.c (execute_cfa_insn): Likewise.
2964 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
2965 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
2966 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
2967 insn, hand it off to dwarf2out_stack_adjust.
2968 (dwarf2out_begin_prologue): Initialize args_size.
2969 * frame.h (struct frame_state): Add args_size.
2970 * libgcc2.c (__throw): Use args_size.
2971 * final.c (final_scan_insn): If we push args, hand off all insns
2972 to dwarf2out_frame_debug.
2973 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
2975 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
2976 Handle epilogue restore of SP from FP.
2977 * emit-rtl.c (gen_sequence): Still generate a sequence if the
2978 lone insn has RTX_FRAME_RELATED_P set.
2980 * frame.c (extract_cie_info): Handle "e" augmentation.
2981 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
2982 absence of UNALIGNED_*_ASM_OP.
2983 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
2984 (output_call_frame_info): Use "e" instead of "z" for augmentation.
2985 Don't emit augmentation fields length.
2986 (dwarf2out_do_frame): Move outside of #ifdefs.
2987 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
2990 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
2991 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
2992 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
2993 * sparc/sun4gas.h: New file.
2994 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
2996 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
2997 __register_frame_table and __deregister_frame.
2999 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
3001 * except.c (find_exception_handler_labels): Use xmalloc instead of
3002 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
3005 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
3007 * Makefile.in: Various changes to build info files
3008 in the object tree rather than the source tree.
3010 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
3012 * fixinc.math: New file to fix math.h on some systems.
3013 * configure.in (freebsd, netbsd): Use fixinc.math on these
3015 * configure: Rebuilt.
3017 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
3019 * regmove.c (regmove_optimize): If we end up moving the
3020 original insn due to lifetime overlaps, make sure to move
3023 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
3025 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
3027 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
3029 * haifa-sched.c (add_branch_dependences): Make each insn in
3030 a SCHED_GROUP_P block explicitly depend on the previous insn.
3032 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
3034 * except.h: Prototype dwarf2 hooks.
3037 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
3039 * configure.in (native_prefix): Delete.
3040 (mips-dec-netbsd): Don't set prefix.
3041 (*linux*): Don't set prefix.
3043 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
3045 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
3046 defined. If not defined, include <sys/varargs.h> if
3047 HAVE_SYS_VARARGS_H is defined.
3048 * configure.in: Test for varargs.h and sys/varargs.h.
3049 * configure: Regenerate with autoconf.
3050 * config.in: Regenerate with autoheader.
3052 * cpplib.c (quote_string): Cast first arg of sprintf call
3053 from "unsigned char *" to "char *".
3054 (output_line_command): Ditto.
3055 (macroexpand): Ditto.
3056 (do_line): Cast atoi arg from "unsigned char *" to "char *".
3058 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
3060 * version.c: Bump for snapshot.
3062 * Makefile.in (compare): Exit with nonzero status if there
3063 are comparison failures. Note which files failed the
3064 comparison test in .bad_compare.
3066 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3068 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
3070 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
3072 * Makefile.in (LN, LN_S): New macros, use where appropriate.
3073 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
3074 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
3075 * configure: Regenerated.
3077 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
3079 * loop.c (strength_reduce): Fix typo.
3081 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
3083 * m88k/m88k.c (struct option): Rename to struct options.
3084 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
3085 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
3086 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
3087 __DOLPHIN__ or sysV88.
3089 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
3091 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
3094 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
3096 * config.sub: Accept 'amigados' for backward compatability.
3098 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3100 * Makefile.in (testsuite/site.exp): New target.
3101 (check-gcc, check-g++): Depend on testsuite/site.exp.
3102 Don't stop for failure.
3104 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
3106 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
3107 if DWARF2_UNWIND_INFO.
3109 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
3111 Add support for exception handling using DWARF 2 frame unwind info.
3112 Currently works on SPARC and MIPS, and almost on x86.
3114 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
3115 next_stack_level, in_reg_window): Helper fns.
3116 (__throw): Implement for DWARF2_UNWIND_INFO.
3118 * expr.c (expand_builtin): Handle builtins used by __throw.
3119 * tree.h (enum built_in_function): Add builtins used by __throw.
3120 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
3121 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
3122 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
3123 (expand_builtin_extract_return_addr): Likewise.
3124 (expand_builtin_frob_return_addr): Likewise.
3125 (expand_builtin_set_return_addr_reg): Likewise.
3126 (expand_builtin_eh_stub): Likewise.
3127 (expand_builtin_set_eh_regs): Likewise.
3128 (eh_regs): Choose two call-clobbered registers for passing back values.
3130 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
3131 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
3132 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
3133 (stmp-multilib): Likewise.
3134 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
3136 * except.c: #include "defaults.h".
3137 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
3138 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
3139 (register_exception_table_p): New fn.
3140 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
3141 (end_eh_unwinder): Likewise.
3143 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
3144 call __register_frame and __deregister_frame as needed.
3145 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
3146 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
3147 EH_FRAME_SECTION_ASM_OP.
3148 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
3149 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
3150 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
3152 * dwarf2out.c (output_call_frame_info): If no support for
3153 EXCEPTION_SECTION, mark the start of the frame info with a
3155 * collect2.c (frame_tables): New list.
3156 (is_ctor_dtor): Recognise frame entries.
3157 (scan_prog_file): Likewise.
3158 (main): Pass -fno-exceptions to sub-compile. Also do collection
3159 if there are any frame entries.
3160 (write_c_file_stat): Call __register_frame_table and
3161 __deregister_frame as needed.
3162 (write_c_file_glob): Likewise.
3164 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
3165 Also require unaligned reloc support.
3166 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3167 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
3168 * sparc/sysv4.h: Not here.
3170 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
3171 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
3172 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
3174 * libgcc2.c (L_eh): Reorganize, moving code shared by different
3175 EH implementations to the top.
3176 (find_exception_handler): Split out. Start from 0. Compare against
3178 (__find_first_exception_table_match): Use it.
3179 * except.c (output_exception_table): Don't do anything if there's
3180 no table. Don't output a first entry of zeroes.
3181 (eh_outer_context): Adjust properly.
3182 (add_eh_table_entry): Use xrealloc.
3183 * toplev.c (compile_file): Just call output_exception_table.
3185 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
3187 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
3189 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
3191 * except.c (eh_outer_context): Do masking using expand_and.
3193 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
3195 Add port done awhile ago for the ARC cpu.
3196 * arc/arc.h: New file.
3197 * arc/arc.c: New file.
3198 * arc/arc.md: New file.
3199 * arc/initfini.c: New file.
3200 * arc/lib1funcs.asm: New file.
3201 * arc/t-arc: New file.
3202 * arc/xm-arc.h: New file.
3203 * ginclude/va-arc.h: New file.
3204 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
3205 * ginclude/varargs.h: Likewise.
3206 * Makefile.in (USER_H): Add va-arc.h.
3207 * configure.in (arc-*-elf*): Recognize.
3208 * longlong.h: Add ARC support.
3210 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
3212 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
3213 when clearing non-BLKmode data.
3215 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
3217 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
3218 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
3220 * xm-m88k.h (USG): Only define if it hasn't already been defined.
3222 * Makefile.in (risky-stage1): Delete gratutious whitespace.
3224 * Makefile.in (clean): Delete libgcc1-test.
3226 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
3228 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
3230 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
3233 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3235 * dwarf2out.c (output_call_frame_info): Call named_section.
3237 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
3239 * haifa-sched.c (print_value): Fix last change.
3241 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
3243 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
3246 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
3248 * mips.c (function_prologue): Set up the CFA when ABI_32.
3250 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
3251 for dwarf2 unwind info.
3252 (output_function_prologue, sparc_flat_output_function_prologue): Same.
3254 * final.c (final_end_function): Check dwarf2out_do_frame instead
3255 of DWARF2_DEBUG for dwarf2 unwind info.
3256 (final_scan_insn): Likewise.
3257 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
3260 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
3263 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
3265 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
3267 * v850.h (ASM_SPEC): Pass on target processor.
3268 (CPP_PREDEFINES): Only define if not already specified.
3269 (TARGET_VERSION): Only define if not already specified.
3270 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
3272 (EXTRA_SWITCHES): Extra entries in the switches array.
3273 (TARGET_DEFAULT): Set default target processor.
3275 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
3277 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
3278 cases, add %# and %/, and add : to make them into extended asms.
3280 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
3282 * alias.c (init_alias_analysis): Clean up incompatible pointer
3283 type warning in bzero.
3284 * regmove.c (regmove_optimize): Ditto.
3285 * haifa-sched.c (find_rgns): Ditto.
3287 * haifa-sched.c (print_value): Clean up ptr->int cast
3290 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
3292 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
3293 * install.texi (Configurations): Ditto.
3294 * config.sub: Ditto.
3296 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
3298 * Makefile.in (sdbout.o): Depend on insn-config.h.
3300 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
3302 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
3303 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
3305 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
3307 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
3308 prologue insn, only the first elt is significant.
3309 (output_call_frame_info): For exception handling, always use 4-byte
3310 fields as specified by the dwarf2 spec.
3311 Don't skip trivial FDEs.
3313 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
3315 * version.c: Bump for snapshot.
3317 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
3319 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
3320 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
3323 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
3325 * final.c (shorten_branches): During first pass, assume worst
3326 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
3328 * Makefile.in (distclean): Remove various things left around
3329 by running the testsuite.
3331 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
3333 * configure.in (out_file): Emit definition to config.status in order
3334 to have a defined value for configure.lang.
3335 * configure: Re-built.
3337 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
3339 * configure.in: Make symlink to as-new rather than as.new. Similarly
3341 * configure: Rebuilt.
3343 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
3345 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
3347 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
3349 * sparc/sparc.md: Add ultrasparc scheduling support.
3350 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
3352 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
3354 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
3355 as initial value for real_label_map.
3356 (copy_for_inline): Likewise.
3358 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3360 * sched.c (update_flow_info) When looking if to set found_split_dest
3361 or found_orig_dest, look at all parts of a PARALLEL.
3362 * haifa-sched.c (update_flow_info): Likewise.
3364 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
3366 * v850: New directory for v850 port.
3367 * v850/lib1funcs.asm: New file.
3368 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
3369 * ginclude/va-v850.h: New file.
3370 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
3371 * configure.in (mn10200-*-*): New target.
3372 * configure: Rebuilt.
3373 * config.sub: Handle v850-elf.
3374 * Makefile.in (USER_H): Add va-mn10200.h.
3375 * invoke.texi: Document v850 stuff.
3377 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
3379 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
3380 has integer TYPE_{MAX,MIN}_VALUE before using them.
3382 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
3383 __HPUX_ASM__ versions.
3385 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
3387 * install.sh: Delete duplicate install script.
3389 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
3391 * reg-stack.c (subst_stack_regs): Pop the stack register for a
3392 computed goto which sets the same stack register.
3394 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
3395 destination are both on the regstack.
3396 (subst_stack_regs_pat): Put the destination at the top of the regstack.
3398 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
3400 * mips.md (nonlocal_goto_receiver): Define.
3402 * profile.c (output_arc_profiler): Check next_insert_after for non
3403 NULL before deferencing it.
3405 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
3407 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
3409 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
3411 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
3413 * toplev.c (rest_of_compilation): For passes starting with
3414 flow_analysis, use print_rtl_with_bb instead of print_rtl.
3416 * print-rtl.c (print_rtl_single): Print a single rtl value to a
3419 * flow.c (print_rtl_with_bb): Print which insns start and end
3420 basic blocks. For the start of a basic block, also print the live
3423 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
3425 * toplev.c (main): Change #elif to #else/#ifdef
3427 * tlink.c: Include ctype.h.
3428 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
3430 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
3432 * bitmap.c: Conditionally include stdlib.h.
3433 (free): Provide a declaration if NEED_DECLARATION_FREE.
3435 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
3437 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
3439 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
3441 * profile.c (output_arc_profiler): Verify next_insert_after is an
3442 INSN before and after skipping a stack pop.
3444 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3446 * final.c (shorten_branches): Don't count the lengths of deleted
3449 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
3451 * version.c: Bump for snapshot.
3453 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
3455 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
3456 two bitmaps ANDed together.
3457 (bitmap_print): Declare.
3459 * bitmap.c (function_obstack): Don't declare any more.
3460 (bitmap_obstack): Obstack for allocating links from.
3461 (bitmap_obstack_init): New static to say whether to initialize
3463 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
3464 (bitmap_release_memory): Free all memory allocated from
3467 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
3468 EXECUTE_IF_AND_IN_BITMAP.
3470 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
3472 * alias.c (true_dependence): Address with AND can alias scalars.
3473 (anti_dependence, output_dependence): Likewise.
3475 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
3477 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
3479 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
3480 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
3481 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
3482 definitions. Use -qrtems instead of -mrtems.
3484 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
3486 * xm-sco5.h (sys_siglist): Define.
3487 (SYS_SIGLIST_DECLARED): Likewise.
3489 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
3491 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
3493 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
3495 * except.c (eh_outer_context): Expand masking operation using
3498 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
3500 * alpha.md (floatdisf2-1): New pattern.
3502 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
3504 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
3505 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
3506 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
3507 * gcc.texi: Note that if you define sys_siglist that you should
3508 also define SYS_SIGLIST_DECLARED.
3510 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
3511 are relative to the next instruction, not the current instruction.
3513 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
3515 * local-alloc.c (contains_replace_regs): New function.
3516 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
3517 verify that there is no existing REG_EQUIV note, and add a call to
3518 contains_place_regs.
3520 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3522 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
3523 (STARTFILE_SPEC): Always use crtbegin.o%s
3524 (ENDFILE_SPEC): Always use crtend.o%s.
3526 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
3528 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
3530 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
3531 SFmode for 64 bit hosts.
3533 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
3535 * fixincludes: Permits spaces between # and define. Discard C++
3536 comments in sys/pci.h on HP/UX 10.20.
3538 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
3540 * version.c: Bump for snapshot.
3542 * pa.c (restore_unscaled_index_insn_codes): New function.
3543 (record_unscaled_index_insn_codes): Likewise.
3544 (output_function_prologue): Call restore_unscaled_index_insn_codes.
3545 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
3546 (pa_reorg): Call record_unscaled_index_insn_codes.
3548 * haifa-sched.c (move_insn): Handle notes correctly for insns
3549 with SCHED_GROUP_P set.
3551 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3553 * alpha/xm-linux.h (USE_BFD): Undef before define.
3555 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
3557 * cse.c (cse_insn): Don't record BLKmode values.
3559 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
3561 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
3563 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
3565 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
3566 * collect2.c (sys_errlist): Likewise.
3567 * cpplib.c (sys_errlist): Likewise.
3568 * gcc.c (sys_errlist): Likewise.
3569 * protoize (sys_errlist): Likewise.
3570 * configure.in: Check for strerror.
3571 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
3572 * xm-gnu.h (HAVE_STRERROR): Likewise.
3573 * xm-linux.h (HAVE_STRERROR): Likewise.
3574 * xm-netbsd.h (HAVE_STRERROR): Likewise.
3575 * xm-bsd386.h (HAVE_STRERROR): Likewise.
3576 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
3577 * xm-dos.h (HAVE_STRERROR): Likewise.
3578 * xm-mingw32.h (HAVE_STRERROR): Likewise.
3579 * xm-pa.h (HAVE_STRERROR): Likewise.
3580 * xm-papro.h (HAVE_STRERROR): Likewise.
3581 * xm-sysv4.h (HAVE_STRERROR): Likewise.
3582 * configure, config.in: Rebuilt.
3584 * Makefile.in: Add several missing "else true" clauses.
3586 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
3587 * mips-tfile.c: Likewise.
3588 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
3589 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
3590 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
3591 * configure.in: Check for sys_siglist declaration.
3592 * configure, config.in: Rebuilt.
3594 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
3596 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
3597 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
3598 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
3599 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
3600 * rs6000/sysv4.h (extra_subtarget_switches): Added new
3601 macro EXTRA_SUBTARGET_SWITCHES.
3602 * configure.in (sh*-*-rtems*): New target.
3603 * sh/rtems.h: New file.
3604 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
3605 * configure: Rebuilt.
3607 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
3609 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
3611 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
3613 * rs6000.md: Make DF fused-add operations pay attention to
3616 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
3618 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
3620 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
3622 * pa.md (reload_peepholes): Make sure operand is a REG before
3623 examining REGNO. Allow general registers too.
3625 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
3627 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
3629 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
3631 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
3632 to reallocate abbrev_die_table.
3634 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
3636 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
3638 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3640 * Makefile.in (config.status): Depend on version.c
3642 * expr.h (insn_gen_function): Reenable prototype.
3644 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
3647 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
3649 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
3651 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
3653 * version.c: Bump for latest snapshot.
3655 * bc-optab.c: Conditionally include stdlib.h.
3656 (free): Provide a declaration if NEED_DECLARATION_FREE.
3657 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
3658 * rtl.h (free): Remove declaration.
3659 * tree.h (free): Remvoe declaration.
3661 * configure: Rebuilt.
3663 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
3665 * flags.h (flag_move_all_movables): Declare.
3666 (flag_reduce_all_givs): Likewise.
3667 * loop.c (move_movables): Handle flag_move_all_movables.
3668 (strength_reduce): Handle flag_reduce_all_givs.
3669 * toplev.c (flag_move_all_movables): Define.
3670 (flag_reduce_all_givs): Likewise.
3671 (f_options): Add -fmove-all-movables and -freduce-all-givs.
3672 * invoke.texi: Document new options, including alias stuff that
3673 wasn't included last time.
3675 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
3677 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
3680 * t-vxworks68: Ditto.
3681 * t-vxworks960: Ditto.
3684 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
3686 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
3687 if not already defined, and USE_C_ALLOCA not defined.
3689 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
3691 * config.guess: Replace with script that uses ../config.guess.
3693 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
3694 if USE_GNULIBC_1 is not defined.
3696 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
3698 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
3699 * config.guess: Recognize alpha-linux-gnulibc1.
3700 * configure.in (alpha-*-linux-gnulibc1): New target.
3701 (alpha-*-linux-gnu*): Don't build crtbegin/end.
3703 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
3705 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
3708 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
3710 * loop.c (combine_movables): Earlier insns don't match later ones.
3712 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3714 * config/linux.h (CC1_SPEC): Define it only if not defined.
3716 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
3719 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
3720 USE_GNULIBC_1 is not defined.
3722 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
3724 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
3725 as 1 if USE_GNULIBC_1 is not defined.
3727 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
3729 * reorg.c (dbr_schedule): Allow current_function_return_rtx
3730 to be something other than a REG.
3731 * function.c (expand_function_end): Fix current_function_return_rtx
3734 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
3735 * x-netbsd: Likewise
3736 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
3737 (INSTALL_HEADERS): Delete.
3738 * x-dguxbcs: Likewise.
3739 * x-hp3bsd44: Likewise
3742 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3744 * i386.md (pop): pop increments the stack pointer.
3745 (prologue_set_stack_ptr): New pattern.
3746 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
3749 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
3751 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
3752 address where an offsettable address is required.
3754 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
3756 * loop.c (check_final_value): Don't miss a biv increment in a
3759 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
3761 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
3762 TYPE_DECL_IS_STUB instead of DECL_NAME.
3764 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3766 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
3768 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
3770 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
3772 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
3774 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
3775 (find_post_sched_live): Likewise.
3777 * haifa-sched.c (schedule_block): Remove old code to get arguments
3778 from hard regs into pseudos early.
3780 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
3782 * version.c: Bump for new snapshot.
3784 * local-alloc.c (update_equiv_regs): All the target to reject
3785 promotion of some REG_EQUAL to REG_EQUIV notes.
3786 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
3788 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
3791 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
3792 store of the argument registers.
3794 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
3796 * fold-const.c (multiple_of_p): New function.
3797 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
3799 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
3801 * expr.h (insn_gen_function): Temporarily remove prototype.
3803 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
3805 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
3806 filenames. Use sed to extract base filename for install.
3808 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
3810 * unroll.c (find_splittable_givs): Only share if two givs have the
3811 same add and multiply values.
3813 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
3815 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
3816 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
3818 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
3820 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
3821 around branch tables.
3822 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
3823 and .end_brtab directives if TARGET_GAS.
3825 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
3827 * alias.c (true_dependence): Pass x_addr not x to varies.
3829 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
3830 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
3831 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
3833 * config.in, configure: Regenerate.
3835 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
3837 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
3839 (record_set): Handle LO_SUM like PLUS.
3840 (init_alias_analysis): When following chains of base addresses,
3841 do not stop on reaching a hard register.
3843 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
3845 * version.c: Bump for new snapshot.
3847 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
3849 * alpha.h (ARCH_ASM_FILE_START): Define.
3850 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
3851 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
3853 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
3855 * Makefile.in (install-common): Put gcov comment at start of line.
3857 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
3859 * alias.c (init_alias_analysis): When simplifying the reg_base_value
3860 array, simplify entries for hard registers too.
3862 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
3864 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
3867 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
3869 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
3870 block_stack before dereferencing it.
3872 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
3874 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
3876 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
3878 * cplus-dem.c: Add 'extern' to prepends_underscore.
3880 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
3882 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
3883 (get_issue_rate): Delete.
3884 * pa.h (ISSUE_RATE): Define.
3886 * configure.in: Turn on haifa by default for the PA.
3887 * configure: Rebuilt.
3888 * pa.c (override_options): Accept -mschedule=7200 option.
3889 (pa_adjust_cost): No longer need to scale costs for newer
3891 * pa.h (enum processor_type): Add PROCESSOR_7200.
3892 * pa.md: Revamp scheduling parameters to work better with
3893 haifa. Add scheduling parameters for the 7200.
3895 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
3897 (schedule_block): When adjusting basic_block_{head,end}, account
3898 for movement of SCHED_GROUP_P insns too.
3900 * haifa-sched.c (debug_dependencies): Fix thinko.
3902 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
3903 (site.exp, check, check-g++, check-gcc): New targets.
3905 * haifa-sched.c: Make lots of variables static.
3907 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3909 * expr.h, real.h: Finish prototyping.
3911 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
3913 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
3914 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
3915 * reload1.c: Undo bugfix from Aug 11.
3917 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
3919 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
3920 quotes around the name.
3921 * configure: Regenerate.
3923 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
3925 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
3927 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
3929 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
3930 to sub-makes to avoid building more passes than the user might have
3931 requested on the command line.
3933 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
3935 * configure.in: Expurgate `broken_install' (install is
3938 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
3941 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
3943 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
3944 functions and declarations.
3945 (analyze_loop_iterations): Use condjump_p.
3946 (insert_bct): Likewise. Use exact_log2.
3948 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
3950 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
3951 (schedule_region): Likewise.
3952 (schedule_insns): Likewise.
3954 * PROJECTS: Update with Haifa stuff.
3956 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
3958 * version.c: Change the version string to look like:
3959 egcs-2.90.00 970814 (gcc2-970802 experimental).
3961 * loop.c (is_conditional_branch): Make definition match declaration.
3963 * gcc.c: Take out experimental snapshot warning message.
3965 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
3967 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
3968 print out the names of the notes. Print out the name of the insn
3969 that is not a note, and not an {,CALL_,JUMP_}INSN.
3971 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
3973 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
3974 again for the slot after we give it RTL.
3976 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
3978 * configure.in (haifa configury): Fix typo.
3979 * configure: Regenerate.
3981 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
3983 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
3985 * gcc.info*: Rebuilt.
3987 * COPYING.g77, README.g77: New files.
3988 * real.c (ereal_unto_float, ereal_unto_double): New functions.
3989 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
3990 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
3992 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
3994 * Integrate Haifa instruction scheduler.
3995 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
3996 to sched with $(SCHED_CFLAGS.
3997 * configure.in: Handle --enable-haifa.
3998 * configure: Rebuilt.
3999 * flags.h: Add new flags for haifa instruction scheduler.
4000 * genattrtab.c (expand_units): For haifa, don't subtract one
4001 when computing blockage.
4002 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
4003 (flag_schedule_speculative): Ditto.
4004 (flag_schedule_speculative_load): Ditto.
4005 (flag_schedule_speculative_load_dangerous): Ditto.
4006 (flag_schedule_reverse_before_reload): Ditto.
4007 (flag_schedule_reverse_after_reload): Ditto.
4008 (flag_branch_on_count_reg): Ditto.
4009 (f_options): Add Haifa switches.
4010 (main): Turn off some Haifa options if appropriate macro is
4011 defined. Process Haifa switches.
4012 * unroll.c (iteration_info): No longer static, since Haifa
4014 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
4015 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
4016 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
4017 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
4018 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
4019 storage for the Haifa scheduler.
4020 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
4022 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
4023 are defined, call analyze_loop_iterations and insert_bct to use
4025 (record_giv): Refine test for jumps out of loops if HAIFA is
4027 (analyze_loop_iterations): New function to identify if we can use
4029 (insert_bct): Insert countdown loop.
4030 (instrument_loop_bct): Low level code to insert countdown loop.
4031 (loop_number): Calculate UID of loop.
4032 (indirect_jump_in_function_p): Return true if an indirect jump is
4034 (is_power_of_2): Return true if value is a power of 2.
4035 (is_conditional_branch): Return true if insn is a conditional
4037 (fix_bct_param): Process -fbct-{min,max}-N switches.
4038 (check_bct_param): Return true if loop should be instrumented.
4039 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
4040 (loop_optimize): Initialize.
4041 (get_condition_for_loop): Ditto.
4042 * loop.c (strength_reduce): Inside of code that uses #ifdef
4043 HAVE_decrement_and_branch_on_count code, test it to make sure the
4045 (instrument_loop_bct): Ditto.
4046 * haifa-sched.c: New file.
4049 * Integrate regmove pass.
4050 * Makefile.in (OBJS): Add regmove.o
4051 (regmove.o): Add dependencies.
4052 * flow.c (find_use_as_address): No longer static.
4053 * rtl.h (find_use_as_address): Declare.
4054 * toplev.c (regmove_dump, flag_regmove): Define.
4055 (f_options): Add -fregmove.
4056 (regmove_dump_file, regmove_time): Define.
4057 (fatal_insn): Close the regmove dump file.
4058 (compile_file): Initialize regmove_time; open/close the regmove dump
4059 file as needed. Print regmove time as needed.
4060 (rest_of_compilation): Run regmove pass if requested, dump
4061 RTL after regmove if requested.
4062 (main): If -O2 or more, turn on regmove. Handle dump switches.
4063 * regmove.c: New file.
4065 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
4067 * Integrate tlink patch from jason@cygnus.com
4068 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
4069 (process_command): Increment n_switches for them. Don't discard
4070 their args. Validate them.
4071 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
4073 (process_command): Set include_prefixes from COMPILER_PATH.
4074 (main): Set COLLECT_GCC_OPTIONS sooner.
4075 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
4076 * tlink.c, hash.c, hash.h: New files.
4077 * Makefile.in (USE_COLLECT2): Always use collect2.
4078 (collect2): Depend on and link in hash.o and tlink.o.
4079 (tlink.o, hash.o): Add dependencies.
4081 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
4083 * Integrate alias analysis changes from jfc@mit.edu
4084 * Makefile.in (OBJS): Add alias.o
4085 (alias.o): Add dependencies.
4086 * alias.c: New file.
4087 * sched.c: Remove alias analysis code. It lives in alias.c now.
4088 (sched_analyze_2): Add new arguments to true_dependence.
4089 (schedule_insns): Always call init_alias_analysis.
4090 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
4091 mark return value from such functions as a pointer and keep track of
4092 them for alias analysis. If a return value from a function is a
4093 pointer, mark it as such.
4094 * combine.c (distribute_notes): Handle REG_NOALIAS.
4095 * cse.c (struct write_data): Delete. No longer needed.
4096 (invalidate): Don't call set_nonvarying_address_components anymore.
4097 Use true_dependence to decide if an entry should be removed from
4099 (invalidate_memory): Remove WRITES argument, simplify appropriately.
4101 (note_mem_written): Similarly for WRITE_PTR argument.
4102 (invalidate_from_clobbers): Similarly for W argument.
4103 (invalidate_for_call): Remove memory elements from the hash table.
4104 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
4105 (cse_rtx_varies_p): New function. Derived from old
4106 cse_rtx_addr_varies_p.
4107 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
4108 Don't call note_mem_written anymore. Stack pushes invalidate the stack
4109 pointer if PUSH_ROUNDING is defined. No longer need to call
4110 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
4111 (skipped_writes_memory): Remove variable.
4112 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
4113 (invalidate_skipped_block): Simplify for new alias analysis code.
4114 (cse_set_around_loop): Likewise.
4115 (cse_main): Call init_alias_analysis.
4116 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
4117 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
4118 (f_options): Add new alias checking arguments.
4119 (main): Set flag_alias_check when optimizing.
4120 * local_alloc (validate_equiv_mem_from_store): Add new arguments
4122 (memref_referenced_p): Likewise.
4123 * loop.c (NUM_STORES): Increase to 30.
4124 (prescan_loop): Only non-constant calls set unknown_address_altered.
4125 (invariant_p): Add new arguments to true_dependence.
4126 (record_giv): Initialize unrolled and shared fields.
4127 (emit_iv_add_mult): Call record_base_value as needed.
4128 * loop.h (struct induction): Add unrolled and shared fields.
4129 * unroll.c (unroll_loop): Call record_base_value as needed.
4130 (copy_loop_body): Likewise.
4131 (final_biv_value): Likewise.
4132 (final_giv_value): Likewise.
4133 (find_splittable_regs): Likewise. Only create one new pseudo
4134 if we have multiple address GIVs that were combined with the same
4135 dst_reg GIV. Note when a new register is created due to unrolling.
4136 * rtl.c (reg_note_name): Add REG_NOALIAS.
4137 * rtl.h (enum reg_note): Similarly.
4138 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
4139 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
4140 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
4141 (true_dependence, read_dependence, anti_dependence): Likewise.
4142 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
4143 (mark_user_reg, mark_reg_pointer): Likewise.
4146 * Integrate reload bugfix from Wilon which enables the PA port
4148 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
4149 OPERAND_ADDRESS when computing how many registers an insn needs.
4150 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
4152 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
4154 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
4155 in reload_reg_use_in_op_addr do not reach the end.
4156 do not reach the end.
4157 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
4158 RELOAD_FOR_OPERAND_ADDRESS.
4160 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
4162 * egcs project officially starts.