1 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
3 * frame.c (find_fde): Correct FDE's upper bound.
5 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
7 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
9 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
11 * calls.c (expand_call): Move #ifdef code out of macro argument
13 (emit_library_call, emit_library_call_value): Likewise.
15 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
17 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
19 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
21 * version.c: Bump for snapshot.
23 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
25 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
26 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
27 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
28 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
29 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
30 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
31 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
32 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
33 * unroll.c, varasm.c: Likewise.
34 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
36 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
38 * mips.h: Fix some type-o's from a previous change.
40 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
42 * loop.c (check_dbra_loop): Make sure initial value is a
43 CONST_INT before trying to normalize it.
45 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
47 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
49 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
51 * cppexp.c: Include gansidecl.h
53 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
55 * svr4.h (LINK_SPEC): Never specify -h.
56 * ptx4.h (LINK_SPEC): Likewise.
57 * rs6000/sysv4.h (LINK_SPEC): Likewise.
58 * sparc/sol2.h (LINK_SPEC): Likewise.
60 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
62 * c-typeck.c (comptypes): Exit early on NULL input.
64 * haifa-sched.c (schedule_insns): Correctly remove inter-block
65 dependencies after reload.
67 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
69 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
71 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
73 * alpha/vms.h (DIR_SEPARATOR): define
75 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
77 * Makefile.in (stamp-proto): Remove.
78 (protoize.o, unprotoize.o): Straightforward compile.
79 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
81 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
83 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
84 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
86 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
88 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
89 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
90 * sparc/netbsd.h, vax/netbsd.h: Likewise.
92 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
94 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
96 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
98 * configure.in (target_cpu_default, target_cpu_default2): Use double
99 quotes around them when testing their value.
100 * configure: Rebuilt.
102 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
104 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
106 (gendef): Call obstack_alloc_rtx.
108 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
110 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
113 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
115 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
116 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
117 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
119 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
121 * mips.md (return_internal): Change mode from SImode to VOIDmode.
123 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
125 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
128 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
130 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
131 suffix from operand 3.
133 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
134 Jeffrey A Law (law@cygnus.com)
136 * regmove.c: New implementation of regmove pass.
137 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
138 decls, make them have external linkage. Return a value from
140 * reload.h (count_occurrences): Add decl.
141 * reload1.c (count_occurrences): Delete decl, make it have external
143 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
145 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
147 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
148 if it is not defined.
150 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
152 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
153 * emit-rtl.c (gen_rtx): Move special code to ...
154 (gen_rtx_CONST_INT): New function.
155 (gen_rtx_REG): New function.
156 (*): Update all calls to gen_rtx.
157 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
158 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
159 (GEN_INT): Call gen_rtx_CONST_INT.
160 * gengenrtl.c: New file.
162 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
164 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
165 (base_alias_check): If no base found for address call canon_rtx and
168 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
170 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
171 arguments for mips16.
172 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
173 Don't lose if tsize is zero after handling large stack for mips16.
174 * mips.md (return): For trivial return, return address is in $31.
176 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
178 * mips/mips16.S: Various changes to make it work with -msingle-float
181 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
182 Ian Lance Taylor <ian@cygnus.com>
183 Jeff Law <law@cygnus.com>
185 * mips.c, mips.h, mips.md: First cut at merging in mips16
186 support. Major modifications throughout all three files.
188 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
190 * configure.in: Make gthr-default.h a forwarding header instead of
193 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
195 * gcov-io.h: Include sys/types.h to ensure we get size_t.
197 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
199 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
200 Jeffrey A Law (law@cygnus.com)
202 * crtstuff.c (__frame_dummy): New function for irix6.
203 (__do_global_ctors): Call __frame_dummy for irix6.
204 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
206 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
208 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
210 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
212 * c-decl.c (init_decl_processing): Provide proper fallback symbol
213 for __builtin_memset.
214 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
215 not INTEGER_CST. Assert arg 3 is a constant.
217 * alpha.c (mode_width_operand): Accept 64-bit modes.
218 (mode_mask_operand): Likewise.
219 (print_operand): Likewise for 'M' and 'U' codes.
220 (alpha_expand_unaligned_load): New function.
221 (alpha_expand_unaligned_store): Likewise.
222 (alpha_expand_unaligned_load_words): Likewise.
223 (alpha_expand_unaligned_store_words): Likewise.
224 (alpha_expand_block_move): Likewise.
225 (alpha_expand_block_clear): Likewise.
226 * alpha.h (MOVE_RATIO): New define.
227 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
228 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
230 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
231 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
233 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
235 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
238 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
240 * emit-rtl.c (operand_subword): Correctly handle extracting a word
241 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
243 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
246 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
248 * configure.in: Set and subsitute host_exeext. Use it when creating
249 the assembler and linker symlinks.
250 * configure: Rebuild.
251 * Makefile.in (exeext): Set to @host_exeext@.
252 (build_exeext): New variable, set to @build_exeext@.
253 (FLAGS_TO_PASS): Pass down build_exeext.
254 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
257 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
259 * mn10200.md (addsi3, subsi3): Fix thinkos.
261 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
263 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
264 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
265 unix always, since we want to be able to thunk to functions in a
266 shared library from an application.
268 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
270 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
271 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
273 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
275 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
276 offset's mode is not ptr_mode, convert it.
278 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
280 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
281 compiling if it was already defined.
283 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
285 * flow.c (find_basic_blocks): Don't create a new basic block
286 for calls in a LIBCALL block.
288 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
290 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
292 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
294 * cse.c (rtx_cost): Remove conflicting default case.
296 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
298 * configure.in: Move default enabling of Haifa out of for loop.
299 * configure: Rebuild.
301 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
303 * version.c: Bump for snapshot.
305 1997-12-25 Teemu Torma <tot@trema.com>
307 * Makefile.in (GTHREAD_FLAGS): New var.
308 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
309 (distclean): Remove gthr-default.h.
311 * configure.in: Accept dce as a thread package.
312 Check for thread.h and pthread.h.
313 Link gthr-default.h to appropriate thread file and set
315 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
316 include multilib definitions from pa/t-dce-thr.
317 (sparc-*-solaris2*): Enable threads by default, if thread.h or
318 pthread.h is found, preferring posix threads over solaris ones.
320 * config/pa/t-dce-thr: New file.
321 * config/pa/t-pa: Removed multilibs.
322 * config/sparc/t-sol2: Ditto.
325 * gthr-single.h: New file.
326 * gthr-posix.h: New file.
327 * gthr-solaris.h: New file.
328 * gthr-dce.h: New file.
329 * libgcc-thr.h: Removed.
330 * objc/thr-dce.c: New file copied from thr-decosf1.c.
332 * frame.c: Include gthr.h instead of libgcc-thr.h.
333 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
334 (eh_context_initialize): If __gthread_once fails, use static eh
336 (eh_context_free): Call __gthread_key_dtor.
338 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
340 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
342 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
344 * cse.c (max_insn_uid): New variable.
345 (cse_around_loop): Use max_insn_uid.
346 (cse_main): Set max_insn_uid.
348 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
349 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
350 -mlong64, and -mgp{32,64} options.
351 * mips.c (mips_abi): Change type to int.
352 * mips.h (enum mips_abi_type): Delete.
353 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
354 (mips_abi): Change type to int.
356 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
358 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
359 optimization is now always enabled.
361 * calls.c (expand_call): Recognize C++ operator new as malloc-like
364 * alias.c (memrefs_conflict_p): Eliminate tests now done by
366 (*_dependence): Call canon_rtx before base_alias_check.
367 (init_alias_once): New function to precompute set of registers which
368 can hold Pmode function arguments.
370 * rtl.h: Declare init_alias_once.
372 * toplev.c (compile_file): Call init_alias_once.
374 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
376 * tree.c (restore_tree_status): Do not dereference a null pointer.
378 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
380 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
381 RLIMIT_STACK. This maintains consistency with the recent, similar
382 patch to cccp.c and toplev.c.
384 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
386 * genattrtab.c (expand_units): For large nr opclasses, expand
387 function_units_used with ORX to prevent blowups. Tag with FFS.
388 (num_unit_opclasses): New variable.
389 (gen_unit): Update it.
390 (enum operator): Add ORX_OP.
391 (operate_exp): Treat ORX as or, except don't expand across an if.
392 Reuse number rtx's after operating on them.
393 (check_attr_value): Accept IOR, AND, & FFS.
394 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
395 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
396 (write_expr_attr_cache, write_toplevel_expr): New functions.
397 (write_attr_get): Handle FFS-tagged expressions.
398 (make_canonical): Don't expand const attributes.
399 (convert_const_symbol_ref): Dike out.
400 (evaluate_eq_attr): Handle SYMBOL_REF.
401 (main): Don't emit get_attr_foo for const attributes.
403 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
404 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
405 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
406 * alpha.md: Redo all of the scheduling, adding EV6 support, and
407 combining function units where possible.
408 (attr "type"): Split loads, stores, cmov into int/fp. Combine
409 multiplies and divides. Add EV6 sqrt, ftoi, itof.
410 (attr "opsize"): New attribute.
411 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
412 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
413 to control register allocation.
414 (movsi2-1, movdi2-1): Likewise.
416 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
418 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
419 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
420 Move OSF/1 specific defines out.
421 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
422 Move Linux specific defines out.
423 (LINK_SPEC): Genericize.
424 (ASM_FILE_START): Emit .arch if using more than the base insn set.
425 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
426 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
427 (HANDLE_SYSV_PRAGMA): Define.
428 * alpha/osf.h: New file.
429 * alpha/linux.h: Split. Retain file-format independant defines.
430 Import Linux bits from elf.h.
431 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
432 (FUNCTION_PROFILER): _mcount takes its address in $28.
433 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
434 * alpha/linux-ecoff.h: New file.
435 * alpha/linux-elf.h: New file.
436 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
437 * alpha/win-nt.h (TARGET_DEFAULT): Define.
438 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
439 Add new headers as appropriate.
441 * configure.in (alpha*): Enable Haifa by default.
442 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
443 * configure: Rebuild.
445 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
447 * Makefile.in (clean): Remove the stages with their objects here ...
448 (distclean): ... instead of here.
450 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
452 * cse.c (rtx_cost): Add default case in enumeration switch.
453 * fix-header.c (recognized_macro): Likewise.
454 (recognized_extern): Likewise.
455 (write_rbrac): Likewise.
456 * objc/objc-act.c (encode_aggregate): Likewise.
457 (gen_declarator): Likewise.
458 (gen_declspecs): Likewise.
460 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
462 * haifa-sched.c (create_reg_dead_note): Detect and handle another
463 case where we kill more regs after sched than were killed before
465 * sched.c (create_reg_dead_note): Similarly.
467 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
469 * c-pragma.c: Include flags.h.
471 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
473 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
474 about system headers.
475 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
476 and also to resolve symbols in prefix.c.
478 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
479 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
480 when the definitions in auto-config.h is not visible.
481 (HAVE_BZERO): Likewise.
482 (HAVE_BCMP): Likewise.
483 (HAVE_RINDEX): Likewise.
484 (HAVE_INDEX): Likewise.
486 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
488 * pa.c (emit_move_sequence): Handle a function label source
491 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
493 * c-pragma.c (handle_pragma_token): Generate warning messages
494 about unknown pragmas if warn_unknown_pragmas is set.
496 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
497 line option to set variable: warn_unknown_pragmas.
499 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
501 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
503 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
505 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
507 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
508 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
509 generate more fine grained floating point emulation libraries.
510 * config/fp-bit.c: Add protecting #ifdef to all functions so
511 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
512 then compile all suitable functions.
513 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
514 underscores to avoid namespace pollution.
515 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
517 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
521 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
522 Jeff Law <law@cygnus.com>
524 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
526 * c-decl.c (finish_decl): Use parentheses around && within ||.
527 * rtl.c: Include stdlib.h.
528 (read_skip_spaces): Add parentheses around assignments used as
530 (read_rtx): Initialize list_rtx.
531 * cppexp.c (parse_number): Use || when operands are truth values.
532 * alias.c (find_base_value): Add default case.
533 (memrefs_conflict): Likewise.
534 * combine.c (sets_function_arg_p): Likewise.
535 * genemit.c (gen_exp): Likewise.
536 * local-alloc.c (contains_replace_regs): Likewise.
537 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
538 * fold-const.c (fold_convert): Use "&&" for truth values.
539 (fold): Add default case.
540 * sdbout.c (sdbout_field_types): Fix typo in declaration.
541 (sdbout_one_type): Add default case.
542 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
543 (some_operand): Add default case.
544 (input_operand): Likewise.
545 (signed_comparison_operator): Likewise.
546 (divmod_operator): Likewise.
547 (alpha_set_memflags_1): Likewise.
548 * reload1.c (reload_cse_simplify_operands): Ensure function
549 always returns a value.
550 * scan-decls.c (scan_decls): Likewise.
551 * c-lex.c (skip_white_space): Fix typo in declaraion.
552 * c-typeck.c (comp_target_types): Add parentheses around assignment
554 (print_spelling): Likewise.
555 (constructor_implicit, constructor_result): Remove unused variables.
556 * collect2.c (scan_library): Protect prototype with
557 #ifdef SCAN_LIBRARIES.
558 * emit-rtl.c (find_line_note): Fix typo in declaration.
559 * final.c (asm_insn_count): Protect prototype with
560 #ifdef HAVE_ATTR_length.
561 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
562 (try_pre_increment_1, try_pre_increment): Likewise.
563 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
564 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
565 * gcov-io.h (__store_long, __write_long, __read_long): Fix
566 unsigned/signed comparisons.
567 * gcov.c (read_files): Remove unused "first_type" variable.
568 (scan _for_source_files): Initialize s_ptr.
569 (function_summary): Eliminate "%lf" formatting, use %ld for
571 (output_data): Initialize branch_probs and last_line_num.
572 Eliminate "%lf" formatting, use "%ld" for longs.
574 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
576 * mips16.S: New file.
578 * libgcc2.c (varargs): Handle mips16.
580 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
582 * stmt.c (expand_end_case): Likewise.
583 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
584 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
585 * rs6000.h, sh.h, tahoe.h, v850.h vax.h z8k.h: Likewise.
587 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
589 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
591 (libobjc.a): Update dependency list.
592 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
594 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
595 (objc.mostlyclean): Remove runtime-info.h.
597 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
599 * tree.c (build_range_type): Allow creation of ranges with no maximum.
600 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
601 * dwarf2out.c (add_subscript_info): Likewise.
602 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
603 * sdbout.c (plain_type_1): Likewise.
604 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
606 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
609 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
611 * mips.c (fatal): Remove declaration.
613 1997-12-18 Mark Mitchell <mmitchell@usa.net>
615 * integrate.c (get_label_from_map): New function.
616 (expand_inline_function): Use it. Initialize the label_map to
617 NULL_RTX instead of gen_label_rtx.
618 (copy_rtx_and_substitute): Use get_label_from_map.
619 * integrate.h (get_label_from_map): New function.
620 (set_label_from_map): New macro.
621 * unroll.c (unroll_loop): Use them.
622 (copy_loop_body): Ditto.
624 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
626 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
627 (INIT_TARGET_OPTABS): Define.
628 * mips/ecoff.h: Include gofast.h before mips.h.
629 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
630 * mips/elf64.h: Likewise.
631 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
633 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
635 * except.c: Remove register_exception_table{,_p}.
637 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
639 * unroll.c (calculate_giv_inc): Handle constant increment found in
640 a MEM with an appropriate REG_EQUAL note.
642 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
644 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
645 frame pointer in the prologue.
647 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
649 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
650 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
652 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
654 * config/m68k/m68k.c (output_function_prologue): Typecast
655 dwarf2out_cfi_label to (char *).
656 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
658 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
660 * sparc.md (jump): Don't use the annul bit around an empty loop.
661 Patch from Kevin.Kelly@East.Sun.COM.
663 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
665 * jump.c: (optimize_jump): Don't use the return register as a
666 source1 of a conditional move.
668 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
670 * sparc.c (DF_MODES): Or the mask not the bit number.
671 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
673 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
675 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
677 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
679 * fixincludes (size_t): Add support for Motorola's stdlib.h
680 which fails to provide a definition for size_t.
681 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
682 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
683 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
685 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
686 prevent unresolved externals in libio.
687 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
689 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
691 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
692 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
693 (LIB_SPEC): Updated for glibc 2.
695 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
697 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
698 * ginclude/varargs.h: Likewise.
700 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
702 * version.c: Bump for snapshot.
704 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
706 * frame.h (__register_frame, __register_frame_table,
707 __deregister_frame): New.
708 * frame.c (__register_frame, __register_frame_table,
709 __deregister_frame): New.
710 * frame.c (__deregister_frame_info): Return void *.
711 * frame.h (__deregister_frame_info): Ditto.
712 * collect2.c (__deregister_frame_info): Ditto.
714 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
716 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
718 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
720 * alpha.c (alpha_cpu_name): New variable.
721 (alpha_mlat_string): Likewise.
722 (alpha_memory_latency): Likewise.
723 (override_options): Handle -mmemory-latency.
724 (alpha_adjust_cost): Adjust load cost for latency.
725 * alpha.h (TARGET_OPTIONS): Add meory-latency.
726 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
727 TARGET_CIX into account.
728 (MEMORY_MOVE_COST): Define in terms of memory_latency.
729 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
731 * alpha.h (ASM_COMMENT_START): New macro.
733 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
735 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
736 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
738 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
739 SUBREG_REG if the word count is unchanged.
740 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
741 subregs of identical word size for push_reload.
743 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
745 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
746 if all we're doing is dealing with -Wreturn-type.
748 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
750 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
751 Use and 255 instead of zapnot 1, since it schedules better.
753 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
755 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
758 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
760 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
761 dependency we delete. Properly update prev for multiple consecutive
763 (priority): Skip deleted dependence.
765 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
767 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
769 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
771 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
772 determining when a new basic block starts.
774 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
776 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
777 * pa.md (iorsi3): Add missing args to *_operand calls.
779 * except.c (call_get_eh_context): Don't mess with sequences.
780 (emit_eh_context): Include the call in the sequence here.
782 1997-12-11 Paul Eggert <eggert@twinsun.com>
784 * collect2.c (write_c_file_glob): Allocate initial frame object
785 in static storage and pass its address.
787 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
789 * except.c (call_get_eh_context): Don't take a parm.
790 Put the call at the top of the function.
791 (emit_eh_context): Adjust.
792 (get_eh_context): Replace with former use_eh_context.
793 (get_eh_context_once, get_saved_pc_ref): Remove.
794 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
796 * integrate.c (expand_inline_function): Adjust.
797 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
799 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
801 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
802 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
804 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
806 * fixincludes (strlen,strspn,strcspn return value): Handle different
808 (hypot): Provide a fake for hypot which is broken on
811 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
813 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
814 tree_code_name from pointers to arrays.
815 * tree.c: Remove standard_tree_code_* variables, no longer used.
816 * print-tree.c: Remove declaration of tree_code_name.
818 * cp/lex.c (init_lex): Update for tree_code_* changes.
819 * objc/objc-act.c (init_objc): Likewise.
821 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
824 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
826 * config.sub: Add support for BeOS target.
827 * configure.in: Likewise.
828 * ginclude/stdarg.h: Likewise.
829 * ginclude/stddef.h: Likewise.
830 * ginclude/varargs.h: Likewise.
831 * rs6000/beos.h: New file for BeOS.
832 * rs6000/t-beos: Likewise.
833 * rs6000/x-beos: Likewise.
834 * rs6000/xm-beos.h: Likewise.
835 * toplev.c (get_run_time): Just return 0 on BeOS.
837 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
838 Toon Moene (toon@moene.indiv.nluug.nl)
840 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
841 old and broken Sun3 assemblers. Newer versions handle large
842 offsets correctly as does the GNU assembler.
844 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
846 * objc/objc-act.c (lang_report_error_function): Disable.
847 * objc/objc-parse.y: Include "output.h".
848 (yyerror): Remove redundant decl.
849 (yyprint): Fix prototype.
850 (apply_args_register_offset): Remove redundant decl.
851 (get_file_function_name): Likewise.
853 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
855 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
857 (find_basic_blocks_1): Likewise.
859 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
861 * except.c (use_eh_context): Don't copy_rtx a REG.
862 (emit_throw): Lose old unwinder support.
863 (expand_internal_throw): Likewise.
864 * libgcc2.c (struct eh_context): Likewise.
865 (new_eh_context): Likewise.
866 (__get_eh_info): Lose redundant cast.
867 (__get_dynamic_handler_chain): Likewise.
868 (__get_saved_pc): Lose.
869 Lose all old unwinder support code.
871 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
873 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
875 * integrate.c (expand_inline_function): If the inline fn uses eh
876 context, make sure that the current fn has one.
877 * toplev.c (rest_of_compilation): Call emit_eh_context.
878 * except.c (use_eh_context): New fn.
879 (get_eh_context_once): New fn.
880 (call_get_eh_context): New fn.
881 (emit_eh_context): New fn.
882 (get_eh_context): Call either get_eh_context_once or
883 call_get_eh_context, depending on what we have.
884 (get_dynamic_handler_chain): Call get_eh_context_once.
885 * except.h: Prototypes for fns above.
886 * optabs.c (get_eh_context_libfunc): Removed.
887 (init_optabs): Don't initialize it.
888 * expr.h (get_eh_context_libfunc): Removed.
889 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
890 * config/pa/pa.h (CPP_SPEC): Support for -threads.
891 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
892 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
893 New multilib for -threads.
894 * config/sparc/t-sol2: Added multilibs for -threads and
895 made -pthreads alias to it.
896 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
897 Added -threads and -pthreads options.
898 * libgcc-thr.h: New file.
899 * libgcc2.c: (__get_cpp_eh_context): Removed.
900 (struct cpp_eh_context): Removed.
901 (struct eh_context): Replaced cpp_eh_context with generic language
903 (__get_eh_info): New function.
904 (__throw): Check eh_context::info.
906 * libgcc2.c: Include libgcc-thr.h.
907 (new_eh_context, __get_eh_context,
908 eh_pthread_initialize, eh_context_initialize, eh_context_static,
909 eh_context_specific, eh_context_free): New functions.
910 (get_eh_context, eh_context_key): New variables.
911 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
912 get_eh_context to get the context.
913 (longjmp): Move the declaration inside
914 #ifdef DONT_USE_BUILTIN_SETJMP.
915 * frame.c: Include libgcc-thr.h.
916 (object_mutex): Mutex to protect the object list.
917 (find_fde, __register_frame, __register_frame_table,
918 __deregister_frame): Hold the lock while accessing objects.
919 * except.h (get_eh_context): Declare.
920 * except.c (current_function_ehc): Define.
921 (current_function_dhc, current_function_dcc): Removed.
922 (get_eh_context): New function.
923 (get_dynamic_handler_chain): Use get_eh_context.
924 (get_saved_pc_ref): Ditto.
925 (get_dynamic_cleanup_chain): Removed references to
926 current_function_dcc.
927 (save_eh_status, restore_eh_status): Save and restore
928 current_function_ehc instead.
929 * optabs.c (get_eh_context_libfunc): New variable.
930 (init_optabs): Initialize it.
931 * expr.h: Declare get_eh_context_libfunc.
932 * function.h (struct function): Replaced dhc and dcc with ehc.
933 * except.c (get_saved_pc_ref): New functions.
934 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
935 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
937 (end_eh_unwinder): Likewise.
938 (init_eh): Remove initialization of eh_saved_pc.
939 * optabs.c (get_saved_pc_libfunc): New variable.
940 (init_optabs): Initialize it.
941 * expr.h: Declare get_saved_pc_libfunc.
942 * except.h (eh_saved_pc_rtx): Deleted.
943 (get_saved_pc_ref): Declared.
945 From Scott Snyder <snyder@d0sgif.fnal.gov>:
946 * libgcc2.c (__get_saved_pc): New.
947 (__eh_type, __eh_pc): Deleted.
948 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
949 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
952 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
954 * sparc/sol2.h: Use 64 bit multiply and divide functions in
955 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
958 * rtl.h (global_rtl): New variable, replacing separate variables for
960 (const_int_rtx): Now array of rtx_def, not rtx.
961 * emit-rtl.c: Update for new rtl data structures.
962 * genattrtab.c: Define global_rtl.
964 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
966 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
969 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
971 * crtstuff.c (__do_global_ctors): Fix typo.
973 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
975 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
976 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
978 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
980 * rs6000.h (FUNCTION_ARG_PADDING): Define.
981 * rs6000.c (function_arg_padding): New function.
983 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
985 * m68k.c: Include tree.h only once.
987 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
989 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
991 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
993 * Partially cleaned up prototyping code from HJ.
994 * tree.h: Add many prototypes.
995 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
996 All references changed.
997 * rtl.h: Protect from multiple inclusions. Add many prototypes.
999 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
1001 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
1002 string functions like strlen.
1004 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
1006 * configure.in: Check for functions getrlimit and setrlimit.
1007 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
1008 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
1010 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
1012 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
1014 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
1016 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
1019 * alpha.c (override_options): Don't know about scheduling for EV6.
1020 * alpha.md (ev5 function units): Don't overload as ev6.
1022 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
1023 * alpha.md (define_attr type): Add mvi.
1024 (ev5_e0): Define sceduling parameters for it.
1025 (TARGET_MAX insns): Type is mvi not shift.
1027 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
1029 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
1031 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1033 * cstamp-h, auto-config.h: Delete.
1035 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
1037 * version.c: Bump for snapshot.
1039 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
1041 * cccp.c: Fix typo brought over in merge.
1043 * Merge in changes from gcc-2.8.
1045 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
1047 * m68k.c: Include tree.h for dwarf2out_cfi_label.
1049 * gcc.c (process_command): Do not take address of function fatal when
1050 calling lang_specific_driver.
1052 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
1054 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
1055 doesn't work with it yet, so set it to 0.
1056 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
1058 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
1060 * cse.c (cse_insn): Check for invalid entries when taking references.
1062 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1064 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
1065 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
1066 * toplev.c (rest_of_compilation): Pass it. Remove code to
1067 save / clear / restore flag_unroll_{,all_}loops.
1069 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
1071 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
1073 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
1075 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
1077 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
1079 * except.c (get_dynamic_handler_chain): Only make the call once per
1082 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
1084 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1086 * sh.c (final_prescan_insn): Use local label prefix
1087 when emitting .uses pseudo-ops.
1089 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
1091 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
1092 * except.c: Lose outer_context_label_stack.
1093 (expand_eh_region_end): Rethrow from outer_context here.
1094 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
1095 (expand_internal_throw): Take no args.
1096 (expand_internal_throw_indirect): Lose.
1097 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
1098 (expand_start_all_catch): Start a rethrow region.
1099 (expand_end_all_catch): End it.
1100 (expand_rethrow): New fn.
1101 * except.h: Reflect above changes.
1102 * flow.c: Revert change of Nov 27.
1104 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
1106 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
1108 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
1110 * except.c (expand_fixup_region_end): New fn.
1111 (expand_fixup_region_start): Likewise.
1112 (expand_eh_region_start_tree): Store cleanup into finalization here.
1113 * stmt.c (expand_cleanups): Use them to protect fixups.
1115 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
1117 * mips/mips.md (muldi3_r4000): Broaden the output template
1118 and attribute assignments to handle three operand dmult;
1119 rename to muldi3_internal2.
1120 (muldi3): Call the new muldi3_internal2 for R4000, and
1121 any GENERATE_MULT3 chip.
1123 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
1125 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
1127 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
1129 * unroll.c (find_splittable_givs): Remove last change. Handle givs
1130 with a dest_reg that was created by loop.
1132 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
1134 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
1136 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
1138 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
1140 * configure.in: Fix NCR entries.
1142 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
1144 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
1145 nested exceptions correctly.
1147 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
1148 that was created by loop.
1150 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
1152 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
1154 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
1156 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
1158 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
1159 (print_operand): Use SMALL_DATA_REG for the register involved in
1160 small data relocations.
1161 (print_operand_address): Ditto.
1163 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
1164 -dynamic linker is not used.
1166 * rs6000.md (call insns): For local calls, use @local suffix under
1167 System V. Don't use @plt under Solaris.
1169 * rs6000.c (output_function_profiler): Put label address in r0, and
1170 store LR in 4(sp) for System V/eabi.
1172 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
1173 byte boundary, and maintain stack backchain.
1175 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
1177 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
1178 fix_truncsfdi2): Change *.
1180 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
1182 * toplev.c (main): Complain about -gdwarfn.
1184 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
1186 * dwarfout.c (output_type): If finalizing, write out nested types
1187 of types we've already written.
1189 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
1191 (patches originally from Geoffrey Keating)
1192 * rs6000.c (function_arg): Excess floating point arguments don't
1193 go into GPR registers after exhausting FP registers under the
1195 (function_arg_partial_nregs): Ditto.
1197 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
1200 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
1202 * integrate.c (output_inline_function): Just unset DECL_INLINE.
1204 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
1206 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
1209 * libgcc2.c (__throw): Initialize HANDLER.
1211 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
1213 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
1214 fix_truncsfdi2): Change *X to ?*X.
1216 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
1218 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
1220 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
1222 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
1224 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
1226 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
1228 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
1230 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
1231 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
1234 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
1236 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
1237 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
1238 gas and not using the new HP assembler.
1240 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
1242 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
1243 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
1245 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
1247 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
1248 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
1251 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1253 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
1255 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
1257 * except.h: Add outer_context_label_stack.
1258 * except.c: Likewise.
1259 (expand_start_all_catch): Push the outer_context for the try block
1260 onto outer_context_label_stack.
1261 (expand_end_all_catch): Use it and pop it.
1263 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
1265 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
1267 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
1269 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
1271 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
1273 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
1274 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
1276 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
1278 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
1279 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
1280 __builtin_delete, and __builtin_vec_delete.
1282 * except.c (output_exception_table): Don't bother with
1285 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
1287 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
1288 is an in/out operand.
1289 (zero extended variants of stwm/stwm patterns): Similarly.
1291 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
1293 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
1295 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
1297 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
1298 (output_call_frame_info): Emit a \n after using it.
1300 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
1302 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
1304 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
1306 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
1307 (ASM_OUTPUT_DWARF_VALUE4): New macro.
1308 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
1310 (output_call_frame_info): Do not output forward label differences
1311 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
1312 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
1314 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1316 * sh.md (attribute "type"): Add nil.
1317 (movsi_ie): y/y alternative is type nil.
1318 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
1320 (movsf_ie+1): Delete.
1322 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
1324 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
1325 large_int, emit two insns instead of one splitable insn.
1326 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
1327 from cfa_temp_value, use cfa_offset. Add assert checking that
1330 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
1332 * cccp.c (deps_output): Properly quote file names for make.
1334 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
1336 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
1338 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
1340 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
1342 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
1344 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
1346 (cse_end_of_basic_block): Similarly.
1348 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
1350 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
1351 (SELECT_RTX_SECTION): Define.
1352 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
1354 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
1356 * Makefile.in (compare, compare-lean): Define $stage for each
1358 (gnucompare, gnucompare-lean): Likewise.
1360 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
1362 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
1364 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
1365 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
1367 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
1369 * dwarfout.c (byte_size_attribute): Add local var upper_bound
1370 and add case to handle STRING_TYPE.
1371 * dwarfout.c (output_string_type_die): Fix code to generate
1372 correct string length attribute for fixed length strings.
1373 Still needs support for varying length strings.
1375 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
1377 * toplev.c (get_run_time): Do something sensible for cygwin32.
1379 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
1381 * expr.c (expand_builtin_setjmp): Set
1382 current_function_has_nonlocal_label.
1383 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
1384 call-saved registers across calls.
1386 * alpha.md (exception_receiver): Remove.
1387 (nonlocal_goto_receiver_osf): New
1388 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
1389 (nonlocal_goto_receiver): New, select _osf or _vms.
1391 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
1392 keep them from being propogated to the object file.
1393 (alpha_write_linkage): Likewise.
1394 * alpha.md (call_vms): Likewise.
1395 (call_value_vms): Likewise.
1396 (unnamed osf call insns): Likewise.
1398 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
1399 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
1401 * alpha.c (call_operand): Any reg is valid for WinNT.
1402 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
1403 (anon nt calls): Add 'R' alternative.
1404 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
1405 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
1407 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
1409 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
1411 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
1412 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
1413 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
1415 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
1417 * reload1.c (new_spill_reg): Improve fixed or forbidden register
1418 spill error message.
1420 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1422 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
1423 use varargs.h. Wrap header with <>, not "".
1425 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
1427 * integrate.c (save_for_inline_copying): Add return value from
1430 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
1432 * fixincludes: Be a little more restrictive on what we will
1433 substitute to replace definitions of MAXINT for HPUX.
1435 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
1437 * dbxout.c (dbxout_symbol_location): Don't assume that variables
1438 whose address is the stack or argument pointers are indirect
1441 1997-11-13 Paul Eggert <eggert@twinsun.com>
1443 * cccp.c, cpplib.c (compare_defs):
1444 Don't complain about arg name respellings unless pedantic.
1445 * cpplib.c (compare_defs): Accept pfile as new arg.
1446 All callers changed.
1448 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1450 * fold-const.c (fold_truthop): Fix bug in last change.
1452 1997-11-13 Paul Eggert <eggert@twinsun.com>
1454 Fix some confusion with IEEE minus zero.
1456 * real.h (REAL_VALUES_IDENTICAL): New macro.
1458 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
1459 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
1461 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
1462 same tree structure as 0.0.
1464 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
1465 macro instead of doing it by hand.
1467 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
1469 * v850/lib1funcs.asm: Minor whitespace changes.
1470 * v850.c: Fix minor formatting problems in many places.
1471 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
1473 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
1475 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
1476 xplus1 when xplus0 is not a register.
1478 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
1480 * flow.c (find_basic_blocks): During marking phase, if we encounter
1481 an insn with a REG_LABEL note, make the target block live and
1482 create an edge from the insn to the target block. Do not make
1483 edges from all blocks to the target block.
1485 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
1487 * confiugre.in: Tweak NCR entries.
1488 * configure: Rebuilt.
1490 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
1492 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
1493 pick apart floating point values, instead of using CONST_DOUBLE_LOW
1494 and CONST_DOUBLE_HIGH.
1496 * rs6000.md (define_splits for DF constants): Use the appropriate
1497 REAL_VALUE_* interface to pick apart DF floating point constants in
1498 a machine independent fashion.
1500 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1502 * fold-const.c (fold_truthop): When changing a one-bit comparison
1503 against zero into a comparison against mask, do a proper sign
1506 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
1508 * except.c: Do not include "assert.h".
1509 (save_eh_status): Turn asserts into conditional aborts.
1510 (restore_eh_status, scan_region): Likewise.
1511 * dwarfout.c: Do not include "assert.h".
1512 (bit_offset_attribute): Turn asserts into conditional aborts.
1513 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
1514 (output_inlined_structure_type_die): Likewise.
1515 (output_inlined_union_type_die): Likewise
1516 (output_tagged_type_instantiation): Likewise.
1517 (dwarfout_file_scope_decl): Likewise.
1518 * dwarf2out.c: Do not include "assert.h"
1519 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
1520 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
1521 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
1522 (add_bit_size_attribute, scope_die_for): Likewise.
1523 (output_pending_types_for_scope): Likewise.
1524 (get_inlined_enumeration_type_die): Likewise.
1525 (get_inlined_structure_type_die): Likewise.
1526 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
1527 (gen_tagged_type_instantiation_die): Likewise.
1529 * flow.c (find_basic_blocks): Refine further to get a more correct
1530 cfg, especially in the presense of exception handling, computed
1531 gotos, and other non-trivial cases. Call abort if an inaccuracy
1532 is detected in the cfg.
1534 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1536 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
1538 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
1539 (skip_white_space): Use whitespace_cr.
1540 (check_newline): Handle whitespace more consistently.
1542 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
1544 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
1545 * i386/xm-cygwin32.h (POSIX): Define.
1547 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
1549 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
1550 is available elsewhere.
1552 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
1554 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
1555 what the instruction can handle.
1557 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
1559 * stmt.c (expand_decl_cleanup_no_eh): New fn.
1561 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
1563 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
1565 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
1566 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
1568 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
1570 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
1571 swap instruction order.
1573 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
1575 * fixinc.svr4 (__STDC__): Add another case.
1577 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1579 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
1580 addresses in the epilogue delay slot.
1582 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
1584 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
1585 in generated `specs' file.
1587 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
1589 * flags.h (flag_rerun_loop_opt): Declare.
1590 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
1591 * toplev.c (flag_rerum_loop_opt): Delete static.
1593 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1595 Bring over from FSF:
1597 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1599 * va-sh.h (__va_arg_sh1): Define.
1601 SH3E doesn't use any integer registers for subsequent arguments
1602 once a non-float value was passed in the stack.
1603 * sh.c (machine_dependent_reorg): If optimizing, put explicit
1604 alignment in front label for ADDR_DIFF_VEC.
1605 * sh.h (PASS_IN_REG_P): Fix SH3E case.
1606 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
1608 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1610 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
1613 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1615 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
1616 put an use_sfunc_addr before each sfunc.
1617 * sh.md (use_sfunc_addr, dummy_jump): New insns.
1618 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
1620 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1622 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
1624 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
1626 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
1629 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
1631 * alias.c (find_base_value): Only return the known base value for
1634 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
1636 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
1637 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
1639 (prologue_get_pc_and_set_got): New pattern.
1641 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
1643 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
1644 for SUBREG, just fall through.
1646 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
1648 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
1650 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
1652 * fixincludes: Fix "hypot" prototype in NeXT math.h.
1654 * Makefile.in (USE_ALLOCA): Always include alloca.o.
1655 (USE_HOST_ALLOCA): Likewise.
1657 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
1658 and LABEL_REFS fields.
1659 * rtl.h (LABEL_REFS): Update.
1661 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
1663 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
1664 sets i2dest. When calling distribute_notes for i3dest_killed, pass
1665 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
1668 * mips.md (insv, extzv, extv): Add change_address call.
1669 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
1671 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
1673 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
1675 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
1676 save_restore_insns if no FP and GP will be restored.
1678 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
1679 Convert CCmode to word_mode before calling GET_MODE_SIZE.
1681 * acconfig.h (HAVE_INTTYPES_H): Undef.
1682 * configure.in (inttypes.h): Check for conflicts between sys/types.h
1683 and inttypes.h, and verify that intmax_t is defined.
1684 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
1685 * config/mips/x-iris3: Likewise.
1687 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
1689 * alias.c (find_base_value): When copying arguments, return the
1690 tenative value for a hard register.
1692 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
1694 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
1695 (yylex): Record wide strings using target endianness, not host.
1697 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
1699 * mn10200.h (ASM_OUTPUT_BSS): Delete.
1700 (ASM_OUTPUT_ALIGNED_BSS): New macro
1701 * mn10300.h (ASM_OUTPUT_BSS): Delete.
1702 (ASM_OUTPUT_ALIGNED_BSS): New macro.
1703 * v850.h (ASM_OUTPUT_BSS): Delete.
1704 (ASM_OUTPUT_ALIGNED_BSS): New macro.
1706 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1708 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
1710 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
1712 * configure.in (sco5): Use cpio to install header files.
1714 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
1716 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
1718 * configure: Rebuild.
1720 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
1722 * i386/sco5.h: enable -gstabs once again.
1724 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
1726 * arm.c (output_move_double): Allocate 3 entries in otherops array.
1728 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
1730 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
1731 notes for sjlj exceptions too.
1732 (expand_eh_region_end): Similarly for EH_REGION_END notes.
1733 (exception_optimize): Optimize EH regions for sjlj exceptions too.
1734 * final.c (final_scan_insn): Don't output labels for EH REGION
1735 notes if doing sjlj exceptions.
1737 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
1739 * alias.c (init_alias_analysis): Handle -fno-alias-check when
1740 optimizing correctly.
1742 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
1743 or set current_function_calls_setjmp anymore.
1745 * flow.c (find_basic_blocks): If we delete the label for an
1746 exception handler, remove it from the EH label list and remove
1747 the EH_BEGIN/EH_END notes for that EH region.
1749 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
1751 * flow.c (find_basic_blocks): Generate correct flow control
1752 information when exception handling notes are present.
1754 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
1756 * dwarf2out.c (output_call_frame_info): Fix length argument
1757 to ASM_OUTPUT_ASCII.
1758 (output_die, output_pubnames, output_line_info): Likewise.
1760 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
1762 * version.c: Bump for snapshot.
1764 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
1765 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
1766 flag_debug_asm is on.
1767 (output_die, output_pubnames, output_line_info): Likewise.
1769 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
1770 and static_chain_rtx into the potential base values array if
1773 * alias.c (new_reg_base_value): New array of potential base values.
1774 (unique_id): Now file scoped static.
1775 (find_base_value, case REG): Return the value in reg_base_value
1776 array for the REG if it exists. Else, return the value from
1777 new_reg_base_value if copying args and REG is a hard register.
1778 (find_base_value, case PLUS): If either operand of the PLUS is
1779 a REG, try to get its base value. Handle base + index and
1781 (record_set): Use new_reg_base_value instead of reg_base_value.
1782 (init_alias_analysis): Allocate space for new_reg_base_value too.
1783 Rework code to iterate over the insns propagating base value
1784 information until nothing changes.
1786 * global.c (global_alloc): Free the conflict matrix after
1787 reload has finished.
1789 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
1791 * libgcc2.c (L_eh): Define __eh_pc.
1792 Replace __eh_type with generic pointer __eh_info.
1794 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
1796 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
1797 use copy_to_reg if address is not a general_operand.
1799 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1801 * profile.c (output_func_start_profiler): Clear flag_inline_functions
1802 for the duration of the call to rest_of_compilation.
1804 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
1806 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
1808 (sparc*-*-*): Recognize --with-cpu=v9.
1809 * sparc/elf.h: New file.
1810 * sparc/t-elf: New file.
1812 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
1814 * mn10300.c (const_8bit_operand): New function.
1815 (mask_ok_for_mem_btst): New funtion.
1816 * mn10300.md (btst patterns with mem operands): Use new functions
1817 to avoid creating btst instructions with invalid operands.
1819 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
1821 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
1822 are running on PowerPC Linux.
1824 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
1826 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
1827 if not previously defined.
1829 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
1831 * function.c (assign_parms): Correct mode of stack_parm if
1832 entry_parm underwent a mode conversion.
1834 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
1836 * global.c (global_alloc): Use xmalloc instead of alloca for
1837 CONFLICTS, since max_allocno * allocno_row_words alone can be more
1838 than 2.5Mb sometimes.
1840 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
1842 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
1843 DEST for the spill, adjust mode of SRC to compensate.
1845 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
1847 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
1848 since any_memory_operand() allows pseudos during reload.
1849 (reload_inhi, reload_outqi, reload_outhi): Likewise.
1851 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
1853 * m68k.md (btst patterns): Add 5200 support.
1855 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
1857 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
1858 optimizations, look inside dividend to determine if the expression
1859 can be simplified by using EXACT_DIV_EXPR.
1861 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
1864 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
1866 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
1868 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
1870 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
1872 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
1875 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
1877 * alpha.md (movqi, movhi): Make sure new insns created during reload
1878 won't need reloading themselves.
1879 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
1881 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
1883 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
1885 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
1887 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
1888 Patch from Klaus Kaempf <kkaempf@progis.de>.
1890 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
1892 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
1893 to an element in a constant string.
1895 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
1897 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
1898 bit PC-relative offset. The exception range table pointer is now in
1900 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
1901 (count_fdes, add_fdes, get_cie): Adjust.
1902 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
1905 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
1907 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
1909 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
1910 like stack_pointer_rtx.
1912 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
1914 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
1915 targets using "$@" to provide support for similar but not identical
1916 targets without having to duplicate code.
1917 (bootstrap4): New goal.
1919 * Makefile.in (compare, compare-lean, compare3): Combined to one
1920 ruleset determining actions to be performed via $@.
1921 (compare4, compare4-lean): New targets.
1922 (gnucompare, gnucompare3): Combined to one ruleset determining
1923 actions to be performed via $@. Also, note which files failed
1924 the comparison test in .bad_compare.
1925 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
1927 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
1929 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
1930 if the dividend is a multiple of the divisor.
1932 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
1934 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
1936 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
1939 * alias.c (true_dependence): Fix typo.
1941 * toplev.c (flag_rerun_loop_opt): New variable.
1942 (f_options): Handle -frerun-loop-opt.
1943 (rest_of_compilation): If -frerun-loop-opt, then run the loop
1945 (main): Enable -frerun-loop-opt by default for -O2 or greater.
1947 * loop.c (simplify_giv_expr): Adding two invariants results
1950 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
1952 * expr.c (get_inner_reference): Remove the array bias after
1953 converting the index to Pmode.
1955 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
1957 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
1958 (TARGET_MULT_BUG): Define.
1959 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
1960 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
1962 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
1964 * mn10200.c (indirect_memory_operand): Delete unused function.
1965 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
1966 * mn10200.md (bset, bclr insns): Handle output in a reg too.
1968 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
1970 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
1971 the callee's ldgp, we must do it ourselves, and we use the jsr tag
1972 for more than scheduling.
1974 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
1976 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
1978 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
1980 * mn10300.c (symbolic_operand, legitimize_address): New functions.
1981 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
1982 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
1984 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
1986 * version.c: Bump for snapshot.
1988 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1990 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
1993 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
1995 * toplev.c (flag_exceptions): Default value is 2.
1996 (compile_file): If flag_exceptions still has the value 2, then
1999 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
2000 (rs6000_save_machine_status): Save pic_offset_table_rtx.
2001 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
2003 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
2006 * rs6000.md (*movsi_got_internal_mem): New pattern.
2007 (*movsi_got_internal_mem splitter): New define_split.
2009 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
2011 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
2013 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
2015 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
2016 only need to save LR.
2018 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
2020 * mn10300.md (movqi, movhi): Avoid using address registers as
2021 destinations unless absolutely necessary.
2023 * mn10200.c (expand_prologue): Fix typo.
2025 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
2027 * mn10200.md (neghi2): Provide an alternative which works if
2028 the input and output register are the same.
2030 * mn10300.c (print_operand): Handle 'S'.
2031 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
2032 shift amount in last alternative
2034 * mn10300.c (expand_epilogue): Rework to handle register restores
2035 in "ret" and "retf" instructions correctly.
2037 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
2039 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
2040 extzv for memory operands.
2042 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
2043 redundant conditional moves to single operand.
2045 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
2047 * v850.h: Move define of __v850__ from CPP_PREDEFINES
2050 * xm-v850.h: Use __v850 rather than __v850__ to
2053 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
2055 * mips/mips.c (compute_frame_size): Not a leaf function if
2058 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
2060 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
2062 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
2064 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
2065 (DEFAULT_ARCH32_P): New macro.
2066 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
2067 (enum cmodel): Declare.
2068 (sparc_cmodel_string,sparc_cmodel): Declare.
2069 (SPARC_DEFAULT_CMODEL): Provide default.
2070 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
2071 (TARGET_FULLANY): Deleted.
2072 (TARGET_CM_MEDMID): New macro.
2073 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
2074 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
2075 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
2076 (CPP_SPEC): Rewrite.
2077 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
2078 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
2079 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
2080 (ASM_SPEC): Add %(asm_arch).
2081 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
2082 Rename asm_default to asm_cpu_default.
2083 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
2084 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
2085 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
2086 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
2087 (MASK_INT64,MASK_LONG64): Delete.
2088 (MASK_ARCH64): Renamed to MASK_64BIT.
2089 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
2090 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
2091 (TARGET_SWITCHES): Always provide 64 bit options.
2092 (ARCH64_SWITCHES): Delete.
2093 (TARGET_OPTIONS): New option -mcmodel=.
2094 (INT_TYPE_SIZE): Always 32.
2095 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
2096 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
2097 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
2098 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
2099 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
2101 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2102 * sparc/linux.h: Likewise.
2103 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
2104 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
2105 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
2106 (SPARC_DEFAULT_CMODEL): Define.
2107 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
2108 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2109 (LONG_DOUBLE_TYPE_SIZE): Define.
2110 (ASM_SPEC): Add %(asm_arch).
2111 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
2112 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2113 (TARGET_CPU_DEFAULT): Add ultrasparc case.
2114 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
2115 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
2116 (SPARC_DEFAULT_CMODEL): Define.
2117 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
2118 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
2119 MASK_LONG64, MASK_MEDANY.
2120 (SPARC_DEFAULT_CMODEL): Define.
2121 (CPP_PREDEFINES): Delete.
2122 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2123 (ASM_SPEC): Add %(asm_arch).
2124 (LONG_DOUBLE_TYPE_SIZE): Define.
2125 (DWARF2_DEBUGGING_INFO): Define.
2126 * sparc/splet.h (CPP_SPEC): Delete.
2127 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
2128 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
2129 (BLOCK_PROFILER): Likewise.
2130 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
2131 (sparc_override_options): Handle code model selection.
2132 (sparc_init_expanders): Renamed from sparc64_init_expanders.
2133 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
2134 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
2135 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
2136 (sethi_di_fullany): Delete.
2138 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
2139 Jeff Law <law@cygnus.com>
2140 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2142 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
2143 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
2144 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
2145 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
2146 * alpha/alpha.md (arg_home): Likewise.
2148 * alpha/alpha.c (vmskrunch): Delete
2149 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
2150 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
2151 truncate to 64 characters.
2153 * make-l2.com: Support openVMS/Alpha.
2155 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
2157 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2159 * longlong.h (count_leading_zeros): Add missing casts to USItype.
2161 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
2163 * i386/bsd386.h (ASM_COMMENT_START): Define.
2165 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
2167 * tree.c (restore_tree_status): Also free up temporary storage
2168 when we finish a toplevel function.
2169 (dump_tree_statistics): Print stats for backend obstacks.
2171 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
2173 * expr.c (use_group_regs): Don't call use_reg for MEMs.
2175 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
2177 * libgcc2.c (__throw): Don't copy the return address.
2178 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
2180 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
2181 * toplev.c (main): Initialize exceptions_via_longjmp.
2183 * tree.c: Add extra_inline_obstacks.
2184 (save_tree_status): Use it.
2185 (restore_tree_status): If this is a toplevel inline obstack and we
2186 didn't want to save anything on it, recycle it.
2187 (print_inline_obstack_statistics): New fn.
2188 * function.c (pop_function_context_from): Pass context to
2189 restore_tree_status.
2190 * obstack.h (obstack_empty_p): New macro.
2192 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
2194 * i386/freebsd.h (ASM_COMMENT_START): Fix.
2196 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
2198 * v850.c (ep_memory_offset): New function.
2199 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
2201 * v850.h (CONST_OK_FOR_*): Add and correct comments.
2202 (CONSTANT_ADDRESS_P): Add comment.
2203 (EXTRA_CONSTRAINT): Define 'U'.
2204 * v850.md: Add comments on bit field instructions.
2205 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
2206 (lshrsi3): Use N not J constraint.
2208 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
2210 * v850.c (reg_or_0_operand): Call register_operand.
2211 (reg_or_int5_operand): Likewise.
2212 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
2213 (TARGET_SWITCHES): Add "big-switch".
2214 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
2215 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
2216 (CASE_DROPS_THROUGH): Comment out.
2217 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
2218 * v850.md (cmpsi): Delete compare mode.
2219 (casesi): New pattern.
2221 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
2222 * v850.md (ashlsi3): Use SImode not QImode for shift count.
2223 (lshrsi3): Likewise.
2225 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
2226 unreachable switch statement after 'b' support. Remove "b" from
2227 strings for 'b' support.
2228 * v850.md (branch_normal, branch_invert): Change %b to b%b.
2230 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
2232 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
2233 empty line if @inhibit_libc@ is empty.
2235 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
2237 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
2238 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
2239 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
2240 (DWARF2_UNWIND_INFO): Let this track object file format.
2241 (EXTRA_SECTIONS): Add in_eh.
2242 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
2243 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
2245 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
2247 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
2248 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
2250 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
2251 (output_double_int): Output DI mode values correctly when
2252 HOST_BITS_PER_WIDE_INT is 64.
2253 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
2254 fmovd so it works if a quad float ends up in one of the upper 32
2256 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
2257 necessary for PIC support on sparc64.
2259 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
2261 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
2262 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
2263 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
2264 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
2265 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
2266 (SPARC_FP_ARG_FIRST): New macro.
2267 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
2268 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
2269 (NPARM_REGS): There are 32 fp argument registers now.
2270 (FUNCTION_ARG_REGNO_P): Likewise.
2271 (FIRST_PARM_OFFSET): Update to new v9 abi.
2272 (REG_PARM_STACK_SPACE): Define for arch64.
2273 (enum sparc_arg_class): Delete.
2274 (sparc_arg_count,sparc_n_named_args): Delete.
2275 (struct sparc_args): Redefine and use for arch32 as well as arch64.
2276 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
2277 (FUNCTION_ARG_ADVANCE): Rewrite.
2278 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
2279 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
2280 (FUNCTION_ARG_CALLEE_COPIES): Delete.
2281 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
2282 (STRICT_ARGUMENT_NAMING): Define.
2283 (doublemove_string): Declare.
2284 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
2285 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
2286 (doublemove_string): New function.
2287 (output_move_quad): Clean up some of the arch64 support.
2288 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
2289 Don't add 8 bytes of reserved space if arch64.
2290 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
2291 (init_cumulative_args): New function.
2292 (function_arg_slotno): New static function.
2293 (function_arg,function_arg_partial_nregs): New functions.
2294 (function_arg_{pass_by_reference,advance}): New functions.
2295 (function_arg_padding): New function.
2296 * ginclude/va-sparc.h: Rewrite v9 support.
2298 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
2300 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
2301 for hard regs to determine base and index registers.
2303 * reload.c (debug_reload_to_stream): New function. Specify stream
2304 into which to write debug info.
2305 (debug_reload): Modify to call debug_reload_to_stream with stderr.
2307 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
2309 * combine.c (can_combine_p): Don't combine with an asm whose
2310 output is a hard register.
2312 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
2314 * c-decl.c (start_struct): Ensure that structs with forward
2315 declarations are in fact packed when -fpack-struct is given.
2317 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
2318 we are packing a structure. This allows a structure with only
2319 bytes to be aligned on a byte boundary and have no padding on a
2322 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2324 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
2326 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
2328 * alpha.c (alpha_return_addr_rtx): New variable.
2329 (alpha_save_machine_status): New; save it.
2330 (alpha_restore_machine_status): New; restore it.
2331 (alpha_init_expanders): New; clear it.
2332 (alpha_return_addr): New; set it.
2333 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
2334 is overly conservative, so search the insns explicitly.
2335 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
2336 (alpha_sa_size [VMS && !VMS]): Likewise.
2337 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
2338 (INIT_EXPANDERS): New definition.
2340 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
2341 (output_prolog [!VMS]): Use them.
2343 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
2344 (alpha_does_function_need_gp): ... a new function. Refine the
2345 CALL_INSN test to just TYPE_JSR.
2346 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
2348 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
2350 * version.c: Bump for snapshot.
2352 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2354 * pa.c (move_operand): Respect -mdisable-indexing.
2355 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
2357 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
2359 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
2361 (umulsidi3,umulsi3_highpart): Ditto.
2362 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
2364 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
2366 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
2367 (alpha_handle_trap_shadows): ... a new function. Handle the entire
2368 function in one go. Emit RTL for trapb, instead of printf directly.
2369 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
2370 (trap_pending): Kill global variable.
2371 (output_epilog): Don't call final_prescan_insn.
2372 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
2373 * alpha.h (FINAL_PRESCAN_INSN): Remove.
2374 (MACHINE_DEPENENT_REORG): Define.
2375 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
2378 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
2380 Tune Haifa scheduler for Alpha:
2381 * alpha.h (ISSUE_RATE): Define.
2382 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
2383 EV4 adjustments to EV5.
2384 * alpha.md: Remove all scaling from function unit delays. Rework
2385 EV5 function units to match the CPU.
2386 (umuldi3_highpart): EV5 added the IMULH insn class.
2388 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
2390 * pa.c (following_call): Fail if the CALL_INSN is an indirect
2393 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
2395 * cplus-dem.c (demangle_signature): Don't look for return types on
2396 constructors. Handle member template constructors.
2398 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
2400 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
2401 * tree.h: Declare them.
2403 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
2405 * configure.in: Handle --with-newlib.
2406 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
2408 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
2410 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
2412 * config/ptx4.h: Fix typo.
2414 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
2416 * version.c: Bump for snapshot.
2418 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
2420 * aclocal.m4: Substitute INSTALL.
2421 * configure: Re-built.
2423 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
2425 * integrate.c (save_for_inline_copying): Avoid undefined pointer
2427 (expand_inline_function): Likewise.
2429 * dwarf2out.c (output_call_frame_info): Reinstate last change
2430 using flag_debug_asm check instead of flag_verbose_asm.
2432 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
2434 * dwarf2out.c (output_call_frame_info): Remove last change.
2436 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2438 * frame.c (__frame_state_for): Execute the FDE insns until the
2439 current pc value is strictly bigger than the target pc value.
2441 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
2443 * regclass.c (init_reg_modes): If we can't find a mode for the
2444 register, use the previous one.
2446 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
2448 * haifa-sched.c (print_block_visualization): Call fprintf directly,
2449 don't sprintf through an alloca'ed buffer.
2451 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
2453 * reload.c (decompose): Always initialize val.base.
2455 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
2457 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
2458 instead of aborting.
2459 * dwarf2out.c (output_call_frame_info): Call app_enable and
2460 app_disable to let GNU as accept the generated comments.
2462 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
2464 * tree.h (get_file_function_name): Add declaration.
2465 * dwarf2out.c (output_call_frame_info): No need to cast
2466 get_file_function_name call anymore.
2467 * profile.c (toplevel): Remove get_file_function_name
2469 * c-lang.c (finish_file): Ditto.
2471 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
2473 * Makefile.in (program_transform_name): Let autoconf substitute
2476 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
2478 * haifa-sched.c (schedule_block): If the first real insn in a
2479 block has any special notes attached to it, remove them.
2481 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
2483 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
2485 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
2487 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
2489 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
2491 * Makefile.in (check-g77): New test target.
2492 (CHECK-TARGETS): Add check-g77.
2494 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
2496 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
2498 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
2500 * flow.c (print_rtl_with_bb): Cast alloca return value for
2503 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
2505 * i386.h (RETURN_ADDR_RTX): New definition that works for
2506 __builtin_return_address(0) and -fomit-frame-pointer.
2508 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
2510 Bring over from FSF.
2511 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
2513 * mips.c (function_arg): Handle passing a struct
2514 containing a double in a DFmode register without the PARALLEL.
2516 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
2518 * pexecute.c: Use spawn if __CYGWIN32__.
2520 * pexecute.c: Include "config.h" first, as per autoconf manual
2521 (from Paul Eggert <eggert@twinsun.com>).
2523 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
2525 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
2526 optimisation for f/expr.o and f/stb.o.
2528 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
2530 * cse.c (this_insn_cc0_mode): Initialize.
2532 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
2534 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
2536 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
2538 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
2540 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
2541 that pair will dual-issue on the 21164 and plus+beq won't.
2542 (bne): Likewise for cmpeq+beq.
2544 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
2546 * except.c (find_exception_handler_labels): Correct argument to free.
2548 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
2550 * except.c (find_exception_handler_labels): Free LABELS when we're
2553 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
2555 * version.c: Bump for snapshot.
2557 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
2559 * flow.c (find_basic_blocks): Mark calls as potentially jumping
2562 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
2564 * configure.in: Substitute for "install" too.
2565 * configure: Rebuilt.
2567 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
2569 * Makefile.in (bootstrap-lean, compare-lean): New targets.
2571 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
2573 * alias.c (base_alias_check): Two symbols can conflict if they
2574 are accessed via AND.
2575 (memrefs_conflict_p): Likewise.
2577 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
2578 after flushing argument registers to the stack.
2580 * Makefile.in (mostlyclean): Remove .regmove files.
2582 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
2584 * libgcc2.c (__throw): Fix thinko.
2586 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
2588 * cplus-dem.c (demangle_template): Add new parameter. Handle new
2589 template-function mangling.
2590 (consume_count_with_underscores): New function.
2591 (demangle_signature): Handle new name-mangling scheme.
2593 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
2595 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
2598 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
2600 * frame.c: Remove last change.
2601 * dwarf2.h: Remove last change.
2602 * tree.h: Add declarations of DWARF2 unwind info support
2605 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
2607 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
2608 * tree.h (built_in_function): Likewise.
2609 * expr.c (expand_builtin): Likewise.
2610 * except.h: Likewise.
2611 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
2612 * libgcc2.c (copy_reg): New fn.
2615 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
2617 * c-typeck.c (build_binary_op): Warn about comparing signed vs
2618 unsigned if -W is specified and -Wno-sign-compare is not.
2619 * c-decl.c (warn_sign_compare): Initialize to -1.
2620 (c_decode_option): -Wall no longer implies -Wsign-compare.
2622 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2624 * frame.c: Include gansidecl.h for PROTO.
2625 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
2626 defined. Don't declare dwarf2out_cfi_label here.
2627 * dwarf2.h: Add declarations of DWARF2 unwind info support
2629 * m68k.c: Include dwarf2.h.
2630 (output_function_prologue): Add dwarf2 support.
2631 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
2632 (INCOMING_FRAME_SP_OFFSET): Likewise.
2634 * integrate.c (expand_inline_function): Make sure there is at
2635 least one insn that can be used as an insertion point.
2637 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
2639 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
2641 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
2643 * version.c: Bump for snapshot.
2645 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
2647 Bring over from FSF.
2649 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
2651 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
2652 (get_pc_via_rdpc): Renamed from get_pc_sp64.
2653 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
2655 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
2657 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
2658 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
2660 (sparc_align_{loops,jumps,funcs}_string): Declare.
2661 (sparc_align_{loops,jumps,funcs}): Declare.
2662 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
2663 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
2664 (STACK_BIAS): Define.
2665 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
2667 (SPARC_SETHI_P): New macro.
2668 (CONST_OK_FOR_LETTER_P): Use it.
2669 (ASM_OUTPUT_ALIGN_CODE): Define.
2670 (ASM_OUTPUT_LOOP_ALIGN): Define.
2671 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
2672 (sparc_align_{loops,jumps,funcs}): New globals.
2673 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
2675 (move_operand): Use SPARC_SETHI_P.
2676 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
2678 (arith11_double_operand): Likewise.
2679 (arith10_double_operand): Likewise.
2680 (finalize_pic): Finish sparc64 support.
2681 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
2682 64 bit constants if able.
2683 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
2684 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
2686 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
2687 (get_pc_sp32): Use for sparc64 as well.
2688 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
2689 (sethi_di_sp64_const): Likewise.
2690 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
2691 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
2692 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
2694 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
2696 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
2697 * sparc/linux.h (COMMENT_BEGIN): Likewise.
2698 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
2700 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
2702 Add sparc64 linux support.
2703 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
2704 to xm_file list on 32-bit sparc-linux.
2705 * sparc/xm-sp64.h: New file.
2706 * sparc/linux64.h: New file.
2707 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
2708 Don't include xm-sparc.h.
2709 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
2710 * glimits.h (LONG_MAX): Handle sparc64.
2712 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
2714 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
2715 * sparc.h (ASM_COMMENT_START): Define.
2716 * sparc.c (output_function_prologue): Use it.
2717 (sparc_flat_output_function_{epi,pro}logue): Likewise.
2719 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
2721 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
2722 use sparc.h's copies.
2723 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
2726 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2728 * sparc.c (dwarf2out_cfi_label): Add declaration.
2729 (save_regs, output_function_prologue): Remove cast for it.
2730 (sparc_flat_{save_restore,output_function_prologue): Likewise.
2731 ({save,restore}_regs): No longer inline.
2733 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2735 * fold-const.c (make_range): Correctly handle cases of converting
2736 from unsigned to signed type.
2738 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2740 * fold-const.c (merge_ranges): Make sure that if one range is subset
2741 of another, it will always be the second range. Correct (+,-) case to
2744 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
2746 * final.c (final_end_function): Also do dwarf2 thing if
2747 DWARF2_DEBUGGING_INFO.
2748 (final_start_function): Likewise.
2750 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
2752 * expmed.c (expand_divmod): If compute_mode is not the same as
2753 mode, handle the case where convert_modes() causes op1 to no
2754 longer be a CONST_INT.
2756 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
2757 note holding get_jump_flags() calculation to all JUMP_INSNs.
2758 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
2759 * rtl.c (reg_note_name): Add new note types.
2761 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
2763 * rtlanal.c (computed_jump_p): Fix typo in last change.
2765 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2767 * loop.c (indirect_jump_in_function_p): Return 0
2770 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
2772 * rs6000/xm-rs6000.h: Fix thinko in last change.
2773 * rs6000/xm-sysv4.h: Likewise.
2775 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
2777 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
2779 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
2781 * reg-stack.c (find_blocks): Fix thinko in last change.
2783 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2785 * m68k.c (output_function_prologue): Add dwarf2 support.
2787 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
2788 INCOMING_FRAME_SP_OFFSET): New definitions.
2790 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
2792 * combine.c (try_combine): Use NULL_RTX instead of '0' where
2793 appropriate in calls to gen_rtx().
2794 * cse.c (cse_main): Likewise.
2795 * emit-rtl.c (gen_label_rtx): Likewise.
2796 * expr.c (init_expr_once): Likewise.
2797 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
2798 sched_analyze, init_rgn_data_dependences,
2799 compute_block_backward_dependences): Likewise.
2800 * sched.c (schedule_insns): Likewise.
2801 * varasm.c (immed_double_const): Likewise.
2803 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
2804 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
2806 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
2808 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
2809 (MULTILIB_DEFAULTS): Define.
2810 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
2811 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
2812 (LIBGCC_SPEC): Likewise.
2813 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
2814 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
2815 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
2816 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
2817 (EXTRA_PARTS, TAROUTOPTS): Delete.
2818 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
2819 (MULTILIB_OPTIONS): Define.
2820 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
2821 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
2823 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
2825 * version.c: Bump for snapshot.
2827 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
2829 * loop.c (loop_number): Delete function. Change all references
2830 to use uid_loop_num array.
2831 * loop.h (loop_number): Delete declaration.
2832 * unroll.c (unroll_loop): Change "loop_number" references to
2833 use uid_loop_num instead.
2835 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
2837 (loop_unroll_iter): Remove unused variable and all references.
2838 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
2839 (insert_bct): Fix minor formatting problems.
2840 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
2841 (loop_unroll_iter): Removed unused decl.
2842 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
2843 Always record the unrolling factor.
2845 * cse.c (simplify_relational_operation): Set h0u just like h0s.
2846 Similarly for h1u and h1s.
2848 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
2849 (find_basic_blocks): Use computed_jump_p to determine if a
2850 particular JUMP_INSN is a computed jump.
2851 * reg-stack.c (find_blocks): Use computed_jump_p to determine
2852 if a particular JUMP_INSN is a computed jump.
2853 * rtlanal.c (jmp_uses_reg_or_mem): New function.
2854 (computed_jump_p): Likewise.
2855 * rtl.h (computed_jump_p): Declare.
2856 * genattrtab.c (pc_rtx): Define and initialize.
2857 * loop.c (loop_optimize): Always determine if the current
2858 function has a computed jump.
2859 (indirect_jump_in_function_p): Use computed_jump_p to determine
2860 if a particular JUMP_INSN is a computed jump.
2862 * loop.c (fix_bct_param): Delete unused function.
2863 (check_bct_param): Likewise.
2865 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
2867 * frame.c (__deregister_frame): Check properly for initialized object.
2869 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2871 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
2873 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2875 * jump.c (thread_jumps): check can_reverse_comparison_p before
2876 threading a reversed-condition jump.
2878 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
2879 * haifa-sched.c (update_flow_info): Likewise.
2881 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
2883 * Makefile.in (BOOT_CFLAGS): Use -O2.
2885 * configure.in (strtoul, bsearch): Have autoconf check for these
2887 * configure, config.in: Rebuilt.
2889 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
2890 * mips/mips.h (alloca): Likewise.
2891 * rs6000/xm-rs6000.h (alloca): Likewise.
2892 * rs6000/xm-sysv4.h: Likewise.
2894 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
2896 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
2897 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
2898 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
2900 * except.c (end_eh_unwinder): Subtract 1 from return address.
2901 * libgcc2.c (__throw): Likewise.
2902 (find_exception_handler): Don't change PC here. Compare end with >.
2904 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
2906 * v850.c (compute_register_save_size): Correct register
2908 * v850.md (save_interrupt, return_interrupt): Correct
2910 * v850/lib1funcs.asm (save_interrupt): Correct register number.
2911 (return_interrupt): Use stack pointer, not element pointer.
2913 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
2915 * configure.in, configure: Make sure to create the stage* and include
2916 symbolic links in each subdirectory.
2918 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
2920 * pa.md (reload_peepholes): Don't allow addresses with side
2921 effects for the memory operand.
2923 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
2925 * libgcc2.c (find_exception_handler): Subtract one from our PC when
2926 looking for a handler, to avoid hitting the beginning of the next
2929 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
2931 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
2933 * mips/abi64.h (LONG_MAX_SPEC): Define.
2934 * mips.h (LONG_MAX_SPEC): Define.
2935 (CPP_SPEC): Include long_max_spec.
2936 (EXTRA_SPECS): Include long_max_spec.
2938 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
2940 * v850.c (construct_save_jarl): Fix thinko in last change.
2942 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
2944 * version.c: Bump for snapshot.
2946 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
2948 * libgcc2.c (find_exception_handler): Not found is -1.
2950 * integrate.c (expand_inline_function): Move expand_start_bindings
2951 after expanding the arguments.
2953 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
2955 * expr.c (expand_expr): Remove previous incorrect change.
2956 If target and slot has no DECL_RTL, then call mark_addressable
2957 again for the slot after we give it RTL.
2959 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
2961 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
2962 again for the slot after we give it RTL.
2964 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
2966 * v850.c (register_is_ok_for_epilogue,
2967 pattern_is_ok_for_epilogue, construct_restore_jr,
2968 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
2970 * v850.h (pattern_is_ok_for_prologue,
2971 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
2974 * v850.md: Replace prologue and epilogue patterns with a
2975 match_parallel pattern.
2977 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
2979 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
2980 * configure.in: Use EGCS_PROG_INSTALL.
2982 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
2984 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
2985 extern inline function.
2987 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
2989 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
2990 (concat_loc_descriptor): New function.
2991 (loc_descriptor): Call it.
2992 (add_AT_location_description): Also elide the descriptor if both
2993 halves of a CONCAT are pseudos.
2994 (add_location_or_const_value_attribute): Recognize CONCAT too.
2996 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
2998 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
3000 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
3001 out-or-range reg_offset.
3002 (output_epilog): Likewise.
3004 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
3006 * cse.c (simplify_relational_operation): If MODE specifies a
3007 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
3008 is derived from the sign bit of the low word.
3010 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
3012 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
3014 * dwarf2.h: Add DW_CFA_GNU_args_size.
3015 * frame.c (execute_cfa_insn): Likewise.
3016 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
3017 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
3018 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
3019 insn, hand it off to dwarf2out_stack_adjust.
3020 (dwarf2out_begin_prologue): Initialize args_size.
3021 * frame.h (struct frame_state): Add args_size.
3022 * libgcc2.c (__throw): Use args_size.
3023 * final.c (final_scan_insn): If we push args, hand off all insns
3024 to dwarf2out_frame_debug.
3025 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
3027 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
3028 Handle epilogue restore of SP from FP.
3029 * emit-rtl.c (gen_sequence): Still generate a sequence if the
3030 lone insn has RTX_FRAME_RELATED_P set.
3032 * frame.c (extract_cie_info): Handle "e" augmentation.
3033 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
3034 absence of UNALIGNED_*_ASM_OP.
3035 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
3036 (output_call_frame_info): Use "e" instead of "z" for augmentation.
3037 Don't emit augmentation fields length.
3038 (dwarf2out_do_frame): Move outside of #ifdefs.
3039 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
3042 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
3043 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
3044 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
3045 * sparc/sun4gas.h: New file.
3046 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
3048 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
3049 __register_frame_table and __deregister_frame.
3051 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
3053 * except.c (find_exception_handler_labels): Use xmalloc instead of
3054 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
3057 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
3059 * Makefile.in: Various changes to build info files
3060 in the object tree rather than the source tree.
3062 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
3064 * fixinc.math: New file to fix math.h on some systems.
3065 * configure.in (freebsd, netbsd): Use fixinc.math on these
3067 * configure: Rebuilt.
3069 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
3071 * regmove.c (regmove_optimize): If we end up moving the
3072 original insn due to lifetime overlaps, make sure to move
3075 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
3077 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
3079 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
3081 * haifa-sched.c (add_branch_dependences): Make each insn in
3082 a SCHED_GROUP_P block explicitly depend on the previous insn.
3084 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
3086 * except.h: Prototype dwarf2 hooks.
3089 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
3091 * configure.in (native_prefix): Delete.
3092 (mips-dec-netbsd): Don't set prefix.
3093 (*linux*): Don't set prefix.
3095 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
3097 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
3098 defined. If not defined, include <sys/varargs.h> if
3099 HAVE_SYS_VARARGS_H is defined.
3100 * configure.in: Test for varargs.h and sys/varargs.h.
3101 * configure: Regenerate with autoconf.
3102 * config.in: Regenerate with autoheader.
3104 * cpplib.c (quote_string): Cast first arg of sprintf call
3105 from "unsigned char *" to "char *".
3106 (output_line_command): Ditto.
3107 (macroexpand): Ditto.
3108 (do_line): Cast atoi arg from "unsigned char *" to "char *".
3110 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
3112 * version.c: Bump for snapshot.
3114 * Makefile.in (compare): Exit with nonzero status if there
3115 are comparison failures. Note which files failed the
3116 comparison test in .bad_compare.
3118 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3120 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
3122 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
3124 * Makefile.in (LN, LN_S): New macros, use where appropriate.
3125 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
3126 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
3127 * configure: Regenerated.
3129 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
3131 * loop.c (strength_reduce): Fix typo.
3133 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
3135 * m88k/m88k.c (struct option): Rename to struct options.
3136 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
3137 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
3138 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
3139 __DOLPHIN__ or sysV88.
3141 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
3143 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
3146 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
3148 * config.sub: Accept 'amigados' for backward compatability.
3150 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3152 * Makefile.in (testsuite/site.exp): New target.
3153 (check-gcc, check-g++): Depend on testsuite/site.exp.
3154 Don't stop for failure.
3156 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
3158 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
3159 if DWARF2_UNWIND_INFO.
3161 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
3163 Add support for exception handling using DWARF 2 frame unwind info.
3164 Currently works on SPARC and MIPS, and almost on x86.
3166 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
3167 next_stack_level, in_reg_window): Helper fns.
3168 (__throw): Implement for DWARF2_UNWIND_INFO.
3170 * expr.c (expand_builtin): Handle builtins used by __throw.
3171 * tree.h (enum built_in_function): Add builtins used by __throw.
3172 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
3173 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
3174 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
3175 (expand_builtin_extract_return_addr): Likewise.
3176 (expand_builtin_frob_return_addr): Likewise.
3177 (expand_builtin_set_return_addr_reg): Likewise.
3178 (expand_builtin_eh_stub): Likewise.
3179 (expand_builtin_set_eh_regs): Likewise.
3180 (eh_regs): Choose two call-clobbered registers for passing back values.
3182 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
3183 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
3184 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
3185 (stmp-multilib): Likewise.
3186 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
3188 * except.c: #include "defaults.h".
3189 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
3190 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
3191 (register_exception_table_p): New fn.
3192 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
3193 (end_eh_unwinder): Likewise.
3195 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
3196 call __register_frame and __deregister_frame as needed.
3197 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
3198 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
3199 EH_FRAME_SECTION_ASM_OP.
3200 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
3201 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
3202 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
3204 * dwarf2out.c (output_call_frame_info): If no support for
3205 EXCEPTION_SECTION, mark the start of the frame info with a
3207 * collect2.c (frame_tables): New list.
3208 (is_ctor_dtor): Recognise frame entries.
3209 (scan_prog_file): Likewise.
3210 (main): Pass -fno-exceptions to sub-compile. Also do collection
3211 if there are any frame entries.
3212 (write_c_file_stat): Call __register_frame_table and
3213 __deregister_frame as needed.
3214 (write_c_file_glob): Likewise.
3216 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
3217 Also require unaligned reloc support.
3218 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3219 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
3220 * sparc/sysv4.h: Not here.
3222 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
3223 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
3224 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
3226 * libgcc2.c (L_eh): Reorganize, moving code shared by different
3227 EH implementations to the top.
3228 (find_exception_handler): Split out. Start from 0. Compare against
3230 (__find_first_exception_table_match): Use it.
3231 * except.c (output_exception_table): Don't do anything if there's
3232 no table. Don't output a first entry of zeroes.
3233 (eh_outer_context): Adjust properly.
3234 (add_eh_table_entry): Use xrealloc.
3235 * toplev.c (compile_file): Just call output_exception_table.
3237 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
3239 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
3241 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
3243 * except.c (eh_outer_context): Do masking using expand_and.
3245 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
3247 Add port done awhile ago for the ARC cpu.
3248 * arc/arc.h: New file.
3249 * arc/arc.c: New file.
3250 * arc/arc.md: New file.
3251 * arc/initfini.c: New file.
3252 * arc/lib1funcs.asm: New file.
3253 * arc/t-arc: New file.
3254 * arc/xm-arc.h: New file.
3255 * ginclude/va-arc.h: New file.
3256 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
3257 * ginclude/varargs.h: Likewise.
3258 * Makefile.in (USER_H): Add va-arc.h.
3259 * configure.in (arc-*-elf*): Recognize.
3260 * longlong.h: Add ARC support.
3262 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
3264 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
3265 when clearing non-BLKmode data.
3267 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
3269 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
3270 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
3272 * xm-m88k.h (USG): Only define if it hasn't already been defined.
3274 * Makefile.in (risky-stage1): Delete gratutious whitespace.
3276 * Makefile.in (clean): Delete libgcc1-test.
3278 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
3280 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
3282 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
3285 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3287 * dwarf2out.c (output_call_frame_info): Call named_section.
3289 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
3291 * haifa-sched.c (print_value): Fix last change.
3293 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
3295 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
3298 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
3300 * mips.c (function_prologue): Set up the CFA when ABI_32.
3302 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
3303 for dwarf2 unwind info.
3304 (output_function_prologue, sparc_flat_output_function_prologue): Same.
3306 * final.c (final_end_function): Check dwarf2out_do_frame instead
3307 of DWARF2_DEBUG for dwarf2 unwind info.
3308 (final_scan_insn): Likewise.
3309 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
3312 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
3315 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
3317 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
3319 * v850.h (ASM_SPEC): Pass on target processor.
3320 (CPP_PREDEFINES): Only define if not already specified.
3321 (TARGET_VERSION): Only define if not already specified.
3322 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
3324 (EXTRA_SWITCHES): Extra entries in the switches array.
3325 (TARGET_DEFAULT): Set default target processor.
3327 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
3329 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
3330 cases, add %# and %/, and add : to make them into extended asms.
3332 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
3334 * alias.c (init_alias_analysis): Clean up incompatible pointer
3335 type warning in bzero.
3336 * regmove.c (regmove_optimize): Ditto.
3337 * haifa-sched.c (find_rgns): Ditto.
3339 * haifa-sched.c (print_value): Clean up ptr->int cast
3342 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
3344 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
3345 * install.texi (Configurations): Ditto.
3346 * config.sub: Ditto.
3348 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
3350 * Makefile.in (sdbout.o): Depend on insn-config.h.
3352 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
3354 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
3355 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
3357 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
3359 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
3360 prologue insn, only the first elt is significant.
3361 (output_call_frame_info): For exception handling, always use 4-byte
3362 fields as specified by the dwarf2 spec.
3363 Don't skip trivial FDEs.
3365 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
3367 * version.c: Bump for snapshot.
3369 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
3371 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
3372 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
3375 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
3377 * final.c (shorten_branches): During first pass, assume worst
3378 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
3380 * Makefile.in (distclean): Remove various things left around
3381 by running the testsuite.
3383 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
3385 * configure.in (out_file): Emit definition to config.status in order
3386 to have a defined value for configure.lang.
3387 * configure: Re-built.
3389 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
3391 * configure.in: Make symlink to as-new rather than as.new. Similarly
3393 * configure: Rebuilt.
3395 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
3397 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
3399 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
3401 * sparc/sparc.md: Add ultrasparc scheduling support.
3402 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
3404 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
3406 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
3407 as initial value for real_label_map.
3408 (copy_for_inline): Likewise.
3410 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3412 * sched.c (update_flow_info) When looking if to set found_split_dest
3413 or found_orig_dest, look at all parts of a PARALLEL.
3414 * haifa-sched.c (update_flow_info): Likewise.
3416 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
3418 * v850: New directory for v850 port.
3419 * v850/lib1funcs.asm: New file.
3420 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
3421 * ginclude/va-v850.h: New file.
3422 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
3423 * configure.in (mn10200-*-*): New target.
3424 * configure: Rebuilt.
3425 * config.sub: Handle v850-elf.
3426 * Makefile.in (USER_H): Add va-mn10200.h.
3427 * invoke.texi: Document v850 stuff.
3429 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
3431 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
3432 has integer TYPE_{MAX,MIN}_VALUE before using them.
3434 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
3435 __HPUX_ASM__ versions.
3437 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
3439 * install.sh: Delete duplicate install script.
3441 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
3443 * reg-stack.c (subst_stack_regs): Pop the stack register for a
3444 computed goto which sets the same stack register.
3446 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
3447 destination are both on the regstack.
3448 (subst_stack_regs_pat): Put the destination at the top of the regstack.
3450 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
3452 * mips.md (nonlocal_goto_receiver): Define.
3454 * profile.c (output_arc_profiler): Check next_insert_after for non
3455 NULL before deferencing it.
3457 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
3459 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
3461 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
3463 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
3465 * toplev.c (rest_of_compilation): For passes starting with
3466 flow_analysis, use print_rtl_with_bb instead of print_rtl.
3468 * print-rtl.c (print_rtl_single): Print a single rtl value to a
3471 * flow.c (print_rtl_with_bb): Print which insns start and end
3472 basic blocks. For the start of a basic block, also print the live
3475 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
3477 * toplev.c (main): Change #elif to #else/#ifdef
3479 * tlink.c: Include ctype.h.
3480 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
3482 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
3484 * bitmap.c: Conditionally include stdlib.h.
3485 (free): Provide a declaration if NEED_DECLARATION_FREE.
3487 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
3489 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
3491 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
3493 * profile.c (output_arc_profiler): Verify next_insert_after is an
3494 INSN before and after skipping a stack pop.
3496 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3498 * final.c (shorten_branches): Don't count the lengths of deleted
3501 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
3503 * version.c: Bump for snapshot.
3505 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
3507 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
3508 two bitmaps ANDed together.
3509 (bitmap_print): Declare.
3511 * bitmap.c (function_obstack): Don't declare any more.
3512 (bitmap_obstack): Obstack for allocating links from.
3513 (bitmap_obstack_init): New static to say whether to initialize
3515 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
3516 (bitmap_release_memory): Free all memory allocated from
3519 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
3520 EXECUTE_IF_AND_IN_BITMAP.
3522 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
3524 * alias.c (true_dependence): Address with AND can alias scalars.
3525 (anti_dependence, output_dependence): Likewise.
3527 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
3529 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
3531 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
3532 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
3533 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
3534 definitions. Use -qrtems instead of -mrtems.
3536 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
3538 * xm-sco5.h (sys_siglist): Define.
3539 (SYS_SIGLIST_DECLARED): Likewise.
3541 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
3543 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
3545 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
3547 * except.c (eh_outer_context): Expand masking operation using
3550 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
3552 * alpha.md (floatdisf2-1): New pattern.
3554 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
3556 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
3557 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
3558 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
3559 * gcc.texi: Note that if you define sys_siglist that you should
3560 also define SYS_SIGLIST_DECLARED.
3562 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
3563 are relative to the next instruction, not the current instruction.
3565 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
3567 * local-alloc.c (contains_replace_regs): New function.
3568 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
3569 verify that there is no existing REG_EQUIV note, and add a call to
3570 contains_place_regs.
3572 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3574 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
3575 (STARTFILE_SPEC): Always use crtbegin.o%s
3576 (ENDFILE_SPEC): Always use crtend.o%s.
3578 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
3580 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
3582 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
3583 SFmode for 64 bit hosts.
3585 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
3587 * fixincludes: Permits spaces between # and define. Discard C++
3588 comments in sys/pci.h on HP/UX 10.20.
3590 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
3592 * version.c: Bump for snapshot.
3594 * pa.c (restore_unscaled_index_insn_codes): New function.
3595 (record_unscaled_index_insn_codes): Likewise.
3596 (output_function_prologue): Call restore_unscaled_index_insn_codes.
3597 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
3598 (pa_reorg): Call record_unscaled_index_insn_codes.
3600 * haifa-sched.c (move_insn): Handle notes correctly for insns
3601 with SCHED_GROUP_P set.
3603 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3605 * alpha/xm-linux.h (USE_BFD): Undef before define.
3607 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
3609 * cse.c (cse_insn): Don't record BLKmode values.
3611 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
3613 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
3615 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
3617 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
3618 * collect2.c (sys_errlist): Likewise.
3619 * cpplib.c (sys_errlist): Likewise.
3620 * gcc.c (sys_errlist): Likewise.
3621 * protoize (sys_errlist): Likewise.
3622 * configure.in: Check for strerror.
3623 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
3624 * xm-gnu.h (HAVE_STRERROR): Likewise.
3625 * xm-linux.h (HAVE_STRERROR): Likewise.
3626 * xm-netbsd.h (HAVE_STRERROR): Likewise.
3627 * xm-bsd386.h (HAVE_STRERROR): Likewise.
3628 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
3629 * xm-dos.h (HAVE_STRERROR): Likewise.
3630 * xm-mingw32.h (HAVE_STRERROR): Likewise.
3631 * xm-pa.h (HAVE_STRERROR): Likewise.
3632 * xm-papro.h (HAVE_STRERROR): Likewise.
3633 * xm-sysv4.h (HAVE_STRERROR): Likewise.
3634 * configure, config.in: Rebuilt.
3636 * Makefile.in: Add several missing "else true" clauses.
3638 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
3639 * mips-tfile.c: Likewise.
3640 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
3641 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
3642 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
3643 * configure.in: Check for sys_siglist declaration.
3644 * configure, config.in: Rebuilt.
3646 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
3648 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
3649 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
3650 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
3651 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
3652 * rs6000/sysv4.h (extra_subtarget_switches): Added new
3653 macro EXTRA_SUBTARGET_SWITCHES.
3654 * configure.in (sh*-*-rtems*): New target.
3655 * sh/rtems.h: New file.
3656 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
3657 * configure: Rebuilt.
3659 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
3661 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
3663 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
3665 * rs6000.md: Make DF fused-add operations pay attention to
3668 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
3670 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
3672 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
3674 * pa.md (reload_peepholes): Make sure operand is a REG before
3675 examining REGNO. Allow general registers too.
3677 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
3679 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
3681 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
3683 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
3684 to reallocate abbrev_die_table.
3686 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
3688 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
3690 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3692 * Makefile.in (config.status): Depend on version.c
3694 * expr.h (insn_gen_function): Reenable prototype.
3696 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
3699 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
3701 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
3703 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
3705 * version.c: Bump for latest snapshot.
3707 * bc-optab.c: Conditionally include stdlib.h.
3708 (free): Provide a declaration if NEED_DECLARATION_FREE.
3709 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
3710 * rtl.h (free): Remove declaration.
3711 * tree.h (free): Remvoe declaration.
3713 * configure: Rebuilt.
3715 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
3717 * flags.h (flag_move_all_movables): Declare.
3718 (flag_reduce_all_givs): Likewise.
3719 * loop.c (move_movables): Handle flag_move_all_movables.
3720 (strength_reduce): Handle flag_reduce_all_givs.
3721 * toplev.c (flag_move_all_movables): Define.
3722 (flag_reduce_all_givs): Likewise.
3723 (f_options): Add -fmove-all-movables and -freduce-all-givs.
3724 * invoke.texi: Document new options, including alias stuff that
3725 wasn't included last time.
3727 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
3729 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
3732 * t-vxworks68: Ditto.
3733 * t-vxworks960: Ditto.
3736 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
3738 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
3739 if not already defined, and USE_C_ALLOCA not defined.
3741 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
3743 * config.guess: Replace with script that uses ../config.guess.
3745 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
3746 if USE_GNULIBC_1 is not defined.
3748 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
3750 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
3751 * config.guess: Recognize alpha-linux-gnulibc1.
3752 * configure.in (alpha-*-linux-gnulibc1): New target.
3753 (alpha-*-linux-gnu*): Don't build crtbegin/end.
3755 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
3757 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
3760 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
3762 * loop.c (combine_movables): Earlier insns don't match later ones.
3764 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3766 * config/linux.h (CC1_SPEC): Define it only if not defined.
3768 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
3771 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
3772 USE_GNULIBC_1 is not defined.
3774 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
3776 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
3777 as 1 if USE_GNULIBC_1 is not defined.
3779 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
3781 * reorg.c (dbr_schedule): Allow current_function_return_rtx
3782 to be something other than a REG.
3783 * function.c (expand_function_end): Fix current_function_return_rtx
3786 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
3787 * x-netbsd: Likewise
3788 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
3789 (INSTALL_HEADERS): Delete.
3790 * x-dguxbcs: Likewise.
3791 * x-hp3bsd44: Likewise
3794 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3796 * i386.md (pop): pop increments the stack pointer.
3797 (prologue_set_stack_ptr): New pattern.
3798 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
3801 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
3803 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
3804 address where an offsettable address is required.
3806 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
3808 * loop.c (check_final_value): Don't miss a biv increment in a
3811 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
3813 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
3814 TYPE_DECL_IS_STUB instead of DECL_NAME.
3816 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3818 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
3820 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
3822 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
3824 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
3826 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
3827 (find_post_sched_live): Likewise.
3829 * haifa-sched.c (schedule_block): Remove old code to get arguments
3830 from hard regs into pseudos early.
3832 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
3834 * version.c: Bump for new snapshot.
3836 * local-alloc.c (update_equiv_regs): All the target to reject
3837 promotion of some REG_EQUAL to REG_EQUIV notes.
3838 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
3840 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
3843 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
3844 store of the argument registers.
3846 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
3848 * fold-const.c (multiple_of_p): New function.
3849 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
3851 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
3853 * expr.h (insn_gen_function): Temporarily remove prototype.
3855 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
3857 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
3858 filenames. Use sed to extract base filename for install.
3860 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
3862 * unroll.c (find_splittable_givs): Only share if two givs have the
3863 same add and multiply values.
3865 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
3867 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
3868 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
3870 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
3872 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
3873 around branch tables.
3874 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
3875 and .end_brtab directives if TARGET_GAS.
3877 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
3879 * alias.c (true_dependence): Pass x_addr not x to varies.
3881 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
3882 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
3883 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
3885 * config.in, configure: Regenerate.
3887 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
3889 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
3891 (record_set): Handle LO_SUM like PLUS.
3892 (init_alias_analysis): When following chains of base addresses,
3893 do not stop on reaching a hard register.
3895 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
3897 * version.c: Bump for new snapshot.
3899 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
3901 * alpha.h (ARCH_ASM_FILE_START): Define.
3902 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
3903 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
3905 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
3907 * Makefile.in (install-common): Put gcov comment at start of line.
3909 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
3911 * alias.c (init_alias_analysis): When simplifying the reg_base_value
3912 array, simplify entries for hard registers too.
3914 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
3916 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
3919 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
3921 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
3922 block_stack before dereferencing it.
3924 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
3926 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
3928 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
3930 * cplus-dem.c: Add 'extern' to prepends_underscore.
3932 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
3934 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
3935 (get_issue_rate): Delete.
3936 * pa.h (ISSUE_RATE): Define.
3938 * configure.in: Turn on haifa by default for the PA.
3939 * configure: Rebuilt.
3940 * pa.c (override_options): Accept -mschedule=7200 option.
3941 (pa_adjust_cost): No longer need to scale costs for newer
3943 * pa.h (enum processor_type): Add PROCESSOR_7200.
3944 * pa.md: Revamp scheduling parameters to work better with
3945 haifa. Add scheduling parameters for the 7200.
3947 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
3949 (schedule_block): When adjusting basic_block_{head,end}, account
3950 for movement of SCHED_GROUP_P insns too.
3952 * haifa-sched.c (debug_dependencies): Fix thinko.
3954 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
3955 (site.exp, check, check-g++, check-gcc): New targets.
3957 * haifa-sched.c: Make lots of variables static.
3959 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3961 * expr.h, real.h: Finish prototyping.
3963 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
3965 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
3966 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
3967 * reload1.c: Undo bugfix from Aug 11.
3969 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
3971 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
3972 quotes around the name.
3973 * configure: Regenerate.
3975 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
3977 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
3979 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
3981 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
3982 to sub-makes to avoid building more passes than the user might have
3983 requested on the command line.
3985 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
3987 * configure.in: Expurgate `broken_install' (install is
3990 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
3993 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
3995 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
3996 functions and declarations.
3997 (analyze_loop_iterations): Use condjump_p.
3998 (insert_bct): Likewise. Use exact_log2.
4000 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
4002 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
4003 (schedule_region): Likewise.
4004 (schedule_insns): Likewise.
4006 * PROJECTS: Update with Haifa stuff.
4008 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
4010 * version.c: Change the version string to look like:
4011 egcs-2.90.00 970814 (gcc2-970802 experimental).
4013 * loop.c (is_conditional_branch): Make definition match declaration.
4015 * gcc.c: Take out experimental snapshot warning message.
4017 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
4019 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
4020 print out the names of the notes. Print out the name of the insn
4021 that is not a note, and not an {,CALL_,JUMP_}INSN.
4023 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
4025 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
4026 again for the slot after we give it RTL.
4028 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
4030 * configure.in (haifa configury): Fix typo.
4031 * configure: Regenerate.
4033 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
4035 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
4037 * gcc.info*: Rebuilt.
4039 * COPYING.g77, README.g77: New files.
4040 * real.c (ereal_unto_float, ereal_unto_double): New functions.
4041 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
4042 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
4044 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
4046 * Integrate Haifa instruction scheduler.
4047 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
4048 to sched with $(SCHED_CFLAGS.
4049 * configure.in: Handle --enable-haifa.
4050 * configure: Rebuilt.
4051 * flags.h: Add new flags for haifa instruction scheduler.
4052 * genattrtab.c (expand_units): For haifa, don't subtract one
4053 when computing blockage.
4054 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
4055 (flag_schedule_speculative): Ditto.
4056 (flag_schedule_speculative_load): Ditto.
4057 (flag_schedule_speculative_load_dangerous): Ditto.
4058 (flag_schedule_reverse_before_reload): Ditto.
4059 (flag_schedule_reverse_after_reload): Ditto.
4060 (flag_branch_on_count_reg): Ditto.
4061 (f_options): Add Haifa switches.
4062 (main): Turn off some Haifa options if appropriate macro is
4063 defined. Process Haifa switches.
4064 * unroll.c (iteration_info): No longer static, since Haifa
4066 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
4067 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
4068 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
4069 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
4070 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
4071 storage for the Haifa scheduler.
4072 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
4074 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
4075 are defined, call analyze_loop_iterations and insert_bct to use
4077 (record_giv): Refine test for jumps out of loops if HAIFA is
4079 (analyze_loop_iterations): New function to identify if we can use
4081 (insert_bct): Insert countdown loop.
4082 (instrument_loop_bct): Low level code to insert countdown loop.
4083 (loop_number): Calculate UID of loop.
4084 (indirect_jump_in_function_p): Return true if an indirect jump is
4086 (is_power_of_2): Return true if value is a power of 2.
4087 (is_conditional_branch): Return true if insn is a conditional
4089 (fix_bct_param): Process -fbct-{min,max}-N switches.
4090 (check_bct_param): Return true if loop should be instrumented.
4091 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
4092 (loop_optimize): Initialize.
4093 (get_condition_for_loop): Ditto.
4094 * loop.c (strength_reduce): Inside of code that uses #ifdef
4095 HAVE_decrement_and_branch_on_count code, test it to make sure the
4097 (instrument_loop_bct): Ditto.
4098 * haifa-sched.c: New file.
4101 * Integrate regmove pass.
4102 * Makefile.in (OBJS): Add regmove.o
4103 (regmove.o): Add dependencies.
4104 * flow.c (find_use_as_address): No longer static.
4105 * rtl.h (find_use_as_address): Declare.
4106 * toplev.c (regmove_dump, flag_regmove): Define.
4107 (f_options): Add -fregmove.
4108 (regmove_dump_file, regmove_time): Define.
4109 (fatal_insn): Close the regmove dump file.
4110 (compile_file): Initialize regmove_time; open/close the regmove dump
4111 file as needed. Print regmove time as needed.
4112 (rest_of_compilation): Run regmove pass if requested, dump
4113 RTL after regmove if requested.
4114 (main): If -O2 or more, turn on regmove. Handle dump switches.
4115 * regmove.c: New file.
4117 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
4119 * Integrate tlink patch from jason@cygnus.com
4120 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
4121 (process_command): Increment n_switches for them. Don't discard
4122 their args. Validate them.
4123 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
4125 (process_command): Set include_prefixes from COMPILER_PATH.
4126 (main): Set COLLECT_GCC_OPTIONS sooner.
4127 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
4128 * tlink.c, hash.c, hash.h: New files.
4129 * Makefile.in (USE_COLLECT2): Always use collect2.
4130 (collect2): Depend on and link in hash.o and tlink.o.
4131 (tlink.o, hash.o): Add dependencies.
4133 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
4135 * Integrate alias analysis changes from jfc@mit.edu
4136 * Makefile.in (OBJS): Add alias.o
4137 (alias.o): Add dependencies.
4138 * alias.c: New file.
4139 * sched.c: Remove alias analysis code. It lives in alias.c now.
4140 (sched_analyze_2): Add new arguments to true_dependence.
4141 (schedule_insns): Always call init_alias_analysis.
4142 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
4143 mark return value from such functions as a pointer and keep track of
4144 them for alias analysis. If a return value from a function is a
4145 pointer, mark it as such.
4146 * combine.c (distribute_notes): Handle REG_NOALIAS.
4147 * cse.c (struct write_data): Delete. No longer needed.
4148 (invalidate): Don't call set_nonvarying_address_components anymore.
4149 Use true_dependence to decide if an entry should be removed from
4151 (invalidate_memory): Remove WRITES argument, simplify appropriately.
4153 (note_mem_written): Similarly for WRITE_PTR argument.
4154 (invalidate_from_clobbers): Similarly for W argument.
4155 (invalidate_for_call): Remove memory elements from the hash table.
4156 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
4157 (cse_rtx_varies_p): New function. Derived from old
4158 cse_rtx_addr_varies_p.
4159 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
4160 Don't call note_mem_written anymore. Stack pushes invalidate the stack
4161 pointer if PUSH_ROUNDING is defined. No longer need to call
4162 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
4163 (skipped_writes_memory): Remove variable.
4164 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
4165 (invalidate_skipped_block): Simplify for new alias analysis code.
4166 (cse_set_around_loop): Likewise.
4167 (cse_main): Call init_alias_analysis.
4168 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
4169 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
4170 (f_options): Add new alias checking arguments.
4171 (main): Set flag_alias_check when optimizing.
4172 * local_alloc (validate_equiv_mem_from_store): Add new arguments
4174 (memref_referenced_p): Likewise.
4175 * loop.c (NUM_STORES): Increase to 30.
4176 (prescan_loop): Only non-constant calls set unknown_address_altered.
4177 (invariant_p): Add new arguments to true_dependence.
4178 (record_giv): Initialize unrolled and shared fields.
4179 (emit_iv_add_mult): Call record_base_value as needed.
4180 * loop.h (struct induction): Add unrolled and shared fields.
4181 * unroll.c (unroll_loop): Call record_base_value as needed.
4182 (copy_loop_body): Likewise.
4183 (final_biv_value): Likewise.
4184 (final_giv_value): Likewise.
4185 (find_splittable_regs): Likewise. Only create one new pseudo
4186 if we have multiple address GIVs that were combined with the same
4187 dst_reg GIV. Note when a new register is created due to unrolling.
4188 * rtl.c (reg_note_name): Add REG_NOALIAS.
4189 * rtl.h (enum reg_note): Similarly.
4190 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
4191 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
4192 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
4193 (true_dependence, read_dependence, anti_dependence): Likewise.
4194 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
4195 (mark_user_reg, mark_reg_pointer): Likewise.
4198 * Integrate reload bugfix from Wilon which enables the PA port
4200 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
4201 OPERAND_ADDRESS when computing how many registers an insn needs.
4202 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
4204 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
4206 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
4207 in reload_reg_use_in_op_addr do not reach the end.
4208 do not reach the end.
4209 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
4210 RELOAD_FOR_OPERAND_ADDRESS.
4212 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
4214 * egcs project officially starts.