1 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
2 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
4 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
5 (pwait): New function for mingw32.
7 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
8 pipe support is broken for now.
10 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
12 * reorg.c: #include "expr.h" for rtx prototypes.
13 * Makefile.in (reorg.o): Depend on expr.h
15 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
17 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
18 local_prefix to sub-make invocations.
20 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
22 * objc-parse.c: Recognize protocol qualifiers in class definitions.
24 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
26 * loop.c (find_and_verify_loops): When attempting to move insns from
27 inside the loop outside the loop, create a BARRIER if no suitable
30 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
31 favor of an equivalent change from gcc-2.8.
33 * i386/x-sco5 (CC): Remove trailing whitespace.
35 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
37 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
38 (accessor_from_format): Likewise.
39 (xmalloc): New function for use when linking with alloca.o.
41 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
43 * frame.c (find_fde): Correct FDE's upper bound.
45 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
47 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
49 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
51 * calls.c (expand_call): Move #ifdef code out of macro argument
53 (emit_library_call, emit_library_call_value): Likewise.
55 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
57 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
59 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
61 * version.c: Bump for snapshot.
63 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
65 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
66 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
67 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
68 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
69 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
70 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
71 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
72 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
73 * unroll.c, varasm.c: Likewise.
74 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
76 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
78 * mips.h: Fix some type-o's from a previous change.
80 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
82 * loop.c (check_dbra_loop): Make sure initial value is a
83 CONST_INT before trying to normalize it.
85 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
87 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
89 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
91 * cppexp.c: Include gansidecl.h
93 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
95 * svr4.h (LINK_SPEC): Never specify -h.
96 * ptx4.h (LINK_SPEC): Likewise.
97 * rs6000/sysv4.h (LINK_SPEC): Likewise.
98 * sparc/sol2.h (LINK_SPEC): Likewise.
100 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
102 * c-typeck.c (comptypes): Exit early on NULL input.
104 * haifa-sched.c (schedule_insns): Correctly remove inter-block
105 dependencies after reload.
107 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
109 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
111 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
113 * alpha/vms.h (DIR_SEPARATOR): define
115 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
117 * Makefile.in (stamp-proto): Remove.
118 (protoize.o, unprotoize.o): Straightforward compile.
119 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
121 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
123 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
124 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
126 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
128 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
129 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
130 * sparc/netbsd.h, vax/netbsd.h: Likewise.
132 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
134 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
136 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
138 * configure.in (target_cpu_default, target_cpu_default2): Use double
139 quotes around them when testing their value.
140 * configure: Rebuilt.
142 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
144 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
146 (gendef): Call obstack_alloc_rtx.
148 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
150 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
153 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
155 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
156 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
157 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
159 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
161 * mips.md (return_internal): Change mode from SImode to VOIDmode.
163 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
165 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
168 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
170 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
171 suffix from operand 3.
173 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
174 Jeffrey A Law (law@cygnus.com)
176 * regmove.c: New implementation of regmove pass.
177 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
178 decls, make them have external linkage. Return a value from
180 * reload.h (count_occurrences): Add decl.
181 * reload1.c (count_occurrences): Delete decl, make it have external
183 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
185 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
187 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
188 if it is not defined.
190 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
192 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
193 * emit-rtl.c (gen_rtx): Move special code to ...
194 (gen_rtx_CONST_INT): New function.
195 (gen_rtx_REG): New function.
196 (*): Update all calls to gen_rtx.
197 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
198 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
199 (GEN_INT): Call gen_rtx_CONST_INT.
200 * gengenrtl.c: New file.
202 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
204 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
205 (base_alias_check): If no base found for address call canon_rtx and
208 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
210 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
211 arguments for mips16.
212 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
213 Don't lose if tsize is zero after handling large stack for mips16.
214 * mips.md (return): For trivial return, return address is in $31.
216 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
218 * mips/mips16.S: Various changes to make it work with -msingle-float
221 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
222 Ian Lance Taylor <ian@cygnus.com>
223 Jeff Law <law@cygnus.com>
225 * mips.c, mips.h, mips.md: First cut at merging in mips16
226 support. Major modifications throughout all three files.
228 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
230 * configure.in: Make gthr-default.h a forwarding header instead of
233 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
235 * gcov-io.h: Include sys/types.h to ensure we get size_t.
237 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
239 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
240 Jeffrey A Law (law@cygnus.com)
242 * crtstuff.c (__frame_dummy): New function for irix6.
243 (__do_global_ctors): Call __frame_dummy for irix6.
244 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
246 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
248 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
250 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
252 * c-decl.c (init_decl_processing): Provide proper fallback symbol
253 for __builtin_memset.
254 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
255 not INTEGER_CST. Assert arg 3 is a constant.
257 * alpha.c (mode_width_operand): Accept 64-bit modes.
258 (mode_mask_operand): Likewise.
259 (print_operand): Likewise for 'M' and 'U' codes.
260 (alpha_expand_unaligned_load): New function.
261 (alpha_expand_unaligned_store): Likewise.
262 (alpha_expand_unaligned_load_words): Likewise.
263 (alpha_expand_unaligned_store_words): Likewise.
264 (alpha_expand_block_move): Likewise.
265 (alpha_expand_block_clear): Likewise.
266 * alpha.h (MOVE_RATIO): New define.
267 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
268 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
270 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
271 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
273 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
275 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
278 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
280 * emit-rtl.c (operand_subword): Correctly handle extracting a word
281 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
283 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
286 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
288 * configure.in: Set and subsitute host_exeext. Use it when creating
289 the assembler and linker symlinks.
290 * configure: Rebuild.
291 * Makefile.in (exeext): Set to @host_exeext@.
292 (build_exeext): New variable, set to @build_exeext@.
293 (FLAGS_TO_PASS): Pass down build_exeext.
294 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
297 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
299 * mn10200.md (addsi3, subsi3): Fix thinkos.
301 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
303 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
304 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
305 unix always, since we want to be able to thunk to functions in a
306 shared library from an application.
308 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
310 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
311 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
313 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
315 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
316 offset's mode is not ptr_mode, convert it.
318 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
320 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
321 compiling if it was already defined.
323 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
325 * flow.c (find_basic_blocks): Don't create a new basic block
326 for calls in a LIBCALL block.
328 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
330 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
332 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
334 * cse.c (rtx_cost): Remove conflicting default case.
336 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
338 * configure.in: Move default enabling of Haifa out of for loop.
339 * configure: Rebuild.
341 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
343 * version.c: Bump for snapshot.
345 1997-12-25 Teemu Torma <tot@trema.com>
347 * Makefile.in (GTHREAD_FLAGS): New var.
348 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
349 (distclean): Remove gthr-default.h.
351 * configure.in: Accept dce as a thread package.
352 Check for thread.h and pthread.h.
353 Link gthr-default.h to appropriate thread file and set
355 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
356 include multilib definitions from pa/t-dce-thr.
357 (sparc-*-solaris2*): Enable threads by default, if thread.h or
358 pthread.h is found, preferring posix threads over solaris ones.
360 * config/pa/t-dce-thr: New file.
361 * config/pa/t-pa: Removed multilibs.
362 * config/sparc/t-sol2: Ditto.
365 * gthr-single.h: New file.
366 * gthr-posix.h: New file.
367 * gthr-solaris.h: New file.
368 * gthr-dce.h: New file.
369 * libgcc-thr.h: Removed.
370 * objc/thr-dce.c: New file copied from thr-decosf1.c.
372 * frame.c: Include gthr.h instead of libgcc-thr.h.
373 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
374 (eh_context_initialize): If __gthread_once fails, use static eh
376 (eh_context_free): Call __gthread_key_dtor.
378 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
380 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
382 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
384 * cse.c (max_insn_uid): New variable.
385 (cse_around_loop): Use max_insn_uid.
386 (cse_main): Set max_insn_uid.
388 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
389 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
390 -mlong64, and -mgp{32,64} options.
391 * mips.c (mips_abi): Change type to int.
392 * mips.h (enum mips_abi_type): Delete.
393 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
394 (mips_abi): Change type to int.
396 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
398 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
399 optimization is now always enabled.
401 * calls.c (expand_call): Recognize C++ operator new as malloc-like
404 * alias.c (memrefs_conflict_p): Eliminate tests now done by
406 (*_dependence): Call canon_rtx before base_alias_check.
407 (init_alias_once): New function to precompute set of registers which
408 can hold Pmode function arguments.
410 * rtl.h: Declare init_alias_once.
412 * toplev.c (compile_file): Call init_alias_once.
414 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
416 * tree.c (restore_tree_status): Do not dereference a null pointer.
418 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
420 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
421 RLIMIT_STACK. This maintains consistency with the recent, similar
422 patch to cccp.c and toplev.c.
424 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
426 * genattrtab.c (expand_units): For large nr opclasses, expand
427 function_units_used with ORX to prevent blowups. Tag with FFS.
428 (num_unit_opclasses): New variable.
429 (gen_unit): Update it.
430 (enum operator): Add ORX_OP.
431 (operate_exp): Treat ORX as or, except don't expand across an if.
432 Reuse number rtx's after operating on them.
433 (check_attr_value): Accept IOR, AND, & FFS.
434 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
435 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
436 (write_expr_attr_cache, write_toplevel_expr): New functions.
437 (write_attr_get): Handle FFS-tagged expressions.
438 (make_canonical): Don't expand const attributes.
439 (convert_const_symbol_ref): Dike out.
440 (evaluate_eq_attr): Handle SYMBOL_REF.
441 (main): Don't emit get_attr_foo for const attributes.
443 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
444 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
445 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
446 * alpha.md: Redo all of the scheduling, adding EV6 support, and
447 combining function units where possible.
448 (attr "type"): Split loads, stores, cmov into int/fp. Combine
449 multiplies and divides. Add EV6 sqrt, ftoi, itof.
450 (attr "opsize"): New attribute.
451 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
452 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
453 to control register allocation.
454 (movsi2-1, movdi2-1): Likewise.
456 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
458 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
459 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
460 Move OSF/1 specific defines out.
461 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
462 Move Linux specific defines out.
463 (LINK_SPEC): Genericize.
464 (ASM_FILE_START): Emit .arch if using more than the base insn set.
465 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
466 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
467 (HANDLE_SYSV_PRAGMA): Define.
468 * alpha/osf.h: New file.
469 * alpha/linux.h: Split. Retain file-format independant defines.
470 Import Linux bits from elf.h.
471 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
472 (FUNCTION_PROFILER): _mcount takes its address in $28.
473 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
474 * alpha/linux-ecoff.h: New file.
475 * alpha/linux-elf.h: New file.
476 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
477 * alpha/win-nt.h (TARGET_DEFAULT): Define.
478 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
479 Add new headers as appropriate.
481 * configure.in (alpha*): Enable Haifa by default.
482 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
483 * configure: Rebuild.
485 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
487 * Makefile.in (clean): Remove the stages with their objects here ...
488 (distclean): ... instead of here.
490 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
492 * cse.c (rtx_cost): Add default case in enumeration switch.
493 * fix-header.c (recognized_macro): Likewise.
494 (recognized_extern): Likewise.
495 (write_rbrac): Likewise.
496 * objc/objc-act.c (encode_aggregate): Likewise.
497 (gen_declarator): Likewise.
498 (gen_declspecs): Likewise.
500 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
502 * haifa-sched.c (create_reg_dead_note): Detect and handle another
503 case where we kill more regs after sched than were killed before
505 * sched.c (create_reg_dead_note): Similarly.
507 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
509 * c-pragma.c: Include flags.h.
511 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
513 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
514 about system headers.
515 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
516 and also to resolve symbols in prefix.c.
518 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
519 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
520 when the definitions in auto-config.h is not visible.
521 (HAVE_BZERO): Likewise.
522 (HAVE_BCMP): Likewise.
523 (HAVE_RINDEX): Likewise.
524 (HAVE_INDEX): Likewise.
526 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
528 * pa.c (emit_move_sequence): Handle a function label source
531 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
533 * c-pragma.c (handle_pragma_token): Generate warning messages
534 about unknown pragmas if warn_unknown_pragmas is set.
536 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
537 line option to set variable: warn_unknown_pragmas.
539 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
541 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
543 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
545 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
547 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
548 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
549 generate more fine grained floating point emulation libraries.
550 * config/fp-bit.c: Add protecting #ifdef to all functions so
551 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
552 then compile all suitable functions.
553 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
554 underscores to avoid namespace pollution.
555 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
557 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
561 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
562 Jeff Law <law@cygnus.com>
564 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
566 * c-decl.c (finish_decl): Use parentheses around && within ||.
567 * rtl.c: Include stdlib.h.
568 (read_skip_spaces): Add parentheses around assignments used as
570 (read_rtx): Initialize list_rtx.
571 * cppexp.c (parse_number): Use || when operands are truth values.
572 * alias.c (find_base_value): Add default case.
573 (memrefs_conflict): Likewise.
574 * combine.c (sets_function_arg_p): Likewise.
575 * genemit.c (gen_exp): Likewise.
576 * local-alloc.c (contains_replace_regs): Likewise.
577 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
578 * fold-const.c (fold_convert): Use "&&" for truth values.
579 (fold): Add default case.
580 * sdbout.c (sdbout_field_types): Fix typo in declaration.
581 (sdbout_one_type): Add default case.
582 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
583 (some_operand): Add default case.
584 (input_operand): Likewise.
585 (signed_comparison_operator): Likewise.
586 (divmod_operator): Likewise.
587 (alpha_set_memflags_1): Likewise.
588 * reload1.c (reload_cse_simplify_operands): Ensure function
589 always returns a value.
590 * scan-decls.c (scan_decls): Likewise.
591 * c-lex.c (skip_white_space): Fix typo in declaraion.
592 * c-typeck.c (comp_target_types): Add parentheses around assignment
594 (print_spelling): Likewise.
595 (constructor_implicit, constructor_result): Remove unused variables.
596 * collect2.c (scan_library): Protect prototype with
597 #ifdef SCAN_LIBRARIES.
598 * emit-rtl.c (find_line_note): Fix typo in declaration.
599 * final.c (asm_insn_count): Protect prototype with
600 #ifdef HAVE_ATTR_length.
601 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
602 (try_pre_increment_1, try_pre_increment): Likewise.
603 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
604 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
605 * gcov-io.h (__store_long, __write_long, __read_long): Fix
606 unsigned/signed comparisons.
607 * gcov.c (read_files): Remove unused "first_type" variable.
608 (scan _for_source_files): Initialize s_ptr.
609 (function_summary): Eliminate "%lf" formatting, use %ld for
611 (output_data): Initialize branch_probs and last_line_num.
612 Eliminate "%lf" formatting, use "%ld" for longs.
614 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
616 * mips16.S: New file.
618 * libgcc2.c (varargs): Handle mips16.
620 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
622 * stmt.c (expand_end_case): Likewise.
623 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
624 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
625 * rs6000.h, sh.h, tahoe.h, v850.h vax.h z8k.h: Likewise.
627 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
629 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
631 (libobjc.a): Update dependency list.
632 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
634 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
635 (objc.mostlyclean): Remove runtime-info.h.
637 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
639 * tree.c (build_range_type): Allow creation of ranges with no maximum.
640 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
641 * dwarf2out.c (add_subscript_info): Likewise.
642 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
643 * sdbout.c (plain_type_1): Likewise.
644 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
646 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
649 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
651 * mips.c (fatal): Remove declaration.
653 1997-12-18 Mark Mitchell <mmitchell@usa.net>
655 * integrate.c (get_label_from_map): New function.
656 (expand_inline_function): Use it. Initialize the label_map to
657 NULL_RTX instead of gen_label_rtx.
658 (copy_rtx_and_substitute): Use get_label_from_map.
659 * integrate.h (get_label_from_map): New function.
660 (set_label_from_map): New macro.
661 * unroll.c (unroll_loop): Use them.
662 (copy_loop_body): Ditto.
664 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
666 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
667 (INIT_TARGET_OPTABS): Define.
668 * mips/ecoff.h: Include gofast.h before mips.h.
669 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
670 * mips/elf64.h: Likewise.
671 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
673 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
675 * except.c: Remove register_exception_table{,_p}.
677 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
679 * unroll.c (calculate_giv_inc): Handle constant increment found in
680 a MEM with an appropriate REG_EQUAL note.
682 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
684 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
685 frame pointer in the prologue.
687 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
689 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
690 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
692 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
694 * config/m68k/m68k.c (output_function_prologue): Typecast
695 dwarf2out_cfi_label to (char *).
696 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
698 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
700 * sparc.md (jump): Don't use the annul bit around an empty loop.
701 Patch from Kevin.Kelly@East.Sun.COM.
703 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
705 * jump.c: (jump_optimize): Don't use the return register as a
706 source1 of a conditional move.
708 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
710 * sparc.c (DF_MODES): Or the mask not the bit number.
711 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
713 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
715 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
717 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
719 * fixincludes (size_t): Add support for Motorola's stdlib.h
720 which fails to provide a definition for size_t.
721 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
722 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
723 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
725 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
726 prevent unresolved externals in libio.
727 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
729 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
731 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
732 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
733 (LIB_SPEC): Updated for glibc 2.
735 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
737 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
738 * ginclude/varargs.h: Likewise.
740 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
742 * version.c: Bump for snapshot.
744 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
746 * frame.h (__register_frame, __register_frame_table,
747 __deregister_frame): New.
748 * frame.c (__register_frame, __register_frame_table,
749 __deregister_frame): New.
750 * frame.c (__deregister_frame_info): Return void *.
751 * frame.h (__deregister_frame_info): Ditto.
752 * collect2.c (__deregister_frame_info): Ditto.
754 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
756 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
758 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
760 * alpha.c (alpha_cpu_name): New variable.
761 (alpha_mlat_string): Likewise.
762 (alpha_memory_latency): Likewise.
763 (override_options): Handle -mmemory-latency.
764 (alpha_adjust_cost): Adjust load cost for latency.
765 * alpha.h (TARGET_OPTIONS): Add meory-latency.
766 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
767 TARGET_CIX into account.
768 (MEMORY_MOVE_COST): Define in terms of memory_latency.
769 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
771 * alpha.h (ASM_COMMENT_START): New macro.
773 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
775 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
776 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
778 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
779 SUBREG_REG if the word count is unchanged.
780 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
781 subregs of identical word size for push_reload.
783 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
785 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
786 if all we're doing is dealing with -Wreturn-type.
788 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
790 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
791 Use and 255 instead of zapnot 1, since it schedules better.
793 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
795 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
798 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
800 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
801 dependency we delete. Properly update prev for multiple consecutive
803 (priority): Skip deleted dependence.
805 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
807 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
809 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
811 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
812 determining when a new basic block starts.
814 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
816 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
817 * pa.md (iorsi3): Add missing args to *_operand calls.
819 * except.c (call_get_eh_context): Don't mess with sequences.
820 (emit_eh_context): Include the call in the sequence here.
822 1997-12-11 Paul Eggert <eggert@twinsun.com>
824 * collect2.c (write_c_file_glob): Allocate initial frame object
825 in static storage and pass its address.
827 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
829 * except.c (call_get_eh_context): Don't take a parm.
830 Put the call at the top of the function.
831 (emit_eh_context): Adjust.
832 (get_eh_context): Replace with former use_eh_context.
833 (get_eh_context_once, get_saved_pc_ref): Remove.
834 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
836 * integrate.c (expand_inline_function): Adjust.
837 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
839 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
841 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
842 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
844 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
846 * fixincludes (strlen,strspn,strcspn return value): Handle different
848 (hypot): Provide a fake for hypot which is broken on
851 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
853 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
854 tree_code_name from pointers to arrays.
855 * tree.c: Remove standard_tree_code_* variables, no longer used.
856 * print-tree.c: Remove declaration of tree_code_name.
858 * cp/lex.c (init_lex): Update for tree_code_* changes.
859 * objc/objc-act.c (init_objc): Likewise.
861 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
864 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
866 * config.sub: Add support for BeOS target.
867 * configure.in: Likewise.
868 * ginclude/stdarg.h: Likewise.
869 * ginclude/stddef.h: Likewise.
870 * ginclude/varargs.h: Likewise.
871 * rs6000/beos.h: New file for BeOS.
872 * rs6000/t-beos: Likewise.
873 * rs6000/x-beos: Likewise.
874 * rs6000/xm-beos.h: Likewise.
875 * toplev.c (get_run_time): Just return 0 on BeOS.
877 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
878 Toon Moene (toon@moene.indiv.nluug.nl)
880 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
881 old and broken Sun3 assemblers. Newer versions handle large
882 offsets correctly as does the GNU assembler.
884 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
886 * objc/objc-act.c (lang_report_error_function): Disable.
887 * objc/objc-parse.y: Include "output.h".
888 (yyerror): Remove redundant decl.
889 (yyprint): Fix prototype.
890 (apply_args_register_offset): Remove redundant decl.
891 (get_file_function_name): Likewise.
893 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
895 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
897 (find_basic_blocks_1): Likewise.
899 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
901 * except.c (use_eh_context): Don't copy_rtx a REG.
902 (emit_throw): Lose old unwinder support.
903 (expand_internal_throw): Likewise.
904 * libgcc2.c (struct eh_context): Likewise.
905 (new_eh_context): Likewise.
906 (__get_eh_info): Lose redundant cast.
907 (__get_dynamic_handler_chain): Likewise.
908 (__get_saved_pc): Lose.
909 Lose all old unwinder support code.
911 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
913 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
915 * integrate.c (expand_inline_function): If the inline fn uses eh
916 context, make sure that the current fn has one.
917 * toplev.c (rest_of_compilation): Call emit_eh_context.
918 * except.c (use_eh_context): New fn.
919 (get_eh_context_once): New fn.
920 (call_get_eh_context): New fn.
921 (emit_eh_context): New fn.
922 (get_eh_context): Call either get_eh_context_once or
923 call_get_eh_context, depending on what we have.
924 (get_dynamic_handler_chain): Call get_eh_context_once.
925 * except.h: Prototypes for fns above.
926 * optabs.c (get_eh_context_libfunc): Removed.
927 (init_optabs): Don't initialize it.
928 * expr.h (get_eh_context_libfunc): Removed.
929 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
930 * config/pa/pa.h (CPP_SPEC): Support for -threads.
931 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
932 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
933 New multilib for -threads.
934 * config/sparc/t-sol2: Added multilibs for -threads and
935 made -pthreads alias to it.
936 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
937 Added -threads and -pthreads options.
938 * libgcc-thr.h: New file.
939 * libgcc2.c: (__get_cpp_eh_context): Removed.
940 (struct cpp_eh_context): Removed.
941 (struct eh_context): Replaced cpp_eh_context with generic language
943 (__get_eh_info): New function.
944 (__throw): Check eh_context::info.
946 * libgcc2.c: Include libgcc-thr.h.
947 (new_eh_context, __get_eh_context,
948 eh_pthread_initialize, eh_context_initialize, eh_context_static,
949 eh_context_specific, eh_context_free): New functions.
950 (get_eh_context, eh_context_key): New variables.
951 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
952 get_eh_context to get the context.
953 (longjmp): Move the declaration inside
954 #ifdef DONT_USE_BUILTIN_SETJMP.
955 * frame.c: Include libgcc-thr.h.
956 (object_mutex): Mutex to protect the object list.
957 (find_fde, __register_frame, __register_frame_table,
958 __deregister_frame): Hold the lock while accessing objects.
959 * except.h (get_eh_context): Declare.
960 * except.c (current_function_ehc): Define.
961 (current_function_dhc, current_function_dcc): Removed.
962 (get_eh_context): New function.
963 (get_dynamic_handler_chain): Use get_eh_context.
964 (get_saved_pc_ref): Ditto.
965 (get_dynamic_cleanup_chain): Removed references to
966 current_function_dcc.
967 (save_eh_status, restore_eh_status): Save and restore
968 current_function_ehc instead.
969 * optabs.c (get_eh_context_libfunc): New variable.
970 (init_optabs): Initialize it.
971 * expr.h: Declare get_eh_context_libfunc.
972 * function.h (struct function): Replaced dhc and dcc with ehc.
973 * except.c (get_saved_pc_ref): New functions.
974 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
975 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
977 (end_eh_unwinder): Likewise.
978 (init_eh): Remove initialization of eh_saved_pc.
979 * optabs.c (get_saved_pc_libfunc): New variable.
980 (init_optabs): Initialize it.
981 * expr.h: Declare get_saved_pc_libfunc.
982 * except.h (eh_saved_pc_rtx): Deleted.
983 (get_saved_pc_ref): Declared.
985 From Scott Snyder <snyder@d0sgif.fnal.gov>:
986 * libgcc2.c (__get_saved_pc): New.
987 (__eh_type, __eh_pc): Deleted.
988 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
989 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
992 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
994 * sparc/sol2.h: Use 64 bit multiply and divide functions in
995 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
998 * rtl.h (global_rtl): New variable, replacing separate variables for
1000 (const_int_rtx): Now array of rtx_def, not rtx.
1001 * emit-rtl.c: Update for new rtl data structures.
1002 * genattrtab.c: Define global_rtl.
1004 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
1006 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
1009 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
1011 * crtstuff.c (__do_global_ctors): Fix typo.
1013 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
1015 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
1016 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
1018 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
1020 * rs6000.h (FUNCTION_ARG_PADDING): Define.
1021 * rs6000.c (function_arg_padding): New function.
1023 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
1025 * m68k.c: Include tree.h only once.
1027 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1029 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
1031 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
1033 * Partially cleaned up prototyping code from HJ.
1034 * tree.h: Add many prototypes.
1035 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
1036 All references changed.
1037 * rtl.h: Protect from multiple inclusions. Add many prototypes.
1039 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
1041 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
1042 string functions like strlen.
1044 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
1046 * configure.in: Check for functions getrlimit and setrlimit.
1047 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
1048 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
1050 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
1052 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
1054 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
1056 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
1059 * alpha.c (override_options): Don't know about scheduling for EV6.
1060 * alpha.md (ev5 function units): Don't overload as ev6.
1062 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
1063 * alpha.md (define_attr type): Add mvi.
1064 (ev5_e0): Define sceduling parameters for it.
1065 (TARGET_MAX insns): Type is mvi not shift.
1067 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
1069 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
1071 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1073 * cstamp-h, auto-config.h: Delete.
1075 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
1077 * version.c: Bump for snapshot.
1079 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
1081 * cccp.c: Fix typo brought over in merge.
1083 * Merge in changes from gcc-2.8.
1085 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
1087 * m68k.c: Include tree.h for dwarf2out_cfi_label.
1089 * gcc.c (process_command): Do not take address of function fatal when
1090 calling lang_specific_driver.
1092 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
1094 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
1095 doesn't work with it yet, so set it to 0.
1096 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
1098 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
1100 * cse.c (cse_insn): Check for invalid entries when taking references.
1102 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1104 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
1105 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
1106 * toplev.c (rest_of_compilation): Pass it. Remove code to
1107 save / clear / restore flag_unroll_{,all_}loops.
1109 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
1111 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
1113 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
1115 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
1117 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
1119 * except.c (get_dynamic_handler_chain): Only make the call once per
1122 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
1124 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1126 * sh.c (final_prescan_insn): Use local label prefix
1127 when emitting .uses pseudo-ops.
1129 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
1131 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
1132 * except.c: Lose outer_context_label_stack.
1133 (expand_eh_region_end): Rethrow from outer_context here.
1134 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
1135 (expand_internal_throw): Take no args.
1136 (expand_internal_throw_indirect): Lose.
1137 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
1138 (expand_start_all_catch): Start a rethrow region.
1139 (expand_end_all_catch): End it.
1140 (expand_rethrow): New fn.
1141 * except.h: Reflect above changes.
1142 * flow.c: Revert change of Nov 27.
1144 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
1146 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
1148 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
1150 * except.c (expand_fixup_region_end): New fn.
1151 (expand_fixup_region_start): Likewise.
1152 (expand_eh_region_start_tree): Store cleanup into finalization here.
1153 * stmt.c (expand_cleanups): Use them to protect fixups.
1155 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
1157 * mips/mips.md (muldi3_r4000): Broaden the output template
1158 and attribute assignments to handle three operand dmult;
1159 rename to muldi3_internal2.
1160 (muldi3): Call the new muldi3_internal2 for R4000, and
1161 any GENERATE_MULT3 chip.
1163 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
1165 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
1167 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
1169 * unroll.c (find_splittable_givs): Remove last change. Handle givs
1170 with a dest_reg that was created by loop.
1172 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
1174 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
1176 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
1178 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
1180 * configure.in: Fix NCR entries.
1182 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
1184 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
1185 nested exceptions correctly.
1187 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
1188 that was created by loop.
1190 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
1192 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
1194 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
1196 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
1198 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
1199 (print_operand): Use SMALL_DATA_REG for the register involved in
1200 small data relocations.
1201 (print_operand_address): Ditto.
1203 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
1204 -dynamic linker is not used.
1206 * rs6000.md (call insns): For local calls, use @local suffix under
1207 System V. Don't use @plt under Solaris.
1209 * rs6000.c (output_function_profiler): Put label address in r0, and
1210 store LR in 4(sp) for System V/eabi.
1212 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
1213 byte boundary, and maintain stack backchain.
1215 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
1217 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
1218 fix_truncsfdi2): Change *.
1220 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
1222 * toplev.c (main): Complain about -gdwarfn.
1224 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
1226 * dwarfout.c (output_type): If finalizing, write out nested types
1227 of types we've already written.
1229 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
1231 (patches originally from Geoffrey Keating)
1232 * rs6000.c (function_arg): Excess floating point arguments don't
1233 go into GPR registers after exhausting FP registers under the
1235 (function_arg_partial_nregs): Ditto.
1237 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
1240 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
1242 * integrate.c (output_inline_function): Just unset DECL_INLINE.
1244 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
1246 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
1249 * libgcc2.c (__throw): Initialize HANDLER.
1251 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
1253 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
1254 fix_truncsfdi2): Change *X to ?*X.
1256 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
1258 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
1260 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
1262 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
1264 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
1266 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
1268 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
1270 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
1271 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
1274 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
1276 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
1277 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
1278 gas and not using the new HP assembler.
1280 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
1282 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
1283 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
1285 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
1287 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
1288 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
1291 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1293 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
1295 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
1297 * except.h: Add outer_context_label_stack.
1298 * except.c: Likewise.
1299 (expand_start_all_catch): Push the outer_context for the try block
1300 onto outer_context_label_stack.
1301 (expand_end_all_catch): Use it and pop it.
1303 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
1305 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
1307 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
1309 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
1311 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
1313 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
1314 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
1316 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
1318 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
1319 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
1320 __builtin_delete, and __builtin_vec_delete.
1322 * except.c (output_exception_table): Don't bother with
1325 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
1327 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
1328 is an in/out operand.
1329 (zero extended variants of stwm/stwm patterns): Similarly.
1331 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
1333 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
1335 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
1337 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
1338 (output_call_frame_info): Emit a \n after using it.
1340 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
1342 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
1344 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
1346 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
1347 (ASM_OUTPUT_DWARF_VALUE4): New macro.
1348 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
1350 (output_call_frame_info): Do not output forward label differences
1351 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
1352 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
1354 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1356 * sh.md (attribute "type"): Add nil.
1357 (movsi_ie): y/y alternative is type nil.
1358 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
1360 (movsf_ie+1): Delete.
1362 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
1364 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
1365 large_int, emit two insns instead of one splitable insn.
1366 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
1367 from cfa_temp_value, use cfa_offset. Add assert checking that
1370 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
1372 * cccp.c (deps_output): Properly quote file names for make.
1374 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
1376 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
1378 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
1380 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
1382 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
1384 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
1386 (cse_end_of_basic_block): Similarly.
1388 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
1390 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
1391 (SELECT_RTX_SECTION): Define.
1392 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
1394 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
1396 * Makefile.in (compare, compare-lean): Define $stage for each
1398 (gnucompare, gnucompare-lean): Likewise.
1400 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
1402 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
1404 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
1405 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
1407 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
1409 * dwarfout.c (byte_size_attribute): Add local var upper_bound
1410 and add case to handle STRING_TYPE.
1411 * dwarfout.c (output_string_type_die): Fix code to generate
1412 correct string length attribute for fixed length strings.
1413 Still needs support for varying length strings.
1415 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
1417 * toplev.c (get_run_time): Do something sensible for cygwin32.
1419 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
1421 * expr.c (expand_builtin_setjmp): Set
1422 current_function_has_nonlocal_label.
1423 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
1424 call-saved registers across calls.
1426 * alpha.md (exception_receiver): Remove.
1427 (nonlocal_goto_receiver_osf): New
1428 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
1429 (nonlocal_goto_receiver): New, select _osf or _vms.
1431 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
1432 keep them from being propogated to the object file.
1433 (alpha_write_linkage): Likewise.
1434 * alpha.md (call_vms): Likewise.
1435 (call_value_vms): Likewise.
1436 (unnamed osf call insns): Likewise.
1438 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
1439 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
1441 * alpha.c (call_operand): Any reg is valid for WinNT.
1442 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
1443 (anon nt calls): Add 'R' alternative.
1444 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
1445 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
1447 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
1449 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
1451 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
1452 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
1453 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
1455 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
1457 * reload1.c (new_spill_reg): Improve fixed or forbidden register
1458 spill error message.
1460 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1462 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
1463 use varargs.h. Wrap header with <>, not "".
1465 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
1467 * integrate.c (save_for_inline_copying): Add return value from
1470 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
1472 * fixincludes: Be a little more restrictive on what we will
1473 substitute to replace definitions of MAXINT for HPUX.
1475 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
1477 * dbxout.c (dbxout_symbol_location): Don't assume that variables
1478 whose address is the stack or argument pointers are indirect
1481 1997-11-13 Paul Eggert <eggert@twinsun.com>
1483 * cccp.c, cpplib.c (compare_defs):
1484 Don't complain about arg name respellings unless pedantic.
1485 * cpplib.c (compare_defs): Accept pfile as new arg.
1486 All callers changed.
1488 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1490 * fold-const.c (fold_truthop): Fix bug in last change.
1492 1997-11-13 Paul Eggert <eggert@twinsun.com>
1494 Fix some confusion with IEEE minus zero.
1496 * real.h (REAL_VALUES_IDENTICAL): New macro.
1498 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
1499 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
1501 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
1502 same tree structure as 0.0.
1504 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
1505 macro instead of doing it by hand.
1507 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
1509 * v850/lib1funcs.asm: Minor whitespace changes.
1510 * v850.c: Fix minor formatting problems in many places.
1511 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
1513 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
1515 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
1516 xplus1 when xplus0 is not a register.
1518 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
1520 * flow.c (find_basic_blocks): During marking phase, if we encounter
1521 an insn with a REG_LABEL note, make the target block live and
1522 create an edge from the insn to the target block. Do not make
1523 edges from all blocks to the target block.
1525 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
1527 * confiugre.in: Tweak NCR entries.
1528 * configure: Rebuilt.
1530 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
1532 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
1533 pick apart floating point values, instead of using CONST_DOUBLE_LOW
1534 and CONST_DOUBLE_HIGH.
1536 * rs6000.md (define_splits for DF constants): Use the appropriate
1537 REAL_VALUE_* interface to pick apart DF floating point constants in
1538 a machine independent fashion.
1540 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1542 * fold-const.c (fold_truthop): When changing a one-bit comparison
1543 against zero into a comparison against mask, do a proper sign
1546 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
1548 * except.c: Do not include "assert.h".
1549 (save_eh_status): Turn asserts into conditional aborts.
1550 (restore_eh_status, scan_region): Likewise.
1551 * dwarfout.c: Do not include "assert.h".
1552 (bit_offset_attribute): Turn asserts into conditional aborts.
1553 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
1554 (output_inlined_structure_type_die): Likewise.
1555 (output_inlined_union_type_die): Likewise
1556 (output_tagged_type_instantiation): Likewise.
1557 (dwarfout_file_scope_decl): Likewise.
1558 * dwarf2out.c: Do not include "assert.h"
1559 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
1560 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
1561 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
1562 (add_bit_size_attribute, scope_die_for): Likewise.
1563 (output_pending_types_for_scope): Likewise.
1564 (get_inlined_enumeration_type_die): Likewise.
1565 (get_inlined_structure_type_die): Likewise.
1566 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
1567 (gen_tagged_type_instantiation_die): Likewise.
1569 * flow.c (find_basic_blocks): Refine further to get a more correct
1570 cfg, especially in the presense of exception handling, computed
1571 gotos, and other non-trivial cases. Call abort if an inaccuracy
1572 is detected in the cfg.
1574 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1576 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
1578 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
1579 (skip_white_space): Use whitespace_cr.
1580 (check_newline): Handle whitespace more consistently.
1582 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
1584 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
1585 * i386/xm-cygwin32.h (POSIX): Define.
1587 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
1589 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
1590 is available elsewhere.
1592 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
1594 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
1595 what the instruction can handle.
1597 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
1599 * stmt.c (expand_decl_cleanup_no_eh): New fn.
1601 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
1603 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
1605 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
1606 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
1608 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
1610 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
1611 swap instruction order.
1613 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
1615 * fixinc.svr4 (__STDC__): Add another case.
1617 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1619 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
1620 addresses in the epilogue delay slot.
1622 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
1624 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
1625 in generated `specs' file.
1627 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
1629 * flags.h (flag_rerun_loop_opt): Declare.
1630 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
1631 * toplev.c (flag_rerum_loop_opt): Delete static.
1633 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1635 Bring over from FSF:
1637 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1639 * va-sh.h (__va_arg_sh1): Define.
1641 SH3E doesn't use any integer registers for subsequent arguments
1642 once a non-float value was passed in the stack.
1643 * sh.c (machine_dependent_reorg): If optimizing, put explicit
1644 alignment in front label for ADDR_DIFF_VEC.
1645 * sh.h (PASS_IN_REG_P): Fix SH3E case.
1646 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
1648 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1650 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
1653 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1655 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
1656 put an use_sfunc_addr before each sfunc.
1657 * sh.md (use_sfunc_addr, dummy_jump): New insns.
1658 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
1660 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1662 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
1664 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
1666 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
1669 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
1671 * alias.c (find_base_value): Only return the known base value for
1674 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
1676 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
1677 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
1679 (prologue_get_pc_and_set_got): New pattern.
1681 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
1683 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
1684 for SUBREG, just fall through.
1686 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
1688 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
1690 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
1692 * fixincludes: Fix "hypot" prototype in NeXT math.h.
1694 * Makefile.in (USE_ALLOCA): Always include alloca.o.
1695 (USE_HOST_ALLOCA): Likewise.
1697 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
1698 and LABEL_REFS fields.
1699 * rtl.h (LABEL_REFS): Update.
1701 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
1703 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
1704 sets i2dest. When calling distribute_notes for i3dest_killed, pass
1705 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
1708 * mips.md (insv, extzv, extv): Add change_address call.
1709 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
1711 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
1713 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
1715 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
1716 save_restore_insns if no FP and GP will be restored.
1718 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
1719 Convert CCmode to word_mode before calling GET_MODE_SIZE.
1721 * acconfig.h (HAVE_INTTYPES_H): Undef.
1722 * configure.in (inttypes.h): Check for conflicts between sys/types.h
1723 and inttypes.h, and verify that intmax_t is defined.
1724 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
1725 * config/mips/x-iris3: Likewise.
1727 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
1729 * alias.c (find_base_value): When copying arguments, return the
1730 tenative value for a hard register.
1732 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
1734 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
1735 (yylex): Record wide strings using target endianness, not host.
1737 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
1739 * mn10200.h (ASM_OUTPUT_BSS): Delete.
1740 (ASM_OUTPUT_ALIGNED_BSS): New macro
1741 * mn10300.h (ASM_OUTPUT_BSS): Delete.
1742 (ASM_OUTPUT_ALIGNED_BSS): New macro.
1743 * v850.h (ASM_OUTPUT_BSS): Delete.
1744 (ASM_OUTPUT_ALIGNED_BSS): New macro.
1746 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1748 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
1750 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
1752 * configure.in (sco5): Use cpio to install header files.
1754 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
1756 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
1758 * configure: Rebuild.
1760 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
1762 * i386/sco5.h: enable -gstabs once again.
1764 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
1766 * arm.c (output_move_double): Allocate 3 entries in otherops array.
1768 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
1770 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
1771 notes for sjlj exceptions too.
1772 (expand_eh_region_end): Similarly for EH_REGION_END notes.
1773 (exception_optimize): Optimize EH regions for sjlj exceptions too.
1774 * final.c (final_scan_insn): Don't output labels for EH REGION
1775 notes if doing sjlj exceptions.
1777 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
1779 * alias.c (init_alias_analysis): Handle -fno-alias-check when
1780 optimizing correctly.
1782 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
1783 or set current_function_calls_setjmp anymore.
1785 * flow.c (find_basic_blocks): If we delete the label for an
1786 exception handler, remove it from the EH label list and remove
1787 the EH_BEGIN/EH_END notes for that EH region.
1789 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
1791 * flow.c (find_basic_blocks): Generate correct flow control
1792 information when exception handling notes are present.
1794 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
1796 * dwarf2out.c (output_call_frame_info): Fix length argument
1797 to ASM_OUTPUT_ASCII.
1798 (output_die, output_pubnames, output_line_info): Likewise.
1800 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
1802 * version.c: Bump for snapshot.
1804 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
1805 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
1806 flag_debug_asm is on.
1807 (output_die, output_pubnames, output_line_info): Likewise.
1809 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
1810 and static_chain_rtx into the potential base values array if
1813 * alias.c (new_reg_base_value): New array of potential base values.
1814 (unique_id): Now file scoped static.
1815 (find_base_value, case REG): Return the value in reg_base_value
1816 array for the REG if it exists. Else, return the value from
1817 new_reg_base_value if copying args and REG is a hard register.
1818 (find_base_value, case PLUS): If either operand of the PLUS is
1819 a REG, try to get its base value. Handle base + index and
1821 (record_set): Use new_reg_base_value instead of reg_base_value.
1822 (init_alias_analysis): Allocate space for new_reg_base_value too.
1823 Rework code to iterate over the insns propagating base value
1824 information until nothing changes.
1826 * global.c (global_alloc): Free the conflict matrix after
1827 reload has finished.
1829 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
1831 * libgcc2.c (L_eh): Define __eh_pc.
1832 Replace __eh_type with generic pointer __eh_info.
1834 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
1836 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
1837 use copy_to_reg if address is not a general_operand.
1839 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1841 * profile.c (output_func_start_profiler): Clear flag_inline_functions
1842 for the duration of the call to rest_of_compilation.
1844 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
1846 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
1848 (sparc*-*-*): Recognize --with-cpu=v9.
1849 * sparc/elf.h: New file.
1850 * sparc/t-elf: New file.
1852 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
1854 * mn10300.c (const_8bit_operand): New function.
1855 (mask_ok_for_mem_btst): New funtion.
1856 * mn10300.md (btst patterns with mem operands): Use new functions
1857 to avoid creating btst instructions with invalid operands.
1859 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
1861 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
1862 are running on PowerPC Linux.
1864 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
1866 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
1867 if not previously defined.
1869 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
1871 * function.c (assign_parms): Correct mode of stack_parm if
1872 entry_parm underwent a mode conversion.
1874 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
1876 * global.c (global_alloc): Use xmalloc instead of alloca for
1877 CONFLICTS, since max_allocno * allocno_row_words alone can be more
1878 than 2.5Mb sometimes.
1880 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
1882 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
1883 DEST for the spill, adjust mode of SRC to compensate.
1885 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
1887 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
1888 since any_memory_operand() allows pseudos during reload.
1889 (reload_inhi, reload_outqi, reload_outhi): Likewise.
1891 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
1893 * m68k.md (btst patterns): Add 5200 support.
1895 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
1897 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
1898 optimizations, look inside dividend to determine if the expression
1899 can be simplified by using EXACT_DIV_EXPR.
1901 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
1904 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
1906 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
1908 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
1910 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
1912 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
1915 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
1917 * alpha.md (movqi, movhi): Make sure new insns created during reload
1918 won't need reloading themselves.
1919 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
1921 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
1923 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
1925 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
1927 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
1928 Patch from Klaus Kaempf <kkaempf@progis.de>.
1930 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
1932 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
1933 to an element in a constant string.
1935 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
1937 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
1938 bit PC-relative offset. The exception range table pointer is now in
1940 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
1941 (count_fdes, add_fdes, get_cie): Adjust.
1942 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
1945 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
1947 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
1949 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
1950 like stack_pointer_rtx.
1952 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
1954 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
1955 targets using "$@" to provide support for similar but not identical
1956 targets without having to duplicate code.
1957 (bootstrap4): New goal.
1959 * Makefile.in (compare, compare-lean, compare3): Combined to one
1960 ruleset determining actions to be performed via $@.
1961 (compare4, compare4-lean): New targets.
1962 (gnucompare, gnucompare3): Combined to one ruleset determining
1963 actions to be performed via $@. Also, note which files failed
1964 the comparison test in .bad_compare.
1965 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
1967 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
1969 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
1970 if the dividend is a multiple of the divisor.
1972 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
1974 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
1976 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
1979 * alias.c (true_dependence): Fix typo.
1981 * toplev.c (flag_rerun_loop_opt): New variable.
1982 (f_options): Handle -frerun-loop-opt.
1983 (rest_of_compilation): If -frerun-loop-opt, then run the loop
1985 (main): Enable -frerun-loop-opt by default for -O2 or greater.
1987 * loop.c (simplify_giv_expr): Adding two invariants results
1990 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
1992 * expr.c (get_inner_reference): Remove the array bias after
1993 converting the index to Pmode.
1995 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
1997 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
1998 (TARGET_MULT_BUG): Define.
1999 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
2000 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
2002 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
2004 * mn10200.c (indirect_memory_operand): Delete unused function.
2005 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
2006 * mn10200.md (bset, bclr insns): Handle output in a reg too.
2008 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
2010 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
2011 the callee's ldgp, we must do it ourselves, and we use the jsr tag
2012 for more than scheduling.
2014 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
2016 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
2018 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
2020 * mn10300.c (symbolic_operand, legitimize_address): New functions.
2021 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
2022 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
2024 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
2026 * version.c: Bump for snapshot.
2028 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2030 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
2033 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
2035 * toplev.c (flag_exceptions): Default value is 2.
2036 (compile_file): If flag_exceptions still has the value 2, then
2039 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
2040 (rs6000_save_machine_status): Save pic_offset_table_rtx.
2041 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
2043 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
2046 * rs6000.md (*movsi_got_internal_mem): New pattern.
2047 (*movsi_got_internal_mem splitter): New define_split.
2049 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
2051 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
2053 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
2055 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
2056 only need to save LR.
2058 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
2060 * mn10300.md (movqi, movhi): Avoid using address registers as
2061 destinations unless absolutely necessary.
2063 * mn10200.c (expand_prologue): Fix typo.
2065 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
2067 * mn10200.md (neghi2): Provide an alternative which works if
2068 the input and output register are the same.
2070 * mn10300.c (print_operand): Handle 'S'.
2071 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
2072 shift amount in last alternative
2074 * mn10300.c (expand_epilogue): Rework to handle register restores
2075 in "ret" and "retf" instructions correctly.
2077 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
2079 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
2080 extzv for memory operands.
2082 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
2083 redundant conditional moves to single operand.
2085 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
2087 * v850.h: Move define of __v850__ from CPP_PREDEFINES
2090 * xm-v850.h: Use __v850 rather than __v850__ to
2093 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
2095 * mips/mips.c (compute_frame_size): Not a leaf function if
2098 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
2100 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
2102 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
2104 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
2105 (DEFAULT_ARCH32_P): New macro.
2106 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
2107 (enum cmodel): Declare.
2108 (sparc_cmodel_string,sparc_cmodel): Declare.
2109 (SPARC_DEFAULT_CMODEL): Provide default.
2110 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
2111 (TARGET_FULLANY): Deleted.
2112 (TARGET_CM_MEDMID): New macro.
2113 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
2114 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
2115 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
2116 (CPP_SPEC): Rewrite.
2117 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
2118 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
2119 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
2120 (ASM_SPEC): Add %(asm_arch).
2121 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
2122 Rename asm_default to asm_cpu_default.
2123 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
2124 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
2125 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
2126 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
2127 (MASK_INT64,MASK_LONG64): Delete.
2128 (MASK_ARCH64): Renamed to MASK_64BIT.
2129 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
2130 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
2131 (TARGET_SWITCHES): Always provide 64 bit options.
2132 (ARCH64_SWITCHES): Delete.
2133 (TARGET_OPTIONS): New option -mcmodel=.
2134 (INT_TYPE_SIZE): Always 32.
2135 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
2136 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
2137 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
2138 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
2139 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
2141 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2142 * sparc/linux.h: Likewise.
2143 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
2144 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
2145 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
2146 (SPARC_DEFAULT_CMODEL): Define.
2147 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
2148 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2149 (LONG_DOUBLE_TYPE_SIZE): Define.
2150 (ASM_SPEC): Add %(asm_arch).
2151 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
2152 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2153 (TARGET_CPU_DEFAULT): Add ultrasparc case.
2154 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
2155 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
2156 (SPARC_DEFAULT_CMODEL): Define.
2157 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
2158 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
2159 MASK_LONG64, MASK_MEDANY.
2160 (SPARC_DEFAULT_CMODEL): Define.
2161 (CPP_PREDEFINES): Delete.
2162 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2163 (ASM_SPEC): Add %(asm_arch).
2164 (LONG_DOUBLE_TYPE_SIZE): Define.
2165 (DWARF2_DEBUGGING_INFO): Define.
2166 * sparc/splet.h (CPP_SPEC): Delete.
2167 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
2168 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
2169 (BLOCK_PROFILER): Likewise.
2170 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
2171 (sparc_override_options): Handle code model selection.
2172 (sparc_init_expanders): Renamed from sparc64_init_expanders.
2173 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
2174 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
2175 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
2176 (sethi_di_fullany): Delete.
2178 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
2179 Jeff Law <law@cygnus.com>
2180 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2182 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
2183 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
2184 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
2185 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
2186 * alpha/alpha.md (arg_home): Likewise.
2188 * alpha/alpha.c (vmskrunch): Delete
2189 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
2190 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
2191 truncate to 64 characters.
2193 * make-l2.com: Support openVMS/Alpha.
2195 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
2197 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2199 * longlong.h (count_leading_zeros): Add missing casts to USItype.
2201 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
2203 * i386/bsd386.h (ASM_COMMENT_START): Define.
2205 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
2207 * tree.c (restore_tree_status): Also free up temporary storage
2208 when we finish a toplevel function.
2209 (dump_tree_statistics): Print stats for backend obstacks.
2211 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
2213 * expr.c (use_group_regs): Don't call use_reg for MEMs.
2215 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
2217 * libgcc2.c (__throw): Don't copy the return address.
2218 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
2220 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
2221 * toplev.c (main): Initialize exceptions_via_longjmp.
2223 * tree.c: Add extra_inline_obstacks.
2224 (save_tree_status): Use it.
2225 (restore_tree_status): If this is a toplevel inline obstack and we
2226 didn't want to save anything on it, recycle it.
2227 (print_inline_obstack_statistics): New fn.
2228 * function.c (pop_function_context_from): Pass context to
2229 restore_tree_status.
2230 * obstack.h (obstack_empty_p): New macro.
2232 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
2234 * i386/freebsd.h (ASM_COMMENT_START): Fix.
2236 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
2238 * v850.c (ep_memory_offset): New function.
2239 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
2241 * v850.h (CONST_OK_FOR_*): Add and correct comments.
2242 (CONSTANT_ADDRESS_P): Add comment.
2243 (EXTRA_CONSTRAINT): Define 'U'.
2244 * v850.md: Add comments on bit field instructions.
2245 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
2246 (lshrsi3): Use N not J constraint.
2248 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
2250 * v850.c (reg_or_0_operand): Call register_operand.
2251 (reg_or_int5_operand): Likewise.
2252 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
2253 (TARGET_SWITCHES): Add "big-switch".
2254 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
2255 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
2256 (CASE_DROPS_THROUGH): Comment out.
2257 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
2258 * v850.md (cmpsi): Delete compare mode.
2259 (casesi): New pattern.
2261 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
2262 * v850.md (ashlsi3): Use SImode not QImode for shift count.
2263 (lshrsi3): Likewise.
2265 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
2266 unreachable switch statement after 'b' support. Remove "b" from
2267 strings for 'b' support.
2268 * v850.md (branch_normal, branch_invert): Change %b to b%b.
2270 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
2272 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
2273 empty line if @inhibit_libc@ is empty.
2275 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
2277 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
2278 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
2279 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
2280 (DWARF2_UNWIND_INFO): Let this track object file format.
2281 (EXTRA_SECTIONS): Add in_eh.
2282 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
2283 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
2285 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
2287 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
2288 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
2290 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
2291 (output_double_int): Output DI mode values correctly when
2292 HOST_BITS_PER_WIDE_INT is 64.
2293 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
2294 fmovd so it works if a quad float ends up in one of the upper 32
2296 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
2297 necessary for PIC support on sparc64.
2299 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
2301 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
2302 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
2303 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
2304 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
2305 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
2306 (SPARC_FP_ARG_FIRST): New macro.
2307 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
2308 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
2309 (NPARM_REGS): There are 32 fp argument registers now.
2310 (FUNCTION_ARG_REGNO_P): Likewise.
2311 (FIRST_PARM_OFFSET): Update to new v9 abi.
2312 (REG_PARM_STACK_SPACE): Define for arch64.
2313 (enum sparc_arg_class): Delete.
2314 (sparc_arg_count,sparc_n_named_args): Delete.
2315 (struct sparc_args): Redefine and use for arch32 as well as arch64.
2316 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
2317 (FUNCTION_ARG_ADVANCE): Rewrite.
2318 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
2319 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
2320 (FUNCTION_ARG_CALLEE_COPIES): Delete.
2321 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
2322 (STRICT_ARGUMENT_NAMING): Define.
2323 (doublemove_string): Declare.
2324 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
2325 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
2326 (doublemove_string): New function.
2327 (output_move_quad): Clean up some of the arch64 support.
2328 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
2329 Don't add 8 bytes of reserved space if arch64.
2330 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
2331 (init_cumulative_args): New function.
2332 (function_arg_slotno): New static function.
2333 (function_arg,function_arg_partial_nregs): New functions.
2334 (function_arg_{pass_by_reference,advance}): New functions.
2335 (function_arg_padding): New function.
2336 * ginclude/va-sparc.h: Rewrite v9 support.
2338 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
2340 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
2341 for hard regs to determine base and index registers.
2343 * reload.c (debug_reload_to_stream): New function. Specify stream
2344 into which to write debug info.
2345 (debug_reload): Modify to call debug_reload_to_stream with stderr.
2347 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
2349 * combine.c (can_combine_p): Don't combine with an asm whose
2350 output is a hard register.
2352 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
2354 * c-decl.c (start_struct): Ensure that structs with forward
2355 declarations are in fact packed when -fpack-struct is given.
2357 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
2358 we are packing a structure. This allows a structure with only
2359 bytes to be aligned on a byte boundary and have no padding on a
2362 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2364 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
2366 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
2368 * alpha.c (alpha_return_addr_rtx): New variable.
2369 (alpha_save_machine_status): New; save it.
2370 (alpha_restore_machine_status): New; restore it.
2371 (alpha_init_expanders): New; clear it.
2372 (alpha_return_addr): New; set it.
2373 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
2374 is overly conservative, so search the insns explicitly.
2375 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
2376 (alpha_sa_size [VMS && !VMS]): Likewise.
2377 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
2378 (INIT_EXPANDERS): New definition.
2380 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
2381 (output_prolog [!VMS]): Use them.
2383 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
2384 (alpha_does_function_need_gp): ... a new function. Refine the
2385 CALL_INSN test to just TYPE_JSR.
2386 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
2388 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
2390 * version.c: Bump for snapshot.
2392 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2394 * pa.c (move_operand): Respect -mdisable-indexing.
2395 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
2397 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
2399 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
2401 (umulsidi3,umulsi3_highpart): Ditto.
2402 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
2404 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
2406 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
2407 (alpha_handle_trap_shadows): ... a new function. Handle the entire
2408 function in one go. Emit RTL for trapb, instead of printf directly.
2409 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
2410 (trap_pending): Kill global variable.
2411 (output_epilog): Don't call final_prescan_insn.
2412 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
2413 * alpha.h (FINAL_PRESCAN_INSN): Remove.
2414 (MACHINE_DEPENENT_REORG): Define.
2415 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
2418 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
2420 Tune Haifa scheduler for Alpha:
2421 * alpha.h (ISSUE_RATE): Define.
2422 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
2423 EV4 adjustments to EV5.
2424 * alpha.md: Remove all scaling from function unit delays. Rework
2425 EV5 function units to match the CPU.
2426 (umuldi3_highpart): EV5 added the IMULH insn class.
2428 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
2430 * pa.c (following_call): Fail if the CALL_INSN is an indirect
2433 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
2435 * cplus-dem.c (demangle_signature): Don't look for return types on
2436 constructors. Handle member template constructors.
2438 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
2440 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
2441 * tree.h: Declare them.
2443 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
2445 * configure.in: Handle --with-newlib.
2446 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
2448 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
2450 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
2452 * config/ptx4.h: Fix typo.
2454 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
2456 * version.c: Bump for snapshot.
2458 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
2460 * aclocal.m4: Substitute INSTALL.
2461 * configure: Re-built.
2463 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
2465 * integrate.c (save_for_inline_copying): Avoid undefined pointer
2467 (expand_inline_function): Likewise.
2469 * dwarf2out.c (output_call_frame_info): Reinstate last change
2470 using flag_debug_asm check instead of flag_verbose_asm.
2472 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
2474 * dwarf2out.c (output_call_frame_info): Remove last change.
2476 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2478 * frame.c (__frame_state_for): Execute the FDE insns until the
2479 current pc value is strictly bigger than the target pc value.
2481 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
2483 * regclass.c (init_reg_modes): If we can't find a mode for the
2484 register, use the previous one.
2486 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
2488 * haifa-sched.c (print_block_visualization): Call fprintf directly,
2489 don't sprintf through an alloca'ed buffer.
2491 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
2493 * reload.c (decompose): Always initialize val.base.
2495 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
2497 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
2498 instead of aborting.
2499 * dwarf2out.c (output_call_frame_info): Call app_enable and
2500 app_disable to let GNU as accept the generated comments.
2502 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
2504 * tree.h (get_file_function_name): Add declaration.
2505 * dwarf2out.c (output_call_frame_info): No need to cast
2506 get_file_function_name call anymore.
2507 * profile.c (toplevel): Remove get_file_function_name
2509 * c-lang.c (finish_file): Ditto.
2511 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
2513 * Makefile.in (program_transform_name): Let autoconf substitute
2516 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
2518 * haifa-sched.c (schedule_block): If the first real insn in a
2519 block has any special notes attached to it, remove them.
2521 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
2523 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
2525 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
2527 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
2529 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
2531 * Makefile.in (check-g77): New test target.
2532 (CHECK-TARGETS): Add check-g77.
2534 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
2536 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
2538 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
2540 * flow.c (print_rtl_with_bb): Cast alloca return value for
2543 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
2545 * i386.h (RETURN_ADDR_RTX): New definition that works for
2546 __builtin_return_address(0) and -fomit-frame-pointer.
2548 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
2550 Bring over from FSF.
2551 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
2553 * mips.c (function_arg): Handle passing a struct
2554 containing a double in a DFmode register without the PARALLEL.
2556 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
2558 * pexecute.c: Use spawn if __CYGWIN32__.
2560 * pexecute.c: Include "config.h" first, as per autoconf manual
2561 (from Paul Eggert <eggert@twinsun.com>).
2563 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
2565 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
2566 optimisation for f/expr.o and f/stb.o.
2568 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
2570 * cse.c (this_insn_cc0_mode): Initialize.
2572 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
2574 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
2576 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
2578 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
2580 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
2581 that pair will dual-issue on the 21164 and plus+beq won't.
2582 (bne): Likewise for cmpeq+beq.
2584 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
2586 * except.c (find_exception_handler_labels): Correct argument to free.
2588 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
2590 * except.c (find_exception_handler_labels): Free LABELS when we're
2593 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
2595 * version.c: Bump for snapshot.
2597 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
2599 * flow.c (find_basic_blocks): Mark calls as potentially jumping
2602 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
2604 * configure.in: Substitute for "install" too.
2605 * configure: Rebuilt.
2607 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
2609 * Makefile.in (bootstrap-lean, compare-lean): New targets.
2611 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
2613 * alias.c (base_alias_check): Two symbols can conflict if they
2614 are accessed via AND.
2615 (memrefs_conflict_p): Likewise.
2617 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
2618 after flushing argument registers to the stack.
2620 * Makefile.in (mostlyclean): Remove .regmove files.
2622 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
2624 * libgcc2.c (__throw): Fix thinko.
2626 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
2628 * cplus-dem.c (demangle_template): Add new parameter. Handle new
2629 template-function mangling.
2630 (consume_count_with_underscores): New function.
2631 (demangle_signature): Handle new name-mangling scheme.
2633 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
2635 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
2638 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
2640 * frame.c: Remove last change.
2641 * dwarf2.h: Remove last change.
2642 * tree.h: Add declarations of DWARF2 unwind info support
2645 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
2647 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
2648 * tree.h (built_in_function): Likewise.
2649 * expr.c (expand_builtin): Likewise.
2650 * except.h: Likewise.
2651 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
2652 * libgcc2.c (copy_reg): New fn.
2655 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
2657 * c-typeck.c (build_binary_op): Warn about comparing signed vs
2658 unsigned if -W is specified and -Wno-sign-compare is not.
2659 * c-decl.c (warn_sign_compare): Initialize to -1.
2660 (c_decode_option): -Wall no longer implies -Wsign-compare.
2662 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2664 * frame.c: Include gansidecl.h for PROTO.
2665 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
2666 defined. Don't declare dwarf2out_cfi_label here.
2667 * dwarf2.h: Add declarations of DWARF2 unwind info support
2669 * m68k.c: Include dwarf2.h.
2670 (output_function_prologue): Add dwarf2 support.
2671 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
2672 (INCOMING_FRAME_SP_OFFSET): Likewise.
2674 * integrate.c (expand_inline_function): Make sure there is at
2675 least one insn that can be used as an insertion point.
2677 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
2679 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
2681 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
2683 * version.c: Bump for snapshot.
2685 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
2687 Bring over from FSF.
2689 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
2691 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
2692 (get_pc_via_rdpc): Renamed from get_pc_sp64.
2693 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
2695 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
2697 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
2698 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
2700 (sparc_align_{loops,jumps,funcs}_string): Declare.
2701 (sparc_align_{loops,jumps,funcs}): Declare.
2702 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
2703 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
2704 (STACK_BIAS): Define.
2705 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
2707 (SPARC_SETHI_P): New macro.
2708 (CONST_OK_FOR_LETTER_P): Use it.
2709 (ASM_OUTPUT_ALIGN_CODE): Define.
2710 (ASM_OUTPUT_LOOP_ALIGN): Define.
2711 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
2712 (sparc_align_{loops,jumps,funcs}): New globals.
2713 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
2715 (move_operand): Use SPARC_SETHI_P.
2716 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
2718 (arith11_double_operand): Likewise.
2719 (arith10_double_operand): Likewise.
2720 (finalize_pic): Finish sparc64 support.
2721 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
2722 64 bit constants if able.
2723 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
2724 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
2726 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
2727 (get_pc_sp32): Use for sparc64 as well.
2728 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
2729 (sethi_di_sp64_const): Likewise.
2730 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
2731 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
2732 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
2734 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
2736 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
2737 * sparc/linux.h (COMMENT_BEGIN): Likewise.
2738 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
2740 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
2742 Add sparc64 linux support.
2743 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
2744 to xm_file list on 32-bit sparc-linux.
2745 * sparc/xm-sp64.h: New file.
2746 * sparc/linux64.h: New file.
2747 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
2748 Don't include xm-sparc.h.
2749 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
2750 * glimits.h (LONG_MAX): Handle sparc64.
2752 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
2754 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
2755 * sparc.h (ASM_COMMENT_START): Define.
2756 * sparc.c (output_function_prologue): Use it.
2757 (sparc_flat_output_function_{epi,pro}logue): Likewise.
2759 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
2761 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
2762 use sparc.h's copies.
2763 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
2766 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2768 * sparc.c (dwarf2out_cfi_label): Add declaration.
2769 (save_regs, output_function_prologue): Remove cast for it.
2770 (sparc_flat_{save_restore,output_function_prologue): Likewise.
2771 ({save,restore}_regs): No longer inline.
2773 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2775 * fold-const.c (make_range): Correctly handle cases of converting
2776 from unsigned to signed type.
2778 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2780 * fold-const.c (merge_ranges): Make sure that if one range is subset
2781 of another, it will always be the second range. Correct (+,-) case to
2784 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
2786 * final.c (final_end_function): Also do dwarf2 thing if
2787 DWARF2_DEBUGGING_INFO.
2788 (final_start_function): Likewise.
2790 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
2792 * expmed.c (expand_divmod): If compute_mode is not the same as
2793 mode, handle the case where convert_modes() causes op1 to no
2794 longer be a CONST_INT.
2796 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
2797 note holding get_jump_flags() calculation to all JUMP_INSNs.
2798 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
2799 * rtl.c (reg_note_name): Add new note types.
2801 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
2803 * rtlanal.c (computed_jump_p): Fix typo in last change.
2805 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2807 * loop.c (indirect_jump_in_function_p): Return 0
2810 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
2812 * rs6000/xm-rs6000.h: Fix thinko in last change.
2813 * rs6000/xm-sysv4.h: Likewise.
2815 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
2817 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
2819 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
2821 * reg-stack.c (find_blocks): Fix thinko in last change.
2823 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2825 * m68k.c (output_function_prologue): Add dwarf2 support.
2827 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
2828 INCOMING_FRAME_SP_OFFSET): New definitions.
2830 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
2832 * combine.c (try_combine): Use NULL_RTX instead of '0' where
2833 appropriate in calls to gen_rtx().
2834 * cse.c (cse_main): Likewise.
2835 * emit-rtl.c (gen_label_rtx): Likewise.
2836 * expr.c (init_expr_once): Likewise.
2837 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
2838 sched_analyze, init_rgn_data_dependences,
2839 compute_block_backward_dependences): Likewise.
2840 * sched.c (schedule_insns): Likewise.
2841 * varasm.c (immed_double_const): Likewise.
2843 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
2844 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
2846 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
2848 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
2849 (MULTILIB_DEFAULTS): Define.
2850 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
2851 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
2852 (LIBGCC_SPEC): Likewise.
2853 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
2854 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
2855 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
2856 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
2857 (EXTRA_PARTS, TAROUTOPTS): Delete.
2858 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
2859 (MULTILIB_OPTIONS): Define.
2860 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
2861 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
2863 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
2865 * version.c: Bump for snapshot.
2867 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
2869 * loop.c (loop_number): Delete function. Change all references
2870 to use uid_loop_num array.
2871 * loop.h (loop_number): Delete declaration.
2872 * unroll.c (unroll_loop): Change "loop_number" references to
2873 use uid_loop_num instead.
2875 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
2877 (loop_unroll_iter): Remove unused variable and all references.
2878 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
2879 (insert_bct): Fix minor formatting problems.
2880 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
2881 (loop_unroll_iter): Removed unused decl.
2882 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
2883 Always record the unrolling factor.
2885 * cse.c (simplify_relational_operation): Set h0u just like h0s.
2886 Similarly for h1u and h1s.
2888 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
2889 (find_basic_blocks): Use computed_jump_p to determine if a
2890 particular JUMP_INSN is a computed jump.
2891 * reg-stack.c (find_blocks): Use computed_jump_p to determine
2892 if a particular JUMP_INSN is a computed jump.
2893 * rtlanal.c (jmp_uses_reg_or_mem): New function.
2894 (computed_jump_p): Likewise.
2895 * rtl.h (computed_jump_p): Declare.
2896 * genattrtab.c (pc_rtx): Define and initialize.
2897 * loop.c (loop_optimize): Always determine if the current
2898 function has a computed jump.
2899 (indirect_jump_in_function_p): Use computed_jump_p to determine
2900 if a particular JUMP_INSN is a computed jump.
2902 * loop.c (fix_bct_param): Delete unused function.
2903 (check_bct_param): Likewise.
2905 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
2907 * frame.c (__deregister_frame): Check properly for initialized object.
2909 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
2911 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
2913 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2915 * jump.c (thread_jumps): check can_reverse_comparison_p before
2916 threading a reversed-condition jump.
2918 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
2919 * haifa-sched.c (update_flow_info): Likewise.
2921 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
2923 * Makefile.in (BOOT_CFLAGS): Use -O2.
2925 * configure.in (strtoul, bsearch): Have autoconf check for these
2927 * configure, config.in: Rebuilt.
2929 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
2930 * mips/mips.h (alloca): Likewise.
2931 * rs6000/xm-rs6000.h (alloca): Likewise.
2932 * rs6000/xm-sysv4.h: Likewise.
2934 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
2936 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
2937 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
2938 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
2940 * except.c (end_eh_unwinder): Subtract 1 from return address.
2941 * libgcc2.c (__throw): Likewise.
2942 (find_exception_handler): Don't change PC here. Compare end with >.
2944 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
2946 * v850.c (compute_register_save_size): Correct register
2948 * v850.md (save_interrupt, return_interrupt): Correct
2950 * v850/lib1funcs.asm (save_interrupt): Correct register number.
2951 (return_interrupt): Use stack pointer, not element pointer.
2953 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
2955 * configure.in, configure: Make sure to create the stage* and include
2956 symbolic links in each subdirectory.
2958 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
2960 * pa.md (reload_peepholes): Don't allow addresses with side
2961 effects for the memory operand.
2963 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
2965 * libgcc2.c (find_exception_handler): Subtract one from our PC when
2966 looking for a handler, to avoid hitting the beginning of the next
2969 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
2971 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
2973 * mips/abi64.h (LONG_MAX_SPEC): Define.
2974 * mips.h (LONG_MAX_SPEC): Define.
2975 (CPP_SPEC): Include long_max_spec.
2976 (EXTRA_SPECS): Include long_max_spec.
2978 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
2980 * v850.c (construct_save_jarl): Fix thinko in last change.
2982 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
2984 * version.c: Bump for snapshot.
2986 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
2988 * libgcc2.c (find_exception_handler): Not found is -1.
2990 * integrate.c (expand_inline_function): Move expand_start_bindings
2991 after expanding the arguments.
2993 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
2995 * expr.c (expand_expr): Remove previous incorrect change.
2996 If target and slot has no DECL_RTL, then call mark_addressable
2997 again for the slot after we give it RTL.
2999 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
3001 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
3002 again for the slot after we give it RTL.
3004 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
3006 * v850.c (register_is_ok_for_epilogue,
3007 pattern_is_ok_for_epilogue, construct_restore_jr,
3008 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
3010 * v850.h (pattern_is_ok_for_prologue,
3011 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
3014 * v850.md: Replace prologue and epilogue patterns with a
3015 match_parallel pattern.
3017 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
3019 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
3020 * configure.in: Use EGCS_PROG_INSTALL.
3022 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
3024 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
3025 extern inline function.
3027 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
3029 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
3030 (concat_loc_descriptor): New function.
3031 (loc_descriptor): Call it.
3032 (add_AT_location_description): Also elide the descriptor if both
3033 halves of a CONCAT are pseudos.
3034 (add_location_or_const_value_attribute): Recognize CONCAT too.
3036 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
3038 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
3040 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
3041 out-or-range reg_offset.
3042 (output_epilog): Likewise.
3044 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
3046 * cse.c (simplify_relational_operation): If MODE specifies a
3047 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
3048 is derived from the sign bit of the low word.
3050 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
3052 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
3054 * dwarf2.h: Add DW_CFA_GNU_args_size.
3055 * frame.c (execute_cfa_insn): Likewise.
3056 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
3057 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
3058 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
3059 insn, hand it off to dwarf2out_stack_adjust.
3060 (dwarf2out_begin_prologue): Initialize args_size.
3061 * frame.h (struct frame_state): Add args_size.
3062 * libgcc2.c (__throw): Use args_size.
3063 * final.c (final_scan_insn): If we push args, hand off all insns
3064 to dwarf2out_frame_debug.
3065 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
3067 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
3068 Handle epilogue restore of SP from FP.
3069 * emit-rtl.c (gen_sequence): Still generate a sequence if the
3070 lone insn has RTX_FRAME_RELATED_P set.
3072 * frame.c (extract_cie_info): Handle "e" augmentation.
3073 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
3074 absence of UNALIGNED_*_ASM_OP.
3075 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
3076 (output_call_frame_info): Use "e" instead of "z" for augmentation.
3077 Don't emit augmentation fields length.
3078 (dwarf2out_do_frame): Move outside of #ifdefs.
3079 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
3082 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
3083 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
3084 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
3085 * sparc/sun4gas.h: New file.
3086 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
3088 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
3089 __register_frame_table and __deregister_frame.
3091 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
3093 * except.c (find_exception_handler_labels): Use xmalloc instead of
3094 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
3097 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
3099 * Makefile.in: Various changes to build info files
3100 in the object tree rather than the source tree.
3102 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
3104 * fixinc.math: New file to fix math.h on some systems.
3105 * configure.in (freebsd, netbsd): Use fixinc.math on these
3107 * configure: Rebuilt.
3109 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
3111 * regmove.c (regmove_optimize): If we end up moving the
3112 original insn due to lifetime overlaps, make sure to move
3115 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
3117 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
3119 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
3121 * haifa-sched.c (add_branch_dependences): Make each insn in
3122 a SCHED_GROUP_P block explicitly depend on the previous insn.
3124 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
3126 * except.h: Prototype dwarf2 hooks.
3129 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
3131 * configure.in (native_prefix): Delete.
3132 (mips-dec-netbsd): Don't set prefix.
3133 (*linux*): Don't set prefix.
3135 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
3137 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
3138 defined. If not defined, include <sys/varargs.h> if
3139 HAVE_SYS_VARARGS_H is defined.
3140 * configure.in: Test for varargs.h and sys/varargs.h.
3141 * configure: Regenerate with autoconf.
3142 * config.in: Regenerate with autoheader.
3144 * cpplib.c (quote_string): Cast first arg of sprintf call
3145 from "unsigned char *" to "char *".
3146 (output_line_command): Ditto.
3147 (macroexpand): Ditto.
3148 (do_line): Cast atoi arg from "unsigned char *" to "char *".
3150 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
3152 * version.c: Bump for snapshot.
3154 * Makefile.in (compare): Exit with nonzero status if there
3155 are comparison failures. Note which files failed the
3156 comparison test in .bad_compare.
3158 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3160 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
3162 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
3164 * Makefile.in (LN, LN_S): New macros, use where appropriate.
3165 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
3166 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
3167 * configure: Regenerated.
3169 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
3171 * loop.c (strength_reduce): Fix typo.
3173 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
3175 * m88k/m88k.c (struct option): Rename to struct options.
3176 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
3177 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
3178 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
3179 __DOLPHIN__ or sysV88.
3181 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
3183 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
3186 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
3188 * config.sub: Accept 'amigados' for backward compatability.
3190 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3192 * Makefile.in (testsuite/site.exp): New target.
3193 (check-gcc, check-g++): Depend on testsuite/site.exp.
3194 Don't stop for failure.
3196 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
3198 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
3199 if DWARF2_UNWIND_INFO.
3201 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
3203 Add support for exception handling using DWARF 2 frame unwind info.
3204 Currently works on SPARC and MIPS, and almost on x86.
3206 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
3207 next_stack_level, in_reg_window): Helper fns.
3208 (__throw): Implement for DWARF2_UNWIND_INFO.
3210 * expr.c (expand_builtin): Handle builtins used by __throw.
3211 * tree.h (enum built_in_function): Add builtins used by __throw.
3212 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
3213 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
3214 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
3215 (expand_builtin_extract_return_addr): Likewise.
3216 (expand_builtin_frob_return_addr): Likewise.
3217 (expand_builtin_set_return_addr_reg): Likewise.
3218 (expand_builtin_eh_stub): Likewise.
3219 (expand_builtin_set_eh_regs): Likewise.
3220 (eh_regs): Choose two call-clobbered registers for passing back values.
3222 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
3223 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
3224 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
3225 (stmp-multilib): Likewise.
3226 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
3228 * except.c: #include "defaults.h".
3229 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
3230 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
3231 (register_exception_table_p): New fn.
3232 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
3233 (end_eh_unwinder): Likewise.
3235 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
3236 call __register_frame and __deregister_frame as needed.
3237 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
3238 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
3239 EH_FRAME_SECTION_ASM_OP.
3240 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
3241 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
3242 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
3244 * dwarf2out.c (output_call_frame_info): If no support for
3245 EXCEPTION_SECTION, mark the start of the frame info with a
3247 * collect2.c (frame_tables): New list.
3248 (is_ctor_dtor): Recognise frame entries.
3249 (scan_prog_file): Likewise.
3250 (main): Pass -fno-exceptions to sub-compile. Also do collection
3251 if there are any frame entries.
3252 (write_c_file_stat): Call __register_frame_table and
3253 __deregister_frame as needed.
3254 (write_c_file_glob): Likewise.
3256 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
3257 Also require unaligned reloc support.
3258 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3259 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
3260 * sparc/sysv4.h: Not here.
3262 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
3263 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
3264 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
3266 * libgcc2.c (L_eh): Reorganize, moving code shared by different
3267 EH implementations to the top.
3268 (find_exception_handler): Split out. Start from 0. Compare against
3270 (__find_first_exception_table_match): Use it.
3271 * except.c (output_exception_table): Don't do anything if there's
3272 no table. Don't output a first entry of zeroes.
3273 (eh_outer_context): Adjust properly.
3274 (add_eh_table_entry): Use xrealloc.
3275 * toplev.c (compile_file): Just call output_exception_table.
3277 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
3279 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
3281 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
3283 * except.c (eh_outer_context): Do masking using expand_and.
3285 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
3287 Add port done awhile ago for the ARC cpu.
3288 * arc/arc.h: New file.
3289 * arc/arc.c: New file.
3290 * arc/arc.md: New file.
3291 * arc/initfini.c: New file.
3292 * arc/lib1funcs.asm: New file.
3293 * arc/t-arc: New file.
3294 * arc/xm-arc.h: New file.
3295 * ginclude/va-arc.h: New file.
3296 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
3297 * ginclude/varargs.h: Likewise.
3298 * Makefile.in (USER_H): Add va-arc.h.
3299 * configure.in (arc-*-elf*): Recognize.
3300 * longlong.h: Add ARC support.
3302 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
3304 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
3305 when clearing non-BLKmode data.
3307 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
3309 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
3310 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
3312 * xm-m88k.h (USG): Only define if it hasn't already been defined.
3314 * Makefile.in (risky-stage1): Delete gratutious whitespace.
3316 * Makefile.in (clean): Delete libgcc1-test.
3318 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
3320 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
3322 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
3325 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3327 * dwarf2out.c (output_call_frame_info): Call named_section.
3329 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
3331 * haifa-sched.c (print_value): Fix last change.
3333 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
3335 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
3338 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
3340 * mips.c (function_prologue): Set up the CFA when ABI_32.
3342 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
3343 for dwarf2 unwind info.
3344 (output_function_prologue, sparc_flat_output_function_prologue): Same.
3346 * final.c (final_end_function): Check dwarf2out_do_frame instead
3347 of DWARF2_DEBUG for dwarf2 unwind info.
3348 (final_scan_insn): Likewise.
3349 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
3352 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
3355 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
3357 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
3359 * v850.h (ASM_SPEC): Pass on target processor.
3360 (CPP_PREDEFINES): Only define if not already specified.
3361 (TARGET_VERSION): Only define if not already specified.
3362 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
3364 (EXTRA_SWITCHES): Extra entries in the switches array.
3365 (TARGET_DEFAULT): Set default target processor.
3367 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
3369 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
3370 cases, add %# and %/, and add : to make them into extended asms.
3372 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
3374 * alias.c (init_alias_analysis): Clean up incompatible pointer
3375 type warning in bzero.
3376 * regmove.c (regmove_optimize): Ditto.
3377 * haifa-sched.c (find_rgns): Ditto.
3379 * haifa-sched.c (print_value): Clean up ptr->int cast
3382 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
3384 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
3385 * install.texi (Configurations): Ditto.
3386 * config.sub: Ditto.
3388 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
3390 * Makefile.in (sdbout.o): Depend on insn-config.h.
3392 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
3394 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
3395 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
3397 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
3399 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
3400 prologue insn, only the first elt is significant.
3401 (output_call_frame_info): For exception handling, always use 4-byte
3402 fields as specified by the dwarf2 spec.
3403 Don't skip trivial FDEs.
3405 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
3407 * version.c: Bump for snapshot.
3409 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
3411 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
3412 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
3415 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
3417 * final.c (shorten_branches): During first pass, assume worst
3418 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
3420 * Makefile.in (distclean): Remove various things left around
3421 by running the testsuite.
3423 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
3425 * configure.in (out_file): Emit definition to config.status in order
3426 to have a defined value for configure.lang.
3427 * configure: Re-built.
3429 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
3431 * configure.in: Make symlink to as-new rather than as.new. Similarly
3433 * configure: Rebuilt.
3435 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
3437 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
3439 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
3441 * sparc/sparc.md: Add ultrasparc scheduling support.
3442 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
3444 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
3446 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
3447 as initial value for real_label_map.
3448 (copy_for_inline): Likewise.
3450 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3452 * sched.c (update_flow_info) When looking if to set found_split_dest
3453 or found_orig_dest, look at all parts of a PARALLEL.
3454 * haifa-sched.c (update_flow_info): Likewise.
3456 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
3458 * v850: New directory for v850 port.
3459 * v850/lib1funcs.asm: New file.
3460 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
3461 * ginclude/va-v850.h: New file.
3462 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
3463 * configure.in (mn10200-*-*): New target.
3464 * configure: Rebuilt.
3465 * config.sub: Handle v850-elf.
3466 * Makefile.in (USER_H): Add va-mn10200.h.
3467 * invoke.texi: Document v850 stuff.
3469 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
3471 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
3472 has integer TYPE_{MAX,MIN}_VALUE before using them.
3474 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
3475 __HPUX_ASM__ versions.
3477 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
3479 * install.sh: Delete duplicate install script.
3481 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
3483 * reg-stack.c (subst_stack_regs): Pop the stack register for a
3484 computed goto which sets the same stack register.
3486 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
3487 destination are both on the regstack.
3488 (subst_stack_regs_pat): Put the destination at the top of the regstack.
3490 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
3492 * mips.md (nonlocal_goto_receiver): Define.
3494 * profile.c (output_arc_profiler): Check next_insert_after for non
3495 NULL before deferencing it.
3497 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
3499 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
3501 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
3503 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
3505 * toplev.c (rest_of_compilation): For passes starting with
3506 flow_analysis, use print_rtl_with_bb instead of print_rtl.
3508 * print-rtl.c (print_rtl_single): Print a single rtl value to a
3511 * flow.c (print_rtl_with_bb): Print which insns start and end
3512 basic blocks. For the start of a basic block, also print the live
3515 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
3517 * toplev.c (main): Change #elif to #else/#ifdef
3519 * tlink.c: Include ctype.h.
3520 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
3522 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
3524 * bitmap.c: Conditionally include stdlib.h.
3525 (free): Provide a declaration if NEED_DECLARATION_FREE.
3527 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
3529 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
3531 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
3533 * profile.c (output_arc_profiler): Verify next_insert_after is an
3534 INSN before and after skipping a stack pop.
3536 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3538 * final.c (shorten_branches): Don't count the lengths of deleted
3541 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
3543 * version.c: Bump for snapshot.
3545 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
3547 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
3548 two bitmaps ANDed together.
3549 (bitmap_print): Declare.
3551 * bitmap.c (function_obstack): Don't declare any more.
3552 (bitmap_obstack): Obstack for allocating links from.
3553 (bitmap_obstack_init): New static to say whether to initialize
3555 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
3556 (bitmap_release_memory): Free all memory allocated from
3559 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
3560 EXECUTE_IF_AND_IN_BITMAP.
3562 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
3564 * alias.c (true_dependence): Address with AND can alias scalars.
3565 (anti_dependence, output_dependence): Likewise.
3567 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
3569 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
3571 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
3572 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
3573 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
3574 definitions. Use -qrtems instead of -mrtems.
3576 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
3578 * xm-sco5.h (sys_siglist): Define.
3579 (SYS_SIGLIST_DECLARED): Likewise.
3581 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
3583 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
3585 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
3587 * except.c (eh_outer_context): Expand masking operation using
3590 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
3592 * alpha.md (floatdisf2-1): New pattern.
3594 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
3596 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
3597 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
3598 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
3599 * gcc.texi: Note that if you define sys_siglist that you should
3600 also define SYS_SIGLIST_DECLARED.
3602 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
3603 are relative to the next instruction, not the current instruction.
3605 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
3607 * local-alloc.c (contains_replace_regs): New function.
3608 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
3609 verify that there is no existing REG_EQUIV note, and add a call to
3610 contains_place_regs.
3612 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3614 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
3615 (STARTFILE_SPEC): Always use crtbegin.o%s
3616 (ENDFILE_SPEC): Always use crtend.o%s.
3618 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
3620 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
3622 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
3623 SFmode for 64 bit hosts.
3625 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
3627 * fixincludes: Permits spaces between # and define. Discard C++
3628 comments in sys/pci.h on HP/UX 10.20.
3630 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
3632 * version.c: Bump for snapshot.
3634 * pa.c (restore_unscaled_index_insn_codes): New function.
3635 (record_unscaled_index_insn_codes): Likewise.
3636 (output_function_prologue): Call restore_unscaled_index_insn_codes.
3637 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
3638 (pa_reorg): Call record_unscaled_index_insn_codes.
3640 * haifa-sched.c (move_insn): Handle notes correctly for insns
3641 with SCHED_GROUP_P set.
3643 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3645 * alpha/xm-linux.h (USE_BFD): Undef before define.
3647 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
3649 * cse.c (cse_insn): Don't record BLKmode values.
3651 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
3653 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
3655 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
3657 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
3658 * collect2.c (sys_errlist): Likewise.
3659 * cpplib.c (sys_errlist): Likewise.
3660 * gcc.c (sys_errlist): Likewise.
3661 * protoize (sys_errlist): Likewise.
3662 * configure.in: Check for strerror.
3663 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
3664 * xm-gnu.h (HAVE_STRERROR): Likewise.
3665 * xm-linux.h (HAVE_STRERROR): Likewise.
3666 * xm-netbsd.h (HAVE_STRERROR): Likewise.
3667 * xm-bsd386.h (HAVE_STRERROR): Likewise.
3668 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
3669 * xm-dos.h (HAVE_STRERROR): Likewise.
3670 * xm-mingw32.h (HAVE_STRERROR): Likewise.
3671 * xm-pa.h (HAVE_STRERROR): Likewise.
3672 * xm-papro.h (HAVE_STRERROR): Likewise.
3673 * xm-sysv4.h (HAVE_STRERROR): Likewise.
3674 * configure, config.in: Rebuilt.
3676 * Makefile.in: Add several missing "else true" clauses.
3678 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
3679 * mips-tfile.c: Likewise.
3680 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
3681 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
3682 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
3683 * configure.in: Check for sys_siglist declaration.
3684 * configure, config.in: Rebuilt.
3686 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
3688 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
3689 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
3690 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
3691 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
3692 * rs6000/sysv4.h (extra_subtarget_switches): Added new
3693 macro EXTRA_SUBTARGET_SWITCHES.
3694 * configure.in (sh*-*-rtems*): New target.
3695 * sh/rtems.h: New file.
3696 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
3697 * configure: Rebuilt.
3699 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
3701 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
3703 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
3705 * rs6000.md: Make DF fused-add operations pay attention to
3708 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
3710 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
3712 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
3714 * pa.md (reload_peepholes): Make sure operand is a REG before
3715 examining REGNO. Allow general registers too.
3717 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
3719 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
3721 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
3723 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
3724 to reallocate abbrev_die_table.
3726 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
3728 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
3730 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3732 * Makefile.in (config.status): Depend on version.c
3734 * expr.h (insn_gen_function): Reenable prototype.
3736 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
3739 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
3741 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
3743 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
3745 * version.c: Bump for latest snapshot.
3747 * bc-optab.c: Conditionally include stdlib.h.
3748 (free): Provide a declaration if NEED_DECLARATION_FREE.
3749 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
3750 * rtl.h (free): Remove declaration.
3751 * tree.h (free): Remvoe declaration.
3753 * configure: Rebuilt.
3755 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
3757 * flags.h (flag_move_all_movables): Declare.
3758 (flag_reduce_all_givs): Likewise.
3759 * loop.c (move_movables): Handle flag_move_all_movables.
3760 (strength_reduce): Handle flag_reduce_all_givs.
3761 * toplev.c (flag_move_all_movables): Define.
3762 (flag_reduce_all_givs): Likewise.
3763 (f_options): Add -fmove-all-movables and -freduce-all-givs.
3764 * invoke.texi: Document new options, including alias stuff that
3765 wasn't included last time.
3767 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
3769 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
3772 * t-vxworks68: Ditto.
3773 * t-vxworks960: Ditto.
3776 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
3778 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
3779 if not already defined, and USE_C_ALLOCA not defined.
3781 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
3783 * config.guess: Replace with script that uses ../config.guess.
3785 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
3786 if USE_GNULIBC_1 is not defined.
3788 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
3790 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
3791 * config.guess: Recognize alpha-linux-gnulibc1.
3792 * configure.in (alpha-*-linux-gnulibc1): New target.
3793 (alpha-*-linux-gnu*): Don't build crtbegin/end.
3795 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
3797 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
3800 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
3802 * loop.c (combine_movables): Earlier insns don't match later ones.
3804 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3806 * config/linux.h (CC1_SPEC): Define it only if not defined.
3808 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
3811 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
3812 USE_GNULIBC_1 is not defined.
3814 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
3816 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
3817 as 1 if USE_GNULIBC_1 is not defined.
3819 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
3821 * reorg.c (dbr_schedule): Allow current_function_return_rtx
3822 to be something other than a REG.
3823 * function.c (expand_function_end): Fix current_function_return_rtx
3826 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
3827 * x-netbsd: Likewise
3828 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
3829 (INSTALL_HEADERS): Delete.
3830 * x-dguxbcs: Likewise.
3831 * x-hp3bsd44: Likewise
3834 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3836 * i386.md (pop): pop increments the stack pointer.
3837 (prologue_set_stack_ptr): New pattern.
3838 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
3841 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
3843 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
3844 address where an offsettable address is required.
3846 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
3848 * loop.c (check_final_value): Don't miss a biv increment in a
3851 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
3853 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
3854 TYPE_DECL_IS_STUB instead of DECL_NAME.
3856 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3858 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
3860 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
3862 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
3864 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
3866 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
3867 (find_post_sched_live): Likewise.
3869 * haifa-sched.c (schedule_block): Remove old code to get arguments
3870 from hard regs into pseudos early.
3872 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
3874 * version.c: Bump for new snapshot.
3876 * local-alloc.c (update_equiv_regs): All the target to reject
3877 promotion of some REG_EQUAL to REG_EQUIV notes.
3878 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
3880 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
3883 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
3884 store of the argument registers.
3886 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
3888 * fold-const.c (multiple_of_p): New function.
3889 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
3891 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
3893 * expr.h (insn_gen_function): Temporarily remove prototype.
3895 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
3897 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
3898 filenames. Use sed to extract base filename for install.
3900 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
3902 * unroll.c (find_splittable_givs): Only share if two givs have the
3903 same add and multiply values.
3905 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
3907 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
3908 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
3910 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
3912 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
3913 around branch tables.
3914 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
3915 and .end_brtab directives if TARGET_GAS.
3917 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
3919 * alias.c (true_dependence): Pass x_addr not x to varies.
3921 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
3922 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
3923 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
3925 * config.in, configure: Regenerate.
3927 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
3929 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
3931 (record_set): Handle LO_SUM like PLUS.
3932 (init_alias_analysis): When following chains of base addresses,
3933 do not stop on reaching a hard register.
3935 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
3937 * version.c: Bump for new snapshot.
3939 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
3941 * alpha.h (ARCH_ASM_FILE_START): Define.
3942 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
3943 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
3945 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
3947 * Makefile.in (install-common): Put gcov comment at start of line.
3949 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
3951 * alias.c (init_alias_analysis): When simplifying the reg_base_value
3952 array, simplify entries for hard registers too.
3954 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
3956 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
3959 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
3961 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
3962 block_stack before dereferencing it.
3964 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
3966 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
3968 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
3970 * cplus-dem.c: Add 'extern' to prepends_underscore.
3972 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
3974 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
3975 (get_issue_rate): Delete.
3976 * pa.h (ISSUE_RATE): Define.
3978 * configure.in: Turn on haifa by default for the PA.
3979 * configure: Rebuilt.
3980 * pa.c (override_options): Accept -mschedule=7200 option.
3981 (pa_adjust_cost): No longer need to scale costs for newer
3983 * pa.h (enum processor_type): Add PROCESSOR_7200.
3984 * pa.md: Revamp scheduling parameters to work better with
3985 haifa. Add scheduling parameters for the 7200.
3987 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
3989 (schedule_block): When adjusting basic_block_{head,end}, account
3990 for movement of SCHED_GROUP_P insns too.
3992 * haifa-sched.c (debug_dependencies): Fix thinko.
3994 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
3995 (site.exp, check, check-g++, check-gcc): New targets.
3997 * haifa-sched.c: Make lots of variables static.
3999 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4001 * expr.h, real.h: Finish prototyping.
4003 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
4005 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
4006 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
4007 * reload1.c: Undo bugfix from Aug 11.
4009 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
4011 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
4012 quotes around the name.
4013 * configure: Regenerate.
4015 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
4017 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
4019 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
4021 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
4022 to sub-makes to avoid building more passes than the user might have
4023 requested on the command line.
4025 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
4027 * configure.in: Expurgate `broken_install' (install is
4030 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
4033 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
4035 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
4036 functions and declarations.
4037 (analyze_loop_iterations): Use condjump_p.
4038 (insert_bct): Likewise. Use exact_log2.
4040 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
4042 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
4043 (schedule_region): Likewise.
4044 (schedule_insns): Likewise.
4046 * PROJECTS: Update with Haifa stuff.
4048 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
4050 * version.c: Change the version string to look like:
4051 egcs-2.90.00 970814 (gcc2-970802 experimental).
4053 * loop.c (is_conditional_branch): Make definition match declaration.
4055 * gcc.c: Take out experimental snapshot warning message.
4057 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
4059 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
4060 print out the names of the notes. Print out the name of the insn
4061 that is not a note, and not an {,CALL_,JUMP_}INSN.
4063 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
4065 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
4066 again for the slot after we give it RTL.
4068 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
4070 * configure.in (haifa configury): Fix typo.
4071 * configure: Regenerate.
4073 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
4075 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
4077 * gcc.info*: Rebuilt.
4079 * COPYING.g77, README.g77: New files.
4080 * real.c (ereal_unto_float, ereal_unto_double): New functions.
4081 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
4082 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
4084 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
4086 * Integrate Haifa instruction scheduler.
4087 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
4088 to sched with $(SCHED_CFLAGS.
4089 * configure.in: Handle --enable-haifa.
4090 * configure: Rebuilt.
4091 * flags.h: Add new flags for haifa instruction scheduler.
4092 * genattrtab.c (expand_units): For haifa, don't subtract one
4093 when computing blockage.
4094 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
4095 (flag_schedule_speculative): Ditto.
4096 (flag_schedule_speculative_load): Ditto.
4097 (flag_schedule_speculative_load_dangerous): Ditto.
4098 (flag_schedule_reverse_before_reload): Ditto.
4099 (flag_schedule_reverse_after_reload): Ditto.
4100 (flag_branch_on_count_reg): Ditto.
4101 (f_options): Add Haifa switches.
4102 (main): Turn off some Haifa options if appropriate macro is
4103 defined. Process Haifa switches.
4104 * unroll.c (iteration_info): No longer static, since Haifa
4106 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
4107 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
4108 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
4109 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
4110 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
4111 storage for the Haifa scheduler.
4112 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
4114 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
4115 are defined, call analyze_loop_iterations and insert_bct to use
4117 (record_giv): Refine test for jumps out of loops if HAIFA is
4119 (analyze_loop_iterations): New function to identify if we can use
4121 (insert_bct): Insert countdown loop.
4122 (instrument_loop_bct): Low level code to insert countdown loop.
4123 (loop_number): Calculate UID of loop.
4124 (indirect_jump_in_function_p): Return true if an indirect jump is
4126 (is_power_of_2): Return true if value is a power of 2.
4127 (is_conditional_branch): Return true if insn is a conditional
4129 (fix_bct_param): Process -fbct-{min,max}-N switches.
4130 (check_bct_param): Return true if loop should be instrumented.
4131 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
4132 (loop_optimize): Initialize.
4133 (get_condition_for_loop): Ditto.
4134 * loop.c (strength_reduce): Inside of code that uses #ifdef
4135 HAVE_decrement_and_branch_on_count code, test it to make sure the
4137 (instrument_loop_bct): Ditto.
4138 * haifa-sched.c: New file.
4141 * Integrate regmove pass.
4142 * Makefile.in (OBJS): Add regmove.o
4143 (regmove.o): Add dependencies.
4144 * flow.c (find_use_as_address): No longer static.
4145 * rtl.h (find_use_as_address): Declare.
4146 * toplev.c (regmove_dump, flag_regmove): Define.
4147 (f_options): Add -fregmove.
4148 (regmove_dump_file, regmove_time): Define.
4149 (fatal_insn): Close the regmove dump file.
4150 (compile_file): Initialize regmove_time; open/close the regmove dump
4151 file as needed. Print regmove time as needed.
4152 (rest_of_compilation): Run regmove pass if requested, dump
4153 RTL after regmove if requested.
4154 (main): If -O2 or more, turn on regmove. Handle dump switches.
4155 * regmove.c: New file.
4157 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
4159 * Integrate tlink patch from jason@cygnus.com
4160 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
4161 (process_command): Increment n_switches for them. Don't discard
4162 their args. Validate them.
4163 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
4165 (process_command): Set include_prefixes from COMPILER_PATH.
4166 (main): Set COLLECT_GCC_OPTIONS sooner.
4167 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
4168 * tlink.c, hash.c, hash.h: New files.
4169 * Makefile.in (USE_COLLECT2): Always use collect2.
4170 (collect2): Depend on and link in hash.o and tlink.o.
4171 (tlink.o, hash.o): Add dependencies.
4173 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
4175 * Integrate alias analysis changes from jfc@mit.edu
4176 * Makefile.in (OBJS): Add alias.o
4177 (alias.o): Add dependencies.
4178 * alias.c: New file.
4179 * sched.c: Remove alias analysis code. It lives in alias.c now.
4180 (sched_analyze_2): Add new arguments to true_dependence.
4181 (schedule_insns): Always call init_alias_analysis.
4182 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
4183 mark return value from such functions as a pointer and keep track of
4184 them for alias analysis. If a return value from a function is a
4185 pointer, mark it as such.
4186 * combine.c (distribute_notes): Handle REG_NOALIAS.
4187 * cse.c (struct write_data): Delete. No longer needed.
4188 (invalidate): Don't call set_nonvarying_address_components anymore.
4189 Use true_dependence to decide if an entry should be removed from
4191 (invalidate_memory): Remove WRITES argument, simplify appropriately.
4193 (note_mem_written): Similarly for WRITE_PTR argument.
4194 (invalidate_from_clobbers): Similarly for W argument.
4195 (invalidate_for_call): Remove memory elements from the hash table.
4196 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
4197 (cse_rtx_varies_p): New function. Derived from old
4198 cse_rtx_addr_varies_p.
4199 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
4200 Don't call note_mem_written anymore. Stack pushes invalidate the stack
4201 pointer if PUSH_ROUNDING is defined. No longer need to call
4202 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
4203 (skipped_writes_memory): Remove variable.
4204 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
4205 (invalidate_skipped_block): Simplify for new alias analysis code.
4206 (cse_set_around_loop): Likewise.
4207 (cse_main): Call init_alias_analysis.
4208 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
4209 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
4210 (f_options): Add new alias checking arguments.
4211 (main): Set flag_alias_check when optimizing.
4212 * local_alloc (validate_equiv_mem_from_store): Add new arguments
4214 (memref_referenced_p): Likewise.
4215 * loop.c (NUM_STORES): Increase to 30.
4216 (prescan_loop): Only non-constant calls set unknown_address_altered.
4217 (invariant_p): Add new arguments to true_dependence.
4218 (record_giv): Initialize unrolled and shared fields.
4219 (emit_iv_add_mult): Call record_base_value as needed.
4220 * loop.h (struct induction): Add unrolled and shared fields.
4221 * unroll.c (unroll_loop): Call record_base_value as needed.
4222 (copy_loop_body): Likewise.
4223 (final_biv_value): Likewise.
4224 (final_giv_value): Likewise.
4225 (find_splittable_regs): Likewise. Only create one new pseudo
4226 if we have multiple address GIVs that were combined with the same
4227 dst_reg GIV. Note when a new register is created due to unrolling.
4228 * rtl.c (reg_note_name): Add REG_NOALIAS.
4229 * rtl.h (enum reg_note): Similarly.
4230 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
4231 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
4232 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
4233 (true_dependence, read_dependence, anti_dependence): Likewise.
4234 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
4235 (mark_user_reg, mark_reg_pointer): Likewise.
4238 * Integrate reload bugfix from Wilon which enables the PA port
4240 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
4241 OPERAND_ADDRESS when computing how many registers an insn needs.
4242 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
4244 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
4246 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
4247 in reload_reg_use_in_op_addr do not reach the end.
4248 do not reach the end.
4249 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
4250 RELOAD_FOR_OPERAND_ADDRESS.
4252 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
4254 * egcs project officially starts.