1 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
3 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
4 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
6 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
8 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
9 a CONST_INT into SFmode.
11 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
13 * flags.h: New flag (optimize_size).
14 * toplev.c (main): Parse -Os option and set optimize_space
16 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
17 __OPTIMIZE_SIZE__ when compiling with -Os.
18 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
19 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
20 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
22 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
24 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
26 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
27 stuff only if MCT_TEXT is #define'd.
29 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
31 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
34 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
36 * toplev.c: Add -dM command line option to dump RTL after the
37 machine dependent reorganisation pass, if there is one.
38 Reorganise RTL dump code, so that only one file handle is
41 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
43 * except.c (check_exception_handler_labels): Disable warning when
46 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
48 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
50 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
52 * c-decl.c (grokdeclarator): Get parameter tags from
53 last_function_parm_tags.
54 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
55 traversing the parameter types.
56 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
58 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
60 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
62 (get_shift_alg): Fix typo.
64 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
66 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
68 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
70 * toplev.c (get_run_time): Make sure each case gets its variables.
72 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
74 * configure.in (build_xm_file): Add auto-config.h if host=build.
75 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
76 (build_xm_file_list): Likewise.
79 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
81 * recog.c (validate_replace_rtx_1): Only perform substitutions
82 of arguments to commutative and comparison operators once.
84 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
86 * sparc.c (output_cbranch): Add default case in
89 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
90 (emit_delay_sequence): Eliminate unused parameter, all callers
92 (fill_simple_delay_slots): Likewise.
93 (fill_slots_from_thread): Likewise.
94 (fill_eager_delay_slots): Likewise.
95 (mark_referenced_resources): Add default case in enumeration switch.
96 (mark_set_resources): Likewise.
97 (rare_destination): Likewise.
98 (mostly_true_jump): Likewise.
99 (find_dead_or_set_registers): Likewise.
100 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
101 (update_reg_unused_notes): Remove unused variable `p'.
102 (mark_target_live_regs): Remove unused variables `next' and
104 (fill_simple_delay_slots): Remove unused variable `j'.
105 (fill_slots_from_thread): Add parentheses around assignment used
107 (dbr_schedule): Likewise.
109 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
110 (objc.stage2, objc.stage3, objc.stage4): Likewise.
112 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
114 * cse.c (simplify_ternary_operation): Don't try to simplify
115 IF_THEN_ELSE expressions (created by combine) that don't use
116 relational operators.
118 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
120 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
123 * crtstuff.c (init_dummy): Keep the epilogue in the init
124 section for non-ELF systems.
126 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
128 * sh.md (movqi_i+1): New peephole.
130 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
132 * Makefile.in: Remove remaining bytecode stuff.
133 * emit-rtl.c, expr.c: Likewise.
135 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
137 * toplev.c (lang_options): Add unknown-pragma options.
139 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
141 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
142 special (and incomplete) handling for Chill arrays.
144 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
146 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
149 Fri Jan 23 00:19:36 1998 Gavin Kock (gavin@cygnus.com)
151 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
153 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
155 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
156 .frame directive instead of FRAME_POINTER_REGNUM.
158 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
160 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
161 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
162 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
163 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
164 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
165 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
166 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
167 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
169 * longlong.h: Replace __mc68332__ with __mcpu32__.
171 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
173 * version.c: Bump for snapshot.
175 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
177 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
178 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
179 * reload1.c (eliminate_regs): Likewise.
181 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
183 * regmove.c (find_matches): Initialize matches->earlyclobber too.
185 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
187 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
188 (negsf2, negdf2): Use proper subtract in IEEE mode.
190 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
192 * Makefile.in: Remove more bytecode stuff.
193 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
194 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
195 * f/install.texi, objc/Make-lang.in: Likewise.
197 * Makefile.in: Remove all bytecode support.
198 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
199 * emit-rtl.c: Remove all bytecode support.
200 * expr.c, expr.h function.c, integrate.c: Likewise.
201 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
202 * tree.h, varasm.c: Likewise.
203 * config/m68k/m68k.h: Likewise.
204 * bi-*, bc-*, bytecode*: Delete bytecode related files.
205 * modemap.def: Likewise.
207 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
209 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
210 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
212 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
214 * i386.md (push): Prohibit symbolic constants if flag_pic.
215 (movsi+1): Likewise for move to non-register.
217 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
219 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
220 (print_operand): Handle 0xffffffff on 32 bit host.
222 * configure.in (thread_file): Rename uses before main loop to
223 target_thread_file. Initialize to empty in main loop. Set thread_file
224 to target_thread_file after main loop if not set.
225 * configure: Rebuild.
227 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
228 (add_values_to_cover): Revert last change (which had no ChangeLog
230 (simplify_with_current_value_aux): Handle CONST_INT.
232 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
234 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
236 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
238 * configure.in: Add cpp stringify test.
239 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
240 * gengenrtl.c: Use it.
241 * configure, config.in: Rebuild.
243 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
245 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
247 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
249 * configure.in: Find declaration for sbrk.
250 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
251 * config.in, configure: Rebuild.
252 * mips-tfile.c: Properly protect declaration of sbrk and free.
253 * toplev.c: Properly protect declaration of sbrk.
255 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
257 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
259 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
261 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
263 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
265 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
267 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
269 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
270 constant offset computations from objects with known alignment in
271 the presence of STACK_BIAS.
273 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
275 (const_hash): Hash val is unsigned long.
278 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
280 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
281 char pointer, not HOST_WIDE_INT.
282 (print_node): Likewise. Also hash is unsigned long not
285 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
287 * explow.c (optimize_save_area_alloca): New function for targets
288 where SETJMP_VIA_SAVE_AREA is true.
289 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
290 compute the amount of stack space needed should we find later that
291 setjmp is never called by this function, stuff rtl for this inside
292 a REG_NOTE of the final SET of stack_pointer_rtx.
293 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
294 current_function_calls_alloca, call optimize_save_area_alloca.
296 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
298 * i386.md: Remove redundant integer push patterns.
299 Don't bother checking for TARGET_PUSH_MEMORY when
300 pushing constants or registers.
302 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
303 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
305 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
306 (pwait): New function for mingw32.
308 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
309 pipe support is broken for now.
311 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
313 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
314 between frame_pointer_rtx, hard_frame_pointer_rtx, and
315 arg_pointer_rtx is respected in initialization.
316 (init_emit_once): Use gen_rtx_raw_REG() to create
317 return_address_pointer_rtx.
319 * reorg.c: #include "expr.h" for rtx prototypes.
320 * Makefile.in (reorg.o): Depend on expr.h
322 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
324 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
325 local_prefix to sub-make invocations.
327 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
329 * objc-parse.c: Recognize protocol qualifiers in class definitions.
331 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
335 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
336 * configure.in: Check for atol.
337 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
339 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
341 * loop.c (find_and_verify_loops): When attempting to move insns from
342 inside the loop outside the loop, create a BARRIER if no suitable
345 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
346 favor of an equivalent change from gcc-2.8.
348 * i386/x-sco5 (CC): Remove trailing whitespace.
350 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
352 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
353 (accessor_from_format): Likewise.
354 (xmalloc): New function for use when linking with alloca.o.
356 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
358 * frame.c (find_fde): Correct FDE's upper bound.
360 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
362 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
364 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
366 * calls.c (expand_call): Move #ifdef code out of macro argument
368 (emit_library_call, emit_library_call_value): Likewise.
370 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
372 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
374 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
376 * version.c: Bump for snapshot.
378 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
380 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
381 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
382 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
383 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
384 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
385 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
386 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
387 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
388 * unroll.c, varasm.c: Likewise.
389 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
391 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
393 * mips.h: Fix some type-o's from a previous change.
395 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
397 * loop.c (check_dbra_loop): Make sure initial value is a
398 CONST_INT before trying to normalize it.
400 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
402 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
404 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
406 * cppexp.c: Include gansidecl.h
408 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
410 * svr4.h (LINK_SPEC): Never specify -h.
411 * ptx4.h (LINK_SPEC): Likewise.
412 * rs6000/sysv4.h (LINK_SPEC): Likewise.
413 * sparc/sol2.h (LINK_SPEC): Likewise.
415 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
417 * c-typeck.c (comptypes): Exit early on NULL input.
419 * haifa-sched.c (schedule_insns): Correctly remove inter-block
420 dependencies after reload.
422 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
424 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
426 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
428 * alpha/vms.h (DIR_SEPARATOR): define
430 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
432 * Makefile.in (stamp-proto): Remove.
433 (protoize.o, unprotoize.o): Straightforward compile.
434 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
436 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
438 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
439 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
441 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
443 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
444 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
445 * sparc/netbsd.h, vax/netbsd.h: Likewise.
447 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
449 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
451 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
453 * configure.in (target_cpu_default, target_cpu_default2): Use double
454 quotes around them when testing their value.
455 * configure: Rebuilt.
457 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
459 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
461 (gendef): Call obstack_alloc_rtx.
463 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
465 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
468 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
470 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
471 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
472 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
474 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
476 * mips.md (return_internal): Change mode from SImode to VOIDmode.
478 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
480 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
483 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
485 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
486 suffix from operand 3.
488 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
489 Jeffrey A Law (law@cygnus.com)
491 * regmove.c: New implementation of regmove pass.
492 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
493 decls, make them have external linkage. Return a value from
495 * reload.h (count_occurrences): Add decl.
496 * reload1.c (count_occurrences): Delete decl, make it have external
498 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
500 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
502 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
503 if it is not defined.
505 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
507 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
508 * emit-rtl.c (gen_rtx): Move special code to ...
509 (gen_rtx_CONST_INT): New function.
510 (gen_rtx_REG): New function.
511 (*): Update all calls to gen_rtx.
512 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
513 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
514 (GEN_INT): Call gen_rtx_CONST_INT.
515 * gengenrtl.c: New file.
517 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
519 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
520 (base_alias_check): If no base found for address call canon_rtx and
523 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
525 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
526 arguments for mips16.
527 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
528 Don't lose if tsize is zero after handling large stack for mips16.
529 * mips.md (return): For trivial return, return address is in $31.
531 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
533 * mips/mips16.S: Various changes to make it work with -msingle-float
536 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
537 Ian Lance Taylor <ian@cygnus.com>
538 Jeff Law <law@cygnus.com>
540 * mips.c, mips.h, mips.md: First cut at merging in mips16
541 support. Major modifications throughout all three files.
543 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
545 * configure.in: Make gthr-default.h a forwarding header instead of
548 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
550 * gcov-io.h: Include sys/types.h to ensure we get size_t.
552 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
554 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
555 Jeffrey A Law (law@cygnus.com)
557 * crtstuff.c (__frame_dummy): New function for irix6.
558 (__do_global_ctors): Call __frame_dummy for irix6.
559 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
561 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
563 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
565 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
567 * c-decl.c (init_decl_processing): Provide proper fallback symbol
568 for __builtin_memset.
569 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
570 not INTEGER_CST. Assert arg 3 is a constant.
572 * alpha.c (mode_width_operand): Accept 64-bit modes.
573 (mode_mask_operand): Likewise.
574 (print_operand): Likewise for 'M' and 'U' codes.
575 (alpha_expand_unaligned_load): New function.
576 (alpha_expand_unaligned_store): Likewise.
577 (alpha_expand_unaligned_load_words): Likewise.
578 (alpha_expand_unaligned_store_words): Likewise.
579 (alpha_expand_block_move): Likewise.
580 (alpha_expand_block_clear): Likewise.
581 * alpha.h (MOVE_RATIO): New define.
582 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
583 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
585 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
586 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
588 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
590 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
593 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
595 * emit-rtl.c (operand_subword): Correctly handle extracting a word
596 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
598 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
601 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
603 * configure.in: Set and subsitute host_exeext. Use it when creating
604 the assembler and linker symlinks.
605 * configure: Rebuild.
606 * Makefile.in (exeext): Set to @host_exeext@.
607 (build_exeext): New variable, set to @build_exeext@.
608 (FLAGS_TO_PASS): Pass down build_exeext.
609 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
612 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
614 * mn10200.md (addsi3, subsi3): Fix thinkos.
616 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
618 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
619 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
620 unix always, since we want to be able to thunk to functions in a
621 shared library from an application.
623 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
625 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
626 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
628 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
630 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
631 offset's mode is not ptr_mode, convert it.
633 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
635 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
636 compiling if it was already defined.
638 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
640 * flow.c (find_basic_blocks): Don't create a new basic block
641 for calls in a LIBCALL block.
643 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
645 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
647 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
649 * cse.c (rtx_cost): Remove conflicting default case.
651 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
653 * configure.in: Move default enabling of Haifa out of for loop.
654 * configure: Rebuild.
656 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
658 * version.c: Bump for snapshot.
660 1997-12-25 Teemu Torma <tot@trema.com>
662 * Makefile.in (GTHREAD_FLAGS): New var.
663 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
664 (distclean): Remove gthr-default.h.
666 * configure.in: Accept dce as a thread package.
667 Check for thread.h and pthread.h.
668 Link gthr-default.h to appropriate thread file and set
670 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
671 include multilib definitions from pa/t-dce-thr.
672 (sparc-*-solaris2*): Enable threads by default, if thread.h or
673 pthread.h is found, preferring posix threads over solaris ones.
675 * config/pa/t-dce-thr: New file.
676 * config/pa/t-pa: Removed multilibs.
677 * config/sparc/t-sol2: Ditto.
680 * gthr-single.h: New file.
681 * gthr-posix.h: New file.
682 * gthr-solaris.h: New file.
683 * gthr-dce.h: New file.
684 * libgcc-thr.h: Removed.
685 * objc/thr-dce.c: New file copied from thr-decosf1.c.
687 * frame.c: Include gthr.h instead of libgcc-thr.h.
688 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
689 (eh_context_initialize): If __gthread_once fails, use static eh
691 (eh_context_free): Call __gthread_key_dtor.
693 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
695 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
697 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
699 * cse.c (max_insn_uid): New variable.
700 (cse_around_loop): Use max_insn_uid.
701 (cse_main): Set max_insn_uid.
703 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
704 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
705 -mlong64, and -mgp{32,64} options.
706 * mips.c (mips_abi): Change type to int.
707 * mips.h (enum mips_abi_type): Delete.
708 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
709 (mips_abi): Change type to int.
711 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
713 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
714 optimization is now always enabled.
716 * calls.c (expand_call): Recognize C++ operator new as malloc-like
719 * alias.c (memrefs_conflict_p): Eliminate tests now done by
721 (*_dependence): Call canon_rtx before base_alias_check.
722 (init_alias_once): New function to precompute set of registers which
723 can hold Pmode function arguments.
725 * rtl.h: Declare init_alias_once.
727 * toplev.c (compile_file): Call init_alias_once.
729 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
731 * tree.c (restore_tree_status): Do not dereference a null pointer.
733 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
735 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
736 RLIMIT_STACK. This maintains consistency with the recent, similar
737 patch to cccp.c and toplev.c.
739 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
741 * genattrtab.c (expand_units): For large nr opclasses, expand
742 function_units_used with ORX to prevent blowups. Tag with FFS.
743 (num_unit_opclasses): New variable.
744 (gen_unit): Update it.
745 (enum operator): Add ORX_OP.
746 (operate_exp): Treat ORX as or, except don't expand across an if.
747 Reuse number rtx's after operating on them.
748 (check_attr_value): Accept IOR, AND, & FFS.
749 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
750 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
751 (write_expr_attr_cache, write_toplevel_expr): New functions.
752 (write_attr_get): Handle FFS-tagged expressions.
753 (make_canonical): Don't expand const attributes.
754 (convert_const_symbol_ref): Dike out.
755 (evaluate_eq_attr): Handle SYMBOL_REF.
756 (main): Don't emit get_attr_foo for const attributes.
758 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
759 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
760 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
761 * alpha.md: Redo all of the scheduling, adding EV6 support, and
762 combining function units where possible.
763 (attr "type"): Split loads, stores, cmov into int/fp. Combine
764 multiplies and divides. Add EV6 sqrt, ftoi, itof.
765 (attr "opsize"): New attribute.
766 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
767 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
768 to control register allocation.
769 (movsi2-1, movdi2-1): Likewise.
771 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
773 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
774 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
775 Move OSF/1 specific defines out.
776 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
777 Move Linux specific defines out.
778 (LINK_SPEC): Genericize.
779 (ASM_FILE_START): Emit .arch if using more than the base insn set.
780 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
781 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
782 (HANDLE_SYSV_PRAGMA): Define.
783 * alpha/osf.h: New file.
784 * alpha/linux.h: Split. Retain file-format independant defines.
785 Import Linux bits from elf.h.
786 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
787 (FUNCTION_PROFILER): _mcount takes its address in $28.
788 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
789 * alpha/linux-ecoff.h: New file.
790 * alpha/linux-elf.h: New file.
791 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
792 * alpha/win-nt.h (TARGET_DEFAULT): Define.
793 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
794 Add new headers as appropriate.
796 * configure.in (alpha*): Enable Haifa by default.
797 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
798 * configure: Rebuild.
800 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
802 * Makefile.in (clean): Remove the stages with their objects here ...
803 (distclean): ... instead of here.
805 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
807 * cse.c (rtx_cost): Add default case in enumeration switch.
808 * fix-header.c (recognized_macro): Likewise.
809 (recognized_extern): Likewise.
810 (write_rbrac): Likewise.
811 * objc/objc-act.c (encode_aggregate): Likewise.
812 (gen_declarator): Likewise.
813 (gen_declspecs): Likewise.
815 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
817 * haifa-sched.c (create_reg_dead_note): Detect and handle another
818 case where we kill more regs after sched than were killed before
820 * sched.c (create_reg_dead_note): Similarly.
822 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
824 * c-pragma.c: Include flags.h.
826 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
828 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
829 about system headers.
830 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
831 and also to resolve symbols in prefix.c.
833 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
834 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
835 when the definitions in auto-config.h is not visible.
836 (HAVE_BZERO): Likewise.
837 (HAVE_BCMP): Likewise.
838 (HAVE_RINDEX): Likewise.
839 (HAVE_INDEX): Likewise.
841 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
843 * pa.c (emit_move_sequence): Handle a function label source
846 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
848 * c-pragma.c (handle_pragma_token): Generate warning messages
849 about unknown pragmas if warn_unknown_pragmas is set.
851 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
852 line option to set variable: warn_unknown_pragmas.
854 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
856 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
858 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
860 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
862 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
863 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
864 generate more fine grained floating point emulation libraries.
865 * config/fp-bit.c: Add protecting #ifdef to all functions so
866 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
867 then compile all suitable functions.
868 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
869 underscores to avoid namespace pollution.
870 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
872 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
876 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
877 Jeff Law <law@cygnus.com>
879 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
881 * c-decl.c (finish_decl): Use parentheses around && within ||.
882 * rtl.c: Include stdlib.h.
883 (read_skip_spaces): Add parentheses around assignments used as
885 (read_rtx): Initialize list_rtx.
886 * cppexp.c (parse_number): Use || when operands are truth values.
887 * alias.c (find_base_value): Add default case.
888 (memrefs_conflict): Likewise.
889 * combine.c (sets_function_arg_p): Likewise.
890 * genemit.c (gen_exp): Likewise.
891 * local-alloc.c (contains_replace_regs): Likewise.
892 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
893 * fold-const.c (fold_convert): Use "&&" for truth values.
894 (fold): Add default case.
895 * sdbout.c (sdbout_field_types): Fix typo in declaration.
896 (sdbout_one_type): Add default case.
897 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
898 (some_operand): Add default case.
899 (input_operand): Likewise.
900 (signed_comparison_operator): Likewise.
901 (divmod_operator): Likewise.
902 (alpha_set_memflags_1): Likewise.
903 * reload1.c (reload_cse_simplify_operands): Ensure function
904 always returns a value.
905 * scan-decls.c (scan_decls): Likewise.
906 * c-lex.c (skip_white_space): Fix typo in declaraion.
907 * c-typeck.c (comp_target_types): Add parentheses around assignment
909 (print_spelling): Likewise.
910 (constructor_implicit, constructor_result): Remove unused variables.
911 * collect2.c (scan_library): Protect prototype with
912 #ifdef SCAN_LIBRARIES.
913 * emit-rtl.c (find_line_note): Fix typo in declaration.
914 * final.c (asm_insn_count): Protect prototype with
915 #ifdef HAVE_ATTR_length.
916 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
917 (try_pre_increment_1, try_pre_increment): Likewise.
918 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
919 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
920 * gcov-io.h (__store_long, __write_long, __read_long): Fix
921 unsigned/signed comparisons.
922 * gcov.c (read_files): Remove unused "first_type" variable.
923 (scan _for_source_files): Initialize s_ptr.
924 (function_summary): Eliminate "%lf" formatting, use %ld for
926 (output_data): Initialize branch_probs and last_line_num.
927 Eliminate "%lf" formatting, use "%ld" for longs.
929 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
931 * mips16.S: New file.
933 * libgcc2.c (varargs): Handle mips16.
935 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
937 * stmt.c (expand_end_case): Likewise.
938 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
939 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
940 * rs6000.h, sh.h, tahoe.h, v850.h vax.h z8k.h: Likewise.
942 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
944 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
946 (libobjc.a): Update dependency list.
947 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
949 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
950 (objc.mostlyclean): Remove runtime-info.h.
952 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
954 * tree.c (build_range_type): Allow creation of ranges with no maximum.
955 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
956 * dwarf2out.c (add_subscript_info): Likewise.
957 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
958 * sdbout.c (plain_type_1): Likewise.
959 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
961 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
964 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
966 * mips.c (fatal): Remove declaration.
968 1997-12-18 Mark Mitchell <mmitchell@usa.net>
970 * integrate.c (get_label_from_map): New function.
971 (expand_inline_function): Use it. Initialize the label_map to
972 NULL_RTX instead of gen_label_rtx.
973 (copy_rtx_and_substitute): Use get_label_from_map.
974 * integrate.h (get_label_from_map): New function.
975 (set_label_from_map): New macro.
976 * unroll.c (unroll_loop): Use them.
977 (copy_loop_body): Ditto.
979 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
981 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
982 (INIT_TARGET_OPTABS): Define.
983 * mips/ecoff.h: Include gofast.h before mips.h.
984 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
985 * mips/elf64.h: Likewise.
986 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
988 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
990 * except.c: Remove register_exception_table{,_p}.
992 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
994 * unroll.c (calculate_giv_inc): Handle constant increment found in
995 a MEM with an appropriate REG_EQUAL note.
997 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
999 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
1000 frame pointer in the prologue.
1002 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
1004 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
1005 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
1007 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
1009 * config/m68k/m68k.c (output_function_prologue): Typecast
1010 dwarf2out_cfi_label to (char *).
1011 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
1013 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
1015 * sparc.md (jump): Don't use the annul bit around an empty loop.
1016 Patch from Kevin.Kelly@East.Sun.COM.
1018 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
1020 * jump.c: (jump_optimize): Don't use the return register as a
1021 source1 of a conditional move.
1023 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
1025 * sparc.c (DF_MODES): Or the mask not the bit number.
1026 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
1028 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
1030 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
1032 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
1034 * fixincludes (size_t): Add support for Motorola's stdlib.h
1035 which fails to provide a definition for size_t.
1036 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
1037 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
1038 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
1040 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
1041 prevent unresolved externals in libio.
1042 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
1044 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
1046 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
1047 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
1048 (LIB_SPEC): Updated for glibc 2.
1050 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
1052 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
1053 * ginclude/varargs.h: Likewise.
1055 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
1057 * version.c: Bump for snapshot.
1059 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
1061 * frame.h (__register_frame, __register_frame_table,
1062 __deregister_frame): New.
1063 * frame.c (__register_frame, __register_frame_table,
1064 __deregister_frame): New.
1065 * frame.c (__deregister_frame_info): Return void *.
1066 * frame.h (__deregister_frame_info): Ditto.
1067 * collect2.c (__deregister_frame_info): Ditto.
1069 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
1071 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
1073 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
1075 * alpha.c (alpha_cpu_name): New variable.
1076 (alpha_mlat_string): Likewise.
1077 (alpha_memory_latency): Likewise.
1078 (override_options): Handle -mmemory-latency.
1079 (alpha_adjust_cost): Adjust load cost for latency.
1080 * alpha.h (TARGET_OPTIONS): Add meory-latency.
1081 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
1082 TARGET_CIX into account.
1083 (MEMORY_MOVE_COST): Define in terms of memory_latency.
1084 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
1086 * alpha.h (ASM_COMMENT_START): New macro.
1088 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
1090 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
1091 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
1093 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
1094 SUBREG_REG if the word count is unchanged.
1095 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
1096 subregs of identical word size for push_reload.
1098 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
1100 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
1101 if all we're doing is dealing with -Wreturn-type.
1103 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
1105 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
1106 Use and 255 instead of zapnot 1, since it schedules better.
1108 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
1110 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
1113 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
1115 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
1116 dependency we delete. Properly update prev for multiple consecutive
1118 (priority): Skip deleted dependence.
1120 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
1122 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
1124 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1126 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
1127 determining when a new basic block starts.
1129 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
1131 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
1132 * pa.md (iorsi3): Add missing args to *_operand calls.
1134 * except.c (call_get_eh_context): Don't mess with sequences.
1135 (emit_eh_context): Include the call in the sequence here.
1137 1997-12-11 Paul Eggert <eggert@twinsun.com>
1139 * collect2.c (write_c_file_glob): Allocate initial frame object
1140 in static storage and pass its address.
1142 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1144 * except.c (call_get_eh_context): Don't take a parm.
1145 Put the call at the top of the function.
1146 (emit_eh_context): Adjust.
1147 (get_eh_context): Replace with former use_eh_context.
1148 (get_eh_context_once, get_saved_pc_ref): Remove.
1149 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
1151 * integrate.c (expand_inline_function): Adjust.
1152 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
1154 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
1156 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
1157 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
1159 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
1161 * fixincludes (strlen,strspn,strcspn return value): Handle different
1163 (hypot): Provide a fake for hypot which is broken on
1164 m88k-motorola-sysv3.
1166 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
1168 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
1169 tree_code_name from pointers to arrays.
1170 * tree.c: Remove standard_tree_code_* variables, no longer used.
1171 * print-tree.c: Remove declaration of tree_code_name.
1173 * cp/lex.c (init_lex): Update for tree_code_* changes.
1174 * objc/objc-act.c (init_objc): Likewise.
1176 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
1179 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
1181 * config.sub: Add support for BeOS target.
1182 * configure.in: Likewise.
1183 * ginclude/stdarg.h: Likewise.
1184 * ginclude/stddef.h: Likewise.
1185 * ginclude/varargs.h: Likewise.
1186 * rs6000/beos.h: New file for BeOS.
1187 * rs6000/t-beos: Likewise.
1188 * rs6000/x-beos: Likewise.
1189 * rs6000/xm-beos.h: Likewise.
1190 * toplev.c (get_run_time): Just return 0 on BeOS.
1192 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
1193 Toon Moene (toon@moene.indiv.nluug.nl)
1195 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
1196 old and broken Sun3 assemblers. Newer versions handle large
1197 offsets correctly as does the GNU assembler.
1199 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1201 * objc/objc-act.c (lang_report_error_function): Disable.
1202 * objc/objc-parse.y: Include "output.h".
1203 (yyerror): Remove redundant decl.
1204 (yyprint): Fix prototype.
1205 (apply_args_register_offset): Remove redundant decl.
1206 (get_file_function_name): Likewise.
1208 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
1210 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
1212 (find_basic_blocks_1): Likewise.
1214 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1216 * except.c (use_eh_context): Don't copy_rtx a REG.
1217 (emit_throw): Lose old unwinder support.
1218 (expand_internal_throw): Likewise.
1219 * libgcc2.c (struct eh_context): Likewise.
1220 (new_eh_context): Likewise.
1221 (__get_eh_info): Lose redundant cast.
1222 (__get_dynamic_handler_chain): Likewise.
1223 (__get_saved_pc): Lose.
1224 Lose all old unwinder support code.
1226 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
1228 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
1230 * integrate.c (expand_inline_function): If the inline fn uses eh
1231 context, make sure that the current fn has one.
1232 * toplev.c (rest_of_compilation): Call emit_eh_context.
1233 * except.c (use_eh_context): New fn.
1234 (get_eh_context_once): New fn.
1235 (call_get_eh_context): New fn.
1236 (emit_eh_context): New fn.
1237 (get_eh_context): Call either get_eh_context_once or
1238 call_get_eh_context, depending on what we have.
1239 (get_dynamic_handler_chain): Call get_eh_context_once.
1240 * except.h: Prototypes for fns above.
1241 * optabs.c (get_eh_context_libfunc): Removed.
1242 (init_optabs): Don't initialize it.
1243 * expr.h (get_eh_context_libfunc): Removed.
1244 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
1245 * config/pa/pa.h (CPP_SPEC): Support for -threads.
1246 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
1247 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
1248 New multilib for -threads.
1249 * config/sparc/t-sol2: Added multilibs for -threads and
1250 made -pthreads alias to it.
1251 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
1252 Added -threads and -pthreads options.
1253 * libgcc-thr.h: New file.
1254 * libgcc2.c: (__get_cpp_eh_context): Removed.
1255 (struct cpp_eh_context): Removed.
1256 (struct eh_context): Replaced cpp_eh_context with generic language
1258 (__get_eh_info): New function.
1259 (__throw): Check eh_context::info.
1261 * libgcc2.c: Include libgcc-thr.h.
1262 (new_eh_context, __get_eh_context,
1263 eh_pthread_initialize, eh_context_initialize, eh_context_static,
1264 eh_context_specific, eh_context_free): New functions.
1265 (get_eh_context, eh_context_key): New variables.
1266 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
1267 get_eh_context to get the context.
1268 (longjmp): Move the declaration inside
1269 #ifdef DONT_USE_BUILTIN_SETJMP.
1270 * frame.c: Include libgcc-thr.h.
1271 (object_mutex): Mutex to protect the object list.
1272 (find_fde, __register_frame, __register_frame_table,
1273 __deregister_frame): Hold the lock while accessing objects.
1274 * except.h (get_eh_context): Declare.
1275 * except.c (current_function_ehc): Define.
1276 (current_function_dhc, current_function_dcc): Removed.
1277 (get_eh_context): New function.
1278 (get_dynamic_handler_chain): Use get_eh_context.
1279 (get_saved_pc_ref): Ditto.
1280 (get_dynamic_cleanup_chain): Removed references to
1281 current_function_dcc.
1282 (save_eh_status, restore_eh_status): Save and restore
1283 current_function_ehc instead.
1284 * optabs.c (get_eh_context_libfunc): New variable.
1285 (init_optabs): Initialize it.
1286 * expr.h: Declare get_eh_context_libfunc.
1287 * function.h (struct function): Replaced dhc and dcc with ehc.
1288 * except.c (get_saved_pc_ref): New functions.
1289 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
1290 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
1292 (end_eh_unwinder): Likewise.
1293 (init_eh): Remove initialization of eh_saved_pc.
1294 * optabs.c (get_saved_pc_libfunc): New variable.
1295 (init_optabs): Initialize it.
1296 * expr.h: Declare get_saved_pc_libfunc.
1297 * except.h (eh_saved_pc_rtx): Deleted.
1298 (get_saved_pc_ref): Declared.
1300 From Scott Snyder <snyder@d0sgif.fnal.gov>:
1301 * libgcc2.c (__get_saved_pc): New.
1302 (__eh_type, __eh_pc): Deleted.
1303 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
1304 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
1307 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
1309 * sparc/sol2.h: Use 64 bit multiply and divide functions in
1310 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
1313 * rtl.h (global_rtl): New variable, replacing separate variables for
1315 (const_int_rtx): Now array of rtx_def, not rtx.
1316 * emit-rtl.c: Update for new rtl data structures.
1317 * genattrtab.c: Define global_rtl.
1319 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
1321 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
1324 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
1326 * crtstuff.c (__do_global_ctors): Fix typo.
1328 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
1330 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
1331 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
1333 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
1335 * rs6000.h (FUNCTION_ARG_PADDING): Define.
1336 * rs6000.c (function_arg_padding): New function.
1338 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
1340 * m68k.c: Include tree.h only once.
1342 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1344 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
1346 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
1348 * Partially cleaned up prototyping code from HJ.
1349 * tree.h: Add many prototypes.
1350 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
1351 All references changed.
1352 * rtl.h: Protect from multiple inclusions. Add many prototypes.
1354 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
1356 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
1357 string functions like strlen.
1359 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
1361 * configure.in: Check for functions getrlimit and setrlimit.
1362 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
1363 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
1365 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
1367 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
1369 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
1371 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
1374 * alpha.c (override_options): Don't know about scheduling for EV6.
1375 * alpha.md (ev5 function units): Don't overload as ev6.
1377 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
1378 * alpha.md (define_attr type): Add mvi.
1379 (ev5_e0): Define sceduling parameters for it.
1380 (TARGET_MAX insns): Type is mvi not shift.
1382 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
1384 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
1386 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1388 * cstamp-h, auto-config.h: Delete.
1390 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
1392 * version.c: Bump for snapshot.
1394 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
1396 * cccp.c: Fix typo brought over in merge.
1398 * Merge in changes from gcc-2.8.
1400 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
1402 * m68k.c: Include tree.h for dwarf2out_cfi_label.
1404 * gcc.c (process_command): Do not take address of function fatal when
1405 calling lang_specific_driver.
1407 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
1409 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
1410 doesn't work with it yet, so set it to 0.
1411 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
1413 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
1415 * cse.c (cse_insn): Check for invalid entries when taking references.
1417 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1419 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
1420 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
1421 * toplev.c (rest_of_compilation): Pass it. Remove code to
1422 save / clear / restore flag_unroll_{,all_}loops.
1424 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
1426 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
1428 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
1430 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
1432 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
1434 * except.c (get_dynamic_handler_chain): Only make the call once per
1437 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
1439 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1441 * sh.c (final_prescan_insn): Use local label prefix
1442 when emitting .uses pseudo-ops.
1444 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
1446 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
1447 * except.c: Lose outer_context_label_stack.
1448 (expand_eh_region_end): Rethrow from outer_context here.
1449 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
1450 (expand_internal_throw): Take no args.
1451 (expand_internal_throw_indirect): Lose.
1452 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
1453 (expand_start_all_catch): Start a rethrow region.
1454 (expand_end_all_catch): End it.
1455 (expand_rethrow): New fn.
1456 * except.h: Reflect above changes.
1457 * flow.c: Revert change of Nov 27.
1459 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
1461 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
1463 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
1465 * except.c (expand_fixup_region_end): New fn.
1466 (expand_fixup_region_start): Likewise.
1467 (expand_eh_region_start_tree): Store cleanup into finalization here.
1468 * stmt.c (expand_cleanups): Use them to protect fixups.
1470 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
1472 * mips/mips.md (muldi3_r4000): Broaden the output template
1473 and attribute assignments to handle three operand dmult;
1474 rename to muldi3_internal2.
1475 (muldi3): Call the new muldi3_internal2 for R4000, and
1476 any GENERATE_MULT3 chip.
1478 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
1480 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
1482 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
1484 * unroll.c (find_splittable_givs): Remove last change. Handle givs
1485 with a dest_reg that was created by loop.
1487 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
1489 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
1491 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
1493 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
1495 * configure.in: Fix NCR entries.
1497 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
1499 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
1500 nested exceptions correctly.
1502 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
1503 that was created by loop.
1505 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
1507 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
1509 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
1511 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
1513 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
1514 (print_operand): Use SMALL_DATA_REG for the register involved in
1515 small data relocations.
1516 (print_operand_address): Ditto.
1518 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
1519 -dynamic linker is not used.
1521 * rs6000.md (call insns): For local calls, use @local suffix under
1522 System V. Don't use @plt under Solaris.
1524 * rs6000.c (output_function_profiler): Put label address in r0, and
1525 store LR in 4(sp) for System V/eabi.
1527 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
1528 byte boundary, and maintain stack backchain.
1530 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
1532 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
1533 fix_truncsfdi2): Change *.
1535 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
1537 * toplev.c (main): Complain about -gdwarfn.
1539 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
1541 * dwarfout.c (output_type): If finalizing, write out nested types
1542 of types we've already written.
1544 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
1546 (patches originally from Geoffrey Keating)
1547 * rs6000.c (function_arg): Excess floating point arguments don't
1548 go into GPR registers after exhausting FP registers under the
1550 (function_arg_partial_nregs): Ditto.
1552 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
1555 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
1557 * integrate.c (output_inline_function): Just unset DECL_INLINE.
1559 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
1561 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
1564 * libgcc2.c (__throw): Initialize HANDLER.
1566 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
1568 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
1569 fix_truncsfdi2): Change *X to ?*X.
1571 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
1573 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
1575 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
1577 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
1579 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
1581 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
1583 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
1585 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
1586 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
1589 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
1591 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
1592 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
1593 gas and not using the new HP assembler.
1595 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
1597 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
1598 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
1600 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
1602 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
1603 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
1606 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1608 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
1610 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
1612 * except.h: Add outer_context_label_stack.
1613 * except.c: Likewise.
1614 (expand_start_all_catch): Push the outer_context for the try block
1615 onto outer_context_label_stack.
1616 (expand_end_all_catch): Use it and pop it.
1618 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
1620 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
1622 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
1624 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
1626 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
1628 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
1629 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
1631 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
1633 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
1634 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
1635 __builtin_delete, and __builtin_vec_delete.
1637 * except.c (output_exception_table): Don't bother with
1640 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
1642 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
1643 is an in/out operand.
1644 (zero extended variants of stwm/stwm patterns): Similarly.
1646 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
1648 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
1650 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
1652 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
1653 (output_call_frame_info): Emit a \n after using it.
1655 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
1657 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
1659 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
1661 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
1662 (ASM_OUTPUT_DWARF_VALUE4): New macro.
1663 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
1665 (output_call_frame_info): Do not output forward label differences
1666 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
1667 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
1669 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1671 * sh.md (attribute "type"): Add nil.
1672 (movsi_ie): y/y alternative is type nil.
1673 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
1675 (movsf_ie+1): Delete.
1677 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
1679 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
1680 large_int, emit two insns instead of one splitable insn.
1681 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
1682 from cfa_temp_value, use cfa_offset. Add assert checking that
1685 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
1687 * cccp.c (deps_output): Properly quote file names for make.
1689 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
1691 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
1693 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
1695 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
1697 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
1699 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
1701 (cse_end_of_basic_block): Similarly.
1703 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
1705 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
1706 (SELECT_RTX_SECTION): Define.
1707 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
1709 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
1711 * Makefile.in (compare, compare-lean): Define $stage for each
1713 (gnucompare, gnucompare-lean): Likewise.
1715 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
1717 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
1719 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
1720 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
1722 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
1724 * dwarfout.c (byte_size_attribute): Add local var upper_bound
1725 and add case to handle STRING_TYPE.
1726 * dwarfout.c (output_string_type_die): Fix code to generate
1727 correct string length attribute for fixed length strings.
1728 Still needs support for varying length strings.
1730 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
1732 * toplev.c (get_run_time): Do something sensible for cygwin32.
1734 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
1736 * expr.c (expand_builtin_setjmp): Set
1737 current_function_has_nonlocal_label.
1738 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
1739 call-saved registers across calls.
1741 * alpha.md (exception_receiver): Remove.
1742 (nonlocal_goto_receiver_osf): New
1743 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
1744 (nonlocal_goto_receiver): New, select _osf or _vms.
1746 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
1747 keep them from being propogated to the object file.
1748 (alpha_write_linkage): Likewise.
1749 * alpha.md (call_vms): Likewise.
1750 (call_value_vms): Likewise.
1751 (unnamed osf call insns): Likewise.
1753 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
1754 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
1756 * alpha.c (call_operand): Any reg is valid for WinNT.
1757 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
1758 (anon nt calls): Add 'R' alternative.
1759 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
1760 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
1762 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
1764 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
1766 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
1767 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
1768 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
1770 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
1772 * reload1.c (new_spill_reg): Improve fixed or forbidden register
1773 spill error message.
1775 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1777 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
1778 use varargs.h. Wrap header with <>, not "".
1780 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
1782 * integrate.c (save_for_inline_copying): Add return value from
1785 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
1787 * fixincludes: Be a little more restrictive on what we will
1788 substitute to replace definitions of MAXINT for HPUX.
1790 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
1792 * dbxout.c (dbxout_symbol_location): Don't assume that variables
1793 whose address is the stack or argument pointers are indirect
1796 1997-11-13 Paul Eggert <eggert@twinsun.com>
1798 * cccp.c, cpplib.c (compare_defs):
1799 Don't complain about arg name respellings unless pedantic.
1800 * cpplib.c (compare_defs): Accept pfile as new arg.
1801 All callers changed.
1803 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1805 * fold-const.c (fold_truthop): Fix bug in last change.
1807 1997-11-13 Paul Eggert <eggert@twinsun.com>
1809 Fix some confusion with IEEE minus zero.
1811 * real.h (REAL_VALUES_IDENTICAL): New macro.
1813 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
1814 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
1816 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
1817 same tree structure as 0.0.
1819 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
1820 macro instead of doing it by hand.
1822 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
1824 * v850/lib1funcs.asm: Minor whitespace changes.
1825 * v850.c: Fix minor formatting problems in many places.
1826 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
1828 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
1830 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
1831 xplus1 when xplus0 is not a register.
1833 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
1835 * flow.c (find_basic_blocks): During marking phase, if we encounter
1836 an insn with a REG_LABEL note, make the target block live and
1837 create an edge from the insn to the target block. Do not make
1838 edges from all blocks to the target block.
1840 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
1842 * confiugre.in: Tweak NCR entries.
1843 * configure: Rebuilt.
1845 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
1847 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
1848 pick apart floating point values, instead of using CONST_DOUBLE_LOW
1849 and CONST_DOUBLE_HIGH.
1851 * rs6000.md (define_splits for DF constants): Use the appropriate
1852 REAL_VALUE_* interface to pick apart DF floating point constants in
1853 a machine independent fashion.
1855 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1857 * fold-const.c (fold_truthop): When changing a one-bit comparison
1858 against zero into a comparison against mask, do a proper sign
1861 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
1863 * except.c: Do not include "assert.h".
1864 (save_eh_status): Turn asserts into conditional aborts.
1865 (restore_eh_status, scan_region): Likewise.
1866 * dwarfout.c: Do not include "assert.h".
1867 (bit_offset_attribute): Turn asserts into conditional aborts.
1868 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
1869 (output_inlined_structure_type_die): Likewise.
1870 (output_inlined_union_type_die): Likewise
1871 (output_tagged_type_instantiation): Likewise.
1872 (dwarfout_file_scope_decl): Likewise.
1873 * dwarf2out.c: Do not include "assert.h"
1874 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
1875 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
1876 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
1877 (add_bit_size_attribute, scope_die_for): Likewise.
1878 (output_pending_types_for_scope): Likewise.
1879 (get_inlined_enumeration_type_die): Likewise.
1880 (get_inlined_structure_type_die): Likewise.
1881 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
1882 (gen_tagged_type_instantiation_die): Likewise.
1884 * flow.c (find_basic_blocks): Refine further to get a more correct
1885 cfg, especially in the presense of exception handling, computed
1886 gotos, and other non-trivial cases. Call abort if an inaccuracy
1887 is detected in the cfg.
1889 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1891 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
1893 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
1894 (skip_white_space): Use whitespace_cr.
1895 (check_newline): Handle whitespace more consistently.
1897 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
1899 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
1900 * i386/xm-cygwin32.h (POSIX): Define.
1902 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
1904 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
1905 is available elsewhere.
1907 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
1909 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
1910 what the instruction can handle.
1912 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
1914 * stmt.c (expand_decl_cleanup_no_eh): New fn.
1916 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
1918 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
1920 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
1921 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
1923 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
1925 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
1926 swap instruction order.
1928 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
1930 * fixinc.svr4 (__STDC__): Add another case.
1932 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1934 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
1935 addresses in the epilogue delay slot.
1937 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
1939 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
1940 in generated `specs' file.
1942 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
1944 * flags.h (flag_rerun_loop_opt): Declare.
1945 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
1946 * toplev.c (flag_rerum_loop_opt): Delete static.
1948 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1950 Bring over from FSF:
1952 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1954 * va-sh.h (__va_arg_sh1): Define.
1956 SH3E doesn't use any integer registers for subsequent arguments
1957 once a non-float value was passed in the stack.
1958 * sh.c (machine_dependent_reorg): If optimizing, put explicit
1959 alignment in front label for ADDR_DIFF_VEC.
1960 * sh.h (PASS_IN_REG_P): Fix SH3E case.
1961 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
1963 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1965 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
1968 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1970 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
1971 put an use_sfunc_addr before each sfunc.
1972 * sh.md (use_sfunc_addr, dummy_jump): New insns.
1973 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
1975 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1977 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
1979 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
1981 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
1984 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
1986 * alias.c (find_base_value): Only return the known base value for
1989 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
1991 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
1992 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
1994 (prologue_get_pc_and_set_got): New pattern.
1996 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
1998 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
1999 for SUBREG, just fall through.
2001 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
2003 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
2005 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
2007 * fixincludes: Fix "hypot" prototype in NeXT math.h.
2009 * Makefile.in (USE_ALLOCA): Always include alloca.o.
2010 (USE_HOST_ALLOCA): Likewise.
2012 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
2013 and LABEL_REFS fields.
2014 * rtl.h (LABEL_REFS): Update.
2016 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
2018 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
2019 sets i2dest. When calling distribute_notes for i3dest_killed, pass
2020 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
2023 * mips.md (insv, extzv, extv): Add change_address call.
2024 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
2026 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
2028 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
2030 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
2031 save_restore_insns if no FP and GP will be restored.
2033 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
2034 Convert CCmode to word_mode before calling GET_MODE_SIZE.
2036 * acconfig.h (HAVE_INTTYPES_H): Undef.
2037 * configure.in (inttypes.h): Check for conflicts between sys/types.h
2038 and inttypes.h, and verify that intmax_t is defined.
2039 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
2040 * config/mips/x-iris3: Likewise.
2042 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
2044 * alias.c (find_base_value): When copying arguments, return the
2045 tenative value for a hard register.
2047 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
2049 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
2050 (yylex): Record wide strings using target endianness, not host.
2052 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
2054 * mn10200.h (ASM_OUTPUT_BSS): Delete.
2055 (ASM_OUTPUT_ALIGNED_BSS): New macro
2056 * mn10300.h (ASM_OUTPUT_BSS): Delete.
2057 (ASM_OUTPUT_ALIGNED_BSS): New macro.
2058 * v850.h (ASM_OUTPUT_BSS): Delete.
2059 (ASM_OUTPUT_ALIGNED_BSS): New macro.
2061 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2063 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
2065 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
2067 * configure.in (sco5): Use cpio to install header files.
2069 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
2071 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
2073 * configure: Rebuild.
2075 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
2077 * i386/sco5.h: enable -gstabs once again.
2079 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
2081 * arm.c (output_move_double): Allocate 3 entries in otherops array.
2083 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
2085 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
2086 notes for sjlj exceptions too.
2087 (expand_eh_region_end): Similarly for EH_REGION_END notes.
2088 (exception_optimize): Optimize EH regions for sjlj exceptions too.
2089 * final.c (final_scan_insn): Don't output labels for EH REGION
2090 notes if doing sjlj exceptions.
2092 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
2094 * alias.c (init_alias_analysis): Handle -fno-alias-check when
2095 optimizing correctly.
2097 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
2098 or set current_function_calls_setjmp anymore.
2100 * flow.c (find_basic_blocks): If we delete the label for an
2101 exception handler, remove it from the EH label list and remove
2102 the EH_BEGIN/EH_END notes for that EH region.
2104 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
2106 * flow.c (find_basic_blocks): Generate correct flow control
2107 information when exception handling notes are present.
2109 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
2111 * dwarf2out.c (output_call_frame_info): Fix length argument
2112 to ASM_OUTPUT_ASCII.
2113 (output_die, output_pubnames, output_line_info): Likewise.
2115 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
2117 * version.c: Bump for snapshot.
2119 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
2120 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
2121 flag_debug_asm is on.
2122 (output_die, output_pubnames, output_line_info): Likewise.
2124 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
2125 and static_chain_rtx into the potential base values array if
2128 * alias.c (new_reg_base_value): New array of potential base values.
2129 (unique_id): Now file scoped static.
2130 (find_base_value, case REG): Return the value in reg_base_value
2131 array for the REG if it exists. Else, return the value from
2132 new_reg_base_value if copying args and REG is a hard register.
2133 (find_base_value, case PLUS): If either operand of the PLUS is
2134 a REG, try to get its base value. Handle base + index and
2136 (record_set): Use new_reg_base_value instead of reg_base_value.
2137 (init_alias_analysis): Allocate space for new_reg_base_value too.
2138 Rework code to iterate over the insns propagating base value
2139 information until nothing changes.
2141 * global.c (global_alloc): Free the conflict matrix after
2142 reload has finished.
2144 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
2146 * libgcc2.c (L_eh): Define __eh_pc.
2147 Replace __eh_type with generic pointer __eh_info.
2149 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
2151 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
2152 use copy_to_reg if address is not a general_operand.
2154 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2156 * profile.c (output_func_start_profiler): Clear flag_inline_functions
2157 for the duration of the call to rest_of_compilation.
2159 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
2161 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
2163 (sparc*-*-*): Recognize --with-cpu=v9.
2164 * sparc/elf.h: New file.
2165 * sparc/t-elf: New file.
2167 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
2169 * mn10300.c (const_8bit_operand): New function.
2170 (mask_ok_for_mem_btst): New funtion.
2171 * mn10300.md (btst patterns with mem operands): Use new functions
2172 to avoid creating btst instructions with invalid operands.
2174 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
2176 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
2177 are running on PowerPC Linux.
2179 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
2181 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
2182 if not previously defined.
2184 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
2186 * function.c (assign_parms): Correct mode of stack_parm if
2187 entry_parm underwent a mode conversion.
2189 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
2191 * global.c (global_alloc): Use xmalloc instead of alloca for
2192 CONFLICTS, since max_allocno * allocno_row_words alone can be more
2193 than 2.5Mb sometimes.
2195 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
2197 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
2198 DEST for the spill, adjust mode of SRC to compensate.
2200 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
2202 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
2203 since any_memory_operand() allows pseudos during reload.
2204 (reload_inhi, reload_outqi, reload_outhi): Likewise.
2206 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
2208 * m68k.md (btst patterns): Add 5200 support.
2210 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
2212 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
2213 optimizations, look inside dividend to determine if the expression
2214 can be simplified by using EXACT_DIV_EXPR.
2216 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
2219 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
2221 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
2223 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
2225 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
2227 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
2230 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
2232 * alpha.md (movqi, movhi): Make sure new insns created during reload
2233 won't need reloading themselves.
2234 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
2236 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
2238 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
2240 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
2242 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
2243 Patch from Klaus Kaempf <kkaempf@progis.de>.
2245 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
2247 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
2248 to an element in a constant string.
2250 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
2252 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
2253 bit PC-relative offset. The exception range table pointer is now in
2255 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
2256 (count_fdes, add_fdes, get_cie): Adjust.
2257 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
2260 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
2262 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
2264 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
2265 like stack_pointer_rtx.
2267 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
2269 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
2270 targets using "$@" to provide support for similar but not identical
2271 targets without having to duplicate code.
2272 (bootstrap4): New goal.
2274 * Makefile.in (compare, compare-lean, compare3): Combined to one
2275 ruleset determining actions to be performed via $@.
2276 (compare4, compare4-lean): New targets.
2277 (gnucompare, gnucompare3): Combined to one ruleset determining
2278 actions to be performed via $@. Also, note which files failed
2279 the comparison test in .bad_compare.
2280 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
2282 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
2284 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
2285 if the dividend is a multiple of the divisor.
2287 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
2289 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
2291 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
2294 * alias.c (true_dependence): Fix typo.
2296 * toplev.c (flag_rerun_loop_opt): New variable.
2297 (f_options): Handle -frerun-loop-opt.
2298 (rest_of_compilation): If -frerun-loop-opt, then run the loop
2300 (main): Enable -frerun-loop-opt by default for -O2 or greater.
2302 * loop.c (simplify_giv_expr): Adding two invariants results
2305 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
2307 * expr.c (get_inner_reference): Remove the array bias after
2308 converting the index to Pmode.
2310 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
2312 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
2313 (TARGET_MULT_BUG): Define.
2314 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
2315 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
2317 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
2319 * mn10200.c (indirect_memory_operand): Delete unused function.
2320 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
2321 * mn10200.md (bset, bclr insns): Handle output in a reg too.
2323 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
2325 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
2326 the callee's ldgp, we must do it ourselves, and we use the jsr tag
2327 for more than scheduling.
2329 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
2331 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
2333 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
2335 * mn10300.c (symbolic_operand, legitimize_address): New functions.
2336 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
2337 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
2339 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
2341 * version.c: Bump for snapshot.
2343 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2345 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
2348 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
2350 * toplev.c (flag_exceptions): Default value is 2.
2351 (compile_file): If flag_exceptions still has the value 2, then
2354 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
2355 (rs6000_save_machine_status): Save pic_offset_table_rtx.
2356 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
2358 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
2361 * rs6000.md (*movsi_got_internal_mem): New pattern.
2362 (*movsi_got_internal_mem splitter): New define_split.
2364 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
2366 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
2368 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
2370 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
2371 only need to save LR.
2373 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
2375 * mn10300.md (movqi, movhi): Avoid using address registers as
2376 destinations unless absolutely necessary.
2378 * mn10200.c (expand_prologue): Fix typo.
2380 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
2382 * mn10200.md (neghi2): Provide an alternative which works if
2383 the input and output register are the same.
2385 * mn10300.c (print_operand): Handle 'S'.
2386 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
2387 shift amount in last alternative
2389 * mn10300.c (expand_epilogue): Rework to handle register restores
2390 in "ret" and "retf" instructions correctly.
2392 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
2394 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
2395 extzv for memory operands.
2397 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
2398 redundant conditional moves to single operand.
2400 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
2402 * v850.h: Move define of __v850__ from CPP_PREDEFINES
2405 * xm-v850.h: Use __v850 rather than __v850__ to
2408 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
2410 * mips/mips.c (compute_frame_size): Not a leaf function if
2413 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
2415 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
2417 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
2419 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
2420 (DEFAULT_ARCH32_P): New macro.
2421 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
2422 (enum cmodel): Declare.
2423 (sparc_cmodel_string,sparc_cmodel): Declare.
2424 (SPARC_DEFAULT_CMODEL): Provide default.
2425 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
2426 (TARGET_FULLANY): Deleted.
2427 (TARGET_CM_MEDMID): New macro.
2428 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
2429 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
2430 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
2431 (CPP_SPEC): Rewrite.
2432 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
2433 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
2434 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
2435 (ASM_SPEC): Add %(asm_arch).
2436 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
2437 Rename asm_default to asm_cpu_default.
2438 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
2439 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
2440 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
2441 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
2442 (MASK_INT64,MASK_LONG64): Delete.
2443 (MASK_ARCH64): Renamed to MASK_64BIT.
2444 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
2445 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
2446 (TARGET_SWITCHES): Always provide 64 bit options.
2447 (ARCH64_SWITCHES): Delete.
2448 (TARGET_OPTIONS): New option -mcmodel=.
2449 (INT_TYPE_SIZE): Always 32.
2450 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
2451 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
2452 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
2453 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
2454 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
2456 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2457 * sparc/linux.h: Likewise.
2458 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
2459 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
2460 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
2461 (SPARC_DEFAULT_CMODEL): Define.
2462 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
2463 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2464 (LONG_DOUBLE_TYPE_SIZE): Define.
2465 (ASM_SPEC): Add %(asm_arch).
2466 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
2467 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2468 (TARGET_CPU_DEFAULT): Add ultrasparc case.
2469 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
2470 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
2471 (SPARC_DEFAULT_CMODEL): Define.
2472 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
2473 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
2474 MASK_LONG64, MASK_MEDANY.
2475 (SPARC_DEFAULT_CMODEL): Define.
2476 (CPP_PREDEFINES): Delete.
2477 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2478 (ASM_SPEC): Add %(asm_arch).
2479 (LONG_DOUBLE_TYPE_SIZE): Define.
2480 (DWARF2_DEBUGGING_INFO): Define.
2481 * sparc/splet.h (CPP_SPEC): Delete.
2482 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
2483 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
2484 (BLOCK_PROFILER): Likewise.
2485 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
2486 (sparc_override_options): Handle code model selection.
2487 (sparc_init_expanders): Renamed from sparc64_init_expanders.
2488 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
2489 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
2490 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
2491 (sethi_di_fullany): Delete.
2493 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
2494 Jeff Law <law@cygnus.com>
2495 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2497 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
2498 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
2499 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
2500 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
2501 * alpha/alpha.md (arg_home): Likewise.
2503 * alpha/alpha.c (vmskrunch): Delete
2504 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
2505 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
2506 truncate to 64 characters.
2508 * make-l2.com: Support openVMS/Alpha.
2510 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
2512 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2514 * longlong.h (count_leading_zeros): Add missing casts to USItype.
2516 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
2518 * i386/bsd386.h (ASM_COMMENT_START): Define.
2520 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
2522 * tree.c (restore_tree_status): Also free up temporary storage
2523 when we finish a toplevel function.
2524 (dump_tree_statistics): Print stats for backend obstacks.
2526 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
2528 * expr.c (use_group_regs): Don't call use_reg for MEMs.
2530 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
2532 * libgcc2.c (__throw): Don't copy the return address.
2533 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
2535 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
2536 * toplev.c (main): Initialize exceptions_via_longjmp.
2538 * tree.c: Add extra_inline_obstacks.
2539 (save_tree_status): Use it.
2540 (restore_tree_status): If this is a toplevel inline obstack and we
2541 didn't want to save anything on it, recycle it.
2542 (print_inline_obstack_statistics): New fn.
2543 * function.c (pop_function_context_from): Pass context to
2544 restore_tree_status.
2545 * obstack.h (obstack_empty_p): New macro.
2547 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
2549 * i386/freebsd.h (ASM_COMMENT_START): Fix.
2551 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
2553 * v850.c (ep_memory_offset): New function.
2554 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
2556 * v850.h (CONST_OK_FOR_*): Add and correct comments.
2557 (CONSTANT_ADDRESS_P): Add comment.
2558 (EXTRA_CONSTRAINT): Define 'U'.
2559 * v850.md: Add comments on bit field instructions.
2560 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
2561 (lshrsi3): Use N not J constraint.
2563 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
2565 * v850.c (reg_or_0_operand): Call register_operand.
2566 (reg_or_int5_operand): Likewise.
2567 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
2568 (TARGET_SWITCHES): Add "big-switch".
2569 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
2570 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
2571 (CASE_DROPS_THROUGH): Comment out.
2572 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
2573 * v850.md (cmpsi): Delete compare mode.
2574 (casesi): New pattern.
2576 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
2577 * v850.md (ashlsi3): Use SImode not QImode for shift count.
2578 (lshrsi3): Likewise.
2580 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
2581 unreachable switch statement after 'b' support. Remove "b" from
2582 strings for 'b' support.
2583 * v850.md (branch_normal, branch_invert): Change %b to b%b.
2585 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
2587 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
2588 empty line if @inhibit_libc@ is empty.
2590 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
2592 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
2593 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
2594 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
2595 (DWARF2_UNWIND_INFO): Let this track object file format.
2596 (EXTRA_SECTIONS): Add in_eh.
2597 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
2598 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
2600 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
2602 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
2603 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
2605 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
2606 (output_double_int): Output DI mode values correctly when
2607 HOST_BITS_PER_WIDE_INT is 64.
2608 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
2609 fmovd so it works if a quad float ends up in one of the upper 32
2611 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
2612 necessary for PIC support on sparc64.
2614 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
2616 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
2617 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
2618 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
2619 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
2620 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
2621 (SPARC_FP_ARG_FIRST): New macro.
2622 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
2623 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
2624 (NPARM_REGS): There are 32 fp argument registers now.
2625 (FUNCTION_ARG_REGNO_P): Likewise.
2626 (FIRST_PARM_OFFSET): Update to new v9 abi.
2627 (REG_PARM_STACK_SPACE): Define for arch64.
2628 (enum sparc_arg_class): Delete.
2629 (sparc_arg_count,sparc_n_named_args): Delete.
2630 (struct sparc_args): Redefine and use for arch32 as well as arch64.
2631 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
2632 (FUNCTION_ARG_ADVANCE): Rewrite.
2633 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
2634 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
2635 (FUNCTION_ARG_CALLEE_COPIES): Delete.
2636 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
2637 (STRICT_ARGUMENT_NAMING): Define.
2638 (doublemove_string): Declare.
2639 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
2640 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
2641 (doublemove_string): New function.
2642 (output_move_quad): Clean up some of the arch64 support.
2643 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
2644 Don't add 8 bytes of reserved space if arch64.
2645 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
2646 (init_cumulative_args): New function.
2647 (function_arg_slotno): New static function.
2648 (function_arg,function_arg_partial_nregs): New functions.
2649 (function_arg_{pass_by_reference,advance}): New functions.
2650 (function_arg_padding): New function.
2651 * ginclude/va-sparc.h: Rewrite v9 support.
2653 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
2655 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
2656 for hard regs to determine base and index registers.
2658 * reload.c (debug_reload_to_stream): New function. Specify stream
2659 into which to write debug info.
2660 (debug_reload): Modify to call debug_reload_to_stream with stderr.
2662 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
2664 * combine.c (can_combine_p): Don't combine with an asm whose
2665 output is a hard register.
2667 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
2669 * c-decl.c (start_struct): Ensure that structs with forward
2670 declarations are in fact packed when -fpack-struct is given.
2672 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
2673 we are packing a structure. This allows a structure with only
2674 bytes to be aligned on a byte boundary and have no padding on a
2677 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2679 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
2681 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
2683 * alpha.c (alpha_return_addr_rtx): New variable.
2684 (alpha_save_machine_status): New; save it.
2685 (alpha_restore_machine_status): New; restore it.
2686 (alpha_init_expanders): New; clear it.
2687 (alpha_return_addr): New; set it.
2688 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
2689 is overly conservative, so search the insns explicitly.
2690 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
2691 (alpha_sa_size [VMS && !VMS]): Likewise.
2692 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
2693 (INIT_EXPANDERS): New definition.
2695 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
2696 (output_prolog [!VMS]): Use them.
2698 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
2699 (alpha_does_function_need_gp): ... a new function. Refine the
2700 CALL_INSN test to just TYPE_JSR.
2701 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
2703 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
2705 * version.c: Bump for snapshot.
2707 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2709 * pa.c (move_operand): Respect -mdisable-indexing.
2710 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
2712 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
2714 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
2716 (umulsidi3,umulsi3_highpart): Ditto.
2717 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
2719 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
2721 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
2722 (alpha_handle_trap_shadows): ... a new function. Handle the entire
2723 function in one go. Emit RTL for trapb, instead of printf directly.
2724 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
2725 (trap_pending): Kill global variable.
2726 (output_epilog): Don't call final_prescan_insn.
2727 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
2728 * alpha.h (FINAL_PRESCAN_INSN): Remove.
2729 (MACHINE_DEPENENT_REORG): Define.
2730 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
2733 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
2735 Tune Haifa scheduler for Alpha:
2736 * alpha.h (ISSUE_RATE): Define.
2737 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
2738 EV4 adjustments to EV5.
2739 * alpha.md: Remove all scaling from function unit delays. Rework
2740 EV5 function units to match the CPU.
2741 (umuldi3_highpart): EV5 added the IMULH insn class.
2743 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
2745 * pa.c (following_call): Fail if the CALL_INSN is an indirect
2748 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
2750 * cplus-dem.c (demangle_signature): Don't look for return types on
2751 constructors. Handle member template constructors.
2753 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
2755 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
2756 * tree.h: Declare them.
2758 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
2760 * configure.in: Handle --with-newlib.
2761 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
2763 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
2765 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
2767 * config/ptx4.h: Fix typo.
2769 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
2771 * version.c: Bump for snapshot.
2773 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
2775 * aclocal.m4: Substitute INSTALL.
2776 * configure: Re-built.
2778 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
2780 * integrate.c (save_for_inline_copying): Avoid undefined pointer
2782 (expand_inline_function): Likewise.
2784 * dwarf2out.c (output_call_frame_info): Reinstate last change
2785 using flag_debug_asm check instead of flag_verbose_asm.
2787 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
2789 * dwarf2out.c (output_call_frame_info): Remove last change.
2791 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2793 * frame.c (__frame_state_for): Execute the FDE insns until the
2794 current pc value is strictly bigger than the target pc value.
2796 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
2798 * regclass.c (init_reg_modes): If we can't find a mode for the
2799 register, use the previous one.
2801 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
2803 * haifa-sched.c (print_block_visualization): Call fprintf directly,
2804 don't sprintf through an alloca'ed buffer.
2806 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
2808 * reload.c (decompose): Always initialize val.base.
2810 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
2812 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
2813 instead of aborting.
2814 * dwarf2out.c (output_call_frame_info): Call app_enable and
2815 app_disable to let GNU as accept the generated comments.
2817 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
2819 * tree.h (get_file_function_name): Add declaration.
2820 * dwarf2out.c (output_call_frame_info): No need to cast
2821 get_file_function_name call anymore.
2822 * profile.c (toplevel): Remove get_file_function_name
2824 * c-lang.c (finish_file): Ditto.
2826 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
2828 * Makefile.in (program_transform_name): Let autoconf substitute
2831 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
2833 * haifa-sched.c (schedule_block): If the first real insn in a
2834 block has any special notes attached to it, remove them.
2836 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
2838 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
2840 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
2842 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
2844 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
2846 * Makefile.in (check-g77): New test target.
2847 (CHECK-TARGETS): Add check-g77.
2849 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
2851 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
2853 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
2855 * flow.c (print_rtl_with_bb): Cast alloca return value for
2858 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
2860 * i386.h (RETURN_ADDR_RTX): New definition that works for
2861 __builtin_return_address(0) and -fomit-frame-pointer.
2863 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
2865 Bring over from FSF.
2866 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
2868 * mips.c (function_arg): Handle passing a struct
2869 containing a double in a DFmode register without the PARALLEL.
2871 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
2873 * pexecute.c: Use spawn if __CYGWIN32__.
2875 * pexecute.c: Include "config.h" first, as per autoconf manual
2876 (from Paul Eggert <eggert@twinsun.com>).
2878 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
2880 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
2881 optimisation for f/expr.o and f/stb.o.
2883 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
2885 * cse.c (this_insn_cc0_mode): Initialize.
2887 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
2889 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
2891 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
2893 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
2895 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
2896 that pair will dual-issue on the 21164 and plus+beq won't.
2897 (bne): Likewise for cmpeq+beq.
2899 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
2901 * except.c (find_exception_handler_labels): Correct argument to free.
2903 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
2905 * except.c (find_exception_handler_labels): Free LABELS when we're
2908 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
2910 * version.c: Bump for snapshot.
2912 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
2914 * flow.c (find_basic_blocks): Mark calls as potentially jumping
2917 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
2919 * configure.in: Substitute for "install" too.
2920 * configure: Rebuilt.
2922 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
2924 * Makefile.in (bootstrap-lean, compare-lean): New targets.
2926 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
2928 * alias.c (base_alias_check): Two symbols can conflict if they
2929 are accessed via AND.
2930 (memrefs_conflict_p): Likewise.
2932 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
2933 after flushing argument registers to the stack.
2935 * Makefile.in (mostlyclean): Remove .regmove files.
2937 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
2939 * libgcc2.c (__throw): Fix thinko.
2941 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
2943 * cplus-dem.c (demangle_template): Add new parameter. Handle new
2944 template-function mangling.
2945 (consume_count_with_underscores): New function.
2946 (demangle_signature): Handle new name-mangling scheme.
2948 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
2950 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
2953 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
2955 * frame.c: Remove last change.
2956 * dwarf2.h: Remove last change.
2957 * tree.h: Add declarations of DWARF2 unwind info support
2960 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
2962 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
2963 * tree.h (built_in_function): Likewise.
2964 * expr.c (expand_builtin): Likewise.
2965 * except.h: Likewise.
2966 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
2967 * libgcc2.c (copy_reg): New fn.
2970 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
2972 * c-typeck.c (build_binary_op): Warn about comparing signed vs
2973 unsigned if -W is specified and -Wno-sign-compare is not.
2974 * c-decl.c (warn_sign_compare): Initialize to -1.
2975 (c_decode_option): -Wall no longer implies -Wsign-compare.
2977 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2979 * frame.c: Include gansidecl.h for PROTO.
2980 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
2981 defined. Don't declare dwarf2out_cfi_label here.
2982 * dwarf2.h: Add declarations of DWARF2 unwind info support
2984 * m68k.c: Include dwarf2.h.
2985 (output_function_prologue): Add dwarf2 support.
2986 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
2987 (INCOMING_FRAME_SP_OFFSET): Likewise.
2989 * integrate.c (expand_inline_function): Make sure there is at
2990 least one insn that can be used as an insertion point.
2992 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
2994 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
2996 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
2998 * version.c: Bump for snapshot.
3000 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
3002 Bring over from FSF.
3004 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
3006 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
3007 (get_pc_via_rdpc): Renamed from get_pc_sp64.
3008 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
3010 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
3012 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
3013 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
3015 (sparc_align_{loops,jumps,funcs}_string): Declare.
3016 (sparc_align_{loops,jumps,funcs}): Declare.
3017 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
3018 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
3019 (STACK_BIAS): Define.
3020 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
3022 (SPARC_SETHI_P): New macro.
3023 (CONST_OK_FOR_LETTER_P): Use it.
3024 (ASM_OUTPUT_ALIGN_CODE): Define.
3025 (ASM_OUTPUT_LOOP_ALIGN): Define.
3026 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
3027 (sparc_align_{loops,jumps,funcs}): New globals.
3028 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
3030 (move_operand): Use SPARC_SETHI_P.
3031 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
3033 (arith11_double_operand): Likewise.
3034 (arith10_double_operand): Likewise.
3035 (finalize_pic): Finish sparc64 support.
3036 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
3037 64 bit constants if able.
3038 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
3039 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
3041 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
3042 (get_pc_sp32): Use for sparc64 as well.
3043 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
3044 (sethi_di_sp64_const): Likewise.
3045 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
3046 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
3047 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
3049 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
3051 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
3052 * sparc/linux.h (COMMENT_BEGIN): Likewise.
3053 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
3055 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
3057 Add sparc64 linux support.
3058 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
3059 to xm_file list on 32-bit sparc-linux.
3060 * sparc/xm-sp64.h: New file.
3061 * sparc/linux64.h: New file.
3062 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
3063 Don't include xm-sparc.h.
3064 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
3065 * glimits.h (LONG_MAX): Handle sparc64.
3067 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
3069 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
3070 * sparc.h (ASM_COMMENT_START): Define.
3071 * sparc.c (output_function_prologue): Use it.
3072 (sparc_flat_output_function_{epi,pro}logue): Likewise.
3074 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
3076 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
3077 use sparc.h's copies.
3078 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
3081 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3083 * sparc.c (dwarf2out_cfi_label): Add declaration.
3084 (save_regs, output_function_prologue): Remove cast for it.
3085 (sparc_flat_{save_restore,output_function_prologue): Likewise.
3086 ({save,restore}_regs): No longer inline.
3088 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3090 * fold-const.c (make_range): Correctly handle cases of converting
3091 from unsigned to signed type.
3093 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3095 * fold-const.c (merge_ranges): Make sure that if one range is subset
3096 of another, it will always be the second range. Correct (+,-) case to
3099 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
3101 * final.c (final_end_function): Also do dwarf2 thing if
3102 DWARF2_DEBUGGING_INFO.
3103 (final_start_function): Likewise.
3105 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
3107 * expmed.c (expand_divmod): If compute_mode is not the same as
3108 mode, handle the case where convert_modes() causes op1 to no
3109 longer be a CONST_INT.
3111 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
3112 note holding get_jump_flags() calculation to all JUMP_INSNs.
3113 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
3114 * rtl.c (reg_note_name): Add new note types.
3116 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
3118 * rtlanal.c (computed_jump_p): Fix typo in last change.
3120 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3122 * loop.c (indirect_jump_in_function_p): Return 0
3125 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
3127 * rs6000/xm-rs6000.h: Fix thinko in last change.
3128 * rs6000/xm-sysv4.h: Likewise.
3130 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
3132 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
3134 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
3136 * reg-stack.c (find_blocks): Fix thinko in last change.
3138 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3140 * m68k.c (output_function_prologue): Add dwarf2 support.
3142 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
3143 INCOMING_FRAME_SP_OFFSET): New definitions.
3145 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
3147 * combine.c (try_combine): Use NULL_RTX instead of '0' where
3148 appropriate in calls to gen_rtx().
3149 * cse.c (cse_main): Likewise.
3150 * emit-rtl.c (gen_label_rtx): Likewise.
3151 * expr.c (init_expr_once): Likewise.
3152 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
3153 sched_analyze, init_rgn_data_dependences,
3154 compute_block_backward_dependences): Likewise.
3155 * sched.c (schedule_insns): Likewise.
3156 * varasm.c (immed_double_const): Likewise.
3158 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
3159 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
3161 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
3163 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
3164 (MULTILIB_DEFAULTS): Define.
3165 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
3166 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
3167 (LIBGCC_SPEC): Likewise.
3168 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
3169 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
3170 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
3171 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
3172 (EXTRA_PARTS, TAROUTOPTS): Delete.
3173 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
3174 (MULTILIB_OPTIONS): Define.
3175 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
3176 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
3178 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
3180 * version.c: Bump for snapshot.
3182 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
3184 * loop.c (loop_number): Delete function. Change all references
3185 to use uid_loop_num array.
3186 * loop.h (loop_number): Delete declaration.
3187 * unroll.c (unroll_loop): Change "loop_number" references to
3188 use uid_loop_num instead.
3190 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
3192 (loop_unroll_iter): Remove unused variable and all references.
3193 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
3194 (insert_bct): Fix minor formatting problems.
3195 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
3196 (loop_unroll_iter): Removed unused decl.
3197 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
3198 Always record the unrolling factor.
3200 * cse.c (simplify_relational_operation): Set h0u just like h0s.
3201 Similarly for h1u and h1s.
3203 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
3204 (find_basic_blocks): Use computed_jump_p to determine if a
3205 particular JUMP_INSN is a computed jump.
3206 * reg-stack.c (find_blocks): Use computed_jump_p to determine
3207 if a particular JUMP_INSN is a computed jump.
3208 * rtlanal.c (jmp_uses_reg_or_mem): New function.
3209 (computed_jump_p): Likewise.
3210 * rtl.h (computed_jump_p): Declare.
3211 * genattrtab.c (pc_rtx): Define and initialize.
3212 * loop.c (loop_optimize): Always determine if the current
3213 function has a computed jump.
3214 (indirect_jump_in_function_p): Use computed_jump_p to determine
3215 if a particular JUMP_INSN is a computed jump.
3217 * loop.c (fix_bct_param): Delete unused function.
3218 (check_bct_param): Likewise.
3220 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
3222 * frame.c (__deregister_frame): Check properly for initialized object.
3224 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3226 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
3228 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3230 * jump.c (thread_jumps): check can_reverse_comparison_p before
3231 threading a reversed-condition jump.
3233 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
3234 * haifa-sched.c (update_flow_info): Likewise.
3236 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
3238 * Makefile.in (BOOT_CFLAGS): Use -O2.
3240 * configure.in (strtoul, bsearch): Have autoconf check for these
3242 * configure, config.in: Rebuilt.
3244 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
3245 * mips/mips.h (alloca): Likewise.
3246 * rs6000/xm-rs6000.h (alloca): Likewise.
3247 * rs6000/xm-sysv4.h: Likewise.
3249 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
3251 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
3252 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
3253 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
3255 * except.c (end_eh_unwinder): Subtract 1 from return address.
3256 * libgcc2.c (__throw): Likewise.
3257 (find_exception_handler): Don't change PC here. Compare end with >.
3259 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
3261 * v850.c (compute_register_save_size): Correct register
3263 * v850.md (save_interrupt, return_interrupt): Correct
3265 * v850/lib1funcs.asm (save_interrupt): Correct register number.
3266 (return_interrupt): Use stack pointer, not element pointer.
3268 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
3270 * configure.in, configure: Make sure to create the stage* and include
3271 symbolic links in each subdirectory.
3273 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
3275 * pa.md (reload_peepholes): Don't allow addresses with side
3276 effects for the memory operand.
3278 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
3280 * libgcc2.c (find_exception_handler): Subtract one from our PC when
3281 looking for a handler, to avoid hitting the beginning of the next
3284 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
3286 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
3288 * mips/abi64.h (LONG_MAX_SPEC): Define.
3289 * mips.h (LONG_MAX_SPEC): Define.
3290 (CPP_SPEC): Include long_max_spec.
3291 (EXTRA_SPECS): Include long_max_spec.
3293 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
3295 * v850.c (construct_save_jarl): Fix thinko in last change.
3297 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
3299 * version.c: Bump for snapshot.
3301 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
3303 * libgcc2.c (find_exception_handler): Not found is -1.
3305 * integrate.c (expand_inline_function): Move expand_start_bindings
3306 after expanding the arguments.
3308 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
3310 * expr.c (expand_expr): Remove previous incorrect change.
3311 If target and slot has no DECL_RTL, then call mark_addressable
3312 again for the slot after we give it RTL.
3314 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
3316 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
3317 again for the slot after we give it RTL.
3319 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
3321 * v850.c (register_is_ok_for_epilogue,
3322 pattern_is_ok_for_epilogue, construct_restore_jr,
3323 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
3325 * v850.h (pattern_is_ok_for_prologue,
3326 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
3329 * v850.md: Replace prologue and epilogue patterns with a
3330 match_parallel pattern.
3332 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
3334 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
3335 * configure.in: Use EGCS_PROG_INSTALL.
3337 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
3339 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
3340 extern inline function.
3342 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
3344 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
3345 (concat_loc_descriptor): New function.
3346 (loc_descriptor): Call it.
3347 (add_AT_location_description): Also elide the descriptor if both
3348 halves of a CONCAT are pseudos.
3349 (add_location_or_const_value_attribute): Recognize CONCAT too.
3351 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
3353 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
3355 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
3356 out-or-range reg_offset.
3357 (output_epilog): Likewise.
3359 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
3361 * cse.c (simplify_relational_operation): If MODE specifies a
3362 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
3363 is derived from the sign bit of the low word.
3365 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
3367 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
3369 * dwarf2.h: Add DW_CFA_GNU_args_size.
3370 * frame.c (execute_cfa_insn): Likewise.
3371 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
3372 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
3373 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
3374 insn, hand it off to dwarf2out_stack_adjust.
3375 (dwarf2out_begin_prologue): Initialize args_size.
3376 * frame.h (struct frame_state): Add args_size.
3377 * libgcc2.c (__throw): Use args_size.
3378 * final.c (final_scan_insn): If we push args, hand off all insns
3379 to dwarf2out_frame_debug.
3380 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
3382 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
3383 Handle epilogue restore of SP from FP.
3384 * emit-rtl.c (gen_sequence): Still generate a sequence if the
3385 lone insn has RTX_FRAME_RELATED_P set.
3387 * frame.c (extract_cie_info): Handle "e" augmentation.
3388 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
3389 absence of UNALIGNED_*_ASM_OP.
3390 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
3391 (output_call_frame_info): Use "e" instead of "z" for augmentation.
3392 Don't emit augmentation fields length.
3393 (dwarf2out_do_frame): Move outside of #ifdefs.
3394 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
3397 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
3398 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
3399 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
3400 * sparc/sun4gas.h: New file.
3401 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
3403 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
3404 __register_frame_table and __deregister_frame.
3406 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
3408 * except.c (find_exception_handler_labels): Use xmalloc instead of
3409 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
3412 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
3414 * Makefile.in: Various changes to build info files
3415 in the object tree rather than the source tree.
3417 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
3419 * fixinc.math: New file to fix math.h on some systems.
3420 * configure.in (freebsd, netbsd): Use fixinc.math on these
3422 * configure: Rebuilt.
3424 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
3426 * regmove.c (regmove_optimize): If we end up moving the
3427 original insn due to lifetime overlaps, make sure to move
3430 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
3432 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
3434 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
3436 * haifa-sched.c (add_branch_dependences): Make each insn in
3437 a SCHED_GROUP_P block explicitly depend on the previous insn.
3439 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
3441 * except.h: Prototype dwarf2 hooks.
3444 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
3446 * configure.in (native_prefix): Delete.
3447 (mips-dec-netbsd): Don't set prefix.
3448 (*linux*): Don't set prefix.
3450 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
3452 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
3453 defined. If not defined, include <sys/varargs.h> if
3454 HAVE_SYS_VARARGS_H is defined.
3455 * configure.in: Test for varargs.h and sys/varargs.h.
3456 * configure: Regenerate with autoconf.
3457 * config.in: Regenerate with autoheader.
3459 * cpplib.c (quote_string): Cast first arg of sprintf call
3460 from "unsigned char *" to "char *".
3461 (output_line_command): Ditto.
3462 (macroexpand): Ditto.
3463 (do_line): Cast atoi arg from "unsigned char *" to "char *".
3465 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
3467 * version.c: Bump for snapshot.
3469 * Makefile.in (compare): Exit with nonzero status if there
3470 are comparison failures. Note which files failed the
3471 comparison test in .bad_compare.
3473 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3475 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
3477 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
3479 * Makefile.in (LN, LN_S): New macros, use where appropriate.
3480 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
3481 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
3482 * configure: Regenerated.
3484 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
3486 * loop.c (strength_reduce): Fix typo.
3488 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
3490 * m88k/m88k.c (struct option): Rename to struct options.
3491 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
3492 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
3493 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
3494 __DOLPHIN__ or sysV88.
3496 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
3498 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
3501 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
3503 * config.sub: Accept 'amigados' for backward compatability.
3505 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3507 * Makefile.in (testsuite/site.exp): New target.
3508 (check-gcc, check-g++): Depend on testsuite/site.exp.
3509 Don't stop for failure.
3511 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
3513 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
3514 if DWARF2_UNWIND_INFO.
3516 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
3518 Add support for exception handling using DWARF 2 frame unwind info.
3519 Currently works on SPARC and MIPS, and almost on x86.
3521 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
3522 next_stack_level, in_reg_window): Helper fns.
3523 (__throw): Implement for DWARF2_UNWIND_INFO.
3525 * expr.c (expand_builtin): Handle builtins used by __throw.
3526 * tree.h (enum built_in_function): Add builtins used by __throw.
3527 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
3528 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
3529 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
3530 (expand_builtin_extract_return_addr): Likewise.
3531 (expand_builtin_frob_return_addr): Likewise.
3532 (expand_builtin_set_return_addr_reg): Likewise.
3533 (expand_builtin_eh_stub): Likewise.
3534 (expand_builtin_set_eh_regs): Likewise.
3535 (eh_regs): Choose two call-clobbered registers for passing back values.
3537 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
3538 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
3539 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
3540 (stmp-multilib): Likewise.
3541 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
3543 * except.c: #include "defaults.h".
3544 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
3545 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
3546 (register_exception_table_p): New fn.
3547 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
3548 (end_eh_unwinder): Likewise.
3550 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
3551 call __register_frame and __deregister_frame as needed.
3552 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
3553 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
3554 EH_FRAME_SECTION_ASM_OP.
3555 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
3556 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
3557 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
3559 * dwarf2out.c (output_call_frame_info): If no support for
3560 EXCEPTION_SECTION, mark the start of the frame info with a
3562 * collect2.c (frame_tables): New list.
3563 (is_ctor_dtor): Recognise frame entries.
3564 (scan_prog_file): Likewise.
3565 (main): Pass -fno-exceptions to sub-compile. Also do collection
3566 if there are any frame entries.
3567 (write_c_file_stat): Call __register_frame_table and
3568 __deregister_frame as needed.
3569 (write_c_file_glob): Likewise.
3571 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
3572 Also require unaligned reloc support.
3573 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3574 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
3575 * sparc/sysv4.h: Not here.
3577 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
3578 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
3579 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
3581 * libgcc2.c (L_eh): Reorganize, moving code shared by different
3582 EH implementations to the top.
3583 (find_exception_handler): Split out. Start from 0. Compare against
3585 (__find_first_exception_table_match): Use it.
3586 * except.c (output_exception_table): Don't do anything if there's
3587 no table. Don't output a first entry of zeroes.
3588 (eh_outer_context): Adjust properly.
3589 (add_eh_table_entry): Use xrealloc.
3590 * toplev.c (compile_file): Just call output_exception_table.
3592 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
3594 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
3596 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
3598 * except.c (eh_outer_context): Do masking using expand_and.
3600 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
3602 Add port done awhile ago for the ARC cpu.
3603 * arc/arc.h: New file.
3604 * arc/arc.c: New file.
3605 * arc/arc.md: New file.
3606 * arc/initfini.c: New file.
3607 * arc/lib1funcs.asm: New file.
3608 * arc/t-arc: New file.
3609 * arc/xm-arc.h: New file.
3610 * ginclude/va-arc.h: New file.
3611 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
3612 * ginclude/varargs.h: Likewise.
3613 * Makefile.in (USER_H): Add va-arc.h.
3614 * configure.in (arc-*-elf*): Recognize.
3615 * longlong.h: Add ARC support.
3617 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
3619 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
3620 when clearing non-BLKmode data.
3622 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
3624 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
3625 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
3627 * xm-m88k.h (USG): Only define if it hasn't already been defined.
3629 * Makefile.in (risky-stage1): Delete gratutious whitespace.
3631 * Makefile.in (clean): Delete libgcc1-test.
3633 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
3635 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
3637 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
3640 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3642 * dwarf2out.c (output_call_frame_info): Call named_section.
3644 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
3646 * haifa-sched.c (print_value): Fix last change.
3648 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
3650 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
3653 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
3655 * mips.c (function_prologue): Set up the CFA when ABI_32.
3657 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
3658 for dwarf2 unwind info.
3659 (output_function_prologue, sparc_flat_output_function_prologue): Same.
3661 * final.c (final_end_function): Check dwarf2out_do_frame instead
3662 of DWARF2_DEBUG for dwarf2 unwind info.
3663 (final_scan_insn): Likewise.
3664 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
3667 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
3670 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
3672 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
3674 * v850.h (ASM_SPEC): Pass on target processor.
3675 (CPP_PREDEFINES): Only define if not already specified.
3676 (TARGET_VERSION): Only define if not already specified.
3677 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
3679 (EXTRA_SWITCHES): Extra entries in the switches array.
3680 (TARGET_DEFAULT): Set default target processor.
3682 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
3684 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
3685 cases, add %# and %/, and add : to make them into extended asms.
3687 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
3689 * alias.c (init_alias_analysis): Clean up incompatible pointer
3690 type warning in bzero.
3691 * regmove.c (regmove_optimize): Ditto.
3692 * haifa-sched.c (find_rgns): Ditto.
3694 * haifa-sched.c (print_value): Clean up ptr->int cast
3697 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
3699 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
3700 * install.texi (Configurations): Ditto.
3701 * config.sub: Ditto.
3703 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
3705 * Makefile.in (sdbout.o): Depend on insn-config.h.
3707 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
3709 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
3710 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
3712 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
3714 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
3715 prologue insn, only the first elt is significant.
3716 (output_call_frame_info): For exception handling, always use 4-byte
3717 fields as specified by the dwarf2 spec.
3718 Don't skip trivial FDEs.
3720 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
3722 * version.c: Bump for snapshot.
3724 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
3726 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
3727 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
3730 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
3732 * final.c (shorten_branches): During first pass, assume worst
3733 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
3735 * Makefile.in (distclean): Remove various things left around
3736 by running the testsuite.
3738 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
3740 * configure.in (out_file): Emit definition to config.status in order
3741 to have a defined value for configure.lang.
3742 * configure: Re-built.
3744 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
3746 * configure.in: Make symlink to as-new rather than as.new. Similarly
3748 * configure: Rebuilt.
3750 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
3752 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
3754 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
3756 * sparc/sparc.md: Add ultrasparc scheduling support.
3757 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
3759 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
3761 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
3762 as initial value for real_label_map.
3763 (copy_for_inline): Likewise.
3765 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3767 * sched.c (update_flow_info) When looking if to set found_split_dest
3768 or found_orig_dest, look at all parts of a PARALLEL.
3769 * haifa-sched.c (update_flow_info): Likewise.
3771 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
3773 * v850: New directory for v850 port.
3774 * v850/lib1funcs.asm: New file.
3775 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
3776 * ginclude/va-v850.h: New file.
3777 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
3778 * configure.in (mn10200-*-*): New target.
3779 * configure: Rebuilt.
3780 * config.sub: Handle v850-elf.
3781 * Makefile.in (USER_H): Add va-mn10200.h.
3782 * invoke.texi: Document v850 stuff.
3784 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
3786 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
3787 has integer TYPE_{MAX,MIN}_VALUE before using them.
3789 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
3790 __HPUX_ASM__ versions.
3792 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
3794 * install.sh: Delete duplicate install script.
3796 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
3798 * reg-stack.c (subst_stack_regs): Pop the stack register for a
3799 computed goto which sets the same stack register.
3801 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
3802 destination are both on the regstack.
3803 (subst_stack_regs_pat): Put the destination at the top of the regstack.
3805 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
3807 * mips.md (nonlocal_goto_receiver): Define.
3809 * profile.c (output_arc_profiler): Check next_insert_after for non
3810 NULL before deferencing it.
3812 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
3814 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
3816 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
3818 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
3820 * toplev.c (rest_of_compilation): For passes starting with
3821 flow_analysis, use print_rtl_with_bb instead of print_rtl.
3823 * print-rtl.c (print_rtl_single): Print a single rtl value to a
3826 * flow.c (print_rtl_with_bb): Print which insns start and end
3827 basic blocks. For the start of a basic block, also print the live
3830 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
3832 * toplev.c (main): Change #elif to #else/#ifdef
3834 * tlink.c: Include ctype.h.
3835 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
3837 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
3839 * bitmap.c: Conditionally include stdlib.h.
3840 (free): Provide a declaration if NEED_DECLARATION_FREE.
3842 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
3844 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
3846 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
3848 * profile.c (output_arc_profiler): Verify next_insert_after is an
3849 INSN before and after skipping a stack pop.
3851 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3853 * final.c (shorten_branches): Don't count the lengths of deleted
3856 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
3858 * version.c: Bump for snapshot.
3860 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
3862 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
3863 two bitmaps ANDed together.
3864 (bitmap_print): Declare.
3866 * bitmap.c (function_obstack): Don't declare any more.
3867 (bitmap_obstack): Obstack for allocating links from.
3868 (bitmap_obstack_init): New static to say whether to initialize
3870 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
3871 (bitmap_release_memory): Free all memory allocated from
3874 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
3875 EXECUTE_IF_AND_IN_BITMAP.
3877 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
3879 * alias.c (true_dependence): Address with AND can alias scalars.
3880 (anti_dependence, output_dependence): Likewise.
3882 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
3884 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
3886 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
3887 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
3888 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
3889 definitions. Use -qrtems instead of -mrtems.
3891 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
3893 * xm-sco5.h (sys_siglist): Define.
3894 (SYS_SIGLIST_DECLARED): Likewise.
3896 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
3898 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
3900 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
3902 * except.c (eh_outer_context): Expand masking operation using
3905 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
3907 * alpha.md (floatdisf2-1): New pattern.
3909 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
3911 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
3912 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
3913 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
3914 * gcc.texi: Note that if you define sys_siglist that you should
3915 also define SYS_SIGLIST_DECLARED.
3917 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
3918 are relative to the next instruction, not the current instruction.
3920 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
3922 * local-alloc.c (contains_replace_regs): New function.
3923 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
3924 verify that there is no existing REG_EQUIV note, and add a call to
3925 contains_place_regs.
3927 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3929 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
3930 (STARTFILE_SPEC): Always use crtbegin.o%s
3931 (ENDFILE_SPEC): Always use crtend.o%s.
3933 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
3935 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
3937 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
3938 SFmode for 64 bit hosts.
3940 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
3942 * fixincludes: Permits spaces between # and define. Discard C++
3943 comments in sys/pci.h on HP/UX 10.20.
3945 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
3947 * version.c: Bump for snapshot.
3949 * pa.c (restore_unscaled_index_insn_codes): New function.
3950 (record_unscaled_index_insn_codes): Likewise.
3951 (output_function_prologue): Call restore_unscaled_index_insn_codes.
3952 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
3953 (pa_reorg): Call record_unscaled_index_insn_codes.
3955 * haifa-sched.c (move_insn): Handle notes correctly for insns
3956 with SCHED_GROUP_P set.
3958 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3960 * alpha/xm-linux.h (USE_BFD): Undef before define.
3962 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
3964 * cse.c (cse_insn): Don't record BLKmode values.
3966 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
3968 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
3970 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
3972 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
3973 * collect2.c (sys_errlist): Likewise.
3974 * cpplib.c (sys_errlist): Likewise.
3975 * gcc.c (sys_errlist): Likewise.
3976 * protoize (sys_errlist): Likewise.
3977 * configure.in: Check for strerror.
3978 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
3979 * xm-gnu.h (HAVE_STRERROR): Likewise.
3980 * xm-linux.h (HAVE_STRERROR): Likewise.
3981 * xm-netbsd.h (HAVE_STRERROR): Likewise.
3982 * xm-bsd386.h (HAVE_STRERROR): Likewise.
3983 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
3984 * xm-dos.h (HAVE_STRERROR): Likewise.
3985 * xm-mingw32.h (HAVE_STRERROR): Likewise.
3986 * xm-pa.h (HAVE_STRERROR): Likewise.
3987 * xm-papro.h (HAVE_STRERROR): Likewise.
3988 * xm-sysv4.h (HAVE_STRERROR): Likewise.
3989 * configure, config.in: Rebuilt.
3991 * Makefile.in: Add several missing "else true" clauses.
3993 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
3994 * mips-tfile.c: Likewise.
3995 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
3996 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
3997 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
3998 * configure.in: Check for sys_siglist declaration.
3999 * configure, config.in: Rebuilt.
4001 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
4003 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
4004 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
4005 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
4006 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
4007 * rs6000/sysv4.h (extra_subtarget_switches): Added new
4008 macro EXTRA_SUBTARGET_SWITCHES.
4009 * configure.in (sh*-*-rtems*): New target.
4010 * sh/rtems.h: New file.
4011 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
4012 * configure: Rebuilt.
4014 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
4016 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
4018 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
4020 * rs6000.md: Make DF fused-add operations pay attention to
4023 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
4025 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
4027 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
4029 * pa.md (reload_peepholes): Make sure operand is a REG before
4030 examining REGNO. Allow general registers too.
4032 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
4034 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
4036 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
4038 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
4039 to reallocate abbrev_die_table.
4041 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
4043 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
4045 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4047 * Makefile.in (config.status): Depend on version.c
4049 * expr.h (insn_gen_function): Reenable prototype.
4051 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
4054 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
4056 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
4058 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
4060 * version.c: Bump for latest snapshot.
4062 * bc-optab.c: Conditionally include stdlib.h.
4063 (free): Provide a declaration if NEED_DECLARATION_FREE.
4064 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
4065 * rtl.h (free): Remove declaration.
4066 * tree.h (free): Remvoe declaration.
4068 * configure: Rebuilt.
4070 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
4072 * flags.h (flag_move_all_movables): Declare.
4073 (flag_reduce_all_givs): Likewise.
4074 * loop.c (move_movables): Handle flag_move_all_movables.
4075 (strength_reduce): Handle flag_reduce_all_givs.
4076 * toplev.c (flag_move_all_movables): Define.
4077 (flag_reduce_all_givs): Likewise.
4078 (f_options): Add -fmove-all-movables and -freduce-all-givs.
4079 * invoke.texi: Document new options, including alias stuff that
4080 wasn't included last time.
4082 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
4084 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
4087 * t-vxworks68: Ditto.
4088 * t-vxworks960: Ditto.
4091 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
4093 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
4094 if not already defined, and USE_C_ALLOCA not defined.
4096 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
4098 * config.guess: Replace with script that uses ../config.guess.
4100 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
4101 if USE_GNULIBC_1 is not defined.
4103 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
4105 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
4106 * config.guess: Recognize alpha-linux-gnulibc1.
4107 * configure.in (alpha-*-linux-gnulibc1): New target.
4108 (alpha-*-linux-gnu*): Don't build crtbegin/end.
4110 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
4112 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
4115 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
4117 * loop.c (combine_movables): Earlier insns don't match later ones.
4119 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4121 * config/linux.h (CC1_SPEC): Define it only if not defined.
4123 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
4126 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
4127 USE_GNULIBC_1 is not defined.
4129 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
4131 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
4132 as 1 if USE_GNULIBC_1 is not defined.
4134 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
4136 * reorg.c (dbr_schedule): Allow current_function_return_rtx
4137 to be something other than a REG.
4138 * function.c (expand_function_end): Fix current_function_return_rtx
4141 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
4142 * x-netbsd: Likewise
4143 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
4144 (INSTALL_HEADERS): Delete.
4145 * x-dguxbcs: Likewise.
4146 * x-hp3bsd44: Likewise
4149 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4151 * i386.md (pop): pop increments the stack pointer.
4152 (prologue_set_stack_ptr): New pattern.
4153 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
4156 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
4158 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
4159 address where an offsettable address is required.
4161 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
4163 * loop.c (check_final_value): Don't miss a biv increment in a
4166 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
4168 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
4169 TYPE_DECL_IS_STUB instead of DECL_NAME.
4171 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4173 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
4175 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
4177 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
4179 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
4181 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
4182 (find_post_sched_live): Likewise.
4184 * haifa-sched.c (schedule_block): Remove old code to get arguments
4185 from hard regs into pseudos early.
4187 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
4189 * version.c: Bump for new snapshot.
4191 * local-alloc.c (update_equiv_regs): All the target to reject
4192 promotion of some REG_EQUAL to REG_EQUIV notes.
4193 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
4195 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
4198 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
4199 store of the argument registers.
4201 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
4203 * fold-const.c (multiple_of_p): New function.
4204 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
4206 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
4208 * expr.h (insn_gen_function): Temporarily remove prototype.
4210 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
4212 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
4213 filenames. Use sed to extract base filename for install.
4215 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
4217 * unroll.c (find_splittable_givs): Only share if two givs have the
4218 same add and multiply values.
4220 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
4222 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
4223 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
4225 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
4227 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
4228 around branch tables.
4229 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
4230 and .end_brtab directives if TARGET_GAS.
4232 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
4234 * alias.c (true_dependence): Pass x_addr not x to varies.
4236 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
4237 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
4238 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
4240 * config.in, configure: Regenerate.
4242 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
4244 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
4246 (record_set): Handle LO_SUM like PLUS.
4247 (init_alias_analysis): When following chains of base addresses,
4248 do not stop on reaching a hard register.
4250 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
4252 * version.c: Bump for new snapshot.
4254 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
4256 * alpha.h (ARCH_ASM_FILE_START): Define.
4257 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
4258 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
4260 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
4262 * Makefile.in (install-common): Put gcov comment at start of line.
4264 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
4266 * alias.c (init_alias_analysis): When simplifying the reg_base_value
4267 array, simplify entries for hard registers too.
4269 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
4271 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
4274 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
4276 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
4277 block_stack before dereferencing it.
4279 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
4281 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
4283 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
4285 * cplus-dem.c: Add 'extern' to prepends_underscore.
4287 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
4289 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
4290 (get_issue_rate): Delete.
4291 * pa.h (ISSUE_RATE): Define.
4293 * configure.in: Turn on haifa by default for the PA.
4294 * configure: Rebuilt.
4295 * pa.c (override_options): Accept -mschedule=7200 option.
4296 (pa_adjust_cost): No longer need to scale costs for newer
4298 * pa.h (enum processor_type): Add PROCESSOR_7200.
4299 * pa.md: Revamp scheduling parameters to work better with
4300 haifa. Add scheduling parameters for the 7200.
4302 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
4304 (schedule_block): When adjusting basic_block_{head,end}, account
4305 for movement of SCHED_GROUP_P insns too.
4307 * haifa-sched.c (debug_dependencies): Fix thinko.
4309 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
4310 (site.exp, check, check-g++, check-gcc): New targets.
4312 * haifa-sched.c: Make lots of variables static.
4314 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4316 * expr.h, real.h: Finish prototyping.
4318 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
4320 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
4321 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
4322 * reload1.c: Undo bugfix from Aug 11.
4324 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
4326 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
4327 quotes around the name.
4328 * configure: Regenerate.
4330 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
4332 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
4334 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
4336 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
4337 to sub-makes to avoid building more passes than the user might have
4338 requested on the command line.
4340 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
4342 * configure.in: Expurgate `broken_install' (install is
4345 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
4348 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
4350 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
4351 functions and declarations.
4352 (analyze_loop_iterations): Use condjump_p.
4353 (insert_bct): Likewise. Use exact_log2.
4355 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
4357 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
4358 (schedule_region): Likewise.
4359 (schedule_insns): Likewise.
4361 * PROJECTS: Update with Haifa stuff.
4363 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
4365 * version.c: Change the version string to look like:
4366 egcs-2.90.00 970814 (gcc2-970802 experimental).
4368 * loop.c (is_conditional_branch): Make definition match declaration.
4370 * gcc.c: Take out experimental snapshot warning message.
4372 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
4374 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
4375 print out the names of the notes. Print out the name of the insn
4376 that is not a note, and not an {,CALL_,JUMP_}INSN.
4378 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
4380 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
4381 again for the slot after we give it RTL.
4383 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
4385 * configure.in (haifa configury): Fix typo.
4386 * configure: Regenerate.
4388 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
4390 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
4392 * gcc.info*: Rebuilt.
4394 * COPYING.g77, README.g77: New files.
4395 * real.c (ereal_unto_float, ereal_unto_double): New functions.
4396 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
4397 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
4399 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
4401 * Integrate Haifa instruction scheduler.
4402 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
4403 to sched with $(SCHED_CFLAGS.
4404 * configure.in: Handle --enable-haifa.
4405 * configure: Rebuilt.
4406 * flags.h: Add new flags for haifa instruction scheduler.
4407 * genattrtab.c (expand_units): For haifa, don't subtract one
4408 when computing blockage.
4409 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
4410 (flag_schedule_speculative): Ditto.
4411 (flag_schedule_speculative_load): Ditto.
4412 (flag_schedule_speculative_load_dangerous): Ditto.
4413 (flag_schedule_reverse_before_reload): Ditto.
4414 (flag_schedule_reverse_after_reload): Ditto.
4415 (flag_branch_on_count_reg): Ditto.
4416 (f_options): Add Haifa switches.
4417 (main): Turn off some Haifa options if appropriate macro is
4418 defined. Process Haifa switches.
4419 * unroll.c (iteration_info): No longer static, since Haifa
4421 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
4422 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
4423 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
4424 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
4425 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
4426 storage for the Haifa scheduler.
4427 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
4429 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
4430 are defined, call analyze_loop_iterations and insert_bct to use
4432 (record_giv): Refine test for jumps out of loops if HAIFA is
4434 (analyze_loop_iterations): New function to identify if we can use
4436 (insert_bct): Insert countdown loop.
4437 (instrument_loop_bct): Low level code to insert countdown loop.
4438 (loop_number): Calculate UID of loop.
4439 (indirect_jump_in_function_p): Return true if an indirect jump is
4441 (is_power_of_2): Return true if value is a power of 2.
4442 (is_conditional_branch): Return true if insn is a conditional
4444 (fix_bct_param): Process -fbct-{min,max}-N switches.
4445 (check_bct_param): Return true if loop should be instrumented.
4446 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
4447 (loop_optimize): Initialize.
4448 (get_condition_for_loop): Ditto.
4449 * loop.c (strength_reduce): Inside of code that uses #ifdef
4450 HAVE_decrement_and_branch_on_count code, test it to make sure the
4452 (instrument_loop_bct): Ditto.
4453 * haifa-sched.c: New file.
4456 * Integrate regmove pass.
4457 * Makefile.in (OBJS): Add regmove.o
4458 (regmove.o): Add dependencies.
4459 * flow.c (find_use_as_address): No longer static.
4460 * rtl.h (find_use_as_address): Declare.
4461 * toplev.c (regmove_dump, flag_regmove): Define.
4462 (f_options): Add -fregmove.
4463 (regmove_dump_file, regmove_time): Define.
4464 (fatal_insn): Close the regmove dump file.
4465 (compile_file): Initialize regmove_time; open/close the regmove dump
4466 file as needed. Print regmove time as needed.
4467 (rest_of_compilation): Run regmove pass if requested, dump
4468 RTL after regmove if requested.
4469 (main): If -O2 or more, turn on regmove. Handle dump switches.
4470 * regmove.c: New file.
4472 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
4474 * Integrate tlink patch from jason@cygnus.com
4475 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
4476 (process_command): Increment n_switches for them. Don't discard
4477 their args. Validate them.
4478 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
4480 (process_command): Set include_prefixes from COMPILER_PATH.
4481 (main): Set COLLECT_GCC_OPTIONS sooner.
4482 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
4483 * tlink.c, hash.c, hash.h: New files.
4484 * Makefile.in (USE_COLLECT2): Always use collect2.
4485 (collect2): Depend on and link in hash.o and tlink.o.
4486 (tlink.o, hash.o): Add dependencies.
4488 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
4490 * Integrate alias analysis changes from jfc@mit.edu
4491 * Makefile.in (OBJS): Add alias.o
4492 (alias.o): Add dependencies.
4493 * alias.c: New file.
4494 * sched.c: Remove alias analysis code. It lives in alias.c now.
4495 (sched_analyze_2): Add new arguments to true_dependence.
4496 (schedule_insns): Always call init_alias_analysis.
4497 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
4498 mark return value from such functions as a pointer and keep track of
4499 them for alias analysis. If a return value from a function is a
4500 pointer, mark it as such.
4501 * combine.c (distribute_notes): Handle REG_NOALIAS.
4502 * cse.c (struct write_data): Delete. No longer needed.
4503 (invalidate): Don't call set_nonvarying_address_components anymore.
4504 Use true_dependence to decide if an entry should be removed from
4506 (invalidate_memory): Remove WRITES argument, simplify appropriately.
4508 (note_mem_written): Similarly for WRITE_PTR argument.
4509 (invalidate_from_clobbers): Similarly for W argument.
4510 (invalidate_for_call): Remove memory elements from the hash table.
4511 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
4512 (cse_rtx_varies_p): New function. Derived from old
4513 cse_rtx_addr_varies_p.
4514 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
4515 Don't call note_mem_written anymore. Stack pushes invalidate the stack
4516 pointer if PUSH_ROUNDING is defined. No longer need to call
4517 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
4518 (skipped_writes_memory): Remove variable.
4519 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
4520 (invalidate_skipped_block): Simplify for new alias analysis code.
4521 (cse_set_around_loop): Likewise.
4522 (cse_main): Call init_alias_analysis.
4523 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
4524 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
4525 (f_options): Add new alias checking arguments.
4526 (main): Set flag_alias_check when optimizing.
4527 * local_alloc (validate_equiv_mem_from_store): Add new arguments
4529 (memref_referenced_p): Likewise.
4530 * loop.c (NUM_STORES): Increase to 30.
4531 (prescan_loop): Only non-constant calls set unknown_address_altered.
4532 (invariant_p): Add new arguments to true_dependence.
4533 (record_giv): Initialize unrolled and shared fields.
4534 (emit_iv_add_mult): Call record_base_value as needed.
4535 * loop.h (struct induction): Add unrolled and shared fields.
4536 * unroll.c (unroll_loop): Call record_base_value as needed.
4537 (copy_loop_body): Likewise.
4538 (final_biv_value): Likewise.
4539 (final_giv_value): Likewise.
4540 (find_splittable_regs): Likewise. Only create one new pseudo
4541 if we have multiple address GIVs that were combined with the same
4542 dst_reg GIV. Note when a new register is created due to unrolling.
4543 * rtl.c (reg_note_name): Add REG_NOALIAS.
4544 * rtl.h (enum reg_note): Similarly.
4545 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
4546 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
4547 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
4548 (true_dependence, read_dependence, anti_dependence): Likewise.
4549 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
4550 (mark_user_reg, mark_reg_pointer): Likewise.
4553 * Integrate reload bugfix from Wilon which enables the PA port
4555 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
4556 OPERAND_ADDRESS when computing how many registers an insn needs.
4557 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
4559 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
4561 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
4562 in reload_reg_use_in_op_addr do not reach the end.
4563 do not reach the end.
4564 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
4565 RELOAD_FOR_OPERAND_ADDRESS.
4567 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
4569 * egcs project officially starts.