1 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
4 (objc.stage2, objc.stage3, objc.stage4): Likewise.
6 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
8 * cse.c (simplify_ternary_operation): Don't try to simplify
9 IF_THEN_ELSE expressions (created by combine) that don't use
12 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
14 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
17 * crtstuff.c (init_dummy): Keep the epilogue in the init
18 section for non-ELF systems.
20 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
22 * sh.md (movqi_i+1): New peephole.
24 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
26 * Makefile.in: Remove remaining bytecode stuff.
27 * emit-rtl.c, expr.c: Likewise.
29 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
31 * toplev.c (lang_options): Add unknown-pragma options.
33 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
35 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
36 special (and incomplete) handling for Chill arrays.
38 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
40 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
43 Fri Jan 23 00:19:36 1998 Gavin Kock (gavin@cygnus.com)
45 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
47 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
49 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
50 .frame directive instead of FRAME_POINTER_REGNUM.
52 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
54 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
55 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
56 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
57 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
58 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
59 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
60 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
61 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
63 * longlong.h: Replace __mc68332__ with __mcpu32__.
65 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
67 * version.c: Bump for snapshot.
69 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
71 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
72 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
73 * reload1.c (eliminate_regs): Likewise.
75 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
77 * regmove.c (find_matches): Initialize matches->earlyclobber too.
79 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
81 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
82 (negsf2, negdf2): Use proper subtract in IEEE mode.
84 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
86 * Makefile.in: Remove more bytecode stuff.
87 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
88 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
89 * f/install.texi, objc/Make-lang.in: Likewise.
91 * Makefile.in: Remove all bytecode support.
92 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
93 * emit-rtl.c: Remove all bytecode support.
94 * expr.c, expr.h function.c, integrate.c: Likewise.
95 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
96 * tree.h, varasm.c: Likewise.
97 * config/m68k/m68k.h: Likewise.
98 * bi-*, bc-*, bytecode*: Delete bytecode related files.
99 * modemap.def: Likewise.
101 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
103 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
104 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
106 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
108 * i386.md (push): Prohibit symbolic constants if flag_pic.
109 (movsi+1): Likewise for move to non-register.
111 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
113 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
114 (print_operand): Handle 0xffffffff on 32 bit host.
116 * configure.in (thread_file): Rename uses before main loop to
117 target_thread_file. Initialize to empty in main loop. Set thread_file
118 to target_thread_file after main loop if not set.
119 * configure: Rebuild.
121 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
122 (add_values_to_cover): Revert last change (which had no ChangeLog
124 (simplify_with_current_value_aux): Handle CONST_INT.
126 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
128 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
130 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
132 * configure.in: Add cpp stringify test.
133 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
134 * gengenrtl.c: Use it.
135 * configure, config.in: Rebuild.
137 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
139 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
141 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
143 * configure.in: Find declaration for sbrk.
144 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
145 * config.in, configure: Rebuild.
146 * mips-tfile.c: Properly protect declaration of sbrk and free.
147 * toplev.c: Properly protect declaration of sbrk.
149 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
151 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
153 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
155 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
157 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
159 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
161 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
163 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
164 constant offset computations from objects with known alignment in
165 the presence of STACK_BIAS.
167 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
169 (const_hash): Hash val is unsigned long.
172 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
174 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
175 char pointer, not HOST_WIDE_INT.
176 (print_node): Likewise. Also hash is unsigned long not
179 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
181 * explow.c (optimize_save_area_alloca): New function for targets
182 where SETJMP_VIA_SAVE_AREA is true.
183 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
184 compute the amount of stack space needed should we find later that
185 setjmp is never called by this function, stuff rtl for this inside
186 a REG_NOTE of the final SET of stack_pointer_rtx.
187 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
188 current_function_calls_alloca, call optimize_save_area_alloca.
190 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
192 * i386.md: Remove redundant integer push patterns.
193 Don't bother checking for TARGET_PUSH_MEMORY when
194 pushing constants or registers.
196 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
197 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
199 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
200 (pwait): New function for mingw32.
202 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
203 pipe support is broken for now.
205 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
207 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
208 between frame_pointer_rtx, hard_frame_pointer_rtx, and
209 arg_pointer_rtx is respected in initialization.
210 (init_emit_once): Use gen_rtx_raw_REG() to create
211 return_address_pointer_rtx.
213 * reorg.c: #include "expr.h" for rtx prototypes.
214 * Makefile.in (reorg.o): Depend on expr.h
216 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
218 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
219 local_prefix to sub-make invocations.
221 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
223 * objc-parse.c: Recognize protocol qualifiers in class definitions.
225 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
229 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
230 * configure.in: Check for atol.
231 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
233 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
235 * loop.c (find_and_verify_loops): When attempting to move insns from
236 inside the loop outside the loop, create a BARRIER if no suitable
239 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
240 favor of an equivalent change from gcc-2.8.
242 * i386/x-sco5 (CC): Remove trailing whitespace.
244 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
246 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
247 (accessor_from_format): Likewise.
248 (xmalloc): New function for use when linking with alloca.o.
250 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
252 * frame.c (find_fde): Correct FDE's upper bound.
254 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
256 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
258 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
260 * calls.c (expand_call): Move #ifdef code out of macro argument
262 (emit_library_call, emit_library_call_value): Likewise.
264 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
266 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
268 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
270 * version.c: Bump for snapshot.
272 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
274 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
275 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
276 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
277 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
278 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
279 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
280 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
281 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
282 * unroll.c, varasm.c: Likewise.
283 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
285 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
287 * mips.h: Fix some type-o's from a previous change.
289 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
291 * loop.c (check_dbra_loop): Make sure initial value is a
292 CONST_INT before trying to normalize it.
294 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
296 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
298 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
300 * cppexp.c: Include gansidecl.h
302 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
304 * svr4.h (LINK_SPEC): Never specify -h.
305 * ptx4.h (LINK_SPEC): Likewise.
306 * rs6000/sysv4.h (LINK_SPEC): Likewise.
307 * sparc/sol2.h (LINK_SPEC): Likewise.
309 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
311 * c-typeck.c (comptypes): Exit early on NULL input.
313 * haifa-sched.c (schedule_insns): Correctly remove inter-block
314 dependencies after reload.
316 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
318 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
320 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
322 * alpha/vms.h (DIR_SEPARATOR): define
324 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
326 * Makefile.in (stamp-proto): Remove.
327 (protoize.o, unprotoize.o): Straightforward compile.
328 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
330 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
332 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
333 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
335 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
337 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
338 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
339 * sparc/netbsd.h, vax/netbsd.h: Likewise.
341 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
343 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
345 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
347 * configure.in (target_cpu_default, target_cpu_default2): Use double
348 quotes around them when testing their value.
349 * configure: Rebuilt.
351 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
353 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
355 (gendef): Call obstack_alloc_rtx.
357 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
359 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
362 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
364 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
365 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
366 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
368 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
370 * mips.md (return_internal): Change mode from SImode to VOIDmode.
372 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
374 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
377 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
379 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
380 suffix from operand 3.
382 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
383 Jeffrey A Law (law@cygnus.com)
385 * regmove.c: New implementation of regmove pass.
386 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
387 decls, make them have external linkage. Return a value from
389 * reload.h (count_occurrences): Add decl.
390 * reload1.c (count_occurrences): Delete decl, make it have external
392 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
394 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
396 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
397 if it is not defined.
399 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
401 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
402 * emit-rtl.c (gen_rtx): Move special code to ...
403 (gen_rtx_CONST_INT): New function.
404 (gen_rtx_REG): New function.
405 (*): Update all calls to gen_rtx.
406 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
407 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
408 (GEN_INT): Call gen_rtx_CONST_INT.
409 * gengenrtl.c: New file.
411 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
413 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
414 (base_alias_check): If no base found for address call canon_rtx and
417 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
419 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
420 arguments for mips16.
421 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
422 Don't lose if tsize is zero after handling large stack for mips16.
423 * mips.md (return): For trivial return, return address is in $31.
425 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
427 * mips/mips16.S: Various changes to make it work with -msingle-float
430 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
431 Ian Lance Taylor <ian@cygnus.com>
432 Jeff Law <law@cygnus.com>
434 * mips.c, mips.h, mips.md: First cut at merging in mips16
435 support. Major modifications throughout all three files.
437 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
439 * configure.in: Make gthr-default.h a forwarding header instead of
442 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
444 * gcov-io.h: Include sys/types.h to ensure we get size_t.
446 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
448 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
449 Jeffrey A Law (law@cygnus.com)
451 * crtstuff.c (__frame_dummy): New function for irix6.
452 (__do_global_ctors): Call __frame_dummy for irix6.
453 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
455 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
457 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
459 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
461 * c-decl.c (init_decl_processing): Provide proper fallback symbol
462 for __builtin_memset.
463 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
464 not INTEGER_CST. Assert arg 3 is a constant.
466 * alpha.c (mode_width_operand): Accept 64-bit modes.
467 (mode_mask_operand): Likewise.
468 (print_operand): Likewise for 'M' and 'U' codes.
469 (alpha_expand_unaligned_load): New function.
470 (alpha_expand_unaligned_store): Likewise.
471 (alpha_expand_unaligned_load_words): Likewise.
472 (alpha_expand_unaligned_store_words): Likewise.
473 (alpha_expand_block_move): Likewise.
474 (alpha_expand_block_clear): Likewise.
475 * alpha.h (MOVE_RATIO): New define.
476 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
477 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
479 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
480 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
482 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
484 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
487 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
489 * emit-rtl.c (operand_subword): Correctly handle extracting a word
490 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
492 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
495 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
497 * configure.in: Set and subsitute host_exeext. Use it when creating
498 the assembler and linker symlinks.
499 * configure: Rebuild.
500 * Makefile.in (exeext): Set to @host_exeext@.
501 (build_exeext): New variable, set to @build_exeext@.
502 (FLAGS_TO_PASS): Pass down build_exeext.
503 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
506 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
508 * mn10200.md (addsi3, subsi3): Fix thinkos.
510 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
512 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
513 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
514 unix always, since we want to be able to thunk to functions in a
515 shared library from an application.
517 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
519 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
520 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
522 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
524 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
525 offset's mode is not ptr_mode, convert it.
527 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
529 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
530 compiling if it was already defined.
532 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
534 * flow.c (find_basic_blocks): Don't create a new basic block
535 for calls in a LIBCALL block.
537 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
539 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
541 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
543 * cse.c (rtx_cost): Remove conflicting default case.
545 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
547 * configure.in: Move default enabling of Haifa out of for loop.
548 * configure: Rebuild.
550 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
552 * version.c: Bump for snapshot.
554 1997-12-25 Teemu Torma <tot@trema.com>
556 * Makefile.in (GTHREAD_FLAGS): New var.
557 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
558 (distclean): Remove gthr-default.h.
560 * configure.in: Accept dce as a thread package.
561 Check for thread.h and pthread.h.
562 Link gthr-default.h to appropriate thread file and set
564 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
565 include multilib definitions from pa/t-dce-thr.
566 (sparc-*-solaris2*): Enable threads by default, if thread.h or
567 pthread.h is found, preferring posix threads over solaris ones.
569 * config/pa/t-dce-thr: New file.
570 * config/pa/t-pa: Removed multilibs.
571 * config/sparc/t-sol2: Ditto.
574 * gthr-single.h: New file.
575 * gthr-posix.h: New file.
576 * gthr-solaris.h: New file.
577 * gthr-dce.h: New file.
578 * libgcc-thr.h: Removed.
579 * objc/thr-dce.c: New file copied from thr-decosf1.c.
581 * frame.c: Include gthr.h instead of libgcc-thr.h.
582 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
583 (eh_context_initialize): If __gthread_once fails, use static eh
585 (eh_context_free): Call __gthread_key_dtor.
587 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
589 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
591 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
593 * cse.c (max_insn_uid): New variable.
594 (cse_around_loop): Use max_insn_uid.
595 (cse_main): Set max_insn_uid.
597 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
598 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
599 -mlong64, and -mgp{32,64} options.
600 * mips.c (mips_abi): Change type to int.
601 * mips.h (enum mips_abi_type): Delete.
602 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
603 (mips_abi): Change type to int.
605 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
607 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
608 optimization is now always enabled.
610 * calls.c (expand_call): Recognize C++ operator new as malloc-like
613 * alias.c (memrefs_conflict_p): Eliminate tests now done by
615 (*_dependence): Call canon_rtx before base_alias_check.
616 (init_alias_once): New function to precompute set of registers which
617 can hold Pmode function arguments.
619 * rtl.h: Declare init_alias_once.
621 * toplev.c (compile_file): Call init_alias_once.
623 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
625 * tree.c (restore_tree_status): Do not dereference a null pointer.
627 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
629 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
630 RLIMIT_STACK. This maintains consistency with the recent, similar
631 patch to cccp.c and toplev.c.
633 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
635 * genattrtab.c (expand_units): For large nr opclasses, expand
636 function_units_used with ORX to prevent blowups. Tag with FFS.
637 (num_unit_opclasses): New variable.
638 (gen_unit): Update it.
639 (enum operator): Add ORX_OP.
640 (operate_exp): Treat ORX as or, except don't expand across an if.
641 Reuse number rtx's after operating on them.
642 (check_attr_value): Accept IOR, AND, & FFS.
643 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
644 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
645 (write_expr_attr_cache, write_toplevel_expr): New functions.
646 (write_attr_get): Handle FFS-tagged expressions.
647 (make_canonical): Don't expand const attributes.
648 (convert_const_symbol_ref): Dike out.
649 (evaluate_eq_attr): Handle SYMBOL_REF.
650 (main): Don't emit get_attr_foo for const attributes.
652 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
653 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
654 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
655 * alpha.md: Redo all of the scheduling, adding EV6 support, and
656 combining function units where possible.
657 (attr "type"): Split loads, stores, cmov into int/fp. Combine
658 multiplies and divides. Add EV6 sqrt, ftoi, itof.
659 (attr "opsize"): New attribute.
660 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
661 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
662 to control register allocation.
663 (movsi2-1, movdi2-1): Likewise.
665 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
667 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
668 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
669 Move OSF/1 specific defines out.
670 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
671 Move Linux specific defines out.
672 (LINK_SPEC): Genericize.
673 (ASM_FILE_START): Emit .arch if using more than the base insn set.
674 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
675 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
676 (HANDLE_SYSV_PRAGMA): Define.
677 * alpha/osf.h: New file.
678 * alpha/linux.h: Split. Retain file-format independant defines.
679 Import Linux bits from elf.h.
680 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
681 (FUNCTION_PROFILER): _mcount takes its address in $28.
682 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
683 * alpha/linux-ecoff.h: New file.
684 * alpha/linux-elf.h: New file.
685 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
686 * alpha/win-nt.h (TARGET_DEFAULT): Define.
687 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
688 Add new headers as appropriate.
690 * configure.in (alpha*): Enable Haifa by default.
691 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
692 * configure: Rebuild.
694 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
696 * Makefile.in (clean): Remove the stages with their objects here ...
697 (distclean): ... instead of here.
699 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
701 * cse.c (rtx_cost): Add default case in enumeration switch.
702 * fix-header.c (recognized_macro): Likewise.
703 (recognized_extern): Likewise.
704 (write_rbrac): Likewise.
705 * objc/objc-act.c (encode_aggregate): Likewise.
706 (gen_declarator): Likewise.
707 (gen_declspecs): Likewise.
709 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
711 * haifa-sched.c (create_reg_dead_note): Detect and handle another
712 case where we kill more regs after sched than were killed before
714 * sched.c (create_reg_dead_note): Similarly.
716 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
718 * c-pragma.c: Include flags.h.
720 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
722 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
723 about system headers.
724 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
725 and also to resolve symbols in prefix.c.
727 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
728 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
729 when the definitions in auto-config.h is not visible.
730 (HAVE_BZERO): Likewise.
731 (HAVE_BCMP): Likewise.
732 (HAVE_RINDEX): Likewise.
733 (HAVE_INDEX): Likewise.
735 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
737 * pa.c (emit_move_sequence): Handle a function label source
740 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
742 * c-pragma.c (handle_pragma_token): Generate warning messages
743 about unknown pragmas if warn_unknown_pragmas is set.
745 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
746 line option to set variable: warn_unknown_pragmas.
748 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
750 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
752 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
754 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
756 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
757 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
758 generate more fine grained floating point emulation libraries.
759 * config/fp-bit.c: Add protecting #ifdef to all functions so
760 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
761 then compile all suitable functions.
762 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
763 underscores to avoid namespace pollution.
764 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
766 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
770 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
771 Jeff Law <law@cygnus.com>
773 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
775 * c-decl.c (finish_decl): Use parentheses around && within ||.
776 * rtl.c: Include stdlib.h.
777 (read_skip_spaces): Add parentheses around assignments used as
779 (read_rtx): Initialize list_rtx.
780 * cppexp.c (parse_number): Use || when operands are truth values.
781 * alias.c (find_base_value): Add default case.
782 (memrefs_conflict): Likewise.
783 * combine.c (sets_function_arg_p): Likewise.
784 * genemit.c (gen_exp): Likewise.
785 * local-alloc.c (contains_replace_regs): Likewise.
786 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
787 * fold-const.c (fold_convert): Use "&&" for truth values.
788 (fold): Add default case.
789 * sdbout.c (sdbout_field_types): Fix typo in declaration.
790 (sdbout_one_type): Add default case.
791 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
792 (some_operand): Add default case.
793 (input_operand): Likewise.
794 (signed_comparison_operator): Likewise.
795 (divmod_operator): Likewise.
796 (alpha_set_memflags_1): Likewise.
797 * reload1.c (reload_cse_simplify_operands): Ensure function
798 always returns a value.
799 * scan-decls.c (scan_decls): Likewise.
800 * c-lex.c (skip_white_space): Fix typo in declaraion.
801 * c-typeck.c (comp_target_types): Add parentheses around assignment
803 (print_spelling): Likewise.
804 (constructor_implicit, constructor_result): Remove unused variables.
805 * collect2.c (scan_library): Protect prototype with
806 #ifdef SCAN_LIBRARIES.
807 * emit-rtl.c (find_line_note): Fix typo in declaration.
808 * final.c (asm_insn_count): Protect prototype with
809 #ifdef HAVE_ATTR_length.
810 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
811 (try_pre_increment_1, try_pre_increment): Likewise.
812 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
813 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
814 * gcov-io.h (__store_long, __write_long, __read_long): Fix
815 unsigned/signed comparisons.
816 * gcov.c (read_files): Remove unused "first_type" variable.
817 (scan _for_source_files): Initialize s_ptr.
818 (function_summary): Eliminate "%lf" formatting, use %ld for
820 (output_data): Initialize branch_probs and last_line_num.
821 Eliminate "%lf" formatting, use "%ld" for longs.
823 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
825 * mips16.S: New file.
827 * libgcc2.c (varargs): Handle mips16.
829 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
831 * stmt.c (expand_end_case): Likewise.
832 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
833 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
834 * rs6000.h, sh.h, tahoe.h, v850.h vax.h z8k.h: Likewise.
836 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
838 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
840 (libobjc.a): Update dependency list.
841 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
843 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
844 (objc.mostlyclean): Remove runtime-info.h.
846 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
848 * tree.c (build_range_type): Allow creation of ranges with no maximum.
849 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
850 * dwarf2out.c (add_subscript_info): Likewise.
851 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
852 * sdbout.c (plain_type_1): Likewise.
853 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
855 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
858 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
860 * mips.c (fatal): Remove declaration.
862 1997-12-18 Mark Mitchell <mmitchell@usa.net>
864 * integrate.c (get_label_from_map): New function.
865 (expand_inline_function): Use it. Initialize the label_map to
866 NULL_RTX instead of gen_label_rtx.
867 (copy_rtx_and_substitute): Use get_label_from_map.
868 * integrate.h (get_label_from_map): New function.
869 (set_label_from_map): New macro.
870 * unroll.c (unroll_loop): Use them.
871 (copy_loop_body): Ditto.
873 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
875 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
876 (INIT_TARGET_OPTABS): Define.
877 * mips/ecoff.h: Include gofast.h before mips.h.
878 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
879 * mips/elf64.h: Likewise.
880 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
882 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
884 * except.c: Remove register_exception_table{,_p}.
886 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
888 * unroll.c (calculate_giv_inc): Handle constant increment found in
889 a MEM with an appropriate REG_EQUAL note.
891 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
893 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
894 frame pointer in the prologue.
896 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
898 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
899 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
901 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
903 * config/m68k/m68k.c (output_function_prologue): Typecast
904 dwarf2out_cfi_label to (char *).
905 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
907 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
909 * sparc.md (jump): Don't use the annul bit around an empty loop.
910 Patch from Kevin.Kelly@East.Sun.COM.
912 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
914 * jump.c: (jump_optimize): Don't use the return register as a
915 source1 of a conditional move.
917 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
919 * sparc.c (DF_MODES): Or the mask not the bit number.
920 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
922 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
924 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
926 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
928 * fixincludes (size_t): Add support for Motorola's stdlib.h
929 which fails to provide a definition for size_t.
930 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
931 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
932 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
934 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
935 prevent unresolved externals in libio.
936 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
938 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
940 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
941 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
942 (LIB_SPEC): Updated for glibc 2.
944 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
946 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
947 * ginclude/varargs.h: Likewise.
949 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
951 * version.c: Bump for snapshot.
953 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
955 * frame.h (__register_frame, __register_frame_table,
956 __deregister_frame): New.
957 * frame.c (__register_frame, __register_frame_table,
958 __deregister_frame): New.
959 * frame.c (__deregister_frame_info): Return void *.
960 * frame.h (__deregister_frame_info): Ditto.
961 * collect2.c (__deregister_frame_info): Ditto.
963 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
965 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
967 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
969 * alpha.c (alpha_cpu_name): New variable.
970 (alpha_mlat_string): Likewise.
971 (alpha_memory_latency): Likewise.
972 (override_options): Handle -mmemory-latency.
973 (alpha_adjust_cost): Adjust load cost for latency.
974 * alpha.h (TARGET_OPTIONS): Add meory-latency.
975 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
976 TARGET_CIX into account.
977 (MEMORY_MOVE_COST): Define in terms of memory_latency.
978 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
980 * alpha.h (ASM_COMMENT_START): New macro.
982 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
984 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
985 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
987 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
988 SUBREG_REG if the word count is unchanged.
989 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
990 subregs of identical word size for push_reload.
992 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
994 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
995 if all we're doing is dealing with -Wreturn-type.
997 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
999 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
1000 Use and 255 instead of zapnot 1, since it schedules better.
1002 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
1004 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
1007 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
1009 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
1010 dependency we delete. Properly update prev for multiple consecutive
1012 (priority): Skip deleted dependence.
1014 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
1016 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
1018 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1020 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
1021 determining when a new basic block starts.
1023 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
1025 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
1026 * pa.md (iorsi3): Add missing args to *_operand calls.
1028 * except.c (call_get_eh_context): Don't mess with sequences.
1029 (emit_eh_context): Include the call in the sequence here.
1031 1997-12-11 Paul Eggert <eggert@twinsun.com>
1033 * collect2.c (write_c_file_glob): Allocate initial frame object
1034 in static storage and pass its address.
1036 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1038 * except.c (call_get_eh_context): Don't take a parm.
1039 Put the call at the top of the function.
1040 (emit_eh_context): Adjust.
1041 (get_eh_context): Replace with former use_eh_context.
1042 (get_eh_context_once, get_saved_pc_ref): Remove.
1043 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
1045 * integrate.c (expand_inline_function): Adjust.
1046 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
1048 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
1050 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
1051 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
1053 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
1055 * fixincludes (strlen,strspn,strcspn return value): Handle different
1057 (hypot): Provide a fake for hypot which is broken on
1058 m88k-motorola-sysv3.
1060 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
1062 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
1063 tree_code_name from pointers to arrays.
1064 * tree.c: Remove standard_tree_code_* variables, no longer used.
1065 * print-tree.c: Remove declaration of tree_code_name.
1067 * cp/lex.c (init_lex): Update for tree_code_* changes.
1068 * objc/objc-act.c (init_objc): Likewise.
1070 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
1073 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
1075 * config.sub: Add support for BeOS target.
1076 * configure.in: Likewise.
1077 * ginclude/stdarg.h: Likewise.
1078 * ginclude/stddef.h: Likewise.
1079 * ginclude/varargs.h: Likewise.
1080 * rs6000/beos.h: New file for BeOS.
1081 * rs6000/t-beos: Likewise.
1082 * rs6000/x-beos: Likewise.
1083 * rs6000/xm-beos.h: Likewise.
1084 * toplev.c (get_run_time): Just return 0 on BeOS.
1086 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
1087 Toon Moene (toon@moene.indiv.nluug.nl)
1089 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
1090 old and broken Sun3 assemblers. Newer versions handle large
1091 offsets correctly as does the GNU assembler.
1093 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
1095 * objc/objc-act.c (lang_report_error_function): Disable.
1096 * objc/objc-parse.y: Include "output.h".
1097 (yyerror): Remove redundant decl.
1098 (yyprint): Fix prototype.
1099 (apply_args_register_offset): Remove redundant decl.
1100 (get_file_function_name): Likewise.
1102 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
1104 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
1106 (find_basic_blocks_1): Likewise.
1108 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
1110 * except.c (use_eh_context): Don't copy_rtx a REG.
1111 (emit_throw): Lose old unwinder support.
1112 (expand_internal_throw): Likewise.
1113 * libgcc2.c (struct eh_context): Likewise.
1114 (new_eh_context): Likewise.
1115 (__get_eh_info): Lose redundant cast.
1116 (__get_dynamic_handler_chain): Likewise.
1117 (__get_saved_pc): Lose.
1118 Lose all old unwinder support code.
1120 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
1122 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
1124 * integrate.c (expand_inline_function): If the inline fn uses eh
1125 context, make sure that the current fn has one.
1126 * toplev.c (rest_of_compilation): Call emit_eh_context.
1127 * except.c (use_eh_context): New fn.
1128 (get_eh_context_once): New fn.
1129 (call_get_eh_context): New fn.
1130 (emit_eh_context): New fn.
1131 (get_eh_context): Call either get_eh_context_once or
1132 call_get_eh_context, depending on what we have.
1133 (get_dynamic_handler_chain): Call get_eh_context_once.
1134 * except.h: Prototypes for fns above.
1135 * optabs.c (get_eh_context_libfunc): Removed.
1136 (init_optabs): Don't initialize it.
1137 * expr.h (get_eh_context_libfunc): Removed.
1138 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
1139 * config/pa/pa.h (CPP_SPEC): Support for -threads.
1140 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
1141 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
1142 New multilib for -threads.
1143 * config/sparc/t-sol2: Added multilibs for -threads and
1144 made -pthreads alias to it.
1145 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
1146 Added -threads and -pthreads options.
1147 * libgcc-thr.h: New file.
1148 * libgcc2.c: (__get_cpp_eh_context): Removed.
1149 (struct cpp_eh_context): Removed.
1150 (struct eh_context): Replaced cpp_eh_context with generic language
1152 (__get_eh_info): New function.
1153 (__throw): Check eh_context::info.
1155 * libgcc2.c: Include libgcc-thr.h.
1156 (new_eh_context, __get_eh_context,
1157 eh_pthread_initialize, eh_context_initialize, eh_context_static,
1158 eh_context_specific, eh_context_free): New functions.
1159 (get_eh_context, eh_context_key): New variables.
1160 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
1161 get_eh_context to get the context.
1162 (longjmp): Move the declaration inside
1163 #ifdef DONT_USE_BUILTIN_SETJMP.
1164 * frame.c: Include libgcc-thr.h.
1165 (object_mutex): Mutex to protect the object list.
1166 (find_fde, __register_frame, __register_frame_table,
1167 __deregister_frame): Hold the lock while accessing objects.
1168 * except.h (get_eh_context): Declare.
1169 * except.c (current_function_ehc): Define.
1170 (current_function_dhc, current_function_dcc): Removed.
1171 (get_eh_context): New function.
1172 (get_dynamic_handler_chain): Use get_eh_context.
1173 (get_saved_pc_ref): Ditto.
1174 (get_dynamic_cleanup_chain): Removed references to
1175 current_function_dcc.
1176 (save_eh_status, restore_eh_status): Save and restore
1177 current_function_ehc instead.
1178 * optabs.c (get_eh_context_libfunc): New variable.
1179 (init_optabs): Initialize it.
1180 * expr.h: Declare get_eh_context_libfunc.
1181 * function.h (struct function): Replaced dhc and dcc with ehc.
1182 * except.c (get_saved_pc_ref): New functions.
1183 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
1184 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
1186 (end_eh_unwinder): Likewise.
1187 (init_eh): Remove initialization of eh_saved_pc.
1188 * optabs.c (get_saved_pc_libfunc): New variable.
1189 (init_optabs): Initialize it.
1190 * expr.h: Declare get_saved_pc_libfunc.
1191 * except.h (eh_saved_pc_rtx): Deleted.
1192 (get_saved_pc_ref): Declared.
1194 From Scott Snyder <snyder@d0sgif.fnal.gov>:
1195 * libgcc2.c (__get_saved_pc): New.
1196 (__eh_type, __eh_pc): Deleted.
1197 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
1198 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
1201 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
1203 * sparc/sol2.h: Use 64 bit multiply and divide functions in
1204 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
1207 * rtl.h (global_rtl): New variable, replacing separate variables for
1209 (const_int_rtx): Now array of rtx_def, not rtx.
1210 * emit-rtl.c: Update for new rtl data structures.
1211 * genattrtab.c: Define global_rtl.
1213 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
1215 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
1218 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
1220 * crtstuff.c (__do_global_ctors): Fix typo.
1222 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
1224 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
1225 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
1227 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
1229 * rs6000.h (FUNCTION_ARG_PADDING): Define.
1230 * rs6000.c (function_arg_padding): New function.
1232 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
1234 * m68k.c: Include tree.h only once.
1236 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1238 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
1240 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
1242 * Partially cleaned up prototyping code from HJ.
1243 * tree.h: Add many prototypes.
1244 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
1245 All references changed.
1246 * rtl.h: Protect from multiple inclusions. Add many prototypes.
1248 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
1250 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
1251 string functions like strlen.
1253 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
1255 * configure.in: Check for functions getrlimit and setrlimit.
1256 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
1257 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
1259 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
1261 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
1263 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
1265 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
1268 * alpha.c (override_options): Don't know about scheduling for EV6.
1269 * alpha.md (ev5 function units): Don't overload as ev6.
1271 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
1272 * alpha.md (define_attr type): Add mvi.
1273 (ev5_e0): Define sceduling parameters for it.
1274 (TARGET_MAX insns): Type is mvi not shift.
1276 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
1278 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
1280 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1282 * cstamp-h, auto-config.h: Delete.
1284 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
1286 * version.c: Bump for snapshot.
1288 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
1290 * cccp.c: Fix typo brought over in merge.
1292 * Merge in changes from gcc-2.8.
1294 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
1296 * m68k.c: Include tree.h for dwarf2out_cfi_label.
1298 * gcc.c (process_command): Do not take address of function fatal when
1299 calling lang_specific_driver.
1301 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
1303 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
1304 doesn't work with it yet, so set it to 0.
1305 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
1307 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
1309 * cse.c (cse_insn): Check for invalid entries when taking references.
1311 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1313 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
1314 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
1315 * toplev.c (rest_of_compilation): Pass it. Remove code to
1316 save / clear / restore flag_unroll_{,all_}loops.
1318 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
1320 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
1322 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
1324 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
1326 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
1328 * except.c (get_dynamic_handler_chain): Only make the call once per
1331 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
1333 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1335 * sh.c (final_prescan_insn): Use local label prefix
1336 when emitting .uses pseudo-ops.
1338 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
1340 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
1341 * except.c: Lose outer_context_label_stack.
1342 (expand_eh_region_end): Rethrow from outer_context here.
1343 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
1344 (expand_internal_throw): Take no args.
1345 (expand_internal_throw_indirect): Lose.
1346 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
1347 (expand_start_all_catch): Start a rethrow region.
1348 (expand_end_all_catch): End it.
1349 (expand_rethrow): New fn.
1350 * except.h: Reflect above changes.
1351 * flow.c: Revert change of Nov 27.
1353 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
1355 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
1357 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
1359 * except.c (expand_fixup_region_end): New fn.
1360 (expand_fixup_region_start): Likewise.
1361 (expand_eh_region_start_tree): Store cleanup into finalization here.
1362 * stmt.c (expand_cleanups): Use them to protect fixups.
1364 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
1366 * mips/mips.md (muldi3_r4000): Broaden the output template
1367 and attribute assignments to handle three operand dmult;
1368 rename to muldi3_internal2.
1369 (muldi3): Call the new muldi3_internal2 for R4000, and
1370 any GENERATE_MULT3 chip.
1372 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
1374 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
1376 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
1378 * unroll.c (find_splittable_givs): Remove last change. Handle givs
1379 with a dest_reg that was created by loop.
1381 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
1383 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
1385 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
1387 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
1389 * configure.in: Fix NCR entries.
1391 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
1393 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
1394 nested exceptions correctly.
1396 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
1397 that was created by loop.
1399 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
1401 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
1403 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
1405 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
1407 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
1408 (print_operand): Use SMALL_DATA_REG for the register involved in
1409 small data relocations.
1410 (print_operand_address): Ditto.
1412 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
1413 -dynamic linker is not used.
1415 * rs6000.md (call insns): For local calls, use @local suffix under
1416 System V. Don't use @plt under Solaris.
1418 * rs6000.c (output_function_profiler): Put label address in r0, and
1419 store LR in 4(sp) for System V/eabi.
1421 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
1422 byte boundary, and maintain stack backchain.
1424 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
1426 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
1427 fix_truncsfdi2): Change *.
1429 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
1431 * toplev.c (main): Complain about -gdwarfn.
1433 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
1435 * dwarfout.c (output_type): If finalizing, write out nested types
1436 of types we've already written.
1438 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
1440 (patches originally from Geoffrey Keating)
1441 * rs6000.c (function_arg): Excess floating point arguments don't
1442 go into GPR registers after exhausting FP registers under the
1444 (function_arg_partial_nregs): Ditto.
1446 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
1449 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
1451 * integrate.c (output_inline_function): Just unset DECL_INLINE.
1453 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
1455 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
1458 * libgcc2.c (__throw): Initialize HANDLER.
1460 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
1462 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
1463 fix_truncsfdi2): Change *X to ?*X.
1465 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
1467 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
1469 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
1471 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
1473 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
1475 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
1477 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
1479 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
1480 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
1483 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
1485 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
1486 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
1487 gas and not using the new HP assembler.
1489 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
1491 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
1492 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
1494 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
1496 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
1497 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
1500 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
1502 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
1504 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
1506 * except.h: Add outer_context_label_stack.
1507 * except.c: Likewise.
1508 (expand_start_all_catch): Push the outer_context for the try block
1509 onto outer_context_label_stack.
1510 (expand_end_all_catch): Use it and pop it.
1512 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
1514 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
1516 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
1518 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
1520 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
1522 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
1523 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
1525 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
1527 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
1528 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
1529 __builtin_delete, and __builtin_vec_delete.
1531 * except.c (output_exception_table): Don't bother with
1534 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
1536 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
1537 is an in/out operand.
1538 (zero extended variants of stwm/stwm patterns): Similarly.
1540 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
1542 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
1544 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
1546 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
1547 (output_call_frame_info): Emit a \n after using it.
1549 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
1551 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
1553 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
1555 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
1556 (ASM_OUTPUT_DWARF_VALUE4): New macro.
1557 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
1559 (output_call_frame_info): Do not output forward label differences
1560 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
1561 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
1563 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1565 * sh.md (attribute "type"): Add nil.
1566 (movsi_ie): y/y alternative is type nil.
1567 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
1569 (movsf_ie+1): Delete.
1571 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
1573 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
1574 large_int, emit two insns instead of one splitable insn.
1575 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
1576 from cfa_temp_value, use cfa_offset. Add assert checking that
1579 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
1581 * cccp.c (deps_output): Properly quote file names for make.
1583 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
1585 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
1587 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
1589 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
1591 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
1593 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
1595 (cse_end_of_basic_block): Similarly.
1597 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
1599 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
1600 (SELECT_RTX_SECTION): Define.
1601 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
1603 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
1605 * Makefile.in (compare, compare-lean): Define $stage for each
1607 (gnucompare, gnucompare-lean): Likewise.
1609 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
1611 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
1613 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
1614 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
1616 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
1618 * dwarfout.c (byte_size_attribute): Add local var upper_bound
1619 and add case to handle STRING_TYPE.
1620 * dwarfout.c (output_string_type_die): Fix code to generate
1621 correct string length attribute for fixed length strings.
1622 Still needs support for varying length strings.
1624 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
1626 * toplev.c (get_run_time): Do something sensible for cygwin32.
1628 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
1630 * expr.c (expand_builtin_setjmp): Set
1631 current_function_has_nonlocal_label.
1632 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
1633 call-saved registers across calls.
1635 * alpha.md (exception_receiver): Remove.
1636 (nonlocal_goto_receiver_osf): New
1637 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
1638 (nonlocal_goto_receiver): New, select _osf or _vms.
1640 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
1641 keep them from being propogated to the object file.
1642 (alpha_write_linkage): Likewise.
1643 * alpha.md (call_vms): Likewise.
1644 (call_value_vms): Likewise.
1645 (unnamed osf call insns): Likewise.
1647 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
1648 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
1650 * alpha.c (call_operand): Any reg is valid for WinNT.
1651 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
1652 (anon nt calls): Add 'R' alternative.
1653 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
1654 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
1656 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
1658 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
1660 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
1661 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
1662 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
1664 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
1666 * reload1.c (new_spill_reg): Improve fixed or forbidden register
1667 spill error message.
1669 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1671 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
1672 use varargs.h. Wrap header with <>, not "".
1674 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
1676 * integrate.c (save_for_inline_copying): Add return value from
1679 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
1681 * fixincludes: Be a little more restrictive on what we will
1682 substitute to replace definitions of MAXINT for HPUX.
1684 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
1686 * dbxout.c (dbxout_symbol_location): Don't assume that variables
1687 whose address is the stack or argument pointers are indirect
1690 1997-11-13 Paul Eggert <eggert@twinsun.com>
1692 * cccp.c, cpplib.c (compare_defs):
1693 Don't complain about arg name respellings unless pedantic.
1694 * cpplib.c (compare_defs): Accept pfile as new arg.
1695 All callers changed.
1697 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1699 * fold-const.c (fold_truthop): Fix bug in last change.
1701 1997-11-13 Paul Eggert <eggert@twinsun.com>
1703 Fix some confusion with IEEE minus zero.
1705 * real.h (REAL_VALUES_IDENTICAL): New macro.
1707 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
1708 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
1710 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
1711 same tree structure as 0.0.
1713 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
1714 macro instead of doing it by hand.
1716 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
1718 * v850/lib1funcs.asm: Minor whitespace changes.
1719 * v850.c: Fix minor formatting problems in many places.
1720 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
1722 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
1724 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
1725 xplus1 when xplus0 is not a register.
1727 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
1729 * flow.c (find_basic_blocks): During marking phase, if we encounter
1730 an insn with a REG_LABEL note, make the target block live and
1731 create an edge from the insn to the target block. Do not make
1732 edges from all blocks to the target block.
1734 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
1736 * confiugre.in: Tweak NCR entries.
1737 * configure: Rebuilt.
1739 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
1741 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
1742 pick apart floating point values, instead of using CONST_DOUBLE_LOW
1743 and CONST_DOUBLE_HIGH.
1745 * rs6000.md (define_splits for DF constants): Use the appropriate
1746 REAL_VALUE_* interface to pick apart DF floating point constants in
1747 a machine independent fashion.
1749 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1751 * fold-const.c (fold_truthop): When changing a one-bit comparison
1752 against zero into a comparison against mask, do a proper sign
1755 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
1757 * except.c: Do not include "assert.h".
1758 (save_eh_status): Turn asserts into conditional aborts.
1759 (restore_eh_status, scan_region): Likewise.
1760 * dwarfout.c: Do not include "assert.h".
1761 (bit_offset_attribute): Turn asserts into conditional aborts.
1762 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
1763 (output_inlined_structure_type_die): Likewise.
1764 (output_inlined_union_type_die): Likewise
1765 (output_tagged_type_instantiation): Likewise.
1766 (dwarfout_file_scope_decl): Likewise.
1767 * dwarf2out.c: Do not include "assert.h"
1768 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
1769 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
1770 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
1771 (add_bit_size_attribute, scope_die_for): Likewise.
1772 (output_pending_types_for_scope): Likewise.
1773 (get_inlined_enumeration_type_die): Likewise.
1774 (get_inlined_structure_type_die): Likewise.
1775 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
1776 (gen_tagged_type_instantiation_die): Likewise.
1778 * flow.c (find_basic_blocks): Refine further to get a more correct
1779 cfg, especially in the presense of exception handling, computed
1780 gotos, and other non-trivial cases. Call abort if an inaccuracy
1781 is detected in the cfg.
1783 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1785 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
1787 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
1788 (skip_white_space): Use whitespace_cr.
1789 (check_newline): Handle whitespace more consistently.
1791 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
1793 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
1794 * i386/xm-cygwin32.h (POSIX): Define.
1796 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
1798 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
1799 is available elsewhere.
1801 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
1803 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
1804 what the instruction can handle.
1806 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
1808 * stmt.c (expand_decl_cleanup_no_eh): New fn.
1810 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
1812 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
1814 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
1815 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
1817 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
1819 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
1820 swap instruction order.
1822 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
1824 * fixinc.svr4 (__STDC__): Add another case.
1826 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1828 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
1829 addresses in the epilogue delay slot.
1831 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
1833 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
1834 in generated `specs' file.
1836 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
1838 * flags.h (flag_rerun_loop_opt): Declare.
1839 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
1840 * toplev.c (flag_rerum_loop_opt): Delete static.
1842 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1844 Bring over from FSF:
1846 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1848 * va-sh.h (__va_arg_sh1): Define.
1850 SH3E doesn't use any integer registers for subsequent arguments
1851 once a non-float value was passed in the stack.
1852 * sh.c (machine_dependent_reorg): If optimizing, put explicit
1853 alignment in front label for ADDR_DIFF_VEC.
1854 * sh.h (PASS_IN_REG_P): Fix SH3E case.
1855 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
1857 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1859 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
1862 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1864 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
1865 put an use_sfunc_addr before each sfunc.
1866 * sh.md (use_sfunc_addr, dummy_jump): New insns.
1867 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
1869 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1871 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
1873 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
1875 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
1878 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
1880 * alias.c (find_base_value): Only return the known base value for
1883 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
1885 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
1886 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
1888 (prologue_get_pc_and_set_got): New pattern.
1890 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
1892 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
1893 for SUBREG, just fall through.
1895 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
1897 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
1899 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
1901 * fixincludes: Fix "hypot" prototype in NeXT math.h.
1903 * Makefile.in (USE_ALLOCA): Always include alloca.o.
1904 (USE_HOST_ALLOCA): Likewise.
1906 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
1907 and LABEL_REFS fields.
1908 * rtl.h (LABEL_REFS): Update.
1910 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
1912 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
1913 sets i2dest. When calling distribute_notes for i3dest_killed, pass
1914 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
1917 * mips.md (insv, extzv, extv): Add change_address call.
1918 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
1920 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
1922 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
1924 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
1925 save_restore_insns if no FP and GP will be restored.
1927 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
1928 Convert CCmode to word_mode before calling GET_MODE_SIZE.
1930 * acconfig.h (HAVE_INTTYPES_H): Undef.
1931 * configure.in (inttypes.h): Check for conflicts between sys/types.h
1932 and inttypes.h, and verify that intmax_t is defined.
1933 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
1934 * config/mips/x-iris3: Likewise.
1936 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
1938 * alias.c (find_base_value): When copying arguments, return the
1939 tenative value for a hard register.
1941 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
1943 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
1944 (yylex): Record wide strings using target endianness, not host.
1946 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
1948 * mn10200.h (ASM_OUTPUT_BSS): Delete.
1949 (ASM_OUTPUT_ALIGNED_BSS): New macro
1950 * mn10300.h (ASM_OUTPUT_BSS): Delete.
1951 (ASM_OUTPUT_ALIGNED_BSS): New macro.
1952 * v850.h (ASM_OUTPUT_BSS): Delete.
1953 (ASM_OUTPUT_ALIGNED_BSS): New macro.
1955 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
1957 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
1959 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
1961 * configure.in (sco5): Use cpio to install header files.
1963 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
1965 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
1967 * configure: Rebuild.
1969 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
1971 * i386/sco5.h: enable -gstabs once again.
1973 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
1975 * arm.c (output_move_double): Allocate 3 entries in otherops array.
1977 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
1979 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
1980 notes for sjlj exceptions too.
1981 (expand_eh_region_end): Similarly for EH_REGION_END notes.
1982 (exception_optimize): Optimize EH regions for sjlj exceptions too.
1983 * final.c (final_scan_insn): Don't output labels for EH REGION
1984 notes if doing sjlj exceptions.
1986 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
1988 * alias.c (init_alias_analysis): Handle -fno-alias-check when
1989 optimizing correctly.
1991 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
1992 or set current_function_calls_setjmp anymore.
1994 * flow.c (find_basic_blocks): If we delete the label for an
1995 exception handler, remove it from the EH label list and remove
1996 the EH_BEGIN/EH_END notes for that EH region.
1998 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
2000 * flow.c (find_basic_blocks): Generate correct flow control
2001 information when exception handling notes are present.
2003 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
2005 * dwarf2out.c (output_call_frame_info): Fix length argument
2006 to ASM_OUTPUT_ASCII.
2007 (output_die, output_pubnames, output_line_info): Likewise.
2009 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
2011 * version.c: Bump for snapshot.
2013 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
2014 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
2015 flag_debug_asm is on.
2016 (output_die, output_pubnames, output_line_info): Likewise.
2018 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
2019 and static_chain_rtx into the potential base values array if
2022 * alias.c (new_reg_base_value): New array of potential base values.
2023 (unique_id): Now file scoped static.
2024 (find_base_value, case REG): Return the value in reg_base_value
2025 array for the REG if it exists. Else, return the value from
2026 new_reg_base_value if copying args and REG is a hard register.
2027 (find_base_value, case PLUS): If either operand of the PLUS is
2028 a REG, try to get its base value. Handle base + index and
2030 (record_set): Use new_reg_base_value instead of reg_base_value.
2031 (init_alias_analysis): Allocate space for new_reg_base_value too.
2032 Rework code to iterate over the insns propagating base value
2033 information until nothing changes.
2035 * global.c (global_alloc): Free the conflict matrix after
2036 reload has finished.
2038 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
2040 * libgcc2.c (L_eh): Define __eh_pc.
2041 Replace __eh_type with generic pointer __eh_info.
2043 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
2045 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
2046 use copy_to_reg if address is not a general_operand.
2048 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2050 * profile.c (output_func_start_profiler): Clear flag_inline_functions
2051 for the duration of the call to rest_of_compilation.
2053 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
2055 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
2057 (sparc*-*-*): Recognize --with-cpu=v9.
2058 * sparc/elf.h: New file.
2059 * sparc/t-elf: New file.
2061 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
2063 * mn10300.c (const_8bit_operand): New function.
2064 (mask_ok_for_mem_btst): New funtion.
2065 * mn10300.md (btst patterns with mem operands): Use new functions
2066 to avoid creating btst instructions with invalid operands.
2068 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
2070 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
2071 are running on PowerPC Linux.
2073 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
2075 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
2076 if not previously defined.
2078 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
2080 * function.c (assign_parms): Correct mode of stack_parm if
2081 entry_parm underwent a mode conversion.
2083 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
2085 * global.c (global_alloc): Use xmalloc instead of alloca for
2086 CONFLICTS, since max_allocno * allocno_row_words alone can be more
2087 than 2.5Mb sometimes.
2089 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
2091 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
2092 DEST for the spill, adjust mode of SRC to compensate.
2094 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
2096 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
2097 since any_memory_operand() allows pseudos during reload.
2098 (reload_inhi, reload_outqi, reload_outhi): Likewise.
2100 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
2102 * m68k.md (btst patterns): Add 5200 support.
2104 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
2106 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
2107 optimizations, look inside dividend to determine if the expression
2108 can be simplified by using EXACT_DIV_EXPR.
2110 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
2113 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
2115 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
2117 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
2119 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
2121 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
2124 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
2126 * alpha.md (movqi, movhi): Make sure new insns created during reload
2127 won't need reloading themselves.
2128 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
2130 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
2132 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
2134 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
2136 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
2137 Patch from Klaus Kaempf <kkaempf@progis.de>.
2139 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
2141 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
2142 to an element in a constant string.
2144 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
2146 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
2147 bit PC-relative offset. The exception range table pointer is now in
2149 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
2150 (count_fdes, add_fdes, get_cie): Adjust.
2151 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
2154 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
2156 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
2158 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
2159 like stack_pointer_rtx.
2161 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
2163 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
2164 targets using "$@" to provide support for similar but not identical
2165 targets without having to duplicate code.
2166 (bootstrap4): New goal.
2168 * Makefile.in (compare, compare-lean, compare3): Combined to one
2169 ruleset determining actions to be performed via $@.
2170 (compare4, compare4-lean): New targets.
2171 (gnucompare, gnucompare3): Combined to one ruleset determining
2172 actions to be performed via $@. Also, note which files failed
2173 the comparison test in .bad_compare.
2174 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
2176 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
2178 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
2179 if the dividend is a multiple of the divisor.
2181 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
2183 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
2185 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
2188 * alias.c (true_dependence): Fix typo.
2190 * toplev.c (flag_rerun_loop_opt): New variable.
2191 (f_options): Handle -frerun-loop-opt.
2192 (rest_of_compilation): If -frerun-loop-opt, then run the loop
2194 (main): Enable -frerun-loop-opt by default for -O2 or greater.
2196 * loop.c (simplify_giv_expr): Adding two invariants results
2199 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
2201 * expr.c (get_inner_reference): Remove the array bias after
2202 converting the index to Pmode.
2204 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
2206 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
2207 (TARGET_MULT_BUG): Define.
2208 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
2209 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
2211 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
2213 * mn10200.c (indirect_memory_operand): Delete unused function.
2214 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
2215 * mn10200.md (bset, bclr insns): Handle output in a reg too.
2217 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
2219 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
2220 the callee's ldgp, we must do it ourselves, and we use the jsr tag
2221 for more than scheduling.
2223 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
2225 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
2227 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
2229 * mn10300.c (symbolic_operand, legitimize_address): New functions.
2230 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
2231 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
2233 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
2235 * version.c: Bump for snapshot.
2237 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2239 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
2242 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
2244 * toplev.c (flag_exceptions): Default value is 2.
2245 (compile_file): If flag_exceptions still has the value 2, then
2248 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
2249 (rs6000_save_machine_status): Save pic_offset_table_rtx.
2250 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
2252 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
2255 * rs6000.md (*movsi_got_internal_mem): New pattern.
2256 (*movsi_got_internal_mem splitter): New define_split.
2258 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
2260 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
2262 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
2264 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
2265 only need to save LR.
2267 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
2269 * mn10300.md (movqi, movhi): Avoid using address registers as
2270 destinations unless absolutely necessary.
2272 * mn10200.c (expand_prologue): Fix typo.
2274 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
2276 * mn10200.md (neghi2): Provide an alternative which works if
2277 the input and output register are the same.
2279 * mn10300.c (print_operand): Handle 'S'.
2280 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
2281 shift amount in last alternative
2283 * mn10300.c (expand_epilogue): Rework to handle register restores
2284 in "ret" and "retf" instructions correctly.
2286 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
2288 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
2289 extzv for memory operands.
2291 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
2292 redundant conditional moves to single operand.
2294 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
2296 * v850.h: Move define of __v850__ from CPP_PREDEFINES
2299 * xm-v850.h: Use __v850 rather than __v850__ to
2302 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
2304 * mips/mips.c (compute_frame_size): Not a leaf function if
2307 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
2309 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
2311 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
2313 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
2314 (DEFAULT_ARCH32_P): New macro.
2315 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
2316 (enum cmodel): Declare.
2317 (sparc_cmodel_string,sparc_cmodel): Declare.
2318 (SPARC_DEFAULT_CMODEL): Provide default.
2319 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
2320 (TARGET_FULLANY): Deleted.
2321 (TARGET_CM_MEDMID): New macro.
2322 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
2323 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
2324 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
2325 (CPP_SPEC): Rewrite.
2326 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
2327 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
2328 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
2329 (ASM_SPEC): Add %(asm_arch).
2330 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
2331 Rename asm_default to asm_cpu_default.
2332 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
2333 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
2334 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
2335 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
2336 (MASK_INT64,MASK_LONG64): Delete.
2337 (MASK_ARCH64): Renamed to MASK_64BIT.
2338 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
2339 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
2340 (TARGET_SWITCHES): Always provide 64 bit options.
2341 (ARCH64_SWITCHES): Delete.
2342 (TARGET_OPTIONS): New option -mcmodel=.
2343 (INT_TYPE_SIZE): Always 32.
2344 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
2345 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
2346 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
2347 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
2348 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
2350 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2351 * sparc/linux.h: Likewise.
2352 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
2353 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
2354 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
2355 (SPARC_DEFAULT_CMODEL): Define.
2356 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
2357 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2358 (LONG_DOUBLE_TYPE_SIZE): Define.
2359 (ASM_SPEC): Add %(asm_arch).
2360 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
2361 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2362 (TARGET_CPU_DEFAULT): Add ultrasparc case.
2363 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
2364 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
2365 (SPARC_DEFAULT_CMODEL): Define.
2366 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
2367 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
2368 MASK_LONG64, MASK_MEDANY.
2369 (SPARC_DEFAULT_CMODEL): Define.
2370 (CPP_PREDEFINES): Delete.
2371 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
2372 (ASM_SPEC): Add %(asm_arch).
2373 (LONG_DOUBLE_TYPE_SIZE): Define.
2374 (DWARF2_DEBUGGING_INFO): Define.
2375 * sparc/splet.h (CPP_SPEC): Delete.
2376 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
2377 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
2378 (BLOCK_PROFILER): Likewise.
2379 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
2380 (sparc_override_options): Handle code model selection.
2381 (sparc_init_expanders): Renamed from sparc64_init_expanders.
2382 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
2383 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
2384 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
2385 (sethi_di_fullany): Delete.
2387 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
2388 Jeff Law <law@cygnus.com>
2389 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2391 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
2392 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
2393 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
2394 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
2395 * alpha/alpha.md (arg_home): Likewise.
2397 * alpha/alpha.c (vmskrunch): Delete
2398 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
2399 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
2400 truncate to 64 characters.
2402 * make-l2.com: Support openVMS/Alpha.
2404 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
2406 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
2408 * longlong.h (count_leading_zeros): Add missing casts to USItype.
2410 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
2412 * i386/bsd386.h (ASM_COMMENT_START): Define.
2414 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
2416 * tree.c (restore_tree_status): Also free up temporary storage
2417 when we finish a toplevel function.
2418 (dump_tree_statistics): Print stats for backend obstacks.
2420 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
2422 * expr.c (use_group_regs): Don't call use_reg for MEMs.
2424 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
2426 * libgcc2.c (__throw): Don't copy the return address.
2427 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
2429 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
2430 * toplev.c (main): Initialize exceptions_via_longjmp.
2432 * tree.c: Add extra_inline_obstacks.
2433 (save_tree_status): Use it.
2434 (restore_tree_status): If this is a toplevel inline obstack and we
2435 didn't want to save anything on it, recycle it.
2436 (print_inline_obstack_statistics): New fn.
2437 * function.c (pop_function_context_from): Pass context to
2438 restore_tree_status.
2439 * obstack.h (obstack_empty_p): New macro.
2441 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
2443 * i386/freebsd.h (ASM_COMMENT_START): Fix.
2445 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
2447 * v850.c (ep_memory_offset): New function.
2448 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
2450 * v850.h (CONST_OK_FOR_*): Add and correct comments.
2451 (CONSTANT_ADDRESS_P): Add comment.
2452 (EXTRA_CONSTRAINT): Define 'U'.
2453 * v850.md: Add comments on bit field instructions.
2454 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
2455 (lshrsi3): Use N not J constraint.
2457 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
2459 * v850.c (reg_or_0_operand): Call register_operand.
2460 (reg_or_int5_operand): Likewise.
2461 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
2462 (TARGET_SWITCHES): Add "big-switch".
2463 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
2464 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
2465 (CASE_DROPS_THROUGH): Comment out.
2466 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
2467 * v850.md (cmpsi): Delete compare mode.
2468 (casesi): New pattern.
2470 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
2471 * v850.md (ashlsi3): Use SImode not QImode for shift count.
2472 (lshrsi3): Likewise.
2474 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
2475 unreachable switch statement after 'b' support. Remove "b" from
2476 strings for 'b' support.
2477 * v850.md (branch_normal, branch_invert): Change %b to b%b.
2479 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
2481 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
2482 empty line if @inhibit_libc@ is empty.
2484 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
2486 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
2487 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
2488 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
2489 (DWARF2_UNWIND_INFO): Let this track object file format.
2490 (EXTRA_SECTIONS): Add in_eh.
2491 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
2492 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
2494 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
2496 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
2497 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
2499 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
2500 (output_double_int): Output DI mode values correctly when
2501 HOST_BITS_PER_WIDE_INT is 64.
2502 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
2503 fmovd so it works if a quad float ends up in one of the upper 32
2505 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
2506 necessary for PIC support on sparc64.
2508 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
2510 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
2511 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
2512 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
2513 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
2514 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
2515 (SPARC_FP_ARG_FIRST): New macro.
2516 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
2517 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
2518 (NPARM_REGS): There are 32 fp argument registers now.
2519 (FUNCTION_ARG_REGNO_P): Likewise.
2520 (FIRST_PARM_OFFSET): Update to new v9 abi.
2521 (REG_PARM_STACK_SPACE): Define for arch64.
2522 (enum sparc_arg_class): Delete.
2523 (sparc_arg_count,sparc_n_named_args): Delete.
2524 (struct sparc_args): Redefine and use for arch32 as well as arch64.
2525 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
2526 (FUNCTION_ARG_ADVANCE): Rewrite.
2527 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
2528 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
2529 (FUNCTION_ARG_CALLEE_COPIES): Delete.
2530 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
2531 (STRICT_ARGUMENT_NAMING): Define.
2532 (doublemove_string): Declare.
2533 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
2534 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
2535 (doublemove_string): New function.
2536 (output_move_quad): Clean up some of the arch64 support.
2537 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
2538 Don't add 8 bytes of reserved space if arch64.
2539 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
2540 (init_cumulative_args): New function.
2541 (function_arg_slotno): New static function.
2542 (function_arg,function_arg_partial_nregs): New functions.
2543 (function_arg_{pass_by_reference,advance}): New functions.
2544 (function_arg_padding): New function.
2545 * ginclude/va-sparc.h: Rewrite v9 support.
2547 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
2549 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
2550 for hard regs to determine base and index registers.
2552 * reload.c (debug_reload_to_stream): New function. Specify stream
2553 into which to write debug info.
2554 (debug_reload): Modify to call debug_reload_to_stream with stderr.
2556 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
2558 * combine.c (can_combine_p): Don't combine with an asm whose
2559 output is a hard register.
2561 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
2563 * c-decl.c (start_struct): Ensure that structs with forward
2564 declarations are in fact packed when -fpack-struct is given.
2566 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
2567 we are packing a structure. This allows a structure with only
2568 bytes to be aligned on a byte boundary and have no padding on a
2571 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2573 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
2575 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
2577 * alpha.c (alpha_return_addr_rtx): New variable.
2578 (alpha_save_machine_status): New; save it.
2579 (alpha_restore_machine_status): New; restore it.
2580 (alpha_init_expanders): New; clear it.
2581 (alpha_return_addr): New; set it.
2582 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
2583 is overly conservative, so search the insns explicitly.
2584 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
2585 (alpha_sa_size [VMS && !VMS]): Likewise.
2586 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
2587 (INIT_EXPANDERS): New definition.
2589 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
2590 (output_prolog [!VMS]): Use them.
2592 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
2593 (alpha_does_function_need_gp): ... a new function. Refine the
2594 CALL_INSN test to just TYPE_JSR.
2595 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
2597 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
2599 * version.c: Bump for snapshot.
2601 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2603 * pa.c (move_operand): Respect -mdisable-indexing.
2604 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
2606 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
2608 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
2610 (umulsidi3,umulsi3_highpart): Ditto.
2611 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
2613 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
2615 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
2616 (alpha_handle_trap_shadows): ... a new function. Handle the entire
2617 function in one go. Emit RTL for trapb, instead of printf directly.
2618 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
2619 (trap_pending): Kill global variable.
2620 (output_epilog): Don't call final_prescan_insn.
2621 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
2622 * alpha.h (FINAL_PRESCAN_INSN): Remove.
2623 (MACHINE_DEPENENT_REORG): Define.
2624 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
2627 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
2629 Tune Haifa scheduler for Alpha:
2630 * alpha.h (ISSUE_RATE): Define.
2631 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
2632 EV4 adjustments to EV5.
2633 * alpha.md: Remove all scaling from function unit delays. Rework
2634 EV5 function units to match the CPU.
2635 (umuldi3_highpart): EV5 added the IMULH insn class.
2637 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
2639 * pa.c (following_call): Fail if the CALL_INSN is an indirect
2642 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
2644 * cplus-dem.c (demangle_signature): Don't look for return types on
2645 constructors. Handle member template constructors.
2647 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
2649 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
2650 * tree.h: Declare them.
2652 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
2654 * configure.in: Handle --with-newlib.
2655 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
2657 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
2659 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
2661 * config/ptx4.h: Fix typo.
2663 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
2665 * version.c: Bump for snapshot.
2667 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
2669 * aclocal.m4: Substitute INSTALL.
2670 * configure: Re-built.
2672 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
2674 * integrate.c (save_for_inline_copying): Avoid undefined pointer
2676 (expand_inline_function): Likewise.
2678 * dwarf2out.c (output_call_frame_info): Reinstate last change
2679 using flag_debug_asm check instead of flag_verbose_asm.
2681 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
2683 * dwarf2out.c (output_call_frame_info): Remove last change.
2685 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2687 * frame.c (__frame_state_for): Execute the FDE insns until the
2688 current pc value is strictly bigger than the target pc value.
2690 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
2692 * regclass.c (init_reg_modes): If we can't find a mode for the
2693 register, use the previous one.
2695 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
2697 * haifa-sched.c (print_block_visualization): Call fprintf directly,
2698 don't sprintf through an alloca'ed buffer.
2700 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
2702 * reload.c (decompose): Always initialize val.base.
2704 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
2706 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
2707 instead of aborting.
2708 * dwarf2out.c (output_call_frame_info): Call app_enable and
2709 app_disable to let GNU as accept the generated comments.
2711 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
2713 * tree.h (get_file_function_name): Add declaration.
2714 * dwarf2out.c (output_call_frame_info): No need to cast
2715 get_file_function_name call anymore.
2716 * profile.c (toplevel): Remove get_file_function_name
2718 * c-lang.c (finish_file): Ditto.
2720 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
2722 * Makefile.in (program_transform_name): Let autoconf substitute
2725 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
2727 * haifa-sched.c (schedule_block): If the first real insn in a
2728 block has any special notes attached to it, remove them.
2730 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
2732 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
2734 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
2736 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
2738 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
2740 * Makefile.in (check-g77): New test target.
2741 (CHECK-TARGETS): Add check-g77.
2743 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
2745 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
2747 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
2749 * flow.c (print_rtl_with_bb): Cast alloca return value for
2752 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
2754 * i386.h (RETURN_ADDR_RTX): New definition that works for
2755 __builtin_return_address(0) and -fomit-frame-pointer.
2757 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
2759 Bring over from FSF.
2760 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
2762 * mips.c (function_arg): Handle passing a struct
2763 containing a double in a DFmode register without the PARALLEL.
2765 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
2767 * pexecute.c: Use spawn if __CYGWIN32__.
2769 * pexecute.c: Include "config.h" first, as per autoconf manual
2770 (from Paul Eggert <eggert@twinsun.com>).
2772 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
2774 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
2775 optimisation for f/expr.o and f/stb.o.
2777 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
2779 * cse.c (this_insn_cc0_mode): Initialize.
2781 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
2783 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
2785 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
2787 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
2789 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
2790 that pair will dual-issue on the 21164 and plus+beq won't.
2791 (bne): Likewise for cmpeq+beq.
2793 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
2795 * except.c (find_exception_handler_labels): Correct argument to free.
2797 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
2799 * except.c (find_exception_handler_labels): Free LABELS when we're
2802 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
2804 * version.c: Bump for snapshot.
2806 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
2808 * flow.c (find_basic_blocks): Mark calls as potentially jumping
2811 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
2813 * configure.in: Substitute for "install" too.
2814 * configure: Rebuilt.
2816 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
2818 * Makefile.in (bootstrap-lean, compare-lean): New targets.
2820 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
2822 * alias.c (base_alias_check): Two symbols can conflict if they
2823 are accessed via AND.
2824 (memrefs_conflict_p): Likewise.
2826 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
2827 after flushing argument registers to the stack.
2829 * Makefile.in (mostlyclean): Remove .regmove files.
2831 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
2833 * libgcc2.c (__throw): Fix thinko.
2835 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
2837 * cplus-dem.c (demangle_template): Add new parameter. Handle new
2838 template-function mangling.
2839 (consume_count_with_underscores): New function.
2840 (demangle_signature): Handle new name-mangling scheme.
2842 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
2844 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
2847 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
2849 * frame.c: Remove last change.
2850 * dwarf2.h: Remove last change.
2851 * tree.h: Add declarations of DWARF2 unwind info support
2854 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
2856 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
2857 * tree.h (built_in_function): Likewise.
2858 * expr.c (expand_builtin): Likewise.
2859 * except.h: Likewise.
2860 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
2861 * libgcc2.c (copy_reg): New fn.
2864 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
2866 * c-typeck.c (build_binary_op): Warn about comparing signed vs
2867 unsigned if -W is specified and -Wno-sign-compare is not.
2868 * c-decl.c (warn_sign_compare): Initialize to -1.
2869 (c_decode_option): -Wall no longer implies -Wsign-compare.
2871 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2873 * frame.c: Include gansidecl.h for PROTO.
2874 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
2875 defined. Don't declare dwarf2out_cfi_label here.
2876 * dwarf2.h: Add declarations of DWARF2 unwind info support
2878 * m68k.c: Include dwarf2.h.
2879 (output_function_prologue): Add dwarf2 support.
2880 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
2881 (INCOMING_FRAME_SP_OFFSET): Likewise.
2883 * integrate.c (expand_inline_function): Make sure there is at
2884 least one insn that can be used as an insertion point.
2886 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
2888 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
2890 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
2892 * version.c: Bump for snapshot.
2894 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
2896 Bring over from FSF.
2898 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
2900 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
2901 (get_pc_via_rdpc): Renamed from get_pc_sp64.
2902 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
2904 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
2906 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
2907 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
2909 (sparc_align_{loops,jumps,funcs}_string): Declare.
2910 (sparc_align_{loops,jumps,funcs}): Declare.
2911 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
2912 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
2913 (STACK_BIAS): Define.
2914 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
2916 (SPARC_SETHI_P): New macro.
2917 (CONST_OK_FOR_LETTER_P): Use it.
2918 (ASM_OUTPUT_ALIGN_CODE): Define.
2919 (ASM_OUTPUT_LOOP_ALIGN): Define.
2920 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
2921 (sparc_align_{loops,jumps,funcs}): New globals.
2922 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
2924 (move_operand): Use SPARC_SETHI_P.
2925 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
2927 (arith11_double_operand): Likewise.
2928 (arith10_double_operand): Likewise.
2929 (finalize_pic): Finish sparc64 support.
2930 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
2931 64 bit constants if able.
2932 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
2933 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
2935 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
2936 (get_pc_sp32): Use for sparc64 as well.
2937 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
2938 (sethi_di_sp64_const): Likewise.
2939 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
2940 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
2941 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
2943 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
2945 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
2946 * sparc/linux.h (COMMENT_BEGIN): Likewise.
2947 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
2949 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
2951 Add sparc64 linux support.
2952 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
2953 to xm_file list on 32-bit sparc-linux.
2954 * sparc/xm-sp64.h: New file.
2955 * sparc/linux64.h: New file.
2956 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
2957 Don't include xm-sparc.h.
2958 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
2959 * glimits.h (LONG_MAX): Handle sparc64.
2961 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
2963 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
2964 * sparc.h (ASM_COMMENT_START): Define.
2965 * sparc.c (output_function_prologue): Use it.
2966 (sparc_flat_output_function_{epi,pro}logue): Likewise.
2968 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
2970 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
2971 use sparc.h's copies.
2972 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
2975 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2977 * sparc.c (dwarf2out_cfi_label): Add declaration.
2978 (save_regs, output_function_prologue): Remove cast for it.
2979 (sparc_flat_{save_restore,output_function_prologue): Likewise.
2980 ({save,restore}_regs): No longer inline.
2982 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2984 * fold-const.c (make_range): Correctly handle cases of converting
2985 from unsigned to signed type.
2987 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2989 * fold-const.c (merge_ranges): Make sure that if one range is subset
2990 of another, it will always be the second range. Correct (+,-) case to
2993 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
2995 * final.c (final_end_function): Also do dwarf2 thing if
2996 DWARF2_DEBUGGING_INFO.
2997 (final_start_function): Likewise.
2999 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
3001 * expmed.c (expand_divmod): If compute_mode is not the same as
3002 mode, handle the case where convert_modes() causes op1 to no
3003 longer be a CONST_INT.
3005 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
3006 note holding get_jump_flags() calculation to all JUMP_INSNs.
3007 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
3008 * rtl.c (reg_note_name): Add new note types.
3010 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
3012 * rtlanal.c (computed_jump_p): Fix typo in last change.
3014 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3016 * loop.c (indirect_jump_in_function_p): Return 0
3019 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
3021 * rs6000/xm-rs6000.h: Fix thinko in last change.
3022 * rs6000/xm-sysv4.h: Likewise.
3024 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
3026 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
3028 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
3030 * reg-stack.c (find_blocks): Fix thinko in last change.
3032 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3034 * m68k.c (output_function_prologue): Add dwarf2 support.
3036 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
3037 INCOMING_FRAME_SP_OFFSET): New definitions.
3039 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
3041 * combine.c (try_combine): Use NULL_RTX instead of '0' where
3042 appropriate in calls to gen_rtx().
3043 * cse.c (cse_main): Likewise.
3044 * emit-rtl.c (gen_label_rtx): Likewise.
3045 * expr.c (init_expr_once): Likewise.
3046 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
3047 sched_analyze, init_rgn_data_dependences,
3048 compute_block_backward_dependences): Likewise.
3049 * sched.c (schedule_insns): Likewise.
3050 * varasm.c (immed_double_const): Likewise.
3052 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
3053 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
3055 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
3057 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
3058 (MULTILIB_DEFAULTS): Define.
3059 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
3060 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
3061 (LIBGCC_SPEC): Likewise.
3062 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
3063 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
3064 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
3065 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
3066 (EXTRA_PARTS, TAROUTOPTS): Delete.
3067 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
3068 (MULTILIB_OPTIONS): Define.
3069 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
3070 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
3072 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
3074 * version.c: Bump for snapshot.
3076 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
3078 * loop.c (loop_number): Delete function. Change all references
3079 to use uid_loop_num array.
3080 * loop.h (loop_number): Delete declaration.
3081 * unroll.c (unroll_loop): Change "loop_number" references to
3082 use uid_loop_num instead.
3084 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
3086 (loop_unroll_iter): Remove unused variable and all references.
3087 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
3088 (insert_bct): Fix minor formatting problems.
3089 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
3090 (loop_unroll_iter): Removed unused decl.
3091 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
3092 Always record the unrolling factor.
3094 * cse.c (simplify_relational_operation): Set h0u just like h0s.
3095 Similarly for h1u and h1s.
3097 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
3098 (find_basic_blocks): Use computed_jump_p to determine if a
3099 particular JUMP_INSN is a computed jump.
3100 * reg-stack.c (find_blocks): Use computed_jump_p to determine
3101 if a particular JUMP_INSN is a computed jump.
3102 * rtlanal.c (jmp_uses_reg_or_mem): New function.
3103 (computed_jump_p): Likewise.
3104 * rtl.h (computed_jump_p): Declare.
3105 * genattrtab.c (pc_rtx): Define and initialize.
3106 * loop.c (loop_optimize): Always determine if the current
3107 function has a computed jump.
3108 (indirect_jump_in_function_p): Use computed_jump_p to determine
3109 if a particular JUMP_INSN is a computed jump.
3111 * loop.c (fix_bct_param): Delete unused function.
3112 (check_bct_param): Likewise.
3114 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
3116 * frame.c (__deregister_frame): Check properly for initialized object.
3118 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3120 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
3122 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3124 * jump.c (thread_jumps): check can_reverse_comparison_p before
3125 threading a reversed-condition jump.
3127 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
3128 * haifa-sched.c (update_flow_info): Likewise.
3130 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
3132 * Makefile.in (BOOT_CFLAGS): Use -O2.
3134 * configure.in (strtoul, bsearch): Have autoconf check for these
3136 * configure, config.in: Rebuilt.
3138 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
3139 * mips/mips.h (alloca): Likewise.
3140 * rs6000/xm-rs6000.h (alloca): Likewise.
3141 * rs6000/xm-sysv4.h: Likewise.
3143 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
3145 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
3146 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
3147 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
3149 * except.c (end_eh_unwinder): Subtract 1 from return address.
3150 * libgcc2.c (__throw): Likewise.
3151 (find_exception_handler): Don't change PC here. Compare end with >.
3153 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
3155 * v850.c (compute_register_save_size): Correct register
3157 * v850.md (save_interrupt, return_interrupt): Correct
3159 * v850/lib1funcs.asm (save_interrupt): Correct register number.
3160 (return_interrupt): Use stack pointer, not element pointer.
3162 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
3164 * configure.in, configure: Make sure to create the stage* and include
3165 symbolic links in each subdirectory.
3167 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
3169 * pa.md (reload_peepholes): Don't allow addresses with side
3170 effects for the memory operand.
3172 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
3174 * libgcc2.c (find_exception_handler): Subtract one from our PC when
3175 looking for a handler, to avoid hitting the beginning of the next
3178 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
3180 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
3182 * mips/abi64.h (LONG_MAX_SPEC): Define.
3183 * mips.h (LONG_MAX_SPEC): Define.
3184 (CPP_SPEC): Include long_max_spec.
3185 (EXTRA_SPECS): Include long_max_spec.
3187 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
3189 * v850.c (construct_save_jarl): Fix thinko in last change.
3191 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
3193 * version.c: Bump for snapshot.
3195 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
3197 * libgcc2.c (find_exception_handler): Not found is -1.
3199 * integrate.c (expand_inline_function): Move expand_start_bindings
3200 after expanding the arguments.
3202 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
3204 * expr.c (expand_expr): Remove previous incorrect change.
3205 If target and slot has no DECL_RTL, then call mark_addressable
3206 again for the slot after we give it RTL.
3208 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
3210 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
3211 again for the slot after we give it RTL.
3213 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
3215 * v850.c (register_is_ok_for_epilogue,
3216 pattern_is_ok_for_epilogue, construct_restore_jr,
3217 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
3219 * v850.h (pattern_is_ok_for_prologue,
3220 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
3223 * v850.md: Replace prologue and epilogue patterns with a
3224 match_parallel pattern.
3226 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
3228 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
3229 * configure.in: Use EGCS_PROG_INSTALL.
3231 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
3233 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
3234 extern inline function.
3236 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
3238 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
3239 (concat_loc_descriptor): New function.
3240 (loc_descriptor): Call it.
3241 (add_AT_location_description): Also elide the descriptor if both
3242 halves of a CONCAT are pseudos.
3243 (add_location_or_const_value_attribute): Recognize CONCAT too.
3245 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
3247 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
3249 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
3250 out-or-range reg_offset.
3251 (output_epilog): Likewise.
3253 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
3255 * cse.c (simplify_relational_operation): If MODE specifies a
3256 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
3257 is derived from the sign bit of the low word.
3259 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
3261 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
3263 * dwarf2.h: Add DW_CFA_GNU_args_size.
3264 * frame.c (execute_cfa_insn): Likewise.
3265 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
3266 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
3267 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
3268 insn, hand it off to dwarf2out_stack_adjust.
3269 (dwarf2out_begin_prologue): Initialize args_size.
3270 * frame.h (struct frame_state): Add args_size.
3271 * libgcc2.c (__throw): Use args_size.
3272 * final.c (final_scan_insn): If we push args, hand off all insns
3273 to dwarf2out_frame_debug.
3274 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
3276 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
3277 Handle epilogue restore of SP from FP.
3278 * emit-rtl.c (gen_sequence): Still generate a sequence if the
3279 lone insn has RTX_FRAME_RELATED_P set.
3281 * frame.c (extract_cie_info): Handle "e" augmentation.
3282 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
3283 absence of UNALIGNED_*_ASM_OP.
3284 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
3285 (output_call_frame_info): Use "e" instead of "z" for augmentation.
3286 Don't emit augmentation fields length.
3287 (dwarf2out_do_frame): Move outside of #ifdefs.
3288 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
3291 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
3292 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
3293 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
3294 * sparc/sun4gas.h: New file.
3295 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
3297 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
3298 __register_frame_table and __deregister_frame.
3300 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
3302 * except.c (find_exception_handler_labels): Use xmalloc instead of
3303 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
3306 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
3308 * Makefile.in: Various changes to build info files
3309 in the object tree rather than the source tree.
3311 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
3313 * fixinc.math: New file to fix math.h on some systems.
3314 * configure.in (freebsd, netbsd): Use fixinc.math on these
3316 * configure: Rebuilt.
3318 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
3320 * regmove.c (regmove_optimize): If we end up moving the
3321 original insn due to lifetime overlaps, make sure to move
3324 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
3326 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
3328 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
3330 * haifa-sched.c (add_branch_dependences): Make each insn in
3331 a SCHED_GROUP_P block explicitly depend on the previous insn.
3333 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
3335 * except.h: Prototype dwarf2 hooks.
3338 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
3340 * configure.in (native_prefix): Delete.
3341 (mips-dec-netbsd): Don't set prefix.
3342 (*linux*): Don't set prefix.
3344 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
3346 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
3347 defined. If not defined, include <sys/varargs.h> if
3348 HAVE_SYS_VARARGS_H is defined.
3349 * configure.in: Test for varargs.h and sys/varargs.h.
3350 * configure: Regenerate with autoconf.
3351 * config.in: Regenerate with autoheader.
3353 * cpplib.c (quote_string): Cast first arg of sprintf call
3354 from "unsigned char *" to "char *".
3355 (output_line_command): Ditto.
3356 (macroexpand): Ditto.
3357 (do_line): Cast atoi arg from "unsigned char *" to "char *".
3359 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
3361 * version.c: Bump for snapshot.
3363 * Makefile.in (compare): Exit with nonzero status if there
3364 are comparison failures. Note which files failed the
3365 comparison test in .bad_compare.
3367 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3369 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
3371 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
3373 * Makefile.in (LN, LN_S): New macros, use where appropriate.
3374 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
3375 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
3376 * configure: Regenerated.
3378 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
3380 * loop.c (strength_reduce): Fix typo.
3382 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
3384 * m88k/m88k.c (struct option): Rename to struct options.
3385 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
3386 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
3387 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
3388 __DOLPHIN__ or sysV88.
3390 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
3392 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
3395 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
3397 * config.sub: Accept 'amigados' for backward compatability.
3399 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3401 * Makefile.in (testsuite/site.exp): New target.
3402 (check-gcc, check-g++): Depend on testsuite/site.exp.
3403 Don't stop for failure.
3405 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
3407 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
3408 if DWARF2_UNWIND_INFO.
3410 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
3412 Add support for exception handling using DWARF 2 frame unwind info.
3413 Currently works on SPARC and MIPS, and almost on x86.
3415 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
3416 next_stack_level, in_reg_window): Helper fns.
3417 (__throw): Implement for DWARF2_UNWIND_INFO.
3419 * expr.c (expand_builtin): Handle builtins used by __throw.
3420 * tree.h (enum built_in_function): Add builtins used by __throw.
3421 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
3422 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
3423 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
3424 (expand_builtin_extract_return_addr): Likewise.
3425 (expand_builtin_frob_return_addr): Likewise.
3426 (expand_builtin_set_return_addr_reg): Likewise.
3427 (expand_builtin_eh_stub): Likewise.
3428 (expand_builtin_set_eh_regs): Likewise.
3429 (eh_regs): Choose two call-clobbered registers for passing back values.
3431 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
3432 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
3433 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
3434 (stmp-multilib): Likewise.
3435 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
3437 * except.c: #include "defaults.h".
3438 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
3439 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
3440 (register_exception_table_p): New fn.
3441 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
3442 (end_eh_unwinder): Likewise.
3444 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
3445 call __register_frame and __deregister_frame as needed.
3446 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
3447 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
3448 EH_FRAME_SECTION_ASM_OP.
3449 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
3450 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
3451 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
3453 * dwarf2out.c (output_call_frame_info): If no support for
3454 EXCEPTION_SECTION, mark the start of the frame info with a
3456 * collect2.c (frame_tables): New list.
3457 (is_ctor_dtor): Recognise frame entries.
3458 (scan_prog_file): Likewise.
3459 (main): Pass -fno-exceptions to sub-compile. Also do collection
3460 if there are any frame entries.
3461 (write_c_file_stat): Call __register_frame_table and
3462 __deregister_frame as needed.
3463 (write_c_file_glob): Likewise.
3465 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
3466 Also require unaligned reloc support.
3467 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
3468 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
3469 * sparc/sysv4.h: Not here.
3471 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
3472 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
3473 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
3475 * libgcc2.c (L_eh): Reorganize, moving code shared by different
3476 EH implementations to the top.
3477 (find_exception_handler): Split out. Start from 0. Compare against
3479 (__find_first_exception_table_match): Use it.
3480 * except.c (output_exception_table): Don't do anything if there's
3481 no table. Don't output a first entry of zeroes.
3482 (eh_outer_context): Adjust properly.
3483 (add_eh_table_entry): Use xrealloc.
3484 * toplev.c (compile_file): Just call output_exception_table.
3486 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
3488 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
3490 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
3492 * except.c (eh_outer_context): Do masking using expand_and.
3494 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
3496 Add port done awhile ago for the ARC cpu.
3497 * arc/arc.h: New file.
3498 * arc/arc.c: New file.
3499 * arc/arc.md: New file.
3500 * arc/initfini.c: New file.
3501 * arc/lib1funcs.asm: New file.
3502 * arc/t-arc: New file.
3503 * arc/xm-arc.h: New file.
3504 * ginclude/va-arc.h: New file.
3505 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
3506 * ginclude/varargs.h: Likewise.
3507 * Makefile.in (USER_H): Add va-arc.h.
3508 * configure.in (arc-*-elf*): Recognize.
3509 * longlong.h: Add ARC support.
3511 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
3513 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
3514 when clearing non-BLKmode data.
3516 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
3518 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
3519 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
3521 * xm-m88k.h (USG): Only define if it hasn't already been defined.
3523 * Makefile.in (risky-stage1): Delete gratutious whitespace.
3525 * Makefile.in (clean): Delete libgcc1-test.
3527 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
3529 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
3531 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
3534 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3536 * dwarf2out.c (output_call_frame_info): Call named_section.
3538 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
3540 * haifa-sched.c (print_value): Fix last change.
3542 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
3544 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
3547 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
3549 * mips.c (function_prologue): Set up the CFA when ABI_32.
3551 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
3552 for dwarf2 unwind info.
3553 (output_function_prologue, sparc_flat_output_function_prologue): Same.
3555 * final.c (final_end_function): Check dwarf2out_do_frame instead
3556 of DWARF2_DEBUG for dwarf2 unwind info.
3557 (final_scan_insn): Likewise.
3558 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
3561 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
3564 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
3566 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
3568 * v850.h (ASM_SPEC): Pass on target processor.
3569 (CPP_PREDEFINES): Only define if not already specified.
3570 (TARGET_VERSION): Only define if not already specified.
3571 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
3573 (EXTRA_SWITCHES): Extra entries in the switches array.
3574 (TARGET_DEFAULT): Set default target processor.
3576 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
3578 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
3579 cases, add %# and %/, and add : to make them into extended asms.
3581 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
3583 * alias.c (init_alias_analysis): Clean up incompatible pointer
3584 type warning in bzero.
3585 * regmove.c (regmove_optimize): Ditto.
3586 * haifa-sched.c (find_rgns): Ditto.
3588 * haifa-sched.c (print_value): Clean up ptr->int cast
3591 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
3593 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
3594 * install.texi (Configurations): Ditto.
3595 * config.sub: Ditto.
3597 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
3599 * Makefile.in (sdbout.o): Depend on insn-config.h.
3601 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
3603 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
3604 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
3606 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
3608 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
3609 prologue insn, only the first elt is significant.
3610 (output_call_frame_info): For exception handling, always use 4-byte
3611 fields as specified by the dwarf2 spec.
3612 Don't skip trivial FDEs.
3614 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
3616 * version.c: Bump for snapshot.
3618 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
3620 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
3621 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
3624 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
3626 * final.c (shorten_branches): During first pass, assume worst
3627 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
3629 * Makefile.in (distclean): Remove various things left around
3630 by running the testsuite.
3632 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
3634 * configure.in (out_file): Emit definition to config.status in order
3635 to have a defined value for configure.lang.
3636 * configure: Re-built.
3638 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
3640 * configure.in: Make symlink to as-new rather than as.new. Similarly
3642 * configure: Rebuilt.
3644 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
3646 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
3648 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
3650 * sparc/sparc.md: Add ultrasparc scheduling support.
3651 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
3653 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
3655 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
3656 as initial value for real_label_map.
3657 (copy_for_inline): Likewise.
3659 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3661 * sched.c (update_flow_info) When looking if to set found_split_dest
3662 or found_orig_dest, look at all parts of a PARALLEL.
3663 * haifa-sched.c (update_flow_info): Likewise.
3665 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
3667 * v850: New directory for v850 port.
3668 * v850/lib1funcs.asm: New file.
3669 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
3670 * ginclude/va-v850.h: New file.
3671 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
3672 * configure.in (mn10200-*-*): New target.
3673 * configure: Rebuilt.
3674 * config.sub: Handle v850-elf.
3675 * Makefile.in (USER_H): Add va-mn10200.h.
3676 * invoke.texi: Document v850 stuff.
3678 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
3680 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
3681 has integer TYPE_{MAX,MIN}_VALUE before using them.
3683 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
3684 __HPUX_ASM__ versions.
3686 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
3688 * install.sh: Delete duplicate install script.
3690 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
3692 * reg-stack.c (subst_stack_regs): Pop the stack register for a
3693 computed goto which sets the same stack register.
3695 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
3696 destination are both on the regstack.
3697 (subst_stack_regs_pat): Put the destination at the top of the regstack.
3699 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
3701 * mips.md (nonlocal_goto_receiver): Define.
3703 * profile.c (output_arc_profiler): Check next_insert_after for non
3704 NULL before deferencing it.
3706 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
3708 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
3710 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
3712 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
3714 * toplev.c (rest_of_compilation): For passes starting with
3715 flow_analysis, use print_rtl_with_bb instead of print_rtl.
3717 * print-rtl.c (print_rtl_single): Print a single rtl value to a
3720 * flow.c (print_rtl_with_bb): Print which insns start and end
3721 basic blocks. For the start of a basic block, also print the live
3724 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
3726 * toplev.c (main): Change #elif to #else/#ifdef
3728 * tlink.c: Include ctype.h.
3729 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
3731 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
3733 * bitmap.c: Conditionally include stdlib.h.
3734 (free): Provide a declaration if NEED_DECLARATION_FREE.
3736 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
3738 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
3740 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
3742 * profile.c (output_arc_profiler): Verify next_insert_after is an
3743 INSN before and after skipping a stack pop.
3745 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3747 * final.c (shorten_branches): Don't count the lengths of deleted
3750 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
3752 * version.c: Bump for snapshot.
3754 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
3756 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
3757 two bitmaps ANDed together.
3758 (bitmap_print): Declare.
3760 * bitmap.c (function_obstack): Don't declare any more.
3761 (bitmap_obstack): Obstack for allocating links from.
3762 (bitmap_obstack_init): New static to say whether to initialize
3764 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
3765 (bitmap_release_memory): Free all memory allocated from
3768 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
3769 EXECUTE_IF_AND_IN_BITMAP.
3771 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
3773 * alias.c (true_dependence): Address with AND can alias scalars.
3774 (anti_dependence, output_dependence): Likewise.
3776 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
3778 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
3780 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
3781 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
3782 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
3783 definitions. Use -qrtems instead of -mrtems.
3785 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
3787 * xm-sco5.h (sys_siglist): Define.
3788 (SYS_SIGLIST_DECLARED): Likewise.
3790 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
3792 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
3794 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
3796 * except.c (eh_outer_context): Expand masking operation using
3799 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
3801 * alpha.md (floatdisf2-1): New pattern.
3803 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
3805 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
3806 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
3807 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
3808 * gcc.texi: Note that if you define sys_siglist that you should
3809 also define SYS_SIGLIST_DECLARED.
3811 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
3812 are relative to the next instruction, not the current instruction.
3814 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
3816 * local-alloc.c (contains_replace_regs): New function.
3817 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
3818 verify that there is no existing REG_EQUIV note, and add a call to
3819 contains_place_regs.
3821 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3823 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
3824 (STARTFILE_SPEC): Always use crtbegin.o%s
3825 (ENDFILE_SPEC): Always use crtend.o%s.
3827 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
3829 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
3831 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
3832 SFmode for 64 bit hosts.
3834 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
3836 * fixincludes: Permits spaces between # and define. Discard C++
3837 comments in sys/pci.h on HP/UX 10.20.
3839 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
3841 * version.c: Bump for snapshot.
3843 * pa.c (restore_unscaled_index_insn_codes): New function.
3844 (record_unscaled_index_insn_codes): Likewise.
3845 (output_function_prologue): Call restore_unscaled_index_insn_codes.
3846 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
3847 (pa_reorg): Call record_unscaled_index_insn_codes.
3849 * haifa-sched.c (move_insn): Handle notes correctly for insns
3850 with SCHED_GROUP_P set.
3852 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
3854 * alpha/xm-linux.h (USE_BFD): Undef before define.
3856 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
3858 * cse.c (cse_insn): Don't record BLKmode values.
3860 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
3862 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
3864 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
3866 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
3867 * collect2.c (sys_errlist): Likewise.
3868 * cpplib.c (sys_errlist): Likewise.
3869 * gcc.c (sys_errlist): Likewise.
3870 * protoize (sys_errlist): Likewise.
3871 * configure.in: Check for strerror.
3872 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
3873 * xm-gnu.h (HAVE_STRERROR): Likewise.
3874 * xm-linux.h (HAVE_STRERROR): Likewise.
3875 * xm-netbsd.h (HAVE_STRERROR): Likewise.
3876 * xm-bsd386.h (HAVE_STRERROR): Likewise.
3877 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
3878 * xm-dos.h (HAVE_STRERROR): Likewise.
3879 * xm-mingw32.h (HAVE_STRERROR): Likewise.
3880 * xm-pa.h (HAVE_STRERROR): Likewise.
3881 * xm-papro.h (HAVE_STRERROR): Likewise.
3882 * xm-sysv4.h (HAVE_STRERROR): Likewise.
3883 * configure, config.in: Rebuilt.
3885 * Makefile.in: Add several missing "else true" clauses.
3887 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
3888 * mips-tfile.c: Likewise.
3889 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
3890 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
3891 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
3892 * configure.in: Check for sys_siglist declaration.
3893 * configure, config.in: Rebuilt.
3895 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
3897 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
3898 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
3899 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
3900 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
3901 * rs6000/sysv4.h (extra_subtarget_switches): Added new
3902 macro EXTRA_SUBTARGET_SWITCHES.
3903 * configure.in (sh*-*-rtems*): New target.
3904 * sh/rtems.h: New file.
3905 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
3906 * configure: Rebuilt.
3908 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
3910 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
3912 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
3914 * rs6000.md: Make DF fused-add operations pay attention to
3917 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
3919 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
3921 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
3923 * pa.md (reload_peepholes): Make sure operand is a REG before
3924 examining REGNO. Allow general registers too.
3926 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
3928 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
3930 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
3932 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
3933 to reallocate abbrev_die_table.
3935 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
3937 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
3939 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3941 * Makefile.in (config.status): Depend on version.c
3943 * expr.h (insn_gen_function): Reenable prototype.
3945 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
3948 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
3950 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
3952 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
3954 * version.c: Bump for latest snapshot.
3956 * bc-optab.c: Conditionally include stdlib.h.
3957 (free): Provide a declaration if NEED_DECLARATION_FREE.
3958 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
3959 * rtl.h (free): Remove declaration.
3960 * tree.h (free): Remvoe declaration.
3962 * configure: Rebuilt.
3964 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
3966 * flags.h (flag_move_all_movables): Declare.
3967 (flag_reduce_all_givs): Likewise.
3968 * loop.c (move_movables): Handle flag_move_all_movables.
3969 (strength_reduce): Handle flag_reduce_all_givs.
3970 * toplev.c (flag_move_all_movables): Define.
3971 (flag_reduce_all_givs): Likewise.
3972 (f_options): Add -fmove-all-movables and -freduce-all-givs.
3973 * invoke.texi: Document new options, including alias stuff that
3974 wasn't included last time.
3976 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
3978 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
3981 * t-vxworks68: Ditto.
3982 * t-vxworks960: Ditto.
3985 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
3987 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
3988 if not already defined, and USE_C_ALLOCA not defined.
3990 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
3992 * config.guess: Replace with script that uses ../config.guess.
3994 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
3995 if USE_GNULIBC_1 is not defined.
3997 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
3999 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
4000 * config.guess: Recognize alpha-linux-gnulibc1.
4001 * configure.in (alpha-*-linux-gnulibc1): New target.
4002 (alpha-*-linux-gnu*): Don't build crtbegin/end.
4004 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
4006 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
4009 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
4011 * loop.c (combine_movables): Earlier insns don't match later ones.
4013 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4015 * config/linux.h (CC1_SPEC): Define it only if not defined.
4017 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
4020 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
4021 USE_GNULIBC_1 is not defined.
4023 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
4025 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
4026 as 1 if USE_GNULIBC_1 is not defined.
4028 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
4030 * reorg.c (dbr_schedule): Allow current_function_return_rtx
4031 to be something other than a REG.
4032 * function.c (expand_function_end): Fix current_function_return_rtx
4035 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
4036 * x-netbsd: Likewise
4037 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
4038 (INSTALL_HEADERS): Delete.
4039 * x-dguxbcs: Likewise.
4040 * x-hp3bsd44: Likewise
4043 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4045 * i386.md (pop): pop increments the stack pointer.
4046 (prologue_set_stack_ptr): New pattern.
4047 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
4050 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
4052 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
4053 address where an offsettable address is required.
4055 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
4057 * loop.c (check_final_value): Don't miss a biv increment in a
4060 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
4062 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
4063 TYPE_DECL_IS_STUB instead of DECL_NAME.
4065 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4067 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
4069 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
4071 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
4073 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
4075 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
4076 (find_post_sched_live): Likewise.
4078 * haifa-sched.c (schedule_block): Remove old code to get arguments
4079 from hard regs into pseudos early.
4081 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
4083 * version.c: Bump for new snapshot.
4085 * local-alloc.c (update_equiv_regs): All the target to reject
4086 promotion of some REG_EQUAL to REG_EQUIV notes.
4087 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
4089 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
4092 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
4093 store of the argument registers.
4095 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
4097 * fold-const.c (multiple_of_p): New function.
4098 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
4100 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
4102 * expr.h (insn_gen_function): Temporarily remove prototype.
4104 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
4106 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
4107 filenames. Use sed to extract base filename for install.
4109 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
4111 * unroll.c (find_splittable_givs): Only share if two givs have the
4112 same add and multiply values.
4114 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
4116 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
4117 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
4119 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
4121 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
4122 around branch tables.
4123 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
4124 and .end_brtab directives if TARGET_GAS.
4126 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
4128 * alias.c (true_dependence): Pass x_addr not x to varies.
4130 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
4131 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
4132 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
4134 * config.in, configure: Regenerate.
4136 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
4138 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
4140 (record_set): Handle LO_SUM like PLUS.
4141 (init_alias_analysis): When following chains of base addresses,
4142 do not stop on reaching a hard register.
4144 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
4146 * version.c: Bump for new snapshot.
4148 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
4150 * alpha.h (ARCH_ASM_FILE_START): Define.
4151 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
4152 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
4154 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
4156 * Makefile.in (install-common): Put gcov comment at start of line.
4158 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
4160 * alias.c (init_alias_analysis): When simplifying the reg_base_value
4161 array, simplify entries for hard registers too.
4163 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
4165 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
4168 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
4170 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
4171 block_stack before dereferencing it.
4173 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
4175 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
4177 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
4179 * cplus-dem.c: Add 'extern' to prepends_underscore.
4181 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
4183 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
4184 (get_issue_rate): Delete.
4185 * pa.h (ISSUE_RATE): Define.
4187 * configure.in: Turn on haifa by default for the PA.
4188 * configure: Rebuilt.
4189 * pa.c (override_options): Accept -mschedule=7200 option.
4190 (pa_adjust_cost): No longer need to scale costs for newer
4192 * pa.h (enum processor_type): Add PROCESSOR_7200.
4193 * pa.md: Revamp scheduling parameters to work better with
4194 haifa. Add scheduling parameters for the 7200.
4196 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
4198 (schedule_block): When adjusting basic_block_{head,end}, account
4199 for movement of SCHED_GROUP_P insns too.
4201 * haifa-sched.c (debug_dependencies): Fix thinko.
4203 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
4204 (site.exp, check, check-g++, check-gcc): New targets.
4206 * haifa-sched.c: Make lots of variables static.
4208 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
4210 * expr.h, real.h: Finish prototyping.
4212 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
4214 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
4215 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
4216 * reload1.c: Undo bugfix from Aug 11.
4218 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
4220 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
4221 quotes around the name.
4222 * configure: Regenerate.
4224 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
4226 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
4228 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
4230 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
4231 to sub-makes to avoid building more passes than the user might have
4232 requested on the command line.
4234 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
4236 * configure.in: Expurgate `broken_install' (install is
4239 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
4242 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
4244 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
4245 functions and declarations.
4246 (analyze_loop_iterations): Use condjump_p.
4247 (insert_bct): Likewise. Use exact_log2.
4249 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
4251 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
4252 (schedule_region): Likewise.
4253 (schedule_insns): Likewise.
4255 * PROJECTS: Update with Haifa stuff.
4257 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
4259 * version.c: Change the version string to look like:
4260 egcs-2.90.00 970814 (gcc2-970802 experimental).
4262 * loop.c (is_conditional_branch): Make definition match declaration.
4264 * gcc.c: Take out experimental snapshot warning message.
4266 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
4268 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
4269 print out the names of the notes. Print out the name of the insn
4270 that is not a note, and not an {,CALL_,JUMP_}INSN.
4272 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
4274 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
4275 again for the slot after we give it RTL.
4277 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
4279 * configure.in (haifa configury): Fix typo.
4280 * configure: Regenerate.
4282 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
4284 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
4286 * gcc.info*: Rebuilt.
4288 * COPYING.g77, README.g77: New files.
4289 * real.c (ereal_unto_float, ereal_unto_double): New functions.
4290 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
4291 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
4293 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
4295 * Integrate Haifa instruction scheduler.
4296 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
4297 to sched with $(SCHED_CFLAGS.
4298 * configure.in: Handle --enable-haifa.
4299 * configure: Rebuilt.
4300 * flags.h: Add new flags for haifa instruction scheduler.
4301 * genattrtab.c (expand_units): For haifa, don't subtract one
4302 when computing blockage.
4303 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
4304 (flag_schedule_speculative): Ditto.
4305 (flag_schedule_speculative_load): Ditto.
4306 (flag_schedule_speculative_load_dangerous): Ditto.
4307 (flag_schedule_reverse_before_reload): Ditto.
4308 (flag_schedule_reverse_after_reload): Ditto.
4309 (flag_branch_on_count_reg): Ditto.
4310 (f_options): Add Haifa switches.
4311 (main): Turn off some Haifa options if appropriate macro is
4312 defined. Process Haifa switches.
4313 * unroll.c (iteration_info): No longer static, since Haifa
4315 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
4316 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
4317 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
4318 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
4319 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
4320 storage for the Haifa scheduler.
4321 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
4323 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
4324 are defined, call analyze_loop_iterations and insert_bct to use
4326 (record_giv): Refine test for jumps out of loops if HAIFA is
4328 (analyze_loop_iterations): New function to identify if we can use
4330 (insert_bct): Insert countdown loop.
4331 (instrument_loop_bct): Low level code to insert countdown loop.
4332 (loop_number): Calculate UID of loop.
4333 (indirect_jump_in_function_p): Return true if an indirect jump is
4335 (is_power_of_2): Return true if value is a power of 2.
4336 (is_conditional_branch): Return true if insn is a conditional
4338 (fix_bct_param): Process -fbct-{min,max}-N switches.
4339 (check_bct_param): Return true if loop should be instrumented.
4340 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
4341 (loop_optimize): Initialize.
4342 (get_condition_for_loop): Ditto.
4343 * loop.c (strength_reduce): Inside of code that uses #ifdef
4344 HAVE_decrement_and_branch_on_count code, test it to make sure the
4346 (instrument_loop_bct): Ditto.
4347 * haifa-sched.c: New file.
4350 * Integrate regmove pass.
4351 * Makefile.in (OBJS): Add regmove.o
4352 (regmove.o): Add dependencies.
4353 * flow.c (find_use_as_address): No longer static.
4354 * rtl.h (find_use_as_address): Declare.
4355 * toplev.c (regmove_dump, flag_regmove): Define.
4356 (f_options): Add -fregmove.
4357 (regmove_dump_file, regmove_time): Define.
4358 (fatal_insn): Close the regmove dump file.
4359 (compile_file): Initialize regmove_time; open/close the regmove dump
4360 file as needed. Print regmove time as needed.
4361 (rest_of_compilation): Run regmove pass if requested, dump
4362 RTL after regmove if requested.
4363 (main): If -O2 or more, turn on regmove. Handle dump switches.
4364 * regmove.c: New file.
4366 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
4368 * Integrate tlink patch from jason@cygnus.com
4369 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
4370 (process_command): Increment n_switches for them. Don't discard
4371 their args. Validate them.
4372 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
4374 (process_command): Set include_prefixes from COMPILER_PATH.
4375 (main): Set COLLECT_GCC_OPTIONS sooner.
4376 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
4377 * tlink.c, hash.c, hash.h: New files.
4378 * Makefile.in (USE_COLLECT2): Always use collect2.
4379 (collect2): Depend on and link in hash.o and tlink.o.
4380 (tlink.o, hash.o): Add dependencies.
4382 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
4384 * Integrate alias analysis changes from jfc@mit.edu
4385 * Makefile.in (OBJS): Add alias.o
4386 (alias.o): Add dependencies.
4387 * alias.c: New file.
4388 * sched.c: Remove alias analysis code. It lives in alias.c now.
4389 (sched_analyze_2): Add new arguments to true_dependence.
4390 (schedule_insns): Always call init_alias_analysis.
4391 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
4392 mark return value from such functions as a pointer and keep track of
4393 them for alias analysis. If a return value from a function is a
4394 pointer, mark it as such.
4395 * combine.c (distribute_notes): Handle REG_NOALIAS.
4396 * cse.c (struct write_data): Delete. No longer needed.
4397 (invalidate): Don't call set_nonvarying_address_components anymore.
4398 Use true_dependence to decide if an entry should be removed from
4400 (invalidate_memory): Remove WRITES argument, simplify appropriately.
4402 (note_mem_written): Similarly for WRITE_PTR argument.
4403 (invalidate_from_clobbers): Similarly for W argument.
4404 (invalidate_for_call): Remove memory elements from the hash table.
4405 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
4406 (cse_rtx_varies_p): New function. Derived from old
4407 cse_rtx_addr_varies_p.
4408 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
4409 Don't call note_mem_written anymore. Stack pushes invalidate the stack
4410 pointer if PUSH_ROUNDING is defined. No longer need to call
4411 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
4412 (skipped_writes_memory): Remove variable.
4413 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
4414 (invalidate_skipped_block): Simplify for new alias analysis code.
4415 (cse_set_around_loop): Likewise.
4416 (cse_main): Call init_alias_analysis.
4417 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
4418 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
4419 (f_options): Add new alias checking arguments.
4420 (main): Set flag_alias_check when optimizing.
4421 * local_alloc (validate_equiv_mem_from_store): Add new arguments
4423 (memref_referenced_p): Likewise.
4424 * loop.c (NUM_STORES): Increase to 30.
4425 (prescan_loop): Only non-constant calls set unknown_address_altered.
4426 (invariant_p): Add new arguments to true_dependence.
4427 (record_giv): Initialize unrolled and shared fields.
4428 (emit_iv_add_mult): Call record_base_value as needed.
4429 * loop.h (struct induction): Add unrolled and shared fields.
4430 * unroll.c (unroll_loop): Call record_base_value as needed.
4431 (copy_loop_body): Likewise.
4432 (final_biv_value): Likewise.
4433 (final_giv_value): Likewise.
4434 (find_splittable_regs): Likewise. Only create one new pseudo
4435 if we have multiple address GIVs that were combined with the same
4436 dst_reg GIV. Note when a new register is created due to unrolling.
4437 * rtl.c (reg_note_name): Add REG_NOALIAS.
4438 * rtl.h (enum reg_note): Similarly.
4439 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
4440 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
4441 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
4442 (true_dependence, read_dependence, anti_dependence): Likewise.
4443 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
4444 (mark_user_reg, mark_reg_pointer): Likewise.
4447 * Integrate reload bugfix from Wilon which enables the PA port
4449 * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
4450 OPERAND_ADDRESS when computing how many registers an insn needs.
4451 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
4453 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
4455 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
4456 in reload_reg_use_in_op_addr do not reach the end.
4457 do not reach the end.
4458 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
4459 RELOAD_FOR_OPERAND_ADDRESS.
4461 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
4463 * egcs project officially starts.