1 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
3 * alpha.c (reg_not_elim_operand): New.
4 * alpha.h (PREDICATE_CODES): Add it.
5 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
8 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
10 * rs6000.md (movsf): Remove explicit secondary-reload-like
11 functionality. Only truncate SFmode store if in FPR.
12 (movsf splitters): Combine const_double splitters.
13 (movsf_hardfloat): Add GPR support.
15 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
17 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
18 deprecate -mlive-g0 and -mbroken-saverestore.
19 * t-splet (MULTILIB_OPTIONS): Likewise.
21 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
22 in a leaf function. Clarify total_size/extra_size relationship.
24 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
26 * i386/cygwin32.asm: Delete.
27 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
28 * i386/cygwin32.h: Delete.
29 * i386/cygwin.h: New file, renamed from cygwin32.h.
30 * i386/t-cygwin32: Delete.
31 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
32 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
33 * i386/x-cygwin32: Delete.
34 * i386/x-cygwin: New file, renamed from x-cygwin32.
35 * i386/xm-cygwin32: Delete.
36 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
37 renamed cygwin_ funcs for path translations.
38 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
39 * i386/winnt.c: Remove "32" from comment about cygwin.
40 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
41 * rs6000/cygwin32.h: Delete.
42 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
43 -D__CYGWIN__ to CPP_PREDEFINES.
44 * rs6000/x-cygwin32: Delete.
45 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
46 * rs6000/xm-cygwin32: Delete.
47 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
49 * configure.in: Check for cygwin* instead of cygwin32. Account
50 for the rename of cygwin-related config files to lose the "32"s.
51 * configure: Regenerate.
53 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
54 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
56 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
58 * Makefile.in (JAVAGC): New macro.
60 * configure.in: Recognize --enable-java-gc argument. Subst
63 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
65 Handle equivalences that have been obscured by gcse:
67 * reload1.c (reload): Handle equivalences set up in multiple places.
68 * local-alloc.c (reg_equiv_init_insns): New variable.
69 (no_equiv): New function.
70 (update_equiv_regs): Handle equivalences set up in multiple places.
71 Don't ignore an insn just because its destination is likely to be
74 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
76 * except.c (expand_eh_return): Readd force_operand call lost in
79 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
81 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
83 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
85 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
87 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
89 * regmove.c (regmove_optimize): Fix error in last change.
91 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
93 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
94 offset in the .mask pseudo to compensate for frame pointer adjustments.
95 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
96 word swap arguments moved to/from FP registers.
97 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
99 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
101 * version.c: Bump for snapshot.
103 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
105 * version.c: Bump for snapshot.
107 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
109 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
110 times, then it can not be completely replaced.
112 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
114 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
116 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
118 * gansidecl.h: Prepend a "G" to the macro wrapping this file
119 (to distinguish it from the macro wrapping ansidecl.h.)
120 Include libiberty's ansidecl.h. Remove all redundant definitions.
121 Define the PROTO() style macros in terms of the PARAMS() ones.
124 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
125 __STDC__, when deciding whether to use ANSI variable args.
126 (emit_library_call_value): Likewise.
128 * cccp.c (error): Likewise.
130 (error_with_line): Likewise.
131 (warning_with_line): Likewise.
133 (pedwarn_with_line): Likewise.
134 (pedwarn_with_file_and_line): Likewise.
137 * cexp.y (error): Likewise.
141 * collect2.c (fatal_perror): Likewise.
145 * combine.c (gen_rtx_combine): Likewise.
147 * cpperror.c (cpp_message): Likewise.
148 (cpp_fatal): Likewise.
150 * cpplib.c (cpp_error): Likewise.
151 (cpp_warning): Likewise.
152 (cpp_pedwarn): Likewise.
153 (cpp_error_with_line): Likewise.
154 (cpp_warning_with_line): Likewise.
155 (cpp_pedwarn_with_line): Likewise.
156 (cpp_pedwarn_with_file_and_line): Likewise.
158 * cpplib.h: Don't define PARAMS() macro.
160 * demangle.h: Likewise.
162 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
163 when deciding whether to use ANSI variable args.
165 * emit-rtl.c (gen_rtx): Likewise.
166 (gen_rtvec): Likewise.
168 * final.c (asm_fprintf): Likewise.
170 * fix-header.c (cpp_message): Likewise.
172 (cpp_fatal): Likewise.
174 * gcc.c (concat): Likewise.
178 * genattr.c (fatal): Likewise.
180 * genattrtab.c (attr_rtx): Likewise.
181 (attr_printf): Likewise.
184 * gencodes.c (fatal): Likewise.
186 * genconfig.c (fatal): Likewise.
188 * genemit.c (fatal): Likewise.
190 * genextract.c (fatal): Likewise.
192 * genflags.c (fatal): Likewise.
194 * genopinit.c (fatal): Likewise.
196 * genoutput.c (fatal): Likewise.
199 * genpeep.c (fatal): Likewise.
201 * genrecog.c (fatal): Likewise.
203 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
204 deciding whether to declare `tree_node' and `rtx_def'.
206 * hash.h: Don't define stuff we get from gansidecl.h.
208 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
209 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
210 whether to use ANSI variable args.
213 * prefix.c (concat): Likewise.
217 * system.h: Likewise.
219 * toplev.c (error_with_file_and_line): Likewise.
220 (error_with_decl): Likewise.
221 (error_for_asm): Likewise.
224 (warning_with_file_and_line): Likewise.
225 (warning_with_decl): Likewise.
226 (warning_for_asm): Likewise.
229 (pedwarn_with_decl): Likewise.
230 (pedwarn_with_file_and_line): Likewise.
232 (really_sorry): Likewise.
234 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
235 whether to declare `tree_node' and `rtx_def'.
237 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
238 deciding whether to use ANSI variable args.
239 (build_nt): Likewise.
240 (build_parse_node): Likewise.
242 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
244 * version.c: Bump for snapshot.
246 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
248 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
250 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
252 * collect2.c (main, case 'b'): Use else if.
254 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
256 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
257 Arrange to include gansidecl.h in {ht}config.h & tm.h just
258 before the config/ directory headers.
259 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
260 gansidecl.h in the list of dependencies.
262 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
263 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
264 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
265 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
266 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
267 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
270 * cccp.c: Don't include gansidecl.h.
272 * collect2.c: Likewise.
273 * config/c4x/c4x.c: Likewise.
274 * config/v850/v850.h: Likewise.
275 * cppalloc.c: Likewise.
276 * cpperror.c: Likewise.
277 * cppexp.c: Likewise.
278 * cppfiles.c: Likewise.
279 * cpphash.c: Likewise.
280 * cpplib.c: Likewise.
281 * cppmain.c: Likewise.
282 * cppulp.c: Likewise.
283 * demangle.h: Likewise.
284 * doprint.c: Likewise.
285 * dyn-string.c: Likewise.
286 * eh-common.h: Likewise.
287 * fix-header.c: Likewise.
291 * gen-protos.c: Likewise.
292 * gencheck.c: Likewise.
293 * halfpic.h: Likewise.
295 * machmode.h: Likewise.
296 * mbchar.c: Likewise.
297 * prefix.c: Likewise.
298 * protoize.c: Likewise.
301 * scan-decls.c: Likewise.
303 * varray.h: Likewise.
305 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
307 * i386.md (call_value_pop): If we're not popping anything,
309 (call_pop): Likewise defer to call.
311 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
313 * function.c (purge_addressof): Clear purge_addressof_replacements
314 only after processing the whole function.
316 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
318 * reload1.c (reload): If we can not perform a particular elimination
319 when we thought we could earlier, then we must always iterate through
320 the loop at least one more time.
322 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
324 * alpha.c (add_operand): Simplify the CONST_INT match.
325 (sext_add_operand): Correct typo in comparison by using
326 CONST_OK_FOR_LETTER_P.
327 * alpha.md (s?addq): Use sext_add_operand to allow the negative
328 constant alternatives to be generated.
329 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
330 small constants, since the hw instructions do.
332 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
334 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
335 previous insn to store directly into our reload register, make sure
336 that if the source of the previous insn is a reload register, its
337 spill_reg_store and spill_reg_stored_to values are cleared.
339 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
341 * rs6000.md (floatunssidf2_internal splitter): Use base register
342 operand, not hard-coded SP.
344 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
346 * jump.c (calculate_can_reach_end): Fix thinko.
348 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
350 * reorg.c (fill_simple_delay_slots): Fix typo.
352 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
354 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
356 * i386.md (extendsidi2): Use # in the output template.
357 (extendsidi splitters): New splitters.
359 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
361 * jump.c (init_label_info, delete_barrier_successors,
362 mark_all_labels, delete_unreferenced_labels,
363 delete_noop_moves, calculate_can_reach_end): New functions broken
364 out of jump_optimize.
365 (jump_optimize): Use them.
367 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
369 * except.c (expand_fixup_region_end): Make sure outer context labels
370 are not issued in an inner context during cleanups.
372 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
374 * alpha.md (addsi3, subsi3): No new temporaries once cse is
377 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
379 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
380 to expose this midpoint to CSE.
382 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
384 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
386 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
388 * configure.in: Bring over gcc2 change of Nov 19 1997.
390 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
392 * toplev.c (output_lang_identify): Make definition dependent on
393 ASM_IDENTIFY_LANGUAGE.
395 * print-rtl.c (spaces): Make static.
397 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
399 * extend.texi: Clarify proper uses for register clobbers in asms.
401 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
403 * recog.h (enum op_type): Define.
404 (constrain_operands): Adjust prototype.
405 (recog_op_type): Declare new variable.
406 * recog.c (recog_op_type): New variable.
407 (insn_invalid_p): Allow modifying an asm statement after reload.
408 (extract_insn): Set up recog_op_type.
409 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
410 Don't compute operand types, use recog_op_type.
411 Use the information computed by extract_insn instead of the previous
412 method of finding it by insn code number.
413 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
414 * reorg.c (fill_slots_from_thread): Likewise.
415 * reload1.c (reload_as_needed): Likewise.
416 (gen_reload): Likewise.
417 (inc_for_reload): Likewise.
418 (reload_cse_simplify_operands): Likewise.
419 Use the information computed by extract_insn instead of the previous
420 method of finding it by insn code number.
421 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
423 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
424 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
425 Use the information computed by extract_insn instead of the previous
426 method of finding it by insn code number.
427 * regmove.c (find_matches): Likewise. Change meaning of the return
428 value to be nonzero if the optimization can be performed, zero if
429 not. All callers changed.
430 Shorten some variable names to fix formatting problems.
431 (regmove_optimize): Shorten some variable names to fix formatting
433 Use the information computed by extract_insn instead of the previous
434 method of finding it by insn code number.
435 * regclass.c (scan_one_insn): Likewise.
436 (record_reg_classes): Don't compute operand types, use recog_op_type.
437 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
438 recog_constraints instead.
440 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
442 * rtl.h (flow2_completed): Declare.
443 * flow.c (flow2_completed): Definition.
444 * toplev.c (rest_of_compilation): Set and clear flow2_completed
447 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
449 * Makefile.in (libcpp.a): Ranlib libcpp.a
451 * cppulp.c (user_label_prefix): Initialize.
453 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
455 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
456 at a RETURN if current_function_sp_is_unchanging is set.
458 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
460 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
462 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
464 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
465 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
466 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
467 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
468 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
469 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
471 (LIB_SPEC): Handle -mno-cyginw option.
472 (LINK_SPEC): Handle -mdll.
474 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
476 * reload.c (find_reloads): Fix test for usage by other reload
477 to handle secondary reloads properly.
479 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
481 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
482 intermediate structure which has exactly the members provided by
483 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
484 static intermediate structure.
486 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
487 from the intermediate structure. Do the same analogous fix in
488 the case where ELIMINABLE_REGS is not defined.
490 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
492 * pa.h (SELECT_SECTION): Fix thinko.
494 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
496 * dwarf2out.c (output_call_frame_info): Comments on last change.
498 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
500 * arm.c (add_constant): When taking the address of an item in the
501 pool, get the mode of the item addressed.
503 * arm.c (final_prescan_insn case INSN): If an insn doesn't
504 contain a SET or a PARALLEL, don't consider it for conditional
507 Restore ABI compatibility for NetBSD.
508 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
510 (RETURN_IN_MEMORY): Likewise.
512 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
514 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
515 (m32r_output_block_move): Rewrite bytes < 4 handling.
517 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
519 * configure.in: Call AC_FUNC_VFORK.
521 * collect2.c: Define VFORK_STRING as a printable string for
522 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
523 defined, include vfork.h. If VMS is defined, define vfork()
524 appropriately. Remove vfork check on USG, we're using autoconf.
525 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
526 checking locally what string to pass.
527 (scan_prog_file): Likewise.
528 (scan_libraries): Likewise.
530 * gcc.c: Remove vfork check on USG, we're using autoconf.
531 Besides, no calls to vfork/fork occur in this file.
533 * protoize.c: Likewise.
535 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
537 * configure.in (DEFAULT_LINKER): renamed from LD
538 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
539 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
542 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
544 * BUGS: fix the regexp for `more' to find the appropriate node.
545 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
547 * BUGS: added link to the WWW FAQ
549 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
551 * version.c: Bump for snapshot.
553 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
555 * From Christian Gafton:
556 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
557 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
558 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
560 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
562 * c-common.c (c_get_alias_set): Allow all type-punning through
563 unions. Don't get confused about the type of a bit-field, despite
564 the antics of build_modify_expr.
566 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
568 * fixinc.sco: Paramaterize #include_next values.
569 * fixinc/fixinc.sco: Likewise.
571 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
573 * toplev.c (rest_of_compilation): No longer set reload_completed.
574 * reload1.c (reload): Set it here. Perform instruction splitting
575 after reload has completed if we will be running the scheduler
578 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
580 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
581 EH region if exceptions are enabled and we're performing cross
583 (find_cross_jump): Exit loop if the insns are in different EH regions.
585 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
587 * dwarf2out.c (output_call_frame_info): Use
588 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
590 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
592 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
593 * c-common.c (check_format_info): Don't check for the 'x'
594 format character twice, instead check for 'x' and 'X'
596 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
598 * configure.in (assembler features): Also make gas is configured if
599 we find it in the souce tree.
601 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
603 * i386.c (i386_comp_type_attributes): Compare whether the
604 attributes are defined, not their tree nodes.
606 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
608 * configure.in (gxx_include_dir): bitten by autoconf quoting
612 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
614 * configure.in: Ignore non-absolute value in $AS.
616 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
618 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
620 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
622 * configure.in (msdosdjgpp): Set exeext and target_alias.
624 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
626 * flow.c (XNMALLOC): New macro.
627 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
629 (add_edge, add_edge_to_label): New static functions.
630 (free_bb_memory): New function.
631 (flow_delete_insn): Delete function.
632 (basic_block_drops_in): Delete variable.
633 (find_basic_blocks): Allocate and initialize basic_block_head,
634 basic_block_succ. Don't allocate basic_block_drops_in.
635 Call free_bb_memory at the beginning.
636 (find_basic_blocks_1): Don't do multiple passes.
637 Delete code to compute basic_block_drops_in.
638 After calling make_edges, mark blocks reached by current block live.
639 Update test for unreachable live blocks.
640 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
642 Simplify to call add_edge_to_label when a LABEL_REF is found.
643 (make_edges): Simplify to call add_edge_to_label instead of
644 mark_label_ref most of the time.
645 Compute here whether control drops into the next block.
646 (delete_unreachable_blocks): Return void. All callers changed.
647 Delete unreachable blocks in reverse order.
648 After deleting all unreachable blocks, renumber the remaining ones
649 and update n_basic_blocks.
650 (delete_block): Speed up deletion a bit.
651 Don't set basic_block_drops_in for deleted blocks.
652 (free_basic_block_vars): Don't free basic_block_drops_in.
653 (life_analysis_1): Update to use new edge representation.
654 (dump_flow_info): Delete code to print basic block info; call
655 dump_bb_data instead.
656 (compute_preds_succs): Delete code to recompute basic_block_drops_in
657 and uid_block_number.
658 Simply copy the previously computed cfg.
659 (dump_bb_data): New arg LIVE_INFO. All callers changed.
660 Print register lifetime information if LIVE_INFO is nonzero.
661 * basic-block.h (dump_bb_data): Adjust prototype.
662 * gcse.c (gcse_main): Update call to dump_bb_data.
663 * rtl.h (free_bb_memory): Declare.
664 * toplev.c (rest_of_compilation): Call free_bb_memory.
666 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
667 (update_eliminable_offsets): Don't compute it.
668 (set_initial_elim_offsets): Don't initialize it.
669 Break out some code into set_initial_label_offsets so the rest of
670 this function can be called from reload_as_needed.
671 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
672 ELIMINABLE_REGS isn't.
673 (set_initial_label_offsets): New function, broken out of
674 set_initial_elim_offsets.
675 (set_offsets_for_label): New function, broken out of set_label_offsets
676 and reload_as_needed.
677 (reload): Call the two new functions.
678 (reload_as_needed): Call set_initial_elim_offsets instead of
679 duplicating the code. Likewise for set_offsets_for_label.
681 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
682 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
683 any hard reg, reg_reloaded_dead contains valid data.
685 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
687 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
688 "stdcall" and "cdecl" attributes.
690 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
692 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
693 handle deleted no-op moves of hard registers.
694 * haifa-sched.c (update_flow_info): Likewise.
696 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
698 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
699 of the sequences to reload the HILO register which do not actually
702 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
704 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
706 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
708 * except.c (emit_eh_context): Make the EH context register stay alive
709 at -O0 so stupid.c doesn't get confused.
711 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
713 * emit-rtl.c (try_split): Do not try to split a BARRIER.
715 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
716 Jeffrey A Law (law@cygnus.com)
718 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
719 (zero_extendsidi2): Use # in output template and handle completely by
721 (zero_extend splitters): New define_splits.
722 (ashiftrt_32): New pattern.
724 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
726 * tree.c (append_random_chars): New fn.
727 (get_file_function_name_long): Use it.
729 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
731 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
732 (LIBCPP_OBJS): New. Add cppulp.o.
733 (cppmain, fix-header): Depend on and use libcpp.a.
734 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
735 of the individual object files.
736 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
739 * cccp.c (user_label_prefix): New.
740 (main): Set it off -f*leading-underscore.
741 (special_symbol): Use it.
742 * cpplib.c (special_symbol): Likewise.
743 (cpp_handle_option): Handle -f*leading-underscore.
744 * cppulp.c: New file.
746 * output.h (user_label_prefix): Declare it.
747 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
748 * toplev.c (f_options, main): Handle -f*leading-underscore.
750 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
751 referencing USER_LABEL_PREFIX directly.
752 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
753 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
754 * final.c (asm_fprintf): Use user_label_prefix instead.
755 * arm/thumb.c (thumb_print_operand): Likewise.
757 * gcc.c (default_compilers): Pass -f*leading-underscore on to
758 cpp wherever appropriate.
760 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
762 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
763 specific compiler switches.
765 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
767 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
770 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
772 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
773 structure which has exactly the members provided by EXTRA_SPECS.
774 Xmalloc() the real `extra_specs', and initialize it from this
775 intermediate structure.
777 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
779 * mips.h (EXTRA_SPECS): Likewise.
781 * sparc.h (EXTRA_SPECS): Likewise.
783 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
785 * function.c (purge_addressof_1): Instead of aborting when a
786 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
787 work just put the ADDRESSOF on stack. Otherwise remember all such
788 successfull replacements, so that exactly the same replacements
789 can be made on the REG_NOTEs. Remove the special case for CALL
791 (purge_addressof_replacements): New variable.
792 (purge_addressof): Clear it at end.
794 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
796 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
797 (lang_init): Call check_newline always.
798 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
799 cpp_start_read, set yy_cur and yy_lim to read from
800 parse_in.token_buffer, so that we'll see the first #line
802 * cpplib.c (cpp_start_read): finclude the main input file
803 before processing -include/-imacros. Process -imacros and
804 -include separately, and handle -include by stacking a
805 buffer for the file in question as if it'd been #included.
806 * toplev.c (documented_lang_options) Recognize -H when
809 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
811 * cpplib.c: Merge do_once into do_pragma. Break file handling
812 code out of do_include.
813 Move append_include_chain, deps_output,
814 file_cleanup, redundant_include_p, import_hash,
815 lookup_import, add_import, read_filename_string, read_name_map,
816 open_include_file, finclude, safe_read to cppfiles.c.
817 Move prototypes for deps_output, append_include_chain,
818 finclude to cpplib.h. Move definition of struct
819 file_name_list there also.
821 * cppfiles.c: New file. Contains all the above functions
822 broken out of cpplib.c; also hack_vms_include_specification
823 from cccp.c and find_include_file, a new function broken out of
826 * Makefile.in (cppmain): Depend on cppfiles.o.
827 (fix-header): Likewise.
828 (cppfiles.o): New target.
829 * configure.in (--enable-c-cpplib): Add cppfiles.o to
830 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
832 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
834 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
835 if pending_types is non-zero.
836 (dwarfout_finish): Verify pending_types is zero before finishing.
838 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
840 * expr.c (convert_move): Use shifts to perform the move if a
841 suitable extend pattern cannot be found. Code written by
842 Richard Henderson <rth@cygnus.com>.
844 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
846 * regclass.c (renumber, regno_allocated): New static variables, moved
847 out of allocate_reg_info.
848 (allocate_reg_info): Move these two variables outside the function.
849 Move code to free memory into new function free_reg_info.
850 (free_reg_info): New function, broken out of allocate_reg_info.
851 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
852 * rtl.h (allocate_reg_info): Don't declare.
853 (free_reg_info): Declare.
855 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
857 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
859 * toplev.c (compile_file): Temporarily revert last change.
861 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
863 * c-typeck.c (convert_for_assignment): Parenthesize.
865 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
867 * reload1.c (delete_output_reload): Avoid ambigous else.
869 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
871 * toplev.c (compile_file): Call allocate_reg_info to free register
873 * rtl.h (allocate_reg_info): Declare.
875 * PROJECTS: Remove entry for local spilling.
877 * final.c (cleanup_subreg_operands): New function.
878 (final_scan_insn): Use it.
879 (alter_subreg): Clear the "used" field when we turn a SUBREG into
881 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
882 operands when reload has finished.
883 * reload.h (cleanup_subreg_operands): Declare..
884 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
885 reload. Handled in reload itself.
887 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
889 * reload1.c (verify_initial_offsets): New function.
890 (reload): Call it after reload_as_needed. Also verify that the frame
891 size stays constant during reload_as_needed.
892 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
894 * reload.h (struct insn_chain): Add need_operand_change element.
895 * reload1.c (new_insn_chain): Clear it.
896 (calculate_needs_all_insns): Set it; don't overload need_reload.
897 (reload_as_needed): Use it.
899 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
900 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
901 and reload_address_index_reg_class.
902 (find_reloads_address_1): Likewise.
903 * reload.h (reload_address_base_reg_class,
904 reload_address_index_reg_class): Don't declare.
905 * reload1.c (reg_old_renumber, pseudo_previous_regs,
906 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
907 (used_spill_regs): Now static.
908 (reload_address_base_reg_class, reload_address_index_reg_class,
909 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
910 basic_block_needs, max_needs, group_size, group_mode, max_groups,
911 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
914 (init_reload): Delete code to compute base/index reg classes.
915 (reload): Delete variable J.
916 Delete code to manage basic_block_needs.
917 Don't compute regs_explicitly_used.
918 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
919 pseudo_previous_regs.
920 Initialize bad_spill_regs_global.
921 Don't call order_regs_for_reload here.
922 Don't initialize spill_reg_order and n_spills.
923 Don't forbid explicitly used regs to be used for spill regs.
924 Change main loop to infinite loop, with explicit break statements.
925 Make SOMETHING_CHANGED variable local to that loop.
926 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
927 max_groups_insn, max_nongroups_insn, group_size, group_mode.
928 Make sure spilled_speudos is cleared before calling spill_hard_reg or
930 Don't call dump_needs.
931 Delete code to reset potential_reload_regs.
932 Delete code to terminate loop conditional on the global needs variables
933 showing no further needs.
934 (calculate_needs_all_insns): Return void. All callers changed.
935 Initialize somehing_needs_elimination here, not in reload.
936 Delete avoid_return_reg kludge.
937 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
939 Initialize the group_mode and group_size elements of the arg CHAIN.
940 Delete code to manage basic_block_needs.
941 Operate on elements of CHAIN instead of global variables.
942 Delete avoid_return_reg kludge.
943 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
945 Operate on elements of CHAIN instead of global variables.
946 Delete special SMALL_REGISTER_CLASSES code.
947 Delete spill_failure code; now in new_spill_reg.
948 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
950 Operate on elements of CHAIN instead of global variables.
951 (maybe_mark_pseudo_spilled): New static function.
952 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
954 Operate on elements of CHAIN instead of global variables.
955 Call order_regs_for_reload here, not in reload.
956 Initialize spill_reg_order and n_spills.
957 Simplify test whether an asm insn is involved.
958 Delete spill_failure code; now in new_spill_reg.
959 Call maybe_mark_pseudo_spilled for everything marked as live in
960 CHAIN. Merge CHAIN's used_spill_regs into the global variable
962 (dump_needs): Take CHAIN arg. No longer static, to prevent the
963 compiler from optimizing this function (now unused) away.
964 Operate on elements of CHAIN instead of global variables.
965 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
967 Operate on elements of CHAIN instead of global variables.
968 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
969 take CHAIN arg. All callers changed.
970 Operate on elements of CHAIN instead of global variables.
971 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
972 CHAIN, NONGROUP args. Return void. All callers changed.
973 Verify caller isn't trying to spill a pseudo.
974 Simplify test for illegal reg, just use bad_spill_regs.
975 Generate better error messages.
976 Operate on elements of CHAIN instead of global variables.
977 Mark spilled register in CHAIN's used_spill_regs element.
978 Don't call spill_hard_reg.
979 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
980 Mark spilled hard regs in bad_spill_regs_global.
981 Mark affected pseudos in spilled_pseudos, but don't spill them.
982 (ior_hard_reg_set): New static function.
983 (finish_spills): Return int. All callers changed.
984 Compute spill_reg_order, n_spills and spill_regs here. Also update
985 regs_ever_live for regs used as spills.
986 For every pseudo in spilled_pseudos, spill it and mark the previous
987 hard reg it had in pseudo_previous_regs. Compute which hard regs
988 arseudo): New static function.
989 (order_regs_for_reload): Take CHAIN arg. All callers changed.
990 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
991 hard registers explicitly used across the current insn into the set.
992 Compute hard_reg_n_uses taking only pseudos live across this insn
994 Tweak sorting of potential_reload_regs.
995 (compare_spill_regs): Delete function.
996 (reload_as_needed): Don't sort the spill_regs array, it's computed
997 in proper order in finish_spills.
998 Delete avoid_return_reg kludge.
999 Delete code to manage basic_block_needs.
1000 (allocate_reload_reg): Minor speed/readability tweaks.
1001 Operate on elements of CHAIN instead of global variables.
1002 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
1003 Delete avoid_return_reg kludge.
1004 Initialize reload_reg_used from CHAIN's used_spill_regs element.
1005 Delete unused label FAIL.
1006 (reload_combine): Replce reload_address_index_reg_class with
1008 Don't use used_spill_regs to determine information about lifetime of
1011 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
1013 * toplev.c (display_help): Ignore empty target specific
1014 options, and if -W is also specified on the command line then
1015 display undocumented options.
1017 * config/arm/arm.c: Updated with changes in devo sources.
1018 * config/arm/arm.h: Updated with changes in devo sources.
1019 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
1020 * config/arm/lib1thumb.asm: Add ELF support.
1022 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
1024 * collect2.c (aix64_flag): New variable.
1025 (main, case 'b'): Parse it.
1026 (GCC_CHECK_HDR): object magic number must match mode.
1027 (scan_prog_file): Only check for shared object if valid header.
1028 Print debugging if header/mode mismatch.
1030 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
1032 Added support for arm-elf-linux configuration, submitted by Philip
1033 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
1034 code developed by Catherine Moore <clm@cygnus.com>. The following
1037 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
1040 * configure: Regenerated.
1042 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
1043 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
1044 definitions conditional on their not having been already defined.
1046 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
1047 and .type directives, and add "(PLT)" qualification to function
1050 * config/arm/linux.h: Deleted. This file is now superceeded by
1051 either linux-elf.h or linux-aout.h.
1053 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
1054 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
1056 Move definitions from old linux.h file here.
1058 * config/arm/elf.h: New file. Generic ARM/ELF support.
1060 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
1062 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
1064 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
1065 using the 26bit APCS.
1067 * config/arm/unknown-elf.h: New file. Support for OS'es other
1068 than Linux with ELF.
1070 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
1073 * config/arm/coff.h: Include aout.h for basic assembler macros.
1074 Add support for -mstructure_size_boundary=<n> command line option.
1076 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
1077 command line option. Make macro definitions conditional on their
1078 not having been already defined.
1080 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
1081 command line option.
1084 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
1086 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
1087 has been changed to not include a newline. Use this macro instead.
1088 (output_enumeral_list, const_value_attribute, name_attribute,
1089 comp_dir_attribute, prototyped_attribute, producer_attribute,
1090 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
1091 dwarfout_file_scope_decl, generate_new_sfname_entry,
1092 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
1093 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
1095 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
1097 * combine.c (subst): Process the inputs to a parallel asm_operands
1100 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
1102 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
1104 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
1106 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
1108 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
1110 * version.c: Bump for snapshot.
1112 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
1114 * stmt.c (expand_fixup): Set fixup->before_jump to a
1115 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
1117 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1119 * Makefile.in (recog.o): Depend on toplev.h.
1120 (insn-emit.o): Depend on recog.h.
1121 (insn-peep.o): Depend on recog.h and insn-config.h.
1123 * combine.c (simplify_set): Remove unused variable `scratches'.
1125 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
1126 and `idx' in macro conditional controlling their use.
1128 * genemit.c (main): Make the generated output file include
1129 recog.h. Don't have it declare `insn_operand_constraint', since
1130 we get it from recog.h.
1132 * genpeep.c (main): Make the generated output file include
1133 insn-config.h and recog.h.
1135 * recog.c: Include toplev.h.
1136 (extract_insn): Remove unused variable `p'.
1138 * regclass.c (fix_register): Add missing braces around initializer
1140 (allocate_reg_info): Move variable `i' into the scope where it is
1141 used. Change its type to `size_t'.
1143 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1145 * reload.c (push_reload): When merging reloads, make sure
1146 that reload_in_reg and reload_in are from the same reload in
1149 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
1151 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
1152 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
1154 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
1156 * loop.c (loop_has_tablejump): New variable.
1157 (prescan_loop): Scan for it.
1158 (insert_bct): Replace explicit scan with use of it.
1159 * regclass.c (regclass): Restore loop variable j.
1160 (record_reg_classes): Deterine op_types modifiers and initialize
1161 classes[i] before matching constraints. Handle matching
1164 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
1166 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
1169 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1171 * mips.h (EXTRA_SPECS): Add missing initializers.
1173 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1175 * sparc.h (EXTRA_SPECS): Add missing initializers.
1176 (sparc_defer_case_vector): Provide a prototype.
1178 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
1179 comparing it to the result of a pointer subtraction.
1181 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1183 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
1184 the argument to (unsigned char).
1186 * alpha.h (EXTRA_SPECS): Add missing initializers.
1187 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
1190 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
1192 * flow.c (life_analysis_1): Enable "rescan" code after reload.
1193 (propagate_block): Delete dead code after reload.
1195 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
1196 back Oct 15, 1998 change.
1197 * haifa-sched.c (update_flow_info): Likewise.
1198 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
1200 * mn10200.md (truncated shift): Accept constant inputs too.
1202 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
1204 * machmode.h (mode_mask_array): No longer const.
1205 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
1207 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1209 * frame.c: Somewhat explain `FDE'.
1210 Suggested by Brendan Kehoe
1212 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
1214 * expr.c (pending_chain): Move up.
1215 (save_expr_status): Do save pending_chain.
1216 (restore_expr_status): And restore it.
1217 * function.h (struct function): Add pending_chain.
1219 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1221 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
1222 did not match the code.
1224 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1226 * regclass.c (regclass): Break out some code into new function
1227 scan_one_insn, and into regclass_init.
1228 (init_cost): New static variable, moved out of regclass.
1229 (regclass_init): Initialize it here, not in .
1230 (scan_one_insn): New static function, broken out of regclass.
1231 * recog.c (apply_change_group): Break out some code into new
1232 function insn_invalid_p.
1233 (insn_invalid_p): New static fn, broken out of apply_change_group.
1235 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
1237 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
1238 reg_reloaded_contents matches incremented pseudo.
1240 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
1242 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1244 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
1245 addressing modes with side effects. These are currently
1246 placeholders for the C4x target.
1248 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1250 * loop.c (express_from): Make sure that when generating a PLUS of
1251 a PLUS, any constant expression appears on the outermost PLUS.
1253 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
1255 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
1256 works if "$(srcdir)" != ".".
1259 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
1261 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
1262 existing SUBREG if we can, otherwise abort.
1264 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
1266 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
1267 `restrict' is applied to a non-pointer variable.
1269 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
1271 * invoke.texi: Document -flang-isoc9x.
1273 * Makefile.in (OBJS): Add splay-tree.o.
1274 (c-common.o): Depend on rtl.h.
1275 (splay-tree.o): List dependencies and provide build rule.
1277 * rtl.h (record_alias_subset): New function.
1278 * alias.c: Include splay-tree.h.
1279 (alias_set_entry): New type.
1280 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
1281 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
1282 (mems_in_disjoin_alias_sets_p): New function.
1283 (alias_set_compare): Likewise.
1284 (insert_subset_children): Likewise.
1285 (get_alias_set_entry): Likewise.
1287 * tree.h (TYPE_RESTRICT): New macro.
1288 (TYPE_UNQUALIFIED): New manifest constant.
1289 (TYPE_QUAL_CONST): Likewise
1290 (TYPE_QUAL_VOLATILE): Likewise.
1291 (TYPE_QUAL_RESTRICT): Likewise.
1292 (tree_type): Add restrict_flag. Reduce count of free bits.
1293 (DECL_POINTER_ALIAS_SET): New macro.
1294 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
1295 (tree_decl): Add pointer_alias_set.
1296 (build_qualified_type): New function.
1297 (build_type_variant): Define in terms of build_qualified_type.
1298 * tree.c (set_type_quals): New function.
1299 (make_node): Initializae DECL_POINTER_ALIAS_SET.
1300 (build_type_attribute_variant): Use build_qualified_type and
1302 (build_type_variant): Rename, and modify, to become...
1303 (build_qualified_type): New function.
1304 (build_complex_type): Use set_type_quals.
1306 * c-tree.h (C_TYPE_OBJECT_P): New macro.
1307 (C_TYPE_FUNCTION_P): Likewise.
1308 (C_TYPE_INCOMPLETE_P): Likewise.
1309 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
1310 (c_apply_type_quals_to_decl): New function.
1311 (c_build_qualified_type): New function.
1312 (c_build_type_variant): Define in terms of c_build_qualified_type.
1313 (flag_isoc9x): Declare.
1314 * c-typeck.c (qualify_type): Use c_build_qualified_type.
1315 (common_type): Change to use TYPE_QUALS.
1316 (comptypes): Likewise.
1317 (convert_for_assignment): Likewise.
1318 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
1319 * c-decl.c (flag_isoc9x): Define.
1320 (c_decode_option): Handle -flang-isoc9x.
1321 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
1322 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
1323 * c-lex.c (init_lex): Deal with restrict.
1324 (init_lex): Don't treat restrict as a reserved word in
1325 -traditional mode, or without -flang-isoc9x.
1326 * c-lex.h (rid): Add RID_RESTRICT.
1327 * c-parse.gperf (restrict, __restrict, __restrict__): Make
1328 equivalent to RID_RESTRICT.
1329 * c-parse.in (TYPE_QUAL): Update comment.
1330 * c-common.c: Include rtl.h.
1331 (c_find_base_decl): New function.
1332 (c_build_type_variant): Rename, and modify, to become ...
1333 (c_build_qualified_type): New function.
1334 (c_apply_type_quals_to_decl): Likewise.
1335 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
1336 a particular alias set for the reference.
1337 * toplev.c (documented_lang_options): Add -flang-isoc9x.
1339 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
1341 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
1342 command line switches.
1344 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
1346 * reload.c (loc_mentioned_in_p): Add missing braces to bind
1349 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
1351 * gcc.c (option_map): Added --classpath and --CLASSPATH.
1353 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
1355 * regclass.c (fix_register): Add error message.
1356 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
1359 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1361 * c-decl.c (warn_missing_noreturn): New global variable.
1362 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
1363 (finish_function): Implement missing noreturn warning.
1365 * c-tree.h (warn_missing_noreturn): Declare extern.
1367 * invoke.texi: Document new flags.
1369 * toplev.c (documented_lang_options): Add description.
1371 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1373 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
1374 loop optimization stable for the C4x.
1375 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
1376 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
1377 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
1379 (c4x_address_conflict): Be more paranoid when packing a volatile
1380 memref in a parallel load/store.
1382 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1384 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
1385 repeat_block_filler): Deleted.
1386 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
1387 Condition code not set if destination register from 'c' class.
1388 (*subbqi3_carry_clobber): Fix typo.
1390 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1392 * reorg.c (steal_delay_list_from_target) Check for insns that
1393 modify the condition codes and effect the direction of the jump
1396 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
1398 * function.c (purge_addressof_1): Replace call to
1399 emit_insns_before() with emit_insn_before().
1401 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
1403 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
1405 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1407 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
1409 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
1411 * gcse.c (compute_hash_table): Correctly identify hard regs which are
1412 clobbered across calls.
1414 * loop.c (scan_loop): Be more selective about what invariants are
1415 moved out of a loop.
1417 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
1419 * version.c: Bump for snapshot.
1421 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
1423 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
1424 static eh_context structure.
1426 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1428 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
1430 (try_combine): Don't update max_scratch.
1431 * flow.c (max_scratch, num_scratch): Delete variables.
1432 (life_analysis_1): Don't initialize max_scratch.
1433 (propagate_block): Don't update max_scratch.
1434 (mark_set_1): Don't increment num_scratch.
1435 * regs.h (max_scratch): Delete declaration.
1437 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
1439 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
1440 is nonzero. This is temporary!
1442 * sched.c (update_flow_info): Handle death notes made invalid by
1443 instruction splitting. Partially reverts Oct 15, 1998 patch.
1444 * haifa-sched.c (update_flow_info): Likewise.
1446 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
1448 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
1449 if it has a nonzero DECL_INITIAL.
1451 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1453 * Makefile.in (flow.o): Depend on recog.h.
1455 * cpplib.h (directive_table): Add missing initializiers.
1456 (finclude): Change type of variable `bsize' to size_t.
1458 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
1460 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
1462 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
1463 `int' when comparing against one.
1464 (cpp_file_line_for_message): Mark parameter `pfile' with
1466 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
1468 * flow.c: Include recog.h.
1469 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
1471 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
1472 `f' with ATTRIBUTE_UNUSED.
1473 (reposition_prologue_and_epilogue_notes): Likewise.
1475 * genopinit.c (gen_insn): Cast argument of ctype functions to
1478 * haifa-sched.c: Include recog.h.
1479 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
1480 comparing against one.
1482 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
1484 * mips-tfile.c (parse_end): Cast the argument of ctype function to
1486 (parse_ent): Likewise.
1487 (parse_input): Likewise.
1489 * optabs.c (init_libfuncs): Likewise.
1491 * protoize.c (find_rightmost_formals_list): Likewise.
1493 * recog.h (const_double_operand): Fix typo in prototype.
1495 * tlink.c (scan_linker_output): Cast the argument of ctype
1496 function to `unsigned char'.
1498 * toplev.c (check_lang_option): Cast the result of `strlen' to
1499 `int' when comparing against one.
1501 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
1503 * gcse.c (dump_cuid_table): Correct typo.
1505 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
1507 * toplev.c (display_help): Prepend '-m' to target specific
1509 (check_lang_option): Ignore text after end of first word of a
1510 language specific option.
1512 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1514 * reload1.c (reg_used_by_pseudo): New static variable.
1515 (choose_reload_regs): Initialize it.
1516 Use it instead of testing spill_reg_order to determine whether a
1517 pseudo is live in a hard register across the current insn.
1518 Fix a typo in a reference to reload_reg_rtx.
1520 * flow.c (propagate_block): Replace code that computes and uses
1521 regs_sometimes_live with simpler code that just walks the set of
1522 currently live registers.
1524 * Makefile.in (insn-extract.o): Fix dependencies.
1525 * genextract.c (main): Generate includes for insn-config.h and
1527 Delete generation of declarations which are now in recog.h.
1528 * genrecog.c (main): Delete generation of definitions which are
1530 * local-alloc.c (block_alloc): Use extract_insn and the variables
1531 it sets up instead of looking up values by insn_code.
1532 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
1533 recog_dup_num): Define here instead of generating the definition in
1535 (recog_n_operands, recog_n_dups, recog_n_alternatives,
1536 recog_operand_mode, recog_constraints, recog_operand_address_p):
1538 (extract_insn): New function.
1539 * recog.h (extract_insn): Declare function.
1540 (which_alternative, recog_n_operands, recog_n_dups,
1541 recog_n_alternatives, recog_operand_mode, recog_constraints,
1542 recog_operand_address_p): Declare variables.
1543 * regclass.c (n_occurrences): New static function.
1544 * reload.c (n_occurrences): Delete function.
1545 (find_reloads): Use extract_insn.
1546 * reload.h (n_occurrences): Delete declaration.
1548 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
1550 * reload1.c (reload_as_needed): Fix test for when to call
1551 update_eliminable_offsets.
1553 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1555 Fix consistency problems with reg_equiv_{mem,address};
1556 Improve reload inheritance;
1558 * reload.c (reload_out_reg): New variable.
1559 (loc_mentioned_in_p, remove_address_replacements): New functions.
1560 (remove_replacements): Deleted.
1561 (push_reload): Set reload_out_reg[i].
1562 When merging, also set reload_{in,out}_reg[i], and remove
1563 duplicate address reloads.
1564 (combine_reloads): Copy reload_out_reg[i].
1565 (find_reloads): Do make_memloc substitution also when
1566 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
1568 Include *recog_operand_loc in commutativity operand changes.
1569 Generate optional output reloads.
1570 Delete reference to n_memlocs. Don't set *recog_operand_loc before
1571 processing operands. Call make_memloc in reg_equiv_address code.
1572 Set *recog_operand_loc only after processing operands, and only
1573 if replace is true. Return a value.
1574 When changing address reload types for operands that didn't get
1575 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
1576 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
1577 Don't emit USEs for pseudo SUBREGs when not replacing.
1578 (find_reloads_address): Do make_memloc substitution also when
1579 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
1581 (find_reloads_toplev): Likewise.
1582 Call make_memloc in reg_equiv_address code.
1583 (debug_reload_to_stream): Add code to output reload_out_reg.
1584 (make_memloc): Delete local variable i, ifdefed out code, and
1585 references to memlocs and n_memlocs.
1586 (memlocs, n_memlocs): Delete.
1587 (push_secondary_reload): Clear reload_out_reg.
1588 (find_reloads_address_1): Provide memrefloc argument to all calls
1589 to find_reloads_address.
1590 In AUTO_INC code, handle non-directly addressable equivalences properly.
1591 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
1592 (find_reloads): Add return type.
1593 (remove_address_replacements, deallocate_reload_reg): Declare.
1594 * reload1.c (num_not_at_initial_offset): No longer static.
1595 (delete_address_reloads, delete_address_reloads_1): Likewise.
1596 (deallocate_reload_reg): New function.
1597 (spill_reg_stored_to): New array.
1598 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
1599 (eliminate_regs_in_insn): Move assignments of previous_offset and
1600 max_offset fields, and recalculation of num_not_at_initial_offset
1601 into new static function:
1602 (update_eliminable_offsets) .
1603 (reload_as_needed): Call update_eliminable_offsetss after calling
1605 Call forget_old_reloads_1 with contents of reloaded auto_inc
1606 expressions if the actual addressing can't be changed to match the
1608 (choose_reload_regs): For inheritance, replace
1609 reload_reg_free_before_p test with reload_reg_used_at_all test, and
1610 remove stand-alone reload_reg_used_at_all test.
1611 Use reload_out_reg to determine which reload regs have output reloads.
1612 Treat reload_override_in more similar to inherited reloads.
1613 Handle (subreg (reg... for inheritance.
1614 For flag_expensive_optimizations, add an extra pass to remove
1615 unnecessary reloads from known working inheritance.
1616 Delete obsolete code for pseudos replaced with MEMs.
1617 Handle inheritance from auto_inc expressions.
1618 (emit_reload_insns): If reload_in is a MEM, set OLD to
1620 Don't reload directly from oldequiv; if it's a pseudo with a
1621 stack slot, use reload_in[j].
1622 Check that reload_in_reg[j] is a MEM before replacing reload_in
1623 from reg_reloaded_contents.
1624 Include non-spill registers in reload inheritance processing.
1625 Also try to use reload_out_reg to set spill_reg_store /
1626 reg_last_reload_reg.
1627 In code to set new_spill_reg_store, use single_set to find out if
1628 there is a single set.
1629 Add code that allows to delete optional output reloads.
1630 Add code to allow deletion of output reloads that use no spill reg.
1631 At the end, set reload_override_in to oldequiv.
1632 Also call delete_output_reload if reload_out_reg is equal to old
1634 Add code to call delete_output_reload for stores with no matching load.
1635 Set / use spill_reg_stored_to.
1636 Handle case where secondary output reload uses a temporary, but
1637 actual store isn't found.
1638 When looking for a store of a value not loaded in order to call
1639 delete_output_reload, count_occurences should return 0 for no
1640 loads; but discount inherited input reloadill_reg_stored_to.
1641 Do checks for extra uses of REG. Changed all
1643 Use delete_address_reloads.
1644 (reload): Take return value of find_reloads into account.
1645 If a no-op set needs more than one reload, delete it.
1646 (reload_reg_free_before_p): RELOAD_FOR_INPUT
1647 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
1648 for the same operand.
1649 (clear_reload_reg_in_use): Check for other reloads that keep a
1651 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
1652 RELOAD_FOR_OPADDR_ADDR.
1653 Take into account when an address address reload is only needed
1654 for the address reload we are considering.
1655 (count_occurrences): Use rtx_equal_p for MEMs.
1656 (inc_for_reload): Return instruction that stores into RELOADREG.
1657 New argument two, IN, and rtx. Changed all callers.
1658 (calculate_needs_all_insns, reload_as_needed):
1659 Don't clear after_call for a CLOBBER.
1660 Keep track of how many hard registers need to be copied from
1661 after_call, and don't clear after_call before we have seen
1662 that much copies, or we see a different instruction.
1664 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
1666 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
1667 after reload has completed.
1669 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
1671 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
1672 a macro name and the next token with a single blank if that whitespace
1673 is in a macro buffer and the next token is not '('.
1675 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
1677 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
1679 (skip_if_group): Ditto.
1680 (skip_to_end_of_comment): Ditto.
1682 (discard_comments): Ditto.
1683 (change_newlines): Ditto.
1685 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
1687 * c-lex.c (yylex): Fix unaligned access of wchar_t.
1689 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
1691 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
1692 (TARGET_OPTIONS): Add --help documentation.
1694 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1696 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
1698 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
1700 * fixinc/* Moved in from ../contrib directory in preparation
1701 for integrating it into the normal build process. In particular,
1702 fixinc/Makefile.in must be config-ed into the build directory
1703 as fixinc/Makefile. Proposed patches to ./Makefile.in and
1704 ./configure.in will be "in the mail" momentarily.
1706 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
1708 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
1709 accidently walk into the free list. Comment how that can happen.
1710 (invalidate): Fix indentation.
1712 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1713 Jeffrey A Law (law@cygnus.com)
1715 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
1716 reload. Never perform rescans of the insn chain after reload.
1717 (propagate_block): Do not delete insn or create new autoinc addressing
1720 * jump.c (jump_optimize): Unconditionally use the code that was
1721 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
1722 * reload1.c (reload): When reloading is finished, delete all
1723 REG_DEAD and REG_UNUSED notes.
1724 (emit_reload_insns): Delete all code that was conditional on
1725 PRESERVE_DEATH_INFO_REGNO_P.
1726 (no_longer_dead_regs): Delete variable.
1727 (reload_cse_delete_death_notes): Delete function.
1728 (reload_cse_no_longer_dead): Delete function.
1729 (reload_cse_regs_1): Delete all code to handle deletion of death
1731 (reload_cse_noop_set_p): Likewise.
1732 (reload_cse_simplify_set): Likewise.
1733 (reload_cse_simplify_operands): Likewise.
1734 (reload_cse_move2add): Likewise.
1735 * reorg.c (used_spill_regs): Delete declaration.
1736 (max_label_num_after_reload): Delete declaration.
1737 (find_dead_or_set_registers): Don't assume that spill regs are
1738 dead at a CODE_LABEL.
1739 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
1741 * sched.c (sched_analyze_insn): Likewise.
1742 (update_flow_info): Likewise.
1743 * haifa-sched.c (sched_analyze_insn): Likewise.
1744 (update_flow_info): Likewise.
1745 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
1746 * toplev.c (max_label_num_after_reload): Delete variable.
1747 (rest_of_compilation): Don't set max_label_num_after_reload.
1748 Call life_analysis after reload_cse_regs if optimizing.
1749 * config/gmicro/gmicro.h: Delete comment referring to
1750 PRESERVE_DEATH_INFO_REGNO_P.
1751 * config/i386/i386.h: Likewise.
1752 * config/m88k/m88k.h: Likewise.
1753 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
1754 * config/sh/sh.h: Likewise.
1756 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
1758 * loop.c (strength_reduce): Restore marking bct_p as
1760 * rs6000.c (optimization_options): Change #ifdef HAIFA to
1761 HAVE_decrement_and_branch_on_count.
1762 (small_data_operand): Remove TARGET_ELF condition for marking
1763 parameters ATTRIBUTE_UNUSED.
1765 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
1767 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
1768 (SELECT_SECTION): Resync with svr4.h.
1770 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
1772 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
1775 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
1777 * c-pragma.c (handle_pragma_token): Test for null tree before
1778 dereferencing TREE_CODE.
1780 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1782 * config/c4x/c4x.c: Convert to use GEN_INT.
1783 (c4x_parallel_process): Rework to handle new repeat loop structure.
1785 * config/c4x/c4x.md: Convert to use GEN_INT.
1786 (rptb_end): Convert to use GE test. Replace uses with clobbers.
1787 (decrement_and_branch_on_count): Likewise.
1789 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
1790 loop.c has the desired functionality.
1791 (rc_reg_operand): New prototype.
1793 * config/c4x/t-c4x: Can now build all front ends.
1795 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
1797 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
1799 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
1801 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
1802 * config/t-rtems: Do not install assert.h -- use newlib's.
1804 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1806 * combine.c (combine_instructions): When finished, call init_recog.
1807 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
1809 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
1811 * toplev.c: If flag_syntax_only, don't open or write assembler file.
1813 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1815 * cppalloc.c (memory_full): Mark function prototype with
1818 * demangle.h (collect_exit): Likewise.
1820 * fix-header.c (v_fatal, fatal): Likewise.
1822 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
1825 * gcov.c (print_usage): Likewise.
1827 * genattr.c (fatal, fancy_abort): Likewise.
1829 * genattrtab.c (fatal, fancy_abort): Likewise.
1831 * gencodes.c (fatal, fancy_abort): Likewise.
1833 * genconfig.c (fatal, fancy_abort): Likewise.
1835 * genemit.c (fatal, fancy_abort): Likewise.
1837 * genextract.c (fatal, fancy_abort): Likewise.
1839 * genflags.c (fatal, fancy_abort): Likewise.
1841 * genopinit.c (fatal, fancy_abort): Likewise.
1843 * genoutput.c (fatal, fancy_abort): Likewise.
1845 * genpeep.c (fatal, fancy_abort): Likewise.
1847 * genrecog.c (fatal, fancy_abort): Likewise.
1849 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
1850 __sjpopnthrow, __throw): Likewise.
1852 * objc/objc-act.c (objc_fatal): Likewise.
1854 * protoize.c (usage, aux_info_corrupted,
1855 declare_source_confusing): Likewise.
1857 * rtl.c (dump_and_abort): Likewise.
1859 * rtl.h (sets_cc0_p): Likewise.
1861 * toplev.c (float_signal, pipe_closed): Likewise.
1863 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1865 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
1866 when generating the decision tree for the general case.
1868 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
1869 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
1871 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1873 * Makefile.in (sched.o): Depend on recog.h.
1875 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
1876 (unsigned) when comparing against one.
1877 (find_base_value): Likewise.
1878 (record_base_value): Cast variable `regno' to (unsigned) when
1879 comparing against one. Cast the result of REGNO() macro to
1880 (unsigned) when comparing against one.
1881 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
1883 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
1884 variable where an unsigned index is needed.
1886 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
1887 before comparing against one.
1889 * collect2.c: Add prototypes for functions `error', `fatal' and
1890 `fatal_perror'. Make these functions take variable arguments
1891 instead of faking it with a fixed number of args.
1892 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
1895 * combine.c (can_combine_p): Mark parameter `pred' with
1897 (find_split_point): Cast variable `src' to (unsigned
1898 HOST_WIDE_INT) when comparing against one.
1899 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
1900 (simplify_logical): Likewise.
1901 (force_to_mode): Cast result of INTVAL() macro to (unsigned
1902 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
1903 HOST_WIDE_INT) in shift.
1904 (simplify_and_const_int): Cast result of INTVAL() macro to
1905 `unsigned HOST_WIDE_INT' when comparing against one.
1906 (merge_outer_ops): Cast variable const0 to `unsigned
1907 HOST_WIDE_INT' when comparing against the result of
1908 GET_MODE_MASK() macro.
1909 (simplify_comparison): Likewise for variable `c0'. Cast variable
1910 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
1911 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
1912 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
1913 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
1914 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
1915 comparing against one.
1916 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
1918 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
1919 macro to `unsigned HOST_WIDE_INT' when comparing against one.
1920 (output_block_move): Cast `sizeof' expression to (int) when
1921 comparing against one.
1922 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
1924 (save_restore_insns): Cast `base_offset' to `long' to match format
1925 specifier in fprintf.
1927 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
1928 to `enum machine_mode'.
1930 * flow.c (life_analysis_1): Remove unused variable `insn'.
1932 * gcc.c (translate_options): Move variables `j' and `k' into the
1933 scope in which they are used. Change their types to `size_t'.
1934 (set_spec): Cast the argument of ctype macro to `unsigned char'.
1935 (read_specs): Likewise.
1936 (process_command): Cast `sizeof' to (int) when comparing against one.
1937 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
1938 (handle_braces): Cast both sides of `==' expression to `long' to
1939 ensure sign matching.
1940 (main): Cast variable `i' to `int' when comparing against one.
1942 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
1943 int to size_t. Cast variable `i' to size_t when comparing against
1946 * genattrtab.c (convert_set_attr_alternative): Remove unused
1947 parameter `insn_code'. All callers changed.
1948 (convert_set_attr): Likewise.
1950 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
1951 size_t when comparing against one. Likewise for variable `len'.
1953 * global.c (global_alloc): Cast variable `max_regno' to size_t
1954 when comparing against one. Likewise for variable `max_allocno'.
1956 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
1958 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
1959 `set' with ATTRIBUTE_UNUSED.
1960 (find_free_reg): Cast `sizeof' expression to (int) when comparing
1963 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
1964 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
1965 (get_condition): Cast variable `const_val' to `unsigned
1966 HOST_WIDE_INT' when comparing against one. Cast unsigned
1967 expression to HOST_WIDE_INT when comparing against one.
1968 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
1969 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
1970 `unsigned' when comparing against one.
1972 * protoize.c (is_id_char): Change type of parameter `ch' to
1974 (munge_compile_params): Cast argument of ctype macro to (const
1976 (process_aux_info_file): Cast variable `aux_info_size' to int when
1977 comparing against one.
1978 (forward_to_next_token_char): Cast argument of ctype macro to
1979 `const unsigned char'.
1980 (edit_formals_lists): Likewise.
1981 (find_rightmost_formals_list): Likewise.
1982 (add_local_decl): Likewise.
1983 (add_global_decls): Likewise.
1984 (edit_fn_definition): Likewise.
1985 (do_cleaning): Likewise.
1986 (scan_for_missed_items): Likewise.
1987 (edit_file): Cast variable `orig_size' to (int) when comparing
1989 (main): Cast argument of ctype macro to `const unsigned char'.
1991 * recog.c (const_int_operand): Mark parameter `mode' with
1994 * regclass.c (record_reg_classes): Change type of variable `c' to
1995 `unsigned char'. Cast `char' array index to `unsigned char'.
1997 * reload.c (push_secondary_reload): Cast argument to
1998 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
2000 * reload1.c (calculate_needs): Cast `char' array index to
2002 (set_label_offsets): Change type of variable `i' to unsigned int.
2003 Cast result of XVECLEN() macro to unsigned when comparing against
2005 (mark_not_eliminable): Change type of variable `i' to unsigned.
2006 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
2007 when comparing against one.
2008 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
2009 comparing against one.
2010 (choose_reload_regs): Hide unused label `fail'.
2011 (reload_cse_simplify_operands): Cast `char' array index to
2013 (reload_combine_note_store): Mark parameter `set' with
2014 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
2016 (reload_cse_move2add): Remove unused variable `src2'.
2018 * sched.c: Include recog.h.
2019 (sched_note_set): Remove unused parameter `b'. All callers
2021 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
2022 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
2023 when comparing against one.
2025 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
2026 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
2027 comparing against one.
2029 * unroll.c (precondition_loop_p): Remove unused parameter
2030 `loop_end'. All callers changed.
2032 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2034 * reload1.c (maybe_fix_stack_asms): New static function.
2037 * reload.h (compute_use_by_pseudos): Declare.
2039 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
2040 (something_needs_reloads): Delete variable.
2041 (finish_spills): New function.
2042 (compute_use_by_pseudos): New function.
2044 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
2045 Use the reload_insn_chain instead of walking the rtl directly.
2047 (reload): Allocate and free spilled_pseudos.
2048 Ensure that all calls of spill_hard_reg are followed by a call to
2050 Use the insns_need_reload list instead of something_needs_reloads
2051 to find out if reload_as_needed must be called.
2052 Clear unused_insn_chains at the end.
2054 (calculate_needs_all_insns): Lose FIRST parameter. All callers
2056 Delete code to keep track of current basic block.
2057 Walk reload_insn_chain instead of the rtl structure. Build the
2058 insns_need_reload chain.
2059 Remember which insns need reloading/elimination by setting the
2060 appropriate fields in struct insn_chain, not by putting modes on the
2063 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
2064 arg INSN. All callers changed.
2065 Delete declaration of struct needs.
2066 Don't set something_needs_reloads.
2067 Record insn needs in the CHAIN argument.
2069 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
2071 (reload_as_needed): Lose FIRST arg. All callers changed.
2072 Walk the reload_insn_chain instead of the rtx structure.
2073 Delete code to keep track of current basic block.
2074 Rename one of the NEXT variables to OLD_NEXT.
2076 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
2078 (choose_reload_regs): Likewise.
2080 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
2083 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
2084 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
2085 (hard_regs_live, hard_regs_need_restore): Delete variables.
2086 (n_regs_saved): Now static.
2087 (referenced_regs, this_insn_sets): New variables.
2089 (setup_save_areas): Restructure the code a bit.
2091 (restore_referenced_regs): Delete function.
2092 (mark_referenced_regs): New function, similar to the old
2093 restore_referenced_regs, but mark registers in referenced_regs.
2095 (clear_reg_live): Delete function.
2096 (mark_set_regs): Renamed from set_reg_live. All callers changed.
2097 Only mark registers in this_insn_sets.
2099 (save_call_clobbered_regs): Rework this function to walk the
2100 reload_insn_chain instead of using the list of instructions directly.
2101 Delete code to keep track of register lives, compute live regs on the
2102 fly from information in the chain.
2103 Instead of calling restore_referenced_regs, use mark_referenced_regs,
2104 then walk the set it computes and call insert_restore as appropriate.
2106 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
2108 Restructure the code a bit. Test hard_regs_saved instead of
2109 hard_regs_need_restore.
2110 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
2111 args. All callers changed.
2112 Restructure the code a bit. Use TO_SAVE to determine which regs to
2113 save instead of more complicated test.
2114 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
2116 Create a new insn_chain structure for the new insn and place it
2119 * rtl.texi: Update documentation to reflect that reload no longer
2120 puts modes on the insns.
2122 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2124 * function.c (purge_addressof_1): Force the first argument of a
2125 CALL insn to memory.
2127 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
2129 * rtl.h: Delete duplicate prototypes. Add some missing
2131 * rtlanal.c: (for_each_rtx): Formatting tweak.
2133 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2135 * real.c (emdnorm and etoasc): Disable round to even for c4x target
2136 to be compatible with TI compiler.
2138 * Makefile.in (USER_H): Add va-c4x.h to definition.
2140 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
2142 * function.c (purge_addressof_1): Fix typo in inequality: do
2143 bitfield optimization for equal mode sizes.
2144 * expmed.c (store_bit_field): Don't take subregs of subregs in
2145 the movstrict case. Tidy a potential problem in the multi-word case.
2146 (extract_bit_field): Likewise.
2148 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2150 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
2152 Compute max_uid_for_flow by calling get_max_uid after the scan.
2153 (find_basic_blocks_1): Don't emit NOPs here.
2155 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
2157 * alias.c (base_alias_check): Accept new args for the modes of the
2158 two references. Use them to determine if an AND can overlap. Update
2160 (memrefs_conflict_p): Assume sizes are aligned, and uses them
2161 to determine if an AND can overlap.
2163 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
2165 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
2166 check. Add comment to document problems with TARGET_SUN_FPA version
2168 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
2170 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2172 * Makefile.in (gencheck.o): Depend on gansidecl.h.
2174 * c-common.c (print_char_table): Add missing initializers.
2175 (scan_char_table): Likewise.
2176 (time_char_table): Likewise.
2178 * c-decl.c (c_decode_option): Mark parameter `argc' with
2180 (declare_parm_level): Mark parameter `definition_flag' with
2183 * c-lex.c (readescape): Use `(unsigned)1' in shift.
2184 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
2187 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
2189 (emit_call_1): Mark parameters `fndecl' and `funtype' with
2191 (expand_call): Cast result of MIN() to (unsigned int) when
2192 comparing against an unsigned value.
2194 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
2196 (make_definition): Remove unused parameter `op'. All callers
2198 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
2199 comparing against the result of pointer arithmetic.
2201 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
2202 when comparing against one.
2204 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
2205 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
2207 (output_die): Move variable `i' into the scope in which it is
2208 used. Change its type to `unsigned'.
2209 (output_die): Cast the result of `strlen' to (int) when passing it
2210 to ASM_OUTPUT_ASCII().
2211 (output_pubnames): Likewise.
2212 (output_line_info): Likewise.
2214 * emit-rtl.c (global_rtl): Add missing initializers.
2216 * explow.c (promote_mode): Mark parameter `for_call' with
2219 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
2220 `unsigned HOST_WIDE_INT' when comparing against one.
2221 (synth_mult): Change type of variable `cost' to int.
2222 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
2224 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
2225 when comparing against one.
2226 (get_inner_reference): Change variable `alignment' to unsigned.
2227 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
2228 int) when comparing against one.
2229 (expand_builtin_setjmp): Change type of variable `i' to size_t.
2231 * fold-const.c (div_and_round_double): Cast BASE to
2232 (HOST_WIDE_INT) when comparing against one.
2234 * gencheck.c: Include gansidecl.h.
2235 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
2237 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
2238 `tcode' with ATTRIBUTE_UNUSED.
2240 * real.c (edivm): Cast constant value to (unsigned long) in
2241 expression compared against an unsigned value.
2243 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
2244 comparing against one.
2245 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
2246 when comparing against one.
2248 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
2249 (unsigned int) when comparing against one. Likewise for
2251 (smallest_mode_for_size): Likewise.
2252 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
2253 (restore_storage_status): Likewise.
2255 * toplev.c (debug_args): Add missing initializer.
2256 (f_options): Spelling correction. Add missing initializers.
2257 (documented_lang_options): Likewise.
2258 (debug_end_source_file): Mark parameter `lineno' with
2261 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
2262 `decl' and `type' with ATTRIBUTE_UNUSED.
2264 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
2265 when comparing against one.
2266 (assemble_variable): Mark parameter `top_level' with
2268 (assemble_external_libcall): Mark parameter `fun' with
2270 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
2273 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
2275 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
2276 Replace use of r5 with use of r19.
2278 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
2280 * config/v850/v850.c (compute_register_save_size): Allow for the
2281 fact that helper functions save all registers, not just those used
2284 Replace constant 31 with macro LINK_POINTER_REGNUM.
2286 * config/v850/v850.md: Use 'indirect_operand' rather than
2287 'memory_operand' for bit test/set/clear patterns.
2289 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
2291 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
2292 * varasm.c (assemble_start_function et al): Don't call
2293 ASM_GLOBALIZE_LABEL for weak symbols.
2295 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
2297 * cse.c (equiv_constant): Check for NULL return from
2298 gen_lowpart_if_possible().
2300 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
2302 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
2304 * collect2.c (main): Pass -EL/-EB through to the compiler.
2306 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2308 * expr.c (push_block): Handle targets where the stack grows
2309 to higher addresses, but args grow to lower addresses and
2310 ACCUMULATE_OUTGOING_ARGS is not defined.
2312 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
2314 * config/v850/v850.c (print_operand): Extend meaning
2315 of 'c' operands to support .vtinherit.
2317 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2319 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
2320 Added ATTRIBUTE_UNUSED to unused function arguments.
2321 (rc_reg_operand): New predicate.
2322 (c4x_rptb_insert): New function.
2323 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
2324 (c4x_optimization_options): New function.
2326 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
2327 (decrement_and_branch_on_count): New pattern.
2328 (rptb_top): Modified pattern to work with BCT optimization.
2330 * config/c4x/c4x.h (RC_REG): New register class.
2331 (rc_reg_operand): Define prototype.
2332 (IS_RC_REG): New macro.
2333 (IS_RC_OR_PSEUDO_REG): New macro.
2334 (IS_RC_OR_PSEUDO_REGNO): New macro.
2335 (OPTIMIZATION_OPTIONS): Define.
2337 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
2339 * collect2.c (extract_init_priority): No priority is 65535.
2341 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
2343 * Makefile.in (build_tooldir): new variable, same as old
2344 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
2345 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
2346 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
2348 * configure.in (gxx_include_dir): set default based on unlibsubdir
2349 * Makefile.in (tooldir): ditto
2350 (cccp.o, cpplib.o): use unlibsubdir implicitly through
2351 gxx_include_dir, includedir and tooldir
2352 (protoize.o, unprotoize.o): ditto
2354 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
2356 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
2358 * config/arm/thumb.c (thumb_override_options): Add warning about
2359 PIC code not being supported just yet.
2361 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
2363 * flow.c: Update comment.
2364 (notice_stack_pointer_modification): New static function.
2365 (record_volatile_insns): Use it.
2366 (mark_regs_live_at_end): Mark the stack pointer as alive
2367 at the end of the function if current_function_sp_is_unchanging
2369 (life_analysis_1): Set current_function_sp_is_unchanging.
2370 * function.c: Define it.
2371 (init_function_start): Initialize it.
2372 * output.h: Declare it.
2373 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
2374 the stack pointer as alive at the end of the function if
2375 current_function_sp_is_unchanging is set.
2376 * i386.c (ix86_epilogue): Optimize the restoring
2377 of the stack pointer.
2379 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
2381 * version.c: Bump for snapshot.
2383 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
2385 * c-pragma.c (handle_pragma_token): If passed a token instead
2386 of a tree, use that as the pack value.
2388 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
2390 * flow.c (find_basic_blocks_1): Fix prototype.
2392 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
2394 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
2395 (struct tree_decl): New fields no_check_memory_usage.
2396 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
2397 (init_attributes): Register it as a new attribute.
2398 (decl_attributes): Set flags on functions given that attribute.
2399 * c-decl.c (duplicate_decls): Merge new attribute.
2400 * expr.h (current_function_check_memory_usage): Declare new var.
2401 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
2402 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
2403 current_function_check_memory_usage.
2404 * function.h: Add field to struct function.
2405 * function.c (current_function_check_memory_usage): Define it.
2406 (push_function_context_to, pop_function_context_from): Save and
2408 (expand_function_start): Set it, based on global flag and function
2411 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
2412 check non-automatic variables, to permit detection of writes to
2413 read-only locations in embedded systems without memory management.
2414 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
2415 when emitting chkr_set_right_libfunc call, even if the argument is
2416 BLKmode or variable-sized; don't abort.
2418 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
2419 symbols in Pmode, not VOIDmode.
2421 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2423 * cppexp.c: When forcing unsigned comparisons, cast both sides
2426 * cpphash.h: Move static declaration of hashtab[]...
2427 * cpphash.c: ...here.
2429 * cpplib.c: Cast difference of two pointers to size_t before
2430 comparing it to size_t. Cast signed to unsigned
2431 before comparing to size_t. (FIXME: struct argdata should use
2432 unsigned buffer sizes.)
2433 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
2434 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
2435 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
2436 size_t before comparison.
2438 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
2440 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
2441 (find_basic_blocks_1): Similarly.
2442 * output.h (find_basic_blocks): Fix prototype.
2443 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
2444 find_basic_blocks anymore.
2446 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
2448 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
2449 (sbitmap_free, sbitmap_vector_free): New macros.
2450 * output.h (rtl_dump_file): Declare.
2452 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
2454 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
2456 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2458 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
2460 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
2461 (divide): Remove unused variable `tmp'.
2462 (si_to_float): Cast numeric constant to (SItype) before comparing
2465 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
2467 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
2468 * gcc.c (add_preprocessor_option): Correct typo when allocating
2469 memory, sizeof() argument had one too many `*'.
2470 (add_assembler_option): Likewise.
2471 (add_linker_option): Likewise.
2472 * gcov.c (output_data): Likewise.
2473 * local-alloc.c (memref_used_between_p): Likewise.
2474 (update_equiv_regs): Likewise.
2475 * loop.c (strength_reduce): Likewise.
2476 * reg-stack.c (record_asm_reg_life): Likewise.
2477 (subst_asm_stack_reg): Likewise.
2478 * reorg.c (dbr_schedule): Likewise.
2480 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2482 * flow.c (life_analysis_1): Break out some functions.
2483 (find_basic_blocks_1): Likewise. Also move some variables out and
2485 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
2486 new static var nonlocal_label_list with it.
2487 (active_eh_region, nested_eh_region, label_value_list,
2488 nonlocal_label_list): New static variables.
2489 (make_edges, delete_unreachable_blocks, delete_block): New static
2490 functions, broken out of find_basic_blocks_1.
2491 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
2492 noop_move_p): New static functions, broken out of life_analysis_1.
2494 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
2496 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
2497 Take extra care for op0 now possibly being a subreg.
2498 (extract_bit_field): Likewise.
2499 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
2500 the reg to memory if there is no equal sized integral mode.
2501 * stor-layout.c (int_mode_for_mode): New function.
2502 * machmode.h: Prototype it.
2504 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
2506 * global.c (build_insn_chain): Verify no real insns exist past the
2507 end of the last basic block, then exit the loop.
2509 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
2511 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
2513 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
2515 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
2517 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
2519 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
2521 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
2523 * flow.c (find_basic_blocks): Correctly determine when a call
2524 is within an exception region.
2526 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
2528 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
2530 * cpplib.h: Protect from multiple inclusions.
2531 * cpplib.c: Fix minor formatting problems.
2533 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
2535 * jump.c (jump_optimize): Revert accidental patch.
2537 * Makefile.in (cpplib.o): Use unlibsubdir.
2539 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
2541 * loop.c (get_condition): Allow combine when either compare is
2544 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
2546 * version.c: Bump for snapshot.
2548 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
2550 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
2551 (init_lex): Initialize ridpointers[RID_BYREF].
2552 * c-lex.h (enum rid): Add RID_BYREF.
2553 * c-parse.gperf: Add RID_BYREF as a type qualifier.
2554 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
2555 (encode_type_qualifiers): Similarly
2556 * c-gperf.h: Rebuilt.
2558 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
2560 * c-common.c (type_for_mode): Only return TItype nodes when
2561 HOST_BITS_PER_WIDE_INT is >= 64 bits.
2562 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
2563 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
2564 (init_decl_processing): Only create TItype nodes when
2565 HOST_BITS_PER_WIDE_INT is >= 64 bits.
2566 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
2567 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
2569 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2571 * stmt.c (n_occurrences): New static function.
2572 (expand_asm_operands): Verify that all constrains match in the
2573 number of alternatives.
2574 Verify that '+' or '=' are at the beginning of an output constraint.
2575 Don't allow '&' for input operands.
2576 Verify that '%' isn't written for the last operand.
2577 * reload.c (find_reloads): Abort if an asm is found with invalid
2578 constraints; all possible problems ought to be checked for earlier.
2580 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2582 * flags.h (flag_branch_on_count_reg): Always declare
2583 * toplev.c (flag_branch_on_count_reg): Likewise.
2584 * toplev.c: Fix typos.
2586 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
2589 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
2591 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
2593 (find_basic_blocks_1): Add a nop to the end of a basic block when
2594 a trailing call insn does not have abnormal control flow.
2595 * gcse.c (pre_transpout): New variable.
2596 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
2597 (compute_pre_transpout): Calculate it.
2598 (compute_pre_ppinout): Use it to eliminate impossible placements
2599 due to abnormal control flow through calls.
2600 (compute_pre_data): Call compute_pre_transpout.
2602 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2604 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
2606 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
2608 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
2609 and matching define_insns): Tack on a `use' of the table label, so
2610 flow analysis will recognize a tablejump.
2612 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
2614 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
2615 always end basic blocks for abnormal edge reasons.
2617 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
2619 * config/i386/i386.h: Remove definition of
2620 HANDLE_PRAGMA_PACK_PUSH_POP.
2622 * config/i386/go32.h: Add definition of
2623 HANDLE_PRAGMA_PACK_PUSH_POP.
2625 * config/i386/win32.h: Add definition of
2626 HANDLE_PRAGMA_PACK_PUSH_POP.
2628 * config/i386/cygwin32.h: Add definition of
2629 HANDLE_PRAGMA_PACK_PUSH_POP.
2631 * c-pragma.c (insert_pack_attributes): Do not insert
2632 attributes unless #pragma pack(push,<n>) is in effect.
2634 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
2636 * expr.c (emit_group_store): Handle a PARALLEL destination.
2638 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
2640 * gcse.c (pre_insert_insn): When a call ends a bb, insert
2641 the new insns before the argument regs are loaded.
2643 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2645 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
2646 (c-parse.gperf): Update comments describing invocation flags.
2647 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
2649 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
2651 * reload1.c (reload): Call free before clobbering the memory
2652 locations or constants pointers.
2654 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2656 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
2657 for efficiency by checking whether we need to modify the current
2658 stack permission at all.
2659 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
2660 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
2661 __enable_execute_stack libcall here too if
2662 TRANSFER_FROM_TRAMPOLINE is defined.
2663 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
2666 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
2668 * Makefile.in (DRIVER_DEFINES): Remove last change.
2670 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2672 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
2673 insns we're going to copy.
2674 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
2676 * loop.c (count_one_set): Add prototype.
2678 * caller-save.c (restore_referenced_regs): Lose mode argument.
2679 (insert_save): Lose mode argument.
2680 (insert_restore): Lose mode argument.
2681 (insert_one_insn): Lose mode argument.
2682 (save_call_clobbered_regs): Lose mode argument.
2683 (setup_save_areas): Take no argument and return void. All callers
2685 Don't verify validity of memory addresses.
2686 * reload.h (setup_save_ares): Adjust prototype.
2687 (save_call_clobbered_regs): Likewise.
2688 * reload1.c (delete_caller_save_insns): New function.
2689 (caller_save_spill_class): Delete variable.
2690 (caller_save_group_size): Delete variable.
2691 (reload): Call setup_save_areas and save_call_clobbered_regs
2692 in the main loop, before calling calculate_needs_all_insns.
2693 Don't call save_call_clobbered_regs after the loop.
2694 Call delete_caller_save_insns at the end of an iteration if
2696 Delete code to manage caller_save_spill_class.
2697 Emit the final note before setting reload_first_uid.
2698 Simplify test that determines whether reload_as_needed gets run.
2699 (calculate_needs): Delete code to manage caller_save_spill_class.
2701 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
2703 * collect2.c (main): Initialize ld_file_name.
2705 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
2707 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
2708 check for flag_function_sections.
2710 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2712 * cse.c (insert_regs): Fix bug in Sep 24 change.
2714 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2716 * flags.h (flag_dump_unnumbered): Declare.
2717 * toplev.c (flag_dump_unnumbered): Don't declare.
2718 * print-rtl.c (flags.h): Include.
2719 (print_rtl_single): Add return value.
2720 * rtl.h (print_rtl_single): Update declaration.
2721 * flow.c (flag_dump_unnumbered): Don't declare.
2722 (print_rtl_with_bb): Use return value of print_rtl_single.
2724 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2726 * loop.c (count_one_set): New static function, broken out of
2728 (count_loop_regs_set): Call it.
2729 * global.c (mark_reg_store): Handle clobbers here by not calling
2731 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
2732 is in fact a clobber.
2733 * integrate.c (process_reg_param): New function, broken out of
2734 expand_inline_function.
2735 (expand_inline_function): Call it.
2738 * i386.md (addsidi3_1): Delete unused variable temp.
2739 (addsidi3_2): Likewise.
2740 (clstrstrsi): Delete unused variable addr1.
2742 * rtl.h: Don't declare any functions also declared in recog.h.
2744 * Makefile.in (stupid.o): Update dependencies.
2745 (global.o): Likewise.
2747 * global.c: Include reload.h
2748 (reg_becomes_live): New function.
2749 (reg_dies): New function.
2750 (build_insn_chain): New function.
2751 (global_alloc): Call build_insn_chain before calling reload.
2753 * reload.h (struct needs): New structure definition.
2754 (struct insn_chain): Likewise.
2755 (reload_insn_chain): Declare variable.
2756 (new_insn_chain): Declare function.
2759 * reload1.c (reload_startobj): New variable.
2760 (reload_insn_chain): New variable.
2761 (unused_insn_chains): New variable.
2762 (new_insn_chain): New function.
2763 (init_reload): Initialize reload_startobj, not reload_firstobj.
2764 (reload): Initialize reload_firstobj.
2765 Before returning, free everything on the reload_obstack.
2767 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
2768 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
2769 current_chain): New variables.
2770 (reg_where_born): Delete variable.
2771 (REG_WHERE_BORN): New macro.
2772 (find_clobbered_regs): New function.
2773 (stupid_life_analysis): Don't allocate/free reg_where_born.
2774 Allocate and free reg_where_born_exact, reg_where_born_clobber,
2775 reg_where_dead_chain.
2776 Use REG_WHERE_BORN instead of reg_where_born.
2777 While processing the insns, build the reload_insn_chain with
2778 information about register lifetimes.
2779 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
2780 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
2782 Compute and information about birth and death of pseudo registers in
2783 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
2784 Delete code to set elements of reg_where_born.
2786 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2788 * tree.def (GOTO_EXPR): Modified documentation.
2789 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
2792 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
2794 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
2795 loop_final_value, loop_comparison_code): No longer static.
2796 (unroll_loop): Delete loop_start_value update.
2797 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
2798 loop_final_value, loop_comparison_code): Extern.
2799 (loop_start_value): Delete extern.
2800 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
2801 loop_comparison_value, loop_comparison_code): Delete.
2802 (loop_optimize): Remove initialization for deleted variables.
2803 (strength_reduce): Delete analyze_loop_iterations call. Only call
2804 insert_bct if flag_branch_count_on_reg set.
2805 (analyze_loop_iterations): Delete.
2806 (insert_bct): Remove iteration count calculation. Move checks for
2807 viable BCT optimization to here. Obtain iteration count from
2808 loop_iterations and correct for unrolling. Check for enough
2809 iteration to be beneficial. Comment out runtime iteration count
2811 (insert_bct): Print iteration count in dump file. Remove
2812 loop_var_mode and use word_mode directly.
2814 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
2815 * rs6000.c (rs6000_override_options): Use it.
2816 (optimization_options): Enable use of flag_branch_on_count_reg.
2817 * rs6000.md (define_function_unit): Describe 604e.
2819 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2821 * loop.c (move_movables): Corrected threshold calculation for
2822 moved_once registers.
2824 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2826 * loop.c (combine_givs_p): Fix test for identical givs.
2828 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
2830 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
2831 call abort if the function is already defined.
2833 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
2835 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
2836 truncation is not a no-op.
2838 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
2840 * version.c: Bump for snapshot.
2842 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
2844 * version.c: Bump for snapshot.
2846 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
2848 * expmed.c (expand_divmod): Don't widen for computing remainder
2849 if we seem to have a divmod pattern for needed mode.
2851 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2853 * cpplib.c (macroexpand): Correct off-by-one error in handling
2856 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
2858 * combine.c (expand_field_assignment): Don't do bitwise operations
2859 on MODE_FLOAT; pun to MODE_INT if possible.
2861 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
2862 scott snyder <snyder@d0sgif.fnal.gov>
2864 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
2865 linker. Recognize mangled names in quotes.
2867 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
2869 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
2870 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
2871 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
2872 (lshrsi3_extend, lshrsi3_extend2): Ditto.
2874 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2876 * function.c (purge_addressof_1): If trying to take a sub-word
2877 integral piece of a floating point mode, put it on the stack.
2879 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
2881 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
2883 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
2885 * PROJECTS: Remove template friends.
2887 * collect2.c (sort_ids): Remove unused variable.
2889 * tm.texi (MATH_LIBRARY): Document.
2890 (NEED_MATH_LIBRARY): Remove.
2892 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
2893 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
2895 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
2897 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
2898 last_end to 0x7fffffff.
2900 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2902 * function.c (purge_addressof_1): Do not perform endianness
2903 corrections on bitpos, who we call will do it for us.
2905 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
2907 * h8300.c (WORD_REG_USED): Fix typo.
2908 (initial_offset): Use WORD_REG_USED.
2910 * h8300.c (handle_pragma): Fix typo.
2912 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2914 * caller-save.c (insert_save_restore): Break this function up
2915 into new functions insert_restore, insert_save and insert_one_insn.
2916 All callers changed.
2917 (insert_restore): New function, mostly broken out of
2918 insert_save_restore.
2919 (insert_save): Likewise.
2920 (insert_one_insn): Likewise.
2921 (restore_referenced_regs): New argument BLOCK. All callers changed.
2922 (save_call_clobbered_regs): Don't keep track of basic block boundaries
2923 in this function, do it in insert_one_insn instead.
2925 * reload1.c (reload): Break out some more pieces into separate
2927 (dump_needs): New function, broken out of reload.
2928 (set_initial_elim_offsets): Likewise.
2929 (init_elim_table): Likewise.
2930 (update_eliminables): Likewise.
2932 * global.c (global_alloc): Delete code to manage the scratch_list.
2933 * local-alloc.c (qty_scratch_rtx): Delete.
2934 (scratch_block): Delete.
2935 (scratch_list): Delete.
2936 (scratch_list_length): Delete.
2937 (scratch_index): Delete.
2938 (alloc_qty_for_scratch): Delete.
2939 (local-alloc): Update initialization of max_qty.
2940 Delete code to manage the scratch list.
2941 Delete code to allocate/initialize qty_scratch_rtx.
2942 (block_alloc): Don't allocate quantities for scratches.
2943 Delete code to manage the scratch list.
2944 * regs.h (scratch_list): Delete declaration.
2945 (scratch_block): Delete declaration.
2946 (scratch_list_length): Delete declaration.
2947 * reload1.c (reload): Delete code to manage the scratch list.
2948 (spill_hard_reg): Likewise.
2949 (mark_scratch_live): Delete.
2951 * recog.c (alter_subreg): Delete declaration.
2953 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
2955 * Makefile.in (cccp.o): Fix typo in last patch.
2957 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2959 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
2960 * config/sh/lib1funcs.asm (___set_fpscr): Add.
2962 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
2964 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
2965 NULL_RTX as an argument.
2967 * Makefile.in (unlibsubdir): Define.
2968 (DRIVER_DEFINES): Use unlibsubdir.
2969 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
2970 (stmp-fixinc): Similarly.
2972 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2974 * regmove.c (regmove_optimize): Add variable old_max_uid.
2975 At the end of the function, update basic_block_end.
2977 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2979 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
2980 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
2983 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
2985 * config/arm/arm.c: Improve interworking support.
2987 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2989 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
2990 copied from reload_out[r] .
2992 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
2994 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
2995 with more than three size ranges.
2997 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
2999 * rtl.c (mode_name): Add a null string at the end of the array.
3000 (mode_wider_mode): Change type to unsigned char.
3001 (mode_mask_array): New variable.
3002 (init_rtl): Update for mode_wider_mode type change.
3004 * rtl.h (mode_wider_mode): Change type to unsigned char.
3005 (mode_mask_array): Declare.
3006 (GET_MODE_MASK): Use mode_mask_array.
3008 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
3010 * calls.c (expand_call) : Encapsulate code into
3011 copy_blkmode_from_reg.
3012 * expr.c (copy_blkmode_from_reg): New function.
3013 * expr.h (copy_blkmode_from_reg): New function.
3014 * integrate.c (function_cannot_inline_p): We can inline
3016 (expand_inline_function): Use copy_blkmode_from_reg
3017 if needed. Avoid creating BLKmode REGs.
3018 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
3021 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
3023 * config/v850/v850.c: Add function prototypes.
3024 Add support for v850 special data areas.
3026 * config/v850/v850.h: Add support for v850 special data areas.
3028 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
3029 HANDLE_PRAGMA_PACK_PUSH_POP.
3030 (push_alignment): New function: Cache an alignment requested
3031 by a #pragma pack(push,<n>).
3032 (pop_alignment): New function: Pop an alignment from the
3034 (insert_pack_attributes): New function: Generate __packed__
3035 and __aligned__ attributes for new decls whilst a #pragma pack
3037 (add_weak): New function: Cache a #pragma weak directive.
3038 (handle_pragma_token): Document calling conventions. Add
3039 support for #pragma pack(push,<n>) and #pragma pack (pop).
3041 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
3042 are defined enable HANDLE_PRAGMA_PACK.
3043 Move 'struct weak_syms' here (from varasm.c).
3044 Add pragma states for push and pop pragmas.
3046 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
3049 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
3050 HANDLE_GENERIC_PRAGMAS.
3052 * varasm.c: Move definition of 'struct weak_syms' into
3054 (handle_pragma_weak): Deleted.
3056 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
3058 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
3060 * c-decl.c (start_function): Add invocation of
3061 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
3063 * tm.texi: Remove description of non-existant macro
3064 SET_DEFAULT_SECTION_NAME.
3066 (HANDLE_SYSV_PRAGMA): Document.
3067 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
3069 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
3071 * config.sub: Recognize i[34567]86-pc-udk as new target.
3072 * configure.in: Likewise.
3073 * config/i386/t-udk: New file.
3074 * config/i386/udk.h: New file.
3076 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
3078 * reorg.c (check_annul_list_true_false): Remove unused variables.
3079 (steal_delay_list_from_target): Add missing "used_annul" variable.
3080 (try_merge_delay_insns): Close out half formed comment.
3082 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
3084 * cpplib.c (macroexpand): If arg->raw_before or
3085 arg->raw_after, remove any no-reexpansion escape at the
3086 beginning of the pasted token. Correct handling of whitespace
3087 markers and no-reexpand markers at the end if arg->raw_after.
3089 * toplev.c (documented_lang_options): Recognize -include,
3090 -imacros, -iwithprefix, -iwithprefixbefore.
3091 * cpplib.c (cpp_start_read): Process -imacros and -include
3092 switches at the same time and in command-line order, after
3093 initializing the dependency-output code. Emit properly nested
3094 #line directives for them. Emit a #line for the main file
3095 before processing these switches, and don't do it again
3098 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
3100 * function.c (purge_addressof_1): Use bitfield manipulation
3101 routines to handle mem mode < reg mode.
3103 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3105 * reorg.c (try_merge_delay_insns): Account for resources referenced
3106 in each instruction in INSN's delay list before trying to eliminate
3107 useless instructions. Similarly when looking at a trial insn's delay
3110 * reorg.c (check_annul_list_true_false): New function.
3111 (steal_delay_list_from_{target,fallthrough}): Call it and also
3112 refine tests for when we may annul if already filled a slot.
3113 (fill_slots_from_thread): Likewise.
3114 (delete_from_delay_slot): Return newly-created thread.
3115 (try_merge_delay_isns): Use its new return value.
3117 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
3119 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
3120 used to compute a giv or as some other non-counting use.
3122 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3124 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
3125 * local-alloc.c (find_free_reg): Use it.
3126 * global.c (find_reg): Likewise.
3127 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
3129 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
3130 * caller-save.c (init_caller_save): Use it.
3131 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
3133 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
3135 * configure.in: Add --enable-cpplib option which uses cpplib
3136 for cpp, but doesn't link cpplib into cc1. Make help text
3137 capitalization consistent.
3138 * configure: Rebuilt.
3140 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
3142 * function.c (gen_mem_addressof): If the address REG is
3143 REG_USERVAR_P make the new REG be so also.
3144 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
3145 in an attempt to clarify slightly.
3147 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
3149 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
3150 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
3152 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
3154 * toplev.c: Fix last patch.
3156 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
3158 * loop.c (get_condition): Fix typo in May 9 change.
3160 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3162 * invoke.texi (-fexceptions): Merge 2 different descriptions.
3164 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3166 * toplev.c (documented_lang_options): Spelling corrections.
3168 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3170 * configure.in: new flags --with-ld and --with-as, equivalent
3171 to setting LD and AS environment variables. Test whether
3172 specified arguments are GNU commands, and report them with
3173 checking messages. Use the specified AS for configure
3176 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
3178 * gcc.c (find_a_file): when looking for `as' and `ld', return
3179 the DEFAULT program if it exists
3180 * collect2.c (main): use DEFAULT_LINKER if it exists
3182 * gcc.c (find_a_file): the test for existence of a full
3183 pathname was reversed
3185 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
3187 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
3188 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
3190 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
3192 * tree.h (TYPE_BINFO): Document.
3194 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
3196 * i386-coff.h (dbxcoff.h): Added.
3198 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
3200 * toplev.c: fix bad patch around flag_data_sections.
3202 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
3204 * reload1.c (reload): Use reload_address_index_reg_class and
3205 reload_address_base_reg_class when setting
3206 caller_save_spill_class. (Patch generated by Jim Wilson:
3209 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
3211 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
3212 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
3213 * expr.c (store_field): Add alias_set parameter. Set the
3214 MEM_ALIAS_SET accordingly, if the target is a MEM.
3215 (expand_assignment): Use it.
3216 (store_constructor_field): Pass 0.
3217 (expand_expr): Likewise.
3219 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
3221 * flags.h: Add flag_data_sections.
3222 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
3223 (compile_file): Error if flag_data_sections not supported.
3224 * varasm.c (assemble_variable): Handle flag_data_sections.
3225 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
3226 * config/mips/elf.h: Likewise.
3227 * config/mips/elf64.h: Likewise.
3228 * invoke.texi: Describe -fdata-sections.
3230 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
3232 * invoke.texi (-ffloat-store): Clarify that this option
3233 does not affect intermediate results -- only variables.
3235 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
3237 * cpp.texi: Update for Fortran usage from Craig.
3239 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
3241 * rs6000.c (function_arg_boundary): Revert accidental change on
3244 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
3246 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
3247 (output_mi_thunk): Declare.
3249 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
3250 (output_function_profiler): Use r12 for temp, instead of r11 so
3251 that we preserve the static chain register.
3253 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
3255 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
3257 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3259 * sh.c (gen_shl_sext): Fix case 5.
3261 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3263 * reload1.c (reload_combine): Re-add line that got accidentally lost.
3265 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3267 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
3268 accessing variables until they are initialized via va_arg().
3270 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3272 * reload1.c (reload_combine): Initialize set before using.
3274 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
3276 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
3279 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
3281 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
3282 operand3 with mask before using it. Patch provided by Jim Wilson.
3284 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3286 * config/sparc/sparc.c (function_value): Perform the equivalent of
3287 PROMOTE_MODE for ARCH64.
3288 (eligible_for_epilogue_delay): Allow DImode operations in delay
3289 slot of a return for ARCH64.
3291 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3293 * sh.md (sqrtsf2): Fix mode of sqrt.
3295 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3297 * reload1.c (choose_reload_regs): Also try inheritance when
3298 reload_in is a stack slot of a pseudo, even if we already got a
3301 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3303 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
3304 (reload_cse_regs): New function body: call reload_cse_regs_1,
3305 reload_combine, reload_cse_move2add.
3306 When doing expensive_optimizations, call reload_cse_regs_1 a
3307 second time after reload_cse_move2add.
3308 (reload_combine, reload_combine_note_store): New functions.
3309 (reload_combine_note_use): New function.
3310 (reload_cse_move2add, move2add_note_store): New functions.
3312 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3314 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
3315 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
3317 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
3318 more than 3 such reloads.
3320 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
3321 RELOAD_FOR_X_ADDR_ADDR reload.
3323 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3325 * expr.c (store_constructor): When initializing a field that is smaller
3326 than a word, at the start of a word, try to widen it to a full word.
3328 * cse.c (cse_insn): When we are about to change a register,
3329 remove any invalid references to it.
3331 (remove_invalid_subreg_refs): New function.
3332 (mention_regs): Special treatment for SUBREGs.
3333 (insert_regs): Don't strip SUBREG for call to mention_regs.
3334 Check if reg_tick needs to be bumped up before that call.
3335 (lookup_as_function): Try to match known word_mode constants when
3336 looking for a norrower constant.
3337 (canon_hash): Special treatment for SUBREGs.
3339 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3341 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
3342 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
3343 defined, emit libcall to __enable_execute_stack. Also fix opcodes
3344 and offsets in actual stack trampoline code so they match the
3345 commentary and actually work.
3347 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3349 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
3351 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
3352 tmake_file. Set extra_parts to needed crt objects.
3353 * configure: Rebuilt.
3354 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
3355 (TARGET_DEFAULT): Set if default is v9 or ultra.
3356 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
3357 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
3358 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
3359 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
3360 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
3361 (TARGET_VERSION): Define.
3362 (MULTILIB_DEFAULT): Define.
3363 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
3364 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
3365 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
3367 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
3368 * config/sparc/sparc.c (sparc_override_options): If arch and
3369 pointer size disagree, emit diagnostic and fix it up. If
3370 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
3371 V8PLUS in 64-bit mode.
3372 * config/sparc/t-linux64: New file.
3373 * config/sparc/t-sol2-64: New file.
3374 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
3375 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
3376 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
3377 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
3378 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
3379 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
3381 (STARTFILE_SPEC): Set approriately based upon those.
3382 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
3383 disposition of DEFAULT_ARCH32_P.
3384 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
3385 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
3386 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
3387 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
3388 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
3390 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
3392 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
3394 * rtl.h (init_virtual_regs): New function.
3395 * emit-rtl.c (init_virtual_regs): Define.
3396 (insn_emit): Use it.
3397 * integrate.c (save_for_inline_copying): Likewise.
3399 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
3401 * config/arm/thumb.h: The following patches were made by Jim Wilson:
3402 (enum reg_class): Add NONARG_LO_REGS support.
3403 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
3404 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
3405 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
3406 completes. Re-enable HImode REG+OFFSET addresses.
3407 (LEGITIMIZE_RELOAD_ADDRESS): Define.
3409 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
3411 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
3413 * alpha.c (get_aligned_mem): Revert Sep 20 change.
3414 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
3415 (alpha_align_insns): Properly calculate initial offset wrt max_align.
3417 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
3419 * arm.c (find_barrier): Revert change of Apr 23. Handle table
3420 jumps as a single entity, taking into account the size of the
3423 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
3425 * tree.def (SWITCH_EXPR): New tree node definition.
3427 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
3429 * version.c: Bump for snapshot.
3431 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
3433 * version.c: Bump for snapshot.
3435 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
3437 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
3440 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
3442 * Revert this patch.
3443 * reload.c (find_reloads): Do not replace a pseudo with
3444 (MEM (reg_equiv_addr)) in the initializing insn for the
3447 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
3449 * final.c (final_scan_insn): Disable tracking CC across branches.
3451 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3453 * expr.h (eh_rtime_match_libfunc): New extern declaration.
3454 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
3455 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
3456 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
3457 NULL. Only include <stdio.h> if inhibit_libc is not defined.
3459 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
3461 * toplev.c (rest_of_compilation): Skip compiling anything with
3462 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
3464 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
3466 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
3467 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
3468 use in_libcall_block.
3469 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
3470 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
3473 Mon Sep 21 14:02:23 1998
3475 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
3476 typo in no-fancy-math-387 description.
3478 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
3480 * version.c: Bump for snapshot.
3482 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
3484 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
3486 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
3488 * i386.h: (TARGET_SWITCHES) Add description fields for flags
3489 documented in install.texi.
3490 (TARGET_OPTIONS) Likewise.
3492 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
3494 * version.c: Bump for snapshot.
3496 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
3498 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
3499 * cccp.c (main): Likewise.
3501 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
3502 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
3505 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
3507 * Makefile.in (LIBS): Link in libiberty.a.
3508 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
3510 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
3512 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
3513 it to update bb boundaries. Update caller.
3514 * function.c (reposition_prologue_and_epilogue_notes): Update
3515 bb boundaries wrt the moved note.
3517 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
3519 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
3521 * configure: Regenerate.
3523 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
3525 * alpha.c (alpha_sr_alias_set): New variable.
3526 (override_options): Set it.
3527 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
3528 (mode_mask_operand): Fix signed-unsigned comparision warning.
3529 (alpha_expand_block_move): Likewise.
3530 (print_operand): Likewise.
3531 (get_aligned_mem): Use change_address.
3532 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
3533 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
3534 (alphaev4_next_nop, alphaev5_next_nop): New functions.
3535 (alpha_align_insns): Remade from old alphaev5_align_insns
3536 to handle multiple processors.
3537 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
3538 * output.h (label_to_alignment): Prototype.
3540 * tree.c (new_alias_set): New function.
3541 * tree.h (new_alias_set): Declare it.
3542 * c-common.c (c_get_alias_set): Use it.
3544 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
3546 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
3547 to an ABS expr, convert an unsigned input to signed.
3549 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
3551 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
3553 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3555 * configure.in: Add support for c4x targets.
3556 * configure: Rebuilt.
3558 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
3560 * combine.c (distribute_notes): If an insn is a cc0 user, only
3561 delete it if we can also delete the cc0 setter.
3563 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
3565 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
3566 (invert_truthvalue): Enable truthvalue inversion for
3567 floating-point operands if -ffast-math.
3569 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
3571 * configure.in: Disable collect2 for nextstep. Instead use
3573 * configure: Rebuilt.
3574 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
3575 (ENDFILE_SPEC): Define.
3576 (OBJECT_FORMAT_MACHO): Define.
3577 (EH_FRAME_SECTION_ASM_OP): Define.
3578 * crtstuff.c: Handle MACHO.
3580 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
3582 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
3584 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
3586 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
3587 (_fpadd_parts): Get sign right for 0.
3589 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3591 * ginclude/varargs.h: Add support for C4x target.
3592 * ginclude/stdargs.h: Likewise.
3594 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
3596 * alpha.c (alpha_return_addr): SET should be VOIDmode.
3597 (alpha_emit_set_long_const): Rewrite to be callable from reload
3599 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
3600 * alpha.md (movdi): Likewise.
3602 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
3604 * arm.c (add_constant): New parameter address_only, change caller.
3605 Set it non-zero if taking the address of an item in the pool.
3606 (arm_reorg): Handle cases where we need the address of an item in
3609 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
3611 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
3612 memory addresses that are not in standard canonical form.
3614 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
3616 * README.C4X: New file with information about the c4x ports.
3617 * ginclude/va-c4x.h: New file for c4x varargs support.
3618 * config/c4x: New directory with c4x port files.
3620 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
3622 * reload.c (find_reloads): Do not replace a pseudo with
3623 (MEM (reg_equiv_addr)) in the initializing insn for the
3626 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
3628 * toplev.c (rest_of_compilation): Set bct_p on second call to
3630 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
3632 (strength_reduce): Only call analyze_loop_iterations and
3633 insert_bct if bct_p set.
3634 (check_dbra_loop): Fix typo.
3635 (insert_bct): Use word_mode instead of SImode.
3636 (instrument_loop_bct): Likewise. Do not delete iteration count
3637 condition code generation insn. Initialize iteration count before
3639 * rtl.h (loop_optimize): Update prototype.
3641 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
3642 not doubleword aligned.
3644 * rs6000.c (optimization_options): New function.
3645 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
3646 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
3647 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
3648 first; cr1 can be used for FP record condition insns.
3650 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
3652 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
3655 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
3658 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
3660 (block_move_call): New function: Call a library routine to copy a
3662 (m32r_expand_block_move): New function: Expand a "movstrsi"
3663 pattern into a sequence of insns.
3664 (m32r_output_block_move): New function: Expand a
3665 "movstrsi_internal" pattern into a sequence of assembler opcodes.
3666 (m32r_block_immediate_operand): New function: Return true if the
3667 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
3669 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3671 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
3673 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
3675 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3677 * regmove.c (copy_src_to_dest): Check that modes match.
3679 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
3681 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
3683 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
3685 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
3686 narrower than FLOAT_REGS.
3688 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3690 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
3692 * Makefile.in (old_gxx_include_dir): removed
3694 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
3696 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
3699 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
3700 (sh_handle_pragma): Change function arguments to match new
3701 specification for HANDLE_PRAGMA.
3703 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3705 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
3707 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
3708 When generating output, initialize missing struct member to zero.
3710 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3712 * regmove.c (copy_src_to_dest): Don't copy if that requires
3713 (a) new register(s).
3715 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3717 * global.c (reg_allocno): Now static.
3718 * reload1.c (reg_allocno): Delete declaration.
3719 (order_regs_for_reload): Take no arguments. Don't treat regs
3720 allocated by global differently than those allocated by local-alloc.
3722 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
3724 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
3725 condition, fix format strings.
3726 (output_function_epilogue): Likewise.
3728 * m68k/m68k.c: Don't include <stdlib.h> directly.
3730 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
3732 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
3733 mem_first_set, mem_last_set; because 0 can be a CUID.
3734 (oprs_unchanged_p): Use new definition.
3735 (record_last_reg_set_info): Likewise.
3736 (record_last_mem_set_info): Likewise.
3737 (compute_hash_table): Likewise.
3739 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
3741 * rs6000.c (output_epilogue): Handle Chill.
3743 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
3744 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
3746 * combine.c (make_extraction): If no mode is specified for
3747 an operand of insv, extv, or extzv, default it to word_mode.
3748 (simplify_comparison): Similarly.
3749 * expmed.c (store_bit_field): Similarly.
3750 (extract_bit_field): Similarly.
3751 * function.c (fixup_var_regs_1): Similarly.
3752 * recog.c (validate_replace_rtx_1): Similarly.
3753 * mips.md (extv, extzv, insv expanders): Default modes for most
3754 operands. Handle TARGET_64BIT.
3755 (movdi_uld, movdi_usd): New patterns.
3757 * pa.c (emit_move_sequence): Do not replace a pseudo with its
3758 equivalent memory location unless we have been provided a scratch
3759 register. Similarly do not call find_replacement unless a
3760 scratch register has been provided.
3762 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3764 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
3767 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
3769 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
3770 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
3771 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
3772 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
3773 * c-decl.c (init_decl_processing): Update accordingly.
3774 * expr.c (expand_builtin): Likewise.
3776 * rtl.h (global_rtl): Add cfa entry.
3777 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
3778 (LAST_VIRTUAL_REGISTER): Update.
3779 * emit-rtl.c (global_rtl): Add cfa entry.
3780 (init_emit): Initialize it.
3781 * function.c (cfa_offset): New.
3782 (instantiate_virtual_regs): Initialize it.
3783 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
3784 (expand_function_end): Call expand_eh_return.
3785 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
3787 * except.c (current_function_eh_stub_label): Kill.
3788 (current_function_eh_old_stub_label): Likwise; update all references.
3789 (expand_builtin_set_return_addr_reg): Kill.
3790 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
3791 (expand_builtin_set_eh_regs): Kill.
3792 (eh_regs): Produce a third reg for the actual handler address.
3793 (eh_return_context, eh_return_stack_adjust): New.
3794 (eh_return_handler, eh_return_stub_label): New.
3795 (init_eh_for_function): Initialize them.
3796 (expand_builtin_eh_return, expand_eh_return): New.
3797 * except.h: Update prototypes.
3798 * flow.c (find_basic_blocks_1): Update references to the stub label.
3799 * function.h (struct function): Kill stub label elements.
3801 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
3802 register number is one that would be in the previous window.
3803 Provide a dummy definition for non-windowed targets.
3804 (get_reg_addr): New function.
3805 (get_reg, put_reg, copy_reg): Use it.
3806 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
3807 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
3809 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
3810 (alpha_init_expanders): Initialize it.
3811 (alpha_expand_epilogue): Use it.
3812 * alpha.h: Declare it.
3813 * alpha.md (eh_epilogue): New.
3815 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
3816 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
3818 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
3820 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
3823 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3825 * except.h (struct eh_entry): Add false_label field.
3826 (end_catch_handler): Add prototype.
3827 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
3828 (start_catch_handler): When using old style exceptions, issue
3829 runtime typematch code before continuing with the handler.
3830 (end_catch_handler): New function, generates label after handler
3831 if needed by older style exceptions.
3832 (expand_start_all_catch): No need to check for new style exceptions.
3833 (output_exception_table_entry): Only output the first handler label
3834 for old style exceptions.
3835 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
3836 mechanism into one function, if a runtime matcher is provided.
3838 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
3840 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
3842 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
3844 * integrate.c (copy_decl_list): Fix typo.
3846 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3848 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
3851 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
3853 * version.c: Bump for snapshot.
3855 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
3857 * version.c: Bump for snapshot.
3859 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
3861 * version.c: Bump for snapshot.
3863 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3865 * invoke.texi (C Dialect Options): Put back missing @end itemize.
3867 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3869 * configure.in: remove usage of `!' to negate the result of a
3870 command; some common shells do not support it
3872 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3874 * configure.in: in sparc9-sol2 config, use 'if test' not
3876 * configure: Rebuilt.
3878 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
3880 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
3881 (CPP_CPU_DEFAULT_SPEC): Likewise.
3882 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
3883 for arch64 libfuncs.
3885 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
3888 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3890 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
3892 * collect2.c: Don't declare `sys_siglist' here.
3893 (my_strsignal): Prototype and define new function. Use it in
3894 place of `sys_siglist' hacks.
3896 * mips_tfile.c: Likewise.
3898 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
3899 (GCC_NEED_DECLARATIONS): Likewise.
3901 * system.h (strsignal): Prototype it, if necessary.
3902 (sys_siglist): Declare it, if necessary.
3904 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3906 * loop.c (move_movables): While removing insn sequences, preserve
3907 the next pointer of the most recently deleted insn when we skip
3910 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
3912 * objc/config-lang.in: Do not output the name of the selected
3913 thread file when building the front-end. The Makefile for the
3914 runtime library will do this.
3916 * objc/Make-lang.in: Do not build the runtime library or install
3917 the Objective C header files. The Makefile for the runtime
3918 library will do this.
3920 * objc/Makefile.in (all.indirect): Only build the front-end.
3921 (compiler): Rename to `frontend'.
3922 (obj-runtime): Remove target.
3923 (copy-headers): Likewise.
3924 (clean): No need to remove `libobjc.a' any longer.
3926 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
3928 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
3929 supported with -mcpu=xxx.
3931 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3933 * flow.c (mark_set_1): Recognize multi-register structure return
3934 values in CALL insns.
3935 (mark_used_regs): Likewise.
3936 (count_reg_sets_1): Likewise.
3937 (count_reg_references): Likewise.
3938 * rtlanal.c (note_stores): Likewise.
3939 (reg_overlap_mentioned_p): Likewise.
3940 * haifa-sched.c (check_live_1): Likewise.
3941 (update_live_1): Likewise.
3942 (sched_analyze_1): Likewise.
3943 (sched_note_set): Likewise.
3944 (birthing_insn_p): Likewise.
3945 (attach_deaths): Likewise.
3947 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
3950 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
3952 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
3954 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3956 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
3958 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
3960 * configure.in: Add check for GAS subsection -1 support.
3961 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
3962 * configure config.in: Rebuilt.
3963 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
3964 SImode is subsection -1 works, else use DImode.
3965 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
3966 subsection -1 works.
3967 * config/sparc/sparc.c (sparc_output_addr_vec,
3968 sparc_output_addr_diff_vec): Use them if defined.
3970 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
3972 * tree.h (DECL_ORIGIN): New macro.
3973 * integrate.c (copy_and_set_decl_abstract_origin): New function.
3974 (copy_decl_list): Use it.
3975 (integrate_parm_decls): Likewise.
3976 (integrate_decl_tree): Likewise.
3977 * dwarf2out.c (decl_ultimate_origin): Simplify.
3978 * dwarfout.c (decl_ultimate_origin): Likewise.
3979 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
3980 (pushdecl): Likewise.
3982 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
3984 * config/rs6000/rs6000.c (output_epilog): Add Java support.
3986 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
3988 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
3990 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
3992 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
3993 empty or has a single entry.
3995 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
3996 before calling reg_to_stack.
3998 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
4000 * alpha.c (alphaev5_insn_pipe): Abort on default case.
4001 (alphaev5_next_group): Swallow CLOBBERs and USEs.
4003 * c-tree.h (warn_long_long): Declare it.
4005 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
4007 * emit-rtl.c (gen_lowpart_common): Disable optimization of
4008 initialized float-int union if the value is a NaN.
4010 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
4012 * c-lex.c (real_yylex): Don't warn about long long constants if
4013 we're allowing long long
4015 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4017 * except.h (current_function_eh_stub_label): Declare.
4018 (current_function_eh_old_stub_label): Declare.
4019 * function.h (struct function): New members eh_stub_label and
4021 * except.c (current_function_eh_stub_label): New variable.
4022 (current_function_eh_old_stub_label): New variable.
4023 (init_eh_for_function): Clear them.
4024 (save_eh_status): Save them.
4025 (restore_eh_status): Restore them.
4026 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
4027 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
4028 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
4029 make an edge from the block that contains it to the block starting
4030 with the label if this label is one of the eh stub labels.
4031 If eh stub labels exist, show they are reachable from the last block
4034 * reload1.c (reload): Break out several subroutines and make some
4036 (calculate_needs_all_insns): New function, broken out of reload.
4037 (calculate_needs): Likewise.
4038 (find_reload_regs): Likewise.
4039 (find_group): Likewise.
4040 (find_tworeg_group): Likewise.
4041 (something_needs_reloads): New global variable, formerly in reload.
4042 (something_needs_elimination): Likewise.
4043 (caller_save_spill_class): Likewise.
4044 (caller_save_group_size): Likewise.
4045 (max_needs): Likewise.
4046 (group_size): Likewise.
4047 (max_groups): Likewise.
4048 (max_nongroups): Likewise.
4049 (group_mode): Likewise.
4050 (max_needs_insn): Likewise.
4051 (max_groups_insn): Likewise.
4052 (max_nongroups_insn): Likewise.
4053 (failure): Likewise.
4055 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
4057 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
4059 * loop.c (load_mems): Copy rtx for output mem.
4061 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
4063 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
4064 mips1 or mips2 either.
4066 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
4068 * pa.c (pa_reorg): New marking scheme for jumps inside switch
4070 (pa_adjust_insn_length): Update to work with new marking scheme
4071 for jumps inside switch tables.
4072 * pa.md (switch_jump): Remove pattern.
4073 (jump): Handle jumps inside jump tables.
4075 * Makefile.in (profile.o): Depend on insn-config.h
4077 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
4079 * iris6.h (DWARF2_UNWIND_INFO): Undef.
4081 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4083 Add preliminary native sparcv9 Solaris support.
4084 * configure.in: Recognize sparv9-*-solaris2*
4085 * configure: rebuilt
4086 * config.sub: Recognize sparcv9 just like sparc64.
4087 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
4088 config/sparc/sol2-cn.asm: Macroize so it can be shared between
4089 32-bit and 64-bit Solaris systems.
4090 * config/sparc/t-sol2: Assemble those with cpp.
4091 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
4092 (*TF*_LIBCALL): If ARCH64 use V9 names.
4093 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
4095 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4097 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
4098 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
4100 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
4102 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
4103 to Pmode if CASE_VECTOR_MODE is something else.
4105 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
4107 * prefix.c (update_path): Correctly handle cases where PATH is
4108 a substring of the builtin prefix, but specifies a different
4111 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
4113 * expr.c: Corrected comment about what MOVE_RATIO does.
4114 * config/alpha/alpha.h: Ditto.
4115 * config/1750a/1750a.h: Ditto.
4116 * config/clipper/clipper.h: Ditto.
4117 * config/i386/i386.h: Ditto.
4119 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
4121 * configure.in (m68k-next-nextstep3*): Use collect2.
4122 Similarly for x86 NeXT configurations.
4123 * configure: Rebuilt.
4125 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
4127 * configure.in: Don't assume srcdir is .../gcc
4128 * configure: Rebuilt.
4130 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
4132 * global.c: Update comments.
4133 (global_alloc): Assign allocation-numbers
4134 even for registers allocated by local_alloc in case
4135 they are later spilled and retry_global_alloc is called.
4136 (mark_reg_store, mark_reg_clobber,
4137 mark_reg_conflicts, mark_reg_death): Always record a
4138 conflict with a pseudo register even if it has been
4139 assigned to a hard register.
4140 (dump_conflicts): Don't list pseudo registers already assigned to
4141 a hard register as needing to be allocated, but do list their
4143 * local-alloc.c: Update comment.
4145 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
4147 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
4148 * configure: Rebuilt.
4150 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
4152 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
4154 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
4155 for all targets that set -msoft-float.
4157 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4159 * toplev.c (print_switch_values): Make static to match prototype.
4161 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
4163 * configure.in: If we are unable to find the "gnatbind" program,
4164 then do not configure the ada subdir.
4165 * configure: Rebuilt.
4167 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
4169 * version.c: Bump for snapshot.
4171 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
4173 * version.c: Bump for snapshot.
4175 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4177 * Makefile.in (toplev.o): Depend on $(EXPR_H).
4178 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
4180 * gansidecl.h: Define ATTRIBUTE_NORETURN.
4182 * genattrtab.c: Have insn-attrtab.c include toplev.h.
4184 * genextract.c: Have insn-extract.c include toplev.h.
4186 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
4188 * toplev.c: Include expr.h.
4189 (really_sorry, fancy_abort): Remove prototypes.
4190 (set_target_switch): Add argument in prototype.
4191 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
4192 (v_really_sorry): Likewise.
4193 (print_version, print_single_switch, print_switch_values): Make
4194 static and add prototype arguments.
4195 (decl_printable_name): Add prototype arguments.
4196 (lang_expand_expr_t): New typedef.
4197 (lang_expand_expr): Declare as a lang_expand_expr_t.
4198 (incomplete_decl_finalize_hook): Add prototype argument.
4199 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
4200 (botch): Likewise for variable `s'.
4201 (rest_of_type_compilation): Mark variables `type' and `toplev'
4202 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
4203 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
4204 (display_help): Make variable `i' an `unsigned long'.
4205 (main): Remove unused parameter `envp'.
4206 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
4207 Cast -1 when comparing it with a `size_t'.
4209 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
4210 prototype with ATTRIBUTE_NORETURN.
4211 (fatal_insn_not_found, fatal_insn, really_sorry,
4212 push_float_handler, pop_float_handler): Add prototypes.
4213 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
4214 (do_abort, botch): Add prototypes.
4216 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
4218 * final.c (final): If a label is reached only from a single jump,
4219 call NOTICE_UPDATE_CC on the jump and its predecessor before
4220 emitting the insn after the label.
4222 * i386.h: Add AMD K6 support.
4223 Change TARGET_* macros to use table lookup.
4224 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
4225 (ADJUST_COST): Change definition to call function in i386.c.
4226 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
4227 * i386.c: Add AMD K6 support.
4228 Add constants for feature tests used by TARGET_* macros.
4229 (split_di): If before reload, call gen_lowpart and gen_highpart.
4230 (x86_adjust_cost): New function.
4231 (put_jump_code): New function.
4232 (print_operand): New codes 'D' and 'd'.
4233 * i386.md: New insn types. New insn attribute "memory".
4234 Redefine scheduling parameters to use new types and add AMD K6
4235 support. Explicitly set type of most insns.
4236 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
4237 Pro and K6 prefer movl $1,reg to incl reg.
4238 (adddi3, subdi3): Set cc_status.
4239 (DImode shift patterns): Change label counters from HOST_WIDE_INT
4240 to int; x86 can't have more than 2^31 DImode shifts per file.
4241 (setcc): Combine all setcc patterns. Allow writing memory.
4242 Combine all jump patterns using match_operator.
4243 (*bzero): Name pattern. Emit mutliple stos instructions when that
4244 is faster than rep stos.
4245 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
4248 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
4250 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
4253 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
4255 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
4256 not whatever we're generating now.
4258 * alpha.c (set_frame_related_p, FRP): New.
4259 (alpha_expand_prologue): Mark frame related insns.
4260 (alpha_expand_epilogue): Likewise, but with a null FRP.
4261 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
4262 * alpha.md (exception_receiver): New.
4263 * alpha/crtbegin.asm (.eh_frame): New beginning.
4264 (__do_frame_setup, __do_frame_takedown): New.
4265 * alpha/crtend.asm (.eh_frame): New ending.
4266 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
4267 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
4268 (ASM_FILE_START): Don't emit .file for dwarf2.
4270 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
4271 * rtl.c (reg_note_name): Likewise.
4272 * rtl.texi (REG_NOTES): Likewise.
4273 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
4276 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
4278 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
4279 * i386.md (movsf, movdf, movxf): Validate memory address returned
4280 from force_const_mem. Kill useless REG_EQUAL setting code.
4282 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
4284 * m68k.md (zero_extendsidi2): Fix typo.
4286 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
4288 * configure.in: Removed references to the removed file
4289 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
4290 * arm*-*-netbsd* and ns32k-*-netbsd*.
4291 * config/i386/xm-netbsd.h: Removed unnecessary file.
4292 * config/m68k/xm-netbsd.h: Likewise.
4293 * config/sparc/xm-netbsd.h: Likewise.
4294 * config/mips/xm-netbsd.h: Likewise.
4296 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
4298 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
4299 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
4301 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
4302 for exact section attributions.
4304 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
4306 * i386/crtdll.h (CPP_PREDEFINES): Define.
4308 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
4310 * m68k.md (5200 movqi): Do not allow byte sized memory references
4312 * m68k.c (output_move_qimode): Do not use byte sized operations on
4315 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
4316 explicit rules for building. Similarly for alloca, vfprintf,
4317 choose-temp and mkstemp, getopt, getopt1, and obstack.
4318 (INCLUDES): Add $(srcdir)/../include.
4319 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
4320 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
4322 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
4324 * gcc.c (do_spec_1): [case 'o'] Account for
4325 lang_specific_extra_outfiles.
4326 (main): Correctly clear all slots in outfiles for
4327 lang_specific_extra_outfiles. Set input_file_number before
4328 calling lang_specific_pre_link.
4330 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
4332 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
4334 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4336 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
4338 (sparc_output_deferred_case_vectors): If no work to do, return.
4339 Fix thinko in Sept 1 change.
4341 1998-09-03 SL Baur <steve@altair.xemacs.org>
4343 * Makefile.in: add semicolon in BISON definition for portability.
4345 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
4347 * config/nextstep.c (handle_pragma): Correct name of third
4350 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
4352 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
4353 * config/m32r/m32r.h: Make register 17 be fixed.
4354 * config/m32r/m32r.c: Use SImode for cc operations.
4356 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
4358 * invoke.texi (Warning Options): Add -Wnon-template-friend
4361 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
4363 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
4365 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
4367 * rs6000.md (movsf): Disable explicit secondary-reload-like
4368 functionality if TARGET_POWERPC64.
4369 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
4372 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
4374 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
4375 and term.h from fixinc.wrap.
4377 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4379 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
4380 safe to include both string.h and strings.h together.
4381 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
4382 which headers to search for function declarations. Continue to
4383 prefer string.h over strings.h when both are not acceptable.
4385 * acconfig.h (STRING_WITH_STRINGS): Add stub.
4387 * configure.in: Call GCC_HEADER_STRING.
4389 * system.h: Test STRING_WITH_STRINGS when deciding which headers
4390 to include. Continue to prefer string.h over strings.h when both
4393 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4395 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
4396 not assume top 32-bits of symbolic addresses are zero if
4399 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
4401 * ginclude/va-alpha.h: Protect entire second portion of the
4402 file against double inclusion.
4404 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
4406 Added support for the Boehm's garbage collector.
4407 * configure.in: Handle --enable-objc-gc.
4408 * configure: Rebuilt.
4409 * Makefile.in (CHECK_TARGETS): Add check-objc.
4410 (check-objc): New rule.
4411 * objc/Make-lang.in: Build a different Objective-C library that
4412 runs with the Boehm's collector.
4413 * objc/encoding.c (objc_round_acc_size_for_types): New function.
4414 * objc/encoding.c: Correctly compute the size of compound types in
4415 the presence of bitfields. Skip the variable name of the type if
4416 any. Added support for long long.
4417 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
4418 (_F_GCINVISIBLE): New mask.
4419 * objc/gc.c: New file. Compute the type memory mask associated with
4420 a class based on the runtime information.
4421 * objc/misc.c: Added the hooks that use the Boehm's collector
4422 allocation functions.
4423 * objc/objc-act.c (build_class_template): Generate a new class
4424 member (gc_object_type) to hold the class' type memory mask.
4425 (build_shared_structure_initializer): Initialize the new member to
4427 (encode_complete_bitfield): New function. Generate the new
4429 (encode_field_decl): Generate the new encoding only for the GNU
4431 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
4433 (class_get_gc_object_type): New function to mark a pointer instance
4434 variable as a weak pointer.
4435 * objc/objc-features.texi: New file.
4436 * objc/objc.h (gc_object_type): New class member.
4437 * objc/objects.c (class_create_instance): Create a typed memory
4438 object when compiled with Boehm's collector support.
4439 * objc/sendmsg.c (__objc_init_install_dtable): Call
4440 __objc_send_initialize instead of setting the initialize flag.
4441 (__objc_send_initialize): Call __objc_generate_gc_type_description
4442 to generate the class type memory mask. Rewrite the code that
4443 sends the +initialize so that it is called only once (bug report
4444 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
4445 * testsuite/objc: New testsuite for Objective-C type encoding.
4446 * testsuite/lib/objc-torture.exp: New file.
4447 * testsuite/lib/objc.exp: New file.
4449 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
4451 * jump.c (jump_optimize): In if/then/else transformations, add
4452 another call to modified_between_p for the jump insn.
4454 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
4456 * fix-header.c (symlink): Treat like readlink.
4458 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4460 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
4463 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
4465 * config/nextstep.h: Update HANDLE_PRAGMA macro.
4466 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
4467 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
4469 * config/nextstep.c (handle_pragma): Take three arguments, as per
4470 the new HANDLE_PRAGMA macro specification.
4471 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
4472 per the new HANDLE_PRAGMA macro specification.
4473 * config/i960/i960.c (process_pragma): Take three arguments, as
4474 per the new HANDLE_PRAGMA macro specification.
4476 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
4478 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
4479 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
4480 if unknown pragmas are encountered.
4481 (handle_sysv_pragma): Interpret return code from
4482 handle_pragma_token (). Return success/failure indication rather
4483 than next unprocessed character.
4484 (pragma_getc): New function: retrieves characters from the
4485 input stream. Defined when HANDLE_PRAGMA is enabled.
4486 (pragma_ungetc): New function: replaces characters back into the
4487 input stream. Defined when HANDLE_PRAGMA is enabled.
4489 * c-pragma.c (handle_pragma_token): Return success/failure status
4492 * c-pragma.h: Change prototype of handle_pragma_token().
4494 * varasm.c: (handle_pragma_weak): Only create this function if
4495 HANDLE_PRAGMA_WEAK is defined.
4497 * c-common,c (decl_attributes): If defined call the expression
4498 contained within the INSERT_ATTRIBUTES macro before adding
4499 attributes to a decl.
4501 * tm.texi (HANDLE_PRAGMA): Document the new verion of
4502 HANDLE_PRAGMA, which takes three arguments.
4503 (INSERT_ATTRIBUTES): Document this new macro.
4505 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
4506 new INSERT_ATTRIBUTES macro.
4508 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4510 * config/sparc/sparc.md (movdf): Only generate special RTL for
4511 LABEL_REFs when PIC.
4512 (move_label_di): Remove
4513 (movdi_pic_label_ref, movdi_high_pic_label_ref,
4514 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
4515 references when PIC.
4516 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
4517 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
4518 output an .xword for all 64-bit cases.
4520 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4522 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
4523 alignment, use FUNCTION_BOUNDARY instead.
4524 (sparc_output_deferred_case_vectors): Likewise.
4526 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4528 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
4529 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
4531 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
4533 * alpha/va_list.h: New file.
4534 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
4536 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
4538 * NEWS: Add SCO Openserver and Unixware 7 notes.
4542 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
4544 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
4545 (record_constant_1): Handle RANGE_EXPR.
4547 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
4549 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
4550 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
4551 and NOTE_INSN_RANGE_END specially.
4552 (reemit_notes): Likewise.
4554 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4556 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
4557 (ultrasparc_sched_init): Remove unneeded &.
4559 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4561 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
4562 for m68020-60, to prevent the use of fintrz.
4564 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
4566 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
4568 * Makefile.in: Likewise.
4569 * configure: Regenerated.
4571 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
4573 * configure.in (gxx_include_dir): Changed to
4574 '${prefix}/include/g++'-${libstdcxx_interface}.
4575 * configure: Rebuilt.
4577 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
4579 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
4581 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
4582 *sequences* *below* which scalar moves will be used.
4584 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
4586 * collect2.c (mktemp): Delete unused declaration.
4588 * config/xm-netbsd.h: Remove unnecessary file.
4589 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
4590 file anymore, it is not needed.
4592 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
4594 * convert.c (convert_to_integer): Issue an error on conversions to
4597 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
4599 * Makefile.in: Add lang_tree_files and gencheck.h.
4600 * configure.in: Generate them.
4601 * gencheck.c: Include gencheck.h.
4603 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4605 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
4606 movdi_lo_sum_pic and movdi_high_pic and make visible.
4607 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
4608 emit these when Pmode is not SImode.
4609 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
4611 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
4613 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
4614 .linkonce directive after the first time.
4616 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
4618 * m68k.md (beq0_di): Generate correct (and more efficient) code when
4619 the clobbered operand overlaps with an input.
4620 (bne0_di): Similarly.
4622 * Makefile.in (INSTALL): Remove "--no-header" argument.
4624 * NEWS: Various updates.
4626 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4628 * config/sparc/sparc.c (arith_operand, const64_operand,
4629 const64_high_operand, arith_double_4096_operand): Mark mode as
4631 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
4633 (sparc_emit_set_const64): Remove unused variable i.
4634 (sparc_splitdi_legitimate): Likewise for addr_part.
4635 (ultra_code_from_mask): Likewise for mask.
4636 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
4637 reverse return values so it matches usage and comments.
4638 (ultra_flush_pipeline): Likewise.
4639 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
4640 this_type, and allow loads and stores of differing FP modes as
4641 they do not create a conflict.
4642 (ultra_find_type): Initialize fpmode to SFmode, fix
4643 parenthesization thinkos in large conditional.
4644 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
4645 Init free_slot_mask after ultra_cur_hist is reset, not before.
4646 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
4647 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
4648 use ultra_flush_pipeline instead, then re-init group pointer.
4649 Fix statement with no effect. If no progress made in, and no
4650 instructions scheduled at all, advance to new pipeline cycle else
4651 we get into an endless loop.
4652 (ultrasparc_adjust_cost): Remove previous arg.
4653 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
4655 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
4657 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
4658 code. Use reg_overlap_mentioned_p to detect when source and
4659 destination overlap.
4660 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
4662 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
4664 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
4665 COMPARISON_VAL, into invariant_p.
4667 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4669 * regmove.c (regclass_compatible_p): New function.
4670 (regmove_optimize): Use it.
4672 Use NREGS parameter insted of calling max_reg_num.
4674 (fixup_match_1): Don't use code = MINUS when later tieing with
4675 a hard register is likely.
4677 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4679 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
4680 COMPARISON_VAL was normalized.
4682 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
4684 * loop.c (check_dbra_loop): The loop ending comparison value
4685 must be an invariant or we can not reverse the loop.
4687 * loop.c (scan_loop): Count down from max_reg_num - 1 to
4688 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
4690 (load_mems_and_recount_loop_regs_set): Likewise.
4692 * i386.c (print_operand): Remove obsolete 'c' docs.
4694 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
4696 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
4697 * frame.c (init_object_mutex): New function.
4698 (init_object_mutex_once): Likewise.
4699 (find_fde): Call it.
4700 (__register_frame_info): Likewise.
4701 (__register_frame_info_table): Likewise.
4702 (__deregister_frame_info): Likewise.
4704 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
4706 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
4708 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4710 * loop.c (check_dbra_loop): Enable code for reversal
4711 of some loops without a known constant loop end.
4713 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
4715 * haifa-sched.c (last_clock_var): New.
4716 (schedule_block): Initialize it.
4717 (schedule_insn): Use it to fill insn modes with issue information.
4719 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
4720 Tag trapb and next insn with TImode.
4721 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
4722 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
4723 Invoke alphaev5_align_insns as appropriate.
4724 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
4725 (MD_SCHED_VARIABLE_ISSUE): New.
4726 * alpha.md (attr type): Add multi.
4727 (define_asm_attributes): New.
4728 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
4729 (arg_home): Likewise.
4730 (fnop, unop, realign): New.
4732 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
4734 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
4735 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
4737 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
4738 (rs6000-ibm-aix4.[12]*): Likewise.
4739 * configure: Regnerate.
4741 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
4743 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
4744 already contains the return address.
4746 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
4748 * calls.c (expand_call): Use bitfield instructions to extract/deposit
4749 word sized hunks when loading unaligned args into registers.
4751 * haifa-sched.c (sched_analyze_insn): Only create scheduling
4752 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
4754 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
4756 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4758 * loop.c (check_dbra_loop): Add some code that would allow reversal
4759 of some loops without a known constant loop end if it were enabled.
4761 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
4763 * mips.md (lshrsi3_internal2+2): Fix type-o.
4765 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4767 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
4768 correctly with regards to stdio.h.
4770 * calls.c: Remove stdarg.h/varargs.h.
4773 * combine.c: Likewise.
4774 * cpperror.c: Likewise.
4775 * cpplib.c: Likewise.
4776 * cpplib.h: Likewise.
4777 * doprint.c: Likewise.
4778 * emit-rtl.c: Likewise.
4779 * final.c: Likewise.
4780 * fix-header.c: Likewise.
4782 * genattr.c: Likewise.
4783 * genattrtab.c: Likewise.
4784 * gencodes.c: Likewise.
4785 * genconfig.c: Likewise.
4786 * genemit.c: Likewise.
4787 * genextract.c: Likewise.
4788 * genflags.c: Likewise.
4789 * genopinit.c: Likewise.
4790 * genoutput.c: Likewise.
4791 * genpeep.c: Likewise.
4792 * genrecog.c: Likewise.
4793 * mips-tfile.c: Likewise.
4794 * prefix.c: Likewise.
4795 * protoize.c: Likewise.
4796 * regmove.c: Likewise.
4797 * toplev.c: Likewise.
4800 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4802 * config/sparc/sparc.c (sparc_override_options): If not
4803 TARGET_FPU, turn off TARGET_VIS.
4804 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
4805 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
4806 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
4807 (movdi_insn_sp64): Add VIS fzero alternative.
4808 (clear_sf, clear_df): New VIS patterns.
4809 (movsf, movdf expanders): Allow fp_zero_operand flat out when
4811 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
4813 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
4815 * loop.c (n_times_set, n_times_used, may_not_optimize,
4816 reg_single_usage): Convert to varrays. All uses changed.
4817 (insert_loop_mem): Return a value.
4818 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
4819 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
4822 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
4825 * configure.in: Do not set thread_file to "irix" since no such
4828 * sparc.md (float abs/neg splits): Check reload_completed before
4829 calling alter_subreg.
4831 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4833 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
4835 * config/sparc/sparc.h: Declare it.
4836 * config/sparc/sparc.md (float abs/neg splits): Use it.
4837 (all other splits): Handle SUBREGs properly where necessary.
4838 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
4840 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
4842 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
4843 an insn on the unfilled_slots_list that has no delay slots.
4844 (fill_eager_delay_slots): Similarly.
4846 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
4848 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
4849 as an ordinary operand.
4851 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
4853 * tree.c (valid_machine_attribute): Don't apply attributes to both
4856 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
4858 * reload.c (operands_match_p): Handle rtvecs.
4860 * i386.c (legitimate_pic_address_disp_p): New.
4861 (legitimate_address_p): Use it.
4862 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
4863 Handle constant pool symbols just like statics.
4864 (emit_pic_move): Use Pmode not SImode for clarity.
4865 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
4866 [UNSPEC]: New, handling what we killed above.
4867 [PLUS]: Detect and abort on invalid symbol arithmetic.
4868 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
4870 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
4872 * alias.c: Include output.h.
4873 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
4874 different if we're in a varargs function.
4875 * Makefile.in (alias.o): Depend on output.h
4877 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4879 * sh.h (GIV_SORT_CRITERION): Delete.
4881 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
4883 * regclass.c (regclass): Use xmalloc/free instead of alloca.
4884 * stupid.c (stupid_life_analysis): Ditto.
4885 * reload1.c (reload): Ditto.
4887 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
4889 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
4890 arith_double_4096_operand, arith_double_add_operand): New
4892 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
4893 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
4894 them to transform add/sub 4096 into add/sub -4096.
4896 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4898 * loop.c (scan_loop): Allocate some slop to handle pseudos
4899 generated by move_movables.
4900 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
4903 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
4905 * tree.def (DECL_RESULT): Correct documentation.
4907 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4909 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
4910 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
4911 conflicts will all RELOAD_FOR_OUTPUT reloads.
4913 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
4914 loads the function result, substitute with a USE.
4916 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
4918 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
4919 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
4920 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
4921 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
4922 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
4923 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
4925 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
4926 'o' to 'm' for GPR variant constraints.
4928 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
4930 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
4932 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
4934 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
4935 when the source and destination overlap.
4937 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
4938 clash with global type.
4940 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
4942 * fixinc.irix: Add curses.h handling from fixinc.wrap.
4944 * c-common.c (combine_strings): Also set TREE_READONLY.
4945 Change warn_write_strings to flag_const_strings.
4946 * c-decl.c, c-tree.h: Likewise.
4948 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4950 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
4951 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
4952 sequence, use SET/IOR instead so CSE can see it.
4953 * config/sparc/sparc.md (movhi_const64_special,
4954 movsi_const64_special): New patterns necessitated by that change.
4955 (movhi_high): Remove.
4956 (movhi_lo_sum): Change to match an IOR.
4957 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
4958 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
4959 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
4960 (movdf splits): Allow when not V9 or when not ARCH64 and integer
4961 registers are involved.
4962 (snesi_zero_extend split): Remove reload_completed test.
4963 (unnamed plus and minus zero_extend sidi splits): Add it.
4965 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
4967 * extend.texi: Remove description of extension to explicit
4968 instantiation that is now endorsed by standard C++.
4970 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4972 * config/arc/arc.c (arc_initialize_pic): Remove.
4973 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
4974 nothing on any platform and is invoked by no-one, it does not even
4975 appear in the documentation.
4976 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
4977 * config/sparc/sparc.c (initialize_pic): Likewise.
4978 (find_addr_reg): Remove this as well, no longer referenced after
4981 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
4983 * recog.c (validate_replace_rtx_group): New function.
4984 * recog.h (validate_replace_rtx_group): Declare it.
4985 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
4986 the entire group of substitutions.
4988 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
4990 * loop.c (load_mems): Fix initializers.
4992 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
4994 * config/sparc/sparc.md (TFmode splits): Handle destination
4995 registers being referenced in the address correctly.
4997 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
4998 TREE_UNSIGNED, when bitsize of type's mode is larger than
4999 HOST_BITS_PER_WIDE_INT.
5001 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5003 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
5004 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
5005 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
5007 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
5010 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
5012 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
5013 * h8300.h (TINY_DATA_NAME_P): Likewise.
5014 (STRIP_NAME_ENCODING): Handle '&'.
5016 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
5017 register (it could be accessed via an outer SUBREG).
5018 (REG_OK_FOR_BASE_P): Likewwise.
5019 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
5021 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
5024 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
5026 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5028 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
5029 must be offsettable so the splits can be made.
5031 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
5033 * config/i386/winnt.c: Include system.h, not stdio.h to get
5034 sys/param.h pulled in before rtl.h in case the system defines MIN
5037 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
5039 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
5041 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
5043 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
5045 * cpplib.c (cpp_define): Handle macros with parameters.
5047 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
5049 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
5050 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
5051 and DImode 64-bit. Use llong for minimal-toc SFmode and
5052 SYMBOL_REF / LABEL_REF 64-bit.
5053 (output_function_profiler): Use llong for profiler label and ld to
5054 load 64-bit label address.
5056 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
5058 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
5061 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
5063 * version.c: Bump for snapshot.
5065 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
5067 * version.c: Bump for snapshot.
5069 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
5071 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
5073 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
5075 * tm.texi (Misc): Fix typo "teh".
5077 * tm.texi (PIC): Fix typo "PPIC".
5079 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
5080 effect when -O2 and higher.
5081 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
5083 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
5085 * regclass.c: Changed register set documentation to be consistent
5088 * final.c (final_start_function) Removed redundant test for
5091 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
5093 * rtl.h (rtx_function): New type.
5094 (for_each_rtx): New function.
5095 * rtlanal.c (for_each_rtx): Define it.
5097 * recog.c (change_t): New type.
5098 (change_objects, change_old_codes, change_locs, change_olds):
5100 (changes): New variable.
5101 (validate_change): Dynamically allocate room for more changes, if
5102 necessary. Uses changes array instead of change_objects, etc.
5103 (apply_change_group): Use changes array instead of
5104 change_objects, etc.
5106 * loop.c (loop_mem_info): New type.
5107 (loop_mems): New variable.
5108 (loop_mems_idx): Likewise.
5109 (looop_mems_allocated): Likewise.
5110 (scan_loop): Remove nregs parameter.
5111 (next_insn_in_loop): New function.
5112 (load_mems_and_recount_loop_regs_set): Likewise.
5113 (load_mems): Likewise.
5114 (insert_loop_mem): Likewise.
5115 (replace_loop_mem): Likewise.
5116 (replace_label): Likewise.
5117 (INSN_IN_RANGE_P): New macro.
5118 (loop_optimize): Don't pass max_reg_num() to scan_loop.
5119 (scan_loop): Remove nregs parameter, compute it after any new
5120 registers are created by load_mems. Use INSN_IN_RANGE_P and
5121 next_insn_in_loop rather than expanding them inline. Call
5122 load_mems to load memory into pseudos, if appropriate.
5123 (prescan_loop): Figure out whether or not there are jumps from the
5124 loop to targets other than the label immediately following the
5125 loop. Call insert_loop_mem to notice all the MEMs used in the
5126 loop, if it could be safe to pull MEMs into REGs for the duration
5128 (strength_reduce): Use next_insn_in_loop. Tweak comments.
5130 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
5132 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
5134 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5136 * config/sparc/sparc.c (finalize_pic): Check for the correct
5137 nonlocal_goto_receiver UNSPEC number.
5138 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
5139 making note of this dependency existing in sparc.c
5140 (negtf2_notv9 split): Give NEG SFmode.
5141 (negsf2): Fix insn output string.
5143 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
5145 * c-common.c (decl_attributes): Issue an error if the argument
5146 to alias is not a string.
5148 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
5150 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
5151 pending memory flush list.
5153 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
5155 (try_combine): Allow combining insns with REG_LIBCALL notes.
5157 * expr.c (emit_block_move): Do not call memcpy as a libcall
5158 instead build up a CALL_EXPR and call it like any other
5160 (clear_storage): Similarly for memset.
5162 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
5165 * Makefile.in (cplus-dem.o): Provide explicit rules for building
5168 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
5169 and REG_LIVE_LENGTH as successful substitutions are made.
5171 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5173 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
5174 statement after end of loop label.
5176 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5178 * config/sparc/sparc.c (ultra_types_avail): New variable.
5179 (ultra_build_types_avail): New function to record mask of insn
5180 types in ready list at this cycle.
5181 (ultrasparc_sched_reorder): Call it.
5182 (ultra_find_type): Use it to quicken the search. Also simplif
5183 dependency check, don't use rtx_equal_p because we know exactly
5184 what we are looking for.
5186 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
5188 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
5189 for architecture v4.
5191 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5193 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
5195 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
5196 movdf_const_intreg and helper splits): New patterns to move float
5197 constants into integer registers.
5198 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
5201 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
5204 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
5206 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
5208 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
5209 a BASE_REGS register is needed as an intermediate when copying
5210 a symbolic value into any register class other than BASE_REGS.
5212 * expr.c (move_by_pieces): No longer static. Remove prototype.
5213 * rtl.h (move_by_pieces): Add extern prototype.
5214 * mips.c (expand_block_move): Handle aligned straight line copy by
5215 calling move_by_pieces.
5217 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
5220 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
5222 * stmt.c (expand_end_loop): Tidy. Allow unconditional
5223 jumps out of the loop to be treated as part of the exit test.
5225 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5226 Jeff Law <law@cygnus.com>
5228 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
5229 * cplus-dem.c: Delete.
5231 * Makefile.in (fold-const.o): depend on $(RTL_H).
5233 * fold-const.c: Include rtl.h to get the prototype for
5234 `set_identifier_local_value'.
5236 * loop.c (express_from_1): Remove unused variable `tmp'.
5237 (combine_givs): cast the first argument of bzero to char *.
5239 * toplev.c (display_help): Remove unused variable `looking_for_start'.
5241 * c-decl.c (init_decl_processing): Remove unneeded &.
5243 * alpha.h (alpha_initialize_trampoline): Provide prototype.
5245 * except.c (set_exception_lang_code, set_exception_version_code):
5246 Change parameter from `short' to `int' to avoid using a gcc
5249 * except.h (set_exception_lang_code, set_exception_version_code):
5250 Likewise for prototypes.
5252 * flow.c (count_reg_references): Remove unused variables `regno'
5255 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
5257 * prefix.c (translate_name): Cast the result of `alloca'.
5259 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
5261 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5263 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
5265 (valid_dbcc_comparison_p): Mark mode argument as unused.
5266 (symbolic_operand): Likewise.
5267 (legitimize_pic_address): Likewise.
5268 (const_uint32_operand): Likewise.
5269 (const_sint32_operand): Likewise.
5270 * sched.c [!INSN_SCHEDULING]: Define only dummy function
5271 schedule_insns and comment out rest of file.
5273 * m68k.c (output_move_simode_const): Use subl to move a zero into an
5275 (output_move_[hq]imode): Likewise.
5277 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
5279 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
5280 * invoke.texi: Corresponding changes.
5282 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
5284 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
5286 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5288 * config/sparc/sparc.c (ultra_code_from_mask,
5289 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
5290 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
5291 ultrasparc_sched_init, ultrasparc_variable_issue,
5292 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
5293 functions to describe UltraSPARC pipeline exactly to Haifa.
5294 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
5295 as there is nothing the scheduler can do about it. Indicate that
5296 REG_DEP_OUTPUT's collide. Fixup formatting.
5297 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
5298 divide costs on Ultra for DImode.
5299 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
5301 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
5302 ieuN and add call_no_delay_slot to type list.
5303 (cti function unit): New unit for branches on UltraSPARC.
5304 (subx/addx insns): Set type to misc.
5305 (sidi zero/sign extension insns on arch64): Set type to shift.
5306 (sign_extendhidi2_insn): Set type to sload.
5308 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
5310 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
5311 (output_epilog): Use if != 0 for offset.
5312 (rs6000_fatal_bad_address): Prepare for Intl.
5313 * rs6000.h (rs6000_fatal_bad_address): Declare.
5314 * rs6000.md (movsfcc, movdfcc): Use else if.
5315 (elf_high): Use {liu|lis}.
5316 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
5317 (movsi): Use rs6000_fatal_bad_address.
5319 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
5321 * reload.c (find_equiv_reg): Reject equivalences separated
5322 by a volatile instruction.
5324 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5326 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
5328 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
5330 * alpha.md (movsicc): Fix mode mismatch.
5332 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
5334 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
5336 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
5338 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5340 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
5341 write-only modifier from operand 1 constraint.
5343 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5345 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
5346 emitting a XOR of -1 at the end, emit a NOT instead for combine's
5348 (sparc_emit_set_const64): Likewise, also when computing trailing
5349 bits do not negate low_bits and make fast_int an int.
5351 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
5353 * loop.c (add_label_notes): Do not ignore references to labels
5354 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
5355 * gcse.c (add_label_notes): Similarly.
5357 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
5359 * m68k.md (adddi_dilshr32): One of the operands must be a register.
5360 (adddi_dishl32): Similarly.
5362 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
5364 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
5365 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
5366 * cse.c (cse_basic_block): Add parens to shut up warnings.
5368 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5370 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
5371 sparc_emit_set_const64_longway, const64_is_2insns,
5372 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
5373 in 64-bit constant formation.
5374 * config/sparc/sparc.md (snesi_zero_extend split): Generate
5375 rtl for addx not subx.
5376 (define_insn movdi_const64_special): Make available even when
5377 HOST_BITS_PER_WIDE_INT is not 64.
5378 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
5379 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
5380 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
5381 instances of operand 1 inside a QI subreg.
5382 (xordi3_sp64_dbl): Remove '%' constraint for op1.
5383 (one_cmpldi2_sp64): Fix output string.
5384 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
5386 (unnamed arch64 ashift DI): Truncate shift count if greater than
5389 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5391 * expr.c (store_expr): Don't optimize away load-store pair
5392 when either source or destination have a side effect.
5394 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
5396 * genrecog.c (add_to_sequence): Fatal error if the modes of the
5397 operands of SET are incompatible.
5399 * alpha.md: Fix max and min patterns so modes of SET operands match.
5401 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
5403 * configure.in: Avoid [[ by using test and changequote.
5404 * configure: Rebuild.
5406 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5408 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
5410 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
5411 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
5412 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
5413 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
5414 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
5415 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
5416 Fix mismatching modes in SET operands.
5417 (conditional move patterns): Fix formatting.
5418 (unnamed subx arch64 pattern): Remove duplicate insn.
5420 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5422 * config/sparc/sparc.c (const64_operand, const64_high_operand):
5423 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
5424 (input_operand): Fixup test for what we accept for constant
5426 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
5428 (safe_constDI): Remove.
5429 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
5430 gen_safe_XOR64): New functions.
5431 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
5432 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
5434 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
5435 available when HOST_BITS_PER_WIDE_INT is not 64.
5436 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
5437 move before movdi_insn_sp64 pattern.
5438 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
5439 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
5440 symbolic_operand as predicate for second operand.
5441 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
5442 expander): Give set VOIDmode.
5444 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
5446 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
5448 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
5450 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
5452 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
5454 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
5456 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
5458 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
5460 * install.texi: Various SCO OpenServer tweaks.
5462 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
5464 * reload1.c (eliminate_regs_in_insn): Handle another case when
5465 eliminating the frame pointer to the hard frame pointer. Add
5466 missing ep->to_rtx check to one existing case.
5468 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
5470 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
5472 * tree.h: De-conditionalize init_priority code.
5474 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
5475 * collect2.c (NM_FLAGS): Change from -p to -n.
5477 * configure.in: Turn on collect2 for mipstx39-elf.
5478 Handle use_collect2=no properly.
5480 * c-common.c: De-conditionalize init_priority code.
5481 * collect2.c (extract_init_priority, sort_ids): New fns.
5482 (main): Call sort_ids.
5483 Move sequence_number to file scope.
5485 * configure.in: Handle --enable-init-priority.
5486 * c-common.c (attrs): Add A_INIT_PRIORITY.
5487 (init_attributes, decl_attributes): Likewise.
5488 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
5489 * tree.c (get_file_function_name_long): Split out...
5490 (get_file_function_name): ...from here.
5492 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
5494 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
5497 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
5499 * toplev.c (display_help): Add braces to shut up warnings.
5500 * tree.c (simple_cst_equal): Likewise.
5502 * fold-const.c (non_lvalue): Don't deal with null pointer
5504 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
5506 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
5507 of any size to a pointer.
5509 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
5511 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
5513 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
5515 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
5516 which will be saved.
5517 * mn10300.md (prologue insn): Only save registers which need saving.
5518 (epilogue insn): Similarly.
5520 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
5523 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
5525 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
5526 VAR_DECL's in gp addressable sections.
5528 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
5530 * sparc.c: Change return <exp> to <exp>; return; in functions
5532 * sparc.md: Add empty semicolon statement after final label in
5535 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5537 * config/sparc/sparc.md (define_insn addx_extend): Rename to
5538 addx_extend_sp64, only allow when TARGET_ARCH64.
5539 (define_insn addx_extend_sp32 and split): Version that works when
5541 (define_insn subx_extend): Likewise.
5542 (define_split adddi3 and subdi3 with zero extension): Fixup and
5543 correct bugs when not TARGET_ARCH64.
5545 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
5547 * except.c (set_exception_lang_code, set_exception_version_code):
5548 Use prototype-style definition if __STDC__, to match declaration
5551 * genemit.c: Change FAIL and DONE macros not to use loops.
5553 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
5555 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
5556 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
5558 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
5560 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
5562 * README.g77: Update from Craig.
5564 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5566 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
5568 (safe_constDI sparc_emit_set_const64_quick1,
5569 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
5570 analyze_64bit_constant, const64_is_2insns,
5571 create_simple_focus_bits): Fix some bugs when compiled on real
5573 (function_arg_record_value_3, function_arg_record_value_2,
5574 function_arg_record_value): Add fully prototyped forward decls.
5575 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
5576 to cmpsi_insn and use on both 64 and 32 bit targets.
5577 (define_insn cmpsi_insn_sp64): Remove.
5578 (define_expand zero_extendsidi2): Allow for 32-bit target too.
5579 (define_insn zero_extendsidi2_insn): Rename to
5580 zero_extendsidi2_insn_sp64.
5581 (define_insn zero_extendsidi2_insn_sp32): New pattern and
5582 assosciated forced split for it.
5584 * config/sparc/sparc.c (const64_operand, const64_high_operand):
5586 * config/sparc/sparc.h: Declare them.
5587 (PREDICATE_CODES): Add them.
5588 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
5589 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
5591 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
5593 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
5594 in v9 case as the latter makes the Solaris assembler crash.
5596 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5598 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
5599 for TFmode when !v9. We require offsettable memory addresses.
5600 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
5601 DFmode register number conversions.
5602 * config/sparc/sparc.md (define_split DFmode moves): If register
5603 is a SUBREG do alter_subreg on it before using.
5604 (define_expand movtf): Fixup comment about alignment on v9.
5605 (define_split TFmode moves): Don't use gen_{high,low}part, create
5606 explicit SUBREGs instead.
5608 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
5610 * Makefile.in (mbchar.o): Depend on mbchar.c.
5612 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5613 Richard Henderson <rth@cygnus.com>
5615 Rewrite Sparc backend for better code generation and
5616 improved sparc64 support.
5617 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
5619 * config/sparc/sysv4.h: Likewise.
5620 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
5621 move_operand, v8plus_regcmp_op, emit_move_sequence,
5622 singlemove_string, doublemove_string, mem_aligned_8,
5623 output_move_double, output_move_quad, output_fp_move_double,
5624 move_quad_direction, output_fp_move_quad, output_scc_insn):
5626 (small_int_or_double): New predicate.
5627 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
5628 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
5629 old pic_{sethi,lo_sum}_si patterns.
5630 (mem_min_alignment): New generic function to replace
5631 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
5632 available and can test for arbitrary alignments. All callers
5634 (save_regs, restore_regs, build_big_number,
5635 output_function_prologue, output_cbranch, output_return,
5636 sparc_flat_save_restore, sparc_flat_output_function_prologue,
5637 sparc_flat_output_function_epilogue): Prettify
5639 (output_function_epilogue): Likewise and add code to output
5640 deferred case vectors.
5641 (output_v9branch): Likewise, add new arg INSN and use it to tack
5642 on branch prediction settings. All callers changed.
5643 (print_operand): Likewise and output %l44 for LO_SUMs when
5645 (sparc_splitdi_legitimate): New function to make sure DImode
5646 splits can be run properly when !arch64.
5647 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
5648 Reformat example code in comments.
5649 (set_extends): Remove UNSPEC/v8plus_clear_high case.
5650 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
5651 of deferred case vectors we need to output.
5652 (sparc_defer_case_vector): Record a case vector.
5653 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
5654 sparc_output_deferred_case_vectors): New functions to output them.
5655 (sparc_emit_set_const32): New function to form 32-bit constants in
5656 registers when that requires more than one instruction.
5657 (safe_constDI, sparc_emit_set_const64_quick1,
5658 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
5659 analyze_64bit_constant, const64_is_2insns,
5660 create_simple_focus_bits, sparc_emit_set_const64): New functions
5661 which do the same for 64-bit constants when arch64.
5662 (sparc_emit_set_symbolic_const64): New function to emit address
5663 loading for all code models on v9.
5664 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
5665 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
5666 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
5667 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
5668 inaccuracies in comments, add symbolic and text_segment operands
5669 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
5670 GENERAL_REGS in these cases as a temp REG is needed to load these
5671 addresses into a register properly.
5672 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
5674 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
5675 quads are guarenteed to have 16-byte alignment.
5676 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
5677 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
5678 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
5679 deferred case vector implementation.
5680 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
5681 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
5682 Generate "internal label - label" instead of "label - 1b".
5683 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
5684 (PREDICATE_CODES): Remove sparc_operand, move_operand,
5685 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
5687 (doublemove_string, output_block_move, output_fp_move_double,
5688 output_fp_move_quad, output_move_double, output_move_quad,
5689 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
5690 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
5691 (sparc_emit_set_const32, sparc_emit_set_const64,
5692 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
5693 mem_min_alignment, small_int_or_double): Add externs.
5694 * config/sparc/sparc.md: Document the many uses of UNSPEC and
5695 UNSPEC_VOLATILE in this backend.
5696 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
5697 unary to types which execute in it.
5698 (define_function_unit ieu_shift): Rename to ieu0.
5699 (define_function_unit ieu1): New, executes compare, call, and
5700 uncond_branch type insns.
5701 (define_function_units for type fdivs, fdivd, fsqrt): These
5702 execute in the fpu multiply unit not the adder on UltraSparc.
5703 (define_expand cmpdi): Disallow TARGET_V8PLUS.
5704 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
5705 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
5706 allows the arith_double_operand predicate and rHI constraint when
5708 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
5709 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
5710 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
5711 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
5712 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
5713 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
5714 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
5715 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
5716 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
5717 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
5718 sign_extendqihi2_insn, sign_extendqisi2_insn,
5719 sign_extendqidi2_insn, sign_extendhidi2_insn,
5720 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
5721 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
5722 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
5723 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
5724 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
5725 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
5726 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
5727 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
5728 smulsi3_highpart_v8plus, unnamed subreg mult,
5729 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
5730 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
5731 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
5732 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
5733 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
5734 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
5735 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
5736 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
5737 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
5738 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
5739 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
5740 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
5741 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
5742 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
5743 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
5744 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
5745 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
5746 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
5747 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
5748 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
5749 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
5750 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
5751 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
5752 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
5753 call_address_untyped_struct_value_sp32,
5754 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
5755 call_value_symbolic_sp32, call_value_address_sp64,
5756 call_value_symbolic_sp64, branch_sp32, branch_sp64,
5757 flush_register_windows, goto_handler_and_restore,
5758 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
5759 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
5760 return_addsi, return_di, return_adddi, return_sf, all call+jump
5761 peepholes, trap, unnamed trap insns): Prettify output strings.
5762 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
5763 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
5764 Likewise and force + implement splits for integer cases.
5765 (define_insn return_sf_no_fpu): Likewise and allow to match when
5766 no-fpu because of our subreg SFmode splits.
5767 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
5768 zero_extendqidi2_insn, zero_extendhidi2_insn,
5769 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
5770 input_operand for second operand.
5771 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
5772 reg_or_0_operand for operand 2 so new splits can use it.
5773 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
5774 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
5776 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
5777 CONST_DOUBLEs for operand 2.
5778 (define_insn move_label_di): Likewise and label distance
5779 optimization because it no longer works with new deferred case
5780 vector scheme. To be revisited.
5781 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
5782 and allow reg_or_0_operand and J constraint for second operand.
5783 (define_insn jump): Set branch predict taken on V9.
5784 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
5785 new deferred case vector scheme.
5786 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
5787 (define_insn negdi2_sp32): Force + implement splits.
5788 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
5789 one_cmplsi2_not_liveg0 respectively, and create expander of original
5790 names which emit special rtl for TARGET_LIVE_G0.
5791 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
5792 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
5793 gen_compare_reg, FAIL instead.
5794 (define_insn sgtu, sleu): Likewise and check gen_s*() return
5795 values when trying to reverse condition codes, if they FAIL then
5797 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
5798 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
5799 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
5800 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
5801 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
5802 set output string to # to indicate they are mandatory splits.
5803 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
5804 pic_sethi_di, move_pic_label_si): Remove.
5805 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
5806 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
5808 (define_expand movsi_pic_label_ref, define_insn
5809 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
5810 expander and insns to handle PIC label references and deferred
5812 (define_insn get_pc_via_rdpc): Comment out as it is no longer
5814 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
5815 Rewrite to not use emit_move_sequence, make use of new constant
5816 formation code, and new splits for all multi-insn cases.
5817 (define_insn movqi_insn): Remove sethi case, it can never happen.
5818 Use reg_or_zero_operand instead of const0_rtx explicit test,
5819 use input_operand instead of move_operand for source, and use
5820 general_operand now for dest.
5821 (define_insn movhi_insn): Similar but leave sethi case.
5822 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
5823 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
5824 movhi_lo_sum respectively, prettify output string.
5825 (define_insn movsi_zero_liveg0): New pattern to put zero into a
5826 register when needed on TARGET_LIVE_G0.
5827 (define_insn movsi_insn): Use general_operand and input_operand
5828 for dest and src respectively. Simplify applicability test.
5829 Prettify output strings, and add clr alternative for J
5831 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
5832 deprecated std and reg-reg DI moves): Remove and...
5833 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
5834 implementation which uses forced splits for all non-single insn
5836 (define_split DI move cases on !arch64): New splits to handle all
5837 situations of 64-bit double register DImode on 32bit, and
5838 unaligned registers and memory addresses for all subtargets.
5839 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
5841 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
5842 input_operand for dest and src respectively, prettify output
5844 (define_insn movdf_insn, movdf_no_e_insn, store_df,
5845 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
5847 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
5848 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
5849 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
5850 movtf_no_e_insn_sp64) Replace with new
5851 implementation which uses forced splits for all non-single insn
5853 (define_split DF move cases): New splits in similar vein to DI
5855 (define_insn sethi_di_medlow, sethi_di_medium_pic,
5856 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
5857 movdi_sp64_insn): Remove old v9 code model and constant loading
5859 (define_insn pic_lo_sum_di, pic_sethi_di,
5860 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
5861 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
5862 embmedany_sethi, embmedany_losum, embmedany_brsum,
5863 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
5864 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
5865 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
5866 scheme, using unspecs, secondary reloads, and one to one sparc
5867 insn to rtl insn mapping for better scheduling and code gen.
5868 (define_expand reload_indi, reload_outdi): Reload helpers for
5869 MEDANY and EMBMEDANY symbol address loading cases which require a
5871 (define_expand movsicc): Remove v8plus_regcmp cases.
5872 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
5873 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
5874 cmp_diqi_trunc_set): New patterns used by some of the new scc
5876 (define_insn xordi3_sp64_dbl): New pattern used for constant
5877 formation when crossing from 32-bit targets.
5878 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
5880 (define_insn addx, subx): Make visible and prettify.
5881 (define_insn adddi3_insn_sp32): Likewise and force split.
5882 (define_insn addx_extend, subx_extend, unnamed): New patterns for
5883 64bit scc split usage.
5884 (define_insn unnamed plusDI zero_extend, unnamed minusDI
5885 zero_extend, subdi3): Force and implement splits.
5887 * final.c (final_scan_insn): Don't output labels if target
5888 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
5891 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
5892 don't forget to walk inside SEQUENCESs too as these are what the
5893 delay slot scheduler will create.
5895 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
5897 * alpha.md (extxl+1,+2): New patterns to work around
5900 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
5902 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
5903 caused bad assembly code to be generated.
5905 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
5907 * netbsd.h: Fix typo.
5909 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
5911 * config.sub: Fix typo.
5913 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
5915 * invoke.texi (Environment Variables): Typo: Change "ascpects"
5917 (Running Protoize): Typo: Change "ther" into "other".
5919 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
5921 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
5922 * m68k/netbsd.h: Likewise.
5923 * ns32k/netbsd.h: Likewise.
5924 * sparc/netbsd.h: Likewise.
5926 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
5928 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
5929 * ginclude/va-clipper.h (va_list): Likewise.
5931 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
5933 * rs6000.c (rs6000_override_options): If big endian and -Os, use
5934 load/store multiple instructions unless user overrides.
5936 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
5938 * ns32k/netbsd.h: Fix typo.
5940 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
5942 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
5943 labels with .debugsym if no parallel insns.
5945 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
5947 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
5948 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
5950 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
5952 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
5953 (AR_FOR_TARGET): Define.
5955 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
5957 * dyn-string.h: New file.
5958 * dyn-string.c: Likewise.
5959 * Makefile.in (OBJS): Add dyn-string.o.
5960 (dwarf2out.o): Add dyn-string.h dependency.
5961 (dyn-string.o): List dependencies.
5962 * dwarf2out.c: Include dyn-string.h.
5963 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
5964 (addr_const_to_string): Take a dyn_string_t, not a char* as a
5965 prototype. Use dyn_string_append rather than strcat, throughout.
5966 (addr_to_string): Use dyn_string_t.
5968 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
5970 Function entry/exit profiling instrumentation:
5971 * expr.h (profile_function_entry_libfunc,
5972 profile_function_exit_libfunc): Declare new variables.
5973 * optabs.c: Define them here.
5974 (init_optabs): Initialize them.
5975 * tree.h (struct tree_decl): New flag
5976 no_instrument_function_entry_exit.
5977 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
5978 * c-decl.c (duplicate_decls): Merge it.
5979 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
5980 (init_attributes): Use it for "no_instrument_function".
5981 (decl_attributes): Handle it, for functions that have not yet been
5982 compiled. Set decl flag.
5983 * flags.h (flag_instrument_function_entry_exit): Declare new
5985 * toplev.c (flag_instrument_function_entry_exit): Define it here.
5986 (f_options): New option "instrument-functions".
5987 * function.h (struct function): New field instrument_entry_exit.
5988 * function.c (current_function_instrument_entry_exit): New
5990 (push_function_context_to, pop_function_context_from): Save and
5992 (expand_function_start): Set current_ variable, maybe emit return
5993 label and entry profile call.
5994 (expand_function_end): Maybe emit exit profile call.
5996 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
5998 * i386.md (movqi): When optimizing a load of (const_int 1) into a
5999 NON_QI_REG_P, pretend the register is SImode.
6001 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
6003 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
6004 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
6005 manufacturer id for ns32k.
6006 * configure: Regenerated.
6007 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
6008 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
6009 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
6010 * config/m68k/netbsd.h: Same.
6011 * config/ns32k/netbsd.h: Same.
6012 * config/sparc/netbsd.h: Same.
6014 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
6016 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
6017 or UNROLL_COMPLETELY loop that starts with a jump to its
6020 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
6022 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
6023 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
6024 (print_operand, case 'B'): Don't fall through.
6025 (print_operand, case 'S'): Correct mask begin/end computation.
6026 Use HOST_BITS_PER_WIDE_INT.
6027 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
6028 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
6029 * rs6000/aix41.h (CPP_PREDEFINES): Same.
6030 * rs6000/aix43.h (CPP_PREDEFINES): Same.
6032 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
6034 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
6035 constraint from second alternative.
6037 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
6039 * configure.in: Fix --without/--disable cases for local-prefix,
6040 gxx-include-dir and checking.
6042 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6044 * configure.in (enable_haifa): Set by default for sparc64 too.
6047 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
6049 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
6050 * i386/winnt.c (associated_type): New fn.
6051 (i386_pe_valid_type_attribute_p): New fn.
6052 (i386_pe_check_vtable_importexport): Remove.
6053 (i386_pe_dllexport_p): Use associated_type.
6054 (i386_pe_dllimport_p): Likewise.
6056 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
6057 * i386.c (i386_valid_type_attribute_p): Also accept
6058 attributes for METHOD_TYPEs.
6060 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
6062 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
6064 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
6066 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
6068 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
6069 them from generating a new base name for each occurence of
6072 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
6074 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
6076 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
6080 * cplus-dem.c (type_kind_t): New type.
6081 (demangle_template_value_parm): Add type_kind_t parameter. Rely
6082 on this paramter, rather than demangling the type again.
6083 (demangle_integral_value): Pass tk_integral.
6084 (demangle_template_: Pass the value returned from do_type.
6085 (do_type): Return a type_kind_t. Pass tk_integral to
6086 demangle_template_value_parm for array bounds.
6087 (demangle_fund_type): Likewise.
6089 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
6091 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
6094 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
6096 * pa.c (move_operand): Accept CONSTANT_P_RTX.
6098 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
6100 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
6102 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
6105 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
6107 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
6108 (DEBUGGER_ARG_OFFSET): Likewise.
6110 * mn10300.md (movsf): Remove last change. Not needed.
6112 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
6114 * c-lex.c (yylex): Fix boundary conditions in character literal and
6115 string literal loops.
6117 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
6119 * longlong.h (count_leading_zeros): Sparclite scan instruction was
6120 being invoked incorrectly.
6122 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
6123 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
6125 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
6126 * configure.in: Added i[34567]86-*-win32
6127 * config.sub: Ditto.
6128 * configure: Rebuilt.
6130 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
6132 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
6133 the frame pointer and compiling PIC code and reload has not completed.
6135 * i386.c (output_to_reg): Add code to emulate non-popping DImode
6138 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
6140 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
6142 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6144 * Makefile.in (install-info): Only try to update the info
6145 directory file if it exists in the first place.
6147 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
6149 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
6151 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
6153 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
6154 CONST_DOUBLE source.
6156 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
6158 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
6159 strings as the insertion of USER_LABEL_PREFIX.
6160 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
6162 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
6165 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
6167 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
6168 already defined type.
6170 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
6172 * expr.c (check_max_integer_computation_mode): Allow conversions
6173 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
6174 (expand_expr): Likewise.
6176 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6178 * expr.c (expand_expr): Expand RETURN_EXPR.
6180 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
6182 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
6184 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
6186 * dwarf2out.c (output_aranges): Call stripattributes
6187 for TEXT_SECTION references.
6188 (output_line_info): Likewise.
6190 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6192 * profile.c (branch_prob): Call allocate_reg_info after outputting
6193 profile rtl in instrument_arcs.
6195 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
6197 * fixinc.irix (math.h): Install wrapper instead of copying.
6199 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6201 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
6202 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
6203 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
6204 lang_flag_0. Added documentation in the flag table.
6206 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
6208 * cccp.c (do_include): Fix vax c style include handling.
6210 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
6212 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
6214 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
6216 * fold-const.c (non_lvalue): Don't deal with null pointer
6218 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
6220 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
6222 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
6223 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
6224 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
6225 (u_short_cint_operand): Same.
6226 (reg_or_cint_operand): Same.
6227 (logical_operand): Same.
6228 (input_operand): Same.
6229 (reg_or_short_operand): Use u_short_cint_operand.
6231 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
6233 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
6234 but keep the insns and splits. Adjust so when the ultimate destination
6235 is memory, use cvtql.
6237 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
6239 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
6241 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
6243 * gcc.c (do_spec): Call "error" not "warning".
6245 * configure.in: Fix minor problems with gas feature detection code.
6246 * configure: Rebuilt.
6248 * gcc.c (do_spec): Issue a warning for '%[]' usage.
6251 * gcc.c: Delete %[spec] support.
6252 (do_spec_1, case '('): Likewise.
6253 (do_spec_1, case '['): Call error.
6255 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
6257 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
6258 (CPP_SUBTARGET_SPEC): Default to empty string.
6259 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
6260 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
6261 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
6262 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
6264 * alpha/linux.h (CPP_PREDEFINES): Tidy.
6265 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
6266 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
6267 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
6268 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
6269 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
6270 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
6271 * alpha/vxworks.h: Likewise.
6273 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
6275 * mips.md (reload_outsi): Added missing REGNO call.
6276 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
6278 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
6279 another match_operator and compare the codes.
6281 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
6283 * MIPS multiply pattern fixes:
6284 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
6285 Add union classes for HI, LO, or HILO plus general registers.
6286 (GENERATE_MADD): Deleted.
6287 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
6288 Add TARGET_MAD to condition.
6289 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
6290 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
6291 "*d" for accumulator, to give preference to LO initially but not
6294 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
6296 * configure.in (enable_c_mbchar): New configure option.
6297 (extra_cpp_objs): Always available now.
6299 * cexp.y (mbchar.h): #include it.
6300 (yylex): Handle Multibyte characters in character literals.
6302 * cccp.c (mbchar.h): #include it.
6303 (main): Set character set based on LANG environment variable.
6304 (rescan): Handle multibyte characters in comments.
6305 (skip_if_group): See above.
6306 (validate_else): See above.
6307 (skip_to_end_of_comment): See above.
6308 (macarg1): See above.
6309 (discard_comments): See above.
6310 (rescan): Handle multibyte characters in string and character literals.
6311 (collect_expansion): See above.
6312 (skip_quoted_string): See above.
6313 (macroexpand): See above.
6314 (macarg1): See above.
6315 (discard_comments): See above.
6316 (change_newlines): See above.
6318 * c-lex.c (mbchar.h): #include it.
6319 (GET_ENVIRONMENT): New macro.
6320 (init_lex): Set character set based on LANG environment variable.
6321 (yylex): Handle multibyte characters in character literals.
6322 (yylex): Handle multibyte characters in string literals.
6324 * Makefile.in (mbchar.o): New target.
6325 (cccp$(exeext)): @extra_cpp_objs@ is always available.
6326 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
6328 * mbchar.[ch]: New files for multibyte character handling.
6330 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6332 * jump.c (jump_optimize): When simplifying noop moves and
6333 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
6334 the PUSHes to rewrite in second loop as we did in the first.
6336 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6338 * cplus-dem.c (demangle_nested_args): Make function definition
6339 static to match the prototype.
6341 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
6343 * alloca.c: Respect USE_C_ALLOCA.
6344 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
6345 * gengenrtl.c (xmalloc): Likewise.
6347 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
6349 * loop.h (struct induction): Add no_const_addval.
6350 * loop.c (the_movables, reg_address_cost): New variables.
6351 (init_loop): Init reg_address_cost.
6352 (loop_optimize): Call end_alias_analysis.
6353 (scan_loop): Init the_movables.
6354 (record_giv): Init induction->no_const_addval.
6355 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
6356 [REG]: Rearrange loop search test to catch more cases.
6357 (general_induction_var): Return success not benefit; take an extra
6358 argument for that. Change all callers.
6359 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
6360 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
6361 [default]: Search the_movables for additional combinations.
6362 (sge_plus_constant, sge_plus): New functions.
6363 (express_from_1): New function.
6364 (express_from): Always define. Rewrite using express_from_1.
6365 (combine_givs_p): Handle more cases. Ignore address cost.
6366 (cmp_combine_givs_stats): New function.
6367 (combine_givs_used_once, combine_givs_benefit_from): New functions.
6368 (combine_givs): Rewrite to do best-fit combination.
6370 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
6371 (fold): Do a complete (A*C)+(B*C) association check.
6373 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
6375 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
6377 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
6379 * mn10300.c (MODES_TIEABLE_P): Fix typo.
6381 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
6383 * tree.c (valid_machine_attribute): Only create a new type variant if
6384 there is a decl to use it.
6386 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
6388 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
6391 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
6393 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
6396 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
6398 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
6399 Simplify tests for clearing an address register.
6400 (expand_prologue): Corresponding changes.
6402 * mn10300.md (movXX patterns): Make sure the destination is an
6403 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
6404 (logical patterns): Split into expanders + patterns
6405 (zero and sign extension patterns): Similarly.
6406 (shift patterns): Similarly.
6408 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
6410 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
6411 for the sequence, recording base values.
6413 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
6415 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
6417 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
6419 * gcc.c: Remove ANSI-C ism from --help code.
6421 * toplev.c: Support --help with USE_CPPLIB.
6423 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
6425 * configure.in: Rework gas feature code to work with symlink based
6428 * extend.texi: Clarify some issues related to local variables
6429 assigned to explicit registers.
6431 * mn10300.md (mulsi): Turn into expander + pattern.
6433 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
6436 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
6438 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
6440 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
6442 * version.c: Bump again to distinguish mainline tree from the
6445 See ChangeLog.0 for earlier changes.
6448 add-log-time-format: current-time-string