1 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
3 * c-lex.c (lex_charconst): Fix typo: s/p/str.
5 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7 * rs6000.h (rs6000_return_addr): Move prototype from here...
8 * rs6000-protos.h (rs6000_return_addr): ...to here.
9 (rs6000_init_expanders): Delete prototype.
11 2001-01-23 Nick Clifton <nickc@redhat.com>
13 * invoke.texi: Replace , with \, inside @gccoptlist macros.
14 (Spec Files): Document %B and %j and %. and %v3 and %M and
15 %{S*&T} spec switches.
17 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
19 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
21 2001-01-23 Chris Demetriou <cgd@sibyte.com>
22 Neil Booth <neil@daikokuya.demon.co.uk>
24 * cpperror.c: Merge handlers of PEDWARN and WARNING.
25 Have -Werror make pedantic warnings errors, like the
28 2001-01-23 Phil Edwards <pme@sources.redhat.com>
30 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
32 2001-01-23 Jakub Jelinek <jakub@redhat.com>
34 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
35 * integrate.c (expand_inline_function): Initialize them.
36 (subst_constants): If changing COMPARE so that both its arguments
37 will be VOIDmode and the comparison mode will be lost, note
38 compare_mode. Use the recorded compare_mode to optimize
41 2001-01-23 Jason Merrill <jason@redhat.com>
43 * dwarf2out.c (new_die): Use xcalloc.
44 (output_die): Abort rather than emit a local reference to offset 0.
46 2001-01-17 Andrew Haley <aph@redhat.com>
48 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
49 of a saved register; return NULL instead.
50 (copy_reg): Take a pointer to a source register rather than a
52 (next_stack_level): Remember the address in the stack frame of all
54 Use the saved register pointer array as the source of the CFA.
55 (throw_helper): Rewrite. Unwind once rather than twice and keep
56 track of saved registers as we go.
58 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
60 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
61 * c4x.c (c4x_legitimize_reload_address): Remove.
62 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
63 reload address for ldp(k) insn.
65 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
67 * pa.md (return_internal): Add a USE of the PIC register to ensure
68 it is restored after each call.
69 (return expander): Corresponding changes.
71 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
73 * rs6000.h (INIT_EXPANDERS): Delete.
74 (RETURN_ADDR_RTX): Call rs6000_return_addr().
75 * rs6000.c (rs6000_override_options): Call *_machine_status from
77 (rs6000_init_expanders): ...instead of here. Delete.
78 (rs6000_mark_machine_status): New function.
79 (rs6000_init_machine_status): Use xcalloc.
80 (rs6000_return_addr): Generate RTX for the return address.
81 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
82 (rs6000_stack_info): Use it.
84 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
86 * gthr-win32.h: Include errno.h to get a declaration for
87 EINVAL and _mingw.h if the target is mingw32.
89 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
91 * cpp.texi: Correct typos.
93 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
95 * explow.c (probe_stack_range): Ensure value passed to
96 stack_check_libfunc is ptr_mode, not Pmode.
98 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
100 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
101 case, don't use operand_subword to calculate a SUBREG that is
104 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
106 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
108 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
109 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
110 valid. If not replace it by equivalent insns.
112 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
114 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
115 contains SYMBOL_REF, LABEL_REF and CONST_INT.
116 (c4x_U_constraint, symbolic_address_operand): Likewise.
117 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
119 (c4x_r11_set_p, c4x_check_laj_p): New functions.
120 * c4x-protos.h (c4x_check_laj_p): Add prototype.
121 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
122 anulling slot because of silicon bug.
123 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
125 2001-01-22 Alan Modra <alan@linuxcare.com.au>
127 * cppexp.c (parse_charconst): Change `mask' type to agree
130 2001-01-21 Richard Henderson <rth@redhat.com>
132 * config/i386/i386.c (ix86_asm_file_end): Disable putting
133 pic_label_name in a linkonce section.
135 2001-01-17 Philipp Thomas <pthomas@suse.de>
137 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
139 * configure: Regenerate.
141 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
143 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
144 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
146 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
148 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
149 If REVERSE nonzero then condition code in X must be reversed.
150 (encode_section_info): Optimise if/else.
151 (avr_function_value): Fix formatting.
153 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
154 (difficult_branch): Likewise.
155 (rvbranch): Likewise.
156 (difficult_rvbranch): Likewise.
158 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
160 * config/avr/libgcc.S: Fix comment.
162 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
164 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
166 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
168 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
170 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
172 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
173 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
174 * configure, config.in: Regenerate.
175 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
176 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
177 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
178 (doprint.o): New rule.
180 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
182 * c-typeck.c (digest_init): Handle boolean types as scalars.
184 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
186 * stmt.c (expand_return): Don't return anything if size is zero.
187 Delete redundant assignment to BYTES.
188 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
190 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
192 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
193 the same as the default library function names.
194 * config/avr/avr.md: Document special characters after '%'.
195 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
196 knowing which of the call-used registers are really clobbered.
197 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
198 New. Both quotient and remainder from one libgcc.S call.
199 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
200 clobber as few registers as possible.
201 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
203 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
205 * cppmacro.c (funlike_invocation_p): Don't move back up to the
206 context of the top of the stack.
208 2001-01-20 Jakub Jelinek <jakub@redhat.com>
210 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
211 (fixup_var_refs_insns): ...here.
213 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
215 * function.c (fixup_var_refs_insns): Break up into
216 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
217 [loop over entire insn list], and fixup_var_refs_insns_with_hash
218 [loop over hash table entries].
219 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
220 fixup_var_refs_insns_with_hash, to match above changes.
222 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
224 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
225 (libgcc.a): Likewise.
226 (stmp-multilib): Likewise.
227 (STAGE2_FLAGS_TO_PASS): Likewise.
229 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
231 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
232 temporary if no_new_pseudos.
234 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
236 * cppinternals.texi: Update.
238 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
240 * arm.c (arm_init_builtins): Re-enable builtins.
242 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
244 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
245 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
246 element to be null, and always expect an EXPR_LIST.
247 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
248 * sched-deps.c (sched_analyze_1): Likewise.
249 * sched-rgn.c (check_live_1, update_live_1): Likewise.
251 * regclass.c (max_set_parallel): New variable.
252 (reg_scan): Take it into account in computation of max_parallel.
253 (reg_scan_mark_refs, case SET): Compute it.
255 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
257 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
258 * function.c (assign_parms): Use INTVAL for a CONST_INT.
260 2001-01-19 Jason Merrill <jason@redhat.com>
262 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
263 for the abstract instance of an inline function.
265 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
266 J"orn Rennecke <amylaar@redhat.com>
268 * reload1.c (move2add_note_store): Treat all registers directly or
269 indirectly derived from a base register as members of the same set
271 (reload_cse_move2add): Adjust accordingly. Take mode and offset
272 of base register into account.
274 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
276 * alias.c (find_base_value): Recognize TRUNCATE.
277 (record_set): In PLUS case, invalidate if other summand is also a
280 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
282 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
283 entry to be EXPR_LIST.
284 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
285 be an EXPR_LIST (but not null, which other code doesn't allow).
286 (note_stores): Properly handle PARALLEL in SET.
287 Recursively call for top-level PARALLEL.
288 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
289 * sched-rgn.c (check_live_1, update_live_1): Likewise.
291 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
293 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
295 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
296 not pfile->skipping (== 0).
298 2001-01-17 Nick Clifton <nickc@redhat.com>
300 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
303 2001-01-17 Jim Wilson <wilson@redhat.com>
305 * invoke.texi (IA-64 options): Improve.
307 2001-01-17 Tom Tromey <tromey@redhat.com>
309 * invoke.texi (Optimize Options): Use `{}' to around @samp
312 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
314 * invoke.texi (-fno-guess-branch-probability): New option.
316 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
318 * combine.c (try_combine): Don't set i3_subst_into_i2 for
319 case of making new double-word constant.
320 Revert last change: instead just test i3_subst_into_i2.
322 2001-01-17 Jakub Jelinek <jakub@redhat.com>
324 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
325 Use q constraints instead of r.
327 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
329 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
330 (machine_function): Define.
331 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
332 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
333 pa_free_machine_status): New functions.
334 (override_options): Set {init,mark,free}_machine_status to above.
335 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
336 PIC_OFFSET_TABLE_REGNUM_SAVED.
337 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
338 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
339 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
340 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
341 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
343 2001-01-15 DJ Delorie <dj@redhat.com>
345 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
349 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
351 * flow.c (propagate_on_insn): Make trying to delete a prologue
352 or epilogue insn an ICE, not a warning. Allow doing this if
353 the current function returns with stack pointer depressed.
355 * combine.c (try_combine): If i3_subst_into_i2, properly check for
356 I3 having more than one SET.
358 2001-01-16 Jim Wilson <wilson@redhat.com>
360 * invoke.texi: Document IA-64 options.
362 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
363 (fixup_errata): Delete TARGET_A_STEP use.
364 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
365 (TARGET_SWITCHES): Delete -ma-step option.
366 * config/ia64/ia64.md (all FP patterns): Delete %B0.
367 (movqicc_astep, movqi_internal_astep, movhicc_astep,
368 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
369 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
370 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
371 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
373 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
374 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
375 cmovsi_internal): Delete ! TARGET_A_STEP check.
377 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
379 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
380 possibility to report bugs via postal mail. Change a URL and
381 merge in a nearly duplicate statement...
382 (Bug Reporting): ...from here.
383 (Service): Refer to the Bug Reporting section instead of
385 (Contributing): Remove trivial explanations concerning snapshots.
387 2001-01-16 Alan Modra <alan@linuxcare.com.au>
389 * cppmain.c (general_init): Don't use ANSI prototype.
391 2001-01-16 Tom Tromey <tromey@redhat.com>
393 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
395 2001-01-16 Richard Henderson <rth@redhat.com>
397 * config/i386/i386.h: Fix comment typo.
398 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
399 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
401 2001-01-16 Phil Edwards <pme@sources.redhat.com>
403 * gcc.c: Revert previous -fsyntax-only-related change; move
406 2001-01-16 Jakub Jelinek <jakub@redhat.com>
408 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
409 inmode after checking GET_CODE (op).
411 2001-01-16 Richard Henderson <rth@redhat.com>
413 * flow.c (struct propagate_block_info): Add mem_set_list_len.
414 (MAX_MEM_SET_LIST_LEN): New.
415 (propagate_one_insn): Update mem_set_list_len.
416 (invalidate_mems_from_autoinc): Likewise.
417 (invalidate_mems_from_set): Likewise.
418 (mark_used_regs): Likewise.
419 (init_propagate_block_info): Likewise. Stop collecting memories
420 when we reach MAX_MEM_SET_LIST_LEN.
421 (mark_set_1): Likewise.
423 2001-01-16 Richard Henderson <rth@redhat.com>
425 * unroll.c (precondition_loop_p): Fail if no iteration
428 2001-01-16 Phil Edwards <pme@sources.redhat.com>
430 * gcc.c: When -fsyntax-only is given, do not complain about
433 2001-01-15 Richard Henderson <rth@redhat.com>
435 * config/i386/i386.c (asm_output_function_prefix): Remove.
436 (ix86_asm_file_end): New.
437 (load_pic_register): Generate pic_label_name into a
438 staticly allocated buffer.
439 * config/i386/i386-protos.h: Update.
440 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
442 * config/i386/i386afe.h: New file.
443 * config.gcc (i?86-*-elf) [tm_file]: Use it.
444 (i?86-*-{freebsd,linux*,moss*}): Likewise.
445 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
446 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
447 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
448 * config/i386/sco5.h (ASM_FILE_END): Likewise.
449 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
451 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
453 * Makefile.in (install-man): Remove explicit dependency on
456 * configure.in, configure: Revert previous patch requiring perl
459 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
461 * toplev.c (flag_guess_branch_prob): New.
462 (f_options): Add guess-branch-probability option.
463 (rest_of_decl_compilation): Only estimate branch probability if
465 (main): set flag_guess_branch_prob.
467 * flags.h (flag_guess_branch_prob): New.
469 2001-01-15 DJ Delorie <dj@redhat.com>
471 * gcc.texi (Makefile): Add documentation for Makefile targets.
473 2001-01-15 Philip Blundell <philb@gnu.org>
475 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
477 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
478 (is_pic): Delete declaration.
479 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
480 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
481 * config/arm/arm.md (builtin_setjmp_receiver): New.
483 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
485 * arm.c (use_return_insn): Don't try to determine the function type
486 until after reload has completed.
487 (arm_output_epilogue): Don't adjust the sp value recovered from the
489 (emit_multi_reg_push): Don't record dwarf information for the pc.
490 * arm.md (eh_epilogue): The function type may have changed, so it
491 needs to be recalculated.
492 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
493 unwind tables on arm/netbsd.
495 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
497 * arm.md (cbranchsi4): Correct calculation of branch ranges.
498 (negated_cbranchsi4): Likewise.
500 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
502 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
503 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
504 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
505 pass -mapcs-* options to assembler.
506 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
507 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
508 (ASM_SPEC): Call subtarget_extra_asm_spec.
510 2001-01-15 Andreas Jaeger <aj@suse.de>
512 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
514 (ix86_expand_builtin): Likewise.
516 * gencodes.c (output_predicate_decls): Make i size_t to avoid
517 warning about comparison between signed and unsigned.
519 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
521 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
523 2001-01-14 Ralf Baechle <ralf@gnu.org>
525 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
526 SUBTARGET_CPP_SPEC apropriatly.
528 2001-01-12 Mark Mitchell <mark@codesourcery.com>
530 * varasm.c (make_decl_rtl): Fix typo in last change.
532 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
534 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
535 linker supports the init_priority C++ attribute.
536 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
537 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
538 linker does not support init_priority C++ attribute.
540 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
542 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
544 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
546 * c-parse.in (finish_parse): Add comment about cpp_destroy.
547 * cp/lex.c (finish_parse): Similarly.
548 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
549 Return the number of errors encountered.
550 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
551 * cppmain.c (main): Don't call cpp_destroy.
553 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
555 * configure.in: Require at least perl 5.6.0 to regenerate
557 * configure: Regenerate.
559 2001-01-14 Richard Henderson <rth@redhat.com>
561 * genrecog.c (DT_veclen_ge): New.
562 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
563 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
564 (nodes_identical_1): Handle DT_veclen_ge.
565 (write_cond, debug_decision_2): Likewise.
567 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
569 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
571 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
573 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
575 * cppmain.c (do_preprocessing): New function; most of the old
577 (main): Call it to do most of the work.
578 (cb): Move from global scope to set_callbacks ().
579 (setup_callbacks): Get the callback pointer.
580 (general_init, printer_init): Clean up code and comments.
582 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
584 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
587 2001-01-14 Kazu Hirata <kazu@hxi.com>
589 * config/h8300/h8300.c (get_shift_alg): Update comments.
591 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
593 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
594 (alloc_page, ggc_alloc): Add casts to remove warnings.
596 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
598 * combine.c (simplify_comparison): Don't change `code' when
599 can't reverse comparison.
601 2001-01-14 Richard Henderson <rth@redhat.com>
603 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
604 update all call sites. Return true for all non-label constants.
606 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
608 * i386.c (ix86_expand_compare): Add bypass_test and second_test
610 (ix86_expand_branch): Update.
611 (ix86_expand_setcc): Update to handle multiple test conditions.
612 (expand_int_movcc): Likewise.
613 (expand_fp_movcc): Likewise.
614 * i386-protos.h (ix86_expand_compare): New.
615 * i386.md (andqi_?_slp, orqi_?_slp): New.
616 (conditional trap expander): Update call to ix86_expand_compare.
618 2001-01-14 Richard Henderson <rth@redhat.com>
620 * config/vax/vax.md: Use nonimmediate_operand instead of
621 general_operand in destinations.
623 * config/vax/vax.md (indirect_jump): Use register_operand.
625 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
626 * config/vax/vax.md (call_pop): Turn into an expander.
627 (call_value_pop): Likewise.
628 (call, call_value): New.
630 2001-01-14 Andreas Jaeger <aj@suse.de>
632 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
634 (ix86_fp_compare_mode): Add unused attribute.
635 (ix86_expand_fp_movcc): Remove unused variable.
636 (ix86_expand_builtin): Make fcode unsigned.
638 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
639 (expand_expr): Add cast to avoid signed warning.
640 (store_field): Likewise.
641 (store_constructor_field): Likewise.
642 (store_constructor): Likewise.
643 (store_expr): Likewise.
644 (clear_storage): Likewise.
645 (emit_group_store): Likewise.
646 (emit_group_load): Likewise.
648 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
650 * c-common.c: Move format checking code to ...
651 * c-format.c: ... here. New file. Reorder some functions and
653 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
655 * c-common.h (decl_handle_format_attribute,
656 decl_handle_format_arg_attribute): Declare.
657 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
658 (c-common.o): Adjust dependencies.
659 (c-format.o): New list of dependencies.
661 2001-01-13 Jakub Jelinek <jakub@redhat.com>
663 * unroll.c (loop_iterations): If we cannot prove iteration variable
664 is set once in each iteration, punt.
666 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
668 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
669 (*strlenhi): Remove clobber (which was buggy) of output address.
671 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
673 * Makefile.in (generated-manpages): Add gcc.1
674 ($(srcdir)/gcc.1): New target.
675 (maintainer-clean): Delete $(srcdir)/gcc.1.
676 * gcc.texi: Add macros @gccoptlist and @gol.
677 * invoke.texi: Include option summary in manpage. Mark up option
678 summary with @gccoptlist and @gol. Use @r in one place where
680 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
681 * gcc.1: Generate from invoke.texi.
683 2001-01-13 Richard Henderson <rth@redhat.com>
685 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
686 (struct page_entry): Add group member.
687 (struct page_group): New.
688 (struct globals): Add page_groups member.
689 (alloc_anon): Only define for using mmap; remove valloc call.
690 (page_group_index): New.
691 (set_page_group_in_use): New.
692 (clear_page_group_in_use): New.
693 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
694 (free_page, release_pages): Likewise.
695 * configure.in (with-gc): Default to ggc-page always.
697 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
699 * reload1.c (replace_pseudos_in_call_usage): Use
700 reg_equiv_constant and reg_equiv_address, and don't try
703 2001-01-13 Richard Henderson <rth@redhat.com>
705 * ggc-page.c (alloc_page): Round up allocation size to one page.
706 Set e->order on extra pages.
708 2001-01-13 Richard Henderson <rth@redhat.com>
710 * genrecog.c (nodes_identical): Expand commentary.
711 (write_switch): Watch out for identical nodes.
713 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
715 * cppfiles.c (_cpp_fake_include): New function.
716 * cpphash.h (_cpp_fake_include): New.
717 * cpplib.c (do_line): Call _cpp_fake_include when entering
718 header files in preprocessed input.
719 * cppmain.c (cb_pragma_implementation): Remove handling.
720 (setup_callbacks): Don't register pragmas.
722 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
724 * extend.texi: Udate for CPP.
726 2001-01-13 Andreas Jaeger <aj@suse.de>
728 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
730 * regmove.c: Add prototype for replace_in_call_usage.
732 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
734 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
735 struct cpp_chunk, struct htab, struct toklist,
736 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
737 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
738 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
739 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
740 (struct macro_args): Delete.
741 * cpphash.h: See above.
743 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
745 * cppmain.c (struct printer): Remove no_line_dirs.
747 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
748 : Use options rather than CPP_OPTION.
749 (setup_callbacks): Use cb rather than pfile->cb.
750 (main): No need to check for a buffer. Use cpp_errors.
751 (printer_init): Don't set no_line_dirs.
752 (maybe_print_line): Use options not no_line_dirs.
753 (cb_file_change): Don't call print_line if -P.
755 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
757 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
759 * c-parse.in (finish_parse): Use cpp_errors.
760 (__yylex): Use return value of cpp_pop_buffer.
761 * cp/lex.c (finish_parse): Use cpp_errors.
762 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
764 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
766 * README.AVR: URLs corrected.
768 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
770 * c-decl.c (start_function): Don't warn if old prototype is builtin
771 that's not in C's namespace.
772 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
773 (_bb): Add prototype for ctime.
774 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
776 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
778 * i386.c (ix86_fp_comparison_arithmetics_cost,
779 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
780 ix86_fp_comparison_cost): New functions.
781 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
782 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
783 two-branch sequences; make static.
784 (ix86_use_fcomi_compare): Do decision according to the costs.
785 (split_fp_branch): New.
786 * i386.md (compare-and-branch patterns): Use split_fp_branch.
787 * i386-protos.h (ix86_expand_fp_compare): Remove
788 (ix86_split_fp_branch): Declare.
790 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
791 and ix86_comparison_operator.
793 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
796 * i386.c (put_condition_code): Output properly the unordered/ordered
798 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
800 * tm.texi (REVERSE_CONDITION): Document.
801 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
803 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
805 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
807 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
809 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
812 * config/sh/sh.c (mova_p): Fix test for mova_const.
814 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
816 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
817 cpp_get_options rather than dereferencing pfile and using
819 * scan-decls.c (scan_decls): Use return value of
820 cpp_pop_buffer rather than CPP_BUFFER.
822 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
824 * cppinit.c (cpp_handle_option): help_only is now part of the
825 cpp_options structure.
826 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
827 cpp_set_callbacks): New functions.
828 * cpplib.h (cpp_callbacks): Break out as a named structure.
829 (cpp_options): Move help_only here from cpp_reader.
830 (CPP_FATAL_ERRORS): Update to use cpp_errors.
831 (cpp_errors, cpp_get_options, cpp_get_callbacks,
832 cpp_set_callbacks): New prototypes.
833 * cppmain.c (main): Update for help_only.
835 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
837 * Makefile.in (info, maintainer-clean, install-info, uninstall):
838 Also build and remove and install and uninstall c-tree.info and
840 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
841 ($(srcdir)/cppinternals.info): New target.
842 * c-tree.texi: Change file name used when makeinfo used without -o
843 from ir.info to c-tree.info. Add info directory entry.
844 * cppinternals.texi: Add info directory entry.
845 * .cvsignore: Update.
847 2001-01-12 Jakub Jelinek <jakub@redhat.com>
849 * c-typeck.c (store_init_value): Don't require constant initializer
850 elements with -pedantic -std=c99.
851 (digest_init): Change error about non-constant initializer elements
853 (constructor_range_end): Remove.
854 (constructor_incremental, designator_depth,
855 designator_errorneous): New variables.
856 (struct constructor_stack): Remove range_end, add incremental.
857 (struct constructor_range_stack, constructor_range_stack): New.
858 (struct initializer_stack): Add constructor_range_stack.
859 (finish_init): Set it.
860 (start_init): Likewise. require_constant_elements for non-static
861 trees only if not flag_isoc99.
862 (really_start_incremental_init): Remove constructor_range_end, add
863 constructor_incremental.
864 (pop_init_level): Likewise.
865 (push_init_level): Likewise. If implicit and the subobject had some
866 value set already, preinitialize the level with it.
867 Warn about missing braces only if not pushing due to designators.
868 (set_designator, push_range_stack): New functions.
869 (set_init_label): Use them.
870 (set_init_index): Likewise. Remove constructor_range_end.
871 Error if designator index is outside of array bounds.
872 (add_pending_init): Compare values of purpose index trees, not the
873 trees themselves. Allow overwriting of already initialized element.
874 Issue a warning if it had side-effects.
875 (set_nonincremental_init, set_nonincremental_init_from_string): New
877 (pending_init_member): Rename to...
878 (find_init_member): ...this function. Call set_nonincremental_init
879 if necessary. Compare values of purpose index trees, not the trees
880 themselves. Return the actual value, not just non-zero if something
882 (output_init_element): Remove checks for duplicates.
883 If field has zero size, only check the initializer for correctness.
884 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
885 if constructor_incremental is zero. Change error about initializers
886 not computable at load time into pedwarn.
887 (output_pending_init_elements): Compare bit positions, not
888 FIELD_DECLs to take into account zero-sized fields.
889 (process_init_element): Use constructor_range_stack to fill all
890 ranges in the designator lists from current level up.
891 * extend.texi: Update documentation for labeled elements.
893 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
895 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
896 to function usage for arguments passed by reference. Optimize
897 callee-copied arguments.
898 * regmove.c (replace_in_call_usage): New function.
899 (fixup_match_1): Call it.
900 * cse.c (cse_insn): Canonicalize registers in function usage.
901 * reload1.c (replace_pseudos_in_call_usage): New function.
904 * Makefile.in: Reverted yesterday's wrong patch. Installed the
907 2001-01-12 Jakub Jelinek <jakub@redhat.com>
909 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
912 2001-01-12 DJ Delorie <dj@redhat.com>
914 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
915 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
918 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
920 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
921 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
922 -std options alongside references to -ansi. Update some
923 documentation for C99.
926 2001-01-12 Andreas Jaeger <aj@suse.de>
928 * haifa-sched.c (restore_line_notes): Remove argument block B
930 * sched-ebb.c (schedule_ebb): Change caller.
931 * sched-rgn.c (schedule_region): Likewise.
932 * sched-int.h (restore_line_notes): Adjust prototype.
934 * loop.h: Remove wrong declaration of doloop_condition_get.
936 2001-01-12 Phil Edwards <pme@sources.redhat.com>
938 * extend.texi: Move C++-extension-related node from the C section
939 into the C++ section.
941 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
943 * extend.texi: Refer to an array of pointers to functions instead
946 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
947 Jan Hubicka <jh@suse.cz>
949 * combine.c (reversed_comparison): Fix typo in last patch.
951 (combine_reversed_comparison_code): Make static to follow
952 prototype declaration.
954 2001-01-12 Phil Edwards <pme@sources.redhat.com>
956 * install.texi: Remove misplaced duplicate entry.
958 2001-01-11 Ulrich Drepper <drepper@redhat.com>
960 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
962 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
964 * final.c: (leaf_function_p): Fix typo.
966 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
968 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
969 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
971 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
972 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
973 mmap_anon, and valloc is available.
974 * ggc-page.c: Restructure ifdef logic to match new autoconf
975 spec. Don't throw away the test page in init_ggc.
977 * configure, config.in: Regenerate.
979 2001-01-12 Michael Hayes <mhayes@redhat.com>
981 * loop.h (total_biv_increment): Constify iv_class pointer.
982 (struct induction): Replace `mem_mode' with `mem' rtx.
983 * unroll.c (total_biv_increment): Constify iv_class pointer.
984 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
985 (find_mem_givs, combine_givs_p): Likewise.
986 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
988 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
990 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
992 (__gthread_getspecific): Ditto.
994 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
996 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
997 put_condition_code): Convert fp comparison codes to integer
999 (ix86_expand_fp_compare): Postnote the fp comparison code converison
1002 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
1003 * i386-protos.h (no_comparison_operator): Kill.
1005 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
1007 * combine.c (REVERSIBLE_CC_MODE): Remove.
1008 (reversible_comparison_p): Remove.
1009 (combine_reversed_comparison_code): New.
1010 (reversed_comparison): New.
1011 (combine_simplify_rtx): Use
1012 combine_reversed_comparison_code/reversed_comparison instead
1013 of reversible_comparison_p.
1014 (simplify_if_then_else): Likewise.
1015 (simplify_set): Likewise.
1016 (simplify_logical): Likewise.
1017 (if_then_else_cond): Likewise.
1018 (known_cond): Likewise.
1019 (simplify_comparison): Likewise.
1021 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
1023 * builtins.c (std_expand_builtin_va_start): Handle varargs when
1024 sizeof (int) is larger than sizeof(__word__).
1026 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1028 * cppinit.c (do_includes): Fix typo.
1030 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1032 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
1033 in S_REGS does not occur because not all sources are possible
1034 when a S_REGS is a destination (sometimes needs a clobber).
1035 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
1036 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
1037 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
1038 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
1039 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
1040 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
1041 (lshrdi_const1, lshrsi3_const16): Likewise.
1042 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
1043 (*movhi_68hc12, *movqi_68hc12): Likewise.
1044 (movstrictqi): Make sure reloading in D_REGS as a destination
1047 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1049 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1051 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1053 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
1054 -D, -U and -A, and don't initialize the builtins.
1055 (do_includes): Error if -include or -imacros with -fpreprocessed.
1056 * cppmain.c (cb_define, cb_undef): Unconditionally process
1058 * tradcpp.c (main): Fix typo.
1060 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
1062 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
1063 (read_name_map): Use IS_ABSOLUTE_PATH.
1064 * tradcpp.c (get_filename): Likewise.
1066 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1068 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
1069 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
1070 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
1071 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
1072 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
1073 (cmphi_z_used): Don't use '@' for the output.
1074 (tstqi_z_used): Likewise.
1075 (cmpqi_z_used): Likewise.
1076 (one_cmplsi2): Likewise.
1078 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1080 * config/sh/sh.c (barrier_align): Recognize branch around far
1081 branch and redundant insn.
1083 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
1085 * invoke.texi: Restore documentation of the drivers' switches -MD
1088 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
1090 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
1092 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
1093 check-objc//%): Support parallel testing of multilibs.
1094 (TESTSUITEDIR): Set to testsuite by default, but override for
1096 (check-gcc, check-g++, check-g77, check-objc): Enter
1099 2001-01-11 Bernd Schmidt <bernds@redhat.com>
1101 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
1102 * sched-deps.c (deps_may_trap_p): Likewise.
1103 * basic-block.h: Remove a comment.
1104 * flow.c (PROP_POSTRELOAD): Remove.
1105 (update_life_info): Don't add it to prop_flags.
1106 (mark_set_1): Lose the code that was enabled by it.
1108 2001-01-11 Michael Hayes <mhayes@redhat.com>
1110 * flow.c (flow_call_edges_add): New.
1111 * basic_block.h (flow_call_edges_add): New.
1113 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
1115 * reload1.c (move2add_note_store): Update reg_set_luid even if
1116 base reg remains the same.
1118 2001-01-10 Nick Clifton <nickc@redhat.com>
1120 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
1121 machine_function structure to zero.
1122 Add prototypes for machine_status functions.
1124 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1126 * c-common.h (CTI_VOID_LIST): Remove.
1127 (void_list_node): Likewise.
1128 * tree.h (TI_VOID_LIST_NODE): New enumeral.
1129 (void_list_node): New macro.
1130 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
1131 * config/i386/i386.c (ix86_init_builtins): Likewise.
1132 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
1134 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1136 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
1137 * cppinit.c (cpp_start_read): Update comment, remove unneeded
1139 * tradcpp.c: Include mkdeps.h.
1140 (deps, print_deps_phony_targets, deps_append, output_deps,
1141 init_dependency_output, output_deps): New.
1142 (deps_buffer, deps_allocated_size, deps_size, deps_column,
1143 deps_output): Delete.
1144 (print_deps_missing_files): Rename deps_missing_files.
1145 (inhibit_output): Make global.
1146 (main): Delete inhibit_output, deps_stream, deps_target.
1147 Use mkdeps functionality in the same way as cpplib. Remove
1148 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
1149 -M and -MM. Remove old handling of deps via deps_out, and
1150 old reading of environment variables.
1151 (get_filename): Update to use deps_add_dep.
1153 2001-01-10 Mark Mitchell <mark@codesourcery.com>
1155 * output.h (make_function_rtl): Remove prototype.
1156 (make_decl_rtl): Likewise.
1157 * varasm.c (make_function_rtl): Remove.
1158 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
1159 than from a third parameter.
1160 * tree.h (make_decl_rtl): Remove last parameter.
1161 * c-decl.c (builtin_function): Remove last argument in call to
1162 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
1163 (start_function): Likewise.
1164 * except.c (call_get_eh_context): Likewise.
1165 * expr.c (emit_block_move): Likewise.
1166 (clear_storage): Likewise.
1167 * profile.c (output_func_start_profiler): Likewise.
1168 * toplev.c (rest_of_decl_compilation): Likewise.
1169 * objc/objc-act.c (create_builtin_decl): Likewise.
1170 (synth_module_prologue): Likewise.
1171 (generate_static_reference): Likewise.
1172 (build_selector_reference_decl): Likewise.
1173 (build_class_reference_decl): Likewise.
1174 (build_objc_string_decl): Likewise.
1175 (build_protocol_reference): Likewise.
1177 2001-01-10 Richard Henderson <rth@redhat.com>
1179 * hwint.h: Revert yesterday's change.
1181 2001-01-10 Nick Clifton <nickc@redhat.com>
1183 * function.h (save_machine_status): Delete.
1184 (restore_machine_status): Delete.
1185 Amend comment describing {init|mark|free}_machine_status.
1187 * function.c (save_machine_status): Delete.
1188 (restore_machine_status): Delete.
1189 Amend comment describing {init|mark|free}_machine_status.
1190 (push_function_context_to): Remove invocation of
1191 save_machine_status.
1192 (pop_function_context_from): Remove invocation of
1193 restore_machine_status.
1195 * emit-rtl.c (init_emit_once): Amend comment describing
1196 {init|mark|free}_machine_status.
1198 * tm.texi (Per-Function Data): New node. Describe the
1199 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
1202 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1204 * cppinit.c (OPT_g): Remove.
1205 (cpp_handle_option): Update for removed -g3.
1206 (print_help): Update.
1207 * cpplib.h (struct cpp_options): Remove debug_output.
1208 * cppmain.c (setup_callbacks, cb_define): Update.
1209 * gcc.c (cpp_options): Translate -g3 to -dD.
1211 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
1213 * config/i960/i960.md: Change modifier to + on the zero_extract
1214 pattern after the (rotate -2 reg) canonicalization pattern.
1216 2001-01-10 Richard Henderson <rth@redhat.com>
1218 * config/alpha/alpha.c (alpha_free_machine_status): New.
1219 (override_options): Install it.
1220 (alpha_mark_machine_status): Verify machine non-null.
1221 * config/i386/i386.c (ix86_free_machine_status): New.
1222 (override_options): Install it.
1223 (ix86_init_machine_status): Use xcalloc.
1224 (ix86_mark_machine_status): Verify machine non-null.
1225 * config/ia64/ia64.c (ia64_free_machine_status): New.
1226 (ia64_override_options): Install it.
1227 (ia64_mark_machine_status): Verify machine non-null.
1229 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
1231 * function.c (instantiate_virtual_regs): Instantiate virtual
1232 registers found in CALL_INSN_FUNCTION_USAGE.
1234 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1236 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
1237 equivalent to -ansi in disabling -Di386.
1239 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
1241 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
1243 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
1245 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
1247 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
1249 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1251 * invoke.texi: Document that -fcond-mismatch isn't supported for
1254 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
1256 * gcc.texi: Define macro gcctabopt.
1257 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
1258 @command, @env and @option in some places where appropriate. Use
1259 @gcctabopt where appropriate. Put URLs and email addresses inside
1262 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
1264 * gcc.c (cpp_options): Set MD file name from output
1265 filename, if specified.
1266 (suffix_subst): New static variable.
1267 (do_spec): Clear it.
1268 (do_spec_1, case '.'): Handle new `%.suffix' spec.
1270 (give_switch): Handle suffix_subst.
1272 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1274 * invoke.texi: Fix another typo.
1276 2001-01-10 Phil Edwards <pme@sources.redhat.com>
1278 * invoke.texi: Fix typo.
1280 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
1282 * c-lang.c (lang_hooks): Update.
1283 (lang_decode_option): Remove.
1284 (lang_init_options): Rename c_init_options.
1285 * toplev.c (main): Use lang_hooks for lang_init_options
1286 and lang_decode_option.
1287 * toplev.h (lang_hooks): Add 2 new hooks.
1288 * tree.h: Remove lang_init_options and lang_decode_option.
1289 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
1290 * cp/decl2.c: Similarly.
1291 * cp/lex.c (lang_init_options): Rename cxx_init_options.
1292 (lang_hooks): Update.
1293 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
1295 (lang_init_options): Rename ffe_init_options.
1296 (lang_hooks): Update.
1297 (lang_decode_option): Remove.
1298 * java/lang.c (lang_init_options): Rename java_init_options.
1299 (lang_decode_option): Rename java_decode_option.
1300 (lang_hooks): Update.
1301 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
1302 (lang_decode_option): Rename objc_decode_option.
1303 (lang_hooks): Update.
1305 2001-01-09 Nick Clifton <nickc@redhat.com>
1307 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
1308 (d30v_return_addr_rtx): Delete.
1309 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
1310 cfun->machine structure.
1311 (struct machine_function): Move to d30v.h
1312 (d30v_save_machine_status): Delete.
1313 (d30v_restore_machine_status): Delete.
1314 (d30v_init_machine_status): New Function.
1315 (d30v_mark_machine_status): New Function.
1316 (d30v_free_machine_status): New Function.
1317 (d30v_init_expanders): Use new functions.
1318 (d30v_return_addr): Use ra_rtx field in cfun->machine.
1319 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
1320 d30v_return_addr_rtx.
1322 * config/d30v/d30v.h (struct_machine): Move here.
1323 Add eh_epilogue_sp_ofs field.
1325 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
1326 field in cfun->machine structure.
1328 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
1330 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
1331 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
1332 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1334 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
1336 * objc/lang-options.h: Remove bogus reference to
1339 2001-01-09 Kazu Hirata <kazu@hxi.com>
1341 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
1344 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
1346 * reload.c (find_reloads_address): Check for eliminable registers
1347 when substituting a constant expression for a pseudo.
1349 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
1351 * c-common.c (enum format_type): Add format_type_error.
1352 (decode_format_type): New function.
1353 (decl_attributes): Use it.
1354 (format_kind_info): Adjust comment.
1356 2001-01-09 David O'Brien <obrien@BSDi.com>
1358 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
1359 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
1361 * config/i386/gnu.h: Don't include required platform specific .h files,
1362 tm.h will do it instead.
1363 * config/i386/i386elf.h: Likewise.
1364 * config/i386/linux.h: Likewise.
1365 * config/i386/moss.h: Likewise.
1366 * config/mips/gnu.h: Likewise.
1368 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1370 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
1371 (rs6000-ibm-aix3.[01]*): Likewise.
1372 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
1373 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
1374 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
1375 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
1376 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
1377 (powerpc-*-eabiaix*): Likewise.
1378 (powerpc-*-eabisim*): Likewise.
1379 (powerpc-*-elf*): Likewise.
1380 (powerpc-*-eabi*): Likewise.
1381 (powerpc-*-rtems*): Likewise.
1382 (powerpc-*-linux*libc1): Likewise.
1383 (powerpc-*-linux*): Likewise.
1384 (powerpc-wrs-vxworks*): Likewise.
1385 (powerpcle-wrs-vxworks*): Likewise.
1386 (powerpcle-*-sysv*): Likewise.
1387 (powerpcle-*-elf*): Likewise.
1388 (powerpcle-*-eabisim*): Likewise.
1389 (powerpcle-*-eabi*): Likewise.
1390 (powerpcle-*-solaris2*): Likewise.
1391 * config/rs6000/aix31.h: Delete includes.
1392 * config/rs6000/aix3newas.h: Likewise.
1393 * config/rs6000/aix41.h: Likewise.
1394 * config/rs6000/aix43.h: Likewise.
1395 * config/rs6000/beos.h: Likewise.
1396 * config/rs6000/rtems.h: Likewise.
1397 * config/rs6000/sysv4.h: Likewise.
1399 2001-01-09 Kazu Hirata <kazu@hxi.com>
1401 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
1402 Change an argument mode of machine_mode to shift_mode of
1403 shift_mode. Remove an extra error check.
1404 (emit_a_shift): Adopt to the new calling prototype of
1406 (function_prologue): Fix code for a monitor
1407 function. Support H8/S.
1408 (function_epilogue): Do not output pop for a monitor function.
1410 2001-01-09 Nick Clifton <nickc@redhat.com>
1412 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
1413 (setup_incoming_varargs): Use sysv_varargs_p field of the
1414 cfun->machine structure.
1415 (struct machine_function): Move to rs6000.h
1416 (rs6000_save_machine_status): Delete.
1417 (rs6000_restore_machine_status): Delete.
1418 (rs6000_init_machine_status): New Function.
1419 (rs6000_free_machine_status): New Function.
1420 (rs6000_init_expanders): Use new functions.
1422 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
1424 (struct machine_function): Move here.
1426 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
1427 sysv_varargs_p field of the cfun->machine structure.
1429 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
1431 (rs6000_restore_machine_status): Remove prototype.
1433 2001-01-09 Richard Henderson <rth@redhat.com>
1435 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
1436 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
1437 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
1438 (sched_analyze_2, sched_analyze_insn): Likewise.
1439 (sched_analyze, init_deps): Likewise.
1440 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
1441 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
1442 (compute_block_backward_dependences): Update propagate_deps call.
1444 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
1446 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
1448 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1450 * cppinit.c (OPT_MD, OPT_MMD): Restore.
1451 (cpp_handle_option): Handle them.
1452 (cpp_post_options): Ensure one of -M or -MM is specified with
1453 any other -M? option.
1454 (init_dependency_output): Suppress output with -MG.
1456 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1459 * invoke.texi: Update.
1461 2001-01-09 Bernd Schmidt <bernds@redhat.com>
1463 * sh.md (reload_outsf): Generate recognizable patterns for
1466 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
1468 * c-lang.c (lang_hooks): Update.
1469 (lang_init): Rename c_init.
1470 (lang_finish): Remove.
1471 * toplev.c (compile_file): Use lang_hooks for lang_init ()
1473 * toplev.h (lang_hooks): Add init () and finish ().
1474 * tree.h (lang_init, lang_finish): Remove.
1475 * cp/tree.h (lang_init, lang_finish): Remove.
1476 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
1477 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
1479 (lang_init, lang_finish): Remove.
1480 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
1481 (lang_hooks): Update.
1482 * java/lang.c (lang_init): Rename java_init.
1483 (lang_finish): Remove.
1484 (lang_hooks): Update.
1485 * objc/objc-act.c (lang_init): Rename objc_init.
1486 (lang_finish): Remove.
1487 (lang_hoooks): Update.
1489 20001-01-09 Graham Stott <grahams@redhat.com>
1491 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
1492 after `ptr` is initialised.
1494 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1496 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
1497 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
1498 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
1499 stack adjusts, instead of r3.
1501 2001-01-09 Michael Hayes <mhayes@redhat.com>
1503 * flow.c (flow_loop_scan): Break out of ...
1504 (flow_loops_find) ... here.
1505 * basic-block.h (flow_loop_scan): New.
1506 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
1507 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
1509 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
1511 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
1513 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
1514 realloc()ing macro_buffer.
1516 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
1517 if it's wider than long and the target's long is wider than the
1520 2001-01-09 Mark Mitchell <mark@codesourcery.com>
1522 Remove support for using UWIN as a host machine.
1523 * configure.in: Issue an error message.
1524 * configure: Regenerated.
1525 * config.gcc: Remove xm_* UWIN configury.
1526 * config/i386/xm-uwin.h: Remove.
1528 2001-01-08 Nick Clifton <nickc@redhat.com>
1530 * config/v850/v850.c (ra_rtx): Delete.
1531 (v850_save_machine_status): Delete.
1532 (v850_restore_machine_status): Delete.
1533 (v850_init_machine_status): New function.
1534 (v850_mark_machine_status): New function.
1535 (v850_free_machine_status): New function.
1536 (v850_return_addr): Use ra_rtx field in machine structure.
1537 (v850_init_expanders): Use new functions.
1539 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
1540 * config/v850/v850.c: Change arguments to v850_output+* functions
1541 to take a const char *, to avoid compile time warning.
1542 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
1543 (USER_LABEL_PREFIX): Redefine.
1545 2000-01-08 Jim Wilson <wilson@redhat.com>
1547 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
1548 1 to unsigned HOST_WIDE_INT before left shift.
1550 2001-01-08 Nick Clifton <nickc@redhat.com>
1552 * config/arm/arm.c (arm_mark_machine_status): Check to see if
1553 the machine structure has been allocated.
1554 (arm_free_machine_status): New function: Free the machine
1555 specific function structure.
1557 2001-01-08 Richard Henderson <rth@redhat.com>
1559 * jump.c (simplejump_p): Revert last change.
1561 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
1563 * cppinit.c (init): Rename init_library.
1564 (cpp_create_reader): Update.
1565 * gcc.c (cpp_options): If -o given, use it as the target of
1568 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1570 * arm.c (arm_arch5e): New variable.
1571 (all_cores): XScale is a 5TE device.
1572 (arm_override_options): Set arm_arch5e.
1573 (arm_init_builtins): __builtin_prefetch is in arch5e.
1574 * arm.h (arm_arch5e): Declare it.
1576 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
1578 * arm.md (define_constants): Add defines for UNSPEC and
1579 UNSPEC_VOLATILE insns. Update all users.
1580 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
1581 * arm.c (multi_register_push, note_invalid_constants)
1582 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
1583 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
1584 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
1586 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
1588 * jump.c (jump_optimize_1): Use reversed_comparison_code
1589 instead of can_reverse_comparison_p.
1590 (jump_back_p): Likewise.
1591 (invert_exp_1): Likewise.
1592 (thread_jumps): Likewise.
1593 * simplify-rtx.c (simplify_unary_operation): Likewise.
1594 (simplify_ternary_operation): Likewise.
1595 * cse.c (find_comparison_args): Convert to use
1596 can_reverse_comparison_p.
1597 (record_jump_equiv): Likewise.
1599 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
1601 * arm.h (HARD_REGNO_RENAME_OK): Delete.
1602 (EPILOGUE_USES): Define.
1603 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
1604 automatically stack the LR if it isn't live.
1606 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
1608 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
1611 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
1613 * ggc-page.c (max_alignment): New structure.
1614 (MAX_ALIGNMENT): New macro.
1615 (init_ggc): Use it to round up the sizes in the
1616 extra_order_size_table.
1618 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1620 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
1623 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1625 * builtins.def (BUILT_IN_FPRINTF): New entry.
1627 * c-common.c (c_expand_builtin_fprintf): New function.
1628 (init_function_format_info): Handle __builtin_fprintf.
1629 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
1630 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
1632 * c-decl.c (duplicate_decls): Adjust comment.
1634 * extend.texi (fprintf): Document new builtin.
1636 2001-01-07 Richard Henderson <rth@redhat.com>
1638 * jump.c (simplejump_p): Recognize any single_set jump
1641 2001-01-07 Richard Henderson <rth@redhat.com>
1643 * configure.in (slibdir): Accept an --with-slibdir option.
1644 Use "test" not "[" in configure. Default to $(libdir).
1646 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
1648 * config/t-aix43 (SHLIB_INSTALL): Likewise.
1649 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
1650 (SHLIB_LINK): Create links for the soname.
1651 * config/mips/t-iris6: Likewise.
1652 * config/sparc/t-slibgcc: Likewise.
1653 * config/sparc/t-slibgcc-sld: Likewise.
1655 2001-01-07 Jakub Jelinek <jakub@redhat.com>
1657 * config/i386/i386.c (constant_call_address_operand): Accept
1658 (const (plus (symbol_ref) (const_int))).
1659 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
1660 constant_call_address_operand.
1662 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1664 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
1665 and LONG_LONG_TYPE_SIZE > 32.
1667 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1669 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
1670 the previous change.
1672 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
1674 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
1676 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
1677 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
1678 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
1681 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1683 * fix-header.c (read_scan_file): s/pfile/scan_in/.
1685 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1687 * c-lang.c (c_post_options): Call cpp_post_options.
1688 * objc/objc-act.c (objc_post_options): Similarly.
1689 * cppmain.c (main): Similarly.
1690 * fix-header.c (read_scan_file): Similarly.
1691 * cppinit.c (cpp_start_read): Move option consistency checks
1692 to cpp_post_options. Don't call init_dependency_output.
1693 If needed, add default target and main file dependency.
1694 (OPT_MD, OPT_MMD): Remove.
1696 (cpp_handle_option): Update for OPT_* changes.
1697 (cpp_post_options): New.
1698 (init_dependency_output): Command line -MF overrides environment
1699 variables. Don't set default target etc. Suppress output
1700 if dependencies are going to stdout.
1701 (print_help): Update.
1702 * cpplib.h (cpp_post_options): New.
1703 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
1705 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
1707 * jump.c (comparison_dominates_p): Support unordered compares.
1709 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
1711 * simplify-rtx.c (simplify_relational_operation): Always simplify
1712 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
1715 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
1717 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
1718 (nonzero_bits): Likewise.
1719 (simplify_comparison): Likewise.
1720 (num_sign_bit_copies): Likewise; return more sane value depending
1721 on STORE_FLAG_VALUE.
1722 (known_cond): Do not assume EQ to be always true for equivalent
1725 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
1727 * cse.c (fold_rtx): Handle unordered comparisons.
1729 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
1731 * rtlanal.c (set_of_1): New static function.
1732 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
1733 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
1734 reg_set_last_last_regno): Remove.
1735 (set_of): New global function.
1736 (set_of_data): New structure.
1737 (reg_set_p, reg_set_last): Revamp for set_of.
1738 * rtl.h (set_of): New.
1740 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
1742 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
1743 * extend.texi: Document _Exit builtin.
1745 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1747 * (initialize, initialize_builtins,
1748 initialize_dependency_output, initialize_standard_includes):
1749 Rename s/initialize/init. Update.
1750 (init_dependency_output): Move to after
1751 cpp_handle_options, the correct location temporally at least.
1752 (opt_comp): Move next to init (), its caller. Fix prototype.
1753 (init): Make "initialized" local scope.
1754 (cpp_create_reader): Always call init ().
1755 (cpp_start_read): Update.
1756 (output_deps): New function, broken out of cpp_finish.
1757 (cpp_finish): Break out output_deps.
1759 2001-01-07 Richard Henderson <rth@redhat.com>
1761 * collect2.c (COFF specific stuff): Revert 12-06 patch
1762 to prototype system functions.
1764 2001-01-07 Michael Hayes <mhayes@redhat.com>
1766 * hard-reg-set.h: Add multiple include guard.
1767 * basic-block.h (struct loop): Add `sink' field.
1768 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
1769 (emit_iv_add_mult): Delete.
1770 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
1771 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
1772 (unroll_loop): Remove end_insert_before argument.
1773 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
1774 (maybe_eliminate_biv_1): Likewise.
1775 (emit_iv_add_mult): Delete.
1776 (gen_add_mult, loop_regs_update): New.
1777 (loop_insn_emit_after, loop_insn_emit_before): New.
1778 (loop_insn_sink, loop_insn_sink_or_swim): New.
1779 (emit_iv_add_mult): Delete.
1780 (scan_loop): Set loop->sink.
1781 (loop_givs_reduce): Use loop_insn_sink and its ilk.
1782 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
1783 (maybe_eliminate_biv_1): Likewise.
1784 (maybe_eliminate_biv_1): Add basic block argument.
1785 * unroll.c (unroll_loop): Remove end_insert_before argument.
1786 (find_splittable_regs): Likewise.
1787 (find_splittable_regs): Use loop_insn_sink and its ilk.
1788 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
1790 2001-01-07 Michael Hayes <mhayes@redhat.com>
1792 * loop.h (loop_insn_hoist): New prototype.
1793 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
1794 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
1795 (check_dbra_loop, load_mems): Likewise.
1796 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
1797 (find_splittable_givs): Likewise.
1799 2001-01-07 Michael Hayes <mhayes@redhat.com>
1801 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
1803 2001-01-07 Richard Henderson <rth@redhat.com>
1805 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
1807 2001-01-07 Richard Henderson <rth@redhat.com>
1809 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
1810 NO_SHARED_LIBGCC_MULTILIB as required for the target.
1811 * gcc.c (init_spec): Massage the existing libgcc_spec into a
1812 variant that handles a shared libgcc.
1813 (process_command): Always validate -{static,shared}-libgcc.
1814 (do_spec_1): New 'M' case.
1815 * invoke.text (Link Options): Document -{static,shared}-libgcc.
1817 2001-01-07 Richard Henderson <rth@redhat.com>
1819 * Makefile.in (slibdir): New variable.
1820 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
1821 (installdirs): Create slibdir.
1822 (install-libgcc, install-multilib): Defer to libgcc.mk.
1823 * configure.in (slibdir): Substitute.
1824 * mklibgcc.in (install): New target.
1826 * config/t-linux (SHLIB_LINK): Create links for the soname.
1827 (SHLIB_INSTALL): New.
1828 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
1829 * config/mips/t-iris6 (SHLIB_INSTALL): New.
1830 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
1831 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
1832 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
1834 2001-01-07 Richard Henderson <rth@redhat.com>
1836 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
1837 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
1838 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
1840 2001-01-07 Michael Hayes <mhayes@redhat.com>
1842 * loop.c (count_loop_regs_set): Delete.
1843 (load_mems_and_recount_loop_regs_set): Delete.
1844 (loop_regs_scan): Merge common code from count_loop_regs_set,
1845 scan_loop, and load_mems_and_recount_loop_regs_set.
1846 (scan_loop): Call load_mems directly and loop_regs_scan
1847 again if new registers created.
1849 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1851 * toplev.c (main): Call the front-end specific post_options
1852 hook if one is given.
1853 * toplev.h (struct_lang_hooks, lang_hooks): New.
1854 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
1855 for the C front end.
1856 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
1857 lang_hooks for the C++ front end.
1858 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
1859 lang_hooks for the ObjC front end.
1860 * f/com.c (lang_hooks): Hooks for the Fortran front end.
1861 * java/lang.c (lang_hooks): Hooks for the Java front end.
1863 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
1865 * c-lex.c (init_c_lex): Request #define / #undef callbacks
1866 for verbose DWARF[2] debugging.
1867 (cb_define, cb_undef): The new callbacks.
1868 * toplev.h (debug_define, debug_undef): Make const correct.
1869 * toplev.c (debug_define, debug_undef): Similarly. Do not
1870 perform the verbosity tests here anymore.
1872 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
1874 * reload.c (subst_reloads): Take INSN argument. When
1875 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
1876 * reload.h (subst_reloads): Adjust prototype.
1877 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
1878 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
1879 present in JUMP_INSNs and copy them to JUMP_LABEL.
1880 * flow.c (find_label_refs, find_basic_blocks_1): Skip
1881 JUMP_INSNs and insns with REG_LABELs that are followed by
1882 JUMP_INSNs with the same REG_LABEL.
1883 * sched-rgn.c (is_cfg_nonregular): Likewise.
1884 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
1886 * unroll.c (unroll_loop): Look for REG_LABEL notes in
1888 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
1890 2001-01-06 Richard Henderson <rth@redhat.com>
1892 * loop.c (scan_loop): Use xcalloc for the regs array.
1893 (load_mems_and_recount_loop_regs_set): Zero the new memory
1894 received from xrealloc.
1896 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
1898 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
1900 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
1902 * integrate.c (copy_rtx_and_substitute): When copying
1903 an ignored return value, strip REG_FUNCTION_VALUE_P.
1905 2001-01-06 Michael Hayes <mhayes@redhat.com>
1907 * loop.c (debug_biv, debug_giv): New.
1908 (loop_biv_dump): Break out from ...
1909 (record_biv): ... here.
1910 (loop_giv_dump): Break out from ...
1911 (record_giv): ... here.
1912 (loop_bivs_check): Use print_simple_rtl.
1913 * unroll.c (loop_iterations): Use print_simple_rtl.
1915 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
1917 * pa.md (return, return_internal): Modify patterns to prevent regrename
1918 mucking with the return pointer.
1920 2001-01-05 Richard Henderson <rth@redhat.com>
1922 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
1924 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
1926 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
1927 version supplied by Matteo Frigo.
1929 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
1931 * cpp.texi: Update for -MQ.
1932 * cppinit.c (cpp_create_reader): Always create pfile->deps.
1933 (cpp_cleanup): Always free pfile->deps.
1934 (initialize_dependency_output): Don't create pfile->deps.
1935 (cpp_handle_option): Similarly.
1937 * gcc.c (cpp_options): Handle -MQ.
1938 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
1939 * mkdeps.c (base_name): Remove.
1940 (deps_init): Don't allocate vector space until it's needed.
1941 (deps_free): Only free vectors if allocated.
1942 (deps_add_target, deps_add_dep): Update for initial allocation.
1943 (deps_add_default_target): Don't strip to the base_name.
1945 2001-01-05 DJ Delorie <dj@redhat.com>
1947 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
1948 (INIT_EXPANDERS): Define.
1950 * config/v850/v850.c (struct machine_function): Define.
1951 (v850_save_machine_status): New function.
1952 (v850_restore_machine_status): New function.
1953 (v850_return_addr): New function.
1954 (v850_init_expanders): New function.
1956 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
1957 and v850_init_expanders.
1959 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
1961 * cpplib.h (struct cpp_reader): Add help_only field.
1962 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
1963 (cpp_handle_option): Set pfile->help_only if we see -h,
1964 --help, -target-help, or --version. Print version string but
1965 do not set help_only if we see -v or -version. Make text
1966 printed by -v match that printed by (-)-version.
1968 * cppmain.c (main): Exit after option parsing if
1969 pfile->help_only is true.
1971 * toplev.c (independent_decode_option): Call print_version,
1972 then exit, if we see --version (but not -version).
1973 (print_version): Split lengthy message into two lines.
1975 2001-01-05 Nick Clifton <nickc@redhat.com>
1977 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
1978 temporary string for initialisation before calling ggc_alloc_string.
1980 2001-01-06 Michael Hayes <mhayes@redhat.com>
1982 * rtl.h (print_simple_rtl): New.
1983 * print-rtl.c (print_simple_rtl): New.
1985 (print_rtx): Disable printing of flags and modes, etc.,
1986 if `flag_simple` nonzero.
1988 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
1990 * function.c (fixup_var_refs): Use push_to_full_sequence where
1993 2001-01-05 Michael Meissner <meissner@redhat.com>
1995 * flags.h (flag_reorder_blocks): Add declaration.
1996 (flag_rename_block): Ditto.
1998 2001-01-05 DJ Delorie <dj@redhat.com>
2000 * function.c (reorder_blocks): Make sure the flags are all reset
2001 before using them to mark blocks, else a second invocation will
2002 corrupt the block chain.
2003 (reorder_blocks_0): New, resets the flags.
2005 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
2007 * cse.c (find_comparison_args): Stop if the argument is known to
2010 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2012 * config/sh/sh.md (movdf): When splitting load into pair of
2013 registers, don't clobber the register used in the address too
2016 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
2018 * varasm.c (mark_constant_pool): Improve initial comments.
2019 (mark_constants): Move marking of constants to mark_constant.
2020 (mark_constant): New function to recursively mark all constants
2021 referred to by a constant.
2023 2001-01-05 Catherine Moore <clm@redhat.com>
2025 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
2027 2001-01-05 Phil Edwards <pme@sources.redhat.com>
2029 * cp/lang-options.h: Bring comment in line with reality.
2030 * f/lang-options.h: Likewise.
2031 * java/lang-options.h: Likewise.
2032 * objc/lang-options.h: Likewise.
2033 * ch/lang-options.h: Likewise.
2034 * f/g77.texi: And update the manual.
2036 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
2037 Denis Chertykov <denisc@overta.ru>
2039 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
2040 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
2041 * config/avr/avr.md (all peepholes that request a scratch register):
2042 Call it, FAIL the peephole if not safe (in interrupt functions).
2044 2001-01-05 Mark Mitchell <mark@codesourcery.com>
2046 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
2048 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
2050 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
2052 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
2053 BUILT_IN_CREAL and BUILT_IN_CIMAG.
2054 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
2055 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
2056 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
2058 * extend.texi: Document these builtins.
2060 2001-01-05 Daniel Berlin <dberlin@redhat.com>
2062 * c-common.c (lang_get_alias_set): Say we know nothing of
2063 VECTOR_TYPE aliasing.
2065 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
2067 2001-01-05 Bruce Korb <bkorb@gnu.org>
2069 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
2070 their x* equivalent versions for atexit-less systems
2071 * fixinc/fixincl.c(main): do not return from main() on atexit-less
2072 systems (or any other system any more).
2074 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
2076 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
2077 output operands. Use arm_hard_register_operand for operand 4.
2078 (stmsi_postinc): Similarly.
2079 (ldmsi): Use arm_hard_register_operand for opernand 2.
2081 * arm.c (arm_hard_register_operand): New function.
2082 * arm-protos.h (arm_hard_register_operand): Prototype it.
2084 * arm.h (HARD_REGNO_RENAME_OK): Define.
2086 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
2088 * simplify-rtx.c (cfc_args): add "unordered" field.
2089 (check_fold_consts): Set unordered field.
2090 (simplify_relational_operation): Simplify the unordered
2093 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
2096 * emit-rtl.c (try_split): Fix code to mark labels.
2097 * jump.c (mark_jump_label): Make global.
2098 * rtl.h (mark_jump_label): Declare.
2100 * predict.c (estimate_probability): Handle unordred comparisons.
2102 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
2104 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
2105 * cppinit.c (initialize_dependency_output): Update.
2106 (cpp_finish): Output dummy targets for -MP.
2108 (cpp_handle_option): Handle -MP. Don't quote -MT options.
2109 * cpplib.h (struct cpp_options): Add deps_phony_targets.
2110 * gcc.c (cpp_options): Update to handle -MP.
2111 * mkdeps.c (deps_add_target, deps_add_default_target): Update
2112 to quote only the default target.
2113 (deps_phony_targets): Insert a preceding newline. Rename from
2114 deps_dummy_targets for consistency.
2117 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2119 * calls.c (emit_library_call_value_1): Support
2120 INIT_CUMULATIVE_LIBCALL_ARGS.
2121 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
2123 2001-01-04 Richard Henderson <rth@redhat.com>
2125 * c-decl.c (finish_struct): Detect flexible array members
2126 used in an inappropriate context.
2127 * c-typeck.c (really_start_incremental_init): Special case
2128 constructor_max_index for zero length arrays.
2129 (pop_init_level): Allow initialization of flexible array
2130 members. Deprecate initialization of zero length arrays.
2131 Don't issue missing initializer warning for flexible array
2132 members or zero length arrays.
2133 (process_init_element): Don't dereference null DECL_SIZE.
2134 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
2135 Don't abort for empty constructors. Use size_binop
2136 (output_constructor): Add commentary regarding zero length
2137 array futures. Abort if we try to initialize an array of
2138 unspecified length with a non-empty constructor in the middle
2141 * extend.texi (Zero Length): Update and clarify documentation
2142 on static initialization.
2144 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2146 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
2147 with more than 32767 words of local storage.
2149 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2151 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
2152 for 'abs', 'labs', and 'fabs'.
2153 (c4x_expand_builtin): Likewise.
2154 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
2156 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
2158 * config/sh/sh.md (prget, prset): New insn types.
2159 (return delay slot): Dont' allow prset.
2160 (call, sfunc delay slot): Don't allow prget.
2161 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
2162 for prset and prget.
2164 2001-01-05 Michael Hayes <mhayes@redhat.com>
2166 * loop.h (struct loop_reg): New.
2167 (struct loop_regs): Change to use array of `struct loop_reg'.
2168 * loop.c: Replace assortment of varrays with single regs array.
2169 (count_one_set): Delete may_not_move array argument
2170 and use regs array instead. All caller's changed.
2171 (count_loop_regs_set): Delete may_not_move and single_usage
2172 arguments and use regs array instead. All caller's changed.
2173 (find_single_use_in_loop): Replace usage array argument with pointer
2174 to regs structure. All caller's changed.
2175 (loop_optimize): Delete `moved_once' array.
2177 2001-01-05 Michael Hayes <mhayes@redhat.com>
2179 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
2180 Use it instead of loop_info->has_call for scanning loop mems.
2181 (check_dbra_loop): Replace loop_info->has_call test with
2182 loop_info->has_nonconst_call.
2184 2000-01-04 Matthew Hiller <hiller@redhat.com>
2186 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
2189 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2191 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
2192 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
2194 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
2196 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
2197 (flag_short_double, flag_short_wchar): Define.
2198 (c_common_nodes_and_builtins): Create many tree nodes shared
2199 between C and C++ here instead of in cp/decl.c and ...
2200 * c-decl.c (init_decl_processing): ... here.
2201 (SIZE_TYPE, WCHAR_TYPE): Don't define.
2202 (flag_short_double, flag_short_wchar): Don't define.
2203 (record_builtin_type): New function.
2204 (build_void_list_node): New function.
2205 * c-common.h (flag_short_double, flag_short_wchar,
2206 record_builtin_type, build_void_list_node): Declare.
2208 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
2210 * integrate.c (expand_inline_function): Don't put a virtual
2211 register into the reg map.
2213 * function.c (fixup_var_refs_1): If force_operand didn't put
2214 the address into the target, move it there.
2216 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2218 Special-case tree_decl/tree_list allocations.
2219 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
2220 (OBJECT_SIZE): New macro.
2221 (NUM_EXTRA_ORDER): Likewise.
2222 (extra_order_size_table): New variable.
2223 (NUM_ORDERS): New macro.
2224 (objects_per_page_table): New variable.
2225 (object_size_table): New variable.
2226 (G.pages): Use NUM_ORDERS to bound the array.
2227 (G.page_tails): Likewise.
2228 (DIV_ROUND_UP): Remove.
2229 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
2230 (alloc_page): Use OBJECT_SIZE.
2231 (size_lookup): Don't make it const.
2232 (ggc_alloc): Use OBJECT_SIZE.
2233 (ggc_set_mark): Likewise.
2234 (ggc_get_size): Likewise.
2235 (init_ggc): Set up the object_size_table, objects_per_page_table,
2236 and adjust size_lookup.
2237 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
2238 (ggc_pop_context): Use NUM_ORDERS.
2239 (clear_marks): Likewise.
2240 (sweep_pages): Likewise.
2241 (poison_pages): Likewise.
2242 (ggc_print_statistics): Use OBJECT_SIZE.
2244 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2246 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
2247 Only call array_size_for_constructor if last field and array type
2248 with no upper bound.
2250 2001-01-04 Philip Blundell <philb@gnu.org>
2252 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
2253 from bit 31 downwards, if this requires no more insns.
2254 (count_insns_for_constant): New helper function for above.
2256 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
2258 * gencodes.c (output_predicate_decls): Remove empty initializer.
2260 2001-01-04 Mark Mitchell <mark@codesourcery.com>
2262 * tree.c (copy_node): Remove documentation about obstacks.
2263 (buidl1): Check that nobody tries to build 2-argument nodes this
2266 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2268 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
2271 * gencodes.c (output_predicate_decls): Fill empty initializer
2274 2001-01-04 Jakub Jelinek <jakub@redhat.com>
2276 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
2277 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
2279 (do_include): Handle missing headers like cpp0.
2280 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
2281 paths with first include pathname. Don't strcat to uninitialized
2284 2001-01-04 Bernd Schmidt <bernds@redhat.com>
2286 * regrename.c (regrename_optimize): Don't rename from frame pointer
2287 if frame_pointer_needed.
2288 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
2289 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
2290 (ia64_reorg): Use it instead of scheduling if ! optimize.
2291 (errata_emit_nops): Properly call asm_noperands.
2292 (ia64_sched_reorder): Finish cycle if we see an asm.
2293 (ia64_variable_issue): Clear scheduling state after asms.
2295 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
2297 * cpp.texi: Update for -MT.
2298 * cppinit.c (initialize_dependency_output): Add a default
2299 target if none has been given already.
2300 (no_tgt, OPT_MT): New.
2301 (cpp_handle_option): Handle -MT. Update -M etc.
2302 * cpplib.h (struct cpp_options): Remove deps_target.
2303 * gcc.c (cpp_options): Handle -MT.
2304 * mkdeps.c (struct deps): Move from mkdeps.h.
2305 (deps_calc_target): Rename deps_add_default_target. Add a
2306 default target if none has been specified already.
2307 * mkdeps.h (struct deps): Move to mkdeps.c.
2308 (deps_calc_target): Rename deps_add_default_target.
2310 2000-01-03 Richard Henderson <rth@redhat.com>
2312 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
2314 * c-typeck.c (push_init_level): Move checks for flexible array
2315 members and zero length arrays ...
2316 (pop_init_level): ... here. Silently discard empty initializations.
2318 * varasm.c (output_constructor): Update for sizeof change to
2321 * extend.texi (Zero Length): Clarify semantics.
2323 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2325 * configure.in (tm.h): Include isns-codes.h last.
2326 * configure: Rebuilt.
2328 2001-01-03 Richard Henderson <rth@redhat.com>
2330 * config/alpha/alpha.md (addvsi3, addvdi3): New.
2331 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
2333 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2335 * tradcpp.c (main): Make sure finclude() is called with a valid
2336 indepth value while handling -include.
2338 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2340 * gencodes.c (output_predicate_decls): New function.
2342 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
2343 even if it is not the first time machmode.h is #included.
2344 * config/sh/sh.c (fpul_operand): Declare MODE argument.
2345 * tm.texi (PREDICATE_CODES): Document predicate declarations.
2346 * gcc.texi (Copyright): Added 2001.
2348 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2350 * c-common.c (c_common_lang_init): New function. Warn if format
2351 warning options which only have effects when used with -Wformat
2352 are used without -Wformat.
2353 * c-common.h (c_common_lang_init): Declare.
2354 * c-lang.c (lang_init): Call c_common_lang_init.
2355 * objc/objc-act.c (lang_init): Call c_common_lang_init.
2357 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2359 * configure.in: Check for the mktemp command.
2360 * configure: Regenerate.
2361 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
2362 $TEMP. Create temporary files with mktemp, if available at
2363 configure time; otherwise use set -C. Remove temporary files
2366 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
2368 * configure.in: Require at least texinfo 4.0. Check for whether
2369 Pod::Man is sufficiently recent to regenerate GCC manpages.
2370 * configure: Regenerate.
2371 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
2373 (GENERATED_MANPAGES): Define.
2374 (generated-manpages): New target. Depend on cpp.1 as well as
2376 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
2377 configure to generated-manpages or empty) rather than on the
2378 manpages directly. Remove execute permission from installed
2379 gcov.1 as well as cpp.1.
2380 * cpp.1, gcov.1: Regenerate.
2382 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2384 * builtins.c (expand_builtin_strncmp): Use host_integerp and
2385 tree_low_cst. Allow using cmpstrsi in more cases.
2387 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2389 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
2392 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
2394 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
2395 * Makefile.in (HOST_CFLAGS): Mention build-make.
2397 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2399 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
2402 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2404 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
2407 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
2410 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
2411 reg_base_value and reg_known_value arrays.
2412 (init_alias_analysis): Add more cases to detect known values.
2413 * sched-deps.c (deps_may_trap_p): New function.
2414 (sched_analyze_2): Use it.
2416 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
2418 * combine.c (simplify_shift_const): Even if we're sign-extracting,
2419 don't discard an ASHIFTRT if we're shifting in a wider mode.
2421 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
2423 * toplev.c (rest_of_compilation): Don't print basic block information
2424 when CFG isn't up to date.
2426 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
2428 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
2429 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
2430 (UNALIGNED_SHORT_ASM_OP): Define.
2431 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
2433 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2435 * fold-const.c (fold_convert): Fix typo.
2437 2001-01-02 Richard Henderson <rth@redhat.com>
2439 * c-common.h (ASM_INPUT_P): New.
2440 * c-parse.in (asm): Set it when needed.
2441 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
2442 existance of an operand.
2444 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
2446 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
2447 (dwarf2out_frame_debug_expr): Likewise.
2448 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
2450 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
2452 * i386.c (ix86_split_to_parts): Return number of part required;
2454 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
2456 (ix86_split_long_move): Use number of part returned
2457 by ix86_split_to_parts
2458 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
2460 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
2461 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
2462 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
2463 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
2464 (ALIGN_MODE_128): Add TFmode.
2465 (IS_STACK_MODE): Likewise.
2466 (HARD_REGNO_NREGS): TFmode needs 3 registers.
2467 (HARD_REGNO_OK): Support TFmodes.
2468 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
2469 * i386.md (scheduler definitions): Use memory operand to determine
2470 fst/fld instructions; use mode attribute to determine real mode of
2472 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
2473 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
2475 2001-01-02 Mark Mitchell <mark@codesourcery.com>
2477 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
2479 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2481 * expr.c (store_constructor_field): Update ALIGN before calling
2484 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2486 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
2489 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
2491 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
2494 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
2496 * c-decl.c (start_function): Don't warn on third parameter to main.
2498 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2500 * tsystem.h: Define HAVE_DECL_GETOPT.
2502 2001-01-02 Philip Blundell <pb@futuretv.com>
2504 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
2507 2001-01-02 Richard Henderson <rth@redhat.com>
2509 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
2511 2001-01-02 Andreas Jaeger <aj@suse.de>
2513 * c-decl.c (c_decode_option): Remove support of
2516 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
2517 (W_options): Add -Wmissing-noreturn here.
2519 * flow.c: Define lang_missing_noreturn_ok_p.
2520 (check_function_return_warnings): Use it.
2522 * c-common.h: Declare lang_missing_noreturn_ok_p.
2524 * c-lang.c (c_missing_noreturn_ok_p): New function.
2525 (lang_init): Set lang_missing_noreturn_ok_p.
2527 * invoke.texi (Warning Options): Document this.
2529 2000-12-27 Phil Edwards <pme@sources.redhat.com>
2531 * extend.texi (C++ Extensions): New node for C++ attributes;
2532 describe init_priority and com_interface.
2533 * invoke.texi: Remove -finit-priority as it now has zero effect.
2534 * install.texi: Fix xref syntax.
2535 * md.texi: Likewise.
2537 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2539 * config.gcc (sparc64-wrs-vxworks*): New case.
2540 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
2542 * config/sparc/sparc.c (sparc_override_options): Do support different
2543 pointer and architecture size.
2544 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
2545 (POINTERS_EXTEND_UNSIGNED): Define.
2546 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
2547 (FUNCTION_MODE): Define to be Pmode.
2548 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
2550 * function.c (expand_function_end): Properly handle DECL_RESULT
2551 and copy when ptr_mode != Pmode.
2552 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
2554 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2556 * c-common.c (c_common_nodes_and_builtins): Set prototype
2557 parameters for __builtin_fputs, __builtin_fputc and
2558 __builtin_fwrite. Don't declare plain fputc as a builtin.
2560 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
2562 * loop.c (add_label_notes): Increment the label usage count when
2563 a note is added to an insn which refers to a CODE_LABEL.
2564 * gcse.c (add_label_notes): Likewise.
2566 2001-01-01 Andreas Jaeger <aj@suse.de>
2568 * loop.c (scan_loop): Use xmalloc to allocate movables.
2570 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
2572 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
2573 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
2574 * reload1.c (REGISTER_MOVE_COST): Likewise.
2575 * regclass.c (REGISTER_MOVE_COST): Likewise.
2576 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
2577 dimension. Adjust all users.
2578 (init_reg_sets_1): Iterate on all modes.
2579 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
2580 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
2581 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
2582 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
2583 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
2584 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
2585 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
2586 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
2587 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
2588 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
2589 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
2590 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
2591 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
2592 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
2593 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
2594 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
2595 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
2596 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
2597 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
2598 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
2599 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
2600 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
2601 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
2602 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
2603 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
2604 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
2605 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
2607 2001-01-01 Bernd Schmidt <bernds@redhat.com>
2609 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
2610 arg VARIES_P. Call it with extra arg.
2611 (true_dependence): Likewise.
2612 * rtl.h (rtx_addr_can_trap_p): Declare.
2613 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
2615 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
2616 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
2617 pic offset table register if it's zero. All callers changed.
2618 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
2620 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2622 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
2623 STRING_POOL_ADDRESS_P.
2625 * config/sparc/sparc.c (input_operand): Properly test for short op.
2627 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
2628 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
2629 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
2630 * config/sparc/elf.h: No longer include sol2.h.
2631 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
2632 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
2634 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
2636 2001-01-01 Michael Hayes <mhayes@redhat.com>
2638 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
2639 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
2640 (record_initial): Likewise.
2641 * unroll.c (copy_loop_body, loop_iterations): Likewise.
2642 (remap_split_bivs): Likewise.
2644 2001-01-01 Michael Hayes <mhayes@redhat.com>
2646 * loop.c (loop_ivs_free): New function.
2647 (strength_reduce): Break out from...
2649 2001-01-01 Michael Hayes <mhayes@redhat.com>
2651 * loop.h (struct iv): New.
2652 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
2653 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
2654 'reg_biv_class' fields with 'regs' and 'n_regs'.
2655 (struct ivs): Rename 'loop_iv_list' field to 'list'.
2656 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
2657 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
2659 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
2661 * resource.c (mark_referenced_resources): Abort() before
2662 attempting to mark a pseudo register.
2663 (mark_set_resources): Likewise.
2665 2001-01-01 Michael Hayes <mhayes@redhat.com>
2667 * loop.h (REG_IV_CLASS): New accessor macro.
2668 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
2669 * unroll.c (REG_IV_CLASS): Likewise.
2671 See ChangeLog.4 for earlier changes.
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