1 2004-01-09 Mark Mitchell <mark@codesourcery.com>
3 * expr.h (expand_expr): Make it a macro, not a function.
4 (expand_expr_real): New function.
5 * expr.c (store_expr): Adjust logic for deciding whether or not to
6 copy the value returned by expand_expr.
7 (expand_expr): Rename to ...
8 (expand_expr_real): ... this. Add alt_rtl parameter. Adjust
9 calls to language hooks.
10 * c-common.h (c_expand_expr): Adjust prototype.
11 * c-common.c (c_expand_expr): Add alt_rtl parameter.
12 * langhooks-def.h (lhd_expand_expr): Change prototype.
13 * langhooks.c (lhd_expand_expr): Add all_rtl parameter.
14 * langhooks.h (lang_hooks): Change type of expand_expr.
15 * stmt.c (stmt_status): Add x_last_expr_alt_rtl.
16 (last_expr_alt_rtl): Likewise.
17 (expand_expr_stmt_value): Set last_expr_alt_rtl.
18 (clear_last_expr): Clear it.
19 (expand_end_stmt_expr): Set RTL_EXPR_ATL_RTL.
20 (expand_end_bindings): Save and restor last_expr_alt_rtl.
21 * tree.def (RTL_EXPR): Give it an additional operand.
22 * tree.h (RTL_EXPR_ALT_RTL): New macro.
24 2004-01-09 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
26 * config/m32r/m32r.h (TARGET_CPU_CPP_BUILTINS): Add __m32r__.
27 * config/m32r/m32r.c (call26_operand): Allow in PIC mode.
29 2004-01-09 Kazu Hirata <kazu@cs.umass.edu>
32 * config/m32r/m32r.md: Replace (reg:SI 17) with (reg:CC 17)
33 or (ne:SI (reg:CC 17) (const_int 0)).
34 Be specific about modes wherever possible.
36 2004-01-09 Kazu Hirata <kazu@cs.umass.edu>
38 * config/m32r/m32r.c (m32r_expand_block_move): Call
39 gen_movestrsi_internal with two more arguments.
40 (m32r_output_block_move): Adjust operand numbers.
41 Properly update the source and destination pointers.
42 * config/m32r/m32r.md (movstrsi_internal): Use 'r' instead of
43 'r+'. Change the set detinations to match_operand.
45 2004-01-09 Kazu Hirata <kazu@cs.umass.edu>
47 * final.c (FIRST_INSN_ADDRESS): Remove.
48 (shorten_branches): Don't use FIRST_INSN_ADDRESS.
49 * system.h (FIRST_INSN_ADDRESS): Poison.
50 * config/avr/avr.h: Remove a comment about FIRST_INSN_ADDRESS.
51 * config/m32r/m32r-protos.h: Remove the prototype for
52 m32r_first_insn_address.
53 * config/m32r/m32r.c (m32r_first_insn_address): Remove.
54 * config/m32r/m32r.h (FIRST_INSN_ADDRESS): Likewise.
55 * doc/md.texi (FIRST_INSN_ADDRESS): Likewise.
57 2004-01-09 J. Brobecker <brobecker@gnat.com>
59 * dwarf2out.c (gen_enumeration_type_die): Return the DIE that
61 (is_ada_subrange_type): DIEs for enumeration subtypes should be
62 emitted as subrange types too.
63 (subrange_type_die): Add handling of enumeration subtypes.
65 2004-01-08 Richard Henderson <rth@redhat.com>
68 Revert: Sat Mar 30 14:08:55 CET 2002 Jan Hubicka <jh@suse.cz>
69 * i386.c (aligned_operand): Be prepared for SUBREGed registers.
70 (ix86_decompose_address): Use REG_P instead of GET_CODE (...) == REG.
71 (ix86_address_cost): Be prepared for SUBREGed registers.
72 (legitimate_address_p): Accept SUBREGed registers.
74 2004-01-08 Kelley Cook <kcook@gcc.gnu.org>
76 * Makefile.in: Rename configure.in to configure.ac
77 * doc/sourcebuild.texi: Likewise.
78 * configure: Regenerate.
79 * config.in: Regenerate.
81 2004-01-08 Stuart Hastings <stuart@apple.com>
83 * config/i386/i386.md: Typos in MMX/SSE immediate shifts.
85 2004-01-08 Jan Hubicka <jh@suse.cz>
87 * cgraphunit.c (cgraph_decide_inlining): Fix typo.
89 2004-01-08 Geoffrey Keating <geoffk@apple.com>
91 * config/rs6000/rs6000.md (cmptf_internal1): Correct branch offset.
92 (UNSPEC_FIX_TRUNC_TF): New constant.
93 (movtf_internal): Make splitter active only when insn is active.
94 (extenddftf2): Rewrite to properly load zero into low part.
95 (extenddftf2_internal): New.
96 (extendsftf2): Rewrite.
97 (truncdftf2): Correct length.
99 (fix_trunc_helper): New.
100 (fix_trunctfdi2): Use fix_trunc_helper.
101 (fix_trunctfsi2): Likewise.fix_trunc
102 (fix_trunctfsi2_internal): New.
104 * config/rs6000/rs6000.c (legitimate_lo_sum_address_p): lo_sum
105 addresses are legitimate on Darwin even when flag_pic.
106 (rs6000_legitimize_reload_address) [TARGET_MACHO]: Don't create
107 non-offsettable addresses for loads of TFmode constants.
109 2004-01-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
111 * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Actually emit
112 variables in the appropriate bss section.
114 2004-01-09 Alan Modra <amodra@bigpond.net.au>
116 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Ensure
117 target_flags has MASK_POWERPC64 when -m64.
118 * config/rs6000/rs6000.c (processor_target_table): Add MASK_POWERPC64
119 to 620, 630, power3, power4 and rs64a entries.
120 * config/rs6000/rs6000.h (MASK_64BIT): Expand comment.
122 2004-01-08 Richard Sandiford <rsandifo@redhat.com>
124 * simplify-rtx.c (simplify_immed_subreg): Fix construction of
125 floating-point constants.
127 2004-01-08 J. Brobecker <brobecker@gnat.com>
129 * dwarf2out.c (subrange_type_die): Add context_die parameter.
130 Create the subrange_type DIE using the given context DIE.
131 (modified_type_die): Update call to subrange_type_die.
133 2004-01-08 Zack Weinberg <zack@codesourcery.com>
135 * dwarf2.h, unwind-dw2-fde.h, unwind-pe.h, unwind.h:
136 Add multiple-include guard.
138 2004-01-08 Hartmut Penner <hpenner@de.ibm.com>
140 * gcc/config/rs6000/rs6000.c (easy_vector_constant): Accept
141 all vector constant loadable by vsplt*.
142 (output_vec_const_move): Likewise.
144 2004-01-07 Joseph S. Myers <jsm@polyomino.org.uk>
147 * c-typeck.c (comptypes): Only treat enumerated types in the same
148 translation unit as compatible with each other when they are the
150 * doc/extend.texi: Update.
152 2004-01-07 Joseph S. Myers <jsm@polyomino.org.uk>
155 * c-decl.c (grokdeclarator): Take type qualifiers of typedefed
156 array type from the array element type.
158 2004-01-07 Alan Modra <amodra@bigpond.net.au>
160 * config/rs6000/rs6000.c (rs6000_dbx_register_number): New function.
161 * config/rs6000/rs6000-protos.h (rs6000_dbx_register_number): Declare.
162 * config/rs6000/rs6000.h (DWARF_FRAME_REGNUM): Define.
163 (DWARF_REG_TO_UNWIND_COLUMN): Correct column adjustment and comment.
164 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Define.
166 2004-01-06 Eric Christopher <echristo@redhat.com>
168 * config/mips/mips.h (MDEBUG_ASM_SPEC): Change for dwarf2 default.
169 (DWARF2_DEBUGGING_INFO): Define.
170 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2.
171 * config/mips/openbsd.h (PREFERRED_DEBUGGING_TYPE): Remove.
172 * config/mips/iris6.h (SUBTARGET_ASM_DEBUGGING_SPEC): Only pass -g0
174 (SUBTARGET_ASM_OPTIMIZING_SPEC): Only pass O0 for irix as.
175 * config/mips/iris6gas.h (MDEBUG_ASM_SPEC): Remove.
176 * config/mips/iris5gas.h: Ditto.
177 (DBX_DEBUGGING_INFO): Remove.
178 (DWARF2_DEBUGGING_INFO): Ditto.
179 (MIPS_DEBUGGING_INFO): Ditto.
180 (PREFERRED_DEBUGGING_TYPE): Ditto.
181 * config/mips/elf.h (DWARF2_DEBUGGING_INFO): Remove.
182 (PREFERRED_DEBUGGING_TYPE): Ditto.
183 (SUBTARGET_ASM_DEBUGGING_SPEC): Ditto.
184 * config/mips/elf64.h: Ditto.
186 2004-01-06 Jan Hubicka <jh@suse.cz>
188 * Makefile.in (STAGEPROFILE_FLAGS_TO_PASS): Use -fprofile-generate.
189 (STAGEFEEDBACK_FLAGS_TO_PASS): Use -fprofile-use.
191 2004-01-06 Geoffrey Keating <geoffk@apple.com>
193 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Compile darwin-ldouble.c.
194 (TARGET_LIBGCC2_CFLAGS): Use -mlong-double-128.
195 * config/rs6000/darwin-ldouble.c: New.
197 * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg
199 (constant_subword): Delete.
200 * rtl.h (constant_subword): Delete prototype.
201 (immed_double_const): Is not in varasm.c.
202 * simplify-rtx.c (simplify_immed_subreg): New.
203 (simplify_subreg): Use simplify_immed_subreg.
205 * config/rs6000/rs6000.md (floatsitf2): Use expand_float rather
206 than trying to generate RTL directly.
207 (fix_trunctfsi2): Use expand_fix rather than trying to generate
210 * dwarf2out.c (add_const_value_attribute): Remove incorrect comment.
212 2004-01-06 David Edelsohn <edelsohn@gnu.org>
214 * config/rs6000/xcoff.h (EXTRA_SECTION_FUNCTIONS): Split each
215 function into a separate macro.
216 (read_only_data_section): Add void argument.
217 (private_data_section): Same.
218 (read_only_private_data_section): Same.
221 2004-01-06 Jan Hubicka <jh@suse.cz>
223 * invoke.texi: Remove typo in last change.
226 * config.gcc: Accept opteron and athlon-64 as variants
228 * i386.c (override_options): Likewise.
229 * invoke.texi (i386 -mtune): Expand documentation.
231 2004-01-06 Kazu Hirata <kazu@cs.umass.edu>
233 * alias.c: Fix comment typos.
234 * builtins.c: Likewise.
237 * dominance.c: Likewise.
238 * dwarf2out.c: Likewise.
239 * emit-rtl.c: Likewise.
242 * fold-const.c: Likewise.
244 * genattrtab.c: Likewise.
245 * genrecog.c: Likewise.
246 * gensupport.c: Likewise.
247 * ggc-zone.c: Likewise.
248 * integrate.c: Likewise.
249 * local-alloc.c: Likewise.
252 * regmove.c: Likewise.
253 * reg-stack.c: Likewise.
255 * rtlanal.c: Likewise.
257 * sched-ebb.c: Likewise.
258 * simplify-rtx.c: Likewise.
259 * toplev.c: Likewise.
260 * varasm.c: Likewise.
262 2004-01-06 Kazu Hirata <kazu@cs.umass.edu>
264 * doc/install.texi: Fix typos.
265 * doc/invoke.texi: Likewise.
266 * doc/md.texi: Likewise.
268 2004-01-06 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
270 * config/m32r/m32r.h (TRAMPOLINE_LINE_SIZE): Changed
272 2004-01-06 Jan Hubicka <jh@suse.cz>
274 * i386.c (init_cumulative_args): Add handling of MMX_REGPARM.
275 (function_arg_advance): Do not pass aggregates in SSE; deal handling
277 (function_arg): Add new warnings about ABI changes; fix SSE_REGPARM;
279 * i386.h (ix86_args): Add mmx_words/mmx_regs/mmx_regno fields.
280 (SSE_REGPARM_MAX): Default to 3 on i386 -msse ABI.
281 (MMX_REGPARM_MAX): Similarly for -mmmx.
283 2004-01-05 Kazu Hirata <kazu@cs.umass.edu>
285 * config/sh/linux.h: Fix comment formatting.
286 * config/sh/netbsd-elf.h: Likewise.
287 * config/sh/sh.c: Likewise.
288 * config/sh/sh.h: Likewise.
289 * config/sh/vxworks.h: Likewise.
291 2004-01-05 Kazu Hirata <kazu@cs.umass.edu>
293 * system.h (ASM_OUTPUT_MAIN_SOURCE_FILENAME): Poison.
294 * toplev.c (output_file_directive): Don't use
295 ASM_OUTPUT_MAIN_SOURCE_FILENAME.
297 2004-01-05 Daniel Berlin <dberlin@dberlin.org>
299 * ggc-zone.c: Remove everything in #ifdef USING_MALLOC_PAGE_GROUPS
300 (USING_MMAP): We don't support non-mmap.
301 (struct alloc_chunk): Steal 1 bit from typecode, use it to mark
303 (struct page_entry): Remove bytes_free.
304 (struct page_table_chain): Remove.
305 (struct globals): Remove page_table member.
306 (loookup_page_table_entry): Function deleted.
307 (set_page_table_entry): Ditto.
308 (ggc_allocated_p): No longer need page table lookups.
309 (ggc_marked_p): Ditto.
310 (alloc_small_page): Don't care about bytes_free anymore.
311 (alloc_large_page): Round up size.
312 (ggc_alloc_zone_1): Mark large objects as such, and calculate
313 their size the new way.
314 Remove page table lookups and setting.
315 (ggc_get_size): Calculate large object size the new way.
316 (sweep_pages): Redo to account for fact that we no longer have
318 (ggc_collect): No longer need to reincrement bytes_free.
319 (ggc_pch_alloc_object): Handle new large objects properly.
320 (ggc_pch_read): Put PCH stuff into it's own uncollected zone.
322 2004-01-05 Kazu Hirata <kazu@cs.umass.edu>
324 * doc/invoke.texi: Remove a page break.
326 2004-01-05 Kazu Hirata <kazu@cs.umass.edu>
328 * config/avr/avr.c (avr_output_function_prologue): Remove an
329 extra pair of curly braces.
331 2004-01-05 Kazu Hirata <kazu@cs.umass.edu>
333 * config/mn10300/mn10300.c: Fix comment formatting.
334 * config/mn10300/mn10300.h: Likewise.
336 2004-01-05 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
338 * tree.h: Update documentation on nothrow_flag.
339 * print-tree.c (print_node): Print TREE_NOTHROW as "align-ok" for
342 2004-01-05 Kazu Hirata <kazu@cs.umass.edu>
344 * doc/invoke.texi: Remove traces of dead ports.
346 2004-01-05 Richard Sandiford <rsandifo@redhat.com>
348 * doc/invoke.texi: Add documentation for the MIPS -mexplicit-relocs
351 2004-01-05 Richard Sandiford <rsandifo@redhat.com>
354 * coverage.c (coverage_counter_alloc): Set SYMBOL_FLAG_LOCAL for
356 * config/mips/mips.c (INTERNAL_SYMBOL_P): Delete.
357 (mips_classify_symbol): Always treat SYMBOL_REF_FLAG as indicating
358 string constants if TARGET_MIPS16. Use SYMBOL_REF_DECL to check
359 the binding of decl symbols, otherwise check SYMBOL_REF_LOCAL_P.
360 (mips_symbol_insns): Don't trust the local/global classification.
361 (m16_usym8_4, m16_usym5_4): Same mips16 change as mips_classify_symbol.
362 (override_options): Make -mabicalls -fno-unit-at-a-time imply
363 -mno-explicit-relocs.
364 (mips_encode_section_info): Don't use SYMBOL_REF_FLAG to distinguish
365 between local and global symbols.
367 2004-01-05 Richard Sandiford <rsandifo@redhat.com>
369 * config/mips/mips-protos.h (mips_dangerous_for_la25_p): Declare.
370 (mips_preferred_reload_class): Declare.
371 * config/mips/mips.h (DANGEROUS_FOR_LA25_P): Replace with function.
372 (EXTRA_CONSTRAINT): Update accordingly.
373 (PREFERRED_RELOAD_CLASS): Use mips_preferred_reload_class.
374 * config/mips/mips.c (mips_dangerous_for_la25_p): New function.
375 (mips_preferred_reload_class): New function. Prefer LEA_REGS if
376 mips_dangerous_for_la25_p.
377 (mips_secondary_reload_class): Use LEA_REGS rather than GR_REGS
378 if mips_dangerous_for_la25_p.
380 2004-01-05 Bernardo Innocenti <bernie@develer.com>
382 * config/m68k/m68k.c (output_andsi3): Fix signed/unsigned comparison
385 2004-01-04 Nathanael Nerode <neroden@gcc.gnu.org>
387 * configure.ac: Use AC_PROG_CPP_WERROR.
388 * configure: Regenerate.
390 2004-01-04 Zack Weinberg <zack@codesourcery.com>
392 * .cvsignore: Add autom4te.cache.
394 2004-01-04 Richard Sandiford <rsandifo@redhat.com>
396 * doc/invoke.texi: Revamp documentation of MIPS options. Remove
397 -mabi=meabi, -mabi-fake-default, -mmips-as, -mgas, -mmips-tfile,
398 -m4650, -mfix7000 and -(m)no-crt0. Put endianness options first,
399 then architecture options, then ABI options. General rewording.
401 2004-01-04 Joseph S. Myers <jsm@polyomino.org.uk>
404 * doc/extend.texi: Clarify definition of malloc attribute.
406 2004-01-04 Jan Hubicka <jh@suse.cz>
408 * Makefile.in (cgraph.o, cgraphunit.o): Add intl.h dependency.
409 * cgraph.c (create_edge, dump_cgraph): Update to use inline_failed
410 * cgraph.h (cgraph_edge): Replace inline_call by inline_failed
411 (cgraph_inline_p): Add extra argument reason.
412 * cgraphunit.c: Minor formating fixes.
413 cgraph_first_inlined_callee): New functions.
414 (record_call_1): Record builtins too.
415 (cgraph_analyze_function): Update inline_failed messages.
416 (cgraph_mark_functions_to_output, cgraph_expand_function, cgraph_inlined_into,
417 cgraph_inlined_callees, cgraph_estimate_growth): Update to use inline_failed.
418 (cgraph_check_inline_limits): Likewise; Add argument reason.
419 (cgraph_set_inline_failed): New static function.
420 (cgraph_decide_inlining_of_small_function, cgraph_decide_inlining): Set
422 (cgraph_inline_p): Add new argument reason.
423 * tree-inline.c (expand_call_inline): Update warning.
425 2004-01-03 Nathanael Nerode <neroden@gcc.gnu.org>
427 * configure.ac: Replace AC_INIT, AC_OUTPUT, AC_CANONICAL_SYSTEM
428 with modern equivalents.
429 * configure: Regenerate.
431 * configure.ac: Replace gcc_AC_CHECK_TYPE with AC_CHECK_TYPE.
432 * aclocal.m4 (gcc_AC_CHECK_TYPE): Remove.
433 * configure: Regenerate.
435 * doc/install.texi: Note that 'gcc' is now a 2.57 directory.
437 * configure.in: Rename to configure.ac.
438 * configure.ac: Renamed from configure.in; make minimum necessary
439 changes for autoconf 2.5x.
440 * aclocal.m4: Make minimum necessary changes for autoconf 2.5x.
441 * configure: Regenerate with autoconf 2.57.
443 2004-01-03 Kazu Hirata <kazu@cs.umass.edu>
445 * config/mips/linux.h: Fix comment formatting.
446 * config/mips/mips.c: Likewise.
447 * config/mips/mips.h: Likewise.
448 * config/mips/mips.md: Likewise.
449 * config/mips/netbsd.h: Likewise.
450 * config/mips/windiss.h: Likewise.
452 2004-01-02 Richard Henderson <rth@redhat.com>
454 * config/i386/i386.md (fp constant pool splitter): Reorg suppression
455 for sse and 387; add suppression for mmx.
457 2004-01-02 Andrew Pinski <pinskia@physics.uc.edu>
459 * loop.c (loop_optimize): Free all loops_info's mems.
461 * c-typeck.c (finish_init): Free spelling_base before
464 * cfgloop.c (flow_loops_find): Always free the sbitmap
467 * predict.c (estimate_probability): Free bbs after being
470 2004-01-02 Kazu Hirata <kazu@cs.umass.edu>
472 * config/mn10300/mn10300.h (PREDICATE_CODES): Add
473 const_8bit_operand and call_address_operand.
475 2004-01-02 Jan Hubicka <jh@suse.cz>
477 * cgraphunit.c (cgraph_optimize_function): Call optimize_inline_calls
478 when there is nothing to inline but warnings are requested.
479 (cgraph_decide_inlining): Fix memory leak.
481 2004-01-02 Jan Hubicka <jh@suse.cz>
483 * expr.c (store_constructor): Fix pasto in previous patch.
485 2004-01-02 Kazu Hirata <kazu@cs.umass.edu>
487 * config/i386/cygming.h: Fix comment formatting.
488 * config/i386/djgpp.h: Likewise.
489 * config/i386/gthr-win32.c: Likewise.
490 * config/i386/i386-interix.h: Likewise.
491 * config/i386/i386.c: Likewise.
492 * config/i386/i386.h: Likewise.
493 * config/i386/openbsd.h: Likewise.
494 * config/i386/winnt.c: Likewise.
495 * config/i386/xm-mingw32.h: Likewise.
497 2004-01-02 Joseph S. Myers <jsm@polyomino.org.uk>
499 * doc/gcc.texi, doc/invoke.texi, doc/install.texi: Update
500 copyright and last modification dates.
502 2004-01-02 Andreas Jaeger <aj@suse.de>, Gerald Pfeifer <gp@suse.de>
504 * doc/install.texi (Specific): Mention x86_64.
506 2004-01-01 Hans-Peter Nilsson <hp@bitrange.com>
508 * builtins.c (expand_builtin_apply_args_1) [STACK_GROWS_DOWNWARD]:
509 Call force_operand on plus_constant result.
511 2004-01-01 Jan Hubicka <jh@suse.cz>
513 * expmed.c (store_bit_field, extract_bit_field): Use new named patterns
514 * expr.c (store_constructor): Use vec_init pattern.
515 * genopinit.c (optabs): Initailize vec_set/vec_extract/vec_init.
516 * optabs.h (optab_index): ADD OTI_vec_set/OTI_vec_extract/OTI_vec_init
517 (vec_set_optab, vec_extract_optab, vec_init_optab): New.
518 * i386.md (vec_setv2df, vec_extractv2df, vec_setv4sf, vec_extractv4sf):
520 (sse2_unpc?pd): Fix pattern.
522 (sse2_movsd): Deal with movlpd too.
523 * i386.c (ix86_expand_builtin): Use sse2_movsd instead of sse2_movlpd.
524 (ix86_expand_vector_init): New.
525 * emmintrin.h (__mm_set_pd, __mm_set_ps): Use vector extensions.
526 * md.texi (vec_set, vec_extract): Document
528 2003-12-31 Jan Hubicka <jh@suse.cz>
531 * recog.c (validate_replace_rtx_1): Take care for RTL sharing inside
535 * toplev.c (dump_file_index): Reorder ce3 and bbro.
536 (dump_file): Likewise.
537 (rest_of_compilation): Likewise.
540 * cgraph.c (cgraph_function_possibly_inlined): Even with
541 flag_really_no_inline we inline always_inline functions.
542 * cgraphunit.c (cgraph_analyze_function): Clear inlinable flag
543 for non-always_inline functions when there is flag_really_no_inline.
544 (cgraph_decide_inlining): Limit work done when not inlining.
545 (cgraph_decide_inlining_incrementally): Likewise.
546 (cgraph_optimize_function): Check whether something got inlined.
547 * c-objc-common.c (c_disregard_inline_limits): Do not always inline
548 extern inline functions when not inlining.
550 * opts.c (decode_options): Disable crossjumping at -O1
551 * invoke.texi (-O1): Document change.
553 See ChangeLog.10 for earlier changes.