1 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
4 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
5 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
7 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
9 * Makefile.in: Adjust dependencies.
10 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
11 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
12 * alias.c (rest_of_handle_cfg, pass_cfg): New.
13 * bb-reorder.c (duplicate_computed_gotos): Make it static.
14 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
17 * bb-reorder.c (gate_duplicate_computed_gotos,
18 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
19 rest_of_handle_reorder_blocks, pass_reorder_blocks,
20 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
21 pass_partition_blocks): New.
22 * bt-load.c (gate_handle_branch_target_load_optimize,
23 rest_of_handle_branch_target_load_optimize,
24 pass_branch_target_load_optimize): New.
25 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
27 * cfglayout.c (pass_insn_locators_initialize): New.
28 * cfgrtl.c (pass_free_cfg): New.
29 * combine.c (gate_handle_combine, rest_of_handle_combine,
31 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
32 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
33 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
34 * except.c (pass_set_nothrow_function_flags,
35 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
37 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
38 rest_of_handle_shorten_branches, pass_shorten_branches,
39 rest_of_clean_state, pass_clean_state): New.
40 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
41 rest_of_handle_remove_death_notes, pass_remove_death_notes,
42 rest_of_handle_life, pass_life, rest_of_handle_flow2,
44 * function.c (pass_instantiate_virtual_regs, pass_init_function,
45 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
46 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
47 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
49 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
50 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
51 pass_rtl_ifcvt, gate_handle_if_after_combine,
52 rest_of_handle_if_after_combine, pass_if_after_combine,
53 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
54 pass_if_after_reload): New.
55 * integrate.c (pass_initial_value_sets): New.
56 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
57 pass_purge_lineno_notes): New.
58 * mode-switching.c (rest_of_handle_mode_switching,
59 pass_mode_switching): New.
60 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
61 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
63 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
64 pass_loop_optimize): New.
65 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
67 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
69 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
70 pass_postreload_cse): New.
71 * profile.c (gate_handle_profiling, pass_profiling,
72 rest_of_handle_branch_prob, pass_branch_prob): New.
73 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
74 pass_split_before_regstack, gate_handle_split_before_regstack,
75 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
76 rest_of_handle_split_all_insns, pass_split_all_insns): New.
77 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
78 pass_stack_regs): New.
79 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
80 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
81 pass_stack_adjustments): New.
82 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
84 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
85 pass_delay_slots, gate_handle_machine_reorg,
86 rest_of_handle_machine_reorg, pass_machine_reorg): New.
87 * rtl.h (extern void purge_line_number_notes): New.
88 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
89 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
91 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
93 * value-prof.c (gate_handle_value_profile_transformations,
94 rest_of_handle_value_profile_transformations,
95 pass_value_profile_transformations): New.
96 * var-tracking.c (gate_handle_var_tracking,
97 pass_variable_tracking): New.
98 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
100 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
101 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
102 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
103 rest_of_handle_old_regalloc, rest_of_handle_regrename,
104 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
105 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
106 rest_of_handle_gcse2, rest_of_handle_regmove,
107 rest_of_handle_tracer, rest_of_handle_if_conversion,
108 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
109 rest_of_handle_web, rest_of_handle_branch_prob,
110 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
111 rest_of_handle_jump_bypass, rest_of_handle_combine,
112 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
113 rest_of_handle_gcse, rest_of_handle_loop_optimize,
114 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
115 rest_of_handle_mode_switching, rest_of_handle_jump,
116 rest_of_handle_eh, rest_of_handle_stack_adjustments,
117 rest_of_handle_flow2, rest_of_handle_jump2,
118 rest_of_handle_peephole2, rest_of_handle_postreload,
119 rest_of_handle_shorten_branches, rest_of_clean_state,
120 rest_of_compilation): Remove.
122 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
123 * passes.c (dump_flags, in_gimple_form, all_passes,
124 all_ipa_passes, all_lowering_passes, register_one_dump_file,
125 register_dump_files, next_pass_1, last_verified, execute_todo,
126 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
127 from tree-optimize.c.
128 (init_optimization_passes): Moved from tree-optimize.c,
129 adding the RTL optimizations.
130 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
131 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
132 all_ipa_passes, all_lowering_passes, register_one_dump_file,
133 register_dump_files, next_pass_1, last_verified, execute_todo,
134 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
135 init_tree_optimization_passes, ipa_passes): Delete.
136 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
138 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
139 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
141 (ipa_passes): Remove.
142 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
143 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
144 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
145 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
146 (dump_info_p, dump_flag): Moved to tree-dump.h.
148 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
150 * passes.c (finish_optimization_passes): Use dump_begin
151 and dump_end, TDI_end.
152 (gate_rest_of_compilation): New.
153 (pass_rest_of_compilation): Use it.
154 (gate_postreload, pass_postreload): New.
155 * toplev.c (general_init): Rename init_tree_optimization_passes.
156 * toplev.h (init_tree_optimization_passes): Rename to
157 init_optimizations_passes.
158 * tree-dump.c (dump_flag): Make static.
159 (dump_files): Remove RTL dumps.
160 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
161 pass_cleanup_cfg, pass_free_cfg_annotations,
162 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
163 pass_init_datastructures, pass_fixup_cfg): Make non-static.
164 * tree-pretty-print.c: Include tree-pass.h.
165 * cgraph.c: Include tree-dump.h.
167 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
169 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
170 Only fall back to saying it points to readonly memory if
173 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
175 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
176 * config/m32r/m32r.c (m32r_compute_frame_size,
177 m32r_expand_prologue): Take current_function_profile into
178 account whenever we reference
179 current_function_uses_pic_offset_table.
180 (m32r_finalize_pic): Remove.
181 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
183 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
185 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
186 instead of $<. Don't remove ./as if it already exists.
188 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
191 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
192 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
193 for complex modes when generating code for PA 1.0.
194 (VALID_FP_MODE_P): New macro.
195 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
196 sets for all general and floating point modes. Align wide floating
197 point modes to even register boundaries to comply with architectural
199 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
200 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
201 (VALID_FP_MODE_P): New macro.
202 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
203 sets for all general and floating point modes. Align wide floating
204 point modes to even register boundaries to comply with architectural
207 2005-07-04 Diego Novillo <dnovillo@redhat.com>
209 * tree-dump.c (dump_files): Initialize dump number for .cgraph
212 2005-07-04 Diego Novillo <dnovillo@redhat.com>
214 * tree-ssa-structalias.c: Don't include expr.h.
216 2005-07-04 Diego Novillo <dnovillo@redhat.com>
218 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
221 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
223 Fix PR tree-optimization/22279
225 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
228 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
230 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
232 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
234 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
235 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
236 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
237 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
238 config/stormy16/stormy16.c, config/v850/v850.c,
239 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
240 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
241 Avoid "." or "\n" at end of diagnostics and capital letters at
242 start of diagnostics.
243 * combine.c, cse.c: Don't translate dump file output.
244 * toplev.c (print_version): Only translate output if going to
247 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
249 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
250 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
253 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
255 * pa.c (fix_range): Fix typo in comment.
257 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
259 * tree-vrp.c (extract_range_from_assert): Replace
260 fold (build (...)) with fold_build2.
262 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
264 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
265 gcc_gfc_char_table, init_dynamic_gfc_info): New.
266 (format_types_orig, handle_format_attribute): Add support for
269 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
271 * varasm.c (assemble_variable): Fix format specifier thinko.
273 2005-07-03 Ira Rosen <irar@il.ibm.com>
275 PR tree-optimization/22029 (and 22135)
276 * tree-pretty-print.c (dump_generic_node): Check that the node is not
277 a phi node before calling dump_vops.
279 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
281 * tree-dump.h (dump_string_field): Declare.
282 * tree-dump.c: Use it instead of dump_string.
283 (dump_string_field): Make non-static.
285 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
287 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
288 up the minimal CFG stuff always when optimize > 0. Call
289 split_all_insns_noflow in PIC case if needed.
291 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
292 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
295 * c-decl.c (c_write_global_declarations): Dump contents of
297 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
298 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
299 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
300 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
303 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
305 * c-common.h (GCC_DIAG_STYLE): Define.
306 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
307 version for format checking to 4.1.
308 * c-format.c: Include toplev.h after c-common.h.
309 (enum format_type): Add gcc_tdiag_format_type.
310 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
311 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
312 (format_types_orig): Add gcc_tdiag.
313 (init_dynamic_diag_info): Support gcc_tdiag formats.
314 (handle_format_attribute): Likewise.
315 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
316 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
317 version for format checking to 4.1.
318 (warning0, warning, error, pedwarn, sorry): Use
320 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
321 (finish_aliases_1): Do not use %qE.
322 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
323 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
325 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
326 parameter to unsigned HOST_WIDE_INT.
327 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
329 2005-07-02 David Edelsohn <edelsohn@gnu.org>
332 * expr.c (write_complex_part): Use adjust_address for MEM.
333 (read_complex_part): Same.
335 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
337 Fix PR tree-optimization/22280
339 * tree-sra.c (generate_element_init): Remove useless loop.
341 2005-07-02 Richard Henderson <rth@redhat.com>
343 * config/alpha/alpha.c (alpha_legitimize_address): Check for
345 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
347 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
350 * fold-const.c (fold_binary): Handle the return value of
351 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
352 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
354 2005-07-02 Jeff Law <law@redhat.com>
356 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
357 a eliminate type conversion which feeds an equality comparison
358 if the original type or either operand in the comparison is a
361 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
363 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
364 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
366 * config/avr/avr.c: Do not use '`' as left quote.
367 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
368 Remove "." from end of diagnostics. Make diagnostics start with
371 2005-07-02 Zack Weinberg <zack@codesourcery.com>
372 Joseph S. Myers <joseph@codesourcery.com>
374 * toplev.c (default_tree_printer): Handle setting location with
376 * c-objc.common.c (c_tree_printer): Likewise.
377 * c-format.c (gcc_diag_flag_specs): Add '+'.
378 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
379 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
381 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
382 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
383 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
384 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
385 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
386 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
387 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
388 format arguments where %J is used without %D.
390 2005-07-02 Jakub Jelinek <jakub@redhat.com>
392 * gcc.c (LINK_SSP_SPEC): Define.
393 (link_ssp_spec): New variable.
394 (LINK_COMMAND_SPEC): Add %(link_ssp).
395 (static_specs): Add link_ssp_spec.
396 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
397 * configure: Rebuilt.
398 * config.in: Rebuilt.
400 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
401 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
402 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
403 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
404 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
405 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
406 -0x7008(2) instead of reading __stack_chk_guard variable.
407 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
409 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
410 (stack_protect_set, stack_protect_test): Use *_tls* patterns
411 if TARGET_THREAD_SSP_OFFSET is defined.
412 (stack_tls_protect_set_si, stack_tls_protect_set_di,
413 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
416 2005-06-27 Richard Henderson <rth@redhat.com>
417 * libgcc-std.ver (GCC_4.1.0): New.
418 * libgcc.h (__stack_chk_guard): Declare.
419 (__stack_chk_fail, __stack_chk_fail_local): Declare.
420 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
421 * mklibgcc.in (lib2funcs): Add them.
423 2005-07-01 Richard Henderson <rth@redhat.com>
425 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
426 void * before struct sigcontext *.
427 (x86_fallback_frame_state): Likewise.
429 2005-07-01 James E. Wilson <wilson@specifixinc.com>
431 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
433 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
436 * tree-ssa-reassoc.c (should_transpose): Fix which operand
437 we check for SSA_NAME for.
439 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
441 Fix PR tree-optimization/22071
443 * tree-ssa-structalias.c (offset_overlaps_with_access): New
445 (get_constraint_for_component_ref): Use it.
447 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
450 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
451 print out the last new line.
453 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
455 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
456 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
457 * config/cris/cris.c (cris_conditional_register_usage): Adjust
458 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
459 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
460 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
461 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
462 (enum reg_class): New member CC0_REGS.
463 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
464 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
465 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
466 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
467 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
468 Adjust for register now described.
470 2005-07-01 Jakub Jelinek <jakub@redhat.com>
473 * config/i386/i386.md (stack_protect_test_si,
474 stack_protect_test_di): Add earlyclobber for scratch 3.
475 * config/rs6000/rs6000.md (stack_protect_testsi,
476 stack_protect_testdi): Add earlyclobber for scratch 3,
477 remove earlyclobber from scratch 4.
479 Older entries for 2005 can be found in ChangeLog-2005.