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1 2009-10-12  Jakub Jelinek  <jakub@redhat.com>
2
3         PR target/41680
4         * config/i386/i386.md (split after *testqi_ext_3_rex64): Only narrow
5         paradoxical subregs to prevent partial register stalls if the inner
6         mode is integer mode.
7
8 2009-10-12  Uros Bizjak  <ubizjak@gmail.com>
9
10         * config/i386/i386.md (*setcc_<mode>_2): Do not use ix86_expand_clear
11         to zero operand 0.
12
13 2009-10-12  Dodji Seketeli  <dodji@redhat.com>
14
15         PR c++/41570
16         * gcc/dwarf2out.c (template_parameter_pack_die,
17         gen_formal_parameter_pack_die): Use add_name_and_src_coords_attributes.
18
19 2009-10-12  Alexandre Oliva  <aoliva@redhat.com>
20
21         PR debug/41616
22         * tree-into-ssa.c (insert_phi_nodes_for): Build debug bind stmts
23         on updates too.
24         (maybe_register_def): Likewise.  Take stmt iterator.
25         (rewrite_update_stmt): Take stmt iterator and pass it on.
26         (rewrite_update_enter_block): Pass stmt iterator.
27
28 2009-10-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
29
30         * config/spu/spu.c (TARGET_BUILTIN_DECL): Define.
31         (spu_builtin_decl): New function.
32
33 2009-10-12  Uros Bizjak  <ubizjak@gmail.com>
34
35         * config/i386/i386.md (SWIM): New mode iterator.
36         (mov<mode>cc): Macroize expander from mov{qi,hi,si,di}cc patterns
37         using SWIM mode iterator.
38         (x86_mov<mode>cc_0_m1): Macroize insn from x86_mov{si,di}cc_0_m1
39         patterns using SWI48 mode iterator.
40         (*x86_mov<mode>cc_0_m1_se):  Macroize insn from
41         *x86_mov{si,di}cc_0_m1_se patterns using SWI48 mode iterator.
42         (*x86_mov<mode>cc_0_m1_neg): New insn pattern.
43         (*mov<mode>cc_noc): Macroize insn from *mov{hi,si,di}cc_noc
44         patterns using SWI248 mode iterator.
45         * config/i386/i386.c (ix86_expand_int_movcc): Update the call to
46         gen_x86_movdicc_0_m1_rex64 for renamed function
47
48 2009-10-11  Jose Ruiz  <ruiz@adacore.com>
49             Eric Botcazou  <ebotcazou@adacore.com>
50
51         PR target/33743
52         * config/sparc/sol2.h (MD_UNWIND_SUPPORT): Define.
53         * config/sparc/sol2-unwind.h: New file.
54
55 2009-10-11  Olivier Hainque  <hainque@adacore.com>
56             Eric Botcazou  <ebotcazou@adacore.com>
57
58         PR target/33743
59         * config/i386/sol2.h (MD_UNWIND_SUPPORT): Define.
60         * config/i386/sol2-unwind.h: New file.
61
62 2009-10-11  H.J. Lu  <hongjiu.lu@intel.com>
63
64         PR target/41665
65         * config/i386/i386.md (addsi_1_zext): Get the proper second
66         operand for lea.
67
68 2009-10-11  Richard Sandiford  <rdsandiford@googlemail.com>
69
70         * simplify-rtx.c (simplify_replace_rtx): Use rtx_equal_p for
71         all OLD_RTXes, not just REGs.  Use copy_rtx to create the
72         replacement value.
73
74 2009-10-11  Richard Guenther  <rguenther@suse.de>
75
76         * gimple.c (iterative_hash_type_name): Do not handle special
77         anonymous names.
78
79 2009-10-11  Uros Bizjak  <ubizjak@gmail.com>
80
81         * config/i386/i386.md (*setcc_di_1): New insn_and_split pattern.
82         (*setcc_si_1_and): Ditto.
83         (*setcc_si_1_movzbl): Ditto.
84         (*setcc_<mode>_2): Ditto.
85         (*setcc_qi): Rename from *setcc_1.
86         (*setcc_qi_slp): Rename from *setcc_2.
87
88         (*zero_extendqihi2_movzbw_and splitter): Use ix86_expand_clear.
89         (*zero_extendqisi2_movzbw_and splitter): Ditto.
90
91         * config/i386/i386.c (ix86_expand_clear): Remove reload_completed from
92         "if" condition, there is already assert with reload_completed present.
93
94 2009-10-11  Gerald Pfeifer  <gerald@pfeifer.com>
95
96         * plugin.c (try_init_one_plugin): Improve constness of variable err.
97
98 2009-10-10  Gerald Pfeifer  <gerald@pfeifer.com>
99
100         * doc/install.texi (Final install): Refer to
101         http://gcc.gnu.org/bugs/ for bug reporting.
102
103 2009-10-10  Peter Bergner  <bergner@vnet.ibm.com>
104
105         * configure.ac: Add test for dci instruction.
106         * configure: Regenerate.
107         * config.in: Likewise.
108         * config.gcc: Handle --with-cpu=476 and --with-cpu=476fp.
109         * doc/invoke.texi: Add cpu_type 476 and 476fp.
110         (-mmulhw): Add 476 to description.
111         (-mdlmzb): Likewise.
112         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=476.
113         * config/rs6000/rs6000.c (processor_costs): Add ppc476_cost.
114         (processor_target_table): Add 476 and 476fp entries.
115         (rs6000_override_options): Use ppc476_cost for PROCESSOR_PPC476.
116         (rs6000_issue_rate): Add CPU_PPC476.
117         * config/rs6000/rs6000.h (ASM_CPU_476_SPEC): Define.
118         (ASM_CPU_SPEC): Pass %(asm_cpu_476) for -mcpu=476 and -mcpu=476fp.
119         (processor_type): Add PROCESSOR_PPC476.
120         (EXTRA_SPECS): Add asm_cpu_476 string.
121         * config/rs6000/rs6000.md: (define_attr "type"): Add isel attribute.
122         (define_attr "cpu"): Add ppc476.
123         Include 476.md.
124         Update comments for 476.
125         (isel_signed, isel_unsigned): Change to use "isel" type attribute.
126         * config/rs6000/vxworks.h (CPP_SPEC): Handle 464 and 476.
127         Update copyright year.
128         * config/rs6000/476.md: New file.
129         * config/rs6000/40x.md: Add description for "isel" attribute.
130         Update copyright year.
131         * config/rs6000/440.md: Likewise.
132         * config/rs6000/603.md: Likewise.
133         * config/rs6000/6xx.md: Likewise.
134         * config/rs6000/7450.md: Likewise.
135         * config/rs6000/7xx.md: Likewise.
136         * config/rs6000/8540.md: Likewise.
137         * config/rs6000/cell.md: Likewise.
138         * config/rs6000/e300c2c3.md: Likewise.
139         * config/rs6000/e500mc.md: Likewise.
140         * config/rs6000/mpc.md: Likewise.
141         * config/rs6000/power4.md: Likewise.
142         * config/rs6000/power5.md: Likewise.
143         * config/rs6000/power6.md: Likewise.
144         * config/rs6000/power7.md: Likewise.
145         * config/rs6000/rios1.md: Likewise.
146         * config/rs6000/rios2.md: Likewise.
147         * config/rs6000/rs64.md: Likewise.
148
149 2009-10-10  Richard Guenther  <rguenther@suse.de>
150
151         PR tree-optimization/41654
152         * tree-ssa-ifcombine.c (ifcombine_ifandif): Properly canonicalize
153         a cond expr before calling gimple_cond_set_condition_from_tree.
154         (ifcombine_iforif): Likewise.
155
156 2009-10-09  Ian Lance Taylor  <iant@google.com>
157
158         * configure.ac: Use AC_SEARCH_LIBS to find dlopen.
159         * configure: Rebuild.
160
161 2009-10-09  Neil Vachharajani <nvachhar@google.com>
162
163         * doc/cpp.texi (Other Directives): Do not list #ident and #sccs as
164         deprecated.
165
166 2009-10-09  Richard Guenther  <rguenther@suse.de>
167
168         PR lto/41638
169         * target-def.h (TARGET_BUILTIN_DECL): Define.
170         (TARGET_INITIALIZER): Add TARGET_BUILTIN_DECL.
171         * target.h (struct gcc_target): Add builtin_decl target hook.
172         * doc/tm.texi (TARGET_BUILTIN_DECL): Document.
173         * lto-streamer-in.c (lto_get_builtin_tree): Fix handling of
174         target builtins.
175         * lto-streamer-out.c (lto_output_tree_pointers): Use sorry,
176         not gcc_unreachable.
177         (lto_output_builtin_tree): Sorry if the target does not support
178         streaming target builtins.
179         * config/rs6000/rs6000.c (TARGET_BUILTIN_DECL): Define.
180         (rs6000_builtin_decl): New function.
181         * config/i386/i386.c (TARGET_BUILTIN_DECL): Define.
182         (ix86_builtin_decl): New function.
183
184 2009-10-09  Jakub Jelinek  <jakub@redhat.com>
185
186         PR preprocessor/41445
187         * c-ppoutput.c (do_line_change): New function.
188         (cb_line_change): Use it.
189         (scan_translation_unit): Call do_line_change if
190         avoid_paste or PREV_WHITE and token location is on a different line
191         than print.src_line.
192
193         PR debug/40521
194         * dwarf2out.c (dwarf2out_init): Test whether
195         HAVE_GAS_CFI_SECTIONS_DIRECTIVE is non-zero instead of checking
196         it is defined.
197
198         PR rtl-optimization/41646
199         * calls.c (expand_call): For BLKmode types returned in registers
200         avoid likely spilled hard regs in copy_blkmode_from_reg generated
201         insns.
202
203 2009-10-09  Richard Guenther  <rguenther@suse.de>
204
205         PR tree-optimization/41634
206         * tree-ssa-dom.c (remove_local_expressions_from_table): Assert
207         we remove the correct elements.
208         (optimize_stmt): Make sure to update stmt operands before
209         optimizing redundancies.
210
211 2009-10-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
212
213         * config/s390/s390.md ("prefetch"): Remove stcmh for prefetching.
214
215 2009-10-09  Richard Guenther  <rguenther@suse.de>
216
217         PR driver/41637
218         * lto-wrapper.c (ltrans_output_file, flto_out, args_name): New
219         globals.
220         (lto_wrapper_exit): New function.
221         (fatal): Use it.
222         (fatal_perror): Likewise.
223         (fork_execute): Use global args_name, do not free it.
224         (run_gcc): Use global ltrans_output_file, flto_out, do not free them.
225         * lto-streamer.h: Remove duplicate prototypes.
226
227 2009-10-09  Richard Guenther  <rguenther@suse.de>
228
229         * cgraph.c (cgraph_create_edge): Check for NULL call_stmt
230         before calling stmt_can_throw_external.
231
232 2009-10-09  Eric Botcazou  <ebotcazou@adacore.com>
233
234         PR tree-optimization/40071
235         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Build a ref-all
236         pointer if the original data reference doesn't conflict with the
237         created vector data reference.  Fix long line.
238
239 2009-10-09  Uros Bizjak  <ubizjak@gmail.com>
240
241         * config/i386/i386.md (any_div): New code iterator.
242         (u): Handle div and udiv.
243         (sgnprefix): Ditto.
244         (<u>divqi3): Macroize insn from {,u}divqi3  using any_div
245         code iterator.
246         (lfloor<MODEF:mode><SWI48:mode>2): Macroize insn from
247         lfloor<mode>{si,di}2 patterns using SWI48 mode iterator.
248         (lceil<MODEF:mode><SWI48:mode>2): Macroize insn from
249         lceil<mode>{si,di}2 patterns using SWI48 mode iterator.
250
251 2009-10-08  Joseph Myers  <joseph@codesourcery.com>
252
253         * gcc.c (main): Remove trailing "." from diagnostics.
254
255 2009-10-08  Cary Coutant  <ccoutant@google.com>
256
257         Add support for debugging with ICF (Identical Code Folding).
258         * calls.c (debug.h): New #include.
259         (emit_call_1): Call virtual_call_token debug hook.
260         * common.opt (-fenable-icf-debug): New option.
261         * dwarf2out.c (dwarf2_debug_hooks): Add entries for new hooks (two
262         locations in the source).
263         (poc_label_num): New variable.
264         (dcall_entry, vcall_entry): New typedefs.
265         (dcall_table, vcall_table): New variables.
266         (struct vcall_insn): New type.
267         (vcall_insn_table): New variable.
268         (DEBUG_DCALL_SECTION, DEBUG_VCALL_SECTION): New macros.
269         (size_of_dcall_table): New function.
270         (output_dcall_table): New function.
271         (size_of_vcall_table): New function.
272         (output_vcall_table): New function.
273         (dwarf2out_direct_call): New function.
274         (vcall_insn_table_hash): New function.
275         (vcall_insn_table_eq): New function.
276         (dwarf2out_virtual_call_token): New function.
277         (dwarf2out_virtual_call): New function.
278         (dwarf2out_init): Allocate new tables and sections.
279         (prune_unused_types): Mark DIEs referenced from direct call table.
280         (dwarf2out_finish): Output direct and virtual call tables.
281         * final.c (final_scan_insn): Call direct_call and virtual_call
282         debug hooks.
283         * debug.h (struct gcc_debug_hooks): Add direct_call,
284         virtual_call_token, virtual_call hooks.
285         (debug_nothing_uid): New function.
286         * debug.c (do_nothing_debug_hooks): Add dummy entries for new hooks.
287         (debug_nothing_uid): New function.
288         * dbxout.c (dbx_debug_hooks): Add dummy entries for new hooks.
289         (xcoff_debug_hooks): Likewise.
290         * sdbout.c (sdb_debug_hooks): Likewise.
291         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
292         * doc/invoke.texi (-fenable-icf-debug): New option.
293
294 2009-10-08  Alexandre Oliva  <aoliva@redhat.com>
295
296         PR debug/41353
297         * regmove.c (regmove_backward_pass): Replace src with dst in the
298         debug insn, and check for dst before rather than after.
299
300 2009-10-08  Janis Johnson <janis187@us.ibm.com>
301
302         * config/rs6000/rs6000.c (rs6000_delegitimize_address): Remove.
303         (TARGET_DELEGITIMIZE_ADDRESS): Likewise.
304
305 2009-10-08  Jan Hubicka  <jh@suse.cz>
306
307         PR middle-end/41626
308         * cgraphbuild.c (record_reference): When parameter DATA is NULL,
309         do not mark cgraph nodes as needed.
310         (record_references_in_initializer): Add new only_vars parameter.
311         * cgraph.h (record_references_in_initializer): New parameter.
312         * varasm.c (assemble_variable): Update call.
313         * varpool.c (varpool_analyze_pending_decls): Always look for
314         referenced vars.
315
316 2009-10-08  Anatoly Sokolov  <aesok@post.ru>
317
318         * config/avr/avr.c (last_insn_address) Remove variable.
319         (expand_prologue): Don't initialise last_insn_address variable.
320         (final_prescan_insn): Don't output insn size.
321         * config/avr/avr.opt (msize): Remove switch.
322         * doc/invoke.texi (AVR Options): Remove documentation of -msize
323         switch.
324
325 2009-10-08  Adam Nemet  <anemet@caviumnetworks.com>
326
327         * combine.c (label_tick_ebb_start): Fix comment.
328         (combine_instructions): Set label_tick and label_tick_ebb_start before
329         calling setup_incoming_promotions.  Start them from 1.  Increment
330         label_tick instead of deriving it from the BB index.  Rather than
331         comparing ticks use the block from the previous iteration to decide
332         whether to start a new EBB.  Remove empty lines before function.
333
334 2009-10-08  Michael Matz  <matz@suse.de>
335
336         PR middle-end/41573
337         * builtins.c (fold_builtin_isascii): Use fold_build2.
338         (fold_builtin_isdigit): Ditto.
339         * except.c (duplicate_eh_regions_1): Tolerate NULL labels.
340         * tree-cfg.c (struct rus_data, remove_useless_stmts_warn_notreached,
341         remove_useless_stmts_cond, remove_useless_stmts_tf,
342         remove_useless_stmts_tc, remove_useless_stmts_bind,
343         remove_useless_stmts_goto, remove_useless_stmts_label,
344         remove_useless_stmts_1, remove_useless_stmts,
345         pass_remove_useless_stmts): Remove.
346         * tree-pass.h (pass_remove_useless_stmts): Don't declare.
347         * passes.c (init_optimization_passes): Don't add
348         pass_remove_useless_stmts.
349         * tree-eh.c (lower_eh_constructs_2): Handle empty cleanups.
350         * tree.c (free_lang_data_in_decl): Don't clear DECL_INITIAL of
351         static constants.
352         * lto-symtab.c (lto_symtab_register_decl): Accepts DECL_INITIAL
353         for static constants.
354         * lto-streamer-out.c (output_gimple_stmt): Handle GIMPLE_NOP.
355         * lto-streamer-in.c (input_gimple_stmt): Handle GIMPLE_NOP.
356
357 2009-10-08  Richard Guenther  <rguenther@suse.de>
358
359         * gimple.c (free_gimple_type_tables): New function.
360         * gimple.h (free_gimple_type_tables): Declare.
361
362 2009-10-07  Mark Heffernan  <meheff@google.com>
363
364         * ipa-prop.c (ipa_print_node_params) Only print
365         names of named arguments.
366
367 2009-10-08  Rafael Avila de Espindola  <espindola@google.com>
368
369         * gcc.c (LINK_COMMAND_SPEC): Pass libc with -pass-through if it is
370         being statically linked.
371
372 2009-10-08  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
373
374         * collect2.c (add_lto_object): Only define if OBJECT_FORMAT_NONE.
375
376 2009-10-08  Jan Hubicka  <jh@suse.cz>
377
378         PR bootstrap/41620
379         * ipa.c (cgraph_externally_visible_p,
380         function_and_variable_visibility,
381         whole_program_function_and_variable_visibility): Skip non-finalized
382         nodes.
383
384 2009-10-08  Nick Clifton  <nickc@redhat.com>
385
386         * config/mn10300/mn10300.h (CONSTANT_ADDRESS_P): Do not allow
387         CONST_DOUBLEs.
388
389 2009-10-08  Andreas Tobler  <a.tobler@schweiz.org>
390
391         PR bootstrap/37739
392         * config.host: Use config/x-cflags-O1 for powerpc FreeBSD.
393
394 2009-10-07  Joseph Myers  <joseph@codesourcery.com>
395
396         PR c/41182
397         * c-common.c (c_fully_fold_internal): Strip nops from the result
398         of recursive calls to c_fully_fold_internal.
399         (c_wrap_maybe_const): New.
400         (c_save_expr): Use c_wrap_maybe_const.
401         * c-common.h (c_wrap_maybe_const): Declare.
402         * c-typeck.c (build_conditional_expr, c_finish_stmt_expr,
403         build_binary_op): Use c_wrap_maybe_const.
404
405 2009-10-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
406
407         * real.c: Fix comment to reflect actual exponent size.
408
409 2009-10-08  Ben Elliston  <bje@au.ibm.com>
410
411         * config/rs6000/a2.md: Add FSF comment header.
412
413 2009-10-07  Uros Bizjak  <ubizjak@gmail.com>
414
415         * config/i386/i386.md (any_extend): New code iterator.
416         (u, s): New code attributes.
417         (sgnprefix): Ditto.
418         (DWIH): Rewrite as code iterator for SI and DI modes.
419         (DWI): Rewrite as mode attribute.
420         (dwi): New mode attribute.
421         (di): Depend on SI mode and DI mode.
422         (doubleint_general_operand): Remove mode attribute.
423
424         (*lea_1): Macroize insn from *lea_1_rex64 and *lea_1 patterns using
425         DWIH mode iterator.
426
427         (*add<mode>3_doubleword): Use DWIH as the base mode iterator.
428         (*sub<mode>3_doubleword): Ditto.
429
430         (mul<mode>3): Macroize expander from mul{hi,si,di}3 patterns
431         using SWIM248 mode iterator.
432         (*mul<mode>3_1): Macroize insn from mul{si,di}3_1 patterns
433         using SWI48 mode iterator.
434         (<u>mul<mode><dwi>3): Macroize expander from {,u}mul{sidi,diti}3
435         patterns using DWIH mode iterator and any_extend code iterator.
436         (<u>mulqihi3): Macroize expander from {,u}mulqihi3 patterns
437         using any_extend code iterator.
438         (*<u>mul<mode><dwi>3_1): Macroize insn from {,u}mul{sidi,diti}3_1
439         patterns using DWIH mode iterator and any_extend code iterator.
440         (*<u>mulqihi3_1): Macroize insn from {,u}mulqihi3_1 patterns
441         using any_extend code iterator.
442         (<s>mul<mode>3_highpart): Macroize expander from
443         {s,u}mul{si,di}3_highpart patterns using DWIH mode iterator
444         and any_extend code iterator.
445         (*<s>muldi3_highpart_1): Macroize insn from
446         *{s,u}muldi3_highpart_rex64 patterns using any_extend code iterator.
447         (*<s>mulsi3_highpart_1): Macroize insn from *{s,u}mulsi3_highpart_1
448         patterns using any_extend code iterator.
449         (*<s>mulsi3_highpart_zext): Macroize insn from
450         *{s,u}mulsi3_highpart_zext patterns using any_extend code iterator.
451
452 2009-10-07  Jakub Jelinek  <jakub@redhat.com>
453
454         * dwarf2out.c (tree_add_const_value_attribute_for_decl): Don't add
455         DW_AT_const_value if VAR_DIE already has DW_AT_abstract_origin
456         refering to a DIE with DW_AT_const_value.
457
458 2009-10-07  Vladimir Makarov  <vmakarov@redhat.com>
459
460         PR middle-end/22072
461         * ira-lives.c (check_and_make_def_conflict): Process all operands.
462
463 2009-10-06  Jan Hubicka  <jh@suse.cz>
464
465         * cgraph.c (cgraph_node_can_be_local): Handle externally visible nodes
466         correctly.
467
468 2009-10-06  Uros Bizjak  <ubizjak@gmail.com>
469
470         * config/i386/i386.md (*lea_1_rex64, *lea_1, *lea_1_zext,
471         *lea_2_rex64): Move before *add<mode>_1 pattern.
472
473 2009-10-07  Jan Hubicka  <jh@suse.cz>
474
475         * collect2.c (main): Add -fno-whole-program.
476         * gcc.c (set_collect_gcc_options): Do not remove whole program here.
477
478 2009-10-07  Jan Hubicka  <jh@suse.cz>
479
480         * lto-symtab.c (lto_cgraph_replace_node): Assert that inline clones
481         has no address taken.
482         * cgraph.c (cgraph_mark_needed_node): Assert that inline clones are
483         never needed.
484         (cgraph_clone_node): Clear externally_visible flag for clones.
485         * cgraph.h (cgraph_only_called_directly_p,
486         cgraph_can_remove_if_no_direct_calls_p): New predicates.
487         * tree-pass.h (pass_ipa_whole_program_visibility): Declare.
488         * ipa-cp.c (ipcp_cloning_candidate_p): Use new predicate.
489         (ipcp_initialize_node_lattices, ipcp_estimate_growth,
490         ipcp_insert_stage): Likwise.
491         * cgraphunit.c (cgraph_decide_is_function_needed): Do not compute
492         externally_visible flag.
493         (verify_cgraph_node): Verify that inline clones look right.
494         (process_function_and_variable_attributes): Do not set
495         externally_visible flags.
496         (ipa_passes): Avoid executing small_ipa_passes at LTO stage; they've
497         been already run.
498         * lto-cgraph.c (lto_output_node): Assert that inline clones are not
499         boundaries.
500         * ipa-inline.c (cgraph_clone_inlined_nodes): Use new predicates;
501         clear externally_visible when turning into inline clones
502         (cgraph_mark_inline_edge): Use new predicates.
503         (cgraph_estimate_growth): Likewise.
504         (cgraph_decide_inlining): Likewise.
505         * ipa.c (cgraph_postorder): Likewise.
506         (cgraph_remove_unreachable_nodes): Likewise; sanity check
507         that inline clones are not needed.
508         (cgraph_externally_visible_p): New predicate.
509         (function_and_variable_visibility): Add whole_program parameter;
510         always set externally_visible flag; handle COMDAT function
511         privatization.
512         (local_function_and_variable_visibility): New function.
513         (gate_whole_program_function_and_variable_visibility): New function.
514         (whole_program_function_and_variable_visibility): New function.
515         (pass_ipa_whole_program_visibility): New function.
516         * passes.c  (init_optimization_passes): Add whole program visibility
517         pass.
518         (do_per_function_toporder, function_called_by_processed_nodes_p): Do
519         not care about needed/reachable flags.
520         * varpool.c: Include flags.h
521         (decide_is_variable_needed): When doing LTO assume whole-program mode.
522         (varpool_finalize_decl): When we are in LTO read-back, all variables
523         are analyzed.
524         (varpool_analyze_pending_decls): Skip analyzis of analyzed vars.
525
526 2009-10-07  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
527
528         * config/s390/tpf.h (TARGET_DEFAULT): Remove MASK_HARD_FLOAT and
529         add MASK_HARD_DFP.
530
531 2009-10-07  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
532
533         * config.gcc: Don't include the makefile fragments intended for
534         libgcc.
535         * config/s390/fixdfdi.h: File removed.
536         * config/s390/libgcc-glibc.ver: File removed.
537         * config/s390/s390.h: Remove the fixdfdi.h hack.
538         * config/s390/t-crtstuff: File moved to libgcc dir.
539         * config/s390/t-linux: Likewise.
540         * config/s390/t-tpf: libgcc specific parts removed.
541         * config/s390/t-linux64: Likewise.
542
543 2009-10-06  Jerry Quinn  <jlquinn@optonline.net>
544
545         * Makefile.in (lto-wrapper): Use COMPILER and ALL_COMPILERFLAGS.
546         (lto-compress.o): Likewise.
547
548 2009-10-07  Danny Smith  <dannysmith@users.sourceforge.net>
549
550         PR target/41512
551         * config/i386/winnt.c (i386_pe_determine_dllexport_p): Don't propagate
552         dllexport to class members here.
553         (i386_pe_determine_dllimport_p): Only check static class data for
554         definition.
555         (i386_pe_encode_section_info): Don't recheck DECL_DLLIMPORT_P.
556         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Only check
557         functions for vague linkage.
558         (i386_pe_type_dllexport_p): Fix formatting.
559         (maybe_add_dllexport) New function.
560         (i386_pe_adjust_class_at_definition): Use it to propagate dllexport
561         to class members.
562
563 2009-10-07  Ben Elliston  <bje@au.ibm.com>
564
565         * config/rs6000/a2.md: Remove duplicated lines.
566
567 2009-10-07  Ben Elliston  <bje@au.ibm.com>
568
569         * config.gcc (powerpc*-*-*): Handle a2.
570         * config/rs6000/rs6000.md (cpu): Add ppca2.  Include "a2.md".
571         * config/rs6000/a2.md: New file.
572         * config/rs6000/rs6000.opt (mno-update): New.
573         (mupdate): Return to using a mask, not a var.
574         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add support for a2.
575         (enum processor_type): Add PROCESSOR_PPCA2.
576         * config/rs6000/rs6000.c (ppca2_cost): New costs.
577         (rs6000_override_options): Add "a2" to processor_target_table.
578         Update rs6000_always_hint logic.  Correctly set rs6000_cost for a2.
579         * doc/invoke.texi (RS/6000 and PowerPC Options): Document -mcpu=a2.
580
581 2009-10-06  Uros Bizjak  <ubizjak@gmail.com>
582
583         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
584         Use explicit gen_truncxfsf2 and gen_truncxfdf2 references to avoid
585         reference to nonexistent gen_truncxfxf2 function.
586
587 2009-10-06  Uros Bizjak  <ubizjak@gmail.com>
588
589         * config/i386/i386.md (SWI48, SDWIM, DWI): New mode iterators.
590         (DWIH, g, di, doubleint_general_operand): New mode attributes.
591         (general_operand): Handle TI mode.
592         (add<mode>3): Macroize expander from add{qi,hi,si,di,ti}3 patterns
593         using SDWIM mode iterator.
594         (*add<mode>3_doubleword): New insn_and_split pattern.  Macroize
595         pattern from *add{di,ti}3_1 patterns and corresponding splitters
596         using DWI mode iterator.
597         (add<mode>3_carry): Macroize insn from add{qi,hi,si,di}3_carry
598         patterns using SWI mode iterator.
599         (*add<mode>3_cc): Macroize insn from add{si,di}3_cc patterns
600         using SWI48 mode iterator.
601         (*add<mode>_1): Ditto from add{si,di}_1 patterns.
602         (*add<mode>_2): Ditto from add{si,di}_2 patterns.
603         (*add<mode>_3): Ditto from add{si,di}_3 patterns.
604         (*add<mode>_5): Ditto from add{si,di}_5 patterns.
605         (sub<mode>3): Macroize expander from sub{qi,hi,si,di,ti}3 patterns
606         using SDWIM mode iterator.
607         (*sub<mode>3_doubleword): New insn_and_split pattern.  Macroize
608         pattern from *sub{di,ti}3_1 patterns and corresponding splitters
609         using DWI mode iterator.
610         (sub<mode>3_carry): Macroize insn from sub{qi,hi,si,di}3_carry
611         patterns using SWI mode iterator.
612         (*sub<mode>_1): Ditto from from sub{qi,hi,si,di}_1 patterns.
613         (*sub<mode>_2): Ditto from sub{qi,hi,si,di}_2 patterns.
614         (*sub<mode>_3): Ditto from sub{qi,hi,si,di}_3 patterns.
615         (<plusminus_insn>xf3): Macroize expander from addxf3 and subxf3
616         patterns using plusminus code iterator.
617         (<plusminus_insn><mode>3): Macroize expander from add<mode>3 and
618         sub<mode>3 patterns using plusminus code iterator.
619         * config/i386/i386.c (override_options): Update the call to
620         gen_subdi_carry_rex64 for renamed function.
621         (ix86_expand_int_addcc): Update calls to gen_subdi3_carry_rex64
622         and gen_adddi3_carry_rex64 for renamed functions.  Use indirect
623         calls to instruction expanders.
624
625 2009-10-06  Martin Jambor  <mjambor@suse.cz>
626
627         PR bootstrap/41395
628         * opts.c (decode_options): Run IPA-SRA at -O2.
629
630 2009-10-06  Richard Guenther  <rguenther@suse.de>
631
632         * lto-symtab.c (lto_symtab_entry_hash): Hash strings, not pointers.
633
634 2009-10-06  Tobias Burnus  <burnus@net-b.de>
635
636         PR lto/41591
637         * doc/invoke.texi (-flto,-fwhole-program): Make clear that the
638         -flto and -fwhole-program flags can be combined.
639
640 2009-10-06  Ryan Mansfield  <rmansfield@qnx.com>
641
642         PR driver/41217
643         * gcc.c (process_command): Check that -o argument was specified.
644
645 2009-10-06  Jerry Quinn  <jlquinn@optonline.net>
646
647         * gimple.c (gimple_type_hash): Use CONST_CAST_TREE to fix compilation.
648
649 2009-10-05  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
650
651         * c.opt (Wjump-misses-init): Fix typo to enable for ObjC.
652         * doc/invoke.texi (Warning Options): Annotate allowed languages
653         for -Wunsuffixed-float-constants.
654
655 2009-10-05  Jakub Jelinek  <jakub@redhat.com>
656
657         * dwarf2out.c (modified_type_die): Don't add DW_AT_name to
658         DW_TAG_{const,volatile}_type if its DW_AT_type already has the
659         same name and isn't the main variant.
660
661         PR debug/41558
662         * dwarf2out.c (loc_by_reference): Removed.
663         (dw_loc_list_1): New function.
664         (dw_loc_list): Remove toplev argument, add want_address argument.
665         Don't look at decl_by_reference_p at all.  Use dw_loc_list_1.
666         (loc_list_from_tree) <case VAR_DECL>: Pass want_address rather than
667         want_address == 2 to dw_loc_list.  For successful dw_loc_list
668         set have_address to 1 only if want_address is not 0.
669
670 2009-10-05  Richard Sandiford  <rdsandiford@googlemail.com>
671
672         * config/mips/mips-protos.h (mips_trampoline_code_size): Declare.
673         * config/mips/mips.h (TRAMPOLINE_SIZE): Redefine as the size of
674         a code block followed by two pointers.
675         (TRAMPOLINE_ALIGNMENT): Define to 64 for 32-bit targets too.
676         * config/mips/mips.c (MIPS_LOAD_PTR): New macro.
677         (MIPS_MOVE): Likewise.
678         (MIPS_LUI): Likewise.
679         (MIPS_JR): Likewise.
680         (MIPS_BAL): Likewise.
681         (MIPS_NOP): Likewise.
682         (mips_asm_trampoline_template): Delete.
683         (mips_trampoline_code_size): New function.
684         (mips_trampoline_init): Add shorter sequences for all cases
685         except Pmode == DImoe && !TARGET_USE_PIC_FN_ADDR_REG.
686         Calculate the opcodes directly, rather than copying from a template.
687         Only flush the code part of the trampoline.
688         (TARGET_ASM_TRAMPOLINE_TEMPLATE): Delete.
689
690 2009-10-05  Richard Sandiford  <rdsandiford@googlemail.com>
691
692         * config/mips/mips.h (DWARF_FRAME_RETURN_COLUMN): Replace
693         GP_REG_FIRST + 31 with RETURN_ADDR_REGNUM.
694         (INCOMING_RETURN_ADDR_RTX): Likewise.
695         (FUNCTION_PROFILER): Likewise.  Replace GP_REG_FIRST + 1
696         with AT_REGNUM.
697         * config/mips/sdemtk.h (FUNCTION_PROFILER): Replace GP_REG_FIRST + 31
698         with RETURN_ADDR_REGNUM.
699         (MIPS_SAVE_REG_FOR_PROFILING_P): Likewise.
700         * config/mips/mips.c (mips16_build_call_stub): Replace
701         GP_REG_FIRST + 31 with RETURN_ADDR_REGNUM, GP_REG_FIRST + 1
702         with AT_REGNUM and 31 with RETURN_ADDR_REGNUM.
703         (mips_print_operand_punctuation): Likewise.
704         (mips_frame_set): Likewise.
705         (mips16e_output_save_restore): Likewise.
706         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
707         (mips_save_reg_p): Likewise.
708         (mips_return_addr): Likewise.
709         (mips_set_return_address): Likewise.
710         (mips_direct_save_slot_move_p): Likewise.
711         (mips_output_function_prologue): Likewise.
712         (mips_restore_reg): Likewise.
713         (mips_expand_epilogue): Likewise.
714         (mips_epilogue_uses): Likewise.
715         * config/mips/mips.md (RETURN_ADD_REGNUM): Define.
716         (*mov<mode>_ra): Use it instead of a hard-coded 31.
717         (clear_hazard_<mode>): Likewise.
718         (call_internal): Likewise.
719         (call_internal_direct): Likewise.
720         (call_direct_split): Likewise.
721         (call_value_internal): Likewise.
722         (call_value_split): Likewise.
723         (call_value_internal_direct): Likewise.
724         (call_value_direct_split): Likewise.
725         (call_value_multiple_internal): Likewise.
726         (call_value_multiple_split): Likewise.
727
728 2009-10-05  Eric Botcazou  <ebotcazou@adacore.com>
729             Jakub Jelinek  <jakub@redhat.com>
730
731         PR rtl-optimization/41511
732         * combine.c (record_value_for_reg): Pass explicit values as argument
733         to get_last_value_validate.
734         (get_last_value_validate): Document INSN parameter.
735         For non-readonly MEMs, assume they might have been modified if INSN
736         was in another basic block.
737         (get_last_value): Minor reformatting.
738
739 2009-10-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
740
741         PR tree-opt/40992
742         * final.c (asm_str_count): Split out from asm_insn_count.
743         * rtl.h (asm_str_count): New prototype.
744         * tree-inline (estimate_num_insns) <case GIMPLE_ASM>: Call
745         asm_str_count.
746
747 2009-10-05  Sriraman Tallam  <tmsriram@google.com>
748
749         * doc/plugins.texi: Change plugin_pass to register_pass_info.
750
751 2009-10-05  Basile Starynkevitch  <basile@starynkevitch.net>
752             Rafael Espindola  <espindola@google.com>
753
754         * gengtype.c (write_types): Moved call to write_func_for_structure
755         into seperate loops.
756
757 2009-10-05  Richard Guenther  <rguenther@suse.de>
758
759         PR lto/41281
760         * lto-cgraph.c (output_cgraph): Output toplevel asms.
761         (input_cgraph_1): Input toplevel asms.
762
763 2009-10-05  Richard Guenther  <rguenther@suse.de>
764
765         PR lto/40902
766         * lto-symtab.c (lto_compatible_attributes_p): Remove.
767         (external_aggregate_decl_p): Likewise.
768         (lto_symtab_compatible): Re-structure.  Remove dead code.
769         For variables ignore toplevel qualifiers when comparing types.
770         Issue warnings, not errors for mismatched user-alignment.
771
772 2009-10-05  Richard Guenther  <rguenther@suse.de>
773
774         PR lto/41552
775         PR lto/41487
776         * lto-symtab.c (struct lto_symtab_base_def): Remove.
777         (struct lto_symtab_identifier_def): Likewise.
778         (struct lto_symtab_decl_def): Likewise.
779         (struct lto_symtab_entry_def): New.
780         (lto_symtab_identifier_t): Rename to ...
781         (lto_symtab_entry_t): ... this.
782         (lto_symtab_decls): Remove.
783         (lto_symtab_base_hash): Rename to ...
784         (lto_symtab_entry_hash): ... this.
785         (lto_symtab_base_eq): Rename to ...
786         (lto_symtab_entry_eq): ... this.
787         (lto_symtab_base_marked_p): Rename to ...
788         (lto_symtab_entry_marked_p): ... this.
789         (lto_symtab_identifier_marked_p): Remove.
790         (lto_symtab_decl_marked_p): Likewise.
791         (lto_symtab_maybe_init_hash_tables): Rename to ...
792         (lto_symtab_maybe_init_hash_table): ... this.
793         (lto_symtab_set_resolution_and_file_data): Remove.
794         (lto_symtab_register_decl): New function.
795         (lto_symtab_get_identifier): Remove.
796         (lto_symtab_get): New function.
797         (lto_symtab_get_resolution): Adjust.
798         (lto_symtab_get_identifier_decl): Remove.
799         (lto_symtab_set_identifier_decl): Likewise.
800         (lto_symtab_merge_decl): Rename to ...
801         (lto_symtab_merge): ... this.  Rewrite.
802         (lto_symtab_merge_var): Remove.
803         (lto_symtab_merge_fn): Likewise.
804         (lto_symtab_prevailing_decl): Adjust.
805         (lto_cgraph_replace_node): New function.
806         (lto_symtab_merge_decls_2): Likewise.
807         (lto_symtab_merge_decls_1): Likewise.
808         (lto_symtab_fixup_var_decls): Likewise.
809         (lto_symtab_resolve_symbols): Likewise.
810         (lto_symtab_merge_decls): Likewise.
811         (lto_symtab_prevailing_decl): Adjust.
812         (lto_symtab_get_symtab_def): Remove.
813         (lto_symtab_get_file_data): Likewise.
814         (lto_symtab_clear_resolution): Adjust.
815         (lto_symtab_clear_resolution): Likewise.
816         * lto-cgraph.c (input_edge): Do not merge cgraph nodes here.
817         (input_cgraph_1): Likewise.
818         * lto-streamer-in.c (get_resolution): Do not provide fake
819         symbol resolutions here.
820         (deferred_global_decls): Remove.
821         (lto_register_deferred_decls_in_symtab): Likewise.
822         (lto_register_var_decl_in_symtab): Change signature, register
823         variable via lto_symtab_register_decl.
824         (lto_register_function_decl_in_symtab): Likewise.
825         (lto_read_tree): Adjust.
826         * lto-streamer.h (lto_register_deferred_decls_in_symtab): Remove.
827         (lto_symtab_merge_var): Likewise.
828         (lto_symtab_merge_fn): Likewise.
829         (lto_symtab_register_decl): Declare.
830         (lto_symtab_merge_decls): Likewise.
831
832 2009-10-05  Richard Guenther  <rguenther@suse.de>
833
834         PR tree-optimization/23821
835         * tree-vrp.c (vrp_finalize): Do not perform copy propagation.
836         * tree-ssa-dom.c (cprop_operand): Do not propagate copies into
837         simple IV increments.
838
839 2009-10-05  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
840
841         * config/arm/arm.c (arm_override_options): Really initialize
842         flag_dwarf2_cfi_asm to 0.
843
844 2009-10-05  Doug Kwan  <dougkwan@google.com>
845
846         PR rtl-optimization/41574
847         * combine.c (distribute_and_simplify_rtx): Quit if RTX mode is
848         floating point and we are not doing unsafe math optimizations.
849
850 2009-10-03  Simon Baldwin  <simonb@google.com>
851             Cary Coutant  <ccoutant@google.com>
852             Rafael Espindola  <espindola@google.com>
853             Richard Guenther  <rguenther@suse.de>
854             Jan Hubicka  <jh@suse.cz>
855             Doug Kwan <dougkwan@google.com>
856             H.J. Lu  <hongjiu.lu@intel.com>
857             Bill Maddox  <maddox@google.com>
858             Ryan Mansfield  <rmansfield@qnx.com>
859             Diego Novillo  <dnovillo@google.com>
860             Ollie Wild  <aaw@google.com>
861             Kenneth Zadeck <zadeck@naturalbridge.com>
862
863         * lto-cgraph.c: New file.
864         * lto-compress.c: New file.
865         * lto-compress.h: New file.
866         * lto-opts.c: New file.
867         * lto-section-in.c: New file.
868         * lto-section-out.c: New file.
869         * lto-streamer-in.c: New file.
870         * lto-streamer-out.c: New file.
871         * lto-streamer.c: New file.
872         * lto-streamer.h: New file.
873         * lto-symtab.c: New file.
874         * lto-wpa-fixup.c: New file.
875         * lto-wrapper.c: New file.
876
877 2009-10-03  Simon Baldwin  <baldwin@google.com>
878             Ben Elliston  <bje@au.ibm.com>
879             Rafael Espindola  <espindola@google.com>
880             Nathan Froyd  <froydnj@codesourcery.com>
881             Jan Hubicka  <jh@suse.cz>
882             Doug Kwan  <dougkwan@google.com>
883             Diego Novillo  <dnovillo@google.com>
884             Kenneth Zadeck  <zadeck@naturalbridge.com>
885
886         * Makefile.in (enable_lto): New.
887         (site.exp): If @enable_lto@ is set to 'yes' define ENABLE_LTO.
888         (LINKER_PLUGIN_API_H): Define.
889         (LTO_SYMTAB_H): Define.
890         (LTO_STREAMER_H): Define.
891         (TREE_VECTORIZER_H): Define.
892         (INCLUDES): Add LIBELFINC.
893         (OBJS-common): Add lto-cgraph.o, lto-streamer-in.o,
894         lto-streamer-out.o, lto-section-in.o, lto-section-out.o, lto-symtab.o,
895         lto-opts.o, lto-streamer.o, lto-wpa-fixup.o, lto-compress.o.
896         (MOSTLYCLEANFILES): Add lto-wrapper$(exeext)
897         (native): Add lto-wrapper$(exeext)
898         (lto-compress.o, lto-cgraph.o, lto-streamer-in.o,
899         lto-streamer-out.o, lto-section-in.o, lto-section-out.o,
900         lto-symtab.o, lto-opts.o, lto-streamer.o, lto-wpa-fixup.o): New rules.
901         (gimple.o): Add dependency on LTO_HEADER_H and LTO_SECTION_OUT_H.
902         (varasm.o): Add dependency on tree-iterator.h.
903         (cgraph.o): Add dependency on cif-code.def.
904         (ipa-reference.o): Add dependency on LTO_STREAMER_H.
905         (ipa-pure-const.o): Likewise.
906         (GTFILES): Add lto-symtab.c.
907         (install-lto-wrapper): New.
908         * configure.ac: If 'lto' is in enable_languages, define ENABLE_LTO
909         and enable_lto.  If LIBELFLIBS is set, define HAVE_libelf.
910         * config.in: Regenerate.
911
912 2009-10-03  Rafael Espindola  <espindola@google.com>
913             Diego Novillo  <dnovillo@google.com>
914
915         * cgraphunit.c (ipa_passes): Prevent lto1 from calling
916         ipa_write_summaries.
917         Call execute_ipa_summary_passes for all_regular_ipa_passes and
918         all_lto_gen_passes.
919         (cgraph_optimize): Make extern.
920
921 2009-10-03  Nathan Froyd  <froydnj@codesourcery.com>
922             Kenneth Zadeck <zadeck@naturalbridge.com>
923
924         * toplev.c (in_lto_p): Declare.
925         * collect2.c (scan_prog_file): Read all the output when reading
926         information for LTO.
927         (enum lto_mode_d): Declare.
928
929 2009-10-03  Richard Guenther  <rguenther@suse.de>
930             Diego Novillo  <dnovillo@google.com>
931
932         * gimple.c: Include target.h and alias.h.
933         (gimple_types): Declare.
934         (type_hash_cache): Declare.
935         (gimple_alloc_stat): Make extern.
936         (gimple_build_eh_must_not_throw): Call
937         gimple_eh_must_not_throw_set_fndecl.
938         (struct type_pair_d): Declare.
939         (type_pair_t): Declare.
940         (type_pair_hash): New.
941         (type_pair_eq): New.
942         (lookup_type_pair): New.
943         (gimple_force_type_merge): New.
944         (compare_type_names_p): New.
945         (compare_field_offset): New.
946         (gimple_types_compatible_p): New.
947         (struct sccs): Declare.
948         (next_dfs_num): Declare.
949         (iterative_hash_gimple_type): New.
950         (visit): New.
951         (iterative_hash_type_name): New.
952         (iterative_hash_gimple_type): New.
953         (gimple_type_hash): New.
954         (gimple_type_eq): New.
955         (gimple_register_type): New.
956         (print_gimple_types_stats): New.
957         (gimple_signed_or_unsigned_type): New.
958         (gimple_unsigned_type): New.
959         (gimple_signed_type): New.
960         (gimple_get_alias_set): New.
961         (gimple_decl_printable_name): Do not use DMGL_TYPES.
962         * gimple.h (gimple_alloc, gimple_alloc_stat): Declare.
963         (gimple_force_type_merge): Declare.
964         (gimple_types_compatible_p): Declare.
965         (gimple_register_type): Declare.
966         (print_gimple_types_stats): Declare.
967         (gimple_unsigned_type): Declare.
968         (gimple_signed_type): Declare.
969         (gimple_get_alias_set): Declare.
970         (gimple_eh_must_not_throw_set_fndecl): New.
971
972 2009-10-03  Jan Hubicka  <jh@suse.cz>
973             Kenneth Zadeck <zadeck@naturalbridge.com>
974
975         * ipa-pure-const.c: Include lto-streamer.h.
976         (register_hooks): Factor out of ...
977         (generate_summary): ... here.
978         (pure_const_write_summary): New.
979         (pure_const_read_summary): New.
980         (pass_ipa_pure_const): Add pure_const_write_summary and
981         pure_const_read_summary.
982         * ipa-reference.c: Include lto-streamer.h.
983         (add_new_function): New.
984         (remove_node_data): New.
985         (duplicate_node_data): New.
986         (ipa_init): Guard against multiple calls.
987         Move hook setup from analyze_function.
988         (write_node_summary_p): New.
989         (ipa_reference_write_summary): New.
990         (ipa_reference_read_summary): New.
991         (pass_ipa_reference): Add ipa_reference_write_summary and
992         ipa_reference_read_summary.
993         * cgraph.h (cgraph_local_info): Add field lto_file_data.
994         (struct cgraph_edge): Add fields lto_stmt_uid and
995         call_stmt_cannot_inline_p.
996         (cgraph_optimize): Declare.
997         (cgraph_decide_is_function_needed): Declare.
998         (reset_inline_failed): Declare.
999         (enum LTO_cgraph_tags): Declare.
1000         (LTO_cgraph_tag_names): Declare.
1001         (LCC_NOT_FOUND): Define.
1002
1003 2009-10-03  Doug Kwan  <dougkwan@google.com>
1004             Rafael Espindola  <espindola@google.com>
1005             Jan Hubicka  <jh@suse.cz>
1006             Diego Novillo  <dnovillo@google.com>
1007             Kenneth Zadeck  <zadeck@naturalbridge.com>
1008
1009         * passes.c (all_regular_ipa_passes): New.
1010         (all_ipa_passes): Rename to all_small_ipa_passes.
1011         (init_optimization_passes): Init all_regular_ipa_passes.
1012         * tree-pass.h (all_regular_ipa_passes): New.
1013         (all_ipa_passes): Rename to all_small_ipa_passes.
1014         * passes.c (all_lto_gen_passes): New.
1015         (init_optimization_passes): Initialize all_lto_gen_passes.
1016         (execute_ipa_summary_passes): Make non-static.
1017         (ipa_write_summaries_1): New.
1018         (ipa_write_summaries_2): New.
1019         (ipa_write_summaries): New.
1020         (ipa_write_summaries_of_cgraph_node_set): New.
1021         (ipa_read_summaries_1): New.
1022         (ipa_read_summaries): New.
1023         (execute_ipa_pass_list): Call cgraph_process_new_functions.
1024         (execute_regular_ipa_pass_list): Remove.
1025         (init_optimization_passes): Schedule
1026         pass_rebuild_cgraph_edges and pass_early_inline outside
1027         of pass_all_early_optimizations.  Document reason.
1028         (pass_ipa_lto_gimple_out, pass_ipa_lto_wpa_fixup,
1029         pass_ipa_lto_finish_out): New pass.
1030         (pass_ipa_summary_passes): Start and stop timers if the pass has them.
1031         (execute_all_ipa_transforms): New.
1032         (execute_one_pass): Don't call execute_one_ipa_transform_pass.
1033         (dump_properties, debug_properties): New.
1034         * tree-optimize.c (gate_all_early_local_passes): Return
1035         false if we are in lto1.
1036         (tree_rest_of_compilation): Call execute_all_ipa_transforms.
1037         * tree-pass.h (execute_all_ipa_transforms): Declare.
1038         (pass_ipa_function_and_variable_visibility): Declare.
1039         (pass_ipa_early_inline): Declare.
1040         (pass_ipa_lto_gimple_out): Declare.
1041         (pass_ipa_lto_wpa_fixup): Declare.
1042         (pass_ipa_lto_finish_out): Declare.
1043         (all_small_ipa_passes, all_regular_ipa_passes,
1044         all_lto_gen_passes): Declare.
1045         (execute_ipa_summary_passes): Declare.
1046         (execute_all_ipa_transforms): Declare.
1047         (ipa_write_summaries): Declare
1048         (ipa_write_summaries_of_cgraph_node_set): Declare.
1049         (ipa_read_summaries): Declare.
1050
1051 2009-10-03  Doug Kwan  <dougkwan@google.com>
1052             Ollie Wild  <aaw@google.com>
1053
1054         * ipa-prop.c (ipa_propagate_indirect_call_infos): Do nothing in WPA.
1055
1056         * collect2.c (LTO_MODE_NONE, LTO_MODE_LTO, LTO_MODE_WPA): New enums.
1057         (lto_mode): New variable.
1058         (maybe_run_lto_and_relink): Handle the -fwpa option.
1059         (main): Handle the -fwpa option.
1060         (maybe_unlink_list): New function.
1061         * gcc.c (link_lto_options): Replace -flto with -fwpa.
1062         * common.opt (flto): New flag.
1063         * toplev.c (flag_generate_lto): Declare.
1064
1065 2009-10-03  Simon Baldwin  <simonb@google.com>
1066
1067         * common.opt (flto-compression-level): New flag.
1068
1069         * opts.c: Include lto-opts.h.
1070         (handle_option): Call lto_register_user_option for each
1071         valid option handled.
1072         (decode_options): Clear registered options before the options
1073         handling loop.
1074
1075 2009-10-03  Cary Coutant  <ccoutant@google.com>
1076
1077         * collect2.c (is_elf): New function.
1078         (scan_prog_file): Require LTO object to be in ELF format.
1079
1080 2009-10-03  Rafael Espindola  <espindola@google.com>
1081
1082         * gcc.c (LINK_COMMAND_SPEC): Use the -pass-through option to pass
1083         libgcc to the linker.
1084
1085         * ipa-cp.c (cgraph_gate_cp): Return false if LTRANS is running.
1086
1087         * collect2.c (maybe_run_lto_and_relink): Execute lto-wrapper.
1088         (collect_execute): Add flags argument. Pass flags to pex_run. Update
1089         all callers.
1090         * collect2.h (collect_execute): Add flags argument.
1091         * tlink.c (tlink_execute): Update call to collect_execute.
1092         * gcc.c (main): Set the COLLECT_LTO_WRAPPER environment variable.
1093         (use_linker_plugin): New.
1094         (use_linker_plugin_spec_function): New.
1095         (LINK_COMMAND_SPEC): Pass plugin options to the linker.
1096         (linker_plugin_file_spec): New.
1097         (lto_wrapper_spec): New.
1098         (lto_gcc_spec): New.
1099         (static_specs): Add linker_plugin_file, lto_wrapper and lto_gcc.
1100         (static_spec_functions): Add use-linker-plugin.
1101         (process_command): Handle -use-linker-plugin.
1102         (main): Use lto_wrapper_spec instead of lto_wrapper. Set
1103         linker_plugin_file_spec and lto_gcc_spec.
1104         (use_linker_plugin_spec_function): New.
1105
1106 2009-10-03  Richard Guenther  <rguenther@suse.de>
1107
1108         PR lto/41547
1109         PR lto/41548
1110         * tree.h (is_lang_specific): Include LANG_TYPE.
1111         * tree.c (find_decls_types_r): Manually add interesting parts
1112         of TYPE_FIELDS.  Walk BINFO_VIRTUALS.  Do not walk TYPE_METHODS.
1113
1114         * gimple.c (type_pair_hash): Make symmetric.
1115         (type_pair_eq): Likewise.
1116         (lookup_type_pair): Increase initial hashtable size.
1117         (gimple_force_type_merge): Rely on type-pair symmetry.
1118         (visit): Remove excessive checking code.
1119         (iterative_hash_type_name): Do not hash TYPE_NAME of anonymous unions.
1120         (gimple_register_type): Remove getenv calls, shrink initial
1121         hashtable size.
1122
1123         PR middle-end/41502
1124         * cgraphunit.c (ipa_passes): Do not remove bodies of extern
1125         inline functions if not generating lto output.
1126
1127         PR lto/41379
1128         * toplev.c (finalize): In WPA mode remove the asm file.
1129
1130 2009-10-03  Doug Kwan  <dougkwan@google.com>
1131
1132         * ipa-inline.c (cgraph_mark_inline): Check
1133         edge->call_stmt_cannot_inline_p instead of calling
1134         gimple_call_cannot_inline_p.
1135         (cgraph_decide_inlining): Do nothing in WPA and LTRANS.
1136         (cgraph_gate_ipa_early_inlining): Return false if in_lto_p is set.
1137         (inline_generate_summary): Do nothing in LTRANS.
1138         * cgraph.c (initialize_inline_failed): Make sure e->call_stmt
1139         exists before calling gimple_call_cannot_inline_p.
1140         (cgraph_create_edge): Set edge->call_stmt_cannot_inline_p.
1141         (cgraph_clone_edge): Add argument STMT_UID.  Modify all callers.
1142         Update new_edge->lto_stmt_uid.
1143         * cgraphbuild.c (reset_inline_failed): New.
1144
1145         * common.opt (fwpa): New flag.
1146         (fltrans): New option.
1147         * gcc.c (gcc_lto_option_t): New type.
1148         (current_lto_option): New variable.
1149         (lto_single_spec_function): Remove and is replaced by ..
1150         (lto_option_spec_function): New function.
1151         (LINK_COMMAND_SPEC): Use link_lto_option spec instead of just
1152         passing the -flto flag.
1153         (cc1_options): Separate non-LTO related parts into ..
1154         (cc1_non_lto_options): Non-LTO related options shared by all FEs.
1155         (lto1_options): New spec for lto FE.
1156         (link_lto_options): New spec for handling LTO flags in linker.
1157         (invoke_lto_single): Re-format to fit in 80 column.  Replace
1158         lto-single with lto-option.
1159         (static_specs): Add cc1_non_lto_options, lto1_options and
1160         link_lto_options.
1161         (static_spec_function): Replace lto-single with lto-option.
1162         (process_command): Handle -flto, -fwpa and -fltran by setting
1163         current_lto_option and not passing it to subprocess unconditionally.
1164
1165 2009-10-03  Bill Maddox  <maddox@google.com>
1166
1167         Add `gcc' driver support for link-time code generation (LTO).
1168
1169         * collect2.c (enum pass): Add new literal PASS_LTOINFO.
1170         (lto_flag, lto_objects, lto_o_file): New variables.
1171         (struct lto_object, struct lto_object_list): New structures.
1172         (collect_exit, handler): Remove LTO temporary output file on exit.
1173         (add_lto_object): New function.
1174         (maybe_run_lto_and_relink): New function. Perform link time code
1175         generation and relinking for object files containing LTO information.
1176         (main): Invoke maybe_run_lto_and_relink().
1177         (dump_argv): New function.  For debugging, currently disabled.
1178         (scan_prog_file): Add LTO information pass.
1179         * gcc.c (LINK_COMMAND_SPEC): Pass `-flto' switch to linker, i.e.,
1180         collect2.
1181         * toplev.c (compile_file): Emit assembler directive to create
1182         the `gnu_lto_v1' marker symbol when compiling with `-flto'.
1183
1184 2009-10-03  Diego Novillo  <dnovillo@google.com>
1185
1186         * c.opt: Add LTO to warn_abi and warn_psabi.
1187
1188         * tree.c (fld_worklist_push): Rename from PUSH.  Convert to static
1189         inline function.  Ignore language-specific nodes.  Update all users.
1190         (find_decls_types_r): Do not traverse the subtrees of
1191         language-specific nodes.  Do not traverse DECL_INITIAL for TYPE_DECLs.
1192         * tree.h (is_lang_specific): New.
1193         * langhooks.h (struct lang_hooks_for_decls): Remove
1194         may_need_assembler_name_p.  Update all users.
1195
1196         * c-common.c (set_builtin_user_assembler_name): Move ...
1197         * builtins.c (set_builtin_user_assembler_name): ... here.
1198         (is_builtin_name): Add comment
1199         (is_builtin_fn): New.
1200         * except.c (output_ttype): Only call
1201         lookup_type_for_runtime if TYPE is not a runtime type.
1202
1203         * passes.c (register_pass): Call position_pass on
1204         all_small_ipa_passes, all_regular_ipa_passes and all_lto_gen_passes.
1205         * timevar.def (TV_IPA_LTO_GIMPLE_IO): Define.
1206         (TV_IPA_LTO_DECL_IO): Define.
1207         (TV_IPA_LTO_CGRAPH_IO): Define.
1208         (TV_LTO): Define.
1209         (TV_WHOPR_WPA): Define.
1210         (TV_WHOPR_WPA_IO): Define.
1211         (TV_WHOPR_LTRANS): Define.
1212         (TV_WHOPR_WPA_FIXUP): Define.
1213         (TV_WHOPR_WPA_LTRANS_EXEC): Define.
1214         * tree-cfg.c (tree_node_can_be_shared): Make extern.
1215         * tree-flow.h (tree_node_can_be_shared): Declare.
1216         * tree-inline.c (tree_can_inline_p): Check that E has a
1217         statement associated with it.
1218         * tree.c (free_lang_data_in_binf): Factor out of ...
1219         (free_lang_data_in_type): ... here.
1220         Call RECORD_OR_UNION_TYPE_P.
1221         (need_assembler_name_p): Ignore DECL if it does not have TREE_PUBLIC
1222         set.  Call lang_hooks.decls.may_need_assembler_name_p if set.
1223         (free_lang_data_in_decl): Do not clear DECL_CONTEXT for CONST_DECLs.
1224         (free_lang_data): Set debug_info_level to DINFO_LEVEL_NONE.  Set
1225         write_symbols to NO_DEBUG.  Set debug_hooks to do_nothing_debug_hooks.
1226         (gate_free_lang_data): Return true if flag_generate_lto is set.
1227         (walk_tree_1): Call RECORD_OR_UNION_TYPE_P.
1228         * c-common.h (set_builtin_user_assembler_name): Move ...
1229         * tree.h (set_builtin_user_assembler_name): ... here.
1230
1231         * common.opt (flto-report): New flag.
1232         * opts.c (complain_wrong_lang): Do not complain if running lto1.
1233         * collect2.c (scan_prog_file): Send the error output of
1234         'nm' to HOST_BIT_BUCKET.
1235
1236 2009-10-03  Ollie Wild  <aaw@google.com>
1237
1238         * langhooks-def.h (lhd_begin_section): New function declaration.
1239         (lhd_write_section): New function declaration.
1240         (lhd_end_section): New function declaration.
1241         (LANG_HOOKS_BEGIN_SECTION): New macro.
1242         (LANG_HOOKS_WRITE_SECTION_DATA): New macro.
1243         (LANG_HOOKS_END_SECTION): New macro.
1244         (LANG_HOOKS_LTO): New macro.
1245         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_LTO.
1246         * langhooks.c (output.h): Add include.
1247         (saved_section): New static variable.
1248         (lhd_begin_section): New function.
1249         (lhd_write_section_data): New function.
1250         (lhd_end_section): New function.
1251         * langhooks.h (struct lang_hooks_for_lto): New structure.
1252         (struct lang_hooks): Add member lto.
1253         * Makefile.in (langhooks.o): Add dependency on output.h.
1254
1255         * c-opts.c (c_common_post_options): Handle -flto and -fwhopr.
1256
1257 2009-10-03  Richard Guenther  <rguenther@suse.de>
1258
1259         * config/rs6000/rs6000.c (rs6000_output_function_epilogue):
1260         Handle LTO.
1261
1262 2009-10-03  Simon Baldwin  <simonb@google.com>
1263             Richard Guenther  <rguenther@suse.de>
1264             Janis Johnson  <janis187@us.ibm.com>
1265             Doug Kwan  <dougkwan@google.com>
1266             Diego Novillo  <dnovillo@google.com>
1267             Ramana Radhakrishnan  <ramana.r@gmail.com>
1268             Ollie Wild  <aaw@google.com>
1269
1270         * doc/install.texi: Add documentation for libelf and --enable-lto.
1271         * doc/invoke.texi: Document -fwpa, -flto, -fwhopr, -fltrans,
1272         -flto-report, -flto-compression-level and -use-linker-plugin.
1273         * doc/sourcebuild.texi: Document use of zlib.  Document lto-plugin.
1274         Add section for LTO Testing.
1275
1276 2009-10-02  Cary Coutant  <ccoutant@google.com>
1277
1278         Add support for comdat type sections for DWARF v4.
1279         Merge from dwarf4 branch.
1280
1281         * dwarf2out.c (DWARF_TYPE_SIGNATURE_SIZE): New constant.
1282         (dw_die_ref): Define vector type.
1283         (enum dw_val_class): Add dw_val_class_data8.
1284         (struct dw_val_struct): Add v.val_data8.
1285         (comdat_type_node_ref): New type.
1286         (struct die_struct): Move die_symbol into a union; add new field
1287         die_type_node.  Change all uses.
1288         (comdat_type_node): New type.
1289         (skeleton_chain_node): New type.
1290         (DWARF_COMDAT_TYPE_UNIT_HEADER_SIZE): New constant.
1291         (comdat_type_list): New variable.
1292         (dwarf_tag_name): Add DW_TAG_type_unit.
1293         (dwarf_attr_name): Add DW_AT_signature.
1294         (add_AT_data8): New function.
1295         (replace_child): New function.
1296         (move_all_children): New function.
1297         (print_signature): New function.
1298         (print_die): Print signature information; add dw_val_class_data8.
1299         (attr_checksum): Support dw_val_class_data8.
1300         (CHECKSUM_STRING): Redefine for DWARF-4 to include trailing NULL byte.
1301         (CHECKSUM_SLEB128, CHECKSUM_ULEB128): New macros.
1302         (checksum_sleb128, checksum_uleb128): New functions.
1303         (checksum_die_context): New function.
1304         (loc_checksum_ordered): New function.
1305         (attr_checksum_ordered): New function.
1306         (struct checksum_attributes): New structure.
1307         (collect_checksum_attributes): New function.
1308         (die_checksum_ordered): New function.
1309         (generate_type_signature): New function.
1310         (same_dw_val_p): Add dw_val_class_data8.
1311         (is_symbol_die): Use new is_declaration_die function.
1312         (is_declaration_die): New function.
1313         (should_move_die_to_comdat): New function.
1314         (clone_die): New function.
1315         (clone_tree): New function.
1316         (clone_as_declaration): New function.
1317         (copy_declaration_context): New function.
1318         (generate_skeleton_ancestor_tree): New function.
1319         (generate_skeleton_bottom_up): New function.
1320         (generate_skeleton): New function.
1321         (remove_child_or_replace_with_skeleton): New function.
1322         (break_out_comdat_types): New function.
1323         (struct decl_table_entry): New type.
1324         (htab_decl_hash): New function.
1325         (htab_decl_eq): New function.
1326         (htab_decl_del): New function.
1327         (copy_ancestor_tree): New function.
1328         (copy_decls_walk): New function.
1329         (copy_decls_for_unworthy_types): New function.
1330         (build_abbrev_table): Don't assert on missing die_symbol when doing
1331         comdat type sections.
1332         (size_of_die): Use DW_FORM_sig8 for external references.  Add
1333         dw_val_class_data8.
1334         (unmark_dies): Don't assert for unmarked dies when doing comdat
1335         type sections.
1336         (value_format): Support DW_FORM_sig8 and dw_val_class_data8.
1337         (output_signature): New function.
1338         (output_die): Likewise.
1339         (output_compilation_unit_header): Mark output as DWARF version 3
1340         even if generating DWARF 4.
1341         (output_comdat_type_unit): New function.
1342         (output_line_info): Mark output as DWARF version 3 even if generating
1343         DWARF 4.
1344         (dwarf2out_start_source_file): Don't do eliminate_dwarf2_dups with
1345         DWARF-4.
1346         (dwarf2out_end_source_file): Likewise.
1347         (prune_unused_types_walk_attribs): Don't follow references into
1348         comdat type sections.
1349         (prune_unused_types_mark): When generating type units, do not mark
1350         children of non-defining declarations of types; do mark children of
1351         type entries.
1352         (prune_unused_types): Process comdat type sections.
1353         (htab_ct_hash): New function.
1354         (htab_ct_eq): New function.
1355         (dwarf2out_finish): Move types to comdat sections when using DWARF-4.
1356         Add a pointer to the line table from type unit entries so
1357         DW_AT_decl_file has meaning.
1358         * varasm.c (default_elf_asm_named_section): Use identifier name as
1359         comdat key instead of lang hook.
1360
1361 2009-10-02  Neil Vachharajani  <nvachhar@google.com>
1362
1363         * gcov-io.c (gcov_open): Open files read-only when MODE < 0.
1364
1365 2009-10-02  Uros Bizjak  <ubizjak@gmail.com>
1366
1367         * config/i386/i386.md (SWIM248): New mode iterator.
1368         (divmod<mode>4) Macroize expander from divmoddi4, divmodsi4 and
1369         divmodhi4 patterns using SWIM248 macro.
1370         (*divmod<mode>4): Macroize insn_and_split pattern from
1371         *divmoddi4_cltd_rex64, *divmodsi4_cltd and divmodhi4 insn patterns
1372         and their corresponding splitters usign SWIM248 macro.  Split SImode
1373         insn to generate cltd and DImode insn to generate cqto instead of
1374         move+shift when optimizing for size or TARGET_USE_CLTD is in effect.
1375         (*divmoddi4_nocltd_rex64, *divmodsi4_nocltd): Remove insn patterns.
1376         (*divmod<mode>4_noext): Macroize insn from *divmoddi_noext_rex64 and
1377         *divmodsi_noext patterns using SWIM248 macro.
1378         (udivmod<mode>4): Macroize expander from udivmoddi4, udivmodsi4 and
1379         udivmodhi4 patterns using SWIM248 macro.
1380         (*udivmod<mode>4): Macroize insn_and_split pattern from
1381         *udivmoddi4, udivmodsi4 and udivmodhi4 patterns and their
1382         corresponding splitters using SWIM248 macro.
1383         (*udivmod<mode>4_noext): Macroize insn from *udivmoddi4_noext,
1384         *udivmodsi4_noext and *udivmodhi_noext patterns using SWIM248 macro.
1385
1386 2009-10-02  Eric Botcazou  <ebotcazou@adacore.com>
1387
1388         * stor-layout.c (layout_type) <ARRAY_TYPE>: Make sure that an array
1389         of zero-sized element is zero-sized regardless of its extent.
1390
1391 2009-10-02  Jakub Jelinek  <jakub@redhat.com>
1392
1393         PR debug/40521
1394         * configure.ac (HAVE_GAS_CFI_SECTIONS_DIRECTIVE): New test.
1395         * configure: Regenerated.
1396         * config.in: Regenerated.
1397         * dwarf2out.c (dwarf2out_do_cfi_asm): Return false if
1398         !HAVE_GAS_CFI_SECTIONS_DIRECTIVE and not emitting .eh_frame.
1399         (dwarf2out_init): If HAVE_GAS_CFI_SECTIONS_DIRECTIVE and
1400         not emitting .eh_frame, emit .cfi_sections .debug_frame
1401         directive.
1402
1403         PR debug/41404
1404         PR debug/41353
1405         * cfgexpand.c (expand_debug_expr) <case STRING_CST>: Don't create
1406         CONST_STRING if STRING_CST contains embedded '\0's or doesn't end
1407         with '\0'.
1408         (expand_debug_expr) <case VAR_DECL>: For TREE_STATIC !DECL_EXTERNAL
1409         vars use DECL_RTL with resetting it back to NULL afterwards.
1410         * dwarf2out.c (same_dw_val_p): For dw_val_class_addr compare with
1411         rtx_equal_p instead of asserting it is a SYMBOL_REF.
1412         (value_format): For dw_val_class_addr only use DW_FORM_addr if
1413         the attribute type allows it, otherwise use DW_FORM_dataN.
1414         (mem_loc_descriptor): Handle CONST_STRING.
1415         (add_const_value_attribute): Handle CONST_STRING using add_AT_addr.
1416         Handle MEM with CONST_STRING address using add_AT_string.
1417         (rtl_for_decl_init): Return MEM with CONST_STRING address instead of
1418         CONST_STRING for const arrays initialized with a string literal.
1419         (resolve_one_addr, resolve_addr_in_expr, resolve_addr): New functions.
1420         (dwarf2out_finish): Call resolve_addr.
1421
1422 2009-10-02  Andreas Schwab  <schwab@linux-m68k.org>
1423             Maxim Kuvyrkov  <maxim@codesourcery.com>
1424
1425         * config/m68k/lb1sf68.asm (PICCALL): Use variable sized branch.
1426
1427 2009-10-02  Nick Clifton  <nickc@redhat.com>
1428
1429         * config/mn10300/mn10300.h (USER_LABEL_PREFIX): Define.
1430         (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
1431
1432 2009-10-01  Jan Hubicka  <jh@suse.cz>
1433
1434         * cgraph.c (cgraph_clone_node): Add redirect_callers parameter.
1435         (cgraph_create_virtual_clone): Just pass redirect_callers
1436         around.
1437         * cgraph.h (cgraph_clone_node): Update prototype.
1438         * ipa-pure-const.c (self_recursive_p): New function.
1439         (propagate): Use it.
1440         * ipa-inline.c (cgraph_clone_inlined_nodes,
1441         cgraph_decide_recursive_inlining): Update.
1442
1443 2009-10-01  David Daney  <ddaney@caviumnetworks.com>
1444
1445         * gcc/config/mips/mips.c (mips_process_sync_loop) Emit syncw
1446         instructions for TARGET_OCTEON.
1447
1448 2009-10-01  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
1449
1450         * config/arm/arm.c (arm_override_options): Turn off
1451         flag_dwarf2_cfi_asm for AAPCS variants.
1452
1453 2009-10-01  Martin Jambor  <mjambor@suse.cz>
1454
1455         PR middle-end/12392
1456         * tree-sra.c (convert_callers): Do not call
1457         compute_inline_parameters on one caller more than once.
1458
1459 2009-10-01  Nick Clifton  <nickc@redhat.com>
1460
1461         * config/vax/netbsd-elf.h (NETBSD_CC1_AND_CC1PLUS_SPEC): Define as
1462         an empty string if not already defined.
1463
1464 2009-10-01  Martin Jambor  <mjambor@suse.cz>
1465
1466         PR bootstrap/41395
1467         * tree-sra.c (is_va_list_type): New function.
1468         (find_var_candidates): Call is_va_list_type.
1469         (find_param_candidates): Check that the type or the type pointed
1470         to are not va_list types.
1471
1472 2009-10-01  Martin Jambor  <mjambor@suse.cz>
1473
1474         PR c++/41503
1475         * cp/pt.c (function_parameter_expanded_from_pack_p): Return false if
1476         DECL_ARTIFICIAL (param_decl) is true.
1477
1478 2009-09-30  Gabriel Dos Reis  <gdr@cs.tamu.edu>
1479
1480         * tree.h (tree_decl_common::lang_flag_8): New.
1481         * c-common.c (c_common_reswords): Include "constexpr" as C++0x
1482         keyword.
1483         * c-common.h (RID_CONSTEXPR): New.
1484
1485 2009-09-30  Uros Bizjak  <ubizjak@gmail.com>
1486
1487         * config/alpha/alpha.c (alpha_gimplify_va_arg_1):
1488         Use ref-all pointers.
1489         (alpha_gimplify_va_arg): Ditto.
1490
1491 2009-09-30  Jakub Jelinek  <jakub@redhat.com>
1492
1493         PR target/41279
1494         * cfgloopanal.c (num_loop_insns): Don't increment ninsns for each bb
1495         before insn counting loop now that BB_END (bb) is counted.  Ensure
1496         the return value isn't zero.
1497
1498 2009-09-30  Nick Clifton  <nickc@redhat.com>
1499
1500         * config.gcc (sh-symbianelf): Replace definition of extra_objs
1501         with separate definitions of c_target_objs and cxx_target_objs.
1502         * config/sh/t-sh: Add rules to build symbian-cxx.o, symbian-c.o
1503         and symbian-base.o.
1504         * config/sh/sh.c (TARGET_CXX_INPUT_EXPORT_CLASS): Use
1505         sh_symbian_import_export_class.
1506         * config/sh/sh-protos.h: Fix names of exported symbian functions.
1507         * config/sh/symbian.c: Delete, moving code into...
1508         * config/sh/symbian-base.c: ... here
1509         * config/sh/symbian-c.c: ... and here
1510         * config/sh/symbian-cxx.c: ... and here.
1511
1512 2009-09-30  Uros Bizjak  <ubizjak@gmail.com>
1513
1514         PR target/22093
1515         * config/alpha/alpha.md (unaligned_storehi_be): Force operand
1516         of plus RTX into register.
1517
1518 2009-09-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1519
1520         * doc/install.texi: Linguistic and markup fixes.
1521         (Configuration) <--disable-cpp>: Remove description.
1522         <--enable-maintainer-mode>: Autotools files are affected, too.
1523         <--with-sysroot>: Improve description.
1524         (Building): Bump required GNU make version.
1525
1526 2009-09-29  Harsha Jagasia  <harsha.jagasia@amd.com>
1527
1528         * config.gcc (i[34567]86-*-*): Include fma4intrin.h.
1529         (x86_64-*-*): Ditto.
1530
1531         * config/i386/fma4intrin.h: New file, provide common x86 compiler
1532         intrinisics for FMA4.
1533         * config/i386/cpuid.h (bit_FMA4): Define FMA4 bit.
1534         * config/i386/x86intrin.h: Fix typo to SSE4A instead of SSE4a.
1535         Add FMA4 check and fma4intrin.h.
1536         * config/i386/i386-c.c(ix86_target_macros_internal): Check
1537         ISA_FLAG for FMA4.
1538         * config/i386/i386.h(TARGET_FMA4): New macro for FMA4.
1539         * config/i386/i386.md (UNSPEC_FMA4_INTRINSIC): Add new UNSPEC
1540         constant for FMA4 support.
1541         (UNSPEC_FMA4_FMADDSUB): Ditto.
1542         (UNSPEC_FMA4_FMSUBADD): Ditto.
1543         * config/i386/i386.opt (-mfma4): New switch for FMA4 support.
1544         * config/i386/i386-protos.h (ix86_fma4_valid_op_p): Add declaration.
1545         (ix86_expand_fma4_multiple_memory): Ditto.
1546         * config/i386/i386.c (OPTION_MASK_ISA_FMA4_SET): New.
1547         (OPTION_MASK_ISA_FMA4_UNSET): New.
1548         (OPTION_MASK_ISA_SSE4A_UNSET): Change definition to depend on FMA4.
1549         (OPTION_MASK_ISA_AVX_UNSET): Change definition to depend on FMA4.
1550         (ix86_handle_option): Handle -mfma4.
1551         (isa_opts): Handle -mfma4.
1552         (enum pta_flags): Add PTA_FMA4.
1553         (override_options): Add FMA4 support.
1554         (IX86_BUILTIN_VFMADDSS): New for FMA4 intrinsic.
1555         (IX86_BUILTIN_VFMADDSD): Ditto.
1556         (IX86_BUILTIN_VFMADDPS): Ditto.
1557         (IX86_BUILTIN_VFMADDPD): Ditto.
1558         (IX86_BUILTIN_VFMSUBSS): Ditto.
1559         (IX86_BUILTIN_VFMSUBSD): Ditto.
1560         (IX86_BUILTIN_VFMSUBPS): Ditto.
1561         (IX86_BUILTIN_VFMSUBPD): Ditto.
1562         (IX86_BUILTIN_VFMADDSUBPS): Ditto.
1563         (IX86_BUILTIN_VFMADDSUBPD): Ditto.
1564         (IX86_BUILTIN_VFMSUBADDPS): Ditto.
1565         (IX86_BUILTIN_VFMSUBADDPD): Ditto.
1566         (IX86_BUILTIN_VFNMADDSS): Ditto.
1567         (IX86_BUILTIN_VFNMADDSD): Ditto.
1568         (IX86_BUILTIN_VFNMADDPS): Ditto.
1569         (IX86_BUILTIN_VFNMADDPD): Ditto.
1570         (IX86_BUILTIN_VFNMSUBSS): Ditto.
1571         (IX86_BUILTIN_VFNMSUBSD): Ditto.
1572         (IX86_BUILTIN_VFNMSUBPS): Ditto.
1573         (IX86_BUILTIN_VFNMSUBPD): Ditto.
1574         (IX86_BUILTIN_VFMADDPS256): Ditto.
1575         (IX86_BUILTIN_VFMADDPD256): Ditto.
1576         (IX86_BUILTIN_VFMSUBPS256): Ditto.
1577         (IX86_BUILTIN_VFMSUBPD256): Ditto.
1578         (IX86_BUILTIN_VFMADDSUBPS256): Ditto.
1579         (IX86_BUILTIN_VFMADDSUBPD256): Ditto.
1580         (IX86_BUILTIN_VFMSUBADDPS256): Ditto.
1581         (IX86_BUILTIN_VFMSUBADDPD256): Ditto.
1582         (IX86_BUILTIN_VFNMADDPS256): Ditto.
1583         (IX86_BUILTIN_VFNMADDPD256): Ditto.
1584         (IX86_BUILTIN_VFNMSUBPS256): Ditto.
1585         (IX86_BUILTIN_VFNMSUBPD256): Ditto.
1586         (enum multi_arg_type): New enum for describing the various FMA4
1587         intrinsic argument types.
1588         (bdesc_multi_arg): New table for FMA4 intrinsics.
1589         (ix86_init_mmx_sse_builtins): Add FMA4 intrinsic support.
1590         (ix86_expand_multi_arg_builtin): New function for creating FMA4
1591         intrinsics.
1592         (ix86_expand_builtin): Add FMA4 intrinsic support.
1593         (ix86_fma4_valid_op_p): New function to validate FMA4 3 and 4
1594         operand instructions.
1595         (ix86_expand_fma4_multiple_memory): New function to split the
1596         second memory reference from FMA4 instructions.
1597         * config/i386/sse.md (ssemodesuffixf4): New mode attribute for FMA4.
1598         (ssemodesuffixf2s): Ditto.
1599         (fma4_fmadd<mode>4): Add FMA4 floating point multiply/add
1600         instructions.
1601         (fma4_fmsub<mode>4): Ditto.
1602         (fma4_fnmadd<mode>4): Ditto.
1603         (fma4_fnmsub<mode>4): Ditto.
1604         (fma4_vmfmadd<mode>4): Ditto.
1605         (fma4_vmfmsub<mode>4): Ditto.
1606         (fma4_vmfnmadd<mode>4): Ditto.
1607         (fma4_vmfnmsub<mode>4): Ditto.
1608         (fma4_fmadd<mode>4256): Ditto.
1609         (fma4_fmsub<mode>4256): Ditto.
1610         (fma4_fnmadd<mode>4256): Ditto.
1611         (fma4_fnmsub<mode>4256): Ditto.
1612         (fma4_fmaddsubv8sf4): Ditto.
1613         (fma4_fmaddsubv4sf4): Ditto.
1614         (fma4_fmaddsubv4df4): Ditto.
1615         (fma4_fmaddsubv2df4): Ditto.
1616         (fma4_fmsubaddv8sf4): Ditto.
1617         (fma4_fmsubaddv4sf4): Ditto.
1618         (fma4_fmsubaddv4df4): Ditto.
1619         (fma4_fmsubaddv2df4): Ditto.
1620         (fma4i_fmadd<mode>4): Add FMA4 floating point multiply/add
1621         instructions for intrinsics.
1622         (fma4i_fmsub<mode>4): Ditto.
1623         (fma4i_fnmadd<mode>4): Ditto.
1624         (fma4i_fnmsub<mode>4): Ditto.
1625         (fma4i_vmfmadd<mode>4): Ditto.
1626         (fma4i_vmfmsub<mode>4): Ditto.
1627         (fma4i_vmfnmadd<mode>4): Ditto.
1628         (fma4i_vmfnmsub<mode>4): Ditto.
1629         (fma4i_fmadd<mode>4256): Ditto.
1630         (fma4i_fmsub<mode>4256): Ditto.
1631         (fma4i_fnmadd<mode>4256): Ditto.
1632         (fma4i_fnmsub<mode>4256): Ditto.
1633         (fma4i_fmaddsubv8sf4): Ditto.
1634         (fma4i_fmaddsubv4sf4): Ditto.
1635         (fma4i_fmaddsubv4df4): Ditto.
1636         (fma4i_fmaddsubv2df4): Ditto.
1637         (fma4i_fmsubaddv8sf4): Ditto.
1638         (fma4i_fmsubaddv4sf4): Ditto.
1639         (fma4i_fmsubaddv4df4): Ditto.
1640         (fma4i_fmsubaddv2df4): Ditto.
1641
1642         * doc/invoke.texi (-mfma4): Add documentation.
1643         * doc/extend.texi (x86 intrinsics): Add FMA4 intrinsics.
1644
1645 2009-09-29  Richard Henderson  <rth@redhat.com>
1646
1647         * tree-eh.c (unsplit_eh): Do not unsplit if there's already
1648         an edge to the new destination block.
1649
1650 2009-09-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1651
1652         PR target/41393
1653         * pa.c (hppa_profile_hook): Use
1654         make_reg_eh_region_note_nothrow_nononlocal to add REG_EH_REGION note.
1655
1656 2009-09-29  Steve Ellcey  <sje@cup.hp.com>
1657             Alexander Monakov  <amonakov@ispras.ru>
1658
1659         PR target/41365
1660         * config/ia64/predicates.md (not_postinc_destination_operand): New.
1661         (not_postinc_memory_operand): New.
1662         (not_postinc_move_operand): New.
1663         * config/ia64/ia64.md (*cmovdi_internal): Disallow autoincrement.
1664         (*cmovsi_internal): Ditto.
1665
1666 2009-09-29  Pat Haugen  <pthaugen@us.ibm.com>
1667
1668         * config/rs6000/rs6000.c (rs6000_issue_rate): Don't artificially
1669         restrict issue_rate in first pass when scheduling for register
1670         pressure.
1671
1672 2009-09-29  Basile Starynkevitch  <basile@starynkevitch.net>
1673             Rafael Avila de Espindola  <espindola@google.com>
1674
1675         * gengtype.c (plugin_output): New.
1676         (get_output_file_with_visibility): Return plugin_output for plugins.
1677         (main): Parse and use the -P option.
1678         * gty.texi: Update the command line format.
1679
1680 2009-09-29  Jakub Jelinek  <jakub@redhat.com>
1681
1682         PR debug/41438
1683         * dwarf2out.c (const_ok_for_output_1, const_ok_for_output): New
1684         functions.
1685         (mem_loc_descriptor, loc_descriptor, add_const_value_attribute): Bail
1686         out if !const_ok_for_output.
1687
1688         PR debug/41474
1689         * dwarf2out.c (mem_loc_descriptor) <case CONCAT, case CONCATN,
1690         case VAR_LOCATION>: Remove gcc_unreachable ().
1691
1692 2009-09-29  Harsha Jagasia  <harsha.jagasia@amd.com>
1693
1694         * config.gcc (i[34567]86-*-*): Remove mmintrin-common.h.
1695         (x86_64-*-*): Ditto.
1696         * config/i386/smmintrin.h: Move instructions in mmintrin-common.h
1697         back to smmintrin.h.
1698         * config/i386/cpuid.h: (bit_SSE5): Remove SSE5 bit.
1699         * config/i386/x86intrin.h: Remove SSE5.
1700         * config/i386/mmintrin-common.h: Delete file.
1701         * doc/extend.texi (x86 intrinsics): Remove SSE5 flags and builtins.
1702
1703 2009-09-29  Richard Guenther  <rguenther@suse.de>
1704
1705         * alias.c (ao_ref_from_mem): Properly deal with off decl accesses
1706         resulting from stack temporaries on STRICT_ALIGNMENT targets.
1707
1708 2009-09-29  Nick Clifton  <nickc@redhat.com>
1709
1710         * function.c (current_function_name): If there is no current
1711         function just return "<none>".
1712
1713 2009-09-28  Sriraman Tallam  <tmsriram@google.com>
1714
1715         * tree-pass.h (register_pass_info): New structure.
1716         (pass_positioning_ops): Move enum from gcc-plugin.h.
1717         (register_pass): New function.
1718         * gcc-plugin.h (plugin_pass): Delete structure.
1719         (pass_positioning_ops): Delete enum.
1720         * plugin.c (regsiter_pass): Delete function.
1721         (position_pass): Delete function.
1722         (added_pass_nodes): Delete variable.
1723         (prev_added_pass_nodes): Delete variable.
1724         (pass_list_node): Delete structure.
1725         * passes.c (make_pass_instance): New function.
1726         (next_pass_1): Change to call make_pass_instance.
1727         (pass_list_node): Move structure from gcc-plugin.h.
1728         (added_pass_nodes): Move variable from plugin.c.
1729         (prev_added_pass_nodes): Move variable from plugin.c.
1730         (position_pass): New function.
1731         (register_pass): New function.
1732
1733 2009-09-28  Easwaran Raman  <eraman@google.com>
1734
1735         * ifcvt.c (noce_try_abs): Recognize pattern and call
1736         expand_one_cmpl_abs_nojump.
1737         * optabs.c (expand_one_cmpl_abs_nojump): New function.
1738         * optabs.h (expand_one_cmpl_abs_nojump): Declare.
1739
1740 2009-09-28  Ian Lance Taylor  <iant@google.com>
1741
1742         PR middle-end/40500
1743         * c-opts.c (c_common_handle_option): Don't set
1744         warn_jump_misses_init for -Wall.
1745         * doc/invoke.texi (Warning Options): Update documentation.
1746
1747 2009-09-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1748
1749         * Makefile.in ($(out_object_file)): Depend on
1750         gt-$(basename $(notdir $(out_file))).h.
1751
1752 2009-09-28  Richard Henderson  <rth@redhat.com>
1753
1754         * except.h (struct eh_region_d): Add use_cxa_end_cleanup.
1755         * except.c (gen_eh_region): Set it.
1756         (duplicate_eh_regions_1): Copy it.
1757         * tree-eh.c (lower_resx): Use it to determine which function
1758         to call to resume.
1759
1760         * langhooks.h (struct lang_hooks): Add eh_use_cxa_end_cleanup.
1761         * langhooks-def.h (LANG_HOOKS_EH_USE_CXA_END_CLEANUP): New.
1762         * builtins.def (BUILT_IN_CXA_END_CLEANUP): New.
1763         * tree.c (build_common_builtin_nodes): Remove parameter.  Build
1764         BUILT_IN_CXA_END_CLEANUP if necessary.
1765
1766         * c-common.c (c_define_builtins): Update call to
1767         build_common_builtin_nodes.
1768
1769 2009-09-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1770
1771         * spu.c (get_branch_target): Return NULL for ASM_OPERANDS patterns.
1772
1773 2009-09-28  Michael Matz  <matz@suse.de>
1774
1775         * builtins.c (interclass_mathfn_icode): New helper.
1776         (expand_builtin_interclass_mathfn): Use it here, and split folding
1777         into ...
1778         (fold_builtin_interclass_mathfn): ... this new folder.
1779         (build_call_nofold_loc): New static helper.
1780         (build_call_nofold): New wrapper macro for above.
1781         (expand_builtin_int_roundingfn): Use it instead of build_call_expr.
1782         (expand_builtin_pow): Ditto.
1783         (expand_builtin_memset_args): Ditto.
1784         (expand_builtin_printf): Ditto.
1785         (expand_builtin_fprintf): Ditto.
1786         (expand_builtin_sprintf): Ditto.
1787         (expand_builtin_memory_chk): Ditto.
1788         (expand_builtin_mempcpy_args): Ditto and don't call folders.
1789         (expand_builtin_stpcpy): Ditto.
1790         (expand_builtin_strcmp): Ditto.
1791         (expand_builtin_strncmp): Ditto.
1792         (expand_builtin_strcpy): Remove FNDECL and MODE arguments.
1793         (expand_builtin_strcpy_args): Don't call folders.
1794         (expand_builtin_memcmp): Ditto.
1795         (expand_builtin_strncpy): Ditto, and use target.
1796         (expand_builtin_memcpy): Ditto.
1797         (expand_builtin_strstr, expand_builtin_strchr, expand_builtin_strrchr,
1798         expand_builtin_strpbrk, expand_builtin_memmove,
1799         expand_builtin_memmove_args, expand_builtin_bcopy,
1800         expand_builtin_memchr, expand_builtin_strcat, expand_builtin_strncat,
1801         expand_builtin_strspn, expand_builtin_strcspn,
1802         expand_builtin_fputs): Remove these.
1803         (expand_builtin): Don't call the above, change calls to other
1804         expanders that changed prototype.
1805         (fold_builtin_stpcpy): New folder split out from expand_builtin_stpcpy.
1806         (fold_builtin_1 <ISFINITE, ISINF, ISNORMAL>): Call
1807         fold_builtin_interclass_mathfn.
1808         (fold_builtin_2 <STPCPY>): Call fold_builtin_stpcpy.
1809         (fold_builtin_strcat): Add folding split from expand_builtin_strcat.
1810
1811         * fold-const.c (fold_binary_loc <NE_EXPR>): Add !exp != 0 -> !exp.
1812         * passes.c (init_optimization_passes): Move pass_fold_builtins
1813         after last phiopt pass.
1814         * tree-inline.c (fold_marked_statements): When folding builtins
1815         iterate over all instruction potentially generated.
1816         * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Declare
1817         earlier.
1818         (fold_gimple_call): Use it to always fold calls (into potentially
1819         multiple instructions).
1820         * tree-ssa-dom.c (optimize_stmt): Resolve __builtin_constant_p
1821         calls into zero at this time.
1822         * tree-ssa-propagate.c (substitute_and_fold): Ignore multiple
1823         statements generated by builtin folding.
1824
1825 2009-09-28  Nick Clifton  <nickc@redhat.com>
1826
1827         * config/m32r/m32r.c (m32r_is_insn): Return false for debugging insns.
1828
1829 2009-09-28  Duncan Sands  <baldrick@free.fr>
1830
1831         * gcc-plugin.h (PLUGIN_REGISTER_GGC_CACHES): New event.
1832         * plugin.c (plugin_event_name): Add PLUGIN_REGISTER_GGC_CACHES.
1833         (register_callback): Dispatch it.
1834         (invoke_plugin_callbacks): Incorporate in sanity check.
1835         * ggc.h (ggc_register_cache_tab): Add declaration.
1836         * ggc-common.c (ggc_register_root_tab): Simplify.
1837         (const_ggc_cache_tab_t): New typedef.
1838         (extra_cache_vec): New vector of dynamically added cache tables.
1839         (ggc_register_cache_tab): New function.
1840         (ggc_scan_cache_tab): New function.
1841         (ggc_mark_roots): Simplify dynamic roots.  Handle dynamic caches.
1842         * doc/plugins.texi: Document PLUGIN_REGISTER_GGC_CACHES.
1843
1844 2009-09-27  Richard Henderson  <rth@redhat.com>
1845
1846         * tree-ssa-ccp.c (optimize_stack_restore): Relax the conditions under
1847         which we remove __builtin_stack_restore.
1848
1849 2009-09-27  Bernd Schmidt  <bernd.schmidt@analog.com>
1850
1851         * loop-iv.c (iv_analyze_op): Use function_invariant_p, not CONSTANT_P,
1852         to test for GRD_INVARIANT.
1853         (simple_rhs_p): Anything that's function_invariant_p is fine.
1854
1855 2009-09-27  Rafael Avila de Espindola  <espindola@google.com>
1856
1857         * gengtype.c (main): Use plunge_files instead of plugin_output.
1858
1859 2009-09-27  Basile Starynkevitch  <basile@starynkevitch.net>
1860             Rafael Avila de Espindola  <espindola@google.com>
1861
1862         * gengtype.c (write_root, write_roots): Add a emit_pch argument.
1863         Don't print pch related info if it is false.
1864         (main): Don't print pch info in plugin mode.
1865
1866 2009-09-27  Eric Botcazou  <ebotcazou@adacore.com>
1867
1868         * dwarf2out.c (enum dw_val_class): Replace dw_val_class_long_long
1869         with dw_val_class_const_double.
1870         (struct dw_val_struct): Replace val_long_long with val_double and
1871         adjust for above change.
1872         (output_loc_operands): Likewise.
1873         (add_AT_long_long): Rename into...
1874         (add_AT_double): ...this.
1875         (print_die): Replace dw_val_class_long_long with
1876         dw_val_class_const_double and adjust.
1877         (attr_checksum): Likewise.
1878         (same_dw_val_p): Likewise.
1879         (size_of_die): Likewise.
1880         (value_format): Likewise.
1881         (output_die): Likewise.
1882         (loc_descriptor) <CONST_DOUBLE>: Likewise.
1883         (add_const_value_attribute) <CONST_DOUBLE>: Call add_AT_double
1884         instead of add_AT_long_long.
1885         (add_bound_info) <INTEGER_CST>: Generate the bound as an unsigned
1886         value with the precision of its type.
1887
1888 2009-09-27  Andreas Schwab  <schwab@linux-m68k.org>
1889
1890         PR c/41476
1891         * c-typeck.c (build_conditional_expr): Use the readonly and
1892         volatile flags of the operand types, not of the operands itself.
1893
1894 2009-09-27  Peter O'Gorman  <pogma@thewrittenword.com>
1895
1896         * collect2.c (main): Look for -brtl before adding libraries.
1897
1898 2009-09-27  Jonathan Gray  <jsg@openbsd.org>
1899
1900         * config.gcc: Update OpenBSD targets.
1901         * config/openbsd-stdint.h: New file.
1902         * config/openbsd-libpthread.h: New file.
1903         * config/openbsd.h: Update and break out LIB_SPEC definition.
1904         * config/alpha/openbsd.h: Overhaul to reflect ELF migration.
1905         * config/i386/openbsdelf.h: Correct types.
1906         * config/m68k/openbsd.h: Likewise.
1907         * config/mips/openbsd.h: Likewise.
1908         * config/vax/openbsd.h: Likewise.
1909
1910 2009-09-27  Eric Botcazou  <ebotcazou@adacore.com>
1911
1912         * fold-const.c (maybe_lvalue_p): Return false for M(IN|AX)_EXPR.
1913         (extract_muldiv_1) <MINUS_EXPR>: Swap operands if necessary.
1914         * stor-layout.c (layout_type) <ARRAY_TYPE>: Do not take the maximum
1915         of the length and zero.
1916
1917 2009-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1918
1919         * Makefile.in (TOPLEV_H): Use $(INPUT_H) not input.h.
1920         (FLAGS_H): Add options.h $(REAL_H).
1921         (SEL_SCHED_IR_H): Add $(BITMAP_H) vecprim.h $(CFGLOOP_H).
1922         (TREE_VECTORIZER_H): New.
1923         (EBITMAP_H): Renamed from EBIMAP_H.
1924         (c-decl.o, c-objc-common.o, c-pretty-print.o, attribs.o, c-omp.o)
1925         (gtype-desc.o, ggc-common.o, ggc-page.o, ggc-zone.o, langhooks.o)
1926         (tree.o, tree-ssa-structalias.o, tree-ssa-ter.o, tree-ssanames.o)
1927         (tree-phinodes.o, tree-ssa-loop.o, tree-ssa-math-opts.o)
1928         (gimple-low.o, omp-low.o, sese.o, graphite-blocking.o)
1929         (graphite-clast-to-gimple.o, graphite-dependences.o)
1930         (graphite-interchange.o, graphite-poly.o, graphite-scop-detection.o)
1931         (graphite-sese-to-poly.o, tree-vect-loop.o, tree-vect-loop-manip.o)
1932         (tree-vect-patterns.o, tree-vect-slp.o, tree-vect-stmts.o)
1933         (tree-vect-data-refs.o, tree-vectorizer.o, gimple.o, tree-mudflap.o)
1934         (targhooks.o, stmt.o, emit-rtl.o, ipa.o, matrix-reorg.o, ipa-inline.o)
1935         (gcse.o, tree-ssa-ccp.o, df-byte-scan.o, vec.o, caller-save.o)
1936         (ira-build.o, ira-costs.o, ira-color.o, ira-emit.o, ira.o)
1937         (haifa-sched.o, sched-rgn.o, sel-sched.o, sel-sched-dump.o)
1938         (sel-sched-ir.o, final.o, $(out_object_file)): Dependencies
1939         updated and fixed as per above changes and per
1940         check_makefile_deps.sh output.
1941
1942         PR bootstrap/40928
1943         * configure.ac: Use $LIBS for '-ldl', not $LDFLAGS.
1944         * configure: Regenerate.
1945
1946 2009-09-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1947
1948         * doc/install.texi: Update minimum MPC version to 0.7.
1949
1950 2009-09-26  Gerald Pfeifer  <gerald@pfeifer.com>
1951
1952         * doc/install.texi (Binaries): Remove reference to the binary
1953         distribution CD-ROM from the FSF.
1954
1955 2009-09-26  Michael Matz  <matz@suse.de>
1956
1957         PR lto/40758
1958         PR middle-end/41470
1959         * tree-ssa-coalesce.c (coalesce_ssa_name): Add only SSA names
1960         that are mentioned in the body.
1961
1962 2009-09-26  Michael Matz  <matz@suse.de>
1963
1964         PR tree-optimization/41454
1965         * tree-ssa-dom (stmts_to_rescan): Remove variable.
1966         (tree_ssa_dominator_optimize): Don't allocate and free it.
1967         (dom_opt_leave_block): Don't iterate over it.
1968         (eliminate_redundant_computations): Don't return a value.
1969         (cprop_operand, cprop_into_stmt): Ditto.
1970         (optimize_stmt): Don't defer updating stmts.
1971
1972 2009-09-25  Dodji Seketeli  <dodji@redhat.com>
1973
1974         * dwarf2out.c (dwarf_tag_name, gen_generic_params_dies,
1975         generic_parameter_die, template_parameter_pack_die,
1976         gen_formal_parameter_die, gen_subprogram_die): Adjust after
1977         renaming DW_TAG_formal_parameter_pack and
1978         DW_TAG_template_parameter_pack into DW_TAG_GNU_formal_parameter_pack
1979         and DW_TAG_GNU_template_parameter_pack.
1980
1981 2009-09-25  Anatoly Sokolov  <aesok@post.ru>
1982
1983         * config/v850/v850.h (FUNCTION_VALUE): Remove.
1984         * config/v850/v850.c (v850_function_value): New function.
1985         (TARGET_FUNCTION_VALUE): Define.
1986
1987 2009-09-25  Jakub Jelinek  <jakub@redhat.com>
1988
1989         * tree-vect-stmts.c (vectorizable_call): Call
1990         mark_symbols_for_renaming after vect_finish_stmt_generation.
1991
1992         * dwarf2out.c (tls_mem_loc_descriptor): Pass 1 instead of 2
1993         to loc_descriptor_from_tree.
1994         (add_location_or_const_value_attribute): Pass 0 instead of 2
1995         for decl_by_reference_p decls.
1996
1997 2009-09-25  Richard Guenther  <rguenther@suse.de>
1998
1999         PR middle-end/41463
2000         * tree-dfa.c (get_ref_base_and_extent): Fix issue with trailing
2001         arrays again.
2002
2003 2009-09-25  Ben Elliston  <bje@au.ibm.com>
2004
2005         * doc/invoke.texi (RS/6000 and PowerPC Options): Add missing comma
2006         after `power7'.
2007
2008 2009-09-25  Alan Modra  <amodra@bigpond.net.au>
2009
2010         * config/rs6000/rs6000.md (load_toc_v4_PIC_3c): Correct POWER
2011         form of instruction.
2012
2013 2009-09-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2014
2015         PR middle-end/41435
2016         * fold-const.c (const_binop): Handle complex int division.
2017         * tree-complex.c (expand_complex_div_straight,
2018         expand_complex_div_wide): Update comments.
2019
2020 2009-09-24  DJ Delorie  <dj@redhat.com>
2021
2022         PR target/41456
2023         * config/m32c/m32c.h (REG_CLASS_CONTENTS): Add R13.
2024         (reg_class): Likewise.
2025         (REG_CLASS_NAMES): Likewise.
2026         * config/m32c/m32c.c (m32c_reg_class_from_constraint): Likewise.
2027         (m32c_override_options): Disable -fivopts for M32C.
2028
2029 2009-09-24  Michael Meissner  <meissner@linux.vnet.ibm.com>
2030
2031         * config/rs6000/predicates.md (indexed_or_indirect_operand):
2032         Delete VSX load/store with update support.
2033         * config/rs6000/rs6000.c (rs6000_legitimate_address_p): Ditto.
2034         * config/rs6000/vsx.md (vsx_mov<mode>): Ditto.
2035         (vsx_movti): Ditto.
2036         (VSX_U): Delete.
2037         (VSbit): Ditto.
2038         (VStype_load_update): Ditto.
2039         (VStype_store_update): Ditto.
2040         (vsx_load<VSX_U:mode>_update_<P:mptrsize>): Ditto.
2041         (vsx_store<VSX_U:mode>_update_<P:mptrsize>): Ditto.
2042
2043         * config/rs6000/rs6000.h (enum rs6000_builtins): Delete VSX
2044         load/store with update builtins.
2045
2046 2009-09-24  Kai Tietz  <kai.tietz@onevision.com>
2047
2048         * libgcc2.c (L_trampoline): Prototype for getpagesize
2049         and mprotect in WINNT case.
2050
2051 2009-09-24  Anatoly Sokolov  <aesok@post.ru>
2052
2053         * config/rs6000/rs6000.h (FUNCTION_VALUE): Remove macro.
2054         * config/rs6000/rs6000-protos.h (rs6000_function_value): Remove.
2055         * config/rs6000/rs6000.c (rs6000_function_value): Make static, add
2056         'outgoing' argument.
2057         (TARGET_FUNCTION_VALUE): Define.
2058
2059 2009-09-24  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
2060
2061         * config/darwin.h (DWARF2_DEBUGGING_INFO): Define as 1.
2062
2063 2009-09-24  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
2064
2065         PR bootstrap/41405
2066         * common.opt: Initialize dwarf_strict to -1.
2067         * toplev.c (process_options): Catch unset dwarf_strict
2068         and set to 0 for all targets not overriding.
2069         * config/darwin.c (darwin_override_options): Catch unset
2070         dwarf_strict and override to 1.
2071
2072 2009-09-24  Jeff Law  <law@redhat.com>
2073
2074         * tree-into-ssa.c (rewrite_into_ssa): Free interesting_blocks.
2075
2076 2009-09-24  Richard Guenther  <rguenther@suse.de>
2077
2078         PR tree-optimization/36143
2079         PR tree-optimization/38747
2080         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Only
2081         create VIEW_CONVERT_EXPRs for TBAA compatible accesses.
2082
2083 2009-09-24  Jakub Jelinek  <jakub@redhat.com>
2084
2085         PR bootstrap/41457
2086         * dwarf2out.c (add_const_value_attribute): For HIGH and CONST_FIXED,
2087         return false instead of gcc_unreachable ().  For CONST return the
2088         value returned by recursive call instead of always returning true.
2089         (tree_add_const_value_attribute): Return the value returned by
2090         add_const_value_attribute instead of always returning true if rtl
2091         is non-NULL.
2092
2093 2009-09-23  Justin Seyster  <jrseys@gmail.com>
2094
2095         * Makefile.in (PLUGIN_HEADERS): Include real.h.
2096
2097 2009-09-24  Jakub Jelinek  <jakub@redhat.com>
2098
2099         * cgraphunit.c (cgraph_lower_function): Revert last change.
2100         * targhooks.c (default_static_chain): Use !DECL_STATIC_CHAIN
2101         instead of DECL_NO_STATIC_CHAIN.
2102         * tree-cfg.c (verify_gimple_call): Likewise.
2103         * tree-nested.c (get_chain_decl, get_chain_field,
2104         convert_tramp_reference_op, convert_gimple_call): Likewise.
2105         (convert_all_function_calls): Likewise.  Always set or clear
2106         DECL_STATIC_CHAIN initially, for !n->outer clear it.
2107         (lower_nested_functions): Remove DECL_NO_STATIC_CHAIN checking code.
2108         * c-parser.c (c_parser_declaration_or_fndef): Set DECL_STATIC_CHAIN
2109         if nested.
2110         * print-tree.c (print_node): Handle DECL_STATIC_CHAIN instead of
2111         DECL_NO_STATIC_CHAIN.
2112         * config/i386/i386.c (ix86_static_chain): Use !DECL_STATIC_CHAIN
2113         instead of DECL_NO_STATIC_CHAIN.
2114         (ix86_function_regparm, find_drap_reg): Likewise.  Don't test
2115         decl_function_context.
2116         * varasm.c (initializer_constant_valid_p): Likewise.
2117         * tree.h (DECL_NO_STATIC_CHAIN): Renamed to ...
2118         (DECL_STATIC_CHAIN): ... this.
2119         * config/moxie/moxie.c (moxie_static_chain): Use !DECL_STATIC_CHAIN
2120         instead of DECL_NO_STATIC_CHAIN.
2121
2122 2009-09-23  Basile Starynkevitch  <basile@starynkevitch.net>
2123             Rafael Avila de Espindola  <espindola@google.com>
2124
2125         * gengtype.c (nb_plugin_files): Make it unsigned to match
2126         num_gt_files. Adjust other variables to avoid warnings.
2127         (main): Allocate an all zero lang_bitmap before each plugin file name
2128         to match regular file names.
2129
2130 2009-09-23  Richard Henderson  <rth@redhat.com>
2131
2132         * doc/tm.texi (STATIC_CHAIN, STATIC_CHAIN_INCOMING): Remove.
2133         (TARGET_STATIC_CHAIN): Mention that this hook must be used for
2134         static chain passed in memory.
2135         * system.h (STATIC_CHAIN, STATIC_CHAIN_INCOMING): Poison.
2136         * targhooks.c (default_static_chain): Don't handle STATIC_CHAIN,
2137         STATIC_CHAIN_INCOMING.  Issue a sorry if there's no
2138         STATIC_CHAIN_REGNUM defined.
2139
2140         * config/picochip/picochip-protos.h: s/class/klass/.
2141         * config/picochip/picochip.c (TARGET_STATIC_CHAIN): New.
2142         (picochip_static_chain): New.
2143         * config/picochip/picochip.h (STATIC_CHAIN): Remove.
2144         (STATIC_CHAIN_INCOMING): Remove.
2145
2146         * config/xtensa/xtensa.c (TARGET_STATIC_CHAIN): New.
2147         (xtensa_static_chain): New.
2148         * config/xtensa/xtensa.h (STATIC_CHAIN): Remove.
2149         (STATIC_CHAIN_INCOMING): Remove.
2150
2151 2009-09-23  Anatoly Sokolov  <aesok@post.ru>
2152
2153         * config/pa/pa.h (FUNCTION_VALUE): Remove macro.
2154         * config/pa/pa-protos.h (function_value): Remove.
2155         * config/pa/pa.c (pa_function_value): Rename from function_value.
2156         Make static, add 'outgoing' argument.
2157         (TARGET_FUNCTION_VALUE): Define.
2158
2159 2009-09-23  Anatoly Sokolov  <aesok@post.ru>
2160
2161         * config/avr/avr.c (avr_regs_to_save): Use current_function_is_leaf
2162         instead of cfun->machine->is_leaf.
2163         * config/avr/avr.h (machine_function): Remove is_leaf field.
2164
2165 2009-09-23  Jakub Jelinek  <jakub@redhat.com>
2166
2167         PR debug/41439
2168         * dwarf2out.c (address_of_int_loc_descriptor): Don't emit
2169         DW_OP_piece after DW_OP_stack_value, adjust size calculations
2170         for it, when DW_OP_stack_value and DW_OP_implicit_value has
2171         the same size, prefer DW_OP_stack_value.
2172         (loc_descriptor, loc_list_for_address_of_addr_expr_of_indirect_ref,
2173         loc_list_from_tree): Don't emit DW_OP_piece after DW_OP_stack_value.
2174
2175 2009-09-23  Alexandre Oliva  <aoliva@redhat.com>
2176
2177         PR debug/41353
2178         * var-tracking.c (add_with_sets): Sort MO_VAL_LOC last among uses.
2179
2180 2009-09-23  Alexandre Oliva  <aoliva@redhat.com>
2181
2182         PR debug/41248
2183         * cfgexpand.c (convert_debug_memory_address): New.
2184         (expand_debug_expr): Convert base address and offset to the same
2185         mode.  Use it to convert addresses to other modes.  Accept
2186         ptr_mode addresses.
2187
2188 2009-09-23  Richard Guenther  <rguenther@suse.de>
2189
2190         * alias.c (ao_ref_from_mem): Correct for negative MEM_OFFSET
2191         produced for bigendian targets with promoted subregs.
2192
2193 2009-09-23  Richard Guenther  <rguenther@suse.de>
2194
2195         * value-prof.c (gimple_ic): Purge old EH edges only after building
2196         the new ones.
2197
2198 2009-09-23  Nick Clifton  <nickc@redhat.com>
2199
2200         * config/arc/arc.c (arc_trampoline_init): Fix typo.
2201
2202 2009-09-23  Jakub Jelinek  <jakub@redhat.com>
2203
2204         PR bootstrap/41405
2205         * doc/invoke.texi: Document -gstrict-dwarf and -gno-strict-dwarf.
2206
2207         PR bootstrap/41436
2208         * cgraphunit.c (cgraph_lower_function): Set DECL_NO_STATIC_CHAIN
2209         on non-nested functions.
2210
2211 2009-09-23  Jakub Jelinek  <jakub@redhat.com>
2212             Jan Hubicka  <jh@suse.cz>
2213
2214         * dwarf2out.c (loc_list_plus_const): Only define if
2215         DWARF2_DEBUGGING_INFO.
2216         (address_of_int_loc_descriptor): Likewise.
2217
2218         PR debug/41411
2219         * dwarf2out.c (mem_loc_descriptor): Handle HIGH.
2220
2221 2009-09-23  Uros Bizjak  <ubizjak@gmail.com>
2222
2223         PR c/39779
2224         * c-typeck.c (build_binary_op) <short_shift>: Check that integer
2225         constant is more than zero.
2226
2227 2009-09-23  Alan Modra  <amodra@bigpond.net.au>
2228
2229         PR target/40473
2230         * config/rs6000/rs6000.c (rs6000_output_function_prologue): Don't
2231         call final to emit non-scheduled prologue, instead insert at entry.
2232
2233 2009-09-22  Loren J. Rittle  <ljrittle@acm.org>
2234             Joseph S. Myers  <joseph@codesourcery.com>
2235
2236         * doc/install.texi (*-*-freebsd*): Add proper format codes.
2237
2238 2009-09-22  Basile Starynkevitch  <basile@starynkevitch.net>
2239             Rafael Avila de Espindola  <espindola@google.com>
2240
2241         * gengtype.c (is_file_equal): New function.
2242         (close_output_files): Use is_file_equal. Free of->buf.
2243
2244 2009-09-22  Basile Starynkevitch  <basile@starynkevitch.net>
2245             Rafael Avila de Espindola  <espindola@google.com>
2246
2247         * gengtype.c (write_types, write_local): Add the output_header
2248         argument. Update all callers.
2249
2250 2009-09-22  Dodji Seketeli  <dodji@redhat.com>
2251
2252         * dwarf2out.c (template_parameter_pack_die,
2253         gen_formal_parameter_pack_die ): New functions.
2254         (make_ith_pack_parameter_name): Remove this function.
2255         (dwarf_tag_name): Support printing DW_TAG_template_parameter_pack and
2256         DW_TAG_formal_parameter_pack.
2257         (gen_generic_params_dies): Represent each template parameter pack
2258         by a DW_TAG_template_parameter_pack DIE. Argument pack elements are
2259         represented by usual DW_TAG_template_*_parameter DIEs that are
2260         children of the DW_TAG_template_parameter_pack element DIE.
2261         (generic_parameter_die): This doesn't deal with parameter pack
2262         names anymore. Don't generate DW_AT_name for some DIEs, e.g. children
2263         of parameter pack DIEs.
2264         (gen_formal_parameter_die): Add a flag to not emit DW_AT_name
2265         in certain cases, e.g. for pack elements.
2266         (gen_formal_types_die, gen_decl_die): Adjust usage of
2267         gen_formal_parameter_die.
2268         (gen_subprogram_die): Represent each function parameter pack by a
2269         DW_TAG_formal_parameter_pack DIE. Arguments of of the pack are
2270         represented by usual DW_TAG_formal_parameter DIEs that are children
2271         of the DW_TAG_formal_parameter_pack DIE. Remove references to
2272         ____builtin_va_alist decls as no part of the compiler uses those
2273         anymore.
2274         * langhooks.h (struct lang_hooks_for_decls): Add
2275         function_parm_expanded_from_pack_p, get_generic_function_decl
2276         and function_parameter_pack_p hooks.  Fix comment for
2277         get_innermost_generic_parms hook.
2278         * langhooks-def.h (LANG_HOOKS_FUNCTION_PARAMETER_PACK_P,
2279         LANG_HOOKS_FUNCTION_PARM_EXPANDED_FROM_PACK_P ): Declare new hook
2280         macros and use them to initialize lang_hook.
2281
2282 2009-09-22  Richard Henderson  <rth@redhat.com>
2283
2284         * system.h (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Poison.
2285         (TRAMPOLINE_ADJUST_ADDRESS): Poison.
2286         * target-def.h (TARGET_ASM_TRAMPOLINE_TEMPLATE): Don't conditionalize
2287         on TRAMPOLINE_TEMPLATE.
2288         (TARGET_TRAMPOLINE_ADJUST_ADDRESS): Don't conditionalize on
2289         TRAMPOLINE_ADJUST_ADDRESS.
2290         * targhooks.c (default_asm_trampoline_template): Remove.
2291         (default_trampoline_adjust_address): Remove.
2292         (default_trampoline_init): Don't handle INITIALIZE_TRAMPOLINE.
2293         * targhooks.h: Update decls.
2294
2295 2009-09-22  Dave Korn  <dave.korn.cygwin@gmail.com>
2296
2297         * config/i386/cygming.h (TARGET_USE_JCR_SECTION): Enable.
2298         * config/i386/cygwin.h (LIBGCJ_SONAME): Define.
2299         * config/i386/mingw32.h (LIBGCJ_SONAME): Likewise.
2300
2301 2009-09-22  Alexandre Oliva  <aoliva@redhat.com>
2302
2303         PR debug/41295
2304         * reload1.c (reload): Reset debug insns with pseudos without
2305         equivalences.
2306
2307 2009-09-22  Janis Johnson  <janis187@us.ibm.com>
2308
2309         * config/i386/i386.c (ix86_scalar_mode_supported_p): Don't return
2310         unconditional true for decimal float modes.
2311         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): Ditto.
2312         * config/s390/s390.c (s390_scalar_mode_supported_p): Ditto.
2313
2314 2009-09-22  Loren J. Rittle  <ljrittle@acm.org>
2315
2316         * unwind-dw2-fde-glibc.c: Define and use USE_PT_GNU_EH_FRAME.
2317         Enable a new case for __FreeBSD__ >= 7.
2318         * crtstuff.c:  Define USE_PT_GNU_EH_FRAME for __FreeBSD__ >= 7.
2319         * config/t-freebsd: Define LIB2ADDEH and LIB2ADDEHDEP.
2320         * config/freebsd-spec.h: Conditionally define LINK_EH_SPEC
2321         and USE_LD_AS_NEEDED.
2322
2323         * doc/install.texi (*-*-freebsd*): Update target information.
2324
2325 2009-09-22  Richard Guenther  <rguenther@suse.de>
2326
2327         PR middle-end/41395
2328         * tree-dfa.c (get_ref_base_and_extent): Handle trailing
2329         arrays really properly.
2330
2331 2009-09-22  Richard Henderson  <rth@redhat.com>
2332
2333         PR target/41246
2334         * target.h (struct gcc_target): Add asm_out.trampoline_template,
2335         calls.static_chain, calls.trampoline_init,
2336         calls.trampoline_adjust_address.
2337         * target-def.h (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
2338         (TARGET_STATIC_CHAIN, TARGET_TRAMPOLINE_INIT): New.
2339         (TARGET_TRAMPOLINE_ADJUST_ADDRESS): New.
2340         * builtins.c (expand_builtin_setjmp_receiver): Use
2341         targetm.calls.static_chain; only clobber registers.
2342         (expand_builtin_init_trampoline): Use targetm.calls.trampoline_init;
2343         set up memory attributes properly for the trampoline block.
2344         (expand_builtin_adjust_trampoline): Use
2345         targetm.calls.trampoline_adjust_address.
2346         * calls.c (prepare_call_address): Add fndecl argument.  Use
2347         targetm.calls.static_chain.
2348         * df-scan.c (df_need_static_chain_reg): Remove.
2349         (df_get_entry_block_def_set): Use targetm.calls.static_chain;
2350         consolodate static chain handling.
2351         * doc/tm.texi: Document new hooks.
2352         * emit-rtl.c (static_chain_rtx, static_chain_incoming_rtx): Remove.
2353         (init_emit_regs): Don't initialize them.
2354         * expr.h (prepare_call_address): Update decl.
2355         * final.c (profile_function): Use targetm.calls.static_chain.
2356         * function.c (expand_function_start): Likewise.
2357         * rtl.h (static_chain_rtx, static_chain_incoming_rtx): Remove.
2358         * stmt.c (expand_nl_goto_receiver): Use targetm.calls.static_chain;
2359         only clobber registers.
2360         * targhooks.c (default_static_chain): New.
2361         (default_asm_trampoline_template, default_trampoline_init): New.
2362         (default_trampoline_adjust_address): New.
2363         * targhooks.h: Declare them.
2364         * varasm.c (assemble_trampoline_template): Use
2365         targetm.asm_out.trampoline_template.  Make the memory block const
2366         and set its size.
2367
2368         * config/alpha/alpha.c (alpha_trampoline_init): Rename from
2369         alpha_initialize_trampoline.  Make static.  Merge VMS parameter
2370         differences into the TARGET_ABI_OPEN_VMS code block.
2371         (TARGET_TRAMPOLINE_INIT): New.
2372         * config/alpha/alpha.h (TRAMPOLINE_TEMPLATE): Remove.
2373         (TRAMPOLINE_SECTION, INITIALIZE_TRAMPOLINE): Remove.
2374         * config/alpha/vms.h (TRAMPOLINE_SIZE, TRAMPOLINE_ALIGNMENT): Remove.
2375         (INITIALIZE_TRAMPOLINE): Remove.
2376
2377         * config/arc/arc.h (TRAMPOLINE_ALIGNMENT): New.
2378         (TRAMPOLINE_TEMPLATE): Merge with ...
2379         (INITIALIZE_TRAMPOLINE): ... this and move ...
2380         * config/arc/arc.c (arc_trampoline_init): ... here.
2381         (TARGET_TRAMPOLINE_INIT): New.
2382
2383         * config/arm/arm.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
2384         (TARGET_TRAMPOLINE_INIT, TARGET_TRAMPOLINE_ADJUST_ADDRESS): New.
2385         (arm_asm_trampoline_template): New.
2386         (arm_trampoline_init, arm_trampoline_adjust_address): New.
2387         * config/arm/arm.h (TRAMPOLINE_TEMPLATE, ARM_TRAMPOLINE_TEMPLATE,
2388         THUMB2_TRAMPOLINE_TEMPLATE, THUMB1_TRAMPOLINE_TEMPLATE): Move all
2389         code to arm_asm_trampoline_template.
2390         (TRAMPOLINE_ADJUST_ADDRESS): Move code to
2391         arm_trampoline_adjust_address.
2392         (INITIALIZE_TRAMPOLINE): Move code to arm_trampoline_init;
2393         adjust for target hook parameters.
2394
2395         * config/avr/avr.h (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE):
2396         Remove.
2397
2398         * config/bfin/bfin-protos.h (initialize_trampoline): Remove.
2399         * config/bfin/bfin.c (bfin_asm_trampoline_template): New.
2400         (bfin_trampoline_init): Rename from initialize_trampoline;
2401         make static; update for target hook parameters.
2402         (TARGET_ASM_TRAMPOLINE_TEMPLATE, TARGET_TRAMPOLINE_INIT): New.
2403         * config/bfin/bfin.h (TRAMPOLINE_TEMPLATE): Move code to
2404         bfin_asm_trampoline_template.
2405         (INITIALIZE_TRAMPOLINE): Remove.
2406
2407         * config/cris/cris.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
2408         TARGET_TRAMPOLINE_INIT, cris_asm_trampoline_template,
2409         cris_trampoline_init): New.
2410         * config/cris/cris.h (TRAMPOLINE_TEMPLATE): Move code to
2411         cris_asm_trampoline_template.
2412         (INITIALIZE_TRAMPOLINE): Move code to cris_trampoline_init;
2413         adjust for target hook parameters.
2414
2415         * config/crx/crx.h (INITIALIZE_TRAMPOLINE): Remove.
2416
2417         * config/fr30/fr30.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
2418         TARGET_TRAMPOLINE_INIT, fr30_asm_trampoline_template,
2419         fr30_trampoline_init): New.
2420         * config/fr30/fr30.h (TRAMPOLINE_TEMPLATE): Move code to
2421         fr30_asm_trampoline_template.
2422         (INITIALIZE_TRAMPOLINE): Move code to fr30_trampoline_init;
2423         adjust for target hook parameters.
2424
2425         * config/frv/frv.c (TARGET_TRAMPOLINE_INIT): New.
2426         (frv_trampoline_init): Rename from frv_initialize_trampoline;
2427         make static, adjust arguments for TARGET_TRAMPOLINE_INIT hook.
2428         * config/frv/frv.h (INITIALIZE_TRAMPOLINE): Remove.
2429         * config/frv/frv-protos.h (frv_initialize_trampoline): Remove.
2430
2431         * config/h8300/h8300.c (h8300_trampoline_init): New.
2432         (TARGET_TRAMPOLINE_INIT): New.
2433         * config/h8300/h8300.h (INITIALIZE_TRAMPOLINE): Move code
2434         to h8300_trampoline_init and adjust for hook parameters.
2435
2436         * config/ia64/ia64-protos.h (ia64_initialize_trampoline): Remove.
2437         * config/ia64/ia64.c (TARGET_TRAMPOLINE_INIT): New.
2438         (ia64_trampoline_init): Rename from ia64_initialize_trampoline;
2439         make static; adjust for hook parameters.
2440         * config/ia64/ia64.h (INITIALIZE_TRAMPOLINE): Remove.
2441
2442         * config/iq2000/iq2000.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
2443         (TARGET_TRAMPOLINE_INIT): New.
2444         (iq2000_asm_trampoline_template, iq2000_trampoline_init): New.
2445         * config/iq2000/iq2000.h (TRAMPOLINE_TEMPLATE): Move code to
2446         iq2000_asm_trampoline_template.
2447         (INITIALIZE_TRAMPOLINE): Move code to iq2000_trampoline_init.
2448         (TRAMPOLINE_CODE_SIZE): New.
2449         (TRAMPOLINE_SIZE): Use it.
2450         (TRAMPOLINE_ALIGNMENT): Follow Pmode.
2451
2452         * config/m32c/m32c-protos.h (m32c_initialize_trampoline): Remove.
2453         * config/m32c/m32c.c (TARGET_TRAMPOLINE_INIT): New.
2454         (m32c_trampoline_init): Rename from m32c_initialize_trampoline;
2455         adjust for hook parameters.
2456         * config/m32c/m32c.h (INITIALIZE_TRAMPOLINE): Remove.
2457
2458         * config/m32r/m32r.c (TARGET_TRAMPOLINE_INIT): New.
2459         (m32r_trampoline_init): New.
2460         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Move code to
2461         m32r_trampoline_init.
2462
2463         * config/m68hc11/m68hc11.c (TARGET_TRAMPOLINE_INIT): New.
2464         (m68hc11_trampoline_init): Rename from m68hc11_initialize_trampoline;
2465         make static; update for hook parameters.
2466         * config/m68hc11/m68hc11-protos.h: Update.
2467         * config/m68hc11/m68hc11.h (INITIALIZE_TRAMPOLINE): Remove.
2468
2469         * config/mcore/mcore.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
2470         (TARGET_TRAMPOLINE_INIT): New.
2471         (mcore_function_value): Fix typo.
2472         (mcore_asm_trampoline_template, mcore_trampoline_init): New.
2473         * config/mcore/mcore.h (TRAMPOLINE_TEMPLATE): Move code
2474         to mcore_asm_trampoline_template.
2475         (INITIALIZE_TRAMPOLINE): Move code to mcore_trampoline_init.
2476
2477         * config/mep/mep.h (INITIALIZE_TRAMPOLINE): Remove.
2478         * config/mep/mep.c (TARGET_TRAMPOLINE_INIT): New.
2479         (mep_trampoline_init): Rename from mep_init_trampoline; make static;
2480         update for hook parameters.
2481         * config/mep/mep-protos.h (mep_init_trampoline): Remove.
2482
2483         * config/mips/mips.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
2484         mips_asm_trampoline_template, TARGET_TRAMPOLINE_INIT,
2485         mips_trampoline_init): New.
2486         * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Move code to
2487         mips_asm_trampoline_template.
2488         (INITIALIZE_TRAMPOLINE): Move code to mips_trampoline_init;
2489         update for hook parameters.
2490
2491         * gcc/config/mmix/mmix.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
2492         (TARGET_TRAMPOLINE_INIT): New.
2493         (mmix_trampoline_size): Remove.
2494         (mmix_asm_trampoline_template): Rename from mmix_trampoline_template;
2495         make static.  Remove out-of-date tetra vs octa comment.
2496         (mmix_trampoline_init): Rename from mmix_initialize_trampoline;
2497         make static; update for hook parameters.
2498         * config/mmix/mmix.h (TRAMPOLINE_TEMPLATE): Remove.
2499         (INITIALIZE_TRAMPOLINE): Remove.
2500         (TRAMPOLINE_SIZE): Use a constant instead of mmix_trampoline_size.
2501         (TRAMPOLINE_ALIGNMENT): New.
2502         * gcc/config/mmix/mmix-protos.h: Update.
2503
2504         * config/mn10300/mn10300.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
2505         mn10300_asm_trampoline_template, TARGET_TRAMPOLINE_INIT,
2506         mn10300_trampoline_init): New.
2507         * config/mn10300/mn10300.h (TRAMPOLINE_TEMPLATE): Move code to
2508         mn10300_asm_trampoline_template.
2509         (INITIALIZE_TRAMPOLINE): Move code to mn10300_trampoline_init.
2510
2511         * config/moxie/moxie.c (moxie_static_chain,
2512         moxie_asm_trampoline_template, moxie_trampoline_init,
2513         TARGET_STATIC_CHAIN, TARGET_ASM_TRAMPOLINE_TEMPLATE,
2514         TARGET_TRAMPOLINE_INIT): New.
2515         * config/moxie/moxie.h (INITIALIZE_TRAMPOLINE): Move code to
2516         moxie_trampoline_init.
2517         (TRAMPOLINE_TEMPLATE): Move code to moxie_asm_trampoline_template.
2518         (STATIC_CHAIN, STATIC_CHAIN_INCOMING): Remove.
2519
2520         * gcc/config/pa/pa.c (TARGET_ASM_TRAMPOLINE_TEMPLATE,
2521         pa_asm_trampoline_template, TARGET_TRAMPOLINE_INIT,
2522         pa_trampoline_init, TARGET_TRAMPOLINE_ADJUST_ADDRESS,
2523         pa_trampoline_adjust_address): New.
2524         * config/pa/pa.h (TRAMPOLINE_TEMPLATE): Move code to
2525         pa_asm_trampoline_template.
2526         (TRAMPOLINE_ALIGNMENT): New.
2527         (TRAMPOLINE_CODE_SIZE): Move to pa.c.
2528         (INITIALIZE_TRAMPOLINE): Move code to pa_trampoline_init;
2529         adjust for hook parameters.
2530         (TRAMPOLINE_ADJUST_ADDRESS): Move code to pa_trampoline_adjust_address.
2531
2532         * config/pdp11/pdp11.c (pdp11_trampoline_init): New.
2533         (TARGET_TRAMPOLINE_INIT): New.
2534         * config/pdp11/pdp11.h (TRAMPOLINE_TEMPLATE): Remove.
2535         (INITIALIZE_TRAMPOLINE): Move code to pdp11_trampoline_init.
2536
2537         * config/picochip/picochip.h (INITIALIZE_TRAMPOLINE): Remove.
2538
2539         * config/rs6000/rs6000-protos.h (rs6000_initialize_trampoline): Remove.
2540         * config/rs6000/rs6000.c (TARGET_TRAMPOLINE_INIT): New.
2541         (rs6000_trampoline_init): Rename from rs6000_initialize_trampoline;
2542         make static; adjust parameters for the hook.
2543         * config/rs6000/rs6000.h (INITIALIZE_TRAMPOLINE): Remove.
2544
2545         * config/s390/s390.c (s390_asm_trampoline_template): Rename from
2546         s390_trampoline_template; make static.
2547         (s390_trampoline_init): Rename from s390_initialize_trampoline;
2548         make static; adjust for target hook.
2549         (TARGET_ASM_TRAMPOLINE_TEMPLATE, TARGET_TRAMPOLINE_INIT): New.
2550         * config/s390/s390-protos.h: Remove trampoline decls.
2551         * config/s390/s390.h (INITIALIZE_TRAMPOLINE): Remove.
2552         (TRAMPOLINE_TEMPLATE): Remove.
2553         (TRAMPOLINE_ALIGNMENT): New.
2554
2555         * config/score/score-protos.h (score_initialize_trampoline): Remove.
2556         * config/score/score.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
2557         (TARGET_TRAMPOLINE_INIT): New.
2558         (score_asm_trampoline_template): New.
2559         (score_trampoline_init): Rename from score_initialize_trampoline;
2560         make static; adjust for hook parameters.
2561         * config/score/score.h (TRAMPOLINE_TEMPLATE): Move code to
2562         score[37]_asm_trampoline_template.
2563         (INITIALIZE_TRAMPOLINE): Remove.
2564         * config/score/score3.c (score3_asm_trampoline_template): New.
2565         (score3_trampoline_init): Rename from score3_initialize_trampoline;
2566         adjust for target hook.
2567         * config/score/score7.c (score7_asm_trampoline_template): New.
2568         (score7_trampoline_init): Rename from score7_initialize_trampoline;
2569         adjust for target hook.
2570         * config/score/score3.h, config/score/score7.h: Update.
2571
2572         * config/sh/sh-protos.h (sh_initialize_trampoline): Remove.
2573         * config/sh/sh.c (TARGET_TRAMPOLINE_INIT): New.
2574         (TARGET_TRAMPOLINE_ADJUST_ADDRESS): New.
2575         (sh_trampoline_init): Rename from sh_initialize_trampoline;
2576         make static; adjust for target hook parameters.
2577         (sh_trampoline_adjust_address): New.
2578         * config/sh/sh.h (INITIALIZE_TRAMPOLINE): New.
2579         (TRAMPOLINE_ADJUST_ADDRESS): Move code to sh_trampoline_adjust_address.
2580
2581         * config/sparc/sparc.c (TARGET_TRAMPOLINE_INIT): New.
2582         (sparc32_initialize_trampoline): Rename from
2583         sparc_initialize_trampoline; make static; replace tramp parameter
2584         with m_tramp and update memory accesses.
2585         (sparc64_initialize_trampoline): Similarly.
2586         (sparc_trampoline_init): New.
2587         * config/sparc/sparc-protos.h: Remove trampoline decls.
2588         * config/sparc/sparc.h (INITIALIZE_TRAMPOLINE): Remove.
2589         * config/sparc/sparc.md (nonlocal_goto): Don't use static_chain_rtx.
2590
2591         * config/spu/spu.c (TARGET_TRAMPOLINE_INIT): New.
2592         (array_to_constant): Make ARR parameter const.
2593         (spu_trampoline_init): Rename from spu_initialize_trampoline;
2594         make static; update for hook parameters.
2595         * config/spu/spu-protos.h: Update decls.
2596         * config/spu/spu.h (INITIALIZE_TRAMPOLINE): Remove.
2597
2598         * config/stormy16/stormy16.c (xstormy16_trampoline_init): Rename
2599         from xstormy16_initialize_trampoline; make static; update for
2600         hook parameters.
2601         (TARGET_TRAMPOLINE_INIT): New.
2602         * config/stormy16/stormy16.h (INITIALIZE_TRAMPOLINE): Remove.
2603
2604         * config/v850/v850.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
2605         (TARGET_TRAMPOLINE_INIT): New.
2606         (v850_can_eliminate): Make static.
2607         (v850_asm_trampoline_template, v850_trampoline_init): New.
2608         * config/v850/v850.h (TRAMPOLINE_TEMPLATE): Move code to
2609         v850_asm_trampoline_template.
2610         (INITIALIZE_TRAMPOLINE): Move code to v850_trampoline_init
2611         and adjust for target hook parameters.
2612
2613         * config/vax/vax.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
2614         (TARGET_TRAMPOLINE_INIT): New.
2615         (vax_asm_trampoline_template, vax_trampoline_init): New.
2616         * config/vax/vax.h (TRAMPOLINE_TEMPLATE): Move code to
2617         vax_asm_trampoline_template.
2618         (INITIALIZE_TRAMPOLINE): Move code to vax_trampoline_init.
2619
2620         * config/xtensa/xtensa.c (TARGET_ASM_TRAMPOLINE_TEMPLATE): New.
2621         (TARGET_TRAMPOLINE_INIT): New.
2622         (xtensa_asm_trampoline_template): Rename from
2623         xtensa_trampoline_template; make static.
2624         (xtensa_trampoline_init): Rename from xtensa_initialize_trampoline;
2625         make static; update for hook parameters.
2626         * config/xtensa/xtensa-protos.h: Remove trampoline decls.
2627         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Remove.
2628         (INITIALIZE_TRAMPOLINE): Remove.
2629
2630         * config/i386/i386.c (ix86_function_regparm): Do not issue an
2631         error for nested functions with regparm=3.
2632         (ix86_compute_frame_layout): Adjust frame pointer offset for
2633         ix86_static_chain_on_stack.
2634         (ix86_expand_prologue): Handle ix86_static_chain_on_stack.
2635         (ix86_emit_restore_reg_using_pop): Increment ix86_cfa_state->offset,
2636         don't reset to UNITS_PER_WORD.
2637         (ix86_emit_leave): Adjust ix86_cfa_state.
2638         (ix86_expand_epilogue): Handle ix86_static_chain_on_stack.
2639         (ix86_static_chain): New.
2640         (ix86_trampoline_init): Rename from x86_initialize_trampoline;
2641         make static; update for target hook parameters; use ix86_static_chain.
2642         (TARGET_STATIC_CHAIN, TARGET_TRAMPOLINE_INIT): New.
2643         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Remove.
2644         (INITIALIZE_TRAMPOLINE): Remove.
2645         (TRAMPOLINE_SIZE): Use 24 for 64-bit.
2646         (struct machine_function): Use BOOL_BITFIELD; rearrange bitfields
2647         to the end.  Add static_chain_on_stack.
2648         (ix86_static_chain_on_stack): New.
2649
2650         * config/m68k/m68k.c (TARGET_TRAMPOLINE_INIT): New.
2651         (m68k_output_mi_thunk): Don't use static_chain_rtx.
2652         (m68k_trampoline_init): New.
2653         * config/m68k/m68k.h (INITIALIZE_TRAMPOLINE): Move code to
2654         m68k_trampoline_init and adjust for hook parameters.
2655         * config/m68k/netbsd-elf.h (TRAMPOLINE_TEMPLATE): Remove.
2656         (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Remove.
2657
2658 2009-09-22  Jakub Jelinek  <jakub@redhat.com>
2659
2660         * config/rs6000/rs6000.c (bdesc_2arg): Fix CODE_FOR_vector_gt* codes
2661         for __builtin_altivec_vcmpgt{sb,uh,sh,uw}.
2662
2663         * reload1.c (reload): Call wrap_constant when substituting
2664         reg for equiv inside of DEBUG_INSNs.
2665
2666         PR bootstrap/41405
2667         * dwarf2out.c (base_type_die, record_type_tag, gen_subprogram_die,
2668         add_call_src_coords_attributes, add_high_low_attributes,
2669         gen_compile_unit_die, gen_type_die_with_usage force_decl_die,
2670         gen_decl_die, dwarf2out_imported_module_or_decl_1, dwarf2out_finish,
2671         dwarf2out_imported_module_or_decl): Avoid using DWARF3 additions
2672         when -gdwarf-2 -gstrict-dwarf.
2673         (loc_list_from_tree): Likewise.  Avoid using DWARF4 additions when
2674         -gdwarf-[23] -gstrict-dwarf.
2675         (address_of_int_loc_descriptor, loc_descriptor,
2676         loc_list_for_address_of_addr_expr_of_indirect_ref): Avoid using
2677         DWARF4 additions when -gdwarf-[23] -gstrict-dwarf.
2678         * common.opt (gno-strict-dwarf, gstrict-dwarf): New options.
2679
2680 2009-09-22  Richard Guenther  <rguenther@suse.de>
2681
2682         PR tree-optimization/41428
2683         * tree-ssa-ccp.c (ccp_fold_stmt): New function.
2684         (ccp_finalize): Pass it to substitute_and_fold.
2685
2686 2009-09-22  Richard Guenther  <rguenther@suse.de>
2687
2688         * tree-ssa-propagate.h (ssa_prop_fold_stmt_fn): Declare.
2689         (substitute_and_fold): Adjust prototype.
2690         * tree-vrp.c (vrp_evaluate_conditional): Make static.
2691         (simplify_stmt_using_ranges): Likewise.
2692         (fold_predicate_in): Move here from tree-ssa-propagate.c.
2693         (vrp_fold_stmt): New function.
2694         (vrp_finalize): Pass it to substitute_and_fold.
2695         * tree-flow.h (vrp_evaluate_conditional): Remove.
2696         (simplify_stmt_using_ranges): Likewise.
2697         * tree-ssa-ccp.c (ccp_finalize): Adjust call to substitute_and_fold.
2698         * tree-ssa-copy.c (fini_copy_prop): Likewise.
2699         * tree-ssa-propagate.c (struct prop_stats_d): Rename num_pred_folded
2700         member.
2701         (fold_predicate_in): Move to tree-vrp.c.
2702         (substitute_and_fold): Use the callback instead of calling into
2703         tree-vrp.c functions directly.
2704
2705 2009-09-22  Jakub Jelinek  <jakub@redhat.com>
2706
2707         * dwarf2out.c (address_of_int_loc_descriptor): Avoid signed/unsigned
2708         comparison warning on rs6000.
2709
2710         PR middle-end/41429
2711         * tree-cfg.c (remove_useless_stmts_tc): Call gsi_next (gsi) even for
2712         GIMPLE_EH_MUST_NOT_THROW cleanup.
2713         (verify_types_in_gimple_stmt): Handle GIMPLE_EH_MUST_NOT_THROW.
2714
2715 2009-09-22  Jack Howarth  <howarth@bromo.med.uc.edu>
2716
2717         PR middle-end/41260
2718         * gcc/config.gcc: Use darwin9.h and darwin10.h on darwin10 and later.
2719         * gcc/config/darwin10.h: Add file to pass -no_compact_unwind on
2720         LIB_SPEC for darwin10 and later since it always uses the unwinder in
2721         libSystem which is derived from the gcc 4.2.1 unwinder.
2722
2723 2009-09-22  Dave Korn  <dave.korn.cygwin@gmail.com>
2724
2725         PR middle-end/41357
2726         * varasm.c (default_encode_section_info): Copy TLS model into
2727         sym_ref flags regardless of backend support for TLS, for all
2728         model types except TLS_MODEL_EMULATED.
2729
2730 2009-09-22  Dave Korn  <dave.korn.cygwin@gmail.com>
2731
2732         PR bootstrap/41404
2733         * dwarf2out.c (mem_loc_descriptor): Punt on CONST_STRING until
2734         we can handle it correctly.
2735
2736 2009-09-21  Gerald Pfeifer  <gerald@pfeifer.com>
2737
2738         * doc/install.texi (os2): Remove section.
2739
2740 2009-09-21  Gerald Pfeifer  <gerald@pfeifer.com>
2741
2742         * doc/standards.texi (Objective-C): Adjust two URLs.
2743
2744 2009-09-21  Giuseppe Scrivano <gscrivano@gnu.org>
2745
2746         * tree-tailcall.c (process_assignment): Don't check if a
2747         multiplication or an addition are already present.
2748         (find_tail_calls): Combine multiple additions and multiplications.
2749         (adjust_accumulator_values): Emit accumulators.
2750
2751 2009-09-21  Kai Tietz  <kai.tietz@onevision.com>
2752
2753         * config/i386/i386.c (ix86_expand_epilogue): Adjust offset for
2754         xmm register restore.
2755
2756 2009-09-21  Jan Hubicka  <jh@suse.cz>
2757
2758         * dwarf2out.c (decl_loc_table_eq): Allow decl_loc_table to be NULL.
2759         (dwarf2out_abstract_function): NULLify decl_loc_table at begginig and
2760         restore at the end.
2761
2762 2009-09-21  Eric Botcazou  <ebotcazou@adacore.com>
2763
2764         * stor-layout.c (layout_type): Remove obsolete code.
2765
2766 2009-09-20  H.J. Lu  <hongjiu.lu@intel.com>
2767
2768         PR middle-end/41395
2769         * opts.c (decode_options): Don't turn on flag_ipa_sra for opt2.
2770
2771 2009-09-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2772
2773         PR middle-end/30789
2774         * builtins.c (do_mpc_arg2): Accept DO_NONFINITE parameter.
2775         (do_mpc_ckconv): Accept FORCE_CONVERT parameter.
2776         (fold_builtin_2, do_mpc_arg1): Update accordingly.
2777         * fold-const.c (const_binop): Likewise.
2778         * real.h (do_mpc_arg2): Update prototype.
2779
2780 2009-09-20  Jan Hubicka  <jh@suse.cz>
2781
2782         * dwarf2out.c (add_const_value_attribute): Return true if successful.
2783         (add_location_or_const_value_attribute): Rewrite using
2784         loc_list_from_tree.
2785         (tree_add_const_value_attribute): Return true if successful.
2786         (tree_add_const_value_attribute_for_decl): Likewise.
2787
2788         * dwarf2out.c (address_of_int_loc_descriptor): Break out from ...
2789         (loc_descriptor): ... here;
2790         (loc_list_for_address_of_addr_expr_of_indirect_ref): New function.
2791         (cst_pool_loc_descr): Break out from ...; do not reffer constant
2792         pool items that was not marked for output.
2793         (loc_list_from_tree): ... here; handle special cases of ADDR_EXPR;
2794         (loc_list_for_address_of_addr_expr_of_indirect_ref): New function.
2795         (loc_list_for_address_of_addr_expr_of_indirect_ref): New function.
2796         handle ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, REALPART_EXPR,
2797         IMAGPART_EXPR; handle address of INTEGER_CST; improve handling of
2798         CONSTRUCTOR; handle REAL_CST, STRING_CST, COMPLEX_CST; use
2799         DW_OP_stack_value to get address of items that are not available
2800         as addresses.
2801         (dw_loc_list): Handle single element lists correctly.
2802
2803 2009-09-20  Kai Tietz  <kai.tietz@onevision.com>
2804             Pascal Obry  <obry@adacore.com>
2805
2806         * unwind-dw2-fde.c (classify_object_over_fdes):
2807         Cast the constant 1 to _Unwind_Ptr.
2808         (add_fdes): Likewise.
2809         (linear_search_fdes): Likewise.
2810
2811 2009-09-20  Eric Botcazou  <ebotcazou@adacore.com>
2812
2813         * stor-layout.c (set_sizetype): Avoid useless type copy.
2814
2815 2009-09-20  Richard Sandiford  <rdsandiford@googlemail.com>
2816
2817         * configure.ac (gcc_cv_ld_mips_personality_relaxation): New
2818         feature check.
2819         (HAVE_LD_PERSONALITY_RELAXATION): New macro definition.
2820         * configure, config.in: Regenerate.
2821         * dwarf2asm.c (eh_data_format_name): Handle DW_EH_PE_indirect |
2822         DW_EH_PE_absptr.
2823         * config/mips/mips.h (TARGET_WRITABLE_EH_FRAME): New macro.
2824         (ASM_PREFERRED_EH_DATA_FORMAT): Define.  Use MIPS_EH_INDIRECT
2825         for global data if the output could be used in a shared library.
2826         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
2827         to 0 if TARGET_WRITABLE_EH_FRAME.
2828
2829 2009-09-20  Paolo Bonzini <bonzini@gnu.org>
2830
2831         PR rtl-optimization/39886
2832         * combine.c (update_cfg_for_uncondjump): Set EDGE_FALLTHRU
2833         just when insn is equal to BB_END (bb).
2834
2835 2009-09-19  Adam Nemet  <anemet@caviumnetworks.com>
2836
2837         * config/mips/mips.opt (mrelax-pic-calls): New option.
2838         * config/mips/mips.c (mips_strip_unspec_address): Move it up in
2839         the file.
2840         (mips_unspec_call): Change "unspec_call" expander into this.
2841         (mips_strip_unspec_call): New function.
2842         (mips_got_load): Call mips_unspec_call instead of
2843         gen_unspec_call<mode>.
2844         (mips16_build_call_stub): Fix comment for fp_code.  Adjust call to
2845         MIPS_CALL.
2846         (mips_cfg_in_reorg): New function.
2847         (mips16_lay_out_constants): Use it to decide whether to call
2848         CFG-aware insn splitting.
2849         (r10k_insert_cache_barriers): Move CFG set-up code from here to
2850         mips_reorg.  Move DF set-up code from here ...
2851         (mips_df_reorg): ... to here.  Call r10k_insert_cache_barriers
2852         from here.
2853         (mips_reorg): Call mips_df_reorg instead of
2854         r10k_insert_cache_barriers.  Move CFG set-up code here from
2855         r10k_insert_cache_barriers.
2856         (mips_call_expr_from_insn): New function.
2857         (mips_pic_call_symbol_from_set): Likewise.
2858         (mips_find_pic_call_symbol): Likewise.
2859         (mips_annotate_pic_call_expr): Likewise.
2860         (mips_get_pic_call_symbol): Likewise.
2861         (mips_annotate_pic_calls): Likewise.
2862         (mips_override_options): Disable -mrelax-pic-calls unless PIC
2863         calls are used.
2864         (mips_set_mips16_mode): Disable -mrelax-pic-calls for MIPS16.
2865         * config/mips/mips-protos.h (mips_get_pic_call_symbol): Declare it.
2866         * config/mips/mips.h (MIPS_CALL): Use it to print the .reloc
2867         directive.
2868         * config/mips/mips.md (UNSPEC_CALL_ATTR): New unspec.
2869         (unspec_call<mode>): Remove it.
2870         (sibcall_internal, sibcall_value_internal,
2871         sibcall_value_multiple_internal, call_internal, call_split,
2872         call_value_internal, call_value_split,
2873         call_value_multiple_internal, call_value_multiple_split): Pass
2874         SIZE_OPNO to MIPS_CALL.
2875         (call_internal_direct, call_direct_split,
2876         call_value_internal_direct, call_value_direct_split): Pass -1 as
2877         SIZE_OPNO to MIPS_CALL.
2878         * configure.ac <mips*-*-*>: Add test for .reloc R_MIPS_JALR.
2879         * configure: Regenerate.
2880         * doc/invoke.texi (Option Summary): Add -mrelax-pic-calls
2881         and -mno-relax-pic-calls.
2882         (MIPS Options): Document -mrelax-pic-calls and -mno-relax-pic-calls.
2883
2884 2009-09-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2885
2886         PR bootstrap/35619
2887         * Makefile.in (stmp-fixinc): Ensure `include-fixed' is created
2888         in the directory this rule is called from, rather than the
2889         toplevel 'gcc' directory, to fix in-tree build.
2890
2891 2009-09-19  Chris Demetriou  <cgd@google.com>
2892
2893         PR preprocessor/28435:
2894         * c-opts.c (c_common_handle_option): For -MD and -MMD, indicate
2895         to cpplib that the preprocessor output is needed.
2896
2897 2009-09-19  Jakub Jelinek  <jakub@redhat.com>
2898
2899         * config/rs6000/rs6000.md (*save_gpregs_<mode>, *save_fpregs_<mode>,
2900         *restore_gpregs_<mode>, *return_and_restore_gpregs_<mode>,
2901         *return_and_restore_fpregs_<mode>,
2902         *return_and_restore_fpregs_aix_<mode>): Remove 'z' operand modifier.
2903
2904         PR bootstrap/41397
2905         * dwarf2out.c (mem_loc_descriptor) <case SUBREG>: Recurse
2906         instead of assuming it has always a REG inside of it.
2907
2908 2009-09-18  Gerald Pfeifer  <gerald@pfeifer.com>
2909
2910         * config/freebsd.h: Update comment on types.
2911         (WINT_TYPE): Define.
2912
2913 2009-09-18  Jason Merrill  <jason@redhat.com>
2914
2915         * c.opt: Add -fno-deduce-init-list.
2916
2917 2009-09-18  Neil Vachharajani  <nvachhar@google.com>
2918
2919         * value-prof.c (interesting_stringop_to_profile_p): Added output
2920         argument to indicate which parameter is the size parameter.
2921         * value-prof.c (gimple_stringop_fixed_value): Use
2922         INTERESTING_STRINGOP_TO_PROFILE_P to find size argument.
2923         * value-prof.c (gimple_stringops_transform): Update call sites to
2924         INTERESTING_STRINGOP_TO_PROFILE_P to reflect parameter change.
2925
2926 2009-09-18  Uros Bizjak  <ubizjak@gmail.com>
2927
2928         PR target/38288
2929         From David Binderman <dcb314@hotmail.com>:
2930         * gcc/config/i386/i386.c (ix86_function_regparm): Remove useless
2931         local variable f.  Remove stale comments.
2932         (ix86_compute_frame_layout): Remove useless local variable total_size.
2933         Remove #if 0'd code.
2934         (legitimate_address_p): Remove useless local variables
2935         reason_rtx and reason.
2936         (ix86_split_copysign_const): Remove useless local variable op1.
2937         (scale_counter): Remove useless local variable piece_size_mask.
2938
2939 2009-09-18  Jakub Jelinek  <jakub@redhat.com>
2940
2941         * stmt.c (expand_asm_operands): Set REG_ATTRS on the temporary from
2942         output decl.
2943
2944 2009-09-17  Michael Haubenwallner  <michael.haubenwallner@salomon.at>
2945
2946         PR target/40913
2947         * config/pa/t-hpux-shlib: Set soname in libgcc_s.sl.
2948
2949 2009-09-17  Jakub Jelinek  <jakub@redhat.com>
2950
2951         * c-decl.c (finish_struct): Adjust DECL_SOURCE_LOCATION of
2952         TYPE_STUB_DECL.
2953
2954 2009-09-17  Alexandre Oliva  <aoliva@redhat.com>
2955
2956         * dwarf2out.c (loc_descriptor): Emit DW_OP_stack_value and
2957         DW_OP_implicit_value even without dwarf_version 4.
2958
2959 2009-09-17  Jan Hubicka  <jh@suse.cz>
2960
2961         * dwarf2out.c: Include tree-pass.h and gimple.h.
2962         (loc_list_plus_const): New function.
2963         (loc_descriptor_from_tree_1): Rename to ...
2964         (loc_descriptor_from_tree): ... remove original.
2965         (loc_list_from_tree): New function.
2966         (add_AT_location_description): Accept location list.
2967         (tls_mem_loc_descriptor): Update call of loc_descriptor_from_tree.
2968         (concatn_mem_loc_descriptor): Remove.
2969         (mem_loc_descriptor): Handle CONCAT/CONCATN and VAR_LOCATION by
2970         returning NULL.
2971         (secname_for_decl): Move up.
2972         (hidden_reference_p): New function; break out from ...
2973         (loc_by_refernece): ... here; move up.
2974         (dw_loc_list): New function.
2975         (single_element_loc_list): New function.
2976         (single_element_loc_list_p): New function.
2977         (add_loc_descr_to_each): New function.
2978         (add_loc_list): New function.
2979         (loc_descr_from_tree): Make wraper of loc_list_from_tree.
2980         (loc_list_from_tree): Reroganized from loc_descr_from_tree;
2981         add diagnostics why expansion failed.
2982         (add_location_or_const_value_attribute): Support location lists.
2983         (add_bound_info): Likewise.
2984         (descr_info_loc): Update call of loc_descriptor_from_tree.
2985         (gen_variable_die): Work on location lists.
2986         * final.c (pass_final): Add dump file.
2987         * Makefile.in (dwarf2out.o): Add new dependencies.
2988
2989 2009-09-17  Janis Johnson  <janis187@us.ibm.com>
2990
2991         PR c/41049
2992         * real.c decimal_from_integer, decimal_integer_string): New.
2993         (real_from_integer): Use them as special case for decimal float.
2994         * config/dfp-bit.c (_si_to_sd, _usi_to_sd): Use default rounding.
2995         (_di_to_sd, _di_to_dd, _di_to_td, _udi_to_sd, _udi_to_dd, _udi_to_td):
2996         Do not append zero after the decimal point in string to convert.
2997
2998 2009-09-17  Alexander Monakov  <amonakov@ispras.ru>
2999
3000         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Add bounds only
3001         for ARRAY_REFs.  Use array_ref_{low,up}_bound to determine bounds.
3002
3003 2009-09-17  Martin Jambor  <mjambor@suse.cz>
3004
3005         * common.opt (fipa-sra): New switch.
3006         * opts.c (decode_options): Turn flag_ipa_sra on for opt2.
3007         * timevar.def (TV_IPA_SRA): New timevar.
3008         * params.def (ipa-sra-ptr-growth-factor): New parameter.
3009         * doc/invoke.texi: Document -fipa-sra and ipa-sra-ptr-growth-factor.
3010         * tree-sra.c: Include cgraph.c.
3011         (enum sra_mode): Added SRA_MODE_EARLY_IPA.
3012         (struct access): Added fields stmt, grp_maybe_modified, grp_scalar_ptr
3013         and grp_not_necessarilly_dereferenced.
3014         (func_param_count): New variable.
3015         (encountered_apply_args): New variable.
3016         (bb_dereferences): New variable.
3017         (final_bbs): New variable.
3018         (no_accesses_representant): New variable.
3019         (no_accesses_p): New function.
3020         (dump_access): Dump the new fields.
3021         (sra_initialize): Set encountered_apply_args to false.
3022         (get_ssa_base_param): New function.
3023         (mark_parm_dereference): New function.
3024         (create_access): Caring for INIDRECT_REFs and different handling of
3025         varialble length accesses in early IPA SRA.  Store the stmt - a new
3026         parameter - to the new access.
3027         (build_access_from_expr_1): New parameter stmt, passed to
3028         create_access.  Handle INDIRECT_REFs.
3029         (build_access_from_expr): Pass the current statement to
3030         build_access_from_expr_1.
3031         (disqualify_ops_if_throwing_stmt): Trigger only in intraprocedural
3032         passes.
3033         (build_accesses_from_assign): Pass the current statement to
3034         build_access_from_expr_1.  Do not create assign links in IPA-SRA.
3035         (scan_function): Call handle_ssa_defs on phi nodes.  Set bits in
3036         final_bbs when necessary.  Check for calls to __builtin_apply_args.
3037         Fixup EH info if anythng was changed.
3038         (is_unused_scalar_param): New function.
3039         (ptr_parm_has_direct_uses): New function.
3040         (find_param_candidates): New function.
3041         (mark_maybe_modified): New function.
3042         (analyze_modified_params): New function.
3043         (propagate_dereference_distances): New function.
3044         (dump_dereferences_table): New function.
3045         (analyze_caller_dereference_legality): New function.
3046         (unmodified_by_ref_scalar_representative): New function.
3047         (splice_param_accesses): New function.
3048         (decide_one_param_reduction): New function.
3049         (enum ipa_splicing_result): New type.
3050         (splice_all_param_accesses): New function.
3051         (get_param_index): New function.
3052         (turn_representatives_into_adjustments): New function.
3053         (analyze_all_param_acesses): New function.
3054         (get_replaced_param_substitute): New function.
3055         (get_adjustment_for_base): New function.
3056         (replace_removed_params_ssa_names): New function.
3057         (sra_ipa_reset_debug_stmts): New function.
3058         (sra_ipa_modify_expr): New function.
3059         (sra_ipa_modify_assign): New function.
3060         (convert_callers): New function.
3061         (modify_function): New function.
3062         (ipa_sra_preliminary_function_checks): New function.
3063         (ipa_early_sra): New function.
3064         (ipa_early_sra_gate): New function.
3065         (pass_early_ipa_sra): New variable.
3066         * Makefile.in (tree-sra.o): Add cgraph.h to dependencies.
3067
3068 2009-09-17  Michael Matz  <matz@suse.de>
3069
3070         PR middle-end/41347
3071         * tree.c (build_type_attribute_qual_variant): Export.
3072         * tree.h (build_type_attribute_qual_variant): Declare.
3073         * tree-inline.c (remap_type_1): Use it to build variants with
3074         the original qualifiers and attributes.
3075
3076 2009-09-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
3077
3078         * cfglayout.c (fixup_reorder_chain): Accept conditional jumps
3079         without a fallthrough edge.
3080
3081 2009-09-16  DJ Delorie  <dj@redhat.com>
3082
3083         * config/m32c/m32c.c (m32c_emit_epilogue): Check for R8C or M16C
3084         chip and ignore the "fast_interrupt" attribute if so.
3085
3086 2009-09-16  Richard Henderson  <rth@redhat.com>
3087
3088         PR middle-end/41360
3089         * cfgbuild.c (find_bb_boundaries): Really re-instate 2009-09-02
3090         barrier fix.
3091
3092 2009-09-16  Richard Henderson  <rth@redhat.com>
3093
3094         PR target/41246
3095         * tree-cfg.c (verify_gimple_call): Validate that gimple_call_chain
3096         is set only if DECL_NO_STATIC_CHAIN is unset.
3097         * tree-nested.c (iter_nestinfo_start, iter_nestinfo_next): New.
3098         (FOR_EACH_NEST_INFO): New.
3099         (walk_all_functions): Use it.
3100         (finalize_nesting_tree): Likewise.
3101         (unnest_nesting_tree): Likewise.
3102         (free_nesting_tree): Use iter_nestinfo_start, iter_nestinfo_next.
3103         (get_chain_decl, get_chain_field): Reset DECL_NO_STATIC_CHAIN.
3104         (convert_gimple_call): Early out if gimple_call_chain already set.
3105         (convert_all_function_calls): Iterate until no new functions
3106         require a static chain.
3107         (finalize_nesting_tree_1): Assert DECL_NO_STATIC_CHAIN is unset
3108         when building a trampoline.  Use dump_function_to_file instead
3109         of dump_function.
3110         (lower_nested_functions): Open dump_file.  Validate that decls
3111         that have DECL_NO_STATIC_CHAIN from the front end don't have that
3112         bit reset by this pass.
3113
3114 2009-09-16  Michael Matz  <matz@suse.de>
3115
3116         PR fortran/41212
3117         * tree.h (struct tree_decl_common): Add decl_restricted_flag,
3118         shorten decl_common_unused.
3119         (DECL_RESTRICTED_P): New accessor.
3120         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Use it
3121         to disambiguate marked decls and restrict pointers.
3122
3123 2009-09-16  Richard Henderson  <rth@redhat.com>
3124
3125         PR middle-end/41360
3126         * cfgbuild.c (find_bb_boundaries): Re-instate 2009-09-02 barrier fix.
3127
3128 2009-09-16  Jakub Jelinek  <jakub@redhat.com>
3129
3130         * integrate.c (set_block_abstract_flags): Call
3131         set_decl_abstract_flags also on BLOCK_NONLOCALIZED_VARs.
3132
3133 2009-09-16  Richard Guenther  <rguenther@suse.de>
3134
3135         PR middle-end/34011
3136         * tree-flow-inline.h (may_be_aliased): Compute readonly variables
3137         as non-aliased.
3138
3139 2009-09-16  DJ Delorie  <dj@redhat.com>
3140             Kaz Kojima  <kkojima@gcc.gnu.org>
3141
3142         * config/sh/sh.c (output_stack_adjust): Add new argument frame_p.
3143         (sh_expand_prologue): Update calls to output_stack_adjust.
3144         (sh_expand_epilogue): Likewise.
3145
3146 2009-09-15  Adam Nemet  <anemet@caviumnetworks.com>
3147
3148         PR bootstrap/41349
3149         * reorg.c (redundant_insn): Don't count notes or DEBUG_INSNs when
3150         trying to limit the extent of searches in the insn stream.
3151
3152 2009-09-15  Nathan Froyd  <froydnj@codesourcery.com>
3153             Jakub Jelinek  <jakub@redhat.com>
3154
3155         PR target/41175
3156         PR target/40677
3157         * config/rs6000/rs6000.c (no_global_regs_above): Fix precedence
3158         problem.
3159         (SAVRES_NOINLINE_GPRS_SAVES_LR, SAVRES_NOINLINE_FPRS_SAVES_LR,
3160         SAVRES_NOINLINE_FPRS_DOESNT_RESTORE_LR): New strategy bits.
3161         (rs6000_savres_strategy): Always save FP registers inline if the
3162         target doesn't support hardware double-precision.  Set the above
3163         bits in return value when needed.
3164         (rs6000_savres_routine_sym): Fix computation for cache selector.
3165         Mark the generated symbol as a function.  Rename exitp argument to
3166         lr.  Move code for determining the name of the symbol...
3167         (rs6000_savres_routine_name): ...here.  New function.  Add cases for
3168         getting the names right on AIX and 64-bit Linux.
3169         (savres_routine_name): New variable.
3170         (rs6000_make_savres_rtx): Rename exitp argument to lr.  Don't assert
3171         lr isn't set when savep.  Use r12 resp. r1 instead of r11 depending
3172         on what the target routine uses as a base register.  If savep && lr
3173         describe saving of r0 into memory slot.
3174         (rs6000_emit_prologue): Correct use of call_used_regs.  Fix out of
3175         line calls for AIX ABI.
3176         (rs6000_output_function_prologue): Use rs6000_savres_routine_name to
3177         determine FP save/restore functions.
3178         (rs6000_emit_stack_reset): Handle savres if sp_offset != 0 and
3179         frame_reg_rtx != sp_reg_rtx.  Use gen_add3_insn instead of
3180         gen_addsi3.
3181         (rs6000_emit_epilogue): Adjust computation of restore_lr.
3182         Duplicate restoration of LR and execute the appropriate one
3183         depending on whether GPRs are being restored inline.  Set r11 from
3184         offsetted frame_reg_rtx instead of sp_reg_rtx; if frame_reg_rtx is
3185         r11, adjust sp_offset.  Use gen_add3_insn instead of gen_addsi3.
3186         Fix out of line calls for AIX ABI.
3187         * config/rs6000/rs6000.md (*return_and_restore_fpregs_aix_<mode>):
3188         New insn.
3189         * config/rs6000/spe.md (*save_gpregs_spe): Use explicit match for
3190         register 11.
3191         (*restore_gpregs_spe): Likewise.
3192         (*return_and_restore_gpregs_spe): Likewise.
3193         * config/rs6000/linux64.h (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX):
3194         Define to empty string unconditionally.
3195         * config/rs6000/sysv4.h (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX):
3196         Define to empty string unconditionally.
3197         (GP_SAVE_INLINE, FP_SAVE_INLINE): Handle TARGET_64BIT the same as
3198         !TARGET_64BIT.
3199
3200 2009-09-15  Jan Hubicka  <jh@suse.cz>
3201
3202         * doc/invoke.texi (inline-insns-auto): Drop from 60 to 50.
3203         * params.def (inline-insns-auto): Likewise.
3204
3205 2009-09-15  Martin Jambor  <mjambor@suse.cz>
3206
3207         * ipa-inline.c (estimate_function_body_sizes): Dump info about
3208         individual statements only at TDF_DETAILS dump level.  Format
3209         source for 80 characters per line.
3210
3211 2009-09-15  Christian Bruel  <christian.bruel@st.com>
3212
3213         * regrename.c (do_replace): Update REG_DEAD notes.
3214
3215 2009-09-15  Revital Eres  <eres@il.ibm.com>
3216
3217         * doc/tm.texi (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Document.
3218         * targhooks.c (default_builtin_support_vector_misalignment):
3219         New builtin function.
3220         * targhooks.h (default_builtin_support_vector_misalignment):
3221         Declare.
3222         * target.h (builtin_support_vector_misalignment):
3223         New field in struct gcc_target.
3224         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Call
3225         new builtin function.
3226         * target-def.h (TARGET_SUPPORT_VECTOR_MISALIGNMENT):
3227         Define.
3228         * config/rs6000/rs6000.c
3229         (rs6000_builtin_support_vector_misalignment): New function.
3230         (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Define.
3231
3232 2009-09-15  Jie Zhang  <jie.zhang@analog.com>
3233
3234         * config/bfin/bfin.c (length_for_loop): Use NONDEBUG_INSN_P
3235         instead of INSN_P.
3236         (bfin_optimize_loop): Likewise.
3237         (bfin_gen_bundles): Likewise.
3238         (workaround_speculation): Likewise.
3239         (find_load): Return NULL_RTX for debug_insn.
3240
3241 2009-09-15  Uros Bizjak  <ubizjak@gmail.com>
3242
3243         * config/alpha/alpha.md (smaxsf3): Disable for IEEE mode.
3244         (sminsf3): Ditto.
3245
3246 2009-09-14  DJ Delorie  <dj@redhat.com>
3247
3248         * config/mep/mep.h (JUMP_TABLES_IN_TEXT_SECTION): Define.
3249         * config/mep/mep.c (mep_emit_cbranch): Don't use BEQZ/BNEI in
3250         VLIW mode.
3251
3252 2009-09-14  Richard Henderson  <rth@redhat.com>
3253             Jakub Jelinek  <jakub@redhat.com>
3254
3255         * builtins.c (expand_builtin_synchronize): Use gimple_build_asm_vec.
3256         * cfgbuild.c (make_edges): Handle asm goto.
3257         * cfglayout.c (fixup_reorder_chain): Likewise.
3258         * cfgrtl.c (patch_jump_insn): Likewise.
3259         * gimple-pretty-print.c (dump_gimple_asm): Likewise.
3260         * gimple.c (gimple_build_asm_1): Add and use nlabels parameter.
3261         (gimple_build_asm_vec): Add and use labels parameter.
3262         (gimple_build_asm): Remove.
3263         (walk_gimple_asm): Walk labels too.
3264         * gimple.def (GIMPLE_ASM): Update docs.
3265         * gimple.h: Update decls.
3266         (struct gimple_statement_asm): Change nc to use unsigned char;
3267         add nl member.
3268         (gimple_asm_nlabels): New.
3269         (gimple_asm_label_op, gimple_asm_set_label_op): New.
3270         * gimplify.c (gimplify_asm_expr): Copy labels from ASM_EXPR
3271         into gimple_build_asm_vec.
3272         * jump.c (mark_jump_label_asm): New.
3273         (mark_jump_label): Use it.
3274         (redirect_jump_1): Handle asm goto.
3275         (invert_jump_1): Soft fail if X is null.
3276         * recog.c (extract_asm_operands): New.
3277         (asm_noperands): Use it; handle asm labels.
3278         (decode_asm_operands): Use extract_asm_operands.
3279         (asm_operand_ok): Properly handle empty string.
3280         * reg-stack.c (get_asm_operands_in_out): Rename from
3281         get_asm_operand_n_inputs; use extract_asm_operands; return both
3282         inputs and outputs by reference; update all callers.
3283         * rtl.def (ASM_OPERANDS): Add label vector as operand 6.
3284         * rtl.h (ASM_OPERANDS_LABEL_VEC): New.
3285         (ASM_OPERANDS_LABEL_LENGTH, ASM_OPERANDS_LABEL): New.
3286         (ASM_OPERANDS_SOURCE_LOCATION): Renumber.
3287         (extract_asm_operands): Declare.
3288         * stmt.c (expand_asm_operands): Add and use labels parameter.
3289         (check_unique_operand_names): Likewise.
3290         (resolve_asm_operand_names, resolve_operand_name_1): Likewise.
3291         (expand_asm_stmt): Handle asm labels.
3292         * tree-cfg.c (make_gimple_asm_edges): New.
3293         (make_edges): Use it.
3294         (cleanup_dead_labels): Handle asm labels.
3295         (is_ctrl_altering_stmt): Likewise.
3296         (gimple_redirect_edge_and_branch): Likewise.
3297         * tree.def (ASM_EXPR): Add 5th operand.
3298         * tree.h (ASM_LABELS): New.
3299         (resolve_asm_operand_names): Update decl.
3300
3301         * c-parser.c (c_parser_asm_statement): Parse asm goto.
3302         (c_parser_asm_goto_operands): New.
3303         * c-tree.h (build_asm_expr): Update decl.
3304         * c-typeck.c (build_asm_expr): Add and use labels parameter.
3305         * doc/extend.texi: Document asm goto.
3306
3307 2009-09-14  Richard Henderson  <rth@redhat.com>
3308
3309         * except.h: Update declarations.
3310         (struct pointer_map_t): Forward declare.
3311         (ERT_UNKNOWN, ERT_THROW, ERT_CATCH): Remove.
3312         (struct eh_landing_pad_d, eh_landing_pad): New.
3313         (struct eh_catch_d, eh_catch): New.
3314         (struct eh_region_d): Remove next_region_sharing_label, aka,
3315         label, tree_label, landing_pad, post_landing_pad, resume,
3316         may_contain_throw.  Rename region_number to index.  Remove
3317         u.eh_catch, u.eh_throw.  Rename u.eh_try.eh_catch to first_catch.
3318         Add u.must_not_throw, landing_pads, exc_ptr_reg, filter_reg.
3319         (VEC(eh_landing_pad,gc)): New.
3320         (struct eh_status): Remove last_region_number.  Add lp_array,
3321         throw_stmt_table, ttype_data, ehspec_data.
3322         (ehr_next, FOR_ALL_EH_REGION_AT): New.
3323         (FOR_ALL_EH_REGION_FN, FOR_ALL_EH_REGION): New.
3324         * except.c (lang_protect_cleanup_actions): Return tree.
3325         (struct ehl_map_entry): Remove.
3326         (init_eh_for_function): Push zero entries for region and lp_array.
3327         (gen_eh_region): Add to region_array immediately.
3328         (gen_eh_region_catch): Operate on eh_catch objects.
3329         (gen_eh_landing_pad): New.
3330         (get_eh_region_may_contain_throw, get_eh_region_tree_label): Remove.
3331         (get_eh_region_no_tree_label, set_eh_region_tree_label): Remove.
3332         (get_eh_region_from_number, get_eh_region_from_number_fn): New.
3333         (get_eh_landing_pad_from_number_fn): New.
3334         (get_eh_landing_pad_from_number): New.
3335         (get_eh_region_from_lp_number_fn): New.
3336         (get_eh_region_from_lp_number): New.
3337         (expand_resx_stmt, note_eh_region_may_contain_throw): Remove.
3338         (get_exception_pointer, get_exception_filter): Remove.
3339         (collect_eh_region_array, can_be_reached_by_runtime): Remove.
3340         (current_function_has_exception_handlers): Simplify.
3341         (bring_to_root, eh_region_replaceable_by_p): Remove.
3342         (replace_region, hash_type_list, hash_eh_region): Remove.
3343         (eh_regions_equal_p, merge_peers, remove_unreachable_regions): Remove.
3344         (label_to_region_map, num_eh_regions): Remove.
3345         (get_next_region_sharing_label, must_not_throw_labels): Remove.
3346         (find_exception_handler_labels): Remove.
3347         (duplicate_eh_regions_0, find_prev_try): Remove.
3348         (struct duplicate_eh_regions_data): New.
3349         (duplicate_eh_regions_1): Rewrite.
3350         (duplicate_eh_regions): Return a pointer map instead of an
3351         integer offset.
3352         (copy_eh_region_1, copy_eh_region, push_reachable_handler): Remove.
3353         (redirect_eh_edge_to_label): Remove.
3354         (eh_region_outermost): Rewrite using eh_region pointers
3355         instead of integers.
3356         (add_ttypes_entry): Update for ttype_data move to eh_status.
3357         (add_ehspec_entry): Rewrite with VEC instead of varray.
3358         (assign_filter_values): Likewise.  Export.
3359         (build_post_landing_pads, connect_post_landing_pads): Remove.
3360         (dw2_build_landing_pads): Rewrite to use lp_array.
3361         (struct sjlj_lp_info, sjlj_find_directly_reachable_regions): Remove.
3362         (sjlj_assign_call_site_values): Rewrite to use lp_array.
3363         (sjlj_emit_dispatch_table, sjlj_build_landing_pads): Likewise.
3364         (sjlj_mark_call_sites): Update for landing pad numbers.
3365         (finish_eh_generation): Rewrite.
3366         (gate_handle_eh): Do nothing for no eh tree.
3367         (pass_rtl_eh): Move up near finish_eh_generation.
3368         (remove_eh_landing_pad): New.
3369         (remove_eh_handler): Export.
3370         (remove_eh_region, remove_eh_handler_and_replace): Remove.
3371         (for_each_eh_label): Rewrite to use lp_array.
3372         (make_reg_eh_region_note): New.
3373         (make_reg_eh_region_note_nothrow_nononlocal): New.
3374         (insn_could_throw_p): New.
3375         (copy_reg_eh_region_note_forward): New.
3376         (copy_reg_eh_region_note_backward): New.
3377         (check_handled, add_reachable_handler): Remove.
3378         (reachable_next_level, foreach_reachable_handler): Remove.
3379         (arh_to_landing_pad, arh_to_label, reachable_handlers): Remove.
3380         (get_eh_region_and_lp_from_rtx): New.
3381         (get_eh_region_from_rtx): New.
3382         (can_throw_internal_1, can_throw_external_1): Remove.
3383         (can_throw_internal): Use get_eh_region_from_rtx.
3384         (can_throw_external): Use get_eh_region_and_lp_from_rtx.
3385         (insn_nothrow_p, can_nonlocal_goto): New.
3386         (expand_builtin_eh_common, expand_builtin_eh_pointer): New.
3387         (expand_builtin_eh_filter, expand_builtin_eh_copy_values): New.
3388         (add_action_record): Use VEC not varray.
3389         (collect_one_action_chain): Update for eh_region changes.
3390         (convert_to_eh_region_ranges): Make static.  Use VEC not varray.
3391         Use get_eh_region_and_lp_from_rtx.
3392         (gate_convert_to_eh_region_ranges): New.
3393         (pass_convert_to_eh_region_ranges): Use it.
3394         (push_uleb128, push_sleb128): Use VEC not varray.
3395         (output_one_function_exception_table): Likewise.
3396         (dump_eh_tree): Update for eh_region changes.
3397         (verify_eh_tree): Likewise.
3398         (verify_eh_region, default_init_unwind_resume_libfunc): Remove.
3399         * tree-eh.c: Include target.h.
3400         (add_stmt_to_eh_lp_fn): Rename from add_stmt_to_eh_region_fn.
3401         Don't disallow GIMPLE_RESX; adjust argument check.
3402         (add_stmt_to_eh_lp): Rename from add_stmt_to_eh_region.
3403         (record_stmt_eh_region): Update for landing pad numbers;
3404         generate a landing pad if necessary.
3405         (remove_stmt_from_eh_lp): Rename from remove_stmt_from_eh_region.
3406         (remove_stmt_from_eh_lp_fn): Similarly.
3407         (lookup_stmt_eh_lp_fn): Rename from lookup_stmt_eh_region_fn.
3408         Update for lp numbers; don't special case missing throw_stmt_table.
3409         (lookup_expr_eh_lp): Similarly.
3410         (lookup_stmt_eh_lp): Rename from lookup_stmt_eh_region.
3411         (eh_seq, eh_region_may_contain_throw): New.
3412         (struct leh_state): Add ehp_region.
3413         (struct leh_tf_state): Remove eh_label.
3414         (emit_post_landing_pad): New.
3415         (emit_resx, emit_eh_dispatch): New.
3416         (note_eh_region_may_contain_throw): New.
3417         (frob_into_branch_around): Take eh_region not eh label;
3418         emit eh code into eh_seq.
3419         (honor_protect_cleanup_actions): Early exit for no actions.  Don't
3420         handle EXC_PTR_EXPR, FILTER_EXPR.  Use gimple_build_eh_must_not_throw,
3421         lower_eh_must_not_throw.  Emit code to eh_seq.
3422         (lower_try_finally_nofallthru): Emit eh code to eh_seq.
3423         (lower_try_finally_onedest): Likewise.
3424         (lower_try_finally_copy): Likewise.
3425         (lower_try_finally_switch): Likewise.
3426         (lower_try_finally): Initialize ehp_region.
3427         (lower_catch): Update for eh_catch objects.
3428         (lower_eh_filter): Don't handle must_not_throw.
3429         (lower_eh_must_not_throw): New.
3430         (lower_cleanup): Don't set eh_label.
3431         (lower_eh_constructs_2): Resolve eh builtins.
3432         Handle GIMPLE_EH_MUST_NOT_THROW.
3433         (lower_eh_constructs): Initialize eh_region_may_contain_throw.
3434         Add eh_seq to the end of the function body.
3435         (make_eh_dispatch_edges): New.
3436         (make_eh_edge): Remove.
3437         (make_eh_edges): Simplify for landing pads.
3438         (redirect_eh_edge_1): New.
3439         (redirect_eh_edge): Use it.
3440         (redirect_eh_dispatch_edge): New.
3441         (stmt_could_throw_p): Use a switch.  Allow RESX.
3442         (stmt_can_throw_external): Use lookup_stmt_eh_lp.
3443         (stmt_can_throw_internal): Likewise.
3444         (maybe_clean_eh_stmt_fn, maybe_clean_eh_stmt): New.
3445         (maybe_clean_or_replace_eh_stmt): Update for landing pads.
3446         (maybe_duplicate_eh_stmt_fn, maybe_duplicate_eh_stmt): New.
3447         (gate_refactor_eh): New.
3448         (pass_refactor_eh): Use it.
3449         (lower_resx, execute_lower_resx, pass_lower_resx): New.
3450         (lower_eh_dispatch, execute_lower_eh_dispatch): New.
3451         (gate_lower_ehcontrol, pass_lower_eh_dispatch): New.
3452         (remove_unreachable_handlers): Rename from
3453         tree_remove_unreachable_handlers; rewrite for landing pads;
3454         call remove_eh_handler directly.
3455         (remove_unreachable_handlers_no_lp): New.
3456         (unsplit_eh, unsplit_all_eh): New.
3457         (tree_empty_eh_handler_p, all_phis_safe_to_merge): Remove.
3458         (cleanup_empty_eh_merge_phis, cleanup_empty_eh_move_lp): New.
3459         (cleanup_empty_eh_unsplit): New.
3460         (cleanup_empty_eh): Rewrite.
3461         (cleanup_all_empty_eh): New.
3462         (execute_cleanup_eh): Rename from cleanup_eh.  Remove unreachable
3463         handlers first.  Use unsplit_all_eh, cleanup_all_empty_eh.
3464         (gate_cleanup_eh): New.
3465         (pass_cleanup_eh): Use it.
3466         (verify_eh_edges): Move later in file.  Expect one EH edge.
3467         (verify_eh_dispatch_edge): New.
3468
3469         * Makefile.in (FUNCTION_H): Use vecprim.h, not varray.h.
3470         (gtype-desc.o): Add TARGET_H.
3471         (tree.o): Use EXCEPT_H, not except.h.
3472         (cfgbuild.o): Add EXPR_H.
3473         (GTFILES): Add vecprim.h.
3474         * builtins.c (expand_builtin): Handle BUILT_IN_EH_POINTER,
3475         BUILT_IN_EH_FILTER, BUILT_IN_EH_COPY_VALUES.
3476         * builtins.def (BUILT_IN_UNWIND_RESUME, BUILT_IN_EH_POINTER,
3477         BUILT_IN_EH_FILTER, BUILT_IN_EH_COPY_VALUES): New.
3478         * calls.c (emit_call_1): Use make_reg_eh_region_note.
3479         * cfgbuild.c (control_flow_insn_p): Use can_nonlocal_goto; tidy
3480         calls to can_throw_internal.
3481         (rtl_make_eh_edge): Use get_eh_landing_pad_from_rtx.
3482         (make_edges): Don't handle RESX; use can_nonlocal_goto.
3483         * cfgexpand.c (expand_gimple_stmt_1): Don't handle RESX.
3484         (expand_gimple_stmt): Use make_reg_eh_region_note.
3485         (expand_debug_expr): Don't handle EXC_PTR_EXPR and FILTER_EXPR.
3486         (gimple_expand_cfg): Don't call convert_from_eh_region_ranges,
3487         or find_exception_handler_labels.
3488         * cfgrtl.c (rtl_verify_flow_info_1): Don't handle RESX.  Assert
3489         there is exacly one EH edge.  Use can_nonlocal_goto and
3490         can_throw_internal.
3491         * cgraphunit.c (update_call_expr): Use maybe_clean_eh_stmt_fn.
3492         (cgraph_materialize_all_clones): Use maybe_clean_or_replace_eh_stmt.
3493         * combine.c (can_combine_p, try_combine): Use insn_nothrow_p.
3494         * cse.c (count_reg_usage, insn_live_p): Use insn_could_throw_p.
3495         * dce.c (deletable_insn_p_1): Don't test may_trap_p.
3496         (deletable_insn_p): Use insn_nothrow_p; reorder nonjump insn test.
3497         * dse.c (scan_insn): Use insn_could_throw_p.
3498         * emit-rtl.c (try_split): Use copy_reg_eh_region_note_backward.
3499         * expr.c (expand_expr_real): Use make_reg_eh_region_note.
3500         (expand_expr_real_1): Don't handle RESX, EXC_PTR, or FILTER_EXPR.
3501         * fold-const.c (tree_expr_nonnegative_warnv_p): Don't handle
3502         EXC_PTR_EXPR or FILTER_EXPR.
3503         (tree_expr_nonzero_warnv_p): Likewise.
3504         * function.h: Include vecprim.h, not varray.h
3505         (struct rtl_eh): Remove filter, exc_ptr, built_landing_pad members;
3506         move ttype_data and ehspec_data members to struct eh_status; change
3507         action_record_data member to a VEC.
3508         * gcse.c (hash_scan_set): Use can_throw_internal.
3509         * gengtype.c (open_base_files): Add target.h to gtype-desc.c.
3510         * gimple-iterator.c (gsi_replace): Use maybe_clean_or_replace_eh_stmt.
3511         * gimple-low.c (lower_stmt): Handle GIMPLE_EH_MUST_NOT_THROW.
3512         (block_may_fallthru): Don't handle RESX_EXPR.
3513         * gimple-pretty-print.c (dump_gimple_label): Dump EH_LANDING_PAD_NR.
3514         (dump_gimple_eh_must_not_throw, dump_gimple_eh_dispatch): New.
3515         (dump_gimple_stmt): Dump landing pad information with TDF_EH;
3516         handle GIMPLE_EH_MUST_NOT_THROW, GIMPLE_EH_DISPATCH.
3517         * gimple.c (gss_for_code): Handle GIMPLE_EH_MUST_NOT_THROW,
3518         GIMPLE_EH_DISPATCH, GIMPLE_RESX.
3519         (gimple_size): Likewise.
3520         (gimple_build_eh_dispatch, gimple_build_eh_must_not_throw): New.
3521         (gimple_build_resx): Use gimple_build_with_ops.
3522         (DEFTREECODE): Don't handle EXC_PTR_EXPR, FILTER_EXPR.
3523         (is_gimple_val): Likewise.
3524         (is_gimple_stmt): Remove RESX_EXPR.
3525         * gimple.def (GIMPLE_EH_MUST_NOT_THROW, GIMPLE_EH_DISPATCH): New.
3526         (GIMPLE_RESX): Reorder with other EH constructs.
3527         * gimple.h (struct gimple_statement_eh_mnt): New.
3528         (struct gimple_statement_eh_ctrl): Rename from gimple_statement_resx.
3529         (gimple_eh_filter_must_not_throw): Remove.
3530         (gimple_eh_filter_set_must_not_throw): Remove.
3531         (gimple_eh_must_not_throw_fndecl): New.
3532         (gimple_eh_dispatch_region, gimple_eh_dispatch_set_region): New.
3533         (is_gimple_resx): New.
3534         * gimplify.c (gimplify_expr): Don't handle EXC_PTR_EXPR, RESX_EXPR.
3535         Don't copy EH_FILTER_MUST_NOT_THROW.
3536         * gsstruct.def (GSS_EH_MNT, GSS_EHCONTROL): New.
3537         * ipa-inline.c (estimate_function_body_sizes): Don't try to
3538         handle must_not_throw_labels specially.
3539         * ipa-pure-const.c (check_call): Update debug statement for LP.
3540         * ipa-type-escape.c (check_operand): Don't handle EXC_PTR or FILTER.
3541         * ipa-utils.c (get_base_var): Likewise.
3542         * libfunc.h (LTI_unwind_resume, unwind_resume_libfunc): Remove.
3543         * lower-subreg.c (move_eh_region_note): Remove.
3544         (resolve_simple_move): Use copy_reg_eh_region_note_forward.
3545         * omp-low.c (new_omp_context): Update for eh_lp_nr.
3546         (create_task_copyfn): Likewise.
3547         (maybe_catch_exception): Use gimple_build_eh_filter.
3548         * optabs.c (emit_libcall_block): Update test for no-nonlocal-goto
3549         REG_EH_REGION.  Use make_reg_eh_region_note_nothrow_nononlocal.
3550         * passes.c (init_optimization_passes): Add pass_lower_eh_dispatch
3551         and pass_lower_resx.
3552         * print-tree.c (print_node): Dump EH_LANDING_PAD_NR.
3553         * recog.c (peephole2_optimize): Use copy_reg_eh_region_note_backward,
3554         can_throw_internal, can_nonlocal_goto.
3555         * reload1.c (fixup_eh_region_note): Use insn_could_throw_p,
3556         copy_reg_eh_region_note_forward.
3557         (emit_input_reload_insns): Use copy_reg_eh_region_note_forward.
3558         (emit_output_reload_insns): Likewise.
3559         (copy_eh_notes): Remove.
3560         * rtl.def (RESX): Remove.
3561         * rtl.h: Update declarations.
3562         * sese.c (graphite_copy_stmts_from_block): Use maybe_duplicate_eh_stmt.
3563         * tree-cfg.c (make_edges): Handle GIMPLE_EH_DISPATCH.
3564         (update_eh_label): Remove.
3565         (cleanup_dead_labels_eh): New.
3566         (cleanup_deal_labels): Use it instead of update_eh_label.
3567         (gimple_merge_blocks): Update landing pad data structure when
3568         removing a landing pad label.
3569         (remove_useless_stmts_tc): Remove gimple_eh_filter_must_not_throw
3570         test; handle GIMPLE_EH_MUST_NOT_THROW.
3571         (is_ctrl_altering_stmt): Handle GIMPLE_EH_DISPATCH.
3572         (verify_gimple_assign_single): Don't handle EXC_PTR or FILTER_EXPR.
3573         (verify_types_in_gimple_stmt): Handle GIMPLE_EH_DISPATCH.
3574         (verify_stmt): Likewise.  Verify landing pads.
3575         (gimple_redirect_edge_and_branch): Handle GIMPLE_EH_DISPATCH.
3576         (gimple_duplicate_bb): Use maybe_duplicate_eh_stmt.
3577         (struct move_stmt_d): Add eh_map.
3578         (move_stmt_eh_region_nr, move_stmt_eh_region_tree_nr): New.
3579         (move_stmt_r): Remap eh region numbers in builtin calls,
3580         resx and eh_dispatch.
3581         (move_block_to_fn): Remove eh_offset parameter.  Use
3582         maybe_duplicate_eh_stmt_fn.
3583         (find_outermost_region_in_block): Operate on eh_region pointers
3584         instead of region numbers.
3585         (move_sese_region_to_fn): Expect eh_map instead of eh_offset from
3586         duplicate_eh_regions.
3587         * tree-cfgcleanup.c (tree_forwarder_block_p): Move entry block edge
3588         test earlier.  Disallow EH landing pads.
3589         * tree-cfa.c (create_tree_common_ann): Don't set ann->rn.
3590         * tree-flow.h: Update declarations.
3591         (struct tree_ann_common_d): Replace rn with lp_nr.
3592         * tree-inline.c (copy_tree_body_r): Don't handle RESX_EXPR.
3593         (remap_eh_region_nr, remap_eh_region_tree_nr): New.
3594         (remap_gimple_stmt): Remap eh region numbers in builtin calls,
3595         resx and eh_dispatch.
3596         (copy_bb): Use maybe_duplicate_eh_stmt_fn.
3597         (copy_edges_for_bb): Use make_eh_dispatch_edges.
3598         (copy_cfg_body): Expect eh_map instead of eh_region_offset
3599         from duplicate_eh_regions.
3600         (estimate_num_insns): Don't handle EXC_PTR_EXPR or FILTER_EXPR;
3601         update RESX; handle EH_DISPATCH.
3602         (expand_call_inline): Set eh_lp_nr, not eh_region.
3603         (maybe_inline_call_in_expr): Likewise.
3604         * tree-inline.h (struct copy_body_data): Replace eh_region with
3605         eh_lp_nr, eh_region_offset with eh_map.
3606         * tree-optimize.c (execute_fixup_cfg): Use maybe_clean_eh_stmt.
3607         * tree-pass.h (pass_lower_eh_dispatch, pass_lower_resx): New.
3608         * tree-pretty-print.c (dump_generic_node): Don't handle
3609         EXC_PTR_EXPR, FILTER_EXPR, RESX_EXPR.
3610         * tree-sra.c (scan_function): Use maybe_clean_eh_stmt.
3611         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Don't handle
3612         EXC_PTR_EXPR, FILTER_EXPR.
3613         * tree-ssa-operands.c (get_expr_operands): Likewise.
3614         * tree-ssa-propagate.c (valid_gimple_rhs_p): Likewise.
3615         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
3616         (ao_ref_init_from_vn_reference): Likewise.
3617         * tree-ssa-sink.c (statement_sink_location): Likewise.
3618         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
3619         (mark_virtual_phi_result_for_renaming): Export.  Tidy.
3620         * tree-ssa-pre.c (get_or_alloc_expr_for): Don't handle
3621         EXC_PTR_EXPR, FILTER_EXPR.
3622         (is_exception_related): Remove.
3623         (compute_avail): Don't call it.
3624         * tree-ssa-structalias.c: Remove VEC definitions for int and unsigned.
3625         * tree.c (find_decls_types_in_eh_region): Update for eh_region changes.
3626         (find_decls_types_in_node): Use FOR_ALL_EH_REGION_FN.
3627         (build_common_builtin_nodes): Add enable_cxa_end_cleanup parameter.
3628         Build EH builtins.
3629         (build_resx): Remove.
3630         * tree.def (EXC_PTR_EXPR, FILTER_EXPR, RESX_EXPR): Remove.
3631         * tree.h: Update declarations.
3632         (EH_FILTER_MUST_NOT_THROW): Remove.
3633         (struct tree_label_decl): Add eh_landing_pad_nr.
3634         (EH_LANDING_PAD_NR): New.
3635         * value-prof.c (gimple_ic): Tidy variable names.  Update for
3636         landing pad numbers.
3637         (gimple_stringop_fixed_value): Tidy variable names.  Assert
3638         that neither call stmt can throw.
3639         * vecprim.h (uchar): New.
3640         (VEC(uchar,heap), VEC(uchar,gc)): New.
3641
3642         * c-common.c (c_define_builtins): Update call to
3643         build_common_builtin_nodes.
3644         * c-parser.c (c_parse_file): Don't call
3645         default_init_unwind_resume_libfunc.
3646
3647 2009-09-14  Richard Sandiford  <rdsandiford@googlemail.com>
3648
3649         * config/mips/mips-protos.h (mips_cfun_has_cprestore_slot_p): Declare.
3650         (mips_cprestore_address_p): Likewise.
3651         (mips_save_gp_to_cprestore_slot): Likewise.
3652         (mips_restore_gp): Rename to...
3653         (mips_restore_gp_from_cprestore_slot): ...this.
3654         (mips_must_initialize_gp_p): Declare.
3655         (mips_emit_save_slot_move): Likewise.
3656         (mips_output_load_label): Return nothing.
3657         (mips_eh_uses): Declare.
3658         * config/mips/mips.h (TARGET_SPLIT_CALLS): Require epilogue_completed.
3659         (TARGET_CPRESTORE_DIRECTIVE): New macro.
3660         (TARGET_ABSOLUTE_JUMPS): Likewise.
3661         (EH_USES): Likewise.
3662         (FIRST_PSEUDO_REGISTER): Update comment.
3663         (MIPS_ABSOLUTE_JUMP): New macro, extracted from...
3664         (MIPS_CALL): ...here.
3665         (REGISTER_NAMES): Add $cprestore.
3666         * config/mips/mips.c (machine_function): Remove has_gp_insn_p.
3667         Add load_label_length, has_inflexible_gp_insn_p,
3668         has_flexible_gp_insn_p, must_initialize_gp_p and
3669         must_restore_gp_when_clobbered_p.
3670         (mips_expand_call): Don't generate split instructions here.
3671         (mips_split_call): Update the call to mips_restore_gp after
3672         the above name change.
3673         (mips16_cfun_returns_in_fpr_p): Move earlier in file.
3674         (mips_find_gp_ref): New function.
3675         (mips_insn_has_inflexible_gp_ref_p): Likewise.
3676         (mips_cfun_has_inflexible_gp_ref_p): Likewise.
3677         (mips_insn_has_flexible_gp_ref_p): Likewise.
3678         (mips_cfun_has_flexible_gp_ref_p): Likewise.
3679         (mips_function_has_gp_insn): Delete.
3680         (mips_global_pointer): Drop the df_regs_ever_live_p check.
3681         Use the new functions above.  Only return INVALID_REGNUM
3682         for TARGET_ABSOLUTE_JUMPS.
3683         (mips_must_initialize_gp_p): New function.
3684         (mips_get_cprestore_base_and_offset): New function, extracted from...
3685         (mips_cprestore_slot): ...here.  Take a bool parameter.
3686         (mips_cfun_has_cprestore_slot_p): New function.
3687         (mips_cprestore_address_p): Likewise.
3688         (mips_save_gp_to_cprestore_slot): Likewise.
3689         (mips_restore_gp): Rename to...
3690         (mips_restore_gp_from_cprestore_slot): ...this.  Assert
3691         epilogue_completed.  Update the call to mips_cprestore_slot.
3692         Test cfun->machine->must_restore_gp_when_clobbered_p.
3693         (mips_direct_save_slot_move_p): New function.
3694         (mips_emit_save_slot_move): Likewise.
3695         (mips_output_cplocal): Test mips_must_initialize_gp_p () instead
3696         of cfun->machine->global_pointer.
3697         (mips_output_function_prologue): Check mips_must_initialize_gp_p ().
3698         (mips_save_reg): Use mips_emit_save_slot_move.
3699         (mips_expand_prologue): Set must_initialize_gp_p.
3700         Use mips_cfun_has_cprestore_slot_p.  Use gen_potential_cprestore
3701         for all cprestore saves.  Emit a use_cprestore instruction after
3702         setting up the cprestore slot.
3703         (mips_restore_reg): Use mips_emit_save_slot_move.
3704         (mips_process_load_label): New function.
3705         (mips_load_label_length): Likewise.
3706         (mips_output_load_label): Don't return asm: output it here instead.
3707         Use mips_process_load_label.
3708         (mips_adjust_insn_length): Adjust the length of branch instructions
3709         that have length MAX_PIC_BRANCH_LENGTH.
3710         (mips_output_conditional_branch): Update the call to
3711         mips_output_load_label.  Assume the branch target is OPERANDS[0]
3712         rather than OPERANDS[1].  Use MIPS_ABSOLUTE_JUMP for absolute jumps.
3713         (mips_output_order_conditional_branch): Swap the meaning of
3714         OPERANDS[0] and OPERANDS[1].
3715         (mips_variable_issue): Don't count ghost instructions.
3716         (mips_expand_ghost_gp_insns): New function.
3717         (mips_reorg): Rerun mips_reorg_process_insns if it returns true.
3718         (mips_output_mi_thunk): Set must_initialize_gp_p.
3719         (mips_eh_uses): New function.
3720         * config/mips/predicates.md (cprestore_save_slot_operand)
3721         (cprestore_load_slot_operand): New predicates.
3722         * config/mips/mips.md (UNSPEC_POTENTIAL_CPRESTORE): New unspec.
3723         (UNSPEC_MOVE_GP): Likewise.
3724         (UNSPEC_CPRESTORE, UNSPEC_RESTORE_GP, UNSPEC_EH_RETURN)
3725         (UNSPEC_CONSTTABLE_INT, UNSPEC_CONSTTABLE_FLOAT): Bump to make room.
3726         (CPRESTORE_SLOT_REGNUM): New register.
3727         (MAX_PIC_BRANCH_LENGTH): New constant.
3728         (jal_macro): Use MIPS_ABSOLUTE_JUMPS.
3729         (length): Use MAX_PIC_BRANCH_LENGTH as a placeholder for PIC long
3730         branches.  Fix commentary.
3731         (loadgp_newabi_<mode>): Change from unspec_volatile to unspec.
3732         Only split if mips_must_initialize_gp_p; expand to nothing otherwise.
3733         Change type to "ghost".
3734         (loadgp_absolute_<mode>): Likewise.
3735         (loadgp_rtp_<mode>): Likewise.
3736         (copygp_mips16): Likewise.
3737         (loadgp_blockage): Remove redundant mode attribute.
3738         (potential_cprestore): New instruction.
3739         (cprestore): Turn into an unspec set.
3740         (use_cprestore): New instruction.
3741         (*branch_fp): Swap operands 0 and 1.  Remove redundant mode attribute.
3742         (*branch_fp_inverted): Likewise.
3743         (*branch_order<mode>): Likewise.
3744         (*branch_order<mode>_inverted): Likewise.
3745         (*branch_equality<mode>): Likewise.
3746         (*branch_equality<mode>_inverted): Likewise.
3747         (*branch_bit<bbv><mode>): Likewise.
3748         (*branch_bit<bbv><mode>_inverted): Likewise.
3749         (*branch_equality<mode>_mips16): Remove redundant mode.
3750         (jump): Turn into a define_expand.
3751         (*jump_absolute): New instruction.
3752         (*jump_pic): Likewise.
3753         (*jump_mips16): Rename previously-unnamed pattern.  Remove
3754         redundant mode attribute.
3755         (restore_gp): Split on epilogue_completed rather than
3756         reload_completed.  Change type to "ghost".
3757         (move_gp<mode>): New instruction.
3758         * config/mips/mips-dsp.md (mips_bposge): Swap operands 0 and 1.
3759         Remove redundant mode attribute.
3760         * config/mips/mips-ps-3d.md (bc1any4t): Likewise.
3761         (bc1any4f, bc1any2t, bc1any2f): Likewise.
3762         (*branch_upper_lower, *branch_upper_lower_inverted): Likewise.
3763
3764 2009-09-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
3765
3766         PR target/41210
3767         * config/rs6000/rs6000.c (rs6000_function_value): V2DF and V2DI
3768         are returned in the same register (vs34 or v2) that Altivec vector
3769         types are returned in.
3770         (rs6000_libcall_value): Ditto.
3771
3772         PR target/41331
3773         * config/rs6000/rs6000.c (rs6000_emit_move): Use gen_add3_insn
3774         instead of explicit addsi3/adddi3 calls.
3775         (rs6000_split_multireg_move): Ditto.
3776         (rs6000_emit_allocate_stack): Ditto.
3777         (rs6000_emit_prologue): Ditto.
3778         (rs6000_output_mi_thunk): Ditto.
3779
3780         * config/rs6000/rs6000.md (bswapdi*): Don't assume the pointer
3781         size is 64 bits if we can use 64-bit registers.
3782
3783 2009-09-14  Bernd Schmidt  <bernd.schmidt@analog.com>
3784
3785         * config/bfin/bfin.c (bfin_longcall_p): Don't use short calls for weak
3786         symbols.
3787
3788         From Jie Zhang <jie.zhang@analog.com>:
3789         * config/bfin/bfin.c (bfin_expand_prologue): Ask do_link to
3790         save FP and RETS with saveall attribute.
3791         (bfin_expand_epilogue): Ask do_unlink to restore FP and RETS
3792         with saveall attribute.
3793
3794         * config/bfin/bfin.c (bfin_expand_builtin,
3795         case BFIN_BUILTIN_MULT_1X32X32): Force constants to registers for the
3796         operands.
3797
3798         From Jie Zhang <jie.zhang@analog.com>:
3799         * config/bfin/bfin.c (bfin_expand_builtin): Initialize icodes
3800         before use in two places.
3801         * config/bfin/bfin.md (AREG): Define mode iterator.
3802         (reload_in, reload_out): Use mode iterator AREG.
3803
3804 2009-09-14  Richard Guenther  <rguenther@suse.de>
3805
3806         PR middle-end/41350
3807         * dwarf2out.c (dwarf2out_begin_prologue): Adjust non-CFI asm
3808         EH personality path.
3809
3810 2009-09-13  Richard Guenther  <rguenther@suse.de>
3811             Rafael Avila de Espindola  <espindola@google.com>
3812
3813         * langhooks-def.h (LANG_HOOKS_EH_RUNTIME_TYPE): Define.
3814         (LANG_HOOKS_EH_PERSONALITY): Likewise.
3815         (LANG_HOOKS_INITIALIZER): Adjust.
3816         (lhd_pass_through_t): Declare.
3817         * langhooks.h (struct lang_hooks): Add eh_runtime_type and
3818         eh_personality.
3819         * langhooks.c (lhd_pass_through_t): New function.
3820         * dwarf2out.c (output_call_frame_info, dwarf2out_do_cfi_startproc,
3821         dwarf2out_begin_prologue): Use personality from current_function_decl.
3822         * expr.h (get_personality_function): Declare.
3823         * expr.c (get_personality_function): New function.
3824         (build_personality_function): Likewise.
3825         * libfuncs.h (libfunc_index): Remove LTI_eh_personality.
3826         (eh_personality_libfunc): Remove.
3827         * optabs.c (build_libfunc_function): New function split out from ...
3828         (init_one_libfunc): ... here.
3829         * tree.h (DECL_FUNCTION_PERSONALITY): New.
3830         (tree_function_decl): Add personality.
3831         (lhd_gcc_personality): Declare.
3832         (build_personality_function): Likewise.
3833         * tree.c (gcc_eh_personality_decl): New.
3834         (lhd_gcc_personality): New function.
3835         * except.h (lang_eh_runtime_type): Remove.
3836         (enum eh_personality_kind): New.
3837         (build_personality_function): Declare.
3838         (function_needs_eh_personality): Declare.
3839         * except.c (lang_eh_runtime_type): Remove.
3840         (function_needs_eh_personality): New function.
3841         (add_type_for_runtime): Call lang_hooks.type_for_runtime instead.
3842         (sjlj_emit_function_enter, output_function_exception_table):
3843         Use personality from current_function_decl.
3844         * tree-eh.c (lower_eh_constructs): Set DECL_FUNCTION_PERSONALITY.
3845         * tree-inline.c (tree_can_inline_p): Do not inline across different
3846         EH personalities.
3847         (expand_call_inline): Likewise.  Adjust the callers EH personality.
3848         (tree_function_versioning): Copy DECL_FUNCTION_PERSONALITY.
3849         * cgraph.c (cgraph_add_new_function): Set DECL_FUNCTION_PERSONALITY.
3850         * Makefile.in (cgraph.o): Add $(EXCEPT_H) dependency.
3851         (c-parser.o): Likewise
3852         * c-tree.h (c_eh_initialized_p): Remove.
3853         (c_maybe_initialize_eh): Likewise.
3854         * c-decl.c (finish_decl): Don't call c_maybe_initialize_eh.
3855         (finish_decl): Don't call c_maybe_initialize_eh.
3856         (c_eh_initialized_p): Remove.
3857         (c_maybe_initialize_eh): Likewise.
3858         * c-parser.c (c_parser_omp_construct): Likewise.
3859         (c_parse_file): Initialize exception handling.
3860
3861 2009-09-13  Kai Tietz  <kai.tietz@onevision.com>
3862
3863         * config.gcc (tm_file): Remove i386/biarch32.h
3864         for i?86-w64-mingw* case.
3865         (i?86-*-mingw* andx86_64-*-mingw*): Add multilib
3866         support.
3867         * config.host: Set for x64 mingw the option
3868         use_long_long_for_widest_fast_int to yes.
3869
3870 2009-09-13  Eric Botcazou  <ebotcazou@adacore.com>
3871
3872         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
3873         * dbxout.c (dbxout_function_end): Do not test DECL_IGNORED_P.
3874         (dbxout_begin_function): Likewise.
3875         * final.c (dwarf2_debug_info_emitted_p): New predicate.
3876         (final_start_function): Do not emit debug info if DECL_IGNORED_P is
3877         set on the function.
3878         (final_end_function): Likewise.
3879         (final_scan_insn): Likewise.
3880         (rest_of_handle_final): Likewise.
3881         * varasm.c (assemble_start_function): Likewise.
3882         * config/rs6000/xcoff.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
3883
3884 2009-09-12  Jason Merrill  <jason@redhat.com>
3885
3886         * dbgcnt.c (dbg_cnt_process_single_pair): constify.
3887         * opts.c (common_handle_option): constify.
3888
3889 2009-09-12  Gerald Pfeifer  <gerald@pfeifer.com>
3890
3891         * doc/install.texi (avr): Remove obsolete reference site.
3892
3893 2009-09-12  Gerald Pfeifer  <gerald@pfeifer.com>
3894
3895         * doc/install.texi (Binaries): Adjust AIX link.
3896
3897 2009-09-12  Akim Demaille  <demaille@gostai.com>
3898
3899         * doc/invoke.texi (-fstrict-aliasing): Correct two examples.
3900         Use an imperative sentence.
3901
3902 2009-09-11  Richard Henderson  <rth@redhat.com>
3903
3904         * gsstruct.def (DEFGSSTRUCT): Remove printable-name argument; add
3905         structure-name and has-tree-operands arguments; update all entries.
3906         * gimple.def (DEFGSCODE): Replace 3rd argument with GSS_symbol;
3907         update all entries.
3908         * gimple.c (gimple_ops_offset_): Use HAS_TREE_OP argument.
3909         (gsstruct_code_size): New.
3910         (gss_for_code_): New.
3911         (gss_for_code): Remove.
3912         (gimple_size): Rewrite using gsstruct_code_size.
3913         (gimple_statement_structure): Move to gimple.h.
3914         * gimple.h (gimple_ops_offset_, gss_for_code_): Declare.
3915         (gss_for_code, gimple_statement_structure): New.
3916         (gimple_ops): Use new arrays; tidy.
3917
3918 2009-09-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3919
3920         * config/pa/predicates.md (symbolic_operand): Require a CONST symbolic
3921         operand to be a PLUS expression.
3922         * config/pa/pa.c (pa_secondary_reload): Likewise.
3923
3924 2009-09-11  Jakub Jelinek  <jakub@redhat.com>
3925
3926         * combine.c (propagate_for_debug_subst): Call wrap_constant on top.
3927
3928         * print-rtl.c (print_rtx): Use JUMP_LABEL (in_rtx) instead of
3929         XEXP (in_rtx, 8).
3930
3931 2009-09-11  Bernd Schmidt  <bernd.schmidt@analog.com>
3932
3933         From Jie Zhang <jie.zhang@analog.com>:
3934         * doc/extend.texi (node Function Attributes): Document l2
3935         function attribute.
3936         (node Blackfin Variable Attributes): Document l2 variable attributes.
3937
3938 2009-09-11  Loren J. Rittle  <ljrittle@acm.org>