* config/sh/sh.c (output_stack_adjust): Add new argument frame_p.
[official-gcc.git] / gcc / ChangeLog
blob8eca8bad3bc58860df86a7f969daeb2c65df7747
1 2009-09-16  DJ Delorie  <dj@redhat.com>
2             Kaz Kojima  <kkojima@gcc.gnu.org>
4         * config/sh/sh.c (output_stack_adjust): Add new argument frame_p.
5         (sh_expand_prologue): Update calls to output_stack_adjust.
6         (sh_expand_epilogue): Likewise. 
8 2009-09-15  Adam Nemet  <anemet@caviumnetworks.com>
10         PR bootstrap/41349
11         * reorg.c (redundant_insn): Don't count notes or DEBUG_INSNs when
12         trying to limit the extent of searches in the insn stream.
14 2009-09-15  Nathan Froyd  <froydnj@codesourcery.com>
15             Jakub Jelinek  <jakub@redhat.com>
17         PR target/41175
18         PR target/40677
19         * config/rs6000/rs6000.c (no_global_regs_above): Fix precedence
20         problem.
21         (SAVRES_NOINLINE_GPRS_SAVES_LR, SAVRES_NOINLINE_FPRS_SAVES_LR,
22         SAVRES_NOINLINE_FPRS_DOESNT_RESTORE_LR): New strategy bits.
23         (rs6000_savres_strategy): Always save FP registers inline if the
24         target doesn't support hardware double-precision.  Set the above
25         bits in return value when needed.
26         (rs6000_savres_routine_sym): Fix computation for cache selector.
27         Mark the generated symbol as a function.  Rename exitp argument to
28         lr.  Move code for determining the name of the symbol...
29         (rs6000_savres_routine_name): ...here.  New function.  Add cases for
30         getting the names right on AIX and 64-bit Linux.
31         (savres_routine_name): New variable.
32         (rs6000_make_savres_rtx): Rename exitp argument to lr.  Don't assert
33         lr isn't set when savep.  Use r12 resp. r1 instead of r11 depending
34         on what the target routine uses as a base register.  If savep && lr
35         describe saving of r0 into memory slot.
36         (rs6000_emit_prologue): Correct use of call_used_regs.  Fix out of
37         line calls for AIX ABI.
38         (rs6000_output_function_prologue): Use rs6000_savres_routine_name to
39         determine FP save/restore functions.
40         (rs6000_emit_stack_reset): Handle savres if sp_offset != 0 and
41         frame_reg_rtx != sp_reg_rtx.  Use gen_add3_insn instead of
42         gen_addsi3.
43         (rs6000_emit_epilogue): Adjust computation of restore_lr.
44         Duplicate restoration of LR and execute the appropriate one
45         depending on whether GPRs are being restored inline.  Set r11 from
46         offsetted frame_reg_rtx instead of sp_reg_rtx; if frame_reg_rtx is
47         r11, adjust sp_offset.  Use gen_add3_insn instead of gen_addsi3.
48         Fix out of line calls for AIX ABI.
49         * config/rs6000/rs6000.md (*return_and_restore_fpregs_aix_<mode>):
50         New insn.
51         * config/rs6000/spe.md (*save_gpregs_spe): Use explicit match for
52         register 11.
53         (*restore_gpregs_spe): Likewise.
54         (*return_and_restore_gpregs_spe): Likewise.
55         * config/rs6000/linux64.h (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX):
56         Define to empty string unconditionally.
57         * config/rs6000/sysv4.h (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX):
58         Define to empty string unconditionally.
59         (GP_SAVE_INLINE, FP_SAVE_INLINE): Handle TARGET_64BIT the same as
60         !TARGET_64BIT.
62 2009-09-15  Jan Hubicka  <jh@suse.cz>
64         * doc/invoke.texi (inline-insns-auto): Drop from 60 to 50.
65         * params.def (inline-insns-auto): Likewise.
67 2009-09-15  Martin Jambor  <mjambor@suse.cz>
69         * ipa-inline.c (estimate_function_body_sizes): Dump info about
70         individual statements only at TDF_DETAILS dump level.  Format
71         source for 80 characters per line.
73 2009-09-15  Christian Bruel  <christian.bruel@st.com>
75         * regrename.c (do_replace): Update REG_DEAD notes. 
76         
77 2009-09-15  Revital Eres  <eres@il.ibm.com>
79         * doc/tm.texi (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Document.
80         * targhooks.c (default_builtin_support_vector_misalignment):
81         New builtin function.
82         * targhooks.h (default_builtin_support_vector_misalignment):
83         Declare.
84         * target.h (builtin_support_vector_misalignment):
85         New field in struct gcc_target.
86         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Call
87         new builtin function.
88         * target-def.h (TARGET_SUPPORT_VECTOR_MISALIGNMENT):
89         Define.
90         * config/rs6000/rs6000.c
91         (rs6000_builtin_support_vector_misalignment): New function.
92         (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Define.
94 2009-09-15  Jie Zhang  <jie.zhang@analog.com>
96         * config/bfin/bfin.c (length_for_loop): Use NONDEBUG_INSN_P
97         instead of INSN_P.
98         (bfin_optimize_loop): Likewise.
99         (bfin_gen_bundles): Likewise.
100         (workaround_speculation): Likewise.
101         (find_load): Return NULL_RTX for debug_insn.
103 2009-09-15  Uros Bizjak  <ubizjak@gmail.com>
105         * config/alpha/alpha.md (smaxsf3): Disable for IEEE mode.
106         (sminsf3): Ditto.
108 2009-09-14  DJ Delorie  <dj@redhat.com>
110         * config/mep/mep.h (JUMP_TABLES_IN_TEXT_SECTION): Define.
111         * config/mep/mep.c (mep_emit_cbranch): Don't use BEQZ/BNEI in
112         VLIW mode.
114 2009-09-14  Richard Henderson  <rth@redhat.com>
115             Jakub Jelinek  <jakub@redhat.com>
117         * builtins.c (expand_builtin_synchronize): Use gimple_build_asm_vec.
118         * cfgbuild.c (make_edges): Handle asm goto.
119         * cfglayout.c (fixup_reorder_chain): Likewise.
120         * cfgrtl.c (patch_jump_insn): Likewise.
121         * gimple-pretty-print.c (dump_gimple_asm): Likewise.
122         * gimple.c (gimple_build_asm_1): Add and use nlabels parameter.
123         (gimple_build_asm_vec): Add and use labels parameter.
124         (gimple_build_asm): Remove.
125         (walk_gimple_asm): Walk labels too.
126         * gimple.def (GIMPLE_ASM): Update docs.
127         * gimple.h: Update decls.
128         (struct gimple_statement_asm): Change nc to use unsigned char;
129         add nl member.
130         (gimple_asm_nlabels): New.
131         (gimple_asm_label_op, gimple_asm_set_label_op): New.
132         * gimplify.c (gimplify_asm_expr): Copy labels from ASM_EXPR
133         into gimple_build_asm_vec.
134         * jump.c (mark_jump_label_asm): New.
135         (mark_jump_label): Use it.
136         (redirect_jump_1): Handle asm goto.
137         (invert_jump_1): Soft fail if X is null.
138         * recog.c (extract_asm_operands): New.
139         (asm_noperands): Use it; handle asm labels.
140         (decode_asm_operands): Use extract_asm_operands.
141         (asm_operand_ok): Properly handle empty string.
142         * reg-stack.c (get_asm_operands_in_out): Rename from
143         get_asm_operand_n_inputs; use extract_asm_operands; return both
144         inputs and outputs by reference; update all callers.
145         * rtl.def (ASM_OPERANDS): Add label vector as operand 6.
146         * rtl.h (ASM_OPERANDS_LABEL_VEC): New.
147         (ASM_OPERANDS_LABEL_LENGTH, ASM_OPERANDS_LABEL): New.
148         (ASM_OPERANDS_SOURCE_LOCATION): Renumber.
149         (extract_asm_operands): Declare.
150         * stmt.c (expand_asm_operands): Add and use labels parameter.
151         (check_unique_operand_names): Likewise.
152         (resolve_asm_operand_names, resolve_operand_name_1): Likewise.
153         (expand_asm_stmt): Handle asm labels.
154         * tree-cfg.c (make_gimple_asm_edges): New.
155         (make_edges): Use it.
156         (cleanup_dead_labels): Handle asm labels.
157         (is_ctrl_altering_stmt): Likewise.
158         (gimple_redirect_edge_and_branch): Likewise.
159         * tree.def (ASM_EXPR): Add 5th operand.
160         * tree.h (ASM_LABELS): New.
161         (resolve_asm_operand_names): Update decl.
163         * c-parser.c (c_parser_asm_statement): Parse asm goto.
164         (c_parser_asm_goto_operands): New.
165         * c-tree.h (build_asm_expr): Update decl.
166         * c-typeck.c (build_asm_expr): Add and use labels parameter.
167         * doc/extend.texi: Document asm goto.
169 2009-09-14  Richard Henderson  <rth@redhat.com>
171         * except.h: Update declarations.
172         (struct pointer_map_t): Forward declare.
173         (ERT_UNKNOWN, ERT_THROW, ERT_CATCH): Remove.
174         (struct eh_landing_pad_d, eh_landing_pad): New.
175         (struct eh_catch_d, eh_catch): New.
176         (struct eh_region_d): Remove next_region_sharing_label, aka,
177         label, tree_label, landing_pad, post_landing_pad, resume,
178         may_contain_throw.  Rename region_number to index.  Remove
179         u.eh_catch, u.eh_throw.  Rename u.eh_try.eh_catch to first_catch.
180         Add u.must_not_throw, landing_pads, exc_ptr_reg, filter_reg.
181         (VEC(eh_landing_pad,gc)): New.
182         (struct eh_status): Remove last_region_number.  Add lp_array,
183         throw_stmt_table, ttype_data, ehspec_data.
184         (ehr_next, FOR_ALL_EH_REGION_AT): New.
185         (FOR_ALL_EH_REGION_FN, FOR_ALL_EH_REGION): New.
186         * except.c (lang_protect_cleanup_actions): Return tree.
187         (struct ehl_map_entry): Remove.
188         (init_eh_for_function): Push zero entries for region and lp_array.
189         (gen_eh_region): Add to region_array immediately.
190         (gen_eh_region_catch): Operate on eh_catch objects.
191         (gen_eh_landing_pad): New.
192         (get_eh_region_may_contain_throw, get_eh_region_tree_label): Remove.
193         (get_eh_region_no_tree_label, set_eh_region_tree_label): Remove.
194         (get_eh_region_from_number, get_eh_region_from_number_fn): New.
195         (get_eh_landing_pad_from_number_fn): New.
196         (get_eh_landing_pad_from_number): New.
197         (get_eh_region_from_lp_number_fn): New.
198         (get_eh_region_from_lp_number): New.
199         (expand_resx_stmt, note_eh_region_may_contain_throw): Remove.
200         (get_exception_pointer, get_exception_filter): Remove.
201         (collect_eh_region_array, can_be_reached_by_runtime): Remove.
202         (current_function_has_exception_handlers): Simplify.
203         (bring_to_root, eh_region_replaceable_by_p): Remove.
204         (replace_region, hash_type_list, hash_eh_region): Remove.
205         (eh_regions_equal_p, merge_peers, remove_unreachable_regions): Remove.
206         (label_to_region_map, num_eh_regions): Remove.
207         (get_next_region_sharing_label, must_not_throw_labels): Remove.
208         (find_exception_handler_labels): Remove.
209         (duplicate_eh_regions_0, find_prev_try): Remove.
210         (struct duplicate_eh_regions_data): New.
211         (duplicate_eh_regions_1): Rewrite.
212         (duplicate_eh_regions): Return a pointer map instead of an
213         integer offset.
214         (copy_eh_region_1, copy_eh_region, push_reachable_handler): Remove.
215         (redirect_eh_edge_to_label): Remove.
216         (eh_region_outermost): Rewrite using eh_region pointers
217         instead of integers.
218         (add_ttypes_entry): Update for ttype_data move to eh_status.
219         (add_ehspec_entry): Rewrite with VEC instead of varray.
220         (assign_filter_values): Likewise.  Export.
221         (build_post_landing_pads, connect_post_landing_pads): Remove.
222         (dw2_build_landing_pads): Rewrite to use lp_array.
223         (struct sjlj_lp_info, sjlj_find_directly_reachable_regions): Remove.
224         (sjlj_assign_call_site_values): Rewrite to use lp_array.
225         (sjlj_emit_dispatch_table, sjlj_build_landing_pads): Likewise.
226         (sjlj_mark_call_sites): Update for landing pad numbers.
227         (finish_eh_generation): Rewrite.
228         (gate_handle_eh): Do nothing for no eh tree.
229         (pass_rtl_eh): Move up near finish_eh_generation.
230         (remove_eh_landing_pad): New.
231         (remove_eh_handler): Export.
232         (remove_eh_region, remove_eh_handler_and_replace): Remove.
233         (for_each_eh_label): Rewrite to use lp_array.
234         (make_reg_eh_region_note): New.
235         (make_reg_eh_region_note_nothrow_nononlocal): New.
236         (insn_could_throw_p): New.
237         (copy_reg_eh_region_note_forward): New.
238         (copy_reg_eh_region_note_backward): New.
239         (check_handled, add_reachable_handler): Remove.
240         (reachable_next_level, foreach_reachable_handler): Remove.
241         (arh_to_landing_pad, arh_to_label, reachable_handlers): Remove.
242         (get_eh_region_and_lp_from_rtx): New.
243         (get_eh_region_from_rtx): New.
244         (can_throw_internal_1, can_throw_external_1): Remove.
245         (can_throw_internal): Use get_eh_region_from_rtx.
246         (can_throw_external): Use get_eh_region_and_lp_from_rtx.
247         (insn_nothrow_p, can_nonlocal_goto): New.
248         (expand_builtin_eh_common, expand_builtin_eh_pointer): New.
249         (expand_builtin_eh_filter, expand_builtin_eh_copy_values): New.
250         (add_action_record): Use VEC not varray.
251         (collect_one_action_chain): Update for eh_region changes.
252         (convert_to_eh_region_ranges): Make static.  Use VEC not varray.
253         Use get_eh_region_and_lp_from_rtx.
254         (gate_convert_to_eh_region_ranges): New.
255         (pass_convert_to_eh_region_ranges): Use it.
256         (push_uleb128, push_sleb128): Use VEC not varray.
257         (output_one_function_exception_table): Likewise.
258         (dump_eh_tree): Update for eh_region changes.
259         (verify_eh_tree): Likewise.
260         (verify_eh_region, default_init_unwind_resume_libfunc): Remove.
261         * tree-eh.c: Include target.h.
262         (add_stmt_to_eh_lp_fn): Rename from add_stmt_to_eh_region_fn.
263         Don't disallow GIMPLE_RESX; adjust argument check.
264         (add_stmt_to_eh_lp): Rename from add_stmt_to_eh_region.
265         (record_stmt_eh_region): Update for landing pad numbers;
266         generate a landing pad if necessary.
267         (remove_stmt_from_eh_lp): Rename from remove_stmt_from_eh_region.
268         (remove_stmt_from_eh_lp_fn): Similarly.
269         (lookup_stmt_eh_lp_fn): Rename from lookup_stmt_eh_region_fn.
270         Update for lp numbers; don't special case missing throw_stmt_table.
271         (lookup_expr_eh_lp): Similarly.
272         (lookup_stmt_eh_lp): Rename from lookup_stmt_eh_region.
273         (eh_seq, eh_region_may_contain_throw): New.
274         (struct leh_state): Add ehp_region.
275         (struct leh_tf_state): Remove eh_label.
276         (emit_post_landing_pad): New.
277         (emit_resx, emit_eh_dispatch): New.
278         (note_eh_region_may_contain_throw): New.
279         (frob_into_branch_around): Take eh_region not eh label;
280         emit eh code into eh_seq.
281         (honor_protect_cleanup_actions): Early exit for no actions.  Don't
282         handle EXC_PTR_EXPR, FILTER_EXPR.  Use gimple_build_eh_must_not_throw,
283         lower_eh_must_not_throw.  Emit code to eh_seq.
284         (lower_try_finally_nofallthru): Emit eh code to eh_seq.
285         (lower_try_finally_onedest): Likewise.
286         (lower_try_finally_copy): Likewise.
287         (lower_try_finally_switch): Likewise.
288         (lower_try_finally): Initialize ehp_region.
289         (lower_catch): Update for eh_catch objects.
290         (lower_eh_filter): Don't handle must_not_throw.
291         (lower_eh_must_not_throw): New.
292         (lower_cleanup): Don't set eh_label.
293         (lower_eh_constructs_2): Resolve eh builtins.
294         Handle GIMPLE_EH_MUST_NOT_THROW.
295         (lower_eh_constructs): Initialize eh_region_may_contain_throw.
296         Add eh_seq to the end of the function body.
297         (make_eh_dispatch_edges): New.
298         (make_eh_edge): Remove.
299         (make_eh_edges): Simplify for landing pads.
300         (redirect_eh_edge_1): New.
301         (redirect_eh_edge): Use it.
302         (redirect_eh_dispatch_edge): New.
303         (stmt_could_throw_p): Use a switch.  Allow RESX.
304         (stmt_can_throw_external): Use lookup_stmt_eh_lp.
305         (stmt_can_throw_internal): Likewise.
306         (maybe_clean_eh_stmt_fn, maybe_clean_eh_stmt): New.
307         (maybe_clean_or_replace_eh_stmt): Update for landing pads.
308         (maybe_duplicate_eh_stmt_fn, maybe_duplicate_eh_stmt): New.
309         (gate_refactor_eh): New.
310         (pass_refactor_eh): Use it.
311         (lower_resx, execute_lower_resx, pass_lower_resx): New.
312         (lower_eh_dispatch, execute_lower_eh_dispatch): New.
313         (gate_lower_ehcontrol, pass_lower_eh_dispatch): New.
314         (remove_unreachable_handlers): Rename from
315         tree_remove_unreachable_handlers; rewrite for landing pads;
316         call remove_eh_handler directly.
317         (remove_unreachable_handlers_no_lp): New.
318         (unsplit_eh, unsplit_all_eh): New.
319         (tree_empty_eh_handler_p, all_phis_safe_to_merge): Remove.
320         (cleanup_empty_eh_merge_phis, cleanup_empty_eh_move_lp): New.
321         (cleanup_empty_eh_unsplit): New.
322         (cleanup_empty_eh): Rewrite.
323         (cleanup_all_empty_eh): New.
324         (execute_cleanup_eh): Rename from cleanup_eh.  Remove unreachable
325         handlers first.  Use unsplit_all_eh, cleanup_all_empty_eh.
326         (gate_cleanup_eh): New.
327         (pass_cleanup_eh): Use it.
328         (verify_eh_edges): Move later in file.  Expect one EH edge.
329         (verify_eh_dispatch_edge): New.
331         * Makefile.in (FUNCTION_H): Use vecprim.h, not varray.h.
332         (gtype-desc.o): Add TARGET_H.
333         (tree.o): Use EXCEPT_H, not except.h.
334         (cfgbuild.o): Add EXPR_H.
335         (GTFILES): Add vecprim.h.
336         * builtins.c (expand_builtin): Handle BUILT_IN_EH_POINTER,
337         BUILT_IN_EH_FILTER, BUILT_IN_EH_COPY_VALUES.
338         * builtins.def (BUILT_IN_UNWIND_RESUME, BUILT_IN_EH_POINTER,
339         BUILT_IN_EH_FILTER, BUILT_IN_EH_COPY_VALUES): New.
340         * calls.c (emit_call_1): Use make_reg_eh_region_note.
341         * cfgbuild.c (control_flow_insn_p): Use can_nonlocal_goto; tidy
342         calls to can_throw_internal.
343         (rtl_make_eh_edge): Use get_eh_landing_pad_from_rtx.
344         (make_edges): Don't handle RESX; use can_nonlocal_goto.
345         * cfgexpand.c (expand_gimple_stmt_1): Don't handle RESX.
346         (expand_gimple_stmt): Use make_reg_eh_region_note.
347         (expand_debug_expr): Don't handle EXC_PTR_EXPR and FILTER_EXPR.
348         (gimple_expand_cfg): Don't call convert_from_eh_region_ranges,
349         or find_exception_handler_labels.
350         * cfgrtl.c (rtl_verify_flow_info_1): Don't handle RESX.  Assert
351         there is exacly one EH edge.  Use can_nonlocal_goto and
352         can_throw_internal.
353         * cgraphunit.c (update_call_expr): Use maybe_clean_eh_stmt_fn.
354         (cgraph_materialize_all_clones): Use maybe_clean_or_replace_eh_stmt.
355         * combine.c (can_combine_p, try_combine): Use insn_nothrow_p.
356         * cse.c (count_reg_usage, insn_live_p): Use insn_could_throw_p.
357         * dce.c (deletable_insn_p_1): Don't test may_trap_p.
358         (deletable_insn_p): Use insn_nothrow_p; reorder nonjump insn test.
359         * dse.c (scan_insn): Use insn_could_throw_p.
360         * emit-rtl.c (try_split): Use copy_reg_eh_region_note_backward.
361         * expr.c (expand_expr_real): Use make_reg_eh_region_note.
362         (expand_expr_real_1): Don't handle RESX, EXC_PTR, or FILTER_EXPR.
363         * fold-const.c (tree_expr_nonnegative_warnv_p): Don't handle
364         EXC_PTR_EXPR or FILTER_EXPR.
365         (tree_expr_nonzero_warnv_p): Likewise.
366         * function.h: Include vecprim.h, not varray.h
367         (struct rtl_eh): Remove filter, exc_ptr, built_landing_pad members;
368         move ttype_data and ehspec_data members to struct eh_status; change
369         action_record_data member to a VEC.
370         * gcse.c (hash_scan_set): Use can_throw_internal.
371         * gengtype.c (open_base_files): Add target.h to gtype-desc.c.
372         * gimple-iterator.c (gsi_replace): Use maybe_clean_or_replace_eh_stmt.
373         * gimple-low.c (lower_stmt): Handle GIMPLE_EH_MUST_NOT_THROW.
374         (block_may_fallthru): Don't handle RESX_EXPR.
375         * gimple-pretty-print.c (dump_gimple_label): Dump EH_LANDING_PAD_NR.
376         (dump_gimple_eh_must_not_throw, dump_gimple_eh_dispatch): New.
377         (dump_gimple_stmt): Dump landing pad information with TDF_EH;
378         handle GIMPLE_EH_MUST_NOT_THROW, GIMPLE_EH_DISPATCH.
379         * gimple.c (gss_for_code): Handle GIMPLE_EH_MUST_NOT_THROW,
380         GIMPLE_EH_DISPATCH, GIMPLE_RESX.
381         (gimple_size): Likewise.
382         (gimple_build_eh_dispatch, gimple_build_eh_must_not_throw): New.
383         (gimple_build_resx): Use gimple_build_with_ops.
384         (DEFTREECODE): Don't handle EXC_PTR_EXPR, FILTER_EXPR.
385         (is_gimple_val): Likewise.
386         (is_gimple_stmt): Remove RESX_EXPR.
387         * gimple.def (GIMPLE_EH_MUST_NOT_THROW, GIMPLE_EH_DISPATCH): New.
388         (GIMPLE_RESX): Reorder with other EH constructs.
389         * gimple.h (struct gimple_statement_eh_mnt): New.
390         (struct gimple_statement_eh_ctrl): Rename from gimple_statement_resx.
391         (gimple_eh_filter_must_not_throw): Remove.
392         (gimple_eh_filter_set_must_not_throw): Remove.
393         (gimple_eh_must_not_throw_fndecl): New.
394         (gimple_eh_dispatch_region, gimple_eh_dispatch_set_region): New.
395         (is_gimple_resx): New.
396         * gimplify.c (gimplify_expr): Don't handle EXC_PTR_EXPR, RESX_EXPR.
397         Don't copy EH_FILTER_MUST_NOT_THROW.
398         * gsstruct.def (GSS_EH_MNT, GSS_EHCONTROL): New.
399         * ipa-inline.c (estimate_function_body_sizes): Don't try to
400         handle must_not_throw_labels specially.
401         * ipa-pure-const.c (check_call): Update debug statement for LP.
402         * ipa-type-escape.c (check_operand): Don't handle EXC_PTR or FILTER.
403         * ipa-utils.c (get_base_var): Likewise.
404         * libfunc.h (LTI_unwind_resume, unwind_resume_libfunc): Remove.
405         * lower-subreg.c (move_eh_region_note): Remove.
406         (resolve_simple_move): Use copy_reg_eh_region_note_forward.
407         * omp-low.c (new_omp_context): Update for eh_lp_nr.
408         (create_task_copyfn): Likewise.
409         (maybe_catch_exception): Use gimple_build_eh_filter.
410         * optabs.c (emit_libcall_block): Update test for no-nonlocal-goto
411         REG_EH_REGION.  Use make_reg_eh_region_note_nothrow_nononlocal.
412         * passes.c (init_optimization_passes): Add pass_lower_eh_dispatch
413         and pass_lower_resx.
414         * print-tree.c (print_node): Dump EH_LANDING_PAD_NR.
415         * recog.c (peephole2_optimize): Use copy_reg_eh_region_note_backward,
416         can_throw_internal, can_nonlocal_goto.
417         * reload1.c (fixup_eh_region_note): Use insn_could_throw_p,
418         copy_reg_eh_region_note_forward.
419         (emit_input_reload_insns): Use copy_reg_eh_region_note_forward.
420         (emit_output_reload_insns): Likewise.
421         (copy_eh_notes): Remove.
422         * rtl.def (RESX): Remove.
423         * rtl.h: Update declarations.
424         * sese.c (graphite_copy_stmts_from_block): Use maybe_duplicate_eh_stmt.
425         * tree-cfg.c (make_edges): Handle GIMPLE_EH_DISPATCH.
426         (update_eh_label): Remove.
427         (cleanup_dead_labels_eh): New.
428         (cleanup_deal_labels): Use it instead of update_eh_label.
429         (gimple_merge_blocks): Update landing pad data structure when
430         removing a landing pad label.
431         (remove_useless_stmts_tc): Remove gimple_eh_filter_must_not_throw
432         test; handle GIMPLE_EH_MUST_NOT_THROW.
433         (is_ctrl_altering_stmt): Handle GIMPLE_EH_DISPATCH.
434         (verify_gimple_assign_single): Don't handle EXC_PTR or FILTER_EXPR.
435         (verify_types_in_gimple_stmt): Handle GIMPLE_EH_DISPATCH.
436         (verify_stmt): Likewise.  Verify landing pads.
437         (gimple_redirect_edge_and_branch): Handle GIMPLE_EH_DISPATCH.
438         (gimple_duplicate_bb): Use maybe_duplicate_eh_stmt.
439         (struct move_stmt_d): Add eh_map.
440         (move_stmt_eh_region_nr, move_stmt_eh_region_tree_nr): New.
441         (move_stmt_r): Remap eh region numbers in builtin calls,
442         resx and eh_dispatch.
443         (move_block_to_fn): Remove eh_offset parameter.  Use
444         maybe_duplicate_eh_stmt_fn.
445         (find_outermost_region_in_block): Operate on eh_region pointers
446         instead of region numbers.
447         (move_sese_region_to_fn): Expect eh_map instead of eh_offset from
448         duplicate_eh_regions.
449         * tree-cfgcleanup.c (tree_forwarder_block_p): Move entry block edge
450         test earlier.  Disallow EH landing pads.
451         * tree-cfa.c (create_tree_common_ann): Don't set ann->rn.
452         * tree-flow.h: Update declarations.
453         (struct tree_ann_common_d): Replace rn with lp_nr.
454         * tree-inline.c (copy_tree_body_r): Don't handle RESX_EXPR.
455         (remap_eh_region_nr, remap_eh_region_tree_nr): New.
456         (remap_gimple_stmt): Remap eh region numbers in builtin calls,
457         resx and eh_dispatch.
458         (copy_bb): Use maybe_duplicate_eh_stmt_fn.
459         (copy_edges_for_bb): Use make_eh_dispatch_edges.
460         (copy_cfg_body): Expect eh_map instead of eh_region_offset
461         from duplicate_eh_regions.
462         (estimate_num_insns): Don't handle EXC_PTR_EXPR or FILTER_EXPR;
463         update RESX; handle EH_DISPATCH.
464         (expand_call_inline): Set eh_lp_nr, not eh_region.
465         (maybe_inline_call_in_expr): Likewise.
466         * tree-inline.h (struct copy_body_data): Replace eh_region with
467         eh_lp_nr, eh_region_offset with eh_map.
468         * tree-optimize.c (execute_fixup_cfg): Use maybe_clean_eh_stmt.
469         * tree-pass.h (pass_lower_eh_dispatch, pass_lower_resx): New.
470         * tree-pretty-print.c (dump_generic_node): Don't handle
471         EXC_PTR_EXPR, FILTER_EXPR, RESX_EXPR.
472         * tree-sra.c (scan_function): Use maybe_clean_eh_stmt.
473         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Don't handle
474         EXC_PTR_EXPR, FILTER_EXPR.
475         * tree-ssa-operands.c (get_expr_operands): Likewise.
476         * tree-ssa-propagate.c (valid_gimple_rhs_p): Likewise.
477         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
478         (ao_ref_init_from_vn_reference): Likewise.
479         * tree-ssa-sink.c (statement_sink_location): Likewise.
480         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
481         (mark_virtual_phi_result_for_renaming): Export.  Tidy.
482         * tree-ssa-pre.c (get_or_alloc_expr_for): Don't handle
483         EXC_PTR_EXPR, FILTER_EXPR.
484         (is_exception_related): Remove.
485         (compute_avail): Don't call it.
486         * tree-ssa-structalias.c: Remove VEC definitions for int and unsigned.
487         * tree.c (find_decls_types_in_eh_region): Update for eh_region changes.
488         (find_decls_types_in_node): Use FOR_ALL_EH_REGION_FN.
489         (build_common_builtin_nodes): Add enable_cxa_end_cleanup parameter.
490         Build EH builtins.
491         (build_resx): Remove.
492         * tree.def (EXC_PTR_EXPR, FILTER_EXPR, RESX_EXPR): Remove.
493         * tree.h: Update declarations.
494         (EH_FILTER_MUST_NOT_THROW): Remove.
495         (struct tree_label_decl): Add eh_landing_pad_nr.
496         (EH_LANDING_PAD_NR): New.
497         * value-prof.c (gimple_ic): Tidy variable names.  Update for
498         landing pad numbers.
499         (gimple_stringop_fixed_value): Tidy variable names.  Assert
500         that neither call stmt can throw.
501         * vecprim.h (uchar): New.
502         (VEC(uchar,heap), VEC(uchar,gc)): New.
504         * c-common.c (c_define_builtins): Update call to
505         build_common_builtin_nodes.
506         * c-parser.c (c_parse_file): Don't call
507         default_init_unwind_resume_libfunc.
509 2009-09-14  Richard Sandiford  <rdsandiford@googlemail.com>
511         * config/mips/mips-protos.h (mips_cfun_has_cprestore_slot_p): Declare.
512         (mips_cprestore_address_p): Likewise.
513         (mips_save_gp_to_cprestore_slot): Likewise.
514         (mips_restore_gp): Rename to...
515         (mips_restore_gp_from_cprestore_slot): ...this.
516         (mips_must_initialize_gp_p): Declare.
517         (mips_emit_save_slot_move): Likewise.
518         (mips_output_load_label): Return nothing.
519         (mips_eh_uses): Declare.
520         * config/mips/mips.h (TARGET_SPLIT_CALLS): Require epilogue_completed.
521         (TARGET_CPRESTORE_DIRECTIVE): New macro.
522         (TARGET_ABSOLUTE_JUMPS): Likewise.
523         (EH_USES): Likewise.
524         (FIRST_PSEUDO_REGISTER): Update comment.
525         (MIPS_ABSOLUTE_JUMP): New macro, extracted from...
526         (MIPS_CALL): ...here.
527         (REGISTER_NAMES): Add $cprestore.
528         * config/mips/mips.c (machine_function): Remove has_gp_insn_p.
529         Add load_label_length, has_inflexible_gp_insn_p,
530         has_flexible_gp_insn_p, must_initialize_gp_p and
531         must_restore_gp_when_clobbered_p.
532         (mips_expand_call): Don't generate split instructions here.
533         (mips_split_call): Update the call to mips_restore_gp after
534         the above name change.
535         (mips16_cfun_returns_in_fpr_p): Move earlier in file.
536         (mips_find_gp_ref): New function.
537         (mips_insn_has_inflexible_gp_ref_p): Likewise.
538         (mips_cfun_has_inflexible_gp_ref_p): Likewise.
539         (mips_insn_has_flexible_gp_ref_p): Likewise.
540         (mips_cfun_has_flexible_gp_ref_p): Likewise.
541         (mips_function_has_gp_insn): Delete.
542         (mips_global_pointer): Drop the df_regs_ever_live_p check.
543         Use the new functions above.  Only return INVALID_REGNUM
544         for TARGET_ABSOLUTE_JUMPS.
545         (mips_must_initialize_gp_p): New function.
546         (mips_get_cprestore_base_and_offset): New function, extracted from...
547         (mips_cprestore_slot): ...here.  Take a bool parameter.
548         (mips_cfun_has_cprestore_slot_p): New function.
549         (mips_cprestore_address_p): Likewise.
550         (mips_save_gp_to_cprestore_slot): Likewise.
551         (mips_restore_gp): Rename to...
552         (mips_restore_gp_from_cprestore_slot): ...this.  Assert
553         epilogue_completed.  Update the call to mips_cprestore_slot.
554         Test cfun->machine->must_restore_gp_when_clobbered_p.
555         (mips_direct_save_slot_move_p): New function.
556         (mips_emit_save_slot_move): Likewise.
557         (mips_output_cplocal): Test mips_must_initialize_gp_p () instead
558         of cfun->machine->global_pointer.
559         (mips_output_function_prologue): Check mips_must_initialize_gp_p ().
560         (mips_save_reg): Use mips_emit_save_slot_move.
561         (mips_expand_prologue): Set must_initialize_gp_p.
562         Use mips_cfun_has_cprestore_slot_p.  Use gen_potential_cprestore
563         for all cprestore saves.  Emit a use_cprestore instruction after
564         setting up the cprestore slot.
565         (mips_restore_reg): Use mips_emit_save_slot_move.
566         (mips_process_load_label): New function.
567         (mips_load_label_length): Likewise.
568         (mips_output_load_label): Don't return asm: output it here instead.
569         Use mips_process_load_label.
570         (mips_adjust_insn_length): Adjust the length of branch instructions
571         that have length MAX_PIC_BRANCH_LENGTH.
572         (mips_output_conditional_branch): Update the call to
573         mips_output_load_label.  Assume the branch target is OPERANDS[0]
574         rather than OPERANDS[1].  Use MIPS_ABSOLUTE_JUMP for absolute jumps.
575         (mips_output_order_conditional_branch): Swap the meaning of
576         OPERANDS[0] and OPERANDS[1].
577         (mips_variable_issue): Don't count ghost instructions.
578         (mips_expand_ghost_gp_insns): New function.
579         (mips_reorg): Rerun mips_reorg_process_insns if it returns true.
580         (mips_output_mi_thunk): Set must_initialize_gp_p.
581         (mips_eh_uses): New function.
582         * config/mips/predicates.md (cprestore_save_slot_operand)
583         (cprestore_load_slot_operand): New predicates.
584         * config/mips/mips.md (UNSPEC_POTENTIAL_CPRESTORE): New unspec.
585         (UNSPEC_MOVE_GP): Likewise.
586         (UNSPEC_CPRESTORE, UNSPEC_RESTORE_GP, UNSPEC_EH_RETURN)
587         (UNSPEC_CONSTTABLE_INT, UNSPEC_CONSTTABLE_FLOAT): Bump to make room.
588         (CPRESTORE_SLOT_REGNUM): New register.
589         (MAX_PIC_BRANCH_LENGTH): New constant.
590         (jal_macro): Use MIPS_ABSOLUTE_JUMPS.
591         (length): Use MAX_PIC_BRANCH_LENGTH as a placeholder for PIC long
592         branches.  Fix commentary.
593         (loadgp_newabi_<mode>): Change from unspec_volatile to unspec.
594         Only split if mips_must_initialize_gp_p; expand to nothing otherwise.
595         Change type to "ghost".
596         (loadgp_absolute_<mode>): Likewise.
597         (loadgp_rtp_<mode>): Likewise.
598         (copygp_mips16): Likewise.
599         (loadgp_blockage): Remove redundant mode attribute.
600         (potential_cprestore): New instruction.
601         (cprestore): Turn into an unspec set.
602         (use_cprestore): New instruction.
603         (*branch_fp): Swap operands 0 and 1.  Remove redundant mode attribute.
604         (*branch_fp_inverted): Likewise.
605         (*branch_order<mode>): Likewise.
606         (*branch_order<mode>_inverted): Likewise.
607         (*branch_equality<mode>): Likewise.
608         (*branch_equality<mode>_inverted): Likewise.
609         (*branch_bit<bbv><mode>): Likewise.
610         (*branch_bit<bbv><mode>_inverted): Likewise.
611         (*branch_equality<mode>_mips16): Remove redundant mode.
612         (jump): Turn into a define_expand.
613         (*jump_absolute): New instruction.
614         (*jump_pic): Likewise.
615         (*jump_mips16): Rename previously-unnamed pattern.  Remove
616         redundant mode attribute.
617         (restore_gp): Split on epilogue_completed rather than
618         reload_completed.  Change type to "ghost".
619         (move_gp<mode>): New instruction.
620         * config/mips/mips-dsp.md (mips_bposge): Swap operands 0 and 1.
621         Remove redundant mode attribute.
622         * config/mips/mips-ps-3d.md (bc1any4t): Likewise.
623         (bc1any4f, bc1any2t, bc1any2f): Likewise.
624         (*branch_upper_lower, *branch_upper_lower_inverted): Likewise.
626 2009-09-14  Michael Meissner  <meissner@linux.vnet.ibm.com>
628         PR target/41210
629         * config/rs6000/rs6000.c (rs6000_function_value): V2DF and V2DI
630         are returned in the same register (vs34 or v2) that Altivec vector
631         types are returned in.
632         (rs6000_libcall_value): Ditto.
634         PR target/41331
635         * config/rs6000/rs6000.c (rs6000_emit_move): Use gen_add3_insn
636         instead of explicit addsi3/adddi3 calls.
637         (rs6000_split_multireg_move): Ditto.
638         (rs6000_emit_allocate_stack): Ditto.
639         (rs6000_emit_prologue): Ditto.
640         (rs6000_output_mi_thunk): Ditto.
642         * config/rs6000/rs6000.md (bswapdi*): Don't assume the pointer
643         size is 64 bits if we can use 64-bit registers.
645 2009-09-14  Bernd Schmidt  <bernd.schmidt@analog.com>
647         * config/bfin/bfin.c (bfin_longcall_p): Don't use short calls for weak
648         symbols.
650         From Jie Zhang <jie.zhang@analog.com>:
651         * config/bfin/bfin.c (bfin_expand_prologue): Ask do_link to
652         save FP and RETS with saveall attribute.
653         (bfin_expand_epilogue): Ask do_unlink to restore FP and RETS
654         with saveall attribute.
656         * config/bfin/bfin.c (bfin_expand_builtin,
657         case BFIN_BUILTIN_MULT_1X32X32): Force constants to registers for the
658         operands.
660         From Jie Zhang <jie.zhang@analog.com>:
661         * config/bfin/bfin.c (bfin_expand_builtin): Initialize icodes
662         before use in two places.
663         * config/bfin/bfin.md (AREG): Define mode iterator.
664         (reload_in, reload_out): Use mode iterator AREG.
666 2009-09-14  Richard Guenther  <rguenther@suse.de>
668         PR middle-end/41350
669         * dwarf2out.c (dwarf2out_begin_prologue): Adjust non-CFI asm
670         EH personality path.
672 2009-09-13  Richard Guenther  <rguenther@suse.de>
673             Rafael Avila de Espindola  <espindola@google.com>
675         * langhooks-def.h (LANG_HOOKS_EH_RUNTIME_TYPE): Define.
676         (LANG_HOOKS_EH_PERSONALITY): Likewise.
677         (LANG_HOOKS_INITIALIZER): Adjust.
678         (lhd_pass_through_t): Declare.
679         * langhooks.h (struct lang_hooks): Add eh_runtime_type and
680         eh_personality.
681         * langhooks.c (lhd_pass_through_t): New function.
682         * dwarf2out.c (output_call_frame_info, dwarf2out_do_cfi_startproc,
683         dwarf2out_begin_prologue): Use personality from current_function_decl.
684         * expr.h (get_personality_function): Declare.
685         * expr.c (get_personality_function): New function.
686         (build_personality_function): Likewise.
687         * libfuncs.h (libfunc_index): Remove LTI_eh_personality.
688         (eh_personality_libfunc): Remove.
689         * optabs.c (build_libfunc_function): New function split out from ...
690         (init_one_libfunc): ... here.
691         * tree.h (DECL_FUNCTION_PERSONALITY): New.
692         (tree_function_decl): Add personality.
693         (lhd_gcc_personality): Declare.
694         (build_personality_function): Likewise.
695         * tree.c (gcc_eh_personality_decl): New.
696         (lhd_gcc_personality): New function.
697         * except.h (lang_eh_runtime_type): Remove.
698         (enum eh_personality_kind): New.
699         (build_personality_function): Declare.
700         (function_needs_eh_personality): Declare.
701         * except.c (lang_eh_runtime_type): Remove.
702         (function_needs_eh_personality): New function.
703         (add_type_for_runtime): Call lang_hooks.type_for_runtime instead.
704         (sjlj_emit_function_enter, output_function_exception_table):
705         Use personality from current_function_decl.
706         * tree-eh.c (lower_eh_constructs): Set DECL_FUNCTION_PERSONALITY.
707         * tree-inline.c (tree_can_inline_p): Do not inline across different
708         EH personalities.
709         (expand_call_inline): Likewise.  Adjust the callers EH personality.
710         (tree_function_versioning): Copy DECL_FUNCTION_PERSONALITY.
711         * cgraph.c (cgraph_add_new_function): Set DECL_FUNCTION_PERSONALITY.
712         * Makefile.in (cgraph.o): Add $(EXCEPT_H) dependency.
713         (c-parser.o): Likewise
714         * c-tree.h (c_eh_initialized_p): Remove.
715         (c_maybe_initialize_eh): Likewise.
716         * c-decl.c (finish_decl): Don't call c_maybe_initialize_eh.
717         (finish_decl): Don't call c_maybe_initialize_eh.
718         (c_eh_initialized_p): Remove.
719         (c_maybe_initialize_eh): Likewise.
720         * c-parser.c (c_parser_omp_construct): Likewise.
721         (c_parse_file): Initialize exception handling.
723 2009-09-13  Kai Tietz  <kai.tietz@onevision.com>
725         * config.gcc (tm_file): Remove i386/biarch32.h
726         for i?86-w64-mingw* case.
727         (i?86-*-mingw* andx86_64-*-mingw*): Add multilib
728         support.
729         * config.host: Set for x64 mingw the option
730         use_long_long_for_widest_fast_int to yes.
732 2009-09-13  Eric Botcazou  <ebotcazou@adacore.com>
734         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
735         * dbxout.c (dbxout_function_end): Do not test DECL_IGNORED_P.
736         (dbxout_begin_function): Likewise.
737         * final.c (dwarf2_debug_info_emitted_p): New predicate.
738         (final_start_function): Do not emit debug info if DECL_IGNORED_P is
739         set on the function.
740         (final_end_function): Likewise.
741         (final_scan_insn): Likewise.
742         (rest_of_handle_final): Likewise.
743         * varasm.c (assemble_start_function): Likewise.
744         * config/rs6000/xcoff.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
746 2009-09-12  Jason Merrill  <jason@redhat.com>
748         * dbgcnt.c (dbg_cnt_process_single_pair): constify.
749         * opts.c (common_handle_option): constify.
751 2009-09-12  Gerald Pfeifer  <gerald@pfeifer.com>
753         * doc/install.texi (avr): Remove obsolete reference site.
755 2009-09-12  Gerald Pfeifer  <gerald@pfeifer.com>
756         
757         * doc/install.texi (Binaries): Adjust AIX link.
759 2009-09-12  Akim Demaille  <demaille@gostai.com>
761         * doc/invoke.texi (-fstrict-aliasing): Correct two examples.
762         Use an imperative sentence.
764 2009-09-11  Richard Henderson  <rth@redhat.com>
766         * gsstruct.def (DEFGSSTRUCT): Remove printable-name argument; add
767         structure-name and has-tree-operands arguments; update all entries.
768         * gimple.def (DEFGSCODE): Replace 3rd argument with GSS_symbol;
769         update all entries.
770         * gimple.c (gimple_ops_offset_): Use HAS_TREE_OP argument.
771         (gsstruct_code_size): New.
772         (gss_for_code_): New.
773         (gss_for_code): Remove.
774         (gimple_size): Rewrite using gsstruct_code_size.
775         (gimple_statement_structure): Move to gimple.h.
776         * gimple.h (gimple_ops_offset_, gss_for_code_): Declare.
777         (gss_for_code, gimple_statement_structure): New.
778         (gimple_ops): Use new arrays; tidy.
780 2009-09-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
782         * config/pa/predicates.md (symbolic_operand): Require a CONST symbolic
783         operand to be a PLUS expression.
784         * config/pa/pa.c (pa_secondary_reload): Likewise.
786 2009-09-11  Jakub Jelinek  <jakub@redhat.com>
788         * combine.c (propagate_for_debug_subst): Call wrap_constant on top.
790         * print-rtl.c (print_rtx): Use JUMP_LABEL (in_rtx) instead of
791         XEXP (in_rtx, 8).
793 2009-09-11  Bernd Schmidt  <bernd.schmidt@analog.com>
795         From Jie Zhang <jie.zhang@analog.com>:
796         * doc/extend.texi (node Function Attributes): Document l2
797         function attribute.
798         (node Blackfin Variable Attributes): Document l2 variable attributes.
800 2009-09-11  Loren J. Rittle  <ljrittle@acm.org>
802         * config.gcc (*-*-freebsd*): Enable default_use_cxa_atexit
803         to match the system compiler's configuration at inflection point.
804         Add comment to remark a remaining difference with system compiler.
806         * configure.ac (*-*-freebsd*): Enable check for __stack_chk_fail.
807         * configure: Regenerate.
809 2009-09-11  Bernd Schmidt  <bernd.schmidt@analog.com>
811         From Jie Zhang <jie.zhang@analog.com>:
812         * config/bfin/bfin.c (bfin_expand_call): Handle L2 functions.
813         (bfin_handle_l2_attribute): New.
814         (bfin_attribute_table): Add l2 attribute.
816 2009-09-11  Michael Matz  <matz@suse.de>
818         PR middle-end/41275
819         * tree-inline.c (remap_decls): Don't put DECL_EXTERNAL decls
820         on the local_decls list.
822 2009-09-11  Alexandre Oliva  <aoliva@redhat.com>
824         PR debug/41276
825         PR debug/41307
826         * cselib.c (cselib_expand_value_rtx_cb): Document callback
827         interface.
828         (cselib_expand_value_rtx_1): Use callback for SUBREGs.  Adjust
829         for VALUEs, to implement the documented interface.
830         * var-tracking.c (vt_expand_loc_callback): Handle SUBREGs.
831         Adjust for VALUEs and anything else, to implement the
832         documented interface.
834 2009-09-10  Nathan Froyd  <froydnj@codesourcery.com>
836         * config/rs6000/rs6000.h (DATA_ALIGNMENT): Check that we are dealing
837         with actual SPE/paired vector modes before using 64-bit alignment.
838         Check that TYPE is a REAL_TYPE for TARGET_E500_DOUBLE.
840 2009-09-10  DJ Delorie  <dj@redhat.com>
842         * config/mep/mep.md (eh_epilogue): Defer until after epilogue is
843         emitted.
845         * config/mep/mep.h (LEGITIMATE_CONSTANT_P): New.
846         * config/mep/mep.c (mep_legitimate_constant_p): New.
847         * config/mep/mep-protos.h: Prototype it.
849 2009-09-10  Richard Henderson  <rth@redhat.com>
851         * print-rtl.c (print_rtx): Fix JUMP_LABEL index.
853 2009-09-10  Jason Merrill  <jason@redhat.com>
855         * tree.c (chain_index): New fn.
856         * tree.h: Declare it.
858 2009-09-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
860         * config/sol2-c.c (cmn_err_length_specs): Initialize
861         scalar_identity_flag.
863 2009-09-10  Richard Henderson  <rth@redhat.com>
865         * tree.h (struct tree_decl_common): Move align member earlier;
866         move label_decl_uid member ...
867         (struct tree_label_decl): ... here.
868         (LABEL_DECL_UID): Update to match.
870         * tree-cfg.c (dump_function_to_file): Dump eh tree with TDF_EH,
871         not TDF_DETAILS.
873         * tree-cfg.c (gimple_redirect_edge_and_branch): Do
874         gimple_try_redirect_by_replacing_jump test after no-op and EH tests.
876         * tree-cfg.c (split_edge_bb_loc): Don't disallow placement at
877         dest_prev if the edge is complex.
879         * tree-cfg.c (is_ctrl_stmt): Use a switch.
881         * tree-cfg.c (gimple_can_merge_blocks_p): Move label and
882         loop latch tests earlier.
884         * gimple-iterator.c (gimple_find_edge_insert_loc): Insert
885         before GIMPLE_RETURN, not after its predecessor; insert
886         before GIMPLE_RESX.
888         * gimple-iterator.c (gimple_find_edge_insert_loc): Use
889         gimple_seq_empty_p to test for no PHI nodes.
890         * tree-cfg.c (split_critical_edges): Likewise.
892         * c-common.h (c_dialect_cxx, c_dialect_objc): Boolify.
894 2009-09-10  Hariharan Sandanagobalane  <hariharan@picochip.com>
896         * final.c (shorten_branches) : Ignore DEBUG_INSN_P instructions
897         introduced by the VTA branch merge.
899 2009-09-10  Uros Bizjak  <ubizjak@gmail.com>
901         * ira-conflicts.c: Use fputs or putc instead of fprintf
902         where appropriate.
903         * cfg.c: Ditto.
904         * toplev.c: Ditto.
905         * tree-switch-conversion.c: Ditto.
907 2009-09-10  Hariharan Sandanagobalane  <hariharan@picochip.com>
909         * config/picochip/picochip.c : Ignore DEBUG_INSN_P instructions
910         introduced by the VTA branch merge.
912 2009-09-10  Uros Bizjak  <ubizjak@gmail.com>
914         Revert:
915         2009-09-09  Uros Bizjak  <ubizjak@gmail.com>
917         PR rtl-optimization/39779
918         * expr.c (convert_modes): Return when mode == oldmode after
919         CONST_INTs are processed.
921 2009-09-10  Nick Clifton  <nickc@redhat.com>
923         * config/mep/mep.c (mep_encode_section_info): Copy weakness
924         attribute and referring decl when creating renamed symbol.
926 2009-09-10  Richard Guenther  <rguenther@suse.de>
928         PR middle-end/41257
929         * cgraphunit.c (cgraph_emit_thunks): Emit thunks only for
930         reachable nodes.
931         (cgraph_finalize_compilation_unit): Compute reachability
932         before emitting thunks.  Properly process aliases before
933         possibly removing unreachable nodes.
935 2009-09-10  Richard Guenther  <rguenther@suse.de>
937         PR middle-end/41254
938         * tree.c (struct free_lang_data_d): Add worklist member.
939         (find_decls_types_r): Push onto the worklist instead of recursing.
940         Handle TREE_BINFOs properly.
941         (find_decls_types): New function wrapped around find_decls_types_r
942         to process the worklist.
943         (find_decls_types_in_eh_region): Use it.
944         (find_decls_types_in_node): Likewise.
945         (find_decls_types_in_var): Likewise.
946         (free_lang_data_in_cgraph): Likewise.  Free the worklist.
947         * tree.h (RECORD_OR_UNION_TYPE_P): New.
948         (AGGREGATE_TYPE_P): Adjust.
950 2009-09-09  Jason Merrill  <jason@redhat.com>
952         * configure.ac: Check glibc version even if we have an in-tree
953         assembler.
955 2009-09-09  Anthony Green  <green@moxielogic.com>
957         * config/moxie/moxie.md (*movsi, *movhi, *movqi): Use xor to load
958         the constant 0 when appropriate.
959         * config/moxie/constraints.md: Add constraint O.
961         * config/moxie/moxie.c (moxie_setup_incoming_varargs): Adjust
962         to pass up to 6 32-bit argument values in registers.
963         (moxie_function_arg): Ditto.
964         (moxie_arg_partial_bytes): Ditto.
965         * config/moxie/moxie.h (FUNCTION_ARG_ADVANCE): Ditto.
966         (REG_PARM_STACK_SPACE): Ditto.
967         (FUNCTION_ARG_REGNO_P): Ditto.
969         * config/moxie/moxie.c (moxie_expand_prologue): Use dec
970         instruction to allocate stack space.
972 2009-09-09  Segher Boessenkool  <segher@kernel.crashing.org>
974         * config/rs6000/rs6000.md (bswapdi2_64bit): Fix
975         unnecessarily stringent constraints.  Fix address
976         calculation in the splitters.
978 2009-09-09  Uros Bizjak  <ubizjak@gmail.com>
980         PR rtl-optimization/39779
981         * expr.c (convert_modes): Return when mode == oldmode after
982         CONST_INTs are processed.
984 2009-09-09  Kai Tietz  <kai.tietz@onevision.com>
986         PR/41315
987         * config/i386.c (ix86_can_use_return_insn_p): Check for padding0, too.
988         (ix86_expand_prologue): Take frame.padding0 into logic of
989         to_allocate checks.
990         (ix86_expand_epilogue): Likewise.
992 2009-09-09  Jakub Jelinek  <jakub@redhat.com>
994         * config/t-slibgcc-elf-ver (SHLIB_MAKE_SOLINK, SHLIB_INSTALL_SOLINK):
995         New variables.
996         (SHLIB_LINK, SHLIB_INSTALL): Use them.
997         * config/t-slibgcc-libgcc: New file.
998         * config.gcc (powerpc*-*-linux*, powerpc*-*-gnu*): Use it.
1000 2009-09-09  Martin Jambor  <mjambor@suse.cz>
1002         PR tree-optimization/41089
1003         * tree-sra.c (find_var_candidates): Do not consider va_lists in
1004         early SRA.
1006 2009-09-09  Richard Henderson  <rth@redhat.com>
1008         * gimple.h (CASE_GIMPLE_OMP): New.
1009         (is_gimple_omp): Use it.
1010         * tree-cfg.c (is_ctrl_altering_stmt): Likewise.
1011         (verify_gimple_debug): Likewise.
1013 2009-09-09  Richard Guenther  <rguenther@suse.de>
1015         PR tree-optimization/41101
1016         * tree-ssa-pre.c (maximal_set): Remove.
1017         (compute_antic_aux): Treat the maximal set as implicitly all ones.
1018         Defer all blocks we didn't visit at least one successor.
1019         (add_to_exp_gen): Do not add to the maximal set.
1020         (make_values_for_phi): Likewise.
1021         (compute_avail): Likewise.
1022         (init_pre): Do not allocate the maximal set.
1023         (execute_pre): Do not dump it.
1025 2009-09-09  Martin Jambor  <mjambor@suse.cz>
1027         * tree-cfg.c (verify_gimple_phi): Check that gimple_phi_result is
1028         an SSA_NAME rather than a is_gimple_variable.
1030 2009-09-09  Richard Guenther  <rguenther@suse.de>
1032         PR middle-end/41317
1033         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Remove
1034         code dealing with plain pointer bases.
1035         (maybe_fold_offset_to_reference): Likewise.
1036         (maybe_fold_stmt_addition): Adjust.
1038 2009-09-09  Richard Guenther  <rguenther@suse.de>
1040         * tree.c (free_lang_data_in_type): Do not free the type variant
1041         chains.
1042         (free_lang_data): Merge char_type_node with its properly signed
1043         variant.
1044         (pass_ipa_free): Collect after freeing language specific data.
1046 2009-09-09  Michael Matz  <matz@suse.de>
1048         PR middle-end/41268
1049         * cfgexpand.c (expand_gimple_stmt_1): Use an int for storing
1050         SUBREG_PROMOTED_UNSIGNED_P, instead of a bool.
1051         * rtl.h (struct rtx, SUBREG_PROMOTED_UNSIGNED_P): Update comments
1052         to reflect reality.
1054 2009-09-08  DJ Delorie  <dj@redhat.com>
1056         * config/mep/mep.c (conversions[]): Add "ml" pattern.
1058 2009-09-04  Jason Merrill  <jason@redhat.com>
1060         * tree.c (tree_find_value): Remove.
1061         * tree.h: Remove prototype.
1062         * varasm.c (assemble_external): Use value_member instead.
1064 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
1066         * toplev.c (process_options): Choose default debugging type when
1067         gtoggle enables debug info and type is unset.
1069 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
1071         PR debug/41276
1072         PR debug/41307
1073         * cselib.c (cselib_expand_value_rtx_1): Don't return copy of
1074         invalid subreg.
1076 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
1078         * configure: Rebuilt with modified libtool.m4.
1080 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
1082         PR debug/41229
1083         PR debug/41291
1084         PR debug/41300
1085         * tree-ssa.c (execute_update_addresses_taken): Update debug insns.
1087 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
1089         * tree-ssa-loop-ivopts.c (get_phi_with_result): Remove.
1090         (remove_statement): Likewise.
1091         (rewrite_use_nonlinear_expr): Adjust.
1092         (remove_unused_ivs): Collect SSA NAMEs to remove and call...
1093         * tree-ssa.c (release_defs_bitset): ... this.  New.
1094         * tree-flow.h (release_defs_bitset): Declare.
1096 2009-09-08  Alexandre Oliva  <aoliva@redhat.com>
1098         PR debug/41232
1099         * tree-ssa-phiopt.c (minmax_replacement): Skip debug stmts
1100         in the middle block.
1102 2009-09-08  Kai Tietz  <kai.tietz@onevision.com>
1104         * tree-ssa-reassoc.c (find_operand_rank): Cast pointer
1105         via intptr_t to long type.
1106         (insert_operand_rank): Cast long type via intptr_t to
1107         pointer type.
1108         * genattrtab.c (RTL_HASH): Use intptr_t to cast from
1109         pointer to scalar.
1110         * c-pretty-print.c (pp_c_tree_decl_identifier): Cast
1111         from pointer to unsigned via uintptr_t.
1113         * configure.ac (GCC_STDINT_TYPES): Initialize intptr_t,
1114         uintptr_t, HAVE_INTTYPES_H, HAVE_STDINT_H, HAVE_UINTPTR_T,
1115         and HAVE_INTPTR_T.
1116         * configure: Regenerated.
1117         * config.in: Regenerated
1118         * system.h (stdint.h): Add include.
1119         (inttypes.h): Likewise.
1120         * Makefile.in (aclocal): Add config/stdint.m4.
1121         * aclocal.m4: Regenerated.
1123 2009-09-08  Bernd Schmidt  <bernd.schmidt@analog.com>
1125         * config/bfin/bfin.c (np_check_regno, np_after_branch): New static
1126         variables.
1127         (note_np_check_stores): New function.
1128         (harmless_null_pointer_p): New function.
1129         (trapping_loads_p): New args NP_REG and AFTER_NP_BRANCH.  Callers
1130         changed.  Take into account whether we're in the shadow of a condjump
1131         that tested NP_REG for NULL.
1132         Lose all code that tested for SEQUENCEs.
1133         (workaround_speculation): Avoid inserting NOPs for loads that are
1134         either always executed or a NULL pointer.
1136 2009-09-08  Jan Hubicka  <jh@suse.cz>
1138         * doc/invoke.texi (early-inlining-insns): Reduce from 12 to 8.
1139         * params.def (early-inlining-insns): Likewise.
1141 2009-09-08  Jakub Jelinek  <jakub@redhat.com>
1143         PR rtl-optimization/41239
1144         * sched-int.h (struct deps): Add last_function_call_may_noreturn field.
1145         * sched-rgn.c (deps_join): Join also last_function_call_may_noreturn
1146         lists.
1147         * sched-deps.c (sched_analyze_insn): Prevent moving trapping insns
1148         across calls, as the calls might not always return normally.
1149         (call_may_noreturn_p): New function.
1150         (deps_analyze_insn): Update last_function_call_may_noreturn list.
1151         (init_deps): Initialize it.
1152         (remove_from_deps): Also remove calls from
1153         last_function_call_may_noreturn list.
1155 2009-09-07  Richard Henderson  <rth@redhat.com>
1157         * tree-ssa-sccvn.c (vn_reference_lookup_3): Don't assume there are
1158         more VR->OPERANDS than LHS operands.  Free LHS before returning.
1160 2009-09-07  Bernd Schmidt  <bernd.schmidt@analog.com>
1162         * config/bfin/bfin.md (UNSPEC_VOLATILE_STALL): New constant.
1163         (attr "addrtype"): New member "spreg".
1164         Use it if mem_spfp_address_operand is true for the address.
1165         (attr "type"): New entry "stall".
1166         (cpu_unit "load"): New.
1167         (insn_reservations "load32", "loadp", "loadi"): Add reservation of
1168         "load".
1169         (insn_reservation "loadsp"): New.
1170         (insn_reservation "load_stall1"): New.
1171         (insn_reservation "load_stall3"): New.
1172         (stall): New insn.
1173         * config/bfin/predicates.md (const1_operand, const3_operand): New.
1174         (mem_p_address_operand): Exclude stack and frame pointer based
1175         addresses.
1176         (mem_spfp_address_operand): New; match them here.
1177         * config/bfin/bfin.c (add_sched_insns_for_speculation): New function.
1178         (bfin_reorg): Call it if scheduling insns.
1179         (bfin_gen_bundles): Remove dummy insns created by
1180         add_sched_insns_for_speculation.
1182         From Jie Zhang <jie.zhang@analog.com>:
1183         * config/bfin/bfin-protos.h (enum bfin_cpu_type, bfin_cpu_type,
1184         bfin_si_revision, bfin_workarounds): Move these ...
1185         * config/bfin/bfin.h: ... here.
1187         From Mike Frysinger  <michael.frysinger@analog.com>
1188         * config/bfin/bfin-protos.h (bfin_cpu_type): Add BFIN_CPU_BF542M,
1189         BFIN_CPU_BF544M, BFIN_CPU_BF547M, BFIN_CPU_BF548M, and BFIN_CPU_BF549M.
1190         * config/bfin/bfin.c (bfin_cpus[]): Add 0.3 for bf542m, bf544m,
1191         bf547m, bf548m, and bf549m.
1192         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF542M__
1193         for BFIN_CPU_BF542M, __ADSPBF544M__ for BFIN_CPU_BF544M,
1194         __ADSPBF547M__ for BFIN_CPU_BF547M, __ADSPBF548M__ for
1195         BFIN_CPU_BF548M, and __ADSPBF549M__ for BFIN_CPU_BF549M.
1196         * config/bfin/t-bfin-elf (MULTILIB_MATCHES): Select bf532-none for
1197         bf542m-none, bf544m-none, bf547m-none, bf548m-none, and bf549m-none.
1198         * config/bfin/t-bfin-linux (MULTILIB_MATCHES): Likewise.
1199         * config/bfin/t-bfin-uclinux (MULTILIB_MATCHES): Likewise.
1200         * doc/invoke.texi (Blackfin Options): Document that -mcpu now accepts
1201         bf542m, bf544m, bf547m, bf548m, and bf549m.
1203         From Jie Zhang <jie.zhang@analog.com>:
1204         * config/bfin/predicates.md (p_register_operand): New predicate.
1205         (dp_register_operand): New predicate.
1206         * config/bfin/bfin-protos.h (WA_05000074): Define.
1207         (ENABLE_WA_05000074): Define.
1208         * config/bfin/bfin.c (bfin_cpus[]): Add WA_05000074 for all cpus.
1209         (bfin_gen_bundles): Put dsp32shiftimm instruction in slot[0].
1210         * config/bfin/bfin.md (define_attr type): Add dsp32shiftimm.
1211         (define_attr addrtype): Allow load/store register to be P register.
1212         (define_attr storereg): New.
1213         (define_cpu_unit anomaly_05000074): New.
1214         (define_insn_reservation dsp32shiftimm): New.
1215         (define_insn_reservation dsp32shiftimm_anomaly_05000074): New.
1216         (define_insn_reservation loadp): Cannot use slot2.
1217         (define_insn_reservation loadsp): Cannot use slot2.
1218         (define_insn_reservation storep): Cannot use slot2. Does not
1219         apply when working around 05000074.
1220         (define_insn_reservation storep_anomaly_05000074): New.
1221         (define_insn_reservation storei): Does not apply when working
1222         around 05000074.
1223         (define_insn_reservation storei_anomaly_05000074): New.
1224         (define_attr length): Add dsp32shiftimm case.
1225         (define_insn movsi_insn32, movsi_insv, ashlsi3_insn, ashrsi3,
1226         ror_one, rol_one, lshrsi3, lshrpdi3, ashrpdi3, movhiv2hi_low,
1227         movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
1228         ssashiftv2hi3, ssashifthi3, ssashiftsi3, lshiftv2hi3, lshifthi3):
1229         Set type as dsp32shiftimm for dsp32shiftimm alternatives.
1231 2009-09-07  Martin Jambor  <mjambor@suse.cz>
1233         PR middle-end/41282
1234         * tree-sra.c (create_artificial_child_access): Return NULL if
1235         build_ref_for_offset fails.
1236         (propagate_subacesses_accross_link): Allow build_ref_for_offset
1237         and create_artificial_child_access to fail.
1239 2009-09-06  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
1241         PR c++/41214
1242         * unwind-dw2.c (uw_init_context_1): Mark noinline.
1243         * config/ia64/unwind-ia64.c (uw_init_context_1): Likewise.
1244         * config/xtensa/unwind-dw2-xtensa.c (uw_init_context_1): Likewise.
1246 2009-09-07  Bernd Schmidt  <bernd.schmidt@analog.com>
1248         * config/bfin/bfin.c (bfin_optimize_loop): When creating a new basic
1249         block, ensure it has an exit edge.  Emit a barrier after a jump.
1251 2009-09-07  Nick Clifton  <nickc@redhat.com>
1253         * gcc.c (this_is_linker_script): New variable.  Like
1254         this_is_library_file but for the %T constructor.
1255         (end_going_arg): If this_is_linker_script is set then locate the
1256         script and insert a --script switch before it
1257         (do_spec_2): Initialise this_is_linker_script.
1258         (do_spec_1): Likewise.  Handle %T construct.
1259         (eval_spec_function): Preserve this_is_linker_script.
1260         * doc/invoke.texi: Document %T construct in spec files.
1261         * config/m32c/m32c.h (LIB_SPEC): Use it.
1263 2009-09-07  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1265         * rtl.h (PREFETCH_SCHEDULE_BARRIER_P): New macro.
1266         * sched-deps.c (sched_analyze_2): Make prefetches a hard barrier
1267         when volatile flag is set.
1268         * doc/rtl.texi (PREFETCH_SCHEDULE_BARRIER_P): Add documentation pieces.
1270 2009-09-06  Eric Botcazou  <ebotcazou@adacore.com>
1272         PR bootstrap/41241
1273         * combine-stack-adj.c (try_apply_stack_adjustment): Handle stores.
1274         (combine_stack_adjustments_for_block): Allow insns between stack
1275         adjustments and stores with corresponding pre-(dec|inc)rement or
1276         pre-modify operation.
1278 2009-09-06  Jakub Jelinek  <jakub@redhat.com>
1280         PR bootstrap/41241
1281         * combine-stack-adj.c (struct csa_memlist): Rename to...
1282         (struct csa_reflist): ... this.  Rename mem field to ref.
1283         (free_csa_memlist): Rename to...
1284         (free_csa_reflist): ... this.
1285         (record_one_stack_memref): Rename to...
1286         (record_one_stack_ref): ... this.  Handle also REG_P.
1287         (try_apply_stack_adjustment): Handle also REG_P.
1288         (struct record_stack_memrefs_data): Rename to...
1289         (struct record_stack_refs_data): ... this.  Rename memlist field to
1290         reflist.
1291         (record_stack_memrefs): Rename to...
1292         (record_stack_refs): ... this.  For DEBUG_INSNs keep traversing
1293         subexpressions instead of failing when a MEM contains SP references.
1294         For SP itself in DEBUG_INSNs queue it also onto reflist chain.
1295         (combine_stack_adjustments_for_block): Adjust for mem to ref renaming.
1297 2009-09-06  Richard Guenther  <rguenther@suse.de>
1299         PR middle-end/41144
1300         * tree.c (build_array_type): Do not record types marked
1301         with structural equality in the canonical type hashtable.
1303 2009-09-06  Richard Guenther  <rguenther@suse.de>
1305         PR middle-end/41261
1306         * tree-ssa-alias.c (refs_may_alias_p_1): Bail out for function decls.
1308 2009-09-05  Richard Guenther  <rguenther@suse.de>
1310         PR middle-end/41181
1311         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use the correct type.
1313 2009-09-05  Richard Guenther  <rguenther@suse.de>
1315         PR debug/41273
1316         * tree-ssa-operands.c (get_tmr_operands): Pass through opf_no_vops.
1318 2009-09-05  Richard Guenther  <rguenther@suse.de>
1320         PR middle-end/41271
1321         * tree-ssa.c (useless_type_conversion_p): Drop qualifiers
1322         before comparing function argument types.
1324 2009-09-05  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
1326         PR target/41024
1327         * config/i386/mingw-w64.h (ASM_SPEC): Pass -v instead of -V to
1328         the assembler.
1330 2009-09-04  Uros Bizjak  <ubizjak@gmail.com>
1332         Revert:
1333         2009-08-18  Uros Bizjak  <ubizjak@gmail.com>
1335         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Allocate insn
1336         locators before emit_insn is called.
1338 2009-09-04  Vladimir Makarov  <vmakarov@redhat.com>
1340         PR bootstrap/41241
1341         * ira.c (update_equiv_reg): Revert my previous patch for the PR.
1342         * reginfo.c (resize_reg_info): Call allocate_reg_info if necessary.
1343         (reginfo_init): Don't call allocate_reg_info.
1345 2009-09-04  Uros Bizjak  <ubizjak@gmail.com>
1347         PR target/41262
1348         * config/alpha/alpha.c (alpha_does_function_need_gp): Use
1349         NONDEBUG_INSN_P instead of INSN_P.
1351 2009-09-04  Alexandre Oliva  <aoliva@redhat.com>
1353         PR debug/41225
1354         * tree-vect-stmts.c (vect_stmt_relevant_p): Skip debug uses.
1356 2009-09-04  Alexandre Oliva  <aoliva@redhat.com>
1358         PR target/41252
1359         * config/arm/vfp.md (*cmpdf_split_vfp): Fix src mode in the second
1360         pattern of the split.
1362 2009-09-04  Alexandre Oliva  <aoliva@redhat.com>
1364         * toplev.c (process_options): Move setter of flag_var_tracking
1365         before other tests that depend on it.  Move down setter of
1366         flag_rename_registers.  Don't enable var-tracking-assignments
1367         by default if selective scheduling is enabled.  Warn if both
1368         are enabled.
1370 2009-09-04  Alexandre Oliva  <aoliva@redhat.com>
1372         * var-tracking.c (dv_is_decl_p): Adjust NULL behavior to match
1373         comment.  Use switch statement to catch overlaps between rtx
1374         and tree codes.  Accept FUNCTION_DECLs in addition to those in...
1375         (IS_DECL_CODE): ... here. Remove.
1376         (check_value_is_not_decl): Remove.
1377         (dv_from_decl, dv_from_value): Check after conversion.
1379 2009-09-04  Richard Guenther  <rguenther@suse.de>
1381         PR middle-end/41257
1382         * (cgraph_finalize_compilation_unit): Move finalizing aliases
1383         after emitting tunks.  Move emitting thunks and ctors from ...
1384         (cgraph_optimize): ... here.  Remove redundant
1385         cgraph_analyze_functions.
1386         * varasm.c (find_decl_and_mark_needed): Remove no longer
1387         necessary check.
1388         (finish_aliases_1): Adjust check for thunk aliases.
1390 2009-09-04  Daniel Gutson  <dgutson@codesourcery.com>
1392         * config/arm/arm.md (ctzsi2): Added braces
1393         to avoid warning that broke booststrap.
1395 2009-09-04  Martin Jambor  <mjambor@suse.cz>
1397         PR tree-optimization/41112
1398         * tree-sra.c (build_ref_for_offset_1): Signal that we cannot
1399         handle variable-bounded arrays.
1400         (expr_with_var_bounded_array_refs_p): New function.
1401         (analyze_access_subtree): Call expr_with_var_bounded_array_refs_p.
1403 2009-09-04  Wolfgang Gellerich  <gellerich@de.ibm.com>
1405         * config/s390/2097.md: Removed two incorrect bypasses.
1406         (z10_fsimpdf): Fixed latency.
1407         (z10_fhex): New insn_reservation.
1408         (z10_floaddf): Fixed latency.
1409         (z10_floadsf): Fixed latency.
1410         (z10_ftrunctf): Fixed latency.
1411         (z10_ftruncdf): Fixed latency.
1412         * config/s390/s390.c (z10_cost): Fixed values.
1413         (s390_adjust_priority): Added z10 path.
1414         * config/s390/s390.md (type): Added fhex.
1415         (*mov<mode>_64dfp): Updated type attribute.
1416         (*mov<mode>_64): Updated type attribute.
1417         (*mov<mode>_31): Updated type attribute.
1418         (*mov<mode>"): Likewise.
1419         * config/s390/2084.md (x_fsimpdf): Updated condition.
1421 2009-09-04  Andreas Krebbel  <krebbel1@de.ibm.com>
1423         * config/s390/s390.md ("*fmadd<mode>", "*fmsub<mode>"): Enable mem
1424         RTXs in the predicate for operand 1.
1426 2009-09-03  Daniel Gutson  <dgutson@codesourcery.com>
1428         * config/arm/arm.md (UNSPEC_RBIT): New constant.
1429         (rbitsi2): New insn.
1430         (ctzsi2): New expand.
1431         * config/arm/arm.h (CTZ_DEFINED_VALUE_AT_ZERO): New macro.
1433 2009-09-03  Martin Jambor  <mjambor@suse.cz>
1435         * tree-sra.c (duplicate_expr_for_different_base): Removed.
1436         (create_artificial_child_access): Use build_ref_for_offset instead
1437         of duplicate_expr_for_different_base.
1438         (propagate_subacesses_accross_link): Likewise.
1440 2009-09-03  Richard Sandiford  <rdsandiford@googlemail.com>
1442         * config/mips/mips.c (USEFUL_INSN_P): Use NONDEBUG_INSN_P instead
1443         of INSN_P.
1444         (mips16e_collect_argument_saves): Skip debug instructions.
1445         (mips_74k_agen_init): Use CALL_P || JUMP_P instead of !NONJUMP_INSN_P.
1446         (mips16_lay_out_constants): Use USEFUL_INSN_P instead of INSN_P.
1447         (r10k_insert_cache_barriers): Likewise.
1448         (mips_reorg_process_insns): Likewise.
1450 2009-09-03  Vladimir Makarov  <vmakarov@redhat.com>
1452         PR bootstrap/41241
1453         * ira.c (update_equiv_reg): Remove check on class likely spill.
1455 2009-09-03  Jakub Jelinek  <jakub@redhat.com>
1457         PR debug/41236
1458         * dwarf2out.c (loc_descriptor): Don't use SUBREG_REG macro on
1459         SIGN_EXTEND or ZERO_EXTEND.  Don't assume there is a REG inside of
1460         it or SUBREG.
1462         PR debug/41238
1463         * function.c (assign_parm_find_stack_rtl): Don't set mem attributes on
1464         the stack slot if it is passed by invisible reference.
1465         * var-tracking.c (vt_add_function_parameters): Handle arguments passed
1466         by invisible reference.
1468 2009-09-03  Bernd Schmidt  <bernd.schmidt@analog.com>
1470         * config/bfin/linux.h (TARGET_SUPPORTS_SYNC_CALLS): Define to 1.
1471         * config/bfin/uclinux.h (TARGET_SUPPORTS_SYNC_CALLS): Define to 1.
1472         * config/bfin/bfin.h (TARGET_SUPPORTS_SYNC_CALLS): Provide default of
1473         0.
1474         * config/bfin/sync.md: New file.
1475         * config/bfin/bfin.md: Include it.
1476         (UNSPEC_ATOMIC): New.
1477         (UNSPEC_ONES): Provide a unique number.
1479         From Jie Zhang <jie.zhang@analog.com>:
1480         * config/bfin/bfin.c (ret_regs): New.
1481         (must_save_fp_p): Don't return true because of frame_pointer_needed.
1482         (must_save_rets_p): New.
1483         (n_regs_saved_by_prologue): Use must_save_rets_p instead of
1484         current_function_is_leaf.
1485         (do_link): Likewise.
1486         (do_unlink): Likewise.
1487         (expand_interrupt_handler_prologue): Use ret_regs array.
1488         (expand_interrupt_handler_epilogue): Use ret_regs array and
1489         pass return register to gen_return_internal.
1490         (bfin_expand_epilogue): Pass return register to
1491         gen_return_internal.
1492         (bfin_expand_call): Explicitly clobber RETS.
1493         * config/bfin/bfin.h (FUNCTION_RETURN_REGISTERS): Define.
1494         * config/bfin/bfin.md (call_symbol_fdpic, call_value_symbol_fdpic,
1495         call_insn_fdpic, call_value_insn_fdpic, call_symbol,
1496         call_value_symbol, call_insn, call_value_insn): Explicitly clobber
1497         RETS.
1498         (return_internal): Take a reg rtx rather than the register number.
1500 2009-09-03  H.J. Lu  <hongjiu.lu@intel.com>
1502         * tree-parloops.c (parallelize_loops): Cast to HOST_WIDE_INT
1503         when comparing against estimated_loop_iterations_int return.
1505 2009-09-03  Richard Guenther  <rguenther@suse.de>
1507         * dwarf2out.c (dwarf2out_do_cfi_asm): Remove check of
1508         eh_personality_libfunc.
1510 2009-09-03  Razya Ladelsky  <razya@il.ibm.com>
1512         * tree-parloops.c (separate_decls_in_region): Add space.
1514 2009-09-03  Razya Ladelsky  <razya@il.ibm.com>
1516         * tree-parloops.c (separate_decls_in_region): Change the condition
1517         checking if there are reductions in the loop.
1519 2009-09-03  Razya Ladelsky  <razya@il.ibm.com>
1521         PR tree-optimization/38275
1522         * tree-parloops.c (parallelize_loops): Replace profitability condition
1523         for expected number of iterations.
1525 2009-09-03  Alexandre Oliva  <aoliva@redhat.com>
1527         * doc/invoke.texi (BUILD_CONFIG): Document --with-build-config.
1528         (bootstrap-debug): Explain conditions in which it becomes default.
1529         (bootstrap-debug-big): Rather than duplicate bootstrap-debug,
1530         make it add to it.
1532 2009-09-03  Namhyung Kim  <namhyung@gmail.com>
1534         * doc/invoke.texi (Optimize Options): Move
1535         -finline-small-functions to the -O2 list.
1537 2009-09-03  Alexandre Oliva  <aoliva@redhat.com>
1539         * toplev.c (process_options): Enable var-tracking-assignments
1540         by default if var-tracking is enabled.
1542 2009-09-02  David Daney  <ddaney@caviumnetworks.com>
1544         * cfgbuild.c (find_bb_boundaries): Split blocks containing a
1545         barrier.
1546         * emit-rtl.c (prev_nonnote_insn_bb): New function.
1547         * rtl.h (prev_nonnote_insn_bb): Declare it.
1549 2009-09-03  Diego Novillo  <dnovillo@google.com>
1551         * cgraph.c (cgraph_node_for_decl): New.
1552         * cgraph.h (cgraph_node_for_decl): Declare.
1553         * tree.c (host_integerp): Return 0 if T is NULL.
1555 2009-09-03  Diego Novillo  <dnovillo@google.com>
1557         * tree.h (struct alias_pair): Move from varasm.c.
1558         (alias_pairs): Likewise.
1559         (TYPE_MAXVAL): Define.
1560         (TYPE_MINVAL): Define.
1561         (iterative_hash_host_wide_int): Declare.
1562         (remove_unreachable_alias_pairs): Declare.
1563         * tree-pass.h (pass_ipa_free_lang_data): Declare.
1564         * diagnostic.c (default_diagnostic_starter): Make extern.
1565         (default_diagnostic_finalizer): Make extern.
1566         * diagnostic.h (default_diagnostic_starter): Declare.
1567         (default_diagnostic_finalizer): Declare.
1568         (default_tree_printer): Declare.
1569         * toplev.c (default_tree_printer): Make extern.
1571 2009-09-03  Richard Guenther  <rguenther@suse.de>
1572             Diego Novillo  <dnovillo@google.com>
1574         * cgraph.c (cgraph_add_new_function): Remove gimplification.
1575         * cgraphunit.c (cgraph_expand_function): Do not emit
1576         associated thunks from here.
1577         (cgraph_emit_thunks): New.
1578         (cgraph_optimize): Call it.
1579         Return if any IPA pass finds an error.
1580         * varasm.c (finish_aliases_1): Ignore errorneous aliases used
1581         by thunks.
1583 2009-09-03  Simon Baldwin  <simonb@google.com>
1584             Rafael Espindola  <espindola@google.com>
1585             Richard Guenther  <rguenther@suse.de>
1586             Doug Kwan  <dougkwan@google.com>
1587             Diego Novillo  <dnovillo@google.com>
1589         * tree.c: Include tree-pass.h, langhooks-def.h,
1590         diagnostic.h, cgraph.h, timevar.h, except.h and debug.h.
1591         (free_lang_data_in_type): New.
1592         (need_assembler_name_p): New.
1593         (free_lang_data_in_block): New.
1594         (free_lang_data_in_decl): New.
1595         (struct free_lang_data_d): New.
1596         (add_tree_to_fld_list): New.
1597         (find_decls_types_r): New.
1598         (get_eh_types_for_runtime): New.
1599         (find_decls_types_in_eh_region): New.
1600         (find_decls_types_in_node): New.
1601         (find_decls_types_in_var): New.
1602         (free_lang_data_in_cgraph): New.
1603         (free_lang_data): New.
1604         (gate_free_lang_data): New.
1605         (pass_ipa_free_lang_data): New.
1607 2009-09-03  Diego Novillo  <dnovillo@google.com>
1609         * timevar.def (TV_IPA_FREE_LANG_DATA): Define.
1610         * langhooks.h (struct lang_hooks): Add field free_lang_data.
1611         (lang_hooks): Remove const qualifier.
1612         * ipa.c (cgraph_remove_unreachable_nodes): Call
1613         remove_unreachable_alias_pairs.
1614         * except.c (add_type_for_runtime): Check if TYPE has
1615         already been converted.
1616         (lookup_type_for_runtime): Likewise.
1617         (check_handled): Handle converted types.
1618         * varasm.c (remove_unreachable_alias_pairs): New.
1619         * gimple.c: Include demangle.h.
1620         (gimple_decl_printable_name): New.
1621         (gimple_fold_obj_type_ref): New.
1622         * gimple.h (gimple_decl_printable_name): Declare.
1623         (gimple_fold_obj_type_ref): Declare.
1624         * passes.c (init_optimization_passes): Add pass
1625         pass_ipa_free_lang_data.
1626         * langhooks-def.h (LANG_HOOKS_FREE_LANG_DATA): Define.
1627         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_FREE_LANG_DATA.
1629 2009-09-03  Diego Novillo  <dnovillo@google.com>
1631         * c-lang.c (lang_hooks): Remove const qualifier.
1633 2009-09-02  Loren James Rittle  <ljrittle@acm.org>
1635         * doc/install.texi (*-*-freebsd*): Update target information.
1637 2009-09-02  Anatoly Sokolov  <aesok@post.ru>
1639         * hard-reg-set.h (call_fixed_regs): Remove.
1640         * reginfo.c (call_fixed_regs): Remove.
1641         (init_reg_sets_1): Remove initialization of call_fixed_regs.
1642         (globalize_reg): Don't use call_fixed_regs.
1643         * caller-save.c (init_caller_save): Use call_fixed_reg_set instead of
1644         call_fixed_regs.
1646 2009-09-01  Michael Matz  <matz@suse.de>
1648         * expr.h (emit_storent_insn, expand_expr_real_1,
1649         expand_expr_real_2): Declare.
1650         * expr.c (emit_storent_insn, expand_expr_real_1,
1651         expand_expr_real_2): Export.
1652         (store_expr): Setting and evaluating dont_return_target is useless.
1653         (expand_expr_real_1, <case GOTO_EXPR, RETURN_EXPR, SWITCH_EXPR,
1654         LABEL_EXPR and ASM_EXPR>): Move to gcc_unreachable.
1655         * except.c (expand_resx_expr): Rename to ...
1656         (expand_resx_stmt): ... this.  Rewrite to take gimple statement.
1657         * except.h (expand_resx_stmt): Declare.
1658         * stmt.c: Add include gimple.h
1659         (expand_asm_expr): Rename to ...
1660         (expand_asm_stmt): ... this. Rewrite to take gimple statement.
1661         (expand_case): Rewrite to take gimple statement.
1662         * tree.h (expand_asm_stmt): Declare.
1663         (expand_case): Change prototype.
1664         * Makefile.in (stmt.o): Depend on gimple.h.
1665         * builtins.c (expand_builtin_synchronize): Build gimple asm
1666         statement, not an ASM_EXPR.
1667         * cfgexpand.c (gimple_cond_pred_to_tree, set_expr_location_r,
1668         gimple_to_tree, release_stmt_tree): Remove.
1669         (expand_gimple_cond): Don't call gimple_cond_pred_to_tree or
1670         ggc_free, but hold comparison code and operands separately.
1671         Call jumpif_1 and jumpifnot_1 instead of jumpif and jumpifnot.
1672         (expand_call_stmt, expand_gimple_stmt_1,
1673         expand_gimple_stmt): New helpers.
1674         (expand_gimple_tailcall): Don't call gimple_to_tree, expand_expr_stmt,
1675         release_stmt_tree.  Call expand_gimple_stmt instead.
1676         (expand_gimple_basic_block): Ditto.
1678         * calls.c (emit_call_1): Don't look at EH regions here, make
1679         fntree parameter useless.
1680         (expand_call): New local rettype for TREE_TYPE(exp), use it
1681         throughout.  Remove local p, use addr instead.
1682         Don't look at EH regions here.
1684 2009-09-02  Vladimir Makarov  <vmakarov@redhat.com>
1686         * doc/invoke.texi (-fsched-pressure): Document it.
1687         (-fsched-reg-pressure-heuristic): Remove it.
1689         * reload.c (ira.h): Include.
1690         (find_reloads): Add choosing reload on number of small spilled
1691         classes.
1693         * haifa-sched.c (ira.h): Include.
1694         (sched_pressure_p, sched_regno_cover_class, curr_reg_pressure,
1695         saved_reg_pressure, curr_reg_live, saved_reg_live,
1696         region_ref_regs): New variables.
1697         (sched_init_region_reg_pressure_info, mark_regno_birth_or_death,
1698         initiate_reg_pressure_info, setup_ref_regs,
1699         initiate_bb_reg_pressure_info, save_reg_pressure,
1700         restore_reg_pressure, dying_use_p, print_curr_reg_pressure): New
1701         functions.
1702         (setup_insn_reg_pressure_info): New function.
1703         (rank_for_schedule): Add pressure checking and insn issue time.
1704         Remove comparison of insn reg weights.
1705         (ready_sort): Set insn reg pressure info.
1706         (update_register_pressure, setup_insn_max_reg_pressure,
1707         update_reg_and_insn_max_reg_pressure,
1708         sched_setup_bb_reg_pressure_info): New functions.
1709         (schedule_insn): Add code for printing and updating reg pressure info.
1710         (find_set_reg_weight, find_insn_reg_weight): Remove.
1711         (ok_for_early_queue_removal): Do nothing if pressure_only_p.
1712         (debug_ready_list): Print reg pressure info.
1713         (schedule_block): Ditto.  Check insn issue time.
1714         (sched_init): Set up sched_pressure_p.  Allocate and set up some
1715         reg pressure related info.
1716         (sched_finish): Free some reg pressure related info.
1717         (fix_tick_ready): Make insn always ready if pressure_p.
1718         (init_h_i_d): Don't call find_insn_reg_weight.
1719         (haifa_finish_h_i_d): Free insn reg pressure info.
1721         * ira-int.h (ira_hard_regno_cover_class, ira_reg_class_nregs,
1722         ira_memory_move_cost, ira_class_hard_regs,
1723         ira_class_hard_regs_num, ira_no_alloc_regs,
1724         ira_available_class_regs, ira_reg_class_cover_size,
1725         ira_reg_class_cover, ira_class_translate): Move to ira.h.
1727         * ira-lives.c (single_reg_class): Check mode to find how many
1728         registers are necessary for operand.
1729         (ira_implicitly_set_insn_hard_regs): New.
1731         * common.opt (fsched-pressure): New options.
1732         (fsched-reg-pressure-heuristic): Remove.
1734         * ira.c (setup_eliminable_regset): Rename to
1735         ira_setup_eliminable_regset.  Make it external.
1736         (expand_reg_info): Pass cover class to setup_reg_classes.
1737         (ira): Call resize_reg_info instead of allocate_reg_info.
1739         * sched-deps.c: Include ira.h.
1740         (implicit_reg_pending_clobbers, implicit_reg_pending_uses): New.
1741         (create_insn_reg_use, create_insn_reg_set, setup_insn_reg_uses,
1742         reg_pressure_info, insn_use_p, mark_insn_pseudo_birth,
1743         mark_insn_hard_regno_birth, mark_insn_reg_birth,
1744         mark_pseudo_death, mark_hard_regno_death, mark_reg_death,
1745         mark_insn_reg_store, mark_insn_reg_clobber,
1746         setup_insn_reg_pressure_info): New.
1747         (sched_analyze_1): Update implicit_reg_pending_uses.
1748         (sched_analyze_insn): Find implicit sets, uses, clobbers of regs.
1749         Use them to create dependencies.  Set insn reg uses and pressure
1750         info.  Process reg_pending_uses in one place.
1751         (free_deps): Free implicit sets.
1752         (remove_from_deps): Remove implicit sets if necessary.  Check
1753         implicit sets when clearing reg_last_in_use.
1754         (init_deps_global): Clear implicit_reg_pending_clobbers and
1755         implicit_reg_pending_uses.
1757         * ira.h (ira_hard_regno_cover_class, ira_reg_class_nregs,
1758         ira_memory_move_cost, ira_class_hard_regs,
1759         ira_class_hard_regs_num, ira_no_alloc_regs,
1760         ira_available_class_regs, ira_reg_class_cover_size,
1761         ira_reg_class_cover, ira_class_translate): Move from ira-int.h.
1762         (ira_setup_eliminable_regset, ira_set_pseudo_classes,
1763         ira_implicitly_set_insn_hard_regs): New prototypes.
1765         * ira-costs.c (pseudo_classes_defined_p, allocno_p,
1766         cost_elements_num): New variables.
1767         (allocno_costs, total_costs): Rename to costs and
1768         total_allocno_costs.
1769         (COSTS_OF_ALLOCNO): Rename to COSTS.
1770         (allocno_pref): Rename to pref.
1771         (allocno_pref_buffer): Rename to pref_buffer.
1772         (common_classes): Rename to regno_cover_class.
1773         (COST_INDEX): New.
1774         (record_reg_classes): Set allocno attributes only if allocno_p.
1775         (record_address_regs): Ditto.  Use COST_INDEX instead of ALLOCNO_NUM.
1776         (scan_one_insn): Use COST_INDEX and COSTS instead of ALLOCNO_NUM
1777         and COSTS_OF_ALLOCNO.
1778         (print_costs): Rename to print_allocno_costs.
1779         (print_pseudo_costs): New.
1780         (process_bb_node_for_costs): Split into 2 functions with new
1781         function process_bb_for_costs.  Pass BB to process_bb_for_costs.
1782         (find_allocno_class_costs): Rename to find_costs_and_classes.  Add
1783         new parameter dump_file.  Use cost_elements_num instead of
1784         ira_allocnos_num.  Make one iteration if preferred classes were
1785         already calculated for scheduler.  Make 2 versions of code
1786         depending on allocno_p.
1787         (setup_allocno_cover_class_and_costs): Check allocno_p.  Use
1788         regno_cover_class and COSTS instead of common_classes and
1789         COSTS_OF_ALLOCNO.
1790         (init_costs, finish_costs): New.
1791         (ira_costs): Set up allocno_p and cost_elements_num.  Call
1792         init_costs and finish_costs.
1793         (ira_set_pseudo_classes): New.
1795         * rtl.h (allocate_reg_info): Remove.
1796         (resize_reg_info): Change return type.
1797         (reg_cover_class): New.
1798         (setup_reg_classes): Add new parameter.
1800         * sched-int.h (struct deps_reg): New member implicit_sets.
1801         (sched_pressure_p, sched_regno_cover_class): New external definitions.
1802         (INCREASE_BITS): New macro.
1803         (struct reg_pressure_data, struct reg_use_data): New.
1804         (struct _haifa_insn_data): Remove reg_weight.  Add members
1805         reg_pressure, reg_use_list, reg_set_list, and
1806         reg_pressure_excess_cost_change.
1807         (struct deps): New member implicit_sets.
1808         (pressure_p): New variable.
1809         (COVER_CLASS_BITS, INCREASE_BITS): New macros.
1810         (struct reg_pressure_data, struct reg_use_data): New.
1811         (INSN_REG_WEIGHT): Remove.
1812         (INSN_REG_PRESSURE, INSN_MAX_REG_PRESSURE, INSN_REG_USE_LIST,
1813         INSN_REG_SET_LIST, INSN_REG_PRESSURE_EXCESS_COST_CHANGE): New macros.
1814         (sched_init_region_reg_pressure_info,
1815         sched_setup_bb_reg_pressure_info): New prototypes.
1817         * reginfo.c (struct reg_pref): New member coverclass.
1818         (reg_cover_class): New function.
1819         (reginfo_init, pass_reginfo_init): Move after free_reg_info.
1820         (reg_info_size): New variable.
1821         (allocate_reg_info): Make static.  Setup reg_info_size.
1822         (resize_reg_info): Use reg_info_size.  Return flag of resizing.
1823         (setup_reg_classes): Add a new parameter.  Setup cover class too.
1825         * Makefile.in (reload.o, haifa-sched.o, sched-deps.o): Add ira.h to
1826         the dependencies.
1828         * sched-rgn.c (deps_join): Set up implicit_sets.
1829         (schedule_region): Set up region and basic blocks pressure
1830         relative info.
1832         * passes.c (init_optimization_passes): Move
1833         pass_subregs_of_mode_init before pass_sched.
1835 2009-09-02  Martin Jambor  <mjambor@suse.cz>
1837         * tree-sra.c (struct access): New field grp_hint.
1838         (dump_access): Dump grp_hint.
1839         (sort_and_splice_var_accesses): Set grp_hint if a group is read
1840         multiple times.
1841         (analyze_access_subtree): Only scalarize accesses with grp_hint set or
1842         those which have been specifically read and somehow written to.
1843         (propagate_subacesses_accross_link): Set grp_hint of right child and
1844         also possibly of the left child.
1846 2009-09-02  Jakub Jelinek  <jakub@redhat.com>
1848         * tree-object-size.c (addr_object_size): Always use object_size_type
1849         0 or 2 when determining the pointer pointed object size.
1851 2009-09-02  Richard Guenther  <rguenther@suse.de>
1853         Revert
1854         2009-08-31  Richard Guenther  <rguenther@suse.de>
1856         * builtins.c (fold_builtin_memory_op): Use the alias oracle
1857         to query if the memory regions for memmove overlap.
1858         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Relax the
1859         asserts on pointers, instead deal with odd trees.
1860         (ptr_derefs_may_alias_p): Likewise.
1861         (refs_may_alias_p_1): Constructor bases also never alias.
1863 2009-08-01  Christian Bruel  <christian.bruel@st.com>
1865         Revert:
1866         2009-07-31  Christian Bruel  <christian.bruel@st.com>
1867         * gcc/config.gcc (sh*-*-elf): test with_libgloss.
1869 2009-09-01  Alexandre Oliva  <aoliva@redhat.com>
1871         * doc/invoke.texi (-fvar-tracking-assignments): New.
1872         (-fvar-tracking-assignments-toggle): New.
1873         (-fdump-final-insns=file): Mark filename as optional.
1874         (--param min-nondebug-insn-uid): New.
1875         (-gdwarf-@{version}): Mention version 4.
1876         * opts.c (common_handle_option): Accept it.
1877         * tree-vrp.c (find_assert_locations_1): Skip debug stmts.
1878         * regrename.c (regrename_optimize): Drop last.  Don't count debug
1879         insns as uses.  Don't reject change because of debug insn.
1880         (do_replace): Reject DEBUG_INSN as chain starter.  Take base_regno
1881         from the chain starter, and check for inexact matches in DEBUG_INSNS.
1882         (scan_rtx_reg): Accept inexact matches in DEBUG_INSNs.
1883         (build_def_use): Simplify and fix the marking of DEBUG_INSNs.
1884         * sched-ebb.c (schedule_ebbs): Skip boundary debug insns.
1885         * fwprop.c (forward_propagate_and_simplify): ...into debug insns.
1886         * doc/gimple.texi (is_gimple_debug): New.
1887         (gimple_debug_bind_p): New.
1888         (is_gimple_call, gimple_assign_cast_p): End sentence with period.
1889         * doc/install.texi (bootstrap-debug): More details.
1890         (bootstrap-debug-big, bootstrap-debug-lean): Document.
1891         (bootstrap-debug-lib): More details.
1892         (bootstrap-debug-ckovw): Update.
1893         (bootstrap-time): New.
1894         * tree-into-ssa.c (mark_def_sites): Skip debug stmts.
1895         (insert_phi_nodes_for): Insert debug stmts.
1896         (rewrite_stmt): Take iterator.  Insert debug stmts.
1897         (rewrite_enter_block): Adjust.
1898         (maybe_replace_use_in_debug_stmt): New.
1899         (rewrite_update_stmt): Use it.
1900         (mark_use_interesting): Return early for debug stmts.
1901         * tree-ssa-loop-im.c (rewrite_bittest): Propagate DEFs into debug
1902         stmts before replacing stmt.
1903         (move_computations_stmt): Likewise.
1904         * ira-conflicts.c (add_copies): Skip debug insns.
1905         * regstat.c (regstat_init_n_sets_and_refs): Discount debug insns.
1906         (regstat_bb_compute_ri): Skip debug insns.
1907         * tree-ssa-threadupdate.c (redirection_block_p): Skip debug stmts.
1908         * tree-ssa-loop-manip.c (find_uses_to_rename_stmt,
1909         check_loop_closed_ssa_stmt): Skip debug stmts.
1910         * tree-tailcall.c (find_tail_calls): Likewise.
1911         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Likewise.
1912         * tree.h (MAY_HAVE_DEBUG_STMTS): New.
1913         (build_var_debug_value_stat): Declare.
1914         (build_var_debug_value): Define.
1915         (target_for_debug_bind): Declare.
1916         * reload.c (find_equiv_reg): Skip debug insns.
1917         * rtlanal.c (reg_used_between_p): Skip debug insns.
1918         (side_effects_p): Likewise.
1919         (canonicalize_condition): Likewise.
1920         * ddg.c (create_ddg_dep_from_intra_loop_link): Check that non-debug
1921         insns never depend on debug insns.
1922         (create_ddg_dep_no_link): Likewise.
1923         (add_cross_iteration_register_deps): Use ANTI_DEP for debug insns.
1924         Don't add inter-loop dependencies for debug insns.
1925         (build_intra_loop_deps): Likewise.
1926         (create_ddg): Count debug insns.
1927         * ddg.h (struct ddg::num_debug): New.
1928         (num_backargs): Pair up with previous int field.
1929         * diagnostic.c (diagnostic_report_diagnostic): Skip notes on
1930         -fcompare-debug-second.
1931         * final.c (get_attr_length_1): Skip debug insns.
1932         (rest_of_clean-state): Don't dump CFA_RESTORE_STATE.
1933         * gcc.c (invoke_as): Call compare-debug-dump-opt.
1934         (driver_self_specs): Map -fdump-final-insns to
1935         -fdump-final-insns=..
1936         (get_local_tick): New.
1937         (compare_debug_dump_opt_spec_function): Test for . argument and
1938         compute output name.  Compute temp output spec without flag name.
1939         Compute -frandom-seed.
1940         (OPT): Undef after use.
1941         * cfgloopanal.c (num_loop_insns): Skip debug insns.
1942         (average_num_loop_insns): Likewise.
1943         * params.h (MIN_NONDEBUG_INSN_UID): New.
1944         * gimple.def (GIMPLE_DEBUG): New.
1945         * ipa-reference.c (scan_stmt_for_static_refs): Skip debug stmts.
1946         * auto-inc-dec.c (merge_in_block): Skip debug insns.
1947         (merge_in_block): Fix whitespace.
1948         * toplev.c (flag_var_tracking): Update comment.
1949         (flag_var_tracking_assignments): New.
1950         (flag_var_tracking_assignments_toggle): New.
1951         (process_options): Don't open final insns dump file if we're not
1952         going to write to it.  Compute defaults for var_tracking.
1953         * df-scan.c (df_insn_rescan_debug_internal): New.
1954         (df_uses_record): Handle debug insns.
1955         * haifa-sched.c (ready): Initialize n_debug.
1956         (contributes_to_priority): Skip debug insns.
1957         (dep_list_size): New.
1958         (priority): Use it.
1959         (rank_for_schedule): Likewise.  Schedule debug insns as soon as
1960         they're ready.  Disregard previous debug insns to make decisions.
1961         (queue_insn): Never queue debug insns.
1962         (ready_add, ready_remove_first, ready_remove): Count debug insns.
1963         (schedule_insn): Don't reject debug insns because of issue rate.
1964         (get_ebb_head_tail, no_real_insns_p): Skip boundary debug insns.
1965         (queue_to_ready): Skip and discount debug insns.
1966         (choose_ready): Let debug insns through.
1967         (schedule_block): Check boundary debug insns.  Discount debug
1968         insns, schedule them early.  Adjust whitespace.
1969         (set_priorities): Check for boundary debug insns.
1970         (add_jump_dependencies): Use dep_list_size.
1971         (prev_non_location_insn): New.
1972         (check_cfg): Use it.
1973         * tree-ssa-loop-ivopts.c (find-interesting_users): Skip debug
1974         stmts.
1975         (remove_unused_ivs): Reset debug stmts.
1976         * modulo-sched.c (const_iteration_count): Skip debug insns.
1977         (res_MII): Discount debug insns.
1978         (loop_single_full_bb_p): Skip debug insns.
1979         (sms_schedule): Likewise.
1980         (sms_schedule_by_order): Likewise.
1981         (ps_has_conflicts): Likewise.
1982         * caller-save.c (refmarker_fn): New.
1983         (save_call_clobbered_regs): Replace regs with saved mem in
1984         debug insns.
1985         (mark_referenced_regs): Take pointer, mark and arg.  Adjust.
1986         Call refmarker_fn mark for hardregnos.
1987         (mark_reg_as_referenced): New.
1988         (replace_reg_with_saved_mem): New.
1989         * ipa-pure-const.c (check_stmt): Skip debug stmts.
1990         * cse.c (cse_insn): Canonicalize debug insns.  Skip them when
1991         searching back.
1992         (cse_extended_basic_block): Skip debug insns.
1993         (count_reg_usage): Likewise.
1994         (is_dead_reg): New, split out of...
1995         (set_live_p): ... here.
1996         (insn_live_p): Use it for debug insns.
1997         * tree-stdarg.c (check_all_va_list_escapes): Skip debug stmts.
1998         (execute_optimize_stdarg): Likewise.
1999         * tree-ssa-dom.c (propagate_rhs_into_lhs): Likewise.
2000         * tree-ssa-propagate.c (substitute_and_fold): Don't regard
2001         changes in debug stmts as changes.
2002         * sel-sched.c (moving_insn_creates_bookkeeping_block_p): New.
2003         (moveup_expr): Don't move across debug insns.  Don't move
2004         debug insn if it would create a bookkeeping block.
2005         (moveup_expr_cached): Don't use cache for debug insns that
2006         are heads of blocks.
2007         (compute_av_set_inside_bb): Skip debug insns.
2008         (sel_rank_for_schedule): Schedule debug insns first.  Remove
2009         dead code.
2010         (block_valid_for_bookkeeping_p); Support lax searches.
2011         (create_block_for_bookkeeping): Adjust block numbers when
2012         encountering debug-only blocks.
2013         (find_place_for_bookkeeping): Deal with debug-only blocks.
2014         (generate_bookkeeping_insn): Accept no place to insert.
2015         (remove_temp_moveop_nops): New argument full_tidying.
2016         (prepare_place_to_insert): Deal with debug insns.
2017         (advance_state_on_fence): Debug insns don't start cycles.
2018         (update_boundaries): Take fence as argument.  Deal with
2019         debug insns.
2020         (schedule_expr_on_boundary): No full_tidying on debug insns.
2021         (fill_insns): Deal with debug insns.
2022         (track_scheduled_insns_and_blocks): Don't count debug insns.
2023         (need_nop_to_preserve_insn_bb): New, split out of...
2024         (remove_insn_from_stream): ... this.
2025         (fur_orig_expr_not_found): Skip debug insns.
2026         * rtl.def (VALUE): Move up.
2027         (DEBUG_INSN): New.
2028         * tree-ssa-sink.c (all_immediate_uses_same_place): Skip debug stmts.
2029         (nearest_common_dominator_of_uses): Take debug_stmts argument.
2030         Set it if debug stmts are found.
2031         (statement_sink_location): Skip debug stmts.  Propagate
2032         moving defs into debug stmts.
2033         * ifcvt.c (first_active_insn): Skip debug insns.
2034         (last_active_insns): Likewise.
2035         (cond_exec_process_insns): Likewise.
2036         (noce_process_if_block): Likewise.
2037         (check_cond_move_block): Likewise.
2038         (cond_move_convert_if_block): Likewise.
2039         (block_jumps_and_fallthru_p): Likewise.
2040         (dead_or_predicable): Likewise.
2041         * dwarf2out.c (debug_str_hash_forced): New.
2042         (find_AT_string): Add comment.
2043         (gen_label_for_indirect_string): New.
2044         (get_debug_string_label): New.
2045         (AT_string_form): Use it.
2046         (mem_loc_descriptor): Handle non-TLS symbols.  Handle MINUS , DIV,
2047         MOD, AND, IOR, XOR, NOT, ABS, NEG, and CONST_STRING.  Accept but
2048         discard COMPARE, IF_THEN_ELSE, ROTATE, ROTATERT, TRUNCATE and
2049         several operations that cannot be represented with DWARF opcodes.
2050         (loc_descriptor): Ignore SIGN_EXTEND and ZERO_EXTEND.  Require
2051         dwarf_version 4 for DW_OP_implicit_value and DW_OP_stack_value.
2052         (dwarf2out_var_location): Take during-call mark into account.
2053         (output_indirect_string): Update comment.  Output if there are
2054         label and references.
2055         (prune_indirect_string): New.
2056         (prune_unused_types): Call it if debug_str_hash_forced.
2057         More in dwarf2out.c, from Jakub Jelinek <jakub@redhat.com>:
2058         (dw_long_long_const): Remove.
2059         (struct dw_val_struct): Change val_long_long type to rtx.
2060         (print_die, attr_checksum, same_dw_val_p, loc_descriptor): Adjust for
2061         val_long_long change to CONST_DOUBLE rtx from a long hi/lo pair.
2062         (output_die): Likewise.  Use HOST_BITS_PER_WIDE_INT size of each
2063         component instead of HOST_BITS_PER_LONG.
2064         (output_loc_operands): Likewise.  For const8* assert
2065         HOST_BITS_PER_WIDE_INT rather than HOST_BITS_PER_LONG is >= 64.
2066         (output_loc_operands_raw): For const8* assert HOST_BITS_PER_WIDE_INT
2067         rather than HOST_BITS_PER_LONG is >= 64.
2068         (add_AT_long_long): Remove val_hi and val_lo arguments, add
2069         val_const_double.
2070         (size_of_die): Use HOST_BITS_PER_WIDE_INT size multiplier instead of
2071         HOST_BITS_PER_LONG for dw_val_class_long_long.
2072         (add_const_value_attribute): Adjust add_AT_long_long caller.  Don't
2073         handle TLS SYMBOL_REFs.  If CONST wraps a constant, tail recurse.
2074         (dwarf_stack_op_name): Handle DW_OP_implicit_value and
2075         DW_OP_stack_value.
2076         (size_of_loc_descr, output_loc_operands, output_loc_operands_raw):
2077         Handle DW_OP_implicit_value.
2078         (extract_int): Move prototype earlier.
2079         (mem_loc_descriptor): For SUBREG punt if inner
2080         mode size is wider than DWARF2_ADDR_SIZE.  Handle SIGN_EXTEND
2081         and ZERO_EXTEND by DW_OP_shl and DW_OP_shr{a,}.  Handle
2082         EQ, NE, GT, GE, LT, LE, GTU, GEU, LTU, LEU, SMIN, SMAX, UMIN,
2083         UMAX, SIGN_EXTRACT, ZERO_EXTRACT.
2084         (loc_descriptor): Compare mode size with DWARF2_ADDR_SIZE
2085         instead of Pmode size.
2086         (loc_descriptor): Add MODE argument.  Handle CONST_INT, CONST_DOUBLE,
2087         CONST_VECTOR, CONST, LABEL_REF and SYMBOL_REF if mode != VOIDmode,
2088         attempt to handle other expressions.  Don't handle TLS SYMBOL_REFs.
2089         (concat_loc_descriptor, concatn_loc_descriptor,
2090         loc_descriptor_from_tree_1): Adjust loc_descriptor callers.
2091         (add_location_or_const_value_attribute): Likewise.  For single
2092         location loc_lists attempt to use add_const_value_attribute
2093         for constant decls.  Add DW_AT_const_value even if
2094         NOTE_VAR_LOCATION is VAR_LOCATION with CONSTANT_P or CONST_STRING
2095         in its expression.
2096         * cfgbuild.c (inside_basic_block_p): Handle debug insns.
2097         (control_flow_insn_p): Likewise.
2098         * tree-parloops.c (eliminate_local_variables_stmt): Handle debug stmt.
2099         (separate_decls_in_region_debug_bind): New.
2100         (separate_decls_in_region): Process debug bind stmts afterwards.
2101         * recog.c (verify_changes): Handle debug insns.
2102         (extract_insn): Likewise.
2103         (peephole2_optimize): Skip debug insns.
2104         * dse.c (scan_insn): Skip debug insns.
2105         * sel-sched-ir.c (return_nop_to_pool): Take full_tidying argument.
2106         Pass it on.
2107         (setup_id_for_insn): Handle debug insns.
2108         (maybe_tidy_empty_bb): Adjust whitespace.
2109         (tidy_control_flow): Skip debug insns.
2110         (sel_remove_insn): Adjust for debug insns.
2111         (sel_estimate_number_of_insns): Skip debug insns.
2112         (create_insn_rtx_from_pattern): Handle debug insns.
2113         (create_copy_of_insn_rtx): Likewise.
2114         * sel-sched-.h (sel_bb_end): Declare.
2115         (sel_bb_empty_or_nop_p): New.
2116         (get_all_loop_exits): Use it.
2117         (_eligible_successor_edge_p): Likewise.
2118         (return_nop_to_pool): Adjust.
2119         * tree-eh.c (tre_empty_eh_handler_p): Skip debug stmts.
2120         * ira-lives.c (process_bb_node_lives): Skip debug insns.
2121         * gimple-pretty-print.c (dump_gimple_debug): New.
2122         (dump_gimple_stmt): Use it.
2123         (dump_bb_header): Skip gimple debug stmts.
2124         * regmove.c (optimize_reg_copy_1): Discount debug insns.
2125         (fixup_match_2): Likewise.
2126         (regmove_backward_pass): Likewise.  Simplify combined
2127         replacement.  Handle debug insns.
2128         * function.c (instantiate_virtual_regs): Handle debug insns.
2129         * function.h (struct emit_status): Add x_cur_debug_insn_uid.
2130         * print-rtl.h: Include cselib.h.
2131         (print_rtx): Print VALUEs.  Split out and recurse for VAR_LOCATIONs.
2132         * df.h (df_inns_rescan_debug_internal): Declare.
2133         * gcse.c (alloc_hash_table): Estimate n_insns.
2134         (cprop_insn): Don't regard debug insns as changes.
2135         (bypass_conditional_jumps): Skip debug insns.
2136         (one_pre_gcse_pass): Adjust.
2137         (one_code_hoisting_pass): Likewise.
2138         (compute_ld_motion_mems): Skip debug insns.
2139         (one_cprop_pass): Adjust.
2140         * tree-if-conv.c (tree_if_convert_stmt): Reset debug stmts.
2141         (if_convertible_stmt_p): Handle debug stmts.
2142         * init-regs.c (initialize_uninitialized_regs): Skip debug insns.
2143         * tree-vect-loop.c (vect_is_simple_reduction): Skip debug stmts.
2144         * ira-build.c (create_bb_allocnos): Skip debug insns.
2145         * tree-flow-inline.h (has_zero_uses): Discount debug stmts.
2146         (has_single_use): Likewise.
2147         (single_imm_use): Likewise.
2148         (num_imm_uses): Likewise.
2149         * tree-ssa-phiopt.c (empty_block_p): Skip debug stmts.
2150         * tree-ssa-coalesce.c (build_ssa_conflict_graph): Skip debug stmts.
2151         (create_outofssa_var_map): Likewise.
2152         * lower-subreg.c (adjust_decomposed_uses): New.
2153         (resolve_debug): New.
2154         (decompose_multiword_subregs): Use it.
2155         * tree-dfa.c (find_referenced_vars): Skip debug stmts.
2156         * emit-rtl.c: Include params.h.
2157         (cur_debug_insn_uid): Define.
2158         (set_new_first_and_last_insn): Set cur_debug_insn_uid too.
2159         (copy_rtx_if_shared_1): Handle debug insns.
2160         (reset_used_flags): Likewise.
2161         (set_used_flags): LIkewise.
2162         (get_max_insn_count): New.
2163         (next_nondebug_insn): New.
2164         (prev_nondebug_insn): New.
2165         (make_debug_insn_raw): New.
2166         (emit_insn_before_noloc): Handle debug insns.
2167         (emit_jump_insn_before_noloc): Likewise.
2168         (emit_call_insn_before_noloc): Likewise.
2169         (emit_debug_insn_before_noloc): New.
2170         (emit_insn_after_noloc): Handle debug insns.
2171         (emit_jump_insn_after_noloc): Likewise.
2172         (emit_call_insn_after_noloc): Likewise.
2173         (emit_debug_insn_after_noloc): Likewise.
2174         (emit_insn_after): Take loc from earlier non-debug insn.
2175         (emit_jump_insn_after): Likewise.
2176         (emit_call_insn_after): Likewise.
2177         (emit_debug_insn_after_setloc): New.
2178         (emit_debug_insn_after): New.
2179         (emit_insn_before): Take loc from later non-debug insn.
2180         (emit_jump_insn_before): Likewise.
2181         (emit_call_insn_before): Likewise.
2182         (emit_debug_insn_before_setloc): New.
2183         (emit_debug_insn_before): New.
2184         (emit_insn): Handle debug insns.
2185         (emit_debug_insn): New.
2186         (emit_jump_insn): Handle debug insns.
2187         (emit_call_insn): Likewise.
2188         (emit): Likewise.
2189         (init_emit): Take min-nondebug-insn-uid into account.
2190         Initialize cur_debug_insn_uid.
2191         (emit_copy_of_insn_after): Handle debug insns.
2192         * cfgexpand.c (gimple_assign_rhs_to_tree): Do not overwrite
2193         location of single rhs in place.
2194         (maybe_dump_rtl_for_gimple_stmt): Dump lineno.
2195         (floor_sdiv_adjust): New.
2196         (cell_sdiv_adjust): New.
2197         (cell_udiv_adjust): New.
2198         (round_sdiv_adjust): New.
2199         (round_udiv_adjust): New.
2200         (wrap_constant): Moved from cselib.
2201         (unwrap_constant): New.
2202         (expand_debug_expr): New.
2203         (expand_debug_locations): New.
2204         (expand_gimple_basic_block): Drop hiding redeclaration.  Expand
2205         debug bind stmts.
2206         (gimple_expand_cfg): Expand debug locations.
2207         * cselib.c: Include tree-pass.h.
2208         (struct expand_value_data): New.
2209         (cselib_record_sets_hook): New.
2210         (PRESERVED_VALUE_P, LONG_TERM_PRESERVED_VALUE_P): New.
2211         (cselib_clear_table): Move, and implemnet in terms of...
2212         (cselib_reset_table_with_next_value): ... this.
2213         (cselib_get_next_unknown_value): New.
2214         (discard_useless_locs): Don't discard preserved values.
2215         (cselib_preserve_value): New.
2216         (cselib_preserved_value_p): New.
2217         (cselib_preserve_definitely): New.
2218         (cselib_clear_preserve): New.
2219         (cselib_preserve_only_values): New.
2220         (new_cselib_val): Take rtx argument.  Dump it in details.
2221         (cselib_lookup_mem): Adjust.
2222         (expand_loc): Take regs_active in struct.  Adjust.  Silence
2223         dumps unless details are requested.
2224         (cselib_expand_value_rtx_cb): New.
2225         (cselib_expand_value_rtx): Rename and reimplment in terms of...
2226         (cselib_expand_value_rtx_1): ... this.  Adjust.  Silence dumps
2227         without details.  Copy more subregs.  Try to resolve values
2228         using a callback.  Wrap constants.
2229         (cselib_subst_to_values): Adjust.
2230         (cselib_log_lookup): New.
2231         (cselib_lookup): Call it.
2232         (cselib_invalidate_regno): Don't count preserved values as useless.
2233         (cselib_invalidate_mem): Likewise.
2234         (cselib_record_set): Likewise.
2235         (struct set): Renamed to cselib_set, moved to cselib.h.
2236         (cselib_record_sets): Adjust.  Call hook.
2237         (cselib_process_insn): Reset table when it would be cleared.
2238         (dump_cselib_val): New.
2239         (dump_cselib_table): New.
2240         * tree-cfgcleanup.c (tree_forwarded_block_p): Skip debug stmts.
2241         (remove_forwarder_block): Support moving debug stmts.
2242         * cselib.h (cselib_record_sets_hook): Declare.
2243         (cselib_expand_callback): New type.
2244         (cselib_expand_value_rtx_cb): Declare.
2245         (cselib_reset_table_with_next_value): Declare.
2246         (cselib_get_next_unknown_value): Declare.
2247         (cselib_preserve_value): Declare.
2248         (cselib_preserved_value_p): Declare.
2249         (cselib_preserve_only_values): Declare.
2250         (dump_cselib_table): Declare.
2251         * cfgcleanup.c (flow_find_cross_jump): Skip debug insns.
2252         (try_crossjump_to_edge): Likewise.
2253         (delete_unreachable_blocks): Remove dominant GIMPLE blocks after
2254         dominated blocks when debug stmts are present.
2255         * simplify-rtx.c (delegitimize_mem_from_attrs): New.
2256         * tree-ssa-live.c (remove_unused_locals): Skip debug stmts.
2257         (set_var_live_on_entry): Likewise.
2258         * loop-invariant.c (find_invariants_bb): Skip debug insns.
2259         * cfglayout.c (curr_location, last_location): Make static.
2260         (set_curr_insn_source_location): Don't avoid bouncing.
2261         (get_curr_insn_source_location): New.
2262         (get_curr_insn_block): New.
2263         (duplicate_insn_chain): Handle debug insns.
2264         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Propagate
2265         into debug stmts.
2266         * common.opt (fcompare-debug): Move to sort order.
2267         (fdump-unnumbered-links): Likewise.
2268         (fvar-tracking-assignments): New.
2269         (fvar-tracking-assignments-toggle): New.
2270         * tree-ssa-dce.c (mark_stmt_necessary): Don't mark blocks
2271         because of debug stmts.
2272         (mark_stmt_if_obviously_necessary): Mark debug stmts.
2273         (eliminate_unnecessary_stmts): Walk dominated blocks before
2274         dominators.
2275         * tree-ssa-ter.c (find_replaceable_in_bb): Skip debug stmts.
2276         * ira.c (memref_used_between_p): Skip debug insns.
2277         (update_equiv_regs): Likewise.
2278         * sched-deps.c (sd_lists_size): Accept empty list.
2279         (sd_init_insn): Mark debug insns.
2280         (sd_finish_insn): Unmark them.
2281         (sd_add_dep): Reject non-debug deps on debug insns.
2282         (fixup_sched_groups): Give debug insns group treatment.
2283         Skip debug insns.
2284         (sched_analyze_reg): Don't mark debug insns for sched before call.
2285         (sched_analyze_2): Handle debug insns.
2286         (sched_analyze_insn): Compute next non-debug insn.  Handle debug
2287         insns.
2288         (deps_analyze_insn): Handle debug insns.
2289         (deps_start_bb): Skip debug insns.
2290         (init_deps): Initialize last_debug_insn.
2291         * tree-ssa.c (target_for_debug_bind): New.
2292         (find_released_ssa_name): New.
2293         (propagate_var_def_into_debug_stmts): New.
2294         (propagate_defs_into_debug_stmts): New.
2295         (verify_ssa): Skip debug bind stmts without values.
2296         (warn_uninialized_vars): Skip debug stmts.
2297         * target-def.h (TARGET_DELEGITIMIZE_ADDRESS): Set default.
2298         * rtl.c (rtx_equal_p_cb): Handle VALUEs.
2299         (rtx_equal_p): Likewise.
2300         * ira-costs.c (scan_one_insn): Skip debug insns.
2301         (process_bb_node_for_hard_reg_moves): Likewise.
2302         * rtl.h (DEBUG_INSN_P): New.
2303         (NONDEBUG_INSN_P): New.
2304         (MAY_HAVE_DEBUG_INSNS): New.
2305         (INSN_P): Accept debug insns.
2306         (RTX_FRAME_RELATED_P): Likewise.
2307         (INSN_DELETED_P): Likewise
2308         (PAT_VAR_LOCATION_DECL): New.
2309         (PAT_VAR_LOCATION_LOC): New.
2310         (PAT_VAR_OCATION_STATUS): New.
2311         (NOTE_VAR_LOCATION_DECL): Reimplement.
2312         (NOTE_VAR_LOCATION_LOC): Likewise.
2313         (NOTE_VAR_LOCATION_STATUS): Likewise.
2314         (INSN_VAR_LOCATION): New.
2315         (INSN_VAR_LOCATION_DECL): New.
2316         (INSN_VAR_LOCATION_LOC): New.
2317         (INSN_VAR_LOCATION_STATUS): New.
2318         (gen_rtx_UNKNOWN_VAR_LOC): New.
2319         (VAR_LOC_UNKNOWN_P): New.
2320         (NOTE_DURING_CALL_P): New.
2321         (SCHED_GROUP_P): Accept debug insns.
2322         (emit_debug_insn_before): Declare.
2323         (emit_debug_insn_before_noloc): Declare.
2324         (emit_debug_insn_beore_setloc): Declare.
2325         (emit_debug_insn_after): Declare.
2326         (emit_debug_insn_after_noloc): Declare.
2327         (emit_debug_insn_after_setloc): Declare.
2328         (emit_debug_insn): Declare.
2329         (make_debug_insn_raw): Declare.
2330         (prev_nondebug_insn): Declare.
2331         (next_nondebug_insn): Declare.
2332         (delegitimize_mem_from_attrs): Declare.
2333         (get_max_insn_count): Declare.
2334         (wrap_constant): Declare.
2335         (unwrap_constant): Declare.
2336         (get_curr_insn_source_location): Declare.
2337         (get_curr_insn_block): Declare.
2338         * tree-inline.c (insert_debug_decl_map): New.
2339         (processing_debug_stmt): New.
2340         (remap_decl): Don't create new mappings in debug stmts.
2341         (remap_gimple_op_r): Don't add references in debug stmts.
2342         (copy_tree_body_r): Likewise.
2343         (remap_gimple_stmt): Handle debug bind stmts.
2344         (copy_bb): Skip debug stmts.
2345         (copy_edges_for_bb): Likewise.
2346         (copy_debug_stmt): New.
2347         (copy_debug_stmts): New.
2348         (copy_body): Copy debug stmts at the end.
2349         (insert_init_debug_bind): New.
2350         (insert_init_stmt): Take id.  Skip and emit debug stmts.
2351         (setup_one_parameter): Remap variable earlier, register debug mapping.
2352         (estimate_num_insns): Skip debug stmts.
2353         (expand_call_inline): Preserve debug_map.
2354         (optimize_inline_calls): Check for no debug_stmts left-overs.
2355         (unsave_expr_now): Preserve debug_map.
2356         (copy_gimple_seq_and_replace_locals): Likewise.
2357         (tree_function_versioning): Check for no debug_stmts left-overs.
2358         Init and destroy debug_map as needed.  Split edges unconditionally.
2359         (build_duplicate_type): Init and destroy debug_map as needed.
2360         * tree-inline.h: Include gimple.h instead of pointer-set.h.
2361         (struct copy_body_data): Add debug_stmts and debug_map.
2362         * sched-int.h (struct ready_list): Add n_debug.
2363         (struct deps): Add last_debug_insn.
2364         (DEBUG_INSN_SCHED_P): New.
2365         (BOUNDARY_DEBUG_INSN_P): New.
2366         (SCHEDULE_DEBUG_INSN_P): New.
2367         (sd_iterator_cond): Accept empty list.
2368         * combine.c (create_log_links): Skip debug insns.
2369         (combine_instructions): Likewise.
2370         (cleanup_auto_inc_dec): New.  From Jakub Jelinek: Make sure the
2371         return value is always unshared.
2372         (struct rtx_subst_pair): New.
2373         (auto_adjust_pair): New.
2374         (propagate_for_debug_subst): New.
2375         (propagate_for_debug): New.
2376         (try_combine): Skip debug insns.  Propagate removed defs into
2377         debug insns.
2378         (next_nonnote_nondebug_insn): New.
2379         (distribute_notes): Use it.  Skip debug insns.
2380         (distribute_links): Skip debug insns.
2381         * tree-outof-ssa.c (set_location_for_edge): Likewise.
2382         * resource.c (mark_target_live_regs): Likewise.
2383         * var-tracking.c: Include cselib.h and target.h.
2384         (enum micro_operation_type): Add MO_VAL_USE, MO_VAL_LOC, and
2385         MO_VAL_SET.
2386         (micro_operation_type_name): New.
2387         (enum emit_note_where): Add EMIT_NOTE_AFTER_CALL_INSN.
2388         (struct micro_operation_def): Update comments.
2389         (decl_or_value): New type.  Use instead of decls.
2390         (struct emit_note_data_def): Add vars.
2391         (struct attrs_def): Use decl_or_value.
2392         (struct variable_tracking_info_def): Add permp, flooded.
2393         (struct location_chain_def): Update comment.
2394         (struct variable_part_def): Use decl_or_value.
2395         (struct variable_def): Make var_part a variable length array.
2396         (valvar_pool): New.
2397         (scratch_regs): New.
2398         (cselib_hook_called): New.
2399         (dv_is_decl_p): New.
2400         (dv_is_value_p): New.
2401         (dv_as_decl): New.
2402         (dv_as_value): New.
2403         (dv_as_opaque): New.
2404         (dv_onepart_p): New.
2405         (dv_pool): New.
2406         (IS_DECL_CODE): New.
2407         (check_value_is_not_decl): New.
2408         (dv_from_decl): New.
2409         (dv_from_value): New.
2410         (dv_htab_hash): New.
2411         (variable_htab_hash): Use it.
2412         (variable_htab_eq): Support values.
2413         (variable_htab_free): Free from the right pool.
2414         (attrs_list_member, attrs_list_insert): Use decl_or_value.
2415         (attrs_list_union): Adjust.
2416         (attrs_list_mpdv_union): New.
2417         (tie_break_pointers): New.
2418         (canon_value_cmp): New.
2419         (unshare_variable): Return possibly-modified slot.
2420         (vars_copy_1): Adjust.
2421         (var_reg_decl_set): Adjust.  Split out of...
2422         (var_reg_set): ... this.
2423         (get_init_value): Adjust.
2424         (var_reg_delete_and_set): Adjust.
2425         (var_reg_delete): Adjust.
2426         (var_regno_delete): Adjust.
2427         (var_mem_decl_set): Split out of...
2428         (var_mem_set): ... this.
2429         (var_mem_delete_and_set): Adjust.
2430         (var_mem_delete): Adjust.
2431         (val_store): New.
2432         (val_reset): New.
2433         (val_resolve): New.
2434         (variable_union): Adjust.  Speed up merge of 1-part vars.
2435         (variable_canonicalize): Use unshared slot.
2436         (VALUED_RECURSED_INTO): New.
2437         (find_loc_in_1pdv): New.
2438         (struct dfset_merge): New.
2439         (insert_into_intersection): New.
2440         (intersect_loc_chains): New.
2441         (loc_cmp): New.
2442         (canonicalize_loc_order_check): New.
2443         (canonicalize_values_mark): New.
2444         (canonicalize_values_star): New.
2445         (variable_merge_over_cur): New.
2446         (variable_merge_over_src): New.
2447         (dataflow_set_merge): New.
2448         (dataflow_set_equiv_regs): New.
2449         (remove_duplicate_values): New.
2450         (struct dfset_post_merge): New.
2451         (variable_post_merge_new_vals): New.
2452         (variable_post_merge_perm_vals): New.
2453         (dataflow_post_merge_adjust): New.
2454         (find_mem_expr_in_1pdv): New.
2455         (dataflow_set_preserve_mem_locs): New.
2456         (dataflow_set_remove_mem_locs): New.
2457         (dataflow_set_clear_at_call): New.
2458         (onepart_variable_different_p): New.
2459         (variable_different_p): Use it.
2460         (dataflow_set_different_1): Adjust.  Make detailed dump more verbose.
2461         (track_expr_p): Add need_rtl parameter.  Don't generate rtl
2462         if not needed.
2463         (track_loc_p): Pass it true.
2464         (struct count_use_info): New.
2465         (find_use_val): New.
2466         (replace_expr_with_values): New.
2467         (log_op_type): New.
2468         (use_type): New, partially split out of...
2469         (count_uses): ... this.  Count new micro-ops.
2470         (count_uses_1): Adjust.
2471         (count_stores): Adjust.
2472         (count_with_sets): New.
2473         (VAL_NEEDS_RESOLUTION): New.
2474         (VAL_HOLDS_TRACK_EXPR): New.
2475         (VAL_EXPR_IS_COPIED): New.
2476         (VAL_EXPR_IS_CLOBBERED): New.
2477         (add_uses): Adjust.  Generate new micro-ops.
2478         (add_uses_1): Adjust.
2479         (add_stores): Generate new micro-ops.
2480         (add_with_sets): New.
2481         (find_src_status): Adjust.
2482         (find_src_set_src): Adjust.
2483         (compute_bb_dataflow): Use dataflow_set_clear_at_call.
2484         Handle new micro-ops.  Canonicalize value equivalances.
2485         (vt_find_locations): Compute total size of hash tables for
2486         dumping.  Perform merge for var-tracking-assignments.  Don't
2487         disregard single-block loops.
2488         (dump_attrs_list): Handle decl_or_value.
2489         (dump_variable): Take variable.  Deal with decl_or_value.
2490         (dump_variable_slot): New.
2491         (dump_vars): Use it.
2492         (dump_dataflow_sets): Adjust.
2493         (set_slot_part): New, extended to support one-part variables
2494         after splitting out of...
2495         (set_variable_part): ... this.
2496         (clobber_slot_part): New, split out of...
2497         (clobber_variable_part): ... this.
2498         (delete_slot_part): New, split out of...
2499         (delete_variable_part): .... this.
2500         (check_wrap_constant): New.
2501         (vt_expand_loc_callback): New.
2502         (vt_expand_loc): New.
2503         (emit_note_insn_var_location): Adjust.  Handle values.  Handle
2504         EMIT_NOTE_AFTER_CALL_INSN.
2505         (emit_notes_for_differences_1): Adjust.  Handle values.
2506         (emit_notes_for_differences_2): Likewise.
2507         (emit_notes_for_differences): Adjust.
2508         (emit_notes_in_bb): Take pointer to set.  Emit AFTER_CALL_INSN notes.
2509         Adjust.  Handle new micro-ops.
2510         (vt_add_function_parameters): Adjust.  Create and bind values.
2511         (vt_initialize): Adjust.  Initialize scratch_regs and
2512         valvar_pool, flooded and perm..  Initialize and use cselib.  Log
2513         operations.  Move some code to count_with_sets and add_with_sets.
2514         (delete_debug_insns): New.
2515         (vt_debug_insns_local): New.
2516         (vt_finalize): Release permp, valvar_pool, scratch_regs.  Finish
2517         cselib.
2518         (var_tracking_main): If var-tracking-assignments is enabled
2519         but var-tracking isn't, delete debug insns and leave.  Likewise
2520         if we exceed limits or fail the stack adjustments tests, and
2521         after all var-tracking processing.
2522         More in var-tracking, from Jakub Jelinek <jakub@redhat.com>:
2523         (dataflow_set): Add traversed_vars.
2524         (value_chain, const_value_chain): New typedefs.
2525         (value_chain_pool, value_chains): New variables.
2526         (value_chain_htab_hash, value_chain_htab_eq, add_value_chain,
2527         add_value_chains, add_cselib_value_chains, remove_value_chain,
2528         remove_value_chains, remove_cselib_value_chains): New functions.
2529         (shared_hash_find_slot_unshare_1, shared_hash_find_slot_1,
2530         shared_hash_find_slot_noinsert_1, shared_hash_find_1): New
2531         static inlines.
2532         (shared_hash_find_slot_unshare, shared_hash_find_slot,
2533         shared_hash_find_slot_noinsert, shared_hash_find): Update.
2534         (dst_can_be_shared): New variable.
2535         (unshare_variable): Unshare set->vars if shared, use shared_hash_*.
2536         Clear dst_can_be_shared.  If set->traversed_vars is non-NULL and
2537         different from set->vars, look up slot again instead of using the
2538         passed in slot.
2539         (dataflow_set_init): Initialize traversed_vars.
2540         (variable_union): Use shared_hash_*.  Use initially NO_INSERT
2541         lookup if set->vars is shared.  Don't keep slot cleared before
2542         calling unshare_variable.  Unshare set->vars if needed.  Adjust
2543         unshare_variable callers.  Clear dst_can_be_shared if needed.
2544         Even ->refcount == 1 vars must be unshared if set->vars is shared
2545         and var needs to be modified.
2546         (dataflow_set_union): Set traversed_vars during canonicalization.
2547         (VALUE_CHANGED, DECL_CHANGED): Define.
2548         (set_dv_changed, dv_changed_p): New static inlines.
2549         (track_expr_p): Clear DECL_CHANGED.
2550         (dump_dataflow_sets): Set it.
2551         (variable_was_changed): Call set_dv_changed.
2552         (emit_note_insn_var_location): Likewise.
2553         (changed_variables_stack): New variable.
2554         (check_changed_vars_1, check_changed_vars_2): New functions.
2555         (emit_notes_for_changes): Do nothing if changed_variables is
2556         empty.  Traverse changed_variables with check_changed_vars_1,
2557         call check_changed_vars_2 on each changed_variables_stack entry.
2558         (emit_notes_in_bb): Add SET argument.  Just clear it at the
2559         beginning, use it instead of local &set, don't destroy it at the end.
2560         (vt_emit_notes): Call dataflow_set_clear early on all
2561         VTI(bb)->out sets, never use them, instead use emit_notes_in_bb
2562         computed set, dataflow_set_clear also VTI(bb)->in when we are
2563         done with the basic block.  Initialize changed_variables_stack,
2564         free it afterwards.  If ENABLE_CHECKING verify that after noting
2565         differences to an empty set value_chains hash table is empty.
2566         (vt_initialize): Initialize value_chains and value_chain_pool.
2567         (vt_finalize): Delete value_chains htab, free value_chain_pool.
2568         (variable_tracking_main): Call dump_dataflow_sets before calling
2569         vt_emit_notes, not after it.
2570         * tree-flow.h (propagate_defs_into_debug_stmts): Declare.
2571         (propagate_var_def_into_debug_stmts): Declare.
2572         * df-problems.c (df_lr_bb_local_compute): Skip debug insns.
2573         (df_set_note): Reject debug insns.
2574         (df_whole_mw_reg_dead_p): Take added_notes_p argument.  Don't
2575         add notes to debug insns.
2576         (df_note_bb_compute): Adjust.  Likewise.
2577         (df_simulate_uses): Skip debug insns.
2578         (df_simulate_initialize_backwards): Likewise.
2579         * reg-stack.c (subst_stack_regs_in_debug_insn): New.
2580         (subst_stack_regs_pat): Reject debug insns.
2581         (convert_regs_1): Handle debug insns.
2582         * Makefile.in (TREE_INLINE_H): Take pointer-set.h from GIMPLE_H.
2583         (print-rtl.o): Depend on cselib.h.
2584         (cselib.o): Depend on TREE_PASS_H.
2585         (var-tracking.o): Depend on cselib.h and TARGET_H.
2586         * sched-rgn.c (rgn_estimate_number_of_insns): Discount debug insns.
2587         (init_ready_list): Skip boundary debug insns.
2588         (add_branch_dependences): Skip debug insns.
2589         (free_block_dependencies): Check for blocks with only debug insns.
2590         (compute_priorities): Likewise.
2591         * gimple.c (gss_for_code): Handle GIMPLE_DEBUG.
2592         (gimple_build_with_ops_stat): Take subcode as unsigned.  Adjust
2593         all callers.
2594         (gimple_build_debug_bind_stat): New.
2595         (empty_body_p): Skip debug stmts.
2596         (gimple_has_side_effects): Likewise.
2597         (gimple_rhs_has_side_effects): Likewise.
2598         * gimple.h (enum gimple_debug_subcode, GIMPLE_DEBUG_BIND): New.
2599         (gimple_build_debug_bind_stat): Declare.
2600         (gimple_build_debug_bind): Define.
2601         (is_gimple_debug): New.
2602         (gimple_debug_bind_p): New.
2603         (gimple_debug_bind_get_var): New.
2604         (gimple_debug_bind_get_value): New.
2605         (gimple_debug_bind_get_value_ptr): New.
2606         (gimple_debug_bind_set_var): New.
2607         (gimple_debug_bind_set_value): New.
2608         (GIMPLE_DEBUG_BIND_NOVALUE): New internal temporary macro.
2609         (gimple_debug_bind_reset_value): New.
2610         (gimple_debug_bind_has_value_p): New.
2611         (gsi_next_nondebug): New.
2612         (gsi_prev_nondebug): New.
2613         (gsi_start_nondebug_bb): New.
2614         (gsi_last_nondebug_bb): New.
2615         * sched-vis.c (print_pattern): Handle VAR_LOCATION.
2616         (print_insn): Handle DEBUG_INSN.
2617         * tree-cfg.c (remove_bb): Walk stmts backwards.  Let loc
2618         of first insn prevail.
2619         (first_stmt): Skip debug stmts.
2620         (first_non_label_stmt): Likewise.
2621         (last_stmt): Likewise.
2622         (has_zero_uses_1): New.
2623         (single_imm_use_1): New.
2624         (verify_gimple_debug): New.
2625         (verify_types_in_gimple_stmt): Handle debug stmts.
2626         (verify_stmt): Likewise.
2627         (debug_loop_num): Skip debug stmts.
2628         (remove_edge_and_dominated_blocks): Remove dominators last.
2629         * tree-ssa-reasssoc.c (rewrite_expr_tree): Propagate into debug stmts.
2630         (linearize_expr): Likewise.
2631         * config/i386/i386.c (ix86_delegitimize_address): Call
2632         default implementation.
2633         * config/ia64/ia64.c (ia64_safe_itanium_class): Handle debug insns.
2634         (group_barrier_needed): Skip debug insns.
2635         (emit_insn_group_barriers): Likewise.
2636         (emit_all_insn_group_barriers): Likewise.
2637         (ia64_variable_issue): Handle debug insns.
2638         (ia64_dfa_new_cycle): Likewise.
2639         (final_emit_insn_group_barriers): Skip debug insns.
2640         (ia64_dwarf2out_def_steady_cfa): Take frame argument.  Don't
2641         def cfa without frame.
2642         (process_set): Likewise.
2643         (process_for_unwind_directive): Pass frame on.
2644         * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
2645         (rs6000_delegitimize_address): New.
2646         (rs6000_debug_adjust_cost): Handle debug insns.
2647         (is_microcoded_insn): Likewise.
2648         (is_cracked_insn): Likewise.
2649         (is_nonpipeline_insn): Likewise.
2650         (insn_must_be_first_in_group): Likewise.
2651         (insn_must_be_last_in_group): Likewise.
2652         (force_new_group): Likewise.
2653         * cfgrtl.c (rtl_split_block): Emit INSN_DELETED note if block
2654         contains only debug insns.
2655         (rtl_merge_blocks): Skip debug insns.
2656         (purge_dead_edges): Likewise.
2657         (rtl_block_ends_with_call_p): Skip debug insns.
2658         * dce.c (deletable_insn_p): Handle VAR_LOCATION.
2659         (mark_reg_dependencies): Skip debug insns.
2660         * params.def (PARAM_MIN_NONDEBUG_INSN_UID): New.
2661         * tree-ssanames.c (release_ssa_name): Propagate def into debug stmts.
2662         * tree-ssa-threadedge.c
2663         (record_temporary_equivalences_from_stmts): Skip debug stmts.
2664         * regcprop.c (replace_oldest_value_addr): Skip debug insns.
2665         (replace_oldest_value_mem): Use ALL_REGS for debug insns.
2666         (copyprop_hardreg_forward_1): Handle debug insns.
2667         * reload1.c (reload): Skip debug insns.  Replace unassigned
2668         pseudos in debug insns with their equivalences.
2669         (eliminate_regs_in_insn): Skip debug insns.
2670         (emit_input_reload_insns): Skip debug insns at first, adjust
2671         them later.
2672         * tree-ssa-operands.c (add_virtual_operand): Reject debug stmts.
2673         (get_indirect_ref_operands): Pass opf_no_vops on.
2674         (get_expr_operands): Likewise.  Skip debug stmts.
2675         (parse_ssa_operands): Scan debug insns with opf_no_vops.
2677 2009-09-01  Richard Henderson  <rth@redhat.com>
2679         * tree-ssa-ccp.c (ccp_initialize): Make sure to simulate
2680         stmt_ends_pp_p statements at least once.
2681         * tree-vrp.c (vrp_initialize): Likewise.
2682         (vrp_visit_stmt): Be prepared for non-interesting stmts.
2684 2009-09-01  Dodji Seketeli  <dodji@redhat.com>
2686         PR bootstrap/41205
2687         Fix AIX bootstrap after PR debug/30161
2688         * dwarf2out.c (make_ith_pack_parameter_name): Don't used strnlen
2689         that is a GNU extension.
2690         (tmpl_value_parm_die_table): Move the definition of this global
2691         outside #ifdef DWARF2_DEBUGGING_INFO region.
2693 2009-09-01  Richard Guenther  <rguenther@suse.de>
2695         * tree.c (tree_expr_size): New function.
2696         * tree.h (tree_expr_size): Declare.
2697         * rtlanal.c (rtx_addr_can_trap_p_1): Adjust comment.
2698         * builtins.c (fold_builtin_memory_op): Use tree_expr_size.
2699         * langhooks.c (lhd_expr_size): Remove.
2700         * langhooks.h (struct lang_hooks): Remove expr_size.
2701         * explow.c (expr_size): Use tree_expr_size.
2702         (int_expr_size): Likewise.
2703         * langhooks-def.h (lhd_expr_size): Remove.
2704         (LANG_HOOKS_EXPR_SIZE): Likewise.
2705         (LANG_HOOKS_INITIALIZER): Adjust.
2707 2009-09-01  Richard Guenther  <rguenther@suse.de>
2709         * tree-flow.h (mark_addressable): Move declaration ...
2710         * tree.h (mark_addressable): ... here.
2711         * stmt.c (expand_asm_operands): Use mark_addressable, not
2712         lang_hooks.mark_addressable.
2713         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
2714         LANG_HOOKS_MARK_ADDRESSABLE.
2715         * langhooks.h (struct lang_hooks): Remove mark_addressable langhook.
2716         * c-objc-common.h (LANG_HOOKS_MARK_ADDRESSABLE): Remove.
2718 2009-08-31  Chris Demetriou  <cgd@google.com>
2720         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Never
2721         vectorize if not TARGET_SSE2.
2723 2009-08-31  DJ Delorie  <dj@redhat.com>
2725         * config/mep/mep.h (FUNCTION_ARG_REGNO_P): Exclude coprocessor
2726         registers if no coprocessor is enabled.
2728 2009-08-31  Dodji Seketeli  <dodji@redhat.com>
2730         PR debug/30161
2731         * cgraph.h (cgraph_get_node): Declare ...
2732         * cgraph.c (cgraph_get_node): ... new function.
2733         * dwarf2out.c (gen_generic_params_dies,
2734         generic_parameter_die, tree_add_const_value_attribute_for_decl,
2735         make_ith_pack_parameter_name,
2736         append_entry_to_tmpl_value_parm_die_table,
2737         gen_remaining_tmpl_value_param_die_attribute): New functions.
2738         (gen_subprogram_die): Generate debug info for template parameters
2739         if debug info level is higher than DINFO_LEVEL_TERSE.
2740         Use tree_add_const_value_attribute_for_decl instead of
2741         tree_add_const_value_attribute.
2742         (gen_const_die): Use tree_add_const_value_attribute_for_decl
2743         instead of tree_add_const_value_attribute.
2744         (gen_struct_or_union_type_die): Generate debug
2745         info for template parameters if debug info level is higher than
2746         DINFO_LEVEL_TERSE.
2747         (tree_add_const_value_attribute): Handle integral and pointer
2748         constants. Update comment.
2749         (dwarf_tag_name): Support DW_TAG_GNU_template_template_param.
2750         (dwarf_attr_name): Support DW_AT_GNU_template_name.
2751         (reference_to_unused): Fix thinko. Remove redundant predicates from
2752         tests.
2753         (tree_add_const_value_attribute): Make this work for constant
2754         expressions only.
2755         tree_add_const_value_attribute_for_decl is to be used for variable
2756         DECLs now.
2757         (add_location_or_const_value_attribute): Use
2758         tree_add_const_value_attribute_for_decl now.
2759         (dwarf2out_finish): Emit the DW_AT_const_value attribute of
2760         DW_TAG_template_value_param DIEs after function DIEs have been
2761         emitted.
2762         * langhooks.h (lang_hooks_for_types): Add
2763         get_argument_pack_elems.
2764         (lang_hooks_for_decls): Add generic_generic_parameter_decl_p.
2765         (lang_hooks): Added get_innermost_generic_parms,
2766         get_innermost_generic_args.
2767         * langhooks-def.h (LANG_HOOKS_GET_INNERMOST_GENERIC_PARMS,
2768         LANG_HOOKS_GET_INNERMOST_GENERIC_ARGS,
2769         LANG_HOOKS_GET_ARGUMENT_PACK_ELEMS,
2770         LANG_HOOKS_GENERIC_GENERIC_PARAMETER_DECL_P): New language hooks.
2772 2009-08-31  DJ Delorie  <dj@redhat.com>
2774         * config/mep/mep.c (machine_function): Add frame_locked flag.  Set
2775         it once we start generating the prologue or epilogue.
2776         (mep_call_saves_register): If the frame is locked, re-use
2777         cached values.
2778         (mep_assign_save_slots): New, broken out from mep_expand_prologue.
2779         (mep_expand_prologue): Call it.
2780         (mep_expand_epilogue): Likewise.
2781         (mep_start_function): Use the same logic as mep_expand_prologue.
2782         (mep_pass_by_reference): Make logic more readable.
2783         (mep_return_in_memory): Zero-sized objects are passed in memory.
2784         (mep_reorg_noframe): Make sure we have accurate REG_DEAD notes.
2786 2009-08-31  Richard Guenther  <rguenther@suse.de>
2788         * builtins.c (fold_builtin_memory_op): Use the alias oracle
2789         to query if the memory regions for memmove overlap.
2790         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Relax the
2791         asserts on pointers, instead deal with odd trees.
2792         (ptr_derefs_may_alias_p): Likewise.
2793         (refs_may_alias_p_1): Constructor bases also never alias.
2795 2009-08-31  Gerald Pfeifer  <gerald@pfeifer.com>
2797         * doc/install.texi (Final install): Adjust reference on where to
2798         order printed manuals.
2800 2009-08-30  Olivier Hainque  <hainque@adacore.com>
2802         * dwarf2out.c (switch_to_frame_table_section): Move
2803         definition prior to first use.
2805 2009-08-30  Richard Guenther  <rguenther@suse.de>
2807         PR tree-optimization/41186
2808         * tree-ssa-alias.c (ptr_deref_may_alias_ref_p): Remove.
2809         (ao_ref_init_from_ptr_and_size): New function.
2810         (ref_maybe_used_by_call_p_1): Be more precise tracking
2811         used ranges for builtin functions.
2812         (ref_maybe_used_by_call_p): Adjust.
2813         (call_may_clobber_ref_p_1): Be more precise tracking clobbered
2814         ranges for builtin functions.
2815         * tree-ssa-alias.h (ao_ref_init_from_ptr_and_size): Declare.
2817 2009-08-30  Alan Modra  <amodra@bigpond.net.au>
2819         PR target/41081
2820         * fwprop.c (get_reg_use_in): Delete.
2821         (free_load_extend): New function.
2822         (forward_propagate_subreg): Use it.
2824 2009-08-29  Kaz Kojima  <kkojima@gcc.gnu.org>
2826         * config.gcc (sh*-*-elf): Add superh stuff only for sh*-superh-elf.
2828 2009-08-29  Kai Tietz<kai.tietz@onevision.com>
2830         PR/41184
2831         * config/i386.c (ix86_expand_epilogue): Correct stack adjustment for
2832         padding.
2834 2009-08-29  Douglas B Rupp  <rupp@gnat.com>
2836         * crtstuff.c (__do_global_dtors_aux): Use atexit if no
2837         fini or fini_array section.
2839 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
2841         * graphite-dependences.c (graphite_legal_transform_bb): Call
2842         pbb_remove_duplicate_pdrs.
2843         * graphite-poly.c (can_collapse_pdr): Removed.
2844         (pdr_find_duplicate): Removed.
2845         (can_collapse_pdrs): New.
2846         (pbb_remove_duplicate_pdrs): New.
2847         (new_poly_dr): Do not look for duplicates.
2848         * graphite-poly.h (struct poly_bb): New field pdr_duplicates_removed.
2849         (PBB_PDR_DUPLICATES_REMOVED): New.
2850         (pbb_remove_duplicate_pdrs): Declared.
2852 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
2854         * graphite-interchange.c (pbb_interchange_profitable_p): Adjust
2855         the strides by multiplying by PDR_NB_REFS.
2856         * graphite-poly.c (can_collapse_pdr): New.
2857         (pdr_find_duplicate): New.
2858         (new_poly_dr): Call pdr_find_duplicate.  Collapse duplicate PDRs.
2859         Initialize PDR_NB_REFS.
2860         * graphite-poly.h (struct poly_dr): Add field nb_refs.
2861         (PDR_NB_REFS): New.
2862         (new_poly_dr): Number of subscripts is a graphite_dim_t.
2864 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
2866         PR middle-end/40965
2867         * graphite-poly.c (apply_poly_transforms): Remove legality test before
2868         any transform.
2870 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
2872         * graphite-dependences.c (pddr_original_scattering): Return NULL
2873         for read-read dependence relations.
2874         * graphite-poly.h (enum poly_dr_type): Fix comment.
2875         (pdr_read_p): New.
2876         (pdr_write_p): New.
2877         (pdr_may_write_p): New.
2879 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
2881         * graphite-poly.h (enum POLY_DR_TYPE): Renamed poly_dr_type.
2882         (struct poly_dr): Same.
2883         (new_poly_dr): Same.
2884         * graphite-poly.c (new_poly_dr): Same.
2885         * graphite-dependences.c (dot_deps): Disable call to system.
2887 2009-08-28  Cary Coutant  <ccoutant@google.com>
2889         PR debug/41063
2890         * dwarf2out.c (gen_type_die_with_usage): Use proper context for
2891         struct/union/enum types local to a function.
2893 2009-08-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2894             Sebastian Pop  <sebastian.pop@amd.com>
2896         * graphite-blocking.c (pbb_strip_mine_loop_depth): Renamed
2897         pbb_strip_mine_time_depth.  Changed the implementation so that
2898         transformation is expressed as a transformation on
2899         time (scatttering) dimensions.  Also, ensures that the 2d+1
2900         scheduling format is preserved.
2901         (pbb_strip_mine_profitable_p): Profitability is based on the
2902         iteration number of a given time (scattering) dimension,
2903         and not on a original loop depth dimension.
2904         (pbb_strip_mine): Call pbb_number_of_iterations_at_time.
2905         (pbb_do_strip_mine): Call psct_dynamic_dim.
2906         * graphite-poly.c (pbb_number_of_iterations_at_time): New.
2907         * graphite-poly.h (pbb_number_of_iterations_at_time): Declared.
2908         (pbb_nb_dynamic_scattering_transform): New.
2909         (psct_dynamic_dim): New.
2911 2009-08-28  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
2913         * graphite-ppl.c (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
2914         * graphite-ppl.h (ppl_max_for_le): Renamed ppl_max_for_le_pointset.
2915         * graphite-poly.c (pbb_number_of_iterations): Rename ppl_max_for_le.
2916         * graphite-interchange.c (build_linearized_memory_access): Same.
2917         (memory_stride_in_loop): Same.
2919 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
2921         * graphite-dependences.c (pddr_original_scattering): New.
2922         (graphite_legal_transform_dr): Call pddr_original_scattering.
2923         (dot_deps_1): New.
2924         (dot_deps): New.
2925         * graphite-dependences.h (dot_deps): Declared.
2926         * graphite-poly.c (new_poly_dr): Initialize PDR_ID.
2927         (print_pdr): Print PDR_ID.
2928         * graphite-poly.h (struct poly_dr): Add field id.
2929         (PDR_ID): New.
2930         (pbb_index): New.
2931         * graphite-scop-detection.c (dot_all_scops_1): Cleanup comment.
2933 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
2935         * graphite-dependences.c (graphite_carried_dependence_level_k): Do
2936         not delete the original dependence relation.
2938 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
2940         * graphite-dependences.c (new_poly_dr_pair): Renamed new_poly_ddr.
2941         (eq_poly_dr_pair_p): Renamed eq_poly_ddr_p.
2942         (hash_poly_dr_pair_p): Renamed hash_poly_ddr_p.
2943         (free_poly_ddr): New.
2944         (pddr_is_empty): New.
2945         (dependence_polyhedron_1): Now returns a poly_ddr_p.
2946         (dependence_polyhedron): Same.  Remove useless gcc_assert.
2947         Remove fprintfs.
2948         (graphite_legal_transform_dr): Call pddr_is_empty and free_poly_ddr.
2949         (graphite_carried_dependence_level_k): Call pddr_is_empty.
2950         * graphite-dependences.h (enum poly_dependence_kind): New.
2951         (poly_dr_pair): Renamed poly_ddr.  Added a field kind.
2952         (PDRP_SOURCE): Renamed PDDR_SOURCE.
2953         (PDRP_SINK): Renamed PDDR_SINK.
2954         (PDRP_DDP): Renamed PDDR_DDP.
2955         (PDDR_KIND): New.
2956         (free_poly_ddr): Declared.
2957         * graphite-poly.c (new_scop): Use the new hash function names.
2958         * graphite-poly.h (struct scop): Renamed field original_pdr_pairs
2959         into original_pddrs.
2960         (SCOP_ORIGINAL_PDR_PAIRS): Renamed SCOP_ORIGINAL_PDDRS.
2962 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
2964         * cfgloopmanip.c (create_empty_loop_on_edge): Generate upper
2965         bounds with LT_EXPR to make niter analysis more precise on code
2966         generated by Graphite.
2968 2009-08-28  Sebastian Pop  <sebastian.pop@amd.com>
2970         * graphite-dependences.c (graphite_legal_transform_dr): Fix formatting.
2971         (graphite_legal_transform_bb): Same.
2972         (poly_drs_may_alias_p): Same.
2974 2009-08-28  Richard Guenther  <rguenther@suse.de>
2976         * tree.def: Remove note about obsolete TYPE_NONCOPIED_PARTS.
2978 2009-08-28  Jan Beulich  <jbeulich@novell.com>
2980         * config/i386/netware.c: Include langhooks.h.
2981         (i386_nlm_encode_section_info): Simplify.
2982         (netware_override_options): Delete.
2983         * config/i386/netware.h (netware_override_options): Delete
2984         declaration.
2985         (OVERRIDE_OPTIONS): Delete definition.
2986         (SUBTARGET_OVERRIDE_OPTIONS): Define.
2987         (ASM_COMMENT_START): Define.
2988         * config/i386/nwld.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Define.
2990 2009-08-28  Jan Beulich  <jbeulich@novell.com>
2992         * configure.ac: For in-tree ld, do a plain version check to
2993         determine whether comdat groups are supported.
2994         * configure: Regenerate.
2996 2009-08-28  Olivier Hainque  <hainque@adacore.com>
2998         * collect2.c (DO_COLLECT_EXPORT_LIST): New internal macro,
2999         always defined.  Reflect definition or absence of such for
3000         COLLECT_EXPORT_LIST.  Readability helper.
3001         (scanfilter): New enum, to help control what symbols
3002         are to be considered or ignored by scan_prog_file.
3003         (enum pass): Rename as "scanpass", moved together with scanfilter
3004         prior to scan_prog_file's prototype.
3005         (scan_prog_file): Accept and honor scanpass and scanfilter arguments.
3006         Group prototype with the scanpass/scanfilter definitions, factorize
3007         head comments for the several implementations at the prototype.
3008         (main): Reorganize the first pass link control to let AIX
3009         drag only the needed frame tables in executables.  Prevent
3010         frame tables collection during the scan aimed at static ctors.
3011         Pre-link and scan for frame tables later to compensate.
3012         * doc/tm.texi (ASM_OUTPUT_DWARF_TABLE_REF): New macro.
3013         A C statement to issue assembly directives that create a reference
3014         to the given DWARF table identifier label from the current function
3015         section.
3016         * dwarf2out.c (switch_to_eh_frame_section): Add a BACK argument
3017         to differentiate first time section entry.  Only emit a .data
3018         tables start identifier label the first time around.
3019         (switch_to_frame_table_section): New function.  Helper for
3020         output_call_frame_info to switch possibly BACK into the eh_frame
3021         or the debug_frame section depending on FOR_EH.
3022         (output_call_frame_info): Use helper to first enter the proper
3023         frame section.
3024         (output_fde): Use ASM_OUTPUT_DWARF_TABLE_REF when defined to
3025         emit a link to the frame table start label from each function
3026         section.
3027         * config/rs6000/rs6000.c (rs6000_aix_asm_output_dwarf_table_ref):
3028         New function.  Implementation of ASM_OUTPUT_DWARF_TABLE_REF.
3029         * config/rs6000/rs6000-protos.h: Declare it.
3030         * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Define.
3032 2009-08-27  Kaz Kojima  <kkojima@gcc.gnu.org>
3034         * config/sh/sh.c (split_branches): Check the result of
3035         next_active_insn.
3037 2009-08-27  Steve Ellcey  <sje@cup.hp.com>
3039         * config/ia64/hpux.h (LIB_SPEC): Add -lrt for when
3040         using -pthread -fopenmp
3042 2009-08-27  Gerald Pfeifer  <gerald@pfeifer.com>
3044         * doc/service.texi (service directory): Update URL.
3046 2009-08-27  Uros Bizjak  <ubizjak@gmail.com>
3048         PR rtl-optimization/40861
3049         * simplify-rtx.c (simplify_subreg): Do not call simplify_gen_subreg to
3050         extract word from a multi-word subreg for negative byte positions.
3052 2009-08-27  Tristan Gingold  <gingold@adacore.com>
3053             Douglas B Rupp  <rupp@gnat.com>
3055         * config/ia64/ia64.c (ia64_attribute_table): Add "common_object" entry.
3056         (SECTION_VMS_OVERLAY): Define.
3057         (ia64_vms_common_object_attribute): Added.  Handle the "common_object"
3058         attribute.
3059         (ia64_vms_elf_asm_named_section): Added.  Generate .section pseudo-op
3060         for common_object.
3061         (ia64_vms_output_aligned_decl_common): Added.  Generate pseudo-op for
3062         common_object declarations.
3063         (ia64_section_type_flags): Set section flag for common_object.
3064         * config/ia64/ia64-protos.h
3065         (ia64_vms_output_aligned_decl_common): Declare.
3066         (ia64_vms_elf_asm_named_section): Declare.
3068 2009-08-27  Michael Matz  <matz@suse.de>
3070         * expr.c (expand_expr_real_2): New function taking exploded
3071         unary or binary expression, split out from ...
3072         (expand_expr_real_1): ... here.  Move over all unary/binary
3073         switch parts to above function, in particular these codes:
3074         PAREN_EXPR, NOP_EXPR, CONVERT_EXPR, POINTER_PLUS_EXPR, PLUS_EXPR,
3075         MINUS_EXPR, MULT_EXPR, TRUNC_DIV_EXPR, FLOOR_DIV_EXPR, CEIL_DIV_EXPR,
3076         ROUND_DIV_EXPR, EXACT_DIV_EXPR, RDIV_EXPR, TRUNC_MOD_EXPR,
3077         FLOOR_MOD_EXPR, CEIL_MOD_EXPR, ROUND_MOD_EXPR, FIXED_CONVERT_EXPR,
3078         FIX_TRUNC_EXPR, FLOAT_EXPR, NEGATE_EXPR, ABS_EXPR, MAX_EXPR, MIN_EXPR,
3079         BIT_NOT_EXPR, TRUTH_AND_EXPR, BIT_AND_EXPR, TRUTH_OR_EXPR,
3080         BIT_IOR_EXPR, TRUTH_XOR_EXPR, BIT_XOR_EXPR, LROTATE_EXPR, RROTATE_EXPR,
3081         LSHIFT_EXPR, RSHIFT_EXPR, LT_EXPR, LE_EXPR, GT_EXPR, GE_EXPR, EQ_EXPR,
3082         NE_EXPR, UNORDERED_EXPR, ORDERED_EXPR, UNLT_EXPR, UNLE_EXPR, UNGT_EXPR,
3083         UNGE_EXPR, UNEQ_EXPR, LTGT_EXPR, TRUTH_NOT_EXPR, COMPLEX_EXPR,
3084         WIDEN_SUM_EXPR, REDUC_MAX_EXPR, REDUC_MIN_EXPR, REDUC_PLUS_EXPR,
3085         VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR, VEC_INTERLEAVE_HIGH_EXPR,
3086         VEC_INTERLEAVE_LOW_EXPR, VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR,
3087         VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR, VEC_UNPACK_FLOAT_HI_EXPR,
3088         VEC_UNPACK_FLOAT_LO_EXPR, VEC_WIDEN_MULT_HI_EXPR,
3089         VEC_WIDEN_MULT_LO_EXPR, VEC_PACK_TRUNC_EXPR, VEC_PACK_SAT_EXPR,
3090         VEC_PACK_FIX_TRUNC_EXPR.
3091         (<case PAREN_EXPR>): Call set_mem_attributes() with type, not the
3092         full expression.
3094 2009-08-27  Richard Guenther  <rguenther@suse.de>
3096         * gengtype.c (main): Handle uint64_t.
3097         * ipa-utils.c (get_base_var): Indent properly.
3098         * tree-ssa-live.c (debug_scope_block): New function.
3099         * tree-flow.h (debug_scope_block): Declare.
3100         * tree-ssa-copy.c (replace_exp_1): Add vertical space.
3101         * basic-block.h (enum profile_status): Rename to
3102         enum profile_status_d.
3103         (x_profile_status): Adjust type.
3105 2009-08-27  Dodji Seketeli  <dodji@redhat.com>
3107         PR debug/41170
3108         * dwarf2out.c (get_context_die): Declare this static function.
3109         (gen_type_die_with_usage): Make sure a DIE is a generated for
3110         the context of a typedef.
3112 2009-08-26  Anatoly Sokolov  <aesok@post.ru>
3114         * doc/invoke.texi (AVR Options): Remove documentation of -minit-stack
3115         switch.
3117 2009-08-26  Richard Sandiford  <rdsandiford@googlemail.com>
3119         * config/mips/mips-protos.h (mips_output_sync): Declare.
3120         (mips_sync_loop_insns): Likewise.
3121         (mips_output_sync_loop): Replace first two parameters with an rtx.
3122         * config/mips/mips.c (mips_multi_member): New structure.
3123         (mips_multi_members): New variable.
3124         (mips_multi_start): New function.
3125         (mips_multi_add): Likewise.
3126         (mips_multi_add_insn): Likewise.
3127         (mips_multi_add_label): Likewise.
3128         (mips_multi_last_index): Likewise.
3129         (mips_multi_copy_insn): Likewise.
3130         (mips_multi_set_operand): Likewise.
3131         (mips_multi_write): Likewise.
3132         (mips_print_operand_punctuation): Remove '%|' and '%-'.
3133         (mips_init_print_operand_punct): Update accordingly.
3134         (mips_start_ll_sc_sync_block): New function.
3135         (mips_end_ll_sc_sync_block): Likewise.
3136         (mips_output_sync): Likewise.
3137         (mips_sync_insn1_template): Likewise.
3138         (mips_sync_insn2_template): Likewise.
3139         (mips_get_sync_operand): Likewise.
3140         (mips_process_sync_loop): Likewise.
3141         (mips_output_sync_loop): Use mips_process_sync_loop.
3142         (mips_sync_loop_insns): New function.
3143         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Delete.
3144         (MIPS_COMPARE_AND_SWAP_12): Likewise.
3145         (MIPS_COMPARE_AND_SWAP_12_ZERO_OP): Likewise.
3146         (MIPS_COMPARE_AND_SWAP_12_NONZERO_OP): Likewise.
3147         (MIPS_SYNC_OP, MIPS_SYNC_OP_12): Likewise.
3148         (MIPS_SYNC_OP_12_AND, MIPS_SYNC_OP_12_XOR): Likewise.
3149         (MIPS_SYNC_OLD_OP_12): Likewise.
3150         (MIPS_SYNC_OLD_OP_12_AND, MIPS_SYNC_OLD_OP_12_XOR): Likewise.
3151         (MIPS_SYNC_NEW_OP_12): Likewise.
3152         (MIPS_SYNC_NEW_OP_12_AND, MIPS_SYNC_NEW_OP_12_XOR): Likewise.
3153         (MIPS_SYNC_OLD_OP, MIPS_SYNC_NEW_OP): Likewise.
3154         (MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND, MIPS_SYNC_NEW_NAND): Likewise.
3155         (MIPS_SYNC_EXCHANGE, MIPS_SYNC_EXCHANGE_12): Likewise.
3156         (MIPS_SYNC_EXCHANGE_12_ZERO_OP): Likewise.
3157         (MIPS_SYNC_EXCHANGE_12_NONZER_OP): Likewise.
3158         * config/mips/mips.md (sync_mem): New attribute.
3159         (sync_oldval, sync_newval, sync_inclusive_mask): Likewise.
3160         (sync_exclusive_mask, sync_required_oldval): Likewise.
3161         (sync_insn1_op2, sync_insn1, sync_insn2): Likewise.
3162         (sync_release_barrier): Likewise.
3163         (length): Handle sync loops.
3164         (sync): Use mips_output_sync.
3165         * config/mips/sync.md (*memory_barrier): Use mips_output_sync.
3166         (sync_compare_and_swap<mode>): Set the new sync_* attributes
3167         and use mips_output_sync_loop.
3168         (compare_and_swap_12, sync_add<mode>, sync_<optab>_12): Likewise.
3169         (sync_old_<optab>_12, sync_new_<optab>_12, sync_nand_12): Likewise.
3170         (sync_old_nand_12, sync_new_nand_12, sync_sub<mode>): Likewise.
3171         (sync_old_add<mode>, sync_old_sub<mode>): Likewise.
3172         (sync_new_add<mode>, sync_new_sub<mode>): Likewise.
3173         (sync_<optab><mode>, sync_old_<optab><mode>): Likewise.
3174         (sync_new_<optab><mode>, sync_nand<mode>): Likewise.
3175         (sync_old_nand<mode>, sync_new_nand<mode>): Likewise.
3176         (sync_lock_test_and_set<mode>, test_and_set_12): Likewise.
3178 2009-08-26  Richard Guenther  <rguenther@suse.de>
3180         PR middle-end/41163
3181         * gimplify.c (gimplify_addr_expr): Canonicalize ADDR_EXPRs if
3182         the types to not match.
3183         * tree-cfg.c (verify_gimple_assign_single): Adjust ADDR_EXPR
3184         verification.
3185         * tree-ssa.c (useless_type_conversion_p): Conversions to
3186         pointers to unprototyped functions are useless.
3188 2009-08-26  Richard Guenther  <rguenther@suse.de>
3190         * tree-ssa-structalias.c (create_variable_info_for): Remove strange
3191         whole-program condition, prepare to be called for non-globals.
3192         (intra_create_variable_infos): For restrict qualified DECL_BY_REFERENCE
3193         params build a representative with known type and track its fields.
3195 2009-08-26  Uros Bizjak  <ubizjak@gmail.com>
3197         * config/alpha/sync.md: Update comment about unpredictable LL/SC lock
3198         clearing by a taken branch.
3199         (sync_<fetchop_name><mode>): Split when epilogue_completed is set,
3200         effectively after bbro pass.
3201         (sync_nand<mode>): Ditto.
3202         (sync_old_<fetchop_name><mode>): Ditto.
3203         (sync_old_nand<mode>): Ditto.
3204         (sync_new_<fetchop_name><mode>): Dito.
3205         (sync_new_nand<mode>): Ditto.
3206         (sync_compare_and_swap<mode>_1): Ditto.
3207         (*sync_compare_and_swap<mode>): Ditto.
3208         (sync_lock_test_and_set<mode>_1): Ditto.
3209         ("sync_lock_test_and_set<mode>): Ditto.
3211 2009-08-25  Douglas B Rupp  <rupp@gnat.com>
3213         * hwint.h (HOST_LONG_FORMAT): New macro
3214         * bitmap.c, c-decl.c, mips-tfile.c, print-rtl.c, print-tree.c:
3215         Use HOST_PTR_PRINTF.
3216         * system.h (HOST_PTR_PRINTF): Resurrect old macro
3217         * doc/hostconfig.texi (HOST_LONG_FORMAT): Document.
3218         (HOST_PTR_PRINTF): Document.
3220 2009-08-25 Jan Hubicka  <jh@suse.cz>
3222         * config/i386/bmmintrin.h: Replace by #error.
3224         Revert:
3225         Michael Meissner  <michael.meissner@amd.com>
3226         Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3227         Tony Linthicum  <tony.linthicum@amd.com>
3229         * config/i386/i386.h (TARGET_SSE5): New macro for SSE5.
3230         (TARGET_ROUND): New macro for the round/ptest instructions which
3231         are shared between SSE4.1 and SSE5.
3232         (OPTION_MASK_ISA_ROUND): Ditto.
3233         (OPTION_ISA_ROUND): Ditto.
3234         (TARGET_FUSED_MADD): New macro for -mfused-madd swtich.
3235         (TARGET_CPU_CPP_BUILTINS): Add SSE5 support.
3237         * config/i386/i386.opt (-msse5): New switch for SSE5 support.
3238         (-mfused-madd): New switch to give users control over whether the
3239         compiler optimizes to use the multiply/add SSE5 instructions.
3241         * config/i386/i386.c (enum pta_flags): Add PTA_SSE5.
3242         (ix86_handle_option): Turn off 3dnow if -msse5.
3243         (override_options): Add SSE5 support.
3244         (print_operand): %Y prints comparison codes for SSE5 com/pcom
3245         instructions.
3246         (ix86_expand_sse_movcc): Add SSE5 support.
3247         (ix86_expand_sse5_unpack): New function to use pperm to unpack a
3248         vector type to the next largest size.
3249         (ix86_expand_sse5_pack): New function to use pperm to pack a
3250         vector type to the next smallest size.
3251         (IX86_BUILTIN_FMADDSS): New for SSE5 intrinsic.
3252         (IX86_BUILTIN_FMADDSD): Ditto.
3253         (IX86_BUILTIN_FMADDPS): Ditto.
3254         (IX86_BUILTIN_FMADDPD): Ditto.
3255         (IX86_BUILTIN_FMSUBSS): Ditto.
3256         (IX86_BUILTIN_FMSUBSD): Ditto.
3257         (IX86_BUILTIN_FMSUBPS): Ditto.
3258         (IX86_BUILTIN_FMSUBPD): Ditto.
3259         (IX86_BUILTIN_FNMADDSS): Ditto.
3260         (IX86_BUILTIN_FNMADDSD): Ditto.
3261         (IX86_BUILTIN_FNMADDPS): Ditto.
3262         (IX86_BUILTIN_FNMADDPD): Ditto.
3263         (IX86_BUILTIN_FNMSUBSS): Ditto.
3264         (IX86_BUILTIN_FNMSUBSD): Ditto.
3265         (IX86_BUILTIN_FNMSUBPS): Ditto.
3266         (IX86_BUILTIN_FNMSUBPD): Ditto.
3267         (IX86_BUILTIN_PCMOV_V2DI): Ditto.
3268         (IX86_BUILTIN_PCMOV_V4SI): Ditto.
3269         (IX86_BUILTIN_PCMOV_V8HI): Ditto.
3270         (IX86_BUILTIN_PCMOV_V16QI): Ditto.
3271         (IX86_BUILTIN_PCMOV_V4SF): Ditto.
3272         (IX86_BUILTIN_PCMOV_V2DF): Ditto.
3273         (IX86_BUILTIN_PPERM): Ditto.
3274         (IX86_BUILTIN_PERMPS): Ditto.
3275         (IX86_BUILTIN_PERMPD): Ditto.
3276         (IX86_BUILTIN_PMACSSWW): Ditto.
3277         (IX86_BUILTIN_PMACSWW): Ditto.
3278         (IX86_BUILTIN_PMACSSWD): Ditto.
3279         (IX86_BUILTIN_PMACSWD): Ditto.
3280         (IX86_BUILTIN_PMACSSDD): Ditto.
3281         (IX86_BUILTIN_PMACSDD): Ditto.
3282         (IX86_BUILTIN_PMACSSDQL): Ditto.
3283         (IX86_BUILTIN_PMACSSDQH): Ditto.
3284         (IX86_BUILTIN_PMACSDQL): Ditto.
3285         (IX86_BUILTIN_PMACSDQH): Ditto.
3286         (IX86_BUILTIN_PMADCSSWD): Ditto.
3287         (IX86_BUILTIN_PMADCSWD): Ditto.
3288         (IX86_BUILTIN_PHADDBW): Ditto.
3289         (IX86_BUILTIN_PHADDBD): Ditto.
3290         (IX86_BUILTIN_PHADDBQ): Ditto.
3291         (IX86_BUILTIN_PHADDWD): Ditto.
3292         (IX86_BUILTIN_PHADDWQ): Ditto.
3293         (IX86_BUILTIN_PHADDDQ): Ditto.
3294         (IX86_BUILTIN_PHADDUBW): Ditto.
3295         (IX86_BUILTIN_PHADDUBD): Ditto.
3296         (IX86_BUILTIN_PHADDUBQ): Ditto.
3297         (IX86_BUILTIN_PHADDUWD): Ditto.
3298         (IX86_BUILTIN_PHADDUWQ): Ditto.
3299         (IX86_BUILTIN_PHADDUDQ): Ditto.
3300         (IX86_BUILTIN_PHSUBBW): Ditto.
3301         (IX86_BUILTIN_PHSUBWD): Ditto.
3302         (IX86_BUILTIN_PHSUBDQ): Ditto.
3303         (IX86_BUILTIN_PROTB): Ditto.
3304         (IX86_BUILTIN_PROTW): Ditto.
3305         (IX86_BUILTIN_PROTD): Ditto.
3306         (IX86_BUILTIN_PROTQ): Ditto.
3307         (IX86_BUILTIN_PROTB_IMM): Ditto.
3308         (IX86_BUILTIN_PROTW_IMM): Ditto.
3309         (IX86_BUILTIN_PROTD_IMM): Ditto.
3310         (IX86_BUILTIN_PROTQ_IMM): Ditto.
3311         (IX86_BUILTIN_PSHLB): Ditto.
3312         (IX86_BUILTIN_PSHLW): Ditto.
3313         (IX86_BUILTIN_PSHLD): Ditto.
3314         (IX86_BUILTIN_PSHLQ): Ditto.
3315         (IX86_BUILTIN_PSHAB): Ditto.
3316         (IX86_BUILTIN_PSHAW): Ditto.
3317         (IX86_BUILTIN_PSHAD): Ditto.
3318         (IX86_BUILTIN_PSHAQ): Ditto.
3319         (IX86_BUILTIN_FRCZSS): Ditto.
3320         (IX86_BUILTIN_FRCZSD): Ditto.
3321         (IX86_BUILTIN_FRCZPS): Ditto.
3322         (IX86_BUILTIN_FRCZPD): Ditto.
3323         (IX86_BUILTIN_CVTPH2PS): Ditto.
3324         (IX86_BUILTIN_CVTPS2PH): Ditto.
3325         (IX86_BUILTIN_COMEQSS): Ditto.
3326         (IX86_BUILTIN_COMNESS): Ditto.
3327         (IX86_BUILTIN_COMLTSS): Ditto.
3328         (IX86_BUILTIN_COMLESS): Ditto.
3329         (IX86_BUILTIN_COMGTSS): Ditto.
3330         (IX86_BUILTIN_COMGESS): Ditto.
3331         (IX86_BUILTIN_COMUEQSS): Ditto.
3332         (IX86_BUILTIN_COMUNESS): Ditto.
3333         (IX86_BUILTIN_COMULTSS): Ditto.
3334         (IX86_BUILTIN_COMULESS): Ditto.
3335         (IX86_BUILTIN_COMUGTSS): Ditto.
3336         (IX86_BUILTIN_COMUGESS): Ditto.
3337         (IX86_BUILTIN_COMORDSS): Ditto.
3338         (IX86_BUILTIN_COMUNORDSS): Ditto.
3339         (IX86_BUILTIN_COMFALSESS): Ditto.
3340         (IX86_BUILTIN_COMTRUESS): Ditto.
3341         (IX86_BUILTIN_COMEQSD): Ditto.
3342         (IX86_BUILTIN_COMNESD): Ditto.
3343         (IX86_BUILTIN_COMLTSD): Ditto.
3344         (IX86_BUILTIN_COMLESD): Ditto.
3345         (IX86_BUILTIN_COMGTSD): Ditto.
3346         (IX86_BUILTIN_COMGESD): Ditto.
3347         (IX86_BUILTIN_COMUEQSD): Ditto.
3348         (IX86_BUILTIN_COMUNESD): Ditto.
3349         (IX86_BUILTIN_COMULTSD): Ditto.
3350         (IX86_BUILTIN_COMULESD): Ditto.
3351         (IX86_BUILTIN_COMUGTSD): Ditto.
3352         (IX86_BUILTIN_COMUGESD): Ditto.
3353         (IX86_BUILTIN_COMORDSD): Ditto.
3354         (IX86_BUILTIN_COMUNORDSD): Ditto.
3355         (IX86_BUILTIN_COMFALSESD): Ditto.
3356         (IX86_BUILTIN_COMTRUESD): Ditto.
3357         (IX86_BUILTIN_COMEQPS): Ditto.
3358         (IX86_BUILTIN_COMNEPS): Ditto.
3359         (IX86_BUILTIN_COMLTPS): Ditto.
3360         (IX86_BUILTIN_COMLEPS): Ditto.
3361         (IX86_BUILTIN_COMGTPS): Ditto.
3362         (IX86_BUILTIN_COMGEPS): Ditto.
3363         (IX86_BUILTIN_COMUEQPS): Ditto.
3364         (IX86_BUILTIN_COMUNEPS): Ditto.
3365         (IX86_BUILTIN_COMULTPS): Ditto.
3366         (IX86_BUILTIN_COMULEPS): Ditto.
3367         (IX86_BUILTIN_COMUGTPS): Ditto.
3368         (IX86_BUILTIN_COMUGEPS): Ditto.
3369         (IX86_BUILTIN_COMORDPS): Ditto.
3370         (IX86_BUILTIN_COMUNORDPS): Ditto.
3371         (IX86_BUILTIN_COMFALSEPS): Ditto.
3372         (IX86_BUILTIN_COMTRUEPS): Ditto.
3373         (IX86_BUILTIN_COMEQPD): Ditto.
3374         (IX86_BUILTIN_COMNEPD): Ditto.
3375         (IX86_BUILTIN_COMLTPD): Ditto.
3376         (IX86_BUILTIN_COMLEPD): Ditto.
3377         (IX86_BUILTIN_COMGTPD): Ditto.
3378         (IX86_BUILTIN_COMGEPD): Ditto.
3379         (IX86_BUILTIN_COMUEQPD): Ditto.
3380         (IX86_BUILTIN_COMUNEPD): Ditto.
3381         (IX86_BUILTIN_COMULTPD): Ditto.
3382         (IX86_BUILTIN_COMULEPD): Ditto.
3383         (IX86_BUILTIN_COMUGTPD): Ditto.
3384         (IX86_BUILTIN_COMUGEPD): Ditto.
3385         (IX86_BUILTIN_COMORDPD): Ditto.
3386         (IX86_BUILTIN_COMUNORDPD): Ditto.
3387         (IX86_BUILTIN_COMFALSEPD): Ditto.
3388         (IX86_BUILTIN_COMTRUEPD): Ditto.
3389         (IX86_BUILTIN_PCOMEQUB): Ditto.
3390         (IX86_BUILTIN_PCOMNEUB): Ditto.
3391         (IX86_BUILTIN_PCOMLTUB): Ditto.
3392         (IX86_BUILTIN_PCOMLEUB): Ditto.
3393         (IX86_BUILTIN_PCOMGTUB): Ditto.
3394         (IX86_BUILTIN_PCOMGEUB): Ditto.
3395         (IX86_BUILTIN_PCOMFALSEUB): Ditto.
3396         (IX86_BUILTIN_PCOMTRUEUB): Ditto.
3397         (IX86_BUILTIN_PCOMEQUW): Ditto.
3398         (IX86_BUILTIN_PCOMNEUW): Ditto.
3399         (IX86_BUILTIN_PCOMLTUW): Ditto.
3400         (IX86_BUILTIN_PCOMLEUW): Ditto.
3401         (IX86_BUILTIN_PCOMGTUW): Ditto.
3402         (IX86_BUILTIN_PCOMGEUW): Ditto.
3403         (IX86_BUILTIN_PCOMFALSEUW): Ditto.
3404         (IX86_BUILTIN_PCOMTRUEUW): Ditto.
3405         (IX86_BUILTIN_PCOMEQUD): Ditto.
3406         (IX86_BUILTIN_PCOMNEUD): Ditto.
3407         (IX86_BUILTIN_PCOMLTUD): Ditto.
3408         (IX86_BUILTIN_PCOMLEUD): Ditto.
3409         (IX86_BUILTIN_PCOMGTUD): Ditto.
3410         (IX86_BUILTIN_PCOMGEUD): Ditto.
3411         (IX86_BUILTIN_PCOMFALSEUD): Ditto.
3412         (IX86_BUILTIN_PCOMTRUEUD): Ditto.
3413         (IX86_BUILTIN_PCOMEQUQ): Ditto.
3414         (IX86_BUILTIN_PCOMNEUQ): Ditto.
3415         (IX86_BUILTIN_PCOMLTUQ): Ditto.
3416         (IX86_BUILTIN_PCOMLEUQ): Ditto.
3417         (IX86_BUILTIN_PCOMGTUQ): Ditto.
3418         (IX86_BUILTIN_PCOMGEUQ): Ditto.
3419         (IX86_BUILTIN_PCOMFALSEUQ): Ditto.
3420         (IX86_BUILTIN_PCOMTRUEUQ): Ditto.
3421         (IX86_BUILTIN_PCOMEQB): Ditto.
3422         (IX86_BUILTIN_PCOMNEB): Ditto.
3423         (IX86_BUILTIN_PCOMLTB): Ditto.
3424         (IX86_BUILTIN_PCOMLEB): Ditto.
3425         (IX86_BUILTIN_PCOMGTB): Ditto.
3426         (IX86_BUILTIN_PCOMGEB): Ditto.
3427         (IX86_BUILTIN_PCOMFALSEB): Ditto.
3428         (IX86_BUILTIN_PCOMTRUEB): Ditto.
3429         (IX86_BUILTIN_PCOMEQW): Ditto.
3430         (IX86_BUILTIN_PCOMNEW): Ditto.
3431         (IX86_BUILTIN_PCOMLTW): Ditto.
3432         (IX86_BUILTIN_PCOMLEW): Ditto.
3433         (IX86_BUILTIN_PCOMGTW): Ditto.
3434         (IX86_BUILTIN_PCOMGEW): Ditto.
3435         (IX86_BUILTIN_PCOMFALSEW): Ditto.
3436         (IX86_BUILTIN_PCOMTRUEW): Ditto.
3437         (IX86_BUILTIN_PCOMEQD): Ditto.
3438         (IX86_BUILTIN_PCOMNED): Ditto.
3439         (IX86_BUILTIN_PCOMLTD): Ditto.
3440         (IX86_BUILTIN_PCOMLED): Ditto.
3441         (IX86_BUILTIN_PCOMGTD): Ditto.
3442         (IX86_BUILTIN_PCOMGED): Ditto.
3443         (IX86_BUILTIN_PCOMFALSED): Ditto.
3444         (IX86_BUILTIN_PCOMTRUED): Ditto.
3445         (IX86_BUILTIN_PCOMEQQ): Ditto.
3446         (IX86_BUILTIN_PCOMNEQ): Ditto.
3447         (IX86_BUILTIN_PCOMLTQ): Ditto.
3448         (IX86_BUILTIN_PCOMLEQ): Ditto.
3449         (IX86_BUILTIN_PCOMGTQ): Ditto.
3450         (IX86_BUILTIN_PCOMGEQ): Ditto.
3451         (IX86_BUILTIN_PCOMFALSEQ): Ditto.
3452         (IX86_BUILTIN_PCOMTRUEQ): Ditto.
3453         (enum multi_arg_type): New enum for describing the various SSE5
3454         intrinsic argument types.
3455         (bdesc_multi_arg): New table for SSE5 intrinsics.
3456         (ix86_init_mmx_sse_builtins): Add SSE5 intrinsic support.
3457         (ix86_expand_multi_arg_builtin): New function for creating SSE5
3458         intrinsics.
3459         (ix86_expand_builtin): Add SSE5 intrinsic support.
3460         (ix86_sse5_valid_op_p): New function to validate SSE5 3 and 4
3461         operand instructions.
3462         (ix86_expand_sse5_multiple_memory): New function to split the
3463         second memory reference from SSE5 instructions.
3464         (type_has_variadic_args_p): Delete in favor of stdarg_p.
3465         (ix86_return_pops_args): Use stdarg_p to determine if the function
3466         has variable arguments.
3467         (ix86_setup_incoming_varargs): Ditto.
3468         (x86_this_parameter): Ditto.
3470         * config/i386/i386-protos.h (ix86_expand_sse5_unpack): Add
3471         declaration.
3472         (ix86_expand_sse5_pack): Ditto.
3473         (ix86_sse5_valid_op_p): Ditto.
3474         (ix86_expand_sse5_multiple_memory): Ditto.
3476         * config/i386/i386.md (UNSPEC_SSE5_INTRINSIC): Add new UNSPEC
3477         constant for SSE5 support.
3478         (UNSPEC_SSE5_UNSIGNED_CMP): Ditto.
3479         (UNSPEC_SSE5_TRUEFALSE): Ditto.
3480         (UNSPEC_SSE5_PERMUTE): Ditto.
3481         (UNSPEC_SSE5_ASHIFT): Ditto.
3482         (UNSPEC_SSE5_LSHIFT): Ditto.
3483         (UNSPEC_FRCZ): Ditto.
3484         (UNSPEC_CVTPH2PS): Ditto.
3485         (UNSPEC_CVTPS2PH): Ditto.
3486         (PCOM_FALSE): Add new constant for true/false SSE5 comparisons.
3487         (PCOM_TRUE): Ditto.
3488         (COM_FALSE_S): Ditto.
3489         (COM_FALSE_P): Ditto.
3490         (COM_TRUE_S): Ditto.
3491         (COM_TRUE_P): Ditto.
3492         (type attribute): Add ssemuladd, sseiadd1, ssecvt1, sse4arg types.
3493         (unit attribute): Add support for ssemuladd, ssecvt1, sseiadd1 sse4arg
3494         types.
3495         (memory attribute): Ditto.
3496         (sse4_1_round<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
3497         Use SSE4_1_ROUND_* constants instead of hard coded numbers.
3498         (rint<mode>2): Use TARGET_ROUND instead of TARGET_SSE4_1.
3499         (floor<mode>2): Ditto.
3500         (ceil<mode>2): Ditto.
3501         (btrunc<mode>2): Ditto.
3502         (nearbyintdf2): Ditto.
3503         (nearbyintsf2): Ditto.
3504         (sse_setccsf): Disable if SSE5.
3505         (sse_setccdf): Ditto.
3506         (sse5_setcc<mode>): New support for SSE5 conditional move.
3507         (sse5_pcmov_<mode>): Ditto.
3509         * config/i386/sse.md (SSEMODE1248): New mode iterator for SSE5.
3510         (SSEMODEF4): Ditto.
3511         (SSEMODEF2P): Ditto.
3512         (ssemodesuffixf4): New mode attribute for SSE5.
3513         (ssemodesuffixf2s): Ditto.
3514         (ssemodesuffixf2c): Ditto.
3515         (sserotatemax): Ditto.
3516         (ssescalarmode): Ditto.
3517         (sse_maskcmpv4sf3): Disable if SSE5.
3518         (sse_maskcmpv2df3): Ditto.
3519         (sse_vmmaskcmpv4sf3): Ditto.
3520         (sse5_fmadd<mode>4): Add SSE5 floating point multiply/add instructions.
3521         (sse5_vmfmadd<mode>4): Ditto.
3522         (sse5_fmsub<mode>4): Ditto.
3523         (sse5_vmfmsub<mode>4): Ditto.
3524         (sse5_fnmadd<mode>4): Ditto.
3525         (sse5_vmfnmadd<mode>4): Ditto.
3526         (sse5_fnmsub<mode>4): Ditto.
3527         (sse5_vmfnmsub<mode>4): Ditto.
3528         (sse5i_fmadd<mode>4): Ditto.
3529         (sse5i_fmsub<mode>4): Ditto.
3530         (sse5i_fnmadd<mode>4): Ditto.
3531         (sse5i_fnmsub<mode>4): Ditto.
3532         (sse5i_vmfmadd<mode>4): Ditto.
3533         (sse5i_vmfmsub<mode>4): Ditto.
3534         (sse5i_vmfnmadd<mode>4): Ditto.
3535         (sse5i_vmfnmsub<mode>4): Ditto.
3536         (mulv16qi3): Add SSE5 support.
3537         (mulv4si3): Ditto.
3538         (sse5_mulv4si3): New insn for 32-bit multiply support on SSE5.
3539         (sse2_mulv4si3): Disable if SSE5.
3540         (sse4_1_roundpd): Use TARGET_ROUND instead of TARGET_SSE4_1.
3541         (sse4_1_roundps): Ditto.
3542         (sse4_1_roundsd): Ditto.
3543         (sse4_1_roundss): Ditto.
3544         (sse_maskcmpv4sf3): Disable if SSE5 so the SSE5 instruction will
3545         be generated.
3546         (sse_maskcmpsf3): Ditto.
3547         (sse_vmmaskcmpv4sf3): Ditto.
3548         (sse2_maskcmpv2df3): Ditto.
3549         (sse2_maskcmpdf3): Ditto.
3550         (sse2_vmmaskcmpv2df3): Ditto.
3551         (sse2_eq<mode>3): Ditto.
3552         (sse2_gt<mode>3): Ditto.
3553         (sse5_pcmov_<mode>): Add SSE5 support.
3554         (vec_unpacku_hi_v16qi): Ditto.
3555         (vec_unpacks_hi_v16qi): Ditto.
3556         (vec_unpacku_lo_v16qi): Ditto.
3557         (vec_unpacks_lo_v16qi): Ditto.
3558         (vec_unpacku_hi_v8hi): Ditto.
3559         (vec_unpacks_hi_v8hi): Ditto.
3560         (vec_unpacku_lo_v8hi): Ditto.
3561         (vec_unpacks_lo_v8hi): Ditto.
3562         (vec_unpacku_hi_v4si): Ditto.
3563         (vec_unpacks_hi_v4si): Ditto.
3564         (vec_unpacku_lo_v4si): Ditto.
3565         (vec_unpacks_lo_v4si): Ditto.
3566         (sse5_pmacsww): New SSE5 intrinsic insn.
3567         (sse5_pmacssww): Ditto.
3568         (sse5_pmacsdd): Ditto.
3569         (sse5_pmacssdd): Ditto.
3570         (sse5_pmacssdql): Ditto.
3571         (sse5_pmacssdqh): Ditto.
3572         (sse5_pmacsdqh): Ditto.
3573         (sse5_pmacsswd): Ditto.
3574         (sse5_pmacswd): Ditto.
3575         (sse5_pmadcsswd): Ditto.
3576         (sse5_pmadcswd): Ditto.
3577         (sse5_pcmov_<move>): Conditional move support on SSE5.
3578         (sse5_phaddbw): New SSE5 intrinsic insn.
3579         (sse5_phaddbd): Ditto.
3580         (sse5_phaddbq): Ditto.
3581         (sse5_phaddwd): Ditto.
3582         (sse5_phaddwq): Ditto.
3583         (sse5_phadddq): Ditto.
3584         (sse5_phaddubw): Ditto.
3585         (sse5_phaddubd): Ditto.
3586         (sse5_phaddubq): Ditto.
3587         (sse5_phadduwd): Ditto.
3588         (sse5_phadduwq): Ditto.
3589         (sse5_phaddudq): Ditto.
3590         (sse5_phsubbw): Ditto.
3591         (sse5_phsubwd): Ditto.
3592         (sse5_phsubdq): Ditto.
3593         (sse5_pperm): Ditto.
3594         (sse5_pperm_sign_v16qi_v8hi): New insns for pack/unpack with SSE5.
3595         (sse5_pperm_zero_v16qi_v8hi): Ditto.
3596         (sse5_pperm_sign_v8hi_v4si): Ditto.
3597         (sse5_pperm_zero_v8hi_v4si): Ditto.
3598         (sse5_pperm_sign_v4si_v2di): Ditto.
3599         (sse5_pperm_sign_v4si_v2di): Ditto.
3600         (sse5_pperm_pack_v2di_v4si): Ditto.
3601         (sse5_pperm_pack_v4si_v8hi): Ditto.
3602         (sse5_pperm_pack_v8hi_v16qi): Ditto.
3603         (sse5_perm<mode>): New SSE5 intrinsic insn.
3604         (rotl<mode>3): Ditto.
3605         (sse5_rotl<mode>3): Ditto.
3606         (sse5_ashl<mode>3): Ditto.
3607         (sse5_lshl<mode>3): Ditto.
3608         (sse5_frcz<mode>2): Ditto.
3609         (sse5s_frcz<mode>2): Ditto.
3610         (sse5_cvtph2ps): Ditto.
3611         (sse5_cvtps2ph): Ditto.
3612         (sse5_vmmaskcmp<mode>3): Ditto.
3613         (sse5_com_tf<mode>3): Ditto.
3614         (sse5_maskcmp<mode>3): Ditto.
3615         (sse5_maskcmp_uns<mode>3): Ditto.
3616         (sse5_maskcmp_uns2<mode>3): Ditto.
3617         (sse5_pcom_tf<mode>3): Ditto.
3619         * config/i386/predicates.md (sse5_comparison_float_operator):
3620         New predicate to match the comparison operators supported by
3621         the SSE5 com instruction.
3622         (ix86_comparison_int_operator): New predicate to match just the
3623         signed int comparisons.
3624         (ix86_comparison_uns_operator): New predicate to match just the
3625         unsigned int comparisons.
3627         * doc/invoke.texi (-msse5): Add documentation.
3628         (-mfused-madd): Ditto.
3630         * doc/extend.texi (x86 intrinsics): Document new SSE5 intrinsics.
3632         * config.gcc (i[34567]86-*-*): Include bmmintrin.h and
3633         mmintrin-common.h.
3634         (x86_64-*-*): Ditto.
3636         * config/i386/cpuid.h (bit_SSE5): Define SSE5 bit.
3638         * config/i386/bmmintrin.h: New file, provide common x86 compiler
3639         intrinisics for SSE5.
3641         * config/i386/smmintrin.h: Move instructions shared with SSE5 to
3642         mmintrin-common.h.
3644         * config/i386/mmintrin-common.h: New file, to contain common
3645         instructions between SSE4.1 and SSE5.
3647         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration): Use
3648         FOREACH_FUNCTION_ARGS to iterate over the argument list.
3649         (gen_regparm_prefix): Ditto.
3651         * config/i386/winnt.c (gen_stdcall_or_fastcall_suffix): Use
3652         FOREACH_FUNCTION_ARGS to iterate over the argument list.  Use
3653         prototype_p to determine if a function is prototyped.
3655 2009-08-25 Ville Voutilainen <ville.voutilainen@gmail.com>
3657         * c-common.c (c_common_reswords) add the alignof keyword,
3658         with same RID as __alignof and __alignof__
3660 2009-08-25  Anatoly Sokolov  <aesok@post.ru>
3662         * hooks.h (hook_bool_const_int_const_int_true): Declare.
3663         * hooks.c (hook_bool_const_int_const_int_true): New function.
3664         * target.h (struct gcc_target): Add can_eliminate field.
3665         * target-def.h (TARGET_CAN_ELIMINATE): Define.
3666         (TARGET_INITIALIZER): Use TARGET_CAN_ELIMINATE.
3667         * ira.c (setup_eliminable_regset): Use can_eliminate target hook.
3668         * reload1.c (update_eliminables, init_elim_table): (Ditto.).
3669         (elim_table): Revise comment.
3670         * system.h (CAN_ELIMINATE): Poison.
3671         * defaults.h (CAN_ELIMINATE): Remove.
3672         * doc/tm.texi (CAN_ELIMINATE): Revise documentation.
3674         * config/alpha/vms.h (CAN_ELIMINATE): Remove macro.
3675         * config/alpha/alpha.c (TARGET_CAN_ELIMINATE) [TARGET_ABI_OPEN_VMS]:
3676         Define macro.
3677         (alpha_vms_can_eliminate): Declare as static, change return type to
3678         bool.
3679         * config/alpha/alpha-protos.h (alpha_vms_can_eliminate): Remove.
3681         * config/arm/arm.h (CAN_ELIMINATE): Remove macro.
3682         * config/arm/arm.c (TARGET_CAN_ELIMINATE): Define macro.
3683         (arm_can_eliminate): New function.
3685         * config/avr/avr.h (CAN_ELIMINATE): Remove macro.
3686         * config/avr/avr.c (TARGET_CAN_ELIMINATE): Define macro.
3687         (avr_can_eliminate): Declare as static.
3688         * config/avr/avr-protos.h (avr_can_eliminate): Remove.
3690         * config/bfin/bfin.h (CAN_ELIMINATE): Remove macro.
3691         * config/bfin/bfin.c (TARGET_CAN_ELIMINATE): Define macro.
3692         (bfin_can_eliminate): New function.
3694         * config/crx/crx.h (CAN_ELIMINATE): Remove macro.
3695         * config/crx/crx.c (TARGET_CAN_ELIMINATE): Define macro.
3696         (crx_can_eliminate): New function.
3698         * config/fr30/fr30.h (CAN_ELIMINATE): Remove macro.
3699         * config/fr30/fr30.c (TARGET_CAN_ELIMINATE): Define macro.
3700         (fr30_can_eliminate): New function.
3702         * config/frv/frv.h (CAN_ELIMINATE): Remove macro.
3703         * config/frv/frv.c (TARGET_CAN_ELIMINATE): Define macro.
3704         (frv_can_eliminate): New function.
3706         * config/h8300/h8300.h (CAN_ELIMINATE): Remove macro.
3707         * config/h8300/h8300.c (TARGET_CAN_ELIMINATE): Define macro.
3708         (h8300_can_eliminate): New function.
3710         * config/i386/i386.h (CAN_ELIMINATE): Remove macro.
3711         * config/i386/i386.c (TARGET_CAN_ELIMINATE): Define macro.
3712         (i386_can_eliminate): Declare as static, change return type to bool.
3713         * config/i386/i386-protos.h (i386_can_eliminate): Remove.
3715         * config/ia64/ia64.h (CAN_ELIMINATE): Remove macro.
3716         * config/ia64/ia64.c (TARGET_CAN_ELIMINATE): Define macro.
3717         (ia64_can_eliminate): New function.
3719         * config/iq2000/iq2000.h (CAN_ELIMINATE): Remove macro.
3720         * config/iq2000/iq2000.c (TARGET_CAN_ELIMINATE): Define macro.
3721         (iq2000_can_eliminate): New function.
3723         * config/m32r/m32r.h (CAN_ELIMINATE): Remove macro.
3724         * config/m32r/m32r.c (TARGET_CAN_ELIMINATE): Define macro.
3725         (m32r_can_eliminate): New function.
3727         * config/m68hc11/m68hc11.h (CAN_ELIMINATE): Remove macro.
3728         * config/m68hc11/m68hc11.c (TARGET_CAN_ELIMINATE): Define macro.
3729         (m68hc11_can_eliminate): New function.
3731         * config/m68k/m68k.h (CAN_ELIMINATE): Remove macro.
3732         * config/m68k/m68k.c (TARGET_CAN_ELIMINATE): Define macro.
3733         (m68k_can_eliminate): New function.
3735         * config/mep/mep.h (CAN_ELIMINATE): Remove macro.
3736         * config/mep/mep.c (TARGET_CAN_ELIMINATE): Define macro.
3737         (mep_can_eliminate): New function.
3739         * config/mips/mips.h (CAN_ELIMINATE): Remove macro.
3740         * config/mips/mips.c (TARGET_CAN_ELIMINATE): Define macro.
3741         (mips_can_eliminate): New function.
3743         * config/rs6000/rs6000.h (CAN_ELIMINATE): Remove macro.
3744         * config/rs6000/rs6000.c (TARGET_CAN_ELIMINATE): Define macro.
3745         (rs6000_can_eliminate): New function.
3747         * config/s390/s390.h (CAN_ELIMINATE): Remove macro.
3748         * config/s390/s390.c (TARGET_CAN_ELIMINATE): Define macro.
3749         (s390_can_eliminate): Declare as static.
3750         * config/s390/s390-protos.h (sparc_can_eliminate): Remove.
3752         * config/score/score.h (CAN_ELIMINATE): Remove macro.
3753         * config/score/score.c (TARGET_CAN_ELIMINATE): Define macro.
3754         (score_can_eliminate): New function.
3756         * config/sparc/sparc.h (CAN_ELIMINATE): Remove macro.
3757         * config/sparc/sparc.c (TARGET_CAN_ELIMINATE): Define macro.
3758         (sparc_can_eliminate): Declare as static.
3759         * config/sparc/sparc-protos.h (sparc_can_eliminate): Remove.
3761         * config/stormy16/stormy16.h (CAN_ELIMINATE): Remove macro.
3762         * config/stormy16/stormy16.c (TARGET_CAN_ELIMINATE): Define macro.
3763         (xstormy16_can_eliminate): New function.
3765         * config/v850/v850.h (CAN_ELIMINATE): Remove macro.
3766         * config/v850/v850.c (TARGET_CAN_ELIMINATE): Define macro.
3767         (v850_can_eliminate): New function.
3769 2009-08-25  Uros Bizjak  <ubizjak@gmail.com>
3771         * config/alpha/alpha.md (*cmpdf_ieee_ext[123]): Remove.
3772         (*cmpdf_internal): Enable for all ALPHA_FPTM levels.
3773         (*movdfcc_ext[1234]): Disable for IEEE mode.
3775 2009-08-25  Eric Botcazou  <ebotcazou@adacore.com>
3777         * gimplify.c (prepare_gimple_addressable): New static function.
3778         (gimplify_modify_expr_to_memcpy): Invoke it on the RHS before marking
3779         it addressable.
3780         (gimplify_addr_expr): Invoke it similarly on the operand instead of
3781         manually fiddling with it.
3783 2009-08-25  Michael Matz  <matz@suse.de>
3785         * expr.h (jumpifnot_1, jumpif_1, do_jump_1): Declare.
3786         * dojump.c (do_jump_by_parts_greater): Take two operands instead of
3787         full expression.
3788         (do_jump_by_parts_equality, do_compare_and_jump): Ditto.
3789         (jumpifnot_1, jumpif_1): New wrappers for do_jump_1.
3790         (do_jump): Split out code for simple binary comparisons into ...
3791         (do_jump_1): ... this, taking the individual operands and code.
3792         Change callers to helper function above accordingly.
3793         * expr.c (expand_expr_real_1): Use jumpifnot_1 for simple binary
3794         comparisons.
3796 2009-08-25  Michael Matz  <matz@suse.de>
3798         * expr.h (struct separate_ops, sepops): New type for passing
3799         around an exploded simple expression.
3800         * optabs.c (expand_widen_pattern_expr, expand_vec_shift_expr):
3801         Use this structure instead of expression tree.
3802         (get_vcond_icode, expand_vec_cond_expr_p): Don't take whole
3803         expression, only its type.
3804         (expand_vec_cond_expr): Take type and individual operands instead
3805         of full expression.
3806         * optabs.h (expand_widen_pattern_expr, expand_vec_cond_expr,
3807         expand_vec_shift_expr): Change prototype accordingly.
3808         * tree-vect-stmts.c (vectorizable_condition): Change call of
3809         expand_vec_cond_expr_p to pass only type.
3810         * expr.c (do_store_flags): Change prototype and implementation
3811         to take an exploded expression.
3812         (expand_expr_real_1): New local ops initialized with details
3813         of the full expression.  Use it instead of full
3814         expression in calls to do_store_flags, expand_vec_cond_expr,
3815         expand_widen_pattern_expr and expand_vec_shift_expr.
3817 2009-08-25  Michael Matz  <matz@suse.de>
3819         * expr.c (expand_expr_real_1): New local treeop0, treeop1,
3820         treeop2 initialized with first three operands of the full expression.
3821         Substitute all TREE_OPERAND (exp, [012]) calls with them.
3823 2009-08-25  Kai Tietz  <kai.tietz@onevision.com>
3825         * gcc/gthr-win32.h (__UNUSED_PARAM): Define, if not already present.
3826         (__gthread_objc_condition_allocate): Mark arguments as unused.
3827         (__gthread_objc_condition_deallocate): Likewise.
3828         (__gthread_objc_condition_wait): Likewise.
3829         (__gthread_objc_condition_broadcast): Likewise.
3830         (__gthread_objc_condition_signal): Likewise.
3831         (__gthread_objc_thread_detach): Cast via INT_PTR to pointer.
3832         (__gthread_objc_thread_id): Likewise.
3834 2009-08-25  Janus Weil  <janus@gcc.gnu.org>
3836         PR middle-end/41149
3837         * tree-pretty-print.c (print_call_name): Print the correct call name
3838         for procedure pointer components.
3840 2009-08-24  Steve Ellcey  <sje@cup.hp.com>
3842         * config/ia64/ia64.c (ia64_promote_function_mode): Call
3843         default_promote_function_mode when not VMS.
3845 2009-08-24  Olivier Hainque  <hainque@adacore.com>
3847         * convert.c (convert_to_integer): Don't assume an input pointer is
3848         POINTER_SIZE wide.  Fetch from the type instead.
3850 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3852         * configure.ac (AC_PREREQ): Bump to 2.64.
3854 2009-08-24  Rafael Avila de Espindola  <espindola@google.com>
3856         * gcc.c (standard_exec_prefix_1,standard_exec_prefix_2): Remove.
3857         (process_command): Don't search standard_exec_prefix_1 and
3858         standard_exec_prefix_2.
3860 2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3862         * config/arm/arm.c (output_return_instruction): Handle for
3863         unified syntax.
3865 2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3867         * config/arm/arm.c (arm_select_cc_mode): Handle subreg.
3869 2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3871         * config/arm/vfp.md (*arm_movdi_vfp): Mark as predicable.
3872         (*arm_movdf_vfp): Likewise.
3874 2009-08-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
3876         * config/arm/neon.md (vashl<mode>3): Rename from ashl<mode>3.
3877         (vashr<mode>3): Rename from ashr<mode>3.
3878         (vlshr<mode>3): Rename from lshr<mode>3.
3880 2009-08-24  Kai Tietz  <kai.tietz@onevision.com>
3882         PR/40786
3883         * c-format.c (format_wanted_type): Add new member scalar_identity_flag.
3884         (check_format_info_main): Use scalar_identify_flag.
3885         (check_format_types): Check for scalar size identity if
3886         scalar_identify_flag is set.
3887         (printf_length_specs): Extend by new field.
3888         (asm_fprintf_length_specs): Likewise.
3889         (gcc_diag_length_specs): Likewise.
3890         (scanf_length_specs): Likewise.
3891         (strfmon_length_specs): Likewise.
3892         (gcc_gfc_length_specs): Likewise.
3893         * config/i386/msformat-c.c (ms_printf_length_specs): Likewise.
3894         (ms_printf_flag_specs): Likewise.
3895         * c-format.h (format_length_info): Add new member scalar_identity_flag.
3897 2009-08-23  Uros Bizjak  <ubizjak@gmail.com>
3899         PR target/40718
3900         * config/i386/i386.c (*call_pop_1): Disable for sibling calls.
3901         (*call_value_pop_1): Ditto.
3902         (*sibcall_pop_1): New insn pattern.
3903         (*sibcall_value_pop_1): Ditto.
3905 2009-08-23  Alan Modra  <amodra@bigpond.net.au>
3907         PR target/41081
3908         * config/rs6000/rs6000.md (rotlsi3_64, ashlsi3_64, lshrsi3_64,
3909         ashrsi3_64): New.
3911 2009-08-23  Alan Modra  <amodra@bigpond.net.au>
3913         PR target/41081
3914         * fwprop.c (try_fwprop_subst): Allow multiple sets.
3915         (get_reg_use_in): New function.
3916         (forward_propagate_subreg): Propagate through subreg of zero_extend
3917         or sign_extend.
3919 2009-08-22  Kaz Kojima  <kkojima@gcc.gnu.org>
3921         * config/sh/t-sh (TARGET_LIBGCC2_CFLAGS): Define.
3922         * config/sh/t-netbsd (TARGET_LIBGCC2_CFLAGS): Add -mieee.
3924 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3926         * configure.ac: Remove --with-datarootdir, --with-docdir,
3927         --with-htmldir switches.  No need to call AC_SUBST for
3928         datarootdir, docdir, htmldir any more.
3929         * configure: Regenerate.
3930         * doc/install.texi (Configuration): Document --datarootdir,
3931         --docdir, --htmldir, --pdfdir; update documentation for
3932         --infodir, --mandir.
3933         (Prerequisites): Bump Autoconf version to 2.64, Automake to 1.11,
3934         M4 to 1.4.6.
3936         * aclocal.m4: Regenerate.
3937         * config.in: Regenerate.
3938         * configure: Regenerate.
3940 2009-08-21  Douglas B Rupp  <rupp@gnat.com>
3941             Olivier Hainque  <hainque@adacore.com>
3943         * config/ia64/ia64.c: Include libfuncs.h.
3944         (TARGET_PROMOTE_FUNCITON_MODE): Define target macro.
3945         (ia64_expand_call): Use reg 25 on VMS.
3946         (ia64_initialize_trampoline): Fix for VMS ABI.
3947         (ia64_function_arg_offset): Always returns 0 when TARGET_ABI_OPEN_VMS.
3948         (ia64_function_arg): Initialize reg 25 on VMS.
3949         Fix OpenVMS ABI issues for varargs.
3950         For OpenVMS, emit the Argument Information register set in the
3951         incoming/sibcall case as well.
3952         (ia64_arg_type): New function.
3953         (ia64_function_arg_advance): Keep track of cum->words.
3954         Fix OpenVMS ABI issues for varargs.
3955         (ia64_function_value): On VMS, promote mode of non-aggregate types.
3956         (ia64_override_options): Set flag_no_common on VMS.
3957         (ia64_init_builtins): Disable FWRITE builtin.
3958         (ia64_asm_output_external): Call DO_CRTL_NAMES.
3959         (ia64_vms_init_libfuncs): Add decc$ routines.
3960         (ia64_vms_valid_pointer_mode): New function.
3961         (ia64_struct_value_rtx): Allways NULL_RTX on VMS.
3962         (ia64_promote_function_mode): New function
3963         * config/ia64/ia64.h (TARGET_ABI_OPEN_VMS): Define as 0 for default.
3964         (LONG_DOUBLE_TYPE_SIZE): Force to 64 on VMS.
3965         (LIBCGC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
3966         (INIT_CUMULATIVE_ARGS): Add atypes for VMS.
3967         (INIT_CUMULATIVE_INCOMING_ARGS): Likewise.
3968         (ASM_OUTPUT_DEF): Use ISDIGIT instead of isdigit.
3969         Suppress trailing '#' if VALUE is numeric.
3970         * config/ia64/vms.h (PROMOTE_FUNCTION_MODE): Remove, code moved to
3971         ia64_promote_function_mode.
3972         (TARGET_VALID_POINTER_MODE): Define.
3974 2009-08-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
3976         PR target/40671
3977         * config/rs6000/rs6000.c (rs6000_override_options): Use
3978         TARGET_64BIT instead of TARGET_POWERPC64 to set the size of pointers.
3980         PR target/41145
3981         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Fix
3982         reporting of vector + decimal/boolean/complex error.
3984 2009-08-21  Jakub Jelinek  <jakub@redhat.com>
3986         * config/rs6000/rs6000.c (rs6000_init_builtins): Fix type of
3987         __vector double TYPE_DECL.
3989 2009-08-21  Richard Earnshaw  <rearnsha@arm.com>
3991         * arm.h (MACHMODE): New define.  Include insn-modes.h if available.
3992         (CUMULATIVE_ARGS): Use MACHMODE for declaration of aapcs_vfp_mode.
3993         * arm.c (aapcs_vfp_is_call_or_return_candidate): Change base_mode
3994         to pointer to enum machine_mode.  Update all callers as needed.
3996 2009-08-21 Uros Bizjak <ubizjak@gmail.com>
3998         * config/alpha/alpha.md (exception_receiver): Emit alternative
3999         GP load sequence if flag_reorder_blocks_and_partition is set.
4000         (*exception_receiver_2): Also enable when
4001         flag_reorder_blocks_and_partition is set.
4003 2009-08-20  Matt Rice  <ratmice@gmail.com>
4004             Diego Novillo  <dnovillo@google.com>
4006         * Makefile.in (PLUGIN_HEADERS): Include incpath.h and
4007         tree-ssa-sccvn.h.
4009 2009-08-20  Richard Guenther  <rguenther@suse.de>
4011         * c-objc-common.h (LANG_HOOKS_DUP_LANG_SPECIFIC_DECL): Do not define.
4012         * c-tree.h (c_dup_lang_specific_decl): Remove.
4013         (struct lang_decl, struct lang_type): Move definitions ...
4014         * c-lang.h: ... here.  New file.
4015         * c-decl.c: Include c-lang.h.
4016         (c_dup_lang_specific_decl): Remove.
4017         * c-typeck.c: Include c-lang.h.
4018         * Makefile.in (c-decl.o): Add c-lang.h dependency.
4019         (c-typeck.o): Likewise.
4020         * c-config-lang.in (gtfiles): Add c-lang.h.
4021         * gengtype.c (get_output_file_with_visibility): Handle c-lang.h
4022         like c-tree.h.
4024 2009-08-20  Uros Bizjak  <ubizjak@gmail.com>
4026         * config/alpha/alpha.c (alpha_end_function): Do not clear
4027         crtl->emit structure and free insn locators if cfun->is_thunk is true,
4028         this is now handled in generic code.
4030 2009-08-20  Andreas Krebbel  <krebbel1@de.ibm.com>
4032         * config/s390/s390.c (Z10_PREDICT_DISTANCE): New macro.
4033         (s390_z10_fix_long_loop_prediction): New function.
4034         (s390_z10_optimize_cmp): INSN walk moved to callee - s390_reorg.
4035         (s390_reorg): Walk over the INSNs and invoke
4036         s390_z10_fix_long_loop_prediction and s390_z10_optimize_cmp.
4038 2009-08-20  Andreas Krebbel  <krebbel1@de.ibm.com>
4040         * config/s390/s390.md ("*brx_stage1_<GPR:mode>", "*brxg_64bit",
4041         "*brx_64bit", "*brx_31bit"): New patterns.
4042         * config/s390/s390.c ('E'): New output modifier.
4044 2009-08-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
4045             Richard Earnshaw  <richard.earnshaw@arm.com>
4047         * config/arm/arm.c (arm_emit_movpair): Handle CONST_INT.
4048         * config/arm/arm.md (*arm_movtas_ze): New pattern for movt.
4050 2009-08-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4052         * pa.md (reload_inhi, reload_outhi, reload_inqi, reload_outqi): New
4053         patterns.
4054         * pa.c (emit_move_sequence): Check if address of operand1 is valid
4055         for mode mode of operand0 when doing secondary reload for SAR.
4057 2009-08-19  Jakub Jelinek  <jakub@redhat.com>
4059         PR middle-end/41123
4060         * expr.c (expand_expr_real_1) <normal_inner_ref>: Handle all kinds
4061         of CONCAT, not just bitpos 0 bitsize size of the whole CONCAT.
4063 2009-08-19  Jason Merrill  <jason@redhat.com>
4065         * doc/invoke.texi (C++ Dialect Options): Note change of minimum
4066         supported template depth in C++0x.
4068 2009-08-19  Jakub Jelinek  <jakub@redhat.com>
4070         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Don't call
4071         free_after_compilation.
4072         * config/score/score7.c (score7_output_mi_thunk): Likewise.
4073         * config/score/score3.c (score3_output_mi_thunk): Likewise.
4074         * config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
4075         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
4076         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
4077         * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
4078         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
4080 2009-08-19  Ian Lance Taylor  <iant@google.com>
4082         * doc/md.texi (Insn Canonicalizations): Correct canonicalization
4083         of (plus (mult (neg B) C) A).
4085 2009-08-18  Michael Matz  <matz@suse.de>
4087         * omp-low.c (optimize_omp_library_calls): Use types_compatible_p
4088         instead of comparing TYPE_MAIN_VARIANT for equality.
4089         * tree-vect-patterns.c (vect_recog_dot_prod_pattern,
4090         vect_recog_widen_mult_pattern, vect_recog_widen_sum_pattern): Ditto.
4091         * tree-vect-loop.c (vect_is_simple_reduction): Ditto.
4092         * gimplify.c (goa_lhs_expr_p): Ditto and use
4093         STRIP_USELESS_TYPE_CONVERSION.
4095 2009-08-18  Michael Matz  <matz@suse.de>
4097         * tree-ssa-structalias.c (create_variable_info_for): Also mark
4098         first field in a struct.
4099         (intra_create_variable_infos): Don't deal with flag_argument_noalias.
4101 2009-08-18  Uros Bizjak  <ubizjak@gmail.com>
4103         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Allocate insn
4104         locators before emit_insn is called.  Remove assert that
4105         cfun->is_thunk.
4106         (alpha_end_function): Clear crtl->emit structure and free insn
4107         locators if cfun->is_thunk is true.
4109 2009-08-18  Jason Merrill  <jason@redhat.com>
4111         * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
4112         type if available.
4113         * configure.ac: Test for it.
4114         * configure, config.in: Regenerate.
4115         * doc/install.texi: Document --enable-gnu-unique-object.
4117 2009-08-18  Richard Guenther  <rguenther@suse.de>
4119         PR middle-end/41094
4120         * builtins.c (fold_builtin_pow): Fold pow(pow(x,y),z) to
4121         pow(x,y*z) only if x is nonnegative.
4123 2009-08-18  Jakub Jelinek  <jakub@redhat.com>
4125         * bb-reorder.c (fix_up_fall_thru_edges): Only call invert_jump
4126         on jumps.
4128         PR target/40971
4129         * config/rs6000/rs6000.c (rs6000_legitimize_address): For
4130         [DT][FDI]mode ensure the offset isn't 4/8/12 bytes below 0x8000.
4132 2009-08-17  DJ Delorie  <dj@redhat.com>
4134         * config/m32c/m32c.md (UNS_FSETB, UNS_FREIT): New.
4135         * config/m32c/prologue.md (epilogue_freit): New.
4136         (fset_b): New.
4137         * config/m32c/m32c.c (m32c_function_needs_enter): Add prototype.
4138         (bank_switch_p): Likewise.
4139         (fast_interrupt_p): Likewise.
4140         (interrupt_p): Likewise.
4141         (m32c_conditional_register_usage): Round memregs size up.
4142         (need_to_save): We only need to save $a0 when we use ENTER.
4143         (interrupt_p): Check for fast_interrupt too.
4144         (bank_switch_p): New.
4145         (fast_interrupt_p): New.
4146         (m32c_attribute_table): Add bank_switch and fast_interrupt.
4147         (m32c_emit_prolog): Support bank switching and fast interrupts.
4148         * doc/extend.texi (Function Attributes): Add bank_switch and
4149         fast_interrupt.
4151 2009-08-17  Douglas B Rupp  <rupp@gnat.com>
4153         * config/alpha/alpha.c (vms_valid_pointer_mode): New function.
4154         * config/alpha/vms.h (TARGET_VALID_POINTER_MODE): Define.
4156 2009-08-16  Douglas B Rupp  <rupp@gnat.com>
4158         * doc/invoke.texi (Target options): Add new option list for IA-64/VMS.
4159         (menu): Add IA-64/VMS Options.
4160         (IA-64/VMS Options): Likewise.
4162 2009-08-16  Richard Sandiford  <rdsandiford@googlemail.com>
4164         PR target/38599
4165         * config/mips/mips.md (*lwxs): Use :P for pointer values.
4167 2009-08-16  Richard Sandiford  <rdsandiford@googlemail.com>
4169         * config/mips/mips-protos.h (mips_push_asm_switch): New function.
4170         (mips_pop_asm_switch): Likewise.
4171         * config/mips/mips.c (set_noreorder, set_nomacro, set_noat): Replace
4172         with...
4173         (mips_noreorder, mips_nomacro, mips_noat): ...these new variables.
4174         (mips_push_asm_switch_1, mips_pop_asm_switch_1): New functions.
4175         (mips_push_asm_switch, mips_pop_asm_switch): Likewise.
4176         (mips_print_operand_punctuation): Use them.  Check mips_noreorder
4177         instead of set_noreorder.
4178         (mips_output_function_prologue): Use the new functions.
4179         (mips_output_function_epilogue): Likewise.
4180         (mips_need_noat_wrapper_p): New function, split out from...
4181         (mips_final_prescan_insn, mips_final_postscan_insn): ...here.
4182         Use mips_push_asm_switch and mips_pop_asm_switch.
4183         * config/mips/mips.h (FUNCTION_PROFILER): Use mips_push_asm_switch
4184         and mips_pop_asm_switch.
4185         (ASM_OUTPUT_REG_POP): Likewise.
4186         (DBR_OUTPUT_SEQEND): Remove boilerplate comment.
4187         Use mips_pop_asm_switch.
4188         (mips_asm_switch): New structure.
4189         (set_noreorder, set_nomacro): Replace with...
4190         (mips_noreorder, mips_nomacro, mips_noat): ...these new variables.
4191         * config/mips/mips.md (fix_truncdfsi2_macro): Use mips_nomacro
4192         instead of set_nomacro.
4193         (fix_truncsfsi2_macro): Likewise.
4194         (cprestore): Likewise.
4195         (hazard): Use mips_noreorder instead of set_noreorder.
4196         * config/mips/sdemtk.h (FUNCTION_PROFILER): As for mips.h.
4198 2009-08-16  Uros Bizjak  <ubizjak@gmail.com>
4200         * config/alpha/alpha.c (alpha_end_function): Handle NULL_RTX returned
4201         from prev_active_insn.
4203 2009-08-16  Anatoly Sokolov  <aesok@post.ru>
4205         * config/avr/avr.h (AVR_HAVE_8BIT_SP): New macros.
4206         * config/avr/avr.c (avr_override_options): Initialize
4207         avr_current_arch variable.
4208         (avr_cpu_cpp_builtins): Define __AVR_HAVE_8BIT_SP__ or
4209         __AVR_HAVE_16BIT_SP__ according to the device type.
4210         (expand_prologue, output_movhi): Use AVR_HAVE_8BIT_SP instead of
4211         TARGET_TINY_STACK.
4212         (expand_epilogue): Use correct QI mode frame pointer for tiny stack.
4213         Use AVR_HAVE_8BIT_SP instead of TARGET_TINY_STACK.
4215 2009-08-16  Dodji Seketeli  <dodji@redhat.com>
4217         PR debug/37801
4218         * gcc/dwarf2out.c (gen_inlined_subroutine_die): Concentrate on
4219         generating inlined subroutine die only. We shouldn't be
4220         called for anything else.
4221         (gen_block_die): Don't generate inline subroutine debug info for
4222         abstract blocks.
4224 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
4226         * graphite-poly.c (print_pbb): Print PBB index.
4228 2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>
4230         PR middle-end/40981
4231         * graphite-interchange.c (ppl_max_for_le): Moved...
4232         * graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
4233         * graphite-ppl.c (ppl_max_for_le): ... here.  Correct the use of
4234         ppl_Pointset_Powerset_C_Polyhedron_maximize.
4235         * graphite-ppl.h (ppl_max_for_le): Declared.
4237 2009-08-14  Olatunji Ruwase <tjruwase@google.com>
4239         * doc/extend.texi (Symbol-Renaming Pragmas): redefine_extname is
4240         supported on all platforms.
4241         * target.h (struct gcc_target): Remove handle_pragma_redefine_extname.
4242         * c-cppbuiltin.c: Remove use of targetm.handle_pragma_redefine_extname.
4243         * c-pragma.c: Likewise.
4244         * target-def.h (TARGET_INITIALIZER): Remove
4245         TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME.
4246         * config/sol2.h: Remove use of TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME.
4248 2009-08-14  Douglas B Rupp  <rupp@gnat.com>
4250         * config/ia64/fde-vms.c: New file.
4251         * config/ia64/fde-glibc.c (_Unwind_FindTableEntry): Add dummy arg.
4252         * config/ia64/unwind-ia64.c (UNW_ accessors): Move to unwind-ia64.h
4253         (MD_UNW_COMPATIBLE_PERSONALITY_P): Provide default.
4254         (uw_frame_state_for): Only register a personality routine if it is
4255         known to be compatible with our expectations.
4256         (_Unwind_FindEnclosingFunction, uw_frame_state_for):
4257         Declare unw_table_entry stack variable and
4258         mod all calls to _Unwind_FindTableEntry to add arg.
4259         * config/ia64/unwind-ia64.h (UNW_ accessors): Move here.
4260         (_Unwind_FindTableEntry): Add arg to prototype.
4262 2009-08-14  Eric Botcazou  <ebotcazou@adacore.com>
4264         * config/ia64/unwind-ia64.c (struct _Unwind_Context): Add new
4265         field 'signal_pfs_loc'.
4266         (uw_frame_state_for): Remove duplicate code dealing with leaf
4267         procedures without unwind info.
4268         If in the frame after unwinding through a signal handler, restore
4269         the AR.PFS register instead of the CFM if AR.PFS has not been saved.
4270         * config/ia64/linux-unwind.h (ia64_fallback_frame_state): Do not set
4271         'pfs_loc' to the AR.PFS location in the signal context; instead
4272         set 'signal_pfs_loc'.
4273         Manually generate the unwind info for the AR.PFS register.
4274         (ABI_MARKER_OLD_LINUX_SIGTRAMP, ABI_MARKER_OLD_LINUX_INTERRUPT,
4275         ABI_MARKER_LINUX_SIGTRAMP, ABI_MARKER_LINUX_INTERRUPT): Define.
4276         (ia64_handle_unwabi): Test 'fs->unwabi' against them.
4277         Do not set 'pfs_loc' to the AR.PFS location in the signal context;
4278         instead set 'signal_pfs_loc'.
4279         Remove code preventing the AR.PFS register from being restored
4280         from the signal context.
4282 2009-08-14  Douglas B Rupp  <rupp@gnat.com>
4283             Tristan Gingold  <gingold@adacore.com>
4285         * config.gcc (ia64-hp-*vms*): Insert ia64/t-ia64 in tmake_file.
4286         * config/ia64/t-vms: New file.
4287         * config/ia64/vms64.h: New file.
4288         * config/ia64/vms.h: New file.
4289         * config/ia64/vms-crtinit.asm: New file.
4290         * config/ia64/vms_symvec_libgcc_s.opt: New file.
4291         * config/ia64/vms-unwind.h: New file.
4293 2009-08-14  Uros Bizjak  <ubizjak@gmail.com>
4295         * config/alpha/alpha.c (alpha_emit_conditional_move): Handle
4296         TFmode compares.
4298 2009-08-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4300         PR middle-end/30789
4301         * builtins.c (do_mpc_arg2): Make extern, define for any MPC version.
4302         Move declaration...
4303         * real.h (do_mpc_arg2): ... here.
4304         * fold-const.c (const_binop): Use MPC for complex MULT_EXPR
4305         and RDIV_EXPR.
4307 2009-08-14  Rafael Avila de Espindola  <espindola@google.com>
4309         * final.c (add_debug_prefix_map): Don't use GC memory for
4310         old_prefix and new_prefix.
4312 2009-08-14  Richard Guenther  <rguenther@suse.de>
4314         * ipa-prop.c (compute_complex_pass_through): If we cannot
4315         compute a non-varying offset for IPA_JF_ANCESTOR punt.
4317 2009-08-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4319         * c-lex.c (c_lex_with_flags): Increase size of local variable
4320         to avoid memory clobber.
4322 2009-08-14  Paolo Bonzini  <bonzini@gnu.org>
4324         PR target/40934
4325         * config/i386/i386.c (ix86_fp_comparison_strategy):
4326         Only enable/disable sahf at function granularity.
4328 2009-08-14  Hans-Peter Nilsson  <hp@axis.com>
4330         PR rtl-optimization/41064
4331         * reload1.c (reload_as_needed): Don't call extract_insn
4332         for known invalid replacements after calling
4333         validate_replace_rtx_group and verify_changes.
4335 2009-08-14  Uros Bizjak  <ubizjak@gmail.com>
4337         PR target/41019
4338         * config/i386/sse.md (SSEMODE124C8): New mode iterator.
4339         (vcond<SSEMODEF2P:mode>): Assert that operation is supported by
4340         ix86_expand_fp_vcond.
4341         (vcond<SSEMODE124C8:mode>): Use SSEMODE124C8 instead of SSEMODE124.
4342         Assert that operation is supported by ix86_expand_int_vcond.
4343         (vcondu<SSEMODE124C8:mode>): Ditto.
4345 2009-08-13  DJ Delorie  <dj@redhat.com>
4347         * config/i386/djgpp-stdint.h: New.
4348         * config.gcc (djgpp): Use it.
4350 2009-08-13  Kaz Kojima  <kkojima@gcc.gnu.org>
4352         * config/sh/sh.c (sh_override_options): When flag_exceptions or
4353         flag_unwind_tables is on, turn flag_reorder_blocks_and_partition off.
4355 2009-08-13  Ghassan Shobaki  <ghassan.shobaki@amd.com>
4357         * tree-ssa-loop-prefetch.c
4358         (prune_ref_by_group_reuse): Enhance probabilistic analysis
4359         for long-stride pruning.
4360         (compute_miss_rate): New function to compute the probability
4361         that two memory references access different cache lines.
4363 2009-08-13  Dave Korn  <dave.korn.cygwin@gmail.com>
4365         * gcc/config/i386/cygwin.h (LINK_SPEC): Add --enable-auto-image-base.
4367 2009-08-13  Richard Guenther  <rguenther@suse.de>
4369         PR middle-end/41047
4370         * tree-ssa-ccp.c (ccp_fold): When folding pointer additions
4371         use the constant pointer type.
4372         * gimplify.c (canonicalize_addr_expr): Canonicalize independent
4373         of CV qualifiers on the target pointer type.
4374         * tree-ssa.c (useless_type_conversion_p): Move incomplete pointer
4375         conversion check before restrict check.
4377 2009-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
4379         PR target/41029
4380         * config/sh/sh.md (reload_outdf__RnFRm+4): Fix thinko.
4382 2009-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
4384         * config/sh/sh.c (sh_promote_function_mode): Add ATTRIBUTE_UNUSED.
4386 2009-08-12  Richard Guenther  <rguenther@suse.de>
4388         PR tree-optimization/41011
4389         * ipa-cp.c (ipcp_lattice_from_jfunc): Deal with failing fold
4390         and reference constructing.
4392 2009-08-12  Xinliang David Li  <davidxl@google.com>
4394         PR tree-optimization/41012
4395         * tree-flow.h : New external interface.
4396         * gimple-low.c (check_call_arg): Change to public function.
4397         Remove argument mismatch check in lowering.
4398         * tree-inline.h (tree_can_inline_p): Interface change.
4399         * tree-inline.c (tree_can_inline_p): Fold argument mismatch check
4400         into this function.
4401         * ipa-inline.c (cgraph_decide_inlining_of_small_functions):
4402         Call change to tree_can_inline_p function.
4403         (cgraph_decide_inlining_incrementally): Ditto.
4405 2009-08-12  Richard Sandiford  <rdsandiford@googlemail.com>
4407         PR tree-optimization/41031
4408         * tree-outof-ssa.c (insert_value_copy_on_edge): Use promote_decl_mode
4409         on the partition variable rather than promote_mode on the source
4410         type.  Assert that the partition variable's type has the same
4411         mode as the source value's.
4413 2009-08-12  Paolo Bonzini  <bonzini@gnu.org>
4415         * doc/tm.texi (TARGET_PROMOTE_FUNCTION_MODE): Add documentation
4416         for for_return == 2.
4417         * function.c (assign_parm_setup_reg): Use for_return == 2, improve
4418         comments.
4419         * calls.c (expand_call): Fix typo.
4420         * explow.c (promote_decl_mode): Use for_return == 2 for RESULT_DECL
4421         and PARM_DECL.
4422         * stmt.c (expand_value_return): Use promote_function_mode to copy out
4423         of pseudo.
4424         * targhooks.c (default_promote_function_mode): Handle for_return == 2.
4425         * config/cris/cris.c (cris_promote_function_mode): Likewise.
4426         * config/mmix/mmix.c (mmix_promote_function_mode): Likewise.
4427         * config/pa/pa.c (pa_promote_function_mode): Likewise.
4429 2009-08-12  Andrew Haley  <aph@redhat.com>
4431         * config/arm/arm.c (arm_init_libfuncs): Add __sync_synchronize.
4433 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
4435         PR bootstrap/40103
4436         * graphite.c: Remove pragma GCC diagnostic warning "-Wc++-compat".
4438 2009-08-12  Richard Guenther  <rguenther@suse.de>
4440         * alias.c (get_alias_set): Honor TYPE_STRUCTURAL_EQUALITY_P.
4441         * gimplify.c (gimplify_modify_expr): Do not use
4442         lang_hooks.types_compatible_p.
4443         * tree-ssa.c (useless_type_conversion_p): For aggregates
4444         just return false if the canonical types differ.
4446 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
4448         PR middle-end/40980
4449         * sese.c (convert_for_phi_arg): New.
4450         (add_guard_exit_phis): Use convert_for_phi_arg.
4452 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
4454         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
4455         unknown subscript upper bounds.
4457 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
4458             Pranav Garg  <pranav.garg2107@gmail.com>
4460         * graphite-interchange.c (gather_access_strides): Removed.
4461         (ppl_max_for_le): New.
4462         (build_linearized_memory_access): New.
4463         (memory_stride_in_loop): New.
4464         (pbb_interchange_profitable_p): Reimplemented.
4465         * graphite-ppl.h (ppl_new_id_map): New.
4466         (ppl_interchange): New.
4468 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
4470         * graphite-interchange.c (compute_subscript): Removed.
4471         (compute_array_size_cstr): Removed.
4472         (compute_array_size_poly): Removed.
4473         (compute_array_size): Removed.
4474         (gather_access_strides_poly): Removed.
4475         (gather_access_strides): Empty.
4477 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
4479         * graphite-dependences.c (dependence_polyhedron_1): Replace
4480         pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
4481         (graphite_legal_transform_dr): Same.
4482         (graphite_carried_dependence_level_k): Same.
4483         * graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
4484         Initialize PDR_NB_SUBSCRIPTS.
4485         (print_pdr_access_layout): Replace pdr_nb_subscripts with
4486         PDR_NB_SUBSCRIPTS.
4487         * graphite-poly.h (struct poly_dr): Add nb_subscripts field.
4488         (PDR_NB_SUBSCRIPTS): New.
4489         (pdr_nb_subscripts): Removed.
4490         (pdr_dim): Simplified.
4491         * graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
4492         with PDR_NB_SUBSCRIPTS.
4494 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
4496         * graphite-interchange.c (compute_array_size): Remove use of
4497         PDR_DATA_CONTAINER.
4498         * graphite-poly.c (new_poly_dr): Remove argument data_container.
4499         Do not initialize PDR_DATA_CONTAINER.
4500         (print_pdr): Do not print PDR_DATA_CONTAINER.
4501         * graphite-poly.h (struct poly_dr): Remove data_container field.
4502         (PDR_DATA_CONTAINER): Removed.
4503         * graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
4504         PDR_DATA_CONTAINER.
4505         (build_poly_dr): Same.
4507 2009-08-12  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
4508             Sebastian Pop  <sebastian.pop@amd.com>
4510         * graphite-dependences.c (graphite_legal_transform_dr): Work on a
4511         copy of the dependence polyhedron.  Free the temporary objects.
4512         (graphite_carried_dependence_level_k): Free unused objects before
4513         returning.
4515         * testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
4516         * testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
4517         * testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
4518         * testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
4519         * testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.
4521 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
4523         * graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
4524         Early return without analyzing the data dependences if no
4525         transform has been done.  Call restore_scattering if the transform
4526         is not legal.
4527         (graphite-interchange.c): Same.
4528         * graphite-poly.c (print_scattering_function): Test for
4529         PBB_TRANSFORMED.
4530         (graphite_read_transforms): Initialize PBB_TRANSFORMED.
4531         (apply_poly_transforms): Do not gcc_assert that
4532         the transform is legal.
4533         (new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED and PBB_ORIGINAL.
4534         Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
4535         PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
4536         (free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
4537         * graphite-poly.h (struct poly_scattering): New.
4538         (struct poly_bb): Add original, transformed, and saved fields.
4539         Remove transformed_scattering, original_scattering,
4540         nb_local_variables and nb_scattering_transform fields.
4541         (PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
4542         (poly_scattering_new): New.
4543         (poly_scattering_free): New.
4544         (poly_scattering_copy): New.
4545         (store_scattering_pbb): New.
4546         (store_scattering): New.
4547         (restore_scattering_pbb): New.
4548         (restore_scattering): New.
4549         * graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
4550         Initialize PBB_TRANSFORMED and PBB_ORIGINAL.
4552 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
4554         * graphite-poly.c (print_pbb): Add parentheses in the pretty print.
4555         (print_scop): Same.
4557 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
4559         * Makefile.in (graphite.o): Depends on PREDICT_H.
4560         * graphite.c: Include predict.h.
4561         (graphite_finalize): Call tree_estimate_probability.
4562         * predict.c (predict_loops): Do not call scev_initialize and
4563         scev_finalize.
4564         (tree_estimate_probability_bb): New.
4565         (tree_estimate_probability): Do not initialize loops: move that
4566         code to the driver.  Call tree_estimate_probability_bb.
4567         (tree_estimate_probability_driver): New.
4568         (pass_profile): Use tree_estimate_probability_driver.
4569         * predict.h (tree_estimate_probability): Declared.
4571 2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
4573         * graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
4574         * graphite-dependences.c (graphite_legal_transform): Add time to
4575         TV_GRAPHITE_DATA_DEPS.
4576         (dependency_between_pbbs_p): Same.
4577         * timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.
4579 2009-08-12  Andrey Belevantsev  <abel@ispras.ru>
4581         PR rtl-optimization/41033
4582         * alias.c (nonoverlapping_component_refs_p): Punt when strict
4583         aliasing is disabled.
4585 2009-08-11  Adam Nemet  <anemet@caviumnetworks.com>
4587         * config/mips/predicates.md (qi_mask_operand, hi_mask_operand,
4588         si_mask_operand, and_load_operand, low_bitmask_operand,
4589         and_reg_operand, and_operand): New predicates.
4590         * config/mips/constraints.md (Yb, Yh, Yw, Yz): New constraints.
4591         * config/mips/mips.c (and_operands_ok): New function.
4592         * config/mips/mips-protos.h (and_operands_ok): Declare it.
4593         * config/mips/mips.md (move_type): Add ext_ins and logical.
4594         (type): Handle them.
4595         (and<mode>3): Use and_reg_operand as the second operand's predicate.
4596         (*and<mode>3): Add alternatives for lbu, lhu, lwu, <d>ext and
4597         shift_shift.  Remove commutative constraint modifier.
4598         (*and<mode>3_mips16): Add alternatives for lbu, lhu, lwu and
4599         shift_shift.
4600         (*clear_upper32_dext): Remove define_insn_and_split.
4601         (*clear_upper32): Turn this define_insn_and_split ...
4602         (splitter for ANDing register with 0xffff_ffff): .. into this.
4604 2009-08-11  Adam Nemet  <anemet@caviumnetworks.com>
4606         * combine.c (try_widen_shift_mode): Factor out code to check if an
4607         integer constant is a low-order bitmask from here ...
4608         * rtlanal.c (low_bitmask_len): ... to here.
4609         * rtl.h (low_bitmask_len): Declare.
4611 2009-08-11  Uros Bizjak  <ubizjak@gmail.com>
4613         PR target/8603
4614         * config/alpha/alpha.md (addsi3): Remove expander.
4615         (addsi3): Rename from *addsi3_internal insn pattern.
4616         (subsi3): Remove expander.
4617         (subsi3): Rename from *subsi3_internal insn pattern.
4619 2009-08-11  Douglas B Rupp  <rupp@gnat.com>
4621         * config/alpha/alpha.c (alpha_init_builtins): Nullify FWRITE and
4622         FWRITE_UNLOCKED.
4624 2009-08-11  Vasiliy Fofanov  <fofanov@adacore.com>
4625             Eric Botcazou  <botcazou@adacore.com>
4626             Douglas B Rupp  <rupp@gnat.com>
4628         * config/alpha/alpha.c (alpha_return_in_memory): On VMS, ensure
4629         that records that fit in 64 bits are returned by immediate value,
4630         as required by OpenVMS Calling Standard.
4631         (function_value): Adjust for above modification.
4632         (alpha_va_start) <TARGET_ABI_OPEN_VMS>: Use
4633         virtual_incoming_args_rtx as base object, not next_arg.
4634         * config/alpha/vms.h: (DEFAULT_PCC_STRUCT_RETURN): Define as 0.
4636 2009-08-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4638         * reload.c (find_reloads_subreg_address): Check the original
4639         req_equiv_mem address to detect the case where an address is
4640         not valid in the outer mode.
4642 2009-08-11  Richard Guenther  <rguenther@suse.de>
4644         PR bootstrap/40788
4645         * builtins.c (gimplify_va_arg_expr): Do not call SET_EXPR_LOCATION.
4647 2009-08-10  Douglas B Rupp  <rupp@gnat.com>
4649         * config/alpha/vms.h (OPTIMIZATION_OPTIONS): Remove
4650         (OVERRIDE_OPTIONS): Incorporate removed OPTIMIZATION_OPTIONS.
4652 2009-08-10  Olivier Hainque  <hainqueu@adacore.com>
4653             Douglas B Rupp  <rupp@gnat.com>
4655         * config/alpha/alpha.c (alpha_sa_size): Force procedure type to
4656         PT_STACK when frame_pointer_needed on OpenVMS.
4657         (alpha_pv_save_size, alpha_using_fp): Remove.
4658         (alpha_vms_can_eliminate): New function. Support for CAN_ELIMINATE
4659         with proper processing for PT_NULL.
4660         (alpha_vms_initial_elimination_offset): New function. Support for
4661         INITIAL_ELIMINATION_OFFSET with proper processing for PT_NULL.
4662         (alpha_sa_size): Force procedure type to PT_STACK when
4663         frame_pointer_needed on OpenVMS.
4664         * config/alpha/alpha-protos.h (alpha_pv_save_size): Remove prototype.
4665         (alpha_using_fp): Likewise.
4666         (alpha_vms_can_eliminate): Add prototype.
4667         (alpha_vms_initial_elimination_offset): Likewise.
4668         * config/alpha/vms.h (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET):
4669         Call alpha_vms_can_eliminate and alpha_vms_initial_elimination_offset.
4671 2009-08-10  Eric Botcazou  <botcazou@adacore.com>
4672             Douglas B Rupp  <rupp@gnat.com>
4674         * config/alpha/alpha.c (common_object_handler): New function.
4675         (vms_attribute_table): Declare a single attribute "common_object".
4676         (vms_output_aligned_decl_common): New global function.
4677         (SECTION_VMS_OVERLAY): Delete.
4678         (SECTION_VMS_GLOBAL): Likewise.
4679         (SECTION_VMS_INITIALIZE): Likewise.
4680         (vms_asm_named_section): Remove support for above flags.
4681         (vms_section_type_flags): Delete.
4682         (TARGET_SECTION_TYPE_FLAGS): Likewise.
4683         * config/alpha/alpha-protos.h (vms_output_aligned_decl_common): New.
4684         * config/alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Delete.
4685         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New macro.
4687 2009-08-10  SUGIOKA Toshinobu  <sugioka@itonet.co.jp>
4689         PR target/41015
4690         * longlong.h [__sh__] (udiv_qrnnd): Add T register to clobber list.
4691         (sub_ddmmss): Likewise.
4693 2009-08-10  Andreas Tobler  <a.tobler@schweiz.org>
4695         PR bootstrap/41018
4696         * config/rs6000/freebsd.h: Define SVR4_ASM_SPEC. Adjust copyright
4697         year.
4699 2009-08-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4701         PR target/37053
4702         * reload1.c (reload_as_needed): Use cancel_changes to completely
4703         undo a failed replacement attempt.
4705 2009-08-10  Richard Guenther  <rguenther@suse.de>
4707         PR middle-end/41006
4708         * tree-ssa.c (useless_type_conversion_p_1): Fold into ...
4709         (useless_type_conversion_p): ... here.  Require pointer targets
4710         to be compatible.
4712 2009-08-10  Dodji Seketeli  <dodji@redhat.com>
4714         PR c++/40866
4715         * tree-inline.c (copy_statement_list): The resulting copy shouldn't
4716         loose the original type of the statement list.
4718 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
4720         * config/alpha/alpha.c: Include libfuncs.h
4721         (avms_asm_output_extern): New function.
4722         (alpha_init_libfuncs): Init some decc libfuncs.
4723         * config/alpha/alpha-protos.h (avms_asm_output_external): Declare.
4724         * config/alpha/vms.h (ASM_OUTPUT_EXTERNAL): Define.
4725         (DO_CRTL_NAMES): Define.
4726         (LIB_SPEC): Remove.
4727         * config/alpha/vms64.h: (POINTERS_EXTEND_UNSIGNED): Remove undef.
4728         (LONG_TYPE_SIZE): Define.
4729         (TARGET_OS_CPP_BUILTINS): Define with __LONG_POINTERS=1
4730         (SUBTARGET_SWITCHES): Define malloc64 switch.
4731         (TARGET_DEFAULT): Default MASK_MALLOC64 set.
4732         (MASK_RETURN_ADDR): Define.
4733         doc/invoke.texi (mmalloc64): Document switch.
4735 2009-08-09  Olivier Hainque  <hainque@adacore.com>
4736             Douglas B Rupp  <rupp@gnat.com>
4738         * config/alpha/alpha.c (struct machine_function): New flag for VMS,
4739         uses_condition_handler.
4740         (alpha_expand_builtin_establish_vms_condition_handler): New expander.
4741         (alpha_expand_builtin_revert_vms_condition_handler): New expander.
4742         (enum alpha_builtin): New ALPHA_BUILTIN_REVERT_VMS_CONDITION_HANDLER
4743         and ALPHA_BUILTIN_ESTABLISH_VMS_CONDITION_HANDLER values.
4744         (code_for_builtin): New insn codes for the new alpha_builtins.
4745         (alpha_init_builtins): Register the new functions as BUILT_IN_MD.
4746         (alpha_sa_size): Account for uses_condition_handler.
4747         (alpha_expand_prologue): Likewise.
4748         (alpha_start_function): Likewise.
4749         (alpha_expand_epilogue): Likewise.
4750         * config/alpha/alpha-protos.h: Prototype the new alpha.c builtin
4751         establish/revert expanders.
4752         * config/alpha/alpha.h (DWARF_FRAME_REGNUM): Define.
4753         * config/alpha/alpha.md (builtin_establish_vms_condition_handler):
4754         New expander, resorting to the alpha.c associated function.
4755         (builtin_revert_vms_condition_handler): Likewise.
4756         * config/alpha/vms-gcc_shell_handler.c: New file. Implements
4757         __gcc_shell_handler, the static VMS condition handler used as
4758         an indirection wrapper to the current dynamically established
4759         handler.
4760         * config/alpha/vms-unwind.h: Complete rewrite.
4761         * config/alpha/t-vms (LIB2FUNCS_EXTRA): Add vms-gcc_shell_handler.c
4762         * config/alpha/vms.h (MD_UNWIND_SUPPORT):
4764 2009-08-09  Eric Botcazou  <botcazou@adacore.com>
4765             Douglas B Rupp  <rupp@gnat.com>
4767         * config/alpha/alpha.c (alpha_links): Add 'target' field.
4768         (alpha_need_linkage): Handle aliases.  Return function symbol.
4769         (alpha_use_linkage): Rename 'linkage' argument to 'func'.
4770         Use ultimate alias target for the linkage name.
4771         * config/alpha/alpha.md (movmemdi): Use the symbol returned
4772         by alpha_need_linkage for the function symbol.
4773         (setmemdi): Likewise.
4775 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
4777         * config/alpha/alpha.c (TARGET_ASM_UNALIGNED_*_OP): Define if on VMS.
4778         * config/alpha/vms.h (OBJECT_FORMAT_ELF): Define.
4779         (ASM_WEAKEN_LABEL): Define.
4780         (CRT_CALL_STATIC_FUNCTION): Define.
4781         (STARTFILE_SPEC): Add crtbegin.o crtbeginS.o.
4782         (ENDFILE_SPEC): Define.
4783         (INIT_SECTION_ASM_OP): Define.
4784         * config/alpha/vms-dwarf2eh.asm (__EH_FRAME_BEGIN__): Remove.
4785         * config/alpha/t-vms (EXTRA_PARTS): Add crtbegin.o crtbeginS.o
4786         crtend.o crtendS.o.
4787         (MULTILIB_OSDIRNAMES): Define.
4788         (shlib_version): Define.
4789         (SHLIB_EXT): Define.
4790         (SHLIB_OBJS): Define.
4791         (SHLIB_NAME): Define.
4792         (SHLIB_MULTILIB): Define.
4793         (SHLIB_INSTALL): Define.
4794         (SHLIB_SYMVEC): Define.
4795         (SHLIB_SYMVECX2): Define.
4796         (SHLIB_LINK): Define.
4798 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
4800         * config/alpha/alpha.c (alpha_initialize_trampoline):
4801         Initialize VMS trampoline IAW ABI for bounded procedure calls.
4802         (alpha_start_function): Emit transfer address on nested functions
4803         for VMS trampoline call.
4804         * config/alpha/t-vms (LIB2FUNCS_EXTRA): Remove vms_tramp.asm
4805         since no longer used.
4806         * config/alpha/vms-tramp.asm: Remove.
4807         * config/alpha/vms.h (TRAMPOLINE_TEMPLATE): Leave undefined
4808         since now only data initialized at runtime.
4810 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
4812         * config/alpha/vms.h (HANDLE_SYSV_PRAGMA): Define.
4813         (LINK_GCC_C_SEQUENCE_SPEC): Define.
4814         (MD_EXEC_PREFIX): Remove, no longer used.
4815         (MD_STARTFILE_PREFIX): Likewise.
4816         (INCLUDE_DEFAULTS): Likewise.
4817         * config/alpha/t-vms:
4818         (vms-dwarf2.o, vms-dwarf2eh.o): Use GCC_FOR_TARGET to compile.
4820 2009-08-09  Richard Guenther  <rguenther@suse.de>
4822         PR tree-optimization/41016
4823         * tree-ssa-ifcombine.c (get_name_for_bit_test): Fix tuplification bug.
4824         (operand_precision): Remove.
4825         (integral_operand_p): Likewise.
4826         (recognize_single_bit_test): Adjust.
4828 2009-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
4830         * c-common.c (c_fully_fold_internal): Issue a warning if a binary
4831         operation overflows.  Likewise non-cast unary arithmetic.
4832         If one arm of a conditional expression is always taken,
4833         inhibit evaluation warnings for the other arm.  Likewise inhibit
4834         evaluation warnings for the second && or || operand if the first
4835         operand is enough to determine the result.
4836         * c-typeck.c (build_conditional_expr): Apply the same inhibition
4837         rules here.
4838         (build_binary_op): Prevent duplicate evaluation warnings.
4840 2009-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
4842         * tree-out-of-ssa.c (insert_value_copy_on_edge): If the source
4843         and destination have different modes, Use promote_mode to
4844         determine the signedness of the conversion.  Assert that the
4845         promoted source mode matches the destination mode.  Don't pass
4846         the destination and destination mode to expand_expr if the source
4847         mode is different.  Simplify conversion logic.
4849 2009-08-09  Ira Rosen  <irar@il.ibm.com>
4851         PR tree-optimization/41008
4852         * tree-vect-loop.c (vect_is_simple_reduction): Get operands
4853         from condition only in case it's a comparison. Adjust checks.
4855 2009-08-09  Bernd Schmidt  <bernd.schmidt@analog.com>
4857         * tree-dfa.c (renumber_gimple_stmt_uids_in_blocks): New function.
4858         * tree-flow.h (renumber_gimple_stmt_uids_in_blocks): Declare it.
4859         * tree-ssa-loop-ivopts.c (comp_cost): Make COST an integer.
4860         (enum iv_position): Add IP_AFTER_USE and IP_BEFORE_USE.
4861         (dump_cand): Handle them.
4862         (struct iv_cand): New members COST_STEP and AINC_USE.
4863         (stmt_after_increment): Likewise.
4864         (stmt_after_inc_pos): Renamed from stmt_after_ip_original_pos.  All
4865         callers changed.  Use gimple_uid comparison instead of scanning.
4866         (add_candidate_1): When looking for identical candidates, take
4867         AINC_USE into account.  Set it for new candidates.
4868         (force_expr_to_var_cost): Cast target_spill_cost to int.
4869         (get_address_cost): New arguments STMT_AFTER_INC and MAY_AUTOINC.
4870         All callers changed.  Check for availability of autoinc addressing
4871         modes, both in general for a given mode, and in the specific use case.
4872         (get_computation_cost_at): New argument CAN_AUTOINC.  All callers
4873         changed.
4874         (get_computation_cost): Likewise.
4875         (autoinc_possible_for_pair, set_autoinc_for_original_candidates,
4876         add_autoinc_candidates): New static functions.
4877         (add_candidate): Call add_autoinc_candidates for candidates based on
4878         a USE_ADDRESS use.
4879         (find_iv_candidates): Call set_autoinc_for_original_candidates.
4880         (determine_use_iv_cost_address): If we have an autoinc candidate at
4881         the matching use, verify autoinc is possible and subtract the cost
4882         of the candidate's step from the cost.
4883         (determine_iv_cost): Record the cost of the increment in the COST_STEP
4884         member of the candidate.
4885         (tree_ssa_iv_optimize_loop): Swap the calls to determine_iv_costs and
4886         determine_use_iv_costs.  Call renumber_gimple_stmt_uids_in_blocks.
4888 2009-08-09  Douglas B Rupp  <rupp@gnat.com>
4890         * config.build (ia64-hp-*vms*): New target.
4891         (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
4892         with ia64-hp-*vms*.
4893         * config.gcc (ia64-hp-*vms*): New target.
4894         (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
4895         with ia64-hp-*vms*.
4896         * config.host (ia64-hp-*vms*): New target.
4897         (alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
4898         with ia64-hp-*vms*.
4900 2009-08-08  Richard Guenther  <rguenther@suse.de>
4902         PR tree-optimization/40991
4903         * tree-ssa-pre.c (eliminate): Delay purging EH edges.
4905 2009-08-08  Richard Sandiford  <rdsandiford@googlemail.com>
4907         * combine.c (gen_lowpart_or_truncate): Exclude CONST_INTs from
4908         mode check.  Do truncations in an integer mode.
4909         (force_to_mode): Handle subregs for all mode types.  Only do
4910         arithmetic simplifications on integer modes.
4912 2009-08-07  Richard Guenther  <rguenther@suse.de>
4914         PR tree-optimization/40999
4915         * tree-ssa-ccp.c (get_symbol_constant_value): Handle CONST_DECLs.
4916         (maybe_fold_reference): Lookup constant initializers.
4917         (fold_gimple_assign): Likewise.
4919 2009-08-07  Richard Guenther  <rguenther@suse.de>
4921         * tree-ssa.c (useless_type_conversion_p_1): Only for types
4922         that require structural equality defer to the langhook.
4924 2009-08-07  Martin Jambor  <mjambor@suse.cz>
4926         * ipa-prop.h (enum jump_func_type): New value IPA_JF_ANCESTOR, changed
4927         comments.
4928         (struct ipa_pass_through_data): New type.
4929         (struct ipa_ancestor_jf_data): New type.
4930         (union jump_func_value): Removed field formal_id, added fields
4931         pass_through and ancestor.
4932         (struct ipa_param_call_note): Changed type of formal_id to int from
4933         unsigned.
4934         * ipa-prop.c (ipa_print_node_jump_functions): Print pass through with
4935         operations jump functions and ancestor jump functions.
4936         (compute_complex_pass_through): New function.
4937         (compute_scalar_jump_functions): Call compute_complex_pass_through,
4938         reflect changes in the jump function strucutre.
4939         (update_jump_functions_after_inlining): Ignore complex pass-through
4940         and ancestor jump functions.
4941         * ipa-cp.c (ipcp_lattice_from_jfunc): Added support for ancestor and
4942         polynomial pass-through with operation jump functions.
4944 2009-08-07  Jakub Jelinek  <jakub@redhat.com>
4946         * dwarf2out.c (output_fde): When doing hot/cold partitioning, use
4947         fde->dw_fde_begin as begin label instead of hot/cold label.
4948         Use LLSDAC label instead of LLSDA for second section lsda.
4949         (dwarf2out_do_cfi_startproc): Add SECOND argument.  Use LLSDAC
4950         label instead of LLSDA if it is true.
4951         (dwarf2out_begin_prologue, dwarf2out_switch_text_section): Adjust
4952         callers.
4953         * except.c (add_call_site, dw2_size_of_call_site_table): Add
4954         SECTION argument.  Use it as index into crtl->eh.call_site_record
4955         array.
4956         (dw2_output_call_site_table): Likewise.  Add CS_FORMAT argument,
4957         use it to determine how to print table entries instead of using
4958         #ifdef HAVE_AS_LEB128.  For SECTION > 0 use hot resp. cold
4959         label instead of normal begin label as base.
4960         (sjlj_assign_call_site_values): Adjust add_call_site caller.
4961         (convert_to_eh_region_ranges): When doing hot/cold partitioning,
4962         ensure no EH range spans between sections and that landing pads
4963         are always in the corresponding section.
4964         (sjlj_size_of_call_site_table, sjlj_output_call_site_table): Adjust
4965         for crtl->eh.call_site_record being an array rather than scalar.
4966         (output_one_function_exception_table): New function, copied
4967         from output_function_exception_table.  Adjust
4968         dw2_size_of_call_site_table, dw2_output_call_site_table
4969         callers.  For SECOND section use *C suffixed labels.
4970         (output_function_exception_table): Call
4971         output_one_function_exception_table and, when doing hot/cold
4972         partitioning, also another time for the second section.
4973         * opts.c: Include except.h.
4974         (decode_options): Allow -freorder-blocks-and-partition with
4975         exceptions, unless SJLJ or TARGET_UNWIND_INFO.
4976         * Makefile.in (opts.o): Depend on $(EXCEPT_H).
4977         * function.h (struct rtl_eh): Change call_site_record from
4978         scalar into array of 2 elements.
4980 2009-08-07  Martin Jambor  <mjambor@suse.cz>
4982         * ipa-prop.c (count_formal_params_1): New function.
4983         (ipa_get_vector_of_formal_parms): New function.
4984         (get_vector_of_formal_parm_types): New function.
4985         (ipa_modify_formal_parameters): New function.
4986         (ipa_modify_call_arguments): New function.
4987         (index_in_adjustments_multiple_times_p): New function.
4988         (ipa_combine_adjustments): New function.
4989         (ipa_dump_param_adjustments): New function.
4990         * ipa-prop.h (struct ipa_parm_adjustment): New type.
4991         (ipa_get_vector_of_formal_parms): Declare.
4992         (ipa_modify_formal_parameters): Declare.
4993         (ipa_modify_call_arguments): Declare.
4994         (ipa_combine_adjustments): Declare.
4995         (ipa_dump_param_adjustments): Declare.
4996         (build_ref_for_offset): Declare.
4997         * Makefile.in (tree-sra.o): Add ipa-prop.h to dependencies.
4998         * tree-sra.c: Include ipa-prop.c.
4999         (build_ref_for_offset): Make public.
5001 2009-08-06  Neil Vachharajani  <nvachhar@gmail.com>
5003         * value-prof.c (init_pid_map): Replace xmalloc with XCNEWVEC.
5005 2009-08-06  Thomas Schwinge  <tschwinge@gnu.org>
5007         * gcc/doc/extend.texi (__builtin_extract_return_address)
5008         (__builtin_frob_return_address): Document.
5010 2009-08-06  Paul Brook  <paul@codesourcery.com>
5012         * config/arm/lib1funcs.asm (ARM_DIV_BODY): Add Thumb-2 implementation.
5013         (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Only use Thumb-1
5014         implementation on ARMv6-M.
5016 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
5018         * doc/extend.texi (pcs): Document new attribute for ARM.
5020 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
5022         * arm.c (pcs_attribute_args): Comment out unsupported attribute
5023         variants.
5025 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
5027         * arm.c (arm_handle_pcs_attribute): Pass the entire name object to
5028         warning ().
5030 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
5032         * arm.c (arm_handle_pcs_attribute): Use %qE in warning.
5034 2009-08-06  Richard Earnshaw  <rearnsha@arm.com>
5036         Merge ARM/hard_vfp_branch to trunk.
5038         2009-08-04  Richard Earnshaw  <rearnsha@arm.com>
5040         * arm.c (libcall_eq): New function.
5041         (libcall_hash): New function.
5042         (add_libcall): New function.
5043         (arm_libcall_uses_aapcs_base): New function.
5044         (arm_libcall_value): Use arm_libcall_uses_aapcs_base to check for
5045         libcalls using the base PCS.
5046         (arm_init_cumulative_args): Likewise.
5048         2009-07-20  Joseph Myers  <joseph@codesourcery.com>
5050         * config/arm/arm.c (arm_libcall_value, arm_init_cumulative_args):
5051         Use base ABI for conversion libfuncs between HFmode and SFmode.
5053         2009-05-12  Joseph Myers  <joseph@codesourcery.com>
5055         * config/arm/arm.c (aapcs_vfp_sub_candidate): Use V2SImode and
5056         V4SImode as representatives of all 64-bit and 128-bit vector
5057         types.  Allow vector types without vector modes.
5058         (aapcs_vfp_is_call_or_return_candidate): Handle vector types
5059         without vector modes like BLKmode.
5060         (aapcs_vfp_allocate): Handle TImode for non-TARGET_NEON like
5061         BLKmode.  Avoid unsupported vector modes or TImode moves for
5062         non-TARGET_NEON.
5063         (aapcs_vfp_allocate_return_reg): Likewise.
5064         (arm_vector_mode_supported_p): Only support V2SImode, V4HImode and
5065         V8QImode if TARGET_NEON || TARGET_IWMMXT.
5067         2009-05-12  Joseph Myers  <joseph@codesourcery.com>
5069         * config/arm/arm.c (arm_handle_pcs_attribute): New.
5070         (arm_get_pcs_model): Pass attribute arguments to
5071         arm_pcs_from_attribute.
5072         (arm_init_cumulative_args): Use base AAPCS for conversions from
5073         floating-point types to DImode.
5074         (arm_attribute_table): Add pcs attribute.
5075         (arm_handle_pcs_attribute): New.
5076         * config/arm/bpabi.h (DECLARE_LIBRARY_RENAMES): When renaming
5077         conversions from floating-point types to DImode, also declare them
5078         to use base AAPCS and declare functions they call to use base
5079         AAPCS and their RTABI names.
5081         2009-05-12  Joseph Myers  <joseph@codesourcery.com>
5083         * doc/invoke.texi (-mfloat-abi=@var{name}): Remove statement about
5084         -mfloat-abi=hard not being supported for VFP.
5086         2009-05-11  Kazu Hirata  <kazu@codesourcery.com>
5088         * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Pass a libcall
5089         SYMBOL_REF to hard_libcall_value.
5091         2009-03-05  Joseph Myers  <joseph@codesourcery.com>
5092             Richard Earnshaw  <rearnsha@arm.com>
5094         * config/arm/arm.c (aapcs_layout_arg): Once a co-processor argument
5095         has been put on the stack, all remaining co-processory arguments for
5096         that co-processor also go on the stack.
5098         2009-03-05  Joseph Myers  <joseph@codesourcery.com>
5100         * config/arm/arm.c (arm_return_in_memory): Handle returning
5101         vectors of suitable size in registers also for AAPCS case.
5103         2009-01-13  Richard Earnshaw <rearnsha@arm.com>
5105         * doc/tm.texi (TARGET_LIBCALL_VALUE): Add missing end statement.
5107         2008-12-09  Richard Earnshaw <rearnsha@arm.com>
5109         ARM Hard-VFP calling convention
5110         * target-def.h (TARGET_LIBCALL_VALUE): New hook.
5111         * target.h (gcc_target): Add libcall_value to table of call hooks.
5112         * targhooks.h (default_libcall_value): Default implementation.
5113         * targhooks.c (default_libcall_value): Likewise.
5114         * doc/tm.texi (TARGET_LIBCALL_VALUE): Document it.
5115         * optabs.c (expand_unop): Use it.
5116         * expr.h (hard_libcall_value): Pass the function RTX through.
5117         * calls.c (emit_library_call_value_1): Update call to
5118         hard_libcall_value.
5119         * explow.c (hard_libcall_value): Use new target hook.
5120         * testsuite/lib/target-supports.exp
5121         (check_effective_target_arm_hard_vfp_ok): New hook.
5122         (check_effective_target_arm_neon_ok): Improve test for neon
5123         availability.
5124         * testsuite/gcc.target/arm/eabi1.c: Only run test in base variant.
5125         * config/arm/arm.c: Include cgraph.h
5126         (TARGET_FUNCTION_VALUE): Override default hook.
5127         (arm_pcs_default): New variable.
5128         (arm_override_options): Don't fault hard calling convention with VFP.
5129         Add support for AAPCS variants.
5130         (arm_function_value): Make static.  Handle AAPCS variants.
5131         (arm_libcall_value): New function.
5132         (arm_apply_result_size): Handle VFP registers in results.
5133         (arm_return_in_memory): Rework all AAPCS variants; handle hard-vfp
5134         conventions.
5135         (pcs_attribute_args): New variable.
5136         (arm_pcs_from_attribute): New function.
5137         (arm_get_pcs_model): New function.
5138         (aapcs_vfp_cum_init): New function.
5139         (aapcs_vfp_sub_candidate): New function.
5140         (aapcs_vfp_is_return_candidate): New function.
5141         (aapcs_vfp_is_call_candidate): New function.
5142         (aapcs_vfp_allocate): New function.
5143         (aapcs_vfp_allocate_return_reg): New function.
5144         (aapcs_vfp_advance): New function.
5145         (aapcs_cp_arg_layout): New variable.
5146         (aapcs_select_call_coproc): New function.
5147         (aapcs_select_return_coproc): New function.
5148         (aapcs_allocate_return_reg): New function.
5149         (aapcs_libcall_value): New function.
5150         (aapcs_layout_arg): New function.
5151         (arm_init_cumulative_args): Initialize AAPCS args data.
5152         (arm_function_arg): Handle AAPCS variants using new interface.
5153         (arm_arg_parital_bytes): Likewise.
5154         (arm_function_arg_advance): New function.
5155         (arm_function_ok_for_sibcall): Ensure that sibling calls agree on
5156         calling conventions.
5157         (arm_setup_incoming_varargs): Handle new AAPCS args data.
5158         * arm.h (NUM_VFP_ARG_REGS): Define.
5159         (LIBCALL_VALUE): Update.
5160         (FUNCTION_VALUE): Delete.
5161         (FUNCTION_VALUE_REGNO_P): Add VFP regs.
5162         (arm_pcs): New enum.
5163         (CUMULATIVE_ARGS): New data to support AAPCS argument marshalling.
5164         (FUNCTION_ARG_ADVANCE): Call arm_function_arg_advance.
5165         (FUNCTION_ARG_REGNO_P): Add VFP regs.
5166         * arm-protos.h (arm_function_arg_advance): Add.
5167         (aapcs_libcall_value): Add.
5168         (arm_function_value): Delete.
5170 2009-08-06  Uros Bizjak  <ubizjak@gmail.com>
5171             H.J. Lu  <hongjiu.lu@intel.com>
5173         PR target/40957
5174         * config/i386/i386.c (standard_sse_mode_p): Remove.
5175         (standard_sse_constant_p): Return 2 for integer mode
5176         vector_all_ones_operand when SSE2 is enabled.
5177         (standard_sse_constant_opcode)<case 2>: Always return [v]pcmpeqd.
5178         (ix86_expand_vector_move): Do not check for negative values from
5179         standard_sse_constant_p.
5181 2009-08-06  Richard Guenther  <rguenther@suse.de>
5183         * tree-ssa.c (useless_type_conversion_p_1): Make function and
5184         array type comparisons frontend independent.
5185         * Makefile.in (tree-ssa.o): Add $(TARGET_H) dependency.
5186         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Always fill
5187         out array reference lower bound and element size operands.
5188         (ao_ref_init_from_vn_reference): Properly compute the offset
5189         for ARRAY_RANGE_REF.
5190         (vn_reference_fold_indirect): Fill out array reference lower
5191         bound and element size operands.
5192         * tree-ssa-pre.c (phi_translate_1): Fail if we have to translate
5193         a non gimple valued reference operand which can happen for
5194         array reference lower bound or element size.
5195         (create_component_ref_by_pieces_1): Properly generate the
5196         element size operand for array references.
5198 2009-08-06  Richard Guenther  <rguenther@suse.de>
5200         PR tree-optimization/40964
5201         * tree.c (iterative_hash_host_wide_int): Export.
5202         * tree.h (iterative_hash_host_wide_int): Declare.
5203         * tree-ssa-structalias.c (heapvar_map): New struct.
5204         (heapvar_map_eq): New function.
5205         (heapvar_map_hash): Likewise.
5206         (heapvar_lookup): Adjust.
5207         (heapvar_insert): Likewise.
5208         (make_constraint_from_heapvar): Allow multiple heap variables
5209         per decl at different offsets.
5210         (init_alias_heapvars): Adjust.
5212 2009-08-04  David Daney  <ddaney@caviumnetworks.com>
5214         * config/mips/mips.h (TARGET_SYNC_AFTER_SC): New macro.
5215         * mips_output_sync_loop (mips_output_sync_loop): Only emit
5216         trailing sync if TARGET_SYNC_AFTER_SC.
5218 2009-08-05  David Daney  <ddaney@caviumnetworks.com>
5220         * gcc/config/mips/sync.md (sync_compare_and_swap<mode>,
5221         compare_and_swap_12, sync_add<mode>, sync_<optab>_12,
5222         sync_old_<optab>_12, sync_new_<optab>_12, sync_nand_12,
5223         sync_old_nand_12, sync_new_nand_12, sync_sub<mode>,
5224         sync_old_add<mode>, sync_old_sub<mode>, sync_new_add<mode>,
5225         sync_new_sub<mode>, sync_<optab><mode>, sync_old_<optab><mode>,
5226         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
5227         sync_new_nand<mode>, sync_lock_test_and_set<mode>,
5228         test_and_set_12): Rewrite calls to mips_output_sync_loop.
5229         * gcc/config/mips/mips-protos.h (mips_output_sync_loop): Make
5230         the prototype declaration match the definition.
5231         * gcc/config/mips/mips.c (mips_output_sync_loop):  Emit sync
5232         instructions explicitly.  Add barrier_before and operands
5233         parameters.
5234         * gcc/config/mips/mips.h (MIPS_COMPARE_AND_SWAP,
5235         MIPS_COMPARE_AND_SWAP_12, MIPS_SYNC_OP, MIPS_SYNC_OP_12,
5236         MIPS_SYNC_OLD_OP_12, MIPS_SYNC_NEW_OP_12, MIPS_SYNC_OLD_OP,
5237         MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND,
5238         MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE,
5239         MIPS_SYNC_EXCHANGE_12): Remove sync instructions.
5241 2009-08-05  Andrew Pinski  <pinskia@gmail.com>
5243         * tree-ssa-alias.c: Fix intervals to use [) syntax.
5245 2009-08-05  Uros Bizjak  <ubizjak@gmail.com>
5246             Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
5248         PR target/40906
5249         * config/i386/i386.c (ix86_split_long_move): Fix push of multi-part
5250         source operand.
5252 2009-08-05  Jakub Jelinek  <jakub@redhat.com>
5254         PR rtl-optimization/40924
5255         * dse.c (canon_address): Before calling cselib_expand_value_rtx
5256         make sure canon_rtx (mem_address) isn't simpler than
5257         canon_rtx (expanded_mem_address).
5259 2009-08-05  Li Feng  <nemokingdom@gmail.com>
5261         * graphite-sese-to-poly.c (build_pbb_drs): Remove build alias set
5262         for each poly_bb_p.
5263         (build_scop_drs): Build alias set for each SCoP.
5265 2009-08-04  Sandra Loosemore  <sandra@codesourcery.com>
5267         * doc/invoke.texi (MIPS Options): Document new 1004K -march options.
5268         * config/mips/mips.c (mips_cpu_info_table): Add 1004K cores.
5269         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Add pattern for 1004K.
5270         (MIPS_ARCH_FLOAT_SPEC): Likewise.
5271         (BASE_DRIVER_SELF_SPECS): Likewise.
5273 2009-08-04  Andrew Pinski  <pinskia@gmail.com>
5275         * tree-ssa-alias.c: Fix some comment typos.
5277 2009-08-04  Kaz Kojima  <kkojima@gcc.gnu.org>
5279         * config/sh/linux-atomic.asm (ATOMIC_BOOL_COMPARE_AND_SWAP,
5280         ATOMIC_OP_AND_FETCH, ATOMIC_COMBOP_AND_FETCH): Define.
5282 2009-08-03  Janis Johnson  <janis187@us.ibm.com>
5284         PR c/39902
5285         * simplify-rtx.c (simplify_binary_operation_1): Disable
5286         simplifications for decimal float operations.
5288 2009-08-03  Jakub Jelinek  <jakub@redhat.com>
5290         PR middle-end/40943
5291         * tree-ssa.c (warn_uninitialized_var): Even on LHS warn for
5292         operand of INDIRECT_REF.
5294 2009-08-03  Uros Bizjak  <ubizjak@gmail.com>
5296         * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject CONST
5297         constants referencing TLS symbols.
5299 2009-08-03  SUGIOKA Toshinobu  <sugioka@itonet.co.jp>
5301         * config/sh/linux-atomic.asm (ATOMIC_COMPARE_AND_SWAP): Rename
5302         __sync_compare_and_swap_* to __sync_val_compare_and_swap_*.
5304 2009-08-03  Richard Guenther  <rguenther@suse.de>
5306         * tree.c (make_vector_type): Build a main variant first,
5307         get the canonical one and then build the variant.
5308         * tree-ssa.c (useless_type_conversion_p_1): Handle
5309         fixed-point types.
5310         (useless_type_conversion_p): Conversions to pointers to
5311         incomplete record types are useless.
5313 2009-08-03  Richard Guenther  <rguenther@suse.de>
5315         * tree-cfg.c (pass_warn_unused_result): Mark name that no dump
5316         file will be created.
5317         * omp-low.c (pass_diagnose_omp_blocks): Likewise.
5318         * toplev.c (compile_file): Adjust comment.
5320 2009-08-03  Kaz Kojima  <kkojima@gcc.gnu.org>
5322         * config/sh/sh-protos.h (sh_promote_function_mode): Remove.
5323         * config/sh/sh.c (sh_promote_function_mode): Wrap long lines.
5324         (TARGET_PROMOTE_FUNCTION_MODE): Define.
5325         (TARGET_PROMOTE_FUNCTION_ARGS): Remove.
5326         (sh_promote_function_mode): Fix typo.
5328 2009-08-03  Andreas Krebbel  <krebbel1@de.ibm.com>
5330         * explow.c (promote_mode): Mark TYPE and PUNSIGNEDP as possibly unused.
5332 2009-08-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5334         * pa.c (pa_promote_function_mode): Remove ATTRIBUTE_UNUSED from
5335         declaration arguments.
5337 2009-08-02  Uros Bizjak  <ubizjak@gmail.com>
5339         * config/i386/i386.c (ix86_expand_fp_compare): Use const0_rtx instead
5340         of GEN_INT (0x00) and const1_rtx instead of GEN_INT (0x01).
5341         (ix86_split_ashl): Ditto.
5342         (ix86_expand_vector_init_one_nonzero): Ditto.
5343         (ix86_expand_vector_set): Ditto.
5344         (ix86_expand_reduc_v4sf): Ditto.
5346 2009-08-02  Paolo Bonzini  <bonzini@gnu.org>
5348         * explow.c (promote_function_mode): Remove assert.
5349         * config/sh/sh.c (sh_promote_function_mode): Declare.
5351 2009-08-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5353         * config/pa/pa.c (pa_promote_function_mode): Declare.
5354         Change to static.  Fix promote_mode call.
5356         * gthr-dce.h (CONST_CAST2): Define if not defined.
5357         (__gthread_setspecific): Use CONST_CAST2 to fix warning.
5359         * config.gcc (hppa[12]*-*-hpux10*): Add stdint support.
5361 2009-08-01  Paolo Bonzini  <bonzini@gnu.org>
5363         * expr.c (store_constructor): Use promote_decl_mode.  Remove
5364         now write-only variable unsignedp.
5365         (expand_expr_real_1): Use promote_decl_mode.
5366         * expr.h (promote_function_mode, promote_decl_mode): New.
5367         (promote_mode): Remove last argument.
5368         * function.c (assign_temp): Drop last argument of promote_mode.
5369         (assign_parm_find_data_types): Use promote_function_mode.
5370         (assign_parm_setup_reg): Likewise.
5371         (expand_function_end): Use promote_function_mode.
5372         * calls.c (initialize_argument_information): Use promote_function_mode.
5373         (precompute_arguments): Use promote_mode instead of checking if
5374         only PROMOTE_FUNCTION_MODE is defined.
5375         (expand_call): When making sibcall decisions, use promote_function_mode.
5376         Below, remove an if for targetm.calls.promote_function_return and
5377         and use promote_function_mode.
5378         (emit_library_call_value_1): Use promote_function_mode, fix bug
5379         where promote_mode was passed FOR_CALL == 0 for a return value in an
5380         assertion.
5381         * cfgexpand.c (expand_one_register_var): Use promote_decl_mode.
5382         * explow.c (promote_function_mode, promote_decl_mode): New.
5383         (promote_mode): Keep only the FOR_CALL == 0 case.
5384         * combine.c (setup_incoming_promotion): Remove test of
5385         promote_function_args.  Use promote_function_mode.
5386         * stmt.c (expand_value_return): Use promote_decl_mode.
5387         (expand_decl): Use promote_decl_mode.
5389         * expr.c (store_constructor): Use promote_decl_mode.  Remove
5390         now write-only variable unsignedp.
5391         (expand_expr_real_1): Use promote_decl_mode.
5392         * expr.h (promote_function_mode, promote_decl_mode): New.
5393         (promote_mode): Remove last argument.
5394         * function.c (assign_temp): Drop last argument of promote_mode.
5395         (assign_parm_find_data_types): Use promote_function_mode.
5396         (assign_parm_setup_reg): Likewise.
5397         (expand_function_end): Use promote_function_mode.
5398         * calls.c (initialize_argument_information): Use promote_function_mode.
5399         (precompute_arguments): Use promote_mode instead of checking if
5400         only PROMOTE_FUNCTION_MODE is defined.
5401         (expand_call): When making sibcall decisions, use promote_function_mode.
5402         Below, remove an if for targetm.calls.promote_function_return and
5403         and use promote_function_mode.
5404         (emit_library_call_value_1): Use promote_function_mode, fix bug
5405         where promote_mode was passed FOR_CALL == 0 for a return value in an
5406         assertion.
5407         * cfgexpand.c (expand_one_register_var): Use promote_decl_mode.
5408         * explow.c (promote_function_mode, promote_decl_mode): New.
5409         (promote_mode): Keep only the FOR_CALL == 0 case.
5410         * combine.c (setup_incoming_promotion): Remove test of
5411         promote_function_args.  Use promote_function_mode.
5412         * stmt.c (expand_value_return): Use promote_decl_mode.
5413         (expand_decl): Use promote_decl_mode.
5415         * explow.c (promote_function_mode): Just call the target hook.
5416         * targhooks.c (default_promote_function_mode,
5417         default_promote_function_mode_always_promote): New.
5418         * targhooks.h (default_promote_function_mode,
5419         default_promote_function_mode_always_promote): Declare.
5420         * target.h (promote_function_args, promote_function_return): Remove.
5421         (promote_function_mode): New.
5422         * target-def.h (TARGET_PROMOTE_FUNCTION_ARGS,
5423         TARGET_PROMOTE_FUNCTION_RETURN): Remove.
5424         (TARGET_PROMOTE_FUNCTION_MODE): New.
5425         (TARGET_CALLS): Adjust.
5426         * system.h (TARGET_PROMOTE_FUNCTION_ARGS,
5427         TARGET_PROMOTE_FUNCTION_RETURN, PROMOTE_FUNCTION_MODE): Poison.
5429         * config/s390/s390.h (PROMOTE_FUNCTION_MODE): Move...
5430         * config/s390/s390.c (s390_promote_function_mode): ... here,
5431         with pointer handling.
5432         (TARGET_PROMOTE_FUNCTION_MODE): Define.
5433         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
5435         * config/sparc/sparc.h (PROMOTE_FUNCTION_MODE): Move...
5436         * config/sparc/sparc.c (sparc_promote_function_mode): ... here,
5437         with pointer handling.
5438         (TARGET_PROMOTE_FUNCTION_MODE): Define.
5439         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
5441         * config/sh/sh-protos.h (sh_promote_function_mode): New.
5442         * config/sh/sh.c (sh_promote_function_mode): New.
5443         (TARGET_PROMOTE_FUNCTION_MODE): Define.
5444         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
5446         * config/cris/cris.h (PROMOTE_FUNCTION_MODE): Move...
5447         * config/cris/cris.c (cris_promote_function_mode): ... here.
5448         (TARGET_PROMOTE_FUNCTION_MODE): Define.
5449         (TARGET_PROMOTE_FUNCTION_ARGS): Remove.
5451         * config/mmix/mmix.h (PROMOTE_FUNCTION_MODE): Move...
5452         * config/mmix/mmix.c (mmix_promote_function_mode): ... here.
5453         (TARGET_PROMOTE_FUNCTION_MODE): Define.
5454         (TARGET_PROMOTE_FUNCTION_ARGS): Remove.
5456         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Move...
5457         * config/arm/arm.c (arm_promote_function_mode): ... here, without
5458         complex type handling.
5459         (TARGET_PROMOTE_FUNCTION_MODE): Define.
5460         (TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.
5462         * config/pa/pa.c (pa_promote_function_mode): New.
5463         (TARGET_PROMOTE_FUNCTION_MODE): Define.
5464         (TARGET_PROMOTE_FUNCTION_RETURN): Remove.
5466         * config/alpha/alpha.c (TARGET_PROMOTE_FUNCTION_ARGS,
5467         TARGET_PROMOTE_FUNCTION_RETURN): Remove.
5468         (TARGET_PROMOTE_FUNCTION_MODE): Define equivalently.
5469         * config/xtensa/xtensa.c: Likewise.
5470         * config/stormy16/stormy16.c: Likewise.
5471         * config/iq2000/iq2000.c: Likewise.
5472         * config/rs6000/rs6000.c: Likewise.
5473         * config/picochip/picochip.c: Likewise.
5474         * config/arc/arc.c: Likewise.
5475         * config/mcore/mcore.c: Likewise.
5476         * config/score/score.c: Likewise.
5477         * config/mips/mips.c: Likewise.
5478         * config/bfin/bfin.c: Likewise.
5479         * config/ia64/ia64.c: Likewise (disabled though).
5481         * config/frv/frv.h: Remove pointless remark.
5483         * doc/tm.texi (PROMOTE_FUNCTION_MODE,
5484         TARGET_PROMOTE_FUNCTION_ARGS,
5485         TARGET_PROMOTE_FUNCTION_RETURN): Consolidate into...
5486         (TARGET_PROMOTE_FUNCTION_MODE): ... this.
5488 2009-08-01  Sebastian Pop  <sebastian.pop@amd.com>
5490         * doc/invoke.texi (-fgraphite-force-parallel): Renamed
5491         -floop-parallelize-all.
5492         * toplev.c (process_options): Rename flag_graphite_force_parallel to
5493         flag_loop_parallelize_all.
5494         * tree-ssa-loop.c (gate_graphite_transforms): Same.
5495         * graphite.c (graphite_transform_loops): Same.
5496         * common.opt: Same.
5497         * graphite-poly.c (apply_poly_transforms): Same.
5499 2009-07-31  Richard Earnshaw  <rearnsha@arm.com>
5501         PR tree-optimization/40914
5502         * ipa-prop.c (ipa_get_ptr_load_param): New argument use_delta,
5503         if set, then check the delta field of the PMF record.
5504         (ipa_get_stmt_member_ptr_load_param): Propagate new param use_delta.
5505         (ipa_analyze_call_uses): Handle machines where the vbit for a PMF
5506         call is stored in the delta.
5508 2009-07-31  Adam Nemet  <anemet@caviumnetworks.com>
5510         * config/mips/mips.md (*clear_upper32_dext): New pattern.
5512 2009-07-31  Uros Bizjak  <ubizjak@gmail.com>
5514         * config/i386/bsd.h (ASM_BYTE): New define.
5515         * config/i386/darwin.h (ASM_BYTE): Rename from ASM_BYTE_OP.
5516         * config/i386/att.h (ASM_BYTE): New define. Use ASM_BYTE instead of
5517         .byte.  Use fputs or putc instead of fprintf where appropriate.
5518         * config/i386/i386-interix.h: Use ASM_BYTE instead of .byte.  Use
5519         fputs or putc instead of fprintf where appropriate.
5520         * config/i386/i386elf.h: Ditto.
5521         * config/i386/sysv4.h: Ditto.
5523         * config/i386/i386.c (TARGET_ASM_BYTE_OP): New define.
5524         * config/i386/i386.md (x86_sahf_1): Use ASM_BYTE instead of .byte.
5525         (*tls_global_dynamic_64): Ditto.
5527 2009-07-31  Christian Bruel  <christian.bruel@st.com>
5529         * gcc/config.gcc (sh*-*-elf): test with_libgloss.
5531 2009-07-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
5533         * config/arm/arm.c (arm_arm_address_cost): Fix typo.
5534         Remove dead code for MINUS.
5536 2009-07-31  Anthony Green  <green@moxielogic.com>
5538         * config/moxie/moxie.c (moxie_expand_prologue): Use $r5 instead of
5539         $r12 in prologue.
5540         (moxie_expand_epilogue): Ditto for epilogue.
5541         (moxie_setup_incoming_varargs): ABI change.  Use 5 registers for
5542         incoming arguments.
5543         (moxie_function_arg): Ditto.
5544         (moxie_pass_by_reference): Ditto.
5545         (moxie_arg_partial_bytes): Ditto.
5546         * config/moxie/moxie.h (CALL_USED_REGISTERS): Ditto.
5547         (FUNCTION_ARG_ADVANCE) Ditto.
5548         (REG_PARM_STACK_SPACE) Ditto.
5549         (FUNCTION_ARG_REGNO_P) Dito.
5551         * config.gcc: Add moxie linux config support.
5552         * gcc/config/moxie/uclinux.h: New file.
5554 2009-07-31  DJ Delorie  <dj@redhat.com>
5556         * config/sh/sh.md (UNSPECV_SP_SWITCH_B): New.
5557         (UNSPECV_SP_SWITCH_E): New.
5558         (sp_switch_1): Change to an unspec.
5559         (sp_switch_2): Change to an unspec.  Don't use post-inc when we
5560         replace $r15.
5561         * config/sh/sh.c (sh_expand_prologue): Use the constant pool to
5562         reference the new stack's address
5564 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
5566         * Makefile.in (OBJS-common): Added dependence on graphite-blocking.o,
5567         graphite-clast-to-gimple.o, graphite-dependences.o,
5568         graphite-interchange.o, graphite-poly.o, graphite-ppl.o,
5569         graphite-scop-detection.o, graphite-sese-to-poly.o, and sese.o.
5570         (graphite-blocking.o,
5571         graphite-clast-to-gimple.o, graphite-dependences.o,
5572         graphite-interchange.o, graphite-poly.o, graphite-ppl.o,
5573         graphite-scop-detection.o, graphite-sese-to-poly.o, and sese.o): New.
5574         * cfgloop.c (alloc_loop): Set loop->can_be_parallel to false.
5575         * cfgloop.h (struct loop): Add can_be_parallel field.
5576         * common.opt (fgraphite-identity): Moved up.
5577         (fgraphite-force-parallel): New flag.
5578         * graphite.c: Rewrite.
5579         * graphite.h: Rewrite.
5580         * passes.c (init_optimization_passes): Schedule a pass of DCE and LIM
5581         after Graphite.
5582         * toplev.c (graphite_out_file): New file descriptor.
5583         (graphite_in_file): New.
5584         (process_options): flag_graphite_force_parallel cannot be used without
5585         Graphite.
5586         * tree-ssa-loop.c: Include toplev.h.
5587         (gate_graphite_transforms): Enable flag_graphite for
5588         flag_graphite_force_parallel.
5590 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
5592         * ChangeLog.graphite: New.
5593         * graphite-blocking.c: New.
5594         * graphite-clast-to-gimple.c: New.
5595         * graphite-clast-to-gimple.h: New.
5596         * graphite-dependences.c: New.
5597         * graphite-dependences.h: New.
5598         * graphite-interchange.c: New.
5599         * graphite-poly.c: New.
5600         * graphite-poly.h: New.
5601         * graphite-ppl.c: New.
5602         * graphite-ppl.h: New.
5603         * graphite-scop-detection.c: New.
5604         * graphite-scop-detection.h: New.
5605         * graphite-sese-to-poly.c: New.
5606         * graphite-sese-to-poly.h: New.
5607         * sese.c: New.
5608         * sese.h: New.
5610 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
5612         * tree-chrec.c (evolution_function_right_is_integer_cst): New.
5613         * tree-chrec.h (evolution_function_right_is_integer_cst): Declared.
5615 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
5617         * tree-chrec.c (operator_is_linear): Handle BIT_NOT_EXPR.
5618         (scev_is_linear_expression): Return false if the evolution is not
5619         affine multivariate.
5621 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
5623         * tree-data-ref.c (graphite_find_data_references_in_stmt): New.
5624         * tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.
5626 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
5628         * tree-data-ref.c (debug_data_references): New.
5629         (debug_data_reference): New.
5630         * tree-data-ref.h (debug_data_references): Declared.
5631         (debug_data_reference): Declared.
5633 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
5635         * tree-data-ref.c (stmt_simple_memref_p: Removed.
5636         * tree-data-ref.h (scop_p): Removed.
5637         (struct data_reference): Remove field scop.
5638         (DR_SCOP): Removed.
5639         (stmt_simple_memref_p): Removed.
5641 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
5643         * cfgloop.h (create_empty_loop_on_edge): Pass an extra argument.
5644         * cfgloopmanip.c (create_empty_loop_on_edge): Leave the loop_latch
5645         basic block empty.
5647 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
5649         * doc/invoke.texi (-fgraphite-force-parallel): Documented.
5651 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
5653         * doc/invoke.texi (-fgraphite-identity): Documented.
5655 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
5657         * tree-scalar-evolution.c: Fix comment.
5658         (instantiate_scev_1): Return unknow from scev instantiation if the
5659         result is not above instantiate_below.
5661 2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>
5663         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
5664         static anymore.  Instantiate the symbols that may have been introduced
5665         by chrec_apply.
5666         * tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
5667         Declared.
5669 2009-07-30  DJ Delorie  <dj@redhat.com>
5671         * config/mep/mep.c (mep_asm_init_sections): Add section flags and
5672         .vliw directive to VLIW sections.
5674 2009-07-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5676         * Makefile.in (AUTOCONF, ACLOCAL, ACLOCAL_AMFLAGS, aclocal_deps):
5677         New variables.
5678         ($(srcdir)/configure, $(srcdir)/aclocal.m4): New rules.
5679         (AUTOHEADER): New variable.
5680         ($(srcdir)/cstamp-h.in): Use it.
5682 2009-07-30  Michael Meissner  <meissner@linux.vnet.ibm.com>
5683             Pat Haugen  <pthaugen@us.ibm.com>
5684             Revital Eres <ERES@il.ibm.com>
5686         * config/rs6000/vector.md (VEC_F): Add VSX support.
5687         (VEC_A): Ditto.
5688         (VEC_N): Ditto.
5689         (mov<mode>): Ditto.
5690         (vector_load_<mode>): Ditto.
5691         (vector_store_<mode>): Ditto.
5692         (vector GPR move split): Ditto.
5693         (vec_reload_and_plus_<mptrsize>): Ditto.
5694         (vec_reload_and_reg_<mptrsize>): Ditto.
5695         (add<mode>3): Ditto.
5696         (sub<mode>3): Ditto.
5697         (mul<mode>3): Ditto.
5698         (neg<mode>2): Ditto.
5699         (abs<mode>2): Ditto.
5700         (smin<mode>3): Ditto.
5701         (smax<mode>3): Ditto.
5702         (vector_eq<mode>): Ditto.
5703         (vector_gt<mode>): Ditto.
5704         (vector_ge<mode>): Ditto.
5705         (vector_gtu<mode>): Ditto.
5706         (vector_select_<mode>_uns): Ditto.
5707         (vector_eq_<mode>_p): Ditto.
5708         (vector_gt_<mode>_p): Ditto.
5709         (vector_ge_<mode>_p): Ditto.
5710         (vector_gtu_<mode>_p): Ditto.
5711         (cr6_test_for_zero): Ditto.
5712         (cr6_test_for_zero_reverse): Ditto.
5713         (cr6_test_for_lt): Ditto.
5714         (cr6_test_for_lt_reverse): Ditto.
5715         (xor<mode>3): Ditto.
5716         (ior<mode>3): Ditto.
5717         (and<mode>3): Ditto.
5718         (one_cmpl<mode>2): Ditto.
5719         (nor<mode>2): Ditto.
5720         (andc<mode>2): Ditto.
5721         (float<VEC_int<mode>2): Ditto.
5722         (unsigned_float<VEC_int><mode>2): Ditto.
5723         (fix_trunc<mode><VEC_int>2): Ditto.
5724         (fixuns_trunc<mode><VEC_int>2): Ditto.
5725         (vec_init<mode>):
5726         (vec_set<mode>): Ditto.
5727         (vec_extract<mode>): Ditto.
5728         (vec_interleave_highv4sf): Ditto.
5729         (vec_interleave_lowv4sf): Ditto.
5730         (vec_realign_load_<mode>): Ditto.
5731         (vec_shl_<mode>): Ditto.
5732         (vec_shr_<mode>): Ditto.
5733         (div<mode>3): New patterns for VSX.
5734         (vec_interleave_highv2df): Ditto.
5735         (vec_interleave_lowv2df): Ditto.
5736         (vec_pack_trunc_v2df): Ditto.
5737         (vec_pack_sfix_trunc_v2df): Ditto.
5738         (vec_pack_ufix_trunc_v2df): Ditto.
5739         (vec_unpacks_hi_v4sf): Ditto.
5740         (vec_unpacks_lo_v4sf): Ditto.
5741         (vec_unpacks_float_hi_v4si): Ditto.
5742         (vec_unpacks_float_lo_v4si): Ditto.
5743         (vec_unpacku_float_hi_v4si): Ditto.
5744         (vec_unpacku_float_lo_v4si): Ditto.
5745         (movmisalign<mode>): Ditto.
5746         (vector_ceil<mode>2): New patterns for vectorizing math library.
5747         (vector_floor<mode>2): Ditto.
5748         (vector_btrunc<mode>2): Ditto.
5749         (vector_copysign<mode>3): Ditto.
5751         * config/rs6000/predicates.md (easy_vector_constant_msb): New
5752         predicate for setting the high bit in each word, used for copysign.
5754         * config/rs6000/ppc-asm.h (f19): Whitespace.
5755         (f32-f63): Define if VSX.
5756         (v0-v31): Define if Altivec.
5757         (vs0-vs63): Define if VSX.
5759         * config/rs6000/t-rs6000 (MD_INCLUDES): Add power7.md and vsx.md.
5761         * config/rs6000/power7.md: New file, provide tuning parameters for
5762         -mcpu=power7.
5764         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): Add VSX support.
5765         (rs6000_cpu_cpp_builtins): Ditto.
5766         (altivec_overloaded_builtins): Ditto.
5767         (altivec_resolve_overloaded_builtin): Ditto.
5769         * config/rs6000/rs6000.opt (-mno-vectorize-builtins): Add new
5770         debug switch to disable vectorizing simple math builtin
5771         functions.
5773         * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
5774         Vectorize simple math builtin functions.
5775         (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
5776         hook to vectorize math builtins.
5777         (rs6000_override_options): Enable -mvsx on -mcpu=power7.
5778         (rs6000_builtin_conversion): Add VSX/power7 support.
5779         (rs6000_builtin_vec_perm): Ditto.
5780         (vsplits_constant): Add support for loading up a vector constant
5781         with just the high bit set in each part.
5782         (rs6000_expand_vector_init): Add VSX/power7 support.
5783         (rs6000_expand_vector_set): Ditto.
5784         (rs6000_expand_vector_extract): Ditto.
5785         (rs6000_emit_move): Ditto.
5786         (bdesc_3arg): Ditto.
5787         (bdesc_2arg): Ditto.
5788         (bdesc_1arg): Ditto.
5789         (rs6000_expand_ternop_builtin): Ditto.
5790         (altivec_expand_builtin): Ditto.
5791         (rs6000_expand_unop_builtin): Ditto.
5792         (rs6000_init_builtins): Ditto.
5793         (altivec_init_builtins): Ditto.
5794         (builtin_function_type): Ditto.
5795         (rs6000_common_init_builtins): Ditto.
5796         (rs6000_handle_altivec_attribute); Ditto.
5797         (rs6000_mangle_type): Ditto.
5798         (rs6000_vector_mode_supported_p): Ditto.
5799         (rs6000_mode_dependent_address): Altivec addresses with AND -16
5800         are mode dependent.
5802         * config/rs6000/vsx.md: New file for VSX support.
5804         * config/rs6000/rs6000.h (EASY_VECTOR_MSB): New macro for
5805         identifing values with just the most significant bit set.
5806         (enum rs6000_builtins): Add builtins for VSX.  Add simple math
5807         vectorized builtins.
5809         * config/rs6000/altivec.md (UNSPEC_VRFIP): Delete.
5810         (UNSPEC_VRFIM): Delete.
5811         (splitter for loading up vector with most significant bit): New
5812         splitter for vectorizing copysign.
5813         (altivec_vrfiz): Rename from altivec_fturncv4sf2.  Add support for
5814         vectorizing simple math functions.
5815         (altivec_vrfip): Add support for vectorizing simple math functions.
5816         (altivec_vrfim): Ditto.
5817         (altivec_copysign_v4sf3): New insn for Altivec copysign support.
5819         * config/rs6000/rs6000.md (UNSPEC_BPERM): New constant.
5820         (power7.md, vsx.md): Include for power7 support.
5821         (copysigndf3): Use VSX instructions if -mvsx.
5822         (negdf2_fpr): Ditto.
5823         (absdf2_fpr): Ditto.
5824         (nabsdf2_fpr): Ditto.
5825         (adddf3_fpr): Ditto.
5826         (subdf3_fpr): Ditto.
5827         (muldf3_fpr): Ditto.
5828         (divdf3_fpr): Ditto.
5829         (fix_truncdfdi2_fpr): Ditto.
5830         (cmpdf_internal1): Ditto.
5831         (fred, fred_fpr): Convert into expander/insn to add VSX support.
5832         (btruncdf2, btruncdf2_fpr): Ditto.
5833         (ceildf2, ceildf2_fpr): Ditto.
5834         (floordf2, floordf2_fpr): Ditto.
5835         (floatdidf2, floatdidf2_fpr): Ditto.
5836         (fmadddf4_fpr): Name insn.  Use VSX instructions if -mvsx.
5837         (fmsubdf4_fpr): Ditto.
5838         (fnmadddf4_fpr_1): Ditto.
5839         (fnmadddf4_fpr_2): Ditto.
5840         (fnmsubdf4_fpr_1): Ditto.
5841         (fnmsubdf4_fpr_2): Ditto.
5842         (fixuns_truncdfdi2): Add expander for VSX support.
5843         (fix_truncdfdi2): Ditto.
5844         (fix_truncdfsi2): Ditto.
5845         (ftruncdf2): Ditto.
5846         (btruncsf2): Whitespace.
5847         (movdf_hardfloat32): Add support for VSX registers.
5848         (movdf_softfloat32): Ditto.
5849         (movdf_hardfloat64): Ditto.
5850         (movdf_hardfloat64_mfpgpr): Ditto.
5851         (movdf_softfloat64): Ditto.
5852         (movti splitters): Add check for vector registers supporting
5853         TImode in the future.
5854         (bpermd): Add power7 bpermd instruction.
5856         * config/rs6000/altivec.h (vec_div): Define if VSX.
5857         (vec_mul): Ditto.
5858         (vec_msub): Ditto.
5859         (vec_nmadd): Ditto.
5860         (vec_nearbyint): Ditto.
5861         (vec_rint): Ditto.
5862         (vec_sqrt): Ditto.
5863         (all predicates): Use the generic builtin function, and not the V4SF
5864         specific function so that the predicates will work with VSX's V2DF.
5865         (vec_all_*): Ditto.
5866         (vec_any_*): Ditto.
5868         * doc/extend.texi (PowerPC Altivec/VSX Built-in Functions):
5869         Document new VSX functions and types.
5871         * doc/invoke.texi (PowerPc options): Document -mpopcntd, -mvsx
5872         switches.
5874         * doc/md.texi (PowerPC constraints): Document "wd", "wf", "ws",
5875         "wa", and "j" constraints.  Modify "v" to talk about Altivec
5876         instead of just vector.
5878 2009-07-30  Andrew MacLeod  <amacleod@redhat.com>
5880         PR debug/26475
5881         * tree-into-ssa.c (insert_phi_nodes_for, rewrite_add_phi_arguments): Set
5882         location for phi arguments.
5883         (rewrite_update_phi_arguments): Find locations for reaching defs.
5884         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis):
5885         Add location to add_phi_arg calls.
5886         * tree-loop-districbution.c (update_phis_for_loop_copy): Add locations.
5887         * tree-ssa-loop-manip.c (create_iv, add_exit_phis_edge,
5888         split_loop_exit_edge, tree_transform_and_unroll_loop): Add locations.
5889         * tree-tailcall.c (add_successor_phi_arg, eliminate_tail_call,
5890         create_tailcall_accumulator, tree_optimize_tail_calls_1): Add locations.
5891         * tree.h (struct phi_arg_d): Add location_t to PHI arguments.
5892         * tree-phinodes.c (make_phi_node): Initialize location.
5893         (resize_phi_node): Initialize location to UNKNOWN_LOCATION.
5894         (add_phi_arg): Add location parameter.
5895         (remove_phi_arg_num): Move location when moving phi argument.
5896         * omp-low.c (expand_parallel_call, expand_omp_for_static_chunk): Set
5897         location.
5898         * tree-vect-loop-manip.c (slpeel_update_phis_for_duplicate_loop,
5899         slpeel_update_phi_nodes_for_guard1,
5900         slpeel_update_phi_nodes_for_guard2,
5901         slpeel_tree_duplicate_loop_to_edge_cfg, set_prologue_iterations,
5902         vect_loop_versioning): Set locations.
5903         * tree-parloops.c (create_phi_for_local_result,
5904         transform_to_exit_first_loop, create_parallel_loop): Add locations.
5905         * gimple-pretty-print.c (dump_gimple_phi): Dump lineno's if present.
5906         * tree-vect-loop.c (get_initial_def_for_induction,
5907         vect_create_epilog_for_reduction, vect_finalize_reduction): Add
5908         locations.
5909         * tree-flow-inline.h (gimple_phi_arg_location): New.  Return locus.
5910         (gimple_phi_arg_location_from_edge): New.  Return locus from an edge.
5911         (gimple_phi_arg_set_location): New.  Set locus.
5912         (gimple_phi_arg_has_location): New.  Check for locus.
5913         (redirect_edge_var_map_location): New.  Return locus from var_map.
5914         * tree-vect-data-refs.c (vect_setup_realignment): Set location.
5915         * tree-ssa-phiopt.c (conditional_replacement): Set locus when
5916         combining PHI arguments.
5917         (cond_store_replacement): Set location.
5918         * cfgexpand.c (gimple_assign_rhs_to_tree): Transfer locus if possible.
5919         * grpahite.c (add_loop_exit_phis, add_guard_exit_phis,
5920         scop_add_exit_phis_edge): Add locations.
5921         * tree-cfgcleanup.c (remove_forwarder_block,
5922         remove_forwarder_block_with_phi): Add locations.
5923         * tree-ssa-pre.c (insert_into_preds_of_block): Add locations.
5924         * tree-predcom.c (initialize_root_vars, initialize_root_vars_lm): Add
5925         locations.
5926         * tree-ssa-dce.c (forward_edge_to_pdom): Add locations.
5927         * tree-ssa.c (redirect_edge_var_map_add, ssa_redirect_edge,
5928         flush_pending_stmts): Add source location.
5929         * lambda-code.c (perfect_nestify): Maintain location stack with argument
5930         stack to preserve locations.
5931         * tree-vect-stmts.c (vectorizable_load): Add location.
5932         * tree-inline.c (copy_phis_for_bb): Copy locus.
5933         (setup_one_parameter): Add call locus to inlined parameter stmts.
5934         (initialize_inlined_parameters): Pass in call location as parameter
5935         assignment locus.
5936         (tree_function_versioning): Pass location to setup_one_parameter.
5937         * tree-ssa-phiprop.c (phiprop_insert_phi): Set locations.
5938         * tree-outof-ssa.c (struct _elim_graph): Add source_location vecs for
5939         copy and edge lists.
5940         (insert_partition_copy_on_edge, insert_value_copy_on_edge,
5941         insert_rtx_to_part_on_edge, insert_part_to_rtx_on_edge): Provide a
5942         locus parameter and override the stmt default if provided.
5943         (new_elim_graph, clear_elim_graph, delete_elim_graph,
5944         elim_graph_add_edge, elim_graph_remove_succ_edge,
5945         FOR_EACH_ELIM_GRAPH_SUCC, FOR_EACH_ELIM_GRAPH_PRED, eliminate_build,
5946         elim_forward, elim_unvisited_predecessor, elim_backward, elim_create,
5947         eliminate_phi):  Add locus info in elimination graph for each edge and
5948         value copy.
5949         (insert_backedge_copies): Copy locus if present.
5950         * tree-flow.h (struct _edge_var_map): Add locus field.
5951         * tree-switch_conversions.c (fix_phi_nodes): Add locations.
5952         * tree-cfg.c (reinstall_phi_args, gimple_make_forwarder_block,
5953         add_phi_args_after_copy_edge, gimple_lv_adjust_loop_header_phi): Add
5954         locations.
5955         * ipa-struct-reorg.c (make_edge_and_fix_phis_of_dest): Add locations.
5957 2009-07-30  Martin Jambor  <mjambor@suse.cz>
5959         PR tree-optimization/40570
5960         * ipa-inline.c (cgraph_decide_inlining): Watch out for dead single
5961         use inlining loops.
5963 2009-07-30  Razya Ladelsky <razya@il.ibm.com>
5965         * ssa-loop-manip.c: Include langhooks.h.
5966         (rewrite_phi_with_iv): New.
5967         (rewrite_all_phi_nodes_with_iv): New.
5968         (canonicalize_loop_ivs): Move here from tree-parloops.c.
5969         Remove reduction_list argument. Use rewrite_all_phi_nodes_with_iv.
5970         * tree-parloops.c (loop_parallel_p): Move out all conditions
5971         except dependency check.
5972         (canonicalize_loop_ivs): Move to tree-ssa-loop-manip.c.
5973         (gen_parallel_loop): Call canonicalize_loop_ivs without
5974         reduction_list argument.
5975         (build_new_reduction): New.
5976         (gather_scalar_reductions): New.
5977         (try_get_loop_niter): New.
5978         (try_create_reduction_list): New.
5979         (parallleize_loops): Change the parallel conditions check.
5980         * tree-flow.h (canonicalize_loop_ivs): Remove one argument.
5981         * Makefile.in (tree-ssa-loop-manip.o): Add langhooks.h dependency.
5983 2009-07-30  Dave Korn  <dave.korn.cygwin@gmail.com>
5985         * opt-functions.awk (opt_args): Allow argument to be enclosed in
5986         curly braces.
5987         * doc/options.texi (Option properties):  Mention new quoting syntax.
5989 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
5991         * config/alpha/alpha.c (alpha_start_function):
5992         Handle VMS_DEBUG_MAIN_POINTER
5993         * config/alpha/vms.h (VMS_DEBUG_MAIN_POINTER): Define new macro.
5994         * doc/invoke.texi: Document -mdebug-main switch.
5996 2009-07-29  Richard Henderson  <rth@redhat.com>
5998         * cgraph.c (cgraph_set_call_stmt_including_clones): Tidy.
5999         (cgraph_create_edge_including_clones): Likewise.
6000         * tree-inline.c (copy_bb): Operate on the correct edges
6001         when updating the callgraph.
6003 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
6005         * config/alpha/vms-cc.c: Deleted.
6006         * config/alpha/vms-ld.c: Deleted.
6007         * config/alpha/t-vms64: Moved to config/vms
6008         * config/alpha/vms-crt0-64.c: Moved to config/vms
6009         * config/alpha/vms-crt0.c: Moved to config/vms
6010         * config/alpha/vms-psxcrt0-64.c: Moved to config/vms
6011         * config/alpha/vms-psxcrt0.c: Moved to config/vms
6012         * config/alpha/xm-vms.h: Moved to config/vms
6013         * config/alpha/x-vms: Moved to config/vms
6014         * config/alpha/t-vms (vcrt0.o, pcrt0.o): Move rules to new file
6015         config/vms/t-vms.
6016         * config/vms/t-vms: Moved here from config/alpha. Alpha specific
6017         parts removed. (STMP_FIXPROTO, STMP_FIXINC, LIMITS_H_TEST): Set.
6018         (version): Set.
6019         * config/vms/t-vms64: Moved here from config/alpha
6020         * config/vms/vms-crt0-64.c: Moved here from config/alpha.
6021         (argc,argv,envp): Enforce 32bit malloc'ing.
6022         * config/vms/vms-psxcrt0-64.c: Likewise.
6023         * config/vms/vms-crt0.c: Moved here from config/alpha.
6024         * config/vms/vms-psxcrt0.c: Likewise.
6025         * config/vms/vms-crtl-64.h: New file.
6026         * config/vms/vms-crtl.h: New file.
6027         * config/vms/vms.opt: New file.
6028         * config/vms/xm-vms64.h: New file.
6029         * config/vms/xm-vms.h: Moved here from config/alpha.
6030         (STANARD_EXEC_PREFIX, STANDARD_STARTFILE_PREFIX, STANDARD_INCLUDE_DIR):
6031         Set.
6032         * config/vms/x-vms: Moved here from config/alpha.
6033         (version, VMS_EXTRA_PARTS): Moved to t-vms.
6034         (vms-ld.o, vms-cc.o): Removed.
6035         (LN, LN_S, USE_COLLECT2, POD2MAN): Set.
6037 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
6039         * dwarf2out.c (add_name_and_src_coords_attributes): Push on the
6040         correct stack (obvious VMS fix).
6042 2009-07-29  Douglas B Rupp  <rupp@gnat.com>
6044         * dwarf2out.c (output_file_names): Output VMS style file name, size,
6045         date, version info if VMS_DEBUGGING_INFO defined.
6046         * vmsdgbout.c (vms_file_stats_name): New functon. VMS style file name,
6047         size, date calculating code moved here.
6049 2009-07-29  Paul Brook  <paul@codesourcery.com>
6051         * config/arm/lib1funcs.asm (clear_cache): Use ARM_FUNC_START and
6052         do_push/do_pop.
6054 2009-07-29  Uros Bizjak  <ubizjak@gmail.com>
6056         PR target/40577
6057         * config/alpha/alpha.c (alpha_expand_unaligned_store): Convert src
6058         to DImode when generating insq_le insn.
6060 2009-07-28  Douglas B Rupp  <rupp@gnat.com>
6062         * dwarf2out.c (DWARF2_INDIRECT_STRING_SUPPORT_MISSING_ON_TARGET):
6063         New macro set for VMS_DEBUGGGING_INFO.
6064         (AT_string_form): Use it.
6066 2009-07-28  DJ Delorie  <dj@redhat.com>
6068         * config/mep/mep.c (vtext_section): New.
6069         (vftext_section): New.
6070         (ftext_section): New.
6071         (mep_select_section): Add support for functions.
6072         (mep_unique_section): Likewise.
6073         (mep_asm_init_sections): Likewise.
6074         (mep_encode_section_info): Remove it from here.
6076         * config/mep/mep.h (USE_SELECT_SECTION_FOR_FUNCTIONS): Define.
6078 2009-07-28  Paolo Bonzini  <bonzinI@gnu.org>
6080         * tree.h (TREE_DEPRECATED): Document it is used for types too.
6081         (TYPE_VECTOR_OPAQUE): Use default_def_flag
6083 2009-07-28  Douglas B Rupp  <rupp@gnat.com>
6085         * dwarf2out.c (output_file_names): Test new macro
6086         DWARF2_DIR_SHOULD_END_WITH_SEPARATOR.
6087         (add_comp_dir_attribute): Likewise.
6089 2009-07-28  Kai Tietz  <kai.tietz@onevision.com>
6091         * config/i386/mingw-w64.h (LINK_SPEC): Add
6092         separating space between commands.
6094 2009-07-28  Jan Hubicka  <jh@suse.cz>
6096         PR tree-optimization/40759
6097         * tree-ssa-dce.c (mark_virtual_phi_result_for_renaming): Mark all uses
6098         for renaming.
6100 2009-07-27  DJ Delorie  <dj@redhat.com>
6102         * config/mep/mep.c (mep_expand_builtin_saveregs): Make sure 64-bit
6103         types are dword-aligned.
6104         (mep_expand_va_start): Likewise.
6106 2009-07-27  Olivier Hainque  <hainque@adacore.com>
6107             Douglas B Rupp  <rupp@gnat.com>
6109         * convert.c (convert_to_pointer): Don't assume the target
6110         pointer type is POINTER_SIZE long. Fetch its precision instead.
6112 2009-07-27  Douglas B Rupp  <rupp@gnat.com>
6114         * system.h (fopen): Undefine if macro.
6116 2009-07-27  Jakub Jelinek  <jakub@redhat.com>
6118         * dwarf2out.c (output_cfi_p): Removed.
6119         (output_cfis): New function.
6120         (output_fde): New function, split from output_call_frame_info.
6121         (output_call_frame_info): Use it.
6122         (dwarf2out_switch_text_section): Use output_cfis.
6124 2009-07-24  Kai Tietz  <kai.tietz@onevision.com>
6126         * config/i386/cygming.h (DWARF2_UNWIND_INFO): Error build when
6127         TARGET_BI_ARCH is specified without enabling SJLJ.
6128         * config/i386/mingw32.h (MD_UNWIND_SUPPORT): Define MD_UNWIND_SUPPORT,
6129         if TARGET_64BIT and TARGET_BI_ARCH aren't defined.
6131 2009-07-26  Mikael Pettersson <mikpe@it.uu.se>
6133         * arm.md (negdi2): Use DImode if forcing a value into a register.
6135 2009-07-26  Ira Rosen  <irar@il.ibm.com>
6137         PR tree-optimization/40801
6138         * tree-vect-stmts.c (vectorizable_call): Get previous copy
6139         of vector operand from the previous copy of vector statement.
6140         Pass the correct definition type value to
6141         vect_get_vec_def_for_stmt_copy().
6143 2009-07-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6145         * collect2.c (scan_libraries): Use CONST_CAST2 to perform char ** to
6146         const char ** conversion.
6148 2009-07-25 David Daney <ddaney@caviumnetworks.com>
6150         * system.h (gcc_assert): Invoke __builtin_unreachable() instead of
6151         fancy_abort() if !ENABLE_ASSERT_CHECKING.
6152         (gcc_unreachable): Invoke __builtin_unreachable() if
6153         !ENABLE_ASSERT_CHECKING.
6155 2009-07-25  David Daney  <ddaney@caviumnetworks.com>
6157         PR rtl-optimization/40445
6158         * emit-rtl.c (next_nonnote_insn_bb): New function.
6159         * rtl.h (next_nonnote_insn_bb): Declare new function.
6160         * cfgcleanup.c (try_optimize_cfg): Don't remove an empty block
6161         with no successors that is the successor of the ENTRY_BLOCK.
6162         Continue from the top after removing an empty fallthrough block.
6163         * cfgrtl.c (get_last_bb_insn): Call next_nonnote_insn_bb instead
6164         of next_nonnote_insn.
6166 2009-07-25  David Daney  <ddaney@caviumnetworks.com>
6168         * cfgcleanup.c (old_insns_match_p): Handle the case of empty blocks.
6170 2009-07-25  Martin Jambor  <mjambor@suse.cz>
6172         * c-common.c (c_common_attribute_table): New element for noclone.
6173         (handle_noclone_attribute): New function. Forward-declare.
6174         * tree-inline.c (tree_versionable_function_p): Check for noclone
6175         attribute.
6176         * doc/extend.texi (Labels as Values): Document need for noclone.
6177         (Function Attributes): Document noclone attribute.
6179 2009-07-25  Jakub Jelinek  <jakub@redhat.com>
6181         PR rtl-optimization/34999
6182         * dwarf2out.c (struct dw_fde_struct): Add dw_fde_switch_cfi
6183         and dw_fde_switched_cold_to_hot fields.
6184         (output_cfi_p): New function.
6185         (output_call_frame_info): If fde->dw_fde_switched_sections,
6186         output 2 FDEs instead of one with corrupted header.
6187         (dwarf2out_do_cfi_startproc): New function.
6188         (dwarf2out_begin_prologue): Use it.  Initialize fde->dw_fde_switch_cfi
6189         and fde->dw_fde_switched_cold_to_hot.
6190         (dwarf2out_switch_text_section): Compute
6191         fde->dw_fde_switched_cold_to_hot.  Switch to new text section here.
6192         If dwarf2out_do_cfi_asm, emit .cfi_endproc before it and call
6193         dwarf2out_do_cfi_startproc plus emit again currently active CFI insns.
6194         Otherwise, compute fde->dw_fde_switch_cfi.
6196 2009-07-24  Cary Coutant  <ccoutant@google.com>
6198         * tree-cfg.c (assign_discriminator): Add explicit parentheses.
6200 2009-07-24  Cary Coutant  <ccoutant@google.com>
6202         * cfghooks.c (split_block): Copy discriminator to new block.
6203         * tree-cfg.c (assign_discriminator): Check location of last
6204         instruction in block as well as first.
6206 2009-07-24  Uros Bizjak  <ubizjak@gmail.com>
6208         * config/i386/linux.c: Use fputs or putc instead of fprintf
6209         where appropriate.
6210         * config/i386/gas.h: Ditto.
6211         * config/i386/x86-64.h: Ditto.
6212         * config/i386/att.h: Ditto.
6214 2009-07-24  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
6216         * expmed.c (emit_store_flag): Use a recursive call to optimize the
6217         xor case.
6219 2009-07-24  Martin Jambor  <mjambor@suse.cz>
6221         * ipa-prop.h (struct ipa_node_params): New flag node_enqued.
6222         (ipa_push_func_to_list_1): Declare.
6223         (ipa_push_func_to_list): New function.
6225         * ipa-prop.c (ipa_push_func_to_list_1): New function.
6226         (ipa_init_func_list): Call ipa_push_func_to_list_1.
6227         (ipa_push_func_to_list): Removed.
6228         (ipa_pop_func_from_list): Clear node_enqueued flag.
6230 2009-07-24  Andreas Krebbel  <krebbel1@de.ibm.com>
6232         * config/s390/s390.c (override_options): Default
6233         max-unrolled-insns to 100 for z10 tuning.
6235 2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>
6237         * Makefile.in (TREE_DATA_REF_H, tree-vrp.o, tree-cfg.o, tree-if-conv.o
6238         tree-ssa-loop.o, tree-ssa-loop-niter.o, tree-ssa-loop-ivcanon.o,
6239         tree-ssa-loop-prefetch.o, tree-predcom.o, tree-affine.o,
6240         tree-scalar-evolution.o, tree-data-ref.o, tree-vect-loop.o,
6241         tree-vect-data-refs.o, tree-loop-linear.o, tree-loop-distribution.o
6242         tree-parloops.o, tree-pretty-printer.o, fold-const.o, tree-ssa-dce.o,
6243         lambda-code.o, params.o): Cleanup use of SCEV_H and TREE_DATA_REF_H.
6245 2009-07-24  Kai Tietz  <kai.tietz@onevision.com>
6247         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR): Remove and
6248         use default set in mingw32.h header.
6249         * config/i386/mingw32.h (STANDARD_INCLUDE_DIR): Use for 32-bit and
6250         64-bit /mingw/include path.
6251         (STANDARD_STARTFILE_PREFIX_1): Use for 32-bit and 64-bit /mingw/lib
6252         path.
6254 2009-07-23  Neil Vachharajani  <nvachhar@google.com>
6256         PR rtl-optimization/40209
6257         * loop-iv.c (iv_analysis_loop_init): Call df_note_add_problem.
6259 2009-07-23  Uros Bizjak  <ubizjak@gmail.com>
6261         * config/i386/i386.c: Use ASM_LONG instead of .long.  Concatenate
6262         ASM_LONG, LPREFIX, MCOUNT_NAME and PROFILE_COUNT_REGISTER strings
6263         with the rest of string where appropriate.  Use fputs or putc
6264         instead of fprintf where appropriate.
6266 2009-07-22  Michael Meissner  <meissner@linux.vnet.ibm.com>
6267             Pat Haugen  <pthaugen@us.ibm.com>
6268             Revital Eres <ERES@il.ibm.com>
6270         * config/rs6000/vector.md: New file.  Move most of the vector
6271         expander support here from altivec.md to allow for the VSX vector
6272         unit in the future.  Add support for secondary_reload patterns.
6273         Rewrite the patterns for vector comparison, and vector comparison
6274         predicate instructions so that the RTL expresses the desired
6275         behavior, instead of using unspec.
6277         * config/rs6000/constraints.md ("f" constraint): Use
6278         rs6000_constraints to hold the precalculated register class.
6279         ("d" constraint): Ditto.
6280         ("wd" constraint): New constraint for VSX.
6281         ("wf" constraint): Ditto.
6282         ("ws" constraint): Ditto.
6283         ("wa" constraint): Ditto.
6284         ("wZ" constraint): Ditto.
6285         ("j" constraint): Ditto.
6287         * config/rs6000/predicates.md (vsx_register_operand): New
6288         predicate for VSX.
6289         (vfloat_operand): New predicate for vector.md.
6290         (vint_operand): Ditto.
6291         (vlogical_operand): Ditto.
6292         (easy_fp_constant): If VSX, 0.0 is an easy constant.
6293         (easy_vector_constant): Add VSX support.
6294         (altivec_indexed_or_indirect_operand): New predicate for
6295         recognizing Altivec style memory references with AND -16.
6297         * config/rs6000/rs6000.c (rs6000_vector_reload): New static global
6298         for vector secondary reload support.
6299         (rs6000_vector_reg_class): Delete, replacing it with
6300         rs6000_constraints.
6301         (rs6000_vsx_reg_class): Ditto.
6302         (rs6000_constraints): New array to hold the register classes of
6303         each of the register constraints that can vary at runtime.
6304         (builtin_mode_to_type): New static array for builtin function type
6305         creation.
6306         (builtin_hash_table): New static hash table for builtin function
6307         type creation.
6308         (TARGET_SECONDARY_RELOAD): Define target hook.
6309         (TARGET_IRA_COVER_CLASSES): Ditto.
6310         (rs6000_hard_regno_nregs_internal): If -mvsx, floating point
6311         registers are 128 bits if VSX memory reference instructions are used.
6312         (rs6000_hard_regno_mode_ok): For VSX, only check if the VSX memory
6313         unit is being used.
6314         (rs6000_debug_vector_unit): Move into rs6000_debug_reg_global.
6315         (rs6000_debug_reg_global): Move -mdebug=reg statements here.
6316         Print several of the scheduling related parameters.
6317         (rs6000_init_hard_regno_mode_ok): Switch to putting constraints in
6318         rs6000_constraints instead of rs6000_vector_reg_class.  Move
6319         -mdebug=reg code to rs6000_debug_reg_global.  Add support for
6320         -mvsx-align-128 debug switch.  Drop testing float_p if VSX or
6321         Altivec.  Add VSX support.  Setup for secondary reload support on
6322         Altivec/VSX registers.
6323         (rs6000_override_options): Make power7 set the scheduling groups
6324         like the power5.  Add support for new debug switches to override
6325         the scheduling defaults.  Temporarily disable -mcpu=power7 from
6326         setting -mvsx.  Add support for debug switches -malways-hint,
6327         -msched-groups, and -malign-branch-targets.
6328         (rs6000_buitlin_conversion): Add support for returning unsigned
6329         vector conversion functions to fix regressions due to stricter
6330         type checking.
6331         (rs6000_builtin_mul_widen_even): Ditto.
6332         (rs6000_builtin_mul_widen_odd): Ditto.
6333         (rs6000_builtin_vec_perm): Ditto.
6334         (rs6000_vec_const_move): On VSX, use xxlxor to clear register.
6335         (rs6000_expand_vector_init): Initial VSX support for using xxlxor
6336         to zero a register.
6337         (rs6000_emit_move): Fixup invalid const symbol_ref+reg that is
6338         generated upstream.
6339         (bdesc_3arg): Add builtins for unsigned types.  Add builtins for
6340         VSX types for bit operations.  Changes to accomidate vector.md.
6341         (bdesc_2arg): Ditto.
6342         (bdesc_1arg): Ditto.
6343         (struct builtin_description_predicates): Rewrite predicate
6344         handling so that RTL describes the operation, instead of passing
6345         the instruction to be used as a string argument.
6346         (bdesc_altivec_preds): Ditto.
6347         (altivec_expand_predicate_builtin): Ditto.
6348         (altivec_expand_builtin): Ditto.
6349         (rs6000_expand_ternop_builtin): Use a switch instead of an if
6350         statement for vsldoi support.
6351         (altivec_expand_ld_builtin): Change to use new names from vector.md.
6352         (altivec_expand_st_builtin): Ditto.
6353         (paired_expand_builtin): Whitespace changes.
6354         (rs6000_init_builtins): Add V2DF/V2DI types.  Initialize the
6355         builtin_mode_to_type table for secondary reload.  Call
6356         builtin_function_type to build random builtin functions.
6357         (altivec_init_builtins): Change to use builtin_function_type to
6358         create builtin function types dynamically as we need them.
6359         (builtin_hash_function): New support for hashing the tree types
6360         for builtin function as we need it, rather than trying to build
6361         all of the trees that we need.  Add initial preliminary VSX support.
6362         (builtin_function_type): Ditto.
6363         (builtin_function_eq): Ditto.
6364         (builtin_hash_struct): Ditto.
6365         (rs6000_init_builtins): Ditto.
6366         (rs6000_common_init_builtins): Ditto.
6367         (altivec_init_builtins): Ditto.
6368         (rs6000_common_init_builtins): Ditto.
6369         (enum reload_reg_type): New enum for simplifing reg classes.
6370         (rs6000_reload_register_type): Simplify register classes into GPR,
6371         Vector, and other registers.  Altivec and VSX addresses in reload.
6372         (rs6000_secondary_reload_inner): Ditto.
6373         (rs6000_ira_cover_classes): New target hook, that returns the
6374         appropriate cover classes, based on -mvsx being used or not.
6375         (rs6000_secondary_reload_class): Add VSX support.
6376         (get_vec_cmp_insn): Delete, rewrite vector conditionals.
6377         (get_vsel_insn): Ditto.
6378         (rs6000_emit_vector_compare): Rewrite vector conditional support
6379         so that where we can, we use RTL operators, instead of blindly use
6380         UNSPEC.
6381         (rs6000_emit_vector_select): Ditto.
6382         (rs6000_emit_vector_cond_expr): Ditto.
6383         (rs6000_emit_minmax): Directly generate min/max under altivec, vsx.
6384         (create_TOC_reference): Add -mdebug=addr support.
6385         (emit_frame_save): VSX loads/stores need register indexed addressing.
6387         * config/rs6000/rs6000.md: Include vector.md.
6389         * config/rs6000/t-rs6000 (MD_INCLUDES): Add vector.md.
6391         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
6392         support for V2DI, V2DF in logical, permute, select operations.
6394         * config/rs6000/rs6000.opt (-mvsx-scalar-double): Add new debug
6395         switch for vsx/power7.
6396         (-mvsx-scalar-memory): Ditto.
6397         (-mvsx-align-128): Ditto.
6398         (-mallow-movmisalign): Ditto.
6399         (-mallow-df-permute): Ditto.
6400         (-msched-groups): Ditto.
6401         (-malways-hint): Ditto.
6402         (-malign-branch-targets): Ditto.
6404         * config/rs6000/rs6000.h (IRA_COVER_CLASSES): Delete, use target
6405         hook instead.
6406         (IRA_COVER_CLASSES_PRE_VSX): Cover classes if not -mvsx.
6407         (IRA_COVER_CLASSES_VSX): Cover classes if -mvsx.
6408         (rs6000_vector_reg_class): Delete.
6409         (rs6000_vsx_reg_class): Ditto.
6410         (enum rs6000_reg_class_enum): New enum for the constraints that
6411         vary based on target switches.
6412         (rs6000_constraints): New array to hold the register class for all
6413         of the register constraints that vary based on the switches used.
6414         (ALTIVEC_BUILTIN_*_UNS): Add unsigned builtin functions.
6415         (enum rs6000_builtins): Add unsigned varients for the builtin
6416         declarations returned by target hooks for expanding multiplies,
6417         select, and permute operations.  Add VSX builtins.
6418         (enum rs6000_builtin_type_index): Add entries for VSX.
6419         (V2DI_type_node): Ditto.
6420         (V2DF_type_node): Ditto.
6421         (unsigned_V2DI_type_node): Ditto.
6422         (bool_long_type_node): Ditto.
6423         (intDI_type_internal_node): Ditto.
6424         (uintDI_type_internal_node): Ditto.
6425         (double_type_internal_node): Ditto.
6427         * config/rs6000/altivec.md (whole file): Move all expanders to
6428         vector.md from altivec.md.  Rename insn matching functions to be
6429         altivec_foo.
6430         (UNSPEC_VCMP*): Delete, rewrite vector comparisons.
6431         (altivec_vcmp*): Ditto.
6432         (UNSPEC_VPERM_UNS): New, add for unsigned types using vperm.
6433         (VM): New iterator for moves that includes the VSX types.
6434         (altivec_vperm_<mode>): Add VSX types.  Add unsigned types.
6435         (altivec_vperm_<mode>_uns): New, for unsigned types.
6436         (altivec_vsel_*): Rewrite vector comparisons and predicate builtins.
6437         (altivec_eq<mode>): Ditto.
6438         (altivec_gt<mode>): Ditto.
6439         (altivec_gtu<mode>): Ditto.
6440         (altivec_eqv4sf): Ditto.
6441         (altivec_gev4sf): Ditto.
6442         (altivec_gtv4sf): Ditto.
6443         (altivec_vcmpbfp_p): Ditto.
6445 2009-07-23  Richard Earnshaw  <rearnsha@arm.com>
6447         * arm.md (split for ior/xor with shift and zero-extend): Cast op3 to
6448         unsigned HWI.
6450 2009-07-23  Uros Bizjak  <ubizjak@gmail.com>
6452         PR target/40832
6453         * config/i386/i386.c (output_387_ffreep): Rewrite to use
6454         ASM_SHORT instead of .word.
6455         * config/i386/i386.md (*tls_global_dynamic_64): Use ASM_SHORT
6456         instead of .word in asm template.
6458 2009-07-22  Vladimir Makarov  <vmakarov@redhat.com>
6460         PR target/37488
6461         * ira-lives.c (bb_has_abnormal_call_pred): New function.
6462         (process_bb_node_lives): Use it.
6464         * ira.c (setup_cover_and_important_classes): Don't setup
6465         ira_important_class_nums.  Add cover classes to the end of
6466         important classes.
6467         (cover_class_order, comp_reg_classes_func, reorder_important_classes):
6468         New.
6469         (find_reg_class_closure): Use reorder_important_classes.
6471         * config/i386/i386.h (IRA_COVER_CLASSES): Remove.
6473         * config/i386/i386.c (i386_ira_cover_classes): New function.
6474         (TARGET_IRA_COVER_CLASSES): Redefine.
6476         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Add a comment about
6477         importance of order of cover classes in the array.
6479 2009-07-22  Diego Novillo  <dnovillo@google.com>
6481         * tree-pass.h (TDF_EH): Define.
6482         * gimple-pretty-print.c (dump_gimple_stmt): If FLAGS
6483         contains TDF_EH, print the EH region number holding GS.
6484         * tree-dump.c (dump_options): Add "eh".
6485         * doc/invoke.texi: Document it.
6487 2009-07-22  Doug Kwan  <dougkwan@google.com>
6489         * config/arm/arm.md (subdi3) Copy non-reg values to DImode registers.
6491 2009-07-22  Michael Matz  <matz@suse.de>
6493         PR tree-optimization/35229
6494         PR tree-optimization/39300
6496         * tree-ssa-pre.c (includes): Include tree-scalar-evolution.h.
6497         (inhibit_phi_insertion): New function.
6498         (insert_into_preds_of_block): Call it for REFERENCEs.
6499         (init_pre): Initialize and finalize scalar evolutions.
6500         * Makefile.in (tree-ssa-pre.o): Depend on tree-scalar-evolution.h .
6502 2009-07-22  Uros Bizjak  <ubizjak@gmail.com>
6504         * config/i386/predicates.md (zero_extended_scalar_load_operand):
6505         Use CONST_VECTOR_NUNITS to determine number of elements.
6507 2009-07-22  Andreas Krebbel  <krebbel1@de.ibm.com>
6509         * config/s390/constraints.md (ZQ, ZR, ZS, ZT): New constraints.
6510         (U, W): Constraints are now deprecated and will be removed if we
6511         run out of letters.
6512         * config/s390/s390.md (U, W): Replaced with ZQZR, ZSZT throughout
6513         the file.
6514         ("prefetch"): Add the stcmh instruction for prefetching.
6515         * config/s390/s390.c (s390_symref_operand_p): Function moved. No
6516         changes.
6517         (s390_short_displacement): Return always true if compiling for
6518         machines not providing the long displacement facility.
6519         (s390_mem_constraint): Support the new constraint letter Z.
6520         (s390_check_qrst_address): New function.
6522 2009-07-21  DJ Delorie  <dj@redhat.com>
6524         * config/mep/mep.c (mep_legitimize_arg): Leave control registers
6525         alone too.
6527 2009-07-21  Jason Merrill  <jason@redhat.com>
6529         * c-common.c (max_tinst_depth): Increase default to 1024.
6531 2009-07-21  Uros Bizjak  <ubizjak@gmail.com>
6533         * config/i386/sse.md (vec_unpacku_float_hi_v4si): New expander.
6534         (vec_unpacku_float_lo_v4si): Ditto.
6536 2009-07-21  Uros Bizjak  <ubizjak@gmail.com>
6538         PR target/40811
6539         * config/i386/sse.md (sse2_cvtudq2ps): New expander.
6540         (enum ix86_builtins): Add IX86_BUILTIN_CVTUDQ2PS.
6541         (builtin_description): Add __builtin_ia32_cvtudq2ps.
6542         (ix86_vectorize_builtin_conversion): Handle IX86_BUILTIN_CVTUDQ2PS.
6544 2009-07-21  Jakub Jelinek  <jakub@redhat.com>
6546         PR tree-optimization/40813
6547         * tree-inline.c (copy_bb): Regimplify RHS after last stmt, not before
6548         it.
6550 2009-07-21  Kaz Kojima  <kkojima@gcc.gnu.org>
6552         * config/sh/sh.c (sh_gimplify_va_arg_expr): Wrap the result
6553         with a NOP_EXPR if needed.
6555 2009-07-21  Paul Brook <paul@codesourcery.com>
6557         * tree-vectorizer.c (increase_alignment): Handle nested arrays.
6558         Terminate debug dump with newline.
6560 2009-07-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6562         * pa.c (compute_zdepwi_operands): Limit deposit length to 32 - lsb.
6563         Cast "1" to unsigned HOST_WIDE_INT.
6564         (compute_zdepdi_operands): Limit maximum length to 64 bits.  Limit
6565         deposit length to the maximum length - lsb.  Extend length if
6566         HOST_BITS_PER_WIDE_INT is 32.
6568 2009-07-20  Olatunji Ruwase <tjruwase@google.com>
6570         * cgraph.h (constant_pool_htab): New function.
6571         (constant_descriptor_tree): Move from varasm.c.
6572         * varasm.c (constant_pool_htab): New function.
6573         (constant_descriptor_tree): Move to cgraph.h.
6575 2009-07-20  Olatunji Ruwase  <tjruwase@google.com>
6577         * toplev.c: Invoke FINISH_UNIT callbacks before call to finalize().
6579 2009-07-20  Shujing Zhao  <pearly.zhao@oracle.com>
6581         * Makefile.in (TREE_INLINE_H, tree-inline.o, cgraph.o): Remove
6582         $(VARRAY_H).
6584 2009-07-20  Xinliang David Li  <davidxl@google.com>
6586         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add length check.
6588 2009-07-20  Adam Nemet  <anemet@caviumnetworks.com>
6590         * config/mips/mips.md (move_type): Add arith.
6591         (type): Handle arith.
6592         (zero_extendsidi2): Rename this into ...
6593         (*zero_extendsidi2): ... this.  Don't match if ISA_HAS_EXT_INS.
6594         (zero_extendsidi2): New expander.
6595         (*zero_extendsidi2_dext): New pattern.
6597 2009-07-20  Nick Clifton  <nickc@redhat.com>
6599         * config.gcc (mips64-*-*): Add definition of tm_defines in order
6600         to set MIPS_ABI_DEFAULT.
6601         * config/mips/vr.h (MIPS_ABI_DEFAULT): Remove definition.
6603 2009-07-20  Jakub Jelinek  <jakub@redhat.com>
6605         * tree-object-size.c (addr_object_size): Handle unions with
6606         array in it as last field of structs in __bos (, 1) as __bos (, 0).
6608         PR tree-optimization/40792
6609         * tree.c (build_function_type_skip_args): Remove bogus assert.
6611 2009-07-20  Jan Hubicka  <jh@suse.cz>
6612             Martin Jambor  <mjambor@suse.cz>
6614         * cgraph.h (combined_args_to_skip): New field.
6615         * cgraph.c (cgraph_create_virtual_clone): Properly handle
6616         combined_args_to_skip and args_to_skip.
6617         * tree-inline.c (update_clone_info): New function.
6618         (tree_function_versioning): Call update_clone_info.
6619         * cgraphunit.c: (cgraph_materialize_clone): Dump materialized
6620         functions.
6621         (cgraph_materialize_all_clones): More extensive dumping, working
6622         with combined_args_to_skip rather than args_to_skip.
6624 2009-07-20  Ira Rosen  <irar@il.ibm.com>
6626         * tree-vectorizer.h (vectorizable_condition): Add parameters.
6627         * tree-vect-loop.c (vect_is_simple_reduction): Support COND_EXPR.
6628         (get_initial_def_for_reduction): Likewise.
6629         (vectorizable_reduction): Skip the check of first operand in case
6630         of COND_EXPR. Add check that it is outer loop vectorization if
6631         nested cycle was detected. Call vectorizable_condition() for
6632         COND_EXPR. If reduction epilogue cannot be created do not fail for
6633         nested cycles (if it is not double reduction). Assert that there
6634         is only one type in the loop in case of COND_EXPR. Call
6635         vectorizable_condition() to vectorize COND_EXPR.
6636         * tree-vect-stmts.c (vectorizable_condition): Update comment.
6637         Add parameters. Allow nested cycles if called from
6638         vectorizable_reduction(). Use reduction vector variable if provided.
6639         (vect_analyze_stmt): Call vectorizable_reduction() before
6640         vectorizable_condition().
6641         (vect_transform_stmt): Update call to vectorizable_condition().
6643 2009-07-20  Christian Bruel  <christian.bruel@st.com>
6645         * config/sh/sh.opt (-mfmovd): Resurrect and document.
6646         * doc/invoke.texi (-mfmovd): Likewise.
6647         * config/sh/sh.h (TARGET_FMOVD, MASK_FMOVD): Remove default setting.
6649 2009-07-20  Jan Hubicka  <jh@suse.cz>
6651         * tree-ssa-dce.c (remove_dead_phis): Only look for abnormal PHIs
6652         when handling SSA name.
6654 2009-07-19  Jan Hubicka  <jh@suse.cz>
6656         PR tree-optimization/40676
6657         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do renaming on all
6658         virtual PHIs in empty BBs.
6660 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
6662         * combine.c (make_compound_operation) <SUBREG>: If force_to_mode
6663         re-expanded the compound use gen_lowpart instead to convert to the
6664         desired mode.
6666 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
6668         * combine.c (try_widen_shift_mode): Add COUNT, OUTER_CODE and
6669         OUTER_CONST arguments.
6670         <LSHIFTRT>: Use them to allow widening if the bits shifted in from
6671         the new wider mode will be masked off.
6672         (simplify_shift_const_1): Adjust calls to try_widen_shift_mode.
6674 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
6676         * combine.c (try_widen_shift_mode) <LSHIFTRT>: Allow widening if the
6677         high-order bits are zero.
6679 2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>
6681         * combine.c (simplify_shift_const_1): Split code to determine
6682         shift_mode into ...
6683         (try_widen_shift_mode): ... here.  Allow widening for ASHIFTRT if the
6684         new bits shifted in are identical to the old sign bit.
6686 2009-07-18  Richard Guenther  <rguenther@suse.de>
6688         PR c/40787
6689         * gimplify.c (gimplify_call_expr): Reject code using results from
6690         functions returning void.
6692 2009-07-18  Richard Sandiford  <r.sandiford@uk.ibm.com>
6694         * doc/md.texi: Document the new PowerPC "es" constraint.
6695         Document that "m" can include automodified addresses on this target,
6696         and explain how %U must be used.  Extend the "Q" and "Z" documentation
6697         to suggest "es" as well as "m".
6698         * config/rs6000/constraints.md (es): New memory constraint.
6699         (Q, Z): Update strings to match new documentation.
6701 2009-07-18  Richard Sandiford  <r.sandiford@uk.ibm.com>
6703         * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Allow any
6704         offset from virtual_stack_vars_rtx and arg_pointer_rtx.
6705         * config/rs6000/predicates.md (volatile_mem_operand): Use
6706         offsettable_nonstrict_memref_p.
6707         * config/rs6000/rs6000.md (*floatsidf2_internal): Remove split check.
6708         (*floatunssidf2_internal): Likewise.
6709         (*fix_truncdfsi2_internal): Likewise.
6710         (*fix_trunctfsi2_internal): Likewise.
6712 2009-07-17  Anatoly Sokolov  <aesok@post.ru>
6714         * config/avr/avr-devices.c (avr_mcu_t): Add atmega8u2, atmega16u2 and
6715         atmega32u2 devices.
6716         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
6718 2009-07-17  Richard Guenther  <rguenther@suse.de>
6720         PR c/40401
6721         * tree-pass.h (pass_diagnose_omp_blocks): Declare.
6722         (pass_warn_unused_result): Likewise.
6723         (TODO_set_props): Remove.
6724         * omp-low.c (diagnose_omp_structured_block_errors): Change to
6725         run as a pass.
6726         (pass_diagnose_omp_blocks): Define.
6727         * c-decl.c (pop_file_scope): Do not finalize the CU here.
6728         (c_gimple_diagnostics_recursively): Remove.
6729         (finish_function): Do not call it.
6730         (c_write_global_declarations): Continue after errors.
6731         Finalize the CU here.
6732         * c-gimplify.c (c_genericize): Do not gimplify here.
6733         * c-common.c (c_warn_unused_result): Move ...
6734         * tree-cfg.c (do_warn_unused_result): ... here.
6735         (run_warn_unused_result): New function.
6736         (gate_warn_unused_result): New function.
6737         (pass_warn_unused_result): New pass.
6738         * c-common.h (c_warn_unused_result): Remove.
6739         * flags.h (flag_warn_unused_result): Declare.
6740         * c-opts.c (c_common_init_options): Enable flag_warn_unused_result.
6741         * opts.c (flag_warn_unused_result): Initialize to false.
6742         * toplev.c (compile_file): Add comment.
6743         * omp-low.c (create_omp_child_function): Do not register
6744         the function with the frontend.
6745         (diagnose_omp_structured_block_errors): Prepare to be
6746         called as optimization pass.
6747         (gate_diagnose_omp_blocks): New function.
6748         (pass_diagnose_omp_blocks): New pass.
6749         * cgraph.h (cgraph_optimize): Remove.
6750         (cgraph_analyze_function): Likewise.
6751         * cgraph.c (cgraph_add_new_function): Gimplify C++ thunks.
6752         * cgraphunit.c (cgraph_lower_function): Lower nested functions
6753         before their parents here.
6754         (cgraph_finalize_function): Not here.
6755         (cgraph_analyze_function): Gimplify functions here.
6756         (cgraph_finalize_compilation_unit): Continue after errors.
6757         Optimize the callgraph from here.
6758         (cgraph_optimize): Make static.
6759         * langhooks.c (write_global_declarations): Finalize the CU.
6760         * gimplify.c (gimplify_asm_expr): Do not emit ASMs with errors.
6761         (gimplify_function_tree): Assert we gimplify only once.
6762         Set PROP_gimple_any property.
6763         * tree-nested.c (gimplify_all_functions): New function.
6764         (lower_nested_functions): Gimplify all nested functions.
6765         * gimple.h (diagnose_omp_structured_block_errors): Remove.
6766         * passes.c (init_optimization_passes): Add pass_warn_unused_result
6767         and pass_diagnose_omp_blocks after gimplification.  Do not
6768         set TODO_set_props on all_lowering_passes.
6769         (execute_one_pass): Do not handle TODO_set_props.
6770         * Makefile.in (cgraphunit.o): Add $(TREE_DUMP_H) dependency.
6771         (gimplify.o): Add tree-pass.h dependency.
6772         * tree-inline.c (copy_statement_list): Properly copy STATEMENT_LIST.
6773         (copy_tree_body_r): Properly handle TARGET_EXPR like SAVE_EXPR.
6774         (unsave_r): Likewise.
6775         * c-omp.c (c_finish_omp_atomic): Set DECL_CONTEXT on the
6776         temporary variable.
6778 2009-07-17  Sandra Loosemore  <sandra@codesourcery.com>
6780         * doc/service.texi (Service): Restore previously removed link,
6781         which isn't broken after all.
6783 2009-07-17  Richard Guenther  <rguenther@suse.de>
6785         PR tree-optimization/40321
6786         * tree-ssa-pre.c (add_to_exp_gen): Also add names defined by
6787         PHI nodes to the maximal set.
6788         (make_values_for_phi): Add PHI arguments to the maximal set.
6789         (execute_pre): Dump PHI_GEN and the maximal set.
6791 2009-07-17  Jakub Jelinek  <jakub@redhat.com>
6793         PR c++/40780
6794         * gimplify.c (gimplify_conversion): Don't change non-conversions into
6795         VIEW_CONVERT_EXPR.
6797 2009-07-16  Sandra Loosemore  <sandra@codesourcery.com>
6799         * doc/extend.texi (Nested Functions): Replace broken link with
6800         textual reference.
6801         * doc/service.texi (Service): Remove broken link.
6803 2009-07-16  H.J. Lu  <hongjiu.lu@intel.com>
6805         PR bootstrap/40781
6806         * builtins.c (expand_builtin_memcmp): Use loc instead of
6807         EXPR_LOCATION (exp).
6808         (expand_builtin_strncmp): Likewise.
6810 2009-07-17  Aldy Hernandez  <aldyh@redhat.com>
6811             Manuel López-Ibáñez  <manu@gcc.gnu.org>
6813         PR 40435
6814         * tree-complex.c, tree-loop-distribution.c, tree.c, tree.h,
6815         builtins.c, fold-const.c, omp-low.c, cgraphunit.c, tree-ssa-ccp.c,
6816         tree-ssa-dom.c, gimple-low.c, expr.c, tree-ssa-ifcombine.c,
6817         c-decl.c, stor-layout.c, tree-if-conv.c, c-typeck.c, gimplify.c,
6818         calls.c, tree-sra.c, tree-mudflap.c, tree-ssa-copy.c,
6819         tree-ssa-forwprop.c, c-convert.c, c-omp.c, varasm.c,
6820         tree-inline.c, c-common.c, c-common.h, gimple.c,
6821         tree-switch-conversion.c, gimple.h, tree-cfg.c, c-parser.c,
6822         convert.c: Add location argument to fold_{unary,binary,ternary},
6823         fold_build[123], build_call_expr, build_size_arg,
6824         build_fold_addr_expr, build_call_array, non_lvalue, size_diffop,
6825         fold_build1_initializer, fold_build2_initializer,
6826         fold_build3_initializer, fold_build_call_array,
6827         fold_build_call_array_initializer, fold_single_bit_test,
6828         omit_one_operand, omit_two_operands, invert_truthvalue,
6829         fold_truth_not_expr, build_fold_indirect_ref, fold_indirect_ref,
6830         combine_comparisons, fold_builtin_*, fold_call_expr,
6831         build_range_check, maybe_fold_offset_to_address, round_up,
6832         round_down.
6834 2009-07-16  Jason Merrill  <jason@redhat.com>
6836         PR libstdc++/37907
6837         * c-common.c (c_common_reswords): Add __is_standard_layout
6838         and __is_trivial.
6839         * c-common.h (enum rid): Add RID_IS_STD_LAYOUT and RID_IS_TRIVIAL.
6840         * doc/implement-cxx.texi: New.
6841         * doc/gcc.texi: Include it.
6843 2009-07-16  DJ Delorie  <dj@redhat.com>
6845         * config/m32c/m32c.c (m32c_compare_redundant): Avoid removing
6846         compares that may be indirectly affected by previous instructions.
6848 2009-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6850         * builtins.c (do_mpc_arg2): New.
6851         (fold_builtin_2): Fold builtin cpow.
6852         * real.h (HAVE_mpc_pow): New.
6854 2009-07-16  Bingfeng Mei  <bmei@broadcom.com>
6856         * modulo-sched.c (sms_schedule): stage_count <= 1 as correct
6857         comparison to skip unprofitable schedule
6859 2009-07-16  Simon Baldwin  <simonb@google.com>
6861         * gcc.c (option_map): New flag -no-canonical-prefixes.
6862         * (display_help): Print help text for new flag.
6863         * (process_command): Move options translation and language specifics
6864         and handle new flag early.  Use it to set a function pointer to a
6865         prefix builder.  Replace make_relative_prefix calls with calls to
6866         the function pointed to.  Ignore new flag in regular options handling.
6867         * doc/invoke.texi (Overall Options): Documented -no-canonical-prefixes.
6869 2009-07-15  DJ Delorie  <dj@redhat.com>
6871         * config/mep/mep.md (sibcall_internal): Change register to avoid
6872         argument registers.
6873         (sibcall_value_internal): Likewise.
6875 2009-07-15  Eric Botcazou  <ebotcazou@adacore.com>
6877         PR rtl-optimization/40710
6878         * resource.c (mark_target_live_regs): Reset DF problem to LR.
6880 2009-07-15  Adam Nemet  <anemet@caviumnetworks.com>
6882         * config/mips/mips.md (*extenddi_truncate<mode>,
6883         *extendsi_truncate<mode>): Change type attribute to move_type
6884         with shift_shift.  Split out code handling exts from here ...
6885         (*extend<GPR:mode>_truncate<SHORT:mode>_exts): ... to this new
6886         pattern.
6887         (*extendhi_truncateqi): Change type attribute to move_type with
6888         shift_shift.  Split out code handling exts from here ...
6889         (*extendhi_truncateqi_exts): ... to this new pattern.
6891 2009-07-15  Uros Bizjak  <ubizjak@gmail.com>
6893         * config/i386/sse.md (copysign<mode>3): Use "and-not" SSE instruction
6894         instead of "and" with inverted sign bit mask value.  Use
6895         "nonimmediate_operand" for operand 1 and operand 2 predicate.
6896         Allocate registers only for operand 4 and operand 5.
6898 2009-07-15  Jakub Jelinek  <jakub@redhat.com>
6900         PR middle-end/40747
6901         * fold-const.c (fold_cond_expr_with_comparison): When folding
6902         < and <= to MIN, make sure the MIN uses the same type as the
6903         comparison's operands.
6905 2009-07-15  Richard Earnshaw  <rearnsha@arm.com>
6907         * arm.md (ior_xor): New code iterator.
6908         (split for ior/xor with shift and zero-extend): New split pattern.
6909         * arm/predicates.md (subreg_lowpart_operator): New special predicate.
6911 2009-07-15  Richard Guenther  <rguenther@suse.de>
6913         * tree-ssa-structalias.c (make_constraint_from_heapvar): Initialize
6914         offset member.
6916 2009-07-15  Richard Guenther  <rguenther@suse.de>
6918         PR middle-end/40753
6919         * alias.c (ao_ref_from_mem): Reject FUNCTION_DECL and LABEL_DECL bases.
6921 2009-07-15  Maxim Kuvyrkov  <maxim@codesourcery.com>
6923         * config/m68k/linux-unwind.h (m68k_fallback_frame_state): Update to
6924         handle 2.6.30 kernel.
6926 2009-07-15  DJ Delorie  <dj@redhat.com>
6928         * config/mep/mep.md (sibcall_internal): Change register to allow
6929         for 24-bit addresses.
6930         (sibcall_value_internal): Likewise.
6932 2009-07-14  Ghassan Shobaki  <ghassan.shobaki@amd.com>
6934         * doc/invoke.texi: Added descriptions of the  scheduling heuristics
6935         that are enabled/disabled by the flags introduced by a previous patch.
6937 2009-07-14  DJ Delorie  <dj@redhat.com>
6939         * config/mep/mep.md (sibcall_internal): Include non-toggling
6940         non-jmp case.
6941         (sibcall_value_internal): Likewise.
6943 2009-07-14  Taras Glek  <tglek@mozilla.com>
6944             Rafael Espindola  <espindola@google.com>
6946         * doc/sourcebuild.texi: Document install-plugin target.
6947         * configure.ac: Added install-plugin target to language makefiles.
6948         * configure: Regenerate.
6949         * Makefile.in: (install-plugin): Install more headers,
6950         depend on lang.install-plugin.
6952 2009-07-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
6954         * tree-vrp.c (vrp_evaluate_conditional): Mark strings for
6955         translation.
6957 2009-07-14  DJ Delorie  <dj@redhat.com>
6959         * config/mep/mep.c (mep_vliw_jmp_match): New function.
6960         * config/mep/mep-protos.h (mep_vliw_jmp_match): Prototype it.
6961         * config/mep/mep.md (sibcall_internal): Change test from
6962         mep_vliw_mode_match to mep_vliw_jmp_match.
6963         (sibcall_value_internal): Likewise.
6965 2009-07-14  Uros Bizjak  <ubizjak@gmail.com>
6967         * config/i386/sse.md (copysign<mode>3): New expander.
6968         * config/i386/i386-protos.h (ix86_build_signbit_mask): New prototype.
6969         * config/i386/i386.c (ix86_build_signbit_mask): Make public.
6970         Use ix86_build_const_vector.
6971         (enum ix86_builtins): Add IX86_BUILTIN_CPYSGNPS and
6972         IX86_BUILTIN_CPYSGNPD.
6973         (builtin_description): Add __builtin_ia32_copysignps and
6974         __builtin_ia32_copysignpd.
6975         (ix86_builtin_vectorized_function): Handle BUILT_IN_COPYSIGN
6976         and BUILT_IN_COPYSIGNF.
6978 2009-07-13  Jason Merrill  <jason@redhat.com>
6980         * builtins.c (can_trust_pointer_alignment): New fn.
6981         (get_pointer_alignment): Factor it out from here.
6982         * tree.h: Declare it.
6984 2009-07-14  David Edelsohn  <edelsohn@gnu.org>
6986         * config/rs6000/predicates.md (offsettable_mem_operand): Test
6987         RTX_AUTOINC class.
6989 2009-07-14  Dodji Seketeli  <dodji@redhat.com>
6991         PR debug/40705
6992         PR c++/403057
6993         * dwarf2.out.c (gen_type_die_with_usage): Added comment.
6995 2009-07-14  Richard Guenther  <rguenther@suse.de>
6996             Andrey Belevantsev <abel@ispras.ru>
6998         PR middle-end/40745
6999         * cfgexpand.c (partition_stack_vars): Do not bother to update
7000         alias information when not optimizing.
7002 2009-07-14  Richard Guenther  <rguenther@suse.de>
7003             Andrey Belevantsev <abel@ispras.ru>
7005         * tree-ssa-alias.h (refs_may_alias_p_1): Declare.
7006         (pt_solution_set): Likewise.
7007         * tree-ssa-alias.c (refs_may_alias_p_1): Export.
7008         * tree-ssa-structalias.c (pt_solution_set): New function.
7009         * final.c (rest_of_clean_state): Free SSA data structures.
7010         * print-rtl.c (print_decl_name): Remove.
7011         (print_mem_expr): Implement in terms of print_generic_expr.
7012         * alias.c (ao_ref_from_mem): New function.
7013         (rtx_refs_may_alias_p): Likewise.
7014         (true_dependence): Query alias-export info.
7015         (canon_true_dependence): Likewise.
7016         (write_dependence_p): Likewise.
7017         * tree-dfa.c (get_ref_base_and_extent): For void types leave
7018         size unknown.
7019         * emit-rtl.c (component_ref_for_mem_expr): Remove.
7020         (mem_expr_equal_p): Use operand_equal_p.
7021         (set_mem_attributes_minus_bitpos): Do not use
7022         component_ref_for_mem_expr.
7023         * cfgexpand.c (add_partitioned_vars_to_ptset): New function.
7024         (update_alias_info_with_stack_vars): Likewise.
7025         (partition_stack_vars): Call update_alias_info_with_stack_vars.
7026         * tree-ssa.c (delete_tree_ssa): Do not release SSA names
7027         explicitly nor clear stmt operands.
7028         Free the decl-to-pointer map.
7029         * tree-optimize.c (execute_free_datastructures): Do not free
7030         SSA data structures here.
7031         * tree-flow.h (struct gimple_df): Add decls_to_pointers member.
7032         * Makefile.in (emit-rtl.o): Add pointer-set.h dependency.
7033         (alias.o): Add tree-ssa-alias.h, pointer-set.h and $(TREE_FLOW_H)
7034         dependencies.
7035         (print-rtl.o): Add $(DIAGNOSTIC_H) dependency.
7037 2009-07-13  DJ Delorie  <dj@redhat.com>
7039         * config/mep/mep.h (CC1_SPEC): Tweak parameters to trigger
7040         unrolling at the right iteration count.
7042         * config/mep/mep.c (mep_expand_prologue): Fix frame pointer
7043         calculations.
7045 2009-07-13  Ghassan Shobaki  <ghassan.shobaki@amd.com>
7047         * haifa-sched.c (rank_for_schedule): Introduced flags to
7048         enable/disable individual scheduling heuristics.
7049         * common.opt: Introduced flags to enable/disable individual
7050         heuristics in the scheduler.
7051         * doc/invoke.texi: Introduced flags to enable/disable individual
7052         heuristics in the scheduler.
7054 2009-07-13  Kai Tietz  <kai.tietz@onevision.com>
7056         * config/i386/t-gthr-win32 (LIB2FUNCS_EXTRA): Remove file
7057         config/i386/mingw-tls.c.
7058         * config/i386/mingw-tls.c: Removed.
7060 2009-07-13  Ira Rosen  <irar@il.ibm.com>
7062         * tree-vect-loop.c (get_initial_def_for_reduction): Ensure that the
7063         checks access only relevant statements.
7064         (vectorizable_reduction): Likewise.
7066 2009-07-12  Kai Tietz  <kai.tietz@onevision.com>
7068         * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define _X86_
7069         just for 32-bit case.
7071 2009-07-12  Jan Hubicka  <jh@suse.cz>
7073         PR tree-optimization/40585
7074         * except.c (expand_resx_expr): When there already is resume
7075         instruction, produce linked list.
7076         (build_post_landing_pads): Assert that resume is empty.
7077         (connect_post_landing_pads): Handle resume lists.
7078         (dump_eh_tree): Dump resume list.
7080 2009-07-12  Ira Rosen  <irar@il.ibm.com>
7082         * tree-parloops.c (loop_parallel_p): Call vect_is_simple_reduction
7083         with additional argument.
7084         * tree-vectorizer.h (enum vect_def_type): Add
7085         vect_double_reduction_def.
7086         (vect_is_simple_reduction): Add argument.
7087         * tree-vect-loop.c (vect_determine_vectorization_factor): Fix
7088         indentation.
7089         (vect_analyze_scalar_cycles_1): Detect double reduction. Call
7090         vect_is_simple_reduction with additional argument.
7091         (vect_analyze_loop_operations): Handle exit phi nodes in case of
7092         double reduction.
7093         (reduction_code_for_scalar_code): Handle additional codes by
7094         returning ERROR_MARK for them. Fix comment and indentation.
7095         (vect_is_simple_reduction): Fix comment, add argument to specify
7096         double reduction. Detect double reduction.
7097         (get_initial_def_for_induction): Fix indentation.
7098         (get_initial_def_for_reduction): Fix comment and indentation.
7099         Handle double reduction. Create initial definitions that do not
7100         require adjustment if ADJUSTMENT_DEF is NULL. Handle additional cases.
7101         (vect_create_epilog_for_reduction): Fix comment, add argument to
7102         handle double reduction. Use PLUS_EXPR in case of MINUS_EXPR in
7103         epilogue result extraction. Create double reduction phi node and
7104         replace relevant uses.
7105         (vectorizable_reduction): Call vect_is_simple_reduction with
7106         additional argument. Fix indentation. Update epilogue code treatment
7107         according to the changes in reduction_code_for_scalar_code. Check
7108         for double reduction. Call vect_create_epilog_for_reduction with
7109         additional argument.
7110         * tree-vect-stmts.c (process_use): Handle double reduction, update
7111         documentation.
7112         (vect_mark_stmts_to_be_vectorized): Handle double reduction.
7113         (vect_get_vec_def_for_operand): Likewise.
7115 2009-07-12  Danny Smith  <dansmister@gmail.com>
7117         * config/i386/winnt.c (i386_pe_determine_dllexport_p): Don't
7118         dllexport if !TREE_PUBLIC.
7119         (i386_pe_maybe_record_exported_symbol): Assert TREE_PUBLIC.
7121 2009-07-11  Anatoly Sokolov  <aesok@post.ru>
7123         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Redefine.
7124         (avr_extra_arch_macro) Remove declatation.
7125         * config/avr/avr.c (avr_cpu_cpp_builtins): New function.
7126         (avr_extra_arch_macro) Declare as static.
7127         * config/avr/avr-protos.h (avr_cpu_cpp_builtins): Dclare.
7129 2009-07-11  Jan Hubicka  <jh@suse.cz>
7131         PR middle-end/48388
7132         * except.c (can_be_reached_by_runtime): Test for NULL aka bitmap.
7134 2009-07-11  Jakub Jelinek  <jakub@redhat.com>
7136         PR debug/40713
7137         * dwarf2out.c (dw_fde_struct): Add in_std_section and
7138         cold_in_std_section bits.
7139         (dwarf2out_begin_prologue): Initialize them.
7140         (dwarf2out_finish): Don't emit FDE range into .debug_ranges
7141         if already covered by text_section or cold_text_section range.
7143         PR rtl-optimization/40667
7144         * defaults.h (MINIMUM_ALIGNMENT): Define if not defined.
7145         * doc/tm.texi (MINIMUM_ALIGNMENT): Document it.
7146         * config/i386/i386.h (MINIMUM_ALIGNMENT): Define.
7147         * config/i386/i386.c (ix86_minimum_alignment): New function.
7148         * config/i386/i386-protos.h (ix86_minimum_alignment): New prototype.
7149         * cfgexpand.c (expand_one_var): Use MINIMIM_ALIGNMENT.
7150         * emit-rtl.c (gen_reg_rtx): Likewise.
7151         * function.c (assign_parms): Likewise.  If nominal_type needs
7152         bigger alignment than FUNCTION_ARG_BOUNDARY, use its alignment
7153         rather than passed_type's alignment.
7155         PR target/40668
7156         * function.c (assign_parm_setup_stack): Adjust
7157         MEM_OFFSET (data->stack_parm) if promoted_mode is different
7158         from nominal_mode on big endian.
7160 2009-07-11  Paolo Bonzini  <bonzini@gnu.org>
7162         * expmed.c (emit_store_flag_1): Fix choice of zero vs. sign extension.
7164 2009-07-10  DJ Delorie  <dj@redhat.com>
7166         * config/mep/mep.c (mep_can_inline_p): Correct logic, and simplify.
7168 2009-07-10  Mark Mitchell  <mark@codesourcery.com>
7170         * config/arm/thumb2.md (thumb2_cbz): Correct computation of length
7171         attribute.
7172         (thumb2_cbnz): Likewise.
7174 2009-07-10  David Daney  <ddaney@caviumnetworks.com>
7176         PR target/39079
7177         * config.gcc (supported_defaults): Add synci.
7178         (with_synci): Add validation.
7179         (all_defaults): Add synci.
7180         * config/mips/mips.md (clear_cache): Use TARGET_SYNCI instead of
7181         ISA_HAS_SYNCI.
7182         (synci): Same.
7183         * config/mips/mips.opt (msynci): New option.
7184         * config/mips/mips.c (mips_override_options): Warn on use of
7185         -msynci for targets that do now support it.
7186         * gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
7187         msynci.
7188         * gcc/doc/invoke.texi (-msynci): Document the new option.
7189         * doc/install.texi (--with-synci): Document the new option.
7191 2009-07-10  Richard Guenther  <rguenther@suse.de>
7193         PR tree-optimization/40496
7194         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Create
7195         the PHI result with a compatible type.
7197 2009-07-10  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7199         PR 25509
7200         PR 40614
7201         * c.opt (Wunused-result): New.
7202         * doc/invoke.texi: Document it.
7203         * c-common.c (c_warn_unused_result): Use it.
7205 2009-07-09  DJ Delorie  <dj@redhat.com>
7207         * targhooks.c (default_target_can_inline_p): Rename from
7208         default_target_option_can_inline_p.
7209         * targhooks.h (default_target_can_inline_p): Likewise.
7210         * target-def.h (TARGET_CAN_INLINE_P): Rename from
7211         TARGET_OPTION_CAN_INLINE_P.
7212         * config/i386/i386.c (TARGET_CAN_INLINE_P): Likewise.
7213         * config/mep/mep.c (TARGET_CAN_INLINE_P): Likewise.
7214         (mep_target_can_inline_p): Rename from
7215         mep_target_option_can_inline_p.
7217         PR target/40626
7218         * config/mep/mep.h (FUNCTION_ARG_REGNO_P): Add coprocessor
7219         registers used to pass vectors.
7221         * config/mep/mep.c (mep_option_can_inline_p): Remove error call.
7223 2009-07-09  Tom Tromey  <tromey@redhat.com>
7225         * unwind-dw2-fde-darwin.c: Include dwarf2.h.
7226         * config/mmix/mmix.c: Include dwarf2.h.
7227         * config/rs6000/darwin-fallback.c: Include dwarf2.h.
7228         * config/xtensa/unwind-dw2-xtensa.c: Include dwarf2.h.
7229         * config/sh/sh.c: Include dwarf2.h.
7230         * config/i386/i386.c: Include dwarf2.h.
7231         * Makefile.in (DWARF2_H): Remove 'elf'.
7232         * except.c: Include dwarf2.h.
7233         * unwind-dw2.c: Include dwarf2.h.
7234         * dwarf2out.c: Include dwarf2.h.
7235         * unwind-dw2-fde-glibc.c: Include dwarf2.h.
7236         * unwind-dw2-fde.c: Include dwarf2.h.
7237         * dwarf2asm.c: Include dwarf2.h.
7239 2009-07-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
7241         * haifa-sched.c (insn_finishes_cycle_p): New static function.
7242         (max_issue): Use it.
7243         * sched-int.h (struct sched_info: insn_finishes_block_p): New
7244         scheduler hook.
7245         * sched-rgn.c (rgn_insn_finishes_block_p): Implement it.
7246         (region_sched_info): Update.
7247         * sched-ebb.c (ebb_sched_info): Update.
7248         * modulo-sched.c (sms_sched_info): Update.
7249         * sel-sched-ir.c (sched_sel_haifa_sched_info): Update.
7251 2009-07-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
7253         * varasm.c (build_constant_desc): Don't share RTL in pool entries.
7255 2009-07-09  Basile Starynkevitch  <basile@starynkevitch.net>
7257         * plugin.c (try_init_one_plugin): passes RTLD_GLOBAL to dlopen.
7259 2009-07-09  Jakub Jelinek  <jakub@redhat.com>
7261         PR middle-end/40692
7262         * fold-const.c (fold_cond_expr_with_comparison): Don't replace
7263         arg1 with arg01 if arg1 is already INTEGER_CST.
7265 2009-07-08  Adam Nemet  <anemet@caviumnetworks.com>
7267         * simplify-rtx.c (simplify_binary_operation_1) <AND>:
7268         Transform (and (truncate)) into (truncate (and)).
7270 2009-07-08  Adam Nemet  <anemet@caviumnetworks.com>
7272         * combine.c (make_extraction): Check TRULY_NOOP_TRUNCATION before
7273         creating LHS paradoxical subregs.  Fix surrounding returns to
7274         use NULL_RTX rather than 0.
7276 2009-07-08  DJ Delorie  <dj@redhat.com>
7278         * config/mep/mep.c: (mep_option_can_inline_p): New.
7279         (TARGET_OPTION_CAN_INLINE_P): Define.
7281 2009-07-08  Mark Wielaard  <mjw@redhat.com>
7283         PR debug/40659
7284         * dwarf2out.c (add_data_member_location_attribute): When we have
7285         only a constant offset don't emit a new location description using
7286         DW_OP_plus_uconst, but just add the constant with add_AT_int, when
7287         dwarf_version > 2.
7289 2009-07-08  Richard Henderson  <rth@redhat.com>
7291         PR target/38900
7292         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move to i386.c.
7293         (enum reg_class): Add CLOBBERED_REGS.
7294         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Likewise.
7295         * config/i386/i386.c (ix86_conditional_register_usage): Moved
7296         from CONDITIONAL_REGISTER_USAGE; build CLOBBERED_REGS for 64-bit.
7297         (ix86_function_ok_for_sibcall): Tidy.  Disallow MS->SYSV sibcalls.
7298         (ix86_expand_call): Use sibcall_insn_operand when needed.  Don't
7299         force 64-bit sibcalls into R11.
7300         * config/i386/constraints.md (U): New constraint.
7301         * config/i386/i386.md (sibcall_1, sibcall_value_1): Use it.
7302         (sibcall_1_rex64, sibcall_value_1_rex64): Likewise.
7303         (sibcall_1_rex64_v, sibcall_value_1_rex64_v): Remove.
7305 2009-07-08  Shujing Zhao  <pearly.zhao@oracle.com>
7307         * basic-block.h (dump_regset, debug_regset): Remove duplicate
7308         prototypes.
7309         * c-objc-common.h (c_initialize_diagnostics): Ditto.
7310         * ebitmap.h (dump_ebitmap): Ditto.
7311         * optabs.h (optab_libfunc): Ditto.
7312         * tree.h (tree_expr_nonzero_warnv_p): Ditto.
7313         * tree-flow.h (vect_can_force_dr_alignment_p,
7314         get_vectype_for_scalar_type): Ditto.
7315         (vectorize_loops): Move prototype to ...
7316         * tree-vectorizer.h: ... here. Also, adjust comment.
7317         (vect_set_verbosity_level): Remove duplicate prototype.
7318         * tree-ssa-loop.c: Include tree-vectorizer.h.
7319         * Makefile.in (tree-ssa-loop.o): Depend on tree-vectorizer.h.
7321 2009-07-08  Nick Clifton  <nickc@redhat.com>
7323         * config/i386/unix.h (ASM_COMMENT_START): Add a space after the
7324         forward slash.
7326 2009-07-08  DJ Delorie  <dj@redhat.com>
7328         * config/mep/mep-ivc2.cpu (cpmovtocsar0_C3, cpmovtocsar1_C3,
7329         cpmovtocc_C3, cpmovtocsar0_P0S_P1, cpmovtocsar1_P0S_P1,
7330         cpmovtocc_P0S_P1): Mark volatile.  Note which registers are
7331         written to.
7332         * config/mep/intrinsics.md: Regenerated.
7333         * config/mep/mep.c (mep_interrupt_saved_reg): Save IVC2 control
7334         registers when asm() or calls are detected.
7336 2009-07-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7338         PR c++/31246
7339         * gimplify.c (gimplify_expr): Propagate no_warning flag when
7340         gimplifying.
7341         * gimple (gimple_build_call_from_tree): Likewise.
7342         * tree-cfg.c (remove_useless_stmts_warn_notreached): Check
7343         no_warning flag before warning.
7345 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7347         * tree.c (set_expr_locus): Remove.
7348         * tree.h (EXPR_LOCUS,SET_EXPR_LOCUS,set_expr_locus): Remove.
7349         * c-typeck.c (c_finish_stmt_expr):  Replace EXPR_LOCUS by
7350         EXPR_LOCATION.
7351         * gimplify.c (internal_get_tmp_var): Likewise.
7352         (gimplify_call_expr): Likewise.
7353         (gimplify_one_sizepos): Likewise.
7355 2009-07-07  Eric Botcazou  <ebotcazou@adacore.com>
7357         PR debug/40666
7358         * dbxout.c (dbxout_symbol) <PARM_DECL>: Deal with parameters pointing
7359         to variables for debugging purposes.
7361 2009-06-23  Mark Loeser  <mark@halcy0n.com>
7363         PR build/40010
7364         * Makefile.in (gcc.pod): Depend on gcc-vers.texi.
7366 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7368         * pretty-print.c (pp_base_format): Remove %J.
7369         * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
7370         gcc_cxxdiag_char_table): Likewise.
7371         (init_dynamic_diag_info): Likewise.
7373 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7375         * pretty-print.c (pp_base_format): Remove %H.
7376         * c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
7377         gcc_cxxdiag_char_table): Likewise.
7378         (init_dynamic_diag_info): Likewise.
7379         * config/mep/mep.c (mep_select_section): Likewise.
7381 2009-07-07  Duncan Sands  <baldrick@free.fr>
7383         * final.c (pass_clean_state): Give the pass a name.
7384         * passes.c (pass_rest_of_compilation): Likewise.
7385         * tree-optimize.c (pass_all_optimizations): Likewise.
7387 2009-07-07  H.J. Lu  <hongjiu.lu@intel.com>
7389         * config/ia64/ia64.c (ia64_handle_model_attribute): Remove
7390         an extra 'decl' for error_at.
7392 2009-07-07  Jakub Jelinek  <jakub@redhat.com>
7394         PR middle-end/40669
7395         * tree-tailcall.c (adjust_return_value_with_ops,
7396         create_tailcall_accumulator): Set DECL_GIMPLE_REG_P on the temporary
7397         if it has complex or vector type.
7399 2009-07-07  Olivier Hainque  <hainque@adacore.com>
7401         * config/alpha/t-osf4 (SHLIB_LINK): Do not hide the dummy weak
7402         pthread symbols.
7404 2009-07-07  Basile Starynkevitch  <basile@starynkevitch.net>
7406         * Makefile.in: added more lists of includes to PLUGIN_HEADERS.
7408 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7410         * cgraphunit.c: Replace %J by an explicit location.  Update all calls.
7411         * c-decl.c: Likewise.
7412         * function.c: Likewise.
7413         * varasm.c: Likewise.
7414         * tree-ssa.c: Likewise.
7415         * c-common.c: Likewise.
7416         * tree-cfg.c: Likewise.
7417         * config/spu/spu.c: Likewise.
7418         * config/ia64/ia64.c: Likewise.
7419         * config/v850/v850.c: Likewise.
7421 2009-07-06  DJ Delorie  <dj@redhat.com>
7423         * config/mep/mep-core.cpu (fsft, ssarb): Mark as VOLATILE.
7424         * config/mep/mep-ivc2.cpu (many): Add VOLATILE to more insns that make
7425         unspecified accesses to control registers.
7426         * config/mep/intrinsics.md: Regenerate.
7427         * config/mep/intrinsics.h: Regenerate.
7428         * config/mep/mep-intrin.h: Regenerate.
7430 2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>
7432         * c-lex.c: Replace %H by an explicit location. Update all calls.
7433         * c-common.c: Likewise.
7434         * c-decl.c: Likewise.
7435         * c-typeck.c: Likewise.
7436         * fold-const.c: Likewise.
7437         * gimplify.c: Likewise.
7438         * stmt.c: Likewise.
7439         * tree-cfg.c: Likewise.
7440         * tree-ssa-loop-niter.c: Likewise.
7441         * tree-vrp.c: Likewise.
7442         * value-prof.c: Likewise.
7444 2009-07-06  Diego Novillo  <dnovillo@google.com>
7446         * tree-dfa.c (dump_variable): Write DECL_INITIAL for VAR
7447         if it has one.  Handle cases where VAR does not have an
7448         annotation or cfun is NULL.
7450 2009-07-06  Diego Novillo  <dnovillo@google.com>
7452         * tree.c: Include debug.h.
7453         (initialize_tree_contains_struct): New.
7454         (init_ttree): Call it.
7455         (tree_node_structure_for_code): Factor out of ...
7456         (tree_node_structure): ... here.
7457         * treestruct.def (TS_PHI_NODE): Remove.
7458         (TS_GIMPLE_STATEMENT): Remove.
7460 2009-07-06  Diego Novillo  <dnovillo@google.com>
7462         * tree-pretty-print.c (dump_generic_node): Protect against NULL op0.
7463         (debug_tree_chain): Handle cycles.
7465 2009-07-06  Nick Clifton  <nickc@redhat.com>
7466             DJ Delorie  <dj@redhat.com>
7468         * config.sh/lib1funcs.h (FMOVD_WORKS): Only define if
7469         __FMOVD_ENABLED__ is defined.
7470         * config/sh/sh.h
7471         (TARGET_FMOVD): Provide a default definition.
7472         (MASK_FMOVD): Likewise.
7473         (TARGET_CPU_CPP_BUILTINS): Define
7474         __FMOVD_ENABLED__ if TARGET_FMOVD is true.
7475         * config/sh/sh.md (movdf_i4): For alternative 0 use either one or
7476         two fmov instructions depending upon whether TARGET_FMOVD is enabled.
7477         (split for DF load from memory into register): Also handle
7478         MEMs which consist of REG+DISP addressing.
7479         (split for DF store from register to memory): Likewise.
7480         (movsf_ie): Always use single fp_mode.
7481         * config/sh/sh.c (sh_override_options): Do not automatically
7482         enable TARGET_MOVD for the SH2A when supporting doubles - leave
7483         that to the -mfmovd command line switch.
7484         (broken_move): Do not restrict fldi test to only the SH4 and SH4A.
7485         (fldi_ok): Always allow.
7486         * config/sh/sh.opt (mfmovd): Remove this switch.
7487         * doc/invoke.texi (-mfmovd): Remove documentation of this switch.
7489 2009-07-06  J"orn Rennecke  <joern.rennecke@arc.com>
7490             Kaz Kojima  <kkojima@gcc.gnu.org>
7492         PR rtl-optimization/30807
7493         * postreload.c (reload_combine): For every new use of REG_SUM,
7494         record the use of BASE.
7496 2009-07-06  Jan Hubicka  <jh@suse.cz>
7498         * params.def: Revert my accidental commit at 2009-06-30.
7500 2009-07-04  Ian Lance Taylor  <iant@google.com>
7502         PR target/40636
7503         * config/i386/msformat-c.c (mingw_format_attributes): Declare as
7504         EXPORTED_CONST.
7505         (mingw_format_attribute_overrides): Likewise.
7507 2009-07-04  Jakub Jelinek  <jakub@redhat.com>
7509         PR debug/40596
7510         * dwarf2out.c (based_loc_descr): For crtl->stack_realign_tried
7511         don't check cfa.reg.  Instead of cfa.indirect use
7512         fde && fde->drap_reg != INVALID_REGNUM test.
7514 2009-07-04  Eric Botcazou  <ebotcazou@adacore.com>
7516         * postreload.c (reload_combine): Replace CONST_REG with INDEX_REG.
7518 2009-07-03  Vladimir Makarov  <vmakarov@redhat.com>
7520         PR target/40587
7521         * ira.c (build_insn_chain): Use DF_LR_OUT instead of df_get_live_out.
7523 2009-07-03  Richard Guenther  <rguenther@suse.de>
7525         PR tree-optimization/40640
7526         * tree-switch-conversion.c (build_arrays): Perform arithmetic
7527         in original type.
7529 2009-07-03  Jan Hubicka  <jh@suse.cz>
7531         * ipa-inline.c (cgraph_decide_inlining_incrementally): When optimizing
7532         for size, reduce amount of inlining.
7534 2009-07-03  Richard Guenther  <rguenther@suse.de>
7536         PR middle-end/34163
7537         * tree-chrec.c (chrec_convert_1): Fold (T2)(t +- x) to (T2)t +- (T2)x
7538         if t +- x is known to not overflow and the conversion widens the
7539         operation.
7540         * Makefile.in (tree-chrec.o): Add $(FLAGS_H) dependency.
7542 2009-07-03  Jan Hubicka  <jh@suse.cz>
7544         * ipa-pure-const.c (analyze): Update loop optimizer init.
7545         * tree-ssa-loop-iv-canon.c (empty_loop_p, remove_empty_loop,
7546         try_remove_empty_loop, remove_empty_loops): Remove.
7547         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): Remove.
7548         * tree-ssa-dce.c (find_obviously_necessary_stmts): Use finiteness info
7549         to mark regular loops as neccesary.
7550         (degenerate_phi_p): New function.
7551         (propagate_necessity, remove_dead_phis): Use it.
7552         (forward_edge_to_pdom): Likewise.
7553         (eliminate_unnecessary_stmts): Take care to remove uses of results of
7554         virtual PHI nodes that became unreachable.
7555         (perform_tree_ssa_dce): Initialize/deinitialize loop optimizer.
7556         * tree-flow.h (remove_empty_loops): Remove.
7557         * passes.c (init_optimization_passes): Remove.
7559 2009-07-03  Uros Bizjak  <ubizjak@gmail.com>
7561         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1): Use
7562         can_create_pseudo_p.
7563         (*fix_trunc<mode>_i387_1): Ditto.
7564         (*floathi<mode>2_1): Ditto.
7565         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): Ditto.
7566         (*fistdi2_1): Ditto.
7567         (*fist<mode>2_1): Ditto.
7568         (frndintxf2_floor): Ditto.
7569         (*fist<mode>2_floor_1): Ditto.
7570         (frndintxf2_ceil): Ditto.
7571         (*fist<mode>2_ceil_1): Ditto.
7572         (frndintxf2_trunc): Ditto.
7573         (frndintxf2_mask_pm): Ditto.
7574         (fxam<mode>2_i387_with_temp): Ditto.
7575         * config/i386/sse.md (mulv16qi3): Ditto.
7576         (*sse2_mulv4si3): Ditto.
7577         (mulv2di3): Ditto.
7578         (sse4_2_pcmpestr): Ditto.
7579         (sse4_2_pcmpistr): Ditto.
7581 2009-07-03  Jan Hubicka  <jh@suse.cz>
7583         * tree-ssa-dce.c (bb_contains_live_stmts): New bitmap.
7584         (mark_stmt_necessary): Set it.
7585         (mark_operand_necessary): Set it.
7586         (mark_control_dependent_edges_necessary): Set it.
7587         (mark_virtual_phi_result_for_renaming): New function.
7588         (get_live_post_dom): New function.
7589         (forward_edge_to_pdom): New function.
7590         (remove_dead_stmt): Fix handling of control dependences.
7591         (tree_dce_init): Init new bitmap.
7592         (tree_dce_done): Free it.
7594 2009-07-02  Richard Guenther  <rguenther@suse.de>
7596         PR bootstrap/40617
7597         * tree-ssa-structalias.c (new_var_info): Initialize
7598         is_restrict_var.
7600 2009-07-02  Jan Hubicka  <jh@suse.cz>
7602         * ipa-pure-const.c (check_op): Use PTA info to see if indirect_ref is
7603         local.
7605 2009-07-02  Paolo Bonzini  <bonzini@gnu.org>
7607         * expmed.c (emit_cstore, emit_store_flag_1): Accept target_mode
7608         instead of recomputing it.  Adjust calls.
7609         (emit_store_flag): Adjust recursive calls.
7611 2009-07-02  Richard Guenther  <rguenther@suse.de>
7613         * tree-ssa-live.c (remove_unused_locals): Do not remove
7614         heap variables.
7615         * tree-ssa-structalias.c (handle_lhs_call): Delay setting
7616         of DECL_EXTERNAL for HEAP variables.
7617         (compute_points_to_sets): Set DECL_EXTERNAL for escaped
7618         HEAP variables.  Do not adjust RESTRICT vars.
7619         (find_what_var_points_to): Nobody cares if something
7620         points to READONLY.
7622 2009-07-02  Ben Elliston  <bje@au.ibm.com>
7624         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Move
7625         pc_low and pc_high declarations to the top of the function.
7627 2009-07-01  DJ Delorie  <dj@redhat.com>
7629         * config/mep/mep.c (mep_handle_option): Leave IVC2 control
7630         registers as fixed.
7631         (mep_interrupt_saved_reg): Save appropriate IVC2 control registers.
7632         * config/mep/mep-ivc2.cpu: Add VOLATILE to insns that make
7633         unspecified accesses to control registers.
7634         * config/mep/intrinsics.md: Regenerate.
7635         * config/mep/intrinsics.h: Regenerate.
7636         * config/mep/mep-intrin.h: Regenerate.
7638 2009-07-01  Anthony Green  <green@moxielogic.com>
7640         * config/moxie/moxie.c (moxie_expand_prologue): Use dec
7641         instruction when possible.
7642         (moxie_expand_prologue): Ditto.  Also, save an instruction and
7643         some complexity by popping off of $r12 instead of $sp.
7644         * config/moxie/moxie.md (movsi_pop): Don't assume $sp.  Take two
7645         operands.
7647 2009-07-01  Richard Henderson  <rth@redhat.com>
7649         PR bootstrap/40347
7650         * function.c (reposition_prologue_and_epilogue_notes): If epilogue
7651         contained no insns, reposition note before last insn.
7653 2009-07-01  Richard Henderson  <rth@redhat.com>
7655         PR debug/40431
7656         * dwarf2out.c (def_cfa_1): Revert 2009-06-11 change for
7657         DW_CFA_def_cfa_offset and DW_CFA_def_cfa.
7659 2009-07-01  Michael Meissner  <meissner@linux.vnet.ibm.com>
7661         PR bootstrap/40558
7662         * config/rs6000/rs6000.c (print_operand): Undo change that breaks
7663         darwin9 for printing reg addresses with %y.
7665 2009-07-01  Adam Nemet  <anemet@caviumnetworks.com>
7667         * combine.c (force_to_mode): Handle TRUNCATE.  Factor out
7668         truncation from operands in binary operations.
7670 2009-07-01  Adam Nemet  <anemet@caviumnetworks.com>
7672         Revert:
7673         2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
7674         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
7675         subreg of op0 to the original op0.
7677         * expmed.c (store_bit_field_1): Use a temporary as the destination
7678         instead of a paradoxical subreg when we need to truncate the result.
7680 2009-07-01  DJ Delorie  <dj@redhat.com>
7682         * config/mep/mep-ivc2.cpu (cmov, cmovc, cmovh): Add intrinsic
7683         names to VLIW variants.
7684         (ivc2rm, ivc2crn): Make data type consistent with non-VLIW variants.
7685         * config/mep/intrinsics.md: Regenerate.
7686         * config/mep/intrinsics.h: Regenerate.
7687         * config/mep/mep-intrin.h: Regenerate.
7689 2009-07-01  Jakub Jelinek  <jakub@redhat.com>
7691         PR debug/40462
7692         * jump.c (returnjump_p): Revert last patch.
7693         * dwarf2out.c (dwarf2out_begin_epilogue): Handle SEQUENCEs.
7695 2009-07-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7697         PR target/40575
7698         * pa.md (casesi32p): Use jump table label to determine the offset
7699         of the jump table.
7700         (casesi64p): Likewise.
7702         * pa.c (forward_branch_p): Return bool type.  Use instruction
7703         addresses when available.  Assert that INSN has a jump label.
7704         (pa_adjust_insn_length): Don't call forward_branch_p if INSN doesn't
7705         have a jump label.
7707 2009-07-01  Richard Guenther  <rguenther@suse.de>
7709         PR tree-optimization/19831
7710         * tree-ssa-dce.c (propagate_necessity): Calls to functions
7711         that only act as barriers do not make any previous stores necessary.
7712         * tree-ssa-structalias.c (handle_lhs_call): Delay making
7713         HEAP variables global, do not add a constraint from nonlocal.
7714         (find_func_aliases): Handle escapes through return statements.
7715         (compute_points_to_sets): Make escaped HEAP variables global.
7717 2009-07-01  Paolo Bonzini  <bonzini@gnu.org>
7719         PR bootstrap/40597
7720         * expmed.c (emit_store_flag): Perform a conversion if necessary,
7721         after reducing a DImode cstore to SImode.
7723 2009-07-01  Paolo Bonzini  <bonzini@gnu.org>
7725         * expr.c (expand_expr_real_1): Reinstate fallthrough to
7726         TRUTH_ANDIF_EXPR if do_store_flag returns NULL.
7728 2009-07-01  Maciej W. Rozycki  <macro@linux-mips.org>
7730         * config/vax/vax.h (TARGET_BSD_DIVMOD): New macro.  Set to 1.
7731         * config/vax/linux.h (TARGET_BSD_DIVMOD): New macro.  Redefine the
7732         to 0.
7733         * config/vax/vax.c (vax_init_libfuncs): Only redefine udiv_optab
7734         and umod_optab if TARGET_BSD_DIVMOD.
7735         * config/vax/lib1funcs.asm: New file.
7736         * config/vax/t-linux: New file.
7737         * config.gcc (vax-*-linux*): Set tmake_file to vax/t-linux.
7739 2009-06-30  Jakub Jelinek  <jakub@redhat.com>
7741         PR c++/40566
7742         * convert.c (convert_to_integer) <case COND_EXPR>: Don't convert
7743         to type arguments that have void type.
7745         PR debug/40573
7746         * dwarf2out.c (gen_formal_parameter_die): Call
7747         equate_decl_number_to_die if node is different from origin.
7749 2009-06-30  Anthony Green  <green@moxielogic.com>
7751         Clean up moxie port for --enable-build-with-cxx.
7752         * config/moxie/moxie.c (moxie_function_value): First two
7753         parameters are const_tree, not tree.
7754         * config/moxie/moxie.h (enum reg_class): Rename CC_REG to CC_REGS.
7755         (REG_CLASS_NAMES): Ditto.
7756         (REGNO_REG_CLASS): Ditto.
7757         * config/moxie/moxie-protos.h (moxie_override_options): Declare.
7758         (moxie_function_value): Fix constyness of arguments.
7760 2009-06-30  Eric Botcazou  <ebotcazou@adacore.com>
7762         * cgraphunit.c (cgraph_finalize_compilation_unit): Call
7763         finalize_size_functions before further processing.
7764         * stor-layout.c: Include cgraph.h, tree-inline.h and tree-dump.h.
7765         (variable_size): Call self_referential_size on size expressions
7766         that contain a PLACEHOLDER_EXPR.
7767         (size_functions): New static variable.
7768         (copy_self_referential_tree_r): New static function.
7769         (self_referential_size): Likewise.
7770         (finalize_size_functions): New global function.
7771         * tree.c: Include tree-inline.h.
7772         (push_without_duplicates): New static function.
7773         (find_placeholder_in_expr): New global function.
7774         (substitute_in_expr) <tcc_declaration>: Return the replacement object
7775         on equality.
7776         <tcc_expression>: Likewise.
7777         <tcc_vl_exp>: If the replacement object is a constant, try to inline
7778         the call in the expression.
7779         * tree.h (finalize_size_functions): Declare.
7780         (find_placeholder_in_expr): Likewise.
7781         (FIND_PLACEHOLDER_IN_EXPR): New macro.
7782         (substitute_placeholder_in_expr): Update comment.
7783         * tree-inline.c (remap_decl): Do not unshare trees if do_not_unshare
7784         is true.
7785         (copy_tree_body_r): Likewise.
7786         (copy_tree_body): New static function.
7787         (maybe_inline_call_in_expr): New global function.
7788         * tree-inline.h (struct copy_body_data): Add do_not_unshare field.
7789         (maybe_inline_call_in_expr): Declare.
7790         * Makefile.in (tree.o): Depend on TREE_INLINE_H.
7791         (stor-layout.o): Depend on CGRAPH_H, TREE_INLINE_H, TREE_DUMP_H and
7792         GIMPLE_H.
7794 2009-06-30  Richard Guenther  <rguenther@suse.de>
7796         * tree-ssa-dce.c (mark_all_reaching_defs_necessary_1): Always
7797         continue walking.
7798         (propagate_necessity): Do not mark reaching defs of stores
7799         as necessary.
7801 2009-06-30  Jan Hubicka  <jh@suse.cz>
7803         * cfgloopanal.c (check_irred): Move into ...
7804         (mark_irreducible_loops): ... here; return true if ireducible
7805         loops was found.
7806         * ipa-pure-const.c: Include cfgloop.h and tree-scalar-evolution.h
7807         (analyze_function): Try to prove loop finiteness.
7808         * cfgloop.h (mark_irreducible_loops): Update prototype.
7809         * Makefile.in (ipa-pure-const.o): Add dependency on SCEV and CFGLOOP.
7811 2009-06-30  Basile Starynkevitch  <basile@starynkevitch.net>
7813         * Makefile.in (PLUGIN_HEADERS): added ggc, tree-dump, pretty-print.
7815 2009-06-30  Ira Rosen  <irar@il.ibm.com>
7817         PR tree-optimization/40542
7818         * tree-vect-stmts.c (vect_analyze_stmt): Don't vectorize volatile
7819         types.
7821 2009-06-30  Martin Jambor  <mjambor@suse.cz>
7823         PR tree-optimization/40582
7824         * tree-sra.c (build_ref_for_offset_1): Use types_compatible_p rather
7825         than useless_type_conversion_p.
7826         (generate_subtree_copies): Increment sra_stats.subtree_copies at a
7827         proper place.
7829 2009-06-30  Martin Jambor  <mjambor@suse.cz>
7831         PR middle-end/40554
7832         * tree-sra.c (sra_modify_expr): Add access->offset to start_offset.
7834 2009-06-30  Richard Guenther  <rguenther@suse.de>
7836         * tree-ssa-alias.c (walk_aliased_vdefs_1): Change interface to
7837         use ao_ref references.
7838         (walk_aliased_vdefs): Likewise.
7839         * tree-ssa-alias.h (walk_aliased_vdefs): Adjust prototype.
7840         * tree-ssa-dce.c (struct ref_data): Remove.
7841         (mark_aliased_reaching_defs_necessary_1): Use the ao_ref argument.
7842         (mark_aliased_reaching_defs_necessary): Adjust.
7843         (mark_all_reaching_defs_necessary_1): Likewise.
7845 2009-06-30  Paolo Bonzini  <bonzini@gnu.org>
7847         PR boostrap/40597
7848         * expmed.c (emit_cstore): New name of emit_store_flag_1.
7849         (emit_store_flag_1): Extract from emit_store_flag, adjust
7850         calls to (what now is) emit_cstore.
7851         (emit_store_flag): Call emit_store_flag_1 and also use it
7852         for what used to be recursive calls.
7854 2009-06-30  Wei Guozhi  <carrot@google.com>
7856         PR/40416
7857         * tree-ssa-sink.c (statement_sink_location): Stop sinking expression
7858         if the target bb post dominates from bb.
7859         * config/i386/i386.c (memory_address_length): Check existence of base
7860         register before using it.
7862 2009-06-30  Nick Clifton  <nickc@redhat.com>
7863             DJ Delorie  <dj@redhat.com>
7865         * config.sh/lib1funcs.h (FMOVD_WORKS): Only define if
7866         __FMOVD_ENABLED__ is defined.
7867         * config/sh/sh.h
7868         (TARGET_FMOVD): Provide a default definition.
7869         (MASK_FMOVD): Likewise.
7870         (TARGET_CPU_CPP_BUILTINS): Define
7871         __FMOVD_ENABLED__ if TARGET_FMOVD is true.
7872         * config/sh/sh.md (movdf_i4): For alternative 0 use either one or
7873         two fmov instructions depending upon whether TARGET_FMOVD is
7874         enabled.
7875         (split for DF load from memory into register): Also handle
7876         MEMs which consist of REG+DISP addressing.
7877         (split for DF store from register to memory): Likewise.
7878         * config/sh/sh.opt (mfmovd): Remove this switch.
7879         * doc/invoke.texi (-mfmovd): Remove documentation of this switch.
7880         * config/sh/sh.c (sh_override_options): Do not automatically
7881         enable TARGET_MOVD for the SH2A when supporting doubles - leave
7882         that to the -mfmovd command line switch.
7884         * config/sh/sh.c (broken_move): Do not restrict fldi test to only
7885         the SH4 and SH4A.
7886         (fldi_ok): Always allow.
7887         * config/sh/sh.md (movsf_ie): Always use single fp_mode.
7889 2009-06-29  DJ Delorie  <dj@redhat.com>
7891         * doc/install.texi (mep-x-elf): Correct chip's full name.
7893 2009-06-29  H.J. Lu  <hongjiu.lu@intel.com>
7895         * doc/extend.texi: Fix typo.
7897 2009-06-29  Tom Tromey  <tromey@redhat.com>
7899         * dwarf2.h: Remove.
7900         * Makefile.in (DWARF2_H): New variable.
7901         (except.o): Use it.
7902         (dwarf2out.o): Likewise.
7903         (dwarf2asm.o): Likewise.
7904         * config/i386/t-i386: Use DWARF2_H.
7905         * except.c: Include elf/dwarf2.h.
7906         * unwind-dw2.c: Include elf/dwarf2.h.
7907         * dwarf2out.c: Include elf/dwarf2.h.
7908         (dw_loc_descr_struct) <dw_loc_opc>: Now a bitfield.
7909         <dtprel>: New field.
7910         (dwarf_stack_op_name): Don't handle INTERNAL_DW_OP_tls_addr.
7911         (size_of_loc_descr): Likewise.
7912         (output_loc_operands_raw): Likewise.
7913         (output_loc_operands): Handle new dtprel field.
7914         (loc_checksum): Update.
7915         (loc_descriptor_from_tree_1) <VAR_DDECL>: Set dtprel field.
7916         * unwind-dw2-fde-glibc.c: Include elf/dwarf2.h.
7917         * unwind-dw2-fde.c: Include elf/dwarf2.h.
7918         * dwarf2asm.c: Include elf/dwarf2.h.
7919         * unwind-dw2-fde-darwin.c: Include elf/dwarf2.h.
7920         * config/mmix/mmix.c: Include elf/dwarf2.h.
7921         * config/rs6000/darwin-fallback.c: Include elf/dwarf2.h.
7922         * config/xtensa/unwind-dw2-xtensa.c: Include elf/dwarf2.h.
7923         * config/sh/sh.c: Include elf/dwarf2.h.
7924         * config/i386/i386.c: Include elf/dwarf2.h.
7926 2009-06-29  DJ Delorie  <dj@redhat.com>
7928         * config/mep/mep.h (CPP_SPEC): Remove __cop macro.
7930         * doc/extend.texi: Add MeP attributes and pragmas.
7931         * doc/invoke.text: Add MeP Options.
7932         * doc/contrib.texi: Add MeP contribution.
7933         * doc/md.texi: Add MeP constraints.
7934         * doc/install.texi: Add MeP target.
7936 2009-06-30  Anatoly Sokolov  <aesok@post.ru>
7938         * target.h (struct gcc_target): Add frame_pointer_required field.
7939         * target-def.h (TARGET_FRAME_POINTER_REQUIRED): New.
7940         (TARGET_INITIALIZER): Use TARGET_FRAME_POINTER_REQUIRED.
7941         * ira.c (setup_eliminable_regset): Use frame_pointer_required target
7942         hook.
7943         * reload1.c (update_eliminables): (Ditto.).
7944         * gcc/system.h (FRAME_POINTER_REQUIRED): Poison.
7945         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
7946         (INITIAL_FRAME_POINTER_OFFSET): (Ditto.).
7948         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Remove macro.
7950         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Remove macro.
7951         * config/arm/arm.c (TARGET_FRAME_POINTER_REQUIRED): Define.
7952         (arm_frame_pointer_required): New function.
7954         * config/avr/avr.h (FRAME_POINTER_REQUIRED): Remove macro.
7955         * config/avr/avr.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
7956         (avr_frame_pointer_required_p): Declare as static.
7957         * config/avr/avr-protos.h (avr_frame_pointer_required_p): Remove.
7959         * config/bfin/bfin.h (FRAME_POINTER_REQUIRED): Remove macro.
7960         * config/bfin/bfin.c (TARGET_FRAME_POINTER_REQUIRED): Define.
7961         (bfin_frame_pointer_required): Make as static, change return type
7962         to bool.
7963         * config/bfin/bfin-protos.h (bfin_frame_pointer_required): Remove.
7965         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Remove macro.
7966         * config/cris/cris.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
7967         (cris_frame_pointer_required): New function.
7969         * config/crx/crx.h (FRAME_POINTER_REQUIRED): Remove macro.
7971         * config/fr30/fr30.h (FRAME_POINTER_REQUIRED): Remove macro.
7972         * config/fr30/fr30.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
7973         (fr30_frame_pointer_required): New function.
7975         * config/frv/frv.h (FRAME_POINTER_REQUIRED): Remove macro.
7976         * config/frv/frv.c (TARGET_FRAME_POINTER_REQUIRED): Define.
7977         (frv_frame_pointer_required): Make as static, change return type
7978         to bool.
7979         * config/bfin/bfin-protos.h (frv_frame_pointer_required): Remove.
7981         * config/i386/i386.h (FRAME_POINTER_REQUIRED): Remove macro.
7982         * config/i386/i386.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
7983         (ix86_frame_pointer_required): Make as static, change return type to
7984         bool.
7985         * config/i386/i386-protos.h (ix86_frame_pointer_required): Remove.
7987         * config/m32c/m32c.h (FRAME_POINTER_REQUIRED): Remove macro.
7988         * config/m32c/m32c.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
7990         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Remove macro.
7992         * config/mcore/mcore.h (CAN_ELIMINATE): Remove macro.
7994         * config/mep/mep.h (FRAME_POINTER_REQUIRED): Remove macro.
7996         * config/mips/mips.h (FRAME_POINTER_REQUIRED): Remove macro.
7997         * config/mips/mips.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
7998         (mips_frame_pointer_required): Make as static.
7999         * config/mips/mips-protos.h (mips_frame_pointer_required): Remove.
8001         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Remove macro.
8002         * config/mmix/mmix.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
8003         (mmix_frame_pointer_required): Mew function.
8005         * config/moxie/moxie.h (FRAME_POINTER_REQUIRED): Remove macro.
8006         * config/moxie/moxie.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
8008         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Remove macro.
8010         * config/score/score.h (FRAME_POINTER_REQUIRED): Remove macro.
8012         * config/sh/sh.h (CAN_ELIMINATE): Remove macro.
8014         * config/sparc/sparc.h (FRAME_POINTER_REQUIRED): Remove macro.
8015         (CAN_ELIMINATE): Redefine.
8016         * config/sparc/sparc.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
8017         (sparc_frame_pointer_required): New function.
8018         (sparc_can_eliminate): New function.
8019         * config/sparc/sparc-protos.h (sparc_can_eliminate): Declare.
8021         * config/vax/vax.h (FRAME_POINTER_REQUIRED): Remove macro.
8022         * config/vax/vax.c (TARGET_FRAME_POINTER_REQUIRED): Define.
8024         * config/xtensa/xtensa.h (FRAME_POINTER_REQUIRED): Remove macro.
8025         * config/xtensa/xtensa.c (TARGET_FRAME_POINTER_REQUIRED): Define.
8026         (xtensa_frame_pointer_required): Make as static, change return type
8027         to bool.
8028         * config/xtensa/xtensa-protos.h (xtensa_frame_pointer_required):
8029         Remove.
8031 2009-06-29  Olatunji Ruwase  <tjruwase@google.com>
8033         * doc/plugins.texi: Document PLUGIN_START_UNIT.
8034         * toplev.c (compile_file): Call PLUGIN_START_UNIT.
8035         * gcc-plugin.h (PLUGIN_START_UNIT): Added new event.
8036         * plugin.c (plugin_event_name): Added PLUGIN_START_UNIT.
8037         (register_callback): Handle PLUGIN_START_UNIT.
8038         (invoke_plugin_callbacks): Handle PLUGIN_START_UNIT.
8040 2009-06-29  Eric Botcazou  <ebotcazou@adacore.com>
8042         * tree.c (process_call_operands): Propagate TREE_READONLY from the
8043         operands.
8044         (PROCESS_ARG): Do not clear TREE_READONLY if CONSTANT_CLASS_P.
8045         (build3_stat): Propagate TREE_READONLY for COND_EXPR.
8047 2009-06-29  Daniel Jacobowitz  <dan@codesourcery.com>
8049         * config/arm/arm.h (REGISTER_MOVE_COST): Increase VFP register
8050         move cost.
8052 2009-06-29  Uros Bizjak  <ubizjak@gmail.com>
8054         * doc/extend.texi (Additional Floating Types): __float128 is also
8055         supported on i386 targets.
8057 2009-06-29  Richard Guenther  <rguenther@suse.de>
8059         PR middle-end/14187
8060         * tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
8061         flag.
8062         (pt_solutions_same_restrict_base): Declare.
8063         * tree-ssa-structalias.c (struct variable_info): Add is_restrict_var
8064         flag.
8065         (new_var_info): Initialize is_global_var properly for SSA_NAMEs.
8066         (make_constraint_from, make_copy_constraint): Move earlier.
8067         (make_constraint_from_heapvar): New function.
8068         (make_constraint_from_restrict): Likewise.
8069         (handle_lhs_call): Use it.
8070         (find_func_aliases): Use it to track conversions to restrict
8071         qualified pointers.
8072         (struct fieldoff): Add only_restrict_pointers flag.
8073         (push_fields_onto_fieldstack): Initialize it.
8074         (create_variable_info_for): Track global restrict qualified pointers.
8075         (intra_create_variable_infos): Use make_constraint_from_heapvar.
8076         Track restrict qualified pointer arguments.
8077         (set_uids_in_ptset): Use varinfo is_global_var flag.
8078         (find_what_var_points_to): Set the vars_contains_restrict flag.
8079         Always create the points-to solution for sets including restrict tags.
8080         (pt_solutions_same_restrict_base): New function.
8081         * tree-ssa-alias.c (ptr_derefs_may_alias_p): For two restrict
8082         qualified pointers use pt_solutions_same_restrict_base as
8083         additional source for disambiguation.
8085 2009-06-29  Richard Guenther  <rguenther@suse.de>
8087         PR middle-end/38212
8088         * alias.c (find_base_decl): Remove.
8089         (get_deref_alias_set_1): Remove restrict handling.
8090         * c-common.c (c_apply_type_quals_to_decl): Do not set
8091         DECL_POINTER_ALIAS_SET.
8092         * gimplify.c (find_single_pointer_decl_1): Remove.
8093         (find_single_pointer_decl): Likewise.
8094         (internal_get_tmp_var): Remove restrict handling.
8095         (gimple_regimplify_operands): Likewise.
8096         * omp-low.c (expand_omp_atomic_pipeline): Do not set
8097         DECL_POINTER_ALIAS_SET. Use ref-all pointers.
8098         * print-tree.c (print_node): Do not print DECL_POINTER_ALIAS_SET.
8099         * tree.c (restrict_base_for_decl): Remove.
8100         (init_ttree): Do not allocate it.
8101         (make_node_stat): Do not set DECL_POINTER_ALIAS_SET.  Set
8102         LABEL_DECL_UID for label decls.
8103         (copy_node_stat): Do not copy restrict information.
8104         (decl_restrict_base_lookup): Remove.
8105         (decl_restrict_base_insert): Likewise.
8106         (print_restrict_base_statistics): Likewise.
8107         (dump_tree_statistics): Do not call print_restrict_base_statistics.
8108         * tree.h (DECL_POINTER_ALIAS_SET): Remove.
8109         (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
8110         (struct tree_decl_common): Rename pointer_alias_set to label_decl_uid.
8111         (LABEL_DECL_UID): Adjust.
8112         (DECL_BASED_ON_RESTRICT_P): Remove.
8113         (DECL_GET_RESTRICT_BASE): Likewise.
8114         (SET_DECL_RESTRICT_BASE): Likewise.
8115         (struct tree_decl_with_vis): Remove based_on_restrict_p flag.
8117         * config/i386/i386.c (ix86_gimplify_va_arg): Use ref-all pointers
8118         instead of DECL_POINTER_ALIAS_SET.
8119         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
8120         * config/s390/s390.c (s390_gimplify_va_arg): Likewise.
8121         * config/spu/spu.c (spu_gimplify_va_arg_expr): Likewise.
8123 2009-06-29  Richard Guenther  <rguenther@suse.de>
8125         PR tree-optimization/40579
8126         * tree-vrp.c (vrp_evaluate_conditional): Bail out early if
8127         the IL to simplify has constants that overflowed.
8129 2009-06-28  Uros Bizjak  <ubizjak@gmail.com>
8131         PR tree-optimization/40550
8132         * tree-vect-generic.c (expand_vector_operations_1): Compute in
8133         vector_compute_type only when the size of vector_compute_type is
8134         less than the size of type.
8136 2009-06-28  Eric Botcazou  <ebotcazou@adacore.com>
8138         * fold-const.c (contains_label_1): Fix comments.
8139         (contains_label_p): Do not walk trees multiple time.
8141 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
8143         * config/i386/i386.h (enum ix86_fpcmp_strategy): New.
8144         * config/i386/i386.md (cbranchxf4, cstorexf4, cbranch<MODEF>4,
8145         cstore<MODEF>4, mov<X87MODEF>cc): Change predicate to
8146         ix86_fp_comparison_operator.
8147         (*fp_jcc_1_mixed, *fp_jcc_1_sse, *fp_jcc_1_387, *fp_jcc_2_mixed,
8148         *fp_jcc_2_sse, *fp_jcc_2_387): Delete
8149         (*fp_jcc_3_387, *fp_jcc_4_387, *fp_jcc_5_387, *fp_jcc_6_387,
8150         *fp_jcc_7_387, *fp_jcc_8<MODEF>_387): Eliminate call to
8151         !ix86_use_fcomi_compare, change ix86_fp_jump_nontrivial_p call
8152         to !TARGET_CMOVE, change predicate to ix86_fp_comparison_operator.
8153         (related splits): Change predicate to ix86_fp_comparison_operator.
8154         * config/i386/predicates.md: Use ix86_trivial_fp_comparison_operator
8155         instead of ix86_fp_comparison_codes.
8156         (ix86_trivial_fp_comparison_operator,
8157         ix86_fp_comparison_operator): New.
8158         * config/i386/i386-protos.h (ix86_fp_comparison_strategy): New.
8159         (ix86_expand_compare): Eliminate last two parameters.
8160         (ix86_fp_jump_nontrivial_p): Kill.
8161         * config/i386/i386.c (put_condition_code): Eliminate call to
8162         ix86_fp_comparison_codes and subsequent assertion.
8163         (ix86_fp_comparison_codes): Eliminate.
8164         (ix86_fp_swap_condition): New.
8165         (ix86_fp_comparison_arithmetics_cost, ix86_fp_comparison_fcomi_cost,
8166         ix86_fp_comparison_sahf_cost, ix86_use_fcomi_compare): Consolidate
8167         into ix86_fp_comparison_cost and ix86_fp_comparison_strategy.
8168         (ix86_prepare_fp_compare_args): Use ix86_fp_comparison_strategy
8169         and ix86_fp_swap_condition.
8170         (ix86_expand_fp_compare): Eliminate code for second jump/bypass jump.
8171         Use ix86_fp_comparison_strategy.
8172         (ix86_expand_compare): Likewise.  Eliminate last two arguments.
8173         (ix86_fp_jump_nontrivial_p): Eliminate.
8174         (ix86_expand_branch): Treat SFmode/DFmode/XFmode as simple.  Adjust
8175         call to ix86_expand_compare.
8176         (ix86_split_fp_branch, ix86_expand_setcc,
8177         ix86_expand_carry_flag_compare, ix86_expand_int_movcc,
8178         ix86_expand_fp_movcc): Eliminate code for second jump/bypass jump.
8180 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
8182         * config/arm/arm.c (arm_final_prescan_ins): Eliminate code
8183         related to jump_clobbers.
8184         * config/arm/arm.md (conds): Remove jump_clob case.
8185         (addsi3_cbranch, addsi3_cbranch_scratch, subsi3_cbranch, two
8186         splits): Change comparison_operator to arm_comparison_operator.
8187         (*arm_buneq, *arm_bltgt, *arm_buneq_reversed, *arm_bltgt_reversed):
8188         Eliminate.
8190 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
8192         * dojump.c (do_compare_rtx_and_jump): Try swapping the
8193         condition for floating point modes.
8194         * expmed.c (emit_store_flag_1): Move here a bigger part
8195         of emit_store_flag.
8196         (emit_store_flag): Try swapping the condition for floating point
8197         modes.
8198         * optabs.c (emit_cmp_and_jump_insns): Cope with constant op0 better.
8200 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
8202         * expr.c (expand_expr_real_1): Just use do_store_flag.
8203         (do_store_flag): Drop support for TRUTH_NOT_EXPR.  Use
8204         emit_store_flag_force.
8205         * expmed.c (emit_store_flag_force): Copy here trick
8206         previously in expand_expr_real_1.  Try reversing the comparison.
8207         (emit_store_flag_1): Work if target is NULL.
8208         (emit_store_flag): Work if target is NULL, using the result mode
8209         from the comparison.  Use split_comparison, restructure final part
8210         to simplify conditionals.
8212 2009-06-28  Paolo Bonzini  <bonzini@gnu.org>
8214         * builtins.c (expand_errno_check): Use do_compare_rtx_and_jump.
8215         * dojump.c (do_jump): Change handling of floating-point
8216         ops to use just do_compare_and_jump.
8217         (split_comparison): New.
8218         (do_compare_rtx_and_jump): Add here logic coming previously
8219         in do_jump, using split_comparison.
8221 2009-06-27  H.J. Lu  <hongjiu.lu@intel.com>
8223         PR target/40489
8224         * config/ia64/ia64.c (ia64_reorg): Check NULL insn.
8226 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
8228         * tree-ssa-alias.c: Fix unintentional commit.
8230 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
8232         * passes.c (execute_one_pass): Fix unintentional commit.
8234 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
8236         * df-problems.c (df_set_seen, df_unset_seen): Delete.
8237         (df_rd_local_compute, df_md_local_compute): Inline them.
8239         (df_md_scratch): New.
8240         (df_md_alloc, df_md_free): Allocate/free it.
8241         (df_md_local_compute): Only include live registers in init.
8242         (df_md_transfer_function): Prune the in-set computed by
8243         the confluence function, and the gen-set too.
8245 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
8247         PR rtl-optimization/26854
8248         * timevar.def: Remove TV_DF_RU, add TV_DF_MD.
8249         * df-problems.c (df_rd_add_problem): Fix comment.
8250         (df_md_set_bb_info, df_md_free_bb_info, df_md_alloc,
8251         df_md_simulate_artificial_defs_at_top,
8252         df_md_simulate_one_insn, df_md_bb_local_compute_process_def,
8253         df_md_bb_local_compute, df_md_local_compute, df_md_reset,
8254         df_md_transfer_function, df_md_init, df_md_confluence_0,
8255         df_md_confluence_n, df_md_free, df_md_top_dump, df_md_bottom_dump,
8256         problem_MD, df_md_add_problem): New.
8257         * df.h (DF_MD, DF_MD_BB_INFO, struct df_md_bb_info, df_md,
8258         df_md_get_bb_info): New.
8259         (DF_LAST_PROBLEM_PLUS1): Adjust.
8261         * Makefile.in (fwprop.o): Include domwalk.h.
8262         * fwprop.c: Include domwalk.h.
8263         (reg_defs, reg_defs_stack): New.
8264         (bitmap_only_bit_between): Remove.
8265         (process_defs): New.
8266         (process_uses): Use reg_defs and local_md instead of
8267         bitmap_only_bit_between and local_rd.
8268         (single_def_use_enter_block): New, from build_single_def_use_links.
8269         (single_def_use_leave_block): New.
8270         (build_single_def_use_links): Remove code moved to
8271         single_def_use_enter_block, invoke domwalk.
8272         (use_killed_between): Adjust comment.
8274 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
8276         * bitmap.h (bitmap_ior_and_into): New.
8277         * bitmap.c (bitmap_ior_and_into): New.
8279 2009-06-27  Paolo Bonzini  <bonzini@gnu.org>
8281         * domwalk.h (struct dom_walk_data): Remove all callbacks except
8282         before_dom_children_before_stmts and after_dom_children_after_stmts.
8283         Rename the two remaining callbacks to just before_dom_children and
8284         after_dom_children. Remove other GIMPLE statement walking bits.
8285         * domwalk.c (walk_dominator_tree): Remove now unsupported features.
8286         * graphite.c: Do not include domwalk.h.
8287         * tree-into-ssa.c (interesting_blocks): New global.
8288         (struct mark_def_sites_global_data): Remove it and names_to_rename.
8289         (mark_def_sites, rewrite_stmt, rewrite_add_phi_arguments,
8290         rewrite_update_stmt, rewrite_update_phi_arguments): Simplify
8291         now that they're not domwalk callbacks.
8292         (rewrite_initialize_block): Rename to...
8293         (rewrite_enter_block): ... this, place after called functions.  Test
8294         interesting_blocks, call rewrite_stmt and rewrite_add_phi_arguments.
8295         (rewrite_finalize_block): Rename to...
8296         (rewrite_leave_block): ... this, place after called functions.
8297         (rewrite_update_init_block): Rename to...
8298         (rewrite_update_enter_block): ... this, place after called functions.
8299         Test interesting_blocks, call rewrite_update_stmt and
8300         rewrite_update_phi_arguments.
8301         (rewrite_update_fini_block): Rename to...
8302         (rewrite_leave_block): ... this, place after called functions.
8303         (rewrite_blocks): Remove last argument, simplify initialization of
8304         walk_data.
8305         (mark_def_sites_initialize_block): Rename to...
8306         (mark_def_sites_block): ... this, call mark_def_sites.
8307         (mark_def_sites_blocks): Remove argument, simplify initialization of
8308         walk_data.
8309         (rewrite_into_ssa): Adjust for interesting_blocks_being a global.
8310         (update_ssa): Likewise.
8311         * tree-ssa-dom.c (optimize_stmt): Simplify now that it's not a domwalk
8312         callback.
8313         (tree_ssa_dominator_optimize): Simplify initialization of walk_data.
8314         (dom_opt_initialize_block): Rename to...
8315         (dom_opt_enter_block): ... this, place after called functions.  Walk
8316         statements here, inline propagate_to_outgoing_edges.
8317         (dom_opt_finalize_block): Rename to...
8318         (dom_opt_leave_block): ... this, place after called functions.
8319         * tree-ssa-dse.c (dse_optimize_stmt): Simplify now that it's not a
8320         domwalk callback.
8321         (dse_enter_block, dse_record_phi): New.
8322         (dse_record_phis): Delete.
8323         (dse_finalize_block): Rename to...
8324         (dse_leave_block): ... this.
8325         (tree_ssa_dse): Simplify initialization of walk_data.
8326         * tree-ssa-loop-im.c (determine_invariantness, move_computations):
8327         Adjust initialization of walk_data.
8328         * tree-ssa-loop-unswitch.c: Do not include domwalk.h.
8329         * tree-ssa-loop-phiopt.c (get_non_trapping):
8330         Adjust initialization of walk_data.
8331         * tree-ssa-loop-threadedge.c: Do not include domwalk.h.
8332         * tree-ssa-uncprop.c (uncprop_into_successor_phis): Simplify now that
8333         it's not a domwalk callback.
8334         (uncprop_initialize_block): Rename to...
8335         (dse_enter_block): ... this, call uncprop_into_successor_phis.
8336         (dse_finalize_block): Rename to...
8337         (dse_leave_block): ... this.
8338         (tree_ssa_uncprop): Simplify initialization of walk_data.
8339         * Makefile.in: Adjust dependencies.
8341 2009-06-27  Richard Earnshaw  <rearnsha@arm.com>
8343         * arm.md (casesi): Fix test for Thumb1.
8344         (thumb1_casesi_internal_pic): Likewise.
8345         (thumb1_casesi_dispatch): Likewise.
8347 2009-06-26  Daniel Gutson  <dgutson@codesourcery.com>
8349         * config/arm/arm-cores.def: Added core cortex-m0.
8350         * config/arm/arm-tune.md: Regenerated.
8351         * doc/invoke.texi: Added entry for cpu ARM Cortex-M0.
8353 2009-06-26  DJ Delorie  <dj@redhat.com>
8355         * config/mep/mep.opt (mfar): Remove -mfar as it doesn't do anything.
8357         * config/mep/mep.c (mep_bundle_insns): Account for the fact that
8358         the scheduler doesn't tag jump insns.
8360 2009-06-26  H.J. Lu  <hongjiu.lu@intel.com>
8362         * c-decl.c (merge_decls): Re-indent.
8364 2009-06-26  Janis Johnson  <janis187@us.ibm.com>
8366         PR c/39902
8367         * tree.c (real_zerop, real_onep, real_twop, real_minus_onep):
8368         Special-case decimal float constants.
8370 2009-06-26  Richard Henderson  <rth@redhat.com>
8372         * function.h (struct function): Add cannot_be_copied_reason,
8373         and cannot_be_copied_set.
8374         * tree-inline.c (has_label_address_in_static_1): Rename from
8375         inline_forbidden_p_2; don't set inline_forbidden_reason here.
8376         (cannot_copy_type_1): Rename from inline_forbidden_p_op; likewise
8377         don't set inline_forbidden_reason.
8378         (copy_forbidden): New function, split out of inline_forbidden_p.
8379         (inline_forbidden_p_stmt): Don't check for nonlocal labels here.
8380         (inline_forbidden_p): Use copy_forbidden.
8381         (tree_versionable_function_p): Likewise.
8382         (inlinable_function_p): Merge into tree_inlinable_function_p.
8383         (tree_function_versioning): Remap cfun->nonlocal_goto_save_area.
8384         * ipa-cp.c (ipcp_versionable_function_p): New function.
8385         (ipcp_cloning_candidate_p): Use it.
8386         (ipcp_node_modifiable_p): Likewise.
8388 2009-06-26  Olatunji Ruwase  <tjruwase@google.com>
8390         * builtins.c (expand_builtin_alloca): Handle builtin alloca
8391         that is marked not to be inlined. Remove flag_mudflap use.
8392         * tree-mudflap.c: Rename mf_xform_derefs to mf_xfrom_statements.
8393         (mf_xform_statements): Mark builtin alloca calls as un-inlineable.
8395 2009-06-26  Steve Ellcey  <sje@cup.hp.com>
8397         PR bootstrap/40338
8398         * config/pa/t-pa-hpux10 (TARGET_LIBGCC2_CFLAGS): Add -frandom-seed.
8399         * config/pa/t-pa-hpux11 (TARGET_LIBGCC2_CFLAGS): Ditto.
8401 2009-06-26  Kai Tietz  <kai.tietz@onevision.com>
8403         * config/i386/mingw-tls.c (__mingwthr_key_dtor): Remove for none
8404         shared libgcc.
8405         (__mingwthr_remove_key_dtor): Likewise.
8407 2009-06-26  Richard Guenther  <rguenther@suse.de>
8409         * tree-ssa-structalias.c (do_ds_constraint): Simplify escape handling.
8411 2009-06-26  Steven Bosscher  <steven@gcc.gnu.org>
8413         PR middle-end/40525
8414         * ifcvt.c (dead_or_predicable): If predicating MERGE_BB fails,
8415         try the non-cond_exec path also.
8417 2009-06-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8419         PR target/40468
8420         * pa.c (branch_to_delay_slot_p, branch_needs_nop_p): New functions.
8421         (output_cbranch): Use new functions.
8422         (output_lbranch, output_bb, output_bvb, output_dbra, output_movb):
8423         Likewise.
8425 2009-06-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
8426             Pat Haugen  <pthaugen@us.ibm.com>
8427             Revital Eres <ERES@il.ibm.com>
8429         * config/rs6000/rs6000.c (print_operand): Correct lossage message
8430         for %c error.  Add %x support to print VSX registers as a unified
8431         register set, instead of separate float and altivec registers.
8432         Switch to use VECTOR_MEM_ALTIVEC_P instead of TARGET_ALTIVEC for
8433         %y case, and add support for VSX pre-modify addresses.
8434         (output_toc): Add assert for CONST containing an integer constant
8435         in the PLUS case.
8436         (rs6000_adjust_cost): Add POWER7 support.
8437         (insn_must_be_first_in_group): Ditto.
8438         (insn_must_be_last_in_group): Ditto.
8439         (rs6000_emit_popcount): Ditto.
8440         (rs6000_vector_mode_supported_p): Ditto.
8442         * config/rs6000/rs6000-protos.h (rs6000_secondary_reload_class):
8443         Change some of the functions called by macros to being called
8444         through a pointer, so debug functions can be inserted if
8445         -mdebug=addr or -mdebug=cost.
8446         (rs6000_preferred_reload_class_ptr): Ditto.
8447         (rs6000_secondary_reload_class_ptr): Ditto.
8448         (rs6000_secondary_memory_needed_ptr): Ditto.
8449         (rs6000_cannot_change_mode_class_ptr): Ditto.
8450         (rs6000_secondary_reload_inner): Ditto.
8451         (rs6000_legitimize_reload_address): Ditto.
8452         (rs6000_legitimize_reload_address_ptr): Ditto.
8453         (rs6000_mode_dependent_address): Ditto.
8454         (rs6000_mode_dependent_address_ptr): Ditto.
8456         * config/rs6000/rs6000.c (reg_offset_addressing_ok_p): New
8457         function to return true if the mode allows reg + integer
8458         addresses.
8459         (virtual_stack_registers_memory_p): New function to return true if
8460         the address refers to a virtual stack register.
8461         (rs6000_legitimate_offset_address_p): Move code to say whether a
8462         mode supports reg+int addressing to reg_offset_addressing_ok_p and
8463         call it.
8464         (rs6000_legitimate_address_p): Add checks for modes that only can
8465         do reg+reg addressing.  Start adding VSX support.
8466         (rs6000_legitimize_reload_address): Ditto.
8467         (rs6000_legitimize_address): Ditto.
8468         (rs6000_debug_legitimate_address_p): New debug functions for
8469         -mdebug=addr and -mdebug=cost.
8470         (rs6000_debug_rtx_costs): Ditto.
8471         (rs6000_debug_address_costs): Ditto.
8472         (rs6000_debug_adjust_cost): Ditto.
8473         (rs6000_debug_legitimize_address): Ditto.
8474         (rs6000_legitimize_reload_address_ptr): Point to call normal
8475         function or debug function.  Make functions called via pointer
8476         static.
8477         (rs6000_mode_dependent_address_ptr): Ditto.
8478         (rs6000_secondary_reload_class_ptr): Ditto.
8479         (rs6000_hard_regno_mode_ok): Add preliminary VSX support.
8480         (rs6000_emit_move): Add -mdebug=addr support.  Change an abort
8481         into a friendlier error.
8482         (rs6000_init_builtins): Add initial VSX support.
8483         (rs6000_adjust_cost): Fix some spacing issues.
8485         * config/rs6000/rs6000.h (enum reg_class): Add VSX_REGS.
8486         (REG_CLASS_NAMES): Ditto.
8487         (REG_CLASS_CONTENTS): Ditto.
8488         (PREFERRED_RELOAD_CLASS): Move from a macro to calling through a
8489         pointer, to add -mdebug=addr support.
8490         (CANNOT_CHANGE_MODE_CLASS): Ditto.
8491         (SECONDARY_RELOAD_CLASS): Call through a pointer to add
8492         -mdebug=addr support.
8493         (LEGITIMIZE_RELOAD_ADDRESS): Ditto.
8494         (GO_IF_MODE_DEPENDENT_ADDRESS): Ditto.
8495         (enum rs6000_builtins): Add RS6000_BUILTIN_BSWAP_HI.
8497         * config/rs6000/rs6000.md (bswaphi*): Add support for swapping
8498         16-bit values.
8499         (bswapsi*): Set attribute types for load/store.  Add combiner
8500         patterns to eliminate zero extend on 64-bit.
8501         (bswapdi*): Add support for swapping 64-bit values.  Use ldbrx and
8502         stdbrx if the hardware supports those instructions.
8504 2009-06-25  Ian Lance Taylor  <iant@google.com>
8506         * doc/invoke.texi (Option Summary): Mention -static-libstdc++.
8507         (Link Options): Document -static-libstdc++.
8509 2009-06-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8511         PR target/38731
8512         * config/rs6000/rs6000.c (LOCAL_ALIGNMENT): Redefine to just use
8513         DATA_ALIGNMENT instead.
8515 2009-06-25  Richard Guenther  <rguenther@suse.de>
8517         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Disambiguate
8518         indirect references against the callused/escaped solutions.
8519         (call_may_clobber_ref_p_1): Likewise.
8521 2009-06-25  Martin Jambor  <mjambor@suse.cz>
8523         PR tree-optimization/40493
8524         * tree-sra.c (sra_modify_expr): Correct BIT_FIELD_REF argument numbers.
8525         (enum unscalarized_data_handling): New type.
8526         (handle_unscalarized_data_in_subtree): Return what has been done.
8527         (load_assign_lhs_subreplacements): Handle left flushes differently.
8528         (sra_modify_assign): Use unscalarized_data_handling, simplified
8529         condition determining whether to remove the statement.
8531 2009-06-25  Basile Starynkevitch  <basile@starynkevitch.net>
8533         * doc/plugins.texi (Building GCC plugins): Correct typo in Makefile
8534         excerpt - @ should be doubled for texinfo.
8536 2009-06-24  Ian Lance Taylor  <iant@google.com>
8538         * config/arc/arc.c: Include "df.h".
8539         (arc_attribute_table): Make static.  Move higher in file.
8540         (arc_address_cost): Call SMALL_INT on INTVAL, not rtx.
8541         (output_shift): Initialize n later to avoid warning.
8542         * config/arm/arm.c (arm_attribute_table): Make static.  Move
8543         higher in file.
8544         * config/avr/avr.c (avr_attribute_table): Make static.  Move
8545         higher in file.
8546         (reg_class_tab): Change array type from int to enum reg_class.
8547         (avr_jump_mode): Change GET_MODE to GET_CODE when checking for
8548         LABEL_REF.
8549         (out_tsthi, ashlhi3_out): Don't use AS2 with "or" or "and".
8550         (lshrhi3_out): Likewise.
8551         (class_likely_spilled_p): Change return type to bool.
8552         (avr_rtx_costs): Use local code variable with enum type.
8553         * config/avr/avr.md (movmemhi): Use add_reg_note.
8554         (andhi3, andsi3): Don't use AS2 with "and".
8555         (iorhi3, iorsi3): Don't use AS2 with "or".
8556         * config/avr/avr-protos.h (class_likely_spilled_p): Update declaration.
8557         * config/crx/crx.c: Include "df.h".
8558         (crx_attribute_table): Make static.
8559         * config/m32r/m32r.c: Include "df.h".
8560         (m32r_attribute_table): Make static.  Move higher in file.
8561         (pop): Use add_reg_note.
8562         (block_move_call): Change 0 to LCT_NORMAL in function call.
8563         * config/m32r/m32r.md (movsi_insn): Remove unused local value.
8564         * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Likewise.
8565         * config/m32r/m32r-protos.h (m32r_compute_function_type): Always
8566         declare, not just when TREE_CODE is defined.
8567         * config/m68hc11/m68hc11.c: Include "expr.h".
8568         (m68hc11_attribute_table): Make static.  Move higher in file.
8569         (m68hc11_small_indexed_indirect_p): Change 0 to VOIDmode in
8570         function call.
8571         (m68hc11_register_indirect_p): Likewise.
8572         (m68hc11_function_arg_padding): Change return type to enum
8573         direction.
8574         (emit_move_after_reload): Use add_reg_note.
8575         (m68hc11_emit_logical): Change code parameter to enum rtx_code.
8576         (m68hc11_split_logical): Likewise.
8577         (m68hc11_rtx_costs): Add local code_and outer_code variables with
8578         enum type.
8579         * config/m68hc11/predicates.md (reg_or_some_mem_operand): Change 0
8580         to VOIDmode in function call.
8581         * config/m68hc11/m68hc11-protos.h: Don't check TREE_CODE to see if
8582         tree is defined.
8583         (m68hc11_split_logical): Update declaration.
8584         (m68hc11_function_arg_padding): Update declaration.
8585         * config/mcore/mcore.c (regno_reg_class): Change form array of int
8586         to array of enum reg_class.
8587         (mcore_attribute_table): Make static.  Move higher in file.
8588         (mcore_rtx_costs): Add cast to enum type.
8589         * config/mcore/mcore.h (regno_reg_class): Update declaration.
8590         (GO_IF_LEGITIMATE_INDEX): Add cast to avoid warning.
8591         * config/sh/sh.c (sh_attribute_table): Make static.  Move higher
8592         in file.
8593         * config/sh/predicates.md (trapping_target_operand): Rename and to
8594         and_expr.
8595         * config/sparc/sparc.c (sparc_attribute_table): Make static.  Move
8596         higher in file.
8597         * config/spu/spu.c (spu_attribute_table): Make static.  Move
8598         higher in file.
8599         * config/v850/v850.c (v850_attribute_table): Make static.  Move
8600         higher in file.
8601         (v850_rtx_costs): Use local code with enum type.
8602         (expand_epilogue): Add cast.
8603         * config/v850/v850-c.c (ghs_pragma_section): Initialize repeat.
8605 2009-06-23  Takashi YOSHII  <yoshii.takashi@renesas.com>
8607         PR target/40515
8608         * doc/invoke.texi (SH Options): Document -m2a, -m2a-single,
8609         -m2a-single-only and -m2a-nofpu.
8610         * config/sh/sh.opt: Document m2a generates FPU code.
8612 2009-06-24  Anatoly Sokolov  <aesok@post.ru>
8614         * defaults.h (CAN_ELIMINATE): Provide default.
8615         * doc/tm.texi (CAN_ELIMINATE): Revise documentation.
8616         * config/alpha/alpha.h (CAN_ELIMINATE): Delete.
8617         * config/m32c/m32c.h (CAN_ELIMINATE): Delete.
8618         * config/spu/spu.h (CAN_ELIMINATE): Delete.
8619         * config/xtensa/xtensa.h (CAN_ELIMINATE): Delete.
8620         * config/moxie/moxie.h (CAN_ELIMINATE): Delete.
8621         * config/cris/cris.h (CAN_ELIMINATE): Delete.
8622         * config/mn10300/mn10300.h (CAN_ELIMINATE): Delete.
8623         * config/pa/pa64-linux.h (CAN_ELIMINATE): Delete.
8624         * config/mmix/mmix.h (CAN_ELIMINATE): Delete.
8626 2009-06-24  DJ Delorie  <dj@redhat.com>
8628         * mep-ext-cop.cpu: Fix copyright notice.
8629         * mep-default: Fix copyright notice.
8630         * mep-core: Fix copyright notice.
8631         * mep: Fix copyright notice.
8632         * mep-ivc2: Fix copyright notice.
8633         * mep-c5: Fix copyright notice.
8635 2009-06-24  Denis Chertykov  <chertykov@gmail.com>
8637         * doc/contrib.texi (Contributors):
8639 2009-06-24  Andreas Krebbel  <krebbel1@de.ibm.com>
8641         PR middle-end/40501
8642         * tree-ssa-math-opts.c (execute_optimize_bswap): Convert the bswap
8643         src and dst operands if necessary.
8645 2009-06-23  DJ Delorie  <dj@redhat.com>
8647         Add MeP port.
8648         * config.gcc: Add mep support.
8649         * recog.c: Resurrect validate_replace_rtx_subexp().
8650         * recog.h: Likewise.
8651         * config/mep/: Add new port:
8652         * config/mep/constraints.md: New file.
8653         * config/mep/default.h: New file.
8654         * config/mep/intrinsics.h: New file.
8655         * config/mep/intrinsics.md: New file.
8656         * config/mep/ivc2-template.h: New file.
8657         * config/mep/mep-c5.cpu: New file.
8658         * config/mep/mep-core.cpu: New file.
8659         * config/mep/mep-default.cpu: New file.
8660         * config/mep/mep-ext-cop.cpu: New file.
8661         * config/mep/mep-intrin.h: New file.
8662         * config/mep/mep-ivc2.cpu: New file.
8663         * config/mep/mep-lib1.asm: New file.
8664         * config/mep/mep-lib2.c: New file.
8665         * config/mep/mep-pragma.c: New file.
8666         * config/mep/mep-protos.h: New file.
8667         * config/mep/mep-tramp.c: New file.
8668         * config/mep/mep.c: New file.
8669         * config/mep/mep.cpu: New file.
8670         * config/mep/mep.h: New file.
8671         * config/mep/mep.md: New file.
8672         * config/mep/mep.opt: New file.
8673         * config/mep/predicates.md: New file.
8674         * config/mep/t-mep: New file.
8676 2009-06-23  Ian Lance Taylor  <iant@google.com>
8678         * configure.ac: Invoke AC_PROG_CXX.  Separate C specific warnings
8679         from loose_warn into c_loose_warn and from strict_warn into
8680         c_strict_warn.  Set and substitute warn_cxxflags.  Check for
8681         --enable-build-with-cxx.  Set and substitute
8682         ENABLE_BUILD_WITH_CXX.  Set and substitute HOST_LIBS.
8683         * Makefile.in (CXXFLAGS): New variable.
8684         (C_LOOSE_WARN, C_STRICT_WARN): New variables.
8685         (GCC_WARN_CFLAGS): Add $(C_LOOSE_WARN).  Add $(C_STRICT_WARN) if
8686         the default is the same as $(STRICT_WARN).
8687         (GCC_WARN_CXXFLAGS, WARN_CXXFLAGS): New variables.
8688         (CXX): New variable.
8689         (COMPILER): New value if ENABLE_BUILD_WITH_CXX.
8690         (COMPILER_FLAGS, LINKER, LINKER_FLAGS): Likewise.
8691         (ALL_COMPILERFLAGS, ALL_LINKERFLAGS): Likewise.
8692         (HOST_LIBS): New variable.
8693         (GCC_CFLAGS): Add $(C_LOOSE_WARN).
8694         (ALL_CXXFLAGS): New variable.
8695         (LIBS, BACKENDLIBS): Add $(HOST_LIBS).
8696         * doc/install.texi (Configuration): Document
8697         --enable-build-with-cxx, --with-stage1-ldflags,
8698         --with-stage1-libs, --with-boot-ldflags, --with-boot-libs.
8699         * configure: Rebuild.
8701 2009-06-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
8703         * config/arm/arm.c (arm_override_options): Fix braces and formatting
8704         from previous commit.
8706 2009-06-23  Ian Lance Taylor  <iant@google.com>
8708         * Makefile.in ($(out_object_file)): Depend upon $(DF_H).
8710 2009-06-23  Ian Lance Taylor  <iant@google.com>
8712         * reload.c (alternative_allows_const_pool_ref): Mark mem parameter
8713         with ATTRIBUTE_UNUSED.
8715 2009-06-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
8716             Pat Haugen  <pthaugen@us.ibm.com>
8717             Revital Eres  <eres@il.ibm.com>
8719         * config.in (HAVE_AS_POPCNTD): Add default definition.
8720         (HAVE_AS_LWSYNC): Ditto.
8722         * configure.ac (gcc_cv_as_powerpc_mfpgpr): Provide real binutils
8723         release number.
8724         (gcc_cv_as_powerpc_cmpb): Ditto.
8725         (gcc_cv_as_powerpc_dfp): Ditto.
8726         (gcc_cv_as_powerpc_vsx): Ditto.
8727         (gcc_cv_as_powerpc_popcntd): Add feature test for assembler
8728         supporting the popcntd/lwsync instructions.
8729         (gcc_cv_as_powerpc_lwsync): Ditto.
8730         * configure: Regenerate.
8732         * config/rs6000/aix53.h (ASM_CPU_SPEC): Add support for
8733         -mcpu=native and -mcpu=power7.
8734         * config/rs6000/aix61.h (ASM_CPU_SPEC): Ditto.
8736         * config/rs6000/linux64.opt (-mprofile-kernel): Move switch to be
8737         a variable instead of a mask to reduce the number of mask bits.
8738         * config/rs6000/sysv4.opt (-mbit-align): Ditto.
8739         (-mbit-word): Ditto.
8740         (-mregnames): Ditto.
8741         * config/rs6000/rs6000.opt (-mupdate): Ditto.
8742         (-mfused-madd): Ditto.
8744         * config/rs6000/rs6000.opt (-mpopcntd): New switch for non-VSX ISA
8745         2.06 instructions.
8746         (-mvsx): New switch for VSX instructions.
8747         (-misel): Move from a variable to a mask to allow it to be set by
8748         -mcpu=.
8750         * config/rs6000/rs6000-protos.h (rs6000_hard_regno_nregs): Change
8751         function declaration to an array declaration.
8752         (rs6000_hard_regno_nregs): New external array declaration.
8754         * config/rs6000/t-rs6000 (MD_INCLUDES): Define, add all of the .md
8755         files included by rs6000.md.
8757         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use
8758         SET_PROFILE_KERNEL macro to reset the -mprofile-kernel switch.
8760         * config/rs6000/rs6000.c (rs6000_isel): Delete, -misel moved to be
8761         a target mask.
8762         (rs6000_debug_reg): New -mdebug= variables.
8763         (rs6000_debug_addr): Ditto.
8764         (rs6000_debug_cost): Ditto.
8765         (rs6000_pmode): New variable to hold Pmode.
8766         (rs6000_pointer_size): New variable to hold POINTER_SIZE.
8767         (rs6000_class_max_nregs): New array to hold CLASS_MAX_NREGS
8768         calculated at compiler start.
8769         (rs6000_hard_regno_nregs): Change function to an array which holds
8770         HARD_REGNO_NREGS calculated at compiler start.
8771         (rs6000_explicit_options): Delete isel field.
8772         (rs6000_vector_unit): New array to hold which vector unit
8773         supports arithmetic options for a given type.
8774         (rs6000_vector_mem): New array to hold which vector unit supports
8775         memory reference operations for a given type.
8776         (rs6000_vector_align): New array to given the alignment of each
8777         vector type.
8778         (power7_cost): New basic costs for power7.
8779         (SET_PROFILE_KERNEL): New macro for resetting -mprofile-kernel.
8780         (rs6000_hard_regno_nregs_internal): New function, moved from
8781         HARD_REGNO_NREGS, to calculate the number of registers each hard
8782         register takes for each type.
8783         (rs6000_debug_reg_print): New function for -mdebug=reg support.
8784         (rs6000_debug_vector_unit): New array, map rs6000_vector to string.
8785         (+rs6000_init_hard_regno_mode_ok): New function, move calculation
8786         of HARD_REGNO_NREGS, CLASS_MAX_NREGS, REGNO_REG_CLASS, and vector
8787         unit information here so it is calculated once at compiler startup
8788         time.
8789         (rs6000_override_options): Make -misel a target mask.  Add more
8790         power7 target masks.  Setup Pmode and POINTER_SIZE.  Add initial
8791         VSX support.  Add support for -mdebug=reg, -mdebug=addr, and
8792         -mdebug=cost.
8793         (POWERPC_MASKS): Add MASK_POPCNTD, MASK_VSX, and MASK_ISEL.
8794         (rs6000_handle_option): Move -misel from variable to target mask.
8795         (rs6000_builtin_mask_for_load): Add VSX support.
8796         (rs6000_conditional_register_usage): Ditto.
8797         (USE_ALTIVEC_FOR_ARG_P): Ditto.
8798         (function_arg_boundary): Ditto.
8799         (rs6000_expand_builtin): Ditto.
8800         (def_builtin): Make abort message a little friendlier.
8801         (rs6000_emit_int_cmove): Add support for 64-bit isel.
8803         * config/rs6000/rs6000.h (ASM_CPU_POWER7_SPEC): Depend on the
8804         assembler support the popcntd instruction instead of a vsx
8805         instruction to enable power7 support.
8806         (ASM_CPU_SPEC): Add support for -mcpu=native and -mcpu=power7.
8807         (EXTRA_SPECS): Add ASM_CPU_NATIVE_SPEC to allow passing the right
8808         option to the assembler if -mcpu=native.
8809         (ASM_CPU_NATIVE_SPEC): Ditto.
8810         (TARGET_POPCNTD): If assembler doesn't support popcntd, turn off
8811         ISA 2.06 features.
8812         (TARGET_LWSYNC_INSTRUCTION): Define whether it is safe to issue
8813         the lwsync instruction.
8814         (enum processor_type): Add PROCESSOR_POWER7.
8815         (rs6000_debug_reg): New -mdebug= options.
8816         (rs6000_debug_addr): Ditto.
8817         (rs6000_debug_cost): Ditto.
8818         (rs6000_isel): Delete.
8819         (enum rs6000_vector): New enum to say what vector unit we have.
8820         (VECTOR_UNIT_*): New macros to say which vector unit has
8821         arithmetic operations for a given type.
8822         (VECTOR_MEM_*): New macros to say which vector unit has memory
8823         operations for a given type.
8824         (TARGET_LDBRX): Whether the machine supports the ldbrx
8825         instruction.
8826         (TARGET_ISEL): Delete, -misel moved to be a mask.
8827         (TARGET_ISEL64): New macro for 64-bit isel support.
8828         (UNITS_PER_VSX_WORD): New macro.
8829         (POINTER_SIZE): Move to be an external variable, rather than
8830         calculating whether we are generating 32 ot 64-bit code.
8831         (Pmode): Ditto.
8832         (STACK_BOUNDARY): Add VSX support.
8833         (LOCAL_ALIGNMENT): Ditto.
8834         (SLOW_UNALIGNED_ACCESS): Ditto.
8835         (VSX_REGNO_P): New macro for VSX support.
8836         (VFLOAT_REGNO_P): Ditto.
8837         (VINT_REGNO_P): Ditto.
8838         (VLOGICAL_REGNO_P): Ditto.
8839         (VSX_VECTOR_MODE): Ditto.
8840         (VSX_SCALAR_MODE): Ditto.
8841         (VSX_MODE): Ditto.
8842         (VSX_MOVE_MODE): Ditto.
8843         (VSX_REG_CLASS_P): Ditto.
8844         (HARD_REGNO_NREGS): Instead of calling a function, use an array
8845         lookup.
8846         (UNITS_PER_SIMD_WORD): Add VSX support.
8847         (MODES_TIEABLE_P): Ditto.
8848         (STARTING_FRAME_OFFSET): Ditto.
8849         (STACK_DYNAMIC_OFFSET): Ditto.
8850         (EPILOGUE_USES): Ditto.
8851         (REGNO_REG_CLASS): Move to array lookup.
8852         (CLASS_MAX_NREGS): Ditto.
8853         (rs6000_vector_reg_class): Add declaration.
8854         (ADDITIONAL_REGISTER_NAMES): Add VSX names for the registers that
8855         overlap with the floating point and Altivec registers.
8857         * config/rs6000/e500.h (CHECK_E500_OPTIONS): Disallow -mvsx.
8859         * config/rs6000/driver-rs6000.c (asm_names): New static array to
8860         give the appropriate asm switches if -mcpu=native.
8861         (host_detect_local_cpu): Add support for "asm".
8862         (host_detect_local_cpu): Follow GNU code guidelines for name.
8864         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Move
8865         -mbit-word to a variable instead of being a target mask.
8867         * config/rs6000/sync.md (lwsync): If the assembler supports it,
8868         emit the lwsync instruction instead of emitting the instruction as
8869         an integer constant.
8871         * config/rs6000/spe.md (spe_fixuns_truncdfsi2): Rename from
8872         fixuns_trundfsi2, move expander into rs6000.md.
8874         * config/rs6000/rs6000.md (cpu): Add power7.
8875         (sel, *ptrsize): New mode attributes for 32/64-bit isel.
8876         (logical predicate patterns): Change the single instruction
8877         primitives that set CR0 to be fast_compare instead of compare.
8878         (norsi*): Ditto.
8879         (popcntwsi2): Add support for ISA 2.06 popcount instructions.
8880         (popcntddi2): Ditto.
8881         (popcount<mode>): Ditto.
8882         (floating multiply/add insns): Name the floating point
8883         multiply/add insns.
8884         (isel_signed_<mode>): Add support for -misel on 64-bit systems.
8885         (isel_unsigned_<mode>): Ditto.
8886         (fixuns_trundfsi2): Move expander here from spe.md.
8887         (smindi3): Define if we have -misel on 64-bit systems.
8888         (smaxdi3): Ditto.
8889         (umindi3): Ditto.
8890         (umaxdi3): Ditto.
8892 2009-06-23  Anatoly Sokolov  <aesok@post.ru>
8894         * config.gcc (avr-*-rtems*, avr-*-*): Set extra_gcc_objs and
8895         extra_objs.
8896         * config/avr/avr.c (avr_current_device): New variable.
8897         (avr_arch_types, avr_mcu_types): Move to avr-deveces.c.
8898         (avr_arch, mcu_type_s): Move to avr.h.
8899         * config/avr/avr.h (base_arch_s). Add reserved2, arch_name and
8900         default_data_section_start fields.
8901         (avr_arch): Moved from avr.c.
8902         (mcu_type_s): Moved from avr.c. Add short_sp, data_section_start and
8903         library_name fields.
8904         (avr_current_device, avr_mcu_types, avr_arch_types,
8905         avr_device_to_arch, avr_device_to_data_start,
8906         avr_device_to_startfiles, avr_device_to_devicelib): Declare.
8907         (EXTRA_SPEC_FUNCTIONS): Define.
8908         (LINK_SPEC): Remove device name to '-m ...' and '-Tdata ...' linker
8909         options mapping. Use device_to_arch and device_to_data_start insted.
8910         (STARTFILE_SPEC): Use device_to_startfile instead of crt_binutils.
8911         (CRT_BINUTILS_SPECS, EXTRA_SPECS): Remove.
8912         * config/avr/t-avr (driver-avr.o, avr-devices.o): New rules.
8913         * config/avr/driver-avr.c: New file.
8914         * config/avr/avr-devices.c: New file.
8916 2009-06-23  Jakub Jelinek  <jakub@redhat.com>
8918         * var-tracking.c (unshare_variable): Force initialized to
8919         be VAR_INIT_STATUS_INITIALIZED unless flag_var_tracking_uninit.
8920         (set_variable_part): Likewise.
8921         (struct variable_union_info): Remove pos_src field.
8922         (vui_vec, vui_allocated): New variables.
8923         (variable_union): Pass VAR_INIT_STATUS_UNKNOWN to unshare_variable
8924         unconditionally.  Avoid XCVECNEW/free for every sorting, for dst_l
8925         == 1 use a simpler sorting algorithm.  Compute pos field right
8926         away, don't fill in pos_src.  For dst_l == 2 avoid qsort.
8927         Avoid quadratic comparison if !flag_var_tracking_uninit.
8928         (variable_canonicalize): Pass VAR_INIT_STATUS_UNKNOWN to
8929         unshare_variable unconditionally.
8930         (dataflow_set_different_2): Removed.
8931         (dataflow_set_different): Don't traverse second hash table.
8932         (compute_bb_dataflow): Pass VAR_INIT_STATUS_UNINITIALIZED
8933         unconditionally to var_reg_set or var_mem_set.
8934         (emit_notes_in_bb): Likewise.
8935         (delete_variable_part): Pass VAR_INIT_STATUS_UNKNOWN to
8936         unshare_variable.
8937         (emit_note_insn_var_location): Don't set initialized to
8938         VAR_INIT_STATUS_INITIALIZED early.
8939         (vt_finalize): Free vui_vec if needed, clear vui_vec and
8940         vui_allocated.
8941         * rtl.c (rtx_equal_p): Don't implement on top of rtx_equal_p_cb.
8943         * tree-object-size.c (addr_object_size): Instead of checking
8944         for non-NULL TREE_CHAIN of the FIELD_DECL check that there
8945         are no FIELD_DECLs following it.
8947 2009-06-23  Andreas Krebbel  <krebbel1@de.ibm.com>
8949         * tree-ssa-math-opts.c (find_bswap): Increase the search depth in
8950         order to match bswaps with signed source operands.
8952 2009-06-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
8954         * sdbout.c (sdbout_one_type): Fix braces in switch.
8956 2009-06-23  Richard Guenther  <rguenther@suse.de>
8958         * tree-ssa-structalias.c (struct variable_info): Add is_global_var
8959         member.
8960         (var_anything, anything_tree, var_nothing, nothing_tree, var_readonly,
8961         readonly_tree, var_escaped, escaped_tree, var_nonlocal, nonlocal_tree,
8962         var_callused, callused_tree, var_storedanything, storedanything_tree,
8963         var_integer, integer_tree): Remove global variables.
8964         (new_var_info): Do not pass new id, append the new var to the
8965         global variable vector.
8966         (do_ds_constraint): Use is_global_var member of the variable-info.
8967         (new_scalar_tmp_constraint_exp): Adjust.
8968         (create_function_info_for): Likewise.
8969         (create_variable_info_for): Likewise.
8970         (find_what_var_points_to): Remove dead code.
8971         (init_base_vars): Simplify.
8972         (compute_points_to_sets): Adjust.
8974 2009-06-22  Adam Nemet  <anemet@caviumnetworks.com>
8976         * combine.c (try_combine): Dump information about the insns we're
8977         combining.
8979 2009-06-22  Adam Nemet  <anemet@caviumnetworks.com>
8981         * combine.c (combine_simplify_rtx): Remove TRULY_NOOP_TRUNCATION
8982         check when calling force_to_mode on TRUNCATE's operand.
8984 2009-06-22  Ian Lance Taylor  <iant@google.com>
8986         * config/rs6000/rs6000.opt: Move msched-epilog before msched-prolog.
8988 2009-06-22  Steven Bosscher  <steven@gcc.gnu.org>
8990         * config/arm/arm.md (prologue_use): Set length of fake insn to 0.
8992 2009-06-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8994         * doc/invoke.texi (Link Options): -nodefaultlibs and -nostdlib
8995         override library linkage flags such as -static-libgcc or
8996         -shared-libgcc.
8998 2009-06-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
9000         * config/m68k/m68k-devices.def: Add line for MCF5221x.
9002 2009-06-22  Ian Lance Taylor  <iant@google.com>
9004         * config/linux.opt: Put mglibc ahead of muclibc.
9006         * c-decl.c (diagnose_mismatched_decls): Add -Wc++-compat warning
9007         for duplicate decls.
9009 2009-06-22  Matthias Klose  <doko@ubuntu.com>
9011         * Makefile.in (install-plugin): Remove extra `/' after $(DESTDIR).
9013 2009-06-22  Steven Bosscher  <steven@gcc.gnu.org>
9015         PR objc/28050
9016         * c-parser.c (c_parser_objc_message_args): Return error_mark_node
9017         instead of NULL if a parser error occurs.
9019 2009-06-22  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
9021         * dwarf2out.c (dwarf2_debug_hooks): Initialize
9022         non-DWARF2_DEBUGGING_INFO version.
9024 2009-06-22  Kai Tietz  <kai.tietz@onevision.com>
9026         * config.gcc (i[34567]86-*-mingw*, x86_64-*-mingw*): Add
9027         i386/t-fprules-softfp and soft-fp/t-softfp to tmake_file.
9029         * config/i386/mingw32.h (LIBGCC2_HAS_TF_MODE): Define.
9030         (LIBGCC2_TF_CEXT): Define.
9031         (TF_SIZE): Define.
9033 2009-06-22  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9035         PR target/40463
9036         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Fix definition.
9038 2009-06-22  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9040         * config/arm/arm.c (arm_override_options): Disable
9041         -mcaller-super-interworking and -mcallee-super-interworking.
9042         * doc/invoke.texi (ARM Options): Document this.
9044 2009-06-22  Nathan Sidwell  <nathan@codesourcery.com>
9046         * config/arm/arm.c (arm_print_operand): Deal with HIGH.
9047         * config/arm/constraints.md (j): New constraint for movw operands.
9048         (N): Remove thumb2 meaning.
9049         * config/arm/arm.md (*arm_movw): Delete.
9050         (*arm_movsi_insn): Use j constraint for movw instead of N constraint.
9051         * config/arm/vfp.md (*arm_movsi_vfp, *thumb2_movsi_vfp): Likewise.
9052         * config/arm/thumb2.md (*thumb2_movsi_insn): Likewise.
9054 2009-06-22  Martin Jambor  <mjambor@suse.cz>
9056         PR tree-optimization/40492
9057         * tree-sra.c (sra_modify_assign): Pass zero offsets to
9058         build_ref_for_offset.
9060 2009-06-22  Shujing Zhao  <pearly.zhao@oracle.com>
9062         * alias.c: Use REG_P, MEM_P, CONST_INT_P, LABEL_P, CALL_P, NOTE_P and
9063         JUMP_TABLE_DATA_P predicates where applicable.
9064         * auto-inc-dec.c: Ditto.
9065         * builtins.c: Ditto.
9066         * caller-save.c: Ditto.
9067         * calls.c: Ditto.
9068         * cfgcleanup.c: Ditto.
9069         * cfglayout.c: Ditto.
9070         * cfgrtl.c: Ditto.
9071         * combine.c: Ditto.
9072         * combine-stack-adj.c: Ditto.
9073         * cse.c: Ditto.
9074         * cselib.c: Ditto.
9075         * dbxout.c: Ditto.
9076         * df-scan.c: Ditto.
9077         * dse.c: Ditto.
9078         * dwarf2asm.c: Ditto.
9079         * dwarf2out.c: Ditto.
9080         * emit-rtl.c: Ditto.
9081         * except.c: Ditto.
9082         * explow.c: Ditto.
9083         * expmed.c: Ditto.
9084         * expr.c: Ditto.
9085         * final.c: Ditto.
9086         * function.c: Ditto.
9087         * fwprop.c: Ditto.
9088         * gcse.c: Ditto.
9089         * genpreds.c: Ditto.
9090         * genrecog.c: Ditto.
9091         * ifcvt.c: Ditto.
9092         * ira-costs.c: Ditto.
9093         * ira-lives.c: Ditto.
9094         * jump.c: Ditto.
9095         * loop-iv.c: Ditto.
9096         * lower-subreg.c: Ditto.
9097         * modulo-sched.c: Ditto.
9098         * optabs.c: Ditto.
9099         * postreload.c: Ditto.
9100         * print-rtl.c: Ditto.
9101         * recog.c: Ditto.
9102         * reginfo.c: Ditto.
9103         * regmove.c: Ditto.
9104         * reload1.c: Ditto.
9105         * reload.c: Ditto.
9106         * reorg.c: Ditto.
9107         * rtlanal.c: Ditto.
9108         * rtl.c: Ditto.
9109         * sched-vis.c: Ditto.
9110         * sdbout.c: Ditto.
9111         * sel-sched-ir.c: Ditto.
9112         * simplify-rtx.c: Ditto.
9113         * targhooks.c: Ditto.
9114         * var-tracking.c: Ditto.
9115         * vmsdbgout.c: Ditto.
9117 2009-06-22  Matthias Klose  <doko@ubuntu.com>
9119         * Makefile.in (install-plugin): Always use DESTDIR.
9121 2009-06-22  Olivier Hainque  <hainque@adacore.com>
9123         * config/pa/pa.c (output_call): Don't optimize post call jumps
9124         into return address adjustments if the call may throw.
9126 2009-06-21  Richard Earnshaw  <rearnsha@arm.com>
9128         * arm.c (thumb1_output_casesi): New function.
9129         * arm.h (CASE_VECTOR_PC_RELATIVE): Thumb-1 code is also relative if
9130         optimizing for size or PIC.
9131         (CASE_VECTOR_SHORTEN_MODE): Handle thumb-1.
9132         * arm.md (UNSPEC_THUMB1_CASESI): New constant.
9133         (casesi): Handle Thumb-1 when optimizing for size or PIC.
9134         (thumb1_casesi_internal_pic): New expand rule.
9135         (thumb1_casesi_dispatch): New pattern.
9136         * aout.h (ASM_OUTPUT_ADDR_DIFF_ELT): Use shortened vectors for
9137         thumb-1 mode.
9138         * coff.h (JUMP_TABLES_IN_TEXT_SECTION): Thumb-1 jump tables are now
9139         in the text seciton when PIC or optimizing for size.
9140         * elf.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
9141         * lib1funcs.asm ([__ARM_EABI__]): Add an attribute describing stack
9142         preservation properties of code.
9143         (__gnu_thumb1_case_sqi, __gnu_thumb1_case_uqi): New functions.
9144         (__gnu_thumb1_case_shi, __gnu_thumb1_case_uhi): New functions.
9145         (__gnu_thumb1_case_si): New function.
9146         * t-arm (LIB1ASMSRC): Define here.
9147         (LIB1ASMFUNCS): Add some common functions.
9148         * t-arm-elf (LIB1ASMSRC): Delete.
9149         (LIB1ASMFUNCS): Append to existing set.
9150         * t-pe (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
9151         * t-strongarm-elf (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
9152         * t-symbian (LIB1ASMFUNCS): Likewise.
9153         * t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
9154         * t-wince-pe (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
9156 2009-06-21  Richard Guenther  <rguenther@suse.de>
9158         PR tree-optimization/38729
9159         * tree-ssa-loop-niter.c (find_loop_niter_by_eval): Restrict
9160         to loops with a single exit if -fno-expensive-optimizations.
9162 2009-06-21  Jakub Jelinek  <jakub@redhat.com>
9164         * var-tracking.c (struct shared_hash_def, shared_hash): New types.
9165         (dataflow_set): Change vars type from htab_t to shared_hash.
9166         (shared_hash_pool, empty_shared_hash): New variables.
9167         (vars_clear): Removed.
9168         (shared_hash_shared, shared_hash_htab, shared_hash_copy,
9169         shared_hash_find_slot_unshare, shared_hash_find_slot,
9170         shared_hash_find_slot_noinsert, shared_hash_find): New
9171         static inlines.
9172         (shared_hash_unshare, shared_hash_destroy): New functions.
9173         (unshare_variable): Unshare set->vars if shared, use
9174         shared_hash_htab.
9175         (vars_copy): Use htab_traverse_noresize instead of htab_traverse.
9176         (get_init_value, find_src_set_src, dump_dataflow_set,
9177         clobber_variable_part, emit_notes_for_differences): Use
9178         shared_hash_htab.
9179         (dataflow_set_init): Remove second argument, set vars to
9180         empty_shared_hash instead of creating a new htab.
9181         (dataflow_set_clear): Call shared_hash_destroy and set vars
9182         to empty_shared_hash instead of calling vars_clear.
9183         (dataflow_set_copy): Don't call vars_copy, instead just share
9184         the src htab with dst.
9185         (variable_union): Use shared_hash_*, use initially NO_INSERT
9186         lookup if set->vars is shared.  Don't keep slot cleared before
9187         calling unshare_variable.  Unshare set->vars if needed.
9188         Even ->refcount == 1 vars must be unshared if set->vars is shared
9189         and var needs to be modified.
9190         (variable_canonicalize): New function.
9191         (dataflow_set_union): If dst->vars is empty, just share src->vars
9192         with dst->vars and traverse with variable_canonicalize to canonicalize
9193         and unshare what is needed.
9194         (dataflow_set_different): If old_set and new_set use the same shared
9195         htab, they aren't different.  If number of htab elements is different,
9196         htabs are different.  Use shared_hash_*.
9197         (dataflow_set_destroy): Call shared_hash_destroy instead of
9198         htab_delete.
9199         (compute_bb_dataflow, emit_notes_in_bb, vt_emit_notes): Don't pass
9200         second argument to dataflow_set_init.
9201         (vt_initialize): Likewise.  Initialize shared_hash_pool and
9202         empty_shared_hash, move bb in/out initialization afterwards.
9203         Use variable_htab_free instead of NULL as changed_variables del hook.
9204         (variable_was_changed): Change type of second argument to pointer to
9205         dataflow_set.  When inserting var into changed_variables, bump
9206         refcount.  Unshare set->vars if set is shared htab and slot needs to
9207         be cleared.
9208         (set_variable_part): Use shared_hash_*, use initially NO_INSERT
9209         lookup if set->vars is shared.  Unshare set->vars if needed.
9210         Even ->refcount == 1 vars must be unshared if set->vars is shared
9211         and var needs to be modified.  Adjust variable_was_changed caller.
9212         (delete_variable_part): Use shared_hash_*.  Even ->refcount == 1
9213         vars must be unshared if set->vars is shared and var needs to be
9214         modified.  Adjust variable_was_changed caller.
9215         (emit_note_insn_var_location): Don't pool_free var.
9216         (emit_notes_for_differences_1): Initialize empty_var->refcount to 0
9217         instead of 1.
9218         (vt_finalize): Call htab_delete on empty_shared_hash->htab and
9219         free_alloc_pool on shared_hash_pool.
9221 2009-06-20  Anthony Green  <green@moxielogic.com>
9223         * config/moxie/sfp-machine.h (__gcc_CMPtype, CMPtype): Define.
9224         * config/moxie/moxie.h (LOAD_EXTEND_OP): Define.
9226 2009-06-20  Richard Guenther  <rguenther@suse.de>
9228         * tree-ssa-structalias.c (find_func_aliases): For memset use
9229         a constraint from NULL if we memset to zero.
9230         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Add builtins
9231         we explicitly handle that do not read from memory.
9232         (call_may_clobber_ref_p_1): Properly handle builtins that may
9233         set errno.
9235 2009-06-20  Richard Guenther  <rguenther@suse.de>
9237         PR tree-optimization/40495
9238         * tree-ssa-structalias.c (get_constraint_exp_for_temp): Remove.
9239         (new_scalar_tmp_constraint_exp): New function.
9240         (process_constraint): Do not create temporary decls.
9241         (process_all_all_constraints): Likewise.
9242         (handle_const_call): Likewise.
9243         (create_function_info_for): Do not set decl.
9245 2009-06-19  Ian Lance Taylor  <iant@google.com>
9247         * config/rs6000/rs6000.c (rs6000_explicit_options): Make static.
9248         (rs6000_attribute_table): Make static; move before use.
9250 2009-06-19  Eric Botcazou  <ebotcazou@adacore.com>
9252         * tree.c (substitute_in_expr) <COMPONENT_REF>: Tweak and reformat.
9253         <tcc_vl_exp>: Call process_call_operands on the new CALL_EXPR.
9254         Propagate the TREE_READONLY flag without overwriting it.
9255         (substitute_placeholder_in_expr) <tcc_vl_exp>: Likewise.
9256         Propagate the TREE_READONLY flag onto the result.
9257         (process_call_operands): Move around.  Use correct constant value.
9259 2009-06-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
9261         PR target/40482
9262         * config/arm/arm.c (thumb_shiftable_const): Truncate val to 32 bits.
9263         * config/arm/arm.md: Likewise.
9265 2009-06-19  Ian Lance Taylor  <iant@google.com>
9267         * tree-cfg.c (gimple_redirect_edge_and_branch): Change ERROR_MARK
9268         to GIMPLE_ERROR_MARK.
9270         * c-typeck.c (build_conditional_expr): Add op1_original_type and
9271         op2_original_type parameters.  Warn about using different enum types.
9272         * c-parser.c (c_parser_conditional_expression): Pass original
9273         types to build_conditional_expr.
9274         * c-tree.h (build_conditional_expr): Update declaration.
9276 2009-06-19  Ian Lance Taylor  <iant@google.com>
9278         * config/i386/i386.c (ix86_function_specific_save): Test that
9279         fields match values, rather than testing the values are in a
9280         certain range.
9282 2009-06-19  Richard Guenther  <rguenther@suse.de>
9284         * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Handle
9285         ADDR_EXPR pointers.
9286         (ptr_derefs_may_alias_p): Likewise.
9287         (ptr_deref_may_alias_ref_p_1): New function.
9288         (ptr_deref_may_alias_ref_p): Likewise.
9289         (ref_maybe_used_by_call_p_1): Handle builtins that are not
9290         covered by looking at the ESCAPED solution.
9291         (call_may_clobber_ref_p_1): Likewise.
9292         * tree-ssa-structalias.c (get_constraint_for_ptr_offset):
9293         Handle NULL_TREE offset.  Do not produce redundant constraints.
9294         (process_all_all_constraints): New helper function.
9295         (do_structure_copy): Use it.
9296         (handle_lhs_call): Likewise.
9297         (find_func_aliases): Handle some builtins with pointer arguments
9298         and/or return values explicitly.
9300 2009-06-19  Ian Lance Taylor  <iant@google.com>
9302         * varasm.c (const_rtx_hash_1): Remove const qualifier from shift.
9304 2009-06-19  Ian Lance Taylor  <iant@google.com>
9306         * rtl.h (SUBREG_PROMOTED_UNSIGNED_P): Add cast to int.
9308 2009-06-19  Ian Lance Taylor  <iant@google.com>
9310         * ggc-page.c (ggc_pch_write_object): Initialize emptyBytes.
9311         * sdbout.c (sdb_debug_hooks): Initialize non-SDB_DEBUGGING_INFO
9312         version.
9314         * c-decl.c (finish_decl): If -Wc++-compat, warn about
9315         uninitialized const.
9317 2009-06-19  Ian Lance Taylor  <iant@google.com>
9319         * dse.c (struct store_info): Rename bitmap field to bmap.  Change
9320         all uses.
9322         * c-decl.c (in_struct, struct_types): Remove.
9323         (struct c_binding): Add in_struct field.
9324         (c_binding_ptr): Define type, along with VEC.
9325         (struct c_struct_parse_info): Define.
9326         (struct_parse_info): New static variable.
9327         (bind): Initialize in_struct field.
9328         (start_struct): Remove enclosing_in_struct and
9329         enclosing_struct_types parameters.  Add
9330         enclosing_struct_parse_info parameter.  Change all callers.  Set
9331         struct_parse_info rather than in_struct and struct_types.
9332         (grokfield): If -Wc++-compat and there is a symbol binding for the
9333         field name, set the in_struct flag and push it on the
9334         struct_parse_info->fields vector.
9335         (warn_cxx_compat_finish_struct): New static function.
9336         (finish_struct): Remove enclosing_in_struct and
9337         enclosing_struct_types parameters.  Add
9338         enclosing_struct_parse_info parameter.  Change all callers.  Don't
9339         set C_TYPE_DEFINED_IN_STRUCT here.  Call
9340         warn_cxx_compat_finish_struct.  Free struct_parse_info and set to
9341         parameter.  Only push on struct_types if warn_cxx_compat.
9342         (finish_enum): Only push on struct_types if warn_cxx_compat.
9343         (declspecs_add_type): Add loc parameter.  Change all callers.
9344         Change all error calls to error_at.  Pass loc, not input_location,
9345         to pedwarn calls.  Warn if -Wc++-compat and a typedef name is
9346         defined in a struct.  If -Wc++-compat and parsing a struct, record
9347         that a typedef name was used.
9348         * c-parser.c (c_parser_declspecs): Get location to pass to
9349         declspecs_add_type.
9350         (c_parser_struct_or_union_specifier): Update calls to start_struct
9351         and finish_struct.
9352         * c-tree.h (struct c_struct_parse_info): Declare.
9353         (finish_struct, start_struct): Update declarations.
9354         (declspecs_add_type): Update declaration.
9356 2009-06-19  Ian Lance Taylor  <iant@google.com>
9358         * c-decl.c (grokdeclarator): If -Wc++-compat, warn about a global
9359         variable with an anonymous type.
9361 2009-06-19  Uros Bizjak  <ubizjak@gmail.com>
9363         * see.c: Remove for real.
9365 2009-06-19  Uros Bizjak  <ubizjak@gmail.com>
9367         * optabs.h (enum optab_index): Add new OTI_significand.
9368         (significand_optab): Define corresponding macro.
9369         * optabs.c (init_optabs): Initialize significand_optab.
9370         * genopinit.c (optabs): Implement significand_optab using
9371         significand?f2 patterns.
9372         * builtins.c (expand_builtin_mathfn): Handle
9373         BUILT_IN_SIGNIFICAND{,F,L}.
9374         (expand_builtin): Expand BUILT_IN_SIGNIFICAND{,F,L} using
9375         expand_builtin_mathfn if flag_unsafe_math_optimizations is set.
9377         * config/i386/i386.md (significandxf2, significand<mode>2): New
9378         expanders to implement significandf, significand and significandl
9379         built-ins as inline x87 intrinsics.
9381 2009-06-18  Anatoly Sokolov  <aesok@post.ru>
9383         * config/avr/avr.c (avr_override_options): Remove setting value of
9384         PARAM_INLINE_CALL_COST.
9386 2009-06-18  Richard Henderson  <rth@redhat.com>
9388         PR 40488
9389         * tree-pass.h (TDF_ASMNAME): New.
9390         * tree-dump.c (dump_options): Add asmname.
9391         * doc/invoke.texi: Document it.
9393         * tree-pretty-print.c (maybe_dump_asm_name): Merge into...
9394         (dump_decl_name): ...here.
9395         (dump_function_name): New flags arg; mind TDF_ASMNAME.
9396         (dump_generic_node): Update dump_function_name calls.
9397         (print_call_name): New flags arg; update all dump calls.
9398         * diagnostic.h (print_call_name): Update.
9399         * gimple-pretty-print.c (dump_gimple_call): Update.
9401 2009-06-18  H.J. Lu  <hongjiu.lu@intel.com>
9403         PR target/40470
9404         * config/i386/i386.h (CLASS_LIKELY_SPILLED_P): Add SSE_FIRST_REG.
9406 2009-06-18  Diego Novillo  <dnovillo@google.com>
9408         * doc/plugins.texi: Document plugin_is_GPL_compatible.
9409         * plugin.c (str_license): Declare.
9410         (try_init_one_plugin): Assert that the symbol
9411         'plugin_is_GPL_compatible' exists.
9413 2009-06-18  Sergei Dyshel  <sergeid@il.ibm.com>
9415         * see.c: Remove.
9416         * Makefile.in (OBJS-common): Remove see.o.
9417         (see.o): Remove.
9418         * common.opt (fsee): Mark as preserved for backward compatibility.
9419         * opts.c (common_handle_option): Add OPT_fsee to the backward
9420         compatibility section.
9421         * passes.c (init_optimization_passes, pass_see): Remove pass.
9422         * timevar.def (TV_SEE): Remove.
9423         * tree-pass.h (pass_see): Remove declaration.
9424         * doc/invoke.texi (-fsee): Remove documentation.
9426 2009-06-18  Martin Jambor  <mjambor@suse.cz>
9428         * tree-sra.c: Include statistics.h
9429         (sra_stats): New variable.
9430         (sra_initialize): Clear sra_stats.
9431         (create_access_replacement): Increment sra_stats.replacements.
9432         (get_access_replacement): Do not return twice.
9433         (analyze_all_variable_accesses): Increment statistics counter by the
9434         number of scalarized aggregates.
9435         (generate_subtree_copies): Increment sra_stats.subtree_copies.
9436         (sra_modify_expr): Increment sra_stats.exprs.
9437         (load_assign_lhs_subreplacements): Increment sra_stats.subreplacements.
9438         (sra_modify_assign): Increment sra_stats.exprs,
9439         sra_stats.separate_lhs_rhs_handling and sra_stats.deleted.
9440         (perform_intra_sra): Update statistics counters.
9441         * Makefile.in (tree-sra.o): Add statistics.h to dependencies.
9443 2009-06-18  Sandra Loosemore  <sandra@codesourcery.com>
9445         * config/arm/arm.c (TARGET_SCALAR_MODE_SUPPORTED_P): Redefine.
9446         (arm_scalar_mode_supported_p): New function.
9448 2009-06-18  Paul Brook  <paul@codesourcery.com>
9449             Sandra Loosemore  <sandra@codesourcery.com>
9451         * config/arm/sfp-machine.h (_FP_NANFRAC_H, _FP_NANSIGN_H): Define.
9452         (__extendhfsf2, __truncsfhf2): Define.
9453         * config/arm/fp16.c: New file.
9454         * config/arm/t-bpabi (LIB2FUNCS_STATIC_EXTRA): Add fp16.c.
9455         * config/arm/t-symbian (LIB2FUNCS_STATIC_EXTRA):  Add fp16.c.
9457 2009-06-18  Sandra Loosemore  <sandra@codesourcery.com>
9459         * doc/extend.texi (Half-Precision): New section.
9460         * doc/invoke.texi (Option Summary): List -mfp16-format.
9461         (ARM Options): List neon-fp16 as -mfpu value.  Document -mfp16-format.
9462         * config/arm/arm.opt (mfp16-format=): New.
9463         * config/arm/arm.c: Include intl.h.
9464         (TARGET_INVALID_PARAMETER_TYPE): Redefine.
9465         (TARGET_INVALID_RETURN_TYPE): Redefine.
9466         (TARGET_PROMOTED_TYPE): Redefine.
9467         (TARGET_CONVERT_TO_TYPE): Redefine.
9468         (arm_fp16_format): Define.
9469         (all_fpus): Add entry for neon-fp16.
9470         (fp_model_for_fpu): Likewise.
9471         (struct fp16_format): Declare.
9472         (all_fp16_formats): Define.
9473         (arm_init_libfuncs): Add entries for HFmode conversions and arithmetic
9474         functions.
9475         (arm_override_options): Set arm_fp16_format. Call sorry for fp16
9476         and no ldrh.
9477         (arm_legitimate_index_p): Treat HFmode like HImode.
9478         (thumb1_legitimate_address_p): Make it recognize HFmode constants.
9479         (coproc_secondary_reload_class): Special-case HFmode.
9480         (arm_print_operand): Add 'z' specifier for vld1.16/vst1.16.
9481         (arm_hard_regno_mode_ok): Allow HFmode values in VFP registers.
9482         (arm_init_fp16_builtins): New.
9483         (arm_init_builtins): Call it.
9484         (arm_invalid_parameter_type): New.
9485         (arm_invalid_return_type): New.
9486         (arm_promoted_type): New.
9487         (arm_convert_to_type).
9488         (arm_file_start): Deal with neon-fp16 as fpu_name.  Emit tag for fp16
9489         format.
9490         (arm_emit_fp16_const): New function.
9491         (arm_mangle_type): Mangle __fp16 as "Dh".
9492         * config/arm/arm.h (TARGET_VFPD32): Make it know about
9493         FPUTYPE_NEON_FP16.
9494         (TARGET_NEON_FP16): New.
9495         (TARGET_NEON): Make it know about FPUTYPE_NEON_FP16.
9496         (enum fputype): Add FPUTYPE_NEON_FP16.
9497         (enum arm_fp16_format_type): Declare.
9498         (arm_fp16_format): Declare.
9499         (LARGEST_EXPONENT_IS_NORMAL): Define.
9500         * config/arm/arm-protos.h (arm_emit_fp16_const): Declare.
9501         * config/arm/arm-modes.def (HFmode): Define.
9502         * config/arm/vfp.md: (*movhf_vfp): New.
9503         (extendhfsf2): New.
9504         (truncsfhf2): New.
9505         * config/arm/arm.md: (fpu): Add neon_fp16.
9506         (floatsihf2, floatdihf2): New.
9507         (fix_trunchfsi2, fix_trunchfdi2): New.
9508         (truncdfhf2): New.
9509         (extendhfdf2): New.
9510         (movhf): New.
9511         (*arm32_movhf): New.
9512         (*thumb1_movhf): New.
9513         (consttable_2): Add check for HFmode constants.
9514         (consttable_4): Handle HFmode constants.
9516 2009-06-18  Uros Bizjak  <ubizjak@gmail.com>
9518         * convert.c (convert_to_integer): Convert (int)logb() into ilogb().
9520 2009-06-17  Olivier Hainque  <hainque@adacore.com>
9522         * collect2.c (main): Use CONST_CAST2 to perform char ** to
9523         const char ** conversion in AIX specific section.
9525 2009-06-17  H.J. Lu  <hongjiu.lu@intel.com>
9527         * config/i386/i386.c (ix86_special_builtin_type): Remove
9528         UINT64_FTYPE_PINT.  Add UINT64_FTYPE_PUNSIGNED.
9529         (bdesc_special_args): Updated.
9530         (ix86_init_mmx_sse_builtins): Likewise.
9531         (ix86_expand_special_args_builtin): Likewise.
9533 2009-06-17  Richard Henderson  <rth@redhat.com>
9535         * tree-pretty-print.c (maybe_dump_asm_name): New.
9536         (dump_decl_name): Use it.
9537         (PRINT_FUNCTION_NAME): Merge into...
9538         (dump_function_name): ... here.  Use maybe_dump_asm_name.
9540 2009-06-17  Cary Coutant  <ccoutant@google.com>
9542         * dbxout.c (dbxout_source_line): Add is_stmt parameter.
9543         Change caller.
9544         * debug.c (struct gcc_debug_hooks): Change placeholder for
9545         source_line hook.
9546         (debug_nothing_int_charstar_int): Replaced by...
9547         (debug_nothing_int_charstar_int_bool): ...this.
9548         * debug.h (struct gcc_debug_hooks): Add is_stmt parameter to
9549         source_line prototype.
9550         (debug_nothing_int_charstar_int): Replaced by...
9551         (debug_nothing_int_charstar_int_bool): ...this.
9552         * defaults.h (SUPPORTS_DISCRIMINATOR): New constant.
9553         * dwarf2out.c (dwarf2out_source_line): Add is_stmt parameter.
9554         Output is_stmt operand when necessary.
9555         * final.c (final_scan_insn): Pass is_stmt to source_line debug hook.
9556         (notice_source_line): Add is_stmt parameter.
9557         * sdbout.c (sdbout_source_line): Add is_stmt parameter.
9558         * vmsdbgout.c (vmsdbgout_source_line): Add is_stmt parameter.
9559         Change callers.
9560         * xcoffout.c (xcoffout_source_line): Add is_stmt parameter.
9561         * xcoffout.h (xcoffout_source_line): Add is_stmt parameter.
9563 2009-06-17  Ian Lance Taylor  <iant@google.com>
9565         * expr.c (struct move_by_pieces_d): Rename from move_by_pieces.
9566         Change all uses.
9567         (struct store_by_pieces_d): Rename from store_by_pieces.  Change
9568         call uses.
9570 2009-06-17  Adam Nemet  <anemet@caviumnetworks.com>
9572         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS,
9573         STRIP_USELESS_TYPE_CONVERSION): Use tree_strip_nop_conversions,
9574         tree_strip_sign_nop_conversions and
9575         tree_ssa_strip_useless_type_conversions rather than stripping
9576         the operations here.
9577         (tree_strip_nop_conversions, tree_strip_sign_nop_conversions):
9578         Declare them.
9579         * gimple.h (tree_ssa_strip_useless_type_conversions): Declare it.
9580         * tree-ssa.c (tree_ssa_strip_useless_type_conversions): New function.
9581         * tree.c (tree_nop_conversion, tree_sign_nop_conversion,
9582         tree_strip_nop_conversions, tree_strip_sign_nop_conversions): New
9583         functions.
9585 2009-06-17  Michael Eager  <eager@eagercon.com>
9587         * config/rs6000/constraints.md (register_constraint "d"): New.
9588         * config/rs6000/dfp.md (movsd_store, extendsddd2, extendsdtd2,
9589         truncddsd2, *negdd2_fpr, *absdd2_fpr, *nabsdd2_fpr,
9590         *movdd_hardfloat32, *movdd_hardfloat64_mfpgpr, *movdd_hardfloat64,
9591         *negtd2_fp, *abstd2_fpr, *nabstd2_fpr, *movtd_internal, extendddtd2,
9592         trunctddd2, adddd3, addtd3, subdd3, subtd3, muldd3, multd3, divdd3,
9593         divtd3, *cmpdd_internal1, *cmptd_internal1, floatditd2, ftruncdd2,
9594         fixdddi2, ftrunctd2, fixtddi2): replace 'f' constraint with 'd'
9595         * config/rs6000/ppu_intrinsics.h (__mffs, __mtfsf, __mtfsfi, __fabs,
9596         __fnabs, __fmadd, __fmsub, __fnmadd, __fnmsub, __fsel, __frsqrte,
9597         __fsqrt, __fmul, __fmuls, __frsp, __fcfid, __fctid, __fctidz, __fctiw,
9598         __fctiwz): Same.
9599         * config/rs6000/rs6000.md (*extendsfdf2_fpr, *truncdfsf2_fpr,
9600         *fseldfsf4, *negdf2_fpr, *absdf2_fpr, *nabsdf2_fpr, *adddf3_fpr,
9601         *subdf3_fpr, *muldf3_fpr, *divdf3_fpr, recipdf3, fred, sqrtdf2,
9602         *fseldfdf4, *fselsfdf4, *floatsidf2_internal, *floatunssidf2_internal,
9603         *fix_truncdfsi2_internal, fix_truncdfsi2_internal_gfxopt,
9604         fix_truncdfsi2_mfpgpr, fctiwz, btruncdf2, ceildf2, floordf2, rounddf2,
9605         stfiwx, floatdidf2, fix_truncdfdi2, floatdisf2_internal1,
9606         *movdf_hardfloat32, *movdf_hardfloat64_mfpgpr, *movdf_hardfloat64,
9607         *movtf_internal, *extenddftf2_internal, trunctfdf2_internal1,
9608         trunctfdf2_internal2, trunctfsf2_fprs, fix_trunc_helper,
9609         *fix_trunctfsi2_internal, negtf2_internal, *movdi_internal32,
9610         *movdi_mfpgpr, *movdi_internal64, *movdf_update1, *movdf_update2,
9611         *cmpdf_internal1, *cmptf_internal1, *cmptf_internal2): Same.
9612         * doc/md.texi: Describe PowerPC 'd' constraint, update 'f' constraint.
9614 2009-06-16  Ian Lance Taylor  <iant@google.com>
9616         * profile.c (total_num_never_executed): Don't define.
9617         (compute_branch_probabilities): Don't count or print
9618         num_never_executed.
9619         (init_branch_prob): Don't set total_num_never_executed.
9620         (end_branch_prob): Don't print total_num_never_executed.
9622 2009-06-17  David Daney  <ddaney@caviumnetworks.com>
9624         * jump.c (cleanup_barriers): Handle case of no insns before a barrier.
9626 2009-06-17  David Edelsohn  <edelsohn@gnu.org>
9628         * config/rs6000/dfp.md (nabsdd2_fpr): Correct mode.
9629         (nabstd2_fpr): Same.
9631 2009-06-17  Steve Ellcey  <sje@cup.hp.com>
9633         * expr.c (expand_assignment): Change complex type check.
9635 2009-06-17  Basile Starynkevitch  <basile@starynkevitch.net>
9637         * doc/plugins.texi (Building GCC plugins): Added new section.
9639 2009-06-17  Ian Lance Taylor  <iant@google.com>
9641         * c-pch.c (get_ident): Don't set size of templ array.
9642         (pch_init): Don't set size of partial_pch array.
9644         * c-typeck.c (digest_init): If -Wc++-compat, warn about using a
9645         string constant to intialize an array whose size is the length of
9646         the string.
9648 2009-06-17  Richard Guenther  <rguenther@suse.de>
9650         PR tree-optimization/40389
9651         * tree-ssa-structalias.c (handle_rhs_call): Restrict NRV case
9652         to addressable types.
9653         * gimple.c (walk_stmt_load_store_addr_ops): Likewise.
9655 2009-06-17  Richard Guenther  <rguenther@suse.de>
9657         PR middle-end/40460
9658         * tree-chrec.h (build_polynomial_chrec): If we cannot determine
9659         if there is no evolution of left in the loop bail out.
9660         * tree-chrec.c (chrec_fold_multiply_poly_poly): CSE one
9661         chrec_fold_multiply.
9663 2009-06-16  J"orn Rennecke  <joern.rennecke@arc.com>
9664             Janis Johnson  <janis187@us.ibm.com>
9666         PR target/39254
9667         * config/rs6000/rs6000.c (rs6000_emit_move): Don't emit a USE
9668         for the symbol ref of a constant that is the source of a move
9669         - nor for any other not-obvious-label-ref constants.
9671 2009-06-16  Olatunji Ruwase  <tjruwase@google.com>
9673         * plugin.c (position_pass): Skip newly inserted pass during list
9674         traversal to avoid repeated insertion.
9676 2009-06-16  Ian Lance Taylor  <iant@google.com>
9678         * vec.h (VEC_stack_alloc): Define different version if
9679         GATHER_STATISTICS is defined, to accept and ignore MEM_STAT.
9680         (DEF_VEC_ALLOC_FUNC_P_STACK): Remove MEM_STAT_DECL.
9681         (DEF_VEC_ALLOC_FUNC_O_STACK): Likewise.
9682         (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
9684 2009-06-16  H.J. Lu  <hongjiu.lu@intel.com>
9686         * config.gcc (extra_headers): Add ia32intrin.h for x86.
9688         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_BSRSI,
9689         IX86_BUILTIN_BSRDI.  IX86_BUILTIN_RDPMC, IX86_BUILTIN_RDTSC.
9690         IX86_BUILTIN_RDTSCP.  IX86_BUILTIN_ROLQI, IX86_BUILTIN_ROLHI,
9691         IX86_BUILTIN_RORQI and IX86_BUILTIN_RORHI.
9692         (ix86_special_builtin_type): Add UINT64_FTYPE_VOID,
9693         UINT64_FTYPE_PINT, INT_FTYPE_INT, UINT64_FTYPE_INT,
9694         INT64_FTYPE_INT64, UINT16_FTYPE_UINT16_INT and UINT8_FTYPE_UINT8_INT.
9695         (bdesc_special_args): Add __builtin_ia32_rdtsc and
9696         __builtin_ia32_rdtscp.
9697         (bdesc_args): Add __builtin_ia32_bsrsi, __builtin_ia32_bsrdi,
9698         __builtin_ia32_rolqi, __builtin_ia32_rolhi, __builtin_ia32_rorqi
9699         and __builtin_ia32_rorhi.
9700         (ix86_init_mmx_sse_builtins): Handle UINT64_FTYPE_VOID,
9701         UINT64_FTYPE_PINT, INT_FTYPE_INT, UINT64_FTYPE_INT,
9702         INT64_FTYPE_INT64, UINT16_FTYPE_UINT16_INT and UINT8_FTYPE_UINT8_INT.
9703         (ix86_expand_args_builtin): Likewise.
9704         (ix86_expand_special_args_builtin): Likewise.
9706         * config/i386/i386.md (UNSPECV_RDTSCP): New.
9707         (UNSPECV_RDTSC): Likewise.
9708         (UNSPECV_RDPMC): Likewise.
9709         (*bsr): Renamed to ...
9710         (bsr): This
9711         (*bsr_rex64): Renamed to ...
9712         (bsr_rex64): This.
9713         (rdpmc): New.
9714         (*rdpmc): Likewise.
9715         (*rdpmc_rex64): Likewise.
9716         (rdtsc): Likewise.
9717         (*rdtsc): Likewise.
9718         (*rdtsc_rex64): Likewise.
9719         (rdtscp): Likewise.
9720         (*rdtscp): Likewise.
9721         (*rdtscp_rex64): Likewise.
9723         * config/i386/ia32intrin.h: New.
9725         * config/i386/x86intrin.h: Include <ia32intrin.h>.
9727 2009-06-16  Ian Lance Taylor  <iant@google.com>
9729         * ira-build.c (copy_info_to_removed_store_destinations):
9730         Initialize parent_a.
9732 2009-06-16  Ian Lance Taylor  <iant@google.com>
9734         * c-decl.c (grokdeclarator): Change size_varies to bool.
9736 2009-06-16  Ian Lance Taylor  <iant@google.com>
9738         * sel-sched.c: Make forward declarations of move_op_hooks and
9739         fur_hooks explicitly extern.
9741 2009-06-16  Ian Lance Taylor  <iant@google.com>
9743         * df-problems.c (df_byte_lr_alloc): Don't set problem_data to itself.
9744         * vec.c (vec_gc_o_reserve_1): Don't set alloc to itself.
9746 2009-06-16  Ian Lance Taylor  <iant@google.com>
9748         * resource.c (mark_referenced_resources): Change
9749         include_delayed_effects parameter to bool.  Change all callers.
9750         (mark_end_of_function_resources): Likewise.
9751         * reorg.c (insn_references_resource_p): Likewise.
9752         (insn_sets_resource_p): Likewise.
9753         * resource.h (mark_referenced_resources): Update declaration.
9754         (mark_end_of_function_resources): Update declaration.
9756 2009-06-16  David Edelsohn  <edelsohn@gnu.org>
9758         * config/rs6000/aix.h (LIBSTDCXX_STATIC): Remove -lstdc++.
9760 2009-06-16  David Edelsohn  <edelsohn@gnu.org>
9762         * doc/install.texi (*-*-aix): Update explanation of XLC bootstrap.
9763         GCC can bootstrap on AIX with GNU Binutils 2.20.
9765 2009-06-16  Ian Lance Taylor  <iant@google.com>
9767         * Makefile.in (tree-vect-stmts.o): Depend upon $(TOPLEV_H).
9769 2009-06-16  Ian Lance Taylor  <iant@google.com>
9771         * toplev.h (floor_log2): If GCC_VERSION >= 3004, declare as static
9772         inline, not extern inline.
9773         (exact_log2): Likewise.
9774         * toplev.c (floor_log2): Only define if GCC_VERSION < 3004. Don't
9775         test CLZ_HWI.
9776         (exact_log2): Likewise, but don't test CTZ_HWI.
9778 2009-06-16  Ian Lance Taylor  <iant@google.com>
9780         * bitmap.c (bitmap_clear): Don't declare as inline.
9781         * gimple.c (gimplify_assign): Likewise.
9782         * tree-ssa-sccvn.c (vn_nary_op_compute_hash): Likewise.
9783         * haifa-sched.c (insn_cost): Don't declare with HAIFA_INLINE.
9784         (sched_scan_info): Remove duplicate definition.
9786 2009-06-16  Ian Lance Taylor  <iant@google.com>
9788         * c-common.c (skip_evaluation): Don't define.
9789         (c_inhibit_evaluation_warnings): Define global variable.
9790         (overflow_warning): Check c_inhibit_evaluation_warnings rather
9791         than skip_evaluation.
9792         (convert_and_check, warn_for_div_by_zero): Likewise.
9793         * c-common.h (skip_evaluation): Don't declare.
9794         (c_inhibit_evaluation_warnings): Declare.
9795         * c-parser.c (c_parser_typeof_specifier): Set
9796         c_inhibit_evaluation_warnings rather than skip_evaluation.
9797         (c_parser_conditional_expression): Likewise.
9798         (c_parser_binary_expression): Likewise.
9799         (c_parser_sizeof_expression): Likewise.
9800         (c_parser_alignof_expression): Likewise.
9801         * c-typeck.c (build_indirect_ref): Check
9802         c_inhibit_evaluation_warnings rather than skip_evaluation.
9803         (build_conditional_expr, build_binary_op): Likewise.
9805 2009-06-16  Richard Guenther  <rguenther@suse.de>
9807         * tree-ssa-alias.c (is_escape_site): Remove.
9808         * tree-ssa-alias.h (enum escape_type): Remove.
9809         (is_escape_site): Likewise.
9810         * tree-ssa-structalias.c (find_func_aliases): Handle escapes
9811         via casts and asms without deferring to is_escape_site.
9813 2009-06-16  Jakub Jelinek  <jakub@redhat.com>
9815         PR middle-end/40446
9816         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: Don't
9817         use gen_lowpart if op0 has complex mode.
9819 2009-06-16  Richard Guenther  <rguenther@suse.de>
9821         * tree-ssa-structalias.c (do_ds_constraint): Stores in global
9822         variables add them to ESCAPED.
9823         (find_func_aliases): Do not make all indirectly stored values escaped.
9825 2009-06-16  Rafael Avila de Espindola  <espindola@google.com>
9827         * config/i386/winnt.c (i386_pe_encode_section_info): Update call to
9828         make_decl_one_only.
9830 2009-06-16  Martin Jambor  <mjambor@suse.cz>
9832         PR tree-optimization/40432
9833         * tree-sra.c (sra_modify_assign): When creating VIEW_CONVERT_EXPR,
9834         check whether we need to force gimple register operand.
9836 2009-06-16  Martin Jambor  <mjambor@suse.cz>
9838         PR tree-optimization/40413
9839         * tree-sra.c (load_assign_lhs_subreplacements): Pass offset to
9840         build_ref_for_offset.
9841         (propagate_subacesses_accross_link): Fix a typo in a comment.
9843 2009-06-16  Ira Rosen  <irar@il.ibm.com>
9845         * tree-parloops.c (loop_parallel_p): Call vect_is_simple_reduction
9846         with additional parameter.
9847         * tree-vectorizer.h (enum vect_def_type): Add new value
9848         vect_nested_cycle.
9849         (enum vect_relevant): Add comments.
9850         (vect_is_simple_reduction): Add new argument.
9851         * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Add comments.
9852         Detect nested cycles.
9853         (vect_is_simple_reduction): Update documentation, add an argument to
9854         distinguish inner-loop reduction from nested cycle, detect nested
9855         cycles, fix printings and indentation, don't swap operands in case
9856         of nested cycle.
9857         (get_initial_def_for_reduction): Handle subtraction.
9858         (vect_create_epilog_for_reduction): Add new argument to specify
9859         reduction variable.
9860         (vect_finalize_reduction): Handle subtraction, fix comments.
9861         (vectorizable_reduction): Handle nested cycles. In case of nested
9862         cycle keep track of the reduction variable position. Call
9863         vect_is_simple_reduction with additional parameter. Use original
9864         statement code in reduction epilogue for nested cycle. Call
9865         vect_create_epilog_for_reduction with additional parameter.
9866         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Assert
9867         inner-loop vectorization.
9868         (vect_recog_widen_sum_pattern): Likewise.
9869         * tree-vect-stmts.c (process_use): Distinguish between nested cycles
9870         and reductions.
9871         (vect_mark_stmts_to_be_vectorized): Likewise.
9872         (vect_get_vec_def_for_operand): Handle nested cycles.
9874 2009-06-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9876         * doc/invoke.texi (Debugging Options): Fix option index entries
9877         for -fdump-statistics, -frandom-seed add entries for
9878         -fdump-tree-original, -fdump-tree-optimized, -frandom-seed.
9879         (FRV Options): Fix entries for -mTLS, -mtls.
9880         (HPPA Options): Fix entries for -mgnu-ld, -mhp-ld.
9881         (i386 and x86-64 Options): Fix entry for -mno-red-zone.
9882         (M68hc1x Options): Fix @itemx for -mnominmax.
9883         (MCore Options): Fix entry for -mno-lsim.
9884         (MMIX Options): Fix entry for -mabi=mmixware.
9885         (PDP-11 Options): Fix entry for -mbcopy-builtin.
9887 2009-06-16  Basile Starynkevitch  <basile@starynkevitch.net>
9889         * doc/plugins.texi (Interacting with the GCC Garbage Collector):
9890         Mention the plugin mode of gengtype.
9891         * doc/gty.texi (Source Files Containing Type Information): Likewise.
9892         * gengtype.c: Updated copyright.
9893         (plugin_files, nb_plugin_files) Added new static variables.
9894         (measure_input_list) Care about plugin_files.
9895         (write_rtx_next): Added early return in plugin mode.
9896         (create_file): Updated copyright year in generated file. Added
9897         asserts.
9898         (oprintf): Added early return if NULL outf.
9899         (get_output_file_with_visibility): Care of plugin_files.
9900         (get_output_file_name): May return null.
9901         (write_local): Added early return.
9902         (put_mangled_filename): Ditto.
9903         (finish_root_table): Added check for base_files.
9904         (write_roots): Care about null when plugins.
9905         (main): Added plugin mode.
9907 2009-06-15  Ian Lance Taylor  <iant@google.com>
9909         * df-problems.c (df_simulate_one_insn_forwards): Fix braces in switch.
9910         * gcov.c (read_count_file): Add braces around variables declared
9911         before label.
9913         * c.opt (Wjump-misses-init): New warning.
9914         * c-opts.c (c_common_handle_option): Set warn_jump_misses_init for
9915         -Wall and -Wc++-compat if not already set.
9916         (c_common_post_options): Clear warn_jump_misses_init if it was not
9917         set.
9918         * c-decl.c (struct c_binding): Change type field to a union with
9919         new label field.  Make it the first field in the struct.  Update
9920         references to type to use u.type instead.
9921         (struct c_spot_bindings): Define.
9922         (struct c_goto_bindings): Define.
9923         (c_goto_bindings_p): Define, along with VECs.
9924         (struct c_label_vars): Define.
9925         (struct c_scope): Add has_label_bindings field.
9926         (bind_label, set_spot_bindings): New static functions.
9927         (decl_jump_unsafe, update_spot_bindings): New static functions.
9928         (update_label_decls): New static function.
9929         (pop_scope): Call update_label_decls.  Don't call c_end_vm_scope.
9930         Update binding u.label field to shadowed field.
9931         (c_binding_start_stmt_expr): New function.
9932         (c_binding_end_stmt_expr): New function.
9933         (pushdecl): Don't call c_begin_vm_scope.
9934         (make_label): Add defining and p_label_vars parameters.  Change
9935         all callers.
9936         (lookup_label): Correct test for whether a label has not yet been
9937         defined.  Call bind_label rather than bind.
9938         (warn_about_goto): New static function.
9939         (lookup_label_for_goto): New function.
9940         (declare_label): Call bind_label rather than bind.
9941         (check_earlier_gotos): New static function.
9942         (define_label): Don't give errors about jumping into statement
9943         expressions or scopes of variably modified types.  Call
9944         set_spot_bindings and check_earlier_gotos.  Call bind_label
9945         instead of bind.  Don't set label_context_stack_se or
9946         label_context_stack_vm.
9947         (c_get_switch_bindings): New function.
9948         (c_release_switch_bindings): New function.
9949         (c_check_switch_jump_warnings): New function.
9950         (start_function): Don't set label_context_stack_se or
9951         label_context_stack_vm.
9952         (finish_function): Likewise.
9953         * c-typeck.c (label_context_stack_se): Don't define.
9954         (label_context_stack_vm): Don't define.
9955         (c_finish_goto_label): Call lookup_label_for_goto rather than
9956         lookup_label.  Don't give errors about jumping into a statement
9957         expression or the scope of a variably modified type.  Don't set
9958         label_context_stack_se or label_context_stack_vm.
9959         (struct c_switch): Remove blocked_stmt_expr and blocked_vm
9960         fields.  Add bindings field.
9961         (c_start_case): Don't set deleted fields.  Set bindings field.
9962         (do_case): Rework order of tests.  Don't check blocked_stmt_expr
9963         or blocked_vm.  Call c_check_switch_jump_warnings.
9964         (c_finish_case): Don't test blocked_stmt_expr field.  Call
9965         c_release_switch_bindings.
9966         (c_begin_stmt_expr): Don't increment blocked_stmt_expr in
9967         c_switch_stack.  Don't walk label_context_stack_se labels.  Don't
9968         set label_context_stack_se.  Call c_bindings_start_stmt_expr.
9969         (c_finish_stmt_expr): Don't decrement blocked_stmt_expr in
9970         c_switch_stack.  Don't walk label_context_stack_se labels.  Don't
9971         set label_context_stack_se.  Call c_bindings_end_stmt_expr.
9972         (c_begin_vm_scope, c_end_vm_scope): Don't define.
9973         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR): Don't define.
9974         (C_DECL_UNDEFINABLE_STMT_EXPR): Don't define.
9975         (C_DECL_UNJUMPABLE_VM): Don't define.
9976         (C_DECL_UNDEFINABLE_VM): Don't define.
9977         (struct c_label_list): Don't define.
9978         (struct c_label_context_se): Don't define.
9979         (struct c_label_context_vm): Don't define.
9980         (struct c_spot_bindings): Declare.
9981         (c_bindings_start_stmt_expr): Declare.
9982         (c_bindings_end_stmt_expr): Declare.
9983         (lookup_label_for_goto): Declare.
9984         (c_get_switch_bindings, c_release_switch_bindings): Declare.
9985         (c_check_switch_jump_warnings): Declare.
9986         (label_context_stack_se, label_context_stack_vm): Don't declare.
9987         (c_finish_goto_label): Update declaration.
9988         (c_begin_vm_scope, c_end_vm_scope): Don't declare.
9989         * doc/invoke.texi (Option Summary): Mention -Wjump-misses-init.
9990         (Warning Options): Document -Wjump-misses-init.
9992 2009-06-15  Jakub Jelinek  <jakub@redhat.com>
9994         * tree-object-size.c (addr_object_size): Fix a pasto in the last
9995         change.
9997 2009-06-15  Rafael Avila de Espindola  <espindola@google.com>
9999         * cgraph.c (cgraph_make_node_local): Use DECL_COMDAT_GROUP.
10001 2009-06-15  Aldy Hernandez  <aldyh@redhat.com>
10003         * except.c (init_eh): Use BUILTINS_LOCATION when calling build_decl.
10005 2009-06-15  Aldy Hernandez  <aldyh@redhat.com>
10007         * tree-eh.c (lower_try_finally_switch): Initialize tf_loc.
10009 2009-06-15  Rafael Avila de Espindola  <espindola@google.com>
10011         * cgraphunit.c (cgraph_function_versioning,save_inline_function_body):
10012         Use DECL_COMDAT_GROUP instead of DECL_ONE_ONLY.
10013         * cgraph.c (cgraph_create_virtual_clone): Use DECL_COMDAT_GROUP.
10014         * config/i386/i386.c (ix86_file_end): Compute DECL_COMDAT_GROUP.
10015         * dwarf2asm.c (dw2_force_const_mem): Update call to
10016         make_decl_one_only.
10017         * langhooks-def.h (lhd_comdat_group, LANG_HOOKS_COMDAT_GROUP): Remove.
10018         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_COMDAT_GROUP.
10019         * langhooks.c (lhd_comdat_group): Remove.
10020         * langhooks.h (lang_hooks_for_decls): Remove comdat_group.
10021         * tree.h (DECL_COMDAT_GROUP): New.
10022         (DECL_ONE_ONLY): Use DECL_COMDAT_GROUP.
10023         (tree_decl_with_vis): Add comdat_group. Remove one_only.
10024         (make_decl_one_only): Change signature.
10025         * varasm.c (get_emutls_init_templ_addr, emutls_decl): Update call to
10026         make_decl_one_only.
10027         (make_decl_one_only): Change signature.
10028         (default_elf_asm_named_section): Use DECL_COMDAT_GROUP.
10030 2009-06-15  Richard Guenther  <rguenther@suse.de>
10032         PR middle-end/40439
10033         * tree.c (widest_int_cst_value): Fix bootstrap on 32bit HWI hosts.
10035 2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
10037         * tree-ssa-math-opts.c: Remove extra divide.
10039 2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
10041         * config/s390/s390.md ("bswap<mode>2"): Only available on z900.
10043 2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
10045         * passes.c: Add bswap pass.
10046         * tree-pass.h: Add pass_optimize_bswap declaration.
10047         * tree-ssa-math-opts.c: Include diagnostics.h for print_gimple_stmt.
10048         Include rtl.h, expr.h and optabs.h for optab_handler check.
10049         (struct symbolic_number, pass_optimize_bswap): New definition.
10050         (do_shift_rotate, verify_symbolic_number_p): New functions.
10051         (find_bswap_1, find_bswap, execute_optimize_bswap): New functions.
10052         (gate_optimize_bswap): New function.
10053         * tree.c (widest_int_cst_value): New function.
10054         * tree.h (widest_int_cst_value): Prototype added.
10056 2009-06-14  Steven Bosscher  <steven@gcc.gnu.org>
10058         * cfgcleanup.c (old_insns_match_p): Remove code to substitute
10059         REG_EQUAL/REG_EQUIV notes.
10061 2009-06-14  Richard Guenther  <rguenther@suse.de>
10063         PR middle-end/40389
10064         * gimple.c (walk_stmt_load_store_addr_ops): The LHS of a call
10065         has its address taken if NRV was applied and it is addressable.
10066         * tree-ssa-structalias.c (get_constraint_for_address_of): New
10067         function split out from ...
10068         (get_constraint_for_1): ... here.
10069         (handle_rhs_call): Use it to mark the return slot escaped if
10070         it is addressable and NRV was applied.
10072 2009-06-13  Aldy Hernandez  <aldyh@redhat.com>
10074         * config/rs6000/rs6000-protos.h (altivec_resolve_overloaded_builtin):
10075         Change first argument type to location_t.
10076         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Same.
10077         Do not set input_location.
10078         Use loc instead of input_location throughout.
10080 2009-06-13  Richard Guenther  <rguenther@suse.de>
10082         PR tree-optimization/40421
10083         * tree-predcom.c (should_unroll_loop_p): Remove.
10084         (tree_predictive_commoning_loop): Use can_unroll_loop_p.
10086 2009-06-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
10088         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
10089         Add location argument.
10091 2009-06-13  Aldy Hernandez  <aldyh@redhat.com>
10093         * config/alpha/alpha.c (alpha_build_builtin_va_list): Pass location to
10094         build_decl.
10095         * config/s390/s390.c (s390_build_builtin_va_list): Same.
10096         (s390_gimplify_va_arg): Pass location to create_artificial_label.
10097         * config/spu/spu-protos.h: Add location to
10098         spu_resolve_overloaded_builtin.
10099         * config/spu/spu.c (spu_build_builtin_va_list): Pass location to
10100         spu_build_builtin_va_list.
10101         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Add location
10102         argument.  Pass location to build_function_call_vec.
10103         * config/sh/sh.c (sh_build_builtin_va_list): Pass location to
10104         build_decl.
10105         (emit_fpu_switch): Same.
10106         (sh_gimplify_va_arg_expr): Pass location to create_artificial_label.
10107         * config/xtensa/xtensa.c (xtensa_build_builtin_va_list): Pass location
10108         to build_decl and create_artificial_label.
10109         (xtensa_gimplify_va_arg_expr): Same.
10110         * config/stormy16/stormy16.c (xstormy16_build_builtin_va_list): Same.
10111         (xstormy16_gimplify_va_arg_expr): Same.
10112         * config/iq2000/iq2000.c (iq2000_expand_prologue): Same.
10113         * config/arm/arm.c (arm_build_builtin_va_list): Same.
10114         * config/mips/mips.c (mips_build_builtin_va_list): Same.
10115         (mips16_build_function_stub): Same.
10116         (mips16_build_call_stub): Same.
10118 2009-06-13  Richard Earnshaw  <rearnsha@arm.com>
10120         PR target/40327
10121         * arm/constraints.md (Pa, Pb): New constraints.
10122         * arm/arm.md (thumb1_addsi3): Support more complex additions.  Add a
10123         split pattern to deal with them.
10125 2009-06-13  Joerg Sonnenberger  <joerg@britannica.bec.de>
10127         * doc/invoke.texi: Add missing option -Wp,OPTION in list,
10128         fix index entry for -Xpreprocessor.
10130 2009-06-12  Aldy Hernandez  <aldyh@redhat.com>
10132         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
10133         Add location argument to build_decl call.
10134         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Same.
10135         (rs6000_init_builtins): Same.
10136         (spe_init_builtins): Same.
10137         (rs6000_gimplify_va_arg): Add location argument to
10138         create_artificial_label call.
10140 2009-06-12  Steven Bosscher  <steven@gcc.gnu.org>
10142         * timevar.def (TV_COMBINE_STACK_ADJUST): New timevar.
10143         * combine-stack-adj.c (pass_stack_adjustments): Use it.
10144         * Makefile.in: Fix GGC dependency for gcse.o.
10146 2009-06-12  Aldy Hernandez  <aldyh@redhat.com>
10148         * tree-pretty-print.c (dump_generic_node): Dump column numbers.
10149         * gimple-pretty-print.c (dump_gimple_stmt): Same.
10150         * gimplify.c (gimplify_modify_expr): Set location for GIMPLE_ASSIGNs
10151         created.
10152         * c-parser.c (c_parser_binary_expression): Use current column while
10153         building binary operations.
10154         * common.opt (fshow-column): Enable by default.
10155         * tree-vrp.c (check_array_ref): Use warning_at.
10156         (check_array_bounds): Use location from call back if expr has no
10157         location.
10158         * tree.h: Add location argument to maybe_fold_*.
10159         * tree-ssa-ccp.c (ccp_fold): Pass location to maybe_fold_*.
10160         (maybe_fold_offset_to_array_ref): Add location argument and use it.
10161         (maybe_fold_offset_to_component_ref): Same.
10162         (maybe_fold_offset_to_reference): Same.
10163         (maybe_fold_offset_to_address): Same.
10164         (maybe_fold_stmt_indirect): Same.
10165         (maybe_fold_stmt_addition): Same.
10166         (fold_stmt_r): Pass location to maybe_fold_*.
10167         (fold_gimple_assign): Same.
10168         * c-tree.h: Add location argument to finish_decl,
10169         default_function_array_conversion, store_init_value.
10170         * c-decl.c (define_label): Use error_at.
10171         (c_make_fname_decl): Pass location to finish_decl.
10172         (finish_decl): New location argument.
10173         (build_compound_literal): Pass location to store_init_value.
10174         (grokdeclarator): Pass location to finish_decl.
10175         (grokfield): Same.
10176         * c-typeck.c (array_to_pointer_conversion): New location argument.
10177         (function_to_pointer_conversion): Same.
10178         (default_function_array_conversion): Same.
10179         (parser_build_unary_op): Pass location to overflow_warning.
10180         (parser_build_binary_op): Same.  Use warning_at.
10181         (build_unary_op): Pass location to array_to_pointer_conversion.
10182         (build_c_cast): Pass location to digest_init.
10183         (build_modify_expr): New location argument.
10184         (convert_for_assignment): Same.
10185         (store_init_value): Same.
10186         (digest_init): Same.
10187         (output_init_element): Pass location to digest_init and
10188         array_to_pointer_conversion.
10189         (c_finish_return): Pass location to convert_for_assignment.
10190         * gimplify.c (gimplify_conversion): Pass location to
10191         maybe_fold_offset_to_address.
10192         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Pass location
10193         to maybe_fold_stmt_addition.
10194         * c-omp.c (c_finish_omp_atomic): Pass new location to
10195         build_modify_expr.
10196         (c_finish_omp_for): Same.
10197         * c-common.c (overflow_warning): New argument.
10198         * c-common.h: New argument to build_modify_expr, overflow_warning.
10199         * c-parser.c (c_parser_declaration_or_fndef): Pass location to
10200         finish_decl.
10201         (c_parser_initializer): Pass location to
10202         default_function_array_conversion.
10203         (c_parser_initelt): Same.
10204         (c_parser_initval): Same.
10205         (c_parser_asm_operands): Same.
10206         (c_parser_expr_no_commas): Same.  Pass location to build_modify_expr.
10207         (c_parser_conditional_expression): Same.
10208         (c_parser_binary_expression): Add location info to stack.  Use it.
10209         (c_parser_unary_expression): Pass location to
10210         default_function_array_conversion, parser_build_unary_op,
10211         build_indirect_ref, c_parser_postfix_expression_after_primary.
10212         (c_parser_postfix_expression_after_primary): New location argument.
10213         Use it.
10214         (c_parser_expression_conv): Pass location to
10215         default_function_array_conversion.
10216         (c_parser_expr_list): Same.
10217         (c_parser_omp_atomic): Same.
10218         (c_parser_omp_for_loop): Same.
10219         * c-tree.h: (struct c_declarator): Add comment to id_loc.
10220         (build_array_declarator): New argument.
10221         * c-decl.c (build_array_declarator): Add location argument.
10222         (grokdeclarator): Set id_loc for cdk_array.
10223         * c-parser.c (c_parser_direct_declarator_inner): Pass location to
10224         build_array_declarator.
10225         * tree.c (build_omp_clause): Add location argument.
10226         * tree.h (OMP_CLAUSE_HAS_LOCATION): New macro.
10227         (OMP_CLAUSE_LOCATION): New macro.
10228         (struct tree_omp_clause): Add location field.
10229         (build_omp_clause): Add argument.
10230         * testsuite/gcc.dg/gomp/for-1.c: Fix column.
10231         * cp/pt.c (tsubst_omp_for_iterator): Pass location to
10232         build_omp_clause.
10233         * cp/parser.c (cp_parser_omp_var_list_no_open): Same.
10234         (cp_parser_omp_clause_collapse): Same.
10235         (cp_parser_omp_clause_default): Same.
10236         (cp_parser_omp_clause_if): Same.
10237         (cp_parser_omp_clause_nowait): Same.
10238         (cp_parser_omp_clause_num_threads): Same.
10239         (cp_parser_omp_clause_ordered): Same.
10240         (cp_parser_omp_clause_schedule): Same.
10241         (cp_parser_omp_clause_untied): Same.
10242         (cp_parser_omp_for_loop): Same.
10243         (cp_parser_omp_parallel): Pass location to c_split_parallel_clauses.
10244         * c-tree.h (c_start_case): Add location argument.
10245         (c_process_expr_stmt): Same.
10246         (c_finish_goto_*): Same.
10247         * tree-parloops.c (initialize_reductions): Pass location to
10248         build_omp_clause.
10249         (create_parallel_loop): Same.
10250         * fortran/trans-openmp.c (gfc_trans_omp_variable_list): Same.
10251         (gfc_trans_omp_reduction_list): Same.
10252         (gfc_trans_omp_clauses): Same.
10253         (gfc_trans_omp_do): Same.
10254         * c-typeck.c (c_finish_goto_label): Same.
10255         (c_finish_goto_ptr): New location argument.
10256         (c_start_case): Same.
10257         (emit_side_effect_warnings): Same.
10258         (c_process_expr_stmt): Same.
10259         (c_finish_stmt_expr): Same.
10260         (c_finish_omp_clauses): Use error_at instead of error.
10261         * gimplify.c (gimplify_adjust_omp_clauses_1): Pass location to
10262         build_omp_clause.
10263         * c-omp.c (c_split_parallel_clauses): New location argument.
10264         * tree-nested.c (convert_nonlocal_reference_stmt): Pass location
10265         to build_omp_clause.
10266         (convert_local_reference_stmt): Same.
10267         (convert_gimple_call): Same.
10268         * c-common.h (c_split_parallel_clauses): New argument.
10269         * c-parser.c (c_parser_statement_after_labels): Pass location to
10270         c_finish_goto_label.
10271         (c_parser_switch_statement): Pass location to c_start_case.
10272         (c_parser_for_statement): Pass location to c_finish_expr_stmt,
10273         and c_process_expr_stmt.
10274         (c_parser_omp_variable_list): Add location argument.
10275         (c_parser_omp_clause_collapse): Pass location to build_omp_clause.
10276         (c_parser_omp_clause_default): Same.
10277         (c_parser_omp_clause_if): Same.
10278         (c_parser_omp_clause_num_threads): Same.
10279         (-c_parser_omp_clause_ordered): Same.
10280         (c_parser_omp_clause_reduction): Pass location to
10281         c_parser_omp_variable_list.
10282         (c_parser_omp_clause_schedule): Pass location to build_omp_clause.
10283         (c_parser_omp_clause_untied): Same.
10284         (c_parser_omp_for_loop): Pass location to c_process_expr_stmt.
10285         (c_parser_omp_parallel): Pass location to c_split_parallel_clauses.
10287         * c-tree.h (check_for_loop_decls, undeclared_variable,
10288         build_component_ref, build_array_ref, build_external_ref,
10289         c_expr_sizeof_expr, c_expr_sizeof_type, parser_build_unary_op,
10290         build_conditional_expr, build_compound_expr, c_cast_expr,
10291         build_c_cast, build_asm_expr, c_end_compound_stmt, c_finish_stmt_expr,
10292         c_finish_return, c_finish_omp_parallel, c_finish_omp_task): New
10293         argument.
10294         * c-semantics.c (build_stmt): Same.
10295         (build_case_label): Same.
10296         * c-decl.c (c_finish_incomplete_decl): Pass location on down.
10297         (undeclared_variable): New argument.
10298         (make_label): Same.
10299         (lookup_label): Pass location on down.
10300         (define_label): Same.
10301         (finish_decl): Same.
10302         (build_compound_literal): Same.
10303         (finish_struct): Same.
10304         (finish_function): Do not set location here.
10305         (check_for_loop_decls): New argument.
10306         * tree.c (save_expr): Set location.
10307         (build_empty_stmt): New argument.
10308         * tree.h (build_empty_stmt): New argument to build_empty_stmt.
10309         (CAN_HAVE_LOCATION_P): Make sure we have a non empty node.
10310         * builtins.c (gimplify_va_arg_expr): Use locations.
10311         (expand_builtin_sync_operation): Same.
10312         * c-typeck.c (build_component_ref): New argument.
10313         (build_array_ref): Same.
10314         (build_external_ref): Same.
10315         (c_expr_sizeof_expr): Same.
10316         (c_expr_sizeof_type): Same.
10317         (parser_build_unary_op): Same.
10318         (build_conditional_expr): Same.
10319         (build_compound_expr): Pass location on down.
10320         (build_compound_expr): New argument.
10321         (build_c_cast): Same.
10322         (c_cast_expr): Same.
10323         (build_asm_expr): Same.
10324         (c_finish_return): Same.
10325         (c_process_expr_stmt): Pass location on down.
10326         (c_finish_stmt_expr): New argument.
10327         (push_clenaup): Same.
10328         (c_finish_omp_parallel): Same.
10329         (c_finish_omp_task): Same.
10330         * gimplify.c (gimplify_call_expr): Pass location on down.
10331         * c-omp.c (c_finish_omp_master): New argument.
10332         (c_finish_omp_critical): Same.
10333         (c_finish_omp_ordered): Same.
10334         (c_finish_omp_barrier): Same.
10335         (-c_finish_omp_taskwait): Same.
10336         (c_finish_omp_atomic): Same.
10337         (c_finish_omp_flush): Same.
10338         * tree-inline.c (copy_tree_body_r): Pass location on down.
10339         (inline_forbidden_p): Remove use of input_location.
10340         * c-gimplify.c (c_build_bind_expr): New argument.
10341         * c-common.c (c_common_truthvalue_conversion): Pass location on down.
10342         (c_sizeof_or_alignof_type): New argument.
10343         (c_alignof_expr): Same.
10344         (build_va_arg): Same.
10345         (c_add_case_label): Same.
10346         * c-common.h (c_sizeof_or_alignof_type, c_alignof_expr,
10347         c_sizeof, c_alignof, build_va_arg, build_stmt, build_case_label,
10348         c_build_bind_expr, objc_build_selector_expr, objc_build_throw_stmt,
10349         c_finish_omp_master, c_finish_omp_critical, c_finish_omp_ordered,
10350         c_finish_omp_barrier, c_finish_omp_atomic, c_finish_omp_flush,
10351         c_finish_omp_taskwait, c_finish_omp_for, c_split_parallel_clauses):
10352         New argument.
10353         * stub-objc.c (objc_build_selector_expr): Same.
10354         (objc_build_throw_stmt): Same.
10355         * c-parser.c (c_parser_declaration_or_fndef): Pass location on down.
10356         (c_parser_initelt): Same.
10357         (c_parser_compound_statement): Same.
10358         (c_parser_compound_statement_nostart): Same.
10359         (c_parser_label): Same.
10360         (c_parser_statement_after_labels): Same.
10361         (c_parser_if_body): Same.
10362         (c_parser_else_body): Same.
10363         (c_parser_if_statement): Same.
10364         (c_parser_switch_statement): Same.
10365         (c_parser_while_statement): Same.
10366         (c_parser_do_statement): Same.
10367         (c_parser_for_statement): Same.
10368         (c_parser_asm_statement): Same.
10369         (c_parser_conditional_expression): Same.
10370         (c_parser_binary_expression): Same.
10371         (c_parser_cast_expression): Same.
10372         (c_parser_unary_expression): Same.
10373         (c_parser_sizeof_expression): Same.
10374         (c_parser_alignof_expression): Same.
10375         (c_parser_postfix_expression): Same.
10376         (c_parser_expression): Same.
10377         (c_parser_objc_receiver): Same.
10378         (c_parser_omp_variable_list): Same.
10379         (c_parser_omp_structured_block): Same.
10380         (c_parser_omp_atomic): New argument.
10381         (c_parser_omp_barrier): Same.
10382         (c_parser_omp_critical): Same.
10383         (c_parser_omp_flush): Pass location on down.
10384         (c_parser_omp_for_loop): New argument.
10385         (c_parser_omp_for): Same.
10386         (c_parser_omp_master): Same.
10387         (c_parser_omp_ordered): Same.
10388         (c_parser_omp_sections_scope): Same.
10389         (c_parser_omp_sections): Same.
10390         (c_parser_omp_parallel): Same.
10391         (c_parser_omp_single): Same.
10392         (c_parser_omp_task): Same.
10393         (c_parser_omp_taskwait): Pass location on down.
10394         (c_parser_omp_construct): Same.
10395         (c_parser_omp_threadprivate): Same.
10396         * dwarf2asm.c, targhooks.c, optabs.c, tree.c, tree.h, target.h,
10397         builtins.c, omp-low.c, cgraphunit.c, tree-call-cdce.c,
10398         tree-ssa-alias.c, gimple-low.c, c-tree.h, expr.c, tree-parloops.c,
10399         c-decl.c, tree-eh.c, langhooks.c, function.c, stor-layout.c,
10400         c-typeck.c, gimplify.c, c-pragma.c, expmed.c, except.c, coverage.c,
10401         emit-rtl.c, cfgexpand.c, tree-mudflap.c, varasm.c, tree-nested.c,
10402         rtl.h, tree-inline.c, tree-profile.c, c-common.c, c-common.h,
10403         tree-switch-conversion.c, tree-cfg.c, ipa-struct-reorg.c, c-parser.c,
10404         config/i386/i386.c, stmt.c:
10405         Add location argument to the following function definitions and/or
10406         function calls: build_decl, objcp_start_struct, objcp_finish_struct,
10407         start_struct, finish_struct, PUSH_FIELD, create_artificial_label,
10408         cp_make_fname_decl, pushtag, implicitly_declare, c_make_fname_decl,
10409         build_compound_literal, parser_xref_tag, resolve_overloaded_builtin,
10410         do_case, c_finish_bc_stmt, build_compound_literal,
10411         build_function_call.
10412         * c-decl.c (build_compound_literal): Add location argument.
10413         Make all diagnostic calls use location.
10414         (start_struct): Same.
10415         (finish_struct): Same.
10416         (start_enum): Same.
10417         (build_enumerator): Same.
10418         (start_function): Same.
10419         (grokdeclarator): Make all diagnostic calls use location.
10420         (store_parm_decls_oldstyle): Same.
10421         * c-typeck.c (build_function_call): Add location argument.
10422         Make all diagnostic calls use location.
10423         (do_case): Same.
10424         (c_finish_bc_stmt): Same.
10425         * tree-nested.c (get_trampoline_type): Add argument.
10426         Pass location to build_decl.
10427         (lookup_tramp_for_decl): Pass location to get_trampoline_type.
10428         * rtl.h (RTL_LOCATION): New.
10429         * c-common.c (c_add_case_label): Add location argument.
10430         Make all diagnostic calls use location.
10431         * c-common.h: Add location argument to make_fname_decl, do_case,
10432         c_add_case_label, build_function_call, resolve_overloaded_builtin.
10433         * c-parser.c (c_parser_enum_specifier): Rename ident_loc to enum_loc.
10434         Set it appropriately for every case.  Pass enum_loc to start_enum
10435         call.  Pass value_loc first to build_enumerator.  Pass enum_loc to
10436         parser_xref_tag.
10437         (c_parser_struct_or_union_specifier): Save location.  Use it for
10438         start_struct, finish_struct, and parser_xref_tag.
10440 2009-06-12  Ian Lance Taylor  <iant@google.com>
10442         * fold-const.c (fold_unary): Rename local variable and to and_expr.
10444         * c-opts.c (c_common_handle_option): For -Wc++-compat set
10445         cpp_opts->warn_cxx_operator_names.
10447 2009-06-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10449         PR tree-opt/38865
10450         * tree-ssa-sccvn.c (visit_reference_op_load): If vn_reference_lookup
10451         is returns NULL and OP is a VCE, look through the VCE.
10453 2009-06-12  Ian Lance Taylor  <iant@google.com>
10455         PR bootstrap/40430
10456         * collect2.c (main): Use CONST_CAST2 in code inside #if
10457         LINK_ELIMINATE_DUPLICATE_LDIRECTORIES.
10459 2009-06-12  Joey Ye  <joey.ye@intel.com>
10461         PR middle-end/39146
10462         * cfgexpand.c (get_decl_align_unit): Update
10463         max_used_stack_slot_alignment with align instead of
10464         stack_alignment_needed.
10466         * function.c (assign_stack_local_1): Update
10467         max_used_stack_slot_alignment with alignment_in_bits instead
10468         of stack_alignment_needed.
10469         (locate_and_pad_parm): Don't update max_used_stack_slot_alignment
10470         here.
10472 2009-06-12  Jakub Jelinek  <jakub@redhat.com>
10474         * dwarf2out.c (last_var_location_insn): New variable.
10475         (dwarf2out_end_epilogue): Clear last_var_location_insn.
10476         (dwarf2out_var_location): Don't record anything after last real
10477         insn.  Only change labels if there were any real instructions
10478         in between last note and this one, or if changed sections.
10480 2009-06-11  Richard Henderson  <rth@redhat.com>
10482         * alpha.c (alpha_expand_prologue): Add a REF_CFA_REGISTER
10483         note when storing the frame pointer in a register.
10484         (FRP): Don't redefine to nothing for epilogue.
10485         (alpha_expand_epilogue): Mark register and sp restores.
10486         (unicosmk_gen_dsib): Don't mark weird frame pointer adjust.
10488         * config/alpha/alpha.c (alpha_emit_setcc): Fix test for
10489         when gen_lowpart is needed.
10491 2009-06-11  Richard Henderson  <rth@redhat.com>
10493         * dwarf2out.c (def_cfa_1): Likewise for DW_CFA_cfa_offset.
10495         * dwarf2out.c (need_data_align_sf_opcode): New.
10496         (div_data_align): Move earlier.
10497         (def_cfa_1, reg_save): Use it.
10499 2009-06-11  H.J. Lu  <hongjiu.lu@intel.com>
10501         * config/i386/i386.c (OPTION_MASK_ISA_CRC32_SET): New.
10502         (OPTION_MASK_ISA_CRC32_UNSET): Likewise.
10503         (ix86_handle_option): Handle OPT_mcrc32.
10504         (ix86_target_string): Add -mcrc32.
10505         (bdesc_args): Enable crc32 builtins with OPTION_MASK_ISA_CRC32.
10507         * config/i386/i386.h (TARGET_CRC32): New.
10509         * config/i386/i386.md (sse4_2_crc32<mode>): Also check TARGET_CRC32.
10510         (sse4_2_crc32di): Likewise.
10512         * config/i386/i386.opt (mcrc32): New.
10514         * doc/invoke.texi: Document -mcrc32.
10516 2009-06-11  Richard Henderson  <rth@redhat.com>
10518         * common.opt (gdwarf-): Accept a version number.
10519         * doc/invoke.texi (gdwarf-): Update docs.
10520         * opth-gen.awk: Special case -gdwarf+ to OPT_gdwarfplus.
10521         * opts.c (common_handle_option) [OPT_gdwarf_]: Verify dwarf
10522         version level, and record it.
10524         * dwarf2.h (DW_CIE_VERSION): Remove.
10525         * dwarf2out.c (DWARF_VERSION): Remove.
10526         (add_fde_cfi): Skip DW_CFA_set_loc addition for dwarf3.
10527         (output_call_frame_info): Use CIE version 3 for dwarf3,
10528         or if the return register column is out of range for version 1.
10529         (dwarf_stack_op_name): Add all dwarf3 values.
10530         (DEBUG_PUBTYPES_SECTION): New.
10531         (size_of_die) [dw_val_class_die_ref]: Handle DW_FORM_ref_addr
10532         encoding change for dwarf3.
10533         (output_die) [dw_val_class_die_ref]: Likewise.
10534         (output_compilation_unit_header): Emit correct version for dwarf3.
10535         (output_line_info): Likewise.
10536         (output_pubnames): Update for DWARF_VERSION removal.
10537         (output_aranges): Likewise.
10538         (gen_subprogram_die): Emit DW_OP_call_frame_cfa if emitting dwarf3.
10539         (dwarf2out_init): Don't ifdef DEBUG_PUBTYPES_SECTION.
10540         (dwarf2out_finish): Likewise.
10542 2009-06-11  David Daney  <ddaney@caviumnetworks.com>
10544         * system.h (gcc_assert, gcc_unreachable): Revert accidental commit
10545         in r148403.
10547 2009-06-11  David Daney  <ddaney@caviumnetworks.com>
10549         PR c/39252
10550         * doc/extend.texi ( __builtin_unreachable): Document new builtin.
10551         * builtins.c (expand_builtin_unreachable): New function.
10552         (expand_builtin): Handle BUILT_IN_UNREACHABLE case.
10553         * builtins.def (BUILT_IN_UNREACHABLE): Add new builtin.
10554         * cfgcleanup.c (try_optimize_cfg): Delete empty blocks with no
10555         successors.
10556         * cfgrtl.c (rtl_verify_flow_info): Handle empty blocks when
10557         searching for missing barriers.
10559 2009-06-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
10561         * config/darwin.h (LINK_COMMAND_SPEC): Adjust spec to link libcov
10562         when -fprofile-generate* was passed.
10563         * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
10565 2009-06-11  Anthony Green  <green@moxielogic.com>
10567         * config/moxie/moxie.md: Define length attribute for all instructions.
10568         (rCC): Define.
10569         (*b<cond:code>): Support limited branch ranges for new PC-relative
10570         branch instructions.
10571         * config/moxie/moxie.h (HAS_LONG_UNCOND_BRANCH): Define.
10573 2009-06-11  Jakub Jelinek  <jakub@redhat.com>
10575         * config/i386/i386.c (min_insn_size): Use get_attr_length
10576         for normal insns other than TYPE_MULTI, TYPE_OTHER and TYPE_FCMP.
10577         For __asm return 0.
10579         * config/i386/i386.c (ix86_pad_returns): Use emit_jump_insn_before
10580         instead of emit_insn_before.
10582 2009-06-10  Ian Lance Taylor  <iant@google.com>
10584         PR bootstrap/40408
10585         * graphite.c (add_conditions_to_domain): Change SWITCH_EXPR to
10586         GIMPLE_SWITCH.
10588 2009-06-10  Revital Eres  <eres@il.ibm.com>
10590         * passes.c (init_optimization_passes): Reschedule
10591         predictive-commoning pass before complete unroll pass.
10593 2009-06-10  Martin Jambor  <mjambor@suse.cz>
10595         * cgraph.c (cgraph_node_can_be_local_p): New function.
10596         (cgraph_make_node_local): New function.
10597         * cgraph.h (cgraph_node_can_be_local_p): Declare.
10598         (cgraph_make_node_local): Declare.
10600 2009-06-10  Nathan Froyd  <froydnj@codesourcery.com>
10602         * tree.h (tree_base): Add packed_flag and user_align fields.
10603         Decrease size of spare field.
10604         (TYPE_USER_ALIGN): Use user_align from tree_base.
10605         (DECL_USER_ALIGN): Likewise.
10606         (TYPE_PACKED): Use packed_flag from tree_base.
10607         (DECL_PACKED): Likewise.
10608         (tree_type): Delete packed_flag and user_align fields.  Widen
10609         precision field.  Widen mode field and shuffle fields to align
10610         mode on an 8-bit boundary.
10611         (tree_decl_common): Delete decl_flag_1 and user_align fields.
10612         Renumber decl_flag_* fields.  Fix comments.  Widen
10613         decl_common_unused field.
10614         (DECL_HAS_VALUE_EXPR_P): Adjust for renumbering of decl_flag_* fields.
10615         (DECL_EXTERNAL): Likewise.
10616         (DECL_BIT_FIELD): Likewise.
10617         (DECL_NONADDRESSABLE_P): Likewise.
10618         (TYPE_DECL_SUPRESS_DEBUG): Likewise.
10619         * config/arm/arm-modes.def (XImode): Make it an INT_MODE.
10621 2009-06-10  Ian Lance Taylor  <iant@google.com>
10623         * vec.h (DEF_VEC_ALLOC_I): Use DEF_VEC_NONALLOC_FUNCS_I.
10624         (DEF_VEC_ALLOC_P): Use DEF_VEC_NONALLOC_FUNCS_P.
10625         (DEF_VEC_ALLOC_O): Use DEF_VEC_NONALLOC_FUNCS_O.
10626         (DEF_VEC_ALLOC_FUNC_P): Only define VEC_OP (T,A,alloc).
10627         (DEF_VEC_NONALLOC_FUNCS_P): New macro, broken out of old
10628         DEF_VEC_ALLOC_FUNC_P.
10629         (DEF_VEC_ALLOC_FUNC_O): Only define VEC_OP (T,A,alloc).
10630         (DEF_VEC_NONALLOC_FUNCS_O): New macro, broken out of old
10631         DEF_VEC_ALLOC_FUNC_O.
10632         (DEF_VEC_ALLOC_FUNC_I): Only define VEC_OP (T,A,alloc).
10633         (DEF_VEC_NONALLOC_FUNCS_I): New macro, broken out of old
10634         DEF_VEC_ALLOC_FUNC_I.
10635         (vec_stack_p_reserve, vec_stack_p_reserve_exact): Declare.
10636         (vec_stack_p_reserve_exact_1): Declare.
10637         (vec_stack_o_reserve, vec_stack_o_reserve_exact): Declare.
10638         (vec_stack_free): Declare.
10639         (VEC_stack_alloc): Define.
10640         (DEF_VEC_ALLOC_P_STACK, DEF_VEC_ALLOC_FUNC_P_STACK): Define.
10641         (DEF_VEC_ALLOC_O_STACK, DEF_VEC_ALLOC_FUNC_O_STACK): Define.
10642         (DEF_VEC_ALLOC_I_STACK, DEF_VEC_ALLOC_FUNC_I_STACK): Define.
10643         * vec.c (void_p): New type.  Call DEF_VEC_P and DEF_VEC_ALLOC_P
10644         for void_p.
10645         (stack_vecs): New static variable.
10646         (vec_stack_p_reserve_exact_1): New function.
10647         (vec_stack_o_reserve_1): New static function.
10648         (vec_stack_p_reserve, vec_stack_p_reserve_exact): New functions.
10649         (vec_stack_o_reserve, vec_stack_o_reserve_exact): New functions.
10650         (vec_stack_free): New function.
10651         * df-scan.c (df_ref): Use DEF_VEC_P and DEF_VEC_ALLOC_P_STACK.
10652         (VEC_df_ref_stack_alloc): Define.
10653         (df_mw_hardreg_ptr): New type.  Use DEF_VEC_P and
10654         DEF_VEC_ALLOC_P_STACK.
10655         (VEC_df_mw_hardreg_ptr_stack_alloc): Define.
10656         (struct df_collection_rec): Change _vec fields to VEC.  Remove
10657         _use fields.
10658         (df_free_collection_rec): Adjust for new fields.
10659         (df_insn_rescan): Use new df_collection_rec fields.
10660         (df_notes_rescan, df_canonize_collection_rec): Likewise.
10661         (df_ref_create_structure, df_ref_record): Likewise.
10662         (df_get_conditional_uses, df_get_call_refs): Likewise.
10663         (df_insn_refs_collect, df_bb_refs_collect): Likewise.
10664         (df_bb_refs_record, df_record_entry_block_defs): Likewise.
10665         (df_record_exit_block_uses, df_bb_verify): Likewise.
10666         (df_swap_refs): Change ref_vec parameter to VEC.  Change all callers.
10667         (df_sort_and_compress_refs): Change ref_vec parameter to VEC.
10668         Remove count parameter.  Change return type to void.  Change all
10669         callers.
10670         (df_sort_and_compress_mws): Change mw_vec parameter to VEC.
10671         Remove count parameter.  Change return type to void.  Change all
10672         callers.
10673         (df_install_refs): Change old_vec parameter to VEC.  Remove count
10674         parameter.  Change all callers.
10675         (df_install_mws): Change old_vec parameter to VEC.  Remove count
10676         parameter.  Change all callers.
10677         (df_refs_verify): Change new_rec parameter to VEC.  Change call
10678         callers.
10679         (df_mws_verify): Likewise.
10681 2009-06-10  Alexandre Oliva  <aoliva@redhat.com>
10683         * gcc.c (compare_files): Cast munmap argumento to caddr_t.
10685 2009-06-10  H.J. Lu  <hongjiu.lu@intel.com>
10687         * doc/extend.texi: Add description for __builtin_ia32_crc32di.
10689 2009-06-10  Anthony Green  <green@moxielogic.com>
10691         * config/moxie/crti.asm: New file.
10692         * config/moxie/crtn.asm: New file.
10693         * config/moxie/moxie.c: New file.
10694         * config/moxie/moxie.h: New file.
10695         * config/moxie/sfp-machine.h: New file.
10696         * config/moxie/moxie-protos.h: New file.
10697         * config/moxie/t-moxie: Created.
10698         * config/moxie/t-moxie-softfp: Created.
10699         * config/moxie/moxie.md: Created.
10700         * config/moxie/constraints.md: Created.
10701         * config.gcc: Add moxie support.
10702         * doc/md.texi (Machine Constraints): Add moxie constraints.
10703         * doc/contrib.texi (Contributors): Mention moxie port.
10704         * doc/install.texi (Specific): Mention the moxie port.
10706 2009-06-09  Ian Lance Taylor  <iant@google.com>
10708         * system.h (HAVE_DESIGNATED_INITIALIZERS): Don't define if
10709         compiling with C++.
10710         * optabs.c (optab_table): Only use designated initializers if
10711         HAVE_DESIGNATED_INITIALIZERS is defined.
10712         (convert_optab_table): Likewise.
10713         (init_optabs): Always call init_insn_codes if
10714         HAVE_DESIGNATED_INITIALIZERS is not defined.
10716 2009-06-09  Ian Lance Taylor  <iant@google.com>
10718         * targhooks.c (default_builtin_vectorized_function): Change fn
10719         parameter to unsigned int.
10720         (default_builtin_vectorized_conversion): Change code parameter to
10721         unsigned int.
10722         (default_builtin_reciprocal): Change fn parameter to unsigned int.
10723         * targhooks.h: Update declarations.
10724         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Change code
10725         parameter to unsigned int.
10727         * c-typeck.c (comptypes_check_enum_int): New static function.
10728         (comptypes_internal): Add enum_and_int_p parameter.  Change all
10729         callers.
10730         (comp_target_types): Add location parameter.  Change all callers.
10731         (tagged_types_tu_compatible_p): Add enum_and_int_p parameter.
10732         Change all callers.
10733         (function_types_compatible_p, type_lists_compatible_p): Likewise.
10734         (build_conditional_expr): Add colon_loc parameter.  Change all
10735         callers.
10736         (convert_for_assignment): Add location parameter.  Change all callers.
10737         * c-parser.c (c_parser_conditional_expression): Pass location of
10738         colon to build_conditional_expr.
10739         * c-tree.h (build_conditional_expr): Update declaration.
10741 2009-06-09  Sebastian Pop  <sebastian.pop@amd.com>
10743         * graphite.c: Revert previous patch.
10745 2009-06-09  Sebastian Pop  <sebastian.pop@amd.com>
10747         PR bootstrap/40103
10748         * graphite.c: Remove pragma GCC diagnostic warning "-Wc++-compat".
10750 2009-06-09  Ghassan Shobaki  <ghassan.shobaki@amd.com>
10752         * tree-ssa-loop-prefetch.c
10753         (loop_prefetch_arrays): Fixed a portability problem in printf format
10754         string.
10756 2009-06-09  Martin Jambor  <mjambor@suse.cz>
10758         PR tree-optimization/40351
10759         * tree-sra.c (propagate_subacesses_accross_link): Check that a
10760         refrence to a potential artifical subaccess can be constructed.
10762 2009-06-08  Kaz Kojima  <kkojima@gcc.gnu.org>
10764         * config/sh/sh-protos.h (sh_optimization_options): Declare.
10765         (sh_override_options): Likewise.
10766         * config/sh/sh.c: Include params.h.
10767         (sh_optimization_options): New.
10768         (sh_override_options): Likewise.
10769         * config/sh/sh.c (OPTIMIZATION_OPTIONS): Use sh_optimization_options.
10770         (OVERRIDE_OPTIONS): Use sh_override_options.
10772 2009-06-08  Jakub Jelinek  <jakub@redhat.com>
10774         * dwarf2out.c (emit_cfa_remember): New variable.
10775         (add_fde_cfi): If emit_cfa_remember, recurse to add
10776         DW_CFA_remember_state first.
10777         (dwarf2out_begin_epilogue): Don't add_fde_cfi DW_CFA_remember_state,
10778         instead just set emit_cfa_remember.
10780 2009-06-08  Jan Hubicka  <jh@suse.cz>
10782         PR debug/40126
10783         * dwarf2out.c (dwarf2out_abstract_function): Free decl_loc_table.
10785 2009-06-08  Jan Hubicka  <jh@suse.cz>
10787         PR middle-end/39834
10788         * cgraphunit.c (save_inline_function_body): Do not copy transform
10789         hooks for saved inline bodies.
10790         * ipa-passes.c (do_per_function): Do not add the hoks multiple times
10791         for given function.
10793 2009-06-08  Adam Nemet  <anemet@caviumnetworks.com>
10795         * jump.c (returnjump_p): Handle delayed branches.  Add missing
10796         function comment.
10798 2009-06-08  Jan Hubicka  <jh@suse.cz>
10800         PR middle-end/40102
10801         * cgraph.c (cgraph_create_edge_including_clones): Also asume that the
10802         original node might've been modified.
10803         * tree-inline.c (copy_bb): Do not assume that all clones are the same.
10805 2009-06-08  Jakub Jelinek  <jakub@redhat.com>
10807         * tree-object-size.c (addr_object_size): Add OSI argument.
10808         Handle also INDIRECT_REF with SSA_NAME inside of it as base address.
10809         (compute_builtin_object_size, expr_object_size): Adjust callers.
10810         (plus_stmt_object_size): Call addr_object_size instead of
10811         compute_builtin_object_size.
10813 2009-06-08  Ghassan Shobaki  <ghassan.shobaki@amd.com>
10814             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
10816         * tree-ssa-loop-prefetch.c
10817         (gather_memory_references): Introduced a counter for the number of
10818         memory references.
10819         (anything_to_prefetch_p): Introduced a counter for the number of
10820         prefetches.
10821         (is_loop_prefetching_profitable): New function with a cost model
10822         for prefetching.
10823         (loop_prefetch_arrays): Use the new cost model to determine if
10824         prefetching is profitable.
10825         * params.def (MIN_INSN_TO_PREFETCH_RATIO,
10826         PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
10827         * params.h (MIN_INSN_TO_PREFETCH_RATIO,
10828         PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
10829         * doc/invoke.texi (MIN_INSN_TO_PREFETCT_RATIO,
10830         PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
10832 2009-06-08  Michael Matz  <matz@suse.de>
10834         PR debug/40012
10835         * cfgexpand.c (set_rtl): Store place also in DECL_RTL, if all
10836         partitions use the same.
10837         (expand_one_var): Deal with DECL_RTL sometimes begin set also
10838         for basevars of SSA_NAMEs.
10839         (expand_used_vars): Reset TREE_USED for basevars of SSA_NAMEs,
10840         to not expand them twice.
10841         (gimple_expand_cfg): Clear DECL_RTL for those decls that have
10842         multiple places.
10844 2009-06-08  Alexandre Oliva  <aoliva@redhat.com>
10846         * common.opt (fcompare-debug=, fcompare-debug-second): New.
10847         (fdump-final-insns=, gtoggle): New.
10848         * doc/invoke.texi: Document them.
10849         * final.c (rest_of_clean_state): Dump final insn stream.
10850         * gcc.c (invoke_as): Hook in -fcompare-debug.
10851         (static_spec_functions): Add compare-debug-dump-opt,
10852         compare-debug-self-opt and compare-debug-auxbase-opt.
10853         (compare_debug, compare_debug_second, compare_debug_opt): New.
10854         (switches_debug_check, n_switches_debug_check): New.
10855         (debug_auxbase_opt, debug_check_temp_file): New.
10856         (process_command): Handle -fno-compare-debug, -fcompare-debug and
10857         -fcompare-debug=*.
10858         (do_self_spec): Handle arguments after switches.
10859         (do_spec_1): Add .gk extension to temp file basenames for compare.
10860         (check_live_switch): Take SWITCH_IGNORE into account, and earlier.
10861         (cc1_options): Use it instead of normal auxbase computation for
10862         the second compare-debug compilation.
10863         (compare_files): New.
10864         (main): Set up and implement compare debug mode.
10865         (compare_debug_dump_opt_spec_function): New.
10866         (compare_debug_self_opt_spec_function): New.
10867         (compare_debug_auxbase_opt_spec_function): New.
10868         * toplev.c (process_options): Handle flag_gtoggle,
10869         flag_dump_final_insns.
10870         * coverage.c (coverage_begin_output): Don't overwrite .gcno file
10871         during -fcompare-debug-second compilation.
10873 2009-06-07  Ian Lance Taylor  <iant@google.com>
10875         * dwarf2.h (enum dwarf_location_atom): Add INTERNAL_DW_OP_tls_addr.
10876         * dwarf2out.c (INTERNAL_DW_OP_tls_addr): Don't #define.
10878         * c-common.c (c_do_switch_warnings): Don't exit early for -Wswitch
10879         with no default node.  Change warning with %H to warning_at.
10880         Don't clear warn_switch around case checking.
10881         * doc/invoke.texi (Warning Options): Clarify distinction between
10882         -Wswitch and -Wswitch-enum.
10884 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
10886         * tree-pass.h (TODO_update_ssa_any): Document internal use only.
10888 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
10890         * gbl-ctors.h: Add header guard.
10892 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
10894         * tree-flow.h (make_value_handle, set_value_handle, sort_vuses,
10895         sort_vuses_heap, vn_lookup_or_add, vn_lookup_or_add_with_stmt,
10896         vn_lookup_or_add_with_vuses, vn_add, vn_add_with_vuses,
10897         vn_lookup_with_stmt, vn_lookup, vn_lookup_with_vuses): Remove
10898         prototypes for removed functions.
10899         (expressions_equal_p): Move to ...
10900         * tree-ssa-sccvn.h: ... here and ...
10901         * matrix-reorg.c: ... adjust includes.
10903 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
10905         * ipa-struct-reorg.c (do_reorg_1): Fix whitespace in dump output.
10907 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
10909         * c-decl.c (finish_decl): Use bool for variable was_incomplete.
10910         (finish_function): Remove erroneous whitespace.
10912 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
10914         * tree-cfg.c (gimple_merge_blocks): Commentary typo fix.
10915         (verify_stmts): Print statement who's gimple_bb is set to a wrong BB
10917 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
10919         * errors.c (internal_error): Commentary typo fix.
10920         * gimple-iterator.c (gsi_insert_seq_on_edge): Ditto.
10921         * tree-ssa-pre.c: Ditto.
10923 2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
10925         * basic-block.h (ENTRY_BLOCK, EXIT_BLOCK): Document that neither of
10926         them is supposed to hold actual statements.
10928 2009-06-06  Ian Lance Taylor  <iant@google.com>
10930         * doc/extend.texi (Attribute Syntax): Document that C++ labels on
10931         empty statements can now have attributes.
10933 2009-06-05  Shujing Zhao  <pearly.zhao@oracle.com>
10935         * config/mips/mips.c: Use REG_P and CONST_INT_P where applicable.
10936         * config/mips/mips.md: Ditto.
10938 2009-06-05  Nathan Froyd  <froydnj@codesourcery.com>
10940         * config/rs6000/eabi.asm (__eabi_convert): Don't define if
10941         _RELOCATABLE.
10942         (__eabi_uconvert): Likewise.
10944 2009-06-05  Nathan Froyd  <froydnj@codesourcery.com>
10946         * config/rs6000/ppc-asm.h: Protect auto-host.h inclusion and
10947         CFI_* definitions with IN_GCC.
10949 2009-06-05  David Edelsohn  <edelsohn@gnu.org>
10951         * xcoffout.h (xcoffout_source_line): Update prototype.
10953 2009-06-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10955         * builtins.c (do_mpc_ckconv, do_mpc_arg1): Use
10956         mpc_realref/mpc_imagref instead of MPC_RE/MPC_IM.
10958 2009-06-05  Jakub Jelinek  <jakub@redhat.com>
10960         PR middle-end/40340
10961         * tree-ssa-live.c (remove_unused_scope_block_p): Don't prune
10962         inlined_function_outer_scope_p blocks for artificial inlines
10963         even at -g0/-g1.
10964         * tree.c (tree_nonartificial_location): Rewrite using
10965         block_nonartificial_location.
10967 2009-06-05  Revital Eres  <eres@il.ibm.com>
10968             Leehod Baruch  <leehod@il.ibm.com>
10970         * expr.c (expand_assignment): Expand MISALIGNED_INDIRECT_REF.
10971         (expand_expr_real_1): Remove comment.
10972         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
10973         Vectorize misaligned access when the target supports it.
10974         (vect_supportable_dr_alignment): Check for unaligned access support.
10975         * tree-vect-stmts.c (vectorizable_store): Generate misaligned store
10976         and remove asset.
10978 2009-06-05  Julian Brown  <julian@codesourcery.com>
10980         * config/arm/ieee754-df.S (cmpdf2): Avoid writing below SP.
10981         * config/arm/ieee754-sf.S (cmpsf2): Likewise.
10983 2009-06-05  Richard Guenther  <rguenther@suse.de>
10985         PR bootstrap/40350
10986         * dwarf2out.c (dwarf2out_begin_function): Mark discriminator
10987         as possibly unused.
10989 2009-06-05  Jakub Jelinek  <jakub@redhat.com>
10991         * config/s390/s390.c (global_not_special_regno_p): New static inline.
10992         (save_gprs): Don't tell unwinder when a global register is saved.
10993         (s390_emit_epilogue): Emit needed epilogue unwind info.
10995 2009-06-05  Alexandre Oliva  <aoliva@redhat.com>
10997         * dwarf2out.c (deferred_asm_name): New.
10998         (add_name_and_src_coords_attributes): Defer creation of
10999         DW_AT_MIPS_linkage_name attribute if DECL_ASSEMBLER_NAME was not
11000         computed yet.
11001         (move_linkage_attr): New.
11002         (dwarf2out_finish): Revisit deferrals and emit attributes at the
11003         right place.
11005 2009-06-05  Alexandre Oliva  <aoliva@redhat.com>
11007         * tree-nested.c (finalize_nesting_tree_1): Declare the
11008         frame_decl in the binding tree.
11010 2009-06-04  Cary Coutant  <ccoutant@google.com>
11012         * basic-block.h (struct basic_block_def): Add discriminator field.
11013         * dbxout.c (dbxout_source_line): Add new parameter.  Change all
11014         callers.
11015         * debug.c (do_nothing_debug_hooks): Add additional entry.
11016         (debug_nothing_int_charstar_int): New function.
11017         * debug.h (struct gcc_debug_hooks): Add parameter to source_line hook.
11018         (debug_nothing_int_charstar_int): New declaration.
11019         * dwarf2out.c (dwarf2out_source_line): Add new parameter.  Write
11020         discriminator value in .loc directive.
11021         * final.c (last_discriminator): New variable.
11022         (discriminator): New variable.
11023         (final_start_function): Initialize above variables, pass current
11024         discriminator to debug hook.
11025         (notice_source_line): Check for discriminator change.
11026         * gimple-pretty-print.c (dump_bb_header): Print discriminator value.
11027         * sdbout.c (sdbout_source_line): New parameter.
11028         * tree-cfg.c (struct locus_discrim_map): New structure type.
11029         (discriminator_per_locus): New hash table.
11030         (build_gimple_cfg): Allocate and free discriminator hash table.
11031         (make_edges): Call assign_discriminator.
11032         (locus_map_hash): New function.
11033         (locus_map_eq): New function.
11034         (next_discriminator_for_locus): New function.
11035         (same_line_p): New function.
11036         (assign_discriminator): New function.
11037         (make_cond_expr_edges): Call assign_discriminator.
11038         (make_gimple_switch_edges): Likewise.
11039         (first_non_label_stmt): New function.
11040         * vmsdbgout.c (vmsdbgout_source_line): Add new parameter.  Change
11041         all callers.
11042         * xcoffout.c (xcoffout_source_line): Add new parameter.
11044         * configure.ac (gcc_cv_as_discriminator): New configury check for
11045         gas support for discriminator.
11046         * configure: Regenerate.
11047         * config.in: Regenerate.
11049 2009-06-04  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
11051         * config/arm/arm.c (thumb2_legitimate_index_p): Initialize
11052         val after checking for integers.
11054 2009-06-04  Uros Bizjak  <ubizjak@gmail.com>
11056         * config/i386/i386.h (X86_64_MS_REGPARM_MAX): Rename from
11057         X64_REGPARM_MAX.
11058         (REGPARM_MAX): Use X86_64_MS_REGPARM_MAX.
11059         (X86_64_MS_SSE_REGPARM_MAX): Rename from X64_SSE_REGPARM_MAX.
11060         (SSE_REGPARM_MAX): Use X86_64_MS_SSE_REGPARM_MAX.
11061         * config/i386/i386.c: Use X86_64_MS_REGPARM_MAX instead of
11062         X64_REGPARM_MAX.  Use X86_64_MS_SSE_REGPARM_MAX instead of
11063         X64_SSE_REGPARM_MAX.
11064         * config/i386/i386.md: Use X86_64_MS_SSE_REGPARM_MAX instead of
11065         X64_SSE_REGPARM_MAX.
11067 2009-06-04  Alexandre Oliva  <aoliva@redhat.com>
11069         * gcc.c (report_times_to_file): New.
11070         (execute): Implement it.
11071         (process_command): Support -time=.
11072         * doc/invoke.texi: Document it.
11074 2009-06-04  Alexandre Oliva  <aoliva@redhat.com>
11076         * tree-ssa-live.c (remove_unused_scope_block_p): Keep variables
11077         that have value exprs.
11079 2009-06-04  Alexandre Oliva  <aoliva@redhat.com>
11081         * dwarf2asm.c (dw2_force_const_mem): Defer creation of
11082         declarations for constants until...
11083         (dw2_output_indirect_constant_1): ... this point.
11085 2009-06-04  Richard Earnshaw  <rearnsha@arm.com>
11087         PR target/10242
11088         * arm.md (arm_addsi3): Don't try to split an add with an
11089         eliminable register until after reload has completed.
11091 2009-06-03  Ian Lance Taylor  <iant@google.com>
11093         * dummy-checksum.c (executable_checksum): Use EXPORTED_CONST.
11094         * genattrtab.c (write_length_unit_log): Likewise.
11095         * genchecksum.c (dosum): Likewise.
11096         * gengtype.c (write_rtx_next): Likewise.
11097         (finish_root_table, write_roots): Likewise.
11098         * gimple.c (gimple_ops_offset_): Likewise.
11099         * tree-nomudflap.c (gt_ggc_r_gt_tree_mudflap_h): Likewise.
11100         * config/arc/arc.c (arc_attribute_table): Likewise.
11101         * config/arm/arm.c (arm_attribute_table): Likewise.
11102         * config/avr/avr.c (avr_attribute_table): Likewise.
11103         * config/crx/crx.c (crx_attribute_table): Likewise.
11104         * config/m32r/m32r.c (m32r_attribute_table): Likewise.
11105         * config/m68hc11/m68hc11.c (m68hc11_attribute_table): Likewise.
11106         * config/mcore/mcore.c (mcore_attribute_table): Likewise.
11107         * config/rs6000/rs6000.c (rs6000_attribute_table): Likewise.
11108         * config/sh/sh.c (sh_attribute_table): Likewise.
11109         * config/sparc/sparc.c (sparc_attribute_table): Likewise.
11110         * config/spu/spu.c (spu_attribute_table): Likewise.
11111         * config/v850/v850.c (v850_attribute_table): Likewise.
11113         * config/alpha/alpha.c (vms_attribute_table): Make static.
11114         * config/bfin/bfin.c (bfin_attribute_table): Likewise.
11115         * config/h8300/h8300.c (h8300_attribute_table): Likewise.
11116         * config/mips/mips.c (mips_attribute_table): Likewise.
11118         * Makefile.in (dummy-checksum.o): Depend upon $(CONFIG_H) and
11119         $(SYSTEM_H).
11120         (cc1-checksum.o): Likewise.
11122 2009-06-03  Steve Ellcey  <sje@cup.hp.com>
11124         * config/ia64/vect.md (*movv2sf_internal): Handle big endian case.
11126 2009-06-03  Jakub Jelinek  <jakub@redhat.com>
11128         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Return generated
11129         insn if it is changing sp.  Use gen_add3_insn instead of
11130         conditionally gen_addsi3 and gen_adddi3.
11131         (offset_below_red_zone_p): New static inline function.
11132         (rs6000_emit_epilogue): Emit needed epilogue unwind info.
11133         Use gen_add3_insn instead of conditionally gen_addsi3 and gen_adddi3.
11134         * config/rs6000/ppc-asm.h: Include auto-host.h.
11135         (CFI_STARTPROC, CFI_ENDPROC, CFI_DEF_CFA_REGISTER, CFI_OFFSET,
11136         CFI_RESTORE): Define.
11137         * config/rs6000/crtresxgpr.asm: Add unwind info.
11138         * config/rs6000/crtresxfpr.asm: Likewise.
11139         * config/rs6000/crtresgpr.asm: Likewise.
11140         * config/rs6000/crtresfpr.asm: Likewise.
11141         * config/rs6000/crtsavgpr.asm: Likewise.
11142         * config/rs6000/crtsavfpr.asm: Likewise.
11144         * dwarf2out.c (output_cfi_directive): Pass 1 instead of 0 to second
11145         argument of DWARF2_FRAME_REG_OUT macros.
11147 2009-06-03  Julian Brown  <julian@codesourcery.com>
11149         * config/arm/arm.c (arm_hard_regno_mode_ok): Permit values of four
11150         words or less (including TImode) in core registers.
11152 2009-06-03  Richard Guenther  <rguenther@suse.de>
11154         PR middle-end/40328
11155         * fold-const.c (fold_convert): Fold the build COMPLEX_EXPR.
11157 2009-06-03  Andrey Belevantsev  <abel@ispras.ru>
11159         * statistics.c (statistics_counter_event): Do not record event
11160         in pass dump if its number == -1.
11161         (curr_statistics_hash): Add assert that we never get passes
11162         with static number == -1.
11164 2009-06-03  Richard Guenther  <rguenther@suse.de>
11165             Andrey Belevantsev  <abel@ispras.ru>
11167         * cfgexpand.c (discover_nonconstant_array_refs_r): Make only
11168         non-BLKmode arrays addressable.
11170 2009-06-03  Maxim Kuvyrkov  <maxim@codesourcery.com>
11172         * config/m68k/linux.h (HAVE_GAS_BALIGN_AND_P2ALIGN): Move to ...
11173         * config/m68k/m68k.h: ... here.
11174         * testsuite/gcc.dg/falign-labels.c (dg-options): Don't restrict for
11175         m68k and fido.
11177 2009-06-03  Martin Jambor  <mjambor@suse.cz>
11179         PR tree-optimization/40323
11180         * ipa-prop.c (get_ssa_def_if_simple_copy): Break if not single
11181         assignment.
11183 2009-06-03  Richard Guenther  <rguenther@suse.de>
11185         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use DECL_SIZE
11186         consistently.
11188 2009-06-03  Shujing Zhao  <pearly.zhao@oracle.com>
11190         * config/sh/predicates.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
11191         JUMP_P, CALL_P, NONJUMP_INSN_P, NOTE_P, BARRIER_P and
11192         JUMP_TABLE_DATA_P where applicable.
11193         * config/sh/sh.c: Ditto.
11194         * config/sh/sh.h: Ditto.
11195         * config/sh/sh.md: Ditto.
11196         * config/sh/symbian.c: Ditto.
11198 2009-06-03  Uros Bizjak  <ubizjak@gmail.com>
11200         * config/i386/driver-i386.c (describe_cache): Optimize
11201         concatenation of strings.  Use snprintf instead of sprintf.
11202         (host_detect_local_cpu): Ditto.  Ignore -march and -mtune for native
11203         target when not compiling with GCC.
11205 2009-06-02  Kaz Kojima  <kkojima@gcc.gnu.org>
11207         * config/sh/sh.c: Revert last change.
11208         (sh_expand_epilogue): Emit a blockage insn before the frame
11209         pointer adjustment unconditionally.
11211 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
11213         * config/pa/pa-hpux.h (LINK_SPEC): Remove "%<fwhole-program".
11214         * config/pa/pa-hpux10.h (LINK_SPEC): Likewise.
11215         * config/pa/pa-hpux11.h (LINK_SPEC): Likewise.
11216         * gcc.c (set_collect_gcc_options): Don't add -fwhole-program
11217         to COLLECT_GCC_OPTIONS.
11219 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
11221         * collect2.c (target_system_root): New variable.
11222         (main): Handle --sysroot=.
11223         (ignore_library): Strip the sysroot from the library path.
11225 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
11227         * Makefile.in (COLLECT2_OBJS): Add collect2-aix.o.
11228         (collect2.o): Depend on collect2-aix.h.
11229         (collect2-aix.o): New rule.
11230         * collect2-aix.h: New file.
11231         * collect2-aix.c: Likewise.
11232         * collect2.c: Include collect2-aix.h.  Don't undefine
11233         OBJECT_FORMAT_COFF if CROSS_AIX_SUPPORT is defined.
11234         Guard native includes with #ifndef CROSS_DIRECTORY_STRUCTURE.
11235         Use TARGET_AIX_VERSION instead of _AIX51.
11236         * config/rs6000/aix43.h (TARGET_AIX_VERSION): Define.
11237         * config/rs6000/aix51.h (TARGET_AIX_VERSION): Likewise.
11238         * config/rs6000/aix52.h (TARGET_AIX_VERSION): Likewise.
11239         * config/rs6000/aix53.h (TARGET_AIX_VERSION): Likewise.
11240         * config/rs6000/aix61.h (TARGET_AIX_VERSION): Likewise.
11242 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
11244         * collect2.c (ignore_library): Avoid premature post-increment
11245         and null deference.
11247 2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>
11249         * Makefile.in (libgcc.mvars): Add TARGET_SYSTEM_ROOT.
11250         * config/rs6000/aix.h (LINK_SYSCALLS_SPEC): Add %R to the
11251         !CROSS_DIRECTORY_STRUCTURE alternative and use it for
11252         CROSS_DIRECTORY_STRUCTURE too.
11253         (LINK_LIBG_SPEC): Likewise.
11254         (LIB_SPEC): Add %R to sysroot paths.
11255         * config/rs6000/aix43.h (CPP_SPEC): Add %R to sysroot paths.
11256         (CPLUSPLUS_CPP_SPEC, LIB_SPEC): Likewise.
11257         * config/rs6000/aix51.h: As for aix43.h.
11258         * config/rs6000/aix52.h: Likewise.
11259         * config/rs6000/aix53.h: Likewise.
11260         * config/rs6000/aix61.h: Likewise.
11261         * config/rs6000/t-aix52 (SHLIB_LINK): Add $(TARGET_SYSTEM_ROOT)
11262         to the beginning of sysroot paths.
11264 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
11266         * print_rtl (print_rtx): Don't print modes in EXPR_LISTs and
11267         INSN_LISTs that are out of the REG_NOTE range.
11269 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
11271         * loop-unroll.c (struct iv_to_split): Add pointer to next.
11272         (struct var_to_expand): Likewise.
11273         (struct opt_info): Add head and tail for linked lists of the above.
11274         (analyze_insn_to_expand_var): Initialize next.
11275         (analyze_iv_to_split_insn): Likewise.
11276         (analyze_insns_in_loop): Create linked lists.
11277         (allocate_basic_variable): Simplify for use without hash table.
11278         (insert_var_expansion_initialization): Likewise, make it type-safer.
11279         (combine_var_copies_in_loop_exit): Likewise.
11280         (apply_opt_in_copies): Walk lists rather than hash tables.
11281         (release_var_copies): Simplified and inlined by hand into...
11282         (free_opt_info): ... this function.
11284 2009-06-02  Richard Guenther  <rguenther@suse.de>
11286         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use DECL_SIZE
11287         for field decls.
11289 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
11291         * cfgexpand.c (gimple_expand_cfg): Discard the source location
11292         only for builtins that are not overridden.
11294 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
11296         * gengtype.c (adjust_field_rtx_def): Add NOTE_INSN_DELETED_LABEL's
11297         label string.
11299 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
11301         * df-core.c (df_ref_debug): Honor -fdump-noaddr.
11303 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
11305         * combine.c (move_deaths): Compare LUIDs within the same BB only.
11307 2009-06-02  Alexandre Oliva  <aoliva@redhat.com>
11309         * common.opt (fdump-unnumbered-links): New.
11310         * doc/invoke.texi (-fdump-unnumbered-links): Document it.
11311         * print-rtl.c (flag_dump_unnumbered_links): New.
11312         (print_rtx): Test it.
11314 2009-06-02  Richard Earnshaw  <rearnsha@arm.com>
11316         * arm.c (arm_get_frame_offsets): Prefer using r3 for padding a
11317         push/pop multiple to 8-byte alignment.
11319 2009-06-01  Jakub Jelinek  <jakub@redhat.com>
11321         * config/i386/i386.c (queued_cfa_restores): New static variable.
11322         (ix86_add_cfa_restore_note, ix86_add_queued_cfa_restore_notes): New
11323         functions.
11324         (pro_epilogue_adjust_stack): Call ix86_add_queued_cfa_restore_notes.
11325         (ix86_emit_restore_reg_using_pop): Add RED_OFFSET argument.
11326         Set RTX_FRAME_RELATED_P immediately after adding a REG_CFA_* note.
11327         Call ix86_add_cfa_restore_note instead of adding REG_CFA_OFFSET
11328         note unconditionally.
11329         (ix86_emit_restore_regs_using_mov): Likewise.
11330         (ix86_emit_restore_sse_regs_using_mov): Likewise.
11331         (ix86_emit_restore_regs_using_pop): Add RED_OFFSET argument, pass
11332         it through to ix86_emit_restore_reg_using_pop.
11333         (ix86_emit_leave): Add RED_OFFSET argument.  Call
11334         ix86_add_queued_cfa_restore_notes.  Call ix86_add_cfa_restore_note
11335         instead of adding REG_CFA_OFFSET note unconditionally.
11336         (ix86_expand_epilogue): Compute RED_OFFSET, pass it down to
11337         the above functions.  Call ix86_add_queued_cfa_restore_notes when
11338         needed.
11340         * dwarf2out.c (dwarf2out_cfi_label): Add FORCE argument, if true,
11341         force output of the label even for dwarf2out_do_cfi_asm.
11342         (add_fde_cfi): If -g2 and above and cfi might change CFA,
11343         force creation of CFI label and chain DW_CFA_set_loc jumping to it
11344         for convert_cfa_to_fb_loc_list.  Adjust other dwarf2out_cfi_label
11345         caller.
11346         (dwarf2out_stack_adjust, dwarf2out_frame_debug,
11347         dwarf2out_begin_epilogue, dwarf2out_frame_debug_restore_state): Adjust
11348         dwarf2out_cfi_label callers.
11349         * tree.h (dwarf2out_cfi_label): Adjust prototype.
11350         * config/arm/arm.c (thumb_pushpop, thumb1_output_function_prologue):
11351         Adjust dwarf2out_cfi_label callers.
11352         * config/vax/vax.c (vax_output_function_prologue): Likewise.
11354         * config/i386/i386.h (struct machine_cfa_state,
11355         struct machine_function): Guard with ifndef USED_FOR_TARGET
11356         instead of not IN_LIBGCC2 and not in IN_TARGET_LIBS.
11358         PR other/40024
11359         * emutls.c (__emutls_get_address): Change arr->size to mean number
11360         of allocated arr->data entries instead of # of slots + 1.
11362         PR middle-end/40316
11363         * recog.c (peep2_reinit_state): New function.
11364         (peephole2_init_state): Use it at the end of a basic block and also
11365         when seeing a RTX_FRAME_RELATED_P insn.
11367 2009-06-01  Steve Ellcey  <sje@cup.hp.com>
11369         * ia64.md (floatdirf2, fix_truncrfdi, floatunsdirf,
11370         fixuns_truncrfdi2): New.
11371         (fix_truncxfdi2_alts, fixuns_truncxfdi2_alts,
11372         *nmaddsf4_alts, *nmadddf4_alts, *nmadddf4_truncsf_alts,
11373         *mulxf3_alts, *mulxf3_truncsf_alts, *mulxf3_truncdf_alts,
11374         *maddxf4_alts, *maddxf4_alts_truncsf, *maddxf4_alts_truncdf,
11375         *nmaddxf4_alts, *nmaddxf4_truncsf_alts, *nmaddxf4_truncdf_alts,
11376         *recip_approx): Remove.
11377         (divsi3 modsi3, udivsi3, umodsi3, divsi3_internal, divdi3,
11378         moddi3, udivdi3, umoddi3, divdi3_internal_lat, divdi3_internal_thr,
11379         divsf3, sqrtsf2, divdf3, sqrtdf2, divxf3, sqrtxf2): Modify and
11380         move to div.md.
11381         * div.md (fix_truncrfdi2_alts, fixuns_truncrfdi2_alt,
11382         setf_exp_rf): New.
11384 2009-06-01  Ian Lance Taylor  <iant@google.com>
11386         * attribs.c (register_attribute): Use CONST_CAST.
11387         * collect2.c (main): Use CONST_CAST2.
11388         (scan_prog_file): Likewise.
11389         * gcc.c (process_command, main): Likewise.
11390         * toplev.c (toplev_main): Likewise.
11392         * c-typeck.c (handle_warn_cast_qual): New static function,
11393         partially broken out of build_c_cast.
11394         (build_c_cast): Call handle_warn_cast_qual.
11395         * doc/invoke.texi (Warning Options): Document new effect of
11396         -Wcast-qual.
11398 2009-06-01  Aldy Hernandez  <aldyh@redhat.com>
11400         * diagnostic.c (diagnostic_build_prefix): Always print columns.
11401         (diagnostic_report_current_module): Print columns.
11402         * common.opt (flag_show_column): Enable by default.
11404 2009-06-01  Luis Machado  <luisgpm@br.ibm.com>
11406         * alias.c (find_base_term): Check for NULL term before returning.
11408 2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
11410         Revert due to PR40320:
11411         2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
11412         * calls.c (emit_library_call_value_1): Don't force_operand for move
11413         and push insns.
11415 2009-06-01  Olivier Hainque  <hainque@adacore.com>
11416             Eric Botcazou  <ebotcazou@adacore.com>
11418         * tree.h (CONSTRUCTOR_BITFIELD_P): True if NODE, a FIELD_DECL, is
11419         to be processed as a bitfield for constructor output purposes.
11420         * output.h (initializer_constant_valid_for_bitfield_p): Declare
11421         new function.
11422         * varasm.c (oc_local_state): New type, output_constructor
11423         local state to support communication with helpers.
11424         (oc_outer_state): New type, output_constructor outer state of
11425         relevance in recursive calls.
11426         (output_constructor_array_range): New output_constructor helper,
11427         extracted code for an array range element.
11428         (output_constructor_regular_field): New output_constructor helper,
11429         extracted code for an element that is not a bitfield.
11430         (output_constructor_bitfield): New output_constructor helper,
11431         extracted code for a bitfield element.  Accept an OUTER state
11432         argument for recursive processing.  Recurse on record or array
11433         CONSTRUCTOR values, possibly past noop conversions.
11434         (initializer_constant_valid_for_bitfield_p): New predicate.  Whether
11435         VALUE is a valid constant-valued expression for use in a static
11436         bit-field initializer.
11437         (output_constructor): Rework to use helpers.  Accept and honor an
11438         OUTER state argument for recursive calls.  Return total size.  Be
11439         prepared for nested constructors initializing bitfields.
11440         (output_constant): Feed OUTER in calls to output_constructor.
11442 2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
11444         * calls.c (emit_library_call_value_1): Don't force_operand for move
11445         and push insns.
11447 2009-06-01  Nick Clifton  <nickc@redhat.com>
11449         * doc/invoke.texi (IA-64 Options): Fix typo.
11451 2009-06-01  Ira Rosen  <irar@il.ibm.com>
11453         PR tree-optimization/39129
11454         * tree-vect-loop-manip.c (conservative_cost_threshold): Change the
11455         printed message.
11456         (vect_do_peeling_for_loop_bound): Use
11457         LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT and
11458         LOOP_REQUIRES_VERSIONING_FOR_ALIAS macros.
11459         (vect_loop_versioning): Likewise.
11460         (vect_create_cond_for_alias_checks): Fix indentation.
11461         * tree-vectorizer.h (struct _loop_vec_info): Fix indentation of the
11462         macros.
11463         (LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT): Define.
11464         (LOOP_REQUIRES_VERSIONING_FOR_ALIAS): Likewise.
11465         * tree-vect-loop.c (vect_analyze_loop_form): Change "too many BBs" to
11466         "control flow in loop".
11467         (vect_estimate_min_profitable_iters): Use
11468         LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT and
11469         LOOP_REQUIRES_VERSIONING_FOR_ALIAS macros.
11470         * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
11471         (vect_create_data_ref_ptr): Don't mention array dimension in printing.
11472         * tree-vect-stmts.c (vectorizable_store): Replace the check that the
11473         statement belongs to a group of strided accesses with the exact code
11474         check.
11475         (vectorizable_load): Likewise.
11476         * tree-vect-slp.c (vect_analyze_slp_instance): Spell out "basic block".
11477         (vect_slp_analyze_bb, vect_slp_transform_bb): Likewise.
11479 2009-06-01  Gerald Pfeifer  <gerald@pfeifer.com>
11481         * config/freebsd-stdint.h: New file.
11482         * config.gcc (*-*-freebsd): Set use_gcc_stdint=wrap.
11483         Add freebsd-stdint.h to tm_file.
11485 2009-06-01  Richard Earnshaw  <rearnsha@arm.com>
11487         * arm/thumb2.md (thumb2_zero_extendhidi2): New insn and split.
11488         (thumb2_extendhidi2): Likewise.
11490 2009-05-31  Ian Lance Taylor  <iant@google.com>
11492         * regstat.c (regstat_n_sets_and_refs): Remove duplicate definition.
11494 2009-05-31  Ian Lance Taylor  <iant@google.com>
11496         * Makefile.in (except.o): Depend upon gt-except.h, not gt-$(EXCEPT_H).
11497         (ipa-cp.o): Depend upon $(FIBHEAP_H) and $(PARAMS_H).
11498         (ipa-reference.o): Depend upon gt-ipa-reference.h.
11500 2009-05-31  Jason Merrill  <jason@redhat.com>
11502         * tree-pretty-print.c (print_call_name): Take the callee, not the
11503         call itself.  Make non-static.  Use dump_function_name for functions.
11504         (dump_generic_node): Adjust.
11505         * diagnostic.h: Declare print_call_name.
11506         * gimple-pretty-print.c (dump_gimple_call): Use it.
11508 2009-05-31  Kaz Kojima  <kkojima@gcc.gnu.org>
11510         * config/sh/sh.md (ashldi3_std): New define_expand.
11511         (ashldi3): Use it.
11513 2009-05-31  Kaz Kojima  <kkojima@gcc.gnu.org>
11515         PR target/40313
11516         * config/sh/sh.c: Include debug.h.
11517         (sh_expand_epilogue): Emit a blockage insn before the frame
11518         pointer adjustment also when dwarf2out_do_frame returns true.
11520 2009-05-31  Richard Earnshaw  <rearnsha@arm.com>
11522         * arm/thumb2.md (thumb2_extendsidi2): Add a split sub-pattern.
11523         (thumb2_extendqidi2): New pattern.
11525 2009-05-31  Ira Rosen  <irar@il.ibm.com>
11527         * tree-vect-loop-manip.c (slpeel_update_phi_nodes_for_guard1): Don't
11528         mark phis for renaming.
11529         * tree-vectorizer.c (vect_memsyms_to_rename): Remove.
11530         (vectorize_loops): Don't allocate and free vect_memsyms_to_rename.
11531         Call mark_sym_for_renaming.
11532         * tree-vectorizer.h (vect_memsyms_to_rename): Remove.
11533         * tree-vect-loop.c (vect_transform_loop): Remove
11534         vect_memsyms_to_rename initialization and a call to
11535         mark_set_for_renaming.
11537 2009-05-31  Jakub Jelinek  <jakub@redhat.com>
11539         PR middle-end/40304
11540         * config/i386/i386.c (pro_epilogue_adjust_stack): Mark insns
11541         frame related even if !set_cfa && style < 0.
11543 2009-05-30  Kai Tietz  <kai.tietz@onevision.com>
11545         * config/i386/mingw-tls.c: New file.
11546         * config/i386/t-gthr-win32 (LIB2FUNCS_EXTRA): Add mingw-tls.c file.
11547         * gthr-win32.h (MINGW32_SUPPORTS_MT_EH): Define it for targets
11548         defining _WIN32 but not __CYGWIN__.
11550 2009-05-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11552         * configure.ac: Add MPC support.
11554         * config.in, configure: Regenerate.
11556 2009-05-29  Richard Henderson  <rth@redhat.com>
11558         * cfgcleanup.c (try_crossjump_to_edge): Only skip past
11559         NOTE_INSN_BASIC_BLOCK.
11560         * cfglayout.c (duplicate_insn_chain): Copy epilogue insn marks.
11561         Duplicate NOTE_INSN_EPILOGUE_BEG notes.
11562         * cfgrtl.c (can_delete_note_p): Allow NOTE_INSN_EPILOGUE_BEG
11563         to be deleted.
11564         * dwarf2out.c (struct cfa_loc): Change indirect field to bitfield,
11565         add in_use field.
11566         (add_cfi): Disable check redefining cfa away from drap.
11567         (lookup_cfa_1): Add remember argument; handle remember/restore.
11568         (lookup_cfa): Pass remember argument.
11569         (cfa_remember): New.
11570         (compute_barrier_args_size_1): Remove sibcall check.
11571         (dwarf2out_frame_debug_def_cfa): New.
11572         (dwarf2out_frame_debug_adjust_cfa): New.
11573         (dwarf2out_frame_debug_cfa_offset): New.
11574         (dwarf2out_frame_debug_cfa_register): New.
11575         (dwarf2out_frame_debug_cfa_restore): New.
11576         (dwarf2out_frame_debug): Handle REG_CFA_* notes.
11577         (dwarf2out_begin_epilogue): New.
11578         (dwarf2out_frame_debug_restore_state): New.
11579         (dw_cfi_oprnd1_desc): Handle DW_CFA_remember_state,
11580         DW_CFA_restore_state.
11581         (output_cfi_directive): Likewise.
11582         (convert_cfa_to_fb_loc_list): Likewise.
11583         (dw_cfi_oprnd1_desc): Handle DW_CFA_restore.
11584         * dwarf2out.h: Update.
11585         * emit-rtl.c (try_split): Don't split RTX_FRAME_RELATED_P.
11586         (copy_insn_1): Early out for null.
11587         * final.c (final_scan_insn): Call dwarf2out_begin_epilogue
11588         and dwarf2out_frame_debug_restore_state.
11589         * function.c (prologue, epilogue, sibcall_epilogue): Remove.
11590         (prologue_insn_hash, epilogue_insn_hash): New.
11591         (free_after_compilation): Adjust freeing accordingly.
11592         (record_insns): Create hash table if needed; push insns into
11593         hash instead of array.
11594         (maybe_copy_epilogue_insn): New.
11595         (contains): Search hash table instead of array.
11596         (sibcall_epilogue_contains): Remove.
11597         (thread_prologue_and_epilogue_insns): Split eh_return insns
11598         and mark them as epilogues.
11599         (reposition_prologue_and_epilogue_notes): Rewrite epilogue
11600         scanning in terms of basic blocks.
11601         * insn-notes.def (CFA_RESTORE_STATE): New.
11602         * jump.c (returnjump_p_1): Accept EH_RETURN.
11603         (eh_returnjump_p_1, eh_returnjump_p): New.
11604         * reg-notes.def (CFA_DEF_CFA, CFA_ADJUST_CFA, CFA_OFFSET,
11605         CFA_REGISTER, CFA_RESTORE): New.
11606         * rtl.def (EH_RETURN): New.
11607         * rtl.h (eh_returnjump_p, maybe_copy_epilogue_insn): Declare.
11609         * config/bfin/bfin.md (UNSPEC_VOLATILE_EH_RETURN): Remove.
11610         (eh_return_internal): Use eh_return rtx; split w/ epilogue.
11612         * config/i386/i386.c (gen_push): Update cfa state.
11613         (pro_epilogue_adjust_stack): Add set_cfa argument.  When true,
11614         add a CFA_ADJUST_CFA note.
11615         (ix86_dwarf_handle_frame_unspec): Remove.
11616         (ix86_expand_prologue): Update cfa state.
11617         (ix86_emit_restore_reg_using_pop): New.
11618         (ix86_emit_restore_regs_using_pop): New.
11619         (ix86_emit_leave): New.
11620         (ix86_emit_restore_regs_using_mov): Add CFA_RESTORE notes.
11621         (ix86_expand_epilogue): Add notes for unwinding the epilogue.
11622         * config/i386/i386.h (struct machine_cfa_state): New.
11623         (ix86_cfa_state): New.
11624         * config/i386/i386.md (UNSPEC_EH_RETURN): Remove.
11625         (eh_return_internal): Merge from eh_return_<mode>,
11626         use eh_return rtx, split w/ epilogue.
11628 2009-05-29  Ian Lance Taylor  <iant@google.com>
11630         * builtins.c (validate_gimple_arglist): Don't use va_arg with
11631         enum type.
11632         * calls.c (emit_library_call_value_1): Likewise.
11634         * c-typeck.c (c_build_va_arg): New function.
11635         * c-tree.h (c_build_va_arg): Declare.
11636         * c-parser.c (c_parser_postfix_expression): Call c_build_va_arg
11637         instead of build_va_arg.
11639 2009-05-29  Eric Botcazou  <ebotcazou@adacore.com>
11641         * tree-ssa-loop-ivopts.c (strip_offset_1) <MULT_EXPR>: New case.
11642         (force_expr_to_var_cost) <NEGATE_EXPR>: Likewise.
11643         (ptr_difference_cost): Use affine combinations to compute it.
11644         (difference_cost): Likewise.
11645         (get_computation_cost_at): Compute more accurate cost for addresses
11646         if the ratio is a multiplier allowed in addresses.
11647         For non-addresses, consider that an additional offset or symbol is
11648         added only once.
11650 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
11652         * config/i386/i386.c (ix86_decompose_address): Avoid useless
11653         0 displacement.  Add 0 displacement if base is %[er]bp or %r13.
11655         * config/i386/i386.md (prefix_data16, prefix_rep): Set to 0 for
11656         TYPE_SSE{MULADD,4ARG,IADD1,CVT1} by default.
11657         (prefix_rex): For UNIT_MMX don't imply the prefix by default
11658         if MODE_DI.
11659         (prefix_extra): Default to 2 for TYPE_SSE{MULADD,4ARG} and
11660         to 1 for TYPE_SSE{IADD1,CVT1}.
11661         (prefix_vex_imm8): Removed.
11662         (length_vex): Only pass 1 as second argument to
11663         ix86_attr_length_vex_default if prefix_extra is 0.
11664         (modrm): For TYPE_INCDEC only set to 0 if not TARGET_64BIT.
11665         (length): For prefix vex computation use length_immediate
11666         attribute instead of prefix_vex_imm8.
11667         (cmpqi_ext_3_insn, cmpqi_ext_3_insn_rex64,
11668         addqi_ext_1, addqi_ext_1_rex64, *testqi_ext_0, andqi_ext_0,
11669         *andqi_ext_0_cc, *iorqi_ext_0, *xorqi_ext_0, *xorqi_cc_ext_1,
11670         *xorqi_cc_ext_1_rex64): Override modrm attribute to 1.
11671         (extendsidi2_rex64, extendhidi2, extendqidi2, extendhisi2,
11672         *extendhisi2_zext, extendqihi2, extendqisi2, *extendqisi2_zext): Emit
11673         a space in between the operands.
11674         (*anddi_1_rex64, *andsi_1): Likewise.  Override prefix_rex to 1
11675         if one operand is 0xff and the other one si, di, bp or sp.
11676         (*andhi_1): Override prefix_rex to 1 if one operand is 0xff and the
11677         other one si, di, bp or sp.
11678         (*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Add mode attribute.
11679         (*ffssi_1, *ffsdi_1, ctzsi2, ctzdi2): Add
11680         type and mode attributes.
11681         (*bsr, *bsr_rex64, *bsrhi): Add type attribute.
11682         (*cmpfp_i_mixed, *cmpfp_iu_mixed): For TYPE_SSECOMI, clear
11683         prefix_rep attribute and set prefix_data16 attribute iff MODE_DF.
11684         (*cmpfp_i_sse, *cmpfp_iu_sse): Clear prefix_rep attribute and set
11685         prefix_data16 attribute iff MODE_DF.
11686         (*movsi_1): For TYPE_SSEMOV MODE_SI set prefix_data16 attribute.
11687         (fix_trunc<mode>di_sse): Set prefix_rex attribute.
11688         (*adddi_4_rex64, *addsi_4): Use const128_operand instead of
11689         constm128_operand in length_immediate computation.
11690         (*addhi_4): Likewise.  Fix mode attribute to MODE_HI.
11691         (anddi_1_rex64): Use movzbl/movzwl instead of movzbq/movzwq.
11692         (*avx_ashlti3, sse2_ashlti3, *avx_lshrti3, sse2_lshrti3): Set
11693         length_immediate attribute to 1.
11694         (x86_fnstsw_1, x86_fnstcw_1, x86_fldcw_1): Fix length attribute.
11695         (*movdi_1_rex64): Override prefix_rex or prefix_data16 attributes
11696         for certain alternatives.
11697         (*movdf_nointeger, *movdf_integer_rex64, *movdf_integer): Override
11698         prefix_data16 attribute if MODE_V1DF.
11699         (*avx_setcc<mode>, *sse_setcc<mode>, *sse5_setcc<mode>): Set
11700         length_immediate to 1.
11701         (set_got_rex64, set_rip_rex64): Remove length attribute, set
11702         length_address to 4, set mode attribute to MODE_DI.
11703         (set_got_offset_rex64): Likewise.  Set length_immediate to 0.
11704         (fxam<mode>2_i387): Set length attribute to 4.
11705         (*prefetch_sse, *prefetch_sse_rex, *prefetch_3dnow,
11706         *prefetch_3dnow_rex): Override length_address attribute.
11707         (sse4_2_crc32<mode>): Override prefix_data16 and prefix_rex
11708         attributes.
11709         * config/i386/predicates.md (ext_QIreg_nomode_operand): New predicate.
11710         (constm128_operand): Removed.
11711         * config/i386/i386.c (memory_address_length): For
11712         disp && !index && !base in 64-bit mode account for SIB byte if
11713         print_operand_address can't optimize disp32 into disp32(%rip)
11714         and UNSPEC doesn't imply (%rip) addressing.  Add 1 to length
11715         for fs: or gs: segment.
11716         (ix86_attr_length_immediate_default): When checking if shortform
11717         is possible, truncate immediate to the length of the non-shortened
11718         immediate.
11719         (ix86_attr_length_address_default): Ignore MEM_P operands
11720         with X constraint.
11721         (ix86_attr_length_vex_default): Only check for DImode on
11722         GENERAL_REG_P operands.
11723         * config/i386/sse.md (<sse>_comi, <sse>_ucomi): Clear
11724         prefix_rep attribute, set prefix_data16 attribute iff MODE_DF.
11725         (sse_cvttps2pi): Clear prefix_rep attribute.
11726         (sse2_cvttps2dq, *sse2_cvtpd2dq, sse2_cvtps2pd): Clear prefix_data16
11727         attribute.
11728         (*sse2_cvttpd2dq): Don't clear prefix_rep attribute.
11729         (*avx_ashr<mode>3, ashr<mode>3, *avx_lshr<mode>3, lshr<mode>3,
11730         *avx_ashl<mode>3, ashl<mode>3): Set length_immediate attribute to 1
11731         iff operand 2 is const_int_operand.
11732         (*vec_dupv4si, avx_shufpd256_1, *avx_shufpd_<mode>,
11733         sse2_shufpd_<mode>): Set length_immediate attribute to 1.
11734         (sse2_pshufd_1): Likewise.  Set prefix attribute to maybe_vex
11735         instead of vex.
11736         (sse2_pshuflw_1, sse2_pshufhw_1): Set length_immediate to 1 and clear
11737         prefix_data16.
11738         (sse2_unpckhpd, sse2_unpcklpd, sse2_storehpd, *vec_concatv2df): Set
11739         prefix_data16 attribute for movlpd and movhpd instructions.
11740         (sse2_loadhpd, sse2_loadlpd, sse2_movsd): Likewise.  Override
11741         length_immediate for shufpd instruction.
11742         (sse2_movntsi, sse3_lddqu): Clear prefix_data16 attribute.
11743         (avx_cmpp<avxmodesuffixf2c><mode>3,
11744         avx_cmps<ssemodesuffixf2c><mode>3, *avx_maskcmp<mode>3,
11745         <sse>_maskcmp<mode>3, <sse>_vmmaskcmp<mode>3,
11746         avx_shufps256_1, *avx_shufps_<mode>, sse_shufps_<mode>,
11747         *vec_dupv4sf_avx, *vec_dupv4sf): Set length_immediate attribute to 1.
11748         (*avx_cvtsi2ssq, *avx_cvtsi2sdq): Set length_vex attribute to 4.
11749         (sse_cvtsi2ssq, sse2_cvtsi2sdq): Set prefix_rex attribute to 1.
11750         (sse2_cvtpi2pd, sse_loadlps, sse2_storelpd): Override
11751         prefix_data16 attribute for the first alternative to 1.
11752         (*avx_loadlps): Override length_immediate for the first alternative.
11753         (*vec_concatv2sf_avx): Override length_immediate and prefix_extra
11754         attributes for second alternative.
11755         (*vec_concatv2sf_sse4_1): Override length_immediate and
11756         prefix_data16 attributes for second alternative.
11757         (*vec_setv4sf_avx, *avx_insertps, vec_extract_lo_<mode>,
11758         vec_extract_hi_<mode>, vec_extract_lo_v16hi,
11759         vec_extract_hi_v16hi, vec_extract_lo_v32qi,
11760         vec_extract_hi_v32qi): Set prefix_extra and length_immediate to 1.
11761         (*vec_setv4sf_sse4_1, sse4_1_insertps, *sse4_1_extractps): Set
11762         prefix_data16 and length_immediate to 1.
11763         (*avx_mulv2siv2di3, *avx_mulv4si3, sse4_2_gtv2di3): Set prefix_extra
11764         to 1.
11765         (*avx_<code><mode>3, *avx_eq<mode>3, *avx_gt<mode>3): Set
11766         prefix_extra attribute for variants that don't have 0f prefix alone.
11767         (*avx_pinsr<ssevecsize>): Likewise.  Set length_immediate to 1.
11768         (*sse4_1_pinsrb, *sse2_pinsrw, *sse4_1_pinsrd, *sse4_1_pextrb,
11769         *sse4_1_pextrb_memory, *sse2_pextrw, *sse4_1_pextrw_memory,
11770         *sse4_1_pextrd): Set length_immediate to 1.
11771         (*sse4_1_pinsrd): Likewise.  Set prefix_extra to 1.
11772         (*sse4_1_pinsrq, *sse4_1_pextrq): Set prefix_rex and length_immediate
11773         to 1.
11774         (*vec_extractv2di_1_rex64_avx, *vec_extractv2di_1_rex64,
11775         *vec_extractv2di_1_avx, *vec_extractv2di_1_sse2): Override
11776         length_immediate to 1 for second alternative.
11777         (*vec_concatv2si_avx, *vec_concatv2di_rex64_avx): Override
11778         prefix_extra and length_immediate attributes for the first
11779         alternative.
11780         (vec_concatv2si_sse4_1): Override length_immediate to 1 for the
11781         first alternative.
11782         (*vec_concatv2di_rex64_sse4_1): Likewise.  Override prefix_rex
11783         to 1 for the first and third alternative.
11784         (*vec_concatv2di_rex64_sse): Override prefix_rex to 1 for the second
11785         alternative.
11786         (*sse2_maskmovdqu, *sse2_maskmovdqu_rex64): Override length_vex
11787         attribute.
11788         (*sse_sfence, sse2_mfence, sse2_lfence): Override length_address
11789         attribute to 0.
11790         (*avx_phaddwv8hi3, *avx_phadddv4si3, *avx_phaddswv8hi3,
11791         *avx_phsubwv8hi3, *avx_phsubdv4si3, *avx_phsubswv8hi,
11792         *avx_pmaddubsw128, *avx_pmulhrswv8hi3, *avx_pshufbv16qi3,
11793         *avx_psign<mode>3): Set prefix_extra attribute to 1.
11794         (ssse3_phaddwv4hi3, ssse3_phadddv2si3, ssse3_phaddswv4hi3,
11795         ssse3_phsubwv4hi3, ssse3_phsubdv2si3, ssse3_phsubswv4hi3,
11796         ssse3_pmaddubsw, *ssse3_pmulhrswv4hi, ssse3_pshufbv8qi3,
11797         ssse3_psign<mode>3): Override prefix_rex attribute.
11798         (*avx_palignrti): Override prefix_extra and length_immediate to 1.
11799         (ssse3_palignrti): Override length_immediate to 1.
11800         (ssse3_palignrdi): Override length_immediate to 1, override
11801         prefix_rex attribute.
11802         (abs<mode>2): Override prefix_rep to 0, override prefix_rex attribute.
11803         (sse4a_extrqi): Override length_immediate to 2.
11804         (sse4a_insertqi): Likewise.  Override prefix_data16 to 0.
11805         (sse4a_insertq): Override prefix_data16 to 0.
11806         (avx_blendp<avxmodesuffixf2c><avxmodesuffix>,
11807         avx_blendvp<avxmodesuffixf2c><avxmodesuffix>,
11808         avx_dpp<avxmodesuffixf2c><avxmodesuffix>, *avx_mpsadbw,
11809         *avx_pblendvb, *avx_pblendw, avx_roundp<avxmodesuffixf2c>256,
11810         avx_rounds<avxmodesuffixf2c>256): Override prefix_extra
11811         and length_immediate to 1.
11812         (sse4_1_blendp<ssemodesuffixf2c>, sse4_1_dpp<ssemodesuffixf2c>,
11813         sse4_2_pcmpestr, sse4_2_pcmpestri, sse4_2_pcmpestrm,
11814         sse4_2_pcmpestr_cconly, sse4_2_pcmpistr, sse4_2_pcmpistri,
11815         sse4_2_pcmpistrm, sse4_2_pcmpistr_cconly): Override prefix_data16
11816         and length_immediate to 1.
11817         (sse4_1_blendvp<ssemodesuffixf2c>): Override prefix_data16 to 1.
11818         (sse4_1_mpsadbw, sse4_1_pblendw): Override length_immediate to 1.
11819         (*avx_packusdw, avx_vtestp<avxmodesuffixf2c><avxmodesuffix>,
11820         avx_ptest256): Override prefix_extra to 1.
11821         (sse4_1_roundp<ssemodesuffixf2c>, sse4_1_rounds<ssemodesuffixf2c>):
11822         Override prefix_data16 and length_immediate to 1.
11823         (sse5_pperm_zero_v16qi_v8hi, sse5_pperm_sign_v16qi_v8hi,
11824         sse5_pperm_zero_v8hi_v4si, sse5_pperm_sign_v8hi_v4si,
11825         sse5_pperm_zero_v4si_v2di, sse5_pperm_sign_v4si_v2di,
11826         sse5_vrotl<mode>3, sse5_ashl<mode>3, sse5_lshl<mode>3): Override
11827         prefix_data16 to 0 and prefix_extra to 2.
11828         (sse5_rotl<mode>3, sse5_rotr<mode>3): Override length_immediate to 1.
11829         (sse5_frcz<mode>2, sse5_vmfrcz<mode>2): Don't override prefix_extra
11830         attribute.
11831         (*sse5_vmmaskcmp<mode>3, sse5_com_tf<mode>3,
11832         sse5_maskcmp<mode>3, sse5_maskcmp<mode>3, sse5_maskcmp_uns<mode>3):
11833         Override prefix_data16 and prefix_rep to 0, length_immediate to 1
11834         and prefix_extra to 2.
11835         (sse5_maskcmp_uns2<mode>3, sse5_pcom_tf<mode>3): Override
11836         prefix_data16 to 0, length_immediate to 1 and prefix_extra to 2.
11837         (*avx_aesenc, *avx_aesenclast, *avx_aesdec, *avx_aesdeclast,
11838         avx_vpermilvar<mode>3,
11839         avx_vbroadcasts<avxmodesuffixf2c><avxmodesuffix>,
11840         avx_vbroadcastss256, avx_vbroadcastf128_p<avxmodesuffixf2c>256,
11841         avx_maskloadp<avxmodesuffixf2c><avxmodesuffix>,
11842         avx_maskstorep<avxmodesuffixf2c><avxmodesuffix>):
11843         Override prefix_extra to 1.
11844         (aeskeygenassist, pclmulqdq): Override length_immediate to 1.
11845         (*vpclmulqdq, avx_vpermil<mode>, avx_vperm2f128<mode>3,
11846         vec_set_lo_<mode>, vec_set_hi_<mode>, vec_set_lo_v16hi,
11847         vec_set_hi_v16hi, vec_set_lo_v32qi, vec_set_hi_v32qi): Override
11848         prefix_extra and length_immediate to 1.
11849         (*avx_vzeroall, avx_vzeroupper, avx_vzeroupper_rex64): Override
11850         modrm to 0.
11851         (*vec_concat<mode>_avx): Override prefix_extra and length_immediate
11852         to 1 for the first alternative.
11853         * config/i386/mmx.md (*mov<mode>_internal_rex64): Override
11854         prefix_rep, prefix_data16 and/or prefix_rex attributes in certain
11855         cases.
11856         (*mov<mode>_internal_avx, *movv2sf_internal_rex64,
11857         *movv2sf_internal_avx, *movv2sf_internal): Override
11858         prefix_rep attribute for certain alternatives.
11859         (*mov<mode>_internal): Override prefix_rep or prefix_data16
11860         attributes for certain alternatives.
11861         (*movv2sf_internal_rex64_avx): Override prefix_rep and length_vex
11862         attributes for certain alternatives.
11863         (*mmx_addv2sf3, *mmx_subv2sf3, *mmx_mulv2sf3,
11864         *mmx_<code>v2sf3_finite, *mmx_<code>v2sf3, mmx_rcpv2sf2,
11865         mmx_rcpit1v2sf3, mmx_rcpit2v2sf3, mmx_rsqrtv2sf2, mmx_rsqit1v2sf3,
11866         mmx_haddv2sf3, mmx_hsubv2sf3, mmx_addsubv2sf3,
11867         *mmx_eqv2sf3, mmx_gtv2sf3, mmx_gev2sf3, mmx_pf2id, mmx_pf2iw,
11868         mmx_pi2fw, mmx_floatv2si2, mmx_pswapdv2sf2, *mmx_pmulhrwv4hi3,
11869         mmx_pswapdv2si2): Set prefix_extra attribute to 1.
11870         (mmx_ashr<mode>3, mmx_lshr<mode>3, mmx_ashl<mode>3): Set
11871         length_immediate to 1 if operand 2 is const_int_operand.
11872         (*mmx_pinsrw, mmx_pextrw, mmx_pshufw_1, *vec_dupv4hi,
11873         *vec_extractv2si_1): Set length_immediate attribute to 1.
11874         (*mmx_uavgv8qi3): Override prefix_extra attribute to 1 if
11875         using old 3DNOW insn rather than SSE/3DNOW_A.
11876         (mmx_emms, mmx_femms): Clear modrm attribute.
11878 2009-05-29  Martin Jambor  <mjambor@suse.cz>
11880         * tree-sra.c:  New implementation of SRA.
11882         * params.def (PARAM_SRA_MAX_STRUCTURE_SIZE): Removed.
11883         (PARAM_SRA_MAX_STRUCTURE_COUNT): Removed.
11884         (PARAM_SRA_FIELD_STRUCTURE_RATIO): Removed.
11885         * params.h (SRA_MAX_STRUCTURE_SIZE): Removed.
11886         (SRA_MAX_STRUCTURE_COUNT): Removed.
11887         (SRA_FIELD_STRUCTURE_RATIO): Removed.
11888         * doc/invoke.texi (sra-max-structure-size): Removed.
11889         (sra-field-structure-ratio): Removed.
11891 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
11893         PR middle-end/40291
11894         * builtins.c (expand_builtin_memcmp): Convert len to sizetype
11895         before expansion.
11897 2009-05-29  Andrey Belevantsev  <abel@ispras.ru>
11899         PR rtl-optimization/40101
11900         * sel-sched-ir.c (get_seqno_by_preds): Allow returning negative
11901         seqno.  Adjust comment.
11902         * sel-sched.c (find_seqno_for_bookkeeping): Assert that when
11903         inserting bookkeeping before a jump, the jump is not scheduled.
11904         When no positive seqno found, provide a value.  Add comment.
11906 2009-05-29  Richard Guenther  <rguenther@suse.de>
11908         * tree-ssa-alias.c (nonaliasing_component_refs_p): Remove
11909         short-cutting on the first component.
11911 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
11913         PR middle-end/39958
11914         * omp-low.c (scan_omp_1_op): Call remap_type on TREE_TYPE
11915         for trees other than decls/types.
11917 2009-05-29  Richard Guenther  <rguenther@suse.de>
11919         * tree-ssa-operands.c (get_expr_operands): Do not handle
11920         INDIRECT_REFs in the handled-component case.  Remove
11921         unused get_ref_base_and_extent case.
11922         * tree-dfa.c (get_ref_base_and_extent): Avoid calling
11923         tree_low_cst and host_integerp where possible.
11924         * tree-ssa-structalias.c (equiv_class_label_eq): Check hash
11925         codes for equivalence.
11926         * dce.c (find_call_stack_args): Avoid redundant bitmap queries.
11928 2009-05-29  David Billinghurst <billingd@gcc.gnu.org>
11930         * config.gcc: Add i386/t-fprules-softfp and soft-fp/t-softfp
11931         to tmake_file for i[34567]86-*-cygwin*.
11933 2009-05-29  Jakub Jelinek  <jakub@redhat.com>
11935         PR target/40017
11936         * config/rs6000/rs6000-c.c (_Bool_keyword): New variable.
11937         (altivec_categorize_keyword, init_vector_keywords,
11938         rs6000_cpu_cpp_builtins): Define _Bool as conditional macro
11939         similar to bool.
11941 2009-05-29  Kai Tietz  <kai.tietz@onevision.com>
11943         * tree.c (handle_dll_attribute): Check if node is
11944         of kind FUNCTION_DECL for DECL_DECLARED_INLINE_P check.
11946 2009-05-29  Richard Earnshaw  <rearnsha@arm.com>
11948         * config/arm/thumb2.md (thumb2_zero_extendsidi2): Add a split
11949         component.
11950         (thumb2_zero_extendqidi2): Likewise.
11952 2009-05-28  Kaz Kojima  <kkojima@gcc.gnu.org>
11954         * config/sh/sh.c (sh_expand_t_scc): Use gen_xorsi3_movrt
11955         instead of gen_movrt.
11956         * config/sh/sh.md (movrt): Remove.
11958 2009-05-28  Steve Ellcey  <sje@cup.hp.com>
11960         * doc/invoke.texi (IA-64 Options):
11961         Add -msdata, -mfused-madd, -mno-inline-float-divide,
11962         -mno-inline-int-divide, -mno-inline-sqrt, -msched-spec-ldc,
11963         -msched-spec-control-ldc, -msched-prefer-non-data-spec-insns,
11964         -msched-prefer-non-control-spec-insns,
11965         -msched-stop-bits-after-every-cycle,
11966         -msched-count-spec-in-critical-path,
11967         -msel-sched-dont-check-control-spec, -msched-fp-mem-deps-zero-cost
11968         -msched-max-memory-insns-hard-limit, -msched-max-memory-insns.
11969         Remove -mt, -pthread, -msched-ldc, -mno-sched-control-ldc,
11970         and -msched-spec-verbose.
11972 2009-05-28  Joseph Myers  <joseph@codesourcery.com>
11974         * config/arm/lib1funcs.asm (__clear_cache): Define if L_clear_cache.
11975         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define to give an
11976         error if used.
11977         * config/arm/t-linux-eabi (LIB1ASMFUNCS): Add _clear_cache.
11979 2009-05-28  Richard Guenther  <rguenther@suse.de>
11981         * tree-ssa-alias.c (ao_ref_init): New function.
11982         (ao_ref_base): Likewise.
11983         (ao_ref_base_alias_set): Likewise.
11984         (ao_ref_alias_set): Likewise.
11985         (refs_may_alias_p_1): Change signature.
11986         (refs_may_alias_p): Adjust.
11987         (refs_anti_dependent_p): Likewise.
11988         (refs_output_dependent_p): Likewise.
11989         (call_may_clobber_ref_p_1): Change signature.
11990         (call_may_clobber_ref_p): Adjust.
11991         (stmt_may_clobber_ref_p_1): New function split out from ...
11992         (stmt_may_clobber_ref_p): ... here.
11993         (maybe_skip_until): Adjust signature.
11994         (get_continuation_for_phi): Likewise.
11995         (walk_non_aliased_vuses): Likewise.
11996         * tree-ssa-alias.h (struct ao_ref_s): New structure type.
11997         (ao_ref_init): Declare.
11998         (ao_ref_base): Likewise.
11999         (ao_ref_alias_set): Likewise.
12000         (stmt_may_clobber_ref_p_1): Likewise.
12001         (walk_non_aliased_vuses): Adjust.
12002         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): New function.
12003         (get_ref_from_reference_ops): remove.
12004         (vn_reference_lookup_2): Adjust signature.
12005         (vn_reference_lookup_3): Do not re-build trees.  Handle unions.
12006         (vn_reference_lookup_pieces): Adjust signature, do not re-build trees.
12007         (vn_reference_lookup): Adjust.
12008         (vn_reference_insert): Likewise.
12009         (vn_reference_insert_pieces): Adjust signature.
12010         (visit_reference_op_call): Adjust.
12011         * tree-ssa-pre.c (get_expr_type): Simplify.
12012         (phi_translate_1): Adjust.
12013         (compute_avail): Likewise.
12014         (translate_vuse_through_block): Do not re-build trees.
12015         (value_dies_in_block_x): Likewise.
12016         * tree-ssa-sccvn.h (struct vn_reference_s): Add type and alias-set
12017         fields.
12018         (vn_reference_lookup_pieces): Adjust declaration.
12019         (vn_reference_insert_pieces): Likewise.
12021 2009-05-28  Benjamin Kosnik  <bkoz@redhat.com>
12023         * tree-ssa-copy.c (replace_exp_1): Move op for warning-free use
12024         with checking disabled.
12026 2009-05-28  Dave Korn  <dave.korn.cygwin@gmail.com>
12028         PR target/37216
12030         * configure.ac (HAVE_GAS_ALIGNED_COMM):  Add autoconf test and
12031         macro definition for support of three-operand format aligned
12032         .comm directive in assembler on cygwin/pe/mingw target OS.
12033         * configure:  Regenerate.
12034         * config.h:  Regenerate.
12036         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common):  Use
12037         aligned form of .comm directive if -mpe-aligned-commons is in effect.
12038         * config/i386/cygming.opt (-mpe-aligned-commons):  Add new option.
12040         * doc/invoke.texi (-mpe-aligned-commons):  Document new target option.
12041         * doc/tm.texi (ASM_OUTPUT_COMMON):  Document zero size commons.
12043 2009-05-28  Ira Rosen  <irar@il.ibm.com>
12045         PR tree-optimization/40254
12046         * tree-data-ref.c (dr_analyze_innermost): Take POFFSET into account
12047         in analysis of basic blocks.
12049 2009-05-28  Adam Nemet  <anemet@caviumnetworks.com>
12051         PR middle-end/33699
12052         * target.h (struct gcc_target): Fix indentation.  Add const_anchor.
12053         * target-def.h (TARGET_CONST_ANCHOR): New macro.
12054         (TARGET_INITIALIZER): Use it.
12055         * cse.c (CHEAPER): Move it up to the other macros.
12056         (insert): Rename this ...
12057         (insert_with_costs): ... to this.  Add cost parameters.  Update
12058         function comment.
12059         (insert): New function.  Call insert_with_costs.
12060         (compute_const_anchors, insert_const_anchor, insert_const_anchors,
12061         find_reg_offset_for_const, try_const_anchors): New functions.
12062         (cse_insn): Call try_const_anchors.  Adjust cost of src_related
12063         when using a const-anchor.  Call insert_const_anchors.
12064         * config/mips/mips.c (mips_set_mips16_mode): Set targetm.const_anchor.
12065         * doc/tm.texi (Misc): Document TARGET_CONST_ANCHOR.
12067 2009-05-28  Alexandre Oliva  <aoliva@redhat.com>
12069         * tree-inline.c (remap_decls): Enable nonlocalized variables
12070         when not optimizing.
12072 2009-05-28  Alexandre Oliva  <aoliva@redhat.com>
12074         * tree-ssa-live.c (remove_unused_locals): Skip when not optimizing.
12075         Simplify other tests involving optimize.
12077 2009-05-27  Tom Tromey  <tromey@redhat.com>
12079         * unwind-dw2.c (_Unwind_DebugHook): New function.
12080         (uw_install_context): Call _Unwind_DebugHook.
12082 2009-05-27  Tom Tromey  <tromey@redhat.com>
12084         * system.h (CONST_CAST2): Use C++ const_cast when compiled as C++
12086 2009-05-27  Ian Lance Taylor  <iant@google.com>
12088         * Makefile.in (LINKER, LINKER_FLAGS): Define.
12089         (LINKER_FOR_BUILD, BUILD_LINKERFLAGS): Define.
12090         (ALL_LINKERFLAGS): Define.
12091         (xgcc$(exeext)): Change $(COMPILER) to $(LINKER).
12092         (cpp$(exeext), cc1-dummy$(exeext), cc1$(exeext)): Likewise.
12093         (collect2$(exeext), mips-tfile, mips-tdump): Likewise.
12094         (gcov$(exeext), gcov-dump$(exeext)): Likewise.
12095         (build/gen%$(build_exeext)): Change $(COMPILER_FOR_BUILD) to
12096         $(LINKER_FOR_BUILD).
12097         (build/gcov-iov$(build_exeext)): Likewise.
12099 2009-05-27  Julian Brown  <julian@codesourcery.com>
12101         * gcse.c (target.h): Include.
12102         (can_assign_to_reg_without_clobbers_p): Check that the target allows
12103         copy of argument to a pseudo register.
12105 2009-05-27  Diego Novillo  <dnovillo@google.com>
12107         * tree-ssa-live.c (dump_scope_block): Document arguments.
12108         (dump_scope_blocks): Document.
12109         (debug_scope_blocks): New.
12110         * tree-flow.h (debug_scope_blocks): Declare.
12112 2009-05-21  Denis Chertykov  <denisc@overta.ru>
12114         * doc/contrib.texi (Contributors): Add myself to the list.
12116 2009-05-27  Olivier Hainque  <hainque@adacore.com>
12118         * expr.c (target_align): New function.  Alignment the TARGET of an
12119         assignment may be assume to have.
12120         (highest_pow2_factor_for_target): Use it instead of relying on
12121         immediate tree attributes of TARGET, not necessarily honored when
12122         intermediate bitfields are involved.
12124 2009-05-27  H.J. Lu  <hongjiu.lu@intel.com>
12126         PR target/40266
12127         * config/i386/driver-i386.c (host_detect_local_cpu): Support
12128         AVX, SSE4, AES, PCLMUL and POPCNT.
12130 2009-05-27  Diego Novillo  <dnovillo@google.com>
12132         * tree-pretty-print.c (dump_location): New.
12133         (dump_generic_node): Call it.
12134         Factor code to handle BLOCK nodes ...
12135         (dump_block_node): ... here.
12137 2009-05-27  Rafael Avila de Espindola  <espindola@google.com>
12139         * Makefile.in (GCC_PLUGIN_H): New. Replace all uses of gcc-plugin.h
12140         with it.
12141         * doc/plugins.texi: Document that gcc-plugin.h must be the first to be
12142         included.
12143         * gcc-plugin.h: Include config.h and system.h.
12144         (IN_GCC): Define if not defined.
12146 2009-05-27  Hans-Peter Nilsson  <hp@axis.com>
12148         PR middle-end/40249
12149         * Makefile.in (CRTSTUFF_CFLAGS): Replace -fno-inline-functions
12150         with -fno-inline.
12152 2009-05-27  Shujing Zhao  <pearly.zhao@oracle.com>
12154         * config/m32r/m32r.c: Use REG_P, MEM_P and CONST_INT_P where
12155         applicable.
12156         * config/m32r/m32r.h: Ditto.
12157         * config/m32r/m32r.md: Ditto.
12158         * config/m32r/predicates.md: Ditto.
12160 2009-05-27  Alexandre Oliva  <aoliva@redhat.com>
12162         * cgraph.c (dump_cgraph_node): Honor -fdump-noaddr.
12164 2009-05-26  Basile Starynkevitch  <basile@starynkevitch.net>
12166         * doc/plugins.texi
12167         (Loading plugins): typo.
12168         (Plugin callbacks): Documented PLUGIN_INFO, PLUGIN_GGC_START,
12169         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS.
12170         (Interacting with the GCC Garbage Collector): Added new section.
12171         (Giving information about a plugin): Added new section for
12172         PLUGIN_INFO.
12173         * ggc.h (ggc_register_root_tab): Added declaration.
12174         * gcc-plugin.h (PLUGIN_GGC_START, PLUGIN_GGC_MARKING)
12175         (PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS): Added new events.
12176         (register_callback): Improved comment in declaration.
12177         * ggc-common.c (const_ggc_root_tab_t) Added new typedef for vectors.
12178         (extra_root_vec) Added static variable for dynamic roots registration.
12179         (ggc_register_root_tab) Added new routine.
12180         (ggc_mark_roots) Added iteration inside extra_root_vec, and invoke
12181         PLUGIN_GGC_MARKING event.
12182         * ggc-zone.c: Include plugin.h.
12183         (ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events.
12184         * ggc-page.c: Include plugin.h.
12185         (ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events.
12186         * plugin.c (plugin_event_name): added names of PLUGIN_GGC_START,
12187         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS
12188         (register_callback): check lack of callbacks for
12189         pseudo-events. Added handling of PLUGIN_REGISTER_GGC_ROOTS,
12190         PLUGIN_GGC_START, PLUGIN_GGC_MARKING, PLUGIN_GGC_END.
12191         (invoke_plugin_callbacks): Handle PLUGIN_GGC_START,
12192         PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS.
12193         * Makefile.in (ggc-common.o, ggc-zone.o, ggc-page.o): Added
12194         dependency on plugin.h.
12195         (plugin.o): Added dependency on ggc.h...
12197 2009-05-26  Richard Guenther  <rguenther@suse.de>
12199         PR middle-end/40248
12200         Revert
12201         * expr.c (expand_expr_real_1): Avoid calling do_store_flag
12202         with mismatched comparison modes.
12204         * expr.c (expand_expr_real_1): Expand the operand of a
12205         VIEW_CONVERT_EXPR in its natural mode.
12207 2009-05-26  Ian Lance Taylor  <iant@google.com>
12209         * Makefile.in (COMPILER, COMPILER_FLAGS): Define.
12210         (COMPILER_FOR_BUILD, BUILD_COMPILERFLAGS): Define.
12211         (ALL_COMPILERFLAGS): Define.
12212         (.c.o, xgcc$(exeext), cpp$(exeext)): Use $(COMPILER).
12213         (cc1-dummy$(exeext), cc1$(exeext)): Likewise.
12214         (collect2$(exeext), collect2.o): Likewise.
12215         (c-opts.o, c-cppbuiltin.o, c-pch.o, gcc.o, gccspec.o): Likewise.
12216         (gcc-options.o, version.o, prefix.o, toplev.o): Likewise.
12217         ($(out_object_file), mips-tfile, mips-tdump): Likewise.
12218         (libbackend.o, intl.o, cppdefault.o): Likewise.
12219         (gcov$(exeext), gcov-dump$(exeext)): Likewise.
12220         (build/%.o): Use $(COMPILER_FOR_BUILD).
12221         (build/gen%$(build_exeext)): Likewise.
12222         (build/gcov-iov$(build_exeext)): LIkewise.
12223         * config/t-darwin (darwin.o): Use $(COMPILER).
12224         (darwin-c.o, darwin-f.o, darwin-driver.o): Likewise.
12225         * config/t-sol2 (sol2-c.o): Likewise.
12226         (sol2.o): Likewise.
12227         * config/t-vxworks (vxworks.o): Likewise.
12228         * config/x-darwin (host-darwin.o): Likewise.
12229         * config/x-hpux (host-hpux.o): Likewise.
12230         * config/x-linux (host-linux.o): Likewise.
12231         * config/x-solaris (host-solaris.o): Likewise.
12232         * config/alpha/x-alpha (driver-alpha.o): Likewise.
12233         * config/arm/t-arm (arm-c.o): Likewise.
12234         * config/arm/t-pe (pe.o): Likewise.
12235         * config/arm/t-wince-pe (pe.o): Likewise.
12236         * config/i386/t-cygming (winnt.o): Likewise.
12237         (winnt-cxx.o, winnt-stubs.o, msformat-c.o): Likewise.
12238         * config/i386/t-cygwin (cygwin1.o): Likewise.
12239         (cygwin2.o): Likewise.
12240         * config/i386/t-i386 (i386-c.o): Likewise.
12241         * config/i386/t-interix (winnt.o): Likewise.
12242         * config/i386/t-netware (netware.o): Likewise.
12243         * config/i386/t-nwld (nwld.o): Likewise.
12244         * config/i386/x-darwin (host-i386-darwin.o): Likewise.
12245         * config/i386/x-i386 (driver-i386.o): Likewise.
12246         * config/i386/x-cygwin (host-cygwin.o): Likewise.
12247         * config/i386/x-mingw32 (host-mingw32.o): Likewise.
12248         * config/ia64/t-ia64 (ia64-c.o): Likewise.
12249         * config/m32c/t-m32c (m32c-pragma.o): Likewise.
12250         * config/mips/x-native (driver-native.o): Likewise.
12251         * config/rs6000/t-rs6000 (rs6000-c.o): Likewise.
12252         * config/rs6000/x-darwin (host-ppc-darwin.o): Likewise.
12253         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Likewise.
12254         * config/rs6000/x-rs6000 (driver-rs6000.o): Likewise.
12255         * config/score/t-score-elf (score7.o): Likewise.
12256         (score3.o): Likewise.
12257         * config/sh/t-sh (sh-c.o): Likewise.
12258         * config/sh/t-symbian (sh-c.o): Likewise.
12259         (symbian.o): Likewise.
12260         * config/spu/t-spu-elf (spu-c.o): Likewise.
12261         * config/v850/t-v850 (v850-c.o): Likewise.
12262         * config/v850/t-v850e (v850-c.o): Likewise.
12264 2009-05-26  Richard Guenther  <rguenther@suse.de>
12266         PR tree-optimization/40122
12267         * tree-ssa-ccp.c (ccp_fold): Fold vector CONSTRUCTORs to
12268         VECTOR_CSTs if possible.
12269         (fold_gimple_assign): Likewise.
12271 2009-05-26  Richard Guenther  <rguenther@suse.de>
12273         PR middle-end/40252
12274         * fold-const.c (fold_binary): Use the correct types for building
12275         rotates.
12277 2009-05-26  Richard Guenther  <rguenther@suse.de>
12279         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove
12280         redundant calls to merge_alias_info.
12281         (bump_vector_ptr): Likewise.
12282         * tree-ssa-copy.c (merge_alias_info): Remove.
12283         (replace_exp_1): Remove call to merge_alias_info.
12284         (propagate_tree_value): Likewise.
12285         (fini_copy_prop): Propagate points-to info.
12286         * tree-flow.h (merge_alias_info): Remove.
12288 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
12290         * config/picochip/picochip.C (PARAM_INLINE_CALL_COST): Remove.
12292 2009-05-25  Jan Hubicka  <jh@suse.cz>
12294         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
12295         * cgraph.h (struct inline_summary): New filed self_wize,
12296         size_inlining_benefit, self_time and time_inlining_benefit.
12297         (struct cgraph_global_info): Replace insns by time ans size fields.
12298         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
12299         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
12300         (ipcp_update_callgraph): Do not touch function bodies.
12301         * ipa-inline.c: Include except.h
12302         (MAX_TIME): New constant.
12303         (overall_insns): Remove.
12304         (leaf_node_p): New.
12305         (overall_size, max_benefit): New static variables.
12306         (cgraph_estimate_time_after_inlining): New function.
12307         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
12308         (cgraph_clone_inlined_nodes): Update size.
12309         (cgraph_mark_inline_edge): Update size.
12310         (cgraph_estimate_growth): Use size info.
12311         (cgraph_check_inline_limits): Check size.
12312         (cgraph_default_inline_p): Likewise.
12313         (cgraph_edge_badness): Compute badness based on benefit and size cost.
12314         (cgraph_decide_recursive_inlining): Check size.
12315         (cgraph_decide_inlining_of_small_function): Update size; dump sizes
12316         and times.
12317         (cgraph_decide_inlining): Likewise.
12318         (cgraph_decide_inlining_incrementally): Likewise; honor
12319         PARAM_EARLY_INLINING_INSNS.
12320         (likely_eliminated_by_inlining_p): New predicate.
12321         (estimate_function_body_sizes): New function.
12322         (compute_inline_parameters): Use it.
12323         * except.c (must_not_throw_labels): New function.
12324         * except.h (must_not_throw_labels): Declare.
12325         * tree-inline.c (init_inline_once): Kill inlining_weigths
12326         * tree-ssa-structalias.c: Avoid uninitialized warning.
12327         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
12328         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
12329         (PARAM_INLINE_CALL_COST): Remove.
12330         (PARAM_EARLY_INLINING_INSNS): New.
12332 2009-05-25  Richard Guenther  <rguenther@suse.de>
12334         PR tree-optimization/36327
12335         * tree-ssa-alias.c (walk_non_aliased_vuses): Add second walker
12336         callback for reference translation or lookup at the point of may-defs.
12337         * tree-ssa-alias.h (walk_non_aliased_vuses): Adjust prototype.
12338         * tree-ssa-sccvn.c (get_ref_from_reference_ops): Bail out
12339         for union COMPONENT_REFs.
12340         (vn_reference_lookup_3): New callback.  Lookup from memset
12341         and CONSTRUCTOR assignment, translate through struct copies.
12342         (vn_reference_lookup_pieces): Make sure to not free the
12343         passed operands array.  Adjust walk_non_aliased_vuses call.
12344         (vn_reference_lookup): Adjust walk_non_aliased_vuses call,
12345         make sure we do not leak memory.
12347 2009-05-25  Richard Guenther  <rguenther@suse.de>
12349         * tree-ssa-alias.h (dump_points_to_solution): Declare.
12350         * tree-inline.c (expand_call_inline): Reset the escaped and
12351         callused solutions.
12352         * tree-ssa-structalias.c (pass_build_ealias): New.
12353         * tree-pass.h (pass_build_ealias): Declare.
12354         * passes.c (init_optimization_passes): Add PTA during
12355         early optimizations.
12356         * tree-ssa-alias.c (dump_alias_info): Dump the ESCAPED
12357         and CALLUSED solutions.
12358         (dump_points_to_solution): New function, split out from ...
12359         (dump_points_to_info_for): ... here.
12360         * tree-parloops.c (parallelize_loops): Reset the escaped and
12361         callused solutions.
12363 2009-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
12365         PR bootstrap/40027
12366         * config/i386/i386.c (USE_HIDDEN_LINKONCE): Only define if missing.
12367         * config/i386/sol2.h [!TARGET_GNU_LD] (USE_HIDDEN_LINKONCE): Define.
12369 2009-05-25  Ira Rosen  <irar@il.ibm.com>
12371         PR tree-optimization/40238
12372         * tree-vect-stmts.c (vect_init_vector): Insert initialization
12373         statements after basic block's labels.
12374         * tree-vect-slp.c (vect_slp_transform_bb): Call destroy_bb_vec_info()
12375         to free the allocated memory.
12377 2009-05-24  Kaz Kojima  <kkojima@gcc.gnu.org>
12379         * gcc/config/sh/sh.c (sh_set_return_address): Mark store of
12380         return address with a USE.
12382 2009-05-24  Richard Guenther  <rguenther@suse.de>
12384         PR middle-end/40233
12385         * tree.c (make_vector_type): Build the TYPE_DEBUG_REPRESENTATION_TYPEs
12386         array type from the main variant of the inner type.
12388 2009-05-24  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
12390         * config/vax/vax-protos.h (legitimate_constant_address_p): Change
12391         definition to bool (from int) to un-break build.
12392         (legitimate_constant_p, vax_mode_dependent_address_p): Likewise.
12394 2009-05-24  Paolo Bonzini  <bonzini@gnu.org>
12396         * tree-ssa-operands.h (push_stmt_changes, pop_stmt_changes,
12397         discard_stmt_changes): Delete.
12398         * tree-ssa-operands.c (scb_stack): Delete.
12399         (init_ssa_operands): Do not initialize it.
12400         (fini_ssa_operands): Do not free it.
12401         (push_stmt_changes, pop_stmt_changes, discard_stmt_changes): Delete.
12403         * tree-cfg.c (replace_uses_by): Replace pop_stmt_changes with
12404         update_stmt, remove the others.  Fix comments.
12405         * tree-dfa.c (optimize_stack_restore): Likewise.
12406         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Likewise.
12407         * tree-ssa-loop-ivopts.c (rewrite_use): Likewise.
12408         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
12409         * tree-ssa-ccp.c (optimize_stack_restore, execute_fold_all_builtins):
12410         Likewise.
12411         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
12412         * tree-ssa-dom.c (propagate_rhs_into_lhs): Likewise.
12413         (dom_opt_finalize_block): Likewise, adjusting access to
12414         stmts_to_rescan.
12415         (optimize_stmt): Likewise, adjusting access to stmts_to_rescan.
12416         (stmts_to_rescan): Change item type to gimple.
12417         (tree_ssa_dominator_optimize): Change type of stmts_to_rescan.
12419 2009-05-24  Ira Rosen  <irar@il.ibm.com>
12421         * doc/passes.texi (Tree-SSA passes): Document SLP pass.
12422         * tree-pass.h (pass_slp_vectorize): New pass.
12423         * params.h (SLP_MAX_INSNS_IN_BB): Define.
12424         * timevar.def (TV_TREE_SLP_VECTORIZATION): Define.
12425         * tree-vectorizer.c (timevar.h): Include.
12426         (user_vect_verbosity_level): Declare.
12427         (vect_location): Fix comment.
12428         (vect_set_verbosity_level): Update user_vect_verbosity_level
12429         instead of vect_verbosity_level.
12430         (vect_set_dump_settings): Add an argument. Ignore user defined
12431         verbosity if dump flags require higher level of verbosity. Print to
12432         stderr only for loop vectorization.
12433         (vectorize_loops): Update call to vect_set_dump_settings.
12434         (execute_vect_slp): New function.
12435         (gate_vect_slp): Likewise.
12436         (struct gimple_opt_pass pass_slp_vectorize): New.
12437         * tree-vectorizer.h (struct _bb_vec_info): Define along macros to
12438         access its members.
12439         (vec_info_for_bb): New function.
12440         (struct _stmt_vec_info): Add bb_vinfo and a macro for its access.
12441         (VECTORIZATION_ENABLED): New macro.
12442         (SLP_ENABLED, SLP_DISABLED): Likewise.
12443         (vect_is_simple_use): Add bb_vec_info argument.
12444         (new_stmt_vec_info, vect_analyze_data_ref_dependences,
12445         vect_analyze_data_refs_alignment, vect_verify_datarefs_alignment,
12446         vect_analyze_data_ref_accesses, vect_analyze_data_refs,
12447         vect_schedule_slp, vect_analyze_slp): Likewise.
12448         (vect_analyze_stmt): Add slp_tree argument.
12449         (find_bb_location): Declare.
12450         (vect_slp_analyze_bb, vect_slp_transform_bb): Likewise.
12451         * tree-vect-loop.c (new_loop_vec_info): Adjust function calls.
12452         (vect_analyze_loop_operations, vect_analyze_loop,
12453         get_initial_def_for_induction, vect_create_epilog_for_reduction,
12454         vect_finalize_reduction, vectorizable_reduction,
12455         vectorizable_live_operation, vect_transform_loop): Likewise.
12456         * tree-data-ref.c (dr_analyze_innermost): Update comment,
12457         skip evolution analysis if analyzing a basic block.
12458         (dr_analyze_indices): Likewise.
12459         (initialize_data_dependence_relation): Skip the test whether the
12460         object is invariant for basic blocks.
12461         (compute_all_dependences): Skip dependence analysis for data
12462         references in basic blocks.
12463         (find_data_references_in_stmt): Don't fail in case of invariant
12464         access in basic block.
12465         (find_data_references_in_bb): New function.
12466         (find_data_references_in_loop): Move code to
12467         find_data_references_in_bb and add a call to it.
12468         (compute_data_dependences_for_bb): New function.
12469         * tree-data-ref.h (compute_data_dependences_for_bb): Declare.
12470         * tree-vect-data-refs.c (vect_check_interleaving): Adjust to the case
12471         that STEP is 0.
12472         (vect_analyze_data_ref_dependence): Check for interleaving in case of
12473         unknown dependence in basic block and fail in case of dependence in
12474         basic block.
12475         (vect_analyze_data_ref_dependences): Add bb_vinfo argument, get data
12476         dependence instances from either loop or basic block vectorization
12477         info.
12478         (vect_compute_data_ref_alignment): Check if it is loop vectorization
12479         before calling nested_in_vect_loop_p.
12480         (vect_compute_data_refs_alignment): Add bb_vinfo argument, get data
12481         dependence instances from either loop or basic block vectorization
12482         info.
12483         (vect_verify_datarefs_alignment): Likewise.
12484         (vect_enhance_data_refs_alignment): Adjust function calls.
12485         (vect_analyze_data_refs_alignment): Likewise.
12486         (vect_analyze_group_access): Fix printing. Skip different checks if
12487         DR_STEP is 0. Keep strided stores either in loop or basic block
12488         vectorization data structure. Fix indentation.
12489         (vect_analyze_data_ref_access): Fix comments, allow zero step in
12490         basic blocks.
12491         (vect_analyze_data_ref_accesses): Add bb_vinfo argument, get data
12492         dependence instances from either loop or basic block vectorization
12493         info.
12494         (vect_analyze_data_refs): Update comment. Call
12495         compute_data_dependences_for_bb to analyze basic blocks.
12496         (vect_create_addr_base_for_vector_ref): Check for outer loop only in
12497         case of loop vectorization. In case of basic block vectorization use
12498         data-ref itself as a base.
12499         (vect_create_data_ref_ptr): In case of basic block vectorization:
12500         don't advance the pointer, add new statements before the current
12501         statement.  Adjust function calls.
12502         (vect_supportable_dr_alignment): Support only aligned accesses in
12503         basic block vectorization.
12504         * common.opt (ftree-slp-vectorize): New flag.
12505         * tree-vect-patterns.c (widened_name_p): Adjust function calls.
12506         (vect_pattern_recog_1): Likewise.
12507         * tree-vect-stmts.c (process_use): Likewise.
12508         (vect_init_vector): Add new statements in the beginning of the basic
12509         block in case of basic block SLP.
12510         (vect_get_vec_def_for_operand): Adjust function calls.
12511         (vect_finish_stmt_generation): Likewise.
12512         (vectorizable_call): Add assert that it is loop vectorization, adjust
12513         function calls.
12514         (vectorizable_conversion, vectorizable_assignment): Likewise.
12515         (vectorizable_operation): In case of basic block SLP, take
12516         vectorization factor from statement's type and skip the relevance
12517         check. Adjust function calls.
12518         (vectorizable_type_demotion): Add assert that it is loop
12519         vectorization, adjust function calls.
12520         (vectorizable_type_promotion): Likewise.
12521         (vectorizable_store): Check for outer loop only in case of loop
12522         vectorization. Adjust function calls. For basic blocks, skip the
12523         relevance check and don't advance pointers.
12524         (vectorizable_load): Likewise.
12525         (vectorizable_condition): Add assert that it is loop vectorization,
12526         adjust function calls.
12527         (vect_analyze_stmt): Add argument. In case of basic block SLP, check
12528         that it is not reduction, get vector type, call only supported
12529         functions, skip loop specific parts.
12530         (vect_transform_stmt): Check for outer loop only in case of loop
12531         vectorization.
12532         (new_stmt_vec_info): Add new argument and initialize bb_vinfo.
12533         (vect_is_simple_use): Fix comment, add new argument, fix conditions
12534         for external definition.
12535         * passes.c (pass_slp_vectorize): New pass.
12536         * tree-vect-slp.c (find_bb_location): New function.
12537         (vect_get_and_check_slp_defs): Add argument, adjust function calls,
12538         check for patterns only in loops.
12539         (vect_build_slp_tree): Add argument, adjust function calls, fail in
12540         case of multiple types in basic block SLP.
12541         (vect_mark_slp_stmts_relevant): New function.
12542         (vect_supported_load_permutation_p): Fix comment.
12543         (vect_analyze_slp_instance): Add argument. In case of basic block
12544         SLP, take vectorization factor from statement's type, check that
12545         unrolling factor is 1. Adjust function call. Save SLP instance in
12546         either loop or basic block vectorization structure. Return FALSE,
12547         if SLP failed.
12548         (vect_analyze_slp): Add argument. Get strided stores groups from
12549         either loop or basic block vectorization structure. Return FALSE
12550         if basic block SLP failed.
12551         (new_bb_vec_info): New function.
12552         (destroy_bb_vec_info, vect_slp_analyze_node_operations,
12553         vect_slp_analyze_operations, vect_slp_analyze_bb): Likewise.
12554         (vect_schedule_slp): Add argument. Get SLP instances from either
12555         loop or basic block vectorization structure. Set vectorization factor
12556         to be 1 for basic block SLP.
12557         (vect_slp_transform_bb): New function.
12558         * params.def (PARAM_SLP_MAX_INSNS_IN_BB): Define.
12560 2009-05-23  Mark Mitchell  <mark@codesourcery.com>
12562         * final.c (shorten_branches): Do not align labels for jump tables.
12563         (final_scan_insn): Use JUMP_TABLE_DATA_P.
12565 2009-05-23  Eric Botcazou  <ebotcazou@adacore.com>
12567         * doc/passes.texi: Standardize spelling of RTL, Tree and Tree SSA.
12568         Remove outdated reference to flow.c and fix nits.
12569         * doc/gccint.texi: Tweak RTL description.
12570         * doc/rtl.texi: Likewise.
12572 2009-05-23  Denis Chertykov  <chertykov@gmail.com>
12574         * config/avr/avr.c: Change my email address.
12575         * config/avr/avr.h: Likewise.
12576         * config/avr/avr.md: Likewise.
12577         * config/avr/avr-protos.h: Likewise.
12578         * config/avr/libgcc.S: Likewise.
12580 2009-05-22  Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
12582         * config/spu/spu-protos.h (aligned_mem_p, spu_valid_mov): Remove.
12583         (spu_split_load, spu_split_store): Change return type to int.
12584         (spu_split_convert): Declare.
12585         * config/spu/predicates.md (spu_mem_operand): Remove.
12586         (spu_mov_operand): Update.
12587         (spu_dest_operand, shiftrt_operator, extend_operator): Define.
12588         * config/spu/spu.c (regno_aligned_for_load): Remove.
12589         (reg_aligned_for_addr, spu_expand_load): Define.
12590         (spu_expand_extv): Reimplement and handle MEM.
12591         (spu_expand_insv): Handle MEM.
12592         (spu_sched_reorder): Handle insn's with length 0.
12593         (spu_legitimate_address_p): Reimplement.
12594         (store_with_one_insn_p): Return TRUE for any mode with size
12595         larger than 16 bytes.
12596         (address_needs_split): Define.
12597         (spu_expand_mov): Call spu_split_load and spu_split_store for MEM
12598         operands.
12599         (spu_convert_move): Define.
12600         (spu_split_load): Use spu_expand_load and change all MEM's to TImode.
12601         (spu_split_store): Change all MEM's to TImode.
12602         (spu_init_expanders): Preallocate registers that correspond to
12603         LAST_VIRTUAL_REG+1 and LAST_VIRTUAL_REG+2 and set them with
12604         mark_reg_pointer.
12605         (spu_split_convert): Define.
12606         * config/spu/spu.md (QHSI, QHSDI): New mode iterators.
12607         (_move<mode>, _movdi, _movti): Update predicate and condition.
12608         (load, store): Change to define_split.
12609         (extendqiti2, extendhiti2, extendsiti2, extendditi2): Simplify to
12610         extend<mode>ti2.
12611         (zero_extendqiti2, zero_extendhiti2, <v>lshr<mode>3_imm): Define.
12612         (lshr<mode>3, lshr<mode>3_imm, lshr<mode>3_re): Simplify to one
12613         define_insn_and_split of lshr<mode>3.
12614         (shrqbybi_<mode>, shrqby_<mode>): Simplify to define_expand.
12615         (<v>ashr<mode>3_imm): Define.
12616         (extv, extzv, insv): Allow MEM operands.
12617         (trunc_shr_ti<mode>, trunc_shr_tidi, shl_ext_<mode>ti,
12618         shl_ext_diti, sext_trunc_lshr_tiqisi, zext_trunc_lshr_tiqisi,
12619         sext_trunc_lshr_tihisi, zext_trunc_lshr_tihisi): Define for combine.
12620         (_spu_convert2): Change to define_insn_and_split and remove the
12621         corresponding define_peephole2.
12622         (stack_protect_set, stack_protect_test, stack_protect_test_si):
12623         Change predicates to memory_operand.
12625 2009-05-22  Mark Mitchell  <mark@codesourcery.com>
12627         * config/arm/thumb2.md: Add 16-bit multiply instructions.
12629 2009-05-21  Michael Meissner  <meissner@linux.vnet.ibm.com>
12631         PR tree-optimization/40219
12632         * tree.c (iterative_hash_expr): Make sure the builtin function is
12633         a normal builtin function and not a front end or back end builtin
12634         before indexing into the built_in_decls array.
12636 2009-05-22  Richard Guenther  <rguenther@suse.de>
12638         PR middle-end/38964
12639         * alias.c (write_dependence_p): Do not use TBAA for answering
12640         anti-dependence or output-dependence.
12641         * tree-ssa-structalias.c (set_uids_in_ptset): Remove TBAA pruning code.
12642         (emit_pointer_definition): Remove.
12643         (emit_alias_warning): Likewise.
12644         (find_what_var_points_to): Remove TBAA pruning code.
12645         (find_what_p_points_to): Likewise.  Do not warn about strict-aliasing
12646         violations.
12647         (compute_points_to_sets): Remove code computing the set of
12648         dereferenced pointers.
12649         * tree-data-ref.c (dr_may_alias_p): Properly use the split
12650         oracle for querying anti and output dependencies.
12651         * tree-ssa-alias.c (refs_may_alias_p_1): Add argument specifying
12652         if TBAA may be applied.
12653         (refs_anti_dependent_p): New function.
12654         (refs_output_dependent_p): Likewise.
12655         * tree-ssa-alias.h (refs_anti_dependent_p): Declare.
12656         (refs_output_dependent_p): Likewise.
12657         * doc/tree-ssa.texi (Memory model): New section.
12658         * doc/c-tree.texi (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
12659         * doc/gimple.texi (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
12660         * cfgexpand.c (expand_gimple_basic_block): Do not handle
12661         GIMPLE_CHANGE_DYNAMIC_TYPE or CHANGE_DYNAMIC_TYPE_EXPR.
12662         * expr.c (expand_expr_real_1): Likewise.
12663         * gimple-low.c (lower_stmt): Likewise.
12664         * gimple-pretty-print.c (dump_gimple_stmt): Likewise.
12665         (dump_gimple_cdt): Remove.
12666         * gimple.c (gss_for_code): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
12667         (gimple_size): Likewise.
12668         (walk_gimple_op): Likewise.
12669         (is_gimple_stmt): Likewise.
12670         (walk_stmt_load_store_addr_ops): Likewise.
12671         (gimple_build_cdt): Remove.
12672         * gimple.def (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
12673         * gimple.h (gimple_cdt_new_type): Remove.
12674         (gimple_cdt_new_type_ptr): Likewise.
12675         (gimple_cdt_set_new_type): Likewise.
12676         (gimple_cdt_location): Likewise.
12677         (gimple_cdt_location_ptr): Likewise.
12678         (gimple_cdt_set_location): Likewise.
12679         * gimplify.c (gimplify_expr): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
12680         * tree-cfg.c (remove_useless_stmts_1): Do not handle
12681         GIMPLE_CHANGE_DYNAMIC_TYPE.
12682         (verify_types_in_gimple_stmt): Likewise.
12683         * tree-inline.c (estimate_num_insns): Likewise.
12684         (expand_call_inline): Do not copy DECL_NO_TBAA_P.
12685         (copy_decl_to_var): Likewise.
12686         (copy_result_decl_to_var): Likewise.
12687         * tree-pretty-print.c (dump_generic_node): Do not handle
12688         CHANGE_DYNAMIC_TYPE_EXPR.
12689         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
12690         * tree-ssa-operands.c (get_expr_operands): Likewise.
12691         * tree-ssa-structalias.c (struct variable_info): Remove
12692         no_tbaa_pruning member.
12693         (new_var_info): Do not set it based on DECL_NO_TBAA_P.
12694         (unify_nodes): Do not copy it.
12695         (find_func_aliases): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
12696         (dump_solution_for_var): Do not dump no_tbaa_pruning state.
12697         (set_uids_in_ptset): Do not check it.
12698         (find_what_var_points_to): Likewise.
12699         (compute_tbaa_pruning): Remove.
12700         (compute_points_to_sets): Do not call it.
12701         * tree.c (walk_tree_1): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
12702         * tree.def (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
12703         * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Remove.
12704         (CHANGE_DYNAMIC_TYPE_LOCATION): Likewise.
12705         (DECL_NO_TBAA_P): Likewise.
12706         (struct tree_decl_common): Move no_tbaa_flag to unused flags section.
12707         * omp-low.c (copy_var_decl): Do not copy DECL_NO_TBAA_P.
12708         (expand_omp_atomic_pipeline): Do not set it.
12709         * print-tree.c (print_node): Do not dump it.
12710         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
12711         redundant check.
12713 2009-05-22 Vladimir Makarov <vmakarov@redhat.com>
12715         PR target/39856
12716         * reg-stack.c (subst_stack_regs_pat): Remove gcc_assert for note
12717         for clobber.
12719 2009-05-22  Mark Mitchell  <mark@codesourcery.com>
12721         * tree.c (handle_dll_attribute): Mark dllexport'd inlines as
12722         non-external.
12724 2009-05-22  Ben Elliston  <bje@au.ibm.com>
12726         * Makefile.in (bversion.h, s-bversion): New targets.
12727         (TOPLEV_H): Add bversion.h.
12728         * toplev.h: Include "bversion.h".
12729         (ATTRIBUTE_GCC_DIAG): When building with checking disabled, use
12730         the __format__ attribute only if compiling with the same version
12731         of GCC as the sources (the "build version").
12733 2009-05-22  Ben Elliston  <bje@au.ibm.com>
12735         * c-format.c (handle_format_attribute): Fix comment typo.
12737 2009-05-21  Steve Ellcey  <sje@cup.hp.com>
12739         PR target/37846
12740         * config/ia64/ia64.opt (mfused-madd): New.
12741         * config/ia64/ia64.h (TARGET_DEFAULT): Set MASK_FUSED_MADD.
12742         * config/ia64/hpux.h (TARGET_DEFAULT): Ditto.
12743         * config/ia64/ia64.md (maddsf4, msubsf4, nmaddsf4,
12744         madddf4, madddf4_trunc, msubdf4, msubdf4_trunc, nmadddf4,
12745         nmadddf4_truncsf, maddxf4, maddxf4_truncsf, maddxf4_truncdf,
12746         msubxf4, msubxf4_truncsf msubxf4_truncdf, nmaddxf4,
12747         nmaddxf4_truncsf, nmaddxf4_truncdf): Check TARGET_FUSED_MADD.
12748         * config/ia64/vect.md (addv2sf3, subv2sf3): Force fpma/fpms
12749         instruction if !TARGET_FUSED_MADD.
12750         (fpma, fpms): Remove colon from name.
12752 2009-05-22  Richard Guenther  <rguenther@suse.de>
12754         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Record
12755         TMR_ORIGINAL.  Always either record TMR_SYMBOL or TMR_BASE.
12756         * tree-ssa-pre.c (create_component_ref_by_pieces_1): Handle
12757         TARGET_MEM_REF.
12758         (create_expression_by_pieces): Only convert if necessary.
12759         * gimplify.c (gimplify_expr): Handle TARGET_MEM_REF.
12760         * tree-ssa-loop-im.c (gen_lsm_tmp_name): Handle INTEGER_CST.
12762 2009-05-21  Adam Nemet  <anemet@caviumnetworks.com>
12764         * config/mips/mips.md (*extzv_trunc<mode>_exts): Turn into a
12765         regular pattern from a template and rename it ...
12766         (*extzv_truncsi_exts): ... to this.
12768 2009-05-21  Richard Guenther  <rguenther@suse.de>
12770         * cgraph.h (struct cgraph_node): Remove inline_decl member.
12771         * ipa-inline.c (cgraph_mark_inline_edge): Do not check it.
12772         (cgraph_default_inline_p): Likewise.
12773         (cgraph_decide_inlining_incrementally): Likewise.
12775 2009-05-21  H.J. Lu  <hongjiu.lu@intel.com>
12776             Uros Bizjak  <ubizjak@gmail.com>
12778         * config/i386/cpuid.h (bit_MOVBE): New.
12780         * config/i386/driver-i386.c (host_detect_local_cpu): Check movbe.
12782         * config/i386/i386.c (OPTION_MASK_ISA_MOVBE_SET): New.
12783         (OPTION_MASK_ISA_MOVBE_UNSET): Likewise.
12784         (ix86_handle_option): Handle OPT_mmovbe.
12785         (ix86_target_string): Add -mmovbe.
12786         (pta_flags): Add PTA_MOVBE.
12787         (processor_alias_table): Add PTA_MOVBE to "atom".
12788         (override_options): Handle PTA_MOVBE.
12790         * config/i386/i386.h (TARGET_MOVBE): New.
12792         * config/i386/i386.md (bswapsi2): Check TARGET_MOVBE.
12793         (*bswapsi_movbe): New.
12794         (*bswapdi_movbe): Likewise.
12795         (bswapdi2): Renamed to ...
12796         (*bswapdi_1): This.
12797         (bswapdi2): New expander.
12799         * config/i386/i386.opt (mmovbe): New.
12801         * doc/invoke.texi: Document -mmovbe.
12803 2009-05-21  Taras Glek  <tglek@mozilla.com>
12805         * plugin.c (try_init_one_plugin): Updated to new plugin_init API.
12806         * gcc-plugin.h (plugin_init): Updated signature.
12807         * gcc-plugin.h (plugin_name_args): Moved to this header.
12808         * doc/plugins.texi (plugin_init): Updated documention to reflect
12809         API change.
12810         * doc/plugins.texi (plugin_name_args): Added to documention.
12812 2009-05-21  Mark Mitchell  <mark@codesourcery.com>
12814         * config/arm/neon.md (*mul<mode>3add<mode>_neon): New pattern.
12815         (*mul<mode>3neg<mode>add<mode>_neon): Likewise.
12817 2009-05-21  Shujing Zhao  <pearly.zhao@oracle.com>
12819         * config/i386/i386.c: Use REG_P, MEM_P, CONST_INT_P, LABEL_P and
12820         JUMP_TABLE_DATA_P predicates where applicable.
12821         * config/i386/predicates.md: Ditto.
12822         * config/i386/sse.md: Ditto.
12824 2009-05-21  Jakub Jelinek  <jakub@redhat.com>
12826         * config/i386/i386.md (adddi_4_rex64, addsi_4, addhi_4): For
12827         operand2 -128 override length_immediate attribute to 1.
12828         * config/i386/predicates.md (constm128_operand): New predicate.
12830         * config/i386/i386.c (memory_address_length): Handle %r12
12831         the same as %rsp and %r13 the same as %rbp.  For %rsp and %rbp
12832         also check REGNO.
12833         (ix86_attr_length_address_default): For MODE_SI lea in 64-bit
12834         mode look through optional ZERO_EXTEND and SUBREG.
12835         * config/i386/i386.md (R12_REG): New define_constant.
12836         (prefix_data16): For sse unit set also for MODE_TI insns.
12837         (prefix_rex): For -m32 always return 0.  For TYPE_IMOVX
12838         insns set if operand 1 is ext_QIreg_operand.
12839         (modrm): For TYPE_IMOV clear only if not MODE_DI.  For
12840         TYPE_{ALU{,1},ICMP,TEST} insn clear if there is non-shortened
12841         immediate.
12842         (*movdi_extzv_1, zero_extendhidi2, zero_extendqidi2): Change
12843         mode from MODE_DI to MODE_SI.
12844         (movdi_1_rex64): Override modrm and length_immediate attributes
12845         only for movabs (TYPE_IMOV, alternative 2).
12846         (zero_extendsidi2_rex64): Clear prefix_0f attribute if TYPE_IMOVX.
12847         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit,
12848         *float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit,
12849         *float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit,
12850         *float<SSEMODEI24:mode><MODEF:mode>2_sse_nointerunit): Set
12851         prefix_rex attribute if DImode.
12852         (*adddi_1_rex64, *adddi_2_rex64, *adddi_3_rex64, *adddi_5_rex64,
12853         *addsi_1, *addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
12854         *addsi_3_zext, *addsi_5, *addhi_1_lea, *addhi_1, *addhi_2, *addhi_3,
12855         *addhi_5, *addqi_1_lea, *addqi_1): Override length_immediate
12856         attribute to 1 if TYPE_ALU and operand 2 is const128_operand.
12857         (pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64):
12858         Likewise.  For TYPE_IMOV clear length_immediate attribute.
12859         (*ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashldi3_cconly_rex64,
12860         *ashlsi3_1, *ashlsi3_1_zext, *ashlsi3_cmp, **ashlsi3_cconly,
12861         *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1, *ashlhi3_cmp,
12862         *ashlhi3_cconly, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
12863         *ashlqi3_cconly): Override length_immediate attribute to 0 if TYPE_ALU
12864         or one operand TYPE_ISHIFT.
12865         (*ashrdi3_1_one_bit_rex64, *ashrdi3_one_bit_cmp_rex64,
12866         *ashrdi3_one_bit_cconly_rex64, *ashrsi3_1_one_bit,
12867         *ashrsi3_1_one_bit_zext, *ashrsi3_one_bit_cmp,
12868         *ashrsi3_one_bit_cconly, *ashrsi3_one_bit_cmp_zext,
12869         *ashrhi3_1_one_bit, *ashrhi3_one_bit_cmp, *ashrhi3_one_bit_cconly,
12870         *ashrqi3_1_one_bit, *ashrqi3_1_one_bit_slp, *ashrqi3_one_bit_cmp,
12871         *ashrqi3_one_bit_cconly, *lshrdi3_1_one_bit_rex64,
12872         *lshrdi3_cmp_one_bit_rex64, *lshrdi3_cconly_one_bit_rex64,
12873         *lshrsi3_1_one_bit, *lshrsi3_1_one_bit_zext, *lshrsi3_one_bit_cmp,
12874         *lshrsi3_one_bit_cconly, *lshrsi3_cmp_one_bit_zext,
12875         *lshrhi3_1_one_bit, *lshrhi3_one_bit_cmp, *lshrhi3_one_bit_cconly,
12876         *lshrqi3_1_one_bit, *lshrqi3_1_one_bit_slp, *lshrqi2_one_bit_cmp,
12877         *lshrqi2_one_bit_cconly, *rotlsi3_1_one_bit_rex64, *rotlsi3_1_one_bit,
12878         *rotlsi3_1_one_bit_zext, *rotlhi3_1_one_bit, *rotlqi3_1_one_bit_slp,
12879         *rotlqi3_1_one_bit, *rotrdi3_1_one_bit_rex64, *rotrsi3_1_one_bit,
12880         *rotrsi3_1_one_bit_zext, *rotrhi3_one_bit, *rotrqi3_1_one_bit,
12881         *rotrqi3_1_one_bit_slp): Override length_immediate attribute to 0,
12882         set mode attribute, don't override length attribute.
12883         (*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Set prefix_0f attribute
12884         to 1.
12885         (return_internal_long): Set length attribute to 2 instead of 1.
12886         (*strmovqi_rex_1, *strsetqi_rex_1, *rep_stosqi_rex64,
12887         *cmpstrnqi_nz_rex_1, *cmpstrnqi_rex_1, *strlenqi_rex_1): Clear
12888         prefix_rex attribute.
12889         * config/i386/predicates.md (ext_QIreg_operand, const128_operand):
12890         New predicates.
12891         (memory_displacement_only_operand): Always return 0 for TARGET_64BIT.
12893 2009-05-21  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
12895         * config/arm/thumb2.md (orsi_notsi_si): Fix typo in pattern.
12897 2009-05-20  Ian Lance Taylor  <iant@google.com>
12899         * tree.c (build_tree_list_vec_stat): New function.
12900         (ctor_to_vec): New function.
12901         (build_nt_call_vec): New function.
12902         (build_call_array): Change args to be a const pointer.
12903         (build_call_vec): New function.
12904         * tree.h (build_nt_call_vec): Declare.
12905         (build_tree_list_vec_stat): Declare.
12906         (build_tree_list_vec): Define.
12907         (build_call_array): Update declaration.
12908         (build_call_vec): Declare.
12909         (ctor_to_vec): Declare.
12910         * c-common.c (tree_vector_cache): New static variable.
12911         (make_tree_vector): New function.
12912         (release_tree_vector): New function.
12913         (make_tree_vector_single): New function.
12914         (make_tree_vector_copy): New function.
12915         * c-common.h (tree_vector_cache, make_tree_vector): Declare.
12916         (make_tree_vector_single, make_tree_vector_copy): Declare.
12917         * c-parser.c (cached_expr_list_1, cached_expr_list_2): Remove.
12918         (c_parser_expr_list): Don't manage cache here, instead call
12919         make_tree_vector.
12920         (c_parser_release_expr_list): Remove static function.
12921         (c_parser_vec_to_tree_list): Remove static function.
12922         (c_parser_attributes): Call build_tree_list_vec instead of
12923         c_parser_vec_to_tree_list.  Call release_tree_vector instead of
12924         c_parser_release_expr_list.
12925         (c_parser_postfix_expression_after_primary): Likewise.
12926         (c_parser_objc_keywordexpr): Likewise.
12928 2009-05-20  Sandra Loosemore  <sandra@codesourcery.com>
12930         * doc/tm.texi (Misc): Document TARGET_INVALID_PARAMETER_TYPE,
12931         TARGET_INVALID_RETURN_TYPE, TARGET_PROMOTED_TYPE, and
12932         TARGET_CONVERT_TO_TYPE.
12933         * hooks.c (hook_tree_const_tree_null): Define.
12934         * hooks.h (hook_tree_const_tree_null): Declare.
12935         * target.h (struct gcc_target):  Add invalid_parameter_type,
12936         invalid_return_type, promoted_type, and convert_to_type fields.
12937         * target-def.h: (TARGET_INVALID_PARAMETER_TYPE): Define.
12938         (TARGET_INVALID_RETURN_TYPE): Define.
12939         (TARGET_PROMOTED_TYPE): Define.
12940         (TARGET_CONVERT_TO_TYPE): Define.
12941         (TARGET_INITIALIZER): Update for new fields.
12942         * c-decl.c (grokdeclarator): Check targetm.invalid_return_type.
12943         (grokparms): Check targetm.invalid_parameter_type.
12944         * c-typeck.c (default_conversion): Check targetm.promoted_type.
12945         * c-convert.c (convert): Check targetm.convert_to_type.
12947 2009-05-20  Adam Nemet  <anemet@caviumnetworks.com>
12949         * config/mips/mips.md (*extenddi_truncate<mode>,
12950         *extendsi_truncate<mode>): Emit exts if supported.  Add attribute
12951         defintions.
12952         (*extendhi_truncateqi): New define_insn_and_sptit.
12954 2009-05-20  Jakub Jelinek  <jakub@redhat.com>
12956         PR middle-end/40204
12957         * fold-const.c (fold_binary) <case BIT_AND_EXPR>: Avoid infinite
12958         recursion if build_int_cst_type returns the same INTEGER_CST as arg1.
12960 2009-05-20  Eric Botcazou  <ebotcazou@adacore.com>
12962         * fold-const.c (build_fold_addr_expr_with_type): Take the address of
12963         the operand of VIEW_CONVERT_EXPR.
12965 2009-05-20  H.J. Lu  <hongjiu.lu@intel.com>
12967         * config/i386/driver-i386.c (host_detect_local_cpu): Check
12968         extended family and model for Intel processors.  Support Intel Atom.
12970 2009-05-20  Olivier Hainque  <hainque@adacore.com>
12972         * gstab.h (stab_code_type): Define, to be used instead of the
12973         __stab_debug_code enum, made anonymous.  Add 2009 to the copyright
12974         notice.
12975         * dbxout.c (STAB_CODE_TYPE): Remove #define and replace use
12976         occurrences by stab_code_type.
12977         * mips-tfile.c (STAB_CODE_TYPE): Remove #define, unused.
12979 2009-05-20  Martin Jambor  <mjambor@suse.cz>
12981         * tree-flow.h (insert_edge_copies_seq): Undeclare.
12982         (sra_insert_before): Likewise.
12983         (sra_insert_after): Likewise.
12984         (sra_init_cache): Likewise.
12985         (sra_type_can_be_decomposed_p): Likewise.
12986         * tree-mudflap.c (insert_edge_copies_seq): Copied here from tree-sra.c
12987         * tree-sra.c (sra_type_can_be_decomposed_p): Made static.
12988         (sra_insert_before): Likewise.
12989         (sra_insert_after): Likewise.
12990         (sra_init_cache): Likewise.
12991         (insert_edge_copies_seq): Made static and moved upwards.
12993         * tree-complex.c (extract_component): Added VIEW_CONVERT_EXPR switch
12994         case.
12996         * tree-flow-inline.h (contains_view_convert_expr_p): New function.
12998         * ipa-prop.c (get_ssa_def_if_simple_copy): New function.
12999         (determine_cst_member_ptr): Call get_ssa_def_if_simple_copy to skip
13000         simple copies.
13002 2009-05-20  Richard Guenther  <rguenther@suse.de>
13004         * expr.c (expand_expr_real_1): Avoid calling do_store_flag
13005         with mismatched comparison modes.
13007 2009-05-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
13009         * config/arm/arm.md (*arm_iorsi3): Refactored for only ARM.
13010         (peephole ior (reg, int) -> mov, ior): Refactored for only ARM.
13011         * config/arm/thumb2.md (*thumb_andsi_not_shiftsi_si): Allow bic
13012         with shifts for Thumb2.
13013         (orsi_notsi): New for orn.
13014         (*thumb_orsi_notshiftsi_si): Allow orn with shifts.
13015         (*thumb2_iorsi3): Rewrite support for iorsi for Thumb2.
13016         * config/arm/arm.c (const_ok_for_op): Split case for IOR for Thumb2.
13017         (arm_gen_constant): Set can_invert for IOR and Thumb2, Add comments.
13018         Don't invert remainder for IOR.
13020 2009-05-19  Zdenek Dvorak  <ook@ucw.cz>
13022         PR tree-optimization/40087
13023         * tree-ssa-loop-niter.c (number_of_iterations_ne_max,
13024         number_of_iterations_ne): Rename never_infinite argument.
13025         (number_of_iterations_lt_to_ne, number_of_iterations_lt,
13026         number_of_iterations_le): Handle pointer-type ivs when
13027         exit_must_be_taken is false.
13028         (number_of_iterations_cond):  Do not always assume that
13029         exit_must_be_taken if the control variable is a pointer.
13031 2009-05-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
13033         * c-typeck.c (build_binary_op): Allow % on integal vectors.
13034         * doc/extend.texi (Vector Extension): Document that % is allowed too.
13036 2009-05-19  H.J. Lu  <hongjiu.lu@intel.com>
13038         * config/i386/i386.c (ix86_avoid_jump_mispredicts): Check
13039         ASM_OUTPUT_MAX_SKIP_PAD instead of ASM_OUTPUT_MAX_SKIP_ALIGN.
13041 2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
13043         PR c/40172
13044         * c.opt (Wlogical-op): Disabled by default.
13045         * c-opt (c_common_post_options): Do not enable Wlogical-op with
13046         Wextra.
13047         * doc/invoke.texi (Wlogical-op): Likewise.
13049 2009-05-19  Eric Botcazou  <ebotcazou@adacore.com>
13051         * tree-scalar-evolution.c (follow_ssa_edge_expr) <NOP_EXPR>: Turn
13052         into CASE_CONVERT.
13053         <PLUS_EXPR>: Strip useless type conversions instead of type nops.
13054         Propagate the type of the first operand.
13055         <ASSERT_EXPR>: Simplify.
13056         (follow_ssa_edge_in_rhs): Use gimple_expr_type to get the type.
13057         Rewrite using the RHS code as discriminant.
13058         <NOP_EXPR>: Turn into CASE_CONVERT.
13059         <PLUS_EXPR>: Propagate the type of the first operand.
13061 2009-05-19  Steve Ellcey  <sje@cup.hp.com>
13063         * config/ia64/ia64-protos.h (ia64_dconst_0_5): New.
13064         (ia64_dconst_0_375): New.
13065         * config/ia64/ia64.c (ia64_override_options): Remove
13066         -minline-sqrt-min-latency warning.
13067         (ia64_dconst_0_5_rtx, ia64_dconst_0_5): New.
13068         (ia64_dconst_0_375_rtx, ia64_dconst_0_375): New
13069         * config/ia64/ia64.md (*sqrt_approx): Remove.
13070         (sqrtsf2): Remove #if 0.
13071         (sqrtsf2_internal_thr): Rewrite and move to div.md.
13072         (sqrtdf): Remove assert.
13073         (sqrtdf2_internal_thr): Rewrite and move to div.md.
13074         (sqrtxf2): Remove #if 0.
13075         (sqrtxf2_internal_thr): Rewrite and move to div.md.
13076         * div.md (sqrt_approx_rf): New.
13077         (sqrtsf2_internal_thr): New implementation.
13078         (sqrtsf2_internal_lat): New.
13079         (sqrtdf2_internal_thr: New implementation.
13080         (sqrtxf2_internal): New implementation.
13082 2009-05-19  Francois-Xavier Coudert  <fxcoudert@gmail.com>
13083             Hans-Peter Nilsson  <hp@axis.com>
13085         * defaults.h (UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE)
13086         (WCHAR_TYPE, MODIFIED_WCHAR_TYPE, PTRDIFF_TYPE, WINT_TYPE)
13087         (INTMAX_TYPE, UINTMAX_TYPE, SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE)
13088         (INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE)
13089         (UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE)
13090         (INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE)
13091         (UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE)
13092         (INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE)
13093         (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE)
13094         (SIZE_TYPE, PID_TYPE, CHAR16_TYPE, CHAR32_TYPE): Move defaults here...
13095         * c-common.c: ...from here.
13097 2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
13099         * c-common.c (warn_logical_operator): Remove unnecessary conditionals.
13101 2009-05-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13103         * builtins.c (do_mpc_arg1): Separate MPFR/MPC C rounding types.
13105 2009-05-19  Ben Elliston  <bje@au.ibm.com>
13107         * unwind-dw2-fde.c (fde_unencoded_compare): Replace type punning
13108         assignments with memcpy calls.
13109         (add_fdes): Likewise.
13110         (binary_search_unencoded_fdes): Likewise.
13111         (linear_search_fdes): Eliminate type puns.
13113 2009-05-19  Richard Guenther  <rguenther@suse.de>
13115         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do
13116         not falsely claim to have propagated into all uses.
13118 2009-05-19  Ben Elliston  <bje@au.ibm.com>
13120         * doc/invoke.texi (C Dialect Options): Update OpenMP specification
13121         version to v3.0.
13123 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
13125         * config/sh/sh-protos.h (sh_legitimate_address_p): Remove.
13126         * config/sh/sh.c (sh_legitimate_address_p): Make static.
13127         (TARGET_LEGITIMATE_ADDRESS_P): New.
13128         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
13129         * config/sh/sh.md: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
13131 2009-05-18  Dodji Seketeli  <dodji@redhat.com>
13133         PR debug/40109
13134         * dwarf2out.c (gen_type_die_with_usage): Generate the DIE as a
13135         child of the containing namespace's DIE.
13137 2009-05-18  Adam Nemet  <anemet@caviumnetworks.com>
13139         * config/mips/mips.md (*zero_extend<GPR:mode>_trunc<SHORT:mode>,
13140         *zero_extendhi_truncqi):  Move after the zero_extend patterns.
13141         (*extenddi_truncate<mode>, *extendsi_truncate<mode>): Move after the
13142         extend patterns.
13144 2009-05-18  H.J. Lu  <hongjiu.lu@intel.com>
13146         PR target/39942
13147         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Replace
13148         gen_align with gen_pad.
13149         (ix86_reorg): Check ASM_OUTPUT_MAX_SKIP_PAD instead of
13150         #ifdef ASM_OUTPUT_MAX_SKIP_ALIGN.
13152         * config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): New.
13153         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_PAD): Likewise.
13155         * config/i386/i386.md (align): Renamed to ...
13156         (pad): This.  Replace ASM_OUTPUT_MAX_SKIP_ALIGN with
13157         ASM_OUTPUT_MAX_SKIP_PAD.
13159 2009-05-18  Andreas Schwab  <schwab@linux-m68k.org>
13161         * config.gcc: Fix variable syntax.
13163         PR target/39531
13164         * config/m68k/m68k.c (output_andsi3): Mask off sign bit copies
13165         before calling exact_log2.
13166         (output_iorsi3): Likewise.
13167         (output_xorsi3): Likewise.
13169 2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>
13171         * config/sh/sh.c (expand_cbranchdi4): Use a scratch register
13172         for the none zero constant operand except for EQ and NE
13173         comprisons even when the first operand is R0.
13175 2009-05-18  Andreas Krebbel  <krebbel1@de.ibm.com>
13177         * config/s390/2064.md: Remove trailing whitespaces.
13178         * config/s390/2084.md: Likewise.
13179         * config/s390/constraints.md: Likewise.
13180         * config/s390/fixdfdi.h: Likewise.
13181         * config/s390/libgcc-glibc.ver: Likewise.
13182         * config/s390/s390-modes.def: Likewise.
13183         * config/s390/s390-protos.h: Likewise.
13184         * config/s390/s390.c: Likewise.
13185         * config/s390/s390.h: Likewise.
13186         * config/s390/s390.md: Likewise.
13187         * config/s390/tpf-unwind.h: Likewise.
13189 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
13191         * config/m68k/m68k.c (m68k_legitimize_address): Fix typo in signature.
13193 2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
13195         M68K TLS support.
13196         * configure.ac (m68k-*-*): Check if binutils support TLS.
13197         * configure: Regenerate.
13198         * config/m68k/predicates.md (symbolic_operand): Extend comment.
13199         * config/m68k/constraints.md (Cu): New constraint.
13200         * config/m68k/m68k.md (UNSPEC_GOTOFF): Remove.
13201         (UNSPEC_RELOC16, UNSPEC_RELOC32): New constants.
13202         (movsi): Handle TLS symbols.
13203         (addsi3_5200): Handle XTLS symbols, indent.
13204         * config/m68k/m68k-protos.h (m68k_legitimize_tls_address): Declare.
13205         (m68k_tls_reference_p): Declare.
13206         (m68k_legitimize_address): Declare.
13207         (m68k_unwrap_symbol): Declare.
13208         * config/m68k/m68k.opt (mxtls): New option.
13209         * config/m68k/m68k.c (ggc.h): Include.
13210         (m68k_output_dwarf_dtprel): Implement hook.
13211         (TARGET_HAVE_TLS, TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
13212         (m68k_expand_prologue): Load GOT pointer when function needs it.
13213         (m68k_illegitimate_symbolic_constant_p): Handle TLS symbols.
13214         (m68k_legitimate_constant_address_p): Same.
13215         (m68k_decompose_address): Handle TLS references.
13216         (m68k_get_gp): New static function.
13217         (enum m68k_reloc): New contants.
13218         (TLS_RELOC_P): New macro.
13219         (m68k_wrap_symbol): New static function.
13220         (m68k_unwrap_symbol): New function.
13221         (m68k_final_prescan_insn_1): New static function.
13222         (m68k_final_prescan_insn): New function.
13223         (m68k_move_to_reg, m68k_wrap_symbol_into_got_ref): New static
13224         functions.
13225         (legitimize_pic_address): Handle TLS references..
13226         (m68k_tls_get_addr, m68k_get_tls_get_addr)
13227         (m68k_libcall_value_in_a0_p)
13228         (m68k_call_tls_get_addr, m68k_read_tp, m68k_get_m68k_read_tp)
13229         (m68k_call_m68k_read_tp): Helper variables and functions for ...
13230         (m68k_legitimize_tls_address): Handle TLS references.
13231         (m68k_tls_symbol_p, m68k_tls_reference_p_1, m68k_tls_reference_p):
13232         New functions.
13233         (m68k_legitimize_address): Handle TLS symbols.
13234         (m68k_get_reloc_decoration): New static function.
13235         (m68k_output_addr_const_extra): Handle UNSPEC_RELOC16 and
13236         UNSPEC_RELOC32.
13237         (m68k_output_dwarf_dtprel): Implement hook.
13238         (print_operand_address): Handle UNSPEC_RELOC16 adn UNSPEC_RELOC32.
13239         (m68k_libcall_value): Return result in A0 instead of D0 when asked by
13240         m68k_call_* routines.
13241         (sched_attr_op_type): Handle TLS symbols.
13242         (gt-m68k.h): Include.
13243         * config/m68k/m68k.h (FINAL_PRESCAN_INSN): Define.
13244         (LEGITIMATE_PIC_OPERAND_P): Support TLS.
13246 2009-05-18  Martin Jambor  <mjambor@suse.cz>
13248         * ipa-prop.c (ipa_check_stmt_modifications): Removed.
13249         (visit_store_addr_for_mod_analysis): New function.
13250         (ipa_detect_param_modifications): Use walk_stmt_load_store_addr_ops.
13251         (determine_cst_member_ptr): Use gimple_assign_single_p.
13252         (ipa_get_stmt_member_ptr_load_param): Use gimple_assign_single_p.
13253         (ipa_analyze_call_uses): Use !gimple_assign_rhs2 rather than number of
13254         operands.  Don't check number of operands of a NOP_EXPR.
13256 2009-05-18  Eric Fisher  <joefoxreal@gmail.com>
13258         * doc/tree-ssa.texi (SSA Operands): Fix a mistake.
13260 2009-05-17  Manuel López-Ibáñez  <manu@gcc.gnu.org>
13262         PR c/40172
13263         * c-common.c (warn_logical_operator): Don't warn if one of
13264         expression isn't always true or false.
13266 2009-05-17  Kai Tietz  <kai.tietz@onevision.com>
13268         * config/i386/biarch32.h: New file.
13269         * config.gcc: Add for target i386-w64-* the biarch32.h to tm_file.
13271 2009-05-17  Adam Nemet  <anemet@caviumnetworks.com>
13273         * config/mips/mips.md (*zero_extend<mode>_trunchi,
13274         *zero_extend<mode>_truncqi): Merge these into ...
13275         (*zero_extend<GPR:mode>_trunc<SHORT:mode>): ... this new pattern.
13276         Name the pattern following this as *zero_extendhi_truncqi.
13278 2009-05-16  Brad Lucier  <lucier@math.purdue.edu>
13280         PR middle-end/39301
13281         * hwint.h: Add macro HOST_WIDEST_INT_PRINT.
13282         * bitmap.c (bitmap_descriptor): Make fields HOST_WIDEST_INT.
13283         (output_info): Make field HOST_WIDEST_INT.
13284         (print_statistics): Use HOST_WIDEST_INT_PRINT.
13285         (dump_bitmat_statistics): Same.
13287 2009-05-16  Francois-Xavier Coudert  <fxcoudert@gmail.com>
13289         * config.gcc (use_gcc_stdint):  Set to wrap.
13290         * config/darwin.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
13291         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
13292         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
13293         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
13294         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
13295         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
13296         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
13297         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
13299 2009-05-16  Joseph Myers  <joseph@codesourcery.com>
13301         * config.gcc (mips*-*-*): Support arch_32, arch_64, tune_32 and
13302         tune_64.
13303         * config/mips/mips.h (MIPS_ABI_DEFAULT, MULTILIB_ABI_DEFAULT):
13304         Move definitions earlier.
13305         (OPT_ARCH64, OPT_ARCH32): Define.
13306         (OPTION_DEFAULT_SPECS): Add entries for arch_32, arch_64, tune_32
13307         and tune_64.
13309 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
13311         PR target/40153
13312         * arm.md (cstoresi_nltu_thumb1): Use a neg of ltu as the pattern name
13313         implies.
13315 2009-05-16  Richard Earnshaw  <rearnsha@arm.com>
13317         * arm.md (movdi2): Copy non-reg values to DImode registers.
13319 2009-05-16  Jakub Jelinek  <jakub@redhat.com>
13321         PR target/39942
13322         * final.c (label_to_max_skip): New function.
13323         (label_to_alignment): Only use LABEL_TO_ALIGNMENT if
13324         CODE_LABEL_NUMBER <= max_labelno.
13325         * output.h (label_to_max_skip): New prototype.
13326         * config/i386/i386.c (ix86_avoid_jump_misspredicts): Renamed to...
13327         (ix86_avoid_jump_mispredicts): ... this.  Don't define if
13328         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.  Update comment.
13329         Handle CODE_LABELs with >= 16 byte alignment or with
13330         max_skip == (1 << align) - 1.
13331         (ix86_reorg): Don't call ix86_avoid_jump_mispredicts if
13332         ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.
13334         PR target/39942
13335         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Don't emit second
13336         .p2align 3 if MAX_SKIP is smaller than 7.
13337         * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
13339 2009-05-15  Ian Lance Taylor  <iant@google.com>
13341         * alias.c (struct alias_set_entry_d): Rename from struct
13342         alias_set_entry.  Change all uses.
13343         * except.c (struct call_site_record_d): Rename from struct
13344         call_site_record.  Change all uses.
13345         * except.h (struct eh_region_d): Rename from struct eh_region.
13346         Change all uses.
13347         * gcse.c (struct hash_table_d): Rename from struct hash_table.
13348         Change all uses.
13349         * graphite.c (struct ivtype_map_elt_d): Rename fromstruct
13350         ivtype_map_elt.  Change all uses.
13351         (struct rename_map_elt_d): Rename fromstruct rename_map_elt.
13352         Change all uses.
13353         (struct ifsese_d): Rename fromstruct ifsese.  Change all uses.
13354         * graphite.h (struct name_tree_d): Rename from struct name_tree.
13355         Change all uses.
13356         (struct sese_d): Rename from struct sese.  Change all uses.
13357         * omega.h (struct eqn_d): Rename from struct eqn.  Change all uses.
13358         (struct omega_pb_d): Rename from struct omega_pb.  Change all uses.
13359         * optabs.h (struct optab_d): Rename from struct optab.  Change all
13360         uses.
13361         (struct convert_optab_d): Rename from struct convert_optab.
13362         Change all uses.
13363         * tree-pass.h (struct ipa_opt_pass_d): Rename fromstruct
13364         ipa_opt_pass.  Change all uses.
13365         * tree-predcom.c (struct dref_d): Rename from struct dref.  Change
13366         all uses.
13368         * c-decl.c (pushtag): If -Wc++-compat, warn if the tag is already
13369         defined as a typedef.
13370         (grokdeclarator): If -Wc++-compat, warn if a typedef is already
13371         defined as a tag.
13373 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
13375         PR 16302
13376         * fold-const.c (make_range,build_range_check,merge_ranges): Move
13377         declaration to...
13378         (merge_ranges): Returns bool.
13379         * tree.h (make_range): .. to here.
13380         (build_range_check): Likewise.
13381         (merge_ranges): Likewise. Renamed from merge_ranges.
13382         * c-typeck.c (parser_build_binary_op): Update calls to
13383         warn_logical_operator.
13384         * c-common.c (warn_logical_operator): Add new warning.
13385         * c-common.h (warn_logical_operator): Update declaration.
13387 2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>
13389         * ira-conflicts.c (add_insn_allocno_copies): Fix wrong conditional.
13391 2009-05-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13393         * doc/install.texi: Document MPC requirements, flags etc.
13395         * builtins.c (do_mpc_arg1, fold_builtin_ccos): New.
13396         (fold_builtin_cexp): Ensure we get a complex REAL_TYPE.
13397         Evaluate constant arguments.
13398         (fold_builtin_carg): Ensure we get a complex REAL_TYPE.
13399         (fold_builtin_1): Likewise, also evaluate constant arguments.
13400         Remove superfluous break.
13401         (do_mpc_ckconv): New.
13402         * real.h: Include mpc.h.
13403         * toplev.c (print_version): Output MPC version info if available.
13405 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
13407         * fold-const.c (fold_convert_const_real_from_real): Check for overflow.
13409 2009-05-15  H.J. Lu  <hongjiu.lu@intel.com>
13411         * config/i386/i386.c (ix86_reorg): Call optimize_function_for_speed_p
13412         only once.
13414 2009-05-15  Jan Hubicka  <jh@suse.cz>
13416         * doc/invoke.texi (max-early-inliner-iterations): New flag.
13417         * ipa-inline.c (enum inlining_mode): New INLINE_SIZE_NORECURSIVE.
13418         (try_inline): Fix return value.
13419         (cgraph_decide_inlining_incrementally): Honor new value.
13420         (cgraph_early_inlining): Handle indirect inlining.
13421         * params.def (PARAM_EARLY_INLINER_MAX_ITERATIONS): New.
13423 2009-05-15  Jan Hubicka  <jh@suse.cz>
13425         * cgraph.h (struct cgraph_node): Add finalized_by_frotnend flag.
13426         * cgraphunit.c (cgraph_finalize_function): Set it.
13427         (cgraph_expand_function): Use it.
13429 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
13431         * real.c (encode_ieee_half): Define.
13432         (decode_ieee_half): Define.
13433         (ieee_half_format): Define.
13434         (arm_half_format): Define.
13435         * real.h (ieee_half_format): Declare.
13436         (arm_half_format): Declare.
13438 2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>
13440         * optabs.c (prepare_float_lib_cmp):  Test that the comparison,
13441         swapped, and reversed optabs exist before trying to use them.
13443 2009-05-15  Paul Brook  <paul@codesourcery.com>
13444             Sandra Loosemore  <sandra@codesourcery.com>
13446         * config/arm/arm.c (neon_vector_mem_operand): Handle element/structure
13447         loads.  Allow PRE_DEC.
13448         (output_move_neon): Handle PRE_DEC.
13449         (arm_print_operand): Add 'A' for neon structure loads.
13450         * config/arm/arm-protos.h (neon_vector_mem_operand): Update prototype.
13451         * config/arm/neon.md (neon_mov): Update comment.
13452         * config/arm/constraints.md (Un, Us): Update neon_vector_mem_operand
13453         calls.
13454         (Um): New constraint.
13456 2009-05-15  Jan Hubicka  <jh@suse.cz>
13458         Revert the following patch until testsuite fallout is fixed:
13459         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
13460         * cgraph.h (struct inline_summary): New filed self_wize,
13461         size_inlining_benefit, self_time and time_inlining_benefit.
13462         (struct cgraph_global_info): Replace insns by time ans size fields.
13463         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
13464         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
13465         (ipcp_update_callgraph): Do not touch function bodies.
13466         * ipa-inline.c: Include except.h
13467         (MAX_TIME): New constant.
13468         (overall_insns): Remove
13469         (overall_size, max_benefit): New static variables.
13470         (cgraph_estimate_time_after_inlining): New function.
13471         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
13472         (cgraph_clone_inlined_nodes): Update size.
13473         (cgraph_mark_inline_edge): Update size.
13474         (cgraph_estimate_growth): Use size info.
13475         (cgraph_check_inline_limits): Check size.
13476         (cgraph_default_inline_p): Likewise.
13477         (cgraph_edge_badness): Compute badness based on benefit and size cost.
13478         (cgraph_decide_recursive_inlining): Check size.
13479         (cgraph_decide_inlining_of_small_function): Update size; dump sizes
13480         and times.
13481         (cgraph_decide_inlining): Likewise.
13482         (cgraph_decide_inlining_incrementally): Likewise; honor
13483         PARAM_EARLY_INLINING_INSNS.
13484         (likely_eliminated_by_inlining_p): New predicate.
13485         (estimate_function_body_sizes): New function.
13486         (compute_inline_parameters): Use it.
13487         * except.c (must_not_throw_labels): New function.
13488         * except.h (must_not_throw_labels): Declare.
13489         * tree-inline.c (init_inline_once): Kill inlining_weigths
13490         * tree-ssa-structalias.c: Avoid uninitialized warning.
13491         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
13492         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
13493         (PARAM_INLINE_CALL_COST): Remove.
13494         (PARAM_EARLY_INLINING_INSNS): New.
13496 2009-05-15  Richard Guenther  <rguenther@suse.de>
13498         * tree-ssa-pre.c (eliminate): Use TODO_update_ssa_only_virtuals,
13499         not TODO_update_ssa.
13501 2009-05-15  Richard Guenther  <rguenther@suse.de>
13503         PR tree-optimization/39999
13504         * gimple.h (gimple_expr_type): Use the expression type looking
13505         through useless conversions.
13506         * tree-ssa-sccvn.c (vn_nary_op_lookup_stmt): Use gimple_expr_type.
13507         (vn_nary_op_insert_stmt): Likewise.
13508         (simplify_binary_expression): Likewise.
13510 2009-05-15  Richard Guenther  <rguenther@suse.de>
13512         * common.opt (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
13513         New options, enabled by default.
13514         * doc/invoke.texi (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
13515         Document.
13516         * tree-ssa-forwprop.c (gate_forwprop): Use flag_tree_forwprop.
13517         * tree-ssa-phiprop.c (gate_phiprop): Use flag_tree_phiprop.
13518         * tree-ssa-structalias.c (gate_tree_pta): New function.
13519         (pass_build_alias): Use it.
13521 2009-05-15  Joseph Myers  <joseph@codesourcery.com>
13523         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Also
13524         recurse on an invariant address if a conversion from a pointer
13525         type to a wider integer type is involved.
13527 2009-05-15  Jan Hubicka  <jh@suse.cz>
13529         * cgraph.c (dump_cgraph_node): Dump size/time/benefit.
13530         * cgraph.h (struct inline_summary): New filed self_wize,
13531         size_inlining_benefit, self_time and time_inlining_benefit.
13532         (struct cgraph_global_info): Replace insns by time ans size fields.
13533         * ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
13534         (ipcp_estimate_growth, ipcp_insert_stage): Likewise.
13535         (ipcp_update_callgraph): Do not touch function bodies.
13536         * ipa-inline.c: Include except.h
13537         (MAX_TIME): New constant.
13538         (overall_insns): Remove
13539         (overall_size, max_benefit): New static variables.
13540         (cgraph_estimate_time_after_inlining): New function.
13541         (cgraph_estimate_size_after_inlining): Rewrite using benefits.
13542         (cgraph_clone_inlined_nodes): Update size.
13543         (cgraph_mark_inline_edge): Update size.
13544         (cgraph_estimate_growth): Use size info.
13545         (cgraph_check_inline_limits): Check size.
13546         (cgraph_default_inline_p): Likewise.
13547         (cgraph_edge_badness): Compute badness based on benefit and size cost.
13548         (cgraph_decide_recursive_inlining): Check size.
13549         (cgraph_decide_inlining_of_small_function): Update size; dump sizes
13550         and times.
13551         (cgraph_decide_inlining): Likewise.
13552         (cgraph_decide_inlining_incrementally): Likewise; honor
13553         PARAM_EARLY_INLINING_INSNS.
13554         (likely_eliminated_by_inlining_p): New predicate.
13555         (estimate_function_body_sizes): New function.
13556         (compute_inline_parameters): Use it.
13557         * except.c (must_not_throw_labels): New function.
13558         * except.h (must_not_throw_labels): Declare.
13559         * tree-inline.c (init_inline_once): Kill inlining_weigths
13560         * tree-ssa-structalias.c: Avoid uninitialized warning.
13561         * params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
13562         (PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
13563         (PARAM_INLINE_CALL_COST): Remove.
13564         (PARAM_EARLY_INLINING_INSNS): New.
13565         doc/invoke.texi (max-inline-insns-auto, early-inlining-insns): Update.
13566         (inline-call-cost): Remove.
13567         (early-inlining-insns): New.
13569 2009-05-15  Eric Botcazou  <ebotcazou@adacore.com>
13571         * dbxout.c (dbxout_range_type): Add LOW and HIGH parameters.  Use them
13572         for bounds.
13573         (print_int_cst_bounds_in_octal_p): Likewise.
13574         (dbxout_type): Adjust calls to above functions.  Be prepared to deal
13575         with subtypes.
13576         * dwarf2out.c (base_type_die): Likewise.
13577         (is_subrange_type): Delete.
13578         (subrange_type_die): Add LOW and HIGH parameters.  Use them for bounds.
13579         (modified_type_die): Call subrange_type_for_debug_p on subtypes.
13580         * fold-const.c (fold_truth_not_expr) <CONVERT_EXPR>: Do not strip it
13581         if the destination type is boolean.
13582         (build_range_check): Do not special-case subtypes.
13583         (fold_sign_changed_comparison): Likewise.
13584         (fold_unary): Likewise.
13585         * langhooks-def.h (LANG_HOOKS_GET_SUBRANGE_BOUNDS): Define.
13586         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_GET_SUBRANGE_BOUNDS.
13587         * langhooks.h (lang_hooks_for_types): Add get_subrange_bounds.
13588         * tree.c (subrange_type_for_debug_p): New predicate based on the
13589         former is_subrange_type.
13590         * tree.h (subrange_type_for_debug_p): Declare.
13591         * tree-chrec.c (avoid_arithmetics_in_type_p): Delete.
13592         (convert_affine_scev): Remove call to above function.
13593         (chrec_convert_aggressive): Likewise.
13594         * tree-ssa.c (useless_type_conversion_p_1): Do not specifically return
13595         false for conversions involving subtypes.
13596         * tree-vrp.c (vrp_val_max): Do not special-case subtypes.
13597         (vrp_val_min): Likewise.
13598         (needs_overflow_infinity): Likewise.
13599         (extract_range_from_unary_expr): Likewise.
13601 2009-05-15  Paolo Bonzini  <bonzini@gnu.org>
13603         * config/frv/frv.h: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
13604         * config/frv/frv.c: Likewise.
13605         * config/s390/s390.c: Likewise.
13606         * config/sparc/sparc.h: Likewise.
13607         * config/i386/i386.h: Likewise.
13608         * config/i386/i386.c: Likewise.
13609         * config/crx/crx.c: Likewise.
13610         * config/m68hc11/m68hc11.h: Likewise.
13611         * config/iq2000/iq2000.c: Likewise.
13612         * config/mn10300/mn10300.h: Likewise.
13613         * config/mn10300/mn10300.c: Likewise.
13614         * config/m68k/m68k.c: Likewise.
13615         * config/rs6000/rs6000.c: Likewise.
13616         * config/rs6000/xcoff.h: Likewise.
13617         * config/rs6000/linux64.h: Likewise.
13618         * config/rs6000/sysv4.h: Likewise.
13619         * config/score/score3.c: Likewise.
13620         * config/score/score7.c: Likewise.
13621         * config/score/score.c: Likewise.
13622         * config/arm/arm.md: Likewise.
13623         * config/mips/mips.c: Likewise.
13624         * config/mips/mips.md: Likewise.
13625         * config/bfin/bfin.h: Likewise.
13626         * config/pa/pa.c: Likewise.
13627         * config/pa/constraints.md: Likewise.
13629         * config/pdp11/pdp11-protos.h (legitimate_address_p): Delete.
13630         * config/pdp11/pdp11.c (legitimate_address_p): Delete.
13631         * config/pdp11/pdp11.h: Use memory_address_p instead.
13633 2009-05-14  Ian Lance Taylor  <iant@google.com>
13635         * passes.c (finish_optimization_passes): Change i to int.
13636         * plugin.c (plugins_active_p): Change event to int.
13637         (dump_active_plugins): Likewise.
13638         * reginfo.c (invalid_mode_change_p): Change to to unsigned int.
13639         Add cast.
13640         * tree.c (tree_range_check_failed): Change c to unsigned int.
13641         (omp_clause_range_check_failed): Likewise.
13642         (build_common_builtin_nodes): Change mode to int.  Add cast.
13643         * config/ia64/ia64.c (is_emitted): Change r to unsigned int.
13644         (ia64_hard_regno_rename_ok, ia64_eh_uses): Likewise.
13646         * c-typeck.c (build_unary_op): If -Wc++-compat, warn about using
13647         ++ or -- with a variable of enum type.
13649 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
13651         PR driver/40144
13652         * opts.c (common_handle_option): Add OPT_fcse_skip_blocks as a no-op.
13654 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
13656         * store-motion.c: Do not include params.h
13657         * Makefile.in: Fix dependencies for various files.
13659 2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>
13661         * auto-inc-dec.c: Fix pass description, remove apparent
13662         accidental duplication.
13664 2009-05-14  H.J. Lu  <hongjiu.lu@intel.com>
13666         PR middle-end/40147
13667         * ipa-utils.h (memory_identifier_string): Moved to ...
13668         * tree.h (memory_identifier_string): Here.  Add GTY(()).
13670 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
13672         * doc/tm.texi (TARGET_LEGITIMATE_ADDRESS_P): Refer mainly to this
13673         in the former documentation of...
13674         (GO_IF_LEGITIMATE_ADDRESS): ... this.
13675         * ira-conflicts.c (get_dup_num): Use address_operand.
13676         * targhooks.c (default_legitimate_address_p): New.
13677         * targhooks.h (default_legitimate_address_p): New.
13678         * reload.c (strict_memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]:
13679         Call hook.
13680         * recog.c (memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]: Call hook.
13681         * target.h (struct target): Add legitimate_address_p.
13682         * target-def.h (TARGET_LEGITIMATE_ADDRESS_P): New.
13683         (TARGET_INITIALIZER): Include it.
13685         * config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
13686         * config/alpha/alpha-protos.h (alpha_legitimate_address_p): Remove.
13687         * config/alpha/alpha.c (alpha_legitimate_address_p): Make static.
13688         (TARGET_LEGITIMATE_ADDRESS_P): New.
13690         * config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
13691         (REG_OK_STRICT_P): Delete.
13692         * config/frv/frv-protos.h (frv_legitimate_address_p): Rename to...
13693         (frv_legitimate_address_p_1): ... this.
13694         * config/frv/frv.c (frv_legitimate_address_p): Forward to...
13695         (frv_legitimate_address_p_1): ... the renamed old
13696         frv_legitimate_address_p.
13697         * config/frv/predicates.md: Adjust calls to frv_legitimate_address_p.
13698         (TARGET_LEGITIMATE_ADDRESS_P): New.
13700         * config/s390/s390.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
13701         * config/s390/s390-protos.h (legitimate_address_p): Remove.
13702         * config/s390/s390.c (legitimate_address_p): Rename to...
13703         (s390_legitimate_address_p): ... this, make static.
13704         (legitimize_address): Adjust call.
13705         (TARGET_LEGITIMATE_ADDRESS_P): New.
13706         * config/s390/constraints.md ("e"): Call strict_memory_address_p.
13708         * config/m32c/m32c.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
13709         * config/m32c/m32c-protos.h (m32c_legitimate_address_p): Remove.
13710         * config/m32c/m32c.c (m32c_legitimate_address_p): Make static.
13711         (TARGET_LEGITIMATE_ADDRESS_P): New.
13713         * config/spu/spu.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
13714         * config/spu/spu-protos.h (spu_legitimate_address): Remove.
13715         * config/spu/spu.c (spu_legitimate_address): Rename to...
13716         (spu_legitimate_address_p): ... this, make static.
13717         (TARGET_LEGITIMATE_ADDRESS_P): New.
13719         * config/sparc/sparc.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
13720         * config/sparc/sparc-protos.h (legitimate_address_p): Remove.
13721         * config/sparc/sparc.c (legitimate_address_p): Rename to...
13722         (sparc_legitimate_address_p): ... this, make static and return bool.
13723         (legitimize_address): Adjust call.
13724         (TARGET_LEGITIMATE_ADDRESS_P): New.
13726         * config/i386/i386.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
13727         * config/i386/i386-protos.h (legitimate_address_p): Remove.
13728         * config/i386/i386.c (legitimate_address_p): Rename to...
13729         (ix86_legitimate_address_p): ... this, make static.
13730         (constant_address_p): Move after it, adjust call.
13731         (TARGET_LEGITIMATE_ADDRESS_P): New.
13733         * config/avr/avr.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
13734         * config/avr/avr-protos.h (legitimate_address_p): Remove.
13735         * config/avr/avr.c (legitimate_address_p): Rename to...
13736         (avr_legitimate_address_p): ... this, make static.
13737         (legitimize_address): Adjust call.
13738         (TARGET_LEGITIMATE_ADDRESS_P): New.
13740         * config/crx/crx.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
13741         * config/crx/crx-protos.h (crx_legitimate_address_p): Remove.
13742         * config/crx/crx.c (crx_legitimate_address_p): Make static.
13743         (TARGET_LEGITIMATE_ADDRESS_P): New.
13745         * config/xtensa/xtensa.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
13746         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): Remove.
13747         * config/xtensa/xtensa.c (xtensa_legitimate_address_p): Make static.
13748         (TARGET_LEGITIMATE_ADDRESS_P): New.
13750         * config/stormy16/stormy16.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
13751         * config/stormy16/stormy16-protos.h (xstormy16_legitimate_address_p):
13752         Remove.
13753         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
13754         Make static.
13755         (TARGET_LEGITIMATE_ADDRESS_P): New.
13757         * config/m68hc11/m68hc11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
13758         * config/m68hc11/m68hc11-protos.h (m68hc11_go_if_legitimate_address):
13759         Remove.
13760         * config/m68hc11/m68hc11.c (m68hc11_go_if_legitimate_address):
13761         Rename to...
13762         (m68hc11_legitimate_address_p): ... this, make static.
13763         (go_if_legitimate_address_internal): Rename to...
13764         (m68hc11_legitimate_address_p_1): ... this.
13765         (legitimize_address): Adjust call.
13766         (TARGET_LEGITIMATE_ADDRESS_P): New.
13768         * config/iq2000/iq2000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
13769         * config/iq2000/iq2000-protos.h (iq2000_legitimate_address_p): Remove.
13770         * config/iq2000/iq2000.c (iq2000_legitimate_address_p): Make static.
13771         (TARGET_LEGITIMATE_ADDRESS_P): New.
13773         * config/mn10300/mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
13774         * config/mn10300/mn10300-protos.h (legitimate_address_p): Remove.
13775         * config/mn10300/mn10300.c (legitimate_address_p): Rename to...
13776         (mn10300_legitimate_address_p): ... this, make static.
13777         (TARGET_LEGITIMATE_ADDRESS_P): New.
13779         * config/m68k/m68k.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
13780         * config/m68k/m68k-protos.h (m68k_legitimate_address_p): Remove.
13781         * config/m68k/m68k.c (m68k_legitimate_address_p): Make static.
13782         (TARGET_LEGITIMATE_ADDRESS_P): New.
13784         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
13785         (REG_OK_STRICT_FLAG, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Delete.
13786         (INT_REG_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P): Move above.
13787         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
13788         * config/rs6000/rs6000-protos.h (rs6000_legitimate_address): Remove.
13789         * config/rs6000/rs6000.c (rs6000_legitimate_address): Rename to...
13790         (rs6000_legitimate_address_p): ... this, make static.
13791         (TARGET_LEGITIMATE_ADDRESS_P): New.
13792         (REG_MODE_OK_FOR_BASE_P): Delete.
13793         (rs6000_legitimize_reload_address): Use INT_REG_OK_FOR_BASE_P.
13795         * config/picochip/picochip.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
13796         * config/picochip/picochip-protos.h (picochip_legitimate_address_p):
13797         Delete.
13798         * config/picochip/picochip.c (picochip_legitimate_address_p): Make
13799         static, adjust types.
13800         (TARGET_LEGITIMATE_ADDRESS_P): New.
13802         * config/score/score.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
13803         * config/score/score.c (score_address_p): Rename to...
13804         (score_legitimate_address_p): ... this.
13805         (TARGET_LEGITIMATE_ADDRESS_P): New.
13806         * config/score/score3.c (score3_address_p): Rename to...
13807         (score3_legitimate_address_p): ... this.
13808         * config/score/score7.c (score7_address_p): Rename to...
13809         (score7_legitimate_address_p): ... this.
13811         * config/arm/arm.h (ARM_GO_IF_LEGITIMATE_ADDRESS,
13812         THUMB2_GO_IF_LEGITIMATE_ADDRESS, THUMB1_GO_IF_LEGITIMATE_ADDRESS,
13813         GO_IF_LEGITIMATE_ADDRESS): Delete.
13814         * config/arm/arm-protos.h (thumb1_legitimate_address_p,
13815         thumb2_legitimate_address_p): Delete.
13816         (arm_legitimate_address_p): Rename to...
13817         (arm_legitimate_address_outer_p): ... this.
13818         * config/arm/constraints.md ("Uq"): Adjust call.
13819         * config/arm/predicates.md (arm_extendqisi_mem_op): Likewise.
13820         * config/arm/arm.c (arm_legitimate_address_p): New, rename old one
13821         to...
13822         (arm_legitimate_address_outer_p): ... this.
13823         (thumb1_legitimate_address_p, thumb2_legitimate_address_p): Make
13824         static.
13825         (TARGET_LEGITIMATE_ADDRESS_P): New.
13827         * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
13828         * config/mips/mips-protos.h (mips_legitimate_address_p): Remove.
13829         * config/mips/mips.c (mips_legitimate_address_p): ... Make static.
13830         (TARGET_LEGITIMATE_ADDRESS_P): New.
13832         * config/vax/vax.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
13833         * config/vax/vax-protos.h (legitimate_address_p): Remove.
13834         * config/vax/vax.c (legitimate_address_p): Rename to...
13835         (vax_legitimate_address_p): ... this, make static.
13836         (TARGET_LEGITIMATE_ADDRESS_P): New.
13838         * config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
13839         * config/h8300/h8300-protos.h (h8300_legitimate_address_p): Remove.
13840         * config/h8300/h8300.c (h8300_legitimate_address_p): ... Make static.
13841         (TARGET_LEGITIMATE_ADDRESS_P): New.
13843         * config/mmix/mmix.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
13844         * config/mmix/mmix-protos.h (mmix_legitimize_address): Remove.
13845         * config/mmix/mmix.c (mmix_legitimate_address): Rename to...
13846         (mmix_legitimate_address_p): ... this, make static.
13847         (TARGET_LEGITIMATE_ADDRESS_P): New.
13849         * config/bfin/bfin.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
13850         * config/bfin/bfin-protos.h (bfin_legitimate_address_p): Remove.
13851         * config/bfin/bfin.c (bfin_legitimate_address_p): ... Make static.
13852         (TARGET_LEGITIMATE_ADDRESS_P): New.
13854 2009-05-14  Paolo Bonzini  <bonzini@gnu.org>
13856         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Remove handling
13857         of MODE_COMPLEX_INT.
13859 2009-05-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
13861         * config/alpha/alpha.c (alpha_initialize_trampoline): Change 0 to
13862         LCT_NORMAL in function call.
13863         * mips-tdump.c (print_file_desc): Add cast to enum type.
13864         * mips-tfile.c (add_ext_symbol): Add casts to enum types.
13865         (mark_stabs): Add casts to enum types.
13866         (parse_stabs_common): Add casts to enum types.
13868 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
13870         * config/mips/mips.c (mips_print_operand) <REG, MEM, default>:
13871         Check for invalid values of LETTER.
13873 2009-05-13  Taras Glek  <tglek@mozilla.com>
13875         * attribs.c (register_attribute): moved out attribute registration
13876         into register_attribute.
13877         * doc/plugins.texi: Documented register_attribute and
13878         PLUGIN_ATTRIBUTES.
13879         * gcc-plugin.h: Added forward decl for register_attribute.
13880         * gcc-plugin.h (plugins_event): Added PLUGIN_ATTRIBUTES.
13881         * plugin.c (register_callback, invoke_plugin_callbacks): Added
13882         PLUGIN_ATTRIBUTES boilerplate.
13884 2009-05-14  Dave Korn  <dave.korn.cygwin@gmail.com>
13886         * config/i386/msformat-c.c (ms_printf_length_specs):  Use enumeration
13887         values even in sentinel and empty entries.
13888         (ms_printf_flag_specs):  Likewise.
13889         (ms_scanf_flag_specs):  Likewise.
13890         (ms_strftime_flag_specs):  Likewise.
13891         (ms_print_char_table):  Likewise.
13892         (ms_scan_char_table):  Likewise.
13893         (ms_time_char_table):  Likewise.
13895 2009-05-13  Doug Kwan  <dougkwan@google.com>
13897         * tree-ssa-sccvn.c (compare_ops): Stabilize qsort.
13899 2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>
13901         * config/mips/mips.md (store): Add attributes for QI and HI.
13902         Update comment.
13903         (truncdisi2, truncdihi2, truncdiqi2): Merge these into ...
13904         (truncdi<mode>2): ... this new pattern.
13906 2009-05-13  Brad Hards  <bradh@kde.org>
13908         * Makefile.in (TEXI_GCCINT_FILES): Add plugins.texi.
13910 2009-05-14  Jakub Jelinek  <jakub@redhat.com>
13911             Ben Elliston <bje@au.ibm.com>
13913         PR middle-end/40035
13914         * dse.c (check_mem_read_rtx): Guard against width == -1.
13916 2009-05-13  Michael Matz  <matz@suse.de>
13918         PR middle-end/39976
13919         * tree-outof-ssa.c (maybe_renumber_stmts_bb): New function.
13920         (trivially_conflicts_p): New function.
13921         (insert_backedge_copies): Use it.
13923 2009-05-13  Janis Johnson  <janis187@us.ibm.com>
13925         * c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_.
13926         (handle_stdc_pragma): Use new enum constant names.
13927         (handle_pragma_float_const_decimal64): Ditto.
13929 2009-05-13  Ian Lance Taylor  <iant@google.com>
13931         * Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
13932         tree.def.
13934 2009-05-13  Nathan Sidwell  <nathan@codesourcery.com>
13936         * config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX.
13937         * config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455
13938         multilibs.
13939         * config/m68k/m68k.h (FL_UCLINUX): Define.
13941 2009-05-13  Jan Hubicka  <jh@suse.cz>
13943         * options.c (gfc_post_options): -fwhole-program imply -fwhole-file.
13945 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
13947         * config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
13948         unless -fschedule-insns is specified.
13950 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
13952         PR target/39561
13953         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
13954         TARGET_EXPAND_CBRANCHDI4.
13955         * config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
13956         * config/sh/sh.opt (mexpand-cbranchdi): Remove.
13957         (cmpeqdi): Fix comment.
13959 2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
13961         * config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
13962         (sh_legitimate_address_p): Likewise.
13963         * config/sh/sh.c (sh_legitimate_index_p): New.
13964         (sh_legitimate_address_p): Likewise.
13965         * config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
13966         (REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
13967         (MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
13968         (MAYBE_BASE_REGISTER_RTX_P): New macro.
13969         (MAYBE_INDEX_REGISTER_RTX_P): Likewise.
13970         (BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
13971         (INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
13972         (GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
13973         (GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.
13975 2009-05-12  Jan Hubicka  <jh@suse.cz>
13977         * tree-inline.c (estimate_operator_cost): Add operands;
13978         when division happens by constant, it is cheap.
13979         (estimate_num_insns): Loads and stores are not having cost of 0;
13980         EH magic stuff is cheap; when computing runtime cost of switch,
13981         use log2 base of amount of its cases; builtin_expect has cost of 0;
13982         compute cost for moving return value of call.
13983         (init_inline_once): Initialize time_based flags.
13984         * tree-inline.h (eni_weights_d): Add time_based flag.
13986 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
13988         * df-core.c: Update head documentation.
13990 2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>
13992         PR bootstrap/40118
13993         * rs6000.c (rs6000_generate_compare): Use op1b instead of
13994         shadowing exisiting variable op1.
13996 2009-05-12  Uros Bizjak  <ubizjak@gmail.com>
13998         PR target/37179
13999         * config/i386/driver-i386.c (processor_signatures): New enum.
14000         (SIG_GEODE): Move from vendor_signatures to processor_signatures.
14001         (host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
14002         processor signature to detect geode processor.
14004 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
14006         Revert:
14008         2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
14010         * optabs.c (prepare_cmp_insn): Temporarily disable test that
14011         causes spurious differences between trunk and cond-optab branch.
14013 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
14015         * dojump.c (compare_from_rtx): Delete.
14016         * expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
14017         any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
14018         if the comparison does not satisfy the predicate; test predicates for
14019         operands 2 and 3 of a cstore pattern.  Don't try cstore optab
14020         further if one existing pattern fails.
14021         * expr.h (compare_from_rtx): Delete.
14022         (prepare_operand): Declare it.
14023         * optabs.c: Change "lib call" to "libcall" throughout.
14024         (bcc_gen_fctn, setcc_gen_code, trap_rtx,
14025         HAVE_conditional_trap, emit_cmp_insn): Delete.
14026         (can_compare_p): Delete cmp_optab case.
14027         (prepare_float_lib_cmp): Return an rtx and a machine mode.
14028         Accept other parameters by value.
14029         (prepare_operand): Make non-static.
14030         (prepare_cmp_insn): Return an rtx and a machine mode.  Accept
14031         other parameters by value.  Try to widen operands here based on
14032         an optab_methods argument and looking at cbranch_optab.
14033         (emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
14034         loop.  Use cbranch_optab directly.
14035         (emit_cmp_and_jump_insns): Fix comment.  Adjust call to
14036         prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
14037         assertion.
14038         (emit_conditional_move, emit_conditional_add): Inline what's needed
14039         of compare_from_rtx, using new prepare_cmp_insn for the rest.
14040         (init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
14041         with COMPARE.  Move cmov_optab and cstore_optab above
14042         with cbranch_optab, move cmp_optab down with ucmp_optab,
14043         remove tst_otpab.  Do not initialize trap_rtx.
14044         (gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
14045         for trap code.  Do not check HAVE_conditional_trap.  Use
14046         prepare_cmp_insn.  Accept no predicate for operand 3.
14047         * optabs.h (OTI_cmp): Mark as used only for libcalls.
14048         (OTI_ctrap, ctrap_optab): New.
14049         (tst_optab): Delete.
14050         (bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
14051         * ifcvt.c (find_if_header): Replace HAVE_conditional_trap
14052         with lookup of ctrap_optab.
14053         * genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn, setcc_gen_code):
14054         Delete.
14055         (ctrap_optab): New.
14057         * combine.c (combine_simplify_rtx, simplify_set): Do not
14058         special case comparing against zero for cc0 machines.
14059         * simplify-rtx.c (simplify_binary_operation_1): Never remove
14060         COMPARE on cc0 machines.
14061         (simplify_relational_operation): Return a new expression when
14062         a COMPARE could be removed.
14063         * final.c (final_scan_insn): Compare cc_status values
14064         against LHS of a (compare FOO (const_int 0)) cc0 source.
14065         Also check if cc_status.value is the full compare.
14067         * doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
14068         (cstoreMM4): Document.
14069         (conditional_trap): Document ctrapMM4 instead.
14070         (sync_compare_and_swapMM): Refer to cbranchcc4.
14071         (Dependent Patterns): Eliminate obsolete information referring to
14072         the old jump optimization phase.
14073         (Canonicalization): Include cbranchcc4 case, omit canonicalization
14074         of compares with 0 on cc0 machines.
14075         (Jump Patterns): Refer to MODE_CC jump patterns preferably,
14076         avoiding references to cc0.  Remove text about storing operands
14077         in cmpMM.
14078         * doc/tm.texi (Condition Codes): Include blurb on different
14079         condition code representations, separate into subsections for
14080         CC0, MODE_CC and conditional execution.
14082         * config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
14083         alpha_emit_setcc): Accept operands and a machine mode.
14084         * config/alpha/alpha.c (alpha_emit_conditional_branch):
14085         Get code/op0/op1 from operands, use machine mode argument
14086         instead of alpha_compare.fp_p.  Emit the branch here.
14087         (alpha_emit_setcc): Likewise, and return boolean.
14088         (alpha_emit_conditional_move): Likewise.  Assert that
14089         cmp_op_mode == cmp_mode, and simplify accordingly.
14090         * config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
14091         * config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
14092         (cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
14093         Delete.
14094         (stack probe test): Use cbranchdi4.
14095         * config/alpha/predicates.md (alpha_cbranch_operator): New.
14097         * config/arc/arc.c (gen_compare_reg): Do not emit cmp.
14098         * config/arc/arc.h (movsicc, movsfcc): Use it.
14099         (movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
14100         (cbranchsi4, cstoresi4): New.
14101         (cmpsi, bCC and sCC expanders): Remove.
14103         * config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
14104         * config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
14105         * config/arm/predicates.md (arm_comparison_operator): Only include
14106         floating-point operators if there is a hardware floating-point unit.
14107         * config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
14108         deferring to cbranch_cc and cstore_cc respectively.
14109         (cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
14110         cbranch_cc, cstore_cc): New.
14111         (movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
14112         arm_compare_op1.
14113         (bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.
14115         * config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
14116         * config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
14117         as an argument.
14118         (adjust_insn_length): Adjust calls.
14119         (avr_reorg): Handle (compare (foo) (const_int 0)).
14120         * config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
14121         (*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
14122         (*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
14123         (cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
14124         (bCC): Remove.
14125         (cbranchqi4, cbranchhi4, cbranchsi4): New.
14126         (tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.
14128         * config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
14129         (cbranchsi4, cstorebi4, cstoresi4): New.
14130         (movbisi): This insn is duplicate, split it to zero_extend.
14131         * config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
14132         (bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
14133         (bfin_optimize_loop): Use cbranch expander.
14134         * config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
14135         * config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
14136         (bfin_bimode_comparison_operator): ... this.
14137         (bfin_direct_comparison_operator): New.
14139         * config/cris/cris.c (cris_normal_notice_update_cc): Look
14140         inside (compare FOO (const_int 0)).
14141         (cris_rtx_costs): Handle ZERO_EXTRACT.
14142         * config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
14143         (*tstdi_non_v32): Fold in *cmpdi_non_v32.
14144         (*tstdi_v32): Delete.
14145         (*cmpdi_non_v32): Add M alternative for operand 1.
14146         (cmpsi, cmp<mode>): Make private.
14147         (*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
14148         with COMPARE.
14149         (cbranch<mode>4, cbranchdi4, cstore<mode>4): New.
14151         * config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
14152         (cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
14153         (cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
14154         (cc_reg_operand): New.
14155         (any_cond): Delete.
14156         * config/crx/crx.c (crx_compare_op0, crx_compare_op1,
14157         crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
14158         * config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
14159         * config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
14160         crx_expand_scond): Delete.
14162         * config/fr30/fr30.md (cmp<mode>, bCC): Delete.
14163         (cbranchsi4): New.
14164         * config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
14165         * config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.
14167         * config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
14168         cstoresi4, cstoresf4, cstoredf4): New.
14169         (cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
14170         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
14171         Receive the entire operands array.
14172         * config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
14173         * config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
14174         * config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
14175         Get test/op0/op1 from the operands array.
14176         (frv_emit_cond_move): Get test/op0/op1 from the test_rtx.
14178         * config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
14179         (h8300_expand_store): New.
14180         * config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
14181         (const_int 0)).
14182         (h8300_expand_branch): Emit compare here.  Adjust for new arguments.
14183         (h8300_expand_store): New.
14184         * config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
14185         or do not try to produce (set (cc0) REG).
14186         (peepholes): Wrap arguments with COMPARE.  Add a peephole to
14187         change a compare into a move to a scratch register.  Disable some
14188         peepholes when comparing with zero.
14189         (tstsi, tsthi, tstsi, cmpqi): Make private.
14190         (cmphi): Delete.
14191         (bCC, sCC): Delete.
14192         (cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
14193         cstoresi4): New.
14195         * config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
14196         ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
14197         (ix86_emit_i387_log1p): Use gen_cbranchxf4.
14198         (ix86_emit_i387_log1p): Use cbranchxf2.
14199         (ix86_expand_setcc): Return void.
14200         * config/i386/i386-protos.h (ix86_expand_setcc): Return void.
14201         * config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
14202         cmp<MODEF>, cmpcc): Remove.
14203         (cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
14204         cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
14205         cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
14206         (sCC and bCC expanders): Remove.
14207         (stack_protect_test): Use cbranchcc4.
14209         * config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
14210         Delete.
14211         (ia64_expand_compare): Accept three rtx by reference and return void.
14212         * config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
14213         (ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
14214         from *expr.  Update *expr with the BImode comparison to do.
14215         * config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
14216         cmptf, bCC, sCC, conditional_trap): Delete.
14217         (cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4,
14218         cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
14219         cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
14220         ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
14221         * config/ia64/predicates.md (ia64_cbranch_operator): New.
14223         * config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
14224         type of last argument.
14225         * config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
14226         (gen_conditional_branch): Get code/cmp0/cmp1 from operands,
14227         use machine mode argument instead of branch_type.  Remove dead
14228         code for floating-point comparisons.
14229         * config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
14230         * config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
14231         Remove.
14232         (cbranchsi4, cstoresi4): New.
14233         * config/iq2000/predicates.md (reg_or_const_operand): New.
14235         * config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
14236         * config/m32c/m32c.md (any_cond, gl_cond): Delete.
14237         (b<code>_op): Rewrite to...
14238         (bcc_op): ... this, using match_operator.
14239         (s<code>_op): Rewrite to...
14240         (scc_op): ... this, using match_operator.
14241         (s<code>_24_op): Rewrite to...
14242         (scc_op_24): ... this, using match_operator.
14243         (s<code>_<mode>): Rewrite to...
14244         (cstore<mode>4): ... this, using match_operator.
14245         (s<code>_<mode>_24): Rewrite to...
14246         (cstore<mode>4_24): ... this, using match_operator.
14247         * config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
14248         m32c_unpend_compare, m32c_expand_scc): Delete.
14249         * config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
14250         m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
14251         (m32c_expand_movcc): Change NE to EQ if necessary.
14252         (m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.
14254         * config/m32r/m32r-protos.h (gen_cond_store): New.
14255         * config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
14256         (gen_cond_store): New, from sCC patterns.
14257         (m32r_expand_block_move): Use cbranchsi4.
14258         * config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
14259         * config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
14260         (cbranchsi4, cstoresi4): New.
14262         * config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
14263         Delete.
14264         (m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
14265         (m68hc11_notice_update_cc): Look into a compare with 0.
14266         * config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
14267         Delete.
14268         * config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
14269         cmphi, cmpqi, bCC): Delete.
14270         (cbranchsi4, cbranchhi4, cbranchqi4): New.
14271         (tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
14272         bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
14273         sets with COMPARE.
14275         * config/m68k/predicates.md (m68k_cstore_comparison_operator,
14276         const0_operand, const1_operand, m68k_subword_comparison_operand): New.
14277         * config/m68k/constraints.md (H): New.
14278         * config/m68k/m68k.md (tstdi): Remove define_expand, use name for
14279         the define_insn below.
14280         (tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
14281         (*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
14282         *tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
14283         patterns): Wrap RHS with COMPARE.
14284         (tst<FP>_68881, tst<FP>_cf): Use const0_operand.
14285         (*cmpdi_internal): Name this pattern.
14286         (cmpdi): Change to define_insn.
14287         (cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
14288         cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
14289         (scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
14290         predicate.
14291         (seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
14292         sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
14293         (conditional_trap): Change to...
14294         (ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
14295         (*conditional_trap): Use the ordered_comparison_operator and
14296         const1_operand predicates.
14297         * config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
14298         (m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
14299         (m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
14300         * config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.
14302         * config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
14303         mcore_modify_comparison, mcore_gen_compare_reg): Remove.
14304         (mcore_gen_compare): New.
14305         * config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
14306         (mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
14307         (mcore_gen_compare): ... this.
14308         * config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
14309         (cbranchsi4, cstoresi4): New, using mcore_gen_compare.
14310         (stack probe pattern): Use cbranchsi4.
14312         * config/mips/predicates.md (mips_cstore_operator): New.
14313         * config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
14314         * config/mips/mips.md (any_cond): Delete.
14315         (conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
14316         always succeed.
14317         (fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
14318         fixuns_truncsfdi2): Use cbranch patterns.
14319         (cmp<GPR:mode>, cmp<SCALARF:mode>): Delete.
14320         (b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
14321         Adjust call to mips_expand_conditional_branch.
14322         (seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
14323         cstore<GPR:mode>4.
14324         * config/mips/mips-protos.h (mips_expand_conditional_branch,
14325         mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
14326         * config/mips/mips.c (cmp_operands): Delete.
14327         (mips_emit_compare): Get comparison operands from *op0/*op1.
14328         (mips_expand_scc): Get code/op0/op1/target from operands.  Assert
14329         that it succeeds.  Use op0/op1 instead of cmp_operands.
14330         (mips_expand_conditional_branch, mips_expand_conditional_move,
14331         mips_expand_conditional_trap): Likewise.
14332         (mips_block_move_loop): Use cbranch patterns.
14333         * config/mips/mips.h (cmp_operands): Delete.
14335         * config/mmix/mmix.c (mmix_valid_comparison): Delete.
14336         (mmix_gen_compare_reg): Just return a register in the right CC mode.
14337         * config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
14338         * config/mmix/mmix.md (cmpdi, cmpdf): Remove.
14339         (*cmpcc_folded): Rename to...
14340         (*cmpdi_folded): this.
14341         (*cmpcc): Rename to...
14342         (*cmps): ... this.
14343         (movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
14344         (bCC): Remove.
14345         (cbranchdi4): New.
14346         (cbranchdf4): New.  Handle invalid comparisons here.
14347         * config/mmix/predicates.md (float_comparison_operator): New.
14349         * config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
14350         zero_extract to be cheap in (compare (zero_extract) (const_int 0).
14351         * config/mn10300/mn10300.md (tst): Delete.
14352         (*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
14353         Name these patterns and wrap RHS in a compare.
14354         (*cmpsi): Make this pattern private.  Include tst.
14355         (*cmpsf): Make this pattern private.
14356         (and and zero_extract cc0 set): Wrap RHS in a COMPARE.
14357         (compare with zero peepholes): Likewise.
14358         (bCC): Remove.
14359         (cbranchsi4, cbranchsf4): New.
14360         (casesi): Use cbranchsi4.
14362         * config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
14363         hppa_branch_type): Delete.
14364         (return_addr_rtx): Use cbranchsi4.
14365         (emit_bcond_fp): Accept all operands.  Replace CODE with NE.
14366         Emit CCFPmode comparison here.
14367         (gen_cmp_fp): Delete, now part of emit_bcond_fp.
14368         * config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
14369         hppa_branch_type): Delete.
14370         * config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
14371         (movsicc, movdicc): Remove references to hppa_compare_op0,
14372         hppa_compare_op1 and compare_from_rtx.
14373         (cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
14374         (casesi): Use cbranchsi4.
14376         * config/pdp11/pdp11-protos.h (output_jump): Change prototype.
14377         * config/pdp11/pdp11.c (output_jump): Embed opcodes here.
14378         * config/pdp11/pdp11.md (register_or_const0_operand): New.
14379         (cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
14380         (cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
14381         (bCC): Delete.
14382         (cbranchdf4, cbranchhi4, cbranchqi4): New.
14383         (*branch, *branch_inverted): New.
14385         * config/picochip/picochip.md (cbranchhi4): Use
14386         ordered_comparison_operator.
14387         (cmphi, bCC): Remove.
14389         * config/rs6000/predicates.md (rs6000_cbranch_operator): New.
14390         (trap_comparison_operator): Delete.
14391         * config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
14392         rs6000_emit_cbranch): Accept mode and operands.
14393         * config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
14394         rs6000_compare_fp_p): Delete.
14395         (rs6000_generate_compare): Accept mode and comparison.  Extract code
14396         and op0/op1 from there.  Replace references to rs6000_compare_op0
14397         and rs6000_compare_op1.
14398         (rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
14399         extract result from passed operands.
14400         (rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
14401         extract loc from passed operands.
14402         (rs6000_emit_cmove): Likewise.
14403         * config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
14404         rs6000_compare_fp_p): Delete.
14405         * config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
14406         (cbranch<GPR>4, cbranch<FP>4): New.
14407         (cstore<mode>4): New.  Consolidate here all choices about when to use
14408         portable or specialized sCC sequences.
14409         (stack_protect_test): Use cbranchsi4.
14410         (conditional_trap): Replace with ctrap<GPR>4.
14411         (conditional trap insn): Replace trap_comparison_operator with
14412         ordered_comparison_operator.
14414         * config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
14415         (s390_emit_prologue): Use ctrap.
14416         * config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
14417         * config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
14418         New predicates replacing...
14419         * config/s390/s390.md (COMPARE, SCOND): ... these iterators.
14420         (cmp<GPR>, cmp<FP>, cmpcc): Delete.
14421         (trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
14422         (add<mode>cc): Do not use s390_compare_op0/op1.
14423         (s<code>): Change to...
14424         (cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
14425         (seq): Change to...
14426         (cstorecc4): ... this.  Handle EQ or NE equally.
14427         (*sne): Un-privatize for use in cstorecc4.
14428         (b<code>): Change to...
14429         (cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
14430         (conditional_trap): Replace with...
14431         (ctrap<GPR>4, ctrap<FP>4): ... these.
14432         (stack_protect): Use cbranchcc4.
14434         * config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
14435         * config/score/score-protos.h (score_gen_cmp): Delete.
14436         * config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
14437         (score_block_move-loop): Use cbranchsi4.
14438         * config/score/score.md (cbranchsi4): New.
14439         (cmpsi, bCC): Delete.
14440         * config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
14441         (score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
14442         * config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
14443         (score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
14444         * config/score/score3.h (score3_gen_cmp): Delete.
14445         * config/score/score7.h (score7_gen_cmp): Delete.
14447         * config/sh/sh-protos.h (prepare_scc_operands): Rename to...
14448         (sh_emit_scc_to_t): ... this.  Return void.
14449         (from_compare): Rename to...
14450         (sh_emit_compare_and_branch): ... this.
14451         (sh_emit_compare_and_set): New.
14452         (sh_expand_t_scc): Accept operands.
14453         * config/sh/predicates.md (sh_float_comparison_operator): New.
14454         * config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
14455         (prepare_scc_operands): Rename to...
14456         (sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
14457         arguments.
14458         (sh_emit_cheap_store_flag): New.
14459         (sh_emit_set_t_insn): New.
14460         (from_compare): Rename to...
14461         (sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
14462         handling of TARGET_SH2E floating point to avoid recursive call.
14463         Generate branch here.
14464         (sh_emit_compare_and_set): New.
14465         (sh_expand_t_scc): Get op0/op1 from arguments.
14466         (sh_emit_cheap_store_flag): New.
14467         * config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
14468         cases.
14469         (cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
14470         (cmpsi, cmpdi, cmpsf, cmpdf): Delete.
14471         (movsicc, movdicc): Do nothing when it recreated operands from
14472         sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
14473         prepare_scc_operands (now sh_emit_scc_to_t).
14474         (udivdi3): Use cstoresi4.
14475         (beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
14476         bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
14477         (cbranchint4_media, cbranchfp4_media): New.
14478         (casesi): Use cbranchdi4.
14479         (seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
14480         Delete.
14481         (cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
14482         (movnegt): Remove second operand.
14483         (cbranchsf4, cbranchdf4): New.
14484         (stack_protect): Use cbranchdi4/cbranchsi4.
14486         * config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
14487         (gen_compare_reg): Accept comparison, extract part of it to...
14488         (gen_compare_reg_1): ... this.
14489         (gen_compare_operator): Delete.
14490         (gen_v9_scc): Accept separate destination, comparison code and arms.
14491         Do not use sparc_compare_op0/sparc_compare_op1.
14492         (emit_scc_insn, emit_conditional_branch_insn): New.
14493         (emit_v9_brxx): Make static.  Remove useless assertion.
14494         (sparc_emit_float_lib_cmp): Return RTL instead of calling
14495         emit_cmp_insn.
14496         (sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
14497         * config/sparc/sparc-protos.h (gen_compare_reg,
14498         sparc_emit_float_lib_cmp): Adjust prototype.
14499         (emit_scc_insn, emit_conditional_branch_insn): New.
14500         (gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
14501         * config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
14502         * config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
14503         iterators to the top.
14504         (cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
14505         snesi_special_extend, sCC, bCC, seqdi_special_trunc,
14506         snedi_special_trunc): Delete.
14507         (seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
14508         and snedi_special_trunc.
14509         (cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
14510         cbranchdi4, cbranch<F:mode>4): New.
14511         (mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
14512         here.  Use gen_compare_reg instead of gen_compare_operator.
14513         (conditional_trap): Replace with...
14514         (ctrapsi4, ctrapdi4): ... this.
14515         (stack_protect_test): Use cbranchcc4.
14517         * config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
14518         argument to rtx.
14519         * config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove.
14520         (spu_emit_branch_or_set): Get code/op0/op1 from second argument.
14521         Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
14522         from operands[0] or operands[3] depending on is_set.
14523         * config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
14524         * config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
14525         cmpdf, bCC), sCC: Remove.
14526         (cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4,
14527         cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
14528         cstoredf4): New.
14529         (mov<mode>cc): Accept ordered_comparison_operator, adjust call to
14530         spu_emit_branch_or_set.
14532         * config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
14533         Add two arguments.
14534         * config/stormy16/stormy16.h (xstormy16_compare_op0,
14535         xstormy16_compare_op1): Delete.
14536         * config/stormy16/stormy16.c (xstormy16_compare_op0,
14537         xstormy16_compare_op1): Delete.
14538         (xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
14539         Adjust calls.
14540         * config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
14541         (cmphi, cmpsi, bCC): Remove.
14543         * config/v850/v850.md (tstsi, cmpsi): Fold into...
14544         (*cmpsi): ... this one.
14545         (cbranchsi4, cstoresi4): New.
14546         (bCC expanders): Delete.
14547         (sCC insns): Fold into...
14548         (*setcc): ... this one.
14549         (casesi): Do not use gen_cmpsi and gen_bgtu.
14550         (various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
14551         (movsicc): Simplify.
14552         * config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.
14554         * config/vax/vax-protos.h (cond_name): New.
14555         (vax_output_conditional_branch): Remove.
14556         * config/vax/vax.c (cond_name): New.
14557         (vax_output_conditional_branch): Remove.
14558         * config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
14559         * config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
14560         (cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
14561         (bit<VAXint>): Wrap source with (compare).
14562         (b<code> and following unnamed pattern): Rename to *branch and
14563         *branch_reversed.  Change macroization to match_operator.
14564         (cbranch<VAXint>4, cbranch<VAXfp>4): New.
14566         * config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
14567         * config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
14568         Change last argument to machine_mode.
14569         (xtensa_expand_scc): Add machine_mode argument.
14570         * config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
14571         (gen_conditional_move, xtensa_expand_conditional_branch,
14572         xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
14573         instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
14574         Adjust operand numbers.
14575         * config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
14576         Delete.
14577         * config/xtensa/xtensa.md (any_cond, any_scc): Delete.
14578         (cmpsi, cmpsf, b<code>, s<code>): Delete.
14579         (cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.
14581 2009-05-12  Paolo Bonzini  <bonzini@gnu.org>
14583         * optabs.c (prepare_cmp_insn): Temporarily disable test that
14584         causes spurious differences between trunk and cond-optab branch.
14586 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
14588         PR target/37137
14589         * doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.
14591 2009-05-12  Alexandre Oliva  <aoliva@redhat.com>
14593         * tree.c (iterative_hash_pointer): Delete.
14594         (iterative_hash_expr): Short-circuit handling of NULL pointer.
14595         Hash UIDs and versions of SSA names.  Don't special-case built-in
14596         function declarations.
14598 2009-05-11  Ian Lance Taylor  <iant@google.com>
14600         PR bootstrap/40103
14601         * graphite.c: Force -Wc++-compat to only be a warning before
14602         #including "cloog/cloog.h".
14604 2009-05-11  Martin Jambor  <mjambor@suse.cz>
14606         * ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.
14608 2009-05-11  Jan Hubicka  <jh@suse.cz>
14610         * tree-ssa-loop-ivcanon.c: Include target.h
14611         (struct loop_size): new structure.
14612         (constant_after_peeling): New predicate.
14613         (tree_estimate_loop_size): New function.
14614         (estimated_unrolled_size): Rewrite for new estimates.
14615         (try_unroll_loop_completely): Use new estimates.
14616         * Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h
14618 2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14620         * config/spu/spu-c.c (spu_categorize_keyword): Update for recent
14621         libcpp interface change.
14622         (spu_macro_to_expand): Likewise.
14624 2009-05-11  Paolo Bonzini  <bonzini@gnu.org>
14626         PR tree-optimization/40026
14627         * gimplify.c (gimplify_init_constructor): Change initial conditional
14628         to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
14629         optimize_compound_literals_in_ctor.
14631 2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>
14633         * config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
14634         New devices.
14635         * doc/invoke.texi (M680x0 Options): Document new coldfire cpus.
14637 2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>
14639         * tree-vect-data-refs.c (vect_analyze_group_access): Use
14640         HOST_WIDE_INT for gap.
14642 2009-05-11  Ira Rosen  <irar@il.ibm.com>
14644         PR tree-optimization/40074
14645         * tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
14646         account in group size and step comparison.
14648 2009-05-11  Richard Guenther  <rguenther@suse.de>
14650         * passes.c (init_optimization_passes): Strip now incorrect comment.
14651         (execute_function_todo): Do not set PROP_alias.
14652         * tree-pass.h (PROP_alias): Remove.
14653         * tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
14654         * tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
14655         * tree-nrv.c (pass_return_slot): Likewise.
14656         * tree-object-size.c (pass_object_sizes): Likewise.
14657         * tree-ssa-dom.c (pass_dominator): Likewise.
14658         (pass_phi_only_cprop): Likewise.
14659         * tree-ssa-dse.c (pass_dse): Likewise.
14660         * tree-ssa-phiopt.c (pass_phiopt): Likewise.
14661         (pass_cselim): Likewise.
14662         * tree-ssa-pre.c (pass_pre): Likewise.
14663         (pass_fre): Likewise.
14664         * tree-ssa-reassoc.c (pass_reassoc): Likewise.
14665         * tree-ssa-sink.c (pass_sink_code): Likewise.
14666         * tree-stdarg.c (pass_stdarg): Likewise.
14667         * tree-tailcall.c (pass_tail_calls): Likewise.
14668         * tree-vrp.c (pass_vrp): Likewise.
14670 2009-05-10  Ian Lance Taylor  <iant@google.com>
14672         * basic-block.h (enum profile_status): Break out of struct
14673         control_flow_graph.
14674         * cgraph.h (struct inline_summary): Break out of struct
14675         cgraph_local_info.
14676         * cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
14677         of struct cgraph_order_sort.
14678         * combine.c (enum undo_kind): New enum, broken out of struct undo.
14679         * cse.c (struct branch_path): Break out of struct
14680         cse_basic_block_data.
14681         * except.h (enum eh_region_type): Break out of struct eh_region.
14682         * gcc.c (enum add_del): Break out of struct modify_target.
14683         * genrecog.c (enum decision_type): Break out of struct decision_test.
14684         * ggc-page.c (struct ggc_pch_ondisk): Break out of struct
14685         ggc_pch_data.
14686         * matrix-reorg.c (struct free_info): Break out of struct matrix_info.
14687         * regmove.c (enum match_use): New enum, broken out of struct match.
14688         * sched-int.h (enum post_call_group): New enum, broken out of
14689         struct deps.
14690         (struct deps_reg): Break out of struct deps.
14691         * target.h (struct asm_int_op): Break out of struct gcc_target.
14692         * tree-eh.c (struct goto_queue_node): Break out of struct
14693         leh_tf_state.
14694         * tree-inline.h (enum copy_body_cge_which): Break out of
14695         copy_body_data.
14696         * tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.
14698         * c-decl.c (in_struct, struct_types): New static variables.
14699         (pushtag): Add loc parameter.  Change all callers.
14700         (lookup_tag): Add ploc parameter.  Change all callers.
14701         (check_compound_literal_type): New function.
14702         (parser_xref_tag): Add loc parameter.  Change all callers.  If
14703         -Wc++-compat, warn about struct/union/enum types defined within a
14704         struct or union.
14705         (start_struct): Add enclosing_in_struct, enclosing_struct_types,
14706         and loc parameters.  Change all callers.  Change error calls to
14707         error_at, using loc.  For a redefinition, if the location of the
14708         original definition is known, report it.  Set in_struct and
14709         struct_types.  If -Wc++-compat warn if in sizeof, typeof, or alignof.
14710         (finish_struct): Add new parameters enclosing_in_struct and
14711         enclosing_struct_types.  Change all callers.  Set
14712         C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
14713         in the struct.  If in a struct, add this struct to struct_types.
14714         (start_enum): Add loc parameter.  Change all callers.  Use
14715         error_at for errors, using loc.  For a redefinition, if the
14716         location of the original definition is known, report it.  If in a
14717         struct, add this enum type to struct_types.  If -Wc++-compat warn
14718         if in sizeof, typeof, or alignof.
14719         * c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
14720         (enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
14721         (c_parser_enum_specifier): Get enum location for start_enum.
14722         (c_parser_struct_or_union_specifier): Get struct location for
14723         start_struct.  Save in_struct and struct_types status between
14724         start_struct and finish_struct.
14725         (c_parser_cast_expression): Get location of cast.
14726         (c_parser_alignof_expression): Get location of type.
14727         (c_parser_postfix_expression): Likewise.
14728         (c_parser_postfix_expression_after_paren_type): Add type_loc
14729         parameter.  Change all callers.  Call check_compound_literal_type.
14730         Use type_loc for error about variable size type.
14731         * c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
14732         of an enum constant from an enum type defined in a struct or union.
14733         (c_cast_expr): Add loc parameter.  Change all callers.  If
14734         -Wc++-compat, warn about defining a type in a cast.
14735         * c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
14736         (start_enum, start_struct, finish_struct): Update declarations.
14737         (parser_xref_tag, c_cast_expr): Update declarations.
14738         (check_compound_literal_type): Declare.
14740 2009-05-11  Ben Elliston  <bje@au.ibm.com>
14742         * config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
14743         for recent libcpp interface change.
14744         (rs6000_macro_to_expand): Likewise.
14746 2009-05-10  Michael Matz  <matz@suse.de>
14748         PR target/40031
14749         * config/arm/arm.c (require_pic_register): Emit on entry edge,
14750         not at entry of function.
14752 2009-05-10  Richard Guenther  <rguenther@suse.de>
14754         PR tree-optimization/40081
14755         Revert
14756         * tree-sra.c (instantiate_element): Instantiate scalar replacements
14757         using the main variant of the element type.  Do not fiddle with
14758         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
14760         * tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
14761         structs with volatile fields.
14763 2009-05-10  Jan Hubicka  <jh@suse.cz>
14765         * tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
14766         (estimate_move_cost): Assert that it does not get called for
14767         VOID_TYPE_P.
14768         (estimate_num_insns): Skip VOID types in argument handling.
14769         (optimize_inline_calls): Delete unreachable blocks and verify that
14770         callgraph is valid.
14772 2009-05-10  Jan Hubicka  <jh@suse.cz>
14774         * cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
14775         * cgraph.c (cgraph_mark_address_taken_node): New function.
14776         (dump_cgraph_node): Dump new flag.
14777         * cgraph.h (struct cgraph_node): Add address_taken.
14778         (cgraph_mark_address_taken_node): New function.
14779         * ipa.c (cgraph_postorder): Prioritize functions with address taken
14780         since new direct calls can be born.
14782 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
14784         * c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
14785         tok->val.node.node.
14787 2009-05-10  Jan Hubicka  <jh@suse.cz>
14789         PR middle-end/40084
14790         * cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
14791         argument; rewrite.
14792         (cgraph_update_edges_for_call_stmt): Take old_decl argument.
14793         * cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
14794         * tree-inline.c (copy_bb): Set frequency correctly.
14795         (fold_marked_statements): Update call to
14796         cgraph_update_edges_for_call_stmt.
14798 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
14800         * config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
14801         identifiers in diagnostics.
14802         * config/arm/arm.c (arm_handle_fndecl_attribute,
14803         arm_handle_isr_attribute): Likewise.
14804         * config/avr/avr.c (avr_handle_progmem_attribute,
14805         avr_handle_fndecl_attribute, avr_handle_fntype_attribute): Likewise.
14806         * config/bfin/bfin.c (handle_int_attribute,
14807         bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
14808         bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
14809         bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
14810         Likewise.
14811         * config/darwin.c (darwin_handle_kext_attribute,
14812         darwin_handle_weak_import_attribute): Likewise.
14813         * config/h8300/h8300.c (h8300_handle_fndecl_attribute,
14814         h8300_handle_eightbit_data_attribute,
14815         h8300_handle_tiny_data_attribute): Likewise.
14816         * config/i386/i386.c (ix86_handle_cconv_attribute,
14817         ix86_handle_abi_attribute, ix86_handle_struct_attribute): Likewise.
14818         * config/i386/winnt.c (ix86_handle_shared_attribute,
14819         ix86_handle_selectany_attribute): Likewise.
14820         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
14821         * config/m32c/m32c.c (function_vector_handler): Likewise.
14822         * config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
14823         m68hc11_handle_fntype_attribute): Likewise.
14824         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
14825         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
14826         * config/mips/mips.c (mips_insert_attributes,
14827         mips_merge_decl_attributes, mips_expand_builtin): Likewise.
14828         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
14829         rs6000_handle_struct_attribute): Likewise.
14830         * config/sh/sh.c (sh_insert_attributes,
14831         sh_handle_resbank_handler_attribute,
14832         sh_handle_interrupt_handler_attribute,
14833         sh2a_handle_function_vector_handler_attribute,
14834         sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14835         Likewise.
14836         * config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
14837         * config/spu/spu.c (spu_handle_fndecl_attribute,
14838         spu_handle_vector_attribute): Likewise.
14839         * config/stormy16/stormy16.c
14840         (xstormy16_handle_interrupt_attribute): Likewise.
14841         * config/v850/v850-c.c (ghs_pragma_section): Likewise.
14842         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
14844 2009-05-10  Joseph Myers  <joseph@codesourcery.com>
14846         * pretty-print.h (struct pretty_print_info): Add translate_identifiers.
14847         (pp_translate_identifiers): New.
14848         (pp_identifier): Only conditionally translate identifier to locale
14849         character set.
14850         * pretty-print.c (pp_construct): Set pp_translate_identifiers.
14851         (pp_base_tree_identifier): Only conditionally translate identifier
14852         to locale character set.
14853         * c-pretty-print.c (M_): Define.
14854         (pp_c_type_specifier, pp_c_primary_expression): Mark English
14855         fragments for conditional translation with M_.
14856         * tree-pretty-print.c (maybe_init_pretty_print): Disable
14857         identifier translation.
14859 2009-05-10  Richard Guenther  <rguenther@suse.de>
14861         PR tree-optimization/40081
14862         * tree-sra.c (instantiate_element): Instantiate scalar replacements
14863         using the main variant of the element type.  Do not fiddle with
14864         TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.
14866 2009-05-09  Jan Hubicka  <jh@suse.cz>
14868         PR middle-end/40080
14869         * cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
14870         indirect calls; verify cgraph afterwards.
14872 2009-05-09  Jan Hubicka  <jh@suse.cz>
14874         PR bootstrap/40082
14875         * ipa.c (update_inlined_to_pointer): New function.
14876         (cgraph_remove_unreachable_nodes): Use it.
14878 2009-05-09  Jan Hubicka  <jh@suse.cz>
14880         * tree-eh.c (struct leh_state): Remove prev_try.
14881         (lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
14882         not track prev_try.
14883         * except.c (gen_eh_region_cleanup, duplicate_eh_regions,
14884         copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
14885         remove_eh_handler_and_replace, foreach_reachable_handler,
14886         verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
14887         * except.h (struct eh_region): Remove eh_region_u_cleanup.
14888         (gen_eh_region_cleanup): Update prototype.
14890 2009-05-09  Jan Hubicka  <jh@suse.cz>
14892         PR middle-end/40043
14893         * except.c (copy_eh_region): Always set prev_try.
14894         (redirect_eh_edge_to_label): Find outer try.
14895         (foreach_reachable_handler): When looking for prev try
14896         handle case where previous try is not going to be taken.
14898 2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>
14900         PR tree-optimization/40049
14901         * tree-vect-stmts.c (vectorizable_operation): If the machine has
14902         only vector/vector shifts, convert the type of the constant to the
14903         appropriate type to avoid building incorrect trees, which
14904         eventually have problems with garbage collection.
14906 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
14908         * fold-const.c (fold_binary): Do not fold multiplication by 1 or
14909         -1 for complex floating-point types if honoring signed zeros.
14911 2009-05-08  Jan Hubicka  <jh@suse.cz>
14913         * cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
14914         argument; handle correctly when profile is absent.
14915         (build_cgraph_edges): Update.
14916         (rebuild_cgraph_edges): Update.
14917         * cgraph.c: Do not include varray.h.
14918         (cgraph_set_call_stmt_including_clones): New function.
14919         (cgraph_create_edge_including_clones): Likewise
14920         (cgraph_update_edges_for_call_stmt_node): New static cfunction.
14921         (cgraph_update_edges_for_call_stmt): Handle clones.
14922         (cgraph_remove_node): Handle clone tree.
14923         (cgraph_remove_node_and_inline_clones): New function.
14924         (dump_cgraph_node): Dump clone tree.
14925         (cgraph_clone_node): Handle clone tree.
14926         (clone_function_name): Bring here from tree-inline.c.
14927         (cgraph_create_virtual_clone): New function.
14928         * cgraph.h (ipa_replace_map): Move here from ipa.h.
14929         (cgraph_clone_info): New function.
14930         (strut cgraph_node): Add clone_info and new clone tree pointers.
14931         (cgraph_remove_node_and_inline_clones,
14932         cgraph_set_call_stmt_including_clones,
14933         cgraph_create_edge_including_clones,
14934         cgraph_create_virtual_clone): Declare.
14935         (cgraph_function_versioning): Use VEC argument.
14936         (compute_call_stmt_bb_frequency): Update prototype.
14937         (cgraph_materialize_all_clones): New function.
14938         * ipa-cp.c (ipcp_update_cloned_node): Remove.
14939         (ipcp_create_replace_map): Update to VECtors.
14940         (ipcp_update_callgraph): Use virtual clones.
14941         (ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
14942         (ipcp_update_profiling): Do not update local profiling.
14943         (ipcp_insert_stage): Use VECtors and virtual clones.
14944         * cgraphunit.c (verify_cgraph_node): Verify clone tree.
14945         (clone_of_p): New function.
14946         (cgraph_preserve_function_body_p): Use clone tree.
14947         (cgraph_optimize): Materialize clones.
14948         (cgraph_function_versioning): Update for VECtors.
14949         (save_inline_function_body): Use clone tree.
14950         (cgraph_materialize_clone): New function.
14951         (cgraph_materialize_all_clones): Likewise.
14952         * ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
14953         * ipa.c: Include gimple.h.
14954         (cgraph_remove_unreachable_nodes): Use clone tree.
14955         * ipa-prop.c (ipa_note_param_call): Update call to
14956         compute_call_stmt_bb_frequencycall.
14957         * ipa-prop.h (ipa_replace_map): Move to cgraph.h.
14958         * tree-inline.c: Do not include varray.h or gt-tree-inline.h.
14959         (copy_bb): Handle updating of clone tree; add new edge when new call
14960         appears.
14961         (expand_call_inline): Be strict about every call having edge.
14962         (clone_fn_id_num, clone_function_name): Move to cgraph.c.
14963         (delete_unreachable_blocks_update_callgraph): New function.
14964         (tree_function_versioning): Use VECtors; always remove unreachable
14965         blocks and fold conditionals.
14966         * tree-inline.h: Do not include varray.h.
14967         (tree_function_versioning): Remove.
14968         * Makefile.in (GTFILES): Remove tree-inline.c
14969         * passes.c (do_per_function): Do only functions having body.
14970         * ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
14971         tree.
14973 2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
14974             Andrew Morrow  <acm@google.com>
14976         PR c/36892
14977         * c-common.c (c_common_attribute_table): Permit deprecated
14978         attribute to take an optional argument.
14979         (handle_deprecated_attribute): If the optional argument to
14980         __attribute__((deprecated)) is not a string ignore the attribute
14981         and emit a warning.
14983         * c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
14984         * c-typeck.c (build_component_ref): Likewise.
14985         (build_external_ref): Likewise.
14987         * toplev.c (warn_deprecated_use): Add an attribute argument.
14988         Emit the message associated with __attribute__((deprecated)).
14990         * toplev.h (warn_deprecated_use): Updated.
14992         * doc/extend.texi: Document new optional parameter to
14993         __attribute__((deprecated))
14995 2009-05-08  Michael Eager <eager@eagercon.com>
14997         * config/rs6000/rs6000.md (*movdf_softfloat32): replace
14998         !TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.
15000 2009-05-08  Richard Guenther  <rguenther@suse.de>
15002         PR tree-optimization/40062
15003         * tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
15004         Avoid exponential behavior.
15006 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
15008         PR rtl-optimization/33928
15009         PR 26854
15010         * fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
15011         process_uses, build_single_def_use_links): New.
15012         (update_df): Update use_def_ref.
15013         (forward_propagate_into): Use get_def_for_use instead of use-def
15014         chains.
15015         (fwprop_init): Call build_single_def_use_links and let it initialize
15016         dataflow.
15017         (fwprop_done): Free use_def_ref.
15018         (fwprop_addr): Eliminate duplicate call to df_set_flags.
15019         * df-problems.c (df_rd_simulate_artificial_defs_at_top,
15020         df_rd_simulate_one_insn): New.
15021         (df_rd_bb_local_compute_process_def): Update head comment.
15022         (df_chain_create_bb): Use the new RD simulation functions.
15023         * df.h (df_rd_simulate_artificial_defs_at_top,
15024         df_rd_simulate_one_insn): New.
15025         * opts.c (decode_options): Enable fwprop at -O1.
15026         * doc/invoke.texi (-fforward-propagate): Document this.
15028 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
15030         PR c/24581
15031         * c-typeck.c (build_binary_op): Handle arithmetic between one real
15032         and one complex operand specially.
15033         * tree-complex.c (some_nonzerop): Do not identify a real value as
15034         zero if flag_signed_zeros.
15036 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
15038         PR rtl-optimization/33928
15039         * loop-invariant.c (record_use): Fix && vs. || mishap.
15041 2009-05-08  Paolo Bonzini  <bonzini@gnu.org>
15043         PR rtl-optimization/33928
15044         * loop-invariant.c (struct use): Add addr_use_p.
15045         (struct def): Add n_addr_uses.
15046         (struct invariant): Add cheap_address.
15047         (create_new_invariant): Set cheap_address.
15048         (record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
15049         (record_uses): Pass df_ref to record_use.
15050         (get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
15051         used only as such.
15053 2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
15055         * config/sh/sh.c: Do not include c-pragma.h.
15057 2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>
15059         * config/spu/spu.c: Remove include of c-common.h.
15061 2009-05-07  Janis Johnson  <janis187@us.ibm.com>
15063         PR c/39037
15064         * c-common.h (mark_valid_location_for_stdc_pragma,
15065         valid_location_for_stdc_pragma_p, set_float_const_decimal64,
15066         clear_float_const_decimal64, float_const_decimal64_p): New.
15067         * c.opt (Wunsuffixed-float-constants): New.
15068         * c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
15069         unsuffixed float constant, handle new warning.
15070         * c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
15071         * c-decl.c (c_scope): New flag float_const_decimal64.
15072         (set_float_const_decimal64, clear_float_const_decimal64,
15073         float_const_decimal64_p): New.
15074         (push_scope): Set new flag.
15075         * c-parser.c (c_parser_translation_unit): Mark when it's valid
15076         to use STDC pragmas.
15077         (c_parser_external_declaration): Ditto.
15078         (c_parser_compound_statement_nostart): Ditto.
15079         * c-pragma.c (valid_location_for_stdc_pragma,
15080         mark_valid_location_for_stdc_pragma,
15081         valid_location_for_stdc_pragma_p, handle_stdc_pragma,
15082         handle_pragma_float_const_decimal64): New.
15083         (init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
15084         * cp/semantics.c (valid_location_for_stdc_pragma_p,
15085         set_float_const_decimal64, clear_float_const_decimal64,
15086         float_const_decimal64_p): New dummy functions.
15087         * doc/extend.texi (Decimal Float): Remove statement that the
15088         pragma, and suffix for double constants, are not supported.
15089         * doc/invoke.texi (Warning Options): List new option.
15090         (-Wunsuffixed-float-constants): New.
15092 2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>
15094         * config/i386/i386.c: Do not include c-common.h.
15096 2009-05-07  Mark Heffernan  <meheff@google.com>
15098         * doc/invoke.texi (Debugging Options): Document change of debugging
15099         dump location.
15100         * opts.c (decode_options): Make dump_base_name relative to
15101         aux_base_name directory.
15103 2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>
15105         * config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
15106         * config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.
15108 2009-05-07  Rafael Avila de Espindola  <espindola@google.com>
15110         * Makefile.in (install-plugin): Simplify a bit.
15112 2009-05-07  Paolo Bonzini  <bonzini@gnu.org>
15114         * Makefile.in (OBJS-common): Add regcprop.o.
15115         (regcprop.o): New.
15116         * timevar.def (TV_CPROP_REGISTERS): New.
15117         * regrename.c (regrename_optimize): Return 0.
15118         (rest_of_handle_regrename): Delete.
15119         (pass_rename_registers): Point to regrename_optimize.
15120         (struct value_data_entry, struct value_data,
15121         kill_value_one_regno, kill_value_regno, kill_value,
15122         set_value_regno, init_value_data, kill_clobbered_value,
15123         kill_set_value, kill_autoinc_value, copy_value,
15124         mode_change_ok, maybe_mode_change, find_oldest_value_reg,
15125         replace_oldest_value_reg, replace_oldest_value_addr,
15126         replace_oldest_value_mem, copyprop_hardreg_forward_1,
15127         debug_value_data, validate_value_data): Move...
15128         * regcprop.c: ... here.
15129         (rest_of_handle_cprop): Delete.
15130         (pass_cprop_hardreg): Point to copyprop_hardreg_forward.
15132 2009-05-07  Jakub Jelinek  <jakub@redhat.com>
15134         PR middle-end/40057
15135         * dojump.c (prefer_and_bit_test): Use immed_double_const instead of
15136         GEN_INT for 1 << bitnum.
15137         (do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
15138         build_int_cst_type.
15140 2009-05-07  Uros Bizjak  <ubizjak@gmail.com>
15142         * doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
15143         Remove wrong description of "nand" operation.
15145 2009-05-06  Richard Guenther  <rguenther@suse.de>
15146             Adam Nemet  <anemet@caviumnetworks.com>
15148         * gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
15149         comment.  Add that if LHS is not a gimple register, then RHS1 has
15150         to be a single object (GIMPLE_SINGLE_RHS).
15152 2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>
15154         * expr.c (get_def_for_expr): Move it up in the file.
15155         (store_field): When expanding a bit-field store, look at the
15156         defining gimple stmt for the masking conversion.
15158 2009-05-06  Janis Johnson  <janis187@us.ibm.com>
15160         PR middle-end/39986
15161         * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
15162         decode_decimal64, encode_decimal128, decode_decimal128): Avoid
15163         32-bit memcpy into long.
15165 2009-05-06  Jakub Jelinek  <jakub@redhat.com>
15167         * dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
15168         (one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
15169         new_reg_loc_descr.
15170         (loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
15171         instead of appending DW_OP_deref*.
15173 2009-05-06  Michael Matz  <matz@suse.de>
15175         PR middle-end/40021
15176         * cfgexpand.c (maybe_cleanup_end_of_block): New static function.
15177         (expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.
15179 2009-05-06  Rafael Avila de Espindola  <espindola@google.com>
15181         * Makefile.in (install-plugin): Fix srcdir handling.
15183 2009-05-06  Andrey Belevantsev  <abel@ispras.ru>
15185         * tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
15186         when processing for not_regs_needed bitmap.
15187         * gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
15188         handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while
15189         handling it for rhs.
15191 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
15193         * config/i386/i386.md (unnamed inc/dec peephole): Use
15194         optimize_insn_for_size_p instead of optimize_size.
15195         * config/i386/predicates.md (incdec_operand): Likewise.
15196         (aligned_operand): Likewise.
15197         * config/i386/sse.md (divv8sf3): Likewise.
15198         (sqrtv8sf2): Likewise.
15200 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
15202         * config/i386/i386.c (ix86_build_signbit_mask): Make it static.
15204         * config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.
15206 2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>
15208         * config/i386/i386.md (*avx_<code><mode>3_finite): Replace
15209         ssemodesuffixf2c with avxmodesuffixf2c.
15211 2009-05-06  Joseph Myers  <joseph@codesourcery.com>
15213         PR c/40032
15214         * c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.
15216 2009-05-05  Jakub Jelinek  <jakub@redhat.com>
15218         * tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
15219         (struct tree_base): Adjust spacing for 8 bit boundaries.
15220         (struct tree_decl_common): Add decl_by_reference_flag bit.
15221         (DECL_BY_REFERENCE): Adjust.
15222         * print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
15223         print DECL_BY_REFERENCE bit.
15224         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
15225         * dwarf2out.c (loc_by_reference, gen_decl_die): Check
15226         DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
15227         (gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
15228         unconditionally.
15230         PR middle-end/39666
15231         * gimplify.c (gimplify_switch_expr): If case labels cover the whole
15232         range of the type, but default label is missing, add it with one
15233         of the existing labels instead of adding a new label for it.
15235 2009-05-05  Joseph Myers  <joseph@codesourcery.com>
15237         * dwarf.h: Remove.
15239 2009-05-05  Rafael Avila de Espindola  <espindola@google.com>
15241         * Makefile.in (enable_plugin, plugin_includedir): New.
15242         (install): Depend on install-plugin.
15243         (PLUGIN_HEADERS): New.
15244         (install-plugin): New.
15245         * config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.
15247 2009-05-05  Richard Guenther  <rguenther@suse.de>
15249         PR tree-optimization/40022
15250         * tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
15251         the only vuse.
15252         (phivn_valid_p): Fix tuplification error, simplify.
15253         (phiprop_insert_phi): Add dumps.
15254         (propagate_with_phi): Simplify.
15256 2009-05-05  Richard Guenther  <rguenther@suse.de>
15258         PR middle-end/40023
15259         * builtins.c (gimplify_va_arg_expr): Properly build the address.
15261 2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>
15263         * tree.h (strip_float_extensions): Remove duplicate declaration.
15264         (build_low_bits_mask, debug_fold_checksum, expand_function_end,
15265         expand_function_start, stack_protect_prologue, stack_protect_epilogue,
15266         block_ultimate_origin): Rearrange the declarations line to match the
15267         comment that indicates the .c file which the functions are defined.
15268         (dwarf2out_*, set_decl_rtl): Add comment.
15269         (get_base_address): Adjust comment.
15270         (change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
15271         declarations line and add comment.
15272         (is_builtin_name): Add blank after function name, for clarity.
15274 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
15276         * attribs.c (decl_attributes): Use %qE for identifiers in
15277         diagnostics.
15278         * cgraphunit.c (verify_cgraph_node): Translate function names to
15279         locale character set in diagnostics.
15280         * coverage.c (get_coverage_counts): Use %qE for identifiers in
15281         diagnostics.
15282         * doc/invoke.texi (-finstrument-functions-exclude-function-list):
15283         Document that functions are named in UTF-8.
15284         * expr.c (expand_expr_real_1): Translate function names to locale
15285         character set in diagnostics.
15286         * gimplify.c (omp_notice_variable, omp_is_private,
15287         gimplify_scan_omp_clauses): Use %qE for identifiers in
15288         diagnostics.
15289         * langhooks.c (lhd_print_error_function): Translate function names
15290         to locale character set.
15291         * langhooks.h (decl_printable_name): Document that return value is
15292         in internal character set.
15293         * stmt.c: Include pretty-print.h
15294         (tree_conflicts_with_clobbers_p): Use %qE for identifiers in
15295         diagnostics.
15296         (resolve_operand_name_1): Translate named operand name to locale
15297         character set.
15298         * stor-layout.c (finalize_record_size): Use %qE for identifiers in
15299         diagnostics.
15300         * toplev.c (announce_function): Translate function names to locale
15301         character set.
15302         (warn_deprecated_use): Use %qE for identifiers in diagnostics.
15303         (default_tree_printer): Use pp_identifier or translate identifiers
15304         to locale character set.  Mark "<anonymous>" for translation.
15305         * tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
15306         for identifiers in diagnostics.
15307         * tree.c (handle_dll_attribute): Use %qE for identifiers in
15308         diagnostics.
15309         * varasm.c (output_constructor): Use %qE for identifiers in
15310         diagnostics.
15312 2009-05-04  Rafael Avila de Espindola  <espindola@google.com>
15314         * configure.ac: use ` ` instead of $()
15315         * configure: Regenerate.
15317 2009-05-05  Ben Elliston  <bje@au.ibm.com>
15319         * config/pa/linux-atomic.c: Eliminate conditional include of
15320         errno.h on non-LP64 systems to simplify build requirements.
15322 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
15324         * c-common.c (handle_mode_attribute): Use %qE for identifiers in
15325         diagnostics.
15326         * c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
15327         and pass value to identifier_to_locale.
15328         (warn_variable_length_array): Make name a tree.
15329         (grokdeclarator): Separate diagnostic texts for named and unnamed
15330         declarators.  Use %qE for named declarators.
15331         * c-parser.c (c_lex_one_token): Use %qE for identifiers in
15332         diagnostics.
15333         * c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
15334         identifiers in diagnostics.
15335         * c-typeck.c (push_member_name, start_init): Pass identifiers to
15336         identifier_to_locale.  Mark "anonymous" strings for translation.
15338 2009-05-04  Michael Eager <eager@eagercon.com>
15340         * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
15341         address for DImode/DFmode only if double-precision FP regs.
15343 2009-05-04  Michael Eager <eager@eagercon.com>
15345         * config/rs6000/rs6000.c (rs6000_libcall_value): Add
15346         TARGET_SINGLE_FLOAT check.
15348 2009-05-04  Michael Eager <eager@eagercon.com>
15350         * config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.
15352 2009-05-04  Michael Eager <eager@eagercon.com>
15354         * gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
15355         * config/rs6000/t-xilinx: New
15357 2009-05-04  Paolo Bonzini  <bonzini@gnu.org>
15359         * doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
15360         * gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
15361         * gcc/explow.c (memory_address): Use target hook.
15362         * gcc/targhooks.c (default_legitimize_address): New.
15363         * gcc/targhooks.h (default_legitimize_address): New.
15364         * gcc/target.h (legitimize_address): New.
15365         * gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
15366         (TARGET_INITIALIZER): Include it.
15367         * gcc/system.h (LEGITIMIZE_ADDRESS): Poison.
15369         * config/bfin/bfin-protos.h (legitimize_address): Remove.
15370         * config/bfin/bfin.c (legitimize_address): Remove.
15371         * config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
15372         * config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
15373         Remove.
15374         * config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
15375         * config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.
15377         * gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
15378         THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
15379         * gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
15380         * gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
15381         * gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
15382         * gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
15383         * gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
15384         * gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
15385         * gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
15386         * gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
15387         * gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
15388         * gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
15389         * gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
15390         * gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
15391         * gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
15392         * gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
15393         * gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
15394         * gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
15395         * gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
15396         * gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
15397         * gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
15398         * gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
15399         * gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.
15401         * gcc/config/s390/s390-protos.h (legitimize_address): Delete.
15402         * gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
15403         * gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
15404         * gcc/config/i386/i386-protos.h (legitimize_address): Delete.
15405         * gcc/config/avr/avr-protos.h (legitimize_address): Delete.
15406         * gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
15407         * gcc/config/score/score-protos.h (score_legitimize_address): Delete.
15408         * gcc/config/arm/arm-protos.h (arm_legitimize_address,
15409         (thumb_legitimize_address): Delete.
15410         * gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
15411         * gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
15412         * gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
15413         * gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
15414         * gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
15415         * gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
15416         Delete.
15417         * gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
15418         Delete.
15420         * config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
15421         * config/m32c/m32c.c (m32c_legitimize_address): Standardize.
15422         * config/m32r/m32r.c (m32r_legitimize_address): New.
15423         * config/m68k/m68k.c (m68k_legitimize_address): New.
15424         * config/score/score.c (score_legitimize_address): Standardize.
15425         * config/score/score3.c (score3_legitimize_address): Standardize.
15426         * config/score/score3.h (score3_legitimize_address): Adjust.
15427         * config/score/score7.c (score7_legitimize_address): Standardize.
15428         * config/score/score7.h (score7_legitimize_address): Adjust.
15429         * config/sh/sh.c (sh_legitimize_address): New.
15430         * config/iq2000/iq2000.c (iq2000_legitimize_address): New.
15432         * gcc/config/s390/s390.c (legitimize_address): Rename to...
15433         (s390_legitimize_address): ... this.
15434         * gcc/config/sparc/sparc.c (legitimize_address): Rename to...
15435         (sparc_legitimize_address): ... this.
15436         * gcc/config/i386/i386.c (legitimize_address): Rename to...
15437         (ix86_legitimize_address): ... this.
15438         * gcc/config/avr/avr.c (legitimize_address): Rename to...
15439         (avr_legitimize_address): ... this.
15440         * gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
15441         (mn10300_legitimize_address): ... this.
15442         * config/alpha/alpha.c (alpha_legitimize_address): Wrap...
15443         (alpha_legitimize_address_1): ... the old alpha_legitimize_address.
15444         (alpha_expand_mov): Adjust call.
15446         * config/frv/frv.c (frv_legitimize_address): Return x on failure.
15447         * config/spu/spu.c (spu_legitimize_address): Likewise.
15448         * config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
15449         * config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.
15451 2009-05-04  Joseph Myers  <joseph@codesourcery.com>
15453         * intl.c (locale_encoding, locale_utf8): New.
15454         (gcc_init_libintl): Initialize locale_encoding and locale_utf8.
15455         * intl.h (locale_encoding, locale_utf8): Declare.
15456         * pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
15457         (pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
15458         New.
15459         * pretty-print.h (pp_identifier): Call identifier_to_locale on ID
15460         argument.
15461         (pp_tree_identifier): Define to call pp_base_tree_identifier.
15462         (pp_base_tree_identifier): Declare as function.
15463         (identifier_to_locale): Declare.
15464         * Makefile.in (pretty-print.o): Update dependencies.
15465         * varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.
15467 2009-05-04  Richard Guenther  <rguenther@suse.de>
15469         PR middle-end/40015
15470         * builtins.c (fold_builtin_memory_op): Do not decay to element
15471         type if the size matches the whole array.
15473 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
15475         * expmed.c (synth_mult): When trying out a shift, pass the result
15476         of a signed shift.
15478 2009-05-04  Kazu Hirata  <kazu@codesourcery.com>
15480         * expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
15481         (shiftsub1_cost): New.
15482         (init_expmed): Compute shiftsub1_cost.
15483         (synth_mult): Optimize multiplications by constants of the form
15484         -(2^^m-1) for some constant positive integer m.
15486 2009-05-03  Richard Guenther  <rguenther@suse.de>
15488         PR c/39983
15489         * c-typeck.c (array_to_pointer_conversion): Do not built
15490         ADDR_EXPRs of arrays of pointer-to-element type.
15491         * c-gimplify.c (c_gimplify_expr): Revert change fixing
15492         up wrong ADDR_EXPRs after-the-fact.
15493         * c-common.c (strict_aliasing_warning): Strip pointer
15494         conversions for obtaining the original type.
15495         * builtins.c (fold_builtin_memset): Handle array types.
15496         (fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
15497         and array types
15499 2009-05-03  Richard Guenther  <rguenther@suse.de>
15501         PR middle-end/23329
15502         * tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
15503         Do not lose casts from array types with unknown extent to array
15504         types with known extent.
15505         * tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
15506         alias set compatibility.
15508 2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>
15510         * flags.h (extra_warnings): Delete.
15511         * toplev.c (process_options): Handle Wuninitialized here.
15512         * opts.c (extra_warnings): Delete.
15513         (set_Wextra): Delete.
15514         (common_handle_option): -Wextra can be handled automatically.
15515         * c-opts.c (c_common_handle_option): Delete obsolete code.
15516         (c_common_post_options): Simplify comment.
15517         * common.opt (W): Add Var.
15518         (Wextra): Add Var.
15519         (Wuninitialized): Initialize to -1.
15521 2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
15522             Richard Guenther  <rguenther@suse.de>
15524         * expr.c (get_def_for_expr): New function.
15525         (expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
15526         SSA rather than trees.
15527         <MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
15528         TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).
15530 2009-05-03  Joseph Myers  <joseph@codesourcery.com>
15532         * c-common.c (reswords): Add _Imaginary.
15533         * c-common.c (enum rid): Add RID_IMAGINARY.
15535 2009-05-03  Paolo Bonzini  <bonzini@gnu.org>
15537         * tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
15538         Patch by Richard Guenther.
15540 2009-05-03  Anatoly Sokolov  <aesok@post.ru>
15542         * defaults.h (FRAME_POINTER_REQUIRED): Provide default.
15543         * doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
15544         * config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
15545         * config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
15546         * config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
15547         * config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
15548         * config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
15549         * config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
15550         * config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
15551         * config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
15552         * config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
15553         * config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
15554         * config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
15555         * config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
15556         * config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
15557         * config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
15558         * config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
15559         * config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.
15561 2009-05-02  Richard Guenther  <rguenther@suse.de>
15563         PR tree-optimization/39940
15564         * tree-ssa-pre.c (eliminate): Make sure we may propagate before
15565         doing so.
15567 2009-05-02  Richard Guenther  <rguenther@suse.de>
15569         PR middle-end/40001
15570         * tree-ssa.c (execute_update_addresses_taken): Properly check
15571         if we can mark a variable DECL_GIMPLE_REG_P.
15572         * gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
15573         back to the end of the function.
15574         (is_gimple_reg_type): Remove complex type special casing.
15575         * gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
15576         if not optimizing.
15578 2009-05-02  Ben Elliston  <bje@au.ibm.com>
15580         * doc/collect2.texi (Collect2): Document search path behaviour
15581         when configured with --with-ld.
15583 2009-05-02  Jan Hubicka  <jh@suse.cz>
15585         * tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
15586         parameter; update callers.
15587         (coalesce_cost_edge): EH edges are costier because they needs
15588         splitting even if not critical and even more costier when there are
15589         multiple EH predecestors.
15591 2009-05-02  Jan Hubicka  <jh@suse.cz>
15593         * except.c (remove_eh_handler_and_replace): Handle updating after
15594         removing TRY blocks.
15596 2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>
15598         * store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.
15600 2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>
15602         * varasm.c: Do not include c-pragma.h.
15603         * attribs.c: Do not incude c-common.h.
15605 2009-05-01  Michael Matz  <matz@suse.de>
15607         * calls.c (initialize_argument_information): Handle SSA names like
15608         decls with a non MEM_P DECL_RTL.
15610 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
15612         * ipa-reference.c: Do not include c-common.h, include splay-tree.h.
15613         * ipa-utils.c: Likewise.
15614         * ipa-type-escape.c: Likewise.
15615         * cgraphunit.c Do not include c-common.h.
15616         * ipa-pure-const.c: Likewise.
15617         * tree-if-conv.c: Likewise.
15618         * matrix-reorg.c: Do not include c-common.h and c-tree.h.
15619         * ipa-struct-reorg.c: Likewise.
15620         * tree-nomudflap.c: Likewise.
15621         * tree-ssa-structalias.c: Likewise.
15623 2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>
15625         * store-motion.c: Many cleanups to make this pass a first-class
15626         citizen instead of an appendix to gcse load motion.  Add TODO list
15627         to make this pass faster/cleaner/better.
15629         (struct ls_expr): Post gcse.c-split cleanups.
15630         Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
15631         "stores" field to "avail_stores".
15632         (pre_ldst_mems): Rename to store_motion_mems.
15633         (pre_ldst_table): Rename to store_motion_mems_table.
15634         (pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
15635         (pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
15636         (ldst_entry): Rename to st_expr_entry, update users.
15637         (free_ldst_entry): Rename to free_st_expr_entry, update users.
15638         (free_ldst_mems): Rename to free_store_motion_mems, update users.
15639         (enumerate_ldsts): Rename to enumerate_store_motion_mems,
15640         update caller.
15641         (first_ls_expr): Rename to first_st_expr, update users.
15642         (next_ls_expr): Rename to next_st_expr, update users.
15643         (print_ldst_list): Rename to print_store_motion_mems.  Print names of
15644         fields properly for store motion instead of names inherited from load
15645         motion in gcse.c.
15646         (ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
15647         (LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
15648         are done with it.
15650         (ae_kill): Rename to st_kill, update users.
15651         (ae_gen): Rename to st_avloc, update users.
15652         (transp): Rename to st_transp, update users.
15653         (pre_insert_map): Rename to st_insert_map, update users.
15654         (pre_delete_map): Rename to st_delete_map, update users.
15655         (insert_store, build_store_vectors, free_store_memory,
15656         one_store_motion_pass): Update for abovementioned changes.
15658         (gcse_subst_count, gcse_create_count): Remove.
15659         (one_store_motion_pass): New statistics counters "n_stores_deleted"
15660         and "n_stores_created", local variables.
15662         (extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
15663         use for_each_rtx.
15665         (regvec, compute_store_table_current_insn): Remove.
15666         (reg_set_info, reg_clear_last_set): Remove.
15667         (compute_store_table): Use DF caches instead of local dataflow
15668         solvers.
15670 2009-05-01  Joseph Myers  <joseph@codesourcery.com>
15672         * c-objc-common.c (c_tree_printer): Print identifiers with
15673         pp_identifier, not pp_string.  Mark "({anonymous})" for
15674         translation.
15675         * c-pretty-print.c (pp_c_ws_string): New.
15676         (pp_c_cv_qualifier, pp_c_type_specifier,
15677         pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
15678         pp_c_storage_class_specifier, pp_c_function_specifier,
15679         pp_c_attributes, pp_c_bool_constant, pp_c_constant,
15680         pp_c_primary_expression, pp_c_postfix_expression,
15681         pp_c_unary_expression, pp_c_shift_expression,
15682         pp_c_relational_expression, pp_c_equality_expression,
15683         pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
15684         use pp_string and pp_c_ws_string in place of pp_identifier and
15685         pp_c_identifier for non-identifiers.  Mark English strings for
15686         translation.
15687         * c-pretty-print.h (pp_c_ws_string): Declare.
15689 2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
15690             Roland McGrath <roland@redhat.com>
15692         * configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
15693         (ENABLE_LD_BUILDID): New configuration option.
15694         * gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
15695         (LINK_BUILDID_SPEC): New macro.
15696         (init_spec): If defined, prepend it between LINK_EH_SPEC and
15697         link_spec.
15698         * doc/install.texi: Document --enable-linker-build-id option.
15699         * configure: Rebuild.
15700         * config.in: Rebuild.
15702 2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>
15704         * config/mips/mips.h (FRAME_GROWS_DOWNWARD,
15705         MIPS_GP_SAVE_AREA_SIZE): Define new macros.
15706         (STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
15707         MIPS_GP_SAVE_AREA_SIZE.
15708         * config/mips/mips.c (struct mips_frame_info): Update comment
15709         before arg_pointer_offset and hard_frame_pointer_offset.
15710         (mips_compute_frame_info): Update diagram before function: to
15711         correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
15712         indicate the position of frame_pointer_rtx with -fstack-protector and
15713         to show args_size.  Don't allocate cprestore area for leaf functions
15714         if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
15715         cprestore_size.
15716         (mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.
15718 2009-04-30  Michael Matz  <matz@suse.de>
15720         PR tree-optimization/39955
15721         * config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.
15723 2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>
15725         * ira.c (setup_cover_and_important_classes):  Use safe macro
15726         REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
15727         directly.
15728         * genpreds.c (write_tm_preds_h):  Output suitable definition of
15729         REG_CLASS_FOR_CONSTRAINT.
15731 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
15733         * alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
15734         instead of an int.
15735         * bitmap.c (bitmap_descriptor): Likewise.
15736         * ggc-common.c (loc_descriptor): Likewise.
15737         * varray.c (varray_descriptor): Likewise.
15738         * vec.c (vec_descriptor): Likewise.
15740 2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>
15742         * Makefile.in (dce.o): Add $(EXCEPT_H).
15743         * dce.c: Include except.h and delete redundant vector definitions.
15744         (deletable_insn_p): Return false for non-call insns that can throw
15745         if DF is running.
15747 2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>
15749         * gcse.c (ae_gen): Remove.
15750         (can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
15751         and make non-static function to make it available in store-motion.c.
15752         Update call sites with search-and-replace.
15753         (enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
15754         extract_mentioned_regs, extract_mentioned_regs_helper,
15755         find_moveable_store, compute_store_table, load_kills_store, find_loads,
15756         store_killed_in_insn, store_killed_after, store_killed_before,
15757         build_store_vectors, insert_insn_start_basic_block, insert-store,
15758         remove_reachable_equiv_notes, replace_store_insn, delete_store,
15759         free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
15760         execute_rtl_store_motion, pass_rtl_store_motion): Move to...
15761         * store-motion.c: ...new file.  Also copy data structures from gcse.c
15762         and clean up to remove parts not used by store motion.
15763         * rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
15764         * Makefile.in (store-motion.o): New rule. Add to OBJS-common.
15766 2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
15768         PR target/38571
15769         * config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
15770         when optimizing for size.
15772 2009-04-30  Hans-Peter Nilsson  <hp@axis.com>
15774         * gcse.c (gcse_constant_p): Fix typo in last change.
15776 2009-04-30  Rafael Avila de Espindola  <espindola@google.com>
15778         * plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.
15780 2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>
15782         * gcse.c (gcse_constant_p): Make sure the constant is sharable.
15784 2009-04-29  James E. Wilson  <wilson@codesourcery.com>
15786         * config/mips/mips.c (mips_add_offset): Use gen_int_mode for
15787         CONST_HIGH_PART result.
15789 2009-04-29  Anatoly Sokolov  <aesok@post.ru>
15791         * config/avr/avr.c (initial_elimination_offset): Rename to
15792         avr_initial_elimination_offset.
15793         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
15794         change return type to bool.
15795         (avr_can_eliminate): New function.
15796         * config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
15797         (FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
15798         (INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
15799         * config/avr/avr-protos.h (initial_elimination_offset): Rename to
15800         avr_initial_elimination_offset.
15801         (frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
15802         (avr_initial_elimination_offset): Define.
15804 2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
15805             Steven Bosscher  <steven@gcc.gnu.org>
15807         PR rtl-optimization/39938
15808         * Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
15809         * cfgrtl.c: Include insn-attr.h.
15810         (rest_of_pass_free_cfg): New function.
15811         (pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
15812         * resource.c (init_resource_info): Remove call to df_analyze.
15814 2009-04-29  Richard Guenther  <rguenther@suse.de>
15816         PR target/39943
15817         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
15818         allow conversion to signed integers.
15820 2009-04-29  Richard Guenther  <rguenther@suse.de>
15822         * tree-cfg.c (verify_gimple_assign_binary): Allow vector
15823         shifts of floating point vectors if the shift amount is
15824         a constant multiple of the element size.
15826 2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
15827             Michael Matz  <matz@suse.de>
15829         PR middle-end/39927
15830         PR bootstrap/39929
15831         * tree-outof-ssa.c (emit_partition_copy): New function.
15832         (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
15833         insert_part_to_rtx_on_edge): Perform the partition base var
15834         copy using emit_partition_copy.
15835         (insert_value_copy_on_edge): Convert constants to the right mode.
15836         (insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
15837         (elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.
15839 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
15841         * config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
15842         scan backwards to try to find a constant to initialize it.
15844         * config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
15845         insn before the loop_end instruction, don't look past labels.
15847 2009-04-29  Richard Guenther  <rguenther@suse.de>
15849         PR middle-end/39937
15850         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
15851         loose type conversions.
15852         (forward_propagate_addr_expr): Fix tuplification bug.  Remove
15853         stmts only if there are no uses of its definition.
15855 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
15857         * config/bfin/bfin.h (splitting_loops): Declare.
15858         * config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
15859         Reorder bit definitions to be ascending.
15860         (WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
15861         * config/bfin/bfin.c (splitting_loops): New variable.
15862         (bfin_cpus): Add WA_LOAD_LCREGS as needed.
15863         (struct loop_info): Remove members INIT and LOOP_INIT.
15864         (bfin_optimize_loop): Don't set them.  Reorder the code that generates
15865         the LSETUP sequence.  Allow LC to be loaded from any register, but
15866         also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
15867         (bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
15868         set to 1.
15869         * config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
15870         of reload_completed.
15872         From Jie Zhang:
15873         * config/bfin/bfin.md (movsi_insn): Refine constraints.
15875 2009-04-29  Rafael Avila de Espindola  <espindola@google.com>
15877         * Makefile.in (PLUGIN_VERSION_H): New.
15878         (OBJS-common): Remove plugin-version.o.
15879         (plugin.o): Depend on (PLUGIN_VERSION_H).
15880         (plugin-version.o): Remove.
15881         * configure: Regenerate
15882         * configure.ac: Create plugin-version.h.
15883         * gcc-plugin.h (plugin_gcc_version): Remove.
15884         (plugin_default_version_check): Change signature.
15885         * plugin-version.c: Remove.
15886         * plugin.c: Include plugin-version.h.
15887         (str_plugin_gcc_version_name): Remove.
15888         (try_init_one_plugin): Pass gcc version to plugin_init.
15889         (plugin_default_version_check): Both gcc and plugin versions are now
15890         arguments.
15892 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
15894         * config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
15895         problematic last insns.  Test for TYPE_CALL rather than CALL_P.
15896         Remove special case testing for last insn of inner loops. Don't fail
15897         if the loop ends with a jump, emit an extra nop instead.
15899         * config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
15900         DREGS rather than comparing directly.  Remove code that tries to
15901         account for latencies.
15903 2009-04-29  Richard Guenther  <rguenther@suse.de>
15905         PR tree-optimization/39941
15906         * tree-ssa-pre.c (eliminate): Schedule update-ssa after
15907         eliminating an indirect call.
15909 2009-04-29  Richard Guenther  <rguenther@suse.de>
15911         * tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
15912         parameter.  Allow invariants as base if !require_lvalue.
15913         (verify_gimple_assign_single): Adjust.
15915 2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
15917         * config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
15918         (ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
15919         ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
15920         ssubhi3, ssaddhi3_parts and sssubhi3_parts.
15921         (flag_mulhi3_parts): Produce a HImode output rather than trying to set
15922         a VEC_SELECT.
15923         * config/bfin/bfin.c (bfin_expand_builtin,
15924         case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.
15926 2009-04-28  Richard Guenther  <rguenther@suse.de>
15928         * tree-vect-loop.c (get_initial_def_for_induction): Use
15929         correct types for pointer increment.
15931 2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15933         * toplev.c (print_version): Update GMP version string calculation.
15935 2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>
15937         PR rtl-optimization/39938
15938         * resource.c (init_resource_info): Add call to df_analyze.
15940 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
15942         * config/alpha/alpha.md (usegp): Cast the result of
15943         alpha_find_lo_sum_using_gp to enum attr_usegp.
15944         * config/alpha/alpha.c (override_options): Remove end-of-structure
15945         marker element from cpu_table.  Use array size of cpu_table to handle
15946         -mcpu and -mtune options.
15947         (tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.
15949 2009-04-28  Joseph Myers  <joseph@codesourcery.com>
15951         * config.gcc (powerpc*-*-* | rs6000-*-*): Add
15952         rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
15953         tune_32 and tune_64.
15954         * doc/install.texi (--with-cpu-32, --with-cpu-64): Document
15955         support on PowerPC.
15956         * config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
15957         * config/rs6000/option-defaults.h: ... here.  New file.
15958         (OPT_64, OPT_32): Define.
15959         (MASK_64BIT): Define to 0 if not already defined.
15960         (OPT_ARCH64, OPT_ARCH32): Define.
15961         (OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
15962         and tune_64.
15964 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
15966         * config/arm/arm.c (arm_override_options): Emit error on using
15967         fpa with AAPCS.
15969 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
15971         PR rtl-optimization/39914
15972         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
15973         registers for allocnos created from user-defined variables only
15974         when not optimizing.
15976 2009-04-28  Richard Guenther  <rguenther@suse.de>
15978         PR middle-end/39937
15979         * fold-const.c (fold_binary): Use distribute_real_division only
15980         on float types.
15982 2009-04-28  Steve Ellcey  <sje@cup.hp.com>
15984         * config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
15985         add hpux-stdint.h to tm_file.
15986         (hppa[12]*-*-hpux11*): Ditto.
15987         (ia64*-*-hpux*): Ditto.
15988         * config/hpux-stdint.h: New.
15989         * config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
15990         __STDC_EXT__ for all compiles.
15991         * config/pa/pa-hpux.h: Ditto.
15992         * config/pa/pa-hpux10.h: Ditto.
15993         * config/pa/pa-hpux11.h: Ditto.
15995 2009-04-28  Catherine Moore  <clm@codesourcery.com>
15997         * debug.h (set_name): Add comment.
15999 2009-04-28  Andrew Pinski  <pinskia@gmail.com>
16001         PR target/39929
16002         * config/darwin.c (machopic_gen_offset): Check
16003         currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
16004         * config/arm/arm.c (require_pic_register): Likewise.
16006 2009-04-28  Paolo Bonzini  <bonzini@gnu.org>
16008         * config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
16009         m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
16010         m32c_promote_prototypes): Delete.
16012 2009-04-28  Michael Matz  <matz@suse.de>
16014         PR middle-end/39922
16015         * tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
16016         constants.
16018 2009-04-28  Richard Guenther  <rguenther@suse.de>
16020         * tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.
16022 2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
16024         * config/arm/arm-cores.def: Add support for arm1156t2f-s.
16025         * doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
16026         * config/arm/arm-tune.md: Regenerate.
16028 2009-04-28  Alexander Monakov  <amonakov@ispras.ru>
16030         * sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
16031         block if there are complex incoming edges.
16032         (sel_merge_blocks): Remove useless assert.
16033         (sel_redirect_edge_and_branch): Check that edge was redirected.
16034         * sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
16035         (sel_find_rgns): Delete declaration.
16036         * sel-sched.c (purge_empty_blocks): Attempt to remove first block of
16037         the region when it is not a preheader.
16039 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
16041         PR c/39323
16042         * config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h
16044 2009-04-28  Richard Guenther  <rguenther@suse.de>
16046         * tree.h (SSA_NAME_VALUE): Remove.
16047         (struct tree_ssa_name): Remove value_handle member.
16048         * tree-vrp.c (execute_vrp): Initialize/free the value-handle
16049         array for jump threading.
16050         * tree-ssa-propagate.c (ssa_prop_init): Do not initialize
16051         SSA_NAME_VALUEs.
16052         * print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
16053         * tree-flow.h (threadedge_initialize_values): Declare.
16054         (threadedge_finalize_values): Likewise.
16055         * tree-ssa-threadedge.c (ssa_name_values): New global variable.
16056         (SSA_NAME_VALUE): Define.
16057         (threadedge_initialize_values): New function.
16058         (threadedge_finalize_values): Likewise.
16059         * tree-ssa-dom.c (ssa_name_values): New global variable.
16060         (SSA_NAME_VALUE): Define.
16061         (tree_ssa_dominator_optimize): Initialize/free the value-handle array.
16063 2009-04-28  Ira Rosen  <irar@il.ibm.com>
16065         * tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
16066         Use REPORT_VECTORIZED_LOCATIONS instead
16067         REPORT_VECTORIZED_LOOPS.
16068         * tree-vectorizer.c (vect_verbosity_level): Make static.
16069         (vect_loop_location): Rename to vect_location.
16070         (vect_set_verbosity_level): Update comment.
16071         (vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
16072         and vect_location.
16073         (vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
16074         and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
16075         instead REPORT_UNVECTORIZED_LOOPS.
16076         * tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
16077         and vect_loop_def to vect_external_def and vect_internal_def.
16078         (enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
16079         and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and
16080         REPORT_UNVECTORIZED_LOCATIONS.
16081         (enum vect_relevant): Update comment. Rename vect_unused_in_loop
16082         and vect_used_in_loop and to vect_unused_in_scope and
16083         vect_used_in_scope.
16084         (STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
16085         (vect_verbosity_level): Remove declaration.
16086         (vect_analyze_operations): Likewise.
16087         (vect_analyze_stmt): Declare.
16088         * tree-vect-loop.c (vect_determine_vectorization_factor): Use
16089         REPORT_UNVECTORIZED_LOCATIONS.
16090         (vect_get_loop_niters): Fix indentation.
16091         (vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
16092         (vect_analyze_loop_operations): New function.
16093         (vect_analyze_loop): Call vect_analyze_loop_operations instead of
16094         vect_analyze_operations.
16095         (vect_is_simple_reduction): Use new names.
16096         (vectorizable_live_operation, vect_transform_loop): Likewise.
16097         * tree-vect-data-refs.c (vect_check_interleaving): Add a return value
16098         to specify whether the data references can be a part of interleaving
16099         chain.
16100         (vect_analyze_data_ref_dependence): Use new names.
16101         (vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
16102         (vect_create_addr_base_for_vector_ref): Remove redundant code.
16103         * tree-vect-patterns.c (widened_name_p): Use new names.
16104         (vect_recog_dot_prod_pattern): Likewise.
16105         * tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
16106         (process_use, vect_mark_stmts_to_be_vectorized,
16107         vect_model_simple_cost, vect_model_store_cost,
16108         vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
16109         vectorizable_call, vectorizable_conversion, vectorizable_assignment,
16110         vectorizable_operation, vectorizable_type_demotion,
16111         vectorizable_type_promotion, vectorizable_store, vectorizable_load,
16112         vectorizable_condition): Likewise.
16113         (vect_analyze_operations): Split into vect_analyze_loop_operations
16114         and ...
16115         (vect_analyze_stmt): ... new function.
16116         (new_stmt_vec_info): Use new names.
16117         (vect_is_simple_use): Use new names and fix comment.
16118         * tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
16119         (vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.
16121 2009-04-28  Uros Bizjak  <ubizjak@gmail.com>
16123         PR target/39911
16124         * config/i386/i386.c (print_operand) ['Z']: Handle floating point
16125         and integer modes for x87 operands.  Do not ICE for unsupported size,
16126         generate error instead.  Generate error for unsupported operand types.
16127         ['z']: Do not handle HImode memory operands specially.  Warning
16128         for floating-point operands.  Fallthru to 'Z' for unsupported operand
16129         types.  Do not ICE for unsupported size, generate error instead.
16130         (output_387_binary_op): Use %Z to output operands.
16131         (output_fp_compare): Ditto.
16132         (output_387_reg_move): Ditto.
16134 2009-04-28  Ben Elliston  <bje@au.ibm.com>
16136         PR c++/35652
16137         Revert:
16139         2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
16141         * builtins.c (c_strlen): Do not warn here.
16142         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
16143         * c-common.c (pointer_int_sum): Take an explicit location.
16144         Warn about offsets out of bounds.
16145         * c-common.h (pointer_int_sum): Adjust declaration.
16147 2009-04-27  Ian Lance Taylor  <iant@google.com>
16149         * collect2.c (is_ctor_dtor): Change type of ret field in struct
16150         names to symkind.
16151         * dce.c (run_fast_df_dce): Change type of old_flags to int.
16152         * df-core.c (df_set_flags): Change return type to int.  Change
16153         type of old_flags to int.
16154         (df_clear_flags): Likewise.
16155         * df-scan.c (df_def_record_1): Change 0 to VOIDmode.
16156         (df_get_conditional_uses): Likewise.
16157         * df.h (df_set_flags, df_clear_flags): Update declarations.
16158         * dwarf2out.c (struct indirect_string_node): Change type of form
16159         field to enum dwarf_form.
16160         (AT_string_form): Change return type to enum dwarf_form.
16161         * fixed-value.c (fixed_compare): Add cast to enum type.
16162         * fwprop.c (update_df): Change 0 to VOIDmode.
16163         * gensupport.c: Change 0 to UNKNOWN.
16164         * gimple.h (gimple_cond_code): Add cast to enum type.
16165         * haifa-sched.c (reemit_notes): Add cast to enum type.
16166         * hooks.c (hook_int_void_no_regs): Remove function.
16167         * hooks.h (hook_int_void_no_regs): Remove declaration.
16168         * optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
16169         * predict.c (combine_predictions_for_insn): Add casts to enum type.
16170         * real.c (real_arithmetic): Add cast to enum type.
16171         (real_compare): Likewise.
16172         * target.h (struct gcc_target): Change return type of
16173         branch_target_register_class to enum reg_class.
16174         * target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
16175         default_branch_target_register_class.
16176         * targhooks.c (default_branch_target_register_class): New function.
16177         * targhooks.h (default_branch_target_register_class): Declare.
16178         * tree-data-ref.c (print_direction_vector): Add cast to enum type.
16179         * tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
16180         cast to int.
16181         * tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
16182         ERROR_MARK.
16183         * tree-vect-slp.c (vect_build_slp_tree): Change 0 to
16184         vect_uninitialized_def.  Change 0 to ERROR_MARK.
16185         * tree-vect-stmts.c (supportable_widening_operation): Don't
16186         initialize icode1 and icode2.
16187         * tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
16188         * config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
16189         and to STD_C89.
16190         (cmn_err_flag_specs): Change 0 to STD_C89.
16191         (cmn_err_char_table): Likewise.
16192         * config/arm/arm.c (get_arm_condition_code): Change type of code
16193         to enum arm_cond_code.
16194         (IWMMXT_BUILTIN): Change 0 to UNKNOWN.
16195         (IWMMXT_BUILTIN2): Likewise.
16196         (neon_builtin_type_bits): Don't define typedef.
16197         (neon_builtin_datum): Change type of bits field to int.
16198         (arm_expand_neon_args): Add cast to enum type.
16199         * config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
16200         TLS_MODEL_NONE.
16201         * config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
16202         casts to enum type.
16203         * config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
16204         MIPS_FP_COND_f.
16205         * config/mips/mips.md (jal_macro): Return enum constant.
16206         (single_insn): Likewise.
16207         * config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
16208         CODE_FOR_nothing.
16209         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
16210         casts to enum type.
16211         * config/s390/s390.c (s390_tune_flags): Change type to int.
16212         (s390_arch_flags): Likewise.
16213         (s390_handle_arch_option): Change flags field of struct pta to int.
16214         * config/s390/s390.h (s390_tune_flags): Update declaration.
16215         (s390_arch_flags): Likewise.
16216         * config/sh/sh.c (prepare_move_operands): Compare
16217         tls_symbolic_operand result with enum constant.
16218         (sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
16219         (sh_expand_prologue): Add cast to enum type.
16220         (sh_expand_epilogue): Likewise.
16221         (tls_symbolic_operand): Change return type to enum tls_model.
16222         (fpscr_set_from_mem): Add cast to enum type.
16223         (legitimize_pic_address): Compare tls_symbolic_operand result with
16224         enum constant.
16225         (sh_target_reg_class): Change return type to enum reg_class.
16226         * config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
16227         PROCESSOR_xxx.
16228         * config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
16229         * config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
16230         * config/sparc/sparc.md (empty_delay_slot): Return enum constant.
16231         (pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
16232         (delayed_branch, tls_call_delay): Likewise.
16233         (eligible_for_sibcall_delay): Likewise.
16234         (eligible_for_return_delay): Likewise.
16235         * config/spu/spu.c (expand_builtin_args): Add cast to enum type.
16236         (spu_expand_builtin_1): Likewise.
16238         * c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
16239         for all types of conversions.
16240         (output_init_element): Issue -Wc++-compat warning if needed when
16241         initializing a bitfield with enum type.
16242         * c-parser.c (c_parser_expression): Set original_type to
16243         original_type of right hand operand of comma operator.
16245 2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
16247         * doc/c-tree.texi (Types, Functions, Expression trees): Fix
16248         grammar nits.
16249         * doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
16250         * doc/cpp.texi (Standard Predefined Macros)
16251         (Implementation-defined behavior): Likewise.
16252         * doc/extend.texi (Function Attributes, Type Attributes): Likewise.
16253         * doc/gimple.texi (GIMPLE Exception Handling)
16254         (@code{GIMPLE_ASSIGN}): Likewise.
16255         * doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
16256         * doc/invoke.texi (Warning Options, Optimize Options)
16257         (AVR Options, Darwin Options): Likewise.
16258         (Optimize Options): Reformulate -fwhole-program description.
16259         * doc/loop.texi (Lambda): Likewise.
16260         * doc/md.texi (Output Template, Define Constraints)
16261         (Standard Names, Insn Splitting): Likewise.
16262         * doc/options.texi (Option properties): Likewise.
16263         * doc/passes.texi (Tree-SSA passes): Likewise.
16264         * doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
16265         * doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
16266         (File Names and DBX): Likewise.
16267         * doc/trouble.texi (Incompatibilities): Likewise.
16269 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
16271         * spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
16272         instruction is correct.
16274 2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
16276         Allow non-constant arguments to conversion intrinsics.
16277         * spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
16278         * predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
16279         * spu.c (print_operand): Handle 'v' and 'w'.
16280         (exp2_immediate_p, spu_gen_exp2): Define.
16281         * spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
16282         spu_convtf_1): Update parameter descriptions.
16283         * spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
16284         * constraints.md ('v', 'w'): New.
16285         * spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
16286         Remove.
16287         (i2f, I2F): New define_mode_attr.
16288         (floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
16289         floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
16290         fixuns_truncv4sfv4si2):  Update to use mode attribute.
16291         (float<mode><i2f>2_mul, float<mode><i2f>2_div,
16292         fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
16293         floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
16294         patterns for combine.
16296 2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>
16298         * dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
16299         (cprop, hoist, pre, store_motion): New debug counters.
16300         * tree-pass.h (pass_tracer): Move to list of gimple passes, it
16301         is not an RTL pass anymore.
16302         (pass_profiling): Remove extern decl for pass removed in 2005.
16303         (pass_gcse, pass_jump_bypass): Remove.
16304         * final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
16305         to 0 for clean state.
16306         * toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
16307         * cse.c (gate_handle_cse_after_global_opts,
16308         rest_of_handle_cse_after_global_opts): New functions.
16309         (pass_cse_after_global_opts): New pass, does local CSE.
16310         * timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
16311         (TV_CPROP): New timevar.
16312         * gcse.c (flag_rerun_cse_after_global_opts): New global variable.
16313         (run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
16314         (gcse_main, recompute_all_luids): Remove.
16315         (compute_hash_table_work): Call max_reg_num instead of reading
16316         max_gcse_regno.
16317         (cprop_jump): Don't set run_jump_opt_after_gcse.
16318         (constprop_register): Always allow to alter jumps.
16319         (cprop_insn): Likewise.
16320         (do_local_cprop): Likewise.
16321         (local_cprop_pass): Likewise.  Return non-zero if something changed.
16322         (cprop): Remove function, fold interesting bits into one_cprop_pass.
16323         (find_implicit_sets): Add note about missed optimization opportunity.
16324         (one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
16325         pass_rtl_cprop execute function.
16326         Don't bother tracking the pass number, each pass gets its own dumpfile
16327         now anyway.
16328         Always allow to alter jumpsand bypass jumps.
16329         (bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
16330         will just find no suitable set.
16331         (pre_edge_insert): Fix dumping, this function is for PRE only.
16332         (one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
16333         pass_rtl_pre execute function.
16334         (hoist_code): Return non-zero if something changed.  Keep track of
16335         substitutions and insertions for statistics gathering similar to PRE.
16336         (one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
16337         called from the pass_rtl_hoist execute function.  Show pass statistics.
16338         (compute_store_table): Use max_reg_num directly instead of using the
16339         formerly global max_gcse_regno.
16340         (build_store_vectors): Likewise.
16341         (replace_store_insn): Fix dumping.
16342         (store_motion): Rename to ...
16343         (one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
16344         pass, called from the pass_rtl_store_motion execute function.  Keep
16345         track of substitutions and insertions for statistics gathering similar
16346         to PRE.
16347         (bypass_jumps): Remove, fold interesting bits into ...
16348         (one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
16349         from the pass_rtl_cprop execute function.
16350         (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
16351         pass_jump_bypass): Remove.
16352         (gate_handle_gcse, rest_of_handle_gcse): Remove.
16353         (gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
16354         (gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
16355         (gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
16356         (gate_rtl_store_motion, execute_rtl_store_motion,
16357         pass_rtl_store_motion): New.
16358         * common.opt: Remove flag_cse_skip_blocks, adjust documentation to
16359         make it clear that -fcse-skip-blocks is a no-op for backward compat.
16360         * passes.c (init_optimization_passes): Remove pass_gcse and
16361         pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
16362         and cse_after_global_opts in place of pass_gcse.  Schedule cprop
16363         instead of pass_jump_bypass.
16365 2009-04-27  Richard Guenther  <rguenther@suse.de>
16367         PR middle-end/39928
16368         * gimplify.c (gimplify_expr): If we are required to create
16369         a temporary make sure it ends up as register.
16371 2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>
16373         PR target/39903
16374         * config/i386/i386.c (construct_container): Don't call
16375         gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
16376         X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
16378 2009-04-27  Michael Matz  <matz@suse.de>
16380         * ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
16381         (get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
16382         * tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
16383         (dump_replaceable_exprs): Take a bitmap.
16384         * cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
16385         array.
16386         (expand_gimple_basic_block): Likewise.
16387         * tree-ssa-ter.c (struct temp_expr_table_d): Make
16388         replaceable_expressions member a bitmap.
16389         (free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
16390         (mark_replaceable): Likewise.
16391         (find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
16392         * tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.
16394 2009-04-27  Richard Guenther  <rguenther@suse.de>
16396         * tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
16397         (verify_stmts): Dispatch to gimple/type verification code.
16398         * tree-inline.c (remap_gimple_op_r): Work around C++ FE
16399         issue with call argument types.
16401 2009-04-27  Michael Matz  <matz@suse.de>
16403         * tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
16404         (init_update_ssa, delete_update_ssa, update_ssa): Remove references
16405         to above.
16407 2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
16408             Eric Botcazou  <ebotcazou@adacore.com>
16410         * resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
16411         a label's basic block.
16412         (mark_target_live_regs): Tidy and rework obsolete comments.
16413         Change back DF problem to LIVE.  If a label starts a basic block,
16414         assume that all registers that used to be live then still are.
16415         (init_resource_info): If a label starts a basic block, set its
16416         BLOCK_FOR_INSN accordingly.
16417         (fini_resource_info): Undo the setting of BLOCK_FOR_INSN.
16419 2009-04-27  Richard Guenther  <rguenther@suse.de>
16421         * tree-flow-inline.h (function_ann): Remove.
16422         (get_function_ann): Likewise.
16423         * tree-dfa.c (create_function_ann): Remove.
16424         * tree-flow.h (struct static_var_ann_d): Remove.
16425         (struct function_ann_d): Likewise.
16426         (union tree_ann_d): Remove fdecl member.
16427         (function_ann_t): Remove.
16428         (function_ann, get_function_ann, create_function_ann): Remove
16429         declarations.
16431 2009-04-27  Uros Bizjak  <ubizjak@gmail.com>
16433         * config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.
16435 2009-04-27  Jan Hubicka  <jh@suse.cz>
16437         * ipa-pure-const.c (struct funct_state_d): New fields
16438         state_previously_known, looping_previously_known; remove
16439         state_set_in_source.
16440         (analyze_function): Use new fields.
16441         (propagate): Avoid assumption that state_set_in_source imply
16442         nonlooping.
16444         * tree-ssa-loop-niter.c (finite_loop_p): New function.
16445         * tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
16446         * cfgloop.h (finite_loop_p): Declare.
16448 2009-04-26  Michael Matz  <matz@suse.de>
16450         * tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.
16452 2009-04-26  Michael Matz  <matz@suse.de>
16454         * tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
16455         pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
16456         * gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
16457         pass_mark_used_blocks): Remove.
16458         * tree-optimize.c (pass_free_datastructures,
16459         execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
16460         * passes.c (init_optimization_passes): Don't call
16461         pass_mark_used_blocks, remove dead code.
16463 2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>
16465         * tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
16466         * tree-ssa-live.h (register_ssa_partition): Likewise.
16468 2009-04-26  Michael Matz  <matz@suse.de>
16470         Expand from SSA.
16471         * builtins.c (fold_builtin_next_arg): Handle SSA names.
16472         * tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
16473         * tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
16474         SSA names.
16475         (compare_pairs): Swap cost comparison.
16476         (coalesce_ssa_name): Don't use change_partition_var.
16477         * tree-nrv.c (struct nrv_data): Add modified member.
16478         (finalize_nrv_r): Set it.
16479         (tree_nrv): Use it to update statements.
16480         (pass_nrv): Require PROP_ssa.
16481         * tree-mudflap.c (mf_decl_cache_locals,
16482         mf_build_check_statement_for): Use make_rename_temp.
16483         (pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
16484         * alias.c (find_base_decl): Handle SSA names.
16485         * emit-rtl (set_reg_attrs_for_parm): Make non-static.
16486         (component_ref_for_mem_expr): Don't leak SSA names into RTL.
16487         * rtl.h (set_reg_attrs_for_parm): Declare.
16488         * tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
16489         to "optimized", remove unused locals at finish.
16490         (execute_free_datastructures): Make global, call
16491         delete_tree_cfg_annotations.
16492         (execute_free_cfg_annotations): Don't call
16493         delete_tree_cfg_annotations.
16495         * ssaexpand.h: New file.
16496         * expr.c (toplevel): Include ssaexpand.h.
16497         (expand_assignment): Handle SSA names the same as register variables.
16498         (expand_expr_real_1): Expand SSA names.
16499         * cfgexpand.c (toplevel): Include ssaexpand.h.
16500         (SA): New global variable.
16501         (gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
16502         (SSAVAR): New macro.
16503         (set_rtl): New helper function.
16504         (add_stack_var): Deal with SSA names, use set_rtl.
16505         (expand_one_stack_var_at): Likewise.
16506         (expand_one_stack_var): Deal with SSA names.
16507         (stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
16508         before unique numbers.
16509         (expand_stack_vars): Use set_rtl.
16510         (expand_one_var): Accept SSA names, add asserts for them, feed them
16511         to above subroutines.
16512         (expand_used_vars): Expand all partitions (without default defs),
16513         then only the local decls (ignoring those expanded already).
16514         (expand_gimple_cond): Remove edges when jumpif() expands an
16515         unconditional jump.
16516         (expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
16517         or remove abnormal edges.  Ignore insns setting the LHS of a TERed
16518         SSA name.
16519         (gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
16520         members of SA; deal with PARM_DECL partitions here; expand
16521         all PHI nodes, free tree datastructures and SA.  Commit instructions
16522         on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
16523         (pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
16524         info and statements at start, collect garbage at finish.
16525         * tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
16526         (VAR_ANN_PARTITION) Remove.
16527         (change_partition_var): Don't declare.
16528         (partition_to_var): Always return SSA names.
16529         (var_to_partition): Only accept SSA names.
16530         (register_ssa_partition): Only check argument.
16531         * tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
16532         member.
16533         (delete_var_map): Don't free it.
16534         (var_union): Only accept SSA names, simplify.
16535         (partition_view_init): Mark only useful SSA names as used.
16536         (partition_view_fini): Only deal with SSA names.
16537         (change_partition_var): Remove.
16538         (dump_var_map): Use ssa_name instead of partition_to_var member.
16539         * tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
16540         basic blocks.
16541         * tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
16542         (struct _elim_graph): New member const_dests; nodes member vector of
16543         ints.
16544         (set_location_for_edge): New static helper.
16545         (create_temp): Remove.
16546         (insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
16547         insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
16548         (new_elim_graph): Allocate const_dests member.
16549         (clean_elim_graph): Truncate const_dests member.
16550         (delete_elim_graph): Free const_dests member.
16551         (elim_graph_size): Adapt to new type of nodes member.
16552         (elim_graph_add_node): Likewise.
16553         (eliminate_name): Likewise.
16554         (eliminate_build): Don't take basic block argument, deal only with
16555         partition numbers, not variables.
16556         (get_temp_reg): New static helper.
16557         (elim_create): Use it, deal with RTL temporaries instead of trees.
16558         (eliminate_phi): Adjust all calls to new signature.
16559         (assign_vars, replace_use_variable, replace_def_variable): Remove.
16560         (rewrite_trees): Only do checking.
16561         (edge_leader, stmt_list, leader_has_match, leader_match): Remove.
16562         (same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
16563         init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
16564         contains_tree_r, MAX_STMTS_IN_LATCH,
16565         process_single_block_loop_latch, analyze_edges_for_bb,
16566         perform_edge_inserts): Remove.
16567         (expand_phi_nodes): New global function.
16568         (remove_ssa_form): Take ssaexpand parameter.  Don't call removed
16569         functions, initialize new parameter, remember partitions having a
16570         default def.
16571         (finish_out_of_ssa): New global function.
16572         (rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
16573         don't reset in_ssa_p here, don't disable TER when mudflap.
16574         (pass_del_ssa): Remove.
16575         * tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
16576         partition members.
16577         (execute_free_datastructures): Declare.
16578         * Makefile.in (SSAEXPAND_H): New variable.
16579         (tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
16580         * basic-block.h (commit_one_edge_insertion): Declare.
16581         * passes.c (init_optimization_passes): Move pass_nrv and
16582         pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
16583         pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
16584         * cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
16585         (redirect_branch_edge): Deal with super block when expanding, split
16586         out jump patching itself into ...
16587         (patch_jump_insn): ... here, new static helper.
16589 2009-04-26  Michael Matz  <matz@suse.de>
16591         * tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
16592         beyond num_ssa_names.
16593         * tree-ssa-ter.c (free_temp_expr_table): Likewise.
16594         * tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.
16596 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
16598         PR inline-asm/39543
16599         * fwprop.c (forward_propagate_asm): New function.
16600         (forward_propagate_and_simplify): Propagate also into __asm, if it
16601         doesn't increase the number of referenced registers.
16603         PR c/39889
16604         * stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.
16606 2009-04-26  Jakub Jelinek  <jakub@redhat.com>
16608         * tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
16609         note_nonlocal_vla_type for nonlocal VLAs.
16610         (note_nonlocal_vla_type, note_nonlocal_block_vlas,
16611         contains_remapped_vars, remap_vla_decls): New functions.
16612         (convert_nonlocal_reference_stmt): If not optimizing, call
16613         note_nonlocal_block_vlas on GIMPLE_BIND block vars.
16614         (nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
16615         if it wasn't found in var_map.
16616         (finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
16617         GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
16618         to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
16619         declare_vars.
16620         * gimplify.c (nonlocal_vlas): New variable.
16621         (gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
16622         referenced VLAs.
16623         (gimplify_body): Create and destroy nonlocal_vlas.
16625         * dwarf2out.c (loc_descr_plus_const): New function.
16626         (build_cfa_aligned_loc, tls_mem_loc_descriptor,
16627         mem_loc_descriptor, loc_descriptor_from_tree_1,
16628         descr_info_loc, gen_variable_die): Use it.
16630         * tree.h (DECL_BY_REFERENCE): Note that it is also valid for
16631         !TREE_STATIC VAR_DECLs.
16632         * dwarf2out.c (loc_by_reference, gen_decl_die): Handle
16633         DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
16634         (gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
16635         DECL_BY_REFERENCE is valid.
16636         * dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
16637         for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
16638         * tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
16639         Copy DECL_BY_REFERENCE.
16640         (struct nesting_copy_body_data): New type.
16641         (nesting_copy_decl): New function.
16642         (finalize_nesting_tree_1): Remap types of debug_var_chain variables,
16643         if they have variable length.
16645 2009-04-26  Michael Matz  <matz@suse.de>
16647         * tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
16648         mark new temporaries for renaming.
16650 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
16652         PR c/39581
16653         * c-decl.c (global_bindings_p): Return negative value.
16654         (c_variable_size): New.  Based on variable_size from
16655         stor-layout.c.
16656         (grokdeclarator): Call c_variable_size not variable_size.
16658 2009-04-26  Uros Bizjak  <ubizjak@gmail.com>
16660         * config/i386/i386.c (print_operand) ['z']: Fix typo.
16662 2009-04-26  Kai Tietz  <kai.tietz@onevision.com>
16664         * config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
16665         Redefine it to just use mingw/include.
16666         (ASM_SPEC): Rules for -m32 and -m64.
16667         (LINK_SPEC): Use Likewise.
16668         (SPEC_32): New define.
16669         (SPEC_64): Likewise.
16670         (SUB_LINK_SPEC): Likewise.
16671         (MULTILIB_DEFAULTS): New define.
16672         * config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
16673         Add multilib options.
16674         (MULTILIB_DIRNAMES): Likewise.
16675         (MULTILIB_OSDIRNAMES): Likewise.
16676         (LIBGCC): Likewise.
16677         (INSTALL_LIBGCC): Likewise.
16679 2009-04-26  Joseph Myers  <joseph@codesourcery.com>
16681         PR c/39556
16682         * c-tree.h (enum c_inline_static_type): New.
16683         (record_inline_static): Declare.
16684         * c-decl.c (struct c_inline_static, c_inline_statics,
16685         record_inline_static, check_inline_statics): New.
16686         (pop_file_scope): Call check_inline_statics.
16687         (start_decl): Call record_inline_static instead of pedwarning
16688         directly for static in inline function.
16689         * c-typeck.c (build_external_ref): Call record_inline_static
16690         instead of pedwarning directly for static referenced in inline
16691         function.
16693 2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>
16695         * df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
16696         not new but only being rescanned.
16697         * gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
16698         reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
16699         alloc_reg_set_mem, free_reg_set_mem, record_one_set,
16700         record_set_info, compute_set, grealloc): Remove.
16701         (recompute_all_luids): New function.
16702         (gcse_main): Don't compute sets, and don't do related memory
16703         allocations/free-ing.  If something changed before the end of the
16704         pass, update LUIDs using recompute_all_luids.
16705         (alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
16706         (free_gcse_mem): Don't free it either.
16707         (oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
16708         Use the df insn LUIDs.
16709         (load_killed_in_block): Likewise.
16710         (compute_hash_table_work): Don't compute reg_set_in_block.
16711         (compute_transp): Use DF_REG_DEF_CHAINs.
16712         (local_cprop_pass): Don't use compute_sets and related functions.
16713         (one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
16714         Use get_max_uid() instead of max_cuid.
16715         (insert_insn_end_basic_block, pre_insert_copy_insn,
16716         update_ld_motion_stores): Don't try to
16717         keep reg_set tables up to date.
16718         (pre_insert_copies): Use df insn LUIDs.
16719         (sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
16720         (reg_set_info): Don't use extra bitmap argument.
16721         (compute_store_table): Don't compute reg_set_in_block.  Use DF scan
16722         information to compute regs_set_in_block.
16723         (free_store_memory, store_motion): Don't nullify reg_set_in_block.
16724         (bypass_jumps): Don't use compute_sets and friends.
16726 2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
16728         PR testsuite/39710
16729         * opts.c (undocumented_msg): Do not leave blank even with
16730         ENABLE_CHECKING.
16732 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
16734         * c-decl.c (build_enumerator): Allow values folding to integer
16735         constants but not integer constant expressions with a pedwarn if
16736         pedantic.
16738 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
16740         PR c/39582
16741         * c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
16742         with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
16743         type is an integer constant.
16745 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
16747         PR target/39897
16748         * config/i386/i386.c (print_operand) ['z']: Revert handling of
16749         HImode operands.
16751 2009-04-25  Joseph Myers  <joseph@codesourcery.com>
16753         PR c/39564
16754         * c-decl.c (grokdeclarator): Diagnose declarations of functions
16755         with variably modified return type and no storage class
16756         specifiers, except for the case of nested functions.  Distinguish
16757         extern declarations of functions with variably modified return
16758         types from those of objects with variably modified types.
16760 2009-04-25  Jan Hubicka  <jh@suse.cz>
16762         * tree.c (list_equal_p): New function.
16763         * tree.h (list_equal_p): Declare.
16764         * coretypes.h (edge_def, edge, const_edge, basic_block_def
16765         basic_block_def, basic_block, const_basic_block): New.
16766         * tree-eh.c (make_eh_edge): EH edges are not abnormal.
16767         (redirect_eh_edge): New function.
16768         (make_eh_edge_update_phi): EH edges are not abnormal.
16769         * except.c: Include tree-flow.h.
16770         (list_match): New function.
16771         (eh_region_replaceable_by_p): New function.
16772         (replace_region): New function.
16773         (hash_type_list): New function.
16774         (hash_eh_region): New function.
16775         (eh_regions_equal_p): New function.
16776         (merge_peers): New function.
16777         (remove_unreachable_regions): Verify EH tree when checking;
16778         merge peers.
16779         (copy_eh_region_1): New function.
16780         (copy_eh_region): New function.
16781         (push_reachable_handler): New function.
16782         (build_post_landing_pads, dw2_build_landing_pads): Be ready for
16783         regions without label but with live RESX.
16784         * except.h (redirect_eh_edge_to_label): New.
16785         * tree-flow.h (redirect_eh_edge): New.
16786         * coretypes.h (edge_def, edge, const_edge, basic_block_def
16787         basic_block_def, basic_block, const_basic_block): Remove.
16788         * Makefile.in (except.o): Add dependency on tree-flow.h
16789         * tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
16790         * basic-block.h (edge, const_edge, basic_block, const_basic_block):
16791         Remove.
16793 2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>
16795         PR bootstrap/39645
16796         * config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
16797         on the destination of memcpy.
16799 2009-04-25  Paolo Bonzini  <bonzini@gnu.org>
16801         * doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
16802         REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
16803         REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.
16805 2009-04-25  Jan Hubicka  <jh@suse.cz>
16807         * tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
16808         (tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
16809         to be reached by different label than left.
16810         (update_eh_edges): Update comment; remove edge_to_remove if possible
16811         and return true if suceeded.
16812         (cleanup_empty_eh): Accept sharing map; handle shared regions.
16813         (cleanup_eh): Compute sharing map.
16814         * except.c (remove_eh_handler_and_replace): Add argument if we should
16815         update regions.
16816         (remove_unreachable_regions): Update for label sharing.
16817         (label_to_region_map): Likewise.
16818         (get_next_region_sharing_label): New function.
16819         (remove_eh_handler_and_replace): Add update_catch_try parameter; update
16820         prev_try pointers.
16821         (remove_eh_handler): Update.
16822         (remove_eh_region_and_replace_by_outer_of): New function.
16823         * except.h (struct eh_region): Add next_region_sharing_label.
16824         (remove_eh_region_and_replace_by_outer_of,
16825         get_next_region_sharing_label): Declare.
16826         * tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.
16828 2009-04-25  Jan Hubicka  <jh@suse.cz>
16830         * tree-cfg.c (split_critical_edges): Split also edges where we can't
16831         insert code even if they are not critical.
16833 2009-04-25  Jan Hubicka  <jh@suse.cz>
16835         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
16836         (gimple_can_remove_branch_p): EH edges won't remove branch by
16837         redirection.
16838         * tree-inline.c (update_ssa_across_abnormal_edges): Do handle
16839         updating of non-abnormal EH edges.
16840         * tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
16841         (gimple_can_remove_branch_p): EH edges are unremovable by redirection.
16842         (split_critical_edges): Split also edges where emitting code on them
16843         will lead to splitting later.
16845 2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
16846             H.J. Lu  <hongjiu.lu@intel.com>
16848         PR target/39590
16849         * configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
16850         the configured assembler supports fildq and fistpq mnemonics.
16851         (HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
16852         * configure: Regenerated.
16853         * config.in: Ditto.
16855         * config/i386/i386.c (print_operand): Handle 'Z'.
16856         ['z']: Remove handling of special fild/fist suffixes.
16857         (output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
16858         * config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
16859         suffix of fild insn.
16860         (*floatsi<mode>2_vector_mixed): Ditto.
16861         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
16862         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
16863         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
16864         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
16865         * config/i386/gas.h (GAS_MNEMONICS): Remove.
16867 2009-04-25  Ben Elliston  <bje@au.ibm.com>
16869         * genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
16870         the source of a set operation.
16872 2009-04-25  Anatoly Sokolov  <aesok@post.ru>
16874         * target.h (struct gcc_target): Add case_values_threshold field.
16875         * target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
16876         (TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
16877         * targhooks.c (default_case_values_threshold): New function.
16878         * targhooks.h (default_case_values_threshold): Declare function.
16879         * stmt.c (expand_case): Use case_values_threshold target hook.
16880         * expr.h (case_values_threshold): Remove declartation.
16881         * expr.c (case_values_threshold): Remove function.
16882         * doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.
16884         * config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
16885         * config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
16886         (avr_case_values_threshold): Declare as static.
16887         * config/avr/avr-protos.h (avr_case_values_threshold): Remove.
16889         * config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
16890         * config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
16891         (mn10300_case_values_threshold): New function.
16893 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
16895         * ira.c (setup_cover_and_important_classes): Add enum cast.
16897 2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>
16899         * genpreds.c (write_enum_constraint_num): Output definition of
16900         CONSTRAINT_NUM_DEFINED_P macro.
16901         * ira.c (setup_cover_and_important_classes): Use
16902         CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.
16904 2009-04-24  DJ Delorie  <dj@redhat.com>
16906         * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
16907         __SH2A_SINGLE_ONLY__ also.
16909 2009-04-24  Steve Ellcey  <sje@cup.hp.com>
16911         * config/ia64/ia64.md (movfs_internal): Allow flt constants.
16912         (movdf_internal): Ditto.
16913         * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
16914         SFmode and DFmode constants.
16915         (ia64_print_operand): Add 'G' format for printing
16916         floating point constants.
16918 2009-04-24  Richard Guenther  <rguenther@suse.de>
16920         * tree-vrp.c (extract_range_from_binary_expr): Handle overflow
16921         from unsigned additions.
16923 2009-04-24  Joseph Myers  <joseph@codesourcery.com>
16925         * c-typeck.c (set_init_index): Allow array designators that are
16926         not integer constant expressions with a pedwarn if pedantic.
16928 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
16930         * simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
16931         zero if no overlap in nonzero bits between the operands.
16933 2009-04-24  Ian Lance Taylor  <iant@google.com>
16935         * combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
16936         (record_dead_and_set_regs): Likewise.
16937         * df.h (struct df_mw_hardreg): Change flags field to int.
16938         (struct df_base_ref): Likewise.
16939         (struct df): Change changeable_flags field to int.
16940         * df-scan.c (df_defs_record): Change clobber_flags to int.
16941         * dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
16942         constants rather than #define macros.
16943         (enum dwarf_attribute, enum dwarf_location_atom): Likewise.
16944         (enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
16945         (enum dwarf_calling_convention): Likewise.
16946         (enum dwarf_line_number_x_ops): Likewise.
16947         (enum dwarf_call_frame_info): Likewise.
16948         (enum dwarf_source_language): Likewise.
16949         * dwarf2out.c (int_loc_descriptor): Add cast to enum type.
16950         (add_calling_convention_attribute): Likewise.
16951         * fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
16952         (combine_comparisons): Change compcode to int.  Add cast to enum type.
16953         * genrecog.c (maybe_both_true_2): Change c to int.
16954         (write_switch): Likewise.  Add cast to enum type.
16955         * gimplify.c (gimplify_omp_for): Handle return values from
16956         gimplify_expr using MIN rather than bitwise or.
16957         (gimplify_expr): Add cast to enum type.
16958         * ipa-prop.c (update_jump_functions_after_inlining): Change
16959         IPA_BOTTOM to IPA_JF_UNKNOWN.
16960         * ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
16961         Add casts to enum type.
16962         (setup_cover_and_important_classes): Change cl to int.  Add casts
16963         to enum type.
16964         (setup_class_translate): Change cl and mode to int.
16965         (ira_init_once): Change mode to int.
16966         (free_register_move_costs): Likewise.
16967         (setup_prohibited_mode_move_regs): Add casts to enum type.
16968         * langhooks.c (add_builtin_function_common): Rework assertion that
16969         value fits bitfield.
16970         * mcf.c (add_fixup_edge): Change type parameter to edge_type.
16971         * omega.c (omega_do_elimination): Avoid math on enum types.
16972         * optabs.c (expand_vec_shift_expr): Remove casts to int.
16973         * opts.c (set_debug_level): Change 2 to enum constant.  Use new
16974         int local to handle integral_argment value.
16975         * regmove.c (try_auto_increment): Change PUT_MODE to
16976         PUT_REG_NOTE_KIND.
16977         * reload.c (push_secondary_reload): Add casts to enum type.
16978         (secondary_reload_class, find_valid_class): Likewise.
16979         * reload1.c (emit_input_reload_insns): Likewise.
16980         * rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
16981         * sel-sched.c (init_hard_regs_data): Change cur_mode to int.
16982         * sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
16983         constant.
16984         * tree.c (build_common_builtin_nodes): Add casts to enum type.
16985         * tree-complex.c (complex_lattice_t): Typedef to int rather than
16986         enum type.
16987         (expand_complex_libcall): Add casts to enum type.
16988         * tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
16989         * tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
16990         with ERROR_MARK, not NUM_TREE_CODES.
16991         (vect_create_epilog_for_reduction): Likewise.
16992         (vectorizable_reduction): Don't initialize epiloc_reduc_code.
16993         When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
16994         * tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
16995         enum machine_mode.
16996         * tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
16997         vect_unused_in_loop.  Change 0 to loop_vect.
16998         * tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
16999         * var-tracking.c (get_init_value): Change return type to enum
17000         var_init_status.
17001         * vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
17002         * config/arm/arm.c (fp_model_for_fpu): Change to array to enum
17003         arm_fp_model.
17004         (arm_override_options): Add casts to enum type.
17005         (arm_emit_tls_decoration): Likewise.
17006         * config/i386/i386.c (ix86_function_specific_restore): Add casts
17007         to enum type.
17008         * config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
17009         * config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
17010         * config/rs6000/rs6000.c (rs6000_override_options): Add casts to
17011         enum type.
17012         * config/s390/s390.c (code_for_builtin_64): Change to array of
17013         enum insn_code.
17014         (code_for_builtin_31): Likewise.
17015         (s390_expand_builtin): Change code_for_builtin to enum insn_code
17016         const *.
17017         * config/sparc/sparc.c (sparc_override_options): Change value
17018         field in struct code_model to enum cmodel.  In initializer change
17019         0 to NULL and add cast to enum type.
17021         * c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
17022         Change all callers.  Issue a -Wc++-compat warning using
17023         lhs_origtype if necessary.
17024         (convert_for_assignment): Issue -Wc++-compat warnings about
17025         invalid conversions to enum type on assignment.
17026         * c-common.h (build_modify_expr): Update declaration.
17028 2009-04-24  Nick Clifton  <nickc@redhat.com>
17030         * config/iq2000/iq2000.c (function_arg): Handle TImode values.
17031         (function_arg_advance): Likewise.
17032         * config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
17033         5th alternative.
17035 2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
17037         * config/s390/constraints.md ('I', 'J'): Fix condition.
17039 2009-04-24  Diego Novillo  <dnovillo@google.com>
17041         * gengtype-parse.c (parse_error): Add newline after message.
17043 2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>
17045         * config/i386/sse.md (avxmodesuffixs): Removed.
17046         (*avx_pinsr<avxmodesuffixs>): Renamed to ...
17047         (*avx_pinsr<ssevecsize>): This.
17049 2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>
17051         * loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
17052         follow chains of regs with a single definition, and allow expressions
17053         that are function_invariant_p.
17054         (simple_rhs_p): Allow expressions that are function_invariant_p.
17056 2009-04-24  Paolo Bonzini  <bonzini@gnu.org>
17058         PR middle-end/39867
17059         * fold-const.c (fold_cond_expr_with_comparison): When folding
17060         > and >= to MAX, make sure the MAX uses the same type as the
17061         comparison's operands.
17063 2009-04-24  Nick Clifton  <nickc@redhat.com>
17065         * config/frv/frv.c (frv_frame_access): Do not use reg+reg
17066         addressing for DImode accesses.
17067         (frv_print_operand_address): Handle PLUS case.
17068         * config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.
17070 2009-04-24  Jakub Jelinek  <jakub@redhat.com>
17072         PR rtl-optimization/39794
17073         * alias.c (canon_true_dependence): Add x_addr argument.
17074         * rtl.h (canon_true_dependence): Adjust prototype.
17075         * cse.c (check_dependence): Adjust canon_true_dependence callers.
17076         * cselib.c (cselib_invalidate_mem): Likewise.
17077         * gcse.c (compute_transp): Likewise.
17078         * dse.c (scan_reads_nospill): Likewise.
17079         (record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
17080         addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
17081         canon_base_addr of the group, plus optional offset.
17082         (struct group_info): Rename canon_base_mem to
17083         canon_base_addr.
17084         (get_group_info): Set canon_base_addr to canon_rtx of base, not
17085         canon_rtx of base_mem.
17087 2009-04-23  Paolo Bonzini  <bonzini@gnu.org>
17089         * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
17090         Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.
17092 2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
17094         * config/spu/spu-builtins.h: Delete file.
17096         * config/spu/spu.h (enum spu_builtin_type): Move here from
17097         spu-builtins.h.
17098         (struct spu_builtin_description): Likewise.  Add GTY marker.
17099         Do not use enum spu_function_code or enum insn_code.
17100         (spu_builtins): Add extern declaration.
17102         * config/spu/spu.c: Do not include "spu-builtins.h".
17103         (enum spu_function_code, enum spu_builtin_type_index,
17104         V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
17105         V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
17106         unsigned_V8HI_type_node, unsigned_V4SI_type_node,
17107         unsigned_V2DI_type_node): Move here from spu-builtins.h.
17108         (spu_builtin_types): Make static.  Add GTY marker.
17109         (spu_builtins): Add extern declaration with GTY marker.
17110         Include "gt-spu.h".
17112         * config/spu/spu-c.c: Do not include "spu-builtins.h".
17113         (spu_resolve_overloaded_builtin): Do not use spu_function_code.
17114         Check programmatically whether all parameters are scalar.
17116         * config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.
17118 2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>
17120         * gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
17121         assignment from the constructor either if the target is volatile.
17123 2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>
17125         * config/arm/arm.md (insv): Do not share operands[0].
17127 2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>
17129         * config/vxlib-tls.c (active_tls_threads): Delete.
17130         (delete_hook_installed): New.
17131         (tls_delete_hook): Don't delete the delete hook.
17132         (tls_destructor): Delete it here.
17133         (__gthread_set_specific): Adjust installing the delete hook.
17134         (tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
17135         __gthread_leave_tsd_dtor_context.
17137 2009-04-23  Rafael Avila de Espindola  <espindola@google.com>
17139         * c-format.c (gcc_tdiag_char_table): Add support for %E.
17141 2009-04-23  Uros Bizjak  <ubizjak@gmail.com>
17143         * config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
17144         enum type.
17145         (alpha_rtx_costs): Ditto.
17146         (emit_unlikely_jump): Use add_reg_note.
17147         (emit_frame_store_1): Ditto.
17148         (alpha_expand_prologue): Ditto.
17149         (alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
17150         * config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.
17152 2009-04-23  Nick Clifton  <nickc@redhat.com>
17154         * config/v850/v850.md (epilogue): Remove suppressed code.
17155         (return): Rename to return_simple and remove test of frame size.
17156         * config/v850/v850.c (expand_epilogue): Rename call to gen_return
17157         to gen_return_simple.
17159 2009-04-22  Jing Yu  <jingyu@google.com>
17161         PR testsuite/39781
17162         * config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
17164 2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17166         PR C/31499
17167         * c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
17168         and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
17169         value is a VECTOR_CST, the element type is the element type of the
17170         vector.
17172 2009-04-22  DJ Delorie  <dj@redhat.com>
17174         * config/m32c/m32c.h: Update GTY annotations to new syntax.
17176 2009-04-22  Jakub Jelinek  <jakub@redhat.com>
17178         * alias.c (find_base_term): Move around LO_SUM case, so that
17179         CONST falls through into PLUS/MINUS handling.
17181         PR c/39855
17182         * fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
17183         into 0, use omit_one_operand.
17185 2009-04-23  Ben Elliston  <bje@au.ibm.com>
17187         * config/rs6000/linux-unwind.h (get_regs): Remove type
17188         puns. Change the type of `pc' to an array of unsigned ints and
17189         update all users.  Constify frame24.
17191 2009-04-22  DJ Delorie  <dj@redhat.com>
17193         * config/m32c/m32c.c (m32c_special_page_vector_p): Move
17194         declarations before code.
17195         (current_function_special_page_vector): Likewise.
17196         (m32c_expand_insv): Silence a warning.
17198 2009-04-21  Taras Glek  <tglek@mozilla.com>
17200         * alias.c: Update GTY annotations to new syntax.
17201         * basic-block.h: Likewise.
17202         * bitmap.h: Likewise.
17203         * c-common.h: Likewise.
17204         * c-decl.c: Likewise.
17205         * c-parser.c: Likewise.
17206         * c-pragma.c: Likewise.
17207         * c-tree.h: Likewise.
17208         * cfgloop.h: Likewise.
17209         * cgraph.h: Likewise.
17210         * config/alpha/alpha.c: Likewise.
17211         * config/arm/arm.h: Likewise.
17212         * config/avr/avr.h: Likewise.
17213         * config/bfin/bfin.c: Likewise.
17214         * config/cris/cris.c: Likewise.
17215         * config/darwin.c: Likewise.
17216         * config/frv/frv.c: Likewise.
17217         * config/i386/i386.c: Likewise.
17218         * config/i386/i386.h: Likewise.
17219         * config/i386/winnt.c: Likewise.
17220         * config/ia64/ia64.h: Likewise.
17221         * config/iq2000/iq2000.c: Likewise.
17222         * config/mips/mips.c: Likewise.
17223         * config/mmix/mmix.h: Likewise.
17224         * config/pa/pa.c: Likewise.
17225         * config/pa/pa.h: Likewise.
17226         * config/rs6000/rs6000.c: Likewise.
17227         * config/s390/s390.c: Likewise.
17228         * config/sparc/sparc.c: Likewise.
17229         * config/xtensa/xtensa.c: Likewise.
17230         * cselib.h: Likewise.
17231         * dbxout.c: Likewise.
17232         * dwarf2out.c: Likewise.
17233         * except.c: Likewise.
17234         * except.h: Likewise.
17235         * fixed-value.h: Likewise.
17236         * function.c: Likewise.
17237         * function.h: Likewise.
17238         * gimple.h: Likewise.
17239         * integrate.c: Likewise.
17240         * optabs.c: Likewise.
17241         * output.h: Likewise.
17242         * real.h: Likewise.
17243         * rtl.h: Likewise.
17244         * stringpool.c: Likewise.
17245         * tree-data-ref.c: Likewise.
17246         * tree-flow.h: Likewise.
17247         * tree-scalar-evolution.c: Likewise.
17248         * tree-ssa-address.c: Likewise.
17249         * tree-ssa-alias.h: Likewise.
17250         * tree-ssa-operands.h: Likewise.
17251         * tree.c: Likewise.
17252         * tree.h: Likewise.
17253         * varasm.c: Likewise.
17254         * varray.h: Likewise.
17255         * vec.h: Likewise.
17256         * coretypes.h: Do not define GTY macro if it is already defined.
17257         * doc/gty.texi: Update GTY documentation to new syntax.
17258         * gengtype-lex.l: Enforce attribute-like syntax for GTY
17259         annotations on structs.
17260         * gengtype-parse.c: Likewise.
17262 2009-04-22  Mark Heffernan  <meheff@google.com>
17264         * gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.
17266 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
17268         * config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
17269         where appropriate.
17271 2009-04-22  Kazu Hirata  <kazu@codesourcery.com>
17273         * config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
17274         the same as a PLUS without a shift.  Increase the cost of a
17275         CONST_INT in MULT.
17277 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
17279         * Makefile.in: Update dependencies.
17280         * errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
17281         * errors.h: Remove bogus comment about compatibility.
17282         (warning): Update declaration.
17283         * genautomata.c: Update all calls to warning.
17284         * gimple.c: Do not include errors.h. Include toplev.h.
17285         * tree-ssa-structalias.c: Do not include errors.h.
17286         * omega.c: Likewise.
17287         * tree-ssa-reassoc.c: Likewise.
17288         * config/spu/spu-c.c: Likewise.
17289         * config/spu/t-spu-elf: Update dependencies.
17291 2009-04-22  Richard Guenther  <rguenther@suse.de>
17293         PR tree-optimization/39824
17294         * tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
17295         make sure the types are compatible.
17297 2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
17299         PR c++/14875
17300         * c-common.c (c_parse_error): Take a token_flags parameter.
17301         Use token_type for the token type instead.
17302         Pass token_flags to cpp_type2name.
17303         * c-common.h (c_parse_error): Update declaration.
17304         * c-parser.c (c_parser_error): Pass 0 as token flags.
17306 2009-04-22  Andrey Belevantsev  <abel@ispras.ru>
17308         PR rtl-optimization/39580
17309         * sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert.
17311 2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
17313         * function.c (expand_function_end): Do not emit a jump to the "naked"
17314         return label for fall-through returns.
17315         * except.c (sjlj_emit_function_exit): Always place the call to the
17316         unregister function at the location installed by expand_function_end.
17318 2009-04-22  Richard Guenther  <rguenther@suse.de>
17320         PR tree-optimization/39845
17321         * tree-switch-conversion.c (build_arrays): Add new referenced vars.
17322         (gen_inbound_check): Likewise.
17324 2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>
17326         * gthr-vxworks.h (struct __gthread_once_t): Add alignment and
17327         padding for PPC.
17328         (__GTHREAD_ONCE_INIT): Adjust ppc initializer.
17329         * config/vxlib.c (__gthread_once): Add race guard for PPC.
17331 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
17333         * config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
17334         sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
17335         shift counts to avoid out-of-bounds array accesses.
17337 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
17339         * config/sparc/sparc.h (POINTER_SIZE): Fix comment.
17340         (Pmode): Move above.
17342 2009-04-22  Uros Bizjak  <ubizjak@gmail.com>
17344         * config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
17345         NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
17346         GET_CODE macro.  Use IN_RANGE macro where appropriate.
17347         * config/alpha/alpha.h: Ditto.
17348         * config/alpha/alpha.md: Ditto.
17349         * config/alpha/constraints.md: Ditto.
17350         * config/alpha/predicates.md: Ditto.
17352 2009-04-22  Paolo Bonzini  <bonzini@gnu.org>
17354         * defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
17355         * config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
17356         * config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
17357         * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
17358         * config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
17359         * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
17360         * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
17361         * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
17362         * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
17363         * config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
17364         * config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
17365         * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
17366         * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
17367         * config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
17368         * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
17369         * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
17370         * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
17371         * config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
17372         * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
17373         * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
17374         * config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
17375         * config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
17376         * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
17377         * config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
17378         * config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
17379         * config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
17380         * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
17382 2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
17384         * cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
17385         references from comments.
17386         * cfgbuild.c: (count_basic_blocks): Delete.
17387         (find_basic_blocks_1): Delete.
17388         (find_basic_blocks): Delete.
17389         * except.c (finish_eh_generation): Make static.  Move comment from
17390         except.h here.  Remove find_basic_blocks references from comments.
17391         * except.h (finish_eh_generation): Delete.
17392         * basic-block.h (find_basic_blocks): Delete.
17393         * config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.
17395 2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>
17397         * sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
17398         (sdbout_parms):  Likewise.
17400 2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
17402         * config/sh/sh.c (prepare_cbranch_operands): Use
17403         LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
17404         (expand_cbranchdi4): Likewise.
17405         (from_compare): Add cast to enum type.
17406         (expand_cbranchsi4): Use add_reg_note.
17407         (output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
17408         (sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
17409         (sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
17410         (sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
17411         * config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
17412         instead of CODE_FOR_nothing.
17413         (cbranchdi4): Likewise.  Fix the order of arguments for
17414         gen_rtx_fmt_ee.
17415         (push_fpscr): Use add_reg_note.
17416         (pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
17417         reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.
17419 2009-04-21  Joseph Myers  <joseph@codesourcery.com>
17421         * ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
17422         ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
17423         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
17424         ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
17425         ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
17426         FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
17427         config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
17428         config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
17429         config/alpha/x-vms, config/arc/t-arc,
17430         config/arm/README-interworking, config/arm/arm-c.c,
17431         config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
17432         config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
17433         config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
17434         config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
17435         config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
17436         config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
17437         config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
17438         config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
17439         config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
17440         config/cris/t-elfmulti, config/crx/t-crx,
17441         config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
17442         config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
17443         config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
17444         config/h8300/t-h8300, config/i386/athlon.md,
17445         config/i386/darwin-libgcc.10.4.ver,
17446         config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
17447         config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
17448         config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
17449         config/i386/t-linux64, config/i386/t-nwld,
17450         config/i386/t-rtems-i386, config/i386/t-sol2-10,
17451         config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
17452         config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
17453         config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
17454         config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
17455         config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
17456         config/iq2000/t-iq2000, config/libgcc-glibc.ver,
17457         config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
17458         config/m32r/t-m32r, config/m68hc11/t-m68hc11,
17459         config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
17460         config/m68k/t-uclinux, config/mcore/t-mcore,
17461         config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
17462         config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
17463         config/mips/crtn.asm, config/mips/irix-crti.asm,
17464         config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
17465         config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
17466         config/mips/mips-fixed.md, config/mips/sb1.md,
17467         config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
17468         config/mips/t-iris6, config/mips/t-isa3264,
17469         config/mips/t-libgcc-mips16, config/mips/t-linux64,
17470         config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
17471         config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
17472         config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
17473         config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
17474         config/mn10300/t-linux, config/mn10300/t-mn10300,
17475         config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
17476         config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
17477         config/picochip/libgccExtras/clzsi2.asm,
17478         config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
17479         config/rs6000/darwin-libgcc.10.4.ver,
17480         config/rs6000/darwin-libgcc.10.5.ver,
17481         config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
17482         config/rs6000/t-aix43, config/rs6000/t-aix52,
17483         config/rs6000/t-darwin, config/rs6000/t-fprules,
17484         config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
17485         config/rs6000/t-lynx, config/rs6000/t-netbsd,
17486         config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
17487         config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
17488         config/rs6000/t-rtems, config/rs6000/t-spe,
17489         config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
17490         config/score/t-score-elf, config/sh/divcost-analysis,
17491         config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
17492         config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
17493         config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
17494         config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
17495         config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
17496         config/stormy16/stormy-abi, config/stormy16/t-stormy16,
17497         config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
17498         config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
17499         config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
17500         config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
17501         config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
17502         gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
17503         java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
17504         limitx.h, version.c, xcoff.h: Add copyright and license notices.
17505         * config/h8300/genmova.sh: Include copyright and license notices
17506         in generated output.
17507         * config/h8300/mova.md: Regenerate.
17508         * doc/install.texi2html: Include word "Copyright" in copyright
17509         notice and use name "Free Software Foundation, Inc.".
17510         * ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
17511         ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
17512         ChangeLog-2007, ChangeLog-2008: Correct dates.
17514 2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>
17516         * c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
17517         NE_EXPR operations as well.
17518         * c-parser.c (c_parser_condition): Do not set location information on
17519         the condition.
17520         (c_parser_conditional_expression): Likewise.
17521         (c_parser_binary_expression): Set location information on operators.
17522         * c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
17523         TRUTH_NOT_EXPR has been folded.
17524         * fold-const.c (fold_truth_not_expr): Copy location information from
17525         the incoming expression to the outgoing one.
17526         * gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
17527         recursive calls on the LHS of the operator but pass that of the
17528         operator to recursive calls on the RHS of the operator.  Set it
17529         on the COND_EXPR.
17530         (shortcut_cond_expr): Set the locus of the operator on the second
17531         COND_EXPR and that of the expression on the first in degenerate cases.
17532         Pass the locus of the expression to calls to shortcut_cond_r.
17533         Set the locus of the 'then' block on the associated jump, if any.
17534         (gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
17535         (gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
17536         expression to call to gimplify_boolean_expr.
17538 2009-04-21  Kai Tietz  <kai.tietz@onevision.com>
17540         * config.gcc: Add additional configuration for
17541         i686-w64-mingw* and x86_64-w64-mingw* triplet.
17542         * config/i386/mingw-w64.h: New mingw-w64 specific header.
17543         (CPP_SPEC): Redefine for allowing -municode option.
17544         (STARTFILE_SPEC): Likewise.
17545         * config/i386/t-mingw-w64: New.
17546         * config/i386/mingw-w64.opt: New.
17547         (municode): Add new target option.
17548         * doc/invoke.texi (municode): Add documentation for new option.
17550 2009-04-21  Ian Lance Taylor  <iant@google.com>
17552         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
17553         Correct test for number of arguments.
17554         * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.
17556 2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>
17558         * config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
17559         argument of emit_library_call.
17561 2009-04-21  Richard Guenther  <rguenther@suse.de>
17563         PR middle-end/39829
17564         * gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
17565         inside VIEW_CONVERT_EXPRs.
17567 2009-04-21  Martin Jambor  <mjambor@suse.cz>
17569         * tree-switch-conversion.c (build_constructors): Split a long line.
17570         (constructor_contains_same_values_p): New function.
17571         (build_one_array): Create assigns of constants if possible, do not
17572         call mark_sym_for_renaming, call update_stmt.
17573         (build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
17574         make_rename_temp.  Do not call mark_symbols_for_renaming, call
17575         update_stmt.
17576         (gen_def_assigns): Do not call mark_symbols_for_renaming or
17577         find_new_referenced_vars, call update_stmt.
17578         (gen_inbound_check): Use create_tmp_var and create ssa names manually
17579         instead of calling make_rename_temp.  Do not call
17580         find_new_referenced_vars or mark_symbols_for_renaming, call
17581         update_stmt.
17583 2009-04-21  Richard Guenther  <rguenther@suse.de>
17585         PR tree-optimization/39827
17586         * tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
17587         (tree_ssa_phiprop): Pass the correct array size.
17589 2009-04-21  Uros Bizjak  <ubizjak@gmail.com>
17591         * config/alpha/alpha.md (tune): Add cast to enum attr_tune.
17593 2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>
17595         PR 16202
17596         * c-typeck.c (lvalue_p): Move declaration ...
17597         * c-common.h (lvalue_p): ... to here.
17598         * c-common.c (candidate_equal_p): New.
17599         (add_tlist): Use it.
17600         (merge_tlist): Use it.
17601         (warn_for_collisions_1): Likewise.
17602         (warning_candidate_p): Accept more candidates.
17603         (verify_tree): A warning candidate can be an expression. Use
17604         candidate_equal_p.
17606 2009-04-21  Ben Elliston  <bje@au.ibm.com>
17608         PR target/5267
17609         * doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
17610         for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
17611         options.  Remove -mcall-solaris documentation.
17613 2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
17615         PR c++/13358
17616         * doc/invoke.texi (-Wlong-long): Update description.
17617         * c-lex (interpret_integer): Only warn if there was no previous
17618         overflow and -Wlong-long is enabled.
17619         * c-decl.c (declspecs_add_type): Drop redundant flags.
17620         * c.opt (Wlong-long): Init to -1.
17621         * c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
17622         and front-end warn_long_long. Wlong-long only depends on other
17623         flags if it is uninitialized.
17624         * c-parser.c (disable_extension_diagnostics): warn_long_long is
17625         the same for CPP and FE.
17626         (restore_extension_diagnostics): Likewise.
17628 2009-04-20  Ian Lance Taylor  <iant@google.com>
17630         Fix enum conversions which are invalid in C++:
17631         * auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
17632         * calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
17633         * cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
17634         * dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
17635         * dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
17636         (dbxout_parms): Likewise.
17637         * df-core.c (df_set_flags): Change changeable_flags parameter to int.
17638         (df_clear_flags): Likewise.
17639         * df-problems.c (df_rd_bb_local_compute_process_def): Change
17640         top_flag parameter to int.
17641         (df_chain_create_bb_process_use): Likewise.
17642         (df_chain_add_problem): Change chain_flags parameter to unsigned int.
17643         Remove cast.
17644         * df-scan.c (df_ref_create): Change ref_flags parameter to int.
17645         (df_ref_create_structure, df_def_record_1): Likewise.
17646         (df_defs_record, df_uses_record, df_get_call_refs): Likewise.
17647         (df_notes_rescan): Change 0 to VOIDmode in function call.
17648         (df_get_call_refs, df_insn_refs_collect): Likewise.
17649         (df_bb_regs_collect): Likewise.
17650         (df_entry_block_defs_collect): Likewise.
17651         (df_exit_block_uses_collect): Likewise.
17652         * df.h: Update declarations.
17653         * double-int.c (double_int_divmod): Add cast to enum type.
17654         * dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
17655         * dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
17656         (based_loc_descr): Likewise.
17657         (loc_descriptor_from_tree_1): Change first_op and second_op to
17658         enum dwarf_location_atom.  Add cast to enum type.
17659         * expmed.c (init_expmed): Change 0 to SET in function call.
17660         * expr.c (init_expr_target): Change 0 to VOIDmode in function call.
17661         (expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
17662         (do_store_flag): Likewise.
17663         * fixed-value.h (struct fixed_value): Change mode to enum
17664         machine_mode.
17665         * function.c (assign_parms): Change 0 to VOIDmode in function call.
17666         * genautomata.c (insert_automaton_decl): Change 1 to INSERT in
17667         function call.
17668         (insert_insn_decl, insert_decl, insert_state): Likewise.
17669         (automata_list_finish): Likewise.
17670         * genrecog.c (process_define_predicate): Add cast to enum type.
17671         * gensupport.c (init_predicate_table): Add cast to enum type.
17672         * gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
17673         function call.
17674         (gimple_build_call_1, gimple_build_label): Likewise.
17675         (gimple_build_goto, gimple_build_asm_1): Likewise.
17676         (gimple_build_switch_1, gimple_build_cdt): Likewise.
17677         * gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
17678         (enum fallback): Rename from enum fallback_t.
17679         (fallback_t): Typedef as int.
17680         * gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
17681         GSI_SAME_STMT in function call.
17682         * ira.c (setup_class_subset_and_memory_move_costs): Add casts to
17683         enum type.
17684         (setup_reg_class_relations): Likewise.
17685         (setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
17686         (setup_prohibited_class_mode_regs): Add cast to enum type.
17687         (setup_prohibited_mode_move_regs): Likewise.
17688         * ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
17689         (record_address_regs): Change i to enum reg_class.
17690         * lists.c (alloc_EXPR_LIST): Add cast to enum type.
17691         * machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
17692         (GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
17693         (GET_MODE_2XWIDER_MODE): Likewise.
17694         (GET_CLASS_NARROWEST_MODE): Likewise.
17695         * omp-low.c (expand_omp_for): Add cast to enum type.
17696         * optabs.c (debug_optab_libfuncs): Add casts to enum type.
17697         * opts.c (enable_warning_as_error): Change kind to diagostic_t.
17698         * postreload.c (reload_cse_simplify_operands): Change rclass local
17699         to enum reg_class.
17700         * predict.c (combine_predictions_for_insn): Change best_predictor
17701         and predictor to enum br_predictor.
17702         (combine_predictions_for_bb): Likewise.
17703         (build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
17704         use SET_PREDICT_EXPR_OUTCOME.
17705         * real.c (real_arithmetic): Change icode to code in function call.
17706         * reginfo.c (init_move_cost): Add casts to enum type.
17707         (init_reg_sets_1, init_fake_stack_mems): Likewise.
17708         * regmove.c (regclass_compatible_p): Change class0 and class1 to
17709         enum reg_class.
17710         * reload.c (find_valid_class): Add casts to enum type.
17711         (push_reload): Change 0 to NO_REGS in function call.
17712         (find_reloads): Change this_alternative to array of enum
17713         reg_class.  Remove some now-unnecessary casts.
17714         (make_memloc): Change 0 to VOIDmode in function call.
17715         * reload1.c (reload): Change 0 to VOIDmode in function call.
17716         (eliminate_regs_1, elimination_effects): Likewise.
17717         (eliminate_regs_in_insn): Likewise.
17718         (emit_input_reload_insns): Add cast to enum type.
17719         (delete_output_reload): Change 0 to VOIDmode in function call.
17720         * reorg.c (insn_sets_resource_p): Convert include_delayed_effects
17721         to enum type in function call.
17722         * tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
17723         (SET_PREDICT_EXPR_OUTCOME): Define.
17724         * tree-dump.c (get_dump_file_info): Change phase parameter to int.
17725         (get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
17726         (dump_initialized_p, dump_flag_name, dump_end): Likewise.
17727         (dump_function): Likewise.
17728         * tree-dump.h: Update declarations.
17729         * tree-pass.h: Update declarations.
17730         * varasm.c (assemble_integer): Change mclass to enum mode_class.
17731         * config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
17732         enum type.
17733         (arm_rtx_costs_1): Correct parenthesization.
17734         (arm_rtx_costs): Add casts to enum type.
17735         (adjacent_mem_locations): Reverse arguments to const_ok_for_op.
17736         (vfp_emit_fstmd): Use add_rg_note.
17737         (emit_multi_reg_push, emit_sfm): Likewise.
17738         (thumb_set_frame_pointer): Likewise.
17739         (arm_expand_prologue): Likewise.
17740         (arm_regno_class): Change return type to enum reg_class.
17741         (thumb1_expand_prologue): Use add_reg_note.
17742         * config/arm/arm-protos.h (arm_regno_class): Update declaration.
17743         * config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
17744         in function call.
17745         * config/arm/gentune.sh: Add cast to enum type.
17746         * config/arm/arm-tune.md: Rebuild.
17747         * config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
17748         (ix86_split_fp_branch, predict_jump): Likewise.
17749         (ix86_expand_multi_arg_builtin): Change sub_code from enum
17750         insn_code to enum rtx_code.
17751         (ix86_builtin_vectorized_function): Add cast to enum type.
17752         * config/i386/i386.md (truncdfsf2): Change slot to enum
17753         ix86_stack_slot.
17754         (truncxf<mode>2, isinf<mode>2): Likewise.
17755         * config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
17756         enum type.
17757         * config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
17758         (spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
17759         (insert_bundle_state): Change 1 to INSERT in function call.
17760         (ia64_add_bundle_selector_before): Likewise.
17761         * config/ia64/ia64.md (cpu attr): Add cast to enum type.
17762         (save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
17763         (restore_stack_nonlocal): Likewise.
17764         * config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
17765         function call.
17766         * config/mips/mips.c (mips_binary_cost): Change 0 to SET in
17767         function call.
17768         (mips_rtx_costs): Likewise.
17769         (mips_override_options): Add casts to enum type.
17770         * config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
17771         in function call.
17772         * config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
17773         (store_reg, set_reg_plus_d): Likewise.
17774         (hppa_expand_prologue, hppa_profile_hook): Likewise.
17775         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
17776         cast to enum type.
17777         (altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
17778         function call.
17779         (emit_unlikely_jump): Use add_reg_note.
17780         (rs6000_emit_allocate_stack): Likewise.
17781         (rs6000_frame_related, rs6000_emit_prologue): Likewise.
17782         (output_toc): Change 1 to INSERT in function call.
17783         (output_profile_hook): Change 0 to LCT_NORMAL in function call.
17784         (rs6000_initialize_trampoline): Likewise.
17785         (rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
17786         function call.
17787         * config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
17788         (s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
17789         (s390_expand_setmem, s390_expand_cmpmem): Likewise.
17790         (save_gprs): Use add_reg_note.
17791         (s390_emit_prologue): Likewise.
17792         (s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
17793         * config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
17794         (sparc_fold_builtin): Add cast to enum type.
17795         * config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
17796         enum insn_code.
17797         (spu_expand_prologue): Use add_reg_note.
17798         (expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.
17800 2009-04-20  Ian Lance Taylor  <iant@google.com>
17802         * c-parser.c (c_parser_attributes): Change VEC back to tree list.
17803         (c_parser_postfix_expression_after_primary): Get VEC for list of
17804         arguments.  Get original types of arguments.  Call
17805         build_function_call_vec.
17806         (cached_expr_list_1, cached_expr_list_2): New static variables.
17807         (c_parser_expr_list): Change return type to VEC *.  Add
17808         p_orig_types parameter.  Change all callers.
17809         (c_parser_release_expr): New static function.
17810         (c_parser_vec_to_tree_list): New static function.
17811         * c-typeck.c (build_function_call): Rewrite to build a VEC and
17812         call build_function_call_vec.
17813         (build_function_call_vec): New function, based on old
17814         build_function_call.
17815         (convert_arguments): Remove nargs and argarray parameters.  Change
17816         values to a VEC.  Add origtypes parameter.
17817         (build_modify_expr): Add rhs_origtype parameter.  Change all callers.
17818         (convert_for_assignment): Add origtype parameter.  Change all
17819         callers.  If warn_cxx_compat, check for conversion to an enum
17820         type when calling a function.
17821         (store_init_value): Add origtype parameter.  Change all callers.
17822         (digest_init): Likewise.
17823         (struct init_node): Add origtype field.
17824         (add_pending_init): Add origtype parameter.  Change all callers.
17825         (output_init_element): Likewise.
17826         (output_pending_init_elements): Pass origtype from init_node to
17827         output_init_element.
17828         (process_init_element): Pass origtype from c_expr to
17829         output_init_element.
17830         (c_finish_return): Add origtype parameter.  Change all callers.
17831         * c-common.c (sync_resolve_size): Change params to VEC *.  Change
17832         caller.
17833         (sync_resolve_params): Likewise.
17834         (sync_resolve_return): Change params to first_param.  Change caller.
17835         (resolve_overloaded_builtins): Change params to VEC *.  Change
17836         callers.  Save first parameter around call to build_function_call_vec.
17837         * c-decl.c (finish_decl): Add origtype parameter.  Change all
17838         callers.  Call build_function_call_vec rather than
17839         build_function_call for cleanup.
17840         * c-tree.h: Update declarations.
17841         * c-common.h: Update declarations.
17842         * stub-objc.c (objc_rewrite_function_call): Change parameter from
17843         params to first_param.
17844         * target.h (struct gcc_target): Change resolve_overloaded_builtin
17845         params parameter from tree to void *.
17846         * config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
17847         Change arglist parameter to have type void *, and to be a pointer
17848         to a VEC.
17849         * config/rs6000/rs6000-protos.h
17850         (altivec_resolve_overloaded_builtin): Update declaration.
17851         * config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
17852         fnargs parameter to have type void *, and to be a pointer to a
17853         VEC.  Call build_function_call_vec instead of
17854         build_function_call.
17855         * config/spu/spu-protos.h (spu_expand_builtin): Update declaration.
17857 2009-04-20  Joey Ye  <joey.ye@intel.com>
17858             Xuepeng Guo  <xuepeng.guo@intel.com>
17859             H.J. Lu  <hongjiu.lu@intel.com>
17861         * config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.
17863         * config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
17864         (IX86_LEA_PRIORITY): Likewise.
17865         (distance_non_agu_define): New function.
17866         (distance_agu_use): Likewise.
17867         (ix86_lea_for_add_ok): Likewise.
17868         (ix86_dep_by_shift_count): Likewise.
17870         * config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
17871         should split for LEA.
17873         * config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
17874         function.
17875         (ix86_dep_by_shift_count): Likewise.
17877 2009-04-20  Richard Guenther  <rguenther@suse.de>
17879         * expr.c (handled_component_p): Move ...
17880         * tree.h (handled_component_p): ... here.
17881         * tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
17882         ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
17883         and REALPART_EXPR to be in one group.
17885 2009-04-20  Richard Guenther  <rguenther@suse.de>
17887         * basic-block.h (get_all_dominated_blocks): Declare.
17888         * dominance.c (get_all_dominated_blocks): New function.
17889         * tree-cfg.c (get_all_dominated_blocks): Remove.
17890         (remove_edge_and_dominated_blocks): Adjust.
17891         * tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
17892         (tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
17893         instead of recursing.
17895 2009-04-20  Doug Kwan  <dougkwan@google.com>
17897         * cgraph.h (cgraph_node_ptr): New type for vector functions.
17898         (struct cgraph_node_set_def): New type.
17899         (cgraph_node_set) New type. Also declare vector functions.
17900         (struct cgraph_node_set_element_def): New type.
17901         (cgraph_node_set_element): Ditto.
17902         (cgraph_node_set_iterator): New iterator type.
17903         (cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
17904         cgraph_node_set_remove, dump_cgraph_node_set,
17905         debug_cgraph_node_set): New prototypes.
17906         (csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
17907         cgraph_node_set_size): New inlines.
17908         * tree-pass.h (struct cgraph_node_set_def): New decl to avoid
17909         including cgraph.h.
17910         (struct ipa_opt_pass): Add struct cgraph_node_set_def
17911         argument to function 'write_summary'.
17912         * ipa.c: Include ggc.h.
17913         (hash_cgraph_node_set_element,
17914         eq_cgraph_node_set_element, cgraph_node_set_new,
17915         cgraph_node_set_add, cgraph_node_set_remove,
17916         cgraph_node_set_find, dump_cgraph_node_set,
17917         debug_cgraph_node_set): New functions.
17918         * Makefile.in (ipa.o): Add dependency on GGC_H.
17920 2009-04-20  Ira Rosen  <irar@il.ibm.com>
17922         PR tree-optimization/39675
17923         * tree-vect-loop.c (vect_transform_loop): Remove currently redundant
17924         check of the return code of vect_schedule_slp. Check that
17925         stmt_vec_info still exists for the statement, before checking its
17926         vectorization type.
17928 2009-04-20  Michael Matz  <matz@suse.de>
17930         * Makefile.in (generated_files): Take out $(simple_generated_c).
17932 2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>
17934         * config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
17935         (UINTPTR_TYPE):  Likewise.
17937 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
17939         PR c/37481
17940         * c-typeck.c (digest_init): Check for initializing an array with a
17941         string literal.
17943 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
17945         PR c/19771
17946         * c-semantics.c (pop_stmt_list): Propagate
17947         STATEMENT_LIST_HAS_LABEL to parent statement list.
17949 2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>
17951         * config/mips/mips.h (mips_tune_attr): New macro.
17952         * config/mips/mips.md (cpu): Use it.
17954 2009-04-19  Joseph Myers  <joseph@codesourcery.com>
17956         PR c/38243
17957         * c-decl.c (shadow_tag_warned): Diagnose use of restrict when
17958         declaring a tag.
17960 2009-04-19  Diego Novillo  <dnovillo@google.com>
17962         * toplev.c (compile_file): Move call to coverage_finish ...
17963         * cgraphunit.c (ipa_passes): ... here.
17964         Call cgraph_process_new_functions.
17965         * ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
17966         * Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.
17968 2009-04-19  Jan Hubicka  <jh@suse.cz>
17970         * cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
17971         cfun.
17972         (dump_cgraph_node): Dump can throw external flag.
17973         * ipa-pure-const.c (propagate): Fix propagation of nothrow flags.
17975 2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>
17977         PR c/32061
17978         PR c++/36954
17979         * doc/invoke.texi: Add -Wlogical-op to -Wextra.
17980         * common.opt (Wlogical-op): Move from here...
17981         * c.opt (Wlogical-op): ... to here.
17982         * c-typeck.c (parser_build_binary_op): Update call to
17983         warn_logical_operator.
17984         * c-opts.c (c_common_post_options): Enable warn_logical_op with
17985         extra_warnings.
17986         * c-common.c (warn_logical_op): Update.
17987         * c-common.h (warn_logical_op): Update declaration.
17989 2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>
17991         * tree.c (protected_set_expr_location): Fix formatting.
17993 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
17995         PR c/27676
17996         * c-typeck.c (readonly_warning): new.
17997         (build_unary_op, build_modify_expr): Use readonly_warning for
17998         storing into something readonly but not const-qualified.
18000 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
18002         PR c/22367
18003         * c-typeck.c (build_unary_op): Check for taking address of
18004         expression of type void.
18006 2009-04-18  Joseph Myers  <joseph@codesourcery.com>
18008         PR c/35210
18009         * c-typeck.c (build_function_call): Check for calling a function
18010         with qualified void return types.  Call require_complete_type when
18011         generating a trap.
18013 2009-04-18  Jan Hubicka  <jh@suse.cz>
18015         * cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
18016         Set nothrow flag.
18017         * cgraph.h (struct function): Reduce loop_nest to 30 bits; add
18018         can_throw_external flag.
18019         * ipa-reference.c (ipa_utils_reduced_inorder): Update call.
18020         * ipa-pure-const.c (ignore_edge): New function.
18021         (propagate): Compute order for NOTHROW computation; set NOTHROWs
18022         only over can_throw_external edges.
18023         (local_pure_const): Add nothrow flag.
18024         * ipa-utils.c (searchc): Add ignore_edge callback.
18025         (ipa_utils_reduced_inorder): Add ignore_edge callback.
18026         * ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
18027         (set_nothrow_function_flags): Update cgraph.
18028         * tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.
18030 2009-04-18  Richard Guenther  <rguenther@suse.de>
18032         PR middle-end/39804
18033         * tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
18034         (fold_stmt): ... this and ...
18035         (fold_stmt_inplace): ... this.
18036         (fold_stmt_1): Fold references in calls and asms.
18037         * tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.
18039 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
18041         * tree-vrp.c (ssa_name_nonzero_p): Remove.
18042         * tree.h: Remove the prototype for ssa_name_nonzero_p.
18044 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
18046         * tree.c (function_args_count): Remove.
18047         * tree.h: Remove the prototype for function_args_count.
18049 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
18051         * tree-iterator.c (expr_only): Remove.
18052         * tree.h: Remove the prototype for expr_only.
18054 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
18056         * reginfo.c (cannot_change_mode_set_regs): Remove.
18057         * rtl.h: Remove the prototype for cannot_change_mode_set_regs.
18059 2009-04-08  Anatoly Sokolov  <aesok@post.ru>
18061         * config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
18062         whether operands 0 and 1 overlaps.
18064 2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>
18066         PR middle-end/36902
18067         * tree-vrp.c (check_array_ref): Pass a location_t instead of a
18068         pointer. Use warning_at instead of warning.
18069         (search_for_addr_array): Likewise.
18070         (check_array_bounds): Likewise.
18071         (check_all_array_refs): Check that the incoming edge is not in the
18072         list of edges to be removed.
18073         (check_all_array_refs): Avoid the temporal pointer.
18074         (vrp_visit_cond_stmt): Fix typo.
18075         (simplify_switch_using_ranges): Handle the case where the switch
18076         index is an integer constant.
18078 2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>
18080         * config/mips/mips.c (mips_final_postscan_insn): Make it static.
18082 2009-04-18  Kazu Hirata  <kazu@codesourcery.com>
18084         * doc/extend.texi, doc/invoke.texi: Fix typos.
18086 2009-04-17  Cary Coutant  <ccoutant@google.com>
18088         * tree-flow-inline.h (get_lineno): Fix inverted test.
18090 2009-04-17  Diego Novillo  <dnovillo@google.com>
18092         * tree-ssa-pre.c (create_expression_by_pieces): Remove
18093         assertion for AVAIL_OUT.
18095 2009-04-17  Mike Frysinger  <vapier@gentoo.org>
18097         PR target/38627
18098         * config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
18099         * config/sh/linux-atomic.asm: Likewise.
18101 2009-04-17  Diego Novillo  <dnovillo@google.com>
18103         * except.c (debug_eh_tree): New.
18104         (struct eh_region, struct eh_status): Move ...
18105         * except.h: ... here.
18106         (add_type_for_runtime): Declare extern.
18107         (lookup_type_for_runtime): Likewise.
18108         (debug_eh_tree): Declare.
18109         * Makefile.in (GTFILES): List except.h before except.c
18111 2009-04-17  Diego Novillo  <dnovillo@google.com>
18113         * omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
18114         * cgraphunit.c (cgraph_build_static_cdtor): Likewise.
18115         * tree-dfa.c (find_referenced_vars_in): Factor out of ...
18116         (find_vars_r): ... here.
18117         * tree-flow.h (find_referenced_vars_in): Declare.
18118         * tree-ssa-pre.c (create_expression_by_pieces): Assert
18119         that AVAIL_OUT exists for BLOCK.
18120         * Makefile.in (CGRAPH_H): Add dependency on cif-code.def
18121         (tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
18122         (tree-parloops.o): Likewise.
18124 2009-04-17  Simon Baldwin  <simonb@google.com>
18126         * toplev.c (default_tree_printer): Add handling for %E format.
18128 2009-04-17  Diego Novillo  <dnovillo@google.com>
18130         * tree-pretty-print.c (dump_generic_node): Add break after
18131         TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
18132         FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
18133         FUNCTION_TYPE together.  Call print_struct_decl when printing
18134         structures and TDF_SLIM is not given.
18135         (print_struct_decl): Fix logic for detecting recursion.
18137 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
18139         PR 31567
18140         * gcc.c (create_at_file): New.
18141         (compile_input_file_p): New.
18142         (do_spec_1): Use @args files for %i. Use create_at_file for %o.
18143         * main.c (main): Update call to toplev_main.
18144         * toplev.c (toplev_main): Change signature. Call expandargv.
18145         * toplev.h (toplev_main): Change signature.
18147 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
18149         * dwarf2out.c (field_byte_offset): Use the type size as the field size
18150         if the latter is not constant.
18152 2009-04-17  David Edelsohn  <edelsohn@gnu.org>
18154         * dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.
18156 2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>
18158         * dbxout.c (dbxout_block): Reinstate test on TREE_USED.
18159         * tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.
18161 2009-04-17  Richard Guenther  <rguenther@suse.de>
18163         * tree-ssa-structalias.c (get_constraint_for_component_ref):
18164         Handle component references view-converting an invariant address.
18166 2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>
18168         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
18169         TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
18170         TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
18171         TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
18172         Use @deftypevr rather than @deftypevar.
18174 2009-04-17  Richard Guenther  <rguenther@suse.de>
18176         * tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
18177         (get_prop_source_stmt): Likewise.
18178         (can_propagate_from): Likewise.
18180 2009-04-17  Andrew Stubbs  <ams@codesourcery.com>
18182         * configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
18183         TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
18184         (--with-multilib-list): Add default value.
18185         * configure: Regenerate.
18186         * Makefile.in (TM_ENDIAN_CONFIG): Define.
18187         (TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
18188         * config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
18189         TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
18190         Don't add default cpu to multilib list unnecessarily, but do enable
18191         the relevant compiler option..
18192         Add support for --with-multilib-list=<blank> and
18193         --with-multilib-list=!<somelib> to supress unwanted multilibs.
18194         * config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
18195         (MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
18196         (MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
18197         TM_MULTILIB_CONFIG.
18198         (MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
18199         (MULTILIB_OSDIRNAMES): New variable.
18200         * config/sh/t-1e: Delete file.
18201         * config/sh/t-mlib-sh1: Delete file.
18202         * config/sh/t-mlib-sh2: Delete file.
18203         * config/sh/t-mlib-sh2a: Delete file.
18204         * config/sh/t-mlib-sh2a-nofpu: Delete file.
18205         * config/sh/t-mlib-sh2a-single: Delete file.
18206         * config/sh/t-mlib-sh2a-single-only: Delete file.
18207         * config/sh/t-mlib-sh2e: Delete file.
18208         * config/sh/t-mlib-sh3e: Delete file.
18209         * config/sh/t-mlib-sh4: Delete file.
18210         * config/sh/t-mlib-sh4-nofpu: Delete file.
18211         * config/sh/t-mlib-sh4-single: Delete file.
18212         * config/sh/t-mlib-sh4-single-only: Delete file.
18213         * config/sh/t-mlib-sh4a: Delete file.
18214         * config/sh/t-mlib-sh4a-nofpu: Delete file.
18215         * config/sh/t-mlib-sh4a-single: Delete file.
18216         * config/sh/t-mlib-sh4a-single-only: Delete file.
18217         * config/sh/t-mlib-sh4al: Delete file.
18218         * config/sh/t-mlib-sh5-32media: Delete file.
18219         * config/sh/t-mlib-sh5-32media-nofpu: Delete file.
18220         * config/sh/t-mlib-sh5-64media: Delete file.
18221         * config/sh/t-mlib-sh5-64media-nofpu: Delete file.
18222         * config/sh/t-mlib-sh5-compact: Delete file.
18223         * config/sh/t-mlib-sh5-compact-nofpu: Delete file.
18224         * config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
18225         * doc/install.texi (Options specification): Add
18226         --with-multilib-list and --with-endian.
18228 2009-04-17  Rafael Avila de Espindola  <espindola@google.com>
18230         * Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
18231         REVISION_c.
18232         (OBJS-common): Add plugin-version.o.
18233         (plugin-version.o): New.
18234         * gcc-plugin.h (plugin_gcc_version): New.
18235         (plugin_default_version_check): New.
18236         (plugin_init_func, plugin_init): Add version argument.
18237         * plugin-version.c: New.
18238         * plugin.c (str_plugin_gcc_version_name): New.
18239         (try_init_one_plugin): Read plugin_gcc_version from the plugin and
18240         pass it to the init function.
18241         (plugin_default_version_check): New.
18243 2009-04-17  Richard Guenther  <rguenther@suse.de>
18245         * tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
18246         for decl-vs-decl disambiguation.
18248 2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>
18250         * config/s390/s390.h (s390_tune_attr): New macro definition.
18251         * config/s390/s390.md (cpu attribute): Map to s390_tune_attr.
18253 2009-04-17  Richard Guenther  <rguenther@suse.de>
18255         * tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
18256         (fold_stmt_r): Likewise.
18257         (maybe_fold_reference): New function.
18258         (fold_gimple_assign): Handle cases fold_stmt_r did.
18259         (fold_stmt): Do not use fold_stmt_r.
18260         (fold_stmt_inplace): Likewise.
18262 2009-04-17  Richard Guenther  <rguenther@suse.de>
18264         * tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
18265         (record_equivalences_from_stmt): Remove useless checks and
18266         simplifications.
18267         * tree-ssa-pre.c (eliminate): Avoid converting a constant if
18268         the type is already suitable.
18270 2009-04-17  Paolo Bonzini  <bonzini@gnu.org>
18272         * config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.
18274 2009-04-17  Uros Bizjak  <ubizjak@gmail.com>
18276         * config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
18277         (CMPtype): Define as __gcc_CMPtype.
18279 2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>
18281         * config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
18282         for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.
18284 2009-04-17  Richard Guenther  <rguenther@suse.de>
18286         PR tree-optimization/39746
18287         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
18288         special-casing for builtins and static variable use/def.
18289         (call_may_clobber_ref_p_1): Likewise.
18291 2009-04-16  Ian Lance Taylor  <iant@google.com>
18293         * df.h: Include "timevar.h".
18294         (struct df_problem): Change tv_id field to timevar_id_t.
18295         * tree-pass.h: Include "timevar.h".
18296         (struct opt_pass): Change tv_id field to timevar_id_t.
18297         * timevar.h (timevar_id_t): Define TV_NONE.
18298         * passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
18299         TV_NONE rather than tv_id != 0.
18300         (execute_one_pass): Likewise.
18301         * Makefile.in (DF_H): Add $(TIMEVAR_H).
18302         (TREE_PASS_H): Define.  Change all instances of tree-pass.h in
18303         dependencies to $(TREE_PASS_H).
18304         * bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
18305         to TV_NONE.
18306         (pass_branch_target_load_optimize2): Likewise.
18307         * cfglayout.c (pass_into_cfg_layout_mode): Likewise.
18308         (pass_outof_cfg_layout_mode): Likewise.
18309         * cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
18310         (pass_rebuild_cgraph_edges): Likewise.
18311         (pass_remove_cgraph_callee_edges): Likewise.
18312         * df-core.c (pass_df_initialize_opt): Likewise.
18313         (pass_df_initialize_no_opt): Likewise.
18314         (pass_df_finish): Likewise.
18315         * emit-rtl.c (pass_unshare_all_rtl): Likewise.
18316         * except.c (pass_set_nothrow_function_flags): Likewise.
18317         (pass_convert_to_eh_region_ranges): Likewise.
18318         * final.c (pass_compute_alignments): Likewise.
18319         * function.c (pass_instantiate_virtual_regs): Likewise.
18320         (pass_init_function): Likewise.
18321         (pass_leaf_regs): Likewise.
18322         (pass_match_asm_constraints): Likewise.
18323         * gimple-low.c (pass_lower_cf): Likewise.
18324         (pass_mark_used_blocks): Likewise.
18325         * init-regs.c (pass_initialize_regs): Likewise.
18326         * integrate.c (pass_initial_value_sets): Likewise.
18327         * ira.c (pass_ira): Likewise.
18328         * jump.c (pass_cleanup_barriers): Likewise.
18329         * omp-low.c (pass_expand_omp): Likewise.
18330         (pass_lower_omp): Likewise.
18331         * matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
18332         * recog.c (pass_split_all_insns): Likewise.
18333         (pass_split_after_reload): Likewise.
18334         (pass_split_before_regstack): Likewise.
18335         (pass_split_before_sched2): Likewise.
18336         (pass_split_for_shorten_branches): Likewise.
18337         * reginfo.c (pass_reginfo_init): Likewise.
18338         (pass_subregs_of_mode_init): Likewise.
18339         (pass_subregs_of_mode_finish): Likewise.
18340         * passes.c (pass_postreload): Likewise.
18341         * stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
18342         * tree-cfg.c (pass_remove_useless_stmts): Likewise.
18343         (pass_warn_function_return): Likewise.
18344         (pass_warn_function_noreturn): Likewise.
18345         * tree-complex.c (pass_lower_complex): Likewise.
18346         (pass_lower_complex_O0): Likewise.
18347         * tree-if-conv.c (pass_if_conversion): Likewise.
18348         * tree-into-ssa.c (pass_build_ssa): Likewise.
18349         * tree-mudflap.c (pass_mudflap_1): Likewise.
18350         (pass_mudflap_2): Likewise.
18351         * tree-nomudflap.c (pass_mudflap_1): Likewise.
18352         (pass_mudflap_2): Likewise.
18353         * tree-nrv.c (pass_return_slot): Likewise.
18354         * tree-object-size.c (pass_object_sizes): Likewise.
18355         * tree-optimize.c (pass_all_optimizations): Likewise.
18356         (pass_early_local_passes): Likewise.
18357         (pass_all_early_optimizations): Likewise.
18358         (pass_cleanup_cfg): Likewise.
18359         (pass_cleanup_cfg_post_optimizing): Likewise.
18360         (pass_free_datastructures): Likewise.
18361         (pass_free_cfg_annotations): Likewise.
18362         (pass_fixup_cfg): Likewise.
18363         (pass_init_datastructures): Likewise.
18364         * tree-ssa.c (pass_early_warn_uninitialized): Likewise.
18365         (pass_late_warn_uninitialized): Likewise.
18366         (pass_update_address_taken): Likewise.
18367         * tree-ssa-ccp.c (pass_fold_builtins): Likewise.
18368         * tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
18369         (pass_cse_sincos): Likewise.
18370         (pass_convert_to_rsqrt): Likewise.
18371         * tree-ssa-structalias.c (pass_build_alias): Likewise.
18372         * tree-stdarg.c (pass_stdarg): Likewise.
18373         * tree-tailcall.c (pass_tail_recursion): Likewise.
18374         (pass_tail_calls): Likewise.
18375         * tree-vect-generic.c (pass_lower_vector): Likewise.
18376         (pass_lower_vector_ssa): Likewise.
18377         * tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.
18379 2009-04-16  Joseph Myers  <joseph@codesourcery.com>
18381         * config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
18382         XLR entry.
18383         * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
18384         Handle -march=xlr.
18385         * config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
18386         logical and signext.
18388 2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>
18390         PR target/39767
18391         * config/sh/predicates.md (arith_operand): Check if the operand
18392         of TRUNCATE is a REG.
18394 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
18396         * cfgrtl.c (delete_insn_chain_and_edges): Remove.
18397         * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
18399 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
18401         * tree-iterator.c (tsi_split_statement_list_after,
18402         tsi_split_statement_list_before): Remove.
18403         * tree-iterator.h: Remove the prototypes for
18404         tsi_split_statement_list_after and tsi_split_statement_list_before.
18406 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
18408         * tree-ssa-propagate.c (stmt_makes_single_load): Remove.
18409         * tree-ssa-propagate.h: Remove the prototype for
18410         stmt_makes_single_load.
18412 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
18414         * emit-rtl.c (set_mem_attrs_from_reg): Remove.
18415         * rtl.h: Remove the prototype for set_mem_attrs_from_reg.
18417 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
18419         * tree-iterator.c (EXPR_LAST_BODY): Remove.
18421 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
18423         * except.c (eh_region_outer_p): Remove.
18424         * except.h: Remove the prototype for eh_region_outer_p.
18426 2009-04-16  Kazu Hirata  <kazu@codesourcery.com>
18428         * function.c (current_function_assembler_name): Remove.
18429         * function.h: Remove the prototype for
18430         current_function_assembler_name.
18432 2009-04-16  Ian Lance Taylor  <iant@google.com>
18434         * rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
18435         (add_reg_note): Call alloc_reg_note.
18436         * rtl.h (alloc_reg_note): Declare.
18437         * combine.c (try_combine): Use alloc_reg_note.
18438         (recog_for_combine, move_deaths): Likewise.
18439         (distribute_notes): Use alloc_reg_note and add_reg_note.
18440         * haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
18441         * combine-stack-adj.c (adjust_frame_related_expr): Likewise.
18442         * reload1.c (eliminate_regs_1): Use alloc_reg_note.
18444 2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>
18446         PR rtl-optimization/39762
18447         * ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
18448         ira_may_move_out_cost): Add comments about way of their usage.
18449         (ira_get_register_move_cost, ira_get_may_move_cost): New functions.
18451         * ira-conflicts.c (process_regs_for_copy): Use function
18452         ira_get_register_move_cost instead of global
18453         ira_register_move_cost.
18455         * ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
18456         color_pass, move_spill_restore, update_curr_costs): Ditto.
18458         * ira-lives.c (process_single_reg_class_operands): Ditto.
18460         * ira-emit.c (emit_move_list): Ditto.
18462         * ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
18463         (record_reg_classes): Ditto.  Use functions
18464         ira_get_register_move_cost and ira_get_may_move_cost instead of
18465         global vars ira_register_move_cost, ira_may_move_out_cost and
18466         ira_may_move_in_cost.
18467         (record_address_regs): Don't call ira_init_register_move_cost.
18468         Use function ira_get_may_move_cost instead of global
18469         ira_may_move_in_cost.
18470         (process_bb_node_for_hard_reg_moves): Use function
18471         ira_get_register_move_cost instead of global ira_register_move_cost.
18472         (ira_costs): Don't call ira_init_register_move_cost.
18474 2009-04-16  Richard Guenther  <rguenther@suse.de>
18476         * tree-cfg.c (verify_gimple_assign_binary):
18477         Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
18478         * ipa-struct-reorg.c (gen_size): Fold the built expressions.
18479         (create_general_new_stmt): Note that this function is broken.
18481 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
18483         * common.opt (fhelp): Add Var(help_flag).
18484         * gcc-plugin.h (plugin_info): Add help.
18485         * plugin.c (plugin_name_args): Add help.
18486         (register_plugin_info): Set plugin->help.
18487         (print_help_one_plugin): New.
18488         (print_plugins_help): New.
18489         * plugin.h (print_plugins_help): New.
18490         * toplev.c (toplev_main): Call print_plugins_help if needed.
18492 2009-04-16  Richard Guenther  <rguenther@suse.de>
18494         * gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
18495         (gimple_ior_addresses_taken_1): New function.
18496         (gimple_ior_addresses_taken): Likewise.
18497         * gimple.h (struct gimple_statement_with_ops_base): Remove
18498         addresses_taken member.
18499         (gimple_ior_addresses_taken): Declare.
18500         (gimple_addresses_taken, gimple_addresses_taken_ptr,
18501         gimple_set_addresses_taken): Remove.
18502         * ipa-reference.c (mark_address): New function.
18503         (scan_stmt_for_static_refs): Use it for marking addresses taken.
18504         * tree-ssa-operands.c (add_to_addressable_set): Rename to ...
18505         (mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
18506         (gimple_add_to_addresses_taken): Remove.
18507         (get_tmr_operands): Call mark_address_taken.
18508         (get_asm_expr_operands): Likewise.
18509         (get_expr_operands): Likewise.
18510         (build_ssa_operands): Do not clear the addresses_taken bitmap.
18511         (free_stmt_operands): Do not free it.
18512         * tree-ssa.c (delete_tree_ssa): Likewise.
18513         (execute_update_addresses_taken): Use gimple_ior_addresses_taken.
18515 2009-04-16  Richard Guenther  <rguenther@suse.de>
18517         * gimple.h (walk_stmt_load_store_addr_ops): Declare.
18518         (walk_stmt_load_store_ops): Likewise.
18519         * gimple.c (get_base_loadstore): New function.
18520         (walk_stmt_load_store_addr_ops): Likewise.
18521         (walk_stmt_load_store_ops): Likewise.
18522         * ipa-pure-const.c (check_op): Simplify.
18523         (check_load, check_store): New functions.
18524         (check_stmt): Use walk_stmt_load_store_ops.
18525         * ipa-reference.c (mark_load): Adjust signature.
18526         (mark_store): Likewise.
18527         (scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.
18529 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
18531         * gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
18532         (plugin_info): New.
18533         * opts.c (common_handle_option): Don't call print_version.
18534         * plugin.c (plugin_name_args): Add version.
18535         (register_plugin_info): New.
18536         (register_callback): Handle PLUGIN_INFO.
18537         (try_init_one_plugin): New.
18538         (init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
18539         if failed to init.
18540         (finalize_one_plugin): New.
18541         (finalize_plugins): New.
18542         (print_one_plugin): New.
18543         (print_plugins_versions): New.
18544         * plugin.h (print_plugins_versions): New.
18545         (finalize_plugins): New.
18546         * toplev.c (compile_file): Don't call initialize_plugins.
18547         (print_version): Call print_plugins_versions.
18548         (toplev_main): Call initialize_plugins. Print version if needed.
18549         Call finalize_plugins.
18551 2009-04-16  Rafael Avila de Espindola  <espindola@google.com>
18553         * common.opt (fversion): New.
18554         * gcc.c (print_version): New.
18555         (process_command): Don't print the version. Just set print_version.
18556         (main): Print version. Call subprocesses if print_version and
18557         verbose_flag are set.
18558         * opts.c (common_handle_option): Handle OPT_fversion.
18560 2009-04-16  Richard Guenther  <rguenther@suse.de>
18561             Ira Rosen  <irar@il.ibm.com>
18563         PR tree-optimization/39698
18564         * tree-vect-loop.c (get_initial_def_for_reduction): Use the
18565         type of the reduction variable.  Only generate the def if
18566         it is needed.
18568         * omp-low.c (expand_omp_for_generic): When converting to a pointer
18569         make sure to first convert to an integer of the same precision.
18570         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
18571         the type of the evolution correctly in computing the new
18572         induction variable base.
18574 2009-04-16  Richard Guenther  <rguenther@suse.de>
18576         PR middle-end/39625
18577         * tree-cfg.c (make_blocks): Split statements with to-be
18578         abnormal SSA names on the lhs.
18580 2009-04-16  Paolo Bonzini  <bonzini@gnu.org>
18582         * c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
18583         Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
18584         * c-typeck.c (really_start_incremental_init): Likewise.
18585         * target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
18586         (TARGET_INITIALIZER): Remove it.
18587         * target.h (struct target): Remove vector_opaque_p.
18588         * tree.c (build_opaque_vector_type): New.
18589         * tree.h (TYPE_VECTOR_OPAQUE): New.
18590         (build_opaque_vector_type): Declare.
18591         * doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
18592         * config/rs6000/rs6000.c (build_opaque_vector_type,
18593         rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
18594         (rs6000_init_builtins): Use build_opaque_vector_type for
18595         opaque_V4SI_type_node.
18597 2009-04-15  Catherine Moore  <clm@codesourcery.com>
18599         * debug.h (set_name):  Declare.
18600         * dwarf2out.c (dwarf2out_set_name): Declare.
18601         (dwarf2_debug_hooks): Add set_name.
18602         (find_AT_string): New.
18603         (add_AT_string): Call find_AT_string.
18604         (dwarf2out_set_name): New.
18605         * cp/decl.c (grokdeclarator): Call set_name.
18606         * vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
18607         * debug.c (do_nothing_debug_hooks):  Likewise.
18608         * dbxout.c (dbx_debug_hooks): Likewise.
18609         * sdbout.c (sdb_debug_hooks): Likewise.
18611 2009-04-15  Michael Eager  <eager@eagercon.com>
18613         * config/rs6000/rs6000.c (rs6000_function_value): Set function return
18614         reg for single-precision FPU.
18615         * config/rs6000/rs6000.md (movsi_internal1): Only for
18616         !TARGET_SINGLE_FPU.
18617         (movsi_internal1_single): New. Add pattern to move SI values to/from
18618         single-precision FP regs.
18620 2009-04-15  Richard Guenther  <rguenther@suse.de>
18622         * omp-low.c (lower_rec_input_clauses): Build correct address
18623         expressions.
18624         (expand_omp_for_generic): Fix multiplication type.
18625         * tree-loop-distribution.c (build_size_arg): Build a size_t argument.
18626         (generate_memset_zero): Fix types.
18627         * tree-profile.c (prepare_instrumented_value): Correctly
18628         widen a pointer.
18630 2009-04-15  Ian Lance Taylor  <iant@google.com>
18632         * c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
18633         * c-opts.c (c_common_handle_option): For C, set warn_enum_compare
18634         for -Wall and for -Wc++-compat.
18635         (c_common_post_options): For C++, set warn_enum_compare if not
18636         already set.
18637         * c-tree.h (struct c_expr): Add field original_type.
18638         (build_external_ref): Update declaration.
18639         * c-parser.c (c_parser_braced_init): Set original_type.
18640         (c_parser_initelt): Likewise.
18641         (c_parser_expr_no_commas): Likewise.
18642         (c_parser_conditional_expression): Likewise.
18643         (c_parser_cast_expression): Likewise.
18644         (c_parser_unary_expression): Likewise.  Pull setting of
18645         original_code to top of function.
18646         (c_parser_sizeof_expression): Set original_type.
18647         (c_parser_alignof_expression): Likewise.
18648         (c_parser_postfix_expression): Likewise.  Pull setting of
18649         original_code to top of function.
18650         (c_parser_postfix_expression_after_paren_type): Set original_type.
18651         (c_parser_postfix_expression_after_primary): Likewise.
18652         (c_parser_expression): Likewise.
18653         * c-typeck.c (build_external_ref): Add type parameter.  Change all
18654         callers.
18655         (c_expr_sizeof_expr): Set original_type field.
18656         (parser_build_unary_op): Likewise.
18657         (parser_build_binary_op): Likewise.  Optionally warn about
18658         comparisons of enums of different types.
18659         (digest_init): Set original_type field.
18660         (really_start_incremental_init): Likewise.
18661         (push_init_level, pop_init_level): Likewise.
18662         * doc/invoke.texi (Warning Options): -Wenum-compare now
18663         supported in C.
18665 2009-04-15  Richard Guenther  <rguenther@suse.de>
18667         * tree-ssa-pre.c (eliminate): When replacing a PHI node carry
18668         out a necessary conversion.
18669         * tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
18670         names we didn't value number.
18671         * tree-mudflap.c (mf_build_check_statement_for): Use correct types.
18673 2009-04-15  Richard Guenther  <rguenther@suse.de>
18675         PR tree-optimization/39764
18676         * tree-ssa-ccp.c (get_value): Canonicalize value with
18677         canonicalize_float_value.
18679 2009-04-15  Jan Hubicka  <jh@suse.cz>
18681         * builtins.def (va_start, va_end, va_copy): Fix my previous commit.
18682         Wrong version of patch.
18684 2009-04-15  Jan Hubicka  <jh@suse.cz>
18686         * builtins.def (va_start, va_end, va_copy): Mark nothrow.
18688 2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>
18690         * config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
18691         our distinct integral and vector types.
18693 2009-04-15  Rafael Avila de Espindola  <espindola@google.com>
18695         * class.c (build_vtbl_ref_1): Remove call to assemble_external.
18696         * init.c (build_vtbl_address): Remove call to assemble_external.
18698 2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>
18700         * config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
18701         output for other floating point modes.
18703 2009-04-14  Diego Novillo  <dnovillo@google.com>
18705         * diagnostic.c (diagnostic_report_diagnostic): Do not
18706         warn about loaded plugins for DK_ERROR and DK_WARNING.
18707         * c-decl.c (declspecs_add_type): Move call to
18708         invoke_plugin_callbacks ...
18709         * c-parser.c (c_parser_declspecs): ... here.
18710         * plugin.c (dump_active_plugins): Tidy output.
18712 2009-04-14  Diego Novillo  <dnovillo@google.com>
18713             Le-Chun Wu  <lcwu@google.com>
18715         * configure.ac: Add --enable-plugin support.
18716         Define ENABLE_PLUGIN and PLUGINLIBS when specified.
18717         * Makefile.in (PLUGIN_H): Define.
18718         Export ENABLE_PLUGIN and GMPINC to site.exp.
18719         Add PLUGINLIBS to link command.
18720         Add/modify dependencies for plugin.o and files including plugin.h.
18721         (plugin.o): New.
18722         * config.in: Regenerate.
18724         * opts.c (common_handle_option): Handle OPT_fplugin_ and
18725         OPT_fplugin_arg_.
18727 2009-04-14  Le-Chun Wu  <lcwu@google.com>
18729         * tree-pass.h (register_one_dump_file): Add a prototype for
18730         register_one_dump_file.
18731         * toplev.c (compile_file): Call initialize_plugins.
18732         (do_compile): Call invoke_plugin_callbacks.
18733         (toplev_main): Call invoke_plugin_callbacks.
18734         * common.opt: Add -fplugin= and -fplugin-arg-.
18735         * gcc-plugin.h: New public header file for plugins to include.
18736         * plugin.c: New source file.
18737         * plugin.h: New internal header file.
18738         * passes.c (register_one_dump_file): Make it external.
18740         * c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.
18742 2009-04-14  Diego Novillo  <dnovillo@google.com>
18744         * doc/plugins.texi: New.
18745         * doc/gccint.texi: Add reference to Plugins chapter.
18746         * doc/invoke.texi: Document -fplugin and -fplugin-arg
18747         * diagnostic.c (diagnostic_report_diagnostic): Warn about
18748         loaded plugins, if any.
18749         * timevar.def (TV_PLUGIN_INIT): Define.
18750         (TV_PLUGIN_RUN): Define.
18751         * plugin.c: Include timevar.h
18752         (plugins_active_p): New.
18753         (dump_active_plugins): New.
18754         (debug_active_plugins): New.
18756 2009-04-14  Joseph Myers  <joseph@codesourcery.com>
18758         * config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
18759         library paths.
18760         * config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.
18762 2009-04-14  Kazu Hirata  <kazu@codesourcery.com>
18764         * config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
18765         the same as a minus without a shift.
18767 2009-04-14  Nick Clifton  <nickc@redhat.com>
18769         * config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
18770         comparisons with small integers will always produce a short
18771         branch.
18773 2009-04-14  Rafael Avila de Espindola  <espindola@google.com>
18775         Merge:
18776         2008-12-19  Diego Novillo  <dnovillo@google.com>
18778         * cgraph.c (dump_cgraph_node): Show memory address of NODE.
18780 2009-04-14  Richard Guenther  <rguenther@suse.de>
18782         * tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
18783         verification.
18784         (verify_gimple_assign_binary): Likewise.  Handle shifts and
18785         rotates correctly.
18786         (verify_gimple_phi): Print the mismatched argument position.
18787         * tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
18788         Fix types.
18789         (vect_update_init_of_dr): Likewise.
18790         * matrix-reorg.c (transform_access_sites): Do what the
18791         comment suggests.
18792         * omp-low.c (expand_omp_atomic_pipeline): Use the correct types.
18794 2009-04-13  Michael Eager  <eager@eagercon.com>
18796         * config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
18797         _XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
18798         * config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
18799         * config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
18800         remove duplicate config
18802 2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
18804         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
18805         file_name:line_number type locator of the call site.
18807 2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>
18809         * genautomata.c: Put blank after comma.
18810         (automaton_decls): New.
18811         (struct unit_usage): Add comments to member next.
18812         (store_alt_unit_usage): Keep the list ordered.
18813         (unit_present_on_list_p, equal_alternatives_p): New.
18814         (check_regexp_units_distribution): Check units distribution
18815         correctness correctly.
18816         (main): Don't write automata if error is found.  Return correct
18817         exit code.
18819         * config/m68k/cf.md (cfv4_ds): Remove.
18820         (cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
18821         cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.
18823         * config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
18824         power4-load-ext, power4-store, power4-store-update,
18825         power4-fpstore, power4-fpstore-update, power4-two, power4-three,
18826         power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
18827         power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
18828         power4-sqrt, power4-isync): Modify reservation to make correct
18829         unit distribution to automata.
18831         * config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
18832         power5-store-update, power5-two, power5-three, power5-lmul,
18833         power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.
18835 2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>
18837         * except.c (pass_set_nothrow_function_flags): Set name and add
18838         TODO_dump_func.
18839         (set_nothrow_function_flags): Mention in the dump file when
18840         changing a function to nothrow.
18842 2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>
18844         PR/39066
18845         * gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
18846         instead of unsigned long.
18848 2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
18850         * config/arm/arm.c (return_used_this_function): Remove.
18851         (arm_output_function_prologue): Remove use of
18852         return_used_this_function.
18853         (output_return_instruction): Replace use of
18854         return_used_this_function
18855         by cfun->machine->return_used_this_function.
18856         (arm_output_epilogue): Likewise.
18857         (arm_output_function_epilogue): Likewise.
18858         (thumb_unexpanded_epilogue): Likewise.
18859         * config/arm/arm.h (struct machine_function):
18860         New member return_used_this_function.
18862 2009-04-12  Mark Mitchell  <mark@codesourcery.com>
18864         * doc/install.texi: Correct description of default directory for
18865         --with-gxx-include-dir.
18867 2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>
18869         * fold-const.c (build_range_check): Properly deal with enumeral and
18870         boolean base types.
18872 2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>
18874         * doc/invoke.texi (max_gcse_passes): Remove documentation.
18875         * params.def (PARAM_MAX_GCSE_PASSES): Remove.
18876         * params.h (MAX_GCSE_PASSES): Remove.
18877         * gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
18878         in sequence.  Remove ability to run multiple passes.
18879         (bypass_jumps): Report run as third CPROP pass.
18881 2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>
18883         PR middle-end/39651
18884         * except.c (can_throw_external): Look at each insn in a SEQUENCE
18885         when deciding whether the whole SEQUENCE can throw.
18887 2009-04-12  Uros Bizjak  <ubizjak@gmail.com>
18889         PR target/39740
18890         * config/alpha/predicates.md (local_symbolic_operand): Return 1 for
18891         offseted label references.
18893 2009-04-11  Jan Hubicka  <jh@suse.cz>
18895         * tree-ssa-pre.c (eliminate): Fix call of update_stmt.
18897 2009-04-11  Richard Guenther  <rguenther@suse.de>
18899         PR middle-end/39732
18900         * tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
18901         return variables as TREE_ADDRESSABLE.
18903 2009-04-11  Richard Guenther  <rguenther@suse.de>
18905         PR tree-optimization/39713
18906         * tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
18907         reference trees have SSA_NAME operands.
18909 2009-04-11  Richard Guenther  <rguenther@suse.de>
18911         PR c/39712
18912         * c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
18913         address expressions.
18915 2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>
18917         * config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
18918         match changes in Cygwin 1.7
18919         (UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
18920         UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.
18922 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
18924         PR tree-optimization/39701
18925         * doc/invoke.texi (Optimization Options): Document change in
18926         meaning and initialization of -fdelete-null-pointer-checks.
18928 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
18930         PR middle-end/39701
18931         * common.opt (-fdelete-null-pointer-checks): Initialize to 1.
18933         * opts.c (decode_options): Don't set flag_delete_null_pointer_checks
18934         here.
18936         * doc/invoke.texi: Update -fdelete-null-pointer-checks.
18938 2009-04-10  Chao-ying Fu  <fu@mips.com>
18940         * doc/tm.texi (Instruction Output): Document
18941         TARGET_ASM_FINAL_POSTSCAN_INSN.
18942         * target.h (final_postscan_insn): New field in asm_out.
18943         * target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
18944         (TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
18945         * final.c (final_scan_insn): Call
18946         targetm.asm_out.final_postscan_insn after outputting
18947         an asm macro and a normal instruction.
18949         * config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
18950         * config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
18951         * config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
18952         (mips_final_prescan_insn, mips_final_postscan_insn): New functions.
18953         (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
18955 2009-04-10  Paolo Bonzini  <bonzini@gnu.org>
18957         PR middle-end/39701
18958         * fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
18959         variables as non-NULL even with -fdelete-null-pointer-checks.
18961 2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>
18963         * config/rs6000/darwin-vecsave.asm: Remove extra "*/".
18965 2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>
18967         PR target/39678
18968         * config/i386/i386.c (classify_argument): Handle SCmode with
18969         (bit_offset % 64) != 0.
18971 2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>
18973         * doc/invoke.texi (Optimize Options): Add cross-reference to
18974         -Q --help=optimizers examples.
18976 2009-04-10  Ben Elliston  <bje@au.ibm.com>
18978         PR target/36800
18979         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
18980         regalign for the reg == fpr and TDmode case.
18982 2009-04-09  David Ayers  <ayers@fsfe.org>
18984         PR objc/29200
18985         * objc/objc-act.c (warn_with_method): Remove helper function.
18986         (check_duplicates): Call warning and inform directly.
18987         (really_start_method): Likewise.
18989 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
18991         * expmed.c (expand_divmod): Always use a comparison for a division
18992         by a large unsigned integer.
18994         * fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
18995         for things others than variables or functions as nonzero.
18997 2009-04-09  Nick Clifton  <nickc@redhat.com>
18999         * unwind-compat.c: Change copyright header to refer to version
19000         3 of the GNU General Public License with version 3.1 of the
19001         GCC Runtime Library Exception and to point readers at the
19002         COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
19003         * config/alpha/crtfastmath.c: Likewise.
19004         * config/alpha/linux-unwind.h: Likewise.
19005         * config/alpha/qrnnd.asm: Likewise.
19006         * config/alpha/vms-crt0-64.c: Likewise.
19007         * config/alpha/vms-crt0.c: Likewise.
19008         * config/alpha/vms-dwarf2.asm: Likewise.
19009         * config/alpha/vms-dwarf2eh.asm: Likewise.
19010         * config/alpha/vms-psxcrt0-64.c: Likewise.
19011         * config/alpha/vms-psxcrt0.c: Likewise.
19012         * config/alpha/vms_tramp.asm: Likewise.
19013         * config/arc/initfini.c: Likewise.
19014         * config/arc/lib1funcs.asm: Likewise.
19015         * config/arm/bpabi-v6m.S: Likewise.
19016         * config/arm/bpabi.S: Likewise.
19017         * config/arm/bpabi.c: Likewise.
19018         * config/arm/crti.asm: Likewise.
19019         * config/arm/crtn.asm: Likewise.
19020         * config/arm/ieee754-df.S: Likewise.
19021         * config/arm/ieee754-sf.S: Likewise.
19022         * config/arm/lib1funcs.asm: Likewise.
19023         * config/arm/libunwind.S: Likewise.
19024         * config/arm/linux-atomic.c: Likewise.
19025         * config/arm/mmintrin.h: Likewise.
19026         * config/arm/pr-support.c: Likewise.
19027         * config/arm/unaligned-funcs.c: Likewise.
19028         * config/arm/unwind-arm.c: Likewise.
19029         * config/arm/unwind-arm.h: Likewise.
19030         * config/avr/libgcc.S: Likewise.
19031         * config/bfin/crti.s: Likewise.
19032         * config/bfin/crtlibid.s: Likewise.
19033         * config/bfin/crtn.s: Likewise.
19034         * config/bfin/lib1funcs.asm: Likewise.
19035         * config/bfin/linux-unwind.h: Likewise.
19036         * config/cris/arit.c: Likewise.
19037         * config/cris/cris_abi_symbol.c: Likewise.
19038         * config/darwin-64.c: Likewise.
19039         * config/darwin-crt2.c: Likewise.
19040         * config/darwin-crt3.c: Likewise.
19041         * config/darwin.h: Likewise.
19042         * config/dbxelf.h: Likewise.
19043         * config/dfp-bit.c: Likewise.
19044         * config/dfp-bit.h: Likewise.
19045         * config/elfos.h: Likewise.
19046         * config/fixed-bit.c: Likewise.
19047         * config/fixed-bit.h: Likewise.
19048         * config/fp-bit.c: Likewise.
19049         * config/fp-bit.h: Likewise.
19050         * config/fr30/crti.asm: Likewise.
19051         * config/fr30/crtn.asm: Likewise.
19052         * config/fr30/lib1funcs.asm: Likewise.
19053         * config/freebsd-spec.h: Likewise.
19054         * config/frv/cmovd.c: Likewise.
19055         * config/frv/cmovh.c: Likewise.
19056         * config/frv/cmovw.c: Likewise.
19057         * config/frv/frvbegin.c: Likewise.
19058         * config/frv/frvend.c: Likewise.
19059         * config/frv/lib1funcs.asm: Likewise.
19060         * config/glibc-stdint.h: Likewise.
19061         * config/h8300/clzhi2.c: Likewise.
19062         * config/h8300/crti.asm: Likewise.
19063         * config/h8300/crtn.asm: Likewise.
19064         * config/h8300/ctzhi2.c: Likewise.
19065         * config/h8300/fixunssfsi.c: Likewise.
19066         * config/h8300/lib1funcs.asm: Likewise.
19067         * config/h8300/parityhi2.c: Likewise.
19068         * config/h8300/popcounthi2.c: Likewise.
19069         * config/i386/ammintrin.h: Likewise.
19070         * config/i386/att.h: Likewise.
19071         * config/i386/avxintrin.h: Likewise.
19072         * config/i386/biarch64.h: Likewise.
19073         * config/i386/bmmintrin.h: Likewise.
19074         * config/i386/cpuid.h: Likewise.
19075         * config/i386/cross-stdarg.h: Likewise.
19076         * config/i386/crtfastmath.c: Likewise.
19077         * config/i386/crtprec.c: Likewise.
19078         * config/i386/cygming-crtbegin.c: Likewise.
19079         * config/i386/cygming-crtend.c: Likewise.
19080         * config/i386/cygwin.asm: Likewise.
19081         * config/i386/emmintrin.h: Likewise.
19082         * config/i386/gmm_malloc.h: Likewise.
19083         * config/i386/gthr-win32.c: Likewise.
19084         * config/i386/i386.h: Likewise.
19085         * config/i386/immintrin.h: Likewise.
19086         * config/i386/linux-unwind.h: Likewise.
19087         * config/i386/linux64.h: Likewise.
19088         * config/i386/mm3dnow.h: Likewise.
19089         * config/i386/mmintrin-common.h: Likewise.
19090         * config/i386/mmintrin.h: Likewise.
19091         * config/i386/nmmintrin.h: Likewise.
19092         * config/i386/pmm_malloc.h: Likewise.
19093         * config/i386/pmmintrin.h: Likewise.
19094         * config/i386/smmintrin.h: Likewise.
19095         * config/i386/sol2-c1.asm: Likewise.
19096         * config/i386/sol2-ci.asm: Likewise.
19097         * config/i386/sol2-cn.asm: Likewise.
19098         * config/i386/sol2-gc1.asm: Likewise.
19099         * config/i386/tmmintrin.h: Likewise.
19100         * config/i386/unix.h: Likewise.
19101         * config/i386/w32-unwind.h: Likewise.
19102         * config/i386/wmmintrin.h: Likewise.
19103         * config/i386/x86-64.h: Likewise.
19104         * config/i386/x86intrin.h: Likewise.
19105         * config/i386/xmmintrin.h: Likewise.
19106         * config/ia64/crtbegin.asm: Likewise.
19107         * config/ia64/crtend.asm: Likewise.
19108         * config/ia64/crtfastmath.c: Likewise.
19109         * config/ia64/crti.asm: Likewise.
19110         * config/ia64/crtn.asm: Likewise.
19111         * config/ia64/fde-glibc.c: Likewise.
19112         * config/ia64/lib1funcs.asm: Likewise.
19113         * config/ia64/linux-unwind.h: Likewise.
19114         * config/ia64/quadlib.c: Likewise.
19115         * config/ia64/unwind-ia64.c: Likewise.
19116         * config/linux.h: Likewise.
19117         * config/m32c/m32c-lib1.S: Likewise.
19118         * config/m32c/m32c-lib2-trapv.c: Likewise.
19119         * config/m32c/m32c-lib2.c: Likewise.
19120         * config/m32r/initfini.c: Likewise.
19121         * config/m68hc11/larith.asm: Likewise.
19122         * config/m68hc11/m68hc11-crt0.S: Likewise.
19123         * config/m68k/cf.md: Likewise.
19124         * config/m68k/crti.s: Likewise.
19125         * config/m68k/crtn.s: Likewise.
19126         * config/m68k/lb1sf68.asm: Likewise.
19127         * config/m68k/linux-unwind.h: Likewise.
19128         * config/mcore/crti.asm: Likewise.
19129         * config/mcore/crtn.asm: Likewise.
19130         * config/mcore/lib1.asm: Likewise.
19131         * config/mips/linux-unwind.h: Likewise.
19132         * config/mips/loongson.h: Likewise.
19133         * config/mips/mips16.S: Likewise.
19134         * config/mmix/crti.asm: Likewise.
19135         * config/mmix/crtn.asm: Likewise.
19136         * config/pa/fptr.c: Likewise.
19137         * config/pa/hpux-unwind.h: Likewise.
19138         * config/pa/lib2funcs.asm: Likewise.
19139         * config/pa/linux-atomic.c: Likewise.
19140         * config/pa/linux-unwind.h: Likewise.
19141         * config/pa/milli64.S: Likewise.
19142         * config/pa/quadlib.c: Likewise.
19143         * config/pa/stublib.c: Likewise.
19144         * config/picochip/libgccExtras/adddi3.asm: Likewise.
19145         * config/picochip/libgccExtras/ashlsi3.asm: Likewise.
19146         * config/picochip/libgccExtras/ashlsi3.c: Likewise.
19147         * config/picochip/libgccExtras/ashrsi3.asm: Likewise.
19148         * config/picochip/libgccExtras/ashrsi3.c: Likewise.
19149         * config/picochip/libgccExtras/cmpsi2.asm: Likewise.
19150         * config/picochip/libgccExtras/divmod15.asm: Likewise.
19151         * config/picochip/libgccExtras/divmodhi4.asm: Likewise.
19152         * config/picochip/libgccExtras/divmodsi4.asm: Likewise.
19153         * config/picochip/libgccExtras/longjmp.asm: Likewise.
19154         * config/picochip/libgccExtras/lshrsi3.asm: Likewise.
19155         * config/picochip/libgccExtras/lshrsi3.c: Likewise.
19156         * config/picochip/libgccExtras/parityhi2.asm: Likewise.
19157         * config/picochip/libgccExtras/popcounthi2.asm: Likewise.
19158         * config/picochip/libgccExtras/setjmp.asm: Likewise.
19159         * config/picochip/libgccExtras/subdi3.asm: Likewise.
19160         * config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
19161         * config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
19162         * config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
19163         * config/rs6000/750cl.h: Likewise.
19164         * config/rs6000/altivec.h: Likewise.
19165         * config/rs6000/biarch64.h: Likewise.
19166         * config/rs6000/crtresfpr.asm: Likewise.
19167         * config/rs6000/crtresgpr.asm: Likewise.
19168         * config/rs6000/crtresxfpr.asm: Likewise.
19169         * config/rs6000/crtresxgpr.asm: Likewise.
19170         * config/rs6000/crtsavfpr.asm: Likewise.
19171         * config/rs6000/crtsavgpr.asm: Likewise.
19172         * config/rs6000/darwin-asm.h: Likewise.
19173         * config/rs6000/darwin-fallback.c: Likewise.
19174         * config/rs6000/darwin-fpsave.asm: Likewise.
19175         * config/rs6000/darwin-ldouble.c: Likewise.
19176         * config/rs6000/darwin-tramp.asm: Likewise.
19177         * config/rs6000/darwin-unwind.h: Likewise.
19178         * config/rs6000/darwin-vecsave.asm: Likewise.
19179         * config/rs6000/darwin-world.asm: Likewise.
19180         * config/rs6000/e500crtres32gpr.asm: Likewise.
19181         * config/rs6000/e500crtres64gpr.asm: Likewise.
19182         * config/rs6000/e500crtres64gprctr.asm: Likewise.
19183         * config/rs6000/e500crtrest32gpr.asm: Likewise.
19184         * config/rs6000/e500crtrest64gpr.asm: Likewise.
19185         * config/rs6000/e500crtresx32gpr.asm: Likewise.
19186         * config/rs6000/e500crtresx64gpr.asm: Likewise.
19187         * config/rs6000/e500crtsav32gpr.asm: Likewise.
19188         * config/rs6000/e500crtsav64gpr.asm: Likewise.
19189         * config/rs6000/e500crtsav64gprctr.asm: Likewise.
19190         * config/rs6000/e500crtsavg32gpr.asm: Likewise.
19191         * config/rs6000/e500crtsavg64gpr.asm: Likewise.
19192         * config/rs6000/e500crtsavg64gprctr.asm: Likewise.
19193         * config/rs6000/eabi-ci.asm: Likewise.
19194         * config/rs6000/eabi-cn.asm: Likewise.
19195         * config/rs6000/eabi.asm: Likewise.
19196         * config/rs6000/linux-unwind.h: Likewise.
19197         * config/rs6000/linux64.h: Likewise.
19198         * config/rs6000/paired.h: Likewise.
19199         * config/rs6000/paired.md: Likewise.
19200         * config/rs6000/ppc64-fp.c: Likewise.
19201         * config/rs6000/ppu_intrinsics.h: Likewise.
19202         * config/rs6000/rs6000.h: Likewise.
19203         * config/rs6000/si2vmx.h: Likewise.
19204         * config/rs6000/sol-ci.asm: Likewise.
19205         * config/rs6000/sol-cn.asm: Likewise.
19206         * config/rs6000/spe.h: Likewise.
19207         * config/rs6000/spu2vmx.h: Likewise.
19208         * config/rs6000/sysv4.h: Likewise.
19209         * config/rs6000/tramp.asm: Likewise.
19210         * config/rs6000/vec_types.h: Likewise.
19211         * config/s390/linux-unwind.h: Likewise.
19212         * config/s390/tpf-unwind.h: Likewise.
19213         * config/score/crti.asm: Likewise.
19214         * config/score/crtn.asm: Likewise.
19215         * config/sh/crt1.asm: Likewise.
19216         * config/sh/crti.asm: Likewise.
19217         * config/sh/crtn.asm: Likewise.
19218         * config/sh/divtab-sh4-300.c: Likewise.
19219         * config/sh/divtab-sh4.c: Likewise.
19220         * config/sh/divtab.c: Likewise.
19221         * config/sh/lib1funcs-4-300.asm: Likewise.
19222         * config/sh/lib1funcs-Os-4-200.asm: Likewise.
19223         * config/sh/lib1funcs.asm: Likewise.
19224         * config/sh/lib1funcs.h: Likewise.
19225         * config/sh/linux-atomic.asm: Likewise.
19226         * config/sh/linux-unwind.h: Likewise.
19227         * config/sh/shmedia.h: Likewise.
19228         * config/sh/sshmedia.h: Likewise.
19229         * config/sh/ushmedia.h: Likewise.
19230         * config/sparc/crtfastmath.c: Likewise.
19231         * config/sparc/linux-unwind.h: Likewise.
19232         * config/sparc/sol2-c1.asm: Likewise.
19233         * config/sparc/sol2-ci.asm: Likewise.
19234         * config/sparc/sol2-cn.asm: Likewise.
19235         * config/spu/divmodti4.c: Likewise.
19236         * config/spu/divv2df3.c: Likewise.
19237         * config/spu/float_disf.c: Likewise.
19238         * config/spu/float_unsdidf.c: Likewise.
19239         * config/spu/float_unsdisf.c: Likewise.
19240         * config/spu/float_unssidf.c: Likewise.
19241         * config/spu/mfc_multi_tag_release.c: Likewise.
19242         * config/spu/mfc_multi_tag_reserve.c: Likewise.
19243         * config/spu/mfc_tag_release.c: Likewise.
19244         * config/spu/mfc_tag_reserve.c: Likewise.
19245         * config/spu/mfc_tag_table.c: Likewise.
19246         * config/spu/multi3.c: Likewise.
19247         * config/spu/spu_internals.h: Likewise.
19248         * config/spu/spu_intrinsics.h: Likewise.
19249         * config/spu/spu_mfcio.h: Likewise.
19250         * config/spu/vec_types.h: Likewise.
19251         * config/spu/vmx2spu.h: Likewise.
19252         * config/stormy16/stormy16-lib2.c: Likewise.
19253         * config/svr4.h: Likewise.
19254         * config/sync.c: Likewise.
19255         * config/v850/lib1funcs.asm: Likewise.
19256         * config/vxlib-tls.c: Likewise.
19257         * config/vxlib.c: Likewise.
19258         * config/vxworks-dummy.h: Likewise.
19259         * config/xtensa/crti.asm: Likewise.
19260         * config/xtensa/crtn.asm: Likewise.
19261         * config/xtensa/ieee754-df.S: Likewise.
19262         * config/xtensa/ieee754-sf.S: Likewise.
19263         * config/xtensa/lib1funcs.asm: Likewise.
19264         * config/xtensa/lib2funcs.S: Likewise.
19265         * config/xtensa/linux-unwind.h: Likewise.
19266         * config/xtensa/unwind-dw2-xtensa.c: Likewise.
19267         * config/xtensa/unwind-dw2-xtensa.h: Likewise.
19268         * coretypes.h: Likewise.
19269         * crtstuff.c: Likewise.
19270         * defaults.h: Likewise.
19271         * dwarf2.h: Likewise.
19272         * emutls.c: Likewise.
19273         * gbl-ctors.h: Likewise.
19274         * gcov-io.h: Likewise.
19275         * ginclude/float.h: Likewise.
19276         * ginclude/iso646.h: Likewise.
19277         * ginclude/stdarg.h: Likewise.
19278         * ginclude/stdbool.h: Likewise.
19279         * ginclude/stddef.h: Likewise.
19280         * ginclude/stdfix.h: Likewise.
19281         * ginclude/stdint-gcc.h: Likewise.
19282         * ginclude/tgmath.h: Likewise.
19283         * gthr-aix.h: Likewise.
19284         * gthr-dce.h: Likewise.
19285         * gthr-gnat.c: Likewise.
19286         * gthr-gnat.h: Likewise.
19287         * gthr-lynx.h: Likewise.
19288         * gthr-mipssde.h: Likewise.
19289         * gthr-nks.h: Likewise.
19290         * gthr-posix.c: Likewise.
19291         * gthr-posix.h: Likewise.
19292         * gthr-posix95.h: Likewise.
19293         * gthr-rtems.h: Likewise.
19294         * gthr-single.h: Likewise.
19295         * gthr-solaris.h: Likewise.
19296         * gthr-tpf.h: Likewise.
19297         * gthr-vxworks.h: Likewise.
19298         * gthr-win32.h: Likewise.
19299         * gthr.h: Likewise.
19300         * libgcc2.c: Likewise.
19301         * libgcc2.h: Likewise.
19302         * libgcov.c: Likewise.
19303         * tsystem.h: Likewise.
19304         * typeclass.h: Likewise.
19305         * unwind-c.c: Likewise.
19306         * unwind-compat.h: Likewise.
19307         * unwind-dw2-fde-compat.c: Likewise.
19308         * unwind-dw2-fde-darwin.c: Likewise.
19309         * unwind-dw2-fde-glibc.c: Likewise.
19310         * unwind-dw2-fde.c: Likewise.
19311         * unwind-dw2-fde.h: Likewise.
19312         * unwind-dw2.c: Likewise.
19313         * unwind-dw2.h: Likewise.
19314         * unwind-generic.h: Likewise.
19315         * unwind-pe.h: Likewise.
19316         * unwind-sjlj.c: Likewise.
19317         * unwind.inc: Likewise.
19318         * config/arm/neon-gen.ml: Change generated copyright header to
19319         refer to version 3 of the GNU General Public License with
19320         version 3.1 of the GCC Runtime Library Exception and to point
19321         readers at the COPYING3 and COPYING3.RUNTIME files and the
19322         FSF's license web page.
19323         * config/arm/arm_neon.h: Regenerate.
19325 2009-04-09  Jakub Jelinek  <jakub@redhat.com>
19327         * config/cris/cris.md: Change copyright header to refer to version
19328         3 of the GNU General Public License.
19329         * doc/install.texi2html: Change copyright header to refer to version
19330         3 of the GNU General Public License and to point readers at the
19331         COPYING3 file and the FSF's license web page.
19332         * config/vax/linux.h: Likewise.
19334 2009-04-09  Paolo Bonzini  <bonzini@gnu.org>
19336         * config/i386/i386.md (cmpcc): New.
19337         * config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
19338         (sync_compare_and_swap_cc*): Delete.
19340         * config/s390/s390.c (s390_compare_emitted): Remove.
19341         (s390_emit_compare): Handle MODE_CC s390_compare_op0 like
19342         s390_compare_emitted used to be handled.  Assert that modes match.
19343         (s390_emit_compare_and_swap): Use s390_emit_compare, do not
19344         refer to sync_compare_and_swap_ccsi.
19345         * config/s390/s390.h (s390_compare_emitted): Remove.
19346         * config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
19347         instead of s390_compare_emitted.
19348         (stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
19349         instead of s390_compare_emitted.
19350         * config/s390/s390.md (cmpcc): New.
19351         (sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
19352         CC_REGNUM, do not pretend it's set.
19353         (sync_compare_and_swap_cc*): Delete.
19354         * config/s390/predicates.md (cc_reg_operand): New.
19356         * expr.c (sync_compare_and_swap_cc): Delete.
19357         * optabs.h (sync_compare_and_swap_cc): Delete.
19358         * optabs.c (prepare_cmp_insn): Ignore which specific CCmode
19359         is being used with can_compare_p.
19360         (emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
19361         (find_cc_set): New.
19362         (expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
19363         look for a MODE_CC set instead.  Use emit_store_flag.
19364         (expand_compare_and_swap_loop): Likewise, with some additional
19365         complication to avoid a force_reg when useless.  Use
19366         emit_cmp_and_jump_insns.
19367         * genopinit.c (optabs): Delete sync_compare_and_swap_cc.
19368         * doc/md.texi (sync_compare_and_swap_cc): Merge with
19369         sync_compare_and_swap documentation.
19371 2009-04-09  Jan Hubicka  <jh@suse.cz>
19373         * except.c (find_prev_try): Break out from ....
19374         (duplicate_eh_regions): ... here; properly update prev_try pointers
19375         when duplication part of tree.
19376         (dump_eh_tree): Improve dumping.
19377         (verify_eh_region): New.
19378         (verify_eh_tree): Use it.
19380 2009-04-06  Richard Guenther  <rguenther@suse.de>
19382         * c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
19383         &ARRAY addresses by adjusting their types and prepending
19384         a conversion.
19385         * tree-cfg.c (verify_gimple_assign_single): Verify that
19386         addresses are correct.
19388 2009-04-09  Richard Guenther  <rguenther@suse.de>
19390         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
19391         indices into an array reference if possible.
19392         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
19393         Fold POINTER_PLUS_EXPR statements with invariant address.
19395 2009-04-09  Alan Modra  <amodra@bigpond.net.au>
19397         PR target/39634
19398         * config.gcc (powerpc64-*-linux*): Always build biarch.
19400 2009-04-09  Joseph Myers  <joseph@codesourcery.com>
19402         PR c/39613
19403         * c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
19404         it and pedwarn if this results in an INTEGER_CST.
19406 2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
19408         * doc/install.texi: Update minimum GMP version.  Remove obsolete
19409         text in MPFR section.
19411 2009-04-08  Jakub Jelinek  <jakub@redhat.com>
19413         * dwarf2out.c (class_scope_p): New static inline.
19414         (class_or_namespace_scope_p): Use it.
19415         (gen_variable_die): Use DW_TAG_member tag for static data member
19416         declarations instead of DW_TAG_variable.
19418         PR middle-end/39573
19419         * omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
19420         variables.
19422 2009-04-08  Richard Guenther  <rguenther@suse.de>
19424         * tree-ssa-sccvn.c (valueize_refs): Do not continue to
19425         valueize random data.
19427 2009-04-08  David Edelsohn  <edelsohn@gnu.org>
19429         * config.gcc (aix tm_file):  Add aix-stdint.h.
19430         (aix tm clause use_gcc_stdint):  Set to wrap.
19431         * config/rs6000/aix-stdint.h:  New file.
19433 2009-04-08  Richard Guenther  <rguenther@suse.de>
19435         PR middle-end/36291
19436         * tree-dfa.c (add_referenced_var): Do not recurse into
19437         global initializers.
19438         * tree-ssa-ccp.c (get_symbol_constant_value): Add newly
19439         exposed variables.
19440         (fold_const_aggregate_ref): Likewise.
19442 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
19444         * recog.c (ordered_comparison_operator): New.
19445         * gensupport.c (std_preds): Add it.
19446         * doc/md.texi (Machine-Independent Predicates): Document it.
19448 2009-04-08  Jan Hubicka  <jh@suse.cz>
19450         * tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
19451         * function.h (rtl_eh): Remove exception_handler_label_map.
19452         * except.c (ehl_hash, ehl_eq, add_ehl_entry,
19453         remove_exception_handler_label, for_each_eh_label_1): Remove.
19454         (rtl_remove_unreachable_regions): Remove.
19455         (convert_from_eh_region_ranges): Do not remove unreachable regions.
19456         (find_exception_handler_labels): Don't build the hashtable.
19457         (maybe_remove_eh_handler): Remove.
19458         (for_each_eh_label): Rewrite to walk the tree.
19459         (rest_of_handle_eh): Do not cleanup cfg prior EH construction.
19460         * except.h (maybe_remove_eh_handler): Remove.
19461         * passes.c (init_optimization_passes): Schedule second EH cleanup
19462         before out-of-ssa.
19463         * cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
19464         cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.
19466 2009-04-08  Paolo Bonzini  <bonzini@gnu.org>
19468         * genoutput.c (validate_optab_operands): New.
19469         (gen_insn, gen_expand): Call it.
19471         * genflags.c (gen_insn): Detect misused iterators.
19472         (main): Pass line_no to gen_insn, exit with status 1 on error.
19474         * genextract.c (line_no): Make global.
19475         (VEC_safe_set_locstr): Change assertion to error message.
19476         (main): Exit with status 1 on error.
19478 2009-04-08  Joseph Myers  <joseph@codesourcery.com>
19480         PR c/39614
19481         PR c/39673
19482         * c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
19483         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
19484         EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
19485         * c-convert.c (convert): Do not call fold on results of conversion
19486         functions when the result is a C_MAYBE_CONST_EXPR.
19487         * c-parser.c (c_parser_postfix_expression): Do not fold condition
19488         of __builtin_choose_expr.
19489         * c-typeck.c (remove_c_maybe_const_expr): New.
19490         (build_unary_op, build_conditional_expr, build_compound_expr,
19491         build_binary_op, c_objc_common_truthvalue_conversion): Call
19492         remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
19493         integer operands.
19495 2009-04-08  Bingfeng Mei  <bmei@broadcom.com>
19497         * fold-const.c (const_binop): Combine two VECTOR_CST under operation
19498         CODE to produce a new one. Add a prototype to use fold_convert_const
19500 2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>
19502         PR bootstrap/39660
19503         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
19504         mix declarations and code.
19506 2009-04-08  Ben Elliston  <bje@au.ibm.com>
19508         * gcc.c: Replace `CC' with `GCC' throughout.
19510 2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>
19512         * doc/invoke.texi: Document Atom support.
19514 2009-04-07  Jason Merrill  <jason@redhat.com>
19516         PR c++/25185
19517         * c-common.h, c-common.c: Add flag_pretty_templates.
19518         * c-opts.c (c_common_handle_option): Set it.
19519         * c.opt: Add -fno-pretty-templates.
19520         * doc/invoke.texi (C++ Dialect Options): Likewise.
19522 2009-04-07  Uros Bizjak  <ubizjak@gmail.com>
19524         * config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
19525         (ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
19526         (ia64_expand_builtin): Likewise.
19528 2009-04-07  Martin Jambor  <mjambor@suse.cz>
19530         * tree-ssa-alias.c (refs_may_alias_p_1): Check for
19531         is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
19532         ADDR_EXPRS are include too.
19534 2009-04-07  Richard Guenther  <rguenther@suse.de>
19536         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
19537         decls are only used if passes as parameters or if they are
19538         local statics and the call is not to a builtin.
19539         (call_may_clobber_ref_p_1): Likewise.
19541 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
19543         * expr.c (do_store_flag): Remove last argument.  Simplify code
19544         to avoid duplication of tests already done by can_compare_p.
19545         (expand_expr_real_1): Adjust caller.
19547 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
19549         * optabs.c (can_compare_p): Test the predicate of a
19550         cbranch and cstore pattern.
19552 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
19554         * expr.c (convert_move): Use emit_store_flag instead of
19555         "emulating" it.
19557 2009-04-07  Paolo Bonzini  <bonzini@gnu.org>
19559         * config/i386/i386.c (ix86_compare_emitted): Remove.
19560         (ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
19561         ix86_compare_op0 like ix86_compare_emitted used to be handled.
19562         * config/i386/i386.h (ix86_compare_emitted): Remove.
19563         * config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
19564         instead of ix86_compare_emitted.
19565         * config/i386/sync.md (sync_compare_and_swap_cc): Likewise.
19567 2009-04-07  Andrew Stubbs  <ams@codesourcery.com>
19569         * config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
19570         Add t-sysroot-suffix to tmake_file.
19571         * config/print-sysroot-suffix.sh: New file.
19572         * config/t-sysroot-suffix: New file.
19574 2009-04-07  Ben Elliston  <bje@au.ibm.com>
19576         * libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
19577         as the latter produces a warning when the target does not support
19578         infinity.
19580 2009-04-07  Ben Elliston  <bje@au.ibm.com>
19582         * dfp.c: Replace type punning assignments with memcpy throughout.
19583         * Makefile.in (dfp.o-warn): Remove.
19585 2009-04-07  Alan Modra  <amodra@bigpond.net.au>
19587         PR target/39634
19588         * config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
19589         Include soft-fp/t-softfp after rs6000/t-linux64.
19591 2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>
19593         * stor-layout.c (set_sizetype): Use the full precision of their
19594         machine mode for bitsize types.
19596 2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>
19598         * config/i386/i386.md: Revert 2 accidental checkins.
19600 2009-04-06  Joey Ye  <joey.ye@intel.com>
19601             Xuepeng Guo  <xuepeng.guo@intel.com>
19602             H.J. Lu  <hongjiu.lu@intel.com>
19604         Atom pipeline model, tuning and insn selection.
19605         * config.gcc (atom): Add atom config options and target.
19607         * config/i386/atom.md: New.
19609         * config/i386/i386.c (atom_cost): New cost.
19610         (m_ATOM): New macro flag.
19611         (initial_ix86_tune_features): Set m_ATOM.
19612         (x86_accumulate_outgoing_args): Likewise.
19613         (x86_arch_always_fancy_math_387): Likewise.
19614         (processor_target): Add Atom cost.
19615         (cpu_names): Add Atom cpu name.
19616         (override_options): Set Atom ISA.
19617         (ix86_issue_rate): New case PROCESSOR_ATOM.
19618         (ix86_adjust_cost): Likewise.
19620         * config/i386/i386.h (TARGET_ATOM): New target macro.
19621         (ix86_tune_indices): Add X86_TUNE_OPT_AGU.
19622         (TARGET_OPT_AGU): New target option.
19623         (target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
19624         (processor_type): Add PROCESSOR_ATOM.
19626         * config/i386/i386.md (cpu): Add new value "atom".
19627         (use_carry, movu): New attr.
19628         (atom.md): Include atom.md.
19629         (adddi3_carry_rex64): Set attr "use_carry".
19630         (addqi3_carry): Likewise.
19631         (addhi3_carry): Likewise.
19632         (addsi3_carry): Likewise.
19633         (*addsi3_carry_zext): Likewise.
19634         (subdi3_carry_rex64): Likewise.
19635         (subqi3_carry): Likewise.
19636         (subhi3_carry): Likewise.
19637         (subsi3_carry): Likewise.
19638         (x86_movdicc_0_m1_rex64): Likewise.
19639         (*x86_movdicc_0_m1_se): Likewise.
19640         (x86_movsicc_0_m1): Likewise.
19641         (*x86_movsicc_0_m1_se): Likewise.
19642         (*adddi_1_rex64): Emit add insn as much as possible.
19643         (*addsi_1): Likewise.
19644         (return_internal): Set atom_unit.
19645         (return_internal_long): Likewise.
19646         (return_pop_internal): Likewise.
19647         (*rcpsf2_sse): Set atom_sse_attr attr.
19648         (*qrt<mode>2_sse): Likewise.
19649         (*prefetch_sse): Likewise.
19651         * config/i386/i386-c.c (ix86_target_macros_internal): New case
19652         PROCESSOR_ATOM.
19653         (ix86_target_macros_internal): Likewise.
19655         * config/i386/sse.md (cpu): Set attr "atom_sse_attr".
19656         (*prefetch_sse_rex): Likewise.
19657         (sse_rcpv4sf2): Likewise.
19658         (sse_vmrcpv4sf2): Likewise.
19659         (sse_sqrtv4sf2): Likewise.
19660         (<sse>_vmsqrt<mode>2): Likewise.
19661         (sse_ldmxcsr): Likewise.
19662         (sse_stmxcsr): Likewise.
19663         (*sse_sfence): Likewise.
19664         (sse2_clflush): Likewise.
19665         (*sse2_mfence): Likewise.
19666         (*sse2_lfence): Likewise.
19667         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
19668         (<sse>_movup<ssemodesuffixf2c>): Likewise.
19669         (avx_movdqu<avxmodesuffix>): Likewise.
19670         (avx_lddqu<avxmodesuffix>): Likewise.
19671         (sse2_movntv2di): Change attr "type" to "ssemov".
19672         (sse2_movntsi): Likewise.
19673         (rsqrtv8sf2): Change attr "type" to "sseadd".
19674         (sse3_addsubv2df3): Set attr "atom_unit".
19675         (sse3_h<plusminus_insn>v4sf3): Likewise.
19676         (*sse2_pmaddwd): Likewise.
19677         (*vec_extractv2di_1_rex64): Likewise.
19678         (*vec_extractv2di_1_avx): Likewise.
19679         (sse2_psadbw): Likewise.
19680         (ssse3_phaddwv8hi3): Likewise.
19681         (ssse3_phaddwv4hi3): Likewise.
19682         (ssse3_phadddv4si3): Likewise.
19683         (ssse3_phadddv2si3): Likewise.
19684         (ssse3_phaddswv8hi3): Likewise.
19685         (ssse3_phaddswv4hi3): Likewise.
19686         (ssse3_phsubwv8hi3): Likewise.
19687         (ssse3_phsubwv4hi3): Likewise.
19688         (ssse3_phsubdv4si3): Likewise.
19689         (ssse3_phsubdv2si3): Likewise.
19690         (ssse3_phsubswv8hi3): Likewise.
19691         (ssse3_phsubswv4hi3): Likewise.
19692         (ssse3_pmaddubsw128): Likewise.
19693         (sse3_pmaddubsw: Likewise.
19694         (ssse3_palignrti): Likewise.
19695         (ssse3_palignrdi): Likewise.
19697 2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>
19699         * doc/install.texi (Specific): Fix two cross-references to MinGW.
19701 2009-04-06  Richard Guenther  <rguenther@suse.de>
19703         PR tree-optimization/28868
19704         * tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
19705         of which PHI results we inserted.
19706         (insert_into_preds_of_block): Record inserted PHIs.
19707         (eliminate): Eliminate redundant PHI nodes.
19708         (init_pre): Init inserted_phi_names.
19710 2009-04-06  Richard Guenther  <rguenther@suse.de>
19712         PR tree-optimization/39643
19713         * tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
19714         IMAGPART_EXPRs of complex constants.
19715         (execute_fold_all_builtins): If we folded a call queue
19716         TODO_update_address_taken.
19718 2009-04-06  Jan Hubicka  <jh@suse.cz>
19720         PR middle-end/39659
19721         * except.c (remove_unreachable_regions): Propagate may_contain_throw
19722         flag.
19724 2009-04-06  Andrew Stubbs  <ams@codesourcery.com>
19726         * config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
19727         delay slot.
19728         (ic_invalidate_array): Likewise.
19730 2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>
19732         * calls.c (emit_library_call_value_1): Fix a problem with parameter
19733         alignment for library calls.
19735 2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>
19737         * config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
19738         (mingw32 tm clause use_gcc_stdint):  Set to wrap.
19739         * config/i386/mingw-stdint.h:  New file.
19741 2009-04-05  Richard Guenther  <rguenther@suse.de>
19743         PR tree-optimization/39648
19744         * tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
19745         our &A vs. &A[0] IL deficiencies.
19747 2009-04-04  Jan Hubicka  <jh@suse.cz>
19749         * except.c (sjlj_find_directly_reachable_regions): Be ready for
19750         removed toplevel regions.
19751         (sjlj_mark_call_sites): Likewise.
19753 2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>
19755         * config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
19756         (cygwin tm clause use_gcc_stdint):  Set to wrap.
19757         * config/i386/cygwin-stdint.h:  New file.
19759 2009-04-04  Richard Guenther  <rguenther@suse.de>
19761         * Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
19762         * tree-ssa-copy.c (init_copy_prop): Do not propagate through
19763         single-argument PHIs if we are in loop-closed SSA form.
19764         * tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
19765         for the pre-condition.
19766         (slpeel_tree_peel_loop_to_edge): Likewise.
19767         (vect_build_loop_niters): Take an optional sequence to append stmts.
19768         (vect_generate_tmps_on_preheader): Likewise.
19769         (vect_do_peeling_for_loop_bound): Take extra guards for the
19770         pre-condition.
19771         (vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
19772         the cost model check.
19773         (vect_loop_versioning): Take stmt and stmt list to put pre-condition
19774         guards if we are going to peel.  Do not apply versioning in that case.
19775         * tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
19776         (vect_do_peeling_for_loop_bound): Likewise.
19777         * tree-vect-loop.c (vect_transform_loop): If we are peeling for
19778         loop bound only record extra pre-conditions, do not apply loop
19779         versioning.
19781 2009-04-04  Richard Guenther  <rguenther@suse.de>
19783         * tree-ssa-operands.c (pop_stmt_changes): Remove automatic
19784         renaming code.
19786 2009-04-04  Jan Hubicka  <jh@suse.cz>
19788         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
19789         last_basic_block for size of bb->index indexed array.
19790         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
19791         compute_out, link_btr_uses, build_btr_def_use_webs,
19792         build_btr_def_use_webs, migrate_btr_defs): Likewise.
19794 2009-04-04  Jan Hubicka  <jh@suse.cz>
19796         * except.c (remove_eh_handler_and_replace): Break out from ...
19797         (remove_eh_handler): ... here.
19798         (bring_to_root): New function.
19799         (remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
19800         handled ones, bring others to root of tree.
19802 2009-04-04  Jan Hubicka  <jh@suse.cz>
19804         * tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
19805         (all_phis_safe_to_merge): New function.
19806         (update_info): New structure.
19807         (make_eh_edge_and_update_phi, update_eh_edges): New functions.
19808         (cleanup_empty_eh): Update SSA if possible.
19810 2009-04-04  Richard Guenther  <rguenther@suse.de>
19812         * tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
19813         * tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
19814         (append_vuse): Likewise.
19816 2009-04-04  Jakub Jelinek  <jakub@redhat.com>
19818         * unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
19819         * unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
19820         instead of REG_UNSAVED for DW_CFA_undefined.
19821         (uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
19822         (uw_update_context): If RA column is REG_UNDEFINED, mark it as
19823         outermost frame.
19825 2009-04-04  Richard Earnshaw  <rearnsha@arm.com>
19827         PR target/39501
19828         * arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
19829         * testsuite/gcc.c-torture/execute/pr39501.c: New file.
19830         * testsuite/gcc.c-torture/execute/pr39501.x: New file.
19832 2009-04-04  Richard Guenther  <rguenther@suse.de>
19834         PR tree-optimization/8781
19835         PR tree-optimization/37892
19836         * tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
19837         * tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
19838         (valueize_refs): Call it for *& valueizations.
19839         (shared_reference_ops_from_ref): Rename to ...
19840         (valueize_shared_reference_ops_from_ref): ... this and valueize.
19841         (shared_reference_ops_from_call): Rename to ...
19842         (valueize_shared_reference_ops_from_call): ... this and valueize.
19843         (vn_reference_lookup): Update.
19844         (visit_reference_op_call): Likewise.
19845         * tree-ssa-pre.c (phi_translate_1): Fold *&.
19846         (eliminate): Value-replace the call address in call statements.
19848 2009-04-04  Richard Guenther  <rguenther@suse.de>
19850         PR tree-optimization/39636
19851         * tree-ssa-forwprop.c
19852         (forward_propagate_addr_into_variable_array_index): Check for
19853         GIMPLE_ASSIGN before accessing the rhs code.
19855 2009-04-03  Jason Merrill  <jason@redhat.com>
19857         * stor-layout.c (set_sizetype): Set TYPE_CANONICAL.
19859 2009-04-03  Steve Ellcey  <sje@cup.hp.com>
19861         * config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
19862         truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
19863         fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
19864         floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
19865         fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
19866         smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
19867         divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
19868         umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
19869         *nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
19870         *nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
19871         adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
19872         smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
19873         *nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
19874         *nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
19875         sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
19876         Use fr_reg_or_fp01_operand instead of fr_register_operand
19878         * config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
19879         recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
19880         divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.
19882 2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>
19884         PR rtl-optimization/39607
19885         PR rtl-optimization/39631
19887         Revert:
19889         2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
19890         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
19891         instead of DF_LR_OUT.
19892         * ira-lives.c (process_bb_node_lives): Ditto.
19893         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
19894         instead of DF_LR_{OUT,IN}.
19895         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
19896         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
19898 2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>
19900         * omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
19901         (execute_lower_omp): Always run but take the short way out if -fopenmp
19902         is not given.
19903         (gate_lower_omp): Remove, forcing the pass manager to always run the
19904         pass and always set PROP_gimple_lomp.
19905         (pass_lower_omp): Remove gate function.
19906         * matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
19907         PROP_trees.  Instead, require it.
19908         * ipa-cp.c (pass_ipa_cp): Likewise.
19909         * ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
19910         (pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
19911         * tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
19912         and PROP_gimple_leh.
19914 2009-04-03  Richard Guenther  <rguenther@suse.de>
19916         PR middle-end/13146
19917         PR tree-optimization/23940
19918         PR tree-optimization/33237
19919         PR middle-end/33974
19920         PR middle-end/34093
19921         PR tree-optimization/36201
19922         PR tree-optimization/36230
19923         PR tree-optimization/38049
19924         PR tree-optimization/38207
19925         PR tree-optimization/38230
19926         PR tree-optimization/38301
19927         PR tree-optimization/38585
19928         PR middle-end/38895
19929         PR tree-optimization/38985
19930         PR tree-optimization/39299
19931         * tree-ssa-structalias.h: Remove.
19932         * tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
19933         (NULL_DEF_OPERAND_P): Make of type def_operand_p.
19934         (struct vuse_element_d): Remove.
19935         (struct vuse_vec_d): Likewise.
19936         (VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
19937         VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
19938         SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
19939         VUSE_ELEMENT_VAR): Likewise.
19940         (struct voptype_d): Likewise.
19941         (NUM_VOP_FREE_BUCKETS): Likewise.
19942         (struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
19943         (struct stmt_operands_d): Remove.
19944         (VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
19945         VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
19946         VDEF_NUM, VDEF_VECT): Likewise.
19947         (copy_virtual_operands): Remove.
19948         (operand_build_cmp): Likewise.
19949         (create_ssa_artificial_load_stmt): Likewise.
19950         (enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
19951         (struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
19952         vuse_index and mayuse_index members.  Pack and move done and iter_type
19953         members to the front.
19954         (SSA_OP_VMAYUSE): Remove.
19955         (SSA_OP_VIRTUAL_USES): Adjust.
19956         (FOR_EACH_SSA_VDEF_OPERAND): Remove.
19957         (unlink_stmt_vdef): Declare.
19958         (add_to_addressable_set): Remove.
19959         * tree-vrp.c (stmt_interesting_for_vrp): Adjust.
19960         (vrp_visit_stmt): Likewise.
19961         * doc/tree-ssa.texi (Alias analysis): Update.
19962         * doc/invoke.texi (max-aliased-vops): Remove docs.
19963         (avg-aliased-vops): Likewise.
19964         * tree-into-ssa.c (syms_to_rename): Remove.
19965         (need_to_update_vops_p): Likewise.
19966         (need_to_initialize_update_ssa_p): Rename to ...
19967         (update_ssa_initialized_fn): ... this.  Track function we are
19968         initialized for.
19969         (symbol_marked_for_renaming): Simplify.
19970         (add_new_name_mapping): Do not set need_to_update_vops_p.
19971         (dump_currdefs): Use SYMS_TO_RENAME.
19972         (rewrite_update_stmt): Always walk all uses/defs.
19973         (dump_update_ssa): Adjust.
19974         (init_update_ssa): Take function argument.  Track what we are
19975         initialized for.
19976         (delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
19977         (create_new_def_for): Initialize for cfun, assert we are initialized
19978         for cfun.
19979         (mark_sym_for_renaming): Simplify.
19980         (mark_set_for_renaming): Do not initialize update-ssa.
19981         (need_ssa_update_p): Simplify.  Take function argument.
19982         (name_mappings_registered_p): Assert we ask for the correct function.
19983         (name_registered_for_update_p): Likewise.
19984         (ssa_names_to_replace): Likewise.
19985         (release_ssa_name_after_update_ssa): Likewise.
19986         (update_ssa): Likewise.  Use SYMS_TO_RENAME.
19987         (dump_decl_set): Do not print a newline.
19988         (debug_decl_set): Do it here.
19989         (dump_update_ssa): And here.
19990         * tree-ssa-loop-im.c (move_computations): Adjust.
19991         (movement_possibility): Likewise.
19992         (determine_max_movement): Likewise.
19993         (gather_mem_refs_stmt): Likewise.
19994         * tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
19995         or NAME_MEMORY_TAG.
19996         * tree-complex.c (update_all_vops): Remove.
19997         (expand_complex_move): Adjust.
19998         * tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
19999         Simplify test for memory referencing statement.  Exclude
20000         non-invariant ADDR_EXPRs.
20001         * tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
20002         * tree-loop-distribution.c (generate_memset_zero): Adjust.
20003         (rdg_flag_uses): Likewise.
20004         * tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
20005         related code.
20006         (tree_optimize_tail_calls_1): Also split the
20007         edge from the entry block if we have degenerate PHI nodes in
20008         the first basic block.
20009         * tree.c (init_ttree): Remove memory-tag related code.
20010         (tree_code_size): Likewise.
20011         (tree_node_structure): Likewise.
20012         (build7_stat): Re-write to be build6_stat.
20013         * tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
20014         (SSA_VAR_P): Adjust.
20015         (struct tree_memory_tag): Remove.
20016         (struct tree_memory_partition_tag): Likewise.
20017         (union tree_node): Adjust.
20018         (build7): Re-write to be build6.
20019         * tree-pass.h (pass_reset_cc_flags): Remove.
20020         (TODO_update_address_taken): New flag.
20021         (pass_simple_dse): Remove.
20022         * ipa-cp.c (ipcp_update_callgraph): Update SSA form.
20023         * params.h (MAX_ALIASED_VOPS): Remove.
20024         (AVG_ALIASED_VOPS): Likewise.
20025         * omp-low.c (expand_omp_taskreg): Update SSA form.
20026         * tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
20027         aliases the lhs in a copy stmt.
20028         * tree-ssa-dse.c (struct address_walk_data): Remove.
20029         (memory_ssa_name_same): Likewise.
20030         (memory_address_same): Likewise.
20031         (get_kill_of_stmt_lhs): Likewise.
20032         (dse_possible_dead_store_p): Simplify, use the oracle.  Handle
20033         unused stores.  Look through PHI nodes into post-dominated regions.
20034         (dse_optimize_stmt): Simplify.  Properly remove stores.
20035         (tree_ssa_dse): Compute dominators.
20036         (execute_simple_dse): Remove.
20037         (pass_simple_dse): Likewise.
20038         * ipa-reference.c (scan_stmt_for_static_refs): Open-code
20039         gimple_loaded_syms and gimple_stored_syms computation.
20040         * toplev.c (dump_memory_report): Dump alias and pta stats.
20041         * tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
20042         (vn_reference_eq): Likewise.
20043         (vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
20044         copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
20045         valueize_vuses): Remove.
20046         (get_def_ref_stmt_vuses): Simplify.  Rename to ...
20047         (get_def_ref_stmt_vuse): ... this.
20048         (vn_reference_lookup_2): New function.
20049         (vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
20050         walking equivalent vuses.  Simplify.
20051         (vn_reference_lookup): Likewise.
20052         (vn_reference_insert): Likewise.
20053         (vn_reference_insert_pieces): Likewise.
20054         (visit_reference_op_call): Simplify.
20055         (visit_reference_op_load): Likewise.
20056         (visit_reference_op_store): Likewise.
20057         (init_scc_vn): Remove shared_lookup_vuses initialization.
20058         (free_scc_vn): Remove shared_lookup_vuses freeing.
20059         (sort_vuses, sort_vuses_heap): Remove.
20060         (get_ref_from_reference_ops): Export.
20061         * tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
20062         vector with single vuse pointer.
20063         (vn_reference_lookup_pieces, vn_reference_lookup,
20064         vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
20065         (shared_vuses_from_stmt): Remove.
20066         (get_ref_from_reference_ops): Declare.
20067         * tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
20068         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
20069         memory-tag related code.
20070         * tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
20071         (likely_value): Add comment, skip static-chain of call statements.
20072         (surely_varying_stmt_p): Adjust.
20073         (gimplify_and_update_call_from_tree): Likewise.
20074         (execute_fold_all_builtins): Do not rebuild alias info.
20075         (gimplify_and_update_call_from_tree): Properly update VOPs.
20076         * tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
20077         (copy_ref_info): Remove memory-tag related code.
20078         * tree-call-cdce.c (tree_call_cdce): Rename the VOP.
20079         * ipa-pure-const.c (check_decl): Remove memory-tag related code.
20080         (check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
20081         computation.
20082         * tree-ssa-dom.c (gimple_p): Remove typedef.
20083         (eliminate_redundant_computations): Adjust.
20084         (record_equivalences_from_stmt): Likewise.
20085         (avail_expr_hash): Likewise.
20086         (avail_expr_eq): Likewise.
20087         * tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
20088         (stmt_makes_single_load): Likewise.
20089         (stmt_makes_single_store): Likewise.
20090         * tree-ssa-alias.c: Rewrite completely.
20091         (debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
20092         debug_mem_sym_stats, dump_mem_sym_stats_for_var,
20093         debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
20094         delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
20095         dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
20096         Remove public functions.
20097         (pass_reset_cc_flags): Remove.
20098         (pass_build_alias): Move ...
20099         * tree-ssa-structalias.c (pass_build_alias): ... here.
20100         * tree-ssa-alias.c (may_be_aliased): Move ...
20101         * tree-flow-inline.h (may_be_aliased): ... here.
20102         tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
20103         count_uses_and_derefs): Move ...
20104         * gimple.c: ... here.
20105         * gimple.h (count_uses_and_derefs): Declare.
20106         * tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
20107         ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
20108         same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
20109         indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
20110         ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
20111         call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
20112         get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
20113         New functions.
20114         * tree-dfa.c (refs_may_alias_p): Move ...
20115         * tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
20116         * tree-ssa-alias.h: New file.
20117         * tree-ssa-sink.c (is_hidden_global_store): Adjust.
20118         (statement_sink_location): Likewise.
20119         * opts.c (decode_options): Do not adjust max-aliased-vops or
20120         avg-aliased-vops values.
20121         * timevar.def (TV_TREE_MAY_ALIAS): Remove.
20122         (TV_CALL_CLOBBER): Likewise.
20123         (TV_FLOW_SENSITIVE): Likewise.
20124         (TV_FLOW_INSENSITIVE): Likewise.
20125         (TV_MEMORY_PARTITIONING): Likewise.
20126         (TV_ALIAS_STMT_WALK): New timevar.
20127         * tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
20128         * tree-ssa-address.c (create_mem_ref_raw): Use build6.
20129         (get_address_description): Remove memory-tag related code.
20130         * tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
20131         * treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
20132         * tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
20133         and immediate uses in statements.  Document.
20134         * gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
20135         (dump_symbols): Remove.
20136         (dump_gimple_mem_ops): Do not dump loaded or stored syms.
20137         * alias.c (get_deref_alias_set): New function split out from ...
20138         (get_alias_set): ... here.
20139         * alias.h (get_deref_alias_set): Declare.
20140         * tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
20141         type parameter.  Remove restrict pointer handling.  Create a
20142         ref-all pointer in case type-based alias sets do not conflict.
20143         (vect_analyze_data_refs): Remove SMT related code.
20144         * tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
20145         (vectorizable_load): Likewise.
20146         * tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
20147         (DR_SYMBOL_TAG, DR_VOPS): Remove.
20148         * tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
20149         Ignore vops and SMTs.
20150         (dr_analyze_alias): Likewise..
20151         (free_data_ref): Likewise.
20152         (create_data_ref): Likewise.
20153         (analyze_all_data_dependences): Likewise.
20154         (get_references_in_stmt): Adjust.
20155         * tree-flow-inline.h (gimple_aliases_computed_p,
20156         gimple_addressable_vars, gimple_call_clobbered_vars,
20157         gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
20158         factoring_name_p, mark_call_clobbered, clear_call_clobbered,
20159         compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
20160         gimple_mem_ref_stats): Remove.
20161         (gimple_vop): New function.
20162         (op_iter_next_use): Remove vuses and mayuses cases.
20163         (op_iter_next_def): Remove vdefs case.
20164         (op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
20165         (clear_and_done_ssa_iter): Do not set removed fields.
20166         (op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
20167         Assert we are not iterating over vuses or vdefs if not also
20168         iterating over uses or defs.
20169         (op_iter_init_use): Likewise.
20170         (op_iter_init_def): Likewise.
20171         (op_iter_next_vdef): Remove.
20172         (op_iter_next_mustdef): Likewise.
20173         (op_iter_init_vdef): Likewise.
20174         (compare_ssa_operands_equal): Likewise.
20175         (link_use_stmts_after): Handle vuse operand.
20176         (is_call_used): Use is_call_clobbered.
20177         (is_call_clobbered): Global variables are always call clobbered,
20178         query the call-clobbers bitmap.
20179         (mark_call_clobbered): Ignore global variables.
20180         (clear_call_clobbered): Likewise.
20181         * tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
20182         virtual operands sanity check.
20183         * tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
20184         Remove.
20185         (TARGET_MEM_REF): Remove TMR_TAG operand.
20186         * tree-dfa.c (add_referenced_var): Initialize call-clobber state.
20187         Remove call-clobber related code.
20188         (remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
20189         (dump_variable): Do not dump SMTs, memory stats, may-aliases or
20190         partitions or escape reason.
20191         (get_single_def_stmt, get_single_def_stmt_from_phi,
20192         get_single_def_stmt_with_phi): Remove.
20193         (dump_referenced_vars): Tidy.
20194         (get_ref_base_and_extent): Allow bare decls.
20195         (collect_dfa_stats): Adjust.
20196         * graphite.c (rename_variables_in_stmt): Adjust.
20197         (graphite_copy_stmts_from_block): Likewise.
20198         (translate_clast): Likewise.
20199         * tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
20200         (EXPR_DIES): New.
20201         (translate_vuse_through_block): Use the oracle.
20202         (phi_translate_1): Adjust.
20203         (value_dies_in_block_x): Use the oracle.  Cache the outcome
20204         in EXPR_DIES.
20205         (valid_in_sets): Check if the VUSE for
20206         a REFERENCE is available.
20207         (eliminate): Do not remove stmts during elimination,
20208         instead queue and remove them afterwards.
20209         (do_pre): Do not rebuild alias info.
20210         (pass_pre): Run TODO_rebuild_alias before PRE.
20211         * tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
20212         * tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
20213         (mark_all_v_defs_stmt): Remove.
20214         (mark_all_v_defs_seq): Adjust.
20215         (sra_replace): Likewise.
20216         (scalarize_use): Likewise.
20217         (scalarize_copy): Likewise.
20218         (scalarize_init): Likewise.
20219         (scalarize_ldst): Likewise.
20220         (todoflags): Remove.
20221         (tree_sra): Do not rebuild alias info.
20222         (tree_sra_early): Adjust.
20223         (pass_sra): Run TODO_update_address_taken before SRA.
20224         * tree-predcom.c (set_alias_info): Remove.
20225         (prepare_initializers_chain): Do not call it.
20226         (mark_virtual_ops_for_renaming): Adjust.
20227         (mark_virtual_ops_for_renaming_list): Remove.
20228         (initialize_root_vars): Adjust.
20229         (initialize_root_vars_lm): Likewise.
20230         (prepare_initializers_chain): Likewise.
20231         * tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
20232         (may_propagate_copy_into_stmt): Likewise.
20233         (merge_alias_info): Do nothing for now.
20234         (propagate_tree_value_into_stmt): Adjust.
20235         (stmt_may_generate_copy): Likewise.
20236         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
20237         not mark symbols for renaming.
20238         (forward_propagate_addr_expr): Match up push/pop_stmt_changes
20239         with the same statement, make sure to update the new pointed-to one.
20240         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
20241         call statements, do not mark symbols for renaming.
20242         (mark_operand_necessary): Dump something.
20243         (ref_may_be_aliased): New function.
20244         (mark_aliased_reaching_defs_necessary_1): New helper function.
20245         (mark_aliased_reaching_defs_necessary): Likewise.
20246         (mark_all_reaching_defs_necessary_1): Likewise.
20247         (mark_all_reaching_defs_necessary): Likewise.
20248         (propagate_necessity): Do not process virtual PHIs.  For
20249         non-aliased loads mark all reaching definitions as necessary.
20250         For aliased loads and stores mark the immediate dominating
20251         aliased clobbers as necessary.
20252         (visited): New global static.
20253         (perform_tree_ssa_dce): Free visited bitmap after propagating
20254         necessity.
20255         (remove_dead_phis): Perform simple dead virtual PHI removal.
20256         (remove_dead_stmt): Properly unlink virtual operands when
20257         removing stores.
20258         (eliminate_unnecessary_stmts): Schedule PHI removal after
20259         stmt removal.
20260         * tree-ssa-ter.c (is_replaceable_p): Adjust.
20261         (process_replaceable): Likewise.
20262         (find_replaceable_in_bb): Likewise.
20263         * tree-ssa.c (verify_ssa_name): Verify all VOPs are
20264         based on the single gimple vop.
20265         (verify_flow_insensitive_alias_info): Remove.
20266         (verify_flow_sensitive_alias_info): Likewise.
20267         (verify_call_clobbering): Likewise.
20268         (verify_memory_partitions): Likewise.
20269         (verify_alias_info): Likewise.
20270         (verify_ssa): Adjust..
20271         (execute_update_addresses_taken): Export.  Update SSA
20272         manually.  Optimize only when optimizing.  Use a local bitmap.
20273         (pass_update_address_taken): Remove TODO_update_ssa, add
20274         TODO_dump_func.
20275         (pass_update_address_taken): Just use TODO_update_address_taken.
20276         (init_tree_ssa): Do not initialize addressable_vars.
20277         (verify_ssa): Verify new VUSE / VDEF properties.
20278         Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
20279         Do not call verify_alias_info.
20280         (delete_tree_ssa): Clear the VUSE, VDEF operands.
20281         Do not free the loaded and stored syms bitmaps.  Reset the escaped
20282         and callused solutions.  Do not free addressable_vars.
20283         Remove memory-tag related code.
20284         (warn_uninitialized_var): Aliases are always available.
20285         * tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
20286         * lambda-code.c (can_put_in_inner_loop): Adjust.
20287         (can_put_after_inner_loop): Likewise.
20288         (perfect_nestify): Likewise.
20289         * tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
20290         (vect_gen_widened_results_half): Remove CALL_EXPR handling.
20291         (vectorizable_conversion): Do not mark symbols for renaming.
20292         * tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
20293         (expand_call_inline): Unlink the calls virtual operands before
20294         replacing it.
20295         (tree_function_versioning): Do not call update_ssa if we are not
20296         updating clones.  Simplify.
20297         * tree-ssa-phiprop.c (phivn_valid_p): Adjust.
20298         (propagate_with_phi): Likewise..
20299         * tree-outof-ssa.c (create_temp): Remove memory tag and call
20300         clobber code.  Assert we are not aliased or global.
20301         * tree-flow.h: Include tree-ssa-alias.h
20302         (enum escape_type): Remove.
20303         (struct mem_sym_stats_d): Likewise.
20304         (struct mem_ref_stats_d): Likewise.
20305         (struct gimple_df): Add vop member.  Remove global_var,
20306         call_clobbered_vars, call_used_vars, addressable_vars,
20307         aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
20308         escaped and callused members.
20309         (struct ptr_info_def): Remove all members, add points-to solution
20310         member pt.
20311         (struct var_ann_d): Remove in_vuse_list, in_vdef_list,
20312         call_clobbered, escape_mask, mpt and symbol_mem_tag members.
20313         * Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
20314         (tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
20315         (tree-ssa-alias.o): Likewise.
20316         (toplev.o): Add tree-ssa-alias.h
20317         (GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
20318         * gimple.c (gimple_set_bb): Fix off-by-one error.
20319         (is_gimple_reg): Do not handle memory tags.
20320         (gimple_copy): Also copy virtual operands.
20321         Delay updating the statement.  Do not reset loaded and stored syms.
20322         (gimple_set_stored_syms): Remove.
20323         (gimple_set_loaded_syms): Likewise.
20324         (gimple_call_copy_skip_args): Copy the virtual operands
20325         and mark the new statement modified.
20326         * tree-ssa-structalias.c (may_alias_p): Remove.
20327         (set_uids_in_ptset): Take the alias set to prune with as
20328         parameter.  Fold in the alias test of may_alias_p.
20329         (compute_points_to_sets): Compute whether a ptr is dereferenced
20330         in a local sbitmap.
20331         (process_constraint): Deal with &ANYTHING on the lhs, reject all
20332         other ADDRESSOF constraints on the lhs.
20333         (get_constraint_for_component_ref): Assert that we don't get
20334         ADDRESSOF constraints from the base of the reference.
20335         Properly generate UNKNOWN_OFFSET for DEREF if needed.
20336         (struct variable_info): Remove collapsed_to member.
20337         (get_varinfo_fc): Remove.
20338         (new_var_info): Do not set collapsed_to.
20339         (dump_constraint): Do not follow cycles.
20340         (dump_constraint_graph): Likewise.
20341         (build_pred_graph): Likewise.
20342         (build_succ_graph): Likewise.
20343         (rewrite_constraints): Likewise.
20344         (do_simple_structure_copy): Remove.
20345         (do_rhs_deref_structure_copy): Remove.
20346         (do_lhs_deref_structure_copy): Remove.
20347         (collapse_rest_of_var): Remove.
20348         (do_structure_copy): Re-implement.
20349         (pta_stats): New global variable.
20350         (dump_pta_stats): New function.
20351         (struct constraint_expr): Make offset signed.
20352         (UNKNOWN_OFFSET): Define special value.
20353         (dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
20354         (solution_set_expand): New helper function split out from ...
20355         (do_sd_constraint): ... here.
20356         (solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
20357         (do_ds_constraint): Likewise.
20358         (do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
20359         and CALLUSED = *CALLUSED.
20360         (set_union_with_increment): Make inc argument signed.
20361         (type_safe): Remove.
20362         (get_constraint_for_ptr_offset): Handle unknown and negative
20363         constant offsets.
20364         (first_vi_for_offset): Handle offsets before start.  Bail
20365         out early for offsets beyond the variable extent.
20366         (first_or_preceding_vi_for_offset): New function.
20367         (init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
20368         Together with ESCAPED = *ESCAPED this properly computes reachability.
20369         (find_what_var_points_to): New function.
20370         (find_what_p_points_to): Implement in terms of find_what_var_points_to.
20371         (pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
20372         pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
20373         pt_solutions_intersect): New functions.
20374         (compute_call_used_vars): Remove.
20375         (compute_may_aliases): New main entry into PTA computation.
20376         * gimple.h (gimple_p): New typedef.
20377         (struct gimple_statement_base): Remove references_memory_p.
20378         (struct gimple_statement_with_memory_ops_base): Remove
20379         vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
20380         members.
20381         (gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
20382         gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
20383         gimple_set_references_memory): Remove.
20384         (gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
20385         gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
20386         New functions.
20387         * tree-cfg.c (move_block_to_fn): Fix off-by-one error.
20388         (verify_expr): Allow RESULT_DECL.
20389         (gimple_duplicate_bb): Do not copy virtual operands.
20390         (gimple_duplicate_sese_region): Adjust.
20391         (gimple_duplicate_sese_tail): Likewise.
20392         (mark_virtual_ops_in_region): Remove.
20393         (move_sese_region_to_fn): Do not call it.
20394         * passes.c (init_optimization_passes): Remove pass_reset_cc_flags
20395         and pass_simple_dse.
20396         (execute_function_todo): Handle TODO_update_address_taken,
20397         call execute_update_addresses_taken for TODO_rebuild_alias.
20398         (execute_todo): Adjust.
20399         (execute_one_pass): Init dump files early.
20400         * ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
20401         call-clobbered.
20402         (create_general_new_stmt): Clear vops.
20403         * tree-ssa-reassoc.c (get_rank): Adjust.
20404         * tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
20405         symbols for renaming.
20406         * params.def (PARAM_MAX_ALIASED_VOPS): Remove.
20407         (PARAM_AVG_ALIASED_VOPS): Likewise.
20408         * tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
20409         (duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
20410         * tree-ssa-operands.c: Simplify for new virtual operand representation.
20411         (operand_build_cmp, copy_virtual_operands,
20412         create_ssa_artificial_load_stmt, add_to_addressable_set,
20413         gimple_add_to_addresses_taken): Remove public functions.
20414         (unlink_stmt_vdef): New function.
20416 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
20418         * config.gcc (powerpc-*-linux*): Merge variants.
20420 2009-04-02  Chao-ying Fu  <fu@mips.com>
20421             James Grosbach  <james.grosbach@microchip.com>
20423         * config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
20424         num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
20425         cop0_sp_offset.
20426         (machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
20427         keep_interrupts_masked_p, use_debug_exception_return_p.
20428         (mips_attribute_table): Add interrupt, use_shadow_register_set,
20429         keep_interrupts_masked, use_debug_exception_return.
20430         (mips_interrupt_type_p, mips_use_shadow_register_set_p,
20431         mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
20432         New functions.
20433         (mips_function_ok_for_sibcall): Return false for interrupt handlers.
20434         (mips_print_operand): Process COP0 registers to print $0 .. $31
20435         correctly for GAS to process.
20436         (mips_interrupt_extra_call_saved_reg_p): New function.
20437         (mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
20438         extra registers.
20439         (mips_cfun_might_clobber_call_saved_reg_p): Likewise.
20440         (mips_compute_frame_info): Add supports for interrupt context that
20441         includes doubleword accumulators and COP0 registers.
20442         (mips_for_each_saved_acc): New function.
20443         (mips_for_each_saved_gpr_and_fpr): Change the function name from
20444         mips_for_each_saved_reg.
20445         (mips_save_reg): Save accumulators.
20446         (mips_kernel_reg_p): A new for_each_rtx callback.
20447         (mips_expand_prologue): Support interrupt handlers.
20448         (mips_restore_reg): Restore accumulators.
20449         (mips_expand_epilogue): Support interrupt handlers.
20450         (mips_can_use_return_insn): Return false for interrupt handlers.
20451         (mips_epilogue_uses): New function.
20452         * config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
20453         UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
20454         (mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
20455         cop0_move): New instructions.
20456         * config/mips/mips-protos.h (mips_epilogue_uses): Declare.
20457         * config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
20458         defines.
20459         (COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
20460         New defines.
20461         (CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
20462         (MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
20463         interrupt handlers, we use K0 as the temporary register.
20464         (EPILOGUE_USES): Change to a function call.
20465         * config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
20466         handlers, we use K0 as the temporary register.
20468         * doc/extend.texi (Function Attributes): Document interrupt,
20469         use_shadow_register_set, keep_interrupts_masked,
20470         use_debug_exception_return for MIPS attributes.
20472 2009-04-03  Alan Modra  <amodra@bigpond.net.au>
20474         * config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
20475         Remove a number of t-files from tmake_file.
20476         * config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
20477         * config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
20478         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
20479         target_prototype, not TARGET_PROTOTYPE.
20480         (LINK_OS_GNU_SPEC): Define.
20481         * config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
20482         and darwin-ldoubdle.c.
20484 2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>
20486         PR driver/39293
20487         * gcc.c (save_temps_flag): Add support for -save-temps=obj.
20488         (cpp_options): Ditto.
20489         (default_compilers): Ditto.
20490         (display_help): Ditto.
20491         (process_command): Ditto.
20492         (do_spec_1): Ditto.
20493         (set_input): Use lbasename instead of duplicate code.
20494         (save_temps_prefix): New static for -save-temps=obj.
20495         (save_temps_length): Ditto.
20497         * doc/invoke.texi (-save-temps=obj): Document new variant to
20498         -save-temps switch.
20500 2009-04-02  Jeff Law  <law@redhat.com>
20502         * reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
20503         variable.
20505 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
20507         * configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
20508         * configure: Regenerated.
20510 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
20512         * c-decl.c (merge_decls): Make sure newdecl and olddecl don't
20513         share the argument list.
20515 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
20517         Merge
20519         2009-02-12  Diego Novillo  <dnovillo@google.com>
20521         * varpool.c (debug_varpool): New.
20522         * cgraph.h (debug_varpool): Declare.
20524 2009-04-02  Jan Hubicka  <jh@suse.cz>
20526         * passes.c (init_optimization_passes): Remove two copies of ehcleanup
20527         pass.
20529 2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>
20531         * config/i386/i386.c (ix86_abi): Move initialization to ...
20532         (override_options): Here.
20534 2009-04-02  Christian Bruel  <christian.bruel@st.com>
20536         * config/sh/sh.c (sh_dwarf_register_span): New function.
20537         (TARGET_DWARF_REGISTER_SPAN): Define.
20538         * config/sh/sh-protos.h (sh_dwarf_register_span): Declare.
20540 2009-04-02  Ira Rosen  <irar@il.ibm.com>
20542         PR tree-optimization/39595
20543         * tree-vect-slp.c (vect_build_slp_tree): Check that the size of
20544         interleaved loads group is not  greater than the SLP group size.
20546 2009-04-02  Rafael Avila de Espindola  <espindola@google.com>
20548         * builtins.c (is_builtin_name): New.
20549         (called_as_built_in): Use is_builtin_name.
20550         * tree.h (is_builtin_name): New.
20551         * varasm.c (incorporeal_function_p): Use is_builtin_name
20553 2009-04-02  Andrew Stubbs  <ams@codesourcery.com>
20555         * config/sh/linux-unwind.h: Disable when inhibit_libc is defined.
20557 2009-04-02  Dodji Seketeli  <dodji@redhat.com>
20559         PR c++/26693
20560         * c-decl.c (clone_underlying_type): Move this ...
20561         * c-common.c (set_underlying_type): ... here.
20562         Also, make sure the function properly sets TYPE_STUB_DECL() on
20563         the newly created typedef variant type.
20564         * c-common.h (is_typedef_decl, set_underlying_type): Declare ...
20565         * c-common.c (is_typedef_decl, set_underlying_type): ... new entry
20566         points.
20568 2009-04-02  Richard Guenther  <rguenther@suse.de>
20570         PR tree-optimization/37221
20571         * tree-flow.h (degenerate_phi_result): Declare.
20572         * tree-ssa-dom.c (degenerate_phi_result): Export.
20573         * tree-scalar-evolution.c (analyze_initial_condition): If
20574         the initial condition is defined by a degenerate PHI node
20575         use the degenerate value.
20577 2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>
20579         PR rtl-optimization/39588
20580         * combine.c (merge_outer_ops): Do not set the constant when this
20581         is not necessary.
20582         (simplify_shift_const_1): Do not modify it either in this case.
20584 2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>
20586         * config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
20587         tuning is deprecated if -mtune value is set to an Itanium1 variant.
20589 2009-04-01  Janis Johnson  <janis187@us.ibm.com>
20591         PR c/29027
20592         * c-lex.c (interpret_float): Default (no suffix) is double.
20594 2009-04-1  Xinliang David Li  <davidxl@google.com>
20596         * config/i386/i386.c (legitimate_constant_p): Recognize
20597         all one vector constant.
20599 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
20601         * config/vax/vax.c: Add #includes to silence warnings.
20602         Change #include order to silence two warnings.
20604 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
20606         * config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
20607         (ASM_SPEC): Pass -k to the assembler for PIC code.
20609 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
20611         * config.gcc: Add vax-*-linux* to the switch.
20612         * config/vax/linux.h: New file. (TARGET_VERSION,
20613         TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.
20615 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
20617         * config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
20618         Use predicate macros instead of GET_CODE() == foo.
20619         * config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
20620         ashlsi3, rotrsi3, <unnamed>): Likewise.
20622 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
20624         * config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
20625         jbbccihi, jbbccisi): Remova trailing whitespace.
20626         * config/vax/constraints.md: Likewise.
20627         * config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
20628         * config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
20629         * config/vax/predicates.md: Likewise.
20630         * config/vax/vax.c (print_operand_address, vax_output_int_move,
20631         vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
20632         * config/vax/vax.h: Likewise.
20633         * config/vax/vax.md (nonlocal_goto): Likewise.
20635 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
20637         * config/vax/vax.c (vax_float_literal, vax_output_int_move)
20638         (indirectable_address_p, adjacent_operands_p): Add spaces around
20639         braces.
20640         * config/vax/vax-protos.h (adjacent_operands_p): Likewise.
20642 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
20644         * config/vax/vax.c (legitimate_constant_address_p,
20645         legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
20646         index_term_p, reg_plus_index_p, legitimate_address_p,
20647         vax_mode_dependent_address_p): Update comments to match functions
20648         modified by the recent int->bool conversion.
20650 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
20652         * config/vax/builtins.md: Update copyright message.
20653         * config/vax/constraints.md: Likewise.
20654         * config/vax/netbsd-elf.h: Likewise.
20655         * config/vax/predicates.md: Likewise.
20656         * config/vax/vax-protos.h: Likewise.
20657         * config/vax/vax.c: Likewise.
20658         * config/vax/vax.h: Likewise.
20659         * config/vax/vax.md: Likewise.
20660         * config/vax/vax.opt: Likewise.
20662 2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>
20664         * config/vax/builtins.md (ffssi2, ffssi2_internal,
20665         sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
20666         * config/vax/constraints.md (B, R): Likewise.
20667         * config/vax/predicates.md (external_memory_operand,
20668         nonimmediate_addsub_di_operand): Likewise.
20669         * config/vax/vax.c (vax_output_int_add): Likewise.
20670         * config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
20671         untyped_call): Likewise.
20673 2009-04-01  Matt Thomas  <matt@3am-software.com>
20675         * config/vax/predicates.md: New file.
20676         (symbolic_operand, local_symbolic_operand, external_symbolic_operand,
20677         external_const_operand, nonsymbolic_operand, external_memory_operand,
20678         indirect_memory_operand, indexed_memory_operand,
20679         illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
20680         nonimmediate_addsub_di_operand, general_addsub_di_operand): New
20681         predicate.
20682         * config/vax/constraints.md: New file.
20683         (Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
20684         New constraint.
20685         * config/vax/builtins.md: New file.
20686         (ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
20687         jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
20688         jbbccisi): Define.
20689         * config/vax/vax.opt (mqmath): Add option.
20690         * config/vax/vax.md (isfx): Extend with DI.
20691         (VAXintQH, VAXintQHSD): Define.
20692         (tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
20693         mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
20694         and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
20695         one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
20696         (movdi): Update constraints and use vax_output_int_move().
20697         (movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
20698         movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
20699         pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
20700         nonlocal_goto): New.
20701         (mov<mode>): Extend accepted operand types.
20702         (subdi3_old): Rename from subdi3, change update constraints and use
20703         a new implementation.
20704         * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
20705         (FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
20706         MOVE_RATIO, CLEAR_RATIO): Define.
20707         (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
20708         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
20709         (PRINT_OPERAND): Redefine using a function instead of inlined code.
20710         * config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
20711         (split_quadword_operands): Make static and really allow variable
20712         splitting.
20713         (print_operand_address): Update for PIC generation.
20714         (print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
20715         indexable_address_p, fixup_mathdi_operand,
20716         vax_expand_addsub_di_operands, adjacent_operands_p): New.
20717         (vax_float_literal, legitimate_constant_p,
20718         indirectable_constant_address_p, index_term_p,
20719         reg_plus_index_p): Return bool instead of int.
20720         (vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
20721         where needed.
20722         (vax_output_int_move, vax_output_int_add): Extend to allow PIC
20723         generation.
20724         (vax_output_conditional_branch): Indent.
20725         (legitimate_constant_address_p, indirectable_constant_address_p,
20726         indirectable_address_p, nonindexed_address_p, legitimate_address_p,
20727         vax_mode_dependent_address_p): Return bool instead of int, update for
20728         PIC generation.
20729         * config/vax/vax-protos.h (legitimate_constant_address_p,
20730         legitimate_constant_p, legitimate_address_p,
20731         vax_mode_dependent_address_p): Change declaration to bool.
20732         (legitimate_pic_operand_p, adjacent_operands_p, print_operand,
20733         vax_expand_addsub_di_operands, vax_output_int_subtract,
20734         vax_output_movmemsi): Declare.
20735         (split_quadword_operands, vax_float_literal): Delete declaration.
20736         * config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
20737         * config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
20738         VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
20739         ASM_OUTPUT_DWARF_PCREL): Define.
20740         (ASM_SPEC): Change definition to allow PIC generation.
20742 2009-04-01  Steve Ellcey  <sje@cup.hp.com>
20744         * doc/sourcebuild.texi: Update front-end requirements.
20746 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
20748         PR target/39226
20749         * config/rs6000/rs6000.md (andsi3_internal5_nomc,
20750         anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
20751         (booldi3_internal3): Use boolean_or_operator instead of
20752         boolean_operator.
20754 2009-04-01  Joseph Myers  <joseph@codesourcery.com>
20756         PR c/39605
20757         * c-decl.c (grokdeclarator): Pedwarn for file-scope array
20758         declarator whose size is not an integer constant expression but
20759         folds to an integer constant, then treat it as a constant
20760         subsequently.
20762 2009-04-01  Richard Guenther  <rguenther@suse.de>
20764         * fold-const.c (fold_plusminus_mult_expr): Do not fold
20765         i * 4 + 2 to (i * 2 + 1) * 2.
20767 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
20769         PR c/37772
20770         * c-parser.c (c_parser_asm_statement): Skip until close paren and
20771         return if c_parser_asm_string_literal returned NULL.
20773 2009-04-01  Nick Clifton  <nickc@redhat.com>
20775         * config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
20776         already defined.
20777         * config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
20778         * config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
20779         other typedefs to avoid conflicts with libgcc2.c.  Define labels
20780         to gain 16-bit bit-manipulation functions from libgcc2.c and then
20781         include it.
20782         * config/m32c/m32c-lib2-trapv.c: New file.  Define labels
20783         to gain 16-bit trapping arithmetic functions from libgcc2.c and
20784         then include it.
20786 2009-04-01  Rafael Avila de Espindola  <espindola@google.com>
20788         * varasm.c (default_function_rodata_section): Declare DOT as
20789         const char*.
20791 2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
20792             Andrey Galkin  <agalkin@hypercom.com>
20794         PR/39492
20795         * config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
20796         Make object_name unique for each process.
20798 2009-04-01  Jakub Jelinek  <jakub@redhat.com>
20800         PR other/39591
20801         * omp-low.c (remove_exit_barrier): Don't optimize if there are any
20802         addressable variables in the parallel that could go out of scope while
20803         running queued tasks.
20805 2009-04-01  Anatoly Sokolov  <aesok@post.ru>
20807         * config/avr/avr.h (avr_case_values_threshold): Remove declaration.
20808         (CASE_VALUES_THRESHOLD): Redefine.
20809         * config/avr/avr.c (avr_override_options): Remove initialization of
20810         avr_case_values_threshold variable.
20811         (avr_case_values_threshold): Remove variable. Add new function.
20812         * config/avr/avr-protos.h (avr_case_values_threshold): Declare.
20813         * config/avr/avr.opt (mno-tablejump): Remove option.
20814         * doc/invoke.texi (AVR Options): Remove -mno-tablejump.
20816 2009-04-01  DJ Delorie  <dj@redhat.com>
20818         * varasm.c (default_function_rodata_section): Don't assume
20819         anything about where the first '.' in the section name is.
20821 2009-04-01  Alan Modra  <amodra@bigpond.net.au>
20823         * config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
20824         rs6000_emit_stack_tie.
20826 2009-03-31  Ian Lance Taylor  <iant@google.com>
20828         * tree-eh.c (tree_remove_unreachable_handlers): Compare
20829         gimple_code with GIMPLE_RESX, not RESX.
20831 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
20833         * c-common.c (c_get_ident): New.
20834         (c_common_nodes_and_builtins): Call it for type names that may be NULL.
20836 2009-04-01  Ben Elliston  <bje@au.ibm.com>
20838         * config/rs6000/sysv4.opt (msdata): Improve option description.
20840 2009-03-31  Steve Ellcey  <sje@cup.hp.com>
20842         * config/ia64/ia64.md (divsf3_internal_lat): Remove.
20843         (divdf3_internal_lat): Remove.
20844         (divxf3_internal_lat): Remove.
20845         (divxf3_internal_thr): Remove.
20846         (divxf): Use divxf3_internal.
20847         * config/ia64/div.md (divsf3_internal_lat): New.
20848         (divdf3_internal_lat): New.
20849         (divxf3_internal): New.
20851 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
20853         PR c/448
20854         * Makefile.in (USE_GCC_STDINT): Define.
20855         (stmp-int-hdrs): Install stdint.h if applicable.
20856         * c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
20857         if known.
20858         (CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
20859         (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
20860         UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
20861         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
20862         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
20863         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
20864         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
20865         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
20866         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
20867         (c_common_nodes_and_builtins): Initialize
20868         underlying_wchar_type_node.  Do not initialize
20869         signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
20870         nodes for new types.
20871         (c_stddef_cpp_builtins): Define macros for new types.
20872         * c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
20873         Remove.
20874         (CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
20875         CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
20876         CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
20877         CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
20878         CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
20879         CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
20880         CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
20881         CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
20882         CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
20883         (signed_wchar_type_node, unsigned_wchar_type_node): Remove.
20884         (underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
20885         int16_type_node, int32_type_node, int64_type_node,
20886         uint8_type_node, uint16_type_node, c_uint32_type_node,
20887         c_uint64_type_node, int_least8_type_node, int_least16_type_node,
20888         int_least32_type_node, int_least64_type_node,
20889         uint_least8_type_node, uint_least16_type_node,
20890         uint_least32_type_node, uint_least64_type_node,
20891         int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
20892         int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
20893         uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
20894         uintptr_type_node): Define.
20895         * c-cppbuiltin.c (builtin_define_constants,
20896         builtin_define_type_minmax): New.
20897         (builtin_define_stdint_macros): Define more macros.
20898         (c_cpp_builtins): Define more limit macros.
20899         (type_suffix): New.
20900         (builtin_define_type_max): Define in terms of
20901         builtin_define_type_minmax.  Remove is_long parameter.  All
20902         callers changed.
20903         * config.gcc (use_gcc_stdint): Define.
20904         (tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
20905         Add newlib-stdint.h for generic targets.
20906         * config/glibc-stdint.h, config/newlib-stdint.h,
20907         ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
20908         * config/m32c/m32c.h (UINTPTR_TYPE): Define.
20909         * config/score/score.h (UINTPTR_TYPE): Define.
20910         * config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
20911         INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
20912         UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
20913         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
20914         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
20915         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
20916         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
20917         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
20918         * config/spu/spu.h (STDINT_LONG32): Define.
20919         * configure.ac (use_gcc_stdint): Substitute.
20920         * configure: Regenerate.
20921         * doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
20922         __INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
20923         __UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
20924         __INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
20925         __INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
20926         __UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
20927         __INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
20928         __UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
20929         __UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
20930         __WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
20931         __SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
20932         __INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
20933         __UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
20934         __INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
20935         __UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
20936         __INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
20937         __INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
20938         __UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
20939         __UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
20940         __INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
20941         __UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
20942         * doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
20943         INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
20944         INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
20945         INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
20946         UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
20947         INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
20948         UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
20949         UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.
20951 2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>
20953         * loop-iv.c (suitable_set_for_replacement): Renamed from
20954         simplify_using_assignment; changed to return bool and to accept new
20955         args DEST and SRC.  Return true iff we find a source/destination pair
20956         that can be used to make a replacement, and fill SRC and DEST if so.
20957         Remove arg ALTERED.  Don't deal with altered regs here.  All callers
20958         changed.
20959         (simplify_using_initial_values): Deal with altered regs here and track
20960         more precisely the effect they have on the validity of our expression.
20962         * loop-iv.c (simplify_using_condition): A condition of the form
20963         (EQ REG CONST) can be used to simply make a substitution.
20964         (simplify_using_initial_values): Keep track of conditions we have seen
20965         and keep using them to simplify new expressions, while applying the
20966         same substitutions to them as to the expression.
20968         * simplify-rtx.c (simplify_relational_operation_1): Simplify
20969         (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
20970         GEU/LTU reversed.
20972         * loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
20973         changed.  Use this when trying to improve the upper bound.
20974         Generate the comparison by using simplify_gen_relational.
20976         * loop-iv.c (simple_rhs_p): Allow more kinds of expressions.
20978         * loop-iv.c (replace_single_def_regs, replace_in_expr): New static
20979         functions.
20980         (simplify_using_assignment, simplify_using_initial_values): Call
20981         replace_in_expr to make replacements.  Call replace_single_def_regs
20982         once on the initial version of the expression.
20984 2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
20986         PR target/27237
20987         * doc/invoke.texi (ARM Options): Update documentation for -mthumb.
20989 2009-03-31  Richard Guenther  <rguenther@suse.de>
20991         PR middle-end/31029
20992         * fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
20993         equality comparisons.  Fold C - X CMP X if C % 2 == 1.
20995 2009-03-31  Richard Guenther  <rguenther@suse.de>
20997         * tree.h (div_if_zero_remainder): Declare.
20998         * fold-const.c (div_if_zero_remainder): Export.
20999         * tree-ssa-forwprop.c
21000         (forward_propagate_addr_into_variable_array_index): Handle
21001         constant array index addition outside of the variable index.
21003 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
21005         PR target/39592
21006         * config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
21007         define_splits, floatunssi<mode>2): Require x87 conversions from
21008         DImode to be permitted.
21010 2009-03-31  Joseph Myers  <joseph@codesourcery.com>
21012         PR preprocessor/15638
21013         * c-common.c (c_cpp_error): Handle CPP_DL_FATAL.
21015 2009-03-31  Richard Guenther  <rguenther@suse.de>
21017         PR middle-end/23401
21018         PR middle-end/27810
21019         * tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
21020         (struct tree_decl_with_vis): Remove gimple_formal_temp member.
21021         * tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
21022         a separate statement.
21023         * gimplify.c (pop_gimplify_context): Remove formal temp handling.
21024         (lookup_tmp_var): Likewise.
21025         (is_gimple_formal_tmp_or_call_rhs): Remove.
21026         (is_gimple_reg_or_call_rhs): Rename to ...
21027         (is_gimple_reg_rhs_or_call): ... this.
21028         (is_gimple_mem_or_call_rhs): Rename to ...
21029         (is_gimple_mem_rhs_or_call): ... this.
21030         (internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
21031         DECL_GIMPLE_REG_P only if is_formal is true.
21032         (gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
21033         for non-proper post-modify expression gimplification.
21034         (gimplify_self_mod_expr): For post-modify expressions gimplify
21035         the lvalue to a minimal lvalue.
21036         (rhs_predicate_for): Remove formal temp case.
21037         (gimplify_modify_expr_rhs): Likewise.
21038         (gimplify_addr_expr): Use is_gimple_reg.
21039         (gimplify_expr): Remove formal temp cases.
21040         (gimple_regimplify_operands): Likewise.
21041         * tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
21042         and FILTER_EXPR like constants.
21043         * gimple.c (walk_gimple_op): Fix val_only initialization, use
21044         is_gimple_reg.
21045         (is_gimple_formal_tmp_rhs): Remove.
21046         (is_gimple_reg_rhs): Remove special casing.
21047         (is_gimple_mem_rhs): Fix.
21048         (is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
21049         (is_gimple_formal_tmp_var): Remove.
21050         (is_gimple_formal_tmp_reg): Likewise.
21051         (is_gimple_min_lval): Allow invariant component ref parts.
21052         * gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
21053         is_gimple_formal_tmp_reg): Remove declarations.
21054         * tree-cfg.c (verify_expr): Verify that variables with address
21055         taken do not have DECL_GIMPLE_REG_P set.
21056         * tree-mudflap.c (mf_build_check_statement_for): Use
21057         force_gimple_operand instead of gimplify_expr.
21059 2009-03-31  Ayal Zaks  <zaks@il.ibm.com>
21061         * modulo-sched.c (sms_schedule_by_order): Pass the actual
21062         schedulable rows to compute_split_row.
21064 2009-03-31  Ben Elliston  <bje@au.ibm.com>
21066         PR target/31635
21067         * config/rs6000/rs6000.c (rs6000_handle_option): Handle
21068         OPT_mvrsave.
21070 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
21072         * doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
21073         * configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
21074         * configure: Regenerate.
21075         * config.in: Regenerate.
21076         * config/rs6000/rs6000.opt (mtls-markers): Add.
21077         * config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
21078         * config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
21079         (tls_ld_aix, tls_ld_sysv): Likewise.
21080         (tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
21081         (tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.
21083 2009-03-31  Alan Modra  <amodra@bigpond.net.au>
21085         * config/spu/spu.c (spu_expand_prologue): Delete redundant code.
21087 2009-03-30  Jan Hubicka  <jh@suse.cz>
21089         * tree-eh.c (make_eh_edges): Set probability 100% to first edge
21090         out of RESX.
21091         (tree_remove_unreachable_handlers): Cleanup EH predecestor
21092         detection and label handling.
21094 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
21096         * ira-int.h (ira_allocno): Rename left_conflicts_num to
21097         left_conflicts_size.
21098         (ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
21099         ALLOCNO_LEFT_CONFLICTS_SIZE.
21101         * ira-color.c (allocno_spill_priority, push_allocno_to_stack,
21102         remove_allocno_from_bucket_and_push,
21103         allocno_spill_priority_compare, push_allocnos_to_stack,
21104         setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
21105         instead of ALLOCNO_LEFT_CONFLICTS_NUM.
21106         (setup_allocno_left_conflicts_num): Ditto.  Rename to
21107         setup_allocno_left_conflicts_size.
21108         (put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
21109         instead of ALLOCNO_LEFT_CONFLICTS_NUM and
21110         setup_allocno_left_conflicts_size instead of
21111         setup_allocno_left_conflicts_num.
21113         * ira-build.c (ira_create_allocno): Use
21114         ALLOCNO_LEFT_CONFLICTS_SIZE instead of
21115         ALLOCNO_LEFT_CONFLICTS_NUM.
21117 2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
21119         * reload.c (push_reload, find_dummy_reload): Use df_get_live_out
21120         instead of DF_LR_OUT.
21122         * ira-lives.c (process_bb_node_lives): Ditto.
21124         * ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
21125         instead of DF_LR_{OUT,IN}.
21127         * ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
21129         * ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.
21131 2009-03-30  Jan Hubicka  <jh@suse.cz>
21133         * except.c (label_to_region_map): Fix thinko.
21135 2009-03-30  Steve Ellcey  <sje@cup.hp.com>
21137         PR middle-end/38237
21138         * tree.h (tree_find_value): New declaration.
21139         * tree.c (tree_find_value): New function.
21140         * varasm.c (assemble_external): Avoid duplicate entries on lists.
21142 2009-03-30  Jakub Jelinek  <jakub@redhat.com>
21144         PR debug/39563
21145         * c-decl.c (struct c_binding): Add locus field.
21146         (bind): Add locus argument, set locus field from it.
21147         (pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
21148         add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
21149         (push_file_scope, pushtag, pushdecl, pushdecl_top_level,
21150         implicitly_declare, undeclared_variable, lookup_label,
21151         declare_label, c_make_fname_decl, c_builtin_function,
21152         c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
21153         bind callers.
21155 2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>
21157         PR target/38781
21158         * config/i386/i386.c (classify_argument): Check total size of
21159         structure.
21161 2009-03-30  Martin Jambor  <mjambor@suse.cz>
21163         * ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
21164         IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
21165         IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
21166         respectively.
21168         * tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
21169         seen_variable_array_ref while also traversing a union.
21171         * tree-inline.c (optimize_inline_calls): Do not call
21172         cgraph_node_remove_callees.
21173         * cgraphbuild.c (remove_cgraph_callee_edges): New function.
21174         (pass_remove_cgraph_callee_edges): New variable.
21175         * passes.c (init_optimization_passes): Add
21176         pass_remove_cgraph_callee_edges after early inlining and before all
21177         late intraprocedural passes.
21179         * omp-low.c (expand_omp_taskreg): Always set current_function_decl.
21181 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
21183         * config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
21184         Fix typos in names.
21186 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
21188         * combine.c (simplify_comparison): Use have_insn_for.
21189         * dojump.c (do_jump): Likewise.
21191 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
21193         * config/sparc/sparc.c (sparc_compare_emitted): Remove.
21194         (gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
21195         sparc_compare_op0 like sparc_compare_emitted used to be handled.
21196         (sparc_expand_compare_and_swap_12): Set sparc_compare_op0
21197         instead of sparc_compare_emitted.
21198         * config/sparc/sparc.h (sparc_compare_emitted): Remove.
21199         * config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
21200         instead of sparc_compare_emitted.
21202 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
21204         * bb-reorder.c (partition_hot_cold_basic_blocks): Do not
21205         enter/exit cfglayout mode.
21206         (pass_partition_block): Require it.
21207         * combine.c (find_single_use, reg_dead_at_p): Use CFG.
21208         (combine_instructions): Track basic blocks instead of labels.
21209         (update_cfg_for_uncondjump): New.
21210         (try_combine): Use it.  Update jumps after rescanning.
21211         (pass_combine): Require PROP_cfglayout.
21212         * passes.c (pass_outof_cfg_layout_mode): Move after regmove.
21214 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
21216         * cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
21217         Provide/destroy PROP_cfglayout respectively.
21218         * gcse.c (pass_jump_bypass, pass_gcse): Require it.
21219         * tree-pass.h (PROP_cfglayout): New.
21221 2009-03-30  Paolo Bonzini  <bonzini@gnu.org>
21223         * fold-const.c (const_binop, fold_convert_const_real_from_fixed,
21224         fold_convert_const_fixed_from_fixed,
21225         fold_convert_const_fixed_from_int,
21226         fold_convert_const_fixed_from_real, fold_negate_const): Do not
21227         set TREE_CONSTANT_OVERFLOW.
21228         * tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
21229         * tree.h (TREE_CONSTANT_OVERFLOW): Delete.
21231 2009-03-30  Ira Rosen  <irar@il.ibm.com>
21233         * tree-vect-loop-manip.c: New file.
21234         * tree-vectorizer.c: Update documentation and included files.
21235         (vect_loop_location): Make extern.
21236         (rename_use_op): Move to tree-vect-loop-manip.c
21237         (rename_variables_in_bb, rename_variables_in_loop,
21238         slpeel_update_phis_for_duplicate_loop,
21239         slpeel_update_phi_nodes_for_guard1,
21240         slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
21241         slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
21242         slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
21243         set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
21244         find_loop_location): Likewise.
21245         (new_stmt_vec_info): Move to tree-vect-stmts.c.
21246         (init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
21247         get_vectype_for_scalar_type, vect_is_simple_use,
21248         supportable_widening_operation, supportable_narrowing_operation):
21249         Likewise.
21250         (bb_in_loop_p): Move to tree-vect-loop.c.
21251         (new_loop_vec_info, destroy_loop_vec_info,
21252         reduction_code_for_scalar_code, report_vect_op,
21253         vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
21254         (vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
21255         (vect_supportable_dr_alignment): Likewise.
21256         * tree-vectorizer.h (tree-data-ref.h): Include.
21257         (vect_loop_location): Declare.
21258         Reorganize function declarations according to the new file structure.
21259         * tree-vect-loop.c: New file.
21260         * tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
21261         tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
21262         * tree-vect-data-refs.c: New file.
21263         * tree-vect-patterns.c (timevar.h): Don't include.
21264         * tree-vect-stmts.c: New file.
21265         * tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
21266         tree-vect-slp.c, tree-vect-loop.c.
21267         * Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
21268         tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
21269         tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
21270         (tree-vect-analyze.o): Remove.
21271         (tree-vect-transform.o): Likewise.
21272         (tree-vect-data-refs.o): Add rule.
21273         (tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
21274         tree-vect-slp.o): Likewise.
21275         (tree-vect-patterns.o): Remove redundant dependencies.
21276         (tree-vectorizer.o): Likewise.
21277         * tree-vect-slp.c: New file.
21279 2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
21281         * optc-gen.awk: Warn if an option flag has multiple different
21282         help strings.
21284 2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>
21286         * doc/invoke.texi (-floop-interchange, -floop-strip-mine,
21287         -floop-block): Document dependences on PPL, CLooG and Graphite.
21289 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
21291         PR rtl-optimization/323
21292         * c-common.c (c_fully_fold, convert_and_check,
21293         c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
21294         (c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
21295         * c-common.def (EXCESS_PRECISION_EXPR): New.
21296         * c-cppbuiltin.c (builtin_define_float_constants): Define
21297         constants with enough digits for long double.
21298         * c-lex.c (interpret_float): Interpret constant with excess
21299         precision where appropriate.
21300         * c-opts.c (c_common_post_options): Set
21301         flag_excess_precision_cmdline.  Give an error for
21302         -fexcess-precision=standard for C++ for processors where the
21303         option is significant.
21304         * c-parser.c (c_parser_conditional_expression): Handle excess
21305         precision in condition.
21306         * c-typeck.c (convert_arguments): Handle arguments with excess
21307         precision.
21308         (build_unary_op): Move excess precision outside operation.
21309         (build_conditional_expr): Likewise.
21310         (build_compound_expr): Likewise.
21311         (build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
21312         (build_modify_expr): Handle excess precision in RHS.
21313         (convert_for_assignment): Handle excess precision in converted
21314         value.
21315         (digest_init, output_init_element, process_init_element): Handle
21316         excess precision in initializer.
21317         (c_finish_return): Handle excess precision in return value.
21318         (build_binary_op): Handle excess precision in operands and add
21319         excess precision as needed for operation.
21320         * common.opt (-fexcess-precision=): New option.
21321         * config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
21322         * config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
21323         For standard excess precision, output explicit conversion to and
21324         truncation from XFmode.
21325         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
21326         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
21327         *float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
21328         define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
21329         define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
21330         floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
21331         divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
21332         *fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
21333         *fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
21334         define_splits, sqrt<mode>2): Disable where appropriate for
21335         standard excess precision.
21336         * convert.c (convert_to_real): Do not shorten arithmetic to type
21337         for which excess precision would be used.
21338         * defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
21339         * doc/invoke.texi (-fexcess-precision=): Document option.
21340         (-mfpmath=): Correct index entry.
21341         * flags.h (enum excess_precision, flag_excess_precision_cmdline,
21342         flag_excess_precision): New.
21343         * langhooks.c (lhd_post_options): Set
21344         flag_excess_precision_cmdline.
21345         * opts.c (common_handle_option): Handle -fexcess-precision=.
21346         * toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
21347         init_excess_precision): New.
21348         (lang_dependent_init_target): Call init_excess_precision.
21349         * tree.c (excess_precision_type): New.
21350         * tree.h (excess_precision_type): Declare.
21352 2009-03-30  Joseph Myers  <joseph@codesourcery.com>
21354         PR c/35235
21355         * c-typeck.c (build_component_ref): Do not copy qualifiers from
21356         non-lvalue to component.
21358 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
21360         PR preprocessor/34695
21361         * Makefile.in (c-opts.o): Depend on c-tree.h.
21362         * c-common.c: Move down include of diagnostic.h.
21363         (done_lexing, c_cpp_error): New.
21364         * c-common.h (done_lexing): Declare.
21365         * c-decl.c (c_write_global_declarations): Don't check cpp_errors
21366         (parse_in).
21367         * c-opts.c: Include c-tree.h.
21368         (c_common_init_options): Set preprocessor error callback.
21369         (c_common_handle_option): Do not set preprocessor
21370         inhibit_warnings, warnings_are_errors, warn_system_headers,
21371         pedantic_errors or inhibit_warnings flags.
21372         (c_common_post_options): Do not check cpp_errors (parse_in).
21373         (c_common_finish): Do not output dependencies if there were
21374         errors.  Do not check return value of cpp_finish.
21375         * c-ppoutput.c (pp_file_change): Set input_location.
21376         * c-tree.h (c_cpp_error): Declare.
21377         * diagnostic.c (diagnostic_set_info_translated): Also initialize
21378         override_column.
21379         (diagnostic_build_prefix): Check override_column.
21380         * diagnostic.h (diagnostic_info): Add override_column field.
21381         (diagnostic_override_column): Define.
21383 2009-03-28  Paolo Bonzini  <bonzini@gnu.org>
21385         * c-common.c (c_expand_expr, c_staticp): Remove.
21386         * c-common.def (COMPOUND_LITERAL_EXPR): Delete.
21387         * c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
21388         COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
21389         * c-gimplify.c (gimplify_compound_literal_expr,
21390         optimize_compound_literals_in_ctor): Remove.
21391         (c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
21392         * c-objc-common.h (LANG_HOOKS_STATICP): Remove.
21393         * c-semantics.c (emit_local_var): Remove.
21395         * langhooks-def.h (lhd_expand_expr): Remove.
21396         * langhooks.c (lhd_expand_expr): Remove.
21397         * langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.
21399         * expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
21400         handling from c-semantics.c; don't call into langhook.
21401         (expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
21402         * gimplify.c (gimplify_compound_literal_expr,
21403         optimize_compound_literals_in_ctor): Move from c-gimplify.c.
21404         (gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
21405         (gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
21406         as was done in c-gimplify.c.
21407         * tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
21408         * tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
21409         Move from c-common.h.
21410         * tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.
21412         * tree.c (staticp): Do not call langhook.
21413         * langhooks.c (lhd_staticp): Delete.
21414         * langhooks-def.h (lhd_staticp): Delete prototype.
21415         (LANG_HOOKS_STATICP): Delete.
21416         (LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.
21418         * doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
21419         instead of DECL_STMTs.
21421 2009-03-29  Joseph Myers  <joseph@codesourcery.com>
21423         PR c/456
21424         PR c/5675
21425         PR c/19976
21426         PR c/29116
21427         PR c/31871
21428         PR c/35198
21429         * builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
21430         void_type_node.
21431         (fold_call_expr): Return a NOP_EXPR from folding rather than the
21432         contained expression.
21433         * c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
21434         (c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
21435         conditional expressions for C.
21436         (decl_constant_value_for_optimization): Move from
21437         decl_constant_value_for_broken_optimization in c-typeck.c.  Check
21438         whether optimizing and that the expression is a VAR_DECL not of
21439         array type instead of doing such checks in the caller.  Do not
21440         check pedantic.  Call gcc_unreachable for C++.
21441         * c-common.def (C_MAYBE_CONST_EXPR): New.
21442         * c-common.h (c_fully_fold, c_save_expr,
21443         decl_constant_value_for_optimization): New prototypes.
21444         (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
21445         C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
21446         EXPR_INT_CONST_OPERANDS): Define.
21447         * c-convert.c (convert): Strip nops from expression.
21448         * c-decl.c (groktypename): Take extra parameters expr and
21449         expr_const_operands.  Update call to grokdeclarator.
21450         (start_decl): Update call to grokdeclarator.  Add statement for
21451         expressions used in type of decl.
21452         (grokparm): Update call to grokdeclarator.
21453         (push_parm_decl): Update call to grokdeclarator.
21454         (build_compound_literal): Add parameter non_const and build a
21455         C_MAYBE_COSNT_EXPR if applicable.
21456         (grokdeclarator): Take extra parameters expr and
21457         expr_const_operands.  Track expressions used in declaration
21458         specifiers and declarators.  Fold array sizes and track whether
21459         they are constant expressions and whether they are integer
21460         constant expressions.
21461         (parser_xref_tag): Set expr and expr_const_operands fields in
21462         return value.
21463         (grokfield): Update call to grokdeclarator.
21464         (start_function): Update call to grokdeclarator.
21465         (build_null_declspecs): Set expr and expr_const_operands fields in
21466         return value.
21467         (declspecs_add_type): Handle expressions in typeof specifiers.
21468         * c-parser.c (c_parser_declspecs): Set expr and
21469         expr_const_operands fields for declaration specifiers.
21470         (c_parser_enum_specifier): Likewise.
21471         (c_parser_struct_or_union_specifier): Likewise.
21472         (c_parser_typeof_specifier): Likewise.  Update call to
21473         groktypename.  Fold expression as needed.  Return expressions with
21474         type instead of adding statements.
21475         (c_parser_attributes): Update calls to c_parser_expr_list.
21476         (c_parser_statement_after_labels): Fold expression before passing
21477         to objc_build_throw_stmt.
21478         (c_parser_condition): Fold expression.
21479         (c_parser_asm_operands): Fold expression.
21480         (c_parser_conditional_expression): Use c_save_expr.  Update call
21481         to build_conditional_expr.
21482         (c_parser_alignof_expression): Update call to groktypename.
21483         (c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
21484         original_code.  Fold expression argument of va_arg.  Create
21485         C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
21486         argument to va_arg.  Update calls to groktypename.  Fold array
21487         index for offsetof.  Verify that first argument to
21488         __builtin_choose_expr has integer type.
21489         (c_parser_postfix_expression_after_paren_type): Update calls to
21490         groktypename and build_compound_literal.  Handle expressions with
21491         side effects in type name.
21492         (c_parser_postfix_expression_after_primary): Update call to
21493         c_parser_expr_list.  Set original_code for calls to
21494         __builtin_constant_p.
21495         (c_parser_expr_list): Take extra parameter fold_p.  Fold
21496         expressions if requested.
21497         (c_parser_objc_type_name): Update call to groktypename.
21498         (c_parser_objc_synchronized_statement): Fold expression.
21499         (c_parser_objc_receiver): Fold expression.
21500         (c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
21501         (c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
21502         c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
21503         * c-tree.h (CONSTRUCTOR_NON_CONST): Define.
21504         (struct c_typespec): Add elements expr and expr_const_operands.
21505         (struct c_declspecs): Add elements expr and expr_const_operands.
21506         (groktypename, build_conditional_expr, build_compound_literal):
21507         Update prototypes.
21508         (in_late_binary_op): Declare.
21509         * c-typeck.c (note_integer_operands): New function.
21510         (in_late_binary_op): New variable.
21511         (decl_constant_value_for_broken_optimization): Move to c-common.c
21512         and rename to decl_constant_value_for_optimization.
21513         (default_function_array_conversion): Do not strip nops.
21514         (default_conversion): Do not call
21515         decl_constant_value_for_broken_optimization.
21516         (build_array_ref): Do not fold result.
21517         (c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
21518         result when operand is a VLA.
21519         (c_expr_sizeof_type): Update call to groktypename.  Handle
21520         expressions included in type name.  Use C_MAYBE_CONST_EXPR for
21521         result when operand names a VLA type.
21522         (build_function_call): Update call to build_compound_literal.
21523         Only fold result for calls to __builtin_* functions.  Strip
21524         NOP_EXPR from INTEGER_CST returned from such functions.  Fold
21525         the function designator.
21526         (convert_arguments): Fold arguments.  Update call to
21527         convert_for_assignment.
21528         (build_unary_op): Handle increment and decrement of
21529         C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
21530         decrement earlier.  Fold operand of increment and decrement.
21531         Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
21532         built for integer operand.  Wrap returns that are INTEGER_CSTs
21533         without being integer constant expressions or that have integer
21534         constant operands without being INTEGER_CSTs.
21535         (lvalue_p): Handle C_MAYBE_CONST_EXPR.
21536         (build_conditional_expr): Add operand ifexp_bcp.  Track whether
21537         result is an integer constant expression or can be used in
21538         unevaluated parts of one and avoid folding and wrap as
21539         appropriate.  Fold operands before possibly doing -Wsign-compare
21540         warnings.
21541         (build_compound_expr): Wrap result for C99 if operands can be used
21542         in integer constant expressions.
21543         (build_c_cast): Update call to digest_init.  Do not ignore
21544         overflow from casting floating-point constants to integers.  Wrap
21545         results that could be confused with integer constant expressions,
21546         null pointer constants or floating-point constants.
21547         (c_cast_expr): Update call to groktypename.  Handle expressions
21548         included in type name.
21549         (build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
21550         lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
21551         Update calls to convert_for_assignment.
21552         (convert_for_assignment): Take new parameter
21553         null_pointer_constant.  Do not strip nops or call
21554         decl_constant_value_for_broken_optimization.  Set
21555         in_late_binary_op for conversions to boolean.
21556         (store_init_value): Update call to digest_init.
21557         (digest_init): Take new parameter null_pointer_constant.  Do not
21558         call decl_constant_value_for_broken_optimization.  pedwarn for
21559         initializers not constant expressions.  Update calls to
21560         convert_for_assignment.
21561         (constructor_nonconst): New.
21562         (struct constructor_stack): Add nonconst element.
21563         (really_start_incremental_init, push_init_level, pop_init_level):
21564         Handle constructor_nonconst and nonconst element.
21565         (set_init_index): Call constant_expression_warning for array
21566         designators.
21567         (output_init_element): Fold value.  Set constructor_nonconst as
21568         applicable.  pedwarn for initializers not constant expressions.
21569         Update call to digest_init.  Call constant_expression_warning
21570         where constant initializers are required.
21571         (process_init_element): Use c_save_expr.
21572         (c_finish_goto_ptr): Fold expression.
21573         (c_finish_return): Fold return value.  Update call to
21574         convert_for_assignment.
21575         (c_start_case): Fold switch expression.
21576         (c_process_expr_stmt): Fold expression.
21577         (c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
21578         ensure statement expression is not evaluated in constant expression.
21579         (build_binary_op): Track whether results are integer constant
21580         expressions or may occur in such, disable folding and wrap results
21581         as applicable.  Fold operands for -Wsign-compare warnings unless
21582         in_late_binary_op.
21583         (c_objc_common_truthvalue_conversion): Handle results folded to
21584         integer constants that are not integer constant expressions.
21585         * doc/extend.texi: Document when typeof operands are evaluated,
21586         that condition of __builtin_choose_expr is an integer constant
21587         expression, and more about use of __builtin_constant_p in
21588         initializers.
21590 2009-03-29  Richard Guenther  <rguenther@suse.de>
21592         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
21593         propagate addresses of array references.
21595 2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>
21597         * regmove.c (perhaps_ends_bb_p): Remove.
21598         (optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
21599         from INSN and check that the main loop stays within that basic block.
21600         (optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
21601         (regmove_forward_pass): Split out from regmove_optimize.  Use
21602         FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
21603         (regmove_backward_pass): Split out from regmove_optimize.  Use
21604         FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
21605         (regmove_optimize): Simplify.
21607 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
21609         PR target/39545
21610         * config/i386/i386.c (classify_argument): Ignore flexible array
21611         member in struct and warn ABI change.
21613 2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>
21615         * config/i386/i386-protos.h (ix86_agi_dependent): New.
21617         * config/i386/i386.c (ix86_agi_dependent): Rewrite.
21618         (ix86_adjust_cost): Updated.
21620 2009-03-29  Jan Hubicka  <jh@suse.cz>
21622         PR middle-end/28850
21623         * tree-pass.h (pass_cleanup_eh): New function.
21624         (remove_unreachable_regions): Break code handling RTL
21625         to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
21626         that can not be reached by runtime.
21627         (can_be_reached_by_runtime): New function.
21628         (label_to_region_map): New function.
21629         (num_eh_regions): New function.
21630         (rtl_remove_unreachable_regions): New function.
21631         (convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
21632         (remove_eh_region): New function.
21633         * except.h: Include sbitmap and vecprim.
21634         (remove_eh_region, remove_unreachable_regions, label_to_region_map,
21635         num_eh_regions): Declare.
21636         * passes.c (init_optimization_passes): Schedule cleanup_eh.
21637         * Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
21638         * tree-eh.c (tree_remove_unreachable_handlers): New function.
21639         (tree_empty_eh_handler_p): New function.
21640         (cleanup_empty_eh): New function.
21641         (cleanup_eh): New function.
21642         (pass_cleanup_eh): New function.
21644 2009-03-29  Jan Hubicka  <jh@suse.cz>
21646         * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
21647         for removed regions.
21649 2009-03-29  Jan Hubicka  <jh@suse.cz>
21651         * except.c (dump_eh_tree): Dump all datastructures.
21653 2009-03-29  Jan Hubicka  <jh@suse.cz>
21655         * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
21656         (duplicate_eh_regions_1): Likewise.
21657         (duplicate_eh_regions): Likewise; cleanup code gorwing the region
21658         vector; call EH verification.
21659         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
21660         Be ready for region being removed.
21662 2009-03-29  Jan Hubicka  <jh@suse.cz>
21664         * bitmap.c (bitmap_last_set_bit): New function.
21665         * bitmap.h (bitmap_last_set_bit): Declare.
21667 2009-03-29  David Ayers  <ayers@fsfe.org>
21669         PR objc/27377
21670         * c-typeck.c (build_conditional_expr): Emit ObjC warnings
21671         by calling objc_compare_types and surpress warnings about
21672         incompatible C pointers that are compatible ObjC pointers.
21674 2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>
21676         * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
21677         call initialize_inline_failed.
21678         (initialize_inline_failed): Move it from here ...
21679         * cgraph.c (initialize_inline_failed): ... to here.
21680         (cgraph_create_edge): Call initialize_inline_failed rather than
21681         setting inline_failed directly.
21683 2009-03-29  Ben Elliston  <bje@au.ibm.com>
21685         PR target/32542
21686         * sysv4.opt (msdata): Improve comment.
21687         * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
21688         * sysv4.h (SVR4_ASM_SPEC): Likewise.
21690 2009-03-29  Ben Elliston  <bje@au.ibm.com>
21692         PR target/30451
21693         * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
21694         load and store attributes.
21696 2009-03-29  Ben Elliston  <bje@au.ibm.com>
21698         * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
21699         (ix86_init_builtins): Add built-in function __builtin_huge_valq.
21700         (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
21701         * doc/extend.texi (X86 Built-in Functions): Add index entries for
21702         __builtin_infq and __builtin_huge_valq.
21704 2009-03-28  Anatoly Sokolov  <aesok@post.ru>
21706         * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
21707         atmega8m1 devices.
21708         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
21709         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
21711 2009-03-28  Xinliang David Li  <davidxl@google.com>
21713         * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
21714         (do_dbg_cnt): New function.
21716 2009-03-28  Jan Hubicka  <jh@suse.cz>
21718         Merge from pretty-ipa:
21720         2009-03-27  Jan Hubicka  <jh@suse.cz>
21722         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
21723         * tree-pass.h (function_called_by_processed_nodes_p): Declare.
21724         * passes.c (function_called_by_processed_nodes_p): New.
21725         * ipa-pure-const.c (check_call): Fix handling of operands.
21726         (analyze_function): Dump debug output for skipped bodies.
21727         (local_pure_const): Use function_called_by_processed_nodes_p.
21728         * dwarf2out.c (reference_to_unused): Use output.
21729         * passes.c (do_per_function_toporder): Likewise.
21731         2008-11-12  Jan Hubicka  <jh@suse.cz>
21733         * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
21734         * ipa-pure-const.c (funct_state_d): Add can throw field; make
21735         state_set_in_source enum
21736         (check_decl): Ignore memory tags; do not set fake looping flags;
21737         dump diagnostics.
21738         (check_operand, check_tree, check_rhs_var, check_lhs_var,
21739         get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
21740         (check_call, analyze_function): Rewrite.
21741         (check_stmt): New.
21742         (add_new_function): Update call of analyze_function.
21743         (generate_summary): Add call of analyze_function.
21744         (propagate): Propagate can_throw; handle state_set_in_source correctly.
21745         (local_pure_const): New function.
21746         (pass_local_pure_const): New pass.
21747         * ipa-inline.c (inline_transform): Set after_inlining.
21748         * tree-eh.c (stmt_can_throw_external): New.
21749         * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
21750         work with aliasing built.
21751         * tree-flow.h (stmt_can_throw_external): New.
21752         * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
21753         and local pure/const pass in early and late optimization queue.
21755 2009-03-28  Martin Jambor  <mjambor@suse.cz>
21757         * fold-const.c (get_pointer_modulus_and_residue): New parameter
21758         allow_func_align.
21759         (fold_binary): Allow function decl aligment consideration is the
21760         second argument is integer constant one.
21761         * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
21762         (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
21763         with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
21765 2009-03-28  Jan Hubicka  <jh@suse.cz>
21767         * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
21768         * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
21769         * function.h (rtl_data): Add nothrow flag.
21770         * except.c (set_nothrow_function_flags): Use crtl->nothrow;
21771         set DECL_NOTHROW for AVAILABLE functions.
21773 2009-03-28  Jakub Jelinek  <jakub@redhat.com>
21775         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
21776         following vector keyword has expansion starting with pixel or bool
21777         keyword, expand vector to __vector and pixel or bool to __pixel or
21778         __bool.
21780         PR c++/39554
21781         * opts.c (warning_disallowed_functions, warn_disallowed_functions,
21782         warn_if_disallowed_function_p): Removed.
21783         (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
21784         * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
21785         warning_if_disallowed_function_p.
21786         * flags.h (warn_if_disallowed_function_p,
21787         warn_disallowed_functions): Removed.
21788         * common.opt (Wdisallowed-function-list=): Removed.
21789         * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
21791 2009-03-28  Richard Guenther  <rguenther@suse.de>
21793         PR tree-optimization/38723
21794         * tree-ssa-pre.c (compute_avail): Add all default definitions to
21795         the entry block.
21797 2009-03-28  Jan Hubicka  <jh@suse.cz>
21799         * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
21800         test introduced by my previous patch.
21802 2009-03-28  Richard Guenther  <rguenther@suse.de>
21804         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
21805         the PHIs value undefined.
21807 2009-03-28  Jan Hubicka  <jh@suse.cz>
21809         * tree-pass.h (pass_fixup_cfg): New pass.
21810         * ipa-inline.c (inline_transform): Set
21811         always_inline_functions_inlined/after_inlining.
21812         * tree-optimize.c (execute_fixup_cfg): Do not set them here.
21813         (pass_fixup_cfg): New pass.
21814         * passes.c (init_optimization_passes): Add fixup_cfg.
21816 2009-03-28  Richard Guenther  <rguenther@suse.de>
21818         PR tree-optimization/38458
21819         * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
21820         argument use the arguments copy-of value.
21822 2009-03-28  Richard Guenther  <rguenther@suse.de>
21824         PR tree-optimization/38180
21825         * tree-ssa-ccp.c (get_default_value): Simplify.
21826         (likely_value): Likewise.
21827         (surely_varying_stmt_p): Properly handle VOP case.
21828         (ccp_initialize): Likewise.
21829         (ccp_fold): Handle propagating through *&.
21830         (fold_const_aggregate_ref): Also handle decls.
21832 2009-03-28  Jan Hubicka  <jh@suse.cz>
21834         * cgraph.c (dump_cgraph_node): Add replace output flag by process.
21835         * cgraph.h (cgraph_node): Likewise.
21836         * cgraphunit.c (cgraph_process_new_functions): Set process flag.
21837         (cgraph_reset_node): Use process flag.
21838         (cgraph_mark_functions_to_output): Likewise.
21839         (cgraph_expand_function): Likewise.
21840         (cgraph_expand_all_functions): Likewise.
21841         (cgraph_output_in_order): Likewise.
21842         * dwarf2out.c (reference_to_unused): Likewise.
21843         * passes.c do_per_function_toporder): Likewise.
21845 2009-03-28  Jan Hubicka  <jh@suse.cz>
21847         Bring from lto-branch:
21849         2008-09-03  Doug Kwan  <dougkwan@google.com>
21851         * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
21852         enums instead of reason strings.
21853         * cgraph.c (cgraph_create_edge): Same.
21854         (cgraph_inline_failed_string): New function.
21855         * cgraph.h (cgraph_inline_failed_t): New enum type.
21856         (cgraph_inline_failed_string): New prototype.
21857         (struct cgraph_edge): Change type of INLINED_FAILED from constant
21858         char pointer to cgraph_inline_failed_t.
21859         (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
21860         (cgraph_default_inline_p): Ditto.
21861         * cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
21862         to cgraph_inline_failed_t pointer.
21863         * cif-code.def: New file.
21864         * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
21865         reason string.
21866         (cgraph_check_inline_limits): Change type of REASON to pointer to
21867         cgraph_inline_failed_t.  Replace reason strings with enums.
21868         (cgraph_default_inline_p): Ditto.
21869         (cgraph_recursive_inlining_p): Ditto.
21870         (update_caller_keys): Change type of FAILED_REASON to
21871         cgraph_inline_failed_t.
21872         (cgraph_set_inline_failed): Change type of REASON to pointer to
21873         cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
21874         convert enums to strings for text output.
21875         (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
21876         to be of type cgraph_inline_failed_t.  Replace reason strings with
21877         enums.  Call cgraph_inline_failed_string to covert enums
21878         to strings for text output.
21879         (cgraph_decide_inlining): Replace reason strings with enums.
21880         (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
21881         to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
21882         for text output.
21883         * tree-inline.c (expand_call_inline): Change type of REASON
21884         to cgraph_inline_failed_t.  Replace reason strings with enums.
21885         Call cgraph_inline_failed_string for text output.
21886         * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
21887         (cgraph.o): Ditto.
21889 2009-03-28  Jan Hubicka  <jh@suse.cz>
21891         * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
21892         cgraph_clone_node): Remove master clone handling.
21893         (cgraph_is_master_clone, cgraph_master_clone): Remove.
21894         * cgraph.h (master_clone): Remove.
21895         (cgraph_is_master_clone, cgraph_master_clone): Remove.
21896         * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
21897         (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
21899 2009-03-28  Jan Hubicka  <jh@suse.cz>
21901         * cgraph.c (cgraph_function_body_availability): Functions declared
21902         inline are always safe to assume that it is not going to be replaced.
21904 2009-03-28  Richard Guenther  <rguenther@suse.de>
21906         PR tree-optimization/38513
21907         * tree-ssa-pre.c (eliminate): Remove redundant stores.
21908         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
21909         EXC_PTR_EXPR and FILTER_EXPR.
21910         (get_ref_from_reference_ops): Likewise.
21912 2009-03-28  Richard Guenther  <rguenther@suse.de>
21914         PR tree-optimization/38968
21915         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
21916         Use FLOOR_MOD_EXPR to compute misalignment.
21918 2009-03-28  Richard Guenther  <rguenther@suse.de>
21920         PR tree-optimization/37795
21921         * tree.h (combine_comparisons): Declare.
21922         * fold-const.c (combine_comparisons): Export.
21923         * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
21924         comparisons.
21925         (ifcombine_iforif): Use combine_comparisons.
21927 2009-03-28  Jan Hubicka  <jh@suse.cz>
21929         * tree-eh.c (inlinable_call_p): New function.
21930         (make_eh_edges): Use it.
21931         (verify_eh_edges): Use it.
21932         (stmt_can_throw_external, stmt_can_throw_internal): Use it.
21933         * except.c (reachable_next_level): Add inlinable_function argument
21934         (sjlj_find_directly_reachable_regions): Update.
21935         (add_reachable_handler): Do not set saw_any_handlers.
21936         (reachable_next_level): Handle MUST_NOT_THROW more curefully.
21937         (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
21938         Add new inlinable call parameter.
21939         (can_throw_internal, can_throw_external): Update.
21940         * except.h (can_throw_internal_1, can_throw_external_1,
21941         foreach_reachable_handler): Update declaration.
21943 2009-03-28  Joseph Myers  <joseph@codesourcery.com>
21945         * config/arm/t-arm-coff, config/h8300/coff.h,
21946         config/i386/i386-aout.h, config/i386/i386-coff.h,
21947         config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
21948         config/pdp11/2bsd.h, config/rs6000/aix41.h,
21949         config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
21950         fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
21951         scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
21952         sys-types.h: Remove.
21953         * Makefile.in: Remove protoize and fixproto support and references
21954         in comments.
21955         (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
21956         PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
21957         Remove.
21958         (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
21959         (MOSTLYCLEANFILES): Remove protoize$(exeext) and
21960         unprotoize$(exeext).
21961         (rest.encap): Don't depend on $(STMP_FIXPROTO)
21962         (.PHONY): Don't depend on proto.
21963         (libgcc-support): Don't depend on $(STMP_FIXPROTO).
21964         (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
21965         protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
21966         deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
21967         build/gen-protos.o, build/scan.o, xsys-protos.h,
21968         build/fix-header$(build_exeext), build/fix-header.o,
21969         build/scan-decls.o, fixhdr.ready, stmp-fixproto,
21970         stmp-install-fixproto): Remove.
21971         (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
21972         SYSCALLS.c or fixproto files.
21973         (install-common): Don't install protoize.
21974         (install-headers-tar, install-headers-cpio, install-headers-cp):
21975         Don't depend on $(STMP_FIXPROTO).
21976         (install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
21977         install fixproto files or write out fixproto settings.
21978         (uninstall): Don't uninstall protoize.
21979         * config.gcc (use_fixproto): Remove.
21980         (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
21981         i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
21982         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
21983         * config/m32r/t-linux (STMP_FIXPROTO): Remove.
21984         * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
21985         * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
21986         * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
21987         * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
21988         * config/t-svr4 (FIXPROTO_DEFINES): Remove.
21989         * config/t-vxworks (STMP_FIXPROTO): Remove.
21990         * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
21991         STMP_FIXPROTO): Remove.
21992         * config.in, configure: Regenerate.
21993         * crtstuff.c (gid_t, uid_t): Don't undefine.
21994         * doc/install.texi: Change m68k-coff to m68k-elf in example.
21995         (arm-*-coff, arm-*-aout: Remove target entries.
21996         (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
21997         Remove mention of AIX 4.1.
21998         (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
21999         * doc/invoke.texi (Running Protoize): Remove.
22000         * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
22001         (Protoize Caveats): Remove.
22002         * tsystem.h: Update comments on headers assumed to exist.
22004 2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>
22006         * genautomata.c: Add a new year to the copyright.  Add a new
22007         reference.
22008         (struct insn_reserv_decl): Add comments for member bypass_list.
22009         (find_bypass): Remove.
22010         (insert_bypass): New.
22011         (process_decls): Use insert_bypass.
22012         (output_internal_insn_latency_func): Output all bypasses with the
22013         same input insn in one switch case.
22015         * rtl.def (define_bypass): Describe bypass choice.
22016         * doc/md.texi (define_bypass): Ditto.
22018 2009-03-27  Richard Guenther  <rguenther@suse.de>
22020         * gimplify.c (mark_addressable): Export.
22021         * tree-flow.h (mark_addressable): Declare.
22022         * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
22023         * tree-ssa.c (verify_phi_args): Verify that address taken
22024         variables have TREE_ADDRESSABLE set.
22026 2009-03-27  Richard Guenther  <rguenther@suse.de>
22028         * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
22029         (build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
22030         Do not mark decls TREE_ADDRESSABLE.
22031         (build_fold_addr_expr): Adjust.
22032         (fold_addr_expr): Remove.
22033         (fold_unary): Use build_fold_addr_expr.
22034         (fold_comparison): Likewise.
22035         (split_address_to_core_and_offset): Likewise.
22036         * coverage.c (tree_coverage_counter_addr): Mark the array decl
22037         TREE_ADDRESSABLE.
22038         * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
22039         (gimplify_modify_expr_to_memcpy): Mark source and destination
22040         addressable.
22041         * omp-low.c (create_omp_child_function): Mark the object decl
22042         TREE_ADDRESSABLE.
22043         (lower_rec_input_clauses): Mark the var we take the address of
22044         TREE_ADDRESSABLE.
22045         (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
22047 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
22049         PR middle-end/39315
22050         * cfgexpand.c (expand_one_stack_var_at): Change alignment
22051         limit to MAX_SUPPORTED_STACK_ALIGNMENT.
22053 2009-03-27  Richard Guenther  <rguenther@suse.de>
22055         PR tree-optimization/39120
22056         * tree-ssa-structalias.c (handle_rhs_call): Fill out return
22057         constraints.
22058         (handle_lhs_call): Process return constraints.  Add escape
22059         constraints if necessary.
22060         (handle_const_call): Fill out return constraints.  Make nested
22061         case more precise.  Avoid consttmp if possible.
22062         (handle_pure_call): Fill out return constraints.  Avoid
22063         callused if possible.
22064         (find_func_aliases): Simplify call handling.
22066 2009-03-27  Richard Guenther  <rguenther@suse.de>
22068         PR tree-optimization/39120
22069         * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
22070         as a representative.
22071         (solve_graph): Do propagate CALLUSED.
22072         (handle_pure_call): Use a scalar constraint from CALLUSED for
22073         the return value.
22074         (find_what_p_points_to): CALLUSED shall not appear in poins-to
22075         solutions.
22077 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
22079         PR c/39323
22080         * c-common.c (handle_aligned_attribute): Properly check alignment
22081         overflow.  Use (1U << i) instead of (1 << i).
22083         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.
22085         * expr.h (get_mem_align_offset): Updated.
22087         * tree.h (tree_decl_common): Change align to "unsigned int" and
22088         move it before pointer_alias_set.
22090 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
22091             Jakub Jelinek  <jakub@redhat.com>
22093         PR target/38034
22094         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
22095         gr_register_operand with gr_reg_or_0_operand.
22096         (cmpxchg_rel_di): Likewise.
22097         (sync_lock_test_and_set<mode>): Likewise.
22099 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
22101         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
22102         (true_regnum): Likewise.
22104         * rtlanal.c (subreg_info): Moved to ...
22105         * rtl.h (subreg_info): Here.  New.
22106         (subreg_get_info): New.
22108         * rtlanal.c (subreg_get_info): Make it extern.
22110 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
22112         PR target/39472
22113         * config/i386/i386.c (ix86_abi): New.
22114         (override_options): Handle -mabi=.
22115         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
22116         (ix86_call_abi_override): Likewise.
22117         (init_cumulative_args): Likewise.
22118         (function_arg_advance): Likewise.
22119         (function_arg_64): Likewise.
22120         (function_arg): Likewise.
22121         (ix86_pass_by_reference): Likewise.
22122         (ix86_function_value_regno_p): Likewise.
22123         (ix86_build_builtin_va_list_abi): Likewise.
22124         (setup_incoming_varargs_64): Likewise.
22125         (is_va_list_char_pointer): Likewise.
22126         (ix86_init_machine_status): Likewise.
22127         (ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
22128         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
22129         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
22130         (ix86_function_abi): Make it static and return enum calling_abi.
22131         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
22132         with ix86_abi.
22133         (ix86_fn_abi_va_list): Updated.
22135         * config/i386/i386.h (ix86_abi): New.
22136         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
22137         (CONDITIONAL_REGISTER_USAGE): Likewise.
22138         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
22139         (machine_function): Likewise.
22141         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
22142         with ix86_abi.
22143         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
22144         (STACK_BOUNDARY): Likewise.
22145         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
22147         * config/i386/i386.opt (mabi=): New.
22149         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
22150         return enum calling_abi.
22151         (ix86_function_type_abi): Likewise.
22152         (ix86_function_abi): Removed.
22154         * doc/invoke.texi: Document -mabi= option for x86.
22156 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
22158         * builtins.c (real_dconstp): Delete.
22159         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
22161 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
22162             Jakub Jelinek  <jakub@redhat.com>
22164         PR debug/37959
22165         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
22166         (gen_subprogram_die): When a function is explicit, generate the
22167         DW_AT_explicit attribute.
22168         * langhooks.h (struct lang_hooks_for_decls): Add
22169         function_decl_explicit_p langhook.
22170         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
22171         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
22173 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
22175         * builtins.c (fold_builtin_memory_op): Optimize memmove
22176         into memcpy if we can prove source and destination don't overlap.
22178         * tree-inline.c: Include gt-tree-inline.h.
22179         (clone_fn_id_num): New variable.
22180         (clone_function_name): New function.
22181         (tree_function_versioning): Use it.
22182         * Makefile.in (GTFILES): Add tree-inline.c.
22184 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
22186         * BASE-VER: Change to 4.5.0.
22188 2009-03-27  Xinliang David Li  <davidxl@google.com>
22190         PR tree-optimization/39557
22191         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
22193 2009-03-27  Xinliang David Li  <davidxl@google.com>
22195         PR tree-optimization/39548
22196         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
22197         candidate check.
22199 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
22201         * c-common.c (pointer_int_sum): Use %wd on return from
22202         tree_low_cst.
22204 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
22206         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
22207         on return from tree_low_cst.
22209 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
22211         PR c++/36799
22212         * ginclude/stdarg.h (va_copy): Define also for
22213         __GXX_EXPERIMENTAL_CXX0X__.
22215 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
22217         PR c++/35652
22218         * builtins.h (c_strlen): Do not warn here.
22219         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
22220         * c-common.c (pointer_int_sum): Take an explicit location.
22221         Warn about offsets out of bounds.
22222         * c-common.h (pointer_int_sum): Adjust declaration.
22224 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
22226         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
22227         markup glitch.
22229 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
22231         PR c++/39554
22232         * opts.c (warn_if_disallowed_function_p): Don't assume
22233         get_callee_fndecl must return non-NULL.
22235 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
22237         PR rtl-optimization/39522
22238         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
22239         when reg_reloaded_valid is set.
22241 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
22243         * config/spu/divv2df3.c: New file.
22244         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
22245         (DPBIT_FUNCS): Filter out _div_df.
22247 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
22249         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
22250         a jump insn, count that jump in the distance to the loop start.
22252 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
22254         PR target/39523
22255         * config/sh/sh.c (calc_live_regs): Fix condition for global
22256         registers except PIC_OFFSET_TABLE_REGNUM.
22258 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
22260         PR/39518
22261         * doc/invoke.texi (-mconsole): New.
22262         (-mcygwin): New.
22263         (-mno-cygwin): New.
22264         (-mdll): New.
22265         (-mnop-fun-dllimport): New.
22266         (-mthread): New.
22267         (-mwin32): New.
22268         (-mwindows): New.
22269         (sub section "i386 and x86-64 Windows Options"): New.
22271 2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>
22273         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
22274         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
22276 2009-03-25  Richard Guenther  <rguenther@suse.de>
22278         PR middle-end/39497
22279         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
22280         of -Wno-error.
22282 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
22284         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
22285         neither of haifa/selective schedulers are working.
22287 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
22289         * doc/invoke.texi (Debugging Options): Fix description of
22290         -fno-merge-debug-strings.
22292 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
22294         * config/cris/libgcc.ver: New version-script.
22295         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
22297         * configure.ac <GAS features, nop mnemonic>: Add pattern
22298         crisv32-*-* for "nop".
22299         <GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
22300         * configure: Regenerate.
22302 2009-03-24  Ira Rosen  <irar@il.ibm.com>
22304         PR tree-optimization/39529
22305         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
22306         mark_sym_for_renaming for the tag copied to the new vector
22307         pointer.
22309 2009-03-24  Arthur Loiret  <aloiret@debian.org>
22311         * config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
22312         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
22313         EXTRA_SPEC_FUNCTIONS.
22314         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
22315         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
22316         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
22317         -march and -mtune options.
22319 2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>
22321         * config/m68k/t-rtems: Add m5329 multilib.
22323 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
22324             Jakub Jelinek  <jakub@redhat.com>
22326         PR debug/39524
22327         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
22328         nodes.
22330 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
22332         PR c/39495
22333         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
22334         instead of c_parser_expression_conv, if original_code isn't one of the
22335         4 allowed comparison codes, fail.
22337 2009-03-23  Richard Guenther  <rguenther@suse.de>
22339         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
22340         * tree.h (struct tree_type): Likewise.
22341         * reload.h (struct insn_chain): Likewise.
22342         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
22343         * function.h (struct function): Likewise.
22344         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
22346 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
22348         PR tree-optimization/39516
22349         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
22351 2009-03-23  Bingfeng Mei  <bmei@broadcom.com>
22353         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
22354         should be set true if BITS_PER_WORD of target is bigger than 32
22356 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
22358         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
22359         Translate -B-options to -rpath-link.  Correct existing
22360         rpath-link and conditionalize on !nostdlib.
22362 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
22364         * doc/extend.texi (Function Attributes, Variable Attributes):
22365         Fix typos.
22366         * doc/invoke.texi (Debugging Options, Optimize Options)
22367         (i386 and x86-64 Options, MCore Options): Likewise.
22369 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
22371         PR debug/37890
22372         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
22373         it for block local namespace aliases.
22374         (gen_decl_die): Pass context_die to gen_namespace_die.
22376 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
22378         PR c/39495
22379         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
22380         minimum or maximum value.
22382 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
22384         * reginfo.c (globalize_reg): Recompute derived reg sets.
22386 2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>
22388         PR target/39063
22389         * libgcc2.c (mprotect): Do not use signed arguments for
22390         VirtualProtect, use DWORD arguments.  Also fix the 'may
22391         be used uninitialized' warning for the np variable.
22393 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
22395         PR target/39496
22396         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
22397         functions using regparm calling conventions when not optimizing.
22398         (ix86_function_sseregparm): Similarly for sseregparm calling
22399         conventions.
22401 2009-03-19  Li Feng  <nemokingdom@gmail.com>
22403         PR middle-end/39500
22404         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
22405         dependence if the first conflict is after niter iterations.
22407 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
22409         PR middle-end/38609
22410         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
22411         functions with dynamic stack-pointer adjustments.
22413 2009-03-19  Ben Elliston  <bje@au.ibm.com>
22415         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
22416         option; change to -msdata=data.
22418 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
22420         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
22421         and -fopenmp.
22423 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
22425         PR target/35180
22426         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
22428 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
22430         * doc/invoke.texi (Code Gen Options): Expand discussion of
22431         -fno-common.
22433 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
22435         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
22436         * matrix-reorg.c (struct matrix_info): Likewise.
22437         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
22438         * rtl.h (struct mem_attrs): Likewise.
22439         * df.h (struct df): Likewise.
22440         * tree-data-ref.h (struct data_dependence_relation): Likewise.
22441         * ira-int.h (struct ira_allocno): Likewise.
22442         * df-scan.c (struct df_collection_rec): Likewise.
22443         * ira.c (struct equivalence): Likewise.
22444         * function.c (struct temp_slot): Likewise.
22445         * cfgloop.h (struct loop): Likewise.
22447         PR debug/39485
22448         * function.c (use_register_for_decl): When not optimizing, disregard
22449         register keyword for variables with types containing methods.
22451 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
22453         PR middle-end/39447
22454         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
22455         (is_simple_operand): Call contains_component_ref_p before calling data
22456         reference analysis that would fail on COMPONENT_REFs.
22458         * tree-vrp.c (search_for_addr_array): Fix formatting.
22460 2009-03-18  Richard Guenther  <rguenther@suse.de>
22462         * tree-vect-transform.c (vect_loop_versioning): Fold the
22463         generated comparisons.
22464         * tree-vectorizer.c (set_prologue_iterations): Likewise.
22465         (slpeel_tree_peel_loop_to_edge): Likewise.
22467 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
22469         PR middle-end/37805
22470         * opts.c (print_specific_help): In addition to `undocumented',
22471         accept `separate' and `joined' flags if passed alone.  Describe
22472         output by the first matched one of those.
22473         (common_handle_option): Skip over empty strings.
22474         * gcc.c (display_help): Fix help string for `--help='.
22475         * doc/invoke.texi (Option Summary, Overall Options): With
22476         `--help=', classes and qualifiers can both be repeated, but
22477         only the latter can be negated.  One should not pass only
22478         negated qualifiers.  Fix markup and examples.
22480         Revert
22481         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
22482         PR middle-end/37805
22483         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
22484         and -fhelp=separate.
22486 2009-03-17  Jing Yu  <jingyu@google.com>
22488         PR middle-end/39378
22489         * function.h (struct rtl_data): Move is_thunk from here...
22490         (struct function): ...to here.
22491         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
22492         * varasm.c (assemble_start_function): Change is_thunk from crtl to
22493         cfun.
22494         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
22495         cfun.
22496         (alpha_does_function_need_gp, alpha_start_function): Likewise.
22497         (alpha_output_function_end_prologue): Likewise.
22498         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
22499         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
22500         (rs6000_output_function_epilogue): Likewise.
22501         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
22503 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
22505         PR target/39482
22506         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
22507         from different units in a single alternative.
22508         (*truncdfsf_i387): Ditto.
22509         (*truncxfsf2_mixed): Ditto.
22510         (*truncxfdf2_mixed): Ditto.
22512 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
22514         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
22515         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
22517         PR debug/39474
22518         * tree-ssa-live.c (remove_unused_locals): Don't remove local
22519         unused non-artificial variables when not optimizing.
22521         PR debug/39471
22522         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
22523         DW_TAG_imported_module even if decl is IMPORTED_DECL with
22524         NAMESPACE_DECL in its DECL_INITIAL.
22526         PR middle-end/39443
22527         * optabs.c (set_user_assembler_libfunc): New function.
22528         * expr.h (set_user_assembler_libfunc): New prototype.
22529         * c-common.c: Include libfuncs.h.
22530         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
22531         for memcmp, memset, memcpy, memmove and abort.
22532         * Makefile.in (c-common.o): Depend on libfuncs.h.
22534         PR debug/39412
22535         * dwarf2out.c (gen_inlined_enumeration_type_die,
22536         gen_inlined_structure_type_die, gen_inlined_union_type_die,
22537         gen_tagged_type_instantiation_die): Removed.
22538         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
22539         do nothing.
22541 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
22543         PR testsuite/38526
22544         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
22545         its use.
22546         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
22547         (check-parallel-%): Ditto.
22548         (check-consistency): Ditto.
22550 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
22552         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
22553         local variable rhs by NULL_TREE.
22555 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
22557         PR target/39477
22558         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
22560 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
22562         PR target/39476
22563         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
22565 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
22567         PR target/39473
22568         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
22569         for ms->sysv ABI calls only in 64bit mode.
22571         * config/i386/i386.md (untyped_call): Support 32bit.
22573 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
22575         * doc/extend.texi: Replace x86_65 with x86_64.
22577 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
22579         PR tree-optimization/39455
22580         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
22581         mismatches for POINTER_TYPE_P (type).
22582         (number_of_iterations_le): Likewise.
22584 2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
22586         * config/picochip/picochip.c: Removed profiling support.
22587         * config/picochip/picochip.md: Removed profiling instruction.
22588         * config/picochip/picochip.h: Removed profiling builtin.
22590 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
22592         * doc/install.texi (--with-host-libstdcxx): Document.
22594 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
22596         PR target/34299
22597         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
22598         generate a warning if the function name does not begin with
22599         "__vector" and the function has either the 'signal' or 'interrupt'
22600         attribute, from here to ...
22601         (avr_declare_function_name): ...here. New function.
22602         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
22603         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
22605 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
22607         PR bootstrap/39454
22608         * cse.c (fold_rtx): Don't modify original const_arg1 when
22609         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
22610         separate variable instead.
22611         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
22612         from out of range shift counts.
22613         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
22615 2009-03-13  Catherine Moore  <clm@codesourcery.com>
22617         * config/i386/x-mingw32 (host-mingw32.o): Replace
22618         diagnostic.h with $(DIAGNOSTIC_H).
22620 2009-03-12  Jakub Jelinek  <jakub@redhat.com>
22622         PR target/39431
22623         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
22624         predicate.
22625         * config/i386/sync.md (sync_compare_and_swap<mode>,
22626         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
22627         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
22628         into a register.
22629         (sync_double_compare_and_swapdi_pic,
22630         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
22631         cmpxchg8b_pic_memory_operand instead of just memory_operand.
22633 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
22635         PR target/39445
22636         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
22638 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
22640         PR target/39327
22641         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
22642         (avx_addsubv4df3): Likewise.
22643         (*avx_addsubv4sf3): Likewise.
22644         (sse3_addsubv4sf3): Likewise.
22646 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
22648         PR target/38824
22649         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
22651 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
22653         PR debug/39432
22654         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
22655         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
22656         registers for allocnos created from user-defined variables.
22658 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
22660         PR target/39181
22661         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
22662         of non-integer mode as well.
22664 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
22666         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
22667         for functions for which the parameter types are unknown.
22669 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
22671         PR target/39137
22672         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
22673         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
22674         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
22675         * config/i386/i386.c (ix86_local_alignment): For
22676         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
22677         long long variables on the stack to avoid dynamic realignment.
22678         Allow the first argument to be a decl rather than type.
22679         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
22681 2009-03-11  Nick Clifton  <nickc@redhat.com>
22683         PR target/5362
22684         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
22685         options.
22686         Add description to mno-lsim option.
22687         * config/mcore/mcore.h: Remove comment about deprecated m4align
22688         option.
22689         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
22690         * doc/invoke.texi: Add description of mno-lsim and
22691         mstack-increment options.
22693         * config/fr30/fr30.opt: Document the -mno-lsim option.
22694         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
22695         and -mno-lsim options.
22697 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
22699         * fold-const.c (fold_comparison): Only call fold_inf_compare
22700         if the mode supports infinities.
22702 2009-03-11  Jason Merrill  <jason@redhat.com>
22704         PR debug/39086
22705         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
22706         end already did.  Notice GIMPLE_CALL modifications of the result.
22707         Don't copy debug information from an ignored decl or a decl from
22708         another function.
22710 2009-03-10  Richard Guenther  <rguenther@suse.de>
22711             Nathan Froyd  <froydnj@codesourcery.com>
22713         PR middle-end/37850
22714         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
22715         (__divMODE3): Likewise.
22717 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
22719         PR tree-optimization/39394
22720         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
22721         DECL_SIZE_UNIT of variable length FIELD_DECLs.
22723 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
22725         * recog.c (verfiy_changes): Disallow renaming of hard regs in
22726         inline asms for register asm ("") declarations.
22728 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
22730         * fold-const.c (fold_unary): Fix comment.
22732 2009-03-07  Jan Hubicka  <jh@suse.cz>
22734         PR target/39361
22735         * tree-inline.c (setup_one_parameter): Do replacement of const
22736         argument by constant in SSA form.
22738 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
22740         PR middle-end/38028
22741         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
22742         determine alignment passed to assign_stack_local.
22743         (assign_parms_unsplit_complex): Likewise.
22744         * except.c (sjlj_build_landing_pads): Likewise.
22746 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
22748         PR middle-end/39360
22749         * tree-flow.h (add_referenced_var): Return bool instead of void.
22750         * tree-dfa.c (add_referenced_var): Return result of
22751         referenced_var_check_and_insert call.
22752         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
22753         of referenced_var_check_and_insert.
22755         PR debug/39372
22756         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
22757         (gen_variable_die): Emit DW_AT_location on abstract static variable's
22758         DIE, don't emit it if abstract origin already has it.
22759         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
22760         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
22762 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
22764         * genpreds.c (needs_variable): Fix parentheses at variable name
22765         detection.
22766         (write_tm_constrs_h): Indent generated code.
22768 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
22770         * doc/extend.texi (Function Attributes): Add documentation
22771         for isr attributes.
22773 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
22775         PR debug/39387
22776         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
22777         take locus from its DECL_SOURCE_LOCATION instead of input_location.
22779 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
22781         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
22782         the loop as bad.
22784 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
22786         PR debug/39379
22787         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
22788         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
22790 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
22792         * config/i386/i386.md (R8_REG, R9_REG): New constants.
22793         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
22794         constants instead of magic numbers.
22795         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
22796         (QI_REG_P): Ditto.
22797         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
22798         (x86_64_ms_abi_int_parameter_registers): Ditto.
22799         (x86_64_int_return_registers): Ditto.
22800         (ix86_maybe_switch_abi): Ditto.
22801         (ix86_expand_call): Ditto for clobbered_registers array.
22802         (ix86_hard_regno_mode_ok): Ditto.
22803         (x86_extended_QIreg_mentioned_p): Ditto.
22805 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
22807         PR tree-optimization/39349
22808         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
22810         * combine.c (gen_lowpart_for_combine): Use omode when generating
22811         clobber.
22813 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
22815         PR rtl-optimization/39235
22816         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
22818 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
22820         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
22822 2009-03-04  Richard Guenther  <rguenther@suse.de>
22824         PR tree-optimization/39362
22825         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
22826         that occur in abnormal PHIs should be varying.
22828 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
22830         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
22831         Extend comments.
22832         (simple_iv):  Take loop as an argument instead of statement.
22833         * tree-scalar-evolution.h (simple_iv): Declaration changed.
22834         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
22835         to simple_iv.
22836         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
22837         Ditto.
22838         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
22839         * matrix-reorg.c (analyze_transpose): Ditto.
22840         * tree-data-ref.c (dr_analyze_innermost): Ditto.
22841         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
22842         * tree-predcom.c (ref_at_iteration): Ditto.
22843         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
22845 2009-03-04  Richard Guenther  <rguenther@suse.de>
22847         PR tree-optimization/39358
22848         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
22849         escaped_id and callused_id.
22850         (solve_graph): Likewise.
22852 2009-03-04  Richard Guenther  <rguenther@suse.de>
22854         PR tree-optimization/39339
22855         * tree-sra.c (try_instantiate_multiple_fields): Make it
22856         no longer ICE on the above.
22858 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
22860         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
22861         that fits within Pmode.
22863 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
22865         PR middle-end/10109
22866         * tm.texi (LIBCALL_VALUE): Update description.
22868 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
22870         PR middle-end/34443
22871         * doc/extend.texi (section): Update description.
22873 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
22875         PR middle-end/39345
22876         * tree-inline.c (remapped_type): New.
22877         (can_be_nonlocal): Call remapped_type instead of remap_type.
22879 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
22881         PR fortran/39354
22882         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
22883         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
22885 2009-03-03  Richard Guenther  <rguenther@suse.de>
22887         PR middle-end/39272
22888         * tree.c (tree_nonartificial_location): New function.
22889         * tree.h (tree_nonartificial_location): Declare.
22890         * builtins.c (expand_builtin_memory_chk): Provide location
22891         of the call location for artificial function pieces.
22892         (maybe_emit_chk_warning): Likewise.
22893         (maybe_emit_sprintf_chk_warning): Likewise.
22894         (maybe_emit_free_warning): Likewise.
22895         * expr.c (expand_expr_real_1): Likewise.
22897 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
22899         PR tree-optimization/39343
22900         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
22901         COMPONENT_REF t has ARRAY_TYPE.
22903 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
22905         PR middle-end/39335
22906         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
22907         when the type precision of the induction variable should be
22908         larger than the type precision of nit.
22909         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
22910         * graphite.c (graphite_loop_normal_form): Same.
22911         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
22913 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
22915         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
22916         (*call_1_rex64_ms_sysv): Use named constants instead of magic
22917         numbers to describe clobbered registers.
22918         (*call_value_0_rex64_ms_sysv): Ditto.
22919         * config/i386/mmx.md (mmx_emms): Ditto.
22920         (mmx_femms): Ditto.
22922 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
22924         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
22925         of ABI_64.
22927 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
22929         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
22930         (spu_section_type_flags): New function.
22932 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
22934         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
22935         reg_class_contents of FLOAT_REGS into a temporary.
22937 2009-03-02  Richard Guenther  <rguenther@suse.de>
22938             Ira Rosen  <irar@il.ibm.com>
22940         PR tree-optimization/39318
22941         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
22942         information to the vectorized statement.
22944 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
22946         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
22947         variable.  Use defined names instead of magic constants for REX SSE
22948         registers.
22950 2009-03-01  Richard Guenther  <rguenther@suse.de>
22952         PR tree-optimization/39331
22953         * omp-low.c (lower_send_shared_vars): Do not receive new
22954         values for the reference of DECL_BY_REFERENCE parms or results.
22956 2009-03-01  Jan Hubicka  <jh@suse.cz>
22958         PR debug/39267
22959         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
22960         BLOCK_NONLOCALIZED_VAR): New macros.
22961         (tree_block): Add nonlocalized_vars.
22962         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
22963         gen_decl_die): Add origin argument.  Allow generation of die with
22964         origin at hand only.
22965         (gen_member_die, gen_type_die_with_usage, force_decl_die,
22966         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
22967         of gen_*.
22968         (gen_block_die): Fix checking for unused blocks.
22969         (process_scope_var): Break out from .... ; work with origins only.
22970         (decls_for_scope) ... here; process nonlocalized list.
22971         (dwarf2out_ignore_block): Look for nonlocalized vars.
22972         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
22973         vars.
22974         (dump_scope_block): Dump them.
22975         * tree-inline.c (remap_decls): Handle nonlocalized vars.
22976         (remap_block): Likewise.
22977         (can_be_nonlocal): New predicate.
22978         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
22980 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
22982         * configure: Regenerate.
22984 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
22986         * optc-gen.awk: No need to duplicate option flags twice.
22987         Reuse help texts for duplicate options which do not have any.
22989         * gcc.c (display_help): Document --version.
22991         * gcc.c (main): If print_help_list and verbose_flag, ensure
22992         driver output comes before subprocess output.
22994         * optc-gen.awk: Assign all remaining fields to help string,
22995         space-separated, for multi-line help in *.opt.
22997         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
22998         -Wno-pedantic-ms-format is for MinGW targets only.
23000         * doc/options.texi (Option file format): Fix bad indentation,
23001         restoring dropped sentence.
23003 2009-02-28  Jan Hubicka  <jh@suse.cz>
23005         * tree-inline.c (tree_function_versioning): Output debug info.
23007 2009-02-28  Jan Hubicka  <jh@suse.cz>
23009         PR debug/39267
23010         * tree-inline.c (setup_one_parameter): Do not copy propagate
23011         arguments when not optimizing.
23013 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
23015         PR target/39327
23016         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
23017         (avx_addsubv4df3): Likewise.
23018         (*avx_addsubv4sf3): Likewise.
23019         (sse3_addsubv4sf3): Likewise.
23020         (*avx_addsubv2df3): Likewise.
23021         (sse3_addsubv2df3): Likewise.
23022         (avx_unpckhps256): Correct item selectors.
23023         (avx_unpcklps256): Likewise.
23024         (avx_unpckhpd256): Likewise.
23025         (avx_unpcklpd256): Likewise.
23027 2009-02-28  Jan Hubicka  <jh@suse.cz>
23029         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
23030         static vars.
23031         (copy_arguments_for_versioning): If var is declared don't declare it.
23032         (tree_function_versioning): First setup substitutions and then copy
23033         args.
23035 2009-02-27  Jan Hubicka  <jh@suse.cz>
23037         PR debug/39267
23038         * cgraph.h (varpool_output_debug_info): Remove.
23039         * cgraphunit.c (varpool_output_debug_info): Remove.
23040         * dwarf2out.c (deferred_locations_struct): New struct
23041         (deferred_locations): New type.
23042         (deferred_locations_list): New static var.
23043         (deffer_location): New function.
23044         (gen_variable_die): Use it.
23045         (decls_for_scope): Output info on local static vars.
23046         (dwarf2out_finish): Process deferred locations.
23047         * varpool.c (varpool_output_debug_info): Remove.
23049 2009-02-27  Jan Hubicka  <jh@suse.cz>
23051         PR debug/39267
23052         * tree.h (TREE_PROTECTED): Fix comment.
23053         (BLOCK_HANDLER_BLOCK): Remove.
23054         (struct tree_block): Remove handler_block add body_block.
23055         (inlined_function_outer_scope_p): New.
23056         (is_body_block): Remove.
23057         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
23058         * dwarf2out.c (is_inlined_entry_point): Remove.
23059         (add_high_low_attributes): Use inlined_function_outer_scope_p.
23060         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
23061         code.
23062         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
23063         * gimplify.c (gimplify_expr): Gimplify body blocks.
23064         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
23065         block with multiple subblocks.
23066         (dump_scope_block): Prettier output; dump more flags and info.
23067         (dump_scope_blocks): New.
23068         (remove_unused_locals): Use dump_scope_blocks.
23069         * tree-flow.h (dump_scope_blocks): Declare.
23070         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
23071         * stmt.c (is_body_block): Remove.
23072         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
23073         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
23075 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
23077         PR middle-end/39308
23078         * graphite.c (graphite_loop_normal_form): Do not call
23079         number_of_iterations_exit from a gcc_assert.
23081 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
23083         * config/s390/s390.c (s390_swap_cmp): Look for conditional
23084         jumps if COND is NULL.
23085         (find_cond_jump): New function.
23086         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
23087         * config/s390/s390.md: Remove z10_cobra attribute value.
23089 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
23091         * config/alpha/alpha.h (alpha_expand_mov): Return false if
23092         force_const_mem returns NULL_RTX.
23094 2009-02-26  Jan Hubicka  <jh@suse.cz>
23096         PR debug/39267
23097         * cgraph.h (varpool_output_debug_info): Remove.
23098         * cgraphunit.c (varpool_output_debug_info): Remove.
23099         * dwarf2out.c (deferred_locations_struct): New struct
23100         (deferred_locations): New type.
23101         (deferred_locations_list): New static var.
23102         (deffer_location): New function.
23103         (gen_variable_die): Use it.
23104         (decls_for_scope): Output info on local static vars.
23105         (dwarf2out_finish): Process deferred locations.
23106         * varpool.c (varpool_output_debug_info): Remove.
23108 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
23110         PR rtl-optimization/39241
23111         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
23112         to subreg_offset_representable_p.
23114 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
23116         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
23117         execute function prototype.  Get f and nregs from max_reg_num
23118         and get_insns.  Remove the first backward pass as it's dead,
23119         guard the forward pass by flag_expensive_optimizations.
23120         (rest_of_handle_regmove): Delete.
23121         (pass_regmove): Replace it with regmove_optimize.
23123 2009-02-25  Martin Jambor  <mjambor@suse.cz>
23125         PR tree-optimization/39259
23126         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
23127         calls_alloca function flags.
23128         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
23129         calls are detected.
23131 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
23133         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
23134         flags_set_1_rtx, flags_set_1_set): Delete.
23135         (regmove_optimize): Do not call mark_flags_life_zones.
23137 2009-02-24  Julian Brown  <julian@codesourcery.com>
23139         PR target/35965
23140         * config/arm/arm.c (require_pic_register): Only set
23141         cfun->machine->pic_reg once per function.
23143 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
23145         * doc/invoke.texi (Link Options): Document an easier way to pass
23146         options that take arguments to the GNU linker using -Xlinker and -Wl.
23148 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
23150         PR target/33785
23151         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
23153 2009-02-24  Richard Guenther  <rguenther@suse.de>
23155         PR debug/39285
23156         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
23158 2009-02-24  Richard Guenther  <rguenther@suse.de>
23159             Zdenek Dvorak  <ook@ucw.cz>
23161         PR tree-optimization/39233
23162         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
23163         from converting them to a generic type.
23165 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
23167         PR tree-optimization/39260
23168         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
23169         contains a condition with a real type.
23170         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
23172 2009-02-23  Jason Merrill  <jason@redhat.com>
23174         PR c++/38880
23175         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
23176         narrowing_initializer_constant_valid_p.
23177         (narrowing_initializer_constant_valid_p): Don't return
23178         null_pointer_node for adding a pointer to itself.
23180 2009-02-23  Jan Hubicka  <jh@suse.cz>
23182         PR c/12245
23183         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
23184         resizing.
23186 2009-02-23  Jan Hubicka  <jh@suse.cz>
23188         PR tree-optimization/37709
23189         * tree.c (block_ultimate_origin): Move here from dwarf2out.
23190         * tree.h (block_ultimate_origin): Declare.
23191         * dwarf2out.c (block_ultimate_origin): Move to tree.c
23192         * tree-ssa-live.c (remove_unused_scope_block_p):
23193         Eliminate blocks containig no instructions nor live variables nor
23194         nested blocks.
23195         (dump_scope_block): New function.
23196         (remove_unused_locals): Enable removal of dead blocks by default;
23197         enable dumping at TDF_DETAILS.
23199 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
23201         * config/i386/i386.c (classify_argument): Don't allow COImode
23202         and OImode.
23203         (function_arg_advance_32): Don't allow OImode.
23204         (function_arg_32): Likewise.
23205         (function_value_32): Likewise.
23206         (return_in_memory_32): Likewise.
23207         (function_arg_64): Remove OImode comment.
23209 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
23211         PR target/39261
23212         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
23213         ix86_expand_vector_set for V4DImode in 64bit mode only.
23214         (ix86_expand_vector_init_one_var): Likewise.
23216 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
23218         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
23220 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
23222         PR bootstrap/39257
23223         * loop-iv.c: Revert last change.
23224         * emit-rtl.c: Likewise.
23226 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
23228         PR target/39256
23229         * config/i386/i386.c (type_natural_mode): Remove an extra
23230         space in the warning message.
23231         (function_value_32): Handle 32-byte vector modes.
23232         (return_in_memory_32): Likewise.
23234 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
23236         * loop-iv.c (truncate_value): New function.
23237         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
23238         of lowpart_subreg.
23239         (lowpart_subreg): Move to...
23240         * emit-rtl.c: ...here.
23242 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
23244         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
23245         accidental and undocumented change at revision 140860.
23247 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
23249         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
23250         take gimple_seq * arguments.
23251         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
23252         types_compatible_p langhook.
23254 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
23255             Joseph Myers  <joseph@codesourcery.com>
23257         * config/arm/arm.c (arm_builtin_va_list): New function.
23258         (arm_expand_builtin_va_start): Likewise.
23259         (arm_gimplify_va_arg_expr): Likewise.
23260         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
23261         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
23262         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
23263         (va_list_type): New variable.
23264         (arm_mangle_type): Mangle va_list_type appropriately.
23266 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
23268         PR middle-end/39157
23269         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
23270         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
23271         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
23272         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
23273         parameter to 1000 for -O1 by default.
23274         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
23275         parameter.
23276         * loop-invariant.c: Include params.h.
23277         (move_loop_invariants): Don't call move_single_loop_invariants on
23278         very large loops.
23280 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
23282         * calls.c (emit_library_call_value_1): Use slot_offset instead of
23283         offset when calculating bounds for indexing stack_usage_map.  Fixes
23284         a buffer overflow with certain target setups.
23286 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
23288         PR target/39240
23289         * calls.c (expand_call): Clear try_tail_call if caller and callee
23290         disagree in promotion of function return value.
23292 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
23294         PR target/39175
23295         * c-common.c (c_determine_visibility): If visibility changed and
23296         DECL_RTL has been already set, call make_decl_rtl to update symbol
23297         flags.
23299 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
23301         PR c++/39188
23302         * varasm.c (assemble_variable): Don't check DECL_NAME when
23303         globalizing a variable.
23305 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
23307         PR c/38483
23308         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
23309         expression before any __builtin_trap call.
23310         * c-typeck.c (build_function_call): Convert and check function
23311         arguments before generating a call to a trap.  Evaluate the
23312         function arguments before the trap.
23314 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
23316         PR target/39228
23317         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
23318         (UNSPEC_FXAM_MEM): New unspec.
23319         (fxam<mode>2_i387_with_temp): New insn and split pattern.
23320         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
23321         memory using fxam<mode>2_i387_with_temp to remove excess precision.
23323 2009-02-19  Richard Guenther  <rguenther@suse.de>
23325         PR tree-optimization/39207
23326         PR tree-optimization/39074
23327         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
23328         storedanything_tree): New.
23329         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
23330         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
23331         (build_succ_graph): Add edges from STOREDANYTHING to all
23332         non-direct nodes.
23333         (init_base_vars): Initialize STOREDANYTHING.
23334         (compute_points_to_sets): Free substitution info after
23335         building the succ graph.
23336         (ipa_pta_execute): Likewise.
23338         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
23339         field.
23340         (do_ds_constraint): Do not add to special var or non-pointer
23341         field solutions.
23342         (type_could_have_pointers): Split out from ...
23343         (could_have_pointers): ... here.  For arrays use the element type.
23344         (create_variable_info_for): Initialize may_have_pointers.
23345         (new_var_info): Likewise.
23346         (handle_lhs_call): Make the HEAP variable unknown-sized.
23347         (intra_create_variable_infos): Use a type with pointers for
23348         PARM_NOALIAS, make it unknown-sized.
23350 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
23352         PR target/39224
23353         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
23355 2009-02-18  Jason Merrill  <jason@redhat.com>
23357         PR target/39179
23358         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
23359         value if DECL_EXTERNAL.
23360         * tree-sra.c (sra_walk_gimple_assign): Likewise.
23361         * target.h (gcc_target::binds_local_p): Clarify "module".
23362         * tree.h (TREE_PUBLIC): Clarify "module".
23364 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
23366         PR target/38891
23367         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
23368         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
23370 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
23372         PR target/39082
23373         * c.opt (Wabi): Support C and ObjC.
23374         (Wpsabi): New.
23376         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
23378         * config/i386/i386.c (classify_argument): Warn once about the ABI
23379         change when passing union with long double.
23381         * doc/invoke.texi: Update -Wabi for warning psABI changes.
23383 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
23385         PR c/35447
23386         * c-parser.c (c_parser_compound_statement): Always enter and leave
23387         a scope.
23389 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
23391         PR target/34587
23392         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
23394 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
23396         PR tree-optimization/36922
23397         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
23398         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
23399         Likewise.
23401 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
23403         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
23404         to 0 for EABI64.
23406 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
23408         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
23410 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
23412         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
23413         tree sharing.
23415 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
23416             Richard Sandiford  <rdsandiford@googlemail.com>
23418         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
23419         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
23420         (loongson_biadd): ...this.
23422 2009-02-17  Richard Guenther  <rguenther@suse.de>
23424         PR tree-optimization/39202
23425         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
23426         a var make sure to follow existing collapses.
23428 2009-02-17  Richard Guenther  <rguenther@suse.de>
23430         PR middle-end/39214
23431         * langhooks.c (lhd_print_error_function): Check for NULL block.
23433 2009-02-17  Richard Guenther  <rguenther@suse.de>
23435         PR tree-optimization/39204
23436         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
23437         of the PHI arg.
23439 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
23441         * config/soft-fp/double.h: Update from glibc CVS.
23443 2009-02-17  Richard Guenther  <rguenther@suse.de>
23445         PR tree-optimization/39207
23446         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
23447         strict-aliasing warnings for pointers pointing to NULL.
23449 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
23451         PR c/35446
23452         * c-parser.c (c_parser_braced_init): Call pop_init_level when
23453         skipping until next close brace.
23455 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
23457         PR target/37049
23458         * config/i386/i386.c (ix86_expand_push): Set memory alignment
23459         to function argument boundary.
23461 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
23463         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
23464         in the lea_add. Reload eventually constraints it properly.
23465         * config/picochip/constraints.md: Remove the target constraint
23466         "b", since it is not needed anymore.
23468 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
23470         * gthr-dce.h: Uglify function parameter and local variable names.
23471         * gthr-gnat.h: Likewise.
23472         * gthr-mipssde.h: Likewise.
23473         * gthr-nks.h: Likewise.
23474         * gthr-posix95.h: Likewise.
23475         * gthr-posix.h: Likewise.
23476         * gthr-rtems.h: Likewise.
23477         * gthr-single.h: Likewise.
23478         * gthr-solaris.h: Likewise.
23479         * gthr-tpf.h: Likewise.
23480         * gthr-vxworks.h: Likewise.
23481         * gthr-win32.h: Likewise.
23483 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
23485         PR target/39196
23486         * config/i386/i386.md: Restrict the new peephole2 to move
23487         between MMX/SSE registers.
23489 2009-02-15  Richard Guenther  <rguenther@suse.de>
23491         Revert
23492         2009-02-13  Richard Guenther  <rguenther@suse.de>
23494         * configure.ac: Enable LFS.
23495         * configure: Re-generate.
23496         * config.in: Likewise.
23498 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
23500         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
23501         spu_srqwbyte, spu_srqwbytebc): Define.
23502         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
23503         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
23504         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
23505         "shrqby_<mode>"): New insn-and-split patterns.
23506         * config/spu/spu.c (expand_builtin_args): Determine and return
23507         number of operands using spu_builtin_description data.
23508         (spu_expand_builtin_1): Use it.
23510 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
23512         PR target/38056
23513         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
23514         TARGET_CONST_GP.
23516 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
23518         PR target/39149
23519         * config/i386/i386.c (override_options): Correct warning
23520         messages for -malign-loops, -malign-jumps and -malign-functions.
23522 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
23524         PR target/39152
23525         * config/i386/i386.md: Restrict the new peephole2 to move
23526         between the general purpose registers.
23528 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
23530         PR target/39162
23531         * config/i386/i386.c (type_natural_mode): Add a new argument.
23532         Return the original mode and warn ABI change if vector size is 32byte.
23533         (function_arg_advance): Updated.
23534         (function_arg): Likewise.
23535         (ix86_function_value): Likewise.
23536         (ix86_return_in_memory): Likewise.
23537         (ix86_sol10_return_in_memory): Likewise.
23538         (ix86_gimplify_va_arg): Likewise.
23539         (function_arg_32): Don't warn ABX ABI change here.
23540         (function_arg_64): Likewise.
23542 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
23544         * loop-iv.c (implies_p): In the final case, test that operands 0
23545         of the two comparisons match.
23547         * config/bfin/bfin.c (find_prev_insn_start): New function.
23548         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
23549         (find_next_insn_start): Move.
23551 2009-02-13  Richard Guenther  <rguenther@suse.de>
23553         * configure.ac: Enable LFS.
23554         * configure: Re-generate.
23555         * config.in: Likewise.
23557 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
23559         PR c/35444
23560         * c-parser.c (c_parser_parms_list_declarator): Discard pending
23561         sizes on syntax error after some arguments have been parsed.
23563 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
23565         * doc/invoke.texi (-fira): Remove.
23567 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
23569         * caller-save.c: Replace regclass.c with reginfo.c in comments.
23570         * recog.c: Likewise.
23571         * rtl.h: Likewise.
23573 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
23575         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
23576         (umul_ppmm): Likewise.
23577         (count_leading_zeros): Likewise.
23578         (count_trailing_zeros): Likewise.
23579         (UMUL_TIME): Likewise.
23581 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
23583         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
23584         soft-fp/t-softfp to tmake_file.
23586         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
23587         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
23588         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
23589         IA64_BUILTIN_INFQ]: New.
23590         (ia64_init_builtins): Initialize __builtin_infq,
23591         __builtin_fabsq and __builtin_copysignq if not HPUX.
23592         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
23593         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
23595         * config/ia64/lib1funcs.asm (__divtf3): Define only if
23596         SHARED is defined.
23597         (__fixtfti): Likewise.
23598         (__fixunstfti): Likewise.
23599         (__floattitf): Likewise.
23601         * config/ia64/libgcc-glibc.ver: New.
23602         * config/ia64/t-fprules-softfp: Likewise.
23603         * config/ia64/sfp-machine.h: Likewise.
23605         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
23606         (LIBGCC2_TF_CEXT): Likewise.
23607         (TF_SIZE): Likewise.
23608         (TARGET_INIT_LIBFUNCS): Likewise.
23610         * config/ia64/t-glibc (SHLINB_MAPFILES):
23611         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
23613 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
23615         * config/i386/i386.c (construct_container): Rewrite processing
23616         BLKmode with X86_64_SSE_CLASS.
23618 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
23620         PR target/39152
23621         * config/i386/i386.md: Replace simplify_replace_rtx with
23622         replace_rtx in the new peephole2.
23624 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
23626         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
23627         loop unrolling do not happen at -O2.
23629 2009-02-12  Michael Matz  <matz@suse.de>
23631         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
23633 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
23635         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
23636         for -g3.
23638 2009-02-12  Ben Elliston  <bje@au.ibm.com>
23640         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
23641         patterns when updating the back chain.  Missed in the 2009-02-10
23642         change.
23644 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
23646         * doc/extend.texi (Decimal Floating Types): Update identifier of
23647         draft TR and list of missing support.
23649 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
23651         PR middle-end/39154
23652         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
23653         bit to variable length decl's flags, add it also to its
23654         pointer replacement variable.
23656 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
23657             Jakub Jelinek  <jakub@redhat.com>
23659         PR target/39118
23660         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
23661         (memory_blockage): New expander.
23662         (*memory_blockage): New insn pattern.
23663         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
23664         instead of general blockage at the end of function prologue when
23665         frame pointer is used to access red zone area.  Do not emit blockage
23666         when profiling, it is emitted in generic code.
23667         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
23668         function epilogue when frame pointer is used to access red zone area.
23670 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
23672         PR target/38824
23673         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
23674         by arithmetic with memory operands.
23675         * config/i386/predicates.md (commutative_operator): New.
23677 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
23679         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
23680         bulleted lists.
23682 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
23684         * alias.h (record_alias_subset): Declare.
23685         * alias.c (record_alias_subset): Make global.
23687 2009-02-10  Nick Clifton  <nickc@redhat.com>
23689         * tree-parloops.c: Change license to GPLv3.
23690         * ipa-struct-reorg.c: Change license to GPLv3.
23691         * ipa-struct-reorg.h: Change license to GPLv3.
23693 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
23695         PR c/39084
23696         * c-decl.c (start_struct): Return NULL on error.
23698 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
23700         PR middle-end/39124
23701         * cfgloopmanip.c (remove_path): Call remove_bbs after
23702         cancel_loop_tree, not before it.
23704         PR target/39139
23705         * function.h (struct function): Add has_local_explicit_reg_vars bit.
23706         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
23707         VAR_DECLs were seen.
23708         * tree-ssa-live.c (remove_unused_locals): Recompute
23709         cfun->has_local_explicit_reg_vars.
23710         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
23711         copies or clearings if cfun->has_local_explicit_reg_vars.
23713 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
23715         PR target/39118
23716         * config/i386/i386.c (expand_prologue): Emit blockage at the end
23717         of function prologue when frame pointer is used to access
23718         red zone area.
23720 2009-02-10  Richard Guenther  <rguenther@suse.de>
23722         PR middle-end/39127
23723         * gimplify.c (gimple_regimplify_operands): Always look if
23724         we need to create a temporary.
23726 2009-02-10  Richard Guenther  <rguenther@suse.de>
23728         PR tree-optimization/39132
23729         * tree-loop-distribution.c (todo): New global var.
23730         (generate_memset_zero): Trigger TODO_rebuild_alias.
23731         (tree_loop_distribution): Return todo.
23733 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
23735         PR target/39119
23736         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
23737         (x86_64_reg_class_name): Removed.
23738         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
23739         first one isn't X86_64_SSE_CLASS or any other ones aren't
23740         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
23741         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
23742         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
23743         and 3 X86_64_SSEUP_CLASS.
23744         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
23745         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
23747 2009-02-10  Ben Elliston  <bje@au.ibm.com>
23749         * config/rs6000/rs6000.md (allocate_stack): Always use an update
23750         form instruction to update the stack back chain word, even if the
23751         user has disabled the generation of update instructions.
23752         (movdi_<mode>_update_stack): New.
23753         (movsi_update_stack): Likewise.
23754         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
23755         always use an update form instruction to update the stack back
23756         chain word.
23758 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
23760         PR middle-end/38953
23761         * graphite.c (if_region_set_false_region): After moving a region in
23762         the false branch of a condition, remove the empty dummy basic block.
23763         (gloog): Remove wrong fix for PR38953.
23765 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
23767         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
23768         generation due to implicit sign extension.
23770 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
23772         PR middle-end/38981
23773         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
23774         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
23776 2009-02-09  Richard Guenther  <rguenther@suse.de>
23778         PR middle-end/35202
23779         * convert.c (convert_to_real): Disable (float)fn((double)x)
23780         to fnf(x) conversion if errno differences may occur and
23781         -fmath-errno is set.
23783 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
23785         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
23786         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
23787         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
23789 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
23791         PR c/35434
23792         * c-common.c (handle_alias_attribute): Disallow attribute for
23793         anything not a FUNCTION_DECL or VAR_DECL.
23795 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
23797         PR c/39035
23798         * real.c (do_compare): Special-case compare of zero against
23799         decimal float value.
23801 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
23803         PR c/36432
23804         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
23805         as indicating flexible array members unless the field itself is
23806         being declarared as the incomplete array.
23808 2009-02-06  Jan Hubicka  <jh@suse.cz>
23810         PR tree-optimization/38844
23811         * ipa-inline.c (try_inline): Stop inlining recursion when edge
23812         is already inlined.
23814 2009-02-06  Richard Guenther  <rguenther@suse.de>
23816         PR middle-end/38977
23817         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
23818         fork because we may expand it as __gcov_fork.
23820 2009-02-06  Nick Clifton  <nickc@redhat.com>
23822         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
23824 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
23826         PR tree-optimization/35659
23827         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
23828         vn_phi_eq): Shortcut if hashcode does not match.
23829         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
23830         NULL operands.
23831         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
23832         and avoid iterative_hash_expr.
23833         (FOR_EACH_VALUE_ID_IN_SET): New.
23834         (value_id_compare): Remove.
23835         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
23836         sort expressions by value id.
23838 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
23840         PR target/38991
23841         * config/sh/predicates.md (general_movsrc_operand): Don't check
23842         the subreg of system registers here.
23844 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
23846         PR c++/39106
23847         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
23848         on the copied decl.
23850 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
23852         PR rtl-optimization/39110
23853         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
23854         addresses, not aligned ones.
23856 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
23857             Richard Guenther  <rguenther@suse.de>
23859         PR tree-optimization/39100
23860         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
23861         comment says and add edges.
23863 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
23865         PR c/35435
23866         * c-common.c (handle_tls_model_attribute): Ignore attribute for
23867         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
23869 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>
23871         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
23872         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
23873         register_bb_in_sese, new_sese, free_sese): Moved.
23874         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
23875         outermost_loop_in_scop, build_scop_iteration_domain,
23876         expand_scalar_variables_ssa_name, get_vdef_before_scop,
23877         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
23878         Use loop_in_sese_p instead of loop_in_scop_p.
23879         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
23880         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
23881         (scopdet_basic_block_info): Fix bug in scop detection.
23882         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
23883         eq_loop_to_cloog_loop): Remove.
23884         (nb_loops_around_loop_in_scop, nb_loop
23885         ref_nb_loops): Moved here...
23886         * graphite.h (ref_nb_loops): ... from here.
23887         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
23888         (loop_domain_dim, loop_iteration_vector_dim): Remove.
23889         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
23890         * testsuite/gcc.dg/graphite/scop-19.c: New
23892 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
23893             Hans-Peter Nilsson  <hp@axis.com>
23895         PR rtl-optimization/37889
23896         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
23897         Move offset handling from PLUS to before the switch.  Use new
23898         arguments when considering SYMBOL_REFs too.
23899         (rtx_addr_can_trap_p): Pass dummy offset and size.
23900         (enum may_trap_p_flags): Remove.
23901         (may_trap_p_1): Pass size from MEM_SIZE.
23903         PR rtl-optimization/38921
23904         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
23905         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
23906         * rtlanal.c (may_trap_after_code_motion_p): Delete.
23907         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
23909 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
23911         AVX Programming Reference (January, 2009)
23912         * config/i386/sse.md (*vpclmulqdq): New.
23914 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
23916         PR tree-optimization/38977
23917         PR gcov-profile/38292
23918         * calls.c (special_function_p): Disregard __builtin_ prefix.
23920 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
23922         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
23923         non-indexable addresses even before reload.
23925 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
23927         PR c/29129
23928         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
23929         as having variable size.  Do not give an error for unnamed
23930         parameters with [*] declarators.  Give a warning for type names
23931         with [*] declarators and mark them as variable size.
23932         * c-parser.c (c_parser_sizeof_expression): Do not give an error
23933         for sizeof applied to [*] type names.
23935 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
23937         PR C++/36607
23938         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
23940 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
23942         * gcc.c (process_command): Update copyright notice dates.
23943         * gcov.c (print_version): Likewise.
23944         * gcov-dump.c (print_version): Likewise.
23945         * mips-tfile.c (main): Likewise.
23946         * mips-tdump.c (main): Likewise.
23948 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
23950         PR c/35433
23951         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
23952         for composite type involving a zero-length array type.
23954 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
23956         PR target/35318
23957         * function.c (match_asm_constraints_1): Skip over
23958         initial optional % in the constraint.
23960         PR inline-asm/39059
23961         * c-parser.c (c_parser_postfix_expression): If fixed point is not
23962         supported, don't accept FIXED_CSTs.
23963         * c-decl.c (finish_declspecs): Error if fixed point is not supported
23964         and _Sat is used without _Fract/_Accum.  Set specs->type to
23965         integer_type_node for cts_fract/cts_accum if fixed point is not
23966         supported.
23968 2009-02-02  Catherine Moore  <clm@codesourcery.com>
23970         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
23972 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
23974         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
23975         (ABI_HAS_64BIT_SYMBOLS): Use it.
23976         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
23978 2009-02-02  Paul Brook  <paul@codesourcery.com>
23980         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
23982 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
23984         PR inline-asm/39058
23985         * recog.h (asm_operand_ok): Add constraints argument.
23986         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
23987         recurse on matching constraint.
23988         (check_asm_operands): Pass constraints as 3rd argument to
23989         asm_operand_ok.  Don't look up matching constraint here.
23990         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
23991         to asm_operand_ok.
23993 2009-02-02  Ben Elliston  <bje@au.ibm.com>
23995         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
23996         TARGET_NARROW_VOLATILE_BITFIELD macro names.
23998 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
24000         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
24001         information.  Remove some obsolete information.  Reorganize.
24003         * config/pa/fptr.c: Revert license to GPL 2.
24004         * config/pa/milli64.S: Likewise.
24006 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
24008         PR target/38904
24009         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
24010         LIBRARY name in, instead of hard-coding it.
24011         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
24012         extra target make frag to tmake_files according to EH model.
24013         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
24014         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
24015         frags that define makefile variable EH_MODEL appropriately.
24016         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
24017         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
24018         to "-sjlj" according to type of EH configured.
24019         (LIBGCC_SONAME):  Concatenate it to shared library base name.
24020         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
24021         to "_sjlj" according to type of EH configured.
24022         (LIBGCC_SONAME):  Concatenate it to shared library base name.
24023         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
24024         (SHLIB_LINK):  Add missing semicolon to if-else construct.
24025         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
24026         string value of "pe_dll" command-line option.
24027         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
24028         (SHLIB_SONAME):  Use it when overriding t-cygming default.
24029         (SHLIB_IMPLIB):  Override t-cygming default.
24030         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
24031         string value of "pe_dll" command-line option.
24033 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
24035         PR target/38952
24036         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
24037         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
24039 2009-01-31  Richard Guenther  <rguenther@suse.de>
24041         PR tree-optimization/38937
24042         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
24043         computing the transitive closure.
24045 2009-01-30  Richard Guenther  <rguenther@suse.de>
24047         PR tree-optimization/39041
24048         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
24049         Propagate variable indices only if the types match for this stmt.
24051 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
24053         PR target/39013
24054         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
24055         inline but never defined.
24057 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
24059         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
24060         (*insv_h_di_reg_extimm): New insn.
24061         (*insv_l<mode>_reg_extimm): New insn.
24063 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
24065         * config/picochip/picochip.c (flag_conserve_stack): set
24066         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
24067         fconserve-stack. Reduce call-overhead used by inliner.
24069 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
24071         PR/38157
24072         * common.opt (flag_conserve_stack): Initialised to zero.
24074 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
24076         PR/39002
24077         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
24078         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
24079         method.
24081 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
24083         * ira-color.c (allocno_reload_assign): Update comments.
24084         * regmove.c (regmove_optimize): Likewise.
24086         * ra.h: Removed.
24088 2009-01-29  Robert Millan  <rmh@aybabtu.com>
24090         * config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
24091         * config/i386/kopensolaris-gnu.h: New file.  Undefine
24092         `MD_UNWIND_SUPPORT'.
24093         * config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
24095 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
24097         PR tree-optimization/39007
24098         * tree-loop-distribution.c (generate_builtin): Use
24099         recompute_dominator to compute the immediate dominator of the
24100         basic block just after the loop.
24102 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
24104         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
24105         (ASM_OUTPUT_DWARF_PCREL): Define.
24107 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
24109         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
24110         * doc/passes.texi: Remove entries about regclass, local-alloc, and
24111         global.  Modify entries about regmove and IRA.
24113         * ra-conflict.c: Remove the file.
24115         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
24117         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
24118         (pass_regclass_init): Rename to pass_reginfo_init.
24120         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
24122         * toplev.h (flag_ira): Remove.
24124         * caller-save.c (setup_save_areas): Remove flag_ira.
24126         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
24128         * global.c: Remove the file.
24130         * opts.c (decode_options): Remove flag_ira.
24132         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
24134         * regmove.c: Modify file description.
24135         (find_use_as_address, try_auto_increment): Define them only if
24136         AUTO_INC_DEC is defined.
24137         (replacement_quality, replace_in_call_usage, fixup_match_1,
24138         stable_and_no_regs_but_for_p): Remove.
24139         (reg_set_in_bb): Make it static.
24140         (regmove_optimize): Remove flag_ira and code which worked for
24141         !flag_ira.
24143         * local-alloc.c: Remove the file.
24145         * common.opt (fira): Remove.
24147         * ira.c: Include except.h.
24148         (eliminable_regset): Move from global.c.
24149         (mark_elimination): Ditto.  Remove flag_ira.
24150         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
24151         equiv_mem_modified, validate_equiv_mem_from_store,
24152         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
24153         contains_replace_regs, memref_referenced_p, memref_used_between_p,
24154         no_equiv, recorded_label_ref): Move from local-alloc.c.
24155         (update_equiv_regs): Ditto.  Make it static.
24156         (print_insn_chain, print_insn_chains): Move it from global.c.
24157         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
24158         (build_insn_chain): Ditto.  Make it static.
24159         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
24160         Rename to init_live_subregs.
24161         (gate_ira): Remove flag_ira.
24163         * regclass.c: Rename reginfo.c.  Change file description.
24164         (FORBIDDEN_INC_DEC_CLASSES): Remove.
24165         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
24166         (init_reg_sets_1): Remove code for evaluation of
24167         reg_class_superclasses and losing_caller_save_reg_set.
24168         (init_regs): Remove init_reg_autoinc.
24169         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
24170         ok_for_base_p_nonstrict): Remove.
24171         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
24172         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
24173         corresponding entries.
24174         (dump_regclass, record_operand_costs, scan_one_insn,
24175         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
24176         record_address_regs, auto_inc_dec_reg_p): Remove.
24177         (gt-regclass.h): Rename to gt-reginfo.h.
24179         * rtl.h (dump_global_regs, retry_global_alloc,
24180         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
24182         * Makefile.in (RA_H): Remove.
24183         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
24184         Rename regclass.o to reginfo.o.
24185         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
24186         gt-reginfo.h.
24187         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
24188         (GTFILES): Rename regclass.c to reginfo.c.
24190         * passes.c (init_optimization_passes): Remove pass_local_alloc and
24191         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
24193         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
24194         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
24195         Remove flag_ira.
24196         (finish_spills): Ditto.  Remove code for !flag_ira.
24198 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
24200         PR middle-end/35854
24201         * doc/invoke.texi (rtl debug options): Complete rewrite.
24202         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
24203         to auto_inc_dec".
24204         * mode-switching.c (pass_mode_switching): Rename pass from
24205         "mode-sw" to "mode_sw".
24206         * except.c (pass_convert_to_eh_ranges): Rename pass from
24207         "eh-ranges" to "eh_ranges".
24208         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
24209         to "subreg1".
24212 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
24213             Alexander Monakov  <amonakov@ispras.ru>
24215         PR middle-end/38857
24216         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
24217         register.
24218         (move_exprs_to_boundary): Change return type and pass through
24219         should_move from move_op.  Relax assert.  Update usage ...
24220         (schedule_expr_on_boundary): ... here.  Use should_move instead of
24221         cant_move.
24222         (move_op_orig_expr_found): Indicate that insn was disconnected from
24223         stream.
24224         (code_motion_process_successors): Do not call after_merge_succs
24225         callback if original expression was not found when traversing any of
24226         the branches.
24227         (code_motion_path_driver): Change return type.  Update prototype.
24228         (move_op): Update comment.  Add a new parameter (should_move).  Update
24229         prototype.  Set *should_move based on indication provided by
24230         move_op_orig_expr_found.
24232 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
24234         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
24235         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
24236         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
24237         * config/rs6000/rs6000.c (rs6000_override_options): Default
24238         avoid-indexed-addresses on for Power6, off for everything else.
24239         (avoiding_indexed_address_p): New function.
24240         (rs6000_legitimize_address): Use it.
24241         (rs6000_legitimate_address): Likewise.
24242         * config/rs6000/rs6000.md (movXX_updateX): Likewise
24244 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
24246         PR tree-optimization/38997
24247         * tree-loop-distribution.c (generate_memset_zero): Use
24248         POINTER_PLUS_EXPR for a pointer addition.
24250 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
24252         * config/s390/s390.md (bswap<mode>2): New pattern added.
24254 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
24256         * config/s390/s390.md (*tls_load_31): Added type attribute.
24258 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
24260         * config/s390/s390.md: Fix a few comments.
24262 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
24264         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
24265         (*tm<mode>_full): Fixed z10prop attribute.
24266         (*tst<mode>_extimm): Fixed z10prop attribute.
24267         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
24268         (*tstqiCCT_cconly): Fixed z10prop attribute.
24269         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
24270         (*movsi_larl): Fixed z10prop attribute.
24271         (*movsi_zarch): Fixed z10prop attribute.
24272         (*movsi_eas): Fixed z10prop attribute.
24273         (*movhi): Fixed z10prop attribute.
24274         (*movqi): Fixed z10prop attribute.
24275         (*movstrictqi): Fixed z10prop attribute.
24276         (*mov<mode>): Fixed z10prop attribute.
24277         (*movcc): Fixed z10prop attribute.
24278         (*sethighpartdi_64): Fixed z10prop attribute.
24279         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
24280         (*negdi2_sign_cc): Fixed z10prop attribute.
24281         (*negdi2_sign): Fixed z10prop attribute.
24282         (*absdi2_sign_cc): Fixed z10prop attribute.
24283         (*absdi2_sign): Fixed z10prop attribute.
24284         (*negabsdi2_sign_cc): Fixed z10prop attribute.
24285         (*negabsdi2_sign): Fixed z10prop attribute.
24286         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
24287         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
24288         (doloop_si64): Fixed z10prop attribute.
24289         (doloop_si31): Fixed z10prop attribute.
24290         (doloop_long): Fixed z10prop attribute.
24291         (indirect_jump): Fixed z10prop attribute.
24292         (nop): Fixed z10prop attribute.
24293         (main_base_64): Fixed z10prop attribute.
24294         (reload_base_64): Fixed z10prop attribute.
24296 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
24298         PR rtl-optimization/38740
24299         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
24300         if !optimize.
24301         * config/mips/mips.c (mips_reorg): Likewise.
24303 2009-01-28  Richard Guenther  <rguenther@suse.de>
24305         PR tree-optimization/38926
24306         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
24307         with the correct value id to a value.
24308         (do_regular_insertion): Use the value number of edoubleprime
24309         for the value number of the expr.
24311         Revert
24312         2008-08-21  Richard Guenther  <rguenther@suse.de>
24314         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
24315         a PHI ask VN if it is already available.
24316         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
24317         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
24319 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
24321         PR middle-end/38934
24322         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
24323         set to varying whenever max has TREE_OVERFLOW set, similarly
24324         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
24326 2009-01-28  Richard Guenther  <rguenther@suse.de>
24328         PR middle-end/38908
24329         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
24330         uninitialized aggregate uses in call arguments.
24332 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
24334         PR tree-optimization/38984
24335         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
24336         the nothing_id variable if -fno-delete-null-pointer-checks.
24338 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
24340         PR target/38988
24341         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
24342         (set_got_offset_rex64): Ditto.
24344 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
24346         PR target/38941
24347         * doc/extend.texi: Improve local variable with asm reg.
24349 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
24351         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
24352         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
24353         was not supplied then set warn_packed_bitfield_compat to the
24354         default value of 1.
24355         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
24356         against 1.
24358 2009-01-27  Richard Guenther  <rguenther@suse.de>
24360         PR tree-optimization/38503
24361         * cfgexpand.c (expand_gimple_basic_block): Ignore
24362         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
24363         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
24364         variables that cannot have TBAA applied.
24365         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
24366         statements.
24368 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
24370         PR middle-end/38969
24371         * calls.c (initialize_argument_information): Do not wrap complex
24372         arguments in SAVE_EXPR.
24374 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
24376         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
24377         (INSTALL_LIBGCC): Revert typo commit.
24379 2009-01-26  Richard Guenther  <rguenther@suse.de>
24381         PR tree-optimization/38745
24382         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
24383         from special handling.
24385 2009-01-26  Richard Guenther  <rguenther@suse.de>
24387         PR tree-optimization/38745
24388         * tree-ssa.c (execute_update_addresses_taken): Do not include
24389         variables that cannot possibly be a register in not_reg_needs.
24390         Do not clear TREE_ADDRESSABLE on vars that may not become
24391         registers.
24392         * tree-ssa.c (update_alias_info_1): Include those in the set
24393         of addressable vars.
24395 2009-01-26  Richard Guenther  <rguenther@suse.de>
24397         PR middle-end/38851
24398         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
24399         * tree-ssa-dse.c: Include langhooks.h
24400         (execute_simple_dse): Remove stores with zero size.
24402 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
24404         PR c/38957
24405         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
24406         as PLUS_EXPR.
24408 2009-01-24  Julian Brown  <julian@codesourcery.com>
24410         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
24411         config/arm/linux-atomic.c.
24412         * config/arm/linux-atomic.c: New.
24414 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
24416         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
24417         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
24418         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
24420 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
24422         PR c/38938
24423         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
24424         properly.
24426 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
24428         PR tree-optimization/38953
24429         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
24430         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
24431         (gloog): Split the exit of the scop when the scop exit is a loop exit.
24432         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
24433         changed the CFG.
24435 2009-01-24  Paul Brook  <paul@codesourcery.com>
24437         * config/arm/neon.md (neon_type): Move to arm.md.
24438         (neon_mov<VSTRUCT>): Add neon_type attribute.
24439         * config/arm/arm.md (neon_type): Move to here.
24440         (conds): Add "unconditioal" and use as default for NEON insns.
24442 2009-01-24  Ben Elliston  <bje@au.ibm.com>
24444         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
24445         void *' warning from -Wc++-compat.
24446         * Makefile.in (dominance.o-warn): Remove.
24448 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
24450         PR tree-optimization/38932
24451         * fold-const.c (fold_unary_ignore_overflow): New.
24452         * tree.h (fold_unary_ignore_overflow): Declare.
24453         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
24454         * tree-ssa-sccvn.c (visit_reference_op_load,
24455         simplify_unary_expression): Likewise.
24457 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
24459         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
24460         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
24461         regardless of their type.
24462         * c-common.c (handle_packed_attribute): Don't ignore packed on
24463         bitfields.
24464         * c.opt (Wpacked-bitfield-compat): New warning option.
24465         * stor-layout.c (place_field): Warn if offset of a field changed.
24466         * doc/extend.texi (packed): Mention the ABI change.
24467         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
24468         (Warning Options): Add it to the list.
24470 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
24472         * c-opts.c (c_common_post_options): Fix a typo in comments.
24474 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
24476         PR middle-end/38615
24477         * gimplify.c (gimplify_init_constructor): Fix promotion of const
24478         variables to static.
24479         * doc/invoke.texi (-fmerge-all-constants): Update description.
24481 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
24483         PR target/38931
24484         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
24485         (*movdi_1_rex64): Use type "mmx" for alternative 5.
24487 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
24489         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
24490         a word boundary.
24491         (LOCAL_ALIGNMENT): Similarly.
24493 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
24494             Joseph Myers  <joseph@codesourcery.com>
24496         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
24497         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
24498         * config/arm/arm-tune.md: Regenerate.
24499         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
24500         -march=iwmmxt2.
24502 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
24504         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
24505         version number to five.
24507 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
24509         PR c++/38930
24510         * c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
24511         * c-common.c (set_underlying_type): Likewise.
24512         (is_typedef_decl ): Likewise
24513         * tree.h: Likewise
24514         (set_underlying_type): Likewise.
24515         (is_typedef_type): Likewise.
24517 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
24519         PR middle-end/38587
24520         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
24521         crossing setjmps.
24523 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
24525         PR bootstrap/37660
24526         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
24527         (LIBGCC_SPEC):  Don't define.
24528         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
24530 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
24532         PR rtl-optimization/38879
24533         * alias.c (base_alias_check): Unaligned access via AND address can
24534         alias all surrounding object types except those with sizes equal
24535         or wider than the size of unaligned access.
24537 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
24539         PR c++/26693
24540         * c-decl.c (clone_underlying_type): Move this ...
24541         * c-common.c (set_underlying_type): ... here.
24542         Also, make sure the function properly sets TYPE_STUB_DECL() on
24543         the newly created typedef variant type.
24544         (is_typedef_decl ): New entry point.
24545         * tree.h: Added a new member member_types_needing_access_check to
24546         struct tree_decl_non_common.
24547         (set_underlying_type): New entry point.
24548         (is_typedef_type): Likewise.
24550 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
24552         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
24553         Check whether two instructions have memory references that
24554         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
24555         are helper functions for traversing.
24556         * alias.h (insn_alias_sets_confilict_p): New prototypes.
24557         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
24558         not to draw dependency edge for instructions with non-conflicting
24559         alias sets.
24561 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
24563         PR other/38758
24564         * longlong.h: Update copyright years.  Use soft-fp license notice.
24565         Sync __clz_tab declaration with glibc.
24567 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
24569         PR target/30687
24570         * doc/extend.texi (syscall_linkage): New.
24571         (version_id): Modify.
24573 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
24574             Richard Guenther  <rguenther@suse.de>
24576         PR tree-optimization/38747
24577         PR tree-optimization/38748
24578         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
24579         conversion if the base address is an indirect reference and the
24580         aliasing sets could cause issues.
24582 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
24584         * common.opt (fgraphite, fgraphite-identity): Add comment for
24585         explaining why these options are not documented.
24587 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
24589         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
24590         gimple_call_lhs is NULL.
24592 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
24594         PR target/38868
24595         * emit-rtl.c (adjust_address_1): Make sure memref is never
24596         overwritten.
24598 2009-01-20  Ben Elliston  <bje@au.ibm.com>
24600         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
24601         const qualifier from arg parameter. Remove unnecessary cast to char *.
24602         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
24603         const qualifier from arg 2.
24605 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
24607         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
24609 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
24611         PR c/38869
24612         * rtl.h (reinit_regs): New prototype.
24613         * regclass.c: Include ira.h.
24614         (reinit_regs): New.
24615         * Makefile.in (regclass.o): Add ira.h.
24616         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
24618 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
24620         PR target/38736
24621         * c-common.c (handle_aligned_attribute): Use
24622         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
24623         default alignment value.
24625         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
24627         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
24628         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
24630         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
24631         __BIGGEST_ALIGNMENT__.
24633         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
24635 2009-01-18  Richard Guenther  <rguenther@suse.de>
24637         PR tree-optimization/38819
24638         * tree-flow.h (operation_could_trap_helper_p): Declare.
24639         * tree-eh.c (operation_could_trap_helper_p): Export.
24640         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
24641         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
24642         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
24643         are about to insert a possibly trapping instruction and fail
24644         in this case.
24646 2009-01-18  Andreas Schwab  <schwab@suse.de>
24648         * doc/install.texi (Configuration): Remove obsolete paragraph
24649         about use of --with-gnu-ld with --with-gnu-as.
24651 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
24653         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
24654         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
24655         Follow spelling conventions.
24657 2009-01-18  Ben Elliston  <bje@au.ibm.com>
24659         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
24660         C++ warning about implicit conversion from void * to struct
24661         bitmap_head_def *.
24662         (bitmap_obstack_free): Likewise for bitmap_element *.
24663         * Makefile.in (bitmap.o-warn): Remove.
24665 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
24667         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
24669 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
24670             Tobias Grosser  <tobi.grosser@amd.com>
24672         * graphite.c (graphite_trans_scop_block): Do not block single
24673         nested loops.
24675 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
24677         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
24678         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
24679         test with assertion.
24681 2009-01-16  Richard Guenther  <rguenther@suse.de>
24683         PR tree-optimization/38835
24684         PR middle-end/36227
24685         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
24686         and INT + PTR -> (INT)(PTR p+ INT) folding.
24687         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
24689 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
24691         PR target/38554
24692         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
24693         the subreg from a lowpart subreg if it is also casting the value.
24695 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
24696             Tobias Grosser  <tobi.grosser@amd.com>
24698         * graphite.c (compare_prefix_loops): New.
24699         (build_scop_canonical_schedules): Rewritten.
24700         (graphite_transform_loops): Move build_scop_canonical_schedules
24701         after build_scop_iteration_domain.
24703 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
24704             Tobias Grosser  <tobi.grosser@amd.com>
24706         * graphite.c (add_conditions_to_domain): Add the loops to
24707         the dimension of the iteration domain.  Do copy the domain
24708         only when it exists.
24709         (build_scop_conditions_1): Do not call add_conditions_to_domain.
24710         (add_conditions_to_constraints): New.
24711         (can_generate_code_stmt, can_generate_code): Removed.
24712         (gloog): Do not call can_generate_code.
24713         (graphite_transform_loops): Call add_conditions_to_constraints
24714         after building the iteration domain.
24716 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
24718         PR tree-optimization/38789
24719         * tree-ssa-threadedge.c
24720         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
24721         __builtin_constant_p.
24723 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
24725         * dce.c (delete_unmarked_insns): Reversed the order that insns are
24726         examined before deleting them.
24728 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
24730         * function.c (aggregate_value_p): Correctly extract the function
24731         type from CALL_EXPR_FN lookup.
24733 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
24735         * config/picochip/picochip.c (picochip_override_options): Revert
24736         CFI asm flag disable commited previously.
24738 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
24739             Tobias Grosser  <tobi.grosser@amd.com>
24740             Jan Sjodin  <jan.sjodin@amd.com>
24742         * graphite.c (scan_tree_for_params): On substractions negate
24743         all the coefficients of the term.
24744         (clast_to_gcc_expression_red): New.  Handle reduction expressions
24745         of more than two operands.
24746         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
24747         (get_vdef_before_scop): Handle also the case of default definitions.
24749 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
24751         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
24752         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
24753         Also use them when walking CALL_INSN_FUNCTION_USAGE.
24755 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
24756             Joey Ye  <joey.ye@intel.com>
24758         PR middle-end/37843
24759         * cfgexpand.c (expand_stack_alignment): Don't update stack
24760         boundary nor check incoming stack boundary here.
24761         (gimple_expand_cfg): Update stack boundary and check incoming
24762         stack boundary here.
24764 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
24766         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
24768 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
24770         PR rtl-optimization/38245
24771         * calls.c (expand_call): Add stack arguments to
24772         CALL_INSN_FUNCTION_USAGE even for pure calls (when
24773         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
24774         in regs and partially in memory or BLKmode arguments.
24775         (emit_library_call_value_1): Add stack arguments to
24776         CALL_INSN_FUNCTION_USAGE even for pure calls (when
24777         ACCUMULATE_OUTGOING_ARGS).
24778         * dce.c: Include tm_p.h.
24779         (find_call_stack_args): New function.
24780         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
24781         argument.
24782         (mark_insn): Call find_call_stack_args for CALL_Ps.
24783         (prescan_insns_for_dce): Walk insns backwards in bb rather than
24784         forwards.  Allocate and free arg_stores bitmap if needed, pass it
24785         down to deletable_insn_p, don't mark stores set in arg_stores
24786         bitmap, clear the bitmap at the beginning of each bb.
24787         * Makefile.in (dce.o): Depend on $(TM_P_H).
24789 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
24791         PR target/22599
24792         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
24793         to make sure the insn is a conditional test (bug 22599).  Reformat a
24794         few long lines.
24796 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
24798         PR middle-end/38431
24799         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
24800         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
24801         (gloog): Do not call cleanup_tree_cfg.
24802         (graphite_transform_loops): Call cleanup_tree_cfg after all
24803         scops have been code generated.
24805 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
24806         * doc/gty.texi (Invoking the garbage collector): Added new node
24807         and section documenting ggc_collect.
24809 2009-01-14  Richard Guenther  <rguenther@suse.de>
24811         PR tree-optimization/38826
24812         PR middle-end/38477
24813         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
24814         initialization notes only if we actually emitted a warning.
24815         (intra_create_variable_infos): Add constraints for a result decl
24816         that is passed by hidden reference.
24817         (build_pred_graph): Mark all related variables non-direct on
24818         address-taking.
24820 2009-01-14  Nick Clifton  <nickc@redhat.com>
24822         * ira-conflicts.c: Include addresses.h for the definition of
24823         base_reg_class.
24824         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
24825         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
24827 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
24829         PR target/38811
24830         * Makefile.in (ira-lives.o): Add except.h.
24832         * ira-lives.c: Include except.h.
24833         (process_bb_node_lives): Process can_throw_internal.
24835 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
24837         PR rtl-optimization/38774
24838         * combine.c (simplify_set): When undoing cc_use change, don't do
24839         PUT_CODE on the newly created comparison, but instead put back the
24840         old comparison.
24842 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
24844         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
24845         values.  Remove duplicate arm8 entry.
24847 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
24849         PR tree-optimization/38786
24850         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
24851         the SSA_NAME case of expand_scalar_variables_expr.
24852         Set the type of an expression to the type of its assign statement.
24853         (expand_scalar_variables_expr): Also gather the scalar computation
24854         used to index the memory access.  Do not pass loop_p.
24855         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
24856         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
24857         the gimple_stmt_iterator where it inserts new code.
24858         Do not pass loop_p.
24859         (copy_bb_and_scalar_dependences): Do not pass loop_p.
24860         (translate_clast): Update call to copy_bb_and_scalar_dependences.
24862 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
24864         * graphite.h (debug_value): Removed.
24865         * graphite.c (debug_value): Removed.
24867 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
24869         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
24870         ldrd/strd with two 32-bit instructions.
24872 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
24874         * config/arm/arm.c (struct processors): Pass for speed down into
24875         cost helper functions.
24876         (const_ok_for_op): Handle COMPARE and inequality nodes.
24877         (arm_rtx_costs_1): Rewrite.
24878         (arm_size_rtx_costs): Update prototype.
24879         (arm_rtx_costs): Pass speed down to helper functions.
24880         (arm_slowmul_rtx_costs): Rework cost calculations.
24881         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
24882         (arm_9e_rtx_costs): Likewise.
24884 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
24886         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
24887         relocations of local symbols wider than UNITS_PER_WORD are not valid.
24888         (alpha_legitimize_address): Do not split local symbols wider than
24889         UNITS_PER_WORD into HIGH/LO_SUM parts.
24891 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
24893         PR bootstrap/38580
24894         * gcc.c (process_command): Replace call to execvp with calls
24895         to pex_one and exit.
24897 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
24899         PR target/29141
24900         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
24901         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
24902         variant for devices with 3-byte PC.
24903         (__tablejump_elpm__): New.
24905 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
24907         PR c/32041
24908         * c-parser.c (c_parser_postfix_expression): Allow `->' in
24909         offsetof member-designator, handle it as `[0].'.
24911 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
24913         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
24914         function when not using named sections on targets with named sections
24915         if branch distance is less than 262132.
24917 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
24919         * combine.c (combine_instructions):  Recompute
24920         optimize_this_for_speed_p  for each BB in the main combine loop.
24922 2009-01-12  Tomas Bily  <tbily@suse.cz>
24924         PR middlend/38385
24925         * tree-loop-distribution.c (prop_phis): New function.
24926         (generate_builtin): Call prop_phis.
24927         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
24929 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
24931         PR tree-optimization/38807
24932         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
24933         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
24935 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
24937         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
24938         subreg of op0 to the original op0.
24940 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
24942         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
24944 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
24946         PR debug/7055
24947         * mips-tfile.c (parse_def): Fix parsing of def strings
24948         starting with digits.
24950 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
24952         PR target/38695
24953         * config/arm/arm.c (arm_is_long_call_p): Don't call
24954         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
24956 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
24958         * regrename.c (regrename_optimize): Fix dumping.
24959         (find_oldest_value_reg): Preserve REG_POINTER.
24960         (copy_hardreg_forward_1): Likewise.
24962 2009-01-09  Diego Novillo  <dnovillo@google.com>
24964         * gimple.h (struct gimple_statement_base) <uid>: Document
24965         the restrictions on its use.
24966         (gimple_uid): Tidy.
24967         (gimple_set_uid): Tidy.
24969 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
24971         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
24972         zero guard even if align_bytes != 0 and count is smaller than
24973         size_needed.
24975 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
24977         PR rtl-optimization/38495
24978         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
24979         (add_range_and_copies_from_move_list): Print all added ranges.
24980         Add ranges to memory optimized destination.
24982 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
24984         PR target/38686
24985         PR target/38708
24986         * config/i386/i386.c (override_options): Reject
24987         -mstringop-strategy=rep_8byte with -m32.
24988         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
24989         to 1.  Do count comparison against epilogue_size_needed at compile
24990         time even when count_exp was constant forced into register.  For
24991         size_needed don't jump to epilogue, instead just avoid aligning
24992         and invoke the body algorithm.  If need_zero_guard, add zero guard
24993         even if count is non-zero, but smaller than size_needed + number of
24994         bytes that could be stored for alignment.
24995         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
24996         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
24997         but smaller than size_needed + number of bytes that could be stored
24998         for alignment.  Compare size_needed with epilogue_size_needed instead
24999         of desired_align - align, don't adjust size_needed, pass
25000         epilogue_size_needed to the epilogue expanders.
25002         PR c/35742
25003         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
25005 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
25007         * pa.c (last_address): Change to unsigned.
25008         (update_total_code_bytes): Change argument to unsigned.  Don't
25009         check if insn addresses are set.
25010         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
25011         addresses are not set.
25012         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
25014 2009-01-09  Nick Clifton  <nickc@redhat.com>
25016         * config/sh/symbian.c: Replace uses of DECL_INLINE with
25017         DECL_DECLARED_INLINE_P.
25019 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
25021         PR middle-end/38347
25022         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
25023         GET_MODE (op0) in operand_subword_force calls.
25025         PR middle-end/38771
25026         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
25027         fold_convert arg0 operands to TREE_TYPE (op0) first.
25029 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
25031         * params.def (ira-max-conflict-table-size): Decrease default value
25032         to 1000.
25034 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
25036         PR tree-optimization/37031
25037         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
25038         on parameter_set.
25039         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
25040         allocate it using gc instead of heap, use VEC_quick_push instead of
25041         VEC_safe_push.
25042         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
25043         instead of heap, use VEC_quick_push instead of VEC_safe_push.
25044         * tree-data-ref.h (struct access_matrix): Change matrix to gc
25045         allocated vector from heap allocated.
25046         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
25047         * tree-loop-linear.c (linear_transform_loops): Allocate nest
25048         vector only after perfect_loop_nest_depth call.
25050 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
25051             Jan Sjodin  <jan.sjodin@amd.com>
25053         PR tree-optimization/38559
25054         * graphite.c (debug_value, copy_constraint,
25055         swap_constraint_variables, scale_constraint_variable, ): New.
25056         (get_lower_bound, get_upper_bound): Removed.
25057         (graphite_trans_bb_strip_mine): Clean up this code that works
25058         only for constant number of iterations.  Fully copy upper and
25059         lower bound constraints, not only the constant part of them.
25060         * graphite.h (debug_value): Declared.
25062 2009-01-08  Ira Rosen  <irar@il.ibm.com>
25064         PR tree-optimization/37194
25065         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
25066         Don't add the cost of cost model guard in prologue to scalar
25067         outside cost in case of known number of iterations.
25069 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
25070             Alan Modra  <amodra@bigpond.net.au>
25072         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
25073         non-word-aligned REG+CONST addressing.
25075 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
25077         PR target/38706
25078         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
25079         free_after_compilation when outputting a thunk.
25080         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
25081         Do not call free_after_compilation here.
25083 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
25085         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
25086         (ix86_valid_target_attribute_inner_p): Ditto.
25088 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
25090         PR tree-optimization/38492
25091         PR tree-optimization/38498
25092         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
25093         * tree-chrec.h (scev_is_linear_expression): Declared.
25094         * graphite.c (graphite_cannot_represent_loop_niter): New.
25095         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
25096         (graphite_loop_normal_form): Use gcc_assert.
25097         (scan_tree_for_params): Use CASE_CONVERT.
25098         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
25099         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
25100         Use gcc_assert.  Discard scops that contain unhandled cases.
25101         (build_scop_conditions): Return a boolean status for unhandled cases.
25102         (strip_mine_profitable_p): Print the loop number, not its depth.
25103         (is_interchange_valid): Pass the depth of the loop nest, don't
25104         recompute it wrongly.
25105         (graphite_trans_bb_block): Same.
25106         (graphite_trans_bb_block): Print tentative of loop blocking.
25107         (graphite_trans_scop_block): Do not print that the loop has been
25108         blocked.
25109         (graphite_transform_loops): Do not handle scops that contain condition
25110         scalar phi nodes.
25112 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
25114         AVX Programming Reference (December, 2008)
25115         * config/i386/avxintrin.h (_mm256_stream_si256): New.
25116         (_mm256_stream_pd): Likewise.
25117         (_mm256_stream_ps): Likewise.
25119         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
25120         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
25121         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
25122         (bdesc_special_args): Add __builtin_ia32_movntdq256,
25123         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
25124         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
25125         (ix86_expand_special_args_builtin): Likewise.
25127         * config/i386/sse.md (AVXMODEDI): New.
25128         (avx_movnt<mode>): Likewise.
25129         (avx_movnt<mode>): Likewise.
25130         (<sse>_movnt<mode>): Remove AVX support.
25131         (sse2_movntv2di): Likewise.
25133 2009-01-07  Richard Guenther  <rguenther@suse.de>
25135         PR middle-end/38751
25136         * fold-const.c (extract_muldiv): Remove obsolete comment.
25137         (fold_plusminus_mult_expr): Undo MINUS_EXPR
25138         to PLUS_EXPR canonicalization for the canonicalization.
25140 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
25142         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
25143         hosted cross-compilers generating less efficient code.
25145 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
25147         * function.h (rtl_data): Add a dbr_scheduled_p field.
25148         * reorg.c (dbr_schedule): Set it.
25149         (gate_handle_delay_slots): Check it.
25150         * config/mips/mips.c (mips_base_delayed_branch): Delete.
25151         (mips_reorg): Check flag_delayed_branch instead of
25152         mips_base_delayed_branch.
25153         (mips_override_options): Don't set mips_base_delayed_branch
25154         or flag_delayed_branch.
25156 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
25158         PR rtl-optimization/38426.
25159         * ira.c (ira): Set current_function_is_leaf earlier.
25161 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
25163         PR rtl-optimization/38722
25164         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
25165         too early, only set a flag and modify after last possible
25166         undo_all point.
25168 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
25170         PR c/34252
25171         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
25172         * real.c (decimal_single_format): Correct values of emin and emax.
25173         (decimal_double_format): Ditto.
25174         (decimal_quad_format): Ditto.
25175         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
25176         computation of DECnn_MIN and DECnn_MAX for corrected values of
25177         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
25178         __DECnn_MIN__, and adjust its computation for the corrected value
25179         of emin.
25181 2009-01-06  Jan Hubicka  <jh@suse.cz>
25183         PR target/38744
25184         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
25186 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
25188         * doc/contrib.texi (Contributors): Slightly adjust the end note.
25189         Add Robert Clark to the list of testers.
25191 2009-01-06  Jan Hubicka  <jh@suse.cz>
25192             Kai Tietz  <kai.tietz@onevision.com>
25194         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
25195         * config/i386/i386.c (ix86_expand_call): Add clobbers.
25197 2009-01-06  Jan Hubicka  <jh@suse.cz>
25198             Kai Tietz  <kai.tietz@onevision.com>
25200         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
25201         for w64 ABI.
25202         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
25203         (ix86_nsaved_regs): Count only general purpose regs.
25204         (ix86_nsaved_sseregs): New.
25205         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
25206         to 16 for w64; compute padding and size of sse reg save area.
25207         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
25208         general purpose regs.
25209         (ix86_emit_save_sse_regs_using_mov): New.
25210         (ix86_expand_prologue): Save SSE regs if needed.
25211         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
25212         (ix86_emit_restore_sse_regs_using_mov): New.
25213         (ix86_expand_epilogue): Save SSE regs if needed.
25215 2009-01-06  Jan Hubicka  <jh@suse.cz>
25216             Kai Tietz  <kai.tietz@onevision.com>
25218         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
25219         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
25220         functions when accumulate outgoing args is off.
25222 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
25224         PR bootstrap/38742
25225         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
25226         before using pseudos_have_intersected_live_ranges_p.
25228         * ira-int.h (ira_assert): Always define.
25230 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
25232         AVX Programming Reference (December, 2008)
25233         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
25234         (_mm256_permute2_pd): Likewise.
25235         (_mm_permute2_ps): Likewise.
25236         (_mm256_permute2_ps): Likewise.
25237         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
25238         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
25240         * config/i386/i386.c (ix86_builtins): Remove
25241         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
25242         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
25243         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
25244         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
25245         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
25246         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
25247         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
25248         __builtin_ia32_vpermil2ps256.
25249         (ix86_init_mmx_sse_builtins): Updated.
25250         (ix86_expand_args_builtin): Likewise.
25252 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
25254         * pa.c (output_call): Relocate non-jump insns in the delay slot of
25255         long absolute calls when generating PA 2.0 code.
25257 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
25259         PR rtl-optimization/38583
25260         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
25262         * params.def (ira-max-conflict-table-size): New.
25264         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
25266         * ira.h (ira_conflicts_p): New external definition.
25268         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
25269         table.  Report this.  Return result of building.
25270         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
25271         building conflict table.
25273         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
25274         (ira_color): Use ira_conflicts_p.
25276         * global.c: Include ira.h.
25277         (pseudo_for_reload_consideration_p, build_insn_chain): Use
25278         ira_conflicts_p.
25280         * Makefile.in (global.o): Add ira.h.
25282         * ira-build.c (mark_all_loops_for_removal,
25283         propagate_some_info_from_allocno): New.
25284         (remove_unnecessary_allocnos): Call
25285         propagate_some_info_from_allocno.
25286         (remove_low_level_allocnos): New.
25287         (remove_unnecessary_regions): Add parameter.  Call
25288         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
25289         parameter to remove_unnecessary_regions.
25290         (ira_build): Remove all regions but root if the conflict table was
25291         not built.  Update conflict hard regs for allocnos crossing calls.
25293         * ira.c (ira_conflicts_p): New global.
25294         (ira): Define and use ira_conflicts_p.
25296         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
25297         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
25298         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
25300 2009-01-06  Ben Elliston  <bje@au.ibm.com>
25302         * gengtype-lex.l (YY_NO_INPUT): Define.
25304 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
25306         PR c/34911
25307         * c-common.c (handle_vector_size_attribute): Also reject
25308         BOOLEAN_TYPE types.
25310 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
25312         PR tree-optimization/38492
25313         * graphite.c (rename_map_elt, debug_rename_elt,
25314         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
25315         rename_map_elt_info, eq_rename_map_elts,
25316         get_new_name_from_old_name, bb_in_sese_p): Moved around.
25317         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
25318         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
25319         (sese_build_livein_liveouts): New.
25320         (new_sese, free_sese): New.
25321         (new_scop): Call new_sese.
25322         (free_scop): Call free_sese.
25323         (rename_variables_from_edge, rename_phis_end_scop): Removed.
25324         (register_old_new_names): Renamed register_old_and_new_names.
25325         (register_scop_liveout_renames, add_loop_exit_phis,
25326         insert_loop_close_phis, struct igp,
25327         default_liveout_before_guard, add_guard_exit_phis,
25328         insert_guard_phis, copy_renames): New.
25329         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
25330         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
25331         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
25332         (scop_adjust_phis_for_liveouts): New.
25333         (gloog): Call scop_adjust_phis_for_liveouts.
25335         * graphite.h (struct sese): Documented.  Added fields liveout,
25336         num_ver and livein.
25337         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
25338         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
25339         (struct scop): Added field liveout_renames.
25340         (SCOP_LIVEOUT_RENAMES): New.
25342 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
25344         PR tree-optimization/38510
25345         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
25346         (translate_clast): Call recompute_all_dominators before
25347         graphite_verify.
25348         (gloog): Call recompute_all_dominators before graphite_verify.
25350 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
25351             Jan Sjodin  <jan.sjodin@amd.com>
25353         PR tree-optimization/38500
25354         * graphite.c (create_sese_edges): Call fix_loop_structure after
25355         splitting blocks.
25357 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
25359         * config.gcc: Add m32r*-*-rtems*.
25360         * config/m32r/rtems.h: New file.
25362 2009-01-05  Ben Elliston  <bje@au.ibm.com>
25364         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
25365         (.po.pox): Likewise.
25366         (po/gcc.pot): Likewise.
25368 2009-01-04  David S. Miller  <davem@davemloft.net>
25370         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
25371         (STARTING_FRAME_OFFSET): Always set to zero.
25373 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
25375         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
25376         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
25377         fixed-point types, and vectors of the same.
25379 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
25381         * config/mips/sync.md (*mb_barrier): Rename to...
25382         (*memory_barrier): ...this.
25384 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
25386         * doc/extend.texi (Function Attributes): Move @cindex after @item
25387         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
25388         and put in alphabetical order. Fix 'target' name and put in order.
25389         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
25390         typos.
25392 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
25394         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
25395         (memory_barrier): Expand as unspec instead of unspec_volatile.
25396         Remove mem:BLK from insn operands.  Use Pmode scratch register.
25397         (*memory_barrier): Define as unspec instead of unspec_volatile.
25398         Use (match_dup 0) as input operand.
25400         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
25401         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
25402         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
25403         scratch register.  Remove operand 1.
25404         (*stbar): Define as unspec instead of unspec_volatile.
25405         Use (match_dup 0) as input operand, remove (const_int 8).
25406         (*membar): Define as unspec instead of unspec_volatile.
25407         Use (match_dup 0) as input operand, remove input operand 2.
25409         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
25410         (memory_barrier): Expand as unspec instead of unspec_volatile.
25411         Remove mem:BLK from insn operands.  Use Pmode scratch register.
25412         (*memory_barrier): Define as unspec instead of unspec_volatile.
25413         Use (match_dup 0) as input operand.
25415         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
25416         Remove mem:BLK from insn operands.  Use Pmode scratch register.
25417         Set volatile flag on operand 0.
25418         (*memory_barrier): New insn pattern.
25420         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
25421         insn operands.
25422         (*memory_barrier): Use (match_dup 0) as input operand.
25424         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
25425         Remove mem:BLK from insn operands.  Use Pmode scratch register.
25426         Set volatile flag on operand 0.
25427         (*mb_internal): New insn pattern.
25429         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
25431 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
25433         PR middle-end/38586
25434         * function.c (struct temp_slot): Move to the section of the file
25435         that deals with temp slots.  Remove field 'address'.
25436         (temp_slot_address_table): New hash table of address -> temp slot.
25437         (struct temp_slot_address_entry): New struct, items for the table.
25438         (temp_slot_address_compute_hash, temp_slot_address_hash,
25439         temp_slot_address_eq, insert_temp_slot_address): Support functions
25440         for the new table.
25441         (find_temp_slot_from_address): Rewrite to use the new hash table.
25442         (remove_unused_temp_slot_addresses): Remove addresses of temp
25443         slots that have been made available.
25444         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
25445         worker function for remove_unused_temp_slot_addresses.
25446         (assign_stack_temp_for_type): Don't clear the temp slot address list.
25447         Add the temp slot address to the address -> temp slot map.
25448         (update_temp_slot_address): Update via insert_temp_slot_address.
25449         (free_temp_slots): Call remove_unused_temp_slot_addresses.
25450         (pop_temp_slots): Likewise.
25451         (init_temp_slots): Allocate the address -> temp slot map, or empty
25452         the map if it is already allocated.
25453         (prepare_function_start): Initialize temp slot processing.
25455 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
25457         PR middle-end/38584
25458         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
25459         Calculate the size of all stack vars assuming no packing of stack
25460         vars will happen, replacing a quadratic algorithm with a linear one.
25462 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
25464         PR target/38707
25465         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
25466         can't be used.
25468 2009-01-03  Diego Novillo  <dnovillo@google.com>
25470         * doc/contrib.texi: Update contributions.
25472 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
25474         PR c++/38705
25475         * builtins.c (fold_builtin_memory_op): Give up if either operand
25476         is volatile.  Set srctype or desttype to non-qualified version
25477         of the other type.
25479         PR c/38700
25480         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
25481         and FUNCTION_DECLs.
25483 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
25485         PR rtl-optimization/35805
25486         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
25487         problem if fast dce is able to remove any instructions.
25488         * dce.c (dce_process_block): Fix dump message.
25490 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
25492         PR 33649
25493         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
25495 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
25497         PR middle-end/38690
25498         * tree-flow.h (op_code_prio, op_prio): New prototypes.
25499         * tree-pretty-print.c (op_code_prio): New function.
25500         (op_prio): No longer static.  Use op_code_prio.
25501         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
25502         Use op_prio and op_code_prio to determine if () should be
25503         printed around operand(s) or not.
25505         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
25506         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
25507         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
25508         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
25509         pp_character instead of pp_string for single letter printing.
25511 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
25513         * doc/extend.texi: Fix '#pragma GCC option' typo.
25515 2009-01-02  Richard Guenther  <rguenther@suse.de>
25517         * doc/install.texi (--enable-checking): Mention different
25518         default for stage1.
25519         (--enable-stage1-checking): Document.
25521 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
25523         PR middle-end/30142
25524         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
25525         case to be an error.
25527 2009-01-02  Ben Elliston  <bje@au.ibm.com>
25529         * config/fp-bit.h (pack_d): Constify argument.
25530         * config/fp-bit.c (makenan): Constify return type. Remove casts.
25531         (isnan): Constify argument.
25532         (isinf): Likewise.
25533         (iszero): Likewise.
25534         (pack_d): Likewise.
25535         (_fpadd_parts): Constify return type.
25536         (_fpmul_parts): Likewise.
25537         (_fpdiv_parts): Likewise.
25539 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
25541         PR c/36489
25542         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
25543         warn about overwriting initializer with side-effects or
25544         -Woverride-init if !IMPLICIT.
25545         (output_init_element): Likewise.  Pass IMPLICIT down to
25546         add_pending_init.
25547         (process_init_element): Add IMPLICIT argument.  Pass it down
25548         to output_init_element.
25549         (push_init_element, pop_init_level, set_designator): Adjust
25550         process_init_element callers.
25551         (set_nonincremental_init, set_nonincremental_init_from_string):
25552         Adjust add_pending_init callers.
25553         (output_pending_init_elements): Adjust output_init_element callers.
25554         * c-tree.h (process_init_element): Adjust prototype.
25555         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
25556         process_init_element callers.
25559 Copyright (C) 2009 Free Software Foundation, Inc.
25561 Copying and distribution of this file, with or without modification,
25562 are permitted in any medium without royalty provided the copyright
25563 notice and this notice are preserved.