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1 2007-05-12  Richard Sandiford  <richard@codesourcery.com>
2
3         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
4         (gcc_tooldir): Likewise.
5         * configure: Regenerate.
6         * Makefile.in (libsubdir_to_prefix): New variable, based on the
7         old configure.ac gcc_tooldir setting.
8         (prefix_to_exec_prefix): New variable.
9         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
10         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
11
12 2007-05-11  Silvius Rus  <rus@google.com>
13
14         * Makefile.in (OBJS-common): Add tree-ssa-alias-warnings.o.
15         * c-common.c (strict_aliasing_warning): Modify -Wstrict-aliasing logic.
16         * c-common.h (strict_aliasing_warning): Change return type.
17         * c-opts.c (c_common_handle_option): Add call to set_Wstrict_aliasing.
18         * c-typeck.c (build_indirect_ref): Add call to strict_aliasing_warning.
19         (build_c_cast): Condition call to strict_aliasing_warning.
20         * doc/invoke.texi: Update description of -Wstrict-aliasing[=n].
21         * flags.h (set_Wstrict_aliasing): Declare.
22         * opts.c (set_Wstrict_alising): Define, add call to.
23         * tree-flow.h (strict_aliasing_warning_backend): Declare.
24         * tree-ssa-alias-warnings.c: New file.
25         * tree-ssa-alias.c (compute_may_aliases): Add call to
26         strict_aliasing_warning_backend. 
27
28 2007-05-11  Zdenek Dvorak  <dvorakz@suse.cz>
29
30         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
31         Use loop_depth and loop_outer accessor functions.
32         * tree-ssa-loop-im.c (outermost_invariant_loop, set_level,
33         determine_invariantness_stmt, move_computations_stmt): Ditto.
34         * cfgloopmanip.c (fix_bb_placement, fix_loop_placement, remove_path,
35         add_loop, loopify, unloop, fix_loop_structure): Ditto.
36         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Ditto.
37         * tree-scalar-evolution.c (interpret_loop_phi,
38         compute_scalar_evolution_in_loop, analyze_scalar_evolution_in_loop,
39         instantiate_parameters_1, scev_const_prop): Ditto.
40         * cfghooks.c (make_forwarder_block): Ditto.
41         * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
42         * modulo-sched.c (loop_canon_p): Ditto.
43         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
44         slpeel_can_duplicate_loop_p): Ditto.
45         * lambda-code.c (invariant_in_loop_and_outer_loops): Ditto.
46         * tree-cfg.c (tree_duplicate_sese_region): Ditto.
47         * cfgloop.c (flow_loop_dump, flow_loop_nodes_find, rescan_loop_exit,
48         cancel_loop, verify_loop_structure): Ditto.
49         (flow_loop_nested_p, superloop_at_depth, flow_loop_free,
50         add_bb_to_loop, remove_bb_from_loops, find_common_loop): Use the
51         superloops vector instead of "pred" array.
52         (establish_preds): Take father loop as an argument.  Initialize the
53         superloops vector.
54         (flow_loop_tree_node_add): Pass father loop to establish_preds.  Do not
55         initialize loop->outer.
56         (flow_loop_tree_node_remove): Truncate the superloops vector.
57         * cfgloop.h (struct loop): Removed field "outer", fields "depth" and
58         "pred" merged to "superloops" vector.
59         (loop_depth, loop_outer): New.
60         (fel_init): Use loop_outer.
61
62 2007-05-11  Jan Hubicka  <jh@suse.cz>
63
64         * cgraphunit.c: Include gt-cgraphunit.h
65         (static_ctors, static_dtors): New static vars.
66         (record_cdtor_fn, build_cdtor, cgraph_build_cdtor_fns): New functions,
67         based on implementation in c-common.c
68         (cgraph_finalize_function): Call record_cdtor_fn.
69         (cgraph_optimize): Call cgraph_build_cdtor_fns.
70         * decl.c (finish_function): Do not call c_record_cdtor_fn.
71         (c_write_global_declarations): Do not call c_build_cdtor_fns.
72         * c-common.c (static_ctors, static_dtors, c_record_cdtor_fn,
73         build_cdtor, c_build_cdtor_fns): Remove.
74         * c-common.h (static_ctors, static_dtors, c_record_cdtor_fn,
75         c_build_cdtor_fns): Remove prototype.
76
77 2007-05-11  Paolo Carlini  <pcarlini@suse.de>
78
79         PR other/31852
80         * builtin-types.def: Add BT_FN_PTR_CONST_PTR_INT_SIZE.
81         * builtins.def: Add BUILT_IN_MEMCHR, use the latter.
82         * builtins.c (fold_builtin_memchr): New.
83         (expand_builtin_memchr): Call the latter.
84         (expand_builtin, fold_builtin_3): Deal with BUILT_IN_MEMCHR.
85         * doc/extend.texi ([Other built-in functions provided by GCC]):
86         Document memchr.
87
88 2007-05-11  Andreas Krebbel  <krebbel1@de.ibm.com>
89
90         * config/s390/s390.md (GPR0_REGNUM, FPR0_REGNUM, FPR2_REGNUM,
91         PFPO_CONVERT, PFPO_OP_TYPE_SF, PFPO_OP_TYPE_DF, PFPO_OP_TYPE_TF,
92         PFPO_OP_TYPE_SD, PFPO_OP_TYPE_DD, PFPO_OP_TYPE_TD, PFPO_OP0_TYPE_SHIFT,
93         PFPO_OP1_TYPE_SHIFT): Constants added.
94         (DFP_ALL): Mode macro defined.
95         ("*trunc<BFP:mode><DFP_ALL:mode>2", "*trunc<DFP_ALL:mode><BFP:mode>2",
96         "*extend<BFP:mode><DFP_ALL:mode>2", "*extend<DFP_ALL:mode><BFP:mode>2"):
97         Insn definitions added.
98         ("trunc<BFP:mode><DFP_ALL:mode>2", "trunc<DFP_ALL:mode><BFP:mode>2",
99         "extend<BFP:mode><DFP_ALL:mode>2", "extend<DFP_ALL:mode><BFP:mode>2"):
100         Expanders added.
101
102 2007-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
103
104         PR tree-optimization/31885
105         * tree-chrec.c (chrec_contains_undetermined): Do not consider NULL_TREE
106         to be undetermined.
107         (automatically_generated_chrec_p): Return false for NULL.
108
109 2007-05-08  Bernd Schmidt  <bernd.schmidt@analog.com>
110
111         * config/bfin/bfin.h (MOVE_RATIO): Define.
112
113 2007-05-10  Richard Sandiford  <richard@codesourcery.com>
114
115         * config.gcc (sparc-wrs-vxworks): New target.
116         * config/sparc/vxworks.h, config/sparc/t-vxworks: New files.
117         * config/sparc/sparc-protos.h (sparc_emit_call_insn): Declare.
118         * config/sparc/sparc.h: Include vxworks-dummy.h.
119         (PRINT_OPERAND_ADDRESS): Extend SYMBOL_REF handling to
120         include LABEL_REFs too.
121         * config/sparc/sparc.c (sparc_expand_move): Don't assume that
122         _GLOBAL_OFFSET_TABLE_ - label_ref is a link-time constant on
123         VxWorks.
124         (legitimize_pic_address): Handle LABEL_REFs like SYMBOL_REFs
125         on VxWorks.
126         (load_pic_register): Use gen_vxworks_load_got for VxWorks.
127         (sparc_emit_call_insn): New function.
128         (sparc_function_ok_for_sibcall): Restrict sibcalls to locally-binding
129         functions when generating VxWorks PIC.
130         * config/sparc/sparc.md (vxworks_load_got): New pattern.
131         (call, call_value): Use sparc_emit_call_insn instead of
132         emit_call_insn.
133
134 2007-05-09  Bob Wilson  <bob.wilson@acm.org>
135         
136         * config/xtensa/xtensa.c (xtensa_output_literal): Don't use #if.
137         
138 2007-05-09  Bob Wilson  <bob.wilson@acm.org>
139
140         * config/xtensa/xtensa.c (xtensa_output_literal): Mask out high bits
141         for floating-point values if HOST_BITS_PER_LONG > 32.  Use split_double
142         instead of operand_subword.
143
144 2007-05-08  Bernd Schmidt  <bernd.schmidt@analog.com>
145
146         * config/bfin/bfin.h (LOCAL_ALIGNMENT): Define.
147         * config/bfin/bfin.c (bfin_local_alignment): New function.
148         * config/bfin/bfin-protos.h (bfin_local_alignment): Declare it.
149
150 2007-05-08  Chao-ying Fu  <fu@mips.com>
151
152         * doc/md.texi (msub@var{m}@var{n}4, usub@var{m}@var{n}4): Document.
153         * optabs.h (OTI_smsub_widen, OTI_umsub_widen): New optab_indexes.
154         (smsub_widen_optab, umsub_widen_optab): Define.
155         * optabs.c (init_optabs): Initialize smsub_widen_optab and
156         umsub_widen_optab.
157         * genopinit.c (optabs): Fill in smsub_widen_optab and
158         umsub_widen_optab.
159         * expr.c (expand_expr_real_1): Try to use smsub_widen_optab
160         and umsub_widen_optab to implement multiply-subtract sequences.
161         * config/mips/mips.md (*msac<u>_di): Rename to...
162         (<u>msubsidi4): ...this.  Extend condition to include
163         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
164         of operand 0 to "ka" and use the three-operand form of msub<u>
165         for TARGET_DSPR2.
166         * config/mips/mips-dspr2.md (mips_msub, mips_msubu): Convert
167         to define_expands.
168
169 2007-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
170
171         PR rtl-optimization/28011
172         * reload.c (push_reload): Set dont_share if IN appears in OUT
173         also when IN is a PLUS rtx.
174         (reg_overlap_mentioned_for_reload_p): Return true if X and IN
175         are same PLUS rtx.
176
177 2007-05-08  Kazu Hirata  <kazu@codesourcery.com>
178
179         * emit-rtl.c (unshare_all_rtl_1): Don't copy DECL_RTL.  Don't
180         call unshare_all_decls.
181         (unshare_all_rtl): Adjust the call to unshare_all_rtl_1.
182         (unshare_all_decls): Remove.
183
184 2007-05-08  Simon Martin  <simartin@users.sourceforge.net>
185
186         PR 31847
187         * tree-dump.c (dump_options): Don't use TDF_DIAGNOSTIC in "*-all" tree
188         dumps.
189
190 2007-05-08  Sandra Loosemore  <sandra@codesourcery.com>
191             Nigel Stephens  <nigel@mips.com>
192
193         * config/mips/mips.h (MAX_FPRS_PER_FMT): Renamed from FP_INC.
194         Update comments and all uses.
195         (MIN_FPRS_PER_FMT): Define.
196         * config/mips/mips.c (function_arg): Fix to correctly handle
197         the -mips32r2 -mfp64 -mabi=32 case.
198         (override_options): Enable use of odd-numbered registers for
199         SFmode values on MIPS32.
200         (mips_save_reg_p): Save whole floating-point register pair if
201         either half is used.
202         (compute_frame_size): Fix comment.
203
204 2007-05-08  Jie Zhang  <jie.zhang@analog.com>
205
206         * config/bfin/bfin-protos.h (bfin_expand_epilogue): Add a third
207         argument of type bool.
208         * config/bfin/bfin.c (add_to_reg): Add epilogue_p as a fourth
209         argument. Safely select temporary P register according to it.
210         (do_link): Change call site of add_to_reg accordingly.
211         (do_unlink): Add epilogue_p as a fourth argument and pass it
212         to add_to_reg.
213         (expand_interrupt_handler_epilogue): Change call of do_unlink
214         accordingly.
215         (bfin_expand_prologue): Add a third argument sibcall_p.
216         * config/bfin/bfin.md (epilogue): Change call of
217         bfin_expand_epilogue accordingly.
218         (sibcall_epilogue): Likewise.
219         (eh_return_internal): Likewise.
220                 
221         * config/bfin/bfin-protos.h (enum bfin_cpu): Add
222         BFIN_CPU_BF534, BFIN_CPU_BF536 and BFIN_CPU_BF561.
223         * config/bfin/bfin.c (bfin_handle_option): Handle
224         -mcpu=bf534, -mcpu=bf536 and -mcpu=bf561.
225         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS):
226         Support bf534, bf536 and bf561.
227         * doc/invoke.texi (Blackfin Options): Document -mcpu and -msim.
228
229 2007-05-08  Uros Bizjak  <ubizjak@gmail.com>
230
231         PR target/31854
232         * config/i386/i386.c (ix86_function_regparm): Process local
233         functions only when TREE_CODE (decl) equals FUNCTION_DECL.
234         
235 2007-05-07  Mike Stump  <mrs@apple.com>
236
237         * doc/invoke.texi (Warning Options): Document that -Wempty-body
238         also checks for and while statements in C++.
239
240 2007-05-07  Nathan Froyd  <froydnj@codesourcery.com>
241
242         * gcc.c (at_file_supplied): New variable.
243         (main): Set it if we expanded argv.
244         (do_spec_1): Pass an @-file to the linker if we were called with
245         an @-file argument and HAVE_GNU_LD.
246         * collect2.c (at_file_supplied): New variable.
247         (response_file): New variable.
248         (collect_exit): Unlink response_file if necessary.
249         (handler): Likewise.
250         (do_wait): Likewise.
251         (main): Set at_file_supplied if we expanded argv.
252         (collect_execute): Pass an @-file to subprocesses if we were called
253         with an @-file argument.
254         * configure.ac: Add define for HAVE_GNU_LD.
255         * configure: Regenerate.
256         * config.in: Regenerate.
257
258 2007-05-07   Naveen.H.S  <naveen.hs@kpitcummins.com>
259
260         * config/m32c/muldiv.md (mulhisi3_c): Limit the mode of the 2nd
261         operand to HI mode.
262         (mulsi3): New.
263         (divsi3): New.
264         (udivsi3): New.
265
266 2007-05-07  Jayant Sonar  <jayants@kpitcummins.com>
267
268         * config/m32c/m32c.c (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
269         (TARGET_ENCODE_SECTION_INFO): Re-define.
270         (m32c_encode_section_info): New
271         (function_vector_handler): New
272         (current_function_special_page_vector): New
273         (m32c_special_page_vector_p): New.
274         * config/m32c/m32c-protos.h (m32c_special_page_vector_p): 
275         Prototype.
276         * config/m32c/jump.md: Added instruction JSRS for functions 
277         with attribute "function_vector".
278         * doc/extend.texi (function_vector): Added description 
279         for M16C, M32C targets.
280
281 2007-05-07  DJ Delorie  <dj@redhat.com>
282
283         PR 31794
284         * config/m32c/shift.md (ashlpsi3_i, ashrpsi3_i, ashlpsi3,
285         ashrpsi3, lshrpsi3): Update shift count constraint.
286
287 2007-05-07  Danny Smith  <dannysmith@users.sourceforge.net>
288             Nathan Froyd  <froydnj@codesourcery.com>
289
290         PR 22133
291         * c-incpath.c (add_path): Strip trailing path separators.
292
293 2007-05-07  Eric Botcazou  <ebotcazou@adacore.com>
294
295         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered.
296         Free dominance info before purging EH edges.
297         (eliminate_degenerate_phis): Likewise.
298         (propagate_rhs_into_lhs): Set cfg_altered to true instead of 1.
299
300 2007-05-07  Jan Hubicka  <jh@suse.cz>
301
302         * gimplify.c (gimplify_expr): Do not crash when folding
303         (void *)(int)&a + 4.
304
305 2007-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
306
307         PR driver/31694
308         * c-opts.c (lang_fortran): Make it non static.
309         * c-common.h (lang_fortran): New prototype.
310         * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the
311         -lang-fortran option was passed by the driver.
312
313 2007-05-06  Eric Botcazou  <ebotcazou@adacore.com>
314
315         * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
316         of ASSERT_CHECKING.  Tweak message.
317
318 2007-05-06  Revital Eres  <eres@il.ibm.com>
319
320         PR 30957
321         * loop-unroll.c (insert_var_expansion_initialization):
322         Initialize the expansions with -zero instead of +zero.
323
324 2007-05-05  Aurelien Jarno  <aurelien@aurel32.net>
325
326         * config/pa/pa.md: Split tgd_load, tld_load and tie_load
327         into pic and non-pic versions. Mark r19 as used for 
328         tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used 
329         for tgd_load, tld_load and tie_load .
330         * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
331         version of tgd_load, tld_load and tie_load depending on the 
332         value of flag_pic.
333
334 2007-05-04  Ulrich Drepper  <drepper@redhat.com>
335             Jakub Jelinek  <jakub@redhat.com>
336
337         * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
338         (__do_global_dtors_aux): Use more paranoid loop to run
339         destructors if HIDDEN_DTOR_LIST_END.
340         (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
341
342 2007-05-04  Jakub Jelinek  <jakub@redhat.com>
343
344         * varasm.c (align_variable): Don't increase alignment for
345         DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
346         DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
347
348 2007-05-04  Josh Conner  <jconner@apple.com>
349
350         * basic-block.h (cdi_direction): Assign values to all enumeration
351         constants.
352         (dom_computed): Remove.
353         (dom_info_state): New.
354         (set_dom_info_availability): New.
355         * tree-ssa-loop-im.c (determine_invariantness): Initialize
356         walk_data.dom_direction.
357         * cfghooks.c (delete_basic_block): Use dom_info_available_p()
358         instead of dom_computed[].
359         (split_edge): Likewise.
360         (create_basic_block): Likewise.
361         (merge_blocks): Likewise.
362         * ifcvt.c (find_if_header): Likewise.
363         * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
364         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
365         * tree-ssa.c (verify_ssa): Likewise.
366         * tree-cfg.c (tree_verify_flow_info): Likewise.
367         (remove_edge_and_dominated_blocks): Likewise.
368         * dominance.c (dom_computed): Make static.
369         (calc_dfs_tree_nonrec): Change third param to a bool.
370         (calc_dfs_tree): Change second param to a bool.
371         (calc_idioms): Change second param to a bool.  Use
372         dom_convert_dir_to_idx.
373         (init_dom_info): Validate dir before using.
374         (dom_convert_dir_to_idx): New.
375         (calculate_dominance_info): Use dom_convert_dir_to_idx.  New
376         variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
377         (free_dominance_info): Use dom_convert_dir_to_idx.
378         (get_immediate_dominator): Likewise.
379         (set_immediate_dominator): Likewise.
380         (get_dominated_by): Likewise.
381         (redirect_immediate_dominators): Likewise.
382         (nearest_common_denominator): Likewise.
383         (dominated_by_p): Likewise.
384         (bb_dom_dfs_in): Likewise.
385         (bb_dom_dfs_out): Likewise.
386         (recount_dominator): Likewise.
387         (iterate_fix_dominators): Likewise.
388         (add_to_dominance_info): Likewise.
389         (delete_from_dominance_info): Likewise.
390         (first_dom_son): Likewise.
391         (next_dom_son): Likewise.
392         (dom_info_available_p): Likewise.
393         (dom_info_state): New.
394         (set_dom_info_availability): New.
395
396 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
397
398         * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
399         Expander removed.
400         ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
401
402 2007-05-04  Bob Wilson  <bob.wilson@acm.org>
403         
404         * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
405         (subdi3, subdi_carry): Delete.
406         
407 2007-05-04  Jan Hubicka  <jh@suse.cz>
408             Richard Guenther  <rguenther@suse.de>
409
410         * opts.c (decode_options): Do not fiddle with inlining
411         parameters in case of optimizing for size.
412         * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
413         for size do nothing.
414         (cgraph_decide_inlining_of_small_function): When optimizing for
415         size never inline functions increasing caller size.
416         (cgraph_early_inlining): Inline for size when optimizing for size.
417
418 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
419
420         * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
421         logical operations piecewise.
422         (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
423         zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
424         subdi_sesidi_di): Delete.
425         (add_with_carry): Produce carry in CC instead of a DREG to shorten
426         the generated sequence.  Allow three-reg add in constraints.  Rewrite
427         the rtl expression for carry to avoid zero_extend of a constant.
428         (sub_with_carry): New pattern.
429         (adddi3, subdi3): Change into define_expand.  For subtract, generate a
430         different sequence not involving jumps.
431         (notbi): Now a named pattern.
432
433 2007-05-04  Bradley Lucier  <lucier@math.purdue.edu>
434
435         * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
436         Add the note about a significant loss of accuracy of some
437         mathematical routines when these options are used.
438
439 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
440
441         * haifa-sched.c (rtx_vec_t): New typedef.
442         (contributes_to_priority_p): Extract piece of priority () into new
443         static function.
444         (priority): Use the function.  Add assertion.
445         (rank_for_schedule, set_priorities): Add assertion to check that
446         insn's priority is initialized.
447         (clear_priorities, calc_priorities): Change signature.  Make it update
448         all relevant insns.  Update all callers ('add_to_speculative_block ()'
449         and 'create_block_check_twin ()').
450         * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
451         Add new field 'priority_status'.
452         (INSN_PRIORITY_STATUS): New macro.
453         (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
454
455 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
456
457         * sched-ebb.c (debug_ebb_dependencies): New static function.
458         (init_ready_list): Use it.
459
460         * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
461         with changed signature and 'debug_rgn_dependencies ()'.
462         (debug_rgn_dependencies): New static function.
463         (init_ready_list): Use it.
464         
465         * sched-int.h (debug_dependencies): Declare.
466
467 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
468
469         * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
470
471 2007-05-04  Dirk Mueller  <dmueller@suse.de>
472
473         * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
474
475 2007-05-03  Jan Hubicka  <jh@suse.cz>
476
477         * fold-const.c (fold_unary): Convert (T1)(X op Y) into ((T1)X op (T1)Y),
478         for pointer type in more cases than before.
479
480         * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
481
482         * tree-object-size.c (plus_expr_object_size): When operand size is
483         unknown, return unknown.
484
485 2007-05-03  Dirk Mueller  <dmueller@suse.de>
486
487         * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
488
489         * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
490         options.
491
492         * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
493
494 2007-05-03  Janis Johnson  <janis187@us.ibm.com>
495
496         * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
497
498 2007-05-03  Joseph Myers  <joseph@codesourcery.com>
499
500         * config/soft-fp/double.h, config/soft-fp/extended.h,
501         config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
502         config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
503         config/soft-fp/op-2.h, config/soft-fp/op-4.h,
504         config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
505         glibc CVS.
506
507 2007-05-03  Ian Lance Taylor  <iant@google.com>
508
509         * config/rs6000/rs6000.c (rs6000_override_options): Don't set
510         MASK_PPC_GFXOPT for 8540 or 8548.
511
512 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
513
514         * tree-vect-transform.c (vect_update_inits_of_drs): Use
515         vect_print_dump_info() to output debug information.
516
517 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
518
519         PR target/31768
520         * config/i386/i386.c (print_operand) ['z']: Output 'w' for
521         operands of size 2 when operand is not MEM_P.
522
523 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
524
525         PR tree-optimization/30565
526         * lambda-code.c (perfect_nestify): Fix updating of dominators.
527
528 2007-05-03  Bernd Schmidt  <bernd.schmidt@analog.com>
529
530         * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
531         (umulsi3_highpart): Use them.
532         * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
533         for final accumulator to D regisster tranfser.
534
535 2007-05-03  Dorit Nuzman  <dorit@il.ibm.com>
536
537         PR tree-optimization/31699
538         * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove wrong
539         code.
540         (vect_enhance_data_refs_alignment): Compute peel amount using 
541         TYPE_VECTOR_SUBPARTS instead of vf.     
542         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
543
544 2007-05-02  Brooks Moses  <brooks.moses@codesourcery.com>
545
546         PR bootstrap/31776
547         * system.h: Remove inclusion of double-int.h
548         * tree.h: Include double-int.h
549         * gengtype.c: Likewise
550         * cfgloop.h: Likewise
551         * Makefile.in: Adjust dependencies on double-int.h
552
553 2007-05-02  Eric Christopher  <echristo@apple.com>
554
555         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
556         -shared to -Zdynamiclib.
557
558 2007-05-02  Seongbae Park  <seongbae.park@gmail.com>
559
560         PR c++/31663
561         * c-common.c (strip_pointer_or_array_types): New function.
562         * c-common.h (strip_pointer_or_array_types): New function declaration.
563
564 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
565
566         PR tree-optimization/31771
567         * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
568
569 2007-05-02  Paul Brook  <paul@codesourcery.com>
570
571         * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
572
573 2007-05-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
574
575         PR middle-end/29715
576         * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
577         transformation.
578
579 2007-05-02  Nick Clifton  <nickc@redhat.com>
580
581         * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
582
583 2007-05-02  Richard Guenther  <rguenther@suse.de>
584
585         PR tree-optimization/31146
586         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
587         argument, single_use_p.  If we have a single use that is
588         a conversion to the definition rhs type, propagate that rhs.
589         (forward_propagate_addr_expr): Pass single_use_p argument
590         to forward_propagate_addr_expr_1.
591
592 2007-05-01  H.J. Lu  <hongjiu.lu@intel.com>
593
594         * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
595         variable.
596
597 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
598
599         * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
600         'AMD Family 10 core'.
601
602 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
603
604         * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
605         and athlon64-sse3 as improved versions of k8, opteron and athlon64
606         with SSE3 instruction set support.
607         * doc/invoke.texi: Likewise.
608
609 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
610
611         * config/i386/i386.c (override_options): Tuning 32-byte loop
612         alignment for amdfam10 architecture. Increasing the max loop
613         alignment to 24 bytes.
614
615 2007-05-01  Kazu Hirata  <kazu@codesourcery.com>
616
617         * config/m68k/constraints.md: New.
618         * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
619         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
620         EXTRA_CONSTRAINT): Remove.
621         * config/m68k/m68k.md: Include constraints.md.
622         * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
623
624 2007-05-01  Ian Lance Taylor  <iant@google.com>
625
626         PR tree-optimization/31739
627         * tree-vrp.c (vrp_val_is_max): New static function.
628         (vrp_val_is_min): New static function.
629         (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
630         copying the node.
631         (set_value_range): Use vrp_val_is_{max,min}.
632         (extract_range_from_assert): Likewise.
633         (extract_range_from_binary_expr): Likewise.
634         (extract_range_from_unary_expr): Likewise.
635         (dump_value_range, vrp_meet): Likewise.
636         (vrp_visit_phi_node): Likewise.
637         * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
638
639 2007-05-01  Mark Mitchell  <mark@codesourcery.com>
640
641         * config/i386/gmon-sol2.c (size_t): New type.
642         (intptr_t): Likewise.
643         (s_textsize): Declare as size_t.
644         (sbrk): Declare.
645         (monstartup): Use size_t for sizes.
646         (_mcount): Save and restore registers.
647         (internal_mcount): Pass 0 as the first argument to monstartup
648         in 64-bit mode.
649         (moncontrol): Convert pointer to appropriately sized integer
650         before passing to profil.
651
652 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
653
654         * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
655         __NO_FPRS__, not just if _SOFT_DOUBLE.
656         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
657         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
658         also for E500 double.
659         * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
660         suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
661         && !TARGET_FPRS).
662
663 2007-05-01  Richard Guenther  <rguenther@suse.de>
664
665         * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
666         is NULL.
667
668 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
669
670         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
671
672 2007-05-01  Jan Hubicka  <jh@suse.cz>
673
674         * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
675         invariant.
676
677 2007-05-01  Jan Hubicka  <jh@suse.cz>
678
679         * tree.h (maybe_fold_offset_to_component_ref): Remove.
680         (maybe_fold_offset_to_reference): Declare.
681         * fold-const.c (fold_unary): Do not fold
682         (type *)&A into &A->field_of_type_and_offset_0
683         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
684         size is unknown, give up.
685         (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
686         offsets.
687         (maybe_fold_offset_to_reference): New.
688         (maybe_fold_stmt_indirect): Use it.
689         (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
690         * gimplify.c (gimplify_conversion): Canonicalize conversions to
691         field references.
692         (gimplify_expr): Likewise for plus_expr.
693
694 2007-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
695
696         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
697         bsi_after_labels.  Always insert statements before bsi.
698         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
699         * predict.c (apply_return_prediction): Check for empty blocks.
700         * cfgexpand.c (lab_rtx_for_bb): New variable.
701         (label_rtx_for_bb): Do not create new tree labels.
702         (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
703         (tree_expand_cfg): Initialize lab_rtx_for_bb.
704         * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
705         creating edges.
706         (label_for_bb): Add field used.
707         (update_eh_label, main_block_label): Mark the label used.
708         (cleanup_dead_labels): Remove unused labels.
709
710 2007-05-01  Richard Guenther  <rguenther@suse.de>
711
712         * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
713         if it is not about to be set.
714         (get_value_range): Do not pre-allocate equiv bitmap.
715         (update_value_range): No need to clear equiv field.
716         (add_equivalence): Change prototype to get bitmap pointer.
717         Allocate bitmap here if it is not already.
718         (extract_range_from_assert): Do not allocate bitmap here.
719         Update callers to add_equivalence.
720         (extract_range_from_ssa_name): Likewise.
721         (get_vr_for_comparison): New static helper.
722         (compare_name_with_value): Handle NULL equiv bitmap by
723         peeling the first iteration of the comparison loop.
724         Use get_vr_for_comparison.
725         (compare_names): Handle NULL equiv bitmaps by using fake
726         ones.  Use get_vr_for_comparison.
727
728 2007-04-30  Brooks Moses  <brooks.moses@codesourcery.com>
729
730         * double-int.c (mpz_set_double_int): Moved from
731         tree-ssa-loop-niter.c.
732         (mpz_get_double_int): Likewise; also, add option to wrap
733         out-of-range integers.
734         * double-int.h: New prototypes for above.
735         * tree.c (get_static_type_bounds): Moved from
736         tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
737         TYPE_MAX_VALUE if they exist..
738         * tree.h: New prototype for above.
739         * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
740         get_type_bounds calls.
741         (mpz_set_double_int): Move to double-int.c.
742         (get_type_bounds): Move to tree.c, rename to
743         get_static_type_bounds.
744         (mpz_to_double_int): Move to double-int.c, rename to
745         mpz_get_double_int.
746
747 2007-04-30  Bob Wilson  <bob.wilson@acm.org>
748
749         * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
750         DIV0 exception can fall through to a normal return.
751
752 2007-04-30  Alexandre Oliva  <aoliva@redhat.com>
753
754         PR middle-end/22156
755         Temporarily revert:
756         2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
757         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
758         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
759         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
760         initialize align to silence bogus warning.
761         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
762         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
763         all_no_warning.
764         (struct sra_walk_fns): Remove use_all parameter from use.
765         (sra_hash_tree): Handle BIT_FIELD_REFs.
766         (sra_elt_hash): Don't hash bitfld blocks.
767         (sra_elt_eq): Skip them in parent compares as well.  Handle
768         BIT_FIELD_REFs.
769         (sra_walk_expr): Don't maintain or pass down use_all_p.
770         (scan_use): Remove use_all parameter.
771         (scalarize_use): Likewise.  Re-expand assignment to
772         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
773         output, and re-scalarize after output.  Don't mark anything
774         for no warning.
775         (scalarize_ldst): Adjust.
776         (scalarize_walk_gimple_modify_statement): Likewise.
777         (build_element_name_1): Handle BIT_FIELD_REFs.
778         (instantiate_element): Don't warn for any element whose parent
779         is used as a whole.
780         (instantiate_missing_elements_1): Return the sra_elt.
781         (canon_type_for_field): New.
782         (try_instantiate_multiple_fields): New.
783         (instantiate_missing_elemnts): Use them.
784         (mark_no_warning): Removed.
785         (generate_one_element_ref): Handle BIT_FIELD_REFs.
786         (REPLDUP, sra_build_elt_assignment): New.
787         (generate_copy_inout): Use them.
788         (generate_element_copy): Likewise.  Handle bitfld differences.
789         (generate_element_zero): Don't recurse for blocks.  Use
790         sra_build_elt_assignment.
791         (generate_one_element_int): Take elt instead of var.  Use
792         sra_build_elt_assignment.
793         (generate_element_init_1): Adjust.
794         (scalarize_use, scalarize_copy): Use REPLDUP.
795         (scalarize_ldst): Move assert before dereference.
796         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
797
798 2007-04-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
799
800         PR C++/31721
801         * tree.c (reconstruct_complex_type): Reconstruct a reference
802         correctly.
803         Also use the same mode for the pointer as the old pointer type.
804
805 2007-04-30  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
806
807         * doc/trouble.texi (Interoperation): Remove note about Ultrix
808         Fortran compiler.
809
810 2007-04-29  Zdenek Dvorak  <dvorakz@suse.cz>
811
812         PR rtl-optimization/31676
813         * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
814         (df_refs_record): Call it.
815
816 2007-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
817
818         * rtl.def (SS_ABS): New code.
819         * config/bfin/bfin.c (print_operand): New modifier 'v'.
820         (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
821         BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
822         BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
823         (bfin_init_builtins): Define them.
824         (bdesc_1arg, bdesc_2arg): Add some of them here, ...
825         (bfin_expand_builtin): ... and handle the others here.
826         * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
827         flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
828         (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
829         (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
830         operand is only HImode.
831
832 2007-04-29  Steven Bosscher  <steven@gcc.gnu.org>
833
834         * regclass.c (scan_one_insn): Remove splitting of
835         two address insns.
836
837 2007-04-28  Sandra Loosemore  <sandra@codesourcery.com>
838             Nigel Stephens  <nigel@mips.com>
839
840         * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
841
842 2007-04-28  Jan Hubicka  <jh@suse.cz>
843
844         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
845         insn_locators_alloc instead of insn_locators_initialize;
846         call reset_block_changes.
847         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
848         * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
849         * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
850         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
851         * config/score/score.c (th_output_mi_thunk): Likewise.
852         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
853         * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
854         tolerate uninitialized locator info.
855
856         Re-apply:
857         * function.c (init_function_start): Don't init line number info.
858         (expand_function_end): Update.
859         (reset_block_changes, record_block_change, finalize_block_changes,
860         check_block_change, free_block_changes): Kill.
861         * function.h (reset_block_changes, record_block_change,
862         finalize_block_changes, check_block_change, free_block_changes): Remove
863         prototypes.
864         (struct function): Remove ib_boundaries_block.
865         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
866         Use curr_insn_locator to initialize locator.
867         (emit_line_note): Remove.
868         * cfgexpand.c (expand_gimple_cond_expr): Update.
869         (construct_exit_block): Likewise.
870         (tree_expand_cfg): Initialize/finalize locators.
871         * expr.c (expand_expr_real): Update.
872         * cfglayout.c (line_locators_locs, line_locators_lines,
873         file_locators_locs, file_locators_files): Remove.
874         (set_block_levels): Move to cfgexpand.c.
875         (insn_locators_initialize): Remove.
876         (pass_insn_locators_initialize): Remove.
877         (locations_locators_locs, locations_locators_vals): New static vars.
878         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
879         Likewise.
880         (insn_locators_alloc, insn_locators_finalize,
881         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
882         New functions.
883         (locator_location): New.
884         (locator_line, locator_file): Rewrite.
885         * rtl.h (emit_line_note): Kill.
886         (insn_locators_alloc, insn_locators_finalize,
887         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
888         Declare.
889         * tree-inline.c (initialize_cfun): Do not initialize
890         ib_boundaries_block.
891         * passes.c (pass_insn_locators_initialize): Remove.
892
893 2007-04-28  Zdenek Dvorak  <dvorakz@suse.cz>
894
895         * tree-cfg.c (move_block_to_fn): Release bb from dominance
896         info.  Update last_basic_block correctly.
897
898 2007-04-27  Kaz Kojima  <kkojima@gcc.gnu.org>
899
900         PR target/31701
901         * config/sh/sh.c (output_stack_adjust): Avoid using the frame
902         register itself to hold the offset constant.  Tell flow the use
903         of r4 and r5 when they are used.
904
905 2007-04-27  Richard Guenther  <rguenther@suse.de>
906
907         * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
908         if we simplified anything.
909         (tree_ssa_forward_propagate_single_use_vars): Defer overflow
910         warnings until we did a simplification and the stmt was not
911         marked as TREE_NO_WARNING.
912
913 2007-04-27  Mike Stump  <mrs@apple.com>
914
915         * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
916
917 2007-04-27  Ian Lance Taylor  <iant@google.com>
918
919         PR middle-end/31710
920         * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
921         TYPE_MAX_VALUE exist, convert them to the new type.
922
923 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
924
925         * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
926         if it claims to be available.
927         * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
928         edge is redirected.
929         (perform_tree_ssa_dce): Always free postdominators.
930
931 2007-04-27  Richard Henderson  <rth@redhat.com>
932
933         * config/alpha/predicates.md (aligned_memory_operand): Mark
934         as define_special_predicate.
935         (unaligned_memory_operand, normal_memory_operand): Likewise.
936         (reg_or_unaligned_mem_operand): Remove.
937         (any_memory_operand): Match the documentation and check for
938         non-renumbered pseudos during reload.
939         * config/alpha/alpha.c (alpha_secondary_reload): Rename from
940         alpha_secondary_reload_class, update to new interface, make static.
941         Handle CQImode like HImode.  Remove FP subreg check.
942         (alpha_expand_mov): Use replace_equiv_address.
943         (alpha_expand_mov_nobwx): Use any_memory_operand.
944         (TARGET_SECONDARY_RELOAD): New.
945         * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
946         (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
947         * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
948         * config/alpha/alpha.md: ... here.
949         (RELOAD12, reloadmode): New.
950         (movcqi): New.
951         (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
952         Don't handle the aligned case here.
953         (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
954         (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
955         reload_inhi_help.  Don't expect a scratch register.
956         (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
957         reload_outhi_help.
958         * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
959
960 2007-04-27  Richard Guenther  <rguenther@suse.de>
961
962         * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
963
964 2007-04-27  Richard Guenther  <rguenther@suse.de>
965
966         PR tree-optimization/30965
967         PR tree-optimization/30978
968         * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
969         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
970         (find_equivalent_equality_comparison): Likewise.
971         (simplify_cond): Likewise.
972         (get_prop_source_stmt): New helper.
973         (get_prop_dest_stmt): Likewise.
974         (can_propagate_from): Likewise.
975         (remove_prop_source_from_use): Likewise.
976         (combine_cond_expr_cond): Likewise.
977         (forward_propagate_comparison): New function.
978         (forward_propagate_into_cond): Rewrite to use fold for
979         tree combining.
980         (tree_ssa_forward_propagate_single_use_vars): Call
981         forward_propagate_comparison to propagate comparisons.
982
983 2007-04-27  Richard Guenther  <rguenther@suse.de>
984
985         PR tree-optimization/31715
986         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
987         sure to do computation on the offset in an appropriate
988         signed type.
989
990 2007-04-27  Richard Sandiford  <richard@codesourcery.com>
991
992         * reload.h (elimination_target_reg_p): Declare.
993         * reload.c (find_reloads): Don't apply the reg_rtx move
994         optimization if the SET_DEST satisfies elimination_target_reg_p.
995         * reload1.c (elimination_target_reg_p): New function.
996         (gen_reload): In the move/add2 fallback, make sure that op0
997         does not overlap the destination register.
998
999 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
1000
1001         * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
1002         transform only GIMPLE_MODIFY_STMTs.
1003         * tree-complex.c (expand_complex_operations_1): Ditto.
1004         (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
1005         * tree-ssa-loop-manip.c (build_if_stmt): Removed.
1006         (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
1007         branches.
1008         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
1009         tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
1010         * omp-low.c (expand_parallel_call, expand_omp_for_generic,
1011         expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
1012         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
1013         slpeel_add_loop_guard): Ditto.
1014         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
1015         * lambda-code.c (perfect_nestify): Ditto.
1016         * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
1017         before the first statement.
1018         * tree-optimize.c (execute_free_datastructures): Fix comments.
1019         (execute_free_cfg_annotations): Do not call disband_implicit_edges.
1020         * tree-flow.h (disband_implicit_edges): Declaration removed.
1021         * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
1022         branches.
1023         (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
1024         without gotos.
1025         (disband_implicit_edges, has_label_p): Removed.
1026         (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
1027         (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
1028         branches.
1029         * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
1030         side effects.
1031         * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
1032         also for COND_EXPRs.
1033         * cfgexpand.c (label_rtx_for_bb): New function.
1034         (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
1035         Use label_rtx_for_bb to find the labels.
1036         (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
1037         last block.  Detect fallthru edges.
1038
1039 2007-04-26  Ian Lance Taylor  <iant@google.com>
1040
1041         PR target/28675
1042         * reload.c (find_reloads_subreg_address): If the address was valid
1043         in the original mode but not in the new mode, reload the whole
1044         address.
1045
1046 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
1047
1048         * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
1049         (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
1050         (cleanup_control_expr_graph): Do not invalidate dominance info.
1051         Record altered blocks.
1052         (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
1053         (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
1054         cleanup_tree_cfg_bb): New functions.
1055         (remove_forwarder_block): Do not maintain the worklist of blocks.
1056         Record altered blocks.
1057         (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
1058         not over whole cfg.
1059         (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1.  Only call
1060         delete_unreachable_blocks if dominators are not available.
1061         * tree-inline.c (optimize_inline_calls): Free dominance information
1062         earlier.
1063         * tree-flow.h (remove_edge_and_dominated_blocks,
1064         cfgcleanup_altered_bbs): Altered.
1065         * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
1066         blocks.
1067         (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
1068         functions.
1069         (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
1070         do not invalidate dominators.
1071
1072 2007-04-26  Anatoly Sokolov <aesok@post.ru>
1073
1074         * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
1075         ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
1076         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1077         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1078
1079 2007-04-26  Steve Ellcey  <sje@cup.hp.com>
1080
1081         * config/ia64/ia64.md (ip_value):  Fix itanium_class attribute.
1082
1083 2007-04-26  Richard Guenther  <rguenther@suse.de>
1084
1085         PR tree-optimization/31703
1086         * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
1087         the right type for the target of the bittest.
1088
1089 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
1090
1091         * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
1092         ix86_sol10_return_in_memory.
1093
1094 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
1095
1096         * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
1097         variables.
1098
1099 2007-04-26  Jakub Jelinek  <jakub@redhat.com>
1100
1101         PR c++/31598
1102         * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
1103
1104         PR tree-optimization/30558
1105         * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
1106         clear this_state.prev_try.
1107
1108 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
1109             Mark Mitchell  <mark@codesourcery.com>
1110
1111         * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
1112         * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
1113         * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
1114
1115 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
1116
1117         PR driver/31107
1118         * doc/invoke.texi (%:print-asm-header): Document.
1119         * gcc.c (asm_options): Use %:print-asm-header() for --target-help
1120         and -ftarget-help.
1121         (static_spec_functions): Add print-asm-header.
1122         (main): Print a banner before the --target-help linker options.
1123         (print_asm_header_spec_function): New function.
1124
1125 2007-04-25  Kaz Kojima  <kkojima@gcc.gnu.org>
1126
1127         PR target/31403
1128         * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
1129         (movsf_ie): Likewise.
1130
1131 2007-04-25  Paolo Carlini  <pcarlini@suse.de>
1132
1133         * doc/extend.texi ([Type Traits]): Adjust per N2255.
1134
1135 2007-04-25  Bob Wilson  <bob.wilson@acm.org>
1136
1137         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception
1138         for divide-by-zero.
1139         (__umodsi3, __modsi3): Likewise.
1140
1141 2007-04-25  Dirk Mueller  <dmueller@suse.de>
1142
1143         * c-typeck.c (build_compound_expr): Annotate warning()
1144         call with OPT_Wunused_value.
1145         * tree-ssa.c (warn_uninit): Annotate warning with
1146         OPT_Wunintialized.
1147         * c-common.c (handle_sentinel_attribute): Annotate warning
1148         call with OPT_Wattributes.
1149
1150 2007-04-25  Thiemo Seufer  <ths@mips.com>
1151
1152         * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
1153         (mips16): Fix typo.
1154         * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
1155         on to the assembler.  Improve handling of -mno-mips16.  Add handling
1156         of -mno-mips3d, -mno-dsp, -mno-dspr2.
1157         * doc/invoke.texi (MIPS Options): Whitespace cleanup.  Fix wrong use
1158         of @itemx.  Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
1159         -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
1160
1161 2007-04-25  Danny Smith  <dannysmith.users.sourceforge.net>
1162
1163         PR target/31680
1164         * config/i386/winnt.c (i386_pe_file_end): Strip only
1165         USER_LABEL_PREFIX when writing export name.
1166
1167 2007-04-25  Richard Sandiford  <richard@codesourcery.com>
1168
1169         * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h.  Include
1170         sh/elf.h, vx-common.h and vxworks.h.
1171         * config/sh/sh.h: Include config/vxworks-dummy.h.
1172         (SUBTARGET_OVERRIDE_OPTIONS): Define.
1173         (OVERRIDE_OPTIONS): Use it.
1174         * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
1175         (vxworks_picreg): New pattern.
1176         * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
1177         VXWORKS_OS_CPP_BUILTINS.
1178         (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
1179         to their VXWORKS_* equivalents.
1180         (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
1181         (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
1182         * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
1183         (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
1184         * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
1185         -mrtp/-fPIC multilibs.
1186         (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
1187         (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
1188         (MULTILIB_OSDIRNAMES): Delete.
1189
1190 2007-04-25  Anatoly Sokolov <aesok@post.ru>
1191
1192         PR target/18989
1193         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
1194
1195 2007-04-24  Brooks Moses  <brooks.moses@codesourcery.com>
1196
1197         * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
1198         rounding mode to be specified by the caller.
1199         (real_to_mpfr) Likewise.
1200         * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
1201         include new arguments.
1202         * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
1203
1204 2007-04-24  Ian Lance Taylor  <iant@google.com>
1205
1206         PR tree-optimization/31605
1207         * tree-vrp.c (set_value_range): Check that min and max are not
1208         both overflow infinities.
1209         (set_value_range_to_value): New static function.
1210         (extract_range_from_binary_expr): Call set_value_range_to_value.
1211         (extract_range_from_cond_expr): Likewise.
1212         (extract_range_from_expr): Likewise.
1213         (extract_range_from_unary_expr): Likewise.  Don't create a range
1214         which overflows on both sides.
1215         (vrp_meet): Check for a useless range.
1216         (vrp_visit_phi_node): If we see a constant which looks like an
1217         overflow infinity, turn off the TREE_OVERFLOW flag.
1218
1219 2007-04-24  Ian Lance Taylor  <iant@google.com>
1220
1221         * flow.c (elim_reg_cond): Handle a comparison of a subreg.
1222
1223 2007-04-24  Simon Martin  <simartin@users.sourceforge.net>
1224
1225         PR diagnostic/25923
1226         * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
1227         diagnostic message is being built.
1228         * tree-pretty-print.c (dump_generic_node): Only write the
1229         formatted text into BUFFER's stream if we are not building a
1230         diagnostic message.
1231         * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
1232         dump_generic_node.
1233         * Makefile.in (toplev.o): Depend on tree-pass.h.
1234
1235 2007-04-24  Ian Lance Taylor  <iant@google.com>
1236
1237         PR tree-optimization/31602
1238         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
1239         conditionals in the copied loop header.
1240         * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
1241         warnings if TREE_NO_WARNING is set.
1242         * doc/invoke.texi (Warning Options): Clarify that
1243         -Wstrict-overflow does not warn about loops.
1244
1245 2007-04-24  Janis Johnson  <janis187@us.ibm.com>
1246
1247         * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
1248         expand on the comment about _Decimal128 arguments and check the
1249         integer result of the modulus operation; for 64-bit ELF ABI, ensure
1250         that _Decimal128 argument uses even/odd register pair.
1251         (function_arg): Ditto.
1252
1253 2007-04-24  Hui-May Chang <hm.chang@apple.com>
1254
1255         * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
1256         instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
1257
1258 2007-04-24  Richard Guenther  <rguenther@suse.de>
1259             Olga Golovanevsky  <olga@il.ibm.com>
1260
1261         * fold-const.c (multiple_of_p): Check for bottom
1262         to be zero.
1263
1264 2007-04-24  Richard Henderson  <rth@redhat.com>
1265
1266         * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
1267         IS_IBM_EXTENDED.  Also define in terms of WIDEST_HARDWARE_FP_SIZE.
1268         * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
1269         looking for non-zero bits shifted out.  Avoid a recursive call
1270         when constructing the scalar.
1271         (__floatundisf): Likewise.
1272
1273 2007-04-24  Nathan Froyd  <froydnj@codesourcery.com>
1274
1275         * dwarf2out.c (field_byte_offset): Move the existing logic
1276         under the control of PCC_BITFIELD_TYPE_MATTERS and just use
1277         the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
1278
1279 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
1280
1281         PR target/31641
1282         * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
1283         argument of 0 for memset.
1284         (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
1285         unsigned shift instead of the signed variant.
1286
1287 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
1288
1289         * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
1290         "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
1291         "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
1292         "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1293         "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
1294         "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
1295         "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
1296         "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
1297         "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
1298         ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
1299         "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
1300         "mul<mode>3", "div<mode>3"): Insn definitions added.
1301         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
1302         "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
1303         to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
1304         ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
1305         "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
1306         "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
1307         ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
1308         * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
1309         TARGET_FLOAT_FORMAT): Macro definitions removed.
1310         (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
1311         * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
1312         z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
1313         (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
1314         (s390_gen_rtx_const_DI): Function removed.
1315         * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
1316
1317 2007-04-24  Richard Sandiford  <richard@codesourcery.com>
1318
1319         * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
1320         over an external ffs function.
1321
1322 2007-04-24  Chao-ying Fu  <fu@mips.com>
1323             Richard Sandiford  <richard@nildram.co.uk>
1324
1325         * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
1326         * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
1327         (smadd_widen_optab, umadd_widen_optab): Define.
1328         * optabs.c (init_optabs): Initialize smadd_widen_optab and
1329         umadd_widen_optab.
1330         * genopinit.c (optabs): Fill in smadd_widen_optab and
1331         umadd_widen_optab.
1332         * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
1333         and umadd_widen_optab to implement multiply-add sequences.
1334         * config/mips/mips.md (*<su>mul_acc_di): Rename to...
1335         (<u>maddsidi4): ...this.  Extend condition to include
1336         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
1337         of operand 0 to "ka" and use the three-operand form of madd<u>
1338         for TARGET_DSPR2.
1339         * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
1340         to define_expands.
1341         * config/mips/constraints.md (ka): New register constraint.
1342
1343 2007-04-24  Jan Hubicka  <j@suse.cz>
1344
1345         Revert:
1346
1347         2007-04-23  Jan Hubicka  <jh@suse.cz>
1348         * function.c (init_function_start): Don't init line number info.
1349         (expand_function_end): Update.
1350         (reset_block_changes, record_block_change, finalize_block_changes,
1351         check_block_change, free_block_changes): Kill.
1352         * function.h (reset_block_changes, record_block_change,
1353         finalize_block_changes, check_block_change, free_block_changes): Remove
1354         prototypes.
1355         (struct function): Remove ib_boundaries_block.
1356         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1357         Use curr_insn_locator to initialize locator.
1358         (emit_line_note): Remove.
1359         * cfgexpand.c (expand_gimple_cond_expr): Update.
1360         (construct_exit_block): Likewise.
1361         (tree_expand_cfg): Initialize/finalize locators.
1362         * expr.c (expand_expr_real): Update.
1363         * cfglayout.c (line_locators_locs, line_locators_lines,
1364         file_locators_locs, file_locators_files): Remove.
1365         (set_block_levels): Move to cfgexpand.c.
1366         (insn_locators_initialize): Remove.
1367         (pass_insn_locators_initialize): Remove.
1368         (locations_locators_locs, locations_locators_vals): New static vars.
1369         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1370         Likewise.
1371         (insn_locators_alloc, insn_locators_finalize,
1372         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1373         New functions.
1374         (locator_location): New.
1375         (locator_line, locator_file): Rewrite.
1376         * rtl.h (emit_line_note): Kill.
1377         (insn_locators_alloc, insn_locators_finalize,
1378         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1379         Declare.
1380         * tree-inline.c (initialize_cfun): Do not initialize
1381         ib_boundaries_block.
1382         * passes.c (pass_insn_locators_initialize): Remove.
1383
1384 2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
1385
1386         * doc/invoke.texi: Removed leading '-' from option index entries.
1387
1388 2007-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
1389
1390         * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
1391         Use phi_nodes_ptr.
1392         (create_phi_node): Use set_phi_nodes.
1393         * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
1394         * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
1395         (combine_blocks):  Use bb_stmt_list and set_bb_stmt_list.
1396         * tree-flow-inline.h (phi_nodes, set_phi_nodes,
1397         (bsi_start, bsi_last): Use bb_stmt_list.
1398         (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
1399         * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
1400         Traverse the statements using tsi iterator.
1401         * basic-block.h (struct basic_block_def): Fields stmt_list
1402         and phi_nodes moved to ...
1403         (struct tree_bb_info): ... new structure.
1404         * tree-cfg.c (create_bb): Allocate il.tree.  Use set_bb_stmt_list.
1405         (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
1406         (remove_bb): Handle blocks with NULL stmt list.  Clear il.tree field.
1407         (tree_verify_flow_info): Verify that il.tree is not set for
1408         entry and exit block.
1409         (tree_split_block): Use set_bb_stmt_list.
1410
1411 2007-04-23  Mike Stump  <mrs@apple.com>
1412
1413         * config/i386/i386.c (ix86_tune_features
1414         [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
1415         nocona and core2.
1416
1417 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
1418
1419         * config/i386/i386.md (prefix_extra): New attribute.
1420         (length): Add prefix_extra.
1421
1422         * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
1423         (sse2_movntv2di): Likewise.
1424         (sse2_cvtps2dq): Likewise.
1425         (sse2_cvtpd2pi): Likewise.
1426         (sse2_cvttpd2pi): Likewise.
1427         (*sse2_cvtpd2ps): Likewise.
1428         (*add<mode>3): Likewise.
1429         (sse2_ssadd<mode>3): Likewise.
1430         (sse2_usadd<mode>3): Likewise.
1431         (*sub<mode>3): Likewise.
1432         (sse2_sssub<mode>3): Likewise.
1433         (sse2_ussub<mode>3): Likewise.
1434         (*mulv8hi3): Likewise.
1435         (*smulv8hi3_highpart): Likewise.
1436         (*umulv8hi3_highpart): Likewise.
1437         (sse2_umulv2siv2di3): Likewise.
1438         (sse2_pmaddwd): Likewise.
1439         (ashr<mode>3): Likewise.
1440         (lshr<mode>3): Likewise.
1441         (ashl<mode>3): Likewise.
1442         (sse2_ashlti3): Likewise.
1443         (sse2_lshrti3): Likewise.
1444         (*umaxv16qi3): Likewise.
1445         (*smaxv8hi3): Likewise.
1446         (*uminv16qi3): Likewise.
1447         (*sminv8hi3): Likewise.
1448         (sse2_eq<mode>3): Likewise.
1449         (sse2_gt<mode>3): Likewise.
1450         (*and<mode>3): Likewise.
1451         (sse2_nand<mode>3): Likewise.
1452         (*ior<mode>3): Likewise.
1453         (*xor<mode>3): Likewise.
1454         (sse2_packsswb): Likewise.
1455         (sse2_packssdw): Likewise.
1456         (sse2_packuswb): Likewise.
1457         (sse2_punpckhbw): Likewise.
1458         (sse2_punpcklbw): Likewise.
1459         (sse2_punpckhwd): Likewise.
1460         (sse2_punpcklwd): Likewise.
1461         (sse2_punpckhdq): Likewise.
1462         (sse2_punpckldq): Likewise.
1463         (sse2_punpckhqdq): Likewise.
1464         (sse2_punpcklqdq): Likewise.
1465         (*sse2_pinsrw): Likewise.
1466         (*sse2_pextrw): Likewise.
1467         (sse2_pshufd_1): Likewise.
1468         (sse2_uavgv16qi3): Likewise.
1469         (sse2_uavgv8hi3): Likewise.
1470         (sse2_psadbw): Likewise.
1471         (sse2_pmovmskb): Likewise.
1472         (*sse2_maskmovdqu): Likewise.
1473         (*sse2_maskmovdqu_rex64): Likewise.
1474         (sse4a_extrqi): Likewise.
1475         (sse4a_extrq): Likewise.
1476         (sse3_lddqu): Set prefix_rep.
1477         (sse3_addsubv4sf3): Likewise.
1478         (sse3_haddv4sf3): Likewise.
1479         (sse3_hsubv4sf3): Likewise.
1480         (sse_cvtss2si): Likewise.
1481         (sse_cvtss2si_2): Likewise.
1482         (sse_cvtss2siq): Likewise.
1483         (sse_cvtss2siq_2): Likewise.
1484         (sse_cvttss2si): Likewise.
1485         (sse_cvttss2siq): Likewise.
1486         (sse2_cvttps2dq): Likewise.
1487         (sse3_movshdup): Likewise.
1488         (sse3_movsldup): Likewise.
1489         (sse2_cvtsd2si): Likewise.
1490         (sse2_cvtsd2si_2): Likewise.
1491         (sse2_cvtsd2siq): Likewise.
1492         (sse2_cvtsd2siq_2): Likewise.
1493         (sse2_cvttsd2si): Likewise.
1494         (sse2_cvttsd2siq): Likewise.
1495         (*sse2_cvtpd2dq): Likewise.
1496         (*sse2_cvttpd2dq): Likewise.
1497         (sse2_pshuflw_1): Likewise.
1498         (sse2_pshufhw_1): Likewise.
1499         (sse4a_insertqi): Likewise.
1500         (sse4a_insertq): Likewise.
1501         (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
1502         (ssse3_phadddv4si3): Likewise.
1503         (ssse3_phaddswv8hi3): Likewise.
1504         (ssse3_phsubwv8hi3): Likewise.
1505         (ssse3_phsubdv4si3): Likewise.
1506         (ssse3_phsubswv8hi3): Likewise.
1507         (ssse3_pmaddubswv8hi3): Likewise.
1508         (ssse3_pmulhrswv8hi3): Likewise.
1509         (ssse3_pshufbv16qi3): Likewise.
1510         (ssse3_psign<mode>3): Likewise.
1511         (ssse3_palignrti): Likewise.
1512         (abs<mode>2): Likewise.
1513         (ssse3_phaddwv4hi3): Set prefix_extra.
1514         (ssse3_phadddv2si3): Likewise.
1515         (ssse3_phaddswv4hi3): Likewise.
1516         (ssse3_phsubwv4hi3): Likewise.
1517         (ssse3_phsubdv2si3): Likewise.
1518         (ssse3_phsubswv4hi3): Likewise.
1519         (ssse3_pmaddubswv4hi3): Likewise.
1520         (ssse3_pmulhrswv4hi3): Likewise.
1521         (ssse3_pshufbv8qi3): Likewise.
1522         (ssse3_psign<mode>3): Likewise.
1523         (ssse3_palignrdi): Likewise.
1524         (abs<mode>2): Likewise.
1525         (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
1526         (*vec_dupv2df): Set mode to V2DF instead of V4SF.
1527         (sse2_pmovmskb): Set mode to SI instead of V2DF.
1528
1529 2007-04-23  Nick Clifton  <nickc@redhat.com>
1530
1531         * params.def: Fix formatting of emacs local variables.
1532
1533 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
1534
1535         * config/i386/sse.md (sse2_stored): Don't split to inter-unit
1536         move if inter-unit move isn't allowed.
1537         Don't split moving the first element of V2DI to DI to inter-unit
1538         move if inter-unit move isn't allowed.
1539
1540 2007-04-23  Richard Guenther  <rguenther@suse.de>
1541
1542         * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
1543         and CDI_POST_DOMINATORS separately.
1544
1545 2007-04-23  Nick Clifton  <nickc@redhat.com>
1546
1547         * c.opt (Wformat-contains-nul): Add warning attribute.
1548
1549 2007-04-23  Jan Hubicka  <jh@suse.cz>
1550
1551         * function.c (init_function_start): Don't init line number info.
1552         (expand_function_end): Update.
1553         (reset_block_changes, record_block_change, finalize_block_changes,
1554         check_block_change, free_block_changes): Kill.
1555         * function.h (reset_block_changes, record_block_change,
1556         finalize_block_changes, check_block_change, free_block_changes): Remove
1557         prototypes.
1558         (struct function): Remove ib_boundaries_block.
1559         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1560         Use curr_insn_locator to initialize locator.
1561         (emit_line_note): Remove.
1562         * cfgexpand.c (expand_gimple_cond_expr): Update.
1563         (construct_exit_block): Likewise.
1564         (tree_expand_cfg): Initialize/finalize locators.
1565         * expr.c (expand_expr_real): Update.
1566         * cfglayout.c (line_locators_locs, line_locators_lines,
1567         file_locators_locs, file_locators_files): Remove.
1568         (set_block_levels): Move to cfgexpand.c.
1569         (insn_locators_initialize): Remove.
1570         (pass_insn_locators_initialize): Remove.
1571         (locations_locators_locs, locations_locators_vals): New static vars.
1572         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1573         Likewise.
1574         (insn_locators_alloc, insn_locators_finalize,
1575         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1576         New functions.
1577         (locator_location): New.
1578         (locator_line, locator_file): Rewrite.
1579         * rtl.h (emit_line_note): Kill.
1580         (insn_locators_alloc, insn_locators_finalize,
1581         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1582         Declare.
1583         * tree-inline.c (initialize_cfun): Do not initialize
1584         ib_boundaries_block.
1585         * passes.c (pass_insn_locators_initialize): Remove.
1586
1587 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1588
1589         PR middle-end/31448
1590         * expr.c (reduce_to_bit_field_precision): Handle
1591         CONST_INT rtx's.
1592
1593 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
1594
1595         PR tree-optimization/24659
1596         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
1597         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
1598         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
1599         * genopinit.c (optabs): Rename vec_pack_mod_optab
1600         to vec_pack_trunc_optab.
1601         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
1602         early for scalar floating point operands for NOP_EXPR.
1603         (vectorizable_type_promotion): Ditto.
1604         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
1605         vec_pack_trunc_optab.
1606         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
1607
1608         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
1609         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
1610         Rename from VEC_PACK_MOD_EXPR.
1611         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
1612         * expr.c (expand_expr_real_1): Ditto.
1613         * tree-inline.c (estimate_num_insns_1): Ditto.
1614         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
1615
1616         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
1617         (vec_unpacks_lo_v4sf): Ditto.
1618         (vec_pack_trunc_v2df): Ditto.
1619         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
1620         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1621         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
1622
1623         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
1624         vec_pack_mod_v8hi.
1625         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1626
1627         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
1628         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
1629         packing of floating point operands.
1630         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
1631         represent unpacking of floating point operands.
1632         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
1633         [vec_unpacks_hi]: Ditto.
1634         [vec_unpacks_lo]: Ditto.
1635
1636 2007-04-22  Jan Hubicka  <jh@suse.cz>
1637
1638         * final.c (rest_of_handle_final): Call
1639         targetm.asm_out.constructor/targetm.asm_out.destructor
1640         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
1641         proper priority via decl_*_priority_insert.
1642         * c-common.c (c_expand_body): Likewise.
1643
1644 2007-04-22  Richard Guenther  <rguenther@suse.de>
1645
1646         PR tree-optimization/29789
1647         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
1648         (rewrite_reciprocal): New helper split out from
1649         determine_invariantness_stmt.
1650         (rewrite_bittest): Likewise.
1651         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
1652         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
1653         is not.
1654
1655 2007-04-22  Revital Eres  <eres@il.ibm.com>
1656
1657         * loop-unroll.c (var_to_expand): New field to support also
1658         insns of the form x = something + x.
1659         (analyze_insn_to_expand_var): Use it.
1660         (expand_var_during_unrolling): Likewise.
1661
1662 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
1663
1664         * predict.c: Include pointer-set.h.
1665         (bb_predictions): New variable.
1666         (tree_predicted_by_p, tree_predict_edge,
1667         remove_predictions_associated_with_edge): Use bb_predictions map
1668         instead of bb->predictions.
1669         (clear_bb_predictions, assert_is_empty): New functions.
1670         (combine_predictions_for_bb): Use bb_predictions map.  Call
1671         clear_bb_predictions.
1672         (tree_estimate_probability): Create and free bb_predictions map.
1673         * Makefile.in (predict.o): Add pointer-set.h dependency.
1674         * basic-block.h (struct basic_block_def): Remove predictions
1675         field.
1676         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
1677
1678 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
1679
1680         PR target/31480
1681         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
1682         is null.
1683
1684 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1685
1686         * timevar.c (timevar_print): Change reference of --disable-checking to
1687         --enable-checking=release.  Also warn if assert checking is disabled.
1688
1689 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1690
1691         PR C/30265
1692         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
1693         decl as addressable if the compound literal was marked as
1694         addressable.
1695         Mark the decl as a gimple register if it is a complex or
1696         vector decl and does not live in memory.
1697
1698 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1699
1700         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
1701         (GENERIC_NEXT): New function macro.
1702         (PHI_CHAIN): Use phi_node's new chain variable.
1703         (tree_phi_node): Change tree_common to tree_base
1704         and add the chain field.
1705         * tree-phinodes.c (make_phi_node): Don't set
1706         TREE_TYPE on the new node.
1707         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
1708         instead of checking GIMPLE_TUPLE_P in chain_next.
1709         * tree-vect-transform.c
1710         (get_initial_def_for_induction): Look at
1711         PHI_RESULT_TREE for the type of the phi node.
1712         (update_vuses_to_preheader): Use PHI_CHAIN
1713         instead of TREE_CHAIN on the phi node.
1714         * tree-ssa-structalias.c (compute_points_to_sets):
1715         Likewise.
1716         (ipa_pta_execute): Likewise.
1717
1718 2007-04-21  Richard Guenther  <rguenther@suse.de>
1719
1720         PR middle-end/31136
1721         * fold-const.c (fold_unary): Call fold_convert_const on the
1722         original tree.
1723
1724 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
1725
1726         * gcse.c (store_killed_in_insn): Handle PARALLELs.
1727         (store_killed_in_pat): New.
1728
1729 2007-04-20  Richard Henderson  <rth@redhat.com>
1730
1731         PR target/31628
1732         * config/i386/i386.c (type_has_variadic_args_p): Look for any
1733         TREE_LIST with a void_type_node value, not void_list_node exactly.
1734
1735 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
1736
1737         * doc/standards.texi: Re-arrange into language-specific
1738         subsections. Add a C++ section, documenting which standards we
1739         support.
1740
1741 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
1742
1743         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
1744         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
1745
1746 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
1747
1748         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
1749         ecrti.o and crtbegin.o.
1750         (LIB_DEFAULT_SPEC): Include -lc.
1751         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
1752
1753 2007-04-20  Richard Henderson  <rth@redhat.com>
1754
1755         PR target/28623
1756         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
1757         argument; update all callers.
1758         (get_unaligned_offset): New.
1759         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
1760         get_unaligned_address, just pass on the address directly.
1761         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
1762         the subreg in the helper patterns.
1763         (unaligned_extendqidi_le): Use get_unaligned_offset.
1764         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
1765         (unaligned_extendhidi_be): Likewise.
1766         (unaligned_extendhidi): Tidy.
1767         * config/alpha/alpha-protos.h: Update.
1768
1769 2007-04-20  Richard Henderson  <rth@redhat.com>
1770
1771         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
1772         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
1773         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
1774         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1775         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1776         (CPP_SPEC): Don't include %(cpp_subtarget).
1777         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
1778         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1779         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
1780
1781 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
1782
1783         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
1784         for __builtin_ia32_cmpordss.
1785
1786         PR tree-optimization/31632
1787         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
1788         and arg1 for optimizations of comparison against min/max values.
1789         Fold arg0 to arg1's type for optimizations of comparison against
1790         min+1 and max-1 values.
1791
1792 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
1793
1794         * reload.c (combine_reloads): When trying to use a dying register,
1795         check whether it's uninitialized and don't use if so.
1796
1797 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
1798
1799         * fold-const.c: Remove prototypes for native_encode_expr and
1800         native_interpret_expr.
1801         (native_encode_expr): Make non-static.
1802         (native_interpret_expr): Likewise.
1803         * tree.h: Add prototypes for the above.
1804
1805 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
1806
1807         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
1808         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
1809         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
1810         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
1811         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
1812         Add length attributes.
1813
1814 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
1815
1816         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
1817         not that it is 1.
1818
1819         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
1820         __STDC_WANT_DEC_FP__.
1821
1822 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
1823
1824         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
1825         for long double compatibility.
1826         * configure: Regenerate.
1827
1828 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
1829
1830         PR rtl-optimization/29841
1831         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
1832         trap instructions.
1833         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
1834         that may cause control flow transfer from being moved.
1835
1836 2007-04-18  Jan Hubicka  <jh@suse.cz>
1837
1838         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
1839         types.
1840
1841 2007-04-18  Eric Christopher  <echristo@apple.com>
1842
1843         * config/rs6000/darwin.md (load_macho_picbase): Use link register
1844         only. Update operands.
1845         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
1846         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
1847         link register to pic register.
1848
1849 2007-04-18  Dirk Mueller  <dmueller@suse.de>
1850
1851         PR diagnostic/31227
1852         * tree-vrp.c (search_for_addr_array): New.
1853         (check_array_bounds): Suppress warning about
1854         address taken of array refs if its not de-referenced.
1855
1856 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1857
1858         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
1859         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
1860
1861         * tree-vectorizer.h (NITERS_KNOWN_P): New.
1862         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
1863         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
1864
1865         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
1866         dump print.
1867         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
1868         print message.
1869         (vect_analyze_scalar_cycles): Fix indentation.
1870         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
1871         (vect_mark_relevant): Include phis in relevance analysis.
1872
1873         * tree-vect-transform.c (vect_transform_loop): Add an assert.
1874
1875 2007-04-18  Anatoly Sokolov <aesok@post.ru>
1876
1877         * config/avr/avr.c (ptrreg_to_str): Replace error() with
1878         output_operand_lossage().
1879
1880 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1881
1882         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
1883         the unused code for reduction without adjust-in-epilog to simplify the
1884         function.
1885
1886 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
1887
1888         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
1889         (S390_TDC_NEGATIVE_ZERO): New constant.
1890         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
1891         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
1892         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
1893         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
1894         (S390_TDC_POSITIVE_INFINITY): New constant.
1895         (S390_TDC_NEGATIVE_INFINITY): New constant.
1896         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
1897         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
1898         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
1899         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
1900         (S390_TDC_INFINITY): New constant.
1901         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
1902         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
1903         optimization for UNSPEC_CCZ_TO_INT.
1904         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
1905         ("*ccz_to_int"): New insn.
1906         ("isinf<mode>2"): New insn.
1907         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
1908         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
1909         (UNSPEC_CCZ_TO_INT): New constant.
1910
1911 2007-04-18  Richard Guenther  <rguenther@suse.de>
1912
1913         PR tree-optimization/19431
1914         PR tree-optimization/21463
1915         * tree-pass.h (pass_phiprop): Declare.
1916         * passes.c (init_optimization_passes): New phiprop pass.
1917         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
1918         (phivn_valid_p): New helper function.
1919         (phiprop_insert_phi): Likewise.
1920         (propagate_with_phi): Likewise.
1921         (tree_ssa_phiprop): New propagator propagating loads
1922         through phi nodes if profitable.
1923
1924 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
1925
1926         * tree-vect-analyze.c (process_use): New function.
1927         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
1928         Check phis in all bbs.
1929         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
1930         assert.
1931
1932 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
1933
1934         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
1935         we use REG_EQUAL.
1936
1937 2007-04-17  Anatoly Sokolov <aesok@post.ru>
1938
1939         PR target/30483
1940         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
1941         error().
1942
1943 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
1944
1945         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
1946         on "0".
1947         (sse_vmmulv4sf3): Likewise.
1948         (sse2_vmaddv2df3): Likewise.
1949         (sse2_vmmulv2df3): Likewise.
1950
1951 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
1952
1953         PR rtl-optimization/31360
1954         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
1955         (target_reg_cost): New.
1956         (init_set_costs): Initialize target_reg_cost.  Add comments
1957         regarding the rationale of the costs.
1958         (global_cost_for_size): Renamed to...
1959         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
1960         of register pressure.
1961         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
1962         estimate_reg_pressure_cost.  Add number of ivs.
1963         (determine_set_costs): Dump target_reg_cost.
1964         * loop-invariant.c (gain_for_invariant):  Use
1965         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
1966         (best_gain_for_invariant, find_invariants_to_move): Remove
1967         n_inv_uses.
1968         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
1969         (target_reg_cost): Declare.
1970         (global_cost_for_size): Declaration removed.
1971         (estimate_reg_pressure_cost): Declare.
1972
1973 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
1974
1975         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
1976         regnos into even/odd register pairs.
1977         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
1978         TDmode similar to the other floating point modes.
1979         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
1980         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
1981         define_expand's.
1982         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
1983         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
1984         (movdd_hardfloat64): Use TARGET_MFPGPR.
1985
1986 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
1987
1988         * reload1.c (delete_output_reload): Don't count output in n_inherited.
1989
1990         Revert
1991         2005-01-05  Richard Henderson  <rth@redhat.com>
1992         PR rtl-opt/10692
1993         * reload1.c (do_input_reload): Restrict the optimization deleteing
1994         a previous output reload to RELOAD_FOR_INPUT.
1995
1996 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
1997
1998         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
1999         induc_vec_info_type.
2000         (vectorizable_induction): New function declaration.
2001         * tree-vect-transform.c (get_initial_def_for_induction): No need to
2002         check if already vectorized.  Find first place in BB where new stmts
2003         can be inserted.  Takes only one argument.
2004         (vectorizable_induction): New function.
2005         (vect_transform_stmt): Add case for induc_vec_info_type to call
2006         vectorizable_induction.
2007         (vect_transform_loop): Consider phis for vectorization.
2008         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
2009         condition.
2010         (analyze_operations): Call vectorizable_induction when analyzing phis.
2011         Fix comment.
2012         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
2013         (vect_mark_relevant): Include phis in relevance analysis.
2014         (vect_mark_stmts_to_be_vectorize): Likewise.
2015         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
2016
2017 2007-04-16  Lawrence Crowl  <crowl@google.com>
2018
2019         * doc/invoke.texi (Debugging Options): Add documentation for the
2020         -femit-struct-debug options -femit-struct-debug-baseonly,
2021         -femit-struct-debug-reduced, and
2022         -femit-struct-debug-detailed[=...].
2023
2024         * c-opts.c (c_common_handle_option): Add
2025         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
2026         and OPT_femit_struct_debug_detailed_.
2027         * c.opt: Add specifications for
2028         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
2029         and -femit-struct-debug-detailed[=...].
2030         * opts.c (set_struct_debug_option): Parse the
2031         -femit-struct-debug-... options.
2032         * opts.c (matches_main_base, main_input_basename,
2033         main_input_baselength, base_of_path, matches_main_base): Add
2034         variables and functions to compare header base name to compilation
2035         unit base name.
2036         * opts.c (should_emit_struct_debug): Add to determine to emit a
2037         structure based on the option.
2038         (dump_struct_debug) Also disabled function to debug this
2039         function.
2040         * opts.c (handle_options): Save the base name of the
2041         compilation unit.
2042
2043         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
2044         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
2045         This hook indicates if a type is generic.  Set it by default
2046         to "never generic".
2047         * langhooks.h (struct lang_hooks_for_types): Add a new hook
2048         to determine if a struct type is generic or not.
2049         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
2050         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
2051         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
2052         with live C++ hook.
2053
2054         * flags.h (enum debug_info_usage): Add an enumeration to describe
2055         a program's use of a structure type.
2056         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
2057         to indicate the program's usage of the type.  Filter structs based
2058         on the -femit-struct-debug-... specification.
2059         (gen_type_die): Split into two routines, gen_type_die and
2060         gen_type_die_with_usage.  gen_type_die is now a wrapper
2061         that assumes direct usage.
2062         (gen_type_die_with_usage): Replace calls to gen_type_die
2063         with gen_type_die_with_usage adding the program usage of
2064         the referenced type.
2065         (dwarf2out_imported_module_or_decl): Suppress struct debug
2066         information using should_emit_struct_debug when appropriate.
2067
2068 2007-04-16  Ian Lance Taylor  <iant@google.com>
2069
2070         PR tree-optimization/31522
2071         * tree-vrp.c (vr_phi_edge_counts): New static variable.
2072         (vrp_initialize): Allocate vr_phi_edge_counts.
2073         (vrp_visit_phi_node): Don't push to infinity if we saw a new
2074         executable edge.  Drop test for all constants.
2075         (vrp_finalize): Free vrp_phi_edge_counts.
2076
2077         * doc/cpp.texi (Common Predefined Macros): Clarify description of
2078         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
2079
2080         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
2081         predecessors at head rather than tail.
2082
2083 2007-04-16  Matthias Klose  <doko@debian.org>
2084
2085         * config/alpha/linux.h (CPP_SPEC): Define.
2086         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
2087
2088 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
2089
2090         * function.h: Remove sequence_stack extern declaration.
2091
2092 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
2093
2094         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
2095         TARGET_FIDOA.
2096         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
2097         defined.
2098
2099 2007-04-16  Anatoly Sokolov <aesok@post.ru>
2100
2101         * config/avr/avr.c (avr_arch_types): Rearranging  array.
2102         (enum avr_arch): Add.
2103         (avr_mcu_types): Use avr_arch enumeration constants instead of
2104         numbers.
2105         * config/avr/avr.h (LINK_SPEC): Simplify.
2106
2107 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
2108
2109         * config/m68k/m68k.c (m68k_libcall_value,
2110         m68k_function_value): Use macros for register names more.
2111
2112         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
2113         instead.
2114         (M68K_REGNAME): Use A6_REG.
2115         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
2116
2117 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2118
2119         PR middle-end/28071
2120         * sched-int.h (struct deps): Split field 'pending_lists_length' into
2121         'pending_read_list_length' and 'pending_write_list_length'.  Update
2122         comment.
2123         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
2124         to handle two length counters instead of one.  Update all uses.
2125         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
2126         two length counters instead of one.
2127         * sched-rgn.c (propagate_deps): Update to handle two length counters
2128         instead of one.
2129
2130 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
2131
2132         PR target/31582
2133         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
2134         copy of source, pass it to ix86_expand_vector_set and return
2135         it as target.
2136
2137 2007-04-16  David Ung  <davidu@mips.com>
2138             Joseph Myers  <joseph@codesourcery.com>
2139
2140         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
2141         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
2142         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
2143         Add 74K processor information.
2144         * config/mips/mips.md: Include 74k.md.
2145         (cpu): Add 74kc,74kf,74kx.
2146         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
2147         * config/mips/74k.md: New.
2148         * doc/invoke.texi (MIPS Options): Document 74K support.
2149
2150 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
2151
2152         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
2153         vectorizable_* functions.
2154         * tree-vect-transform.c (vectorizable_call): Add check for
2155         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
2156         (vectorizable_store): likewise.
2157         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
2158         Add comments.
2159         (vectorizable_operation, vectorizable_type_demotion): Likewise.
2160         (vectorizable_type_promotion, vectorizable_load): Likewise.
2161         (vectorizable_live_operation, vectorizable_condition): Likewise.
2162         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
2163         STMT_VINFO_LIVE_P.
2164         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
2165
2166 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
2167
2168         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
2169         register numbers more.
2170         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
2171         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
2172         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
2173         FUNCTION_VALUE_REGNO_P): Likewise.
2174         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
2175         STATIC_CHAIN_REGNUM): Likewise.
2176         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
2177         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
2178         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
2179         * config/m68k/m68k.md (FP_REG): New.
2180
2181 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
2182
2183         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
2184         alignment on fido.
2185
2186 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
2187
2188         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
2189         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
2190         comment typos.
2191
2192 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2193
2194         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
2195         cold loops.
2196
2197 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2198
2199         PR c/31520
2200         * c-decl.c (finish_decl): Grab the type of the decl after the call
2201         to store_init_value.
2202
2203 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
2204
2205         * common.opt (fforward-propagate): Fix "Optimization" annotation.
2206
2207 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
2208
2209         PR c++/25874
2210         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
2211         post dominators and cleanup cfg before returning.
2212
2213 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
2214
2215         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
2216         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
2217
2218 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
2219
2220         * config.gcc: Recognize fido.
2221         * config/m68k/m68k-devices.def (fidoa): New.
2222         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
2223         __mfido__.
2224         (FL_FIDOA, TARGET_FIDOA): New.
2225         * config/m68k/m68k.opt (mfidoa): New.
2226
2227 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2228
2229         PR middle-end/31322
2230         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
2231         when a personality function is used.
2232
2233 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
2234
2235         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
2236
2237 2007-04-13  Mike Stump  <mrs@apple.com>
2238
2239         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
2240         we can...
2241         * config/darwin.opt (fapple-kext): Make C++ only.
2242         * config/darwin.c (darwin_override_options): Remove code to ensure
2243         -fapple-kext is given for C++ only.
2244
2245 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
2246
2247         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
2248         * config/mips/mips.c (override_options): Call
2249         SUBTARGET_OVERRIDE_OPTIONS, if defined.
2250
2251 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
2252
2253         * config/i386/i386.opt (msvr3-shlib): Removed.
2254
2255         * doc/invoke.texi: Remove -msvr3-shlib.
2256
2257 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
2258
2259         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
2260         with "popcnt" instruction.
2261
2262 2007-04-13  Richard Guenther  <rguenther@suse.de>
2263
2264         PR tree-optimization/21258
2265         * tree-vrp.c (compare_case_labels): New helper.
2266         (find_switch_asserts): New function.
2267         (find_assert_locations): Call it for SWITCH_EXPRs.
2268
2269 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
2270
2271         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
2272         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
2273         check is now implied in X87_FLOAT_MODE_P.
2274         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
2275         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
2276         (fix_trunc<mode>_i386_fisttp): Ditto.
2277         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
2278         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
2279         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
2280         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
2281         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
2282         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
2283         (unnamed_splitters): Ditto.
2284         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
2285         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
2286         FIRST_SSE_REG for local functions when SSE math is enabled or
2287         for functions with sseregparm attribute.
2288         (standard_80387_constant_p): Return -1 if mode is not
2289         X87_FLOAT_MODE_P.
2290         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
2291         (ix86_expand_compare): Ditto.
2292         (ix86_expand_carry_flag_compare): Ditto.
2293         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
2294         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
2295         DECIMAL_FLOAT_MODE_P.
2296         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
2297         of SCALAR_FLOAT_MODE_P.
2298         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
2299         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
2300         checks before FLOAT_MODE_P.
2301         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
2302         before FLOAT_MODE_P.
2303         [DIV]: Ditto.
2304         [NEG]: Ditto.
2305         [ABS]: Ditto.
2306         [SQRT]: Ditto.
2307         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
2308
2309 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
2310             Charles Wilson  <libtool@cwilson.fastmail.fm>
2311
2312         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
2313         (libgcc.mvars): Don't depend on them.
2314         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
2315         * exec-tool.in: New.
2316
2317 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
2318
2319         * doc/invoke.text (--help): Document --help=common.
2320
2321 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
2322
2323         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
2324
2325 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2326
2327         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
2328         * genemit.c (main): Emit #include "integrate.h".
2329         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
2330         (LOADGP_RTP): New mips_loadgp_style.
2331         * config/mips/mips.h: Include config/vxworks-dummy.h.
2332         (TARGET_RTP_PIC): New macro.
2333         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
2334         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
2335         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
2336         for TARGET_RTP_PIC.
2337         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
2338         -mvxworks-pic when using -mrtp and a PIC option.
2339         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
2340         for RTP PIC.
2341         (mips_symbolic_constant_p, mips_symbolic_address_p)
2342         (mips_symbol_insns): Handle SYMBOL_HALF.
2343         (override_options): Warn about -G and -mrtp being used together.
2344         Initialize mips_lo_relocs[SYMBOL_HALF].
2345         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
2346         (mips_emit_loadgp): Handle LOADGP_RTP.
2347         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
2348         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
2349         (tablejump): Handle function-relative case table entries if
2350         TARGET_RTP_PIC.
2351         * config/mips/predicates.md (symbol_ref_operand): New predicate.
2352
2353 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2354
2355         * config/mips/mips.md (load_call<mode>): Allow any general register.
2356         destination.
2357         (sibcall_value_internal, sibcall_value_multiple_internal)
2358         (call_value_internal, call_value_split, call_value_multiple_internal)
2359         (call_value_multiple_split): Remove constraints from operand 0.
2360
2361 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2362
2363         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
2364         rather than loadgp_noshared.
2365         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
2366         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
2367         gen_loadgp.
2368         * config/mips/mips.md (loadgp): Rename to...
2369         (loadgp_newabi): ...this.
2370         (loadgp_noshared): Rename to...
2371         (loadgp_absolute): ...this.
2372
2373 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2374
2375         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
2376         false for locally-binding symbols.
2377         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
2378
2379 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2380
2381         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
2382         (SYMBOL_GOT_PAGE_OFST): ...this.
2383         (SYMBOL_GOT_GLOBAL): Rename to...
2384         (SYMBOL_GOT_DISP): ...this.
2385         (SYMBOL_GOTOFF_GLOBAL): Rename to...
2386         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
2387         * config/mips/mips.c (mips_global_symbol_p): New function.
2388         (mips_symbol_binds_local_p): Likewise.
2389         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
2390         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
2391         and mips_symbol_binds_local_p.
2392         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
2393         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
2394         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
2395         SYMBOL_GOTOFF_DISP.
2396         (mips_ok_for_lazy_binding_p): New function.
2397         (mips_load_call_address, mips_expand_call): Use it.
2398         (mips_dangerous_for_la25_p): Likewise.
2399         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
2400         (*got_disp<mode>): Use got_disp_operand instead of
2401         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
2402         SYMBOL_GOTOFF_GLOBAL.
2403         (*got_page<mode>): Use got_page_ofst_operand instead of
2404         local_got_operand.
2405         * config/mips/predicates.md (const_call_insn_operand): Use
2406         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
2407         (global_got_operand): Rename to...
2408         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
2409         SYMBOL_GOT_GLOBAL.
2410         (local_got_operand): Rename to...
2411         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
2412         of SYMBOL_GOT_LOCAL.
2413
2414 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2415
2416         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
2417         TARGET_CALL_CLOBBERED_GP.
2418         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2419         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
2420         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
2421         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
2422         of TARGET_ABICALLS && !TARGET_NEWABI.
2423         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2424         * config/mips/mips.c (mips_load_call_address): Check
2425         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
2426         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2427         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
2428         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
2429         TARGET_ABICALLS && TARGET_NEWABI.
2430         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
2431         TARGET_ABICALLS.
2432         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
2433         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
2434         TARGET_ABICALLS && TARGET_NEWABI.
2435         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
2436         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
2437         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
2438         whether indirect calls must use $25.
2439         (mips_extra_live_on_entry): Check TARGET_GOT instead of
2440         TARGET_ABICALLS.
2441         * config/mips/mips.md (jal_macro): Check flag_pic and
2442         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
2443         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
2444         instead of TARGET_ABICALLS.
2445         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
2446         TARGET_ABICALLS && TARGET_OLDABI.
2447         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2448         (sibcall): In the comment above the define_insn, mention
2449         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
2450         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
2451         instead of TARGET_ABICALLS.
2452
2453 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
2454
2455         * doc/md.texi (Blackfin family constraints): Document PA and PB.
2456         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
2457         (MACFLAGS_MATCH_P): New macro.
2458         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
2459         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
2460         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
2461         the other MACFLAG constants.
2462         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
2463         (flag_machi): Tighten constraints.  Renumber some of the operands.
2464         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
2465         output template.
2466         (flag_machi_parts_acconly): New pattern.
2467         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
2468         used.
2469         (flag_macinit1hi): Tighten constraints.
2470         (flag_mul_macv2hi_parts_acconly): New pattern.
2471
2472         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
2473         Use a more efficient implementation.
2474         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
2475         inline sequences when not optimizing for size.
2476
2477         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
2478         movhi_high2low): Delete, merge functionality into...
2479         (packv2hi): ... this pattern.
2480
2481         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
2482         * config/bfin/bfin.opt (msim): New option.
2483         (mcpu=): New option.
2484         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
2485         (bfin_cpu_t): Typedef of enum bfin_cpu.
2486         (bfin_cpu_type): New declaration.
2487         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
2488         -msim and -mcpu= options.
2489         (LIB_SPEC): Likewise.
2490         * config/bfin/bfin.c (bfin_cpu_type): Define.
2491         (bfin_handle_option): Handle -mcpu= option.
2492         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
2493         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
2494         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
2495
2496 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2497
2498         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
2499         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
2500         (powerpc-wrs-vxworksae): Use ${tm_file}.
2501         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
2502         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
2503         * config/i386/vx-common.h: New file.
2504
2505 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
2506
2507         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
2508         of crt0.o%s.
2509
2510 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2511
2512         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
2513         ldxtr.
2514
2515 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
2516
2517         PR c++/31078
2518         PR c++/31103
2519         * c-common.c (c_build_qualified_type): Set canonical type
2520         appropriately.
2521
2522 2007-04-12  Richard Guenther  <rguenther@suse.de>
2523
2524         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
2525         lower bound and element size if lower bound is not zero
2526         or either of the ARRAY_REF operands is set.
2527
2528 2007-04-12  Richard Guenther  <rguenther@suse.de>
2529
2530         PR tree-optimization/24689
2531         PR tree-optimization/31307
2532         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
2533         indices by value.
2534         * gimplify.c (canonicalize_addr_expr): To be consistent with
2535         gimplify_compound_lval only set operands two and three of
2536         ARRAY_REFs if they are not gimple_min_invariant.  This makes
2537         it never at this place.
2538         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
2539
2540 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2541
2542         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
2543         null before emitting a .nsubspa directive.
2544
2545 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
2546
2547         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
2548         need_to_partition_p if there are no memory statements in the
2549         function.
2550
2551 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2552
2553         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
2554         (gcd_of_steps_may_divide_p): New function.
2555         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
2556
2557 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2558
2559         * reload.c (find_reloads_toplev, find_reloads_address,
2560         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
2561         not a pointer equality test, to decide if we need to call
2562         push_reg_equiv_alt_mem.
2563
2564 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
2565
2566         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
2567         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
2568         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
2569
2570 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
2571
2572         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
2573         vector to be positive.
2574
2575 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
2576
2577         PR 30735
2578         PR 31090
2579         * doc/invoke.texi: Document --params max-aliased-vops and
2580         avg-aliased-vops.
2581         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
2582         debug_memory_partitions): Move to tree-flow.h
2583         * params.h (AVG_ALIASED_VOPS): Define.
2584         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
2585         users.
2586         (mp_info_t): Likewise.
2587         (get_mem_sym_stats_for): New.
2588         (set_memory_partition): Move from tree-flow-inline.h.
2589         (mark_non_addressable): Only clear the set of symbols for the
2590         partition if it exists.
2591         (dump_memory_partitions): Move from tree-ssa-operands.c
2592         (debug_memory_partitions): Likewise.
2593         (need_to_partition_p): New.
2594         (dump_mem_ref_stats): New.
2595         (debug_mem_ref_stats): New.
2596         (dump_mem_sym_stats): New.
2597         (debug_mem_sym_stats): New.
2598         (update_mem_sym_stats_from_stmt): New.
2599         (compare_mp_info_entries): New.
2600         (mp_info_cmp): Call it.
2601         (sort_mp_info): Change argument to a list of mem_sym_stats_t
2602         objects.
2603         (get_mpt_for): Move from tree-ssa-operands.c.
2604         (find_partition_for): New.
2605         (create_partition_for): Remove.
2606         (estimate_vop_reduction): New.
2607         (update_reference_counts): New.
2608         (build_mp_info): New.
2609         (compute_memory_partitions): Refactor.
2610         Document new heuristic.
2611         Call build_mp_info, update_reference_counts,
2612         find_partition_for and estimate_vop_reduction.
2613         (compute_may_aliases): Populate virtual operands before
2614         calling debugging dumps.
2615         (delete_mem_sym_stats): New.
2616         (delete_mem_ref_stats): New.
2617         (init_mem_ref_stats): New.
2618         (init_alias_info): Call it.
2619         (maybe_create_global_var): Remove alias_info argument.
2620         Get number of call sites and number of pure/const call sites
2621         from gimple_mem_ref_stats().
2622         (dump_alias_info): Call dump_memory_partitions first.
2623         (dump_points_to_info_for): Show how many times a pointer has
2624         been dereferenced.
2625         * opts.c (decode_options): For -O2 set --param
2626         max-aliased-vops to 500.
2627         For -O3 set --param max-aliased-vops to 1000 and --param
2628         avg-aliased-vops to 3.
2629         * fortran/options.c (gfc_init_options): Remove assignment to
2630         MAX_ALIASED_VOPS.
2631         * tree-flow-inline.h (gimple_mem_ref_stats): New.
2632         * tree-dfa.c (dump_variable): Dump memory reference
2633         statistics.
2634         Dump NO_ALIAS* settings.
2635         (referenced_var_lookup): Tidy.
2636         (mem_sym_stats): New.
2637         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
2638         and ORIG are different SSA names for a memory partition.
2639         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
2640         * tree-flow.h (struct mem_sym_stats_d): Define.
2641         (mem_sym_stats_t): Define.
2642         (struct mem_ref_stats_d): Define.
2643         (struct gimple_df): Add field mem_ref_stats.
2644         (enum noalias_state): Define.
2645         (struct var_ann_d): Add bitfield noalias_state.
2646         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
2647         debug_mem_ref_stats, debug_memory_partitions,
2648         debug_mem_sym_stats): Declare.
2649         * tree-ssa-structalias.c (update_alias_info): Update call
2650         sites, pure/const call sites and asm sites in structure
2651         returned by gimple_mem_ref_stats.
2652         Remove local variable IS_POTENTIAL_DEREF.
2653         Increase NUM_DEREFS if the memory expression is a potential
2654         dereference.
2655         Call update_mem_sym_stats_from_stmt.
2656         If the memory references memory, call
2657         update_mem_sym_stats_from_stmt for all the direct memory
2658         symbol references found.
2659         (intra_create_variable_infos): Set noalias_state field for
2660         pointer arguments according to the value of
2661         flag_argument_noalias.
2662         * tree-ssa-structalias.h (struct alias_info): Remove fields
2663         num_calls_found and num_pure_const_calls_found.
2664         (update_mem_sym_stats_from_stmt): Declare.
2665         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
2666         Set default value to 100.
2667         (PARAM_AVG_ALIASED_VOPS): Define.
2668
2669 2007-04-11  Richard Guenther  <rguenther@suse.de>
2670
2671         PR middle-end/31530
2672         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
2673         a * -b + c as c - a * b if we honor sign dependent rounding.
2674
2675 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
2676
2677         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
2678         bfin_expand_strmov.
2679         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
2680         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
2681         variables.
2682         (initialize_trampoline): Don't use old-style function definition.
2683         (bfin_secondary_reload): Mark IN_P argument as unused.
2684
2685 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
2686
2687         PR tree-optimization/31343
2688         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
2689         (build_polynomial_chrec): Return a scalar when the evolution is zero.
2690         * testsuite/gcc.dg/vect/pr31343.c: New.
2691
2692 2007-04-10  Eric Christopher  <echristo@apple.com>
2693
2694         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
2695         * config/i386/i386.md (*cmpfp0): Use.
2696         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
2697         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
2698         (fix_trunc<mode>_i386_fisttp): Ditto.
2699         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
2700         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
2701         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
2702         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
2703         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
2704         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
2705         (unnamed_splitters): Ditto.
2706         * config/i386/i386.c (output_fix_trunc): Assert that
2707         we're not being passed a TFmode operand.
2708
2709 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
2710
2711         PR tree-optimization/31526
2712         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
2713         n_basic_blocks to find newly added blocks.
2714
2715 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
2716
2717         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
2718         alternative.
2719         (fix_trunc<mode>si_sse): Ditto.
2720         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
2721         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
2722         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
2723         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
2724         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
2725         expander using SSEMODEF mode macro.
2726         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
2727         expander using SSEMODEF mode macro.
2728         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
2729         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
2730         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
2731         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
2732         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
2733         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
2734         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
2735         Macroize insn using X87MODEF mode macro.
2736
2737 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
2738
2739         * config/i386/sse.md (sse2_pinsrw): Removed.
2740         (sse2_pextrw): Renamed to ...
2741         (*sse2_pextrw): This.
2742
2743 2007-04-09  Jan Hubicka  <jh@suse.cz>
2744
2745         PR target/27869
2746         * config/i386/sse.md
2747         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
2748         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
2749         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
2750         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
2751
2752 2007-04-09  Jan Hubicka  <jh@suse.cz>
2753
2754         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
2755         multiple fields of union.
2756
2757 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
2758
2759         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
2760         (create_preheaders): Check that loops are available.
2761         (fix_loop_structure): Clean up, improve comments.
2762         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
2763         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
2764         state flags.
2765         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
2766         * predict.c (tree_estimate_probability): Do not call
2767         calculate_dominance_info.  Call create_preheaders.
2768         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
2769         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
2770         flags.
2771         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
2772         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
2773         * tree-cfg.c (tree_split_edge): Make an assert more precise.
2774         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
2775         arguments.
2776
2777 2007-04-08  Jan Hubicka  <jh@suse.cz>
2778
2779         * tree.h (maybe_fold_offset_to_component_ref): Declare.
2780         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
2781         * fold-const.c (fold_unary): Use it.
2782
2783 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2784
2785         * varasm.c (assemble_variable): Remove call to
2786         lang_hooks.decls.prepare_assemble_variable.
2787         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
2788         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
2789         * langhooks.h (lang_hooks_for_decls): Remove
2790         prepare_assemble_variable.
2791
2792 2007-04-08  Mike Stump  <mrs@apple.com>
2793
2794         * config/i386/i386.c: Use inc/dec on Core2.
2795
2796 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
2797
2798         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
2799         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2800         lhd_tree_inlining_end_inlining): Remove.
2801         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
2802         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
2803         end_inlining hooks.
2804         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
2805         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2806         lhd_tree_inlining_end_inlining): Remove prototypes.
2807         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
2808         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
2809         LANG_HOOKS_TREE_INLINING_START_INLINING,
2810         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
2811
2812         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
2813         not set it.
2814
2815 2007-04-08  Anatoly Sokolov <aesok@post.ru>
2816
2817         PR target/29932
2818         * config/avr/predicates.md (io_address_operand): Delete predicate.
2819         (low_io_address_operand): Don't use 'mode' argument.
2820         (higth_io_address_operand): Rename ...
2821         (high_io_address_operand): ... to this. Don't use 'mode' argument.
2822         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
2823         for above change.
2824
2825 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
2826
2827         Revert change removing staticp.
2828
2829 2007-04-07  Anatoly Sokolov <aesok@post.ru>
2830
2831         PR target/30289
2832         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
2833         earlyclobber.
2834
2835 2007-04-07  Bruce Korb  <bkorb@gnu.org>
2836
2837         * c.opt: Add -Wformat-contains-nul.
2838         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
2839           -Wformat setting.
2840         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
2841         the NUL byte warning.
2842
2843 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
2844
2845         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
2846
2847 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
2848
2849         * tree.c (staticp): No longer use staticp langhook.
2850         * langhooks.c (lhd_staticp): Removed.
2851         * langhooks.h (struct lang_hooks): Remove staticp.
2852         * c-common.c (c_staticp): Remove.
2853         * c-common.h (c_staticp): Ditto.
2854         * langhooks-defs.h (lhd_staticp): Ditto.
2855         (LHD_HOOKS_STATICP): Ditto
2856         * tree.h (gcc_assert_lowered): New macro.
2857
2858 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
2859
2860         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
2861         argument "reliable".
2862         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
2863         Add argument "reliable".  Propagate it through calls.
2864         (infer_loop_bounds_from_undefined):  Derive number of iterations
2865         estimates from references in blocks that do not dominate loop latch.
2866         (gcov_type_to_double_int): New function.
2867         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
2868         and expected_loop_iterations_unbounded.
2869         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
2870         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
2871         * tree-data-ref.c (estimated_loop_iterations): Export.
2872         (get_references_in_stmt): Fix -- do not return addresses of local
2873         objects.
2874         * cfgloop.h (expected_loop_iterations_unbounded,
2875         estimated_loop_iterations): Declare.
2876
2877 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
2878
2879         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
2880
2881 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
2882
2883         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
2884         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
2885         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
2886         Use output_387_reg_move().
2887         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
2888         expander using X87MODEF12 mode macro.
2889         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
2890         choosing register preferences.  Use output_387_reg_move().
2891         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
2892         instead of "x".  Use output_387_reg_move().
2893         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
2894         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
2895         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
2896         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
2897         Use output_387_reg_move().
2898         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
2899         mode macro.
2900         (*truncxf?f_i387 splitter): Ditto.
2901
2902 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
2903
2904         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
2905         LANG_HOOKS_SAFE_FROM_P.
2906         * expr.c (safe_from_p): Remove langhook call.
2907         * langhooks.h (lang_hooks): Remove safe_from_p.
2908         (lhd_safe_from_p): Remove prototype.
2909         * langhooks.c (lhd_safe_from_p): Remove.
2910
2911 2007-04-06  Jan Hubicka  <jh@suse.cz>
2912
2913         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
2914         functions.
2915
2916 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
2917
2918         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
2919         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
2920         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
2921         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
2922         alternative.
2923         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
2924         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
2925
2926 2007-04-05  Richard Henderson  <rth@redhat.com>
2927
2928         * config/alpha/alpha.c (print_operand) [+]: Remove.
2929         (alpha_end_function): Print nop if call at end of function.
2930         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
2931         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
2932         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
2933         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
2934         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
2935         the call pattern. Update peepholes to match.
2936
2937 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
2938
2939         * doc/extend.texi (Other Builtins): Add decimal float variants
2940         of signbit.
2941         * builtins.def: Ditto.
2942         * builtins.c (expand_builtin): Ditto.
2943
2944 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
2945             H.J. Lu  <hongjiu.lu@intel.com>
2946
2947         PR target/31478
2948         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
2949         of V8HImode when calling ix86_binary_operator_ok.
2950         (sse2_pmaddwd): Call ix86_binary_operator_ok.
2951         (sdot_prodv8hi): Operands 1 and 2 must be register.
2952
2953 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2954
2955         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
2956         initialize align to silence bogus warning.
2957
2958 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2959
2960         PR middle-end/22156
2961         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
2962         all_no_warning.
2963         (struct sra_walk_fns): Remove use_all parameter from use.
2964         (sra_hash_tree): Handle BIT_FIELD_REFs.
2965         (sra_elt_hash): Don't hash bitfld blocks.
2966         (sra_elt_eq): Skip them in parent compares as well.  Handle
2967         BIT_FIELD_REFs.
2968         (sra_walk_expr): Don't maintain or pass down use_all_p.
2969         (scan_use): Remove use_all parameter.
2970         (scalarize_use): Likewise.  Re-expand assignment to
2971         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
2972         output, and re-scalarize after output.  Don't mark anything
2973         for no warning.
2974         (scalarize_ldst): Adjust.
2975         (scalarize_walk_gimple_modify_statement): Likewise.
2976         (build_element_name_1): Handle BIT_FIELD_REFs.
2977         (instantiate_element): Don't warn for any element whose parent
2978         is used as a whole.
2979         (instantiate_missing_elements_1): Return the sra_elt.
2980         (canon_type_for_field): New.
2981         (try_instantiate_multiple_fields): New.
2982         (instantiate_missing_elemnts): Use them.
2983         (mark_no_warning): Removed.
2984         (generate_one_element_ref): Handle BIT_FIELD_REFs.
2985         (REPLDUP, sra_build_elt_assignment): New.
2986         (generate_copy_inout): Use them.
2987         (generate_element_copy): Likewise.  Handle bitfld differences.
2988         (generate_element_zero): Don't recurse for blocks.  Use
2989         sra_build_elt_assignment.
2990         (generate_one_element_int): Take elt instead of var.  Use
2991         sra_build_elt_assignment.
2992         (generate_element_init_1): Adjust.
2993         (scalarize_use, scalarize_copy): Use REPLDUP.
2994         (scalarize_ldst): Move assert before dereference.
2995         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
2996
2997 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
2998
2999         * regmove.c: Fix unused variable warnings due to previous commit.
3000
3001 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
3002
3003         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
3004         (regmove_bb_head): Remove.
3005         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
3006         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
3007         problems with fixup_match_1.
3008         Don't initialize/free regmove_bb_head.
3009
3010         (reg_is_remote_constant_p): If an insn is in the same basic block
3011         but not before INSN, consider it remote, too.
3012
3013 2007-04-05  Anatoly Sokolov <aesok@post.ru>
3014
3015         PR target/25448
3016         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
3017         DECL_ASSEMBLER_NAME, not the DECL_NAME.
3018
3019 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
3020
3021         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
3022         (CONDITIONAL_REGISTER_USAGE): Likewise.
3023
3024 2007-04-04  Richard Henderson  <rth@redhat.com>
3025
3026         * config/alpha/lib1funcs.asm: Remove unused file.
3027
3028 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
3029
3030         PR other/31356
3031         * opts.c (print_specific_help): Fix --help=<language>
3032         header line.
3033         (common_handle_option): Support --help=common.
3034
3035 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
3036
3037         PR other/31353
3038         * gcc.c (main): Do not run the linker if
3039         print_subprocess_help indicates that it shouldn't be
3040         run.
3041
3042 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
3043
3044         PR doc/31355
3045         * doc/invoke.texi (--help=): Document <languages> value, fix
3046         formatting in tables of values.
3047
3048 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
3049
3050         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
3051         dllimport attribute of virtual methods.
3052
3053 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
3054
3055         * config/score/crti.asm: Change _bss_start to __bss_start.
3056         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
3057         (OUTGOING_REG_PARM_STACK_SPACE) update.
3058         * config/score/score.opt: add options to make backend support
3059         score5, score5u, score7 and score7d.
3060         * config/score/score.md: Likewise.
3061         * config/score/misc.md: Likewise.
3062         * config/score/mac.md: Likewise.
3063         * doc/invoke.texi: Likewise.
3064         * doc/md.texi: update constraints define.
3065
3066 2007-04-03  Richard Henderson  <rth@redhat.com>
3067
3068         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
3069         an appropriate type, use the mode instead.
3070
3071 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
3072
3073         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
3074         Set the default --with-arch setting to mips2.
3075         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
3076         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
3077         (MULTILIB_OSDIRNAMES): Delete.
3078         (MULTILIB_DIRNAMES): Define.
3079         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
3080         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
3081         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
3082         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
3083         VXWORKS_OS_CPP_BUILTINS.
3084         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
3085         (MIPS_DEBUGGING_INFO): Undefine.
3086         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
3087
3088 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
3089
3090         PR middle-end/30704
3091         * fold-const.c (native_encode_real): Encode real.c provided longs
3092         as a series of 32-bit native integers.
3093         (native_interpret_real): Interpret buffer as a series of 32-bit
3094         native integers.
3095
3096 2007-04-03  Richard Guenther  <rguenther@suse.de>
3097
3098         * genpreds.c (write_insn_constraint_len): Write function
3099         optimized for CONSTRAINT_LEN implementation.
3100         (write_tm_preds_h): Output insn_constraint_len inline and
3101         use it for CONSTRAINT_LEN.
3102         (write_insn_preds_c): Don't output insn_constraint_len.
3103         * doc/md.texi (define_register_constraint): Document multi-letter
3104         constraints shall have the same length if they start with the same
3105         letter.
3106
3107 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
3108
3109         PR target/31175
3110         * config/i386/i386.md (isinf<mode>2): Expand only when
3111         TARGET_C99_FUNCTIONS is set.
3112
3113 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
3114
3115         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
3116         (x86_64-*-linux*): Ditto.
3117         * config/i386/i386.opt (mpc): New option.
3118         * config/i386/i386.c (overrride_options): Handle
3119         ix87_precision_string.
3120         * config/i386/crtprec.c: New file.
3121         * config/i386/t-crtpc: Ditto.
3122         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
3123         and -mpc80 options.
3124         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
3125         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
3126         crtprec32.o, crtprec64.o and crtprec80.o.
3127
3128         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
3129         and -mpc80 options.
3130         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
3131
3132 2007-04-02  Eric Christopher  <echristo@apple.com>
3133
3134         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
3135         limitations on darwin.
3136
3137 2007-04-02  Anatoly Sokolov <aesok@post.ru>
3138
3139         PR target/31137
3140         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
3141
3142 2007-04-02  Dave Korn  <dave.korn@artimi.com>
3143
3144         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
3145
3146 2007-04-02  Dave Korn  <dave.korn@artimi.com>
3147
3148         * libgcc2.h (exception_descriptor): Don't forward-declare.
3149         (__get_eh_table_language, __get_eh_table_version): Delete
3150         prototypes of long-dead functions.
3151
3152 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
3153
3154         * ebitmap.h: New file
3155         * ebitmap.c: New file
3156         * Makefile.in (ebitmap.o): New target.
3157
3158 2007-04-01  Jan Hubicka  <jh@suse.cz>
3159
3160         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
3161         before very first instruction.
3162
3163 2007-04-01  Jan Hubicka  <jh@suse.cz>
3164
3165         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
3166         waring on 64bit hosts.
3167         * bitmap.h: Fix typo in bitmap_head_def.
3168
3169 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
3170
3171         PR rtl-optimization/31391
3172         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
3173         into a DELETED_LABEL note, and the label is in an empty basic
3174         block, update BB_END as well as BB_HEAD.
3175
3176 2007-04-01  Richard Henderson  <rth@redhat.com>
3177
3178         PR tree-optimization/31169
3179         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
3180         to varying if the range is outside [0,  prec-1].
3181
3182 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
3183
3184         PR target/31388
3185         * config/mips/mips.md (load_const_gp): New insn.
3186         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
3187         the MIPS16 GP pseudo register if no_new_pseudos.
3188         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
3189
3190 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3191
3192         PR target/31364
3193         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
3194         secureplt.
3195         (call_value): Likewise.
3196
3197 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
3198             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3199
3200         PR 14737
3201         * doc/invoke.texi: (optimization options): Reword description
3202         of -ffast-math. Document its primary purpose.
3203
3204 2007-03-31  Richard Guenther  <rguenther@suse.de>
3205
3206         * omp-low.c (splay-tree.h): Include.
3207         (lookup_decl): Replace splay-tree usage by pointer-map.
3208         (maybe_lookup_decl): Likewise.
3209         (new_omp_context): Likewise.
3210         (delete_omp_context): Likewise.
3211         * gimplify.c (splay-tree.h): Include.
3212         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
3213         pointer-map.
3214         (remap_ssa_name): Likewise.
3215         (remap_decl): Likewise.
3216         (remap_type_1): Likewise.
3217         (remap_type): Likewise.
3218         (copy_body_r): Likewise.
3219         (expand_call_inline): Likewise.
3220         (clone_body): Likewise.
3221         (copy_tree_r): Likewise.
3222         (remap_save_expr): Likewise.
3223         (unsave_r): Likewise.
3224         (unsave_expr_now): Likewise.
3225         (tree_function_versioning): Likewise.
3226         (build_duplicate_type): Likewise.
3227         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
3228         (struct copy_body_data): Replace splay-tree by pointer-map.
3229         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
3230         not $(SPLAY_TREE_H).
3231         (gimplify.o): Depend on $(SPLAY_TREE_H).
3232         (omp-low.p): Likewise.
3233
3234 2007-03-31  Anatoly Sokolov <aesok@post.ru>
3235
3236         * config/avr/predicates.md (even_register_operand,
3237         odd_register_operand): New predicates.
3238         * config/avr/avr.md (movw peephole2): New.
3239         (movw_r peephole2): New.
3240
3241 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
3242
3243         * tree.h (get_signed_or_unsigned_type): New.
3244         * fold-const.c (operand_equal_for_comparison_p): Use
3245         get_signed_or_unsigned_type instead of
3246         lang_hooks.types.signed_or_unsigned_type.
3247         * expr.c (store_expr): Ditto.
3248         * langhooks.c (get_signed_or_unsigned_type): New.
3249         (lhd_signed_or_unsigned_type): New.
3250         * langhooks.h (lhd_signed_or_unsigned_type): New.
3251         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
3252
3253 2007-03-30  Richard Henderson  <rth@redhat.com>
3254
3255         * tree-ssa-loop-ivopts.c: Include target.h.
3256         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
3257         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
3258         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
3259         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
3260
3261 2007-03-30  Richard Henderson  <rth@redhat.com>
3262             Kai Tietz  <kai.tietz@onevision.com>
3263
3264         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
3265         default for 64-bit.
3266         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
3267         (TARGET_64BIT_MS_ABI): New.
3268         (DBX_REGISTER_NUMBER): Handle 64-bit.
3269         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
3270         (LONG_TYPE_SIZE): Force to 32.
3271         (REG_PARM_STACK_SPACE): New.
3272         (OUTGOING_REG_PARM_STACK_SPACE): New.
3273         (REGPARM_MAX, SSE_REGPARM_MAX): New.
3274         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
3275         (STACK_BOUNDARY): Use 128 for 64-bit.
3276         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
3277         Add 64-bit implementation.
3278         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
3279         argument unused.
3280         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
3281         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
3282         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
3283         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
3284         (ix86_handle_cconv_attribute): Don't warn when ignoring if
3285         TARGET_64BIT_MS_ABI.
3286         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
3287         (ix86_pass_by_reference): Likewise.
3288         (ix86_function_value_regno_p): Likewise.
3289         (ix86_build_builtin_va_list): Likewise.
3290         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
3291         (function_arg_advance_ms_64): New.
3292         (function_arg_advance): Call it.
3293         (function_arg_ms_64): New.
3294         (function_arg): Call it.
3295         (function_value_ms_64): New.
3296         (ix86_function_value_1): Call it.
3297         (return_in_memory_ms_64): New.
3298         (ix86_return_in_memory): Call it.
3299         (setup_incoming_varargs_ms_64): New.
3300         (ix86_setup_incoming_varargs): Call it.
3301         (ix86_expand_prologue): Handle 64-bit stack probing.
3302         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
3303         (output_pic_addr_const): Likewise.
3304         (x86_this_parameter): Likewise.
3305         (x86_output_mi_thunk): Likewise.
3306         (x86_function_profiler): Likewise.
3307         (TARGET_STRICT_ARGUMENT_NAMING): New.
3308         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
3309         (TARGET_64BIT_MS_ABI): New.
3310         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
3311         * config/i386/i386.md (allocate_stack_worker): Remove.
3312         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
3313         describe the clobber of eax without a match_scratch.
3314         (allocate_stack_worker_postreload): Remove.
3315         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
3316         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
3317         (allocate_stack_worker_rex64_postreload): Remove.
3318         (allocate_stack): Handle 64-bit.
3319         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
3320         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
3321         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
3322         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
3323         (STANDARD_STARTFILE_PREFIX_1): Likewise.
3324         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
3325         * config.build (x86_64-*-mingw*): New host.
3326         * config.host (x86_64-*-mingw*): New host.
3327         * config.gcc (x86_64-*-mingw*): New target.
3328         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
3329
3330 2007-03-30  Richard Henderson  <rth@redhat.com>
3331             Kai Tietz  <kai.tietz@onevision.com>
3332
3333         * c-pragma.c (struct def_pragma_macro_value): New.
3334         (struct def_pragma_macro): New.
3335         (pushed_macro_table): New.
3336         (dpm_hash, dpm_eq): New.
3337         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
3338         (init_pragma): Install them.
3339         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
3340
3341 2007-03-30  Anatoly Sokolov <aesok@post.ru>
3342
3343         * config/avr/avr.c (avr_override_options): Clear
3344         'flag_delete_null_pointer_checks'.
3345
3346 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
3347
3348         PR c++/26099
3349         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
3350         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
3351         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
3352         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
3353         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
3354         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
3355         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
3356         C++ extensions.
3357         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
3358
3359 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
3360
3361         * regmove.c: Move all of pass_stack_adjustments from here...
3362         * combine-stack-adj.c: ...to this new file.
3363         * Makefile.in: Add rules for combine-stack-adj.o.
3364
3365 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
3366
3367         PR tree-optimization/31383
3368         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
3369         to have the same length.
3370
3371 2007-03-30  Jan Hubicka  <jh@suse.cz>
3372
3373         PR middle-end/30700
3374         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
3375         availablility; add more sanity checking; ask varpool only about
3376         VAR_DECL.
3377
3378 2007-03-29  Richard Henderson  <rth@redhat.com>
3379
3380         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
3381         to decide, but __SIZEOF_LONG_LONG__.
3382
3383 2007-03-29  Richard Henderson  <rth@redhat.com>
3384
3385         * emutls.c (struct __emutls_array): New.
3386         (emutls_destroy): Use it instead of casting element 0 from void*.
3387         (__emutls_get_address): Likewise.
3388
3389 2007-03-29  Richard Henderson  <rth@redhat.com>
3390
3391         * varasm.c (initializer_constant_valid_p): Don't deny
3392         DECL_DLLIMPORT_P on functions.
3393
3394         * config/i386/cygming.h: Remove function declarations.
3395         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
3396         (ASM_OUTPUT_LABELREF): Remove.
3397         (COMMON_ASM_OP): Remove.
3398         (ASM_OUTPUT_COMMON): Remove.
3399         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
3400         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
3401         (ASM_DECLARE_FUNCTION_NAME): Likewise.
3402         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
3403         Rename from TARGET_ENCODE_SECTION_INFO.
3404         * config/i386/netware.h: Likewise.
3405         * config/i386/i386-protos.h: Update.
3406         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
3407         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
3408         (legitimate_constant_p): Reject dllimports.
3409         (dllimport_map, get_dllimport_decl): New.
3410         (legitimize_dllimport_symbol): New.
3411         (legitimize_address, ix86_expand_move): Use it.
3412         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
3413         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
3414         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
3415         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
3416         * config/i386/predicates.md (constant_call_address_operand): Only
3417         accept symbols; reject dllimport_p symbols.
3418         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
3419         i386_pe_maybe_record_exported_symbol.
3420         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
3421         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
3422         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
3423         trust the setting of DECL_DLLIMPORT_P.
3424         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
3425         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
3426         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
3427         tidy the argument scanning loop.
3428         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
3429         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
3430         (i386_pe_strip_name_encoding): Remove.
3431         (i386_pe_binds_local_p): New.
3432         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
3433         (i386_pe_output_labelref): Remove.
3434         (i386_pe_asm_output_aligned_decl_common): New.
3435         (i386_pe_maybe_record_exported_symbol): Rename from
3436         i386_pe_record_exported_symbol; check for dllexported symbols.
3437
3438 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
3439
3440         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
3441         add comment explaining why vsnprintf cannot be used.
3442
3443 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
3444
3445         PR tree-optimization/30666
3446         * tree.c (build_complex_type): When creating type names for DWARF2
3447         debug info, create TYPE_DECLs for TYPE_NAME instead of
3448         IDENTIFIER_NODEs.
3449         (build_common_tree_nodes_2): Use build_complex_type when building
3450         predefined complex types, to preserve canonical types.
3451
3452 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
3453
3454         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
3455         (noce_get_alt_condition): Look at it to determine whether to
3456         reverse the condition or not.
3457         (noce_get_condition): Substitute the truth for lies.
3458         (noce_find_if_block): Set the then_else_reversed field.
3459
3460 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
3461
3462         * config/fr30/fr30.md (movdi): Do not accept immediates as the
3463         destination of this insn.
3464         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
3465         than calling gen_rtx_SET directly.  Use r0 to hold the value of
3466         'address + 4' rather than a stack based temporary which can be
3467         mis-optimized away.
3468
3469 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
3470
3471         * config/s390/s390.c (s390_secondary_input_reload_class,
3472         s390_secondary_output_reload_class): Functions removed.
3473         (s390_secondary_reload): New function.
3474         (TARGET_SECONDARY_RELOAD): Target macro defined.
3475         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
3476         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
3477         * config/s390/s390.md ("reload_outti", "reload_outdi",
3478         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
3479         "reload_out<mode>"): Expanders removed.
3480         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
3481         "reload<mode>_nonoffmem_out"): Expanders added.
3482
3483 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
3484
3485         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
3486         SRC->DEST replacement failed anyway.
3487
3488 2007-03-28  Mike Stump  <mrs@apple.com>
3489
3490         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
3491         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
3492         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
3493
3494 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
3495
3496         * config.gcc: Accept barcelona as a variant of amdfam10.
3497         * config/i386/i386.c (override_options): Likewise.
3498         * doc/invoke.texi: Likewise.
3499
3500 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
3501
3502         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
3503         offsets for BIT_FIELD_REF and COMPONENT_REF.
3504
3505 2007-03-28  Richard Guenther  <rguenther@suse.de>
3506
3507         * tree.c (is_global_var): Move ...
3508         * tree-flow-inline.h (is_global_var): ... here.
3509         * tree.h (is_global_var): Remove declaration.
3510
3511 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
3512
3513         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
3514         option.
3515         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
3516         * config/i386/i386.c (ix86_tune_features): Initialize new
3517         tuning option.
3518         * config/i386/predicates.md (promotable_binary_operator): Use
3519         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
3520
3521 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3522
3523         PR target/31380
3524         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
3525
3526 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
3527
3528         * config/fr30/fr30.md (movsi_internal): Change destination
3529         constraint from m to V and add m to the end.
3530
3531 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3532
3533         * config/sh/sh.md (movsi_i): Fix type attribute.
3534
3535 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3536
3537         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
3538         (movsf_ie): Likewise.
3539
3540 2007-03-28  Christian Bruel  <christian.bruel@st.com>
3541
3542         * config.gcc: Add sh4-300 to multilib.
3543         * config/sh/t-mlib-sh4-300: New file.
3544
3545 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
3546
3547         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
3548         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
3549         fix_trunc<mode>di2.
3550         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
3551         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
3552         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
3553         "fixuns_trunctddi2"): Whitespace fix.
3554
3555 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
3556
3557         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
3558         the definition of struct sh_args.
3559         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
3560         CALL_COOKIE_INT_REG_GET): Likewise.
3561
3562 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
3563
3564         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
3565         transformations are applied successfully.
3566
3567 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
3568
3569         * tree.c (tree_contains_struct): Permit 512 tree codes.
3570         * tree.h (tree_contains_struct): Ditto.
3571         (MAX_TREE_CODES): Ditto.
3572         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
3573         SPARE member to store remaining padding bits.
3574
3575 2007-03-27  Anatoly Sokolov <aesok@post.ru>
3576
3577         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
3578         architecture.
3579
3580 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
3581
3582         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
3583         * configure: Regenerate.
3584
3585         * configure: Regenerate using the correct version of autoconf.
3586
3587 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
3588
3589         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
3590         pointer regs.
3591         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
3592         regs to "__SP_L__" and "__SP_H__".
3593
3594 2007-03-27  Richard Guenther  <rguenther@suse.de>
3595
3596         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
3597         computations with it with a HOST_WIDE_INT variable.
3598
3599 2007-03-26  Mike Stump  <mrs@apple.com>
3600
3601         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
3602         objective-c-header, objective-c++-header and objc++-cpp-output
3603         support.
3604         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
3605
3606 2007-03-26  Richard Henderson  <rth@redhat.com>
3607
3608         PR target/31361
3609         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
3610         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
3611         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
3612         IX86_BUILTIN_PSRLQ128): New.
3613         (ix86_init_mmx_sse_builtins): Add them.
3614         (ix86_expand_builtin): Expand them.
3615         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
3616         operand 2 be TImode.
3617         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
3618         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
3619         _mm_srli_epi64): Mark __B const.
3620         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
3621         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
3622         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
3623         new two-vector shift builtins.
3624
3625 2007-03-26  Ian Lance Taylor  <iant@google.com>
3626
3627         PR tree-optimization/31345
3628         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
3629         [+INF, +INF(OVF)] into VARYING.
3630
3631 2007-03-26  Zack Weinberg  <zackw@panix.com>
3632
3633         * gengtype-parse.c: New file.
3634         * gengtype-yacc.y: Delete.
3635         * gengtype-lex.l: Don't include gengtype-yacc.h.
3636         Define YY_DECL and yyterminate appropriately for recursive
3637         descent parser.  yylval is now a string out-parameter to yylex.
3638         (HWS, EOID): New shorthand.
3639         (IWORD): Add a couple more types.
3640         (yylex): Add a setup stanza.  Remove the complex rules for
3641         detecting GTY'ed types and typedefs; replace with simple
3642         keyword detectors.  Adjust everything for the changed
3643         definition of yylval.  Ignore all pp-directives, not just #define.
3644         (yyerror): Delete.
3645         (parse_file): Rename yybegin; do not call yyparse.
3646         (yyend): New.
3647         * gengtype.c (xasprintf): Export again.
3648         (this_file): New.  Use everywhere __FILE__ was being used.
3649         (get_lang_bitmap): Special case types defined in gengtype.c.
3650         (do_typedef, new_structure): Suppress definition of certain types.
3651         (new_structure): Improve diagnostics of duplicate definitions.
3652         Make sure location_s is associated with input.h.
3653         (nreverse_pairs, define_location_structures): New functions.
3654         (main): Improve tagging of kludge types.  Remove old kludges
3655         for input.h types; use define_location_structures.
3656         * gengtype.h: Update prototypes.  Define token codes here.
3657         * Makefile.in: Remove all references to gengtype-yacc.
3658         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
3659         and gengtype.
3660         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
3661         add GTY((skip)) to the field that's only conditionally there.
3662         * doc/install.texi: Document that Bison is no longer required
3663         unless building treelang.
3664
3665         * gengtype.c: Don't include gtyp-gen.h.
3666         (srcdir): Declare here.
3667         (base_files, lang_dir_names): Allocate dynamically.
3668         (gt_files, num_gt_files, num_lang_dirs): New globals.
3669         (measure_input_list, read_input_line, read_input_list)
3670         (set_lang_bitmap): New functions.
3671         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
3672         simplify, relying on read_input_list to set up the bitmaps.
3673         (main): Arguments are no longer unused.  Check for correct number
3674         of command line arguments, set srcdir and srcdir_len, then call
3675         read_input_list, before doing anything else.  No need to worry
3676         about duplicates in main loop.
3677         * configure.ac: Simplify the calculation of all_gtfiles.
3678         Put language tags in there.  Don't set or substitute
3679         all_gtfiles_files_langs or all_gtfiles_files_frags.
3680         * Makefile.in: Revamp the way gengtype is invoked, now that it
3681         takes a file on its command line with a much simpler format.
3682         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
3683         (GTFILES): Remove duplicates and C source files.
3684         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
3685         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
3686         * configure: Regenerate.
3687
3688         * gengtype.h: Remove all type definitions to gengtype.c; leave
3689         only definitions of options_p, type_p, and pair_p as opaque
3690         pointers.  Update prototypes.
3691         * gengtype.c: Many type definitions moved here from gengtype.h.
3692         Consolidate type definitions at the top of the file.
3693         (xvasprintf): Delete.
3694         (xasprintf): Make static.
3695         (create_nested_pointer_option): Add 'next' parameter.
3696         (create_field_all, create_field_at): New functions.
3697         (create_field): Now a thin wrapper around create_field_all.
3698         (create_optional_field): Rename create_optional_field_ and add
3699         line argument.  Original name is now a macro which supplies
3700         __LINE__.
3701         (oprintf): Use vsnprintf directly.
3702         (close_output_files): Use fatal rather than perror/exit.
3703         (note_def_vec, note_def_vec_alloc): Use create_field_at.
3704         (main): Set progname.  Don't use exit.
3705         * gengtype-yacc.y (struct_fields): Use create_field_at.
3706         (option, optionseqopt): Delete.
3707         (optionseq): Consolidate productions from option here so we
3708         can use the first argument to create_option.
3709
3710         * gengtype-lex.l: Distinguish unions from structures in the
3711         token type.  Don't call find_structure; return the tag as a string.
3712         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
3713         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
3714         Reorganize typedef_struct production accordingly.
3715         Use create_nested_ptr_option.
3716         * gengtype.c (create_nested_ptr_option): New function.
3717         * gengtype.h: Declare it.
3718
3719         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
3720         (string_type): Don't declare.
3721         (do_scalar_typedef): Declare.
3722         (create_scalar_type): Update prototype.
3723         * gengtype.c (string_type): Make static.
3724         (scalar_nonchar, scalar_char): New.
3725         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
3726         (resolve_typedef): Use scalar_nonchar for error recovery.
3727         (create_scalar_type): Remove name_len field.  Return scalar_char
3728         or scalar_nonchar as appropriate.
3729         (adjust_field_type): Look at scalar_is_char boolean to decide whether
3730         to use string_type.
3731         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
3732         whenever possible.
3733         (main): Initialize scalar_char and scalar_nonchar before calling
3734         gen_rtx_next.
3735         * gengtype-lex.l: Adjust for removal of second argument to
3736         create_scalar_type.  Use yylval.s instead of yylval.t when
3737         returning SCALAR.
3738         * gengtype-yacc.y: Type of SCALAR is string.  Call
3739         create_scalar_type from type:SCALAR rule.  Adjust for removal of
3740         second argument to create_scalar_type.
3741
3742         * vec.h: Remove all #if IN_GENGTYPE blocks.
3743         Add comment saying that changes may require adjustments to gengtype.
3744         * gengtype.c: Don't include coretypes.h or tm.h.
3745         Add comment to inclusion of errors.h.
3746         (note_def_vec, note_def_vec_alloc): New functions.
3747         * gengtype.h: Declare new functions.
3748         * gengtype-lex.l: Don't include coretypes.h.
3749         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
3750         Delete.
3751         (update_lineno): Remove unnecessary prototype.
3752         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
3753         (VEC rule): Just return VEC_TOKEN.
3754         * gengtype-yacc.y (VEC_TOKEN): New token type.
3755         (type): Add a production for VEC(a,b).
3756         * Makefile.in: Update dependencies.
3757
3758         * gengtype-lex.l: Remove rules for parsing pointer-to-function
3759         typedefs that use the old PARAMS macro.
3760
3761         * gengtype-lex.l: Remove all rules and states relating to yacc
3762         input files.
3763         * gengtype-yacc.y: Similarly.
3764         * gengtype.c (note_yacc_type): Delete function.
3765         * gengtype.h: Update prototypes.
3766
3767 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
3768
3769         * tree-pretty-print.c (dump_generic_node): Report precision of
3770         unnamed integer types.
3771
3772 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
3773
3774         * ifcvt.c (noce_try_store_flag_constants): Don't check
3775         no_new_pseudos here.
3776         (noce_try_store_flag_constants): Don't check no_new_pseudos.
3777         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
3778         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
3779         noce_try_sign_mask): Likewise.
3780         (if_convert): Check no_new_pseudos here.
3781
3782         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
3783         Remove prototypes.
3784         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
3785         (noce_get_condition): Handle new then_else_reversed argument.
3786         (noce_init_if_info): Remove, fold into noce_find_if_block.
3787         (noce_process_if_block): Take a struct noce_if_info as the
3788         argument.  Don't set up one based on ce_if_info.  Update pointer
3789         references accordingly.
3790         (cond_move_process_if_block): Likewise.
3791         (process_if_block): Removed.
3792         (find_if_block): Removed.  Move functionality two new functions,
3793         noce_find_if_block and cond_exec_find_if_block.
3794         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
3795         blocks and the symmetric IF-ELSE-JOIN case.
3796         (cond_exec_find_if_block): Also new function mostly based on old
3797         find_if_block and process_if_block.
3798         (find_if_header): Replace find_if_block call with separately
3799         guarded calls to noce_find_if_block and cond_exec_find_if_block.
3800         (find_cond_trap): Update noce_get_condition call.
3801         (dead_or_predicable): Likewise.
3802
3803 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
3804
3805         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
3806         Remove.
3807         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
3808         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
3809         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
3810         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
3811         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
3812         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
3813         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
3814         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
3815         __builtin_ia32_psrad128 builtins.
3816
3817 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
3818
3819         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
3820         * config/i386/constraints.md
3821         (define_constraint "I"): Use IN_RANGE macro.
3822         (define_constraint "J"): Ditto.
3823         (define_constraint "K"): Ditto.
3824         (define_constraint "M"): Ditto.
3825         (define_constraint "N"): Ditto.
3826         (define_constraint "O"): Ditto.
3827         * config/i386/predicates.md
3828         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
3829         (define_predicate "const_0_to_3_operand"): Ditto.
3830         (define_predicate "const_0_to_7_operand"): Ditto.
3831         (define_predicate "const_0_to_15_operand"): Ditto.
3832         (define_predicate "const_0_to_63_operand"): Ditto.
3833         (define_predicate "const_0_to_255_operand"): Ditto.
3834         (define_predicate "const_1_to_31_operand"): Ditto.
3835         (define_predicate "const_2_to_3_operand"): Ditto.
3836         (define_predicate "const_4_to_7_operand"): Ditto.
3837
3838 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
3839
3840         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
3841         in SImode for save_world.
3842         * config/rs6000/altivec.md (save_world, restore_world): Convert to
3843         LR hard reg.
3844
3845 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
3846
3847         PR tree-optimization/30784
3848         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
3849         BIT_FIELD_REF.
3850
3851 2007-03-25  Revital Eres  <eres@il.ibm.com>
3852
3853         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
3854           Fold movement_possibility function into it.
3855
3856 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
3857
3858         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
3859         (load_macho_picbase_{si,di}): Convert to LR hard reg.
3860         (call_indirect_nonlocal_darwin64): Same.
3861         (call_nonlocal_darwin64): Same.
3862         (call_value_indirect_nonlocal_darwin64): Same.
3863         (call_value_nonlocal_darwin64): Same.
3864         (sibcall_nonlocal_darwin64): Same.
3865         (sibcall_value_nonlocal_darwin64): Same.
3866         (sibcall_symbolic_64): Same.
3867         (sibcall_value_symbolic_64): Same.
3868         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
3869         LR pseudo.
3870         (rs6000_emit_load_toc_table): Same.
3871         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
3872         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
3873         (mull_call): Same.
3874         (divss_call): Same.
3875         (divus_call): Same.
3876         (quoss_call): Same.
3877         (quous_call): Same.
3878         (load_toc_v4_pic_si): Same
3879         (load_toc_v4_PIC_1): Same.
3880         (load_toc_v4_PIC_1b): Same.
3881         (call_indirect_aix{32,64}): Same.
3882         (call_value_indirect_aix{32,64}): Same.
3883         (call): Same.
3884         (call_value): Same.
3885         (call_local{32,64}): Same.
3886         (call_value_local{32,64}): Same.
3887         (call_indirect_nonlocal_aix{32,64}): Same.
3888         (call_nonlocal_aix{32,64}): Same.
3889         (call_value_indirect_nonlocal_aix{32,64}): Same.
3890         (call_value_nonlocal_aix{32,64}): Same.
3891         (call_indirect_nonlocal_sysv<mode>): Same.
3892         (call_nonlocal_sysv<mode>): Same.
3893         (call_value_indirect_nonlocal_sysv<mode>): Same.
3894         (call_value_nonlocal_sysv<mode>): Same.
3895         (sibcall): Same.
3896         (sibcall_local{32,64}): Same.
3897         (sibcall_value_local{32,64}): Same.
3898         (sibcall_nonlocal_aix{32,64}): Same.
3899         (sibcall_value_nonlocal_aix{32,64}): Same.
3900         (sibcall_nonlocal_sysv<mode>): Same.
3901         (sibcall_value): Same.
3902         (sibcall_value_nonlocal_sysv<mode>): Same.
3903
3904 2007-03-24  Paul Brook  <paul@codesourcery.com>
3905
3906         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
3907         * config/arm/linux-eabi.h: Remove legacy syscall hack.
3908
3909 2007-03-24  Richard Henderson  <rth@redhat.com>
3910
3911         * config/ia64/constraints.md: New file.
3912         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
3913         satisfies_constraint_?.
3914         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
3915         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
3916         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
3917         ia64_output_mi_thunk): Likewise.
3918         (ia64_const_ok_for_letter_p): Remove.
3919         (ia64_const_double_ok_for_letter_p): Remove.
3920         (ia64_extra_constraint): Remove.
3921         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
3922         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
3923         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
3924         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
3925         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
3926         EXTRA_MEMORY_CONSTRAINT): Remove.
3927         * config/ia64/ia64.md: Include constriants.md.  Replace
3928         CONST_OK_FOR_? with satisfies_constraint_?.
3929
3930 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
3931             H.J. Lu  <hongjiu.lu@intel.com>
3932
3933         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
3934         DPD or BID name.
3935         (name macros): Use DPD_BID_NAME to convert names properly.
3936
3937         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
3938         decimal floating point format.
3939         (init_floating_libfuncs): Change decimal functions so that they
3940         have a "bid_" prefix if the decimal system uses the BID format,
3941         and "dpd_" prefix if the decimal system uses the DPD format.
3942         (init_interclass_conv_libfuncs): Ditto.
3943         (init_intraclass_conv_libfuncs): Ditto.
3944
3945         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3946         using the BID format.
3947
3948         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3949         whether we are using the BID decimal format.
3950         * configure: Regenerate.
3951
3952         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3953         the compiler has decimal floating point enabled.  Define
3954         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3955         instead of DPD.
3956
3957         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3958         using the BID format.
3959
3960         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3961         whether we are using the BID decimal format.
3962         * configure: Regenerate.
3963
3964         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3965         the compiler has decimal floating point enabled.  Define
3966         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3967         instead of DPD.
3968
3969         * doc/install.texi (--enable-decimal-float): Document BID and DPD
3970         options, and that it is enabled for i386/x86_64 systems.
3971
3972         * Makefile.in (enable_decimal_float): New.
3973         (DECNUMFMT): New.
3974         (DECNUMINC): Add  -I$(DECNUMFMT).
3975         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
3976         to $(DECNUMFMT) from $(DECNUM).
3977
3978         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
3979         Substitute enable_decimal_float.
3980         * configure: Regenerated.
3981
3982         PR other/30529
3983         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
3984         unsigned long.
3985
3986         * configure.ac: Enable decimal float for x86_64-*-linux*.
3987         * configure: Regenerated.
3988
3989         PR other/30530
3990         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
3991         decimal128ClearSign to flip and clear the sign bit in decimal128.
3992         (decimal_real_maxval): Set decimal128SetSign to set the sign
3993         bit in decimal128.
3994
3995 2007-03-23  Ian Lance Taylor  <iant@google.com>
3996
3997         * fold-const.c (fold_binary): Correct warning for X - c >= X.
3998
3999 2007-03-23  Ian Lance Taylor  <iant@google.com>
4000
4001         * tree-dump.c (dump_files): Correct comment.
4002
4003 2007-03-23  Ian Lance Taylor  <iant@google.com>
4004
4005         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
4006
4007 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
4008
4009         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
4010         in cfglayout mode.  Don't go into and out of cfglayout mode.
4011         Link the blocks in the order of the constructed traces.
4012         (rest_of_handle_tracer): Adjust call to tracer.
4013         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
4014         Don't go into cfglayout mode.
4015         (rtl_loop_done): Don't go out of cfglayout mode.
4016         * cfglayout.c (relink_block_chain): New function, split out from...
4017         (fixup_reorder_chain): ...here.  Remove redundant checking.
4018         (cfg_layout_finalize): Don't clear the header, footer, and aux
4019         fields here, move the code to do so to relink_block_chain.  Likewise
4020         for free_original_copy_tables.
4021         * rtl.h (tracer): Update prototype.
4022         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
4023         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
4024         mode.  Use relink_block_chain to serialize the CFG according to the
4025         new basic block order.  Move targetm.cannot_modify_jumps_p check from
4026         here...
4027         (gate_handle_reorder_blocks): ...to here.
4028         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
4029         from here...
4030         (gate_duplicate_computed_gotos): ...to here.
4031         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
4032         something always changes when going into and out of cfglayout mode.
4033         Perform an expensive cfg cleanup while going into cfglayout mode.
4034         Always update liveness information on HAVE_conditional_execution
4035         targets.  Reserialize the basic blocks and go out of cfglayout mode.
4036         * reg-stack.c: Include cfglayout.h.
4037         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
4038         the call to reorder_basic_blocks.
4039         * basic-block.h (reorder_basic_blocks): Update prototype.
4040         (relink_block_chain): New prototype.
4041         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
4042
4043 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
4044
4045         * config/mips/mips.md (type, hazard, *movdi_32bit,
4046         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
4047         *movhi_internal, *movqi_internal, *movsf_hardfloat,
4048         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
4049         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
4050         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
4051         applicable.
4052         (movcc): Change first xfer to multi.
4053         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
4054         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
4055         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
4056         config/mips/generic.md: Change reservations using "xfer" to use
4057         "mfc,mtc".
4058         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
4059         using match_operand.
4060         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
4061         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
4062         examining mode.
4063         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
4064
4065 2007-03-22  Richard Henderson  <rth@redhat.com>
4066
4067         * config/i386/i386.c: Remove unnecessary function declarations.
4068         Move targetm definition, and all related macros, to the end of
4069         the file.  Resort some functions to put definitions before uses.
4070         (ix86_attribute_table): Make static.  Move to end of file.
4071         (ix86_gimplify_va_arg): Make static.
4072
4073 2007-03-22  Richard Henderson  <rth@redhat.com>
4074
4075         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
4076         don't increase local_regparm with force_align_arg_pointer check.
4077         (ix86_function_sseregparm): Assert 32-bit.
4078         (type_has_variadic_args_p): New.
4079         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
4080         type_has_variadic_args_p.
4081         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
4082         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
4083         use memset instead.  Do maybe_vaarg check first; skip attribute
4084         tests if true; skip attribute tests for 64-bit.
4085         (construct_container): Remove TARGET_DEBUG_ARG.
4086         (function_arg_advance_32, function_arg_advance_64): Split out ...
4087         (function_arg_advance): ... from here.
4088         (function_arg_32, function_arg_64): Split out ...
4089         (function_arg): ... from here.
4090         (ix86_pass_by_reference): Tidy.
4091         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
4092         (function_value_32): New, from parts of ix86_function_value
4093         and ix86_value_regno.
4094         (function_value_64): New, from parts of ix86_function_value
4095         and ix86_libcall_value.
4096         (ix86_function_value_1): New.
4097         (ix86_function_value, ix86_libcall_value): Use it.
4098         (return_in_memory_32, return_in_memory_64): Split out ...
4099         (ix86_return_in_memory): ... from here.
4100         (ix86_struct_value_rtx): Skip for 64-bit.
4101         (ix86_libcall_value, ix86_value_regno): Remove.
4102         (setup_incoming_varargs_64): Split out ...
4103         (ix86_setup_incoming_varargs): ... from here.
4104         (ix86_va_start): Remove TARGET_DEBUG_ARG.
4105         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
4106         * config/i386/i386-protos.h (ix86_function_value): Remove.
4107         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
4108
4109 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4110
4111         PR other/23572
4112         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
4113         infinities not supported, otherwise emit warning if -Woverflow. On
4114         underflow, emit warning if -Woverflow.
4115         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
4116         and 0 otherwise.
4117         * real.h (real_from_string): Update declaration
4118
4119 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
4120             Richard Henderson  <rth@redhat.com>
4121
4122         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
4123         * calls.c (compute_argument_block_size, expand_call,
4124         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
4125         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
4126         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
4127         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
4128         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
4129         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
4130         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
4131         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
4132         Set to 1.
4133
4134 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
4135
4136         * c-incpath.c (add_sysroot_to_chain): New.
4137         (merge_include_chains): Add sysroot argument.  Call
4138         add_sysroot_to_chain if sysrooted.
4139         (register_include_chains): Update call to merge_include_chains.
4140         * doc/cppopts.texi: Document use of '=' in include directory
4141         arguments.
4142
4143 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
4144
4145         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
4146         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
4147         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
4148         insn pattern using X87MODEF12 mode macro.
4149
4150 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
4151
4152         * regmove.c (regmove_optimize): Use reg_mentioned_p
4153         instead of reg_overlap_mentioned_p for DST.
4154
4155 2007-03-21  Mike Stump  <mrs@apple.com>
4156
4157         * c.opt: Fixup for Objective-C/C++.
4158
4159 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
4160
4161         * explow.c (convert_memory_address): Fold memory reference when
4162         POINTERS_EXTEND_UNSIGNED < 0
4163
4164 2007-03-21  Richard Henderson  <rth@redhat.com>
4165
4166         PR target/31245
4167         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
4168         * config/i386/mmintrin.h (__m64): Likewise.
4169         * config/i386/xmmintrin.h (__m128): Likewise.
4170
4171 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
4172
4173         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
4174         (VXWORKS_OS_CPP_BUILTINS): Define.
4175         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
4176         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
4177
4178 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
4179
4180         * rtl.h (constant_pool_reference_p): Delete.
4181         (find_constant_src): Declare.
4182         * rtlanal.c (find_constant_src): New function.
4183         * simplify-rtx.c (constant_pool_reference_p): Delete.
4184         * config/i386/i386.md: Use find_constant_src instead of
4185         constant_pool_reference_p/avoid_constant_pool_reference pairs.
4186
4187 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
4188
4189         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
4190         * c-cppbuiltin.c (c_cpp_builtins): Define them.
4191
4192 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
4193
4194         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
4195         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
4196         (arm_elf_asm_constructor): Use it.
4197         (arm_elf_asm_destructor): New function.
4198
4199 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
4200
4201         * jump.c (mark_jump_label): Treat SEQUENCE specially.
4202
4203 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
4204
4205         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
4206
4207 2007-03-19  Andrew Haley  <aph@redhat.com>
4208
4209         PR tree-optimization/31264
4210         * tree-vrp.c (register_edge_assert_for_1): Don't look though
4211         VIEW_CONVERT_EXPRs.
4212
4213 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
4214
4215         PR rtl-optimization/30907
4216         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
4217         (fwprop_init): Always call loop_optimizer_initialize.
4218         (fwprop_done): Always call loop_optimizer_finalize.
4219         (fwprop): We always have loop info now.
4220         (gate_fwprop_addr): Remove.
4221         (pass_fwprop_addr): Use gate_fwprop as gate.
4222
4223         PR rtl-optimization/30841
4224         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
4225         df_chain_alloc): Call df_reorganize_refs unconditionally.
4226         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
4227         refs_organized to refs_organized_size.
4228         (df_ref_create_structure): Use refs_organized_size instead of
4229         bitmap_size if refs had been organized, and keep refs_organized_size
4230         up-to-date.
4231         * df.h (struct df_ref_info): Change refs_organized to
4232         refs_organized_size.
4233         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
4234         bitmap_size.
4235
4236 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
4237
4238         * except.c (output_function_exception_table): Do not reference the
4239         EH personality routine for functions that do not require an
4240         exception table.
4241
4242 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
4243
4244         PR c/30762
4245         * c-typeck.c (convert_for_assignment): Call comptypes for
4246         RECORD_TYPE or UNION_TYPE.
4247
4248         PR inline-asm/30505
4249         * reload1.c (reload): Do invalid ASM checking after
4250         cleanup_subreg_operands.
4251
4252 2007-03-19  Jeff Law  <law@redhat.com>
4253
4254         * tree-cfg.c (find_taken_edge): Tighten conditions for
4255         optimizing computed gotos.
4256
4257 2007-03-19  Michael Matz  <matz@suse.de>
4258
4259         * builtins.c (expand_builtin_sync_operation,
4260         expand_builtin_compare_and_swap,
4261         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
4262         correctly.
4263
4264         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
4265         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
4266         for operand 3.
4267
4268 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4269
4270         * doc/tm.texi: Add brackets around the return type of
4271         TARGET_SECONDARY_RELOAD.
4272
4273 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4274         Richard Guenther  <rguenther@suse.de>
4275
4276         PR tree-optimization/31254
4277         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
4278         Use handled_component_p () where appropriate.  Continue
4279         propagating into the rhs if we propagated into an INDIRECT_REF
4280         on the lhs.
4281
4282 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4283
4284         * config/s390/s390.md (op_type attribute): RRR instruction type added.
4285         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
4286         (xde, xdee): Mode attributes adjusted to support DFP modes.
4287         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
4288         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
4289         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
4290         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
4291         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
4292         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
4293         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
4294         numbers.
4295         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
4296         "movsf"): Insn definitions removed.
4297         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
4298         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
4299         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
4300         definitions added.
4301         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
4302         "reload_in<mode>", "reload_out<mode>"): Expander added.
4303         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
4304         Expander removed.
4305
4306 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4307
4308         * config/s390/s390.md: Only non-functional changes.  Renamed
4309         FPR mode macro to BFP all over the file.
4310
4311 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4312
4313         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
4314         (op_type attribute): RRF instruction type added.
4315         (fT0): New mode attribute.
4316         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
4317         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
4318         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
4319         no secondary memory is needed when moving DFmode values between GPRs
4320         and FPRs.
4321
4322 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4323
4324         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
4325         inverted and documentation adjusted.
4326         ("mhard-dfp", "msoft-dfp"): New options.
4327         * config/s390/s390.c (s390_handle_arch_option): New architecture
4328         switch: z9-ec.
4329         (override_options): Sanity checks for the new options added.
4330         * config.gcc: New architecture switch: z9-ec.
4331         * config/s390/s390.h (processor_flags): PF_DFP added.
4332         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
4333         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
4334         when the bit is NOT set so remove it from the defaults.
4335
4336 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
4337
4338         * genemit.c (main): Print include statement for dfp.h.
4339         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
4340         is not available.
4341
4342 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
4343
4344         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
4345
4346 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
4347
4348         PR target/31022
4349         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
4350         instead of PATTERN.
4351
4352 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4353
4354         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
4355         attr_length_call, output_call, output_indirect_call): Cleanup
4356         formatting of targetm calls.
4357
4358 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
4359
4360         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
4361
4362 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4363
4364         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
4365         reservation, bypass and anti-bypass descriptions for these instructions.
4366         Update move patterns.
4367         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
4368         TYPE_FPSTORE.
4369
4370 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
4371
4372         * tree-vect-transform.c (get_initial_def_for_induction): Replace
4373         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
4374         (get_initial_def_for_reduction): Likewise.
4375
4376 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
4377
4378         Fix PR tree-optimization/29922
4379         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
4380         (get_representative): Removed.
4381         (value_dies_in_block_x): Update for rvuse removal.
4382         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
4383         (compute_antic_aux): Handle when PHI nodes appear in
4384         non-single-successors.
4385         (dump_bitmap_of_names): Removed.
4386         (compute_antic_safe): Renamed and removed rvuse calculation.
4387         Calculate only antic safe.
4388         (insert_into_preds_of_block): Remove assert.
4389         (execute_pre): Update for renamed functions.
4390         (defer_or_phi_translate_block): New function.
4391
4392 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
4393
4394         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
4395         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
4396         typos.
4397         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
4398         Follow spelling conventions.
4399
4400         * tree-data-ref.h: Remove the prototype for analyze_array.
4401
4402 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
4403
4404         PR tree-optimization/31041
4405         * tree-vect-transform.c (get_initial_def_for_induction): Call
4406         force_gimple_operand.
4407
4408 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
4409
4410         * ipa-type-escape.c (look_for_casts) : Revert code to use
4411         handled_component_p due to ada test a-numaux.adb.
4412
4413 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
4414
4415         * final.c (final_scan_insn): Alter the condition of a
4416         conditional trap if we have nonstandard CC.
4417
4418 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4419
4420         * configure.ac: Remove excess quoting from asm line 0 test.
4421         * configure: Rebuilt.
4422
4423 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4424
4425         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
4426         * c-common.c (convert_and_check): Move warning logic to...
4427         (warnings_for_convert_and_check): ...here. Define.
4428         * c-common.h (warnings_for_convert_and_check): Declare.
4429
4430 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4431
4432         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
4433         (output_call): Likewise.
4434
4435 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
4436
4437         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
4438
4439 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
4440
4441         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
4442
4443 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
4444
4445         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
4446         opteron, athlon-64 and athlon-fx processor_alias_table entries.
4447
4448 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
4449
4450         PR tree-optimization/31183
4451         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
4452         Use double_int instead of unsigned int for representing access_strides.
4453         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
4454
4455 2007-03-16  Richard Guenther  <rguenther@suse.de>
4456
4457         PR tree-optimization/31146
4458         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
4459         to allow recursion of forward_propagate_addr_expr.
4460         (forward_propagate_addr_into_variable_array_index): Likewise.
4461         (forward_propagate_addr_expr): Likewise.
4462         (tree_ssa_forward_propagate_single_use_vars): Likewise.
4463         (forward_propagate_addr_expr_1): Recurse on simple copies
4464         instead of propagating into them.  Do so for useless conversions
4465         as well.
4466         (forward_propagate_addr_expr): Clean up unused statements after
4467         recursion.
4468
4469 2007-03-16  Richard Guenther  <rguenther@suse.de>
4470
4471         * builtins.c (expand_builtin_cexpi): Use the right argument
4472         for the expansion via cexp.
4473
4474 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4475
4476         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
4477         * configure: Rebuilt.
4478
4479 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
4480
4481         PR debug/29906
4482         * dwarf2out.c (force_type_die): Adjust comment.
4483         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
4484
4485 2007-03-15  DJ Delorie  <dj@redhat.com>
4486
4487         * config/frv/predicates.md (minmax_operator): Don't check operands
4488         here.
4489
4490 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
4491
4492         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
4493         Update constant estimates of number of iterations.
4494         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
4495         argument renamed to "realistic".
4496         (compute_estimated_nb_iterations): Removed.
4497         (record_niter_bound): New function.
4498         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
4499         call record_nonwrapping_iv with upper = false.
4500         (infer_loop_bounds_from_signedness): Pass upper argument to
4501         record_nonwrapping_iv.
4502         (estimate_numbers_of_iterations_loop): Do not call
4503         compute_estimated_nb_iterations.  Record estimate based on profile
4504         information.  Initialize the constant estimates of number of
4505         iterations.
4506         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
4507         estimates.
4508         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
4509         number of iterations is too small.
4510         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
4511         (EST_NOT_AVAILABLE): Removed.
4512         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
4513         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
4514         fields.
4515
4516 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
4517
4518         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
4519         Handle NE_EXPR guards.
4520
4521 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4522
4523         PR c++/24924
4524         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
4525         Set also -pedantic-errors by default for the  preprocessor unless
4526         -fpermissive is given.
4527
4528 2007-03-15  Richard Guenther  <rguenther@suse.de>
4529
4530         PR middle-end/29719
4531         PR middle-end/31161
4532         * builtins.c (expand_builtin_cexpi): As a fallback if we
4533         don't have builtins for sincos or cexp create a function
4534         declaration for cexp and expand to a call to that.
4535         (expand_builtin_int_roundingfn): Always fall
4536         back to floor/ceil and its variants even if they may be
4537         not available.
4538
4539 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
4540
4541         PR middle-end/31159
4542         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
4543         jump tables, move the call to delete_dead_jumptables from here...
4544         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
4545         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
4546         don't allow merging of blocks that try_redirect_by_replacing_jump
4547         also does not handle when not optimizing.
4548
4549 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
4550             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
4551
4552         * config/i386/i386.md (x86_sahf_1): Correctly handle
4553         HAVE_AS_IX86_SAHF.
4554
4555 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
4556
4557         PR target/31167
4558         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
4559         x86_64_general_operand as operand[2] predicate.  Remove "iF"
4560         from operand constraints and use "e" constraint instead.
4561         (*subti3_1, *subti3_1 splitter): Ditto.
4562         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
4563         operand[1] predicate.
4564
4565 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
4566
4567         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
4568         arrays, multiply the access strides by the size of the sub-array.
4569         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
4570
4571 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
4572
4573         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
4574         the configured assembler supports the sahf mnemonic.
4575         * configure: Regenerate.
4576         * config.in: Regenerate.
4577
4578         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
4579         emit "sahf" or ".byte\t0x9e" as asm template.
4580
4581 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
4582
4583         PR 31018
4584         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
4585         option to replace hard coded TARGET_xxx in md file.
4586         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
4587         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4588         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
4589         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
4590         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
4591         (X86_TUNE_NOT_VECTORMODE): Ditto.
4592         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
4593         (TUNE_AVOID_VECTOR_DECODE): Ditto.
4594         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4595         (TUNE_SLOW_IMUL_IMM8): Ditto.
4596         (TUNE_MOVE_M1_VIA_OR): Ditto.
4597         (TUNE_NOT_UNPAIRABLE): Ditto.
4598         (TUNE_NOT_VECTORMODE): Ditto.
4599
4600         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
4601         options.
4602
4603         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
4604         tuning options instead of hard coded TARGET_xxx.
4605         (fix ssemode peephole2's): Ditto.
4606         (imul peephole2's): Ditto.
4607         (movsi_or): Ditto.
4608         (movdi_or_rex64): Ditto.
4609         (move peephole2): Ditto.
4610         (not peephole2's): Ditto.
4611
4612 2007-03-14  Dirk Mueller  <dmueller@suse.de>
4613
4614         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
4615         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
4616         * c-parser.c (c_parser_if_body): Always add an empty statement in case
4617         of empty body.
4618         * c-parser.c (c_parser_do_statement): Warn about empty body in
4619         do/while statement.
4620         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
4621         * doc/invoke.texi (-Wempty-body): Update documentation.
4622
4623 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4624
4625         PR c/21438
4626         * c-common.h (warn_for_div_by_zero): Declare.
4627         * c-common.c (warn_for_div_by_zero): Define.
4628         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
4629         warning.
4630
4631 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4632
4633         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
4634         to PREFIX and STANDARD_PREFIX.
4635
4636 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4637             Phil Edwards  <phil@codesourcery.com>
4638
4639         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
4640         (__gthread_once_t): Remove busy field for RTPs.
4641         (__GTHREAD_ONCE_INIT): Update accordingly.
4642
4643 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
4644
4645         * doc/invoke.texi: Document VxWorks options.
4646
4647 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
4648
4649         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
4650
4651 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
4652
4653         PR tree-optimization/30590
4654         * tree-nrv.c (tree_nrv): Check for the partial update of the
4655         return value.
4656
4657 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
4658
4659         * flags.h (flag_random_seed): Remove declaration, in favor of...
4660         * toplev.h (get_random_seed, set_random_seed): ... these.
4661         * tree.c (get_file_function_name): Use the former.
4662         * opts.c (common_handle_option): Use the latter.
4663         * toplev.c
4664
4665 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
4666
4667         PR middle-end/31127
4668         * cse.c (cse_find_path): Do not bail out if a basic block that
4669         we already visited now becomes part of a path that starts at a
4670         different basic block.  Just disallow this, to make sure we
4671         visit each basic block at most once.
4672
4673 2007-03-13  Jan Hubicka  <jh@suse.cz>
4674
4675         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
4676         when profile esitmate is present, calls with very low frequency are
4677         cold.
4678
4679 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
4680
4681         PR tree-optimization/30730
4682         PR tree-optimization/26900
4683         * tree-ssa-loop-niter.c: Include gmp.h.
4684         (bounds): New type.
4685         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
4686         split_to_var_and_offset, determine_value_range,
4687         bound_difference_of_offsetted_base, refine_bounds_using_guard,
4688         bound_difference, bounds_add, bounds_negate,
4689         number_of_iterations_ne_max, dump_affine_iv): New functions.
4690         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4691         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
4692         difference of initial and final value of control iv to validate
4693         results.
4694         (number_of_iterations_cond): Add loop parameter.  Determine bounds
4695         on the difference of the extremes of the control iv.  Add dumps.
4696         (expand_simple_operations): Handle phi nodes.
4697         (simplify_using_initial_conditions): Do not record used conditions.
4698         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
4699         Do not set additional_info.
4700         (implies_nonnegative_p, implies_ge_p): Removed.
4701         (derive_constant_upper_bound): Do not use parameter `additional'.
4702         (record_estimate): Parameter `additional' removed.  Parameter
4703         `i_bound' added.  Do not call derive_constant_upper_bound.
4704         (record_nonwrapping_iv): Use derive_constant_upper_bound to
4705         bound the number of iterations estimate.
4706         (estimate_numbers_of_iterations_loop): Pass the estimate from
4707         the number of iterations analysis to record_estimate.
4708         * tree.h (multiple_of_p): Declare.
4709         * tree-scalar-evolution.c (expression_expensive_p): Removed.
4710         (scev_const_prop): Do not check expression_expensive_p.
4711         * fold-const.c (multiple_of_p): Exported.
4712         * double-int.c (double_int_mask): Exported.
4713         * double-int.h (double_int_mask): Declare.
4714         * tree-flow.h (struct tree_niter_desc): Removed additional_info
4715         field.  Added max field.
4716
4717 2007-03-13  David Taylor  <taylor@candd.org>
4718
4719         PR driver/12448:
4720         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
4721         default -MQ.
4722
4723 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4724
4725         PR target/31123
4726         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
4727         two unamed patterns.
4728
4729 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
4730
4731         * config/i386/i386.opt (mcx16, msahf): New options.
4732         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
4733         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
4734
4735         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
4736         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
4737         Output -mcx16 and -msahf options when corresponding bit is set.
4738
4739         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
4740         and -msahf options.
4741
4742 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
4743
4744         * configure.ac: Test for assembler tolerance to # 0 "".
4745         * configure, config.in: Rebuilt.
4746         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
4747
4748 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
4749
4750         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
4751
4752         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
4753         (handle_syscall): Handle direct system calls.
4754         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
4755
4756 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
4757
4758         * doc/invoke.texi: Fix cpp.info cross-reference.
4759         * doc/passes.texi: Fix gcc.info cross-reference.
4760
4761 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
4762
4763         PR tree-optimization/30835
4764         * lambda-code.c (can_convert_to_perfect_nest): Check whether
4765         bb_for_stmt is not NULL before accessing it.
4766
4767 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
4768
4769         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
4770         some multilibs.
4771
4772 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
4773
4774         PR 30635
4775         * doc/install.texi: Document --enable-stage1-languages
4776
4777 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
4778
4779         * tree-pass.h (pass_into_cfg_layout_mode,
4780         pass_outof_cfg_layout_mode): Declare.
4781         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
4782         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
4783         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
4784         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
4785
4786 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
4787
4788         * c-decl.c (warn_variable_length_array): New function.
4789         Refactored from grokdeclarator to handle warn_vla
4790         and handle unnamed array case.
4791         (grokdeclarator): Refactored VLA warning case.
4792         * c.opt (Wvla): New flag.
4793         * doc/invoke.texi (Wvla): New warning.
4794
4795 2007-03-12  Richard Henderson  <rth@redhat.com>
4796
4797         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
4798         (TARGET_SECTION_TYPE_FLAGS): New.
4799
4800 2007-03-12  Richard Henderson  <rth@redhat.com>
4801
4802         * config/darwin.c (machopic_reloc_rw_mask): New.
4803         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
4804         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
4805
4806 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
4807
4808         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
4809         * cppdefault.h (cpp_PREFIX): Document.
4810         (cpp_PREFIX_len): Likewise.
4811         (cpp_EXEC_PREFIX): New variable.
4812         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
4813         * c-incpath.c (add_standard_paths): Correct logic for relocating
4814         paths within prefix.
4815
4816 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
4817
4818         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
4819         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
4820         mode macro.
4821         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
4822         fix_truncdfdi_sse using SSEMODEF mode macro.
4823         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
4824         fix_truncdfsi_sse using SSEMODEF mode macro.
4825         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
4826         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
4827
4828 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
4829
4830         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
4831         elfos.h to tm_file.
4832
4833 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
4834
4835         * tree.h : Add multiple_of_p declaration.
4836         * fold-const.c (multiple_of_p): Make multiple_of_p public.
4837         * ipa-type-escape.c (results_of_malloc): Redundant.
4838         (visited_stmts): New. Visited stmt for walk_use_def_chains.
4839         (cast_type): Extended with new members.
4840         (check_cast): Returns cast_type.
4841         (cast): New structure for data of walk_use_def_chains.
4842         (is_malloc_result, is_cast_from_non_pointer_1,
4843         is_cast_from_non_pointer,
4844         is_array_access_through_pointer_and_index): New functions.
4845         (look_for_casts): Returns cast types.
4846         (check_call): Returns void.
4847         (okay_pointer_operation): Use support of pointer plus index,
4848         pointer plus constant and allow all multiplications.
4849
4850 2007-03-11  Richard Guenther  <rguenther@suse.de>
4851
4852         PR tree-optimization/31115
4853         * tree-vrp.c (extract_range_from_binary_expr): Make sure
4854         the shift count is positive and non-anti-range for RSHIFT_EXPR.
4855         A shift count of zero is not special as with *_DIV_EXPR.
4856         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
4857         direction.
4858
4859 2007-03-11  Ian Lance Taylor  <iant@google.com>
4860
4861         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
4862         the *_DIV_EXPR codes correctly with overflow infinities.
4863
4864 2007-03-11  Ira Rosen  <irar@il.ibm.com>
4865
4866         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
4867         indicate success/failure of the analysis. Add negation to subtrahend
4868         in case of subtraction. Fail if both operands contain constants.
4869         (create_data_ref): Fail if analyze_offset fails.
4870
4871 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
4872
4873         * config/i386/i386.md (frndintxf2): Rename to ...
4874         (rintxf2): ... this. Remove expander having same name.
4875         (rintsf2, rintdf2): Implement using SSEMODEF macro.
4876         (roundsf2, rounddf2): Ditto.
4877         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
4878         (lround<mode>di2, lround<mode>si2): Ditto.
4879
4880 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
4881
4882         * lower-subreg.c: Include except.h.
4883         (decompose_multiword_subregs): Verify that the only control flow
4884         insns we can split are loads to multi-words pseudos.
4885         Handle breaking such blocks after splitting, instead of calling
4886         find_many_sub_basic_blocks.
4887
4888         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
4889         on the new basic block.  Add a lengthy comment explaining why we
4890         thought this was necessary.
4891         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
4892
4893 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
4894
4895         PR c++/30924
4896         * tree.c (walk_type_fields): Recurse into the element type of
4897         ARRAY_TYPEs if there is a pointer set.
4898
4899 2007-03-10  Dirk Mueller  <dmueller@suse.de>
4900
4901         * c-common.c (warn_logical_operator): Fix condition.
4902
4903 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
4904
4905         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
4906         quotation mark.
4907         * config/darwin.c (machopic_select_section): Remove superfluous
4908         argument in call to categorize_decl_for_section.  Remove unused
4909         variable shlib.
4910
4911 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
4912
4913         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
4914         defined.
4915         * configure: Regenerate.
4916
4917 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
4918
4919         PR target/31101
4920         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
4921         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
4922         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
4923         Add LABEL_NUSES to emitted label.
4924         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
4925         branch probability value to emitted jump insn.
4926         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
4927         Do not check life information and do not re-arrange input operands
4928         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
4929
4930 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4931
4932         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
4933         the change of decode_asm_operands.
4934
4935 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
4936
4937         * mode-switching.c (create_pre_exit): Skip blockage insn.
4938
4939 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
4940
4941         * tree-pass.h (TODO_update_smt_usage): Remove.
4942         Update all users.
4943         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
4944         argument SOME.
4945         Update all users.
4946
4947 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4948
4949         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
4950         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
4951         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
4952         SOM target.
4953
4954 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
4955
4956         * gcc.c: Document %{, in big comment at top.
4957         (input_suffix_matches): Remove special handling for .s and
4958         .S.
4959         (input_spec_matches): New.
4960         (handle_braces): Handle %{,.
4961         (validate_switches): ',' indicates a value which is not a switch.
4962         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
4963         to detect assembler input.
4964         * config/i386/sol2.h (CPP_SPEC): Likewise.
4965         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
4966         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
4967         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
4968         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
4969         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
4970         -m64 causes deployment target to default to 10.5.
4971         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
4972
4973 2007-03-09  Richard Henderson  <rth@redhat.com>
4974
4975         PR target/26090
4976         * target.h (targetm.asm.out.reloc_rw_mask): New.
4977         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
4978         (TARGET_ASM_OUT): Use it.
4979         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
4980         * varasm.c (categorize_decl_for_section): Remove shlib argument;
4981         use the new reloc_rw_mask target hook instead.
4982         (default_section_type_flags_1): Merge into...
4983         (default_section_type_flags): ... here.
4984         (decl_readonly_section_1): Merge into...
4985         (decl_readonly_section): ... here.
4986         (default_elf_select_section_1): Merge into...
4987         (default_elf_select_section): ... here.
4988         (default_unique_section_1): Merge into...
4989         (default_unique_section): ... here.
4990         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
4991         (default_select_rtx_section): Use it.
4992         (default_elf_select_rtx_section): Likewise.
4993         * output.h: Update to match.
4994         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
4995         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
4996         (TARGET_ASM_RELOC_RW_MASK): New.
4997         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
4998         to categorize_decl_for_section.
4999         (x86_64_elf_unique_section): Likewise.
5000         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
5001         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
5002         (TARGET_ASM_RELOC_RW_MASK): New.
5003         * config/ia64/ia64.c (ia64_rwreloc_select_section,
5004         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
5005         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
5006         (TARGET_RWRELOC): Remove.
5007         (ia64_section_type_flags): Adjust call to default_section_type_flags.
5008         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
5009         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
5010         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
5011         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
5012         (rs6000_xcoff_select_section): Use decl_readonly_section.
5013         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
5014         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
5015         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
5016         (TARGET_SECTION_TYPE_FLAGS): Remove.
5017         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
5018
5019 2007-03-09  Roger Sayle  <roger@eyesopen.com>
5020
5021         * fold-const.c (fold_comparison): Remove compile-time evaluation of
5022         complex constant equality/inequality comparisons for here.
5023         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
5024         known at compile-time or can be simplified to a scalar comparison.
5025         (fold_relational_const): Move compile-time evaluation of complex
5026         constant equality/inequality comparisons to here.
5027
5028 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
5029
5030         PR rtl-optimization/30643
5031         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
5032         dest_addr_elt.
5033         (fold_rtx): Recurse, like before 2006-11-03.
5034
5035 2007-03-09  DJ Delorie  <dj@redhat.com>
5036
5037         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
5038         m32c-pragma.o.
5039
5040 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
5041
5042         PR tree-optimization/30375
5043         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
5044         LHS of statements is not the same.
5045         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
5046
5047 2007-03-09  Chao-ying Fu  <fu@mips.com>
5048
5049         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
5050         REV 2.
5051         * doc/invoke.texi (-mdspr2): Document new option.
5052         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
5053         New unspec for DSP REV 2.
5054         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
5055         these instructions are extended in DSP REV 2.
5056         (mips-dspr2.md): Include.
5057         * config/mips/mips.opt (mdspr2): New option.
5058         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
5059         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
5060         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
5061         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
5062         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
5063         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
5064         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
5065         and 2 builtins.
5066         (bdesc_map): Add one field of unsupported_target_flags.
5067         (bdesc_arrays):  Update entries to have extra fields.  Add
5068         dsp_32only_bdesc.
5069         (mips_init_builtins): Initialize new function types.
5070         Check unsupported_target_fileds to filter out builtins.
5071         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
5072         TARGET_DSPR2.
5073         (ASM_SPEC): Pass mdspr2 to the assembler.
5074         * config/mips/mips-dspr2.md: New file.
5075
5076 2007-03-09  Sa Liu  <saliu@de.ibm.com>
5077
5078         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
5079
5080 2007-03-09  Ian Lance Taylor  <iant@google.com>
5081
5082         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
5083         argument) like -Wstrict-overflow=2.
5084         * doc/invoke.texi (Warning Options): Update documentation.
5085
5086 2007-03-09  Dirk Mueller  <dmueller@suse.de>
5087
5088         PR c++/17946
5089         * doc/invoke.texi (-Wlogical-op): Document.
5090         * common.opt (-Wlogical-op): New.
5091         * c-common.h (warn_logical_operator): Declare.
5092         * c-common.c (warn_logical_operator): Define.
5093         * c-typeck.c (parser_build_binary_op): Call
5094         warn_logical_operator.
5095
5096 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
5097
5098         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
5099         * final.c (final_scan_insn): Test for non-"" file name.
5100
5101 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
5102
5103         * doc/loop.texi: Document the Omega linear constraints solver.
5104         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
5105         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
5106         omega-hash-table-size, omega-max-keys, and
5107         omega-eliminate-redundant-constraints.
5108         * tree-pass.h (pass_check_data_deps): Declared.
5109         * omega.c: New.
5110         * omega.h: New.
5111         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
5112         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
5113         pass_check_data_deps): New.
5114         * tree-data-ref.c (init_data_ref): Remove declaration.
5115         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
5116         (analyze_array): Renamed init_array_ref, move up initializations.
5117         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
5118         Removed arguments that are set to NULL.
5119         (analyze_indirect_ref): Correct indentation, correct call to
5120         init_pointer_ref.
5121         (object_analysis): Call init_array_ref instead of analyze_array.
5122         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
5123         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
5124         of DR_ACCESS_FNS_ADDR.
5125         (init_omega_eq_with_af, omega_extract_distance_vectors,
5126         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
5127         ddr_consistent_p): New.
5128         (compute_affine_dependence): Check consistency of ddrs when
5129         flag_check_data_deps is passed.
5130         (analyze_all_data_dependences): Uncomment.
5131         (tree_check_data_deps): New.
5132         * tree-data-ref.h: Include omega.h.
5133         (DR_ACCESS_FNS_ADDR): Removed.
5134         (data_dependence_relation): Add inner_loop.
5135         (DDR_INNER_LOOP): New.
5136         * common.opt (fcheck-data-deps): New.
5137         * tree-flow.h (tree_check_data_deps): Declare.
5138         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
5139         (OBJS-common): Depend on omega.o.
5140         (omega.o): Define.
5141         * passes.c (pass_check_data_deps): Scheduled.
5142         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
5143         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
5144         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
5145         PARAM_VECT_MAX_VERSION_CHECKS,
5146         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
5147
5148 2007-03-09  Richard Guenther  <rguenther@suse.de>
5149
5150         PR tree-optimization/30904
5151         PR middle-end/31058
5152         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
5153         the same way as *_DIV_EXPR.
5154
5155 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
5156
5157         * recog.c (decode_asm_operands): No mixed declarations and code.
5158
5159 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
5160
5161         * rtl.def (ASM_INPUT): Add location.
5162         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
5163         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
5164         (decode_asm_operands): Add loc operand.
5165         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
5166         * stmt.c (expand_asm): Rename to...
5167         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
5168         gen_rtx_ASM_INPUT_loc.
5169         (expand_asm_expr): Adjust.
5170         * recog.c (decode_asm_operands): Add loc operand.
5171         (check_asm_operands, extract_insn): Adjust.
5172         * reload1.c (maybe_fix_stack_asms): Likewise.
5173         * final.c (asm_insn_count): Likewise.
5174         (final_scan_insn): Output # line before and after asm.
5175
5176 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
5177
5178         * tree-ssa-structalias.c (variable_info): Remove
5179         finished_solution.
5180         (new_var_info): Ditto.
5181         (shared_bitmap_info_t): New structure.
5182         (shared_bitmap_table): New variable.
5183         (shared_bitmap_hash): New function.
5184         (shared_bitmap_eq): Ditto
5185         (shared_bitmap_lookup): Ditto.
5186         (shared_bitmap_add): Ditto.
5187         (merge_smts_into): Change to take bitmap directly.
5188         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
5189         (init_alias_vars): Init shared bitmap hashtable.
5190         (delete_points_to_sets): Delete shared bitmap hashtable.
5191         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
5192         is_aliased removal as a change that was still necessary was
5193         deleted.
5194
5195 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
5196
5197         * config/i386/i386.h (override_options): Conditionally disable
5198         x86_sahf for 64bit targets only.
5199
5200 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5201
5202         PR C/31072
5203         * c-decl.c (merge_decls): Don't call make_var_volatile.
5204         * varasm.c (make_var_volatile): Remove.
5205         * output.h (make_var_volatile): Remove.
5206
5207 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
5208
5209         PR tree-optimization/31085
5210         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
5211
5212 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5213
5214         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
5215         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
5216         ATTR_CONST_NOTHROW_LIST.
5217
5218         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
5219         FIX_TRUNC_EXPR.
5220
5221 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
5222
5223         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
5224
5225 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
5226
5227         PR 31013
5228         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
5229         is declared.
5230         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
5231         passed, use shared libgcc.
5232
5233 2007-03-08  Roger Sayle  <roger@eyesopen.com>
5234
5235         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
5236         instead of calling build2 with a GIMPLE_MODIFY_STMT.
5237         (honor_protect_cleanup_actions, lower_try_finally_switch):
5238         Likewise.
5239         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
5240         ifc_temp_var): Likewise.
5241         * tree-inline.c (setup_one_parameter): Likewise.
5242         * tree-mudflap.c (mf_decl_cache_locals,
5243         mf_build_check_statement_for): Likewise.
5244         * tree-nested.c (init_tmp_var, save_tmp_var,
5245         finalize_nesting_tree_1): Likewise.
5246         * tree-outof-ssa.c (insert_copy_on_edge,
5247         insert_backedge_copies): Likewise.
5248         * tree-profile.c (tree_gen_edge_profiler,
5249         tree_gen_ic_profiler): Likewise.
5250         * tree-scalar-evolution.c (scev_const_prop): Likewise.
5251         * tree-sra.c (sra_build_assignment): Likewise.
5252         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
5253         * tree-ssa-math-opts.c (insert_reciprocals,
5254         execute_cse_sincos_1): Likewise.
5255         * tree-tailcall.c (adjust_accumulator_values,
5256         adjust_return_value): Likewise.
5257         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
5258         * tree-vect-transform.c (vect_create_data_ref_ptr,
5259         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
5260         vect_create_epilog_for_reduction, vectorizable_reduction,
5261         vectorizable_call, vectorizable_conversion,
5262         vectorizable_assignment, vectorizable_operation,
5263         vectorizable_type_demotion, vect_gen_widened_results_half,
5264         vect_permute_store_chain, vectorizable_store,
5265         vect_setup_realignment, vect_permute_load_chain,
5266         vectorizable_load, vectorizable_condition,
5267         vect_create_cond_for_align_checks): Likewise.
5268         * tree-vrp.c (build_assert_expr_for): Likewise.
5269
5270 2007-03-08  Ian Lance Taylor  <iant@google.com>
5271
5272         * tree-vrp.c: Include "intl.h".
5273         (usable_range_p): New static function.
5274         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
5275         overflowed values, juts set *strict_overflow_p.
5276         (compare_values): Only return -2 if one of the operands is not a
5277         constant.
5278         (compare_ranges): Call usable_range_p.
5279         (compare_range_with_value): Likewise.
5280         (vrp_evaluate_conditional_warnv): Rename from
5281         vrp_evaluate_conditional.  Make static.  Change all callers.
5282         (vrp_evaluate_conditional): New function.
5283         (simplify_div_or_mod_using_ranges): Issue warning about reliance
5284         on signed overflow.
5285         (simplify_abs_using_ranges): Likewise.
5286         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
5287         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
5288         within_stmt parameter.
5289         * tree-ssa-propagate.c (fold_predicate_in): Update call to
5290         vrp_evaluate_conditional.
5291         * tree-ssa-threadedge.c
5292         (record_temporary_equivalences_from_stmts_at_dest): Change
5293         simplify parameter to take a second tree parameter.
5294         (simplify_control_stmt_condition): Likewise.
5295         (thread_across_edge): Likewise.
5296         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
5297         (thread_across_edge): Likewise.
5298         * Makefile.in (tree-vrp.o): Depend upon intl.h.
5299
5300 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
5301
5302         * config/i386/i386.h (TARGET_SAHF): New define.
5303         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
5304         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
5305         (x86_sahf): New global variable.
5306         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
5307         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
5308         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
5309         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
5310         for 64-bit.
5311         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
5312         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
5313         when expanding fcomi/sahf based tests.
5314         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
5315         expanding sahf based alternative. Emit sahf based sequence when
5316         optimizing for code size.
5317         * config/i386/i386.md (x86_sahf_1): Do not disable for
5318         TARGET_64BIT, enable for TARGET_SAHF.
5319
5320 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
5321
5322         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
5323         spurious whitespace from error message.
5324
5325 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
5326
5327         PR c++/30852
5328         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
5329
5330 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
5331
5332         * c-decl.c (grokdeclarator): Disable warnings for anonymous
5333         bitfields.
5334         * tree-sra.c (instantiate_element): Propagate disabled warnings
5335         from the element itself to the created variable.
5336
5337 2007-03-07  Richard Henderson  <rth@redhat.com>
5338
5339         PR target/30848
5340         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
5341         silently fix up the stack in the case of a missing register.
5342
5343 2007-03-07  Paul Brook  <paul@codesourcery.com>
5344
5345         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
5346
5347 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
5348
5349         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
5350         New.
5351         (phase1_vrs): Use them.
5352         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
5353         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
5354         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
5355         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
5356         __gnu_Unwind_Restore_WMMXC if required.
5357         (_Unwind_VRS_Pop): Implement iWMMXt support.
5358         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
5359         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
5360         gnu_Unwind_Save_WMMXC): Define.
5361
5362 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
5363
5364         * config/vxworks.h (vxworks_override_options): Declare.
5365         (VXWORKS_OVERRIDE_OPTIONS): Use it.
5366         * config/vxworks.c: Include target.h and toplev.h.
5367         (vxworks_override_options): New function.
5368         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
5369
5370 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
5371
5372         * config/s390/s390.c (override_options): Don't emit an error when
5373         -mstack-size is used without providing -mstack-guard.
5374         (s390_emit_prologue): Choose stack_guard value automatically if not
5375         provided via command line.
5376         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
5377
5378 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
5379
5380         * config/i386/i386.c (output_set_got): Add a GOT initialization
5381         sequence for VxWorks PIC.
5382         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
5383         around labels as well as symbols.  Use gotoff_operand instead
5384         of local_symbolic_operand.
5385         (legitimize_pic_address): Use gotoff_operand instead of
5386         local_symbolic_operand.  Use @GOT accesses for labels as
5387         well as symbols.
5388         (ix86_output_addr_diff_elt): Use PC-relative rather than
5389         GP-relative offsets for VxWorks PIC.
5390         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
5391         no_new_pseudos.  Check whether the returned register is op0.
5392         * config/i386/i386.md (tablejump): Use PC-relative rather than
5393         GP-relative offsets for VxWorks PIC.
5394         * config/i386/predicates.md (gotoff_operand): New predicate.
5395
5396 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5397
5398         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
5399         before defining.
5400         * config/vxworks-dummy.h: New file.
5401         * config/i386/i386.h: Include it.
5402
5403 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
5404
5405         * dwarf2out.c (is_inlined_entry_point): New
5406         (add_high_low_attributes): Emit DW_AT_entry_pc along with
5407         DW_AT_ranges if the first subblock is the entry point.
5408
5409 2007-03-06  David Daney  <ddaney@avtrex.com>
5410
5411         * doc/install.texi (mips-*-*): Change recommended binutils
5412         version.
5413
5414 2007-03-06  Anatoly Sokolov <aesok@post.ru>
5415
5416         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
5417         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
5418         devices.
5419         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5420         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5421
5422 2007-03-06  Jan Hubicka  <jh@suse.cz>
5423
5424         * errors.h (warning, error, fatal, internal_error): Mark as cold.
5425         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
5426         are hot.
5427         (probably_cold_bb_p): Cold functions are cold.
5428         (probably_never_executed_bb_p): Cold functions are cold.
5429         (tree_bb_level_predictions): Predict calls to cold functions as not
5430         taken.
5431         (compute_function_frequency): Check hot/cold attributes.
5432         * function.h (function_frequency): Update comments.
5433         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
5434         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
5435         (c_common_att): Add cold and hot.
5436
5437         * doc/extend.texi (hot,cold attributes): Document.
5438
5439 2007-03-06  Andrew Haley  <aph@redhat.com>
5440
5441         * function.c (expand_function_end): Move blockage to just after we
5442         emit the label for the naked return from the function.
5443
5444 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5445
5446         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
5447         before redefining.
5448
5449 2007-03-06  Jan Hubicka  <jh@suse.cz>
5450
5451         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
5452         loaded for constant large models.  Non-large 64bit PIC can do.
5453         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
5454         * cmodel.h: Add LARGE PIC.
5455         * i386.md (UNSPEC_PLTOFF): New.
5456         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
5457         needed.
5458         (*call_1_rex64): Disable for large models.
5459         (*call_1_rex64_large): New.
5460         (*call_value_1_rex64): Disable for large models.
5461         (*call_value_1_rex64_large): New.
5462         (set_rip_rex4): New.
5463         (set_got_offset_rex64): New.
5464         * predicates.md (constant_call_address_operand): For large model
5465         constant calls are not possible.
5466         * i386-protos.h (construct_plt_address): Declare.
5467         * i386.c (override_options): Accept large models.
5468         (ix86_expand_prologue): Expand large PIC GOT pointer load.
5469         (legitimate_constant_p): Add new UNSPECs.
5470         (legitimate_pic_operand_p): Likewise.
5471         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
5472         (legitimize_pic_address): Do easy RIP relative way for TLS only for
5473         non-large model.
5474         (output_pic_addr_const): Add PLTOFF.
5475         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
5476         (ix86_expand_move): Legitimize pic address when in PIC mode.
5477         (construct_plt_address): New function.
5478         (ix86_expand_call): Offload the address to register and use GOT pointer
5479         for large model.
5480         * invoke.texi (mcmodel=large): Update documentation.
5481
5482 2007-03-06  Richard Henderson  <rth@redhat.com>
5483
5484         * config/i386/i386.c (x86_use_leave, x86_push_memory,
5485         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
5486         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
5487         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
5488         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
5489         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
5490         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
5491         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
5492         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
5493         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
5494         x86_partial_reg_dependency, x86_memory_mismatch_stall,
5495         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
5496         x86_sse_partial_reg_dependency, x86_sse_split_regs,
5497         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
5498         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
5499         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
5500         x86_schedule, x86_use_bt, x86_pad_returns,
5501         x86_use_xchgb): Merge into ...
5502         (ix86_tune_features): ... here.  New array.
5503         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
5504         x86_bswap): Merge into ...
5505         (ix86_arch_features): ... here.  New array.
5506         (x86_3dnow_a): Remove.
5507         (x86_accumulate_outgoing_args): Make static.
5508         (x86_arch_always_fancy_math_387): Make static.
5509         (ix86_tune_mask, ix86_arch_mask): Move ...
5510         (override_options): ... to local variables here.  Apply the
5511         appropriate mask to each element of ix86_arch_features and
5512         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
5513         as were done in the old macros.
5514         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
5515         * config/i386/i386.h (x86_use_leave, x86_push_memory,
5516         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
5517         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
5518         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
5519         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
5520         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
5521         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
5522         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
5523         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
5524         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
5525         x86_partial_reg_dependency, x86_memory_mismatch_stall,
5526         x86_accumulate_outgoing_args, x86_prologue_using_move,
5527         x86_epilogue_using_move, x86_decompose_lea,
5528         x86_arch_always_fancy_math_387, x86_shift1,
5529         x86_sse_partial_reg_dependency, x86_sse_split_regs,
5530         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
5531         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
5532         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
5533         x86_use_incdec, x86_pad_returns, x86_bswap,
5534         x86_partial_flag_reg_stall): Remove.
5535         (enum ix86_tune_indices): New.
5536         (ix86_tune_features): New.
5537         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
5538         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
5539         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
5540         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
5541         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
5542         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
5543         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
5544         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
5545         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
5546         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
5547         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
5548         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
5549         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
5550         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
5551         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
5552         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
5553         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
5554         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
5555         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
5556         TARGET_EXT_80387_CONSTANTS): Use it.
5557         (enum ix86_arch_indices): New.
5558         (ix86_arch_features): New.
5559         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
5560         TARGET_BSWAP): Use it.
5561         (ix86_tune_mask, ix86_arch_mask): Remove.
5562
5563 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
5564
5565         PR bootstrap/31020
5566         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
5567         Define using $${sysroot_headers_suffix}.
5568         * configure: Regenerate.
5569         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
5570         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
5571         defined.
5572         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
5573         * gcc.c (print_sysroot_headers_suffix): New.
5574         (option_map): Include --print-sysroot-headers-suffix.
5575         (display_help): Mention -print-sysroot-headers-suffix.
5576         (process_command): Handle -print-sysroot-headers-suffix.
5577         (do_spec_1): Append multilib directory to include-fixed path if
5578         sysroot suffixes in use.
5579         (main): Handle -print-sysroot-headers-suffix.
5580         * Makefile.in (start.encap): Don't depend on xlimits.h
5581         (xlimits.h): Remove.
5582         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
5583         limits.h for each multilib in fixinc_list.
5584         (fixinc_list, s-fixinc_list): New.
5585         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
5586         generate them for each multilib in fixinc_list.
5587         (stmp-fixproto): Use include-fixed.  Run fixproto for each
5588         multilib in fixinc_list.
5589         (mostlyclean): Don't remove xlimits.h.
5590         (clean): Remove include-fixed.
5591         (real-install-headers-tar, real-install-headers-cpio,
5592         real-install-headers-cp): Don't copy include, only include-fixed.
5593         (install-mkheaders): Depend on fixinc_list.  Don't depend on
5594         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
5595         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
5596         SYSTEM_HEADER_DIR setting in mkheaders.conf.
5597
5598 2007-03-06  Jan Hubicka  <jh@suse.cz>
5599
5600         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
5601         NANs easilly.
5602
5603 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5604
5605         * configure.ac: Allow tm_file to contain build-directory files.
5606         * configure: Regenerate.
5607         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
5608         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
5609         * config/m68k/print-sysroot-suffix.sh: New file.
5610
5611 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5612
5613         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
5614         of pic_offset_table_rtx if reload_completed.
5615         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
5616         PIC_OFFSET_TABLE_REGNUM.
5617         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
5618         return true.
5619         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
5620         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
5621
5622 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5623
5624         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5625         functions that call eh_return.
5626
5627 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5628
5629         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5630         functions that need a constant pool.
5631
5632 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5633
5634         PR target/28181
5635         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
5636         (m68k_preferred_reload_class): Likewise.
5637         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
5638         (SECONDARY_RELOAD_CLASS): Define.
5639         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
5640         (LIMIT_RELOAD_CLASS): Delete.
5641         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
5642         registers from storing bytes.
5643         (m68k_secondary_reload_class): New function.
5644         (m68k_preferred_reload_class): Likewise.
5645
5646 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5647
5648         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
5649         leaf functions.
5650         (m68k_expand_prologue): Likewise.
5651
5652 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5653
5654         * config/m68k/m68k-protos.h (output_sibcall): Declare.
5655         (mips_expand_epilogue): Add a bool parameter.
5656         (m68k_legitimize_sibcall_address): Declare.
5657         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
5658         (m68k_expand_epilogue): Add a parameter to select between sibling
5659         and normal epilogues.  Only generate a return for the latter.
5660         (m68k_ok_for_sibcall_p): New function.
5661         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
5662         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
5663         (sibcall_value, *sibcall_value): Likewise.
5664         (*call, *call_value): Require !SIBLING_CALL_P.
5665         (epilogue): Update call to m68k_expand_epilogue.
5666         (sibcall_epilogue): New pattern.
5667         * config/m68k/predicates.md (const_call_operand): Say that this
5668         predicate applies to sibling calls too.
5669         (sibcall_operand): New predicate.
5670
5671 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5672
5673         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
5674         alternatives as movsi_cf.
5675         (movsf_cf_hard): Add commentary.
5676
5677 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
5678             Richard Sandiford  <richard@codesourcery.com>
5679
5680         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
5681         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
5682         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
5683         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
5684         as being live on exit from an interrupt function.
5685         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
5686         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
5687         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
5688         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
5689         (m68k_interrupt_function_p): Globalize.
5690         (m68k_compute_frame_layout): Remove reverse mask code.
5691         (m68k_emit_movem, m68k_set_frame_related): New functions.
5692         (m68k_output_function_prologue): Delete in favor of...
5693         (m68k_expand_prologue): ...this new function.
5694         (m68k_output_function_epilogue): Delete in favor of...
5695         (m68k_expand_epilogue): ...this new function.
5696         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
5697         functions.
5698         (print_operand): Handle %?.
5699         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
5700         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
5701         (prologue, epilogue): New patterns.
5702         (return): Turn into a define_expand.
5703         (*return): New pattern, derived from old "return" pattern.  Use rte
5704         rather than rts for interrupt functions.  Only use rtd if the pop
5705         count is nonzero.
5706         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
5707         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
5708         (link, *link, unlink, *unlink, load_got): Likewise.
5709
5710 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
5711
5712         PR target/23482
5713         PR target/17114
5714         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
5715         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
5716         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
5717         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
5718         and m68k_matches_u_p.
5719         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
5720         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
5721         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
5722         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
5723         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
5724         (REG_STRICT_P): New macro.
5725         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
5726         PCREL_GENERAL_OPERAND_OK.
5727         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
5728         m68k_legitimate_base_reg_p.
5729         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
5730         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
5731         (PIC_CASE_VECTOR_ADDRESS): Update comment.
5732         * config/m68k/m68k.c (m68k_address): New structure.
5733         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
5734         (m68k_decompose_index, m68k_legitimate_constant_address_p)
5735         (m68k_jump_table_ref_p, m68k_decompose_address)
5736         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
5737         (m68k_matches_u_p): New functions.
5738         (print_operand_address): Rewrite to use m68k_decompose_index.
5739
5740 2007-03-05  David Taylor  <dtaylor@emc.com>
5741
5742         * gcc.c: Correct copyright date in --version output.
5743
5744 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5745
5746         * pa.md: In unamed move patterns, disparge copies between general
5747         and floating point registers using '?' modifier.  Don't include 'f'
5748         constraint for register preferences in DImode, SImode, HImode and
5749         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
5750         Remove constraints for copies between general and floating registers
5751         in soft-float DFmode pattern.
5752         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
5753         floating register.
5754         (movsf): Likewise.
5755
5756 2007-03-05  Mike Stump  <mrs@apple.com>
5757
5758         * c-common.c (targetcm): Add.
5759         * c-opts.c (c_common_handle_option): Handle language specific
5760         target options.
5761         * opts.c (handle_option): Verify language for target options, if
5762         any are given.
5763         * opth-gen.awk: Add CL_LANG_ALL.
5764         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
5765         (TARGETCM_INITIALIZER): Add.
5766         * target.h (struct gcc_targetcm): Add.
5767         (targetcm): Add.
5768         * targhooks.c (default_handle_c_option): Add.
5769         * targhooks.h (default_handle_c_option): Add.
5770         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
5771
5772         * config/darwin.opt (iframework): Add.
5773         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
5774         * config/darwin-c.c (handle_c_option): Add.
5775         (TARGET_HANDLE_C_OPTION): Add.
5776         (targetcm): Add.
5777         * doc/invoke.texi (Darwin Options): Add -iframework.
5778
5779 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5780
5781         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
5782         conversion.
5783
5784 2007-03-05  Ian Lance Taylor  <iant@google.com>
5785
5786         * c.opt (fgnu89-inline): New option.
5787         * c-opts.c (c_common_post_options): Set default value for
5788         flag_gnu89_inline.
5789         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
5790         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
5791         inline functions.
5792         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
5793         (grokdeclarator, start_function): Likewise.
5794         * c-cppbuiltin.c (c_cpp_builtins): Define either
5795         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
5796         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
5797         (C Dialect Options): Document -fgnu89-inline.
5798         * doc/extend.texi (Function Attributes): Explain what the
5799         gnu_inline attribute does.
5800         * doc/cpp.texi (Common Predefined Macros): Document
5801         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
5802
5803 2007-03-05  Ian Lance Taylor  <iant@google.com>
5804
5805         PR tree-optimization/31034
5806         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
5807         half-range if the other side is an overflow infinity.
5808
5809 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
5810
5811         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
5812         (bfin*-linux-uclibc*): New configuration.
5813         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
5814         defining.
5815         * config/bfin/linux.h: New file.
5816         * config/bfin/libgcc-bfin.ver: New file.
5817         * config/bfin/t-bfin-uclinux: New file.
5818         * config/bfin/t-bfin-linux: New file.
5819         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
5820         (TARGET_OS_CPP_BUILTINS): New macro.
5821
5822 2007-03-05  Richard Guenther  <rguenther@suse.de>
5823
5824         * fold-const.c (fold_binary): Remove duplicate folding
5825         of comparison of non-null ADDR_EXPR against null.
5826
5827 2007-03-05  Richard Guenther  <rguenther@suse.de>
5828             Dorit Nuzman  <dorit@il.ibm.com>
5829
5830         PR tree-optimization/26420
5831         * tree-vectorizer.c (vectorize_loops): Bail out early if there
5832         are no loops in the function.  Only print the number of
5833         vectorized loops if it is greater than zero or we are supposed
5834         to print information about unvectorized loops.
5835
5836 2007-03-05  Revital Eres  <eres@il.ibm.com>
5837
5838         * gcc.dg/var-expand1.c: New test.
5839         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
5840         when an accumulator is expanded.
5841
5842 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5843
5844         PR other/30465
5845         * c-common.c (convert_and_check): Don't give warnings for
5846         conversion if 'expr' already overflowed.
5847
5848 2007-03-04  Roger Sayle  <roger@eyesopen.com>
5849
5850         PR middle-end/30744
5851         * fold-const.c (fold_comparison): Enforce type consistency when
5852         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
5853
5854 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
5855
5856         * tree-ssa-address.c (create_mem_ref): Do not put an expression
5857         containing a cast to the base of TARGET_MEM_REF.
5858
5859 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
5860
5861         * tree.c (tree_contains_struct_check_failed): Remove spurious
5862         whitespace from error message.
5863
5864 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
5865
5866         PR target/30406
5867         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
5868         instead of precision.
5869
5870 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
5871             Nathan Sidwell  <nathan@codesourcery.com>
5872
5873         * emit-rtl.c (find_auto_inc): New.
5874         (try_split): recreate REG_INC notes,
5875         Use regular for loops rather than whiles.
5876
5877 2007-03-03  Andreas Schwab  <schwab@suse.de>
5878
5879         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
5880         * configure: Regenerate.
5881
5882 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5883
5884         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
5885         flag_rounding_math, not flag_unsafe_math_optimizations.
5886
5887         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
5888         fold_build2.
5889         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
5890         alpha_fold_vector_minmax): Likewise.
5891         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
5892         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
5893
5894 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
5895
5896         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
5897         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
5898         if the lhs has side-effects.
5899         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
5900
5901 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
5902
5903         * config/i386/i386.h (TUNEMASK): Remove define.
5904         (ARCHMASK): Remove define.
5905         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
5906          Use ix86_arch_mask variable instead of ARCHMASK.
5907         * config/i386/i386.c (override_options): Ditto.
5908         (standard_80387_constant_p): Ditto.
5909
5910 2007-03-02  Ian Lance Taylor  <iant@google.com>
5911
5912         Used signed infinities in VRP.
5913         * tree-vrp.c (uses_overflow_infinity): New static function.
5914         (supports_overflow_infinity): New static function.
5915         (make_overflow_infinity): New static function.
5916         (negative_overflow_infinity): New static function.
5917         (positive_overflow_infinity): New static function.
5918         (is_negative_overflow_infinity): New static function.
5919         (is_positive_overflow_infinity): New static function.
5920         (is_overflow_infinity): New static function.
5921         (overflow_infinity_range_p): New static function.
5922         (compare_values_warnv): New function split out of compare_values.
5923         (compare_value): Call it.
5924         (set_value_range_to_nonnegative): Add overflow_infinity
5925         parameter.  Change caller.
5926         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
5927         Change callers.
5928         (vrp_expr_computes_nonzero): Likewise.
5929         (compare_ranges, compare_range_with_value): Likewise.
5930         (compare_name_with_value, compare_names): Likewise.
5931         (vrp_evaluate_conditional): Likewise.
5932         (set_value_range): Handle infinity
5933         (vrp_operand_equal_p, operand_less_p): Likewise.
5934         (extract_range_from_assert): Likewise.
5935         (vrp_int_const_binop): Likewise.
5936         (extract_range_from_binary_expr): Likewise.
5937         (extract_range_from_unary_expr): Likewise.
5938         (extract_range_from_comparison): Likewise.
5939         (extract_range_from_expr): Likewise.
5940         (dump_value_range): Likewise.
5941         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
5942         (test_for_singularity): Likewise.
5943         (vrp_int_const_binop): Remove inline qualifier.
5944         (adjust_range_with_scev): Add comment.
5945         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
5946
5947 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
5948
5949         * tree-ssa-structalias.c (could_have_pointers): Tidy.
5950         (get_constraint_for): Likewise.
5951         (do_structure_copy): Likewise.
5952         (find_func_aliases): Fix references to MODIFY_EXPR.
5953         (intra_create_variable_infos): Tidy.
5954         * tree-ssa-operands.c (add_virtual_operand): Add argument
5955         IS_CALL_SITE.
5956         When adding members of alias sets, if IS_CALL_SITE is true and
5957         the symbol is not call-clobbered, skip it.
5958         Adjust all callers.
5959
5960 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
5961
5962         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
5963         entry by means of emit_insn_at_entry.
5964
5965 2007-03-02  Richard Henderson  <rth@redhat.com>
5966
5967         * expr.h (promoted_input_arg): Remove decl.
5968         * function.c (promoted_input_arg): Merge into ...
5969         * combine.c (setup_incoming_promotions): ... only caller.
5970         Rearrange to avoid double loop.
5971
5972 2007-03-02  Ben Elliston  <bje@au.ibm.com>
5973             Peter Bergner  <bergner@vnet.ibm.com>
5974             Janis Johnson  <janis187@us.ibm.com>
5975
5976         * config/rs6000/dfp.md: New file.
5977         * config/rs6000/rs6000.md: Include dfp.md.
5978         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
5979         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
5980         and TDmode decimal float modes in FP registers.
5981         (num_insns_constant): Likewise.
5982         (rs6000_legitimate_offset_address_p): Likewise.
5983         (rs6000_legitimize_address): Likewise.
5984         (rs6000_legitimize_reload_address): Likewise.
5985         (rs6000_legitimate_address): Likewise.
5986         (rs6000_emit_move): Likewise.
5987         (function_arg_boundary): Likewise.
5988         (function_arg_advance): Likewise.
5989         (rs6000_darwin64_record_arg_recurse): Likewise.
5990         (function_arg): Likewise.
5991         (rs6000_gimplify_va_arg): Likewise.
5992         (rs6000_split_multireg_move): Likewise.
5993         (rs6000_output_function_epilogue): Likewise.
5994         (rs6000_output_function_epilogue): Likewise.
5995         (rs6000_register_move_cost): Likewise.
5996         (rs6000_function_value): Likewise.
5997         (rs6000_libcall_value): Likewise.
5998
5999 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
6000
6001         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
6002
6003 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
6004
6005         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
6006         Use $MULTIDIR to choose between the kernel and RTP headers,
6007         and use $WIND_BASE and $WIND_USR to locate them.
6008
6009 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
6010
6011         * config/i386/i386.c (override_options): Put initialization of
6012         ix86_tune_mask and ix86_arch_mask to the correct place.
6013
6014 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
6015             Michael Meissner  <michael.meissner@amd.com>
6016
6017         PR target/31019
6018         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
6019         (ARCHMASK): Define.
6020         (TARGET_CMOVE): Use ARCHMASK.
6021         (TARGET_CMPXCHG): Ditto.
6022         (TARGET_CMPXCHG8B): Ditto.
6023         (TARGET_XADD): Ditto.
6024         (TARGET_BSWAP): Ditto.
6025         * config/i386/i386.c (ix86_tune_mask): New global variable.
6026         (ix86_arch_mask): Ditto.
6027         (override_options): Initialize ix86_tune_mask and
6028         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
6029         target_flags.
6030
6031 2007-03-02  Ben Elliston  <bje@au.ibm.com>
6032
6033         PR 30992
6034         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
6035
6036 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
6037
6038         * target.h (init_dwarf_reg_sizes_extra): New target hook.
6039         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
6040         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
6041         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
6042         hook.
6043         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
6044         rs6000_init_dwarf_reg_sizes_extra): New.
6045         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
6046         SPE register high parts.
6047
6048 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
6049
6050         * Makefile.in: Add install-pdf target as
6051         copied from automake v1.10 rules.
6052         * configure.ac: Add install-pdf to target list.
6053         * configure: Regenerate.
6054
6055 2007-03-01  Paul Brook  <paul@codesourcery.com>
6056
6057         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
6058         modes to LDRD for DImode.
6059         (output_move_double): Fixup out of range ldrd/strd.
6060         (vfp_secondary_reload_class): Rename...
6061         (coproc_secondary_reload_class): ... to this.  Add wb argument.
6062         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
6063         coproc_secondary_reload_class for CLASS_IWMMXT.
6064         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
6065         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
6066
6067 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
6068
6069         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
6070         factor by the estimated number of iterations.
6071         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
6072         prefetch latency.
6073
6074         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
6075         decode_caches_intel, detect_caches_intel): New functions.
6076         (host_detect_local_cpu): Use detect_caches_amd and
6077         detect_caches_intel.
6078
6079 2007-03-01  Richard Henderson  <rth@redhat.com>
6080
6081         * expr.c (emit_move_complex_push): Export.
6082         (emit_move_complex_parts): Split out from ...
6083         (emit_move_complex): ... here.
6084         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
6085         * config/i386/i386.md (movcdi): New.
6086
6087 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
6088
6089         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
6090         size of mode1 to check for tieable modes in MMX case.
6091
6092 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
6093
6094         * Makefile.in (rtlanal.o): Depend on tree.h.
6095         * rtl.h (offset_within_section_p, split_const): Declare.
6096         * rtlanal.c: Include tree.h.
6097         (offset_within_block_p): New function, taken from
6098         mips_offset_within_object_p.
6099         (split_const): New function, taken from mips_split_const.
6100         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
6101         Declare.
6102         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
6103         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
6104         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
6105         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
6106         (m68k_illegitimate_symbolic_constant_p): New function.
6107         * config/m68k/m68k.md (movsi): Remove misleading predicates.
6108         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
6109         symbolic constant that might be outside the symbol's section,
6110         move the symbol first and then add the offset.
6111         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
6112         Override.
6113         * config/mips/mips.c (mips_split_const): Delete.
6114         (mips_offset_within_object_p): Delete.
6115         (mips_symbolic_constant_p): Use offset_within_section_p and
6116         split_const instead of mips_offset_within_object_p and
6117         mips_split_const.
6118         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
6119         (mips_legitimize_const_move, print_operand_reloc)
6120         (mips_dangerous_for_la25_p): Use split_const instead of
6121         mips_split_const.
6122
6123 2007-02-28  Eric Christopher  <echristo@apple.com>
6124
6125         * Makefile.in (install-include-dir): Don't rm -rf include.
6126
6127 2007-02-28  Richard Guenther  <rguenther@suse.de>
6128
6129         PR middle-end/30364
6130         * fold-const.c (fold_binary): Do not associate expressions
6131         with more than one variable for integer types that do not wrap.
6132
6133 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
6134
6135         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
6136         Delete, and replace with...
6137         (fold_builtin_call_array): This.  Update callers to use it.
6138         * fold-const.c (fold_build_call_list): Delete, and replace with...
6139         (fold_build_call_array): This.
6140         (fold_build_call_list_initializer): Delete, and replace with...
6141         (fold_build_call_array_initializer): This.
6142         * tree.h: Update declarations to reflect above changes.
6143
6144         * c-typeck.c (build_function_call): Store converted arguments
6145         in a stack-allocated array instead of building a list.
6146         (convert_arguments): Store arguments in the array passed in as an
6147         argument, and return the actual number of arguments.
6148         * c-format.c: (check_function_format): Pass arguments in an
6149         array instead of a list.
6150         * c-common.c (check_function_nonnull): Likewise.
6151         (check_function_sentinel): Likewise.
6152         (check_function_arguments): Likewise.
6153         * c-common.h: Update declarations to reflect above changes.
6154
6155 2007-02-28  Jan Hubicka  <jh@suse.cz>
6156
6157         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
6158         PRED_NEGATIVE_RETURN): Update outcomes.
6159
6160 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
6161
6162         * calls.c (emit_library_call_value_1): Handle partial registers
6163         correctly when building up CALL_INSN_FUNCTION_USAGE.
6164
6165 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6166
6167         * pa/predicates.md (move_src_operand): Allow zero for mode.
6168         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
6169         move pattern.
6170
6171 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
6172
6173         PR target/30970
6174         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
6175         *movv2df_internal): Enable pattern only for valid operand
6176         combinations.
6177         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
6178         tie only 128bit modes. For MMX registers, tie only 64bit modes.
6179
6180 2007-02-27  Mike Stump  <mrs@apple.com>
6181
6182         * config/darwin-crt3.c: Avoid compilation when compiling for a
6183         kext multilib.
6184
6185 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
6186
6187         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
6188         FIXED_INCLUDE_DIR.
6189         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
6190         for fixed headers and limits.h.
6191         (install-include-dir, install-headers-tar, install-headers-cpio,
6192         install-headers-cp, real-install-headers-tar,
6193         real-install-headers-cpio, real-install-headers-cp): Handle
6194         include-fixed as well as include.
6195         (install-mkheaders): Don't install files that go only in include
6196         not include-fixed.
6197         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
6198         from GCC_INCLUDE_DIR.
6199         * gcc.c (process_command): Remove special -BstageN/ handling.
6200         (do_spec_1): Add include-fixed directories.
6201
6202 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
6203
6204         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
6205         _smulsi3_highpart.
6206         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
6207         New functions.
6208         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
6209         patterns.
6210
6211 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
6212
6213         * c-common.c (get_priority): Add check for
6214         SUPPORTS_INIT_PRIORITY.
6215
6216 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
6217
6218         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
6219
6220         * config/bfin/bfin.c: Include "cfglayout.h".
6221         (MAX_LSETUP_DISTANCE): New macro.
6222         (struct loop_info): New members incoming, incoming_src and
6223         incoming_dest.  Delete member predecessor.
6224         (length_for_loop): New function.
6225         (bfin_optimize_loop): Handle more different loop structures.
6226         (bfin_discover_loop): Rework detection of predecessor blocks by
6227         examining incoming edges.
6228         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
6229         bfin_reorg_loops.
6230         (bfin_reorder_loops): New function.
6231         (bfin_reorg_loops): Use these three new functions.
6232
6233         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
6234         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
6235         (CONSTRAINT_LEN): Add entry for 'q'.
6236         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
6237         Add 'q' constraints.
6238         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
6239         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
6240
6241         * config/bfin/bfin.md (add_with_carry): New pattern.
6242         (s_or_u, su_optab, su_modifier): New code macros/attrs.
6243         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
6244         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
6245         support unsigned multiplies too.  Removed incorrect commutativity from
6246         operand 1 constraint where appropriate.
6247         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
6248         patterns.
6249         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
6250         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
6251         New patterns.
6252         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
6253         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
6254         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
6255         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
6256         usmulhisi_hh_huh): New patterns.
6257
6258         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
6259         lshifthi3): Fix output template to use half reg for operand 2.
6260
6261         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
6262         instead of R2.
6263
6264         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
6265
6266 2007-02-27  Andreas Schwab  <schwab@suse.de>
6267
6268         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
6269
6270 2007-02-27  Jan Hubicka  <jh@suse.cz>
6271
6272         * predict.c (last_basic_block_p): Remove.
6273         (tree_estimate_probability): Update return heuristic for commonized
6274         return blocks.
6275
6276 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
6277
6278         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
6279
6280 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
6281
6282         * doc/include/gcc-common.texi (versionsubtitle): New macro.
6283         * doc/cpp.texi: Standardize title page.
6284         * doc/cppinternals.texi: Likewise.
6285         * doc/gcc.texi: Standardize title page, remove version number
6286         from copyright page.
6287         * doc/gccint.texi: Likewise.
6288         * doc/install.texi: Standardize title page, add table of
6289         contents.
6290
6291 2007-02-26  Jan Hubicka  <jh@suse.cz>
6292
6293         * predict.def: Set outcomes according to more recent results.
6294         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
6295         Remove dead predictors.
6296         * predict.c (return_prediction): Fix pasto.
6297
6298 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
6299
6300         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
6301         change; avoid a memory leak when returning early.
6302
6303 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
6304
6305         * c-decl.c (static_ctors): Move to c-common.c.
6306         (static_dtors): Likewise.
6307         (finish_function): Use c_record_cdtor_fn.
6308         (build_cdtor): Move to c-common.c.
6309         (c_write_global_declarations): Use c_build_cdtor_fns.
6310         * c-common.h (static_ctors): Declare.
6311         (static_dtors): Likewise.
6312         (c_record_cdtor_fn): Likewise.
6313         (c_build_cdtor_fns): Likewise.
6314         * c-common.c (static_ctors): New variable.
6315         (static_dtors): Likewise.
6316         (c_record_cdtor_fn): New function.
6317         (build_cdtor): Move from c-decl.c
6318         (c_build_cdtor_fns): New function.
6319
6320         * output.h (assemble_addr_to_section): Declare.
6321         (get_cdtor_priority_section): Likewise.
6322         * varasm.c (assemble_addr_to_section): New function.
6323         (get_cdtor_priority_section): Likewise.
6324         (default_named_section_asm_out_destructor): Use them.
6325         (destor_dtor_section_asm_out_destructor): Likewise.
6326         (default_named_section_asm_out_constructor): Likewise.
6327         (default_ctor_section_asm_out_constructor): Likewise.
6328         * config.gcc (*-*-vxworks*): Include vxworks.o.
6329         * config/t-vxworks (vxworks.o): New target.
6330         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
6331         (TARGET_ASM_CONSTRUCTOR): Define.
6332         (TARGET_ASM_DESTRUCTOR): Likewise.
6333         (vxworks_asm_out_constructor): Declare.
6334         (vxworks_asm_out_destructor): Likewise.
6335
6336         * c-common.c (get_priority): Check that we have not just an
6337         INTEGER_CST, but an integer constant with integeral type.
6338
6339 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
6340
6341         PR tree-optimization/30938
6342         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
6343         use &dt[nargs-1] instead of &dt[nargs] in the call to
6344         vect_is_simple_use().
6345
6346 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
6347
6348         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
6349         from register elimination as PRE_MODIFY / POST_MODIFY increments.
6350         Do not attempt to handle MEM inside auto-inc expressions.
6351         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
6352         of a register modified by an auto-inc expression.  However, do handle
6353         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
6354         (elimination_effects): Prohibit elimination of a register modified
6355         by an auto-inc expression.  Disable register elimination rules whose
6356         target register is modified by an auto-inc expression with variable
6357         increment.
6358
6359 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
6360
6361         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
6362         off-by-one error.
6363         (array_at_struct_end_p): New function.
6364         (idx_infer_loop_bounds): Use it.
6365         (estimate_numbers_of_iterations_loop): Export.
6366         * predict.c (predict_loops): Use estimated_loop_iterations_int.
6367         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
6368         (tree_estimate_probability): Call record_loop_exits.
6369         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
6370         (estimated_loop_iterations, estimated_loop_iterations_int,
6371         estimated_loop_iterations_tree): New functions.
6372         (analyze_siv_subscript_cst_affine,
6373         compute_overlap_steps_for_affine_1_2,
6374         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
6375         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
6376         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
6377         (PRED_LOOP_ITERATIONS_GUESSED): New.
6378         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
6379         * cfgloop.h (estimate_numbers_of_iterations_loop,
6380         estimated_loop_iterations_int): Declare.
6381
6382 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
6383
6384         * doc/extend.texi: Document optional priority argument to
6385         constructors and destructors.
6386         * tree.c (init_priority_for_decl): Adjust GTY markers.
6387         (init_ttree): Use priority-info hash functions for
6388         init_priority_for_decl.
6389         (tree_map_eq): Rename to ...
6390         (tree_map_base_eq): ... this.
6391         (tree_map_marked_p): Rename to ...
6392         (tree_map_base_marked_p): ... this.
6393         (tree_map_base_hash): New function.
6394         (decl_init_priority_lookup): Rework.
6395         (decl_fini_priority_lookup): New function.
6396         (decl_priority_info): New function.
6397         (decl_init_priority_insert): Use it.
6398         (decl_fini_priority_insert): Likewise.
6399         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
6400         hierarchy.
6401         (decl_restrict_base_insert): Likewise.
6402         (decl_debug_expr_insert): Likewise.
6403         (decl_value_expr_lookup): Likewise.
6404         (decl_value_expr_insert): Likewise.
6405         * tree.h (priority_type): New type.
6406         (decl_init_priority_lookup): Use priority_type.
6407         (decl_fini_priority_lookup): New function.
6408         (decl_init_priority_insert): Use priority_type.
6409         (decl_fini_priority_insert): New function.
6410         (DECL_HAS_INIT_PRIORITY): Tweak comments.
6411         (DECL_INIT_PRIORITY): Likewise.
6412         (SET_DECL_INIT_PRIORITY): Add comment.
6413         (DECL_FINI_PRIORITY): New macro.
6414         (SET_DECL_FINI_PRIORITY): Likewise.
6415         (DEFAULT_INIT_PRIORITY): Document.
6416         (MAX_INIT_PRIORITY): Likewise.
6417         (MAX_RESERVED_INIT_PRIORITY): Likewise.
6418         (tree_map_base): New type.
6419         (tree_map_base_eq): New function.
6420         (tree_map_base_hash): Likewise.
6421         (tree_map_base_marked_p): Likewise.
6422         (tree_map): Inherit from tree_map_base.
6423         (tree_map_eq): Make it a macro.
6424         (tree_map_marked_p): Likewise.
6425         (tree_int_map): Inherit from tree_map_base.
6426         (tree_int_map_eq): Make it a macro.
6427         (tree_int_map_hash): Likewise.
6428         (tree_int_map_marked_p): Likewise.
6429         (tree_priority_map): New type.
6430         (tree_priority_map_eq): New macro.
6431         (tree_priority_map_hash): Likewise.
6432         (tree_priority_map_marked_p): Likewise.
6433         * varasm.c (emults_decl): Adjust for refactoring of tree_map
6434         hierarchy.
6435         (emutls_common_1): Likewise.
6436         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
6437         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
6438         of tree_map hierarchy.
6439         * tree-cfg.c (move_stmt_r): Likewise.
6440         (new_label_mapper): Likewise.
6441         * c-tree.h (c_expand_body): Move to ...
6442         * c-common.h (c_expand_body): ... here.
6443         * c-decl.c (c_expand_body): Move to ...
6444         * c-common.c (c_expand_body): ... here.
6445         (c_common_attribute_table): Allow 1 argument for the constructor
6446         and destructor attributes.
6447         (get_priority): New function.
6448         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
6449         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
6450
6451 2007-02-24  Jan Hubicka  <jh@suse.cz>
6452
6453         PR middle-end/30509
6454         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
6455
6456 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
6457             Jan Hubicka  <jh@suse.cz>
6458
6459         PR target/30778
6460         * i386.c (counter_mode): New function.
6461         (expand_set_or_movmem_via_loop): Use it.
6462         (expand_movmem_epilogue): Likewise; fix pasto.
6463         (ix86_expand_movmem): Do emit guard even for constant counts.
6464         (ix86_expand_setmem): Likewise.
6465
6466 2007-02-25  Nick Clifton  <nickc@redhat.com>
6467
6468         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
6469         (JUMP_TABLES_IN_TEXT_SECTION): Define.
6470
6471 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
6472
6473         PR target/30770
6474         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
6475         count argument with 0x10, not with 0x16.
6476         (expand_setmem_epilogue): Ditto.
6477
6478 2007-02-24  Mike Stump  <mrs@apple.com>
6479
6480         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
6481         symbols.
6482
6483 2007-02-24  Richard Guenther  <rguenther@suse.de>
6484
6485         PR middle-end/30951
6486         * fold-const.c (fold_binary): Fold x +- CST op x for
6487         EQ_EXPR and NE_EXPR.
6488
6489 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6490
6491         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
6492
6493 2007-02-24  Jan Hubicka  <jh@suse.cz>
6494
6495         * cgraphunit.c (decide_is_function_needed): Honor
6496         -fkeep-inline-functions.
6497
6498 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6499
6500         * builtins.c (fold_builtin_modf): New.
6501         (fold_builtin_2): Use it.
6502
6503 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
6504
6505         * loop-iv.c (implies_p): Detect additional cases where A implies B.
6506         (determine_max_iter): Take additional LOOP arg; all callers changed.
6507         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
6508         one using simplifications.
6509         (simplify_using_initial_values): Return if the expression becomes
6510         invalid due to altered regs.
6511
6512 2007-02-23  DJ Delorie  <dj@redhat.com>
6513
6514         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
6515
6516 2007-02-23  Mike Stump  <mrs@apple.com>
6517
6518         * tlink.c (scan_linker_output): Parse linker messages from
6519         darwin9's linker better.
6520
6521 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
6522
6523         PR debug/29614
6524         * varpool.c (varpool_assemble_pending_decls):  Set
6525         varpool_last_needed_node to null.
6526
6527 2007-02-23  DJ Delorie  <dj@redhat.com>
6528
6529         * config/i386/i386.c (ix86_data_alignment): Don't specify an
6530         alignment bigger than the object file can handle.
6531
6532 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
6533
6534         PR target/30825
6535         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
6536         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
6537         (*movsf_1): Penalize MMX moves.
6538
6539 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
6540
6541         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
6542         2^32-1 or more times unless flag_unsafe_loop_optimizations.
6543
6544         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
6545
6546 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6547
6548         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
6549         (fold_builtin_1): Use them.
6550         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
6551         BUILT_IN_SIGNIFICAND.
6552
6553 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
6554
6555         * config/i386/i386.c (bdesc_1arg): Initialize
6556         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
6557         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
6558         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
6559         and IX86_BUILTIN_MOVSLDUP.
6560
6561 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
6562
6563         PR rtl-optimization/30841
6564         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
6565
6566 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6567
6568         * builtins.c (fold_builtin_frexp): New.
6569         (fold_builtin_2): Use it.
6570
6571 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
6572
6573         * doc/invoke.texi (Spec Files): Document getenv spec function.
6574
6575         * gcc.c (getenv_spec_function): New function.
6576         (static_spec_functions): Add it.
6577         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
6578         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
6579         header files.
6580
6581 2007-02-22  Michael Matz  <matz@suse.de
6582
6583         PR c++/29433
6584         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
6585         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
6586
6587 2007-02-22  Ian Lance Taylor  <iant@google.com>
6588
6589         PR debug/30898
6590         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
6591         (mem_loc_descriptor): Call it.
6592
6593 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
6594             Ira Rosen  <irar@il.ibm.com>
6595
6596         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
6597
6598 2007-02-22  Ira Rosen  <irar@il.ibm.com>
6599
6600         PR tree-optimization/30843
6601         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
6602         stores only after all the group is vectorized.
6603
6604 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
6605
6606         PR tree-optimization/30858
6607         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
6608         in the reduction cycle have a single use in the loop.
6609         * tree-vectorizer.h (relevant): Add documentation.
6610
6611 2007-02-20  Mike Stump  <mrs@apple.com>
6612
6613         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
6614         * configure: Regenerate.
6615
6616 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
6617
6618         Change the defaults of some parameters and options.
6619         * config/spu/spu-protos.h (spu_optimization_options): Declare.
6620         * config/spu/spu.c (spu_optimization_options): Add.
6621         (spu_override_options): Change params in spu_optimization_options.
6622         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
6623
6624         Register 127 is only 16 byte aligned when used as a frame pointer.
6625         * config/spu/spu-protos.h (spu_init_expanders): Declare.
6626         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
6627         HARD_FRAME_POINTER_REGNUM.
6628         (spu_legitimate_address):  Use regno_aligned_for_reload.
6629         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
6630         aligned when frame_pointer_needed is true.
6631         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
6632         to 8 bits.
6633         * config/spu/spu.h (INIT_EXPANDERS): Define.
6634
6635         Make sure shift and rotate instructions have valid immediate operands.
6636         * config/spu/predicates.md (spu_shift_operand): Remove.
6637         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
6638         * config/spu/constraints.md (W, O): Extend range.
6639         * config/spu/spu.md (umask, nmask): Define.
6640         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
6641         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
6642         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
6643         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
6644         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
6645         (lshr<mode>3_reg):  Fix rtl description.
6646
6647         Make sure mulhisi immediate operands are valid.
6648         * config/spu/predicates.md (imm_K_operand): Add.
6649         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
6650
6651         Generate constants using fsmbi and andi.
6652         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
6653         (print_operand, spu_split_immediate, classify_immediate,
6654         fsmbi_const_p): Handle IC_FSMBI2.
6655
6656         Correctly handle a CONST_VECTOR containing symbols.
6657         * config/spu/spu.c (print_operand): Handle HIGH correctly.
6658         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
6659         (immediate_load_p): Allow symbols that use 2 instructions to create.
6660         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
6661         with symbols when flag_pic is set.
6662         (const_vector_immediate_p): New.
6663         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
6664         accept a CONST_VECTOR with symbols.
6665         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
6666         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
6667         correctly.
6668         * config/spu/spu.md (high, low): Delete.
6669         (low_<mode>): Define.
6670
6671         Remove INTRmode and INTR_REGNUM, which didn't work.
6672         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
6673         of INTR_REGNUM.
6674         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
6675         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
6676         peephole2 pattern): Don't use INTR or 131.
6677         (movintrcc): Delete.
6678         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
6679         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
6680         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
6681         (UNSPEC_SET_INTR): Add.
6682         * config/spu/spu-modes.def (INTR): Remove.
6683
6684         More accurate warnings about run-time relocations.
6685         * config/spu/spu.c (reloc_diagnostic): Test in_section.
6686
6687         Correctly warn about immediate arguments to specific intrinsics.
6688         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
6689         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
6690         the instruction predicate.
6691
6692         Fix tree check errors with latest update.
6693         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
6694         CALL_EXPR_ARG.
6695         (spu_expand_builtin): Use CALL_EXPR_FN.
6696
6697         Add missing specific intrinsics.
6698         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
6699         si_bislede.
6700         * config/spu/spu_internals.h: Ditto.
6701
6702         Fix incorrect operand modifiers.
6703         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
6704         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
6705
6706         Optimize one case of zero_extend of a vec_select.
6707         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
6708
6709         Accept any immediate for hbr.
6710         * config/spu/spu.md (hbr):  Change s constraints to i.
6711
6712 2007-02-21  Paul Brook  <paul@codesourcery.com>
6713
6714         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
6715         condexec_count when skipping USE and CLOBBER.
6716
6717 2007-02-21  Nick Clifton  <nickc@redhat.com>
6718
6719         * common.opt (Warray-bounds): Add Warning attribute.
6720         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
6721         Likewise.
6722         (fsized-zeroes): Add Optimization attribute.
6723         (fsplit-wide-types, ftree-scev-cprop): Likewise.
6724         * c.opt (Wc++0x-compat): Add Warning attribute.
6725
6726 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
6727
6728         PR middle-end/30761
6729         * reload1.c (eliminate_regs_in_insn): In the single_set special
6730         case, attempt to re-recognize the insn before falling back to
6731         having reload fix it up.
6732
6733 2007-02-20  Eric Christopher  <echristo@gmail.com>
6734
6735         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
6736         Rewrite accordingly.
6737         (frv_read_iacc_argument): Ditto.
6738         (frv_expand_set_builtin): Take a call instead of arglist, update for
6739         above changes.
6740         (frv_expand_unop_builtin): Ditto.
6741         (frv_expand_binop_builtin): Ditto.
6742         (frv_expand_cut_builtin): Ditto.
6743         (frv_expand_binopimm_builtin): Ditto.
6744         (frv_expand_voidbinop_builtin): Ditto.
6745         (frv_expand_int_void2arg): Ditto.
6746         (frv_expand_prefetches): Ditto.
6747         (frv_expand_voidtriop_builtin): Ditto.
6748         (frv_expand_voidaccop_builtin): Ditto.
6749         (frv_expand_load_builtin): Ditto.
6750         (frv_expand_store_builtin): Ditto.
6751         (frv_expand_mdpackh_builtin): Ditto.
6752         (frv_expand_mclracc_builtin): Ditto.
6753         (frv_expand_mrdacc_builtin): Ditto.
6754         (frv_expand_mwtacc_builtin): Ditto.
6755         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
6756         calls for above.
6757
6758 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
6759
6760         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
6761         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
6762         cmpb instruction.
6763         (HAVE_GAS_DFP): Check for assembler support of decimal floating
6764         point instructions.
6765         * configure: Regenerate.
6766         * config.in: Regenerate.
6767         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
6768         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
6769         masks to power6 and power6x and to POWERPC_MASKS.
6770         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6771         _ARCH_PWR6.
6772         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
6773         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
6774         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
6775         Access PROTOTYPE as variable, not mask.
6776
6777 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
6778
6779         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
6780         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
6781         * combine.c (adjust_for_new_dest): Use it.
6782         * postreload.c (reload_combine): Likewise.
6783
6784 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
6785
6786         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
6787         notes on an insn with multiple sets, even if single_set returns
6788         non-NULL for that insn.
6789
6790 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6791
6792         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
6793         scalbn and scalbln.
6794
6795 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
6796
6797         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
6798         if user didn't pass it.
6799         * config/i386/darwin.h (CC1_SPEC): Likewise.
6800         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
6801         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
6802         -mmacosx-version-min.
6803
6804 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6805             Uros Bizjak  <ubizjak@gmail.com>
6806
6807         * optabs.h (enum optab_index): Add new OTI_scalb.
6808         (scalb_optab): Define corresponding macro.
6809         * optabs.c (init_optabs): Initialize scalb_optab.
6810         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
6811         patterns.
6812         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
6813         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
6814         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
6815         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
6816         flag_unsafe_math_optimizations is set.
6817
6818         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
6819         to implement scalbf, scalb and scalbl built-ins as inline x87
6820         intrinsics.
6821
6822 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6823             DJ Delorie <dj@redhat.com>
6824
6825         PR other/30824
6826         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
6827         (diagnostic_report_diagnostic): ... here, and turn them into real
6828         errors. If warnings are inhibited, no need to do anything.
6829
6830 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
6831
6832         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
6833         better code generation.
6834
6835 2007-02-20  Ben Elliston  <bje@au.ibm.com>
6836
6837         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
6838
6839 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
6840
6841         * config/alpha/alpha.c, config/alpha/alpha.md,
6842         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
6843         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
6844         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
6845         config/arm/lib1funcs.asm: Follow spelling conventions.
6846
6847         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
6848         config/fr30/fr30.md, config/i386/i386.h,
6849         config/iq2000/iq2000.h, config/iq2000/predicates.md,
6850         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
6851         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
6852         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
6853         config/rs6000/altivec.md, config/rs6000/rs6000.c,
6854         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
6855         config/sparc/sparc.c, config/sparc/sparc.h,
6856         config/sparc/sparc.md, config/spu/constraints.md,
6857         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
6858         conventions.
6859
6860 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
6861
6862         PR target/29943
6863         * varasm.c (use_blocks_for_decl_p): Return false for decls with
6864         alias attribute.
6865
6866 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
6867
6868         * doc/invoke.texi (-ftree-lrs): Remove.
6869
6870 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
6871
6872         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
6873         NULL.
6874
6875 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
6876
6877         * config/ia64/ia64.c (ia64_expand_builtin): Use the
6878         new CALL_EXPR_FN macro for retrieving the function
6879         declaration of the input expression.
6880
6881 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6882
6883         * c.opt (Waddress): New.
6884         * common.opt (Walways-true): Delete.
6885         (Wstring-literal-comparison): Delete.
6886         * doc/invoke.texi (Warning Options): Delete -Walways-true and
6887         -Wstring-literal-comparison. Add -Waddress.
6888         (Waddress): New.
6889         (Walways-true): Delete.
6890         (Wstring-literal-comparison): Delete.
6891         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
6892         consistently instead of -Walways-true in example.
6893         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
6894         * c-typeck.c (parser_build_binary_op): Replace
6895         -Wstring-literal-comparison and -Walways-true with -Waddress.
6896         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
6897         with -Waddress.
6898
6899 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6900
6901         * tree-cfg.c (dump_function_to_file): Be prepared for functions
6902         without DECL_STRUCT_FUNCTION initialized.
6903
6904 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
6905
6906         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
6907         due to calls to functions taking pointers as parameters.
6908
6909 2007-02-19  Richard Henderson  <rth@redhat.com>
6910
6911         PR debug/29558
6912         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
6913         in memory.
6914
6915 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
6916
6917         * config/s390/s390.c (s390_call_saved_register_used,
6918         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
6919         accessed to the new scheme.
6920
6921 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
6922
6923         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
6924         (cris_print_index, cris_print_operand, cris_print_operand_address)
6925         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
6926         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
6927         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
6928         GET_CODE () == xxx.
6929         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
6930         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
6931         GO_IF_LEGITIMATE_ADDRESS): Ditto.
6932         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
6933         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
6934         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
6935         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
6936         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
6937         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
6938         (uminsi3, call, call_value): Ditto.
6939         (define_split: indir_to_reg_split, unnamed): Ditto.
6940
6941 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
6942
6943         PR tree-optimization/30975
6944         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
6945         wrong assert.
6946
6947 2007-02-18  Eric Christopher  <echristo@gmail.com>
6948
6949         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
6950         Remove use of arglist.
6951         (mips_expand_builtin): Remove use of arglist, pass in expr.
6952         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
6953         (mips_expand_builtin_movtf): Ditto.
6954         (mips_expand_builtin_compare): Ditto.
6955
6956 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6957
6958         * tree-sra.c (sra_build_assignment): Replace assertion
6959         checking with a comment explaining why it can't be done.
6960
6961 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
6962
6963         PR middle-end/30833
6964         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
6965         during CALL_EXPR representation conversion.
6966         * tree-ssa-propagate.c (set_rhs): Likewise.
6967
6968 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
6969
6970         * tree-sra.c (sra_build_assignment): Disable assertion checking
6971         for now.
6972
6973 2007-02-18  Roger Sayle  <roger@eyesopen.com>
6974
6975         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
6976         instead of calling build2 with a GIMPLE_MODIFY_STMT.
6977         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
6978         Likewise.
6979         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
6980         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
6981         gimplify_init_ctor_eval_range, gimple_push_cleanup,
6982         gimplify_omp_for, gimplify_omp_atomic_pipeline,
6983         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
6984         force_gimple_operand): Likewise.
6985         * ipa-cp.c (constant_val_insert): Likewise.
6986         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
6987         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
6988         perfect_nestify): Likewise.
6989         * langhooks.c (lhd_omp_assignment): Likewise.
6990         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
6991         lower_copyprivate_clauses, lower_send_clauses,
6992         lower_send_shared_vars, expand_parallel_call,
6993         expand_omp_for_generic, expand_omp_for_static_nochunk,
6994         expand_omp_for_static_chunk, expand_omp_sections,
6995         lower_omp_single_copy, lower_omp_for_lastprivate,
6996         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
6997         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
6998         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
6999         Likewise.
7000
7001 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
7002
7003         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
7004         config/sh/sh.md: Follow spelling conventions.
7005
7006         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
7007         config/frv/predicates.md: Follow spelling conventions.
7008
7009         * config/m68k/linux-unwind.h: Fix a comment typo.
7010         * target.h: Follow spelling conventions.
7011
7012 2007-02-18  Roger Sayle  <roger@eyesopen.com>
7013
7014         PR rtl-optimization/28173
7015         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
7016         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
7017         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
7018         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
7019         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
7020
7021 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7022
7023         * builtins.c (fold_builtin_load_exponent): New.
7024         (fold_builtin_2): Use it.
7025
7026 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
7027
7028         PR rtl-optimization/30773
7029         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
7030         if we fail to attach a REG_EQUIV note.
7031
7032 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
7033             Roger Sayle  <roger@eyesopen.com>
7034
7035         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
7036
7037 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
7038
7039         * calls.c (initialize_argument_information): Pass original EXP
7040         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
7041         code to split complex arguments here, as part of initializing the
7042         ARGS array.
7043         (expand_call): Remove code that builds a list of arguments and
7044         inserts implicit arguments into it.  Instead, just count how many
7045         implicit arguments there will be so we can determine the size of
7046         the ARGS array, and let initialize_argument_information do the work.
7047         (split_complex_values): Delete unused function.
7048
7049 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
7050
7051         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
7052
7053 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
7054
7055         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
7056         for arg pointer based indexed addressing.
7057
7058 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
7059
7060         * config/ia64/ia64.h, config/ia64/ia64.md,
7061         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
7062         spelling conventions.
7063
7064 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
7065
7066         * config/m68k/m68k.c (split_di): New.
7067         * config/m68k/m68k-protos.h: Declare split_di.
7068         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
7069           Improve predicate handling and split constant shifts.
7070
7071 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
7072
7073         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
7074         parameter for register bitfield operations, general predicates
7075         cleanup
7076
7077 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
7078
7079         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
7080         * config/m68k/linux-unwind.h: New file.
7081
7082 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
7083
7084         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
7085         config/i386/athlon.md, config/ia64/ia64.md,
7086         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
7087         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
7088         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
7089         tree-ssa-loop-niter.c, tree-vect-analyze.c,
7090         tree-vect-transform.c: Fix comment typos.
7091
7092 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
7093
7094         * sched-deps.c (find_insn_list): Remove.
7095         * sched-int.h: Remove the prototype for find_insn_list.
7096
7097 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
7098
7099         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
7100         to linker.
7101         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
7102         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
7103         darwin_rs6000_override_options.
7104         (C_COMMON_OVERRIDE_OPTIONS): Expect
7105         darwin_macosx_version_min to be non-NULL always.
7106         (TARGET_C99_FUNCTIONS): Likewise.
7107         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
7108         (DARWIN_MINVERSION_SPEC): New.
7109         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
7110         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
7111         to cc1*.
7112         (DARWIN_MINVERSION_SPEC): New.
7113         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
7114         value.
7115         * config/darwin-c.c (darwin_cpp_builtins): Expect
7116         darwin_macosx_version_min to be non-NULL always.
7117
7118         * config/rs6000/rs6000.c: Clean up trailing whitespace.
7119
7120 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
7121
7122         * config/i386/i386.h (x86_use_xchgb): New.
7123         (TARGET_USE_XCHGB): New macro.
7124         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
7125         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
7126         Split after reload into bswaphi for shifts of 8.
7127         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
7128         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
7129         or when optimizing for size.
7130
7131 2007-02-16  Richard Guenther  <rguenther@suse.de>
7132             Christian Bruel  <christian.bruel@st.com>
7133
7134         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
7135         DECLs but prefer SSA_NAMEs over DECLs.
7136
7137 2007-02-16  Richard Guenther  <rguenther@suse.de>
7138
7139         * tree-flow-inline.h (single_imm_use_p): Remove.
7140         (zero_imm_uses_p): Likewise.
7141         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
7142         instead of single_imm_use_p.
7143         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
7144         zero_imm_uses_p.
7145
7146 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7147
7148         PR other/27843
7149         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
7150         nested double- and backquotes.
7151
7152 2007-02-15  Roger Sayle  <roger@eyesopen.com>
7153
7154         PR middle-end/30391
7155         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
7156         should be unreachable.
7157         (build2_stat): Allow construction of MODIFY_EXPR at any time.
7158         For the time being redirect GIMPLE_MODIFY_STMT to the new
7159         (renamed) build_gimple_modify_stmt_stat.
7160         (build2_gimple_stat): Rename to...
7161         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
7162         Always build a GIMPLE_MODIFY_STMT node.
7163         * tree.h (build2_gimple, build2_gimple_stat): Delete.
7164         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
7165         declarations.
7166
7167         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
7168         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
7169         * tree-complex.c (set_component_ssa_name, expand_complex_move,
7170         expand_complex_div_wide): Likewise.
7171         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
7172         * tree-ssa-loop-im.c (schedule_sm): Likewise.
7173         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
7174         * tree-ssa-loop-manip.c (create_iv): Likewise.
7175         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
7176         abs_replacement): Likewise.
7177         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
7178         realify_fake_stores): Likewise.
7179
7180         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
7181         node rather than a GIMPLE_MODIFY_STMT node.
7182         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
7183         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
7184         Likewise.
7185         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
7186         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
7187         GIMPLE_MODIFY_STMT.
7188
7189 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7190
7191         PR middle-end/30433
7192         * fold-const.c (fold_comparison): Add back the
7193         folding of constant complex comparisions.
7194
7195 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7196
7197         PR middle-end/30729
7198         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
7199         effects unknown to this function, return early.
7200
7201 2007-02-15  Ian Lance Taylor  <iant@google.com>
7202
7203         * lower-subreg.c (move_eh_region_note): New static function.
7204         (resolve_simple_move): Call it.
7205         (decompose_multiword_subregs): Track blocks for which we resolve a
7206         simple move which is also a control flow insn.  Pass them to
7207         find_many_sub_basic_blocks.
7208         (pass_lower_subreg): Add TODO_verify_flow.
7209         (pass_lower_subreg2): Likewise.
7210
7211 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7212             Brooks Moses  <brooks.moses@codesourcery.com>
7213             Lee Millward  <lee.millward@codesourcery.com>
7214
7215         * tree.h (enum tree_code_class): Add tcc_vl_exp.
7216         (VL_EXP_CLASS_P): New.
7217         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
7218         TREE_CODE_LENGTH.
7219         (TREE_OPERAND_CHECK_CODE): Likewise.
7220         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
7221         (TREE_RTL_OPERAND_CHECK): Likewise.
7222         (tree_operand_check_failed): Make second parameter the whole tree
7223         instead of its code.  Fixed callers.
7224         (VL_EXP_CHECK): New.
7225         (TREE_OPERAND_LENGTH): New.
7226         (VL_EXP_OPERAND_LENGTH): New.
7227         (CALL_EXPR_FN): New.
7228         (CALL_EXPR_STATIC_CHAIN): New.
7229         (CALL_EXPR_ARGS): New.
7230         (CALL_EXPR_ARG): New.
7231         (call_expr_nargs): New.
7232         (CALL_EXPR_ARGP): New.
7233         (build_nt_call_list): Declare.
7234         (build_vl_exp_stat): Declare.
7235         (build_vl_exp): New.
7236         (build_call_list): Declare.
7237         (build_call_nary): Declare.
7238         (build_call_valist): Declare.
7239         (build_call_array): Declare.
7240         (call_expr_arg): Declare.
7241         (call_expr_argp): Declare.
7242         (call_expr_arglist): Declare.
7243         (fold_build_call_list): Declare.
7244         (fold_build_call_list_initializer): Declare.
7245         (fold_call_expr): Declare to replace fold_builtin.
7246         (fold_builtin_fputs): Update to agree with modified definition.
7247         (fold_builtin_strcpy): Likewise.
7248         (fold_builtin_strncpy): Likewise.
7249         (fold_builtin_memory_chk): Likewise.
7250         (fold_builtin_stxcpy_chk): Likewise.
7251         (fold_builtin_strncpy_chk): Likewise.
7252         (fold_builtin_next_arg): Likewise.
7253         (fold_build_call_expr): Declare.
7254         (fold_builtin_call_list): Declare.
7255         (fold_builtin_call_valist): Declare.
7256         (build_call_expr): Declare.
7257         (validate_arglist): Update to agree with modified definition.
7258         (tree_operand_length): New.
7259         (call_expr_arg_iterator): New.
7260         (init_call_expr_arg_iterator): New.
7261         (next_call_expr_arg): New.
7262         (first_call_expr_arg): New.
7263         (more_call_expr_args_p): New.
7264         (FOR_EACH_CALL_EXPR_ARG): New.
7265
7266         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
7267         and tcc_gimple_stmt.
7268         (tree_code_size): Update documentation.  Use sizeof (tree) rather
7269         than sizeof (char *).
7270         (tree_size): Likewise.  Add case for tcc_vl_exp.
7271         (tree_node_structure): Add case for tcc_vl_exp.
7272         (contains_placeholder_p): Likewise.
7273         (substitute_in_expr): Likewise.
7274         (substitute_placeholder_in_expr): Likewise.
7275         (stabilize_reference_1): Likewise.
7276         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
7277         to diagnose breakage of this interface for constructing CALL_EXPRs.
7278         (build_nt): Add similar assertion here.
7279         (build_nt_call_list): New.
7280         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
7281         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
7282         TREE_CODE_LENGTH.
7283         (get_callee_fndecl): Use new CALL_EXPR accessors.
7284         (tree_operand_check_failed): Change parameters to pass entire node
7285         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
7286         (process_call_operands): New.
7287         (build_vl_exp_stat): New.
7288         (build_call_list): New.
7289         (build_call_nary): New.
7290         (build_call_valist): New.
7291         (build_call_array): New.
7292         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7293         (call_expr_arglist): New.
7294
7295         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
7296         tcc_vl_exp instead of a fixed-size tcc_expression.
7297
7298         * doc/c-tree.texi (CALL_EXPR): Document new representation and
7299         accessors for CALL_EXPRs.
7300         (AGGR_INIT_EXPR): Likewise.
7301
7302 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7303             Brooks Moses  <brooks.moses@codesourcery.com>
7304             Lee Millward  <lee.millward@codesourcery.com>
7305
7306         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
7307         (expand_builtin_nonlocal_goto): Change parameter to be entire
7308         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
7309         (expand_builtin_prefetch): Likewise.
7310         (expand_builtin_classify_type): Likewise.
7311         (mathfn_built_in): Return NULL_TREE instead of 0.
7312         (expand_errno_check): Use new CALL_EXPR accessors.
7313         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
7314         Return NULL_RTX instead of 0.
7315         (expand_builtin_mathfn_2): Likewise.
7316         (expand_builtin_mathfn_3): Likewise.
7317         (expand_builtin_interclass_mathfn): Likewise.
7318         (expand_builtin_sincos): Likewise.
7319         (expand_builtin_cexpi): Likewise.
7320         (expand_builtin_int_roundingfn): Likewise.
7321         (expand_builtin_int_roundingfn_2): Likewise.
7322         (expand_builtin_pow): Likewise.
7323         (expand_builtin_powi): Likewise.
7324         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
7325         of arglist, fixing callers appropriately.  Use new CALL_EXPR
7326         accessors and constructors.  Return NULL_RTX instead of 0.
7327         (expand_builtin_strstr): Likewise.
7328         (expand_builtin_strchr): Likewise.
7329         (expand_builtin_strrchr): Likewise.
7330         (expand_builtin_strpbrk): Likewise.
7331         (expand_builtin_memcpy): Likewise.
7332         (expand_builtin_mempcpy): Likewise.
7333         (expand_builtin_mempcpy_args): New.
7334         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
7335         (expand_builtin_memmove_args): New.
7336         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
7337         (expand_movstr): Likewise.
7338         (expand_builtin_strcpy): Likewise.
7339         (expand_builtin_strcpy_args): New.
7340         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
7341         (expand_builtin_strncpy): Likewise.
7342         (expand_builtin_memset): Likewise.
7343         (expand_builtin_memset_args): New.
7344         (expand_builtin_bzero): Similarly to expand_builtin_memset.
7345         (expand_builtin_memcmp): Likewise.
7346         (expand_builtin_strcmp): Likewise.
7347         (expand_builtin_strncmp): Likewise.
7348         (expand_builtin_strcat): Likewise.
7349         (expand_builtin_strncat): Likewise.
7350         (expand_builtin_strspn): Likewise.
7351         (expand_builtin_strcspn): Likewise.
7352         (expand_builtin_args_info): Likewise.
7353         (expand_builtin_va_start): Likewise.
7354         (gimplify_va_arg_expr): Likewise.
7355         (expand_builtin_va_end): Likewise.
7356         (expand_builtin_va_copy): Likewise.
7357         (expand_builtin_frame_address): Likewise.
7358         (expand_builtin_alloca): Likewise.
7359         (expand_builtin_bswap): Likewise.
7360         (expand_builtin_unop): Likewise.
7361         (expand_builtin_fputs): Likewise.
7362         (expand_builtin_expect): Likewise.
7363         (expand_builtin_fabs): Likewise.
7364         (expand_builtin_copysign): Likewise.
7365         (expand_builtin_printf): Likewise.
7366         (expand_builtin_fprintf): Likewise.
7367         (expand_builtin_sprintf): Likewise.
7368         (expand_builtin_init_trampoline): Likewise.
7369         (expand_builtin_signbit): Likewise.
7370         (expand_builtin_fork_or_exec): Likewise.
7371         (expand_builtin_sync_operation): Likewise.
7372         (expand_builtin_compare_and_swap): Likewise.
7373         (expand_builtin_lock_test_and_set): Likewise.
7374         (expand_builtin_lock_release): Likewise.
7375         (expand_builtin): Likewise.
7376         (builtin_mathfn_code): Likewise.
7377
7378         (fold_builtin_constant_p): Pass call arguments individually instead
7379         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7380         accessors and constructors.  Return NULL_TREE instead of 0.
7381         (fold_builtin_expect): Likewise.
7382         (fold_builtin_classify_type): Likewise.
7383         (fold_builtin_strlen): Likewise.
7384         (fold_builtin_nan): Likewise.
7385         (integer_valued_real_p): Likewise.
7386         (fold_trunc_transparent_mathfn): Likewise.
7387         (fold_fixed_mathfn): Likewise.
7388         (fold_builtin_cabs): Likewise.
7389         (fold_builtin_sqrt): Likewise.
7390         (fold_builtin_cbrt): Likewise.
7391         (fold_builtin_cos): Likewise.
7392         (fold_builtin_cosh): Likewise.
7393         (fold_builtin_tan): Likewise.
7394         (fold_builtin_sincos): Likewise.
7395         (fold_builtin_cexp): Likewise.
7396         (fold_builtin_trunc): Likewise.
7397         (fold_builtin_floor): Likewise.
7398         (fold_builtin_ceil): Likewise.
7399         (fold_builtin_round): Likewise.
7400         (fold_builtin_int_roundingfn): Likewise.
7401         (fold_builtin_bitop): Likewise.
7402         (fold_builtin_bswap): Likewise.
7403         (fold_builtin_logarithm): Likewise.
7404         (fold_builtin_hypot): Likewise.
7405         (fold_builtin_pow): Likewise.
7406         (fold_builtin_powi): Likewise.
7407         (fold_builtin_exponent): Likewise.
7408         (fold_builtin_memset): Likewise.
7409         (fold_builtin_bzero): Likewise.
7410         (fold_builtin_memory_op): Likewise.
7411         (fold_builtin_bcopy): Deleted; call site changed to invoke
7412         fold_builtin_memory_op directly.
7413         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
7414         (fold_builtin_strncpy): Likewise.
7415         (fold_builtin_memcmp): Likewise.
7416         (fold_builtin_strcmp): Likewise.
7417         (fold_builtin_strncmp): Likewise.
7418         (fold_builtin_signbit): Likewise.
7419         (fold_builtin_copysign): Likewise.
7420         (fold_builtin_isascii): Likewise.
7421         (fold_builtin_toascii): Likewise.
7422         (fold_builtin_isdigit): Likewise.
7423         (fold_builtin_fabs): Likewise.
7424         (fold_builtin_abs): Likewise.
7425         (fold_builtin_fmin_fmax): Likewise.
7426         (fold_builtin_carg): Likewise.
7427         (fold_builtin_classify): Likewise.
7428         (fold_builtin_unordered_cmp): Likewise.
7429
7430         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
7431         New functions split out from fold_builtin_1.
7432         (fold_builtin_n): New.
7433         (fold_builtin_varargs): New.
7434         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
7435         instead.
7436         (fold_call_expr): New.
7437         (build_function_call_expr): Rewrite to use new helper function.
7438         (fold_builtin_call_list): New.
7439         (build_call_expr): New.
7440         (fold_builtin_call_valist): New.
7441         (rewrite_call_expr): New.
7442         (validate_arg): New.
7443         (validate_arglist): Change parameter to be entire CALL_EXPR instead
7444         of an arglist.  Change return type to bool.  Use new CALL_EXPR
7445         accessors.
7446
7447         (fold_builtin_strstr):  Pass call arguments individually instead
7448         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7449         accessors and constructors.  Return NULL_TREE instead of 0.
7450         (fold_builtin_strchr): Likewise.
7451         (fold_builtin_strrchr): Likewise.
7452         (fold_builtin_strpbrk): Likewise.
7453         (fold_builtin_strcat): Likewise.
7454         (fold_builtin_strncat): Likewise.
7455         (fold_builtin_strspn): Likewise.
7456         (fold_builtin_strcspn): Likewise.
7457         (fold_builtin_fputs): Likewise.
7458         (fold_builtin_next_arg): Likewise.
7459         (fold_builtin_sprintf): Likewise.
7460
7461         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
7462         NULL_RTX instead of 0.
7463         (expand_builtin_memory_chk): Likewise.
7464         (maybe_emit_chk_warning): Likewise.
7465         (maybe_emit_sprintf_chk_warning): Likewise.
7466
7467         (fold_builtin_object_size): Pass call arguments individually instead
7468         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
7469         accessors and constructors.  Return NULL_TREE instead of 0.
7470         (fold_builtin_memory_chk): Likewise.
7471         (fold_builtin_stxcpy_chk): Likewise.
7472         (fold_builtin_strncpy_chk): Likewise.
7473         (fold_builtin_strcat_chk): Likewise.
7474         (fold_builtin_strcat_chk): Likewise.
7475         (fold_builtin_strncat_chk): Likewise.
7476         (fold_builtin_sprintf_chk): Likewise.
7477         (fold_builtin_snprintf_chk): Likewise.
7478         (fold_builtin_printf): Likewise.
7479         (fold_builtin_vprintf): Likewise.
7480
7481         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
7482         constructors.
7483         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
7484         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7485         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
7486         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
7487         (fold_unary): Likewise.
7488         (fold_binary): Likewise.
7489         (fold_ternary): Remove CALL_EXPR case, since they are no longer
7490         ternary expressions.
7491         (fold): Add logic for tcc_vl_exp.
7492         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
7493         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7494         (fold_build3_stat): Add assertion to flag broken interface for
7495         constructing CALL_EXPRs.
7496         (fold_build_call_list): New.
7497         (fold_build_call_list_initializer): New.
7498         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
7499         constructors.
7500         (fold_strip_sign_ops): Likewise.
7501
7502 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7503             Brooks Moses  <brooks.moses@codesourcery.com>
7504             Lee Millward  <lee.millward@codesourcery.com>
7505
7506         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
7507         accessors and dump arguments explicitly.
7508
7509         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
7510         TREE_CODE_LENGTH.
7511         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
7512         explicitly.
7513         (print_call_name): Use new CALL_EXPR accessors.
7514
7515         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
7516         CALL_EXPR arguments explicitly instead of as a list.  Use
7517         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7518
7519         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
7520         (vrp_visit_stmt): Likewise.
7521
7522         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
7523         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
7524         TREE_CODE_LENGTH.
7525         (force_move_till_expr): Likewise.
7526
7527         * targhooks.c (default_external_stack_protect_fail): Use
7528         build_call_expr instead of build_function_call_expr.
7529         (default_hidden_stack_protect_fail): Likewise.
7530
7531         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
7532         build the call.
7533
7534         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
7535         and walk arguments explicitly.
7536
7537         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
7538         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7539         (expand_simple_operations): Likewise.
7540         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
7541
7542         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
7543         of TREE_CODE_LENGTH.
7544         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
7545
7546         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
7547         instead of TREE_CODE_LENGTH.
7548
7549         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
7550         (tree_ic_transform): Likewise.
7551         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
7552         parameter instead of arglist.  Fix callers.
7553         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
7554         (tree_stringops_transform): Likewise.
7555         (tree_indirect_call_to_profile): Likewise.
7556         (tree_stringops_values_to_profile): Likewise.
7557
7558         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
7559         (eliminate_tail_call): Likewise.
7560
7561         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
7562
7563         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
7564         Use TREE_OPERAND_LENGTH and generalize to handle any number of
7565         operands.
7566         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
7567
7568         * omp-low.c (build_omp_barrier): Use build_call_expr.
7569         (lower_rec_input_clauses): Likewise.
7570         (lower_reduction_clauses): Likewise.
7571         (expand_parallel_call): Likewise.
7572         (maybe_catch_exception): Likewise.
7573         (expand_omp_for_generic): Likewise.
7574         (expand_omp_for_static_nochunk): Likewise.
7575         (expand_omp_sections): Likewise.
7576         (lower_omp_single_simple): Likewise.
7577         (lower_omp_single_copy): Likewise.
7578         (lower_omp_master): Likewise.
7579         (lower_omp_ordered): Likewise.
7580         (lower_omp_critical): Likewise.
7581
7582         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
7583         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
7584
7585         * tree-gimple.c (is_gimple_call_addr): Fix doc.
7586         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
7587         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
7588
7589         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
7590         and generalize to handle any number of operands.
7591         (chrec_contains_undetermined): Likewise.
7592         (tree_contains_chrecs): Likewise.
7593         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
7594
7595         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
7596
7597         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
7598         fold_call_expr instead of fold_builtin.
7599         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
7600         match declarations there.
7601         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
7602         updates.
7603
7604         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
7605         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7606
7607         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
7608         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
7609
7610         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
7611         accessors.
7612
7613         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
7614         (execute_cse_sincos): Use new CALL_EXPR accessors.
7615
7616         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
7617
7618         * gimple-low.c (lower_function_body): Use build_call_expr.
7619         (lower_builtin_setjmp): Likewise.
7620
7621         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
7622         (set_storage_via_libcall): Likewise.
7623         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
7624         instead of TREE_CODE_LENGTH.
7625         (expand_expr_real_1): Use new CALL_EXPR accessors.
7626
7627         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
7628         generalize to handle any number of operands.
7629         (TB_parent_eq): Likewise.
7630
7631         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
7632         (strip_builtin_expect): Likewise.
7633
7634         * function.c (gimplify_parameters): Use build_call_expr.
7635
7636         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
7637         instead of TREE_CODE_LENGTH.
7638
7639         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
7640         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
7641
7642         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
7643         iterators.
7644
7645         * gimplify.c (build_stack_save_restore): Use build_call_expr.
7646         (gimplify_decl_expr): Likewise.
7647         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
7648         Use new CALL_EXPR iterators.
7649         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
7650         (gimplify_modify_expr_to_memset): Likewise.
7651         (gimplify_variable_sized_compare): Likewise.
7652         (gimplify_omp_atomic_fetch_op): Likewise.
7653         (gimplify_omp_atomic_pipeline): Likewise.
7654         (gimplify_omp_atomic_mutex): Likewise.
7655         (gimplify_function_tree): Likewise.
7656
7657         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
7658         (call_expr_flags): Likewise.
7659         (expand_call): Likewise.
7660
7661         * except.c (expand_builtin_eh_return_data_regno): Pass entire
7662         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
7663         accessors.
7664
7665         * coverage.c (create_coverage): Use build_call_expr.
7666
7667         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
7668         (temp_call_expr_obstack): New.
7669         (pool_copy_list): Delete.
7670         (temp_copy_call_expr): New.
7671         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
7672         CALL_EXPR accessors.  Get rid of special goo for copying argument
7673         lists and use temp_copy_call_expr instead.
7674         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
7675         CALL_EXPR accessors.
7676         (create_expression_by_pieces): Likewise.  Use build_call_array
7677         to construct the result instead of fold_build3.
7678         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
7679         dealing with argument lists.
7680         (init_pre): Remove references to expression_node_pool and
7681         list_node_pool.  Init temp_call_expr_obstack instead.
7682         (fini_pre): Remove references to expression_node_pool and
7683         list_node_pool.
7684
7685         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
7686         and walk arguments explicitly instead of as a list.
7687
7688         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
7689         (mx_register_decls): Likewise.
7690         (mudflap_register_call): Likewise.
7691         (mudflap_finish_file): Likewise.
7692
7693         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
7694         (ipa_callsite_compute_param): Likewise.
7695
7696         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
7697         accessors and constructor.
7698
7699         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
7700         accessors and constructor.
7701         (convert_tramp_reference): Likewise.
7702         (convert_call_expr): Likewise.
7703         (finalize_nesting_tree_1): Likewise.
7704
7705         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
7706         accessors.
7707
7708         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
7709
7710         * tree-inline.c (initialize_inlined_parameters): Pass entire
7711         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
7712         accessors.
7713         (estimate_num_insns_1): Use new CALL_EXPR accessors.
7714         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
7715
7716         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
7717         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7718         (vectorizable_reduction): Likewise.
7719         (vectorizable_call): Use new CALL_EXPR iterators.
7720         (vectorizable_conversion): Use build_call_expr.
7721         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
7722         (vect_gen_widened_results_half): Use build_call_expr.
7723         (vect_setup_realignment): Likewise.
7724         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
7725
7726         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
7727         (pass_through_call): Likewise.
7728         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
7729         fold_builtin.
7730
7731         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
7732         (tree_gen_pow2_profiler): Likewise.
7733         (tree_gen_one_value_profiler): Likewise.
7734         (tree_gen_ic_func_profiler): Likewise.
7735         (tree_gen_average_profiler): Likewise.
7736         (tree_gen_ior_profiler): Likewise.
7737
7738         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
7739         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
7740         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7741
7742         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
7743         of TREE_CODE_LENGTH.
7744
7745         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
7746         of TREE_CODE_LENGTH.
7747
7748         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
7749         constructor.
7750         (convert_to_integer): Likewise.
7751
7752         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
7753         accessors.
7754
7755 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7756             Brooks Moses  <brooks.moses@codesourcery.com>
7757             Lee Millward  <lee.millward@codesourcery.com>
7758
7759         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
7760         accessors.
7761         * config/frv/frv.c (frv_expand_builtin): Likewise.
7762         * config/s390/s390.c (s390_expand_builtin): Likewise.
7763
7764         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
7765         (sparc_expand_builtin): Use new CALL_EXPR accessors.
7766
7767         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
7768         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
7769         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
7770         (ix86_expand_store_builtin): Likewise.
7771         (ix86_expand_unop_builtin): Likewise.
7772         (ix86_expand_unop1_builtin): Likewise.
7773         (ix86_expand_sse_compare): Likewise.
7774         (ix86_expand_sse_comi): Likewise.
7775         (ix86_expand_vec_init_builtin): Likewise.
7776         (ix86_expand_vec_ext_builtin): Likewise.
7777         (ix86_expand_vec_set_builtin): Likewise.
7778         (ix86_expand_builtin): Use new CALL_EXPR accessors.
7779
7780         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
7781         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
7782
7783         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
7784         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7785         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
7786
7787         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
7788         build_call_expr.
7789         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
7790         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
7791         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7792         (altivec_expand_abs_builtin): Likewise.
7793         (rs6000_expand_binop_builtin): Likewise.
7794         (altivec_expand_predicate_builtin): Likewise.
7795         (altivec_expand_lv_builtin): Likewise.
7796         (spe_expand_stv_builtin): Likewise.
7797         (altivec_expand_stv_builtin): Likewise.
7798         (rs6000_expand_ternop_builtin): Likewise.
7799         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
7800         (altivec_expand_st_builtin): Likewise.
7801         (altivec_expand_dst_builtin): Likewise.
7802         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
7803         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7804         (altivec_expand_vec_set_builtin): Likewise.
7805         (altivec_expand_vec_ext_builtin): Likewise.
7806         (altivec_expand_builtin): Use new CALL_EXPR accessors.
7807         (spe_expand_builtin): Likewise.
7808         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
7809         arglist.  Use new CALL_EXPR accessors.  Fix callers.
7810         (spe_expand_evsel_builtin): Likewise.
7811         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
7812         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
7813
7814         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
7815         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7816         (arm_expand_unop_builtin): Likewise.
7817         (arm_expand_builtin): Use new CALL_EXPR accessors.
7818
7819         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
7820         accessors.
7821
7822         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
7823         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
7824         (bfin_expand_unop_builtin): Likewise.
7825         (bfin_expand_builtin): Use new CALL_EXPR accessors.
7826
7827 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
7828             Brooks Moses  <brooks.moses@codesourcery.com>
7829             Lee Millward  <lee.millward@codesourcery.com>
7830
7831         * c-semantics.c (build_stmt): Add internal diagnostic check.
7832
7833         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
7834         accessors.  Print arguments explicitly instead of as a list.
7835
7836         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
7837
7838         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
7839         (c_finish_omp_flish): Likewise.
7840
7841         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
7842         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
7843         instead of TREE_CODE_LENGTH.
7844         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
7845         (c_warn_unused_result): Likewise.
7846
7847 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7848
7849         PR c/26494
7850         * doc/invoke.texi (Warning Options): Remove
7851         -Werror-implicit-function-declaration.
7852         (Wimplicit-function-declaration): Update description.
7853         * opts.c (common_handle_option): Move handling of -Werror=* to...
7854         (enable_warning_as_error): ...here.
7855         * opts.h (enable_warning_as_error): Declare.
7856         * c-decl.c (implicit_decl_warning): Unless
7857         -Wno-implicit-function-declaration is given, emit a pedwarn if
7858         -std=c99 or emit a warning if -Wimplicit-function-declaration.
7859         * c.opt (Wimplicit-function-declaration): Replace
7860         mesg_implicit_function_declaration with
7861         warn_implicit_function_declaration.
7862         * c-opts.c (c_common_handle_option):
7863         -Werror-implicit-function-declaration is exactly equal as
7864         -Werror=implicit-function-declaration.
7865         (set_Wimplicit): Replace mesg_implicit_function_declaration with
7866         warn_implicit_function_declaration.
7867         (c_common_post_options): -Wimplict-function-declaration is enabled
7868         by default by -std=c99, otherwise is disabled by default.
7869         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
7870
7871 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7872
7873         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
7874         DECL on the rhs to a DECL on the lhs for debug info purposes if the
7875         former is ignored but not the latter.
7876
7877 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
7878
7879         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
7880         is made and the reference doesn't use the alias set of its type,
7881         do not create the temporary using that type.
7882
7883 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
7884
7885         * jump.c: Remove prototypes for delete_computation and
7886         delete_prior_computation.
7887
7888 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
7889
7890         * jump.c (get_label_after): Delete.
7891         (get_label_before, delete_computation, delete_jump,
7892         delete_prior_computation, follow_jumps): Move...
7893         * reorg.c (delete_computation, delete_prior_computation): ... here...
7894         (get_label_before, delete_jump): ... making these static ...
7895         (follow_jumps): ... and simplifying this since it only runs after
7896         reload.
7897         * rtl.h (get_label_after, get_label_before, delete_jump,
7898         follow_jumps): Delete prototypes.
7899
7900 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
7901
7902         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
7903
7904 2007-02-15  Nick Clifton  <nickc@redhat.com>
7905
7906         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
7907         order to prevent it from being munged by the target.
7908
7909 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
7910
7911         * config/i386/i386.md: Remove misleading comment.
7912
7913 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7914
7915         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
7916         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
7917         invalid patterns.
7918
7919 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7920
7921         * tree-sra.c (instantiate_missing_elements): Canonicalize
7922         bit-field types.
7923         (sra_build_assignment): New.
7924         (generate_copy_inout, generate_element_copy,
7925         generate_element_zero, generate_one_element_init): Use it.
7926
7927 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7928
7929         * tree-sra.c (instantiate_missing_elements): Canonicalize
7930         bit-field types.
7931         (sra_build_assignment): New.
7932         (generate_copy_inout, generate_element_copy,
7933         generate_element_zero, generate_one_element_init): Use it.
7934
7935 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
7936
7937         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
7938         limbo die nodes.
7939
7940 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
7941
7942         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
7943         types as aggregates not scalars.
7944         * function.c (assign_stack_temp_for_type): Likewise.
7945
7946 2007-02-14  Roger Sayle  <roger@eyesopen.com>
7947             Zdenek Dvorak  <dvorakz@suse.cz>
7948
7949         * tree-dump.c (dump_switch_p_1): Require exact match of the option
7950         name.
7951
7952 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
7953
7954         * passes.c (next_pass_1): Clear the next field of the copied
7955         pass structure.
7956
7957 2007-02-14  Richard Henderson  <rth@redhat.com>
7958
7959         * tree-sra.c (early_sra): New.
7960         (decl_can_be_decomposed_p): Deny va_list if early_sra.
7961         (tree_sra_early, pass_sra_early): New.
7962         * tree-pass.h (pass_sra_early): Declare.
7963         * passes.c (init_optimization_passes): Use it.
7964
7965 2007-02-14  Richard Guenther  <rguenther@suse.de>
7966
7967         * flags.h (issue_strict_overflow_warning): Convert to a macro.
7968
7969 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
7970
7971          PR tree-optimization/30771
7972         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
7973         also phi nodes.
7974         (vect_analyze_operations): Induction phis can now be marked as
7975         used_in_loop.
7976         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
7977         Update documentation accordingly.
7978
7979 2007-02-14  Nick Clifton  <nickc@redhat.com>
7980
7981         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
7982         most 3 arguments are supported.
7983         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
7984
7985 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
7986
7987         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
7988         Ensure dst->current is valid.
7989
7990 2007-02-13  Paul Brook  <paul@codesourcery.com>
7991
7992         * config.gcc: Add arm*-*-uclinux-*eabi.
7993         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
7994         (SUBTARGET_EXTRA_LINK_SPEC): Define.
7995         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
7996         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
7997         (LINK_SPEC): Define.
7998         (LIB_SPEC): Define.
7999         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
8000         register.
8001         * config/arm/uclinux-eabi.h: New file.
8002         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
8003         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
8004         based targets.
8005
8006 2007-02-13  Ian Lance Taylor  <iant@google.com>
8007
8008         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
8009         * flags.h (warn_strict_overflow): Declare.
8010         (enum warn_strict_overflow_code): Define.
8011         (issue_strict_overflow_warning): New static inline function.
8012         * opts.c (warn_strict_overflow): New variable.
8013         (common_handle_option): Handle OPT_Wstrict_overflow and
8014         OPT_Wstrict_overflow_.
8015         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
8016         OPT_Wall.
8017         * fold-const.c: Include intl.h.
8018         (fold_deferring_overflow_warnings): New static variable.
8019         (fold_deferred_overflow_warning): New static variable.
8020         (fold_deferred_overflow_code): New static variable.
8021         (fold_defer_overflow_warnings): New function.
8022         (fold_undefer_overflow_warnings): New function.
8023         (fold_undefer_and_ignore_overflow_warnings): New function.
8024         (fold_deferring_overflow_warnings_p): New function.
8025         (fold_overflow_warning): New static function.
8026         (make_range): Add strict_overflow_p parameter.  Change all
8027         callers.
8028         (extract_muldiv, extract_muldiv_1): Likewise.
8029         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
8030         tree_expr_nonnegative_p.
8031         (fold_negate_expr): Call fold_overflow_warning.
8032         (fold_range_test): Likewise.
8033         (fold_comparison): Likewise.
8034         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
8035         instead of tree_expr_nonnegative_p.
8036         (tree_expr_nonnegative_warnv_p): Rename from
8037         tree_expr_nonnegative_p, add strict_overflow_p parameter.
8038         (tree_expr_nonnegative_p): New function.
8039         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
8040         strict_overflow_p parameter.
8041         (tree_expr_nonzero_p): New function.
8042         * passes.c (verify_interpass_invariants): New static function.
8043         (execute_one_pass): Call it.
8044         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
8045         warnings.
8046         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
8047         (estimate_numbers_of_iterations): Likewise.
8048         (scev_probably_wraps_p): Likewise.
8049         * tree-ssa-ccp.c: Include "toplev.h".
8050         (evaluate_stmt): Defer fold overflow warnings until we know we are
8051         going to optimize.
8052         (struct fold_stmt_r_data): Add stmt field.
8053         (fold_stmt_r): Defer fold overflow warnings until we know we
8054         optimized.
8055         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
8056         (fold_stmt_inplace): Likewise.
8057         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
8058         (cleanup_control_expr_graph): Defer fold overflow warnings until
8059         we know we are going to optimize.
8060         * tree-cfg.c (fold_cond_expr_cond): Likewise.
8061         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
8062         Likewise.
8063         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
8064         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
8065         * tree-ssa-loop-manip.c (create_iv): Likewise.
8066         * c-typeck.c (build_conditional_expr): Likewise.
8067         (build_binary_op): Likewise.
8068         * tree-vrp.c (vrp_expr_computes_nonzero): Call
8069         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
8070         (extract_range_from_unary_expr): Likewise.
8071         * simplify-rtx.c (simplify_const_relational_operation): Warn when
8072         assuming that signed overflow does not occur.
8073         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
8074         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
8075         (fold_defer_overflow_warnings): Declare.
8076         (fold_undefer_overflow_warnings): Declare.
8077         (fold_undefer_and_ignore_overflow_warnings): Declare.
8078         (fold_deferring_overflow_warnings_p): Declare.
8079         (tree_expr_nonzero_warnv_p): Declare.
8080         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
8081         of warning options.
8082         (Warning Options): Document -Wstrict-overflow.
8083         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
8084         (tree-ssa-ccp.o): Likewise.
8085         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
8086         (fold-const.o): Depend on intl.h.
8087
8088 2007-02-13  Ian Lance Taylor  <iant@google.com>
8089
8090         PR middle-end/30751
8091         * lower-subreg.c (resolve_simple_move): Decompose subregs in
8092         addresses.
8093
8094 2007-02-13  Stuart Hastings  <stuart@apple.com>
8095
8096         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
8097
8098 2007-02-13  Richard Henderson  <rth@redhat.com>
8099
8100         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
8101         handled_component_p before looking for the indirect_ref.
8102
8103 2007-02-13  Richard Henderson  <rth@redhat.com>
8104
8105         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
8106         remove flags clobber.
8107         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
8108         (bswaphi_lowpart): New.
8109         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
8110         remove TARGET_BSWAP test.  Delete expander of the same name.
8111
8112         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
8113         (expand_unop): Use them.
8114
8115 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
8116
8117         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
8118         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
8119         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
8120         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
8121         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
8122         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
8123         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
8124         assembler dialect choice from asm templates.
8125
8126 2007-02-12  Richard Henderson  <rth@redhat.com>
8127
8128         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
8129         (fixuns_trunc<SSEMODEF>si2): Use it.
8130         * config/i386/sse.md (vec_setv4sf_0): Export.
8131         * config/i386/i386.c (ix86_build_const_vector): Export.
8132         (ix86_split_convert_uns_si_sse): Rename from
8133         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
8134         * config/i386/i386-protos.h: Update.
8135
8136 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8137
8138         PR c/29521
8139         * c-typeck.c (c_finish_return): Improve warning message.
8140
8141 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8142
8143         * alias.c (find_symbolic_term): Delete unused function.
8144
8145 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
8146
8147         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
8148         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
8149         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
8150
8151 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
8152
8153         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
8154         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
8155         the function, temporarily point the debug interface to the null one.
8156
8157 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
8158
8159         * dwarf2out.c (round_up_to_align): New static function.
8160         (field_byte_offset): Use it to round the offset.
8161
8162 2007-02-12  Richard Henderson  <rth@redhat.com>
8163
8164         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
8165         (inswl_const): Export.
8166
8167 2007-02-12  Richard Henderson  <rth@redhat.com>
8168
8169         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
8170         result mode of the libcall, convert back to outmode.
8171
8172 2007-02-12  Roger Sayle  <roger@eyesopen.com>
8173
8174         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
8175         (bswapdi2): New define_expand to implement 32-bit implementation.
8176
8177 2007-02-12  Nick Clifton  <nickc@redhat.com>
8178
8179         * doc/invoke.texi (Overall Options): Document --help=.
8180         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
8181         (cc1_options): Pass --help= on to cc1.
8182         (display_help): Add description of --help=.
8183         (process_command): Add code to handle --help=.  Allow translated
8184         --help and --target-help switches to be passed on to compiler
8185         sub-process.
8186         (main): Remove unused if statement.
8187         * opts.c (columns): Remove.
8188         (LEFT_COLUMN): Define.
8189         (wrap_help): Add columns argument.
8190         (print_filtered_help): Change parameters to be an include bitmask,
8191         an exclude bitmask, an any bitmask and the column width.  Move the
8192         code to display the params list here.  Add code to display the
8193         status of options rather than their descriptions if the quiet flag
8194         is not active.
8195         (print_specific_help): Change parameters to be an include bitmask,
8196         an exclude bitmask and an any bitmask.  Move code to look up the
8197         column width here.  Decide upon the title for an options listing.
8198         (common_handle_options): Add code to handle --help=.  Adapt code
8199         for --help and --target-help to use the revised form of the
8200         print_specific_help function.
8201         (print_help): Delete.
8202         (print_param_help): Delete.
8203         (print_switch): Delete.
8204         * opts.h (cl_lang_count): Add prototype.
8205         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
8206         CL_MAX_OPTION_CLASS): New defines.
8207         * optc-gen.awk: Add construction of cl_lang_count.
8208         * c.opt: Add Warning attribute to warning options and Optimization
8209         attribute to optimization options.
8210         * common.opt: Likewise.
8211         Add --help=.
8212         Add -fhelp and -ftarget-help as aliases for the transformed --help
8213         and --target-help options.
8214         * opt-functions.awk: Add code to handle Warning and Optimization
8215         attributes.
8216
8217 2007-02-12  Richard Henderson  <rth@redhat.com>
8218
8219         * config/alpha/constraints.md: New file.
8220         * config/alpha/alpha.c: Include tm-constrs.h.
8221         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
8222         alpha_extra_constraint): Remove.
8223         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
8224         * config/alpha/alpha-protos.h: Update.
8225         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
8226         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
8227         (EXTRA_CONSTRAINT): Remove.
8228         * config/alpha/alpha.md: Include constraints.md.
8229         (adddi splitter): Use satisfies_constraint_*.
8230         * config/alpha/predicates.md (add_operand): Likewise.
8231         (sext_add_operand, addition_operation): Likewise.
8232
8233 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
8234
8235         PR tree-optimization/29145
8236         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
8237         in our handling of restrict qualified pointers.
8238
8239 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8240
8241         PR middle-end/7651
8242         * doc/invoke.texi (Wunused-value): Update description.
8243         (Wextra): Delete item.
8244         * opts.c (set_Wextra): Don't use the value of Wextra to set the
8245         value of Wunused-value.
8246         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
8247         (c_finish_stmt_expr): Don't check extra_warnings.
8248         (emit_side_effect_warnings): The caller is responsible to check
8249         warn_unused_value.
8250
8251 2007-02-11  Roger Sayle  <roger@eyesopen.com>
8252             Matt Thomas  <matt@3am-software.com>
8253
8254         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
8255
8256 2007-02-11  Roger Sayle  <roger@eyesopen.com>
8257
8258         * simplify-rtx.c (simplify_relational_operation_1): Optimize
8259         comparisons of POPCOUNT against zero.
8260         (simplify_const_relational_operation): Likewise.
8261
8262 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8263
8264         * doc/invoke.texi (Wextra): Delete outdated paragraph.
8265
8266 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8267
8268         * dwarf2out.c (root_type): Delete unused function.
8269
8270 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8271
8272         * genattrtab.c (contained_in_p): Delete unused function.
8273         (write_expr_attr_cache): Likewise.
8274
8275 2007-02-11  Jan Hubicka  <jh@suse.cz>
8276
8277         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
8278         previous patch.
8279
8280 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
8281
8282         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
8283         to add the REG_EQ* note.
8284         * see.c (see_merge_one_use_extension): Likewise.
8285         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
8286         turn REG_EQUAL notes into REG_EQUIV notes if the target
8287         register may have more than one set.
8288         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
8289         * gcse.c (try_replace_reg): Likewise.
8290         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
8291         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
8292         more than one REG_EQUIV note.
8293         * reload1.c (gen_reload): Use set_unique_reg_note.
8294
8295 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
8296
8297         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
8298         (ix86_builtin_conversion): New function.
8299
8300 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
8301
8302         PR target/29487
8303         * tree.h (DECL_REPLACEABLE_P): New macro.
8304         * except.c (set_nothrow_function_flags): Likewise.
8305
8306 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
8307             Ira Rosen  <irar@il.ibm.com>
8308             Dorit Nuzman  <dorit@il.ibm.com>
8309
8310         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
8311         * targhooks.c (default_builtin_vectorized_conversion): New.
8312         * targhooks.h (default_builtin_vectorized_function): New declaration.
8313         * target.h (struct vectorize): Add builtin_conversion field.
8314         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
8315         stmt_vec_info_type value.
8316         (vectorizable_conversion): New declaration.
8317         * tree-vect-analyze.c (vect_analyze_operations): Add
8318         vectorizable_conversion call.
8319         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
8320         * tree-vect-transform.c (vectorizable_conversion): New function.
8321         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
8322         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
8323         mode.
8324         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
8325         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
8326         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
8327         or ALTIVEC_BUILTIN_VCFSX.
8328
8329 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8330
8331         PR target/30634
8332         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
8333         CONST_DOUBLE and operand 0 is a hard register.
8334         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
8335         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
8336         is a hard floating-point register.
8337
8338 2007-02-10  Richard Henderson  <rth@redhat.com>
8339             Jakub Jelinek  <jakub@redhat.com>
8340             Alexandre Oliva  <aoliva@redhat.com>
8341
8342         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
8343         * builtin-types.def (BT_WORD): Make unsigned.
8344         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
8345         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
8346         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
8347         * c-decl.c (grokdeclarator): Don't error if !have_tls.
8348         * c-parser.c (c_parser_omp_threadprivate): Likewise.
8349         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
8350         emulated tls.
8351         * expr.c (emutls_var_address): New.
8352         (expand_expr_real_1): Expand emulated tls.
8353         (expand_expr_addr_expr_1): Likewise.
8354         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
8355         * output.h (emutls_finish): Declare.
8356         * toplev.c (compile_file): Call it.
8357         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
8358         address before wrapping in CONST.
8359         * varasm.c (emutls_htab, emutls_object_type): New.
8360         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
8361         (get_emutls_object_name, get_emutls_object_type): New.
8362         (get_emutls_init_templ_addr, emutls_decl): New.
8363         (emutls_common_1, emutls_finish): New.
8364         (assemble_variable): When emulating tls, swap decls; generate
8365         constructor for the emutls objects.
8366         (do_assemble_alias): When emulating tls, swap decl and target name.
8367         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
8368         for emulated tls.
8369         * varpool.c (decide_is_variable_needed): Look at force_output.
8370         Recurse for emulated tls.
8371         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
8372         with decide_is_variable_needed.
8373         * emutls.c: New file.
8374         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
8375         tls_object for real tls.
8376
8377 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
8378
8379         PR rtl-optimization/29599
8380         * reload1.c (eliminate_regs_in_insn): Take the destination
8381         mode into account when computing the offset.
8382
8383 2007-02-09  Stuart Hastings  <stuart@apple.com>
8384             Richard Henderson  <rth@redhat.com>
8385
8386         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
8387         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
8388         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
8389         fixuns_truncdfhi2): New.
8390         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
8391         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
8392         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
8393         (floatunssidf2): Allow nonimmediate source.
8394         * config/i386/sse.md (movdi_to_sse): New.
8395         (vec_concatv2di): Drop '*'.
8396         * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
8397         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
8398         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
8399         New.
8400         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
8401         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
8402         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
8403         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
8404         (ix86_build_signbit_mask): Fix decl of v, refactor to call
8405         ix86_build_const_vector.
8406         (x86_emit_floatuns): Rewrite.
8407
8408 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8409
8410         * genautomata.c (longest_path_length): Delete unused function.
8411         (struct state): Delete unused longest_path_length.
8412         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
8413         (get_free_state): Delete unused.
8414
8415 2007-02-09  Jan Hubicka  <jh@suse.cz>
8416
8417         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
8418         * doc/invoke.texi (inline-unit-growth): Update default value.
8419
8420         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
8421         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
8422         (rebuild_cgraph_edges): Likewise.
8423         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
8424         (dump_cgraph_node): Dump frequencies.
8425         (cgraph_clone_edge): Add frequency scales.
8426         (cgraph_clone_node): Add freuqnecy.
8427         * cgraph.h (cgraph_edge): Add freuqnecy argument.
8428         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
8429         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
8430         * tree-pass.h (TODO_rebuild_frequencies): New constant.
8431         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
8432         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
8433         (save_inline_function_body): Likewise.
8434         * ipa-inline.c: inluce rtl.h
8435         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
8436         (cgraph_edge_badness): Use frequencies.
8437         (cgraph_decide_recursive_inlining): Update clonning.
8438         (cgraph_decide_inlining_of_small_function): Dump frequency.
8439         * predict.c (estimate_bb_frequencies): Export.
8440         * predict.h (estimate_bb_frequencies): Declare.
8441         * tree-inline.c (copy_bb): Watch overflows.
8442         (expand_call_inline): Update call of cgraph_create_edge.
8443         (optimize_inline_calls): Use TODO flags to update frequnecies.
8444         * passes.h: Include predict.h
8445         (init_optimization_passes): Move profile ahead.
8446         (execute_function_todo): Handle TODO_rebuild_frequencies.
8447
8448 2007-02-09  Roger Sayle  <roger@eyesopen.com>
8449
8450         * config/alpha/alpha.c (emit_insxl): Force the first operand of
8451         the insbl or inswl pattern into a register.
8452
8453 2007-02-09  Roger Sayle  <roger@eyesopen.com>
8454
8455         * config/ia64/ia64.md (bswapdi2): New define_insn.
8456
8457 2007-02-09  Richard Henderson  <rth@redhat.com>
8458
8459         * config/i386/constraints.md (Ym): New constraint.
8460         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
8461         (movdi_1_rex64): Split sse and xmm general register moves from
8462         memory move alternatives.  Use conditional register constraints.
8463         (movsf_1, movdf_integer): Likewise.
8464         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
8465         (movdf_integer_rex64): New.
8466         (pushsf_rex64): Fix output constraints.
8467         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
8468         (sse2_stored): Likewise.
8469         (sse2_storeq_rex64): New.
8470         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
8471         amd and not generic.
8472         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
8473         for optimize_size.  Remove SF/DFmode hack.
8474
8475 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
8476
8477         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
8478         (bit_SSE4a): New.
8479
8480 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
8481             Richard Sandiford  <richard@codesourcery.com>
8482
8483         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
8484         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
8485         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
8486         m68k/t-mlib to tmake_file.
8487         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
8488         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
8489         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
8490         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
8491         variable is not empty, add t-$m68k_arch_family to tmake_file.
8492         Add t-mlibs to tmake_file.
8493         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
8494         * config/m68k/t-cf: New file.
8495         * config/m68k/t-m68k: Likewise.
8496         * config/m68k/t-mlibs: Likewise.
8497         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8498         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8499         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
8500         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8501         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
8502         Delete.
8503         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
8504         (INSTALL_LIBGCC): Delete.
8505         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
8506         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8507         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8508         (M68K_MLIB_CPU): Define.
8509         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8510         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8511         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
8512
8513 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
8514             Richard Guenther  <rguenther@suse.de>
8515
8516         PR middle-end/23361
8517         * fold-const.c (fold_comparison): Handle obfuscated comparisons
8518         against INT_MIN/INT_MAX.
8519         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
8520         file if a loop is removed.
8521
8522 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
8523
8524         * calls.c (store_one_arg): Pass correct alignment to
8525         emit_push_insn for non-BLKmode values.
8526         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
8527         unaligned stack slot via a suitably aligned slot.
8528
8529 2007-02-08  DJ Delorie  <dj@redhat.com>
8530
8531         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
8532         warnings.
8533         (legal_subregs): Use unsigned char, make const.
8534         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
8535
8536 2007-02-08  Paul Brook  <paul@codesourcery.com>
8537
8538         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
8539         special interworking needed.
8540
8541 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
8542
8543         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
8544         conditional to __SSE2__.
8545         (Entries below should have been added to first ChangeLog
8546         entry for amdfam10 dated 2007-02-05)
8547         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
8548         defined.
8549         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
8550         defined.
8551         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
8552         defined.
8553
8554 2007-02-08  DJ Delorie  <dj@redhat.com>
8555
8556         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
8557         * config/m32c/m32c.c (legal_subregs): New.
8558         (m32c_illegal_subreg_p): New.
8559         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
8560         unsupported subregs of hard regs.
8561
8562 2007-02-08  Jan Hubicka  <jh@suse.cz>
8563
8564         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
8565         the same one; always update histograms.
8566
8567 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
8568
8569         * passes.c (init_optimization_passes): Tidy comment.
8570
8571 2007-02-08  Roger Sayle  <roger@eyesopen.com>
8572
8573         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
8574         strip zero_extend, bswap and rotates from POCOUNT's argument.
8575         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
8576         zero_extend and rotates from PARITY's argument.
8577         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
8578         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
8579         of an integer constant at compile-time.
8580
8581 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
8582
8583         PR 30562
8584         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
8585         Update all users.
8586         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
8587         users.
8588         (init_alias_info):
8589         * tree-ssa-live.c (remove_unused_locals): Do not remove
8590         TREE_ADDRESSABLE variables.
8591         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
8592         * tree-ssa-operands.c (add_virtual_operand): Remove argument
8593         FOR_CLOBBER.  Update all users.
8594         If VAR has an associated alias set, add a virtual operand for
8595         it if no alias is found to conflict with the memory reference.
8596
8597 2007-02-07  Jan Hubicka  <jh@suse.cz>
8598             Robert Kidd <rkidd@crhc.uiuc.edu>
8599
8600         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
8601
8602 2007-02-07  Ian Lance Taylor  <iant@google.com>
8603
8604         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
8605
8606 2007-02-07  Roger Sayle  <roger@eyesopen.com>
8607
8608         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
8609         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
8610         tablejumpdi, movsi_to_cr_one): Remove constraints from
8611         define_expand's match_operands.
8612
8613 2007-02-07  Roger Sayle  <roger@eyesopen.com>
8614
8615         * global.c (compute_regsets): Move declatation of "i" inside of
8616         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
8617
8618 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
8619
8620         PR c++/30703
8621         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
8622         of INDIRECT_REF <RESULT_DECL>.
8623
8624         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
8625
8626 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
8627             Kaz Kojima  <kkojima@gcc.gnu.org>
8628
8629         PR target/29746
8630         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
8631         properly.
8632         (sh_initialize_trampoline): Add parentheses to avoid a warning.
8633
8634 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
8635
8636         * doc/loop.texi: Document possibility not to perform disambiguation
8637         of loops with multiple latches.
8638         * cfgloopmanip.c (alp_enum_p): Removed.
8639         (add_loop): Handle subloops.  Use get_loop_body_with_size.
8640         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
8641         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
8642         the new forwarder block.
8643         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
8644         Handle the case latch is NULL.
8645         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
8646         when marking loop exits.
8647         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
8648         be modified.
8649         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
8650         disambiguate_loops_with_multiple_latches.
8651         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
8652         before fix_loop_structure.
8653         * cfgloop.c: Include pointer-set.h and output.h.
8654         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
8655         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
8656         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
8657         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
8658         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
8659         disambiguate_multiple_latches, get_loop_body_with_size,
8660         disambiguate_loops_with_multiple_latches): New functions.
8661         (flow_loop_dump): Dump multiple latch edges.
8662         (flow_loop_nodes_find): Handle loops with multiple latches.
8663         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
8664         (glb_enum_p): Modified.
8665         (get_loop_body): Use get_loop_body_with_size.
8666         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
8667         (AVOID_CFG_MODIFICATIONS): New constant.
8668         (disambiguate_loops_with_multiple_latches, add_loop,
8669         get_loop_body_with_size): Declare.
8670         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
8671
8672 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
8673
8674         PR inline-asm/28686
8675         * global.c (compute_regsets): New function.
8676         (global_alloc): Refactored ELIMINABLE_REGSET
8677         and NO_GLOBAL_ALLOC_REGS computation out.
8678         (rest_of_handle_global_alloc): Call compute_regsets()
8679         for non-optimizing case.
8680
8681 2007-02-06  Richard Henderson  <rth@redhat.com>
8682
8683         * config/i386/constraints.md (Y2): Rename from Y.
8684         (Yi): New constraint.
8685         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
8686         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
8687         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
8688         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
8689         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
8690         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
8691         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
8692         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
8693         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
8694         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
8695         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
8696         vec_extractv2si_1): Change Y constraints to Y2.
8697         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
8698         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
8699         Change Y constraints to Y2.
8700         (sse2_loadld): Change Y constraints to x.
8701
8702 2007-02-06  Roger Sayle  <roger@eyesopen.com>
8703
8704         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
8705         (parity<mode>2): New define_expand using rs6000_emit_parity.
8706         * config/rs6000/rs6000.c (rs6000_emit_popcount,
8707         rs6000_emit_parity): New functions.
8708         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
8709         rs6000_emit_parity): Prototype here.
8710
8711 2007-02-06  Ian Lance Taylor  <iant@google.com>
8712
8713         * lower-subreg.c (simple_move_operand): Reject CONST.
8714         (resolve_clobber): Call validate_change rather than directly
8715         assigning to XEXP (pat, 0).
8716
8717 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
8718
8719         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
8720         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
8721         (tree-cfg.o): Remove hashtab.h dependency.
8722
8723         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
8724         (struct ivopts_data): Change niters to pointer_map_t.
8725         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
8726         (niter_for_exit): Create pointer_map on demand.  Change for
8727         pointer_map API.
8728         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
8729         (free_loop_data): Destroy data->niters if created and reset field.
8730         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
8731         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
8732
8733         * tree-ssa-reassoc.c: Include pointer-set.h.
8734         (bb_rank): Change to long *.
8735         (operand_rank): Change to pointer_map_t.
8736         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
8737         (insert_operand_rank): Accept long.
8738         (operand_entry_hash, operand_entry_eq): Remove.
8739         (get_rank): Return long.  Adjust for changes above.
8740         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
8741         and operand_rank.
8742         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
8743
8744         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
8745         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
8746         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
8747         is not NULL.
8748         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
8749         directly since it cannot be NULL.
8750         (get_vi_for_tree): Rewrite for pointer_map API.
8751         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
8752         (init_alias_vars): Create vi_for_tree as pointer_map.
8753         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
8754
8755         * tree-cfg.c: Don't include hashtab.h.
8756         (edge_to_cases): Declare as pointer_map.
8757         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
8758         Delete.
8759         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
8760         (start_recording_case_labels): Create edge_to_cases as pointer_map.
8761         (end_recoding_case_labels): Cleanup edge_to_cases manually before
8762         destroying it.
8763         (record_switch_edge): Delete.
8764         (get_cases_for_edge): Adjust for pointer_map API, inline
8765         record_switch_edge (rewritten for new API), remove goto.
8766
8767 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
8768
8769         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
8770         * tree-nested.c: Include pointer-set.h.
8771         (var_map_elt, var_map_eq, var_map_hash): Delete.
8772         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
8773         to pointer_map_t's.
8774         (nesting_info_bitmap_obstack): New.
8775         (lookup_field_for_decl): Adjust for pointer_map API.
8776         (lookup_tramp_for_decl): Adjust for pointer_map API.
8777         (get_nonlocal_debug_decl): Adjust for pointer_map API.
8778         (get_local_debug_decl): Adjust for pointer_map API.
8779         (convert_nl_goto_reference): Adjust for pointer_map API.
8780         (convert_nl_goto_receiver): Adjust for pointer_map API.
8781         (create_nesting_tree): Create outside GGC space.  Create bitmap on
8782         the new obstack.  Create field_map and var_map as pointer_maps.
8783         (free_nesting_tree): Adjust for changes to create_nesting_tree.
8784         (root): Delete.
8785         (lower_nested_functions): Move root here, no need to NULL it.
8786         Initialize and release the obstack.
8787
8788 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
8789
8790         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
8791         Remove prototypes and make them non-static.
8792         (struct tree_int_map): Remove.
8793         * tree.h (struct tree_int_map): Move here, turning TO into an
8794         unsigned int.
8795         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
8796
8797         * tree.h (TREE_COMPLEXITY): Remove.
8798         (struct tree_exp): Remove complexity field.
8799         * tree.c (build1_stat): Don't set it.
8800
8801 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
8802             Victor Kaplansky  <victork@il.ibm.com>
8803
8804         * tree-vectorizer.c (vect_is_simple_use): Support induction.
8805         (vect_is_simple_reduction): Support reduction with induction as
8806         one of the operands.
8807         (vect_is_simple_iv_evolution): Fix formatting.
8808         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
8809         formatting.  Don't mark induction phis for vectorization.
8810         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
8811         * tree-vect-transform.c (get_initial_def_for_induction): New function.
8812         (vect_get_vec_def_for_operand): Support induction.
8813         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
8814         induction case.
8815         (vectorizable_reduction): Support reduction with induction as one of
8816         the operands.
8817         (vectorizable_type_demotion): Use def-type of stmt argument rather
8818         than dummy def-type.
8819
8820         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
8821         flag_tree_scev_cprop.
8822         * common.opt (tree-scev-cprop): New flag.
8823
8824         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
8825         call to vect_get_new_vect_var.
8826
8827 2007-02-06  Ira Rosen  <irar@il.ibm.com>
8828
8829         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
8830         vectype is not NULL.
8831         (vect_pattern_recog_1): Likewise.
8832
8833 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8834
8835         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
8836         (fold_negate_expr): Likewise.
8837
8838 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
8839
8840         PR debug/30189
8841         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
8842         even if cv-qualification is the same.
8843
8844 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
8845
8846         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
8847         __enable_execute_stack on completion.
8848
8849 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8850
8851         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
8852         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
8853         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
8854         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
8855         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
8856         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
8857         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
8858         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
8859
8860 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8861
8862         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
8863         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
8864         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
8865         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
8866         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
8867         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
8868         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
8869         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
8870         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
8871         umuldi3_highpart_rex64, umulsi3_highpart_insn,
8872         umulsi3_highpart_zext, smuldi3_highpart_rex64,
8873         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
8874         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
8875         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
8876         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
8877         sqrtextenddfxf2_i387): Added amdfam10_decode.
8878
8879         * config/i386/athlon.md (athlon_idirect_amdfam10,
8880         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
8881         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
8882         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
8883         athlon_ivector_store_amdfam10): New define_insn_reservation.
8884         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
8885         amdfam10.
8886
8887 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8888
8889         * config/i386/athlon.md (athlon_call_amdfam10,
8890         athlon_pop_amdfam10, athlon_lea_amdfam10): New
8891         define_insn_reservation.
8892         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
8893         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
8894         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
8895
8896 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8897
8898         * config/i386/athlon.md (athlon_sseld_amdfam10,
8899         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
8900         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
8901
8902 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8903
8904         * config/i386/athlon.md (athlon_sseins_amdfam10): New
8905         define_insn_reservation.
8906         * config/i386/i386.md (sseins): Added sseins to define_attr type
8907         and define_attr unit.
8908         * config/i386/sse.md: Set type attribute to sseins for insertq
8909         and insertqi.
8910
8911 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8912
8913         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
8914         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
8915         ssecomi_load_amdfam10, ssecomi_amdfam10,
8916         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
8917         define_insn_reservation.
8918         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
8919
8920 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8921
8922         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
8923         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
8924         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
8925         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
8926         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
8927         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
8928         define_insn_reservation.
8929
8930         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
8931         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
8932         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
8933         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
8934         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
8935
8936 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8937
8938         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
8939         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
8940         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
8941         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
8942         athlon_ssemul_load_k8): Added amdfam10.
8943
8944 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8945
8946         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
8947         (x86_sse_unaligned_move_optimal): New variable.
8948
8949         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
8950         m_AMDFAM10.
8951         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
8952         for unaligned vector SSE double/single precision loads for AMDFAM10.
8953
8954 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8955
8956         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
8957         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
8958         Define TARGET_CPU_DEFAULT_amdfam10.
8959         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
8960         (processor_type): Add PROCESSOR_AMDFAM10.
8961
8962         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
8963         processor_type in config/i386/i386.h.
8964         Enable imul peepholes for TARGET_AMDFAM10.
8965
8966         * config.gcc: Add support for --with-cpu option for amdfam10.
8967
8968         * config/i386/i386.c (amdfam10_cost): New variable.
8969         (m_AMDFAM10): New macro.
8970         (m_ATHLON_K8_AMDFAM10): New macro.
8971         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
8972         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
8973         x86_promote_QImode, x86_integer_DFmode_moves,
8974         x86_partial_reg_dependency, x86_memory_mismatch_stall,
8975         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
8976         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
8977         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
8978         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
8979         Enable/disable for amdfam10.
8980         (override_options): Add amdfam10_cost to processor_target_table.
8981         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
8982         processor_alias_table.
8983         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
8984         (ix86_adjust_cost): Add code for amdfam10.
8985
8986 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
8987
8988         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
8989         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
8990         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
8991         * config/i386/i386.h: Add builtin definition for SSE4A.
8992         * config/i386/i386.md: Add support for ABM instructions
8993         (popcnt and lzcnt).
8994         * config/i386/sse.md: Add support for SSE4A instructions
8995         (movntss, movntsd, extrq, insertq).
8996         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
8997         Add -march=amdfam10 flag.
8998         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
8999         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
9000         and amdfam10.
9001         * doc/extend.texi: Add documentation for SSE4A builtins.
9002
9003 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
9004
9005         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
9006
9007 2007-02-05  Richard Guenther  <rguenther@suse.de>
9008
9009         * tree-vectorizer.h (vectorizable_function): Add argument type
9010         argument, change return type.
9011         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
9012         * tree-vect-transform.c (vectorizable_function): Handle extra
9013         argument, return vectorized function decl.
9014         (build_vectorized_function_call): Remove.
9015         (vectorizable_call): Handle calls with result and argument types
9016         differing.  Handle loop vectorization factor correctly.
9017         * targhooks.c (default_builtin_vectorized_function): Adjust for
9018         extra argument.
9019         * targhooks.h (default_builtin_vectorized_function): Likewise.
9020         * target.h (builtin_vectorized_function): Add argument type
9021         argument.
9022         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
9023         extra argument, allow vectorizing of lrintf.
9024         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
9025         documentation of target hook.
9026
9027 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
9028
9029         PR target/30665
9030         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
9031         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
9032         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
9033
9034 2007-02-05  Roger Sayle  <roger@eyesopen.com>
9035
9036         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
9037         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
9038         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
9039         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
9040         before canonicalizing sincos to cexpi.
9041         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
9042
9043 2007-02-05  Roger Sayle  <roger@eyesopen.com>
9044
9045         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
9046         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
9047         (alpha_init_builtins): Use alpha_add_builtins to process tables.
9048
9049 2007-02-05  Roger Sayle  <roger@eyesopen.com>
9050
9051         * mips-tfile.c (initialize_init_file): Correct endianness test.
9052
9053 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
9054
9055         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
9056         the 'y' constraint.
9057
9058 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
9059
9060         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
9061         saves in a PARALLEL before the register assignments.
9062
9063 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
9064
9065         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
9066         DWARF_FRAME_RETURN_COLUMN to be a general register.
9067         * dwarf2out.c (init_return_column_size): New function, split from...
9068         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
9069         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
9070         to be nongeneral registers.
9071         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
9072         integer registers.
9073         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
9074         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
9075
9076 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
9077
9078         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
9079
9080 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
9081
9082         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
9083         (remove_path): Use can_remove_branch_p and remove_branch instead
9084         of loop_delete_branch_edge.
9085         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
9086         (tree_transform_and_unroll_loop): Remove dead branches immediately.
9087         Update profile using scale_dominated_blocks_in_loop.
9088         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
9089         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
9090         (can_remove_branch_p, remove_branch): Declare.
9091         * tree-cfg.c (tree_can_remove_branch_p): New function.
9092         (tree_cfg_hooks): Add tree_can_remove_branch_p.
9093         * cfgrtl.c (rtl_can_remove_branch_p): New function.
9094         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
9095
9096 2007-02-05  Jan Hubicka  <jh@suse.cz>
9097
9098         PR middle-end/30696
9099         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
9100         nodes in cgraph, don't remove offline copy of the function.
9101
9102 2007-02-04  Jan Hubicka  <jh@suse.cz>
9103
9104         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
9105         vectors might cause maybe_lookup_element_for_expr to be called
9106         on non-sra-candidate.
9107
9108 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
9109
9110         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
9111         config/bfin/bfin.md, config/bfin/predicates.md: Follow
9112         spelling conventions.
9113
9114 2007-02-04  Richard Guenther  <rguenther@suse.de>
9115
9116         PR middle-end/30636
9117         * fold-const.c (try_move_mult_to_index): Make sure to not
9118         overflow one dimension of a multi-dimensional array access.
9119
9120 2007-02-04  Jan Hubicka  <jh@suse.cz>
9121
9122         * passes.c (init_optimization_passes): Reindent.
9123
9124 2007-02-04  Jan Hubicka  <jh@suse.cz>
9125             Eric Botcazou  <ebotcazou@adacore.com>
9126
9127         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
9128         (execute_fixup_cfg): Break out the abnormal goto code.
9129         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
9130         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
9131         (optimize_inline_calls): Call make_nonlocal_label_edges.
9132
9133 2007-02-04  Jan Hubicka  <jh@suse.cz>
9134
9135         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
9136         true when something was changed.
9137         (rename_ssa_copies): When something was changed, do
9138         TODO_remove_unused_locals.
9139         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
9140         add TODO_remove_unused_locals when instruction was removed.
9141
9142 2007-02-04  Jan Hubicka  <jh@suse.cz>
9143
9144         * ipa-inline.c (try_inline): Improve debug output; work on already
9145         inline edges too.
9146         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
9147         call try_inline for already inlined edges too when flattening;
9148         inline also functions that make callee growth but overall unit size
9149         reduce.
9150
9151 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
9152
9153         * config/m32c/bitops.md, config/m32c/jump.md,
9154         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
9155         config/m32r/m32r.h, config/m32r/m32r.md,
9156         config/m32r/predicates.md, config/m68hc11/larith.asm,
9157         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
9158         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
9159         config/mips/mips-protos.h, config/mips/mips.c,
9160         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
9161         config/mn10300/mn10300.h, config/mn10300/predicates.md,
9162         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
9163         spelling conventions.
9164
9165         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
9166         Follow spelling conventions.
9167
9168 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
9169
9170         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
9171         warn about C++0x compatibility.
9172
9173 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
9174
9175         * config/h8300/h8300.c, config/h8300/h8300.h,
9176         config/h8300/h8300.md: Follow spelling conventions.
9177
9178 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
9179
9180         PR middle-end/30667
9181         * combine.c (try_combine): Do not substitute source operand
9182         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
9183
9184 2007-02-03  Jan Hubicka  <jh@suse.cz>
9185
9186         PR gcov-profile/30650
9187         * value-prof.c (stringop_block_profile): Fix handling of size counter;
9188         do not divide by zero for never executed counters.
9189         (tree_find_values_to_profile): Fix counters.
9190         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
9191
9192 2007-02-03  Ian Lance Taylor  <iant@google.com>
9193
9194         * lower-subreg.c (simple_move_operand): New static function,
9195         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
9196         operands.
9197         (simple_move): Call simple_move_operand.
9198         (find_decomposable_subregs): Add special handling of MEMs.
9199         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
9200         meaning of return value.  If we see a hard register, test whether
9201         it can store a word_mode value.  Change all callers.
9202
9203 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9204
9205         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
9206         ftrapv insns and expanders.
9207         (subdi3): Change define_expand operand 1 to arith11_operand, and
9208         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
9209         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
9210         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
9211         respectively.
9212
9213         PR middle-end/30174
9214         * varasm.c (notice_global_symbol): Treat global objects as weak when
9215         flag_shlib is true.
9216
9217 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9218
9219         * emit-rtl.c (dconstpi): Delete.
9220         (dconstsqrt2): New.
9221         (init_emit_once): Delete dconstpi and init dconstsqrt2.
9222         * real.h (dconstpi): Delete.
9223         (dconstsqrt2): New.
9224         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
9225         (fold_builtin_hypot): Likewise.
9226
9227 2007-02-03  Tom Tromey  <tromey@redhat.com>
9228
9229         PR driver/30246
9230         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
9231         -gcoff3, -gxcoff3, -gvms3 implies -dD.
9232
9233 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
9234
9235         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
9236         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
9237         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
9238         config/rs6000/cell.md, config/rs6000/darwin.h,
9239         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
9240         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
9241         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
9242         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
9243         typos.  Follow spelling conventions.
9244         * doc/invoke.texi: Follow spelling conventions.
9245
9246 2007-02-03  Roger Sayle  <roger@eyesopen.com>
9247
9248         * simplify-rtx.c (simplify_relational_operation_1): Implement some
9249         canonicalization transformations that attempt to simplify integer
9250         constant comparisons to become comparisons against zero.
9251
9252 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9253
9254         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
9255         fabs(x)*sqrt(2).
9256         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
9257         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
9258
9259 2007-02-02  Mike Stump  <mrs@apple.com>
9260
9261         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
9262         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
9263         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
9264         generate a branch island.
9265
9266 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
9267
9268         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
9269         (xtensa_legitimate_address_p): New.
9270         (xtensa_legitimize_address): New.
9271         (xtensa_output_addr_const_extra): New.
9272         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
9273         (BASE_REG_P): New.
9274         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
9275         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
9276         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
9277         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
9278         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
9279         (xtensa_legitimize_address): New.
9280         (xtensa_output_addr_const_extra): New.
9281
9282 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
9283
9284         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
9285
9286 2007-02-02  Ian Lance Taylor  <iant@google.com>
9287
9288         * expmed.c (expand_divmod): Add comment.
9289
9290 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
9291
9292         * emit-rtl.c (renumber_insns): Remove.
9293         * flags.h: Remove the extern for flag_renumber_insns.
9294         * rtl.h: Remove the prototype for renumber_insns.
9295         * toplev.c (flag_renumber_insns): Remove.
9296
9297 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
9298
9299         Revert for x86 darwin:
9300         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
9301
9302         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
9303         code before the following patch under TARGET_MACHO.
9304         (ix86_function_value_regno_p): Likewise.
9305
9306 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9307
9308         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
9309         COMPLEX_EXPR.
9310
9311 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
9312
9313         PR target/29682
9314         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
9315         general or fp registers.  Add comments.
9316         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
9317
9318 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
9319
9320         * pointer-set.c (insert_aux): Only return insertion slot.
9321         (pointer_set_insert): Adjust.
9322         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
9323         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
9324         pointer_map_traverse): New.
9325         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
9326         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
9327         pointer_map_contains, pointer_map_traverse): Declare.
9328
9329 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
9330
9331         PR middle-end/30473
9332         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
9333         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
9334
9335 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
9336
9337         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
9338
9339         (struct _dep): New type.
9340         (dep_t): New typedef.
9341         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
9342         (DEP_STATUS): New access macro.  The macro with the same name was
9343         renamed to DEP_LINK_STATUS.
9344         (dep_init): Declare function
9345
9346         (struct _dep_link): New type.
9347         (dep_link_t): New typedef.
9348         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
9349         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
9350         (DEP_LINK_STATUS): New macro.
9351         (debug_dep_links): New debug function.
9352
9353         (struct _deps_list): New type.
9354         (deps_list_t): New typedef.
9355         (DEPS_LIST_FIRST): New access macro.
9356         (FOR_EACH_DEP_LINK): New cycle macro.
9357         (create_deps_list, free_deps_list, delete_deps_list): Declare
9358         functions.
9359         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
9360         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
9361         (copy_deps_list_change_con): Ditto.
9362
9363         (move_dep_link): Declare function.
9364
9365         (struct _dep_node): New type.
9366         (dep_node_t): New typedef.
9367         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
9368
9369         (struct haifa_insn_data.back_deps): New field to hold backward
9370         dependencies of the insn.
9371         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
9372         to deps_list_t.
9373         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
9374         Change its type to deps_list_t.
9375         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
9376         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
9377         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
9378
9379         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
9380
9381         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
9382
9383         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
9384         all callers.
9385         (dep_cost): Declare.
9386
9387         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
9388         (ds_to_dk, dk_to_ds): New functions.
9389
9390         (init_dep_1): New static function.
9391         (init_dep): New function.
9392         (copy_dep): New static function.
9393
9394         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
9395         functions.
9396         (detach_dep_link): New static function.
9397         (move_dep_link): New function.
9398
9399         (dep_links_consistent_p, dump_dep_links): New static functions.
9400         (debug_dep_links): New debugging function.
9401
9402         (deps_obstack, dl_obstack, dn_obstack): New static variables.
9403
9404         (alloc_deps_list, init_deps_list): New static functions.
9405         (create_deps_list): New function.
9406         (clear_deps_list): New static function.
9407         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
9408         (deps_list_consistent_p, dump_deps_list): New static functions.
9409         (debug_deps_list): New function.
9410         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
9411         functions.
9412         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
9413
9414         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
9415         use new scheduler dependencies lists.
9416         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
9417         (sched_analyze): Ditto.  Initialize dependencies lists.
9418         (add_forw_dep, compute_forward_dependences): Update to use new
9419         scheduler dependencies lists.
9420
9421         (init_dependency_caches): Init deps_obstack.
9422         (free_dependency_caches): Free deps_obstack.
9423
9424         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
9425         new scheduler dependencies lists.
9426         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
9427         (add_back_forw_dep, delete_back_forw_dep): Ditto.
9428
9429         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
9430         Update to use new scheduler dependencies lists.
9431         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
9432         (debug_dependencies): Ditto.
9433         (schedule_region): Update comments.
9434
9435         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
9436         scheduler dependencies lists.
9437         (schedule_ebb): Update comments.
9438
9439         * rtl.def (DEPS_LIST): Remove.
9440
9441         * lists.c (unused_deps_list): Remove.
9442         (free_list): Update assertions.
9443
9444         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
9445         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
9446
9447         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
9448         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
9449
9450         * haifa-sched.c (comments): Update.
9451         (insn_cost1): Remove.  Inline the code into insn_cost ().
9452         (insn_cost): Update to use new scheduler dependencies lists.  Move
9453         processing of the dependency cost to dep_cost ().
9454         (dep_cost): New function.  Use it instead of insn_cost () when
9455         evaluating cost of the dependency.  Use compatible interface to
9456         interact with the target.
9457         (priority): Update to use new scheduler dependencies lists.
9458         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
9459         with greater number of insns that depend on the insn.
9460         (schedule_insn): Update to use new scheduler dependencies lists.  Add
9461         code to free backward dependencies lists.  Inline and optimize code
9462         from resolve_dep () - see PR28071.
9463         (ok_for_early_queue_removal): Update to use new scheduler dependencies
9464         lists.  Update call to targetm.sched.is_costly_dependence hook.
9465
9466         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
9467         scheduler dependencies lists.
9468
9469         (resolve_dep): Remove.  Move the logic to schedule_insn ().
9470         (init_h_i_d): Initialize dependencies lists.
9471
9472         (process_insn_depend_be_in_spec): Rename to
9473         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
9474         dependencies lists.
9475         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
9476         Update to use new scheduler dependencies lists.
9477         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
9478
9479         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
9480         new scheduler dependencies lists.
9481         (build_intra_loop_deps): Ditto.
9482
9483         * target.h (struct _dep): Declare to use in
9484         gcc_target.sched.is_costly_dependence.
9485         (struct gcc_target.sched.adjust_cost): Fix typo.
9486         (struct gcc_target.sched.is_costly_dependence): Change signature to use
9487         single dep_t parameter instead of an equivalent triad.
9488         (struct gcc_target.sched.adjust_cost_2): Remove.
9489
9490         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
9491
9492         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
9493
9494         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
9495         documentation.
9496         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
9497
9498         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
9499         (REG_DEP_TRUE): Document.
9500
9501         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
9502         Change signature to correspond to the targetm.sched.adjust_cost hook.
9503         Update use in TARGET_SCHED_ADJUST_COST_2.
9504         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
9505         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
9506         new scheduler dependencies lists.
9507         (ia64_gen_check): Ditto.
9508
9509         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
9510         dependencies lists.
9511
9512         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
9513         signature to correspond to the targetm.sched.is_costly_dependence hook.
9514         (is_costly_group): Update to use new scheduler dependencies lists.
9515
9516         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
9517         instead of INSN_COST () macro.
9518
9519 2007-02-01  Ian Lance Taylor  <iant@google.com>
9520
9521         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
9522
9523 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
9524
9525         * pa.md (tp_load): Correct mfctl instruction syntax.
9526
9527 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
9528
9529         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
9530         altivec_padding_size calculation on AIX.  Improve comment, add
9531         assert to verify that it's right.
9532
9533         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
9534         64-bit.
9535
9536 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
9537
9538         PR inline-asm/28686
9539         * global.c (global_alloc): Add mising initialization of
9540         ELIMINABLE_REGSET.
9541
9542 2007-02-01  Roger Sayle  <roger@eyesopen.com>
9543
9544         * alias.c (init_alias_analysis): Correct whitespace.
9545         * bb-reorder.c (fix_edges_for_rarely_executed_code,
9546         partition_hot_cold_basic_blocks): Likewise.
9547         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
9548         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
9549         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
9550         fold_builtin_snprintf_chk, fold_builtin_printf,
9551         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
9552         do_mpfr_arg3, do_mpfr_sincos): Likewise.
9553         * cfgcleanup.c (cleanup_cfg): Likewise.
9554         * cfgexpand.c (tree_expand_cfg): Likewise.
9555         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
9556         * function.c (get_next_funcdef_no): Likewise.
9557         * gengtype.c (main): Likewise.
9558         * genmodes.c (main): Likewise.
9559         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
9560         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
9561         * ifcvt.c (noce_emit_move_insn): Likewise.
9562         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
9563         Likewise.
9564         * stor-layout.c (get_best_mode): Likewise.
9565         * tree-ssa-loop-niter.c (get_val_for): Likewise.
9566         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
9567         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
9568         perform_var_substitution, solve_graph): Likewise.
9569         * tree-vrp.c (vrp_finalize): Likewise.
9570
9571 2007-02-01  Ian Lance Taylor  <iant@google.com>
9572
9573         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
9574         high part of a paradoxical subreg, return a constant zero.
9575
9576 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
9577
9578         * toplev.c (lang_dependent_init): Call init_set_costs.
9579         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
9580
9581 2007-02-01  Richard Guenther  <rguenther@suse.de>
9582
9583         PR middle-end/30656
9584         * fold-const.c (fold_negate_expr): Allow negating a
9585         constant if overflow does not change.
9586
9587 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9588
9589         * doc/c-tree.texi (Expression trees): Improve markup.
9590         * doc/tm.texi (Register Classes, Addressing Modes)
9591         (Floating Point): Fix spacing after abbreviations.  Fix some
9592         typos.
9593
9594 2007-02-01  Ben Elliston  <bje@au.ibm.com>
9595
9596         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
9597         * doc/contrib.texi: Likewise.
9598         * doc/install.texi: Likewise.
9599
9600 2007-01-31  Richard Henderson  <rth@redhat.com>
9601             Ian Lance Taylor  <iant@google.com>
9602
9603         * lower-subreg.c: New file.
9604         * rtl.def (CONCATN): Define.
9605         * passes.c (init_optimization_passes): Add pass_lower_subreg and
9606         pass_lower_subreg2.
9607         * emit-rtl.c (update_reg_offset): New static function, broken out
9608         of gen_rtx_REG_offset.
9609         (gen_rtx_REG_offset): Call update_reg_offset.
9610         (gen_reg_rtx_offset): New function.
9611         * regclass.c: Revert patch of 2006-03-05, restoring
9612         reg_scan_update.
9613         (clear_reg_info_regno): New function.
9614         * dwarf2out.c (concatn_loc_descriptor): New static function.
9615         (loc_descriptor): Handle CONCATN.
9616         * common.opt (fsplit_wide_types): New option.
9617         * opts.c (decode_options): Set flag_split_wide_types when
9618         optimizing.
9619         * timevar.def (TV_LOWER_SUBREG): Define.
9620         * rtl.h (gen_reg_rtx_offset): Declare.
9621         (reg_scan_update): Declare.
9622         * regs.h (clear_reg_info_regno): Declare.
9623         * tree-pass.h (pass_lower_subreg): Declare.
9624         (pass_lower_subreg2): Declare.
9625         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
9626         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
9627         -fsplit-wide-types.
9628         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
9629         * Makefile.in (OBJS-common): Add lower-subreg.o.
9630         (lower-subreg.o): New target.
9631
9632 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9633
9634         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
9635
9636 2007-01-31  Anatoly Sokolov <aesok@post.ru>
9637
9638         PR target/19087
9639         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
9640
9641 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9642
9643         PR middle-end/29335
9644         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
9645
9646 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
9647
9648         * cfgloop.h: Include vec-prim.h.
9649         (enum li_flags): Remove LI_ONLY_OLD.
9650         (loop_iterator): Changed.
9651         (fel_next, fel_init): Iterate over loop tree.
9652         (FOR_EACH_LOOP_BREAK): New macro.
9653         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
9654         FOR_EACH_LOOP.
9655         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
9656         * modulo-sched.c (sms_schedule): Ditto.
9657         * tree-vectorizer.c (vectorize_loops): Ditto.
9658         * doc/loop.texi: Update information on loop numbering and behavior of
9659         FOR_EACH_LOOP wrto new loops.
9660         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9661         add_to_evolution_1): Test nestedness of loops instead of comparing
9662         their numbers.
9663         * tree-chrec.c (chrec_fold_plus_poly_poly,
9664         chrec_fold_multiply_poly_poly, chrec_evaluate,
9665         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
9666         reset_evolution_in_loop): Ditto.
9667         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
9668
9669 2007-01-31  Dirk Mueller  <dmueller@suse.de>
9670
9671         * c-common.c (warn_about_parentheses): Separate warning about
9672         un-parenthized sequence of comparison operators from the one
9673         which is supposed to warn about x <= y <= z.
9674
9675 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
9676
9677         * optabs.h (enum optab_index): Add new OTI_isinf.
9678         (isinf_optab): Define corresponding macro.
9679         * optabs.c (init_optabs): Initialize isinf_optab.
9680         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
9681         patterns.
9682         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
9683         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
9684         using isinf_optab.
9685         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
9686         expand_builtin_interclass_mathfn.
9687         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
9688         * config/i386/i386.md (UNSPEC_FXAM): New constant.
9689         (fxam<mode>2_i387): New insn pattern.
9690         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
9691         built-in functions as x87 inline asm.
9692
9693 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9694
9695         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
9696
9697 2007-01-30  Eric Christopher  <echristo@apple.com>
9698
9699         * config.gcc: Add geode.
9700
9701 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
9702
9703         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
9704         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
9705         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
9706         value-prof.c: Fix comment typos.
9707
9708 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9709
9710         PR c++/24745
9711         * doc/invoke.texi (Wpointer-arith): Document warning.
9712
9713 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
9714
9715         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
9716         the list of discrepancies from the draft TR.
9717
9718 2007-01-30  Dirk Mueller  <dmueller@suse.de>
9719
9720         PR c++/30601
9721         * doc/invoke.texi (-Wreturn-type): Update description to
9722         match new behavior.
9723
9724 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
9725
9726         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
9727
9728 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
9729
9730         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
9731         to handle optabs that operate on floating point input argument and
9732         output to integer output.
9733         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
9734         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
9735         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
9736         expand_builtin_interclass_mathfn ().
9737         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
9738         (ilogbsi2): Remove.
9739         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
9740         ilogbl built-in functions as x87 intrinsics.
9741
9742 2007-01-30  Richard Guenther  <rguenther@suse.de>
9743
9744         PR middle-end/27657
9745         * dwarf2out.c (reference_to_unused): Query varpool if the
9746         variable was output.
9747
9748 2007-01-30  Richard Guenther  <rguenther@suse.de>
9749
9750         PR middle-end/30313
9751         * passes.c (execute_one_pass): Reset in_gimple_form to not
9752         confuse non-unit-at-a-time mode.
9753
9754 2007-01-29  Roger Sayle  <roger@eyesopen.com>
9755             Richard Guenther  <rguenther@suse.de>
9756
9757         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
9758         avoid undefined behaviour on overflow.  Use force_fit_type_double
9759         to construct the constant with the specified TREE_OVERFLOW.
9760
9761 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
9762
9763         * config/dfp-bit.c: Add parameterized support for fp exceptions.
9764         * config/dfp-bit.h: Ditto.
9765
9766 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9767
9768         * c-decl.c (pop_scope): Replace warnings with call to
9769         warn_for_unused_label.
9770         * c-common.h (warn_for_unused_label): Declare.
9771         * c-common.c (warn_for_unused_label): Define.
9772
9773 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9774
9775         * tree-optimize.c (update_inlined_to_pointers): Delete unused
9776         function.
9777
9778 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
9779
9780         * Makefile.in (USER_H): Remove decfloat.h.
9781         * ginclude/decfloat.h: Delete, moving contents to ...
9782         * ginclude/float.h: Add support for decimal floating point,
9783         guarded by __STDC_WANT_DEC_FP__.
9784
9785 2007-01-29  Mike Stump  <mrs@apple.com>
9786
9787         * doc/gccint.texi (Top): Rename Loop Representation to Loop
9788         Analysis and Representation to resolve case insensitive conflict.
9789         * doc/loop.texi (Loop Analysis and Representation): Likewise.
9790
9791 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
9792
9793         * tree.h (struct tree_memory_tag): Add aliases member.
9794         (MTAG_ALIASES): New macro.
9795         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
9796         (add_may_alias): Remove pointer-set. Update for may_aliases being
9797         a bitmap.
9798         (mark_aliases_call_clobbered): Update for may_aliases being a
9799         bitmap.
9800         (compute_tag_properties): Ditto.
9801         (create_partition_for): Ditto.
9802         (compute_memory_partitions): Ditto.
9803         (dump_may_aliases_for): Ditto.
9804         (is_aliased_with): Ditto.
9805         (add_may_alias_for_new_tag): Ditto.
9806         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
9807         (compute_is_aliased): New function.
9808         (compute_may_aliases): Call compute_is_aliased).
9809         (init_alias_info): Initialize alias_bitmap_obstack.
9810         (union_alias_set_into): New function.
9811         (compute_flow_sensitive_aliasing): Use union_aliases_into.
9812         (have_common_aliases_p): Rewrite to take two bitmaps and use
9813         intersection.
9814         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
9815         Update for bitmaps.
9816         (finalize_ref_all_pointers): Update for add_may_alias changes.
9817         (new_type_alias): Ditto.
9818         * tree-flow-inline.h (may_aliases): Return a bitmap.
9819         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
9820         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
9821         may_aliases being a bitmap.
9822         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
9823         may_aliases now returns a bitmap.
9824         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
9825         being a bitmap.
9826         * tree-ssa-operands.c (add_virtual_operand): Update for
9827         may_aliases being a bitmap.
9828
9829 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
9830
9831         PR tree-optimization/30630
9832         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
9833         variable as changed.
9834
9835 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
9836
9837         PR c++/28266
9838         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
9839         expanded only once even if an error occurs.
9840
9841 2007-01-29  Ben Elliston  <bje@au.ibm.com>
9842
9843         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
9844         (__gcov_average_profiler): Likewise.
9845         (__gcov_ior_profiler): Likewise.
9846         (__gcov_merge_ior): Likewise.
9847
9848 2007-01-28  Jan Hubicka  <jh@suse.cz>
9849
9850         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
9851         * value-prof.c (stringop_block_profile): Likewise.
9852
9853 2007-01-28  Jan Hubicka  <jh@suse.cz>
9854
9855         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
9856         variant handling histograms; add wrapper.
9857         (clear_storage_via_libcall): Export.
9858         (emit_block_move_hints): Break out from ...; add histograms.
9859         (emit_block_move): ... this one.
9860         (clear_storage_hints): Break out from ...; add histograms.
9861         (clear_storage): ... this one.
9862         (set_storage_via_memset): Handle histogram.
9863         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
9864         (clear_storage_hints, clear_storage_via_libcall): Declare.
9865         (set_storage_via_setmem): Update prototype.
9866         * doc/md.texi (movmem, setmem): Document new arguments.
9867
9868         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
9869         new histograms.
9870         (stringop_block_profile): New global function.
9871         (tree_stringops_values_to_profile): Profile block size and alignment.
9872         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
9873         HIST_TYPE_IOR.
9874         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
9875         (stringop_block_profile): Declare.
9876         * builtins.c: Include value-prof.h.
9877         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
9878         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
9879         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
9880         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
9881         * profile.c (instrument_values): Add new counters.
9882         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
9883         calls.
9884         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
9885         (tree_init_edge_profiler): Build new profilers.
9886         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
9887         (pass_tree_profile): Add dump.
9888         (tree_profile_hooks): Update.
9889         * Makefile.in (LIBGCOV): Add new constants.
9890         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
9891         __gcov_ior_profiler): New.
9892         * i386.md (movmem/setmem expanders): Add new optional arguments.
9893
9894 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
9895
9896         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
9897
9898 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9899
9900         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
9901         (tree_unswitch_single_loop): Pass eni_size_weights to
9902         tree_num_loop_insns.
9903         * tree-ssa-loop-manip.c: Include tree-inline.h.
9904         (can_unroll_loop_p): Pass eni_size_weights to
9905         tree_num_loop_insns.
9906         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
9907         Pass eni_size_weights to estimate_num_insns.
9908         * tree.h (init_inline_once): Export.
9909         * toplev.c (backend_init): Call init_inline_once.
9910         * cgraphunit.c (cgraph_process_new_functions,
9911         cgraph_analyze_function): Pass eni_inlining_weights to
9912         estimate_num_insns.
9913         * ipa-inline.c (compute_inline_parameters): Ditto.
9914         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
9915         to estimate_num_insns.
9916         (try_unroll_loop_completely): Pass eni_size_weights to
9917         tree_num_loop_insns.
9918         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
9919         ot estimate_num_insns.
9920         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
9921         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
9922         * tree-inline.c (eni_inlining_weights, eni_size_weights,
9923         eni_time_weights): New variables.
9924         (init_inline_once): Initialize them.
9925         (struct eni_data): Mew.
9926         (estimate_num_insns_1, estimate_num_insns): Use weights.
9927         * tree-inline.h (struct eni_weights_d): New.
9928         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
9929         (estimate_num_insns): Declaration changed.
9930         * cfgloop.h (tree_num_loop_insns): Declaration changed.
9931         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
9932         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
9933
9934 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
9935
9936         * tree-data-ref.c (conflict_fn): Assert that the number of affine
9937         relations in the conflict function is valid.
9938
9939 2007-01-27  Ian Lance Taylor  <iant@google.com>
9940
9941         * common.opt: Add fstrict-overflow.
9942         * opts.c (decode_options): Set flag_strict_overflow if -O2.
9943         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
9944         (TYPE_OVERFLOW_UNDEFINED): Define.
9945         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
9946         Replace all uses.
9947         * tree.h (TYPE_TRAP_SIGNED): Don't define.
9948         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
9949         (fold_negate_expr): Likewise.
9950         (make_range): Likewise.
9951         (extract_muldiv_1): Likewise.
9952         (maybe_canonicalize_comparison): Likewise.
9953         (fold_comparison): Likewise.
9954         (fold_binary): Likewise.
9955         (tree_expr_nonnegative_p): Likewise.
9956         (tree_expr_nonzero_p): Likewise.
9957         * tree-vrp.c (compare_values): Likewise.
9958         (extract_range_from_binary_expr): Likewise.
9959         (extract_range_from_unary_expr): Likewise.
9960         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
9961         Likewise.
9962         (nowrap_type_p): Likewise.
9963         * tree-scalar-evolution.c (simple_iv): Likewise.
9964         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
9965         (build_range_check): Likewise.
9966         (extract_muldiv_1): Likewise.
9967         (fold_comparison): Likewise.
9968         * tree-vrp.c (vrp_int_const_binop): Likewise.
9969         (extract_range_from_unary_expr): Likewise.
9970         * convert.c (convert_to_integer): Likewise.
9971         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
9972         (fold_comparison): Likewise.
9973         (fold_binary): Likewise.
9974         * optabs.c (optab_for_tree_code): Likewise.
9975         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
9976         * simplify-rtx.c (simplify_const_relational_operation): Check
9977         flag_strict_overflow and flag_trapv.
9978         (simplify_const_relational_operation): Likewise.
9979         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
9980         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
9981         -fstrict-overflow.
9982
9983 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9984
9985         * tree.c (tree_fold_gcd): Delete.
9986         * tree.h (tree_fold_gcd): Remove prototype.
9987         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
9988         test whether one constant integer is a multiple of another.  Instead
9989         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
9990         * fold-const.c (multiple_of_p):  We've determined both TOP and
9991         BOTTOM are integer constants so we can call int_const_binop directly
9992         instead of the more generic const_binop.
9993
9994 2007-01-27  Roger Sayle  <roger@eyesopen.com>
9995
9996         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
9997         1*X check that the constant hasn't overflowed, to preserve the
9998         TREE_OVERFLOW bit.
9999         (round_up): Provide an efficient implementation when rouding-up an
10000         INTEGER_CST to a power-of-two.
10001
10002 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10003
10004         * doc/sourcebuild.texi: Add comma for clarity.
10005         * doc/extend.texi: Fix some typos.
10006         * doc/passes.texi: Likewise.
10007         * doc/cppinternals.texi: Likewise.
10008         * doc/c-tree.texi: Likewise.
10009         * doc/tree-ssa.texi: Likewise.
10010         * doc/install.texi: Likewise.
10011
10012 2007-01-27  Jan Hubicka  <jh@suse.cz>
10013
10014         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
10015         (pass_sra): Do not require alias information.
10016         * passes.c (init_optimization_passes): Add SRA
10017
10018 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
10019
10020         * tracer.c (rest_of_handle_tracer): We already cleaned
10021         up the CFG in tracer() so don't do it here again.
10022         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
10023         cleanup_cfg here, either.  And don't call renumber_insns.
10024
10025         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
10026         and BB_HEAD are in the insn stream here.  Instead make sure
10027         that BB_INSN is valid on all insns.  Also, do check here that
10028         there are no pending branch predictions...
10029         (rtl_verify_flow_info): ...instead of doing it here.  Checks
10030         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
10031         here.
10032
10033 2007-01-26  Roger Sayle  <roger@eyesopen.com>
10034
10035         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
10036         function to simplify/factorize operand order canonicalization.
10037         (ix86_fixup_binary_operands): Reorganize using the above function.
10038         (ix86_binary_operator_ok): Likewise.
10039
10040 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
10041
10042         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
10043         file scope from optimize_attrs.
10044         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
10045         up search.
10046         (optimize_attrs): Clear insn_code_values after freeing it.
10047
10048 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
10049
10050         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
10051         a parts.base assignment.
10052
10053 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
10054
10055         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
10056         (compute_subscript_distance, initialize_data_dependence_relation,
10057         finalize_ddr_dependent, analyze_ziv_subscript,
10058         analyze_siv_subscript_cst_affine,
10059         compute_overlap_steps_for_affine_univar,
10060         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
10061         analyze_siv_subscript, analyze_miv_subscript,
10062         analyze_overlapping_iterations, subscript_dependence_tester_1,
10063         compute_self_dependence, free_dependence_relation): Work
10064         with affine_fn instead of chrecs.
10065         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
10066         common_affine_function, affine_function_base,
10067         affine_function_constant_p, affine_fn_op, affine_fn_plus,
10068         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
10069         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
10070         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
10071         (all_chrecs_equal_p): Removed.
10072         * tree-data-ref.h (affine_fn, conflict_function): New types.
10073         (struct subscript): Change type of conflicting_iterations_in_a
10074         and conflicting_iterations_in_b.
10075
10076 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
10077
10078         PR other/30182
10079         * config/pa/pa.h (TARGET_HPUX_11): New.
10080         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
10081         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
10082
10083 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
10084         Richard Guenther  <rguenther@suse.de>
10085
10086         * tree-ssa-structalias.c (solve_graph): Handle case
10087         we merged the variable to another.
10088
10089 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10090
10091         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
10092         functions.
10093
10094         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
10095         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
10096
10097 2007-01-25  DJ Delorie  <dj@redhat.com>
10098
10099         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
10100         allow changes to modes which don't fit in those registers.
10101
10102         * reload1.c (choose_reload_regs): Check for invalid subregs before
10103         computing their locations, not after.
10104
10105 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
10106
10107         PR 25127
10108         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
10109         save Altivec registers in an eh_return function.
10110         (compute_vrsave_mask): Likewise.
10111         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
10112         for saving Altivec registers.
10113         (rs6000_emit_prologue): Don't allocate stack twice in
10114         eh_return function.  Correct expected value of altivec_save_offset
10115         when using save_world.  Describe save of R0 to stack when using
10116         save_world.  Describe stack pointer adjustment when using
10117         save_world.  Remove duplicated eh_return parameter register saving.
10118         Update sp_offset variable after save_world.
10119         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
10120         darwin-world.asm.
10121         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
10122         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
10123         implies Altivec.
10124
10125 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
10126
10127         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
10128
10129 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
10130
10131         PR other/30182
10132         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
10133         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
10134
10135 2007-01-25  Richard Guenther  <rguenther@suse.de>
10136
10137         * doc/invoke.texi (-Wcoverage-mismatch): Document.
10138         * common.opt (-Wcoverage-mismatch): New warning option.
10139         * coverage.c (get_coverage_counts): Ignore coverage mismatch
10140         if -Wcoverage-mismatch is given.
10141
10142 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
10143
10144         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
10145         (ipcp_driver): Change to static definition.
10146         Add dumping of the ifunctions.
10147         (constant_val_insert): Remove unused parameter. Support for SSA.
10148         (ipcp_propagate_const): Support for SSA.
10149         (ipcp_profile_bb_print): Print only analyzed nodes.
10150         (ipcp_replace_map_create): Remove support for Fortran constant
10151         for now.
10152         * ipa-prop.c (ipa_method_modify_stmt,
10153         ipa_callsite_compute_param): Support for SSA.
10154         * ipa-prop.h (ipcp_driver): Remove declaration.
10155         (IS_VALID_TREE_MAP_INDEX): Add define.
10156
10157 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
10158
10159         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
10160
10161 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10162
10163         PR middle-end/30447
10164         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
10165         constant argument to cabs and do it without checking for
10166         -funsafe-math-optimizations.
10167
10168 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
10169
10170         * c-common.h (RID_FIRST_CXX0X): New.
10171         (RID_LAST_CXX0X): New.
10172         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
10173         by -Wall.
10174         * c.opt (Wc++0x-compat): New.
10175         * doc/invoke.texi (-Wc++0x-compat): Document.
10176
10177 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10178
10179         * builtins.c (fold_builtin_carg): New.
10180         (fold_builtin_1): Use it.
10181
10182 2007-01-24  Jan Hubicka  <jh@suse.cz>
10183
10184         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
10185
10186         * ipa-inline.c (initial_insns, max_insns): Delete.
10187         (compute_max_insns): New function.
10188         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
10189         of insns as base for code growth.
10190         (cgraph_decide_inlining): Make initial_insns local; do not compute
10191         max_insns.
10192         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
10193         * doc/invoke.texi (inline-unit-growth): Update docs.
10194
10195 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
10196
10197         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
10198         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
10199         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
10200         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
10201         for CPUs that have PTA_CX16 set.
10202
10203         PR middle-end/27416
10204         * gimplify.c (omp_check_private): New function.
10205         (gimplify_scan_omp_clauses): Use it for
10206         firstprivate/lastprivate/reduction.
10207
10208         PR middle-end/30494
10209         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
10210         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
10211
10212         PR middle-end/30421
10213         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
10214         If lower_lastprivate_clauses emits some statements, append them
10215         to dlist rather than body_p and to body_p append an initializer.
10216         (lower_omp_for): Adjust caller.
10217
10218 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
10219
10220         * target.h (globalize_decl_name): New.
10221         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
10222         * output.h (default_globalize_decl_name): New.
10223         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
10224         globalize_label.
10225         (globalize_decl): Ditto.
10226         (default_globalize_decl_name): New.
10227         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
10228         (ia64_handle_version_id_attribute): New.
10229         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
10230         (ia64_asm_output_external): Use globalize_decl_name instead
10231         of globalize_label.
10232         * doc/extend.texi (version_id): New pragma.
10233         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
10234
10235 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
10236
10237         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
10238         _uleb128_t and _Unwind_SWord with _sleb128_t.
10239         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
10240         uw_frame_state_for, uw_update_context_1): Likewise.
10241         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
10242         * unwind-pe.h (read_uleb128, read_sleb128,
10243         read_encoded_value_with_base): Likewise.
10244         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
10245
10246 2007-01-24  Richard Guenther  <rguenther@suse.de>
10247
10248         * builtins.c (expand_builtin_cexpi): Get the fndecl
10249         for cexp in the correct way.
10250
10251 2007-01-24  Jan Hubicka  <jh@suse.cz>
10252
10253         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
10254
10255 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
10256
10257         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
10258         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
10259         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
10260         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
10261         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
10262         __SIZEOF_PTRDIFF_T__.
10263         * doc/cpp.texi: Documentation for the new builtin macros added.
10264
10265 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
10266
10267         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
10268         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
10269         instead of operands[2] to avoid access past the end of array.
10270
10271 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
10272
10273         * reload1.c (emit_reload_insns): Pass the reload register
10274         for a non-spill output reload through forget_old_reloads_1.
10275
10276 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
10277
10278         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
10279         _SOFT_DOUBLE if doubles use software floating-point.
10280         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
10281         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
10282         * config/rs6000/darwin-ldouble.c: Also compile functions for
10283         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
10284         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
10285         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
10286         commented-out long double override.
10287         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
10288         * config/rs6000/eabispe.h: Likewise.
10289         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
10290         long double for non-SPE.
10291         (rs6000_handle_option): Likewise.
10292         (invalid_e500_subreg): Disallow more subregs involding DImode,
10293         DFmode, TImode or TFmode.
10294         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
10295         E500 double.
10296         (legitimate_lo_sum_address_p): Also check for TFmode for E500
10297         double.
10298         (rs6000_legitimize_address): Also handle TFmode for E500 double.
10299         (rs6000_legitimize_reload_address): Also handle TFmode for E500
10300         double.
10301         (rs6000_legitimate_address): Also check for TFmode for E500
10302         double.
10303         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
10304         (spe_build_register_parallel): Handle TFmode and TCmode.
10305         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
10306         double.
10307         (function_arg): Handle TFmode and TCmode for E500 double.
10308         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
10309         in general.
10310         (print_operand): Handle TFmode and TImode for %y.
10311         (rs6000_generate_compare): Handle TFmode comparisons for E500
10312         double.
10313         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
10314         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
10315         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
10316         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
10317         TFmode for E500 double.
10318         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
10319         (floatsidf2): Enable for E500 double.
10320         (movtf_softfloat): Use rs6000_nonimmediate_operand.
10321         (extenddftf2): Change to extenddftf2_fprs.
10322         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
10323         depending on TARGET_E500_DOUBLE.
10324         (extendsftf2): Enable for E500 double.
10325         (trunctfdf2): Enable for E500 double.
10326         (trunctfsf2): Change to trunctfsf2_fprs.
10327         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
10328         depending on TARGET_E500_DOUBLE.
10329         (floatsitf2): Enable for E500 double.
10330         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
10331         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
10332         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
10333         (negtf2): Change to negtf2_internal.
10334         (negtf2): New expander.
10335         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
10336         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
10337         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
10338         (movdi_internal32): Use rs6000_nonimmediate_operand.
10339         (unnamed splitter): Likewise.
10340         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
10341         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
10342         (SPE64TF, DITI): New mode macros.
10343         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
10344         modes.
10345         (frob_tf_ti): New.
10346         (frob_<mode>_di_2): New.
10347         (frob_tf_di_8_2): New.
10348         (frob_di_df): Change to frob_di_<mode>; allow more modes.
10349         (frob_ti_tf): New.
10350         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
10351         more modes.
10352         (frob_ti_<mode>_8_2): New.
10353         (frob_ti_tf_2): New.
10354         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
10355         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
10356         TFmode.
10357         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
10358         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
10359         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
10360         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
10361         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
10362         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
10363         tsttflt_gp): New.
10364
10365 2007-01-23  Ian Lance Taylor  <iant@google.com>
10366
10367         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
10368         insn-*.o first.
10369         (OBJS-archive): Reformat, alphabetize.
10370         (OBJS): Change out_object_file to OBJS-md.
10371
10372 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
10373
10374         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
10375         JUMP_P and CALL_P predicates where applicable.
10376         * config/i386/i386.c: Ditto.
10377         * config/i386/i386.md: Ditto.
10378         * config/i386/mmx.md: Ditto.
10379         * config/i386/predicates.md: Ditto.
10380
10381 2007-01-22  Andreas Schwab  <schwab@suse.de>
10382
10383         * config/m68k/m68k.h: Fix comment.
10384
10385 2007-01-22  Jan Hubicka  <jh@suse.cz>
10386
10387         * passes.c (init_optimization_passes): Do not rerun
10388         pass_early_warn_uninitialized.
10389
10390 2007-01-22  Richard Guenther  <rguenther@suse.de>
10391
10392         PR tree-optimization/30038
10393         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
10394         function.
10395         (execute_cse_sincos_1): Likewise.
10396         (execute_cse_sincos): Likewise.
10397         (gate_cse_sincos): Likewise.
10398         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
10399         the cexpi() canonicalization of sincos().
10400         * tree-pass.h (pass_cse_sincos): Declare.
10401         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
10402
10403 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
10404
10405         PR rtl-optimization/29329
10406         * combine.c (replaced_rhs_insn): Rename to i2mod.
10407         (replaced_rhs_value): Rename to i2mod_new_rhs.
10408         (i2mod_old_rhs): New global variable.
10409         (combine_instructions): Adjust for above change.  Save a copy of
10410         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
10411         note are substituted in the second instruction.
10412         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
10413         ditch the note if it pertains to the second eliminated register
10414         and this register is mentioned in i2mod_old_rhs.
10415
10416         Revert:
10417         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
10418
10419         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
10420         the insn to which the note was originally attached.
10421
10422 2007-01-21  Jan Hubicka  <jh@suse.cz>
10423
10424         * ipa-inline.c (inlining_mode): Comment, move up.
10425         (cgraph_decide_inlining_incrementally): Do not perform inlining
10426         itself; fix handling of flattening of self recursive functions.
10427         (cgraph_find_cycles): Remove.
10428         (cgraph_flatten_node): Remove.
10429         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
10430         (try_inline): New function.
10431         (cgraph_early_inlining): Update call of
10432         cgraph_decide_inlining_incrementally.  Apply inlining here.
10433         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
10434
10435 2007-01-21  Dirk Mueller  <dmueller@suse.de>
10436
10437         PR bootstrap/30511
10438         * tree-vrp.c (check_array_bounds): do not warn
10439         about ADDR_EXPR's of ARRAY_REF's which are immediately
10440         used in binary expressions.
10441
10442 2007-01-21  Ira Rosen  <irar@il.ibm.com>
10443
10444         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
10445         read_write_dep and macros for its access.
10446         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
10447         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
10448         argument, call vect_check_interleaving for every independent pair of
10449         data-refs. Mark loads that access the same memory location as a store
10450         in the loop.
10451         (vect_check_dependences): Remove.
10452         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
10453         call, fix the call to vect_analyze_data_ref_dependence.
10454         (vect_analyze_data_ref_access): For statements that access the same
10455         data-ref, check that they are not stores; for loads, check that there
10456         is no store that access the same location.
10457
10458 2007-01-20  Roger Sayle  <roger@eyesopen.com>
10459             Joseph Myers  <joseph@codesourcery.com>
10460
10461         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
10462         (-fdump-rtl-stack): Likewise.
10463         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
10464         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
10465         (-mpt-fixed): Use @minus{} for minus sign.
10466         (Using Precompiled Headers): Fix under/overfull hbox.
10467
10468 2007-01-20  Jan Hubicka  <jh@suse.cz>
10469
10470         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
10471         place within annotation.
10472
10473 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10474
10475         * pa.c (output_move_double): Change array size of xoperands to 4.
10476
10477 2007-01-20  Jan Hubicka  <jh@suse.cz>
10478
10479         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
10480         as temporary.
10481
10482 2007-01-19  Ian Lance Taylor  <iant@google.com>
10483
10484         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
10485         constant to unsigned HOST_WIDE_INT before negating.
10486
10487 2007-01-19  Ian Lance Taylor  <iant@google.com>
10488
10489         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
10490         to unsigned.
10491         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
10492         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
10493         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
10494         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
10495         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
10496         (realloc_vdef, realloc_vuse): Change second parameter to
10497         unsigned.
10498         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
10499         fields to unsigned.
10500         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
10501         unsigned. Change x and lim locals to unsigned.
10502         (realloc_vdef, realloc_vuse): Change num_elem parameter to
10503         unsigned.
10504         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
10505         (copy_virtual_operands): Change i and n locals to unsigned.
10506
10507 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10508
10509         PR middle-end/29335
10510         * builtins.c (fold_builtin_1): Handle builtin fdim.
10511
10512 2007-01-20  Jan Hubicka  <jh@suse.cz>
10513
10514         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
10515         * tree-ssa-structalias.c (compute_points_to_sets): Do call
10516         init_alias_heapvars.
10517         (init_alias_heapvars): Initialize only when not already initialized.
10518         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
10519
10520 2007-01-19  Roger Sayle  <roger@eyesopen.com>
10521
10522         * common.opt (fsigned-zeros): New command line option.
10523         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
10524         of flag_unsafe_math_optimizations.
10525         * opts.c (set_fast_math_flags): The -ffast-math command line option
10526         implies -fno-signed-zeros.
10527         (fast_math_flags_set_p): Likewise.
10528
10529         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
10530         the documentation of -ffast-math appropriately.  Wrap long lines.
10531
10532 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
10533
10534         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
10535         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
10536
10537 2007-01-19  Tomas Bily  <tbily@suse.cz>
10538
10539         * cgraphunit.c (cgraph_finalize_function): Updating of pid
10540         * tree-profile.c:
10541         (tree_init_ic_make_global_vars): New function
10542         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
10543         (tree_gen_ic_profiler): New function
10544         (tree_gen_ic_func_profiler): New function
10545         (tree_profiling): Added calling of tree_gen_ic_func_profiler
10546         (tree_profile_hooks): Added hook for indirec/virtual calls
10547         * value-prof.c (tree_find_values_to_profile): New case for
10548         indirect calls
10549         (tree_values_to_profile): Call for determining indirect/virtual
10550         counters
10551         (tree_indirect_call_to_profile): New function
10552         (tree_ic_transform): New function
10553         (tree_ic): New function
10554         (find_func_by_pid): New function
10555         (init_pid_map): New function
10556         (tree_value_profile_transformations): Added check for
10557         indirect/virtual call transformation
10558         * value-prof.h (enum hist_type): New counter type for
10559         indirect/virtual calls
10560         (profile_hooks): Added new hook for profiling indirect/virtual
10561         calls
10562         * profile.c (instrument_values): New case for indirect/virtual
10563         call added
10564         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
10565         (GCOV_COUNTER_V_INDIR): New counter type
10566         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
10567         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
10568         call added
10569         * cgraph.c: Definition of cgraph_max_pid
10570         (cgraph_create_node): Default init of pid attribute
10571         * cgraph.h: Declaration of cgraph_max_pid
10572         (struct cgraph_node): Added pid attribute
10573         * libgcov.c (__gcov_indirect_call_profiler): New function
10574         (__gcov_one_value_profiler_body): New function
10575         (__gcov_one_value_profiler): Body was moved to
10576         __gcov_one_value_profiler_body and calls it
10577
10578 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
10579
10580         * doc/gty.texi (Options): Document the mark_hook option to GTY.
10581         * gengtype.c (write_types_data, write_func_for_structure,
10582         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
10583         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
10584         (walk_type, write_func_for_structure): Generate the mark_hook if
10585         needed.
10586
10587 2007-01-19  Jan Hubicka  <jh@suse.cz>
10588
10589         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
10590         'early' argument take inlining mode argument specifying whether to
10591         inline for size/speeed or all functions; add support for flattening;
10592         improve dumpting.
10593         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
10594
10595 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10596
10597         PR c++/17947
10598         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
10599         the name of the declared identifier.
10600
10601 2007-01-19  Dirk Mueller  <dmueller@suse.de>
10602
10603         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
10604         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
10605         duplicate evaluation.
10606
10607 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
10608
10609         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
10610         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
10611         to XFMode, use acosxf2 and truncate result to requested mode.
10612         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
10613         (asin<mode>2): Similarly, with asin expanders.
10614         (*fscalexf4_i387): Rename from *fscalexf4.
10615         (expNcorexf3): New expander.
10616         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
10617         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
10618         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
10619         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
10620         patterns for SSE math.
10621         (exp10<mode>2): Similarly, with exp10 expanders.
10622         (exp2<mode>2): Similarly, with exp2 expanders.
10623         (expm1<mode>2): Similarly, with expm1 expanders.
10624         (ldexp<mode>3): Similarly, with ldexp expanders.
10625         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
10626         Use gen_truncxf<mode>2_i387_noop to truncate result.
10627
10628 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10629
10630         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
10631         for ColdFire targets.
10632
10633 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
10634             Richard Sandiford  <richard@codesourcery.com>
10635
10636         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
10637         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
10638         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
10639         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
10640         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10641         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10642
10643 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10644
10645         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
10646         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
10647         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
10648         (*adddi_dilshr32_cf): New pattern.
10649         (adddi3, subdi3): Remove first alternatives.
10650
10651 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10652
10653         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
10654         implemented using move.l, do not use its cc result for floating-point
10655         comparisons.
10656
10657 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10658
10659         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
10660         from accepting 's' constraints if flag_pic.
10661
10662 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10663
10664         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
10665         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
10666         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
10667         condition from TARGET_68881 to TARGET_HARD_FLOAT.
10668
10669 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
10670
10671         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
10672         ColdFire alternatives.
10673         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
10674         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
10675         architectures that support ff1 instruction.
10676
10677 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10678             Julian Brown  <julian@codesourcery.com>
10679
10680         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
10681         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
10682         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
10683         Add commentary.
10684
10685 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
10686
10687         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
10688         and return a bool.
10689         (output_move_const_into_data_reg, output_move_simode_const): Delete.
10690         * config/m68k/m68k.c (const_method, const_int_cost): Take a
10691         HOST_WIDE_INT instead of an rtx.
10692         (m68k_rtx_costs): Update call accordingly.
10693         (output_move_const_into_data_reg): Likewise.  Fix formatting.
10694         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
10695         Return a bool.
10696         (output_move_simode_const): Update calls after above changes.
10697         Rework to use automatic variables and predicates like MEM_P.
10698         * config/m68k/m68k.md (pushexthisi_const): Update call to
10699         valid_mov3q_const.
10700
10701 2007-01-19  Dirk Mueller  <dmueller@suse.de>
10702
10703         * tree-ssa-alias.c (perform_var_substitution): Fix typo
10704         in dump_flags test.
10705
10706 2007-01-19  Richard Guenther  <rguenther@suse.de>
10707
10708         * builtins.c (expand_builtin_cexpi): Fall back to expanding
10709         via cexp in case sincos is not available.
10710
10711 2007-01-19  Richard Guenther  <rguenther@suse.de>
10712
10713         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
10714         * defaults.h (TARGET_HAS_SINCOS): Default to off.
10715         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
10716         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
10717         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
10718         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
10719         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
10720         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
10721
10722 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
10723
10724         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
10725         New insn patterns.
10726         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
10727         (atan2xf3): Directly generate RTL pattern.
10728         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
10729         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
10730         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10731         disable patterns for SSE math.
10732         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
10733         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
10734         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
10735         disable patterns for SSE math.
10736
10737 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
10738
10739         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
10740
10741 2007-01-18  Roger Sayle  <roger@eyesopen.com>
10742
10743         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
10744         VIEW_CONVERT_EXPR to the same type as it's operand.
10745
10746 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
10747
10748         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
10749         configured for long double 128.
10750
10751 2007-01-18  Mike Stump  <mrs@apple.com>
10752
10753         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
10754         error.
10755
10756 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
10757
10758         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
10759         type correct.
10760
10761 2007-01-18  Jan Hubicka  <jh@suse.cz>
10762
10763         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
10764         greater than NUM_VOP_FREE_BUCKETS.
10765
10766 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
10767
10768         * tree-ssa-structalias.c: Update comments.
10769         (ptabitmap_obstack): Removed.
10770         (pta_obstack): New.
10771         (oldpta_obstack): Ditto.
10772         (stats): Add a few members.
10773         (struct variable_info): Remove node, complex, address_taken, and
10774         indirect_target members. Add oldsolution member.
10775         (new_var_info): Do not initialize removed members.
10776         (constraint_expr_type): Remove INCLUDES.
10777         (constraint_graph): Add size, implicit_preds, rep,
10778         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
10779         (FIRST_REF_NODE): New macro.
10780         (LAST_REF_NODE): Ditto.
10781         (FIRST_ADDR_NODE): Ditto.
10782         (find): New function.
10783         (unite): Ditto.
10784         (dump_constraint): Do not handle INCLUDES.
10785         (insert_into_complex): Do not insert duplicate constraints.
10786         (condense_varmap_nodes): Renamed and rewritten into ...
10787         (merge_node_constraints): This. Also fix bug in handling of
10788         offseted copy constraints.
10789         (clear_edges_for_node): No longer need to deal with preds at all,
10790         or removing associated preds/succs.
10791         (merge_graph_nodes): Deal with indirect_cycles.
10792         Don't deal with predecessors.
10793         (add_implicit_graph_edge): New function.
10794         (add_pred_graph_edge): Ditto.
10795         (add_graph_edge): Don't deal with predecessors.
10796         (build_constraint_graph): Removed.
10797         (build_pred_graph): New function.
10798         (build_succ_graph): Ditto.
10799         (struct scc_info): Removed in_component. Added roots, dfs, and
10800         node_mapping. Remove visited_index, unification_queue.
10801         (scc_visit): Deal with union-find we do now.
10802         Deal with cycles with REF nodes.
10803         (collapse_nodes): Renamed and rewritten to ...
10804         (unify_nodes): This.
10805         (process_unification_queue): Removed.
10806         (topo_visit): Cleanup
10807         (do_da_constraint): Use find.
10808         (do_sd_constraint): Ditto.
10809         (do_ds_constraint): Ditto.
10810         (do_complex_constraint): Ditto.
10811         (init_scc_info): Update for removed and added members.
10812         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
10813         (find_indirect_cycles): This.
10814         (equivalence_class): New variable.
10815         (label_visit): New function.
10816         (perform_variable_substitution): Rewritten.
10817         (free_var_substitution_info): New function.
10818         (find_equivalent_node): Ditto.
10819         (move_complex_constraints): Ditto.
10820         (eliminate_indirect_cycles): Ditto.
10821         (solve_graph): Only propagate changed bits.
10822         Use indirect cycle elimination.
10823         Use find.
10824         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
10825         (tree_id_eq): Renamed to ...
10826         (tree_vi_eq): This. Update for member change
10827         (insert_id_for_tree): Renamed and rewritten to ...
10828         (insert_vi_for_tree): This.
10829         (lookup_id_for_tree): Renamed and rewritten to ...
10830         (lookup_vi_for_tree): This.
10831         (get_id_for_tree): Renamed and rewritten to ...
10832         (get_vi_for_tree): Ditto.
10833         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
10834         (process_constraint): Don't handle INCLUDES.
10835         Remove special ADDRESSOF case.
10836         (find_func_aliases): Rewrite to use vi functions instead of id
10837         ones.
10838         (create_function_info_for): Ditto.
10839         (create_variable_info_for): Ditto.
10840         (intra_create_variable_infos): Ditto.
10841         (merge_smts_into): Ditto.
10842         (find_what_p_points_to): Ditto.
10843         (init_base_vars): Ditto.
10844         (init_alias_vars): Ditto.
10845         (remove_preds_and_fake_succs): New function.
10846         (dump_sa_points_to_info): Dump new stats.
10847         (dump_solution_for_var): Use find.
10848         (set_used_smts): Fix formatting.
10849         (compute_points_to_sets): Updated for new functions.
10850         (ipa_pta_execute): Ditto.
10851
10852 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10853             Richard Sandiford  <richard@codesourcery.com>
10854
10855         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
10856         parallels.
10857         * calls.c (expand_call): If the return value is a PARALLEL,
10858         extract its first member.
10859         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
10860         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10861         use FUNCTION_EXTRA_EPILOGUE.
10862         (m68k_function_value): Return a PARALLEL if the return value
10863         is of a pointer type.
10864         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
10865         (FUNCTION_EXTRA_EPILOGUE): Remove.
10866         * config/m68k/m68k.md (D0_REG): New constant.
10867
10868 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10869
10870         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10871         output a NOP for empty epilogues.
10872
10873 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10874
10875         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
10876         before function.  Extend register save check to include all
10877         registers, not just integer ones.
10878
10879 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10880
10881         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
10882         (m68k_use_return_insn): ...this.
10883         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
10884         * config/m68k/m68k.c (use_return_insn): Rename to...
10885         (m68k_use_return_insn): ...this.
10886         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
10887         of USE_RETURN_INSN.
10888
10889 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10890
10891         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
10892         nearest even, fix denormal rounding overflow.
10893
10894 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10895
10896         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
10897         f%$smove and f%$move.
10898         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
10899         (extendsfdf2_cf): Use fdmove instead of f%&move.
10900         (truncdfsf2_cf): Use fsmove instead of f%$smove.
10901         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
10902
10903 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10904
10905         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
10906         GPR<-GPR moves.
10907
10908 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10909
10910         * real.h (real_format): Add a canonical_nan_lsbs_set field.
10911         (coldfire_single_format): Declare.
10912         (coldfire_double_format): Likewise.
10913         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
10914         of qnan_msb_set to determine the lower bits of a canonical
10915         NaN significand.
10916         (encode_ieee_double): Likewise.
10917         (encode_ieee_quad): Likewise.
10918         (ieee_single_format): Initialize canonical_nan_lsbs_set.
10919         (mips_single_format): Likewise.
10920         (ieee_double_format): Likewise.
10921         (mips_double_format): Likewise.
10922         (ieee_extended_motorola_format): Likewise.
10923         (ieee_extended_intel_96_format): Likewise.
10924         (ieee_extended_intel_128_format): Likewise.
10925         (ieee_extended_intel_96_round_53_format): Likewise.
10926         (ibm_extended_format): Likewise.
10927         (mips_extended_format): Likewise.
10928         (ieee_quad_format): Likewise.
10929         (mips_quad_format): Likewise.
10930         (vax_f_format): Likewise.
10931         (vax_d_format): Likewise.
10932         (vax_g_format): Likewise.
10933         (i370_single_format): Likewise.
10934         (i370_double_format): Likewise.
10935         (decimal_single_format): Likewise.
10936         (decimal_double_format): Likewise.
10937         (decimal_quad_format): Likewise.
10938         (c4x_single_format): Likewise.
10939         (c4x_extended_format): Likewise.
10940         (real_internal_format): Likewise.
10941         (coldfire_single_format): New real_format.
10942         (coldfire_double_format): Likewise.
10943         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
10944         canonical_nan_lsbs_set.
10945         (pdp11_d_format): Likewise.
10946         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
10947         if TARGET_COLDFIRE_CPU.
10948
10949 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10950
10951         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
10952         (output_call, m68k_legitimize_call_address): Declare.
10953         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
10954         parenthesees.  Add support for a 'W' constraint.
10955         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
10956         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
10957         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
10958         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
10959         variables.
10960         (override_options): Initialize them.  Do not set flag_no_function_cse
10961         for TARGET_ID_SHARED_LIBRARY.
10962         (m68k_output_pic_call): Delete.
10963         (m68k_legitimize_call_address): New function.
10964         (print_operand): Remove the %o prefix.  Handle the %p prefix.
10965         (output_call): New function.
10966         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
10967         target address from the GOT if symbolic jumps are not allowed.
10968         * config/m68k/m68k.md (call, general_operand): Do not set
10969         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
10970         Merge separate flag_pic and !flag_pic define_insns into...
10971         (*call, *call_value): ...these new patterns.  Match the address
10972         rather than the containing MEM and require it to be a call_operand.
10973         Use output_call to generate the asm template.
10974         * config/m68k/predicates.md (const_call_operand): New predicate.
10975         (call_operand): Likewise.
10976
10977 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
10978
10979         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
10980         (STACK_GROWS_DOWNWARD): Define to 1.
10981         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
10982         comments, emphasizing that these values are only defaults.
10983         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
10984         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
10985
10986 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
10987
10988         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
10989
10990 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
10991             Richard Sandiford  <richard@codesourcery.com>
10992
10993         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
10994         (FP_REGNO_P): New macros.
10995         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
10996         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
10997         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
10998         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
10999
11000 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
11001
11002         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11003         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
11004         to $tmake_file.
11005         * config/m68k/t-floatlib: New file, extracting common code from...
11006         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
11007         * config/m68k/t-uclinux: Here.
11008         * config/m68k/fpgnulib.c: Do not compile extendeed precision
11009         routines on ColdFire targets.
11010
11011 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
11012
11013         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11014         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
11015         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
11016         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
11017         explicitly set MOTOROLA to 1.
11018         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
11019
11020 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11021             Nathan Sidwell  <nathan@codesourcery.com>
11022
11023         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
11024         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
11025         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
11026         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
11027         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
11028         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
11029         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
11030         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
11031         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
11032         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
11033         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
11034         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
11035         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
11036         (DBX_REGISTER_NUMBER): Delete.
11037         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
11038         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
11039         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
11040
11041 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11042
11043         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
11044         * config/flat.h: New file.
11045         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
11046         OBJECT_FORMAT_FLAT.
11047         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
11048         indirect references for -msep-data or -mid-shared-library.
11049         Do not use PC-relative code addresses either.
11050         * config/m68k/m68k.c (override_options): Restrict -fPIC error
11051         to -mpcrel.
11052         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
11053         for shared libraries and crt1.o for executables.  Use crti.o and
11054         crtbegin.o.
11055         (ENDFILE_SPEC): Use crtend.o and crtn.o.
11056         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
11057         Do not add -elf2flt or -shared-lib-id options here.
11058         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
11059         Pass -shared-lib-id if -mid-shared-library, taking the library
11060         identifier from -mshared-library-id if given, otherwise
11061         defaulting to 0.
11062         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
11063         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
11064         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
11065         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
11066         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
11067         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
11068         and crtend.o.
11069         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
11070         jump sequence for ISA A and ISA A+.
11071         (PICJUMP): Likewise.
11072
11073 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11074
11075         * config.gcc (m68k-*-uclinux*): Base the port on the common
11076         and m68k GNU/Linux files rather than on the generic ELF ones.
11077         * config/m68k/uclinux.h (TARGET_VERSION): Override.
11078         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
11079
11080 2007-01-18  Julian Brown  <julian@codesourcery.com>
11081             Richard Sandiford  <richard@codesourcery.com>
11082
11083         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
11084         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
11085         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
11086         before redefining.
11087         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
11088         80 unconditionally.
11089         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
11090
11091 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
11092
11093         * doc/install.texi: Document m68k-uclinuxoldabi.
11094         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
11095         * config/m68k/uclinux-oldabi.h: New file, copied from
11096         config/m68k/uclinux.h.
11097
11098 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
11099
11100         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
11101         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
11102         (m32r_compute_frame_size): Use unsigned for regno.
11103         (m32r_reload_lr): Use gen_frame_mem.
11104         (pop): New.
11105         (m32r_output_function_epilogue): Don't output the function epilogue
11106         textually here.
11107         (m32r_expand_epilogue): New.
11108         (direct_return): Return false if the function has the interrupt
11109         attribute.
11110         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
11111         * config/m32r/m32r.md (epilogue): New expander.
11112         (return_lr, return_rte): New insns.
11113         (return): Make it expander.
11114         (return_normal): New expander.
11115
11116 2007-01-18  Josh Conner  <jconner@apple.com>
11117
11118         PR target/30485
11119         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
11120         support for UNLE, UNLT, UNGE, and UNGT.
11121
11122 2007-01-18  Jan Hubicka  <jh@suse.cz>
11123
11124         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
11125         * tree-tailcall (add_virtual_phis): Likewise.
11126         (optimize_tail_call): Return TODOs.
11127         (execute_tail_calls): Return TODOs.
11128         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
11129         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
11130         changed.
11131         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
11132         Cleanup cfg using TODO.
11133         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
11134         * passes.c (execute_function_todo): When cleanup did something, remove
11135         unused locals.
11136         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
11137         (make_edges): Don't cleanup_cfg.
11138
11139 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
11140
11141         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
11142         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
11143         operate on the top of stack.
11144         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
11145         register handling of instructions that output to the second
11146         stack slot.
11147         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
11148         (move_for_stack_reg): Special-case check for dead destination
11149         stack slot for constant load of 1.0 inside UNSPEC_TAN.
11150
11151         * config/i386/i386.md (UNSPEC_TAN): New constant.
11152         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
11153         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
11154         to correctly model move of constant 1.0 to top stack slot.
11155         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
11156         (unnamed peephole2 pattern): Remove corresponding peephole2
11157         pattern that optimizes tan insn and loading of constant 1.0.
11158         (tanxf2): Use fptanxf4_i387.
11159         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
11160         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
11161         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
11162         disable patterns for SSE math.
11163         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
11164         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
11165
11166 2007-01-18  Dirk Mueller  <dmueller@suse.de>
11167             Richard Guenther <rguenther@suse.de>
11168
11169         PR diagnostic/8268
11170         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
11171         * common.opt (Warray-bounds): Add new warning option.
11172         * c-opts.c (c_common_handle_option): Define -Warray-bounds
11173         if -Wall is given.
11174         * Makefile.in: make tree-vrp.o depend on toplev.h
11175         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
11176         is enabled.
11177         (check_array_refs, check_array_bounds, check_array_ref): New.
11178
11179 2007-01-18  Jan Hubicka  <jh@suse.cz>
11180
11181         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
11182         (execute_ssa_ccp): Return flags conditionally.
11183         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
11184         changed.
11185         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
11186
11187 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
11188
11189         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
11190         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
11191
11192         * Makefile.c (GTFILES): Add cfglayout.h.
11193         * gengtype.c (open_base_files): Likewise.
11194         * cfglayout.c (cfg_layout_function_footer,
11195         cfg_layout_function_header) Reindent to make gengtype happy.
11196         * cfglayout.h (cfg_layout_function_footer,
11197         cfg_layout_function_header): Add GTY(()) marker.
11198
11199         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
11200
11201 2007-01-18  Ben Elliston  <bje@au.ibm.com>
11202
11203         * genautomata.c (write_automata): Include xstrerror output in the
11204         error message if writing the DFA description file fails.
11205
11206 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
11207
11208         * config/mips/mips-protos.h (mips_output_external): Make it
11209         return void.
11210         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
11211         * config/mips/mips.c (irix_output_external_libcall): Likewise.
11212         (extern_list): Likewise.
11213         (extern_head): Likewise.
11214         (TARGET_ASM_FILE_END): Likewise.
11215         (mips_file_end): Likewise.
11216         (mips_output_external): Rewritten.
11217
11218 2007-01-18  Ben Elliston  <bje@au.ibm.com>
11219
11220         * genpreds.c (write_insn_preds_c): Only write out the function
11221         body for regclass_for_constraint if we have register constraints.
11222
11223 2007-01-17  Tom Tromey  <tromey@redhat.com>
11224
11225         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
11226         * doc/install.texi (Testing): Use sourceware.org.
11227         (Binaries): Likewise.
11228         (Specific): Likewise.
11229         * doc/contrib.texi (Contributors): Use sourceware.org.
11230
11231 2007-01-17  Anatoly Sokolov <aesok@post.ru>
11232
11233         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
11234         (AVR_ENHANCED): Rename to ...
11235         (AVR_HAVE_MUL): ... new.
11236         (avr_enhanced_p): Rename to ...
11237         (avr_have_mul_p): ... new.
11238         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
11239         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
11240         * config/avr/avr.c (avr_enhanced_p): Rename to ...
11241         (avr_have_mul_p): ... new.
11242         (base_arch_s): Rename 'enhanced' to 'have_mul'.
11243         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
11244         'avr_enhanced_p' and 'enhanced'.
11245         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
11246         AVR_HAVE_MUL instead of AVR_ENHANCED.
11247         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
11248         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
11249         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
11250         instead of AVR_ENHANCED.
11251         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
11252         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
11253         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
11254
11255 2007-01-17  Ian Lance Taylor  <iant@google.com>
11256
11257         * vec.h (VEC_reserve_exact): Define.
11258         (vec_gc_p_reserve_exact): Declare.
11259         (vec_gc_o_reserve_exact): Declare.
11260         (vec_heap_p_reserve_exact): Declare.
11261         (vec_heap_o_reserve_exact): Declare.
11262         (VEC_OP (T,A,reserve_exact)): New static inline function, three
11263         versions.
11264         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
11265         negative parameter.
11266         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
11267         (VEC_OP (T,A,copy)) [all versions]: Likewise.
11268         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
11269         * vec.c (calculate_allocation): Add exact parameter.  Change all
11270         callers.
11271         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
11272         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
11273         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
11274         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
11275         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
11276         (vec_heap_p_reserve_exact): New function.
11277         (vec_heap_o_reserve_exact): New function.
11278
11279 2007-01-17  Jan Hubicka  <jh@suse.cz>
11280
11281         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
11282
11283 2007-01-17  Eric Christopher  <echristo@apple.com>
11284
11285         * config.gcc: Support core2 processor.
11286
11287 2007-01-16  Jan Hubicka  <jh@suse.cz>
11288
11289         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
11290         the names, just unlink the chain so we don't crash on dangling pointers
11291         to dead SSA names.
11292
11293 2007-01-16  Jan Hubicka  <jh@suse.cz>
11294
11295         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
11296         * tree-pass.h: Reorder to make IPA passes appear toegher.
11297         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
11298         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
11299         parameters, do not call early inliner.
11300         * ipa-inline.c: Update comments.  Include tree-flow.h
11301         (cgraph_decide_inlining): Do not compute inlining parameters.
11302         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
11303         be called with function context set up.
11304         (pass_ipa_inline): Remove unreachable functions before pass.
11305         (cgraph_early_inlining): Simplify assuming to be called from the
11306         PM as local pass.
11307         (pass_early_inline): New pass.
11308         (cgraph_gate_ipa_early_inlining): New gate.
11309         (pass_ipa_early_inline): Turn into simple wrapper.
11310         (compute_inline_parameters): New function.
11311         (gate_inline_passes): New gate.
11312         (pass_inline_parameters): New pass.
11313         (apply_inline): Move here from tree-optimize.c
11314         (pass_apply_inline): New pass.
11315         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
11316         transforming.
11317         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
11318         doing them by hand.
11319         (tree_function_versioning): Do not allocate dummy struct function.
11320         * tree-inline.h (optimize_inline_calls): Update prototype.
11321         * tree-optimize.c (execute_fixup_cfg): Export.
11322         (pass_fixup_cfg): Remove
11323         (tree_rest_of_compilation): Do not apply inlines.
11324         * tree-flow.h (execute_fixup_cfg): Declare.
11325         * Makefile.in (gt-passes.c): New.
11326         * passes.c: Include gt-passes.h
11327         (init_optimization_passes): New passes.
11328         (nnodes, order): New static vars.
11329         (do_per_function_toporder): New function.
11330         (execute_one_pass): Dump current pass here.
11331         (execute_ipa_pass_list): Don't dump current pass here.
11332
11333 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
11334
11335         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
11336         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
11337
11338 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
11339
11340         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
11341         (strong_alias): Define.
11342         (__gcc_qmul): Provide non-FMA for soft-float.
11343         (__gcc_qdiv): Same.
11344         (__gcc_qneg): New.
11345         (__gcc_qeq): New.
11346         (__gcc_qle): New.
11347         (__gcc_qge): New.
11348         (__gcc_qunord): New.
11349         (__gcc_stoq): New.
11350         (__gcc_dtoq): New.
11351         (__gcc_qtos): New.
11352         (__gcc_qtod): New.
11353         (__gcc_qtoi): New.
11354         (__gcc_qtou): New.
11355         (__gcc_itoq): New.
11356         (__gcc_utoq): New.
11357         (fmsub): New.
11358         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
11359         soft-float functions.
11360         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
11361         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
11362         about long double soft float.
11363
11364 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
11365             Tehila Meyzels  <tehila@il.ibm.com>
11366
11367         * tree-vectorizer.h (is_pattern_stmt_p): New.
11368         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
11369         formatting (tabs instead of spaces). Cleanup and clarify setting
11370         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
11371         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
11372         (vectorizable_type_demotion): Check that types are integral.
11373         (vectorizable_type_promotion): Likewise.
11374         (vectorizable_store): Fix typo.  Eliminate new-line at end of
11375         comments.
11376
11377 2007-01-16  Jan Hubicka  <jh@suse.cz>
11378
11379         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
11380         cgraph edges too.
11381
11382 2007-01-15  Eric Christopher  <echristo@apple.com>
11383
11384         * ifcvt.c: Include vec.h, vecprim.h.
11385         (check_cond_move_block): New argument regs.
11386         Reorganize. Add registers used to regs.
11387         (cond_move_process_if_block): Use regs set above as
11388         loop bounds.
11389
11390 2007-01-15  Eric Christopher  <echristo@apple.com>
11391
11392         * config/darwin.h: Update copyright.
11393         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
11394         (LINK_COMMAND_SPEC): Add -u.
11395         (LINK_SPEC): Fix umbrella for above.
11396
11397 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
11398
11399         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
11400         glibc CVS.
11401
11402 2007-01-15  Tom Tromey  <tromey@redhat.com>
11403
11404         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
11405         * doc/install.texi (Testing): Don't mention jacks.
11406         (Configuration): Document --enable-java-maintainer-mode.  Move
11407         --with-java-home to libgcj-specific section.  Document
11408         --with-ecj-jar.
11409         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
11410
11411 2007-01-15  Jan Hubicka  <jh@suse.cz>
11412
11413         * tree-ssa-dce.c (DCE_TODOs): New.
11414         (propagate_necessity): Return if something changed.
11415         (eliminate_unnecessary_stmts): Likewise.
11416         (perform_tree_ssa_dce): Return TODO flags when needed.
11417         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
11418
11419 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
11420
11421         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
11422         (fyl2x_extend<mode>xf3_i387): New insn pattern.
11423         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
11424         patterns using X87MODEF12 mode macro.  Extend operand 1
11425         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
11426         (log10<mode>2): Ditto.
11427         (log2<mode>2): Ditto.
11428         (log1p<mode>2): Ditto.
11429         (logb<mode>2): Ditto.
11430         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
11431         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
11432         (*fxtractxf3_i387): Rename from *fxtractxf3.
11433         (fxtract_extend<mode>xf3_i387): New insn pattern.
11434         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
11435         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
11436         and gen_fyl2xxf3_i387().
11437
11438 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
11439
11440         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
11441         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
11442         get_loop_exit_edges.  Changed return type to bool.
11443         * cfgloop.h (fix_loop_placement): Declaration removed.
11444
11445 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
11446
11447         * param.h (MIN_VECT_LOOP_BOUND): New.
11448         * params.def (MIN_VECT_LOOP_BOUND): New.
11449         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
11450         argument - minimum threshold for number of iterations.
11451         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
11452         argument to declaration.
11453         * tree-vect-analyze.c (vect_analyze_operations): Check value of
11454         MIN_VECT_LOOP_BOUND.
11455         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
11456         slpeel_tree_peel_loop_to_edge with additional argument.
11457         (vect_do_peeling_for_alignment): Likewise.
11458         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
11459
11460 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
11461
11462         PR target/30413
11463         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
11464         operands of size 1.
11465
11466 2007-01-14  Jan Hubicka  <jh@suse.cz>
11467
11468         * tree-dfa.c (remove_referenced_var): New function.
11469         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
11470         prune referenced vars list too.
11471         * tree-flow.h (remove_referenced_var): Declare.
11472
11473 2007-01-14  Jan Hubicka  <jh@suse.cz>
11474
11475         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
11476         separately.
11477         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
11478         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
11479         * except.h (verify_eh_throw_table_statements): Kill prototype.
11480         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
11481         into call exrepssions.
11482         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
11483         eh trhow verifier.
11484         * tree-cfg.c: Include pointer-set.h.
11485         (verify_node_sharing): Work on pointer set.
11486         (verify_eh_throw_stmt_node): New.
11487         (verify_stmts): Use pointers sets, verify throw_stmt.
11488
11489 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
11490
11491         * ipa-reference.c (analyze_function): Consider also addresses taken
11492         in phi nodes.
11493
11494 2007-01-12  Roger Sayle  <roger@eyesopen.com>
11495
11496         * c-typeck.c (null_pointer_constant_p): Replace use of
11497         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11498         (build_c_cast): Likewise.
11499
11500 2007-01-12  Roger Sayle  <roger@eyesopen.com>
11501
11502         * tree.h (force_fit_type_double): Remove unused final argument.
11503         * c-common.c (constant_expression_warning): Replace use of
11504         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11505         (convert_and_check): Likewise.
11506         (shorten_compare): Update call to force_fit_type_double.
11507         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
11508         * convert.c (convert_to_pointer): Update call to
11509         force_fit_type_double.
11510         * fold-const.c (force_fit_type_double): Remove overflowed_const
11511         argument.
11512         (int_const_binop, fold_convert_const_int_from_int,
11513         fold_convert_const_int_from_real, fold_div_compare,
11514         fold_sign_changed_comparison, fold_unary, fold_negate_const,
11515         fold_abs_const, fold_not_const): Remove the final argument from
11516         calls to force_fit_type_double.
11517
11518 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11519
11520         * configure.ac: Set insn to "nop" for spu-*-* also.
11521         * configure: Regenerate.
11522
11523 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
11524
11525         * builtins.def : Add BUILT_IN_FREE.
11526
11527 2007-01-12  Jan Hubicka  <jh@suse.cz>
11528
11529         PR tree-optimization/30443
11530         * tree-inline.c (tree_function_versioning): Do not optimize when
11531         cloning for inlining.
11532
11533 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
11534
11535         * doc/loop.texi: Document recording of loop exits.
11536         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
11537         (update_single_exits_after_duplication,
11538         update_single_exit_for_duplicated_loop,
11539         update_single_exit_for_duplicated_loops): Removed.
11540         (duplicate_loop_to_header_edge): Do not call
11541         update_single_exits_after_duplication and
11542         update_single_exit_for_duplicated_loops.
11543         (loop_version): Do not update single_exit information.
11544         (fix_loop_structure): Use record_loop_exits instead of
11545         mark_single_exit_loops.
11546         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
11547         the lists of loop exits.
11548         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
11549         split_edge, merge_blocks): Update the lists of loop exits.
11550         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
11551         loop_optimizer_init.
11552         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
11553         of mark_single_exit_loops.
11554         (loop_optimizer_finalize): Call release_recorded_exits.
11555         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
11556         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
11557         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
11558         update single exit information.
11559         * lambda-code.c (perfect_nestify): Ditto.
11560         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
11561         (mark_single_exit_loops): Removed.
11562         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
11563         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
11564         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
11565         functions.
11566         (get_loop_exit_edges, single_exit): Use recorded exit lists.
11567         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
11568         (verify_loop_structure): Verify consistency of the exit lists.
11569         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
11570         (set_single_exit): Removed.
11571         * cfgloop.h (struct loop_exit): New function.
11572         (struct loop): single_exit_ field replaced by exits field.
11573         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
11574         (struct loops): Added exits hash.
11575         (mark_single_exit_loops, set_single_exit): Declaration removed.
11576         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
11577
11578 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11579
11580         * doc/invoke.texi: Avoid use of @headitem.
11581
11582 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11583
11584         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
11585
11586 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11587
11588         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
11589         list of targets.
11590
11591 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11592             Richard Sandiford  <richard@codesourcery.com>
11593
11594         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
11595         * config/m68k/m68k.opt: Resort options.
11596         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
11597
11598 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11599             Richard Sandiford  <richard@codesourcery.com>
11600
11601         * doc/invoke.texi: Document the macros that are defined by
11602         m68k's -mtune and -mhard-float options.
11603         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
11604         (m68k_cpp_cpu_family): Likewise.
11605         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
11606         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
11607         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
11608         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
11609         (m68k_cpp_cpu_family): Likewise.
11610
11611 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11612
11613         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
11614         macros besides mc68000 as tuning macros.  Use a switch statement
11615         to set them and mcpu32.
11616
11617 2007-01-12  Julian Brown  <julian@codesourcery.com>
11618
11619         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
11620         (TARGET_68040_ONLY): Rename to...
11621         (TARGET_68040): ...this.
11622         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
11623         * config/m68k/m68k.md: Likewise.
11624
11625 2007-01-12  Julian Brown  <julian@codesourcery.com>
11626             Nathan Sidwell  <nathan@codesourcery.com>
11627             Richard Sandiford  <richard@codesourcery.com>
11628
11629         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
11630         the -mcpu= argument associated with the --with-cpu setting.
11631         Define M68K_DEFAULT_TUNE to the default -mtune= option,
11632         if different from the one implied by the -mcpu setting.
11633         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
11634         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
11635         * doc/invoke.texi: Mention ColdFire in the introduction to the
11636         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
11637         -mno-div and -mhard-float options.  Make -m68881 a synonym for
11638         -mhard-float.  Document the previously-undocumented -m5206e,
11639         -m528x, -m5307 and -m5407 options.  Tweak the existing option
11640         documentation for consistency.
11641         * doc/install.texi: Mention new --with-cpu arguments.
11642         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
11643         default CPU if neither -mcpu nor -march are specified.
11644         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
11645         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
11646         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
11647         using m68k_tune to decide between families that implement the
11648         same ISA.  Use m68k_tune to set __mcfv4e__.
11649         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
11650         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
11651         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
11652         (FL_ISA_C, FL_ISA_MMU): New macros.
11653         (MASK_COLDFIRE): Delete.
11654         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
11655         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
11656         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
11657         (TARGET_HARD_FLOAT): Do not define here.
11658         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
11659         (TUNE_68000): New macro.
11660         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
11661         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
11662         (TUNE_CFV2): Redefine in terms of m68k_tune.
11663         (uarch_type, target_device, fpu_type): New enums.
11664         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
11665         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
11666         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
11667         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
11668         (FL_FOR_isa_c): New macros.
11669         (m68k_isa): New enum.
11670         (m68k_target_selection): New structure.
11671         (all_devices, all_isas, all_microarchs): New tables.
11672         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
11673         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
11674         (MASK_ALL_CPU_BITS): Delete.
11675         (m68k_find_selection): New function.
11676         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
11677         Map the legacy target options to a combination of the new ones.
11678         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
11679         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
11680         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
11681         settings.
11682         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
11683         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
11684         properties.
11685         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
11686         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
11687         * config/m68k/m68k-devices.def: New file.
11688
11689 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11690             Nathan Sidwell  <nathan@codesourcery.com>
11691
11692         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
11693         (SUBTARGET_EXTRA_SPECS): New macros.
11694         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
11695         use %(asm_cpu_spec) instead.
11696         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
11697         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
11698         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
11699         (EXTRA_SPECS): Rename to...
11700         (SUBTARGET_EXTRA_SPECS): ...this.
11701
11702 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
11703             Richard Sandiford  <richard@codesourcery.com>
11704             Julian Brown  <julian@codesourcery.com>
11705
11706         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11707         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
11708         to the configuration's default CPU.
11709         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
11710         Remove default masks.
11711         (m680[012]0-*-*): Set the default with_cpu to the first part of
11712         the target name.
11713         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
11714         (m68k*-*-linux): Extend the --with-cpu handling to...
11715         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
11716         and m68010.  Don't set target_cpu_default2.
11717         * doc/install.texi: Document --with-cpu for m68k.
11718         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
11719         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
11720         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
11721         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
11722         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
11723         (ASM_SPEC): Remove use of %(asm_cpu_default).
11724         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
11725         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
11726         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
11727         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
11728         __HAVE_FPU__ if TARGET_HARD_FLOAT.
11729         (TARGET_DEFAULT): Delete.
11730         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
11731         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
11732         (CPP_CPU_SPEC): Delete.
11733         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
11734         the appropriate string.
11735         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
11736         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
11737         (ASM_SPEC): Don't use %(asm_default_spec).
11738         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11739         TARGET_DEFAULT and add MASK_68881.
11740         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
11741
11742 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11743
11744         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
11745         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
11746         MASK_68010 alongside MASK_68020.
11747         * doc/invoke.texi: Document -m68010.
11748         * config/m68k/m68k.opt (m68010): New.
11749         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
11750         if TUNE_68010.
11751         (TUNE_68010): New macro.
11752         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
11753         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
11754         (M68K_CPU_m68332): Add MASK_68010.
11755         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
11756         fallback definition.
11757         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
11758         defines.
11759         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
11760         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
11761         to all entries that use MASK_68020.
11762         (output_move_simode_const, output_move_himode, output_move_qimode)
11763         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
11764         instead of TARGET_68020 to select clr behavior.  Remove comment
11765         about there being no TARGET_68010.
11766         * config/m68k/m68k.md: Likewise throughout.
11767
11768 2007-01-12  Julian Brown  <julian@codesourcery.com>
11769
11770         * config/m68k/m68k.h (TARGET_ISAB): New macro.
11771         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
11772         * config/m68k/m68k.md: Likewise.
11773
11774 2007-01-12  Julian Brown  <julian@codesourcery.com>
11775
11776         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
11777         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
11778
11779 2007-01-12  Julian Brown  <julian@codesourcery.com>
11780
11781         * config/m68k/m68k.h (TUNE_68040_60): New macro.
11782         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
11783         * config/m68k/m68k.md: Likewise.
11784
11785 2007-01-12  Julian Brown  <julian@codesourcery.com>
11786             Richard Sandiford  <richard@codesourcery.com>
11787
11788         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
11789         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
11790         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
11791         TARGET_CPU32.
11792         (TARGET_CPU32): Rename to...
11793         (TUNE_CPU32): ...this.
11794         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
11795         (TUNE_CFV2): New macros.
11796         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
11797         remove conditions that are implied by TARGET_68020.
11798         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
11799         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
11800         (m68k_output_function_epilogue): Likewise.
11801         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
11802         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
11803         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
11804         non-68000 timings.  Refactor multiplication and division costs.
11805         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
11806         TUNE_CPU32 instead of TARGET_CPU32.
11807         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
11808         and TUNE_68060 instead of TARGET_68060.
11809         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
11810         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
11811         TARGET_CPU32.
11812         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
11813         && !TARGET_COLDFIRE" to choose between moveq and clr.
11814         Likewise in the unnamed movsf pattern.
11815         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
11816         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
11817         ashiftrt pattern.
11818
11819 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
11820
11821         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
11822         of tabbing before backslashes.
11823
11824 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11825
11826         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
11827         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
11828         (ASM_OUTPUT_INTERNAL_LABEL): Define.
11829
11830 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
11831
11832         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
11833         find_interesting_uses_cond.
11834         (find_interesting_uses_cond): Use extract_cond_operands.
11835         (rewrite_use_compare): Use extract_cond_operands and
11836         force_gimple_operand_bsi.  Do not call update_stmt.
11837         (determine_use_iv_cost_condition): Use extract_cond_operands.
11838         Return cheaper of using original bound and changing the exit bound.
11839
11840 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
11841
11842         PR tree-optimization/29516
11843         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
11844         most_expensive_mult_to_index, addr_to_parts,
11845         create_mem_ref, maybe_fold_tmr): Make the type of
11846         fields of TARGET_MEM_REF sizetype.
11847         (move_fixed_address_to_symbol, move_pointer_to_base):
11848         New functions.
11849         * tree.def (TARGET_MEM_REF): Add comment on types of
11850         the operands.
11851
11852 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
11853
11854         * c-common.c (vector_types_convertible_p): Treat opaque types as
11855         always convertible if they have the same size, but not otherwise.
11856
11857 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
11858
11859         * ifcvt.c (struct noce_if_info): Add comments to the fields.
11860         Remove the b_unconditional field.
11861         (noce_try_sign_mask): Do not look at b_unconditional.
11862         (noce_process_if_block): Do not use merge_if_blocks.  Update
11863         the CFG here.  Do not set b_unconditional.
11864         (cond_move_process_if_block): Likewise.
11865         (find_cond_trap): Likewise.
11866         (check_cond_move_block): Require simple jump insns at the end
11867         of the basic block.
11868
11869 2007-01-11  Jan Hubicka  <jh@suse.cz>
11870
11871         PR tree-optimization/1046
11872         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
11873         when alias info is not ready.
11874         (pass_tail_recursion): Do not require aliasing.
11875         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
11876         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
11877         * tree-ssa-copy.c (pass_copy_prop): Likewise.
11878         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
11879         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
11880         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
11881         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
11882         before inlining.
11883         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
11884         When aliasing is not build, mark statement as volatile.
11885
11886 2007-01-11  Tom Tromey  <tromey@redhat.com>
11887
11888         PR preprocessor/15185, PR preprocessor/20989:
11889         * doc/cppopts.texi <-MT>: Update description of algorithm for
11890         computing default target.
11891         <-M, -MD>: Reword "basename" text.
11892
11893 2007-01-11  Roger Sayle  <roger@eyesopen.com>
11894
11895         * builtins.c (expand_builtin_pow, expand_builtin_powi,
11896         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
11897         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
11898         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
11899         fold_builtin_bswap, real_constp, fold_builtin_pow,
11900         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
11901         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
11902         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11903         * convert.c (convert_to_pointer): Likewise.
11904         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
11905         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
11906         const_binop, fold_convert_const_int_from_int,
11907         fold_convert_const_int_from_real,
11908         fold_convert_const_real_from_real, sign_bit_p,
11909         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
11910         fold_sign_changed_comparison, fold_unary, fold_comparison,
11911         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
11912         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
11913         * print-tree.c (print_node_brief, print_node): Likewise.
11914         * stor-layout.c (place_field, layout_type): Likewise.
11915         * tree-chrec.c (keep_cast): Likewise.
11916         * tree.c (build_vector, build_real, build_real_from_int_cst,
11917         build_complex): Likewise.
11918
11919 2007-01-11  Roger Sayle  <roger@eyesopen.com>
11920
11921         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
11922         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
11923
11924 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
11925
11926         * configure.ac (strict1_warn): Rename to strict_warn.
11927         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
11928         cc_set_by_configure, quoted_cc_set_by_configure,
11929         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
11930         all_boot_languages, all_stagestuff): Remove.
11931         (target_list): Remove bootstrap targets.
11932         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
11933         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
11934         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
11935         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
11936         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
11937         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
11938         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
11939         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
11940         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
11941         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
11942         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
11943         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
11944         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
11945         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
11946         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
11947         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
11948         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
11949         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
11950         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
11951         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
11952         (mostlyclean): Adjust.
11953         (clean, distclean): Don't mention bootstrap stuff.
11954         * configure: Regenerate.
11955         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
11956         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
11957         treelang/config-lang.in (stagestuff): Remove.
11958         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
11959         stageprofile, stagefeedback, stagestuff): Remove mention.
11960
11961 2007-01-11  Nick Clifton  <nickc@redhat.com>
11962
11963         * config/mcore/predicates.md (mcore_general_movesrc_operand):
11964         Accept CONSTs.
11965         (mcore_general_movdst_operand): Do not accept CONST_INTs.
11966         (mcore_arith_K_S_operand): Run the test for the S constraint not
11967         the test for the M constraint.
11968         (mcore_addsub_operand): Do not accept integer values that are
11969         larger than 32 bits.
11970         * config/mcore/mcore.md: Remove unused constraints from split.
11971         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
11972         (addsi3): Likewise.
11973         (allocate_stack): Likewise.
11974         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
11975         operands to 32 bits.
11976         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
11977         INTVAL.
11978         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
11979         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
11980         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
11981         mcore_output_bclri, mcore_output_andn, output_inline_const,
11982         mcore_output_move, mcore_output_movedouble): Likewise.
11983         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
11984         (output_inline_const): Likewise.
11985         (output_inline_const): Fix format strings used in sprintf
11986         statements.
11987         * config/mcore/mcore-protos.h: Update prototypes for changed
11988         functions in mcore.c.
11989         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
11990         HOST_WIDE_INT and not int.
11991         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
11992         CONST_OK_FOR_N): Likewise.
11993         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
11994         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
11995         an INTVAL.
11996
11997 2007-01-10  Jan Hubicka  <jh@suse.cz>
11998
11999         * tree-vrp.c (remove_range_assertions): Release defs.
12000         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
12001         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
12002
12003 2007-01-10  Paul Brook  <paul@codesourcery.com>
12004
12005         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
12006         * config/arm/arm.md (mulsi3subsi): New insn.
12007
12008 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
12009
12010         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
12011         (tree_transform_and_unroll_loop): New.
12012         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
12013         Declare.
12014
12015 2007-01-10  Robert Kennedy <jimbob@google.com>
12016
12017         * fold-const.c (fold_comparison): Fold comparisons like (x *
12018         1000 < 0) to (x < 0).
12019
12020 2007-01-10  Ian Lance Taylor  <iant@google.com>
12021
12022         * tree-pretty-print.c (dump_generic_node): Print parentheses when
12023         operands have the same priority.
12024
12025 2007-01-10  Tom Tromey  <tromey@redhat.com>
12026
12027         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
12028         (fold_binary): Likewise.
12029         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
12030         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
12031         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
12032         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
12033         * langhooks.h (struct lang_hooks): Removed field
12034         'can_use_bit_fields_p'.
12035
12036 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
12037
12038         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
12039
12040 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
12041
12042         * function.c (get_last_funcdef_no): New function.
12043         * function.h (get_last_funcdef_no): Declare.
12044         * tree-inline.c (initialize_cfun): Add initialization.
12045         (tree_function_versioning): Cleanup.
12046
12047 2007-01-10  Jan Hubicka  <jh@suse.cz>
12048
12049         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
12050         PHIs.
12051
12052 2007-01-10  Sa Liu  <saliu@de.ibm.com>
12053             Ben Elliston  <bje@au.ibm.com>
12054
12055         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
12056         for SAVE_NONLOCAL and Pmode for any other save level.
12057         * spu-protos.h (spu_restore_stack_block): Declare.
12058         * spu.md (save_stack_block): Remove.
12059         (restore_stack_block): Call spu_restore_stack_block.
12060         * spu.c (spu_restore_stack_block): New function.
12061         (spu_expand_epilogue): Remove old comment.
12062
12063 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
12064
12065         PR tree-optimization/30322
12066         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
12067         (cand_value_at): Return the value as aff_tree.
12068         (may_eliminate_iv): Convert the bound from aff_tree to tree.
12069         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
12070         aff_combination_mult): New functions.
12071         (aff_combination_add): Use aff_combination_add_cst.
12072         (aff_combination_convert): Allow conversions to a wider type.
12073         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
12074         * tree-affine.h (aff_combination_mult): Declare.
12075
12076 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
12077
12078         * doc/tm.texi: Update documentation to reflect reality of exec
12079         and start file search behaviours. Update copyright year.
12080         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
12081         header file directories.
12082
12083 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
12084
12085         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
12086         (*cosxf2): Rename to cosxf2_i387.
12087         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
12088         using X87MODEF12 mode macro. Rename patterns to
12089         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
12090         for SSE math.
12091         (*cosdf2, *cossf2): Ditto.
12092         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
12093         to match extended input operands.
12094         (sincos<mode>3): New expander.
12095         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
12096         insn patterns and corresponding splitters.
12097
12098 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
12099
12100         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
12101         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
12102
12103 2007-01-09  Nicolas Pitre  <nico@cam.org>
12104
12105         PR target/30173
12106         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
12107
12108 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
12109
12110         * target.h (struct gcc_target): New field library_rtti_comdat.
12111         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
12112         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
12113         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
12114         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
12115
12116 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
12117
12118         * doc/invoke.texi (Optimize Options): Correct description of -O0.
12119
12120 2007-01-08  Richard Guenther  <rguenther@suse.de>
12121
12122         * tree.h (force_fit_type_double): Export.
12123         (force_fit_type): Remove.
12124         * fold-const.c (force_fit_type_double): New function.
12125         (force_fit_type): Remove.
12126         (int_const_binop): Use it.
12127         (fold_convert_const_int_from_int): Likewise.
12128         (fold_convert_const_int_from_real): Likewise.
12129         (fold_div_compare): Likewise.
12130         (fold_sign_changed_comparison): Likewise.
12131         (fold_unary): Likewise.
12132         (fold_negate_const): Likewise.
12133         (fold_abs_const): Likewise.
12134         (fold_not_const): Likewise.
12135         * c-common.c (shorten_compare): Use force_fit_type_double.
12136         * convert.c (convert_to_pointer): Likewise.
12137
12138 2007-01-08  Richard Guenther  <rguenther@suse.de>
12139
12140         * tree.h (build_int_cst_wide_type): Export.
12141         * tree.c (build_int_cst_wide_type): New function.
12142         (build_int_cst_wide): Fix comment.
12143         * builtins.c (fold_builtin_object_size): Use build_int_cst
12144         to build -1 or 0 of the correct type.  Use fit_double_type
12145         to check for overflow.
12146         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
12147         to build the mask.
12148         (decode_field_reference): Likewise.
12149         (all_ones_mask_p): Likewise.
12150         (native_interpret_int): Use build_int_cst_wide_type.
12151         (fold_binary): Use build_int_cst_type to build an all-ones
12152         value.
12153         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
12154
12155 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
12156
12157         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
12158
12159 2007-01-09  Ben Elliston  <bje@au.ibm.com>
12160
12161         * genautomata.c (STATS_OPTION): New option.
12162         (stats_flag): New flag.
12163         (gen_automata_option): Handle it.
12164         (initiate_automaton_gen): Ditto.
12165         (write_automata): Output statistics only if stats_flag is
12166         set. Likewise, output time statistics only if time_flag is set.
12167         * doc/md.texi (Processor pipeline description): Document new flag.
12168
12169 2007-01-08  Richard Guenther  <rguenther@suse.de>
12170
12171         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
12172         * tree.c (build_int_cst_type): Likewise.
12173         (size_in_bytes): Don't call force_fit_type on the result.
12174         (int_fits_type_p): Use fit_double_type.
12175         * fold-const.c (fit_double_type): New function.
12176         (force_fit_type): Use it.
12177         * tree.h (fit_double_type): Export.
12178
12179 2007-01-08  Jan Hubicka  <jh@suse.cz>
12180
12181         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
12182         * ipa.c (function_and_variable_visibility): Fix return type.
12183
12184 2007-01-08  Richard Guenther  <rguenther@suse.de>
12185
12186         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
12187         of offset to build the index.
12188         * tree-pretty-print.c (dump_generic_node): Don't build negated
12189         const just for printing.
12190         * c-pretty-print.c (pp_c_integer_constant): Likewise.
12191         * builtins.c (fold_builtin_int_roundingfn): Check if result
12192         fits the type by using force_fit_type and comparing the result.
12193         * predict.c (predict_loops): Use compare_tree_int for comparison.
12194         * tree.c (build_int_cst): Fall back to integer_type_node for
12195         NULL_TREE type.
12196         (build_int_cst_wide): Assert type is non-null.
12197
12198 2007-01-08  Roberto Costa  <roberto.costa@st.com>
12199
12200         * tree-vrp.c (extract_range_from_cond_expr): New.
12201         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
12202         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
12203         as expressions.
12204         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
12205         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
12206         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
12207         used as expressions.
12208         * tree-object-size.c (cond_expr_object_size): New.
12209         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
12210
12211 2007-01-08  Jan Hubicka  <jh@suse.cz>
12212
12213         * tree-ssa-forwprop.c (forward_propagate_into_cond,
12214         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
12215         statement.
12216
12217 2007-01-08  Richard Guenther  <rguenther@suse.de>
12218
12219         PR tree-optimization/23603
12220         * tree-vrp.c (set_value_range_to_truthvalue): New function.
12221         (extract_range_from_binary): Fall back to truthvalue instead of
12222         varying for TRUTH_*_EXPR.
12223         (extract_range_from_comparison): Fall back to truthvalue instead of
12224         varying.
12225         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
12226         if all visited PHI values were constant.
12227
12228 2007-01-08  Jan Hubicka  <jh@suse.cz>
12229
12230         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
12231         (cgraph_analyze_function): break out from ...
12232         (cgraph_finalize_compilation_unit): ... here.
12233         (cgraph_expand_function): Remove forgoten commented out line.
12234         (cgraph_optimize): Analyze functions.
12235
12236 2007-01-08  Jan Hubicka  <jh@suse.cz>
12237
12238         * tree-pas.h (TODO_remove_function): New flag.
12239         (TODO_update*): Renumber.
12240         (pass_ipa_increase_alignment,
12241         pass_ipa_function_and_variable_visibility): New passes.
12242         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
12243         (cgraph_function_and_variable_visibility): Move to ipa.c
12244         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
12245         cgraph_increase_alignment.
12246         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
12247         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
12248         calling tree-inline.
12249         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
12250         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
12251         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
12252         (gate_increase_alignment): New function.
12253         (pass_ipa_increase_alignment): New pass.
12254         * ipa.c: Inline tree-pass.h and timevar.h
12255         (function_and_variable_visibility): Move here from cgraphunit.c
12256         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
12257         * passes.c (init_optimization_passes): Add the two new passes.
12258         (execute_todo): Handle cgraph_remove_functions.
12259
12260 2007-01-08  Nick Clifton  <nickc@redhat.com>
12261
12262         * config/frv/predicates.md (reg_or_0_operand): Accept
12263         CONST_DOUBLEs.
12264
12265 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
12266
12267         * config/bfin/rtems.h, config/bfin/t-rtems: New.
12268         * config.gcc: Add bfin*-rtems*.
12269
12270 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
12271
12272         * c.opt: Add -flax-vector-conversions.
12273         * c-typeck.c (convert_for_assignment): Pass flag to
12274         vector_types_convertible_p to allow emission of note.
12275         (digest_init): Likewise.
12276         * c-opts.c: Handle -flax-vector-conversions.
12277         * c-common.c (flag_lax_vector_conversions): New.
12278         (vector_types_convertible_p): Unless -flax-vector conversions
12279         has been passed, disallow conversions between vectors with
12280         differing numbers of subparts and/or element types.  If such
12281         a conversion is disallowed, possibly emit a note on the first
12282         occasion only to inform the user of -flax-vector-conversions.
12283         The new last argument specifies this.
12284         * c-common.h (flag_lax_vector_conversions): New.
12285         (vector_types_convertible_p): Add extra argument.
12286         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
12287         char_type_node for V*QI type vectors.
12288         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
12289         Update to satisfy new typechecking rules.
12290         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
12291         C and C++ variants.
12292         * doc/invoke.texi (C Dialect Options): Document
12293         -flax-vector-conversions.
12294
12295 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
12296
12297         PR tree-optimization/29877
12298         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
12299         a register variable on the RHS to not be replaceable.
12300
12301 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
12302         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
12303         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
12304         const_simm15, const_pow2, const_npow2): Added.
12305         * config/score/misc.md (insv, extv, extzv, movmemsi,
12306         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
12307         * config/score/score.c (score_address_cost, score_select_cc_mode):
12308         Added.
12309         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
12310         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
12311         Update score_print_operand.
12312         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
12313         Adjust register allocate order and update some macro define.
12314         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
12315         mdx_block_move_straight, mdx_block_move_loop_head,
12316         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
12317         mdx_block_move): Added.
12318         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
12319         mdp_limm): Updated and fix some bug and typo.
12320         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
12321         (movsf, movdf, doloop_end): Added.
12322
12323 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
12324
12325         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
12326         config/arm/thumb2.md: Fix comment typos.
12327         * doc/extend.texi: Fix a typo.
12328
12329 2007-01-07  Eric Christopher  <echristo@apple.com>
12330
12331         * configure.ac: Check for __stack_chk_fail for darwin.
12332         * configure: Regenerate.
12333
12334 2007-01-07  Richard Guenther  <rguenther@suse.de>
12335
12336         * tree-vrp.c (extract_range_from_assert): CSE calls to
12337         compare_values where possible.
12338         (extract_range_from_unary_expr): Likewise.
12339
12340 2007-01-07  Anatoly Sokolov <aesok@post.ru>
12341
12342         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
12343         * config/avr/avr.c (call_insn_operand): Delete function.
12344         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
12345         instead of register number. Use predicates.
12346         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
12347         call_insn_operand): Add.
12348
12349 2007-01-06  Jan Hubicka  <jh@suse.cz>
12350
12351         * tree-pass.h (pass_build_cgraph_edges): Declare.
12352         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
12353         (visited_nodes): Remove.
12354         (cgraph_create_edges): Move to cgraphbuild.c; rename to
12355         build_cgrpah_edges; make visited_nodes local.
12356         (cgraph_process_new_functions): DO not call initialize_inline_failed.
12357         (record_references_in_initializer): Move to cgraphbuild.c
12358         (initialize_inline_failed, rebuild_cgraph_edges,
12359         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
12360         (verify_cgraph_node): Make visited_nodes local.
12361         (cgraph_analyze_function): Do not call cgraph_create_edges and
12362         initialize_inline_failed.
12363         (cgraph_expand_function): Do not call cgraph_lower_function;
12364         assert that function is already lowered.
12365         * Makefile.in (cgraphbuild.o): New.
12366         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
12367         at the end of lowering passes.
12368
12369 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
12370
12371         * ifcvt.c (cond_move_convert_if_block): New function, code
12372         factored out from...
12373         (cond_move_process_if_block): ...here.  Call the new function
12374         on the THEN and ELSE blocks.
12375         (merge_if_block): Do not copy global_live_at_end, merge_blocks
12376         already takes care of this.
12377
12378 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12379
12380         PR c/19978
12381         * tree.h (TREE_OVERFLOW_P): New.
12382         * c-typeck.c (parser_build_unary_op): Warn only if result
12383         overflowed and operands did not.
12384         (parser_build_binary_op): Likewise.
12385         (convert_for_assignment): Remove redundant overflow_warning.
12386         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
12387
12388 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12389
12390         * c-typeck.c (store_init_value): Split over two lines to follow
12391         the GNU coding style.
12392
12393 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
12394
12395         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
12396         __GXX_EXPERIMENTAL_CXX0X__.
12397         * doc/cpp.texi: Same.
12398
12399 2007-01-05  Richard Guenther  <rguenther@suse.de>
12400
12401         PR middle-end/27826
12402         * tree.c (get_narrower): Do not construct COMPONENT_REFs
12403         with mismatched types.  Instead explicitly build a
12404         conversion NOP_EXPR.
12405
12406 2007-01-05  Ian Lance Taylor  <iant@google.com>
12407
12408         * c-common.c (decl_with_nonnull_addr_p): New function.
12409         (c_common_truthvalue_conversion): Call it.
12410         * c-typeck.c (build_binary_op): Likewise.
12411         * c-common.h (decl_with_nonnull_addr_p): Declare.
12412
12413 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
12414
12415         PR c/30360
12416         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
12417         denom against 0.0.
12418
12419 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
12420
12421         * doc/install.texi (Final install): Document the fact that
12422         the GNAT runtime should not be stripped.
12423
12424 2007-01-04  Jan Hubicka  <jh@suse.cz>
12425
12426         * tree-inline.c (fold_marked_statements): Update operand caches
12427         and EH after folding
12428
12429 2007-01-04  Ian Lance Taylor  <iant@google.com>
12430
12431         * c-common.c (check_function_nonnull): Whitespace fix.
12432
12433 2007-01-04  Jan Hubicka  <jh@suse.cz>
12434
12435         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
12436         comitted older version of patch.
12437         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
12438         function, celanup cfg and collect garbage.
12439
12440 2007-01-04  Mike Stump  <mrs@apple.com>
12441
12442         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
12443         (clean): Likewise.
12444
12445 2007-01-04  Eric Christopher  <echristo@apple.com>
12446
12447         * libgcc2.c (__bswapsi2): Use SItype.
12448         (__bswapdi2): Use DItype.
12449         * libgcc2.h: Update for above.
12450
12451 2007-01-04  Paul Brook  <paul@codesourcery.com>
12452
12453         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
12454         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
12455         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
12456         umulsidi3, umulsidi3adddi, smulsi3_highpart,
12457         umulsi3_highpart): Make conditional on !arm_arch6.
12458         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
12459         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
12460         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
12461         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
12462         umulsi3_highpart_v6): New insns.
12463
12464 2007-01-04  Roger Sayle  <roger@eyesopen.com>
12465
12466         * fold-const.c (fold_convert): When casting an expression to void,
12467         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
12468         have a type.  Instead of attempting to build a NOP_EXPR, return
12469         these "special" trees directly.
12470
12471 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
12472
12473         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
12474         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
12475         rs6000_cost->fp not 0 as adjustment for outer NEG.
12476
12477 2007-01-04  Jan Hubicka  <jh@suse.cz>
12478
12479         * cgraph.c (cgraph_release_function_body): New function.
12480         (cgraph_remove_node): Use it.
12481         * cgraph.h (cgraph_release_function_body): Declare.
12482         * cgraphunit.c (cgraph_expand_function): Use it.
12483         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
12484         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
12485         is initialized and while compilation of other function is running.
12486         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
12487         statement CFG annotations from here to ...
12488         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
12489
12490 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
12491
12492         * cfgloop.h (enum li_flags): Make the constants powers of two.
12493
12494 2007-01-04  Jan Hubicka  <jh@suse.cz>
12495
12496         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
12497         set.
12498         (fold_marked_statements): New function.
12499         (optimize_inline_calls, tree_function_versioning): Fold new statements.
12500         * tree-inline.h (copy_body_data): Add statements_to_fold.
12501
12502 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
12503
12504         * config.gcc: Mention libgcc/config.host.
12505         * Makefile.in: Update comments mentioning libgcc.
12506         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
12507         (all.cross, start.encap, rest.encap, rest.cross): Update
12508         dependencies for libgcc move.
12509         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
12510         (clean-target, clean-target-libgcc): Delete.
12511         (srcdirify, GCC_EXTRA_PARTS): New macros.
12512         (libgcc-support, libgcc.mvars): New rules.
12513         (distclean): Remove mention of mklibgcc.
12514         (install): Don't reference INSTALL_LIBGCC.
12515         (install-common): Don't reference EXTRA_PARTS.
12516         (install-libgcc, install-multilib): Delete rules.
12517         * mklibgcc.in: Delete file.
12518         * doc/configfiles.texi: Don't mention mklibgcc.
12519
12520         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
12521         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
12522         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
12523         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
12524         (mklibgcc, ldblspecs): Likewise.
12525
12526         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
12527         (posixpre.def): Use $(T).
12528         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
12529         (SHLIB_SRC, SHLIB_INSTALL): Delete.
12530         (SHLIB_LINK): Make dummy.
12531         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
12532
12533         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
12534
12535         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
12536         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
12537         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
12538         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
12539
12540         * configure.ac (all_outputs): Remove mklibgcc.
12541         * configure: Regenerated.
12542
12543 2007-01-03  Josh Conner  <jconner@apple.com>
12544
12545         PR middle-end/29683
12546         * calls.c (compute_argument_addresses): Set stack and stack_slot
12547         for partial args, too.
12548         (store_one_arg): Use locate.size.constant for the size when
12549         generating a save_area.
12550
12551 2007-01-03  Robert Kennedy <jimbob@google.com>
12552
12553         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
12554         whose definitions are deleted due to basic block merging.
12555
12556 2007-01-03  Paul Brook  <paul@codesourcery.com>
12557
12558         PR target/16634
12559         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
12560         functions.
12561         (use_return_insn): Return 0 for Thumb interrupt functions.
12562         (print_multi_reg): Add rfe argument for IRQ returns.
12563         (arm_output_epilogue): Pop interrupt return address directly into PC.
12564         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
12565
12566 2007-01-03  Paul Brook  <paul@codesourcery.com>
12567
12568         Merge from sourcerygxx-4_1.
12569         * config/arm/thumb2.md: New file.
12570         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
12571         Thumb-2.
12572         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
12573         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12574         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
12575         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
12576         tables.
12577         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12578         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
12579         comptibility.
12580         * config/arm/ieee754-sf.S: Ditto.
12581         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
12582         (thumb1_base_register_rtx_p): ... to this.
12583         (thumb_index_register_rtx_p): Rename...
12584         (thumb1_index_register_rtx_p): ... to this.
12585         (thumb_output_function_prologue): Rename...
12586         (thumb1_output_function_prologue): ... to this.
12587         (thumb_legitimate_address_p): Rename...
12588         (thumb1_legitimate_address_p): ... to this.
12589         (thumb_rtx_costs): Rename...
12590         (thumb1_rtx_costs): ... to this.
12591         (thumb_compute_save_reg_mask): Rename...
12592         (thumb1_compute_save_reg_mask): ... to this.
12593         (thumb_final_prescan_insn): Rename...
12594         (thumb1_final_prescan_insn): ... to this.
12595         (thumb_expand_epilogue): Rename...
12596         (thumb1_expand_epilogue): ... to this.
12597         (arm_unwind_emit_stm): Rename...
12598         (arm_unwind_emit_sequence): ... to this.
12599         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
12600         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
12601         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
12602         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
12603         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
12604         thumb2_output_casesi): New functions.
12605         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
12606         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
12607         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
12608         THUMB2_WORK_REGS): Define.
12609         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
12610         arm_condexec_mask, arm_condexec_masklen)): New variables.
12611         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
12612         (arm_override_options): Check new CPU capabilities.
12613         Set new architecture flag variables.
12614         (arm_isr_value): Handle v7m interrupt functions.
12615         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
12616         Thumb-2.
12617         (const_ok_for_arm): Handle Thumb-2 constants.
12618         (arm_gen_constant): Ditto.  Use movw when available.
12619         (arm_function_ok_for_sibcall): Return false for v7m interrupt
12620         functions.
12621         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
12622         (thumb_find_work_register, arm_load_pic_register,
12623         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
12624         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
12625         print_multi_reg, output_mov_long_double_fpa_from_arm,
12626         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
12627         output_mov_double_fpa_from_arm, output_move_double,
12628         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
12629         output_return_instruction, arm_output_function_prologue,
12630         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
12631         arm_output_mi_thunk, thumb_set_return_address): Ditto.
12632         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
12633         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
12634         (arithmetic_instr, shift_op): Use arm_shift_nmem.
12635         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
12636         '!' and 'L'.
12637         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
12638         (thumb_expand_prologue): Use thumb_set_frame_pointer.
12639         (arm_file_start): Output directive for unified syntax.
12640         (arm_unwind_emit_set): Handle stack alignment instruction.
12641         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
12642         Add v6t2, v7, v7a, v7r and v7m.
12643         (RETLDM): Add Thumb-2 code.
12644         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
12645         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
12646         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
12647         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
12648         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
12649         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
12650         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
12651         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
12652         ADJUST_INSN_LENGTH): Define.
12653         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
12654         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
12655         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
12656         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
12657         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
12658         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
12659         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
12660         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
12661         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
12662         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
12663         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
12664         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
12665         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
12666         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
12667         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
12668         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
12669         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
12670         cortex-m3.
12671         * config/arm/arm-tune.md: Regenerate.
12672         * config/arm/arm-protos.h: Update prototypes.
12673         * config/arm/vfp.md: Enable patterns for Thumb-2.
12674         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
12675         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
12676         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
12677         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
12678         * config/arm/libunwind.S: Add Thumb-2 code.
12679         * config/arm/constraints.md: Update include Thumb-2.
12680         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
12681         * config/arm/ieee754-df.S: Ditto.
12682         * config/arm/bpabi.S: Ditto.
12683         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
12684         * config/arm/predicates.md (low_register_operand,
12685         low_reg_or_int_operand, thumb_16bit_operator): New.
12686         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
12687         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
12688         * config/arm/t-arm-elf: Add armv7 multilib.
12689         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
12690         Include thumb2.md.
12691         (UNSPEC_STACK_ALIGN, ce_count): New.
12692         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
12693         arm_zero_extendsidi2, arm_zero_extendqidi2): New
12694         insns/expanders.
12695         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
12696         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
12697         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
12698         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
12699         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
12700         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
12701         insns.
12702         * doc/extend.texi: Document ARMv7-M interrupt functions.
12703         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
12704
12705 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
12706
12707         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
12708         (struct _Unwind_Context): Rename args_size to flags, remove
12709         signal_frame field, add a new args_size field and version field.
12710         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
12711         _Unwind_IsExtendedContext): New inline functions.
12712         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12713         Assume by_value array is only present if _Unwind_IsExtendedContext.
12714         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
12715         _Unwind_IsSignalFrame.
12716         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
12717         (uw_update_context_1): Use _Unwind_SetSignalFrame.
12718         (uw_init_context_1): Initialize context->flags to
12719         EXTENDED_CONTEXT_BIT.
12720         * config/rs6000/linux-unwind.h (frob_update_context): Use
12721         _Unwind_SetSignalFrame.
12722
12723 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12724
12725         PR middle-end/30353
12726         * gimplify.c (gimplify_modify_expr_complex_part): Move below
12727         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
12728         the value.
12729
12730 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
12731
12732         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
12733         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
12734         RET, AT_SP): Remove.
12735         * config/i386/i386.md (*sse_prologue_save_insn): Use return
12736         instead of RET.
12737
12738         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12739         * cfgbuild.c (find_basic_blocks): Likewise.
12740         * cfgrtl.c (rtl_create_basic_block): Likewise.
12741         * function.c (temp_slots_at_level): Likewise.
12742         * reg-stack.c (stack_regs_mentioned): Likewise.
12743         * regclass.c (allocate_reg_info): Likewise.
12744         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12745         set_bb_for_stmt, move_block_to_fn): Likewise.
12746         * tree-complex.c (tree_lower_complex): Likewise.
12747         * vec.h (VEC_safe_grow_cleared): New.
12748
12749         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
12750
12751 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
12752
12753         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
12754         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
12755         to loop_version.
12756         * cfgloopmanip.c (scale_loop_frequencies): Export.
12757         (loopify): Scale the frequencies by prescribed coefficients.
12758         (set_zero_probability): New function.
12759         (duplicate_loop_to_header_edge): Improve updating of frequencies.
12760         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
12761         and frequencies according to arguments.
12762         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
12763         correctly.
12764         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
12765         * modulo-sched.c (sms_schedule): Set probabilities for entering
12766         versioned loop correctly.
12767         * tree-vect-transform.c (vect_transform_loop): Ditto.
12768         * cfgloop.h (loopify, loop_version): Declaration changed.
12769         (scale_loop_frequencies): Declared.
12770
12771 2007-01-02  Jan Hubicka  <jh@suse.cz>
12772
12773         * cgraph.c: Include tree-flow.h
12774         (cgraph_add_new-function): Handle IPA_SSA mode; execute
12775         early_local_passes.
12776         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
12777         * tree-pass.h (pass_all_early_optimizations): Declare.
12778         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
12779         early_local_passes.
12780         (cgraph_analyze_function): Do early_local_passes.
12781         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12782         Do not add referenced vars.
12783         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
12784         SSA form.
12785         (gate_all_early_local_passes): New gate.
12786         (pass_early_local_passes): Use new gate.
12787         (execute_early_local_optimizations): New functions.
12788         (gate_all_early_optimizations): New gate.
12789         (pass_all_early_optimizations): New pass.
12790         (execute_free_datastructures): Free SSA only when initialized.
12791         (gate_init_datastructures): Init only when optimizing.
12792         (tree_lowering_passes): Do early local passes when called late.
12793         * tree-profile.c (do_tree_profiling): Don't profile functions added
12794         late.
12795         (do_early_tree_profiling, pass_early_tree_profile): Kill.
12796         * tree-cfg.c (update_modified_stmts): Do not update when operands are
12797         not active.
12798         * passes.c (init_optimizations_passes): Reorder so we go into SSA
12799         during early_local_passes.
12800         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
12801
12802
12803 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
12804
12805         * Makefile.in: Update copyright year.
12806
12807 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
12808
12809         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
12810         in $(lang_checks) and check-consistency targets.
12811
12812 2007-01-02  Jan Hubicka  <jh@suse.cz>
12813
12814         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12815         Do not add referenced vars.
12816         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
12817         are not active.
12818         * passes.c (init_optimization_passes): Put mudflap_2 after
12819         free_datastructures.
12820
12821 2007-01-02  Jan Hubicka  <jh@suse.cz>
12822
12823         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
12824         Set NOTHROW flag on call statements proved to be nothrow.
12825         Update statement of local calls so new pure/const functions are
12826         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
12827         goto receivers.
12828         (tree_rest_of_compilation): Register hooks and initialize bitmap
12829         early. Do not set after_inlining flag.
12830
12831 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
12832
12833         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
12834         HOST_BITS_PER_LONGLONG
12835
12836 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12837
12838         PR c/19977
12839         * c-typeck.c (store_init_value): Don't emit pedantic overflow
12840         warning for non-static initializers.
12841
12842 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
12843
12844         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
12845         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
12846         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
12847         Always use set_unique_reg_note to add REG_EQUAL notes.
12848
12849 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12850
12851         Revert:
12852         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12853
12854         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12855         * cfgbuild.c (find_basic_blocks): Likewise.
12856         * cfgrtl.c (rtl_create_basic_block): Likewise.
12857         * function.c (temp_slots_at_level): Likewise.
12858         * reg-stack.c (stack_regs_mentioned): Likewise.
12859         * regclass.c (allocate_reg_info): Likewise.
12860         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12861         set_bb_for_stmt, move_block_to_fn): Likewise.
12862         * tree-complex.c (tree_lower_complex): Likewise.
12863         * vec.h (VEC_safe_grow_cleared): New.
12864
12865 2007-01-02  Ian Lance Taylor  <iant@google.com>
12866
12867         * c-common.c (c_common_truthvalue_conversion): When warning about
12868         using an assignment as a truth value, set TREE_NO_WARNING.
12869
12870 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12871
12872         PR middle-end/7651
12873         * c.opt (Wold-style-declaration): New.
12874         * doc/invoke.texi (C-only Warning Options): New.
12875         (Wold-style-declaration): Document it.
12876         (Wextra): Enabled by -Wextra.
12877         * c-opts.c (c_common_post_options): Enabled by -Wextra.
12878         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
12879         -Wold-style-declaration.
12880
12881 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
12882
12883         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12884         * cfgbuild.c (find_basic_blocks): Likewise.
12885         * cfgrtl.c (rtl_create_basic_block): Likewise.
12886         * function.c (temp_slots_at_level): Likewise.
12887         * reg-stack.c (stack_regs_mentioned): Likewise.
12888         * regclass.c (allocate_reg_info): Likewise.
12889         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12890         set_bb_for_stmt, move_block_to_fn): Likewise.
12891         * tree-complex.c (tree_lower_complex): Likewise.
12892         * vec.h (VEC_safe_grow_cleared): New.
12893
12894 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
12895
12896         * c-common.c (c_common_nodes_and_builtins): Since variants of
12897         void_type_node get built before it is given a name, we need to
12898         give those variants the name, too.
12899         (complete_array_type): We need to work with the canonical main
12900         type of the array, from which we will build the qualified version.
12901         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
12902         * print-tree.c (print_node): Display canonical type information
12903         for each type.
12904         * stor-layout.c (layout_type): When we don't know the
12905         alignment of a type for which we're building an array, we end up
12906         guessing wrong, so make the type require structural equality.
12907         * tree.c (make_node_stat): When we build a new type, it is its
12908         own canonical type.
12909         (build_type_attribute_qual_variant): When building an attribute
12910         variant, its canonical type is the non-attribute variant. However,
12911         if the attributes are target-dependent and they differ, we need to
12912         use structural equality checks for this type.
12913         (build_qualified_type): A qualified type is not equivalent to its
12914         unqualified variant; set the canonical type appropriately.
12915         (build_distinct_type_copy): When building a distinct type from
12916         another type, the new type is its own canonical type.
12917         (build_variant_type_copy): When building a new type variant, we
12918         assume that it is equivalent to the original type.
12919         (build_pointer_type_for_mode): When building a pointer type, also
12920         build a canonical type pointer.
12921         (build_reference_type_for_mode): When building a reference type,
12922         also build a canonical type reference.
12923         (build_index_type): When we can't hash an index type (e.g.,
12924         because its maximum value is negative), the index type requires
12925         structural equality tests.
12926         (build_array_type): Build the canonical form of an array type.
12927         (build_function_type): Function types require structural equality,
12928         because they contain default arguments, attributes, etc.
12929         (build_method_type_directly): Ditto for method types.
12930         (build_offset_type): Build the canonical offset type.
12931         (build_complex_type): Build the canonical vector type.
12932         (make_vector_type): Build the canonical vector type.
12933         * tree.h (TYPE_CANONICAL): New.
12934         (TYPE_STRUCTURAL_EQUALITY_P): New.
12935         (SET_TYPE_STRUCTURAL_EQUALITY): New.
12936         (struct tree_type): Added "canonical" field.
12937         * params.h (VERIFY_CANONICAL_TYPES): New.
12938         * doc/c-tree.texi (TYPE_CANONICAL): Document.
12939         (TYPE_STRUCTURAL_EQUALITY_P): Document.
12940         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
12941         * doc/invoke.texi (verify-canonical-types): Document --param
12942         parameter for verifying canonical types.
12943
12944 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12945
12946         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
12947         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
12948         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
12949         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
12950         tm_file.
12951         * config/rs6000/e500.h: New.
12952         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
12953         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
12954         Remove.
12955         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
12956         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
12957         TARGET_E500_DOUBLE): Remove.
12958         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
12959         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
12960         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
12961         * config/rs6000/rs6000.c (rs6000_override_options): Use
12962         CHECK_E500_OPTIONS.
12963
12964 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12965
12966         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
12967         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
12968         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
12969         rs6000_emit_cmove): Don't check TARGET_E500.
12970         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
12971         sordered): Don't check TARGET_E500.
12972
12973 2007-01-01  Eric Christopher  <echristo@apple.com>
12974
12975         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
12976         HARD_REGISTER_NUM_P.
12977
12978 2007-01-01  Roger Sayle  <roger@eyesopen.com>
12979
12980         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
12981         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
12982         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
12983         eq/ne Y".
12984
12985 2007-01-01  Mike Stump  <mrs@apple.com>
12986
12987         * configure.ac: Remove support for building with Apple's gcc-3.1.
12988
12989 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
12990
12991         PR middle-end/30311
12992         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
12993         REG is a hard register.  Do not modify REG before calling
12994         subreg_nregs.
12995         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
12996         multiple of the size of YMODE for certain lowpart cases.
12997
12998 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
12999
13000         PR middle-end/30253
13001         * gimplify (voidify_wrapper_expr): Update for
13002         GIMPLE_MODIFY_STMT.
13003
13004 2007-01-01  Andreas Schwab  <schwab@suse.de>
13005
13006         PR target/29166
13007         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
13008         save of BR0 in extra_spill_size instead of spill_size.
13009         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
13010         area.
13011         (ia64_expand_epilogue): Restore BR0 from its new location.
13012
13013 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
13014
13015         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
13016         Use a temporary variable if the left hand side is not a gimple
13017         register.
13018
13019 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
13020
13021         * gimplify.c (gimplify_return_expr): Make the temporary variable
13022         for the return expression, a gimple register variable.
13023
13024 2007-01-01  Jan Hubicka  <jh@suse.cz>
13025
13026         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
13027         INSN_LIST.
13028
13029 2007-01-01  Mike Stump  <mrs@apple.com>
13030
13031         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
13032         .literal16.
13033         * config/darwin.c (machopic_select_rtx_section): Use
13034         HAVE_GAS_LITERAL16.
13035         (darwin_mergeable_constant_section): Likewise.
13036         * configure: Regenerate.
13037         * config.in: Regenerate.
13038
13039 2007-01-01  Jan Hubicka  <jh@suse.cz>
13040             Andrew Pinski  <pinskia@gmail.com>
13041
13042         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
13043         before starting IPA passes.