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* config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2006-02-06  Jakub Jelinek  <jakub@redhat.com>
2
3         * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
4         (s390x-*-linux*): Likewise.
5         * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6         * config/s390/t-linux: New file.
7
8 2006-02-02  Bernd Schmidt  <bernd.schmidt@analog.com>
9
10         * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11         sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
12
13 2006-02-06  Daniel Berlin  <dberlin@dberlin.org>
14
15         * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
16         (ANTIC_SAFE_LOADS): New macro.
17         (find_or_generate_expression): Add prototype.
18         (set_contains_value): Allow null set for sake of not always having
19         to allocate ANTIC_SAFE_LOADS.
20         (phi_translate): Move placement of AGGREGATE_TYPE_P check.
21         Allow COMPONENT_REF too.
22         (valid_in_set): Allow COMPONENT_REF.
23         Check ANTIC_SAFE_LOADS too.
24         (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
25         (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
26         rename.
27         (can_PRE_operation): Add COMPONENT_REF.
28         (create_component_ref_by_pieces): New function.
29         (create_expression_by_pieces): Use create_component_ref_by_pieces.
30         (insert_aux): Move AGGREGATE_TYPE_P check here.
31         (compute_avail): Set bb local stmt uids.
32         (pass_pre): Use TODO_update_ssa_only_virtuals.
33         
34 2006-02-06  Ben Elliston  <bje@au.ibm.com>
35
36         * configure.ac: Unconditionally disable decimal float by default.
37         * configure: Regenerate.
38
39 2006-02-06  Ben Elliston  <bje@au.ibm.com>
40
41         * read-rtl.c (read_name): Terminate reading on EOF.
42
43 2006-02-06  Ben Elliston  <bje@au.ibm.com>
44
45         * dfp.c (decimal_real_arithmetic): Change second argument type
46         from int to enum tree_code. Do not always return true, but now
47         return result of any call to decimal_do helper functions.
48         * dfp.h (decimal_real_arithmetic): Update prototype.
49
50 2006-02-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
51
52         * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
53
54 2006-02-05  Andrew Pinski  <pinskia@physics.uc.edu>
55
56         PR tree-opt/25251
57         * tree-cfg.c (cleanup_dead_labels): Also don't remove
58         forced labels.
59
60 2006-02-04  Zdenek Dvorak <dvorakz@suse.cz>
61
62         * tree-vrp.c (cfg_loops): Removed.
63         (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
64         Use current_loops instead of cfg_loops.  Pass flags to
65         loop_optimizer_init.
66         * cfgloopmanip.c (fix_loop_structure): Update only available
67         information.
68         * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
69         loop_optimizer_init.
70         * modulo-sched.c (build_loops_structure): Removed.
71         (sms_schedule): Use loop_optimizer_init.
72         * loop-init.c (loop_optimizer_init): Use flags to determine
73         which properties of loops to prepare.
74         (rtl_loop_init): Pass flags to loop_optimizer_init.
75         * tree-ssa-sink.c (execute_sink_code): Ditto.
76         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
77         * tree-ssa-pre.c (init_pre): Ditto.
78         * cfgloop.h (LOOPS_NORMAL): New.
79         (loop_optimizer_init): Declaration changed.
80
81 2006-02-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
82
83         * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
84         * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
85         pa/t-pa.
86         * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
87         pa/t-pa.
88         * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
89         pa/x-ada.
90         * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
91         * pa/t-pa64: Delete quadlib.c rule.
92         * pa/x-ada: Revert last change.
93         * pa/t-pa: Revert last change.  Delete quadlib.c rule.
94
95 2006-02-04  Zdenek Dvorak <dvorakz@suse.cz>
96
97         PR rtl-optimization/26087
98         * rtlanal.c (canonicalize_condition): Do not cross basic block
99         boundaries.
100
101 2006-02-04  Alexandre Oliva  <aoliva@redhat.com>
102
103         PR debug/24444
104         * config/ia64/ia64.c: Include debug.h.
105         (MAX_ARTIFICIAL_LABEL_BYTES): New.
106         (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
107         (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
108         (process_epilogue, process_set, process_for_unwind_directive):
109         Output unwind info only if requested.  Add CFA info if requested.
110         Add new arguments as needed.  Adjust callers.
111         * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
112         incorrect default.
113         (DWARF2_FRAME_INFO): Define to zero.
114         * config/ia64/unwind-ia64.c: Remove code that compensated for
115         the CFA offset error fixed above.
116         * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
117         * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
118         (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
119         -funwind-tables and -fexceptions to enable frame info.
120         (dwarf2out_frame_init): Define initial CFA even if
121         DWARF2_UNWIND_INFO is disabled.  Call initial_return_save if
122         DWARF2_UNWIND_INFO is nonzero, not just defined.
123         (dwarf2out_frame_finish): Output non-EH call frame info only
124         if DWARF2_FRAME_INFO is nonzero.
125         (convert_cfa_to_loc_list,
126         compute_frame_pointer_to_cfa_displacement): Define even if
127         unwind info is not supported.
128         (gen_subprogram_die): Use the above unconditionally.  Remove
129         legacy alternate code.
130         * toplev.c (compile_file): Compile in call to
131         dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
132         (lang_dependent_init): Ditto for dwarf2out_frame_init.
133
134 2006-02-04  David Edelsohn  <edelsohn@gnu.org>
135             Jakub Jelinek  <jakub@redhat.com>
136
137         * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
138         IBM extended float format long double as "g" on powerpc*-linux.
139
140 2006-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
141
142         PR target/25926
143         * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
144         * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
145
146 2006-02-03  Jason Merrill  <jason@redhat.com>
147
148         PR c++/25979
149         * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
150
151         PR middle-end/25977
152         * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
153         on the return slot if it's an NRV.
154
155 2006-02-03  Zdenek Dvorak <dvorakz@suse.cz>
156
157         * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
158         (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
159         rewrite_use): Do not handle USE_OUTER.
160         (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
161         add_iv_outer_candidates, may_replace_final_value,
162         determine_use_iv_cost_outer, rewrite_use_outer): Removed.
163         (find_interesting_uses_op): Functionality of
164         find_interesting_uses_outer_or_nonlin moved here.
165         (find_interesting_uses_outside): Use find_interesting_uses_op.
166
167 2006-02-03  Alan Modra  <amodra@bigpond.net.au>
168
169         PR target/25960
170         * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
171
172 2006-02-03  Andreas Krebbel  <krebbel1@de.ibm.com>
173             Ulrich Weigand  <uweigand@de.ibm.com>
174
175         PR target/25864
176         * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
177         "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
178         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
179         * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr 
180         and dxr fields.
181         (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
182         (s390_rtx_costs): Use the new fields to calculate rtx costs.
183         (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
184         Define secondary reloads for TFmode moves.
185         (constant_modes): Add TFmode.
186         (NR_C_MODES): Set to 8.
187         * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
188         builtin define.
189         (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
190         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
191         (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS, 
192         CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
193         * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf, 
194         fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
195         (FPR mode macro): Add TFmode.
196         (DSF mode macro): New.
197         (<de>, <dee> mode attributes): Removed.
198         (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
199         ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs", 
200         "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee", 
201         "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3", 
202         "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm", 
203         "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly", 
204         "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
205         "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc", 
206         "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm", 
207         "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
208         "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly", 
209         "*negabs<mode>2", "sqrt<mode>2"):
210         Changed <de> to <xde>. R constraint replaced by <Rf>.
211         ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by 
212         <Rf>.
213         ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
214         ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
215         ("*movtf_64", "*movtf_31"): New insn definitions followed by 5 
216         splitters.
217         ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2", 
218         "extenddftf2", "extendsftf2"): New expanders.
219         ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee", 
220         "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
221         "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
222         * config/s390/s390.opt (mlong-double-128, mlong-double-64):
223         New options.
224         * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
225         * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2, 
226         __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
227         __floatditf): Add a GCC_4.1.0 symbol version tag.
228         * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
229         the new options.
230
231 2006-02-02  Andrew Pinski  <pinskia@physics.uc.edu>
232
233         PR target/25377
234         * config/i386/i386.c (ix86_function_ok_for_sibcall):
235         Use targetm.binds_local_p instead of TREE_PUBLIC.
236
237 2006-02-02  Roger Sayle  <roger@eyesopen.com>
238
239         * tree.h (TYPE_STRING_FLAG): Document that this field may be used
240         on INTEGER_TYPEs to indicate that it denotes a character type.
241         * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
242         signed_char_type_node, unsigned_char_type_node and char_type_node.
243         * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
244         INTEGER_TYPE.  Use TYPE_STRING_FLAG to decide whether to emit
245         a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
246
247 2006-02-02  Zdenek Dvorak <dvorakz@suse.cz>
248             Daniel Berlin  <dberlin@dberlin.org>
249
250         * tree-tailcall.c (arg_needs_copy_p): New function.
251         (eliminate_tail_call): Use arg_needs_copy_p.
252         (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
253         (add_virtual_phis): New function.
254
255 2006-02-02  Jakub Jelinek  <jakub@redhat.com>
256
257         * config/sparc/sparc.c (sparc_output_scratch_registers): Use
258         #ignore instead of #scratch for %g7 .register directive.
259
260 2006-02-02  Andreas Tobler  <a.tobler@schweiz.ch>
261
262         * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
263         object files.
264
265 2006-02-02  Bernd Schmidt  <bernd.schmidt@analog.com>
266
267         * flow.c (calculate_global_regs_live): Assert that there aren't any
268         EDGE_FAKE edges.
269
270 2006-02-02  Paolo Bonzini  <bonzini@gnu.org>
271
272         * tree-flow-inline.h (bsi_after_labels): Rewrite, return
273         what its name says.
274         * lambda-code.c (perfect_nestify): Use bsi_insert_before on
275         bsi_after_labels iterator.
276         * tree-if-conv.c (find_phi_replacement_condition,
277         replace_phi_with_cond_modify_expr): Likewise.
278         * tree-scalar-evolution.c (scev_const_prop): Likewise.
279         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
280
281 2006-02-02  Diego Novillo  <dnovillo@redhat.com>
282
283         * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
284
285 2006-02-02  Diego Novillo  <dnovillo@redhat.com>
286
287         PR 25990
288         * tree-cfg.c (move_block_to_fn): Clear out the basic block
289         array after growing it.
290
291 2006-02-01  Steve Ellcey  <sje@cup.hp.com>
292
293         PR middle-end/24901
294         * fold-const.c (fold_checksum_tree): Change type of buf.
295
296 2006-02-01  Bernd Schmidt  <bernd.schmidt@analog.com>
297
298         * reload.c (push_secondary_reload): Initialize t_icode.
299
300 2006-02-01  Jakub Jelinek  <jakub@redhat.com>
301
302         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
303         -msoft-float -mlong-double-128 only issue a warning, but don't
304         swich to DFmode long double.
305
306 2006-02-01  Hans-Peter Nilsson  <hp@axis.com>
307
308         * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
309         has a constant equivalent, iterate over equivalents for arg0,
310         calling simplify_relational_operation and if there's a result
311         cheaper than X, apply fold_rtx and return the result.
312
313 2006-02-01  Jan Hubicka  <jh@suse.cz>
314
315         * opts.c (no_unit_at_a_time_default): New global variable.
316         (decode_options): Use it.
317         * opts.h (no_unit_at_a_time_default): Declare.
318
319 2006-02-01  Paul Brook  <paul@codesourcery.com>
320
321         * function.c (assign_parm_setup_reg): Use function argument promotion
322         rules.
323         * expr.c (expand_expr_real_1): Use function argument promotion rules
324         for PARM_DECLs.
325
326 2006-02-01  Steve Ellcey  <sje@cup.hp.com>
327
328         * gcc.c (process_command): Change j to 'unsigned int'.
329
330 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
331
332         PR middle-end/26001
333         * expr.c (expand_expr_real_1) <case ARRAY_REF>:
334         Use the corrected index for the character
335         out of the string constant.
336
337 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
338
339         * mode-switching.c (optimize_mode_switching): Fix size
340         allocated for bb_info[n_entities].
341
342 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
343
344         * gcc.c (main): Correct type that is allocated for
345         explicit_link_files.
346
347 2006-01-31  Jakub Jelinek  <jakub@redhat.com>
348
349         * config/s390/s390.c (init_alignment_context): Set
350         ALIAS_SET_MEMORY_BARRIER on the MEM.
351         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
352
353 2006-01-31  Uttam Pawar  <uttamp@us.ibm.com>
354
355         PR middle-end/25933
356         * loop-unroll.c (unroll_loop_runtime_iterations): Free
357         dom_bbs pointer.
358         * tree-ssa-live.c (type_var_init): Allocate bitmap after
359         call to tpa_init.
360
361 2006-01-31  Marcin Dalecki  <martin@dalecki.de>
362
363         * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
364         * regrename.c: Ditto.
365         * tree-ssa-loop-im.c: Ditto.
366         * tree-dump.c: Ditto.
367         * tree-complex.c: Ditto.
368         * genrecog.c: Ditto.
369         * tree-ssa-threadupdate.c: Ditto.
370         * tracer.c: Ditto.
371         * java/class.c: Ditto.
372         * java/jcf-parse.c: Ditto.
373         * java/resource.c: Ditto.
374         * java/except.c: Ditto.
375         * java/jvspec.c: Ditto.
376         * java/jcf-write.c: Ditto.
377         * java/jcf-path.c: Ditto.
378         * java/gjavah.c: Ditto.
379         * java/zextract.c: Ditto.
380         * java/jcf-io.c: Ditto.
381         * java/jcf.h: Ditto.
382         * java/buffer.c: Ditto.
383         * java/lang.c: Ditto.
384         * java/parse-scan.y: Ditto.
385         * java/lex.c: Ditto.
386         * java/lex.h: Ditto.
387         * cfgloopmanip.c: Ditto.
388         * postreload-gcse.c: Ditto.
389         * tree-ssa-loop-manip.c: Ditto.
390         * postreload.c: Ditto.
391         * tree-ssa-loop-ch.c: Ditto.
392         * loop.c: Ditto.
393         * ipa-cp.c: Ditto.
394         * cppspec.c: Ditto.
395         * diagnostic.c: Ditto.
396         * final.c: Ditto.
397         * genoutput.c: Ditto.
398         * gcc.c: Ditto.
399         * cfghooks.c: Ditto.
400         * cfgloopanal.c: Ditto.
401         * objc/objc-act.c: Ditto.
402         * gcov.c: Ditto.
403         * genextract.c: Ditto.
404         * genautomata.c: Ditto.
405         * pretty-print.c: Ditto.
406         * genemit.c: Ditto.
407         * cgraphunit.c: Ditto.
408         * flow.c: Ditto.
409         * df-scan.c: Ditto.
410         * haifa-sched.c: Ditto.
411         * dominance.c: Ditto.
412         * dbxout.c: Ditto.
413         * tree-ssa-loop-ivopts.c: Ditto.
414         * df-core.c: Ditto.
415         * mode-switching.c: Ditto.
416         * modulo-sched.c: Ditto.
417         * graph.c: Ditto.
418         * ipa-pure-const.c: Ditto.
419         * cse.c: Ditto.
420         * fix-header.c: Ditto.
421         * web.c: Ditto.
422         * tree-stdarg.c: Ditto.
423         * ipa-utils.c: Ditto.
424         * loop-init.c: Ditto.
425         * ipa-inline.c: Ditto.
426         * cfganal.c: Ditto.
427         * global.c: Ditto.
428         * alloc-pool.c: Ditto.
429         * dwarf2out.c: Ditto.
430         * opts.c: Ditto.
431         * genattrtab.c: Ditto.
432         * tree-ssa-loop-ivcanon.c: Ditto.
433         * predict.c: Ditto.
434         * timevar.c: Ditto.
435         * lcm.c: Ditto.
436         * fortran/gfortranspec.c: Ditto.
437         * regmove.c: Ditto.
438         * local-alloc.c: Ditto.
439         * langhooks.c: Ditto.
440         * function.c: Ditto.
441         * tree-vectorizer.c: Ditto.
442         * gcse.c: Ditto.
443         * ipa-type-escape.c: Ditto.
444         * alias.c: Ditto.
445         * tree-if-conv.c: Ditto.
446         * profile.c: Ditto.
447         * ipa.c: Ditto.
448         * tree-data-ref.c: Ditto.
449         * loop-unroll.c: Ditto.
450         * treelang/treetree.c: Ditto.
451         * calls.c: Ditto.
452         * bt-load.c: Ditto.
453         * ggc-common.c: Ditto.
454         * except.c: Ditto.
455         * coverage.c: Ditto.
456         * cselib.c: Ditto.
457         * tree-cfgcleanup.c: Ditto.
458         * tree-ssa-pre.c: Ditto.
459         * cfgcleanup.c: Ditto.
460         * loop-invariant.c: Ditto.
461         * loop-iv.c: Ditto.
462         * ipa-prop.c: Ditto.
463         * print-tree.c: Ditto.
464         * conflict.c: Ditto.
465         * ggc-page.c: Ditto.
466         * sched-deps.c: Ditto.
467         * regclass.c: Ditto.
468         * tree-object-size.c: Ditto.
469         * combine.c: Ditto.
470         * bb-reorder.c: Ditto.
471         * resource.c: Ditto.
472         * var-tracking.c: Ditto.
473         * cfgloop.c: Ditto.
474         * df-problems.c: Ditto.
475         * reg-stack.c: Ditto.
476         * tlink.c: Ditto.
477         * gccspec.c: Ditto.
478         * sched-rgn.c: Ditto.
479         * tree-ssa-structalias.c: Ditto.
480         * tree-ssa-reassoc.c: Ditto.
481         * config/darwin-c.c: Ditto.
482         * config/darwin.c: Ditto.
483         * config/arm/arm.c: Ditto.
484         * cfgrtl.c: Ditto.
485         * collect2.c: Ditto.
486         * reload1.c: Ditto.
487
488 2006-01-31  Nicolas Pitre  <nico@cam.org>
489
490         * arm.md (smaxsi3): Make aware of smax_m1.
491         (smax_m1): New.
492
493 2006-01-31  Nathan Sidwell  <nathan@codesourcery.com>
494
495         * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
496
497 2006-01-31  Richard Guenther  <rguenther@suse.de>
498
499         * doc/invoke.texi (-msselibm): Document.
500         * target.h (expand_library_builtin): New target hook.
501         * builtins.c (expand_builtin): Use expand_library_builtin.
502         (default_expand_library_builtin): New function.
503         * gcc.c (LINK_GCC_MATH_SPEC): Define.
504         (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
505         (link_gcc_math_spec): Declare.
506         (static_specs): Add link_gcc_math_spec.
507         * expr.h (default_expand_library_builtin): Declare.
508         * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
509         (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
510         * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
511         * config/i386/i386.opt (msselibm): New target option.
512         * config/i386/i386.c (ix86_builtin_function_variants): New array.
513         (ix86_init_sse_abi_builtins): New function.
514         (ix86_expand_library_builtin): Likewise.
515         (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
516         (override_options): Handle error conditions wrt -msselibm.
517         (ix86_builtins): Add function codes for SSE2 ABI builtins.
518         (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
519         * doc/extend.texi (__builtin_sse2_*): Document new target specific
520         builtins.
521
522 2006-01-31  Richard Guenther  <rguenther@suse.de>
523         Paolo Bonzini  <bonzini@gnu.org>
524
525         * doc/install.texi (--disable-libgcc-math): Document.
526
527 2006-01-30  Marcin Dalecki  <martin@dalecki.de>
528
529         * expr.h (expand_normal): new inline function.
530         * builtins.c: use it, use EXPAND_NORMAL explicitely.
531         * dojump.c: use it.
532         * dwarf2out.c: use it.
533         * expr.c: use it.
534         * calls.c: use it.
535         * expmed.c: use it.
536         * except.c: use it.
537         * config/sparc/sparc.c: use it.
538         * config/i386/i386.c: use it.
539         * config/rs6000/rs6000.c: use it.
540         * config/arm/arm.c: use it.
541         * config/mips/mips.c: use it.
542         * stmt.c: use it, use EXPAND_NORMAL explicitely.
543
544 2006-01-30  Roger Sayle  <roger@eyesopen.com>
545
546         * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
547         argv to the appropriate type.
548
549 2006-01-30  Zdenek Dvorak <dvorakz@suse.cz>
550
551         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
552         unreachable code.
553
554 2006-01-30  Ulrich Weigand  <uweigand@de.ibm.com>
555
556         PR target/26018
557         * config/s390/s390.c (struct machine_function): New flag
558         decomposed_literal_pool_addresses_ok_p.
559         (s390_reorg): Set it before final stage of literal pool transforms.
560         (s390_decompose_address): Only accept displacements of the form
561         (minus (label_ref ...) (label_ref ...)) if that flag is set.
562
563 2006-01-30  Carlos O'Donell  <carlos@codesourcery.com>
564
565         * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
566         the comparison routine return.
567
568 2006-01-30  Michael Matz  <matz@suse.de>
569
570         * global.c (find_reg): Only evict for global regs.
571         Take n_refs into account and dump more info.
572
573 2006-01-30  J"orn Rennecke <joern.rennecke@st.com>
574
575         PR target/14798:
576         * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
577         (pragma_trap, pragma_nosave_low_regs): Likewise.
578         (current_function_anonymous_args): Likewise.
579         (sh_deferred_function_attributes): New variable.
580         (sh_deferred_function_attributes_tail): Likewise.
581         (print_operand): For '@', look up trap_exit attribute.
582         (calc_live_regs): Look up trapa_handler attribute.  For trapa
583         handlers, save/restore fpscr, but don't do any other
584         interrupt-specific saves.
585         Don't save r0..r7 if the nosave_low_regs attribute is in effect.
586         Fix check for partially saved registers to check for SHmedia.
587         (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
588         (sh_output_function_epilogue): Don't clear any of the removed
589         variables.
590         (sh_insert_attributes): Don't check pragma_interrupt.
591         Insert deferred attributes.  Check that interrupt attribute is
592         present for other attributes that require its presence.
593         (sh_attribute_table): Add new attributes trapa_handler and
594         nosave_low_regs.
595         (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
596         Don't check for pragma_interrupt.  Don't store argument.
597         * sh.h (pragma_interrupt, sp_switch): Don't declare.
598         (sh_deferred_function_attributes): Declare.
599         (sh_deferred_function_attributes_tail): Likewise.
600         * sh.md (sp_switch_1): Add operand.  Change generator caller.
601         (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
602         (*return_i): Don't use when trap_exit attribute is in effect.
603         (*return_trapa): New insn pattern.
604         * sh-c.c: New file.
605         * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
606         setting c_target_objs and cxx_target_objs.
607         * t-sh: Add rule for sh-c.o.
608
609 2006-01-30  Richard Guenther  <rguenther@suse.de>
610
611         PR c++/23372
612         * gimplify.c (gimplify_target_expr): Handle easy cases
613         without creating a temporary.
614
615 2006-01-30  Nathan Sidwell  <nathan@codesourcery.com>
616
617         * vec.h (safe_grow): Remove duplicated line.
618
619 2006-01-29  Diego Novillo  <dnovillo@redhat.com>
620
621         PR 25874
622         * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
623         (expand_omp): ... here.
624         (expand_omp_parallel): Only remove barriers for combined
625         parallel+workshare constructs.
626
627 2006-01-29  Eric Botcazou  <ebotcazou@adacore.com>
628
629         Revert
630
631         2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
632         * tree.c (build_qualified_type): Chain the new type to the original
633         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
634         a POINTER_TYPE or a REFERENCE_TYPE respectively.
635         (build_pointer_type_for_mode): Only return unqualified types.
636         (build_reference_type_for_mode): Likewise.
637
638 2006-01-29  Gabriel Dos Reis  <gdr@integgrable-solutions.net>
639
640         * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
641         * Makefile.in (CXX_COMPAT_WARN): Define.
642         * configure: Regenerate.
643
644 2006-01-29  Dorit Nuzman  <dorit@il.ibm.com>
645
646         PR tree-opt/25911
647         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
648         to an if check.
649
650 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
651
652         * toplev.c: Fix thinko.
653
654 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
655             Marcin Dalecki  <martin@dalecki.de>
656
657         * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
658         (push_srcloc): Use XNEW.
659         (init_asm_output, default_get_pch_validity): Use XNEWVEC.
660
661 2006-01-29  Kenneth Zadeck <zadeck@naturalbridge.com>
662
663         * df-core.c (df_set_blocks): Deleted all variable.
664
665 2006-01-28  Ian Lance Taylor  <ian@airs.com>
666
667         * cgraphunit.c (cgraph_assemble_pending_functions): Call
668         cgraph_output_pending_asms.
669
670 2006-01-28  Zack Weinberg  <zackw@panix.com>
671
672         * c.opt: Add -W(no-)overlength-strings.
673         * doc/invoke.texi: Document it.
674         * c-opts.c (c_common_handle_option): -pedantic implies
675         -Woverlength-strings, if not explicitly disabled already.
676         (c_common_post_options): -Woverlength-strings defaults to off, and
677         is always off for C++.
678         * c-common.c (fix_string_type): Issue warning about strings longer
679         than is portable only if warn_overlength_strings.  Rearrange code
680         a little for clarity.
681         * configure.in: Check for -Wno-overlength-strings as well before
682         enabling -pedantic in stage 1.
683         * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
684         (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
685
686         * genconditions.c (write_header, write_one_condition)
687         (write_conditions, write_writer): Consolidate very long strings
688         that were broken up to fit in C89 portable limit.  Don't use
689         printf when fputs will do.
690
691 2006-01-28  Adam Nemet  <anemet@caviumnetworks.com>
692
693         * combine.c (simplify_comparison <AND>): Check
694         TRULY_NOOP_TRUNCATION before start using a subreg.
695
696         * config/mips/mips.md (*branch_zero<mode>,
697         *branch_zero<mode>_inverted, *branch_equality<mode>,
698         *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
699         Remove mode check from comparisons.
700
701 2006-01-28  Kenneth Zadeck <zadeck@naturalbridge.com>
702
703         * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
704
705 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
706
707         * expmed.c (const_mult_add_overflow_p): Remove.
708         * expr.h: Remove the prototype for const_mult_add_overflow_p.
709
710         * recog.c (validate_replace_rtx_subexp): Remove.
711         * recog.h: Remove the prototype for
712         validate_replace_rtx_subexp.
713
714         * integrate.h: Remove the prototype for
715         copy_decl_for_inlining.
716         * rtl.h: Remove the prototype for mark_constant_function.
717         * tree-vectorizer.h: Remove the prototype for
718         vect_strip_conversion.
719
720         * modulo-sched.c (create_partial_schedule,
721         free_partial_schedule, reset_partial_schedule): Make them
722         static.
723
724         * hooks.c (hook_bool_rtx_int_false): Remove.
725         * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
726
727 2006-01-28  David Edelsohn  <edelsohn@gnu.org>
728
729         * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
730         and -mlong-double-128 are incompatible.
731         * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
732         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
733         (TARGET_LIBGCC2_CFLAGS): Define.
734         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
735         (TARGET_LIBGCC2_CFLAGS): Same.
736         * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
737
738 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
739
740         PR c/19606.
741         * c-typeck.c (build_binary_op): Perform implicit casts of
742         operands before shortening them.
743
744         * cfgloopmanip.c (split_loop_bb): Remove.
745         * cfgloop.h: Remove the prototype for split_loop_bb.
746
747         * cfgloop.c (flow_loop_outside_edge_p): Remove.
748         * cfgloop.h: Remove the prototype for
749         flow_loop_outside_edge_p.
750
751         * emit-rtl.c (init_virtual_regs): Make it static.
752         * function.h: Remove the prototype for init_virtual_regs.
753
754         * recog.c (peephole2_optimize): Make it static.
755         * recog.h: Remove the prototype for peephole2_optimize.
756
757 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
758
759         * df-scan.c (df_record_entry_block_defs): Check if
760         INCOMING_RETURN_ADDR_RTX is defined.
761
762 2006-01-27  Daniel Berlin  <dberlin@dberlin.org>
763             Kenneth Zadeck <zadeck@naturalbridge.com>
764
765         PR rtl-optimization/24762
766         * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
767         * targhooks.c (hook_void_bitmap): New hook prototype.
768         * targhoohs.h (hook_void_bitmap): Ditto.
769         * bitmap.h (bitmap_head_def): Moved to coretypes.h.
770         * coretypes.h (bitmap_head_def): Moved from bitmap.h.
771         * target.h (live_on_entry): New function pointer.
772         * df-scan.c (df_all_hard_regs): Removed.
773         (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
774         (df_scan_free_internal): Added df->entry_block_defs.
775         (df_scan_alloc): Ditto.
776         (df_scan_dump): Ditto.
777         (df_uses_record): Plumbed flag field properly thru calls.
778         Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
779         This part fixes PR24762.
780         (df_bb_refs_record): Added code to make the frame and arg
781         pointers live in EH blocks.
782         (df_refs_record): Added call to df_record_entry_block_defs.
783         (df_record_entry_block_defs): New function.
784         * df-core.c: Added comments to describe new artifical defs.
785         * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
786         (entry_block_defs): New field in struct df.
787         (df_all_hard_regs): Deleted.
788         * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
789         * df-problems.c (df_ru_bb_local_compute_process_def):
790         Added code to handle artifical defs in the entry to a function.
791         (df_ru_bb_local_compute): Ditto.
792         (df_rd_bb_local_compute_process_def):  Ditto.
793         (df_rd_bb_local_compute): Ditto.
794         (df_lr_bb_local_compute): Ditto.
795         (df_ur_bb_local_compute): Ditto.
796         (df_urec_bb_local_compute):  Ditto.
797         (df_chain_create_bb):  Ditto.
798         (df_ur_local_finalize): Removed entry.
799         (df_urec_init): Ditto.
800         (df_urec_local_finalize): Ditto.
801         (df_ri_bb_compute): Added detection of last use of pseudos.
802         * Makefile.in (df-scan.o): Updated dependencies.
803         * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
804         * config/mips/mips.c (mips_set_live_on_entry): Added.
805         * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
806         for target hook.
807         * dce.c (marked_insn_p): Added code to handle artifical defs.
808
809 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
810
811         * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
812         intrinsic.
813         (_mm_cvtsi128_si64): Likewise.
814         (_mm_cvtsd_si64): Likewise.
815         (_mm_cvttsd_si64): Likewise.
816         (_mm_cvtsi64_sd): Likewise.
817         (_mm_cvtsi64_si128): Likewise.
818         * config/i386/mmintrin.h (_m_from_int64): Likewise.
819         (_mm_cvtsi64_m64): Likewise.
820         (_m_to_int64): Likewise.
821         (_mm_cvtm64_si64): Likewise.
822         * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
823         (_mm_cvttss_si64): Likewise.
824         (_mm_cvtsi64_ss): Likewise.
825         (_mm_cvtss_f32): Likewise.
826
827 2006-01-27  Carlos O'Donell  <carlos@codesourcery.com>
828
829         * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
830         for pragma redefine_extname.
831
832 2006-01-27  Jakub Jelinek  <jakub@redhat.com>
833
834         PR target/25864
835         * libgcc-std.ver: Add GCC_4.1.0 symbol version.
836         * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
837         -mno-minimal-toc to previous content.
838         (bispecs): Remove goal.
839         * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
840         * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
841         compatibility aliases on powerpc-*-*gnu*.
842         * config/rs6000/libgcc-ppc-glibc.ver: New file.
843         * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
844         libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
845         (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
846         (ldblspecs): New goal.
847         * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
848         * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
849         _df_to_tf.
850         * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
851         L_sf_to_tf or L_df_to_tf is defined.
852
853 2006-01-27  David Edelsohn  <edelsohn@gnu.org>
854             Alan Modra  <amodra@bigpond.net.au>
855
856         PR target/25864
857         * config/rs6000/linux.h (POWERPC_LINUX): Define.
858         * config/rs6000/linux64.h (POWERPC_LINUX): Define.
859         * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
860         * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
861         * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
862         * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
863         (rs6000_override_options): Initialize rs6000_ieeequad.
864         Initialize TFmode format to ibm_extended_format if not
865         TARGET_IEEEQUAD.
866         (rs6000_handle_option): Accept -mabi= ibmlongdouble and
867         ieeelongdouble.
868         (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
869         (rs6000_return_in_memory): Only return IEEEQUAD in memory.
870         (function_arg_advance): IBM long double passed in two FPRs, not
871         split.
872         (function_arg): IBM long double passed in FPRs.
873         (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
874         (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
875         Only multireg GPR aligned.
876         (rs6000_init_libfuncs): Enable IBM long double functions if not
877         IEEEQUAD.
878         (rs6000_generate_compare): Use IBM long double compare if not
879         TARGET_IEEEQUAD.
880         * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
881         (TARGET_IEEEQUAD): Define.
882         (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
883         not TARGET_IEEEQUAD.
884         * config/rs6000/rs6000.md: Enable TFmode patterns if
885         !TARGET_IEEEQUAD.
886         * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
887         * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
888         and -mlong-double-128 are incompatible.
889         * doc/invoke.texi (-mabi): Collect options together.  Add
890         ibmlongdouble and ieeelongdouble.
891
892 2006-01-27  Richard Sandiford  <richard@codesourcery.com>
893
894         * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
895         opaque type.
896         * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
897         * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
898         (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
899         * rtl.h (rtunion_def): Remove rt_ptr.
900         (X0PTR): Delete.
901         (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
902         (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
903         * config/i386/winnt.c (i386_pe_mark_dllexport)
904         (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
905
906 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
907
908         * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
909
910 2006-01-26 Alexandre Oliva  <aoliva@redhat.com>
911
912         PR other/24829
913         PR target/24831
914         * gthr-dce.h: Do not gthrw-ify pthread_once_init,
915         pthread_key_delete.  From John David Anglin.  gthrw-ify
916         pthread_getunique_np only if it it's not a macro.  Delete
917         UNUSED macro.
918         (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
919         __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
920         __gthread_objc_condition_signal, __gthread_key_delete): Add
921         "__attribute__ ((__unused__))" to unused arguments.
922         (__gthread_recursive_mutex_init_function): Add missing return.
923         * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
924         gthr-posix95.h: Use macro-based approach for name redirection
925         on targets missing weakref.
926
927 2006-01-26  Zack Weinberg  <zackw@panix.com>
928
929         * genconditions.c (write_header): In generated code, #ifdef out
930         all includes and fake declarations, except includes of bconfig.h
931         and system.h, unless GCC_VERSION >= 3001.  Do not include
932         gensupport.h in any case.
933         (write_conditions): Generate a definition of struct c_test.  Add
934         a comment to the generated #endif.
935         (write_one_condition): Escape backslashes in string too.
936         (write_writer): Generated code must escape backslashes and quote
937         marks (but not newlines) in the strings it writes.
938         * Makefile.in (build/gencondmd.o): Update dependencies.
939
940 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
941
942         PR target/25961
943         * Makefile.in (insn-automata.o): Add header file dependencies.
944         * genautomata.c: Add includes.
945
946 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
947
948         PR target/25961
949         * Makefile.in (insn-automata.o): Add -Wno-error flag.
950
951 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
952
953         * configure.ac: Expect target tools paths to be passed from the toplevel
954         and wrap the detection into AS_SET_VAR_IF.  Extract side-effects out of
955         AS_SET_VAR_IF.
956         * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
957
958 2006-01-26  Alexandre Oliva  <aoliva@redhat.com>
959
960         PR c/25892
961         * c.opt (Wpointer-sign): Init to -1.
962         * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
963         OPT_pedantic, to 0 otherwise.
964         * doc/invoke.texi: Update.
965
966 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
967
968         * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
969         constants provided by 80387 instructions in the destination mode.
970
971 2006-01-26  Richard Guenther  <rguenther@suse.de>
972             Andrew Pinski  <pinskia@physics.uc.edu>
973
974         PR tree-opt/21470
975         partial PR tree-opt/17064
976         * tree-ssa-structalias.c (intra_create_variable_infos):
977         Create heap variables for incoming parameters if
978         flag_argument_noalias > 1.
979         (find_what_p_points_to): Look through default defs of
980         parameter decls.
981
982 2006-01-26  Jeff Law  <law@redhat.com>
983
984         PR ada/25900
985         * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
986         with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
987         within the VR_RANGE, use the VR_RANGE as the result, not the
988         VR_ANTI_RANGE.
989         (adjust_range_with_scev): Reject ranges from SCEV which are out of
990         bounds for the type.
991
992 2006-01-26  Daniel Berlin  <dberlin@dberlin.org>
993
994         * tree-ssa-alias.c (maybe_create_global_var): Change
995         subvar walking to an assertion that we don't have subvar'd variables.
996
997 2006-01-26  Andrew Pinski  <pinskia@physics.uc.edu>
998
999         PR C/25861
1000         * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
1001         Use a new variable, inner.  PARM_DECLs are always non-weak.
1002
1003 2006-01-26  Shantonu Sen  <ssen@opendarwin.org>
1004
1005         * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
1006         --disable-checking.
1007
1008 2006-01-26  Adam Nemet  <anemet@caviumnetworks.com>
1009
1010         * config/mips/mips.md (*clear_upper32): New combiner pattern.
1011
1012 2006-01-26  Richard Earnshaw  <richard.earnshaw@arm.com>
1013
1014         * arm.md (smaxsi3, sminsi3): Convert to define_expand.
1015         (smax_insn, smin_insn, smax_0, smin_0): New.
1016
1017 2006-01-26  Hans-Peter Nilsson  <hp@axis.com>
1018
1019         PR target/25947
1020         * config/cris/cris.c (cris_order_for_addsi3): New function.
1021         * config/cris/cris-protos.h: Prototype it.
1022         * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
1023         (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
1024         (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
1025         (split for "op.S1 [rx=rx+i],ry (swapped)")
1026         (split for "op(s|u).S1 [rx=rx+i],ry")
1027         (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
1028         Apply cris_order_for_addsi3 when generating addsi3 insns.
1029
1030 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
1031
1032         * tree.h (TREE_RANGE_CHECK): Fix range predicate.
1033         (TREE_BLOCK): Add call to EXPR_CHECK.
1034
1035 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
1036
1037         PR 25886
1038         * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
1039         * tree-pretty-print.c (dump_omp_clause): Extract from ...
1040         (dump_omp_clauses): ... here.
1041         (dump_generic_node): Handle OMP_CLAUSE.
1042         * tree.c (omp_clause_num_ops): New.
1043         (omp_clause_code_name): New.
1044         (tree_code_size): Handle OMP_CLAUSE.
1045         (tree_size): Likewise.
1046         (make_node): Document handling of OMP_CLAUSE.
1047         (tree_node_structure): Handle OMP_CLAUSE.
1048         (omp_clause_check_failed): New.
1049         (omp_clause_range_check_failed): New.
1050         (omp_clause_operand_check_failed): New.
1051         (build_omp_clause): New.
1052         (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
1053         * tree.h (enum omp_clause_code): Declare.
1054         (OMP_CLAUSE_SUBCODE_CHECK): Define.
1055         (OMP_CLAUSE_RANGE_CHECK): Define.
1056         (OMP_CLAUSE_ELT_CHECK): Define.
1057         (omp_clause_check_failed): Declare.
1058         (omp_clause_operand_check_failed): Declare.
1059         (omp_clause_range_check_failed): Declare.
1060         (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
1061         (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
1062         (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
1063         (OMP_CLAUSE_LASTPRIVATE): Likewise.
1064         (OMP_CLAUSE_IF_EXPR): Likewise.
1065         (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
1066         (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
1067         (OMP_CLAUSE_REDUCTION_CODE): Likewise.
1068         (OMP_CLAUSE_REDUCTION_INIT): Likewise.
1069         (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
1070         (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
1071         Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
1072         (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
1073         (OMP_CLAUSE_DEFAULT_KIND): Likewise.
1074         (OMP_CLAUSE_CODE): Define.
1075         (OMP_CLAUSE_SET_CODE): Define.
1076         (OMP_CLAUSE_CODE): Define.
1077         (OMP_CLAUSE_OPERAND): Define.
1078         (struct tree_omp_clause): Declare.
1079         (union tree_node): Add field 'omp_clause'.
1080         * treestruct.def (TS_OMP_CLAUSE): Define.
1081         * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
1082         OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
1083         OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
1084         OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
1085         OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
1086         OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
1087         (OMP_CLAUSE): Define.
1088         * print-tree.c (print_node): Handle OMP_CLAUSE.
1089         * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
1090         * c-typeck.c: Likewise.
1091         * gimplify.c: Likewise.
1092         * c-omp.c: Likewise.
1093         * tree-nested.c: Likewise.
1094         * tree-inline.c: Likewise.
1095         * c-parser.c: Likewise.
1096         * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
1097         clauses.
1098
1099 2006-01-25  Roger Sayle  <roger@eyesopen.com>
1100
1101         PR rtl-optimization/25703
1102         * combine.c (try_combine): Handle zero_extract and strict_low_part
1103         of non-lowpart SUBREGs for constant reg_subword_p set optimization.
1104
1105 2006-01-25  Peter Bergner  <bergner@vnet.ibm.com>
1106
1107         * global.c: Fix comment typos.
1108
1109 2006-01-25  Andrew Pinski  <pinskia@physics.uc.edu>
1110
1111         PR target/25758
1112         * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
1113         Use output_addr_const instead of assemble_name.
1114
1115 2006-01-25  Paolo Bonzini  <bonzini@gnu.org>
1116
1117         * Makefile.in (sched-vis.o): Update dependencies.
1118         * haifa-sched.c (sched_finish): Clear current_sched_info.
1119         * cfg.c (dump_bb_info): New, split from dump_flow_info.
1120         (dump_flow_info): Call it.
1121         * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
1122         a slim RTL dump.
1123         * basic-block.h (dump_bb_info): Declare.
1124         * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
1125         option, and apply options only for dump files whose TDF_RTL,
1126         TDF_TREE, or TDF_IPA bits match.
1127         * rtl.h: Declare new functions exported from sched-vis.c.
1128         * sched-vis.c: Enable also if scheduling is not used.
1129         (print_value): Print the mode of registers if not inside scheduling.
1130         (print_insn): Make it work outside the scheduler.  Beautify the output
1131         a bit.
1132         (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
1133
1134 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
1135
1136         * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
1137         * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
1138         a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
1139         depending on the value of CONSTANT_POOL_ADDRESS_P.
1140         * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
1141         SYMBOL_REF_DECL.
1142         * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
1143         rather than SYMBOL_REF_DECL.
1144         (rtx_constant_pool): Remove const_rtx_sym_htab.
1145         (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
1146         (init_varasm_status): Don't initialize const_rtx_sym_htab.
1147         (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
1148         Remove handling of const_rtx_sym_htab.
1149         (find_pool_constant): Delete.
1150         (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
1151         rather than find_pool_constant.
1152         (get_pool_constant_for_function): Delete.
1153         (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
1154         find_pool_constant.
1155         * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
1156         (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
1157         (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
1158         (SYMBOL_REF_CONSTANT): New macro.
1159         (get_pool_constant_for_function): Delete.
1160         * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
1161         rather than SYMBOL_REF_DECL.
1162         (i386_pe_mark_dllimport): Likewise.
1163         * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
1164         rather than SYMBOL_REF_DECL.
1165         * config/darwin.c (machopic_indirect_data_reference): Likewise.
1166         (machopic_indirect_call_target): Likewise.
1167
1168 2006-01-25  Eric Botcazou  <ebotcazou@adacore.com>
1169
1170         * flow.c (delete_noop_moves): Add missing EOL to dump message.
1171
1172 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
1173
1174         * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
1175
1176 2006-01-25  Kaz Kojima  <kkojima@gcc.gnu.org>
1177
1178         * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
1179
1180 2006-01-24  David Daney  <ddaney@avtrex.com>
1181
1182         PR java/25816
1183         * configure.ac (enable_tls): New enable option.
1184         (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
1185         * configure: Regenerate.
1186         * doc/install.texi (--enable-tls): Document new option.
1187         (--disable-tls): Ditto.
1188
1189 2006-01-24  Richard Henderson  <rth@redehat.com>
1190
1191         * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
1192         * alias.c (true_dependence): Respect it.
1193         (canon_true_dependence, write_dependence_p): Likewise.
1194         * builtins.c (get_builtin_sync_mem): Set it.
1195
1196 2006-01-25  Zdenek Dvorak <dvorakz@suse.cz>
1197
1198         * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
1199         efficient way.
1200
1201 2006-01-24  DJ Delorie  <dj@redhat.com>
1202
1203         * expmed.c (store_bit_field): Don't arbitrarily deny using insv
1204         for storing constants in single-bit bitfields.
1205
1206 2006-01-25  Ben Elliston  <bje@au.ibm.com>
1207
1208         * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
1209
1210 2006-01-24  Andrew Pinski  <pinskia@physics.uc.edu>
1211
1212         PR tree-opt/25860
1213         * tree-ssa-pre.c (phi_translate): Return NULL
1214         for AGGREGATE_TYPE's.
1215
1216 2006-01-24  Zack Weinberg  <zackw@panix.com>
1217
1218         * genautomata.c (process_state_for_insn_equiv_partition):
1219         Use xcalloc for insn_arcs_array.
1220         * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
1221         (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
1222
1223 2006-01-24  Richard Henderson  <rth@redhat.com>
1224
1225         * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
1226         update all callers.
1227
1228 2006-01-23  Paolo Bonzini  <bonzini@gnu.org>
1229
1230         PR rtl-optimization/25890
1231         PR rtl-optimization/25905
1232         * combine.c (expand_compound_operation, expand_field_assignment):
1233         Fail if the bitfield's final position is out of bounds.
1234
1235 2006-01-24  Ian Lance Taylor  <ian@airs.com>
1236
1237         PR middle-end/25930
1238         * cgraphunit.c (cgraph_output_in_order): Don't clear
1239         cgraph_asm_nodes until after asm strings have been output.
1240
1241 2006-01-23  Adam Nemet  <anemet@caviumnetworks.com>
1242
1243         * fix-header.c (read_scan_file): Add new parameter imultilib when
1244         calling register_include_chains.
1245
1246 2006-01-23  Diego Novillo  <dnovillo@redhat.com>
1247
1248         * omp-low.c: Update documentation.
1249
1250 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
1251             Daniel Berlin  <dberlin@dberlin.org>
1252
1253         PR tree-opt/25315
1254         PR tree-opt/25857
1255         * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
1256         return from the function.
1257
1258 2006-01-22  Zack Weinberg  <zackw@panix.com>
1259
1260         * rtl.def (match_code): Add second argument.
1261         * genpreds.c (write_extract_subexp): New function.
1262         (write_match_code): Add path argument.  Use write_extract_subexp.
1263         (write_predicate_expr): Pass path to write_match_code.
1264         (mark_mode_tests): MATCH_CODE applied to a subexpression does
1265         not perform a mode test.
1266         * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
1267         a subexpression does not constrain the top-level code set.
1268         * read-rtl.c (read_rtx_variadic): New function.
1269         (read_rtx_1): Use it; allow AND and IOR to be variadic.
1270         * doc/md.texi: Document new notation.
1271         * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
1272         (cmpsi_operand): ... here, using new notation.
1273
1274 2006-01-22  Zack Weinberg  <zackw@panix.com>
1275
1276         * varray.c: Remove GENERATOR_FILE #ifdefs.
1277
1278 2006-01-22  Zack Weinberg  <zackw@panix.com>
1279
1280         * genautomata.c (output_reserved_units_table): Emit nothing if
1281         description->query_units_num is zero.  Remove extra blank line.
1282         (output_cpu_unit_reservation_p): Short circuit
1283         if description->query_units_num is zero.
1284
1285 2006-01-22  Zack Weinberg  <zackw@panix.com>
1286
1287         * genattrtab.c: Don't include genattrtab.h.  Define ATTR_NONE
1288         and ATTR_SPECIAL (from genattrtab.h).  Don't define num_dfa_decls
1289         nor any of the random handful of variables that used to be necessary
1290         when this program was linked with rtlanal.o.  Prune set of forward
1291         function declarations.
1292         (struct attr_desc): Remove static_p field.
1293         (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
1294         (check_attr_test, make_internal_attr, make_numeric_value): Make static.
1295         (attr_string): Do not read the character one past the length of
1296         the string.
1297         (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
1298         (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
1299         (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
1300         (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
1301         (make_automaton_attrs): New.
1302         (main): Do not call into genautomata.  Call local gen_bypass
1303         and gen_insn_reserv as appropriate.  Call make_automaton_attrs.
1304         Remove special case for insn_alts.
1305         * genautomata.c: Include gensupport.h; not genattrtab.h nor
1306         varray.h (leftover from previous change).  Prune set of forward
1307         function declarations.  Remove state_alts fields from all
1308         structures.  Remove state_alts_table from struct automaton.
1309         Make everything except main static.  Do not maintain num_dfa_decls.
1310         Do not maintain state_alts fields of various structures.
1311         (process_decls): Don't validate condexp for dm_insn_reserv decls.
1312         (add_arc): Remove state_alts argument.  All callers updated.
1313         (output_reserved_units_table): Emit #ifdef here...
1314         (output_tables): ...not here.  Don't generate state_alts tables.
1315         (expand_automata): Don't generate attributes.
1316         (write_automata): Don't generate state_alts functions.
1317         (main): New function.
1318         (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
1319         (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
1320         (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
1321         (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
1322         (BYPASS_P_FUNC_NAME, output_state_alts_table)
1323         (output_automata_list_state_alts_code, output_internal_state_alts_func)
1324         (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
1325         (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
1326         Delete.
1327         * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
1328         * genattrtab.h: Delete file.
1329         * Makefile.in (OBJS-common): Add insn-automata.o.
1330         (insn-automata.o): New rule.
1331         (simple_generated_c): Add insn-automata.c.
1332         (build/genattrtab.o, build/genautomata.o): Update dependencies.
1333         (genprogmd): Add automata.
1334         (build/genattrtab): Needs no extra objects nor libraries.
1335         (build/genautomata): Needs build/vec.o and -lm.
1336
1337 2006-01-22  Zack Weinberg  <zackw@panix.com>
1338
1339         * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
1340         (output_dfa_max_issue_rate, locked_states_num): Delete.
1341         (struct automaton): Add locked_states field.
1342         (output_dead_lock_vect): Save number of locked states in
1343         automaton->locked_states.  If it is zero, don't print anything.
1344         (output_max_insn_queue_index_def): Define max_insn_queue_index const.
1345         (output_internal_dead_lock_func): Only test the dead_lock_vect
1346         for automata that have locked states.
1347         (output_statistics): Always print the number of locked states for
1348         each automaton.  Calculate total number of locked states here.
1349         (write_automata): Don't call output_dfa_max_issue_rate.
1350         * genattrtab.c: Define length_unit_log as a const variable.
1351         * genattr.c: Don't emit MAX_DFA_ISSUE_RATE.  Declare
1352         max_insn_queue_index const.
1353         * final.c (length_unit_log): Declare const.
1354         * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
1355
1356 2006-01-22  Zack Weinberg  <zackw@panix.com>
1357
1358         * genautomata.c:  Include vec.h, not varray.h.
1359         Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
1360         VLA_HWINT_ macros.  Change vla_hwint_t to a typedef for
1361         VEC(vect_el_t,heap) *.  Convert all uses of VLA_* macros to
1362         VEC_* macros operating on appropriately typed vectors, or to
1363         malloced arrays when the size is known in advance.  Const-ify
1364         many char* variables and function arguments.  No functional changes.
1365         * Makefile.in (build/varray.o): Delete rule.
1366         (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
1367         (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
1368
1369 2006-01-22  Zack Weinberg  <zackw@panix.com>
1370
1371         * gensupport.c: Define get_insn_name and record_insn_name here.
1372         (read_md_rtx): Call record_insn_name as appropriate.
1373         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
1374         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
1375         * genpreds.c, genrecog.c: Don't define get_insn_name nor
1376         record_insn_name.
1377         * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
1378         (BUILD_VARRAY): Delete.
1379         (genprognormal): Rename genprogmd.  Fold in all programs from
1380         genprognoprint; also attrtab.
1381         (build/genattrtab): Just mention genautomata.o and varray.o.
1382         Reorganize a bit, add comments to make the categories clearer.
1383
1384 2006-01-22  Zack Weinberg  <zackw@panix.com>
1385
1386         * genconditions.c (condition_table, add_condition): Delete.
1387         (write_conditions): Don't emit n_insn_conditions nor
1388         insn_elision_unavailable.  Issue the gcc version #ifdef here,
1389         inside the table, with no #else clause ...
1390         (write_header): ...not here.
1391         (write_writer): New function.
1392         (main): Don't initialize condition_table.  Use add_c_test.
1393         Call write_writer.
1394         * gensupport.c (init_md_reader_args_cb): Handle multiple input
1395         files on the command line.
1396         (maybe_eval_c_test): Don't check insn_elision_unavailable.
1397         Return -1 if there is no entry in the table, don't abort.
1398         (add_c_test, traverse_c_tests): New functions.
1399         * gensupport.h (insn_elision_unavailable, insn_conditions)
1400         (n_insn_conditions): Delete declarations.
1401         (add_c_test, traverse_c_tests): Declare.
1402         * read-rtl.c: Include gensupport.h.
1403         (read_conditions): New function.
1404         (read_rtx): If read_rtx_1 returns 0, treat as EOF.
1405         (read_rtx_1): If we get EOF when we were looking for an initial
1406         open paren, return 0.  Call read_conditions when appropriate.
1407         * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
1408         dummy-conditions.o.  Eliminate references to insn-conditions.o,
1409         or change them to build/gencondmd.o, as appropriate.  Remove
1410         insn-constants.h from $(simple_generated_h) and insn-conditions.c
1411         from $(simple_generated_c).  For all files remaining in those
1412         two lists, add insn-conditions.md to the generator command line.
1413         Give insn-constants.h/s-constants their own rules.  Add rules
1414         for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
1415         (build/read-rtl.o): Depend on gensupport.h.
1416         (genprognormal): Include preds.
1417         (genprogearly): Rename genprognoprint; only difference is now that
1418         they don't link with $(BUILD_PRINT).
1419         * dummy-conditions.c: Delete.
1420
1421 2006-01-22  Zack Weinberg  <zackw@panix.com>
1422
1423         * genextract.c: Don't include insn-config.h.  Do include vec.h.
1424         Declare vectors of int, char, and locstr.
1425         (locstr): New typedef.
1426         (struct extraction): Make all array fields into bare pointers.
1427         (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
1428         (insn_code_number): Delete.
1429         (accum_extract): New struct.
1430         (VEC_safe_set_locstr, VEC_char_to_string): New functions.
1431         (gen_insn): Take insn_code_number as an argument.  Use an
1432         accum_extract structure instead of loading data directly into
1433         a struct extraction, and having to know how big it might get.
1434         (walk_rtx): Operate entirely on an accum_extract structure.
1435         (print_path): Avoid unnecessary use of printf.
1436         (print_header): New function, split out of main.  Distinguish
1437         more carefully between an unrecognizable insn and an insn that
1438         has the code number of a define_expand.
1439         (main): Pass insn_code_number to gen_insn.  Call print_header
1440         only after parsing.  Avoid unnecessary use of printf.
1441         * Makefile.in (build/vec.o): New rule.
1442         (build/genextract): Depend on build/vec.o.
1443         (build/genextract.o): Don't depend on insn-config.h.
1444
1445 2006-01-22  Zack Weinberg  <zackw@panix.com>
1446
1447         * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
1448         $(RUN_GEN).  Use pattern rules to factor out as much boilerplate as
1449         practical.  Eliminate per-generator-program link rules.
1450
1451 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
1452
1453         PR middle-end/24437
1454         * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
1455         with a call expr to ...
1456         * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
1457
1458 2006-01-23  Richard Guenther  <rguenther@suse.de>
1459
1460         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
1461         before make_edge with conditional EDGE_TRUE_VALUE.
1462
1463 2006-01-23  Steven Bosscher  <stevenb.gcc@gmail.com>
1464         Jan Hubicka  <jh@suse.cz>
1465         Richard Guenther  <rguenther@suse.de>
1466
1467         PR rtl-optimization/25654
1468         * cfgexpand.c (aggregate_contains_union_type): New function.
1469         (add_alias_set_conflicts): Call it.  Make sure to add conflicts
1470         for structure variables that contain a union type.
1471
1472 2006-01-23  Richard Sandiford  <richard@codesourcery.com>
1473
1474         * gengtype.c (new_structure): Return the structure.
1475         (create_option): Add an extra "next" argument.
1476         (create_field): New function.
1477         (adjust_field_rtx_def): Use create_option and create_field.
1478         Remove a now-unnecessary call to find_structure.
1479         (adjust_field_tree_def): Likewise.
1480         (note_yacc_type): Remove an unnecessary call to find_structure.
1481         * gengtype.h (new_structure): Return the structure.
1482         (create_option): Add an extra argument.
1483         * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
1484         (option): Adjust calls to create_option.
1485
1486 2006-01-22  David Edelsohn  <edelsohn@gnu.org>
1487
1488         * config/rs6000/aix.h (STACK_BOUNDARY): Define.
1489
1490 2006-01-22  Paul Brook  <paul@codesourcery.com>
1491         Peter Barada  <peter@the-baradas.com>
1492
1493         * config/m68k/m68k.md: Add Coldfire FPU support.
1494         Define FP mode macro and associated attributes.
1495         Use it for float mode patterns.
1496         * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
1497         (LIBCALL_VALUE): Use m68k_libcall_value.
1498         * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
1499         (m68k_function_value): Ditto.
1500         (emit_move_sequence): Ditto.
1501         * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
1502         * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
1503         * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
1504         (MULTILIB_EXCEPTIONS): Ditto.
1505         * config/m68k/m68k.opt: Add mcfv4e.
1506         * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
1507         (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
1508         (m68k_output_function_prologue): Save ColdFire FPU registers.
1509         (m68k_output_function_epilogue): Restore ColdFire FPU registers.
1510         (force_mode, fp_reg_operand, emit_move_sequence): New functions.
1511         (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
1512         ColdFire FPU registers.
1513         (m68k_libcall_value, m68k_function_value): New functions.
1514         * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
1515         (LIBCALL_VALUE): Use m68k_libcall_value.
1516         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
1517         (MASK_COLDFIRE): Add MASK_CFV4E.
1518         (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
1519         (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
1520         (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
1521         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
1522         (GO_IF_LEGITIMATE_ADDRESS): Use it.
1523         (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
1524         * doc/invoke.tex: Document -mcfv4e on m68k.
1525
1526 2006-01-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
1527
1528         * doc/contribute.texi: Change CVS to SVN and update the corresponding
1529         URL.
1530
1531 2006-01-21  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1532
1533         PR c++/16190
1534         * c-opts.c (c_common_handle_option): Don't include
1535         -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
1536         * doc/invoke.texi (C++ Dialect Options): Document that
1537         -Wnon-virtual-dtor is no longer included in -Wall.
1538
1539 2006-01-21  Joseph S. Myers  <joseph@codesourcery.com>
1540
1541         * gcov.c (print_version), gcov-dump.c (print_version),
1542         mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
1543         dates.
1544
1545 2006-01-21  Kenneth Zadeck <zadeck@naturalbridge.com>
1546
1547         * df-scan.c (problem_SCAN): Added NULL reset function.
1548         (df_scan_reset_blocks): Added code to call reset block function
1549         (df_bb_refs_delete) Fixed comment.
1550         (df_insn_refs_delete): Made tolerant of deleting non existent info
1551         for dataflow problems that need to be reset.
1552         * df-core.c (df_set_blocks): Ditto.
1553         * df.h (struct df_problem): Added reset_fun.
1554         * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
1555         problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
1556         (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
1557         functions to clear out all references to def-use or use-def chains.
1558
1559 2006-01-21  Ben Elliston  <bje@au.ibm.com>
1560
1561         * varasm.c (assemble_real): Initialise data array.
1562
1563 2006-01-20  Paul Brook  <paul@codesourcery.com>
1564
1565         Merge from csl-arm-branch.
1566         2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
1567         * config/arm/arm.md (movdi): Force operands[1] to a register
1568         if we have a non-register source.
1569         (*arm_movdi, *movdf_soft_insn): Require that one of the
1570         operands be a register.
1571         * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
1572         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
1573
1574 2006-01-20  DJ Delorie  <dj@redhat.com>
1575
1576         * varasm.c (initialize_constant_valid_p): Allow pointers
1577         initialized from integer constants of lesser precision.
1578         (output_constant): Allow non-int-sized pointer modes to be
1579         initialized from integer constants.
1580
1581 2006-01-20  Joseph S. Myers  <joseph@codesourcery.com>
1582
1583         PR libstdc++/25524
1584         * cppdefault.h (struct default_include): Add multilib flag.
1585         * cppdefault.c (cpp_include_defaults): Set it.
1586         * c.opt (-imultilib): New option.
1587         * c-opts.c (imultilib): New.
1588         (c_common_handle_option): Handle -imultilib.
1589         (c_common_post_options): Likewise.
1590         * c-incpath.c (add_standard_paths, register_include_chains):
1591         Likewise.
1592         * c-incpath.h (register_include_chains): Add extra parameter.
1593         * gcc.c (do_spec_1): Generate -imultilib option.
1594         (The Specs Language): Update %I description.
1595         (process_command): Update copyright notice.
1596         * doc/cppopts.texi (-imultilib): Document.
1597         * doc/invoke.texi (-imultilib): Include in option summary.
1598         (%I): Update specs documentation.
1599
1600 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
1601
1602         * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
1603
1604 2006-01-20  Richard Sandiford  <richard@codesourcery.com>
1605
1606         * stmt.c (case_bit_test_cmp): Stabilize the sort using code
1607         label numbers.
1608
1609 2006-01-20  Richard Guenther  <rguenther@suse.de>
1610         Steven Bosscher <stevenb.gcc@gmail.com>
1611
1612         PR rtl-optimization/24626
1613         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
1614         EDGE_TRUE_VALUE if in RTL mode.
1615
1616         Revert
1617         2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
1618         * cfgrtl.c (rtl_verify_flow_info_1): Fix.
1619
1620 2006-01-20  Dirk Mueller  <dmueller@suse.com>
1621
1622         PR c++/5520
1623         * c-parser.c (c_parser_if_body): Use build_empty_stmt()
1624         instead of a special NOP marker.
1625         * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
1626         NOP marker handling.
1627         * c-common.h (empty_body_warning): Add forward declaration.
1628         * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
1629         Now uses IS_EMPTY_STMT() instead of special NOP markers.
1630
1631 2006-01-20  Paul Brook  <paul@codesourcery.com>
1632
1633         * Makefile.in (lang_checks): Keep going if mkdir fails.
1634
1635 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
1636
1637         * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
1638         be able to clean out basic block when not necessary.
1639         (df_scan_free): Fixed to properly delete information if df is
1640         unused before calling df_finish.
1641         (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
1642         df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
1643         or comment typos.
1644         (df_bb_refs_delete): New function.
1645         (df_refs_delete): Moved per block code to df_bb_refs_delete.
1646         * df-core.c (df_set_blocks): Added code to properly clean out
1647         unused blocks if they are not part of the blocks to consider.
1648         Added additional null check.
1649         (df_compact_blocks): Added basic block parameter to free_bb_fun to
1650         be able to clean out basic block when not necessary
1651         * df.h (df_free_bb_function): Ditto.
1652         (df_bb_refs_delete): New function.
1653         * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
1654         df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
1655         basic block parameter to be able to clean out basic block when not
1656         necessary.
1657         (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
1658         (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
1659         Fixed to properly delete information if df is unused before
1660         calling df_finish.
1661
1662 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
1663
1664         PR rtl-optimization/25799
1665         * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
1666         Corrected confluence operator to remove bits from op2 before oring
1667         with op1 rather than removing bits from op1.
1668         (df_ru_transfer_function): Corrected test on wrong bitmap which
1669         caused infinite loop.  Both of these problems were introduced in
1670         the dataflow rewrite.
1671
1672 2006-01-19  DJ Delorie  <dj@redhat.com>
1673
1674         * reload1.c (find_reload_regs): Note the details of reload
1675         failures in the dump file.
1676         (spill_failure): Likewise.
1677
1678 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
1679
1680         * loop-iv.c: Include df.h and hashtab.h.
1681         (enum iv_grd_result): New enum.
1682         (DF_REF_IV, DF_REF_IV_SET): New macros.
1683         (struct biv_entry): New.
1684         (df, bivs): New global variables.
1685         (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
1686         assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
1687         Removed.
1688         (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
1689         iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
1690         analyzed_for_bivness_p, record_biv): New functions.
1691         (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
1692         get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
1693         iv_analyze, biv_p, iv_analysis_done): Work with df representation of
1694         UD chains.
1695         (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
1696         analysed.
1697         (iv_number_of_iterations): Use new interface to iv analysis.
1698         * loop-unroll.c: Do not include varray.h.
1699         (analyze_iv_to_split_insn): Use new interface to iv
1700         analysis.
1701         * loop-unswitch.c (may_unswitch_on): Ditto.
1702         * df.c (df_bitmaps_free): Only work for bbs for that structures are
1703         allocated.
1704         (df_bb_modify): Realloc tables to the new index.
1705         (df_find_use): New function.
1706         * df.h (df_find_use): Declare.
1707         * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
1708         outmode.
1709         * cfgloop.h (struct rtx_iv): Remove analysed field.
1710         (iv_get_reaching_def): Removed.
1711         (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
1712         * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
1713         (loop-iv.o): Add df.h and hashtab.h dependency.
1714         * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
1715
1716 2006-01-20  Alan Modra  <amodra@bigpond.net.au>
1717
1718         PR target/25668
1719         * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
1720         Double TFmode.
1721         (__floatundisf, __floatundidf): Likewise.
1722         * libgcc2.h (IS_IBM_EXTENDED): Define.
1723
1724 2006-01-19  DJ Delorie  <dj@redhat.com>
1725
1726         * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
1727
1728 2006-01-19  Paul Brook  <paul@codesourcery.com>
1729
1730         * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
1731         as nothrow when unwinding tables are disabled.
1732
1733 2006-01-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1734
1735         PR testsuite/25171
1736         * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
1737         of bit-field" when in system header.
1738
1739 2006-01-19  DJ Delorie  <dj@redhat.com>
1740
1741         * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
1742         the 16 bit shift limit of the m16c.
1743
1744 2006-01-19  Andrew Pinski  <pinskia@physics.uc.edu>
1745
1746         PR target/22099
1747         * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
1748         * config/i386/i386.c (output_set_got): Output the label if we have one
1749         for the TARGET_DEEP_BRANCH_PREDICTION case.
1750
1751 2006-01-19  Jan Hubicka  <jh@suse.cz>
1752             H.J. Lu  <hongjiu.lu@intel.com>
1753             Evandro Menezes <evandro.menezes@amd.com>
1754
1755         * invoke.texi (generic): Document
1756         (i686) Update.
1757         * config.gcc: Make x86_64-* and i686-* default to generic tunning.
1758         * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
1759         TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
1760         (x86_use_incdec, x86_pad_returns): New variables
1761         (TARGET_CPU_DEFAULT_generic): New constant
1762         (TARGET_CPU_DEFAULT_NAMES): Add generic.
1763         (enum processor_type): Add generic32 and generic64.
1764         * i386.md (cpu attribute): Add generic32/generic64
1765         (movhi splitter): Behave sanely when both partial_reg_dependency and
1766         partial_reg_stall are set.
1767         (K8 splitters): Enable for generic as well.
1768         * predicates.md (incdec_operand): Use TARGET_INCDEC
1769         (aligned_operand): Avoid memory mismatch stalls.
1770         * athlon.md: Enable for generic64, new patterns for 128bit moves.
1771         * ppro.md: Enable for generic32
1772         * i386.c (generic64_cost, generic32_cost): New.
1773         (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
1774         (x86_use_leave): Enable for generic64.  (x86_use_sahf,
1775         x86_ext_80387_constants): Enable for generic32.  (x86_push_memory,
1776         x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
1777         x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1778         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1779         x86_partial_reg_dependency, x86_memory_mismatch_stall,
1780         x86_accumulate_outgoing_args, x86_prologue_using_move,
1781         x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1782         x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
1783         Enable for generic.
1784         (x86_use_incdec, x86_pad_returns): New.
1785         (override_options): Add generic32 and generic64, translate "generic"
1786         to generic32/generic64 and "i686" to "generic32", refuse
1787         "generic32"/"generic64" as arch target.
1788         (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
1789         (ix86_reorg): Honor PAD_RETURNS.
1790
1791 2006-01-19  Diego Novillo  <dnovillo@redhat.com>
1792
1793         * tree-pretty-print.c (dump_generic_node): Handle
1794         OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
1795         * cgraph.c (cgraph_expand_queue): Rename from
1796         cgraph_analyze_queue.  Update all users.
1797         * cgraphunit.c (cgraph_assemble_pending_functions): Process
1798         cgraph_expand_queue.
1799         (cgraph_expand_all_functions): Likewise.
1800         (cgraph_finalize_pending_functions): Remove.  Update callers.
1801
1802         * tree.h (OMP_DIRECTIVE_P): Define.
1803         (OMP_PARALLEL_FN): Define.
1804         (OMP_PARALLEL_DATA_ARG): Define.
1805         (OMP_SECTIONS_SECTIONS): Define.
1806         * tree-pass.h (pass_expand_omp): Declare.
1807         * omp-low.c (struct omp_region): Declare.
1808         (struct omp_context): Remove fields 'parallel_type',
1809         'parallel_start_ix' and 'parallel_start_additional_args'.
1810         Update all users.
1811         (struct omp_for_data): Rename from struct expand_omp_for_data.
1812         (omp_regions): New static variable.
1813         (root_omp_region): New static variable.
1814         (find_omp_clause): Make static.
1815         (is_in_combined_parallel_ctx): Remove.
1816         (is_combined_parallel): New.
1817         (extract_omp_for_data): Move earlier in the file.
1818         (workshare_safe_to_combine_p): New.
1819         (get_ws_args_for): New.
1820         (determine_parallel_type): Move earlier in the file.
1821         (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
1822         child function.
1823         (omp_copy_decl): Likewise.
1824         (create_omp_child_function): Likewise.
1825         (lookup_omp_region): New.
1826         (dump_omp_region): New.
1827         (debug_omp_region): New.
1828         (debug_all_omp_regions): New.
1829         (new_omp_region): New.
1830         (scan_omp_parallel): If parallel_nesting_level > 1, the
1831         directive is nested within another parallel directive.
1832         Set OMP_PARALLEL_FN.
1833         (scan_omp_for): Do not try to handle combined parallel+for
1834         cases.
1835         Remove FIXME comment.
1836         (scan_omp_nested): Remove.
1837         (scan_omp_1): Do not call scan_omp_nested when
1838         parallel_nesting_level is > 1.
1839         Do not change the DECL_CONTEXT of local variables found.
1840         (lookup_decl_in_outer_ctx): New.
1841         (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
1842         (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
1843         (lower_reduction_clauses): Rename from expand_reduction_clauses.
1844         (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
1845         If CTX is nested, lookup VAR in the outer context when
1846         building copy assignment.
1847         (lower_send_clauses): Rename from expand_send_clauses.
1848         If CTX is nested, lookup VAR in the outer context when
1849         building copy assignments.
1850         (lower_send_shared_vars): Rename from expand_send_shared_vars.
1851         If CTX is nested, lookup VAR in the outer context when
1852         building copy assignments.
1853         (expand_parallel_call): Rename from build_parallel_call.
1854         Handle combined parallel+workshare cases.
1855         Re-implement to emit code into the CFG.
1856         (list2chain): New.
1857         (expand_omp_parallel): Re-implement to emit code into the CFG.
1858         Call move_sese_region_to_fn to outline the sub-graph
1859         containing the parallel region.
1860         (expand_omp_for_1): Remove.
1861         (expand_omp_for_generic): Re-implement to emit code into the
1862         CFG.
1863         (expand_omp_for_static_nochunk): Likewise.
1864         (expand_omp_for_static_chunk): Likewise.
1865         (expand_omp_for): Likewise.
1866         (expand_omp_sections): Likewise.
1867         (remove_exit_barriers): New.
1868         (expand_omp_synch): New.
1869         (expand_omp): New.
1870         (build_omp_regions_1): New.
1871         (build_omp_regions): New.
1872         (execute_expand_omp): New.
1873         (gate_expand_omp): New.
1874         (pass_expand_omp): Define.
1875         (lower_omp_sections): Rename from expand_omp_sections.
1876         Set OMP_SECTIONS_SECTIONS.
1877         (lower_omp_single_simple): Rename from expand_omp_single_simple.
1878         (lower_omp_single_copy): Rename from expand_omp_single_copy.
1879         (lower_omp_single): Rename from expand_omp_simple.
1880         (lower_omp_master): Rename from expand_omp_master.
1881         (lower_omp_ordered): Rename from expand_omp_ordered.
1882         (lower_omp_critical): Rename from expand_omp_critical.
1883         (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
1884         (lower_omp_for): Re-implement.
1885         (lower_omp_parallel): Re-implement.
1886         (lower_regimplify): Rename from expand_regimplify.
1887         (lower_omp_1): Rename from expand_omp_1.
1888         If there are syntax errors in the program, replace every
1889         OpenMP directive with NOP.
1890         Call lower_omp_* instead of expand_omp_*.
1891         (lower_omp): Rename from expand_omp.
1892
1893         * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
1894         * tree-gimple.h (enum omp_parallel_type): Remove.
1895         (gimple_boolify): Declare extern.
1896         (find_omp_clause, determine_parallel_type): Remove.
1897
1898         * gimple-low.c (lower_omp_directive): New.
1899         (lower_stmt): Call it.
1900         (record_vars_into): Move from ...
1901         (record_vars): ... here.
1902         Call record_vars_into with current_function_decl.
1903
1904         * gimplify.c (struct gimplify_ctx): Remove fields
1905         combined_pre_p and combined_ctxp.  Update users.
1906         (get_formal_tmp_var): Add documentation.
1907         (gimple_boolify): Make extern.
1908         (gimplify_expr_in_ctx): Remove.  Update callers.
1909         (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
1910         will always be a BIND_EXPR.
1911         (gimplify_expr): Handle OMP_RETURN_EXPR.
1912         * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
1913         (OMP_PARALLEL): Add 3 operands.
1914         (OMP_SECTIONS): Add 1 operand.
1915         (OMP_RETURN_EXPR): Define.
1916
1917         * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
1918         (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
1919         * tree-iterator.c (alloc_stmt_list): Assert that we are not
1920         creating a circular free list.
1921         (free_stmt_list): Assert that we are not freeing stmt_list_cache.
1922
1923         * tree-flow.h (move_sese_region_to_fn): Declare.
1924         (record_vars_into): Declare.
1925         * tree-cfg.c (make_omp_sections_edges): New.
1926         (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
1927         OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
1928         OMP_SECTIONS and OMP_SECTION.
1929         (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
1930         (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
1931         (verify_stmt): Do not handle OMP_DIRECTIVE_P.
1932         (gather_blocks_in_sese_region): New.
1933         (struct move_stmt_d): Declare.
1934         (move_stmt_r): New.
1935         (move_block_to_fn): New.
1936         (move_sese_region_to_fn): New.
1937
1938         * passes.c (init_optimization_passes): Schedule
1939         pass_expand_omp after pass_init_datastructures.
1940
1941         * tree-ssa-operands.c (get_expr_operands): Handle
1942         OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
1943         OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
1944
1945 2006-01-19  Jeff Law  <law@redhat.com>
1946
1947         * tree-vrp.c (extract_range_from_assert): Refine the result range
1948         if the variable referenced by the ASSERT_EXPR has a range and
1949         either the tentative result range or the previous range is a
1950         VR_ANTI_RANGE.
1951
1952 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
1953
1954         * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
1955
1956 2006-01-19  Jan Hubicka  <jh@suse.cz>
1957
1958         * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
1959
1960 2006-01-19  Paolo Bonzini  <bonzini@gnu.org>
1961
1962         * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
1963         (expand_compound_operation, expand_field_assignment): Fail if the
1964         bit lengths of an extract operation are out of range.
1965         (make_extraction): Compute wanted_inner_mode based on the position
1966         and length of the extraction.  Make it extraction_mode for non-constant
1967         positions, and do not modify offset in that case.  When generating a
1968         new MEM, use a mode that can hold the extraction while keeping correct
1969         alignment.  Remove code that supported MEMs wrapped by USEs.
1970         (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
1971
1972 2006-01-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1973
1974         * config/s390/s390.md ("Y", "y"): New mode attribute.
1975         ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1976         "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
1977         "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
1978         "*addsi3_imm_cc", "*addsi3_carry1_cc",
1979         "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
1980         "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
1981         "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
1982         "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
1983         "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
1984         "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
1985         "addsi3", "subsi3"): Insn patterns removed.
1986         ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
1987         "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
1988         "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
1989         "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
1990         "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
1991         "*sub<mode>3_cconly2"): New insn patterns.
1992         ("addsi3", "subsi3"): New expanders.
1993
1994 2006-01-19  Dorit Nuzman  <dorit@il.ibm.com>
1995
1996         * Makefile.in (tree-vect-patterns.o): Add rule for new file.
1997         * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
1998         existing STMT_VINFO_VECTYPE if available.
1999         (vect_mark_relevant): Add special handling for stmts that are
2000         marked as STMT_VINFO_IN_PATTERN_P.
2001         (vect_analyze_loop): Call vect_pattern_recog.
2002         * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2003         * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
2004         stmt_info.
2005         (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
2006         (vect_recog_func_ptr): New function-pointer type.
2007         * tree-vect-patterns.c: New file.
2008         (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
2009         (vect_recog_dot_prod_pattern, vect_pattern_recog):
2010         (vect_pattern_recog_1): New functions.
2011         (vect_pattern_recog_funcs): New array of function pointers.
2012
2013         * tree-vectorizer.h (ternary_op): New enum value.
2014         * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
2015         declaration. Revised documentation. Removed redundant dump prints.
2016         Removed redundant argument. Added support for reduction patterns.
2017         (vectorizable_reduction): Added support for reduction patterns.
2018         (vect_transform_stmt): Added support for patterns.
2019
2020         * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
2021         * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
2022         * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
2023         (expand_widen_pattern_expr): New function.
2024         (init_optabs): Initialize new optabs udot_prod_optab,
2025         sdot_prod_optab.
2026         * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
2027         (sdot_prod_optab, udot_prod_optab): Define new optabs.
2028         (expand_widen_pattern_expr): New function declaration.
2029         * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
2030         tree-codes.
2031         * tree-inline.c (estimate_num_insns_1): Added cases for new
2032         tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2033         * tree-pretty-print.c (dump_generic_node): Likewise.
2034         (op_prio): Likewise.
2035         (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2036         * tree-ssa-operands.c (get_expr_operands): Added case for
2037         DOT_PROD_EXPR.
2038         * tree-vect-patterns.c (widened_name_p): New function.
2039         (vect_recog_dot_prod_pattern): Added function implementation.
2040         * tree-vect-transform.c (get_initial_def_for_reduction): Added
2041         cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
2042         * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
2043         * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
2044
2045         * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
2046         * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
2047         * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
2048         (init_optabs): Initialize new optabs widen_ssum_optab,
2049         widen_usum_optab.
2050         * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
2051         (widen_ssum_optab, widen_usum_optab): Define new optabs.
2052         * tree-vect-generic.c: (expand_vector_operations_1): Check type of
2053         use instead of type of def.
2054         * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
2055         function implementation.
2056         * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
2057         widen_ssumv8hi): New.
2058
2059         * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
2060         patterns.
2061
2062 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
2063
2064         PR c/25805
2065         * c-decl.c (add_flexible_array_elts_to_size): New function.
2066         (finish_decl): Use it.
2067
2068 2006-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
2069
2070         * diagnostic.h: Include options.h.
2071         * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
2072         dependancies for diagnostic.h.
2073         * Makefile.in (DIAGNOSTIC_H): Add options.h.
2074
2075 2006-01-16  Daniel Berlin  <dberlin@dberlin.org>
2076
2077         * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
2078         (ssa_ro_call_cache_valid): Ditto.
2079         * tree-ssa-alias.c (sort_tags_by_id): New function.
2080         (init_transitive_clobber_worklist): Ditto.
2081         (add_to_worklist): Ditto.
2082         (mark_aliases_call_clobbered): Ditto.
2083         (compute_tag_properties): Ditto.
2084         (set_initial_properties): Ditto.
2085         (compute_call_clobbered): Ditto.
2086         (compute_may_aliases):  Call compute_call_clobbered and grouping.
2087         (compute_flow_sensitive_aliasing): Remove clobbering related code.
2088         (compute_flow_insensitive_aliasing): Grouping now happens in our
2089         caller.
2090         (setup_pointers_and_addressables): Remove clobbering related code.
2091         (add_may_alias): Ditto.
2092         (replace_may_alias): Ditto.
2093         (get_nmt_for): Ditto.
2094         (create_global_var):
2095         (is_escape_site): Return an escape_type enumeration.
2096         * tree-flow-inline.h (is_call_clobbered):  Global var does not
2097         imply call clobbered.
2098         (mark_call_clobbered): Take a reason for marking this. Remove
2099         marking of globalness, and cache invalidation.
2100         (clear_call_clobbered): Remove cache invalidation code.
2101         * tree-dfa.c (dump_variable): If details is on, dump the reason
2102         for escaping.
2103         * tree-outof-ssa.c (create_temp): Copy escape mask from original
2104         variable.
2105         * tree-flow.h (struct ptr_info_def): Add escape mask member.
2106         (struct var_ann_d): Ditto.
2107         (enum escape_type): New.
2108         (mark_call_clobbered): Adjust prototype.
2109         * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
2110         are never call clobbered.
2111         Record reasons for escaping.
2112         * tree-ssa-structalias.h (is_escape_site): Update prototype.
2113         * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
2114         (ssa_ro_call_cache_valid): Ditto.
2115         (clobbered_v_may_defs): Ditto.
2116         (clobbered_vuses): Ditto.
2117         (ro_call_vuses): Ditto.
2118         (clobber_stats): New.
2119         (init_ssa_operands): Zero out clobber stats.
2120         (fini_ssa_operands): Print out clobber stats.
2121         (get_call_expr_operands): Pass callee fndecl to
2122         add_call_read_ops).
2123         (add_call_clobber_ops): Remove use of cache.
2124         Add use of PURE_CONST information.
2125         (add_call_read_ops): Remove use of cache.
2126         Add use of static not_read information.
2127
2128 2006-01-18  Alexandre Oliva  <aoliva@redhat.com>
2129
2130         Introduce TLS descriptors for i386 and x86_64.
2131         * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
2132         (TARGET_ANY_GNU_TLS): New macro.
2133         (enum tls_dialect): Added TLS_DIALECT_GNU2.
2134         (struct machine_function): Add tls_descriptor_call_expanded_p.
2135         (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
2136         (ix86_current_function_calls_tls_descriptor): Likewise.
2137         * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
2138         (override_options): Introduce gnu2 tls dialect.
2139         (ix86_frame_pointer_required): Functions containing TLSCALLs are
2140         not leaves.
2141         (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
2142         Likewise.
2143         (legitimize_tls_address): Adjust logic for GNU2 TLS.
2144         (ix86_init_machine_status): Initialize new field.
2145         (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
2146         (ix86_tls_module_base): New.
2147         * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
2148         * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
2149         (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
2150         (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
2151         (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
2152         (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
2153         (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
2154         (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
2155         * config/i386/predicates.md (tls_modbase_operand): New.
2156         (tp_or_register_operand): New.
2157
2158 2006-01-18  Daniel Berlin  <dberlin@dberlin.org>
2159
2160         * ipa-reference.c (check_operand):  Allow FUNCTION_DECL.
2161         (look_for_address_of): Ditto.
2162         (ipa_init): Walk the function decls.
2163         (static_execute): Don't set readonly on FUNCTION_DECL's.
2164
2165 2006-01-18  Roger Sayle  <roger@eyesopen.com>
2166
2167         * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
2168         for shifts where the source and destination registers are different.
2169
2170 2006-01-18  Paul Brook  <paul@codesourcery.com>
2171
2172         Merge from csl-arm-branch.
2173         2005-03-14  Julian Brown  <julian@codesourcery.com>
2174         * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
2175         (aeabi_llsl): Likewise.
2176         (ashrdi3): Likewise.
2177         (aeabi_lasr): Likewise.
2178         (lshrdi3): Likewise.
2179         (aeabi_llsr): Likewise.
2180         2005-03-10  Julian Brown  <julian@codesourcery.com>
2181         * config.gcc: Disable shared libgcc for SymbianOS.
2182         * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
2183
2184 2006-01-18  DJ Delorie  <dj@redhat.com>
2185
2186         * c-pragma.c (handle_pragma_diagnostic): New.
2187         (init_pragma): Register it.
2188         * doc/extend.texi: Document it.
2189
2190         * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
2191         * diagnostic.h (diagnostic_classify_diagnostic): Declare.
2192         (diagnostic_context): Add classify_diagnostic[].
2193         * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
2194         as errors if they're overridden to DK_WARNING.
2195         (diagnostic_initialize): Initialize classify_diagnostic[].
2196         (diagnostic_set_kind_override): New.
2197         (diagnostic_report_diagnostic): Check for kind changes.
2198         * opts.c (common_handle_option): Take lang_mask.  Update callers.
2199         Handle OPT_Werror_.
2200         * common.opt (Werror=): New.
2201         * doc/invoke.texi: Document -Werror=*
2202
2203 2006-01-18  Jeff Law  <law@redhat.com>
2204
2205         * tree-vrp.c (test_for_singularity): Correct test for new
2206         min limit.  Use operand_equal_p rather than pointer equality
2207         for testing if new min/max values are equal.
2208
2209         * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
2210         using range information until after propagation and folding.
2211
2212 2006-01-18  Richard Henderson  <rth@redhat.com>
2213             Aldy Hernandez  <aldyh@redhat.com>
2214             Jakub Jelinek  <jakub@redhat.com>
2215             Diego Novillo  <dnovillo@redhat.com>
2216
2217         * omp-low.c: New file.
2218         * c-omp.c: New file.
2219
2220 2006-01-18  Richard Henderson  <rth@redhat.com>
2221             Jakub Jelinek  <jakub@redhat.com>
2222             Diego Novillo  <dnovillo@redhat.com>
2223
2224         * doc/invoke.texi: Document -fopenmp.
2225         * tree-dump.h (debug_function): Declare.
2226         * hooks.c (hook_bool_tree_bool_false): New function.
2227         (hook_tree_tree_null): Remove.
2228         (hook_tree_tree_tree_null): New.
2229         * hooks.h: Update to match.
2230         * tree-pretty-print.c (debug_tree_chain): New.
2231         (print_generic_expr): Handle TDF_CHAIN.
2232         (dump_generic_node): Handle BLOCK.
2233         Do not abort with incomplete SWITCH_EXPRs.
2234         Do not dump body of an OpenMP directive if TDF_SLIM is given.
2235         <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
2236         print space after directive name.
2237         <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
2238         Handle OMP_MASTER and OMP_ORDERED.
2239         Handle printing of OMP_BODY just in one place, goto
2240         dump_omp_body in the rest of OMP_* nodes that have
2241         OMP_BODY.
2242         Don't handle clause nodes here.  Update omp statements to
2243         use dump_omp_clauses.
2244         Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
2245         OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
2246         OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
2247         GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
2248         GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
2249         GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
2250         Adjust output for GOMP_PARALLEL.
2251         (dump_omp_clauses): New.
2252         (print_declaration): Dump DECL_VALUE_EXPR.
2253         (op_symbol_1): Split out of op_symbol.
2254         (dumping_stmts): Remove.  Update all users.
2255         * cgraph.c (cgraph_analyze_queue): New.
2256         (cgraph_add_new_function): New.
2257         * cgraph.h (cgraph_analyze_queue): Declare.
2258         (cgraph_add_new_function): Declare.
2259         (cgraph_lower_function): Remove.
2260         * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
2261         nodes.  Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
2262         and TYPE_P nodes in its default clause.
2263         (empty_body_p): New.
2264         (tree_range_check_failed): New.
2265         (build5_stat): New.
2266         * tree.h (OMP_CLAUSE_REDUCTION_INIT,
2267         OMP_CLAUSE_REDUCTION_MERGE,
2268         OMP_CLAUSE_REDUCTION_PLACEHOLDER,
2269         OMP_CLAUSE_PRIVATE_DEBUG,
2270         OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
2271         OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
2272         OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
2273         OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
2274         OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
2275         OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
2276         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
2277         OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
2278         OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
2279         OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
2280         OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
2281         OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
2282         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
2283         OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
2284         (TREE_RANGE_CHECK): New.
2285         (empty_body_p): Declare.
2286         (enum omp_clause_default_kind): New.
2287         (build_string_literal): Declare.
2288         (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
2289         (build5_stat, build5): Declare.
2290         * tree-pass.h (TDF_CHAIN): Define.
2291         * tree-pass.h (PROP_gimple_lomp): Define.
2292         (pass_lower_omp): Declare.
2293         * diagnostic.h (debug_tree_chain): Declare.
2294         * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
2295         mode_for_size.
2296         (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
2297         * builtins.c (build_string_literal): Make extern.
2298         * gcc.c (include_spec_function): New.
2299         (static_spec_functions): Add it.
2300         (main): Move load of libgomp.spec ...
2301         (LINK_COMMAND_SPEC): ... here.
2302         (link_gomp_spec): New.
2303         (static_specs): Include it.
2304         (LINK_COMMAND_SPEC): Add link_gomp.
2305         (GOMP_SELF_SPECS): New.
2306         (driver_self_specs): Include it.
2307         (switch_matches): Don't mark inline.
2308         (main): Load libgomp.spec.
2309         * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
2310         OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
2311         and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
2312         * tree-gimple.h (enum omp_parallel): Declare.
2313         (determine_parallel_type): Declare.
2314         (omp_firstprivatize_variable): Declare.
2315         (omp_reduction_init): Declare.
2316         (diagnose_omp_structured_block_errors): Declare.
2317         (struct walk_stmt_info): Add want_return_expr.
2318         (struct walk_stmt_info): Add want_bind_expr, want_locations.
2319         (find_omp_clause): Declare.
2320         (insert_field_into_struct): Declare.
2321         (struct walk_stmt_info): Move from tree-nested.c
2322         (walk_stmts): Declare.
2323         * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
2324         to 200505.
2325         * cgraphunit.c (cgraph_lower_function): Make static.
2326         (cgraph_finalize_pending_functions): New.
2327         (cgraph_finalize_function): Call it.
2328         (cgraph_finalize_compilation_unit): Likewise.
2329         * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
2330         BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
2331         (BT_FN_UINT_UINT): New.
2332         (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
2333         DEF_FUNCTION_TYPE_VAR_4): Document.
2334         (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
2335         BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
2336         BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
2337         BT_FN_VOID_OMPFN_PTR_UINT_UINT,
2338         BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
2339         BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
2340         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
2341         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
2342         * builtins.def: Update DEF_BUILTIN comment to include COND argument.
2343         Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
2344         into separate files.
2345         (DEF_GOMP_BUILTIN): New.
2346         (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
2347         BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
2348         BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
2349         BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
2350         BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
2351         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
2352         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
2353         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
2354         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
2355         BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
2356         BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
2357         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
2358         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
2359         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
2360         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
2361         BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
2362         BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
2363         BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
2364         BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
2365         BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
2366         BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
2367         BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
2368         BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
2369         BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
2370         BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
2371         BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
2372         * sync-builtins.def: New file, moved from builtins.def.
2373         * omp-builtins.def: New file, moved from builtins.def.
2374         * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
2375         * gimple-low.c (lower_function_body): Clear data.
2376         (lower_stmt): Do not handle COMPOUND_EXPR.
2377         Remove call to print_node_brief.
2378         * c-tree.h (c_finish_omp_clauses): New prototype.
2379         (C_DECL_THREADPRIVATE_P): Define.
2380         (lookup_name_no_remap, c_omp_remap_private): Remove
2381         (c_begin_omp_parallel, c_finish_omp_parallel): Update.
2382         (check_for_loop_decls): Update decl.
2383         (lookup_name_no_remap, c_omp_remap_private): Declare.
2384         (build_indirect_ref, build_modify_expr, pushdecl,
2385         pushdecl_top_level): Move to c-common.h.
2386         * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
2387         before the switch, but just in the 2 places that need it.
2388         * c-decl.c (diagnose_mismatched_decls): Do not check for
2389         mismatched thread-local attributes when OLDDECL is marked
2390         threadprivate and NEWDECL has no thread-local attributes.
2391         (merge_decls): Merge C_DECL_THREADPRIVATE_P.
2392         (c_gimple_diagnostics_recursively): Rename from
2393         c_warn_unused_result_recursively.  Invoke
2394         diagnose_omp_structured_block_errors.
2395         (check_for_loop_decls): Return a singular decl found.
2396         * langhooks.c (lhd_omp_predetermined_sharing): Return
2397         OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
2398         (lhd_omp_firstprivatize_type_sizes): New.
2399         (lhd_omp_assignment): New.
2400         (lhd_omp_predetermined_sharing): New.
2401         * langhooks.h (struct gimplify_omp_ctx): Forward declare.
2402         (struct lang_hooks_for_types): Add
2403         omp_firstprivatize_type_sizes, omp_privatize_by_reference,
2404         omp_predetermined_sharing, omp_disregard_value_expr,
2405         omp_private_debug_clause, omp_clause_default_ctor,
2406         omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
2407         (c_finish_omp_clauses): New.
2408         (c_finish_bc_stmt): Diagnose break within omp for.
2409         (c_begin_omp_parallel, c_finish_omp_parallel): New.
2410         (build_unary_op): Return error_mark after reporting
2411         a readonly_error.
2412         (build_modify_expr): Likewise.
2413         * gimplify.c: Include optabs.h and pointer-set.h.
2414         (enum gimplify_omp_var_data): Declare.
2415         (struct gimplify_omp_ctx): Declare.
2416         (struct gimplify_ctx): Add fields prev_context, combined_pre_p
2417         and combined_ctxp.
2418         (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
2419         (push_gimplify_context, pop_gimplify_context): Allow nesting.
2420         (splay_tree_compare_decl_uid): New.
2421         (new_omp_context): New.
2422         (delete_omp_context): New.
2423         (gimple_add_tmp_var): Call omp_add_variable.
2424         (gimplify_bind_expr): Likewise.
2425         (gimplify_var_or_parm_decl): If omp_notice_variable returned
2426         true, disregard DECL_VALUE_EXPR on the decl if any.
2427         (gimplify_expr_in_ctx): New.
2428         (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
2429         omp_add_variable, omp_notice_variable, omp_is_private
2430         gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
2431         gimplify_adjust_omp_clauses, gimplify_omp_parallel
2432         gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
2433         gimplify_omp_atomic_fetch_op, goa_stabilize_expr
2434         gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
2435         gimplify_omp_atomic): New.
2436         (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2437         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2438         OMP_CRITICAL and OMP_ATOMIC.
2439         (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
2440         * c-pragma.h (enum pragma_kind): Add
2441         PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
2442         PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
2443         PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
2444         PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
2445         PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
2446         PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
2447         PRAGMA_OMP_THREADPRIVATE.
2448         * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2449         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2450         OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
2451         OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
2452         OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
2453         OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
2454         OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
2455         OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
2456         OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
2457         * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
2458         * tree-ssa-dce.c (find_control_dependence): Do not assume that
2459         ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
2460         * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
2461         OpenMP directives.
2462         (struct nesting_info): Add field_map,
2463         suppress_expansion, debug_var_chain.
2464         (create_nesting_tree): Initialize them.
2465         (lookup_field_for_decl): Use field_map.
2466         (get_nonlocal_debug_decl, get_local_debug_decl): New.
2467         (convert_local_omp_clauses): New.
2468         (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
2469         (walk_body): Split out of walk_function.
2470         (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
2471         (convert_nonlocal_reference): Handle omp statements.
2472         (convert_local_reference): Likewise.
2473         (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
2474         (unnest_nesting_tree): New.
2475         (lower_nested_functions): Call it.
2476         (insert_field_into_struct): Make extern.
2477         (struct walk_stmt_info): Move to tree-gimple.h.
2478         (walk_stmts): Make extern.
2479         * omp-builtins.def: New file.
2480         * tree-iterator.c (expr_only): Clarify comment.
2481         * c-common.h (pushdecl_top_level, pushdecl,
2482         build_modify_expr, build_indirect_ref,
2483         c_finish_omp_master, c_finish_omp_critical,
2484         c_finish_omp_ordered, c_finish_omp_barrier,
2485         c_finish_omp_atomic, c_finish_omp_flush,
2486         c_finish_omp_for, c_split_parallel_clauses,
2487         omp_clause_default_kind, c_omp_sharing_predetermined,
2488         c_omp_remap_decl): Declare.
2489         * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
2490         (OBJS-common): Add omp-low.o.
2491         (c-omp.o, omp-low.o): Add.
2492         (gimplify.o): Add dependency on $(OPTABS_H).
2493         (GTFILES): Add omp-low.c.
2494         (gt-stringpool.h): Add.
2495         * tree-cfg.c (set_bb_for_stmt): Do not update the
2496         block-to-labels map if we are currently expanding to RTL.
2497         (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
2498         checks.
2499         Handle IDENTIFIER_NODE.
2500         (tree_verify_flow_info): Do not ICE when emitting error
2501         messages about invalid labels.
2502         (dump_function_to_file): Reset CFUN before emitting the body
2503         of the function.
2504         (debug_function): New.
2505         * passes.c (init_optimization_passes): Schedule
2506         pass_lower_omp.
2507         * langhooks-def.h (lhd_omp_predetermined_sharing,
2508         lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
2509         Declare.
2510         (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
2511         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
2512         (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
2513         LANG_HOOKS_OMP_PREDETERMINED_SHARING,
2514         LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
2515         LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
2516         LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
2517         LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
2518         LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
2519         LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
2520         (LANG_HOOK_DECLS): Use them.
2521
2522 2006-01-18  Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
2523             Richard Henderson  <rth@redhat.com>
2524             Jakub Jelinek  <jakub@redhat.com>
2525             Diego Novillo  <dnovillo@redhat.com>
2526
2527         * c-parser.c (pragma_omp_clause): Define.
2528         (c_parser_declaration_or_fndef): Document OpenMP syntax.
2529         (c_parser_compound_statement): Likewise.
2530         (c_parser_statement): Likewise.
2531         (c_parser_pragma): Handle omp pragmas.
2532         (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
2533         OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
2534         (c_parser_omp_clause_name, check_no_duplicate_clause,
2535         c_parser_omp_variable_list,
2536         c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
2537         c_parser_omp_clause_copyprivate,
2538         c_parser_omp_clause_default,
2539         c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
2540         c_parser_omp_clause_lastprivate,
2541         c_parser_omp_clause_nowait,
2542         c_parser_omp_clause_num_threads,
2543         c_parser_omp_clause_ordered, c_parser_omp_clause_private,
2544         c_parser_omp_clause_reduction,
2545         c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
2546         c_parser_omp_all_clauses, c_parser_omp_structured_block,
2547         c_parser_omp_atomic, c_parser_omp_barrier,
2548         c_parser_omp_critical, c_parser_omp_flush,
2549         c_parser_omp_for_loop, c_parser_omp_for,
2550         c_parser_omp_master, c_parser_omp_ordered,
2551         c_parser_omp_sections_scope, c_parser_omp_sections,
2552         c_parser_omp_parallel, c_parser_omp_single,
2553         c_parser_omp_construct, c_parser_omp_threadprivate): New.
2554         * c-pragma.c (init_pragma): Do omp pragma registration here.
2555         * c.opt (fopenmp): New flag.
2556
2557 2006-01-18  Eric Christopher  <echristo@apple.com>
2558
2559         * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
2560         * config/darwin.h (GOMP_SELF_SPECS): Define.
2561
2562 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
2563
2564         * rtl.h: Remove the prototype for reg_alloc.
2565
2566 2006-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2567
2568         PR target/25731
2569         * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
2570         hppa[12]*-*-hpux11*): Override default shared libgcc version for both
2571         sjlj and dwarf2 exception handling.
2572         * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
2573         Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
2574         * pa/pa.c (function_value): Treat complex and vector types as
2575         aggregates.
2576         (function_arg): Likewise.  Only pass scalar floats in the floating
2577         point argument registers.
2578         * pa/t-slibgcc-dwarf-ver: New file.
2579         * pa/t-slibgcc-sjlj-ver: New file.
2580         * pa/t-slibgcc-elf-ver: Delete file.
2581
2582 2006-01-19  Alan Modra  <amodra@bigpond.net.au>
2583
2584         * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
2585         unlikely_test_section_p test.
2586
2587 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
2588
2589         * mode-switching.c (optimize_mode_switching): Make it static.
2590         * basic-block.h: Remove the prototype for
2591         optimize_mode_switching.
2592
2593         * modulo-sched.c (sms_schedule): Make it static.
2594         * rtl.h: Remove the prototype for sms_schedule.
2595
2596         * postreload-gcse.c (gcse_after_reload_main): Make it static.
2597         * rtl.h: Remove the prototype for gcse_after_reload_main.
2598
2599         * reg-stack.c (reg_to_stack): Make it static.
2600         * rtl.h: Remove the prototype for reg_to_stack.
2601
2602         * regrename.c (regrename_optimize, copyprop_hardreg_forward):
2603         Make them static.
2604         * rtl.h: Remove the prototypes for regrename_optimize and
2605         copyprop_hardreg_forward.
2606
2607 2006-01-18  Eric Botcazou  <ebotcazou@adacore.com>
2608
2609         * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
2610         alpha_split_tmode_pair.  Add 'mode' and 'fixup_overlap' arguments.
2611         Test against the appropriate null constant for the mode.
2612         If 'fixup_overlap' is true, swap the operands if they overlap.
2613         (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
2614         * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
2615         alpha_split_tmode_pair and adjust for above change.
2616         * config/alpha/alpha.md (movtf_internal): Adjust call to
2617         alpha_split_tfmode_pair and rely on it to swap the operands.
2618         (movti_internal): New insn and post-reload splitter.
2619         (movti): New expander.
2620
2621 2006-01-18  Philippe De Muyter  <phdm@macqel.be>
2622
2623         * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
2624         operands.
2625
2626 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
2627
2628         * rtlanal.c (global_reg_mentioned_p_1,
2629         global_reg_mentioned_p): Remove.
2630         * rtl.h: Remove the prototype for global_reg_mentioned_p.
2631
2632         * flow.c (initialize_uninitialized_subregs): Make it static.
2633         * rtl.h: Remove the prototype for
2634         initialize_uninitialized_subregs.
2635
2636         * function.c (instantiate_virtual_regs): Make it static.
2637         * function.h: Remove the prototype for
2638         instantiate_virtual_regs.
2639
2640         * regmove.c (regmove_optimize, combine_stack_adjustments):
2641         Make them static.
2642         * rtl.h: Remove the prototypes for regmove_optimize and
2643         combine_stack_adjustments.
2644
2645 2006-01-17  Roger Sayle  <roger@eyesopen.com>
2646
2647         * config/i386/i386.c (COSTS_N_BYTES): New macro.
2648         (size_cost): Encode costs in bytes so that a reg-reg addition is
2649         equivalent to COSTS_N_INSNS(1).
2650         (override_options): Use the size_cost.branch_cost as the default
2651         ix86_branch_cost when optimizing for size.
2652
2653 2006-01-18  Ben Elliston  <bje@au.ibm.com>
2654
2655         * Makefile.in (D32PBIT_FUNCS): New.
2656         (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
2657         (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
2658         D64PBIT_FUNCS and D128PBIT_FUNCS.
2659         (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
2660         * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
2661         D128PBIT are set.
2662         (decnumber_dep): Define.
2663         * doc/libgcc.texi (Decimal float library routines): New node.
2664         * config/dfp-bit.h, config/dfp-bit.c: New files.
2665
2666 2006-01-18  Ben Elliston  <bje@au.ibm.com>
2667
2668         * expr.c (emit_move_change_mode): Always adjust addresses, not
2669         just during reload.  Copy replacements only during reload.
2670         (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
2671         emit_move_via_integer.
2672
2673 2006-01-17  Shantonu Sen  <ssen@opendarwin.org>
2674
2675         * Makefile.in (check-%, check-consistency): Use $${srcdir}
2676         instead of $(srcdir) and ${srcdir}.
2677
2678 2006-01-17  Richard Earnshaw  <rearnsha@arm.com>
2679
2680         PR target/592
2681         PR middle-end/11135
2682         * arm.h (struct machine_function): Add pic_reg.
2683         * arm.c (arm_pic_register): Make unsigned.
2684         (arm_override_options): Only set arm_pic_register if
2685         TARGET_SINGLE_PIC_BASE.
2686         (use_return_insn): Only test for a pic register if it is fixed.
2687         (arm_compute_save_reg0_reg12_mask): Likewise.
2688         (thumb_compute_save_reg_mask): Likewise.
2689         (legitimate_pic_operand): Factor out some known invariants.
2690         (legitimize_pic_address): If we don't have a fixed pic register,
2691         then set up a pseudo in the function entry sequence.  Handle the
2692         pic base being in a pseudo.
2693         (arm_load_pic_register): Handle the pic register being in a pseudo.
2694         (arm_expand_prologue): Only set up the pic register if it is fixed.
2695         (thumb_expand_prologue): Likewise.
2696         * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
2697         (pic_load_addr_based_insn): Likewise.
2698         (builtin_setjmp_receiver): Don't restore the pic base if it isn't
2699         fixed.
2700
2701 2006-01-18  Ben Elliston  <bje@au.ibm.com>
2702
2703         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
2704         decimal float modes for all floating point registers.
2705
2706         * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
2707         match_code "mem" with match_test "macho_lo_sum_memory_operand".
2708
2709 2006-01-17  Jakub Jelinek  <jakub@redhat.com>
2710
2711         PR c/25682
2712         * c-typeck.c (build_unary_op): Fold offsetof-like expressions
2713         even when the pointer is not NULL.
2714
2715 2006-01-16  Ian Lance Taylor  <ian@airs.com>
2716
2717         * common.opt (ftoplevel-reorder): New option.
2718         * cgraph.c (cgraph_asm_nodes): New global variable.
2719         (cgraph_asm_last_node): New static variable.
2720         (cgraph_order): New global variable.
2721         (cgraph_create_node): Set new order field.
2722         (cgraph_varpool_node): Likewise.
2723         (decide_is_variable_needed): Return true if not
2724         flag_toplevel_reorder.
2725         (cgraph_add_asm_node): New function.
2726         * cgraph.h (struct cgraph_node): Add order field.
2727         (struct cgraph_varpool_node): Add order field.
2728         (struct cgraph_asm_node): Define.
2729         (cgraph_asm_nodes, cgraph_order): Declare.
2730         (cgraph_add_asm_node): Declare.
2731         * cgraphunit.c (cgraph_varpool_assemble_decl): New static
2732         function.
2733         (cgraph_varpool_assemble_pending_decls): Call it.
2734         (cgraph_output_pending_asms): New static function.
2735         (cgraph_finalize_compilation_unit): Call it.
2736         (struct cgraph_order_sort): Define.
2737         (cgraph_output_in_order): New static function.
2738         (cgraph_optimize): Call cgraph_output_pending_asms.  Add code for
2739         !flag_toplevel_reorder case.
2740         * c-parser.c: Include "cgraph.h".
2741         (c_parser_asm_definition): Call cgraph_add_asm_node rather than
2742         assemble_asm.
2743         * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
2744         than -fno-unit-at-a-time.
2745         * doc/invoke.texi (Option Summary): Mention
2746         -fno-toplevel-reorder.
2747         (Optimize Options): Document -fno-toplevel-reorder.  Mention it in
2748         -funit-at-a-time documentation.
2749
2750 2006-01-17  Hans-Peter Nilsson  <hp@axis.com>
2751             Kazu Hirata  <kazu@codesourcery.com>
2752
2753         * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
2754
2755 2006-01-17  Kazu Hirata  <kazu@codesourcery.com>
2756
2757         * Makefile.in (FUNCTION_H): New.  Use it instead of
2758         function.h throughout the file.
2759         * function.h: Include tree.h.
2760
2761 2006-01-17  Ben Elliston  <bje@au.ibm.com>
2762
2763         * recog.c: Separate some functions with whitespace.
2764
2765 2006-01-16  Richard Henderson  <rth@redhat.com>
2766
2767         Merge from gomp branch:
2768         * Makefile.in (TREE_INLINE_H): New.  Use it as needed.
2769         * tree-inline.h (struct copy_body_data): Move from tree-inline.c
2770         and rename from struct inline_data.  Rename callee* to dst*;
2771         caller* to src*; add copy_decl hook, transform_call_graph_edges,
2772         transform_new_cfg, transform_return_to_modify, and
2773         transform_lang_insert_block flags; remove cloning_p, versioning_p,
2774         update_clones_p.
2775         (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
2776         (copy_decl_for_dup): Remove.
2777         * tree-inline.c (struct inline_data): Move to header.
2778         (insert_decl_map): Export.
2779         (remap_decl): Update for member name changes.  Use copy_decl hook.
2780         Allow for replacement to be a non-decl.  Remove dead code.
2781         (remap_type_1): Check for existing mapping.
2782         (remap_type): Export.
2783         (remap_decls): Update for member name changes.
2784         (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
2785         (copy_body, setup_one_parameter, declare_return_variable): Likewise.
2786         (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
2787         (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
2788         (tree_function_versioning, build_duplicate_type): Likewise.
2789         (copy_body_r): Likewise.  Export.
2790         (copy_decl_for_dup): Split into ...
2791         (copy_decl_for_dup_finish, copy_decl_to_var,
2792         copy_decl_no_change, copy_decl_maybe_to_var): ... these.
2793         (replace_ref_tree, inlining_p): Remove.
2794
2795 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
2796
2797         * ifcvt.c (if_convert): Make it static.
2798         * rtl.h: Remove the prototype for if_convert.
2799
2800         * local-alloc.c (local_alloc): Make it static.
2801         * rtl.h: Remove the prototype for local_alloc.
2802
2803         * loop.c (loop_optimize): Make it static.
2804         * cfgloop.h: Remove the prototype for loop_optimize.
2805         * rtl.h: Likewise.
2806
2807 2006-01-16  DJ Delorie  <dj@redhat.com>
2808
2809         * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
2810         mems.
2811
2812 2006-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2813
2814         * pa.md: Disparage copies between general and floating-point registers
2815         in 32-bit move patterns.
2816
2817 2006-01-16  H.J. Lu  <hongjiu.lu@intel.com>
2818
2819         PR testsuite/25741
2820         * Makefile.in (check-%): Depend on site.exp instead of
2821         $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
2822         directories.
2823
2824 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
2825
2826         * global.c (global_alloc): Make it static.
2827         * rtl.h: Remove the prototype for global_alloc.
2828
2829 2006-01-16  Richard Guenther  <rguenther@suse.de>
2830
2831         * tree-ssa-alias.c (struct used_part): Add write_only field.
2832         (get_or_create_used_part_for): Initialize it to true.
2833         (create_overlap_variables_for): Don't create structure variables
2834         for structures that only are written to.
2835         (find_used_portions): Handle MODIFY_EXPR to track whether a
2836         structure is only written to.
2837
2838 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
2839
2840         * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
2841         static.
2842         * basic-block.h: Remove the prototype for
2843         partition_hot_cold_basic_blocks.
2844
2845 2006-01-16  Rafael Ãƒvila de Espíndola <rafael.espindola@gmail.com>
2846
2847         * cppspec.c (lang_specific_spec_functions): Remove.
2848         * gcc.c (lookup_spec_function): Use static_spec_functions directly.
2849         * gcc.h (lang_specific_spec_functions): Remove.
2850         * gccspec.c (lang_specific_spec_functions): Remove.
2851
2852 2006-01-16  Paolo Bonzini  <bonzini@gnu.org>
2853
2854         * combine.c (record_value_for_reg): Invalidate registers
2855         if INSN is null.
2856         (record_dead_and_set_regs_1): Likewise, by passing them to
2857         record_value_for_reg.
2858         (record_dead_and_set_regs): Invalidate stores made by a
2859         call.  We do not combine across a call, but we still
2860         relied on equivalences.
2861
2862 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
2863
2864         * tree-vrp.c (extract_range_from_binary_expr): Cope with
2865         vrp_int_const_binop returning non-constant nodes.
2866
2867 2006-01-16  Paul Brook  <paul@codesourcery.com>
2868
2869         * config/m68k/m68k.c (output_move_const_into_data_reg):
2870         Output correct mnemonic for mvz and mvs.
2871
2872 2006-01-16  Gabor Loki  <loki@gcc.gnu.org>
2873
2874         * rtl-factoring.c: Add sequence abstraction algorithm.
2875         * cfgcleanup.c (outgoing_edges_match): Extra checks.
2876         (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
2877         ABNORMAL edges.
2878         (block_has_preserve_label): New function.
2879         * common.opt: Register new pass.
2880         * Makefile.in: Ditto.
2881         * passes.c: Ditto.
2882         * timevar.def: Ditto.
2883         * tree-pass.h: Ditto.
2884         * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
2885         * rtl.h (make_jump_insn_raw): Add forward decl.
2886         * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
2887
2888 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
2889             Roger Sayle  <roger@eyesopen.com>
2890
2891         * fold-const.c (fold_minmax): New static function.
2892         (fold_binary) <MIN_EXPR>: Call it.
2893         <MAX_EXPR>: Likewise.
2894         * stor-layout.c (place_field): Use DECL_SIZE consistently
2895         in the computation of the new record size.
2896
2897 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
2898
2899         * cse.c (cse_condition_code_reg): Make it static.
2900         * rtl.h: Remove the prototype for cse_condition_code_reg.
2901
2902         * combine.c (combine_instructions): Make it static.
2903         * rtl.h: Remove the prototype for combine_instructions.
2904
2905 2006-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2906
2907         PR target/25168
2908         * tree.c (get_file_function_name_long): Concatenate the first global
2909         object name with a string derived from the input filename of the object
2910         for type "F".
2911
2912 2006-01-16  Ben Elliston  <bje@au.ibm.com>
2913
2914         * config/i386/winnt-stubs.c: Update FSF address.
2915         * config/xtensa/ieee754-df.S: Ditto.
2916         * config/xtensa/ieee754-sf.S: Ditto.
2917
2918 2006-01-14  Ian Lance Taylor  <ian@airs.com>
2919
2920         * ifcvt.c (noce_init_if_info): New static function, broken out of
2921         noce_process_if_block.
2922         (noce_process_if_block): Call noce_init_if_info.
2923         (check_cond_move_block): New static function.
2924         (cond_move_process_if_block): New static function.
2925         (process_if_block): Call cond_move_process_if_block.
2926
2927 2006-01-15  Kazu Hirata  <kazu@codesourcery.com>
2928
2929         * cselib.c (hash_table): Rename to cselib_hash_table.
2930         (cselib_clear_table, discard_useless_values,
2931         remove_useless_values, cselib_lookup_mem, cselib_lookup,
2932         cselib_init, cselib_finish): Adjust uses of hash_table.
2933
2934 2006-01-14  Kazu Hirata  <kazu@codesourcery.com>
2935
2936         PR tree-optimization/25485
2937         * tree-vrp.c (extract_range_from_binary_expr): Handle cases
2938         where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
2939         is known to be false and true, respectively.
2940
2941 2006-01-14  Richard Guenther  <rguenther@suse.de>
2942
2943         PR tree-optimization/22548
2944         PR tree-optimization/22555
2945         PR tree-optimization/22501
2946         * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
2947         * params.def (salias-max-array-elements): New parameter.
2948         * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
2949         * doc/invoke.texi (salias-max-array-elements): Document.
2950         * tree-flow-inline.h (var_can_have_subvars): We also handle
2951         arrays now.
2952         * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
2953         COMPONENT_REF.
2954         * tree-ssa-structalias.c (params.h): Include.
2955         (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
2956         (find_func_aliases): Handle multiple constraints from ARRAY_REF.
2957         (get_constraint_for): For ADDR_EXPR operating on something
2958         containing an ARRAY_REF, add all subvars to the solution.
2959         (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
2960         * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
2961         for creating MUST_DEFs.
2962         (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
2963
2964 2006-01-14  Zdenek Dvorak <dvorakz@suse.cz>
2965
2966         * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
2967         functions.
2968         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2969         assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2970         number_of_iterations_le): New functions.
2971         (number_of_iterations_special): Removed.
2972         (number_of_iterations_exit): Do not use number_of_iterations_special.
2973         * tree.c (unsigned_type_for): Always return integer type.
2974
2975 2006-01-14  Steven Bosscher  <stevenb.gcc@gmail.com>
2976         Richard Guenther  <rguenther@suse.de>
2977
2978         PR rtl-optimization/24257
2979         * gcse.c (find_moveable_store): Only consider a store movable
2980         when the SET_SRC of the insn can be assigned to a register.
2981
2982 2006-01-14  Ian Lance Taylor  <ian@airs.com>
2983
2984         * tree.c (tree_not_class_check_failed): New function.
2985         * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
2986         (tree_not_class_check_failed): Declare.
2987
2988 2006-01-13  Ian Lance Taylor  <ian@airs.com>
2989
2990         * reload1.c (do_output_reload): Add assertion rejecting a
2991         CALL_INSN.
2992
2993 2006-01-13  Adam Nemet  <anemet@caviumnetworks.com>
2994
2995         * combine.c (struct reg_stat): Add new fields truncation_label and
2996         truncated_to_mode.
2997         (record_value_for_reg): Reset truncated_to_mode.
2998         (record_truncated_value): New function.
2999         (check_promoted_subreg): Call it.  Rename to check_conversions.
3000         (combine_instructions): Rename check_promoted_subreg to
3001         check_conversions.
3002         (reg_truncated_to_mode): New function.
3003         (make_extraction): Use it.  Check TRULY_NOOP_TRUNCATION.
3004         (gen_lowpart_or_truncate): New function.
3005         (force_to_mode): Use it instead of gen_lowpart.
3006
3007 2006-01-13  Diego Novillo  <dnovillo@redhat.com>
3008
3009         * tree-ssa-alias.c (add_type_alias): Fix typo.  Test whether
3010         VAR is a tag, not its type tag.
3011
3012 2006-01-13  Alexandre Oliva  <aoliva@redhat.com>
3013
3014         * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
3015         alternatives to match style of other entries.
3016         (*vec_extractv2di_1_sse): Likewise.  Fix mode attr.
3017
3018 2006-01-13  Daniel Berlin  <dberlin@dberlin.org>
3019
3020         PR tree-optimization/25771
3021         * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
3022         SSA_NAMES.
3023
3024 2006-01-13  Andrew Pinski  <pinskia@physics.uc.edu>
3025
3026         PR tree-opt/24365
3027         * tree-inline.c (declare_return_variable): If the return variable
3028         was marked as a non gimple complex, set the return slot variable
3029         to be a non gimple comple variable.
3030
3031 2006-01-13  Richard Guenther  <rguenther@suse.de>
3032
3033         * builtins.c (expand_builtin_sincos): New function.
3034         (expand_builtin_mathfn_3): Remove dead code, sin and cos
3035         do not set errno.
3036         (expand_builtin): Expand sincos using expand_builtin_sincos.
3037
3038 2006-01-12  DJ Delorie  <dj@redhat.com>
3039
3040         * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
3041         shift counts, separate SI shifts for m32c vs m16c, pass shift type
3042         so that constant shifts can be split.
3043         * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
3044         (m32c_valid_pointer_mode): Make static.
3045         (shift_gen_func_for): New.
3046         (m32c_prepare_shift): Use it.  Split large const shifts into
3047         multiple shifts.
3048         * config/m32c/predicates.md (shiftcount_operand): Allow more
3049         general operands.
3050         (longshiftcount_operand): New.
3051         * doc/md.texi (Machine Constraints): Document In6.
3052
3053 2006-01-13  Ben Elliston  <bje@au.ibm.com>
3054
3055         * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
3056         REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
3057         documentation.
3058
3059 2006-01-12  Daniel Berlin  <dberlin@dberlin.org>
3060
3061         * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
3062         to try to avoid clobbering pieces of structures when we know
3063         something about the whole structure.
3064         * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
3065
3066 2006-01-13  Ben Elliston  <bje@au.ibm.com>
3067
3068         * doc/rtl.texi (Insns): Remove statement that libcalls cannot
3069         return in memory, as this is no limitation is no longer present.
3070
3071 2006-01-12  DJ Delorie  <dj@redhat.com>
3072
3073         * config/m32c/addsub.md (addhi3): Add two more alternatives, for
3074         mova with fb, and for fb+0 -> An.
3075
3076         * config/m32c/mov.md (peephole2): Fix enabling logic.
3077
3078         * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
3079         DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
3080         DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
3081         FINI_ARRAY_SECTION_ASM_OP): Define.
3082
3083         * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
3084         variable.
3085         (m32c_legitimize_reload_address): New logic to reload FB to An.
3086         (m32c_output_reg_push): Add newline.
3087         (m32c_output_reg_pop): Likewise.
3088
3089 2006-01-12  Ulrich Weigand  <uweigand@de.ibm.com>
3090
3091         * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
3092
3093 2006-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
3094
3095         * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3096
3097 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
3098
3099         * config/sh/predicates.md (sh_rep_vec): Add parallel to
3100         match_code.
3101
3102 2006-01-11  Ben Elliston  <bje@au.ibm.com>
3103
3104         * rtlanal.c (find_reg_note): Assert insn is not null.
3105
3106 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
3107
3108         * df-scan.c (df_hard_reg_init): Move declaration of i outside
3109         ifdef.
3110
3111 2006-01-11  Jeff Law  <law@redhat.com>
3112
3113         * tree-ssa-threadupdate.c (threaded_edges): New VEC to
3114         hold edge pairs.
3115         (mark_threaded_blocks, register_jump_thread): New functions.
3116         (thread_through_all_blocks): Remove unwanted argument.  No
3117         longer rely on e->aux to communicate thread target info.
3118         Call mark_threaded_blocks.  Release the threaded_blocks
3119         bitmap and threaded_edges vector when complete.
3120         * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
3121         (threaded_blocks): Remove.
3122         (tree_ssa_dominator_optimize): Remove initialization and
3123         finalization of threaded_blocks.  Simplify call to
3124         thread_through_all_blocks.
3125         (thread_across_edge): Call register_jump_thread rather than
3126         storing thread information into e->aux.
3127         (free_all_edge_infos): Simplify now that e->aux is no longer
3128         used to communicate with thread_through_all_blocks.
3129         * tree-flow.h (thread_through_all_blocks): Update prototype.
3130         (register_jump_thread): Prototype.
3131
3132 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
3133
3134         * df-core.c (df_compact_blocks, df_bb_replace): Use
3135         SET_BASIC_BLOCK instead of BASIC_BLOCK.
3136
3137 2006-01-11  Richard Guenther  <rguenther@suse.de>
3138
3139         PR tree-optimization/25734
3140         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
3141         stop propagation after successful propagation to the LHS.
3142
3143 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
3144
3145         * basic-block.h (control_flow_graph): Change the type of
3146         x_basic_block_info to VEC(basic_block,gc) *.
3147         (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
3148         basic_block_info.
3149         (SET_BASIC_BLOCK): New.
3150         * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
3151         instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
3152         * cfgbuild.c (find_basic_blocks): Likewise.
3153         * cfglayout.c (fixup_reorder_chain): Likewise.
3154         * cfgrtl.c (create_basic_block_structure,
3155         rtl_create_basic_block): Likewise.
3156         * ifcvt.c (find_if_case_1): Likewise.
3157         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
3158         Likewise.
3159
3160 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
3161
3162         * Makefile.in: Removed rotted odf.c entry.
3163
3164 2006-01-11  Hans-Peter Nilsson  <hp@axis.com>
3165
3166         PR target/25706
3167         * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
3168         ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
3169         ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
3170         output pattern modifier, not %e.
3171         * config/cris/cris.c (cris_op_str): Update comment about pattern
3172         modifier.
3173         (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
3174         before falling through into...
3175         <case 'E'>: Redefined from old 'e' case.
3176
3177 2006-01-11  Jan Hubicka  <jh@suse.cz>
3178
3179         PR target/25042
3180         * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
3181
3182 2006-01-11  Jan Hubicka  <jh@suse.cz>
3183
3184         * i386.h (TARGET_DECOMPOSE_LEA): Kill.
3185         * i386.c (x86_decompose_lea): Kill.
3186         (ix86_rtx_costs): Kill.
3187
3188 2006-01-11  Jan Hubicka  <jh@suse.cz>
3189
3190         * cgraph.c (cgraph_insert_node_to_hashtable): New function.
3191         * cgraph.h (cgraph_node): Add inline_decl.
3192         (cgraph_insert_node_to_hashtable): Declare.
3193         (save_inline_function_body): Declare.
3194         * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
3195         clones.
3196         (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
3197         (cgraph_function_versioning): Update call of tree_function_versioning.
3198         (save_inline_function_body): New function.
3199         * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
3200         saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
3201         * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
3202         (cgraph_default_inline_p): Likewise.
3203         (cgraph_decide_inlining_incrementally): Likewise.
3204         * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
3205         (copy_bb): Kill saving; do updating of clones.
3206         (copy_cfg_body): Kill saving.
3207         (initialize_inlined-parameters): Likewise.
3208         (expand_call_inline): Likewise.
3209         (save_body): Kill.
3210         (tree_function_versioning): New parameter "update_clones".
3211         (inlining_p): Kill saving.
3212         * tree-inline.h (tree_function_versioning): Update prototype.
3213         * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
3214         saving.
3215
3216 2006-01-11  Ian Lance Taylor <ian@airs.com>
3217
3218         * combine.c (struct undo): Remove is_int.  Enumify types of undos.
3219         Allow undoing set of machine mode.
3220         (do_SUBST): Use enums instead of is_int.
3221         (do_SUBST_MODE): New function.
3222         (SUBST_MODE): New macro.
3223         (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
3224         reg and trying to replace reg_regno_rtx with a new register.
3225         (undo_all): Use new enums, handle undoing a PUT_MODE change.
3226         (simplify_set): Use SUBST_MODE.
3227         (distribute_notes): Remove code that tried to update reg notes
3228         for regno_reg_rtx changes.
3229
3230 2006-01-11  Paolo Bonzini  <bonzini@gnu.org>
3231
3232         PR tree-optimization/23109
3233         PR tree-optimization/23948
3234         PR tree-optimization/24123
3235
3236         * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
3237         * tree-cfg.c (single_noncomplex_succ): New.
3238         * tree-flow.h (single_noncomplex_succ): Declare it.
3239         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3240         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3241         (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
3242         insert_bb, register_division_in, insert_reciprocals,
3243         replace_reciprocal, free_bb): New.
3244         (execute_cse_reciprocals_1): Rewritten.
3245         (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
3246         Do not commit any edge insertion.  Always compute dominators and
3247         create the allocation pool.
3248         * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
3249         * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
3250         * targhooks.c (default_min_divistions_for_recip_mul): New.
3251         * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
3252         * passes.c (init_optimization_passes): Run recip after tree loop
3253         optimizations.
3254         * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
3255
3256 2006-01-11  Danny Berlin <dberlin@dberlin.org>
3257             Kenneth Zadeck <zadeck@naturalbridge.com>
3258
3259         * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
3260         DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
3261         DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
3262         DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
3263         DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
3264         DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
3265         DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
3266         DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
3267         DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
3268         DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
3269         DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
3270         DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
3271         DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
3272         DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
3273         DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
3274         DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
3275         DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
3276         DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
3277         DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
3278         DF_SCAN_POST_ALLOC): New macros.
3279         (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
3280         df_free_bb_function, df_local_compute_function, df_init_function,
3281         df_dataflow_function, df_confluence_function_0,
3282         df_confluence_function_n, df_transfer_function,
3283         df_finalizer_function, df_free_function, df_dump_problem_function,
3284         df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
3285         df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
3286         df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
3287         df_urec_bb_info, ) New types.
3288         (df_invalidated_by_call, df_all_hard_regs, df_state) New public
3289         variables.
3290         (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
3291         df_analyze_simple_change_some_blocks,
3292         df_analyze_simple_change_one_block, df_compact_blocks,
3293         df_bb_replace, df_bb_regno_last_use_find,
3294         df_bb_regno_first_def_find, df_bb_regno_last_def_find,
3295         df_insn_regno_def_p, df_find_def, df_find_use,
3296         df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
3297         df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
3298         df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
3299         debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
3300         debug_df_chain, df_get_dependent_problem, df_chain_create,
3301         df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
3302         df_grow_bb_info, df_chain_dump, df_print_bb_index,
3303         df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
3304         df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
3305         df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
3306         df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
3307         df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
3308         df_rescan_blocks, df_ref_create, df_get_artificial_defs,
3309         df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
3310         df_ref_remove, df_insn_refs_delete, df_refs_delete,
3311         df_reorganize_refs, df_set_state, df_hard_reg_init,
3312         df_read_modify_subreg_p) New public functions.
3313         * df-core.c: The core dataflow solver and glue routines for rtl
3314         dataflow.
3315         (df_init, df_add_problem, df_set_blocks, df_finish,
3316         df_hybrid_search_forward, df_hybrid_search_backward,
3317         df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
3318         df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
3319         df_bb_regno_last_use_find, df_bb_regno_first_def_find,
3320         df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
3321         df_reg_defined, df_find_use, df_reg_used, df_dump,
3322         df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
3323         df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
3324         debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
3325         debug_df_useno, reset_df_after_reload): New functions.
3326         * df-scan.c: The scanning fuctions, once in df.c, completely
3327         rewritten so that they now fully model the functionality of
3328         register usage at the backend.
3329         (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
3330         df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
3331         df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
3332         df_grow_insn_info, df_rescan_blocks, df_ref_create,
3333         df_get_artificial_defs, df_get_artificial_uses,
3334         df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
3335         df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
3336         df_refs_delete, df_reorganize_refs, df_set_state,
3337         df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
3338         df_def_record_1, df_defs_record, df_uses_record,
3339         df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
3340         df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
3341         df_record_exit_block_uses, df_hard_reg_init): New functions.
3342
3343         * df-problems.c: Seven concrete dataflow problems that use the
3344         scanning in df-scan.c and are solved by the engine in df-core.c.
3345         (df_get_dependent_problem, df_chain_create, df_chain_unlink,
3346         df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
3347         df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
3348         df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
3349         df_ru_free_bb_info, df_ru_alloc,
3350         df_ru_bb_local_compute_process_def,
3351         df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
3352         df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
3353         df_ru_transfer_function, df_ru_free, df_ru_dump,
3354         df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
3355         df_rd_free_bb_info, df_rd_alloc,
3356         df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
3357         df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
3358         df_rd_transfer_function, df_rd_free, df_rd_dump,
3359         df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
3360         df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
3361         df_lr_local_compute, df_lr_init, df_lr_confluence_0,
3362         df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
3363         df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
3364         df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
3365         df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
3366         df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
3367         df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
3368         df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
3369         df_urec_mark_reg_change, df_urec_check_earlyclobber,
3370         df_urec_mark_reg_use_for_earlyclobber,
3371         df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
3372         df_urec_local_compute, df_urec_init, df_urec_local_finalize,
3373         df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
3374         df_urec_dump, df_urec_add_problem, df_chain_alloc,
3375         df_chain_create_bb_process_use, df_chain_create_bb,
3376         df_chain_finalize, df_chain_free, df_chains_dump,
3377         df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
3378         df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
3379         df_reg_lifetime): New functions.
3380         * df.c: Deleted file.
3381         * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
3382         consistent with new df api.
3383         * modulo-sched.c (sms_schedule, rest_of_handle_sms,
3384         rest_of_handle_sms): Ditto.
3385         * web.c (unionfind_union, union_defs, entry_register, web_main):
3386         Ditto.
3387         * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
3388         invariant_expr_equal_p, find_defs, check_dependencies,
3389         find_invariant_insn, find_invariants_to_move, move_invariant_reg,
3390         free_inv_motion_data, move_loop_invariants): Ditto.
3391         * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
3392         Update dependencies.
3393         (odf.c): Added defective entry that was deleted later in day.
3394         * sched-deps.c (sched_analyze_1): Ditto.
3395
3396 2006-01-11  Zdenek Dvorak <dvorakz@suse.cz>
3397
3398         * tree-ssa-operands.c (get_expr_operands): Record addressable
3399         variables directly.  Do not call add_stmt_operands for CONST_DECLs
3400         and ARRAY_DECLs.
3401         (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
3402         (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
3403
3404 2006-01-11  Ben Elliston  <bje@au.ibm.com>
3405
3406         * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
3407         function returns true in the positive case.
3408
3409 2006-01-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3410
3411         PR target/20754
3412         * config/pa/pa.md: Create separate 32 and 64-bit move patterns
3413         for SI, DI, SF and DF modes.  Add alternatives to copy between
3414         general and floating point registers to the 32-bit patterns.
3415         * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
3416         * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
3417         (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
3418         generating 64-bit code.
3419         * config/pa/pa.c (output_move_double): Handle copies between general
3420         and floating registers.
3421
3422 2006-01-10  Stuart Hastings  <stuart@apple.com>
3423
3424         * config/i386/i386.md (set_got): Update.
3425         (set_got_labelled): New.  (UNSPEC_LD_MPIC): New.
3426         (builtin_setjmp_receiver): Mach-O support.
3427         * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
3428         (GOT_SYMBOL_NAME): Define.
3429         (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
3430         (TARGET_DEEP_BRANCH_PREDICTION): Remove.
3431         * config/i386/i386.c (override_options): Revise for Darwin.
3432         (USE_HIDDEN_LINKONCE): Enable for Mach-O.  (ix86_file_end): Mach-O
3433         support.  (darwin_x86_file_end): New.  (output_set_got): Add label
3434         parameter, revise for Mach-O.  (x86_output_mi_thunk): Likewise.
3435         * config/i386/i386-protos.h (output_set_got): Likewise.
3436         * config/darwin.c (machopic_legitimize_pic_address): Update
3437         regs_ever_live[].
3438
3439 2006-01-10  Kaz Kojima  <kkojima@gcc.gnu.org>
3440
3441         * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
3442         when MODE isn't BLKmode.
3443
3444 2006-01-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3445
3446         PR rtl-optimization/25367
3447         * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
3448
3449 2006-01-10  Hans-Peter Nilsson  <hp@axis.com>
3450
3451         PR target/25718
3452         * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
3453         for a negative bound.
3454
3455 2006-01-10  Richard Guenther  <rguenther@suse.de>
3456
3457         * tree-ssa-structalias.c (get_constraint_for_component_ref):
3458         Never override with anything constraint.
3459
3460 2006-01-10  Jan Beulich  <jbeulich@novell.com>
3461
3462         * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
3463         256 bits when optimize_size.
3464
3465 2006-01-10  Jan Beulich  <jbeulich@novell.com>
3466
3467         * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
3468         MASK_ALIGN_DOUBLE.
3469         * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
3470         * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
3471         arguments.
3472
3473 2006-01-10  Ben Elliston  <bje@au.ibm.com>
3474
3475         * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
3476         float modes.
3477         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
3478         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3479         (USE_FP_FOR_ARG): Reject decimal float modes.
3480         (function_arg_advance): Likewise.
3481         (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
3482         (rs6000_handle_altivec_attribute): Do not permit decimal floating
3483         point types in AltiVec vectors.
3484         (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
3485         (rs6000_libcall_value): Likewise.
3486
3487 2006-01-09  Bob Wilson  <bob.wilson@acm.org>
3488
3489         * config/xtensa/ieee754-df.S: New file.
3490         * config/xtensa/ieee754-sf.S: New file.
3491         * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
3492         (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
3493         * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
3494
3495 2006-01-09  Kazu Hirata  <kazu@codesourcery.com>
3496
3497         * config/sh/predicates.md (binary_float_operator,
3498         binary_logical_operator, commutative_float_operator,
3499         equality_comparison_operator, greater_comparison_operator,
3500         less_comparison_operator, logical_operator,
3501         noncommutative_float_operator, shift_operator,
3502         symbol_ref_operand, unary_float_operator): Remove redundant
3503         conditionals.
3504
3505 2006-01-09  Jeff Law  <law@redhat.com>
3506
3507         * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
3508         code to propagate the RHS of a cast into COND_EXPR_COND.  Remove
3509         now unused arguments.  Callers updated.
3510         (eliminate_redundant_computations): Remove now unused arguments,
3511         callers updated.
3512         (local_fold): Remove, no longer used.
3513         (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
3514         and moved to...
3515         * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
3516         (simplify_cond): New function.
3517         (forward_propagate_into_cond): Call simplify_cond.
3518
3519 2006-01-09  Alexandre Oliva  <aoliva@redhat.com>
3520
3521         * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
3522         (*vec_extractv2di_1_sse): New.
3523
3524 2006-01-09  Ben Elliston  <bje@au.ibm.com>
3525
3526         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
3527
3528 2006-01-08  Richard Guenther  <rguenther@suse.de>
3529
3530         * tree-ssa-structalias.c (get_constraint_for): Remove
3531         anyoffset argument.
3532         (get_constraint_for_component_ref): Likewise.
3533         (do_deref): Likewise.
3534         (get_constraint_for): Likewise.
3535         (do_structure_copy): Likewise.
3536         (handle_ptr_arith): Likewise.
3537         (find_func_aliases): Likewise.  Remove unused need_anyoffset
3538         variable.
3539
3540 2006-01-08  J"orn Rennecke  <joern.rennecke@st.com>
3541             Kaz Kojima  <kkojima@gcc.gnu.org>
3542
3543         * config/sh/sh.h (CONST_OK_FOR_K16): Define.
3544         (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
3545         (EXTRA_CONSTRAINT_C16): Remove.
3546         (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
3547         (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
3548         EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
3549         * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
3550         constants of SHmedia.  Handle nested constant expressions of
3551         SHmedia correctly.
3552         (andcosts): Fix the costs for SHmedia constants.
3553         (sh_rtx_costs): Take account of outer_code for SHmedia constants.
3554         * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
3555         (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
3556         (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
3557         (movv4hi_i, movv2si_i): Likewise.
3558         (movsi_const): Adjust the second operand of ior so to match with
3559         the Csu constraint.
3560         (movdi_const, movdi_const_32bit): Likewise.
3561         (movdi_const_16bit+1): Don't sign-extend LOW.
3562         (movdi_const_16bit+2): Likewise.  Remove the zero_extend and truncate
3563         step.
3564         (*double_shori): Fix the split condition.  Use GEN_INT instead
3565         of get_int_mode calls.  Mask lower 16-bit of the argument of
3566         the last GEN_INT.
3567         (sym2GOTPLT): Remove.
3568         (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
3569         gen_rtx_UNSPEC.
3570         * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
3571         instead of EXTRA_CONSTRAINT_C16.
3572
3573 2006-01-07  Ian Lance Taylor  <ian@airs.com>
3574             David Edelsohn  <edelsohn@gnu.org>
3575
3576         PR rtl-optimization/25662
3577         * optabs.c (simplify_expand_binop): Use simplify_binary_operation
3578         for constant operands instead of simplify_gen_binary.
3579         * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
3580         after trying simplify_binary_operation
3581
3582 2006-01-06  Daniel Berlin  <dberlin@dberlin.org>
3583
3584         * tree.c (iterative_hash_expr): Hash decls based on UID.
3585
3586 2006-01-06  Eric Christopher  <echristo@apple.com>
3587
3588         * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
3589         (TARGET_UNWIND_EMIT): Fix spelling.
3590         * target.h (gcc_target): Add except_table_label.
3591         * except.c (output_function_exception_table): Use.
3592         * varasm.c (default_emit_except_table_label): New.
3593         * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
3594         define.
3595         (asm_out): Add here.
3596         * output.h (default_emit_except_table_label): Prototype.
3597         * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
3598         * config/darwin.c (darwin_emit_except_table_label): Define.
3599         * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
3600
3601 2006-01-06  Zdenek Dvorak <dvorakz@suse.cz>
3602
3603         PR tree-optimization/18527
3604         * tree-ssa-loop-niter.c (number_of_iterations_cond,
3605         number_of_iterations_special, number_of_iterations_exit):
3606         Move base and step of an iv to a single structure.  Add
3607         no_overflow flag, and use it in # of iterations analysis.
3608         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
3609         folded_casts argument.
3610         (simple_iv): Pass base and step in a structure.  Set no_overflow
3611         flag.
3612         (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
3613         Evaluate expensiveness of computing # of iterations instead of
3614         the final expression.
3615         * tree-scalar-evolution.h (affine_iv): New structure.
3616         (simple_iv): Declaration changed.
3617         * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
3618         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
3619         find_givs_in_stmt): Changed due to simple_iv change.
3620
3621 2006-01-06  Jeff Law  <law@redhat.com>
3622
3623         PR ada/24994
3624         * tree-cfg.c (bsi_replace): Rename final argument from
3625         PRESERVE_EH_INFO to UPDATE_EH_INFO.  Fix typo in last
3626         change (stmt -> orig_stmt).
3627         * tree-eh.c (verify_eh_throw_stmt_node): New function.
3628         (bsi_remove): Add new argument.  Remove EH information
3629         if requested.
3630         (verify_eh_throw_table_statements): New function.
3631         (bsi_remove): Add new argument REMOVE_EH_INFO.  All callers
3632         updated.
3633         * tree-optimize.c (execute_free_cfg_annotations): Verify
3634         the EH throw statement table after removing annotations.
3635         * except.h (verify_eh_throw_table_statements): Prototype.
3636         * tree-flow.h (bsi_remove): Update prototype.
3637         * tree-vrp.c (remove_range_assertions): Add new argument to
3638         bsi_remove call.
3639         * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
3640         * tree-complex.c (expand_complex_div_wide): Likewise.
3641         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
3642         * tree-tailcall.c (eliminate_tailcall): Likewise.
3643         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
3644         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
3645         * tree-nrv.c (tree_nrv): Likewise.
3646         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
3647         * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
3648         (combine_blocks): Likewise.
3649         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
3650         * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
3651         (cleanup_control_flow): Likewise.
3652         (remove_forwarder_block): Likewise.
3653         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
3654         * tree-sra.c (sra_replace): Likewise.
3655         * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
3656         (forward_propagate_single_use_vars): Likewise.
3657         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
3658         * tree-inline.c (expand_call_inline): Likewise.
3659         * tree-vect-transform.c (vect_transform_loop): Likewise.
3660         * tree-outof-ssa.c (rewrite_trees): Likewise.
3661         * tree-cfg.c (make_goto_expr_edges): Likewise.
3662         (cleanup_dead_labels): Likewise.
3663         (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
3664         (bsi_move_before, bsi_move_after): Likewise.
3665         (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
3666         (tree_redirect_edge_and_branch, tree_split_block): Likewise.
3667
3668 2006-01-06  Andrew Pinski  <pinskia@physics.uc.edu>
3669
3670         PR tree-opt/25528
3671         * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
3672         and IMAGPART_EXPR.
3673         * tree-flow-inline.h (var_can_have_subvars): Handle complex types
3674         on non gimple variables.  Also add checks at the top for decls and
3675         mtags.
3676         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
3677         complex types.
3678         * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
3679         and IMAGPART_EXPR for creating MUST_DEFs.
3680         (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
3681         and NAME_MEMORY_TAG separately from the DECLs.
3682
3683 2006-01-06  Richard Guenther  <rguenther@suse.de>
3684
3685         * tree-dfa.c (mark_new_vars_to_rename): Create stmt
3686         annotation, if necessary.
3687         * tree-ssa-pre.c (create_expression_by_pieces): Remove
3688         redundant calls to update_stmt.
3689         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
3690         Likewise.
3691
3692 2006-01-05  Richard Henderson  <rth@redhat.com>
3693
3694         * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
3695
3696 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
3697
3698         * c-typeck.c: Update copyright date.
3699
3700 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
3701
3702         * c-typeck.c (build_c_cast): Always warn when casting
3703         from a pointer to an integer of different size, even if
3704         the node was constant.
3705
3706 2006-01-05  Richard Guenther  <rguenther@suse.de>
3707
3708         PR tree-optimization/22555
3709         * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
3710         if one structure field is an array.
3711         * tree-ssa-operands.c (get_expr_operands): Continue scanning
3712         operands even if we found a subvar, but ignore VOPs in this
3713         case.
3714         * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
3715         for renaming.
3716         * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
3717
3718 2006-01-05  Richard Earnshaw  <rearnsha@arm.com>
3719
3720         PR middle-end/24998
3721         * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
3722
3723 2006-01-05  Richard Guenther  <rguenther@suse.de>
3724             Diego Novillo  <dnovillo@redhat.com>
3725
3726         * tree-pass.h (TODO_remove_unused_locals): Define.
3727         * gimple-low.c (expand_var_p, remove_useless_vars,
3728         pass_remove_useless_vars): Remove.  Update all users.
3729         * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
3730         (remove_unused_locals): New function.
3731         * tree-flow.h (remove_unused_locals): Declare.
3732         * passes.c (execute_todo): Call remove_unused_locals if
3733         TODO_remove_unused_locals is set.
3734         * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
3735         * tree-ssa-dce.c (pass_dce): Likewise.
3736         * tree-outof-ssa.c (pass_del_ssa): Likewise.
3737
3738 2006-01-05  Richard Guenther  <rguenther@suse.de>
3739
3740         * tree-flow.h (struct fieldoff): Decompose field to
3741         type, size and decl.
3742         * tree-ssa-alias.c (create_sft): Take type as parameter.
3743         (create_overlap_variables_for): Store type, size and decl
3744         in the fieldoff structure.
3745         * tree-ssa-structalias.c (fieldoff_compare): Adjust users
3746         of struct fieldoff.
3747         (push_fields_onto_fieldstack): Likewise.
3748         (create_variable_info_for): Likewise.  Use offset for the
3749         SFT name if the decl is not available.
3750
3751 2006-01-04  Paul Brook  <paul@codesourcery.com>
3752
3753         * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
3754
3755 2006-01-04  Daniel Berlin  <dberlin@dberlin.org>
3756
3757         * lambda-code.c (can_put_in_inner_loop): Relax
3758         restrictions.
3759         (can_put_after_inner_loop): New function.
3760         (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
3761         (perfect_nestify): Change to make copies and modify uses.
3762
3763 2006-01-04  Richard Henderson  <rth@redhat.com>
3764
3765         Merge from gomp branch:
3766         * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
3767         via integer constant.
3768         (pragma_lex): Remove.
3769         * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
3770         rather than parsing it.
3771         * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
3772         handle_pragma_extern_prefix): Add %< %> quotes.
3773         (registered_pragmas): New.
3774         (c_register_pragma_1): New.
3775         (c_register_pragma): Use it.
3776         (c_register_pragma_with_expansion): Likewise.
3777         (c_invoke_pragma_handler): New.
3778         (init_pragma): Use cpp_register_deferred_pragma directly for
3779         pch_preprocess.
3780         * c-pragma.h (enum pragma_kind): New.
3781         (pragma_handler): New.
3782         (c_invoke_pragma_handler): Declare.
3783         * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
3784         CPP_PRAGMA_EOL.
3785         * c-common.h (c_common_pch_pragma): Update decl.
3786         * Makefile.in (c-parser.o): Update dependencies.
3787         (GTFILES): Add c-pragma.h.
3788         * c-parser.c (struct c_token): Add pragma_kind.
3789         (struct c_parser): Add in_pragma.
3790         (c_lex_one_token): Always initialize keyword and pragma_kind.
3791         Extract data for CPP_PRAGMA.
3792         (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
3793         (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
3794         Don't allow CPP_PRAGMA_EOL if in_pragma.
3795         (c_parser_consume_pragma): New.
3796         (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
3797         (c_parser_skip_to_end_of_parameter): Likewise.
3798         (c_parser_skip_to_end_of_block_or_statement): Likewise.
3799         (c_parser_skip_to_pragma_eol): New.
3800         (c_parser_external_declaration): Handle CPP_PRAGMA.
3801         (c_parser_compound_statement_nostart): Likewise.
3802         (c_parser_statement_after_labels): Likewise.
3803         (c_parser_pragma): New.
3804         (pragma_lex): Likewise.
3805         (c_parser_pragma_pch_preprocess): New.
3806         (c_parser_new): Merge into ...
3807         (c_parse_file): ... here.  Call c_parser_pragma_pch_preprocess.
3808
3809 2006-01-04  Jeff Law  <law@redhat.com>
3810
3811         PR ada/24994
3812         * tree-cfg.c (bsi_replace): Remove the original statement
3813         from the EH throw statement table.
3814
3815 2006-01-04  Jakub Jelinek  <jakub@redhat.com>
3816
3817         * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
3818         make the prototype extern "C" and add throw ().
3819
3820         PR target/25554
3821         * config/i386/i386.md (testqi_ext_3): Ensure len is positive
3822         and pos non-negative and pos + len <= 32.
3823         (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
3824         drop pos + len < HOST_BITS_PER_WIDE_INT test.
3825         (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
3826
3827         PR c/25559
3828         * c-common.c (handle_vector_size_attribute): Reject zero vector size
3829         as well as sizes not multiple of component size.
3830
3831         PR debug/25562
3832         * function.c (instantiate_expr): New function.
3833         (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
3834         walk its DECL_VALUE_EXPR with instantiate_expr.
3835
3836         * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
3837         DW_OP_deref{,_size} if address isn't going to be added.
3838
3839 2006-01-04  Ben Elliston  <bje@au.ibm.com>
3840
3841         * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
3842         * config/fp-bit.c: Likewise.
3843
3844 2006-01-03  Daniel Berlin  <dberlin@dberlin.org>
3845
3846         * dominance.c: Add comment about why we use DFS numbering
3847         of dominance tree.
3848
3849 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
3850             Richard Henderson  <rth@redhat.com>
3851
3852         Merge from gomp-branch:
3853         * varasm.c (assemble_variable): Handle thread-local COMMON data.
3854         * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
3855
3856 2006-01-03  Paolo Bonzini  <bonzini@gnu.org>
3857
3858         PR rtl-optimization/25578
3859         * combine.c (combine_simplify_rtx, force_to_mode): Don't
3860         pass a parameter to simplify_shift_const if changing ASHIFTRT
3861         to LSHIFTRT.
3862
3863 2006-01-03  Adrian Straetling  <straetling@de.ibm.com>
3864
3865         * builtins.c (get_builtin_sync_mem): New function.
3866         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
3867         expand_builtin_lock_test_and_set, expand_builtin_lock_release):
3868         Call get_builtin_sync_mem to generate mem rtx.
3869
3870 2006-01-03  Richard Guenther  <rguenther@suse.de>
3871
3872         PR c/25183
3873         * stmt.c (add_case_node): Make sure to clear overflow flags
3874         from ranges.
3875
3876 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
3877
3878         Merge from gomp-branch.
3879         * config/sparc/sync.md: New file.
3880         * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
3881         UNSPECV_LDSTUB): New constants.
3882         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
3883         * config/sparc/predicates.md (memory_reg_operand): New predicate.
3884         * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
3885         prototype.
3886
3887 2006-01-03  Roger Sayle  <roger@eyesopen.com>
3888
3889         * combine.c (reg_subword_p): New predicate to test whether the
3890         destination of a set refers to a subword/piece of a register.
3891         (try_combine): Generalize the code to merge the setting of a
3892         pseudo to a constant followed by a set of a subword of that
3893         register to a constant.
3894
3895 2006-01-03  Kazu Hirata  <kazu@codesourcery.com>
3896
3897         * basic-block.h (control_flow_graph): Change the type of
3898         x_label_to_block_map to VEC(basic_block,gc) *.
3899         * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
3900         set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
3901
3902         * tree-ssa-propagate.c (cfg_blocks): Change the type to
3903         VEC(basic_block,heap) *.
3904         (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
3905         ssa_prop_fini): Adjust the uses of cfg_blocks.
3906
3907 2006-01-03  Steven Bosscher  <stevenb.gcc@gmail.com>
3908
3909         * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
3910         COMPONENT_REFs.
3911         * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
3912         hashing trees instead of a pointer hash.
3913         (mem_attrs_htab_eq): Do a deep compare instead of a pointer
3914         compare for MEM_EXPR.
3915
3916         PR rtl-optimization/25130
3917         * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
3918         when comparing MEMs for GCSE
3919
3920 2006-01-03  Ben Elliston  <bje@au.ibm.com>
3921
3922         * targhooks.h (default_decimal_float_supported_p): Declare.
3923         * targhooks.c (default_decimal_float_supported_p): Define.
3924         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
3925         `default_decimal_float_supported_p'.
3926         * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
3927
3928 2006-01-02  Adam Nemet  <anemet@caviumnetworks.com>
3929
3930         * combine.c (apply_distributive_law <SUBREG>): Check
3931         TRULY_NOOP_TRUNCATION.
3932
3933 2006-01-02  Geoffrey Keating  <geoffk@apple.com>
3934
3935         * dwarf2out.c (have_switched_text_section): Delete.
3936         (have_multiple_function_sections): New.
3937         (have_location_lists): Make 'bool'.
3938         (add_AT_loc_list): Use 'true' not '1'.
3939         (dwarf2out_switch_text_section): Set have_multiple_function_sections.
3940         (output_loc_list): Use have_multiple_function_sections.
3941         (output_ranges): Likewise.
3942         (dwarf2out_begin_function): Set have_multiple_function_sections if
3943         necessary.
3944         (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
3945         Check function_section rather than DECL_SECTION_NAME.
3946         (dwarf2out_finish): Use have_multiple_function_sections.
3947         Don't clear have_location_lists.
3948
3949 2006-01-02  Eric Botcazou  <ebotcazou@adacore.com>
3950             Jan Hubicka  <jh@suse.cz>
3951
3952         * cfglayout.c (fixup_reorder_chain): Remove kludge for the
3953         case of conditional jump jumping to the next instruction.
3954         * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
3955         cases of conditional jump jumping to the next instruction.
3956
3957 2006-01-02  Jan Hubicka  <jh@suse.cz>
3958
3959         * i386.c (*_cost): Add COSTS_N_INSNS.
3960         (ix86_rtx_costs): Do not use COSTS_N_INSNS.
3961
3962 2006-01-02  Paolo Bonzini  <bonzini@gnu.org>
3963
3964         PR target/25259
3965         * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
3966
3967 2006-01-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3968
3969         * config/arm/arm.c (all_fpus): Fix comment typo.
3970         * config/darwin.c: Likewise.
3971         * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
3972         * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
3973         * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
3974
3975 2006-01-01  David Edelsohn  <edelsohn@gnu.org>
3976
3977         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
3978         (rs6000_split_compare_and_swapqhi): New.
3979         * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
3980         (sync_compare_and_swapqhi_internal): New.
3981         * config/rs6000/rs6000-protos.h: Declare.