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