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