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