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