6712dd5e8490e07231217e08b84f8bf7541b0ace
[platform/upstream/gcc.git] / gcc / ChangeLog
1 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
2
3         * expmed.c (const_mult_add_overflow_p): Remove.
4         * expr.h: Remove the prototype for const_mult_add_overflow_p.
5
6         * recog.c (validate_replace_rtx_subexp): Remove.
7         * recog.h: Remove the prototype for
8         validate_replace_rtx_subexp.
9
10         * integrate.h: Remove the prototype for
11         copy_decl_for_inlining.
12         * rtl.h: Remove the prototype for mark_constant_function.
13         * tree-vectorizer.h: Remove the prototype for
14         vect_strip_conversion.
15
16         * modulo-sched.c (create_partial_schedule,
17         free_partial_schedule, reset_partial_schedule): Make them
18         static.
19
20         * hooks.c (hook_bool_rtx_int_false): Remove.
21         * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
22
23 2006-01-28  David Edelsohn  <edelsohn@gnu.org>
24
25         * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
26         and -mlong-double-128 are incompatible.
27         * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
28         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
29         (TARGET_LIBGCC2_CFLAGS): Define.
30         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
31         (TARGET_LIBGCC2_CFLAGS): Same.
32         * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
33
34 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
35
36         PR c/19606.
37         * c-typeck.c (build_binary_op): Perform implicit casts of
38         operands before shortening them.
39
40         * cfgloopmanip.c (split_loop_bb): Remove.
41         * cfgloop.h: Remove the prototype for split_loop_bb.
42
43         * cfgloop.c (flow_loop_outside_edge_p): Remove.
44         * cfgloop.h: Remove the prototype for
45         flow_loop_outside_edge_p.
46
47         * emit-rtl.c (init_virtual_regs): Make it static.
48         * function.h: Remove the prototype for init_virtual_regs.
49
50         * recog.c (peephole2_optimize): Make it static.
51         * recog.h: Remove the prototype for peephole2_optimize.
52
53 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
54
55         * df-scan.c (df_record_entry_block_defs): Check if
56         INCOMING_RETURN_ADDR_RTX is defined.
57
58 2006-01-27  Daniel Berlin  <dberlin@dberlin.org>
59             Kenneth Zadeck <zadeck@naturalbridge.com>
60
61         PR rtl-optimization/24762 
62         * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
63         * targhooks.c (hook_void_bitmap): New hook prototype.
64         * targhoohs.h (hook_void_bitmap): Ditto.
65         * bitmap.h (bitmap_head_def): Moved to coretypes.h.
66         * coretypes.h (bitmap_head_def): Moved from bitmap.h.
67         * target.h (live_on_entry): New function pointer.
68         * df-scan.c (df_all_hard_regs): Removed.
69         (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
70         (df_scan_free_internal): Added df->entry_block_defs.
71         (df_scan_alloc): Ditto.
72         (df_scan_dump): Ditto.
73         (df_uses_record): Plumbed flag field properly thru calls.
74         Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
75         This part fixes PR24762.
76         (df_bb_refs_record): Added code to make the frame and arg
77         pointers live in EH blocks.
78         (df_refs_record): Added call to df_record_entry_block_defs.
79         (df_record_entry_block_defs): New function.
80         * df-core.c: Added comments to describe new artifical defs.
81         * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
82         (entry_block_defs): New field in struct df.
83         (df_all_hard_regs): Deleted.
84         * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
85         * df-problems.c (df_ru_bb_local_compute_process_def):
86         Added code to handle artifical defs in the entry to a function.
87         (df_ru_bb_local_compute): Ditto.
88         (df_rd_bb_local_compute_process_def):  Ditto.
89         (df_rd_bb_local_compute): Ditto.
90         (df_lr_bb_local_compute): Ditto.
91         (df_ur_bb_local_compute): Ditto.
92         (df_urec_bb_local_compute):  Ditto.
93         (df_chain_create_bb):  Ditto.
94         (df_ur_local_finalize): Removed entry.
95         (df_urec_init): Ditto.
96         (df_urec_local_finalize): Ditto.
97         (df_ri_bb_compute): Added detection of last use of pseudos.
98         * Makefile.in (df-scan.o): Updated dependencies.
99         * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
100         * config/mips/mips.c (mips_set_live_on_entry): Added.
101         * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
102         for target hook.
103         * dce.c (marked_insn_p): Added code to handle artifical defs.
104
105 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
106
107         * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
108         intrinsic.
109         (_mm_cvtsi128_si64): Likewise.
110         (_mm_cvtsd_si64): Likewise.
111         (_mm_cvttsd_si64): Likewise.
112         (_mm_cvtsi64_sd): Likewise.
113         (_mm_cvtsi64_si128): Likewise.
114         * config/i386/mmintrin.h (_m_from_int64): Likewise.
115         (_mm_cvtsi64_m64): Likewise.
116         (_m_to_int64): Likewise.
117         (_mm_cvtm64_si64): Likewise.
118         * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
119         (_mm_cvttss_si64): Likewise.
120         (_mm_cvtsi64_ss): Likewise.
121         (_mm_cvtss_f32): Likewise.
122
123 2006-01-27  Carlos O'Donell  <carlos@codesourcery.com>
124
125         * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
126         for pragma redefine_extname.
127
128 2006-01-27  Jakub Jelinek  <jakub@redhat.com>
129
130         PR target/25864
131         * libgcc-std.ver: Add GCC_4.1.0 symbol version.
132         * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
133         -mno-minimal-toc to previous content.
134         (bispecs): Remove goal.
135         * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
136         * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
137         compatibility aliases on powerpc-*-*gnu*.
138         * config/rs6000/libgcc-ppc-glibc.ver: New file.
139         * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
140         libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
141         (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
142         (ldblspecs): New goal.
143         * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
144         * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
145         _df_to_tf.
146         * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
147         L_sf_to_tf or L_df_to_tf is defined.
148
149 2006-01-27  David Edelsohn  <edelsohn@gnu.org>
150             Alan Modra  <amodra@bigpond.net.au>
151
152         PR target/25864
153         * config/rs6000/linux.h (POWERPC_LINUX): Define.
154         * config/rs6000/linux64.h (POWERPC_LINUX): Define.
155         * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
156         * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
157         * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
158         * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
159         (rs6000_override_options): Initialize rs6000_ieeequad.
160         Initialize TFmode format to ibm_extended_format if not
161         TARGET_IEEEQUAD.
162         (rs6000_handle_option): Accept -mabi= ibmlongdouble and
163         ieeelongdouble.
164         (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
165         (rs6000_return_in_memory): Only return IEEEQUAD in memory.
166         (function_arg_advance): IBM long double passed in two FPRs, not
167         split.
168         (function_arg): IBM long double passed in FPRs.
169         (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
170         (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
171         Only multireg GPR aligned.
172         (rs6000_init_libfuncs): Enable IBM long double functions if not
173         IEEEQUAD.
174         (rs6000_generate_compare): Use IBM long double compare if not
175         TARGET_IEEEQUAD.
176         * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
177         (TARGET_IEEEQUAD): Define.
178         (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
179         not TARGET_IEEEQUAD.
180         * config/rs6000/rs6000.md: Enable TFmode patterns if
181         !TARGET_IEEEQUAD.
182         * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
183         * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
184         and -mlong-double-128 are incompatible.
185         * doc/invoke.texi (-mabi): Collect options together.  Add
186         ibmlongdouble and ieeelongdouble.
187
188 2006-01-27  Richard Sandiford  <richard@codesourcery.com>
189
190         * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
191         opaque type.
192         * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
193         * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
194         (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
195         * rtl.h (rtunion_def): Remove rt_ptr.
196         (X0PTR): Delete.
197         (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
198         (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
199         * config/i386/winnt.c (i386_pe_mark_dllexport)
200         (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
201
202 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
203
204         * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
205
206 2006-01-26 Alexandre Oliva  <aoliva@redhat.com>
207
208         PR other/24829
209         PR target/24831
210         * gthr-dce.h: Do not gthrw-ify pthread_once_init,
211         pthread_key_delete.  From John David Anglin.  gthrw-ify
212         pthread_getunique_np only if it it's not a macro.  Delete
213         UNUSED macro.
214         (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
215         __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
216         __gthread_objc_condition_signal, __gthread_key_delete): Add
217         "__attribute__ ((__unused__))" to unused arguments.
218         (__gthread_recursive_mutex_init_function): Add missing return.
219         * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
220         gthr-posix95.h: Use macro-based approach for name redirection
221         on targets missing weakref.
222
223 2006-01-26  Zack Weinberg  <zackw@panix.com>
224
225         * genconditions.c (write_header): In generated code, #ifdef out
226         all includes and fake declarations, except includes of bconfig.h
227         and system.h, unless GCC_VERSION >= 3001.  Do not include
228         gensupport.h in any case.
229         (write_conditions): Generate a definition of struct c_test.  Add
230         a comment to the generated #endif.
231         (write_one_condition): Escape backslashes in string too.
232         (write_writer): Generated code must escape backslashes and quote
233         marks (but not newlines) in the strings it writes.
234         * Makefile.in (build/gencondmd.o): Update dependencies.
235
236 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
237
238         PR target/25961
239         * Makefile.in (insn-automata.o): Add header file dependencies.
240         * genautomata.c: Add includes.
241
242 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
243
244         PR target/25961
245         * Makefile.in (insn-automata.o): Add -Wno-error flag.
246
247 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
248
249         * configure.ac: Expect target tools paths to be passed from the toplevel
250         and wrap the detection into AS_SET_VAR_IF.  Extract side-effects out of
251         AS_SET_VAR_IF.
252         * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
253
254 2006-01-26  Alexandre Oliva  <aoliva@redhat.com>
255
256         PR c/25892
257         * c.opt (Wpointer-sign): Init to -1.
258         * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
259         OPT_pedantic, to 0 otherwise.
260         * doc/invoke.texi: Update.
261
262 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
263
264         * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
265         constants provided by 80387 instructions in the destination mode.
266
267 2006-01-26  Richard Guenther  <rguenther@suse.de>
268             Andrew Pinski  <pinskia@physics.uc.edu>
269
270         PR tree-opt/21470
271         partial PR tree-opt/17064
272         * tree-ssa-structalias.c (intra_create_variable_infos):
273         Create heap variables for incoming parameters if
274         flag_argument_noalias > 1.
275         (find_what_p_points_to): Look through default defs of
276         parameter decls.
277
278 2006-01-26  Jeff Law  <law@redhat.com>
279
280         PR ada/25900
281         * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
282         with a VR_ANTI_RANGE and the VR_ANTI_RANGEis completely contained
283         within the VR_RANGE, use the VR_RANGE as the result, not the
284         VR_ANTI_RANGE.
285         (adjust_range_with_scev): Reject ranges from SCEV which are out
286         of bounds for the type.
287
288 2006-01-26  Daniel Berlin  <dberlin@dberlin.org>
289
290         * tree-ssa-alias.c (maybe_create_global_var): Change
291         subvar walking to an assertion that we don't have subvar'd variables.
292
293 2006-01-26  Andrew Pinski  <pinskia@physics.uc.edu>
294
295         PR C/25861
296         * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
297         Use a new variable, inner.  PARM_DECLs are always non-weak.
298
299 2006-01-26  Shantonu Sen  <ssen@opendarwin.org>
300
301         * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
302         --disable-checking.
303
304 2006-01-26  Adam Nemet  <anemet@caviumnetworks.com>
305
306         * config/mips/mips.md (*clear_upper32): New combiner pattern.
307
308 2006-01-26  Richard Earnshaw  <richard.earnshaw@arm.com>
309
310         * arm.md (smaxsi3, sminsi3): Convert to define_expand.
311         (smax_insn, smin_insn, smax_0, smin_0): New.
312
313 2006-01-26  Hans-Peter Nilsson  <hp@axis.com>
314
315         PR target/25947
316         * config/cris/cris.c (cris_order_for_addsi3): New function.
317         * config/cris/cris-protos.h: Prototype it.
318         * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
319         (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
320         (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
321         (split for "op.S1 [rx=rx+i],ry (swapped)")
322         (split for "op(s|u).S1 [rx=rx+i],ry")
323         (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
324         Apply cris_order_for_addsi3 when generating addsi3 insns.
325
326 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
327
328         * tree.h (TREE_RANGE_CHECK): Fix range predicate.
329         (TREE_BLOCK): Add call to EXPR_CHECK.
330
331 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
332
333         PR 25886
334         * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
335         * tree-pretty-print.c (dump_omp_clause): Extract from ...
336         (dump_omp_clauses): ... here.
337         (dump_generic_node): Handle OMP_CLAUSE.
338         * tree.c (omp_clause_num_ops): New.
339         (omp_clause_code_name): New.
340         (tree_code_size): Handle OMP_CLAUSE.
341         (tree_size): Likewise.
342         (make_node): Document handling of OMP_CLAUSE.
343         (tree_node_structure): Handle OMP_CLAUSE.
344         (omp_clause_check_failed): New.
345         (omp_clause_range_check_failed): New.
346         (omp_clause_operand_check_failed): New.
347         (build_omp_clause): New.
348         (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
349         * tree.h (enum omp_clause_code): Declare.
350         (OMP_CLAUSE_SUBCODE_CHECK): Define.
351         (OMP_CLAUSE_RANGE_CHECK): Define.
352         (OMP_CLAUSE_ELT_CHECK): Define.
353         (omp_clause_check_failed): Declare.
354         (omp_clause_operand_check_failed): Declare.
355         (omp_clause_range_check_failed): Declare.
356         (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
357         (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
358         (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
359         (OMP_CLAUSE_LASTPRIVATE): Likewise.
360         (OMP_CLAUSE_IF_EXPR): Likewise.
361         (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
362         (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
363         (OMP_CLAUSE_REDUCTION_CODE): Likewise.
364         (OMP_CLAUSE_REDUCTION_INIT): Likewise.
365         (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
366         (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
367         Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
368         (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
369         (OMP_CLAUSE_DEFAULT_KIND): Likewise.
370         (OMP_CLAUSE_CODE): Define.
371         (OMP_CLAUSE_SET_CODE): Define.
372         (OMP_CLAUSE_CODE): Define.
373         (OMP_CLAUSE_OPERAND): Define.
374         (struct tree_omp_clause): Declare.
375         (union tree_node): Add field 'omp_clause'.
376         * treestruct.def (TS_OMP_CLAUSE): Define.
377         * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
378         OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
379         OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
380         OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
381         OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
382         OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
383         (OMP_CLAUSE): Define.
384         * print-tree.c (print_node): Handle OMP_CLAUSE.
385         * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
386         * c-typeck.c: Likewise.
387         * gimplify.c: Likewise.
388         * c-omp.c: Likewise.
389         * tree-nested.c: Likewise.
390         * tree-inline.c: Likewise.
391         * c-parser.c: Likewise.
392         * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
393         clauses.
394
395 2006-01-25  Roger Sayle  <roger@eyesopen.com>
396
397         PR rtl-optimization/25703
398         * combine.c (try_combine): Handle zero_extract and strict_low_part
399         of non-lowpart SUBREGs for constant reg_subword_p set optimization.
400
401 2006-01-25  Peter Bergner  <bergner@vnet.ibm.com>
402
403         * global.c: Fix comment typos.
404
405 2006-01-25  Andrew Pinski  <pinskia@physics.uc.edu>
406
407         PR target/25758
408         * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
409         Use output_addr_const instead of assemble_name.
410
411 2006-01-25  Paolo Bonzini  <bonzini@gnu.org>
412
413         * Makefile.in (sched-vis.o): Update dependencies.
414         * haifa-sched.c (sched_finish): Clear current_sched_info.
415         * cfg.c (dump_bb_info): New, split from dump_flow_info.
416         (dump_flow_info): Call it.
417         * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
418         a slim RTL dump.
419         * basic-block.h (dump_bb_info): Declare.
420         * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
421         option, and apply options only for dump files whose TDF_RTL,
422         TDF_TREE, or TDF_IPA bits match.
423         * rtl.h: Declare new functions exported from sched-vis.c.
424         * sched-vis.c: Enable also if scheduling is not used.
425         (print_value): Print the mode of registers if not inside scheduling.
426         (print_insn): Make it work outside the scheduler.  Beautify the output
427         a bit.
428         (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
429
430 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
431
432         * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
433         * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
434         a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
435         depending on the value of CONSTANT_POOL_ADDRESS_P.
436         * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
437         SYMBOL_REF_DECL.
438         * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
439         rather than SYMBOL_REF_DECL.
440         (rtx_constant_pool): Remove const_rtx_sym_htab.
441         (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
442         (init_varasm_status): Don't initialize const_rtx_sym_htab.
443         (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
444         Remove handling of const_rtx_sym_htab.
445         (find_pool_constant): Delete.
446         (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
447         rather than find_pool_constant.
448         (get_pool_constant_for_function): Delete.
449         (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
450         find_pool_constant.
451         * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
452         (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
453         (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
454         (SYMBOL_REF_CONSTANT): New macro.
455         (get_pool_constant_for_function): Delete.
456         * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
457         rather than SYMBOL_REF_DECL.
458         (i386_pe_mark_dllimport): Likewise.
459         * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
460         rather than SYMBOL_REF_DECL.
461         * config/darwin.c (machopic_indirect_data_reference): Likewise.
462         (machopic_indirect_call_target): Likewise.
463
464 2006-01-25  Eric Botcazou  <ebotcazou@adacore.com>
465
466         * flow.c (delete_noop_moves): Add missing EOL to dump message.
467
468 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
469
470         * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
471
472 2006-01-25  Kaz Kojima  <kkojima@gcc.gnu.org>
473
474         * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
475
476 2006-01-24  David Daney  <ddaney@avtrex.com>
477
478         PR java/25816
479         * configure.ac (enable_tls): New enable option.
480         (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
481         * configure: Regenerate.
482         * doc/install.texi (--enable-tls): Document new option.
483         (--disable-tls): Ditto.
484
485 2006-01-24  Richard Henderson  <rth@redehat.com>
486
487         * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
488         * alias.c (true_dependence): Respect it.
489         (canon_true_dependence, write_dependence_p): Likewise.
490         * builtins.c (get_builtin_sync_mem): Set it.
491
492 2006-01-25  Zdenek Dvorak <dvorakz@suse.cz>
493
494         * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
495         efficient way.
496
497 2006-01-24  DJ Delorie  <dj@redhat.com>
498
499         * expmed.c (store_bit_field): Don't arbitrarily deny using insv
500         for storing constants in single-bit bitfields.
501
502 2006-01-25  Ben Elliston  <bje@au.ibm.com>
503
504         * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
505
506 2006-01-24  Andrew Pinski  <pinskia@physics.uc.edu>
507
508         PR tree-opt/25860
509         * tree-ssa-pre.c (phi_translate): Return NULL
510         for AGGREGATE_TYPE's.
511
512 2006-01-24  Zack Weinberg  <zackw@panix.com>
513
514         * genautomata.c (process_state_for_insn_equiv_partition):
515         Use xcalloc for insn_arcs_array.
516         * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
517         (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
518
519 2006-01-24  Richard Henderson  <rth@redhat.com>
520
521         * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
522         update all callers.
523
524 2006-01-23  Paolo Bonzini  <bonzini@gnu.org>
525
526         PR rtl-optimization/25890
527         PR rtl-optimization/25905
528         * combine.c (expand_compound_operation, expand_field_assignment):
529         Fail if the bitfield's final position is out of bounds.
530
531 2006-01-24  Ian Lance Taylor  <ian@airs.com>
532
533         PR middle-end/25930
534         * cgraphunit.c (cgraph_output_in_order): Don't clear
535         cgraph_asm_nodes until after asm strings have been output.
536
537 2006-01-23  Adam Nemet  <anemet@caviumnetworks.com>
538
539         * fix-header.c (read_scan_file): Add new parameter imultilib when
540         calling register_include_chains.
541
542 2006-01-23  Diego Novillo  <dnovillo@redhat.com>
543
544         * omp-low.c: Update documentation.
545
546 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
547             Daniel Berlin  <dberlin@dberlin.org>
548
549         PR tree-opt/25315
550         PR tree-opt/25857
551         * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
552         return from the function.
553
554 2006-01-22  Zack Weinberg  <zackw@panix.com>
555
556         * rtl.def (match_code): Add second argument.
557         * genpreds.c (write_extract_subexp): New function.
558         (write_match_code): Add path argument.  Use write_extract_subexp.
559         (write_predicate_expr): Pass path to write_match_code.
560         (mark_mode_tests): MATCH_CODE applied to a subexpression does
561         not perform a mode test.
562         * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
563         a subexpression does not constrain the top-level code set.
564         * read-rtl.c (read_rtx_variadic): New function.
565         (read_rtx_1): Use it; allow AND and IOR to be variadic.
566         * doc/md.texi: Document new notation.
567         * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
568         (cmpsi_operand): ... here, using new notation.
569
570 2006-01-22  Zack Weinberg  <zackw@panix.com>
571
572         * varray.c: Remove GENERATOR_FILE #ifdefs.
573
574 2006-01-22  Zack Weinberg  <zackw@panix.com>
575
576         * genautomata.c (output_reserved_units_table): Emit nothing if
577         description->query_units_num is zero.  Remove extra blank line.
578         (output_cpu_unit_reservation_p): Short circuit
579         if description->query_units_num is zero.
580
581 2006-01-22  Zack Weinberg  <zackw@panix.com>
582
583         * genattrtab.c: Don't include genattrtab.h.  Define ATTR_NONE
584         and ATTR_SPECIAL (from genattrtab.h).  Don't define num_dfa_decls
585         nor any of the random handful of variables that used to be necessary
586         when this program was linked with rtlanal.o.  Prune set of forward
587         function declarations.
588         (struct attr_desc): Remove static_p field.
589         (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
590         (check_attr_test, make_internal_attr, make_numeric_value): Make static.
591         (attr_string): Do not read the character one past the length of
592         the string.
593         (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
594         (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
595         (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
596         (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
597         (make_automaton_attrs): New.
598         (main): Do not call into genautomata.  Call local gen_bypass
599         and gen_insn_reserv as appropriate.  Call make_automaton_attrs.
600         Remove special case for insn_alts.
601         * genautomata.c: Include gensupport.h; not genattrtab.h nor
602         varray.h (leftover from previous change).  Prune set of forward
603         function declarations.  Remove state_alts fields from all
604         structures.  Remove state_alts_table from struct automaton.
605         Make everything except main static.  Do not maintain num_dfa_decls.
606         Do not maintain state_alts fields of various structures.
607         (process_decls): Don't validate condexp for dm_insn_reserv decls.
608         (add_arc): Remove state_alts argument.  All callers updated.
609         (output_reserved_units_table): Emit #ifdef here...
610         (output_tables): ...not here.  Don't generate state_alts tables.
611         (expand_automata): Don't generate attributes.
612         (write_automata): Don't generate state_alts functions.
613         (main): New function.
614         (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
615         (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
616         (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
617         (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
618         (BYPASS_P_FUNC_NAME, output_state_alts_table)
619         (output_automata_list_state_alts_code, output_internal_state_alts_func)
620         (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
621         (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
622         Delete.
623         * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
624         * genattrtab.h: Delete file.
625         * Makefile.in (OBJS-common): Add insn-automata.o.
626         (insn-automata.o): New rule.
627         (simple_generated_c): Add insn-automata.c.
628         (build/genattrtab.o, build/genautomata.o): Update dependencies.
629         (genprogmd): Add automata.
630         (build/genattrtab): Needs no extra objects nor libraries.
631         (build/genautomata): Needs build/vec.o and -lm.
632
633 2006-01-22  Zack Weinberg  <zackw@panix.com>
634
635         * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
636         (output_dfa_max_issue_rate, locked_states_num): Delete.
637         (struct automaton): Add locked_states field.
638         (output_dead_lock_vect): Save number of locked states in
639         automaton->locked_states.  If it is zero, don't print anything.
640         (output_max_insn_queue_index_def): Define max_insn_queue_index const.
641         (output_internal_dead_lock_func): Only test the dead_lock_vect
642         for automata that have locked states.
643         (output_statistics): Always print the number of locked states for
644         each automaton.  Calculate total number of locked states here.
645         (write_automata): Don't call output_dfa_max_issue_rate.
646         * genattrtab.c: Define length_unit_log as a const variable.
647         * genattr.c: Don't emit MAX_DFA_ISSUE_RATE.  Declare
648         max_insn_queue_index const.
649         * final.c (length_unit_log): Declare const.
650         * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
651
652 2006-01-22  Zack Weinberg  <zackw@panix.com>
653
654         * genautomata.c:  Include vec.h, not varray.h.
655         Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
656         VLA_HWINT_ macros.  Change vla_hwint_t to a typedef for
657         VEC(vect_el_t,heap) *.  Convert all uses of VLA_* macros to
658         VEC_* macros operating on appropriately typed vectors, or to
659         malloced arrays when the size is known in advance.  Const-ify
660         many char* variables and function arguments.  No functional changes.
661         * Makefile.in (build/varray.o): Delete rule.
662         (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
663         (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
664
665 2006-01-22  Zack Weinberg  <zackw@panix.com>
666
667         * gensupport.c: Define get_insn_name and record_insn_name here.
668         (read_md_rtx): Call record_insn_name as appropriate.
669         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
670         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
671         * genpreds.c, genrecog.c: Don't define get_insn_name nor
672         record_insn_name.
673         * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
674         (BUILD_VARRAY): Delete.
675         (genprognormal): Rename genprogmd.  Fold in all programs from
676         genprognoprint; also attrtab.
677         (build/genattrtab): Just mention genautomata.o and varray.o.
678         Reorganize a bit, add comments to make the categories clearer.
679
680 2006-01-22  Zack Weinberg  <zackw@panix.com>
681
682         * genconditions.c (condition_table, add_condition): Delete.
683         (write_conditions): Don't emit n_insn_conditions nor
684         insn_elision_unavailable.  Issue the gcc version #ifdef here,
685         inside the table, with no #else clause ...
686         (write_header): ...not here.
687         (write_writer): New function.
688         (main): Don't initialize condition_table.  Use add_c_test.
689         Call write_writer.
690         * gensupport.c (init_md_reader_args_cb): Handle multiple input
691         files on the command line.
692         (maybe_eval_c_test): Don't check insn_elision_unavailable.
693         Return -1 if there is no entry in the table, don't abort.
694         (add_c_test, traverse_c_tests): New functions.
695         * gensupport.h (insn_elision_unavailable, insn_conditions)
696         (n_insn_conditions): Delete declarations.
697         (add_c_test, traverse_c_tests): Declare.
698         * read-rtl.c: Include gensupport.h.
699         (read_conditions): New function.
700         (read_rtx): If read_rtx_1 returns 0, treat as EOF.
701         (read_rtx_1): If we get EOF when we were looking for an initial
702         open paren, return 0.  Call read_conditions when appropriate.
703         * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
704         dummy-conditions.o.  Eliminate references to insn-conditions.o,
705         or change them to build/gencondmd.o, as appropriate.  Remove
706         insn-constants.h from $(simple_generated_h) and insn-conditions.c
707         from $(simple_generated_c).  For all files remaining in those
708         two lists, add insn-conditions.md to the generator command line.
709         Give insn-constants.h/s-constants their own rules.  Add rules
710         for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
711         (build/read-rtl.o): Depend on gensupport.h.
712         (genprognormal): Include preds.
713         (genprogearly): Rename genprognoprint; only difference is now that
714         they don't link with $(BUILD_PRINT).
715         * dummy-conditions.c: Delete.
716
717 2006-01-22  Zack Weinberg  <zackw@panix.com>
718
719         * genextract.c: Don't include insn-config.h.  Do include vec.h.
720         Declare vectors of int, char, and locstr.
721         (locstr): New typedef.
722         (struct extraction): Make all array fields into bare pointers.
723         (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
724         (insn_code_number): Delete.
725         (accum_extract): New struct.
726         (VEC_safe_set_locstr, VEC_char_to_string): New functions.
727         (gen_insn): Take insn_code_number as an argument.  Use an
728         accum_extract structure instead of loading data directly into
729         a struct extraction, and having to know how big it might get.
730         (walk_rtx): Operate entirely on an accum_extract structure.
731         (print_path): Avoid unnecessary use of printf.
732         (print_header): New function, split out of main.  Distinguish
733         more carefully between an unrecognizable insn and an insn that
734         has the code number of a define_expand.
735         (main): Pass insn_code_number to gen_insn.  Call print_header
736         only after parsing.  Avoid unnecessary use of printf.
737         * Makefile.in (build/vec.o): New rule.
738         (build/genextract): Depend on build/vec.o.
739         (build/genextract.o): Don't depend on insn-config.h.
740
741 2006-01-22  Zack Weinberg  <zackw@panix.com>
742
743         * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
744         $(RUN_GEN).  Use pattern rules to factor out as much boilerplate as
745         practical.  Eliminate per-generator-program link rules.
746
747 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
748
749         PR middle-end/24437
750         * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
751         with a call expr to ...
752         * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
753
754 2006-01-23  Richard Guenther  <rguenther@suse.de>
755
756         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
757         before make_edge with conditional EDGE_TRUE_VALUE.
758
759 2006-01-23  Steven Bosscher  <stevenb.gcc@gmail.com>
760         Jan Hubicka  <jh@suse.cz>
761         Richard Guenther  <rguenther@suse.de>
762
763         PR rtl-optimization/25654
764         * cfgexpand.c (aggregate_contains_union_type): New function.
765         (add_alias_set_conflicts): Call it.  Make sure to add conflicts
766         for structure variables that contain a union type.
767
768 2006-01-23  Richard Sandiford  <richard@codesourcery.com>
769
770         * gengtype.c (new_structure): Return the structure.
771         (create_option): Add an extra "next" argument.
772         (create_field): New function.
773         (adjust_field_rtx_def): Use create_option and create_field.
774         Remove a now-unnecessary call to find_structure.
775         (adjust_field_tree_def): Likewise.
776         (note_yacc_type): Remove an unnecessary call to find_structure.
777         * gengtype.h (new_structure): Return the structure.
778         (create_option): Add an extra argument.
779         * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
780         (option): Adjust calls to create_option.
781
782 2006-01-22  David Edelsohn  <edelsohn@gnu.org>
783
784         * config/rs6000/aix.h (STACK_BOUNDARY): Define.
785
786 2006-01-22  Paul Brook  <paul@codesourcery.com>
787         Peter Barada  <peter@the-baradas.com>
788
789         * config/m68k/m68k.md: Add Coldfire FPU support.
790         Define FP mode macro and associated attributes.
791         Use it for float mode patterns.
792         * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
793         (LIBCALL_VALUE): Use m68k_libcall_value.
794         * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
795         (m68k_function_value): Ditto.
796         (emit_move_sequence): Ditto.
797         * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
798         * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
799         * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
800         (MULTILIB_EXCEPTIONS): Ditto.
801         * config/m68k/m68k.opt: Add mcfv4e.
802         * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
803         (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
804         (m68k_output_function_prologue): Save ColdFire FPU registers.
805         (m68k_output_function_epilogue): Restore ColdFire FPU registers.
806         (force_mode, fp_reg_operand, emit_move_sequence): New functions.
807         (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
808         ColdFire FPU registers.
809         (m68k_libcall_value, m68k_function_value): New functions.
810         * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
811         (LIBCALL_VALUE): Use m68k_libcall_value.
812         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
813         (MASK_COLDFIRE): Add MASK_CFV4E.
814         (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
815         (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
816         (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
817         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
818         (GO_IF_LEGITIMATE_ADDRESS): Use it.
819         (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
820         * doc/invoke.tex: Document -mcfv4e on m68k.
821
822 2006-01-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
823
824         * doc/contribute.texi: Change CVS to SVN and update the corresponding
825         URL.
826
827 2006-01-21  Gabriel Dos Reis  <gdr@integrable-solutions.net>
828
829         PR c++/16190
830         * c-opts.c (c_common_handle_option): Don't include
831         -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
832         * doc/invoke.texi (C++ Dialect Options): Document that
833         -Wnon-virtual-dtor is no longer included in -Wall.
834
835 2006-01-21  Joseph S. Myers  <joseph@codesourcery.com>
836
837         * gcov.c (print_version), gcov-dump.c (print_version),
838         mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
839         dates.
840
841 2006-01-21  Kenneth Zadeck <zadeck@naturalbridge.com>
842
843         * df-scan.c (problem_SCAN): Added NULL reset function.
844         (df_scan_reset_blocks): Added code to call reset block function
845         (df_bb_refs_delete) Fixed comment.
846         (df_insn_refs_delete): Made tolerant of deleting non existent info
847         for dataflow problems that need to be reset.
848         * df-core.c (df_set_blocks): Ditto.
849         * df.h (struct df_problem): Added reset_fun.
850         * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
851         problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
852         (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
853         functions to clear out all references to def-use or use-def chains.
854
855 2006-01-21  Ben Elliston  <bje@au.ibm.com>
856
857         * varasm.c (assemble_real): Initialise data array.
858
859 2006-01-20  Paul Brook  <paul@codesourcery.com>
860
861         Merge from csl-arm-branch.
862         2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
863         * config/arm/arm.md (movdi): Force operands[1] to a register
864         if we have a non-register source.
865         (*arm_movdi, *movdf_soft_insn): Require that one of the
866         operands be a register.
867         * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
868         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
869
870 2006-01-20  DJ Delorie  <dj@redhat.com>
871
872         * varasm.c (initialize_constant_valid_p): Allow pointers
873         initialized from integer constants of lesser precision.
874         (output_constant): Allow non-int-sized pointer modes to be
875         initialized from integer constants.
876
877 2006-01-20  Joseph S. Myers  <joseph@codesourcery.com>
878
879         PR libstdc++/25524
880         * cppdefault.h (struct default_include): Add multilib flag.
881         * cppdefault.c (cpp_include_defaults): Set it.
882         * c.opt (-imultilib): New option.
883         * c-opts.c (imultilib): New.
884         (c_common_handle_option): Handle -imultilib.
885         (c_common_post_options): Likewise.
886         * c-incpath.c (add_standard_paths, register_include_chains):
887         Likewise.
888         * c-incpath.h (register_include_chains): Add extra parameter.
889         * gcc.c (do_spec_1): Generate -imultilib option.
890         (The Specs Language): Update %I description.
891         (process_command): Update copyright notice.
892         * doc/cppopts.texi (-imultilib): Document.
893         * doc/invoke.texi (-imultilib): Include in option summary.
894         (%I): Update specs documentation.
895
896 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
897
898         * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
899
900 2006-01-20  Richard Sandiford  <richard@codesourcery.com>
901
902         * stmt.c (case_bit_test_cmp): Stabilize the sort using code
903         label numbers.
904
905 2006-01-20  Richard Guenther  <rguenther@suse.de>
906         Steven Bosscher <stevenb.gcc@gmail.com>
907
908         PR rtl-optimization/24626
909         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
910         EDGE_TRUE_VALUE if in RTL mode.
911
912         Revert
913         2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
914         * cfgrtl.c (rtl_verify_flow_info_1): Fix.
915
916 2006-01-20  Dirk Mueller  <dmueller@suse.com>
917
918         PR c++/5520
919         * c-parser.c (c_parser_if_body): Use build_empty_stmt()
920         instead of a special NOP marker.
921         * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
922         NOP marker handling.
923         * c-common.h (empty_body_warning): Add forward declaration.
924         * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
925         Now uses IS_EMPTY_STMT() instead of special NOP markers.
926
927 2006-01-20  Paul Brook  <paul@codesourcery.com>
928
929         * Makefile.in (lang_checks): Keep going if mkdir fails.
930
931 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
932
933         * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
934         be able to clean out basic block when not necessary.
935         (df_scan_free): Fixed to properly delete information if df is
936         unused before calling df_finish.
937         (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
938         df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
939         or comment typos.
940         (df_bb_refs_delete): New function.
941         (df_refs_delete): Moved per block code to df_bb_refs_delete.
942         * df-core.c (df_set_blocks): Added code to properly clean out
943         unused blocks if they are not part of the blocks to consider.
944         Added additional null check.
945         (df_compact_blocks): Added basic block parameter to free_bb_fun to
946         be able to clean out basic block when not necessary
947         * df.h (df_free_bb_function): Ditto.
948         (df_bb_refs_delete): New function.
949         * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
950         df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
951         basic block parameter to be able to clean out basic block when not
952         necessary.
953         (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
954         (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
955         Fixed to properly delete information if df is unused before
956         calling df_finish.
957
958 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
959
960         PR rtl-optimization/25799
961         * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
962         Corrected confluence operator to remove bits from op2 before oring
963         with op1 rather than removing bits from op1.
964         (df_ru_transfer_function): Corrected test on wrong bitmap which
965         caused infinite loop.  Both of these problems were introduced in
966         the dataflow rewrite.
967
968 2006-01-19  DJ Delorie  <dj@redhat.com>
969
970         * reload1.c (find_reload_regs): Note the details of reload
971         failures in the dump file.
972         (spill_failure): Likewise.
973
974 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
975
976         * loop-iv.c: Include df.h and hashtab.h.
977         (enum iv_grd_result): New enum.
978         (DF_REF_IV, DF_REF_IV_SET): New macros.
979         (struct biv_entry): New.
980         (df, bivs): New global variables.
981         (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
982         assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
983         Removed.
984         (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
985         iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
986         analyzed_for_bivness_p, record_biv): New functions.
987         (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
988         get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
989         iv_analyze, biv_p, iv_analysis_done): Work with df representation of
990         UD chains.
991         (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
992         analysed.
993         (iv_number_of_iterations): Use new interface to iv analysis.
994         * loop-unroll.c: Do not include varray.h.
995         (analyze_iv_to_split_insn): Use new interface to iv
996         analysis.
997         * loop-unswitch.c (may_unswitch_on): Ditto.
998         * df.c (df_bitmaps_free): Only work for bbs for that structures are
999         allocated.
1000         (df_bb_modify): Realloc tables to the new index.
1001         (df_find_use): New function.
1002         * df.h (df_find_use): Declare.
1003         * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
1004         outmode.
1005         * cfgloop.h (struct rtx_iv): Remove analysed field.
1006         (iv_get_reaching_def): Removed.
1007         (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
1008         * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
1009         (loop-iv.o): Add df.h and hashtab.h dependency.
1010         * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
1011
1012 2006-01-20  Alan Modra  <amodra@bigpond.net.au>
1013
1014         * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
1015         Double TFmode.
1016         (__floatundisf, __floatundidf): Likewise.
1017         * libgcc2.h (IS_IBM_EXTENDED): Define.
1018
1019 2006-01-19  DJ Delorie  <dj@redhat.com>
1020
1021         * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
1022
1023 2006-01-19  Paul Brook  <paul@codesourcery.com>
1024
1025         * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
1026         as nothrow when unwinding tables are disabled.
1027
1028 2006-01-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1029
1030         PR testsuite/25171
1031         * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
1032         of bit-field" when in system header.
1033
1034 2006-01-19  DJ Delorie  <dj@redhat.com>
1035
1036         * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
1037         the 16 bit shift limit of the m16c.
1038
1039 2006-01-19  Andrew Pinski  <pinskia@physics.uc.edu>
1040
1041         PR target/22099
1042         * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
1043         * config/i386/i386.c (output_set_got): Output the label if we have one
1044         for the TARGET_DEEP_BRANCH_PREDICTION case.
1045
1046 2006-01-19  Jan Hubicka  <jh@suse.cz>
1047             H.J. Lu  <hongjiu.lu@intel.com>
1048             Evandro Menezes <evandro.menezes@amd.com>
1049
1050         * invoke.texi (generic): Document
1051         (i686) Update.
1052         * config.gcc: Make x86_64-* and i686-* default to generic tunning.
1053         * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
1054         TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
1055         (x86_use_incdec, x86_pad_returns): New variables
1056         (TARGET_CPU_DEFAULT_generic): New constant
1057         (TARGET_CPU_DEFAULT_NAMES): Add generic.
1058         (enum processor_type): Add generic32 and generic64.
1059         * i386.md (cpu attribute): Add generic32/generic64
1060         (movhi splitter): Behave sanely when both partial_reg_dependency and
1061         partial_reg_stall are set.
1062         (K8 splitters): Enable for generic as well.
1063         * predicates.md (incdec_operand): Use TARGET_INCDEC
1064         (aligned_operand): Avoid memory mismatch stalls.
1065         * athlon.md: Enable for generic64, new patterns for 128bit moves.
1066         * ppro.md: Enable for generic32
1067         * i386.c (generic64_cost, generic32_cost): New.
1068         (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
1069         (x86_use_leave): Enable for generic64.  (x86_use_sahf,
1070         x86_ext_80387_constants): Enable for generic32.  (x86_push_memory,
1071         x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
1072         x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1073         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1074         x86_partial_reg_dependency, x86_memory_mismatch_stall,
1075         x86_accumulate_outgoing_args, x86_prologue_using_move,
1076         x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1077         x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
1078         Enable for generic.
1079         (x86_use_incdec, x86_pad_returns): New.
1080         (override_options): Add generic32 and generic64, translate "generic"
1081         to generic32/generic64 and "i686" to "generic32", refuse
1082         "generic32"/"generic64" as arch target.
1083         (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
1084         (ix86_reorg): Honor PAD_RETURNS.
1085
1086 2006-01-19  Diego Novillo  <dnovillo@redhat.com>
1087
1088         * tree-pretty-print.c (dump_generic_node): Handle
1089         OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
1090         * cgraph.c (cgraph_expand_queue): Rename from
1091         cgraph_analyze_queue.  Update all users.
1092         * cgraphunit.c (cgraph_assemble_pending_functions): Process
1093         cgraph_expand_queue.
1094         (cgraph_expand_all_functions): Likewise.
1095         (cgraph_finalize_pending_functions): Remove.  Update callers.
1096
1097         * tree.h (OMP_DIRECTIVE_P): Define.
1098         (OMP_PARALLEL_FN): Define.
1099         (OMP_PARALLEL_DATA_ARG): Define.
1100         (OMP_SECTIONS_SECTIONS): Define.
1101         * tree-pass.h (pass_expand_omp): Declare.
1102         * omp-low.c (struct omp_region): Declare.
1103         (struct omp_context): Remove fields 'parallel_type',
1104         'parallel_start_ix' and 'parallel_start_additional_args'.
1105         Update all users.
1106         (struct omp_for_data): Rename from struct expand_omp_for_data.
1107         (omp_regions): New static variable.
1108         (root_omp_region): New static variable.
1109         (find_omp_clause): Make static.
1110         (is_in_combined_parallel_ctx): Remove.
1111         (is_combined_parallel): New.
1112         (extract_omp_for_data): Move earlier in the file.
1113         (workshare_safe_to_combine_p): New.
1114         (get_ws_args_for): New.
1115         (determine_parallel_type): Move earlier in the file.
1116         (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
1117         child function.
1118         (omp_copy_decl): Likewise.
1119         (create_omp_child_function): Likewise.
1120         (lookup_omp_region): New.
1121         (dump_omp_region): New.
1122         (debug_omp_region): New.
1123         (debug_all_omp_regions): New.
1124         (new_omp_region): New.
1125         (scan_omp_parallel): If parallel_nesting_level > 1, the
1126         directive is nested within another parallel directive.
1127         Set OMP_PARALLEL_FN.
1128         (scan_omp_for): Do not try to handle combined parallel+for
1129         cases.
1130         Remove FIXME comment.
1131         (scan_omp_nested): Remove.
1132         (scan_omp_1): Do not call scan_omp_nested when
1133         parallel_nesting_level is > 1.
1134         Do not change the DECL_CONTEXT of local variables found.
1135         (lookup_decl_in_outer_ctx): New.
1136         (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
1137         (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
1138         (lower_reduction_clauses): Rename from expand_reduction_clauses.
1139         (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
1140         If CTX is nested, lookup VAR in the outer context when
1141         building copy assignment.
1142         (lower_send_clauses): Rename from expand_send_clauses.
1143         If CTX is nested, lookup VAR in the outer context when
1144         building copy assignments.
1145         (lower_send_shared_vars): Rename from expand_send_shared_vars.
1146         If CTX is nested, lookup VAR in the outer context when
1147         building copy assignments.
1148         (expand_parallel_call): Rename from build_parallel_call.
1149         Handle combined parallel+workshare cases.
1150         Re-implement to emit code into the CFG.
1151         (list2chain): New.
1152         (expand_omp_parallel): Re-implement to emit code into the CFG.
1153         Call move_sese_region_to_fn to outline the sub-graph
1154         containing the parallel region.
1155         (expand_omp_for_1): Remove.
1156         (expand_omp_for_generic): Re-implement to emit code into the
1157         CFG.
1158         (expand_omp_for_static_nochunk): Likewise.
1159         (expand_omp_for_static_chunk): Likewise.
1160         (expand_omp_for): Likewise.
1161         (expand_omp_sections): Likewise.
1162         (remove_exit_barriers): New.
1163         (expand_omp_synch): New.
1164         (expand_omp): New.
1165         (build_omp_regions_1): New.
1166         (build_omp_regions): New.
1167         (execute_expand_omp): New.
1168         (gate_expand_omp): New.
1169         (pass_expand_omp): Define.
1170         (lower_omp_sections): Rename from expand_omp_sections.
1171         Set OMP_SECTIONS_SECTIONS.
1172         (lower_omp_single_simple): Rename from expand_omp_single_simple.
1173         (lower_omp_single_copy): Rename from expand_omp_single_copy.
1174         (lower_omp_single): Rename from expand_omp_simple.
1175         (lower_omp_master): Rename from expand_omp_master.
1176         (lower_omp_ordered): Rename from expand_omp_ordered.
1177         (lower_omp_critical): Rename from expand_omp_critical.
1178         (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
1179         (lower_omp_for): Re-implement.
1180         (lower_omp_parallel): Re-implement.
1181         (lower_regimplify): Rename from expand_regimplify.
1182         (lower_omp_1): Rename from expand_omp_1.
1183         If there are syntax errors in the program, replace every
1184         OpenMP directive with NOP.
1185         Call lower_omp_* instead of expand_omp_*.
1186         (lower_omp): Rename from expand_omp.
1187
1188         * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
1189         * tree-gimple.h (enum omp_parallel_type): Remove.
1190         (gimple_boolify): Declare extern.
1191         (find_omp_clause, determine_parallel_type): Remove.
1192
1193         * gimple-low.c (lower_omp_directive): New.
1194         (lower_stmt): Call it.
1195         (record_vars_into): Move from ...
1196         (record_vars): ... here.
1197         Call record_vars_into with current_function_decl.
1198
1199         * gimplify.c (struct gimplify_ctx): Remove fields
1200         combined_pre_p and combined_ctxp.  Update users.
1201         (get_formal_tmp_var): Add documentation.
1202         (gimple_boolify): Make extern.
1203         (gimplify_expr_in_ctx): Remove.  Update callers.
1204         (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
1205         will always be a BIND_EXPR.
1206         (gimplify_expr): Handle OMP_RETURN_EXPR.
1207         * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
1208         (OMP_PARALLEL): Add 3 operands.
1209         (OMP_SECTIONS): Add 1 operand.
1210         (OMP_RETURN_EXPR): Define.
1211
1212         * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
1213         (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
1214         * tree-iterator.c (alloc_stmt_list): Assert that we are not
1215         creating a circular free list.
1216         (free_stmt_list): Assert that we are not freeing stmt_list_cache.
1217
1218         * tree-flow.h (move_sese_region_to_fn): Declare.
1219         (record_vars_into): Declare.
1220         * tree-cfg.c (make_omp_sections_edges): New.
1221         (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
1222         OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
1223         OMP_SECTIONS and OMP_SECTION.
1224         (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
1225         (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
1226         (verify_stmt): Do not handle OMP_DIRECTIVE_P.
1227         (gather_blocks_in_sese_region): New.
1228         (struct move_stmt_d): Declare.
1229         (move_stmt_r): New.
1230         (move_block_to_fn): New.
1231         (move_sese_region_to_fn): New.
1232
1233         * passes.c (init_optimization_passes): Schedule
1234         pass_expand_omp after pass_init_datastructures.
1235
1236         * tree-ssa-operands.c (get_expr_operands): Handle
1237         OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
1238         OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
1239
1240 2006-01-19  Jeff Law  <law@redhat.com>
1241
1242         * tree-vrp.c (extract_range_from_assert): Refine the result range
1243         if the variable referenced by the ASSERT_EXPR has a range and
1244         either the tentative result range or the previous range is a
1245         VR_ANTI_RANGE.
1246
1247 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
1248
1249         * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
1250
1251 2006-01-19  Jan Hubicka  <jh@suse.cz>
1252
1253         * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
1254
1255 2006-01-19  Paolo Bonzini  <bonzini@gnu.org>
1256
1257         * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
1258         (expand_compound_operation, expand_field_assignment): Fail if the
1259         bit lengths of an extract operation are out of range.
1260         (make_extraction): Compute wanted_inner_mode based on the position
1261         and length of the extraction.  Make it extraction_mode for non-constant
1262         positions, and do not modify offset in that case.  When generating a
1263         new MEM, use a mode that can hold the extraction while keeping correct
1264         alignment.  Remove code that supported MEMs wrapped by USEs.
1265         (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
1266
1267 2006-01-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1268
1269         * config/s390/s390.md ("Y", "y"): New mode attribute.
1270         ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1271         "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
1272         "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
1273         "*addsi3_imm_cc", "*addsi3_carry1_cc",
1274         "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
1275         "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
1276         "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
1277         "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
1278         "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
1279         "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
1280         "addsi3", "subsi3"): Insn patterns removed.
1281         ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
1282         "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
1283         "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
1284         "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
1285         "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
1286         "*sub<mode>3_cconly2"): New insn patterns.
1287         ("addsi3", "subsi3"): New expanders.
1288
1289 2006-01-19  Dorit Nuzman  <dorit@il.ibm.com>
1290
1291         * Makefile.in (tree-vect-patterns.o): Add rule for new file.
1292         * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
1293         existing STMT_VINFO_VECTYPE if available.
1294         (vect_mark_relevant): Add special handling for stmts that are
1295         marked as STMT_VINFO_IN_PATTERN_P.
1296         (vect_analyze_loop): Call vect_pattern_recog.
1297         * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1298         * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
1299         stmt_info.
1300         (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
1301         (vect_recog_func_ptr): New function-pointer type.
1302         * tree-vect-patterns.c: New file.
1303         (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
1304         (vect_recog_dot_prod_pattern, vect_pattern_recog):
1305         (vect_pattern_recog_1): New functions.
1306         (vect_pattern_recog_funcs): New array of function pointers.
1307
1308         * tree-vectorizer.h (ternary_op): New enum value.
1309         * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
1310         declaration. Revised documentation. Removed redundant dump prints.
1311         Removed redundant argument. Added support for reduction patterns.
1312         (vectorizable_reduction): Added support for reduction patterns.
1313         (vect_transform_stmt): Added support for patterns.
1314
1315         * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
1316         * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
1317         * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
1318         (expand_widen_pattern_expr): New function.
1319         (init_optabs): Initialize new optabs udot_prod_optab,
1320         sdot_prod_optab.
1321         * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
1322         (sdot_prod_optab, udot_prod_optab): Define new optabs.
1323         (expand_widen_pattern_expr): New function declaration.
1324         * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
1325         tree-codes.
1326         * tree-inline.c (estimate_num_insns_1): Added cases for new
1327         tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1328         * tree-pretty-print.c (dump_generic_node): Likewise.
1329         (op_prio): Likewise.
1330         (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1331         * tree-ssa-operands.c (get_expr_operands): Added case for
1332         DOT_PROD_EXPR.
1333         * tree-vect-patterns.c (widened_name_p): New function.
1334         (vect_recog_dot_prod_pattern): Added function implementation.
1335         * tree-vect-transform.c (get_initial_def_for_reduction): Added
1336         cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
1337         * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
1338         * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
1339
1340         * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
1341         * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
1342         * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
1343         (init_optabs): Initialize new optabs widen_ssum_optab,
1344         widen_usum_optab.
1345         * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
1346         (widen_ssum_optab, widen_usum_optab): Define new optabs.
1347         * tree-vect-generic.c: (expand_vector_operations_1): Check type of
1348         use instead of type of def.
1349         * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
1350         function implementation.
1351         * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
1352         widen_ssumv8hi): New.
1353
1354         * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
1355         patterns.
1356
1357 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
1358
1359         PR c/25805
1360         * c-decl.c (add_flexible_array_elts_to_size): New function.
1361         (finish_decl): Use it.
1362
1363 2006-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
1364
1365         * diagnostic.h: Include options.h.
1366         * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
1367         dependancies for diagnostic.h.
1368         * Makefile.in (DIAGNOSTIC_H): Add options.h.
1369
1370 2006-01-16  Daniel Berlin  <dberlin@dberlin.org>
1371
1372         * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
1373         (ssa_ro_call_cache_valid): Ditto.
1374         * tree-ssa-alias.c (sort_tags_by_id): New function.
1375         (init_transitive_clobber_worklist): Ditto.
1376         (add_to_worklist): Ditto.
1377         (mark_aliases_call_clobbered): Ditto.
1378         (compute_tag_properties): Ditto.
1379         (set_initial_properties): Ditto.
1380         (compute_call_clobbered): Ditto.
1381         (compute_may_aliases):  Call compute_call_clobbered and grouping.
1382         (compute_flow_sensitive_aliasing): Remove clobbering related code.
1383         (compute_flow_insensitive_aliasing): Grouping now happens in our
1384         caller.
1385         (setup_pointers_and_addressables): Remove clobbering related code.
1386         (add_may_alias): Ditto.
1387         (replace_may_alias): Ditto.
1388         (get_nmt_for): Ditto.
1389         (create_global_var):
1390         (is_escape_site): Return an escape_type enumeration.
1391         * tree-flow-inline.h (is_call_clobbered):  Global var does not
1392         imply call clobbered.
1393         (mark_call_clobbered): Take a reason for marking this. Remove
1394         marking of globalness, and cache invalidation.
1395         (clear_call_clobbered): Remove cache invalidation code.
1396         * tree-dfa.c (dump_variable): If details is on, dump the reason
1397         for escaping.
1398         * tree-outof-ssa.c (create_temp): Copy escape mask from original
1399         variable.
1400         * tree-flow.h (struct ptr_info_def): Add escape mask member.
1401         (struct var_ann_d): Ditto.
1402         (enum escape_type): New.
1403         (mark_call_clobbered): Adjust prototype.
1404         * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
1405         are never call clobbered.
1406         Record reasons for escaping.
1407         * tree-ssa-structalias.h (is_escape_site): Update prototype.
1408         * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
1409         (ssa_ro_call_cache_valid): Ditto.
1410         (clobbered_v_may_defs): Ditto.
1411         (clobbered_vuses): Ditto.
1412         (ro_call_vuses): Ditto.
1413         (clobber_stats): New.
1414         (init_ssa_operands): Zero out clobber stats.
1415         (fini_ssa_operands): Print out clobber stats.
1416         (get_call_expr_operands): Pass callee fndecl to
1417         add_call_read_ops).
1418         (add_call_clobber_ops): Remove use of cache.
1419         Add use of PURE_CONST information.
1420         (add_call_read_ops): Remove use of cache.
1421         Add use of static not_read information.
1422
1423 2006-01-18  Alexandre Oliva  <aoliva@redhat.com>
1424
1425         Introduce TLS descriptors for i386 and x86_64.
1426         * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
1427         (TARGET_ANY_GNU_TLS): New macro.
1428         (enum tls_dialect): Added TLS_DIALECT_GNU2.
1429         (struct machine_function): Add tls_descriptor_call_expanded_p.
1430         (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
1431         (ix86_current_function_calls_tls_descriptor): Likewise.
1432         * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
1433         (override_options): Introduce gnu2 tls dialect.
1434         (ix86_frame_pointer_required): Functions containing TLSCALLs are
1435         not leaves.
1436         (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
1437         Likewise.
1438         (legitimize_tls_address): Adjust logic for GNU2 TLS.
1439         (ix86_init_machine_status): Initialize new field.
1440         (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
1441         (ix86_tls_module_base): New.
1442         * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
1443         * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
1444         (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
1445         (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
1446         (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
1447         (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
1448         (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
1449         (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
1450         * config/i386/predicates.md (tls_modbase_operand): New.
1451         (tp_or_register_operand): New.
1452
1453 2006-01-18  Daniel Berlin  <dberlin@dberlin.org>
1454
1455         * ipa-reference.c (check_operand):  Allow FUNCTION_DECL.
1456         (look_for_address_of): Ditto.
1457         (ipa_init): Walk the function decls.
1458         (static_execute): Don't set readonly on FUNCTION_DECL's.
1459
1460 2006-01-18  Roger Sayle  <roger@eyesopen.com>
1461
1462         * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
1463         for shifts where the source and destination registers are different.
1464
1465 2006-01-18  Paul Brook  <paul@codesourcery.com>
1466
1467         Merge from csl-arm-branch.
1468         2005-03-14  Julian Brown  <julian@codesourcery.com>
1469         * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
1470         (aeabi_llsl): Likewise.
1471         (ashrdi3): Likewise.
1472         (aeabi_lasr): Likewise.
1473         (lshrdi3): Likewise.
1474         (aeabi_llsr): Likewise.
1475         2005-03-10  Julian Brown  <julian@codesourcery.com>
1476         * config.gcc: Disable shared libgcc for SymbianOS.
1477         * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
1478
1479 2006-01-18  DJ Delorie  <dj@redhat.com>
1480
1481         * c-pragma.c (handle_pragma_diagnostic): New.
1482         (init_pragma): Register it.
1483         * doc/extend.texi: Document it.
1484
1485         * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
1486         * diagnostic.h (diagnostic_classify_diagnostic): Declare.
1487         (diagnostic_context): Add classify_diagnostic[].
1488         * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
1489         as errors if they're overridden to DK_WARNING.
1490         (diagnostic_initialize): Initialize classify_diagnostic[].
1491         (diagnostic_set_kind_override): New.
1492         (diagnostic_report_diagnostic): Check for kind changes.
1493         * opts.c (common_handle_option): Take lang_mask.  Update callers.
1494         Handle OPT_Werror_.
1495         * common.opt (Werror=): New.
1496         * doc/invoke.texi: Document -Werror=*
1497
1498 2006-01-18  Jeff Law  <law@redhat.com>
1499
1500         * tree-vrp.c (test_for_singularity): Correct test for new
1501         min limit.  Use operand_equal_p rather than pointer equality
1502         for testing if new min/max values are equal.
1503
1504         * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
1505         using range information until after propagation and folding.
1506
1507 2006-01-18  Richard Henderson  <rth@redhat.com>
1508             Aldy Hernandez  <aldyh@redhat.com>
1509             Jakub Jelinek  <jakub@redhat.com>
1510             Diego Novillo  <dnovillo@redhat.com>
1511
1512         * omp-low.c: New file.
1513         * c-omp.c: New file.
1514
1515 2006-01-18  Richard Henderson  <rth@redhat.com>
1516             Jakub Jelinek  <jakub@redhat.com>
1517             Diego Novillo  <dnovillo@redhat.com>
1518
1519         * doc/invoke.texi: Document -fopenmp.
1520         * tree-dump.h (debug_function): Declare.
1521         * hooks.c (hook_bool_tree_bool_false): New function.
1522         (hook_tree_tree_null): Remove.
1523         (hook_tree_tree_tree_null): New.
1524         * hooks.h: Update to match.
1525         * tree-pretty-print.c (debug_tree_chain): New.
1526         (print_generic_expr): Handle TDF_CHAIN.
1527         (dump_generic_node): Handle BLOCK.
1528         Do not abort with incomplete SWITCH_EXPRs.
1529         Do not dump body of an OpenMP directive if TDF_SLIM is given.
1530         <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
1531         print space after directive name.
1532         <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
1533         Handle OMP_MASTER and OMP_ORDERED.
1534         Handle printing of OMP_BODY just in one place, goto
1535         dump_omp_body in the rest of OMP_* nodes that have
1536         OMP_BODY.
1537         Don't handle clause nodes here.  Update omp statements to
1538         use dump_omp_clauses.
1539         Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
1540         OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
1541         OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
1542         GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
1543         GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
1544         GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
1545         Adjust output for GOMP_PARALLEL.
1546         (dump_omp_clauses): New.
1547         (print_declaration): Dump DECL_VALUE_EXPR.
1548         (op_symbol_1): Split out of op_symbol.
1549         (dumping_stmts): Remove.  Update all users.
1550         * cgraph.c (cgraph_analyze_queue): New.
1551         (cgraph_add_new_function): New.
1552         * cgraph.h (cgraph_analyze_queue): Declare.
1553         (cgraph_add_new_function): Declare.
1554         (cgraph_lower_function): Remove.
1555         * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
1556         nodes.  Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
1557         and TYPE_P nodes in its default clause.
1558         (empty_body_p): New.
1559         (tree_range_check_failed): New.
1560         (build5_stat): New.
1561         * tree.h (OMP_CLAUSE_REDUCTION_INIT,
1562         OMP_CLAUSE_REDUCTION_MERGE,
1563         OMP_CLAUSE_REDUCTION_PLACEHOLDER,
1564         OMP_CLAUSE_PRIVATE_DEBUG,
1565         OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
1566         OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
1567         OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
1568         OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
1569         OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
1570         OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
1571         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
1572         OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
1573         OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
1574         OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
1575         OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
1576         OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
1577         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
1578         OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
1579         (TREE_RANGE_CHECK): New.
1580         (empty_body_p): Declare.
1581         (enum omp_clause_default_kind): New.
1582         (build_string_literal): Declare.
1583         (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
1584         (build5_stat, build5): Declare.
1585         * tree-pass.h (TDF_CHAIN): Define.
1586         * tree-pass.h (PROP_gimple_lomp): Define.
1587         (pass_lower_omp): Declare.
1588         * diagnostic.h (debug_tree_chain): Declare.
1589         * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
1590         mode_for_size.
1591         (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
1592         * builtins.c (build_string_literal): Make extern.
1593         * gcc.c (include_spec_function): New.
1594         (static_spec_functions): Add it.
1595         (main): Move load of libgomp.spec ...
1596         (LINK_COMMAND_SPEC): ... here.
1597         (link_gomp_spec): New.
1598         (static_specs): Include it.
1599         (LINK_COMMAND_SPEC): Add link_gomp.
1600         (GOMP_SELF_SPECS): New.
1601         (driver_self_specs): Include it.
1602         (switch_matches): Don't mark inline.
1603         (main): Load libgomp.spec.
1604         * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
1605         OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
1606         and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
1607         * tree-gimple.h (enum omp_parallel): Declare.
1608         (determine_parallel_type): Declare.
1609         (omp_firstprivatize_variable): Declare.
1610         (omp_reduction_init): Declare.
1611         (diagnose_omp_structured_block_errors): Declare.
1612         (struct walk_stmt_info): Add want_return_expr.
1613         (struct walk_stmt_info): Add want_bind_expr, want_locations.
1614         (find_omp_clause): Declare.
1615         (insert_field_into_struct): Declare.
1616         (struct walk_stmt_info): Move from tree-nested.c
1617         (walk_stmts): Declare.
1618         * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
1619         to 200505.
1620         * cgraphunit.c (cgraph_lower_function): Make static.
1621         (cgraph_finalize_pending_functions): New.
1622         (cgraph_finalize_function): Call it.
1623         (cgraph_finalize_compilation_unit): Likewise.
1624         * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
1625         BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
1626         (BT_FN_UINT_UINT): New.
1627         (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
1628         DEF_FUNCTION_TYPE_VAR_4): Document.
1629         (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
1630         BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
1631         BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
1632         BT_FN_VOID_OMPFN_PTR_UINT_UINT,
1633         BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
1634         BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
1635         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
1636         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
1637         * builtins.def: Update DEF_BUILTIN comment to include COND argument.
1638         Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
1639         into separate files.
1640         (DEF_GOMP_BUILTIN): New.
1641         (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
1642         BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
1643         BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
1644         BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
1645         BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
1646         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
1647         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
1648         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
1649         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
1650         BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
1651         BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
1652         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
1653         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
1654         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
1655         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
1656         BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
1657         BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
1658         BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
1659         BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
1660         BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
1661         BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
1662         BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
1663         BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
1664         BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
1665         BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
1666         BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
1667         * sync-builtins.def: New file, moved from builtins.def.
1668         * omp-builtins.def: New file, moved from builtins.def.
1669         * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
1670         * gimple-low.c (lower_function_body): Clear data.
1671         (lower_stmt): Do not handle COMPOUND_EXPR.
1672         Remove call to print_node_brief.
1673         * c-tree.h (c_finish_omp_clauses): New prototype.
1674         (C_DECL_THREADPRIVATE_P): Define.
1675         (lookup_name_no_remap, c_omp_remap_private): Remove
1676         (c_begin_omp_parallel, c_finish_omp_parallel): Update.
1677         (check_for_loop_decls): Update decl.
1678         (lookup_name_no_remap, c_omp_remap_private): Declare.
1679         (build_indirect_ref, build_modify_expr, pushdecl,
1680         pushdecl_top_level): Move to c-common.h.
1681         * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
1682         before the switch, but just in the 2 places that need it.
1683         * c-decl.c (diagnose_mismatched_decls): Do not check for
1684         mismatched thread-local attributes when OLDDECL is marked
1685         threadprivate and NEWDECL has no thread-local attributes.
1686         (merge_decls): Merge C_DECL_THREADPRIVATE_P.
1687         (c_gimple_diagnostics_recursively): Rename from
1688         c_warn_unused_result_recursively.  Invoke
1689         diagnose_omp_structured_block_errors.
1690         (check_for_loop_decls): Return a singular decl found.
1691         * langhooks.c (lhd_omp_predetermined_sharing): Return
1692         OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
1693         (lhd_omp_firstprivatize_type_sizes): New.
1694         (lhd_omp_assignment): New.
1695         (lhd_omp_predetermined_sharing): New.
1696         * langhooks.h (struct gimplify_omp_ctx): Forward declare.
1697         (struct lang_hooks_for_types): Add
1698         omp_firstprivatize_type_sizes, omp_privatize_by_reference,
1699         omp_predetermined_sharing, omp_disregard_value_expr,
1700         omp_private_debug_clause, omp_clause_default_ctor,
1701         omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
1702         (c_finish_omp_clauses): New.
1703         (c_finish_bc_stmt): Diagnose break within omp for.
1704         (c_begin_omp_parallel, c_finish_omp_parallel): New.
1705         (build_unary_op): Return error_mark after reporting
1706         a readonly_error.
1707         (build_modify_expr): Likewise.
1708         * gimplify.c: Include optabs.h and pointer-set.h.
1709         (enum gimplify_omp_var_data): Declare.
1710         (struct gimplify_omp_ctx): Declare.
1711         (struct gimplify_ctx): Add fields prev_context, combined_pre_p
1712         and combined_ctxp.
1713         (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
1714         (push_gimplify_context, pop_gimplify_context): Allow nesting.
1715         (splay_tree_compare_decl_uid): New.
1716         (new_omp_context): New.
1717         (delete_omp_context): New.
1718         (gimple_add_tmp_var): Call omp_add_variable.
1719         (gimplify_bind_expr): Likewise.
1720         (gimplify_var_or_parm_decl): If omp_notice_variable returned
1721         true, disregard DECL_VALUE_EXPR on the decl if any.
1722         (gimplify_expr_in_ctx): New.
1723         (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
1724         omp_add_variable, omp_notice_variable, omp_is_private
1725         gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
1726         gimplify_adjust_omp_clauses, gimplify_omp_parallel
1727         gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
1728         gimplify_omp_atomic_fetch_op, goa_stabilize_expr
1729         gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
1730         gimplify_omp_atomic): New.
1731         (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1732         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1733         OMP_CRITICAL and OMP_ATOMIC.
1734         (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
1735         * c-pragma.h (enum pragma_kind): Add
1736         PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
1737         PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
1738         PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
1739         PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
1740         PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
1741         PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
1742         PRAGMA_OMP_THREADPRIVATE.
1743         * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1744         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1745         OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
1746         OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
1747         OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
1748         OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
1749         OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
1750         OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
1751         OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
1752         * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
1753         * tree-ssa-dce.c (find_control_dependence): Do not assume that
1754         ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
1755         * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
1756         OpenMP directives.
1757         (struct nesting_info): Add field_map,
1758         suppress_expansion, debug_var_chain.
1759         (create_nesting_tree): Initialize them.
1760         (lookup_field_for_decl): Use field_map.
1761         (get_nonlocal_debug_decl, get_local_debug_decl): New.
1762         (convert_local_omp_clauses): New.
1763         (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
1764         (walk_body): Split out of walk_function.
1765         (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
1766         (convert_nonlocal_reference): Handle omp statements.
1767         (convert_local_reference): Likewise.
1768         (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
1769         (unnest_nesting_tree): New.
1770         (lower_nested_functions): Call it.
1771         (insert_field_into_struct): Make extern.
1772         (struct walk_stmt_info): Move to tree-gimple.h.
1773         (walk_stmts): Make extern.
1774         * omp-builtins.def: New file.
1775         * tree-iterator.c (expr_only): Clarify comment.
1776         * c-common.h (pushdecl_top_level, pushdecl,
1777         build_modify_expr, build_indirect_ref,
1778         c_finish_omp_master, c_finish_omp_critical,
1779         c_finish_omp_ordered, c_finish_omp_barrier,
1780         c_finish_omp_atomic, c_finish_omp_flush,
1781         c_finish_omp_for, c_split_parallel_clauses,
1782         omp_clause_default_kind, c_omp_sharing_predetermined,
1783         c_omp_remap_decl): Declare.
1784         * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
1785         (OBJS-common): Add omp-low.o.
1786         (c-omp.o, omp-low.o): Add.
1787         (gimplify.o): Add dependency on $(OPTABS_H).
1788         (GTFILES): Add omp-low.c.
1789         (gt-stringpool.h): Add.
1790         * tree-cfg.c (set_bb_for_stmt): Do not update the
1791         block-to-labels map if we are currently expanding to RTL.
1792         (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
1793         checks.
1794         Handle IDENTIFIER_NODE.
1795         (tree_verify_flow_info): Do not ICE when emitting error
1796         messages about invalid labels.
1797         (dump_function_to_file): Reset CFUN before emitting the body
1798         of the function.
1799         (debug_function): New.
1800         * passes.c (init_optimization_passes): Schedule
1801         pass_lower_omp.
1802         * langhooks-def.h (lhd_omp_predetermined_sharing,
1803         lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
1804         Declare.
1805         (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
1806         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
1807         (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
1808         LANG_HOOKS_OMP_PREDETERMINED_SHARING,
1809         LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
1810         LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
1811         LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
1812         LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
1813         LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
1814         LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
1815         (LANG_HOOK_DECLS): Use them.
1816
1817 2006-01-18  Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
1818             Richard Henderson  <rth@redhat.com>
1819             Jakub Jelinek  <jakub@redhat.com>
1820             Diego Novillo  <dnovillo@redhat.com>
1821
1822         * c-parser.c (pragma_omp_clause): Define.
1823         (c_parser_declaration_or_fndef): Document OpenMP syntax.
1824         (c_parser_compound_statement): Likewise.
1825         (c_parser_statement): Likewise.
1826         (c_parser_pragma): Handle omp pragmas.
1827         (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
1828         OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
1829         (c_parser_omp_clause_name, check_no_duplicate_clause,
1830         c_parser_omp_variable_list,
1831         c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
1832         c_parser_omp_clause_copyprivate,
1833         c_parser_omp_clause_default,
1834         c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
1835         c_parser_omp_clause_lastprivate,
1836         c_parser_omp_clause_nowait,
1837         c_parser_omp_clause_num_threads,
1838         c_parser_omp_clause_ordered, c_parser_omp_clause_private,
1839         c_parser_omp_clause_reduction,
1840         c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
1841         c_parser_omp_all_clauses, c_parser_omp_structured_block,
1842         c_parser_omp_atomic, c_parser_omp_barrier,
1843         c_parser_omp_critical, c_parser_omp_flush,
1844         c_parser_omp_for_loop, c_parser_omp_for,
1845         c_parser_omp_master, c_parser_omp_ordered,
1846         c_parser_omp_sections_scope, c_parser_omp_sections,
1847         c_parser_omp_parallel, c_parser_omp_single,
1848         c_parser_omp_construct, c_parser_omp_threadprivate): New.
1849         * c-pragma.c (init_pragma): Do omp pragma registration here.
1850         * c.opt (fopenmp): New flag.
1851
1852 2006-01-18  Eric Christopher  <echristo@apple.com>
1853
1854         * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
1855         * config/darwin.h (GOMP_SELF_SPECS): Define.
1856
1857 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
1858
1859         * rtl.h: Remove the prototype for reg_alloc.
1860
1861 2006-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1862
1863         PR target/25731
1864         * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
1865         hppa[12]*-*-hpux11*): Override default shared libgcc version for both
1866         sjlj and dwarf2 exception handling.
1867         * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
1868         Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
1869         * pa/pa.c (function_value): Treat complex and vector types as
1870         aggregates.
1871         (function_arg): Likewise.  Only pass scalar floats in the floating
1872         point argument registers.
1873         * pa/t-slibgcc-dwarf-ver: New file.
1874         * pa/t-slibgcc-sjlj-ver: New file.
1875         * pa/t-slibgcc-elf-ver: Delete file.
1876
1877 2006-01-19  Alan Modra  <amodra@bigpond.net.au>
1878
1879         * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
1880         unlikely_test_section_p test.
1881
1882 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
1883
1884         * mode-switching.c (optimize_mode_switching): Make it static.
1885         * basic-block.h: Remove the prototype for
1886         optimize_mode_switching.
1887
1888         * modulo-sched.c (sms_schedule): Make it static.
1889         * rtl.h: Remove the prototype for sms_schedule.
1890
1891         * postreload-gcse.c (gcse_after_reload_main): Make it static.
1892         * rtl.h: Remove the prototype for gcse_after_reload_main.
1893
1894         * reg-stack.c (reg_to_stack): Make it static.
1895         * rtl.h: Remove the prototype for reg_to_stack.
1896
1897         * regrename.c (regrename_optimize, copyprop_hardreg_forward):
1898         Make them static.
1899         * rtl.h: Remove the prototypes for regrename_optimize and
1900         copyprop_hardreg_forward.
1901
1902 2006-01-18  Eric Botcazou  <ebotcazou@adacore.com>
1903
1904         * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
1905         alpha_split_tmode_pair.  Add 'mode' and 'fixup_overlap' arguments.
1906         Test against the appropriate null constant for the mode.
1907         If 'fixup_overlap' is true, swap the operands if they overlap.
1908         (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
1909         * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
1910         alpha_split_tmode_pair and adjust for above change.
1911         * config/alpha/alpha.md (movtf_internal): Adjust call to
1912         alpha_split_tfmode_pair and rely on it to swap the operands.
1913         (movti_internal): New insn and post-reload splitter.
1914         (movti): New expander.
1915
1916 2006-01-18  Philippe De Muyter  <phdm@macqel.be>
1917
1918         * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
1919         operands.
1920
1921 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
1922
1923         * rtlanal.c (global_reg_mentioned_p_1,
1924         global_reg_mentioned_p): Remove.
1925         * rtl.h: Remove the prototype for global_reg_mentioned_p.
1926
1927         * flow.c (initialize_uninitialized_subregs): Make it static.
1928         * rtl.h: Remove the prototype for
1929         initialize_uninitialized_subregs.
1930
1931         * function.c (instantiate_virtual_regs): Make it static.
1932         * function.h: Remove the prototype for
1933         instantiate_virtual_regs.
1934
1935         * regmove.c (regmove_optimize, combine_stack_adjustments):
1936         Make them static.
1937         * rtl.h: Remove the prototypes for regmove_optimize and
1938         combine_stack_adjustments.
1939
1940 2006-01-17  Roger Sayle  <roger@eyesopen.com>
1941
1942         * config/i386/i386.c (COSTS_N_BYTES): New macro.
1943         (size_cost): Encode costs in bytes so that a reg-reg addition is
1944         equivalent to COSTS_N_INSNS(1).
1945         (override_options): Use the size_cost.branch_cost as the default
1946         ix86_branch_cost when optimizing for size.
1947
1948 2006-01-18  Ben Elliston  <bje@au.ibm.com>
1949
1950         * Makefile.in (D32PBIT_FUNCS): New.
1951         (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
1952         (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
1953         D64PBIT_FUNCS and D128PBIT_FUNCS.
1954         (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
1955         * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
1956         D128PBIT are set.
1957         (decnumber_dep): Define.
1958         * doc/libgcc.texi (Decimal float library routines): New node.
1959         * config/dfp-bit.h, config/dfp-bit.c: New files.
1960
1961 2006-01-18  Ben Elliston  <bje@au.ibm.com>
1962
1963         * expr.c (emit_move_change_mode): Always adjust addresses, not
1964         just during reload.  Copy replacements only during reload.
1965         (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
1966         emit_move_via_integer.
1967
1968 2006-01-17  Shantonu Sen  <ssen@opendarwin.org>
1969
1970         * Makefile.in (check-%, check-consistency): Use $${srcdir}
1971         instead of $(srcdir) and ${srcdir}.
1972
1973 2006-01-17  Richard Earnshaw  <rearnsha@arm.com>
1974
1975         PR target/592
1976         PR middle-end/11135
1977         * arm.h (struct machine_function): Add pic_reg.
1978         * arm.c (arm_pic_register): Make unsigned.
1979         (arm_override_options): Only set arm_pic_register if
1980         TARGET_SINGLE_PIC_BASE.
1981         (use_return_insn): Only test for a pic register if it is fixed.
1982         (arm_compute_save_reg0_reg12_mask): Likewise.
1983         (thumb_compute_save_reg_mask): Likewise.
1984         (legitimate_pic_operand): Factor out some known invariants.
1985         (legitimize_pic_address): If we don't have a fixed pic register,
1986         then set up a pseudo in the function entry sequence.  Handle the
1987         pic base being in a pseudo.
1988         (arm_load_pic_register): Handle the pic register being in a pseudo.
1989         (arm_expand_prologue): Only set up the pic register if it is fixed.
1990         (thumb_expand_prologue): Likewise.
1991         * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
1992         (pic_load_addr_based_insn): Likewise.
1993         (builtin_setjmp_receiver): Don't restore the pic base if it isn't
1994         fixed.
1995
1996 2006-01-18  Ben Elliston  <bje@au.ibm.com>
1997
1998         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
1999         decimal float modes for all floating point registers.
2000
2001         * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
2002         match_code "mem" with match_test "macho_lo_sum_memory_operand".
2003
2004 2006-01-17  Jakub Jelinek  <jakub@redhat.com>
2005
2006         PR c/25682
2007         * c-typeck.c (build_unary_op): Fold offsetof-like expressions
2008         even when the pointer is not NULL.
2009
2010 2006-01-16  Ian Lance Taylor  <ian@airs.com>
2011
2012         * common.opt (ftoplevel-reorder): New option.
2013         * cgraph.c (cgraph_asm_nodes): New global variable.
2014         (cgraph_asm_last_node): New static variable.
2015         (cgraph_order): New global variable.
2016         (cgraph_create_node): Set new order field.
2017         (cgraph_varpool_node): Likewise.
2018         (decide_is_variable_needed): Return true if not
2019         flag_toplevel_reorder.
2020         (cgraph_add_asm_node): New function.
2021         * cgraph.h (struct cgraph_node): Add order field.
2022         (struct cgraph_varpool_node): Add order field.
2023         (struct cgraph_asm_node): Define.
2024         (cgraph_asm_nodes, cgraph_order): Declare.
2025         (cgraph_add_asm_node): Declare.
2026         * cgraphunit.c (cgraph_varpool_assemble_decl): New static
2027         function.
2028         (cgraph_varpool_assemble_pending_decls): Call it.
2029         (cgraph_output_pending_asms): New static function.
2030         (cgraph_finalize_compilation_unit): Call it.
2031         (struct cgraph_order_sort): Define.
2032         (cgraph_output_in_order): New static function.
2033         (cgraph_optimize): Call cgraph_output_pending_asms.  Add code for
2034         !flag_toplevel_reorder case.
2035         * c-parser.c: Include "cgraph.h".
2036         (c_parser_asm_definition): Call cgraph_add_asm_node rather than
2037         assemble_asm.
2038         * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
2039         than -fno-unit-at-a-time.
2040         * doc/invoke.texi (Option Summary): Mention
2041         -fno-toplevel-reorder.
2042         (Optimize Options): Document -fno-toplevel-reorder.  Mention it in
2043         -funit-at-a-time documentation.
2044
2045 2006-01-17  Hans-Peter Nilsson  <hp@axis.com>
2046             Kazu Hirata  <kazu@codesourcery.com>
2047
2048         * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
2049
2050 2006-01-17  Kazu Hirata  <kazu@codesourcery.com>
2051
2052         * Makefile.in (FUNCTION_H): New.  Use it instead of
2053         function.h throughout the file.
2054         * function.h: Include tree.h.
2055
2056 2006-01-17  Ben Elliston  <bje@au.ibm.com>
2057
2058         * recog.c: Separate some functions with whitespace.
2059
2060 2006-01-16  Richard Henderson  <rth@redhat.com>
2061
2062         Merge from gomp branch:
2063         * Makefile.in (TREE_INLINE_H): New.  Use it as needed.
2064         * tree-inline.h (struct copy_body_data): Move from tree-inline.c
2065         and rename from struct inline_data.  Rename callee* to dst*;
2066         caller* to src*; add copy_decl hook, transform_call_graph_edges,
2067         transform_new_cfg, transform_return_to_modify, and
2068         transform_lang_insert_block flags; remove cloning_p, versioning_p,
2069         update_clones_p.
2070         (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
2071         (copy_decl_for_dup): Remove.
2072         * tree-inline.c (struct inline_data): Move to header.
2073         (insert_decl_map): Export.
2074         (remap_decl): Update for member name changes.  Use copy_decl hook.
2075         Allow for replacement to be a non-decl.  Remove dead code.
2076         (remap_type_1): Check for existing mapping.
2077         (remap_type): Export.
2078         (remap_decls): Update for member name changes.
2079         (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
2080         (copy_body, setup_one_parameter, declare_return_variable): Likewise.
2081         (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
2082         (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
2083         (tree_function_versioning, build_duplicate_type): Likewise.
2084         (copy_body_r): Likewise.  Export.
2085         (copy_decl_for_dup): Split into ...
2086         (copy_decl_for_dup_finish, copy_decl_to_var,
2087         copy_decl_no_change, copy_decl_maybe_to_var): ... these.
2088         (replace_ref_tree, inlining_p): Remove.
2089
2090 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
2091
2092         * ifcvt.c (if_convert): Make it static.
2093         * rtl.h: Remove the prototype for if_convert.
2094
2095         * local-alloc.c (local_alloc): Make it static.
2096         * rtl.h: Remove the prototype for local_alloc.
2097
2098         * loop.c (loop_optimize): Make it static.
2099         * cfgloop.h: Remove the prototype for loop_optimize.
2100         * rtl.h: Likewise.
2101
2102 2006-01-16  DJ Delorie  <dj@redhat.com>
2103
2104         * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
2105         mems.
2106
2107 2006-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2108
2109         * pa.md: Disparage copies between general and floating-point registers
2110         in 32-bit move patterns.
2111
2112 2006-01-16  H.J. Lu  <hongjiu.lu@intel.com>
2113
2114         PR testsuite/25741
2115         * Makefile.in (check-%): Depend on site.exp instead of
2116         $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
2117         directories.
2118
2119 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
2120
2121         * global.c (global_alloc): Make it static.
2122         * rtl.h: Remove the prototype for global_alloc.
2123
2124 2006-01-16  Richard Guenther  <rguenther@suse.de>
2125
2126         * tree-ssa-alias.c (struct used_part): Add write_only field.
2127         (get_or_create_used_part_for): Initialize it to true.
2128         (create_overlap_variables_for): Don't create structure variables
2129         for structures that only are written to.
2130         (find_used_portions): Handle MODIFY_EXPR to track whether a
2131         structure is only written to.
2132
2133 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
2134
2135         * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
2136         static.
2137         * basic-block.h: Remove the prototype for
2138         partition_hot_cold_basic_blocks.
2139
2140 2006-01-16  Rafael Ãƒvila de Espíndola <rafael.espindola@gmail.com>
2141
2142         * cppspec.c (lang_specific_spec_functions): Remove.
2143         * gcc.c (lookup_spec_function): Use static_spec_functions directly.
2144         * gcc.h (lang_specific_spec_functions): Remove.
2145         * gccspec.c (lang_specific_spec_functions): Remove.
2146
2147 2006-01-16  Paolo Bonzini  <bonzini@gnu.org>
2148
2149         * combine.c (record_value_for_reg): Invalidate registers
2150         if INSN is null.
2151         (record_dead_and_set_regs_1): Likewise, by passing them to
2152         record_value_for_reg.
2153         (record_dead_and_set_regs): Invalidate stores made by a
2154         call.  We do not combine across a call, but we still
2155         relied on equivalences.
2156
2157 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
2158
2159         * tree-vrp.c (extract_range_from_binary_expr): Cope with
2160         vrp_int_const_binop returning non-constant nodes.
2161
2162 2006-01-16  Paul Brook  <paul@codesourcery.com>
2163
2164         * config/m68k/m68k.c (output_move_const_into_data_reg):
2165         Output correct mnemonic for mvz and mvs.
2166
2167 2006-01-16  Gabor Loki  <loki@gcc.gnu.org>
2168
2169         * rtl-factoring.c: Add sequence abstraction algorithm.
2170         * cfgcleanup.c (outgoing_edges_match): Extra checks.
2171         (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
2172         ABNORMAL edges.
2173         (block_has_preserve_label): New function.
2174         * common.opt: Register new pass.
2175         * Makefile.in: Ditto.
2176         * passes.c: Ditto.
2177         * timevar.def: Ditto.
2178         * tree-pass.h: Ditto.
2179         * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
2180         * rtl.h (make_jump_insn_raw): Add forward decl.
2181         * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
2182
2183 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
2184             Roger Sayle  <roger@eyesopen.com>
2185
2186         * fold-const.c (fold_minmax): New static function.
2187         (fold_binary) <MIN_EXPR>: Call it.
2188         <MAX_EXPR>: Likewise.
2189         * stor-layout.c (place_field): Use DECL_SIZE consistently
2190         in the computation of the new record size.
2191
2192 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
2193
2194         * cse.c (cse_condition_code_reg): Make it static.
2195         * rtl.h: Remove the prototype for cse_condition_code_reg.
2196
2197         * combine.c (combine_instructions): Make it static.
2198         * rtl.h: Remove the prototype for combine_instructions.
2199
2200 2006-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2201
2202         PR target/25168
2203         * tree.c (get_file_function_name_long): Concatenate the first global
2204         object name with a string derived from the input filename of the object
2205         for type "F".
2206
2207 2006-01-16  Ben Elliston  <bje@au.ibm.com>
2208
2209         * config/i386/winnt-stubs.c: Update FSF address.
2210         * config/xtensa/ieee754-df.S: Ditto.
2211         * config/xtensa/ieee754-sf.S: Ditto.
2212
2213 2006-01-14  Ian Lance Taylor  <ian@airs.com>
2214
2215         * ifcvt.c (noce_init_if_info): New static function, broken out of
2216         noce_process_if_block.
2217         (noce_process_if_block): Call noce_init_if_info.
2218         (check_cond_move_block): New static function.
2219         (cond_move_process_if_block): New static function.
2220         (process_if_block): Call cond_move_process_if_block.
2221
2222 2006-01-15  Kazu Hirata  <kazu@codesourcery.com>
2223
2224         * cselib.c (hash_table): Rename to cselib_hash_table.
2225         (cselib_clear_table, discard_useless_values,
2226         remove_useless_values, cselib_lookup_mem, cselib_lookup,
2227         cselib_init, cselib_finish): Adjust uses of hash_table.
2228
2229 2006-01-14  Kazu Hirata  <kazu@codesourcery.com>
2230
2231         PR tree-optimization/25485
2232         * tree-vrp.c (extract_range_from_binary_expr): Handle cases
2233         where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
2234         is known to be false and true, respectively.
2235
2236 2006-01-14  Richard Guenther  <rguenther@suse.de>
2237
2238         PR tree-optimization/22548
2239         PR tree-optimization/22555
2240         PR tree-optimization/22501
2241         * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
2242         * params.def (salias-max-array-elements): New parameter.
2243         * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
2244         * doc/invoke.texi (salias-max-array-elements): Document.
2245         * tree-flow-inline.h (var_can_have_subvars): We also handle
2246         arrays now.
2247         * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
2248         COMPONENT_REF.
2249         * tree-ssa-structalias.c (params.h): Include.
2250         (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
2251         (find_func_aliases): Handle multiple constraints from ARRAY_REF.
2252         (get_constraint_for): For ADDR_EXPR operating on something
2253         containing an ARRAY_REF, add all subvars to the solution.
2254         (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
2255         * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
2256         for creating MUST_DEFs.
2257         (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
2258
2259 2006-01-14  Zdenek Dvorak <dvorakz@suse.cz>
2260
2261         * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
2262         functions.
2263         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2264         assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2265         number_of_iterations_le): New functions.
2266         (number_of_iterations_special): Removed.
2267         (number_of_iterations_exit): Do not use number_of_iterations_special.
2268         * tree.c (unsigned_type_for): Always return integer type.
2269
2270 2006-01-14  Steven Bosscher  <stevenb.gcc@gmail.com>
2271         Richard Guenther  <rguenther@suse.de>
2272
2273         PR rtl-optimization/24257
2274         * gcse.c (find_moveable_store): Only consider a store movable
2275         when the SET_SRC of the insn can be assigned to a register.
2276
2277 2006-01-14  Ian Lance Taylor  <ian@airs.com>
2278
2279         * tree.c (tree_not_class_check_failed): New function.
2280         * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
2281         (tree_not_class_check_failed): Declare.
2282
2283 2006-01-13  Ian Lance Taylor  <ian@airs.com>
2284
2285         * reload1.c (do_output_reload): Add assertion rejecting a
2286         CALL_INSN.
2287
2288 2006-01-13  Adam Nemet  <anemet@caviumnetworks.com>
2289
2290         * combine.c (struct reg_stat): Add new fields truncation_label and
2291         truncated_to_mode.
2292         (record_value_for_reg): Reset truncated_to_mode.
2293         (record_truncated_value): New function.
2294         (check_promoted_subreg): Call it.  Rename to check_conversions.
2295         (combine_instructions): Rename check_promoted_subreg to
2296         check_conversions.
2297         (reg_truncated_to_mode): New function.
2298         (make_extraction): Use it.  Check TRULY_NOOP_TRUNCATION.
2299         (gen_lowpart_or_truncate): New function.
2300         (force_to_mode): Use it instead of gen_lowpart.
2301
2302 2006-01-13  Diego Novillo  <dnovillo@redhat.com>
2303
2304         * tree-ssa-alias.c (add_type_alias): Fix typo.  Test whether
2305         VAR is a tag, not its type tag.
2306
2307 2006-01-13  Alexandre Oliva  <aoliva@redhat.com>
2308
2309         * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
2310         alternatives to match style of other entries.
2311         (*vec_extractv2di_1_sse): Likewise.  Fix mode attr.
2312
2313 2006-01-13  Daniel Berlin  <dberlin@dberlin.org>
2314
2315         PR tree-optimization/25771
2316         * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
2317         SSA_NAMES.
2318
2319 2006-01-13  Andrew Pinski  <pinskia@physics.uc.edu>
2320
2321         PR tree-opt/24365
2322         * tree-inline.c (declare_return_variable): If the return variable
2323         was marked as a non gimple complex, set the return slot variable
2324         to be a non gimple comple variable.
2325
2326 2006-01-13  Richard Guenther  <rguenther@suse.de>
2327
2328         * builtins.c (expand_builtin_sincos): New function.
2329         (expand_builtin_mathfn_3): Remove dead code, sin and cos
2330         do not set errno.
2331         (expand_builtin): Expand sincos using expand_builtin_sincos.
2332
2333 2006-01-12  DJ Delorie  <dj@redhat.com>
2334
2335         * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
2336         shift counts, separate SI shifts for m32c vs m16c, pass shift type
2337         so that constant shifts can be split.
2338         * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
2339         (m32c_valid_pointer_mode): Make static.
2340         (shift_gen_func_for): New.
2341         (m32c_prepare_shift): Use it.  Split large const shifts into
2342         multiple shifts.
2343         * config/m32c/predicates.md (shiftcount_operand): Allow more
2344         general operands.
2345         (longshiftcount_operand): New.
2346         * doc/md.texi (Machine Constraints): Document In6.
2347
2348 2006-01-13  Ben Elliston  <bje@au.ibm.com>
2349
2350         * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
2351         REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
2352         documentation.
2353
2354 2006-01-12  Daniel Berlin  <dberlin@dberlin.org>
2355
2356         * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
2357         to try to avoid clobbering pieces of structures when we know
2358         something about the whole structure.
2359         * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
2360
2361 2006-01-13  Ben Elliston  <bje@au.ibm.com>
2362
2363         * doc/rtl.texi (Insns): Remove statement that libcalls cannot
2364         return in memory, as this is no limitation is no longer present.
2365
2366 2006-01-12  DJ Delorie  <dj@redhat.com>
2367
2368         * config/m32c/addsub.md (addhi3): Add two more alternatives, for
2369         mova with fb, and for fb+0 -> An.
2370
2371         * config/m32c/mov.md (peephole2): Fix enabling logic.
2372
2373         * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2374         DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
2375         DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
2376         FINI_ARRAY_SECTION_ASM_OP): Define.
2377
2378         * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
2379         variable.
2380         (m32c_legitimize_reload_address): New logic to reload FB to An.
2381         (m32c_output_reg_push): Add newline.
2382         (m32c_output_reg_pop): Likewise.
2383
2384 2006-01-12  Ulrich Weigand  <uweigand@de.ibm.com>
2385
2386         * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
2387
2388 2006-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
2389
2390         * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2391
2392 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
2393
2394         * config/sh/predicates.md (sh_rep_vec): Add parallel to
2395         match_code.
2396
2397 2006-01-11  Ben Elliston  <bje@au.ibm.com>
2398
2399         * rtlanal.c (find_reg_note): Assert insn is not null.
2400
2401 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
2402
2403         * df-scan.c (df_hard_reg_init): Move declaration of i outside
2404         ifdef.
2405
2406 2006-01-11  Jeff Law  <law@redhat.com>
2407
2408         * tree-ssa-threadupdate.c (threaded_edges): New VEC to
2409         hold edge pairs.
2410         (mark_threaded_blocks, register_jump_thread): New functions.
2411         (thread_through_all_blocks): Remove unwanted argument.  No
2412         longer rely on e->aux to communicate thread target info.
2413         Call mark_threaded_blocks.  Release the threaded_blocks
2414         bitmap and threaded_edges vector when complete.
2415         * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
2416         (threaded_blocks): Remove.
2417         (tree_ssa_dominator_optimize): Remove initialization and
2418         finalization of threaded_blocks.  Simplify call to
2419         thread_through_all_blocks.
2420         (thread_across_edge): Call register_jump_thread rather than
2421         storing thread information into e->aux.
2422         (free_all_edge_infos): Simplify now that e->aux is no longer
2423         used to communicate with thread_through_all_blocks.
2424         * tree-flow.h (thread_through_all_blocks): Update prototype.
2425         (register_jump_thread): Prototype.
2426
2427 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
2428
2429         * df-core.c (df_compact_blocks, df_bb_replace): Use
2430         SET_BASIC_BLOCK instead of BASIC_BLOCK.
2431
2432 2006-01-11  Richard Guenther  <rguenther@suse.de>
2433
2434         PR tree-optimization/25734
2435         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2436         stop propagation after successful propagation to the LHS.
2437
2438 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
2439
2440         * basic-block.h (control_flow_graph): Change the type of
2441         x_basic_block_info to VEC(basic_block,gc) *.
2442         (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
2443         basic_block_info.
2444         (SET_BASIC_BLOCK): New.
2445         * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
2446         instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
2447         * cfgbuild.c (find_basic_blocks): Likewise.
2448         * cfglayout.c (fixup_reorder_chain): Likewise.
2449         * cfgrtl.c (create_basic_block_structure,
2450         rtl_create_basic_block): Likewise.
2451         * ifcvt.c (find_if_case_1): Likewise.
2452         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
2453         Likewise.
2454
2455 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
2456
2457         * Makefile.in: Removed rotted odf.c entry.
2458
2459 2006-01-11  Hans-Peter Nilsson  <hp@axis.com>
2460
2461         PR target/25706
2462         * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
2463         ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
2464         ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
2465         output pattern modifier, not %e.
2466         * config/cris/cris.c (cris_op_str): Update comment about pattern
2467         modifier.
2468         (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
2469         before falling through into...
2470         <case 'E'>: Redefined from old 'e' case.
2471
2472 2006-01-11  Jan Hubicka  <jh@suse.cz>
2473
2474         PR target/25042
2475         * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
2476
2477 2006-01-11  Jan Hubicka  <jh@suse.cz>
2478
2479         * i386.h (TARGET_DECOMPOSE_LEA): Kill.
2480         * i386.c (x86_decompose_lea): Kill.
2481         (ix86_rtx_costs): Kill.
2482
2483 2006-01-11  Jan Hubicka  <jh@suse.cz>
2484
2485         * cgraph.c (cgraph_insert_node_to_hashtable): New function.
2486         * cgraph.h (cgraph_node): Add inline_decl.
2487         (cgraph_insert_node_to_hashtable): Declare.
2488         (save_inline_function_body): Declare.
2489         * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
2490         clones.
2491         (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
2492         (cgraph_function_versioning): Update call of tree_function_versioning.
2493         (save_inline_function_body): New function.
2494         * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
2495         saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
2496         * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
2497         (cgraph_default_inline_p): Likewise.
2498         (cgraph_decide_inlining_incrementally): Likewise.
2499         * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
2500         (copy_bb): Kill saving; do updating of clones.
2501         (copy_cfg_body): Kill saving.
2502         (initialize_inlined-parameters): Likewise.
2503         (expand_call_inline): Likewise.
2504         (save_body): Kill.
2505         (tree_function_versioning): New parameter "update_clones".
2506         (inlining_p): Kill saving.
2507         * tree-inline.h (tree_function_versioning): Update prototype.
2508         * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
2509         saving.
2510
2511 2006-01-11  Ian Lance Taylor <ian@airs.com>
2512
2513         * combine.c (struct undo): Remove is_int.  Enumify types of undos.
2514         Allow undoing set of machine mode.
2515         (do_SUBST): Use enums instead of is_int.
2516         (do_SUBST_MODE): New function.
2517         (SUBST_MODE): New macro.
2518         (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
2519         reg and trying to replace reg_regno_rtx with a new register.
2520         (undo_all): Use new enums, handle undoing a PUT_MODE change.
2521         (simplify_set): Use SUBST_MODE.
2522         (distribute_notes): Remove code that tried to update reg notes
2523         for regno_reg_rtx changes.
2524
2525 2006-01-11  Paolo Bonzini  <bonzini@gnu.org>
2526
2527         PR tree-optimization/23109
2528         PR tree-optimization/23948
2529         PR tree-optimization/24123
2530
2531         * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
2532         * tree-cfg.c (single_noncomplex_succ): New.
2533         * tree-flow.h (single_noncomplex_succ): Declare it.
2534         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2535         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2536         (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
2537         insert_bb, register_division_in, insert_reciprocals,
2538         replace_reciprocal, free_bb): New.
2539         (execute_cse_reciprocals_1): Rewritten.
2540         (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
2541         Do not commit any edge insertion.  Always compute dominators and
2542         create the allocation pool.
2543         * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
2544         * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
2545         * targhooks.c (default_min_divistions_for_recip_mul): New.
2546         * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
2547         * passes.c (init_optimization_passes): Run recip after tree loop
2548         optimizations.
2549         * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
2550
2551 2006-01-11  Danny Berlin <dberlin@dberlin.org>
2552             Kenneth Zadeck <zadeck@naturalbridge.com>
2553
2554         * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
2555         DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
2556         DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
2557         DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
2558         DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
2559         DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
2560         DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
2561         DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
2562         DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
2563         DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
2564         DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
2565         DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
2566         DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
2567         DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
2568         DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
2569         DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
2570         DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
2571         DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
2572         DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
2573         DF_SCAN_POST_ALLOC): New macros.
2574         (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
2575         df_free_bb_function, df_local_compute_function, df_init_function,
2576         df_dataflow_function, df_confluence_function_0,
2577         df_confluence_function_n, df_transfer_function,
2578         df_finalizer_function, df_free_function, df_dump_problem_function,
2579         df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
2580         df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
2581         df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
2582         df_urec_bb_info, ) New types.
2583         (df_invalidated_by_call, df_all_hard_regs, df_state) New public
2584         variables.
2585         (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
2586         df_analyze_simple_change_some_blocks,
2587         df_analyze_simple_change_one_block, df_compact_blocks,
2588         df_bb_replace, df_bb_regno_last_use_find,
2589         df_bb_regno_first_def_find, df_bb_regno_last_def_find,
2590         df_insn_regno_def_p, df_find_def, df_find_use,
2591         df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
2592         df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
2593         df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
2594         debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
2595         debug_df_chain, df_get_dependent_problem, df_chain_create,
2596         df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
2597         df_grow_bb_info, df_chain_dump, df_print_bb_index,
2598         df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
2599         df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
2600         df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
2601         df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
2602         df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
2603         df_rescan_blocks, df_ref_create, df_get_artificial_defs,
2604         df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
2605         df_ref_remove, df_insn_refs_delete, df_refs_delete,
2606         df_reorganize_refs, df_set_state, df_hard_reg_init,
2607         df_read_modify_subreg_p) New public functions.
2608         * df-core.c: The core dataflow solver and glue routines for rtl
2609         dataflow.
2610         (df_init, df_add_problem, df_set_blocks, df_finish,
2611         df_hybrid_search_forward, df_hybrid_search_backward,
2612         df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
2613         df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
2614         df_bb_regno_last_use_find, df_bb_regno_first_def_find,
2615         df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
2616         df_reg_defined, df_find_use, df_reg_used, df_dump,
2617         df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
2618         df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
2619         debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
2620         debug_df_useno, reset_df_after_reload): New functions.
2621         * df-scan.c: The scanning fuctions, once in df.c, completely
2622         rewritten so that they now fully model the functionality of
2623         register usage at the backend.
2624         (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
2625         df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
2626         df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
2627         df_grow_insn_info, df_rescan_blocks, df_ref_create,
2628         df_get_artificial_defs, df_get_artificial_uses,
2629         df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
2630         df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
2631         df_refs_delete, df_reorganize_refs, df_set_state,
2632         df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
2633         df_def_record_1, df_defs_record, df_uses_record,
2634         df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
2635         df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
2636         df_record_exit_block_uses, df_hard_reg_init): New functions.
2637
2638         * df-problems.c: Seven concrete dataflow problems that use the
2639         scanning in df-scan.c and are solved by the engine in df-core.c.
2640         (df_get_dependent_problem, df_chain_create, df_chain_unlink,
2641         df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
2642         df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
2643         df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
2644         df_ru_free_bb_info, df_ru_alloc,
2645         df_ru_bb_local_compute_process_def,
2646         df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
2647         df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
2648         df_ru_transfer_function, df_ru_free, df_ru_dump,
2649         df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
2650         df_rd_free_bb_info, df_rd_alloc,
2651         df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
2652         df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
2653         df_rd_transfer_function, df_rd_free, df_rd_dump,
2654         df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
2655         df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
2656         df_lr_local_compute, df_lr_init, df_lr_confluence_0,
2657         df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
2658         df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
2659         df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
2660         df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
2661         df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
2662         df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
2663         df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
2664         df_urec_mark_reg_change, df_urec_check_earlyclobber,
2665         df_urec_mark_reg_use_for_earlyclobber,
2666         df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
2667         df_urec_local_compute, df_urec_init, df_urec_local_finalize,
2668         df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
2669         df_urec_dump, df_urec_add_problem, df_chain_alloc,
2670         df_chain_create_bb_process_use, df_chain_create_bb,
2671         df_chain_finalize, df_chain_free, df_chains_dump,
2672         df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
2673         df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
2674         df_reg_lifetime): New functions.
2675         * df.c: Deleted file.
2676         * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
2677         consistent with new df api.
2678         * modulo-sched.c (sms_schedule, rest_of_handle_sms,
2679         rest_of_handle_sms): Ditto.
2680         * web.c (unionfind_union, union_defs, entry_register, web_main):
2681         Ditto.
2682         * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
2683         invariant_expr_equal_p, find_defs, check_dependencies,
2684         find_invariant_insn, find_invariants_to_move, move_invariant_reg,
2685         free_inv_motion_data, move_loop_invariants): Ditto.
2686         * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
2687         Update dependencies.
2688         (odf.c): Added defective entry that was deleted later in day.
2689         * sched-deps.c (sched_analyze_1): Ditto.
2690
2691 2006-01-11  Zdenek Dvorak <dvorakz@suse.cz>
2692
2693         * tree-ssa-operands.c (get_expr_operands): Record addressable
2694         variables directly.  Do not call add_stmt_operands for CONST_DECLs
2695         and ARRAY_DECLs.
2696         (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
2697         (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
2698
2699 2006-01-11  Ben Elliston  <bje@au.ibm.com>
2700
2701         * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
2702         function returns true in the positive case.
2703
2704 2006-01-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2705
2706         PR target/20754
2707         * config/pa/pa.md: Create separate 32 and 64-bit move patterns
2708         for SI, DI, SF and DF modes.  Add alternatives to copy between
2709         general and floating point registers to the 32-bit patterns.
2710         * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
2711         * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
2712         (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
2713         generating 64-bit code.
2714         * config/pa/pa.c (output_move_double): Handle copies between general
2715         and floating registers.
2716
2717 2006-01-10  Stuart Hastings  <stuart@apple.com>
2718
2719         * config/i386/i386.md (set_got): Update.
2720         (set_got_labelled): New.  (UNSPEC_LD_MPIC): New.
2721         (builtin_setjmp_receiver): Mach-O support.
2722         * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
2723         (GOT_SYMBOL_NAME): Define.
2724         (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
2725         (TARGET_DEEP_BRANCH_PREDICTION): Remove.
2726         * config/i386/i386.c (override_options): Revise for Darwin.
2727         (USE_HIDDEN_LINKONCE): Enable for Mach-O.  (ix86_file_end): Mach-O
2728         support.  (darwin_x86_file_end): New.  (output_set_got): Add label
2729         parameter, revise for Mach-O.  (x86_output_mi_thunk): Likewise.
2730         * config/i386/i386-protos.h (output_set_got): Likewise.
2731         * config/darwin.c (machopic_legitimize_pic_address): Update
2732         regs_ever_live[].
2733
2734 2006-01-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2735
2736         * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
2737         when MODE isn't BLKmode.
2738
2739 2006-01-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
2740
2741         PR rtl-optimization/25367
2742         * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
2743
2744 2006-01-10  Hans-Peter Nilsson  <hp@axis.com>
2745
2746         PR target/25718
2747         * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
2748         for a negative bound.
2749
2750 2006-01-10  Richard Guenther  <rguenther@suse.de>
2751
2752         * tree-ssa-structalias.c (get_constraint_for_component_ref):
2753         Never override with anything constraint.
2754
2755 2006-01-10  Jan Beulich  <jbeulich@novell.com>
2756
2757         * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
2758         256 bits when optimize_size.
2759
2760 2006-01-10  Jan Beulich  <jbeulich@novell.com>
2761
2762         * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
2763         MASK_ALIGN_DOUBLE.
2764         * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
2765         * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
2766         arguments.
2767
2768 2006-01-10  Ben Elliston  <bje@au.ibm.com>
2769
2770         * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
2771         float modes.
2772         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
2773         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2774         (USE_FP_FOR_ARG): Reject decimal float modes.
2775         (function_arg_advance): Likewise.
2776         (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
2777         (rs6000_handle_altivec_attribute): Do not permit decimal floating
2778         point types in AltiVec vectors.
2779         (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
2780         (rs6000_libcall_value): Likewise.
2781
2782 2006-01-09  Bob Wilson  <bob.wilson@acm.org>
2783
2784         * config/xtensa/ieee754-df.S: New file.
2785         * config/xtensa/ieee754-sf.S: New file.
2786         * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
2787         (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
2788         * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
2789
2790 2006-01-09  Kazu Hirata  <kazu@codesourcery.com>
2791
2792         * config/sh/predicates.md (binary_float_operator,
2793         binary_logical_operator, commutative_float_operator,
2794         equality_comparison_operator, greater_comparison_operator,
2795         less_comparison_operator, logical_operator,
2796         noncommutative_float_operator, shift_operator,
2797         symbol_ref_operand, unary_float_operator): Remove redundant
2798         conditionals.
2799
2800 2006-01-09  Jeff Law  <law@redhat.com>
2801
2802         * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
2803         code to propagate the RHS of a cast into COND_EXPR_COND.  Remove
2804         now unused arguments.  Callers updated.
2805         (eliminate_redundant_computations): Remove now unused arguments,
2806         callers updated.
2807         (local_fold): Remove, no longer used.
2808         (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
2809         and moved to...
2810         * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
2811         (simplify_cond): New function.
2812         (forward_propagate_into_cond): Call simplify_cond.
2813
2814 2006-01-09  Alexandre Oliva  <aoliva@redhat.com>
2815
2816         * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
2817         (*vec_extractv2di_1_sse): New.
2818
2819 2006-01-09  Ben Elliston  <bje@au.ibm.com>
2820
2821         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
2822
2823 2006-01-08  Richard Guenther  <rguenther@suse.de>
2824
2825         * tree-ssa-structalias.c (get_constraint_for): Remove
2826         anyoffset argument.
2827         (get_constraint_for_component_ref): Likewise.
2828         (do_deref): Likewise.
2829         (get_constraint_for): Likewise.
2830         (do_structure_copy): Likewise.
2831         (handle_ptr_arith): Likewise.
2832         (find_func_aliases): Likewise.  Remove unused need_anyoffset
2833         variable.
2834
2835 2006-01-08  J"orn Rennecke  <joern.rennecke@st.com>
2836             Kaz Kojima  <kkojima@gcc.gnu.org>
2837
2838         * config/sh/sh.h (CONST_OK_FOR_K16): Define.
2839         (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
2840         (EXTRA_CONSTRAINT_C16): Remove.
2841         (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
2842         (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
2843         EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
2844         * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
2845         constants of SHmedia.  Handle nested constant expressions of
2846         SHmedia correctly.
2847         (andcosts): Fix the costs for SHmedia constants.
2848         (sh_rtx_costs): Take account of outer_code for SHmedia constants.
2849         * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
2850         (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
2851         (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
2852         (movv4hi_i, movv2si_i): Likewise.
2853         (movsi_const): Adjust the second operand of ior so to match with
2854         the Csu constraint.
2855         (movdi_const, movdi_const_32bit): Likewise.
2856         (movdi_const_16bit+1): Don't sign-extend LOW.
2857         (movdi_const_16bit+2): Likewise.  Remove the zero_extend and truncate
2858         step.
2859         (*double_shori): Fix the split condition.  Use GEN_INT instead
2860         of get_int_mode calls.  Mask lower 16-bit of the argument of
2861         the last GEN_INT.
2862         (sym2GOTPLT): Remove.
2863         (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
2864         gen_rtx_UNSPEC.
2865         * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
2866         instead of EXTRA_CONSTRAINT_C16.
2867
2868 2006-01-07  Ian Lance Taylor  <ian@airs.com>
2869             David Edelsohn  <edelsohn@gnu.org>
2870
2871         PR rtl-optimization/25662
2872         * optabs.c (simplify_expand_binop): Use simplify_binary_operation
2873         for constant operands instead of simplify_gen_binary.
2874         * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
2875         after trying simplify_binary_operation
2876
2877 2006-01-06  Daniel Berlin  <dberlin@dberlin.org>
2878
2879         * tree.c (iterative_hash_expr): Hash decls based on UID.
2880
2881 2006-01-06  Eric Christopher  <echristo@apple.com>
2882
2883         * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
2884         (TARGET_UNWIND_EMIT): Fix spelling.
2885         * target.h (gcc_target): Add except_table_label.
2886         * except.c (output_function_exception_table): Use.
2887         * varasm.c (default_emit_except_table_label): New.
2888         * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
2889         define.
2890         (asm_out): Add here.
2891         * output.h (default_emit_except_table_label): Prototype.
2892         * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
2893         * config/darwin.c (darwin_emit_except_table_label): Define.
2894         * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
2895
2896 2006-01-06  Zdenek Dvorak <dvorakz@suse.cz>
2897
2898         PR tree-optimization/18527
2899         * tree-ssa-loop-niter.c (number_of_iterations_cond,
2900         number_of_iterations_special, number_of_iterations_exit):
2901         Move base and step of an iv to a single structure.  Add
2902         no_overflow flag, and use it in # of iterations analysis.
2903         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
2904         folded_casts argument.
2905         (simple_iv): Pass base and step in a structure.  Set no_overflow
2906         flag.
2907         (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
2908         Evaluate expensiveness of computing # of iterations instead of
2909         the final expression.
2910         * tree-scalar-evolution.h (affine_iv): New structure.
2911         (simple_iv): Declaration changed.
2912         * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
2913         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
2914         find_givs_in_stmt): Changed due to simple_iv change.
2915
2916 2006-01-06  Jeff Law  <law@redhat.com>
2917
2918         PR ada/24994
2919         * tree-cfg.c (bsi_replace): Rename final argument from
2920         PRESERVE_EH_INFO to UPDATE_EH_INFO.  Fix typo in last
2921         change (stmt -> orig_stmt).
2922         * tree-eh.c (verify_eh_throw_stmt_node): New function.
2923         (bsi_remove): Add new argument.  Remove EH information
2924         if requested.
2925         (verify_eh_throw_table_statements): New function.
2926         (bsi_remove): Add new argument REMOVE_EH_INFO.  All callers
2927         updated.
2928         * tree-optimize.c (execute_free_cfg_annotations): Verify
2929         the EH throw statement table after removing annotations.
2930         * except.h (verify_eh_throw_table_statements): Prototype.
2931         * tree-flow.h (bsi_remove): Update prototype.
2932         * tree-vrp.c (remove_range_assertions): Add new argument to
2933         bsi_remove call.
2934         * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
2935         * tree-complex.c (expand_complex_div_wide): Likewise.
2936         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
2937         * tree-tailcall.c (eliminate_tailcall): Likewise.
2938         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
2939         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
2940         * tree-nrv.c (tree_nrv): Likewise.
2941         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
2942         * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
2943         (combine_blocks): Likewise.
2944         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
2945         * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
2946         (cleanup_control_flow): Likewise.
2947         (remove_forwarder_block): Likewise.
2948         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
2949         * tree-sra.c (sra_replace): Likewise.
2950         * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
2951         (forward_propagate_single_use_vars): Likewise.
2952         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
2953         * tree-inline.c (expand_call_inline): Likewise.
2954         * tree-vect-transform.c (vect_transform_loop): Likewise.
2955         * tree-outof-ssa.c (rewrite_trees): Likewise.
2956         * tree-cfg.c (make_goto_expr_edges): Likewise.
2957         (cleanup_dead_labels): Likewise.
2958         (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
2959         (bsi_move_before, bsi_move_after): Likewise.
2960         (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
2961         (tree_redirect_edge_and_branch, tree_split_block): Likewise.
2962
2963 2006-01-06  Andrew Pinski  <pinskia@physics.uc.edu>
2964
2965         PR tree-opt/25528
2966         * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
2967         and IMAGPART_EXPR.
2968         * tree-flow-inline.h (var_can_have_subvars): Handle complex types
2969         on non gimple variables.  Also add checks at the top for decls and
2970         mtags.
2971         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
2972         complex types.
2973         * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
2974         and IMAGPART_EXPR for creating MUST_DEFs.
2975         (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
2976         and NAME_MEMORY_TAG separately from the DECLs.
2977
2978 2006-01-06  Richard Guenther  <rguenther@suse.de>
2979
2980         * tree-dfa.c (mark_new_vars_to_rename): Create stmt
2981         annotation, if necessary.
2982         * tree-ssa-pre.c (create_expression_by_pieces): Remove
2983         redundant calls to update_stmt.
2984         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
2985         Likewise.
2986
2987 2006-01-05  Richard Henderson  <rth@redhat.com>
2988
2989         * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
2990
2991 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
2992
2993         * c-typeck.c: Update copyright date.
2994
2995 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
2996
2997         * c-typeck.c (build_c_cast): Always warn when casting
2998         from a pointer to an integer of different size, even if
2999         the node was constant.
3000
3001 2006-01-05  Richard Guenther  <rguenther@suse.de>
3002
3003         PR tree-optimization/22555
3004         * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
3005         if one structure field is an array.
3006         * tree-ssa-operands.c (get_expr_operands): Continue scanning
3007         operands even if we found a subvar, but ignore VOPs in this
3008         case.
3009         * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
3010         for renaming.
3011         * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
3012
3013 2006-01-05  Richard Earnshaw  <rearnsha@arm.com>
3014
3015         PR middle-end/24998
3016         * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
3017
3018 2006-01-05  Richard Guenther  <rguenther@suse.de>
3019             Diego Novillo  <dnovillo@redhat.com>
3020
3021         * tree-pass.h (TODO_remove_unused_locals): Define.
3022         * gimple-low.c (expand_var_p, remove_useless_vars,
3023         pass_remove_useless_vars): Remove.  Update all users.
3024         * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
3025         (remove_unused_locals): New function.
3026         * tree-flow.h (remove_unused_locals): Declare.
3027         * passes.c (execute_todo): Call remove_unused_locals if
3028         TODO_remove_unused_locals is set.
3029         * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
3030         * tree-ssa-dce.c (pass_dce): Likewise.
3031         * tree-outof-ssa.c (pass_del_ssa): Likewise.
3032
3033 2006-01-05  Richard Guenther  <rguenther@suse.de>
3034
3035         * tree-flow.h (struct fieldoff): Decompose field to
3036         type, size and decl.
3037         * tree-ssa-alias.c (create_sft): Take type as parameter.
3038         (create_overlap_variables_for): Store type, size and decl
3039         in the fieldoff structure.
3040         * tree-ssa-structalias.c (fieldoff_compare): Adjust users
3041         of struct fieldoff.
3042         (push_fields_onto_fieldstack): Likewise.
3043         (create_variable_info_for): Likewise.  Use offset for the
3044         SFT name if the decl is not available.
3045
3046 2006-01-04  Paul Brook  <paul@codesourcery.com>
3047
3048         * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
3049
3050 2006-01-04  Daniel Berlin  <dberlin@dberlin.org>
3051
3052         * lambda-code.c (can_put_in_inner_loop): Relax
3053         restrictions.
3054         (can_put_after_inner_loop): New function.
3055         (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
3056         (perfect_nestify): Change to make copies and modify uses.
3057
3058 2006-01-04  Richard Henderson  <rth@redhat.com>
3059
3060         Merge from gomp branch:
3061         * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
3062         via integer constant.
3063         (pragma_lex): Remove.
3064         * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
3065         rather than parsing it.
3066         * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
3067         handle_pragma_extern_prefix): Add %< %> quotes.
3068         (registered_pragmas): New.
3069         (c_register_pragma_1): New.
3070         (c_register_pragma): Use it.
3071         (c_register_pragma_with_expansion): Likewise.
3072         (c_invoke_pragma_handler): New.
3073         (init_pragma): Use cpp_register_deferred_pragma directly for
3074         pch_preprocess.
3075         * c-pragma.h (enum pragma_kind): New.
3076         (pragma_handler): New.
3077         (c_invoke_pragma_handler): Declare.
3078         * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
3079         CPP_PRAGMA_EOL.
3080         * c-common.h (c_common_pch_pragma): Update decl.
3081         * Makefile.in (c-parser.o): Update dependencies.
3082         (GTFILES): Add c-pragma.h.
3083         * c-parser.c (struct c_token): Add pragma_kind.
3084         (struct c_parser): Add in_pragma.
3085         (c_lex_one_token): Always initialize keyword and pragma_kind.
3086         Extract data for CPP_PRAGMA.
3087         (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
3088         (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
3089         Don't allow CPP_PRAGMA_EOL if in_pragma.
3090         (c_parser_consume_pragma): New.
3091         (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
3092         (c_parser_skip_to_end_of_parameter): Likewise.
3093         (c_parser_skip_to_end_of_block_or_statement): Likewise.
3094         (c_parser_skip_to_pragma_eol): New.
3095         (c_parser_external_declaration): Handle CPP_PRAGMA.
3096         (c_parser_compound_statement_nostart): Likewise.
3097         (c_parser_statement_after_labels): Likewise.
3098         (c_parser_pragma): New.
3099         (pragma_lex): Likewise.
3100         (c_parser_pragma_pch_preprocess): New.
3101         (c_parser_new): Merge into ...
3102         (c_parse_file): ... here.  Call c_parser_pragma_pch_preprocess.
3103
3104 2006-01-04  Jeff Law  <law@redhat.com>
3105
3106         PR ada/24994
3107         * tree-cfg.c (bsi_replace): Remove the original statement
3108         from the EH throw statement table.
3109
3110 2006-01-04  Jakub Jelinek  <jakub@redhat.com>
3111
3112         * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
3113         make the prototype extern "C" and add throw ().
3114
3115         PR target/25554
3116         * config/i386/i386.md (testqi_ext_3): Ensure len is positive
3117         and pos non-negative and pos + len <= 32.
3118         (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
3119         drop pos + len < HOST_BITS_PER_WIDE_INT test.
3120         (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
3121
3122         PR c/25559
3123         * c-common.c (handle_vector_size_attribute): Reject zero vector size
3124         as well as sizes not multiple of component size.
3125
3126         PR debug/25562
3127         * function.c (instantiate_expr): New function.
3128         (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
3129         walk its DECL_VALUE_EXPR with instantiate_expr.
3130
3131         * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
3132         DW_OP_deref{,_size} if address isn't going to be added.
3133
3134 2006-01-04  Ben Elliston  <bje@au.ibm.com>
3135
3136         * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
3137         * config/fp-bit.c: Likewise.
3138
3139 2006-01-03  Daniel Berlin  <dberlin@dberlin.org>
3140
3141         * dominance.c: Add comment about why we use DFS numbering
3142         of dominance tree.
3143
3144 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
3145             Richard Henderson  <rth@redhat.com>
3146
3147         Merge from gomp-branch:
3148         * varasm.c (assemble_variable): Handle thread-local COMMON data.
3149         * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
3150
3151 2006-01-03  Paolo Bonzini  <bonzini@gnu.org>
3152
3153         PR rtl-optimization/25578
3154         * combine.c (combine_simplify_rtx, force_to_mode): Don't
3155         pass a parameter to simplify_shift_const if changing ASHIFTRT
3156         to LSHIFTRT.
3157
3158 2006-01-03  Adrian Straetling  <straetling@de.ibm.com>
3159
3160         * builtins.c (get_builtin_sync_mem): New function.
3161         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
3162         expand_builtin_lock_test_and_set, expand_builtin_lock_release):
3163         Call get_builtin_sync_mem to generate mem rtx.
3164
3165 2006-01-03  Richard Guenther  <rguenther@suse.de>
3166
3167         PR c/25183
3168         * stmt.c (add_case_node): Make sure to clear overflow flags
3169         from ranges.
3170
3171 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
3172
3173         Merge from gomp-branch.
3174         * config/sparc/sync.md: New file.
3175         * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
3176         UNSPECV_LDSTUB): New constants.
3177         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
3178         * config/sparc/predicates.md (memory_reg_operand): New predicate.
3179         * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
3180         prototype.
3181
3182 2006-01-03  Roger Sayle  <roger@eyesopen.com>
3183
3184         * combine.c (reg_subword_p): New predicate to test whether the
3185         destination of a set refers to a subword/piece of a register.
3186         (try_combine): Generalize the code to merge the setting of a
3187         pseudo to a constant followed by a set of a subword of that
3188         register to a constant.
3189
3190 2006-01-03  Kazu Hirata  <kazu@codesourcery.com>
3191
3192         * basic-block.h (control_flow_graph): Change the type of
3193         x_label_to_block_map to VEC(basic_block,gc) *.
3194         * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
3195         set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
3196
3197         * tree-ssa-propagate.c (cfg_blocks): Change the type to
3198         VEC(basic_block,heap) *.
3199         (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
3200         ssa_prop_fini): Adjust the uses of cfg_blocks.
3201
3202 2006-01-03  Steven Bosscher  <stevenb.gcc@gmail.com>
3203
3204         * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
3205         COMPONENT_REFs.
3206         * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
3207         hashing trees instead of a pointer hash.
3208         (mem_attrs_htab_eq): Do a deep compare instead of a pointer
3209         compare for MEM_EXPR.
3210
3211         PR rtl-optimization/25130
3212         * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
3213         when comparing MEMs for GCSE
3214
3215 2006-01-03  Ben Elliston  <bje@au.ibm.com>
3216
3217         * targhooks.h (default_decimal_float_supported_p): Declare.
3218         * targhooks.c (default_decimal_float_supported_p): Define.
3219         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
3220         `default_decimal_float_supported_p'.
3221         * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
3222
3223 2006-01-02  Adam Nemet  <anemet@caviumnetworks.com>
3224
3225         * combine.c (apply_distributive_law <SUBREG>): Check
3226         TRULY_NOOP_TRUNCATION.
3227
3228 2006-01-02  Geoffrey Keating  <geoffk@apple.com>
3229
3230         * dwarf2out.c (have_switched_text_section): Delete.
3231         (have_multiple_function_sections): New.
3232         (have_location_lists): Make 'bool'.
3233         (add_AT_loc_list): Use 'true' not '1'.
3234         (dwarf2out_switch_text_section): Set have_multiple_function_sections.
3235         (output_loc_list): Use have_multiple_function_sections.
3236         (output_ranges): Likewise.
3237         (dwarf2out_begin_function): Set have_multiple_function_sections if
3238         necessary.
3239         (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
3240         Check function_section rather than DECL_SECTION_NAME.
3241         (dwarf2out_finish): Use have_multiple_function_sections.
3242         Don't clear have_location_lists.
3243
3244 2006-01-02  Eric Botcazou  <ebotcazou@adacore.com>
3245             Jan Hubicka  <jh@suse.cz>
3246
3247         * cfglayout.c (fixup_reorder_chain): Remove kludge for the
3248         case of conditional jump jumping to the next instruction.
3249         * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
3250         cases of conditional jump jumping to the next instruction.
3251
3252 2006-01-02  Jan Hubicka  <jh@suse.cz>
3253
3254         * i386.c (*_cost): Add COSTS_N_INSNS.
3255         (ix86_rtx_costs): Do not use COSTS_N_INSNS.
3256
3257 2006-01-02  Paolo Bonzini  <bonzini@gnu.org>
3258
3259         PR target/25259
3260         * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
3261
3262 2006-01-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3263
3264         * config/arm/arm.c (all_fpus): Fix comment typo.
3265         * config/darwin.c: Likewise.
3266         * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
3267         * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
3268         * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
3269
3270 2006-01-01  David Edelsohn  <edelsohn@gnu.org>
3271
3272         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
3273         (rs6000_split_compare_and_swapqhi): New.
3274         * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
3275         (sync_compare_and_swapqhi_internal): New.
3276         * config/rs6000/rs6000-protos.h: Declare.