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