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