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