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