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