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