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