1 2006-01-26 Richard Guenther <rguenther@suse.de>
2 Andrew Pinski <pinskia@physics.uc.edu>
5 partial PR tree-opt/17064
6 * tree-ssa-structalias.c (intra_create_variable_infos):
7 Create heap variables for incoming parameters if
8 flag_argument_noalias > 1.
9 (find_what_p_points_to): Look through default defs of
12 2006-01-26 Jeff Law <law@redhat.com>
15 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
16 with a VR_ANTI_RANGE and the VR_ANTI_RANGEis completely contained
17 within the VR_RANGE, use the VR_RANGE as the result, not the
19 (adjust_range_with_scev): Reject ranges from SCEV which are out
20 of bounds for the type.
22 2005-01-26 Daniel Berlin <dberlin@dberlin.org>
24 * tree-ssa-alias.c (maybe_create_global_var): Change
25 subvar walking to an assertion that we don't have subvar'd variables.
27 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
30 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
31 Use a new variable, inner. PARM_DECLs are always non-weak.
33 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
35 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
38 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
40 * config/mips/mips.md (*clear_upper32): New combiner pattern.
42 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
44 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
45 (smax_insn, smin_insn, smax_0, smin_0): New.
47 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
50 * config/cris/cris.c (cris_order_for_addsi3): New function.
51 * config/cris/cris-protos.h: Prototype it.
52 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
53 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
54 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
55 (split for "op.S1 [rx=rx+i],ry (swapped)")
56 (split for "op(s|u).S1 [rx=rx+i],ry")
57 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
58 Apply cris_order_for_addsi3 when generating addsi3 insns.
60 2006-01-25 Diego Novillo <dnovillo@redhat.com>
62 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
63 (TREE_BLOCK): Add call to EXPR_CHECK.
65 2006-01-25 Diego Novillo <dnovillo@redhat.com>
68 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
69 * tree-pretty-print.c (dump_omp_clause): Extract from ...
70 (dump_omp_clauses): ... here.
71 (dump_generic_node): Handle OMP_CLAUSE.
72 * tree.c (omp_clause_num_ops): New.
73 (omp_clause_code_name): New.
74 (tree_code_size): Handle OMP_CLAUSE.
75 (tree_size): Likewise.
76 (make_node): Document handling of OMP_CLAUSE.
77 (tree_node_structure): Handle OMP_CLAUSE.
78 (omp_clause_check_failed): New.
79 (omp_clause_range_check_failed): New.
80 (omp_clause_operand_check_failed): New.
81 (build_omp_clause): New.
82 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
83 * tree.h (enum omp_clause_code): Declare.
84 (OMP_CLAUSE_SUBCODE_CHECK): Define.
85 (OMP_CLAUSE_RANGE_CHECK): Define.
86 (OMP_CLAUSE_ELT_CHECK): Define.
87 (omp_clause_check_failed): Declare.
88 (omp_clause_operand_check_failed): Declare.
89 (omp_clause_range_check_failed): Declare.
90 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
91 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
92 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
93 (OMP_CLAUSE_LASTPRIVATE): Likewise.
94 (OMP_CLAUSE_IF_EXPR): Likewise.
95 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
96 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
97 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
98 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
99 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
100 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
101 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
102 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
103 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
104 (OMP_CLAUSE_CODE): Define.
105 (OMP_CLAUSE_SET_CODE): Define.
106 (OMP_CLAUSE_CODE): Define.
107 (OMP_CLAUSE_OPERAND): Define.
108 (struct tree_omp_clause): Declare.
109 (union tree_node): Add field 'omp_clause'.
110 * treestruct.def (TS_OMP_CLAUSE): Define.
111 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
112 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
113 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
114 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
115 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
116 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
117 (OMP_CLAUSE): Define.
118 * print-tree.c (print_node): Handle OMP_CLAUSE.
119 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
120 * c-typeck.c: Likewise.
121 * gimplify.c: Likewise.
123 * tree-nested.c: Likewise.
124 * tree-inline.c: Likewise.
125 * c-parser.c: Likewise.
126 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
129 2006-01-25 Roger Sayle <roger@eyesopen.com>
131 PR rtl-optimization/25703
132 * combine.c (try_combine): Handle zero_extract and strict_low_part
133 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
135 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
137 * global.c: Fix comment typos.
139 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
142 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
143 Use output_addr_const instead of assemble_name.
145 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
147 * Makefile.in (sched-vis.o): Update dependencies.
148 * haifa-sched.c (sched_finish): Clear current_sched_info.
149 * cfg.c (dump_bb_info): New, split from dump_flow_info.
150 (dump_flow_info): Call it.
151 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
153 * basic-block.h (dump_bb_info): Declare.
154 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
155 option, and apply options only for dump files whose TDF_RTL,
156 TDF_TREE, or TDF_IPA bits match.
157 * rtl.h: Declare new functions exported from sched-vis.c.
158 * sched-vis.c: Enable also if scheduling is not used.
159 (print_value): Print the mode of registers if not inside scheduling.
160 (print_insn): Make it work outside the scheduler. Beautify the output
162 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
164 2006-01-25 Richard Sandiford <richard@codesourcery.com>
166 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
167 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
168 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
169 depending on the value of CONSTANT_POOL_ADDRESS_P.
170 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
172 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
173 rather than SYMBOL_REF_DECL.
174 (rtx_constant_pool): Remove const_rtx_sym_htab.
175 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
176 (init_varasm_status): Don't initialize const_rtx_sym_htab.
177 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
178 Remove handling of const_rtx_sym_htab.
179 (find_pool_constant): Delete.
180 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
181 rather than find_pool_constant.
182 (get_pool_constant_for_function): Delete.
183 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
185 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
186 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
187 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
188 (SYMBOL_REF_CONSTANT): New macro.
189 (get_pool_constant_for_function): Delete.
190 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
191 rather than SYMBOL_REF_DECL.
192 (i386_pe_mark_dllimport): Likewise.
193 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
194 rather than SYMBOL_REF_DECL.
195 * config/darwin.c (machopic_indirect_data_reference): Likewise.
196 (machopic_indirect_call_target): Likewise.
198 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
200 * flow.c (delete_noop_moves): Add missing EOL to dump message.
202 2006-01-25 Richard Sandiford <richard@codesourcery.com>
204 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
206 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
208 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
210 2006-01-24 David Daney <ddaney@avtrex.com>
213 * configure.ac (enable_tls): New enable option.
214 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
215 * configure: Regenerate.
216 * doc/install.texi (--enable-tls): Document new option.
217 (--disable-tls): Ditto.
219 2006-01-24 Richard Henderson <rth@redehat.com>
221 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
222 * alias.c (true_dependence): Respect it.
223 (canon_true_dependence, write_dependence_p): Likewise.
224 * builtins.c (get_builtin_sync_mem): Set it.
226 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
228 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
231 2006-01-24 DJ Delorie <dj@redhat.com>
233 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
234 for storing constants in single-bit bitfields.
236 2006-01-25 Ben Elliston <bje@au.ibm.com>
238 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
240 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
243 * tree-ssa-pre.c (phi_translate): Return NULL
244 for AGGREGATE_TYPE's.
246 2006-01-24 Zack Weinberg <zackw@panix.com>
248 * genautomata.c (process_state_for_insn_equiv_partition):
249 Use xcalloc for insn_arcs_array.
250 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
251 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
253 2006-01-24 Richard Henderson <rth@redhat.com>
255 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
258 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
260 PR rtl-optimization/25890
261 PR rtl-optimization/25905
262 * combine.c (expand_compound_operation, expand_field_assignment):
263 Fail if the bitfield's final position is out of bounds.
265 2006-01-24 Ian Lance Taylor <ian@airs.com>
268 * cgraphunit.c (cgraph_output_in_order): Don't clear
269 cgraph_asm_nodes until after asm strings have been output.
271 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
273 * fix-header.c (read_scan_file): Add new parameter imultilib when
274 calling register_include_chains.
276 2006-01-23 Diego Novillo <dnovillo@redhat.com>
278 * omp-low.c: Update documentation.
280 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
281 Daniel Berlin <dberlin@dberlin.org>
285 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
286 return from the function.
288 2006-01-22 Zack Weinberg <zackw@panix.com>
290 * rtl.def (match_code): Add second argument.
291 * genpreds.c (write_extract_subexp): New function.
292 (write_match_code): Add path argument. Use write_extract_subexp.
293 (write_predicate_expr): Pass path to write_match_code.
294 (mark_mode_tests): MATCH_CODE applied to a subexpression does
295 not perform a mode test.
296 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
297 a subexpression does not constrain the top-level code set.
298 * read-rtl.c (read_rtx_variadic): New function.
299 (read_rtx_1): Use it; allow AND and IOR to be variadic.
300 * doc/md.texi: Document new notation.
301 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
302 (cmpsi_operand): ... here, using new notation.
304 2006-01-22 Zack Weinberg <zackw@panix.com>
306 * varray.c: Remove GENERATOR_FILE #ifdefs.
308 2006-01-22 Zack Weinberg <zackw@panix.com>
310 * genautomata.c (output_reserved_units_table): Emit nothing if
311 description->query_units_num is zero. Remove extra blank line.
312 (output_cpu_unit_reservation_p): Short circuit
313 if description->query_units_num is zero.
315 2006-01-22 Zack Weinberg <zackw@panix.com>
317 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
318 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
319 nor any of the random handful of variables that used to be necessary
320 when this program was linked with rtlanal.o. Prune set of forward
321 function declarations.
322 (struct attr_desc): Remove static_p field.
323 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
324 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
325 (attr_string): Do not read the character one past the length of
327 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
328 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
329 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
330 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
331 (make_automaton_attrs): New.
332 (main): Do not call into genautomata. Call local gen_bypass
333 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
334 Remove special case for insn_alts.
335 * genautomata.c: Include gensupport.h; not genattrtab.h nor
336 varray.h (leftover from previous change). Prune set of forward
337 function declarations. Remove state_alts fields from all
338 structures. Remove state_alts_table from struct automaton.
339 Make everything except main static. Do not maintain num_dfa_decls.
340 Do not maintain state_alts fields of various structures.
341 (process_decls): Don't validate condexp for dm_insn_reserv decls.
342 (add_arc): Remove state_alts argument. All callers updated.
343 (output_reserved_units_table): Emit #ifdef here...
344 (output_tables): ...not here. Don't generate state_alts tables.
345 (expand_automata): Don't generate attributes.
346 (write_automata): Don't generate state_alts functions.
347 (main): New function.
348 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
349 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
350 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
351 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
352 (BYPASS_P_FUNC_NAME, output_state_alts_table)
353 (output_automata_list_state_alts_code, output_internal_state_alts_func)
354 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
355 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
357 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
358 * genattrtab.h: Delete file.
359 * Makefile.in (OBJS-common): Add insn-automata.o.
360 (insn-automata.o): New rule.
361 (simple_generated_c): Add insn-automata.c.
362 (build/genattrtab.o, build/genautomata.o): Update dependencies.
363 (genprogmd): Add automata.
364 (build/genattrtab): Needs no extra objects nor libraries.
365 (build/genautomata): Needs build/vec.o and -lm.
367 2006-01-22 Zack Weinberg <zackw@panix.com>
369 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
370 (output_dfa_max_issue_rate, locked_states_num): Delete.
371 (struct automaton): Add locked_states field.
372 (output_dead_lock_vect): Save number of locked states in
373 automaton->locked_states. If it is zero, don't print anything.
374 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
375 (output_internal_dead_lock_func): Only test the dead_lock_vect
376 for automata that have locked states.
377 (output_statistics): Always print the number of locked states for
378 each automaton. Calculate total number of locked states here.
379 (write_automata): Don't call output_dfa_max_issue_rate.
380 * genattrtab.c: Define length_unit_log as a const variable.
381 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
382 max_insn_queue_index const.
383 * final.c (length_unit_log): Declare const.
384 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
386 2006-01-22 Zack Weinberg <zackw@panix.com>
388 * genautomata.c: Include vec.h, not varray.h.
389 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
390 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
391 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
392 VEC_* macros operating on appropriately typed vectors, or to
393 malloced arrays when the size is known in advance. Const-ify
394 many char* variables and function arguments. No functional changes.
395 * Makefile.in (build/varray.o): Delete rule.
396 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
397 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
399 2006-01-22 Zack Weinberg <zackw@panix.com>
401 * gensupport.c: Define get_insn_name and record_insn_name here.
402 (read_md_rtx): Call record_insn_name as appropriate.
403 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
404 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
405 * genpreds.c, genrecog.c: Don't define get_insn_name nor
407 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
408 (BUILD_VARRAY): Delete.
409 (genprognormal): Rename genprogmd. Fold in all programs from
410 genprognoprint; also attrtab.
411 (build/genattrtab): Just mention genautomata.o and varray.o.
412 Reorganize a bit, add comments to make the categories clearer.
414 2006-01-22 Zack Weinberg <zackw@panix.com>
416 * genconditions.c (condition_table, add_condition): Delete.
417 (write_conditions): Don't emit n_insn_conditions nor
418 insn_elision_unavailable. Issue the gcc version #ifdef here,
419 inside the table, with no #else clause ...
420 (write_header): ...not here.
421 (write_writer): New function.
422 (main): Don't initialize condition_table. Use add_c_test.
424 * gensupport.c (init_md_reader_args_cb): Handle multiple input
425 files on the command line.
426 (maybe_eval_c_test): Don't check insn_elision_unavailable.
427 Return -1 if there is no entry in the table, don't abort.
428 (add_c_test, traverse_c_tests): New functions.
429 * gensupport.h (insn_elision_unavailable, insn_conditions)
430 (n_insn_conditions): Delete declarations.
431 (add_c_test, traverse_c_tests): Declare.
432 * read-rtl.c: Include gensupport.h.
433 (read_conditions): New function.
434 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
435 (read_rtx_1): If we get EOF when we were looking for an initial
436 open paren, return 0. Call read_conditions when appropriate.
437 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
438 dummy-conditions.o. Eliminate references to insn-conditions.o,
439 or change them to build/gencondmd.o, as appropriate. Remove
440 insn-constants.h from $(simple_generated_h) and insn-conditions.c
441 from $(simple_generated_c). For all files remaining in those
442 two lists, add insn-conditions.md to the generator command line.
443 Give insn-constants.h/s-constants their own rules. Add rules
444 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
445 (build/read-rtl.o): Depend on gensupport.h.
446 (genprognormal): Include preds.
447 (genprogearly): Rename genprognoprint; only difference is now that
448 they don't link with $(BUILD_PRINT).
449 * dummy-conditions.c: Delete.
451 2006-01-22 Zack Weinberg <zackw@panix.com>
453 * genextract.c: Don't include insn-config.h. Do include vec.h.
454 Declare vectors of int, char, and locstr.
455 (locstr): New typedef.
456 (struct extraction): Make all array fields into bare pointers.
457 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
458 (insn_code_number): Delete.
459 (accum_extract): New struct.
460 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
461 (gen_insn): Take insn_code_number as an argument. Use an
462 accum_extract structure instead of loading data directly into
463 a struct extraction, and having to know how big it might get.
464 (walk_rtx): Operate entirely on an accum_extract structure.
465 (print_path): Avoid unnecessary use of printf.
466 (print_header): New function, split out of main. Distinguish
467 more carefully between an unrecognizable insn and an insn that
468 has the code number of a define_expand.
469 (main): Pass insn_code_number to gen_insn. Call print_header
470 only after parsing. Avoid unnecessary use of printf.
471 * Makefile.in (build/vec.o): New rule.
472 (build/genextract): Depend on build/vec.o.
473 (build/genextract.o): Don't depend on insn-config.h.
475 2006-01-22 Zack Weinberg <zackw@panix.com>
477 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
478 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
479 practical. Eliminate per-generator-program link rules.
481 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
484 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
485 with a call expr to ...
486 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
488 2006-01-23 Richard Guenther <rguenther@suse.de>
490 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
491 before make_edge with conditional EDGE_TRUE_VALUE.
493 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
494 Jan Hubicka <jh@suse.cz>
495 Richard Guenther <rguenther@suse.de>
497 PR rtl-optimization/25654
498 * cfgexpand.c (aggregate_contains_union_type): New function.
499 (add_alias_set_conflicts): Call it. Make sure to add conflicts
500 for structure variables that contain a union type.
502 2006-01-23 Richard Sandiford <richard@codesourcery.com>
504 * gengtype.c (new_structure): Return the structure.
505 (create_option): Add an extra "next" argument.
506 (create_field): New function.
507 (adjust_field_rtx_def): Use create_option and create_field.
508 Remove a now-unnecessary call to find_structure.
509 (adjust_field_tree_def): Likewise.
510 (note_yacc_type): Remove an unnecessary call to find_structure.
511 * gengtype.h (new_structure): Return the structure.
512 (create_option): Add an extra argument.
513 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
514 (option): Adjust calls to create_option.
516 2006-01-22 David Edelsohn <edelsohn@gnu.org>
518 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
520 2006-01-22 Paul Brook <paul@codesourcery.com>
521 Peter Barada <peter@the-baradas.com>
523 * config/m68k/m68k.md: Add Coldfire FPU support.
524 Define FP mode macro and associated attributes.
525 Use it for float mode patterns.
526 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
527 (LIBCALL_VALUE): Use m68k_libcall_value.
528 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
529 (m68k_function_value): Ditto.
530 (emit_move_sequence): Ditto.
531 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
532 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
533 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
534 (MULTILIB_EXCEPTIONS): Ditto.
535 * config/m68k/m68k.opt: Add mcfv4e.
536 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
537 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
538 (m68k_output_function_prologue): Save ColdFire FPU registers.
539 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
540 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
541 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
542 ColdFire FPU registers.
543 (m68k_libcall_value, m68k_function_value): New functions.
544 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
545 (LIBCALL_VALUE): Use m68k_libcall_value.
546 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
547 (MASK_COLDFIRE): Add MASK_CFV4E.
548 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
549 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
550 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
551 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
552 (GO_IF_LEGITIMATE_ADDRESS): Use it.
553 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
554 * doc/invoke.tex: Document -mcfv4e on m68k.
556 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
558 * doc/contribute.texi: Change CVS to SVN and update the corresponding
561 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
564 * c-opts.c (c_common_handle_option): Don't include
565 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
566 * doc/invoke.texi (C++ Dialect Options): Document that
567 -Wnon-virtual-dtor is no longer included in -Wall.
569 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
571 * gcov.c (print_version), gcov-dump.c (print_version),
572 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
575 2005-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
577 * df-scan.c (problem_SCAN): Added NULL reset function.
578 (df_scan_reset_blocks): Added code to call reset block function
579 (df_bb_refs_delete) Fixed comment.
580 (df_insn_refs_delete): Made tolerant of deleting non existent info
581 for dataflow problems that need to be reset.
582 * df-core.c (df_set_blocks): Ditto.
583 * df.h (struct df_problem): Added reset_fun.
584 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
585 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
586 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
587 functions to clear out all references to def-use or use-def chains.
589 2006-01-21 Ben Elliston <bje@au.ibm.com>
591 * varasm.c (assemble_real): Initialise data array.
593 2006-01-20 Paul Brook <paul@codesourcery.com>
595 Merge from csl-arm-branch.
596 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
597 * config/arm/arm.md (movdi): Force operands[1] to a register
598 if we have a non-register source.
599 (*arm_movdi, *movdf_soft_insn): Require that one of the
600 operands be a register.
601 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
602 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
604 2006-01-20 DJ Delorie <dj@redhat.com>
606 * varasm.c (initialize_constant_valid_p): Allow pointers
607 initialized from integer constants of lesser precision.
608 (output_constant): Allow non-int-sized pointer modes to be
609 initialized from integer constants.
611 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
614 * cppdefault.h (struct default_include): Add multilib flag.
615 * cppdefault.c (cpp_include_defaults): Set it.
616 * c.opt (-imultilib): New option.
617 * c-opts.c (imultilib): New.
618 (c_common_handle_option): Handle -imultilib.
619 (c_common_post_options): Likewise.
620 * c-incpath.c (add_standard_paths, register_include_chains):
622 * c-incpath.h (register_include_chains): Add extra parameter.
623 * gcc.c (do_spec_1): Generate -imultilib option.
624 (The Specs Language): Update %I description.
625 (process_command): Update copyright notice.
626 * doc/cppopts.texi (-imultilib): Document.
627 * doc/invoke.texi (-imultilib): Include in option summary.
628 (%I): Update specs documentation.
630 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
632 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
634 2006-01-20 Richard Sandiford <richard@codesourcery.com>
636 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
639 2006-01-20 Richard Guenther <rguenther@suse.de>
640 Steven Bosscher <stevenb.gcc@gmail.com>
642 PR rtl-optimization/24626
643 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
644 EDGE_TRUE_VALUE if in RTL mode.
647 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
648 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
650 2006-01-20 Dirk Mueller <dmueller@suse.com>
653 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
654 instead of a special NOP marker.
655 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
657 * c-common.h (empty_body_warning): Add forward declaration.
658 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
659 Now uses IS_EMPTY_STMT() instead of special NOP markers.
661 2005-01-20 Paul Brook <paul@codesourcery.com>
663 * Makefile.in (lang_checks): Keep going if mkdir fails.
665 2005-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
667 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
668 be able to clean out basic block when not necessary.
669 (df_scan_free): Fixed to properly delete information if df is
670 unused before calling df_finish.
671 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
672 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
674 (df_bb_refs_delete): New function.
675 (df_refs_delete): Moved per block code to df_bb_refs_delete.
676 * df-core.c (df_set_blocks): Added code to properly clean out
677 unused blocks if they are not part of the blocks to consider.
678 Added additional null check.
679 (df_compact_blocks): Added basic block parameter to free_bb_fun to
680 be able to clean out basic block when not necessary
681 * df.h (df_free_bb_function): Ditto.
682 (df_bb_refs_delete): New function.
683 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
684 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
685 basic block parameter to be able to clean out basic block when not
687 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
688 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
689 Fixed to properly delete information if df is unused before
692 2005-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
694 PR rtl-optimization/25799
695 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
696 Corrected confluence operator to remove bits from op2 before oring
697 with op1 rather than removing bits from op1.
698 (df_ru_transfer_function): Corrected test on wrong bitmap which
699 caused infinite loop. Both of these problems were introduced in
700 the dataflow rewrite.
702 2006-01-19 DJ Delorie <dj@redhat.com>
704 * reload1.c (find_reload_regs): Note the details of reload
705 failures in the dump file.
706 (spill_failure): Likewise.
708 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
710 * loop-iv.c: Include df.h and hashtab.h.
711 (enum iv_grd_result): New enum.
712 (DF_REF_IV, DF_REF_IV_SET): New macros.
713 (struct biv_entry): New.
714 (df, bivs): New global variables.
715 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
716 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
718 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
719 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
720 analyzed_for_bivness_p, record_biv): New functions.
721 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
722 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
723 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
725 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
727 (iv_number_of_iterations): Use new interface to iv analysis.
728 * loop-unroll.c: Do not include varray.h.
729 (analyze_iv_to_split_insn): Use new interface to iv
731 * loop-unswitch.c (may_unswitch_on): Ditto.
732 * df.c (df_bitmaps_free): Only work for bbs for that structures are
734 (df_bb_modify): Realloc tables to the new index.
735 (df_find_use): New function.
736 * df.h (df_find_use): Declare.
737 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
739 * cfgloop.h (struct rtx_iv): Remove analysed field.
740 (iv_get_reaching_def): Removed.
741 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
742 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
743 (loop-iv.o): Add df.h and hashtab.h dependency.
744 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
746 2006-01-20 Alan Modra <amodra@bigpond.net.au>
748 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
750 (__floatundisf, __floatundidf): Likewise.
751 * libgcc2.h (IS_IBM_EXTENDED): Define.
753 2006-01-19 DJ Delorie <dj@redhat.com>
755 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
757 2006-01-19 Paul Brook <paul@codesourcery.com>
759 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
760 as nothrow when unwinding tables are disabled.
762 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
765 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
766 of bit-field" when in system header.
768 2006-01-19 DJ Delorie <dj@redhat.com>
770 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
771 the 16 bit shift limit of the m16c.
773 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
776 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
777 * config/i386/i386.c (output_set_got): Output the label if we have one
778 for the TARGET_DEEP_BRANCH_PREDICTION case.
780 2006-01-19 Jan Hubicka <jh@suse.cz>
781 H.J. Lu <hongjiu.lu@intel.com>
782 Evandro Menezes <evandro.menezes@amd.com>
784 * invoke.texi (generic): Document
786 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
787 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
788 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
789 (x86_use_incdec, x86_pad_returns): New variables
790 (TARGET_CPU_DEFAULT_generic): New constant
791 (TARGET_CPU_DEFAULT_NAMES): Add generic.
792 (enum processor_type): Add generic32 and generic64.
793 * i386.md (cpu attribute): Add generic32/generic64
794 (movhi splitter): Behave sanely when both partial_reg_dependency and
795 partial_reg_stall are set.
796 (K8 splitters): Enable for generic as well.
797 * predicates.md (incdec_operand): Use TARGET_INCDEC
798 (aligned_operand): Avoid memory mismatch stalls.
799 * athlon.md: Enable for generic64, new patterns for 128bit moves.
800 * ppro.md: Enable for generic32
801 * i386.c (generic64_cost, generic32_cost): New.
802 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
803 (x86_use_leave): Enable for generic64. (x86_use_sahf,
804 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
805 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
806 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
807 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
808 x86_partial_reg_dependency, x86_memory_mismatch_stall,
809 x86_accumulate_outgoing_args, x86_prologue_using_move,
810 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
811 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
813 (x86_use_incdec, x86_pad_returns): New.
814 (override_options): Add generic32 and generic64, translate "generic"
815 to generic32/generic64 and "i686" to "generic32", refuse
816 "generic32"/"generic64" as arch target.
817 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
818 (ix86_reorg): Honor PAD_RETURNS.
820 2006-01-19 Diego Novillo <dnovillo@redhat.com>
822 * tree-pretty-print.c (dump_generic_node): Handle
823 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
824 * cgraph.c (cgraph_expand_queue): Rename from
825 cgraph_analyze_queue. Update all users.
826 * cgraphunit.c (cgraph_assemble_pending_functions): Process
828 (cgraph_expand_all_functions): Likewise.
829 (cgraph_finalize_pending_functions): Remove. Update callers.
831 * tree.h (OMP_DIRECTIVE_P): Define.
832 (OMP_PARALLEL_FN): Define.
833 (OMP_PARALLEL_DATA_ARG): Define.
834 (OMP_SECTIONS_SECTIONS): Define.
835 * tree-pass.h (pass_expand_omp): Declare.
836 * omp-low.c (struct omp_region): Declare.
837 (struct omp_context): Remove fields 'parallel_type',
838 'parallel_start_ix' and 'parallel_start_additional_args'.
840 (struct omp_for_data): Rename from struct expand_omp_for_data.
841 (omp_regions): New static variable.
842 (root_omp_region): New static variable.
843 (find_omp_clause): Make static.
844 (is_in_combined_parallel_ctx): Remove.
845 (is_combined_parallel): New.
846 (extract_omp_for_data): Move earlier in the file.
847 (workshare_safe_to_combine_p): New.
848 (get_ws_args_for): New.
849 (determine_parallel_type): Move earlier in the file.
850 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
852 (omp_copy_decl): Likewise.
853 (create_omp_child_function): Likewise.
854 (lookup_omp_region): New.
855 (dump_omp_region): New.
856 (debug_omp_region): New.
857 (debug_all_omp_regions): New.
858 (new_omp_region): New.
859 (scan_omp_parallel): If parallel_nesting_level > 1, the
860 directive is nested within another parallel directive.
862 (scan_omp_for): Do not try to handle combined parallel+for
864 Remove FIXME comment.
865 (scan_omp_nested): Remove.
866 (scan_omp_1): Do not call scan_omp_nested when
867 parallel_nesting_level is > 1.
868 Do not change the DECL_CONTEXT of local variables found.
869 (lookup_decl_in_outer_ctx): New.
870 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
871 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
872 (lower_reduction_clauses): Rename from expand_reduction_clauses.
873 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
874 If CTX is nested, lookup VAR in the outer context when
875 building copy assignment.
876 (lower_send_clauses): Rename from expand_send_clauses.
877 If CTX is nested, lookup VAR in the outer context when
878 building copy assignments.
879 (lower_send_shared_vars): Rename from expand_send_shared_vars.
880 If CTX is nested, lookup VAR in the outer context when
881 building copy assignments.
882 (expand_parallel_call): Rename from build_parallel_call.
883 Handle combined parallel+workshare cases.
884 Re-implement to emit code into the CFG.
886 (expand_omp_parallel): Re-implement to emit code into the CFG.
887 Call move_sese_region_to_fn to outline the sub-graph
888 containing the parallel region.
889 (expand_omp_for_1): Remove.
890 (expand_omp_for_generic): Re-implement to emit code into the
892 (expand_omp_for_static_nochunk): Likewise.
893 (expand_omp_for_static_chunk): Likewise.
894 (expand_omp_for): Likewise.
895 (expand_omp_sections): Likewise.
896 (remove_exit_barriers): New.
897 (expand_omp_synch): New.
899 (build_omp_regions_1): New.
900 (build_omp_regions): New.
901 (execute_expand_omp): New.
902 (gate_expand_omp): New.
903 (pass_expand_omp): Define.
904 (lower_omp_sections): Rename from expand_omp_sections.
905 Set OMP_SECTIONS_SECTIONS.
906 (lower_omp_single_simple): Rename from expand_omp_single_simple.
907 (lower_omp_single_copy): Rename from expand_omp_single_copy.
908 (lower_omp_single): Rename from expand_omp_simple.
909 (lower_omp_master): Rename from expand_omp_master.
910 (lower_omp_ordered): Rename from expand_omp_ordered.
911 (lower_omp_critical): Rename from expand_omp_critical.
912 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
913 (lower_omp_for): Re-implement.
914 (lower_omp_parallel): Re-implement.
915 (lower_regimplify): Rename from expand_regimplify.
916 (lower_omp_1): Rename from expand_omp_1.
917 If there are syntax errors in the program, replace every
918 OpenMP directive with NOP.
919 Call lower_omp_* instead of expand_omp_*.
920 (lower_omp): Rename from expand_omp.
922 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
923 * tree-gimple.h (enum omp_parallel_type): Remove.
924 (gimple_boolify): Declare extern.
925 (find_omp_clause, determine_parallel_type): Remove.
927 * gimple-low.c (lower_omp_directive): New.
928 (lower_stmt): Call it.
929 (record_vars_into): Move from ...
930 (record_vars): ... here.
931 Call record_vars_into with current_function_decl.
933 * gimplify.c (struct gimplify_ctx): Remove fields
934 combined_pre_p and combined_ctxp. Update users.
935 (get_formal_tmp_var): Add documentation.
936 (gimple_boolify): Make extern.
937 (gimplify_expr_in_ctx): Remove. Update callers.
938 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
939 will always be a BIND_EXPR.
940 (gimplify_expr): Handle OMP_RETURN_EXPR.
941 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
942 (OMP_PARALLEL): Add 3 operands.
943 (OMP_SECTIONS): Add 1 operand.
944 (OMP_RETURN_EXPR): Define.
946 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
947 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
948 * tree-iterator.c (alloc_stmt_list): Assert that we are not
949 creating a circular free list.
950 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
952 * tree-flow.h (move_sese_region_to_fn): Declare.
953 (record_vars_into): Declare.
954 * tree-cfg.c (make_omp_sections_edges): New.
955 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
956 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
957 OMP_SECTIONS and OMP_SECTION.
958 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
959 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
960 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
961 (gather_blocks_in_sese_region): New.
962 (struct move_stmt_d): Declare.
964 (move_block_to_fn): New.
965 (move_sese_region_to_fn): New.
967 * passes.c (init_optimization_passes): Schedule
968 pass_expand_omp after pass_init_datastructures.
970 * tree-ssa-operands.c (get_expr_operands): Handle
971 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
972 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
974 2006-01-19 Jeff Law <law@redhat.com>
976 * tree-vrp.c (extract_range_from_assert): Refine the result range
977 if the variable referenced by the ASSERT_EXPR has a range and
978 either the tentative result range or the previous range is a
981 2006-01-19 Richard Sandiford <richard@codesourcery.com>
983 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
985 2006-01-19 Jan Hubicka <jh@suse.cz>
987 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
989 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
991 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
992 (expand_compound_operation, expand_field_assignment): Fail if the
993 bit lengths of an extract operation are out of range.
994 (make_extraction): Compute wanted_inner_mode based on the position
995 and length of the extraction. Make it extraction_mode for non-constant
996 positions, and do not modify offset in that case. When generating a
997 new MEM, use a mode that can hold the extraction while keeping correct
998 alignment. Remove code that supported MEMs wrapped by USEs.
999 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
1001 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
1003 * config/s390/s390.md ("Y", "y"): New mode attribute.
1004 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1005 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
1006 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
1007 "*addsi3_imm_cc", "*addsi3_carry1_cc",
1008 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
1009 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
1010 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
1011 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
1012 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
1013 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
1014 "addsi3", "subsi3"): Insn patterns removed.
1015 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
1016 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
1017 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
1018 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
1019 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
1020 "*sub<mode>3_cconly2"): New insn patterns.
1021 ("addsi3", "subsi3"): New expanders.
1023 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
1025 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
1026 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
1027 existing STMT_VINFO_VECTYPE if available.
1028 (vect_mark_relevant): Add special handling for stmts that are
1029 marked as STMT_VINFO_IN_PATTERN_P.
1030 (vect_analyze_loop): Call vect_pattern_recog.
1031 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1032 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
1034 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
1035 (vect_recog_func_ptr): New function-pointer type.
1036 * tree-vect-patterns.c: New file.
1037 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
1038 (vect_recog_dot_prod_pattern, vect_pattern_recog):
1039 (vect_pattern_recog_1): New functions.
1040 (vect_pattern_recog_funcs): New array of function pointers.
1042 * tree-vectorizer.h (ternary_op): New enum value.
1043 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
1044 declaration. Revised documentation. Removed redundant dump prints.
1045 Removed redundant argument. Added support for reduction patterns.
1046 (vectorizable_reduction): Added support for reduction patterns.
1047 (vect_transform_stmt): Added support for patterns.
1049 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
1050 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
1051 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
1052 (expand_widen_pattern_expr): New function.
1053 (init_optabs): Initialize new optabs udot_prod_optab,
1055 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
1056 (sdot_prod_optab, udot_prod_optab): Define new optabs.
1057 (expand_widen_pattern_expr): New function declaration.
1058 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
1060 * tree-inline.c (estimate_num_insns_1): Added cases for new
1061 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1062 * tree-pretty-print.c (dump_generic_node): Likewise.
1063 (op_prio): Likewise.
1064 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1065 * tree-ssa-operands.c (get_expr_operands): Added case for
1067 * tree-vect-patterns.c (widened_name_p): New function.
1068 (vect_recog_dot_prod_pattern): Added function implementation.
1069 * tree-vect-transform.c (get_initial_def_for_reduction): Added
1070 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
1071 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
1072 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
1074 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
1075 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
1076 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
1077 (init_optabs): Initialize new optabs widen_ssum_optab,
1079 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
1080 (widen_ssum_optab, widen_usum_optab): Define new optabs.
1081 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
1082 use instead of type of def.
1083 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
1084 function implementation.
1085 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
1086 widen_ssumv8hi): New.
1088 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
1091 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1094 * c-decl.c (add_flexible_array_elts_to_size): New function.
1095 (finish_decl): Use it.
1097 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
1099 * diagnostic.h: Include options.h.
1100 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
1101 dependancies for diagnostic.h.
1102 * Makefile.in (DIAGNOSTIC_H): Add options.h.
1104 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
1106 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
1107 (ssa_ro_call_cache_valid): Ditto.
1108 * tree-ssa-alias.c (sort_tags_by_id): New function.
1109 (init_transitive_clobber_worklist): Ditto.
1110 (add_to_worklist): Ditto.
1111 (mark_aliases_call_clobbered): Ditto.
1112 (compute_tag_properties): Ditto.
1113 (set_initial_properties): Ditto.
1114 (compute_call_clobbered): Ditto.
1115 (compute_may_aliases): Call compute_call_clobbered and grouping.
1116 (compute_flow_sensitive_aliasing): Remove clobbering related code.
1117 (compute_flow_insensitive_aliasing): Grouping now happens in our
1119 (setup_pointers_and_addressables): Remove clobbering related code.
1120 (add_may_alias): Ditto.
1121 (replace_may_alias): Ditto.
1122 (get_nmt_for): Ditto.
1123 (create_global_var):
1124 (is_escape_site): Return an escape_type enumeration.
1125 * tree-flow-inline.h (is_call_clobbered): Global var does not
1126 imply call clobbered.
1127 (mark_call_clobbered): Take a reason for marking this. Remove
1128 marking of globalness, and cache invalidation.
1129 (clear_call_clobbered): Remove cache invalidation code.
1130 * tree-dfa.c (dump_variable): If details is on, dump the reason
1132 * tree-outof-ssa.c (create_temp): Copy escape mask from original
1134 * tree-flow.h (struct ptr_info_def): Add escape mask member.
1135 (struct var_ann_d): Ditto.
1136 (enum escape_type): New.
1137 (mark_call_clobbered): Adjust prototype.
1138 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
1139 are never call clobbered.
1140 Record reasons for escaping.
1141 * tree-ssa-structalias.h (is_escape_site): Update prototype.
1142 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
1143 (ssa_ro_call_cache_valid): Ditto.
1144 (clobbered_v_may_defs): Ditto.
1145 (clobbered_vuses): Ditto.
1146 (ro_call_vuses): Ditto.
1147 (clobber_stats): New.
1148 (init_ssa_operands): Zero out clobber stats.
1149 (fini_ssa_operands): Print out clobber stats.
1150 (get_call_expr_operands): Pass callee fndecl to
1152 (add_call_clobber_ops): Remove use of cache.
1153 Add use of PURE_CONST information.
1154 (add_call_read_ops): Remove use of cache.
1155 Add use of static not_read information.
1157 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
1159 Introduce TLS descriptors for i386 and x86_64.
1160 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
1161 (TARGET_ANY_GNU_TLS): New macro.
1162 (enum tls_dialect): Added TLS_DIALECT_GNU2.
1163 (struct machine_function): Add tls_descriptor_call_expanded_p.
1164 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
1165 (ix86_current_function_calls_tls_descriptor): Likewise.
1166 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
1167 (override_options): Introduce gnu2 tls dialect.
1168 (ix86_frame_pointer_required): Functions containing TLSCALLs are
1170 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
1172 (legitimize_tls_address): Adjust logic for GNU2 TLS.
1173 (ix86_init_machine_status): Initialize new field.
1174 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
1175 (ix86_tls_module_base): New.
1176 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
1177 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
1178 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
1179 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
1180 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
1181 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
1182 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
1183 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
1184 * config/i386/predicates.md (tls_modbase_operand): New.
1185 (tp_or_register_operand): New.
1187 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
1189 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
1190 (look_for_address_of): Ditto.
1191 (ipa_init): Walk the function decls.
1192 (static_execute): Don't set readonly on FUNCTION_DECL's.
1194 2006-01-18 Roger Sayle <roger@eyesopen.com>
1196 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
1197 for shifts where the source and destination registers are different.
1199 2006-01-18 Paul Brook <paul@codesourcery.com>
1201 Merge from csl-arm-branch.
1202 2005-03-14 Julian Brown <julian@codesourcery.com>
1203 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
1204 (aeabi_llsl): Likewise.
1205 (ashrdi3): Likewise.
1206 (aeabi_lasr): Likewise.
1207 (lshrdi3): Likewise.
1208 (aeabi_llsr): Likewise.
1209 2005-03-10 Julian Brown <julian@codesourcery.com>
1210 * config.gcc: Disable shared libgcc for SymbianOS.
1211 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
1213 2006-01-18 DJ Delorie <dj@redhat.com>
1215 * c-pragma.c (handle_pragma_diagnostic): New.
1216 (init_pragma): Register it.
1217 * doc/extend.texi: Document it.
1219 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
1220 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
1221 (diagnostic_context): Add classify_diagnostic[].
1222 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
1223 as errors if they're overridden to DK_WARNING.
1224 (diagnostic_initialize): Initialize classify_diagnostic[].
1225 (diagnostic_set_kind_override): New.
1226 (diagnostic_report_diagnostic): Check for kind changes.
1227 * opts.c (common_handle_option): Take lang_mask. Update callers.
1229 * common.opt (Werror=): New.
1230 * doc/invoke.texi: Document -Werror=*
1232 2006-01-18 Jeff Law <law@redhat.com>
1234 * tree-vrp.c (test_for_singularity): Correct test for new
1235 min limit. Use operand_equal_p rather than pointer equality
1236 for testing if new min/max values are equal.
1238 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
1239 using range information until after propagation and folding.
1241 2006-01-18 Richard Henderson <rth@redhat.com>
1242 Aldy Hernandez <aldyh@redhat.com>
1243 Jakub Jelinek <jakub@redhat.com>
1244 Diego Novillo <dnovillo@redhat.com>
1246 * omp-low.c: New file.
1247 * c-omp.c: New file.
1249 2006-01-18 Richard Henderson <rth@redhat.com>
1250 Jakub Jelinek <jakub@redhat.com>
1251 Diego Novillo <dnovillo@redhat.com>
1253 * doc/invoke.texi: Document -fopenmp.
1254 * tree-dump.h (debug_function): Declare.
1255 * hooks.c (hook_bool_tree_bool_false): New function.
1256 (hook_tree_tree_null): Remove.
1257 (hook_tree_tree_tree_null): New.
1258 * hooks.h: Update to match.
1259 * tree-pretty-print.c (debug_tree_chain): New.
1260 (print_generic_expr): Handle TDF_CHAIN.
1261 (dump_generic_node): Handle BLOCK.
1262 Do not abort with incomplete SWITCH_EXPRs.
1263 Do not dump body of an OpenMP directive if TDF_SLIM is given.
1264 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
1265 print space after directive name.
1266 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
1267 Handle OMP_MASTER and OMP_ORDERED.
1268 Handle printing of OMP_BODY just in one place, goto
1269 dump_omp_body in the rest of OMP_* nodes that have
1271 Don't handle clause nodes here. Update omp statements to
1272 use dump_omp_clauses.
1273 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
1274 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
1275 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
1276 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
1277 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
1278 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
1279 Adjust output for GOMP_PARALLEL.
1280 (dump_omp_clauses): New.
1281 (print_declaration): Dump DECL_VALUE_EXPR.
1282 (op_symbol_1): Split out of op_symbol.
1283 (dumping_stmts): Remove. Update all users.
1284 * cgraph.c (cgraph_analyze_queue): New.
1285 (cgraph_add_new_function): New.
1286 * cgraph.h (cgraph_analyze_queue): Declare.
1287 (cgraph_add_new_function): Declare.
1288 (cgraph_lower_function): Remove.
1289 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
1290 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
1291 and TYPE_P nodes in its default clause.
1292 (empty_body_p): New.
1293 (tree_range_check_failed): New.
1295 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
1296 OMP_CLAUSE_REDUCTION_MERGE,
1297 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
1298 OMP_CLAUSE_PRIVATE_DEBUG,
1299 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
1300 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
1301 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
1302 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
1303 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
1304 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
1305 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
1306 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
1307 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
1308 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
1309 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
1310 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
1311 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
1312 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
1313 (TREE_RANGE_CHECK): New.
1314 (empty_body_p): Declare.
1315 (enum omp_clause_default_kind): New.
1316 (build_string_literal): Declare.
1317 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
1318 (build5_stat, build5): Declare.
1319 * tree-pass.h (TDF_CHAIN): Define.
1320 * tree-pass.h (PROP_gimple_lomp): Define.
1321 (pass_lower_omp): Declare.
1322 * diagnostic.h (debug_tree_chain): Declare.
1323 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
1325 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
1326 * builtins.c (build_string_literal): Make extern.
1327 * gcc.c (include_spec_function): New.
1328 (static_spec_functions): Add it.
1329 (main): Move load of libgomp.spec ...
1330 (LINK_COMMAND_SPEC): ... here.
1331 (link_gomp_spec): New.
1332 (static_specs): Include it.
1333 (LINK_COMMAND_SPEC): Add link_gomp.
1334 (GOMP_SELF_SPECS): New.
1335 (driver_self_specs): Include it.
1336 (switch_matches): Don't mark inline.
1337 (main): Load libgomp.spec.
1338 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
1339 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
1340 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
1341 * tree-gimple.h (enum omp_parallel): Declare.
1342 (determine_parallel_type): Declare.
1343 (omp_firstprivatize_variable): Declare.
1344 (omp_reduction_init): Declare.
1345 (diagnose_omp_structured_block_errors): Declare.
1346 (struct walk_stmt_info): Add want_return_expr.
1347 (struct walk_stmt_info): Add want_bind_expr, want_locations.
1348 (find_omp_clause): Declare.
1349 (insert_field_into_struct): Declare.
1350 (struct walk_stmt_info): Move from tree-nested.c
1351 (walk_stmts): Declare.
1352 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
1354 * cgraphunit.c (cgraph_lower_function): Make static.
1355 (cgraph_finalize_pending_functions): New.
1356 (cgraph_finalize_function): Call it.
1357 (cgraph_finalize_compilation_unit): Likewise.
1358 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
1359 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
1360 (BT_FN_UINT_UINT): New.
1361 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
1362 DEF_FUNCTION_TYPE_VAR_4): Document.
1363 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
1364 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
1365 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
1366 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
1367 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
1368 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
1369 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
1370 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
1371 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
1372 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
1373 into separate files.
1374 (DEF_GOMP_BUILTIN): New.
1375 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
1376 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
1377 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
1378 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
1379 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
1380 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
1381 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
1382 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
1383 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
1384 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
1385 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
1386 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
1387 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
1388 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
1389 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
1390 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
1391 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
1392 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
1393 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
1394 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
1395 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
1396 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
1397 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
1398 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
1399 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
1400 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
1401 * sync-builtins.def: New file, moved from builtins.def.
1402 * omp-builtins.def: New file, moved from builtins.def.
1403 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
1404 * gimple-low.c (lower_function_body): Clear data.
1405 (lower_stmt): Do not handle COMPOUND_EXPR.
1406 Remove call to print_node_brief.
1407 * c-tree.h (c_finish_omp_clauses): New prototype.
1408 (C_DECL_THREADPRIVATE_P): Define.
1409 (lookup_name_no_remap, c_omp_remap_private): Remove
1410 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
1411 (check_for_loop_decls): Update decl.
1412 (lookup_name_no_remap, c_omp_remap_private): Declare.
1413 (build_indirect_ref, build_modify_expr, pushdecl,
1414 pushdecl_top_level): Move to c-common.h.
1415 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
1416 before the switch, but just in the 2 places that need it.
1417 * c-decl.c (diagnose_mismatched_decls): Do not check for
1418 mismatched thread-local attributes when OLDDECL is marked
1419 threadprivate and NEWDECL has no thread-local attributes.
1420 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
1421 (c_gimple_diagnostics_recursively): Rename from
1422 c_warn_unused_result_recursively. Invoke
1423 diagnose_omp_structured_block_errors.
1424 (check_for_loop_decls): Return a singular decl found.
1425 * langhooks.c (lhd_omp_predetermined_sharing): Return
1426 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
1427 (lhd_omp_firstprivatize_type_sizes): New.
1428 (lhd_omp_assignment): New.
1429 (lhd_omp_predetermined_sharing): New.
1430 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
1431 (struct lang_hooks_for_types): Add
1432 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
1433 omp_predetermined_sharing, omp_disregard_value_expr,
1434 omp_private_debug_clause, omp_clause_default_ctor,
1435 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
1436 (c_finish_omp_clauses): New.
1437 (c_finish_bc_stmt): Diagnose break within omp for.
1438 (c_begin_omp_parallel, c_finish_omp_parallel): New.
1439 (build_unary_op): Return error_mark after reporting
1441 (build_modify_expr): Likewise.
1442 * gimplify.c: Include optabs.h and pointer-set.h.
1443 (enum gimplify_omp_var_data): Declare.
1444 (struct gimplify_omp_ctx): Declare.
1445 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
1447 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
1448 (push_gimplify_context, pop_gimplify_context): Allow nesting.
1449 (splay_tree_compare_decl_uid): New.
1450 (new_omp_context): New.
1451 (delete_omp_context): New.
1452 (gimple_add_tmp_var): Call omp_add_variable.
1453 (gimplify_bind_expr): Likewise.
1454 (gimplify_var_or_parm_decl): If omp_notice_variable returned
1455 true, disregard DECL_VALUE_EXPR on the decl if any.
1456 (gimplify_expr_in_ctx): New.
1457 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
1458 omp_add_variable, omp_notice_variable, omp_is_private
1459 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
1460 gimplify_adjust_omp_clauses, gimplify_omp_parallel
1461 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
1462 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
1463 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
1464 gimplify_omp_atomic): New.
1465 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1466 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1467 OMP_CRITICAL and OMP_ATOMIC.
1468 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
1469 * c-pragma.h (enum pragma_kind): Add
1470 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
1471 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
1472 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
1473 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
1474 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
1475 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
1476 PRAGMA_OMP_THREADPRIVATE.
1477 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1478 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1479 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
1480 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
1481 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
1482 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
1483 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
1484 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
1485 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
1486 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
1487 * tree-ssa-dce.c (find_control_dependence): Do not assume that
1488 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
1489 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
1491 (struct nesting_info): Add field_map,
1492 suppress_expansion, debug_var_chain.
1493 (create_nesting_tree): Initialize them.
1494 (lookup_field_for_decl): Use field_map.
1495 (get_nonlocal_debug_decl, get_local_debug_decl): New.
1496 (convert_local_omp_clauses): New.
1497 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
1498 (walk_body): Split out of walk_function.
1499 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
1500 (convert_nonlocal_reference): Handle omp statements.
1501 (convert_local_reference): Likewise.
1502 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
1503 (unnest_nesting_tree): New.
1504 (lower_nested_functions): Call it.
1505 (insert_field_into_struct): Make extern.
1506 (struct walk_stmt_info): Move to tree-gimple.h.
1507 (walk_stmts): Make extern.
1508 * omp-builtins.def: New file.
1509 * tree-iterator.c (expr_only): Clarify comment.
1510 * c-common.h (pushdecl_top_level, pushdecl,
1511 build_modify_expr, build_indirect_ref,
1512 c_finish_omp_master, c_finish_omp_critical,
1513 c_finish_omp_ordered, c_finish_omp_barrier,
1514 c_finish_omp_atomic, c_finish_omp_flush,
1515 c_finish_omp_for, c_split_parallel_clauses,
1516 omp_clause_default_kind, c_omp_sharing_predetermined,
1517 c_omp_remap_decl): Declare.
1518 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
1519 (OBJS-common): Add omp-low.o.
1520 (c-omp.o, omp-low.o): Add.
1521 (gimplify.o): Add dependency on $(OPTABS_H).
1522 (GTFILES): Add omp-low.c.
1523 (gt-stringpool.h): Add.
1524 * tree-cfg.c (set_bb_for_stmt): Do not update the
1525 block-to-labels map if we are currently expanding to RTL.
1526 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
1528 Handle IDENTIFIER_NODE.
1529 (tree_verify_flow_info): Do not ICE when emitting error
1530 messages about invalid labels.
1531 (dump_function_to_file): Reset CFUN before emitting the body
1533 (debug_function): New.
1534 * passes.c (init_optimization_passes): Schedule
1536 * langhooks-def.h (lhd_omp_predetermined_sharing,
1537 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
1539 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
1540 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
1541 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
1542 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
1543 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
1544 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
1545 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
1546 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
1547 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
1548 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
1549 (LANG_HOOK_DECLS): Use them.
1551 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
1552 Richard Henderson <rth@redhat.com>
1553 Jakub Jelinek <jakub@redhat.com>
1554 Diego Novillo <dnovillo@redhat.com>
1556 * c-parser.c (pragma_omp_clause): Define.
1557 (c_parser_declaration_or_fndef): Document OpenMP syntax.
1558 (c_parser_compound_statement): Likewise.
1559 (c_parser_statement): Likewise.
1560 (c_parser_pragma): Handle omp pragmas.
1561 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
1562 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
1563 (c_parser_omp_clause_name, check_no_duplicate_clause,
1564 c_parser_omp_variable_list,
1565 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
1566 c_parser_omp_clause_copyprivate,
1567 c_parser_omp_clause_default,
1568 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
1569 c_parser_omp_clause_lastprivate,
1570 c_parser_omp_clause_nowait,
1571 c_parser_omp_clause_num_threads,
1572 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
1573 c_parser_omp_clause_reduction,
1574 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
1575 c_parser_omp_all_clauses, c_parser_omp_structured_block,
1576 c_parser_omp_atomic, c_parser_omp_barrier,
1577 c_parser_omp_critical, c_parser_omp_flush,
1578 c_parser_omp_for_loop, c_parser_omp_for,
1579 c_parser_omp_master, c_parser_omp_ordered,
1580 c_parser_omp_sections_scope, c_parser_omp_sections,
1581 c_parser_omp_parallel, c_parser_omp_single,
1582 c_parser_omp_construct, c_parser_omp_threadprivate): New.
1583 * c-pragma.c (init_pragma): Do omp pragma registration here.
1584 * c.opt (fopenmp): New flag.
1586 2006-01-18 Eric Christopher <echristo@apple.com>
1588 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
1589 * config/darwin.h (GOMP_SELF_SPECS): Define.
1591 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1593 * rtl.h: Remove the prototype for reg_alloc.
1595 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1598 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
1599 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
1600 sjlj and dwarf2 exception handling.
1601 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
1602 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
1603 * pa/pa.c (function_value): Treat complex and vector types as
1605 (function_arg): Likewise. Only pass scalar floats in the floating
1606 point argument registers.
1607 * pa/t-slibgcc-dwarf-ver: New file.
1608 * pa/t-slibgcc-sjlj-ver: New file.
1609 * pa/t-slibgcc-elf-ver: Delete file.
1611 2006-01-19 Alan Modra <amodra@bigpond.net.au>
1613 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
1614 unlikely_test_section_p test.
1616 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1618 * mode-switching.c (optimize_mode_switching): Make it static.
1619 * basic-block.h: Remove the prototype for
1620 optimize_mode_switching.
1622 * modulo-sched.c (sms_schedule): Make it static.
1623 * rtl.h: Remove the prototype for sms_schedule.
1625 * postreload-gcse.c (gcse_after_reload_main): Make it static.
1626 * rtl.h: Remove the prototype for gcse_after_reload_main.
1628 * reg-stack.c (reg_to_stack): Make it static.
1629 * rtl.h: Remove the prototype for reg_to_stack.
1631 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
1633 * rtl.h: Remove the prototypes for regrename_optimize and
1634 copyprop_hardreg_forward.
1636 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
1638 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
1639 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
1640 Test against the appropriate null constant for the mode.
1641 If 'fixup_overlap' is true, swap the operands if they overlap.
1642 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
1643 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
1644 alpha_split_tmode_pair and adjust for above change.
1645 * config/alpha/alpha.md (movtf_internal): Adjust call to
1646 alpha_split_tfmode_pair and rely on it to swap the operands.
1647 (movti_internal): New insn and post-reload splitter.
1648 (movti): New expander.
1650 2006-01-18 Philippe De Muyter <phdm@macqel.be>
1652 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
1655 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1657 * rtlanal.c (global_reg_mentioned_p_1,
1658 global_reg_mentioned_p): Remove.
1659 * rtl.h: Remove the prototype for global_reg_mentioned_p.
1661 * flow.c (initialize_uninitialized_subregs): Make it static.
1662 * rtl.h: Remove the prototype for
1663 initialize_uninitialized_subregs.
1665 * function.c (instantiate_virtual_regs): Make it static.
1666 * function.h: Remove the prototype for
1667 instantiate_virtual_regs.
1669 * regmove.c (regmove_optimize, combine_stack_adjustments):
1671 * rtl.h: Remove the prototypes for regmove_optimize and
1672 combine_stack_adjustments.
1674 2006-01-17 Roger Sayle <roger@eyesopen.com>
1676 * config/i386/i386.c (COSTS_N_BYTES): New macro.
1677 (size_cost): Encode costs in bytes so that a reg-reg addition is
1678 equivalent to COSTS_N_INSNS(1).
1679 (override_options): Use the size_cost.branch_cost as the default
1680 ix86_branch_cost when optimizing for size.
1682 2006-01-18 Ben Elliston <bje@au.ibm.com>
1684 * Makefile.in (D32PBIT_FUNCS): New.
1685 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
1686 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
1687 D64PBIT_FUNCS and D128PBIT_FUNCS.
1688 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
1689 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
1691 (decnumber_dep): Define.
1692 * doc/libgcc.texi (Decimal float library routines): New node.
1693 * config/dfp-bit.h, config/dfp-bit.c: New files.
1695 2006-01-18 Ben Elliston <bje@au.ibm.com>
1697 * expr.c (emit_move_change_mode): Always adjust addresses, not
1698 just during reload. Copy replacements only during reload.
1699 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
1700 emit_move_via_integer.
1702 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
1704 * Makefile.in (check-%, check-consistency): Use $${srcdir}
1705 instead of $(srcdir) and ${srcdir}.
1707 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
1711 * arm.h (struct machine_function): Add pic_reg.
1712 * arm.c (arm_pic_register): Make unsigned.
1713 (arm_override_options): Only set arm_pic_register if
1714 TARGET_SINGLE_PIC_BASE.
1715 (use_return_insn): Only test for a pic register if it is fixed.
1716 (arm_compute_save_reg0_reg12_mask): Likewise.
1717 (thumb_compute_save_reg_mask): Likewise.
1718 (legitimate_pic_operand): Factor out some known invariants.
1719 (legitimize_pic_address): If we don't have a fixed pic register,
1720 then set up a pseudo in the function entry sequence. Handle the
1721 pic base being in a pseudo.
1722 (arm_load_pic_register): Handle the pic register being in a pseudo.
1723 (arm_expand_prologue): Only set up the pic register if it is fixed.
1724 (thumb_expand_prologue): Likewise.
1725 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
1726 (pic_load_addr_based_insn): Likewise.
1727 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
1730 2006-01-18 Ben Elliston <bje@au.ibm.com>
1732 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
1733 decimal float modes for all floating point registers.
1735 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
1736 match_code "mem" with match_test "macho_lo_sum_memory_operand".
1738 2006-01-17 Jakub Jelinek <jakub@redhat.com>
1741 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
1742 even when the pointer is not NULL.
1744 2006-01-16 Ian Lance Taylor <ian@airs.com>
1746 * common.opt (ftoplevel-reorder): New option.
1747 * cgraph.c (cgraph_asm_nodes): New global variable.
1748 (cgraph_asm_last_node): New static variable.
1749 (cgraph_order): New global variable.
1750 (cgraph_create_node): Set new order field.
1751 (cgraph_varpool_node): Likewise.
1752 (decide_is_variable_needed): Return true if not
1753 flag_toplevel_reorder.
1754 (cgraph_add_asm_node): New function.
1755 * cgraph.h (struct cgraph_node): Add order field.
1756 (struct cgraph_varpool_node): Add order field.
1757 (struct cgraph_asm_node): Define.
1758 (cgraph_asm_nodes, cgraph_order): Declare.
1759 (cgraph_add_asm_node): Declare.
1760 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
1762 (cgraph_varpool_assemble_pending_decls): Call it.
1763 (cgraph_output_pending_asms): New static function.
1764 (cgraph_finalize_compilation_unit): Call it.
1765 (struct cgraph_order_sort): Define.
1766 (cgraph_output_in_order): New static function.
1767 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
1768 !flag_toplevel_reorder case.
1769 * c-parser.c: Include "cgraph.h".
1770 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
1772 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
1773 than -fno-unit-at-a-time.
1774 * doc/invoke.texi (Option Summary): Mention
1775 -fno-toplevel-reorder.
1776 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
1777 -funit-at-a-time documentation.
1779 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
1780 Kazu Hirata <kazu@codesourcery.com>
1782 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
1784 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
1786 * Makefile.in (FUNCTION_H): New. Use it instead of
1787 function.h throughout the file.
1788 * function.h: Include tree.h.
1790 2006-01-17 Ben Elliston <bje@au.ibm.com>
1792 * recog.c: Separate some functions with whitespace.
1794 2006-01-16 Richard Henderson <rth@redhat.com>
1796 Merge from gomp branch:
1797 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
1798 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
1799 and rename from struct inline_data. Rename callee* to dst*;
1800 caller* to src*; add copy_decl hook, transform_call_graph_edges,
1801 transform_new_cfg, transform_return_to_modify, and
1802 transform_lang_insert_block flags; remove cloning_p, versioning_p,
1804 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
1805 (copy_decl_for_dup): Remove.
1806 * tree-inline.c (struct inline_data): Move to header.
1807 (insert_decl_map): Export.
1808 (remap_decl): Update for member name changes. Use copy_decl hook.
1809 Allow for replacement to be a non-decl. Remove dead code.
1810 (remap_type_1): Check for existing mapping.
1811 (remap_type): Export.
1812 (remap_decls): Update for member name changes.
1813 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
1814 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
1815 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
1816 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
1817 (tree_function_versioning, build_duplicate_type): Likewise.
1818 (copy_body_r): Likewise. Export.
1819 (copy_decl_for_dup): Split into ...
1820 (copy_decl_for_dup_finish, copy_decl_to_var,
1821 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
1822 (replace_ref_tree, inlining_p): Remove.
1824 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1826 * ifcvt.c (if_convert): Make it static.
1827 * rtl.h: Remove the prototype for if_convert.
1829 * local-alloc.c (local_alloc): Make it static.
1830 * rtl.h: Remove the prototype for local_alloc.
1832 * loop.c (loop_optimize): Make it static.
1833 * cfgloop.h: Remove the prototype for loop_optimize.
1836 2006-01-16 DJ Delorie <dj@redhat.com>
1838 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
1841 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1843 * pa.md: Disparage copies between general and floating-point registers
1844 in 32-bit move patterns.
1846 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
1849 * Makefile.in (check-%): Depend on site.exp instead of
1850 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
1853 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1855 * global.c (global_alloc): Make it static.
1856 * rtl.h: Remove the prototype for global_alloc.
1858 2006-01-16 Richard Guenther <rguenther@suse.de>
1860 * tree-ssa-alias.c (struct used_part): Add write_only field.
1861 (get_or_create_used_part_for): Initialize it to true.
1862 (create_overlap_variables_for): Don't create structure variables
1863 for structures that only are written to.
1864 (find_used_portions): Handle MODIFY_EXPR to track whether a
1865 structure is only written to.
1867 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1869 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
1871 * basic-block.h: Remove the prototype for
1872 partition_hot_cold_basic_blocks.
1874 2006-01-16 Rafael Ãvila de EspÃndola <rafael.espindola@gmail.com>
1876 * cppspec.c (lang_specific_spec_functions): Remove.
1877 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
1878 * gcc.h (lang_specific_spec_functions): Remove.
1879 * gccspec.c (lang_specific_spec_functions): Remove.
1881 2005-01-16 Paolo Bonzini <bonzini@gnu.org>
1883 * combine.c (record_value_for_reg): Invalidate registers
1885 (record_dead_and_set_regs_1): Likewise, by passing them to
1886 record_value_for_reg.
1887 (record_dead_and_set_regs): Invalidate stores made by a
1888 call. We do not combine across a call, but we still
1889 relied on equivalences.
1891 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
1893 * tree-vrp.c (extract_range_from_binary_expr): Cope with
1894 vrp_int_const_binop returning non-constant nodes.
1896 2006-01-16 Paul Brook <paul@codesourcery.com>
1898 * config/m68k/m68k.c (output_move_const_into_data_reg):
1899 Output correct mnemonic for mvz and mvs.
1901 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
1903 * rtl-factoring.c: Add sequence abstraction algorithm.
1904 * cfgcleanup.c (outgoing_edges_match): Extra checks.
1905 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
1907 (block_has_preserve_label): New function.
1908 * common.opt: Register new pass.
1909 * Makefile.in: Ditto.
1911 * timevar.def: Ditto.
1912 * tree-pass.h: Ditto.
1913 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
1914 * rtl.h (make_jump_insn_raw): Add forward decl.
1915 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
1917 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
1918 Roger Sayle <roger@eyesopen.com>
1920 * fold-const.c (fold_minmax): New static function.
1921 (fold_binary) <MIN_EXPR>: Call it.
1922 <MAX_EXPR>: Likewise.
1923 * stor-layout.c (place_field): Use DECL_SIZE consistently
1924 in the computation of the new record size.
1926 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1928 * cse.c (cse_condition_code_reg): Make it static.
1929 * rtl.h: Remove the prototype for cse_condition_code_reg.
1931 * combine.c (combine_instructions): Make it static.
1932 * rtl.h: Remove the prototype for combine_instructions.
1934 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1937 * tree.c (get_file_function_name_long): Concatenate the first global
1938 object name with a string derived from the input filename of the object
1941 2006-01-16 Ben Elliston <bje@au.ibm.com>
1943 * config/i386/winnt-stubs.c: Update FSF address.
1944 * config/xtensa/ieee754-df.S: Ditto.
1945 * config/xtensa/ieee754-sf.S: Ditto.
1947 2006-01-14 Ian Lance Taylor <ian@airs.com>
1949 * ifcvt.c (noce_init_if_info): New static function, broken out of
1950 noce_process_if_block.
1951 (noce_process_if_block): Call noce_init_if_info.
1952 (check_cond_move_block): New static function.
1953 (cond_move_process_if_block): New static function.
1954 (process_if_block): Call cond_move_process_if_block.
1956 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
1958 * cselib.c (hash_table): Rename to cselib_hash_table.
1959 (cselib_clear_table, discard_useless_values,
1960 remove_useless_values, cselib_lookup_mem, cselib_lookup,
1961 cselib_init, cselib_finish): Adjust uses of hash_table.
1963 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
1965 PR tree-optimization/25485
1966 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
1967 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
1968 is known to be false and true, respectively.
1970 2006-01-14 Richard Guenther <rguenther@suse.de>
1972 PR tree-optimization/22548
1973 PR tree-optimization/22555
1974 PR tree-optimization/22501
1975 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
1976 * params.def (salias-max-array-elements): New parameter.
1977 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
1978 * doc/invoke.texi (salias-max-array-elements): Document.
1979 * tree-flow-inline.h (var_can_have_subvars): We also handle
1981 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
1983 * tree-ssa-structalias.c (params.h): Include.
1984 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
1985 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
1986 (get_constraint_for): For ADDR_EXPR operating on something
1987 containing an ARRAY_REF, add all subvars to the solution.
1988 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
1989 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
1990 for creating MUST_DEFs.
1991 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
1993 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
1995 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
1997 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
1998 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1999 number_of_iterations_le): New functions.
2000 (number_of_iterations_special): Removed.
2001 (number_of_iterations_exit): Do not use number_of_iterations_special.
2002 * tree.c (unsigned_type_for): Always return integer type.
2004 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
2005 Richard Guenther <rguenther@suse.de>
2007 PR rtl-optimization/24257
2008 * gcse.c (find_moveable_store): Only consider a store movable
2009 when the SET_SRC of the insn can be assigned to a register.
2011 2006-01-14 Ian Lance Taylor <ian@airs.com>
2013 * tree.c (tree_not_class_check_failed): New function.
2014 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
2015 (tree_not_class_check_failed): Declare.
2017 2006-01-13 Ian Lance Taylor <ian@airs.com>
2019 * reload1.c (do_output_reload): Add assertion rejecting a
2022 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
2024 * combine.c (struct reg_stat): Add new fields truncation_label and
2026 (record_value_for_reg): Reset truncated_to_mode.
2027 (record_truncated_value): New function.
2028 (check_promoted_subreg): Call it. Rename to check_conversions.
2029 (combine_instructions): Rename check_promoted_subreg to
2031 (reg_truncated_to_mode): New function.
2032 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
2033 (gen_lowpart_or_truncate): New function.
2034 (force_to_mode): Use it instead of gen_lowpart.
2036 2006-01-13 Diego Novillo <dnovillo@redhat.com>
2038 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
2039 VAR is a tag, not its type tag.
2041 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
2043 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
2044 alternatives to match style of other entries.
2045 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
2047 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
2049 PR tree-optimization/25771
2050 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
2053 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
2056 * tree-inline.c (declare_return_variable): If the return variable
2057 was marked as a non gimple complex, set the return slot variable
2058 to be a non gimple comple variable.
2060 2006-01-13 Richard Guenther <rguenther@suse.de>
2062 * builtins.c (expand_builtin_sincos): New function.
2063 (expand_builtin_mathfn_3): Remove dead code, sin and cos
2065 (expand_builtin): Expand sincos using expand_builtin_sincos.
2067 2006-01-12 DJ Delorie <dj@redhat.com>
2069 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
2070 shift counts, separate SI shifts for m32c vs m16c, pass shift type
2071 so that constant shifts can be split.
2072 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
2073 (m32c_valid_pointer_mode): Make static.
2074 (shift_gen_func_for): New.
2075 (m32c_prepare_shift): Use it. Split large const shifts into
2077 * config/m32c/predicates.md (shiftcount_operand): Allow more
2079 (longshiftcount_operand): New.
2080 * doc/md.texi (Machine Constraints): Document In6.
2082 2006-01-13 Ben Elliston <bje@au.ibm.com>
2084 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
2085 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
2088 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
2090 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
2091 to try to avoid clobbering pieces of structures when we know
2092 something about the whole structure.
2093 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
2095 2006-01-13 Ben Elliston <bje@au.ibm.com>
2097 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
2098 return in memory, as this is no limitation is no longer present.
2100 2006-01-12 DJ Delorie <dj@redhat.com>
2102 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
2103 mova with fb, and for fb+0 -> An.
2105 * config/m32c/mov.md (peephole2): Fix enabling logic.
2107 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2108 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
2109 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
2110 FINI_ARRAY_SECTION_ASM_OP): Define.
2112 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
2114 (m32c_legitimize_reload_address): New logic to reload FB to An.
2115 (m32c_output_reg_push): Add newline.
2116 (m32c_output_reg_pop): Likewise.
2118 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
2120 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
2122 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
2124 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2126 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2128 * config/sh/predicates.md (sh_rep_vec): Add parallel to
2131 2006-01-11 Ben Elliston <bje@au.ibm.com>
2133 * rtlanal.c (find_reg_note): Assert insn is not null.
2135 2005-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2137 * df-scan.c (df_hard_reg_init): Move declaration of i outside
2140 2006-01-11 Jeff Law <law@redhat.com>
2142 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
2144 (mark_threaded_blocks, register_jump_thread): New functions.
2145 (thread_through_all_blocks): Remove unwanted argument. No
2146 longer rely on e->aux to communicate thread target info.
2147 Call mark_threaded_blocks. Release the threaded_blocks
2148 bitmap and threaded_edges vector when complete.
2149 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
2150 (threaded_blocks): Remove.
2151 (tree_ssa_dominator_optimize): Remove initialization and
2152 finalization of threaded_blocks. Simplify call to
2153 thread_through_all_blocks.
2154 (thread_across_edge): Call register_jump_thread rather than
2155 storing thread information into e->aux.
2156 (free_all_edge_infos): Simplify now that e->aux is no longer
2157 used to communicate with thread_through_all_blocks.
2158 * tree-flow.h (thread_through_all_blocks): Update prototype.
2159 (register_jump_thread): Prototype.
2161 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2163 * df-core.c (df_compact_blocks, df_bb_replace): Use
2164 SET_BASIC_BLOCK instead of BASIC_BLOCK.
2166 2006-01-11 Richard Guenther <rguenther@suse.de>
2168 PR tree-optimization/25734
2169 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2170 stop propagation after successful propagation to the LHS.
2172 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2174 * basic-block.h (control_flow_graph): Change the type of
2175 x_basic_block_info to VEC(basic_block,gc) *.
2176 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
2178 (SET_BASIC_BLOCK): New.
2179 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
2180 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
2181 * cfgbuild.c (find_basic_blocks): Likewise.
2182 * cfglayout.c (fixup_reorder_chain): Likewise.
2183 * cfgrtl.c (create_basic_block_structure,
2184 rtl_create_basic_block): Likewise.
2185 * ifcvt.c (find_if_case_1): Likewise.
2186 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
2189 2005-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2191 * Makefile.in: Removed rotted odf.c entry.
2193 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
2196 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
2197 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
2198 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
2199 output pattern modifier, not %e.
2200 * config/cris/cris.c (cris_op_str): Update comment about pattern
2202 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
2203 before falling through into...
2204 <case 'E'>: Redefined from old 'e' case.
2206 2006-01-11 Jan Hubicka <jh@suse.cz>
2209 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
2211 2006-01-11 Jan Hubicka <jh@suse.cz>
2213 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
2214 * i386.c (x86_decompose_lea): Kill.
2215 (ix86_rtx_costs): Kill.
2217 2006-01-11 Jan Hubicka <jh@suse.cz>
2219 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
2220 * cgraph.h (cgraph_node): Add inline_decl.
2221 (cgraph_insert_node_to_hashtable): Declare.
2222 (save_inline_function_body): Declare.
2223 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
2225 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
2226 (cgraph_function_versioning): Update call of tree_function_versioning.
2227 (save_inline_function_body): New function.
2228 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
2229 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
2230 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
2231 (cgraph_default_inline_p): Likewise.
2232 (cgraph_decide_inlining_incrementally): Likewise.
2233 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
2234 (copy_bb): Kill saving; do updating of clones.
2235 (copy_cfg_body): Kill saving.
2236 (initialize_inlined-parameters): Likewise.
2237 (expand_call_inline): Likewise.
2239 (tree_function_versioning): New parameter "update_clones".
2240 (inlining_p): Kill saving.
2241 * tree-inline.h (tree_function_versioning): Update prototype.
2242 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
2245 2006-01-11 Ian Lance Taylor <ian@airs.com>
2247 * combine.c (struct undo): Remove is_int. Enumify types of undos.
2248 Allow undoing set of machine mode.
2249 (do_SUBST): Use enums instead of is_int.
2250 (do_SUBST_MODE): New function.
2251 (SUBST_MODE): New macro.
2252 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
2253 reg and trying to replace reg_regno_rtx with a new register.
2254 (undo_all): Use new enums, handle undoing a PUT_MODE change.
2255 (simplify_set): Use SUBST_MODE.
2256 (distribute_notes): Remove code that tried to update reg notes
2257 for regno_reg_rtx changes.
2259 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
2261 PR tree-optimization/23109
2262 PR tree-optimization/23948
2263 PR tree-optimization/24123
2265 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
2266 * tree-cfg.c (single_noncomplex_succ): New.
2267 * tree-flow.h (single_noncomplex_succ): Declare it.
2268 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2269 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2270 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
2271 insert_bb, register_division_in, insert_reciprocals,
2272 replace_reciprocal, free_bb): New.
2273 (execute_cse_reciprocals_1): Rewritten.
2274 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
2275 Do not commit any edge insertion. Always compute dominators and
2276 create the allocation pool.
2277 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
2278 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
2279 * targhooks.c (default_min_divistions_for_recip_mul): New.
2280 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
2281 * passes.c (init_optimization_passes): Run recip after tree loop
2283 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
2285 2005-01-11 Danny Berlin <dberlin@dberlin.org>
2286 Kenneth Zadeck <zadeck@naturalbridge.com>
2288 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
2289 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
2290 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
2291 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
2292 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
2293 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
2294 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
2295 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
2296 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
2297 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
2298 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
2299 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
2300 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
2301 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
2302 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
2303 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
2304 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
2305 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
2306 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
2307 DF_SCAN_POST_ALLOC): New macros.
2308 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
2309 df_free_bb_function, df_local_compute_function, df_init_function,
2310 df_dataflow_function, df_confluence_function_0,
2311 df_confluence_function_n, df_transfer_function,
2312 df_finalizer_function, df_free_function, df_dump_problem_function,
2313 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
2314 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
2315 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
2316 df_urec_bb_info, ) New types.
2317 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
2319 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
2320 df_analyze_simple_change_some_blocks,
2321 df_analyze_simple_change_one_block, df_compact_blocks,
2322 df_bb_replace, df_bb_regno_last_use_find,
2323 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
2324 df_insn_regno_def_p, df_find_def, df_find_use,
2325 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
2326 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
2327 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
2328 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
2329 debug_df_chain, df_get_dependent_problem, df_chain_create,
2330 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
2331 df_grow_bb_info, df_chain_dump, df_print_bb_index,
2332 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
2333 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
2334 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
2335 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
2336 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
2337 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
2338 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
2339 df_ref_remove, df_insn_refs_delete, df_refs_delete,
2340 df_reorganize_refs, df_set_state, df_hard_reg_init,
2341 df_read_modify_subreg_p) New public functions.
2342 * df-core.c: The core dataflow solver and glue routines for rtl
2344 (df_init, df_add_problem, df_set_blocks, df_finish,
2345 df_hybrid_search_forward, df_hybrid_search_backward,
2346 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
2347 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
2348 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
2349 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
2350 df_reg_defined, df_find_use, df_reg_used, df_dump,
2351 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
2352 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
2353 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
2354 debug_df_useno, reset_df_after_reload): New functions.
2355 * df-scan.c: The scanning fuctions, once in df.c, completely
2356 rewritten so that they now fully model the functionality of
2357 register usage at the backend.
2358 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
2359 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
2360 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
2361 df_grow_insn_info, df_rescan_blocks, df_ref_create,
2362 df_get_artificial_defs, df_get_artificial_uses,
2363 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
2364 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
2365 df_refs_delete, df_reorganize_refs, df_set_state,
2366 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
2367 df_def_record_1, df_defs_record, df_uses_record,
2368 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
2369 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
2370 df_record_exit_block_uses, df_hard_reg_init): New functions.
2372 * df-problems.c: Seven concrete dataflow problems that use the
2373 scanning in df-scan.c and are solved by the engine in df-core.c.
2374 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
2375 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
2376 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
2377 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
2378 df_ru_free_bb_info, df_ru_alloc,
2379 df_ru_bb_local_compute_process_def,
2380 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
2381 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
2382 df_ru_transfer_function, df_ru_free, df_ru_dump,
2383 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
2384 df_rd_free_bb_info, df_rd_alloc,
2385 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
2386 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
2387 df_rd_transfer_function, df_rd_free, df_rd_dump,
2388 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
2389 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
2390 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
2391 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
2392 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
2393 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
2394 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
2395 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
2396 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
2397 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
2398 df_urec_mark_reg_change, df_urec_check_earlyclobber,
2399 df_urec_mark_reg_use_for_earlyclobber,
2400 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
2401 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
2402 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
2403 df_urec_dump, df_urec_add_problem, df_chain_alloc,
2404 df_chain_create_bb_process_use, df_chain_create_bb,
2405 df_chain_finalize, df_chain_free, df_chains_dump,
2406 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
2407 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
2408 df_reg_lifetime): New functions.
2409 * df.c: Deleted file.
2410 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
2411 consistent with new df api.
2412 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
2413 rest_of_handle_sms): Ditto.
2414 * web.c (unionfind_union, union_defs, entry_register, web_main):
2416 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
2417 invariant_expr_equal_p, find_defs, check_dependencies,
2418 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
2419 free_inv_motion_data, move_loop_invariants): Ditto.
2420 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
2421 Update dependencies.
2422 (odf.c): Added defective entry that was deleted later in day.
2423 * sched-deps.c (sched_analyze_1): Ditto.
2425 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
2427 * tree-ssa-operands.c (get_expr_operands): Record addressable
2428 variables directly. Do not call add_stmt_operands for CONST_DECLs
2430 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
2431 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
2433 2006-01-11 Ben Elliston <bje@au.ibm.com>
2435 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
2436 function returns true in the positive case.
2438 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2441 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
2442 for SI, DI, SF and DF modes. Add alternatives to copy between
2443 general and floating point registers to the 32-bit patterns.
2444 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
2445 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
2446 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
2447 generating 64-bit code.
2448 * config/pa/pa.c (output_move_double): Handle copies between general
2449 and floating registers.
2451 2006-01-10 Stuart Hastings <stuart@apple.com>
2453 * config/i386/i386.md (set_got): Update.
2454 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
2455 (builtin_setjmp_receiver): Mach-O support.
2456 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
2457 (GOT_SYMBOL_NAME): Define.
2458 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
2459 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
2460 * config/i386/i386.c (override_options): Revise for Darwin.
2461 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
2462 support. (darwin_x86_file_end): New. (output_set_got): Add label
2463 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
2464 * config/i386/i386-protos.h (output_set_got): Likewise.
2465 * config/darwin.c (machopic_legitimize_pic_address): Update
2468 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
2470 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
2471 when MODE isn't BLKmode.
2473 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2475 PR rtl-optimization/25367
2476 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
2478 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
2481 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
2482 for a negative bound.
2484 2006-01-10 Richard Guenther <rguenther@suse.de>
2486 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2487 Never override with anything constraint.
2489 2006-01-10 Jan Beulich <jbeulich@novell.com>
2491 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
2492 256 bits when optimize_size.
2494 2006-01-10 Jan Beulich <jbeulich@novell.com>
2496 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
2498 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
2499 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
2502 2006-01-10 Ben Elliston <bje@au.ibm.com>
2504 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
2506 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
2507 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2508 (USE_FP_FOR_ARG): Reject decimal float modes.
2509 (function_arg_advance): Likewise.
2510 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
2511 (rs6000_handle_altivec_attribute): Do not permit decimal floating
2512 point types in AltiVec vectors.
2513 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
2514 (rs6000_libcall_value): Likewise.
2516 2006-01-09 Bob Wilson <bob.wilson@acm.org>
2518 * config/xtensa/ieee754-df.S: New file.
2519 * config/xtensa/ieee754-sf.S: New file.
2520 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
2521 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
2522 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
2524 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
2526 * config/sh/predicates.md (binary_float_operator,
2527 binary_logical_operator, commutative_float_operator,
2528 equality_comparison_operator, greater_comparison_operator,
2529 less_comparison_operator, logical_operator,
2530 noncommutative_float_operator, shift_operator,
2531 symbol_ref_operand, unary_float_operator): Remove redundant
2534 2006-01-09 Jeff Law <law@redhat.com>
2536 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
2537 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
2538 now unused arguments. Callers updated.
2539 (eliminate_redundant_computations): Remove now unused arguments,
2541 (local_fold): Remove, no longer used.
2542 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
2544 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
2545 (simplify_cond): New function.
2546 (forward_propagate_into_cond): Call simplify_cond.
2548 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
2550 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
2551 (*vec_extractv2di_1_sse): New.
2553 2006-01-09 Ben Elliston <bje@au.ibm.com>
2555 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
2557 2006-01-08 Richard Guenther <rguenther@suse.de>
2559 * tree-ssa-structalias.c (get_constraint_for): Remove
2561 (get_constraint_for_component_ref): Likewise.
2562 (do_deref): Likewise.
2563 (get_constraint_for): Likewise.
2564 (do_structure_copy): Likewise.
2565 (handle_ptr_arith): Likewise.
2566 (find_func_aliases): Likewise. Remove unused need_anyoffset
2569 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
2570 Kaz Kojima <kkojima@gcc.gnu.org>
2572 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
2573 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
2574 (EXTRA_CONSTRAINT_C16): Remove.
2575 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
2576 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
2577 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
2578 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
2579 constants of SHmedia. Handle nested constant expressions of
2581 (andcosts): Fix the costs for SHmedia constants.
2582 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
2583 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
2584 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
2585 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
2586 (movv4hi_i, movv2si_i): Likewise.
2587 (movsi_const): Adjust the second operand of ior so to match with
2589 (movdi_const, movdi_const_32bit): Likewise.
2590 (movdi_const_16bit+1): Don't sign-extend LOW.
2591 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
2593 (*double_shori): Fix the split condition. Use GEN_INT instead
2594 of get_int_mode calls. Mask lower 16-bit of the argument of
2596 (sym2GOTPLT): Remove.
2597 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
2599 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
2600 instead of EXTRA_CONSTRAINT_C16.
2602 2006-01-07 Ian Lance Taylor <ian@airs.com>
2603 David Edelsohn <edelsohn@gnu.org>
2605 PR rtl-optimization/25662
2606 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
2607 for constant operands instead of simplify_gen_binary.
2608 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
2609 after trying simplify_binary_operation
2611 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
2613 * tree.c (iterative_hash_expr): Hash decls based on UID.
2615 2006-01-06 Eric Christopher <echristo@apple.com>
2617 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
2618 (TARGET_UNWIND_EMIT): Fix spelling.
2619 * target.h (gcc_target): Add except_table_label.
2620 * except.c (output_function_exception_table): Use.
2621 * varasm.c (default_emit_except_table_label): New.
2622 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
2624 (asm_out): Add here.
2625 * output.h (default_emit_except_table_label): Prototype.
2626 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
2627 * config/darwin.c (darwin_emit_except_table_label): Define.
2628 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
2630 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
2632 PR tree-optimization/18527
2633 * tree-ssa-loop-niter.c (number_of_iterations_cond,
2634 number_of_iterations_special, number_of_iterations_exit):
2635 Move base and step of an iv to a single structure. Add
2636 no_overflow flag, and use it in # of iterations analysis.
2637 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
2638 folded_casts argument.
2639 (simple_iv): Pass base and step in a structure. Set no_overflow
2641 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
2642 Evaluate expensiveness of computing # of iterations instead of
2643 the final expression.
2644 * tree-scalar-evolution.h (affine_iv): New structure.
2645 (simple_iv): Declaration changed.
2646 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
2647 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
2648 find_givs_in_stmt): Changed due to simple_iv change.
2650 2006-01-06 Jeff Law <law@redhat.com>
2653 * tree-cfg.c (bsi_replace): Rename final argument from
2654 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
2655 change (stmt -> orig_stmt).
2656 * tree-eh.c (verify_eh_throw_stmt_node): New function.
2657 (bsi_remove): Add new argument. Remove EH information
2659 (verify_eh_throw_table_statements): New function.
2660 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
2662 * tree-optimize.c (execute_free_cfg_annotations): Verify
2663 the EH throw statement table after removing annotations.
2664 * except.h (verify_eh_throw_table_statements): Prototype.
2665 * tree-flow.h (bsi_remove): Update prototype.
2666 * tree-vrp.c (remove_range_assertions): Add new argument to
2668 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
2669 * tree-complex.c (expand_complex_div_wide): Likewise.
2670 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
2671 * tree-tailcall.c (eliminate_tailcall): Likewise.
2672 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
2673 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
2674 * tree-nrv.c (tree_nrv): Likewise.
2675 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
2676 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
2677 (combine_blocks): Likewise.
2678 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
2679 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
2680 (cleanup_control_flow): Likewise.
2681 (remove_forwarder_block): Likewise.
2682 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
2683 * tree-sra.c (sra_replace): Likewise.
2684 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
2685 (forward_propagate_single_use_vars): Likewise.
2686 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
2687 * tree-inline.c (expand_call_inline): Likewise.
2688 * tree-vect-transform.c (vect_transform_loop): Likewise.
2689 * tree-outof-ssa.c (rewrite_trees): Likewise.
2690 * tree-cfg.c (make_goto_expr_edges): Likewise.
2691 (cleanup_dead_labels): Likewise.
2692 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
2693 (bsi_move_before, bsi_move_after): Likewise.
2694 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
2695 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
2697 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
2700 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
2702 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
2703 on non gimple variables. Also add checks at the top for decls and
2705 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
2707 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
2708 and IMAGPART_EXPR for creating MUST_DEFs.
2709 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
2710 and NAME_MEMORY_TAG separately from the DECLs.
2712 2006-01-06 Richard Guenther <rguenther@suse.de>
2714 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
2715 annotation, if necessary.
2716 * tree-ssa-pre.c (create_expression_by_pieces): Remove
2717 redundant calls to update_stmt.
2718 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
2721 2006-01-05 Richard Henderson <rth@redhat.com>
2723 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
2725 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
2727 * c-typeck.c: Update copyright date.
2729 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
2731 * c-typeck.c (build_c_cast): Always warn when casting
2732 from a pointer to an integer of different size, even if
2733 the node was constant.
2735 2006-01-05 Richard Guenther <rguenther@suse.de>
2737 PR tree-optimization/22555
2738 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
2739 if one structure field is an array.
2740 * tree-ssa-operands.c (get_expr_operands): Continue scanning
2741 operands even if we found a subvar, but ignore VOPs in this
2743 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
2745 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
2747 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
2750 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
2752 2006-01-05 Richard Guenther <rguenther@suse.de>
2753 Diego Novillo <dnovillo@redhat.com>
2755 * tree-pass.h (TODO_remove_unused_locals): Define.
2756 * gimple-low.c (expand_var_p, remove_useless_vars,
2757 pass_remove_useless_vars): Remove. Update all users.
2758 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
2759 (remove_unused_locals): New function.
2760 * tree-flow.h (remove_unused_locals): Declare.
2761 * passes.c (execute_todo): Call remove_unused_locals if
2762 TODO_remove_unused_locals is set.
2763 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
2764 * tree-ssa-dce.c (pass_dce): Likewise.
2765 * tree-outof-ssa.c (pass_del_ssa): Likewise.
2767 2006-01-05 Richard Guenther <rguenther@suse.de>
2769 * tree-flow.h (struct fieldoff): Decompose field to
2770 type, size and decl.
2771 * tree-ssa-alias.c (create_sft): Take type as parameter.
2772 (create_overlap_variables_for): Store type, size and decl
2773 in the fieldoff structure.
2774 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
2776 (push_fields_onto_fieldstack): Likewise.
2777 (create_variable_info_for): Likewise. Use offset for the
2778 SFT name if the decl is not available.
2780 2006-01-04 Paul Brook <paul@codesourcery.com>
2782 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
2784 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
2786 * lambda-code.c (can_put_in_inner_loop): Relax
2788 (can_put_after_inner_loop): New function.
2789 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
2790 (perfect_nestify): Change to make copies and modify uses.
2792 2006-01-04 Richard Henderson <rth@redhat.com>
2794 Merge from gomp branch:
2795 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
2796 via integer constant.
2797 (pragma_lex): Remove.
2798 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
2799 rather than parsing it.
2800 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
2801 handle_pragma_extern_prefix): Add %< %> quotes.
2802 (registered_pragmas): New.
2803 (c_register_pragma_1): New.
2804 (c_register_pragma): Use it.
2805 (c_register_pragma_with_expansion): Likewise.
2806 (c_invoke_pragma_handler): New.
2807 (init_pragma): Use cpp_register_deferred_pragma directly for
2809 * c-pragma.h (enum pragma_kind): New.
2810 (pragma_handler): New.
2811 (c_invoke_pragma_handler): Declare.
2812 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
2814 * c-common.h (c_common_pch_pragma): Update decl.
2815 * Makefile.in (c-parser.o): Update dependencies.
2816 (GTFILES): Add c-pragma.h.
2817 * c-parser.c (struct c_token): Add pragma_kind.
2818 (struct c_parser): Add in_pragma.
2819 (c_lex_one_token): Always initialize keyword and pragma_kind.
2820 Extract data for CPP_PRAGMA.
2821 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
2822 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
2823 Don't allow CPP_PRAGMA_EOL if in_pragma.
2824 (c_parser_consume_pragma): New.
2825 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
2826 (c_parser_skip_to_end_of_parameter): Likewise.
2827 (c_parser_skip_to_end_of_block_or_statement): Likewise.
2828 (c_parser_skip_to_pragma_eol): New.
2829 (c_parser_external_declaration): Handle CPP_PRAGMA.
2830 (c_parser_compound_statement_nostart): Likewise.
2831 (c_parser_statement_after_labels): Likewise.
2832 (c_parser_pragma): New.
2833 (pragma_lex): Likewise.
2834 (c_parser_pragma_pch_preprocess): New.
2835 (c_parser_new): Merge into ...
2836 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
2838 2006-01-04 Jeff Law <law@redhat.com>
2841 * tree-cfg.c (bsi_replace): Remove the original statement
2842 from the EH throw statement table.
2844 2006-01-04 Jakub Jelinek <jakub@redhat.com>
2846 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
2847 make the prototype extern "C" and add throw ().
2850 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
2851 and pos non-negative and pos + len <= 32.
2852 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
2853 drop pos + len < HOST_BITS_PER_WIDE_INT test.
2854 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
2857 * c-common.c (handle_vector_size_attribute): Reject zero vector size
2858 as well as sizes not multiple of component size.
2861 * function.c (instantiate_expr): New function.
2862 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
2863 walk its DECL_VALUE_EXPR with instantiate_expr.
2865 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
2866 DW_OP_deref{,_size} if address isn't going to be added.
2868 2006-01-04 Ben Elliston <bje@au.ibm.com>
2870 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
2871 * config/fp-bit.c: Likewise.
2873 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
2875 * dominance.c: Add comment about why we use DFS numbering
2878 2006-01-03 Jakub Jelinek <jakub@redhat.com>
2879 Richard Henderson <rth@redhat.com>
2881 Merge from gomp-branch:
2882 * varasm.c (assemble_variable): Handle thread-local COMMON data.
2883 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
2885 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
2887 PR rtl-optimization/25578
2888 * combine.c (combine_simplify_rtx, force_to_mode): Don't
2889 pass a parameter to simplify_shift_const if changing ASHIFTRT
2892 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
2894 * builtins.c (get_builtin_sync_mem): New function.
2895 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
2896 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
2897 Call get_builtin_sync_mem to generate mem rtx.
2899 2006-01-03 Richard Guenther <rguenther@suse.de>
2902 * stmt.c (add_case_node): Make sure to clear overflow flags
2905 2006-01-03 Jakub Jelinek <jakub@redhat.com>
2907 Merge from gomp-branch.
2908 * config/sparc/sync.md: New file.
2909 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
2910 UNSPECV_LDSTUB): New constants.
2911 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
2912 * config/sparc/predicates.md (memory_reg_operand): New predicate.
2913 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
2916 2006-01-03 Roger Sayle <roger@eyesopen.com>
2918 * combine.c (reg_subword_p): New predicate to test whether the
2919 destination of a set refers to a subword/piece of a register.
2920 (try_combine): Generalize the code to merge the setting of a
2921 pseudo to a constant followed by a set of a subword of that
2922 register to a constant.
2924 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
2926 * basic-block.h (control_flow_graph): Change the type of
2927 x_label_to_block_map to VEC(basic_block,gc) *.
2928 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
2929 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
2931 * tree-ssa-propagate.c (cfg_blocks): Change the type to
2932 VEC(basic_block,heap) *.
2933 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
2934 ssa_prop_fini): Adjust the uses of cfg_blocks.
2936 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
2938 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
2940 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
2941 hashing trees instead of a pointer hash.
2942 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
2943 compare for MEM_EXPR.
2945 PR rtl-optimization/25130
2946 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
2947 when comparing MEMs for GCSE
2949 2006-01-03 Ben Elliston <bje@au.ibm.com>
2951 * targhooks.h (default_decimal_float_supported_p): Declare.
2952 * targhooks.c (default_decimal_float_supported_p): Define.
2953 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
2954 `default_decimal_float_supported_p'.
2955 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
2957 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
2959 * combine.c (apply_distributive_law <SUBREG>): Check
2960 TRULY_NOOP_TRUNCATION.
2962 2006-01-02 Geoffrey Keating <geoffk@apple.com>
2964 * dwarf2out.c (have_switched_text_section): Delete.
2965 (have_multiple_function_sections): New.
2966 (have_location_lists): Make 'bool'.
2967 (add_AT_loc_list): Use 'true' not '1'.
2968 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
2969 (output_loc_list): Use have_multiple_function_sections.
2970 (output_ranges): Likewise.
2971 (dwarf2out_begin_function): Set have_multiple_function_sections if
2973 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
2974 Check function_section rather than DECL_SECTION_NAME.
2975 (dwarf2out_finish): Use have_multiple_function_sections.
2976 Don't clear have_location_lists.
2978 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
2979 Jan Hubicka <jh@suse.cz>
2981 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
2982 case of conditional jump jumping to the next instruction.
2983 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
2984 cases of conditional jump jumping to the next instruction.
2986 2006-01-02 Jan Hubicka <jh@suse.cz>
2988 * i386.c (*_cost): Add COSTS_N_INSNS.
2989 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
2991 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
2994 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
2996 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2998 * config/arm/arm.c (all_fpus): Fix comment typo.
2999 * config/darwin.c: Likewise.
3000 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
3001 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
3002 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
3004 2006-01-01 David Edelsohn <edelsohn@gnu.org>
3006 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
3007 (rs6000_split_compare_and_swapqhi): New.
3008 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
3009 (sync_compare_and_swapqhi_internal): New.
3010 * config/rs6000/rs6000-protos.h: Declare.
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