1 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
4 constants provided by 80387 instructions in the destination mode.
6 2006-01-26 Richard Guenther <rguenther@suse.de>
7 Andrew Pinski <pinskia@physics.uc.edu>
10 partial PR tree-opt/17064
11 * tree-ssa-structalias.c (intra_create_variable_infos):
12 Create heap variables for incoming parameters if
13 flag_argument_noalias > 1.
14 (find_what_p_points_to): Look through default defs of
17 2006-01-26 Jeff Law <law@redhat.com>
20 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
21 with a VR_ANTI_RANGE and the VR_ANTI_RANGEis completely contained
22 within the VR_RANGE, use the VR_RANGE as the result, not the
24 (adjust_range_with_scev): Reject ranges from SCEV which are out
25 of bounds for the type.
27 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
29 * tree-ssa-alias.c (maybe_create_global_var): Change
30 subvar walking to an assertion that we don't have subvar'd variables.
32 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
35 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
36 Use a new variable, inner. PARM_DECLs are always non-weak.
38 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
40 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
43 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
45 * config/mips/mips.md (*clear_upper32): New combiner pattern.
47 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
49 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
50 (smax_insn, smin_insn, smax_0, smin_0): New.
52 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
55 * config/cris/cris.c (cris_order_for_addsi3): New function.
56 * config/cris/cris-protos.h: Prototype it.
57 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
58 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
59 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
60 (split for "op.S1 [rx=rx+i],ry (swapped)")
61 (split for "op(s|u).S1 [rx=rx+i],ry")
62 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
63 Apply cris_order_for_addsi3 when generating addsi3 insns.
65 2006-01-25 Diego Novillo <dnovillo@redhat.com>
67 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
68 (TREE_BLOCK): Add call to EXPR_CHECK.
70 2006-01-25 Diego Novillo <dnovillo@redhat.com>
73 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
74 * tree-pretty-print.c (dump_omp_clause): Extract from ...
75 (dump_omp_clauses): ... here.
76 (dump_generic_node): Handle OMP_CLAUSE.
77 * tree.c (omp_clause_num_ops): New.
78 (omp_clause_code_name): New.
79 (tree_code_size): Handle OMP_CLAUSE.
80 (tree_size): Likewise.
81 (make_node): Document handling of OMP_CLAUSE.
82 (tree_node_structure): Handle OMP_CLAUSE.
83 (omp_clause_check_failed): New.
84 (omp_clause_range_check_failed): New.
85 (omp_clause_operand_check_failed): New.
86 (build_omp_clause): New.
87 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
88 * tree.h (enum omp_clause_code): Declare.
89 (OMP_CLAUSE_SUBCODE_CHECK): Define.
90 (OMP_CLAUSE_RANGE_CHECK): Define.
91 (OMP_CLAUSE_ELT_CHECK): Define.
92 (omp_clause_check_failed): Declare.
93 (omp_clause_operand_check_failed): Declare.
94 (omp_clause_range_check_failed): Declare.
95 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
96 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
97 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
98 (OMP_CLAUSE_LASTPRIVATE): Likewise.
99 (OMP_CLAUSE_IF_EXPR): Likewise.
100 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
101 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
102 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
103 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
104 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
105 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
106 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
107 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
108 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
109 (OMP_CLAUSE_CODE): Define.
110 (OMP_CLAUSE_SET_CODE): Define.
111 (OMP_CLAUSE_CODE): Define.
112 (OMP_CLAUSE_OPERAND): Define.
113 (struct tree_omp_clause): Declare.
114 (union tree_node): Add field 'omp_clause'.
115 * treestruct.def (TS_OMP_CLAUSE): Define.
116 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
117 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
118 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
119 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
120 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
121 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
122 (OMP_CLAUSE): Define.
123 * print-tree.c (print_node): Handle OMP_CLAUSE.
124 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
125 * c-typeck.c: Likewise.
126 * gimplify.c: Likewise.
128 * tree-nested.c: Likewise.
129 * tree-inline.c: Likewise.
130 * c-parser.c: Likewise.
131 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
134 2006-01-25 Roger Sayle <roger@eyesopen.com>
136 PR rtl-optimization/25703
137 * combine.c (try_combine): Handle zero_extract and strict_low_part
138 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
140 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
142 * global.c: Fix comment typos.
144 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
147 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
148 Use output_addr_const instead of assemble_name.
150 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
152 * Makefile.in (sched-vis.o): Update dependencies.
153 * haifa-sched.c (sched_finish): Clear current_sched_info.
154 * cfg.c (dump_bb_info): New, split from dump_flow_info.
155 (dump_flow_info): Call it.
156 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
158 * basic-block.h (dump_bb_info): Declare.
159 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
160 option, and apply options only for dump files whose TDF_RTL,
161 TDF_TREE, or TDF_IPA bits match.
162 * rtl.h: Declare new functions exported from sched-vis.c.
163 * sched-vis.c: Enable also if scheduling is not used.
164 (print_value): Print the mode of registers if not inside scheduling.
165 (print_insn): Make it work outside the scheduler. Beautify the output
167 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
169 2006-01-25 Richard Sandiford <richard@codesourcery.com>
171 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
172 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
173 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
174 depending on the value of CONSTANT_POOL_ADDRESS_P.
175 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
177 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
178 rather than SYMBOL_REF_DECL.
179 (rtx_constant_pool): Remove const_rtx_sym_htab.
180 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
181 (init_varasm_status): Don't initialize const_rtx_sym_htab.
182 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
183 Remove handling of const_rtx_sym_htab.
184 (find_pool_constant): Delete.
185 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
186 rather than find_pool_constant.
187 (get_pool_constant_for_function): Delete.
188 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
190 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
191 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
192 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
193 (SYMBOL_REF_CONSTANT): New macro.
194 (get_pool_constant_for_function): Delete.
195 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
196 rather than SYMBOL_REF_DECL.
197 (i386_pe_mark_dllimport): Likewise.
198 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
199 rather than SYMBOL_REF_DECL.
200 * config/darwin.c (machopic_indirect_data_reference): Likewise.
201 (machopic_indirect_call_target): Likewise.
203 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
205 * flow.c (delete_noop_moves): Add missing EOL to dump message.
207 2006-01-25 Richard Sandiford <richard@codesourcery.com>
209 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
211 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
213 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
215 2006-01-24 David Daney <ddaney@avtrex.com>
218 * configure.ac (enable_tls): New enable option.
219 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
220 * configure: Regenerate.
221 * doc/install.texi (--enable-tls): Document new option.
222 (--disable-tls): Ditto.
224 2006-01-24 Richard Henderson <rth@redehat.com>
226 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
227 * alias.c (true_dependence): Respect it.
228 (canon_true_dependence, write_dependence_p): Likewise.
229 * builtins.c (get_builtin_sync_mem): Set it.
231 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
233 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
236 2006-01-24 DJ Delorie <dj@redhat.com>
238 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
239 for storing constants in single-bit bitfields.
241 2006-01-25 Ben Elliston <bje@au.ibm.com>
243 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
245 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
248 * tree-ssa-pre.c (phi_translate): Return NULL
249 for AGGREGATE_TYPE's.
251 2006-01-24 Zack Weinberg <zackw@panix.com>
253 * genautomata.c (process_state_for_insn_equiv_partition):
254 Use xcalloc for insn_arcs_array.
255 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
256 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
258 2006-01-24 Richard Henderson <rth@redhat.com>
260 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
263 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
265 PR rtl-optimization/25890
266 PR rtl-optimization/25905
267 * combine.c (expand_compound_operation, expand_field_assignment):
268 Fail if the bitfield's final position is out of bounds.
270 2006-01-24 Ian Lance Taylor <ian@airs.com>
273 * cgraphunit.c (cgraph_output_in_order): Don't clear
274 cgraph_asm_nodes until after asm strings have been output.
276 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
278 * fix-header.c (read_scan_file): Add new parameter imultilib when
279 calling register_include_chains.
281 2006-01-23 Diego Novillo <dnovillo@redhat.com>
283 * omp-low.c: Update documentation.
285 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
286 Daniel Berlin <dberlin@dberlin.org>
290 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
291 return from the function.
293 2006-01-22 Zack Weinberg <zackw@panix.com>
295 * rtl.def (match_code): Add second argument.
296 * genpreds.c (write_extract_subexp): New function.
297 (write_match_code): Add path argument. Use write_extract_subexp.
298 (write_predicate_expr): Pass path to write_match_code.
299 (mark_mode_tests): MATCH_CODE applied to a subexpression does
300 not perform a mode test.
301 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
302 a subexpression does not constrain the top-level code set.
303 * read-rtl.c (read_rtx_variadic): New function.
304 (read_rtx_1): Use it; allow AND and IOR to be variadic.
305 * doc/md.texi: Document new notation.
306 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
307 (cmpsi_operand): ... here, using new notation.
309 2006-01-22 Zack Weinberg <zackw@panix.com>
311 * varray.c: Remove GENERATOR_FILE #ifdefs.
313 2006-01-22 Zack Weinberg <zackw@panix.com>
315 * genautomata.c (output_reserved_units_table): Emit nothing if
316 description->query_units_num is zero. Remove extra blank line.
317 (output_cpu_unit_reservation_p): Short circuit
318 if description->query_units_num is zero.
320 2006-01-22 Zack Weinberg <zackw@panix.com>
322 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
323 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
324 nor any of the random handful of variables that used to be necessary
325 when this program was linked with rtlanal.o. Prune set of forward
326 function declarations.
327 (struct attr_desc): Remove static_p field.
328 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
329 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
330 (attr_string): Do not read the character one past the length of
332 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
333 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
334 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
335 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
336 (make_automaton_attrs): New.
337 (main): Do not call into genautomata. Call local gen_bypass
338 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
339 Remove special case for insn_alts.
340 * genautomata.c: Include gensupport.h; not genattrtab.h nor
341 varray.h (leftover from previous change). Prune set of forward
342 function declarations. Remove state_alts fields from all
343 structures. Remove state_alts_table from struct automaton.
344 Make everything except main static. Do not maintain num_dfa_decls.
345 Do not maintain state_alts fields of various structures.
346 (process_decls): Don't validate condexp for dm_insn_reserv decls.
347 (add_arc): Remove state_alts argument. All callers updated.
348 (output_reserved_units_table): Emit #ifdef here...
349 (output_tables): ...not here. Don't generate state_alts tables.
350 (expand_automata): Don't generate attributes.
351 (write_automata): Don't generate state_alts functions.
352 (main): New function.
353 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
354 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
355 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
356 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
357 (BYPASS_P_FUNC_NAME, output_state_alts_table)
358 (output_automata_list_state_alts_code, output_internal_state_alts_func)
359 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
360 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
362 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
363 * genattrtab.h: Delete file.
364 * Makefile.in (OBJS-common): Add insn-automata.o.
365 (insn-automata.o): New rule.
366 (simple_generated_c): Add insn-automata.c.
367 (build/genattrtab.o, build/genautomata.o): Update dependencies.
368 (genprogmd): Add automata.
369 (build/genattrtab): Needs no extra objects nor libraries.
370 (build/genautomata): Needs build/vec.o and -lm.
372 2006-01-22 Zack Weinberg <zackw@panix.com>
374 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
375 (output_dfa_max_issue_rate, locked_states_num): Delete.
376 (struct automaton): Add locked_states field.
377 (output_dead_lock_vect): Save number of locked states in
378 automaton->locked_states. If it is zero, don't print anything.
379 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
380 (output_internal_dead_lock_func): Only test the dead_lock_vect
381 for automata that have locked states.
382 (output_statistics): Always print the number of locked states for
383 each automaton. Calculate total number of locked states here.
384 (write_automata): Don't call output_dfa_max_issue_rate.
385 * genattrtab.c: Define length_unit_log as a const variable.
386 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
387 max_insn_queue_index const.
388 * final.c (length_unit_log): Declare const.
389 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
391 2006-01-22 Zack Weinberg <zackw@panix.com>
393 * genautomata.c: Include vec.h, not varray.h.
394 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
395 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
396 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
397 VEC_* macros operating on appropriately typed vectors, or to
398 malloced arrays when the size is known in advance. Const-ify
399 many char* variables and function arguments. No functional changes.
400 * Makefile.in (build/varray.o): Delete rule.
401 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
402 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
404 2006-01-22 Zack Weinberg <zackw@panix.com>
406 * gensupport.c: Define get_insn_name and record_insn_name here.
407 (read_md_rtx): Call record_insn_name as appropriate.
408 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
409 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
410 * genpreds.c, genrecog.c: Don't define get_insn_name nor
412 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
413 (BUILD_VARRAY): Delete.
414 (genprognormal): Rename genprogmd. Fold in all programs from
415 genprognoprint; also attrtab.
416 (build/genattrtab): Just mention genautomata.o and varray.o.
417 Reorganize a bit, add comments to make the categories clearer.
419 2006-01-22 Zack Weinberg <zackw@panix.com>
421 * genconditions.c (condition_table, add_condition): Delete.
422 (write_conditions): Don't emit n_insn_conditions nor
423 insn_elision_unavailable. Issue the gcc version #ifdef here,
424 inside the table, with no #else clause ...
425 (write_header): ...not here.
426 (write_writer): New function.
427 (main): Don't initialize condition_table. Use add_c_test.
429 * gensupport.c (init_md_reader_args_cb): Handle multiple input
430 files on the command line.
431 (maybe_eval_c_test): Don't check insn_elision_unavailable.
432 Return -1 if there is no entry in the table, don't abort.
433 (add_c_test, traverse_c_tests): New functions.
434 * gensupport.h (insn_elision_unavailable, insn_conditions)
435 (n_insn_conditions): Delete declarations.
436 (add_c_test, traverse_c_tests): Declare.
437 * read-rtl.c: Include gensupport.h.
438 (read_conditions): New function.
439 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
440 (read_rtx_1): If we get EOF when we were looking for an initial
441 open paren, return 0. Call read_conditions when appropriate.
442 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
443 dummy-conditions.o. Eliminate references to insn-conditions.o,
444 or change them to build/gencondmd.o, as appropriate. Remove
445 insn-constants.h from $(simple_generated_h) and insn-conditions.c
446 from $(simple_generated_c). For all files remaining in those
447 two lists, add insn-conditions.md to the generator command line.
448 Give insn-constants.h/s-constants their own rules. Add rules
449 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
450 (build/read-rtl.o): Depend on gensupport.h.
451 (genprognormal): Include preds.
452 (genprogearly): Rename genprognoprint; only difference is now that
453 they don't link with $(BUILD_PRINT).
454 * dummy-conditions.c: Delete.
456 2006-01-22 Zack Weinberg <zackw@panix.com>
458 * genextract.c: Don't include insn-config.h. Do include vec.h.
459 Declare vectors of int, char, and locstr.
460 (locstr): New typedef.
461 (struct extraction): Make all array fields into bare pointers.
462 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
463 (insn_code_number): Delete.
464 (accum_extract): New struct.
465 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
466 (gen_insn): Take insn_code_number as an argument. Use an
467 accum_extract structure instead of loading data directly into
468 a struct extraction, and having to know how big it might get.
469 (walk_rtx): Operate entirely on an accum_extract structure.
470 (print_path): Avoid unnecessary use of printf.
471 (print_header): New function, split out of main. Distinguish
472 more carefully between an unrecognizable insn and an insn that
473 has the code number of a define_expand.
474 (main): Pass insn_code_number to gen_insn. Call print_header
475 only after parsing. Avoid unnecessary use of printf.
476 * Makefile.in (build/vec.o): New rule.
477 (build/genextract): Depend on build/vec.o.
478 (build/genextract.o): Don't depend on insn-config.h.
480 2006-01-22 Zack Weinberg <zackw@panix.com>
482 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
483 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
484 practical. Eliminate per-generator-program link rules.
486 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
489 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
490 with a call expr to ...
491 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
493 2006-01-23 Richard Guenther <rguenther@suse.de>
495 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
496 before make_edge with conditional EDGE_TRUE_VALUE.
498 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
499 Jan Hubicka <jh@suse.cz>
500 Richard Guenther <rguenther@suse.de>
502 PR rtl-optimization/25654
503 * cfgexpand.c (aggregate_contains_union_type): New function.
504 (add_alias_set_conflicts): Call it. Make sure to add conflicts
505 for structure variables that contain a union type.
507 2006-01-23 Richard Sandiford <richard@codesourcery.com>
509 * gengtype.c (new_structure): Return the structure.
510 (create_option): Add an extra "next" argument.
511 (create_field): New function.
512 (adjust_field_rtx_def): Use create_option and create_field.
513 Remove a now-unnecessary call to find_structure.
514 (adjust_field_tree_def): Likewise.
515 (note_yacc_type): Remove an unnecessary call to find_structure.
516 * gengtype.h (new_structure): Return the structure.
517 (create_option): Add an extra argument.
518 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
519 (option): Adjust calls to create_option.
521 2006-01-22 David Edelsohn <edelsohn@gnu.org>
523 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
525 2006-01-22 Paul Brook <paul@codesourcery.com>
526 Peter Barada <peter@the-baradas.com>
528 * config/m68k/m68k.md: Add Coldfire FPU support.
529 Define FP mode macro and associated attributes.
530 Use it for float mode patterns.
531 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
532 (LIBCALL_VALUE): Use m68k_libcall_value.
533 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
534 (m68k_function_value): Ditto.
535 (emit_move_sequence): Ditto.
536 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
537 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
538 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
539 (MULTILIB_EXCEPTIONS): Ditto.
540 * config/m68k/m68k.opt: Add mcfv4e.
541 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
542 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
543 (m68k_output_function_prologue): Save ColdFire FPU registers.
544 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
545 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
546 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
547 ColdFire FPU registers.
548 (m68k_libcall_value, m68k_function_value): New functions.
549 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
550 (LIBCALL_VALUE): Use m68k_libcall_value.
551 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
552 (MASK_COLDFIRE): Add MASK_CFV4E.
553 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
554 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
555 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
556 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
557 (GO_IF_LEGITIMATE_ADDRESS): Use it.
558 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
559 * doc/invoke.tex: Document -mcfv4e on m68k.
561 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
563 * doc/contribute.texi: Change CVS to SVN and update the corresponding
566 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
569 * c-opts.c (c_common_handle_option): Don't include
570 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
571 * doc/invoke.texi (C++ Dialect Options): Document that
572 -Wnon-virtual-dtor is no longer included in -Wall.
574 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
576 * gcov.c (print_version), gcov-dump.c (print_version),
577 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
580 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
582 * df-scan.c (problem_SCAN): Added NULL reset function.
583 (df_scan_reset_blocks): Added code to call reset block function
584 (df_bb_refs_delete) Fixed comment.
585 (df_insn_refs_delete): Made tolerant of deleting non existent info
586 for dataflow problems that need to be reset.
587 * df-core.c (df_set_blocks): Ditto.
588 * df.h (struct df_problem): Added reset_fun.
589 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
590 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
591 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
592 functions to clear out all references to def-use or use-def chains.
594 2006-01-21 Ben Elliston <bje@au.ibm.com>
596 * varasm.c (assemble_real): Initialise data array.
598 2006-01-20 Paul Brook <paul@codesourcery.com>
600 Merge from csl-arm-branch.
601 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
602 * config/arm/arm.md (movdi): Force operands[1] to a register
603 if we have a non-register source.
604 (*arm_movdi, *movdf_soft_insn): Require that one of the
605 operands be a register.
606 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
607 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
609 2006-01-20 DJ Delorie <dj@redhat.com>
611 * varasm.c (initialize_constant_valid_p): Allow pointers
612 initialized from integer constants of lesser precision.
613 (output_constant): Allow non-int-sized pointer modes to be
614 initialized from integer constants.
616 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
619 * cppdefault.h (struct default_include): Add multilib flag.
620 * cppdefault.c (cpp_include_defaults): Set it.
621 * c.opt (-imultilib): New option.
622 * c-opts.c (imultilib): New.
623 (c_common_handle_option): Handle -imultilib.
624 (c_common_post_options): Likewise.
625 * c-incpath.c (add_standard_paths, register_include_chains):
627 * c-incpath.h (register_include_chains): Add extra parameter.
628 * gcc.c (do_spec_1): Generate -imultilib option.
629 (The Specs Language): Update %I description.
630 (process_command): Update copyright notice.
631 * doc/cppopts.texi (-imultilib): Document.
632 * doc/invoke.texi (-imultilib): Include in option summary.
633 (%I): Update specs documentation.
635 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
637 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
639 2006-01-20 Richard Sandiford <richard@codesourcery.com>
641 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
644 2006-01-20 Richard Guenther <rguenther@suse.de>
645 Steven Bosscher <stevenb.gcc@gmail.com>
647 PR rtl-optimization/24626
648 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
649 EDGE_TRUE_VALUE if in RTL mode.
652 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
653 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
655 2006-01-20 Dirk Mueller <dmueller@suse.com>
658 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
659 instead of a special NOP marker.
660 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
662 * c-common.h (empty_body_warning): Add forward declaration.
663 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
664 Now uses IS_EMPTY_STMT() instead of special NOP markers.
666 2006-01-20 Paul Brook <paul@codesourcery.com>
668 * Makefile.in (lang_checks): Keep going if mkdir fails.
670 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
672 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
673 be able to clean out basic block when not necessary.
674 (df_scan_free): Fixed to properly delete information if df is
675 unused before calling df_finish.
676 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
677 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
679 (df_bb_refs_delete): New function.
680 (df_refs_delete): Moved per block code to df_bb_refs_delete.
681 * df-core.c (df_set_blocks): Added code to properly clean out
682 unused blocks if they are not part of the blocks to consider.
683 Added additional null check.
684 (df_compact_blocks): Added basic block parameter to free_bb_fun to
685 be able to clean out basic block when not necessary
686 * df.h (df_free_bb_function): Ditto.
687 (df_bb_refs_delete): New function.
688 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
689 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
690 basic block parameter to be able to clean out basic block when not
692 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
693 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
694 Fixed to properly delete information if df is unused before
697 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
699 PR rtl-optimization/25799
700 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
701 Corrected confluence operator to remove bits from op2 before oring
702 with op1 rather than removing bits from op1.
703 (df_ru_transfer_function): Corrected test on wrong bitmap which
704 caused infinite loop. Both of these problems were introduced in
705 the dataflow rewrite.
707 2006-01-19 DJ Delorie <dj@redhat.com>
709 * reload1.c (find_reload_regs): Note the details of reload
710 failures in the dump file.
711 (spill_failure): Likewise.
713 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
715 * loop-iv.c: Include df.h and hashtab.h.
716 (enum iv_grd_result): New enum.
717 (DF_REF_IV, DF_REF_IV_SET): New macros.
718 (struct biv_entry): New.
719 (df, bivs): New global variables.
720 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
721 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
723 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
724 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
725 analyzed_for_bivness_p, record_biv): New functions.
726 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
727 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
728 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
730 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
732 (iv_number_of_iterations): Use new interface to iv analysis.
733 * loop-unroll.c: Do not include varray.h.
734 (analyze_iv_to_split_insn): Use new interface to iv
736 * loop-unswitch.c (may_unswitch_on): Ditto.
737 * df.c (df_bitmaps_free): Only work for bbs for that structures are
739 (df_bb_modify): Realloc tables to the new index.
740 (df_find_use): New function.
741 * df.h (df_find_use): Declare.
742 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
744 * cfgloop.h (struct rtx_iv): Remove analysed field.
745 (iv_get_reaching_def): Removed.
746 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
747 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
748 (loop-iv.o): Add df.h and hashtab.h dependency.
749 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
751 2006-01-20 Alan Modra <amodra@bigpond.net.au>
753 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
755 (__floatundisf, __floatundidf): Likewise.
756 * libgcc2.h (IS_IBM_EXTENDED): Define.
758 2006-01-19 DJ Delorie <dj@redhat.com>
760 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
762 2006-01-19 Paul Brook <paul@codesourcery.com>
764 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
765 as nothrow when unwinding tables are disabled.
767 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
770 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
771 of bit-field" when in system header.
773 2006-01-19 DJ Delorie <dj@redhat.com>
775 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
776 the 16 bit shift limit of the m16c.
778 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
781 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
782 * config/i386/i386.c (output_set_got): Output the label if we have one
783 for the TARGET_DEEP_BRANCH_PREDICTION case.
785 2006-01-19 Jan Hubicka <jh@suse.cz>
786 H.J. Lu <hongjiu.lu@intel.com>
787 Evandro Menezes <evandro.menezes@amd.com>
789 * invoke.texi (generic): Document
791 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
792 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
793 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
794 (x86_use_incdec, x86_pad_returns): New variables
795 (TARGET_CPU_DEFAULT_generic): New constant
796 (TARGET_CPU_DEFAULT_NAMES): Add generic.
797 (enum processor_type): Add generic32 and generic64.
798 * i386.md (cpu attribute): Add generic32/generic64
799 (movhi splitter): Behave sanely when both partial_reg_dependency and
800 partial_reg_stall are set.
801 (K8 splitters): Enable for generic as well.
802 * predicates.md (incdec_operand): Use TARGET_INCDEC
803 (aligned_operand): Avoid memory mismatch stalls.
804 * athlon.md: Enable for generic64, new patterns for 128bit moves.
805 * ppro.md: Enable for generic32
806 * i386.c (generic64_cost, generic32_cost): New.
807 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
808 (x86_use_leave): Enable for generic64. (x86_use_sahf,
809 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
810 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
811 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
812 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
813 x86_partial_reg_dependency, x86_memory_mismatch_stall,
814 x86_accumulate_outgoing_args, x86_prologue_using_move,
815 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
816 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
818 (x86_use_incdec, x86_pad_returns): New.
819 (override_options): Add generic32 and generic64, translate "generic"
820 to generic32/generic64 and "i686" to "generic32", refuse
821 "generic32"/"generic64" as arch target.
822 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
823 (ix86_reorg): Honor PAD_RETURNS.
825 2006-01-19 Diego Novillo <dnovillo@redhat.com>
827 * tree-pretty-print.c (dump_generic_node): Handle
828 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
829 * cgraph.c (cgraph_expand_queue): Rename from
830 cgraph_analyze_queue. Update all users.
831 * cgraphunit.c (cgraph_assemble_pending_functions): Process
833 (cgraph_expand_all_functions): Likewise.
834 (cgraph_finalize_pending_functions): Remove. Update callers.
836 * tree.h (OMP_DIRECTIVE_P): Define.
837 (OMP_PARALLEL_FN): Define.
838 (OMP_PARALLEL_DATA_ARG): Define.
839 (OMP_SECTIONS_SECTIONS): Define.
840 * tree-pass.h (pass_expand_omp): Declare.
841 * omp-low.c (struct omp_region): Declare.
842 (struct omp_context): Remove fields 'parallel_type',
843 'parallel_start_ix' and 'parallel_start_additional_args'.
845 (struct omp_for_data): Rename from struct expand_omp_for_data.
846 (omp_regions): New static variable.
847 (root_omp_region): New static variable.
848 (find_omp_clause): Make static.
849 (is_in_combined_parallel_ctx): Remove.
850 (is_combined_parallel): New.
851 (extract_omp_for_data): Move earlier in the file.
852 (workshare_safe_to_combine_p): New.
853 (get_ws_args_for): New.
854 (determine_parallel_type): Move earlier in the file.
855 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
857 (omp_copy_decl): Likewise.
858 (create_omp_child_function): Likewise.
859 (lookup_omp_region): New.
860 (dump_omp_region): New.
861 (debug_omp_region): New.
862 (debug_all_omp_regions): New.
863 (new_omp_region): New.
864 (scan_omp_parallel): If parallel_nesting_level > 1, the
865 directive is nested within another parallel directive.
867 (scan_omp_for): Do not try to handle combined parallel+for
869 Remove FIXME comment.
870 (scan_omp_nested): Remove.
871 (scan_omp_1): Do not call scan_omp_nested when
872 parallel_nesting_level is > 1.
873 Do not change the DECL_CONTEXT of local variables found.
874 (lookup_decl_in_outer_ctx): New.
875 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
876 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
877 (lower_reduction_clauses): Rename from expand_reduction_clauses.
878 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
879 If CTX is nested, lookup VAR in the outer context when
880 building copy assignment.
881 (lower_send_clauses): Rename from expand_send_clauses.
882 If CTX is nested, lookup VAR in the outer context when
883 building copy assignments.
884 (lower_send_shared_vars): Rename from expand_send_shared_vars.
885 If CTX is nested, lookup VAR in the outer context when
886 building copy assignments.
887 (expand_parallel_call): Rename from build_parallel_call.
888 Handle combined parallel+workshare cases.
889 Re-implement to emit code into the CFG.
891 (expand_omp_parallel): Re-implement to emit code into the CFG.
892 Call move_sese_region_to_fn to outline the sub-graph
893 containing the parallel region.
894 (expand_omp_for_1): Remove.
895 (expand_omp_for_generic): Re-implement to emit code into the
897 (expand_omp_for_static_nochunk): Likewise.
898 (expand_omp_for_static_chunk): Likewise.
899 (expand_omp_for): Likewise.
900 (expand_omp_sections): Likewise.
901 (remove_exit_barriers): New.
902 (expand_omp_synch): New.
904 (build_omp_regions_1): New.
905 (build_omp_regions): New.
906 (execute_expand_omp): New.
907 (gate_expand_omp): New.
908 (pass_expand_omp): Define.
909 (lower_omp_sections): Rename from expand_omp_sections.
910 Set OMP_SECTIONS_SECTIONS.
911 (lower_omp_single_simple): Rename from expand_omp_single_simple.
912 (lower_omp_single_copy): Rename from expand_omp_single_copy.
913 (lower_omp_single): Rename from expand_omp_simple.
914 (lower_omp_master): Rename from expand_omp_master.
915 (lower_omp_ordered): Rename from expand_omp_ordered.
916 (lower_omp_critical): Rename from expand_omp_critical.
917 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
918 (lower_omp_for): Re-implement.
919 (lower_omp_parallel): Re-implement.
920 (lower_regimplify): Rename from expand_regimplify.
921 (lower_omp_1): Rename from expand_omp_1.
922 If there are syntax errors in the program, replace every
923 OpenMP directive with NOP.
924 Call lower_omp_* instead of expand_omp_*.
925 (lower_omp): Rename from expand_omp.
927 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
928 * tree-gimple.h (enum omp_parallel_type): Remove.
929 (gimple_boolify): Declare extern.
930 (find_omp_clause, determine_parallel_type): Remove.
932 * gimple-low.c (lower_omp_directive): New.
933 (lower_stmt): Call it.
934 (record_vars_into): Move from ...
935 (record_vars): ... here.
936 Call record_vars_into with current_function_decl.
938 * gimplify.c (struct gimplify_ctx): Remove fields
939 combined_pre_p and combined_ctxp. Update users.
940 (get_formal_tmp_var): Add documentation.
941 (gimple_boolify): Make extern.
942 (gimplify_expr_in_ctx): Remove. Update callers.
943 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
944 will always be a BIND_EXPR.
945 (gimplify_expr): Handle OMP_RETURN_EXPR.
946 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
947 (OMP_PARALLEL): Add 3 operands.
948 (OMP_SECTIONS): Add 1 operand.
949 (OMP_RETURN_EXPR): Define.
951 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
952 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
953 * tree-iterator.c (alloc_stmt_list): Assert that we are not
954 creating a circular free list.
955 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
957 * tree-flow.h (move_sese_region_to_fn): Declare.
958 (record_vars_into): Declare.
959 * tree-cfg.c (make_omp_sections_edges): New.
960 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
961 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
962 OMP_SECTIONS and OMP_SECTION.
963 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
964 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
965 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
966 (gather_blocks_in_sese_region): New.
967 (struct move_stmt_d): Declare.
969 (move_block_to_fn): New.
970 (move_sese_region_to_fn): New.
972 * passes.c (init_optimization_passes): Schedule
973 pass_expand_omp after pass_init_datastructures.
975 * tree-ssa-operands.c (get_expr_operands): Handle
976 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
977 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
979 2006-01-19 Jeff Law <law@redhat.com>
981 * tree-vrp.c (extract_range_from_assert): Refine the result range
982 if the variable referenced by the ASSERT_EXPR has a range and
983 either the tentative result range or the previous range is a
986 2006-01-19 Richard Sandiford <richard@codesourcery.com>
988 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
990 2006-01-19 Jan Hubicka <jh@suse.cz>
992 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
994 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
996 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
997 (expand_compound_operation, expand_field_assignment): Fail if the
998 bit lengths of an extract operation are out of range.
999 (make_extraction): Compute wanted_inner_mode based on the position
1000 and length of the extraction. Make it extraction_mode for non-constant
1001 positions, and do not modify offset in that case. When generating a
1002 new MEM, use a mode that can hold the extraction while keeping correct
1003 alignment. Remove code that supported MEMs wrapped by USEs.
1004 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
1006 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
1008 * config/s390/s390.md ("Y", "y"): New mode attribute.
1009 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1010 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
1011 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
1012 "*addsi3_imm_cc", "*addsi3_carry1_cc",
1013 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
1014 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
1015 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
1016 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
1017 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
1018 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
1019 "addsi3", "subsi3"): Insn patterns removed.
1020 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
1021 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
1022 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
1023 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
1024 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
1025 "*sub<mode>3_cconly2"): New insn patterns.
1026 ("addsi3", "subsi3"): New expanders.
1028 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
1030 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
1031 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
1032 existing STMT_VINFO_VECTYPE if available.
1033 (vect_mark_relevant): Add special handling for stmts that are
1034 marked as STMT_VINFO_IN_PATTERN_P.
1035 (vect_analyze_loop): Call vect_pattern_recog.
1036 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1037 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
1039 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
1040 (vect_recog_func_ptr): New function-pointer type.
1041 * tree-vect-patterns.c: New file.
1042 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
1043 (vect_recog_dot_prod_pattern, vect_pattern_recog):
1044 (vect_pattern_recog_1): New functions.
1045 (vect_pattern_recog_funcs): New array of function pointers.
1047 * tree-vectorizer.h (ternary_op): New enum value.
1048 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
1049 declaration. Revised documentation. Removed redundant dump prints.
1050 Removed redundant argument. Added support for reduction patterns.
1051 (vectorizable_reduction): Added support for reduction patterns.
1052 (vect_transform_stmt): Added support for patterns.
1054 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
1055 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
1056 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
1057 (expand_widen_pattern_expr): New function.
1058 (init_optabs): Initialize new optabs udot_prod_optab,
1060 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
1061 (sdot_prod_optab, udot_prod_optab): Define new optabs.
1062 (expand_widen_pattern_expr): New function declaration.
1063 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
1065 * tree-inline.c (estimate_num_insns_1): Added cases for new
1066 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1067 * tree-pretty-print.c (dump_generic_node): Likewise.
1068 (op_prio): Likewise.
1069 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1070 * tree-ssa-operands.c (get_expr_operands): Added case for
1072 * tree-vect-patterns.c (widened_name_p): New function.
1073 (vect_recog_dot_prod_pattern): Added function implementation.
1074 * tree-vect-transform.c (get_initial_def_for_reduction): Added
1075 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
1076 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
1077 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
1079 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
1080 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
1081 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
1082 (init_optabs): Initialize new optabs widen_ssum_optab,
1084 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
1085 (widen_ssum_optab, widen_usum_optab): Define new optabs.
1086 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
1087 use instead of type of def.
1088 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
1089 function implementation.
1090 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
1091 widen_ssumv8hi): New.
1093 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
1096 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1099 * c-decl.c (add_flexible_array_elts_to_size): New function.
1100 (finish_decl): Use it.
1102 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
1104 * diagnostic.h: Include options.h.
1105 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
1106 dependancies for diagnostic.h.
1107 * Makefile.in (DIAGNOSTIC_H): Add options.h.
1109 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
1111 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
1112 (ssa_ro_call_cache_valid): Ditto.
1113 * tree-ssa-alias.c (sort_tags_by_id): New function.
1114 (init_transitive_clobber_worklist): Ditto.
1115 (add_to_worklist): Ditto.
1116 (mark_aliases_call_clobbered): Ditto.
1117 (compute_tag_properties): Ditto.
1118 (set_initial_properties): Ditto.
1119 (compute_call_clobbered): Ditto.
1120 (compute_may_aliases): Call compute_call_clobbered and grouping.
1121 (compute_flow_sensitive_aliasing): Remove clobbering related code.
1122 (compute_flow_insensitive_aliasing): Grouping now happens in our
1124 (setup_pointers_and_addressables): Remove clobbering related code.
1125 (add_may_alias): Ditto.
1126 (replace_may_alias): Ditto.
1127 (get_nmt_for): Ditto.
1128 (create_global_var):
1129 (is_escape_site): Return an escape_type enumeration.
1130 * tree-flow-inline.h (is_call_clobbered): Global var does not
1131 imply call clobbered.
1132 (mark_call_clobbered): Take a reason for marking this. Remove
1133 marking of globalness, and cache invalidation.
1134 (clear_call_clobbered): Remove cache invalidation code.
1135 * tree-dfa.c (dump_variable): If details is on, dump the reason
1137 * tree-outof-ssa.c (create_temp): Copy escape mask from original
1139 * tree-flow.h (struct ptr_info_def): Add escape mask member.
1140 (struct var_ann_d): Ditto.
1141 (enum escape_type): New.
1142 (mark_call_clobbered): Adjust prototype.
1143 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
1144 are never call clobbered.
1145 Record reasons for escaping.
1146 * tree-ssa-structalias.h (is_escape_site): Update prototype.
1147 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
1148 (ssa_ro_call_cache_valid): Ditto.
1149 (clobbered_v_may_defs): Ditto.
1150 (clobbered_vuses): Ditto.
1151 (ro_call_vuses): Ditto.
1152 (clobber_stats): New.
1153 (init_ssa_operands): Zero out clobber stats.
1154 (fini_ssa_operands): Print out clobber stats.
1155 (get_call_expr_operands): Pass callee fndecl to
1157 (add_call_clobber_ops): Remove use of cache.
1158 Add use of PURE_CONST information.
1159 (add_call_read_ops): Remove use of cache.
1160 Add use of static not_read information.
1162 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
1164 Introduce TLS descriptors for i386 and x86_64.
1165 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
1166 (TARGET_ANY_GNU_TLS): New macro.
1167 (enum tls_dialect): Added TLS_DIALECT_GNU2.
1168 (struct machine_function): Add tls_descriptor_call_expanded_p.
1169 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
1170 (ix86_current_function_calls_tls_descriptor): Likewise.
1171 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
1172 (override_options): Introduce gnu2 tls dialect.
1173 (ix86_frame_pointer_required): Functions containing TLSCALLs are
1175 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
1177 (legitimize_tls_address): Adjust logic for GNU2 TLS.
1178 (ix86_init_machine_status): Initialize new field.
1179 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
1180 (ix86_tls_module_base): New.
1181 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
1182 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
1183 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
1184 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
1185 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
1186 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
1187 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
1188 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
1189 * config/i386/predicates.md (tls_modbase_operand): New.
1190 (tp_or_register_operand): New.
1192 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
1194 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
1195 (look_for_address_of): Ditto.
1196 (ipa_init): Walk the function decls.
1197 (static_execute): Don't set readonly on FUNCTION_DECL's.
1199 2006-01-18 Roger Sayle <roger@eyesopen.com>
1201 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
1202 for shifts where the source and destination registers are different.
1204 2006-01-18 Paul Brook <paul@codesourcery.com>
1206 Merge from csl-arm-branch.
1207 2005-03-14 Julian Brown <julian@codesourcery.com>
1208 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
1209 (aeabi_llsl): Likewise.
1210 (ashrdi3): Likewise.
1211 (aeabi_lasr): Likewise.
1212 (lshrdi3): Likewise.
1213 (aeabi_llsr): Likewise.
1214 2005-03-10 Julian Brown <julian@codesourcery.com>
1215 * config.gcc: Disable shared libgcc for SymbianOS.
1216 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
1218 2006-01-18 DJ Delorie <dj@redhat.com>
1220 * c-pragma.c (handle_pragma_diagnostic): New.
1221 (init_pragma): Register it.
1222 * doc/extend.texi: Document it.
1224 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
1225 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
1226 (diagnostic_context): Add classify_diagnostic[].
1227 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
1228 as errors if they're overridden to DK_WARNING.
1229 (diagnostic_initialize): Initialize classify_diagnostic[].
1230 (diagnostic_set_kind_override): New.
1231 (diagnostic_report_diagnostic): Check for kind changes.
1232 * opts.c (common_handle_option): Take lang_mask. Update callers.
1234 * common.opt (Werror=): New.
1235 * doc/invoke.texi: Document -Werror=*
1237 2006-01-18 Jeff Law <law@redhat.com>
1239 * tree-vrp.c (test_for_singularity): Correct test for new
1240 min limit. Use operand_equal_p rather than pointer equality
1241 for testing if new min/max values are equal.
1243 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
1244 using range information until after propagation and folding.
1246 2006-01-18 Richard Henderson <rth@redhat.com>
1247 Aldy Hernandez <aldyh@redhat.com>
1248 Jakub Jelinek <jakub@redhat.com>
1249 Diego Novillo <dnovillo@redhat.com>
1251 * omp-low.c: New file.
1252 * c-omp.c: New file.
1254 2006-01-18 Richard Henderson <rth@redhat.com>
1255 Jakub Jelinek <jakub@redhat.com>
1256 Diego Novillo <dnovillo@redhat.com>
1258 * doc/invoke.texi: Document -fopenmp.
1259 * tree-dump.h (debug_function): Declare.
1260 * hooks.c (hook_bool_tree_bool_false): New function.
1261 (hook_tree_tree_null): Remove.
1262 (hook_tree_tree_tree_null): New.
1263 * hooks.h: Update to match.
1264 * tree-pretty-print.c (debug_tree_chain): New.
1265 (print_generic_expr): Handle TDF_CHAIN.
1266 (dump_generic_node): Handle BLOCK.
1267 Do not abort with incomplete SWITCH_EXPRs.
1268 Do not dump body of an OpenMP directive if TDF_SLIM is given.
1269 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
1270 print space after directive name.
1271 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
1272 Handle OMP_MASTER and OMP_ORDERED.
1273 Handle printing of OMP_BODY just in one place, goto
1274 dump_omp_body in the rest of OMP_* nodes that have
1276 Don't handle clause nodes here. Update omp statements to
1277 use dump_omp_clauses.
1278 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
1279 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
1280 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
1281 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
1282 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
1283 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
1284 Adjust output for GOMP_PARALLEL.
1285 (dump_omp_clauses): New.
1286 (print_declaration): Dump DECL_VALUE_EXPR.
1287 (op_symbol_1): Split out of op_symbol.
1288 (dumping_stmts): Remove. Update all users.
1289 * cgraph.c (cgraph_analyze_queue): New.
1290 (cgraph_add_new_function): New.
1291 * cgraph.h (cgraph_analyze_queue): Declare.
1292 (cgraph_add_new_function): Declare.
1293 (cgraph_lower_function): Remove.
1294 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
1295 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
1296 and TYPE_P nodes in its default clause.
1297 (empty_body_p): New.
1298 (tree_range_check_failed): New.
1300 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
1301 OMP_CLAUSE_REDUCTION_MERGE,
1302 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
1303 OMP_CLAUSE_PRIVATE_DEBUG,
1304 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
1305 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
1306 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
1307 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
1308 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
1309 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
1310 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
1311 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
1312 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
1313 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
1314 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
1315 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
1316 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
1317 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
1318 (TREE_RANGE_CHECK): New.
1319 (empty_body_p): Declare.
1320 (enum omp_clause_default_kind): New.
1321 (build_string_literal): Declare.
1322 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
1323 (build5_stat, build5): Declare.
1324 * tree-pass.h (TDF_CHAIN): Define.
1325 * tree-pass.h (PROP_gimple_lomp): Define.
1326 (pass_lower_omp): Declare.
1327 * diagnostic.h (debug_tree_chain): Declare.
1328 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
1330 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
1331 * builtins.c (build_string_literal): Make extern.
1332 * gcc.c (include_spec_function): New.
1333 (static_spec_functions): Add it.
1334 (main): Move load of libgomp.spec ...
1335 (LINK_COMMAND_SPEC): ... here.
1336 (link_gomp_spec): New.
1337 (static_specs): Include it.
1338 (LINK_COMMAND_SPEC): Add link_gomp.
1339 (GOMP_SELF_SPECS): New.
1340 (driver_self_specs): Include it.
1341 (switch_matches): Don't mark inline.
1342 (main): Load libgomp.spec.
1343 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
1344 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
1345 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
1346 * tree-gimple.h (enum omp_parallel): Declare.
1347 (determine_parallel_type): Declare.
1348 (omp_firstprivatize_variable): Declare.
1349 (omp_reduction_init): Declare.
1350 (diagnose_omp_structured_block_errors): Declare.
1351 (struct walk_stmt_info): Add want_return_expr.
1352 (struct walk_stmt_info): Add want_bind_expr, want_locations.
1353 (find_omp_clause): Declare.
1354 (insert_field_into_struct): Declare.
1355 (struct walk_stmt_info): Move from tree-nested.c
1356 (walk_stmts): Declare.
1357 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
1359 * cgraphunit.c (cgraph_lower_function): Make static.
1360 (cgraph_finalize_pending_functions): New.
1361 (cgraph_finalize_function): Call it.
1362 (cgraph_finalize_compilation_unit): Likewise.
1363 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
1364 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
1365 (BT_FN_UINT_UINT): New.
1366 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
1367 DEF_FUNCTION_TYPE_VAR_4): Document.
1368 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
1369 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
1370 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
1371 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
1372 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
1373 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
1374 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
1375 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
1376 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
1377 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
1378 into separate files.
1379 (DEF_GOMP_BUILTIN): New.
1380 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
1381 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
1382 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
1383 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
1384 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
1385 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
1386 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
1387 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
1388 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
1389 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
1390 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
1391 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
1392 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
1393 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
1394 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
1395 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
1396 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
1397 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
1398 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
1399 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
1400 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
1401 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
1402 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
1403 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
1404 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
1405 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
1406 * sync-builtins.def: New file, moved from builtins.def.
1407 * omp-builtins.def: New file, moved from builtins.def.
1408 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
1409 * gimple-low.c (lower_function_body): Clear data.
1410 (lower_stmt): Do not handle COMPOUND_EXPR.
1411 Remove call to print_node_brief.
1412 * c-tree.h (c_finish_omp_clauses): New prototype.
1413 (C_DECL_THREADPRIVATE_P): Define.
1414 (lookup_name_no_remap, c_omp_remap_private): Remove
1415 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
1416 (check_for_loop_decls): Update decl.
1417 (lookup_name_no_remap, c_omp_remap_private): Declare.
1418 (build_indirect_ref, build_modify_expr, pushdecl,
1419 pushdecl_top_level): Move to c-common.h.
1420 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
1421 before the switch, but just in the 2 places that need it.
1422 * c-decl.c (diagnose_mismatched_decls): Do not check for
1423 mismatched thread-local attributes when OLDDECL is marked
1424 threadprivate and NEWDECL has no thread-local attributes.
1425 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
1426 (c_gimple_diagnostics_recursively): Rename from
1427 c_warn_unused_result_recursively. Invoke
1428 diagnose_omp_structured_block_errors.
1429 (check_for_loop_decls): Return a singular decl found.
1430 * langhooks.c (lhd_omp_predetermined_sharing): Return
1431 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
1432 (lhd_omp_firstprivatize_type_sizes): New.
1433 (lhd_omp_assignment): New.
1434 (lhd_omp_predetermined_sharing): New.
1435 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
1436 (struct lang_hooks_for_types): Add
1437 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
1438 omp_predetermined_sharing, omp_disregard_value_expr,
1439 omp_private_debug_clause, omp_clause_default_ctor,
1440 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
1441 (c_finish_omp_clauses): New.
1442 (c_finish_bc_stmt): Diagnose break within omp for.
1443 (c_begin_omp_parallel, c_finish_omp_parallel): New.
1444 (build_unary_op): Return error_mark after reporting
1446 (build_modify_expr): Likewise.
1447 * gimplify.c: Include optabs.h and pointer-set.h.
1448 (enum gimplify_omp_var_data): Declare.
1449 (struct gimplify_omp_ctx): Declare.
1450 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
1452 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
1453 (push_gimplify_context, pop_gimplify_context): Allow nesting.
1454 (splay_tree_compare_decl_uid): New.
1455 (new_omp_context): New.
1456 (delete_omp_context): New.
1457 (gimple_add_tmp_var): Call omp_add_variable.
1458 (gimplify_bind_expr): Likewise.
1459 (gimplify_var_or_parm_decl): If omp_notice_variable returned
1460 true, disregard DECL_VALUE_EXPR on the decl if any.
1461 (gimplify_expr_in_ctx): New.
1462 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
1463 omp_add_variable, omp_notice_variable, omp_is_private
1464 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
1465 gimplify_adjust_omp_clauses, gimplify_omp_parallel
1466 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
1467 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
1468 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
1469 gimplify_omp_atomic): New.
1470 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1471 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1472 OMP_CRITICAL and OMP_ATOMIC.
1473 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
1474 * c-pragma.h (enum pragma_kind): Add
1475 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
1476 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
1477 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
1478 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
1479 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
1480 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
1481 PRAGMA_OMP_THREADPRIVATE.
1482 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1483 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1484 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
1485 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
1486 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
1487 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
1488 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
1489 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
1490 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
1491 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
1492 * tree-ssa-dce.c (find_control_dependence): Do not assume that
1493 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
1494 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
1496 (struct nesting_info): Add field_map,
1497 suppress_expansion, debug_var_chain.
1498 (create_nesting_tree): Initialize them.
1499 (lookup_field_for_decl): Use field_map.
1500 (get_nonlocal_debug_decl, get_local_debug_decl): New.
1501 (convert_local_omp_clauses): New.
1502 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
1503 (walk_body): Split out of walk_function.
1504 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
1505 (convert_nonlocal_reference): Handle omp statements.
1506 (convert_local_reference): Likewise.
1507 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
1508 (unnest_nesting_tree): New.
1509 (lower_nested_functions): Call it.
1510 (insert_field_into_struct): Make extern.
1511 (struct walk_stmt_info): Move to tree-gimple.h.
1512 (walk_stmts): Make extern.
1513 * omp-builtins.def: New file.
1514 * tree-iterator.c (expr_only): Clarify comment.
1515 * c-common.h (pushdecl_top_level, pushdecl,
1516 build_modify_expr, build_indirect_ref,
1517 c_finish_omp_master, c_finish_omp_critical,
1518 c_finish_omp_ordered, c_finish_omp_barrier,
1519 c_finish_omp_atomic, c_finish_omp_flush,
1520 c_finish_omp_for, c_split_parallel_clauses,
1521 omp_clause_default_kind, c_omp_sharing_predetermined,
1522 c_omp_remap_decl): Declare.
1523 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
1524 (OBJS-common): Add omp-low.o.
1525 (c-omp.o, omp-low.o): Add.
1526 (gimplify.o): Add dependency on $(OPTABS_H).
1527 (GTFILES): Add omp-low.c.
1528 (gt-stringpool.h): Add.
1529 * tree-cfg.c (set_bb_for_stmt): Do not update the
1530 block-to-labels map if we are currently expanding to RTL.
1531 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
1533 Handle IDENTIFIER_NODE.
1534 (tree_verify_flow_info): Do not ICE when emitting error
1535 messages about invalid labels.
1536 (dump_function_to_file): Reset CFUN before emitting the body
1538 (debug_function): New.
1539 * passes.c (init_optimization_passes): Schedule
1541 * langhooks-def.h (lhd_omp_predetermined_sharing,
1542 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
1544 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
1545 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
1546 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
1547 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
1548 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
1549 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
1550 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
1551 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
1552 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
1553 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
1554 (LANG_HOOK_DECLS): Use them.
1556 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
1557 Richard Henderson <rth@redhat.com>
1558 Jakub Jelinek <jakub@redhat.com>
1559 Diego Novillo <dnovillo@redhat.com>
1561 * c-parser.c (pragma_omp_clause): Define.
1562 (c_parser_declaration_or_fndef): Document OpenMP syntax.
1563 (c_parser_compound_statement): Likewise.
1564 (c_parser_statement): Likewise.
1565 (c_parser_pragma): Handle omp pragmas.
1566 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
1567 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
1568 (c_parser_omp_clause_name, check_no_duplicate_clause,
1569 c_parser_omp_variable_list,
1570 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
1571 c_parser_omp_clause_copyprivate,
1572 c_parser_omp_clause_default,
1573 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
1574 c_parser_omp_clause_lastprivate,
1575 c_parser_omp_clause_nowait,
1576 c_parser_omp_clause_num_threads,
1577 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
1578 c_parser_omp_clause_reduction,
1579 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
1580 c_parser_omp_all_clauses, c_parser_omp_structured_block,
1581 c_parser_omp_atomic, c_parser_omp_barrier,
1582 c_parser_omp_critical, c_parser_omp_flush,
1583 c_parser_omp_for_loop, c_parser_omp_for,
1584 c_parser_omp_master, c_parser_omp_ordered,
1585 c_parser_omp_sections_scope, c_parser_omp_sections,
1586 c_parser_omp_parallel, c_parser_omp_single,
1587 c_parser_omp_construct, c_parser_omp_threadprivate): New.
1588 * c-pragma.c (init_pragma): Do omp pragma registration here.
1589 * c.opt (fopenmp): New flag.
1591 2006-01-18 Eric Christopher <echristo@apple.com>
1593 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
1594 * config/darwin.h (GOMP_SELF_SPECS): Define.
1596 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1598 * rtl.h: Remove the prototype for reg_alloc.
1600 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1603 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
1604 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
1605 sjlj and dwarf2 exception handling.
1606 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
1607 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
1608 * pa/pa.c (function_value): Treat complex and vector types as
1610 (function_arg): Likewise. Only pass scalar floats in the floating
1611 point argument registers.
1612 * pa/t-slibgcc-dwarf-ver: New file.
1613 * pa/t-slibgcc-sjlj-ver: New file.
1614 * pa/t-slibgcc-elf-ver: Delete file.
1616 2006-01-19 Alan Modra <amodra@bigpond.net.au>
1618 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
1619 unlikely_test_section_p test.
1621 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1623 * mode-switching.c (optimize_mode_switching): Make it static.
1624 * basic-block.h: Remove the prototype for
1625 optimize_mode_switching.
1627 * modulo-sched.c (sms_schedule): Make it static.
1628 * rtl.h: Remove the prototype for sms_schedule.
1630 * postreload-gcse.c (gcse_after_reload_main): Make it static.
1631 * rtl.h: Remove the prototype for gcse_after_reload_main.
1633 * reg-stack.c (reg_to_stack): Make it static.
1634 * rtl.h: Remove the prototype for reg_to_stack.
1636 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
1638 * rtl.h: Remove the prototypes for regrename_optimize and
1639 copyprop_hardreg_forward.
1641 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
1643 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
1644 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
1645 Test against the appropriate null constant for the mode.
1646 If 'fixup_overlap' is true, swap the operands if they overlap.
1647 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
1648 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
1649 alpha_split_tmode_pair and adjust for above change.
1650 * config/alpha/alpha.md (movtf_internal): Adjust call to
1651 alpha_split_tfmode_pair and rely on it to swap the operands.
1652 (movti_internal): New insn and post-reload splitter.
1653 (movti): New expander.
1655 2006-01-18 Philippe De Muyter <phdm@macqel.be>
1657 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
1660 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1662 * rtlanal.c (global_reg_mentioned_p_1,
1663 global_reg_mentioned_p): Remove.
1664 * rtl.h: Remove the prototype for global_reg_mentioned_p.
1666 * flow.c (initialize_uninitialized_subregs): Make it static.
1667 * rtl.h: Remove the prototype for
1668 initialize_uninitialized_subregs.
1670 * function.c (instantiate_virtual_regs): Make it static.
1671 * function.h: Remove the prototype for
1672 instantiate_virtual_regs.
1674 * regmove.c (regmove_optimize, combine_stack_adjustments):
1676 * rtl.h: Remove the prototypes for regmove_optimize and
1677 combine_stack_adjustments.
1679 2006-01-17 Roger Sayle <roger@eyesopen.com>
1681 * config/i386/i386.c (COSTS_N_BYTES): New macro.
1682 (size_cost): Encode costs in bytes so that a reg-reg addition is
1683 equivalent to COSTS_N_INSNS(1).
1684 (override_options): Use the size_cost.branch_cost as the default
1685 ix86_branch_cost when optimizing for size.
1687 2006-01-18 Ben Elliston <bje@au.ibm.com>
1689 * Makefile.in (D32PBIT_FUNCS): New.
1690 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
1691 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
1692 D64PBIT_FUNCS and D128PBIT_FUNCS.
1693 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
1694 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
1696 (decnumber_dep): Define.
1697 * doc/libgcc.texi (Decimal float library routines): New node.
1698 * config/dfp-bit.h, config/dfp-bit.c: New files.
1700 2006-01-18 Ben Elliston <bje@au.ibm.com>
1702 * expr.c (emit_move_change_mode): Always adjust addresses, not
1703 just during reload. Copy replacements only during reload.
1704 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
1705 emit_move_via_integer.
1707 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
1709 * Makefile.in (check-%, check-consistency): Use $${srcdir}
1710 instead of $(srcdir) and ${srcdir}.
1712 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
1716 * arm.h (struct machine_function): Add pic_reg.
1717 * arm.c (arm_pic_register): Make unsigned.
1718 (arm_override_options): Only set arm_pic_register if
1719 TARGET_SINGLE_PIC_BASE.
1720 (use_return_insn): Only test for a pic register if it is fixed.
1721 (arm_compute_save_reg0_reg12_mask): Likewise.
1722 (thumb_compute_save_reg_mask): Likewise.
1723 (legitimate_pic_operand): Factor out some known invariants.
1724 (legitimize_pic_address): If we don't have a fixed pic register,
1725 then set up a pseudo in the function entry sequence. Handle the
1726 pic base being in a pseudo.
1727 (arm_load_pic_register): Handle the pic register being in a pseudo.
1728 (arm_expand_prologue): Only set up the pic register if it is fixed.
1729 (thumb_expand_prologue): Likewise.
1730 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
1731 (pic_load_addr_based_insn): Likewise.
1732 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
1735 2006-01-18 Ben Elliston <bje@au.ibm.com>
1737 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
1738 decimal float modes for all floating point registers.
1740 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
1741 match_code "mem" with match_test "macho_lo_sum_memory_operand".
1743 2006-01-17 Jakub Jelinek <jakub@redhat.com>
1746 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
1747 even when the pointer is not NULL.
1749 2006-01-16 Ian Lance Taylor <ian@airs.com>
1751 * common.opt (ftoplevel-reorder): New option.
1752 * cgraph.c (cgraph_asm_nodes): New global variable.
1753 (cgraph_asm_last_node): New static variable.
1754 (cgraph_order): New global variable.
1755 (cgraph_create_node): Set new order field.
1756 (cgraph_varpool_node): Likewise.
1757 (decide_is_variable_needed): Return true if not
1758 flag_toplevel_reorder.
1759 (cgraph_add_asm_node): New function.
1760 * cgraph.h (struct cgraph_node): Add order field.
1761 (struct cgraph_varpool_node): Add order field.
1762 (struct cgraph_asm_node): Define.
1763 (cgraph_asm_nodes, cgraph_order): Declare.
1764 (cgraph_add_asm_node): Declare.
1765 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
1767 (cgraph_varpool_assemble_pending_decls): Call it.
1768 (cgraph_output_pending_asms): New static function.
1769 (cgraph_finalize_compilation_unit): Call it.
1770 (struct cgraph_order_sort): Define.
1771 (cgraph_output_in_order): New static function.
1772 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
1773 !flag_toplevel_reorder case.
1774 * c-parser.c: Include "cgraph.h".
1775 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
1777 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
1778 than -fno-unit-at-a-time.
1779 * doc/invoke.texi (Option Summary): Mention
1780 -fno-toplevel-reorder.
1781 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
1782 -funit-at-a-time documentation.
1784 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
1785 Kazu Hirata <kazu@codesourcery.com>
1787 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
1789 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
1791 * Makefile.in (FUNCTION_H): New. Use it instead of
1792 function.h throughout the file.
1793 * function.h: Include tree.h.
1795 2006-01-17 Ben Elliston <bje@au.ibm.com>
1797 * recog.c: Separate some functions with whitespace.
1799 2006-01-16 Richard Henderson <rth@redhat.com>
1801 Merge from gomp branch:
1802 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
1803 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
1804 and rename from struct inline_data. Rename callee* to dst*;
1805 caller* to src*; add copy_decl hook, transform_call_graph_edges,
1806 transform_new_cfg, transform_return_to_modify, and
1807 transform_lang_insert_block flags; remove cloning_p, versioning_p,
1809 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
1810 (copy_decl_for_dup): Remove.
1811 * tree-inline.c (struct inline_data): Move to header.
1812 (insert_decl_map): Export.
1813 (remap_decl): Update for member name changes. Use copy_decl hook.
1814 Allow for replacement to be a non-decl. Remove dead code.
1815 (remap_type_1): Check for existing mapping.
1816 (remap_type): Export.
1817 (remap_decls): Update for member name changes.
1818 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
1819 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
1820 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
1821 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
1822 (tree_function_versioning, build_duplicate_type): Likewise.
1823 (copy_body_r): Likewise. Export.
1824 (copy_decl_for_dup): Split into ...
1825 (copy_decl_for_dup_finish, copy_decl_to_var,
1826 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
1827 (replace_ref_tree, inlining_p): Remove.
1829 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1831 * ifcvt.c (if_convert): Make it static.
1832 * rtl.h: Remove the prototype for if_convert.
1834 * local-alloc.c (local_alloc): Make it static.
1835 * rtl.h: Remove the prototype for local_alloc.
1837 * loop.c (loop_optimize): Make it static.
1838 * cfgloop.h: Remove the prototype for loop_optimize.
1841 2006-01-16 DJ Delorie <dj@redhat.com>
1843 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
1846 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1848 * pa.md: Disparage copies between general and floating-point registers
1849 in 32-bit move patterns.
1851 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
1854 * Makefile.in (check-%): Depend on site.exp instead of
1855 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
1858 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1860 * global.c (global_alloc): Make it static.
1861 * rtl.h: Remove the prototype for global_alloc.
1863 2006-01-16 Richard Guenther <rguenther@suse.de>
1865 * tree-ssa-alias.c (struct used_part): Add write_only field.
1866 (get_or_create_used_part_for): Initialize it to true.
1867 (create_overlap_variables_for): Don't create structure variables
1868 for structures that only are written to.
1869 (find_used_portions): Handle MODIFY_EXPR to track whether a
1870 structure is only written to.
1872 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1874 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
1876 * basic-block.h: Remove the prototype for
1877 partition_hot_cold_basic_blocks.
1879 2006-01-16 Rafael Ãvila de EspÃndola <rafael.espindola@gmail.com>
1881 * cppspec.c (lang_specific_spec_functions): Remove.
1882 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
1883 * gcc.h (lang_specific_spec_functions): Remove.
1884 * gccspec.c (lang_specific_spec_functions): Remove.
1886 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
1888 * combine.c (record_value_for_reg): Invalidate registers
1890 (record_dead_and_set_regs_1): Likewise, by passing them to
1891 record_value_for_reg.
1892 (record_dead_and_set_regs): Invalidate stores made by a
1893 call. We do not combine across a call, but we still
1894 relied on equivalences.
1896 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
1898 * tree-vrp.c (extract_range_from_binary_expr): Cope with
1899 vrp_int_const_binop returning non-constant nodes.
1901 2006-01-16 Paul Brook <paul@codesourcery.com>
1903 * config/m68k/m68k.c (output_move_const_into_data_reg):
1904 Output correct mnemonic for mvz and mvs.
1906 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
1908 * rtl-factoring.c: Add sequence abstraction algorithm.
1909 * cfgcleanup.c (outgoing_edges_match): Extra checks.
1910 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
1912 (block_has_preserve_label): New function.
1913 * common.opt: Register new pass.
1914 * Makefile.in: Ditto.
1916 * timevar.def: Ditto.
1917 * tree-pass.h: Ditto.
1918 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
1919 * rtl.h (make_jump_insn_raw): Add forward decl.
1920 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
1922 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
1923 Roger Sayle <roger@eyesopen.com>
1925 * fold-const.c (fold_minmax): New static function.
1926 (fold_binary) <MIN_EXPR>: Call it.
1927 <MAX_EXPR>: Likewise.
1928 * stor-layout.c (place_field): Use DECL_SIZE consistently
1929 in the computation of the new record size.
1931 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1933 * cse.c (cse_condition_code_reg): Make it static.
1934 * rtl.h: Remove the prototype for cse_condition_code_reg.
1936 * combine.c (combine_instructions): Make it static.
1937 * rtl.h: Remove the prototype for combine_instructions.
1939 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1942 * tree.c (get_file_function_name_long): Concatenate the first global
1943 object name with a string derived from the input filename of the object
1946 2006-01-16 Ben Elliston <bje@au.ibm.com>
1948 * config/i386/winnt-stubs.c: Update FSF address.
1949 * config/xtensa/ieee754-df.S: Ditto.
1950 * config/xtensa/ieee754-sf.S: Ditto.
1952 2006-01-14 Ian Lance Taylor <ian@airs.com>
1954 * ifcvt.c (noce_init_if_info): New static function, broken out of
1955 noce_process_if_block.
1956 (noce_process_if_block): Call noce_init_if_info.
1957 (check_cond_move_block): New static function.
1958 (cond_move_process_if_block): New static function.
1959 (process_if_block): Call cond_move_process_if_block.
1961 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
1963 * cselib.c (hash_table): Rename to cselib_hash_table.
1964 (cselib_clear_table, discard_useless_values,
1965 remove_useless_values, cselib_lookup_mem, cselib_lookup,
1966 cselib_init, cselib_finish): Adjust uses of hash_table.
1968 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
1970 PR tree-optimization/25485
1971 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
1972 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
1973 is known to be false and true, respectively.
1975 2006-01-14 Richard Guenther <rguenther@suse.de>
1977 PR tree-optimization/22548
1978 PR tree-optimization/22555
1979 PR tree-optimization/22501
1980 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
1981 * params.def (salias-max-array-elements): New parameter.
1982 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
1983 * doc/invoke.texi (salias-max-array-elements): Document.
1984 * tree-flow-inline.h (var_can_have_subvars): We also handle
1986 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
1988 * tree-ssa-structalias.c (params.h): Include.
1989 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
1990 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
1991 (get_constraint_for): For ADDR_EXPR operating on something
1992 containing an ARRAY_REF, add all subvars to the solution.
1993 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
1994 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
1995 for creating MUST_DEFs.
1996 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
1998 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
2000 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
2002 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2003 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2004 number_of_iterations_le): New functions.
2005 (number_of_iterations_special): Removed.
2006 (number_of_iterations_exit): Do not use number_of_iterations_special.
2007 * tree.c (unsigned_type_for): Always return integer type.
2009 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
2010 Richard Guenther <rguenther@suse.de>
2012 PR rtl-optimization/24257
2013 * gcse.c (find_moveable_store): Only consider a store movable
2014 when the SET_SRC of the insn can be assigned to a register.
2016 2006-01-14 Ian Lance Taylor <ian@airs.com>
2018 * tree.c (tree_not_class_check_failed): New function.
2019 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
2020 (tree_not_class_check_failed): Declare.
2022 2006-01-13 Ian Lance Taylor <ian@airs.com>
2024 * reload1.c (do_output_reload): Add assertion rejecting a
2027 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
2029 * combine.c (struct reg_stat): Add new fields truncation_label and
2031 (record_value_for_reg): Reset truncated_to_mode.
2032 (record_truncated_value): New function.
2033 (check_promoted_subreg): Call it. Rename to check_conversions.
2034 (combine_instructions): Rename check_promoted_subreg to
2036 (reg_truncated_to_mode): New function.
2037 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
2038 (gen_lowpart_or_truncate): New function.
2039 (force_to_mode): Use it instead of gen_lowpart.
2041 2006-01-13 Diego Novillo <dnovillo@redhat.com>
2043 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
2044 VAR is a tag, not its type tag.
2046 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
2048 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
2049 alternatives to match style of other entries.
2050 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
2052 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
2054 PR tree-optimization/25771
2055 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
2058 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
2061 * tree-inline.c (declare_return_variable): If the return variable
2062 was marked as a non gimple complex, set the return slot variable
2063 to be a non gimple comple variable.
2065 2006-01-13 Richard Guenther <rguenther@suse.de>
2067 * builtins.c (expand_builtin_sincos): New function.
2068 (expand_builtin_mathfn_3): Remove dead code, sin and cos
2070 (expand_builtin): Expand sincos using expand_builtin_sincos.
2072 2006-01-12 DJ Delorie <dj@redhat.com>
2074 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
2075 shift counts, separate SI shifts for m32c vs m16c, pass shift type
2076 so that constant shifts can be split.
2077 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
2078 (m32c_valid_pointer_mode): Make static.
2079 (shift_gen_func_for): New.
2080 (m32c_prepare_shift): Use it. Split large const shifts into
2082 * config/m32c/predicates.md (shiftcount_operand): Allow more
2084 (longshiftcount_operand): New.
2085 * doc/md.texi (Machine Constraints): Document In6.
2087 2006-01-13 Ben Elliston <bje@au.ibm.com>
2089 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
2090 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
2093 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
2095 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
2096 to try to avoid clobbering pieces of structures when we know
2097 something about the whole structure.
2098 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
2100 2006-01-13 Ben Elliston <bje@au.ibm.com>
2102 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
2103 return in memory, as this is no limitation is no longer present.
2105 2006-01-12 DJ Delorie <dj@redhat.com>
2107 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
2108 mova with fb, and for fb+0 -> An.
2110 * config/m32c/mov.md (peephole2): Fix enabling logic.
2112 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2113 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
2114 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
2115 FINI_ARRAY_SECTION_ASM_OP): Define.
2117 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
2119 (m32c_legitimize_reload_address): New logic to reload FB to An.
2120 (m32c_output_reg_push): Add newline.
2121 (m32c_output_reg_pop): Likewise.
2123 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
2125 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
2127 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
2129 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2131 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2133 * config/sh/predicates.md (sh_rep_vec): Add parallel to
2136 2006-01-11 Ben Elliston <bje@au.ibm.com>
2138 * rtlanal.c (find_reg_note): Assert insn is not null.
2140 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2142 * df-scan.c (df_hard_reg_init): Move declaration of i outside
2145 2006-01-11 Jeff Law <law@redhat.com>
2147 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
2149 (mark_threaded_blocks, register_jump_thread): New functions.
2150 (thread_through_all_blocks): Remove unwanted argument. No
2151 longer rely on e->aux to communicate thread target info.
2152 Call mark_threaded_blocks. Release the threaded_blocks
2153 bitmap and threaded_edges vector when complete.
2154 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
2155 (threaded_blocks): Remove.
2156 (tree_ssa_dominator_optimize): Remove initialization and
2157 finalization of threaded_blocks. Simplify call to
2158 thread_through_all_blocks.
2159 (thread_across_edge): Call register_jump_thread rather than
2160 storing thread information into e->aux.
2161 (free_all_edge_infos): Simplify now that e->aux is no longer
2162 used to communicate with thread_through_all_blocks.
2163 * tree-flow.h (thread_through_all_blocks): Update prototype.
2164 (register_jump_thread): Prototype.
2166 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2168 * df-core.c (df_compact_blocks, df_bb_replace): Use
2169 SET_BASIC_BLOCK instead of BASIC_BLOCK.
2171 2006-01-11 Richard Guenther <rguenther@suse.de>
2173 PR tree-optimization/25734
2174 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2175 stop propagation after successful propagation to the LHS.
2177 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2179 * basic-block.h (control_flow_graph): Change the type of
2180 x_basic_block_info to VEC(basic_block,gc) *.
2181 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
2183 (SET_BASIC_BLOCK): New.
2184 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
2185 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
2186 * cfgbuild.c (find_basic_blocks): Likewise.
2187 * cfglayout.c (fixup_reorder_chain): Likewise.
2188 * cfgrtl.c (create_basic_block_structure,
2189 rtl_create_basic_block): Likewise.
2190 * ifcvt.c (find_if_case_1): Likewise.
2191 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
2194 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2196 * Makefile.in: Removed rotted odf.c entry.
2198 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
2201 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
2202 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
2203 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
2204 output pattern modifier, not %e.
2205 * config/cris/cris.c (cris_op_str): Update comment about pattern
2207 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
2208 before falling through into...
2209 <case 'E'>: Redefined from old 'e' case.
2211 2006-01-11 Jan Hubicka <jh@suse.cz>
2214 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
2216 2006-01-11 Jan Hubicka <jh@suse.cz>
2218 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
2219 * i386.c (x86_decompose_lea): Kill.
2220 (ix86_rtx_costs): Kill.
2222 2006-01-11 Jan Hubicka <jh@suse.cz>
2224 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
2225 * cgraph.h (cgraph_node): Add inline_decl.
2226 (cgraph_insert_node_to_hashtable): Declare.
2227 (save_inline_function_body): Declare.
2228 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
2230 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
2231 (cgraph_function_versioning): Update call of tree_function_versioning.
2232 (save_inline_function_body): New function.
2233 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
2234 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
2235 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
2236 (cgraph_default_inline_p): Likewise.
2237 (cgraph_decide_inlining_incrementally): Likewise.
2238 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
2239 (copy_bb): Kill saving; do updating of clones.
2240 (copy_cfg_body): Kill saving.
2241 (initialize_inlined-parameters): Likewise.
2242 (expand_call_inline): Likewise.
2244 (tree_function_versioning): New parameter "update_clones".
2245 (inlining_p): Kill saving.
2246 * tree-inline.h (tree_function_versioning): Update prototype.
2247 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
2250 2006-01-11 Ian Lance Taylor <ian@airs.com>
2252 * combine.c (struct undo): Remove is_int. Enumify types of undos.
2253 Allow undoing set of machine mode.
2254 (do_SUBST): Use enums instead of is_int.
2255 (do_SUBST_MODE): New function.
2256 (SUBST_MODE): New macro.
2257 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
2258 reg and trying to replace reg_regno_rtx with a new register.
2259 (undo_all): Use new enums, handle undoing a PUT_MODE change.
2260 (simplify_set): Use SUBST_MODE.
2261 (distribute_notes): Remove code that tried to update reg notes
2262 for regno_reg_rtx changes.
2264 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
2266 PR tree-optimization/23109
2267 PR tree-optimization/23948
2268 PR tree-optimization/24123
2270 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
2271 * tree-cfg.c (single_noncomplex_succ): New.
2272 * tree-flow.h (single_noncomplex_succ): Declare it.
2273 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2274 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2275 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
2276 insert_bb, register_division_in, insert_reciprocals,
2277 replace_reciprocal, free_bb): New.
2278 (execute_cse_reciprocals_1): Rewritten.
2279 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
2280 Do not commit any edge insertion. Always compute dominators and
2281 create the allocation pool.
2282 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
2283 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
2284 * targhooks.c (default_min_divistions_for_recip_mul): New.
2285 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
2286 * passes.c (init_optimization_passes): Run recip after tree loop
2288 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
2290 2006-01-11 Danny Berlin <dberlin@dberlin.org>
2291 Kenneth Zadeck <zadeck@naturalbridge.com>
2293 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
2294 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
2295 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
2296 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
2297 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
2298 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
2299 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
2300 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
2301 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
2302 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
2303 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
2304 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
2305 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
2306 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
2307 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
2308 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
2309 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
2310 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
2311 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
2312 DF_SCAN_POST_ALLOC): New macros.
2313 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
2314 df_free_bb_function, df_local_compute_function, df_init_function,
2315 df_dataflow_function, df_confluence_function_0,
2316 df_confluence_function_n, df_transfer_function,
2317 df_finalizer_function, df_free_function, df_dump_problem_function,
2318 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
2319 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
2320 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
2321 df_urec_bb_info, ) New types.
2322 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
2324 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
2325 df_analyze_simple_change_some_blocks,
2326 df_analyze_simple_change_one_block, df_compact_blocks,
2327 df_bb_replace, df_bb_regno_last_use_find,
2328 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
2329 df_insn_regno_def_p, df_find_def, df_find_use,
2330 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
2331 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
2332 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
2333 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
2334 debug_df_chain, df_get_dependent_problem, df_chain_create,
2335 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
2336 df_grow_bb_info, df_chain_dump, df_print_bb_index,
2337 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
2338 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
2339 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
2340 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
2341 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
2342 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
2343 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
2344 df_ref_remove, df_insn_refs_delete, df_refs_delete,
2345 df_reorganize_refs, df_set_state, df_hard_reg_init,
2346 df_read_modify_subreg_p) New public functions.
2347 * df-core.c: The core dataflow solver and glue routines for rtl
2349 (df_init, df_add_problem, df_set_blocks, df_finish,
2350 df_hybrid_search_forward, df_hybrid_search_backward,
2351 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
2352 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
2353 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
2354 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
2355 df_reg_defined, df_find_use, df_reg_used, df_dump,
2356 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
2357 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
2358 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
2359 debug_df_useno, reset_df_after_reload): New functions.
2360 * df-scan.c: The scanning fuctions, once in df.c, completely
2361 rewritten so that they now fully model the functionality of
2362 register usage at the backend.
2363 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
2364 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
2365 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
2366 df_grow_insn_info, df_rescan_blocks, df_ref_create,
2367 df_get_artificial_defs, df_get_artificial_uses,
2368 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
2369 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
2370 df_refs_delete, df_reorganize_refs, df_set_state,
2371 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
2372 df_def_record_1, df_defs_record, df_uses_record,
2373 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
2374 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
2375 df_record_exit_block_uses, df_hard_reg_init): New functions.
2377 * df-problems.c: Seven concrete dataflow problems that use the
2378 scanning in df-scan.c and are solved by the engine in df-core.c.
2379 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
2380 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
2381 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
2382 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
2383 df_ru_free_bb_info, df_ru_alloc,
2384 df_ru_bb_local_compute_process_def,
2385 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
2386 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
2387 df_ru_transfer_function, df_ru_free, df_ru_dump,
2388 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
2389 df_rd_free_bb_info, df_rd_alloc,
2390 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
2391 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
2392 df_rd_transfer_function, df_rd_free, df_rd_dump,
2393 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
2394 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
2395 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
2396 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
2397 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
2398 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
2399 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
2400 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
2401 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
2402 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
2403 df_urec_mark_reg_change, df_urec_check_earlyclobber,
2404 df_urec_mark_reg_use_for_earlyclobber,
2405 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
2406 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
2407 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
2408 df_urec_dump, df_urec_add_problem, df_chain_alloc,
2409 df_chain_create_bb_process_use, df_chain_create_bb,
2410 df_chain_finalize, df_chain_free, df_chains_dump,
2411 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
2412 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
2413 df_reg_lifetime): New functions.
2414 * df.c: Deleted file.
2415 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
2416 consistent with new df api.
2417 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
2418 rest_of_handle_sms): Ditto.
2419 * web.c (unionfind_union, union_defs, entry_register, web_main):
2421 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
2422 invariant_expr_equal_p, find_defs, check_dependencies,
2423 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
2424 free_inv_motion_data, move_loop_invariants): Ditto.
2425 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
2426 Update dependencies.
2427 (odf.c): Added defective entry that was deleted later in day.
2428 * sched-deps.c (sched_analyze_1): Ditto.
2430 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
2432 * tree-ssa-operands.c (get_expr_operands): Record addressable
2433 variables directly. Do not call add_stmt_operands for CONST_DECLs
2435 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
2436 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
2438 2006-01-11 Ben Elliston <bje@au.ibm.com>
2440 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
2441 function returns true in the positive case.
2443 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2446 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
2447 for SI, DI, SF and DF modes. Add alternatives to copy between
2448 general and floating point registers to the 32-bit patterns.
2449 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
2450 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
2451 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
2452 generating 64-bit code.
2453 * config/pa/pa.c (output_move_double): Handle copies between general
2454 and floating registers.
2456 2006-01-10 Stuart Hastings <stuart@apple.com>
2458 * config/i386/i386.md (set_got): Update.
2459 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
2460 (builtin_setjmp_receiver): Mach-O support.
2461 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
2462 (GOT_SYMBOL_NAME): Define.
2463 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
2464 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
2465 * config/i386/i386.c (override_options): Revise for Darwin.
2466 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
2467 support. (darwin_x86_file_end): New. (output_set_got): Add label
2468 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
2469 * config/i386/i386-protos.h (output_set_got): Likewise.
2470 * config/darwin.c (machopic_legitimize_pic_address): Update
2473 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
2475 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
2476 when MODE isn't BLKmode.
2478 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2480 PR rtl-optimization/25367
2481 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
2483 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
2486 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
2487 for a negative bound.
2489 2006-01-10 Richard Guenther <rguenther@suse.de>
2491 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2492 Never override with anything constraint.
2494 2006-01-10 Jan Beulich <jbeulich@novell.com>
2496 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
2497 256 bits when optimize_size.
2499 2006-01-10 Jan Beulich <jbeulich@novell.com>
2501 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
2503 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
2504 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
2507 2006-01-10 Ben Elliston <bje@au.ibm.com>
2509 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
2511 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
2512 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2513 (USE_FP_FOR_ARG): Reject decimal float modes.
2514 (function_arg_advance): Likewise.
2515 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
2516 (rs6000_handle_altivec_attribute): Do not permit decimal floating
2517 point types in AltiVec vectors.
2518 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
2519 (rs6000_libcall_value): Likewise.
2521 2006-01-09 Bob Wilson <bob.wilson@acm.org>
2523 * config/xtensa/ieee754-df.S: New file.
2524 * config/xtensa/ieee754-sf.S: New file.
2525 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
2526 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
2527 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
2529 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
2531 * config/sh/predicates.md (binary_float_operator,
2532 binary_logical_operator, commutative_float_operator,
2533 equality_comparison_operator, greater_comparison_operator,
2534 less_comparison_operator, logical_operator,
2535 noncommutative_float_operator, shift_operator,
2536 symbol_ref_operand, unary_float_operator): Remove redundant
2539 2006-01-09 Jeff Law <law@redhat.com>
2541 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
2542 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
2543 now unused arguments. Callers updated.
2544 (eliminate_redundant_computations): Remove now unused arguments,
2546 (local_fold): Remove, no longer used.
2547 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
2549 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
2550 (simplify_cond): New function.
2551 (forward_propagate_into_cond): Call simplify_cond.
2553 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
2555 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
2556 (*vec_extractv2di_1_sse): New.
2558 2006-01-09 Ben Elliston <bje@au.ibm.com>
2560 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
2562 2006-01-08 Richard Guenther <rguenther@suse.de>
2564 * tree-ssa-structalias.c (get_constraint_for): Remove
2566 (get_constraint_for_component_ref): Likewise.
2567 (do_deref): Likewise.
2568 (get_constraint_for): Likewise.
2569 (do_structure_copy): Likewise.
2570 (handle_ptr_arith): Likewise.
2571 (find_func_aliases): Likewise. Remove unused need_anyoffset
2574 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
2575 Kaz Kojima <kkojima@gcc.gnu.org>
2577 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
2578 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
2579 (EXTRA_CONSTRAINT_C16): Remove.
2580 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
2581 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
2582 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
2583 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
2584 constants of SHmedia. Handle nested constant expressions of
2586 (andcosts): Fix the costs for SHmedia constants.
2587 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
2588 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
2589 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
2590 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
2591 (movv4hi_i, movv2si_i): Likewise.
2592 (movsi_const): Adjust the second operand of ior so to match with
2594 (movdi_const, movdi_const_32bit): Likewise.
2595 (movdi_const_16bit+1): Don't sign-extend LOW.
2596 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
2598 (*double_shori): Fix the split condition. Use GEN_INT instead
2599 of get_int_mode calls. Mask lower 16-bit of the argument of
2601 (sym2GOTPLT): Remove.
2602 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
2604 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
2605 instead of EXTRA_CONSTRAINT_C16.
2607 2006-01-07 Ian Lance Taylor <ian@airs.com>
2608 David Edelsohn <edelsohn@gnu.org>
2610 PR rtl-optimization/25662
2611 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
2612 for constant operands instead of simplify_gen_binary.
2613 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
2614 after trying simplify_binary_operation
2616 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
2618 * tree.c (iterative_hash_expr): Hash decls based on UID.
2620 2006-01-06 Eric Christopher <echristo@apple.com>
2622 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
2623 (TARGET_UNWIND_EMIT): Fix spelling.
2624 * target.h (gcc_target): Add except_table_label.
2625 * except.c (output_function_exception_table): Use.
2626 * varasm.c (default_emit_except_table_label): New.
2627 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
2629 (asm_out): Add here.
2630 * output.h (default_emit_except_table_label): Prototype.
2631 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
2632 * config/darwin.c (darwin_emit_except_table_label): Define.
2633 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
2635 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
2637 PR tree-optimization/18527
2638 * tree-ssa-loop-niter.c (number_of_iterations_cond,
2639 number_of_iterations_special, number_of_iterations_exit):
2640 Move base and step of an iv to a single structure. Add
2641 no_overflow flag, and use it in # of iterations analysis.
2642 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
2643 folded_casts argument.
2644 (simple_iv): Pass base and step in a structure. Set no_overflow
2646 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
2647 Evaluate expensiveness of computing # of iterations instead of
2648 the final expression.
2649 * tree-scalar-evolution.h (affine_iv): New structure.
2650 (simple_iv): Declaration changed.
2651 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
2652 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
2653 find_givs_in_stmt): Changed due to simple_iv change.
2655 2006-01-06 Jeff Law <law@redhat.com>
2658 * tree-cfg.c (bsi_replace): Rename final argument from
2659 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
2660 change (stmt -> orig_stmt).
2661 * tree-eh.c (verify_eh_throw_stmt_node): New function.
2662 (bsi_remove): Add new argument. Remove EH information
2664 (verify_eh_throw_table_statements): New function.
2665 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
2667 * tree-optimize.c (execute_free_cfg_annotations): Verify
2668 the EH throw statement table after removing annotations.
2669 * except.h (verify_eh_throw_table_statements): Prototype.
2670 * tree-flow.h (bsi_remove): Update prototype.
2671 * tree-vrp.c (remove_range_assertions): Add new argument to
2673 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
2674 * tree-complex.c (expand_complex_div_wide): Likewise.
2675 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
2676 * tree-tailcall.c (eliminate_tailcall): Likewise.
2677 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
2678 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
2679 * tree-nrv.c (tree_nrv): Likewise.
2680 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
2681 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
2682 (combine_blocks): Likewise.
2683 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
2684 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
2685 (cleanup_control_flow): Likewise.
2686 (remove_forwarder_block): Likewise.
2687 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
2688 * tree-sra.c (sra_replace): Likewise.
2689 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
2690 (forward_propagate_single_use_vars): Likewise.
2691 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
2692 * tree-inline.c (expand_call_inline): Likewise.
2693 * tree-vect-transform.c (vect_transform_loop): Likewise.
2694 * tree-outof-ssa.c (rewrite_trees): Likewise.
2695 * tree-cfg.c (make_goto_expr_edges): Likewise.
2696 (cleanup_dead_labels): Likewise.
2697 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
2698 (bsi_move_before, bsi_move_after): Likewise.
2699 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
2700 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
2702 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
2705 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
2707 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
2708 on non gimple variables. Also add checks at the top for decls and
2710 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
2712 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
2713 and IMAGPART_EXPR for creating MUST_DEFs.
2714 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
2715 and NAME_MEMORY_TAG separately from the DECLs.
2717 2006-01-06 Richard Guenther <rguenther@suse.de>
2719 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
2720 annotation, if necessary.
2721 * tree-ssa-pre.c (create_expression_by_pieces): Remove
2722 redundant calls to update_stmt.
2723 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
2726 2006-01-05 Richard Henderson <rth@redhat.com>
2728 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
2730 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
2732 * c-typeck.c: Update copyright date.
2734 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
2736 * c-typeck.c (build_c_cast): Always warn when casting
2737 from a pointer to an integer of different size, even if
2738 the node was constant.
2740 2006-01-05 Richard Guenther <rguenther@suse.de>
2742 PR tree-optimization/22555
2743 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
2744 if one structure field is an array.
2745 * tree-ssa-operands.c (get_expr_operands): Continue scanning
2746 operands even if we found a subvar, but ignore VOPs in this
2748 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
2750 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
2752 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
2755 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
2757 2006-01-05 Richard Guenther <rguenther@suse.de>
2758 Diego Novillo <dnovillo@redhat.com>
2760 * tree-pass.h (TODO_remove_unused_locals): Define.
2761 * gimple-low.c (expand_var_p, remove_useless_vars,
2762 pass_remove_useless_vars): Remove. Update all users.
2763 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
2764 (remove_unused_locals): New function.
2765 * tree-flow.h (remove_unused_locals): Declare.
2766 * passes.c (execute_todo): Call remove_unused_locals if
2767 TODO_remove_unused_locals is set.
2768 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
2769 * tree-ssa-dce.c (pass_dce): Likewise.
2770 * tree-outof-ssa.c (pass_del_ssa): Likewise.
2772 2006-01-05 Richard Guenther <rguenther@suse.de>
2774 * tree-flow.h (struct fieldoff): Decompose field to
2775 type, size and decl.
2776 * tree-ssa-alias.c (create_sft): Take type as parameter.
2777 (create_overlap_variables_for): Store type, size and decl
2778 in the fieldoff structure.
2779 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
2781 (push_fields_onto_fieldstack): Likewise.
2782 (create_variable_info_for): Likewise. Use offset for the
2783 SFT name if the decl is not available.
2785 2006-01-04 Paul Brook <paul@codesourcery.com>
2787 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
2789 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
2791 * lambda-code.c (can_put_in_inner_loop): Relax
2793 (can_put_after_inner_loop): New function.
2794 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
2795 (perfect_nestify): Change to make copies and modify uses.
2797 2006-01-04 Richard Henderson <rth@redhat.com>
2799 Merge from gomp branch:
2800 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
2801 via integer constant.
2802 (pragma_lex): Remove.
2803 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
2804 rather than parsing it.
2805 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
2806 handle_pragma_extern_prefix): Add %< %> quotes.
2807 (registered_pragmas): New.
2808 (c_register_pragma_1): New.
2809 (c_register_pragma): Use it.
2810 (c_register_pragma_with_expansion): Likewise.
2811 (c_invoke_pragma_handler): New.
2812 (init_pragma): Use cpp_register_deferred_pragma directly for
2814 * c-pragma.h (enum pragma_kind): New.
2815 (pragma_handler): New.
2816 (c_invoke_pragma_handler): Declare.
2817 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
2819 * c-common.h (c_common_pch_pragma): Update decl.
2820 * Makefile.in (c-parser.o): Update dependencies.
2821 (GTFILES): Add c-pragma.h.
2822 * c-parser.c (struct c_token): Add pragma_kind.
2823 (struct c_parser): Add in_pragma.
2824 (c_lex_one_token): Always initialize keyword and pragma_kind.
2825 Extract data for CPP_PRAGMA.
2826 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
2827 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
2828 Don't allow CPP_PRAGMA_EOL if in_pragma.
2829 (c_parser_consume_pragma): New.
2830 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
2831 (c_parser_skip_to_end_of_parameter): Likewise.
2832 (c_parser_skip_to_end_of_block_or_statement): Likewise.
2833 (c_parser_skip_to_pragma_eol): New.
2834 (c_parser_external_declaration): Handle CPP_PRAGMA.
2835 (c_parser_compound_statement_nostart): Likewise.
2836 (c_parser_statement_after_labels): Likewise.
2837 (c_parser_pragma): New.
2838 (pragma_lex): Likewise.
2839 (c_parser_pragma_pch_preprocess): New.
2840 (c_parser_new): Merge into ...
2841 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
2843 2006-01-04 Jeff Law <law@redhat.com>
2846 * tree-cfg.c (bsi_replace): Remove the original statement
2847 from the EH throw statement table.
2849 2006-01-04 Jakub Jelinek <jakub@redhat.com>
2851 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
2852 make the prototype extern "C" and add throw ().
2855 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
2856 and pos non-negative and pos + len <= 32.
2857 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
2858 drop pos + len < HOST_BITS_PER_WIDE_INT test.
2859 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
2862 * c-common.c (handle_vector_size_attribute): Reject zero vector size
2863 as well as sizes not multiple of component size.
2866 * function.c (instantiate_expr): New function.
2867 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
2868 walk its DECL_VALUE_EXPR with instantiate_expr.
2870 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
2871 DW_OP_deref{,_size} if address isn't going to be added.
2873 2006-01-04 Ben Elliston <bje@au.ibm.com>
2875 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
2876 * config/fp-bit.c: Likewise.
2878 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
2880 * dominance.c: Add comment about why we use DFS numbering
2883 2006-01-03 Jakub Jelinek <jakub@redhat.com>
2884 Richard Henderson <rth@redhat.com>
2886 Merge from gomp-branch:
2887 * varasm.c (assemble_variable): Handle thread-local COMMON data.
2888 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
2890 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
2892 PR rtl-optimization/25578
2893 * combine.c (combine_simplify_rtx, force_to_mode): Don't
2894 pass a parameter to simplify_shift_const if changing ASHIFTRT
2897 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
2899 * builtins.c (get_builtin_sync_mem): New function.
2900 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
2901 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
2902 Call get_builtin_sync_mem to generate mem rtx.
2904 2006-01-03 Richard Guenther <rguenther@suse.de>
2907 * stmt.c (add_case_node): Make sure to clear overflow flags
2910 2006-01-03 Jakub Jelinek <jakub@redhat.com>
2912 Merge from gomp-branch.
2913 * config/sparc/sync.md: New file.
2914 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
2915 UNSPECV_LDSTUB): New constants.
2916 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
2917 * config/sparc/predicates.md (memory_reg_operand): New predicate.
2918 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
2921 2006-01-03 Roger Sayle <roger@eyesopen.com>
2923 * combine.c (reg_subword_p): New predicate to test whether the
2924 destination of a set refers to a subword/piece of a register.
2925 (try_combine): Generalize the code to merge the setting of a
2926 pseudo to a constant followed by a set of a subword of that
2927 register to a constant.
2929 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
2931 * basic-block.h (control_flow_graph): Change the type of
2932 x_label_to_block_map to VEC(basic_block,gc) *.
2933 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
2934 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
2936 * tree-ssa-propagate.c (cfg_blocks): Change the type to
2937 VEC(basic_block,heap) *.
2938 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
2939 ssa_prop_fini): Adjust the uses of cfg_blocks.
2941 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
2943 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
2945 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
2946 hashing trees instead of a pointer hash.
2947 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
2948 compare for MEM_EXPR.
2950 PR rtl-optimization/25130
2951 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
2952 when comparing MEMs for GCSE
2954 2006-01-03 Ben Elliston <bje@au.ibm.com>
2956 * targhooks.h (default_decimal_float_supported_p): Declare.
2957 * targhooks.c (default_decimal_float_supported_p): Define.
2958 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
2959 `default_decimal_float_supported_p'.
2960 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
2962 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
2964 * combine.c (apply_distributive_law <SUBREG>): Check
2965 TRULY_NOOP_TRUNCATION.
2967 2006-01-02 Geoffrey Keating <geoffk@apple.com>
2969 * dwarf2out.c (have_switched_text_section): Delete.
2970 (have_multiple_function_sections): New.
2971 (have_location_lists): Make 'bool'.
2972 (add_AT_loc_list): Use 'true' not '1'.
2973 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
2974 (output_loc_list): Use have_multiple_function_sections.
2975 (output_ranges): Likewise.
2976 (dwarf2out_begin_function): Set have_multiple_function_sections if
2978 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
2979 Check function_section rather than DECL_SECTION_NAME.
2980 (dwarf2out_finish): Use have_multiple_function_sections.
2981 Don't clear have_location_lists.
2983 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
2984 Jan Hubicka <jh@suse.cz>
2986 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
2987 case of conditional jump jumping to the next instruction.
2988 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
2989 cases of conditional jump jumping to the next instruction.
2991 2006-01-02 Jan Hubicka <jh@suse.cz>
2993 * i386.c (*_cost): Add COSTS_N_INSNS.
2994 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
2996 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
2999 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
3001 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3003 * config/arm/arm.c (all_fpus): Fix comment typo.
3004 * config/darwin.c: Likewise.
3005 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
3006 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
3007 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
3009 2006-01-01 David Edelsohn <edelsohn@gnu.org>
3011 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
3012 (rs6000_split_compare_and_swapqhi): New.
3013 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
3014 (sync_compare_and_swapqhi_internal): New.
3015 * config/rs6000/rs6000-protos.h: Declare.
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