1 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
3 * configure.ac: Expect target tools paths to be passed from the toplevel
4 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
6 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
8 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
11 * c.opt (Wpointer-sign): Init to -1.
12 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13 OPT_pedantic, to 0 otherwise.
14 * doc/invoke.texi: Update.
16 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
18 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
19 constants provided by 80387 instructions in the destination mode.
21 2006-01-26 Richard Guenther <rguenther@suse.de>
22 Andrew Pinski <pinskia@physics.uc.edu>
25 partial PR tree-opt/17064
26 * tree-ssa-structalias.c (intra_create_variable_infos):
27 Create heap variables for incoming parameters if
28 flag_argument_noalias > 1.
29 (find_what_p_points_to): Look through default defs of
32 2006-01-26 Jeff Law <law@redhat.com>
35 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
36 with a VR_ANTI_RANGE and the VR_ANTI_RANGEis completely contained
37 within the VR_RANGE, use the VR_RANGE as the result, not the
39 (adjust_range_with_scev): Reject ranges from SCEV which are out
40 of bounds for the type.
42 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
44 * tree-ssa-alias.c (maybe_create_global_var): Change
45 subvar walking to an assertion that we don't have subvar'd variables.
47 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
50 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
51 Use a new variable, inner. PARM_DECLs are always non-weak.
53 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
55 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
58 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
60 * config/mips/mips.md (*clear_upper32): New combiner pattern.
62 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
64 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
65 (smax_insn, smin_insn, smax_0, smin_0): New.
67 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
70 * config/cris/cris.c (cris_order_for_addsi3): New function.
71 * config/cris/cris-protos.h: Prototype it.
72 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
73 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
74 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
75 (split for "op.S1 [rx=rx+i],ry (swapped)")
76 (split for "op(s|u).S1 [rx=rx+i],ry")
77 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
78 Apply cris_order_for_addsi3 when generating addsi3 insns.
80 2006-01-25 Diego Novillo <dnovillo@redhat.com>
82 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
83 (TREE_BLOCK): Add call to EXPR_CHECK.
85 2006-01-25 Diego Novillo <dnovillo@redhat.com>
88 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
89 * tree-pretty-print.c (dump_omp_clause): Extract from ...
90 (dump_omp_clauses): ... here.
91 (dump_generic_node): Handle OMP_CLAUSE.
92 * tree.c (omp_clause_num_ops): New.
93 (omp_clause_code_name): New.
94 (tree_code_size): Handle OMP_CLAUSE.
95 (tree_size): Likewise.
96 (make_node): Document handling of OMP_CLAUSE.
97 (tree_node_structure): Handle OMP_CLAUSE.
98 (omp_clause_check_failed): New.
99 (omp_clause_range_check_failed): New.
100 (omp_clause_operand_check_failed): New.
101 (build_omp_clause): New.
102 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
103 * tree.h (enum omp_clause_code): Declare.
104 (OMP_CLAUSE_SUBCODE_CHECK): Define.
105 (OMP_CLAUSE_RANGE_CHECK): Define.
106 (OMP_CLAUSE_ELT_CHECK): Define.
107 (omp_clause_check_failed): Declare.
108 (omp_clause_operand_check_failed): Declare.
109 (omp_clause_range_check_failed): Declare.
110 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
111 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
112 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
113 (OMP_CLAUSE_LASTPRIVATE): Likewise.
114 (OMP_CLAUSE_IF_EXPR): Likewise.
115 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
116 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
117 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
118 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
119 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
120 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
121 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
122 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
123 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
124 (OMP_CLAUSE_CODE): Define.
125 (OMP_CLAUSE_SET_CODE): Define.
126 (OMP_CLAUSE_CODE): Define.
127 (OMP_CLAUSE_OPERAND): Define.
128 (struct tree_omp_clause): Declare.
129 (union tree_node): Add field 'omp_clause'.
130 * treestruct.def (TS_OMP_CLAUSE): Define.
131 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
132 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
133 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
134 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
135 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
136 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
137 (OMP_CLAUSE): Define.
138 * print-tree.c (print_node): Handle OMP_CLAUSE.
139 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
140 * c-typeck.c: Likewise.
141 * gimplify.c: Likewise.
143 * tree-nested.c: Likewise.
144 * tree-inline.c: Likewise.
145 * c-parser.c: Likewise.
146 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
149 2006-01-25 Roger Sayle <roger@eyesopen.com>
151 PR rtl-optimization/25703
152 * combine.c (try_combine): Handle zero_extract and strict_low_part
153 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
155 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
157 * global.c: Fix comment typos.
159 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
162 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
163 Use output_addr_const instead of assemble_name.
165 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
167 * Makefile.in (sched-vis.o): Update dependencies.
168 * haifa-sched.c (sched_finish): Clear current_sched_info.
169 * cfg.c (dump_bb_info): New, split from dump_flow_info.
170 (dump_flow_info): Call it.
171 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
173 * basic-block.h (dump_bb_info): Declare.
174 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
175 option, and apply options only for dump files whose TDF_RTL,
176 TDF_TREE, or TDF_IPA bits match.
177 * rtl.h: Declare new functions exported from sched-vis.c.
178 * sched-vis.c: Enable also if scheduling is not used.
179 (print_value): Print the mode of registers if not inside scheduling.
180 (print_insn): Make it work outside the scheduler. Beautify the output
182 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
184 2006-01-25 Richard Sandiford <richard@codesourcery.com>
186 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
187 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
188 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
189 depending on the value of CONSTANT_POOL_ADDRESS_P.
190 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
192 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
193 rather than SYMBOL_REF_DECL.
194 (rtx_constant_pool): Remove const_rtx_sym_htab.
195 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
196 (init_varasm_status): Don't initialize const_rtx_sym_htab.
197 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
198 Remove handling of const_rtx_sym_htab.
199 (find_pool_constant): Delete.
200 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
201 rather than find_pool_constant.
202 (get_pool_constant_for_function): Delete.
203 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
205 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
206 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
207 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
208 (SYMBOL_REF_CONSTANT): New macro.
209 (get_pool_constant_for_function): Delete.
210 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
211 rather than SYMBOL_REF_DECL.
212 (i386_pe_mark_dllimport): Likewise.
213 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
214 rather than SYMBOL_REF_DECL.
215 * config/darwin.c (machopic_indirect_data_reference): Likewise.
216 (machopic_indirect_call_target): Likewise.
218 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
220 * flow.c (delete_noop_moves): Add missing EOL to dump message.
222 2006-01-25 Richard Sandiford <richard@codesourcery.com>
224 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
226 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
228 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
230 2006-01-24 David Daney <ddaney@avtrex.com>
233 * configure.ac (enable_tls): New enable option.
234 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
235 * configure: Regenerate.
236 * doc/install.texi (--enable-tls): Document new option.
237 (--disable-tls): Ditto.
239 2006-01-24 Richard Henderson <rth@redehat.com>
241 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
242 * alias.c (true_dependence): Respect it.
243 (canon_true_dependence, write_dependence_p): Likewise.
244 * builtins.c (get_builtin_sync_mem): Set it.
246 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
248 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
251 2006-01-24 DJ Delorie <dj@redhat.com>
253 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
254 for storing constants in single-bit bitfields.
256 2006-01-25 Ben Elliston <bje@au.ibm.com>
258 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
260 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
263 * tree-ssa-pre.c (phi_translate): Return NULL
264 for AGGREGATE_TYPE's.
266 2006-01-24 Zack Weinberg <zackw@panix.com>
268 * genautomata.c (process_state_for_insn_equiv_partition):
269 Use xcalloc for insn_arcs_array.
270 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
271 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
273 2006-01-24 Richard Henderson <rth@redhat.com>
275 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
278 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
280 PR rtl-optimization/25890
281 PR rtl-optimization/25905
282 * combine.c (expand_compound_operation, expand_field_assignment):
283 Fail if the bitfield's final position is out of bounds.
285 2006-01-24 Ian Lance Taylor <ian@airs.com>
288 * cgraphunit.c (cgraph_output_in_order): Don't clear
289 cgraph_asm_nodes until after asm strings have been output.
291 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
293 * fix-header.c (read_scan_file): Add new parameter imultilib when
294 calling register_include_chains.
296 2006-01-23 Diego Novillo <dnovillo@redhat.com>
298 * omp-low.c: Update documentation.
300 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
301 Daniel Berlin <dberlin@dberlin.org>
305 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
306 return from the function.
308 2006-01-22 Zack Weinberg <zackw@panix.com>
310 * rtl.def (match_code): Add second argument.
311 * genpreds.c (write_extract_subexp): New function.
312 (write_match_code): Add path argument. Use write_extract_subexp.
313 (write_predicate_expr): Pass path to write_match_code.
314 (mark_mode_tests): MATCH_CODE applied to a subexpression does
315 not perform a mode test.
316 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
317 a subexpression does not constrain the top-level code set.
318 * read-rtl.c (read_rtx_variadic): New function.
319 (read_rtx_1): Use it; allow AND and IOR to be variadic.
320 * doc/md.texi: Document new notation.
321 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
322 (cmpsi_operand): ... here, using new notation.
324 2006-01-22 Zack Weinberg <zackw@panix.com>
326 * varray.c: Remove GENERATOR_FILE #ifdefs.
328 2006-01-22 Zack Weinberg <zackw@panix.com>
330 * genautomata.c (output_reserved_units_table): Emit nothing if
331 description->query_units_num is zero. Remove extra blank line.
332 (output_cpu_unit_reservation_p): Short circuit
333 if description->query_units_num is zero.
335 2006-01-22 Zack Weinberg <zackw@panix.com>
337 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
338 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
339 nor any of the random handful of variables that used to be necessary
340 when this program was linked with rtlanal.o. Prune set of forward
341 function declarations.
342 (struct attr_desc): Remove static_p field.
343 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
344 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
345 (attr_string): Do not read the character one past the length of
347 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
348 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
349 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
350 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
351 (make_automaton_attrs): New.
352 (main): Do not call into genautomata. Call local gen_bypass
353 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
354 Remove special case for insn_alts.
355 * genautomata.c: Include gensupport.h; not genattrtab.h nor
356 varray.h (leftover from previous change). Prune set of forward
357 function declarations. Remove state_alts fields from all
358 structures. Remove state_alts_table from struct automaton.
359 Make everything except main static. Do not maintain num_dfa_decls.
360 Do not maintain state_alts fields of various structures.
361 (process_decls): Don't validate condexp for dm_insn_reserv decls.
362 (add_arc): Remove state_alts argument. All callers updated.
363 (output_reserved_units_table): Emit #ifdef here...
364 (output_tables): ...not here. Don't generate state_alts tables.
365 (expand_automata): Don't generate attributes.
366 (write_automata): Don't generate state_alts functions.
367 (main): New function.
368 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
369 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
370 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
371 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
372 (BYPASS_P_FUNC_NAME, output_state_alts_table)
373 (output_automata_list_state_alts_code, output_internal_state_alts_func)
374 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
375 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
377 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
378 * genattrtab.h: Delete file.
379 * Makefile.in (OBJS-common): Add insn-automata.o.
380 (insn-automata.o): New rule.
381 (simple_generated_c): Add insn-automata.c.
382 (build/genattrtab.o, build/genautomata.o): Update dependencies.
383 (genprogmd): Add automata.
384 (build/genattrtab): Needs no extra objects nor libraries.
385 (build/genautomata): Needs build/vec.o and -lm.
387 2006-01-22 Zack Weinberg <zackw@panix.com>
389 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
390 (output_dfa_max_issue_rate, locked_states_num): Delete.
391 (struct automaton): Add locked_states field.
392 (output_dead_lock_vect): Save number of locked states in
393 automaton->locked_states. If it is zero, don't print anything.
394 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
395 (output_internal_dead_lock_func): Only test the dead_lock_vect
396 for automata that have locked states.
397 (output_statistics): Always print the number of locked states for
398 each automaton. Calculate total number of locked states here.
399 (write_automata): Don't call output_dfa_max_issue_rate.
400 * genattrtab.c: Define length_unit_log as a const variable.
401 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
402 max_insn_queue_index const.
403 * final.c (length_unit_log): Declare const.
404 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
406 2006-01-22 Zack Weinberg <zackw@panix.com>
408 * genautomata.c: Include vec.h, not varray.h.
409 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
410 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
411 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
412 VEC_* macros operating on appropriately typed vectors, or to
413 malloced arrays when the size is known in advance. Const-ify
414 many char* variables and function arguments. No functional changes.
415 * Makefile.in (build/varray.o): Delete rule.
416 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
417 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
419 2006-01-22 Zack Weinberg <zackw@panix.com>
421 * gensupport.c: Define get_insn_name and record_insn_name here.
422 (read_md_rtx): Call record_insn_name as appropriate.
423 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
424 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
425 * genpreds.c, genrecog.c: Don't define get_insn_name nor
427 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
428 (BUILD_VARRAY): Delete.
429 (genprognormal): Rename genprogmd. Fold in all programs from
430 genprognoprint; also attrtab.
431 (build/genattrtab): Just mention genautomata.o and varray.o.
432 Reorganize a bit, add comments to make the categories clearer.
434 2006-01-22 Zack Weinberg <zackw@panix.com>
436 * genconditions.c (condition_table, add_condition): Delete.
437 (write_conditions): Don't emit n_insn_conditions nor
438 insn_elision_unavailable. Issue the gcc version #ifdef here,
439 inside the table, with no #else clause ...
440 (write_header): ...not here.
441 (write_writer): New function.
442 (main): Don't initialize condition_table. Use add_c_test.
444 * gensupport.c (init_md_reader_args_cb): Handle multiple input
445 files on the command line.
446 (maybe_eval_c_test): Don't check insn_elision_unavailable.
447 Return -1 if there is no entry in the table, don't abort.
448 (add_c_test, traverse_c_tests): New functions.
449 * gensupport.h (insn_elision_unavailable, insn_conditions)
450 (n_insn_conditions): Delete declarations.
451 (add_c_test, traverse_c_tests): Declare.
452 * read-rtl.c: Include gensupport.h.
453 (read_conditions): New function.
454 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
455 (read_rtx_1): If we get EOF when we were looking for an initial
456 open paren, return 0. Call read_conditions when appropriate.
457 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
458 dummy-conditions.o. Eliminate references to insn-conditions.o,
459 or change them to build/gencondmd.o, as appropriate. Remove
460 insn-constants.h from $(simple_generated_h) and insn-conditions.c
461 from $(simple_generated_c). For all files remaining in those
462 two lists, add insn-conditions.md to the generator command line.
463 Give insn-constants.h/s-constants their own rules. Add rules
464 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
465 (build/read-rtl.o): Depend on gensupport.h.
466 (genprognormal): Include preds.
467 (genprogearly): Rename genprognoprint; only difference is now that
468 they don't link with $(BUILD_PRINT).
469 * dummy-conditions.c: Delete.
471 2006-01-22 Zack Weinberg <zackw@panix.com>
473 * genextract.c: Don't include insn-config.h. Do include vec.h.
474 Declare vectors of int, char, and locstr.
475 (locstr): New typedef.
476 (struct extraction): Make all array fields into bare pointers.
477 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
478 (insn_code_number): Delete.
479 (accum_extract): New struct.
480 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
481 (gen_insn): Take insn_code_number as an argument. Use an
482 accum_extract structure instead of loading data directly into
483 a struct extraction, and having to know how big it might get.
484 (walk_rtx): Operate entirely on an accum_extract structure.
485 (print_path): Avoid unnecessary use of printf.
486 (print_header): New function, split out of main. Distinguish
487 more carefully between an unrecognizable insn and an insn that
488 has the code number of a define_expand.
489 (main): Pass insn_code_number to gen_insn. Call print_header
490 only after parsing. Avoid unnecessary use of printf.
491 * Makefile.in (build/vec.o): New rule.
492 (build/genextract): Depend on build/vec.o.
493 (build/genextract.o): Don't depend on insn-config.h.
495 2006-01-22 Zack Weinberg <zackw@panix.com>
497 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
498 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
499 practical. Eliminate per-generator-program link rules.
501 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
504 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
505 with a call expr to ...
506 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
508 2006-01-23 Richard Guenther <rguenther@suse.de>
510 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
511 before make_edge with conditional EDGE_TRUE_VALUE.
513 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
514 Jan Hubicka <jh@suse.cz>
515 Richard Guenther <rguenther@suse.de>
517 PR rtl-optimization/25654
518 * cfgexpand.c (aggregate_contains_union_type): New function.
519 (add_alias_set_conflicts): Call it. Make sure to add conflicts
520 for structure variables that contain a union type.
522 2006-01-23 Richard Sandiford <richard@codesourcery.com>
524 * gengtype.c (new_structure): Return the structure.
525 (create_option): Add an extra "next" argument.
526 (create_field): New function.
527 (adjust_field_rtx_def): Use create_option and create_field.
528 Remove a now-unnecessary call to find_structure.
529 (adjust_field_tree_def): Likewise.
530 (note_yacc_type): Remove an unnecessary call to find_structure.
531 * gengtype.h (new_structure): Return the structure.
532 (create_option): Add an extra argument.
533 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
534 (option): Adjust calls to create_option.
536 2006-01-22 David Edelsohn <edelsohn@gnu.org>
538 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
540 2006-01-22 Paul Brook <paul@codesourcery.com>
541 Peter Barada <peter@the-baradas.com>
543 * config/m68k/m68k.md: Add Coldfire FPU support.
544 Define FP mode macro and associated attributes.
545 Use it for float mode patterns.
546 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
547 (LIBCALL_VALUE): Use m68k_libcall_value.
548 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
549 (m68k_function_value): Ditto.
550 (emit_move_sequence): Ditto.
551 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
552 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
553 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
554 (MULTILIB_EXCEPTIONS): Ditto.
555 * config/m68k/m68k.opt: Add mcfv4e.
556 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
557 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
558 (m68k_output_function_prologue): Save ColdFire FPU registers.
559 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
560 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
561 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
562 ColdFire FPU registers.
563 (m68k_libcall_value, m68k_function_value): New functions.
564 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
565 (LIBCALL_VALUE): Use m68k_libcall_value.
566 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
567 (MASK_COLDFIRE): Add MASK_CFV4E.
568 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
569 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
570 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
571 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
572 (GO_IF_LEGITIMATE_ADDRESS): Use it.
573 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
574 * doc/invoke.tex: Document -mcfv4e on m68k.
576 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
578 * doc/contribute.texi: Change CVS to SVN and update the corresponding
581 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
584 * c-opts.c (c_common_handle_option): Don't include
585 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
586 * doc/invoke.texi (C++ Dialect Options): Document that
587 -Wnon-virtual-dtor is no longer included in -Wall.
589 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
591 * gcov.c (print_version), gcov-dump.c (print_version),
592 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
595 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
597 * df-scan.c (problem_SCAN): Added NULL reset function.
598 (df_scan_reset_blocks): Added code to call reset block function
599 (df_bb_refs_delete) Fixed comment.
600 (df_insn_refs_delete): Made tolerant of deleting non existent info
601 for dataflow problems that need to be reset.
602 * df-core.c (df_set_blocks): Ditto.
603 * df.h (struct df_problem): Added reset_fun.
604 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
605 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
606 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
607 functions to clear out all references to def-use or use-def chains.
609 2006-01-21 Ben Elliston <bje@au.ibm.com>
611 * varasm.c (assemble_real): Initialise data array.
613 2006-01-20 Paul Brook <paul@codesourcery.com>
615 Merge from csl-arm-branch.
616 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
617 * config/arm/arm.md (movdi): Force operands[1] to a register
618 if we have a non-register source.
619 (*arm_movdi, *movdf_soft_insn): Require that one of the
620 operands be a register.
621 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
622 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
624 2006-01-20 DJ Delorie <dj@redhat.com>
626 * varasm.c (initialize_constant_valid_p): Allow pointers
627 initialized from integer constants of lesser precision.
628 (output_constant): Allow non-int-sized pointer modes to be
629 initialized from integer constants.
631 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
634 * cppdefault.h (struct default_include): Add multilib flag.
635 * cppdefault.c (cpp_include_defaults): Set it.
636 * c.opt (-imultilib): New option.
637 * c-opts.c (imultilib): New.
638 (c_common_handle_option): Handle -imultilib.
639 (c_common_post_options): Likewise.
640 * c-incpath.c (add_standard_paths, register_include_chains):
642 * c-incpath.h (register_include_chains): Add extra parameter.
643 * gcc.c (do_spec_1): Generate -imultilib option.
644 (The Specs Language): Update %I description.
645 (process_command): Update copyright notice.
646 * doc/cppopts.texi (-imultilib): Document.
647 * doc/invoke.texi (-imultilib): Include in option summary.
648 (%I): Update specs documentation.
650 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
652 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
654 2006-01-20 Richard Sandiford <richard@codesourcery.com>
656 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
659 2006-01-20 Richard Guenther <rguenther@suse.de>
660 Steven Bosscher <stevenb.gcc@gmail.com>
662 PR rtl-optimization/24626
663 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
664 EDGE_TRUE_VALUE if in RTL mode.
667 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
668 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
670 2006-01-20 Dirk Mueller <dmueller@suse.com>
673 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
674 instead of a special NOP marker.
675 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
677 * c-common.h (empty_body_warning): Add forward declaration.
678 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
679 Now uses IS_EMPTY_STMT() instead of special NOP markers.
681 2006-01-20 Paul Brook <paul@codesourcery.com>
683 * Makefile.in (lang_checks): Keep going if mkdir fails.
685 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
687 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
688 be able to clean out basic block when not necessary.
689 (df_scan_free): Fixed to properly delete information if df is
690 unused before calling df_finish.
691 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
692 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
694 (df_bb_refs_delete): New function.
695 (df_refs_delete): Moved per block code to df_bb_refs_delete.
696 * df-core.c (df_set_blocks): Added code to properly clean out
697 unused blocks if they are not part of the blocks to consider.
698 Added additional null check.
699 (df_compact_blocks): Added basic block parameter to free_bb_fun to
700 be able to clean out basic block when not necessary
701 * df.h (df_free_bb_function): Ditto.
702 (df_bb_refs_delete): New function.
703 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
704 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
705 basic block parameter to be able to clean out basic block when not
707 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
708 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
709 Fixed to properly delete information if df is unused before
712 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
714 PR rtl-optimization/25799
715 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
716 Corrected confluence operator to remove bits from op2 before oring
717 with op1 rather than removing bits from op1.
718 (df_ru_transfer_function): Corrected test on wrong bitmap which
719 caused infinite loop. Both of these problems were introduced in
720 the dataflow rewrite.
722 2006-01-19 DJ Delorie <dj@redhat.com>
724 * reload1.c (find_reload_regs): Note the details of reload
725 failures in the dump file.
726 (spill_failure): Likewise.
728 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
730 * loop-iv.c: Include df.h and hashtab.h.
731 (enum iv_grd_result): New enum.
732 (DF_REF_IV, DF_REF_IV_SET): New macros.
733 (struct biv_entry): New.
734 (df, bivs): New global variables.
735 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
736 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
738 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
739 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
740 analyzed_for_bivness_p, record_biv): New functions.
741 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
742 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
743 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
745 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
747 (iv_number_of_iterations): Use new interface to iv analysis.
748 * loop-unroll.c: Do not include varray.h.
749 (analyze_iv_to_split_insn): Use new interface to iv
751 * loop-unswitch.c (may_unswitch_on): Ditto.
752 * df.c (df_bitmaps_free): Only work for bbs for that structures are
754 (df_bb_modify): Realloc tables to the new index.
755 (df_find_use): New function.
756 * df.h (df_find_use): Declare.
757 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
759 * cfgloop.h (struct rtx_iv): Remove analysed field.
760 (iv_get_reaching_def): Removed.
761 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
762 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
763 (loop-iv.o): Add df.h and hashtab.h dependency.
764 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
766 2006-01-20 Alan Modra <amodra@bigpond.net.au>
768 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
770 (__floatundisf, __floatundidf): Likewise.
771 * libgcc2.h (IS_IBM_EXTENDED): Define.
773 2006-01-19 DJ Delorie <dj@redhat.com>
775 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
777 2006-01-19 Paul Brook <paul@codesourcery.com>
779 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
780 as nothrow when unwinding tables are disabled.
782 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
785 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
786 of bit-field" when in system header.
788 2006-01-19 DJ Delorie <dj@redhat.com>
790 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
791 the 16 bit shift limit of the m16c.
793 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
796 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
797 * config/i386/i386.c (output_set_got): Output the label if we have one
798 for the TARGET_DEEP_BRANCH_PREDICTION case.
800 2006-01-19 Jan Hubicka <jh@suse.cz>
801 H.J. Lu <hongjiu.lu@intel.com>
802 Evandro Menezes <evandro.menezes@amd.com>
804 * invoke.texi (generic): Document
806 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
807 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
808 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
809 (x86_use_incdec, x86_pad_returns): New variables
810 (TARGET_CPU_DEFAULT_generic): New constant
811 (TARGET_CPU_DEFAULT_NAMES): Add generic.
812 (enum processor_type): Add generic32 and generic64.
813 * i386.md (cpu attribute): Add generic32/generic64
814 (movhi splitter): Behave sanely when both partial_reg_dependency and
815 partial_reg_stall are set.
816 (K8 splitters): Enable for generic as well.
817 * predicates.md (incdec_operand): Use TARGET_INCDEC
818 (aligned_operand): Avoid memory mismatch stalls.
819 * athlon.md: Enable for generic64, new patterns for 128bit moves.
820 * ppro.md: Enable for generic32
821 * i386.c (generic64_cost, generic32_cost): New.
822 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
823 (x86_use_leave): Enable for generic64. (x86_use_sahf,
824 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
825 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
826 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
827 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
828 x86_partial_reg_dependency, x86_memory_mismatch_stall,
829 x86_accumulate_outgoing_args, x86_prologue_using_move,
830 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
831 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
833 (x86_use_incdec, x86_pad_returns): New.
834 (override_options): Add generic32 and generic64, translate "generic"
835 to generic32/generic64 and "i686" to "generic32", refuse
836 "generic32"/"generic64" as arch target.
837 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
838 (ix86_reorg): Honor PAD_RETURNS.
840 2006-01-19 Diego Novillo <dnovillo@redhat.com>
842 * tree-pretty-print.c (dump_generic_node): Handle
843 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
844 * cgraph.c (cgraph_expand_queue): Rename from
845 cgraph_analyze_queue. Update all users.
846 * cgraphunit.c (cgraph_assemble_pending_functions): Process
848 (cgraph_expand_all_functions): Likewise.
849 (cgraph_finalize_pending_functions): Remove. Update callers.
851 * tree.h (OMP_DIRECTIVE_P): Define.
852 (OMP_PARALLEL_FN): Define.
853 (OMP_PARALLEL_DATA_ARG): Define.
854 (OMP_SECTIONS_SECTIONS): Define.
855 * tree-pass.h (pass_expand_omp): Declare.
856 * omp-low.c (struct omp_region): Declare.
857 (struct omp_context): Remove fields 'parallel_type',
858 'parallel_start_ix' and 'parallel_start_additional_args'.
860 (struct omp_for_data): Rename from struct expand_omp_for_data.
861 (omp_regions): New static variable.
862 (root_omp_region): New static variable.
863 (find_omp_clause): Make static.
864 (is_in_combined_parallel_ctx): Remove.
865 (is_combined_parallel): New.
866 (extract_omp_for_data): Move earlier in the file.
867 (workshare_safe_to_combine_p): New.
868 (get_ws_args_for): New.
869 (determine_parallel_type): Move earlier in the file.
870 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
872 (omp_copy_decl): Likewise.
873 (create_omp_child_function): Likewise.
874 (lookup_omp_region): New.
875 (dump_omp_region): New.
876 (debug_omp_region): New.
877 (debug_all_omp_regions): New.
878 (new_omp_region): New.
879 (scan_omp_parallel): If parallel_nesting_level > 1, the
880 directive is nested within another parallel directive.
882 (scan_omp_for): Do not try to handle combined parallel+for
884 Remove FIXME comment.
885 (scan_omp_nested): Remove.
886 (scan_omp_1): Do not call scan_omp_nested when
887 parallel_nesting_level is > 1.
888 Do not change the DECL_CONTEXT of local variables found.
889 (lookup_decl_in_outer_ctx): New.
890 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
891 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
892 (lower_reduction_clauses): Rename from expand_reduction_clauses.
893 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
894 If CTX is nested, lookup VAR in the outer context when
895 building copy assignment.
896 (lower_send_clauses): Rename from expand_send_clauses.
897 If CTX is nested, lookup VAR in the outer context when
898 building copy assignments.
899 (lower_send_shared_vars): Rename from expand_send_shared_vars.
900 If CTX is nested, lookup VAR in the outer context when
901 building copy assignments.
902 (expand_parallel_call): Rename from build_parallel_call.
903 Handle combined parallel+workshare cases.
904 Re-implement to emit code into the CFG.
906 (expand_omp_parallel): Re-implement to emit code into the CFG.
907 Call move_sese_region_to_fn to outline the sub-graph
908 containing the parallel region.
909 (expand_omp_for_1): Remove.
910 (expand_omp_for_generic): Re-implement to emit code into the
912 (expand_omp_for_static_nochunk): Likewise.
913 (expand_omp_for_static_chunk): Likewise.
914 (expand_omp_for): Likewise.
915 (expand_omp_sections): Likewise.
916 (remove_exit_barriers): New.
917 (expand_omp_synch): New.
919 (build_omp_regions_1): New.
920 (build_omp_regions): New.
921 (execute_expand_omp): New.
922 (gate_expand_omp): New.
923 (pass_expand_omp): Define.
924 (lower_omp_sections): Rename from expand_omp_sections.
925 Set OMP_SECTIONS_SECTIONS.
926 (lower_omp_single_simple): Rename from expand_omp_single_simple.
927 (lower_omp_single_copy): Rename from expand_omp_single_copy.
928 (lower_omp_single): Rename from expand_omp_simple.
929 (lower_omp_master): Rename from expand_omp_master.
930 (lower_omp_ordered): Rename from expand_omp_ordered.
931 (lower_omp_critical): Rename from expand_omp_critical.
932 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
933 (lower_omp_for): Re-implement.
934 (lower_omp_parallel): Re-implement.
935 (lower_regimplify): Rename from expand_regimplify.
936 (lower_omp_1): Rename from expand_omp_1.
937 If there are syntax errors in the program, replace every
938 OpenMP directive with NOP.
939 Call lower_omp_* instead of expand_omp_*.
940 (lower_omp): Rename from expand_omp.
942 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
943 * tree-gimple.h (enum omp_parallel_type): Remove.
944 (gimple_boolify): Declare extern.
945 (find_omp_clause, determine_parallel_type): Remove.
947 * gimple-low.c (lower_omp_directive): New.
948 (lower_stmt): Call it.
949 (record_vars_into): Move from ...
950 (record_vars): ... here.
951 Call record_vars_into with current_function_decl.
953 * gimplify.c (struct gimplify_ctx): Remove fields
954 combined_pre_p and combined_ctxp. Update users.
955 (get_formal_tmp_var): Add documentation.
956 (gimple_boolify): Make extern.
957 (gimplify_expr_in_ctx): Remove. Update callers.
958 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
959 will always be a BIND_EXPR.
960 (gimplify_expr): Handle OMP_RETURN_EXPR.
961 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
962 (OMP_PARALLEL): Add 3 operands.
963 (OMP_SECTIONS): Add 1 operand.
964 (OMP_RETURN_EXPR): Define.
966 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
967 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
968 * tree-iterator.c (alloc_stmt_list): Assert that we are not
969 creating a circular free list.
970 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
972 * tree-flow.h (move_sese_region_to_fn): Declare.
973 (record_vars_into): Declare.
974 * tree-cfg.c (make_omp_sections_edges): New.
975 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
976 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
977 OMP_SECTIONS and OMP_SECTION.
978 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
979 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
980 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
981 (gather_blocks_in_sese_region): New.
982 (struct move_stmt_d): Declare.
984 (move_block_to_fn): New.
985 (move_sese_region_to_fn): New.
987 * passes.c (init_optimization_passes): Schedule
988 pass_expand_omp after pass_init_datastructures.
990 * tree-ssa-operands.c (get_expr_operands): Handle
991 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
992 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
994 2006-01-19 Jeff Law <law@redhat.com>
996 * tree-vrp.c (extract_range_from_assert): Refine the result range
997 if the variable referenced by the ASSERT_EXPR has a range and
998 either the tentative result range or the previous range is a
1001 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1003 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
1005 2006-01-19 Jan Hubicka <jh@suse.cz>
1007 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
1009 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
1011 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
1012 (expand_compound_operation, expand_field_assignment): Fail if the
1013 bit lengths of an extract operation are out of range.
1014 (make_extraction): Compute wanted_inner_mode based on the position
1015 and length of the extraction. Make it extraction_mode for non-constant
1016 positions, and do not modify offset in that case. When generating a
1017 new MEM, use a mode that can hold the extraction while keeping correct
1018 alignment. Remove code that supported MEMs wrapped by USEs.
1019 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
1021 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
1023 * config/s390/s390.md ("Y", "y"): New mode attribute.
1024 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1025 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
1026 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
1027 "*addsi3_imm_cc", "*addsi3_carry1_cc",
1028 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
1029 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
1030 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
1031 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
1032 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
1033 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
1034 "addsi3", "subsi3"): Insn patterns removed.
1035 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
1036 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
1037 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
1038 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
1039 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
1040 "*sub<mode>3_cconly2"): New insn patterns.
1041 ("addsi3", "subsi3"): New expanders.
1043 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
1045 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
1046 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
1047 existing STMT_VINFO_VECTYPE if available.
1048 (vect_mark_relevant): Add special handling for stmts that are
1049 marked as STMT_VINFO_IN_PATTERN_P.
1050 (vect_analyze_loop): Call vect_pattern_recog.
1051 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1052 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
1054 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
1055 (vect_recog_func_ptr): New function-pointer type.
1056 * tree-vect-patterns.c: New file.
1057 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
1058 (vect_recog_dot_prod_pattern, vect_pattern_recog):
1059 (vect_pattern_recog_1): New functions.
1060 (vect_pattern_recog_funcs): New array of function pointers.
1062 * tree-vectorizer.h (ternary_op): New enum value.
1063 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
1064 declaration. Revised documentation. Removed redundant dump prints.
1065 Removed redundant argument. Added support for reduction patterns.
1066 (vectorizable_reduction): Added support for reduction patterns.
1067 (vect_transform_stmt): Added support for patterns.
1069 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
1070 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
1071 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
1072 (expand_widen_pattern_expr): New function.
1073 (init_optabs): Initialize new optabs udot_prod_optab,
1075 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
1076 (sdot_prod_optab, udot_prod_optab): Define new optabs.
1077 (expand_widen_pattern_expr): New function declaration.
1078 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
1080 * tree-inline.c (estimate_num_insns_1): Added cases for new
1081 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1082 * tree-pretty-print.c (dump_generic_node): Likewise.
1083 (op_prio): Likewise.
1084 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1085 * tree-ssa-operands.c (get_expr_operands): Added case for
1087 * tree-vect-patterns.c (widened_name_p): New function.
1088 (vect_recog_dot_prod_pattern): Added function implementation.
1089 * tree-vect-transform.c (get_initial_def_for_reduction): Added
1090 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
1091 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
1092 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
1094 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
1095 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
1096 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
1097 (init_optabs): Initialize new optabs widen_ssum_optab,
1099 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
1100 (widen_ssum_optab, widen_usum_optab): Define new optabs.
1101 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
1102 use instead of type of def.
1103 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
1104 function implementation.
1105 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
1106 widen_ssumv8hi): New.
1108 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
1111 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1114 * c-decl.c (add_flexible_array_elts_to_size): New function.
1115 (finish_decl): Use it.
1117 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
1119 * diagnostic.h: Include options.h.
1120 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
1121 dependancies for diagnostic.h.
1122 * Makefile.in (DIAGNOSTIC_H): Add options.h.
1124 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
1126 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
1127 (ssa_ro_call_cache_valid): Ditto.
1128 * tree-ssa-alias.c (sort_tags_by_id): New function.
1129 (init_transitive_clobber_worklist): Ditto.
1130 (add_to_worklist): Ditto.
1131 (mark_aliases_call_clobbered): Ditto.
1132 (compute_tag_properties): Ditto.
1133 (set_initial_properties): Ditto.
1134 (compute_call_clobbered): Ditto.
1135 (compute_may_aliases): Call compute_call_clobbered and grouping.
1136 (compute_flow_sensitive_aliasing): Remove clobbering related code.
1137 (compute_flow_insensitive_aliasing): Grouping now happens in our
1139 (setup_pointers_and_addressables): Remove clobbering related code.
1140 (add_may_alias): Ditto.
1141 (replace_may_alias): Ditto.
1142 (get_nmt_for): Ditto.
1143 (create_global_var):
1144 (is_escape_site): Return an escape_type enumeration.
1145 * tree-flow-inline.h (is_call_clobbered): Global var does not
1146 imply call clobbered.
1147 (mark_call_clobbered): Take a reason for marking this. Remove
1148 marking of globalness, and cache invalidation.
1149 (clear_call_clobbered): Remove cache invalidation code.
1150 * tree-dfa.c (dump_variable): If details is on, dump the reason
1152 * tree-outof-ssa.c (create_temp): Copy escape mask from original
1154 * tree-flow.h (struct ptr_info_def): Add escape mask member.
1155 (struct var_ann_d): Ditto.
1156 (enum escape_type): New.
1157 (mark_call_clobbered): Adjust prototype.
1158 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
1159 are never call clobbered.
1160 Record reasons for escaping.
1161 * tree-ssa-structalias.h (is_escape_site): Update prototype.
1162 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
1163 (ssa_ro_call_cache_valid): Ditto.
1164 (clobbered_v_may_defs): Ditto.
1165 (clobbered_vuses): Ditto.
1166 (ro_call_vuses): Ditto.
1167 (clobber_stats): New.
1168 (init_ssa_operands): Zero out clobber stats.
1169 (fini_ssa_operands): Print out clobber stats.
1170 (get_call_expr_operands): Pass callee fndecl to
1172 (add_call_clobber_ops): Remove use of cache.
1173 Add use of PURE_CONST information.
1174 (add_call_read_ops): Remove use of cache.
1175 Add use of static not_read information.
1177 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
1179 Introduce TLS descriptors for i386 and x86_64.
1180 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
1181 (TARGET_ANY_GNU_TLS): New macro.
1182 (enum tls_dialect): Added TLS_DIALECT_GNU2.
1183 (struct machine_function): Add tls_descriptor_call_expanded_p.
1184 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
1185 (ix86_current_function_calls_tls_descriptor): Likewise.
1186 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
1187 (override_options): Introduce gnu2 tls dialect.
1188 (ix86_frame_pointer_required): Functions containing TLSCALLs are
1190 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
1192 (legitimize_tls_address): Adjust logic for GNU2 TLS.
1193 (ix86_init_machine_status): Initialize new field.
1194 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
1195 (ix86_tls_module_base): New.
1196 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
1197 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
1198 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
1199 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
1200 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
1201 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
1202 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
1203 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
1204 * config/i386/predicates.md (tls_modbase_operand): New.
1205 (tp_or_register_operand): New.
1207 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
1209 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
1210 (look_for_address_of): Ditto.
1211 (ipa_init): Walk the function decls.
1212 (static_execute): Don't set readonly on FUNCTION_DECL's.
1214 2006-01-18 Roger Sayle <roger@eyesopen.com>
1216 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
1217 for shifts where the source and destination registers are different.
1219 2006-01-18 Paul Brook <paul@codesourcery.com>
1221 Merge from csl-arm-branch.
1222 2005-03-14 Julian Brown <julian@codesourcery.com>
1223 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
1224 (aeabi_llsl): Likewise.
1225 (ashrdi3): Likewise.
1226 (aeabi_lasr): Likewise.
1227 (lshrdi3): Likewise.
1228 (aeabi_llsr): Likewise.
1229 2005-03-10 Julian Brown <julian@codesourcery.com>
1230 * config.gcc: Disable shared libgcc for SymbianOS.
1231 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
1233 2006-01-18 DJ Delorie <dj@redhat.com>
1235 * c-pragma.c (handle_pragma_diagnostic): New.
1236 (init_pragma): Register it.
1237 * doc/extend.texi: Document it.
1239 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
1240 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
1241 (diagnostic_context): Add classify_diagnostic[].
1242 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
1243 as errors if they're overridden to DK_WARNING.
1244 (diagnostic_initialize): Initialize classify_diagnostic[].
1245 (diagnostic_set_kind_override): New.
1246 (diagnostic_report_diagnostic): Check for kind changes.
1247 * opts.c (common_handle_option): Take lang_mask. Update callers.
1249 * common.opt (Werror=): New.
1250 * doc/invoke.texi: Document -Werror=*
1252 2006-01-18 Jeff Law <law@redhat.com>
1254 * tree-vrp.c (test_for_singularity): Correct test for new
1255 min limit. Use operand_equal_p rather than pointer equality
1256 for testing if new min/max values are equal.
1258 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
1259 using range information until after propagation and folding.
1261 2006-01-18 Richard Henderson <rth@redhat.com>
1262 Aldy Hernandez <aldyh@redhat.com>
1263 Jakub Jelinek <jakub@redhat.com>
1264 Diego Novillo <dnovillo@redhat.com>
1266 * omp-low.c: New file.
1267 * c-omp.c: New file.
1269 2006-01-18 Richard Henderson <rth@redhat.com>
1270 Jakub Jelinek <jakub@redhat.com>
1271 Diego Novillo <dnovillo@redhat.com>
1273 * doc/invoke.texi: Document -fopenmp.
1274 * tree-dump.h (debug_function): Declare.
1275 * hooks.c (hook_bool_tree_bool_false): New function.
1276 (hook_tree_tree_null): Remove.
1277 (hook_tree_tree_tree_null): New.
1278 * hooks.h: Update to match.
1279 * tree-pretty-print.c (debug_tree_chain): New.
1280 (print_generic_expr): Handle TDF_CHAIN.
1281 (dump_generic_node): Handle BLOCK.
1282 Do not abort with incomplete SWITCH_EXPRs.
1283 Do not dump body of an OpenMP directive if TDF_SLIM is given.
1284 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
1285 print space after directive name.
1286 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
1287 Handle OMP_MASTER and OMP_ORDERED.
1288 Handle printing of OMP_BODY just in one place, goto
1289 dump_omp_body in the rest of OMP_* nodes that have
1291 Don't handle clause nodes here. Update omp statements to
1292 use dump_omp_clauses.
1293 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
1294 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
1295 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
1296 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
1297 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
1298 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
1299 Adjust output for GOMP_PARALLEL.
1300 (dump_omp_clauses): New.
1301 (print_declaration): Dump DECL_VALUE_EXPR.
1302 (op_symbol_1): Split out of op_symbol.
1303 (dumping_stmts): Remove. Update all users.
1304 * cgraph.c (cgraph_analyze_queue): New.
1305 (cgraph_add_new_function): New.
1306 * cgraph.h (cgraph_analyze_queue): Declare.
1307 (cgraph_add_new_function): Declare.
1308 (cgraph_lower_function): Remove.
1309 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
1310 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
1311 and TYPE_P nodes in its default clause.
1312 (empty_body_p): New.
1313 (tree_range_check_failed): New.
1315 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
1316 OMP_CLAUSE_REDUCTION_MERGE,
1317 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
1318 OMP_CLAUSE_PRIVATE_DEBUG,
1319 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
1320 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
1321 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
1322 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
1323 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
1324 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
1325 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
1326 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
1327 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
1328 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
1329 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
1330 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
1331 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
1332 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
1333 (TREE_RANGE_CHECK): New.
1334 (empty_body_p): Declare.
1335 (enum omp_clause_default_kind): New.
1336 (build_string_literal): Declare.
1337 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
1338 (build5_stat, build5): Declare.
1339 * tree-pass.h (TDF_CHAIN): Define.
1340 * tree-pass.h (PROP_gimple_lomp): Define.
1341 (pass_lower_omp): Declare.
1342 * diagnostic.h (debug_tree_chain): Declare.
1343 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
1345 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
1346 * builtins.c (build_string_literal): Make extern.
1347 * gcc.c (include_spec_function): New.
1348 (static_spec_functions): Add it.
1349 (main): Move load of libgomp.spec ...
1350 (LINK_COMMAND_SPEC): ... here.
1351 (link_gomp_spec): New.
1352 (static_specs): Include it.
1353 (LINK_COMMAND_SPEC): Add link_gomp.
1354 (GOMP_SELF_SPECS): New.
1355 (driver_self_specs): Include it.
1356 (switch_matches): Don't mark inline.
1357 (main): Load libgomp.spec.
1358 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
1359 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
1360 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
1361 * tree-gimple.h (enum omp_parallel): Declare.
1362 (determine_parallel_type): Declare.
1363 (omp_firstprivatize_variable): Declare.
1364 (omp_reduction_init): Declare.
1365 (diagnose_omp_structured_block_errors): Declare.
1366 (struct walk_stmt_info): Add want_return_expr.
1367 (struct walk_stmt_info): Add want_bind_expr, want_locations.
1368 (find_omp_clause): Declare.
1369 (insert_field_into_struct): Declare.
1370 (struct walk_stmt_info): Move from tree-nested.c
1371 (walk_stmts): Declare.
1372 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
1374 * cgraphunit.c (cgraph_lower_function): Make static.
1375 (cgraph_finalize_pending_functions): New.
1376 (cgraph_finalize_function): Call it.
1377 (cgraph_finalize_compilation_unit): Likewise.
1378 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
1379 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
1380 (BT_FN_UINT_UINT): New.
1381 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
1382 DEF_FUNCTION_TYPE_VAR_4): Document.
1383 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
1384 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
1385 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
1386 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
1387 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
1388 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
1389 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
1390 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
1391 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
1392 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
1393 into separate files.
1394 (DEF_GOMP_BUILTIN): New.
1395 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
1396 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
1397 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
1398 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
1399 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
1400 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
1401 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
1402 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
1403 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
1404 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
1405 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
1406 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
1407 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
1408 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
1409 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
1410 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
1411 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
1412 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
1413 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
1414 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
1415 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
1416 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
1417 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
1418 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
1419 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
1420 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
1421 * sync-builtins.def: New file, moved from builtins.def.
1422 * omp-builtins.def: New file, moved from builtins.def.
1423 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
1424 * gimple-low.c (lower_function_body): Clear data.
1425 (lower_stmt): Do not handle COMPOUND_EXPR.
1426 Remove call to print_node_brief.
1427 * c-tree.h (c_finish_omp_clauses): New prototype.
1428 (C_DECL_THREADPRIVATE_P): Define.
1429 (lookup_name_no_remap, c_omp_remap_private): Remove
1430 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
1431 (check_for_loop_decls): Update decl.
1432 (lookup_name_no_remap, c_omp_remap_private): Declare.
1433 (build_indirect_ref, build_modify_expr, pushdecl,
1434 pushdecl_top_level): Move to c-common.h.
1435 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
1436 before the switch, but just in the 2 places that need it.
1437 * c-decl.c (diagnose_mismatched_decls): Do not check for
1438 mismatched thread-local attributes when OLDDECL is marked
1439 threadprivate and NEWDECL has no thread-local attributes.
1440 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
1441 (c_gimple_diagnostics_recursively): Rename from
1442 c_warn_unused_result_recursively. Invoke
1443 diagnose_omp_structured_block_errors.
1444 (check_for_loop_decls): Return a singular decl found.
1445 * langhooks.c (lhd_omp_predetermined_sharing): Return
1446 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
1447 (lhd_omp_firstprivatize_type_sizes): New.
1448 (lhd_omp_assignment): New.
1449 (lhd_omp_predetermined_sharing): New.
1450 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
1451 (struct lang_hooks_for_types): Add
1452 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
1453 omp_predetermined_sharing, omp_disregard_value_expr,
1454 omp_private_debug_clause, omp_clause_default_ctor,
1455 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
1456 (c_finish_omp_clauses): New.
1457 (c_finish_bc_stmt): Diagnose break within omp for.
1458 (c_begin_omp_parallel, c_finish_omp_parallel): New.
1459 (build_unary_op): Return error_mark after reporting
1461 (build_modify_expr): Likewise.
1462 * gimplify.c: Include optabs.h and pointer-set.h.
1463 (enum gimplify_omp_var_data): Declare.
1464 (struct gimplify_omp_ctx): Declare.
1465 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
1467 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
1468 (push_gimplify_context, pop_gimplify_context): Allow nesting.
1469 (splay_tree_compare_decl_uid): New.
1470 (new_omp_context): New.
1471 (delete_omp_context): New.
1472 (gimple_add_tmp_var): Call omp_add_variable.
1473 (gimplify_bind_expr): Likewise.
1474 (gimplify_var_or_parm_decl): If omp_notice_variable returned
1475 true, disregard DECL_VALUE_EXPR on the decl if any.
1476 (gimplify_expr_in_ctx): New.
1477 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
1478 omp_add_variable, omp_notice_variable, omp_is_private
1479 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
1480 gimplify_adjust_omp_clauses, gimplify_omp_parallel
1481 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
1482 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
1483 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
1484 gimplify_omp_atomic): New.
1485 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1486 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1487 OMP_CRITICAL and OMP_ATOMIC.
1488 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
1489 * c-pragma.h (enum pragma_kind): Add
1490 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
1491 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
1492 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
1493 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
1494 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
1495 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
1496 PRAGMA_OMP_THREADPRIVATE.
1497 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1498 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1499 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
1500 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
1501 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
1502 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
1503 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
1504 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
1505 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
1506 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
1507 * tree-ssa-dce.c (find_control_dependence): Do not assume that
1508 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
1509 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
1511 (struct nesting_info): Add field_map,
1512 suppress_expansion, debug_var_chain.
1513 (create_nesting_tree): Initialize them.
1514 (lookup_field_for_decl): Use field_map.
1515 (get_nonlocal_debug_decl, get_local_debug_decl): New.
1516 (convert_local_omp_clauses): New.
1517 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
1518 (walk_body): Split out of walk_function.
1519 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
1520 (convert_nonlocal_reference): Handle omp statements.
1521 (convert_local_reference): Likewise.
1522 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
1523 (unnest_nesting_tree): New.
1524 (lower_nested_functions): Call it.
1525 (insert_field_into_struct): Make extern.
1526 (struct walk_stmt_info): Move to tree-gimple.h.
1527 (walk_stmts): Make extern.
1528 * omp-builtins.def: New file.
1529 * tree-iterator.c (expr_only): Clarify comment.
1530 * c-common.h (pushdecl_top_level, pushdecl,
1531 build_modify_expr, build_indirect_ref,
1532 c_finish_omp_master, c_finish_omp_critical,
1533 c_finish_omp_ordered, c_finish_omp_barrier,
1534 c_finish_omp_atomic, c_finish_omp_flush,
1535 c_finish_omp_for, c_split_parallel_clauses,
1536 omp_clause_default_kind, c_omp_sharing_predetermined,
1537 c_omp_remap_decl): Declare.
1538 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
1539 (OBJS-common): Add omp-low.o.
1540 (c-omp.o, omp-low.o): Add.
1541 (gimplify.o): Add dependency on $(OPTABS_H).
1542 (GTFILES): Add omp-low.c.
1543 (gt-stringpool.h): Add.
1544 * tree-cfg.c (set_bb_for_stmt): Do not update the
1545 block-to-labels map if we are currently expanding to RTL.
1546 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
1548 Handle IDENTIFIER_NODE.
1549 (tree_verify_flow_info): Do not ICE when emitting error
1550 messages about invalid labels.
1551 (dump_function_to_file): Reset CFUN before emitting the body
1553 (debug_function): New.
1554 * passes.c (init_optimization_passes): Schedule
1556 * langhooks-def.h (lhd_omp_predetermined_sharing,
1557 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
1559 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
1560 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
1561 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
1562 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
1563 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
1564 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
1565 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
1566 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
1567 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
1568 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
1569 (LANG_HOOK_DECLS): Use them.
1571 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
1572 Richard Henderson <rth@redhat.com>
1573 Jakub Jelinek <jakub@redhat.com>
1574 Diego Novillo <dnovillo@redhat.com>
1576 * c-parser.c (pragma_omp_clause): Define.
1577 (c_parser_declaration_or_fndef): Document OpenMP syntax.
1578 (c_parser_compound_statement): Likewise.
1579 (c_parser_statement): Likewise.
1580 (c_parser_pragma): Handle omp pragmas.
1581 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
1582 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
1583 (c_parser_omp_clause_name, check_no_duplicate_clause,
1584 c_parser_omp_variable_list,
1585 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
1586 c_parser_omp_clause_copyprivate,
1587 c_parser_omp_clause_default,
1588 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
1589 c_parser_omp_clause_lastprivate,
1590 c_parser_omp_clause_nowait,
1591 c_parser_omp_clause_num_threads,
1592 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
1593 c_parser_omp_clause_reduction,
1594 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
1595 c_parser_omp_all_clauses, c_parser_omp_structured_block,
1596 c_parser_omp_atomic, c_parser_omp_barrier,
1597 c_parser_omp_critical, c_parser_omp_flush,
1598 c_parser_omp_for_loop, c_parser_omp_for,
1599 c_parser_omp_master, c_parser_omp_ordered,
1600 c_parser_omp_sections_scope, c_parser_omp_sections,
1601 c_parser_omp_parallel, c_parser_omp_single,
1602 c_parser_omp_construct, c_parser_omp_threadprivate): New.
1603 * c-pragma.c (init_pragma): Do omp pragma registration here.
1604 * c.opt (fopenmp): New flag.
1606 2006-01-18 Eric Christopher <echristo@apple.com>
1608 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
1609 * config/darwin.h (GOMP_SELF_SPECS): Define.
1611 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1613 * rtl.h: Remove the prototype for reg_alloc.
1615 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1618 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
1619 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
1620 sjlj and dwarf2 exception handling.
1621 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
1622 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
1623 * pa/pa.c (function_value): Treat complex and vector types as
1625 (function_arg): Likewise. Only pass scalar floats in the floating
1626 point argument registers.
1627 * pa/t-slibgcc-dwarf-ver: New file.
1628 * pa/t-slibgcc-sjlj-ver: New file.
1629 * pa/t-slibgcc-elf-ver: Delete file.
1631 2006-01-19 Alan Modra <amodra@bigpond.net.au>
1633 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
1634 unlikely_test_section_p test.
1636 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1638 * mode-switching.c (optimize_mode_switching): Make it static.
1639 * basic-block.h: Remove the prototype for
1640 optimize_mode_switching.
1642 * modulo-sched.c (sms_schedule): Make it static.
1643 * rtl.h: Remove the prototype for sms_schedule.
1645 * postreload-gcse.c (gcse_after_reload_main): Make it static.
1646 * rtl.h: Remove the prototype for gcse_after_reload_main.
1648 * reg-stack.c (reg_to_stack): Make it static.
1649 * rtl.h: Remove the prototype for reg_to_stack.
1651 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
1653 * rtl.h: Remove the prototypes for regrename_optimize and
1654 copyprop_hardreg_forward.
1656 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
1658 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
1659 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
1660 Test against the appropriate null constant for the mode.
1661 If 'fixup_overlap' is true, swap the operands if they overlap.
1662 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
1663 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
1664 alpha_split_tmode_pair and adjust for above change.
1665 * config/alpha/alpha.md (movtf_internal): Adjust call to
1666 alpha_split_tfmode_pair and rely on it to swap the operands.
1667 (movti_internal): New insn and post-reload splitter.
1668 (movti): New expander.
1670 2006-01-18 Philippe De Muyter <phdm@macqel.be>
1672 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
1675 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1677 * rtlanal.c (global_reg_mentioned_p_1,
1678 global_reg_mentioned_p): Remove.
1679 * rtl.h: Remove the prototype for global_reg_mentioned_p.
1681 * flow.c (initialize_uninitialized_subregs): Make it static.
1682 * rtl.h: Remove the prototype for
1683 initialize_uninitialized_subregs.
1685 * function.c (instantiate_virtual_regs): Make it static.
1686 * function.h: Remove the prototype for
1687 instantiate_virtual_regs.
1689 * regmove.c (regmove_optimize, combine_stack_adjustments):
1691 * rtl.h: Remove the prototypes for regmove_optimize and
1692 combine_stack_adjustments.
1694 2006-01-17 Roger Sayle <roger@eyesopen.com>
1696 * config/i386/i386.c (COSTS_N_BYTES): New macro.
1697 (size_cost): Encode costs in bytes so that a reg-reg addition is
1698 equivalent to COSTS_N_INSNS(1).
1699 (override_options): Use the size_cost.branch_cost as the default
1700 ix86_branch_cost when optimizing for size.
1702 2006-01-18 Ben Elliston <bje@au.ibm.com>
1704 * Makefile.in (D32PBIT_FUNCS): New.
1705 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
1706 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
1707 D64PBIT_FUNCS and D128PBIT_FUNCS.
1708 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
1709 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
1711 (decnumber_dep): Define.
1712 * doc/libgcc.texi (Decimal float library routines): New node.
1713 * config/dfp-bit.h, config/dfp-bit.c: New files.
1715 2006-01-18 Ben Elliston <bje@au.ibm.com>
1717 * expr.c (emit_move_change_mode): Always adjust addresses, not
1718 just during reload. Copy replacements only during reload.
1719 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
1720 emit_move_via_integer.
1722 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
1724 * Makefile.in (check-%, check-consistency): Use $${srcdir}
1725 instead of $(srcdir) and ${srcdir}.
1727 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
1731 * arm.h (struct machine_function): Add pic_reg.
1732 * arm.c (arm_pic_register): Make unsigned.
1733 (arm_override_options): Only set arm_pic_register if
1734 TARGET_SINGLE_PIC_BASE.
1735 (use_return_insn): Only test for a pic register if it is fixed.
1736 (arm_compute_save_reg0_reg12_mask): Likewise.
1737 (thumb_compute_save_reg_mask): Likewise.
1738 (legitimate_pic_operand): Factor out some known invariants.
1739 (legitimize_pic_address): If we don't have a fixed pic register,
1740 then set up a pseudo in the function entry sequence. Handle the
1741 pic base being in a pseudo.
1742 (arm_load_pic_register): Handle the pic register being in a pseudo.
1743 (arm_expand_prologue): Only set up the pic register if it is fixed.
1744 (thumb_expand_prologue): Likewise.
1745 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
1746 (pic_load_addr_based_insn): Likewise.
1747 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
1750 2006-01-18 Ben Elliston <bje@au.ibm.com>
1752 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
1753 decimal float modes for all floating point registers.
1755 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
1756 match_code "mem" with match_test "macho_lo_sum_memory_operand".
1758 2006-01-17 Jakub Jelinek <jakub@redhat.com>
1761 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
1762 even when the pointer is not NULL.
1764 2006-01-16 Ian Lance Taylor <ian@airs.com>
1766 * common.opt (ftoplevel-reorder): New option.
1767 * cgraph.c (cgraph_asm_nodes): New global variable.
1768 (cgraph_asm_last_node): New static variable.
1769 (cgraph_order): New global variable.
1770 (cgraph_create_node): Set new order field.
1771 (cgraph_varpool_node): Likewise.
1772 (decide_is_variable_needed): Return true if not
1773 flag_toplevel_reorder.
1774 (cgraph_add_asm_node): New function.
1775 * cgraph.h (struct cgraph_node): Add order field.
1776 (struct cgraph_varpool_node): Add order field.
1777 (struct cgraph_asm_node): Define.
1778 (cgraph_asm_nodes, cgraph_order): Declare.
1779 (cgraph_add_asm_node): Declare.
1780 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
1782 (cgraph_varpool_assemble_pending_decls): Call it.
1783 (cgraph_output_pending_asms): New static function.
1784 (cgraph_finalize_compilation_unit): Call it.
1785 (struct cgraph_order_sort): Define.
1786 (cgraph_output_in_order): New static function.
1787 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
1788 !flag_toplevel_reorder case.
1789 * c-parser.c: Include "cgraph.h".
1790 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
1792 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
1793 than -fno-unit-at-a-time.
1794 * doc/invoke.texi (Option Summary): Mention
1795 -fno-toplevel-reorder.
1796 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
1797 -funit-at-a-time documentation.
1799 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
1800 Kazu Hirata <kazu@codesourcery.com>
1802 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
1804 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
1806 * Makefile.in (FUNCTION_H): New. Use it instead of
1807 function.h throughout the file.
1808 * function.h: Include tree.h.
1810 2006-01-17 Ben Elliston <bje@au.ibm.com>
1812 * recog.c: Separate some functions with whitespace.
1814 2006-01-16 Richard Henderson <rth@redhat.com>
1816 Merge from gomp branch:
1817 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
1818 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
1819 and rename from struct inline_data. Rename callee* to dst*;
1820 caller* to src*; add copy_decl hook, transform_call_graph_edges,
1821 transform_new_cfg, transform_return_to_modify, and
1822 transform_lang_insert_block flags; remove cloning_p, versioning_p,
1824 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
1825 (copy_decl_for_dup): Remove.
1826 * tree-inline.c (struct inline_data): Move to header.
1827 (insert_decl_map): Export.
1828 (remap_decl): Update for member name changes. Use copy_decl hook.
1829 Allow for replacement to be a non-decl. Remove dead code.
1830 (remap_type_1): Check for existing mapping.
1831 (remap_type): Export.
1832 (remap_decls): Update for member name changes.
1833 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
1834 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
1835 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
1836 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
1837 (tree_function_versioning, build_duplicate_type): Likewise.
1838 (copy_body_r): Likewise. Export.
1839 (copy_decl_for_dup): Split into ...
1840 (copy_decl_for_dup_finish, copy_decl_to_var,
1841 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
1842 (replace_ref_tree, inlining_p): Remove.
1844 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1846 * ifcvt.c (if_convert): Make it static.
1847 * rtl.h: Remove the prototype for if_convert.
1849 * local-alloc.c (local_alloc): Make it static.
1850 * rtl.h: Remove the prototype for local_alloc.
1852 * loop.c (loop_optimize): Make it static.
1853 * cfgloop.h: Remove the prototype for loop_optimize.
1856 2006-01-16 DJ Delorie <dj@redhat.com>
1858 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
1861 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1863 * pa.md: Disparage copies between general and floating-point registers
1864 in 32-bit move patterns.
1866 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
1869 * Makefile.in (check-%): Depend on site.exp instead of
1870 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
1873 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1875 * global.c (global_alloc): Make it static.
1876 * rtl.h: Remove the prototype for global_alloc.
1878 2006-01-16 Richard Guenther <rguenther@suse.de>
1880 * tree-ssa-alias.c (struct used_part): Add write_only field.
1881 (get_or_create_used_part_for): Initialize it to true.
1882 (create_overlap_variables_for): Don't create structure variables
1883 for structures that only are written to.
1884 (find_used_portions): Handle MODIFY_EXPR to track whether a
1885 structure is only written to.
1887 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1889 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
1891 * basic-block.h: Remove the prototype for
1892 partition_hot_cold_basic_blocks.
1894 2006-01-16 Rafael Ãvila de EspÃÂndola <rafael.espindola@gmail.com>
1896 * cppspec.c (lang_specific_spec_functions): Remove.
1897 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
1898 * gcc.h (lang_specific_spec_functions): Remove.
1899 * gccspec.c (lang_specific_spec_functions): Remove.
1901 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
1903 * combine.c (record_value_for_reg): Invalidate registers
1905 (record_dead_and_set_regs_1): Likewise, by passing them to
1906 record_value_for_reg.
1907 (record_dead_and_set_regs): Invalidate stores made by a
1908 call. We do not combine across a call, but we still
1909 relied on equivalences.
1911 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
1913 * tree-vrp.c (extract_range_from_binary_expr): Cope with
1914 vrp_int_const_binop returning non-constant nodes.
1916 2006-01-16 Paul Brook <paul@codesourcery.com>
1918 * config/m68k/m68k.c (output_move_const_into_data_reg):
1919 Output correct mnemonic for mvz and mvs.
1921 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
1923 * rtl-factoring.c: Add sequence abstraction algorithm.
1924 * cfgcleanup.c (outgoing_edges_match): Extra checks.
1925 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
1927 (block_has_preserve_label): New function.
1928 * common.opt: Register new pass.
1929 * Makefile.in: Ditto.
1931 * timevar.def: Ditto.
1932 * tree-pass.h: Ditto.
1933 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
1934 * rtl.h (make_jump_insn_raw): Add forward decl.
1935 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
1937 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
1938 Roger Sayle <roger@eyesopen.com>
1940 * fold-const.c (fold_minmax): New static function.
1941 (fold_binary) <MIN_EXPR>: Call it.
1942 <MAX_EXPR>: Likewise.
1943 * stor-layout.c (place_field): Use DECL_SIZE consistently
1944 in the computation of the new record size.
1946 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1948 * cse.c (cse_condition_code_reg): Make it static.
1949 * rtl.h: Remove the prototype for cse_condition_code_reg.
1951 * combine.c (combine_instructions): Make it static.
1952 * rtl.h: Remove the prototype for combine_instructions.
1954 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1957 * tree.c (get_file_function_name_long): Concatenate the first global
1958 object name with a string derived from the input filename of the object
1961 2006-01-16 Ben Elliston <bje@au.ibm.com>
1963 * config/i386/winnt-stubs.c: Update FSF address.
1964 * config/xtensa/ieee754-df.S: Ditto.
1965 * config/xtensa/ieee754-sf.S: Ditto.
1967 2006-01-14 Ian Lance Taylor <ian@airs.com>
1969 * ifcvt.c (noce_init_if_info): New static function, broken out of
1970 noce_process_if_block.
1971 (noce_process_if_block): Call noce_init_if_info.
1972 (check_cond_move_block): New static function.
1973 (cond_move_process_if_block): New static function.
1974 (process_if_block): Call cond_move_process_if_block.
1976 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
1978 * cselib.c (hash_table): Rename to cselib_hash_table.
1979 (cselib_clear_table, discard_useless_values,
1980 remove_useless_values, cselib_lookup_mem, cselib_lookup,
1981 cselib_init, cselib_finish): Adjust uses of hash_table.
1983 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
1985 PR tree-optimization/25485
1986 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
1987 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
1988 is known to be false and true, respectively.
1990 2006-01-14 Richard Guenther <rguenther@suse.de>
1992 PR tree-optimization/22548
1993 PR tree-optimization/22555
1994 PR tree-optimization/22501
1995 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
1996 * params.def (salias-max-array-elements): New parameter.
1997 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
1998 * doc/invoke.texi (salias-max-array-elements): Document.
1999 * tree-flow-inline.h (var_can_have_subvars): We also handle
2001 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
2003 * tree-ssa-structalias.c (params.h): Include.
2004 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
2005 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
2006 (get_constraint_for): For ADDR_EXPR operating on something
2007 containing an ARRAY_REF, add all subvars to the solution.
2008 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
2009 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
2010 for creating MUST_DEFs.
2011 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
2013 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
2015 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
2017 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2018 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2019 number_of_iterations_le): New functions.
2020 (number_of_iterations_special): Removed.
2021 (number_of_iterations_exit): Do not use number_of_iterations_special.
2022 * tree.c (unsigned_type_for): Always return integer type.
2024 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
2025 Richard Guenther <rguenther@suse.de>
2027 PR rtl-optimization/24257
2028 * gcse.c (find_moveable_store): Only consider a store movable
2029 when the SET_SRC of the insn can be assigned to a register.
2031 2006-01-14 Ian Lance Taylor <ian@airs.com>
2033 * tree.c (tree_not_class_check_failed): New function.
2034 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
2035 (tree_not_class_check_failed): Declare.
2037 2006-01-13 Ian Lance Taylor <ian@airs.com>
2039 * reload1.c (do_output_reload): Add assertion rejecting a
2042 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
2044 * combine.c (struct reg_stat): Add new fields truncation_label and
2046 (record_value_for_reg): Reset truncated_to_mode.
2047 (record_truncated_value): New function.
2048 (check_promoted_subreg): Call it. Rename to check_conversions.
2049 (combine_instructions): Rename check_promoted_subreg to
2051 (reg_truncated_to_mode): New function.
2052 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
2053 (gen_lowpart_or_truncate): New function.
2054 (force_to_mode): Use it instead of gen_lowpart.
2056 2006-01-13 Diego Novillo <dnovillo@redhat.com>
2058 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
2059 VAR is a tag, not its type tag.
2061 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
2063 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
2064 alternatives to match style of other entries.
2065 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
2067 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
2069 PR tree-optimization/25771
2070 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
2073 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
2076 * tree-inline.c (declare_return_variable): If the return variable
2077 was marked as a non gimple complex, set the return slot variable
2078 to be a non gimple comple variable.
2080 2006-01-13 Richard Guenther <rguenther@suse.de>
2082 * builtins.c (expand_builtin_sincos): New function.
2083 (expand_builtin_mathfn_3): Remove dead code, sin and cos
2085 (expand_builtin): Expand sincos using expand_builtin_sincos.
2087 2006-01-12 DJ Delorie <dj@redhat.com>
2089 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
2090 shift counts, separate SI shifts for m32c vs m16c, pass shift type
2091 so that constant shifts can be split.
2092 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
2093 (m32c_valid_pointer_mode): Make static.
2094 (shift_gen_func_for): New.
2095 (m32c_prepare_shift): Use it. Split large const shifts into
2097 * config/m32c/predicates.md (shiftcount_operand): Allow more
2099 (longshiftcount_operand): New.
2100 * doc/md.texi (Machine Constraints): Document In6.
2102 2006-01-13 Ben Elliston <bje@au.ibm.com>
2104 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
2105 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
2108 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
2110 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
2111 to try to avoid clobbering pieces of structures when we know
2112 something about the whole structure.
2113 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
2115 2006-01-13 Ben Elliston <bje@au.ibm.com>
2117 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
2118 return in memory, as this is no limitation is no longer present.
2120 2006-01-12 DJ Delorie <dj@redhat.com>
2122 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
2123 mova with fb, and for fb+0 -> An.
2125 * config/m32c/mov.md (peephole2): Fix enabling logic.
2127 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2128 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
2129 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
2130 FINI_ARRAY_SECTION_ASM_OP): Define.
2132 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
2134 (m32c_legitimize_reload_address): New logic to reload FB to An.
2135 (m32c_output_reg_push): Add newline.
2136 (m32c_output_reg_pop): Likewise.
2138 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
2140 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
2142 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
2144 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2146 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2148 * config/sh/predicates.md (sh_rep_vec): Add parallel to
2151 2006-01-11 Ben Elliston <bje@au.ibm.com>
2153 * rtlanal.c (find_reg_note): Assert insn is not null.
2155 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2157 * df-scan.c (df_hard_reg_init): Move declaration of i outside
2160 2006-01-11 Jeff Law <law@redhat.com>
2162 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
2164 (mark_threaded_blocks, register_jump_thread): New functions.
2165 (thread_through_all_blocks): Remove unwanted argument. No
2166 longer rely on e->aux to communicate thread target info.
2167 Call mark_threaded_blocks. Release the threaded_blocks
2168 bitmap and threaded_edges vector when complete.
2169 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
2170 (threaded_blocks): Remove.
2171 (tree_ssa_dominator_optimize): Remove initialization and
2172 finalization of threaded_blocks. Simplify call to
2173 thread_through_all_blocks.
2174 (thread_across_edge): Call register_jump_thread rather than
2175 storing thread information into e->aux.
2176 (free_all_edge_infos): Simplify now that e->aux is no longer
2177 used to communicate with thread_through_all_blocks.
2178 * tree-flow.h (thread_through_all_blocks): Update prototype.
2179 (register_jump_thread): Prototype.
2181 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2183 * df-core.c (df_compact_blocks, df_bb_replace): Use
2184 SET_BASIC_BLOCK instead of BASIC_BLOCK.
2186 2006-01-11 Richard Guenther <rguenther@suse.de>
2188 PR tree-optimization/25734
2189 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2190 stop propagation after successful propagation to the LHS.
2192 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2194 * basic-block.h (control_flow_graph): Change the type of
2195 x_basic_block_info to VEC(basic_block,gc) *.
2196 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
2198 (SET_BASIC_BLOCK): New.
2199 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
2200 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
2201 * cfgbuild.c (find_basic_blocks): Likewise.
2202 * cfglayout.c (fixup_reorder_chain): Likewise.
2203 * cfgrtl.c (create_basic_block_structure,
2204 rtl_create_basic_block): Likewise.
2205 * ifcvt.c (find_if_case_1): Likewise.
2206 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
2209 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2211 * Makefile.in: Removed rotted odf.c entry.
2213 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
2216 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
2217 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
2218 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
2219 output pattern modifier, not %e.
2220 * config/cris/cris.c (cris_op_str): Update comment about pattern
2222 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
2223 before falling through into...
2224 <case 'E'>: Redefined from old 'e' case.
2226 2006-01-11 Jan Hubicka <jh@suse.cz>
2229 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
2231 2006-01-11 Jan Hubicka <jh@suse.cz>
2233 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
2234 * i386.c (x86_decompose_lea): Kill.
2235 (ix86_rtx_costs): Kill.
2237 2006-01-11 Jan Hubicka <jh@suse.cz>
2239 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
2240 * cgraph.h (cgraph_node): Add inline_decl.
2241 (cgraph_insert_node_to_hashtable): Declare.
2242 (save_inline_function_body): Declare.
2243 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
2245 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
2246 (cgraph_function_versioning): Update call of tree_function_versioning.
2247 (save_inline_function_body): New function.
2248 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
2249 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
2250 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
2251 (cgraph_default_inline_p): Likewise.
2252 (cgraph_decide_inlining_incrementally): Likewise.
2253 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
2254 (copy_bb): Kill saving; do updating of clones.
2255 (copy_cfg_body): Kill saving.
2256 (initialize_inlined-parameters): Likewise.
2257 (expand_call_inline): Likewise.
2259 (tree_function_versioning): New parameter "update_clones".
2260 (inlining_p): Kill saving.
2261 * tree-inline.h (tree_function_versioning): Update prototype.
2262 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
2265 2006-01-11 Ian Lance Taylor <ian@airs.com>
2267 * combine.c (struct undo): Remove is_int. Enumify types of undos.
2268 Allow undoing set of machine mode.
2269 (do_SUBST): Use enums instead of is_int.
2270 (do_SUBST_MODE): New function.
2271 (SUBST_MODE): New macro.
2272 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
2273 reg and trying to replace reg_regno_rtx with a new register.
2274 (undo_all): Use new enums, handle undoing a PUT_MODE change.
2275 (simplify_set): Use SUBST_MODE.
2276 (distribute_notes): Remove code that tried to update reg notes
2277 for regno_reg_rtx changes.
2279 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
2281 PR tree-optimization/23109
2282 PR tree-optimization/23948
2283 PR tree-optimization/24123
2285 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
2286 * tree-cfg.c (single_noncomplex_succ): New.
2287 * tree-flow.h (single_noncomplex_succ): Declare it.
2288 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2289 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2290 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
2291 insert_bb, register_division_in, insert_reciprocals,
2292 replace_reciprocal, free_bb): New.
2293 (execute_cse_reciprocals_1): Rewritten.
2294 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
2295 Do not commit any edge insertion. Always compute dominators and
2296 create the allocation pool.
2297 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
2298 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
2299 * targhooks.c (default_min_divistions_for_recip_mul): New.
2300 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
2301 * passes.c (init_optimization_passes): Run recip after tree loop
2303 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
2305 2006-01-11 Danny Berlin <dberlin@dberlin.org>
2306 Kenneth Zadeck <zadeck@naturalbridge.com>
2308 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
2309 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
2310 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
2311 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
2312 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
2313 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
2314 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
2315 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
2316 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
2317 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
2318 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
2319 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
2320 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
2321 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
2322 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
2323 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
2324 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
2325 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
2326 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
2327 DF_SCAN_POST_ALLOC): New macros.
2328 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
2329 df_free_bb_function, df_local_compute_function, df_init_function,
2330 df_dataflow_function, df_confluence_function_0,
2331 df_confluence_function_n, df_transfer_function,
2332 df_finalizer_function, df_free_function, df_dump_problem_function,
2333 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
2334 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
2335 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
2336 df_urec_bb_info, ) New types.
2337 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
2339 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
2340 df_analyze_simple_change_some_blocks,
2341 df_analyze_simple_change_one_block, df_compact_blocks,
2342 df_bb_replace, df_bb_regno_last_use_find,
2343 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
2344 df_insn_regno_def_p, df_find_def, df_find_use,
2345 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
2346 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
2347 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
2348 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
2349 debug_df_chain, df_get_dependent_problem, df_chain_create,
2350 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
2351 df_grow_bb_info, df_chain_dump, df_print_bb_index,
2352 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
2353 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
2354 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
2355 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
2356 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
2357 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
2358 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
2359 df_ref_remove, df_insn_refs_delete, df_refs_delete,
2360 df_reorganize_refs, df_set_state, df_hard_reg_init,
2361 df_read_modify_subreg_p) New public functions.
2362 * df-core.c: The core dataflow solver and glue routines for rtl
2364 (df_init, df_add_problem, df_set_blocks, df_finish,
2365 df_hybrid_search_forward, df_hybrid_search_backward,
2366 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
2367 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
2368 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
2369 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
2370 df_reg_defined, df_find_use, df_reg_used, df_dump,
2371 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
2372 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
2373 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
2374 debug_df_useno, reset_df_after_reload): New functions.
2375 * df-scan.c: The scanning fuctions, once in df.c, completely
2376 rewritten so that they now fully model the functionality of
2377 register usage at the backend.
2378 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
2379 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
2380 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
2381 df_grow_insn_info, df_rescan_blocks, df_ref_create,
2382 df_get_artificial_defs, df_get_artificial_uses,
2383 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
2384 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
2385 df_refs_delete, df_reorganize_refs, df_set_state,
2386 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
2387 df_def_record_1, df_defs_record, df_uses_record,
2388 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
2389 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
2390 df_record_exit_block_uses, df_hard_reg_init): New functions.
2392 * df-problems.c: Seven concrete dataflow problems that use the
2393 scanning in df-scan.c and are solved by the engine in df-core.c.
2394 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
2395 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
2396 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
2397 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
2398 df_ru_free_bb_info, df_ru_alloc,
2399 df_ru_bb_local_compute_process_def,
2400 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
2401 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
2402 df_ru_transfer_function, df_ru_free, df_ru_dump,
2403 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
2404 df_rd_free_bb_info, df_rd_alloc,
2405 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
2406 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
2407 df_rd_transfer_function, df_rd_free, df_rd_dump,
2408 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
2409 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
2410 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
2411 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
2412 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
2413 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
2414 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
2415 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
2416 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
2417 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
2418 df_urec_mark_reg_change, df_urec_check_earlyclobber,
2419 df_urec_mark_reg_use_for_earlyclobber,
2420 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
2421 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
2422 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
2423 df_urec_dump, df_urec_add_problem, df_chain_alloc,
2424 df_chain_create_bb_process_use, df_chain_create_bb,
2425 df_chain_finalize, df_chain_free, df_chains_dump,
2426 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
2427 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
2428 df_reg_lifetime): New functions.
2429 * df.c: Deleted file.
2430 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
2431 consistent with new df api.
2432 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
2433 rest_of_handle_sms): Ditto.
2434 * web.c (unionfind_union, union_defs, entry_register, web_main):
2436 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
2437 invariant_expr_equal_p, find_defs, check_dependencies,
2438 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
2439 free_inv_motion_data, move_loop_invariants): Ditto.
2440 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
2441 Update dependencies.
2442 (odf.c): Added defective entry that was deleted later in day.
2443 * sched-deps.c (sched_analyze_1): Ditto.
2445 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
2447 * tree-ssa-operands.c (get_expr_operands): Record addressable
2448 variables directly. Do not call add_stmt_operands for CONST_DECLs
2450 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
2451 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
2453 2006-01-11 Ben Elliston <bje@au.ibm.com>
2455 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
2456 function returns true in the positive case.
2458 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2461 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
2462 for SI, DI, SF and DF modes. Add alternatives to copy between
2463 general and floating point registers to the 32-bit patterns.
2464 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
2465 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
2466 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
2467 generating 64-bit code.
2468 * config/pa/pa.c (output_move_double): Handle copies between general
2469 and floating registers.
2471 2006-01-10 Stuart Hastings <stuart@apple.com>
2473 * config/i386/i386.md (set_got): Update.
2474 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
2475 (builtin_setjmp_receiver): Mach-O support.
2476 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
2477 (GOT_SYMBOL_NAME): Define.
2478 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
2479 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
2480 * config/i386/i386.c (override_options): Revise for Darwin.
2481 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
2482 support. (darwin_x86_file_end): New. (output_set_got): Add label
2483 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
2484 * config/i386/i386-protos.h (output_set_got): Likewise.
2485 * config/darwin.c (machopic_legitimize_pic_address): Update
2488 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
2490 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
2491 when MODE isn't BLKmode.
2493 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2495 PR rtl-optimization/25367
2496 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
2498 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
2501 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
2502 for a negative bound.
2504 2006-01-10 Richard Guenther <rguenther@suse.de>
2506 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2507 Never override with anything constraint.
2509 2006-01-10 Jan Beulich <jbeulich@novell.com>
2511 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
2512 256 bits when optimize_size.
2514 2006-01-10 Jan Beulich <jbeulich@novell.com>
2516 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
2518 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
2519 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
2522 2006-01-10 Ben Elliston <bje@au.ibm.com>
2524 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
2526 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
2527 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2528 (USE_FP_FOR_ARG): Reject decimal float modes.
2529 (function_arg_advance): Likewise.
2530 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
2531 (rs6000_handle_altivec_attribute): Do not permit decimal floating
2532 point types in AltiVec vectors.
2533 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
2534 (rs6000_libcall_value): Likewise.
2536 2006-01-09 Bob Wilson <bob.wilson@acm.org>
2538 * config/xtensa/ieee754-df.S: New file.
2539 * config/xtensa/ieee754-sf.S: New file.
2540 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
2541 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
2542 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
2544 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
2546 * config/sh/predicates.md (binary_float_operator,
2547 binary_logical_operator, commutative_float_operator,
2548 equality_comparison_operator, greater_comparison_operator,
2549 less_comparison_operator, logical_operator,
2550 noncommutative_float_operator, shift_operator,
2551 symbol_ref_operand, unary_float_operator): Remove redundant
2554 2006-01-09 Jeff Law <law@redhat.com>
2556 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
2557 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
2558 now unused arguments. Callers updated.
2559 (eliminate_redundant_computations): Remove now unused arguments,
2561 (local_fold): Remove, no longer used.
2562 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
2564 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
2565 (simplify_cond): New function.
2566 (forward_propagate_into_cond): Call simplify_cond.
2568 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
2570 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
2571 (*vec_extractv2di_1_sse): New.
2573 2006-01-09 Ben Elliston <bje@au.ibm.com>
2575 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
2577 2006-01-08 Richard Guenther <rguenther@suse.de>
2579 * tree-ssa-structalias.c (get_constraint_for): Remove
2581 (get_constraint_for_component_ref): Likewise.
2582 (do_deref): Likewise.
2583 (get_constraint_for): Likewise.
2584 (do_structure_copy): Likewise.
2585 (handle_ptr_arith): Likewise.
2586 (find_func_aliases): Likewise. Remove unused need_anyoffset
2589 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
2590 Kaz Kojima <kkojima@gcc.gnu.org>
2592 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
2593 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
2594 (EXTRA_CONSTRAINT_C16): Remove.
2595 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
2596 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
2597 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
2598 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
2599 constants of SHmedia. Handle nested constant expressions of
2601 (andcosts): Fix the costs for SHmedia constants.
2602 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
2603 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
2604 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
2605 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
2606 (movv4hi_i, movv2si_i): Likewise.
2607 (movsi_const): Adjust the second operand of ior so to match with
2609 (movdi_const, movdi_const_32bit): Likewise.
2610 (movdi_const_16bit+1): Don't sign-extend LOW.
2611 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
2613 (*double_shori): Fix the split condition. Use GEN_INT instead
2614 of get_int_mode calls. Mask lower 16-bit of the argument of
2616 (sym2GOTPLT): Remove.
2617 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
2619 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
2620 instead of EXTRA_CONSTRAINT_C16.
2622 2006-01-07 Ian Lance Taylor <ian@airs.com>
2623 David Edelsohn <edelsohn@gnu.org>
2625 PR rtl-optimization/25662
2626 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
2627 for constant operands instead of simplify_gen_binary.
2628 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
2629 after trying simplify_binary_operation
2631 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
2633 * tree.c (iterative_hash_expr): Hash decls based on UID.
2635 2006-01-06 Eric Christopher <echristo@apple.com>
2637 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
2638 (TARGET_UNWIND_EMIT): Fix spelling.
2639 * target.h (gcc_target): Add except_table_label.
2640 * except.c (output_function_exception_table): Use.
2641 * varasm.c (default_emit_except_table_label): New.
2642 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
2644 (asm_out): Add here.
2645 * output.h (default_emit_except_table_label): Prototype.
2646 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
2647 * config/darwin.c (darwin_emit_except_table_label): Define.
2648 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
2650 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
2652 PR tree-optimization/18527
2653 * tree-ssa-loop-niter.c (number_of_iterations_cond,
2654 number_of_iterations_special, number_of_iterations_exit):
2655 Move base and step of an iv to a single structure. Add
2656 no_overflow flag, and use it in # of iterations analysis.
2657 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
2658 folded_casts argument.
2659 (simple_iv): Pass base and step in a structure. Set no_overflow
2661 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
2662 Evaluate expensiveness of computing # of iterations instead of
2663 the final expression.
2664 * tree-scalar-evolution.h (affine_iv): New structure.
2665 (simple_iv): Declaration changed.
2666 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
2667 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
2668 find_givs_in_stmt): Changed due to simple_iv change.
2670 2006-01-06 Jeff Law <law@redhat.com>
2673 * tree-cfg.c (bsi_replace): Rename final argument from
2674 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
2675 change (stmt -> orig_stmt).
2676 * tree-eh.c (verify_eh_throw_stmt_node): New function.
2677 (bsi_remove): Add new argument. Remove EH information
2679 (verify_eh_throw_table_statements): New function.
2680 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
2682 * tree-optimize.c (execute_free_cfg_annotations): Verify
2683 the EH throw statement table after removing annotations.
2684 * except.h (verify_eh_throw_table_statements): Prototype.
2685 * tree-flow.h (bsi_remove): Update prototype.
2686 * tree-vrp.c (remove_range_assertions): Add new argument to
2688 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
2689 * tree-complex.c (expand_complex_div_wide): Likewise.
2690 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
2691 * tree-tailcall.c (eliminate_tailcall): Likewise.
2692 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
2693 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
2694 * tree-nrv.c (tree_nrv): Likewise.
2695 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
2696 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
2697 (combine_blocks): Likewise.
2698 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
2699 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
2700 (cleanup_control_flow): Likewise.
2701 (remove_forwarder_block): Likewise.
2702 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
2703 * tree-sra.c (sra_replace): Likewise.
2704 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
2705 (forward_propagate_single_use_vars): Likewise.
2706 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
2707 * tree-inline.c (expand_call_inline): Likewise.
2708 * tree-vect-transform.c (vect_transform_loop): Likewise.
2709 * tree-outof-ssa.c (rewrite_trees): Likewise.
2710 * tree-cfg.c (make_goto_expr_edges): Likewise.
2711 (cleanup_dead_labels): Likewise.
2712 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
2713 (bsi_move_before, bsi_move_after): Likewise.
2714 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
2715 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
2717 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
2720 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
2722 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
2723 on non gimple variables. Also add checks at the top for decls and
2725 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
2727 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
2728 and IMAGPART_EXPR for creating MUST_DEFs.
2729 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
2730 and NAME_MEMORY_TAG separately from the DECLs.
2732 2006-01-06 Richard Guenther <rguenther@suse.de>
2734 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
2735 annotation, if necessary.
2736 * tree-ssa-pre.c (create_expression_by_pieces): Remove
2737 redundant calls to update_stmt.
2738 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
2741 2006-01-05 Richard Henderson <rth@redhat.com>
2743 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
2745 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
2747 * c-typeck.c: Update copyright date.
2749 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
2751 * c-typeck.c (build_c_cast): Always warn when casting
2752 from a pointer to an integer of different size, even if
2753 the node was constant.
2755 2006-01-05 Richard Guenther <rguenther@suse.de>
2757 PR tree-optimization/22555
2758 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
2759 if one structure field is an array.
2760 * tree-ssa-operands.c (get_expr_operands): Continue scanning
2761 operands even if we found a subvar, but ignore VOPs in this
2763 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
2765 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
2767 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
2770 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
2772 2006-01-05 Richard Guenther <rguenther@suse.de>
2773 Diego Novillo <dnovillo@redhat.com>
2775 * tree-pass.h (TODO_remove_unused_locals): Define.
2776 * gimple-low.c (expand_var_p, remove_useless_vars,
2777 pass_remove_useless_vars): Remove. Update all users.
2778 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
2779 (remove_unused_locals): New function.
2780 * tree-flow.h (remove_unused_locals): Declare.
2781 * passes.c (execute_todo): Call remove_unused_locals if
2782 TODO_remove_unused_locals is set.
2783 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
2784 * tree-ssa-dce.c (pass_dce): Likewise.
2785 * tree-outof-ssa.c (pass_del_ssa): Likewise.
2787 2006-01-05 Richard Guenther <rguenther@suse.de>
2789 * tree-flow.h (struct fieldoff): Decompose field to
2790 type, size and decl.
2791 * tree-ssa-alias.c (create_sft): Take type as parameter.
2792 (create_overlap_variables_for): Store type, size and decl
2793 in the fieldoff structure.
2794 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
2796 (push_fields_onto_fieldstack): Likewise.
2797 (create_variable_info_for): Likewise. Use offset for the
2798 SFT name if the decl is not available.
2800 2006-01-04 Paul Brook <paul@codesourcery.com>
2802 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
2804 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
2806 * lambda-code.c (can_put_in_inner_loop): Relax
2808 (can_put_after_inner_loop): New function.
2809 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
2810 (perfect_nestify): Change to make copies and modify uses.
2812 2006-01-04 Richard Henderson <rth@redhat.com>
2814 Merge from gomp branch:
2815 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
2816 via integer constant.
2817 (pragma_lex): Remove.
2818 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
2819 rather than parsing it.
2820 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
2821 handle_pragma_extern_prefix): Add %< %> quotes.
2822 (registered_pragmas): New.
2823 (c_register_pragma_1): New.
2824 (c_register_pragma): Use it.
2825 (c_register_pragma_with_expansion): Likewise.
2826 (c_invoke_pragma_handler): New.
2827 (init_pragma): Use cpp_register_deferred_pragma directly for
2829 * c-pragma.h (enum pragma_kind): New.
2830 (pragma_handler): New.
2831 (c_invoke_pragma_handler): Declare.
2832 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
2834 * c-common.h (c_common_pch_pragma): Update decl.
2835 * Makefile.in (c-parser.o): Update dependencies.
2836 (GTFILES): Add c-pragma.h.
2837 * c-parser.c (struct c_token): Add pragma_kind.
2838 (struct c_parser): Add in_pragma.
2839 (c_lex_one_token): Always initialize keyword and pragma_kind.
2840 Extract data for CPP_PRAGMA.
2841 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
2842 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
2843 Don't allow CPP_PRAGMA_EOL if in_pragma.
2844 (c_parser_consume_pragma): New.
2845 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
2846 (c_parser_skip_to_end_of_parameter): Likewise.
2847 (c_parser_skip_to_end_of_block_or_statement): Likewise.
2848 (c_parser_skip_to_pragma_eol): New.
2849 (c_parser_external_declaration): Handle CPP_PRAGMA.
2850 (c_parser_compound_statement_nostart): Likewise.
2851 (c_parser_statement_after_labels): Likewise.
2852 (c_parser_pragma): New.
2853 (pragma_lex): Likewise.
2854 (c_parser_pragma_pch_preprocess): New.
2855 (c_parser_new): Merge into ...
2856 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
2858 2006-01-04 Jeff Law <law@redhat.com>
2861 * tree-cfg.c (bsi_replace): Remove the original statement
2862 from the EH throw statement table.
2864 2006-01-04 Jakub Jelinek <jakub@redhat.com>
2866 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
2867 make the prototype extern "C" and add throw ().
2870 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
2871 and pos non-negative and pos + len <= 32.
2872 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
2873 drop pos + len < HOST_BITS_PER_WIDE_INT test.
2874 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
2877 * c-common.c (handle_vector_size_attribute): Reject zero vector size
2878 as well as sizes not multiple of component size.
2881 * function.c (instantiate_expr): New function.
2882 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
2883 walk its DECL_VALUE_EXPR with instantiate_expr.
2885 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
2886 DW_OP_deref{,_size} if address isn't going to be added.
2888 2006-01-04 Ben Elliston <bje@au.ibm.com>
2890 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
2891 * config/fp-bit.c: Likewise.
2893 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
2895 * dominance.c: Add comment about why we use DFS numbering
2898 2006-01-03 Jakub Jelinek <jakub@redhat.com>
2899 Richard Henderson <rth@redhat.com>
2901 Merge from gomp-branch:
2902 * varasm.c (assemble_variable): Handle thread-local COMMON data.
2903 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
2905 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
2907 PR rtl-optimization/25578
2908 * combine.c (combine_simplify_rtx, force_to_mode): Don't
2909 pass a parameter to simplify_shift_const if changing ASHIFTRT
2912 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
2914 * builtins.c (get_builtin_sync_mem): New function.
2915 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
2916 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
2917 Call get_builtin_sync_mem to generate mem rtx.
2919 2006-01-03 Richard Guenther <rguenther@suse.de>
2922 * stmt.c (add_case_node): Make sure to clear overflow flags
2925 2006-01-03 Jakub Jelinek <jakub@redhat.com>
2927 Merge from gomp-branch.
2928 * config/sparc/sync.md: New file.
2929 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
2930 UNSPECV_LDSTUB): New constants.
2931 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
2932 * config/sparc/predicates.md (memory_reg_operand): New predicate.
2933 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
2936 2006-01-03 Roger Sayle <roger@eyesopen.com>
2938 * combine.c (reg_subword_p): New predicate to test whether the
2939 destination of a set refers to a subword/piece of a register.
2940 (try_combine): Generalize the code to merge the setting of a
2941 pseudo to a constant followed by a set of a subword of that
2942 register to a constant.
2944 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
2946 * basic-block.h (control_flow_graph): Change the type of
2947 x_label_to_block_map to VEC(basic_block,gc) *.
2948 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
2949 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
2951 * tree-ssa-propagate.c (cfg_blocks): Change the type to
2952 VEC(basic_block,heap) *.
2953 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
2954 ssa_prop_fini): Adjust the uses of cfg_blocks.
2956 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
2958 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
2960 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
2961 hashing trees instead of a pointer hash.
2962 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
2963 compare for MEM_EXPR.
2965 PR rtl-optimization/25130
2966 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
2967 when comparing MEMs for GCSE
2969 2006-01-03 Ben Elliston <bje@au.ibm.com>
2971 * targhooks.h (default_decimal_float_supported_p): Declare.
2972 * targhooks.c (default_decimal_float_supported_p): Define.
2973 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
2974 `default_decimal_float_supported_p'.
2975 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
2977 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
2979 * combine.c (apply_distributive_law <SUBREG>): Check
2980 TRULY_NOOP_TRUNCATION.
2982 2006-01-02 Geoffrey Keating <geoffk@apple.com>
2984 * dwarf2out.c (have_switched_text_section): Delete.
2985 (have_multiple_function_sections): New.
2986 (have_location_lists): Make 'bool'.
2987 (add_AT_loc_list): Use 'true' not '1'.
2988 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
2989 (output_loc_list): Use have_multiple_function_sections.
2990 (output_ranges): Likewise.
2991 (dwarf2out_begin_function): Set have_multiple_function_sections if
2993 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
2994 Check function_section rather than DECL_SECTION_NAME.
2995 (dwarf2out_finish): Use have_multiple_function_sections.
2996 Don't clear have_location_lists.
2998 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
2999 Jan Hubicka <jh@suse.cz>
3001 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
3002 case of conditional jump jumping to the next instruction.
3003 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
3004 cases of conditional jump jumping to the next instruction.
3006 2006-01-02 Jan Hubicka <jh@suse.cz>
3008 * i386.c (*_cost): Add COSTS_N_INSNS.
3009 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
3011 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
3014 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
3016 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3018 * config/arm/arm.c (all_fpus): Fix comment typo.
3019 * config/darwin.c: Likewise.
3020 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
3021 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
3022 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
3024 2006-01-01 David Edelsohn <edelsohn@gnu.org>
3026 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
3027 (rs6000_split_compare_and_swapqhi): New.
3028 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
3029 (sync_compare_and_swapqhi_internal): New.
3030 * config/rs6000/rs6000-protos.h: Declare.