1 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
4 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
5 Use a new variable, inner. PARM_DECLs are always non-weak.
7 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
9 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14 * config/mips/mips.md (*clear_upper32): New combiner pattern.
16 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
18 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
19 (smax_insn, smin_insn, smax_0, smin_0): New.
21 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
24 * config/cris/cris.c (cris_order_for_addsi3): New function.
25 * config/cris/cris-protos.h: Prototype it.
26 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
27 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
28 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
29 (split for "op.S1 [rx=rx+i],ry (swapped)")
30 (split for "op(s|u).S1 [rx=rx+i],ry")
31 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
32 Apply cris_order_for_addsi3 when generating addsi3 insns.
34 2006-01-25 Diego Novillo <dnovillo@redhat.com>
36 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
37 (TREE_BLOCK): Add call to EXPR_CHECK.
39 2006-01-25 Diego Novillo <dnovillo@redhat.com>
42 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
43 * tree-pretty-print.c (dump_omp_clause): Extract from ...
44 (dump_omp_clauses): ... here.
45 (dump_generic_node): Handle OMP_CLAUSE.
46 * tree.c (omp_clause_num_ops): New.
47 (omp_clause_code_name): New.
48 (tree_code_size): Handle OMP_CLAUSE.
49 (tree_size): Likewise.
50 (make_node): Document handling of OMP_CLAUSE.
51 (tree_node_structure): Handle OMP_CLAUSE.
52 (omp_clause_check_failed): New.
53 (omp_clause_range_check_failed): New.
54 (omp_clause_operand_check_failed): New.
55 (build_omp_clause): New.
56 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
57 * tree.h (enum omp_clause_code): Declare.
58 (OMP_CLAUSE_SUBCODE_CHECK): Define.
59 (OMP_CLAUSE_RANGE_CHECK): Define.
60 (OMP_CLAUSE_ELT_CHECK): Define.
61 (omp_clause_check_failed): Declare.
62 (omp_clause_operand_check_failed): Declare.
63 (omp_clause_range_check_failed): Declare.
64 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
65 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
66 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
67 (OMP_CLAUSE_LASTPRIVATE): Likewise.
68 (OMP_CLAUSE_IF_EXPR): Likewise.
69 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
70 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
71 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
72 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
73 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
74 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
75 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
76 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
77 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
78 (OMP_CLAUSE_CODE): Define.
79 (OMP_CLAUSE_SET_CODE): Define.
80 (OMP_CLAUSE_CODE): Define.
81 (OMP_CLAUSE_OPERAND): Define.
82 (struct tree_omp_clause): Declare.
83 (union tree_node): Add field 'omp_clause'.
84 * treestruct.def (TS_OMP_CLAUSE): Define.
85 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
86 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
87 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
88 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
89 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
90 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
92 * print-tree.c (print_node): Handle OMP_CLAUSE.
93 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
94 * c-typeck.c: Likewise.
95 * gimplify.c: Likewise.
97 * tree-nested.c: Likewise.
98 * tree-inline.c: Likewise.
99 * c-parser.c: Likewise.
100 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
103 2006-01-25 Roger Sayle <roger@eyesopen.com>
105 PR rtl-optimization/25703
106 * combine.c (try_combine): Handle zero_extract and strict_low_part
107 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
109 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
111 * global.c: Fix comment typos.
113 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
116 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
117 Use output_addr_const instead of assemble_name.
119 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
121 * Makefile.in (sched-vis.o): Update dependencies.
122 * haifa-sched.c (sched_finish): Clear current_sched_info.
123 * cfg.c (dump_bb_info): New, split from dump_flow_info.
124 (dump_flow_info): Call it.
125 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
127 * basic-block.h (dump_bb_info): Declare.
128 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
129 option, and apply options only for dump files whose TDF_RTL,
130 TDF_TREE, or TDF_IPA bits match.
131 * rtl.h: Declare new functions exported from sched-vis.c.
132 * sched-vis.c: Enable also if scheduling is not used.
133 (print_value): Print the mode of registers if not inside scheduling.
134 (print_insn): Make it work outside the scheduler. Beautify the output
136 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
138 2006-01-25 Richard Sandiford <richard@codesourcery.com>
140 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
141 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
142 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
143 depending on the value of CONSTANT_POOL_ADDRESS_P.
144 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
146 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
147 rather than SYMBOL_REF_DECL.
148 (rtx_constant_pool): Remove const_rtx_sym_htab.
149 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
150 (init_varasm_status): Don't initialize const_rtx_sym_htab.
151 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
152 Remove handling of const_rtx_sym_htab.
153 (find_pool_constant): Delete.
154 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
155 rather than find_pool_constant.
156 (get_pool_constant_for_function): Delete.
157 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
159 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
160 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
161 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
162 (SYMBOL_REF_CONSTANT): New macro.
163 (get_pool_constant_for_function): Delete.
164 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
165 rather than SYMBOL_REF_DECL.
166 (i386_pe_mark_dllimport): Likewise.
167 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
168 rather than SYMBOL_REF_DECL.
169 * config/darwin.c (machopic_indirect_data_reference): Likewise.
170 (machopic_indirect_call_target): Likewise.
172 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
174 * flow.c (delete_noop_moves): Add missing EOL to dump message.
176 2006-01-25 Richard Sandiford <richard@codesourcery.com>
178 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
180 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
182 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
184 2006-01-24 David Daney <ddaney@avtrex.com>
187 * configure.ac (enable_tls): New enable option.
188 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
189 * configure: Regenerate.
190 * doc/install.texi (--enable-tls): Document new option.
191 (--disable-tls): Ditto.
193 2006-01-24 Richard Henderson <rth@redehat.com>
195 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
196 * alias.c (true_dependence): Respect it.
197 (canon_true_dependence, write_dependence_p): Likewise.
198 * builtins.c (get_builtin_sync_mem): Set it.
200 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
202 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
205 2006-01-24 DJ Delorie <dj@redhat.com>
207 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
208 for storing constants in single-bit bitfields.
210 2006-01-25 Ben Elliston <bje@au.ibm.com>
212 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
214 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
217 * tree-ssa-pre.c (phi_translate): Return NULL
218 for AGGREGATE_TYPE's.
220 2006-01-24 Zack Weinberg <zackw@panix.com>
222 * genautomata.c (process_state_for_insn_equiv_partition):
223 Use xcalloc for insn_arcs_array.
224 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
225 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
227 2006-01-24 Richard Henderson <rth@redhat.com>
229 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
232 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
234 PR rtl-optimization/25890
235 PR rtl-optimization/25905
236 * combine.c (expand_compound_operation, expand_field_assignment):
237 Fail if the bitfield's final position is out of bounds.
239 2006-01-24 Ian Lance Taylor <ian@airs.com>
242 * cgraphunit.c (cgraph_output_in_order): Don't clear
243 cgraph_asm_nodes until after asm strings have been output.
245 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
247 * fix-header.c (read_scan_file): Add new parameter imultilib when
248 calling register_include_chains.
250 2006-01-23 Diego Novillo <dnovillo@redhat.com>
252 * omp-low.c: Update documentation.
254 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
255 Daniel Berlin <dberlin@dberlin.org>
259 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
260 return from the function.
262 2006-01-22 Zack Weinberg <zackw@panix.com>
264 * rtl.def (match_code): Add second argument.
265 * genpreds.c (write_extract_subexp): New function.
266 (write_match_code): Add path argument. Use write_extract_subexp.
267 (write_predicate_expr): Pass path to write_match_code.
268 (mark_mode_tests): MATCH_CODE applied to a subexpression does
269 not perform a mode test.
270 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
271 a subexpression does not constrain the top-level code set.
272 * read-rtl.c (read_rtx_variadic): New function.
273 (read_rtx_1): Use it; allow AND and IOR to be variadic.
274 * doc/md.texi: Document new notation.
275 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
276 (cmpsi_operand): ... here, using new notation.
278 2006-01-22 Zack Weinberg <zackw@panix.com>
280 * varray.c: Remove GENERATOR_FILE #ifdefs.
282 2006-01-22 Zack Weinberg <zackw@panix.com>
284 * genautomata.c (output_reserved_units_table): Emit nothing if
285 description->query_units_num is zero. Remove extra blank line.
286 (output_cpu_unit_reservation_p): Short circuit
287 if description->query_units_num is zero.
289 2006-01-22 Zack Weinberg <zackw@panix.com>
291 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
292 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
293 nor any of the random handful of variables that used to be necessary
294 when this program was linked with rtlanal.o. Prune set of forward
295 function declarations.
296 (struct attr_desc): Remove static_p field.
297 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
298 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
299 (attr_string): Do not read the character one past the length of
301 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
302 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
303 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
304 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
305 (make_automaton_attrs): New.
306 (main): Do not call into genautomata. Call local gen_bypass
307 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
308 Remove special case for insn_alts.
309 * genautomata.c: Include gensupport.h; not genattrtab.h nor
310 varray.h (leftover from previous change). Prune set of forward
311 function declarations. Remove state_alts fields from all
312 structures. Remove state_alts_table from struct automaton.
313 Make everything except main static. Do not maintain num_dfa_decls.
314 Do not maintain state_alts fields of various structures.
315 (process_decls): Don't validate condexp for dm_insn_reserv decls.
316 (add_arc): Remove state_alts argument. All callers updated.
317 (output_reserved_units_table): Emit #ifdef here...
318 (output_tables): ...not here. Don't generate state_alts tables.
319 (expand_automata): Don't generate attributes.
320 (write_automata): Don't generate state_alts functions.
321 (main): New function.
322 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
323 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
324 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
325 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
326 (BYPASS_P_FUNC_NAME, output_state_alts_table)
327 (output_automata_list_state_alts_code, output_internal_state_alts_func)
328 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
329 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
331 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
332 * genattrtab.h: Delete file.
333 * Makefile.in (OBJS-common): Add insn-automata.o.
334 (insn-automata.o): New rule.
335 (simple_generated_c): Add insn-automata.c.
336 (build/genattrtab.o, build/genautomata.o): Update dependencies.
337 (genprogmd): Add automata.
338 (build/genattrtab): Needs no extra objects nor libraries.
339 (build/genautomata): Needs build/vec.o and -lm.
341 2006-01-22 Zack Weinberg <zackw@panix.com>
343 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
344 (output_dfa_max_issue_rate, locked_states_num): Delete.
345 (struct automaton): Add locked_states field.
346 (output_dead_lock_vect): Save number of locked states in
347 automaton->locked_states. If it is zero, don't print anything.
348 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
349 (output_internal_dead_lock_func): Only test the dead_lock_vect
350 for automata that have locked states.
351 (output_statistics): Always print the number of locked states for
352 each automaton. Calculate total number of locked states here.
353 (write_automata): Don't call output_dfa_max_issue_rate.
354 * genattrtab.c: Define length_unit_log as a const variable.
355 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
356 max_insn_queue_index const.
357 * final.c (length_unit_log): Declare const.
358 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
360 2006-01-22 Zack Weinberg <zackw@panix.com>
362 * genautomata.c: Include vec.h, not varray.h.
363 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
364 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
365 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
366 VEC_* macros operating on appropriately typed vectors, or to
367 malloced arrays when the size is known in advance. Const-ify
368 many char* variables and function arguments. No functional changes.
369 * Makefile.in (build/varray.o): Delete rule.
370 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
371 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
373 2006-01-22 Zack Weinberg <zackw@panix.com>
375 * gensupport.c: Define get_insn_name and record_insn_name here.
376 (read_md_rtx): Call record_insn_name as appropriate.
377 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
378 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
379 * genpreds.c, genrecog.c: Don't define get_insn_name nor
381 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
382 (BUILD_VARRAY): Delete.
383 (genprognormal): Rename genprogmd. Fold in all programs from
384 genprognoprint; also attrtab.
385 (build/genattrtab): Just mention genautomata.o and varray.o.
386 Reorganize a bit, add comments to make the categories clearer.
388 2006-01-22 Zack Weinberg <zackw@panix.com>
390 * genconditions.c (condition_table, add_condition): Delete.
391 (write_conditions): Don't emit n_insn_conditions nor
392 insn_elision_unavailable. Issue the gcc version #ifdef here,
393 inside the table, with no #else clause ...
394 (write_header): ...not here.
395 (write_writer): New function.
396 (main): Don't initialize condition_table. Use add_c_test.
398 * gensupport.c (init_md_reader_args_cb): Handle multiple input
399 files on the command line.
400 (maybe_eval_c_test): Don't check insn_elision_unavailable.
401 Return -1 if there is no entry in the table, don't abort.
402 (add_c_test, traverse_c_tests): New functions.
403 * gensupport.h (insn_elision_unavailable, insn_conditions)
404 (n_insn_conditions): Delete declarations.
405 (add_c_test, traverse_c_tests): Declare.
406 * read-rtl.c: Include gensupport.h.
407 (read_conditions): New function.
408 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
409 (read_rtx_1): If we get EOF when we were looking for an initial
410 open paren, return 0. Call read_conditions when appropriate.
411 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
412 dummy-conditions.o. Eliminate references to insn-conditions.o,
413 or change them to build/gencondmd.o, as appropriate. Remove
414 insn-constants.h from $(simple_generated_h) and insn-conditions.c
415 from $(simple_generated_c). For all files remaining in those
416 two lists, add insn-conditions.md to the generator command line.
417 Give insn-constants.h/s-constants their own rules. Add rules
418 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
419 (build/read-rtl.o): Depend on gensupport.h.
420 (genprognormal): Include preds.
421 (genprogearly): Rename genprognoprint; only difference is now that
422 they don't link with $(BUILD_PRINT).
423 * dummy-conditions.c: Delete.
425 2006-01-22 Zack Weinberg <zackw@panix.com>
427 * genextract.c: Don't include insn-config.h. Do include vec.h.
428 Declare vectors of int, char, and locstr.
429 (locstr): New typedef.
430 (struct extraction): Make all array fields into bare pointers.
431 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
432 (insn_code_number): Delete.
433 (accum_extract): New struct.
434 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
435 (gen_insn): Take insn_code_number as an argument. Use an
436 accum_extract structure instead of loading data directly into
437 a struct extraction, and having to know how big it might get.
438 (walk_rtx): Operate entirely on an accum_extract structure.
439 (print_path): Avoid unnecessary use of printf.
440 (print_header): New function, split out of main. Distinguish
441 more carefully between an unrecognizable insn and an insn that
442 has the code number of a define_expand.
443 (main): Pass insn_code_number to gen_insn. Call print_header
444 only after parsing. Avoid unnecessary use of printf.
445 * Makefile.in (build/vec.o): New rule.
446 (build/genextract): Depend on build/vec.o.
447 (build/genextract.o): Don't depend on insn-config.h.
449 2006-01-22 Zack Weinberg <zackw@panix.com>
451 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
452 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
453 practical. Eliminate per-generator-program link rules.
455 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
458 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
459 with a call expr to ...
460 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
462 2006-01-23 Richard Guenther <rguenther@suse.de>
464 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
465 before make_edge with conditional EDGE_TRUE_VALUE.
467 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
468 Jan Hubicka <jh@suse.cz>
469 Richard Guenther <rguenther@suse.de>
471 PR rtl-optimization/25654
472 * cfgexpand.c (aggregate_contains_union_type): New function.
473 (add_alias_set_conflicts): Call it. Make sure to add conflicts
474 for structure variables that contain a union type.
476 2006-01-23 Richard Sandiford <richard@codesourcery.com>
478 * gengtype.c (new_structure): Return the structure.
479 (create_option): Add an extra "next" argument.
480 (create_field): New function.
481 (adjust_field_rtx_def): Use create_option and create_field.
482 Remove a now-unnecessary call to find_structure.
483 (adjust_field_tree_def): Likewise.
484 (note_yacc_type): Remove an unnecessary call to find_structure.
485 * gengtype.h (new_structure): Return the structure.
486 (create_option): Add an extra argument.
487 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
488 (option): Adjust calls to create_option.
490 2006-01-22 David Edelsohn <edelsohn@gnu.org>
492 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
494 2006-01-22 Paul Brook <paul@codesourcery.com>
495 Peter Barada <peter@the-baradas.com>
497 * config/m68k/m68k.md: Add Coldfire FPU support.
498 Define FP mode macro and associated attributes.
499 Use it for float mode patterns.
500 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
501 (LIBCALL_VALUE): Use m68k_libcall_value.
502 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
503 (m68k_function_value): Ditto.
504 (emit_move_sequence): Ditto.
505 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
506 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
507 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
508 (MULTILIB_EXCEPTIONS): Ditto.
509 * config/m68k/m68k.opt: Add mcfv4e.
510 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
511 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
512 (m68k_output_function_prologue): Save ColdFire FPU registers.
513 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
514 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
515 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
516 ColdFire FPU registers.
517 (m68k_libcall_value, m68k_function_value): New functions.
518 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
519 (LIBCALL_VALUE): Use m68k_libcall_value.
520 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
521 (MASK_COLDFIRE): Add MASK_CFV4E.
522 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
523 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
524 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
525 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
526 (GO_IF_LEGITIMATE_ADDRESS): Use it.
527 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
528 * doc/invoke.tex: Document -mcfv4e on m68k.
530 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
532 * doc/contribute.texi: Change CVS to SVN and update the corresponding
535 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
538 * c-opts.c (c_common_handle_option): Don't include
539 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
540 * doc/invoke.texi (C++ Dialect Options): Document that
541 -Wnon-virtual-dtor is no longer included in -Wall.
543 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
545 * gcov.c (print_version), gcov-dump.c (print_version),
546 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
549 2005-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
551 * df-scan.c (problem_SCAN): Added NULL reset function.
552 (df_scan_reset_blocks): Added code to call reset block function
553 (df_bb_refs_delete) Fixed comment.
554 (df_insn_refs_delete): Made tolerant of deleting non existent info
555 for dataflow problems that need to be reset.
556 * df-core.c (df_set_blocks): Ditto.
557 * df.h (struct df_problem): Added reset_fun.
558 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
559 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
560 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
561 functions to clear out all references to def-use or use-def chains.
563 2006-01-21 Ben Elliston <bje@au.ibm.com>
565 * varasm.c (assemble_real): Initialise data array.
567 2006-01-20 Paul Brook <paul@codesourcery.com>
569 Merge from csl-arm-branch.
570 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
571 * config/arm/arm.md (movdi): Force operands[1] to a register
572 if we have a non-register source.
573 (*arm_movdi, *movdf_soft_insn): Require that one of the
574 operands be a register.
575 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
576 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
578 2006-01-20 DJ Delorie <dj@redhat.com>
580 * varasm.c (initialize_constant_valid_p): Allow pointers
581 initialized from integer constants of lesser precision.
582 (output_constant): Allow non-int-sized pointer modes to be
583 initialized from integer constants.
585 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
588 * cppdefault.h (struct default_include): Add multilib flag.
589 * cppdefault.c (cpp_include_defaults): Set it.
590 * c.opt (-imultilib): New option.
591 * c-opts.c (imultilib): New.
592 (c_common_handle_option): Handle -imultilib.
593 (c_common_post_options): Likewise.
594 * c-incpath.c (add_standard_paths, register_include_chains):
596 * c-incpath.h (register_include_chains): Add extra parameter.
597 * gcc.c (do_spec_1): Generate -imultilib option.
598 (The Specs Language): Update %I description.
599 (process_command): Update copyright notice.
600 * doc/cppopts.texi (-imultilib): Document.
601 * doc/invoke.texi (-imultilib): Include in option summary.
602 (%I): Update specs documentation.
604 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
606 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
608 2006-01-20 Richard Sandiford <richard@codesourcery.com>
610 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
613 2006-01-20 Richard Guenther <rguenther@suse.de>
614 Steven Bosscher <stevenb.gcc@gmail.com>
616 PR rtl-optimization/24626
617 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
618 EDGE_TRUE_VALUE if in RTL mode.
621 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
622 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
624 2006-01-20 Dirk Mueller <dmueller@suse.com>
627 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
628 instead of a special NOP marker.
629 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
631 * c-common.h (empty_body_warning): Add forward declaration.
632 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
633 Now uses IS_EMPTY_STMT() instead of special NOP markers.
635 2005-01-20 Paul Brook <paul@codesourcery.com>
637 * Makefile.in (lang_checks): Keep going if mkdir fails.
639 2005-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
641 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
642 be able to clean out basic block when not necessary.
643 (df_scan_free): Fixed to properly delete information if df is
644 unused before calling df_finish.
645 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
646 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
648 (df_bb_refs_delete): New function.
649 (df_refs_delete): Moved per block code to df_bb_refs_delete.
650 * df-core.c (df_set_blocks): Added code to properly clean out
651 unused blocks if they are not part of the blocks to consider.
652 Added additional null check.
653 (df_compact_blocks): Added basic block parameter to free_bb_fun to
654 be able to clean out basic block when not necessary
655 * df.h (df_free_bb_function): Ditto.
656 (df_bb_refs_delete): New function.
657 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
658 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
659 basic block parameter to be able to clean out basic block when not
661 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
662 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
663 Fixed to properly delete information if df is unused before
666 2005-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
668 PR rtl-optimization/25799
669 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
670 Corrected confluence operator to remove bits from op2 before oring
671 with op1 rather than removing bits from op1.
672 (df_ru_transfer_function): Corrected test on wrong bitmap which
673 caused infinite loop. Both of these problems were introduced in
674 the dataflow rewrite.
676 2006-01-19 DJ Delorie <dj@redhat.com>
678 * reload1.c (find_reload_regs): Note the details of reload
679 failures in the dump file.
680 (spill_failure): Likewise.
682 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
684 * loop-iv.c: Include df.h and hashtab.h.
685 (enum iv_grd_result): New enum.
686 (DF_REF_IV, DF_REF_IV_SET): New macros.
687 (struct biv_entry): New.
688 (df, bivs): New global variables.
689 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
690 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
692 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
693 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
694 analyzed_for_bivness_p, record_biv): New functions.
695 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
696 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
697 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
699 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
701 (iv_number_of_iterations): Use new interface to iv analysis.
702 * loop-unroll.c: Do not include varray.h.
703 (analyze_iv_to_split_insn): Use new interface to iv
705 * loop-unswitch.c (may_unswitch_on): Ditto.
706 * df.c (df_bitmaps_free): Only work for bbs for that structures are
708 (df_bb_modify): Realloc tables to the new index.
709 (df_find_use): New function.
710 * df.h (df_find_use): Declare.
711 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
713 * cfgloop.h (struct rtx_iv): Remove analysed field.
714 (iv_get_reaching_def): Removed.
715 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
716 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
717 (loop-iv.o): Add df.h and hashtab.h dependency.
718 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
720 2006-01-20 Alan Modra <amodra@bigpond.net.au>
722 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
724 (__floatundisf, __floatundidf): Likewise.
725 * libgcc2.h (IS_IBM_EXTENDED): Define.
727 2006-01-19 DJ Delorie <dj@redhat.com>
729 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
731 2006-01-19 Paul Brook <paul@codesourcery.com>
733 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
734 as nothrow when unwinding tables are disabled.
736 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
739 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
740 of bit-field" when in system header.
742 2006-01-19 DJ Delorie <dj@redhat.com>
744 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
745 the 16 bit shift limit of the m16c.
747 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
750 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
751 * config/i386/i386.c (output_set_got): Output the label if we have one
752 for the TARGET_DEEP_BRANCH_PREDICTION case.
754 2006-01-19 Jan Hubicka <jh@suse.cz>
755 H.J. Lu <hongjiu.lu@intel.com>
756 Evandro Menezes <evandro.menezes@amd.com>
758 * invoke.texi (generic): Document
760 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
761 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
762 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
763 (x86_use_incdec, x86_pad_returns): New variables
764 (TARGET_CPU_DEFAULT_generic): New constant
765 (TARGET_CPU_DEFAULT_NAMES): Add generic.
766 (enum processor_type): Add generic32 and generic64.
767 * i386.md (cpu attribute): Add generic32/generic64
768 (movhi splitter): Behave sanely when both partial_reg_dependency and
769 partial_reg_stall are set.
770 (K8 splitters): Enable for generic as well.
771 * predicates.md (incdec_operand): Use TARGET_INCDEC
772 (aligned_operand): Avoid memory mismatch stalls.
773 * athlon.md: Enable for generic64, new patterns for 128bit moves.
774 * ppro.md: Enable for generic32
775 * i386.c (generic64_cost, generic32_cost): New.
776 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
777 (x86_use_leave): Enable for generic64. (x86_use_sahf,
778 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
779 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
780 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
781 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
782 x86_partial_reg_dependency, x86_memory_mismatch_stall,
783 x86_accumulate_outgoing_args, x86_prologue_using_move,
784 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
785 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
787 (x86_use_incdec, x86_pad_returns): New.
788 (override_options): Add generic32 and generic64, translate "generic"
789 to generic32/generic64 and "i686" to "generic32", refuse
790 "generic32"/"generic64" as arch target.
791 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
792 (ix86_reorg): Honor PAD_RETURNS.
794 2006-01-19 Diego Novillo <dnovillo@redhat.com>
796 * tree-pretty-print.c (dump_generic_node): Handle
797 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
798 * cgraph.c (cgraph_expand_queue): Rename from
799 cgraph_analyze_queue. Update all users.
800 * cgraphunit.c (cgraph_assemble_pending_functions): Process
802 (cgraph_expand_all_functions): Likewise.
803 (cgraph_finalize_pending_functions): Remove. Update callers.
805 * tree.h (OMP_DIRECTIVE_P): Define.
806 (OMP_PARALLEL_FN): Define.
807 (OMP_PARALLEL_DATA_ARG): Define.
808 (OMP_SECTIONS_SECTIONS): Define.
809 * tree-pass.h (pass_expand_omp): Declare.
810 * omp-low.c (struct omp_region): Declare.
811 (struct omp_context): Remove fields 'parallel_type',
812 'parallel_start_ix' and 'parallel_start_additional_args'.
814 (struct omp_for_data): Rename from struct expand_omp_for_data.
815 (omp_regions): New static variable.
816 (root_omp_region): New static variable.
817 (find_omp_clause): Make static.
818 (is_in_combined_parallel_ctx): Remove.
819 (is_combined_parallel): New.
820 (extract_omp_for_data): Move earlier in the file.
821 (workshare_safe_to_combine_p): New.
822 (get_ws_args_for): New.
823 (determine_parallel_type): Move earlier in the file.
824 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
826 (omp_copy_decl): Likewise.
827 (create_omp_child_function): Likewise.
828 (lookup_omp_region): New.
829 (dump_omp_region): New.
830 (debug_omp_region): New.
831 (debug_all_omp_regions): New.
832 (new_omp_region): New.
833 (scan_omp_parallel): If parallel_nesting_level > 1, the
834 directive is nested within another parallel directive.
836 (scan_omp_for): Do not try to handle combined parallel+for
838 Remove FIXME comment.
839 (scan_omp_nested): Remove.
840 (scan_omp_1): Do not call scan_omp_nested when
841 parallel_nesting_level is > 1.
842 Do not change the DECL_CONTEXT of local variables found.
843 (lookup_decl_in_outer_ctx): New.
844 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
845 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
846 (lower_reduction_clauses): Rename from expand_reduction_clauses.
847 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
848 If CTX is nested, lookup VAR in the outer context when
849 building copy assignment.
850 (lower_send_clauses): Rename from expand_send_clauses.
851 If CTX is nested, lookup VAR in the outer context when
852 building copy assignments.
853 (lower_send_shared_vars): Rename from expand_send_shared_vars.
854 If CTX is nested, lookup VAR in the outer context when
855 building copy assignments.
856 (expand_parallel_call): Rename from build_parallel_call.
857 Handle combined parallel+workshare cases.
858 Re-implement to emit code into the CFG.
860 (expand_omp_parallel): Re-implement to emit code into the CFG.
861 Call move_sese_region_to_fn to outline the sub-graph
862 containing the parallel region.
863 (expand_omp_for_1): Remove.
864 (expand_omp_for_generic): Re-implement to emit code into the
866 (expand_omp_for_static_nochunk): Likewise.
867 (expand_omp_for_static_chunk): Likewise.
868 (expand_omp_for): Likewise.
869 (expand_omp_sections): Likewise.
870 (remove_exit_barriers): New.
871 (expand_omp_synch): New.
873 (build_omp_regions_1): New.
874 (build_omp_regions): New.
875 (execute_expand_omp): New.
876 (gate_expand_omp): New.
877 (pass_expand_omp): Define.
878 (lower_omp_sections): Rename from expand_omp_sections.
879 Set OMP_SECTIONS_SECTIONS.
880 (lower_omp_single_simple): Rename from expand_omp_single_simple.
881 (lower_omp_single_copy): Rename from expand_omp_single_copy.
882 (lower_omp_single): Rename from expand_omp_simple.
883 (lower_omp_master): Rename from expand_omp_master.
884 (lower_omp_ordered): Rename from expand_omp_ordered.
885 (lower_omp_critical): Rename from expand_omp_critical.
886 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
887 (lower_omp_for): Re-implement.
888 (lower_omp_parallel): Re-implement.
889 (lower_regimplify): Rename from expand_regimplify.
890 (lower_omp_1): Rename from expand_omp_1.
891 If there are syntax errors in the program, replace every
892 OpenMP directive with NOP.
893 Call lower_omp_* instead of expand_omp_*.
894 (lower_omp): Rename from expand_omp.
896 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
897 * tree-gimple.h (enum omp_parallel_type): Remove.
898 (gimple_boolify): Declare extern.
899 (find_omp_clause, determine_parallel_type): Remove.
901 * gimple-low.c (lower_omp_directive): New.
902 (lower_stmt): Call it.
903 (record_vars_into): Move from ...
904 (record_vars): ... here.
905 Call record_vars_into with current_function_decl.
907 * gimplify.c (struct gimplify_ctx): Remove fields
908 combined_pre_p and combined_ctxp. Update users.
909 (get_formal_tmp_var): Add documentation.
910 (gimple_boolify): Make extern.
911 (gimplify_expr_in_ctx): Remove. Update callers.
912 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
913 will always be a BIND_EXPR.
914 (gimplify_expr): Handle OMP_RETURN_EXPR.
915 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
916 (OMP_PARALLEL): Add 3 operands.
917 (OMP_SECTIONS): Add 1 operand.
918 (OMP_RETURN_EXPR): Define.
920 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
921 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
922 * tree-iterator.c (alloc_stmt_list): Assert that we are not
923 creating a circular free list.
924 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
926 * tree-flow.h (move_sese_region_to_fn): Declare.
927 (record_vars_into): Declare.
928 * tree-cfg.c (make_omp_sections_edges): New.
929 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
930 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
931 OMP_SECTIONS and OMP_SECTION.
932 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
933 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
934 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
935 (gather_blocks_in_sese_region): New.
936 (struct move_stmt_d): Declare.
938 (move_block_to_fn): New.
939 (move_sese_region_to_fn): New.
941 * passes.c (init_optimization_passes): Schedule
942 pass_expand_omp after pass_init_datastructures.
944 * tree-ssa-operands.c (get_expr_operands): Handle
945 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
946 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
948 2006-01-19 Jeff Law <law@redhat.com>
950 * tree-vrp.c (extract_range_from_assert): Refine the result range
951 if the variable referenced by the ASSERT_EXPR has a range and
952 either the tentative result range or the previous range is a
955 2006-01-19 Richard Sandiford <richard@codesourcery.com>
957 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
959 2006-01-19 Jan Hubicka <jh@suse.cz>
961 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
963 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
965 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
966 (expand_compound_operation, expand_field_assignment): Fail if the
967 bit lengths of an extract operation are out of range.
968 (make_extraction): Compute wanted_inner_mode based on the position
969 and length of the extraction. Make it extraction_mode for non-constant
970 positions, and do not modify offset in that case. When generating a
971 new MEM, use a mode that can hold the extraction while keeping correct
972 alignment. Remove code that supported MEMs wrapped by USEs.
973 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
975 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
977 * config/s390/s390.md ("Y", "y"): New mode attribute.
978 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
979 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
980 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
981 "*addsi3_imm_cc", "*addsi3_carry1_cc",
982 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
983 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
984 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
985 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
986 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
987 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
988 "addsi3", "subsi3"): Insn patterns removed.
989 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
990 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
991 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
992 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
993 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
994 "*sub<mode>3_cconly2"): New insn patterns.
995 ("addsi3", "subsi3"): New expanders.
997 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
999 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
1000 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
1001 existing STMT_VINFO_VECTYPE if available.
1002 (vect_mark_relevant): Add special handling for stmts that are
1003 marked as STMT_VINFO_IN_PATTERN_P.
1004 (vect_analyze_loop): Call vect_pattern_recog.
1005 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1006 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
1008 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
1009 (vect_recog_func_ptr): New function-pointer type.
1010 * tree-vect-patterns.c: New file.
1011 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
1012 (vect_recog_dot_prod_pattern, vect_pattern_recog):
1013 (vect_pattern_recog_1): New functions.
1014 (vect_pattern_recog_funcs): New array of function pointers.
1016 * tree-vectorizer.h (ternary_op): New enum value.
1017 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
1018 declaration. Revised documentation. Removed redundant dump prints.
1019 Removed redundant argument. Added support for reduction patterns.
1020 (vectorizable_reduction): Added support for reduction patterns.
1021 (vect_transform_stmt): Added support for patterns.
1023 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
1024 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
1025 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
1026 (expand_widen_pattern_expr): New function.
1027 (init_optabs): Initialize new optabs udot_prod_optab,
1029 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
1030 (sdot_prod_optab, udot_prod_optab): Define new optabs.
1031 (expand_widen_pattern_expr): New function declaration.
1032 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
1034 * tree-inline.c (estimate_num_insns_1): Added cases for new
1035 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1036 * tree-pretty-print.c (dump_generic_node): Likewise.
1037 (op_prio): Likewise.
1038 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1039 * tree-ssa-operands.c (get_expr_operands): Added case for
1041 * tree-vect-patterns.c (widened_name_p): New function.
1042 (vect_recog_dot_prod_pattern): Added function implementation.
1043 * tree-vect-transform.c (get_initial_def_for_reduction): Added
1044 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
1045 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
1046 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
1048 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
1049 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
1050 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
1051 (init_optabs): Initialize new optabs widen_ssum_optab,
1053 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
1054 (widen_ssum_optab, widen_usum_optab): Define new optabs.
1055 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
1056 use instead of type of def.
1057 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
1058 function implementation.
1059 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
1060 widen_ssumv8hi): New.
1062 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
1065 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1068 * c-decl.c (add_flexible_array_elts_to_size): New function.
1069 (finish_decl): Use it.
1071 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
1073 * diagnostic.h: Include options.h.
1074 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
1075 dependancies for diagnostic.h.
1076 * Makefile.in (DIAGNOSTIC_H): Add options.h.
1078 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
1080 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
1081 (ssa_ro_call_cache_valid): Ditto.
1082 * tree-ssa-alias.c (sort_tags_by_id): New function.
1083 (init_transitive_clobber_worklist): Ditto.
1084 (add_to_worklist): Ditto.
1085 (mark_aliases_call_clobbered): Ditto.
1086 (compute_tag_properties): Ditto.
1087 (set_initial_properties): Ditto.
1088 (compute_call_clobbered): Ditto.
1089 (compute_may_aliases): Call compute_call_clobbered and grouping.
1090 (compute_flow_sensitive_aliasing): Remove clobbering related code.
1091 (compute_flow_insensitive_aliasing): Grouping now happens in our
1093 (setup_pointers_and_addressables): Remove clobbering related code.
1094 (add_may_alias): Ditto.
1095 (replace_may_alias): Ditto.
1096 (get_nmt_for): Ditto.
1097 (create_global_var):
1098 (is_escape_site): Return an escape_type enumeration.
1099 * tree-flow-inline.h (is_call_clobbered): Global var does not
1100 imply call clobbered.
1101 (mark_call_clobbered): Take a reason for marking this. Remove
1102 marking of globalness, and cache invalidation.
1103 (clear_call_clobbered): Remove cache invalidation code.
1104 * tree-dfa.c (dump_variable): If details is on, dump the reason
1106 * tree-outof-ssa.c (create_temp): Copy escape mask from original
1108 * tree-flow.h (struct ptr_info_def): Add escape mask member.
1109 (struct var_ann_d): Ditto.
1110 (enum escape_type): New.
1111 (mark_call_clobbered): Adjust prototype.
1112 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
1113 are never call clobbered.
1114 Record reasons for escaping.
1115 * tree-ssa-structalias.h (is_escape_site): Update prototype.
1116 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
1117 (ssa_ro_call_cache_valid): Ditto.
1118 (clobbered_v_may_defs): Ditto.
1119 (clobbered_vuses): Ditto.
1120 (ro_call_vuses): Ditto.
1121 (clobber_stats): New.
1122 (init_ssa_operands): Zero out clobber stats.
1123 (fini_ssa_operands): Print out clobber stats.
1124 (get_call_expr_operands): Pass callee fndecl to
1126 (add_call_clobber_ops): Remove use of cache.
1127 Add use of PURE_CONST information.
1128 (add_call_read_ops): Remove use of cache.
1129 Add use of static not_read information.
1131 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
1133 Introduce TLS descriptors for i386 and x86_64.
1134 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
1135 (TARGET_ANY_GNU_TLS): New macro.
1136 (enum tls_dialect): Added TLS_DIALECT_GNU2.
1137 (struct machine_function): Add tls_descriptor_call_expanded_p.
1138 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
1139 (ix86_current_function_calls_tls_descriptor): Likewise.
1140 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
1141 (override_options): Introduce gnu2 tls dialect.
1142 (ix86_frame_pointer_required): Functions containing TLSCALLs are
1144 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
1146 (legitimize_tls_address): Adjust logic for GNU2 TLS.
1147 (ix86_init_machine_status): Initialize new field.
1148 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
1149 (ix86_tls_module_base): New.
1150 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
1151 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
1152 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
1153 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
1154 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
1155 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
1156 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
1157 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
1158 * config/i386/predicates.md (tls_modbase_operand): New.
1159 (tp_or_register_operand): New.
1161 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
1163 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
1164 (look_for_address_of): Ditto.
1165 (ipa_init): Walk the function decls.
1166 (static_execute): Don't set readonly on FUNCTION_DECL's.
1168 2006-01-18 Roger Sayle <roger@eyesopen.com>
1170 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
1171 for shifts where the source and destination registers are different.
1173 2006-01-18 Paul Brook <paul@codesourcery.com>
1175 Merge from csl-arm-branch.
1176 2005-03-14 Julian Brown <julian@codesourcery.com>
1177 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
1178 (aeabi_llsl): Likewise.
1179 (ashrdi3): Likewise.
1180 (aeabi_lasr): Likewise.
1181 (lshrdi3): Likewise.
1182 (aeabi_llsr): Likewise.
1183 2005-03-10 Julian Brown <julian@codesourcery.com>
1184 * config.gcc: Disable shared libgcc for SymbianOS.
1185 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
1187 2006-01-18 DJ Delorie <dj@redhat.com>
1189 * c-pragma.c (handle_pragma_diagnostic): New.
1190 (init_pragma): Register it.
1191 * doc/extend.texi: Document it.
1193 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
1194 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
1195 (diagnostic_context): Add classify_diagnostic[].
1196 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
1197 as errors if they're overridden to DK_WARNING.
1198 (diagnostic_initialize): Initialize classify_diagnostic[].
1199 (diagnostic_set_kind_override): New.
1200 (diagnostic_report_diagnostic): Check for kind changes.
1201 * opts.c (common_handle_option): Take lang_mask. Update callers.
1203 * common.opt (Werror=): New.
1204 * doc/invoke.texi: Document -Werror=*
1206 2006-01-18 Jeff Law <law@redhat.com>
1208 * tree-vrp.c (test_for_singularity): Correct test for new
1209 min limit. Use operand_equal_p rather than pointer equality
1210 for testing if new min/max values are equal.
1212 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
1213 using range information until after propagation and folding.
1215 2006-01-18 Richard Henderson <rth@redhat.com>
1216 Aldy Hernandez <aldyh@redhat.com>
1217 Jakub Jelinek <jakub@redhat.com>
1218 Diego Novillo <dnovillo@redhat.com>
1220 * omp-low.c: New file.
1221 * c-omp.c: New file.
1223 2006-01-18 Richard Henderson <rth@redhat.com>
1224 Jakub Jelinek <jakub@redhat.com>
1225 Diego Novillo <dnovillo@redhat.com>
1227 * doc/invoke.texi: Document -fopenmp.
1228 * tree-dump.h (debug_function): Declare.
1229 * hooks.c (hook_bool_tree_bool_false): New function.
1230 (hook_tree_tree_null): Remove.
1231 (hook_tree_tree_tree_null): New.
1232 * hooks.h: Update to match.
1233 * tree-pretty-print.c (debug_tree_chain): New.
1234 (print_generic_expr): Handle TDF_CHAIN.
1235 (dump_generic_node): Handle BLOCK.
1236 Do not abort with incomplete SWITCH_EXPRs.
1237 Do not dump body of an OpenMP directive if TDF_SLIM is given.
1238 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
1239 print space after directive name.
1240 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
1241 Handle OMP_MASTER and OMP_ORDERED.
1242 Handle printing of OMP_BODY just in one place, goto
1243 dump_omp_body in the rest of OMP_* nodes that have
1245 Don't handle clause nodes here. Update omp statements to
1246 use dump_omp_clauses.
1247 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
1248 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
1249 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
1250 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
1251 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
1252 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
1253 Adjust output for GOMP_PARALLEL.
1254 (dump_omp_clauses): New.
1255 (print_declaration): Dump DECL_VALUE_EXPR.
1256 (op_symbol_1): Split out of op_symbol.
1257 (dumping_stmts): Remove. Update all users.
1258 * cgraph.c (cgraph_analyze_queue): New.
1259 (cgraph_add_new_function): New.
1260 * cgraph.h (cgraph_analyze_queue): Declare.
1261 (cgraph_add_new_function): Declare.
1262 (cgraph_lower_function): Remove.
1263 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
1264 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
1265 and TYPE_P nodes in its default clause.
1266 (empty_body_p): New.
1267 (tree_range_check_failed): New.
1269 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
1270 OMP_CLAUSE_REDUCTION_MERGE,
1271 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
1272 OMP_CLAUSE_PRIVATE_DEBUG,
1273 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
1274 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
1275 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
1276 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
1277 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
1278 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
1279 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
1280 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
1281 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
1282 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
1283 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
1284 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
1285 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
1286 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
1287 (TREE_RANGE_CHECK): New.
1288 (empty_body_p): Declare.
1289 (enum omp_clause_default_kind): New.
1290 (build_string_literal): Declare.
1291 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
1292 (build5_stat, build5): Declare.
1293 * tree-pass.h (TDF_CHAIN): Define.
1294 * tree-pass.h (PROP_gimple_lomp): Define.
1295 (pass_lower_omp): Declare.
1296 * diagnostic.h (debug_tree_chain): Declare.
1297 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
1299 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
1300 * builtins.c (build_string_literal): Make extern.
1301 * gcc.c (include_spec_function): New.
1302 (static_spec_functions): Add it.
1303 (main): Move load of libgomp.spec ...
1304 (LINK_COMMAND_SPEC): ... here.
1305 (link_gomp_spec): New.
1306 (static_specs): Include it.
1307 (LINK_COMMAND_SPEC): Add link_gomp.
1308 (GOMP_SELF_SPECS): New.
1309 (driver_self_specs): Include it.
1310 (switch_matches): Don't mark inline.
1311 (main): Load libgomp.spec.
1312 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
1313 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
1314 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
1315 * tree-gimple.h (enum omp_parallel): Declare.
1316 (determine_parallel_type): Declare.
1317 (omp_firstprivatize_variable): Declare.
1318 (omp_reduction_init): Declare.
1319 (diagnose_omp_structured_block_errors): Declare.
1320 (struct walk_stmt_info): Add want_return_expr.
1321 (struct walk_stmt_info): Add want_bind_expr, want_locations.
1322 (find_omp_clause): Declare.
1323 (insert_field_into_struct): Declare.
1324 (struct walk_stmt_info): Move from tree-nested.c
1325 (walk_stmts): Declare.
1326 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
1328 * cgraphunit.c (cgraph_lower_function): Make static.
1329 (cgraph_finalize_pending_functions): New.
1330 (cgraph_finalize_function): Call it.
1331 (cgraph_finalize_compilation_unit): Likewise.
1332 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
1333 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
1334 (BT_FN_UINT_UINT): New.
1335 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
1336 DEF_FUNCTION_TYPE_VAR_4): Document.
1337 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
1338 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
1339 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
1340 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
1341 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
1342 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
1343 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
1344 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
1345 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
1346 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
1347 into separate files.
1348 (DEF_GOMP_BUILTIN): New.
1349 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
1350 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
1351 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
1352 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
1353 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
1354 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
1355 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
1356 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
1357 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
1358 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
1359 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
1360 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
1361 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
1362 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
1363 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
1364 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
1365 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
1366 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
1367 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
1368 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
1369 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
1370 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
1371 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
1372 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
1373 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
1374 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
1375 * sync-builtins.def: New file, moved from builtins.def.
1376 * omp-builtins.def: New file, moved from builtins.def.
1377 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
1378 * gimple-low.c (lower_function_body): Clear data.
1379 (lower_stmt): Do not handle COMPOUND_EXPR.
1380 Remove call to print_node_brief.
1381 * c-tree.h (c_finish_omp_clauses): New prototype.
1382 (C_DECL_THREADPRIVATE_P): Define.
1383 (lookup_name_no_remap, c_omp_remap_private): Remove
1384 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
1385 (check_for_loop_decls): Update decl.
1386 (lookup_name_no_remap, c_omp_remap_private): Declare.
1387 (build_indirect_ref, build_modify_expr, pushdecl,
1388 pushdecl_top_level): Move to c-common.h.
1389 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
1390 before the switch, but just in the 2 places that need it.
1391 * c-decl.c (diagnose_mismatched_decls): Do not check for
1392 mismatched thread-local attributes when OLDDECL is marked
1393 threadprivate and NEWDECL has no thread-local attributes.
1394 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
1395 (c_gimple_diagnostics_recursively): Rename from
1396 c_warn_unused_result_recursively. Invoke
1397 diagnose_omp_structured_block_errors.
1398 (check_for_loop_decls): Return a singular decl found.
1399 * langhooks.c (lhd_omp_predetermined_sharing): Return
1400 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
1401 (lhd_omp_firstprivatize_type_sizes): New.
1402 (lhd_omp_assignment): New.
1403 (lhd_omp_predetermined_sharing): New.
1404 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
1405 (struct lang_hooks_for_types): Add
1406 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
1407 omp_predetermined_sharing, omp_disregard_value_expr,
1408 omp_private_debug_clause, omp_clause_default_ctor,
1409 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
1410 (c_finish_omp_clauses): New.
1411 (c_finish_bc_stmt): Diagnose break within omp for.
1412 (c_begin_omp_parallel, c_finish_omp_parallel): New.
1413 (build_unary_op): Return error_mark after reporting
1415 (build_modify_expr): Likewise.
1416 * gimplify.c: Include optabs.h and pointer-set.h.
1417 (enum gimplify_omp_var_data): Declare.
1418 (struct gimplify_omp_ctx): Declare.
1419 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
1421 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
1422 (push_gimplify_context, pop_gimplify_context): Allow nesting.
1423 (splay_tree_compare_decl_uid): New.
1424 (new_omp_context): New.
1425 (delete_omp_context): New.
1426 (gimple_add_tmp_var): Call omp_add_variable.
1427 (gimplify_bind_expr): Likewise.
1428 (gimplify_var_or_parm_decl): If omp_notice_variable returned
1429 true, disregard DECL_VALUE_EXPR on the decl if any.
1430 (gimplify_expr_in_ctx): New.
1431 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
1432 omp_add_variable, omp_notice_variable, omp_is_private
1433 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
1434 gimplify_adjust_omp_clauses, gimplify_omp_parallel
1435 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
1436 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
1437 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
1438 gimplify_omp_atomic): New.
1439 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1440 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1441 OMP_CRITICAL and OMP_ATOMIC.
1442 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
1443 * c-pragma.h (enum pragma_kind): Add
1444 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
1445 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
1446 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
1447 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
1448 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
1449 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
1450 PRAGMA_OMP_THREADPRIVATE.
1451 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1452 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1453 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
1454 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
1455 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
1456 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
1457 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
1458 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
1459 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
1460 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
1461 * tree-ssa-dce.c (find_control_dependence): Do not assume that
1462 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
1463 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
1465 (struct nesting_info): Add field_map,
1466 suppress_expansion, debug_var_chain.
1467 (create_nesting_tree): Initialize them.
1468 (lookup_field_for_decl): Use field_map.
1469 (get_nonlocal_debug_decl, get_local_debug_decl): New.
1470 (convert_local_omp_clauses): New.
1471 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
1472 (walk_body): Split out of walk_function.
1473 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
1474 (convert_nonlocal_reference): Handle omp statements.
1475 (convert_local_reference): Likewise.
1476 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
1477 (unnest_nesting_tree): New.
1478 (lower_nested_functions): Call it.
1479 (insert_field_into_struct): Make extern.
1480 (struct walk_stmt_info): Move to tree-gimple.h.
1481 (walk_stmts): Make extern.
1482 * omp-builtins.def: New file.
1483 * tree-iterator.c (expr_only): Clarify comment.
1484 * c-common.h (pushdecl_top_level, pushdecl,
1485 build_modify_expr, build_indirect_ref,
1486 c_finish_omp_master, c_finish_omp_critical,
1487 c_finish_omp_ordered, c_finish_omp_barrier,
1488 c_finish_omp_atomic, c_finish_omp_flush,
1489 c_finish_omp_for, c_split_parallel_clauses,
1490 omp_clause_default_kind, c_omp_sharing_predetermined,
1491 c_omp_remap_decl): Declare.
1492 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
1493 (OBJS-common): Add omp-low.o.
1494 (c-omp.o, omp-low.o): Add.
1495 (gimplify.o): Add dependency on $(OPTABS_H).
1496 (GTFILES): Add omp-low.c.
1497 (gt-stringpool.h): Add.
1498 * tree-cfg.c (set_bb_for_stmt): Do not update the
1499 block-to-labels map if we are currently expanding to RTL.
1500 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
1502 Handle IDENTIFIER_NODE.
1503 (tree_verify_flow_info): Do not ICE when emitting error
1504 messages about invalid labels.
1505 (dump_function_to_file): Reset CFUN before emitting the body
1507 (debug_function): New.
1508 * passes.c (init_optimization_passes): Schedule
1510 * langhooks-def.h (lhd_omp_predetermined_sharing,
1511 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
1513 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
1514 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
1515 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
1516 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
1517 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
1518 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
1519 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
1520 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
1521 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
1522 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
1523 (LANG_HOOK_DECLS): Use them.
1525 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
1526 Richard Henderson <rth@redhat.com>
1527 Jakub Jelinek <jakub@redhat.com>
1528 Diego Novillo <dnovillo@redhat.com>
1530 * c-parser.c (pragma_omp_clause): Define.
1531 (c_parser_declaration_or_fndef): Document OpenMP syntax.
1532 (c_parser_compound_statement): Likewise.
1533 (c_parser_statement): Likewise.
1534 (c_parser_pragma): Handle omp pragmas.
1535 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
1536 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
1537 (c_parser_omp_clause_name, check_no_duplicate_clause,
1538 c_parser_omp_variable_list,
1539 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
1540 c_parser_omp_clause_copyprivate,
1541 c_parser_omp_clause_default,
1542 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
1543 c_parser_omp_clause_lastprivate,
1544 c_parser_omp_clause_nowait,
1545 c_parser_omp_clause_num_threads,
1546 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
1547 c_parser_omp_clause_reduction,
1548 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
1549 c_parser_omp_all_clauses, c_parser_omp_structured_block,
1550 c_parser_omp_atomic, c_parser_omp_barrier,
1551 c_parser_omp_critical, c_parser_omp_flush,
1552 c_parser_omp_for_loop, c_parser_omp_for,
1553 c_parser_omp_master, c_parser_omp_ordered,
1554 c_parser_omp_sections_scope, c_parser_omp_sections,
1555 c_parser_omp_parallel, c_parser_omp_single,
1556 c_parser_omp_construct, c_parser_omp_threadprivate): New.
1557 * c-pragma.c (init_pragma): Do omp pragma registration here.
1558 * c.opt (fopenmp): New flag.
1560 2006-01-18 Eric Christopher <echristo@apple.com>
1562 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
1563 * config/darwin.h (GOMP_SELF_SPECS): Define.
1565 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1567 * rtl.h: Remove the prototype for reg_alloc.
1569 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1572 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
1573 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
1574 sjlj and dwarf2 exception handling.
1575 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
1576 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
1577 * pa/pa.c (function_value): Treat complex and vector types as
1579 (function_arg): Likewise. Only pass scalar floats in the floating
1580 point argument registers.
1581 * pa/t-slibgcc-dwarf-ver: New file.
1582 * pa/t-slibgcc-sjlj-ver: New file.
1583 * pa/t-slibgcc-elf-ver: Delete file.
1585 2006-01-19 Alan Modra <amodra@bigpond.net.au>
1587 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
1588 unlikely_test_section_p test.
1590 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1592 * mode-switching.c (optimize_mode_switching): Make it static.
1593 * basic-block.h: Remove the prototype for
1594 optimize_mode_switching.
1596 * modulo-sched.c (sms_schedule): Make it static.
1597 * rtl.h: Remove the prototype for sms_schedule.
1599 * postreload-gcse.c (gcse_after_reload_main): Make it static.
1600 * rtl.h: Remove the prototype for gcse_after_reload_main.
1602 * reg-stack.c (reg_to_stack): Make it static.
1603 * rtl.h: Remove the prototype for reg_to_stack.
1605 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
1607 * rtl.h: Remove the prototypes for regrename_optimize and
1608 copyprop_hardreg_forward.
1610 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
1612 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
1613 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
1614 Test against the appropriate null constant for the mode.
1615 If 'fixup_overlap' is true, swap the operands if they overlap.
1616 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
1617 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
1618 alpha_split_tmode_pair and adjust for above change.
1619 * config/alpha/alpha.md (movtf_internal): Adjust call to
1620 alpha_split_tfmode_pair and rely on it to swap the operands.
1621 (movti_internal): New insn and post-reload splitter.
1622 (movti): New expander.
1624 2006-01-18 Philippe De Muyter <phdm@macqel.be>
1626 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
1629 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1631 * rtlanal.c (global_reg_mentioned_p_1,
1632 global_reg_mentioned_p): Remove.
1633 * rtl.h: Remove the prototype for global_reg_mentioned_p.
1635 * flow.c (initialize_uninitialized_subregs): Make it static.
1636 * rtl.h: Remove the prototype for
1637 initialize_uninitialized_subregs.
1639 * function.c (instantiate_virtual_regs): Make it static.
1640 * function.h: Remove the prototype for
1641 instantiate_virtual_regs.
1643 * regmove.c (regmove_optimize, combine_stack_adjustments):
1645 * rtl.h: Remove the prototypes for regmove_optimize and
1646 combine_stack_adjustments.
1648 2006-01-17 Roger Sayle <roger@eyesopen.com>
1650 * config/i386/i386.c (COSTS_N_BYTES): New macro.
1651 (size_cost): Encode costs in bytes so that a reg-reg addition is
1652 equivalent to COSTS_N_INSNS(1).
1653 (override_options): Use the size_cost.branch_cost as the default
1654 ix86_branch_cost when optimizing for size.
1656 2006-01-18 Ben Elliston <bje@au.ibm.com>
1658 * Makefile.in (D32PBIT_FUNCS): New.
1659 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
1660 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
1661 D64PBIT_FUNCS and D128PBIT_FUNCS.
1662 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
1663 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
1665 (decnumber_dep): Define.
1666 * doc/libgcc.texi (Decimal float library routines): New node.
1667 * config/dfp-bit.h, config/dfp-bit.c: New files.
1669 2006-01-18 Ben Elliston <bje@au.ibm.com>
1671 * expr.c (emit_move_change_mode): Always adjust addresses, not
1672 just during reload. Copy replacements only during reload.
1673 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
1674 emit_move_via_integer.
1676 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
1678 * Makefile.in (check-%, check-consistency): Use $${srcdir}
1679 instead of $(srcdir) and ${srcdir}.
1681 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
1685 * arm.h (struct machine_function): Add pic_reg.
1686 * arm.c (arm_pic_register): Make unsigned.
1687 (arm_override_options): Only set arm_pic_register if
1688 TARGET_SINGLE_PIC_BASE.
1689 (use_return_insn): Only test for a pic register if it is fixed.
1690 (arm_compute_save_reg0_reg12_mask): Likewise.
1691 (thumb_compute_save_reg_mask): Likewise.
1692 (legitimate_pic_operand): Factor out some known invariants.
1693 (legitimize_pic_address): If we don't have a fixed pic register,
1694 then set up a pseudo in the function entry sequence. Handle the
1695 pic base being in a pseudo.
1696 (arm_load_pic_register): Handle the pic register being in a pseudo.
1697 (arm_expand_prologue): Only set up the pic register if it is fixed.
1698 (thumb_expand_prologue): Likewise.
1699 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
1700 (pic_load_addr_based_insn): Likewise.
1701 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
1704 2006-01-18 Ben Elliston <bje@au.ibm.com>
1706 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
1707 decimal float modes for all floating point registers.
1709 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
1710 match_code "mem" with match_test "macho_lo_sum_memory_operand".
1712 2006-01-17 Jakub Jelinek <jakub@redhat.com>
1715 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
1716 even when the pointer is not NULL.
1718 2006-01-16 Ian Lance Taylor <ian@airs.com>
1720 * common.opt (ftoplevel-reorder): New option.
1721 * cgraph.c (cgraph_asm_nodes): New global variable.
1722 (cgraph_asm_last_node): New static variable.
1723 (cgraph_order): New global variable.
1724 (cgraph_create_node): Set new order field.
1725 (cgraph_varpool_node): Likewise.
1726 (decide_is_variable_needed): Return true if not
1727 flag_toplevel_reorder.
1728 (cgraph_add_asm_node): New function.
1729 * cgraph.h (struct cgraph_node): Add order field.
1730 (struct cgraph_varpool_node): Add order field.
1731 (struct cgraph_asm_node): Define.
1732 (cgraph_asm_nodes, cgraph_order): Declare.
1733 (cgraph_add_asm_node): Declare.
1734 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
1736 (cgraph_varpool_assemble_pending_decls): Call it.
1737 (cgraph_output_pending_asms): New static function.
1738 (cgraph_finalize_compilation_unit): Call it.
1739 (struct cgraph_order_sort): Define.
1740 (cgraph_output_in_order): New static function.
1741 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
1742 !flag_toplevel_reorder case.
1743 * c-parser.c: Include "cgraph.h".
1744 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
1746 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
1747 than -fno-unit-at-a-time.
1748 * doc/invoke.texi (Option Summary): Mention
1749 -fno-toplevel-reorder.
1750 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
1751 -funit-at-a-time documentation.
1753 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
1754 Kazu Hirata <kazu@codesourcery.com>
1756 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
1758 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
1760 * Makefile.in (FUNCTION_H): New. Use it instead of
1761 function.h throughout the file.
1762 * function.h: Include tree.h.
1764 2006-01-17 Ben Elliston <bje@au.ibm.com>
1766 * recog.c: Separate some functions with whitespace.
1768 2006-01-16 Richard Henderson <rth@redhat.com>
1770 Merge from gomp branch:
1771 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
1772 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
1773 and rename from struct inline_data. Rename callee* to dst*;
1774 caller* to src*; add copy_decl hook, transform_call_graph_edges,
1775 transform_new_cfg, transform_return_to_modify, and
1776 transform_lang_insert_block flags; remove cloning_p, versioning_p,
1778 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
1779 (copy_decl_for_dup): Remove.
1780 * tree-inline.c (struct inline_data): Move to header.
1781 (insert_decl_map): Export.
1782 (remap_decl): Update for member name changes. Use copy_decl hook.
1783 Allow for replacement to be a non-decl. Remove dead code.
1784 (remap_type_1): Check for existing mapping.
1785 (remap_type): Export.
1786 (remap_decls): Update for member name changes.
1787 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
1788 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
1789 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
1790 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
1791 (tree_function_versioning, build_duplicate_type): Likewise.
1792 (copy_body_r): Likewise. Export.
1793 (copy_decl_for_dup): Split into ...
1794 (copy_decl_for_dup_finish, copy_decl_to_var,
1795 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
1796 (replace_ref_tree, inlining_p): Remove.
1798 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1800 * ifcvt.c (if_convert): Make it static.
1801 * rtl.h: Remove the prototype for if_convert.
1803 * local-alloc.c (local_alloc): Make it static.
1804 * rtl.h: Remove the prototype for local_alloc.
1806 * loop.c (loop_optimize): Make it static.
1807 * cfgloop.h: Remove the prototype for loop_optimize.
1810 2006-01-16 DJ Delorie <dj@redhat.com>
1812 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
1815 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1817 * pa.md: Disparage copies between general and floating-point registers
1818 in 32-bit move patterns.
1820 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
1823 * Makefile.in (check-%): Depend on site.exp instead of
1824 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
1827 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1829 * global.c (global_alloc): Make it static.
1830 * rtl.h: Remove the prototype for global_alloc.
1832 2006-01-16 Richard Guenther <rguenther@suse.de>
1834 * tree-ssa-alias.c (struct used_part): Add write_only field.
1835 (get_or_create_used_part_for): Initialize it to true.
1836 (create_overlap_variables_for): Don't create structure variables
1837 for structures that only are written to.
1838 (find_used_portions): Handle MODIFY_EXPR to track whether a
1839 structure is only written to.
1841 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1843 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
1845 * basic-block.h: Remove the prototype for
1846 partition_hot_cold_basic_blocks.
1848 2006-01-16 Rafael Ãvila de EspÃÂndola <rafael.espindola@gmail.com>
1850 * cppspec.c (lang_specific_spec_functions): Remove.
1851 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
1852 * gcc.h (lang_specific_spec_functions): Remove.
1853 * gccspec.c (lang_specific_spec_functions): Remove.
1855 2005-01-16 Paolo Bonzini <bonzini@gnu.org>
1857 * combine.c (record_value_for_reg): Invalidate registers
1859 (record_dead_and_set_regs_1): Likewise, by passing them to
1860 record_value_for_reg.
1861 (record_dead_and_set_regs): Invalidate stores made by a
1862 call. We do not combine across a call, but we still
1863 relied on equivalences.
1865 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
1867 * tree-vrp.c (extract_range_from_binary_expr): Cope with
1868 vrp_int_const_binop returning non-constant nodes.
1870 2006-01-16 Paul Brook <paul@codesourcery.com>
1872 * config/m68k/m68k.c (output_move_const_into_data_reg):
1873 Output correct mnemonic for mvz and mvs.
1875 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
1877 * rtl-factoring.c: Add sequence abstraction algorithm.
1878 * cfgcleanup.c (outgoing_edges_match): Extra checks.
1879 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
1881 (block_has_preserve_label): New function.
1882 * common.opt: Register new pass.
1883 * Makefile.in: Ditto.
1885 * timevar.def: Ditto.
1886 * tree-pass.h: Ditto.
1887 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
1888 * rtl.h (make_jump_insn_raw): Add forward decl.
1889 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
1891 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
1892 Roger Sayle <roger@eyesopen.com>
1894 * fold-const.c (fold_minmax): New static function.
1895 (fold_binary) <MIN_EXPR>: Call it.
1896 <MAX_EXPR>: Likewise.
1897 * stor-layout.c (place_field): Use DECL_SIZE consistently
1898 in the computation of the new record size.
1900 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1902 * cse.c (cse_condition_code_reg): Make it static.
1903 * rtl.h: Remove the prototype for cse_condition_code_reg.
1905 * combine.c (combine_instructions): Make it static.
1906 * rtl.h: Remove the prototype for combine_instructions.
1908 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1911 * tree.c (get_file_function_name_long): Concatenate the first global
1912 object name with a string derived from the input filename of the object
1915 2006-01-16 Ben Elliston <bje@au.ibm.com>
1917 * config/i386/winnt-stubs.c: Update FSF address.
1918 * config/xtensa/ieee754-df.S: Ditto.
1919 * config/xtensa/ieee754-sf.S: Ditto.
1921 2006-01-14 Ian Lance Taylor <ian@airs.com>
1923 * ifcvt.c (noce_init_if_info): New static function, broken out of
1924 noce_process_if_block.
1925 (noce_process_if_block): Call noce_init_if_info.
1926 (check_cond_move_block): New static function.
1927 (cond_move_process_if_block): New static function.
1928 (process_if_block): Call cond_move_process_if_block.
1930 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
1932 * cselib.c (hash_table): Rename to cselib_hash_table.
1933 (cselib_clear_table, discard_useless_values,
1934 remove_useless_values, cselib_lookup_mem, cselib_lookup,
1935 cselib_init, cselib_finish): Adjust uses of hash_table.
1937 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
1939 PR tree-optimization/25485
1940 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
1941 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
1942 is known to be false and true, respectively.
1944 2006-01-14 Richard Guenther <rguenther@suse.de>
1946 PR tree-optimization/22548
1947 PR tree-optimization/22555
1948 PR tree-optimization/22501
1949 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
1950 * params.def (salias-max-array-elements): New parameter.
1951 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
1952 * doc/invoke.texi (salias-max-array-elements): Document.
1953 * tree-flow-inline.h (var_can_have_subvars): We also handle
1955 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
1957 * tree-ssa-structalias.c (params.h): Include.
1958 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
1959 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
1960 (get_constraint_for): For ADDR_EXPR operating on something
1961 containing an ARRAY_REF, add all subvars to the solution.
1962 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
1963 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
1964 for creating MUST_DEFs.
1965 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
1967 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
1969 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
1971 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
1972 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1973 number_of_iterations_le): New functions.
1974 (number_of_iterations_special): Removed.
1975 (number_of_iterations_exit): Do not use number_of_iterations_special.
1976 * tree.c (unsigned_type_for): Always return integer type.
1978 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
1979 Richard Guenther <rguenther@suse.de>
1981 PR rtl-optimization/24257
1982 * gcse.c (find_moveable_store): Only consider a store movable
1983 when the SET_SRC of the insn can be assigned to a register.
1985 2006-01-14 Ian Lance Taylor <ian@airs.com>
1987 * tree.c (tree_not_class_check_failed): New function.
1988 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
1989 (tree_not_class_check_failed): Declare.
1991 2006-01-13 Ian Lance Taylor <ian@airs.com>
1993 * reload1.c (do_output_reload): Add assertion rejecting a
1996 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
1998 * combine.c (struct reg_stat): Add new fields truncation_label and
2000 (record_value_for_reg): Reset truncated_to_mode.
2001 (record_truncated_value): New function.
2002 (check_promoted_subreg): Call it. Rename to check_conversions.
2003 (combine_instructions): Rename check_promoted_subreg to
2005 (reg_truncated_to_mode): New function.
2006 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
2007 (gen_lowpart_or_truncate): New function.
2008 (force_to_mode): Use it instead of gen_lowpart.
2010 2006-01-13 Diego Novillo <dnovillo@redhat.com>
2012 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
2013 VAR is a tag, not its type tag.
2015 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
2017 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
2018 alternatives to match style of other entries.
2019 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
2021 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
2023 PR tree-optimization/25771
2024 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
2027 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
2030 * tree-inline.c (declare_return_variable): If the return variable
2031 was marked as a non gimple complex, set the return slot variable
2032 to be a non gimple comple variable.
2034 2006-01-13 Richard Guenther <rguenther@suse.de>
2036 * builtins.c (expand_builtin_sincos): New function.
2037 (expand_builtin_mathfn_3): Remove dead code, sin and cos
2039 (expand_builtin): Expand sincos using expand_builtin_sincos.
2041 2006-01-12 DJ Delorie <dj@redhat.com>
2043 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
2044 shift counts, separate SI shifts for m32c vs m16c, pass shift type
2045 so that constant shifts can be split.
2046 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
2047 (m32c_valid_pointer_mode): Make static.
2048 (shift_gen_func_for): New.
2049 (m32c_prepare_shift): Use it. Split large const shifts into
2051 * config/m32c/predicates.md (shiftcount_operand): Allow more
2053 (longshiftcount_operand): New.
2054 * doc/md.texi (Machine Constraints): Document In6.
2056 2006-01-13 Ben Elliston <bje@au.ibm.com>
2058 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
2059 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
2062 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
2064 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
2065 to try to avoid clobbering pieces of structures when we know
2066 something about the whole structure.
2067 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
2069 2006-01-13 Ben Elliston <bje@au.ibm.com>
2071 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
2072 return in memory, as this is no limitation is no longer present.
2074 2006-01-12 DJ Delorie <dj@redhat.com>
2076 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
2077 mova with fb, and for fb+0 -> An.
2079 * config/m32c/mov.md (peephole2): Fix enabling logic.
2081 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2082 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
2083 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
2084 FINI_ARRAY_SECTION_ASM_OP): Define.
2086 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
2088 (m32c_legitimize_reload_address): New logic to reload FB to An.
2089 (m32c_output_reg_push): Add newline.
2090 (m32c_output_reg_pop): Likewise.
2092 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
2094 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
2096 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
2098 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2100 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2102 * config/sh/predicates.md (sh_rep_vec): Add parallel to
2105 2006-01-11 Ben Elliston <bje@au.ibm.com>
2107 * rtlanal.c (find_reg_note): Assert insn is not null.
2109 2005-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2111 * df-scan.c (df_hard_reg_init): Move declaration of i outside
2114 2006-01-11 Jeff Law <law@redhat.com>
2116 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
2118 (mark_threaded_blocks, register_jump_thread): New functions.
2119 (thread_through_all_blocks): Remove unwanted argument. No
2120 longer rely on e->aux to communicate thread target info.
2121 Call mark_threaded_blocks. Release the threaded_blocks
2122 bitmap and threaded_edges vector when complete.
2123 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
2124 (threaded_blocks): Remove.
2125 (tree_ssa_dominator_optimize): Remove initialization and
2126 finalization of threaded_blocks. Simplify call to
2127 thread_through_all_blocks.
2128 (thread_across_edge): Call register_jump_thread rather than
2129 storing thread information into e->aux.
2130 (free_all_edge_infos): Simplify now that e->aux is no longer
2131 used to communicate with thread_through_all_blocks.
2132 * tree-flow.h (thread_through_all_blocks): Update prototype.
2133 (register_jump_thread): Prototype.
2135 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2137 * df-core.c (df_compact_blocks, df_bb_replace): Use
2138 SET_BASIC_BLOCK instead of BASIC_BLOCK.
2140 2006-01-11 Richard Guenther <rguenther@suse.de>
2142 PR tree-optimization/25734
2143 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2144 stop propagation after successful propagation to the LHS.
2146 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2148 * basic-block.h (control_flow_graph): Change the type of
2149 x_basic_block_info to VEC(basic_block,gc) *.
2150 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
2152 (SET_BASIC_BLOCK): New.
2153 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
2154 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
2155 * cfgbuild.c (find_basic_blocks): Likewise.
2156 * cfglayout.c (fixup_reorder_chain): Likewise.
2157 * cfgrtl.c (create_basic_block_structure,
2158 rtl_create_basic_block): Likewise.
2159 * ifcvt.c (find_if_case_1): Likewise.
2160 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
2163 2005-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2165 * Makefile.in: Removed rotted odf.c entry.
2167 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
2170 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
2171 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
2172 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
2173 output pattern modifier, not %e.
2174 * config/cris/cris.c (cris_op_str): Update comment about pattern
2176 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
2177 before falling through into...
2178 <case 'E'>: Redefined from old 'e' case.
2180 2006-01-11 Jan Hubicka <jh@suse.cz>
2183 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
2185 2006-01-11 Jan Hubicka <jh@suse.cz>
2187 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
2188 * i386.c (x86_decompose_lea): Kill.
2189 (ix86_rtx_costs): Kill.
2191 2006-01-11 Jan Hubicka <jh@suse.cz>
2193 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
2194 * cgraph.h (cgraph_node): Add inline_decl.
2195 (cgraph_insert_node_to_hashtable): Declare.
2196 (save_inline_function_body): Declare.
2197 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
2199 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
2200 (cgraph_function_versioning): Update call of tree_function_versioning.
2201 (save_inline_function_body): New function.
2202 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
2203 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
2204 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
2205 (cgraph_default_inline_p): Likewise.
2206 (cgraph_decide_inlining_incrementally): Likewise.
2207 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
2208 (copy_bb): Kill saving; do updating of clones.
2209 (copy_cfg_body): Kill saving.
2210 (initialize_inlined-parameters): Likewise.
2211 (expand_call_inline): Likewise.
2213 (tree_function_versioning): New parameter "update_clones".
2214 (inlining_p): Kill saving.
2215 * tree-inline.h (tree_function_versioning): Update prototype.
2216 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
2219 2006-01-11 Ian Lance Taylor <ian@airs.com>
2221 * combine.c (struct undo): Remove is_int. Enumify types of undos.
2222 Allow undoing set of machine mode.
2223 (do_SUBST): Use enums instead of is_int.
2224 (do_SUBST_MODE): New function.
2225 (SUBST_MODE): New macro.
2226 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
2227 reg and trying to replace reg_regno_rtx with a new register.
2228 (undo_all): Use new enums, handle undoing a PUT_MODE change.
2229 (simplify_set): Use SUBST_MODE.
2230 (distribute_notes): Remove code that tried to update reg notes
2231 for regno_reg_rtx changes.
2233 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
2235 PR tree-optimization/23109
2236 PR tree-optimization/23948
2237 PR tree-optimization/24123
2239 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
2240 * tree-cfg.c (single_noncomplex_succ): New.
2241 * tree-flow.h (single_noncomplex_succ): Declare it.
2242 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2243 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2244 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
2245 insert_bb, register_division_in, insert_reciprocals,
2246 replace_reciprocal, free_bb): New.
2247 (execute_cse_reciprocals_1): Rewritten.
2248 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
2249 Do not commit any edge insertion. Always compute dominators and
2250 create the allocation pool.
2251 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
2252 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
2253 * targhooks.c (default_min_divistions_for_recip_mul): New.
2254 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
2255 * passes.c (init_optimization_passes): Run recip after tree loop
2257 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
2259 2005-01-11 Danny Berlin <dberlin@dberlin.org>
2260 Kenneth Zadeck <zadeck@naturalbridge.com>
2262 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
2263 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
2264 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
2265 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
2266 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
2267 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
2268 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
2269 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
2270 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
2271 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
2272 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
2273 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
2274 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
2275 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
2276 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
2277 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
2278 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
2279 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
2280 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
2281 DF_SCAN_POST_ALLOC): New macros.
2282 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
2283 df_free_bb_function, df_local_compute_function, df_init_function,
2284 df_dataflow_function, df_confluence_function_0,
2285 df_confluence_function_n, df_transfer_function,
2286 df_finalizer_function, df_free_function, df_dump_problem_function,
2287 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
2288 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
2289 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
2290 df_urec_bb_info, ) New types.
2291 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
2293 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
2294 df_analyze_simple_change_some_blocks,
2295 df_analyze_simple_change_one_block, df_compact_blocks,
2296 df_bb_replace, df_bb_regno_last_use_find,
2297 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
2298 df_insn_regno_def_p, df_find_def, df_find_use,
2299 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
2300 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
2301 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
2302 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
2303 debug_df_chain, df_get_dependent_problem, df_chain_create,
2304 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
2305 df_grow_bb_info, df_chain_dump, df_print_bb_index,
2306 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
2307 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
2308 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
2309 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
2310 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
2311 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
2312 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
2313 df_ref_remove, df_insn_refs_delete, df_refs_delete,
2314 df_reorganize_refs, df_set_state, df_hard_reg_init,
2315 df_read_modify_subreg_p) New public functions.
2316 * df-core.c: The core dataflow solver and glue routines for rtl
2318 (df_init, df_add_problem, df_set_blocks, df_finish,
2319 df_hybrid_search_forward, df_hybrid_search_backward,
2320 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
2321 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
2322 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
2323 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
2324 df_reg_defined, df_find_use, df_reg_used, df_dump,
2325 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
2326 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
2327 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
2328 debug_df_useno, reset_df_after_reload): New functions.
2329 * df-scan.c: The scanning fuctions, once in df.c, completely
2330 rewritten so that they now fully model the functionality of
2331 register usage at the backend.
2332 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
2333 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
2334 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
2335 df_grow_insn_info, df_rescan_blocks, df_ref_create,
2336 df_get_artificial_defs, df_get_artificial_uses,
2337 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
2338 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
2339 df_refs_delete, df_reorganize_refs, df_set_state,
2340 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
2341 df_def_record_1, df_defs_record, df_uses_record,
2342 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
2343 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
2344 df_record_exit_block_uses, df_hard_reg_init): New functions.
2346 * df-problems.c: Seven concrete dataflow problems that use the
2347 scanning in df-scan.c and are solved by the engine in df-core.c.
2348 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
2349 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
2350 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
2351 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
2352 df_ru_free_bb_info, df_ru_alloc,
2353 df_ru_bb_local_compute_process_def,
2354 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
2355 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
2356 df_ru_transfer_function, df_ru_free, df_ru_dump,
2357 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
2358 df_rd_free_bb_info, df_rd_alloc,
2359 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
2360 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
2361 df_rd_transfer_function, df_rd_free, df_rd_dump,
2362 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
2363 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
2364 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
2365 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
2366 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
2367 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
2368 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
2369 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
2370 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
2371 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
2372 df_urec_mark_reg_change, df_urec_check_earlyclobber,
2373 df_urec_mark_reg_use_for_earlyclobber,
2374 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
2375 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
2376 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
2377 df_urec_dump, df_urec_add_problem, df_chain_alloc,
2378 df_chain_create_bb_process_use, df_chain_create_bb,
2379 df_chain_finalize, df_chain_free, df_chains_dump,
2380 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
2381 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
2382 df_reg_lifetime): New functions.
2383 * df.c: Deleted file.
2384 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
2385 consistent with new df api.
2386 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
2387 rest_of_handle_sms): Ditto.
2388 * web.c (unionfind_union, union_defs, entry_register, web_main):
2390 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
2391 invariant_expr_equal_p, find_defs, check_dependencies,
2392 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
2393 free_inv_motion_data, move_loop_invariants): Ditto.
2394 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
2395 Update dependencies.
2396 (odf.c): Added defective entry that was deleted later in day.
2397 * sched-deps.c (sched_analyze_1): Ditto.
2399 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
2401 * tree-ssa-operands.c (get_expr_operands): Record addressable
2402 variables directly. Do not call add_stmt_operands for CONST_DECLs
2404 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
2405 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
2407 2006-01-11 Ben Elliston <bje@au.ibm.com>
2409 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
2410 function returns true in the positive case.
2412 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2415 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
2416 for SI, DI, SF and DF modes. Add alternatives to copy between
2417 general and floating point registers to the 32-bit patterns.
2418 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
2419 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
2420 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
2421 generating 64-bit code.
2422 * config/pa/pa.c (output_move_double): Handle copies between general
2423 and floating registers.
2425 2006-01-10 Stuart Hastings <stuart@apple.com>
2427 * config/i386/i386.md (set_got): Update.
2428 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
2429 (builtin_setjmp_receiver): Mach-O support.
2430 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
2431 (GOT_SYMBOL_NAME): Define.
2432 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
2433 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
2434 * config/i386/i386.c (override_options): Revise for Darwin.
2435 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
2436 support. (darwin_x86_file_end): New. (output_set_got): Add label
2437 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
2438 * config/i386/i386-protos.h (output_set_got): Likewise.
2439 * config/darwin.c (machopic_legitimize_pic_address): Update
2442 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
2444 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
2445 when MODE isn't BLKmode.
2447 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2449 PR rtl-optimization/25367
2450 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
2452 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
2455 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
2456 for a negative bound.
2458 2006-01-10 Richard Guenther <rguenther@suse.de>
2460 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2461 Never override with anything constraint.
2463 2006-01-10 Jan Beulich <jbeulich@novell.com>
2465 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
2466 256 bits when optimize_size.
2468 2006-01-10 Jan Beulich <jbeulich@novell.com>
2470 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
2472 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
2473 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
2476 2006-01-10 Ben Elliston <bje@au.ibm.com>
2478 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
2480 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
2481 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2482 (USE_FP_FOR_ARG): Reject decimal float modes.
2483 (function_arg_advance): Likewise.
2484 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
2485 (rs6000_handle_altivec_attribute): Do not permit decimal floating
2486 point types in AltiVec vectors.
2487 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
2488 (rs6000_libcall_value): Likewise.
2490 2006-01-09 Bob Wilson <bob.wilson@acm.org>
2492 * config/xtensa/ieee754-df.S: New file.
2493 * config/xtensa/ieee754-sf.S: New file.
2494 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
2495 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
2496 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
2498 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
2500 * config/sh/predicates.md (binary_float_operator,
2501 binary_logical_operator, commutative_float_operator,
2502 equality_comparison_operator, greater_comparison_operator,
2503 less_comparison_operator, logical_operator,
2504 noncommutative_float_operator, shift_operator,
2505 symbol_ref_operand, unary_float_operator): Remove redundant
2508 2006-01-09 Jeff Law <law@redhat.com>
2510 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
2511 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
2512 now unused arguments. Callers updated.
2513 (eliminate_redundant_computations): Remove now unused arguments,
2515 (local_fold): Remove, no longer used.
2516 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
2518 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
2519 (simplify_cond): New function.
2520 (forward_propagate_into_cond): Call simplify_cond.
2522 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
2524 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
2525 (*vec_extractv2di_1_sse): New.
2527 2006-01-09 Ben Elliston <bje@au.ibm.com>
2529 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
2531 2006-01-08 Richard Guenther <rguenther@suse.de>
2533 * tree-ssa-structalias.c (get_constraint_for): Remove
2535 (get_constraint_for_component_ref): Likewise.
2536 (do_deref): Likewise.
2537 (get_constraint_for): Likewise.
2538 (do_structure_copy): Likewise.
2539 (handle_ptr_arith): Likewise.
2540 (find_func_aliases): Likewise. Remove unused need_anyoffset
2543 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
2544 Kaz Kojima <kkojima@gcc.gnu.org>
2546 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
2547 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
2548 (EXTRA_CONSTRAINT_C16): Remove.
2549 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
2550 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
2551 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
2552 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
2553 constants of SHmedia. Handle nested constant expressions of
2555 (andcosts): Fix the costs for SHmedia constants.
2556 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
2557 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
2558 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
2559 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
2560 (movv4hi_i, movv2si_i): Likewise.
2561 (movsi_const): Adjust the second operand of ior so to match with
2563 (movdi_const, movdi_const_32bit): Likewise.
2564 (movdi_const_16bit+1): Don't sign-extend LOW.
2565 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
2567 (*double_shori): Fix the split condition. Use GEN_INT instead
2568 of get_int_mode calls. Mask lower 16-bit of the argument of
2570 (sym2GOTPLT): Remove.
2571 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
2573 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
2574 instead of EXTRA_CONSTRAINT_C16.
2576 2006-01-07 Ian Lance Taylor <ian@airs.com>
2577 David Edelsohn <edelsohn@gnu.org>
2579 PR rtl-optimization/25662
2580 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
2581 for constant operands instead of simplify_gen_binary.
2582 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
2583 after trying simplify_binary_operation
2585 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
2587 * tree.c (iterative_hash_expr): Hash decls based on UID.
2589 2006-01-06 Eric Christopher <echristo@apple.com>
2591 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
2592 (TARGET_UNWIND_EMIT): Fix spelling.
2593 * target.h (gcc_target): Add except_table_label.
2594 * except.c (output_function_exception_table): Use.
2595 * varasm.c (default_emit_except_table_label): New.
2596 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
2598 (asm_out): Add here.
2599 * output.h (default_emit_except_table_label): Prototype.
2600 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
2601 * config/darwin.c (darwin_emit_except_table_label): Define.
2602 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
2604 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
2606 PR tree-optimization/18527
2607 * tree-ssa-loop-niter.c (number_of_iterations_cond,
2608 number_of_iterations_special, number_of_iterations_exit):
2609 Move base and step of an iv to a single structure. Add
2610 no_overflow flag, and use it in # of iterations analysis.
2611 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
2612 folded_casts argument.
2613 (simple_iv): Pass base and step in a structure. Set no_overflow
2615 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
2616 Evaluate expensiveness of computing # of iterations instead of
2617 the final expression.
2618 * tree-scalar-evolution.h (affine_iv): New structure.
2619 (simple_iv): Declaration changed.
2620 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
2621 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
2622 find_givs_in_stmt): Changed due to simple_iv change.
2624 2006-01-06 Jeff Law <law@redhat.com>
2627 * tree-cfg.c (bsi_replace): Rename final argument from
2628 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
2629 change (stmt -> orig_stmt).
2630 * tree-eh.c (verify_eh_throw_stmt_node): New function.
2631 (bsi_remove): Add new argument. Remove EH information
2633 (verify_eh_throw_table_statements): New function.
2634 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
2636 * tree-optimize.c (execute_free_cfg_annotations): Verify
2637 the EH throw statement table after removing annotations.
2638 * except.h (verify_eh_throw_table_statements): Prototype.
2639 * tree-flow.h (bsi_remove): Update prototype.
2640 * tree-vrp.c (remove_range_assertions): Add new argument to
2642 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
2643 * tree-complex.c (expand_complex_div_wide): Likewise.
2644 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
2645 * tree-tailcall.c (eliminate_tailcall): Likewise.
2646 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
2647 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
2648 * tree-nrv.c (tree_nrv): Likewise.
2649 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
2650 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
2651 (combine_blocks): Likewise.
2652 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
2653 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
2654 (cleanup_control_flow): Likewise.
2655 (remove_forwarder_block): Likewise.
2656 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
2657 * tree-sra.c (sra_replace): Likewise.
2658 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
2659 (forward_propagate_single_use_vars): Likewise.
2660 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
2661 * tree-inline.c (expand_call_inline): Likewise.
2662 * tree-vect-transform.c (vect_transform_loop): Likewise.
2663 * tree-outof-ssa.c (rewrite_trees): Likewise.
2664 * tree-cfg.c (make_goto_expr_edges): Likewise.
2665 (cleanup_dead_labels): Likewise.
2666 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
2667 (bsi_move_before, bsi_move_after): Likewise.
2668 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
2669 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
2671 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
2674 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
2676 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
2677 on non gimple variables. Also add checks at the top for decls and
2679 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
2681 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
2682 and IMAGPART_EXPR for creating MUST_DEFs.
2683 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
2684 and NAME_MEMORY_TAG separately from the DECLs.
2686 2006-01-06 Richard Guenther <rguenther@suse.de>
2688 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
2689 annotation, if necessary.
2690 * tree-ssa-pre.c (create_expression_by_pieces): Remove
2691 redundant calls to update_stmt.
2692 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
2695 2006-01-05 Richard Henderson <rth@redhat.com>
2697 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
2699 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
2701 * c-typeck.c: Update copyright date.
2703 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
2705 * c-typeck.c (build_c_cast): Always warn when casting
2706 from a pointer to an integer of different size, even if
2707 the node was constant.
2709 2006-01-05 Richard Guenther <rguenther@suse.de>
2711 PR tree-optimization/22555
2712 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
2713 if one structure field is an array.
2714 * tree-ssa-operands.c (get_expr_operands): Continue scanning
2715 operands even if we found a subvar, but ignore VOPs in this
2717 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
2719 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
2721 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
2724 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
2726 2006-01-05 Richard Guenther <rguenther@suse.de>
2727 Diego Novillo <dnovillo@redhat.com>
2729 * tree-pass.h (TODO_remove_unused_locals): Define.
2730 * gimple-low.c (expand_var_p, remove_useless_vars,
2731 pass_remove_useless_vars): Remove. Update all users.
2732 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
2733 (remove_unused_locals): New function.
2734 * tree-flow.h (remove_unused_locals): Declare.
2735 * passes.c (execute_todo): Call remove_unused_locals if
2736 TODO_remove_unused_locals is set.
2737 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
2738 * tree-ssa-dce.c (pass_dce): Likewise.
2739 * tree-outof-ssa.c (pass_del_ssa): Likewise.
2741 2006-01-05 Richard Guenther <rguenther@suse.de>
2743 * tree-flow.h (struct fieldoff): Decompose field to
2744 type, size and decl.
2745 * tree-ssa-alias.c (create_sft): Take type as parameter.
2746 (create_overlap_variables_for): Store type, size and decl
2747 in the fieldoff structure.
2748 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
2750 (push_fields_onto_fieldstack): Likewise.
2751 (create_variable_info_for): Likewise. Use offset for the
2752 SFT name if the decl is not available.
2754 2006-01-04 Paul Brook <paul@codesourcery.com>
2756 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
2758 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
2760 * lambda-code.c (can_put_in_inner_loop): Relax
2762 (can_put_after_inner_loop): New function.
2763 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
2764 (perfect_nestify): Change to make copies and modify uses.
2766 2006-01-04 Richard Henderson <rth@redhat.com>
2768 Merge from gomp branch:
2769 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
2770 via integer constant.
2771 (pragma_lex): Remove.
2772 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
2773 rather than parsing it.
2774 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
2775 handle_pragma_extern_prefix): Add %< %> quotes.
2776 (registered_pragmas): New.
2777 (c_register_pragma_1): New.
2778 (c_register_pragma): Use it.
2779 (c_register_pragma_with_expansion): Likewise.
2780 (c_invoke_pragma_handler): New.
2781 (init_pragma): Use cpp_register_deferred_pragma directly for
2783 * c-pragma.h (enum pragma_kind): New.
2784 (pragma_handler): New.
2785 (c_invoke_pragma_handler): Declare.
2786 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
2788 * c-common.h (c_common_pch_pragma): Update decl.
2789 * Makefile.in (c-parser.o): Update dependencies.
2790 (GTFILES): Add c-pragma.h.
2791 * c-parser.c (struct c_token): Add pragma_kind.
2792 (struct c_parser): Add in_pragma.
2793 (c_lex_one_token): Always initialize keyword and pragma_kind.
2794 Extract data for CPP_PRAGMA.
2795 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
2796 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
2797 Don't allow CPP_PRAGMA_EOL if in_pragma.
2798 (c_parser_consume_pragma): New.
2799 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
2800 (c_parser_skip_to_end_of_parameter): Likewise.
2801 (c_parser_skip_to_end_of_block_or_statement): Likewise.
2802 (c_parser_skip_to_pragma_eol): New.
2803 (c_parser_external_declaration): Handle CPP_PRAGMA.
2804 (c_parser_compound_statement_nostart): Likewise.
2805 (c_parser_statement_after_labels): Likewise.
2806 (c_parser_pragma): New.
2807 (pragma_lex): Likewise.
2808 (c_parser_pragma_pch_preprocess): New.
2809 (c_parser_new): Merge into ...
2810 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
2812 2006-01-04 Jeff Law <law@redhat.com>
2815 * tree-cfg.c (bsi_replace): Remove the original statement
2816 from the EH throw statement table.
2818 2006-01-04 Jakub Jelinek <jakub@redhat.com>
2820 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
2821 make the prototype extern "C" and add throw ().
2824 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
2825 and pos non-negative and pos + len <= 32.
2826 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
2827 drop pos + len < HOST_BITS_PER_WIDE_INT test.
2828 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
2831 * c-common.c (handle_vector_size_attribute): Reject zero vector size
2832 as well as sizes not multiple of component size.
2835 * function.c (instantiate_expr): New function.
2836 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
2837 walk its DECL_VALUE_EXPR with instantiate_expr.
2839 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
2840 DW_OP_deref{,_size} if address isn't going to be added.
2842 2006-01-04 Ben Elliston <bje@au.ibm.com>
2844 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
2845 * config/fp-bit.c: Likewise.
2847 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
2849 * dominance.c: Add comment about why we use DFS numbering
2852 2006-01-03 Jakub Jelinek <jakub@redhat.com>
2853 Richard Henderson <rth@redhat.com>
2855 Merge from gomp-branch:
2856 * varasm.c (assemble_variable): Handle thread-local COMMON data.
2857 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
2859 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
2861 PR rtl-optimization/25578
2862 * combine.c (combine_simplify_rtx, force_to_mode): Don't
2863 pass a parameter to simplify_shift_const if changing ASHIFTRT
2866 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
2868 * builtins.c (get_builtin_sync_mem): New function.
2869 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
2870 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
2871 Call get_builtin_sync_mem to generate mem rtx.
2873 2006-01-03 Richard Guenther <rguenther@suse.de>
2876 * stmt.c (add_case_node): Make sure to clear overflow flags
2879 2006-01-03 Jakub Jelinek <jakub@redhat.com>
2881 Merge from gomp-branch.
2882 * config/sparc/sync.md: New file.
2883 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
2884 UNSPECV_LDSTUB): New constants.
2885 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
2886 * config/sparc/predicates.md (memory_reg_operand): New predicate.
2887 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
2890 2006-01-03 Roger Sayle <roger@eyesopen.com>
2892 * combine.c (reg_subword_p): New predicate to test whether the
2893 destination of a set refers to a subword/piece of a register.
2894 (try_combine): Generalize the code to merge the setting of a
2895 pseudo to a constant followed by a set of a subword of that
2896 register to a constant.
2898 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
2900 * basic-block.h (control_flow_graph): Change the type of
2901 x_label_to_block_map to VEC(basic_block,gc) *.
2902 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
2903 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
2905 * tree-ssa-propagate.c (cfg_blocks): Change the type to
2906 VEC(basic_block,heap) *.
2907 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
2908 ssa_prop_fini): Adjust the uses of cfg_blocks.
2910 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
2912 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
2914 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
2915 hashing trees instead of a pointer hash.
2916 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
2917 compare for MEM_EXPR.
2919 PR rtl-optimization/25130
2920 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
2921 when comparing MEMs for GCSE
2923 2006-01-03 Ben Elliston <bje@au.ibm.com>
2925 * targhooks.h (default_decimal_float_supported_p): Declare.
2926 * targhooks.c (default_decimal_float_supported_p): Define.
2927 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
2928 `default_decimal_float_supported_p'.
2929 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
2931 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
2933 * combine.c (apply_distributive_law <SUBREG>): Check
2934 TRULY_NOOP_TRUNCATION.
2936 2006-01-02 Geoffrey Keating <geoffk@apple.com>
2938 * dwarf2out.c (have_switched_text_section): Delete.
2939 (have_multiple_function_sections): New.
2940 (have_location_lists): Make 'bool'.
2941 (add_AT_loc_list): Use 'true' not '1'.
2942 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
2943 (output_loc_list): Use have_multiple_function_sections.
2944 (output_ranges): Likewise.
2945 (dwarf2out_begin_function): Set have_multiple_function_sections if
2947 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
2948 Check function_section rather than DECL_SECTION_NAME.
2949 (dwarf2out_finish): Use have_multiple_function_sections.
2950 Don't clear have_location_lists.
2952 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
2953 Jan Hubicka <jh@suse.cz>
2955 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
2956 case of conditional jump jumping to the next instruction.
2957 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
2958 cases of conditional jump jumping to the next instruction.
2960 2006-01-02 Jan Hubicka <jh@suse.cz>
2962 * i386.c (*_cost): Add COSTS_N_INSNS.
2963 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
2965 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
2968 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
2970 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2972 * config/arm/arm.c (all_fpus): Fix comment typo.
2973 * config/darwin.c: Likewise.
2974 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
2975 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
2976 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
2978 2006-01-01 David Edelsohn <edelsohn@gnu.org>
2980 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
2981 (rs6000_split_compare_and_swapqhi): New.
2982 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
2983 (sync_compare_and_swapqhi_internal): New.
2984 * config/rs6000/rs6000-protos.h: Declare.