1 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
4 * config/cris/cris.c (cris_order_for_addsi3): New function.
5 * config/cris/cris-protos.h: Prototype it.
6 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
8 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
9 (split for "op.S1 [rx=rx+i],ry (swapped)")
10 (split for "op(s|u).S1 [rx=rx+i],ry")
11 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12 Apply cris_order_for_addsi3 when generating addsi3 insns.
14 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
17 (TREE_BLOCK): Add call to EXPR_CHECK.
19 2006-01-25 Diego Novillo <dnovillo@redhat.com>
22 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
23 * tree-pretty-print.c (dump_omp_clause): Extract from ...
24 (dump_omp_clauses): ... here.
25 (dump_generic_node): Handle OMP_CLAUSE.
26 * tree.c (omp_clause_num_ops): New.
27 (omp_clause_code_name): New.
28 (tree_code_size): Handle OMP_CLAUSE.
29 (tree_size): Likewise.
30 (make_node): Document handling of OMP_CLAUSE.
31 (tree_node_structure): Handle OMP_CLAUSE.
32 (omp_clause_check_failed): New.
33 (omp_clause_range_check_failed): New.
34 (omp_clause_operand_check_failed): New.
35 (build_omp_clause): New.
36 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
37 * tree.h (enum omp_clause_code): Declare.
38 (OMP_CLAUSE_SUBCODE): Define.
39 (OMP_CLAUSE_RANGE_CHECK): Define.
40 (OMP_CLAUSE_ELT_CHECK): Define.
41 (omp_clause_check_failed): Declare.
42 (omp_clause_operand_check_failed): Declare.
43 (omp_clause_range_check_failed): Declare.
44 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
45 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
46 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
47 (OMP_CLAUSE_LASTPRIVATE): Likewise.
48 (OMP_CLAUSE_IF_EXPR): Likewise.
49 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
50 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
51 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
52 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
53 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
54 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
55 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
56 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
57 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
58 (OMP_CLAUSE_CODE): Define.
59 (OMP_CLAUSE_SET_CODE): Define.
60 (OMP_CLAUSE_CODE): Define.
61 (OMP_CLAUSE_OPERAND): Define.
62 (struct tree_omp_clause): Declare.
63 (union tree_node): Add field 'omp_clause'.
64 * treestruct.def (TS_OMP_CLAUSE): Define.
65 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
66 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
67 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
68 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
69 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
70 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
72 * print-tree.c (print_node): Handle OMP_CLAUSE.
73 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
74 * c-typeck.c: Likewise.
75 * gimplify.c: Likewise.
77 * tree-nested.c: Likewise.
78 * tree-inline.c: Likewise.
79 * c-parser.c: Likewise.
80 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
83 2006-01-25 Roger Sayle <roger@eyesopen.com>
85 PR rtl-optimization/25703
86 * combine.c (try_combine): Handle zero_extract and strict_low_part
87 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
89 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
91 * global.c: Fix comment typos.
93 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
96 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
97 Use output_addr_const instead of assemble_name.
99 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
101 * Makefile.in (sched-vis.o): Update dependencies.
102 * haifa-sched.c (sched_finish): Clear current_sched_info.
103 * cfg.c (dump_bb_info): New, split from dump_flow_info.
104 (dump_flow_info): Call it.
105 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
107 * basic-block.h (dump_bb_info): Declare.
108 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
109 option, and apply options only for dump files whose TDF_RTL,
110 TDF_TREE, or TDF_IPA bits match.
111 * rtl.h: Declare new functions exported from sched-vis.c.
112 * sched-vis.c: Enable also if scheduling is not used.
113 (print_value): Print the mode of registers if not inside scheduling.
114 (print_insn): Make it work outside the scheduler. Beautify the output
116 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
118 2006-01-25 Richard Sandiford <richard@codesourcery.com>
120 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
121 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
122 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
123 depending on the value of CONSTANT_POOL_ADDRESS_P.
124 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
126 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
127 rather than SYMBOL_REF_DECL.
128 (rtx_constant_pool): Remove const_rtx_sym_htab.
129 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
130 (init_varasm_status): Don't initialize const_rtx_sym_htab.
131 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
132 Remove handling of const_rtx_sym_htab.
133 (find_pool_constant): Delete.
134 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
135 rather than find_pool_constant.
136 (get_pool_constant_for_function): Delete.
137 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
139 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
140 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
141 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
142 (SYMBOL_REF_CONSTANT): New macro.
143 (get_pool_constant_for_function): Delete.
144 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
145 rather than SYMBOL_REF_DECL.
146 (i386_pe_mark_dllimport): Likewise.
147 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
148 rather than SYMBOL_REF_DECL.
149 * config/darwin.c (machopic_indirect_data_reference): Likewise.
150 (machopic_indirect_call_target): Likewise.
152 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
154 * flow.c (delete_noop_moves): Add missing EOL to dump message.
156 2006-01-25 Richard Sandiford <richard@codesourcery.com>
158 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
160 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
162 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
164 2006-01-24 David Daney <ddaney@avtrex.com>
167 * configure.ac (enable_tls): New enable option.
168 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
169 * configure: Regenerate.
170 * doc/install.texi (--enable-tls): Document new option.
171 (--disable-tls): Ditto.
173 2006-01-24 Richard Henderson <rth@redehat.com>
175 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
176 * alias.c (true_dependence): Respect it.
177 (canon_true_dependence, write_dependence_p): Likewise.
178 * builtins.c (get_builtin_sync_mem): Set it.
180 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
182 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
185 2006-01-24 DJ Delorie <dj@redhat.com>
187 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
188 for storing constants in single-bit bitfields.
190 2006-01-25 Ben Elliston <bje@au.ibm.com>
192 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
194 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
197 * tree-ssa-pre.c (phi_translate): Return NULL
198 for AGGREGATE_TYPE's.
200 2006-01-24 Zack Weinberg <zackw@panix.com>
202 * genautomata.c (process_state_for_insn_equiv_partition):
203 Use xcalloc for insn_arcs_array.
204 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
205 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
207 2006-01-24 Richard Henderson <rth@redhat.com>
209 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
212 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
214 PR rtl-optimization/25890
215 PR rtl-optimization/25905
216 * combine.c (expand_compound_operation, expand_field_assignment):
217 Fail if the bitfield's final position is out of bounds.
219 2006-01-24 Ian Lance Taylor <ian@airs.com>
222 * cgraphunit.c (cgraph_output_in_order): Don't clear
223 cgraph_asm_nodes until after asm strings have been output.
225 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
227 * fix-header.c (read_scan_file): Add new parameter imultilib when
228 calling register_include_chains.
230 2006-01-23 Diego Novillo <dnovillo@redhat.com>
232 * omp-low.c: Update documentation.
234 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
235 Daniel Berlin <dberlin@dberlin.org>
239 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
240 return from the function.
242 2006-01-22 Zack Weinberg <zackw@panix.com>
244 * rtl.def (match_code): Add second argument.
245 * genpreds.c (write_extract_subexp): New function.
246 (write_match_code): Add path argument. Use write_extract_subexp.
247 (write_predicate_expr): Pass path to write_match_code.
248 (mark_mode_tests): MATCH_CODE applied to a subexpression does
249 not perform a mode test.
250 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
251 a subexpression does not constrain the top-level code set.
252 * read-rtl.c (read_rtx_variadic): New function.
253 (read_rtx_1): Use it; allow AND and IOR to be variadic.
254 * doc/md.texi: Document new notation.
255 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
256 (cmpsi_operand): ... here, using new notation.
258 2006-01-22 Zack Weinberg <zackw@panix.com>
260 * varray.c: Remove GENERATOR_FILE #ifdefs.
262 2006-01-22 Zack Weinberg <zackw@panix.com>
264 * genautomata.c (output_reserved_units_table): Emit nothing if
265 description->query_units_num is zero. Remove extra blank line.
266 (output_cpu_unit_reservation_p): Short circuit
267 if description->query_units_num is zero.
269 2006-01-22 Zack Weinberg <zackw@panix.com>
271 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
272 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
273 nor any of the random handful of variables that used to be necessary
274 when this program was linked with rtlanal.o. Prune set of forward
275 function declarations.
276 (struct attr_desc): Remove static_p field.
277 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
278 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
279 (attr_string): Do not read the character one past the length of
281 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
282 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
283 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
284 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
285 (make_automaton_attrs): New.
286 (main): Do not call into genautomata. Call local gen_bypass
287 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
288 Remove special case for insn_alts.
289 * genautomata.c: Include gensupport.h; not genattrtab.h nor
290 varray.h (leftover from previous change). Prune set of forward
291 function declarations. Remove state_alts fields from all
292 structures. Remove state_alts_table from struct automaton.
293 Make everything except main static. Do not maintain num_dfa_decls.
294 Do not maintain state_alts fields of various structures.
295 (process_decls): Don't validate condexp for dm_insn_reserv decls.
296 (add_arc): Remove state_alts argument. All callers updated.
297 (output_reserved_units_table): Emit #ifdef here...
298 (output_tables): ...not here. Don't generate state_alts tables.
299 (expand_automata): Don't generate attributes.
300 (write_automata): Don't generate state_alts functions.
301 (main): New function.
302 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
303 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
304 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
305 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
306 (BYPASS_P_FUNC_NAME, output_state_alts_table)
307 (output_automata_list_state_alts_code, output_internal_state_alts_func)
308 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
309 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
311 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
312 * genattrtab.h: Delete file.
313 * Makefile.in (OBJS-common): Add insn-automata.o.
314 (insn-automata.o): New rule.
315 (simple_generated_c): Add insn-automata.c.
316 (build/genattrtab.o, build/genautomata.o): Update dependencies.
317 (genprogmd): Add automata.
318 (build/genattrtab): Needs no extra objects nor libraries.
319 (build/genautomata): Needs build/vec.o and -lm.
321 2006-01-22 Zack Weinberg <zackw@panix.com>
323 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
324 (output_dfa_max_issue_rate, locked_states_num): Delete.
325 (struct automaton): Add locked_states field.
326 (output_dead_lock_vect): Save number of locked states in
327 automaton->locked_states. If it is zero, don't print anything.
328 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
329 (output_internal_dead_lock_func): Only test the dead_lock_vect
330 for automata that have locked states.
331 (output_statistics): Always print the number of locked states for
332 each automaton. Calculate total number of locked states here.
333 (write_automata): Don't call output_dfa_max_issue_rate.
334 * genattrtab.c: Define length_unit_log as a const variable.
335 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
336 max_insn_queue_index const.
337 * final.c (length_unit_log): Declare const.
338 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
340 2006-01-22 Zack Weinberg <zackw@panix.com>
342 * genautomata.c: Include vec.h, not varray.h.
343 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
344 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
345 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
346 VEC_* macros operating on appropriately typed vectors, or to
347 malloced arrays when the size is known in advance. Const-ify
348 many char* variables and function arguments. No functional changes.
349 * Makefile.in (build/varray.o): Delete rule.
350 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
351 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
353 2006-01-22 Zack Weinberg <zackw@panix.com>
355 * gensupport.c: Define get_insn_name and record_insn_name here.
356 (read_md_rtx): Call record_insn_name as appropriate.
357 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
358 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
359 * genpreds.c, genrecog.c: Don't define get_insn_name nor
361 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
362 (BUILD_VARRAY): Delete.
363 (genprognormal): Rename genprogmd. Fold in all programs from
364 genprognoprint; also attrtab.
365 (build/genattrtab): Just mention genautomata.o and varray.o.
366 Reorganize a bit, add comments to make the categories clearer.
368 2006-01-22 Zack Weinberg <zackw@panix.com>
370 * genconditions.c (condition_table, add_condition): Delete.
371 (write_conditions): Don't emit n_insn_conditions nor
372 insn_elision_unavailable. Issue the gcc version #ifdef here,
373 inside the table, with no #else clause ...
374 (write_header): ...not here.
375 (write_writer): New function.
376 (main): Don't initialize condition_table. Use add_c_test.
378 * gensupport.c (init_md_reader_args_cb): Handle multiple input
379 files on the command line.
380 (maybe_eval_c_test): Don't check insn_elision_unavailable.
381 Return -1 if there is no entry in the table, don't abort.
382 (add_c_test, traverse_c_tests): New functions.
383 * gensupport.h (insn_elision_unavailable, insn_conditions)
384 (n_insn_conditions): Delete declarations.
385 (add_c_test, traverse_c_tests): Declare.
386 * read-rtl.c: Include gensupport.h.
387 (read_conditions): New function.
388 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
389 (read_rtx_1): If we get EOF when we were looking for an initial
390 open paren, return 0. Call read_conditions when appropriate.
391 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
392 dummy-conditions.o. Eliminate references to insn-conditions.o,
393 or change them to build/gencondmd.o, as appropriate. Remove
394 insn-constants.h from $(simple_generated_h) and insn-conditions.c
395 from $(simple_generated_c). For all files remaining in those
396 two lists, add insn-conditions.md to the generator command line.
397 Give insn-constants.h/s-constants their own rules. Add rules
398 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
399 (build/read-rtl.o): Depend on gensupport.h.
400 (genprognormal): Include preds.
401 (genprogearly): Rename genprognoprint; only difference is now that
402 they don't link with $(BUILD_PRINT).
403 * dummy-conditions.c: Delete.
405 2006-01-22 Zack Weinberg <zackw@panix.com>
407 * genextract.c: Don't include insn-config.h. Do include vec.h.
408 Declare vectors of int, char, and locstr.
409 (locstr): New typedef.
410 (struct extraction): Make all array fields into bare pointers.
411 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
412 (insn_code_number): Delete.
413 (accum_extract): New struct.
414 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
415 (gen_insn): Take insn_code_number as an argument. Use an
416 accum_extract structure instead of loading data directly into
417 a struct extraction, and having to know how big it might get.
418 (walk_rtx): Operate entirely on an accum_extract structure.
419 (print_path): Avoid unnecessary use of printf.
420 (print_header): New function, split out of main. Distinguish
421 more carefully between an unrecognizable insn and an insn that
422 has the code number of a define_expand.
423 (main): Pass insn_code_number to gen_insn. Call print_header
424 only after parsing. Avoid unnecessary use of printf.
425 * Makefile.in (build/vec.o): New rule.
426 (build/genextract): Depend on build/vec.o.
427 (build/genextract.o): Don't depend on insn-config.h.
429 2006-01-22 Zack Weinberg <zackw@panix.com>
431 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
432 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
433 practical. Eliminate per-generator-program link rules.
435 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
438 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
439 with a call expr to ...
440 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
442 2006-01-23 Richard Guenther <rguenther@suse.de>
444 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
445 before make_edge with conditional EDGE_TRUE_VALUE.
447 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
448 Jan Hubicka <jh@suse.cz>
449 Richard Guenther <rguenther@suse.de>
451 PR rtl-optimization/25654
452 * cfgexpand.c (aggregate_contains_union_type): New function.
453 (add_alias_set_conflicts): Call it. Make sure to add conflicts
454 for structure variables that contain a union type.
456 2006-01-23 Richard Sandiford <richard@codesourcery.com>
458 * gengtype.c (new_structure): Return the structure.
459 (create_option): Add an extra "next" argument.
460 (create_field): New function.
461 (adjust_field_rtx_def): Use create_option and create_field.
462 Remove a now-unnecessary call to find_structure.
463 (adjust_field_tree_def): Likewise.
464 (note_yacc_type): Remove an unnecessary call to find_structure.
465 * gengtype.h (new_structure): Return the structure.
466 (create_option): Add an extra argument.
467 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
468 (option): Adjust calls to create_option.
470 2006-01-22 David Edelsohn <edelsohn@gnu.org>
472 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
474 2006-01-22 Paul Brook <paul@codesourcery.com>
475 Peter Barada <peter@the-baradas.com>
477 * config/m68k/m68k.md: Add Coldfire FPU support.
478 Define FP mode macro and associated attributes.
479 Use it for float mode patterns.
480 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
481 (LIBCALL_VALUE): Use m68k_libcall_value.
482 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
483 (m68k_function_value): Ditto.
484 (emit_move_sequence): Ditto.
485 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
486 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
487 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
488 (MULTILIB_EXCEPTIONS): Ditto.
489 * config/m68k/m68k.opt: Add mcfv4e.
490 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
491 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
492 (m68k_output_function_prologue): Save ColdFire FPU registers.
493 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
494 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
495 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
496 ColdFire FPU registers.
497 (m68k_libcall_value, m68k_function_value): New functions.
498 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
499 (LIBCALL_VALUE): Use m68k_libcall_value.
500 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
501 (MASK_COLDFIRE): Add MASK_CFV4E.
502 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
503 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
504 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
505 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
506 (GO_IF_LEGITIMATE_ADDRESS): Use it.
507 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
508 * doc/invoke.tex: Document -mcfv4e on m68k.
510 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
512 * doc/contribute.texi: Change CVS to SVN and update the corresponding
515 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
518 * c-opts.c (c_common_handle_option): Don't include
519 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
520 * doc/invoke.texi (C++ Dialect Options): Document that
521 -Wnon-virtual-dtor is no longer included in -Wall.
523 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
525 * gcov.c (print_version), gcov-dump.c (print_version),
526 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
529 2005-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
531 * df-scan.c (problem_SCAN): Added NULL reset function.
532 (df_scan_reset_blocks): Added code to call reset block function
533 (df_bb_refs_delete) Fixed comment.
534 (df_insn_refs_delete): Made tolerant of deleting non existent info
535 for dataflow problems that need to be reset.
536 * df-core.c (df_set_blocks): Ditto.
537 * df.h (struct df_problem): Added reset_fun.
538 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
539 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
540 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
541 functions to clear out all references to def-use or use-def chains.
543 2006-01-21 Ben Elliston <bje@au.ibm.com>
545 * varasm.c (assemble_real): Initialise data array.
547 2006-01-20 Paul Brook <paul@codesourcery.com>
549 Merge from csl-arm-branch.
550 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
551 * config/arm/arm.md (movdi): Force operands[1] to a register
552 if we have a non-register source.
553 (*arm_movdi, *movdf_soft_insn): Require that one of the
554 operands be a register.
555 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
556 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
558 2006-01-20 DJ Delorie <dj@redhat.com>
560 * varasm.c (initialize_constant_valid_p): Allow pointers
561 initialized from integer constants of lesser precision.
562 (output_constant): Allow non-int-sized pointer modes to be
563 initialized from integer constants.
565 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
568 * cppdefault.h (struct default_include): Add multilib flag.
569 * cppdefault.c (cpp_include_defaults): Set it.
570 * c.opt (-imultilib): New option.
571 * c-opts.c (imultilib): New.
572 (c_common_handle_option): Handle -imultilib.
573 (c_common_post_options): Likewise.
574 * c-incpath.c (add_standard_paths, register_include_chains):
576 * c-incpath.h (register_include_chains): Add extra parameter.
577 * gcc.c (do_spec_1): Generate -imultilib option.
578 (The Specs Language): Update %I description.
579 (process_command): Update copyright notice.
580 * doc/cppopts.texi (-imultilib): Document.
581 * doc/invoke.texi (-imultilib): Include in option summary.
582 (%I): Update specs documentation.
584 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
586 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
588 2006-01-20 Richard Sandiford <richard@codesourcery.com>
590 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
593 2006-01-20 Richard Guenther <rguenther@suse.de>
594 Steven Bosscher <stevenb.gcc@gmail.com>
596 PR rtl-optimization/24626
597 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
598 EDGE_TRUE_VALUE if in RTL mode.
601 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
602 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
604 2006-01-20 Dirk Mueller <dmueller@suse.com>
607 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
608 instead of a special NOP marker.
609 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
611 * c-common.h (empty_body_warning): Add forward declaration.
612 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
613 Now uses IS_EMPTY_STMT() instead of special NOP markers.
615 2005-01-20 Paul Brook <paul@codesourcery.com>
617 * Makefile.in (lang_checks): Keep going if mkdir fails.
619 2005-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
621 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
622 be able to clean out basic block when not necessary.
623 (df_scan_free): Fixed to properly delete information if df is
624 unused before calling df_finish.
625 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
626 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
628 (df_bb_refs_delete): New function.
629 (df_refs_delete): Moved per block code to df_bb_refs_delete.
630 * df-core.c (df_set_blocks): Added code to properly clean out
631 unused blocks if they are not part of the blocks to consider.
632 Added additional null check.
633 (df_compact_blocks): Added basic block parameter to free_bb_fun to
634 be able to clean out basic block when not necessary
635 * df.h (df_free_bb_function): Ditto.
636 (df_bb_refs_delete): New function.
637 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
638 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
639 basic block parameter to be able to clean out basic block when not
641 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
642 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
643 Fixed to properly delete information if df is unused before
646 2005-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
648 PR rtl-optimization/25799
649 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
650 Corrected confluence operator to remove bits from op2 before oring
651 with op1 rather than removing bits from op1.
652 (df_ru_transfer_function): Corrected test on wrong bitmap which
653 caused infinite loop. Both of these problems were introduced in
654 the dataflow rewrite.
656 2006-01-19 DJ Delorie <dj@redhat.com>
658 * reload1.c (find_reload_regs): Note the details of reload
659 failures in the dump file.
660 (spill_failure): Likewise.
662 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
664 * loop-iv.c: Include df.h and hashtab.h.
665 (enum iv_grd_result): New enum.
666 (DF_REF_IV, DF_REF_IV_SET): New macros.
667 (struct biv_entry): New.
668 (df, bivs): New global variables.
669 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
670 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
672 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
673 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
674 analyzed_for_bivness_p, record_biv): New functions.
675 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
676 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
677 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
679 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
681 (iv_number_of_iterations): Use new interface to iv analysis.
682 * loop-unroll.c: Do not include varray.h.
683 (analyze_iv_to_split_insn): Use new interface to iv
685 * loop-unswitch.c (may_unswitch_on): Ditto.
686 * df.c (df_bitmaps_free): Only work for bbs for that structures are
688 (df_bb_modify): Realloc tables to the new index.
689 (df_find_use): New function.
690 * df.h (df_find_use): Declare.
691 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
693 * cfgloop.h (struct rtx_iv): Remove analysed field.
694 (iv_get_reaching_def): Removed.
695 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
696 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
697 (loop-iv.o): Add df.h and hashtab.h dependency.
698 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
700 2006-01-20 Alan Modra <amodra@bigpond.net.au>
702 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
704 (__floatundisf, __floatundidf): Likewise.
705 * libgcc2.h (IS_IBM_EXTENDED): Define.
707 2006-01-19 DJ Delorie <dj@redhat.com>
709 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
711 2006-01-19 Paul Brook <paul@codesourcery.com>
713 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
714 as nothrow when unwinding tables are disabled.
716 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
719 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
720 of bit-field" when in system header.
722 2006-01-19 DJ Delorie <dj@redhat.com>
724 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
725 the 16 bit shift limit of the m16c.
727 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
730 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
731 * config/i386/i386.c (output_set_got): Output the label if we have one
732 for the TARGET_DEEP_BRANCH_PREDICTION case.
734 2006-01-19 Jan Hubicka <jh@suse.cz>
735 H.J. Lu <hongjiu.lu@intel.com>
736 Evandro Menezes <evandro.menezes@amd.com>
738 * invoke.texi (generic): Document
740 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
741 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
742 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
743 (x86_use_incdec, x86_pad_returns): New variables
744 (TARGET_CPU_DEFAULT_generic): New constant
745 (TARGET_CPU_DEFAULT_NAMES): Add generic.
746 (enum processor_type): Add generic32 and generic64.
747 * i386.md (cpu attribute): Add generic32/generic64
748 (movhi splitter): Behave sanely when both partial_reg_dependency and
749 partial_reg_stall are set.
750 (K8 splitters): Enable for generic as well.
751 * predicates.md (incdec_operand): Use TARGET_INCDEC
752 (aligned_operand): Avoid memory mismatch stalls.
753 * athlon.md: Enable for generic64, new patterns for 128bit moves.
754 * ppro.md: Enable for generic32
755 * i386.c (generic64_cost, generic32_cost): New.
756 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
757 (x86_use_leave): Enable for generic64. (x86_use_sahf,
758 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
759 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
760 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
761 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
762 x86_partial_reg_dependency, x86_memory_mismatch_stall,
763 x86_accumulate_outgoing_args, x86_prologue_using_move,
764 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
765 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
767 (x86_use_incdec, x86_pad_returns): New.
768 (override_options): Add generic32 and generic64, translate "generic"
769 to generic32/generic64 and "i686" to "generic32", refuse
770 "generic32"/"generic64" as arch target.
771 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
772 (ix86_reorg): Honor PAD_RETURNS.
774 2006-01-19 Diego Novillo <dnovillo@redhat.com>
776 * tree-pretty-print.c (dump_generic_node): Handle
777 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
778 * cgraph.c (cgraph_expand_queue): Rename from
779 cgraph_analyze_queue. Update all users.
780 * cgraphunit.c (cgraph_assemble_pending_functions): Process
782 (cgraph_expand_all_functions): Likewise.
783 (cgraph_finalize_pending_functions): Remove. Update callers.
785 * tree.h (OMP_DIRECTIVE_P): Define.
786 (OMP_PARALLEL_FN): Define.
787 (OMP_PARALLEL_DATA_ARG): Define.
788 (OMP_SECTIONS_SECTIONS): Define.
789 * tree-pass.h (pass_expand_omp): Declare.
790 * omp-low.c (struct omp_region): Declare.
791 (struct omp_context): Remove fields 'parallel_type',
792 'parallel_start_ix' and 'parallel_start_additional_args'.
794 (struct omp_for_data): Rename from struct expand_omp_for_data.
795 (omp_regions): New static variable.
796 (root_omp_region): New static variable.
797 (find_omp_clause): Make static.
798 (is_in_combined_parallel_ctx): Remove.
799 (is_combined_parallel): New.
800 (extract_omp_for_data): Move earlier in the file.
801 (workshare_safe_to_combine_p): New.
802 (get_ws_args_for): New.
803 (determine_parallel_type): Move earlier in the file.
804 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
806 (omp_copy_decl): Likewise.
807 (create_omp_child_function): Likewise.
808 (lookup_omp_region): New.
809 (dump_omp_region): New.
810 (debug_omp_region): New.
811 (debug_all_omp_regions): New.
812 (new_omp_region): New.
813 (scan_omp_parallel): If parallel_nesting_level > 1, the
814 directive is nested within another parallel directive.
816 (scan_omp_for): Do not try to handle combined parallel+for
818 Remove FIXME comment.
819 (scan_omp_nested): Remove.
820 (scan_omp_1): Do not call scan_omp_nested when
821 parallel_nesting_level is > 1.
822 Do not change the DECL_CONTEXT of local variables found.
823 (lookup_decl_in_outer_ctx): New.
824 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
825 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
826 (lower_reduction_clauses): Rename from expand_reduction_clauses.
827 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
828 If CTX is nested, lookup VAR in the outer context when
829 building copy assignment.
830 (lower_send_clauses): Rename from expand_send_clauses.
831 If CTX is nested, lookup VAR in the outer context when
832 building copy assignments.
833 (lower_send_shared_vars): Rename from expand_send_shared_vars.
834 If CTX is nested, lookup VAR in the outer context when
835 building copy assignments.
836 (expand_parallel_call): Rename from build_parallel_call.
837 Handle combined parallel+workshare cases.
838 Re-implement to emit code into the CFG.
840 (expand_omp_parallel): Re-implement to emit code into the CFG.
841 Call move_sese_region_to_fn to outline the sub-graph
842 containing the parallel region.
843 (expand_omp_for_1): Remove.
844 (expand_omp_for_generic): Re-implement to emit code into the
846 (expand_omp_for_static_nochunk): Likewise.
847 (expand_omp_for_static_chunk): Likewise.
848 (expand_omp_for): Likewise.
849 (expand_omp_sections): Likewise.
850 (remove_exit_barriers): New.
851 (expand_omp_synch): New.
853 (build_omp_regions_1): New.
854 (build_omp_regions): New.
855 (execute_expand_omp): New.
856 (gate_expand_omp): New.
857 (pass_expand_omp): Define.
858 (lower_omp_sections): Rename from expand_omp_sections.
859 Set OMP_SECTIONS_SECTIONS.
860 (lower_omp_single_simple): Rename from expand_omp_single_simple.
861 (lower_omp_single_copy): Rename from expand_omp_single_copy.
862 (lower_omp_single): Rename from expand_omp_simple.
863 (lower_omp_master): Rename from expand_omp_master.
864 (lower_omp_ordered): Rename from expand_omp_ordered.
865 (lower_omp_critical): Rename from expand_omp_critical.
866 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
867 (lower_omp_for): Re-implement.
868 (lower_omp_parallel): Re-implement.
869 (lower_regimplify): Rename from expand_regimplify.
870 (lower_omp_1): Rename from expand_omp_1.
871 If there are syntax errors in the program, replace every
872 OpenMP directive with NOP.
873 Call lower_omp_* instead of expand_omp_*.
874 (lower_omp): Rename from expand_omp.
876 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
877 * tree-gimple.h (enum omp_parallel_type): Remove.
878 (gimple_boolify): Declare extern.
879 (find_omp_clause, determine_parallel_type): Remove.
881 * gimple-low.c (lower_omp_directive): New.
882 (lower_stmt): Call it.
883 (record_vars_into): Move from ...
884 (record_vars): ... here.
885 Call record_vars_into with current_function_decl.
887 * gimplify.c (struct gimplify_ctx): Remove fields
888 combined_pre_p and combined_ctxp. Update users.
889 (get_formal_tmp_var): Add documentation.
890 (gimple_boolify): Make extern.
891 (gimplify_expr_in_ctx): Remove. Update callers.
892 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
893 will always be a BIND_EXPR.
894 (gimplify_expr): Handle OMP_RETURN_EXPR.
895 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
896 (OMP_PARALLEL): Add 3 operands.
897 (OMP_SECTIONS): Add 1 operand.
898 (OMP_RETURN_EXPR): Define.
900 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
901 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
902 * tree-iterator.c (alloc_stmt_list): Assert that we are not
903 creating a circular free list.
904 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
906 * tree-flow.h (move_sese_region_to_fn): Declare.
907 (record_vars_into): Declare.
908 * tree-cfg.c (make_omp_sections_edges): New.
909 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
910 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
911 OMP_SECTIONS and OMP_SECTION.
912 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
913 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
914 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
915 (gather_blocks_in_sese_region): New.
916 (struct move_stmt_d): Declare.
918 (move_block_to_fn): New.
919 (move_sese_region_to_fn): New.
921 * passes.c (init_optimization_passes): Schedule
922 pass_expand_omp after pass_init_datastructures.
924 * tree-ssa-operands.c (get_expr_operands): Handle
925 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
926 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
928 2006-01-19 Jeff Law <law@redhat.com>
930 * tree-vrp.c (extract_range_from_assert): Refine the result range
931 if the variable referenced by the ASSERT_EXPR has a range and
932 either the tentative result range or the previous range is a
935 2006-01-19 Richard Sandiford <richard@codesourcery.com>
937 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
939 2006-01-19 Jan Hubicka <jh@suse.cz>
941 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
943 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
945 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
946 (expand_compound_operation, expand_field_assignment): Fail if the
947 bit lengths of an extract operation are out of range.
948 (make_extraction): Compute wanted_inner_mode based on the position
949 and length of the extraction. Make it extraction_mode for non-constant
950 positions, and do not modify offset in that case. When generating a
951 new MEM, use a mode that can hold the extraction while keeping correct
952 alignment. Remove code that supported MEMs wrapped by USEs.
953 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
955 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
957 * config/s390/s390.md ("Y", "y"): New mode attribute.
958 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
959 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
960 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
961 "*addsi3_imm_cc", "*addsi3_carry1_cc",
962 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
963 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
964 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
965 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
966 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
967 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
968 "addsi3", "subsi3"): Insn patterns removed.
969 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
970 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
971 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
972 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
973 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
974 "*sub<mode>3_cconly2"): New insn patterns.
975 ("addsi3", "subsi3"): New expanders.
977 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
979 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
980 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
981 existing STMT_VINFO_VECTYPE if available.
982 (vect_mark_relevant): Add special handling for stmts that are
983 marked as STMT_VINFO_IN_PATTERN_P.
984 (vect_analyze_loop): Call vect_pattern_recog.
985 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
986 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
988 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
989 (vect_recog_func_ptr): New function-pointer type.
990 * tree-vect-patterns.c: New file.
991 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
992 (vect_recog_dot_prod_pattern, vect_pattern_recog):
993 (vect_pattern_recog_1): New functions.
994 (vect_pattern_recog_funcs): New array of function pointers.
996 * tree-vectorizer.h (ternary_op): New enum value.
997 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
998 declaration. Revised documentation. Removed redundant dump prints.
999 Removed redundant argument. Added support for reduction patterns.
1000 (vectorizable_reduction): Added support for reduction patterns.
1001 (vect_transform_stmt): Added support for patterns.
1003 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
1004 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
1005 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
1006 (expand_widen_pattern_expr): New function.
1007 (init_optabs): Initialize new optabs udot_prod_optab,
1009 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
1010 (sdot_prod_optab, udot_prod_optab): Define new optabs.
1011 (expand_widen_pattern_expr): New function declaration.
1012 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
1014 * tree-inline.c (estimate_num_insns_1): Added cases for new
1015 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1016 * tree-pretty-print.c (dump_generic_node): Likewise.
1017 (op_prio): Likewise.
1018 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1019 * tree-ssa-operands.c (get_expr_operands): Added case for
1021 * tree-vect-patterns.c (widened_name_p): New function.
1022 (vect_recog_dot_prod_pattern): Added function implementation.
1023 * tree-vect-transform.c (get_initial_def_for_reduction): Added
1024 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
1025 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
1026 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
1028 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
1029 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
1030 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
1031 (init_optabs): Initialize new optabs widen_ssum_optab,
1033 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
1034 (widen_ssum_optab, widen_usum_optab): Define new optabs.
1035 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
1036 use instead of type of def.
1037 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
1038 function implementation.
1039 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
1040 widen_ssumv8hi): New.
1042 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
1045 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1048 * c-decl.c (add_flexible_array_elts_to_size): New function.
1049 (finish_decl): Use it.
1051 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
1053 * diagnostic.h: Include options.h.
1054 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
1055 dependancies for diagnostic.h.
1056 * Makefile.in (DIAGNOSTIC_H): Add options.h.
1058 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
1060 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
1061 (ssa_ro_call_cache_valid): Ditto.
1062 * tree-ssa-alias.c (sort_tags_by_id): New function.
1063 (init_transitive_clobber_worklist): Ditto.
1064 (add_to_worklist): Ditto.
1065 (mark_aliases_call_clobbered): Ditto.
1066 (compute_tag_properties): Ditto.
1067 (set_initial_properties): Ditto.
1068 (compute_call_clobbered): Ditto.
1069 (compute_may_aliases): Call compute_call_clobbered and grouping.
1070 (compute_flow_sensitive_aliasing): Remove clobbering related code.
1071 (compute_flow_insensitive_aliasing): Grouping now happens in our
1073 (setup_pointers_and_addressables): Remove clobbering related code.
1074 (add_may_alias): Ditto.
1075 (replace_may_alias): Ditto.
1076 (get_nmt_for): Ditto.
1077 (create_global_var):
1078 (is_escape_site): Return an escape_type enumeration.
1079 * tree-flow-inline.h (is_call_clobbered): Global var does not
1080 imply call clobbered.
1081 (mark_call_clobbered): Take a reason for marking this. Remove
1082 marking of globalness, and cache invalidation.
1083 (clear_call_clobbered): Remove cache invalidation code.
1084 * tree-dfa.c (dump_variable): If details is on, dump the reason
1086 * tree-outof-ssa.c (create_temp): Copy escape mask from original
1088 * tree-flow.h (struct ptr_info_def): Add escape mask member.
1089 (struct var_ann_d): Ditto.
1090 (enum escape_type): New.
1091 (mark_call_clobbered): Adjust prototype.
1092 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
1093 are never call clobbered.
1094 Record reasons for escaping.
1095 * tree-ssa-structalias.h (is_escape_site): Update prototype.
1096 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
1097 (ssa_ro_call_cache_valid): Ditto.
1098 (clobbered_v_may_defs): Ditto.
1099 (clobbered_vuses): Ditto.
1100 (ro_call_vuses): Ditto.
1101 (clobber_stats): New.
1102 (init_ssa_operands): Zero out clobber stats.
1103 (fini_ssa_operands): Print out clobber stats.
1104 (get_call_expr_operands): Pass callee fndecl to
1106 (add_call_clobber_ops): Remove use of cache.
1107 Add use of PURE_CONST information.
1108 (add_call_read_ops): Remove use of cache.
1109 Add use of static not_read information.
1111 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
1113 Introduce TLS descriptors for i386 and x86_64.
1114 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
1115 (TARGET_ANY_GNU_TLS): New macro.
1116 (enum tls_dialect): Added TLS_DIALECT_GNU2.
1117 (struct machine_function): Add tls_descriptor_call_expanded_p.
1118 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
1119 (ix86_current_function_calls_tls_descriptor): Likewise.
1120 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
1121 (override_options): Introduce gnu2 tls dialect.
1122 (ix86_frame_pointer_required): Functions containing TLSCALLs are
1124 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
1126 (legitimize_tls_address): Adjust logic for GNU2 TLS.
1127 (ix86_init_machine_status): Initialize new field.
1128 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
1129 (ix86_tls_module_base): New.
1130 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
1131 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
1132 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
1133 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
1134 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
1135 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
1136 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
1137 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
1138 * config/i386/predicates.md (tls_modbase_operand): New.
1139 (tp_or_register_operand): New.
1141 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
1143 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
1144 (look_for_address_of): Ditto.
1145 (ipa_init): Walk the function decls.
1146 (static_execute): Don't set readonly on FUNCTION_DECL's.
1148 2006-01-18 Roger Sayle <roger@eyesopen.com>
1150 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
1151 for shifts where the source and destination registers are different.
1153 2006-01-18 Paul Brook <paul@codesourcery.com>
1155 Merge from csl-arm-branch.
1156 2005-03-14 Julian Brown <julian@codesourcery.com>
1157 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
1158 (aeabi_llsl): Likewise.
1159 (ashrdi3): Likewise.
1160 (aeabi_lasr): Likewise.
1161 (lshrdi3): Likewise.
1162 (aeabi_llsr): Likewise.
1163 2005-03-10 Julian Brown <julian@codesourcery.com>
1164 * config.gcc: Disable shared libgcc for SymbianOS.
1165 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
1167 2006-01-18 DJ Delorie <dj@redhat.com>
1169 * c-pragma.c (handle_pragma_diagnostic): New.
1170 (init_pragma): Register it.
1171 * doc/extend.texi: Document it.
1173 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
1174 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
1175 (diagnostic_context): Add classify_diagnostic[].
1176 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
1177 as errors if they're overridden to DK_WARNING.
1178 (diagnostic_initialize): Initialize classify_diagnostic[].
1179 (diagnostic_set_kind_override): New.
1180 (diagnostic_report_diagnostic): Check for kind changes.
1181 * opts.c (common_handle_option): Take lang_mask. Update callers.
1183 * common.opt (Werror=): New.
1184 * doc/invoke.texi: Document -Werror=*
1186 2006-01-18 Jeff Law <law@redhat.com>
1188 * tree-vrp.c (test_for_singularity): Correct test for new
1189 min limit. Use operand_equal_p rather than pointer equality
1190 for testing if new min/max values are equal.
1192 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
1193 using range information until after propagation and folding.
1195 2006-01-18 Richard Henderson <rth@redhat.com>
1196 Aldy Hernandez <aldyh@redhat.com>
1197 Jakub Jelinek <jakub@redhat.com>
1198 Diego Novillo <dnovillo@redhat.com>
1200 * omp-low.c: New file.
1201 * c-omp.c: New file.
1203 2006-01-18 Richard Henderson <rth@redhat.com>
1204 Jakub Jelinek <jakub@redhat.com>
1205 Diego Novillo <dnovillo@redhat.com>
1207 * doc/invoke.texi: Document -fopenmp.
1208 * tree-dump.h (debug_function): Declare.
1209 * hooks.c (hook_bool_tree_bool_false): New function.
1210 (hook_tree_tree_null): Remove.
1211 (hook_tree_tree_tree_null): New.
1212 * hooks.h: Update to match.
1213 * tree-pretty-print.c (debug_tree_chain): New.
1214 (print_generic_expr): Handle TDF_CHAIN.
1215 (dump_generic_node): Handle BLOCK.
1216 Do not abort with incomplete SWITCH_EXPRs.
1217 Do not dump body of an OpenMP directive if TDF_SLIM is given.
1218 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
1219 print space after directive name.
1220 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
1221 Handle OMP_MASTER and OMP_ORDERED.
1222 Handle printing of OMP_BODY just in one place, goto
1223 dump_omp_body in the rest of OMP_* nodes that have
1225 Don't handle clause nodes here. Update omp statements to
1226 use dump_omp_clauses.
1227 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
1228 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
1229 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
1230 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
1231 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
1232 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
1233 Adjust output for GOMP_PARALLEL.
1234 (dump_omp_clauses): New.
1235 (print_declaration): Dump DECL_VALUE_EXPR.
1236 (op_symbol_1): Split out of op_symbol.
1237 (dumping_stmts): Remove. Update all users.
1238 * cgraph.c (cgraph_analyze_queue): New.
1239 (cgraph_add_new_function): New.
1240 * cgraph.h (cgraph_analyze_queue): Declare.
1241 (cgraph_add_new_function): Declare.
1242 (cgraph_lower_function): Remove.
1243 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
1244 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
1245 and TYPE_P nodes in its default clause.
1246 (empty_body_p): New.
1247 (tree_range_check_failed): New.
1249 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
1250 OMP_CLAUSE_REDUCTION_MERGE,
1251 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
1252 OMP_CLAUSE_PRIVATE_DEBUG,
1253 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
1254 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
1255 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
1256 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
1257 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
1258 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
1259 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
1260 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
1261 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
1262 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
1263 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
1264 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
1265 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
1266 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
1267 (TREE_RANGE_CHECK): New.
1268 (empty_body_p): Declare.
1269 (enum omp_clause_default_kind): New.
1270 (build_string_literal): Declare.
1271 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
1272 (build5_stat, build5): Declare.
1273 * tree-pass.h (TDF_CHAIN): Define.
1274 * tree-pass.h (PROP_gimple_lomp): Define.
1275 (pass_lower_omp): Declare.
1276 * diagnostic.h (debug_tree_chain): Declare.
1277 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
1279 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
1280 * builtins.c (build_string_literal): Make extern.
1281 * gcc.c (include_spec_function): New.
1282 (static_spec_functions): Add it.
1283 (main): Move load of libgomp.spec ...
1284 (LINK_COMMAND_SPEC): ... here.
1285 (link_gomp_spec): New.
1286 (static_specs): Include it.
1287 (LINK_COMMAND_SPEC): Add link_gomp.
1288 (GOMP_SELF_SPECS): New.
1289 (driver_self_specs): Include it.
1290 (switch_matches): Don't mark inline.
1291 (main): Load libgomp.spec.
1292 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
1293 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
1294 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
1295 * tree-gimple.h (enum omp_parallel): Declare.
1296 (determine_parallel_type): Declare.
1297 (omp_firstprivatize_variable): Declare.
1298 (omp_reduction_init): Declare.
1299 (diagnose_omp_structured_block_errors): Declare.
1300 (struct walk_stmt_info): Add want_return_expr.
1301 (struct walk_stmt_info): Add want_bind_expr, want_locations.
1302 (find_omp_clause): Declare.
1303 (insert_field_into_struct): Declare.
1304 (struct walk_stmt_info): Move from tree-nested.c
1305 (walk_stmts): Declare.
1306 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
1308 * cgraphunit.c (cgraph_lower_function): Make static.
1309 (cgraph_finalize_pending_functions): New.
1310 (cgraph_finalize_function): Call it.
1311 (cgraph_finalize_compilation_unit): Likewise.
1312 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
1313 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
1314 (BT_FN_UINT_UINT): New.
1315 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
1316 DEF_FUNCTION_TYPE_VAR_4): Document.
1317 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
1318 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
1319 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
1320 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
1321 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
1322 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
1323 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
1324 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
1325 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
1326 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
1327 into separate files.
1328 (DEF_GOMP_BUILTIN): New.
1329 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
1330 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
1331 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
1332 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
1333 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
1334 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
1335 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
1336 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
1337 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
1338 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
1339 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
1340 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
1341 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
1342 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
1343 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
1344 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
1345 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
1346 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
1347 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
1348 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
1349 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
1350 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
1351 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
1352 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
1353 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
1354 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
1355 * sync-builtins.def: New file, moved from builtins.def.
1356 * omp-builtins.def: New file, moved from builtins.def.
1357 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
1358 * gimple-low.c (lower_function_body): Clear data.
1359 (lower_stmt): Do not handle COMPOUND_EXPR.
1360 Remove call to print_node_brief.
1361 * c-tree.h (c_finish_omp_clauses): New prototype.
1362 (C_DECL_THREADPRIVATE_P): Define.
1363 (lookup_name_no_remap, c_omp_remap_private): Remove
1364 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
1365 (check_for_loop_decls): Update decl.
1366 (lookup_name_no_remap, c_omp_remap_private): Declare.
1367 (build_indirect_ref, build_modify_expr, pushdecl,
1368 pushdecl_top_level): Move to c-common.h.
1369 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
1370 before the switch, but just in the 2 places that need it.
1371 * c-decl.c (diagnose_mismatched_decls): Do not check for
1372 mismatched thread-local attributes when OLDDECL is marked
1373 threadprivate and NEWDECL has no thread-local attributes.
1374 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
1375 (c_gimple_diagnostics_recursively): Rename from
1376 c_warn_unused_result_recursively. Invoke
1377 diagnose_omp_structured_block_errors.
1378 (check_for_loop_decls): Return a singular decl found.
1379 * langhooks.c (lhd_omp_predetermined_sharing): Return
1380 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
1381 (lhd_omp_firstprivatize_type_sizes): New.
1382 (lhd_omp_assignment): New.
1383 (lhd_omp_predetermined_sharing): New.
1384 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
1385 (struct lang_hooks_for_types): Add
1386 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
1387 omp_predetermined_sharing, omp_disregard_value_expr,
1388 omp_private_debug_clause, omp_clause_default_ctor,
1389 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
1390 (c_finish_omp_clauses): New.
1391 (c_finish_bc_stmt): Diagnose break within omp for.
1392 (c_begin_omp_parallel, c_finish_omp_parallel): New.
1393 (build_unary_op): Return error_mark after reporting
1395 (build_modify_expr): Likewise.
1396 * gimplify.c: Include optabs.h and pointer-set.h.
1397 (enum gimplify_omp_var_data): Declare.
1398 (struct gimplify_omp_ctx): Declare.
1399 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
1401 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
1402 (push_gimplify_context, pop_gimplify_context): Allow nesting.
1403 (splay_tree_compare_decl_uid): New.
1404 (new_omp_context): New.
1405 (delete_omp_context): New.
1406 (gimple_add_tmp_var): Call omp_add_variable.
1407 (gimplify_bind_expr): Likewise.
1408 (gimplify_var_or_parm_decl): If omp_notice_variable returned
1409 true, disregard DECL_VALUE_EXPR on the decl if any.
1410 (gimplify_expr_in_ctx): New.
1411 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
1412 omp_add_variable, omp_notice_variable, omp_is_private
1413 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
1414 gimplify_adjust_omp_clauses, gimplify_omp_parallel
1415 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
1416 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
1417 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
1418 gimplify_omp_atomic): New.
1419 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1420 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1421 OMP_CRITICAL and OMP_ATOMIC.
1422 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
1423 * c-pragma.h (enum pragma_kind): Add
1424 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
1425 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
1426 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
1427 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
1428 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
1429 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
1430 PRAGMA_OMP_THREADPRIVATE.
1431 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1432 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1433 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
1434 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
1435 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
1436 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
1437 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
1438 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
1439 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
1440 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
1441 * tree-ssa-dce.c (find_control_dependence): Do not assume that
1442 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
1443 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
1445 (struct nesting_info): Add field_map,
1446 suppress_expansion, debug_var_chain.
1447 (create_nesting_tree): Initialize them.
1448 (lookup_field_for_decl): Use field_map.
1449 (get_nonlocal_debug_decl, get_local_debug_decl): New.
1450 (convert_local_omp_clauses): New.
1451 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
1452 (walk_body): Split out of walk_function.
1453 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
1454 (convert_nonlocal_reference): Handle omp statements.
1455 (convert_local_reference): Likewise.
1456 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
1457 (unnest_nesting_tree): New.
1458 (lower_nested_functions): Call it.
1459 (insert_field_into_struct): Make extern.
1460 (struct walk_stmt_info): Move to tree-gimple.h.
1461 (walk_stmts): Make extern.
1462 * omp-builtins.def: New file.
1463 * tree-iterator.c (expr_only): Clarify comment.
1464 * c-common.h (pushdecl_top_level, pushdecl,
1465 build_modify_expr, build_indirect_ref,
1466 c_finish_omp_master, c_finish_omp_critical,
1467 c_finish_omp_ordered, c_finish_omp_barrier,
1468 c_finish_omp_atomic, c_finish_omp_flush,
1469 c_finish_omp_for, c_split_parallel_clauses,
1470 omp_clause_default_kind, c_omp_sharing_predetermined,
1471 c_omp_remap_decl): Declare.
1472 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
1473 (OBJS-common): Add omp-low.o.
1474 (c-omp.o, omp-low.o): Add.
1475 (gimplify.o): Add dependency on $(OPTABS_H).
1476 (GTFILES): Add omp-low.c.
1477 (gt-stringpool.h): Add.
1478 * tree-cfg.c (set_bb_for_stmt): Do not update the
1479 block-to-labels map if we are currently expanding to RTL.
1480 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
1482 Handle IDENTIFIER_NODE.
1483 (tree_verify_flow_info): Do not ICE when emitting error
1484 messages about invalid labels.
1485 (dump_function_to_file): Reset CFUN before emitting the body
1487 (debug_function): New.
1488 * passes.c (init_optimization_passes): Schedule
1490 * langhooks-def.h (lhd_omp_predetermined_sharing,
1491 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
1493 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
1494 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
1495 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
1496 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
1497 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
1498 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
1499 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
1500 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
1501 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
1502 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
1503 (LANG_HOOK_DECLS): Use them.
1505 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
1506 Richard Henderson <rth@redhat.com>
1507 Jakub Jelinek <jakub@redhat.com>
1508 Diego Novillo <dnovillo@redhat.com>
1510 * c-parser.c (pragma_omp_clause): Define.
1511 (c_parser_declaration_or_fndef): Document OpenMP syntax.
1512 (c_parser_compound_statement): Likewise.
1513 (c_parser_statement): Likewise.
1514 (c_parser_pragma): Handle omp pragmas.
1515 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
1516 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
1517 (c_parser_omp_clause_name, check_no_duplicate_clause,
1518 c_parser_omp_variable_list,
1519 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
1520 c_parser_omp_clause_copyprivate,
1521 c_parser_omp_clause_default,
1522 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
1523 c_parser_omp_clause_lastprivate,
1524 c_parser_omp_clause_nowait,
1525 c_parser_omp_clause_num_threads,
1526 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
1527 c_parser_omp_clause_reduction,
1528 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
1529 c_parser_omp_all_clauses, c_parser_omp_structured_block,
1530 c_parser_omp_atomic, c_parser_omp_barrier,
1531 c_parser_omp_critical, c_parser_omp_flush,
1532 c_parser_omp_for_loop, c_parser_omp_for,
1533 c_parser_omp_master, c_parser_omp_ordered,
1534 c_parser_omp_sections_scope, c_parser_omp_sections,
1535 c_parser_omp_parallel, c_parser_omp_single,
1536 c_parser_omp_construct, c_parser_omp_threadprivate): New.
1537 * c-pragma.c (init_pragma): Do omp pragma registration here.
1538 * c.opt (fopenmp): New flag.
1540 2006-01-18 Eric Christopher <echristo@apple.com>
1542 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
1543 * config/darwin.h (GOMP_SELF_SPECS): Define.
1545 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1547 * rtl.h: Remove the prototype for reg_alloc.
1549 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1552 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
1553 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
1554 sjlj and dwarf2 exception handling.
1555 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
1556 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
1557 * pa/pa.c (function_value): Treat complex and vector types as
1559 (function_arg): Likewise. Only pass scalar floats in the floating
1560 point argument registers.
1561 * pa/t-slibgcc-dwarf-ver: New file.
1562 * pa/t-slibgcc-sjlj-ver: New file.
1563 * pa/t-slibgcc-elf-ver: Delete file.
1565 2006-01-19 Alan Modra <amodra@bigpond.net.au>
1567 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
1568 unlikely_test_section_p test.
1570 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1572 * mode-switching.c (optimize_mode_switching): Make it static.
1573 * basic-block.h: Remove the prototype for
1574 optimize_mode_switching.
1576 * modulo-sched.c (sms_schedule): Make it static.
1577 * rtl.h: Remove the prototype for sms_schedule.
1579 * postreload-gcse.c (gcse_after_reload_main): Make it static.
1580 * rtl.h: Remove the prototype for gcse_after_reload_main.
1582 * reg-stack.c (reg_to_stack): Make it static.
1583 * rtl.h: Remove the prototype for reg_to_stack.
1585 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
1587 * rtl.h: Remove the prototypes for regrename_optimize and
1588 copyprop_hardreg_forward.
1590 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
1592 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
1593 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
1594 Test against the appropriate null constant for the mode.
1595 If 'fixup_overlap' is true, swap the operands if they overlap.
1596 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
1597 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
1598 alpha_split_tmode_pair and adjust for above change.
1599 * config/alpha/alpha.md (movtf_internal): Adjust call to
1600 alpha_split_tfmode_pair and rely on it to swap the operands.
1601 (movti_internal): New insn and post-reload splitter.
1602 (movti): New expander.
1604 2006-01-18 Philippe De Muyter <phdm@macqel.be>
1606 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
1609 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1611 * rtlanal.c (global_reg_mentioned_p_1,
1612 global_reg_mentioned_p): Remove.
1613 * rtl.h: Remove the prototype for global_reg_mentioned_p.
1615 * flow.c (initialize_uninitialized_subregs): Make it static.
1616 * rtl.h: Remove the prototype for
1617 initialize_uninitialized_subregs.
1619 * function.c (instantiate_virtual_regs): Make it static.
1620 * function.h: Remove the prototype for
1621 instantiate_virtual_regs.
1623 * regmove.c (regmove_optimize, combine_stack_adjustments):
1625 * rtl.h: Remove the prototypes for regmove_optimize and
1626 combine_stack_adjustments.
1628 2006-01-17 Roger Sayle <roger@eyesopen.com>
1630 * config/i386/i386.c (COSTS_N_BYTES): New macro.
1631 (size_cost): Encode costs in bytes so that a reg-reg addition is
1632 equivalent to COSTS_N_INSNS(1).
1633 (override_options): Use the size_cost.branch_cost as the default
1634 ix86_branch_cost when optimizing for size.
1636 2006-01-18 Ben Elliston <bje@au.ibm.com>
1638 * Makefile.in (D32PBIT_FUNCS): New.
1639 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
1640 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
1641 D64PBIT_FUNCS and D128PBIT_FUNCS.
1642 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
1643 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
1645 (decnumber_dep): Define.
1646 * doc/libgcc.texi (Decimal float library routines): New node.
1647 * config/dfp-bit.h, config/dfp-bit.c: New files.
1649 2006-01-18 Ben Elliston <bje@au.ibm.com>
1651 * expr.c (emit_move_change_mode): Always adjust addresses, not
1652 just during reload. Copy replacements only during reload.
1653 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
1654 emit_move_via_integer.
1656 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
1658 * Makefile.in (check-%, check-consistency): Use $${srcdir}
1659 instead of $(srcdir) and ${srcdir}.
1661 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
1665 * arm.h (struct machine_function): Add pic_reg.
1666 * arm.c (arm_pic_register): Make unsigned.
1667 (arm_override_options): Only set arm_pic_register if
1668 TARGET_SINGLE_PIC_BASE.
1669 (use_return_insn): Only test for a pic register if it is fixed.
1670 (arm_compute_save_reg0_reg12_mask): Likewise.
1671 (thumb_compute_save_reg_mask): Likewise.
1672 (legitimate_pic_operand): Factor out some known invariants.
1673 (legitimize_pic_address): If we don't have a fixed pic register,
1674 then set up a pseudo in the function entry sequence. Handle the
1675 pic base being in a pseudo.
1676 (arm_load_pic_register): Handle the pic register being in a pseudo.
1677 (arm_expand_prologue): Only set up the pic register if it is fixed.
1678 (thumb_expand_prologue): Likewise.
1679 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
1680 (pic_load_addr_based_insn): Likewise.
1681 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
1684 2006-01-18 Ben Elliston <bje@au.ibm.com>
1686 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
1687 decimal float modes for all floating point registers.
1689 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
1690 match_code "mem" with match_test "macho_lo_sum_memory_operand".
1692 2006-01-17 Jakub Jelinek <jakub@redhat.com>
1695 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
1696 even when the pointer is not NULL.
1698 2006-01-16 Ian Lance Taylor <ian@airs.com>
1700 * common.opt (ftoplevel-reorder): New option.
1701 * cgraph.c (cgraph_asm_nodes): New global variable.
1702 (cgraph_asm_last_node): New static variable.
1703 (cgraph_order): New global variable.
1704 (cgraph_create_node): Set new order field.
1705 (cgraph_varpool_node): Likewise.
1706 (decide_is_variable_needed): Return true if not
1707 flag_toplevel_reorder.
1708 (cgraph_add_asm_node): New function.
1709 * cgraph.h (struct cgraph_node): Add order field.
1710 (struct cgraph_varpool_node): Add order field.
1711 (struct cgraph_asm_node): Define.
1712 (cgraph_asm_nodes, cgraph_order): Declare.
1713 (cgraph_add_asm_node): Declare.
1714 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
1716 (cgraph_varpool_assemble_pending_decls): Call it.
1717 (cgraph_output_pending_asms): New static function.
1718 (cgraph_finalize_compilation_unit): Call it.
1719 (struct cgraph_order_sort): Define.
1720 (cgraph_output_in_order): New static function.
1721 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
1722 !flag_toplevel_reorder case.
1723 * c-parser.c: Include "cgraph.h".
1724 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
1726 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
1727 than -fno-unit-at-a-time.
1728 * doc/invoke.texi (Option Summary): Mention
1729 -fno-toplevel-reorder.
1730 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
1731 -funit-at-a-time documentation.
1733 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
1734 Kazu Hirata <kazu@codesourcery.com>
1736 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
1738 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
1740 * Makefile.in (FUNCTION_H): New. Use it instead of
1741 function.h throughout the file.
1742 * function.h: Include tree.h.
1744 2006-01-17 Ben Elliston <bje@au.ibm.com>
1746 * recog.c: Separate some functions with whitespace.
1748 2006-01-16 Richard Henderson <rth@redhat.com>
1750 Merge from gomp branch:
1751 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
1752 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
1753 and rename from struct inline_data. Rename callee* to dst*;
1754 caller* to src*; add copy_decl hook, transform_call_graph_edges,
1755 transform_new_cfg, transform_return_to_modify, and
1756 transform_lang_insert_block flags; remove cloning_p, versioning_p,
1758 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
1759 (copy_decl_for_dup): Remove.
1760 * tree-inline.c (struct inline_data): Move to header.
1761 (insert_decl_map): Export.
1762 (remap_decl): Update for member name changes. Use copy_decl hook.
1763 Allow for replacement to be a non-decl. Remove dead code.
1764 (remap_type_1): Check for existing mapping.
1765 (remap_type): Export.
1766 (remap_decls): Update for member name changes.
1767 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
1768 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
1769 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
1770 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
1771 (tree_function_versioning, build_duplicate_type): Likewise.
1772 (copy_body_r): Likewise. Export.
1773 (copy_decl_for_dup): Split into ...
1774 (copy_decl_for_dup_finish, copy_decl_to_var,
1775 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
1776 (replace_ref_tree, inlining_p): Remove.
1778 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1780 * ifcvt.c (if_convert): Make it static.
1781 * rtl.h: Remove the prototype for if_convert.
1783 * local-alloc.c (local_alloc): Make it static.
1784 * rtl.h: Remove the prototype for local_alloc.
1786 * loop.c (loop_optimize): Make it static.
1787 * cfgloop.h: Remove the prototype for loop_optimize.
1790 2006-01-16 DJ Delorie <dj@redhat.com>
1792 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
1795 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1797 * pa.md: Disparage copies between general and floating-point registers
1798 in 32-bit move patterns.
1800 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
1803 * Makefile.in (check-%): Depend on site.exp instead of
1804 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
1807 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1809 * global.c (global_alloc): Make it static.
1810 * rtl.h: Remove the prototype for global_alloc.
1812 2006-01-16 Richard Guenther <rguenther@suse.de>
1814 * tree-ssa-alias.c (struct used_part): Add write_only field.
1815 (get_or_create_used_part_for): Initialize it to true.
1816 (create_overlap_variables_for): Don't create structure variables
1817 for structures that only are written to.
1818 (find_used_portions): Handle MODIFY_EXPR to track whether a
1819 structure is only written to.
1821 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1823 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
1825 * basic-block.h: Remove the prototype for
1826 partition_hot_cold_basic_blocks.
1828 2006-01-16 Rafael Ãvila de EspÃÂndola <rafael.espindola@gmail.com>
1830 * cppspec.c (lang_specific_spec_functions): Remove.
1831 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
1832 * gcc.h (lang_specific_spec_functions): Remove.
1833 * gccspec.c (lang_specific_spec_functions): Remove.
1835 2005-01-16 Paolo Bonzini <bonzini@gnu.org>
1837 * combine.c (record_value_for_reg): Invalidate registers
1839 (record_dead_and_set_regs_1): Likewise, by passing them to
1840 record_value_for_reg.
1841 (record_dead_and_set_regs): Invalidate stores made by a
1842 call. We do not combine across a call, but we still
1843 relied on equivalences.
1845 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
1847 * tree-vrp.c (extract_range_from_binary_expr): Cope with
1848 vrp_int_const_binop returning non-constant nodes.
1850 2006-01-16 Paul Brook <paul@codesourcery.com>
1852 * config/m68k/m68k.c (output_move_const_into_data_reg):
1853 Output correct mnemonic for mvz and mvs.
1855 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
1857 * rtl-factoring.c: Add sequence abstraction algorithm.
1858 * cfgcleanup.c (outgoing_edges_match): Extra checks.
1859 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
1861 (block_has_preserve_label): New function.
1862 * common.opt: Register new pass.
1863 * Makefile.in: Ditto.
1865 * timevar.def: Ditto.
1866 * tree-pass.h: Ditto.
1867 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
1868 * rtl.h (make_jump_insn_raw): Add forward decl.
1869 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
1871 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
1872 Roger Sayle <roger@eyesopen.com>
1874 * fold-const.c (fold_minmax): New static function.
1875 (fold_binary) <MIN_EXPR>: Call it.
1876 <MAX_EXPR>: Likewise.
1877 * stor-layout.c (place_field): Use DECL_SIZE consistently
1878 in the computation of the new record size.
1880 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1882 * cse.c (cse_condition_code_reg): Make it static.
1883 * rtl.h: Remove the prototype for cse_condition_code_reg.
1885 * combine.c (combine_instructions): Make it static.
1886 * rtl.h: Remove the prototype for combine_instructions.
1888 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1891 * tree.c (get_file_function_name_long): Concatenate the first global
1892 object name with a string derived from the input filename of the object
1895 2006-01-16 Ben Elliston <bje@au.ibm.com>
1897 * config/i386/winnt-stubs.c: Update FSF address.
1898 * config/xtensa/ieee754-df.S: Ditto.
1899 * config/xtensa/ieee754-sf.S: Ditto.
1901 2006-01-14 Ian Lance Taylor <ian@airs.com>
1903 * ifcvt.c (noce_init_if_info): New static function, broken out of
1904 noce_process_if_block.
1905 (noce_process_if_block): Call noce_init_if_info.
1906 (check_cond_move_block): New static function.
1907 (cond_move_process_if_block): New static function.
1908 (process_if_block): Call cond_move_process_if_block.
1910 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
1912 * cselib.c (hash_table): Rename to cselib_hash_table.
1913 (cselib_clear_table, discard_useless_values,
1914 remove_useless_values, cselib_lookup_mem, cselib_lookup,
1915 cselib_init, cselib_finish): Adjust uses of hash_table.
1917 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
1919 PR tree-optimization/25485
1920 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
1921 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
1922 is known to be false and true, respectively.
1924 2006-01-14 Richard Guenther <rguenther@suse.de>
1926 PR tree-optimization/22548
1927 PR tree-optimization/22555
1928 PR tree-optimization/22501
1929 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
1930 * params.def (salias-max-array-elements): New parameter.
1931 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
1932 * doc/invoke.texi (salias-max-array-elements): Document.
1933 * tree-flow-inline.h (var_can_have_subvars): We also handle
1935 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
1937 * tree-ssa-structalias.c (params.h): Include.
1938 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
1939 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
1940 (get_constraint_for): For ADDR_EXPR operating on something
1941 containing an ARRAY_REF, add all subvars to the solution.
1942 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
1943 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
1944 for creating MUST_DEFs.
1945 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
1947 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
1949 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
1951 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
1952 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1953 number_of_iterations_le): New functions.
1954 (number_of_iterations_special): Removed.
1955 (number_of_iterations_exit): Do not use number_of_iterations_special.
1956 * tree.c (unsigned_type_for): Always return integer type.
1958 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
1959 Richard Guenther <rguenther@suse.de>
1961 PR rtl-optimization/24257
1962 * gcse.c (find_moveable_store): Only consider a store movable
1963 when the SET_SRC of the insn can be assigned to a register.
1965 2006-01-14 Ian Lance Taylor <ian@airs.com>
1967 * tree.c (tree_not_class_check_failed): New function.
1968 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
1969 (tree_not_class_check_failed): Declare.
1971 2006-01-13 Ian Lance Taylor <ian@airs.com>
1973 * reload1.c (do_output_reload): Add assertion rejecting a
1976 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
1978 * combine.c (struct reg_stat): Add new fields truncation_label and
1980 (record_value_for_reg): Reset truncated_to_mode.
1981 (record_truncated_value): New function.
1982 (check_promoted_subreg): Call it. Rename to check_conversions.
1983 (combine_instructions): Rename check_promoted_subreg to
1985 (reg_truncated_to_mode): New function.
1986 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
1987 (gen_lowpart_or_truncate): New function.
1988 (force_to_mode): Use it instead of gen_lowpart.
1990 2006-01-13 Diego Novillo <dnovillo@redhat.com>
1992 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
1993 VAR is a tag, not its type tag.
1995 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
1997 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
1998 alternatives to match style of other entries.
1999 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
2001 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
2003 PR tree-optimization/25771
2004 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
2007 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
2010 * tree-inline.c (declare_return_variable): If the return variable
2011 was marked as a non gimple complex, set the return slot variable
2012 to be a non gimple comple variable.
2014 2006-01-13 Richard Guenther <rguenther@suse.de>
2016 * builtins.c (expand_builtin_sincos): New function.
2017 (expand_builtin_mathfn_3): Remove dead code, sin and cos
2019 (expand_builtin): Expand sincos using expand_builtin_sincos.
2021 2006-01-12 DJ Delorie <dj@redhat.com>
2023 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
2024 shift counts, separate SI shifts for m32c vs m16c, pass shift type
2025 so that constant shifts can be split.
2026 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
2027 (m32c_valid_pointer_mode): Make static.
2028 (shift_gen_func_for): New.
2029 (m32c_prepare_shift): Use it. Split large const shifts into
2031 * config/m32c/predicates.md (shiftcount_operand): Allow more
2033 (longshiftcount_operand): New.
2034 * doc/md.texi (Machine Constraints): Document In6.
2036 2006-01-13 Ben Elliston <bje@au.ibm.com>
2038 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
2039 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
2042 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
2044 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
2045 to try to avoid clobbering pieces of structures when we know
2046 something about the whole structure.
2047 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
2049 2006-01-13 Ben Elliston <bje@au.ibm.com>
2051 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
2052 return in memory, as this is no limitation is no longer present.
2054 2006-01-12 DJ Delorie <dj@redhat.com>
2056 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
2057 mova with fb, and for fb+0 -> An.
2059 * config/m32c/mov.md (peephole2): Fix enabling logic.
2061 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2062 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
2063 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
2064 FINI_ARRAY_SECTION_ASM_OP): Define.
2066 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
2068 (m32c_legitimize_reload_address): New logic to reload FB to An.
2069 (m32c_output_reg_push): Add newline.
2070 (m32c_output_reg_pop): Likewise.
2072 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
2074 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
2076 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
2078 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2080 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2082 * config/sh/predicates.md (sh_rep_vec): Add parallel to
2085 2006-01-11 Ben Elliston <bje@au.ibm.com>
2087 * rtlanal.c (find_reg_note): Assert insn is not null.
2089 2005-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2091 * df-scan.c (df_hard_reg_init): Move declaration of i outside
2094 2006-01-11 Jeff Law <law@redhat.com>
2096 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
2098 (mark_threaded_blocks, register_jump_thread): New functions.
2099 (thread_through_all_blocks): Remove unwanted argument. No
2100 longer rely on e->aux to communicate thread target info.
2101 Call mark_threaded_blocks. Release the threaded_blocks
2102 bitmap and threaded_edges vector when complete.
2103 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
2104 (threaded_blocks): Remove.
2105 (tree_ssa_dominator_optimize): Remove initialization and
2106 finalization of threaded_blocks. Simplify call to
2107 thread_through_all_blocks.
2108 (thread_across_edge): Call register_jump_thread rather than
2109 storing thread information into e->aux.
2110 (free_all_edge_infos): Simplify now that e->aux is no longer
2111 used to communicate with thread_through_all_blocks.
2112 * tree-flow.h (thread_through_all_blocks): Update prototype.
2113 (register_jump_thread): Prototype.
2115 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2117 * df-core.c (df_compact_blocks, df_bb_replace): Use
2118 SET_BASIC_BLOCK instead of BASIC_BLOCK.
2120 2006-01-11 Richard Guenther <rguenther@suse.de>
2122 PR tree-optimization/25734
2123 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2124 stop propagation after successful propagation to the LHS.
2126 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2128 * basic-block.h (control_flow_graph): Change the type of
2129 x_basic_block_info to VEC(basic_block,gc) *.
2130 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
2132 (SET_BASIC_BLOCK): New.
2133 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
2134 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
2135 * cfgbuild.c (find_basic_blocks): Likewise.
2136 * cfglayout.c (fixup_reorder_chain): Likewise.
2137 * cfgrtl.c (create_basic_block_structure,
2138 rtl_create_basic_block): Likewise.
2139 * ifcvt.c (find_if_case_1): Likewise.
2140 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
2143 2005-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2145 * Makefile.in: Removed rotted odf.c entry.
2147 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
2150 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
2151 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
2152 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
2153 output pattern modifier, not %e.
2154 * config/cris/cris.c (cris_op_str): Update comment about pattern
2156 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
2157 before falling through into...
2158 <case 'E'>: Redefined from old 'e' case.
2160 2006-01-11 Jan Hubicka <jh@suse.cz>
2163 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
2165 2006-01-11 Jan Hubicka <jh@suse.cz>
2167 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
2168 * i386.c (x86_decompose_lea): Kill.
2169 (ix86_rtx_costs): Kill.
2171 2006-01-11 Jan Hubicka <jh@suse.cz>
2173 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
2174 * cgraph.h (cgraph_node): Add inline_decl.
2175 (cgraph_insert_node_to_hashtable): Declare.
2176 (save_inline_function_body): Declare.
2177 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
2179 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
2180 (cgraph_function_versioning): Update call of tree_function_versioning.
2181 (save_inline_function_body): New function.
2182 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
2183 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
2184 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
2185 (cgraph_default_inline_p): Likewise.
2186 (cgraph_decide_inlining_incrementally): Likewise.
2187 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
2188 (copy_bb): Kill saving; do updating of clones.
2189 (copy_cfg_body): Kill saving.
2190 (initialize_inlined-parameters): Likewise.
2191 (expand_call_inline): Likewise.
2193 (tree_function_versioning): New parameter "update_clones".
2194 (inlining_p): Kill saving.
2195 * tree-inline.h (tree_function_versioning): Update prototype.
2196 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
2199 2006-01-11 Ian Lance Taylor <ian@airs.com>
2201 * combine.c (struct undo): Remove is_int. Enumify types of undos.
2202 Allow undoing set of machine mode.
2203 (do_SUBST): Use enums instead of is_int.
2204 (do_SUBST_MODE): New function.
2205 (SUBST_MODE): New macro.
2206 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
2207 reg and trying to replace reg_regno_rtx with a new register.
2208 (undo_all): Use new enums, handle undoing a PUT_MODE change.
2209 (simplify_set): Use SUBST_MODE.
2210 (distribute_notes): Remove code that tried to update reg notes
2211 for regno_reg_rtx changes.
2213 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
2215 PR tree-optimization/23109
2216 PR tree-optimization/23948
2217 PR tree-optimization/24123
2219 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
2220 * tree-cfg.c (single_noncomplex_succ): New.
2221 * tree-flow.h (single_noncomplex_succ): Declare it.
2222 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2223 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2224 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
2225 insert_bb, register_division_in, insert_reciprocals,
2226 replace_reciprocal, free_bb): New.
2227 (execute_cse_reciprocals_1): Rewritten.
2228 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
2229 Do not commit any edge insertion. Always compute dominators and
2230 create the allocation pool.
2231 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
2232 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
2233 * targhooks.c (default_min_divistions_for_recip_mul): New.
2234 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
2235 * passes.c (init_optimization_passes): Run recip after tree loop
2237 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
2239 2005-01-11 Danny Berlin <dberlin@dberlin.org>
2240 Kenneth Zadeck <zadeck@naturalbridge.com>
2242 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
2243 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
2244 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
2245 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
2246 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
2247 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
2248 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
2249 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
2250 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
2251 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
2252 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
2253 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
2254 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
2255 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
2256 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
2257 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
2258 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
2259 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
2260 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
2261 DF_SCAN_POST_ALLOC): New macros.
2262 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
2263 df_free_bb_function, df_local_compute_function, df_init_function,
2264 df_dataflow_function, df_confluence_function_0,
2265 df_confluence_function_n, df_transfer_function,
2266 df_finalizer_function, df_free_function, df_dump_problem_function,
2267 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
2268 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
2269 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
2270 df_urec_bb_info, ) New types.
2271 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
2273 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
2274 df_analyze_simple_change_some_blocks,
2275 df_analyze_simple_change_one_block, df_compact_blocks,
2276 df_bb_replace, df_bb_regno_last_use_find,
2277 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
2278 df_insn_regno_def_p, df_find_def, df_find_use,
2279 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
2280 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
2281 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
2282 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
2283 debug_df_chain, df_get_dependent_problem, df_chain_create,
2284 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
2285 df_grow_bb_info, df_chain_dump, df_print_bb_index,
2286 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
2287 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
2288 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
2289 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
2290 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
2291 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
2292 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
2293 df_ref_remove, df_insn_refs_delete, df_refs_delete,
2294 df_reorganize_refs, df_set_state, df_hard_reg_init,
2295 df_read_modify_subreg_p) New public functions.
2296 * df-core.c: The core dataflow solver and glue routines for rtl
2298 (df_init, df_add_problem, df_set_blocks, df_finish,
2299 df_hybrid_search_forward, df_hybrid_search_backward,
2300 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
2301 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
2302 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
2303 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
2304 df_reg_defined, df_find_use, df_reg_used, df_dump,
2305 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
2306 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
2307 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
2308 debug_df_useno, reset_df_after_reload): New functions.
2309 * df-scan.c: The scanning fuctions, once in df.c, completely
2310 rewritten so that they now fully model the functionality of
2311 register usage at the backend.
2312 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
2313 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
2314 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
2315 df_grow_insn_info, df_rescan_blocks, df_ref_create,
2316 df_get_artificial_defs, df_get_artificial_uses,
2317 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
2318 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
2319 df_refs_delete, df_reorganize_refs, df_set_state,
2320 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
2321 df_def_record_1, df_defs_record, df_uses_record,
2322 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
2323 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
2324 df_record_exit_block_uses, df_hard_reg_init): New functions.
2326 * df-problems.c: Seven concrete dataflow problems that use the
2327 scanning in df-scan.c and are solved by the engine in df-core.c.
2328 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
2329 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
2330 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
2331 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
2332 df_ru_free_bb_info, df_ru_alloc,
2333 df_ru_bb_local_compute_process_def,
2334 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
2335 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
2336 df_ru_transfer_function, df_ru_free, df_ru_dump,
2337 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
2338 df_rd_free_bb_info, df_rd_alloc,
2339 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
2340 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
2341 df_rd_transfer_function, df_rd_free, df_rd_dump,
2342 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
2343 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
2344 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
2345 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
2346 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
2347 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
2348 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
2349 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
2350 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
2351 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
2352 df_urec_mark_reg_change, df_urec_check_earlyclobber,
2353 df_urec_mark_reg_use_for_earlyclobber,
2354 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
2355 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
2356 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
2357 df_urec_dump, df_urec_add_problem, df_chain_alloc,
2358 df_chain_create_bb_process_use, df_chain_create_bb,
2359 df_chain_finalize, df_chain_free, df_chains_dump,
2360 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
2361 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
2362 df_reg_lifetime): New functions.
2363 * df.c: Deleted file.
2364 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
2365 consistent with new df api.
2366 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
2367 rest_of_handle_sms): Ditto.
2368 * web.c (unionfind_union, union_defs, entry_register, web_main):
2370 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
2371 invariant_expr_equal_p, find_defs, check_dependencies,
2372 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
2373 free_inv_motion_data, move_loop_invariants): Ditto.
2374 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
2375 Update dependencies.
2376 (odf.c): Added defective entry that was deleted later in day.
2377 * sched-deps.c (sched_analyze_1): Ditto.
2379 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
2381 * tree-ssa-operands.c (get_expr_operands): Record addressable
2382 variables directly. Do not call add_stmt_operands for CONST_DECLs
2384 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
2385 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
2387 2006-01-11 Ben Elliston <bje@au.ibm.com>
2389 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
2390 function returns true in the positive case.
2392 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2395 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
2396 for SI, DI, SF and DF modes. Add alternatives to copy between
2397 general and floating point registers to the 32-bit patterns.
2398 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
2399 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
2400 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
2401 generating 64-bit code.
2402 * config/pa/pa.c (output_move_double): Handle copies between general
2403 and floating registers.
2405 2006-01-10 Stuart Hastings <stuart@apple.com>
2407 * config/i386/i386.md (set_got): Update.
2408 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
2409 (builtin_setjmp_receiver): Mach-O support.
2410 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
2411 (GOT_SYMBOL_NAME): Define.
2412 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
2413 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
2414 * config/i386/i386.c (override_options): Revise for Darwin.
2415 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
2416 support. (darwin_x86_file_end): New. (output_set_got): Add label
2417 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
2418 * config/i386/i386-protos.h (output_set_got): Likewise.
2419 * config/darwin.c (machopic_legitimize_pic_address): Update
2422 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
2424 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
2425 when MODE isn't BLKmode.
2427 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2429 PR rtl-optimization/25367
2430 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
2432 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
2435 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
2436 for a negative bound.
2438 2006-01-10 Richard Guenther <rguenther@suse.de>
2440 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2441 Never override with anything constraint.
2443 2006-01-10 Jan Beulich <jbeulich@novell.com>
2445 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
2446 256 bits when optimize_size.
2448 2006-01-10 Jan Beulich <jbeulich@novell.com>
2450 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
2452 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
2453 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
2456 2006-01-10 Ben Elliston <bje@au.ibm.com>
2458 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
2460 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
2461 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2462 (USE_FP_FOR_ARG): Reject decimal float modes.
2463 (function_arg_advance): Likewise.
2464 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
2465 (rs6000_handle_altivec_attribute): Do not permit decimal floating
2466 point types in AltiVec vectors.
2467 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
2468 (rs6000_libcall_value): Likewise.
2470 2006-01-09 Bob Wilson <bob.wilson@acm.org>
2472 * config/xtensa/ieee754-df.S: New file.
2473 * config/xtensa/ieee754-sf.S: New file.
2474 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
2475 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
2476 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
2478 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
2480 * config/sh/predicates.md (binary_float_operator,
2481 binary_logical_operator, commutative_float_operator,
2482 equality_comparison_operator, greater_comparison_operator,
2483 less_comparison_operator, logical_operator,
2484 noncommutative_float_operator, shift_operator,
2485 symbol_ref_operand, unary_float_operator): Remove redundant
2488 2006-01-09 Jeff Law <law@redhat.com>
2490 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
2491 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
2492 now unused arguments. Callers updated.
2493 (eliminate_redundant_computations): Remove now unused arguments,
2495 (local_fold): Remove, no longer used.
2496 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
2498 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
2499 (simplify_cond): New function.
2500 (forward_propagate_into_cond): Call simplify_cond.
2502 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
2504 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
2505 (*vec_extractv2di_1_sse): New.
2507 2006-01-09 Ben Elliston <bje@au.ibm.com>
2509 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
2511 2006-01-08 Richard Guenther <rguenther@suse.de>
2513 * tree-ssa-structalias.c (get_constraint_for): Remove
2515 (get_constraint_for_component_ref): Likewise.
2516 (do_deref): Likewise.
2517 (get_constraint_for): Likewise.
2518 (do_structure_copy): Likewise.
2519 (handle_ptr_arith): Likewise.
2520 (find_func_aliases): Likewise. Remove unused need_anyoffset
2523 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
2524 Kaz Kojima <kkojima@gcc.gnu.org>
2526 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
2527 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
2528 (EXTRA_CONSTRAINT_C16): Remove.
2529 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
2530 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
2531 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
2532 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
2533 constants of SHmedia. Handle nested constant expressions of
2535 (andcosts): Fix the costs for SHmedia constants.
2536 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
2537 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
2538 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
2539 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
2540 (movv4hi_i, movv2si_i): Likewise.
2541 (movsi_const): Adjust the second operand of ior so to match with
2543 (movdi_const, movdi_const_32bit): Likewise.
2544 (movdi_const_16bit+1): Don't sign-extend LOW.
2545 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
2547 (*double_shori): Fix the split condition. Use GEN_INT instead
2548 of get_int_mode calls. Mask lower 16-bit of the argument of
2550 (sym2GOTPLT): Remove.
2551 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
2553 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
2554 instead of EXTRA_CONSTRAINT_C16.
2556 2006-01-07 Ian Lance Taylor <ian@airs.com>
2557 David Edelsohn <edelsohn@gnu.org>
2559 PR rtl-optimization/25662
2560 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
2561 for constant operands instead of simplify_gen_binary.
2562 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
2563 after trying simplify_binary_operation
2565 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
2567 * tree.c (iterative_hash_expr): Hash decls based on UID.
2569 2006-01-06 Eric Christopher <echristo@apple.com>
2571 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
2572 (TARGET_UNWIND_EMIT): Fix spelling.
2573 * target.h (gcc_target): Add except_table_label.
2574 * except.c (output_function_exception_table): Use.
2575 * varasm.c (default_emit_except_table_label): New.
2576 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
2578 (asm_out): Add here.
2579 * output.h (default_emit_except_table_label): Prototype.
2580 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
2581 * config/darwin.c (darwin_emit_except_table_label): Define.
2582 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
2584 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
2586 PR tree-optimization/18527
2587 * tree-ssa-loop-niter.c (number_of_iterations_cond,
2588 number_of_iterations_special, number_of_iterations_exit):
2589 Move base and step of an iv to a single structure. Add
2590 no_overflow flag, and use it in # of iterations analysis.
2591 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
2592 folded_casts argument.
2593 (simple_iv): Pass base and step in a structure. Set no_overflow
2595 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
2596 Evaluate expensiveness of computing # of iterations instead of
2597 the final expression.
2598 * tree-scalar-evolution.h (affine_iv): New structure.
2599 (simple_iv): Declaration changed.
2600 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
2601 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
2602 find_givs_in_stmt): Changed due to simple_iv change.
2604 2006-01-06 Jeff Law <law@redhat.com>
2607 * tree-cfg.c (bsi_replace): Rename final argument from
2608 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
2609 change (stmt -> orig_stmt).
2610 * tree-eh.c (verify_eh_throw_stmt_node): New function.
2611 (bsi_remove): Add new argument. Remove EH information
2613 (verify_eh_throw_table_statements): New function.
2614 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
2616 * tree-optimize.c (execute_free_cfg_annotations): Verify
2617 the EH throw statement table after removing annotations.
2618 * except.h (verify_eh_throw_table_statements): Prototype.
2619 * tree-flow.h (bsi_remove): Update prototype.
2620 * tree-vrp.c (remove_range_assertions): Add new argument to
2622 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
2623 * tree-complex.c (expand_complex_div_wide): Likewise.
2624 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
2625 * tree-tailcall.c (eliminate_tailcall): Likewise.
2626 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
2627 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
2628 * tree-nrv.c (tree_nrv): Likewise.
2629 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
2630 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
2631 (combine_blocks): Likewise.
2632 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
2633 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
2634 (cleanup_control_flow): Likewise.
2635 (remove_forwarder_block): Likewise.
2636 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
2637 * tree-sra.c (sra_replace): Likewise.
2638 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
2639 (forward_propagate_single_use_vars): Likewise.
2640 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
2641 * tree-inline.c (expand_call_inline): Likewise.
2642 * tree-vect-transform.c (vect_transform_loop): Likewise.
2643 * tree-outof-ssa.c (rewrite_trees): Likewise.
2644 * tree-cfg.c (make_goto_expr_edges): Likewise.
2645 (cleanup_dead_labels): Likewise.
2646 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
2647 (bsi_move_before, bsi_move_after): Likewise.
2648 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
2649 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
2651 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
2654 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
2656 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
2657 on non gimple variables. Also add checks at the top for decls and
2659 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
2661 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
2662 and IMAGPART_EXPR for creating MUST_DEFs.
2663 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
2664 and NAME_MEMORY_TAG separately from the DECLs.
2666 2006-01-06 Richard Guenther <rguenther@suse.de>
2668 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
2669 annotation, if necessary.
2670 * tree-ssa-pre.c (create_expression_by_pieces): Remove
2671 redundant calls to update_stmt.
2672 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
2675 2006-01-05 Richard Henderson <rth@redhat.com>
2677 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
2679 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
2681 * c-typeck.c: Update copyright date.
2683 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
2685 * c-typeck.c (build_c_cast): Always warn when casting
2686 from a pointer to an integer of different size, even if
2687 the node was constant.
2689 2006-01-05 Richard Guenther <rguenther@suse.de>
2691 PR tree-optimization/22555
2692 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
2693 if one structure field is an array.
2694 * tree-ssa-operands.c (get_expr_operands): Continue scanning
2695 operands even if we found a subvar, but ignore VOPs in this
2697 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
2699 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
2701 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
2704 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
2706 2006-01-05 Richard Guenther <rguenther@suse.de>
2707 Diego Novillo <dnovillo@redhat.com>
2709 * tree-pass.h (TODO_remove_unused_locals): Define.
2710 * gimple-low.c (expand_var_p, remove_useless_vars,
2711 pass_remove_useless_vars): Remove. Update all users.
2712 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
2713 (remove_unused_locals): New function.
2714 * tree-flow.h (remove_unused_locals): Declare.
2715 * passes.c (execute_todo): Call remove_unused_locals if
2716 TODO_remove_unused_locals is set.
2717 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
2718 * tree-ssa-dce.c (pass_dce): Likewise.
2719 * tree-outof-ssa.c (pass_del_ssa): Likewise.
2721 2006-01-05 Richard Guenther <rguenther@suse.de>
2723 * tree-flow.h (struct fieldoff): Decompose field to
2724 type, size and decl.
2725 * tree-ssa-alias.c (create_sft): Take type as parameter.
2726 (create_overlap_variables_for): Store type, size and decl
2727 in the fieldoff structure.
2728 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
2730 (push_fields_onto_fieldstack): Likewise.
2731 (create_variable_info_for): Likewise. Use offset for the
2732 SFT name if the decl is not available.
2734 2006-01-04 Paul Brook <paul@codesourcery.com>
2736 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
2738 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
2740 * lambda-code.c (can_put_in_inner_loop): Relax
2742 (can_put_after_inner_loop): New function.
2743 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
2744 (perfect_nestify): Change to make copies and modify uses.
2746 2006-01-04 Richard Henderson <rth@redhat.com>
2748 Merge from gomp branch:
2749 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
2750 via integer constant.
2751 (pragma_lex): Remove.
2752 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
2753 rather than parsing it.
2754 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
2755 handle_pragma_extern_prefix): Add %< %> quotes.
2756 (registered_pragmas): New.
2757 (c_register_pragma_1): New.
2758 (c_register_pragma): Use it.
2759 (c_register_pragma_with_expansion): Likewise.
2760 (c_invoke_pragma_handler): New.
2761 (init_pragma): Use cpp_register_deferred_pragma directly for
2763 * c-pragma.h (enum pragma_kind): New.
2764 (pragma_handler): New.
2765 (c_invoke_pragma_handler): Declare.
2766 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
2768 * c-common.h (c_common_pch_pragma): Update decl.
2769 * Makefile.in (c-parser.o): Update dependencies.
2770 (GTFILES): Add c-pragma.h.
2771 * c-parser.c (struct c_token): Add pragma_kind.
2772 (struct c_parser): Add in_pragma.
2773 (c_lex_one_token): Always initialize keyword and pragma_kind.
2774 Extract data for CPP_PRAGMA.
2775 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
2776 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
2777 Don't allow CPP_PRAGMA_EOL if in_pragma.
2778 (c_parser_consume_pragma): New.
2779 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
2780 (c_parser_skip_to_end_of_parameter): Likewise.
2781 (c_parser_skip_to_end_of_block_or_statement): Likewise.
2782 (c_parser_skip_to_pragma_eol): New.
2783 (c_parser_external_declaration): Handle CPP_PRAGMA.
2784 (c_parser_compound_statement_nostart): Likewise.
2785 (c_parser_statement_after_labels): Likewise.
2786 (c_parser_pragma): New.
2787 (pragma_lex): Likewise.
2788 (c_parser_pragma_pch_preprocess): New.
2789 (c_parser_new): Merge into ...
2790 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
2792 2006-01-04 Jeff Law <law@redhat.com>
2795 * tree-cfg.c (bsi_replace): Remove the original statement
2796 from the EH throw statement table.
2798 2006-01-04 Jakub Jelinek <jakub@redhat.com>
2800 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
2801 make the prototype extern "C" and add throw ().
2804 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
2805 and pos non-negative and pos + len <= 32.
2806 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
2807 drop pos + len < HOST_BITS_PER_WIDE_INT test.
2808 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
2811 * c-common.c (handle_vector_size_attribute): Reject zero vector size
2812 as well as sizes not multiple of component size.
2815 * function.c (instantiate_expr): New function.
2816 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
2817 walk its DECL_VALUE_EXPR with instantiate_expr.
2819 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
2820 DW_OP_deref{,_size} if address isn't going to be added.
2822 2006-01-04 Ben Elliston <bje@au.ibm.com>
2824 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
2825 * config/fp-bit.c: Likewise.
2827 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
2829 * dominance.c: Add comment about why we use DFS numbering
2832 2006-01-03 Jakub Jelinek <jakub@redhat.com>
2833 Richard Henderson <rth@redhat.com>
2835 Merge from gomp-branch:
2836 * varasm.c (assemble_variable): Handle thread-local COMMON data.
2837 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
2839 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
2841 PR rtl-optimization/25578
2842 * combine.c (combine_simplify_rtx, force_to_mode): Don't
2843 pass a parameter to simplify_shift_const if changing ASHIFTRT
2846 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
2848 * builtins.c (get_builtin_sync_mem): New function.
2849 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
2850 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
2851 Call get_builtin_sync_mem to generate mem rtx.
2853 2006-01-03 Richard Guenther <rguenther@suse.de>
2856 * stmt.c (add_case_node): Make sure to clear overflow flags
2859 2006-01-03 Jakub Jelinek <jakub@redhat.com>
2861 Merge from gomp-branch.
2862 * config/sparc/sync.md: New file.
2863 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
2864 UNSPECV_LDSTUB): New constants.
2865 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
2866 * config/sparc/predicates.md (memory_reg_operand): New predicate.
2867 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
2870 2006-01-03 Roger Sayle <roger@eyesopen.com>
2872 * combine.c (reg_subword_p): New predicate to test whether the
2873 destination of a set refers to a subword/piece of a register.
2874 (try_combine): Generalize the code to merge the setting of a
2875 pseudo to a constant followed by a set of a subword of that
2876 register to a constant.
2878 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
2880 * basic-block.h (control_flow_graph): Change the type of
2881 x_label_to_block_map to VEC(basic_block,gc) *.
2882 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
2883 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
2885 * tree-ssa-propagate.c (cfg_blocks): Change the type to
2886 VEC(basic_block,heap) *.
2887 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
2888 ssa_prop_fini): Adjust the uses of cfg_blocks.
2890 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
2892 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
2894 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
2895 hashing trees instead of a pointer hash.
2896 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
2897 compare for MEM_EXPR.
2899 PR rtl-optimization/25130
2900 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
2901 when comparing MEMs for GCSE
2903 2006-01-03 Ben Elliston <bje@au.ibm.com>
2905 * targhooks.h (default_decimal_float_supported_p): Declare.
2906 * targhooks.c (default_decimal_float_supported_p): Define.
2907 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
2908 `default_decimal_float_supported_p'.
2909 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
2911 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
2913 * combine.c (apply_distributive_law <SUBREG>): Check
2914 TRULY_NOOP_TRUNCATION.
2916 2006-01-02 Geoffrey Keating <geoffk@apple.com>
2918 * dwarf2out.c (have_switched_text_section): Delete.
2919 (have_multiple_function_sections): New.
2920 (have_location_lists): Make 'bool'.
2921 (add_AT_loc_list): Use 'true' not '1'.
2922 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
2923 (output_loc_list): Use have_multiple_function_sections.
2924 (output_ranges): Likewise.
2925 (dwarf2out_begin_function): Set have_multiple_function_sections if
2927 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
2928 Check function_section rather than DECL_SECTION_NAME.
2929 (dwarf2out_finish): Use have_multiple_function_sections.
2930 Don't clear have_location_lists.
2932 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
2933 Jan Hubicka <jh@suse.cz>
2935 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
2936 case of conditional jump jumping to the next instruction.
2937 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
2938 cases of conditional jump jumping to the next instruction.
2940 2006-01-02 Jan Hubicka <jh@suse.cz>
2942 * i386.c (*_cost): Add COSTS_N_INSNS.
2943 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
2945 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
2948 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
2950 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2952 * config/arm/arm.c (all_fpus): Fix comment typo.
2953 * config/darwin.c: Likewise.
2954 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
2955 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
2956 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
2958 2006-01-01 David Edelsohn <edelsohn@gnu.org>
2960 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
2961 (rs6000_split_compare_and_swapqhi): New.
2962 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
2963 (sync_compare_and_swapqhi_internal): New.
2964 * config/rs6000/rs6000-protos.h: Declare.