1 2006-01-26 Zack Weinberg <zackw@panix.com>
3 * genconditions.c (write_header): In generated code, #ifdef out
4 all includes and fake declarations, except includes of bconfig.h
5 and system.h, unless GCC_VERSION >= 3001. Do not include
6 gensupport.h in any case.
7 (write_conditions): Generate a definition of struct c_test. Add
8 a comment to the generated #endif.
9 (write_one_condition): Escape backslashes in string too.
10 (write_writer): Generated code must escape backslashes and quote
11 marks (but not newlines) in the strings it writes.
12 * Makefile.in (build/gencondmd.o): Update dependencies.
14 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17 * Makefile.in (insn-automata.o): Add header file dependencies.
18 * genautomata.c: Add includes.
20 2006-01-26 Steve Ellcey <sje@cup.hp.com>
23 * Makefile.in (insn-automata.o): Add -Wno-error flag.
25 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
27 * configure.ac: Expect target tools paths to be passed from the toplevel
28 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
30 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
32 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
35 * c.opt (Wpointer-sign): Init to -1.
36 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
37 OPT_pedantic, to 0 otherwise.
38 * doc/invoke.texi: Update.
40 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
42 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
43 constants provided by 80387 instructions in the destination mode.
45 2006-01-26 Richard Guenther <rguenther@suse.de>
46 Andrew Pinski <pinskia@physics.uc.edu>
49 partial PR tree-opt/17064
50 * tree-ssa-structalias.c (intra_create_variable_infos):
51 Create heap variables for incoming parameters if
52 flag_argument_noalias > 1.
53 (find_what_p_points_to): Look through default defs of
56 2006-01-26 Jeff Law <law@redhat.com>
59 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
60 with a VR_ANTI_RANGE and the VR_ANTI_RANGEis completely contained
61 within the VR_RANGE, use the VR_RANGE as the result, not the
63 (adjust_range_with_scev): Reject ranges from SCEV which are out
64 of bounds for the type.
66 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
68 * tree-ssa-alias.c (maybe_create_global_var): Change
69 subvar walking to an assertion that we don't have subvar'd variables.
71 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
74 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
75 Use a new variable, inner. PARM_DECLs are always non-weak.
77 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
79 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
82 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
84 * config/mips/mips.md (*clear_upper32): New combiner pattern.
86 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
88 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
89 (smax_insn, smin_insn, smax_0, smin_0): New.
91 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
94 * config/cris/cris.c (cris_order_for_addsi3): New function.
95 * config/cris/cris-protos.h: Prototype it.
96 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
97 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
98 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
99 (split for "op.S1 [rx=rx+i],ry (swapped)")
100 (split for "op(s|u).S1 [rx=rx+i],ry")
101 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
102 Apply cris_order_for_addsi3 when generating addsi3 insns.
104 2006-01-25 Diego Novillo <dnovillo@redhat.com>
106 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
107 (TREE_BLOCK): Add call to EXPR_CHECK.
109 2006-01-25 Diego Novillo <dnovillo@redhat.com>
112 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
113 * tree-pretty-print.c (dump_omp_clause): Extract from ...
114 (dump_omp_clauses): ... here.
115 (dump_generic_node): Handle OMP_CLAUSE.
116 * tree.c (omp_clause_num_ops): New.
117 (omp_clause_code_name): New.
118 (tree_code_size): Handle OMP_CLAUSE.
119 (tree_size): Likewise.
120 (make_node): Document handling of OMP_CLAUSE.
121 (tree_node_structure): Handle OMP_CLAUSE.
122 (omp_clause_check_failed): New.
123 (omp_clause_range_check_failed): New.
124 (omp_clause_operand_check_failed): New.
125 (build_omp_clause): New.
126 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
127 * tree.h (enum omp_clause_code): Declare.
128 (OMP_CLAUSE_SUBCODE_CHECK): Define.
129 (OMP_CLAUSE_RANGE_CHECK): Define.
130 (OMP_CLAUSE_ELT_CHECK): Define.
131 (omp_clause_check_failed): Declare.
132 (omp_clause_operand_check_failed): Declare.
133 (omp_clause_range_check_failed): Declare.
134 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
135 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
136 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
137 (OMP_CLAUSE_LASTPRIVATE): Likewise.
138 (OMP_CLAUSE_IF_EXPR): Likewise.
139 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
140 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
141 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
142 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
143 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
144 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
145 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
146 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
147 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
148 (OMP_CLAUSE_CODE): Define.
149 (OMP_CLAUSE_SET_CODE): Define.
150 (OMP_CLAUSE_CODE): Define.
151 (OMP_CLAUSE_OPERAND): Define.
152 (struct tree_omp_clause): Declare.
153 (union tree_node): Add field 'omp_clause'.
154 * treestruct.def (TS_OMP_CLAUSE): Define.
155 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
156 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
157 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
158 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
159 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
160 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
161 (OMP_CLAUSE): Define.
162 * print-tree.c (print_node): Handle OMP_CLAUSE.
163 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
164 * c-typeck.c: Likewise.
165 * gimplify.c: Likewise.
167 * tree-nested.c: Likewise.
168 * tree-inline.c: Likewise.
169 * c-parser.c: Likewise.
170 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
173 2006-01-25 Roger Sayle <roger@eyesopen.com>
175 PR rtl-optimization/25703
176 * combine.c (try_combine): Handle zero_extract and strict_low_part
177 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
179 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
181 * global.c: Fix comment typos.
183 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
186 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
187 Use output_addr_const instead of assemble_name.
189 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
191 * Makefile.in (sched-vis.o): Update dependencies.
192 * haifa-sched.c (sched_finish): Clear current_sched_info.
193 * cfg.c (dump_bb_info): New, split from dump_flow_info.
194 (dump_flow_info): Call it.
195 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
197 * basic-block.h (dump_bb_info): Declare.
198 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
199 option, and apply options only for dump files whose TDF_RTL,
200 TDF_TREE, or TDF_IPA bits match.
201 * rtl.h: Declare new functions exported from sched-vis.c.
202 * sched-vis.c: Enable also if scheduling is not used.
203 (print_value): Print the mode of registers if not inside scheduling.
204 (print_insn): Make it work outside the scheduler. Beautify the output
206 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
208 2006-01-25 Richard Sandiford <richard@codesourcery.com>
210 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
211 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
212 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
213 depending on the value of CONSTANT_POOL_ADDRESS_P.
214 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
216 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
217 rather than SYMBOL_REF_DECL.
218 (rtx_constant_pool): Remove const_rtx_sym_htab.
219 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
220 (init_varasm_status): Don't initialize const_rtx_sym_htab.
221 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
222 Remove handling of const_rtx_sym_htab.
223 (find_pool_constant): Delete.
224 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
225 rather than find_pool_constant.
226 (get_pool_constant_for_function): Delete.
227 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
229 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
230 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
231 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
232 (SYMBOL_REF_CONSTANT): New macro.
233 (get_pool_constant_for_function): Delete.
234 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
235 rather than SYMBOL_REF_DECL.
236 (i386_pe_mark_dllimport): Likewise.
237 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
238 rather than SYMBOL_REF_DECL.
239 * config/darwin.c (machopic_indirect_data_reference): Likewise.
240 (machopic_indirect_call_target): Likewise.
242 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
244 * flow.c (delete_noop_moves): Add missing EOL to dump message.
246 2006-01-25 Richard Sandiford <richard@codesourcery.com>
248 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
250 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
252 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
254 2006-01-24 David Daney <ddaney@avtrex.com>
257 * configure.ac (enable_tls): New enable option.
258 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
259 * configure: Regenerate.
260 * doc/install.texi (--enable-tls): Document new option.
261 (--disable-tls): Ditto.
263 2006-01-24 Richard Henderson <rth@redehat.com>
265 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
266 * alias.c (true_dependence): Respect it.
267 (canon_true_dependence, write_dependence_p): Likewise.
268 * builtins.c (get_builtin_sync_mem): Set it.
270 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
272 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
275 2006-01-24 DJ Delorie <dj@redhat.com>
277 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
278 for storing constants in single-bit bitfields.
280 2006-01-25 Ben Elliston <bje@au.ibm.com>
282 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
284 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
287 * tree-ssa-pre.c (phi_translate): Return NULL
288 for AGGREGATE_TYPE's.
290 2006-01-24 Zack Weinberg <zackw@panix.com>
292 * genautomata.c (process_state_for_insn_equiv_partition):
293 Use xcalloc for insn_arcs_array.
294 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
295 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
297 2006-01-24 Richard Henderson <rth@redhat.com>
299 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
302 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
304 PR rtl-optimization/25890
305 PR rtl-optimization/25905
306 * combine.c (expand_compound_operation, expand_field_assignment):
307 Fail if the bitfield's final position is out of bounds.
309 2006-01-24 Ian Lance Taylor <ian@airs.com>
312 * cgraphunit.c (cgraph_output_in_order): Don't clear
313 cgraph_asm_nodes until after asm strings have been output.
315 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
317 * fix-header.c (read_scan_file): Add new parameter imultilib when
318 calling register_include_chains.
320 2006-01-23 Diego Novillo <dnovillo@redhat.com>
322 * omp-low.c: Update documentation.
324 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
325 Daniel Berlin <dberlin@dberlin.org>
329 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
330 return from the function.
332 2006-01-22 Zack Weinberg <zackw@panix.com>
334 * rtl.def (match_code): Add second argument.
335 * genpreds.c (write_extract_subexp): New function.
336 (write_match_code): Add path argument. Use write_extract_subexp.
337 (write_predicate_expr): Pass path to write_match_code.
338 (mark_mode_tests): MATCH_CODE applied to a subexpression does
339 not perform a mode test.
340 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
341 a subexpression does not constrain the top-level code set.
342 * read-rtl.c (read_rtx_variadic): New function.
343 (read_rtx_1): Use it; allow AND and IOR to be variadic.
344 * doc/md.texi: Document new notation.
345 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
346 (cmpsi_operand): ... here, using new notation.
348 2006-01-22 Zack Weinberg <zackw@panix.com>
350 * varray.c: Remove GENERATOR_FILE #ifdefs.
352 2006-01-22 Zack Weinberg <zackw@panix.com>
354 * genautomata.c (output_reserved_units_table): Emit nothing if
355 description->query_units_num is zero. Remove extra blank line.
356 (output_cpu_unit_reservation_p): Short circuit
357 if description->query_units_num is zero.
359 2006-01-22 Zack Weinberg <zackw@panix.com>
361 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
362 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
363 nor any of the random handful of variables that used to be necessary
364 when this program was linked with rtlanal.o. Prune set of forward
365 function declarations.
366 (struct attr_desc): Remove static_p field.
367 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
368 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
369 (attr_string): Do not read the character one past the length of
371 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
372 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
373 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
374 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
375 (make_automaton_attrs): New.
376 (main): Do not call into genautomata. Call local gen_bypass
377 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
378 Remove special case for insn_alts.
379 * genautomata.c: Include gensupport.h; not genattrtab.h nor
380 varray.h (leftover from previous change). Prune set of forward
381 function declarations. Remove state_alts fields from all
382 structures. Remove state_alts_table from struct automaton.
383 Make everything except main static. Do not maintain num_dfa_decls.
384 Do not maintain state_alts fields of various structures.
385 (process_decls): Don't validate condexp for dm_insn_reserv decls.
386 (add_arc): Remove state_alts argument. All callers updated.
387 (output_reserved_units_table): Emit #ifdef here...
388 (output_tables): ...not here. Don't generate state_alts tables.
389 (expand_automata): Don't generate attributes.
390 (write_automata): Don't generate state_alts functions.
391 (main): New function.
392 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
393 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
394 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
395 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
396 (BYPASS_P_FUNC_NAME, output_state_alts_table)
397 (output_automata_list_state_alts_code, output_internal_state_alts_func)
398 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
399 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
401 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
402 * genattrtab.h: Delete file.
403 * Makefile.in (OBJS-common): Add insn-automata.o.
404 (insn-automata.o): New rule.
405 (simple_generated_c): Add insn-automata.c.
406 (build/genattrtab.o, build/genautomata.o): Update dependencies.
407 (genprogmd): Add automata.
408 (build/genattrtab): Needs no extra objects nor libraries.
409 (build/genautomata): Needs build/vec.o and -lm.
411 2006-01-22 Zack Weinberg <zackw@panix.com>
413 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
414 (output_dfa_max_issue_rate, locked_states_num): Delete.
415 (struct automaton): Add locked_states field.
416 (output_dead_lock_vect): Save number of locked states in
417 automaton->locked_states. If it is zero, don't print anything.
418 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
419 (output_internal_dead_lock_func): Only test the dead_lock_vect
420 for automata that have locked states.
421 (output_statistics): Always print the number of locked states for
422 each automaton. Calculate total number of locked states here.
423 (write_automata): Don't call output_dfa_max_issue_rate.
424 * genattrtab.c: Define length_unit_log as a const variable.
425 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
426 max_insn_queue_index const.
427 * final.c (length_unit_log): Declare const.
428 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
430 2006-01-22 Zack Weinberg <zackw@panix.com>
432 * genautomata.c: Include vec.h, not varray.h.
433 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
434 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
435 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
436 VEC_* macros operating on appropriately typed vectors, or to
437 malloced arrays when the size is known in advance. Const-ify
438 many char* variables and function arguments. No functional changes.
439 * Makefile.in (build/varray.o): Delete rule.
440 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
441 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
443 2006-01-22 Zack Weinberg <zackw@panix.com>
445 * gensupport.c: Define get_insn_name and record_insn_name here.
446 (read_md_rtx): Call record_insn_name as appropriate.
447 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
448 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
449 * genpreds.c, genrecog.c: Don't define get_insn_name nor
451 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
452 (BUILD_VARRAY): Delete.
453 (genprognormal): Rename genprogmd. Fold in all programs from
454 genprognoprint; also attrtab.
455 (build/genattrtab): Just mention genautomata.o and varray.o.
456 Reorganize a bit, add comments to make the categories clearer.
458 2006-01-22 Zack Weinberg <zackw@panix.com>
460 * genconditions.c (condition_table, add_condition): Delete.
461 (write_conditions): Don't emit n_insn_conditions nor
462 insn_elision_unavailable. Issue the gcc version #ifdef here,
463 inside the table, with no #else clause ...
464 (write_header): ...not here.
465 (write_writer): New function.
466 (main): Don't initialize condition_table. Use add_c_test.
468 * gensupport.c (init_md_reader_args_cb): Handle multiple input
469 files on the command line.
470 (maybe_eval_c_test): Don't check insn_elision_unavailable.
471 Return -1 if there is no entry in the table, don't abort.
472 (add_c_test, traverse_c_tests): New functions.
473 * gensupport.h (insn_elision_unavailable, insn_conditions)
474 (n_insn_conditions): Delete declarations.
475 (add_c_test, traverse_c_tests): Declare.
476 * read-rtl.c: Include gensupport.h.
477 (read_conditions): New function.
478 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
479 (read_rtx_1): If we get EOF when we were looking for an initial
480 open paren, return 0. Call read_conditions when appropriate.
481 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
482 dummy-conditions.o. Eliminate references to insn-conditions.o,
483 or change them to build/gencondmd.o, as appropriate. Remove
484 insn-constants.h from $(simple_generated_h) and insn-conditions.c
485 from $(simple_generated_c). For all files remaining in those
486 two lists, add insn-conditions.md to the generator command line.
487 Give insn-constants.h/s-constants their own rules. Add rules
488 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
489 (build/read-rtl.o): Depend on gensupport.h.
490 (genprognormal): Include preds.
491 (genprogearly): Rename genprognoprint; only difference is now that
492 they don't link with $(BUILD_PRINT).
493 * dummy-conditions.c: Delete.
495 2006-01-22 Zack Weinberg <zackw@panix.com>
497 * genextract.c: Don't include insn-config.h. Do include vec.h.
498 Declare vectors of int, char, and locstr.
499 (locstr): New typedef.
500 (struct extraction): Make all array fields into bare pointers.
501 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
502 (insn_code_number): Delete.
503 (accum_extract): New struct.
504 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
505 (gen_insn): Take insn_code_number as an argument. Use an
506 accum_extract structure instead of loading data directly into
507 a struct extraction, and having to know how big it might get.
508 (walk_rtx): Operate entirely on an accum_extract structure.
509 (print_path): Avoid unnecessary use of printf.
510 (print_header): New function, split out of main. Distinguish
511 more carefully between an unrecognizable insn and an insn that
512 has the code number of a define_expand.
513 (main): Pass insn_code_number to gen_insn. Call print_header
514 only after parsing. Avoid unnecessary use of printf.
515 * Makefile.in (build/vec.o): New rule.
516 (build/genextract): Depend on build/vec.o.
517 (build/genextract.o): Don't depend on insn-config.h.
519 2006-01-22 Zack Weinberg <zackw@panix.com>
521 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
522 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
523 practical. Eliminate per-generator-program link rules.
525 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
528 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
529 with a call expr to ...
530 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
532 2006-01-23 Richard Guenther <rguenther@suse.de>
534 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
535 before make_edge with conditional EDGE_TRUE_VALUE.
537 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
538 Jan Hubicka <jh@suse.cz>
539 Richard Guenther <rguenther@suse.de>
541 PR rtl-optimization/25654
542 * cfgexpand.c (aggregate_contains_union_type): New function.
543 (add_alias_set_conflicts): Call it. Make sure to add conflicts
544 for structure variables that contain a union type.
546 2006-01-23 Richard Sandiford <richard@codesourcery.com>
548 * gengtype.c (new_structure): Return the structure.
549 (create_option): Add an extra "next" argument.
550 (create_field): New function.
551 (adjust_field_rtx_def): Use create_option and create_field.
552 Remove a now-unnecessary call to find_structure.
553 (adjust_field_tree_def): Likewise.
554 (note_yacc_type): Remove an unnecessary call to find_structure.
555 * gengtype.h (new_structure): Return the structure.
556 (create_option): Add an extra argument.
557 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
558 (option): Adjust calls to create_option.
560 2006-01-22 David Edelsohn <edelsohn@gnu.org>
562 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
564 2006-01-22 Paul Brook <paul@codesourcery.com>
565 Peter Barada <peter@the-baradas.com>
567 * config/m68k/m68k.md: Add Coldfire FPU support.
568 Define FP mode macro and associated attributes.
569 Use it for float mode patterns.
570 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
571 (LIBCALL_VALUE): Use m68k_libcall_value.
572 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
573 (m68k_function_value): Ditto.
574 (emit_move_sequence): Ditto.
575 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
576 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
577 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
578 (MULTILIB_EXCEPTIONS): Ditto.
579 * config/m68k/m68k.opt: Add mcfv4e.
580 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
581 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
582 (m68k_output_function_prologue): Save ColdFire FPU registers.
583 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
584 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
585 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
586 ColdFire FPU registers.
587 (m68k_libcall_value, m68k_function_value): New functions.
588 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
589 (LIBCALL_VALUE): Use m68k_libcall_value.
590 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
591 (MASK_COLDFIRE): Add MASK_CFV4E.
592 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
593 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
594 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
595 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
596 (GO_IF_LEGITIMATE_ADDRESS): Use it.
597 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
598 * doc/invoke.tex: Document -mcfv4e on m68k.
600 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
602 * doc/contribute.texi: Change CVS to SVN and update the corresponding
605 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
608 * c-opts.c (c_common_handle_option): Don't include
609 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
610 * doc/invoke.texi (C++ Dialect Options): Document that
611 -Wnon-virtual-dtor is no longer included in -Wall.
613 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
615 * gcov.c (print_version), gcov-dump.c (print_version),
616 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
619 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
621 * df-scan.c (problem_SCAN): Added NULL reset function.
622 (df_scan_reset_blocks): Added code to call reset block function
623 (df_bb_refs_delete) Fixed comment.
624 (df_insn_refs_delete): Made tolerant of deleting non existent info
625 for dataflow problems that need to be reset.
626 * df-core.c (df_set_blocks): Ditto.
627 * df.h (struct df_problem): Added reset_fun.
628 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
629 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
630 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
631 functions to clear out all references to def-use or use-def chains.
633 2006-01-21 Ben Elliston <bje@au.ibm.com>
635 * varasm.c (assemble_real): Initialise data array.
637 2006-01-20 Paul Brook <paul@codesourcery.com>
639 Merge from csl-arm-branch.
640 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
641 * config/arm/arm.md (movdi): Force operands[1] to a register
642 if we have a non-register source.
643 (*arm_movdi, *movdf_soft_insn): Require that one of the
644 operands be a register.
645 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
646 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
648 2006-01-20 DJ Delorie <dj@redhat.com>
650 * varasm.c (initialize_constant_valid_p): Allow pointers
651 initialized from integer constants of lesser precision.
652 (output_constant): Allow non-int-sized pointer modes to be
653 initialized from integer constants.
655 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
658 * cppdefault.h (struct default_include): Add multilib flag.
659 * cppdefault.c (cpp_include_defaults): Set it.
660 * c.opt (-imultilib): New option.
661 * c-opts.c (imultilib): New.
662 (c_common_handle_option): Handle -imultilib.
663 (c_common_post_options): Likewise.
664 * c-incpath.c (add_standard_paths, register_include_chains):
666 * c-incpath.h (register_include_chains): Add extra parameter.
667 * gcc.c (do_spec_1): Generate -imultilib option.
668 (The Specs Language): Update %I description.
669 (process_command): Update copyright notice.
670 * doc/cppopts.texi (-imultilib): Document.
671 * doc/invoke.texi (-imultilib): Include in option summary.
672 (%I): Update specs documentation.
674 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
676 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
678 2006-01-20 Richard Sandiford <richard@codesourcery.com>
680 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
683 2006-01-20 Richard Guenther <rguenther@suse.de>
684 Steven Bosscher <stevenb.gcc@gmail.com>
686 PR rtl-optimization/24626
687 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
688 EDGE_TRUE_VALUE if in RTL mode.
691 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
692 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
694 2006-01-20 Dirk Mueller <dmueller@suse.com>
697 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
698 instead of a special NOP marker.
699 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
701 * c-common.h (empty_body_warning): Add forward declaration.
702 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
703 Now uses IS_EMPTY_STMT() instead of special NOP markers.
705 2006-01-20 Paul Brook <paul@codesourcery.com>
707 * Makefile.in (lang_checks): Keep going if mkdir fails.
709 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
711 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
712 be able to clean out basic block when not necessary.
713 (df_scan_free): Fixed to properly delete information if df is
714 unused before calling df_finish.
715 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
716 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
718 (df_bb_refs_delete): New function.
719 (df_refs_delete): Moved per block code to df_bb_refs_delete.
720 * df-core.c (df_set_blocks): Added code to properly clean out
721 unused blocks if they are not part of the blocks to consider.
722 Added additional null check.
723 (df_compact_blocks): Added basic block parameter to free_bb_fun to
724 be able to clean out basic block when not necessary
725 * df.h (df_free_bb_function): Ditto.
726 (df_bb_refs_delete): New function.
727 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
728 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
729 basic block parameter to be able to clean out basic block when not
731 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
732 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
733 Fixed to properly delete information if df is unused before
736 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
738 PR rtl-optimization/25799
739 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
740 Corrected confluence operator to remove bits from op2 before oring
741 with op1 rather than removing bits from op1.
742 (df_ru_transfer_function): Corrected test on wrong bitmap which
743 caused infinite loop. Both of these problems were introduced in
744 the dataflow rewrite.
746 2006-01-19 DJ Delorie <dj@redhat.com>
748 * reload1.c (find_reload_regs): Note the details of reload
749 failures in the dump file.
750 (spill_failure): Likewise.
752 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
754 * loop-iv.c: Include df.h and hashtab.h.
755 (enum iv_grd_result): New enum.
756 (DF_REF_IV, DF_REF_IV_SET): New macros.
757 (struct biv_entry): New.
758 (df, bivs): New global variables.
759 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
760 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
762 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
763 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
764 analyzed_for_bivness_p, record_biv): New functions.
765 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
766 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
767 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
769 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
771 (iv_number_of_iterations): Use new interface to iv analysis.
772 * loop-unroll.c: Do not include varray.h.
773 (analyze_iv_to_split_insn): Use new interface to iv
775 * loop-unswitch.c (may_unswitch_on): Ditto.
776 * df.c (df_bitmaps_free): Only work for bbs for that structures are
778 (df_bb_modify): Realloc tables to the new index.
779 (df_find_use): New function.
780 * df.h (df_find_use): Declare.
781 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
783 * cfgloop.h (struct rtx_iv): Remove analysed field.
784 (iv_get_reaching_def): Removed.
785 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
786 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
787 (loop-iv.o): Add df.h and hashtab.h dependency.
788 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
790 2006-01-20 Alan Modra <amodra@bigpond.net.au>
792 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
794 (__floatundisf, __floatundidf): Likewise.
795 * libgcc2.h (IS_IBM_EXTENDED): Define.
797 2006-01-19 DJ Delorie <dj@redhat.com>
799 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
801 2006-01-19 Paul Brook <paul@codesourcery.com>
803 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
804 as nothrow when unwinding tables are disabled.
806 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
809 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
810 of bit-field" when in system header.
812 2006-01-19 DJ Delorie <dj@redhat.com>
814 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
815 the 16 bit shift limit of the m16c.
817 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
820 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
821 * config/i386/i386.c (output_set_got): Output the label if we have one
822 for the TARGET_DEEP_BRANCH_PREDICTION case.
824 2006-01-19 Jan Hubicka <jh@suse.cz>
825 H.J. Lu <hongjiu.lu@intel.com>
826 Evandro Menezes <evandro.menezes@amd.com>
828 * invoke.texi (generic): Document
830 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
831 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
832 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
833 (x86_use_incdec, x86_pad_returns): New variables
834 (TARGET_CPU_DEFAULT_generic): New constant
835 (TARGET_CPU_DEFAULT_NAMES): Add generic.
836 (enum processor_type): Add generic32 and generic64.
837 * i386.md (cpu attribute): Add generic32/generic64
838 (movhi splitter): Behave sanely when both partial_reg_dependency and
839 partial_reg_stall are set.
840 (K8 splitters): Enable for generic as well.
841 * predicates.md (incdec_operand): Use TARGET_INCDEC
842 (aligned_operand): Avoid memory mismatch stalls.
843 * athlon.md: Enable for generic64, new patterns for 128bit moves.
844 * ppro.md: Enable for generic32
845 * i386.c (generic64_cost, generic32_cost): New.
846 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
847 (x86_use_leave): Enable for generic64. (x86_use_sahf,
848 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
849 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
850 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
851 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
852 x86_partial_reg_dependency, x86_memory_mismatch_stall,
853 x86_accumulate_outgoing_args, x86_prologue_using_move,
854 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
855 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
857 (x86_use_incdec, x86_pad_returns): New.
858 (override_options): Add generic32 and generic64, translate "generic"
859 to generic32/generic64 and "i686" to "generic32", refuse
860 "generic32"/"generic64" as arch target.
861 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
862 (ix86_reorg): Honor PAD_RETURNS.
864 2006-01-19 Diego Novillo <dnovillo@redhat.com>
866 * tree-pretty-print.c (dump_generic_node): Handle
867 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
868 * cgraph.c (cgraph_expand_queue): Rename from
869 cgraph_analyze_queue. Update all users.
870 * cgraphunit.c (cgraph_assemble_pending_functions): Process
872 (cgraph_expand_all_functions): Likewise.
873 (cgraph_finalize_pending_functions): Remove. Update callers.
875 * tree.h (OMP_DIRECTIVE_P): Define.
876 (OMP_PARALLEL_FN): Define.
877 (OMP_PARALLEL_DATA_ARG): Define.
878 (OMP_SECTIONS_SECTIONS): Define.
879 * tree-pass.h (pass_expand_omp): Declare.
880 * omp-low.c (struct omp_region): Declare.
881 (struct omp_context): Remove fields 'parallel_type',
882 'parallel_start_ix' and 'parallel_start_additional_args'.
884 (struct omp_for_data): Rename from struct expand_omp_for_data.
885 (omp_regions): New static variable.
886 (root_omp_region): New static variable.
887 (find_omp_clause): Make static.
888 (is_in_combined_parallel_ctx): Remove.
889 (is_combined_parallel): New.
890 (extract_omp_for_data): Move earlier in the file.
891 (workshare_safe_to_combine_p): New.
892 (get_ws_args_for): New.
893 (determine_parallel_type): Move earlier in the file.
894 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
896 (omp_copy_decl): Likewise.
897 (create_omp_child_function): Likewise.
898 (lookup_omp_region): New.
899 (dump_omp_region): New.
900 (debug_omp_region): New.
901 (debug_all_omp_regions): New.
902 (new_omp_region): New.
903 (scan_omp_parallel): If parallel_nesting_level > 1, the
904 directive is nested within another parallel directive.
906 (scan_omp_for): Do not try to handle combined parallel+for
908 Remove FIXME comment.
909 (scan_omp_nested): Remove.
910 (scan_omp_1): Do not call scan_omp_nested when
911 parallel_nesting_level is > 1.
912 Do not change the DECL_CONTEXT of local variables found.
913 (lookup_decl_in_outer_ctx): New.
914 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
915 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
916 (lower_reduction_clauses): Rename from expand_reduction_clauses.
917 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
918 If CTX is nested, lookup VAR in the outer context when
919 building copy assignment.
920 (lower_send_clauses): Rename from expand_send_clauses.
921 If CTX is nested, lookup VAR in the outer context when
922 building copy assignments.
923 (lower_send_shared_vars): Rename from expand_send_shared_vars.
924 If CTX is nested, lookup VAR in the outer context when
925 building copy assignments.
926 (expand_parallel_call): Rename from build_parallel_call.
927 Handle combined parallel+workshare cases.
928 Re-implement to emit code into the CFG.
930 (expand_omp_parallel): Re-implement to emit code into the CFG.
931 Call move_sese_region_to_fn to outline the sub-graph
932 containing the parallel region.
933 (expand_omp_for_1): Remove.
934 (expand_omp_for_generic): Re-implement to emit code into the
936 (expand_omp_for_static_nochunk): Likewise.
937 (expand_omp_for_static_chunk): Likewise.
938 (expand_omp_for): Likewise.
939 (expand_omp_sections): Likewise.
940 (remove_exit_barriers): New.
941 (expand_omp_synch): New.
943 (build_omp_regions_1): New.
944 (build_omp_regions): New.
945 (execute_expand_omp): New.
946 (gate_expand_omp): New.
947 (pass_expand_omp): Define.
948 (lower_omp_sections): Rename from expand_omp_sections.
949 Set OMP_SECTIONS_SECTIONS.
950 (lower_omp_single_simple): Rename from expand_omp_single_simple.
951 (lower_omp_single_copy): Rename from expand_omp_single_copy.
952 (lower_omp_single): Rename from expand_omp_simple.
953 (lower_omp_master): Rename from expand_omp_master.
954 (lower_omp_ordered): Rename from expand_omp_ordered.
955 (lower_omp_critical): Rename from expand_omp_critical.
956 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
957 (lower_omp_for): Re-implement.
958 (lower_omp_parallel): Re-implement.
959 (lower_regimplify): Rename from expand_regimplify.
960 (lower_omp_1): Rename from expand_omp_1.
961 If there are syntax errors in the program, replace every
962 OpenMP directive with NOP.
963 Call lower_omp_* instead of expand_omp_*.
964 (lower_omp): Rename from expand_omp.
966 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
967 * tree-gimple.h (enum omp_parallel_type): Remove.
968 (gimple_boolify): Declare extern.
969 (find_omp_clause, determine_parallel_type): Remove.
971 * gimple-low.c (lower_omp_directive): New.
972 (lower_stmt): Call it.
973 (record_vars_into): Move from ...
974 (record_vars): ... here.
975 Call record_vars_into with current_function_decl.
977 * gimplify.c (struct gimplify_ctx): Remove fields
978 combined_pre_p and combined_ctxp. Update users.
979 (get_formal_tmp_var): Add documentation.
980 (gimple_boolify): Make extern.
981 (gimplify_expr_in_ctx): Remove. Update callers.
982 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
983 will always be a BIND_EXPR.
984 (gimplify_expr): Handle OMP_RETURN_EXPR.
985 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
986 (OMP_PARALLEL): Add 3 operands.
987 (OMP_SECTIONS): Add 1 operand.
988 (OMP_RETURN_EXPR): Define.
990 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
991 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
992 * tree-iterator.c (alloc_stmt_list): Assert that we are not
993 creating a circular free list.
994 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
996 * tree-flow.h (move_sese_region_to_fn): Declare.
997 (record_vars_into): Declare.
998 * tree-cfg.c (make_omp_sections_edges): New.
999 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
1000 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
1001 OMP_SECTIONS and OMP_SECTION.
1002 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
1003 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
1004 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
1005 (gather_blocks_in_sese_region): New.
1006 (struct move_stmt_d): Declare.
1008 (move_block_to_fn): New.
1009 (move_sese_region_to_fn): New.
1011 * passes.c (init_optimization_passes): Schedule
1012 pass_expand_omp after pass_init_datastructures.
1014 * tree-ssa-operands.c (get_expr_operands): Handle
1015 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
1016 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
1018 2006-01-19 Jeff Law <law@redhat.com>
1020 * tree-vrp.c (extract_range_from_assert): Refine the result range
1021 if the variable referenced by the ASSERT_EXPR has a range and
1022 either the tentative result range or the previous range is a
1025 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1027 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
1029 2006-01-19 Jan Hubicka <jh@suse.cz>
1031 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
1033 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
1035 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
1036 (expand_compound_operation, expand_field_assignment): Fail if the
1037 bit lengths of an extract operation are out of range.
1038 (make_extraction): Compute wanted_inner_mode based on the position
1039 and length of the extraction. Make it extraction_mode for non-constant
1040 positions, and do not modify offset in that case. When generating a
1041 new MEM, use a mode that can hold the extraction while keeping correct
1042 alignment. Remove code that supported MEMs wrapped by USEs.
1043 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
1045 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
1047 * config/s390/s390.md ("Y", "y"): New mode attribute.
1048 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1049 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
1050 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
1051 "*addsi3_imm_cc", "*addsi3_carry1_cc",
1052 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
1053 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
1054 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
1055 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
1056 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
1057 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
1058 "addsi3", "subsi3"): Insn patterns removed.
1059 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
1060 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
1061 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
1062 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
1063 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
1064 "*sub<mode>3_cconly2"): New insn patterns.
1065 ("addsi3", "subsi3"): New expanders.
1067 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
1069 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
1070 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
1071 existing STMT_VINFO_VECTYPE if available.
1072 (vect_mark_relevant): Add special handling for stmts that are
1073 marked as STMT_VINFO_IN_PATTERN_P.
1074 (vect_analyze_loop): Call vect_pattern_recog.
1075 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1076 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
1078 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
1079 (vect_recog_func_ptr): New function-pointer type.
1080 * tree-vect-patterns.c: New file.
1081 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
1082 (vect_recog_dot_prod_pattern, vect_pattern_recog):
1083 (vect_pattern_recog_1): New functions.
1084 (vect_pattern_recog_funcs): New array of function pointers.
1086 * tree-vectorizer.h (ternary_op): New enum value.
1087 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
1088 declaration. Revised documentation. Removed redundant dump prints.
1089 Removed redundant argument. Added support for reduction patterns.
1090 (vectorizable_reduction): Added support for reduction patterns.
1091 (vect_transform_stmt): Added support for patterns.
1093 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
1094 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
1095 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
1096 (expand_widen_pattern_expr): New function.
1097 (init_optabs): Initialize new optabs udot_prod_optab,
1099 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
1100 (sdot_prod_optab, udot_prod_optab): Define new optabs.
1101 (expand_widen_pattern_expr): New function declaration.
1102 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
1104 * tree-inline.c (estimate_num_insns_1): Added cases for new
1105 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1106 * tree-pretty-print.c (dump_generic_node): Likewise.
1107 (op_prio): Likewise.
1108 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
1109 * tree-ssa-operands.c (get_expr_operands): Added case for
1111 * tree-vect-patterns.c (widened_name_p): New function.
1112 (vect_recog_dot_prod_pattern): Added function implementation.
1113 * tree-vect-transform.c (get_initial_def_for_reduction): Added
1114 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
1115 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
1116 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
1118 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
1119 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
1120 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
1121 (init_optabs): Initialize new optabs widen_ssum_optab,
1123 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
1124 (widen_ssum_optab, widen_usum_optab): Define new optabs.
1125 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
1126 use instead of type of def.
1127 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
1128 function implementation.
1129 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
1130 widen_ssumv8hi): New.
1132 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
1135 2006-01-19 Richard Sandiford <richard@codesourcery.com>
1138 * c-decl.c (add_flexible_array_elts_to_size): New function.
1139 (finish_decl): Use it.
1141 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
1143 * diagnostic.h: Include options.h.
1144 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
1145 dependancies for diagnostic.h.
1146 * Makefile.in (DIAGNOSTIC_H): Add options.h.
1148 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
1150 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
1151 (ssa_ro_call_cache_valid): Ditto.
1152 * tree-ssa-alias.c (sort_tags_by_id): New function.
1153 (init_transitive_clobber_worklist): Ditto.
1154 (add_to_worklist): Ditto.
1155 (mark_aliases_call_clobbered): Ditto.
1156 (compute_tag_properties): Ditto.
1157 (set_initial_properties): Ditto.
1158 (compute_call_clobbered): Ditto.
1159 (compute_may_aliases): Call compute_call_clobbered and grouping.
1160 (compute_flow_sensitive_aliasing): Remove clobbering related code.
1161 (compute_flow_insensitive_aliasing): Grouping now happens in our
1163 (setup_pointers_and_addressables): Remove clobbering related code.
1164 (add_may_alias): Ditto.
1165 (replace_may_alias): Ditto.
1166 (get_nmt_for): Ditto.
1167 (create_global_var):
1168 (is_escape_site): Return an escape_type enumeration.
1169 * tree-flow-inline.h (is_call_clobbered): Global var does not
1170 imply call clobbered.
1171 (mark_call_clobbered): Take a reason for marking this. Remove
1172 marking of globalness, and cache invalidation.
1173 (clear_call_clobbered): Remove cache invalidation code.
1174 * tree-dfa.c (dump_variable): If details is on, dump the reason
1176 * tree-outof-ssa.c (create_temp): Copy escape mask from original
1178 * tree-flow.h (struct ptr_info_def): Add escape mask member.
1179 (struct var_ann_d): Ditto.
1180 (enum escape_type): New.
1181 (mark_call_clobbered): Adjust prototype.
1182 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
1183 are never call clobbered.
1184 Record reasons for escaping.
1185 * tree-ssa-structalias.h (is_escape_site): Update prototype.
1186 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
1187 (ssa_ro_call_cache_valid): Ditto.
1188 (clobbered_v_may_defs): Ditto.
1189 (clobbered_vuses): Ditto.
1190 (ro_call_vuses): Ditto.
1191 (clobber_stats): New.
1192 (init_ssa_operands): Zero out clobber stats.
1193 (fini_ssa_operands): Print out clobber stats.
1194 (get_call_expr_operands): Pass callee fndecl to
1196 (add_call_clobber_ops): Remove use of cache.
1197 Add use of PURE_CONST information.
1198 (add_call_read_ops): Remove use of cache.
1199 Add use of static not_read information.
1201 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
1203 Introduce TLS descriptors for i386 and x86_64.
1204 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
1205 (TARGET_ANY_GNU_TLS): New macro.
1206 (enum tls_dialect): Added TLS_DIALECT_GNU2.
1207 (struct machine_function): Add tls_descriptor_call_expanded_p.
1208 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
1209 (ix86_current_function_calls_tls_descriptor): Likewise.
1210 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
1211 (override_options): Introduce gnu2 tls dialect.
1212 (ix86_frame_pointer_required): Functions containing TLSCALLs are
1214 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
1216 (legitimize_tls_address): Adjust logic for GNU2 TLS.
1217 (ix86_init_machine_status): Initialize new field.
1218 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
1219 (ix86_tls_module_base): New.
1220 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
1221 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
1222 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
1223 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
1224 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
1225 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
1226 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
1227 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
1228 * config/i386/predicates.md (tls_modbase_operand): New.
1229 (tp_or_register_operand): New.
1231 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
1233 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
1234 (look_for_address_of): Ditto.
1235 (ipa_init): Walk the function decls.
1236 (static_execute): Don't set readonly on FUNCTION_DECL's.
1238 2006-01-18 Roger Sayle <roger@eyesopen.com>
1240 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
1241 for shifts where the source and destination registers are different.
1243 2006-01-18 Paul Brook <paul@codesourcery.com>
1245 Merge from csl-arm-branch.
1246 2005-03-14 Julian Brown <julian@codesourcery.com>
1247 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
1248 (aeabi_llsl): Likewise.
1249 (ashrdi3): Likewise.
1250 (aeabi_lasr): Likewise.
1251 (lshrdi3): Likewise.
1252 (aeabi_llsr): Likewise.
1253 2005-03-10 Julian Brown <julian@codesourcery.com>
1254 * config.gcc: Disable shared libgcc for SymbianOS.
1255 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
1257 2006-01-18 DJ Delorie <dj@redhat.com>
1259 * c-pragma.c (handle_pragma_diagnostic): New.
1260 (init_pragma): Register it.
1261 * doc/extend.texi: Document it.
1263 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
1264 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
1265 (diagnostic_context): Add classify_diagnostic[].
1266 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
1267 as errors if they're overridden to DK_WARNING.
1268 (diagnostic_initialize): Initialize classify_diagnostic[].
1269 (diagnostic_set_kind_override): New.
1270 (diagnostic_report_diagnostic): Check for kind changes.
1271 * opts.c (common_handle_option): Take lang_mask. Update callers.
1273 * common.opt (Werror=): New.
1274 * doc/invoke.texi: Document -Werror=*
1276 2006-01-18 Jeff Law <law@redhat.com>
1278 * tree-vrp.c (test_for_singularity): Correct test for new
1279 min limit. Use operand_equal_p rather than pointer equality
1280 for testing if new min/max values are equal.
1282 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
1283 using range information until after propagation and folding.
1285 2006-01-18 Richard Henderson <rth@redhat.com>
1286 Aldy Hernandez <aldyh@redhat.com>
1287 Jakub Jelinek <jakub@redhat.com>
1288 Diego Novillo <dnovillo@redhat.com>
1290 * omp-low.c: New file.
1291 * c-omp.c: New file.
1293 2006-01-18 Richard Henderson <rth@redhat.com>
1294 Jakub Jelinek <jakub@redhat.com>
1295 Diego Novillo <dnovillo@redhat.com>
1297 * doc/invoke.texi: Document -fopenmp.
1298 * tree-dump.h (debug_function): Declare.
1299 * hooks.c (hook_bool_tree_bool_false): New function.
1300 (hook_tree_tree_null): Remove.
1301 (hook_tree_tree_tree_null): New.
1302 * hooks.h: Update to match.
1303 * tree-pretty-print.c (debug_tree_chain): New.
1304 (print_generic_expr): Handle TDF_CHAIN.
1305 (dump_generic_node): Handle BLOCK.
1306 Do not abort with incomplete SWITCH_EXPRs.
1307 Do not dump body of an OpenMP directive if TDF_SLIM is given.
1308 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
1309 print space after directive name.
1310 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
1311 Handle OMP_MASTER and OMP_ORDERED.
1312 Handle printing of OMP_BODY just in one place, goto
1313 dump_omp_body in the rest of OMP_* nodes that have
1315 Don't handle clause nodes here. Update omp statements to
1316 use dump_omp_clauses.
1317 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
1318 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
1319 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
1320 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
1321 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
1322 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
1323 Adjust output for GOMP_PARALLEL.
1324 (dump_omp_clauses): New.
1325 (print_declaration): Dump DECL_VALUE_EXPR.
1326 (op_symbol_1): Split out of op_symbol.
1327 (dumping_stmts): Remove. Update all users.
1328 * cgraph.c (cgraph_analyze_queue): New.
1329 (cgraph_add_new_function): New.
1330 * cgraph.h (cgraph_analyze_queue): Declare.
1331 (cgraph_add_new_function): Declare.
1332 (cgraph_lower_function): Remove.
1333 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
1334 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
1335 and TYPE_P nodes in its default clause.
1336 (empty_body_p): New.
1337 (tree_range_check_failed): New.
1339 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
1340 OMP_CLAUSE_REDUCTION_MERGE,
1341 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
1342 OMP_CLAUSE_PRIVATE_DEBUG,
1343 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
1344 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
1345 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
1346 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
1347 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
1348 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
1349 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
1350 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
1351 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
1352 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
1353 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
1354 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
1355 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
1356 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
1357 (TREE_RANGE_CHECK): New.
1358 (empty_body_p): Declare.
1359 (enum omp_clause_default_kind): New.
1360 (build_string_literal): Declare.
1361 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
1362 (build5_stat, build5): Declare.
1363 * tree-pass.h (TDF_CHAIN): Define.
1364 * tree-pass.h (PROP_gimple_lomp): Define.
1365 (pass_lower_omp): Declare.
1366 * diagnostic.h (debug_tree_chain): Declare.
1367 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
1369 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
1370 * builtins.c (build_string_literal): Make extern.
1371 * gcc.c (include_spec_function): New.
1372 (static_spec_functions): Add it.
1373 (main): Move load of libgomp.spec ...
1374 (LINK_COMMAND_SPEC): ... here.
1375 (link_gomp_spec): New.
1376 (static_specs): Include it.
1377 (LINK_COMMAND_SPEC): Add link_gomp.
1378 (GOMP_SELF_SPECS): New.
1379 (driver_self_specs): Include it.
1380 (switch_matches): Don't mark inline.
1381 (main): Load libgomp.spec.
1382 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
1383 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
1384 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
1385 * tree-gimple.h (enum omp_parallel): Declare.
1386 (determine_parallel_type): Declare.
1387 (omp_firstprivatize_variable): Declare.
1388 (omp_reduction_init): Declare.
1389 (diagnose_omp_structured_block_errors): Declare.
1390 (struct walk_stmt_info): Add want_return_expr.
1391 (struct walk_stmt_info): Add want_bind_expr, want_locations.
1392 (find_omp_clause): Declare.
1393 (insert_field_into_struct): Declare.
1394 (struct walk_stmt_info): Move from tree-nested.c
1395 (walk_stmts): Declare.
1396 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
1398 * cgraphunit.c (cgraph_lower_function): Make static.
1399 (cgraph_finalize_pending_functions): New.
1400 (cgraph_finalize_function): Call it.
1401 (cgraph_finalize_compilation_unit): Likewise.
1402 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
1403 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
1404 (BT_FN_UINT_UINT): New.
1405 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
1406 DEF_FUNCTION_TYPE_VAR_4): Document.
1407 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
1408 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
1409 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
1410 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
1411 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
1412 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
1413 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
1414 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
1415 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
1416 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
1417 into separate files.
1418 (DEF_GOMP_BUILTIN): New.
1419 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
1420 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
1421 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
1422 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
1423 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
1424 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
1425 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
1426 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
1427 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
1428 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
1429 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
1430 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
1431 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
1432 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
1433 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
1434 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
1435 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
1436 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
1437 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
1438 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
1439 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
1440 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
1441 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
1442 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
1443 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
1444 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
1445 * sync-builtins.def: New file, moved from builtins.def.
1446 * omp-builtins.def: New file, moved from builtins.def.
1447 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
1448 * gimple-low.c (lower_function_body): Clear data.
1449 (lower_stmt): Do not handle COMPOUND_EXPR.
1450 Remove call to print_node_brief.
1451 * c-tree.h (c_finish_omp_clauses): New prototype.
1452 (C_DECL_THREADPRIVATE_P): Define.
1453 (lookup_name_no_remap, c_omp_remap_private): Remove
1454 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
1455 (check_for_loop_decls): Update decl.
1456 (lookup_name_no_remap, c_omp_remap_private): Declare.
1457 (build_indirect_ref, build_modify_expr, pushdecl,
1458 pushdecl_top_level): Move to c-common.h.
1459 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
1460 before the switch, but just in the 2 places that need it.
1461 * c-decl.c (diagnose_mismatched_decls): Do not check for
1462 mismatched thread-local attributes when OLDDECL is marked
1463 threadprivate and NEWDECL has no thread-local attributes.
1464 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
1465 (c_gimple_diagnostics_recursively): Rename from
1466 c_warn_unused_result_recursively. Invoke
1467 diagnose_omp_structured_block_errors.
1468 (check_for_loop_decls): Return a singular decl found.
1469 * langhooks.c (lhd_omp_predetermined_sharing): Return
1470 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
1471 (lhd_omp_firstprivatize_type_sizes): New.
1472 (lhd_omp_assignment): New.
1473 (lhd_omp_predetermined_sharing): New.
1474 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
1475 (struct lang_hooks_for_types): Add
1476 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
1477 omp_predetermined_sharing, omp_disregard_value_expr,
1478 omp_private_debug_clause, omp_clause_default_ctor,
1479 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
1480 (c_finish_omp_clauses): New.
1481 (c_finish_bc_stmt): Diagnose break within omp for.
1482 (c_begin_omp_parallel, c_finish_omp_parallel): New.
1483 (build_unary_op): Return error_mark after reporting
1485 (build_modify_expr): Likewise.
1486 * gimplify.c: Include optabs.h and pointer-set.h.
1487 (enum gimplify_omp_var_data): Declare.
1488 (struct gimplify_omp_ctx): Declare.
1489 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
1491 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
1492 (push_gimplify_context, pop_gimplify_context): Allow nesting.
1493 (splay_tree_compare_decl_uid): New.
1494 (new_omp_context): New.
1495 (delete_omp_context): New.
1496 (gimple_add_tmp_var): Call omp_add_variable.
1497 (gimplify_bind_expr): Likewise.
1498 (gimplify_var_or_parm_decl): If omp_notice_variable returned
1499 true, disregard DECL_VALUE_EXPR on the decl if any.
1500 (gimplify_expr_in_ctx): New.
1501 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
1502 omp_add_variable, omp_notice_variable, omp_is_private
1503 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
1504 gimplify_adjust_omp_clauses, gimplify_omp_parallel
1505 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
1506 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
1507 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
1508 gimplify_omp_atomic): New.
1509 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1510 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1511 OMP_CRITICAL and OMP_ATOMIC.
1512 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
1513 * c-pragma.h (enum pragma_kind): Add
1514 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
1515 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
1516 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
1517 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
1518 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
1519 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
1520 PRAGMA_OMP_THREADPRIVATE.
1521 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
1522 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
1523 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
1524 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
1525 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
1526 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
1527 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
1528 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
1529 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
1530 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
1531 * tree-ssa-dce.c (find_control_dependence): Do not assume that
1532 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
1533 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
1535 (struct nesting_info): Add field_map,
1536 suppress_expansion, debug_var_chain.
1537 (create_nesting_tree): Initialize them.
1538 (lookup_field_for_decl): Use field_map.
1539 (get_nonlocal_debug_decl, get_local_debug_decl): New.
1540 (convert_local_omp_clauses): New.
1541 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
1542 (walk_body): Split out of walk_function.
1543 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
1544 (convert_nonlocal_reference): Handle omp statements.
1545 (convert_local_reference): Likewise.
1546 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
1547 (unnest_nesting_tree): New.
1548 (lower_nested_functions): Call it.
1549 (insert_field_into_struct): Make extern.
1550 (struct walk_stmt_info): Move to tree-gimple.h.
1551 (walk_stmts): Make extern.
1552 * omp-builtins.def: New file.
1553 * tree-iterator.c (expr_only): Clarify comment.
1554 * c-common.h (pushdecl_top_level, pushdecl,
1555 build_modify_expr, build_indirect_ref,
1556 c_finish_omp_master, c_finish_omp_critical,
1557 c_finish_omp_ordered, c_finish_omp_barrier,
1558 c_finish_omp_atomic, c_finish_omp_flush,
1559 c_finish_omp_for, c_split_parallel_clauses,
1560 omp_clause_default_kind, c_omp_sharing_predetermined,
1561 c_omp_remap_decl): Declare.
1562 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
1563 (OBJS-common): Add omp-low.o.
1564 (c-omp.o, omp-low.o): Add.
1565 (gimplify.o): Add dependency on $(OPTABS_H).
1566 (GTFILES): Add omp-low.c.
1567 (gt-stringpool.h): Add.
1568 * tree-cfg.c (set_bb_for_stmt): Do not update the
1569 block-to-labels map if we are currently expanding to RTL.
1570 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
1572 Handle IDENTIFIER_NODE.
1573 (tree_verify_flow_info): Do not ICE when emitting error
1574 messages about invalid labels.
1575 (dump_function_to_file): Reset CFUN before emitting the body
1577 (debug_function): New.
1578 * passes.c (init_optimization_passes): Schedule
1580 * langhooks-def.h (lhd_omp_predetermined_sharing,
1581 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
1583 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
1584 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
1585 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
1586 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
1587 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
1588 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
1589 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
1590 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
1591 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
1592 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
1593 (LANG_HOOK_DECLS): Use them.
1595 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
1596 Richard Henderson <rth@redhat.com>
1597 Jakub Jelinek <jakub@redhat.com>
1598 Diego Novillo <dnovillo@redhat.com>
1600 * c-parser.c (pragma_omp_clause): Define.
1601 (c_parser_declaration_or_fndef): Document OpenMP syntax.
1602 (c_parser_compound_statement): Likewise.
1603 (c_parser_statement): Likewise.
1604 (c_parser_pragma): Handle omp pragmas.
1605 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
1606 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
1607 (c_parser_omp_clause_name, check_no_duplicate_clause,
1608 c_parser_omp_variable_list,
1609 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
1610 c_parser_omp_clause_copyprivate,
1611 c_parser_omp_clause_default,
1612 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
1613 c_parser_omp_clause_lastprivate,
1614 c_parser_omp_clause_nowait,
1615 c_parser_omp_clause_num_threads,
1616 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
1617 c_parser_omp_clause_reduction,
1618 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
1619 c_parser_omp_all_clauses, c_parser_omp_structured_block,
1620 c_parser_omp_atomic, c_parser_omp_barrier,
1621 c_parser_omp_critical, c_parser_omp_flush,
1622 c_parser_omp_for_loop, c_parser_omp_for,
1623 c_parser_omp_master, c_parser_omp_ordered,
1624 c_parser_omp_sections_scope, c_parser_omp_sections,
1625 c_parser_omp_parallel, c_parser_omp_single,
1626 c_parser_omp_construct, c_parser_omp_threadprivate): New.
1627 * c-pragma.c (init_pragma): Do omp pragma registration here.
1628 * c.opt (fopenmp): New flag.
1630 2006-01-18 Eric Christopher <echristo@apple.com>
1632 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
1633 * config/darwin.h (GOMP_SELF_SPECS): Define.
1635 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1637 * rtl.h: Remove the prototype for reg_alloc.
1639 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1642 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
1643 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
1644 sjlj and dwarf2 exception handling.
1645 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
1646 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
1647 * pa/pa.c (function_value): Treat complex and vector types as
1649 (function_arg): Likewise. Only pass scalar floats in the floating
1650 point argument registers.
1651 * pa/t-slibgcc-dwarf-ver: New file.
1652 * pa/t-slibgcc-sjlj-ver: New file.
1653 * pa/t-slibgcc-elf-ver: Delete file.
1655 2006-01-19 Alan Modra <amodra@bigpond.net.au>
1657 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
1658 unlikely_test_section_p test.
1660 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1662 * mode-switching.c (optimize_mode_switching): Make it static.
1663 * basic-block.h: Remove the prototype for
1664 optimize_mode_switching.
1666 * modulo-sched.c (sms_schedule): Make it static.
1667 * rtl.h: Remove the prototype for sms_schedule.
1669 * postreload-gcse.c (gcse_after_reload_main): Make it static.
1670 * rtl.h: Remove the prototype for gcse_after_reload_main.
1672 * reg-stack.c (reg_to_stack): Make it static.
1673 * rtl.h: Remove the prototype for reg_to_stack.
1675 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
1677 * rtl.h: Remove the prototypes for regrename_optimize and
1678 copyprop_hardreg_forward.
1680 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
1682 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
1683 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
1684 Test against the appropriate null constant for the mode.
1685 If 'fixup_overlap' is true, swap the operands if they overlap.
1686 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
1687 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
1688 alpha_split_tmode_pair and adjust for above change.
1689 * config/alpha/alpha.md (movtf_internal): Adjust call to
1690 alpha_split_tfmode_pair and rely on it to swap the operands.
1691 (movti_internal): New insn and post-reload splitter.
1692 (movti): New expander.
1694 2006-01-18 Philippe De Muyter <phdm@macqel.be>
1696 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
1699 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1701 * rtlanal.c (global_reg_mentioned_p_1,
1702 global_reg_mentioned_p): Remove.
1703 * rtl.h: Remove the prototype for global_reg_mentioned_p.
1705 * flow.c (initialize_uninitialized_subregs): Make it static.
1706 * rtl.h: Remove the prototype for
1707 initialize_uninitialized_subregs.
1709 * function.c (instantiate_virtual_regs): Make it static.
1710 * function.h: Remove the prototype for
1711 instantiate_virtual_regs.
1713 * regmove.c (regmove_optimize, combine_stack_adjustments):
1715 * rtl.h: Remove the prototypes for regmove_optimize and
1716 combine_stack_adjustments.
1718 2006-01-17 Roger Sayle <roger@eyesopen.com>
1720 * config/i386/i386.c (COSTS_N_BYTES): New macro.
1721 (size_cost): Encode costs in bytes so that a reg-reg addition is
1722 equivalent to COSTS_N_INSNS(1).
1723 (override_options): Use the size_cost.branch_cost as the default
1724 ix86_branch_cost when optimizing for size.
1726 2006-01-18 Ben Elliston <bje@au.ibm.com>
1728 * Makefile.in (D32PBIT_FUNCS): New.
1729 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
1730 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
1731 D64PBIT_FUNCS and D128PBIT_FUNCS.
1732 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
1733 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
1735 (decnumber_dep): Define.
1736 * doc/libgcc.texi (Decimal float library routines): New node.
1737 * config/dfp-bit.h, config/dfp-bit.c: New files.
1739 2006-01-18 Ben Elliston <bje@au.ibm.com>
1741 * expr.c (emit_move_change_mode): Always adjust addresses, not
1742 just during reload. Copy replacements only during reload.
1743 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
1744 emit_move_via_integer.
1746 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
1748 * Makefile.in (check-%, check-consistency): Use $${srcdir}
1749 instead of $(srcdir) and ${srcdir}.
1751 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
1755 * arm.h (struct machine_function): Add pic_reg.
1756 * arm.c (arm_pic_register): Make unsigned.
1757 (arm_override_options): Only set arm_pic_register if
1758 TARGET_SINGLE_PIC_BASE.
1759 (use_return_insn): Only test for a pic register if it is fixed.
1760 (arm_compute_save_reg0_reg12_mask): Likewise.
1761 (thumb_compute_save_reg_mask): Likewise.
1762 (legitimate_pic_operand): Factor out some known invariants.
1763 (legitimize_pic_address): If we don't have a fixed pic register,
1764 then set up a pseudo in the function entry sequence. Handle the
1765 pic base being in a pseudo.
1766 (arm_load_pic_register): Handle the pic register being in a pseudo.
1767 (arm_expand_prologue): Only set up the pic register if it is fixed.
1768 (thumb_expand_prologue): Likewise.
1769 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
1770 (pic_load_addr_based_insn): Likewise.
1771 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
1774 2006-01-18 Ben Elliston <bje@au.ibm.com>
1776 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
1777 decimal float modes for all floating point registers.
1779 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
1780 match_code "mem" with match_test "macho_lo_sum_memory_operand".
1782 2006-01-17 Jakub Jelinek <jakub@redhat.com>
1785 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
1786 even when the pointer is not NULL.
1788 2006-01-16 Ian Lance Taylor <ian@airs.com>
1790 * common.opt (ftoplevel-reorder): New option.
1791 * cgraph.c (cgraph_asm_nodes): New global variable.
1792 (cgraph_asm_last_node): New static variable.
1793 (cgraph_order): New global variable.
1794 (cgraph_create_node): Set new order field.
1795 (cgraph_varpool_node): Likewise.
1796 (decide_is_variable_needed): Return true if not
1797 flag_toplevel_reorder.
1798 (cgraph_add_asm_node): New function.
1799 * cgraph.h (struct cgraph_node): Add order field.
1800 (struct cgraph_varpool_node): Add order field.
1801 (struct cgraph_asm_node): Define.
1802 (cgraph_asm_nodes, cgraph_order): Declare.
1803 (cgraph_add_asm_node): Declare.
1804 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
1806 (cgraph_varpool_assemble_pending_decls): Call it.
1807 (cgraph_output_pending_asms): New static function.
1808 (cgraph_finalize_compilation_unit): Call it.
1809 (struct cgraph_order_sort): Define.
1810 (cgraph_output_in_order): New static function.
1811 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
1812 !flag_toplevel_reorder case.
1813 * c-parser.c: Include "cgraph.h".
1814 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
1816 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
1817 than -fno-unit-at-a-time.
1818 * doc/invoke.texi (Option Summary): Mention
1819 -fno-toplevel-reorder.
1820 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
1821 -funit-at-a-time documentation.
1823 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
1824 Kazu Hirata <kazu@codesourcery.com>
1826 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
1828 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
1830 * Makefile.in (FUNCTION_H): New. Use it instead of
1831 function.h throughout the file.
1832 * function.h: Include tree.h.
1834 2006-01-17 Ben Elliston <bje@au.ibm.com>
1836 * recog.c: Separate some functions with whitespace.
1838 2006-01-16 Richard Henderson <rth@redhat.com>
1840 Merge from gomp branch:
1841 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
1842 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
1843 and rename from struct inline_data. Rename callee* to dst*;
1844 caller* to src*; add copy_decl hook, transform_call_graph_edges,
1845 transform_new_cfg, transform_return_to_modify, and
1846 transform_lang_insert_block flags; remove cloning_p, versioning_p,
1848 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
1849 (copy_decl_for_dup): Remove.
1850 * tree-inline.c (struct inline_data): Move to header.
1851 (insert_decl_map): Export.
1852 (remap_decl): Update for member name changes. Use copy_decl hook.
1853 Allow for replacement to be a non-decl. Remove dead code.
1854 (remap_type_1): Check for existing mapping.
1855 (remap_type): Export.
1856 (remap_decls): Update for member name changes.
1857 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
1858 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
1859 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
1860 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
1861 (tree_function_versioning, build_duplicate_type): Likewise.
1862 (copy_body_r): Likewise. Export.
1863 (copy_decl_for_dup): Split into ...
1864 (copy_decl_for_dup_finish, copy_decl_to_var,
1865 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
1866 (replace_ref_tree, inlining_p): Remove.
1868 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1870 * ifcvt.c (if_convert): Make it static.
1871 * rtl.h: Remove the prototype for if_convert.
1873 * local-alloc.c (local_alloc): Make it static.
1874 * rtl.h: Remove the prototype for local_alloc.
1876 * loop.c (loop_optimize): Make it static.
1877 * cfgloop.h: Remove the prototype for loop_optimize.
1880 2006-01-16 DJ Delorie <dj@redhat.com>
1882 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
1885 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1887 * pa.md: Disparage copies between general and floating-point registers
1888 in 32-bit move patterns.
1890 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
1893 * Makefile.in (check-%): Depend on site.exp instead of
1894 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
1897 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1899 * global.c (global_alloc): Make it static.
1900 * rtl.h: Remove the prototype for global_alloc.
1902 2006-01-16 Richard Guenther <rguenther@suse.de>
1904 * tree-ssa-alias.c (struct used_part): Add write_only field.
1905 (get_or_create_used_part_for): Initialize it to true.
1906 (create_overlap_variables_for): Don't create structure variables
1907 for structures that only are written to.
1908 (find_used_portions): Handle MODIFY_EXPR to track whether a
1909 structure is only written to.
1911 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1913 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
1915 * basic-block.h: Remove the prototype for
1916 partition_hot_cold_basic_blocks.
1918 2006-01-16 Rafael Ãvila de EspÃÂndola <rafael.espindola@gmail.com>
1920 * cppspec.c (lang_specific_spec_functions): Remove.
1921 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
1922 * gcc.h (lang_specific_spec_functions): Remove.
1923 * gccspec.c (lang_specific_spec_functions): Remove.
1925 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
1927 * combine.c (record_value_for_reg): Invalidate registers
1929 (record_dead_and_set_regs_1): Likewise, by passing them to
1930 record_value_for_reg.
1931 (record_dead_and_set_regs): Invalidate stores made by a
1932 call. We do not combine across a call, but we still
1933 relied on equivalences.
1935 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
1937 * tree-vrp.c (extract_range_from_binary_expr): Cope with
1938 vrp_int_const_binop returning non-constant nodes.
1940 2006-01-16 Paul Brook <paul@codesourcery.com>
1942 * config/m68k/m68k.c (output_move_const_into_data_reg):
1943 Output correct mnemonic for mvz and mvs.
1945 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
1947 * rtl-factoring.c: Add sequence abstraction algorithm.
1948 * cfgcleanup.c (outgoing_edges_match): Extra checks.
1949 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
1951 (block_has_preserve_label): New function.
1952 * common.opt: Register new pass.
1953 * Makefile.in: Ditto.
1955 * timevar.def: Ditto.
1956 * tree-pass.h: Ditto.
1957 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
1958 * rtl.h (make_jump_insn_raw): Add forward decl.
1959 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
1961 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
1962 Roger Sayle <roger@eyesopen.com>
1964 * fold-const.c (fold_minmax): New static function.
1965 (fold_binary) <MIN_EXPR>: Call it.
1966 <MAX_EXPR>: Likewise.
1967 * stor-layout.c (place_field): Use DECL_SIZE consistently
1968 in the computation of the new record size.
1970 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1972 * cse.c (cse_condition_code_reg): Make it static.
1973 * rtl.h: Remove the prototype for cse_condition_code_reg.
1975 * combine.c (combine_instructions): Make it static.
1976 * rtl.h: Remove the prototype for combine_instructions.
1978 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1981 * tree.c (get_file_function_name_long): Concatenate the first global
1982 object name with a string derived from the input filename of the object
1985 2006-01-16 Ben Elliston <bje@au.ibm.com>
1987 * config/i386/winnt-stubs.c: Update FSF address.
1988 * config/xtensa/ieee754-df.S: Ditto.
1989 * config/xtensa/ieee754-sf.S: Ditto.
1991 2006-01-14 Ian Lance Taylor <ian@airs.com>
1993 * ifcvt.c (noce_init_if_info): New static function, broken out of
1994 noce_process_if_block.
1995 (noce_process_if_block): Call noce_init_if_info.
1996 (check_cond_move_block): New static function.
1997 (cond_move_process_if_block): New static function.
1998 (process_if_block): Call cond_move_process_if_block.
2000 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
2002 * cselib.c (hash_table): Rename to cselib_hash_table.
2003 (cselib_clear_table, discard_useless_values,
2004 remove_useless_values, cselib_lookup_mem, cselib_lookup,
2005 cselib_init, cselib_finish): Adjust uses of hash_table.
2007 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
2009 PR tree-optimization/25485
2010 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
2011 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
2012 is known to be false and true, respectively.
2014 2006-01-14 Richard Guenther <rguenther@suse.de>
2016 PR tree-optimization/22548
2017 PR tree-optimization/22555
2018 PR tree-optimization/22501
2019 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
2020 * params.def (salias-max-array-elements): New parameter.
2021 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
2022 * doc/invoke.texi (salias-max-array-elements): Document.
2023 * tree-flow-inline.h (var_can_have_subvars): We also handle
2025 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
2027 * tree-ssa-structalias.c (params.h): Include.
2028 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
2029 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
2030 (get_constraint_for): For ADDR_EXPR operating on something
2031 containing an ARRAY_REF, add all subvars to the solution.
2032 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
2033 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
2034 for creating MUST_DEFs.
2035 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
2037 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
2039 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
2041 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
2042 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2043 number_of_iterations_le): New functions.
2044 (number_of_iterations_special): Removed.
2045 (number_of_iterations_exit): Do not use number_of_iterations_special.
2046 * tree.c (unsigned_type_for): Always return integer type.
2048 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
2049 Richard Guenther <rguenther@suse.de>
2051 PR rtl-optimization/24257
2052 * gcse.c (find_moveable_store): Only consider a store movable
2053 when the SET_SRC of the insn can be assigned to a register.
2055 2006-01-14 Ian Lance Taylor <ian@airs.com>
2057 * tree.c (tree_not_class_check_failed): New function.
2058 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
2059 (tree_not_class_check_failed): Declare.
2061 2006-01-13 Ian Lance Taylor <ian@airs.com>
2063 * reload1.c (do_output_reload): Add assertion rejecting a
2066 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
2068 * combine.c (struct reg_stat): Add new fields truncation_label and
2070 (record_value_for_reg): Reset truncated_to_mode.
2071 (record_truncated_value): New function.
2072 (check_promoted_subreg): Call it. Rename to check_conversions.
2073 (combine_instructions): Rename check_promoted_subreg to
2075 (reg_truncated_to_mode): New function.
2076 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
2077 (gen_lowpart_or_truncate): New function.
2078 (force_to_mode): Use it instead of gen_lowpart.
2080 2006-01-13 Diego Novillo <dnovillo@redhat.com>
2082 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
2083 VAR is a tag, not its type tag.
2085 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
2087 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
2088 alternatives to match style of other entries.
2089 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
2091 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
2093 PR tree-optimization/25771
2094 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
2097 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
2100 * tree-inline.c (declare_return_variable): If the return variable
2101 was marked as a non gimple complex, set the return slot variable
2102 to be a non gimple comple variable.
2104 2006-01-13 Richard Guenther <rguenther@suse.de>
2106 * builtins.c (expand_builtin_sincos): New function.
2107 (expand_builtin_mathfn_3): Remove dead code, sin and cos
2109 (expand_builtin): Expand sincos using expand_builtin_sincos.
2111 2006-01-12 DJ Delorie <dj@redhat.com>
2113 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
2114 shift counts, separate SI shifts for m32c vs m16c, pass shift type
2115 so that constant shifts can be split.
2116 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
2117 (m32c_valid_pointer_mode): Make static.
2118 (shift_gen_func_for): New.
2119 (m32c_prepare_shift): Use it. Split large const shifts into
2121 * config/m32c/predicates.md (shiftcount_operand): Allow more
2123 (longshiftcount_operand): New.
2124 * doc/md.texi (Machine Constraints): Document In6.
2126 2006-01-13 Ben Elliston <bje@au.ibm.com>
2128 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
2129 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
2132 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
2134 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
2135 to try to avoid clobbering pieces of structures when we know
2136 something about the whole structure.
2137 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
2139 2006-01-13 Ben Elliston <bje@au.ibm.com>
2141 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
2142 return in memory, as this is no limitation is no longer present.
2144 2006-01-12 DJ Delorie <dj@redhat.com>
2146 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
2147 mova with fb, and for fb+0 -> An.
2149 * config/m32c/mov.md (peephole2): Fix enabling logic.
2151 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
2152 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
2153 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
2154 FINI_ARRAY_SECTION_ASM_OP): Define.
2156 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
2158 (m32c_legitimize_reload_address): New logic to reload FB to An.
2159 (m32c_output_reg_push): Add newline.
2160 (m32c_output_reg_pop): Likewise.
2162 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
2164 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
2166 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
2168 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2170 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2172 * config/sh/predicates.md (sh_rep_vec): Add parallel to
2175 2006-01-11 Ben Elliston <bje@au.ibm.com>
2177 * rtlanal.c (find_reg_note): Assert insn is not null.
2179 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2181 * df-scan.c (df_hard_reg_init): Move declaration of i outside
2184 2006-01-11 Jeff Law <law@redhat.com>
2186 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
2188 (mark_threaded_blocks, register_jump_thread): New functions.
2189 (thread_through_all_blocks): Remove unwanted argument. No
2190 longer rely on e->aux to communicate thread target info.
2191 Call mark_threaded_blocks. Release the threaded_blocks
2192 bitmap and threaded_edges vector when complete.
2193 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
2194 (threaded_blocks): Remove.
2195 (tree_ssa_dominator_optimize): Remove initialization and
2196 finalization of threaded_blocks. Simplify call to
2197 thread_through_all_blocks.
2198 (thread_across_edge): Call register_jump_thread rather than
2199 storing thread information into e->aux.
2200 (free_all_edge_infos): Simplify now that e->aux is no longer
2201 used to communicate with thread_through_all_blocks.
2202 * tree-flow.h (thread_through_all_blocks): Update prototype.
2203 (register_jump_thread): Prototype.
2205 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2207 * df-core.c (df_compact_blocks, df_bb_replace): Use
2208 SET_BASIC_BLOCK instead of BASIC_BLOCK.
2210 2006-01-11 Richard Guenther <rguenther@suse.de>
2212 PR tree-optimization/25734
2213 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
2214 stop propagation after successful propagation to the LHS.
2216 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
2218 * basic-block.h (control_flow_graph): Change the type of
2219 x_basic_block_info to VEC(basic_block,gc) *.
2220 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
2222 (SET_BASIC_BLOCK): New.
2223 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
2224 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
2225 * cfgbuild.c (find_basic_blocks): Likewise.
2226 * cfglayout.c (fixup_reorder_chain): Likewise.
2227 * cfgrtl.c (create_basic_block_structure,
2228 rtl_create_basic_block): Likewise.
2229 * ifcvt.c (find_if_case_1): Likewise.
2230 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
2233 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2235 * Makefile.in: Removed rotted odf.c entry.
2237 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
2240 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
2241 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
2242 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
2243 output pattern modifier, not %e.
2244 * config/cris/cris.c (cris_op_str): Update comment about pattern
2246 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
2247 before falling through into...
2248 <case 'E'>: Redefined from old 'e' case.
2250 2006-01-11 Jan Hubicka <jh@suse.cz>
2253 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
2255 2006-01-11 Jan Hubicka <jh@suse.cz>
2257 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
2258 * i386.c (x86_decompose_lea): Kill.
2259 (ix86_rtx_costs): Kill.
2261 2006-01-11 Jan Hubicka <jh@suse.cz>
2263 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
2264 * cgraph.h (cgraph_node): Add inline_decl.
2265 (cgraph_insert_node_to_hashtable): Declare.
2266 (save_inline_function_body): Declare.
2267 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
2269 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
2270 (cgraph_function_versioning): Update call of tree_function_versioning.
2271 (save_inline_function_body): New function.
2272 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
2273 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
2274 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
2275 (cgraph_default_inline_p): Likewise.
2276 (cgraph_decide_inlining_incrementally): Likewise.
2277 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
2278 (copy_bb): Kill saving; do updating of clones.
2279 (copy_cfg_body): Kill saving.
2280 (initialize_inlined-parameters): Likewise.
2281 (expand_call_inline): Likewise.
2283 (tree_function_versioning): New parameter "update_clones".
2284 (inlining_p): Kill saving.
2285 * tree-inline.h (tree_function_versioning): Update prototype.
2286 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
2289 2006-01-11 Ian Lance Taylor <ian@airs.com>
2291 * combine.c (struct undo): Remove is_int. Enumify types of undos.
2292 Allow undoing set of machine mode.
2293 (do_SUBST): Use enums instead of is_int.
2294 (do_SUBST_MODE): New function.
2295 (SUBST_MODE): New macro.
2296 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
2297 reg and trying to replace reg_regno_rtx with a new register.
2298 (undo_all): Use new enums, handle undoing a PUT_MODE change.
2299 (simplify_set): Use SUBST_MODE.
2300 (distribute_notes): Remove code that tried to update reg notes
2301 for regno_reg_rtx changes.
2303 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
2305 PR tree-optimization/23109
2306 PR tree-optimization/23948
2307 PR tree-optimization/24123
2309 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
2310 * tree-cfg.c (single_noncomplex_succ): New.
2311 * tree-flow.h (single_noncomplex_succ): Declare it.
2312 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2313 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
2314 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
2315 insert_bb, register_division_in, insert_reciprocals,
2316 replace_reciprocal, free_bb): New.
2317 (execute_cse_reciprocals_1): Rewritten.
2318 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
2319 Do not commit any edge insertion. Always compute dominators and
2320 create the allocation pool.
2321 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
2322 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
2323 * targhooks.c (default_min_divistions_for_recip_mul): New.
2324 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
2325 * passes.c (init_optimization_passes): Run recip after tree loop
2327 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
2329 2006-01-11 Danny Berlin <dberlin@dberlin.org>
2330 Kenneth Zadeck <zadeck@naturalbridge.com>
2332 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
2333 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
2334 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
2335 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
2336 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
2337 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
2338 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
2339 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
2340 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
2341 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
2342 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
2343 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
2344 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
2345 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
2346 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
2347 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
2348 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
2349 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
2350 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
2351 DF_SCAN_POST_ALLOC): New macros.
2352 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
2353 df_free_bb_function, df_local_compute_function, df_init_function,
2354 df_dataflow_function, df_confluence_function_0,
2355 df_confluence_function_n, df_transfer_function,
2356 df_finalizer_function, df_free_function, df_dump_problem_function,
2357 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
2358 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
2359 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
2360 df_urec_bb_info, ) New types.
2361 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
2363 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
2364 df_analyze_simple_change_some_blocks,
2365 df_analyze_simple_change_one_block, df_compact_blocks,
2366 df_bb_replace, df_bb_regno_last_use_find,
2367 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
2368 df_insn_regno_def_p, df_find_def, df_find_use,
2369 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
2370 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
2371 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
2372 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
2373 debug_df_chain, df_get_dependent_problem, df_chain_create,
2374 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
2375 df_grow_bb_info, df_chain_dump, df_print_bb_index,
2376 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
2377 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
2378 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
2379 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
2380 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
2381 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
2382 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
2383 df_ref_remove, df_insn_refs_delete, df_refs_delete,
2384 df_reorganize_refs, df_set_state, df_hard_reg_init,
2385 df_read_modify_subreg_p) New public functions.
2386 * df-core.c: The core dataflow solver and glue routines for rtl
2388 (df_init, df_add_problem, df_set_blocks, df_finish,
2389 df_hybrid_search_forward, df_hybrid_search_backward,
2390 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
2391 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
2392 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
2393 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
2394 df_reg_defined, df_find_use, df_reg_used, df_dump,
2395 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
2396 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
2397 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
2398 debug_df_useno, reset_df_after_reload): New functions.
2399 * df-scan.c: The scanning fuctions, once in df.c, completely
2400 rewritten so that they now fully model the functionality of
2401 register usage at the backend.
2402 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
2403 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
2404 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
2405 df_grow_insn_info, df_rescan_blocks, df_ref_create,
2406 df_get_artificial_defs, df_get_artificial_uses,
2407 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
2408 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
2409 df_refs_delete, df_reorganize_refs, df_set_state,
2410 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
2411 df_def_record_1, df_defs_record, df_uses_record,
2412 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
2413 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
2414 df_record_exit_block_uses, df_hard_reg_init): New functions.
2416 * df-problems.c: Seven concrete dataflow problems that use the
2417 scanning in df-scan.c and are solved by the engine in df-core.c.
2418 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
2419 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
2420 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
2421 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
2422 df_ru_free_bb_info, df_ru_alloc,
2423 df_ru_bb_local_compute_process_def,
2424 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
2425 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
2426 df_ru_transfer_function, df_ru_free, df_ru_dump,
2427 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
2428 df_rd_free_bb_info, df_rd_alloc,
2429 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
2430 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
2431 df_rd_transfer_function, df_rd_free, df_rd_dump,
2432 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
2433 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
2434 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
2435 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
2436 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
2437 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
2438 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
2439 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
2440 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
2441 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
2442 df_urec_mark_reg_change, df_urec_check_earlyclobber,
2443 df_urec_mark_reg_use_for_earlyclobber,
2444 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
2445 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
2446 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
2447 df_urec_dump, df_urec_add_problem, df_chain_alloc,
2448 df_chain_create_bb_process_use, df_chain_create_bb,
2449 df_chain_finalize, df_chain_free, df_chains_dump,
2450 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
2451 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
2452 df_reg_lifetime): New functions.
2453 * df.c: Deleted file.
2454 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
2455 consistent with new df api.
2456 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
2457 rest_of_handle_sms): Ditto.
2458 * web.c (unionfind_union, union_defs, entry_register, web_main):
2460 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
2461 invariant_expr_equal_p, find_defs, check_dependencies,
2462 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
2463 free_inv_motion_data, move_loop_invariants): Ditto.
2464 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
2465 Update dependencies.
2466 (odf.c): Added defective entry that was deleted later in day.
2467 * sched-deps.c (sched_analyze_1): Ditto.
2469 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
2471 * tree-ssa-operands.c (get_expr_operands): Record addressable
2472 variables directly. Do not call add_stmt_operands for CONST_DECLs
2474 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
2475 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
2477 2006-01-11 Ben Elliston <bje@au.ibm.com>
2479 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
2480 function returns true in the positive case.
2482 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2485 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
2486 for SI, DI, SF and DF modes. Add alternatives to copy between
2487 general and floating point registers to the 32-bit patterns.
2488 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
2489 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
2490 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
2491 generating 64-bit code.
2492 * config/pa/pa.c (output_move_double): Handle copies between general
2493 and floating registers.
2495 2006-01-10 Stuart Hastings <stuart@apple.com>
2497 * config/i386/i386.md (set_got): Update.
2498 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
2499 (builtin_setjmp_receiver): Mach-O support.
2500 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
2501 (GOT_SYMBOL_NAME): Define.
2502 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
2503 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
2504 * config/i386/i386.c (override_options): Revise for Darwin.
2505 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
2506 support. (darwin_x86_file_end): New. (output_set_got): Add label
2507 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
2508 * config/i386/i386-protos.h (output_set_got): Likewise.
2509 * config/darwin.c (machopic_legitimize_pic_address): Update
2512 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
2514 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
2515 when MODE isn't BLKmode.
2517 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2519 PR rtl-optimization/25367
2520 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
2522 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
2525 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
2526 for a negative bound.
2528 2006-01-10 Richard Guenther <rguenther@suse.de>
2530 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2531 Never override with anything constraint.
2533 2006-01-10 Jan Beulich <jbeulich@novell.com>
2535 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
2536 256 bits when optimize_size.
2538 2006-01-10 Jan Beulich <jbeulich@novell.com>
2540 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
2542 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
2543 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
2546 2006-01-10 Ben Elliston <bje@au.ibm.com>
2548 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
2550 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
2551 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
2552 (USE_FP_FOR_ARG): Reject decimal float modes.
2553 (function_arg_advance): Likewise.
2554 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
2555 (rs6000_handle_altivec_attribute): Do not permit decimal floating
2556 point types in AltiVec vectors.
2557 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
2558 (rs6000_libcall_value): Likewise.
2560 2006-01-09 Bob Wilson <bob.wilson@acm.org>
2562 * config/xtensa/ieee754-df.S: New file.
2563 * config/xtensa/ieee754-sf.S: New file.
2564 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
2565 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
2566 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
2568 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
2570 * config/sh/predicates.md (binary_float_operator,
2571 binary_logical_operator, commutative_float_operator,
2572 equality_comparison_operator, greater_comparison_operator,
2573 less_comparison_operator, logical_operator,
2574 noncommutative_float_operator, shift_operator,
2575 symbol_ref_operand, unary_float_operator): Remove redundant
2578 2006-01-09 Jeff Law <law@redhat.com>
2580 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
2581 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
2582 now unused arguments. Callers updated.
2583 (eliminate_redundant_computations): Remove now unused arguments,
2585 (local_fold): Remove, no longer used.
2586 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
2588 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
2589 (simplify_cond): New function.
2590 (forward_propagate_into_cond): Call simplify_cond.
2592 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
2594 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
2595 (*vec_extractv2di_1_sse): New.
2597 2006-01-09 Ben Elliston <bje@au.ibm.com>
2599 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
2601 2006-01-08 Richard Guenther <rguenther@suse.de>
2603 * tree-ssa-structalias.c (get_constraint_for): Remove
2605 (get_constraint_for_component_ref): Likewise.
2606 (do_deref): Likewise.
2607 (get_constraint_for): Likewise.
2608 (do_structure_copy): Likewise.
2609 (handle_ptr_arith): Likewise.
2610 (find_func_aliases): Likewise. Remove unused need_anyoffset
2613 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
2614 Kaz Kojima <kkojima@gcc.gnu.org>
2616 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
2617 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
2618 (EXTRA_CONSTRAINT_C16): Remove.
2619 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
2620 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
2621 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
2622 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
2623 constants of SHmedia. Handle nested constant expressions of
2625 (andcosts): Fix the costs for SHmedia constants.
2626 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
2627 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
2628 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
2629 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
2630 (movv4hi_i, movv2si_i): Likewise.
2631 (movsi_const): Adjust the second operand of ior so to match with
2633 (movdi_const, movdi_const_32bit): Likewise.
2634 (movdi_const_16bit+1): Don't sign-extend LOW.
2635 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
2637 (*double_shori): Fix the split condition. Use GEN_INT instead
2638 of get_int_mode calls. Mask lower 16-bit of the argument of
2640 (sym2GOTPLT): Remove.
2641 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
2643 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
2644 instead of EXTRA_CONSTRAINT_C16.
2646 2006-01-07 Ian Lance Taylor <ian@airs.com>
2647 David Edelsohn <edelsohn@gnu.org>
2649 PR rtl-optimization/25662
2650 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
2651 for constant operands instead of simplify_gen_binary.
2652 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
2653 after trying simplify_binary_operation
2655 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
2657 * tree.c (iterative_hash_expr): Hash decls based on UID.
2659 2006-01-06 Eric Christopher <echristo@apple.com>
2661 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
2662 (TARGET_UNWIND_EMIT): Fix spelling.
2663 * target.h (gcc_target): Add except_table_label.
2664 * except.c (output_function_exception_table): Use.
2665 * varasm.c (default_emit_except_table_label): New.
2666 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
2668 (asm_out): Add here.
2669 * output.h (default_emit_except_table_label): Prototype.
2670 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
2671 * config/darwin.c (darwin_emit_except_table_label): Define.
2672 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
2674 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
2676 PR tree-optimization/18527
2677 * tree-ssa-loop-niter.c (number_of_iterations_cond,
2678 number_of_iterations_special, number_of_iterations_exit):
2679 Move base and step of an iv to a single structure. Add
2680 no_overflow flag, and use it in # of iterations analysis.
2681 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
2682 folded_casts argument.
2683 (simple_iv): Pass base and step in a structure. Set no_overflow
2685 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
2686 Evaluate expensiveness of computing # of iterations instead of
2687 the final expression.
2688 * tree-scalar-evolution.h (affine_iv): New structure.
2689 (simple_iv): Declaration changed.
2690 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
2691 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
2692 find_givs_in_stmt): Changed due to simple_iv change.
2694 2006-01-06 Jeff Law <law@redhat.com>
2697 * tree-cfg.c (bsi_replace): Rename final argument from
2698 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
2699 change (stmt -> orig_stmt).
2700 * tree-eh.c (verify_eh_throw_stmt_node): New function.
2701 (bsi_remove): Add new argument. Remove EH information
2703 (verify_eh_throw_table_statements): New function.
2704 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
2706 * tree-optimize.c (execute_free_cfg_annotations): Verify
2707 the EH throw statement table after removing annotations.
2708 * except.h (verify_eh_throw_table_statements): Prototype.
2709 * tree-flow.h (bsi_remove): Update prototype.
2710 * tree-vrp.c (remove_range_assertions): Add new argument to
2712 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
2713 * tree-complex.c (expand_complex_div_wide): Likewise.
2714 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
2715 * tree-tailcall.c (eliminate_tailcall): Likewise.
2716 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
2717 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
2718 * tree-nrv.c (tree_nrv): Likewise.
2719 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
2720 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
2721 (combine_blocks): Likewise.
2722 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
2723 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
2724 (cleanup_control_flow): Likewise.
2725 (remove_forwarder_block): Likewise.
2726 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
2727 * tree-sra.c (sra_replace): Likewise.
2728 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
2729 (forward_propagate_single_use_vars): Likewise.
2730 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
2731 * tree-inline.c (expand_call_inline): Likewise.
2732 * tree-vect-transform.c (vect_transform_loop): Likewise.
2733 * tree-outof-ssa.c (rewrite_trees): Likewise.
2734 * tree-cfg.c (make_goto_expr_edges): Likewise.
2735 (cleanup_dead_labels): Likewise.
2736 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
2737 (bsi_move_before, bsi_move_after): Likewise.
2738 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
2739 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
2741 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
2744 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
2746 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
2747 on non gimple variables. Also add checks at the top for decls and
2749 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
2751 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
2752 and IMAGPART_EXPR for creating MUST_DEFs.
2753 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
2754 and NAME_MEMORY_TAG separately from the DECLs.
2756 2006-01-06 Richard Guenther <rguenther@suse.de>
2758 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
2759 annotation, if necessary.
2760 * tree-ssa-pre.c (create_expression_by_pieces): Remove
2761 redundant calls to update_stmt.
2762 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
2765 2006-01-05 Richard Henderson <rth@redhat.com>
2767 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
2769 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
2771 * c-typeck.c: Update copyright date.
2773 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
2775 * c-typeck.c (build_c_cast): Always warn when casting
2776 from a pointer to an integer of different size, even if
2777 the node was constant.
2779 2006-01-05 Richard Guenther <rguenther@suse.de>
2781 PR tree-optimization/22555
2782 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
2783 if one structure field is an array.
2784 * tree-ssa-operands.c (get_expr_operands): Continue scanning
2785 operands even if we found a subvar, but ignore VOPs in this
2787 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
2789 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
2791 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
2794 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
2796 2006-01-05 Richard Guenther <rguenther@suse.de>
2797 Diego Novillo <dnovillo@redhat.com>
2799 * tree-pass.h (TODO_remove_unused_locals): Define.
2800 * gimple-low.c (expand_var_p, remove_useless_vars,
2801 pass_remove_useless_vars): Remove. Update all users.
2802 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
2803 (remove_unused_locals): New function.
2804 * tree-flow.h (remove_unused_locals): Declare.
2805 * passes.c (execute_todo): Call remove_unused_locals if
2806 TODO_remove_unused_locals is set.
2807 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
2808 * tree-ssa-dce.c (pass_dce): Likewise.
2809 * tree-outof-ssa.c (pass_del_ssa): Likewise.
2811 2006-01-05 Richard Guenther <rguenther@suse.de>
2813 * tree-flow.h (struct fieldoff): Decompose field to
2814 type, size and decl.
2815 * tree-ssa-alias.c (create_sft): Take type as parameter.
2816 (create_overlap_variables_for): Store type, size and decl
2817 in the fieldoff structure.
2818 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
2820 (push_fields_onto_fieldstack): Likewise.
2821 (create_variable_info_for): Likewise. Use offset for the
2822 SFT name if the decl is not available.
2824 2006-01-04 Paul Brook <paul@codesourcery.com>
2826 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
2828 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
2830 * lambda-code.c (can_put_in_inner_loop): Relax
2832 (can_put_after_inner_loop): New function.
2833 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
2834 (perfect_nestify): Change to make copies and modify uses.
2836 2006-01-04 Richard Henderson <rth@redhat.com>
2838 Merge from gomp branch:
2839 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
2840 via integer constant.
2841 (pragma_lex): Remove.
2842 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
2843 rather than parsing it.
2844 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
2845 handle_pragma_extern_prefix): Add %< %> quotes.
2846 (registered_pragmas): New.
2847 (c_register_pragma_1): New.
2848 (c_register_pragma): Use it.
2849 (c_register_pragma_with_expansion): Likewise.
2850 (c_invoke_pragma_handler): New.
2851 (init_pragma): Use cpp_register_deferred_pragma directly for
2853 * c-pragma.h (enum pragma_kind): New.
2854 (pragma_handler): New.
2855 (c_invoke_pragma_handler): Declare.
2856 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
2858 * c-common.h (c_common_pch_pragma): Update decl.
2859 * Makefile.in (c-parser.o): Update dependencies.
2860 (GTFILES): Add c-pragma.h.
2861 * c-parser.c (struct c_token): Add pragma_kind.
2862 (struct c_parser): Add in_pragma.
2863 (c_lex_one_token): Always initialize keyword and pragma_kind.
2864 Extract data for CPP_PRAGMA.
2865 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
2866 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
2867 Don't allow CPP_PRAGMA_EOL if in_pragma.
2868 (c_parser_consume_pragma): New.
2869 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
2870 (c_parser_skip_to_end_of_parameter): Likewise.
2871 (c_parser_skip_to_end_of_block_or_statement): Likewise.
2872 (c_parser_skip_to_pragma_eol): New.
2873 (c_parser_external_declaration): Handle CPP_PRAGMA.
2874 (c_parser_compound_statement_nostart): Likewise.
2875 (c_parser_statement_after_labels): Likewise.
2876 (c_parser_pragma): New.
2877 (pragma_lex): Likewise.
2878 (c_parser_pragma_pch_preprocess): New.
2879 (c_parser_new): Merge into ...
2880 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
2882 2006-01-04 Jeff Law <law@redhat.com>
2885 * tree-cfg.c (bsi_replace): Remove the original statement
2886 from the EH throw statement table.
2888 2006-01-04 Jakub Jelinek <jakub@redhat.com>
2890 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
2891 make the prototype extern "C" and add throw ().
2894 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
2895 and pos non-negative and pos + len <= 32.
2896 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
2897 drop pos + len < HOST_BITS_PER_WIDE_INT test.
2898 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
2901 * c-common.c (handle_vector_size_attribute): Reject zero vector size
2902 as well as sizes not multiple of component size.
2905 * function.c (instantiate_expr): New function.
2906 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
2907 walk its DECL_VALUE_EXPR with instantiate_expr.
2909 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
2910 DW_OP_deref{,_size} if address isn't going to be added.
2912 2006-01-04 Ben Elliston <bje@au.ibm.com>
2914 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
2915 * config/fp-bit.c: Likewise.
2917 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
2919 * dominance.c: Add comment about why we use DFS numbering
2922 2006-01-03 Jakub Jelinek <jakub@redhat.com>
2923 Richard Henderson <rth@redhat.com>
2925 Merge from gomp-branch:
2926 * varasm.c (assemble_variable): Handle thread-local COMMON data.
2927 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
2929 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
2931 PR rtl-optimization/25578
2932 * combine.c (combine_simplify_rtx, force_to_mode): Don't
2933 pass a parameter to simplify_shift_const if changing ASHIFTRT
2936 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
2938 * builtins.c (get_builtin_sync_mem): New function.
2939 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
2940 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
2941 Call get_builtin_sync_mem to generate mem rtx.
2943 2006-01-03 Richard Guenther <rguenther@suse.de>
2946 * stmt.c (add_case_node): Make sure to clear overflow flags
2949 2006-01-03 Jakub Jelinek <jakub@redhat.com>
2951 Merge from gomp-branch.
2952 * config/sparc/sync.md: New file.
2953 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
2954 UNSPECV_LDSTUB): New constants.
2955 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
2956 * config/sparc/predicates.md (memory_reg_operand): New predicate.
2957 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
2960 2006-01-03 Roger Sayle <roger@eyesopen.com>
2962 * combine.c (reg_subword_p): New predicate to test whether the
2963 destination of a set refers to a subword/piece of a register.
2964 (try_combine): Generalize the code to merge the setting of a
2965 pseudo to a constant followed by a set of a subword of that
2966 register to a constant.
2968 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
2970 * basic-block.h (control_flow_graph): Change the type of
2971 x_label_to_block_map to VEC(basic_block,gc) *.
2972 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
2973 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
2975 * tree-ssa-propagate.c (cfg_blocks): Change the type to
2976 VEC(basic_block,heap) *.
2977 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
2978 ssa_prop_fini): Adjust the uses of cfg_blocks.
2980 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
2982 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
2984 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
2985 hashing trees instead of a pointer hash.
2986 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
2987 compare for MEM_EXPR.
2989 PR rtl-optimization/25130
2990 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
2991 when comparing MEMs for GCSE
2993 2006-01-03 Ben Elliston <bje@au.ibm.com>
2995 * targhooks.h (default_decimal_float_supported_p): Declare.
2996 * targhooks.c (default_decimal_float_supported_p): Define.
2997 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
2998 `default_decimal_float_supported_p'.
2999 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
3001 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
3003 * combine.c (apply_distributive_law <SUBREG>): Check
3004 TRULY_NOOP_TRUNCATION.
3006 2006-01-02 Geoffrey Keating <geoffk@apple.com>
3008 * dwarf2out.c (have_switched_text_section): Delete.
3009 (have_multiple_function_sections): New.
3010 (have_location_lists): Make 'bool'.
3011 (add_AT_loc_list): Use 'true' not '1'.
3012 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
3013 (output_loc_list): Use have_multiple_function_sections.
3014 (output_ranges): Likewise.
3015 (dwarf2out_begin_function): Set have_multiple_function_sections if
3017 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
3018 Check function_section rather than DECL_SECTION_NAME.
3019 (dwarf2out_finish): Use have_multiple_function_sections.
3020 Don't clear have_location_lists.
3022 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
3023 Jan Hubicka <jh@suse.cz>
3025 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
3026 case of conditional jump jumping to the next instruction.
3027 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
3028 cases of conditional jump jumping to the next instruction.
3030 2006-01-02 Jan Hubicka <jh@suse.cz>
3032 * i386.c (*_cost): Add COSTS_N_INSNS.
3033 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
3035 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
3038 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
3040 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3042 * config/arm/arm.c (all_fpus): Fix comment typo.
3043 * config/darwin.c: Likewise.
3044 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
3045 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
3046 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
3048 2006-01-01 David Edelsohn <edelsohn@gnu.org>
3050 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
3051 (rs6000_split_compare_and_swapqhi): New.
3052 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
3053 (sync_compare_and_swapqhi_internal): New.
3054 * config/rs6000/rs6000-protos.h: Declare.