1 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
3 * c-common.h (flag_const_strings): Don't declare.
4 * c-common.c (flag_const_strings): Remove.
5 * c.opt (fconst_strings): Remove.
6 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
7 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8 (c_common_init_options): Don't set flag_const_strings.
9 * doc/invoke.texi (-fno-const-strings): Remove documentation.
11 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
13 * arm.md (tlobits_cbranch): New pattern.
14 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
17 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
20 * tree-ssa-pre.c (create_component_ref_by_pieces):
21 Handle RETURN_DECL like VAR_DECL.
23 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
26 * fold-const.c (fold_indirect_ref_1): Fold
27 "*(foo *)&complexfoo" to "__real__ complexfoo"
28 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
30 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
32 * tree-flow-inline.h (var_can_have_subvars):
33 Volatile variables should not have subvariables.
35 2006-02-09 Diego Novillo <dnovillo@redhat.com>
38 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
39 multiplying unsigned values.
42 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
44 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
46 2006-02-08 Jason Merrill <jason@redhat.com>
49 * tree.def: Elaborate on difference from MODIFY_EXPR.
50 * doc/c-tree.texi (INIT_EXPR): Likewise.
51 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
52 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
53 (gimplify_target_expr): Likewise.
54 (gimplify_cond_expr): Remove target handling.
55 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
56 (gimplify_expr): Clobber it here.
57 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
58 Do return slot optimization if we have an INIT_EXPR.
61 * tree-inline.c (declare_return_variable): Also clear
62 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
65 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
68 * gimplify.c (gimplify_one_sizepos): Fix typo.
70 2006-02-08 Jeff Law <law@redhat.com>
72 PR tree-optimization/21417
73 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
74 across a backedge if the control statement at the end of the
75 block is data dependent on other statements in the same block.
76 (record_temporary_equivalences_from_stmts): Remove over-conservative
77 test for threading across backedges.
79 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
80 control statement, handle all three special cases in the same
81 manner as they all have the same desired solution. No longer
82 special case edge flag updating when the post dominator is
85 2006-02-08 Roger Sayle <roger@eyesopen.com>
87 * tree.def (CHAR_TYPE): Remove.
88 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
89 * dwarf2out.c (base_type_die, is_base_type): Likewise.
90 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
91 (gen_string_type_die): Delete unreachable function.
93 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
94 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
95 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
96 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
97 * builtins.c (type_to_class): Likewise.
98 * fold-const.c (fold_convert, build_range_check,
99 merge_ranges): Likewise.
100 * expr.c (count_type_elements): Likewise.
101 * c-pretty-print.c (pp_c_type_specifier): Likewise.
102 * stor-layout.c (layout_type): Likewise.
103 * ipa-type-escape.c (type_to_consider): Likewise.
104 * gimplify.c (omp_firstprivatize_type_sizes,
105 gimplify_type_sizes): Likewise.
106 * explow.c (promote_mode): Likewise.
107 * tree-sra.c (is_sra_scalar_type): Likewise.
108 * varasm.c (output_constant): Likewise.
109 * tree-inline.c (remap_type_1): Likewise.
110 * convert.c (convert_to_pointer, convert_to_real,
111 convert_to_integer, convert_to_complex): Likewise.
113 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
115 * df-scan.c (df_def_record_1): A set destination may
116 be a parallel regardless of mode.
118 2006-02-08 Roger Sayle <roger@eyesopen.com>
121 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
122 * config/mips/_tilib.c: Remove.
123 * config/fixtfdi.c: New libgcc source file.
124 * config/fixunstfdi.c: New source file.
125 * config/floatditf.c: New source file.
126 * config/floatunditf.c: New souce file.
127 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
128 files above instead of config/mips/_tilib.c.
129 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
131 2006-02-08 Jeff Law <law@redhat.com>
133 PR tree-optimization/26169
134 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
137 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
139 * df.h (DF_REG_SIZE): Return the length of the initialized
142 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
144 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
145 __muldf3): Return a correctly signed zero.
147 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
149 * passes.c (register_one_dump_file): Accept the current properties
150 instead of pass number. Adjust call to dump_register. Remove
152 (register_dump_files): Now a wrapper around...
153 (register_dump_files_1): ... this one. Do not modify the pass
155 (next_pass_1): Cosmetic fix.
156 (execute_todo): Keep second parameter only. Use curr_properties
157 instead of fetching it from the pass structure. Check and set
159 (execute_one_pass): Handle TODO_set_props. Use curr_properties
160 instead of fetching it from the pass structure. Fix calls to
161 execute_todo. Update curr_properties and initialize .vcg RTL dump
162 after running the pass. Reset last_verified.
163 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
165 (FIRST_AUTO_NUMBERED_DUMP): New.
166 (dump_register): Remove "num" parameter, assign it within the
168 (get_dump_file_name): Modify template for dumps.
169 * tree-dump.h (dump_register): Adjust prototype.
170 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
171 (PROP_trees): Add PROP_gimple_lomp.
172 (TODO_set_props): New.
173 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
174 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
175 * cfgexpand.c (pass_expand): Destroy PROP_trees.
177 2006-02-08 Jakub Jelinek <jakub@redhat.com>
179 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
180 (sparc64-*-linux*): Likewise.
181 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
182 * config/sparc/t-linux: New file.
183 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
184 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
185 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
186 -m32 -mlong-double-128.
188 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
189 * config/alpha/t-linux: New file.
190 * config/alpha/libgcc-alpha-ldbl.ver: New file.
192 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
193 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
194 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
195 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
196 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
197 (CPP_ARCH32_SPEC): Remove.
199 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
201 PR tree-optimization/26145
202 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
205 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
208 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
209 >= 240000 when generating code for SOM runtime.
210 (output_indirect_call): Don't use "b,l" instruction for indirect calls
211 to $$dyncall when generating code for SOM runtime..
213 2006-02-07 Dirk Mueller <dmueller@suse.com>
216 * doc/invoke.texi (-Wsequence-point): Update documentation
217 that -Wsequence-point is implemented for C++ as well.
219 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
221 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
222 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
223 (LIB_SPEC): Likewise.
224 * doc/invoke.texi (SPARC options): Document -pthread.
226 2006-02-07 Geoffrey Keating <geoffk@apple.com>
228 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
231 2006-02-07 Roger Sayle <roger@eyesopen.com>
233 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
234 Correct comment describing BOOLEAN_TYPE.
236 2006-02-07 Dirk Mueller <dmueller@suse.com>
238 * c.opt: C++ frontend supports -Wdiv-by-zero.
239 * c-opts.c (c_common_handle_option): Remove dead case.
241 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
243 * configure.ac (TLS assembler check): Do not enable TLS by
244 default on SPARC/Solaris before version 10.
245 * configure: Regenerate.
247 2006-02-07 David Edelsohn <edelsohn@gnu.org>
249 * doc/invoke.texi (xl-compat): Document conversion and support
252 2006-02-07 Jeff Law <law@redhat.com>
254 * tree-vrp.c (find_conditional_asserts): Update comments.
255 (simplify_stmt_for_jump_threading): New.
256 (identify_jump_threads, finalize_jump_threads): New.
257 (vrp_finalize): Call identify_jump_threads.
258 (execute_vrp): Call finalize_jump_threads.
259 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
260 (vrp_element, vrp_data, vrp_element_p): Remove.
261 (vrp_hash_elt, vrp_variables_stack): Remove.
262 (vrp_hash, vrp_eq, record_range): Remove.
263 (simplify_cond_and_lookup_avail_expr): Remove.
264 (extract_range_from_cond): Remove.
265 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
266 (simplify_stmt_for_jump_threading): New.
267 (dom_thread_across_edge): New wrapper.
268 (tree_ssa_dominator_optimize): No longer initialize or
269 finalize any of the VRP datastructures. Remove iteration
270 step and simplify as a result of removal of iteration step.
271 (pass_dominator): Perform a cfg cleanup after DOM.
272 (dom_opt_finalize_block): Use the new common routines
273 for threading jumps. Simplify stack management slightly.
274 No longer need to unwind VRP state.
275 (record_equivalences_from_incoming_edge): No longer record
277 (eliminate_redundant_computations): No longer call
278 simplify_cond_and_lookup_avail_expr.
279 * tree-flow.h (potentially_threadable_block): Prototype.
280 (thread_across_edge): Likewise.
281 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
282 (tree-ssa-threadedge.o): Add dependencies.
283 * tree-ssa-threadedge.c: New file.
284 * passes.c (init_optimization_passes): Merge PHIs before
285 calling VRP. Run VRP again late in the SSA optimization pipeline.
287 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
289 * df-core.c (df_set_blocks): Do not dereference function pointers.
290 (df_finish1): Likewise.
291 (df_hybrid_search_forward): Likewise.
292 (df_hybrid_search_backward): Likewise.
293 (df_iterative_dataflow): Likewise.
294 (df_analyze_problem): Likewise.
295 (df_compact_blocks): Likewise.
297 * df-scan.c (df_rescan_blocks): Likewise.
298 (df_record_entry_block_defs): Likewise.
300 * genconditions.c (write_conditions): Guard the definition of
301 'insn_conditions' with the check on GCC version.
302 (write_writer): Guard the traversal 'insn_conditions' with
303 the check on GCC version.
305 2006-02-07 Richard Guenther <rguenther@suse.de>
309 2006-01-30 Richard Guenther <rguenther@suse.de>
311 * gimplify.c (gimplify_target_expr): Handle easy cases
312 without creating a temporary.
314 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
316 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
317 use of float in probability computations. Use edge probabilities
318 in place of statically computed probabilities.
319 (min_spec_prob): New static variable.
320 (schedule_insns): Initialize it.
321 (GET_SRC_PROB): Removed.
322 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
324 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
327 * config/ia64/unwind-ia64.c: Revert last change.
328 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
329 (INCOMING_FRAME_SP_OFFSET): Define.
331 2006-02-06 Roger Sayle <roger@eyesopen.com>
333 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
335 2006-02-07 Ben Elliston <bje@au.ibm.com>
337 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
338 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
339 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
340 (ix86_return_in_memory): Handle TDmode.
341 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
342 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
344 2006-02-06 Richard Sandiford <richard@codesourcery.com>
346 * reorg.c (dbr_schedule): Use dump_file instead of file.
348 2006-02-06 Steve Ellcey <sje@cup.hp.com>
351 * config/ia64/predicates.md (extr_len_operand): New predicate.
352 * config/ia64/ia64.md (extv): Tighten constraints.
354 (*tbit_and_2): Ditto.
355 (*tbit_and_3): Ditto.
361 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
364 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
366 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
368 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
369 loop_optimizer_init and loop_optimizer_finalize
370 * tree-ssa-sink.c (execute_sink_code): Ditto.
371 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
372 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
373 tree_ssa_loop_done): Ditto.
374 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
375 * sched-ebb.c: Include output.h.
376 (schedule_ebbs): Do not use dump argument.
377 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
378 * loop.c (loop_dump_stream): Removed.
379 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
381 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
382 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
383 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
384 loop_iterations, strength_reduce, record_biv, record_giv,
385 final_giv_value, check_final_value, check_ext_dependent_givs,
386 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
387 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
388 dump_file instead of loop_dump_stream.
389 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
391 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
393 * flow.c (life_analysis, rest_of_handle_life): Ditto.
394 * haifa-sched.c: Include output.h
395 (schedule_insns, sched_init): Do not use dump argument.
396 * mode-switching.c (optimize_mode_switching): Ditto.
397 * modulo-sched.c (stats_file): Removed.
398 (print_node_sched_params): Do not call argument dump_file.
399 (sms_schedule_by_order, loop_canon_p, sms_schedule,
400 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
402 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
404 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
405 rtl_loop_init, rtl_loop_done): Ditto.
406 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
407 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
409 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
410 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
411 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
412 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
413 * emit-rtl.c (renumber_insns): Ditto.
414 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
415 expand_gimple_basic_block, tree_expand_cfg): Ditto.
416 * regclass.c (regclass): Ditto.
417 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
418 remove_ssa_form, rewrite_out_of_ssa): Ditto.
419 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
420 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
422 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
423 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
425 * gcse.c (gcse_file, debug_stderr): Removed.
426 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
427 rest_of_handle_gcse): Do not use dump argument.
428 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
429 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
430 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
431 compute_code_hoist_vbeinout, compute_code_hoist_data,
432 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
433 compute_store_table, build_store_vectors, insert_insn_start_bb,
434 insert_store, remove_reachable_equiv_notes, replace_store_insn,
435 store_motion): Use dump_file instead of gcse_file.
436 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
437 * profile.c (profile_dump_file): Removed.
438 (branch_prob): Use dump_file instead of profile_dump_file.
439 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
441 * tree-ssa-copy.c (dump_copy_of): Ditto.
442 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
443 dump file to life_analysis.
444 * bt-load.c (branch_target_load_optimize): Ditto.
445 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
447 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
448 regclass, dbr_schedule): Declaration changed.
449 * sched-int.h (sched_init): Declaration changed.
450 * tree-profile.c (tree_profile_dump_file): Removed.
451 (tree_profile_hooks): Removed profile_dump_file hook.
452 * rtl-profile (rtl_profile_dump_file): Removed.
453 (rtl_profile_hooks): emoved profile_dump_file hook.
454 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
456 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
457 * tree-cfg.c (build_tree_cfg): Ditto.
458 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
459 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
461 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
462 life_analysis and schedule_insns.
463 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
465 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
467 * config/mips/mips.c (mips_reorg): Ditto.
468 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
471 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
473 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
474 (s390_mangle_fundamental_type): New.
475 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
478 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
479 (alpha_mangle_fundamental_type): New.
480 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
483 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
485 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
487 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
488 (sparc_mangle_fundamental_type): New.
490 2006-02-06 Jakub Jelinek <jakub@redhat.com>
492 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
493 (s390x-*-linux*): Likewise.
494 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
495 * config/s390/t-linux: New file.
497 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
499 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
500 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
502 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
504 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
505 (ANTIC_SAFE_LOADS): New macro.
506 (find_or_generate_expression): Add prototype.
507 (set_contains_value): Allow null set for sake of not always having
508 to allocate ANTIC_SAFE_LOADS.
509 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
510 Allow COMPONENT_REF too.
511 (valid_in_set): Allow COMPONENT_REF.
512 Check ANTIC_SAFE_LOADS too.
513 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
514 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
516 (can_PRE_operation): Add COMPONENT_REF.
517 (create_component_ref_by_pieces): New function.
518 (create_expression_by_pieces): Use create_component_ref_by_pieces.
519 (insert_aux): Move AGGREGATE_TYPE_P check here.
520 (compute_avail): Set bb local stmt uids.
521 (pass_pre): Use TODO_update_ssa_only_virtuals.
523 2006-02-06 Ben Elliston <bje@au.ibm.com>
525 * configure.ac: Unconditionally disable decimal float by default.
526 * configure: Regenerate.
528 2006-02-06 Ben Elliston <bje@au.ibm.com>
530 * read-rtl.c (read_name): Terminate reading on EOF.
532 2006-02-06 Ben Elliston <bje@au.ibm.com>
534 * dfp.c (decimal_real_arithmetic): Change second argument type
535 from int to enum tree_code. Do not always return true, but now
536 return result of any call to decimal_do helper functions.
537 * dfp.h (decimal_real_arithmetic): Update prototype.
539 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
541 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
543 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
546 * tree-cfg.c (cleanup_dead_labels): Also don't remove
549 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
551 * tree-vrp.c (cfg_loops): Removed.
552 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
553 Use current_loops instead of cfg_loops. Pass flags to
555 * cfgloopmanip.c (fix_loop_structure): Update only available
557 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
559 * modulo-sched.c (build_loops_structure): Removed.
560 (sms_schedule): Use loop_optimizer_init.
561 * loop-init.c (loop_optimizer_init): Use flags to determine
562 which properties of loops to prepare.
563 (rtl_loop_init): Pass flags to loop_optimizer_init.
564 * tree-ssa-sink.c (execute_sink_code): Ditto.
565 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
566 * tree-ssa-pre.c (init_pre): Ditto.
567 * cfgloop.h (LOOPS_NORMAL): New.
568 (loop_optimizer_init): Declaration changed.
570 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
572 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
573 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
575 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
577 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
579 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
580 * pa/t-pa64: Delete quadlib.c rule.
581 * pa/x-ada: Revert last change.
582 * pa/t-pa: Revert last change. Delete quadlib.c rule.
584 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
586 PR rtl-optimization/26087
587 * rtlanal.c (canonicalize_condition): Do not cross basic block
590 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
593 * config/ia64/ia64.c: Include debug.h.
594 (MAX_ARTIFICIAL_LABEL_BYTES): New.
595 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
596 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
597 (process_epilogue, process_set, process_for_unwind_directive):
598 Output unwind info only if requested. Add CFA info if requested.
599 Add new arguments as needed. Adjust callers.
600 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
602 (DWARF2_FRAME_INFO): Define to zero.
603 * config/ia64/unwind-ia64.c: Remove code that compensated for
604 the CFA offset error fixed above.
605 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
606 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
607 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
608 -funwind-tables and -fexceptions to enable frame info.
609 (dwarf2out_frame_init): Define initial CFA even if
610 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
611 DWARF2_UNWIND_INFO is nonzero, not just defined.
612 (dwarf2out_frame_finish): Output non-EH call frame info only
613 if DWARF2_FRAME_INFO is nonzero.
614 (convert_cfa_to_loc_list,
615 compute_frame_pointer_to_cfa_displacement): Define even if
616 unwind info is not supported.
617 (gen_subprogram_die): Use the above unconditionally. Remove
618 legacy alternate code.
619 * toplev.c (compile_file): Compile in call to
620 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
621 (lang_dependent_init): Ditto for dwarf2out_frame_init.
623 2006-02-04 David Edelsohn <edelsohn@gnu.org>
624 Jakub Jelinek <jakub@redhat.com>
626 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
627 IBM extended float format long double as "g" on powerpc*-linux.
629 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
632 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
633 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
635 2006-02-03 Jason Merrill <jason@redhat.com>
638 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
641 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
642 on the return slot if it's an NRV.
644 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
646 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
647 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
648 rewrite_use): Do not handle USE_OUTER.
649 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
650 add_iv_outer_candidates, may_replace_final_value,
651 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
652 (find_interesting_uses_op): Functionality of
653 find_interesting_uses_outer_or_nonlin moved here.
654 (find_interesting_uses_outside): Use find_interesting_uses_op.
656 2006-02-03 Alan Modra <amodra@bigpond.net.au>
659 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
661 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
662 Ulrich Weigand <uweigand@de.ibm.com>
665 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
666 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
667 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
668 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
670 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
671 (s390_rtx_costs): Use the new fields to calculate rtx costs.
672 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
673 Define secondary reloads for TFmode moves.
674 (constant_modes): Add TFmode.
675 (NR_C_MODES): Set to 8.
676 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
678 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
679 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
680 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
681 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
682 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
683 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
684 (FPR mode macro): Add TFmode.
685 (DSF mode macro): New.
686 (<de>, <dee> mode attributes): Removed.
687 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
688 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
689 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
690 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
691 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
692 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
693 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
694 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
695 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
696 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
697 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
698 "*negabs<mode>2", "sqrt<mode>2"):
699 Changed <de> to <xde>. R constraint replaced by <Rf>.
700 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
702 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
703 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
704 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
706 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
707 "extenddftf2", "extendsftf2"): New expanders.
708 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
709 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
710 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
711 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
713 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
714 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
715 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
716 __floatditf): Add a GCC_4.1.0 symbol version tag.
717 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
720 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
723 * config/i386/i386.c (ix86_function_ok_for_sibcall):
724 Use targetm.binds_local_p instead of TREE_PUBLIC.
726 2006-02-02 Roger Sayle <roger@eyesopen.com>
728 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
729 on INTEGER_TYPEs to indicate that it denotes a character type.
730 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
731 signed_char_type_node, unsigned_char_type_node and char_type_node.
732 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
733 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
734 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
736 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
737 Daniel Berlin <dberlin@dberlin.org>
739 * tree-tailcall.c (arg_needs_copy_p): New function.
740 (eliminate_tail_call): Use arg_needs_copy_p.
741 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
742 (add_virtual_phis): New function.
744 2006-02-02 Jakub Jelinek <jakub@redhat.com>
746 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
747 #ignore instead of #scratch for %g7 .register directive.
749 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
751 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
754 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
756 * flow.c (calculate_global_regs_live): Assert that there aren't any
759 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
761 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
763 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
764 bsi_after_labels iterator.
765 * tree-if-conv.c (find_phi_replacement_condition,
766 replace_phi_with_cond_modify_expr): Likewise.
767 * tree-scalar-evolution.c (scev_const_prop): Likewise.
768 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
770 2006-02-02 Diego Novillo <dnovillo@redhat.com>
772 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
774 2006-02-02 Diego Novillo <dnovillo@redhat.com>
777 * tree-cfg.c (move_block_to_fn): Clear out the basic block
778 array after growing it.
780 2006-02-01 Steve Ellcey <sje@cup.hp.com>
783 * fold-const.c (fold_checksum_tree): Change type of buf.
785 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
787 * reload.c (push_secondary_reload): Initialize t_icode.
789 2006-02-01 Jakub Jelinek <jakub@redhat.com>
791 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
792 -msoft-float -mlong-double-128 only issue a warning, but don't
793 swich to DFmode long double.
795 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
797 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
798 has a constant equivalent, iterate over equivalents for arg0,
799 calling simplify_relational_operation and if there's a result
800 cheaper than X, apply fold_rtx and return the result.
802 2006-02-01 Jan Hubicka <jh@suse.cz>
804 * opts.c (no_unit_at_a_time_default): New global variable.
805 (decode_options): Use it.
806 * opts.h (no_unit_at_a_time_default): Declare.
808 2006-02-01 Paul Brook <paul@codesourcery.com>
810 * function.c (assign_parm_setup_reg): Use function argument promotion
812 * expr.c (expand_expr_real_1): Use function argument promotion rules
815 2006-02-01 Steve Ellcey <sje@cup.hp.com>
817 * gcc.c (process_command): Change j to 'unsigned int'.
819 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
822 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
823 Use the corrected index for the character
824 out of the string constant.
826 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
828 * mode-switching.c (optimize_mode_switching): Fix size
829 allocated for bb_info[n_entities].
831 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
833 * gcc.c (main): Correct type that is allocated for
836 2006-01-31 Jakub Jelinek <jakub@redhat.com>
838 * config/s390/s390.c (init_alignment_context): Set
839 ALIAS_SET_MEMORY_BARRIER on the MEM.
840 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
842 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
845 * loop-unroll.c (unroll_loop_runtime_iterations): Free
847 * tree-ssa-live.c (type_var_init): Allocate bitmap after
850 2006-01-31 Marcin Dalecki <martin@dalecki.de>
852 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
853 * regrename.c: Ditto.
854 * tree-ssa-loop-im.c: Ditto.
855 * tree-dump.c: Ditto.
856 * tree-complex.c: Ditto.
858 * tree-ssa-threadupdate.c: Ditto.
860 * java/class.c: Ditto.
861 * java/jcf-parse.c: Ditto.
862 * java/resource.c: Ditto.
863 * java/except.c: Ditto.
864 * java/jvspec.c: Ditto.
865 * java/jcf-write.c: Ditto.
866 * java/jcf-path.c: Ditto.
867 * java/gjavah.c: Ditto.
868 * java/zextract.c: Ditto.
869 * java/jcf-io.c: Ditto.
871 * java/buffer.c: Ditto.
872 * java/lang.c: Ditto.
873 * java/parse-scan.y: Ditto.
876 * cfgloopmanip.c: Ditto.
877 * postreload-gcse.c: Ditto.
878 * tree-ssa-loop-manip.c: Ditto.
879 * postreload.c: Ditto.
880 * tree-ssa-loop-ch.c: Ditto.
884 * diagnostic.c: Ditto.
886 * genoutput.c: Ditto.
889 * cfgloopanal.c: Ditto.
890 * objc/objc-act.c: Ditto.
892 * genextract.c: Ditto.
893 * genautomata.c: Ditto.
894 * pretty-print.c: Ditto.
896 * cgraphunit.c: Ditto.
899 * haifa-sched.c: Ditto.
900 * dominance.c: Ditto.
902 * tree-ssa-loop-ivopts.c: Ditto.
904 * mode-switching.c: Ditto.
905 * modulo-sched.c: Ditto.
907 * ipa-pure-const.c: Ditto.
909 * fix-header.c: Ditto.
911 * tree-stdarg.c: Ditto.
912 * ipa-utils.c: Ditto.
913 * loop-init.c: Ditto.
914 * ipa-inline.c: Ditto.
917 * alloc-pool.c: Ditto.
918 * dwarf2out.c: Ditto.
920 * genattrtab.c: Ditto.
921 * tree-ssa-loop-ivcanon.c: Ditto.
925 * fortran/gfortranspec.c: Ditto.
927 * local-alloc.c: Ditto.
928 * langhooks.c: Ditto.
930 * tree-vectorizer.c: Ditto.
932 * ipa-type-escape.c: Ditto.
934 * tree-if-conv.c: Ditto.
937 * tree-data-ref.c: Ditto.
938 * loop-unroll.c: Ditto.
939 * treelang/treetree.c: Ditto.
942 * ggc-common.c: Ditto.
946 * tree-cfgcleanup.c: Ditto.
947 * tree-ssa-pre.c: Ditto.
948 * cfgcleanup.c: Ditto.
949 * loop-invariant.c: Ditto.
952 * print-tree.c: Ditto.
955 * sched-deps.c: Ditto.
957 * tree-object-size.c: Ditto.
959 * bb-reorder.c: Ditto.
961 * var-tracking.c: Ditto.
963 * df-problems.c: Ditto.
964 * reg-stack.c: Ditto.
967 * sched-rgn.c: Ditto.
968 * tree-ssa-structalias.c: Ditto.
969 * tree-ssa-reassoc.c: Ditto.
970 * config/darwin-c.c: Ditto.
971 * config/darwin.c: Ditto.
972 * config/arm/arm.c: Ditto.
977 2006-01-31 Nicolas Pitre <nico@cam.org>
979 * arm.md (smaxsi3): Make aware of smax_m1.
982 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
984 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
986 2006-01-31 Richard Guenther <rguenther@suse.de>
988 * doc/invoke.texi (-msselibm): Document.
989 * target.h (expand_library_builtin): New target hook.
990 * builtins.c (expand_builtin): Use expand_library_builtin.
991 (default_expand_library_builtin): New function.
992 * gcc.c (LINK_GCC_MATH_SPEC): Define.
993 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
994 (link_gcc_math_spec): Declare.
995 (static_specs): Add link_gcc_math_spec.
996 * expr.h (default_expand_library_builtin): Declare.
997 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
998 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
999 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1000 * config/i386/i386.opt (msselibm): New target option.
1001 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1002 (ix86_init_sse_abi_builtins): New function.
1003 (ix86_expand_library_builtin): Likewise.
1004 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1005 (override_options): Handle error conditions wrt -msselibm.
1006 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1007 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1008 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1011 2006-01-31 Richard Guenther <rguenther@suse.de>
1012 Paolo Bonzini <bonzini@gnu.org>
1014 * doc/install.texi (--disable-libgcc-math): Document.
1016 2006-01-30 Marcin Dalecki <martin@dalecki.de>
1018 * expr.h (expand_normal): new inline function.
1019 * builtins.c: use it, use EXPAND_NORMAL explicitely.
1021 * dwarf2out.c: use it.
1026 * config/sparc/sparc.c: use it.
1027 * config/i386/i386.c: use it.
1028 * config/rs6000/rs6000.c: use it.
1029 * config/arm/arm.c: use it.
1030 * config/mips/mips.c: use it.
1031 * stmt.c: use it, use EXPAND_NORMAL explicitely.
1033 2006-01-30 Roger Sayle <roger@eyesopen.com>
1035 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
1036 argv to the appropriate type.
1038 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
1040 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
1043 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
1046 * config/s390/s390.c (struct machine_function): New flag
1047 decomposed_literal_pool_addresses_ok_p.
1048 (s390_reorg): Set it before final stage of literal pool transforms.
1049 (s390_decompose_address): Only accept displacements of the form
1050 (minus (label_ref ...) (label_ref ...)) if that flag is set.
1052 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
1054 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
1055 the comparison routine return.
1057 2006-01-30 Michael Matz <matz@suse.de>
1059 * global.c (find_reg): Only evict for global regs.
1060 Take n_refs into account and dump more info.
1062 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
1065 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
1066 (pragma_trap, pragma_nosave_low_regs): Likewise.
1067 (current_function_anonymous_args): Likewise.
1068 (sh_deferred_function_attributes): New variable.
1069 (sh_deferred_function_attributes_tail): Likewise.
1070 (print_operand): For '@', look up trap_exit attribute.
1071 (calc_live_regs): Look up trapa_handler attribute. For trapa
1072 handlers, save/restore fpscr, but don't do any other
1073 interrupt-specific saves.
1074 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
1075 Fix check for partially saved registers to check for SHmedia.
1076 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
1077 (sh_output_function_epilogue): Don't clear any of the removed
1079 (sh_insert_attributes): Don't check pragma_interrupt.
1080 Insert deferred attributes. Check that interrupt attribute is
1081 present for other attributes that require its presence.
1082 (sh_attribute_table): Add new attributes trapa_handler and
1084 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1085 Don't check for pragma_interrupt. Don't store argument.
1086 * sh.h (pragma_interrupt, sp_switch): Don't declare.
1087 (sh_deferred_function_attributes): Declare.
1088 (sh_deferred_function_attributes_tail): Likewise.
1089 * sh.md (sp_switch_1): Add operand. Change generator caller.
1090 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
1091 (*return_i): Don't use when trap_exit attribute is in effect.
1092 (*return_trapa): New insn pattern.
1094 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
1095 setting c_target_objs and cxx_target_objs.
1096 * t-sh: Add rule for sh-c.o.
1098 2006-01-30 Richard Guenther <rguenther@suse.de>
1101 * gimplify.c (gimplify_target_expr): Handle easy cases
1102 without creating a temporary.
1104 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
1106 * vec.h (safe_grow): Remove duplicated line.
1108 2006-01-29 Diego Novillo <dnovillo@redhat.com>
1111 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
1112 (expand_omp): ... here.
1113 (expand_omp_parallel): Only remove barriers for combined
1114 parallel+workshare constructs.
1116 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
1120 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
1121 * tree.c (build_qualified_type): Chain the new type to the original
1122 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1123 a POINTER_TYPE or a REFERENCE_TYPE respectively.
1124 (build_pointer_type_for_mode): Only return unqualified types.
1125 (build_reference_type_for_mode): Likewise.
1127 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
1129 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
1130 * Makefile.in (CXX_COMPAT_WARN): Define.
1131 * configure: Regenerate.
1133 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
1136 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
1139 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1141 * toplev.c: Fix thinko.
1143 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
1144 Marcin Dalecki <martin@dalecki.de>
1146 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
1147 (push_srcloc): Use XNEW.
1148 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
1150 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
1152 * df-core.c (df_set_blocks): Deleted all variable.
1154 2006-01-28 Ian Lance Taylor <ian@airs.com>
1156 * cgraphunit.c (cgraph_assemble_pending_functions): Call
1157 cgraph_output_pending_asms.
1159 2006-01-28 Zack Weinberg <zackw@panix.com>
1161 * c.opt: Add -W(no-)overlength-strings.
1162 * doc/invoke.texi: Document it.
1163 * c-opts.c (c_common_handle_option): -pedantic implies
1164 -Woverlength-strings, if not explicitly disabled already.
1165 (c_common_post_options): -Woverlength-strings defaults to off, and
1166 is always off for C++.
1167 * c-common.c (fix_string_type): Issue warning about strings longer
1168 than is portable only if warn_overlength_strings. Rearrange code
1169 a little for clarity.
1170 * configure.in: Check for -Wno-overlength-strings as well before
1171 enabling -pedantic in stage 1.
1172 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
1173 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
1175 * genconditions.c (write_header, write_one_condition)
1176 (write_conditions, write_writer): Consolidate very long strings
1177 that were broken up to fit in C89 portable limit. Don't use
1178 printf when fputs will do.
1180 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
1182 * combine.c (simplify_comparison <AND>): Check
1183 TRULY_NOOP_TRUNCATION before start using a subreg.
1185 * config/mips/mips.md (*branch_zero<mode>,
1186 *branch_zero<mode>_inverted, *branch_equality<mode>,
1187 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
1188 Remove mode check from comparisons.
1190 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
1192 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
1194 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1196 * expmed.c (const_mult_add_overflow_p): Remove.
1197 * expr.h: Remove the prototype for const_mult_add_overflow_p.
1199 * recog.c (validate_replace_rtx_subexp): Remove.
1200 * recog.h: Remove the prototype for
1201 validate_replace_rtx_subexp.
1203 * integrate.h: Remove the prototype for
1204 copy_decl_for_inlining.
1205 * rtl.h: Remove the prototype for mark_constant_function.
1206 * tree-vectorizer.h: Remove the prototype for
1207 vect_strip_conversion.
1209 * modulo-sched.c (create_partial_schedule,
1210 free_partial_schedule, reset_partial_schedule): Make them
1213 * hooks.c (hook_bool_rtx_int_false): Remove.
1214 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
1216 2006-01-28 David Edelsohn <edelsohn@gnu.org>
1218 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1219 and -mlong-double-128 are incompatible.
1220 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
1221 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
1222 (TARGET_LIBGCC2_CFLAGS): Define.
1223 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
1224 (TARGET_LIBGCC2_CFLAGS): Same.
1225 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
1227 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
1230 * c-typeck.c (build_binary_op): Perform implicit casts of
1231 operands before shortening them.
1233 * cfgloopmanip.c (split_loop_bb): Remove.
1234 * cfgloop.h: Remove the prototype for split_loop_bb.
1236 * cfgloop.c (flow_loop_outside_edge_p): Remove.
1237 * cfgloop.h: Remove the prototype for
1238 flow_loop_outside_edge_p.
1240 * emit-rtl.c (init_virtual_regs): Make it static.
1241 * function.h: Remove the prototype for init_virtual_regs.
1243 * recog.c (peephole2_optimize): Make it static.
1244 * recog.h: Remove the prototype for peephole2_optimize.
1246 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
1248 * df-scan.c (df_record_entry_block_defs): Check if
1249 INCOMING_RETURN_ADDR_RTX is defined.
1251 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
1252 Kenneth Zadeck <zadeck@naturalbridge.com>
1254 PR rtl-optimization/24762
1255 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1256 * targhooks.c (hook_void_bitmap): New hook prototype.
1257 * targhoohs.h (hook_void_bitmap): Ditto.
1258 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
1259 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
1260 * target.h (live_on_entry): New function pointer.
1261 * df-scan.c (df_all_hard_regs): Removed.
1262 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
1263 (df_scan_free_internal): Added df->entry_block_defs.
1264 (df_scan_alloc): Ditto.
1265 (df_scan_dump): Ditto.
1266 (df_uses_record): Plumbed flag field properly thru calls.
1267 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
1268 This part fixes PR24762.
1269 (df_bb_refs_record): Added code to make the frame and arg
1270 pointers live in EH blocks.
1271 (df_refs_record): Added call to df_record_entry_block_defs.
1272 (df_record_entry_block_defs): New function.
1273 * df-core.c: Added comments to describe new artifical defs.
1274 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
1275 (entry_block_defs): New field in struct df.
1276 (df_all_hard_regs): Deleted.
1277 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1278 * df-problems.c (df_ru_bb_local_compute_process_def):
1279 Added code to handle artifical defs in the entry to a function.
1280 (df_ru_bb_local_compute): Ditto.
1281 (df_rd_bb_local_compute_process_def): Ditto.
1282 (df_rd_bb_local_compute): Ditto.
1283 (df_lr_bb_local_compute): Ditto.
1284 (df_ur_bb_local_compute): Ditto.
1285 (df_urec_bb_local_compute): Ditto.
1286 (df_chain_create_bb): Ditto.
1287 (df_ur_local_finalize): Removed entry.
1288 (df_urec_init): Ditto.
1289 (df_urec_local_finalize): Ditto.
1290 (df_ri_bb_compute): Added detection of last use of pseudos.
1291 * Makefile.in (df-scan.o): Updated dependencies.
1292 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
1293 * config/mips/mips.c (mips_set_live_on_entry): Added.
1294 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
1296 * dce.c (marked_insn_p): Added code to handle artifical defs.
1298 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
1300 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
1302 (_mm_cvtsi128_si64): Likewise.
1303 (_mm_cvtsd_si64): Likewise.
1304 (_mm_cvttsd_si64): Likewise.
1305 (_mm_cvtsi64_sd): Likewise.
1306 (_mm_cvtsi64_si128): Likewise.
1307 * config/i386/mmintrin.h (_m_from_int64): Likewise.
1308 (_mm_cvtsi64_m64): Likewise.
1309 (_m_to_int64): Likewise.
1310 (_mm_cvtm64_si64): Likewise.
1311 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
1312 (_mm_cvttss_si64): Likewise.
1313 (_mm_cvtsi64_ss): Likewise.
1314 (_mm_cvtss_f32): Likewise.
1316 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
1318 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
1319 for pragma redefine_extname.
1321 2006-01-27 Jakub Jelinek <jakub@redhat.com>
1324 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
1325 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
1326 -mno-minimal-toc to previous content.
1327 (bispecs): Remove goal.
1328 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
1329 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
1330 compatibility aliases on powerpc-*-*gnu*.
1331 * config/rs6000/libgcc-ppc-glibc.ver: New file.
1332 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
1333 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
1334 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
1335 (ldblspecs): New goal.
1336 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
1337 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
1339 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
1340 L_sf_to_tf or L_df_to_tf is defined.
1342 2006-01-27 David Edelsohn <edelsohn@gnu.org>
1343 Alan Modra <amodra@bigpond.net.au>
1346 * config/rs6000/linux.h (POWERPC_LINUX): Define.
1347 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
1348 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
1349 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
1350 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
1351 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
1352 (rs6000_override_options): Initialize rs6000_ieeequad.
1353 Initialize TFmode format to ibm_extended_format if not
1355 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
1357 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
1358 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
1359 (function_arg_advance): IBM long double passed in two FPRs, not
1361 (function_arg): IBM long double passed in FPRs.
1362 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
1363 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
1364 Only multireg GPR aligned.
1365 (rs6000_init_libfuncs): Enable IBM long double functions if not
1367 (rs6000_generate_compare): Use IBM long double compare if not
1369 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
1370 (TARGET_IEEEQUAD): Define.
1371 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
1372 not TARGET_IEEEQUAD.
1373 * config/rs6000/rs6000.md: Enable TFmode patterns if
1375 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
1376 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1377 and -mlong-double-128 are incompatible.
1378 * doc/invoke.texi (-mabi): Collect options together. Add
1379 ibmlongdouble and ieeelongdouble.
1381 2006-01-27 Richard Sandiford <richard@codesourcery.com>
1383 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
1385 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
1386 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
1387 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
1388 * rtl.h (rtunion_def): Remove rt_ptr.
1390 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
1391 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
1392 * config/i386/winnt.c (i386_pe_mark_dllexport)
1393 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
1395 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
1397 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
1399 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
1403 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
1404 pthread_key_delete. From John David Anglin. gthrw-ify
1405 pthread_getunique_np only if it it's not a macro. Delete
1407 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
1408 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
1409 __gthread_objc_condition_signal, __gthread_key_delete): Add
1410 "__attribute__ ((__unused__))" to unused arguments.
1411 (__gthread_recursive_mutex_init_function): Add missing return.
1412 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
1413 gthr-posix95.h: Use macro-based approach for name redirection
1414 on targets missing weakref.
1416 2006-01-26 Zack Weinberg <zackw@panix.com>
1418 * genconditions.c (write_header): In generated code, #ifdef out
1419 all includes and fake declarations, except includes of bconfig.h
1420 and system.h, unless GCC_VERSION >= 3001. Do not include
1421 gensupport.h in any case.
1422 (write_conditions): Generate a definition of struct c_test. Add
1423 a comment to the generated #endif.
1424 (write_one_condition): Escape backslashes in string too.
1425 (write_writer): Generated code must escape backslashes and quote
1426 marks (but not newlines) in the strings it writes.
1427 * Makefile.in (build/gencondmd.o): Update dependencies.
1429 2006-01-26 Steve Ellcey <sje@cup.hp.com>
1432 * Makefile.in (insn-automata.o): Add header file dependencies.
1433 * genautomata.c: Add includes.
1435 2006-01-26 Steve Ellcey <sje@cup.hp.com>
1438 * Makefile.in (insn-automata.o): Add -Wno-error flag.
1440 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
1442 * configure.ac: Expect target tools paths to be passed from the toplevel
1443 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
1445 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
1447 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
1450 * c.opt (Wpointer-sign): Init to -1.
1451 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
1452 OPT_pedantic, to 0 otherwise.
1453 * doc/invoke.texi: Update.
1455 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
1457 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
1458 constants provided by 80387 instructions in the destination mode.
1460 2006-01-26 Richard Guenther <rguenther@suse.de>
1461 Andrew Pinski <pinskia@physics.uc.edu>
1464 partial PR tree-opt/17064
1465 * tree-ssa-structalias.c (intra_create_variable_infos):
1466 Create heap variables for incoming parameters if
1467 flag_argument_noalias > 1.
1468 (find_what_p_points_to): Look through default defs of
1471 2006-01-26 Jeff Law <law@redhat.com>
1474 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
1475 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
1476 within the VR_RANGE, use the VR_RANGE as the result, not the
1478 (adjust_range_with_scev): Reject ranges from SCEV which are out of
1479 bounds for the type.
1481 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
1483 * tree-ssa-alias.c (maybe_create_global_var): Change
1484 subvar walking to an assertion that we don't have subvar'd variables.
1486 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
1489 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
1490 Use a new variable, inner. PARM_DECLs are always non-weak.
1492 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
1494 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
1497 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
1499 * config/mips/mips.md (*clear_upper32): New combiner pattern.
1501 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
1503 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
1504 (smax_insn, smin_insn, smax_0, smin_0): New.
1506 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
1509 * config/cris/cris.c (cris_order_for_addsi3): New function.
1510 * config/cris/cris-protos.h: Prototype it.
1511 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
1512 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
1513 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
1514 (split for "op.S1 [rx=rx+i],ry (swapped)")
1515 (split for "op(s|u).S1 [rx=rx+i],ry")
1516 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
1517 Apply cris_order_for_addsi3 when generating addsi3 insns.
1519 2006-01-25 Diego Novillo <dnovillo@redhat.com>
1521 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
1522 (TREE_BLOCK): Add call to EXPR_CHECK.
1524 2006-01-25 Diego Novillo <dnovillo@redhat.com>
1527 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
1528 * tree-pretty-print.c (dump_omp_clause): Extract from ...
1529 (dump_omp_clauses): ... here.
1530 (dump_generic_node): Handle OMP_CLAUSE.
1531 * tree.c (omp_clause_num_ops): New.
1532 (omp_clause_code_name): New.
1533 (tree_code_size): Handle OMP_CLAUSE.
1534 (tree_size): Likewise.
1535 (make_node): Document handling of OMP_CLAUSE.
1536 (tree_node_structure): Handle OMP_CLAUSE.
1537 (omp_clause_check_failed): New.
1538 (omp_clause_range_check_failed): New.
1539 (omp_clause_operand_check_failed): New.
1540 (build_omp_clause): New.
1541 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
1542 * tree.h (enum omp_clause_code): Declare.
1543 (OMP_CLAUSE_SUBCODE_CHECK): Define.
1544 (OMP_CLAUSE_RANGE_CHECK): Define.
1545 (OMP_CLAUSE_ELT_CHECK): Define.
1546 (omp_clause_check_failed): Declare.
1547 (omp_clause_operand_check_failed): Declare.
1548 (omp_clause_range_check_failed): Declare.
1549 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
1550 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
1551 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
1552 (OMP_CLAUSE_LASTPRIVATE): Likewise.
1553 (OMP_CLAUSE_IF_EXPR): Likewise.
1554 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
1555 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
1556 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
1557 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
1558 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
1559 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
1560 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
1561 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
1562 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
1563 (OMP_CLAUSE_CODE): Define.
1564 (OMP_CLAUSE_SET_CODE): Define.
1565 (OMP_CLAUSE_CODE): Define.
1566 (OMP_CLAUSE_OPERAND): Define.
1567 (struct tree_omp_clause): Declare.
1568 (union tree_node): Add field 'omp_clause'.
1569 * treestruct.def (TS_OMP_CLAUSE): Define.
1570 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
1571 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
1572 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
1573 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
1574 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
1575 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
1576 (OMP_CLAUSE): Define.
1577 * print-tree.c (print_node): Handle OMP_CLAUSE.
1578 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
1579 * c-typeck.c: Likewise.
1580 * gimplify.c: Likewise.
1581 * c-omp.c: Likewise.
1582 * tree-nested.c: Likewise.
1583 * tree-inline.c: Likewise.
1584 * c-parser.c: Likewise.
1585 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
1588 2006-01-25 Roger Sayle <roger@eyesopen.com>
1590 PR rtl-optimization/25703
1591 * combine.c (try_combine): Handle zero_extract and strict_low_part
1592 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
1594 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
1596 * global.c: Fix comment typos.
1598 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
1601 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
1602 Use output_addr_const instead of assemble_name.
1604 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
1606 * Makefile.in (sched-vis.o): Update dependencies.
1607 * haifa-sched.c (sched_finish): Clear current_sched_info.
1608 * cfg.c (dump_bb_info): New, split from dump_flow_info.
1609 (dump_flow_info): Call it.
1610 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
1612 * basic-block.h (dump_bb_info): Declare.
1613 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
1614 option, and apply options only for dump files whose TDF_RTL,
1615 TDF_TREE, or TDF_IPA bits match.
1616 * rtl.h: Declare new functions exported from sched-vis.c.
1617 * sched-vis.c: Enable also if scheduling is not used.
1618 (print_value): Print the mode of registers if not inside scheduling.
1619 (print_insn): Make it work outside the scheduler. Beautify the output
1621 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
1623 2006-01-25 Richard Sandiford <richard@codesourcery.com>
1625 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
1626 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
1627 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
1628 depending on the value of CONSTANT_POOL_ADDRESS_P.
1629 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
1631 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
1632 rather than SYMBOL_REF_DECL.
1633 (rtx_constant_pool): Remove const_rtx_sym_htab.
1634 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
1635 (init_varasm_status): Don't initialize const_rtx_sym_htab.
1636 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
1637 Remove handling of const_rtx_sym_htab.
1638 (find_pool_constant): Delete.
1639 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
1640 rather than find_pool_constant.
1641 (get_pool_constant_for_function): Delete.
1642 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
1644 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
1645 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
1646 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
1647 (SYMBOL_REF_CONSTANT): New macro.
1648 (get_pool_constant_for_function): Delete.
1649 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
1650 rather than SYMBOL_REF_DECL.
1651 (i386_pe_mark_dllimport): Likewise.
1652 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
1653 rather than SYMBOL_REF_DECL.
1654 * config/darwin.c (machopic_indirect_data_reference): Likewise.
1655 (machopic_indirect_call_target): Likewise.
1657 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
1659 * flow.c (delete_noop_moves): Add missing EOL to dump message.
1661 2006-01-25 Richard Sandiford <richard@codesourcery.com>
1663 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
1665 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
1667 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
1669 2006-01-24 David Daney <ddaney@avtrex.com>
1672 * configure.ac (enable_tls): New enable option.
1673 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
1674 * configure: Regenerate.
1675 * doc/install.texi (--enable-tls): Document new option.
1676 (--disable-tls): Ditto.
1678 2006-01-24 Richard Henderson <rth@redehat.com>
1680 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
1681 * alias.c (true_dependence): Respect it.
1682 (canon_true_dependence, write_dependence_p): Likewise.
1683 * builtins.c (get_builtin_sync_mem): Set it.
1685 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
1687 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
1690 2006-01-24 DJ Delorie <dj@redhat.com>
1692 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
1693 for storing constants in single-bit bitfields.
1695 2006-01-25 Ben Elliston <bje@au.ibm.com>
1697 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
1699 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
1702 * tree-ssa-pre.c (phi_translate): Return NULL
1703 for AGGREGATE_TYPE's.
1705 2006-01-24 Zack Weinberg <zackw@panix.com>
1707 * genautomata.c (process_state_for_insn_equiv_partition):
1708 Use xcalloc for insn_arcs_array.
1709 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
1710 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
1712 2006-01-24 Richard Henderson <rth@redhat.com>
1714 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
1717 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
1719 PR rtl-optimization/25890
1720 PR rtl-optimization/25905
1721 * combine.c (expand_compound_operation, expand_field_assignment):
1722 Fail if the bitfield's final position is out of bounds.
1724 2006-01-24 Ian Lance Taylor <ian@airs.com>
1727 * cgraphunit.c (cgraph_output_in_order): Don't clear
1728 cgraph_asm_nodes until after asm strings have been output.
1730 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
1732 * fix-header.c (read_scan_file): Add new parameter imultilib when
1733 calling register_include_chains.
1735 2006-01-23 Diego Novillo <dnovillo@redhat.com>
1737 * omp-low.c: Update documentation.
1739 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
1740 Daniel Berlin <dberlin@dberlin.org>
1744 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
1745 return from the function.
1747 2006-01-22 Zack Weinberg <zackw@panix.com>
1749 * rtl.def (match_code): Add second argument.
1750 * genpreds.c (write_extract_subexp): New function.
1751 (write_match_code): Add path argument. Use write_extract_subexp.
1752 (write_predicate_expr): Pass path to write_match_code.
1753 (mark_mode_tests): MATCH_CODE applied to a subexpression does
1754 not perform a mode test.
1755 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
1756 a subexpression does not constrain the top-level code set.
1757 * read-rtl.c (read_rtx_variadic): New function.
1758 (read_rtx_1): Use it; allow AND and IOR to be variadic.
1759 * doc/md.texi: Document new notation.
1760 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
1761 (cmpsi_operand): ... here, using new notation.
1763 2006-01-22 Zack Weinberg <zackw@panix.com>
1765 * varray.c: Remove GENERATOR_FILE #ifdefs.
1767 2006-01-22 Zack Weinberg <zackw@panix.com>
1769 * genautomata.c (output_reserved_units_table): Emit nothing if
1770 description->query_units_num is zero. Remove extra blank line.
1771 (output_cpu_unit_reservation_p): Short circuit
1772 if description->query_units_num is zero.
1774 2006-01-22 Zack Weinberg <zackw@panix.com>
1776 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
1777 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
1778 nor any of the random handful of variables that used to be necessary
1779 when this program was linked with rtlanal.o. Prune set of forward
1780 function declarations.
1781 (struct attr_desc): Remove static_p field.
1782 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
1783 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
1784 (attr_string): Do not read the character one past the length of
1786 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
1787 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
1788 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
1789 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
1790 (make_automaton_attrs): New.
1791 (main): Do not call into genautomata. Call local gen_bypass
1792 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
1793 Remove special case for insn_alts.
1794 * genautomata.c: Include gensupport.h; not genattrtab.h nor
1795 varray.h (leftover from previous change). Prune set of forward
1796 function declarations. Remove state_alts fields from all
1797 structures. Remove state_alts_table from struct automaton.
1798 Make everything except main static. Do not maintain num_dfa_decls.
1799 Do not maintain state_alts fields of various structures.
1800 (process_decls): Don't validate condexp for dm_insn_reserv decls.
1801 (add_arc): Remove state_alts argument. All callers updated.
1802 (output_reserved_units_table): Emit #ifdef here...
1803 (output_tables): ...not here. Don't generate state_alts tables.
1804 (expand_automata): Don't generate attributes.
1805 (write_automata): Don't generate state_alts functions.
1806 (main): New function.
1807 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
1808 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
1809 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
1810 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
1811 (BYPASS_P_FUNC_NAME, output_state_alts_table)
1812 (output_automata_list_state_alts_code, output_internal_state_alts_func)
1813 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
1814 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
1816 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
1817 * genattrtab.h: Delete file.
1818 * Makefile.in (OBJS-common): Add insn-automata.o.
1819 (insn-automata.o): New rule.
1820 (simple_generated_c): Add insn-automata.c.
1821 (build/genattrtab.o, build/genautomata.o): Update dependencies.
1822 (genprogmd): Add automata.
1823 (build/genattrtab): Needs no extra objects nor libraries.
1824 (build/genautomata): Needs build/vec.o and -lm.
1826 2006-01-22 Zack Weinberg <zackw@panix.com>
1828 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
1829 (output_dfa_max_issue_rate, locked_states_num): Delete.
1830 (struct automaton): Add locked_states field.
1831 (output_dead_lock_vect): Save number of locked states in
1832 automaton->locked_states. If it is zero, don't print anything.
1833 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
1834 (output_internal_dead_lock_func): Only test the dead_lock_vect
1835 for automata that have locked states.
1836 (output_statistics): Always print the number of locked states for
1837 each automaton. Calculate total number of locked states here.
1838 (write_automata): Don't call output_dfa_max_issue_rate.
1839 * genattrtab.c: Define length_unit_log as a const variable.
1840 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
1841 max_insn_queue_index const.
1842 * final.c (length_unit_log): Declare const.
1843 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
1845 2006-01-22 Zack Weinberg <zackw@panix.com>
1847 * genautomata.c: Include vec.h, not varray.h.
1848 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
1849 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
1850 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
1851 VEC_* macros operating on appropriately typed vectors, or to
1852 malloced arrays when the size is known in advance. Const-ify
1853 many char* variables and function arguments. No functional changes.
1854 * Makefile.in (build/varray.o): Delete rule.
1855 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
1856 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
1858 2006-01-22 Zack Weinberg <zackw@panix.com>
1860 * gensupport.c: Define get_insn_name and record_insn_name here.
1861 (read_md_rtx): Call record_insn_name as appropriate.
1862 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
1863 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
1864 * genpreds.c, genrecog.c: Don't define get_insn_name nor
1866 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
1867 (BUILD_VARRAY): Delete.
1868 (genprognormal): Rename genprogmd. Fold in all programs from
1869 genprognoprint; also attrtab.
1870 (build/genattrtab): Just mention genautomata.o and varray.o.
1871 Reorganize a bit, add comments to make the categories clearer.
1873 2006-01-22 Zack Weinberg <zackw@panix.com>
1875 * genconditions.c (condition_table, add_condition): Delete.
1876 (write_conditions): Don't emit n_insn_conditions nor
1877 insn_elision_unavailable. Issue the gcc version #ifdef here,
1878 inside the table, with no #else clause ...
1879 (write_header): ...not here.
1880 (write_writer): New function.
1881 (main): Don't initialize condition_table. Use add_c_test.
1883 * gensupport.c (init_md_reader_args_cb): Handle multiple input
1884 files on the command line.
1885 (maybe_eval_c_test): Don't check insn_elision_unavailable.
1886 Return -1 if there is no entry in the table, don't abort.
1887 (add_c_test, traverse_c_tests): New functions.
1888 * gensupport.h (insn_elision_unavailable, insn_conditions)
1889 (n_insn_conditions): Delete declarations.
1890 (add_c_test, traverse_c_tests): Declare.
1891 * read-rtl.c: Include gensupport.h.
1892 (read_conditions): New function.
1893 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
1894 (read_rtx_1): If we get EOF when we were looking for an initial
1895 open paren, return 0. Call read_conditions when appropriate.
1896 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
1897 dummy-conditions.o. Eliminate references to insn-conditions.o,
1898 or change them to build/gencondmd.o, as appropriate. Remove
1899 insn-constants.h from $(simple_generated_h) and insn-conditions.c
1900 from $(simple_generated_c). For all files remaining in those
1901 two lists, add insn-conditions.md to the generator command line.
1902 Give insn-constants.h/s-constants their own rules. Add rules
1903 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
1904 (build/read-rtl.o): Depend on gensupport.h.
1905 (genprognormal): Include preds.
1906 (genprogearly): Rename genprognoprint; only difference is now that
1907 they don't link with $(BUILD_PRINT).
1908 * dummy-conditions.c: Delete.
1910 2006-01-22 Zack Weinberg <zackw@panix.com>
1912 * genextract.c: Don't include insn-config.h. Do include vec.h.
1913 Declare vectors of int, char, and locstr.
1914 (locstr): New typedef.
1915 (struct extraction): Make all array fields into bare pointers.
1916 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
1917 (insn_code_number): Delete.
1918 (accum_extract): New struct.
1919 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
1920 (gen_insn): Take insn_code_number as an argument. Use an
1921 accum_extract structure instead of loading data directly into
1922 a struct extraction, and having to know how big it might get.
1923 (walk_rtx): Operate entirely on an accum_extract structure.
1924 (print_path): Avoid unnecessary use of printf.
1925 (print_header): New function, split out of main. Distinguish
1926 more carefully between an unrecognizable insn and an insn that
1927 has the code number of a define_expand.
1928 (main): Pass insn_code_number to gen_insn. Call print_header
1929 only after parsing. Avoid unnecessary use of printf.
1930 * Makefile.in (build/vec.o): New rule.
1931 (build/genextract): Depend on build/vec.o.
1932 (build/genextract.o): Don't depend on insn-config.h.
1934 2006-01-22 Zack Weinberg <zackw@panix.com>
1936 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
1937 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
1938 practical. Eliminate per-generator-program link rules.
1940 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
1943 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
1944 with a call expr to ...
1945 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
1947 2006-01-23 Richard Guenther <rguenther@suse.de>
1949 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
1950 before make_edge with conditional EDGE_TRUE_VALUE.
1952 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
1953 Jan Hubicka <jh@suse.cz>
1954 Richard Guenther <rguenther@suse.de>
1956 PR rtl-optimization/25654
1957 * cfgexpand.c (aggregate_contains_union_type): New function.
1958 (add_alias_set_conflicts): Call it. Make sure to add conflicts
1959 for structure variables that contain a union type.
1961 2006-01-23 Richard Sandiford <richard@codesourcery.com>
1963 * gengtype.c (new_structure): Return the structure.
1964 (create_option): Add an extra "next" argument.
1965 (create_field): New function.
1966 (adjust_field_rtx_def): Use create_option and create_field.
1967 Remove a now-unnecessary call to find_structure.
1968 (adjust_field_tree_def): Likewise.
1969 (note_yacc_type): Remove an unnecessary call to find_structure.
1970 * gengtype.h (new_structure): Return the structure.
1971 (create_option): Add an extra argument.
1972 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
1973 (option): Adjust calls to create_option.
1975 2006-01-22 David Edelsohn <edelsohn@gnu.org>
1977 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
1979 2006-01-22 Paul Brook <paul@codesourcery.com>
1980 Peter Barada <peter@the-baradas.com>
1982 * config/m68k/m68k.md: Add Coldfire FPU support.
1983 Define FP mode macro and associated attributes.
1984 Use it for float mode patterns.
1985 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
1986 (LIBCALL_VALUE): Use m68k_libcall_value.
1987 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
1988 (m68k_function_value): Ditto.
1989 (emit_move_sequence): Ditto.
1990 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
1991 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
1992 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
1993 (MULTILIB_EXCEPTIONS): Ditto.
1994 * config/m68k/m68k.opt: Add mcfv4e.
1995 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
1996 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
1997 (m68k_output_function_prologue): Save ColdFire FPU registers.
1998 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
1999 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
2000 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
2001 ColdFire FPU registers.
2002 (m68k_libcall_value, m68k_function_value): New functions.
2003 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
2004 (LIBCALL_VALUE): Use m68k_libcall_value.
2005 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
2006 (MASK_COLDFIRE): Add MASK_CFV4E.
2007 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
2008 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
2009 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
2010 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
2011 (GO_IF_LEGITIMATE_ADDRESS): Use it.
2012 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
2013 * doc/invoke.tex: Document -mcfv4e on m68k.
2015 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
2017 * doc/contribute.texi: Change CVS to SVN and update the corresponding
2020 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
2023 * c-opts.c (c_common_handle_option): Don't include
2024 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
2025 * doc/invoke.texi (C++ Dialect Options): Document that
2026 -Wnon-virtual-dtor is no longer included in -Wall.
2028 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
2030 * gcov.c (print_version), gcov-dump.c (print_version),
2031 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
2034 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
2036 * df-scan.c (problem_SCAN): Added NULL reset function.
2037 (df_scan_reset_blocks): Added code to call reset block function
2038 (df_bb_refs_delete) Fixed comment.
2039 (df_insn_refs_delete): Made tolerant of deleting non existent info
2040 for dataflow problems that need to be reset.
2041 * df-core.c (df_set_blocks): Ditto.
2042 * df.h (struct df_problem): Added reset_fun.
2043 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
2044 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
2045 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
2046 functions to clear out all references to def-use or use-def chains.
2048 2006-01-21 Ben Elliston <bje@au.ibm.com>
2050 * varasm.c (assemble_real): Initialise data array.
2052 2006-01-20 Paul Brook <paul@codesourcery.com>
2054 Merge from csl-arm-branch.
2055 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
2056 * config/arm/arm.md (movdi): Force operands[1] to a register
2057 if we have a non-register source.
2058 (*arm_movdi, *movdf_soft_insn): Require that one of the
2059 operands be a register.
2060 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
2061 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2063 2006-01-20 DJ Delorie <dj@redhat.com>
2065 * varasm.c (initialize_constant_valid_p): Allow pointers
2066 initialized from integer constants of lesser precision.
2067 (output_constant): Allow non-int-sized pointer modes to be
2068 initialized from integer constants.
2070 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
2073 * cppdefault.h (struct default_include): Add multilib flag.
2074 * cppdefault.c (cpp_include_defaults): Set it.
2075 * c.opt (-imultilib): New option.
2076 * c-opts.c (imultilib): New.
2077 (c_common_handle_option): Handle -imultilib.
2078 (c_common_post_options): Likewise.
2079 * c-incpath.c (add_standard_paths, register_include_chains):
2081 * c-incpath.h (register_include_chains): Add extra parameter.
2082 * gcc.c (do_spec_1): Generate -imultilib option.
2083 (The Specs Language): Update %I description.
2084 (process_command): Update copyright notice.
2085 * doc/cppopts.texi (-imultilib): Document.
2086 * doc/invoke.texi (-imultilib): Include in option summary.
2087 (%I): Update specs documentation.
2089 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2091 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
2093 2006-01-20 Richard Sandiford <richard@codesourcery.com>
2095 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
2098 2006-01-20 Richard Guenther <rguenther@suse.de>
2099 Steven Bosscher <stevenb.gcc@gmail.com>
2101 PR rtl-optimization/24626
2102 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
2103 EDGE_TRUE_VALUE if in RTL mode.
2106 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
2107 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
2109 2006-01-20 Dirk Mueller <dmueller@suse.com>
2112 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
2113 instead of a special NOP marker.
2114 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
2115 NOP marker handling.
2116 * c-common.h (empty_body_warning): Add forward declaration.
2117 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
2118 Now uses IS_EMPTY_STMT() instead of special NOP markers.
2120 2006-01-20 Paul Brook <paul@codesourcery.com>
2122 * Makefile.in (lang_checks): Keep going if mkdir fails.
2124 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2126 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
2127 be able to clean out basic block when not necessary.
2128 (df_scan_free): Fixed to properly delete information if df is
2129 unused before calling df_finish.
2130 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
2131 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
2133 (df_bb_refs_delete): New function.
2134 (df_refs_delete): Moved per block code to df_bb_refs_delete.
2135 * df-core.c (df_set_blocks): Added code to properly clean out
2136 unused blocks if they are not part of the blocks to consider.
2137 Added additional null check.
2138 (df_compact_blocks): Added basic block parameter to free_bb_fun to
2139 be able to clean out basic block when not necessary
2140 * df.h (df_free_bb_function): Ditto.
2141 (df_bb_refs_delete): New function.
2142 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
2143 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
2144 basic block parameter to be able to clean out basic block when not
2146 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
2147 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
2148 Fixed to properly delete information if df is unused before
2151 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2153 PR rtl-optimization/25799
2154 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
2155 Corrected confluence operator to remove bits from op2 before oring
2156 with op1 rather than removing bits from op1.
2157 (df_ru_transfer_function): Corrected test on wrong bitmap which
2158 caused infinite loop. Both of these problems were introduced in
2159 the dataflow rewrite.
2161 2006-01-19 DJ Delorie <dj@redhat.com>
2163 * reload1.c (find_reload_regs): Note the details of reload
2164 failures in the dump file.
2165 (spill_failure): Likewise.
2167 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
2169 * loop-iv.c: Include df.h and hashtab.h.
2170 (enum iv_grd_result): New enum.
2171 (DF_REF_IV, DF_REF_IV_SET): New macros.
2172 (struct biv_entry): New.
2173 (df, bivs): New global variables.
2174 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
2175 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
2177 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
2178 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
2179 analyzed_for_bivness_p, record_biv): New functions.
2180 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
2181 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
2182 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
2184 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
2186 (iv_number_of_iterations): Use new interface to iv analysis.
2187 * loop-unroll.c: Do not include varray.h.
2188 (analyze_iv_to_split_insn): Use new interface to iv
2190 * loop-unswitch.c (may_unswitch_on): Ditto.
2191 * df.c (df_bitmaps_free): Only work for bbs for that structures are
2193 (df_bb_modify): Realloc tables to the new index.
2194 (df_find_use): New function.
2195 * df.h (df_find_use): Declare.
2196 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
2198 * cfgloop.h (struct rtx_iv): Remove analysed field.
2199 (iv_get_reaching_def): Removed.
2200 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
2201 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
2202 (loop-iv.o): Add df.h and hashtab.h dependency.
2203 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
2205 2006-01-20 Alan Modra <amodra@bigpond.net.au>
2208 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
2210 (__floatundisf, __floatundidf): Likewise.
2211 * libgcc2.h (IS_IBM_EXTENDED): Define.
2213 2006-01-19 DJ Delorie <dj@redhat.com>
2215 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
2217 2006-01-19 Paul Brook <paul@codesourcery.com>
2219 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
2220 as nothrow when unwinding tables are disabled.
2222 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2225 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
2226 of bit-field" when in system header.
2228 2006-01-19 DJ Delorie <dj@redhat.com>
2230 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
2231 the 16 bit shift limit of the m16c.
2233 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
2236 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
2237 * config/i386/i386.c (output_set_got): Output the label if we have one
2238 for the TARGET_DEEP_BRANCH_PREDICTION case.
2240 2006-01-19 Jan Hubicka <jh@suse.cz>
2241 H.J. Lu <hongjiu.lu@intel.com>
2242 Evandro Menezes <evandro.menezes@amd.com>
2244 * invoke.texi (generic): Document
2246 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
2247 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
2248 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
2249 (x86_use_incdec, x86_pad_returns): New variables
2250 (TARGET_CPU_DEFAULT_generic): New constant
2251 (TARGET_CPU_DEFAULT_NAMES): Add generic.
2252 (enum processor_type): Add generic32 and generic64.
2253 * i386.md (cpu attribute): Add generic32/generic64
2254 (movhi splitter): Behave sanely when both partial_reg_dependency and
2255 partial_reg_stall are set.
2256 (K8 splitters): Enable for generic as well.
2257 * predicates.md (incdec_operand): Use TARGET_INCDEC
2258 (aligned_operand): Avoid memory mismatch stalls.
2259 * athlon.md: Enable for generic64, new patterns for 128bit moves.
2260 * ppro.md: Enable for generic32
2261 * i386.c (generic64_cost, generic32_cost): New.
2262 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
2263 (x86_use_leave): Enable for generic64. (x86_use_sahf,
2264 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
2265 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
2266 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2267 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2268 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2269 x86_accumulate_outgoing_args, x86_prologue_using_move,
2270 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2271 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
2273 (x86_use_incdec, x86_pad_returns): New.
2274 (override_options): Add generic32 and generic64, translate "generic"
2275 to generic32/generic64 and "i686" to "generic32", refuse
2276 "generic32"/"generic64" as arch target.
2277 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
2278 (ix86_reorg): Honor PAD_RETURNS.
2280 2006-01-19 Diego Novillo <dnovillo@redhat.com>
2282 * tree-pretty-print.c (dump_generic_node): Handle
2283 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
2284 * cgraph.c (cgraph_expand_queue): Rename from
2285 cgraph_analyze_queue. Update all users.
2286 * cgraphunit.c (cgraph_assemble_pending_functions): Process
2287 cgraph_expand_queue.
2288 (cgraph_expand_all_functions): Likewise.
2289 (cgraph_finalize_pending_functions): Remove. Update callers.
2291 * tree.h (OMP_DIRECTIVE_P): Define.
2292 (OMP_PARALLEL_FN): Define.
2293 (OMP_PARALLEL_DATA_ARG): Define.
2294 (OMP_SECTIONS_SECTIONS): Define.
2295 * tree-pass.h (pass_expand_omp): Declare.
2296 * omp-low.c (struct omp_region): Declare.
2297 (struct omp_context): Remove fields 'parallel_type',
2298 'parallel_start_ix' and 'parallel_start_additional_args'.
2300 (struct omp_for_data): Rename from struct expand_omp_for_data.
2301 (omp_regions): New static variable.
2302 (root_omp_region): New static variable.
2303 (find_omp_clause): Make static.
2304 (is_in_combined_parallel_ctx): Remove.
2305 (is_combined_parallel): New.
2306 (extract_omp_for_data): Move earlier in the file.
2307 (workshare_safe_to_combine_p): New.
2308 (get_ws_args_for): New.
2309 (determine_parallel_type): Move earlier in the file.
2310 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
2312 (omp_copy_decl): Likewise.
2313 (create_omp_child_function): Likewise.
2314 (lookup_omp_region): New.
2315 (dump_omp_region): New.
2316 (debug_omp_region): New.
2317 (debug_all_omp_regions): New.
2318 (new_omp_region): New.
2319 (scan_omp_parallel): If parallel_nesting_level > 1, the
2320 directive is nested within another parallel directive.
2321 Set OMP_PARALLEL_FN.
2322 (scan_omp_for): Do not try to handle combined parallel+for
2324 Remove FIXME comment.
2325 (scan_omp_nested): Remove.
2326 (scan_omp_1): Do not call scan_omp_nested when
2327 parallel_nesting_level is > 1.
2328 Do not change the DECL_CONTEXT of local variables found.
2329 (lookup_decl_in_outer_ctx): New.
2330 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
2331 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
2332 (lower_reduction_clauses): Rename from expand_reduction_clauses.
2333 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
2334 If CTX is nested, lookup VAR in the outer context when
2335 building copy assignment.
2336 (lower_send_clauses): Rename from expand_send_clauses.
2337 If CTX is nested, lookup VAR in the outer context when
2338 building copy assignments.
2339 (lower_send_shared_vars): Rename from expand_send_shared_vars.
2340 If CTX is nested, lookup VAR in the outer context when
2341 building copy assignments.
2342 (expand_parallel_call): Rename from build_parallel_call.
2343 Handle combined parallel+workshare cases.
2344 Re-implement to emit code into the CFG.
2346 (expand_omp_parallel): Re-implement to emit code into the CFG.
2347 Call move_sese_region_to_fn to outline the sub-graph
2348 containing the parallel region.
2349 (expand_omp_for_1): Remove.
2350 (expand_omp_for_generic): Re-implement to emit code into the
2352 (expand_omp_for_static_nochunk): Likewise.
2353 (expand_omp_for_static_chunk): Likewise.
2354 (expand_omp_for): Likewise.
2355 (expand_omp_sections): Likewise.
2356 (remove_exit_barriers): New.
2357 (expand_omp_synch): New.
2359 (build_omp_regions_1): New.
2360 (build_omp_regions): New.
2361 (execute_expand_omp): New.
2362 (gate_expand_omp): New.
2363 (pass_expand_omp): Define.
2364 (lower_omp_sections): Rename from expand_omp_sections.
2365 Set OMP_SECTIONS_SECTIONS.
2366 (lower_omp_single_simple): Rename from expand_omp_single_simple.
2367 (lower_omp_single_copy): Rename from expand_omp_single_copy.
2368 (lower_omp_single): Rename from expand_omp_simple.
2369 (lower_omp_master): Rename from expand_omp_master.
2370 (lower_omp_ordered): Rename from expand_omp_ordered.
2371 (lower_omp_critical): Rename from expand_omp_critical.
2372 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
2373 (lower_omp_for): Re-implement.
2374 (lower_omp_parallel): Re-implement.
2375 (lower_regimplify): Rename from expand_regimplify.
2376 (lower_omp_1): Rename from expand_omp_1.
2377 If there are syntax errors in the program, replace every
2378 OpenMP directive with NOP.
2379 Call lower_omp_* instead of expand_omp_*.
2380 (lower_omp): Rename from expand_omp.
2382 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
2383 * tree-gimple.h (enum omp_parallel_type): Remove.
2384 (gimple_boolify): Declare extern.
2385 (find_omp_clause, determine_parallel_type): Remove.
2387 * gimple-low.c (lower_omp_directive): New.
2388 (lower_stmt): Call it.
2389 (record_vars_into): Move from ...
2390 (record_vars): ... here.
2391 Call record_vars_into with current_function_decl.
2393 * gimplify.c (struct gimplify_ctx): Remove fields
2394 combined_pre_p and combined_ctxp. Update users.
2395 (get_formal_tmp_var): Add documentation.
2396 (gimple_boolify): Make extern.
2397 (gimplify_expr_in_ctx): Remove. Update callers.
2398 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
2399 will always be a BIND_EXPR.
2400 (gimplify_expr): Handle OMP_RETURN_EXPR.
2401 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
2402 (OMP_PARALLEL): Add 3 operands.
2403 (OMP_SECTIONS): Add 1 operand.
2404 (OMP_RETURN_EXPR): Define.
2406 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
2407 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
2408 * tree-iterator.c (alloc_stmt_list): Assert that we are not
2409 creating a circular free list.
2410 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
2412 * tree-flow.h (move_sese_region_to_fn): Declare.
2413 (record_vars_into): Declare.
2414 * tree-cfg.c (make_omp_sections_edges): New.
2415 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
2416 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
2417 OMP_SECTIONS and OMP_SECTION.
2418 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
2419 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
2420 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
2421 (gather_blocks_in_sese_region): New.
2422 (struct move_stmt_d): Declare.
2424 (move_block_to_fn): New.
2425 (move_sese_region_to_fn): New.
2427 * passes.c (init_optimization_passes): Schedule
2428 pass_expand_omp after pass_init_datastructures.
2430 * tree-ssa-operands.c (get_expr_operands): Handle
2431 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
2432 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
2434 2006-01-19 Jeff Law <law@redhat.com>
2436 * tree-vrp.c (extract_range_from_assert): Refine the result range
2437 if the variable referenced by the ASSERT_EXPR has a range and
2438 either the tentative result range or the previous range is a
2441 2006-01-19 Richard Sandiford <richard@codesourcery.com>
2443 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
2445 2006-01-19 Jan Hubicka <jh@suse.cz>
2447 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
2449 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
2451 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
2452 (expand_compound_operation, expand_field_assignment): Fail if the
2453 bit lengths of an extract operation are out of range.
2454 (make_extraction): Compute wanted_inner_mode based on the position
2455 and length of the extraction. Make it extraction_mode for non-constant
2456 positions, and do not modify offset in that case. When generating a
2457 new MEM, use a mode that can hold the extraction while keeping correct
2458 alignment. Remove code that supported MEMs wrapped by USEs.
2459 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
2461 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
2463 * config/s390/s390.md ("Y", "y"): New mode attribute.
2464 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
2465 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
2466 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
2467 "*addsi3_imm_cc", "*addsi3_carry1_cc",
2468 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
2469 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
2470 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
2471 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
2472 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
2473 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
2474 "addsi3", "subsi3"): Insn patterns removed.
2475 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
2476 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
2477 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
2478 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
2479 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
2480 "*sub<mode>3_cconly2"): New insn patterns.
2481 ("addsi3", "subsi3"): New expanders.
2483 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
2485 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
2486 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
2487 existing STMT_VINFO_VECTYPE if available.
2488 (vect_mark_relevant): Add special handling for stmts that are
2489 marked as STMT_VINFO_IN_PATTERN_P.
2490 (vect_analyze_loop): Call vect_pattern_recog.
2491 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2492 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
2494 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
2495 (vect_recog_func_ptr): New function-pointer type.
2496 * tree-vect-patterns.c: New file.
2497 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
2498 (vect_recog_dot_prod_pattern, vect_pattern_recog):
2499 (vect_pattern_recog_1): New functions.
2500 (vect_pattern_recog_funcs): New array of function pointers.
2502 * tree-vectorizer.h (ternary_op): New enum value.
2503 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
2504 declaration. Revised documentation. Removed redundant dump prints.
2505 Removed redundant argument. Added support for reduction patterns.
2506 (vectorizable_reduction): Added support for reduction patterns.
2507 (vect_transform_stmt): Added support for patterns.
2509 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
2510 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
2511 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
2512 (expand_widen_pattern_expr): New function.
2513 (init_optabs): Initialize new optabs udot_prod_optab,
2515 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
2516 (sdot_prod_optab, udot_prod_optab): Define new optabs.
2517 (expand_widen_pattern_expr): New function declaration.
2518 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
2520 * tree-inline.c (estimate_num_insns_1): Added cases for new
2521 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2522 * tree-pretty-print.c (dump_generic_node): Likewise.
2523 (op_prio): Likewise.
2524 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2525 * tree-ssa-operands.c (get_expr_operands): Added case for
2527 * tree-vect-patterns.c (widened_name_p): New function.
2528 (vect_recog_dot_prod_pattern): Added function implementation.
2529 * tree-vect-transform.c (get_initial_def_for_reduction): Added
2530 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
2531 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
2532 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
2534 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
2535 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
2536 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
2537 (init_optabs): Initialize new optabs widen_ssum_optab,
2539 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
2540 (widen_ssum_optab, widen_usum_optab): Define new optabs.
2541 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
2542 use instead of type of def.
2543 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
2544 function implementation.
2545 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
2546 widen_ssumv8hi): New.
2548 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
2551 2006-01-19 Richard Sandiford <richard@codesourcery.com>
2554 * c-decl.c (add_flexible_array_elts_to_size): New function.
2555 (finish_decl): Use it.
2557 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
2559 * diagnostic.h: Include options.h.
2560 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
2561 dependancies for diagnostic.h.
2562 * Makefile.in (DIAGNOSTIC_H): Add options.h.
2564 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
2566 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
2567 (ssa_ro_call_cache_valid): Ditto.
2568 * tree-ssa-alias.c (sort_tags_by_id): New function.
2569 (init_transitive_clobber_worklist): Ditto.
2570 (add_to_worklist): Ditto.
2571 (mark_aliases_call_clobbered): Ditto.
2572 (compute_tag_properties): Ditto.
2573 (set_initial_properties): Ditto.
2574 (compute_call_clobbered): Ditto.
2575 (compute_may_aliases): Call compute_call_clobbered and grouping.
2576 (compute_flow_sensitive_aliasing): Remove clobbering related code.
2577 (compute_flow_insensitive_aliasing): Grouping now happens in our
2579 (setup_pointers_and_addressables): Remove clobbering related code.
2580 (add_may_alias): Ditto.
2581 (replace_may_alias): Ditto.
2582 (get_nmt_for): Ditto.
2583 (create_global_var):
2584 (is_escape_site): Return an escape_type enumeration.
2585 * tree-flow-inline.h (is_call_clobbered): Global var does not
2586 imply call clobbered.
2587 (mark_call_clobbered): Take a reason for marking this. Remove
2588 marking of globalness, and cache invalidation.
2589 (clear_call_clobbered): Remove cache invalidation code.
2590 * tree-dfa.c (dump_variable): If details is on, dump the reason
2592 * tree-outof-ssa.c (create_temp): Copy escape mask from original
2594 * tree-flow.h (struct ptr_info_def): Add escape mask member.
2595 (struct var_ann_d): Ditto.
2596 (enum escape_type): New.
2597 (mark_call_clobbered): Adjust prototype.
2598 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
2599 are never call clobbered.
2600 Record reasons for escaping.
2601 * tree-ssa-structalias.h (is_escape_site): Update prototype.
2602 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
2603 (ssa_ro_call_cache_valid): Ditto.
2604 (clobbered_v_may_defs): Ditto.
2605 (clobbered_vuses): Ditto.
2606 (ro_call_vuses): Ditto.
2607 (clobber_stats): New.
2608 (init_ssa_operands): Zero out clobber stats.
2609 (fini_ssa_operands): Print out clobber stats.
2610 (get_call_expr_operands): Pass callee fndecl to
2612 (add_call_clobber_ops): Remove use of cache.
2613 Add use of PURE_CONST information.
2614 (add_call_read_ops): Remove use of cache.
2615 Add use of static not_read information.
2617 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
2619 Introduce TLS descriptors for i386 and x86_64.
2620 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
2621 (TARGET_ANY_GNU_TLS): New macro.
2622 (enum tls_dialect): Added TLS_DIALECT_GNU2.
2623 (struct machine_function): Add tls_descriptor_call_expanded_p.
2624 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
2625 (ix86_current_function_calls_tls_descriptor): Likewise.
2626 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
2627 (override_options): Introduce gnu2 tls dialect.
2628 (ix86_frame_pointer_required): Functions containing TLSCALLs are
2630 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
2632 (legitimize_tls_address): Adjust logic for GNU2 TLS.
2633 (ix86_init_machine_status): Initialize new field.
2634 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
2635 (ix86_tls_module_base): New.
2636 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
2637 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
2638 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
2639 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
2640 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
2641 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
2642 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
2643 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
2644 * config/i386/predicates.md (tls_modbase_operand): New.
2645 (tp_or_register_operand): New.
2647 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
2649 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
2650 (look_for_address_of): Ditto.
2651 (ipa_init): Walk the function decls.
2652 (static_execute): Don't set readonly on FUNCTION_DECL's.
2654 2006-01-18 Roger Sayle <roger@eyesopen.com>
2656 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
2657 for shifts where the source and destination registers are different.
2659 2006-01-18 Paul Brook <paul@codesourcery.com>
2661 Merge from csl-arm-branch.
2662 2005-03-14 Julian Brown <julian@codesourcery.com>
2663 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
2664 (aeabi_llsl): Likewise.
2665 (ashrdi3): Likewise.
2666 (aeabi_lasr): Likewise.
2667 (lshrdi3): Likewise.
2668 (aeabi_llsr): Likewise.
2669 2005-03-10 Julian Brown <julian@codesourcery.com>
2670 * config.gcc: Disable shared libgcc for SymbianOS.
2671 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
2673 2006-01-18 DJ Delorie <dj@redhat.com>
2675 * c-pragma.c (handle_pragma_diagnostic): New.
2676 (init_pragma): Register it.
2677 * doc/extend.texi: Document it.
2679 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
2680 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
2681 (diagnostic_context): Add classify_diagnostic[].
2682 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
2683 as errors if they're overridden to DK_WARNING.
2684 (diagnostic_initialize): Initialize classify_diagnostic[].
2685 (diagnostic_set_kind_override): New.
2686 (diagnostic_report_diagnostic): Check for kind changes.
2687 * opts.c (common_handle_option): Take lang_mask. Update callers.
2689 * common.opt (Werror=): New.
2690 * doc/invoke.texi: Document -Werror=*
2692 2006-01-18 Jeff Law <law@redhat.com>
2694 * tree-vrp.c (test_for_singularity): Correct test for new
2695 min limit. Use operand_equal_p rather than pointer equality
2696 for testing if new min/max values are equal.
2698 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
2699 using range information until after propagation and folding.
2701 2006-01-18 Richard Henderson <rth@redhat.com>
2702 Aldy Hernandez <aldyh@redhat.com>
2703 Jakub Jelinek <jakub@redhat.com>
2704 Diego Novillo <dnovillo@redhat.com>
2706 * omp-low.c: New file.
2707 * c-omp.c: New file.
2709 2006-01-18 Richard Henderson <rth@redhat.com>
2710 Jakub Jelinek <jakub@redhat.com>
2711 Diego Novillo <dnovillo@redhat.com>
2713 * doc/invoke.texi: Document -fopenmp.
2714 * tree-dump.h (debug_function): Declare.
2715 * hooks.c (hook_bool_tree_bool_false): New function.
2716 (hook_tree_tree_null): Remove.
2717 (hook_tree_tree_tree_null): New.
2718 * hooks.h: Update to match.
2719 * tree-pretty-print.c (debug_tree_chain): New.
2720 (print_generic_expr): Handle TDF_CHAIN.
2721 (dump_generic_node): Handle BLOCK.
2722 Do not abort with incomplete SWITCH_EXPRs.
2723 Do not dump body of an OpenMP directive if TDF_SLIM is given.
2724 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
2725 print space after directive name.
2726 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
2727 Handle OMP_MASTER and OMP_ORDERED.
2728 Handle printing of OMP_BODY just in one place, goto
2729 dump_omp_body in the rest of OMP_* nodes that have
2731 Don't handle clause nodes here. Update omp statements to
2732 use dump_omp_clauses.
2733 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
2734 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
2735 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
2736 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
2737 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
2738 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
2739 Adjust output for GOMP_PARALLEL.
2740 (dump_omp_clauses): New.
2741 (print_declaration): Dump DECL_VALUE_EXPR.
2742 (op_symbol_1): Split out of op_symbol.
2743 (dumping_stmts): Remove. Update all users.
2744 * cgraph.c (cgraph_analyze_queue): New.
2745 (cgraph_add_new_function): New.
2746 * cgraph.h (cgraph_analyze_queue): Declare.
2747 (cgraph_add_new_function): Declare.
2748 (cgraph_lower_function): Remove.
2749 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
2750 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
2751 and TYPE_P nodes in its default clause.
2752 (empty_body_p): New.
2753 (tree_range_check_failed): New.
2755 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
2756 OMP_CLAUSE_REDUCTION_MERGE,
2757 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
2758 OMP_CLAUSE_PRIVATE_DEBUG,
2759 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
2760 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
2761 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
2762 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
2763 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
2764 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
2765 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
2766 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
2767 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
2768 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
2769 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
2770 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
2771 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
2772 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
2773 (TREE_RANGE_CHECK): New.
2774 (empty_body_p): Declare.
2775 (enum omp_clause_default_kind): New.
2776 (build_string_literal): Declare.
2777 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
2778 (build5_stat, build5): Declare.
2779 * tree-pass.h (TDF_CHAIN): Define.
2780 * tree-pass.h (PROP_gimple_lomp): Define.
2781 (pass_lower_omp): Declare.
2782 * diagnostic.h (debug_tree_chain): Declare.
2783 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
2785 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
2786 * builtins.c (build_string_literal): Make extern.
2787 * gcc.c (include_spec_function): New.
2788 (static_spec_functions): Add it.
2789 (main): Move load of libgomp.spec ...
2790 (LINK_COMMAND_SPEC): ... here.
2791 (link_gomp_spec): New.
2792 (static_specs): Include it.
2793 (LINK_COMMAND_SPEC): Add link_gomp.
2794 (GOMP_SELF_SPECS): New.
2795 (driver_self_specs): Include it.
2796 (switch_matches): Don't mark inline.
2797 (main): Load libgomp.spec.
2798 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
2799 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
2800 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
2801 * tree-gimple.h (enum omp_parallel): Declare.
2802 (determine_parallel_type): Declare.
2803 (omp_firstprivatize_variable): Declare.
2804 (omp_reduction_init): Declare.
2805 (diagnose_omp_structured_block_errors): Declare.
2806 (struct walk_stmt_info): Add want_return_expr.
2807 (struct walk_stmt_info): Add want_bind_expr, want_locations.
2808 (find_omp_clause): Declare.
2809 (insert_field_into_struct): Declare.
2810 (struct walk_stmt_info): Move from tree-nested.c
2811 (walk_stmts): Declare.
2812 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
2814 * cgraphunit.c (cgraph_lower_function): Make static.
2815 (cgraph_finalize_pending_functions): New.
2816 (cgraph_finalize_function): Call it.
2817 (cgraph_finalize_compilation_unit): Likewise.
2818 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
2819 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
2820 (BT_FN_UINT_UINT): New.
2821 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
2822 DEF_FUNCTION_TYPE_VAR_4): Document.
2823 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
2824 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
2825 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
2826 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
2827 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
2828 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
2829 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
2830 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
2831 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
2832 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
2833 into separate files.
2834 (DEF_GOMP_BUILTIN): New.
2835 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
2836 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
2837 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
2838 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
2839 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
2840 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
2841 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
2842 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
2843 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
2844 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
2845 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
2846 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
2847 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
2848 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
2849 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
2850 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
2851 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
2852 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
2853 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
2854 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
2855 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
2856 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
2857 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
2858 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
2859 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
2860 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
2861 * sync-builtins.def: New file, moved from builtins.def.
2862 * omp-builtins.def: New file, moved from builtins.def.
2863 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
2864 * gimple-low.c (lower_function_body): Clear data.
2865 (lower_stmt): Do not handle COMPOUND_EXPR.
2866 Remove call to print_node_brief.
2867 * c-tree.h (c_finish_omp_clauses): New prototype.
2868 (C_DECL_THREADPRIVATE_P): Define.
2869 (lookup_name_no_remap, c_omp_remap_private): Remove
2870 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
2871 (check_for_loop_decls): Update decl.
2872 (lookup_name_no_remap, c_omp_remap_private): Declare.
2873 (build_indirect_ref, build_modify_expr, pushdecl,
2874 pushdecl_top_level): Move to c-common.h.
2875 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
2876 before the switch, but just in the 2 places that need it.
2877 * c-decl.c (diagnose_mismatched_decls): Do not check for
2878 mismatched thread-local attributes when OLDDECL is marked
2879 threadprivate and NEWDECL has no thread-local attributes.
2880 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
2881 (c_gimple_diagnostics_recursively): Rename from
2882 c_warn_unused_result_recursively. Invoke
2883 diagnose_omp_structured_block_errors.
2884 (check_for_loop_decls): Return a singular decl found.
2885 * langhooks.c (lhd_omp_predetermined_sharing): Return
2886 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
2887 (lhd_omp_firstprivatize_type_sizes): New.
2888 (lhd_omp_assignment): New.
2889 (lhd_omp_predetermined_sharing): New.
2890 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
2891 (struct lang_hooks_for_types): Add
2892 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
2893 omp_predetermined_sharing, omp_disregard_value_expr,
2894 omp_private_debug_clause, omp_clause_default_ctor,
2895 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
2896 (c_finish_omp_clauses): New.
2897 (c_finish_bc_stmt): Diagnose break within omp for.
2898 (c_begin_omp_parallel, c_finish_omp_parallel): New.
2899 (build_unary_op): Return error_mark after reporting
2901 (build_modify_expr): Likewise.
2902 * gimplify.c: Include optabs.h and pointer-set.h.
2903 (enum gimplify_omp_var_data): Declare.
2904 (struct gimplify_omp_ctx): Declare.
2905 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
2907 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
2908 (push_gimplify_context, pop_gimplify_context): Allow nesting.
2909 (splay_tree_compare_decl_uid): New.
2910 (new_omp_context): New.
2911 (delete_omp_context): New.
2912 (gimple_add_tmp_var): Call omp_add_variable.
2913 (gimplify_bind_expr): Likewise.
2914 (gimplify_var_or_parm_decl): If omp_notice_variable returned
2915 true, disregard DECL_VALUE_EXPR on the decl if any.
2916 (gimplify_expr_in_ctx): New.
2917 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
2918 omp_add_variable, omp_notice_variable, omp_is_private
2919 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
2920 gimplify_adjust_omp_clauses, gimplify_omp_parallel
2921 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
2922 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
2923 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
2924 gimplify_omp_atomic): New.
2925 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2926 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2927 OMP_CRITICAL and OMP_ATOMIC.
2928 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
2929 * c-pragma.h (enum pragma_kind): Add
2930 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
2931 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
2932 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
2933 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
2934 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
2935 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
2936 PRAGMA_OMP_THREADPRIVATE.
2937 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2938 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2939 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
2940 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
2941 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
2942 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
2943 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
2944 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
2945 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
2946 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
2947 * tree-ssa-dce.c (find_control_dependence): Do not assume that
2948 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
2949 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
2951 (struct nesting_info): Add field_map,
2952 suppress_expansion, debug_var_chain.
2953 (create_nesting_tree): Initialize them.
2954 (lookup_field_for_decl): Use field_map.
2955 (get_nonlocal_debug_decl, get_local_debug_decl): New.
2956 (convert_local_omp_clauses): New.
2957 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
2958 (walk_body): Split out of walk_function.
2959 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
2960 (convert_nonlocal_reference): Handle omp statements.
2961 (convert_local_reference): Likewise.
2962 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
2963 (unnest_nesting_tree): New.
2964 (lower_nested_functions): Call it.
2965 (insert_field_into_struct): Make extern.
2966 (struct walk_stmt_info): Move to tree-gimple.h.
2967 (walk_stmts): Make extern.
2968 * omp-builtins.def: New file.
2969 * tree-iterator.c (expr_only): Clarify comment.
2970 * c-common.h (pushdecl_top_level, pushdecl,
2971 build_modify_expr, build_indirect_ref,
2972 c_finish_omp_master, c_finish_omp_critical,
2973 c_finish_omp_ordered, c_finish_omp_barrier,
2974 c_finish_omp_atomic, c_finish_omp_flush,
2975 c_finish_omp_for, c_split_parallel_clauses,
2976 omp_clause_default_kind, c_omp_sharing_predetermined,
2977 c_omp_remap_decl): Declare.
2978 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
2979 (OBJS-common): Add omp-low.o.
2980 (c-omp.o, omp-low.o): Add.
2981 (gimplify.o): Add dependency on $(OPTABS_H).
2982 (GTFILES): Add omp-low.c.
2983 (gt-stringpool.h): Add.
2984 * tree-cfg.c (set_bb_for_stmt): Do not update the
2985 block-to-labels map if we are currently expanding to RTL.
2986 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
2988 Handle IDENTIFIER_NODE.
2989 (tree_verify_flow_info): Do not ICE when emitting error
2990 messages about invalid labels.
2991 (dump_function_to_file): Reset CFUN before emitting the body
2993 (debug_function): New.
2994 * passes.c (init_optimization_passes): Schedule
2996 * langhooks-def.h (lhd_omp_predetermined_sharing,
2997 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
2999 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
3000 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
3001 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
3002 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
3003 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
3004 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
3005 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
3006 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
3007 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
3008 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
3009 (LANG_HOOK_DECLS): Use them.
3011 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
3012 Richard Henderson <rth@redhat.com>
3013 Jakub Jelinek <jakub@redhat.com>
3014 Diego Novillo <dnovillo@redhat.com>
3016 * c-parser.c (pragma_omp_clause): Define.
3017 (c_parser_declaration_or_fndef): Document OpenMP syntax.
3018 (c_parser_compound_statement): Likewise.
3019 (c_parser_statement): Likewise.
3020 (c_parser_pragma): Handle omp pragmas.
3021 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
3022 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
3023 (c_parser_omp_clause_name, check_no_duplicate_clause,
3024 c_parser_omp_variable_list,
3025 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
3026 c_parser_omp_clause_copyprivate,
3027 c_parser_omp_clause_default,
3028 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
3029 c_parser_omp_clause_lastprivate,
3030 c_parser_omp_clause_nowait,
3031 c_parser_omp_clause_num_threads,
3032 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
3033 c_parser_omp_clause_reduction,
3034 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
3035 c_parser_omp_all_clauses, c_parser_omp_structured_block,
3036 c_parser_omp_atomic, c_parser_omp_barrier,
3037 c_parser_omp_critical, c_parser_omp_flush,
3038 c_parser_omp_for_loop, c_parser_omp_for,
3039 c_parser_omp_master, c_parser_omp_ordered,
3040 c_parser_omp_sections_scope, c_parser_omp_sections,
3041 c_parser_omp_parallel, c_parser_omp_single,
3042 c_parser_omp_construct, c_parser_omp_threadprivate): New.
3043 * c-pragma.c (init_pragma): Do omp pragma registration here.
3044 * c.opt (fopenmp): New flag.
3046 2006-01-18 Eric Christopher <echristo@apple.com>
3048 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
3049 * config/darwin.h (GOMP_SELF_SPECS): Define.
3051 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3053 * rtl.h: Remove the prototype for reg_alloc.
3055 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3058 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
3059 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
3060 sjlj and dwarf2 exception handling.
3061 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
3062 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
3063 * pa/pa.c (function_value): Treat complex and vector types as
3065 (function_arg): Likewise. Only pass scalar floats in the floating
3066 point argument registers.
3067 * pa/t-slibgcc-dwarf-ver: New file.
3068 * pa/t-slibgcc-sjlj-ver: New file.
3069 * pa/t-slibgcc-elf-ver: Delete file.
3071 2006-01-19 Alan Modra <amodra@bigpond.net.au>
3073 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
3074 unlikely_test_section_p test.
3076 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3078 * mode-switching.c (optimize_mode_switching): Make it static.
3079 * basic-block.h: Remove the prototype for
3080 optimize_mode_switching.
3082 * modulo-sched.c (sms_schedule): Make it static.
3083 * rtl.h: Remove the prototype for sms_schedule.
3085 * postreload-gcse.c (gcse_after_reload_main): Make it static.
3086 * rtl.h: Remove the prototype for gcse_after_reload_main.
3088 * reg-stack.c (reg_to_stack): Make it static.
3089 * rtl.h: Remove the prototype for reg_to_stack.
3091 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
3093 * rtl.h: Remove the prototypes for regrename_optimize and
3094 copyprop_hardreg_forward.
3096 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
3098 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
3099 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
3100 Test against the appropriate null constant for the mode.
3101 If 'fixup_overlap' is true, swap the operands if they overlap.
3102 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
3103 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
3104 alpha_split_tmode_pair and adjust for above change.
3105 * config/alpha/alpha.md (movtf_internal): Adjust call to
3106 alpha_split_tfmode_pair and rely on it to swap the operands.
3107 (movti_internal): New insn and post-reload splitter.
3108 (movti): New expander.
3110 2006-01-18 Philippe De Muyter <phdm@macqel.be>
3112 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
3115 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
3117 * rtlanal.c (global_reg_mentioned_p_1,
3118 global_reg_mentioned_p): Remove.
3119 * rtl.h: Remove the prototype for global_reg_mentioned_p.
3121 * flow.c (initialize_uninitialized_subregs): Make it static.
3122 * rtl.h: Remove the prototype for
3123 initialize_uninitialized_subregs.
3125 * function.c (instantiate_virtual_regs): Make it static.
3126 * function.h: Remove the prototype for
3127 instantiate_virtual_regs.
3129 * regmove.c (regmove_optimize, combine_stack_adjustments):
3131 * rtl.h: Remove the prototypes for regmove_optimize and
3132 combine_stack_adjustments.
3134 2006-01-17 Roger Sayle <roger@eyesopen.com>
3136 * config/i386/i386.c (COSTS_N_BYTES): New macro.
3137 (size_cost): Encode costs in bytes so that a reg-reg addition is
3138 equivalent to COSTS_N_INSNS(1).
3139 (override_options): Use the size_cost.branch_cost as the default
3140 ix86_branch_cost when optimizing for size.
3142 2006-01-18 Ben Elliston <bje@au.ibm.com>
3144 * Makefile.in (D32PBIT_FUNCS): New.
3145 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
3146 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
3147 D64PBIT_FUNCS and D128PBIT_FUNCS.
3148 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
3149 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
3151 (decnumber_dep): Define.
3152 * doc/libgcc.texi (Decimal float library routines): New node.
3153 * config/dfp-bit.h, config/dfp-bit.c: New files.
3155 2006-01-18 Ben Elliston <bje@au.ibm.com>
3157 * expr.c (emit_move_change_mode): Always adjust addresses, not
3158 just during reload. Copy replacements only during reload.
3159 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
3160 emit_move_via_integer.
3162 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
3164 * Makefile.in (check-%, check-consistency): Use $${srcdir}
3165 instead of $(srcdir) and ${srcdir}.
3167 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
3171 * arm.h (struct machine_function): Add pic_reg.
3172 * arm.c (arm_pic_register): Make unsigned.
3173 (arm_override_options): Only set arm_pic_register if
3174 TARGET_SINGLE_PIC_BASE.
3175 (use_return_insn): Only test for a pic register if it is fixed.
3176 (arm_compute_save_reg0_reg12_mask): Likewise.
3177 (thumb_compute_save_reg_mask): Likewise.
3178 (legitimate_pic_operand): Factor out some known invariants.
3179 (legitimize_pic_address): If we don't have a fixed pic register,
3180 then set up a pseudo in the function entry sequence. Handle the
3181 pic base being in a pseudo.
3182 (arm_load_pic_register): Handle the pic register being in a pseudo.
3183 (arm_expand_prologue): Only set up the pic register if it is fixed.
3184 (thumb_expand_prologue): Likewise.
3185 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
3186 (pic_load_addr_based_insn): Likewise.
3187 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
3190 2006-01-18 Ben Elliston <bje@au.ibm.com>
3192 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
3193 decimal float modes for all floating point registers.
3195 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
3196 match_code "mem" with match_test "macho_lo_sum_memory_operand".
3198 2006-01-17 Jakub Jelinek <jakub@redhat.com>
3201 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
3202 even when the pointer is not NULL.
3204 2006-01-16 Ian Lance Taylor <ian@airs.com>
3206 * common.opt (ftoplevel-reorder): New option.
3207 * cgraph.c (cgraph_asm_nodes): New global variable.
3208 (cgraph_asm_last_node): New static variable.
3209 (cgraph_order): New global variable.
3210 (cgraph_create_node): Set new order field.
3211 (cgraph_varpool_node): Likewise.
3212 (decide_is_variable_needed): Return true if not
3213 flag_toplevel_reorder.
3214 (cgraph_add_asm_node): New function.
3215 * cgraph.h (struct cgraph_node): Add order field.
3216 (struct cgraph_varpool_node): Add order field.
3217 (struct cgraph_asm_node): Define.
3218 (cgraph_asm_nodes, cgraph_order): Declare.
3219 (cgraph_add_asm_node): Declare.
3220 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
3222 (cgraph_varpool_assemble_pending_decls): Call it.
3223 (cgraph_output_pending_asms): New static function.
3224 (cgraph_finalize_compilation_unit): Call it.
3225 (struct cgraph_order_sort): Define.
3226 (cgraph_output_in_order): New static function.
3227 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
3228 !flag_toplevel_reorder case.
3229 * c-parser.c: Include "cgraph.h".
3230 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
3232 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
3233 than -fno-unit-at-a-time.
3234 * doc/invoke.texi (Option Summary): Mention
3235 -fno-toplevel-reorder.
3236 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
3237 -funit-at-a-time documentation.
3239 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
3240 Kazu Hirata <kazu@codesourcery.com>
3242 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
3244 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
3246 * Makefile.in (FUNCTION_H): New. Use it instead of
3247 function.h throughout the file.
3248 * function.h: Include tree.h.
3250 2006-01-17 Ben Elliston <bje@au.ibm.com>
3252 * recog.c: Separate some functions with whitespace.
3254 2006-01-16 Richard Henderson <rth@redhat.com>
3256 Merge from gomp branch:
3257 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
3258 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
3259 and rename from struct inline_data. Rename callee* to dst*;
3260 caller* to src*; add copy_decl hook, transform_call_graph_edges,
3261 transform_new_cfg, transform_return_to_modify, and
3262 transform_lang_insert_block flags; remove cloning_p, versioning_p,
3264 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
3265 (copy_decl_for_dup): Remove.
3266 * tree-inline.c (struct inline_data): Move to header.
3267 (insert_decl_map): Export.
3268 (remap_decl): Update for member name changes. Use copy_decl hook.
3269 Allow for replacement to be a non-decl. Remove dead code.
3270 (remap_type_1): Check for existing mapping.
3271 (remap_type): Export.
3272 (remap_decls): Update for member name changes.
3273 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
3274 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
3275 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
3276 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
3277 (tree_function_versioning, build_duplicate_type): Likewise.
3278 (copy_body_r): Likewise. Export.
3279 (copy_decl_for_dup): Split into ...
3280 (copy_decl_for_dup_finish, copy_decl_to_var,
3281 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
3282 (replace_ref_tree, inlining_p): Remove.
3284 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3286 * ifcvt.c (if_convert): Make it static.
3287 * rtl.h: Remove the prototype for if_convert.
3289 * local-alloc.c (local_alloc): Make it static.
3290 * rtl.h: Remove the prototype for local_alloc.
3292 * loop.c (loop_optimize): Make it static.
3293 * cfgloop.h: Remove the prototype for loop_optimize.
3296 2006-01-16 DJ Delorie <dj@redhat.com>
3298 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
3301 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3303 * pa.md: Disparage copies between general and floating-point registers
3304 in 32-bit move patterns.
3306 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
3309 * Makefile.in (check-%): Depend on site.exp instead of
3310 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
3313 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3315 * global.c (global_alloc): Make it static.
3316 * rtl.h: Remove the prototype for global_alloc.
3318 2006-01-16 Richard Guenther <rguenther@suse.de>
3320 * tree-ssa-alias.c (struct used_part): Add write_only field.
3321 (get_or_create_used_part_for): Initialize it to true.
3322 (create_overlap_variables_for): Don't create structure variables
3323 for structures that only are written to.
3324 (find_used_portions): Handle MODIFY_EXPR to track whether a
3325 structure is only written to.
3327 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3329 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
3331 * basic-block.h: Remove the prototype for
3332 partition_hot_cold_basic_blocks.
3334 2006-01-16 Rafael Ãvila de EspÃndola <rafael.espindola@gmail.com>
3336 * cppspec.c (lang_specific_spec_functions): Remove.
3337 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
3338 * gcc.h (lang_specific_spec_functions): Remove.
3339 * gccspec.c (lang_specific_spec_functions): Remove.
3341 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
3343 * combine.c (record_value_for_reg): Invalidate registers
3345 (record_dead_and_set_regs_1): Likewise, by passing them to
3346 record_value_for_reg.
3347 (record_dead_and_set_regs): Invalidate stores made by a
3348 call. We do not combine across a call, but we still
3349 relied on equivalences.
3351 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
3353 * tree-vrp.c (extract_range_from_binary_expr): Cope with
3354 vrp_int_const_binop returning non-constant nodes.
3356 2006-01-16 Paul Brook <paul@codesourcery.com>
3358 * config/m68k/m68k.c (output_move_const_into_data_reg):
3359 Output correct mnemonic for mvz and mvs.
3361 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
3363 * rtl-factoring.c: Add sequence abstraction algorithm.
3364 * cfgcleanup.c (outgoing_edges_match): Extra checks.
3365 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
3367 (block_has_preserve_label): New function.
3368 * common.opt: Register new pass.
3369 * Makefile.in: Ditto.
3371 * timevar.def: Ditto.
3372 * tree-pass.h: Ditto.
3373 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
3374 * rtl.h (make_jump_insn_raw): Add forward decl.
3375 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
3377 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
3378 Roger Sayle <roger@eyesopen.com>
3380 * fold-const.c (fold_minmax): New static function.
3381 (fold_binary) <MIN_EXPR>: Call it.
3382 <MAX_EXPR>: Likewise.
3383 * stor-layout.c (place_field): Use DECL_SIZE consistently
3384 in the computation of the new record size.
3386 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
3388 * cse.c (cse_condition_code_reg): Make it static.
3389 * rtl.h: Remove the prototype for cse_condition_code_reg.
3391 * combine.c (combine_instructions): Make it static.
3392 * rtl.h: Remove the prototype for combine_instructions.
3394 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3397 * tree.c (get_file_function_name_long): Concatenate the first global
3398 object name with a string derived from the input filename of the object
3401 2006-01-16 Ben Elliston <bje@au.ibm.com>
3403 * config/i386/winnt-stubs.c: Update FSF address.
3404 * config/xtensa/ieee754-df.S: Ditto.
3405 * config/xtensa/ieee754-sf.S: Ditto.
3407 2006-01-14 Ian Lance Taylor <ian@airs.com>
3409 * ifcvt.c (noce_init_if_info): New static function, broken out of
3410 noce_process_if_block.
3411 (noce_process_if_block): Call noce_init_if_info.
3412 (check_cond_move_block): New static function.
3413 (cond_move_process_if_block): New static function.
3414 (process_if_block): Call cond_move_process_if_block.
3416 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
3418 * cselib.c (hash_table): Rename to cselib_hash_table.
3419 (cselib_clear_table, discard_useless_values,
3420 remove_useless_values, cselib_lookup_mem, cselib_lookup,
3421 cselib_init, cselib_finish): Adjust uses of hash_table.
3423 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
3425 PR tree-optimization/25485
3426 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
3427 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
3428 is known to be false and true, respectively.
3430 2006-01-14 Richard Guenther <rguenther@suse.de>
3432 PR tree-optimization/22548
3433 PR tree-optimization/22555
3434 PR tree-optimization/22501
3435 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
3436 * params.def (salias-max-array-elements): New parameter.
3437 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
3438 * doc/invoke.texi (salias-max-array-elements): Document.
3439 * tree-flow-inline.h (var_can_have_subvars): We also handle
3441 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
3443 * tree-ssa-structalias.c (params.h): Include.
3444 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
3445 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
3446 (get_constraint_for): For ADDR_EXPR operating on something
3447 containing an ARRAY_REF, add all subvars to the solution.
3448 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
3449 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
3450 for creating MUST_DEFs.
3451 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
3453 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
3455 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
3457 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
3458 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3459 number_of_iterations_le): New functions.
3460 (number_of_iterations_special): Removed.
3461 (number_of_iterations_exit): Do not use number_of_iterations_special.
3462 * tree.c (unsigned_type_for): Always return integer type.
3464 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
3465 Richard Guenther <rguenther@suse.de>
3467 PR rtl-optimization/24257
3468 * gcse.c (find_moveable_store): Only consider a store movable
3469 when the SET_SRC of the insn can be assigned to a register.
3471 2006-01-14 Ian Lance Taylor <ian@airs.com>
3473 * tree.c (tree_not_class_check_failed): New function.
3474 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
3475 (tree_not_class_check_failed): Declare.
3477 2006-01-13 Ian Lance Taylor <ian@airs.com>
3479 * reload1.c (do_output_reload): Add assertion rejecting a
3482 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
3484 * combine.c (struct reg_stat): Add new fields truncation_label and
3486 (record_value_for_reg): Reset truncated_to_mode.
3487 (record_truncated_value): New function.
3488 (check_promoted_subreg): Call it. Rename to check_conversions.
3489 (combine_instructions): Rename check_promoted_subreg to
3491 (reg_truncated_to_mode): New function.
3492 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
3493 (gen_lowpart_or_truncate): New function.
3494 (force_to_mode): Use it instead of gen_lowpart.
3496 2006-01-13 Diego Novillo <dnovillo@redhat.com>
3498 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
3499 VAR is a tag, not its type tag.
3501 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
3503 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
3504 alternatives to match style of other entries.
3505 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
3507 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
3509 PR tree-optimization/25771
3510 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
3513 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
3516 * tree-inline.c (declare_return_variable): If the return variable
3517 was marked as a non gimple complex, set the return slot variable
3518 to be a non gimple comple variable.
3520 2006-01-13 Richard Guenther <rguenther@suse.de>
3522 * builtins.c (expand_builtin_sincos): New function.
3523 (expand_builtin_mathfn_3): Remove dead code, sin and cos
3525 (expand_builtin): Expand sincos using expand_builtin_sincos.
3527 2006-01-12 DJ Delorie <dj@redhat.com>
3529 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
3530 shift counts, separate SI shifts for m32c vs m16c, pass shift type
3531 so that constant shifts can be split.
3532 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
3533 (m32c_valid_pointer_mode): Make static.
3534 (shift_gen_func_for): New.
3535 (m32c_prepare_shift): Use it. Split large const shifts into
3537 * config/m32c/predicates.md (shiftcount_operand): Allow more
3539 (longshiftcount_operand): New.
3540 * doc/md.texi (Machine Constraints): Document In6.
3542 2006-01-13 Ben Elliston <bje@au.ibm.com>
3544 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
3545 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
3548 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
3550 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
3551 to try to avoid clobbering pieces of structures when we know
3552 something about the whole structure.
3553 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
3555 2006-01-13 Ben Elliston <bje@au.ibm.com>
3557 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
3558 return in memory, as this is no limitation is no longer present.
3560 2006-01-12 DJ Delorie <dj@redhat.com>
3562 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
3563 mova with fb, and for fb+0 -> An.
3565 * config/m32c/mov.md (peephole2): Fix enabling logic.
3567 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
3568 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
3569 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
3570 FINI_ARRAY_SECTION_ASM_OP): Define.
3572 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
3574 (m32c_legitimize_reload_address): New logic to reload FB to An.
3575 (m32c_output_reg_push): Add newline.
3576 (m32c_output_reg_pop): Likewise.
3578 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
3580 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
3582 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
3584 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3586 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3588 * config/sh/predicates.md (sh_rep_vec): Add parallel to
3591 2006-01-11 Ben Elliston <bje@au.ibm.com>
3593 * rtlanal.c (find_reg_note): Assert insn is not null.
3595 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
3597 * df-scan.c (df_hard_reg_init): Move declaration of i outside
3600 2006-01-11 Jeff Law <law@redhat.com>
3602 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
3604 (mark_threaded_blocks, register_jump_thread): New functions.
3605 (thread_through_all_blocks): Remove unwanted argument. No
3606 longer rely on e->aux to communicate thread target info.
3607 Call mark_threaded_blocks. Release the threaded_blocks
3608 bitmap and threaded_edges vector when complete.
3609 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
3610 (threaded_blocks): Remove.
3611 (tree_ssa_dominator_optimize): Remove initialization and
3612 finalization of threaded_blocks. Simplify call to
3613 thread_through_all_blocks.
3614 (thread_across_edge): Call register_jump_thread rather than
3615 storing thread information into e->aux.
3616 (free_all_edge_infos): Simplify now that e->aux is no longer
3617 used to communicate with thread_through_all_blocks.
3618 * tree-flow.h (thread_through_all_blocks): Update prototype.
3619 (register_jump_thread): Prototype.
3621 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3623 * df-core.c (df_compact_blocks, df_bb_replace): Use
3624 SET_BASIC_BLOCK instead of BASIC_BLOCK.
3626 2006-01-11 Richard Guenther <rguenther@suse.de>
3628 PR tree-optimization/25734
3629 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
3630 stop propagation after successful propagation to the LHS.
3632 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
3634 * basic-block.h (control_flow_graph): Change the type of
3635 x_basic_block_info to VEC(basic_block,gc) *.
3636 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
3638 (SET_BASIC_BLOCK): New.
3639 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
3640 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
3641 * cfgbuild.c (find_basic_blocks): Likewise.
3642 * cfglayout.c (fixup_reorder_chain): Likewise.
3643 * cfgrtl.c (create_basic_block_structure,
3644 rtl_create_basic_block): Likewise.
3645 * ifcvt.c (find_if_case_1): Likewise.
3646 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
3649 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
3651 * Makefile.in: Removed rotted odf.c entry.
3653 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
3656 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
3657 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
3658 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
3659 output pattern modifier, not %e.
3660 * config/cris/cris.c (cris_op_str): Update comment about pattern
3662 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
3663 before falling through into...
3664 <case 'E'>: Redefined from old 'e' case.
3666 2006-01-11 Jan Hubicka <jh@suse.cz>
3669 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
3671 2006-01-11 Jan Hubicka <jh@suse.cz>
3673 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
3674 * i386.c (x86_decompose_lea): Kill.
3675 (ix86_rtx_costs): Kill.
3677 2006-01-11 Jan Hubicka <jh@suse.cz>
3679 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
3680 * cgraph.h (cgraph_node): Add inline_decl.
3681 (cgraph_insert_node_to_hashtable): Declare.
3682 (save_inline_function_body): Declare.
3683 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
3685 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
3686 (cgraph_function_versioning): Update call of tree_function_versioning.
3687 (save_inline_function_body): New function.
3688 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
3689 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
3690 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
3691 (cgraph_default_inline_p): Likewise.
3692 (cgraph_decide_inlining_incrementally): Likewise.
3693 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
3694 (copy_bb): Kill saving; do updating of clones.
3695 (copy_cfg_body): Kill saving.
3696 (initialize_inlined-parameters): Likewise.
3697 (expand_call_inline): Likewise.
3699 (tree_function_versioning): New parameter "update_clones".
3700 (inlining_p): Kill saving.
3701 * tree-inline.h (tree_function_versioning): Update prototype.
3702 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
3705 2006-01-11 Ian Lance Taylor <ian@airs.com>
3707 * combine.c (struct undo): Remove is_int. Enumify types of undos.
3708 Allow undoing set of machine mode.
3709 (do_SUBST): Use enums instead of is_int.
3710 (do_SUBST_MODE): New function.
3711 (SUBST_MODE): New macro.
3712 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
3713 reg and trying to replace reg_regno_rtx with a new register.
3714 (undo_all): Use new enums, handle undoing a PUT_MODE change.
3715 (simplify_set): Use SUBST_MODE.
3716 (distribute_notes): Remove code that tried to update reg notes
3717 for regno_reg_rtx changes.
3719 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
3721 PR tree-optimization/23109
3722 PR tree-optimization/23948
3723 PR tree-optimization/24123
3725 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
3726 * tree-cfg.c (single_noncomplex_succ): New.
3727 * tree-flow.h (single_noncomplex_succ): Declare it.
3728 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3729 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3730 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
3731 insert_bb, register_division_in, insert_reciprocals,
3732 replace_reciprocal, free_bb): New.
3733 (execute_cse_reciprocals_1): Rewritten.
3734 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
3735 Do not commit any edge insertion. Always compute dominators and
3736 create the allocation pool.
3737 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
3738 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
3739 * targhooks.c (default_min_divistions_for_recip_mul): New.
3740 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
3741 * passes.c (init_optimization_passes): Run recip after tree loop
3743 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
3745 2006-01-11 Danny Berlin <dberlin@dberlin.org>
3746 Kenneth Zadeck <zadeck@naturalbridge.com>
3748 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
3749 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
3750 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
3751 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
3752 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
3753 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
3754 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
3755 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
3756 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
3757 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
3758 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
3759 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
3760 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
3761 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
3762 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
3763 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
3764 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
3765 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
3766 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
3767 DF_SCAN_POST_ALLOC): New macros.
3768 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
3769 df_free_bb_function, df_local_compute_function, df_init_function,
3770 df_dataflow_function, df_confluence_function_0,
3771 df_confluence_function_n, df_transfer_function,
3772 df_finalizer_function, df_free_function, df_dump_problem_function,
3773 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
3774 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
3775 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
3776 df_urec_bb_info, ) New types.
3777 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
3779 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
3780 df_analyze_simple_change_some_blocks,
3781 df_analyze_simple_change_one_block, df_compact_blocks,
3782 df_bb_replace, df_bb_regno_last_use_find,
3783 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
3784 df_insn_regno_def_p, df_find_def, df_find_use,
3785 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
3786 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
3787 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
3788 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
3789 debug_df_chain, df_get_dependent_problem, df_chain_create,
3790 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
3791 df_grow_bb_info, df_chain_dump, df_print_bb_index,
3792 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
3793 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
3794 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
3795 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
3796 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
3797 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
3798 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
3799 df_ref_remove, df_insn_refs_delete, df_refs_delete,
3800 df_reorganize_refs, df_set_state, df_hard_reg_init,
3801 df_read_modify_subreg_p) New public functions.
3802 * df-core.c: The core dataflow solver and glue routines for rtl
3804 (df_init, df_add_problem, df_set_blocks, df_finish,
3805 df_hybrid_search_forward, df_hybrid_search_backward,
3806 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
3807 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
3808 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
3809 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
3810 df_reg_defined, df_find_use, df_reg_used, df_dump,
3811 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
3812 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
3813 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
3814 debug_df_useno, reset_df_after_reload): New functions.
3815 * df-scan.c: The scanning fuctions, once in df.c, completely
3816 rewritten so that they now fully model the functionality of
3817 register usage at the backend.
3818 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
3819 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
3820 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
3821 df_grow_insn_info, df_rescan_blocks, df_ref_create,
3822 df_get_artificial_defs, df_get_artificial_uses,
3823 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
3824 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
3825 df_refs_delete, df_reorganize_refs, df_set_state,
3826 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
3827 df_def_record_1, df_defs_record, df_uses_record,
3828 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
3829 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
3830 df_record_exit_block_uses, df_hard_reg_init): New functions.
3832 * df-problems.c: Seven concrete dataflow problems that use the
3833 scanning in df-scan.c and are solved by the engine in df-core.c.
3834 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
3835 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
3836 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
3837 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
3838 df_ru_free_bb_info, df_ru_alloc,
3839 df_ru_bb_local_compute_process_def,
3840 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
3841 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
3842 df_ru_transfer_function, df_ru_free, df_ru_dump,
3843 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
3844 df_rd_free_bb_info, df_rd_alloc,
3845 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
3846 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
3847 df_rd_transfer_function, df_rd_free, df_rd_dump,
3848 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
3849 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
3850 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
3851 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
3852 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
3853 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
3854 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
3855 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
3856 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
3857 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
3858 df_urec_mark_reg_change, df_urec_check_earlyclobber,
3859 df_urec_mark_reg_use_for_earlyclobber,
3860 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
3861 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
3862 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
3863 df_urec_dump, df_urec_add_problem, df_chain_alloc,
3864 df_chain_create_bb_process_use, df_chain_create_bb,
3865 df_chain_finalize, df_chain_free, df_chains_dump,
3866 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
3867 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
3868 df_reg_lifetime): New functions.
3869 * df.c: Deleted file.
3870 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
3871 consistent with new df api.
3872 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
3873 rest_of_handle_sms): Ditto.
3874 * web.c (unionfind_union, union_defs, entry_register, web_main):
3876 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
3877 invariant_expr_equal_p, find_defs, check_dependencies,
3878 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
3879 free_inv_motion_data, move_loop_invariants): Ditto.
3880 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
3881 Update dependencies.
3882 (odf.c): Added defective entry that was deleted later in day.
3883 * sched-deps.c (sched_analyze_1): Ditto.
3885 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
3887 * tree-ssa-operands.c (get_expr_operands): Record addressable
3888 variables directly. Do not call add_stmt_operands for CONST_DECLs
3890 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
3891 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
3893 2006-01-11 Ben Elliston <bje@au.ibm.com>
3895 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
3896 function returns true in the positive case.
3898 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3901 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
3902 for SI, DI, SF and DF modes. Add alternatives to copy between
3903 general and floating point registers to the 32-bit patterns.
3904 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
3905 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
3906 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
3907 generating 64-bit code.
3908 * config/pa/pa.c (output_move_double): Handle copies between general
3909 and floating registers.
3911 2006-01-10 Stuart Hastings <stuart@apple.com>
3913 * config/i386/i386.md (set_got): Update.
3914 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
3915 (builtin_setjmp_receiver): Mach-O support.
3916 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
3917 (GOT_SYMBOL_NAME): Define.
3918 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
3919 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
3920 * config/i386/i386.c (override_options): Revise for Darwin.
3921 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
3922 support. (darwin_x86_file_end): New. (output_set_got): Add label
3923 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
3924 * config/i386/i386-protos.h (output_set_got): Likewise.
3925 * config/darwin.c (machopic_legitimize_pic_address): Update
3928 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
3930 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
3931 when MODE isn't BLKmode.
3933 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3935 PR rtl-optimization/25367
3936 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
3938 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
3941 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
3942 for a negative bound.
3944 2006-01-10 Richard Guenther <rguenther@suse.de>
3946 * tree-ssa-structalias.c (get_constraint_for_component_ref):
3947 Never override with anything constraint.
3949 2006-01-10 Jan Beulich <jbeulich@novell.com>
3951 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
3952 256 bits when optimize_size.
3954 2006-01-10 Jan Beulich <jbeulich@novell.com>
3956 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
3958 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
3959 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
3962 2006-01-10 Ben Elliston <bje@au.ibm.com>
3964 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
3966 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
3967 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3968 (USE_FP_FOR_ARG): Reject decimal float modes.
3969 (function_arg_advance): Likewise.
3970 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
3971 (rs6000_handle_altivec_attribute): Do not permit decimal floating
3972 point types in AltiVec vectors.
3973 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
3974 (rs6000_libcall_value): Likewise.
3976 2006-01-09 Bob Wilson <bob.wilson@acm.org>
3978 * config/xtensa/ieee754-df.S: New file.
3979 * config/xtensa/ieee754-sf.S: New file.
3980 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
3981 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
3982 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
3984 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
3986 * config/sh/predicates.md (binary_float_operator,
3987 binary_logical_operator, commutative_float_operator,
3988 equality_comparison_operator, greater_comparison_operator,
3989 less_comparison_operator, logical_operator,
3990 noncommutative_float_operator, shift_operator,
3991 symbol_ref_operand, unary_float_operator): Remove redundant
3994 2006-01-09 Jeff Law <law@redhat.com>
3996 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
3997 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
3998 now unused arguments. Callers updated.
3999 (eliminate_redundant_computations): Remove now unused arguments,
4001 (local_fold): Remove, no longer used.
4002 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
4004 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
4005 (simplify_cond): New function.
4006 (forward_propagate_into_cond): Call simplify_cond.
4008 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
4010 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
4011 (*vec_extractv2di_1_sse): New.
4013 2006-01-09 Ben Elliston <bje@au.ibm.com>
4015 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
4017 2006-01-08 Richard Guenther <rguenther@suse.de>
4019 * tree-ssa-structalias.c (get_constraint_for): Remove
4021 (get_constraint_for_component_ref): Likewise.
4022 (do_deref): Likewise.
4023 (get_constraint_for): Likewise.
4024 (do_structure_copy): Likewise.
4025 (handle_ptr_arith): Likewise.
4026 (find_func_aliases): Likewise. Remove unused need_anyoffset
4029 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
4030 Kaz Kojima <kkojima@gcc.gnu.org>
4032 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
4033 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
4034 (EXTRA_CONSTRAINT_C16): Remove.
4035 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
4036 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
4037 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
4038 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
4039 constants of SHmedia. Handle nested constant expressions of
4041 (andcosts): Fix the costs for SHmedia constants.
4042 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
4043 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
4044 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
4045 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
4046 (movv4hi_i, movv2si_i): Likewise.
4047 (movsi_const): Adjust the second operand of ior so to match with
4049 (movdi_const, movdi_const_32bit): Likewise.
4050 (movdi_const_16bit+1): Don't sign-extend LOW.
4051 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
4053 (*double_shori): Fix the split condition. Use GEN_INT instead
4054 of get_int_mode calls. Mask lower 16-bit of the argument of
4056 (sym2GOTPLT): Remove.
4057 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
4059 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
4060 instead of EXTRA_CONSTRAINT_C16.
4062 2006-01-07 Ian Lance Taylor <ian@airs.com>
4063 David Edelsohn <edelsohn@gnu.org>
4065 PR rtl-optimization/25662
4066 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
4067 for constant operands instead of simplify_gen_binary.
4068 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
4069 after trying simplify_binary_operation
4071 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
4073 * tree.c (iterative_hash_expr): Hash decls based on UID.
4075 2006-01-06 Eric Christopher <echristo@apple.com>
4077 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
4078 (TARGET_UNWIND_EMIT): Fix spelling.
4079 * target.h (gcc_target): Add except_table_label.
4080 * except.c (output_function_exception_table): Use.
4081 * varasm.c (default_emit_except_table_label): New.
4082 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
4084 (asm_out): Add here.
4085 * output.h (default_emit_except_table_label): Prototype.
4086 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
4087 * config/darwin.c (darwin_emit_except_table_label): Define.
4088 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
4090 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
4092 PR tree-optimization/18527
4093 * tree-ssa-loop-niter.c (number_of_iterations_cond,
4094 number_of_iterations_special, number_of_iterations_exit):
4095 Move base and step of an iv to a single structure. Add
4096 no_overflow flag, and use it in # of iterations analysis.
4097 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
4098 folded_casts argument.
4099 (simple_iv): Pass base and step in a structure. Set no_overflow
4101 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
4102 Evaluate expensiveness of computing # of iterations instead of
4103 the final expression.
4104 * tree-scalar-evolution.h (affine_iv): New structure.
4105 (simple_iv): Declaration changed.
4106 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
4107 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
4108 find_givs_in_stmt): Changed due to simple_iv change.
4110 2006-01-06 Jeff Law <law@redhat.com>
4113 * tree-cfg.c (bsi_replace): Rename final argument from
4114 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
4115 change (stmt -> orig_stmt).
4116 * tree-eh.c (verify_eh_throw_stmt_node): New function.
4117 (bsi_remove): Add new argument. Remove EH information
4119 (verify_eh_throw_table_statements): New function.
4120 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
4122 * tree-optimize.c (execute_free_cfg_annotations): Verify
4123 the EH throw statement table after removing annotations.
4124 * except.h (verify_eh_throw_table_statements): Prototype.
4125 * tree-flow.h (bsi_remove): Update prototype.
4126 * tree-vrp.c (remove_range_assertions): Add new argument to
4128 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
4129 * tree-complex.c (expand_complex_div_wide): Likewise.
4130 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
4131 * tree-tailcall.c (eliminate_tailcall): Likewise.
4132 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
4133 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
4134 * tree-nrv.c (tree_nrv): Likewise.
4135 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
4136 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
4137 (combine_blocks): Likewise.
4138 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
4139 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
4140 (cleanup_control_flow): Likewise.
4141 (remove_forwarder_block): Likewise.
4142 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
4143 * tree-sra.c (sra_replace): Likewise.
4144 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
4145 (forward_propagate_single_use_vars): Likewise.
4146 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
4147 * tree-inline.c (expand_call_inline): Likewise.
4148 * tree-vect-transform.c (vect_transform_loop): Likewise.
4149 * tree-outof-ssa.c (rewrite_trees): Likewise.
4150 * tree-cfg.c (make_goto_expr_edges): Likewise.
4151 (cleanup_dead_labels): Likewise.
4152 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
4153 (bsi_move_before, bsi_move_after): Likewise.
4154 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
4155 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
4157 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
4160 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
4162 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
4163 on non gimple variables. Also add checks at the top for decls and
4165 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
4167 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
4168 and IMAGPART_EXPR for creating MUST_DEFs.
4169 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
4170 and NAME_MEMORY_TAG separately from the DECLs.
4172 2006-01-06 Richard Guenther <rguenther@suse.de>
4174 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
4175 annotation, if necessary.
4176 * tree-ssa-pre.c (create_expression_by_pieces): Remove
4177 redundant calls to update_stmt.
4178 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
4181 2006-01-05 Richard Henderson <rth@redhat.com>
4183 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
4185 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4187 * c-typeck.c: Update copyright date.
4189 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
4191 * c-typeck.c (build_c_cast): Always warn when casting
4192 from a pointer to an integer of different size, even if
4193 the node was constant.
4195 2006-01-05 Richard Guenther <rguenther@suse.de>
4197 PR tree-optimization/22555
4198 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
4199 if one structure field is an array.
4200 * tree-ssa-operands.c (get_expr_operands): Continue scanning
4201 operands even if we found a subvar, but ignore VOPs in this
4203 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
4205 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
4207 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
4210 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
4212 2006-01-05 Richard Guenther <rguenther@suse.de>
4213 Diego Novillo <dnovillo@redhat.com>
4215 * tree-pass.h (TODO_remove_unused_locals): Define.
4216 * gimple-low.c (expand_var_p, remove_useless_vars,
4217 pass_remove_useless_vars): Remove. Update all users.
4218 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
4219 (remove_unused_locals): New function.
4220 * tree-flow.h (remove_unused_locals): Declare.
4221 * passes.c (execute_todo): Call remove_unused_locals if
4222 TODO_remove_unused_locals is set.
4223 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
4224 * tree-ssa-dce.c (pass_dce): Likewise.
4225 * tree-outof-ssa.c (pass_del_ssa): Likewise.
4227 2006-01-05 Richard Guenther <rguenther@suse.de>
4229 * tree-flow.h (struct fieldoff): Decompose field to
4230 type, size and decl.
4231 * tree-ssa-alias.c (create_sft): Take type as parameter.
4232 (create_overlap_variables_for): Store type, size and decl
4233 in the fieldoff structure.
4234 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
4236 (push_fields_onto_fieldstack): Likewise.
4237 (create_variable_info_for): Likewise. Use offset for the
4238 SFT name if the decl is not available.
4240 2006-01-04 Paul Brook <paul@codesourcery.com>
4242 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
4244 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
4246 * lambda-code.c (can_put_in_inner_loop): Relax
4248 (can_put_after_inner_loop): New function.
4249 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
4250 (perfect_nestify): Change to make copies and modify uses.
4252 2006-01-04 Richard Henderson <rth@redhat.com>
4254 Merge from gomp branch:
4255 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
4256 via integer constant.
4257 (pragma_lex): Remove.
4258 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
4259 rather than parsing it.
4260 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
4261 handle_pragma_extern_prefix): Add %< %> quotes.
4262 (registered_pragmas): New.
4263 (c_register_pragma_1): New.
4264 (c_register_pragma): Use it.
4265 (c_register_pragma_with_expansion): Likewise.
4266 (c_invoke_pragma_handler): New.
4267 (init_pragma): Use cpp_register_deferred_pragma directly for
4269 * c-pragma.h (enum pragma_kind): New.
4270 (pragma_handler): New.
4271 (c_invoke_pragma_handler): Declare.
4272 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
4274 * c-common.h (c_common_pch_pragma): Update decl.
4275 * Makefile.in (c-parser.o): Update dependencies.
4276 (GTFILES): Add c-pragma.h.
4277 * c-parser.c (struct c_token): Add pragma_kind.
4278 (struct c_parser): Add in_pragma.
4279 (c_lex_one_token): Always initialize keyword and pragma_kind.
4280 Extract data for CPP_PRAGMA.
4281 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
4282 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
4283 Don't allow CPP_PRAGMA_EOL if in_pragma.
4284 (c_parser_consume_pragma): New.
4285 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
4286 (c_parser_skip_to_end_of_parameter): Likewise.
4287 (c_parser_skip_to_end_of_block_or_statement): Likewise.
4288 (c_parser_skip_to_pragma_eol): New.
4289 (c_parser_external_declaration): Handle CPP_PRAGMA.
4290 (c_parser_compound_statement_nostart): Likewise.
4291 (c_parser_statement_after_labels): Likewise.
4292 (c_parser_pragma): New.
4293 (pragma_lex): Likewise.
4294 (c_parser_pragma_pch_preprocess): New.
4295 (c_parser_new): Merge into ...
4296 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
4298 2006-01-04 Jeff Law <law@redhat.com>
4301 * tree-cfg.c (bsi_replace): Remove the original statement
4302 from the EH throw statement table.
4304 2006-01-04 Jakub Jelinek <jakub@redhat.com>
4306 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
4307 make the prototype extern "C" and add throw ().
4310 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
4311 and pos non-negative and pos + len <= 32.
4312 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
4313 drop pos + len < HOST_BITS_PER_WIDE_INT test.
4314 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
4317 * c-common.c (handle_vector_size_attribute): Reject zero vector size
4318 as well as sizes not multiple of component size.
4321 * function.c (instantiate_expr): New function.
4322 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
4323 walk its DECL_VALUE_EXPR with instantiate_expr.
4325 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
4326 DW_OP_deref{,_size} if address isn't going to be added.
4328 2006-01-04 Ben Elliston <bje@au.ibm.com>
4330 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
4331 * config/fp-bit.c: Likewise.
4333 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
4335 * dominance.c: Add comment about why we use DFS numbering
4338 2006-01-03 Jakub Jelinek <jakub@redhat.com>
4339 Richard Henderson <rth@redhat.com>
4341 Merge from gomp-branch:
4342 * varasm.c (assemble_variable): Handle thread-local COMMON data.
4343 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
4345 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
4347 PR rtl-optimization/25578
4348 * combine.c (combine_simplify_rtx, force_to_mode): Don't
4349 pass a parameter to simplify_shift_const if changing ASHIFTRT
4352 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
4354 * builtins.c (get_builtin_sync_mem): New function.
4355 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
4356 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
4357 Call get_builtin_sync_mem to generate mem rtx.
4359 2006-01-03 Richard Guenther <rguenther@suse.de>
4362 * stmt.c (add_case_node): Make sure to clear overflow flags
4365 2006-01-03 Jakub Jelinek <jakub@redhat.com>
4367 Merge from gomp-branch.
4368 * config/sparc/sync.md: New file.
4369 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
4370 UNSPECV_LDSTUB): New constants.
4371 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
4372 * config/sparc/predicates.md (memory_reg_operand): New predicate.
4373 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
4376 2006-01-03 Roger Sayle <roger@eyesopen.com>
4378 * combine.c (reg_subword_p): New predicate to test whether the
4379 destination of a set refers to a subword/piece of a register.
4380 (try_combine): Generalize the code to merge the setting of a
4381 pseudo to a constant followed by a set of a subword of that
4382 register to a constant.
4384 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
4386 * basic-block.h (control_flow_graph): Change the type of
4387 x_label_to_block_map to VEC(basic_block,gc) *.
4388 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
4389 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
4391 * tree-ssa-propagate.c (cfg_blocks): Change the type to
4392 VEC(basic_block,heap) *.
4393 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
4394 ssa_prop_fini): Adjust the uses of cfg_blocks.
4396 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
4398 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
4400 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
4401 hashing trees instead of a pointer hash.
4402 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
4403 compare for MEM_EXPR.
4405 PR rtl-optimization/25130
4406 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
4407 when comparing MEMs for GCSE
4409 2006-01-03 Ben Elliston <bje@au.ibm.com>
4411 * targhooks.h (default_decimal_float_supported_p): Declare.
4412 * targhooks.c (default_decimal_float_supported_p): Define.
4413 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
4414 `default_decimal_float_supported_p'.
4415 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
4417 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
4419 * combine.c (apply_distributive_law <SUBREG>): Check
4420 TRULY_NOOP_TRUNCATION.
4422 2006-01-02 Geoffrey Keating <geoffk@apple.com>
4424 * dwarf2out.c (have_switched_text_section): Delete.
4425 (have_multiple_function_sections): New.
4426 (have_location_lists): Make 'bool'.
4427 (add_AT_loc_list): Use 'true' not '1'.
4428 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
4429 (output_loc_list): Use have_multiple_function_sections.
4430 (output_ranges): Likewise.
4431 (dwarf2out_begin_function): Set have_multiple_function_sections if
4433 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
4434 Check function_section rather than DECL_SECTION_NAME.
4435 (dwarf2out_finish): Use have_multiple_function_sections.
4436 Don't clear have_location_lists.
4438 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
4439 Jan Hubicka <jh@suse.cz>
4441 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
4442 case of conditional jump jumping to the next instruction.
4443 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
4444 cases of conditional jump jumping to the next instruction.
4446 2006-01-02 Jan Hubicka <jh@suse.cz>
4448 * i386.c (*_cost): Add COSTS_N_INSNS.
4449 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
4451 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
4454 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
4456 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4458 * config/arm/arm.c (all_fpus): Fix comment typo.
4459 * config/darwin.c: Likewise.
4460 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
4461 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
4462 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
4464 2006-01-01 David Edelsohn <edelsohn@gnu.org>
4466 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
4467 (rs6000_split_compare_and_swapqhi): New.
4468 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
4469 (sync_compare_and_swapqhi_internal): New.
4470 * config/rs6000/rs6000-protos.h: Declare.
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