2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
[official-gcc.git] / gcc / ChangeLog
blob3c30ee2901a4835016c99269e91d30740e13eed3
1 2006-02-09  Kaz Kojima  <kkojima@gcc.gnu.org>
3         * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
5 2006-02-09  J"orn Rennecke <joern.rennecke@st.com>
7         PR target/26141
8         * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
9         computing the effective result type.
11 2006-02-09  J"orn Rennecke <joern.rennecke@st.com>
13         PR inline-asm/16194
14         * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
15         (tree_overlaps_hard_reg_set): Declare.
16         * stmt.c (decl_overlaps_hard_reg_set_p): Now static.  Change return
17         type and signature to match function type expected by walk_tree.
18         (tree_overlaps_hard_reg_set): New function.
19         (decl_conflicts_with_clobbers_p): Rename to:
20         (tree_conflicts_with_clobbers_p).  Take HARD_REG_SET * argument.
21         Use tree_overlaps_hard_reg_set.  Changed caller.
22         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
23         decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
24         * cris.c (cris_md_asm_clobbers): Likewise.
26 2006-02-09  Bernd Schmidt  <bernd.schmidt@analog.com>
28         * reload1.c (emit_input_reload_insns): Delete code that tries to
29         inherit using find_equiv_reg.
31 2006-02-09  Gabriel Dos Reis  <gdr@integrable-solutions.net>
33         * c-common.h (flag_const_strings): Don't declare.
34         * c-common.c (flag_const_strings): Remove.
35         * c.opt (fconst_strings): Remove.
36         * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
37         <OPT_Wwrite_strings>: Don't set flag_const_strings.
38         (c_common_init_options): Don't set flag_const_strings.
39         * doc/invoke.texi (-fno-const-strings): Remove documentation.
41 2006-02-09  Richard Earnshaw  <richard.earnshaw@arm.com>
43         * arm.md (tlobits_cbranch): New pattern.
44         * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
45         testing a single bit.
47 2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
49         PR tree-opt/26179
50         * tree-ssa-pre.c (create_component_ref_by_pieces):
51         Handle RETURN_DECL like VAR_DECL.
53 2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
55         PR middle-end/26134
56         * fold-const.c (fold_indirect_ref_1): Fold 
57         "*(foo *)&complexfoo" to "__real__ complexfoo"
58         and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
60 2006-02-09  Andrew Pinski  <pinskia@physics.uc.edu>
62         * tree-flow-inline.h (var_can_have_subvars): 
63         Volatile variables should not have subvariables.
65 2006-02-09  Diego Novillo  <dnovillo@redhat.com>
67         PR 26180
68         * tree-vrp.c (vrp_int_const_binop): Detect overflow when
69         multiplying unsigned values.
70         Tidy comments.
72 2006-02-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
74         * config/sparc/sparc.c (tls_call_delay): Fix oversight.
76 2006-02-08  Jason Merrill  <jason@redhat.com>
78         PR c++/25979
79         * tree.def: Elaborate on difference from MODIFY_EXPR.
80         * doc/c-tree.texi (INIT_EXPR): Likewise.
81         * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
82         (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
83         (gimplify_target_expr): Likewise.
84         (gimplify_cond_expr): Remove target handling.
85         (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
86         (gimplify_expr): Clobber it here.
87         (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
88         Do return slot optimization if we have an INIT_EXPR.
90         PR tree-opt/24365
91         * tree-inline.c (declare_return_variable): Also clear 
92         DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
94         PR c++/16405
95         * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
97         PR middle-end/22439
98         * gimplify.c (gimplify_one_sizepos): Fix typo.
100 2006-02-08  Jeff Law  <law@redhat.com>
102         PR tree-optimization/21417
103         * tree-ssa-threadedge.c (thread_across_edge): Reject threading
104         across a backedge if the control statement at the end of the
105         block is data dependent on other statements in the same block.
106         (record_temporary_equivalences_from_stmts): Remove over-conservative
107         test for threading across backedges.
109         * tree-ssa-dce.c (remove_dead_statement): When removing a dead
110         control statement, handle all three special cases in the same
111         manner as they all have the same desired solution.  No longer
112         special case edge flag updating when the post dominator is
113         the exit block.
115 2006-02-08  Roger Sayle  <roger@eyesopen.com>
117         * tree.def (CHAR_TYPE): Remove.
118         * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
119         * dwarf2out.c (base_type_die, is_base_type): Likewise.
120         (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
121         (gen_string_type_die): Delete unreachable function.
123         * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
124         * tree.c (build_int_cst_wide, type_contains_placeholder_1,
125         type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
126         * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
127         * builtins.c (type_to_class): Likewise.
128         * fold-const.c (fold_convert, build_range_check,
129         merge_ranges): Likewise.
130         * expr.c (count_type_elements): Likewise.
131         * c-pretty-print.c (pp_c_type_specifier): Likewise.
132         * stor-layout.c (layout_type): Likewise.
133         * ipa-type-escape.c (type_to_consider): Likewise.
134         * gimplify.c (omp_firstprivatize_type_sizes,
135         gimplify_type_sizes): Likewise.
136         * explow.c (promote_mode): Likewise.
137         * tree-sra.c (is_sra_scalar_type): Likewise.
138         * varasm.c (output_constant): Likewise.
139         * tree-inline.c (remap_type_1): Likewise.
140         * convert.c (convert_to_pointer, convert_to_real,
141         convert_to_integer, convert_to_complex): Likewise.
143 2006-02-08  Daniel Berlin  <dberlin@dberlin.org>
145         * df-scan.c (df_def_record_1): A set destination may
146         be a parallel regardless of mode.
148 2006-02-08  Roger Sayle  <roger@eyesopen.com>
150         PR target/22209
151         * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
152         * config/mips/_tilib.c: Remove.
153         * config/fixtfdi.c: New libgcc source file.
154         * config/fixunstfdi.c: New source file.
155         * config/floatditf.c: New source file.
156         * config/floatunditf.c: New souce file.
157         * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
158         files above instead of config/mips/_tilib.c.
159         * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
161 2006-02-08  Jeff Law  <law@redhat.com>
163         PR tree-optimization/26169
164         * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
165         threading jumps.
167 2006-02-08  Zdenek Dvorak <dvorakz@suse.cz>
169         * df.h (DF_REG_SIZE): Return the length of the initialized
170         part of the array.
172 2006-02-08  Nathan Sidwell  <nathan@codesourcery.com>
174         * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
175         __muldf3): Return a correctly signed zero.
177 2006-02-08  Paolo Bonzini  <bonzini@gnu.org>
179         * passes.c (register_one_dump_file): Accept the current properties
180         instead of pass number.  Adjust call to dump_register.  Remove
181         duplicated code.
182         (register_dump_files): Now a wrapper around...
183         (register_dump_files_1): ... this one.  Do not modify the pass
184         structure.
185         (next_pass_1): Cosmetic fix.
186         (execute_todo): Keep second parameter only.  Use curr_properties
187         instead of fetching it from the pass structure.  Check and set
188         last_verified.
189         (execute_one_pass): Handle TODO_set_props.  Use curr_properties
190         instead of fetching it from the pass structure.  Fix calls to
191         execute_todo.  Update curr_properties and initialize .vcg RTL dump
192         after running the pass.  Reset last_verified.
193         * tree-dump.c (dump_files): Renumber consecutively.  Put .cgraph dump
194         at the beginning.
195         (FIRST_AUTO_NUMBERED_DUMP): New.
196         (dump_register): Remove "num" parameter, assign it within the
197         function.
198         (get_dump_file_name): Modify template for dumps.
199         * tree-dump.h (dump_register): Adjust prototype.
200         * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
201         (PROP_trees): Add PROP_gimple_lomp.
202         (TODO_set_props): New.
203         * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
204         * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
205         * cfgexpand.c (pass_expand): Destroy PROP_trees.
207 2006-02-08  Jakub Jelinek  <jakub@redhat.com>
209         * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
210         (sparc64-*-linux*): Likewise.
211         * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
212         * config/sparc/t-linux: New file.
213         * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
214         __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
215         (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
216         -m32 -mlong-double-128.
218         * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
219         * config/alpha/t-linux: New file.
220         * config/alpha/libgcc-alpha-ldbl.ver: New file.
222         * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
223         __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
224         (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
225         * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
226         __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
227         (CPP_ARCH32_SPEC): Remove.
229 2006-02-07  Uttam Pawar  <uttamp@us.ibm.com>
231         PR tree-optimization/26145
232         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
233         bbs pointer.
235 2006-02-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
237         PR target/26109
238         * pa.c (attr_length_indirect_call): Don't return length 8 for distances
239         >= 240000 when generating code for SOM runtime.
240         (output_indirect_call): Don't use "b,l" instruction for indirect calls
241         to $$dyncall when generating code for SOM runtime..
243 2006-02-07  Dirk Mueller  <dmueller@suse.com>
245         PR c++/18150
246         * doc/invoke.texi (-Wsequence-point): Update documentation
247         that -Wsequence-point is implemented for C++ as well.
249 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
251         * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
252         * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
253         (LIB_SPEC): Likewise.
254         * doc/invoke.texi (SPARC options): Document -pthread.
256 2006-02-07  Geoffrey Keating  <geoffk@apple.com>
258         * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
259         PIC addresses.
261 2006-02-07  Roger Sayle  <roger@eyesopen.com>
263         * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
264         Correct comment describing BOOLEAN_TYPE.
266 2006-02-07  Dirk Mueller  <dmueller@suse.com>
268         * c.opt: C++ frontend supports -Wdiv-by-zero.
269         * c-opts.c (c_common_handle_option): Remove dead case.
271 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
273         * configure.ac (TLS assembler check): Do not enable TLS by
274         default on SPARC/Solaris before version 10.
275         * configure: Regenerate.
277 2006-02-07  David Edelsohn  <edelsohn@gnu.org>
279         * doc/invoke.texi (xl-compat): Document conversion and support
280         routine names.
282 2006-02-07  Jeff Law  <law@redhat.com>
284         * tree-vrp.c (find_conditional_asserts): Update comments.
285         (simplify_stmt_for_jump_threading): New.
286         (identify_jump_threads, finalize_jump_threads): New.
287         (vrp_finalize): Call identify_jump_threads.
288         (execute_vrp): Call finalize_jump_threads.
289         * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
290         (vrp_element, vrp_data, vrp_element_p): Remove.
291         (vrp_hash_elt, vrp_variables_stack): Remove.
292         (vrp_hash, vrp_eq, record_range): Remove.
293         (simplify_cond_and_lookup_avail_expr): Remove.
294         (extract_range_from_cond): Remove.
295         (thread_across_edge): Relocated into tree-ssa-threadedge.c.
296         (simplify_stmt_for_jump_threading): New.
297         (dom_thread_across_edge): New wrapper.
298         (tree_ssa_dominator_optimize): No longer initialize or
299         finalize any of the VRP datastructures.  Remove iteration
300         step and simplify as a result of removal of iteration step.
301         (pass_dominator): Perform a cfg cleanup after DOM.
302         (dom_opt_finalize_block): Use the new common routines
303         for threading jumps.  Simplify stack management slightly.
304         No longer need to unwind VRP state.
305         (record_equivalences_from_incoming_edge): No longer record
306         VRP information.
307         (eliminate_redundant_computations): No longer call
308         simplify_cond_and_lookup_avail_expr.
309         * tree-flow.h (potentially_threadable_block): Prototype.
310         (thread_across_edge): Likewise.
311         * Makefile.in (OBJS-common):  Add tree-ssa-threadedge.o
312         (tree-ssa-threadedge.o): Add dependencies.
313         * tree-ssa-threadedge.c: New file.
314         * passes.c (init_optimization_passes): Merge PHIs before
315         calling VRP.  Run VRP again late in the SSA optimization pipeline.
317 2006-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
319         * df-core.c (df_set_blocks): Do not dereference function pointers.
320         (df_finish1): Likewise.
321         (df_hybrid_search_forward): Likewise.
322         (df_hybrid_search_backward): Likewise.
323         (df_iterative_dataflow): Likewise.
324         (df_analyze_problem): Likewise.
325         (df_compact_blocks): Likewise.
326         (df_dump): Likewise.
327         * df-scan.c (df_rescan_blocks): Likewise.
328         (df_record_entry_block_defs): Likewise.
330         * genconditions.c (write_conditions): Guard the definition of
331         'insn_conditions' with the check on GCC version.
332         (write_writer): Guard the traversal 'insn_conditions' with
333         the check on GCC version.
335 2006-02-07  Richard Guenther  <rguenther@suse.de>
337         PR c++/26140
338         Revert
339         2006-01-30  Richard Guenther  <rguenther@suse.de>
340         PR c++/23372
341         * gimplify.c (gimplify_target_expr): Handle easy cases
342         without creating a temporary.
344 2006-02-07  Pete Steinmetz  <steinmtz@us.ibm.com>
346         * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
347         use of float in probability computations.  Use edge probabilities
348         in place of statically computed probabilities.
349         (min_spec_prob): New static variable.
350         (schedule_insns): Initialize it.
351         (GET_SRC_PROB): Removed.
352         * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
354 2006-02-07  Alexandre Oliva  <aoliva@redhat.com>
356         PR debug/24444
357         * config/ia64/unwind-ia64.c: Revert last change.
358         * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
359         (INCOMING_FRAME_SP_OFFSET): Define.
361 2006-02-06  Roger Sayle  <roger@eyesopen.com>
363         * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
365 2006-02-07  Ben Elliston  <bje@au.ibm.com>
367         * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
368         (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
369         (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
370         (ix86_return_in_memory): Handle TDmode.
371         (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
372         (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
374 2006-02-06  Richard Sandiford  <richard@codesourcery.com>
376         * reorg.c (dbr_schedule): Use dump_file instead of file.
378 2006-02-06  Steve Ellcey  <sje@cup.hp.com>
380         PR target/25917
381         * config/ia64/predicates.md (extr_len_operand): New predicate.
382         * config/ia64/ia64.md (extv): Tighten constraints.
383         (extzv): Ditto.
384         (*tbit_and_2): Ditto.
385         (*tbit_and_3): Ditto.
386         (*tbit_or_2): Ditto.
387         (*tbit_or_3): Ditto.
388         (*bit_zero): Ditto.
389         (*bit_one): Ditto.
391 2006-02-06  Andrew Pinski  <pinskia@physics.uc.edu>
393         PR target/23359
394         * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
396 2006-02-06  Zdenek Dvorak <dvorakz@suse.cz>
398         * tree-vrp.c (execute_vrp): Do not pass dump argument to.
399         loop_optimizer_init and loop_optimizer_finalize
400         * tree-ssa-sink.c (execute_sink_code): Ditto.
401         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
402         * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
403         tree_ssa_loop_done): Ditto.
404         * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
405         * sched-ebb.c: Include output.h.
406         (schedule_ebbs): Do not use dump argument.
407         * value-prof.h (struct profile_hooks): Remove profile_dump_file.
408         * loop.c (loop_dump_stream): Removed.
409         (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
410         argument.
411         (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
412         emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
413         final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
414         loop_iterations, strength_reduce, record_biv, record_giv,
415         final_giv_value, check_final_value, check_ext_dependent_givs,
416         combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
417         try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
418         dump_file instead of loop_dump_stream.
419         * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
420         argument dump_file.
421         * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
422         dump argument.
423         * flow.c (life_analysis, rest_of_handle_life): Ditto.
424         * haifa-sched.c: Include output.h
425         (schedule_insns, sched_init): Do not use dump argument.
426         * mode-switching.c (optimize_mode_switching): Ditto.
427         * modulo-sched.c (stats_file): Removed.
428         (print_node_sched_params): Do not call argument dump_file.
429         (sms_schedule_by_order, loop_canon_p, sms_schedule,
430         rest_of_handle_sms): Do not use dump argument.  Use dump_file instead
431         of stats_file.
432         * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
433         use dump argument.
434         * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
435         rtl_loop_init, rtl_loop_done): Ditto.
436         * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
437         * predict.c (combine_predictions_for_bb, tree_estimate_probability):
438         Ditto.
439         * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
440         * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
441         * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
442         rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
443         * emit-rtl.c (renumber_insns): Ditto.
444         * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
445         expand_gimple_basic_block, tree_expand_cfg): Ditto.
446         * regclass.c (regclass): Ditto.
447         * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
448         remove_ssa_form, rewrite_out_of_ssa): Ditto.
449         * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
450         convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
451         Ditto.
452         * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
453         * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
454         to regclass.
455         * gcse.c (gcse_file, debug_stderr): Removed.
456         (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
457         rest_of_handle_gcse): Do not use dump argument.
458         (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
459         one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
460         pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
461         compute_code_hoist_vbeinout, compute_code_hoist_data,
462         one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
463         compute_store_table, build_store_vectors, insert_insn_start_bb,
464         insert_store, remove_reachable_equiv_notes, replace_store_insn,
465         store_motion): Use dump_file instead of gcse_file.
466         * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
467         * profile.c (profile_dump_file): Removed.
468         (branch_prob): Use dump_file instead of profile_dump_file.
469         * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
470         dump_file.
471         * tree-ssa-copy.c (dump_copy_of): Ditto.
472         * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
473         dump file to life_analysis.
474         * bt-load.c (branch_target_load_optimize): Ditto.
475         * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
476         renumber_insns.
477         * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
478         regclass, dbr_schedule): Declaration changed.
479         * sched-int.h (sched_init): Declaration changed.
480         * tree-profile.c (tree_profile_dump_file): Removed.
481         (tree_profile_hooks): Removed profile_dump_file hook.
482         * rtl-profile (rtl_profile_dump_file): Removed.
483         (rtl_profile_hooks): emoved profile_dump_file hook.
484         * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
485         changed.
486         * c-gimplify.c (c_genericize): Do not call local variable dump_file.
487         * tree-cfg.c (build_tree_cfg): Ditto.
488         * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
489         * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
490         Declaration changed.
491         * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
492         life_analysis and schedule_insns.
493         * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
494         life_analysis.
495         * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
496         dbr_schedule.
497         * config/mips/mips.c (mips_reorg): Ditto.
498         * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
499         schedule_ebbs.
501 2006-02-06  Aldy Hernandez  <aldyh@redhat.com>
503         * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
504         (s390_mangle_fundamental_type): New.
505         * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
506         Define.
508         * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
509         (alpha_mangle_fundamental_type): New.
510         * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
511         Define.
513         * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
514         Define.
515         * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
516         Define.
517         * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
518         (sparc_mangle_fundamental_type): New.
520 2006-02-06  Jakub Jelinek  <jakub@redhat.com>
522         * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
523         (s390x-*-linux*): Likewise.
524         * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
525         * config/s390/t-linux: New file.
527 2006-02-02  Bernd Schmidt  <bernd.schmidt@analog.com>
529         * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
530         sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
532 2006-02-06  Daniel Berlin  <dberlin@dberlin.org>
534         * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
535         (ANTIC_SAFE_LOADS): New macro.
536         (find_or_generate_expression): Add prototype.
537         (set_contains_value): Allow null set for sake of not always having
538         to allocate ANTIC_SAFE_LOADS.
539         (phi_translate): Move placement of AGGREGATE_TYPE_P check.
540         Allow COMPONENT_REF too.
541         (valid_in_set): Allow COMPONENT_REF.
542         Check ANTIC_SAFE_LOADS too.
543         (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
544         (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
545         rename.
546         (can_PRE_operation): Add COMPONENT_REF.
547         (create_component_ref_by_pieces): New function.
548         (create_expression_by_pieces): Use create_component_ref_by_pieces.
549         (insert_aux): Move AGGREGATE_TYPE_P check here.
550         (compute_avail): Set bb local stmt uids.
551         (pass_pre): Use TODO_update_ssa_only_virtuals.
552         
553 2006-02-06  Ben Elliston  <bje@au.ibm.com>
555         * configure.ac: Unconditionally disable decimal float by default.
556         * configure: Regenerate.
558 2006-02-06  Ben Elliston  <bje@au.ibm.com>
560         * read-rtl.c (read_name): Terminate reading on EOF.
562 2006-02-06  Ben Elliston  <bje@au.ibm.com>
564         * dfp.c (decimal_real_arithmetic): Change second argument type
565         from int to enum tree_code. Do not always return true, but now
566         return result of any call to decimal_do helper functions.
567         * dfp.h (decimal_real_arithmetic): Update prototype.
569 2006-02-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
571         * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
573 2006-02-05  Andrew Pinski  <pinskia@physics.uc.edu>
575         PR tree-opt/25251
576         * tree-cfg.c (cleanup_dead_labels): Also don't remove
577         forced labels.
579 2006-02-04  Zdenek Dvorak <dvorakz@suse.cz>
581         * tree-vrp.c (cfg_loops): Removed.
582         (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
583         Use current_loops instead of cfg_loops.  Pass flags to
584         loop_optimizer_init.
585         * cfgloopmanip.c (fix_loop_structure): Update only available
586         information.
587         * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
588         loop_optimizer_init.
589         * modulo-sched.c (build_loops_structure): Removed.
590         (sms_schedule): Use loop_optimizer_init.
591         * loop-init.c (loop_optimizer_init): Use flags to determine
592         which properties of loops to prepare.
593         (rtl_loop_init): Pass flags to loop_optimizer_init.
594         * tree-ssa-sink.c (execute_sink_code): Ditto.
595         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
596         * tree-ssa-pre.c (init_pre): Ditto.
597         * cfgloop.h (LOOPS_NORMAL): New.
598         (loop_optimizer_init): Declaration changed.
600 2006-02-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
602         * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
603         * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
604         pa/t-pa.
605         * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
606         pa/t-pa.
607         * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
608         pa/x-ada.
609         * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
610         * pa/t-pa64: Delete quadlib.c rule.
611         * pa/x-ada: Revert last change.
612         * pa/t-pa: Revert last change.  Delete quadlib.c rule.
614 2006-02-04  Zdenek Dvorak <dvorakz@suse.cz>
616         PR rtl-optimization/26087
617         * rtlanal.c (canonicalize_condition): Do not cross basic block
618         boundaries.
620 2006-02-04  Alexandre Oliva  <aoliva@redhat.com>
622         PR debug/24444
623         * config/ia64/ia64.c: Include debug.h.
624         (MAX_ARTIFICIAL_LABEL_BYTES): New.
625         (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
626         (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
627         (process_epilogue, process_set, process_for_unwind_directive):
628         Output unwind info only if requested.  Add CFA info if requested.
629         Add new arguments as needed.  Adjust callers.
630         * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
631         incorrect default.
632         (DWARF2_FRAME_INFO): Define to zero.
633         * config/ia64/unwind-ia64.c: Remove code that compensated for
634         the CFA offset error fixed above.
635         * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
636         * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
637         (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
638         -funwind-tables and -fexceptions to enable frame info.
639         (dwarf2out_frame_init): Define initial CFA even if
640         DWARF2_UNWIND_INFO is disabled.  Call initial_return_save if
641         DWARF2_UNWIND_INFO is nonzero, not just defined.
642         (dwarf2out_frame_finish): Output non-EH call frame info only
643         if DWARF2_FRAME_INFO is nonzero.
644         (convert_cfa_to_loc_list,
645         compute_frame_pointer_to_cfa_displacement): Define even if
646         unwind info is not supported.
647         (gen_subprogram_die): Use the above unconditionally.  Remove
648         legacy alternate code.
649         * toplev.c (compile_file): Compile in call to
650         dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
651         (lang_dependent_init): Ditto for dwarf2out_frame_init.
653 2006-02-04  David Edelsohn  <edelsohn@gnu.org>
654             Jakub Jelinek  <jakub@redhat.com>
656         * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
657         IBM extended float format long double as "g" on powerpc*-linux.
659 2006-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
661         PR target/25926
662         * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
663         * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
665 2006-02-03  Jason Merrill  <jason@redhat.com>
667         PR c++/25979
668         * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
670         PR middle-end/25977
671         * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
672         on the return slot if it's an NRV.
674 2006-02-03  Zdenek Dvorak <dvorakz@suse.cz>
676         * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
677         (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
678         rewrite_use): Do not handle USE_OUTER.
679         (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
680         add_iv_outer_candidates, may_replace_final_value,
681         determine_use_iv_cost_outer, rewrite_use_outer): Removed.
682         (find_interesting_uses_op): Functionality of
683         find_interesting_uses_outer_or_nonlin moved here.
684         (find_interesting_uses_outside): Use find_interesting_uses_op.
686 2006-02-03  Alan Modra  <amodra@bigpond.net.au>
688         PR target/25960
689         * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
691 2006-02-03  Andreas Krebbel  <krebbel1@de.ibm.com>
692             Ulrich Weigand  <uweigand@de.ibm.com>
694         PR target/25864
695         * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
696         "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
697         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
698         * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr 
699         and dxr fields.
700         (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
701         (s390_rtx_costs): Use the new fields to calculate rtx costs.
702         (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
703         Define secondary reloads for TFmode moves.
704         (constant_modes): Add TFmode.
705         (NR_C_MODES): Set to 8.
706         * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
707         builtin define.
708         (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
709         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
710         (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS, 
711         CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
712         * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf, 
713         fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
714         (FPR mode macro): Add TFmode.
715         (DSF mode macro): New.
716         (<de>, <dee> mode attributes): Removed.
717         (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
718         ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs", 
719         "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee", 
720         "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3", 
721         "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm", 
722         "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly", 
723         "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
724         "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc", 
725         "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm", 
726         "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
727         "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly", 
728         "*negabs<mode>2", "sqrt<mode>2"):
729         Changed <de> to <xde>. R constraint replaced by <Rf>.
730         ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by 
731         <Rf>.
732         ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
733         ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
734         ("*movtf_64", "*movtf_31"): New insn definitions followed by 5 
735         splitters.
736         ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2", 
737         "extenddftf2", "extendsftf2"): New expanders.
738         ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee", 
739         "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
740         "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
741         * config/s390/s390.opt (mlong-double-128, mlong-double-64):
742         New options.
743         * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
744         * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2, 
745         __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
746         __floatditf): Add a GCC_4.1.0 symbol version tag.
747         * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
748         the new options.
750 2006-02-02  Andrew Pinski  <pinskia@physics.uc.edu>
752         PR target/25377
753         * config/i386/i386.c (ix86_function_ok_for_sibcall):
754         Use targetm.binds_local_p instead of TREE_PUBLIC.
756 2006-02-02  Roger Sayle  <roger@eyesopen.com>
758         * tree.h (TYPE_STRING_FLAG): Document that this field may be used
759         on INTEGER_TYPEs to indicate that it denotes a character type.
760         * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
761         signed_char_type_node, unsigned_char_type_node and char_type_node.
762         * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
763         INTEGER_TYPE.  Use TYPE_STRING_FLAG to decide whether to emit
764         a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
766 2006-02-02  Zdenek Dvorak <dvorakz@suse.cz>
767             Daniel Berlin  <dberlin@dberlin.org>
769         * tree-tailcall.c (arg_needs_copy_p): New function.
770         (eliminate_tail_call): Use arg_needs_copy_p.
771         (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
772         (add_virtual_phis): New function.
774 2006-02-02  Jakub Jelinek  <jakub@redhat.com>
776         * config/sparc/sparc.c (sparc_output_scratch_registers): Use
777         #ignore instead of #scratch for %g7 .register directive.
779 2006-02-02  Andreas Tobler  <a.tobler@schweiz.ch>
781         * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
782         object files.
784 2006-02-02  Bernd Schmidt  <bernd.schmidt@analog.com>
786         * flow.c (calculate_global_regs_live): Assert that there aren't any
787         EDGE_FAKE edges.
789 2006-02-02  Paolo Bonzini  <bonzini@gnu.org>
791         * tree-flow-inline.h (bsi_after_labels): Rewrite, return
792         what its name says.
793         * lambda-code.c (perfect_nestify): Use bsi_insert_before on
794         bsi_after_labels iterator.
795         * tree-if-conv.c (find_phi_replacement_condition,
796         replace_phi_with_cond_modify_expr): Likewise.
797         * tree-scalar-evolution.c (scev_const_prop): Likewise.
798         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
800 2006-02-02  Diego Novillo  <dnovillo@redhat.com>
802         * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
804 2006-02-02  Diego Novillo  <dnovillo@redhat.com>
806         PR 25990
807         * tree-cfg.c (move_block_to_fn): Clear out the basic block
808         array after growing it.
810 2006-02-01  Steve Ellcey  <sje@cup.hp.com>
812         PR middle-end/24901
813         * fold-const.c (fold_checksum_tree): Change type of buf.
815 2006-02-01  Bernd Schmidt  <bernd.schmidt@analog.com>
817         * reload.c (push_secondary_reload): Initialize t_icode.
819 2006-02-01  Jakub Jelinek  <jakub@redhat.com>
821         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
822         -msoft-float -mlong-double-128 only issue a warning, but don't
823         swich to DFmode long double.
825 2006-02-01  Hans-Peter Nilsson  <hp@axis.com>
827         * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
828         has a constant equivalent, iterate over equivalents for arg0,
829         calling simplify_relational_operation and if there's a result
830         cheaper than X, apply fold_rtx and return the result.
832 2006-02-01  Jan Hubicka  <jh@suse.cz>
834         * opts.c (no_unit_at_a_time_default): New global variable.
835         (decode_options): Use it.
836         * opts.h (no_unit_at_a_time_default): Declare.
838 2006-02-01  Paul Brook  <paul@codesourcery.com>
840         * function.c (assign_parm_setup_reg): Use function argument promotion
841         rules.
842         * expr.c (expand_expr_real_1): Use function argument promotion rules
843         for PARM_DECLs.
845 2006-02-01  Steve Ellcey  <sje@cup.hp.com>
847         * gcc.c (process_command): Change j to 'unsigned int'.
849 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
851         PR middle-end/26001
852         * expr.c (expand_expr_real_1) <case ARRAY_REF>:
853         Use the corrected index for the character
854         out of the string constant.
856 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
858         * mode-switching.c (optimize_mode_switching): Fix size
859         allocated for bb_info[n_entities].
861 2006-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
863         * gcc.c (main): Correct type that is allocated for
864         explicit_link_files.
866 2006-01-31  Jakub Jelinek  <jakub@redhat.com>
868         * config/s390/s390.c (init_alignment_context): Set
869         ALIAS_SET_MEMORY_BARRIER on the MEM.
870         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
872 2006-01-31  Uttam Pawar  <uttamp@us.ibm.com>
874         PR middle-end/25933
875         * loop-unroll.c (unroll_loop_runtime_iterations): Free
876         dom_bbs pointer.
877         * tree-ssa-live.c (type_var_init): Allocate bitmap after
878         call to tpa_init.
880 2006-01-31  Marcin Dalecki  <martin@dalecki.de>
882         * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
883         * regrename.c: Ditto.
884         * tree-ssa-loop-im.c: Ditto.
885         * tree-dump.c: Ditto.
886         * tree-complex.c: Ditto.
887         * genrecog.c: Ditto.
888         * tree-ssa-threadupdate.c: Ditto.
889         * tracer.c: Ditto.
890         * java/class.c: Ditto.
891         * java/jcf-parse.c: Ditto.
892         * java/resource.c: Ditto.
893         * java/except.c: Ditto.
894         * java/jvspec.c: Ditto.
895         * java/jcf-write.c: Ditto.
896         * java/jcf-path.c: Ditto.
897         * java/gjavah.c: Ditto.
898         * java/zextract.c: Ditto.
899         * java/jcf-io.c: Ditto.
900         * java/jcf.h: Ditto.
901         * java/buffer.c: Ditto.
902         * java/lang.c: Ditto.
903         * java/parse-scan.y: Ditto.
904         * java/lex.c: Ditto.
905         * java/lex.h: Ditto.
906         * cfgloopmanip.c: Ditto.
907         * postreload-gcse.c: Ditto.
908         * tree-ssa-loop-manip.c: Ditto.
909         * postreload.c: Ditto.
910         * tree-ssa-loop-ch.c: Ditto.
911         * loop.c: Ditto.
912         * ipa-cp.c: Ditto.
913         * cppspec.c: Ditto.
914         * diagnostic.c: Ditto.
915         * final.c: Ditto.
916         * genoutput.c: Ditto.
917         * gcc.c: Ditto.
918         * cfghooks.c: Ditto.
919         * cfgloopanal.c: Ditto.
920         * objc/objc-act.c: Ditto.
921         * gcov.c: Ditto.
922         * genextract.c: Ditto.
923         * genautomata.c: Ditto.
924         * pretty-print.c: Ditto.
925         * genemit.c: Ditto.
926         * cgraphunit.c: Ditto.
927         * flow.c: Ditto.
928         * df-scan.c: Ditto.
929         * haifa-sched.c: Ditto.
930         * dominance.c: Ditto.
931         * dbxout.c: Ditto.
932         * tree-ssa-loop-ivopts.c: Ditto.
933         * df-core.c: Ditto.
934         * mode-switching.c: Ditto.
935         * modulo-sched.c: Ditto.
936         * graph.c: Ditto.
937         * ipa-pure-const.c: Ditto.
938         * cse.c: Ditto.
939         * fix-header.c: Ditto.
940         * web.c: Ditto.
941         * tree-stdarg.c: Ditto.
942         * ipa-utils.c: Ditto.
943         * loop-init.c: Ditto.
944         * ipa-inline.c: Ditto.
945         * cfganal.c: Ditto.
946         * global.c: Ditto.
947         * alloc-pool.c: Ditto.
948         * dwarf2out.c: Ditto.
949         * opts.c: Ditto.
950         * genattrtab.c: Ditto.
951         * tree-ssa-loop-ivcanon.c: Ditto.
952         * predict.c: Ditto.
953         * timevar.c: Ditto.
954         * lcm.c: Ditto.
955         * fortran/gfortranspec.c: Ditto.
956         * regmove.c: Ditto.
957         * local-alloc.c: Ditto.
958         * langhooks.c: Ditto.
959         * function.c: Ditto.
960         * tree-vectorizer.c: Ditto.
961         * gcse.c: Ditto.
962         * ipa-type-escape.c: Ditto.
963         * alias.c: Ditto.
964         * tree-if-conv.c: Ditto.
965         * profile.c: Ditto.
966         * ipa.c: Ditto.
967         * tree-data-ref.c: Ditto.
968         * loop-unroll.c: Ditto.
969         * treelang/treetree.c: Ditto.
970         * calls.c: Ditto.
971         * bt-load.c: Ditto.
972         * ggc-common.c: Ditto.
973         * except.c: Ditto.
974         * coverage.c: Ditto.
975         * cselib.c: Ditto.
976         * tree-cfgcleanup.c: Ditto.
977         * tree-ssa-pre.c: Ditto.
978         * cfgcleanup.c: Ditto.
979         * loop-invariant.c: Ditto.
980         * loop-iv.c: Ditto.
981         * ipa-prop.c: Ditto.
982         * print-tree.c: Ditto.
983         * conflict.c: Ditto.
984         * ggc-page.c: Ditto.
985         * sched-deps.c: Ditto.
986         * regclass.c: Ditto.
987         * tree-object-size.c: Ditto.
988         * combine.c: Ditto.
989         * bb-reorder.c: Ditto.
990         * resource.c: Ditto.
991         * var-tracking.c: Ditto.
992         * cfgloop.c: Ditto.
993         * df-problems.c: Ditto.
994         * reg-stack.c: Ditto.
995         * tlink.c: Ditto.
996         * gccspec.c: Ditto.
997         * sched-rgn.c: Ditto.
998         * tree-ssa-structalias.c: Ditto.
999         * tree-ssa-reassoc.c: Ditto.
1000         * config/darwin-c.c: Ditto.
1001         * config/darwin.c: Ditto.
1002         * config/arm/arm.c: Ditto.
1003         * cfgrtl.c: Ditto.
1004         * collect2.c: Ditto.
1005         * reload1.c: Ditto.
1007 2006-01-31  Nicolas Pitre  <nico@cam.org>
1009         * arm.md (smaxsi3): Make aware of smax_m1.
1010         (smax_m1): New.
1012 2006-01-31  Nathan Sidwell  <nathan@codesourcery.com>
1014         * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
1016 2006-01-31  Richard Guenther  <rguenther@suse.de>
1018         * doc/invoke.texi (-msselibm): Document.
1019         * target.h (expand_library_builtin): New target hook.
1020         * builtins.c (expand_builtin): Use expand_library_builtin.
1021         (default_expand_library_builtin): New function.
1022         * gcc.c (LINK_GCC_MATH_SPEC): Define.
1023         (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1024         (link_gcc_math_spec): Declare.
1025         (static_specs): Add link_gcc_math_spec.
1026         * expr.h (default_expand_library_builtin): Declare.
1027         * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1028         (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1029         * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1030         * config/i386/i386.opt (msselibm): New target option.
1031         * config/i386/i386.c (ix86_builtin_function_variants): New array.
1032         (ix86_init_sse_abi_builtins): New function.
1033         (ix86_expand_library_builtin): Likewise.
1034         (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1035         (override_options): Handle error conditions wrt -msselibm.
1036         (ix86_builtins): Add function codes for SSE2 ABI builtins.
1037         (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1038         * doc/extend.texi (__builtin_sse2_*): Document new target specific
1039         builtins.
1041 2006-01-31  Richard Guenther  <rguenther@suse.de>
1042         Paolo Bonzini  <bonzini@gnu.org>
1044         * doc/install.texi (--disable-libgcc-math): Document.
1046 2006-01-30  Marcin Dalecki  <martin@dalecki.de>
1048         * expr.h (expand_normal): new inline function.
1049         * builtins.c: use it, use EXPAND_NORMAL explicitely.
1050         * dojump.c: use it.
1051         * dwarf2out.c: use it.
1052         * expr.c: use it.
1053         * calls.c: use it.
1054         * expmed.c: use it.
1055         * except.c: use it.
1056         * config/sparc/sparc.c: use it.
1057         * config/i386/i386.c: use it.
1058         * config/rs6000/rs6000.c: use it.
1059         * config/arm/arm.c: use it.
1060         * config/mips/mips.c: use it.
1061         * stmt.c: use it, use EXPAND_NORMAL explicitely.
1063 2006-01-30  Roger Sayle  <roger@eyesopen.com>
1065         * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
1066         argv to the appropriate type.
1068 2006-01-30  Zdenek Dvorak <dvorakz@suse.cz>
1070         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
1071         unreachable code.
1073 2006-01-30  Ulrich Weigand  <uweigand@de.ibm.com>
1075         PR target/26018
1076         * config/s390/s390.c (struct machine_function): New flag
1077         decomposed_literal_pool_addresses_ok_p.
1078         (s390_reorg): Set it before final stage of literal pool transforms.
1079         (s390_decompose_address): Only accept displacements of the form
1080         (minus (label_ref ...) (label_ref ...)) if that flag is set.
1082 2006-01-30  Carlos O'Donell  <carlos@codesourcery.com>
1084         * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
1085         the comparison routine return.
1087 2006-01-30  Michael Matz  <matz@suse.de>
1089         * global.c (find_reg): Only evict for global regs.
1090         Take n_refs into account and dump more info.
1092 2006-01-30  J"orn Rennecke <joern.rennecke@st.com>
1094         PR target/14798:
1095         * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
1096         (pragma_trap, pragma_nosave_low_regs): Likewise.
1097         (current_function_anonymous_args): Likewise.
1098         (sh_deferred_function_attributes): New variable.
1099         (sh_deferred_function_attributes_tail): Likewise.
1100         (print_operand): For '@', look up trap_exit attribute.
1101         (calc_live_regs): Look up trapa_handler attribute.  For trapa
1102         handlers, save/restore fpscr, but don't do any other
1103         interrupt-specific saves.
1104         Don't save r0..r7 if the nosave_low_regs attribute is in effect.
1105         Fix check for partially saved registers to check for SHmedia.
1106         (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
1107         (sh_output_function_epilogue): Don't clear any of the removed
1108         variables.
1109         (sh_insert_attributes): Don't check pragma_interrupt.
1110         Insert deferred attributes.  Check that interrupt attribute is
1111         present for other attributes that require its presence.
1112         (sh_attribute_table): Add new attributes trapa_handler and
1113         nosave_low_regs.
1114         (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
1115         Don't check for pragma_interrupt.  Don't store argument.
1116         * sh.h (pragma_interrupt, sp_switch): Don't declare.
1117         (sh_deferred_function_attributes): Declare.
1118         (sh_deferred_function_attributes_tail): Likewise.
1119         * sh.md (sp_switch_1): Add operand.  Change generator caller.
1120         (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
1121         (*return_i): Don't use when trap_exit attribute is in effect.
1122         (*return_trapa): New insn pattern.
1123         * sh-c.c: New file.
1124         * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
1125         setting c_target_objs and cxx_target_objs.
1126         * t-sh: Add rule for sh-c.o.
1128 2006-01-30  Richard Guenther  <rguenther@suse.de>
1130         PR c++/23372
1131         * gimplify.c (gimplify_target_expr): Handle easy cases
1132         without creating a temporary.
1134 2006-01-30  Nathan Sidwell  <nathan@codesourcery.com>
1136         * vec.h (safe_grow): Remove duplicated line.
1138 2006-01-29  Diego Novillo  <dnovillo@redhat.com>
1140         PR 25874
1141         * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
1142         (expand_omp): ... here.
1143         (expand_omp_parallel): Only remove barriers for combined
1144         parallel+workshare constructs.
1146 2006-01-29  Eric Botcazou  <ebotcazou@adacore.com>
1148         Revert
1150         2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
1151         * tree.c (build_qualified_type): Chain the new type to the original
1152         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
1153         a POINTER_TYPE or a REFERENCE_TYPE respectively.
1154         (build_pointer_type_for_mode): Only return unqualified types.
1155         (build_reference_type_for_mode): Likewise.
1157 2006-01-29  Gabriel Dos Reis  <gdr@integgrable-solutions.net>
1159         * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
1160         * Makefile.in (CXX_COMPAT_WARN): Define.
1161         * configure: Regenerate.
1163 2006-01-29  Dorit Nuzman  <dorit@il.ibm.com>
1165         PR tree-opt/25911
1166         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
1167         to an if check.
1169 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1171         * toplev.c: Fix thinko.
1173 2006-01-29  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1174             Marcin Dalecki  <martin@dalecki.de>
1176         * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
1177         (push_srcloc): Use XNEW.
1178         (init_asm_output, default_get_pch_validity): Use XNEWVEC.
1180 2006-01-29  Kenneth Zadeck <zadeck@naturalbridge.com>
1182         * df-core.c (df_set_blocks): Deleted all variable.
1184 2006-01-28  Ian Lance Taylor  <ian@airs.com>
1186         * cgraphunit.c (cgraph_assemble_pending_functions): Call
1187         cgraph_output_pending_asms.
1189 2006-01-28  Zack Weinberg  <zackw@panix.com>
1191         * c.opt: Add -W(no-)overlength-strings.
1192         * doc/invoke.texi: Document it.
1193         * c-opts.c (c_common_handle_option): -pedantic implies
1194         -Woverlength-strings, if not explicitly disabled already.
1195         (c_common_post_options): -Woverlength-strings defaults to off, and
1196         is always off for C++.
1197         * c-common.c (fix_string_type): Issue warning about strings longer
1198         than is portable only if warn_overlength_strings.  Rearrange code
1199         a little for clarity.
1200         * configure.in: Check for -Wno-overlength-strings as well before
1201         enabling -pedantic in stage 1.
1202         * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
1203         (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
1205         * genconditions.c (write_header, write_one_condition)
1206         (write_conditions, write_writer): Consolidate very long strings
1207         that were broken up to fit in C89 portable limit.  Don't use
1208         printf when fputs will do.
1210 2006-01-28  Adam Nemet  <anemet@caviumnetworks.com>
1212         * combine.c (simplify_comparison <AND>): Check
1213         TRULY_NOOP_TRUNCATION before start using a subreg.
1215         * config/mips/mips.md (*branch_zero<mode>,
1216         *branch_zero<mode>_inverted, *branch_equality<mode>,
1217         *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
1218         Remove mode check from comparisons.
1220 2006-01-28  Kenneth Zadeck <zadeck@naturalbridge.com>
1222         * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
1224 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
1226         * expmed.c (const_mult_add_overflow_p): Remove.
1227         * expr.h: Remove the prototype for const_mult_add_overflow_p.
1229         * recog.c (validate_replace_rtx_subexp): Remove.
1230         * recog.h: Remove the prototype for
1231         validate_replace_rtx_subexp.
1233         * integrate.h: Remove the prototype for
1234         copy_decl_for_inlining.
1235         * rtl.h: Remove the prototype for mark_constant_function.
1236         * tree-vectorizer.h: Remove the prototype for
1237         vect_strip_conversion.
1239         * modulo-sched.c (create_partial_schedule,
1240         free_partial_schedule, reset_partial_schedule): Make them
1241         static.
1243         * hooks.c (hook_bool_rtx_int_false): Remove.
1244         * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
1246 2006-01-28  David Edelsohn  <edelsohn@gnu.org>
1248         * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1249         and -mlong-double-128 are incompatible.
1250         * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
1251         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
1252         (TARGET_LIBGCC2_CFLAGS): Define.
1253         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
1254         (TARGET_LIBGCC2_CFLAGS): Same.
1255         * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
1257 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
1259         PR c/19606.
1260         * c-typeck.c (build_binary_op): Perform implicit casts of
1261         operands before shortening them.
1263         * cfgloopmanip.c (split_loop_bb): Remove.
1264         * cfgloop.h: Remove the prototype for split_loop_bb.
1266         * cfgloop.c (flow_loop_outside_edge_p): Remove.
1267         * cfgloop.h: Remove the prototype for
1268         flow_loop_outside_edge_p.
1270         * emit-rtl.c (init_virtual_regs): Make it static.
1271         * function.h: Remove the prototype for init_virtual_regs.
1273         * recog.c (peephole2_optimize): Make it static.
1274         * recog.h: Remove the prototype for peephole2_optimize.
1276 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1278         * df-scan.c (df_record_entry_block_defs): Check if
1279         INCOMING_RETURN_ADDR_RTX is defined.
1281 2006-01-27  Daniel Berlin  <dberlin@dberlin.org>
1282             Kenneth Zadeck <zadeck@naturalbridge.com>
1284         PR rtl-optimization/24762
1285         * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1286         * targhooks.c (hook_void_bitmap): New hook prototype.
1287         * targhoohs.h (hook_void_bitmap): Ditto.
1288         * bitmap.h (bitmap_head_def): Moved to coretypes.h.
1289         * coretypes.h (bitmap_head_def): Moved from bitmap.h.
1290         * target.h (live_on_entry): New function pointer.
1291         * df-scan.c (df_all_hard_regs): Removed.
1292         (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
1293         (df_scan_free_internal): Added df->entry_block_defs.
1294         (df_scan_alloc): Ditto.
1295         (df_scan_dump): Ditto.
1296         (df_uses_record): Plumbed flag field properly thru calls.
1297         Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
1298         This part fixes PR24762.
1299         (df_bb_refs_record): Added code to make the frame and arg
1300         pointers live in EH blocks.
1301         (df_refs_record): Added call to df_record_entry_block_defs.
1302         (df_record_entry_block_defs): New function.
1303         * df-core.c: Added comments to describe new artifical defs.
1304         * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
1305         (entry_block_defs): New field in struct df.
1306         (df_all_hard_regs): Deleted.
1307         * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
1308         * df-problems.c (df_ru_bb_local_compute_process_def):
1309         Added code to handle artifical defs in the entry to a function.
1310         (df_ru_bb_local_compute): Ditto.
1311         (df_rd_bb_local_compute_process_def):  Ditto.
1312         (df_rd_bb_local_compute): Ditto.
1313         (df_lr_bb_local_compute): Ditto.
1314         (df_ur_bb_local_compute): Ditto.
1315         (df_urec_bb_local_compute):  Ditto.
1316         (df_chain_create_bb):  Ditto.
1317         (df_ur_local_finalize): Removed entry.
1318         (df_urec_init): Ditto.
1319         (df_urec_local_finalize): Ditto.
1320         (df_ri_bb_compute): Added detection of last use of pseudos.
1321         * Makefile.in (df-scan.o): Updated dependencies.
1322         * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
1323         * config/mips/mips.c (mips_set_live_on_entry): Added.
1324         * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
1325         for target hook.
1326         * dce.c (marked_insn_p): Added code to handle artifical defs.
1328 2006-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1330         * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
1331         intrinsic.
1332         (_mm_cvtsi128_si64): Likewise.
1333         (_mm_cvtsd_si64): Likewise.
1334         (_mm_cvttsd_si64): Likewise.
1335         (_mm_cvtsi64_sd): Likewise.
1336         (_mm_cvtsi64_si128): Likewise.
1337         * config/i386/mmintrin.h (_m_from_int64): Likewise.
1338         (_mm_cvtsi64_m64): Likewise.
1339         (_m_to_int64): Likewise.
1340         (_mm_cvtm64_si64): Likewise.
1341         * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
1342         (_mm_cvttss_si64): Likewise.
1343         (_mm_cvtsi64_ss): Likewise.
1344         (_mm_cvtss_f32): Likewise.
1346 2006-01-27  Carlos O'Donell  <carlos@codesourcery.com>
1348         * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
1349         for pragma redefine_extname.
1351 2006-01-27  Jakub Jelinek  <jakub@redhat.com>
1353         PR target/25864
1354         * libgcc-std.ver: Add GCC_4.1.0 symbol version.
1355         * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
1356         -mno-minimal-toc to previous content.
1357         (bispecs): Remove goal.
1358         * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
1359         * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
1360         compatibility aliases on powerpc-*-*gnu*.
1361         * config/rs6000/libgcc-ppc-glibc.ver: New file.
1362         * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
1363         libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
1364         (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
1365         (ldblspecs): New goal.
1366         * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
1367         * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
1368         _df_to_tf.
1369         * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
1370         L_sf_to_tf or L_df_to_tf is defined.
1372 2006-01-27  David Edelsohn  <edelsohn@gnu.org>
1373             Alan Modra  <amodra@bigpond.net.au>
1375         PR target/25864
1376         * config/rs6000/linux.h (POWERPC_LINUX): Define.
1377         * config/rs6000/linux64.h (POWERPC_LINUX): Define.
1378         * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
1379         * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
1380         * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
1381         * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
1382         (rs6000_override_options): Initialize rs6000_ieeequad.
1383         Initialize TFmode format to ibm_extended_format if not
1384         TARGET_IEEEQUAD.
1385         (rs6000_handle_option): Accept -mabi= ibmlongdouble and
1386         ieeelongdouble.
1387         (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
1388         (rs6000_return_in_memory): Only return IEEEQUAD in memory.
1389         (function_arg_advance): IBM long double passed in two FPRs, not
1390         split.
1391         (function_arg): IBM long double passed in FPRs.
1392         (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
1393         (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
1394         Only multireg GPR aligned.
1395         (rs6000_init_libfuncs): Enable IBM long double functions if not
1396         IEEEQUAD.
1397         (rs6000_generate_compare): Use IBM long double compare if not
1398         TARGET_IEEEQUAD.
1399         * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
1400         (TARGET_IEEEQUAD): Define.
1401         (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
1402         not TARGET_IEEEQUAD.
1403         * config/rs6000/rs6000.md: Enable TFmode patterns if
1404         !TARGET_IEEEQUAD.
1405         * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
1406         * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
1407         and -mlong-double-128 are incompatible.
1408         * doc/invoke.texi (-mabi): Collect options together.  Add
1409         ibmlongdouble and ieeelongdouble.
1411 2006-01-27  Richard Sandiford  <richard@codesourcery.com>
1413         * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
1414         opaque type.
1415         * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
1416         * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
1417         (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
1418         * rtl.h (rtunion_def): Remove rt_ptr.
1419         (X0PTR): Delete.
1420         (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
1421         (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
1422         * config/i386/winnt.c (i386_pe_mark_dllexport)
1423         (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
1425 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
1427         * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
1429 2006-01-26 Alexandre Oliva  <aoliva@redhat.com>
1431         PR other/24829
1432         PR target/24831
1433         * gthr-dce.h: Do not gthrw-ify pthread_once_init,
1434         pthread_key_delete.  From John David Anglin.  gthrw-ify
1435         pthread_getunique_np only if it it's not a macro.  Delete
1436         UNUSED macro.
1437         (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
1438         __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
1439         __gthread_objc_condition_signal, __gthread_key_delete): Add
1440         "__attribute__ ((__unused__))" to unused arguments.
1441         (__gthread_recursive_mutex_init_function): Add missing return.
1442         * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
1443         gthr-posix95.h: Use macro-based approach for name redirection
1444         on targets missing weakref.
1446 2006-01-26  Zack Weinberg  <zackw@panix.com>
1448         * genconditions.c (write_header): In generated code, #ifdef out
1449         all includes and fake declarations, except includes of bconfig.h
1450         and system.h, unless GCC_VERSION >= 3001.  Do not include
1451         gensupport.h in any case.
1452         (write_conditions): Generate a definition of struct c_test.  Add
1453         a comment to the generated #endif.
1454         (write_one_condition): Escape backslashes in string too.
1455         (write_writer): Generated code must escape backslashes and quote
1456         marks (but not newlines) in the strings it writes.
1457         * Makefile.in (build/gencondmd.o): Update dependencies.
1459 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
1461         PR target/25961
1462         * Makefile.in (insn-automata.o): Add header file dependencies.
1463         * genautomata.c: Add includes.
1465 2006-01-26  Steve Ellcey  <sje@cup.hp.com>
1467         PR target/25961
1468         * Makefile.in (insn-automata.o): Add -Wno-error flag.
1470 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
1472         * configure.ac: Expect target tools paths to be passed from the toplevel
1473         and wrap the detection into AS_SET_VAR_IF.  Extract side-effects out of
1474         AS_SET_VAR_IF.
1475         * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
1477 2006-01-26  Alexandre Oliva  <aoliva@redhat.com>
1479         PR c/25892
1480         * c.opt (Wpointer-sign): Init to -1.
1481         * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
1482         OPT_pedantic, to 0 otherwise.
1483         * doc/invoke.texi: Update.
1485 2006-01-26  Paolo Bonzini  <bonzini@gnu.org>
1487         * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
1488         constants provided by 80387 instructions in the destination mode.
1490 2006-01-26  Richard Guenther  <rguenther@suse.de>
1491             Andrew Pinski  <pinskia@physics.uc.edu>
1493         PR tree-opt/21470
1494         partial PR tree-opt/17064
1495         * tree-ssa-structalias.c (intra_create_variable_infos):
1496         Create heap variables for incoming parameters if
1497         flag_argument_noalias > 1.
1498         (find_what_p_points_to): Look through default defs of
1499         parameter decls.
1501 2006-01-26  Jeff Law  <law@redhat.com>
1503         PR ada/25900
1504         * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
1505         with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
1506         within the VR_RANGE, use the VR_RANGE as the result, not the
1507         VR_ANTI_RANGE.
1508         (adjust_range_with_scev): Reject ranges from SCEV which are out of
1509         bounds for the type.
1511 2006-01-26  Daniel Berlin  <dberlin@dberlin.org>
1513         * tree-ssa-alias.c (maybe_create_global_var): Change
1514         subvar walking to an assertion that we don't have subvar'd variables.
1516 2006-01-26  Andrew Pinski  <pinskia@physics.uc.edu>
1518         PR C/25861
1519         * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
1520         Use a new variable, inner.  PARM_DECLs are always non-weak.
1522 2006-01-26  Shantonu Sen  <ssen@opendarwin.org>
1524         * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
1525         --disable-checking.
1527 2006-01-26  Adam Nemet  <anemet@caviumnetworks.com>
1529         * config/mips/mips.md (*clear_upper32): New combiner pattern.
1531 2006-01-26  Richard Earnshaw  <richard.earnshaw@arm.com>
1533         * arm.md (smaxsi3, sminsi3): Convert to define_expand.
1534         (smax_insn, smin_insn, smax_0, smin_0): New.
1536 2006-01-26  Hans-Peter Nilsson  <hp@axis.com>
1538         PR target/25947
1539         * config/cris/cris.c (cris_order_for_addsi3): New function.
1540         * config/cris/cris-protos.h: Prototype it.
1541         * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
1542         (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
1543         (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
1544         (split for "op.S1 [rx=rx+i],ry (swapped)")
1545         (split for "op(s|u).S1 [rx=rx+i],ry")
1546         (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
1547         Apply cris_order_for_addsi3 when generating addsi3 insns.
1549 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
1551         * tree.h (TREE_RANGE_CHECK): Fix range predicate.
1552         (TREE_BLOCK): Add call to EXPR_CHECK.
1554 2006-01-25  Diego Novillo  <dnovillo@redhat.com>
1556         PR 25886
1557         * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
1558         * tree-pretty-print.c (dump_omp_clause): Extract from ...
1559         (dump_omp_clauses): ... here.
1560         (dump_generic_node): Handle OMP_CLAUSE.
1561         * tree.c (omp_clause_num_ops): New.
1562         (omp_clause_code_name): New.
1563         (tree_code_size): Handle OMP_CLAUSE.
1564         (tree_size): Likewise.
1565         (make_node): Document handling of OMP_CLAUSE.
1566         (tree_node_structure): Handle OMP_CLAUSE.
1567         (omp_clause_check_failed): New.
1568         (omp_clause_range_check_failed): New.
1569         (omp_clause_operand_check_failed): New.
1570         (build_omp_clause): New.
1571         (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
1572         * tree.h (enum omp_clause_code): Declare.
1573         (OMP_CLAUSE_SUBCODE_CHECK): Define.
1574         (OMP_CLAUSE_RANGE_CHECK): Define.
1575         (OMP_CLAUSE_ELT_CHECK): Define.
1576         (omp_clause_check_failed): Declare.
1577         (omp_clause_operand_check_failed): Declare.
1578         (omp_clause_range_check_failed): Declare.
1579         (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
1580         (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
1581         (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
1582         (OMP_CLAUSE_LASTPRIVATE): Likewise.
1583         (OMP_CLAUSE_IF_EXPR): Likewise.
1584         (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
1585         (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
1586         (OMP_CLAUSE_REDUCTION_CODE): Likewise.
1587         (OMP_CLAUSE_REDUCTION_INIT): Likewise.
1588         (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
1589         (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
1590         Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
1591         (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
1592         (OMP_CLAUSE_DEFAULT_KIND): Likewise.
1593         (OMP_CLAUSE_CODE): Define.
1594         (OMP_CLAUSE_SET_CODE): Define.
1595         (OMP_CLAUSE_CODE): Define.
1596         (OMP_CLAUSE_OPERAND): Define.
1597         (struct tree_omp_clause): Declare.
1598         (union tree_node): Add field 'omp_clause'.
1599         * treestruct.def (TS_OMP_CLAUSE): Define.
1600         * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
1601         OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
1602         OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
1603         OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
1604         OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
1605         OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
1606         (OMP_CLAUSE): Define.
1607         * print-tree.c (print_node): Handle OMP_CLAUSE.
1608         * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
1609         * c-typeck.c: Likewise.
1610         * gimplify.c: Likewise.
1611         * c-omp.c: Likewise.
1612         * tree-nested.c: Likewise.
1613         * tree-inline.c: Likewise.
1614         * c-parser.c: Likewise.
1615         * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
1616         clauses.
1618 2006-01-25  Roger Sayle  <roger@eyesopen.com>
1620         PR rtl-optimization/25703
1621         * combine.c (try_combine): Handle zero_extract and strict_low_part
1622         of non-lowpart SUBREGs for constant reg_subword_p set optimization.
1624 2006-01-25  Peter Bergner  <bergner@vnet.ibm.com>
1626         * global.c: Fix comment typos.
1628 2006-01-25  Andrew Pinski  <pinskia@physics.uc.edu>
1630         PR target/25758
1631         * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
1632         Use output_addr_const instead of assemble_name.
1634 2006-01-25  Paolo Bonzini  <bonzini@gnu.org>
1636         * Makefile.in (sched-vis.o): Update dependencies.
1637         * haifa-sched.c (sched_finish): Clear current_sched_info.
1638         * cfg.c (dump_bb_info): New, split from dump_flow_info.
1639         (dump_flow_info): Call it.
1640         * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
1641         a slim RTL dump.
1642         * basic-block.h (dump_bb_info): Declare.
1643         * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
1644         option, and apply options only for dump files whose TDF_RTL,
1645         TDF_TREE, or TDF_IPA bits match.
1646         * rtl.h: Declare new functions exported from sched-vis.c.
1647         * sched-vis.c: Enable also if scheduling is not used.
1648         (print_value): Print the mode of registers if not inside scheduling.
1649         (print_insn): Make it work outside the scheduler.  Beautify the output
1650         a bit.
1651         (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
1653 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
1655         * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
1656         * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
1657         a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
1658         depending on the value of CONSTANT_POOL_ADDRESS_P.
1659         * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
1660         SYMBOL_REF_DECL.
1661         * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
1662         rather than SYMBOL_REF_DECL.
1663         (rtx_constant_pool): Remove const_rtx_sym_htab.
1664         (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
1665         (init_varasm_status): Don't initialize const_rtx_sym_htab.
1666         (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
1667         Remove handling of const_rtx_sym_htab.
1668         (find_pool_constant): Delete.
1669         (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
1670         rather than find_pool_constant.
1671         (get_pool_constant_for_function): Delete.
1672         (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
1673         find_pool_constant.
1674         * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
1675         (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
1676         (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
1677         (SYMBOL_REF_CONSTANT): New macro.
1678         (get_pool_constant_for_function): Delete.
1679         * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
1680         rather than SYMBOL_REF_DECL.
1681         (i386_pe_mark_dllimport): Likewise.
1682         * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
1683         rather than SYMBOL_REF_DECL.
1684         * config/darwin.c (machopic_indirect_data_reference): Likewise.
1685         (machopic_indirect_call_target): Likewise.
1687 2006-01-25  Eric Botcazou  <ebotcazou@adacore.com>
1689         * flow.c (delete_noop_moves): Add missing EOL to dump message.
1691 2006-01-25  Richard Sandiford  <richard@codesourcery.com>
1693         * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
1695 2006-01-25  Kaz Kojima  <kkojima@gcc.gnu.org>
1697         * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
1699 2006-01-24  David Daney  <ddaney@avtrex.com>
1701         PR java/25816
1702         * configure.ac (enable_tls): New enable option.
1703         (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
1704         * configure: Regenerate.
1705         * doc/install.texi (--enable-tls): Document new option.
1706         (--disable-tls): Ditto.
1708 2006-01-24  Richard Henderson  <rth@redehat.com>
1710         * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
1711         * alias.c (true_dependence): Respect it.
1712         (canon_true_dependence, write_dependence_p): Likewise.
1713         * builtins.c (get_builtin_sync_mem): Set it.
1715 2006-01-25  Zdenek Dvorak <dvorakz@suse.cz>
1717         * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
1718         efficient way.
1720 2006-01-24  DJ Delorie  <dj@redhat.com>
1722         * expmed.c (store_bit_field): Don't arbitrarily deny using insv
1723         for storing constants in single-bit bitfields.
1725 2006-01-25  Ben Elliston  <bje@au.ibm.com>
1727         * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
1729 2006-01-24  Andrew Pinski  <pinskia@physics.uc.edu>
1731         PR tree-opt/25860
1732         * tree-ssa-pre.c (phi_translate): Return NULL
1733         for AGGREGATE_TYPE's.
1735 2006-01-24  Zack Weinberg  <zackw@panix.com>
1737         * genautomata.c (process_state_for_insn_equiv_partition):
1738         Use xcalloc for insn_arcs_array.
1739         * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
1740         (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
1742 2006-01-24  Richard Henderson  <rth@redhat.com>
1744         * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
1745         update all callers.
1747 2006-01-23  Paolo Bonzini  <bonzini@gnu.org>
1749         PR rtl-optimization/25890
1750         PR rtl-optimization/25905
1751         * combine.c (expand_compound_operation, expand_field_assignment):
1752         Fail if the bitfield's final position is out of bounds.
1754 2006-01-24  Ian Lance Taylor  <ian@airs.com>
1756         PR middle-end/25930
1757         * cgraphunit.c (cgraph_output_in_order): Don't clear
1758         cgraph_asm_nodes until after asm strings have been output.
1760 2006-01-23  Adam Nemet  <anemet@caviumnetworks.com>
1762         * fix-header.c (read_scan_file): Add new parameter imultilib when
1763         calling register_include_chains.
1765 2006-01-23  Diego Novillo  <dnovillo@redhat.com>
1767         * omp-low.c: Update documentation.
1769 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
1770             Daniel Berlin  <dberlin@dberlin.org>
1772         PR tree-opt/25315
1773         PR tree-opt/25857
1774         * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
1775         return from the function.
1777 2006-01-22  Zack Weinberg  <zackw@panix.com>
1779         * rtl.def (match_code): Add second argument.
1780         * genpreds.c (write_extract_subexp): New function.
1781         (write_match_code): Add path argument.  Use write_extract_subexp.
1782         (write_predicate_expr): Pass path to write_match_code.
1783         (mark_mode_tests): MATCH_CODE applied to a subexpression does
1784         not perform a mode test.
1785         * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
1786         a subexpression does not constrain the top-level code set.
1787         * read-rtl.c (read_rtx_variadic): New function.
1788         (read_rtx_1): Use it; allow AND and IOR to be variadic.
1789         * doc/md.texi: Document new notation.
1790         * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
1791         (cmpsi_operand): ... here, using new notation.
1793 2006-01-22  Zack Weinberg  <zackw@panix.com>
1795         * varray.c: Remove GENERATOR_FILE #ifdefs.
1797 2006-01-22  Zack Weinberg  <zackw@panix.com>
1799         * genautomata.c (output_reserved_units_table): Emit nothing if
1800         description->query_units_num is zero.  Remove extra blank line.
1801         (output_cpu_unit_reservation_p): Short circuit
1802         if description->query_units_num is zero.
1804 2006-01-22  Zack Weinberg  <zackw@panix.com>
1806         * genattrtab.c: Don't include genattrtab.h.  Define ATTR_NONE
1807         and ATTR_SPECIAL (from genattrtab.h).  Don't define num_dfa_decls
1808         nor any of the random handful of variables that used to be necessary
1809         when this program was linked with rtlanal.o.  Prune set of forward
1810         function declarations.
1811         (struct attr_desc): Remove static_p field.
1812         (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
1813         (check_attr_test, make_internal_attr, make_numeric_value): Make static.
1814         (attr_string): Do not read the character one past the length of
1815         the string.
1816         (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
1817         (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
1818         (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
1819         (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
1820         (make_automaton_attrs): New.
1821         (main): Do not call into genautomata.  Call local gen_bypass
1822         and gen_insn_reserv as appropriate.  Call make_automaton_attrs.
1823         Remove special case for insn_alts.
1824         * genautomata.c: Include gensupport.h; not genattrtab.h nor
1825         varray.h (leftover from previous change).  Prune set of forward
1826         function declarations.  Remove state_alts fields from all
1827         structures.  Remove state_alts_table from struct automaton.
1828         Make everything except main static.  Do not maintain num_dfa_decls.
1829         Do not maintain state_alts fields of various structures.
1830         (process_decls): Don't validate condexp for dm_insn_reserv decls.
1831         (add_arc): Remove state_alts argument.  All callers updated.
1832         (output_reserved_units_table): Emit #ifdef here...
1833         (output_tables): ...not here.  Don't generate state_alts tables.
1834         (expand_automata): Don't generate attributes.
1835         (write_automata): Don't generate state_alts functions.
1836         (main): New function.
1837         (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
1838         (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
1839         (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
1840         (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
1841         (BYPASS_P_FUNC_NAME, output_state_alts_table)
1842         (output_automata_list_state_alts_code, output_internal_state_alts_func)
1843         (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
1844         (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
1845         Delete.
1846         * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
1847         * genattrtab.h: Delete file.
1848         * Makefile.in (OBJS-common): Add insn-automata.o.
1849         (insn-automata.o): New rule.
1850         (simple_generated_c): Add insn-automata.c.
1851         (build/genattrtab.o, build/genautomata.o): Update dependencies.
1852         (genprogmd): Add automata.
1853         (build/genattrtab): Needs no extra objects nor libraries.
1854         (build/genautomata): Needs build/vec.o and -lm.
1856 2006-01-22  Zack Weinberg  <zackw@panix.com>
1858         * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
1859         (output_dfa_max_issue_rate, locked_states_num): Delete.
1860         (struct automaton): Add locked_states field.
1861         (output_dead_lock_vect): Save number of locked states in
1862         automaton->locked_states.  If it is zero, don't print anything.
1863         (output_max_insn_queue_index_def): Define max_insn_queue_index const.
1864         (output_internal_dead_lock_func): Only test the dead_lock_vect
1865         for automata that have locked states.
1866         (output_statistics): Always print the number of locked states for
1867         each automaton.  Calculate total number of locked states here.
1868         (write_automata): Don't call output_dfa_max_issue_rate.
1869         * genattrtab.c: Define length_unit_log as a const variable.
1870         * genattr.c: Don't emit MAX_DFA_ISSUE_RATE.  Declare
1871         max_insn_queue_index const.
1872         * final.c (length_unit_log): Declare const.
1873         * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
1875 2006-01-22  Zack Weinberg  <zackw@panix.com>
1877         * genautomata.c:  Include vec.h, not varray.h.
1878         Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
1879         VLA_HWINT_ macros.  Change vla_hwint_t to a typedef for
1880         VEC(vect_el_t,heap) *.  Convert all uses of VLA_* macros to
1881         VEC_* macros operating on appropriately typed vectors, or to
1882         malloced arrays when the size is known in advance.  Const-ify
1883         many char* variables and function arguments.  No functional changes.
1884         * Makefile.in (build/varray.o): Delete rule.
1885         (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
1886         (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
1888 2006-01-22  Zack Weinberg  <zackw@panix.com>
1890         * gensupport.c: Define get_insn_name and record_insn_name here.
1891         (read_md_rtx): Call record_insn_name as appropriate.
1892         * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
1893         * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
1894         * genpreds.c, genrecog.c: Don't define get_insn_name nor
1895         record_insn_name.
1896         * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
1897         (BUILD_VARRAY): Delete.
1898         (genprognormal): Rename genprogmd.  Fold in all programs from
1899         genprognoprint; also attrtab.
1900         (build/genattrtab): Just mention genautomata.o and varray.o.
1901         Reorganize a bit, add comments to make the categories clearer.
1903 2006-01-22  Zack Weinberg  <zackw@panix.com>
1905         * genconditions.c (condition_table, add_condition): Delete.
1906         (write_conditions): Don't emit n_insn_conditions nor
1907         insn_elision_unavailable.  Issue the gcc version #ifdef here,
1908         inside the table, with no #else clause ...
1909         (write_header): ...not here.
1910         (write_writer): New function.
1911         (main): Don't initialize condition_table.  Use add_c_test.
1912         Call write_writer.
1913         * gensupport.c (init_md_reader_args_cb): Handle multiple input
1914         files on the command line.
1915         (maybe_eval_c_test): Don't check insn_elision_unavailable.
1916         Return -1 if there is no entry in the table, don't abort.
1917         (add_c_test, traverse_c_tests): New functions.
1918         * gensupport.h (insn_elision_unavailable, insn_conditions)
1919         (n_insn_conditions): Delete declarations.
1920         (add_c_test, traverse_c_tests): Declare.
1921         * read-rtl.c: Include gensupport.h.
1922         (read_conditions): New function.
1923         (read_rtx): If read_rtx_1 returns 0, treat as EOF.
1924         (read_rtx_1): If we get EOF when we were looking for an initial
1925         open paren, return 0.  Call read_conditions when appropriate.
1926         * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
1927         dummy-conditions.o.  Eliminate references to insn-conditions.o,
1928         or change them to build/gencondmd.o, as appropriate.  Remove
1929         insn-constants.h from $(simple_generated_h) and insn-conditions.c
1930         from $(simple_generated_c).  For all files remaining in those
1931         two lists, add insn-conditions.md to the generator command line.
1932         Give insn-constants.h/s-constants their own rules.  Add rules
1933         for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
1934         (build/read-rtl.o): Depend on gensupport.h.
1935         (genprognormal): Include preds.
1936         (genprogearly): Rename genprognoprint; only difference is now that
1937         they don't link with $(BUILD_PRINT).
1938         * dummy-conditions.c: Delete.
1940 2006-01-22  Zack Weinberg  <zackw@panix.com>
1942         * genextract.c: Don't include insn-config.h.  Do include vec.h.
1943         Declare vectors of int, char, and locstr.
1944         (locstr): New typedef.
1945         (struct extraction): Make all array fields into bare pointers.
1946         (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
1947         (insn_code_number): Delete.
1948         (accum_extract): New struct.
1949         (VEC_safe_set_locstr, VEC_char_to_string): New functions.
1950         (gen_insn): Take insn_code_number as an argument.  Use an
1951         accum_extract structure instead of loading data directly into
1952         a struct extraction, and having to know how big it might get.
1953         (walk_rtx): Operate entirely on an accum_extract structure.
1954         (print_path): Avoid unnecessary use of printf.
1955         (print_header): New function, split out of main.  Distinguish
1956         more carefully between an unrecognizable insn and an insn that
1957         has the code number of a define_expand.
1958         (main): Pass insn_code_number to gen_insn.  Call print_header
1959         only after parsing.  Avoid unnecessary use of printf.
1960         * Makefile.in (build/vec.o): New rule.
1961         (build/genextract): Depend on build/vec.o.
1962         (build/genextract.o): Don't depend on insn-config.h.
1964 2006-01-22  Zack Weinberg  <zackw@panix.com>
1966         * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
1967         $(RUN_GEN).  Use pattern rules to factor out as much boilerplate as
1968         practical.  Eliminate per-generator-program link rules.
1970 2006-01-23  Andrew Pinski  <pinskia@physics.uc.edu>
1972         PR middle-end/24437
1973         * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
1974         with a call expr to ...
1975         * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
1977 2006-01-23  Richard Guenther  <rguenther@suse.de>
1979         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
1980         before make_edge with conditional EDGE_TRUE_VALUE.
1982 2006-01-23  Steven Bosscher  <stevenb.gcc@gmail.com>
1983         Jan Hubicka  <jh@suse.cz>
1984         Richard Guenther  <rguenther@suse.de>
1986         PR rtl-optimization/25654
1987         * cfgexpand.c (aggregate_contains_union_type): New function.
1988         (add_alias_set_conflicts): Call it.  Make sure to add conflicts
1989         for structure variables that contain a union type.
1991 2006-01-23  Richard Sandiford  <richard@codesourcery.com>
1993         * gengtype.c (new_structure): Return the structure.
1994         (create_option): Add an extra "next" argument.
1995         (create_field): New function.
1996         (adjust_field_rtx_def): Use create_option and create_field.
1997         Remove a now-unnecessary call to find_structure.
1998         (adjust_field_tree_def): Likewise.
1999         (note_yacc_type): Remove an unnecessary call to find_structure.
2000         * gengtype.h (new_structure): Return the structure.
2001         (create_option): Add an extra argument.
2002         * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
2003         (option): Adjust calls to create_option.
2005 2006-01-22  David Edelsohn  <edelsohn@gnu.org>
2007         * config/rs6000/aix.h (STACK_BOUNDARY): Define.
2009 2006-01-22  Paul Brook  <paul@codesourcery.com>
2010         Peter Barada  <peter@the-baradas.com>
2012         * config/m68k/m68k.md: Add Coldfire FPU support.
2013         Define FP mode macro and associated attributes.
2014         Use it for float mode patterns.
2015         * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
2016         (LIBCALL_VALUE): Use m68k_libcall_value.
2017         * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
2018         (m68k_function_value): Ditto.
2019         (emit_move_sequence): Ditto.
2020         * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
2021         * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
2022         * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
2023         (MULTILIB_EXCEPTIONS): Ditto.
2024         * config/m68k/m68k.opt: Add mcfv4e.
2025         * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
2026         (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
2027         (m68k_output_function_prologue): Save ColdFire FPU registers.
2028         (m68k_output_function_epilogue): Restore ColdFire FPU registers.
2029         (force_mode, fp_reg_operand, emit_move_sequence): New functions.
2030         (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
2031         ColdFire FPU registers.
2032         (m68k_libcall_value, m68k_function_value): New functions.
2033         * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
2034         (LIBCALL_VALUE): Use m68k_libcall_value.
2035         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
2036         (MASK_COLDFIRE): Add MASK_CFV4E.
2037         (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
2038         (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
2039         (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
2040         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
2041         (GO_IF_LEGITIMATE_ADDRESS): Use it.
2042         (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
2043         * doc/invoke.tex: Document -mcfv4e on m68k.
2045 2006-01-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
2047         * doc/contribute.texi: Change CVS to SVN and update the corresponding
2048         URL.
2050 2006-01-21  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2052         PR c++/16190
2053         * c-opts.c (c_common_handle_option): Don't include
2054         -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
2055         * doc/invoke.texi (C++ Dialect Options): Document that
2056         -Wnon-virtual-dtor is no longer included in -Wall.
2058 2006-01-21  Joseph S. Myers  <joseph@codesourcery.com>
2060         * gcov.c (print_version), gcov-dump.c (print_version),
2061         mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
2062         dates.
2064 2006-01-21  Kenneth Zadeck <zadeck@naturalbridge.com>
2066         * df-scan.c (problem_SCAN): Added NULL reset function.
2067         (df_scan_reset_blocks): Added code to call reset block function
2068         (df_bb_refs_delete) Fixed comment.
2069         (df_insn_refs_delete): Made tolerant of deleting non existent info
2070         for dataflow problems that need to be reset.
2071         * df-core.c (df_set_blocks): Ditto.
2072         * df.h (struct df_problem): Added reset_fun.
2073         * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
2074         problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
2075         (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
2076         functions to clear out all references to def-use or use-def chains.
2078 2006-01-21  Ben Elliston  <bje@au.ibm.com>
2080         * varasm.c (assemble_real): Initialise data array.
2082 2006-01-20  Paul Brook  <paul@codesourcery.com>
2084         Merge from csl-arm-branch.
2085         2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
2086         * config/arm/arm.md (movdi): Force operands[1] to a register
2087         if we have a non-register source.
2088         (*arm_movdi, *movdf_soft_insn): Require that one of the
2089         operands be a register.
2090         * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
2091         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2093 2006-01-20  DJ Delorie  <dj@redhat.com>
2095         * varasm.c (initialize_constant_valid_p): Allow pointers
2096         initialized from integer constants of lesser precision.
2097         (output_constant): Allow non-int-sized pointer modes to be
2098         initialized from integer constants.
2100 2006-01-20  Joseph S. Myers  <joseph@codesourcery.com>
2102         PR libstdc++/25524
2103         * cppdefault.h (struct default_include): Add multilib flag.
2104         * cppdefault.c (cpp_include_defaults): Set it.
2105         * c.opt (-imultilib): New option.
2106         * c-opts.c (imultilib): New.
2107         (c_common_handle_option): Handle -imultilib.
2108         (c_common_post_options): Likewise.
2109         * c-incpath.c (add_standard_paths, register_include_chains):
2110         Likewise.
2111         * c-incpath.h (register_include_chains): Add extra parameter.
2112         * gcc.c (do_spec_1): Generate -imultilib option.
2113         (The Specs Language): Update %I description.
2114         (process_command): Update copyright notice.
2115         * doc/cppopts.texi (-imultilib): Document.
2116         * doc/invoke.texi (-imultilib): Include in option summary.
2117         (%I): Update specs documentation.
2119 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
2121         * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
2123 2006-01-20  Richard Sandiford  <richard@codesourcery.com>
2125         * stmt.c (case_bit_test_cmp): Stabilize the sort using code
2126         label numbers.
2128 2006-01-20  Richard Guenther  <rguenther@suse.de>
2129         Steven Bosscher <stevenb.gcc@gmail.com>
2131         PR rtl-optimization/24626
2132         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
2133         EDGE_TRUE_VALUE if in RTL mode.
2135         Revert
2136         2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
2137         * cfgrtl.c (rtl_verify_flow_info_1): Fix.
2139 2006-01-20  Dirk Mueller  <dmueller@suse.com>
2141         PR c++/5520
2142         * c-parser.c (c_parser_if_body): Use build_empty_stmt()
2143         instead of a special NOP marker.
2144         * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
2145         NOP marker handling.
2146         * c-common.h (empty_body_warning): Add forward declaration.
2147         * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
2148         Now uses IS_EMPTY_STMT() instead of special NOP markers.
2150 2006-01-20  Paul Brook  <paul@codesourcery.com>
2152         * Makefile.in (lang_checks): Keep going if mkdir fails.
2154 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
2156         * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
2157         be able to clean out basic block when not necessary.
2158         (df_scan_free): Fixed to properly delete information if df is
2159         unused before calling df_finish.
2160         (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
2161         df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
2162         or comment typos.
2163         (df_bb_refs_delete): New function.
2164         (df_refs_delete): Moved per block code to df_bb_refs_delete.
2165         * df-core.c (df_set_blocks): Added code to properly clean out
2166         unused blocks if they are not part of the blocks to consider.
2167         Added additional null check.
2168         (df_compact_blocks): Added basic block parameter to free_bb_fun to
2169         be able to clean out basic block when not necessary
2170         * df.h (df_free_bb_function): Ditto.
2171         (df_bb_refs_delete): New function.
2172         * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
2173         df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
2174         basic block parameter to be able to clean out basic block when not
2175         necessary.
2176         (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
2177         (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
2178         Fixed to properly delete information if df is unused before
2179         calling df_finish.
2181 2006-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
2183         PR rtl-optimization/25799
2184         * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
2185         Corrected confluence operator to remove bits from op2 before oring
2186         with op1 rather than removing bits from op1.
2187         (df_ru_transfer_function): Corrected test on wrong bitmap which
2188         caused infinite loop.  Both of these problems were introduced in
2189         the dataflow rewrite.
2191 2006-01-19  DJ Delorie  <dj@redhat.com>
2193         * reload1.c (find_reload_regs): Note the details of reload
2194         failures in the dump file.
2195         (spill_failure): Likewise.
2197 2006-01-20  Zdenek Dvorak <dvorakz@suse.cz>
2199         * loop-iv.c: Include df.h and hashtab.h.
2200         (enum iv_grd_result): New enum.
2201         (DF_REF_IV, DF_REF_IV_SET): New macros.
2202         (struct biv_entry): New.
2203         (df, bivs): New global variables.
2204         (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
2205         assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
2206         Removed.
2207         (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
2208         iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
2209         analyzed_for_bivness_p, record_biv): New functions.
2210         (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
2211         get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
2212         iv_analyze, biv_p, iv_analysis_done): Work with df representation of
2213         UD chains.
2214         (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
2215         analysed.
2216         (iv_number_of_iterations): Use new interface to iv analysis.
2217         * loop-unroll.c: Do not include varray.h.
2218         (analyze_iv_to_split_insn): Use new interface to iv
2219         analysis.
2220         * loop-unswitch.c (may_unswitch_on): Ditto.
2221         * df.c (df_bitmaps_free): Only work for bbs for that structures are
2222         allocated.
2223         (df_bb_modify): Realloc tables to the new index.
2224         (df_find_use): New function.
2225         * df.h (df_find_use): Declare.
2226         * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
2227         outmode.
2228         * cfgloop.h (struct rtx_iv): Remove analysed field.
2229         (iv_get_reaching_def): Removed.
2230         (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
2231         * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
2232         (loop-iv.o): Add df.h and hashtab.h dependency.
2233         * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
2235 2006-01-20  Alan Modra  <amodra@bigpond.net.au>
2237         PR target/25668
2238         * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
2239         Double TFmode.
2240         (__floatundisf, __floatundidf): Likewise.
2241         * libgcc2.h (IS_IBM_EXTENDED): Define.
2243 2006-01-19  DJ Delorie  <dj@redhat.com>
2245         * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
2247 2006-01-19  Paul Brook  <paul@codesourcery.com>
2249         * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
2250         as nothrow when unwinding tables are disabled.
2252 2006-01-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2254         PR testsuite/25171
2255         * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
2256         of bit-field" when in system header.
2258 2006-01-19  DJ Delorie  <dj@redhat.com>
2260         * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
2261         the 16 bit shift limit of the m16c.
2263 2006-01-19  Andrew Pinski  <pinskia@physics.uc.edu>
2265         PR target/22099
2266         * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
2267         * config/i386/i386.c (output_set_got): Output the label if we have one
2268         for the TARGET_DEEP_BRANCH_PREDICTION case.
2270 2006-01-19  Jan Hubicka  <jh@suse.cz>
2271             H.J. Lu  <hongjiu.lu@intel.com>
2272             Evandro Menezes <evandro.menezes@amd.com>
2274         * invoke.texi (generic): Document
2275         (i686) Update.
2276         * config.gcc: Make x86_64-* and i686-* default to generic tunning.
2277         * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
2278         TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
2279         (x86_use_incdec, x86_pad_returns): New variables
2280         (TARGET_CPU_DEFAULT_generic): New constant
2281         (TARGET_CPU_DEFAULT_NAMES): Add generic.
2282         (enum processor_type): Add generic32 and generic64.
2283         * i386.md (cpu attribute): Add generic32/generic64
2284         (movhi splitter): Behave sanely when both partial_reg_dependency and
2285         partial_reg_stall are set.
2286         (K8 splitters): Enable for generic as well.
2287         * predicates.md (incdec_operand): Use TARGET_INCDEC
2288         (aligned_operand): Avoid memory mismatch stalls.
2289         * athlon.md: Enable for generic64, new patterns for 128bit moves.
2290         * ppro.md: Enable for generic32
2291         * i386.c (generic64_cost, generic32_cost): New.
2292         (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
2293         (x86_use_leave): Enable for generic64.  (x86_use_sahf,
2294         x86_ext_80387_constants): Enable for generic32.  (x86_push_memory,
2295         x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
2296         x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
2297         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
2298         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2299         x86_accumulate_outgoing_args, x86_prologue_using_move,
2300         x86_epilogue_using_move, x86_arch_always_fancy_math_387,
2301         x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
2302         Enable for generic.
2303         (x86_use_incdec, x86_pad_returns): New.
2304         (override_options): Add generic32 and generic64, translate "generic"
2305         to generic32/generic64 and "i686" to "generic32", refuse
2306         "generic32"/"generic64" as arch target.
2307         (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
2308         (ix86_reorg): Honor PAD_RETURNS.
2310 2006-01-19  Diego Novillo  <dnovillo@redhat.com>
2312         * tree-pretty-print.c (dump_generic_node): Handle
2313         OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
2314         * cgraph.c (cgraph_expand_queue): Rename from
2315         cgraph_analyze_queue.  Update all users.
2316         * cgraphunit.c (cgraph_assemble_pending_functions): Process
2317         cgraph_expand_queue.
2318         (cgraph_expand_all_functions): Likewise.
2319         (cgraph_finalize_pending_functions): Remove.  Update callers.
2321         * tree.h (OMP_DIRECTIVE_P): Define.
2322         (OMP_PARALLEL_FN): Define.
2323         (OMP_PARALLEL_DATA_ARG): Define.
2324         (OMP_SECTIONS_SECTIONS): Define.
2325         * tree-pass.h (pass_expand_omp): Declare.
2326         * omp-low.c (struct omp_region): Declare.
2327         (struct omp_context): Remove fields 'parallel_type',
2328         'parallel_start_ix' and 'parallel_start_additional_args'.
2329         Update all users.
2330         (struct omp_for_data): Rename from struct expand_omp_for_data.
2331         (omp_regions): New static variable.
2332         (root_omp_region): New static variable.
2333         (find_omp_clause): Make static.
2334         (is_in_combined_parallel_ctx): Remove.
2335         (is_combined_parallel): New.
2336         (extract_omp_for_data): Move earlier in the file.
2337         (workshare_safe_to_combine_p): New.
2338         (get_ws_args_for): New.
2339         (determine_parallel_type): Move earlier in the file.
2340         (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
2341         child function.
2342         (omp_copy_decl): Likewise.
2343         (create_omp_child_function): Likewise.
2344         (lookup_omp_region): New.
2345         (dump_omp_region): New.
2346         (debug_omp_region): New.
2347         (debug_all_omp_regions): New.
2348         (new_omp_region): New.
2349         (scan_omp_parallel): If parallel_nesting_level > 1, the
2350         directive is nested within another parallel directive.
2351         Set OMP_PARALLEL_FN.
2352         (scan_omp_for): Do not try to handle combined parallel+for
2353         cases.
2354         Remove FIXME comment.
2355         (scan_omp_nested): Remove.
2356         (scan_omp_1): Do not call scan_omp_nested when
2357         parallel_nesting_level is > 1.
2358         Do not change the DECL_CONTEXT of local variables found.
2359         (lookup_decl_in_outer_ctx): New.
2360         (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
2361         (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
2362         (lower_reduction_clauses): Rename from expand_reduction_clauses.
2363         (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
2364         If CTX is nested, lookup VAR in the outer context when
2365         building copy assignment.
2366         (lower_send_clauses): Rename from expand_send_clauses.
2367         If CTX is nested, lookup VAR in the outer context when
2368         building copy assignments.
2369         (lower_send_shared_vars): Rename from expand_send_shared_vars.
2370         If CTX is nested, lookup VAR in the outer context when
2371         building copy assignments.
2372         (expand_parallel_call): Rename from build_parallel_call.
2373         Handle combined parallel+workshare cases.
2374         Re-implement to emit code into the CFG.
2375         (list2chain): New.
2376         (expand_omp_parallel): Re-implement to emit code into the CFG.
2377         Call move_sese_region_to_fn to outline the sub-graph
2378         containing the parallel region.
2379         (expand_omp_for_1): Remove.
2380         (expand_omp_for_generic): Re-implement to emit code into the
2381         CFG.
2382         (expand_omp_for_static_nochunk): Likewise.
2383         (expand_omp_for_static_chunk): Likewise.
2384         (expand_omp_for): Likewise.
2385         (expand_omp_sections): Likewise.
2386         (remove_exit_barriers): New.
2387         (expand_omp_synch): New.
2388         (expand_omp): New.
2389         (build_omp_regions_1): New.
2390         (build_omp_regions): New.
2391         (execute_expand_omp): New.
2392         (gate_expand_omp): New.
2393         (pass_expand_omp): Define.
2394         (lower_omp_sections): Rename from expand_omp_sections.
2395         Set OMP_SECTIONS_SECTIONS.
2396         (lower_omp_single_simple): Rename from expand_omp_single_simple.
2397         (lower_omp_single_copy): Rename from expand_omp_single_copy.
2398         (lower_omp_single): Rename from expand_omp_simple.
2399         (lower_omp_master): Rename from expand_omp_master.
2400         (lower_omp_ordered): Rename from expand_omp_ordered.
2401         (lower_omp_critical): Rename from expand_omp_critical.
2402         (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
2403         (lower_omp_for): Re-implement.
2404         (lower_omp_parallel): Re-implement.
2405         (lower_regimplify): Rename from expand_regimplify.
2406         (lower_omp_1): Rename from expand_omp_1.
2407         If there are syntax errors in the program, replace every
2408         OpenMP directive with NOP.
2409         Call lower_omp_* instead of expand_omp_*.
2410         (lower_omp): Rename from expand_omp.
2412         * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
2413         * tree-gimple.h (enum omp_parallel_type): Remove.
2414         (gimple_boolify): Declare extern.
2415         (find_omp_clause, determine_parallel_type): Remove.
2417         * gimple-low.c (lower_omp_directive): New.
2418         (lower_stmt): Call it.
2419         (record_vars_into): Move from ...
2420         (record_vars): ... here.
2421         Call record_vars_into with current_function_decl.
2423         * gimplify.c (struct gimplify_ctx): Remove fields
2424         combined_pre_p and combined_ctxp.  Update users.
2425         (get_formal_tmp_var): Add documentation.
2426         (gimple_boolify): Make extern.
2427         (gimplify_expr_in_ctx): Remove.  Update callers.
2428         (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
2429         will always be a BIND_EXPR.
2430         (gimplify_expr): Handle OMP_RETURN_EXPR.
2431         * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
2432         (OMP_PARALLEL): Add 3 operands.
2433         (OMP_SECTIONS): Add 1 operand.
2434         (OMP_RETURN_EXPR): Define.
2436         * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
2437         (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
2438         * tree-iterator.c (alloc_stmt_list): Assert that we are not
2439         creating a circular free list.
2440         (free_stmt_list): Assert that we are not freeing stmt_list_cache.
2442         * tree-flow.h (move_sese_region_to_fn): Declare.
2443         (record_vars_into): Declare.
2444         * tree-cfg.c (make_omp_sections_edges): New.
2445         (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
2446         OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
2447         OMP_SECTIONS and OMP_SECTION.
2448         (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
2449         (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
2450         (verify_stmt): Do not handle OMP_DIRECTIVE_P.
2451         (gather_blocks_in_sese_region): New.
2452         (struct move_stmt_d): Declare.
2453         (move_stmt_r): New.
2454         (move_block_to_fn): New.
2455         (move_sese_region_to_fn): New.
2457         * passes.c (init_optimization_passes): Schedule
2458         pass_expand_omp after pass_init_datastructures.
2460         * tree-ssa-operands.c (get_expr_operands): Handle
2461         OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
2462         OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
2464 2006-01-19  Jeff Law  <law@redhat.com>
2466         * tree-vrp.c (extract_range_from_assert): Refine the result range
2467         if the variable referenced by the ASSERT_EXPR has a range and
2468         either the tentative result range or the previous range is a
2469         VR_ANTI_RANGE.
2471 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
2473         * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
2475 2006-01-19  Jan Hubicka  <jh@suse.cz>
2477         * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
2479 2006-01-19  Paolo Bonzini  <bonzini@gnu.org>
2481         * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
2482         (expand_compound_operation, expand_field_assignment): Fail if the
2483         bit lengths of an extract operation are out of range.
2484         (make_extraction): Compute wanted_inner_mode based on the position
2485         and length of the extraction.  Make it extraction_mode for non-constant
2486         positions, and do not modify offset in that case.  When generating a
2487         new MEM, use a mode that can hold the extraction while keeping correct
2488         alignment.  Remove code that supported MEMs wrapped by USEs.
2489         (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
2491 2006-01-19  Andreas Krebbel  <krebbel1@de.ibm.com>
2493         * config/s390/s390.md ("Y", "y"): New mode attribute.
2494         ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
2495         "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
2496         "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
2497         "*addsi3_imm_cc", "*addsi3_carry1_cc",
2498         "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
2499         "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
2500         "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
2501         "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
2502         "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
2503         "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
2504         "addsi3", "subsi3"): Insn patterns removed.
2505         ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
2506         "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
2507         "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
2508         "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
2509         "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
2510         "*sub<mode>3_cconly2"): New insn patterns.
2511         ("addsi3", "subsi3"): New expanders.
2513 2006-01-19  Dorit Nuzman  <dorit@il.ibm.com>
2515         * Makefile.in (tree-vect-patterns.o): Add rule for new file.
2516         * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
2517         existing STMT_VINFO_VECTYPE if available.
2518         (vect_mark_relevant): Add special handling for stmts that are
2519         marked as STMT_VINFO_IN_PATTERN_P.
2520         (vect_analyze_loop): Call vect_pattern_recog.
2521         * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2522         * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
2523         stmt_info.
2524         (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
2525         (vect_recog_func_ptr): New function-pointer type.
2526         * tree-vect-patterns.c: New file.
2527         (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
2528         (vect_recog_dot_prod_pattern, vect_pattern_recog):
2529         (vect_pattern_recog_1): New functions.
2530         (vect_pattern_recog_funcs): New array of function pointers.
2532         * tree-vectorizer.h (ternary_op): New enum value.
2533         * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
2534         declaration. Revised documentation. Removed redundant dump prints.
2535         Removed redundant argument. Added support for reduction patterns.
2536         (vectorizable_reduction): Added support for reduction patterns.
2537         (vect_transform_stmt): Added support for patterns.
2539         * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
2540         * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
2541         * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
2542         (expand_widen_pattern_expr): New function.
2543         (init_optabs): Initialize new optabs udot_prod_optab,
2544         sdot_prod_optab.
2545         * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
2546         (sdot_prod_optab, udot_prod_optab): Define new optabs.
2547         (expand_widen_pattern_expr): New function declaration.
2548         * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
2549         tree-codes.
2550         * tree-inline.c (estimate_num_insns_1): Added cases for new
2551         tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2552         * tree-pretty-print.c (dump_generic_node): Likewise.
2553         (op_prio): Likewise.
2554         (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
2555         * tree-ssa-operands.c (get_expr_operands): Added case for
2556         DOT_PROD_EXPR.
2557         * tree-vect-patterns.c (widened_name_p): New function.
2558         (vect_recog_dot_prod_pattern): Added function implementation.
2559         * tree-vect-transform.c (get_initial_def_for_reduction): Added
2560         cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
2561         * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
2562         * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
2564         * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
2565         * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
2566         * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
2567         (init_optabs): Initialize new optabs widen_ssum_optab,
2568         widen_usum_optab.
2569         * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
2570         (widen_ssum_optab, widen_usum_optab): Define new optabs.
2571         * tree-vect-generic.c: (expand_vector_operations_1): Check type of
2572         use instead of type of def.
2573         * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
2574         function implementation.
2575         * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
2576         widen_ssumv8hi): New.
2578         * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
2579         patterns.
2581 2006-01-19  Richard Sandiford  <richard@codesourcery.com>
2583         PR c/25805
2584         * c-decl.c (add_flexible_array_elts_to_size): New function.
2585         (finish_decl): Use it.
2587 2006-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
2589         * diagnostic.h: Include options.h.
2590         * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
2591         dependancies for diagnostic.h.
2592         * Makefile.in (DIAGNOSTIC_H): Add options.h.
2594 2006-01-16  Daniel Berlin  <dberlin@dberlin.org>
2596         * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
2597         (ssa_ro_call_cache_valid): Ditto.
2598         * tree-ssa-alias.c (sort_tags_by_id): New function.
2599         (init_transitive_clobber_worklist): Ditto.
2600         (add_to_worklist): Ditto.
2601         (mark_aliases_call_clobbered): Ditto.
2602         (compute_tag_properties): Ditto.
2603         (set_initial_properties): Ditto.
2604         (compute_call_clobbered): Ditto.
2605         (compute_may_aliases):  Call compute_call_clobbered and grouping.
2606         (compute_flow_sensitive_aliasing): Remove clobbering related code.
2607         (compute_flow_insensitive_aliasing): Grouping now happens in our
2608         caller.
2609         (setup_pointers_and_addressables): Remove clobbering related code.
2610         (add_may_alias): Ditto.
2611         (replace_may_alias): Ditto.
2612         (get_nmt_for): Ditto.
2613         (create_global_var):
2614         (is_escape_site): Return an escape_type enumeration.
2615         * tree-flow-inline.h (is_call_clobbered):  Global var does not
2616         imply call clobbered.
2617         (mark_call_clobbered): Take a reason for marking this. Remove
2618         marking of globalness, and cache invalidation.
2619         (clear_call_clobbered): Remove cache invalidation code.
2620         * tree-dfa.c (dump_variable): If details is on, dump the reason
2621         for escaping.
2622         * tree-outof-ssa.c (create_temp): Copy escape mask from original
2623         variable.
2624         * tree-flow.h (struct ptr_info_def): Add escape mask member.
2625         (struct var_ann_d): Ditto.
2626         (enum escape_type): New.
2627         (mark_call_clobbered): Adjust prototype.
2628         * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
2629         are never call clobbered.
2630         Record reasons for escaping.
2631         * tree-ssa-structalias.h (is_escape_site): Update prototype.
2632         * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
2633         (ssa_ro_call_cache_valid): Ditto.
2634         (clobbered_v_may_defs): Ditto.
2635         (clobbered_vuses): Ditto.
2636         (ro_call_vuses): Ditto.
2637         (clobber_stats): New.
2638         (init_ssa_operands): Zero out clobber stats.
2639         (fini_ssa_operands): Print out clobber stats.
2640         (get_call_expr_operands): Pass callee fndecl to
2641         add_call_read_ops).
2642         (add_call_clobber_ops): Remove use of cache.
2643         Add use of PURE_CONST information.
2644         (add_call_read_ops): Remove use of cache.
2645         Add use of static not_read information.
2647 2006-01-18  Alexandre Oliva  <aoliva@redhat.com>
2649         Introduce TLS descriptors for i386 and x86_64.
2650         * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
2651         (TARGET_ANY_GNU_TLS): New macro.
2652         (enum tls_dialect): Added TLS_DIALECT_GNU2.
2653         (struct machine_function): Add tls_descriptor_call_expanded_p.
2654         (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
2655         (ix86_current_function_calls_tls_descriptor): Likewise.
2656         * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
2657         (override_options): Introduce gnu2 tls dialect.
2658         (ix86_frame_pointer_required): Functions containing TLSCALLs are
2659         not leaves.
2660         (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
2661         Likewise.
2662         (legitimize_tls_address): Adjust logic for GNU2 TLS.
2663         (ix86_init_machine_status): Initialize new field.
2664         (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
2665         (ix86_tls_module_base): New.
2666         * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
2667         * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
2668         (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
2669         (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
2670         (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
2671         (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
2672         (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
2673         (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
2674         * config/i386/predicates.md (tls_modbase_operand): New.
2675         (tp_or_register_operand): New.
2677 2006-01-18  Daniel Berlin  <dberlin@dberlin.org>
2679         * ipa-reference.c (check_operand):  Allow FUNCTION_DECL.
2680         (look_for_address_of): Ditto.
2681         (ipa_init): Walk the function decls.
2682         (static_execute): Don't set readonly on FUNCTION_DECL's.
2684 2006-01-18  Roger Sayle  <roger@eyesopen.com>
2686         * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
2687         for shifts where the source and destination registers are different.
2689 2006-01-18  Paul Brook  <paul@codesourcery.com>
2691         Merge from csl-arm-branch.
2692         2005-03-14  Julian Brown  <julian@codesourcery.com>
2693         * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
2694         (aeabi_llsl): Likewise.
2695         (ashrdi3): Likewise.
2696         (aeabi_lasr): Likewise.
2697         (lshrdi3): Likewise.
2698         (aeabi_llsr): Likewise.
2699         2005-03-10  Julian Brown  <julian@codesourcery.com>
2700         * config.gcc: Disable shared libgcc for SymbianOS.
2701         * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
2703 2006-01-18  DJ Delorie  <dj@redhat.com>
2705         * c-pragma.c (handle_pragma_diagnostic): New.
2706         (init_pragma): Register it.
2707         * doc/extend.texi: Document it.
2709         * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
2710         * diagnostic.h (diagnostic_classify_diagnostic): Declare.
2711         (diagnostic_context): Add classify_diagnostic[].
2712         * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
2713         as errors if they're overridden to DK_WARNING.
2714         (diagnostic_initialize): Initialize classify_diagnostic[].
2715         (diagnostic_set_kind_override): New.
2716         (diagnostic_report_diagnostic): Check for kind changes.
2717         * opts.c (common_handle_option): Take lang_mask.  Update callers.
2718         Handle OPT_Werror_.
2719         * common.opt (Werror=): New.
2720         * doc/invoke.texi: Document -Werror=*
2722 2006-01-18  Jeff Law  <law@redhat.com>
2724         * tree-vrp.c (test_for_singularity): Correct test for new
2725         min limit.  Use operand_equal_p rather than pointer equality
2726         for testing if new min/max values are equal.
2728         * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
2729         using range information until after propagation and folding.
2731 2006-01-18  Richard Henderson  <rth@redhat.com>
2732             Aldy Hernandez  <aldyh@redhat.com>
2733             Jakub Jelinek  <jakub@redhat.com>
2734             Diego Novillo  <dnovillo@redhat.com>
2736         * omp-low.c: New file.
2737         * c-omp.c: New file.
2739 2006-01-18  Richard Henderson  <rth@redhat.com>
2740             Jakub Jelinek  <jakub@redhat.com>
2741             Diego Novillo  <dnovillo@redhat.com>
2743         * doc/invoke.texi: Document -fopenmp.
2744         * tree-dump.h (debug_function): Declare.
2745         * hooks.c (hook_bool_tree_bool_false): New function.
2746         (hook_tree_tree_null): Remove.
2747         (hook_tree_tree_tree_null): New.
2748         * hooks.h: Update to match.
2749         * tree-pretty-print.c (debug_tree_chain): New.
2750         (print_generic_expr): Handle TDF_CHAIN.
2751         (dump_generic_node): Handle BLOCK.
2752         Do not abort with incomplete SWITCH_EXPRs.
2753         Do not dump body of an OpenMP directive if TDF_SLIM is given.
2754         <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
2755         print space after directive name.
2756         <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
2757         Handle OMP_MASTER and OMP_ORDERED.
2758         Handle printing of OMP_BODY just in one place, goto
2759         dump_omp_body in the rest of OMP_* nodes that have
2760         OMP_BODY.
2761         Don't handle clause nodes here.  Update omp statements to
2762         use dump_omp_clauses.
2763         Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
2764         OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
2765         OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
2766         GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
2767         GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
2768         GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
2769         Adjust output for GOMP_PARALLEL.
2770         (dump_omp_clauses): New.
2771         (print_declaration): Dump DECL_VALUE_EXPR.
2772         (op_symbol_1): Split out of op_symbol.
2773         (dumping_stmts): Remove.  Update all users.
2774         * cgraph.c (cgraph_analyze_queue): New.
2775         (cgraph_add_new_function): New.
2776         * cgraph.h (cgraph_analyze_queue): Declare.
2777         (cgraph_add_new_function): Declare.
2778         (cgraph_lower_function): Remove.
2779         * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
2780         nodes.  Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
2781         and TYPE_P nodes in its default clause.
2782         (empty_body_p): New.
2783         (tree_range_check_failed): New.
2784         (build5_stat): New.
2785         * tree.h (OMP_CLAUSE_REDUCTION_INIT,
2786         OMP_CLAUSE_REDUCTION_MERGE,
2787         OMP_CLAUSE_REDUCTION_PLACEHOLDER,
2788         OMP_CLAUSE_PRIVATE_DEBUG,
2789         OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
2790         OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
2791         OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
2792         OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
2793         OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
2794         OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
2795         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
2796         OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
2797         OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
2798         OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
2799         OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
2800         OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
2801         OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
2802         OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
2803         (TREE_RANGE_CHECK): New.
2804         (empty_body_p): Declare.
2805         (enum omp_clause_default_kind): New.
2806         (build_string_literal): Declare.
2807         (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
2808         (build5_stat, build5): Declare.
2809         * tree-pass.h (TDF_CHAIN): Define.
2810         * tree-pass.h (PROP_gimple_lomp): Define.
2811         (pass_lower_omp): Declare.
2812         * diagnostic.h (debug_tree_chain): Declare.
2813         * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
2814         mode_for_size.
2815         (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
2816         * builtins.c (build_string_literal): Make extern.
2817         * gcc.c (include_spec_function): New.
2818         (static_spec_functions): Add it.
2819         (main): Move load of libgomp.spec ...
2820         (LINK_COMMAND_SPEC): ... here.
2821         (link_gomp_spec): New.
2822         (static_specs): Include it.
2823         (LINK_COMMAND_SPEC): Add link_gomp.
2824         (GOMP_SELF_SPECS): New.
2825         (driver_self_specs): Include it.
2826         (switch_matches): Don't mark inline.
2827         (main): Load libgomp.spec.
2828         * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
2829         OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
2830         and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
2831         * tree-gimple.h (enum omp_parallel): Declare.
2832         (determine_parallel_type): Declare.
2833         (omp_firstprivatize_variable): Declare.
2834         (omp_reduction_init): Declare.
2835         (diagnose_omp_structured_block_errors): Declare.
2836         (struct walk_stmt_info): Add want_return_expr.
2837         (struct walk_stmt_info): Add want_bind_expr, want_locations.
2838         (find_omp_clause): Declare.
2839         (insert_field_into_struct): Declare.
2840         (struct walk_stmt_info): Move from tree-nested.c
2841         (walk_stmts): Declare.
2842         * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
2843         to 200505.
2844         * cgraphunit.c (cgraph_lower_function): Make static.
2845         (cgraph_finalize_pending_functions): New.
2846         (cgraph_finalize_function): Call it.
2847         (cgraph_finalize_compilation_unit): Likewise.
2848         * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
2849         BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
2850         (BT_FN_UINT_UINT): New.
2851         (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
2852         DEF_FUNCTION_TYPE_VAR_4): Document.
2853         (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
2854         BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
2855         BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
2856         BT_FN_VOID_OMPFN_PTR_UINT_UINT,
2857         BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
2858         BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
2859         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
2860         BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
2861         * builtins.def: Update DEF_BUILTIN comment to include COND argument.
2862         Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
2863         into separate files.
2864         (DEF_GOMP_BUILTIN): New.
2865         (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
2866         BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
2867         BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
2868         BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
2869         BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
2870         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
2871         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
2872         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
2873         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
2874         BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
2875         BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
2876         BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
2877         BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
2878         BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
2879         BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
2880         BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
2881         BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
2882         BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
2883         BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
2884         BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
2885         BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
2886         BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
2887         BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
2888         BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
2889         BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
2890         BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
2891         * sync-builtins.def: New file, moved from builtins.def.
2892         * omp-builtins.def: New file, moved from builtins.def.
2893         * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
2894         * gimple-low.c (lower_function_body): Clear data.
2895         (lower_stmt): Do not handle COMPOUND_EXPR.
2896         Remove call to print_node_brief.
2897         * c-tree.h (c_finish_omp_clauses): New prototype.
2898         (C_DECL_THREADPRIVATE_P): Define.
2899         (lookup_name_no_remap, c_omp_remap_private): Remove
2900         (c_begin_omp_parallel, c_finish_omp_parallel): Update.
2901         (check_for_loop_decls): Update decl.
2902         (lookup_name_no_remap, c_omp_remap_private): Declare.
2903         (build_indirect_ref, build_modify_expr, pushdecl,
2904         pushdecl_top_level): Move to c-common.h.
2905         * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
2906         before the switch, but just in the 2 places that need it.
2907         * c-decl.c (diagnose_mismatched_decls): Do not check for
2908         mismatched thread-local attributes when OLDDECL is marked
2909         threadprivate and NEWDECL has no thread-local attributes.
2910         (merge_decls): Merge C_DECL_THREADPRIVATE_P.
2911         (c_gimple_diagnostics_recursively): Rename from
2912         c_warn_unused_result_recursively.  Invoke
2913         diagnose_omp_structured_block_errors.
2914         (check_for_loop_decls): Return a singular decl found.
2915         * langhooks.c (lhd_omp_predetermined_sharing): Return
2916         OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
2917         (lhd_omp_firstprivatize_type_sizes): New.
2918         (lhd_omp_assignment): New.
2919         (lhd_omp_predetermined_sharing): New.
2920         * langhooks.h (struct gimplify_omp_ctx): Forward declare.
2921         (struct lang_hooks_for_types): Add
2922         omp_firstprivatize_type_sizes, omp_privatize_by_reference,
2923         omp_predetermined_sharing, omp_disregard_value_expr,
2924         omp_private_debug_clause, omp_clause_default_ctor,
2925         omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
2926         (c_finish_omp_clauses): New.
2927         (c_finish_bc_stmt): Diagnose break within omp for.
2928         (c_begin_omp_parallel, c_finish_omp_parallel): New.
2929         (build_unary_op): Return error_mark after reporting
2930         a readonly_error.
2931         (build_modify_expr): Likewise.
2932         * gimplify.c: Include optabs.h and pointer-set.h.
2933         (enum gimplify_omp_var_data): Declare.
2934         (struct gimplify_omp_ctx): Declare.
2935         (struct gimplify_ctx): Add fields prev_context, combined_pre_p
2936         and combined_ctxp.
2937         (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
2938         (push_gimplify_context, pop_gimplify_context): Allow nesting.
2939         (splay_tree_compare_decl_uid): New.
2940         (new_omp_context): New.
2941         (delete_omp_context): New.
2942         (gimple_add_tmp_var): Call omp_add_variable.
2943         (gimplify_bind_expr): Likewise.
2944         (gimplify_var_or_parm_decl): If omp_notice_variable returned
2945         true, disregard DECL_VALUE_EXPR on the decl if any.
2946         (gimplify_expr_in_ctx): New.
2947         (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
2948         omp_add_variable, omp_notice_variable, omp_is_private
2949         gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
2950         gimplify_adjust_omp_clauses, gimplify_omp_parallel
2951         gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
2952         gimplify_omp_atomic_fetch_op, goa_stabilize_expr
2953         gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
2954         gimplify_omp_atomic): New.
2955         (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2956         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2957         OMP_CRITICAL and OMP_ATOMIC.
2958         (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
2959         * c-pragma.h (enum pragma_kind): Add
2960         PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
2961         PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
2962         PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
2963         PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
2964         PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
2965         PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
2966         PRAGMA_OMP_THREADPRIVATE.
2967         * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
2968         OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
2969         OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
2970         OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
2971         OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
2972         OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
2973         OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
2974         OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
2975         OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
2976         * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
2977         * tree-ssa-dce.c (find_control_dependence): Do not assume that
2978         ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
2979         * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
2980         OpenMP directives.
2981         (struct nesting_info): Add field_map,
2982         suppress_expansion, debug_var_chain.
2983         (create_nesting_tree): Initialize them.
2984         (lookup_field_for_decl): Use field_map.
2985         (get_nonlocal_debug_decl, get_local_debug_decl): New.
2986         (convert_local_omp_clauses): New.
2987         (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
2988         (walk_body): Split out of walk_function.
2989         (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
2990         (convert_nonlocal_reference): Handle omp statements.
2991         (convert_local_reference): Likewise.
2992         (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
2993         (unnest_nesting_tree): New.
2994         (lower_nested_functions): Call it.
2995         (insert_field_into_struct): Make extern.
2996         (struct walk_stmt_info): Move to tree-gimple.h.
2997         (walk_stmts): Make extern.
2998         * omp-builtins.def: New file.
2999         * tree-iterator.c (expr_only): Clarify comment.
3000         * c-common.h (pushdecl_top_level, pushdecl,
3001         build_modify_expr, build_indirect_ref,
3002         c_finish_omp_master, c_finish_omp_critical,
3003         c_finish_omp_ordered, c_finish_omp_barrier,
3004         c_finish_omp_atomic, c_finish_omp_flush,
3005         c_finish_omp_for, c_split_parallel_clauses,
3006         omp_clause_default_kind, c_omp_sharing_predetermined,
3007         c_omp_remap_decl): Declare.
3008         * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
3009         (OBJS-common): Add omp-low.o.
3010         (c-omp.o, omp-low.o): Add.
3011         (gimplify.o): Add dependency on $(OPTABS_H).
3012         (GTFILES): Add omp-low.c.
3013         (gt-stringpool.h): Add.
3014         * tree-cfg.c (set_bb_for_stmt): Do not update the
3015         block-to-labels map if we are currently expanding to RTL.
3016         (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
3017         checks.
3018         Handle IDENTIFIER_NODE.
3019         (tree_verify_flow_info): Do not ICE when emitting error
3020         messages about invalid labels.
3021         (dump_function_to_file): Reset CFUN before emitting the body
3022         of the function.
3023         (debug_function): New.
3024         * passes.c (init_optimization_passes): Schedule
3025         pass_lower_omp.
3026         * langhooks-def.h (lhd_omp_predetermined_sharing,
3027         lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
3028         Declare.
3029         (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
3030         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
3031         (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
3032         LANG_HOOKS_OMP_PREDETERMINED_SHARING,
3033         LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
3034         LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
3035         LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
3036         LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
3037         LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
3038         LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
3039         (LANG_HOOK_DECLS): Use them.
3041 2006-01-18  Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
3042             Richard Henderson  <rth@redhat.com>
3043             Jakub Jelinek  <jakub@redhat.com>
3044             Diego Novillo  <dnovillo@redhat.com>
3046         * c-parser.c (pragma_omp_clause): Define.
3047         (c_parser_declaration_or_fndef): Document OpenMP syntax.
3048         (c_parser_compound_statement): Likewise.
3049         (c_parser_statement): Likewise.
3050         (c_parser_pragma): Handle omp pragmas.
3051         (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
3052         OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
3053         (c_parser_omp_clause_name, check_no_duplicate_clause,
3054         c_parser_omp_variable_list,
3055         c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
3056         c_parser_omp_clause_copyprivate,
3057         c_parser_omp_clause_default,
3058         c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
3059         c_parser_omp_clause_lastprivate,
3060         c_parser_omp_clause_nowait,
3061         c_parser_omp_clause_num_threads,
3062         c_parser_omp_clause_ordered, c_parser_omp_clause_private,
3063         c_parser_omp_clause_reduction,
3064         c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
3065         c_parser_omp_all_clauses, c_parser_omp_structured_block,
3066         c_parser_omp_atomic, c_parser_omp_barrier,
3067         c_parser_omp_critical, c_parser_omp_flush,
3068         c_parser_omp_for_loop, c_parser_omp_for,
3069         c_parser_omp_master, c_parser_omp_ordered,
3070         c_parser_omp_sections_scope, c_parser_omp_sections,
3071         c_parser_omp_parallel, c_parser_omp_single,
3072         c_parser_omp_construct, c_parser_omp_threadprivate): New.
3073         * c-pragma.c (init_pragma): Do omp pragma registration here.
3074         * c.opt (fopenmp): New flag.
3076 2006-01-18  Eric Christopher  <echristo@apple.com>
3078         * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
3079         * config/darwin.h (GOMP_SELF_SPECS): Define.
3081 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
3083         * rtl.h: Remove the prototype for reg_alloc.
3085 2006-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3087         PR target/25731
3088         * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
3089         hppa[12]*-*-hpux11*): Override default shared libgcc version for both
3090         sjlj and dwarf2 exception handling.
3091         * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
3092         Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
3093         * pa/pa.c (function_value): Treat complex and vector types as
3094         aggregates.
3095         (function_arg): Likewise.  Only pass scalar floats in the floating
3096         point argument registers.
3097         * pa/t-slibgcc-dwarf-ver: New file.
3098         * pa/t-slibgcc-sjlj-ver: New file.
3099         * pa/t-slibgcc-elf-ver: Delete file.
3101 2006-01-19  Alan Modra  <amodra@bigpond.net.au>
3103         * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
3104         unlikely_test_section_p test.
3106 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
3108         * mode-switching.c (optimize_mode_switching): Make it static.
3109         * basic-block.h: Remove the prototype for
3110         optimize_mode_switching.
3112         * modulo-sched.c (sms_schedule): Make it static.
3113         * rtl.h: Remove the prototype for sms_schedule.
3115         * postreload-gcse.c (gcse_after_reload_main): Make it static.
3116         * rtl.h: Remove the prototype for gcse_after_reload_main.
3118         * reg-stack.c (reg_to_stack): Make it static.
3119         * rtl.h: Remove the prototype for reg_to_stack.
3121         * regrename.c (regrename_optimize, copyprop_hardreg_forward):
3122         Make them static.
3123         * rtl.h: Remove the prototypes for regrename_optimize and
3124         copyprop_hardreg_forward.
3126 2006-01-18  Eric Botcazou  <ebotcazou@adacore.com>
3128         * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
3129         alpha_split_tmode_pair.  Add 'mode' and 'fixup_overlap' arguments.
3130         Test against the appropriate null constant for the mode.
3131         If 'fixup_overlap' is true, swap the operands if they overlap.
3132         (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
3133         * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
3134         alpha_split_tmode_pair and adjust for above change.
3135         * config/alpha/alpha.md (movtf_internal): Adjust call to
3136         alpha_split_tfmode_pair and rely on it to swap the operands.
3137         (movti_internal): New insn and post-reload splitter.
3138         (movti): New expander.
3140 2006-01-18  Philippe De Muyter  <phdm@macqel.be>
3142         * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
3143         operands.
3145 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
3147         * rtlanal.c (global_reg_mentioned_p_1,
3148         global_reg_mentioned_p): Remove.
3149         * rtl.h: Remove the prototype for global_reg_mentioned_p.
3151         * flow.c (initialize_uninitialized_subregs): Make it static.
3152         * rtl.h: Remove the prototype for
3153         initialize_uninitialized_subregs.
3155         * function.c (instantiate_virtual_regs): Make it static.
3156         * function.h: Remove the prototype for
3157         instantiate_virtual_regs.
3159         * regmove.c (regmove_optimize, combine_stack_adjustments):
3160         Make them static.
3161         * rtl.h: Remove the prototypes for regmove_optimize and
3162         combine_stack_adjustments.
3164 2006-01-17  Roger Sayle  <roger@eyesopen.com>
3166         * config/i386/i386.c (COSTS_N_BYTES): New macro.
3167         (size_cost): Encode costs in bytes so that a reg-reg addition is
3168         equivalent to COSTS_N_INSNS(1).
3169         (override_options): Use the size_cost.branch_cost as the default
3170         ix86_branch_cost when optimizing for size.
3172 2006-01-18  Ben Elliston  <bje@au.ibm.com>
3174         * Makefile.in (D32PBIT_FUNCS): New.
3175         (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
3176         (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
3177         D64PBIT_FUNCS and D128PBIT_FUNCS.
3178         (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
3179         * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
3180         D128PBIT are set.
3181         (decnumber_dep): Define.
3182         * doc/libgcc.texi (Decimal float library routines): New node.
3183         * config/dfp-bit.h, config/dfp-bit.c: New files.
3185 2006-01-18  Ben Elliston  <bje@au.ibm.com>
3187         * expr.c (emit_move_change_mode): Always adjust addresses, not
3188         just during reload.  Copy replacements only during reload.
3189         (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
3190         emit_move_via_integer.
3192 2006-01-17  Shantonu Sen  <ssen@opendarwin.org>
3194         * Makefile.in (check-%, check-consistency): Use $${srcdir}
3195         instead of $(srcdir) and ${srcdir}.
3197 2006-01-17  Richard Earnshaw  <rearnsha@arm.com>
3199         PR target/592
3200         PR middle-end/11135
3201         * arm.h (struct machine_function): Add pic_reg.
3202         * arm.c (arm_pic_register): Make unsigned.
3203         (arm_override_options): Only set arm_pic_register if
3204         TARGET_SINGLE_PIC_BASE.
3205         (use_return_insn): Only test for a pic register if it is fixed.
3206         (arm_compute_save_reg0_reg12_mask): Likewise.
3207         (thumb_compute_save_reg_mask): Likewise.
3208         (legitimate_pic_operand): Factor out some known invariants.
3209         (legitimize_pic_address): If we don't have a fixed pic register,
3210         then set up a pseudo in the function entry sequence.  Handle the
3211         pic base being in a pseudo.
3212         (arm_load_pic_register): Handle the pic register being in a pseudo.
3213         (arm_expand_prologue): Only set up the pic register if it is fixed.
3214         (thumb_expand_prologue): Likewise.
3215         * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
3216         (pic_load_addr_based_insn): Likewise.
3217         (builtin_setjmp_receiver): Don't restore the pic base if it isn't
3218         fixed.
3220 2006-01-18  Ben Elliston  <bje@au.ibm.com>
3222         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
3223         decimal float modes for all floating point registers.
3225         * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
3226         match_code "mem" with match_test "macho_lo_sum_memory_operand".
3228 2006-01-17  Jakub Jelinek  <jakub@redhat.com>
3230         PR c/25682
3231         * c-typeck.c (build_unary_op): Fold offsetof-like expressions
3232         even when the pointer is not NULL.
3234 2006-01-16  Ian Lance Taylor  <ian@airs.com>
3236         * common.opt (ftoplevel-reorder): New option.
3237         * cgraph.c (cgraph_asm_nodes): New global variable.
3238         (cgraph_asm_last_node): New static variable.
3239         (cgraph_order): New global variable.
3240         (cgraph_create_node): Set new order field.
3241         (cgraph_varpool_node): Likewise.
3242         (decide_is_variable_needed): Return true if not
3243         flag_toplevel_reorder.
3244         (cgraph_add_asm_node): New function.
3245         * cgraph.h (struct cgraph_node): Add order field.
3246         (struct cgraph_varpool_node): Add order field.
3247         (struct cgraph_asm_node): Define.
3248         (cgraph_asm_nodes, cgraph_order): Declare.
3249         (cgraph_add_asm_node): Declare.
3250         * cgraphunit.c (cgraph_varpool_assemble_decl): New static
3251         function.
3252         (cgraph_varpool_assemble_pending_decls): Call it.
3253         (cgraph_output_pending_asms): New static function.
3254         (cgraph_finalize_compilation_unit): Call it.
3255         (struct cgraph_order_sort): Define.
3256         (cgraph_output_in_order): New static function.
3257         (cgraph_optimize): Call cgraph_output_pending_asms.  Add code for
3258         !flag_toplevel_reorder case.
3259         * c-parser.c: Include "cgraph.h".
3260         (c_parser_asm_definition): Call cgraph_add_asm_node rather than
3261         assemble_asm.
3262         * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
3263         than -fno-unit-at-a-time.
3264         * doc/invoke.texi (Option Summary): Mention
3265         -fno-toplevel-reorder.
3266         (Optimize Options): Document -fno-toplevel-reorder.  Mention it in
3267         -funit-at-a-time documentation.
3269 2006-01-17  Hans-Peter Nilsson  <hp@axis.com>
3270             Kazu Hirata  <kazu@codesourcery.com>
3272         * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
3274 2006-01-17  Kazu Hirata  <kazu@codesourcery.com>
3276         * Makefile.in (FUNCTION_H): New.  Use it instead of
3277         function.h throughout the file.
3278         * function.h: Include tree.h.
3280 2006-01-17  Ben Elliston  <bje@au.ibm.com>
3282         * recog.c: Separate some functions with whitespace.
3284 2006-01-16  Richard Henderson  <rth@redhat.com>
3286         Merge from gomp branch:
3287         * Makefile.in (TREE_INLINE_H): New.  Use it as needed.
3288         * tree-inline.h (struct copy_body_data): Move from tree-inline.c
3289         and rename from struct inline_data.  Rename callee* to dst*;
3290         caller* to src*; add copy_decl hook, transform_call_graph_edges,
3291         transform_new_cfg, transform_return_to_modify, and
3292         transform_lang_insert_block flags; remove cloning_p, versioning_p,
3293         update_clones_p.
3294         (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
3295         (copy_decl_for_dup): Remove.
3296         * tree-inline.c (struct inline_data): Move to header.
3297         (insert_decl_map): Export.
3298         (remap_decl): Update for member name changes.  Use copy_decl hook.
3299         Allow for replacement to be a non-decl.  Remove dead code.
3300         (remap_type_1): Check for existing mapping.
3301         (remap_type): Export.
3302         (remap_decls): Update for member name changes.
3303         (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
3304         (copy_body, setup_one_parameter, declare_return_variable): Likewise.
3305         (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
3306         (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
3307         (tree_function_versioning, build_duplicate_type): Likewise.
3308         (copy_body_r): Likewise.  Export.
3309         (copy_decl_for_dup): Split into ...
3310         (copy_decl_for_dup_finish, copy_decl_to_var,
3311         copy_decl_no_change, copy_decl_maybe_to_var): ... these.
3312         (replace_ref_tree, inlining_p): Remove.
3314 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
3316         * ifcvt.c (if_convert): Make it static.
3317         * rtl.h: Remove the prototype for if_convert.
3319         * local-alloc.c (local_alloc): Make it static.
3320         * rtl.h: Remove the prototype for local_alloc.
3322         * loop.c (loop_optimize): Make it static.
3323         * cfgloop.h: Remove the prototype for loop_optimize.
3324         * rtl.h: Likewise.
3326 2006-01-16  DJ Delorie  <dj@redhat.com>
3328         * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
3329         mems.
3331 2006-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3333         * pa.md: Disparage copies between general and floating-point registers
3334         in 32-bit move patterns.
3336 2006-01-16  H.J. Lu  <hongjiu.lu@intel.com>
3338         PR testsuite/25741
3339         * Makefile.in (check-%): Depend on site.exp instead of
3340         $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
3341         directories.
3343 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
3345         * global.c (global_alloc): Make it static.
3346         * rtl.h: Remove the prototype for global_alloc.
3348 2006-01-16  Richard Guenther  <rguenther@suse.de>
3350         * tree-ssa-alias.c (struct used_part): Add write_only field.
3351         (get_or_create_used_part_for): Initialize it to true.
3352         (create_overlap_variables_for): Don't create structure variables
3353         for structures that only are written to.
3354         (find_used_portions): Handle MODIFY_EXPR to track whether a
3355         structure is only written to.
3357 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
3359         * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
3360         static.
3361         * basic-block.h: Remove the prototype for
3362         partition_hot_cold_basic_blocks.
3364 2006-01-16  Rafael Ãƒvila de Espíndola <rafael.espindola@gmail.com>
3366         * cppspec.c (lang_specific_spec_functions): Remove.
3367         * gcc.c (lookup_spec_function): Use static_spec_functions directly.
3368         * gcc.h (lang_specific_spec_functions): Remove.
3369         * gccspec.c (lang_specific_spec_functions): Remove.
3371 2006-01-16  Paolo Bonzini  <bonzini@gnu.org>
3373         * combine.c (record_value_for_reg): Invalidate registers
3374         if INSN is null.
3375         (record_dead_and_set_regs_1): Likewise, by passing them to
3376         record_value_for_reg.
3377         (record_dead_and_set_regs): Invalidate stores made by a
3378         call.  We do not combine across a call, but we still
3379         relied on equivalences.
3381 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
3383         * tree-vrp.c (extract_range_from_binary_expr): Cope with
3384         vrp_int_const_binop returning non-constant nodes.
3386 2006-01-16  Paul Brook  <paul@codesourcery.com>
3388         * config/m68k/m68k.c (output_move_const_into_data_reg):
3389         Output correct mnemonic for mvz and mvs.
3391 2006-01-16  Gabor Loki  <loki@gcc.gnu.org>
3393         * rtl-factoring.c: Add sequence abstraction algorithm.
3394         * cfgcleanup.c (outgoing_edges_match): Extra checks.
3395         (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
3396         ABNORMAL edges.
3397         (block_has_preserve_label): New function.
3398         * common.opt: Register new pass.
3399         * Makefile.in: Ditto.
3400         * passes.c: Ditto.
3401         * timevar.def: Ditto.
3402         * tree-pass.h: Ditto.
3403         * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
3404         * rtl.h (make_jump_insn_raw): Add forward decl.
3405         * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
3407 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
3408             Roger Sayle  <roger@eyesopen.com>
3410         * fold-const.c (fold_minmax): New static function.
3411         (fold_binary) <MIN_EXPR>: Call it.
3412         <MAX_EXPR>: Likewise.
3413         * stor-layout.c (place_field): Use DECL_SIZE consistently
3414         in the computation of the new record size.
3416 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
3418         * cse.c (cse_condition_code_reg): Make it static.
3419         * rtl.h: Remove the prototype for cse_condition_code_reg.
3421         * combine.c (combine_instructions): Make it static.
3422         * rtl.h: Remove the prototype for combine_instructions.
3424 2006-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3426         PR target/25168
3427         * tree.c (get_file_function_name_long): Concatenate the first global
3428         object name with a string derived from the input filename of the object
3429         for type "F".
3431 2006-01-16  Ben Elliston  <bje@au.ibm.com>
3433         * config/i386/winnt-stubs.c: Update FSF address.
3434         * config/xtensa/ieee754-df.S: Ditto.
3435         * config/xtensa/ieee754-sf.S: Ditto.
3437 2006-01-14  Ian Lance Taylor  <ian@airs.com>
3439         * ifcvt.c (noce_init_if_info): New static function, broken out of
3440         noce_process_if_block.
3441         (noce_process_if_block): Call noce_init_if_info.
3442         (check_cond_move_block): New static function.
3443         (cond_move_process_if_block): New static function.
3444         (process_if_block): Call cond_move_process_if_block.
3446 2006-01-15  Kazu Hirata  <kazu@codesourcery.com>
3448         * cselib.c (hash_table): Rename to cselib_hash_table.
3449         (cselib_clear_table, discard_useless_values,
3450         remove_useless_values, cselib_lookup_mem, cselib_lookup,
3451         cselib_init, cselib_finish): Adjust uses of hash_table.
3453 2006-01-14  Kazu Hirata  <kazu@codesourcery.com>
3455         PR tree-optimization/25485
3456         * tree-vrp.c (extract_range_from_binary_expr): Handle cases
3457         where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
3458         is known to be false and true, respectively.
3460 2006-01-14  Richard Guenther  <rguenther@suse.de>
3462         PR tree-optimization/22548
3463         PR tree-optimization/22555
3464         PR tree-optimization/22501
3465         * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
3466         * params.def (salias-max-array-elements): New parameter.
3467         * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
3468         * doc/invoke.texi (salias-max-array-elements): Document.
3469         * tree-flow-inline.h (var_can_have_subvars): We also handle
3470         arrays now.
3471         * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
3472         COMPONENT_REF.
3473         * tree-ssa-structalias.c (params.h): Include.
3474         (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
3475         (find_func_aliases): Handle multiple constraints from ARRAY_REF.
3476         (get_constraint_for): For ADDR_EXPR operating on something
3477         containing an ARRAY_REF, add all subvars to the solution.
3478         (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
3479         * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
3480         for creating MUST_DEFs.
3481         (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
3483 2006-01-14  Zdenek Dvorak <dvorakz@suse.cz>
3485         * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
3486         functions.
3487         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
3488         assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3489         number_of_iterations_le): New functions.
3490         (number_of_iterations_special): Removed.
3491         (number_of_iterations_exit): Do not use number_of_iterations_special.
3492         * tree.c (unsigned_type_for): Always return integer type.
3494 2006-01-14  Steven Bosscher  <stevenb.gcc@gmail.com>
3495         Richard Guenther  <rguenther@suse.de>
3497         PR rtl-optimization/24257
3498         * gcse.c (find_moveable_store): Only consider a store movable
3499         when the SET_SRC of the insn can be assigned to a register.
3501 2006-01-14  Ian Lance Taylor  <ian@airs.com>
3503         * tree.c (tree_not_class_check_failed): New function.
3504         * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
3505         (tree_not_class_check_failed): Declare.
3507 2006-01-13  Ian Lance Taylor  <ian@airs.com>
3509         * reload1.c (do_output_reload): Add assertion rejecting a
3510         CALL_INSN.
3512 2006-01-13  Adam Nemet  <anemet@caviumnetworks.com>
3514         * combine.c (struct reg_stat): Add new fields truncation_label and
3515         truncated_to_mode.
3516         (record_value_for_reg): Reset truncated_to_mode.
3517         (record_truncated_value): New function.
3518         (check_promoted_subreg): Call it.  Rename to check_conversions.
3519         (combine_instructions): Rename check_promoted_subreg to
3520         check_conversions.
3521         (reg_truncated_to_mode): New function.
3522         (make_extraction): Use it.  Check TRULY_NOOP_TRUNCATION.
3523         (gen_lowpart_or_truncate): New function.
3524         (force_to_mode): Use it instead of gen_lowpart.
3526 2006-01-13  Diego Novillo  <dnovillo@redhat.com>
3528         * tree-ssa-alias.c (add_type_alias): Fix typo.  Test whether
3529         VAR is a tag, not its type tag.
3531 2006-01-13  Alexandre Oliva  <aoliva@redhat.com>
3533         * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
3534         alternatives to match style of other entries.
3535         (*vec_extractv2di_1_sse): Likewise.  Fix mode attr.
3537 2006-01-13  Daniel Berlin  <dberlin@dberlin.org>
3539         PR tree-optimization/25771
3540         * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
3541         SSA_NAMES.
3543 2006-01-13  Andrew Pinski  <pinskia@physics.uc.edu>
3545         PR tree-opt/24365
3546         * tree-inline.c (declare_return_variable): If the return variable
3547         was marked as a non gimple complex, set the return slot variable
3548         to be a non gimple comple variable.
3550 2006-01-13  Richard Guenther  <rguenther@suse.de>
3552         * builtins.c (expand_builtin_sincos): New function.
3553         (expand_builtin_mathfn_3): Remove dead code, sin and cos
3554         do not set errno.
3555         (expand_builtin): Expand sincos using expand_builtin_sincos.
3557 2006-01-12  DJ Delorie  <dj@redhat.com>
3559         * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
3560         shift counts, separate SI shifts for m32c vs m16c, pass shift type
3561         so that constant shifts can be split.
3562         * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
3563         (m32c_valid_pointer_mode): Make static.
3564         (shift_gen_func_for): New.
3565         (m32c_prepare_shift): Use it.  Split large const shifts into
3566         multiple shifts.
3567         * config/m32c/predicates.md (shiftcount_operand): Allow more
3568         general operands.
3569         (longshiftcount_operand): New.
3570         * doc/md.texi (Machine Constraints): Document In6.
3572 2006-01-13  Ben Elliston  <bje@au.ibm.com>
3574         * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
3575         REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
3576         documentation.
3578 2006-01-12  Daniel Berlin  <dberlin@dberlin.org>
3580         * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
3581         to try to avoid clobbering pieces of structures when we know
3582         something about the whole structure.
3583         * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
3585 2006-01-13  Ben Elliston  <bje@au.ibm.com>
3587         * doc/rtl.texi (Insns): Remove statement that libcalls cannot
3588         return in memory, as this is no limitation is no longer present.
3590 2006-01-12  DJ Delorie  <dj@redhat.com>
3592         * config/m32c/addsub.md (addhi3): Add two more alternatives, for
3593         mova with fb, and for fb+0 -> An.
3595         * config/m32c/mov.md (peephole2): Fix enabling logic.
3597         * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
3598         DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
3599         DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
3600         FINI_ARRAY_SECTION_ASM_OP): Define.
3602         * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
3603         variable.
3604         (m32c_legitimize_reload_address): New logic to reload FB to An.
3605         (m32c_output_reg_push): Add newline.
3606         (m32c_output_reg_pop): Likewise.
3608 2006-01-12  Ulrich Weigand  <uweigand@de.ibm.com>
3610         * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
3612 2006-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
3614         * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3616 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
3618         * config/sh/predicates.md (sh_rep_vec): Add parallel to
3619         match_code.
3621 2006-01-11  Ben Elliston  <bje@au.ibm.com>
3623         * rtlanal.c (find_reg_note): Assert insn is not null.
3625 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
3627         * df-scan.c (df_hard_reg_init): Move declaration of i outside
3628         ifdef.
3630 2006-01-11  Jeff Law  <law@redhat.com>
3632         * tree-ssa-threadupdate.c (threaded_edges): New VEC to
3633         hold edge pairs.
3634         (mark_threaded_blocks, register_jump_thread): New functions.
3635         (thread_through_all_blocks): Remove unwanted argument.  No
3636         longer rely on e->aux to communicate thread target info.
3637         Call mark_threaded_blocks.  Release the threaded_blocks
3638         bitmap and threaded_edges vector when complete.
3639         * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
3640         (threaded_blocks): Remove.
3641         (tree_ssa_dominator_optimize): Remove initialization and
3642         finalization of threaded_blocks.  Simplify call to
3643         thread_through_all_blocks.
3644         (thread_across_edge): Call register_jump_thread rather than
3645         storing thread information into e->aux.
3646         (free_all_edge_infos): Simplify now that e->aux is no longer
3647         used to communicate with thread_through_all_blocks.
3648         * tree-flow.h (thread_through_all_blocks): Update prototype.
3649         (register_jump_thread): Prototype.
3651 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
3653         * df-core.c (df_compact_blocks, df_bb_replace): Use
3654         SET_BASIC_BLOCK instead of BASIC_BLOCK.
3656 2006-01-11  Richard Guenther  <rguenther@suse.de>
3658         PR tree-optimization/25734
3659         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
3660         stop propagation after successful propagation to the LHS.
3662 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
3664         * basic-block.h (control_flow_graph): Change the type of
3665         x_basic_block_info to VEC(basic_block,gc) *.
3666         (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
3667         basic_block_info.
3668         (SET_BASIC_BLOCK): New.
3669         * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
3670         instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
3671         * cfgbuild.c (find_basic_blocks): Likewise.
3672         * cfglayout.c (fixup_reorder_chain): Likewise.
3673         * cfgrtl.c (create_basic_block_structure,
3674         rtl_create_basic_block): Likewise.
3675         * ifcvt.c (find_if_case_1): Likewise.
3676         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
3677         Likewise.
3679 2006-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
3681         * Makefile.in: Removed rotted odf.c entry.
3683 2006-01-11  Hans-Peter Nilsson  <hp@axis.com>
3685         PR target/25706
3686         * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
3687         ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
3688         ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
3689         output pattern modifier, not %e.
3690         * config/cris/cris.c (cris_op_str): Update comment about pattern
3691         modifier.
3692         (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
3693         before falling through into...
3694         <case 'E'>: Redefined from old 'e' case.
3696 2006-01-11  Jan Hubicka  <jh@suse.cz>
3698         PR target/25042
3699         * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
3701 2006-01-11  Jan Hubicka  <jh@suse.cz>
3703         * i386.h (TARGET_DECOMPOSE_LEA): Kill.
3704         * i386.c (x86_decompose_lea): Kill.
3705         (ix86_rtx_costs): Kill.
3707 2006-01-11  Jan Hubicka  <jh@suse.cz>
3709         * cgraph.c (cgraph_insert_node_to_hashtable): New function.
3710         * cgraph.h (cgraph_node): Add inline_decl.
3711         (cgraph_insert_node_to_hashtable): Declare.
3712         (save_inline_function_body): Declare.
3713         * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
3714         clones.
3715         (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
3716         (cgraph_function_versioning): Update call of tree_function_versioning.
3717         (save_inline_function_body): New function.
3718         * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
3719         saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
3720         * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
3721         (cgraph_default_inline_p): Likewise.
3722         (cgraph_decide_inlining_incrementally): Likewise.
3723         * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
3724         (copy_bb): Kill saving; do updating of clones.
3725         (copy_cfg_body): Kill saving.
3726         (initialize_inlined-parameters): Likewise.
3727         (expand_call_inline): Likewise.
3728         (save_body): Kill.
3729         (tree_function_versioning): New parameter "update_clones".
3730         (inlining_p): Kill saving.
3731         * tree-inline.h (tree_function_versioning): Update prototype.
3732         * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
3733         saving.
3735 2006-01-11  Ian Lance Taylor <ian@airs.com>
3737         * combine.c (struct undo): Remove is_int.  Enumify types of undos.
3738         Allow undoing set of machine mode.
3739         (do_SUBST): Use enums instead of is_int.
3740         (do_SUBST_MODE): New function.
3741         (SUBST_MODE): New macro.
3742         (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
3743         reg and trying to replace reg_regno_rtx with a new register.
3744         (undo_all): Use new enums, handle undoing a PUT_MODE change.
3745         (simplify_set): Use SUBST_MODE.
3746         (distribute_notes): Remove code that tried to update reg notes
3747         for regno_reg_rtx changes.
3749 2006-01-11  Paolo Bonzini  <bonzini@gnu.org>
3751         PR tree-optimization/23109
3752         PR tree-optimization/23948
3753         PR tree-optimization/24123
3755         * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
3756         * tree-cfg.c (single_noncomplex_succ): New.
3757         * tree-flow.h (single_noncomplex_succ): Declare it.
3758         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3759         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
3760         (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
3761         insert_bb, register_division_in, insert_reciprocals,
3762         replace_reciprocal, free_bb): New.
3763         (execute_cse_reciprocals_1): Rewritten.
3764         (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
3765         Do not commit any edge insertion.  Always compute dominators and
3766         create the allocation pool.
3767         * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
3768         * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
3769         * targhooks.c (default_min_divistions_for_recip_mul): New.
3770         * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
3771         * passes.c (init_optimization_passes): Run recip after tree loop
3772         optimizations.
3773         * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
3775 2006-01-11  Danny Berlin <dberlin@dberlin.org>
3776             Kenneth Zadeck <zadeck@naturalbridge.com>
3778         * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
3779         DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
3780         DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
3781         DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
3782         DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
3783         DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
3784         DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
3785         DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
3786         DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
3787         DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
3788         DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
3789         DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
3790         DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
3791         DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
3792         DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
3793         DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
3794         DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
3795         DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
3796         DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
3797         DF_SCAN_POST_ALLOC): New macros.
3798         (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
3799         df_free_bb_function, df_local_compute_function, df_init_function,
3800         df_dataflow_function, df_confluence_function_0,
3801         df_confluence_function_n, df_transfer_function,
3802         df_finalizer_function, df_free_function, df_dump_problem_function,
3803         df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
3804         df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
3805         df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
3806         df_urec_bb_info, ) New types.
3807         (df_invalidated_by_call, df_all_hard_regs, df_state) New public
3808         variables.
3809         (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
3810         df_analyze_simple_change_some_blocks,
3811         df_analyze_simple_change_one_block, df_compact_blocks,
3812         df_bb_replace, df_bb_regno_last_use_find,
3813         df_bb_regno_first_def_find, df_bb_regno_last_def_find,
3814         df_insn_regno_def_p, df_find_def, df_find_use,
3815         df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
3816         df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
3817         df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
3818         debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
3819         debug_df_chain, df_get_dependent_problem, df_chain_create,
3820         df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
3821         df_grow_bb_info, df_chain_dump, df_print_bb_index,
3822         df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
3823         df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
3824         df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
3825         df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
3826         df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
3827         df_rescan_blocks, df_ref_create, df_get_artificial_defs,
3828         df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
3829         df_ref_remove, df_insn_refs_delete, df_refs_delete,
3830         df_reorganize_refs, df_set_state, df_hard_reg_init,
3831         df_read_modify_subreg_p) New public functions.
3832         * df-core.c: The core dataflow solver and glue routines for rtl
3833         dataflow.
3834         (df_init, df_add_problem, df_set_blocks, df_finish,
3835         df_hybrid_search_forward, df_hybrid_search_backward,
3836         df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
3837         df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
3838         df_bb_regno_last_use_find, df_bb_regno_first_def_find,
3839         df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
3840         df_reg_defined, df_find_use, df_reg_used, df_dump,
3841         df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
3842         df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
3843         debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
3844         debug_df_useno, reset_df_after_reload): New functions.
3845         * df-scan.c: The scanning fuctions, once in df.c, completely
3846         rewritten so that they now fully model the functionality of
3847         register usage at the backend.
3848         (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
3849         df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
3850         df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
3851         df_grow_insn_info, df_rescan_blocks, df_ref_create,
3852         df_get_artificial_defs, df_get_artificial_uses,
3853         df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
3854         df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
3855         df_refs_delete, df_reorganize_refs, df_set_state,
3856         df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
3857         df_def_record_1, df_defs_record, df_uses_record,
3858         df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
3859         df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
3860         df_record_exit_block_uses, df_hard_reg_init): New functions.
3862         * df-problems.c: Seven concrete dataflow problems that use the
3863         scanning in df-scan.c and are solved by the engine in df-core.c.
3864         (df_get_dependent_problem, df_chain_create, df_chain_unlink,
3865         df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
3866         df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
3867         df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
3868         df_ru_free_bb_info, df_ru_alloc,
3869         df_ru_bb_local_compute_process_def,
3870         df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
3871         df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
3872         df_ru_transfer_function, df_ru_free, df_ru_dump,
3873         df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
3874         df_rd_free_bb_info, df_rd_alloc,
3875         df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
3876         df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
3877         df_rd_transfer_function, df_rd_free, df_rd_dump,
3878         df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
3879         df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
3880         df_lr_local_compute, df_lr_init, df_lr_confluence_0,
3881         df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
3882         df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
3883         df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
3884         df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
3885         df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
3886         df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
3887         df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
3888         df_urec_mark_reg_change, df_urec_check_earlyclobber,
3889         df_urec_mark_reg_use_for_earlyclobber,
3890         df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
3891         df_urec_local_compute, df_urec_init, df_urec_local_finalize,
3892         df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
3893         df_urec_dump, df_urec_add_problem, df_chain_alloc,
3894         df_chain_create_bb_process_use, df_chain_create_bb,
3895         df_chain_finalize, df_chain_free, df_chains_dump,
3896         df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
3897         df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
3898         df_reg_lifetime): New functions.
3899         * df.c: Deleted file.
3900         * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
3901         consistent with new df api.
3902         * modulo-sched.c (sms_schedule, rest_of_handle_sms,
3903         rest_of_handle_sms): Ditto.
3904         * web.c (unionfind_union, union_defs, entry_register, web_main):
3905         Ditto.
3906         * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
3907         invariant_expr_equal_p, find_defs, check_dependencies,
3908         find_invariant_insn, find_invariants_to_move, move_invariant_reg,
3909         free_inv_motion_data, move_loop_invariants): Ditto.
3910         * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
3911         Update dependencies.
3912         (odf.c): Added defective entry that was deleted later in day.
3913         * sched-deps.c (sched_analyze_1): Ditto.
3915 2006-01-11  Zdenek Dvorak <dvorakz@suse.cz>
3917         * tree-ssa-operands.c (get_expr_operands): Record addressable
3918         variables directly.  Do not call add_stmt_operands for CONST_DECLs
3919         and ARRAY_DECLs.
3920         (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
3921         (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
3923 2006-01-11  Ben Elliston  <bje@au.ibm.com>
3925         * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
3926         function returns true in the positive case.
3928 2006-01-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3930         PR target/20754
3931         * config/pa/pa.md: Create separate 32 and 64-bit move patterns
3932         for SI, DI, SF and DF modes.  Add alternatives to copy between
3933         general and floating point registers to the 32-bit patterns.
3934         * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
3935         * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
3936         (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
3937         generating 64-bit code.
3938         * config/pa/pa.c (output_move_double): Handle copies between general
3939         and floating registers.
3941 2006-01-10  Stuart Hastings  <stuart@apple.com>
3943         * config/i386/i386.md (set_got): Update.
3944         (set_got_labelled): New.  (UNSPEC_LD_MPIC): New.
3945         (builtin_setjmp_receiver): Mach-O support.
3946         * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
3947         (GOT_SYMBOL_NAME): Define.
3948         (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
3949         (TARGET_DEEP_BRANCH_PREDICTION): Remove.
3950         * config/i386/i386.c (override_options): Revise for Darwin.
3951         (USE_HIDDEN_LINKONCE): Enable for Mach-O.  (ix86_file_end): Mach-O
3952         support.  (darwin_x86_file_end): New.  (output_set_got): Add label
3953         parameter, revise for Mach-O.  (x86_output_mi_thunk): Likewise.
3954         * config/i386/i386-protos.h (output_set_got): Likewise.
3955         * config/darwin.c (machopic_legitimize_pic_address): Update
3956         regs_ever_live[].
3958 2006-01-10  Kaz Kojima  <kkojima@gcc.gnu.org>
3960         * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
3961         when MODE isn't BLKmode.
3963 2006-01-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
3965         PR rtl-optimization/25367
3966         * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
3968 2006-01-10  Hans-Peter Nilsson  <hp@axis.com>
3970         PR target/25718
3971         * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
3972         for a negative bound.
3974 2006-01-10  Richard Guenther  <rguenther@suse.de>
3976         * tree-ssa-structalias.c (get_constraint_for_component_ref):
3977         Never override with anything constraint.
3979 2006-01-10  Jan Beulich  <jbeulich@novell.com>
3981         * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
3982         256 bits when optimize_size.
3984 2006-01-10  Jan Beulich  <jbeulich@novell.com>
3986         * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
3987         MASK_ALIGN_DOUBLE.
3988         * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
3989         * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
3990         arguments.
3992 2006-01-10  Ben Elliston  <bje@au.ibm.com>
3994         * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
3995         float modes.
3996         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
3997         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
3998         (USE_FP_FOR_ARG): Reject decimal float modes.
3999         (function_arg_advance): Likewise.
4000         (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
4001         (rs6000_handle_altivec_attribute): Do not permit decimal floating
4002         point types in AltiVec vectors.
4003         (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
4004         (rs6000_libcall_value): Likewise.
4006 2006-01-09  Bob Wilson  <bob.wilson@acm.org>
4008         * config/xtensa/ieee754-df.S: New file.
4009         * config/xtensa/ieee754-sf.S: New file.
4010         * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
4011         (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
4012         * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
4014 2006-01-09  Kazu Hirata  <kazu@codesourcery.com>
4016         * config/sh/predicates.md (binary_float_operator,
4017         binary_logical_operator, commutative_float_operator,
4018         equality_comparison_operator, greater_comparison_operator,
4019         less_comparison_operator, logical_operator,
4020         noncommutative_float_operator, shift_operator,
4021         symbol_ref_operand, unary_float_operator): Remove redundant
4022         conditionals.
4024 2006-01-09  Jeff Law  <law@redhat.com>
4026         * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
4027         code to propagate the RHS of a cast into COND_EXPR_COND.  Remove
4028         now unused arguments.  Callers updated.
4029         (eliminate_redundant_computations): Remove now unused arguments,
4030         callers updated.
4031         (local_fold): Remove, no longer used.
4032         (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
4033         and moved to...
4034         * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
4035         (simplify_cond): New function.
4036         (forward_propagate_into_cond): Call simplify_cond.
4038 2006-01-09  Alexandre Oliva  <aoliva@redhat.com>
4040         * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
4041         (*vec_extractv2di_1_sse): New.
4043 2006-01-09  Ben Elliston  <bje@au.ibm.com>
4045         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
4047 2006-01-08  Richard Guenther  <rguenther@suse.de>
4049         * tree-ssa-structalias.c (get_constraint_for): Remove
4050         anyoffset argument.
4051         (get_constraint_for_component_ref): Likewise.
4052         (do_deref): Likewise.
4053         (get_constraint_for): Likewise.
4054         (do_structure_copy): Likewise.
4055         (handle_ptr_arith): Likewise.
4056         (find_func_aliases): Likewise.  Remove unused need_anyoffset
4057         variable.
4059 2006-01-08  J"orn Rennecke  <joern.rennecke@st.com>
4060             Kaz Kojima  <kkojima@gcc.gnu.org>
4062         * config/sh/sh.h (CONST_OK_FOR_K16): Define.
4063         (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
4064         (EXTRA_CONSTRAINT_C16): Remove.
4065         (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
4066         (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
4067         EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
4068         * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
4069         constants of SHmedia.  Handle nested constant expressions of
4070         SHmedia correctly.
4071         (andcosts): Fix the costs for SHmedia constants.
4072         (sh_rtx_costs): Take account of outer_code for SHmedia constants.
4073         * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
4074         (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
4075         (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
4076         (movv4hi_i, movv2si_i): Likewise.
4077         (movsi_const): Adjust the second operand of ior so to match with
4078         the Csu constraint.
4079         (movdi_const, movdi_const_32bit): Likewise.
4080         (movdi_const_16bit+1): Don't sign-extend LOW.
4081         (movdi_const_16bit+2): Likewise.  Remove the zero_extend and truncate
4082         step.
4083         (*double_shori): Fix the split condition.  Use GEN_INT instead
4084         of get_int_mode calls.  Mask lower 16-bit of the argument of
4085         the last GEN_INT.
4086         (sym2GOTPLT): Remove.
4087         (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
4088         gen_rtx_UNSPEC.
4089         * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
4090         instead of EXTRA_CONSTRAINT_C16.
4092 2006-01-07  Ian Lance Taylor  <ian@airs.com>
4093             David Edelsohn  <edelsohn@gnu.org>
4095         PR rtl-optimization/25662
4096         * optabs.c (simplify_expand_binop): Use simplify_binary_operation
4097         for constant operands instead of simplify_gen_binary.
4098         * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
4099         after trying simplify_binary_operation
4101 2006-01-06  Daniel Berlin  <dberlin@dberlin.org>
4103         * tree.c (iterative_hash_expr): Hash decls based on UID.
4105 2006-01-06  Eric Christopher  <echristo@apple.com>
4107         * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
4108         (TARGET_UNWIND_EMIT): Fix spelling.
4109         * target.h (gcc_target): Add except_table_label.
4110         * except.c (output_function_exception_table): Use.
4111         * varasm.c (default_emit_except_table_label): New.
4112         * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
4113         define.
4114         (asm_out): Add here.
4115         * output.h (default_emit_except_table_label): Prototype.
4116         * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
4117         * config/darwin.c (darwin_emit_except_table_label): Define.
4118         * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
4120 2006-01-06  Zdenek Dvorak <dvorakz@suse.cz>
4122         PR tree-optimization/18527
4123         * tree-ssa-loop-niter.c (number_of_iterations_cond,
4124         number_of_iterations_special, number_of_iterations_exit):
4125         Move base and step of an iv to a single structure.  Add
4126         no_overflow flag, and use it in # of iterations analysis.
4127         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
4128         folded_casts argument.
4129         (simple_iv): Pass base and step in a structure.  Set no_overflow
4130         flag.
4131         (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
4132         Evaluate expensiveness of computing # of iterations instead of
4133         the final expression.
4134         * tree-scalar-evolution.h (affine_iv): New structure.
4135         (simple_iv): Declaration changed.
4136         * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
4137         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
4138         find_givs_in_stmt): Changed due to simple_iv change.
4140 2006-01-06  Jeff Law  <law@redhat.com>
4142         PR ada/24994
4143         * tree-cfg.c (bsi_replace): Rename final argument from
4144         PRESERVE_EH_INFO to UPDATE_EH_INFO.  Fix typo in last
4145         change (stmt -> orig_stmt).
4146         * tree-eh.c (verify_eh_throw_stmt_node): New function.
4147         (bsi_remove): Add new argument.  Remove EH information
4148         if requested.
4149         (verify_eh_throw_table_statements): New function.
4150         (bsi_remove): Add new argument REMOVE_EH_INFO.  All callers
4151         updated.
4152         * tree-optimize.c (execute_free_cfg_annotations): Verify
4153         the EH throw statement table after removing annotations.
4154         * except.h (verify_eh_throw_table_statements): Prototype.
4155         * tree-flow.h (bsi_remove): Update prototype.
4156         * tree-vrp.c (remove_range_assertions): Add new argument to
4157         bsi_remove call.
4158         * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
4159         * tree-complex.c (expand_complex_div_wide): Likewise.
4160         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
4161         * tree-tailcall.c (eliminate_tailcall): Likewise.
4162         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
4163         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
4164         * tree-nrv.c (tree_nrv): Likewise.
4165         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
4166         * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
4167         (combine_blocks): Likewise.
4168         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
4169         * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
4170         (cleanup_control_flow): Likewise.
4171         (remove_forwarder_block): Likewise.
4172         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
4173         * tree-sra.c (sra_replace): Likewise.
4174         * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
4175         (forward_propagate_single_use_vars): Likewise.
4176         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
4177         * tree-inline.c (expand_call_inline): Likewise.
4178         * tree-vect-transform.c (vect_transform_loop): Likewise.
4179         * tree-outof-ssa.c (rewrite_trees): Likewise.
4180         * tree-cfg.c (make_goto_expr_edges): Likewise.
4181         (cleanup_dead_labels): Likewise.
4182         (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
4183         (bsi_move_before, bsi_move_after): Likewise.
4184         (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
4185         (tree_redirect_edge_and_branch, tree_split_block): Likewise.
4187 2006-01-06  Andrew Pinski  <pinskia@physics.uc.edu>
4189         PR tree-opt/25528
4190         * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
4191         and IMAGPART_EXPR.
4192         * tree-flow-inline.h (var_can_have_subvars): Handle complex types
4193         on non gimple variables.  Also add checks at the top for decls and
4194         mtags.
4195         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
4196         complex types.
4197         * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
4198         and IMAGPART_EXPR for creating MUST_DEFs.
4199         (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
4200         and NAME_MEMORY_TAG separately from the DECLs.
4202 2006-01-06  Richard Guenther  <rguenther@suse.de>
4204         * tree-dfa.c (mark_new_vars_to_rename): Create stmt
4205         annotation, if necessary.
4206         * tree-ssa-pre.c (create_expression_by_pieces): Remove
4207         redundant calls to update_stmt.
4208         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
4209         Likewise.
4211 2006-01-05  Richard Henderson  <rth@redhat.com>
4213         * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
4215 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
4217         * c-typeck.c: Update copyright date.
4219 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
4221         * c-typeck.c (build_c_cast): Always warn when casting
4222         from a pointer to an integer of different size, even if
4223         the node was constant.
4225 2006-01-05  Richard Guenther  <rguenther@suse.de>
4227         PR tree-optimization/22555
4228         * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
4229         if one structure field is an array.
4230         * tree-ssa-operands.c (get_expr_operands): Continue scanning
4231         operands even if we found a subvar, but ignore VOPs in this
4232         case.
4233         * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
4234         for renaming.
4235         * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
4237 2006-01-05  Richard Earnshaw  <rearnsha@arm.com>
4239         PR middle-end/24998
4240         * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
4242 2006-01-05  Richard Guenther  <rguenther@suse.de>
4243             Diego Novillo  <dnovillo@redhat.com>
4245         * tree-pass.h (TODO_remove_unused_locals): Define.
4246         * gimple-low.c (expand_var_p, remove_useless_vars,
4247         pass_remove_useless_vars): Remove.  Update all users.
4248         * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
4249         (remove_unused_locals): New function.
4250         * tree-flow.h (remove_unused_locals): Declare.
4251         * passes.c (execute_todo): Call remove_unused_locals if
4252         TODO_remove_unused_locals is set.
4253         * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
4254         * tree-ssa-dce.c (pass_dce): Likewise.
4255         * tree-outof-ssa.c (pass_del_ssa): Likewise.
4257 2006-01-05  Richard Guenther  <rguenther@suse.de>
4259         * tree-flow.h (struct fieldoff): Decompose field to
4260         type, size and decl.
4261         * tree-ssa-alias.c (create_sft): Take type as parameter.
4262         (create_overlap_variables_for): Store type, size and decl
4263         in the fieldoff structure.
4264         * tree-ssa-structalias.c (fieldoff_compare): Adjust users
4265         of struct fieldoff.
4266         (push_fields_onto_fieldstack): Likewise.
4267         (create_variable_info_for): Likewise.  Use offset for the
4268         SFT name if the decl is not available.
4270 2006-01-04  Paul Brook  <paul@codesourcery.com>
4272         * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
4274 2006-01-04  Daniel Berlin  <dberlin@dberlin.org>
4276         * lambda-code.c (can_put_in_inner_loop): Relax
4277         restrictions.
4278         (can_put_after_inner_loop): New function.
4279         (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
4280         (perfect_nestify): Change to make copies and modify uses.
4282 2006-01-04  Richard Henderson  <rth@redhat.com>
4284         Merge from gomp branch:
4285         * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
4286         via integer constant.
4287         (pragma_lex): Remove.
4288         * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
4289         rather than parsing it.
4290         * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
4291         handle_pragma_extern_prefix): Add %< %> quotes.
4292         (registered_pragmas): New.
4293         (c_register_pragma_1): New.
4294         (c_register_pragma): Use it.
4295         (c_register_pragma_with_expansion): Likewise.
4296         (c_invoke_pragma_handler): New.
4297         (init_pragma): Use cpp_register_deferred_pragma directly for
4298         pch_preprocess.
4299         * c-pragma.h (enum pragma_kind): New.
4300         (pragma_handler): New.
4301         (c_invoke_pragma_handler): Declare.
4302         * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
4303         CPP_PRAGMA_EOL.
4304         * c-common.h (c_common_pch_pragma): Update decl.
4305         * Makefile.in (c-parser.o): Update dependencies.
4306         (GTFILES): Add c-pragma.h.
4307         * c-parser.c (struct c_token): Add pragma_kind.
4308         (struct c_parser): Add in_pragma.
4309         (c_lex_one_token): Always initialize keyword and pragma_kind.
4310         Extract data for CPP_PRAGMA.
4311         (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
4312         (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
4313         Don't allow CPP_PRAGMA_EOL if in_pragma.
4314         (c_parser_consume_pragma): New.
4315         (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
4316         (c_parser_skip_to_end_of_parameter): Likewise.
4317         (c_parser_skip_to_end_of_block_or_statement): Likewise.
4318         (c_parser_skip_to_pragma_eol): New.
4319         (c_parser_external_declaration): Handle CPP_PRAGMA.
4320         (c_parser_compound_statement_nostart): Likewise.
4321         (c_parser_statement_after_labels): Likewise.
4322         (c_parser_pragma): New.
4323         (pragma_lex): Likewise.
4324         (c_parser_pragma_pch_preprocess): New.
4325         (c_parser_new): Merge into ...
4326         (c_parse_file): ... here.  Call c_parser_pragma_pch_preprocess.
4328 2006-01-04  Jeff Law  <law@redhat.com>
4330         PR ada/24994
4331         * tree-cfg.c (bsi_replace): Remove the original statement
4332         from the EH throw statement table.
4334 2006-01-04  Jakub Jelinek  <jakub@redhat.com>
4336         * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
4337         make the prototype extern "C" and add throw ().
4339         PR target/25554
4340         * config/i386/i386.md (testqi_ext_3): Ensure len is positive
4341         and pos non-negative and pos + len <= 32.
4342         (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
4343         drop pos + len < HOST_BITS_PER_WIDE_INT test.
4344         (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
4346         PR c/25559
4347         * c-common.c (handle_vector_size_attribute): Reject zero vector size
4348         as well as sizes not multiple of component size.
4350         PR debug/25562
4351         * function.c (instantiate_expr): New function.
4352         (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
4353         walk its DECL_VALUE_EXPR with instantiate_expr.
4355         * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
4356         DW_OP_deref{,_size} if address isn't going to be added.
4358 2006-01-04  Ben Elliston  <bje@au.ibm.com>
4360         * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
4361         * config/fp-bit.c: Likewise.
4363 2006-01-03  Daniel Berlin  <dberlin@dberlin.org>
4365         * dominance.c: Add comment about why we use DFS numbering
4366         of dominance tree.
4368 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
4369             Richard Henderson  <rth@redhat.com>
4371         Merge from gomp-branch:
4372         * varasm.c (assemble_variable): Handle thread-local COMMON data.
4373         * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
4375 2006-01-03  Paolo Bonzini  <bonzini@gnu.org>
4377         PR rtl-optimization/25578
4378         * combine.c (combine_simplify_rtx, force_to_mode): Don't
4379         pass a parameter to simplify_shift_const if changing ASHIFTRT
4380         to LSHIFTRT.
4382 2006-01-03  Adrian Straetling  <straetling@de.ibm.com>
4384         * builtins.c (get_builtin_sync_mem): New function.
4385         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
4386         expand_builtin_lock_test_and_set, expand_builtin_lock_release):
4387         Call get_builtin_sync_mem to generate mem rtx.
4389 2006-01-03  Richard Guenther  <rguenther@suse.de>
4391         PR c/25183
4392         * stmt.c (add_case_node): Make sure to clear overflow flags
4393         from ranges.
4395 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
4397         Merge from gomp-branch.
4398         * config/sparc/sync.md: New file.
4399         * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
4400         UNSPECV_LDSTUB): New constants.
4401         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
4402         * config/sparc/predicates.md (memory_reg_operand): New predicate.
4403         * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
4404         prototype.
4406 2006-01-03  Roger Sayle  <roger@eyesopen.com>
4408         * combine.c (reg_subword_p): New predicate to test whether the
4409         destination of a set refers to a subword/piece of a register.
4410         (try_combine): Generalize the code to merge the setting of a
4411         pseudo to a constant followed by a set of a subword of that
4412         register to a constant.
4414 2006-01-03  Kazu Hirata  <kazu@codesourcery.com>
4416         * basic-block.h (control_flow_graph): Change the type of
4417         x_label_to_block_map to VEC(basic_block,gc) *.
4418         * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
4419         set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
4421         * tree-ssa-propagate.c (cfg_blocks): Change the type to
4422         VEC(basic_block,heap) *.
4423         (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
4424         ssa_prop_fini): Adjust the uses of cfg_blocks.
4426 2006-01-03  Steven Bosscher  <stevenb.gcc@gmail.com>
4428         * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
4429         COMPONENT_REFs.
4430         * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
4431         hashing trees instead of a pointer hash.
4432         (mem_attrs_htab_eq): Do a deep compare instead of a pointer
4433         compare for MEM_EXPR.
4435         PR rtl-optimization/25130
4436         * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
4437         when comparing MEMs for GCSE
4439 2006-01-03  Ben Elliston  <bje@au.ibm.com>
4441         * targhooks.h (default_decimal_float_supported_p): Declare.
4442         * targhooks.c (default_decimal_float_supported_p): Define.
4443         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
4444         `default_decimal_float_supported_p'.
4445         * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
4447 2006-01-02  Adam Nemet  <anemet@caviumnetworks.com>
4449         * combine.c (apply_distributive_law <SUBREG>): Check
4450         TRULY_NOOP_TRUNCATION.
4452 2006-01-02  Geoffrey Keating  <geoffk@apple.com>
4454         * dwarf2out.c (have_switched_text_section): Delete.
4455         (have_multiple_function_sections): New.
4456         (have_location_lists): Make 'bool'.
4457         (add_AT_loc_list): Use 'true' not '1'.
4458         (dwarf2out_switch_text_section): Set have_multiple_function_sections.
4459         (output_loc_list): Use have_multiple_function_sections.
4460         (output_ranges): Likewise.
4461         (dwarf2out_begin_function): Set have_multiple_function_sections if
4462         necessary.
4463         (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
4464         Check function_section rather than DECL_SECTION_NAME.
4465         (dwarf2out_finish): Use have_multiple_function_sections.
4466         Don't clear have_location_lists.
4468 2006-01-02  Eric Botcazou  <ebotcazou@adacore.com>
4469             Jan Hubicka  <jh@suse.cz>
4471         * cfglayout.c (fixup_reorder_chain): Remove kludge for the
4472         case of conditional jump jumping to the next instruction.
4473         * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
4474         cases of conditional jump jumping to the next instruction.
4476 2006-01-02  Jan Hubicka  <jh@suse.cz>
4478         * i386.c (*_cost): Add COSTS_N_INSNS.
4479         (ix86_rtx_costs): Do not use COSTS_N_INSNS.
4481 2006-01-02  Paolo Bonzini  <bonzini@gnu.org>
4483         PR target/25259
4484         * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
4486 2006-01-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4488         * config/arm/arm.c (all_fpus): Fix comment typo.
4489         * config/darwin.c: Likewise.
4490         * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
4491         * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
4492         * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
4494 2006-01-01  David Edelsohn  <edelsohn@gnu.org>
4496         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
4497         (rs6000_split_compare_and_swapqhi): New.
4498         * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
4499         (sync_compare_and_swapqhi_internal): New.
4500         * config/rs6000/rs6000-protos.h: Declare.