* rtlanal.c (global_reg_mentioned_p_1,
[official-gcc.git] / gcc / ChangeLog
blobc2e6f633a8369f7b6b1498e9992f74516fd49027
1 2006-01-18  Kazu Hirata  <kazu@codesourcery.com>
3         * rtlanal.c (global_reg_mentioned_p_1,
4         global_reg_mentioned_p): Remove.
5         * rtl.h: Remove the prototype for global_reg_mentioned_p.
7 2006-01-17  Roger Sayle  <roger@eyesopen.com>
9         * config/i386/i386.c (COSTS_N_BYTES): New macro.
10         (size_cost): Encode costs in bytes so that a reg-reg addition is
11         equivalent to COSTS_N_INSNS(1).
12         (override_options): Use the size_cost.branch_cost as the default
13         ix86_branch_cost when optimizing for size.
15 2006-01-18  Ben Elliston  <bje@au.ibm.com>      
17         * Makefile.in (D32PBIT_FUNCS): New.
18         (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
19         (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
20         D64PBIT_FUNCS and D128PBIT_FUNCS.
21         (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
22         * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
23         D128PBIT are set.
24         (decnumber_dep): Define.
25         * doc/libgcc.texi (Decimal float library routines): New node.
26         * config/dfp-bit.h, config/dfp-bit.c: New files.
28 2006-01-18  Ben Elliston  <bje@au.ibm.com>      
30         * expr.c (emit_move_change_mode): Always adjust addresses, not
31         just during reload.  Copy replacements only during reload.
32         (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
33         emit_move_via_integer.
35 2006-01-17  Shantonu Sen  <ssen@opendarwin.org>
37         * Makefile.in (check-%, check-consistency): Use $${srcdir}
38         instead of $(srcdir) and ${srcdir}.
40 2006-01-17  Richard Earnshaw  <rearnsha@arm.com>
42         PR target/592
43         PR middle-end/11135
44         * arm.h (struct machine_function): Add pic_reg.
45         * arm.c (arm_pic_register): Make unsigned.
46         (arm_override_options): Only set arm_pic_register if
47         TARGET_SINGLE_PIC_BASE.
48         (use_return_insn): Only test for a pic register if it is fixed.
49         (arm_compute_save_reg0_reg12_mask): Likewise.
50         (thumb_compute_save_reg_mask): Likewise.
51         (legitimate_pic_operand): Factor out some known invariants.
52         (legitimize_pic_address): If we don't have a fixed pic register,
53         then set up a pseudo in the function entry sequence.  Handle the
54         pic base being in a pseudo.
55         (arm_load_pic_register): Handle the pic register being in a pseudo.
56         (arm_expand_prologue): Only set up the pic register if it is fixed.
57         (thumb_expand_prologue): Likewise.
58         * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
59         (pic_load_addr_based_insn): Likewise.
60         (builtin_setjmp_receiver): Don't restore the pic base if it isn't
61         fixed.
63 2006-01-18  Ben Elliston  <bje@au.ibm.com>
65         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
66         decimal float modes for all floating point registers.
68         * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
69         match_code "mem" with match_test "macho_lo_sum_memory_operand".
71 2006-01-17  Jakub Jelinek  <jakub@redhat.com>
73         PR c/25682
74         * c-typeck.c (build_unary_op): Fold offsetof-like expressions
75         even when the pointer is not NULL.
77 2006-01-16  Ian Lance Taylor  <ian@airs.com>
79         * common.opt (ftoplevel-reorder): New option.
80         * cgraph.c (cgraph_asm_nodes): New global variable.
81         (cgraph_asm_last_node): New static variable.
82         (cgraph_order): New global variable.
83         (cgraph_create_node): Set new order field.
84         (cgraph_varpool_node): Likewise.
85         (decide_is_variable_needed): Return true if not
86         flag_toplevel_reorder.
87         (cgraph_add_asm_node): New function.
88         * cgraph.h (struct cgraph_node): Add order field.
89         (struct cgraph_varpool_node): Add order field.
90         (struct cgraph_asm_node): Define.
91         (cgraph_asm_nodes, cgraph_order): Declare.
92         (cgraph_add_asm_node): Declare.
93         * cgraphunit.c (cgraph_varpool_assemble_decl): New static
94         function.
95         (cgraph_varpool_assemble_pending_decls): Call it.
96         (cgraph_output_pending_asms): New static function.
97         (cgraph_finalize_compilation_unit): Call it.
98         (struct cgraph_order_sort): Define.
99         (cgraph_output_in_order): New static function.
100         (cgraph_optimize): Call cgraph_output_pending_asms.  Add code for
101         !flag_toplevel_reorder case.
102         * c-parser.c: Include "cgraph.h".
103         (c_parser_asm_definition): Call cgraph_add_asm_node rather than
104         assemble_asm.
105         * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
106         than -fno-unit-at-a-time.
107         * doc/invoke.texi (Option Summary): Mention
108         -fno-toplevel-reorder.
109         (Optimize Options): Document -fno-toplevel-reorder.  Mention it in
110         -funit-at-a-time documentation.
112 2006-01-17  Hans-Peter Nilsson  <hp@axis.com>
113             Kazu Hirata  <kazu@codesourcery.com>
115         * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
117 2006-01-17  Kazu Hirata  <kazu@codesourcery.com>
119         * Makefile.in (FUNCTION_H): New.  Use it instead of
120         function.h throughout the file.
121         * function.h: Include tree.h.
123 2006-01-17  Ben Elliston  <bje@au.ibm.com>
125         * recog.c: Separate some functions with whitespace.
127 2006-01-16  Richard Henderson  <rth@redhat.com>
129         Merge from gomp branch:
130         * Makefile.in (TREE_INLINE_H): New.  Use it as needed.
131         * tree-inline.h (struct copy_body_data): Move from tree-inline.c
132         and rename from struct inline_data.  Rename callee* to dst*; 
133         caller* to src*; add copy_decl hook, transform_call_graph_edges,
134         transform_new_cfg, transform_return_to_modify, and
135         transform_lang_insert_block flags; remove cloning_p, versioning_p,
136         update_clones_p.
137         (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
138         (copy_decl_for_dup): Remove.
139         * tree-inline.c (struct inline_data): Move to header.
140         (insert_decl_map): Export.
141         (remap_decl): Update for member name changes.  Use copy_decl hook.
142         Allow for replacement to be a non-decl.  Remove dead code.
143         (remap_type_1): Check for existing mapping.
144         (remap_type): Export.
145         (remap_decls): Update for member name changes.
146         (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
147         (copy_body, setup_one_parameter, declare_return_variable): Likewise.
148         (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
149         (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
150         (tree_function_versioning, build_duplicate_type): Likewise.
151         (copy_body_r): Likewise.  Export.
152         (copy_decl_for_dup): Split into ...
153         (copy_decl_for_dup_finish, copy_decl_to_var,
154         copy_decl_no_change, copy_decl_maybe_to_var): ... these.
155         (replace_ref_tree, inlining_p): Remove.
157 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
159         * ifcvt.c (if_convert): Make it static.
160         * rtl.h: Remove the prototype for if_convert.
162         * local-alloc.c (local_alloc): Make it static.
163         * rtl.h: Remove the prototype for local_alloc.
165         * loop.c (loop_optimize): Make it static.
166         * cfgloop.h: Remove the prototype for loop_optimize.
167         * rtl.h: Likewise.
169 2006-01-16  DJ Delorie  <dj@redhat.com>
171         * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
172         mems.
174 2006-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
176         * pa.md: Disparage copies between general and floating-point registers
177         in 32-bit move patterns.
179 2006-01-16  H.J. Lu  <hongjiu.lu@intel.com>
181         PR testsuite/25741
182         * Makefile.in (check-%): Depend on site.exp instead of
183         $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
184         directories.
186 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
188         * global.c (global_alloc): Make it static.
189         * rtl.h: Remove the prototype for global_alloc.
191 2006-01-16  Richard Guenther  <rguenther@suse.de>
193         * tree-ssa-alias.c (struct used_part): Add write_only field.
194         (get_or_create_used_part_for): Initialize it to true.
195         (create_overlap_variables_for): Don't create structure variables
196         for structures that only are written to.
197         (find_used_portions): Handle MODIFY_EXPR to track whether a
198         structure is only written to.
200 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
202         * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
203         static.
204         * basic-block.h: Remove the prototype for
205         partition_hot_cold_basic_blocks.
207 2006-01-16  Rafael �Ã�vila de Esp�Ã�­ndola <rafael.espindola@gmail.com>
209         * cppspec.c (lang_specific_spec_functions): remove
210         * gcc.c (lookup_spec_function): use static_spec_functions directelly
211         * gcc.h (lang_specific_spec_functions): remove
212         * gccspec.c (lang_specific_spec_functions): remove
214 2005-01-16  Paolo Bonzini  <bonzini@gnu.org>
216         * combine.c (record_value_for_reg): Invalidate registers
217         if INSN is null.
218         (record_dead_and_set_regs_1): Likewise, by passing them to
219         record_value_for_reg.
220         (record_dead_and_set_regs): Invalidate stores made by a
221         call.  We do not combine across a call, but we still
222         relied on equivalences.
224 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
226         * tree-vrp.c (extract_range_from_binary_expr): Cope with
227         vrp_int_const_binop returning non-constant nodes.
229 2006-01-16  Paul Brook  <paul@codesourcery.com>
231         * config/m68k/m68k.c (output_move_const_into_data_reg):
232         Output correct mnemonic for mvz and mvs.
234 2006-01-16  Gabor Loki  <loki@gcc.gnu.org>
236         * rtl-factoring.c: Add sequence abstraction algorithm.
237         * cfgcleanup.c (outgoing_edges_match): Extra checks.
238         (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
239         ABNORMAL edges.
240         (block_has_preserve_label): New function.
241         * common.opt: Register new pass.
242         * Makefile.in: Ditto.
243         * passes.c: Ditto.
244         * timevar.def: Ditto.
245         * tree-pass.h: Ditto.
246         * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
247         * rtl.h (make_jump_insn_raw): Add forward decl.
248         * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
250 2006-01-16  Eric Botcazou  <ebotcazou@adacore.com>
251             Roger Sayle  <roger@eyesopen.com> 
253         * fold-const.c (fold_minmax): New static function.
254         (fold_binary) <MIN_EXPR>: Call it.
255         <MAX_EXPR>: Likewise.
256         * stor-layout.c (place_field): Use DECL_SIZE consistently
257         in the computation of the new record size.
259 2006-01-16  Kazu Hirata  <kazu@codesourcery.com>
261         * cse.c (cse_condition_code_reg): Make it static.
262         * rtl.h: Remove the prototype for cse_condition_code_reg.
264         * combine.c (combine_instructions): Make it static.
265         * rtl.h: Remove the prototype for combine_instructions.
267 2006-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
269         PR target/25168
270         * tree.c (get_file_function_name_long): Concatenate the first global
271         object name with a string derived from the input filename of the object
272         for type "F".
274 2006-01-16  Ben Elliston  <bje@au.ibm.com>
276         * config/i386/winnt-stubs.c: Update FSF address.
277         * config/xtensa/ieee754-df.S: Ditto.
278         * config/xtensa/ieee754-sf.S: Ditto.
280 2006-01-14  Ian Lance Taylor  <ian@airs.com>
282         * ifcvt.c (noce_init_if_info): New static function, broken out of
283         noce_process_if_block.
284         (noce_process_if_block): Call noce_init_if_info.
285         (check_cond_move_block): New static function.
286         (cond_move_process_if_block): New static function.
287         (process_if_block): Call cond_move_process_if_block.
289 2006-01-15  Kazu Hirata  <kazu@codesourcery.com>
291         * cselib.c (hash_table): Rename to cselib_hash_table.
292         (cselib_clear_table, discard_useless_values,
293         remove_useless_values, cselib_lookup_mem, cselib_lookup,
294         cselib_init, cselib_finish): Adjust uses of hash_table.
296 2006-01-14  Kazu Hirata  <kazu@codesourcery.com>
298         PR tree-optimization/25485
299         * tree-vrp.c (extract_range_from_binary_expr): Handle cases
300         where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
301         is known to be false and true, respectively.
303 2006-01-14  Richard Guenther  <rguenther@suse.de>
305         PR tree-optimization/22548
306         PR tree-optimization/22555
307         PR tree-optimization/22501
308         * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
309         * params.def (salias-max-array-elements): New parameter.
310         * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
311         * doc/invoke.texi (salias-max-array-elements): Document.
312         * tree-flow-inline.h (var_can_have_subvars): We also handle
313         arrays now.
314         * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
315         COMPONENT_REF.
316         * tree-ssa-structalias.c (params.h): Include.
317         (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
318         (find_func_aliases): Handle multiple constraints from ARRAY_REF.
319         (get_constraint_for): For ADDR_EXPR operating on something
320         containing an ARRAY_REF, add all subvars to the solution.
321         (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
322         * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
323         for creating MUST_DEFs.
324         (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
326 2006-01-14  Zdenek Dvorak <dvorakz@suse.cz>
328         * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
329         functions.
330         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
331         assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
332         number_of_iterations_le): New functions.
333         (number_of_iterations_special): Removed.
334         (number_of_iterations_exit): Do not use number_of_iterations_special.
335         * tree.c (unsigned_type_for): Always return integer type.
337 2006-01-14  Steven Bosscher  <stevenb.gcc@gmail.com>
338         Richard Guenther  <rguenther@suse.de>
340         PR rtl-optimization/24257
341         * gcse.c (find_moveable_store): Only consider a store movable
342         when the SET_SRC of the insn can be assigned to a register.
344 2006-01-14  Ian Lance Taylor  <ian@airs.com>
346         * tree.c (tree_not_class_check_failed): New function.
347         * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
348         (tree_not_class_check_failed): Declare.
350 2006-01-13  Ian Lance Taylor  <ian@airs.com>
352         * reload1.c (do_output_reload): Add assertion rejecting a
353         CALL_INSN.
355 2006-01-13  Adam Nemet  <anemet@caviumnetworks.com>
357         * combine.c (struct reg_stat): Add new fields truncation_label and
358         truncated_to_mode.
359         (record_value_for_reg): Reset truncated_to_mode.
360         (record_truncated_value): New function.
361         (check_promoted_subreg): Call it.  Rename to check_conversions.
362         (combine_instructions): Rename check_promoted_subreg to
363         check_conversions.
364         (reg_truncated_to_mode): New function.
365         (make_extraction): Use it.  Check TRULY_NOOP_TRUNCATION.
366         (gen_lowpart_or_truncate): New function.
367         (force_to_mode): Use it instead of gen_lowpart.
369 2006-01-13  Diego Novillo  <dnovillo@redhat.com>
371         * tree-ssa-alias.c (add_type_alias): Fix typo.  Test whether
372         VAR is a tag, not its type tag.
374 2006-01-13  Alexandre Oliva  <aoliva@redhat.com>
376         * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
377         alternatives to match style of other entries.
378         (*vec_extractv2di_1_sse): Likewise.  Fix mode attr.
380 2006-01-13  Daniel Berlin  <dberlin@dberlin.org>
382         PR tree-optimization/25771
383         * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
384         SSA_NAMES.
386 2006-01-13  Andrew Pinski  <pinskia@physics.uc.edu>
388         PR tree-opt/24365
389         * tree-inline.c (declare_return_variable): If the return variable
390         was marked as a non gimple complex, set the return slot variable
391         to be a non gimple comple variable.
393 2006-01-13  Richard Guenther  <rguenther@suse.de>
395         * builtins.c (expand_builtin_sincos): New function.
396         (expand_builtin_mathfn_3): Remove dead code, sin and cos
397         do not set errno.
398         (expand_builtin): Expand sincos using expand_builtin_sincos.
400 2006-01-12  DJ Delorie  <dj@redhat.com>
402         * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
403         shift counts, separate SI shifts for m32c vs m16c, pass shift type
404         so that constant shifts can be split.
405         * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
406         (m32c_valid_pointer_mode): Make static.
407         (shift_gen_func_for): New.
408         (m32c_prepare_shift): Use it.  Split large const shifts into
409         multiple shifts.
410         * config/m32c/predicates.md (shiftcount_operand): Allow more
411         general operands.
412         (longshiftcount_operand): New.
413         * doc/md.texi (Machine Constraints): Document In6.
415 2006-01-13  Ben Elliston  <bje@au.ibm.com>
417         * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
418         REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
419         documentation.
421 2006-01-12  Daniel Berlin  <dberlin@dberlin.org>
423         * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
424         to try to avoid clobbering pieces of structures when we know
425         something about the whole structure.
426         * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
428 2006-01-13  Ben Elliston  <bje@au.ibm.com>
430         * doc/rtl.texi (Insns): Remove statement that libcalls cannot
431         return in memory, as this is no limitation is no longer present.
433 2006-01-12  DJ Delorie  <dj@redhat.com>
435         * config/m32c/addsub.md (addhi3): Add two more alternatives, for
436         mova with fb, and for fb+0 -> An.
438         * config/m32c/mov.md (peephole2): Fix enabling logic.
440         * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
441         DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
442         DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
443         FINI_ARRAY_SECTION_ASM_OP): Define.
445         * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
446         variable.
447         (m32c_legitimize_reload_address): New logic to reload FB to An.
448         (m32c_output_reg_push): Add newline.
449         (m32c_output_reg_pop): Likewise.
451 2006-01-12  Ulrich Weigand  <uweigand@de.ibm.com>
453         * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
455 2006-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
457         * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
459 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
461         * config/sh/predicates.md (sh_rep_vec): Add parallel to
462         match_code.
464 2006-01-11  Ben Elliston  <bje@au.ibm.com>
466         * rtlanal.c (find_reg_note): Assert insn is not null.
468 2005-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
470         * df-scan.c (df_hard_reg_init): Move declaration of i outside
471         ifdef.
473 2006-01-11  Jeff Law  <law@redhat.com>
475         * tree-ssa-threadupdate.c (threaded_edges): New VEC to
476         hold edge pairs.
477         (mark_threaded_blocks, register_jump_thread): New functions.
478         (thread_through_all_blocks): Remove unwanted argument.  No
479         longer rely on e->aux to communicate thread target info.
480         Call mark_threaded_blocks.  Release the threaded_blocks
481         bitmap and threaded_edges vector when complete.
482         * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
483         (threaded_blocks): Remove.
484         (tree_ssa_dominator_optimize): Remove initialization and
485         finalization of threaded_blocks.  Simplify call to
486         thread_through_all_blocks.
487         (thread_across_edge): Call register_jump_thread rather than
488         storing thread information into e->aux.
489         (free_all_edge_infos): Simplify now that e->aux is no longer
490         used to communicate with thread_through_all_blocks.
491         * tree-flow.h (thread_through_all_blocks): Update prototype.
492         (register_jump_thread): Prototype.
493         
494 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
496         * df-core.c (df_compact_blocks, df_bb_replace): Use
497         SET_BASIC_BLOCK instead of BASIC_BLOCK.
499 2006-01-11  Richard Guenther  <rguenther@suse.de>
501         PR tree-optimization/25734
502         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
503         stop propagation after successful propagation to the LHS.
505 2006-01-11  Kazu Hirata  <kazu@codesourcery.com>
507         * basic-block.h (control_flow_graph): Change the type of
508         x_basic_block_info to VEC(basic_block,gc) *.
509         (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
510         basic_block_info.
511         (SET_BASIC_BLOCK): New.
512         * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
513         instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
514         * cfgbuild.c (find_basic_blocks): Likewise.
515         * cfglayout.c (fixup_reorder_chain): Likewise.
516         * cfgrtl.c (create_basic_block_structure,
517         rtl_create_basic_block): Likewise.
518         * ifcvt.c (find_if_case_1): Likewise.
519         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
520         Likewise.
522 2005-01-11  Kenneth Zadeck <zadeck@naturalbridge.com>
524         * Makefile.in: Removed rotted odf.c entry.
525         
526 2006-01-11  Hans-Peter Nilsson  <hp@axis.com>
528         PR target/25706
529         * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
530         ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
531         ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
532         output pattern modifier, not %e.
533         * config/cris/cris.c (cris_op_str): Update comment about pattern
534         modifier.
535         (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
536         before falling through into...
537         <case 'E'>: Redefined from old 'e' case.
539 2006-01-11  Jan Hubicka  <jh@suse.cz>
541         PR target/25042
542         * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
544 2006-01-11  Jan Hubicka  <jh@suse.cz>
546         * i386.h (TARGET_DECOMPOSE_LEA): Kill.
547         * i386.c (x86_decompose_lea): Kill.
548         (ix86_rtx_costs): Kill.
550 2006-01-11  Jan Hubicka  <jh@suse.cz>
552         * cgraph.c (cgraph_insert_node_to_hashtable): New function.
553         * cgraph.h (cgraph_node): Add inline_decl.
554         (cgraph_insert_node_to_hashtable): Declare.
555         (save_inline_function_body): Declare.
556         * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
557         clones.
558         (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
559         (cgraph_function_versioning): Update call of tree_function_versioning.
560         (save_inline_function_body): New function.
561         * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
562         saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
563         * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
564         (cgraph_default_inline_p): Likewise.
565         (cgraph_decide_inlining_incrementally): Likewise.
566         * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
567         (copy_bb): Kill saving; do updating of clones.
568         (copy_cfg_body): Kill saving.
569         (initialize_inlined-parameters): Likewise.
570         (expand_call_inline): Likewise.
571         (save_body): Kill.
572         (tree_function_versioning): New parameter "update_clones".
573         (inlining_p): Kill saving.
574         * tree-inline.h (tree_function_versioning): Update prototype.
575         * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
576         saving.
578 2006-01-11  Ian Lance Taylor <ian@airs.com>
580         * combine.c (struct undo): Remove is_int.  Enumify types of undos.
581         Allow undoing set of machine mode.
582         (do_SUBST): Use enums instead of is_int.
583         (do_SUBST_MODE): New function.
584         (SUBST_MODE): New macro.
585         (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
586         reg and trying to replace reg_regno_rtx with a new register.
587         (undo_all): Use new enums, handle undoing a PUT_MODE change.
588         (simplify_set): Use SUBST_MODE.
589         (distribute_notes): Remove code that tried to update reg notes
590         for regno_reg_rtx changes.
592 2006-01-11  Paolo Bonzini  <bonzini@gnu.org>
594         PR tree-optimization/23109
595         PR tree-optimization/23948
596         PR tree-optimization/24123
598         * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
599         * tree-cfg.c (single_noncomplex_succ): New.
600         * tree-flow.h (single_noncomplex_succ): Declare it.
601         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
602         * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
603         (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
604         insert_bb, register_division_in, insert_reciprocals,
605         replace_reciprocal, free_bb): New.
606         (execute_cse_reciprocals_1): Rewritten.
607         (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
608         Do not commit any edge insertion.  Always compute dominators and
609         create the allocation pool.
610         * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
611         * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
612         * targhooks.c (default_min_divistions_for_recip_mul): New.
613         * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
614         * passes.c (init_optimization_passes): Run recip after tree loop
615         optimizations.
616         * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
618 2005-01-11  Danny Berlin <dberlin@dberlin.org>
619             Kenneth Zadeck <zadeck@naturalbridge.com>
621         * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
622         DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
623         DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
624         DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
625         DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
626         DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
627         DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
628         DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
629         DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
630         DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
631         DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
632         DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
633         DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
634         DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
635         DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
636         DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
637         DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
638         DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
639         DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
640         DF_SCAN_POST_ALLOC): New macros.
641         (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
642         df_free_bb_function, df_local_compute_function, df_init_function,
643         df_dataflow_function, df_confluence_function_0,
644         df_confluence_function_n, df_transfer_function,
645         df_finalizer_function, df_free_function, df_dump_problem_function,
646         df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
647         df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
648         df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
649         df_urec_bb_info, ) New types.
650         (df_invalidated_by_call, df_all_hard_regs, df_state) New public
651         variables.
652         (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
653         df_analyze_simple_change_some_blocks,
654         df_analyze_simple_change_one_block, df_compact_blocks,
655         df_bb_replace, df_bb_regno_last_use_find,
656         df_bb_regno_first_def_find, df_bb_regno_last_def_find,
657         df_insn_regno_def_p, df_find_def, df_find_use,
658         df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
659         df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
660         df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
661         debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
662         debug_df_chain, df_get_dependent_problem, df_chain_create,
663         df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
664         df_grow_bb_info, df_chain_dump, df_print_bb_index,
665         df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
666         df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
667         df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
668         df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
669         df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
670         df_rescan_blocks, df_ref_create, df_get_artificial_defs,
671         df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
672         df_ref_remove, df_insn_refs_delete, df_refs_delete,
673         df_reorganize_refs, df_set_state, df_hard_reg_init,
674         df_read_modify_subreg_p) New public functions.
675         * df-core.c: The core dataflow solver and glue routines for rtl
676         dataflow.
677         (df_init, df_add_problem, df_set_blocks, df_finish,
678         df_hybrid_search_forward, df_hybrid_search_backward,
679         df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
680         df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
681         df_bb_regno_last_use_find, df_bb_regno_first_def_find,
682         df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
683         df_reg_defined, df_find_use, df_reg_used, df_dump,
684         df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
685         df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
686         debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
687         debug_df_useno, reset_df_after_reload): New functions.
688         * df-scan.c: The scanning fuctions, once in df.c, completely
689         rewritten so that they now fully model the functionality of
690         register usage at the backend.
691         (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
692         df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
693         df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
694         df_grow_insn_info, df_rescan_blocks, df_ref_create,
695         df_get_artificial_defs, df_get_artificial_uses,
696         df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
697         df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
698         df_refs_delete, df_reorganize_refs, df_set_state,
699         df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
700         df_def_record_1, df_defs_record, df_uses_record,
701         df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
702         df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
703         df_record_exit_block_uses, df_hard_reg_init): New functions.
705         * df-problems.c: Seven concrete dataflow problems that use the
706         scanning in df-scan.c and are solved by the engine in df-core.c.
707         (df_get_dependent_problem, df_chain_create, df_chain_unlink,
708         df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
709         df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
710         df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
711         df_ru_free_bb_info, df_ru_alloc,
712         df_ru_bb_local_compute_process_def,
713         df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
714         df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
715         df_ru_transfer_function, df_ru_free, df_ru_dump,
716         df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
717         df_rd_free_bb_info, df_rd_alloc,
718         df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
719         df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
720         df_rd_transfer_function, df_rd_free, df_rd_dump,
721         df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
722         df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
723         df_lr_local_compute, df_lr_init, df_lr_confluence_0,
724         df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
725         df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
726         df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
727         df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
728         df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
729         df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
730         df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
731         df_urec_mark_reg_change, df_urec_check_earlyclobber,
732         df_urec_mark_reg_use_for_earlyclobber,
733         df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
734         df_urec_local_compute, df_urec_init, df_urec_local_finalize,
735         df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
736         df_urec_dump, df_urec_add_problem, df_chain_alloc,
737         df_chain_create_bb_process_use, df_chain_create_bb,
738         df_chain_finalize, df_chain_free, df_chains_dump,
739         df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
740         df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
741         df_reg_lifetime): New functions.
742         * df.c: Deleted file.
743         * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
744         consistent with new df api.
745         * modulo-sched.c (sms_schedule, rest_of_handle_sms,
746         rest_of_handle_sms): Ditto.
747         * web.c (unionfind_union, union_defs, entry_register, web_main):
748         Ditto.
749         * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
750         invariant_expr_equal_p, find_defs, check_dependencies,
751         find_invariant_insn, find_invariants_to_move, move_invariant_reg,
752         free_inv_motion_data, move_loop_invariants): Ditto.
753         * Makefile.in (df.c, df-scan.c df-problems.c df-core.c): 
754         Update dependencies.
755         (odf.c): Added defective entry that was deleted later in day.
756         * sched-deps.c (sched_analyze_1): Ditto.
758 2006-01-11  Zdenek Dvorak <dvorakz@suse.cz>
760         * tree-ssa-operands.c (get_expr_operands): Record addressable
761         variables directly.  Do not call add_stmt_operands for CONST_DECLs
762         and ARRAY_DECLs.
763         (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
764         (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
766 2006-01-11  Ben Elliston  <bje@au.ibm.com>
768         * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
769         function returns true in the positive case.
771 2006-01-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
773         PR target/20754
774         * config/pa/pa.md: Create separate 32 and 64-bit move patterns
775         for SI, DI, SF and DF modes.  Add alternatives to copy between
776         general and floating point registers to the 32-bit patterns.
777         * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
778         * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
779         (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
780         generating 64-bit code.
781         * config/pa/pa.c (output_move_double): Handle copies between general
782         and floating registers.
784 2006-01-10  Stuart Hastings  <stuart@apple.com>
786         * config/i386/i386.md (set_got): Update.
787         (set_got_labelled): New.  (UNSPEC_LD_MPIC): New.
788         (builtin_setjmp_receiver): Mach-O support.
789         * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
790         (GOT_SYMBOL_NAME): Define.
791         (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
792         (TARGET_DEEP_BRANCH_PREDICTION): Remove.
793         * config/i386/i386.c (override_options): Revise for Darwin.
794         (USE_HIDDEN_LINKONCE): Enable for Mach-O.  (ix86_file_end): Mach-O
795         support.  (darwin_x86_file_end): New.  (output_set_got): Add label
796         parameter, revise for Mach-O.  (x86_output_mi_thunk): Likewise.
797         * config/i386/i386-protos.h (output_set_got): Likewise.
798         * config/darwin.c (machopic_legitimize_pic_address): Update
799         regs_ever_live[].
801 2006-01-10  Kaz Kojima  <kkojima@gcc.gnu.org>
803         * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
804         when MODE isn't BLKmode.
806 2006-01-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
808         PR rtl-optimization/25367
809         * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
811 2006-01-10  Hans-Peter Nilsson  <hp@axis.com>
813         PR target/25718
814         * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
815         for a negative bound.
817 2006-01-10  Richard Guenther  <rguenther@suse.de>
819         * tree-ssa-structalias.c (get_constraint_for_component_ref):
820         Never override with anything constraint.
822 2006-01-10  Jan Beulich  <jbeulich@novell.com>
824         * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
825         256 bits when optimize_size.
827 2006-01-10  Jan Beulich  <jbeulich@novell.com>
829         * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
830         MASK_ALIGN_DOUBLE.
831         * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
832         * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
833         arguments.
835 2006-01-10  Ben Elliston  <bje@au.ibm.com>
837         * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
838         float modes.
839         * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
840         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
841         (USE_FP_FOR_ARG): Reject decimal float modes.
842         (function_arg_advance): Likewise.
843         (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
844         (rs6000_handle_altivec_attribute): Do not permit decimal floating
845         point types in AltiVec vectors.
846         (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
847         (rs6000_libcall_value): Likewise.
849 2006-01-09  Bob Wilson  <bob.wilson@acm.org>
851         * config/xtensa/ieee754-df.S: New file.
852         * config/xtensa/ieee754-sf.S: New file.
853         * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
854         (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
855         * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
857 2006-01-09  Kazu Hirata  <kazu@codesourcery.com>
859         * config/sh/predicates.md (binary_float_operator,
860         binary_logical_operator, commutative_float_operator,
861         equality_comparison_operator, greater_comparison_operator,
862         less_comparison_operator, logical_operator,
863         noncommutative_float_operator, shift_operator,
864         symbol_ref_operand, unary_float_operator): Remove redundant
865         conditionals.
867 2006-01-09  Jeff Law  <law@redhat.com>
869         * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
870         code to propagate the RHS of a cast into COND_EXPR_COND.  Remove
871         now unused arguments.  Callers updated.
872         (eliminate_redundant_computations): Remove now unused arguments,
873         callers updated.
874         (local_fold): Remove, no longer used.
875         (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
876         and moved to...
877         * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
878         (simplify_cond): New function.
879         (forward_propagate_into_cond): Call simplify_cond.
881 2006-01-09  Alexandre Oliva  <aoliva@redhat.com>
883         * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
884         (*vec_extractv2di_1_sse): New.
886 2006-01-09  Ben Elliston  <bje@au.ibm.com>
888         * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
890 2006-01-08  Richard Guenther  <rguenther@suse.de>
892         * tree-ssa-structalias.c (get_constraint_for): Remove
893         anyoffset argument.
894         (get_constraint_for_component_ref): Likewise.
895         (do_deref): Likewise.
896         (get_constraint_for): Likewise.
897         (do_structure_copy): Likewise.
898         (handle_ptr_arith): Likewise.
899         (find_func_aliases): Likewise.  Remove unused need_anyoffset
900         variable.
902 2006-01-08  J"orn Rennecke  <joern.rennecke@st.com>
903             Kaz Kojima  <kkojima@gcc.gnu.org>
905         * config/sh/sh.h (CONST_OK_FOR_K16): Define.
906         (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
907         (EXTRA_CONSTRAINT_C16): Remove.
908         (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
909         (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
910         EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
911         * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
912         constants of SHmedia.  Handle nested constant expressions of
913         SHmedia correctly.
914         (andcosts): Fix the costs for SHmedia constants.
915         (sh_rtx_costs): Take account of outer_code for SHmedia constants.
916         * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
917         (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
918         (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
919         (movv4hi_i, movv2si_i): Likewise.
920         (movsi_const): Adjust the second operand of ior so to match with
921         the Csu constraint.
922         (movdi_const, movdi_const_32bit): Likewise.
923         (movdi_const_16bit+1): Don't sign-extend LOW.
924         (movdi_const_16bit+2): Likewise.  Remove the zero_extend and truncate
925         step.
926         (*double_shori): Fix the split condition.  Use GEN_INT instead
927         of get_int_mode calls.  Mask lower 16-bit of the argument of
928         the last GEN_INT.
929         (sym2GOTPLT): Remove.
930         (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
931         gen_rtx_UNSPEC.
932         * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
933         instead of EXTRA_CONSTRAINT_C16.
935 2006-01-07  Ian Lance Taylor  <ian@airs.com>
936             David Edelsohn  <edelsohn@gnu.org>
938         PR rtl-optimization/25662
939         * optabs.c (simplify_expand_binop): Use simplify_binary_operation
940         for constant operands instead of simplify_gen_binary.
941         * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
942         after trying simplify_binary_operation
944 2006-01-06  Daniel Berlin  <dberlin@dberlin.org>
946         * tree.c (iterative_hash_expr): Hash decls based on UID.
948 2006-01-06  Eric Christopher  <echristo@apple.com>
950         * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
951         (TARGET_UNWIND_EMIT): Fix spelling.
952         * target.h (gcc_target): Add except_table_label.
953         * except.c (output_function_exception_table): Use.
954         * varasm.c (default_emit_except_table_label): New.
955         * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
956         define.
957         (asm_out): Add here.
958         * output.h (default_emit_except_table_label): Prototype.
959         * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
960         * config/darwin.c (darwin_emit_except_table_label): Define.
961         * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
963 2006-01-06  Zdenek Dvorak <dvorakz@suse.cz>
965         PR tree-optimization/18527
966         * tree-ssa-loop-niter.c (number_of_iterations_cond,
967         number_of_iterations_special, number_of_iterations_exit):
968         Move base and step of an iv to a single structure.  Add
969         no_overflow flag, and use it in # of iterations analysis.
970         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
971         folded_casts argument.
972         (simple_iv): Pass base and step in a structure.  Set no_overflow
973         flag.
974         (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
975         Evaluate expensiveness of computing # of iterations instead of
976         the final expression.
977         * tree-scalar-evolution.h (affine_iv): New structure.
978         (simple_iv): Declaration changed.
979         * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
980         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
981         find_givs_in_stmt): Changed due to simple_iv change.
983 2006-01-06  Jeff Law  <law@redhat.com>
985         PR ada/24994
986         * tree-cfg.c (bsi_replace): Rename final argument from
987         PRESERVE_EH_INFO to UPDATE_EH_INFO.  Fix typo in last
988         change (stmt -> orig_stmt).
989         * tree-eh.c (verify_eh_throw_stmt_node): New function.
990         (bsi_remove): Add new argument.  Remove EH information
991         if requested.
992         (verify_eh_throw_table_statements): New function.
993         (bsi_remove): Add new argument REMOVE_EH_INFO.  All callers
994         updated.
995         * tree-optimize.c (execute_free_cfg_annotations): Verify
996         the EH throw statement table after removing annotations.
997         * except.h (verify_eh_throw_table_statements): Prototype.
998         * tree-flow.h (bsi_remove): Update prototype.
999         * tree-vrp.c (remove_range_assertions): Add new argument to
1000         bsi_remove call.
1001         * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
1002         * tree-complex.c (expand_complex_div_wide): Likewise.
1003         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
1004         * tree-tailcall.c (eliminate_tailcall): Likewise.
1005         * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
1006         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
1007         * tree-nrv.c (tree_nrv): Likewise.
1008         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
1009         * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
1010         (combine_blocks): Likewise.
1011         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
1012         * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
1013         (cleanup_control_flow): Likewise.
1014         (remove_forwarder_block): Likewise.
1015         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
1016         * tree-sra.c (sra_replace): Likewise.
1017         * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
1018         (forward_propagate_single_use_vars): Likewise.
1019         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
1020         * tree-inline.c (expand_call_inline): Likewise.
1021         * tree-vect-transform.c (vect_transform_loop): Likewise.
1022         * tree-outof-ssa.c (rewrite_trees): Likewise.
1023         * tree-cfg.c (make_goto_expr_edges): Likewise.
1024         (cleanup_dead_labels): Likewise.
1025         (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
1026         (bsi_move_before, bsi_move_after): Likewise.
1027         (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
1028         (tree_redirect_edge_and_branch, tree_split_block): Likewise.
1030 2006-01-06  Andrew Pinski  <pinskia@physics.uc.edu>
1032         PR tree-opt/25528
1033         * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
1034         and IMAGPART_EXPR.
1035         * tree-flow-inline.h (var_can_have_subvars): Handle complex types
1036         on non gimple variables.  Also add checks at the top for decls and
1037         mtags.
1038         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
1039         complex types.
1040         * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
1041         and IMAGPART_EXPR for creating MUST_DEFs.
1042         (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
1043         and NAME_MEMORY_TAG separately from the DECLs.
1045 2006-01-06  Richard Guenther  <rguenther@suse.de>
1047         * tree-dfa.c (mark_new_vars_to_rename): Create stmt
1048         annotation, if necessary.
1049         * tree-ssa-pre.c (create_expression_by_pieces): Remove
1050         redundant calls to update_stmt.
1051         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
1052         Likewise.
1054 2006-01-05  Richard Henderson  <rth@redhat.com>
1056         * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
1058 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
1060         * c-typeck.c: Update copyright date.
1062 2006-01-05  Carlos O'Donell  <carlos@codesourcery.com>
1064         * c-typeck.c (build_c_cast): Always warn when casting
1065         from a pointer to an integer of different size, even if
1066         the node was constant.
1068 2006-01-05  Richard Guenther  <rguenther@suse.de>
1070         PR tree-optimization/22555
1071         * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
1072         if one structure field is an array.
1073         * tree-ssa-operands.c (get_expr_operands): Continue scanning
1074         operands even if we found a subvar, but ignore VOPs in this
1075         case.
1076         * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
1077         for renaming.
1078         * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
1080 2006-01-05  Richard Earnshaw  <rearnsha@arm.com>
1082         PR middle-end/24998
1083         * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
1085 2006-01-05  Richard Guenther  <rguenther@suse.de>
1086             Diego Novillo  <dnovillo@redhat.com>
1088         * tree-pass.h (TODO_remove_unused_locals): Define.
1089         * gimple-low.c (expand_var_p, remove_useless_vars,
1090         pass_remove_useless_vars): Remove.  Update all users.
1091         * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
1092         (remove_unused_locals): New function.
1093         * tree-flow.h (remove_unused_locals): Declare.
1094         * passes.c (execute_todo): Call remove_unused_locals if
1095         TODO_remove_unused_locals is set.
1096         * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
1097         * tree-ssa-dce.c (pass_dce): Likewise.
1098         * tree-outof-ssa.c (pass_del_ssa): Likewise.
1100 2006-01-05  Richard Guenther  <rguenther@suse.de>
1102         * tree-flow.h (struct fieldoff): Decompose field to
1103         type, size and decl.
1104         * tree-ssa-alias.c (create_sft): Take type as parameter.
1105         (create_overlap_variables_for): Store type, size and decl
1106         in the fieldoff structure.
1107         * tree-ssa-structalias.c (fieldoff_compare): Adjust users
1108         of struct fieldoff.
1109         (push_fields_onto_fieldstack): Likewise.
1110         (create_variable_info_for): Likewise.  Use offset for the
1111         SFT name if the decl is not available.
1113 2006-01-04  Paul Brook  <paul@codesourcery.com>
1115         * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
1117 2006-01-04  Daniel Berlin  <dberlin@dberlin.org>
1119         * lambda-code.c (can_put_in_inner_loop): Relax
1120         restrictions.
1121         (can_put_after_inner_loop): New function.
1122         (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
1123         (perfect_nestify): Change to make copies and modify uses.
1125 2006-01-04  Richard Henderson  <rth@redhat.com>
1127         Merge from gomp branch:
1128         * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
1129         via integer constant.
1130         (pragma_lex): Remove.
1131         * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
1132         rather than parsing it.
1133         * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
1134         handle_pragma_extern_prefix): Add %< %> quotes.
1135         (registered_pragmas): New.
1136         (c_register_pragma_1): New.
1137         (c_register_pragma): Use it.
1138         (c_register_pragma_with_expansion): Likewise.
1139         (c_invoke_pragma_handler): New.
1140         (init_pragma): Use cpp_register_deferred_pragma directly for
1141         pch_preprocess.
1142         * c-pragma.h (enum pragma_kind): New.
1143         (pragma_handler): New.
1144         (c_invoke_pragma_handler): Declare.
1145         * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
1146         CPP_PRAGMA_EOL.
1147         * c-common.h (c_common_pch_pragma): Update decl.
1148         * Makefile.in (c-parser.o): Update dependencies.
1149         (GTFILES): Add c-pragma.h.
1150         * c-parser.c (struct c_token): Add pragma_kind.
1151         (struct c_parser): Add in_pragma.
1152         (c_lex_one_token): Always initialize keyword and pragma_kind.
1153         Extract data for CPP_PRAGMA.
1154         (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
1155         (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
1156         Don't allow CPP_PRAGMA_EOL if in_pragma.
1157         (c_parser_consume_pragma): New.
1158         (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
1159         (c_parser_skip_to_end_of_parameter): Likewise.
1160         (c_parser_skip_to_end_of_block_or_statement): Likewise.
1161         (c_parser_skip_to_pragma_eol): New.
1162         (c_parser_external_declaration): Handle CPP_PRAGMA.
1163         (c_parser_compound_statement_nostart): Likewise.
1164         (c_parser_statement_after_labels): Likewise.
1165         (c_parser_pragma): New.
1166         (pragma_lex): Likewise.
1167         (c_parser_pragma_pch_preprocess): New.
1168         (c_parser_new): Merge into ...
1169         (c_parse_file): ... here.  Call c_parser_pragma_pch_preprocess.
1171 2006-01-04  Jeff Law  <law@redhat.com>
1173         PR ada/24994
1174         * tree-cfg.c (bsi_replace): Remove the original statement
1175         from the EH throw statement table.
1177 2006-01-04  Jakub Jelinek  <jakub@redhat.com>
1179         * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
1180         make the prototype extern "C" and add throw ().
1182         PR target/25554
1183         * config/i386/i386.md (testqi_ext_3): Ensure len is positive
1184         and pos non-negative and pos + len <= 32.
1185         (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
1186         drop pos + len < HOST_BITS_PER_WIDE_INT test.
1187         (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
1189         PR c/25559
1190         * c-common.c (handle_vector_size_attribute): Reject zero vector size
1191         as well as sizes not multiple of component size.
1193         PR debug/25562
1194         * function.c (instantiate_expr): New function.
1195         (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
1196         walk its DECL_VALUE_EXPR with instantiate_expr.
1198         * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
1199         DW_OP_deref{,_size} if address isn't going to be added.
1201 2006-01-04  Ben Elliston  <bje@au.ibm.com>
1203         * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
1204         * config/fp-bit.c: Likewise.
1206 2006-01-03  Daniel Berlin  <dberlin@dberlin.org>
1208         * dominance.c: Add comment about why we use DFS numbering
1209         of dominance tree.
1211 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
1212             Richard Henderson  <rth@redhat.com>
1214         Merge from gomp-branch:
1215         * varasm.c (assemble_variable): Handle thread-local COMMON data.
1216         * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
1218 2006-01-03  Paolo Bonzini  <bonzini@gnu.org>
1220         PR rtl-optimization/25578
1221         * combine.c (combine_simplify_rtx, force_to_mode): Don't
1222         pass a parameter to simplify_shift_const if changing ASHIFTRT
1223         to LSHIFTRT.
1225 2006-01-03  Adrian Straetling  <straetling@de.ibm.com>
1227         * builtins.c (get_builtin_sync_mem): New function.
1228         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
1229         expand_builtin_lock_test_and_set, expand_builtin_lock_release):
1230         Call get_builtin_sync_mem to generate mem rtx.
1232 2006-01-03  Richard Guenther  <rguenther@suse.de>
1234         PR c/25183
1235         * stmt.c (add_case_node): Make sure to clear overflow flags
1236         from ranges.
1238 2006-01-03  Jakub Jelinek  <jakub@redhat.com>
1240         Merge from gomp-branch.
1241         * config/sparc/sync.md: New file.
1242         * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
1243         UNSPECV_LDSTUB): New constants.
1244         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
1245         * config/sparc/predicates.md (memory_reg_operand): New predicate.
1246         * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
1247         prototype.
1249 2006-01-03  Roger Sayle  <roger@eyesopen.com>
1251         * combine.c (reg_subword_p): New predicate to test whether the
1252         destination of a set refers to a subword/piece of a register.
1253         (try_combine): Generalize the code to merge the setting of a
1254         pseudo to a constant followed by a set of a subword of that
1255         register to a constant.
1257 2006-01-03  Kazu Hirata  <kazu@codesourcery.com>
1259         * basic-block.h (control_flow_graph): Change the type of
1260         x_label_to_block_map to VEC(basic_block,gc) *.
1261         * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
1262         set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
1264         * tree-ssa-propagate.c (cfg_blocks): Change the type to
1265         VEC(basic_block,heap) *.
1266         (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
1267         ssa_prop_fini): Adjust the uses of cfg_blocks.
1269 2006-01-03  Steven Bosscher  <stevenb.gcc@gmail.com>
1271         * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
1272         COMPONENT_REFs.
1273         * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
1274         hashing trees instead of a pointer hash.
1275         (mem_attrs_htab_eq): Do a deep compare instead of a pointer
1276         compare for MEM_EXPR.
1278         PR rtl-optimization/25130
1279         * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
1280         when comparing MEMs for GCSE
1282 2006-01-03  Ben Elliston  <bje@au.ibm.com>
1284         * targhooks.h (default_decimal_float_supported_p): Declare.
1285         * targhooks.c (default_decimal_float_supported_p): Define.
1286         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
1287         `default_decimal_float_supported_p'.
1288         * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
1290 2006-01-02  Adam Nemet  <anemet@caviumnetworks.com>
1292         * combine.c (apply_distributive_law <SUBREG>): Check
1293         TRULY_NOOP_TRUNCATION.
1295 2006-01-02  Geoffrey Keating  <geoffk@apple.com>
1297         * dwarf2out.c (have_switched_text_section): Delete.
1298         (have_multiple_function_sections): New.
1299         (have_location_lists): Make 'bool'.
1300         (add_AT_loc_list): Use 'true' not '1'.
1301         (dwarf2out_switch_text_section): Set have_multiple_function_sections.
1302         (output_loc_list): Use have_multiple_function_sections.
1303         (output_ranges): Likewise.
1304         (dwarf2out_begin_function): Set have_multiple_function_sections if
1305         necessary.
1306         (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
1307         Check function_section rather than DECL_SECTION_NAME.
1308         (dwarf2out_finish): Use have_multiple_function_sections.
1309         Don't clear have_location_lists.
1311 2006-01-02  Eric Botcazou  <ebotcazou@adacore.com>
1312             Jan Hubicka  <jh@suse.cz>
1314         * cfglayout.c (fixup_reorder_chain): Remove kludge for the
1315         case of conditional jump jumping to the next instruction.
1316         * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
1317         cases of conditional jump jumping to the next instruction.
1319 2006-01-02  Jan Hubicka  <jh@suse.cz>
1321         * i386.c (*_cost): Add COSTS_N_INSNS.
1322         (ix86_rtx_costs): Do not use COSTS_N_INSNS.
1324 2006-01-02  Paolo Bonzini  <bonzini@gnu.org>
1326         PR target/25259
1327         * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
1329 2006-01-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1331         * config/arm/arm.c (all_fpus): Fix comment typo.
1332         * config/darwin.c: Likewise.
1333         * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
1334         * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
1335         * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
1337 2006-01-01  David Edelsohn  <edelsohn@gnu.org>
1339         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
1340         (rs6000_split_compare_and_swapqhi): New.
1341         * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
1342         (sync_compare_and_swapqhi_internal): New.
1343         * config/rs6000/rs6000-protos.h: Declare.