1 2006-01-18 Philippe De Muyter <phdm@macqel.be>
3 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
6 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8 * rtlanal.c (global_reg_mentioned_p_1,
9 global_reg_mentioned_p): Remove.
10 * rtl.h: Remove the prototype for global_reg_mentioned_p.
12 * flow.c (initialize_uninitialized_subregs): Make it static.
13 * rtl.h: Remove the prototype for
14 initialize_uninitialized_subregs.
16 * function.c (instantiate_virtual_regs): Make it static.
17 * function.h: Remove the prototype for
18 instantiate_virtual_regs.
20 * regmove.c (regmove_optimize, combine_stack_adjustments):
22 * rtl.h: Remove the prototypes for regmove_optimize and
23 combine_stack_adjustments.
25 2006-01-17 Roger Sayle <roger@eyesopen.com>
27 * config/i386/i386.c (COSTS_N_BYTES): New macro.
28 (size_cost): Encode costs in bytes so that a reg-reg addition is
29 equivalent to COSTS_N_INSNS(1).
30 (override_options): Use the size_cost.branch_cost as the default
31 ix86_branch_cost when optimizing for size.
33 2006-01-18 Ben Elliston <bje@au.ibm.com>
35 * Makefile.in (D32PBIT_FUNCS): New.
36 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
37 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
38 D64PBIT_FUNCS and D128PBIT_FUNCS.
39 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
40 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
42 (decnumber_dep): Define.
43 * doc/libgcc.texi (Decimal float library routines): New node.
44 * config/dfp-bit.h, config/dfp-bit.c: New files.
46 2006-01-18 Ben Elliston <bje@au.ibm.com>
48 * expr.c (emit_move_change_mode): Always adjust addresses, not
49 just during reload. Copy replacements only during reload.
50 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
51 emit_move_via_integer.
53 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
55 * Makefile.in (check-%, check-consistency): Use $${srcdir}
56 instead of $(srcdir) and ${srcdir}.
58 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
62 * arm.h (struct machine_function): Add pic_reg.
63 * arm.c (arm_pic_register): Make unsigned.
64 (arm_override_options): Only set arm_pic_register if
65 TARGET_SINGLE_PIC_BASE.
66 (use_return_insn): Only test for a pic register if it is fixed.
67 (arm_compute_save_reg0_reg12_mask): Likewise.
68 (thumb_compute_save_reg_mask): Likewise.
69 (legitimate_pic_operand): Factor out some known invariants.
70 (legitimize_pic_address): If we don't have a fixed pic register,
71 then set up a pseudo in the function entry sequence. Handle the
72 pic base being in a pseudo.
73 (arm_load_pic_register): Handle the pic register being in a pseudo.
74 (arm_expand_prologue): Only set up the pic register if it is fixed.
75 (thumb_expand_prologue): Likewise.
76 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
77 (pic_load_addr_based_insn): Likewise.
78 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
81 2006-01-18 Ben Elliston <bje@au.ibm.com>
83 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
84 decimal float modes for all floating point registers.
86 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
87 match_code "mem" with match_test "macho_lo_sum_memory_operand".
89 2006-01-17 Jakub Jelinek <jakub@redhat.com>
92 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
93 even when the pointer is not NULL.
95 2006-01-16 Ian Lance Taylor <ian@airs.com>
97 * common.opt (ftoplevel-reorder): New option.
98 * cgraph.c (cgraph_asm_nodes): New global variable.
99 (cgraph_asm_last_node): New static variable.
100 (cgraph_order): New global variable.
101 (cgraph_create_node): Set new order field.
102 (cgraph_varpool_node): Likewise.
103 (decide_is_variable_needed): Return true if not
104 flag_toplevel_reorder.
105 (cgraph_add_asm_node): New function.
106 * cgraph.h (struct cgraph_node): Add order field.
107 (struct cgraph_varpool_node): Add order field.
108 (struct cgraph_asm_node): Define.
109 (cgraph_asm_nodes, cgraph_order): Declare.
110 (cgraph_add_asm_node): Declare.
111 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
113 (cgraph_varpool_assemble_pending_decls): Call it.
114 (cgraph_output_pending_asms): New static function.
115 (cgraph_finalize_compilation_unit): Call it.
116 (struct cgraph_order_sort): Define.
117 (cgraph_output_in_order): New static function.
118 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
119 !flag_toplevel_reorder case.
120 * c-parser.c: Include "cgraph.h".
121 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
123 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
124 than -fno-unit-at-a-time.
125 * doc/invoke.texi (Option Summary): Mention
126 -fno-toplevel-reorder.
127 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
128 -funit-at-a-time documentation.
130 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
131 Kazu Hirata <kazu@codesourcery.com>
133 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
135 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
137 * Makefile.in (FUNCTION_H): New. Use it instead of
138 function.h throughout the file.
139 * function.h: Include tree.h.
141 2006-01-17 Ben Elliston <bje@au.ibm.com>
143 * recog.c: Separate some functions with whitespace.
145 2006-01-16 Richard Henderson <rth@redhat.com>
147 Merge from gomp branch:
148 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
149 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
150 and rename from struct inline_data. Rename callee* to dst*;
151 caller* to src*; add copy_decl hook, transform_call_graph_edges,
152 transform_new_cfg, transform_return_to_modify, and
153 transform_lang_insert_block flags; remove cloning_p, versioning_p,
155 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
156 (copy_decl_for_dup): Remove.
157 * tree-inline.c (struct inline_data): Move to header.
158 (insert_decl_map): Export.
159 (remap_decl): Update for member name changes. Use copy_decl hook.
160 Allow for replacement to be a non-decl. Remove dead code.
161 (remap_type_1): Check for existing mapping.
162 (remap_type): Export.
163 (remap_decls): Update for member name changes.
164 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
165 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
166 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
167 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
168 (tree_function_versioning, build_duplicate_type): Likewise.
169 (copy_body_r): Likewise. Export.
170 (copy_decl_for_dup): Split into ...
171 (copy_decl_for_dup_finish, copy_decl_to_var,
172 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
173 (replace_ref_tree, inlining_p): Remove.
175 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
177 * ifcvt.c (if_convert): Make it static.
178 * rtl.h: Remove the prototype for if_convert.
180 * local-alloc.c (local_alloc): Make it static.
181 * rtl.h: Remove the prototype for local_alloc.
183 * loop.c (loop_optimize): Make it static.
184 * cfgloop.h: Remove the prototype for loop_optimize.
187 2006-01-16 DJ Delorie <dj@redhat.com>
189 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
192 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
194 * pa.md: Disparage copies between general and floating-point registers
195 in 32-bit move patterns.
197 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
200 * Makefile.in (check-%): Depend on site.exp instead of
201 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
204 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
206 * global.c (global_alloc): Make it static.
207 * rtl.h: Remove the prototype for global_alloc.
209 2006-01-16 Richard Guenther <rguenther@suse.de>
211 * tree-ssa-alias.c (struct used_part): Add write_only field.
212 (get_or_create_used_part_for): Initialize it to true.
213 (create_overlap_variables_for): Don't create structure variables
214 for structures that only are written to.
215 (find_used_portions): Handle MODIFY_EXPR to track whether a
216 structure is only written to.
218 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
220 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
222 * basic-block.h: Remove the prototype for
223 partition_hot_cold_basic_blocks.
225 2006-01-16 Rafael
\81Ã
\81vila de Esp
\81Ã
\81ndola <rafael.espindola@gmail.com>
227 * cppspec.c (lang_specific_spec_functions): remove
228 * gcc.c (lookup_spec_function): use static_spec_functions directelly
229 * gcc.h (lang_specific_spec_functions): remove
230 * gccspec.c (lang_specific_spec_functions): remove
232 2005-01-16 Paolo Bonzini <bonzini@gnu.org>
234 * combine.c (record_value_for_reg): Invalidate registers
236 (record_dead_and_set_regs_1): Likewise, by passing them to
237 record_value_for_reg.
238 (record_dead_and_set_regs): Invalidate stores made by a
239 call. We do not combine across a call, but we still
240 relied on equivalences.
242 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
244 * tree-vrp.c (extract_range_from_binary_expr): Cope with
245 vrp_int_const_binop returning non-constant nodes.
247 2006-01-16 Paul Brook <paul@codesourcery.com>
249 * config/m68k/m68k.c (output_move_const_into_data_reg):
250 Output correct mnemonic for mvz and mvs.
252 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
254 * rtl-factoring.c: Add sequence abstraction algorithm.
255 * cfgcleanup.c (outgoing_edges_match): Extra checks.
256 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
258 (block_has_preserve_label): New function.
259 * common.opt: Register new pass.
260 * Makefile.in: Ditto.
262 * timevar.def: Ditto.
263 * tree-pass.h: Ditto.
264 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
265 * rtl.h (make_jump_insn_raw): Add forward decl.
266 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
268 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
269 Roger Sayle <roger@eyesopen.com>
271 * fold-const.c (fold_minmax): New static function.
272 (fold_binary) <MIN_EXPR>: Call it.
273 <MAX_EXPR>: Likewise.
274 * stor-layout.c (place_field): Use DECL_SIZE consistently
275 in the computation of the new record size.
277 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
279 * cse.c (cse_condition_code_reg): Make it static.
280 * rtl.h: Remove the prototype for cse_condition_code_reg.
282 * combine.c (combine_instructions): Make it static.
283 * rtl.h: Remove the prototype for combine_instructions.
285 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
288 * tree.c (get_file_function_name_long): Concatenate the first global
289 object name with a string derived from the input filename of the object
292 2006-01-16 Ben Elliston <bje@au.ibm.com>
294 * config/i386/winnt-stubs.c: Update FSF address.
295 * config/xtensa/ieee754-df.S: Ditto.
296 * config/xtensa/ieee754-sf.S: Ditto.
298 2006-01-14 Ian Lance Taylor <ian@airs.com>
300 * ifcvt.c (noce_init_if_info): New static function, broken out of
301 noce_process_if_block.
302 (noce_process_if_block): Call noce_init_if_info.
303 (check_cond_move_block): New static function.
304 (cond_move_process_if_block): New static function.
305 (process_if_block): Call cond_move_process_if_block.
307 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
309 * cselib.c (hash_table): Rename to cselib_hash_table.
310 (cselib_clear_table, discard_useless_values,
311 remove_useless_values, cselib_lookup_mem, cselib_lookup,
312 cselib_init, cselib_finish): Adjust uses of hash_table.
314 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
316 PR tree-optimization/25485
317 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
318 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
319 is known to be false and true, respectively.
321 2006-01-14 Richard Guenther <rguenther@suse.de>
323 PR tree-optimization/22548
324 PR tree-optimization/22555
325 PR tree-optimization/22501
326 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
327 * params.def (salias-max-array-elements): New parameter.
328 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
329 * doc/invoke.texi (salias-max-array-elements): Document.
330 * tree-flow-inline.h (var_can_have_subvars): We also handle
332 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
334 * tree-ssa-structalias.c (params.h): Include.
335 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
336 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
337 (get_constraint_for): For ADDR_EXPR operating on something
338 containing an ARRAY_REF, add all subvars to the solution.
339 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
340 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
341 for creating MUST_DEFs.
342 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
344 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
346 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
348 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
349 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
350 number_of_iterations_le): New functions.
351 (number_of_iterations_special): Removed.
352 (number_of_iterations_exit): Do not use number_of_iterations_special.
353 * tree.c (unsigned_type_for): Always return integer type.
355 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
356 Richard Guenther <rguenther@suse.de>
358 PR rtl-optimization/24257
359 * gcse.c (find_moveable_store): Only consider a store movable
360 when the SET_SRC of the insn can be assigned to a register.
362 2006-01-14 Ian Lance Taylor <ian@airs.com>
364 * tree.c (tree_not_class_check_failed): New function.
365 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
366 (tree_not_class_check_failed): Declare.
368 2006-01-13 Ian Lance Taylor <ian@airs.com>
370 * reload1.c (do_output_reload): Add assertion rejecting a
373 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
375 * combine.c (struct reg_stat): Add new fields truncation_label and
377 (record_value_for_reg): Reset truncated_to_mode.
378 (record_truncated_value): New function.
379 (check_promoted_subreg): Call it. Rename to check_conversions.
380 (combine_instructions): Rename check_promoted_subreg to
382 (reg_truncated_to_mode): New function.
383 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
384 (gen_lowpart_or_truncate): New function.
385 (force_to_mode): Use it instead of gen_lowpart.
387 2006-01-13 Diego Novillo <dnovillo@redhat.com>
389 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
390 VAR is a tag, not its type tag.
392 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
394 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
395 alternatives to match style of other entries.
396 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
398 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
400 PR tree-optimization/25771
401 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
404 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
407 * tree-inline.c (declare_return_variable): If the return variable
408 was marked as a non gimple complex, set the return slot variable
409 to be a non gimple comple variable.
411 2006-01-13 Richard Guenther <rguenther@suse.de>
413 * builtins.c (expand_builtin_sincos): New function.
414 (expand_builtin_mathfn_3): Remove dead code, sin and cos
416 (expand_builtin): Expand sincos using expand_builtin_sincos.
418 2006-01-12 DJ Delorie <dj@redhat.com>
420 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
421 shift counts, separate SI shifts for m32c vs m16c, pass shift type
422 so that constant shifts can be split.
423 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
424 (m32c_valid_pointer_mode): Make static.
425 (shift_gen_func_for): New.
426 (m32c_prepare_shift): Use it. Split large const shifts into
428 * config/m32c/predicates.md (shiftcount_operand): Allow more
430 (longshiftcount_operand): New.
431 * doc/md.texi (Machine Constraints): Document In6.
433 2006-01-13 Ben Elliston <bje@au.ibm.com>
435 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
436 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
439 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
441 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
442 to try to avoid clobbering pieces of structures when we know
443 something about the whole structure.
444 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
446 2006-01-13 Ben Elliston <bje@au.ibm.com>
448 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
449 return in memory, as this is no limitation is no longer present.
451 2006-01-12 DJ Delorie <dj@redhat.com>
453 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
454 mova with fb, and for fb+0 -> An.
456 * config/m32c/mov.md (peephole2): Fix enabling logic.
458 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
459 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
460 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
461 FINI_ARRAY_SECTION_ASM_OP): Define.
463 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
465 (m32c_legitimize_reload_address): New logic to reload FB to An.
466 (m32c_output_reg_push): Add newline.
467 (m32c_output_reg_pop): Likewise.
469 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
471 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
473 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
475 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
477 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
479 * config/sh/predicates.md (sh_rep_vec): Add parallel to
482 2006-01-11 Ben Elliston <bje@au.ibm.com>
484 * rtlanal.c (find_reg_note): Assert insn is not null.
486 2005-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
488 * df-scan.c (df_hard_reg_init): Move declaration of i outside
491 2006-01-11 Jeff Law <law@redhat.com>
493 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
495 (mark_threaded_blocks, register_jump_thread): New functions.
496 (thread_through_all_blocks): Remove unwanted argument. No
497 longer rely on e->aux to communicate thread target info.
498 Call mark_threaded_blocks. Release the threaded_blocks
499 bitmap and threaded_edges vector when complete.
500 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
501 (threaded_blocks): Remove.
502 (tree_ssa_dominator_optimize): Remove initialization and
503 finalization of threaded_blocks. Simplify call to
504 thread_through_all_blocks.
505 (thread_across_edge): Call register_jump_thread rather than
506 storing thread information into e->aux.
507 (free_all_edge_infos): Simplify now that e->aux is no longer
508 used to communicate with thread_through_all_blocks.
509 * tree-flow.h (thread_through_all_blocks): Update prototype.
510 (register_jump_thread): Prototype.
512 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
514 * df-core.c (df_compact_blocks, df_bb_replace): Use
515 SET_BASIC_BLOCK instead of BASIC_BLOCK.
517 2006-01-11 Richard Guenther <rguenther@suse.de>
519 PR tree-optimization/25734
520 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
521 stop propagation after successful propagation to the LHS.
523 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
525 * basic-block.h (control_flow_graph): Change the type of
526 x_basic_block_info to VEC(basic_block,gc) *.
527 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
529 (SET_BASIC_BLOCK): New.
530 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
531 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
532 * cfgbuild.c (find_basic_blocks): Likewise.
533 * cfglayout.c (fixup_reorder_chain): Likewise.
534 * cfgrtl.c (create_basic_block_structure,
535 rtl_create_basic_block): Likewise.
536 * ifcvt.c (find_if_case_1): Likewise.
537 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
540 2005-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
542 * Makefile.in: Removed rotted odf.c entry.
544 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
547 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
548 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
549 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
550 output pattern modifier, not %e.
551 * config/cris/cris.c (cris_op_str): Update comment about pattern
553 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
554 before falling through into...
555 <case 'E'>: Redefined from old 'e' case.
557 2006-01-11 Jan Hubicka <jh@suse.cz>
560 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
562 2006-01-11 Jan Hubicka <jh@suse.cz>
564 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
565 * i386.c (x86_decompose_lea): Kill.
566 (ix86_rtx_costs): Kill.
568 2006-01-11 Jan Hubicka <jh@suse.cz>
570 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
571 * cgraph.h (cgraph_node): Add inline_decl.
572 (cgraph_insert_node_to_hashtable): Declare.
573 (save_inline_function_body): Declare.
574 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
576 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
577 (cgraph_function_versioning): Update call of tree_function_versioning.
578 (save_inline_function_body): New function.
579 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
580 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
581 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
582 (cgraph_default_inline_p): Likewise.
583 (cgraph_decide_inlining_incrementally): Likewise.
584 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
585 (copy_bb): Kill saving; do updating of clones.
586 (copy_cfg_body): Kill saving.
587 (initialize_inlined-parameters): Likewise.
588 (expand_call_inline): Likewise.
590 (tree_function_versioning): New parameter "update_clones".
591 (inlining_p): Kill saving.
592 * tree-inline.h (tree_function_versioning): Update prototype.
593 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
596 2006-01-11 Ian Lance Taylor <ian@airs.com>
598 * combine.c (struct undo): Remove is_int. Enumify types of undos.
599 Allow undoing set of machine mode.
600 (do_SUBST): Use enums instead of is_int.
601 (do_SUBST_MODE): New function.
602 (SUBST_MODE): New macro.
603 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
604 reg and trying to replace reg_regno_rtx with a new register.
605 (undo_all): Use new enums, handle undoing a PUT_MODE change.
606 (simplify_set): Use SUBST_MODE.
607 (distribute_notes): Remove code that tried to update reg notes
608 for regno_reg_rtx changes.
610 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
612 PR tree-optimization/23109
613 PR tree-optimization/23948
614 PR tree-optimization/24123
616 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
617 * tree-cfg.c (single_noncomplex_succ): New.
618 * tree-flow.h (single_noncomplex_succ): Declare it.
619 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
620 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
621 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
622 insert_bb, register_division_in, insert_reciprocals,
623 replace_reciprocal, free_bb): New.
624 (execute_cse_reciprocals_1): Rewritten.
625 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
626 Do not commit any edge insertion. Always compute dominators and
627 create the allocation pool.
628 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
629 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
630 * targhooks.c (default_min_divistions_for_recip_mul): New.
631 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
632 * passes.c (init_optimization_passes): Run recip after tree loop
634 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
636 2005-01-11 Danny Berlin <dberlin@dberlin.org>
637 Kenneth Zadeck <zadeck@naturalbridge.com>
639 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
640 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
641 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
642 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
643 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
644 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
645 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
646 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
647 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
648 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
649 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
650 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
651 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
652 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
653 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
654 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
655 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
656 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
657 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
658 DF_SCAN_POST_ALLOC): New macros.
659 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
660 df_free_bb_function, df_local_compute_function, df_init_function,
661 df_dataflow_function, df_confluence_function_0,
662 df_confluence_function_n, df_transfer_function,
663 df_finalizer_function, df_free_function, df_dump_problem_function,
664 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
665 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
666 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
667 df_urec_bb_info, ) New types.
668 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
670 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
671 df_analyze_simple_change_some_blocks,
672 df_analyze_simple_change_one_block, df_compact_blocks,
673 df_bb_replace, df_bb_regno_last_use_find,
674 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
675 df_insn_regno_def_p, df_find_def, df_find_use,
676 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
677 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
678 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
679 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
680 debug_df_chain, df_get_dependent_problem, df_chain_create,
681 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
682 df_grow_bb_info, df_chain_dump, df_print_bb_index,
683 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
684 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
685 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
686 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
687 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
688 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
689 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
690 df_ref_remove, df_insn_refs_delete, df_refs_delete,
691 df_reorganize_refs, df_set_state, df_hard_reg_init,
692 df_read_modify_subreg_p) New public functions.
693 * df-core.c: The core dataflow solver and glue routines for rtl
695 (df_init, df_add_problem, df_set_blocks, df_finish,
696 df_hybrid_search_forward, df_hybrid_search_backward,
697 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
698 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
699 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
700 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
701 df_reg_defined, df_find_use, df_reg_used, df_dump,
702 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
703 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
704 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
705 debug_df_useno, reset_df_after_reload): New functions.
706 * df-scan.c: The scanning fuctions, once in df.c, completely
707 rewritten so that they now fully model the functionality of
708 register usage at the backend.
709 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
710 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
711 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
712 df_grow_insn_info, df_rescan_blocks, df_ref_create,
713 df_get_artificial_defs, df_get_artificial_uses,
714 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
715 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
716 df_refs_delete, df_reorganize_refs, df_set_state,
717 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
718 df_def_record_1, df_defs_record, df_uses_record,
719 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
720 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
721 df_record_exit_block_uses, df_hard_reg_init): New functions.
723 * df-problems.c: Seven concrete dataflow problems that use the
724 scanning in df-scan.c and are solved by the engine in df-core.c.
725 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
726 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
727 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
728 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
729 df_ru_free_bb_info, df_ru_alloc,
730 df_ru_bb_local_compute_process_def,
731 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
732 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
733 df_ru_transfer_function, df_ru_free, df_ru_dump,
734 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
735 df_rd_free_bb_info, df_rd_alloc,
736 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
737 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
738 df_rd_transfer_function, df_rd_free, df_rd_dump,
739 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
740 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
741 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
742 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
743 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
744 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
745 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
746 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
747 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
748 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
749 df_urec_mark_reg_change, df_urec_check_earlyclobber,
750 df_urec_mark_reg_use_for_earlyclobber,
751 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
752 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
753 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
754 df_urec_dump, df_urec_add_problem, df_chain_alloc,
755 df_chain_create_bb_process_use, df_chain_create_bb,
756 df_chain_finalize, df_chain_free, df_chains_dump,
757 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
758 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
759 df_reg_lifetime): New functions.
760 * df.c: Deleted file.
761 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
762 consistent with new df api.
763 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
764 rest_of_handle_sms): Ditto.
765 * web.c (unionfind_union, union_defs, entry_register, web_main):
767 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
768 invariant_expr_equal_p, find_defs, check_dependencies,
769 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
770 free_inv_motion_data, move_loop_invariants): Ditto.
771 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
773 (odf.c): Added defective entry that was deleted later in day.
774 * sched-deps.c (sched_analyze_1): Ditto.
776 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
778 * tree-ssa-operands.c (get_expr_operands): Record addressable
779 variables directly. Do not call add_stmt_operands for CONST_DECLs
781 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
782 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
784 2006-01-11 Ben Elliston <bje@au.ibm.com>
786 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
787 function returns true in the positive case.
789 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
792 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
793 for SI, DI, SF and DF modes. Add alternatives to copy between
794 general and floating point registers to the 32-bit patterns.
795 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
796 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
797 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
798 generating 64-bit code.
799 * config/pa/pa.c (output_move_double): Handle copies between general
800 and floating registers.
802 2006-01-10 Stuart Hastings <stuart@apple.com>
804 * config/i386/i386.md (set_got): Update.
805 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
806 (builtin_setjmp_receiver): Mach-O support.
807 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
808 (GOT_SYMBOL_NAME): Define.
809 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
810 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
811 * config/i386/i386.c (override_options): Revise for Darwin.
812 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
813 support. (darwin_x86_file_end): New. (output_set_got): Add label
814 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
815 * config/i386/i386-protos.h (output_set_got): Likewise.
816 * config/darwin.c (machopic_legitimize_pic_address): Update
819 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
821 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
822 when MODE isn't BLKmode.
824 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
826 PR rtl-optimization/25367
827 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
829 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
832 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
833 for a negative bound.
835 2006-01-10 Richard Guenther <rguenther@suse.de>
837 * tree-ssa-structalias.c (get_constraint_for_component_ref):
838 Never override with anything constraint.
840 2006-01-10 Jan Beulich <jbeulich@novell.com>
842 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
843 256 bits when optimize_size.
845 2006-01-10 Jan Beulich <jbeulich@novell.com>
847 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
849 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
850 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
853 2006-01-10 Ben Elliston <bje@au.ibm.com>
855 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
857 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
858 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
859 (USE_FP_FOR_ARG): Reject decimal float modes.
860 (function_arg_advance): Likewise.
861 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
862 (rs6000_handle_altivec_attribute): Do not permit decimal floating
863 point types in AltiVec vectors.
864 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
865 (rs6000_libcall_value): Likewise.
867 2006-01-09 Bob Wilson <bob.wilson@acm.org>
869 * config/xtensa/ieee754-df.S: New file.
870 * config/xtensa/ieee754-sf.S: New file.
871 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
872 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
873 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
875 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
877 * config/sh/predicates.md (binary_float_operator,
878 binary_logical_operator, commutative_float_operator,
879 equality_comparison_operator, greater_comparison_operator,
880 less_comparison_operator, logical_operator,
881 noncommutative_float_operator, shift_operator,
882 symbol_ref_operand, unary_float_operator): Remove redundant
885 2006-01-09 Jeff Law <law@redhat.com>
887 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
888 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
889 now unused arguments. Callers updated.
890 (eliminate_redundant_computations): Remove now unused arguments,
892 (local_fold): Remove, no longer used.
893 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
895 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
896 (simplify_cond): New function.
897 (forward_propagate_into_cond): Call simplify_cond.
899 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
901 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
902 (*vec_extractv2di_1_sse): New.
904 2006-01-09 Ben Elliston <bje@au.ibm.com>
906 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
908 2006-01-08 Richard Guenther <rguenther@suse.de>
910 * tree-ssa-structalias.c (get_constraint_for): Remove
912 (get_constraint_for_component_ref): Likewise.
913 (do_deref): Likewise.
914 (get_constraint_for): Likewise.
915 (do_structure_copy): Likewise.
916 (handle_ptr_arith): Likewise.
917 (find_func_aliases): Likewise. Remove unused need_anyoffset
920 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
921 Kaz Kojima <kkojima@gcc.gnu.org>
923 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
924 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
925 (EXTRA_CONSTRAINT_C16): Remove.
926 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
927 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
928 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
929 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
930 constants of SHmedia. Handle nested constant expressions of
932 (andcosts): Fix the costs for SHmedia constants.
933 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
934 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
935 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
936 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
937 (movv4hi_i, movv2si_i): Likewise.
938 (movsi_const): Adjust the second operand of ior so to match with
940 (movdi_const, movdi_const_32bit): Likewise.
941 (movdi_const_16bit+1): Don't sign-extend LOW.
942 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
944 (*double_shori): Fix the split condition. Use GEN_INT instead
945 of get_int_mode calls. Mask lower 16-bit of the argument of
947 (sym2GOTPLT): Remove.
948 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
950 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
951 instead of EXTRA_CONSTRAINT_C16.
953 2006-01-07 Ian Lance Taylor <ian@airs.com>
954 David Edelsohn <edelsohn@gnu.org>
956 PR rtl-optimization/25662
957 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
958 for constant operands instead of simplify_gen_binary.
959 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
960 after trying simplify_binary_operation
962 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
964 * tree.c (iterative_hash_expr): Hash decls based on UID.
966 2006-01-06 Eric Christopher <echristo@apple.com>
968 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
969 (TARGET_UNWIND_EMIT): Fix spelling.
970 * target.h (gcc_target): Add except_table_label.
971 * except.c (output_function_exception_table): Use.
972 * varasm.c (default_emit_except_table_label): New.
973 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
976 * output.h (default_emit_except_table_label): Prototype.
977 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
978 * config/darwin.c (darwin_emit_except_table_label): Define.
979 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
981 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
983 PR tree-optimization/18527
984 * tree-ssa-loop-niter.c (number_of_iterations_cond,
985 number_of_iterations_special, number_of_iterations_exit):
986 Move base and step of an iv to a single structure. Add
987 no_overflow flag, and use it in # of iterations analysis.
988 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
989 folded_casts argument.
990 (simple_iv): Pass base and step in a structure. Set no_overflow
992 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
993 Evaluate expensiveness of computing # of iterations instead of
994 the final expression.
995 * tree-scalar-evolution.h (affine_iv): New structure.
996 (simple_iv): Declaration changed.
997 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
998 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
999 find_givs_in_stmt): Changed due to simple_iv change.
1001 2006-01-06 Jeff Law <law@redhat.com>
1004 * tree-cfg.c (bsi_replace): Rename final argument from
1005 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
1006 change (stmt -> orig_stmt).
1007 * tree-eh.c (verify_eh_throw_stmt_node): New function.
1008 (bsi_remove): Add new argument. Remove EH information
1010 (verify_eh_throw_table_statements): New function.
1011 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
1013 * tree-optimize.c (execute_free_cfg_annotations): Verify
1014 the EH throw statement table after removing annotations.
1015 * except.h (verify_eh_throw_table_statements): Prototype.
1016 * tree-flow.h (bsi_remove): Update prototype.
1017 * tree-vrp.c (remove_range_assertions): Add new argument to
1019 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
1020 * tree-complex.c (expand_complex_div_wide): Likewise.
1021 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
1022 * tree-tailcall.c (eliminate_tailcall): Likewise.
1023 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
1024 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
1025 * tree-nrv.c (tree_nrv): Likewise.
1026 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
1027 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
1028 (combine_blocks): Likewise.
1029 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
1030 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
1031 (cleanup_control_flow): Likewise.
1032 (remove_forwarder_block): Likewise.
1033 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
1034 * tree-sra.c (sra_replace): Likewise.
1035 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
1036 (forward_propagate_single_use_vars): Likewise.
1037 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
1038 * tree-inline.c (expand_call_inline): Likewise.
1039 * tree-vect-transform.c (vect_transform_loop): Likewise.
1040 * tree-outof-ssa.c (rewrite_trees): Likewise.
1041 * tree-cfg.c (make_goto_expr_edges): Likewise.
1042 (cleanup_dead_labels): Likewise.
1043 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
1044 (bsi_move_before, bsi_move_after): Likewise.
1045 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
1046 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
1048 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
1051 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
1053 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
1054 on non gimple variables. Also add checks at the top for decls and
1056 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
1058 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
1059 and IMAGPART_EXPR for creating MUST_DEFs.
1060 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
1061 and NAME_MEMORY_TAG separately from the DECLs.
1063 2006-01-06 Richard Guenther <rguenther@suse.de>
1065 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
1066 annotation, if necessary.
1067 * tree-ssa-pre.c (create_expression_by_pieces): Remove
1068 redundant calls to update_stmt.
1069 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
1072 2006-01-05 Richard Henderson <rth@redhat.com>
1074 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
1076 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
1078 * c-typeck.c: Update copyright date.
1080 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
1082 * c-typeck.c (build_c_cast): Always warn when casting
1083 from a pointer to an integer of different size, even if
1084 the node was constant.
1086 2006-01-05 Richard Guenther <rguenther@suse.de>
1088 PR tree-optimization/22555
1089 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
1090 if one structure field is an array.
1091 * tree-ssa-operands.c (get_expr_operands): Continue scanning
1092 operands even if we found a subvar, but ignore VOPs in this
1094 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
1096 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
1098 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
1101 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
1103 2006-01-05 Richard Guenther <rguenther@suse.de>
1104 Diego Novillo <dnovillo@redhat.com>
1106 * tree-pass.h (TODO_remove_unused_locals): Define.
1107 * gimple-low.c (expand_var_p, remove_useless_vars,
1108 pass_remove_useless_vars): Remove. Update all users.
1109 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
1110 (remove_unused_locals): New function.
1111 * tree-flow.h (remove_unused_locals): Declare.
1112 * passes.c (execute_todo): Call remove_unused_locals if
1113 TODO_remove_unused_locals is set.
1114 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
1115 * tree-ssa-dce.c (pass_dce): Likewise.
1116 * tree-outof-ssa.c (pass_del_ssa): Likewise.
1118 2006-01-05 Richard Guenther <rguenther@suse.de>
1120 * tree-flow.h (struct fieldoff): Decompose field to
1121 type, size and decl.
1122 * tree-ssa-alias.c (create_sft): Take type as parameter.
1123 (create_overlap_variables_for): Store type, size and decl
1124 in the fieldoff structure.
1125 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
1127 (push_fields_onto_fieldstack): Likewise.
1128 (create_variable_info_for): Likewise. Use offset for the
1129 SFT name if the decl is not available.
1131 2006-01-04 Paul Brook <paul@codesourcery.com>
1133 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
1135 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
1137 * lambda-code.c (can_put_in_inner_loop): Relax
1139 (can_put_after_inner_loop): New function.
1140 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
1141 (perfect_nestify): Change to make copies and modify uses.
1143 2006-01-04 Richard Henderson <rth@redhat.com>
1145 Merge from gomp branch:
1146 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
1147 via integer constant.
1148 (pragma_lex): Remove.
1149 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
1150 rather than parsing it.
1151 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
1152 handle_pragma_extern_prefix): Add %< %> quotes.
1153 (registered_pragmas): New.
1154 (c_register_pragma_1): New.
1155 (c_register_pragma): Use it.
1156 (c_register_pragma_with_expansion): Likewise.
1157 (c_invoke_pragma_handler): New.
1158 (init_pragma): Use cpp_register_deferred_pragma directly for
1160 * c-pragma.h (enum pragma_kind): New.
1161 (pragma_handler): New.
1162 (c_invoke_pragma_handler): Declare.
1163 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
1165 * c-common.h (c_common_pch_pragma): Update decl.
1166 * Makefile.in (c-parser.o): Update dependencies.
1167 (GTFILES): Add c-pragma.h.
1168 * c-parser.c (struct c_token): Add pragma_kind.
1169 (struct c_parser): Add in_pragma.
1170 (c_lex_one_token): Always initialize keyword and pragma_kind.
1171 Extract data for CPP_PRAGMA.
1172 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
1173 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
1174 Don't allow CPP_PRAGMA_EOL if in_pragma.
1175 (c_parser_consume_pragma): New.
1176 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
1177 (c_parser_skip_to_end_of_parameter): Likewise.
1178 (c_parser_skip_to_end_of_block_or_statement): Likewise.
1179 (c_parser_skip_to_pragma_eol): New.
1180 (c_parser_external_declaration): Handle CPP_PRAGMA.
1181 (c_parser_compound_statement_nostart): Likewise.
1182 (c_parser_statement_after_labels): Likewise.
1183 (c_parser_pragma): New.
1184 (pragma_lex): Likewise.
1185 (c_parser_pragma_pch_preprocess): New.
1186 (c_parser_new): Merge into ...
1187 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
1189 2006-01-04 Jeff Law <law@redhat.com>
1192 * tree-cfg.c (bsi_replace): Remove the original statement
1193 from the EH throw statement table.
1195 2006-01-04 Jakub Jelinek <jakub@redhat.com>
1197 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
1198 make the prototype extern "C" and add throw ().
1201 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
1202 and pos non-negative and pos + len <= 32.
1203 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
1204 drop pos + len < HOST_BITS_PER_WIDE_INT test.
1205 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
1208 * c-common.c (handle_vector_size_attribute): Reject zero vector size
1209 as well as sizes not multiple of component size.
1212 * function.c (instantiate_expr): New function.
1213 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
1214 walk its DECL_VALUE_EXPR with instantiate_expr.
1216 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
1217 DW_OP_deref{,_size} if address isn't going to be added.
1219 2006-01-04 Ben Elliston <bje@au.ibm.com>
1221 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
1222 * config/fp-bit.c: Likewise.
1224 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
1226 * dominance.c: Add comment about why we use DFS numbering
1229 2006-01-03 Jakub Jelinek <jakub@redhat.com>
1230 Richard Henderson <rth@redhat.com>
1232 Merge from gomp-branch:
1233 * varasm.c (assemble_variable): Handle thread-local COMMON data.
1234 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
1236 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
1238 PR rtl-optimization/25578
1239 * combine.c (combine_simplify_rtx, force_to_mode): Don't
1240 pass a parameter to simplify_shift_const if changing ASHIFTRT
1243 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
1245 * builtins.c (get_builtin_sync_mem): New function.
1246 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
1247 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
1248 Call get_builtin_sync_mem to generate mem rtx.
1250 2006-01-03 Richard Guenther <rguenther@suse.de>
1253 * stmt.c (add_case_node): Make sure to clear overflow flags
1256 2006-01-03 Jakub Jelinek <jakub@redhat.com>
1258 Merge from gomp-branch.
1259 * config/sparc/sync.md: New file.
1260 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
1261 UNSPECV_LDSTUB): New constants.
1262 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
1263 * config/sparc/predicates.md (memory_reg_operand): New predicate.
1264 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
1267 2006-01-03 Roger Sayle <roger@eyesopen.com>
1269 * combine.c (reg_subword_p): New predicate to test whether the
1270 destination of a set refers to a subword/piece of a register.
1271 (try_combine): Generalize the code to merge the setting of a
1272 pseudo to a constant followed by a set of a subword of that
1273 register to a constant.
1275 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
1277 * basic-block.h (control_flow_graph): Change the type of
1278 x_label_to_block_map to VEC(basic_block,gc) *.
1279 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
1280 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
1282 * tree-ssa-propagate.c (cfg_blocks): Change the type to
1283 VEC(basic_block,heap) *.
1284 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
1285 ssa_prop_fini): Adjust the uses of cfg_blocks.
1287 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
1289 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
1291 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
1292 hashing trees instead of a pointer hash.
1293 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
1294 compare for MEM_EXPR.
1296 PR rtl-optimization/25130
1297 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
1298 when comparing MEMs for GCSE
1300 2006-01-03 Ben Elliston <bje@au.ibm.com>
1302 * targhooks.h (default_decimal_float_supported_p): Declare.
1303 * targhooks.c (default_decimal_float_supported_p): Define.
1304 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
1305 `default_decimal_float_supported_p'.
1306 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
1308 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
1310 * combine.c (apply_distributive_law <SUBREG>): Check
1311 TRULY_NOOP_TRUNCATION.
1313 2006-01-02 Geoffrey Keating <geoffk@apple.com>
1315 * dwarf2out.c (have_switched_text_section): Delete.
1316 (have_multiple_function_sections): New.
1317 (have_location_lists): Make 'bool'.
1318 (add_AT_loc_list): Use 'true' not '1'.
1319 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
1320 (output_loc_list): Use have_multiple_function_sections.
1321 (output_ranges): Likewise.
1322 (dwarf2out_begin_function): Set have_multiple_function_sections if
1324 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
1325 Check function_section rather than DECL_SECTION_NAME.
1326 (dwarf2out_finish): Use have_multiple_function_sections.
1327 Don't clear have_location_lists.
1329 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
1330 Jan Hubicka <jh@suse.cz>
1332 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
1333 case of conditional jump jumping to the next instruction.
1334 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
1335 cases of conditional jump jumping to the next instruction.
1337 2006-01-02 Jan Hubicka <jh@suse.cz>
1339 * i386.c (*_cost): Add COSTS_N_INSNS.
1340 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
1342 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
1345 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
1347 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1349 * config/arm/arm.c (all_fpus): Fix comment typo.
1350 * config/darwin.c: Likewise.
1351 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
1352 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
1353 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
1355 2006-01-01 David Edelsohn <edelsohn@gnu.org>
1357 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
1358 (rs6000_split_compare_and_swapqhi): New.
1359 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
1360 (sync_compare_and_swapqhi_internal): New.
1361 * config/rs6000/rs6000-protos.h: Declare.