1 2006-01-19 DJ Delorie <dj@redhat.com>
3 * reload1.c (find_reload_regs): Note the details of reload
4 failures in the dump file.
5 (spill_failure): Likewise.
7 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9 * loop-iv.c: Include df.h and hashtab.h.
10 (enum iv_grd_result): New enum.
11 (DF_REF_IV, DF_REF_IV_SET): New macros.
12 (struct biv_entry): New.
13 (df, bivs): New global variables.
14 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
17 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
18 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
19 analyzed_for_bivness_p, record_biv): New functions.
20 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
21 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
22 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
24 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
26 (iv_number_of_iterations): Use new interface to iv analysis.
27 * loop-unroll.c: Do not include varray.h.
28 (analyze_iv_to_split_insn): Use new interface to iv
30 * loop-unswitch.c (may_unswitch_on): Ditto.
31 * df.c (df_bitmaps_free): Only work for bbs for that structures are
33 (df_bb_modify): Realloc tables to the new index.
34 (df_find_use): New function.
35 * df.h (df_find_use): Declare.
36 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
38 * cfgloop.h (struct rtx_iv): Remove analysed field.
39 (iv_get_reaching_def): Removed.
40 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
41 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
42 (loop-iv.o): Add df.h and hashtab.h dependency.
43 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
45 2006-01-20 Alan Modra <amodra@bigpond.net.au>
47 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
49 (__floatundisf, __floatundidf): Likewise.
50 * libgcc2.h (IS_IBM_EXTENDED): Define.
52 2006-01-19 DJ Delorie <dj@redhat.com>
54 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
56 2006-01-19 Paul Brook <paul@codesourcery.com>
58 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
59 as nothrow when unwinding tables are disabled.
61 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
64 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
65 of bit-field" when in system header.
67 2006-01-19 DJ Delorie <dj@redhat.com>
69 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
70 the 16 bit shift limit of the m16c.
72 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
75 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
76 * config/i386/i386.c (output_set_got): Output the label if we have one
77 for the TARGET_DEEP_BRANCH_PREDICTION case.
79 2006-01-19 Jan Hubicka <jh@suse.cz>
80 H.J. Lu <hongjiu.lu@intel.com>
81 Evandro Menezes <evandro.menezes@amd.com>
83 * invoke.texi (generic): Document
85 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
86 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
87 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
88 (x86_use_incdec, x86_pad_returns): New variables
89 (TARGET_CPU_DEFAULT_generic): New constant
90 (TARGET_CPU_DEFAULT_NAMES): Add generic.
91 (enum processor_type): Add generic32 and generic64.
92 * i386.md (cpu attribute): Add generic32/generic64
93 (movhi splitter): Behave sanely when both partial_reg_dependency and
94 partial_reg_stall are set.
95 (K8 splitters): Enable for generic as well.
96 * predicates.md (incdec_operand): Use TARGET_INCDEC
97 (aligned_operand): Avoid memory mismatch stalls.
98 * athlon.md: Enable for generic64, new patterns for 128bit moves.
99 * ppro.md: Enable for generic32
100 * i386.c (generic64_cost, generic32_cost): New.
101 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
102 (x86_use_leave): Enable for generic64. (x86_use_sahf,
103 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
104 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
105 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
106 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
107 x86_partial_reg_dependency, x86_memory_mismatch_stall,
108 x86_accumulate_outgoing_args, x86_prologue_using_move,
109 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
110 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
112 (x86_use_incdec, x86_pad_returns): New.
113 (override_options): Add generic32 and generic64, translate "generic"
114 to generic32/generic64 and "i686" to "generic32", refuse
115 "generic32"/"generic64" as arch target.
116 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
117 (ix86_reorg): Honor PAD_RETURNS.
119 2006-01-19 Diego Novillo <dnovillo@redhat.com>
121 * tree-pretty-print.c (dump_generic_node): Handle
122 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
123 * cgraph.c (cgraph_expand_queue): Rename from
124 cgraph_analyze_queue. Update all users.
125 * cgraphunit.c (cgraph_assemble_pending_functions): Process
127 (cgraph_expand_all_functions): Likewise.
128 (cgraph_finalize_pending_functions): Remove. Update callers.
130 * tree.h (OMP_DIRECTIVE_P): Define.
131 (OMP_PARALLEL_FN): Define.
132 (OMP_PARALLEL_DATA_ARG): Define.
133 (OMP_SECTIONS_SECTIONS): Define.
134 * tree-pass.h (pass_expand_omp): Declare.
135 * omp-low.c (struct omp_region): Declare.
136 (struct omp_context): Remove fields 'parallel_type',
137 'parallel_start_ix' and 'parallel_start_additional_args'.
139 (struct omp_for_data): Rename from struct expand_omp_for_data.
140 (omp_regions): New static variable.
141 (root_omp_region): New static variable.
142 (find_omp_clause): Make static.
143 (is_in_combined_parallel_ctx): Remove.
144 (is_combined_parallel): New.
145 (extract_omp_for_data): Move earlier in the file.
146 (workshare_safe_to_combine_p): New.
147 (get_ws_args_for): New.
148 (determine_parallel_type): Move earlier in the file.
149 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
151 (omp_copy_decl): Likewise.
152 (create_omp_child_function): Likewise.
153 (lookup_omp_region): New.
154 (dump_omp_region): New.
155 (debug_omp_region): New.
156 (debug_all_omp_regions): New.
157 (new_omp_region): New.
158 (scan_omp_parallel): If parallel_nesting_level > 1, the
159 directive is nested within another parallel directive.
161 (scan_omp_for): Do not try to handle combined parallel+for
163 Remove FIXME comment.
164 (scan_omp_nested): Remove.
165 (scan_omp_1): Do not call scan_omp_nested when
166 parallel_nesting_level is > 1.
167 Do not change the DECL_CONTEXT of local variables found.
168 (lookup_decl_in_outer_ctx): New.
169 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
170 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
171 (lower_reduction_clauses): Rename from expand_reduction_clauses.
172 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
173 If CTX is nested, lookup VAR in the outer context when
174 building copy assignment.
175 (lower_send_clauses): Rename from expand_send_clauses.
176 If CTX is nested, lookup VAR in the outer context when
177 building copy assignments.
178 (lower_send_shared_vars): Rename from expand_send_shared_vars.
179 If CTX is nested, lookup VAR in the outer context when
180 building copy assignments.
181 (expand_parallel_call): Rename from build_parallel_call.
182 Handle combined parallel+workshare cases.
183 Re-implement to emit code into the CFG.
185 (expand_omp_parallel): Re-implement to emit code into the CFG.
186 Call move_sese_region_to_fn to outline the sub-graph
187 containing the parallel region.
188 (expand_omp_for_1): Remove.
189 (expand_omp_for_generic): Re-implement to emit code into the
191 (expand_omp_for_static_nochunk): Likewise.
192 (expand_omp_for_static_chunk): Likewise.
193 (expand_omp_for): Likewise.
194 (expand_omp_sections): Likewise.
195 (remove_exit_barriers): New.
196 (expand_omp_synch): New.
198 (build_omp_regions_1): New.
199 (build_omp_regions): New.
200 (execute_expand_omp): New.
201 (gate_expand_omp): New.
202 (pass_expand_omp): Define.
203 (lower_omp_sections): Rename from expand_omp_sections.
204 Set OMP_SECTIONS_SECTIONS.
205 (lower_omp_single_simple): Rename from expand_omp_single_simple.
206 (lower_omp_single_copy): Rename from expand_omp_single_copy.
207 (lower_omp_single): Rename from expand_omp_simple.
208 (lower_omp_master): Rename from expand_omp_master.
209 (lower_omp_ordered): Rename from expand_omp_ordered.
210 (lower_omp_critical): Rename from expand_omp_critical.
211 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
212 (lower_omp_for): Re-implement.
213 (lower_omp_parallel): Re-implement.
214 (lower_regimplify): Rename from expand_regimplify.
215 (lower_omp_1): Rename from expand_omp_1.
216 If there are syntax errors in the program, replace every
217 OpenMP directive with NOP.
218 Call lower_omp_* instead of expand_omp_*.
219 (lower_omp): Rename from expand_omp.
221 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
222 * tree-gimple.h (enum omp_parallel_type): Remove.
223 (gimple_boolify): Declare extern.
224 (find_omp_clause, determine_parallel_type): Remove.
226 * gimple-low.c (lower_omp_directive): New.
227 (lower_stmt): Call it.
228 (record_vars_into): Move from ...
229 (record_vars): ... here.
230 Call record_vars_into with current_function_decl.
232 * gimplify.c (struct gimplify_ctx): Remove fields
233 combined_pre_p and combined_ctxp. Update users.
234 (get_formal_tmp_var): Add documentation.
235 (gimple_boolify): Make extern.
236 (gimplify_expr_in_ctx): Remove. Update callers.
237 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
238 will always be a BIND_EXPR.
239 (gimplify_expr): Handle OMP_RETURN_EXPR.
240 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
241 (OMP_PARALLEL): Add 3 operands.
242 (OMP_SECTIONS): Add 1 operand.
243 (OMP_RETURN_EXPR): Define.
245 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
246 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
247 * tree-iterator.c (alloc_stmt_list): Assert that we are not
248 creating a circular free list.
249 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
251 * tree-flow.h (move_sese_region_to_fn): Declare.
252 (record_vars_into): Declare.
253 * tree-cfg.c (make_omp_sections_edges): New.
254 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
255 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
256 OMP_SECTIONS and OMP_SECTION.
257 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
258 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
259 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
260 (gather_blocks_in_sese_region): New.
261 (struct move_stmt_d): Declare.
263 (move_block_to_fn): New.
264 (move_sese_region_to_fn): New.
266 * passes.c (init_optimization_passes): Schedule
267 pass_expand_omp after pass_init_datastructures.
269 * tree-ssa-operands.c (get_expr_operands): Handle
270 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
271 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
273 2006-01-19 Jeff Law <law@redhat.com>
275 * tree-vrp.c (extract_range_from_assert): Refine the result range
276 if the variable referenced by the ASSERT_EXPR has a range and
277 either the tentative result range or the previous range is a
280 2006-01-19 Richard Sandiford <richard@codesourcery.com>
282 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
284 2006-01-19 Jan Hubicka <jh@suse.cz>
286 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
288 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
290 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
291 (expand_compound_operation, expand_field_assignment): Fail if the
292 bit lengths of an extract operation are out of range.
293 (make_extraction): Compute wanted_inner_mode based on the position
294 and length of the extraction. Make it extraction_mode for non-constant
295 positions, and do not modify offset in that case. When generating a
296 new MEM, use a mode that can hold the extraction while keeping correct
297 alignment. Remove code that supported MEMs wrapped by USEs.
298 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
300 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
302 * config/s390/s390.md ("Y", "y"): New mode attribute.
303 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
304 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
305 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
306 "*addsi3_imm_cc", "*addsi3_carry1_cc",
307 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
308 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
309 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
310 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
311 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
312 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
313 "addsi3", "subsi3"): Insn patterns removed.
314 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
315 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
316 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
317 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
318 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
319 "*sub<mode>3_cconly2"): New insn patterns.
320 ("addsi3", "subsi3"): New expanders.
322 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
324 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
325 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
326 existing STMT_VINFO_VECTYPE if available.
327 (vect_mark_relevant): Add special handling for stmts that are
328 marked as STMT_VINFO_IN_PATTERN_P.
329 (vect_analyze_loop): Call vect_pattern_recog.
330 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
331 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
333 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
334 (vect_recog_func_ptr): New function-pointer type.
335 * tree-vect-patterns.c: New file.
336 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
337 (vect_recog_dot_prod_pattern, vect_pattern_recog):
338 (vect_pattern_recog_1): New functions.
339 (vect_pattern_recog_funcs): New array of function pointers.
341 * tree-vectorizer.h (ternary_op): New enum value.
342 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
343 declaration. Revised documentation. Removed redundant dump prints.
344 Removed redundant argument. Added support for reduction patterns.
345 (vectorizable_reduction): Added support for reduction patterns.
346 (vect_transform_stmt): Added support for patterns.
348 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
349 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
350 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
351 (expand_widen_pattern_expr): New function.
352 (init_optabs): Initialize new optabs udot_prod_optab,
354 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
355 (sdot_prod_optab, udot_prod_optab): Define new optabs.
356 (expand_widen_pattern_expr): New function declaration.
357 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
359 * tree-inline.c (estimate_num_insns_1): Added cases for new
360 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
361 * tree-pretty-print.c (dump_generic_node): Likewise.
363 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
364 * tree-ssa-operands.c (get_expr_operands): Added case for
366 * tree-vect-patterns.c (widened_name_p): New function.
367 (vect_recog_dot_prod_pattern): Added function implementation.
368 * tree-vect-transform.c (get_initial_def_for_reduction): Added
369 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
370 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
371 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
373 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
374 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
375 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
376 (init_optabs): Initialize new optabs widen_ssum_optab,
378 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
379 (widen_ssum_optab, widen_usum_optab): Define new optabs.
380 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
381 use instead of type of def.
382 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
383 function implementation.
384 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
385 widen_ssumv8hi): New.
387 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
390 2006-01-19 Richard Sandiford <richard@codesourcery.com>
393 * c-decl.c (add_flexible_array_elts_to_size): New function.
394 (finish_decl): Use it.
396 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
398 * diagnostic.h: Include options.h.
399 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
400 dependancies for diagnostic.h.
401 * Makefile.in (DIAGNOSTIC_H): Add options.h.
403 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
405 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
406 (ssa_ro_call_cache_valid): Ditto.
407 * tree-ssa-alias.c (sort_tags_by_id): New function.
408 (init_transitive_clobber_worklist): Ditto.
409 (add_to_worklist): Ditto.
410 (mark_aliases_call_clobbered): Ditto.
411 (compute_tag_properties): Ditto.
412 (set_initial_properties): Ditto.
413 (compute_call_clobbered): Ditto.
414 (compute_may_aliases): Call compute_call_clobbered and grouping.
415 (compute_flow_sensitive_aliasing): Remove clobbering related code.
416 (compute_flow_insensitive_aliasing): Grouping now happens in our
418 (setup_pointers_and_addressables): Remove clobbering related code.
419 (add_may_alias): Ditto.
420 (replace_may_alias): Ditto.
421 (get_nmt_for): Ditto.
423 (is_escape_site): Return an escape_type enumeration.
424 * tree-flow-inline.h (is_call_clobbered): Global var does not
425 imply call clobbered.
426 (mark_call_clobbered): Take a reason for marking this. Remove
427 marking of globalness, and cache invalidation.
428 (clear_call_clobbered): Remove cache invalidation code.
429 * tree-dfa.c (dump_variable): If details is on, dump the reason
431 * tree-outof-ssa.c (create_temp): Copy escape mask from original
433 * tree-flow.h (struct ptr_info_def): Add escape mask member.
434 (struct var_ann_d): Ditto.
435 (enum escape_type): New.
436 (mark_call_clobbered): Adjust prototype.
437 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
438 are never call clobbered.
439 Record reasons for escaping.
440 * tree-ssa-structalias.h (is_escape_site): Update prototype.
441 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
442 (ssa_ro_call_cache_valid): Ditto.
443 (clobbered_v_may_defs): Ditto.
444 (clobbered_vuses): Ditto.
445 (ro_call_vuses): Ditto.
446 (clobber_stats): New.
447 (init_ssa_operands): Zero out clobber stats.
448 (fini_ssa_operands): Print out clobber stats.
449 (get_call_expr_operands): Pass callee fndecl to
451 (add_call_clobber_ops): Remove use of cache.
452 Add use of PURE_CONST information.
453 (add_call_read_ops): Remove use of cache.
454 Add use of static not_read information.
456 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
458 Introduce TLS descriptors for i386 and x86_64.
459 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
460 (TARGET_ANY_GNU_TLS): New macro.
461 (enum tls_dialect): Added TLS_DIALECT_GNU2.
462 (struct machine_function): Add tls_descriptor_call_expanded_p.
463 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
464 (ix86_current_function_calls_tls_descriptor): Likewise.
465 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
466 (override_options): Introduce gnu2 tls dialect.
467 (ix86_frame_pointer_required): Functions containing TLSCALLs are
469 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
471 (legitimize_tls_address): Adjust logic for GNU2 TLS.
472 (ix86_init_machine_status): Initialize new field.
473 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
474 (ix86_tls_module_base): New.
475 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
476 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
477 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
478 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
479 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
480 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
481 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
482 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
483 * config/i386/predicates.md (tls_modbase_operand): New.
484 (tp_or_register_operand): New.
486 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
488 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
489 (look_for_address_of): Ditto.
490 (ipa_init): Walk the function decls.
491 (static_execute): Don't set readonly on FUNCTION_DECL's.
493 2006-01-18 Roger Sayle <roger@eyesopen.com>
495 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
496 for shifts where the source and destination registers are different.
498 2006-01-18 Paul Brook <paul@codesourcery.com>
500 Merge from csl-arm-branch.
501 2005-03-14 Julian Brown <julian@codesourcery.com>
502 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
503 (aeabi_llsl): Likewise.
505 (aeabi_lasr): Likewise.
507 (aeabi_llsr): Likewise.
508 2005-03-10 Julian Brown <julian@codesourcery.com>
509 * config.gcc: Disable shared libgcc for SymbianOS.
510 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
512 2006-01-18 DJ Delorie <dj@redhat.com>
514 * c-pragma.c (handle_pragma_diagnostic): New.
515 (init_pragma): Register it.
516 * doc/extend.texi: Document it.
518 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
519 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
520 (diagnostic_context): Add classify_diagnostic[].
521 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
522 as errors if they're overridden to DK_WARNING.
523 (diagnostic_initialize): Initialize classify_diagnostic[].
524 (diagnostic_set_kind_override): New.
525 (diagnostic_report_diagnostic): Check for kind changes.
526 * opts.c (common_handle_option): Take lang_mask. Update callers.
528 * common.opt (Werror=): New.
529 * doc/invoke.texi: Document -Werror=*
531 2006-01-18 Jeff Law <law@redhat.com>
533 * tree-vrp.c (test_for_singularity): Correct test for new
534 min limit. Use operand_equal_p rather than pointer equality
535 for testing if new min/max values are equal.
537 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
538 using range information until after propagation and folding.
540 2006-01-18 Richard Henderson <rth@redhat.com>
541 Aldy Hernandez <aldyh@redhat.com>
542 Jakub Jelinek <jakub@redhat.com>
543 Diego Novillo <dnovillo@redhat.com>
545 * omp-low.c: New file.
548 2006-01-18 Richard Henderson <rth@redhat.com>
549 Jakub Jelinek <jakub@redhat.com>
550 Diego Novillo <dnovillo@redhat.com>
552 * doc/invoke.texi: Document -fopenmp.
553 * tree-dump.h (debug_function): Declare.
554 * hooks.c (hook_bool_tree_bool_false): New function.
555 (hook_tree_tree_null): Remove.
556 (hook_tree_tree_tree_null): New.
557 * hooks.h: Update to match.
558 * tree-pretty-print.c (debug_tree_chain): New.
559 (print_generic_expr): Handle TDF_CHAIN.
560 (dump_generic_node): Handle BLOCK.
561 Do not abort with incomplete SWITCH_EXPRs.
562 Do not dump body of an OpenMP directive if TDF_SLIM is given.
563 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
564 print space after directive name.
565 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
566 Handle OMP_MASTER and OMP_ORDERED.
567 Handle printing of OMP_BODY just in one place, goto
568 dump_omp_body in the rest of OMP_* nodes that have
570 Don't handle clause nodes here. Update omp statements to
571 use dump_omp_clauses.
572 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
573 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
574 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
575 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
576 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
577 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
578 Adjust output for GOMP_PARALLEL.
579 (dump_omp_clauses): New.
580 (print_declaration): Dump DECL_VALUE_EXPR.
581 (op_symbol_1): Split out of op_symbol.
582 (dumping_stmts): Remove. Update all users.
583 * cgraph.c (cgraph_analyze_queue): New.
584 (cgraph_add_new_function): New.
585 * cgraph.h (cgraph_analyze_queue): Declare.
586 (cgraph_add_new_function): Declare.
587 (cgraph_lower_function): Remove.
588 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
589 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
590 and TYPE_P nodes in its default clause.
592 (tree_range_check_failed): New.
594 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
595 OMP_CLAUSE_REDUCTION_MERGE,
596 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
597 OMP_CLAUSE_PRIVATE_DEBUG,
598 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
599 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
600 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
601 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
602 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
603 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
604 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
605 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
606 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
607 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
608 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
609 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
610 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
611 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
612 (TREE_RANGE_CHECK): New.
613 (empty_body_p): Declare.
614 (enum omp_clause_default_kind): New.
615 (build_string_literal): Declare.
616 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
617 (build5_stat, build5): Declare.
618 * tree-pass.h (TDF_CHAIN): Define.
619 * tree-pass.h (PROP_gimple_lomp): Define.
620 (pass_lower_omp): Declare.
621 * diagnostic.h (debug_tree_chain): Declare.
622 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
624 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
625 * builtins.c (build_string_literal): Make extern.
626 * gcc.c (include_spec_function): New.
627 (static_spec_functions): Add it.
628 (main): Move load of libgomp.spec ...
629 (LINK_COMMAND_SPEC): ... here.
630 (link_gomp_spec): New.
631 (static_specs): Include it.
632 (LINK_COMMAND_SPEC): Add link_gomp.
633 (GOMP_SELF_SPECS): New.
634 (driver_self_specs): Include it.
635 (switch_matches): Don't mark inline.
636 (main): Load libgomp.spec.
637 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
638 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
639 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
640 * tree-gimple.h (enum omp_parallel): Declare.
641 (determine_parallel_type): Declare.
642 (omp_firstprivatize_variable): Declare.
643 (omp_reduction_init): Declare.
644 (diagnose_omp_structured_block_errors): Declare.
645 (struct walk_stmt_info): Add want_return_expr.
646 (struct walk_stmt_info): Add want_bind_expr, want_locations.
647 (find_omp_clause): Declare.
648 (insert_field_into_struct): Declare.
649 (struct walk_stmt_info): Move from tree-nested.c
650 (walk_stmts): Declare.
651 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
653 * cgraphunit.c (cgraph_lower_function): Make static.
654 (cgraph_finalize_pending_functions): New.
655 (cgraph_finalize_function): Call it.
656 (cgraph_finalize_compilation_unit): Likewise.
657 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
658 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
659 (BT_FN_UINT_UINT): New.
660 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
661 DEF_FUNCTION_TYPE_VAR_4): Document.
662 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
663 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
664 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
665 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
666 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
667 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
668 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
669 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
670 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
671 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
673 (DEF_GOMP_BUILTIN): New.
674 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
675 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
676 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
677 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
678 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
679 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
680 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
681 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
682 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
683 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
684 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
685 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
686 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
687 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
688 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
689 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
690 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
691 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
692 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
693 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
694 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
695 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
696 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
697 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
698 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
699 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
700 * sync-builtins.def: New file, moved from builtins.def.
701 * omp-builtins.def: New file, moved from builtins.def.
702 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
703 * gimple-low.c (lower_function_body): Clear data.
704 (lower_stmt): Do not handle COMPOUND_EXPR.
705 Remove call to print_node_brief.
706 * c-tree.h (c_finish_omp_clauses): New prototype.
707 (C_DECL_THREADPRIVATE_P): Define.
708 (lookup_name_no_remap, c_omp_remap_private): Remove
709 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
710 (check_for_loop_decls): Update decl.
711 (lookup_name_no_remap, c_omp_remap_private): Declare.
712 (build_indirect_ref, build_modify_expr, pushdecl,
713 pushdecl_top_level): Move to c-common.h.
714 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
715 before the switch, but just in the 2 places that need it.
716 * c-decl.c (diagnose_mismatched_decls): Do not check for
717 mismatched thread-local attributes when OLDDECL is marked
718 threadprivate and NEWDECL has no thread-local attributes.
719 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
720 (c_gimple_diagnostics_recursively): Rename from
721 c_warn_unused_result_recursively. Invoke
722 diagnose_omp_structured_block_errors.
723 (check_for_loop_decls): Return a singular decl found.
724 * langhooks.c (lhd_omp_predetermined_sharing): Return
725 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
726 (lhd_omp_firstprivatize_type_sizes): New.
727 (lhd_omp_assignment): New.
728 (lhd_omp_predetermined_sharing): New.
729 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
730 (struct lang_hooks_for_types): Add
731 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
732 omp_predetermined_sharing, omp_disregard_value_expr,
733 omp_private_debug_clause, omp_clause_default_ctor,
734 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
735 (c_finish_omp_clauses): New.
736 (c_finish_bc_stmt): Diagnose break within omp for.
737 (c_begin_omp_parallel, c_finish_omp_parallel): New.
738 (build_unary_op): Return error_mark after reporting
740 (build_modify_expr): Likewise.
741 * gimplify.c: Include optabs.h and pointer-set.h.
742 (enum gimplify_omp_var_data): Declare.
743 (struct gimplify_omp_ctx): Declare.
744 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
746 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
747 (push_gimplify_context, pop_gimplify_context): Allow nesting.
748 (splay_tree_compare_decl_uid): New.
749 (new_omp_context): New.
750 (delete_omp_context): New.
751 (gimple_add_tmp_var): Call omp_add_variable.
752 (gimplify_bind_expr): Likewise.
753 (gimplify_var_or_parm_decl): If omp_notice_variable returned
754 true, disregard DECL_VALUE_EXPR on the decl if any.
755 (gimplify_expr_in_ctx): New.
756 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
757 omp_add_variable, omp_notice_variable, omp_is_private
758 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
759 gimplify_adjust_omp_clauses, gimplify_omp_parallel
760 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
761 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
762 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
763 gimplify_omp_atomic): New.
764 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
765 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
766 OMP_CRITICAL and OMP_ATOMIC.
767 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
768 * c-pragma.h (enum pragma_kind): Add
769 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
770 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
771 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
772 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
773 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
774 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
775 PRAGMA_OMP_THREADPRIVATE.
776 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
777 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
778 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
779 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
780 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
781 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
782 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
783 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
784 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
785 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
786 * tree-ssa-dce.c (find_control_dependence): Do not assume that
787 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
788 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
790 (struct nesting_info): Add field_map,
791 suppress_expansion, debug_var_chain.
792 (create_nesting_tree): Initialize them.
793 (lookup_field_for_decl): Use field_map.
794 (get_nonlocal_debug_decl, get_local_debug_decl): New.
795 (convert_local_omp_clauses): New.
796 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
797 (walk_body): Split out of walk_function.
798 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
799 (convert_nonlocal_reference): Handle omp statements.
800 (convert_local_reference): Likewise.
801 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
802 (unnest_nesting_tree): New.
803 (lower_nested_functions): Call it.
804 (insert_field_into_struct): Make extern.
805 (struct walk_stmt_info): Move to tree-gimple.h.
806 (walk_stmts): Make extern.
807 * omp-builtins.def: New file.
808 * tree-iterator.c (expr_only): Clarify comment.
809 * c-common.h (pushdecl_top_level, pushdecl,
810 build_modify_expr, build_indirect_ref,
811 c_finish_omp_master, c_finish_omp_critical,
812 c_finish_omp_ordered, c_finish_omp_barrier,
813 c_finish_omp_atomic, c_finish_omp_flush,
814 c_finish_omp_for, c_split_parallel_clauses,
815 omp_clause_default_kind, c_omp_sharing_predetermined,
816 c_omp_remap_decl): Declare.
817 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
818 (OBJS-common): Add omp-low.o.
819 (c-omp.o, omp-low.o): Add.
820 (gimplify.o): Add dependency on $(OPTABS_H).
821 (GTFILES): Add omp-low.c.
822 (gt-stringpool.h): Add.
823 * tree-cfg.c (set_bb_for_stmt): Do not update the
824 block-to-labels map if we are currently expanding to RTL.
825 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
827 Handle IDENTIFIER_NODE.
828 (tree_verify_flow_info): Do not ICE when emitting error
829 messages about invalid labels.
830 (dump_function_to_file): Reset CFUN before emitting the body
832 (debug_function): New.
833 * passes.c (init_optimization_passes): Schedule
835 * langhooks-def.h (lhd_omp_predetermined_sharing,
836 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
838 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
839 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
840 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
841 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
842 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
843 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
844 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
845 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
846 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
847 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
848 (LANG_HOOK_DECLS): Use them.
850 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
851 Richard Henderson <rth@redhat.com>
852 Jakub Jelinek <jakub@redhat.com>
853 Diego Novillo <dnovillo@redhat.com>
855 * c-parser.c (pragma_omp_clause): Define.
856 (c_parser_declaration_or_fndef): Document OpenMP syntax.
857 (c_parser_compound_statement): Likewise.
858 (c_parser_statement): Likewise.
859 (c_parser_pragma): Handle omp pragmas.
860 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
861 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
862 (c_parser_omp_clause_name, check_no_duplicate_clause,
863 c_parser_omp_variable_list,
864 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
865 c_parser_omp_clause_copyprivate,
866 c_parser_omp_clause_default,
867 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
868 c_parser_omp_clause_lastprivate,
869 c_parser_omp_clause_nowait,
870 c_parser_omp_clause_num_threads,
871 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
872 c_parser_omp_clause_reduction,
873 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
874 c_parser_omp_all_clauses, c_parser_omp_structured_block,
875 c_parser_omp_atomic, c_parser_omp_barrier,
876 c_parser_omp_critical, c_parser_omp_flush,
877 c_parser_omp_for_loop, c_parser_omp_for,
878 c_parser_omp_master, c_parser_omp_ordered,
879 c_parser_omp_sections_scope, c_parser_omp_sections,
880 c_parser_omp_parallel, c_parser_omp_single,
881 c_parser_omp_construct, c_parser_omp_threadprivate): New.
882 * c-pragma.c (init_pragma): Do omp pragma registration here.
883 * c.opt (fopenmp): New flag.
885 2006-01-18 Eric Christopher <echristo@apple.com>
887 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
888 * config/darwin.h (GOMP_SELF_SPECS): Define.
890 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
892 * rtl.h: Remove the prototype for reg_alloc.
894 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
897 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
898 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
899 sjlj and dwarf2 exception handling.
900 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
901 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
902 * pa/pa.c (function_value): Treat complex and vector types as
904 (function_arg): Likewise. Only pass scalar floats in the floating
905 point argument registers.
906 * pa/t-slibgcc-dwarf-ver: New file.
907 * pa/t-slibgcc-sjlj-ver: New file.
908 * pa/t-slibgcc-elf-ver: Delete file.
910 2006-01-19 Alan Modra <amodra@bigpond.net.au>
912 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
913 unlikely_test_section_p test.
915 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
917 * mode-switching.c (optimize_mode_switching): Make it static.
918 * basic-block.h: Remove the prototype for
919 optimize_mode_switching.
921 * modulo-sched.c (sms_schedule): Make it static.
922 * rtl.h: Remove the prototype for sms_schedule.
924 * postreload-gcse.c (gcse_after_reload_main): Make it static.
925 * rtl.h: Remove the prototype for gcse_after_reload_main.
927 * reg-stack.c (reg_to_stack): Make it static.
928 * rtl.h: Remove the prototype for reg_to_stack.
930 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
932 * rtl.h: Remove the prototypes for regrename_optimize and
933 copyprop_hardreg_forward.
935 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
937 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
938 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
939 Test against the appropriate null constant for the mode.
940 If 'fixup_overlap' is true, swap the operands if they overlap.
941 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
942 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
943 alpha_split_tmode_pair and adjust for above change.
944 * config/alpha/alpha.md (movtf_internal): Adjust call to
945 alpha_split_tfmode_pair and rely on it to swap the operands.
946 (movti_internal): New insn and post-reload splitter.
947 (movti): New expander.
949 2006-01-18 Philippe De Muyter <phdm@macqel.be>
951 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
954 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
956 * rtlanal.c (global_reg_mentioned_p_1,
957 global_reg_mentioned_p): Remove.
958 * rtl.h: Remove the prototype for global_reg_mentioned_p.
960 * flow.c (initialize_uninitialized_subregs): Make it static.
961 * rtl.h: Remove the prototype for
962 initialize_uninitialized_subregs.
964 * function.c (instantiate_virtual_regs): Make it static.
965 * function.h: Remove the prototype for
966 instantiate_virtual_regs.
968 * regmove.c (regmove_optimize, combine_stack_adjustments):
970 * rtl.h: Remove the prototypes for regmove_optimize and
971 combine_stack_adjustments.
973 2006-01-17 Roger Sayle <roger@eyesopen.com>
975 * config/i386/i386.c (COSTS_N_BYTES): New macro.
976 (size_cost): Encode costs in bytes so that a reg-reg addition is
977 equivalent to COSTS_N_INSNS(1).
978 (override_options): Use the size_cost.branch_cost as the default
979 ix86_branch_cost when optimizing for size.
981 2006-01-18 Ben Elliston <bje@au.ibm.com>
983 * Makefile.in (D32PBIT_FUNCS): New.
984 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
985 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
986 D64PBIT_FUNCS and D128PBIT_FUNCS.
987 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
988 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
990 (decnumber_dep): Define.
991 * doc/libgcc.texi (Decimal float library routines): New node.
992 * config/dfp-bit.h, config/dfp-bit.c: New files.
994 2006-01-18 Ben Elliston <bje@au.ibm.com>
996 * expr.c (emit_move_change_mode): Always adjust addresses, not
997 just during reload. Copy replacements only during reload.
998 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
999 emit_move_via_integer.
1001 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
1003 * Makefile.in (check-%, check-consistency): Use $${srcdir}
1004 instead of $(srcdir) and ${srcdir}.
1006 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
1010 * arm.h (struct machine_function): Add pic_reg.
1011 * arm.c (arm_pic_register): Make unsigned.
1012 (arm_override_options): Only set arm_pic_register if
1013 TARGET_SINGLE_PIC_BASE.
1014 (use_return_insn): Only test for a pic register if it is fixed.
1015 (arm_compute_save_reg0_reg12_mask): Likewise.
1016 (thumb_compute_save_reg_mask): Likewise.
1017 (legitimate_pic_operand): Factor out some known invariants.
1018 (legitimize_pic_address): If we don't have a fixed pic register,
1019 then set up a pseudo in the function entry sequence. Handle the
1020 pic base being in a pseudo.
1021 (arm_load_pic_register): Handle the pic register being in a pseudo.
1022 (arm_expand_prologue): Only set up the pic register if it is fixed.
1023 (thumb_expand_prologue): Likewise.
1024 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
1025 (pic_load_addr_based_insn): Likewise.
1026 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
1029 2006-01-18 Ben Elliston <bje@au.ibm.com>
1031 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
1032 decimal float modes for all floating point registers.
1034 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
1035 match_code "mem" with match_test "macho_lo_sum_memory_operand".
1037 2006-01-17 Jakub Jelinek <jakub@redhat.com>
1040 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
1041 even when the pointer is not NULL.
1043 2006-01-16 Ian Lance Taylor <ian@airs.com>
1045 * common.opt (ftoplevel-reorder): New option.
1046 * cgraph.c (cgraph_asm_nodes): New global variable.
1047 (cgraph_asm_last_node): New static variable.
1048 (cgraph_order): New global variable.
1049 (cgraph_create_node): Set new order field.
1050 (cgraph_varpool_node): Likewise.
1051 (decide_is_variable_needed): Return true if not
1052 flag_toplevel_reorder.
1053 (cgraph_add_asm_node): New function.
1054 * cgraph.h (struct cgraph_node): Add order field.
1055 (struct cgraph_varpool_node): Add order field.
1056 (struct cgraph_asm_node): Define.
1057 (cgraph_asm_nodes, cgraph_order): Declare.
1058 (cgraph_add_asm_node): Declare.
1059 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
1061 (cgraph_varpool_assemble_pending_decls): Call it.
1062 (cgraph_output_pending_asms): New static function.
1063 (cgraph_finalize_compilation_unit): Call it.
1064 (struct cgraph_order_sort): Define.
1065 (cgraph_output_in_order): New static function.
1066 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
1067 !flag_toplevel_reorder case.
1068 * c-parser.c: Include "cgraph.h".
1069 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
1071 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
1072 than -fno-unit-at-a-time.
1073 * doc/invoke.texi (Option Summary): Mention
1074 -fno-toplevel-reorder.
1075 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
1076 -funit-at-a-time documentation.
1078 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
1079 Kazu Hirata <kazu@codesourcery.com>
1081 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
1083 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
1085 * Makefile.in (FUNCTION_H): New. Use it instead of
1086 function.h throughout the file.
1087 * function.h: Include tree.h.
1089 2006-01-17 Ben Elliston <bje@au.ibm.com>
1091 * recog.c: Separate some functions with whitespace.
1093 2006-01-16 Richard Henderson <rth@redhat.com>
1095 Merge from gomp branch:
1096 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
1097 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
1098 and rename from struct inline_data. Rename callee* to dst*;
1099 caller* to src*; add copy_decl hook, transform_call_graph_edges,
1100 transform_new_cfg, transform_return_to_modify, and
1101 transform_lang_insert_block flags; remove cloning_p, versioning_p,
1103 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
1104 (copy_decl_for_dup): Remove.
1105 * tree-inline.c (struct inline_data): Move to header.
1106 (insert_decl_map): Export.
1107 (remap_decl): Update for member name changes. Use copy_decl hook.
1108 Allow for replacement to be a non-decl. Remove dead code.
1109 (remap_type_1): Check for existing mapping.
1110 (remap_type): Export.
1111 (remap_decls): Update for member name changes.
1112 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
1113 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
1114 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
1115 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
1116 (tree_function_versioning, build_duplicate_type): Likewise.
1117 (copy_body_r): Likewise. Export.
1118 (copy_decl_for_dup): Split into ...
1119 (copy_decl_for_dup_finish, copy_decl_to_var,
1120 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
1121 (replace_ref_tree, inlining_p): Remove.
1123 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1125 * ifcvt.c (if_convert): Make it static.
1126 * rtl.h: Remove the prototype for if_convert.
1128 * local-alloc.c (local_alloc): Make it static.
1129 * rtl.h: Remove the prototype for local_alloc.
1131 * loop.c (loop_optimize): Make it static.
1132 * cfgloop.h: Remove the prototype for loop_optimize.
1135 2006-01-16 DJ Delorie <dj@redhat.com>
1137 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
1140 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1142 * pa.md: Disparage copies between general and floating-point registers
1143 in 32-bit move patterns.
1145 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
1148 * Makefile.in (check-%): Depend on site.exp instead of
1149 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
1152 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1154 * global.c (global_alloc): Make it static.
1155 * rtl.h: Remove the prototype for global_alloc.
1157 2006-01-16 Richard Guenther <rguenther@suse.de>
1159 * tree-ssa-alias.c (struct used_part): Add write_only field.
1160 (get_or_create_used_part_for): Initialize it to true.
1161 (create_overlap_variables_for): Don't create structure variables
1162 for structures that only are written to.
1163 (find_used_portions): Handle MODIFY_EXPR to track whether a
1164 structure is only written to.
1166 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1168 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
1170 * basic-block.h: Remove the prototype for
1171 partition_hot_cold_basic_blocks.
1173 2006-01-16 Rafael ���vila de Esp����Ândola <rafael.espindola@gmail.com>
1175 * cppspec.c (lang_specific_spec_functions): remove
1176 * gcc.c (lookup_spec_function): use static_spec_functions directelly
1177 * gcc.h (lang_specific_spec_functions): remove
1178 * gccspec.c (lang_specific_spec_functions): remove
1180 2005-01-16 Paolo Bonzini <bonzini@gnu.org>
1182 * combine.c (record_value_for_reg): Invalidate registers
1184 (record_dead_and_set_regs_1): Likewise, by passing them to
1185 record_value_for_reg.
1186 (record_dead_and_set_regs): Invalidate stores made by a
1187 call. We do not combine across a call, but we still
1188 relied on equivalences.
1190 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
1192 * tree-vrp.c (extract_range_from_binary_expr): Cope with
1193 vrp_int_const_binop returning non-constant nodes.
1195 2006-01-16 Paul Brook <paul@codesourcery.com>
1197 * config/m68k/m68k.c (output_move_const_into_data_reg):
1198 Output correct mnemonic for mvz and mvs.
1200 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
1202 * rtl-factoring.c: Add sequence abstraction algorithm.
1203 * cfgcleanup.c (outgoing_edges_match): Extra checks.
1204 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
1206 (block_has_preserve_label): New function.
1207 * common.opt: Register new pass.
1208 * Makefile.in: Ditto.
1210 * timevar.def: Ditto.
1211 * tree-pass.h: Ditto.
1212 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
1213 * rtl.h (make_jump_insn_raw): Add forward decl.
1214 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
1216 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
1217 Roger Sayle <roger@eyesopen.com>
1219 * fold-const.c (fold_minmax): New static function.
1220 (fold_binary) <MIN_EXPR>: Call it.
1221 <MAX_EXPR>: Likewise.
1222 * stor-layout.c (place_field): Use DECL_SIZE consistently
1223 in the computation of the new record size.
1225 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1227 * cse.c (cse_condition_code_reg): Make it static.
1228 * rtl.h: Remove the prototype for cse_condition_code_reg.
1230 * combine.c (combine_instructions): Make it static.
1231 * rtl.h: Remove the prototype for combine_instructions.
1233 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1236 * tree.c (get_file_function_name_long): Concatenate the first global
1237 object name with a string derived from the input filename of the object
1240 2006-01-16 Ben Elliston <bje@au.ibm.com>
1242 * config/i386/winnt-stubs.c: Update FSF address.
1243 * config/xtensa/ieee754-df.S: Ditto.
1244 * config/xtensa/ieee754-sf.S: Ditto.
1246 2006-01-14 Ian Lance Taylor <ian@airs.com>
1248 * ifcvt.c (noce_init_if_info): New static function, broken out of
1249 noce_process_if_block.
1250 (noce_process_if_block): Call noce_init_if_info.
1251 (check_cond_move_block): New static function.
1252 (cond_move_process_if_block): New static function.
1253 (process_if_block): Call cond_move_process_if_block.
1255 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
1257 * cselib.c (hash_table): Rename to cselib_hash_table.
1258 (cselib_clear_table, discard_useless_values,
1259 remove_useless_values, cselib_lookup_mem, cselib_lookup,
1260 cselib_init, cselib_finish): Adjust uses of hash_table.
1262 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
1264 PR tree-optimization/25485
1265 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
1266 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
1267 is known to be false and true, respectively.
1269 2006-01-14 Richard Guenther <rguenther@suse.de>
1271 PR tree-optimization/22548
1272 PR tree-optimization/22555
1273 PR tree-optimization/22501
1274 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
1275 * params.def (salias-max-array-elements): New parameter.
1276 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
1277 * doc/invoke.texi (salias-max-array-elements): Document.
1278 * tree-flow-inline.h (var_can_have_subvars): We also handle
1280 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
1282 * tree-ssa-structalias.c (params.h): Include.
1283 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
1284 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
1285 (get_constraint_for): For ADDR_EXPR operating on something
1286 containing an ARRAY_REF, add all subvars to the solution.
1287 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
1288 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
1289 for creating MUST_DEFs.
1290 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
1292 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
1294 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
1296 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
1297 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1298 number_of_iterations_le): New functions.
1299 (number_of_iterations_special): Removed.
1300 (number_of_iterations_exit): Do not use number_of_iterations_special.
1301 * tree.c (unsigned_type_for): Always return integer type.
1303 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
1304 Richard Guenther <rguenther@suse.de>
1306 PR rtl-optimization/24257
1307 * gcse.c (find_moveable_store): Only consider a store movable
1308 when the SET_SRC of the insn can be assigned to a register.
1310 2006-01-14 Ian Lance Taylor <ian@airs.com>
1312 * tree.c (tree_not_class_check_failed): New function.
1313 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
1314 (tree_not_class_check_failed): Declare.
1316 2006-01-13 Ian Lance Taylor <ian@airs.com>
1318 * reload1.c (do_output_reload): Add assertion rejecting a
1321 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
1323 * combine.c (struct reg_stat): Add new fields truncation_label and
1325 (record_value_for_reg): Reset truncated_to_mode.
1326 (record_truncated_value): New function.
1327 (check_promoted_subreg): Call it. Rename to check_conversions.
1328 (combine_instructions): Rename check_promoted_subreg to
1330 (reg_truncated_to_mode): New function.
1331 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
1332 (gen_lowpart_or_truncate): New function.
1333 (force_to_mode): Use it instead of gen_lowpart.
1335 2006-01-13 Diego Novillo <dnovillo@redhat.com>
1337 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
1338 VAR is a tag, not its type tag.
1340 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
1342 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
1343 alternatives to match style of other entries.
1344 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
1346 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
1348 PR tree-optimization/25771
1349 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
1352 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
1355 * tree-inline.c (declare_return_variable): If the return variable
1356 was marked as a non gimple complex, set the return slot variable
1357 to be a non gimple comple variable.
1359 2006-01-13 Richard Guenther <rguenther@suse.de>
1361 * builtins.c (expand_builtin_sincos): New function.
1362 (expand_builtin_mathfn_3): Remove dead code, sin and cos
1364 (expand_builtin): Expand sincos using expand_builtin_sincos.
1366 2006-01-12 DJ Delorie <dj@redhat.com>
1368 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
1369 shift counts, separate SI shifts for m32c vs m16c, pass shift type
1370 so that constant shifts can be split.
1371 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
1372 (m32c_valid_pointer_mode): Make static.
1373 (shift_gen_func_for): New.
1374 (m32c_prepare_shift): Use it. Split large const shifts into
1376 * config/m32c/predicates.md (shiftcount_operand): Allow more
1378 (longshiftcount_operand): New.
1379 * doc/md.texi (Machine Constraints): Document In6.
1381 2006-01-13 Ben Elliston <bje@au.ibm.com>
1383 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
1384 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
1387 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
1389 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
1390 to try to avoid clobbering pieces of structures when we know
1391 something about the whole structure.
1392 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
1394 2006-01-13 Ben Elliston <bje@au.ibm.com>
1396 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
1397 return in memory, as this is no limitation is no longer present.
1399 2006-01-12 DJ Delorie <dj@redhat.com>
1401 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
1402 mova with fb, and for fb+0 -> An.
1404 * config/m32c/mov.md (peephole2): Fix enabling logic.
1406 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
1407 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
1408 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
1409 FINI_ARRAY_SECTION_ASM_OP): Define.
1411 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
1413 (m32c_legitimize_reload_address): New logic to reload FB to An.
1414 (m32c_output_reg_push): Add newline.
1415 (m32c_output_reg_pop): Likewise.
1417 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
1419 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
1421 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
1423 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
1425 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
1427 * config/sh/predicates.md (sh_rep_vec): Add parallel to
1430 2006-01-11 Ben Elliston <bje@au.ibm.com>
1432 * rtlanal.c (find_reg_note): Assert insn is not null.
1434 2005-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
1436 * df-scan.c (df_hard_reg_init): Move declaration of i outside
1439 2006-01-11 Jeff Law <law@redhat.com>
1441 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
1443 (mark_threaded_blocks, register_jump_thread): New functions.
1444 (thread_through_all_blocks): Remove unwanted argument. No
1445 longer rely on e->aux to communicate thread target info.
1446 Call mark_threaded_blocks. Release the threaded_blocks
1447 bitmap and threaded_edges vector when complete.
1448 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
1449 (threaded_blocks): Remove.
1450 (tree_ssa_dominator_optimize): Remove initialization and
1451 finalization of threaded_blocks. Simplify call to
1452 thread_through_all_blocks.
1453 (thread_across_edge): Call register_jump_thread rather than
1454 storing thread information into e->aux.
1455 (free_all_edge_infos): Simplify now that e->aux is no longer
1456 used to communicate with thread_through_all_blocks.
1457 * tree-flow.h (thread_through_all_blocks): Update prototype.
1458 (register_jump_thread): Prototype.
1460 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
1462 * df-core.c (df_compact_blocks, df_bb_replace): Use
1463 SET_BASIC_BLOCK instead of BASIC_BLOCK.
1465 2006-01-11 Richard Guenther <rguenther@suse.de>
1467 PR tree-optimization/25734
1468 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
1469 stop propagation after successful propagation to the LHS.
1471 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
1473 * basic-block.h (control_flow_graph): Change the type of
1474 x_basic_block_info to VEC(basic_block,gc) *.
1475 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
1477 (SET_BASIC_BLOCK): New.
1478 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
1479 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
1480 * cfgbuild.c (find_basic_blocks): Likewise.
1481 * cfglayout.c (fixup_reorder_chain): Likewise.
1482 * cfgrtl.c (create_basic_block_structure,
1483 rtl_create_basic_block): Likewise.
1484 * ifcvt.c (find_if_case_1): Likewise.
1485 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
1488 2005-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
1490 * Makefile.in: Removed rotted odf.c entry.
1492 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
1495 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
1496 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
1497 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
1498 output pattern modifier, not %e.
1499 * config/cris/cris.c (cris_op_str): Update comment about pattern
1501 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
1502 before falling through into...
1503 <case 'E'>: Redefined from old 'e' case.
1505 2006-01-11 Jan Hubicka <jh@suse.cz>
1508 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
1510 2006-01-11 Jan Hubicka <jh@suse.cz>
1512 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
1513 * i386.c (x86_decompose_lea): Kill.
1514 (ix86_rtx_costs): Kill.
1516 2006-01-11 Jan Hubicka <jh@suse.cz>
1518 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
1519 * cgraph.h (cgraph_node): Add inline_decl.
1520 (cgraph_insert_node_to_hashtable): Declare.
1521 (save_inline_function_body): Declare.
1522 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
1524 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
1525 (cgraph_function_versioning): Update call of tree_function_versioning.
1526 (save_inline_function_body): New function.
1527 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
1528 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
1529 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
1530 (cgraph_default_inline_p): Likewise.
1531 (cgraph_decide_inlining_incrementally): Likewise.
1532 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
1533 (copy_bb): Kill saving; do updating of clones.
1534 (copy_cfg_body): Kill saving.
1535 (initialize_inlined-parameters): Likewise.
1536 (expand_call_inline): Likewise.
1538 (tree_function_versioning): New parameter "update_clones".
1539 (inlining_p): Kill saving.
1540 * tree-inline.h (tree_function_versioning): Update prototype.
1541 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
1544 2006-01-11 Ian Lance Taylor <ian@airs.com>
1546 * combine.c (struct undo): Remove is_int. Enumify types of undos.
1547 Allow undoing set of machine mode.
1548 (do_SUBST): Use enums instead of is_int.
1549 (do_SUBST_MODE): New function.
1550 (SUBST_MODE): New macro.
1551 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
1552 reg and trying to replace reg_regno_rtx with a new register.
1553 (undo_all): Use new enums, handle undoing a PUT_MODE change.
1554 (simplify_set): Use SUBST_MODE.
1555 (distribute_notes): Remove code that tried to update reg notes
1556 for regno_reg_rtx changes.
1558 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
1560 PR tree-optimization/23109
1561 PR tree-optimization/23948
1562 PR tree-optimization/24123
1564 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
1565 * tree-cfg.c (single_noncomplex_succ): New.
1566 * tree-flow.h (single_noncomplex_succ): Declare it.
1567 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
1568 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
1569 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
1570 insert_bb, register_division_in, insert_reciprocals,
1571 replace_reciprocal, free_bb): New.
1572 (execute_cse_reciprocals_1): Rewritten.
1573 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
1574 Do not commit any edge insertion. Always compute dominators and
1575 create the allocation pool.
1576 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
1577 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
1578 * targhooks.c (default_min_divistions_for_recip_mul): New.
1579 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
1580 * passes.c (init_optimization_passes): Run recip after tree loop
1582 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
1584 2005-01-11 Danny Berlin <dberlin@dberlin.org>
1585 Kenneth Zadeck <zadeck@naturalbridge.com>
1587 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
1588 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
1589 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
1590 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
1591 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
1592 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
1593 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
1594 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
1595 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
1596 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
1597 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
1598 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
1599 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
1600 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
1601 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
1602 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
1603 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
1604 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
1605 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
1606 DF_SCAN_POST_ALLOC): New macros.
1607 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
1608 df_free_bb_function, df_local_compute_function, df_init_function,
1609 df_dataflow_function, df_confluence_function_0,
1610 df_confluence_function_n, df_transfer_function,
1611 df_finalizer_function, df_free_function, df_dump_problem_function,
1612 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
1613 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
1614 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
1615 df_urec_bb_info, ) New types.
1616 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
1618 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
1619 df_analyze_simple_change_some_blocks,
1620 df_analyze_simple_change_one_block, df_compact_blocks,
1621 df_bb_replace, df_bb_regno_last_use_find,
1622 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
1623 df_insn_regno_def_p, df_find_def, df_find_use,
1624 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
1625 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
1626 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
1627 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
1628 debug_df_chain, df_get_dependent_problem, df_chain_create,
1629 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
1630 df_grow_bb_info, df_chain_dump, df_print_bb_index,
1631 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
1632 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
1633 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
1634 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
1635 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
1636 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
1637 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
1638 df_ref_remove, df_insn_refs_delete, df_refs_delete,
1639 df_reorganize_refs, df_set_state, df_hard_reg_init,
1640 df_read_modify_subreg_p) New public functions.
1641 * df-core.c: The core dataflow solver and glue routines for rtl
1643 (df_init, df_add_problem, df_set_blocks, df_finish,
1644 df_hybrid_search_forward, df_hybrid_search_backward,
1645 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
1646 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
1647 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
1648 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
1649 df_reg_defined, df_find_use, df_reg_used, df_dump,
1650 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
1651 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
1652 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
1653 debug_df_useno, reset_df_after_reload): New functions.
1654 * df-scan.c: The scanning fuctions, once in df.c, completely
1655 rewritten so that they now fully model the functionality of
1656 register usage at the backend.
1657 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
1658 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
1659 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
1660 df_grow_insn_info, df_rescan_blocks, df_ref_create,
1661 df_get_artificial_defs, df_get_artificial_uses,
1662 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
1663 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
1664 df_refs_delete, df_reorganize_refs, df_set_state,
1665 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
1666 df_def_record_1, df_defs_record, df_uses_record,
1667 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
1668 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
1669 df_record_exit_block_uses, df_hard_reg_init): New functions.
1671 * df-problems.c: Seven concrete dataflow problems that use the
1672 scanning in df-scan.c and are solved by the engine in df-core.c.
1673 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
1674 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
1675 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
1676 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
1677 df_ru_free_bb_info, df_ru_alloc,
1678 df_ru_bb_local_compute_process_def,
1679 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
1680 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
1681 df_ru_transfer_function, df_ru_free, df_ru_dump,
1682 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
1683 df_rd_free_bb_info, df_rd_alloc,
1684 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
1685 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
1686 df_rd_transfer_function, df_rd_free, df_rd_dump,
1687 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
1688 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
1689 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
1690 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
1691 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
1692 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
1693 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
1694 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
1695 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
1696 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
1697 df_urec_mark_reg_change, df_urec_check_earlyclobber,
1698 df_urec_mark_reg_use_for_earlyclobber,
1699 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
1700 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
1701 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
1702 df_urec_dump, df_urec_add_problem, df_chain_alloc,
1703 df_chain_create_bb_process_use, df_chain_create_bb,
1704 df_chain_finalize, df_chain_free, df_chains_dump,
1705 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
1706 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
1707 df_reg_lifetime): New functions.
1708 * df.c: Deleted file.
1709 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
1710 consistent with new df api.
1711 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
1712 rest_of_handle_sms): Ditto.
1713 * web.c (unionfind_union, union_defs, entry_register, web_main):
1715 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
1716 invariant_expr_equal_p, find_defs, check_dependencies,
1717 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
1718 free_inv_motion_data, move_loop_invariants): Ditto.
1719 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
1720 Update dependencies.
1721 (odf.c): Added defective entry that was deleted later in day.
1722 * sched-deps.c (sched_analyze_1): Ditto.
1724 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
1726 * tree-ssa-operands.c (get_expr_operands): Record addressable
1727 variables directly. Do not call add_stmt_operands for CONST_DECLs
1729 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
1730 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
1732 2006-01-11 Ben Elliston <bje@au.ibm.com>
1734 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
1735 function returns true in the positive case.
1737 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1740 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
1741 for SI, DI, SF and DF modes. Add alternatives to copy between
1742 general and floating point registers to the 32-bit patterns.
1743 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
1744 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
1745 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
1746 generating 64-bit code.
1747 * config/pa/pa.c (output_move_double): Handle copies between general
1748 and floating registers.
1750 2006-01-10 Stuart Hastings <stuart@apple.com>
1752 * config/i386/i386.md (set_got): Update.
1753 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
1754 (builtin_setjmp_receiver): Mach-O support.
1755 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
1756 (GOT_SYMBOL_NAME): Define.
1757 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
1758 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
1759 * config/i386/i386.c (override_options): Revise for Darwin.
1760 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
1761 support. (darwin_x86_file_end): New. (output_set_got): Add label
1762 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
1763 * config/i386/i386-protos.h (output_set_got): Likewise.
1764 * config/darwin.c (machopic_legitimize_pic_address): Update
1767 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
1769 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
1770 when MODE isn't BLKmode.
1772 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1774 PR rtl-optimization/25367
1775 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
1777 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
1780 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
1781 for a negative bound.
1783 2006-01-10 Richard Guenther <rguenther@suse.de>
1785 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1786 Never override with anything constraint.
1788 2006-01-10 Jan Beulich <jbeulich@novell.com>
1790 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
1791 256 bits when optimize_size.
1793 2006-01-10 Jan Beulich <jbeulich@novell.com>
1795 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
1797 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
1798 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
1801 2006-01-10 Ben Elliston <bje@au.ibm.com>
1803 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
1805 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
1806 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
1807 (USE_FP_FOR_ARG): Reject decimal float modes.
1808 (function_arg_advance): Likewise.
1809 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
1810 (rs6000_handle_altivec_attribute): Do not permit decimal floating
1811 point types in AltiVec vectors.
1812 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
1813 (rs6000_libcall_value): Likewise.
1815 2006-01-09 Bob Wilson <bob.wilson@acm.org>
1817 * config/xtensa/ieee754-df.S: New file.
1818 * config/xtensa/ieee754-sf.S: New file.
1819 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
1820 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
1821 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
1823 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
1825 * config/sh/predicates.md (binary_float_operator,
1826 binary_logical_operator, commutative_float_operator,
1827 equality_comparison_operator, greater_comparison_operator,
1828 less_comparison_operator, logical_operator,
1829 noncommutative_float_operator, shift_operator,
1830 symbol_ref_operand, unary_float_operator): Remove redundant
1833 2006-01-09 Jeff Law <law@redhat.com>
1835 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
1836 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
1837 now unused arguments. Callers updated.
1838 (eliminate_redundant_computations): Remove now unused arguments,
1840 (local_fold): Remove, no longer used.
1841 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
1843 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
1844 (simplify_cond): New function.
1845 (forward_propagate_into_cond): Call simplify_cond.
1847 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
1849 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
1850 (*vec_extractv2di_1_sse): New.
1852 2006-01-09 Ben Elliston <bje@au.ibm.com>
1854 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
1856 2006-01-08 Richard Guenther <rguenther@suse.de>
1858 * tree-ssa-structalias.c (get_constraint_for): Remove
1860 (get_constraint_for_component_ref): Likewise.
1861 (do_deref): Likewise.
1862 (get_constraint_for): Likewise.
1863 (do_structure_copy): Likewise.
1864 (handle_ptr_arith): Likewise.
1865 (find_func_aliases): Likewise. Remove unused need_anyoffset
1868 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
1869 Kaz Kojima <kkojima@gcc.gnu.org>
1871 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
1872 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
1873 (EXTRA_CONSTRAINT_C16): Remove.
1874 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
1875 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
1876 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
1877 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
1878 constants of SHmedia. Handle nested constant expressions of
1880 (andcosts): Fix the costs for SHmedia constants.
1881 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
1882 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
1883 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
1884 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
1885 (movv4hi_i, movv2si_i): Likewise.
1886 (movsi_const): Adjust the second operand of ior so to match with
1888 (movdi_const, movdi_const_32bit): Likewise.
1889 (movdi_const_16bit+1): Don't sign-extend LOW.
1890 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
1892 (*double_shori): Fix the split condition. Use GEN_INT instead
1893 of get_int_mode calls. Mask lower 16-bit of the argument of
1895 (sym2GOTPLT): Remove.
1896 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
1898 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
1899 instead of EXTRA_CONSTRAINT_C16.
1901 2006-01-07 Ian Lance Taylor <ian@airs.com>
1902 David Edelsohn <edelsohn@gnu.org>
1904 PR rtl-optimization/25662
1905 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
1906 for constant operands instead of simplify_gen_binary.
1907 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
1908 after trying simplify_binary_operation
1910 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
1912 * tree.c (iterative_hash_expr): Hash decls based on UID.
1914 2006-01-06 Eric Christopher <echristo@apple.com>
1916 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
1917 (TARGET_UNWIND_EMIT): Fix spelling.
1918 * target.h (gcc_target): Add except_table_label.
1919 * except.c (output_function_exception_table): Use.
1920 * varasm.c (default_emit_except_table_label): New.
1921 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
1923 (asm_out): Add here.
1924 * output.h (default_emit_except_table_label): Prototype.
1925 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
1926 * config/darwin.c (darwin_emit_except_table_label): Define.
1927 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
1929 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
1931 PR tree-optimization/18527
1932 * tree-ssa-loop-niter.c (number_of_iterations_cond,
1933 number_of_iterations_special, number_of_iterations_exit):
1934 Move base and step of an iv to a single structure. Add
1935 no_overflow flag, and use it in # of iterations analysis.
1936 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
1937 folded_casts argument.
1938 (simple_iv): Pass base and step in a structure. Set no_overflow
1940 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
1941 Evaluate expensiveness of computing # of iterations instead of
1942 the final expression.
1943 * tree-scalar-evolution.h (affine_iv): New structure.
1944 (simple_iv): Declaration changed.
1945 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
1946 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
1947 find_givs_in_stmt): Changed due to simple_iv change.
1949 2006-01-06 Jeff Law <law@redhat.com>
1952 * tree-cfg.c (bsi_replace): Rename final argument from
1953 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
1954 change (stmt -> orig_stmt).
1955 * tree-eh.c (verify_eh_throw_stmt_node): New function.
1956 (bsi_remove): Add new argument. Remove EH information
1958 (verify_eh_throw_table_statements): New function.
1959 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
1961 * tree-optimize.c (execute_free_cfg_annotations): Verify
1962 the EH throw statement table after removing annotations.
1963 * except.h (verify_eh_throw_table_statements): Prototype.
1964 * tree-flow.h (bsi_remove): Update prototype.
1965 * tree-vrp.c (remove_range_assertions): Add new argument to
1967 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
1968 * tree-complex.c (expand_complex_div_wide): Likewise.
1969 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
1970 * tree-tailcall.c (eliminate_tailcall): Likewise.
1971 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
1972 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
1973 * tree-nrv.c (tree_nrv): Likewise.
1974 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
1975 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
1976 (combine_blocks): Likewise.
1977 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
1978 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
1979 (cleanup_control_flow): Likewise.
1980 (remove_forwarder_block): Likewise.
1981 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
1982 * tree-sra.c (sra_replace): Likewise.
1983 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
1984 (forward_propagate_single_use_vars): Likewise.
1985 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
1986 * tree-inline.c (expand_call_inline): Likewise.
1987 * tree-vect-transform.c (vect_transform_loop): Likewise.
1988 * tree-outof-ssa.c (rewrite_trees): Likewise.
1989 * tree-cfg.c (make_goto_expr_edges): Likewise.
1990 (cleanup_dead_labels): Likewise.
1991 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
1992 (bsi_move_before, bsi_move_after): Likewise.
1993 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
1994 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
1996 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
1999 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
2001 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
2002 on non gimple variables. Also add checks at the top for decls and
2004 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
2006 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
2007 and IMAGPART_EXPR for creating MUST_DEFs.
2008 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
2009 and NAME_MEMORY_TAG separately from the DECLs.
2011 2006-01-06 Richard Guenther <rguenther@suse.de>
2013 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
2014 annotation, if necessary.
2015 * tree-ssa-pre.c (create_expression_by_pieces): Remove
2016 redundant calls to update_stmt.
2017 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
2020 2006-01-05 Richard Henderson <rth@redhat.com>
2022 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
2024 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
2026 * c-typeck.c: Update copyright date.
2028 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
2030 * c-typeck.c (build_c_cast): Always warn when casting
2031 from a pointer to an integer of different size, even if
2032 the node was constant.
2034 2006-01-05 Richard Guenther <rguenther@suse.de>
2036 PR tree-optimization/22555
2037 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
2038 if one structure field is an array.
2039 * tree-ssa-operands.c (get_expr_operands): Continue scanning
2040 operands even if we found a subvar, but ignore VOPs in this
2042 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
2044 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
2046 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
2049 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
2051 2006-01-05 Richard Guenther <rguenther@suse.de>
2052 Diego Novillo <dnovillo@redhat.com>
2054 * tree-pass.h (TODO_remove_unused_locals): Define.
2055 * gimple-low.c (expand_var_p, remove_useless_vars,
2056 pass_remove_useless_vars): Remove. Update all users.
2057 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
2058 (remove_unused_locals): New function.
2059 * tree-flow.h (remove_unused_locals): Declare.
2060 * passes.c (execute_todo): Call remove_unused_locals if
2061 TODO_remove_unused_locals is set.
2062 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
2063 * tree-ssa-dce.c (pass_dce): Likewise.
2064 * tree-outof-ssa.c (pass_del_ssa): Likewise.
2066 2006-01-05 Richard Guenther <rguenther@suse.de>
2068 * tree-flow.h (struct fieldoff): Decompose field to
2069 type, size and decl.
2070 * tree-ssa-alias.c (create_sft): Take type as parameter.
2071 (create_overlap_variables_for): Store type, size and decl
2072 in the fieldoff structure.
2073 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
2075 (push_fields_onto_fieldstack): Likewise.
2076 (create_variable_info_for): Likewise. Use offset for the
2077 SFT name if the decl is not available.
2079 2006-01-04 Paul Brook <paul@codesourcery.com>
2081 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
2083 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
2085 * lambda-code.c (can_put_in_inner_loop): Relax
2087 (can_put_after_inner_loop): New function.
2088 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
2089 (perfect_nestify): Change to make copies and modify uses.
2091 2006-01-04 Richard Henderson <rth@redhat.com>
2093 Merge from gomp branch:
2094 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
2095 via integer constant.
2096 (pragma_lex): Remove.
2097 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
2098 rather than parsing it.
2099 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
2100 handle_pragma_extern_prefix): Add %< %> quotes.
2101 (registered_pragmas): New.
2102 (c_register_pragma_1): New.
2103 (c_register_pragma): Use it.
2104 (c_register_pragma_with_expansion): Likewise.
2105 (c_invoke_pragma_handler): New.
2106 (init_pragma): Use cpp_register_deferred_pragma directly for
2108 * c-pragma.h (enum pragma_kind): New.
2109 (pragma_handler): New.
2110 (c_invoke_pragma_handler): Declare.
2111 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
2113 * c-common.h (c_common_pch_pragma): Update decl.
2114 * Makefile.in (c-parser.o): Update dependencies.
2115 (GTFILES): Add c-pragma.h.
2116 * c-parser.c (struct c_token): Add pragma_kind.
2117 (struct c_parser): Add in_pragma.
2118 (c_lex_one_token): Always initialize keyword and pragma_kind.
2119 Extract data for CPP_PRAGMA.
2120 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
2121 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
2122 Don't allow CPP_PRAGMA_EOL if in_pragma.
2123 (c_parser_consume_pragma): New.
2124 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
2125 (c_parser_skip_to_end_of_parameter): Likewise.
2126 (c_parser_skip_to_end_of_block_or_statement): Likewise.
2127 (c_parser_skip_to_pragma_eol): New.
2128 (c_parser_external_declaration): Handle CPP_PRAGMA.
2129 (c_parser_compound_statement_nostart): Likewise.
2130 (c_parser_statement_after_labels): Likewise.
2131 (c_parser_pragma): New.
2132 (pragma_lex): Likewise.
2133 (c_parser_pragma_pch_preprocess): New.
2134 (c_parser_new): Merge into ...
2135 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
2137 2006-01-04 Jeff Law <law@redhat.com>
2140 * tree-cfg.c (bsi_replace): Remove the original statement
2141 from the EH throw statement table.
2143 2006-01-04 Jakub Jelinek <jakub@redhat.com>
2145 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
2146 make the prototype extern "C" and add throw ().
2149 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
2150 and pos non-negative and pos + len <= 32.
2151 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
2152 drop pos + len < HOST_BITS_PER_WIDE_INT test.
2153 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
2156 * c-common.c (handle_vector_size_attribute): Reject zero vector size
2157 as well as sizes not multiple of component size.
2160 * function.c (instantiate_expr): New function.
2161 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
2162 walk its DECL_VALUE_EXPR with instantiate_expr.
2164 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
2165 DW_OP_deref{,_size} if address isn't going to be added.
2167 2006-01-04 Ben Elliston <bje@au.ibm.com>
2169 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
2170 * config/fp-bit.c: Likewise.
2172 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
2174 * dominance.c: Add comment about why we use DFS numbering
2177 2006-01-03 Jakub Jelinek <jakub@redhat.com>
2178 Richard Henderson <rth@redhat.com>
2180 Merge from gomp-branch:
2181 * varasm.c (assemble_variable): Handle thread-local COMMON data.
2182 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
2184 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
2186 PR rtl-optimization/25578
2187 * combine.c (combine_simplify_rtx, force_to_mode): Don't
2188 pass a parameter to simplify_shift_const if changing ASHIFTRT
2191 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
2193 * builtins.c (get_builtin_sync_mem): New function.
2194 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
2195 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
2196 Call get_builtin_sync_mem to generate mem rtx.
2198 2006-01-03 Richard Guenther <rguenther@suse.de>
2201 * stmt.c (add_case_node): Make sure to clear overflow flags
2204 2006-01-03 Jakub Jelinek <jakub@redhat.com>
2206 Merge from gomp-branch.
2207 * config/sparc/sync.md: New file.
2208 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
2209 UNSPECV_LDSTUB): New constants.
2210 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
2211 * config/sparc/predicates.md (memory_reg_operand): New predicate.
2212 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
2215 2006-01-03 Roger Sayle <roger@eyesopen.com>
2217 * combine.c (reg_subword_p): New predicate to test whether the
2218 destination of a set refers to a subword/piece of a register.
2219 (try_combine): Generalize the code to merge the setting of a
2220 pseudo to a constant followed by a set of a subword of that
2221 register to a constant.
2223 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
2225 * basic-block.h (control_flow_graph): Change the type of
2226 x_label_to_block_map to VEC(basic_block,gc) *.
2227 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
2228 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
2230 * tree-ssa-propagate.c (cfg_blocks): Change the type to
2231 VEC(basic_block,heap) *.
2232 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
2233 ssa_prop_fini): Adjust the uses of cfg_blocks.
2235 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
2237 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
2239 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
2240 hashing trees instead of a pointer hash.
2241 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
2242 compare for MEM_EXPR.
2244 PR rtl-optimization/25130
2245 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
2246 when comparing MEMs for GCSE
2248 2006-01-03 Ben Elliston <bje@au.ibm.com>
2250 * targhooks.h (default_decimal_float_supported_p): Declare.
2251 * targhooks.c (default_decimal_float_supported_p): Define.
2252 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
2253 `default_decimal_float_supported_p'.
2254 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
2256 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
2258 * combine.c (apply_distributive_law <SUBREG>): Check
2259 TRULY_NOOP_TRUNCATION.
2261 2006-01-02 Geoffrey Keating <geoffk@apple.com>
2263 * dwarf2out.c (have_switched_text_section): Delete.
2264 (have_multiple_function_sections): New.
2265 (have_location_lists): Make 'bool'.
2266 (add_AT_loc_list): Use 'true' not '1'.
2267 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
2268 (output_loc_list): Use have_multiple_function_sections.
2269 (output_ranges): Likewise.
2270 (dwarf2out_begin_function): Set have_multiple_function_sections if
2272 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
2273 Check function_section rather than DECL_SECTION_NAME.
2274 (dwarf2out_finish): Use have_multiple_function_sections.
2275 Don't clear have_location_lists.
2277 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
2278 Jan Hubicka <jh@suse.cz>
2280 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
2281 case of conditional jump jumping to the next instruction.
2282 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
2283 cases of conditional jump jumping to the next instruction.
2285 2006-01-02 Jan Hubicka <jh@suse.cz>
2287 * i386.c (*_cost): Add COSTS_N_INSNS.
2288 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
2290 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
2293 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
2295 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2297 * config/arm/arm.c (all_fpus): Fix comment typo.
2298 * config/darwin.c: Likewise.
2299 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
2300 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
2301 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
2303 2006-01-01 David Edelsohn <edelsohn@gnu.org>
2305 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
2306 (rs6000_split_compare_and_swapqhi): New.
2307 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
2308 (sync_compare_and_swapqhi_internal): New.
2309 * config/rs6000/rs6000-protos.h: Declare.