1 2006-01-20 Richard Sandiford <richard@codesourcery.com>
3 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
6 2006-01-20 Richard Guenther <rguenther@suse.de>
7 Steven Bosscher <stevenb.gcc@gmail.com>
9 PR rtl-optimization/24626
10 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
11 EDGE_TRUE_VALUE if in RTL mode.
14 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
17 2006-01-20 Dirk Mueller <dmueller@suse.com>
20 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
21 instead of a special NOP marker.
22 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
24 * c-common.h (empty_body_warning): Add forward declaration.
25 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
26 Now uses IS_EMPTY_STMT() instead of special NOP markers.
28 2005-01-20 Paul Brook <paul@codesourcery.com>
30 * Makefile.in (lang_checks): Keep going if mkdir fails.
32 2005-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
34 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
35 be able to clean out basic block when not necessary.
36 (df_scan_free): Fixed to properly delete information if df is
37 unused before calling df_finish.
38 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
39 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
41 (df_bb_refs_delete): New function.
42 (df_refs_delete): Moved per block code to df_bb_refs_delete.
43 * df-core.c (df_set_blocks): Added code to properly clean out
44 unused blocks if they are not part of the blocks to consider.
45 Added additional null check.
46 (df_compact_blocks): Added basic block parameter to free_bb_fun to
47 be able to clean out basic block when not necessary
48 * df.h (df_free_bb_function): Ditto.
49 (df_bb_refs_delete): New function.
50 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
51 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
52 basic block parameter to be able to clean out basic block when not
54 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
55 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
56 Fixed to properly delete information if df is unused before
59 2005-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
61 PR rtl-optimization/25799
62 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
63 Corrected confluence operator to remove bits from op2 before oring
64 with op1 rather than removing bits from op1.
65 (df_ru_transfer_function): Corrected test on wrong bitmap which
66 caused infinite loop. Both of these problems were introduced in
69 2006-01-19 DJ Delorie <dj@redhat.com>
71 * reload1.c (find_reload_regs): Note the details of reload
72 failures in the dump file.
73 (spill_failure): Likewise.
75 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
77 * loop-iv.c: Include df.h and hashtab.h.
78 (enum iv_grd_result): New enum.
79 (DF_REF_IV, DF_REF_IV_SET): New macros.
80 (struct biv_entry): New.
81 (df, bivs): New global variables.
82 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
83 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
85 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
86 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
87 analyzed_for_bivness_p, record_biv): New functions.
88 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
89 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
90 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
92 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
94 (iv_number_of_iterations): Use new interface to iv analysis.
95 * loop-unroll.c: Do not include varray.h.
96 (analyze_iv_to_split_insn): Use new interface to iv
98 * loop-unswitch.c (may_unswitch_on): Ditto.
99 * df.c (df_bitmaps_free): Only work for bbs for that structures are
101 (df_bb_modify): Realloc tables to the new index.
102 (df_find_use): New function.
103 * df.h (df_find_use): Declare.
104 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
106 * cfgloop.h (struct rtx_iv): Remove analysed field.
107 (iv_get_reaching_def): Removed.
108 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
109 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
110 (loop-iv.o): Add df.h and hashtab.h dependency.
111 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
113 2006-01-20 Alan Modra <amodra@bigpond.net.au>
115 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
117 (__floatundisf, __floatundidf): Likewise.
118 * libgcc2.h (IS_IBM_EXTENDED): Define.
120 2006-01-19 DJ Delorie <dj@redhat.com>
122 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
124 2006-01-19 Paul Brook <paul@codesourcery.com>
126 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
127 as nothrow when unwinding tables are disabled.
129 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
132 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
133 of bit-field" when in system header.
135 2006-01-19 DJ Delorie <dj@redhat.com>
137 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
138 the 16 bit shift limit of the m16c.
140 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
143 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
144 * config/i386/i386.c (output_set_got): Output the label if we have one
145 for the TARGET_DEEP_BRANCH_PREDICTION case.
147 2006-01-19 Jan Hubicka <jh@suse.cz>
148 H.J. Lu <hongjiu.lu@intel.com>
149 Evandro Menezes <evandro.menezes@amd.com>
151 * invoke.texi (generic): Document
153 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
154 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
155 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
156 (x86_use_incdec, x86_pad_returns): New variables
157 (TARGET_CPU_DEFAULT_generic): New constant
158 (TARGET_CPU_DEFAULT_NAMES): Add generic.
159 (enum processor_type): Add generic32 and generic64.
160 * i386.md (cpu attribute): Add generic32/generic64
161 (movhi splitter): Behave sanely when both partial_reg_dependency and
162 partial_reg_stall are set.
163 (K8 splitters): Enable for generic as well.
164 * predicates.md (incdec_operand): Use TARGET_INCDEC
165 (aligned_operand): Avoid memory mismatch stalls.
166 * athlon.md: Enable for generic64, new patterns for 128bit moves.
167 * ppro.md: Enable for generic32
168 * i386.c (generic64_cost, generic32_cost): New.
169 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
170 (x86_use_leave): Enable for generic64. (x86_use_sahf,
171 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
172 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
173 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
174 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
175 x86_partial_reg_dependency, x86_memory_mismatch_stall,
176 x86_accumulate_outgoing_args, x86_prologue_using_move,
177 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
178 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
180 (x86_use_incdec, x86_pad_returns): New.
181 (override_options): Add generic32 and generic64, translate "generic"
182 to generic32/generic64 and "i686" to "generic32", refuse
183 "generic32"/"generic64" as arch target.
184 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
185 (ix86_reorg): Honor PAD_RETURNS.
187 2006-01-19 Diego Novillo <dnovillo@redhat.com>
189 * tree-pretty-print.c (dump_generic_node): Handle
190 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
191 * cgraph.c (cgraph_expand_queue): Rename from
192 cgraph_analyze_queue. Update all users.
193 * cgraphunit.c (cgraph_assemble_pending_functions): Process
195 (cgraph_expand_all_functions): Likewise.
196 (cgraph_finalize_pending_functions): Remove. Update callers.
198 * tree.h (OMP_DIRECTIVE_P): Define.
199 (OMP_PARALLEL_FN): Define.
200 (OMP_PARALLEL_DATA_ARG): Define.
201 (OMP_SECTIONS_SECTIONS): Define.
202 * tree-pass.h (pass_expand_omp): Declare.
203 * omp-low.c (struct omp_region): Declare.
204 (struct omp_context): Remove fields 'parallel_type',
205 'parallel_start_ix' and 'parallel_start_additional_args'.
207 (struct omp_for_data): Rename from struct expand_omp_for_data.
208 (omp_regions): New static variable.
209 (root_omp_region): New static variable.
210 (find_omp_clause): Make static.
211 (is_in_combined_parallel_ctx): Remove.
212 (is_combined_parallel): New.
213 (extract_omp_for_data): Move earlier in the file.
214 (workshare_safe_to_combine_p): New.
215 (get_ws_args_for): New.
216 (determine_parallel_type): Move earlier in the file.
217 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
219 (omp_copy_decl): Likewise.
220 (create_omp_child_function): Likewise.
221 (lookup_omp_region): New.
222 (dump_omp_region): New.
223 (debug_omp_region): New.
224 (debug_all_omp_regions): New.
225 (new_omp_region): New.
226 (scan_omp_parallel): If parallel_nesting_level > 1, the
227 directive is nested within another parallel directive.
229 (scan_omp_for): Do not try to handle combined parallel+for
231 Remove FIXME comment.
232 (scan_omp_nested): Remove.
233 (scan_omp_1): Do not call scan_omp_nested when
234 parallel_nesting_level is > 1.
235 Do not change the DECL_CONTEXT of local variables found.
236 (lookup_decl_in_outer_ctx): New.
237 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
238 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
239 (lower_reduction_clauses): Rename from expand_reduction_clauses.
240 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
241 If CTX is nested, lookup VAR in the outer context when
242 building copy assignment.
243 (lower_send_clauses): Rename from expand_send_clauses.
244 If CTX is nested, lookup VAR in the outer context when
245 building copy assignments.
246 (lower_send_shared_vars): Rename from expand_send_shared_vars.
247 If CTX is nested, lookup VAR in the outer context when
248 building copy assignments.
249 (expand_parallel_call): Rename from build_parallel_call.
250 Handle combined parallel+workshare cases.
251 Re-implement to emit code into the CFG.
253 (expand_omp_parallel): Re-implement to emit code into the CFG.
254 Call move_sese_region_to_fn to outline the sub-graph
255 containing the parallel region.
256 (expand_omp_for_1): Remove.
257 (expand_omp_for_generic): Re-implement to emit code into the
259 (expand_omp_for_static_nochunk): Likewise.
260 (expand_omp_for_static_chunk): Likewise.
261 (expand_omp_for): Likewise.
262 (expand_omp_sections): Likewise.
263 (remove_exit_barriers): New.
264 (expand_omp_synch): New.
266 (build_omp_regions_1): New.
267 (build_omp_regions): New.
268 (execute_expand_omp): New.
269 (gate_expand_omp): New.
270 (pass_expand_omp): Define.
271 (lower_omp_sections): Rename from expand_omp_sections.
272 Set OMP_SECTIONS_SECTIONS.
273 (lower_omp_single_simple): Rename from expand_omp_single_simple.
274 (lower_omp_single_copy): Rename from expand_omp_single_copy.
275 (lower_omp_single): Rename from expand_omp_simple.
276 (lower_omp_master): Rename from expand_omp_master.
277 (lower_omp_ordered): Rename from expand_omp_ordered.
278 (lower_omp_critical): Rename from expand_omp_critical.
279 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
280 (lower_omp_for): Re-implement.
281 (lower_omp_parallel): Re-implement.
282 (lower_regimplify): Rename from expand_regimplify.
283 (lower_omp_1): Rename from expand_omp_1.
284 If there are syntax errors in the program, replace every
285 OpenMP directive with NOP.
286 Call lower_omp_* instead of expand_omp_*.
287 (lower_omp): Rename from expand_omp.
289 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
290 * tree-gimple.h (enum omp_parallel_type): Remove.
291 (gimple_boolify): Declare extern.
292 (find_omp_clause, determine_parallel_type): Remove.
294 * gimple-low.c (lower_omp_directive): New.
295 (lower_stmt): Call it.
296 (record_vars_into): Move from ...
297 (record_vars): ... here.
298 Call record_vars_into with current_function_decl.
300 * gimplify.c (struct gimplify_ctx): Remove fields
301 combined_pre_p and combined_ctxp. Update users.
302 (get_formal_tmp_var): Add documentation.
303 (gimple_boolify): Make extern.
304 (gimplify_expr_in_ctx): Remove. Update callers.
305 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
306 will always be a BIND_EXPR.
307 (gimplify_expr): Handle OMP_RETURN_EXPR.
308 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
309 (OMP_PARALLEL): Add 3 operands.
310 (OMP_SECTIONS): Add 1 operand.
311 (OMP_RETURN_EXPR): Define.
313 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
314 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
315 * tree-iterator.c (alloc_stmt_list): Assert that we are not
316 creating a circular free list.
317 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
319 * tree-flow.h (move_sese_region_to_fn): Declare.
320 (record_vars_into): Declare.
321 * tree-cfg.c (make_omp_sections_edges): New.
322 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
323 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
324 OMP_SECTIONS and OMP_SECTION.
325 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
326 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
327 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
328 (gather_blocks_in_sese_region): New.
329 (struct move_stmt_d): Declare.
331 (move_block_to_fn): New.
332 (move_sese_region_to_fn): New.
334 * passes.c (init_optimization_passes): Schedule
335 pass_expand_omp after pass_init_datastructures.
337 * tree-ssa-operands.c (get_expr_operands): Handle
338 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
339 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
341 2006-01-19 Jeff Law <law@redhat.com>
343 * tree-vrp.c (extract_range_from_assert): Refine the result range
344 if the variable referenced by the ASSERT_EXPR has a range and
345 either the tentative result range or the previous range is a
348 2006-01-19 Richard Sandiford <richard@codesourcery.com>
350 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
352 2006-01-19 Jan Hubicka <jh@suse.cz>
354 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
356 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
358 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
359 (expand_compound_operation, expand_field_assignment): Fail if the
360 bit lengths of an extract operation are out of range.
361 (make_extraction): Compute wanted_inner_mode based on the position
362 and length of the extraction. Make it extraction_mode for non-constant
363 positions, and do not modify offset in that case. When generating a
364 new MEM, use a mode that can hold the extraction while keeping correct
365 alignment. Remove code that supported MEMs wrapped by USEs.
366 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
368 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
370 * config/s390/s390.md ("Y", "y"): New mode attribute.
371 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
372 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
373 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
374 "*addsi3_imm_cc", "*addsi3_carry1_cc",
375 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
376 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
377 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
378 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
379 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
380 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
381 "addsi3", "subsi3"): Insn patterns removed.
382 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
383 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
384 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
385 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
386 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
387 "*sub<mode>3_cconly2"): New insn patterns.
388 ("addsi3", "subsi3"): New expanders.
390 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
392 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
393 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
394 existing STMT_VINFO_VECTYPE if available.
395 (vect_mark_relevant): Add special handling for stmts that are
396 marked as STMT_VINFO_IN_PATTERN_P.
397 (vect_analyze_loop): Call vect_pattern_recog.
398 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
399 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
401 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
402 (vect_recog_func_ptr): New function-pointer type.
403 * tree-vect-patterns.c: New file.
404 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
405 (vect_recog_dot_prod_pattern, vect_pattern_recog):
406 (vect_pattern_recog_1): New functions.
407 (vect_pattern_recog_funcs): New array of function pointers.
409 * tree-vectorizer.h (ternary_op): New enum value.
410 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
411 declaration. Revised documentation. Removed redundant dump prints.
412 Removed redundant argument. Added support for reduction patterns.
413 (vectorizable_reduction): Added support for reduction patterns.
414 (vect_transform_stmt): Added support for patterns.
416 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
417 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
418 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
419 (expand_widen_pattern_expr): New function.
420 (init_optabs): Initialize new optabs udot_prod_optab,
422 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
423 (sdot_prod_optab, udot_prod_optab): Define new optabs.
424 (expand_widen_pattern_expr): New function declaration.
425 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
427 * tree-inline.c (estimate_num_insns_1): Added cases for new
428 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
429 * tree-pretty-print.c (dump_generic_node): Likewise.
431 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
432 * tree-ssa-operands.c (get_expr_operands): Added case for
434 * tree-vect-patterns.c (widened_name_p): New function.
435 (vect_recog_dot_prod_pattern): Added function implementation.
436 * tree-vect-transform.c (get_initial_def_for_reduction): Added
437 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
438 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
439 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
441 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
442 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
443 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
444 (init_optabs): Initialize new optabs widen_ssum_optab,
446 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
447 (widen_ssum_optab, widen_usum_optab): Define new optabs.
448 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
449 use instead of type of def.
450 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
451 function implementation.
452 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
453 widen_ssumv8hi): New.
455 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
458 2006-01-19 Richard Sandiford <richard@codesourcery.com>
461 * c-decl.c (add_flexible_array_elts_to_size): New function.
462 (finish_decl): Use it.
464 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
466 * diagnostic.h: Include options.h.
467 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
468 dependancies for diagnostic.h.
469 * Makefile.in (DIAGNOSTIC_H): Add options.h.
471 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
473 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
474 (ssa_ro_call_cache_valid): Ditto.
475 * tree-ssa-alias.c (sort_tags_by_id): New function.
476 (init_transitive_clobber_worklist): Ditto.
477 (add_to_worklist): Ditto.
478 (mark_aliases_call_clobbered): Ditto.
479 (compute_tag_properties): Ditto.
480 (set_initial_properties): Ditto.
481 (compute_call_clobbered): Ditto.
482 (compute_may_aliases): Call compute_call_clobbered and grouping.
483 (compute_flow_sensitive_aliasing): Remove clobbering related code.
484 (compute_flow_insensitive_aliasing): Grouping now happens in our
486 (setup_pointers_and_addressables): Remove clobbering related code.
487 (add_may_alias): Ditto.
488 (replace_may_alias): Ditto.
489 (get_nmt_for): Ditto.
491 (is_escape_site): Return an escape_type enumeration.
492 * tree-flow-inline.h (is_call_clobbered): Global var does not
493 imply call clobbered.
494 (mark_call_clobbered): Take a reason for marking this. Remove
495 marking of globalness, and cache invalidation.
496 (clear_call_clobbered): Remove cache invalidation code.
497 * tree-dfa.c (dump_variable): If details is on, dump the reason
499 * tree-outof-ssa.c (create_temp): Copy escape mask from original
501 * tree-flow.h (struct ptr_info_def): Add escape mask member.
502 (struct var_ann_d): Ditto.
503 (enum escape_type): New.
504 (mark_call_clobbered): Adjust prototype.
505 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
506 are never call clobbered.
507 Record reasons for escaping.
508 * tree-ssa-structalias.h (is_escape_site): Update prototype.
509 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
510 (ssa_ro_call_cache_valid): Ditto.
511 (clobbered_v_may_defs): Ditto.
512 (clobbered_vuses): Ditto.
513 (ro_call_vuses): Ditto.
514 (clobber_stats): New.
515 (init_ssa_operands): Zero out clobber stats.
516 (fini_ssa_operands): Print out clobber stats.
517 (get_call_expr_operands): Pass callee fndecl to
519 (add_call_clobber_ops): Remove use of cache.
520 Add use of PURE_CONST information.
521 (add_call_read_ops): Remove use of cache.
522 Add use of static not_read information.
524 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
526 Introduce TLS descriptors for i386 and x86_64.
527 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
528 (TARGET_ANY_GNU_TLS): New macro.
529 (enum tls_dialect): Added TLS_DIALECT_GNU2.
530 (struct machine_function): Add tls_descriptor_call_expanded_p.
531 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
532 (ix86_current_function_calls_tls_descriptor): Likewise.
533 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
534 (override_options): Introduce gnu2 tls dialect.
535 (ix86_frame_pointer_required): Functions containing TLSCALLs are
537 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
539 (legitimize_tls_address): Adjust logic for GNU2 TLS.
540 (ix86_init_machine_status): Initialize new field.
541 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
542 (ix86_tls_module_base): New.
543 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
544 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
545 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
546 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
547 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
548 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
549 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
550 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
551 * config/i386/predicates.md (tls_modbase_operand): New.
552 (tp_or_register_operand): New.
554 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
556 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
557 (look_for_address_of): Ditto.
558 (ipa_init): Walk the function decls.
559 (static_execute): Don't set readonly on FUNCTION_DECL's.
561 2006-01-18 Roger Sayle <roger@eyesopen.com>
563 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
564 for shifts where the source and destination registers are different.
566 2006-01-18 Paul Brook <paul@codesourcery.com>
568 Merge from csl-arm-branch.
569 2005-03-14 Julian Brown <julian@codesourcery.com>
570 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
571 (aeabi_llsl): Likewise.
573 (aeabi_lasr): Likewise.
575 (aeabi_llsr): Likewise.
576 2005-03-10 Julian Brown <julian@codesourcery.com>
577 * config.gcc: Disable shared libgcc for SymbianOS.
578 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
580 2006-01-18 DJ Delorie <dj@redhat.com>
582 * c-pragma.c (handle_pragma_diagnostic): New.
583 (init_pragma): Register it.
584 * doc/extend.texi: Document it.
586 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
587 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
588 (diagnostic_context): Add classify_diagnostic[].
589 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
590 as errors if they're overridden to DK_WARNING.
591 (diagnostic_initialize): Initialize classify_diagnostic[].
592 (diagnostic_set_kind_override): New.
593 (diagnostic_report_diagnostic): Check for kind changes.
594 * opts.c (common_handle_option): Take lang_mask. Update callers.
596 * common.opt (Werror=): New.
597 * doc/invoke.texi: Document -Werror=*
599 2006-01-18 Jeff Law <law@redhat.com>
601 * tree-vrp.c (test_for_singularity): Correct test for new
602 min limit. Use operand_equal_p rather than pointer equality
603 for testing if new min/max values are equal.
605 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
606 using range information until after propagation and folding.
608 2006-01-18 Richard Henderson <rth@redhat.com>
609 Aldy Hernandez <aldyh@redhat.com>
610 Jakub Jelinek <jakub@redhat.com>
611 Diego Novillo <dnovillo@redhat.com>
613 * omp-low.c: New file.
616 2006-01-18 Richard Henderson <rth@redhat.com>
617 Jakub Jelinek <jakub@redhat.com>
618 Diego Novillo <dnovillo@redhat.com>
620 * doc/invoke.texi: Document -fopenmp.
621 * tree-dump.h (debug_function): Declare.
622 * hooks.c (hook_bool_tree_bool_false): New function.
623 (hook_tree_tree_null): Remove.
624 (hook_tree_tree_tree_null): New.
625 * hooks.h: Update to match.
626 * tree-pretty-print.c (debug_tree_chain): New.
627 (print_generic_expr): Handle TDF_CHAIN.
628 (dump_generic_node): Handle BLOCK.
629 Do not abort with incomplete SWITCH_EXPRs.
630 Do not dump body of an OpenMP directive if TDF_SLIM is given.
631 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
632 print space after directive name.
633 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
634 Handle OMP_MASTER and OMP_ORDERED.
635 Handle printing of OMP_BODY just in one place, goto
636 dump_omp_body in the rest of OMP_* nodes that have
638 Don't handle clause nodes here. Update omp statements to
639 use dump_omp_clauses.
640 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
641 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
642 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
643 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
644 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
645 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
646 Adjust output for GOMP_PARALLEL.
647 (dump_omp_clauses): New.
648 (print_declaration): Dump DECL_VALUE_EXPR.
649 (op_symbol_1): Split out of op_symbol.
650 (dumping_stmts): Remove. Update all users.
651 * cgraph.c (cgraph_analyze_queue): New.
652 (cgraph_add_new_function): New.
653 * cgraph.h (cgraph_analyze_queue): Declare.
654 (cgraph_add_new_function): Declare.
655 (cgraph_lower_function): Remove.
656 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
657 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
658 and TYPE_P nodes in its default clause.
660 (tree_range_check_failed): New.
662 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
663 OMP_CLAUSE_REDUCTION_MERGE,
664 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
665 OMP_CLAUSE_PRIVATE_DEBUG,
666 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
667 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
668 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
669 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
670 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
671 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
672 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
673 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
674 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
675 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
676 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
677 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
678 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
679 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
680 (TREE_RANGE_CHECK): New.
681 (empty_body_p): Declare.
682 (enum omp_clause_default_kind): New.
683 (build_string_literal): Declare.
684 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
685 (build5_stat, build5): Declare.
686 * tree-pass.h (TDF_CHAIN): Define.
687 * tree-pass.h (PROP_gimple_lomp): Define.
688 (pass_lower_omp): Declare.
689 * diagnostic.h (debug_tree_chain): Declare.
690 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
692 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
693 * builtins.c (build_string_literal): Make extern.
694 * gcc.c (include_spec_function): New.
695 (static_spec_functions): Add it.
696 (main): Move load of libgomp.spec ...
697 (LINK_COMMAND_SPEC): ... here.
698 (link_gomp_spec): New.
699 (static_specs): Include it.
700 (LINK_COMMAND_SPEC): Add link_gomp.
701 (GOMP_SELF_SPECS): New.
702 (driver_self_specs): Include it.
703 (switch_matches): Don't mark inline.
704 (main): Load libgomp.spec.
705 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
706 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
707 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
708 * tree-gimple.h (enum omp_parallel): Declare.
709 (determine_parallel_type): Declare.
710 (omp_firstprivatize_variable): Declare.
711 (omp_reduction_init): Declare.
712 (diagnose_omp_structured_block_errors): Declare.
713 (struct walk_stmt_info): Add want_return_expr.
714 (struct walk_stmt_info): Add want_bind_expr, want_locations.
715 (find_omp_clause): Declare.
716 (insert_field_into_struct): Declare.
717 (struct walk_stmt_info): Move from tree-nested.c
718 (walk_stmts): Declare.
719 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
721 * cgraphunit.c (cgraph_lower_function): Make static.
722 (cgraph_finalize_pending_functions): New.
723 (cgraph_finalize_function): Call it.
724 (cgraph_finalize_compilation_unit): Likewise.
725 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
726 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
727 (BT_FN_UINT_UINT): New.
728 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
729 DEF_FUNCTION_TYPE_VAR_4): Document.
730 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
731 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
732 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
733 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
734 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
735 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
736 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
737 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
738 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
739 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
741 (DEF_GOMP_BUILTIN): New.
742 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
743 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
744 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
745 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
746 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
747 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
748 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
749 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
750 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
751 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
752 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
753 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
754 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
755 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
756 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
757 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
758 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
759 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
760 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
761 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
762 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
763 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
764 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
765 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
766 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
767 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
768 * sync-builtins.def: New file, moved from builtins.def.
769 * omp-builtins.def: New file, moved from builtins.def.
770 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
771 * gimple-low.c (lower_function_body): Clear data.
772 (lower_stmt): Do not handle COMPOUND_EXPR.
773 Remove call to print_node_brief.
774 * c-tree.h (c_finish_omp_clauses): New prototype.
775 (C_DECL_THREADPRIVATE_P): Define.
776 (lookup_name_no_remap, c_omp_remap_private): Remove
777 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
778 (check_for_loop_decls): Update decl.
779 (lookup_name_no_remap, c_omp_remap_private): Declare.
780 (build_indirect_ref, build_modify_expr, pushdecl,
781 pushdecl_top_level): Move to c-common.h.
782 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
783 before the switch, but just in the 2 places that need it.
784 * c-decl.c (diagnose_mismatched_decls): Do not check for
785 mismatched thread-local attributes when OLDDECL is marked
786 threadprivate and NEWDECL has no thread-local attributes.
787 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
788 (c_gimple_diagnostics_recursively): Rename from
789 c_warn_unused_result_recursively. Invoke
790 diagnose_omp_structured_block_errors.
791 (check_for_loop_decls): Return a singular decl found.
792 * langhooks.c (lhd_omp_predetermined_sharing): Return
793 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
794 (lhd_omp_firstprivatize_type_sizes): New.
795 (lhd_omp_assignment): New.
796 (lhd_omp_predetermined_sharing): New.
797 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
798 (struct lang_hooks_for_types): Add
799 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
800 omp_predetermined_sharing, omp_disregard_value_expr,
801 omp_private_debug_clause, omp_clause_default_ctor,
802 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
803 (c_finish_omp_clauses): New.
804 (c_finish_bc_stmt): Diagnose break within omp for.
805 (c_begin_omp_parallel, c_finish_omp_parallel): New.
806 (build_unary_op): Return error_mark after reporting
808 (build_modify_expr): Likewise.
809 * gimplify.c: Include optabs.h and pointer-set.h.
810 (enum gimplify_omp_var_data): Declare.
811 (struct gimplify_omp_ctx): Declare.
812 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
814 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
815 (push_gimplify_context, pop_gimplify_context): Allow nesting.
816 (splay_tree_compare_decl_uid): New.
817 (new_omp_context): New.
818 (delete_omp_context): New.
819 (gimple_add_tmp_var): Call omp_add_variable.
820 (gimplify_bind_expr): Likewise.
821 (gimplify_var_or_parm_decl): If omp_notice_variable returned
822 true, disregard DECL_VALUE_EXPR on the decl if any.
823 (gimplify_expr_in_ctx): New.
824 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
825 omp_add_variable, omp_notice_variable, omp_is_private
826 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
827 gimplify_adjust_omp_clauses, gimplify_omp_parallel
828 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
829 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
830 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
831 gimplify_omp_atomic): New.
832 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
833 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
834 OMP_CRITICAL and OMP_ATOMIC.
835 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
836 * c-pragma.h (enum pragma_kind): Add
837 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
838 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
839 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
840 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
841 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
842 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
843 PRAGMA_OMP_THREADPRIVATE.
844 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
845 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
846 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
847 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
848 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
849 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
850 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
851 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
852 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
853 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
854 * tree-ssa-dce.c (find_control_dependence): Do not assume that
855 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
856 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
858 (struct nesting_info): Add field_map,
859 suppress_expansion, debug_var_chain.
860 (create_nesting_tree): Initialize them.
861 (lookup_field_for_decl): Use field_map.
862 (get_nonlocal_debug_decl, get_local_debug_decl): New.
863 (convert_local_omp_clauses): New.
864 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
865 (walk_body): Split out of walk_function.
866 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
867 (convert_nonlocal_reference): Handle omp statements.
868 (convert_local_reference): Likewise.
869 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
870 (unnest_nesting_tree): New.
871 (lower_nested_functions): Call it.
872 (insert_field_into_struct): Make extern.
873 (struct walk_stmt_info): Move to tree-gimple.h.
874 (walk_stmts): Make extern.
875 * omp-builtins.def: New file.
876 * tree-iterator.c (expr_only): Clarify comment.
877 * c-common.h (pushdecl_top_level, pushdecl,
878 build_modify_expr, build_indirect_ref,
879 c_finish_omp_master, c_finish_omp_critical,
880 c_finish_omp_ordered, c_finish_omp_barrier,
881 c_finish_omp_atomic, c_finish_omp_flush,
882 c_finish_omp_for, c_split_parallel_clauses,
883 omp_clause_default_kind, c_omp_sharing_predetermined,
884 c_omp_remap_decl): Declare.
885 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
886 (OBJS-common): Add omp-low.o.
887 (c-omp.o, omp-low.o): Add.
888 (gimplify.o): Add dependency on $(OPTABS_H).
889 (GTFILES): Add omp-low.c.
890 (gt-stringpool.h): Add.
891 * tree-cfg.c (set_bb_for_stmt): Do not update the
892 block-to-labels map if we are currently expanding to RTL.
893 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
895 Handle IDENTIFIER_NODE.
896 (tree_verify_flow_info): Do not ICE when emitting error
897 messages about invalid labels.
898 (dump_function_to_file): Reset CFUN before emitting the body
900 (debug_function): New.
901 * passes.c (init_optimization_passes): Schedule
903 * langhooks-def.h (lhd_omp_predetermined_sharing,
904 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
906 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
907 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
908 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
909 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
910 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
911 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
912 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
913 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
914 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
915 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
916 (LANG_HOOK_DECLS): Use them.
918 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
919 Richard Henderson <rth@redhat.com>
920 Jakub Jelinek <jakub@redhat.com>
921 Diego Novillo <dnovillo@redhat.com>
923 * c-parser.c (pragma_omp_clause): Define.
924 (c_parser_declaration_or_fndef): Document OpenMP syntax.
925 (c_parser_compound_statement): Likewise.
926 (c_parser_statement): Likewise.
927 (c_parser_pragma): Handle omp pragmas.
928 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
929 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
930 (c_parser_omp_clause_name, check_no_duplicate_clause,
931 c_parser_omp_variable_list,
932 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
933 c_parser_omp_clause_copyprivate,
934 c_parser_omp_clause_default,
935 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
936 c_parser_omp_clause_lastprivate,
937 c_parser_omp_clause_nowait,
938 c_parser_omp_clause_num_threads,
939 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
940 c_parser_omp_clause_reduction,
941 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
942 c_parser_omp_all_clauses, c_parser_omp_structured_block,
943 c_parser_omp_atomic, c_parser_omp_barrier,
944 c_parser_omp_critical, c_parser_omp_flush,
945 c_parser_omp_for_loop, c_parser_omp_for,
946 c_parser_omp_master, c_parser_omp_ordered,
947 c_parser_omp_sections_scope, c_parser_omp_sections,
948 c_parser_omp_parallel, c_parser_omp_single,
949 c_parser_omp_construct, c_parser_omp_threadprivate): New.
950 * c-pragma.c (init_pragma): Do omp pragma registration here.
951 * c.opt (fopenmp): New flag.
953 2006-01-18 Eric Christopher <echristo@apple.com>
955 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
956 * config/darwin.h (GOMP_SELF_SPECS): Define.
958 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
960 * rtl.h: Remove the prototype for reg_alloc.
962 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
965 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
966 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
967 sjlj and dwarf2 exception handling.
968 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
969 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
970 * pa/pa.c (function_value): Treat complex and vector types as
972 (function_arg): Likewise. Only pass scalar floats in the floating
973 point argument registers.
974 * pa/t-slibgcc-dwarf-ver: New file.
975 * pa/t-slibgcc-sjlj-ver: New file.
976 * pa/t-slibgcc-elf-ver: Delete file.
978 2006-01-19 Alan Modra <amodra@bigpond.net.au>
980 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
981 unlikely_test_section_p test.
983 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
985 * mode-switching.c (optimize_mode_switching): Make it static.
986 * basic-block.h: Remove the prototype for
987 optimize_mode_switching.
989 * modulo-sched.c (sms_schedule): Make it static.
990 * rtl.h: Remove the prototype for sms_schedule.
992 * postreload-gcse.c (gcse_after_reload_main): Make it static.
993 * rtl.h: Remove the prototype for gcse_after_reload_main.
995 * reg-stack.c (reg_to_stack): Make it static.
996 * rtl.h: Remove the prototype for reg_to_stack.
998 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
1000 * rtl.h: Remove the prototypes for regrename_optimize and
1001 copyprop_hardreg_forward.
1003 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
1005 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
1006 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
1007 Test against the appropriate null constant for the mode.
1008 If 'fixup_overlap' is true, swap the operands if they overlap.
1009 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
1010 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
1011 alpha_split_tmode_pair and adjust for above change.
1012 * config/alpha/alpha.md (movtf_internal): Adjust call to
1013 alpha_split_tfmode_pair and rely on it to swap the operands.
1014 (movti_internal): New insn and post-reload splitter.
1015 (movti): New expander.
1017 2006-01-18 Philippe De Muyter <phdm@macqel.be>
1019 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
1022 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1024 * rtlanal.c (global_reg_mentioned_p_1,
1025 global_reg_mentioned_p): Remove.
1026 * rtl.h: Remove the prototype for global_reg_mentioned_p.
1028 * flow.c (initialize_uninitialized_subregs): Make it static.
1029 * rtl.h: Remove the prototype for
1030 initialize_uninitialized_subregs.
1032 * function.c (instantiate_virtual_regs): Make it static.
1033 * function.h: Remove the prototype for
1034 instantiate_virtual_regs.
1036 * regmove.c (regmove_optimize, combine_stack_adjustments):
1038 * rtl.h: Remove the prototypes for regmove_optimize and
1039 combine_stack_adjustments.
1041 2006-01-17 Roger Sayle <roger@eyesopen.com>
1043 * config/i386/i386.c (COSTS_N_BYTES): New macro.
1044 (size_cost): Encode costs in bytes so that a reg-reg addition is
1045 equivalent to COSTS_N_INSNS(1).
1046 (override_options): Use the size_cost.branch_cost as the default
1047 ix86_branch_cost when optimizing for size.
1049 2006-01-18 Ben Elliston <bje@au.ibm.com>
1051 * Makefile.in (D32PBIT_FUNCS): New.
1052 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
1053 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
1054 D64PBIT_FUNCS and D128PBIT_FUNCS.
1055 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
1056 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
1058 (decnumber_dep): Define.
1059 * doc/libgcc.texi (Decimal float library routines): New node.
1060 * config/dfp-bit.h, config/dfp-bit.c: New files.
1062 2006-01-18 Ben Elliston <bje@au.ibm.com>
1064 * expr.c (emit_move_change_mode): Always adjust addresses, not
1065 just during reload. Copy replacements only during reload.
1066 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
1067 emit_move_via_integer.
1069 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
1071 * Makefile.in (check-%, check-consistency): Use $${srcdir}
1072 instead of $(srcdir) and ${srcdir}.
1074 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
1078 * arm.h (struct machine_function): Add pic_reg.
1079 * arm.c (arm_pic_register): Make unsigned.
1080 (arm_override_options): Only set arm_pic_register if
1081 TARGET_SINGLE_PIC_BASE.
1082 (use_return_insn): Only test for a pic register if it is fixed.
1083 (arm_compute_save_reg0_reg12_mask): Likewise.
1084 (thumb_compute_save_reg_mask): Likewise.
1085 (legitimate_pic_operand): Factor out some known invariants.
1086 (legitimize_pic_address): If we don't have a fixed pic register,
1087 then set up a pseudo in the function entry sequence. Handle the
1088 pic base being in a pseudo.
1089 (arm_load_pic_register): Handle the pic register being in a pseudo.
1090 (arm_expand_prologue): Only set up the pic register if it is fixed.
1091 (thumb_expand_prologue): Likewise.
1092 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
1093 (pic_load_addr_based_insn): Likewise.
1094 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
1097 2006-01-18 Ben Elliston <bje@au.ibm.com>
1099 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
1100 decimal float modes for all floating point registers.
1102 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
1103 match_code "mem" with match_test "macho_lo_sum_memory_operand".
1105 2006-01-17 Jakub Jelinek <jakub@redhat.com>
1108 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
1109 even when the pointer is not NULL.
1111 2006-01-16 Ian Lance Taylor <ian@airs.com>
1113 * common.opt (ftoplevel-reorder): New option.
1114 * cgraph.c (cgraph_asm_nodes): New global variable.
1115 (cgraph_asm_last_node): New static variable.
1116 (cgraph_order): New global variable.
1117 (cgraph_create_node): Set new order field.
1118 (cgraph_varpool_node): Likewise.
1119 (decide_is_variable_needed): Return true if not
1120 flag_toplevel_reorder.
1121 (cgraph_add_asm_node): New function.
1122 * cgraph.h (struct cgraph_node): Add order field.
1123 (struct cgraph_varpool_node): Add order field.
1124 (struct cgraph_asm_node): Define.
1125 (cgraph_asm_nodes, cgraph_order): Declare.
1126 (cgraph_add_asm_node): Declare.
1127 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
1129 (cgraph_varpool_assemble_pending_decls): Call it.
1130 (cgraph_output_pending_asms): New static function.
1131 (cgraph_finalize_compilation_unit): Call it.
1132 (struct cgraph_order_sort): Define.
1133 (cgraph_output_in_order): New static function.
1134 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
1135 !flag_toplevel_reorder case.
1136 * c-parser.c: Include "cgraph.h".
1137 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
1139 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
1140 than -fno-unit-at-a-time.
1141 * doc/invoke.texi (Option Summary): Mention
1142 -fno-toplevel-reorder.
1143 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
1144 -funit-at-a-time documentation.
1146 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
1147 Kazu Hirata <kazu@codesourcery.com>
1149 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
1151 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
1153 * Makefile.in (FUNCTION_H): New. Use it instead of
1154 function.h throughout the file.
1155 * function.h: Include tree.h.
1157 2006-01-17 Ben Elliston <bje@au.ibm.com>
1159 * recog.c: Separate some functions with whitespace.
1161 2006-01-16 Richard Henderson <rth@redhat.com>
1163 Merge from gomp branch:
1164 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
1165 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
1166 and rename from struct inline_data. Rename callee* to dst*;
1167 caller* to src*; add copy_decl hook, transform_call_graph_edges,
1168 transform_new_cfg, transform_return_to_modify, and
1169 transform_lang_insert_block flags; remove cloning_p, versioning_p,
1171 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
1172 (copy_decl_for_dup): Remove.
1173 * tree-inline.c (struct inline_data): Move to header.
1174 (insert_decl_map): Export.
1175 (remap_decl): Update for member name changes. Use copy_decl hook.
1176 Allow for replacement to be a non-decl. Remove dead code.
1177 (remap_type_1): Check for existing mapping.
1178 (remap_type): Export.
1179 (remap_decls): Update for member name changes.
1180 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
1181 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
1182 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
1183 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
1184 (tree_function_versioning, build_duplicate_type): Likewise.
1185 (copy_body_r): Likewise. Export.
1186 (copy_decl_for_dup): Split into ...
1187 (copy_decl_for_dup_finish, copy_decl_to_var,
1188 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
1189 (replace_ref_tree, inlining_p): Remove.
1191 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1193 * ifcvt.c (if_convert): Make it static.
1194 * rtl.h: Remove the prototype for if_convert.
1196 * local-alloc.c (local_alloc): Make it static.
1197 * rtl.h: Remove the prototype for local_alloc.
1199 * loop.c (loop_optimize): Make it static.
1200 * cfgloop.h: Remove the prototype for loop_optimize.
1203 2006-01-16 DJ Delorie <dj@redhat.com>
1205 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
1208 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1210 * pa.md: Disparage copies between general and floating-point registers
1211 in 32-bit move patterns.
1213 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
1216 * Makefile.in (check-%): Depend on site.exp instead of
1217 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
1220 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1222 * global.c (global_alloc): Make it static.
1223 * rtl.h: Remove the prototype for global_alloc.
1225 2006-01-16 Richard Guenther <rguenther@suse.de>
1227 * tree-ssa-alias.c (struct used_part): Add write_only field.
1228 (get_or_create_used_part_for): Initialize it to true.
1229 (create_overlap_variables_for): Don't create structure variables
1230 for structures that only are written to.
1231 (find_used_portions): Handle MODIFY_EXPR to track whether a
1232 structure is only written to.
1234 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1236 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
1238 * basic-block.h: Remove the prototype for
1239 partition_hot_cold_basic_blocks.
1241 2006-01-16 Rafael
\81\81Ã
\81vila de Esp
\81\81Ã
\81\81Ândola <rafael.espindola@gmail.com>
1243 * cppspec.c (lang_specific_spec_functions): remove
1244 * gcc.c (lookup_spec_function): use static_spec_functions directelly
1245 * gcc.h (lang_specific_spec_functions): remove
1246 * gccspec.c (lang_specific_spec_functions): remove
1248 2005-01-16 Paolo Bonzini <bonzini@gnu.org>
1250 * combine.c (record_value_for_reg): Invalidate registers
1252 (record_dead_and_set_regs_1): Likewise, by passing them to
1253 record_value_for_reg.
1254 (record_dead_and_set_regs): Invalidate stores made by a
1255 call. We do not combine across a call, but we still
1256 relied on equivalences.
1258 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
1260 * tree-vrp.c (extract_range_from_binary_expr): Cope with
1261 vrp_int_const_binop returning non-constant nodes.
1263 2006-01-16 Paul Brook <paul@codesourcery.com>
1265 * config/m68k/m68k.c (output_move_const_into_data_reg):
1266 Output correct mnemonic for mvz and mvs.
1268 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
1270 * rtl-factoring.c: Add sequence abstraction algorithm.
1271 * cfgcleanup.c (outgoing_edges_match): Extra checks.
1272 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
1274 (block_has_preserve_label): New function.
1275 * common.opt: Register new pass.
1276 * Makefile.in: Ditto.
1278 * timevar.def: Ditto.
1279 * tree-pass.h: Ditto.
1280 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
1281 * rtl.h (make_jump_insn_raw): Add forward decl.
1282 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
1284 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
1285 Roger Sayle <roger@eyesopen.com>
1287 * fold-const.c (fold_minmax): New static function.
1288 (fold_binary) <MIN_EXPR>: Call it.
1289 <MAX_EXPR>: Likewise.
1290 * stor-layout.c (place_field): Use DECL_SIZE consistently
1291 in the computation of the new record size.
1293 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1295 * cse.c (cse_condition_code_reg): Make it static.
1296 * rtl.h: Remove the prototype for cse_condition_code_reg.
1298 * combine.c (combine_instructions): Make it static.
1299 * rtl.h: Remove the prototype for combine_instructions.
1301 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1304 * tree.c (get_file_function_name_long): Concatenate the first global
1305 object name with a string derived from the input filename of the object
1308 2006-01-16 Ben Elliston <bje@au.ibm.com>
1310 * config/i386/winnt-stubs.c: Update FSF address.
1311 * config/xtensa/ieee754-df.S: Ditto.
1312 * config/xtensa/ieee754-sf.S: Ditto.
1314 2006-01-14 Ian Lance Taylor <ian@airs.com>
1316 * ifcvt.c (noce_init_if_info): New static function, broken out of
1317 noce_process_if_block.
1318 (noce_process_if_block): Call noce_init_if_info.
1319 (check_cond_move_block): New static function.
1320 (cond_move_process_if_block): New static function.
1321 (process_if_block): Call cond_move_process_if_block.
1323 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
1325 * cselib.c (hash_table): Rename to cselib_hash_table.
1326 (cselib_clear_table, discard_useless_values,
1327 remove_useless_values, cselib_lookup_mem, cselib_lookup,
1328 cselib_init, cselib_finish): Adjust uses of hash_table.
1330 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
1332 PR tree-optimization/25485
1333 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
1334 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
1335 is known to be false and true, respectively.
1337 2006-01-14 Richard Guenther <rguenther@suse.de>
1339 PR tree-optimization/22548
1340 PR tree-optimization/22555
1341 PR tree-optimization/22501
1342 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
1343 * params.def (salias-max-array-elements): New parameter.
1344 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
1345 * doc/invoke.texi (salias-max-array-elements): Document.
1346 * tree-flow-inline.h (var_can_have_subvars): We also handle
1348 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
1350 * tree-ssa-structalias.c (params.h): Include.
1351 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
1352 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
1353 (get_constraint_for): For ADDR_EXPR operating on something
1354 containing an ARRAY_REF, add all subvars to the solution.
1355 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
1356 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
1357 for creating MUST_DEFs.
1358 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
1360 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
1362 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
1364 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
1365 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1366 number_of_iterations_le): New functions.
1367 (number_of_iterations_special): Removed.
1368 (number_of_iterations_exit): Do not use number_of_iterations_special.
1369 * tree.c (unsigned_type_for): Always return integer type.
1371 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
1372 Richard Guenther <rguenther@suse.de>
1374 PR rtl-optimization/24257
1375 * gcse.c (find_moveable_store): Only consider a store movable
1376 when the SET_SRC of the insn can be assigned to a register.
1378 2006-01-14 Ian Lance Taylor <ian@airs.com>
1380 * tree.c (tree_not_class_check_failed): New function.
1381 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
1382 (tree_not_class_check_failed): Declare.
1384 2006-01-13 Ian Lance Taylor <ian@airs.com>
1386 * reload1.c (do_output_reload): Add assertion rejecting a
1389 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
1391 * combine.c (struct reg_stat): Add new fields truncation_label and
1393 (record_value_for_reg): Reset truncated_to_mode.
1394 (record_truncated_value): New function.
1395 (check_promoted_subreg): Call it. Rename to check_conversions.
1396 (combine_instructions): Rename check_promoted_subreg to
1398 (reg_truncated_to_mode): New function.
1399 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
1400 (gen_lowpart_or_truncate): New function.
1401 (force_to_mode): Use it instead of gen_lowpart.
1403 2006-01-13 Diego Novillo <dnovillo@redhat.com>
1405 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
1406 VAR is a tag, not its type tag.
1408 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
1410 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
1411 alternatives to match style of other entries.
1412 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
1414 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
1416 PR tree-optimization/25771
1417 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
1420 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
1423 * tree-inline.c (declare_return_variable): If the return variable
1424 was marked as a non gimple complex, set the return slot variable
1425 to be a non gimple comple variable.
1427 2006-01-13 Richard Guenther <rguenther@suse.de>
1429 * builtins.c (expand_builtin_sincos): New function.
1430 (expand_builtin_mathfn_3): Remove dead code, sin and cos
1432 (expand_builtin): Expand sincos using expand_builtin_sincos.
1434 2006-01-12 DJ Delorie <dj@redhat.com>
1436 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
1437 shift counts, separate SI shifts for m32c vs m16c, pass shift type
1438 so that constant shifts can be split.
1439 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
1440 (m32c_valid_pointer_mode): Make static.
1441 (shift_gen_func_for): New.
1442 (m32c_prepare_shift): Use it. Split large const shifts into
1444 * config/m32c/predicates.md (shiftcount_operand): Allow more
1446 (longshiftcount_operand): New.
1447 * doc/md.texi (Machine Constraints): Document In6.
1449 2006-01-13 Ben Elliston <bje@au.ibm.com>
1451 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
1452 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
1455 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
1457 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
1458 to try to avoid clobbering pieces of structures when we know
1459 something about the whole structure.
1460 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
1462 2006-01-13 Ben Elliston <bje@au.ibm.com>
1464 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
1465 return in memory, as this is no limitation is no longer present.
1467 2006-01-12 DJ Delorie <dj@redhat.com>
1469 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
1470 mova with fb, and for fb+0 -> An.
1472 * config/m32c/mov.md (peephole2): Fix enabling logic.
1474 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
1475 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
1476 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
1477 FINI_ARRAY_SECTION_ASM_OP): Define.
1479 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
1481 (m32c_legitimize_reload_address): New logic to reload FB to An.
1482 (m32c_output_reg_push): Add newline.
1483 (m32c_output_reg_pop): Likewise.
1485 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
1487 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
1489 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
1491 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
1493 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
1495 * config/sh/predicates.md (sh_rep_vec): Add parallel to
1498 2006-01-11 Ben Elliston <bje@au.ibm.com>
1500 * rtlanal.c (find_reg_note): Assert insn is not null.
1502 2005-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
1504 * df-scan.c (df_hard_reg_init): Move declaration of i outside
1507 2006-01-11 Jeff Law <law@redhat.com>
1509 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
1511 (mark_threaded_blocks, register_jump_thread): New functions.
1512 (thread_through_all_blocks): Remove unwanted argument. No
1513 longer rely on e->aux to communicate thread target info.
1514 Call mark_threaded_blocks. Release the threaded_blocks
1515 bitmap and threaded_edges vector when complete.
1516 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
1517 (threaded_blocks): Remove.
1518 (tree_ssa_dominator_optimize): Remove initialization and
1519 finalization of threaded_blocks. Simplify call to
1520 thread_through_all_blocks.
1521 (thread_across_edge): Call register_jump_thread rather than
1522 storing thread information into e->aux.
1523 (free_all_edge_infos): Simplify now that e->aux is no longer
1524 used to communicate with thread_through_all_blocks.
1525 * tree-flow.h (thread_through_all_blocks): Update prototype.
1526 (register_jump_thread): Prototype.
1528 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
1530 * df-core.c (df_compact_blocks, df_bb_replace): Use
1531 SET_BASIC_BLOCK instead of BASIC_BLOCK.
1533 2006-01-11 Richard Guenther <rguenther@suse.de>
1535 PR tree-optimization/25734
1536 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
1537 stop propagation after successful propagation to the LHS.
1539 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
1541 * basic-block.h (control_flow_graph): Change the type of
1542 x_basic_block_info to VEC(basic_block,gc) *.
1543 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
1545 (SET_BASIC_BLOCK): New.
1546 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
1547 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
1548 * cfgbuild.c (find_basic_blocks): Likewise.
1549 * cfglayout.c (fixup_reorder_chain): Likewise.
1550 * cfgrtl.c (create_basic_block_structure,
1551 rtl_create_basic_block): Likewise.
1552 * ifcvt.c (find_if_case_1): Likewise.
1553 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
1556 2005-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
1558 * Makefile.in: Removed rotted odf.c entry.
1560 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
1563 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
1564 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
1565 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
1566 output pattern modifier, not %e.
1567 * config/cris/cris.c (cris_op_str): Update comment about pattern
1569 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
1570 before falling through into...
1571 <case 'E'>: Redefined from old 'e' case.
1573 2006-01-11 Jan Hubicka <jh@suse.cz>
1576 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
1578 2006-01-11 Jan Hubicka <jh@suse.cz>
1580 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
1581 * i386.c (x86_decompose_lea): Kill.
1582 (ix86_rtx_costs): Kill.
1584 2006-01-11 Jan Hubicka <jh@suse.cz>
1586 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
1587 * cgraph.h (cgraph_node): Add inline_decl.
1588 (cgraph_insert_node_to_hashtable): Declare.
1589 (save_inline_function_body): Declare.
1590 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
1592 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
1593 (cgraph_function_versioning): Update call of tree_function_versioning.
1594 (save_inline_function_body): New function.
1595 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
1596 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
1597 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
1598 (cgraph_default_inline_p): Likewise.
1599 (cgraph_decide_inlining_incrementally): Likewise.
1600 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
1601 (copy_bb): Kill saving; do updating of clones.
1602 (copy_cfg_body): Kill saving.
1603 (initialize_inlined-parameters): Likewise.
1604 (expand_call_inline): Likewise.
1606 (tree_function_versioning): New parameter "update_clones".
1607 (inlining_p): Kill saving.
1608 * tree-inline.h (tree_function_versioning): Update prototype.
1609 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
1612 2006-01-11 Ian Lance Taylor <ian@airs.com>
1614 * combine.c (struct undo): Remove is_int. Enumify types of undos.
1615 Allow undoing set of machine mode.
1616 (do_SUBST): Use enums instead of is_int.
1617 (do_SUBST_MODE): New function.
1618 (SUBST_MODE): New macro.
1619 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
1620 reg and trying to replace reg_regno_rtx with a new register.
1621 (undo_all): Use new enums, handle undoing a PUT_MODE change.
1622 (simplify_set): Use SUBST_MODE.
1623 (distribute_notes): Remove code that tried to update reg notes
1624 for regno_reg_rtx changes.
1626 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
1628 PR tree-optimization/23109
1629 PR tree-optimization/23948
1630 PR tree-optimization/24123
1632 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
1633 * tree-cfg.c (single_noncomplex_succ): New.
1634 * tree-flow.h (single_noncomplex_succ): Declare it.
1635 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
1636 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
1637 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
1638 insert_bb, register_division_in, insert_reciprocals,
1639 replace_reciprocal, free_bb): New.
1640 (execute_cse_reciprocals_1): Rewritten.
1641 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
1642 Do not commit any edge insertion. Always compute dominators and
1643 create the allocation pool.
1644 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
1645 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
1646 * targhooks.c (default_min_divistions_for_recip_mul): New.
1647 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
1648 * passes.c (init_optimization_passes): Run recip after tree loop
1650 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
1652 2005-01-11 Danny Berlin <dberlin@dberlin.org>
1653 Kenneth Zadeck <zadeck@naturalbridge.com>
1655 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
1656 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
1657 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
1658 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
1659 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
1660 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
1661 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
1662 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
1663 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
1664 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
1665 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
1666 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
1667 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
1668 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
1669 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
1670 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
1671 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
1672 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
1673 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
1674 DF_SCAN_POST_ALLOC): New macros.
1675 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
1676 df_free_bb_function, df_local_compute_function, df_init_function,
1677 df_dataflow_function, df_confluence_function_0,
1678 df_confluence_function_n, df_transfer_function,
1679 df_finalizer_function, df_free_function, df_dump_problem_function,
1680 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
1681 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
1682 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
1683 df_urec_bb_info, ) New types.
1684 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
1686 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
1687 df_analyze_simple_change_some_blocks,
1688 df_analyze_simple_change_one_block, df_compact_blocks,
1689 df_bb_replace, df_bb_regno_last_use_find,
1690 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
1691 df_insn_regno_def_p, df_find_def, df_find_use,
1692 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
1693 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
1694 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
1695 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
1696 debug_df_chain, df_get_dependent_problem, df_chain_create,
1697 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
1698 df_grow_bb_info, df_chain_dump, df_print_bb_index,
1699 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
1700 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
1701 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
1702 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
1703 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
1704 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
1705 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
1706 df_ref_remove, df_insn_refs_delete, df_refs_delete,
1707 df_reorganize_refs, df_set_state, df_hard_reg_init,
1708 df_read_modify_subreg_p) New public functions.
1709 * df-core.c: The core dataflow solver and glue routines for rtl
1711 (df_init, df_add_problem, df_set_blocks, df_finish,
1712 df_hybrid_search_forward, df_hybrid_search_backward,
1713 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
1714 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
1715 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
1716 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
1717 df_reg_defined, df_find_use, df_reg_used, df_dump,
1718 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
1719 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
1720 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
1721 debug_df_useno, reset_df_after_reload): New functions.
1722 * df-scan.c: The scanning fuctions, once in df.c, completely
1723 rewritten so that they now fully model the functionality of
1724 register usage at the backend.
1725 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
1726 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
1727 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
1728 df_grow_insn_info, df_rescan_blocks, df_ref_create,
1729 df_get_artificial_defs, df_get_artificial_uses,
1730 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
1731 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
1732 df_refs_delete, df_reorganize_refs, df_set_state,
1733 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
1734 df_def_record_1, df_defs_record, df_uses_record,
1735 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
1736 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
1737 df_record_exit_block_uses, df_hard_reg_init): New functions.
1739 * df-problems.c: Seven concrete dataflow problems that use the
1740 scanning in df-scan.c and are solved by the engine in df-core.c.
1741 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
1742 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
1743 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
1744 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
1745 df_ru_free_bb_info, df_ru_alloc,
1746 df_ru_bb_local_compute_process_def,
1747 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
1748 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
1749 df_ru_transfer_function, df_ru_free, df_ru_dump,
1750 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
1751 df_rd_free_bb_info, df_rd_alloc,
1752 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
1753 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
1754 df_rd_transfer_function, df_rd_free, df_rd_dump,
1755 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
1756 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
1757 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
1758 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
1759 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
1760 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
1761 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
1762 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
1763 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
1764 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
1765 df_urec_mark_reg_change, df_urec_check_earlyclobber,
1766 df_urec_mark_reg_use_for_earlyclobber,
1767 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
1768 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
1769 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
1770 df_urec_dump, df_urec_add_problem, df_chain_alloc,
1771 df_chain_create_bb_process_use, df_chain_create_bb,
1772 df_chain_finalize, df_chain_free, df_chains_dump,
1773 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
1774 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
1775 df_reg_lifetime): New functions.
1776 * df.c: Deleted file.
1777 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
1778 consistent with new df api.
1779 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
1780 rest_of_handle_sms): Ditto.
1781 * web.c (unionfind_union, union_defs, entry_register, web_main):
1783 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
1784 invariant_expr_equal_p, find_defs, check_dependencies,
1785 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
1786 free_inv_motion_data, move_loop_invariants): Ditto.
1787 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
1788 Update dependencies.
1789 (odf.c): Added defective entry that was deleted later in day.
1790 * sched-deps.c (sched_analyze_1): Ditto.
1792 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
1794 * tree-ssa-operands.c (get_expr_operands): Record addressable
1795 variables directly. Do not call add_stmt_operands for CONST_DECLs
1797 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
1798 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
1800 2006-01-11 Ben Elliston <bje@au.ibm.com>
1802 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
1803 function returns true in the positive case.
1805 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1808 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
1809 for SI, DI, SF and DF modes. Add alternatives to copy between
1810 general and floating point registers to the 32-bit patterns.
1811 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
1812 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
1813 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
1814 generating 64-bit code.
1815 * config/pa/pa.c (output_move_double): Handle copies between general
1816 and floating registers.
1818 2006-01-10 Stuart Hastings <stuart@apple.com>
1820 * config/i386/i386.md (set_got): Update.
1821 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
1822 (builtin_setjmp_receiver): Mach-O support.
1823 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
1824 (GOT_SYMBOL_NAME): Define.
1825 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
1826 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
1827 * config/i386/i386.c (override_options): Revise for Darwin.
1828 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
1829 support. (darwin_x86_file_end): New. (output_set_got): Add label
1830 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
1831 * config/i386/i386-protos.h (output_set_got): Likewise.
1832 * config/darwin.c (machopic_legitimize_pic_address): Update
1835 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
1837 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
1838 when MODE isn't BLKmode.
1840 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1842 PR rtl-optimization/25367
1843 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
1845 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
1848 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
1849 for a negative bound.
1851 2006-01-10 Richard Guenther <rguenther@suse.de>
1853 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1854 Never override with anything constraint.
1856 2006-01-10 Jan Beulich <jbeulich@novell.com>
1858 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
1859 256 bits when optimize_size.
1861 2006-01-10 Jan Beulich <jbeulich@novell.com>
1863 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
1865 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
1866 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
1869 2006-01-10 Ben Elliston <bje@au.ibm.com>
1871 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
1873 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
1874 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
1875 (USE_FP_FOR_ARG): Reject decimal float modes.
1876 (function_arg_advance): Likewise.
1877 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
1878 (rs6000_handle_altivec_attribute): Do not permit decimal floating
1879 point types in AltiVec vectors.
1880 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
1881 (rs6000_libcall_value): Likewise.
1883 2006-01-09 Bob Wilson <bob.wilson@acm.org>
1885 * config/xtensa/ieee754-df.S: New file.
1886 * config/xtensa/ieee754-sf.S: New file.
1887 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
1888 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
1889 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
1891 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
1893 * config/sh/predicates.md (binary_float_operator,
1894 binary_logical_operator, commutative_float_operator,
1895 equality_comparison_operator, greater_comparison_operator,
1896 less_comparison_operator, logical_operator,
1897 noncommutative_float_operator, shift_operator,
1898 symbol_ref_operand, unary_float_operator): Remove redundant
1901 2006-01-09 Jeff Law <law@redhat.com>
1903 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
1904 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
1905 now unused arguments. Callers updated.
1906 (eliminate_redundant_computations): Remove now unused arguments,
1908 (local_fold): Remove, no longer used.
1909 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
1911 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
1912 (simplify_cond): New function.
1913 (forward_propagate_into_cond): Call simplify_cond.
1915 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
1917 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
1918 (*vec_extractv2di_1_sse): New.
1920 2006-01-09 Ben Elliston <bje@au.ibm.com>
1922 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
1924 2006-01-08 Richard Guenther <rguenther@suse.de>
1926 * tree-ssa-structalias.c (get_constraint_for): Remove
1928 (get_constraint_for_component_ref): Likewise.
1929 (do_deref): Likewise.
1930 (get_constraint_for): Likewise.
1931 (do_structure_copy): Likewise.
1932 (handle_ptr_arith): Likewise.
1933 (find_func_aliases): Likewise. Remove unused need_anyoffset
1936 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
1937 Kaz Kojima <kkojima@gcc.gnu.org>
1939 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
1940 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
1941 (EXTRA_CONSTRAINT_C16): Remove.
1942 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
1943 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
1944 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
1945 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
1946 constants of SHmedia. Handle nested constant expressions of
1948 (andcosts): Fix the costs for SHmedia constants.
1949 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
1950 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
1951 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
1952 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
1953 (movv4hi_i, movv2si_i): Likewise.
1954 (movsi_const): Adjust the second operand of ior so to match with
1956 (movdi_const, movdi_const_32bit): Likewise.
1957 (movdi_const_16bit+1): Don't sign-extend LOW.
1958 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
1960 (*double_shori): Fix the split condition. Use GEN_INT instead
1961 of get_int_mode calls. Mask lower 16-bit of the argument of
1963 (sym2GOTPLT): Remove.
1964 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
1966 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
1967 instead of EXTRA_CONSTRAINT_C16.
1969 2006-01-07 Ian Lance Taylor <ian@airs.com>
1970 David Edelsohn <edelsohn@gnu.org>
1972 PR rtl-optimization/25662
1973 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
1974 for constant operands instead of simplify_gen_binary.
1975 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
1976 after trying simplify_binary_operation
1978 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
1980 * tree.c (iterative_hash_expr): Hash decls based on UID.
1982 2006-01-06 Eric Christopher <echristo@apple.com>
1984 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
1985 (TARGET_UNWIND_EMIT): Fix spelling.
1986 * target.h (gcc_target): Add except_table_label.
1987 * except.c (output_function_exception_table): Use.
1988 * varasm.c (default_emit_except_table_label): New.
1989 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
1991 (asm_out): Add here.
1992 * output.h (default_emit_except_table_label): Prototype.
1993 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
1994 * config/darwin.c (darwin_emit_except_table_label): Define.
1995 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
1997 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
1999 PR tree-optimization/18527
2000 * tree-ssa-loop-niter.c (number_of_iterations_cond,
2001 number_of_iterations_special, number_of_iterations_exit):
2002 Move base and step of an iv to a single structure. Add
2003 no_overflow flag, and use it in # of iterations analysis.
2004 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
2005 folded_casts argument.
2006 (simple_iv): Pass base and step in a structure. Set no_overflow
2008 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
2009 Evaluate expensiveness of computing # of iterations instead of
2010 the final expression.
2011 * tree-scalar-evolution.h (affine_iv): New structure.
2012 (simple_iv): Declaration changed.
2013 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
2014 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
2015 find_givs_in_stmt): Changed due to simple_iv change.
2017 2006-01-06 Jeff Law <law@redhat.com>
2020 * tree-cfg.c (bsi_replace): Rename final argument from
2021 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
2022 change (stmt -> orig_stmt).
2023 * tree-eh.c (verify_eh_throw_stmt_node): New function.
2024 (bsi_remove): Add new argument. Remove EH information
2026 (verify_eh_throw_table_statements): New function.
2027 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
2029 * tree-optimize.c (execute_free_cfg_annotations): Verify
2030 the EH throw statement table after removing annotations.
2031 * except.h (verify_eh_throw_table_statements): Prototype.
2032 * tree-flow.h (bsi_remove): Update prototype.
2033 * tree-vrp.c (remove_range_assertions): Add new argument to
2035 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
2036 * tree-complex.c (expand_complex_div_wide): Likewise.
2037 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
2038 * tree-tailcall.c (eliminate_tailcall): Likewise.
2039 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
2040 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
2041 * tree-nrv.c (tree_nrv): Likewise.
2042 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
2043 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
2044 (combine_blocks): Likewise.
2045 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
2046 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
2047 (cleanup_control_flow): Likewise.
2048 (remove_forwarder_block): Likewise.
2049 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
2050 * tree-sra.c (sra_replace): Likewise.
2051 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
2052 (forward_propagate_single_use_vars): Likewise.
2053 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
2054 * tree-inline.c (expand_call_inline): Likewise.
2055 * tree-vect-transform.c (vect_transform_loop): Likewise.
2056 * tree-outof-ssa.c (rewrite_trees): Likewise.
2057 * tree-cfg.c (make_goto_expr_edges): Likewise.
2058 (cleanup_dead_labels): Likewise.
2059 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
2060 (bsi_move_before, bsi_move_after): Likewise.
2061 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
2062 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
2064 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
2067 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
2069 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
2070 on non gimple variables. Also add checks at the top for decls and
2072 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
2074 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
2075 and IMAGPART_EXPR for creating MUST_DEFs.
2076 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
2077 and NAME_MEMORY_TAG separately from the DECLs.
2079 2006-01-06 Richard Guenther <rguenther@suse.de>
2081 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
2082 annotation, if necessary.
2083 * tree-ssa-pre.c (create_expression_by_pieces): Remove
2084 redundant calls to update_stmt.
2085 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
2088 2006-01-05 Richard Henderson <rth@redhat.com>
2090 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
2092 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
2094 * c-typeck.c: Update copyright date.
2096 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
2098 * c-typeck.c (build_c_cast): Always warn when casting
2099 from a pointer to an integer of different size, even if
2100 the node was constant.
2102 2006-01-05 Richard Guenther <rguenther@suse.de>
2104 PR tree-optimization/22555
2105 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
2106 if one structure field is an array.
2107 * tree-ssa-operands.c (get_expr_operands): Continue scanning
2108 operands even if we found a subvar, but ignore VOPs in this
2110 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
2112 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
2114 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
2117 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
2119 2006-01-05 Richard Guenther <rguenther@suse.de>
2120 Diego Novillo <dnovillo@redhat.com>
2122 * tree-pass.h (TODO_remove_unused_locals): Define.
2123 * gimple-low.c (expand_var_p, remove_useless_vars,
2124 pass_remove_useless_vars): Remove. Update all users.
2125 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
2126 (remove_unused_locals): New function.
2127 * tree-flow.h (remove_unused_locals): Declare.
2128 * passes.c (execute_todo): Call remove_unused_locals if
2129 TODO_remove_unused_locals is set.
2130 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
2131 * tree-ssa-dce.c (pass_dce): Likewise.
2132 * tree-outof-ssa.c (pass_del_ssa): Likewise.
2134 2006-01-05 Richard Guenther <rguenther@suse.de>
2136 * tree-flow.h (struct fieldoff): Decompose field to
2137 type, size and decl.
2138 * tree-ssa-alias.c (create_sft): Take type as parameter.
2139 (create_overlap_variables_for): Store type, size and decl
2140 in the fieldoff structure.
2141 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
2143 (push_fields_onto_fieldstack): Likewise.
2144 (create_variable_info_for): Likewise. Use offset for the
2145 SFT name if the decl is not available.
2147 2006-01-04 Paul Brook <paul@codesourcery.com>
2149 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
2151 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
2153 * lambda-code.c (can_put_in_inner_loop): Relax
2155 (can_put_after_inner_loop): New function.
2156 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
2157 (perfect_nestify): Change to make copies and modify uses.
2159 2006-01-04 Richard Henderson <rth@redhat.com>
2161 Merge from gomp branch:
2162 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
2163 via integer constant.
2164 (pragma_lex): Remove.
2165 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
2166 rather than parsing it.
2167 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
2168 handle_pragma_extern_prefix): Add %< %> quotes.
2169 (registered_pragmas): New.
2170 (c_register_pragma_1): New.
2171 (c_register_pragma): Use it.
2172 (c_register_pragma_with_expansion): Likewise.
2173 (c_invoke_pragma_handler): New.
2174 (init_pragma): Use cpp_register_deferred_pragma directly for
2176 * c-pragma.h (enum pragma_kind): New.
2177 (pragma_handler): New.
2178 (c_invoke_pragma_handler): Declare.
2179 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
2181 * c-common.h (c_common_pch_pragma): Update decl.
2182 * Makefile.in (c-parser.o): Update dependencies.
2183 (GTFILES): Add c-pragma.h.
2184 * c-parser.c (struct c_token): Add pragma_kind.
2185 (struct c_parser): Add in_pragma.
2186 (c_lex_one_token): Always initialize keyword and pragma_kind.
2187 Extract data for CPP_PRAGMA.
2188 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
2189 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
2190 Don't allow CPP_PRAGMA_EOL if in_pragma.
2191 (c_parser_consume_pragma): New.
2192 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
2193 (c_parser_skip_to_end_of_parameter): Likewise.
2194 (c_parser_skip_to_end_of_block_or_statement): Likewise.
2195 (c_parser_skip_to_pragma_eol): New.
2196 (c_parser_external_declaration): Handle CPP_PRAGMA.
2197 (c_parser_compound_statement_nostart): Likewise.
2198 (c_parser_statement_after_labels): Likewise.
2199 (c_parser_pragma): New.
2200 (pragma_lex): Likewise.
2201 (c_parser_pragma_pch_preprocess): New.
2202 (c_parser_new): Merge into ...
2203 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
2205 2006-01-04 Jeff Law <law@redhat.com>
2208 * tree-cfg.c (bsi_replace): Remove the original statement
2209 from the EH throw statement table.
2211 2006-01-04 Jakub Jelinek <jakub@redhat.com>
2213 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
2214 make the prototype extern "C" and add throw ().
2217 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
2218 and pos non-negative and pos + len <= 32.
2219 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
2220 drop pos + len < HOST_BITS_PER_WIDE_INT test.
2221 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
2224 * c-common.c (handle_vector_size_attribute): Reject zero vector size
2225 as well as sizes not multiple of component size.
2228 * function.c (instantiate_expr): New function.
2229 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
2230 walk its DECL_VALUE_EXPR with instantiate_expr.
2232 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
2233 DW_OP_deref{,_size} if address isn't going to be added.
2235 2006-01-04 Ben Elliston <bje@au.ibm.com>
2237 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
2238 * config/fp-bit.c: Likewise.
2240 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
2242 * dominance.c: Add comment about why we use DFS numbering
2245 2006-01-03 Jakub Jelinek <jakub@redhat.com>
2246 Richard Henderson <rth@redhat.com>
2248 Merge from gomp-branch:
2249 * varasm.c (assemble_variable): Handle thread-local COMMON data.
2250 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
2252 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
2254 PR rtl-optimization/25578
2255 * combine.c (combine_simplify_rtx, force_to_mode): Don't
2256 pass a parameter to simplify_shift_const if changing ASHIFTRT
2259 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
2261 * builtins.c (get_builtin_sync_mem): New function.
2262 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
2263 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
2264 Call get_builtin_sync_mem to generate mem rtx.
2266 2006-01-03 Richard Guenther <rguenther@suse.de>
2269 * stmt.c (add_case_node): Make sure to clear overflow flags
2272 2006-01-03 Jakub Jelinek <jakub@redhat.com>
2274 Merge from gomp-branch.
2275 * config/sparc/sync.md: New file.
2276 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
2277 UNSPECV_LDSTUB): New constants.
2278 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
2279 * config/sparc/predicates.md (memory_reg_operand): New predicate.
2280 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
2283 2006-01-03 Roger Sayle <roger@eyesopen.com>
2285 * combine.c (reg_subword_p): New predicate to test whether the
2286 destination of a set refers to a subword/piece of a register.
2287 (try_combine): Generalize the code to merge the setting of a
2288 pseudo to a constant followed by a set of a subword of that
2289 register to a constant.
2291 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
2293 * basic-block.h (control_flow_graph): Change the type of
2294 x_label_to_block_map to VEC(basic_block,gc) *.
2295 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
2296 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
2298 * tree-ssa-propagate.c (cfg_blocks): Change the type to
2299 VEC(basic_block,heap) *.
2300 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
2301 ssa_prop_fini): Adjust the uses of cfg_blocks.
2303 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
2305 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
2307 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
2308 hashing trees instead of a pointer hash.
2309 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
2310 compare for MEM_EXPR.
2312 PR rtl-optimization/25130
2313 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
2314 when comparing MEMs for GCSE
2316 2006-01-03 Ben Elliston <bje@au.ibm.com>
2318 * targhooks.h (default_decimal_float_supported_p): Declare.
2319 * targhooks.c (default_decimal_float_supported_p): Define.
2320 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
2321 `default_decimal_float_supported_p'.
2322 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
2324 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
2326 * combine.c (apply_distributive_law <SUBREG>): Check
2327 TRULY_NOOP_TRUNCATION.
2329 2006-01-02 Geoffrey Keating <geoffk@apple.com>
2331 * dwarf2out.c (have_switched_text_section): Delete.
2332 (have_multiple_function_sections): New.
2333 (have_location_lists): Make 'bool'.
2334 (add_AT_loc_list): Use 'true' not '1'.
2335 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
2336 (output_loc_list): Use have_multiple_function_sections.
2337 (output_ranges): Likewise.
2338 (dwarf2out_begin_function): Set have_multiple_function_sections if
2340 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
2341 Check function_section rather than DECL_SECTION_NAME.
2342 (dwarf2out_finish): Use have_multiple_function_sections.
2343 Don't clear have_location_lists.
2345 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
2346 Jan Hubicka <jh@suse.cz>
2348 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
2349 case of conditional jump jumping to the next instruction.
2350 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
2351 cases of conditional jump jumping to the next instruction.
2353 2006-01-02 Jan Hubicka <jh@suse.cz>
2355 * i386.c (*_cost): Add COSTS_N_INSNS.
2356 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
2358 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
2361 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
2363 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2365 * config/arm/arm.c (all_fpus): Fix comment typo.
2366 * config/darwin.c: Likewise.
2367 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
2368 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
2369 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
2371 2006-01-01 David Edelsohn <edelsohn@gnu.org>
2373 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
2374 (rs6000_split_compare_and_swapqhi): New.
2375 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
2376 (sync_compare_and_swapqhi_internal): New.
2377 * config/rs6000/rs6000-protos.h: Declare.
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