1 2006-01-20 Paul Brook <paul@codesourcery.com>
3 Merge from csl-arm-branch.
4 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
5 * config/arm/arm.md (movdi): Force operands[1] to a register
6 if we have a non-register source.
7 (*arm_movdi, *movdf_soft_insn): Require that one of the
8 operands be a register.
9 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12 2006-01-20 DJ Delorie <dj@redhat.com>
14 * varasm.c (initialize_constant_valid_p): Allow pointers
15 initialized from integer constants of lesser precision.
16 (output_constant): Allow non-int-sized pointer modes to be
17 initialized from integer constants.
19 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
22 * cppdefault.h (struct default_include): Add multilib flag.
23 * cppdefault.c (cpp_include_defaults): Set it.
24 * c.opt (-imultilib): New option.
25 * c-opts.c (imultilib): New.
26 (c_common_handle_option): Handle -imultilib.
27 (c_common_post_options): Likewise.
28 * c-incpath.c (add_standard_paths, register_include_chains):
30 * c-incpath.h (register_include_chains): Add extra parameter.
31 * gcc.c (do_spec_1): Generate -imultilib option.
32 (The Specs Language): Update %I description.
33 (process_command): Update copyright notice.
34 * doc/cppopts.texi (-imultilib): Document.
35 * doc/invoke.texi (-imultilib): Include in option summary.
36 (%I): Update specs documentation.
38 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
40 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
42 2006-01-20 Richard Sandiford <richard@codesourcery.com>
44 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
47 2006-01-20 Richard Guenther <rguenther@suse.de>
48 Steven Bosscher <stevenb.gcc@gmail.com>
50 PR rtl-optimization/24626
51 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
52 EDGE_TRUE_VALUE if in RTL mode.
55 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
56 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
58 2006-01-20 Dirk Mueller <dmueller@suse.com>
61 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
62 instead of a special NOP marker.
63 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
65 * c-common.h (empty_body_warning): Add forward declaration.
66 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
67 Now uses IS_EMPTY_STMT() instead of special NOP markers.
69 2005-01-20 Paul Brook <paul@codesourcery.com>
71 * Makefile.in (lang_checks): Keep going if mkdir fails.
73 2005-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
75 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
76 be able to clean out basic block when not necessary.
77 (df_scan_free): Fixed to properly delete information if df is
78 unused before calling df_finish.
79 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
80 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
82 (df_bb_refs_delete): New function.
83 (df_refs_delete): Moved per block code to df_bb_refs_delete.
84 * df-core.c (df_set_blocks): Added code to properly clean out
85 unused blocks if they are not part of the blocks to consider.
86 Added additional null check.
87 (df_compact_blocks): Added basic block parameter to free_bb_fun to
88 be able to clean out basic block when not necessary
89 * df.h (df_free_bb_function): Ditto.
90 (df_bb_refs_delete): New function.
91 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
92 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
93 basic block parameter to be able to clean out basic block when not
95 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
96 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
97 Fixed to properly delete information if df is unused before
100 2005-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
102 PR rtl-optimization/25799
103 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
104 Corrected confluence operator to remove bits from op2 before oring
105 with op1 rather than removing bits from op1.
106 (df_ru_transfer_function): Corrected test on wrong bitmap which
107 caused infinite loop. Both of these problems were introduced in
108 the dataflow rewrite.
110 2006-01-19 DJ Delorie <dj@redhat.com>
112 * reload1.c (find_reload_regs): Note the details of reload
113 failures in the dump file.
114 (spill_failure): Likewise.
116 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
118 * loop-iv.c: Include df.h and hashtab.h.
119 (enum iv_grd_result): New enum.
120 (DF_REF_IV, DF_REF_IV_SET): New macros.
121 (struct biv_entry): New.
122 (df, bivs): New global variables.
123 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
124 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
126 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
127 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
128 analyzed_for_bivness_p, record_biv): New functions.
129 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
130 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
131 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
133 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
135 (iv_number_of_iterations): Use new interface to iv analysis.
136 * loop-unroll.c: Do not include varray.h.
137 (analyze_iv_to_split_insn): Use new interface to iv
139 * loop-unswitch.c (may_unswitch_on): Ditto.
140 * df.c (df_bitmaps_free): Only work for bbs for that structures are
142 (df_bb_modify): Realloc tables to the new index.
143 (df_find_use): New function.
144 * df.h (df_find_use): Declare.
145 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
147 * cfgloop.h (struct rtx_iv): Remove analysed field.
148 (iv_get_reaching_def): Removed.
149 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
150 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
151 (loop-iv.o): Add df.h and hashtab.h dependency.
152 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
154 2006-01-20 Alan Modra <amodra@bigpond.net.au>
156 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
158 (__floatundisf, __floatundidf): Likewise.
159 * libgcc2.h (IS_IBM_EXTENDED): Define.
161 2006-01-19 DJ Delorie <dj@redhat.com>
163 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
165 2006-01-19 Paul Brook <paul@codesourcery.com>
167 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
168 as nothrow when unwinding tables are disabled.
170 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
173 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
174 of bit-field" when in system header.
176 2006-01-19 DJ Delorie <dj@redhat.com>
178 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
179 the 16 bit shift limit of the m16c.
181 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
184 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
185 * config/i386/i386.c (output_set_got): Output the label if we have one
186 for the TARGET_DEEP_BRANCH_PREDICTION case.
188 2006-01-19 Jan Hubicka <jh@suse.cz>
189 H.J. Lu <hongjiu.lu@intel.com>
190 Evandro Menezes <evandro.menezes@amd.com>
192 * invoke.texi (generic): Document
194 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
195 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
196 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
197 (x86_use_incdec, x86_pad_returns): New variables
198 (TARGET_CPU_DEFAULT_generic): New constant
199 (TARGET_CPU_DEFAULT_NAMES): Add generic.
200 (enum processor_type): Add generic32 and generic64.
201 * i386.md (cpu attribute): Add generic32/generic64
202 (movhi splitter): Behave sanely when both partial_reg_dependency and
203 partial_reg_stall are set.
204 (K8 splitters): Enable for generic as well.
205 * predicates.md (incdec_operand): Use TARGET_INCDEC
206 (aligned_operand): Avoid memory mismatch stalls.
207 * athlon.md: Enable for generic64, new patterns for 128bit moves.
208 * ppro.md: Enable for generic32
209 * i386.c (generic64_cost, generic32_cost): New.
210 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
211 (x86_use_leave): Enable for generic64. (x86_use_sahf,
212 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
213 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
214 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
215 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
216 x86_partial_reg_dependency, x86_memory_mismatch_stall,
217 x86_accumulate_outgoing_args, x86_prologue_using_move,
218 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
219 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
221 (x86_use_incdec, x86_pad_returns): New.
222 (override_options): Add generic32 and generic64, translate "generic"
223 to generic32/generic64 and "i686" to "generic32", refuse
224 "generic32"/"generic64" as arch target.
225 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
226 (ix86_reorg): Honor PAD_RETURNS.
228 2006-01-19 Diego Novillo <dnovillo@redhat.com>
230 * tree-pretty-print.c (dump_generic_node): Handle
231 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
232 * cgraph.c (cgraph_expand_queue): Rename from
233 cgraph_analyze_queue. Update all users.
234 * cgraphunit.c (cgraph_assemble_pending_functions): Process
236 (cgraph_expand_all_functions): Likewise.
237 (cgraph_finalize_pending_functions): Remove. Update callers.
239 * tree.h (OMP_DIRECTIVE_P): Define.
240 (OMP_PARALLEL_FN): Define.
241 (OMP_PARALLEL_DATA_ARG): Define.
242 (OMP_SECTIONS_SECTIONS): Define.
243 * tree-pass.h (pass_expand_omp): Declare.
244 * omp-low.c (struct omp_region): Declare.
245 (struct omp_context): Remove fields 'parallel_type',
246 'parallel_start_ix' and 'parallel_start_additional_args'.
248 (struct omp_for_data): Rename from struct expand_omp_for_data.
249 (omp_regions): New static variable.
250 (root_omp_region): New static variable.
251 (find_omp_clause): Make static.
252 (is_in_combined_parallel_ctx): Remove.
253 (is_combined_parallel): New.
254 (extract_omp_for_data): Move earlier in the file.
255 (workshare_safe_to_combine_p): New.
256 (get_ws_args_for): New.
257 (determine_parallel_type): Move earlier in the file.
258 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
260 (omp_copy_decl): Likewise.
261 (create_omp_child_function): Likewise.
262 (lookup_omp_region): New.
263 (dump_omp_region): New.
264 (debug_omp_region): New.
265 (debug_all_omp_regions): New.
266 (new_omp_region): New.
267 (scan_omp_parallel): If parallel_nesting_level > 1, the
268 directive is nested within another parallel directive.
270 (scan_omp_for): Do not try to handle combined parallel+for
272 Remove FIXME comment.
273 (scan_omp_nested): Remove.
274 (scan_omp_1): Do not call scan_omp_nested when
275 parallel_nesting_level is > 1.
276 Do not change the DECL_CONTEXT of local variables found.
277 (lookup_decl_in_outer_ctx): New.
278 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
279 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
280 (lower_reduction_clauses): Rename from expand_reduction_clauses.
281 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
282 If CTX is nested, lookup VAR in the outer context when
283 building copy assignment.
284 (lower_send_clauses): Rename from expand_send_clauses.
285 If CTX is nested, lookup VAR in the outer context when
286 building copy assignments.
287 (lower_send_shared_vars): Rename from expand_send_shared_vars.
288 If CTX is nested, lookup VAR in the outer context when
289 building copy assignments.
290 (expand_parallel_call): Rename from build_parallel_call.
291 Handle combined parallel+workshare cases.
292 Re-implement to emit code into the CFG.
294 (expand_omp_parallel): Re-implement to emit code into the CFG.
295 Call move_sese_region_to_fn to outline the sub-graph
296 containing the parallel region.
297 (expand_omp_for_1): Remove.
298 (expand_omp_for_generic): Re-implement to emit code into the
300 (expand_omp_for_static_nochunk): Likewise.
301 (expand_omp_for_static_chunk): Likewise.
302 (expand_omp_for): Likewise.
303 (expand_omp_sections): Likewise.
304 (remove_exit_barriers): New.
305 (expand_omp_synch): New.
307 (build_omp_regions_1): New.
308 (build_omp_regions): New.
309 (execute_expand_omp): New.
310 (gate_expand_omp): New.
311 (pass_expand_omp): Define.
312 (lower_omp_sections): Rename from expand_omp_sections.
313 Set OMP_SECTIONS_SECTIONS.
314 (lower_omp_single_simple): Rename from expand_omp_single_simple.
315 (lower_omp_single_copy): Rename from expand_omp_single_copy.
316 (lower_omp_single): Rename from expand_omp_simple.
317 (lower_omp_master): Rename from expand_omp_master.
318 (lower_omp_ordered): Rename from expand_omp_ordered.
319 (lower_omp_critical): Rename from expand_omp_critical.
320 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
321 (lower_omp_for): Re-implement.
322 (lower_omp_parallel): Re-implement.
323 (lower_regimplify): Rename from expand_regimplify.
324 (lower_omp_1): Rename from expand_omp_1.
325 If there are syntax errors in the program, replace every
326 OpenMP directive with NOP.
327 Call lower_omp_* instead of expand_omp_*.
328 (lower_omp): Rename from expand_omp.
330 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
331 * tree-gimple.h (enum omp_parallel_type): Remove.
332 (gimple_boolify): Declare extern.
333 (find_omp_clause, determine_parallel_type): Remove.
335 * gimple-low.c (lower_omp_directive): New.
336 (lower_stmt): Call it.
337 (record_vars_into): Move from ...
338 (record_vars): ... here.
339 Call record_vars_into with current_function_decl.
341 * gimplify.c (struct gimplify_ctx): Remove fields
342 combined_pre_p and combined_ctxp. Update users.
343 (get_formal_tmp_var): Add documentation.
344 (gimple_boolify): Make extern.
345 (gimplify_expr_in_ctx): Remove. Update callers.
346 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
347 will always be a BIND_EXPR.
348 (gimplify_expr): Handle OMP_RETURN_EXPR.
349 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
350 (OMP_PARALLEL): Add 3 operands.
351 (OMP_SECTIONS): Add 1 operand.
352 (OMP_RETURN_EXPR): Define.
354 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
355 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
356 * tree-iterator.c (alloc_stmt_list): Assert that we are not
357 creating a circular free list.
358 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
360 * tree-flow.h (move_sese_region_to_fn): Declare.
361 (record_vars_into): Declare.
362 * tree-cfg.c (make_omp_sections_edges): New.
363 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
364 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
365 OMP_SECTIONS and OMP_SECTION.
366 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
367 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
368 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
369 (gather_blocks_in_sese_region): New.
370 (struct move_stmt_d): Declare.
372 (move_block_to_fn): New.
373 (move_sese_region_to_fn): New.
375 * passes.c (init_optimization_passes): Schedule
376 pass_expand_omp after pass_init_datastructures.
378 * tree-ssa-operands.c (get_expr_operands): Handle
379 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
380 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
382 2006-01-19 Jeff Law <law@redhat.com>
384 * tree-vrp.c (extract_range_from_assert): Refine the result range
385 if the variable referenced by the ASSERT_EXPR has a range and
386 either the tentative result range or the previous range is a
389 2006-01-19 Richard Sandiford <richard@codesourcery.com>
391 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
393 2006-01-19 Jan Hubicka <jh@suse.cz>
395 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
397 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
399 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
400 (expand_compound_operation, expand_field_assignment): Fail if the
401 bit lengths of an extract operation are out of range.
402 (make_extraction): Compute wanted_inner_mode based on the position
403 and length of the extraction. Make it extraction_mode for non-constant
404 positions, and do not modify offset in that case. When generating a
405 new MEM, use a mode that can hold the extraction while keeping correct
406 alignment. Remove code that supported MEMs wrapped by USEs.
407 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
409 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
411 * config/s390/s390.md ("Y", "y"): New mode attribute.
412 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
413 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
414 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
415 "*addsi3_imm_cc", "*addsi3_carry1_cc",
416 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
417 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
418 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
419 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
420 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
421 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
422 "addsi3", "subsi3"): Insn patterns removed.
423 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
424 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
425 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
426 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
427 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
428 "*sub<mode>3_cconly2"): New insn patterns.
429 ("addsi3", "subsi3"): New expanders.
431 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
433 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
434 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
435 existing STMT_VINFO_VECTYPE if available.
436 (vect_mark_relevant): Add special handling for stmts that are
437 marked as STMT_VINFO_IN_PATTERN_P.
438 (vect_analyze_loop): Call vect_pattern_recog.
439 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
440 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
442 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
443 (vect_recog_func_ptr): New function-pointer type.
444 * tree-vect-patterns.c: New file.
445 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
446 (vect_recog_dot_prod_pattern, vect_pattern_recog):
447 (vect_pattern_recog_1): New functions.
448 (vect_pattern_recog_funcs): New array of function pointers.
450 * tree-vectorizer.h (ternary_op): New enum value.
451 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
452 declaration. Revised documentation. Removed redundant dump prints.
453 Removed redundant argument. Added support for reduction patterns.
454 (vectorizable_reduction): Added support for reduction patterns.
455 (vect_transform_stmt): Added support for patterns.
457 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
458 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
459 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
460 (expand_widen_pattern_expr): New function.
461 (init_optabs): Initialize new optabs udot_prod_optab,
463 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
464 (sdot_prod_optab, udot_prod_optab): Define new optabs.
465 (expand_widen_pattern_expr): New function declaration.
466 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
468 * tree-inline.c (estimate_num_insns_1): Added cases for new
469 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
470 * tree-pretty-print.c (dump_generic_node): Likewise.
472 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
473 * tree-ssa-operands.c (get_expr_operands): Added case for
475 * tree-vect-patterns.c (widened_name_p): New function.
476 (vect_recog_dot_prod_pattern): Added function implementation.
477 * tree-vect-transform.c (get_initial_def_for_reduction): Added
478 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
479 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
480 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
482 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
483 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
484 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
485 (init_optabs): Initialize new optabs widen_ssum_optab,
487 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
488 (widen_ssum_optab, widen_usum_optab): Define new optabs.
489 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
490 use instead of type of def.
491 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
492 function implementation.
493 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
494 widen_ssumv8hi): New.
496 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
499 2006-01-19 Richard Sandiford <richard@codesourcery.com>
502 * c-decl.c (add_flexible_array_elts_to_size): New function.
503 (finish_decl): Use it.
505 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
507 * diagnostic.h: Include options.h.
508 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
509 dependancies for diagnostic.h.
510 * Makefile.in (DIAGNOSTIC_H): Add options.h.
512 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
514 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
515 (ssa_ro_call_cache_valid): Ditto.
516 * tree-ssa-alias.c (sort_tags_by_id): New function.
517 (init_transitive_clobber_worklist): Ditto.
518 (add_to_worklist): Ditto.
519 (mark_aliases_call_clobbered): Ditto.
520 (compute_tag_properties): Ditto.
521 (set_initial_properties): Ditto.
522 (compute_call_clobbered): Ditto.
523 (compute_may_aliases): Call compute_call_clobbered and grouping.
524 (compute_flow_sensitive_aliasing): Remove clobbering related code.
525 (compute_flow_insensitive_aliasing): Grouping now happens in our
527 (setup_pointers_and_addressables): Remove clobbering related code.
528 (add_may_alias): Ditto.
529 (replace_may_alias): Ditto.
530 (get_nmt_for): Ditto.
532 (is_escape_site): Return an escape_type enumeration.
533 * tree-flow-inline.h (is_call_clobbered): Global var does not
534 imply call clobbered.
535 (mark_call_clobbered): Take a reason for marking this. Remove
536 marking of globalness, and cache invalidation.
537 (clear_call_clobbered): Remove cache invalidation code.
538 * tree-dfa.c (dump_variable): If details is on, dump the reason
540 * tree-outof-ssa.c (create_temp): Copy escape mask from original
542 * tree-flow.h (struct ptr_info_def): Add escape mask member.
543 (struct var_ann_d): Ditto.
544 (enum escape_type): New.
545 (mark_call_clobbered): Adjust prototype.
546 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
547 are never call clobbered.
548 Record reasons for escaping.
549 * tree-ssa-structalias.h (is_escape_site): Update prototype.
550 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
551 (ssa_ro_call_cache_valid): Ditto.
552 (clobbered_v_may_defs): Ditto.
553 (clobbered_vuses): Ditto.
554 (ro_call_vuses): Ditto.
555 (clobber_stats): New.
556 (init_ssa_operands): Zero out clobber stats.
557 (fini_ssa_operands): Print out clobber stats.
558 (get_call_expr_operands): Pass callee fndecl to
560 (add_call_clobber_ops): Remove use of cache.
561 Add use of PURE_CONST information.
562 (add_call_read_ops): Remove use of cache.
563 Add use of static not_read information.
565 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
567 Introduce TLS descriptors for i386 and x86_64.
568 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
569 (TARGET_ANY_GNU_TLS): New macro.
570 (enum tls_dialect): Added TLS_DIALECT_GNU2.
571 (struct machine_function): Add tls_descriptor_call_expanded_p.
572 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
573 (ix86_current_function_calls_tls_descriptor): Likewise.
574 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
575 (override_options): Introduce gnu2 tls dialect.
576 (ix86_frame_pointer_required): Functions containing TLSCALLs are
578 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
580 (legitimize_tls_address): Adjust logic for GNU2 TLS.
581 (ix86_init_machine_status): Initialize new field.
582 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
583 (ix86_tls_module_base): New.
584 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
585 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
586 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
587 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
588 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
589 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
590 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
591 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
592 * config/i386/predicates.md (tls_modbase_operand): New.
593 (tp_or_register_operand): New.
595 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
597 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
598 (look_for_address_of): Ditto.
599 (ipa_init): Walk the function decls.
600 (static_execute): Don't set readonly on FUNCTION_DECL's.
602 2006-01-18 Roger Sayle <roger@eyesopen.com>
604 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
605 for shifts where the source and destination registers are different.
607 2006-01-18 Paul Brook <paul@codesourcery.com>
609 Merge from csl-arm-branch.
610 2005-03-14 Julian Brown <julian@codesourcery.com>
611 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
612 (aeabi_llsl): Likewise.
614 (aeabi_lasr): Likewise.
616 (aeabi_llsr): Likewise.
617 2005-03-10 Julian Brown <julian@codesourcery.com>
618 * config.gcc: Disable shared libgcc for SymbianOS.
619 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
621 2006-01-18 DJ Delorie <dj@redhat.com>
623 * c-pragma.c (handle_pragma_diagnostic): New.
624 (init_pragma): Register it.
625 * doc/extend.texi: Document it.
627 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
628 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
629 (diagnostic_context): Add classify_diagnostic[].
630 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
631 as errors if they're overridden to DK_WARNING.
632 (diagnostic_initialize): Initialize classify_diagnostic[].
633 (diagnostic_set_kind_override): New.
634 (diagnostic_report_diagnostic): Check for kind changes.
635 * opts.c (common_handle_option): Take lang_mask. Update callers.
637 * common.opt (Werror=): New.
638 * doc/invoke.texi: Document -Werror=*
640 2006-01-18 Jeff Law <law@redhat.com>
642 * tree-vrp.c (test_for_singularity): Correct test for new
643 min limit. Use operand_equal_p rather than pointer equality
644 for testing if new min/max values are equal.
646 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
647 using range information until after propagation and folding.
649 2006-01-18 Richard Henderson <rth@redhat.com>
650 Aldy Hernandez <aldyh@redhat.com>
651 Jakub Jelinek <jakub@redhat.com>
652 Diego Novillo <dnovillo@redhat.com>
654 * omp-low.c: New file.
657 2006-01-18 Richard Henderson <rth@redhat.com>
658 Jakub Jelinek <jakub@redhat.com>
659 Diego Novillo <dnovillo@redhat.com>
661 * doc/invoke.texi: Document -fopenmp.
662 * tree-dump.h (debug_function): Declare.
663 * hooks.c (hook_bool_tree_bool_false): New function.
664 (hook_tree_tree_null): Remove.
665 (hook_tree_tree_tree_null): New.
666 * hooks.h: Update to match.
667 * tree-pretty-print.c (debug_tree_chain): New.
668 (print_generic_expr): Handle TDF_CHAIN.
669 (dump_generic_node): Handle BLOCK.
670 Do not abort with incomplete SWITCH_EXPRs.
671 Do not dump body of an OpenMP directive if TDF_SLIM is given.
672 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
673 print space after directive name.
674 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
675 Handle OMP_MASTER and OMP_ORDERED.
676 Handle printing of OMP_BODY just in one place, goto
677 dump_omp_body in the rest of OMP_* nodes that have
679 Don't handle clause nodes here. Update omp statements to
680 use dump_omp_clauses.
681 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
682 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
683 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
684 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
685 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
686 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
687 Adjust output for GOMP_PARALLEL.
688 (dump_omp_clauses): New.
689 (print_declaration): Dump DECL_VALUE_EXPR.
690 (op_symbol_1): Split out of op_symbol.
691 (dumping_stmts): Remove. Update all users.
692 * cgraph.c (cgraph_analyze_queue): New.
693 (cgraph_add_new_function): New.
694 * cgraph.h (cgraph_analyze_queue): Declare.
695 (cgraph_add_new_function): Declare.
696 (cgraph_lower_function): Remove.
697 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
698 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
699 and TYPE_P nodes in its default clause.
701 (tree_range_check_failed): New.
703 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
704 OMP_CLAUSE_REDUCTION_MERGE,
705 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
706 OMP_CLAUSE_PRIVATE_DEBUG,
707 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
708 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
709 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
710 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
711 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
712 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
713 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
714 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
715 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
716 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
717 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
718 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
719 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
720 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
721 (TREE_RANGE_CHECK): New.
722 (empty_body_p): Declare.
723 (enum omp_clause_default_kind): New.
724 (build_string_literal): Declare.
725 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
726 (build5_stat, build5): Declare.
727 * tree-pass.h (TDF_CHAIN): Define.
728 * tree-pass.h (PROP_gimple_lomp): Define.
729 (pass_lower_omp): Declare.
730 * diagnostic.h (debug_tree_chain): Declare.
731 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
733 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
734 * builtins.c (build_string_literal): Make extern.
735 * gcc.c (include_spec_function): New.
736 (static_spec_functions): Add it.
737 (main): Move load of libgomp.spec ...
738 (LINK_COMMAND_SPEC): ... here.
739 (link_gomp_spec): New.
740 (static_specs): Include it.
741 (LINK_COMMAND_SPEC): Add link_gomp.
742 (GOMP_SELF_SPECS): New.
743 (driver_self_specs): Include it.
744 (switch_matches): Don't mark inline.
745 (main): Load libgomp.spec.
746 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
747 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
748 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
749 * tree-gimple.h (enum omp_parallel): Declare.
750 (determine_parallel_type): Declare.
751 (omp_firstprivatize_variable): Declare.
752 (omp_reduction_init): Declare.
753 (diagnose_omp_structured_block_errors): Declare.
754 (struct walk_stmt_info): Add want_return_expr.
755 (struct walk_stmt_info): Add want_bind_expr, want_locations.
756 (find_omp_clause): Declare.
757 (insert_field_into_struct): Declare.
758 (struct walk_stmt_info): Move from tree-nested.c
759 (walk_stmts): Declare.
760 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
762 * cgraphunit.c (cgraph_lower_function): Make static.
763 (cgraph_finalize_pending_functions): New.
764 (cgraph_finalize_function): Call it.
765 (cgraph_finalize_compilation_unit): Likewise.
766 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
767 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
768 (BT_FN_UINT_UINT): New.
769 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
770 DEF_FUNCTION_TYPE_VAR_4): Document.
771 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
772 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
773 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
774 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
775 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
776 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
777 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
778 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
779 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
780 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
782 (DEF_GOMP_BUILTIN): New.
783 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
784 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
785 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
786 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
787 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
788 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
789 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
790 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
791 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
792 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
793 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
794 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
795 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
796 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
797 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
798 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
799 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
800 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
801 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
802 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
803 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
804 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
805 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
806 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
807 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
808 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
809 * sync-builtins.def: New file, moved from builtins.def.
810 * omp-builtins.def: New file, moved from builtins.def.
811 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
812 * gimple-low.c (lower_function_body): Clear data.
813 (lower_stmt): Do not handle COMPOUND_EXPR.
814 Remove call to print_node_brief.
815 * c-tree.h (c_finish_omp_clauses): New prototype.
816 (C_DECL_THREADPRIVATE_P): Define.
817 (lookup_name_no_remap, c_omp_remap_private): Remove
818 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
819 (check_for_loop_decls): Update decl.
820 (lookup_name_no_remap, c_omp_remap_private): Declare.
821 (build_indirect_ref, build_modify_expr, pushdecl,
822 pushdecl_top_level): Move to c-common.h.
823 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
824 before the switch, but just in the 2 places that need it.
825 * c-decl.c (diagnose_mismatched_decls): Do not check for
826 mismatched thread-local attributes when OLDDECL is marked
827 threadprivate and NEWDECL has no thread-local attributes.
828 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
829 (c_gimple_diagnostics_recursively): Rename from
830 c_warn_unused_result_recursively. Invoke
831 diagnose_omp_structured_block_errors.
832 (check_for_loop_decls): Return a singular decl found.
833 * langhooks.c (lhd_omp_predetermined_sharing): Return
834 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
835 (lhd_omp_firstprivatize_type_sizes): New.
836 (lhd_omp_assignment): New.
837 (lhd_omp_predetermined_sharing): New.
838 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
839 (struct lang_hooks_for_types): Add
840 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
841 omp_predetermined_sharing, omp_disregard_value_expr,
842 omp_private_debug_clause, omp_clause_default_ctor,
843 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
844 (c_finish_omp_clauses): New.
845 (c_finish_bc_stmt): Diagnose break within omp for.
846 (c_begin_omp_parallel, c_finish_omp_parallel): New.
847 (build_unary_op): Return error_mark after reporting
849 (build_modify_expr): Likewise.
850 * gimplify.c: Include optabs.h and pointer-set.h.
851 (enum gimplify_omp_var_data): Declare.
852 (struct gimplify_omp_ctx): Declare.
853 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
855 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
856 (push_gimplify_context, pop_gimplify_context): Allow nesting.
857 (splay_tree_compare_decl_uid): New.
858 (new_omp_context): New.
859 (delete_omp_context): New.
860 (gimple_add_tmp_var): Call omp_add_variable.
861 (gimplify_bind_expr): Likewise.
862 (gimplify_var_or_parm_decl): If omp_notice_variable returned
863 true, disregard DECL_VALUE_EXPR on the decl if any.
864 (gimplify_expr_in_ctx): New.
865 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
866 omp_add_variable, omp_notice_variable, omp_is_private
867 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
868 gimplify_adjust_omp_clauses, gimplify_omp_parallel
869 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
870 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
871 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
872 gimplify_omp_atomic): New.
873 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
874 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
875 OMP_CRITICAL and OMP_ATOMIC.
876 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
877 * c-pragma.h (enum pragma_kind): Add
878 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
879 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
880 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
881 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
882 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
883 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
884 PRAGMA_OMP_THREADPRIVATE.
885 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
886 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
887 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
888 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
889 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
890 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
891 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
892 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
893 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
894 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
895 * tree-ssa-dce.c (find_control_dependence): Do not assume that
896 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
897 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
899 (struct nesting_info): Add field_map,
900 suppress_expansion, debug_var_chain.
901 (create_nesting_tree): Initialize them.
902 (lookup_field_for_decl): Use field_map.
903 (get_nonlocal_debug_decl, get_local_debug_decl): New.
904 (convert_local_omp_clauses): New.
905 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
906 (walk_body): Split out of walk_function.
907 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
908 (convert_nonlocal_reference): Handle omp statements.
909 (convert_local_reference): Likewise.
910 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
911 (unnest_nesting_tree): New.
912 (lower_nested_functions): Call it.
913 (insert_field_into_struct): Make extern.
914 (struct walk_stmt_info): Move to tree-gimple.h.
915 (walk_stmts): Make extern.
916 * omp-builtins.def: New file.
917 * tree-iterator.c (expr_only): Clarify comment.
918 * c-common.h (pushdecl_top_level, pushdecl,
919 build_modify_expr, build_indirect_ref,
920 c_finish_omp_master, c_finish_omp_critical,
921 c_finish_omp_ordered, c_finish_omp_barrier,
922 c_finish_omp_atomic, c_finish_omp_flush,
923 c_finish_omp_for, c_split_parallel_clauses,
924 omp_clause_default_kind, c_omp_sharing_predetermined,
925 c_omp_remap_decl): Declare.
926 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
927 (OBJS-common): Add omp-low.o.
928 (c-omp.o, omp-low.o): Add.
929 (gimplify.o): Add dependency on $(OPTABS_H).
930 (GTFILES): Add omp-low.c.
931 (gt-stringpool.h): Add.
932 * tree-cfg.c (set_bb_for_stmt): Do not update the
933 block-to-labels map if we are currently expanding to RTL.
934 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
936 Handle IDENTIFIER_NODE.
937 (tree_verify_flow_info): Do not ICE when emitting error
938 messages about invalid labels.
939 (dump_function_to_file): Reset CFUN before emitting the body
941 (debug_function): New.
942 * passes.c (init_optimization_passes): Schedule
944 * langhooks-def.h (lhd_omp_predetermined_sharing,
945 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
947 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
948 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
949 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
950 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
951 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
952 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
953 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
954 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
955 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
956 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
957 (LANG_HOOK_DECLS): Use them.
959 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
960 Richard Henderson <rth@redhat.com>
961 Jakub Jelinek <jakub@redhat.com>
962 Diego Novillo <dnovillo@redhat.com>
964 * c-parser.c (pragma_omp_clause): Define.
965 (c_parser_declaration_or_fndef): Document OpenMP syntax.
966 (c_parser_compound_statement): Likewise.
967 (c_parser_statement): Likewise.
968 (c_parser_pragma): Handle omp pragmas.
969 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
970 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
971 (c_parser_omp_clause_name, check_no_duplicate_clause,
972 c_parser_omp_variable_list,
973 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
974 c_parser_omp_clause_copyprivate,
975 c_parser_omp_clause_default,
976 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
977 c_parser_omp_clause_lastprivate,
978 c_parser_omp_clause_nowait,
979 c_parser_omp_clause_num_threads,
980 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
981 c_parser_omp_clause_reduction,
982 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
983 c_parser_omp_all_clauses, c_parser_omp_structured_block,
984 c_parser_omp_atomic, c_parser_omp_barrier,
985 c_parser_omp_critical, c_parser_omp_flush,
986 c_parser_omp_for_loop, c_parser_omp_for,
987 c_parser_omp_master, c_parser_omp_ordered,
988 c_parser_omp_sections_scope, c_parser_omp_sections,
989 c_parser_omp_parallel, c_parser_omp_single,
990 c_parser_omp_construct, c_parser_omp_threadprivate): New.
991 * c-pragma.c (init_pragma): Do omp pragma registration here.
992 * c.opt (fopenmp): New flag.
994 2006-01-18 Eric Christopher <echristo@apple.com>
996 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
997 * config/darwin.h (GOMP_SELF_SPECS): Define.
999 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1001 * rtl.h: Remove the prototype for reg_alloc.
1003 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1006 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
1007 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
1008 sjlj and dwarf2 exception handling.
1009 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
1010 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
1011 * pa/pa.c (function_value): Treat complex and vector types as
1013 (function_arg): Likewise. Only pass scalar floats in the floating
1014 point argument registers.
1015 * pa/t-slibgcc-dwarf-ver: New file.
1016 * pa/t-slibgcc-sjlj-ver: New file.
1017 * pa/t-slibgcc-elf-ver: Delete file.
1019 2006-01-19 Alan Modra <amodra@bigpond.net.au>
1021 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
1022 unlikely_test_section_p test.
1024 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1026 * mode-switching.c (optimize_mode_switching): Make it static.
1027 * basic-block.h: Remove the prototype for
1028 optimize_mode_switching.
1030 * modulo-sched.c (sms_schedule): Make it static.
1031 * rtl.h: Remove the prototype for sms_schedule.
1033 * postreload-gcse.c (gcse_after_reload_main): Make it static.
1034 * rtl.h: Remove the prototype for gcse_after_reload_main.
1036 * reg-stack.c (reg_to_stack): Make it static.
1037 * rtl.h: Remove the prototype for reg_to_stack.
1039 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
1041 * rtl.h: Remove the prototypes for regrename_optimize and
1042 copyprop_hardreg_forward.
1044 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
1046 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
1047 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
1048 Test against the appropriate null constant for the mode.
1049 If 'fixup_overlap' is true, swap the operands if they overlap.
1050 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
1051 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
1052 alpha_split_tmode_pair and adjust for above change.
1053 * config/alpha/alpha.md (movtf_internal): Adjust call to
1054 alpha_split_tfmode_pair and rely on it to swap the operands.
1055 (movti_internal): New insn and post-reload splitter.
1056 (movti): New expander.
1058 2006-01-18 Philippe De Muyter <phdm@macqel.be>
1060 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
1063 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
1065 * rtlanal.c (global_reg_mentioned_p_1,
1066 global_reg_mentioned_p): Remove.
1067 * rtl.h: Remove the prototype for global_reg_mentioned_p.
1069 * flow.c (initialize_uninitialized_subregs): Make it static.
1070 * rtl.h: Remove the prototype for
1071 initialize_uninitialized_subregs.
1073 * function.c (instantiate_virtual_regs): Make it static.
1074 * function.h: Remove the prototype for
1075 instantiate_virtual_regs.
1077 * regmove.c (regmove_optimize, combine_stack_adjustments):
1079 * rtl.h: Remove the prototypes for regmove_optimize and
1080 combine_stack_adjustments.
1082 2006-01-17 Roger Sayle <roger@eyesopen.com>
1084 * config/i386/i386.c (COSTS_N_BYTES): New macro.
1085 (size_cost): Encode costs in bytes so that a reg-reg addition is
1086 equivalent to COSTS_N_INSNS(1).
1087 (override_options): Use the size_cost.branch_cost as the default
1088 ix86_branch_cost when optimizing for size.
1090 2006-01-18 Ben Elliston <bje@au.ibm.com>
1092 * Makefile.in (D32PBIT_FUNCS): New.
1093 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
1094 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
1095 D64PBIT_FUNCS and D128PBIT_FUNCS.
1096 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
1097 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
1099 (decnumber_dep): Define.
1100 * doc/libgcc.texi (Decimal float library routines): New node.
1101 * config/dfp-bit.h, config/dfp-bit.c: New files.
1103 2006-01-18 Ben Elliston <bje@au.ibm.com>
1105 * expr.c (emit_move_change_mode): Always adjust addresses, not
1106 just during reload. Copy replacements only during reload.
1107 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
1108 emit_move_via_integer.
1110 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
1112 * Makefile.in (check-%, check-consistency): Use $${srcdir}
1113 instead of $(srcdir) and ${srcdir}.
1115 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
1119 * arm.h (struct machine_function): Add pic_reg.
1120 * arm.c (arm_pic_register): Make unsigned.
1121 (arm_override_options): Only set arm_pic_register if
1122 TARGET_SINGLE_PIC_BASE.
1123 (use_return_insn): Only test for a pic register if it is fixed.
1124 (arm_compute_save_reg0_reg12_mask): Likewise.
1125 (thumb_compute_save_reg_mask): Likewise.
1126 (legitimate_pic_operand): Factor out some known invariants.
1127 (legitimize_pic_address): If we don't have a fixed pic register,
1128 then set up a pseudo in the function entry sequence. Handle the
1129 pic base being in a pseudo.
1130 (arm_load_pic_register): Handle the pic register being in a pseudo.
1131 (arm_expand_prologue): Only set up the pic register if it is fixed.
1132 (thumb_expand_prologue): Likewise.
1133 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
1134 (pic_load_addr_based_insn): Likewise.
1135 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
1138 2006-01-18 Ben Elliston <bje@au.ibm.com>
1140 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
1141 decimal float modes for all floating point registers.
1143 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
1144 match_code "mem" with match_test "macho_lo_sum_memory_operand".
1146 2006-01-17 Jakub Jelinek <jakub@redhat.com>
1149 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
1150 even when the pointer is not NULL.
1152 2006-01-16 Ian Lance Taylor <ian@airs.com>
1154 * common.opt (ftoplevel-reorder): New option.
1155 * cgraph.c (cgraph_asm_nodes): New global variable.
1156 (cgraph_asm_last_node): New static variable.
1157 (cgraph_order): New global variable.
1158 (cgraph_create_node): Set new order field.
1159 (cgraph_varpool_node): Likewise.
1160 (decide_is_variable_needed): Return true if not
1161 flag_toplevel_reorder.
1162 (cgraph_add_asm_node): New function.
1163 * cgraph.h (struct cgraph_node): Add order field.
1164 (struct cgraph_varpool_node): Add order field.
1165 (struct cgraph_asm_node): Define.
1166 (cgraph_asm_nodes, cgraph_order): Declare.
1167 (cgraph_add_asm_node): Declare.
1168 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
1170 (cgraph_varpool_assemble_pending_decls): Call it.
1171 (cgraph_output_pending_asms): New static function.
1172 (cgraph_finalize_compilation_unit): Call it.
1173 (struct cgraph_order_sort): Define.
1174 (cgraph_output_in_order): New static function.
1175 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
1176 !flag_toplevel_reorder case.
1177 * c-parser.c: Include "cgraph.h".
1178 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
1180 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
1181 than -fno-unit-at-a-time.
1182 * doc/invoke.texi (Option Summary): Mention
1183 -fno-toplevel-reorder.
1184 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
1185 -funit-at-a-time documentation.
1187 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
1188 Kazu Hirata <kazu@codesourcery.com>
1190 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
1192 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
1194 * Makefile.in (FUNCTION_H): New. Use it instead of
1195 function.h throughout the file.
1196 * function.h: Include tree.h.
1198 2006-01-17 Ben Elliston <bje@au.ibm.com>
1200 * recog.c: Separate some functions with whitespace.
1202 2006-01-16 Richard Henderson <rth@redhat.com>
1204 Merge from gomp branch:
1205 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
1206 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
1207 and rename from struct inline_data. Rename callee* to dst*;
1208 caller* to src*; add copy_decl hook, transform_call_graph_edges,
1209 transform_new_cfg, transform_return_to_modify, and
1210 transform_lang_insert_block flags; remove cloning_p, versioning_p,
1212 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
1213 (copy_decl_for_dup): Remove.
1214 * tree-inline.c (struct inline_data): Move to header.
1215 (insert_decl_map): Export.
1216 (remap_decl): Update for member name changes. Use copy_decl hook.
1217 Allow for replacement to be a non-decl. Remove dead code.
1218 (remap_type_1): Check for existing mapping.
1219 (remap_type): Export.
1220 (remap_decls): Update for member name changes.
1221 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
1222 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
1223 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
1224 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
1225 (tree_function_versioning, build_duplicate_type): Likewise.
1226 (copy_body_r): Likewise. Export.
1227 (copy_decl_for_dup): Split into ...
1228 (copy_decl_for_dup_finish, copy_decl_to_var,
1229 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
1230 (replace_ref_tree, inlining_p): Remove.
1232 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1234 * ifcvt.c (if_convert): Make it static.
1235 * rtl.h: Remove the prototype for if_convert.
1237 * local-alloc.c (local_alloc): Make it static.
1238 * rtl.h: Remove the prototype for local_alloc.
1240 * loop.c (loop_optimize): Make it static.
1241 * cfgloop.h: Remove the prototype for loop_optimize.
1244 2006-01-16 DJ Delorie <dj@redhat.com>
1246 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
1249 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1251 * pa.md: Disparage copies between general and floating-point registers
1252 in 32-bit move patterns.
1254 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
1257 * Makefile.in (check-%): Depend on site.exp instead of
1258 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
1261 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1263 * global.c (global_alloc): Make it static.
1264 * rtl.h: Remove the prototype for global_alloc.
1266 2006-01-16 Richard Guenther <rguenther@suse.de>
1268 * tree-ssa-alias.c (struct used_part): Add write_only field.
1269 (get_or_create_used_part_for): Initialize it to true.
1270 (create_overlap_variables_for): Don't create structure variables
1271 for structures that only are written to.
1272 (find_used_portions): Handle MODIFY_EXPR to track whether a
1273 structure is only written to.
1275 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1277 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
1279 * basic-block.h: Remove the prototype for
1280 partition_hot_cold_basic_blocks.
1282 2006-01-16 Rafael
\81\81Ã
\81vila de Esp
\81\81Ã
\81\81Ândola <rafael.espindola@gmail.com>
1284 * cppspec.c (lang_specific_spec_functions): remove
1285 * gcc.c (lookup_spec_function): use static_spec_functions directelly
1286 * gcc.h (lang_specific_spec_functions): remove
1287 * gccspec.c (lang_specific_spec_functions): remove
1289 2005-01-16 Paolo Bonzini <bonzini@gnu.org>
1291 * combine.c (record_value_for_reg): Invalidate registers
1293 (record_dead_and_set_regs_1): Likewise, by passing them to
1294 record_value_for_reg.
1295 (record_dead_and_set_regs): Invalidate stores made by a
1296 call. We do not combine across a call, but we still
1297 relied on equivalences.
1299 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
1301 * tree-vrp.c (extract_range_from_binary_expr): Cope with
1302 vrp_int_const_binop returning non-constant nodes.
1304 2006-01-16 Paul Brook <paul@codesourcery.com>
1306 * config/m68k/m68k.c (output_move_const_into_data_reg):
1307 Output correct mnemonic for mvz and mvs.
1309 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
1311 * rtl-factoring.c: Add sequence abstraction algorithm.
1312 * cfgcleanup.c (outgoing_edges_match): Extra checks.
1313 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
1315 (block_has_preserve_label): New function.
1316 * common.opt: Register new pass.
1317 * Makefile.in: Ditto.
1319 * timevar.def: Ditto.
1320 * tree-pass.h: Ditto.
1321 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
1322 * rtl.h (make_jump_insn_raw): Add forward decl.
1323 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
1325 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
1326 Roger Sayle <roger@eyesopen.com>
1328 * fold-const.c (fold_minmax): New static function.
1329 (fold_binary) <MIN_EXPR>: Call it.
1330 <MAX_EXPR>: Likewise.
1331 * stor-layout.c (place_field): Use DECL_SIZE consistently
1332 in the computation of the new record size.
1334 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
1336 * cse.c (cse_condition_code_reg): Make it static.
1337 * rtl.h: Remove the prototype for cse_condition_code_reg.
1339 * combine.c (combine_instructions): Make it static.
1340 * rtl.h: Remove the prototype for combine_instructions.
1342 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1345 * tree.c (get_file_function_name_long): Concatenate the first global
1346 object name with a string derived from the input filename of the object
1349 2006-01-16 Ben Elliston <bje@au.ibm.com>
1351 * config/i386/winnt-stubs.c: Update FSF address.
1352 * config/xtensa/ieee754-df.S: Ditto.
1353 * config/xtensa/ieee754-sf.S: Ditto.
1355 2006-01-14 Ian Lance Taylor <ian@airs.com>
1357 * ifcvt.c (noce_init_if_info): New static function, broken out of
1358 noce_process_if_block.
1359 (noce_process_if_block): Call noce_init_if_info.
1360 (check_cond_move_block): New static function.
1361 (cond_move_process_if_block): New static function.
1362 (process_if_block): Call cond_move_process_if_block.
1364 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
1366 * cselib.c (hash_table): Rename to cselib_hash_table.
1367 (cselib_clear_table, discard_useless_values,
1368 remove_useless_values, cselib_lookup_mem, cselib_lookup,
1369 cselib_init, cselib_finish): Adjust uses of hash_table.
1371 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
1373 PR tree-optimization/25485
1374 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
1375 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
1376 is known to be false and true, respectively.
1378 2006-01-14 Richard Guenther <rguenther@suse.de>
1380 PR tree-optimization/22548
1381 PR tree-optimization/22555
1382 PR tree-optimization/22501
1383 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
1384 * params.def (salias-max-array-elements): New parameter.
1385 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
1386 * doc/invoke.texi (salias-max-array-elements): Document.
1387 * tree-flow-inline.h (var_can_have_subvars): We also handle
1389 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
1391 * tree-ssa-structalias.c (params.h): Include.
1392 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
1393 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
1394 (get_constraint_for): For ADDR_EXPR operating on something
1395 containing an ARRAY_REF, add all subvars to the solution.
1396 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
1397 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
1398 for creating MUST_DEFs.
1399 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
1401 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
1403 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
1405 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
1406 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1407 number_of_iterations_le): New functions.
1408 (number_of_iterations_special): Removed.
1409 (number_of_iterations_exit): Do not use number_of_iterations_special.
1410 * tree.c (unsigned_type_for): Always return integer type.
1412 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
1413 Richard Guenther <rguenther@suse.de>
1415 PR rtl-optimization/24257
1416 * gcse.c (find_moveable_store): Only consider a store movable
1417 when the SET_SRC of the insn can be assigned to a register.
1419 2006-01-14 Ian Lance Taylor <ian@airs.com>
1421 * tree.c (tree_not_class_check_failed): New function.
1422 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
1423 (tree_not_class_check_failed): Declare.
1425 2006-01-13 Ian Lance Taylor <ian@airs.com>
1427 * reload1.c (do_output_reload): Add assertion rejecting a
1430 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
1432 * combine.c (struct reg_stat): Add new fields truncation_label and
1434 (record_value_for_reg): Reset truncated_to_mode.
1435 (record_truncated_value): New function.
1436 (check_promoted_subreg): Call it. Rename to check_conversions.
1437 (combine_instructions): Rename check_promoted_subreg to
1439 (reg_truncated_to_mode): New function.
1440 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
1441 (gen_lowpart_or_truncate): New function.
1442 (force_to_mode): Use it instead of gen_lowpart.
1444 2006-01-13 Diego Novillo <dnovillo@redhat.com>
1446 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
1447 VAR is a tag, not its type tag.
1449 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
1451 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
1452 alternatives to match style of other entries.
1453 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
1455 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
1457 PR tree-optimization/25771
1458 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
1461 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
1464 * tree-inline.c (declare_return_variable): If the return variable
1465 was marked as a non gimple complex, set the return slot variable
1466 to be a non gimple comple variable.
1468 2006-01-13 Richard Guenther <rguenther@suse.de>
1470 * builtins.c (expand_builtin_sincos): New function.
1471 (expand_builtin_mathfn_3): Remove dead code, sin and cos
1473 (expand_builtin): Expand sincos using expand_builtin_sincos.
1475 2006-01-12 DJ Delorie <dj@redhat.com>
1477 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
1478 shift counts, separate SI shifts for m32c vs m16c, pass shift type
1479 so that constant shifts can be split.
1480 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
1481 (m32c_valid_pointer_mode): Make static.
1482 (shift_gen_func_for): New.
1483 (m32c_prepare_shift): Use it. Split large const shifts into
1485 * config/m32c/predicates.md (shiftcount_operand): Allow more
1487 (longshiftcount_operand): New.
1488 * doc/md.texi (Machine Constraints): Document In6.
1490 2006-01-13 Ben Elliston <bje@au.ibm.com>
1492 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
1493 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
1496 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
1498 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
1499 to try to avoid clobbering pieces of structures when we know
1500 something about the whole structure.
1501 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
1503 2006-01-13 Ben Elliston <bje@au.ibm.com>
1505 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
1506 return in memory, as this is no limitation is no longer present.
1508 2006-01-12 DJ Delorie <dj@redhat.com>
1510 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
1511 mova with fb, and for fb+0 -> An.
1513 * config/m32c/mov.md (peephole2): Fix enabling logic.
1515 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
1516 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
1517 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
1518 FINI_ARRAY_SECTION_ASM_OP): Define.
1520 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
1522 (m32c_legitimize_reload_address): New logic to reload FB to An.
1523 (m32c_output_reg_push): Add newline.
1524 (m32c_output_reg_pop): Likewise.
1526 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
1528 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
1530 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
1532 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
1534 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
1536 * config/sh/predicates.md (sh_rep_vec): Add parallel to
1539 2006-01-11 Ben Elliston <bje@au.ibm.com>
1541 * rtlanal.c (find_reg_note): Assert insn is not null.
1543 2005-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
1545 * df-scan.c (df_hard_reg_init): Move declaration of i outside
1548 2006-01-11 Jeff Law <law@redhat.com>
1550 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
1552 (mark_threaded_blocks, register_jump_thread): New functions.
1553 (thread_through_all_blocks): Remove unwanted argument. No
1554 longer rely on e->aux to communicate thread target info.
1555 Call mark_threaded_blocks. Release the threaded_blocks
1556 bitmap and threaded_edges vector when complete.
1557 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
1558 (threaded_blocks): Remove.
1559 (tree_ssa_dominator_optimize): Remove initialization and
1560 finalization of threaded_blocks. Simplify call to
1561 thread_through_all_blocks.
1562 (thread_across_edge): Call register_jump_thread rather than
1563 storing thread information into e->aux.
1564 (free_all_edge_infos): Simplify now that e->aux is no longer
1565 used to communicate with thread_through_all_blocks.
1566 * tree-flow.h (thread_through_all_blocks): Update prototype.
1567 (register_jump_thread): Prototype.
1569 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
1571 * df-core.c (df_compact_blocks, df_bb_replace): Use
1572 SET_BASIC_BLOCK instead of BASIC_BLOCK.
1574 2006-01-11 Richard Guenther <rguenther@suse.de>
1576 PR tree-optimization/25734
1577 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
1578 stop propagation after successful propagation to the LHS.
1580 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
1582 * basic-block.h (control_flow_graph): Change the type of
1583 x_basic_block_info to VEC(basic_block,gc) *.
1584 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
1586 (SET_BASIC_BLOCK): New.
1587 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
1588 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
1589 * cfgbuild.c (find_basic_blocks): Likewise.
1590 * cfglayout.c (fixup_reorder_chain): Likewise.
1591 * cfgrtl.c (create_basic_block_structure,
1592 rtl_create_basic_block): Likewise.
1593 * ifcvt.c (find_if_case_1): Likewise.
1594 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
1597 2005-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
1599 * Makefile.in: Removed rotted odf.c entry.
1601 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
1604 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
1605 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
1606 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
1607 output pattern modifier, not %e.
1608 * config/cris/cris.c (cris_op_str): Update comment about pattern
1610 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
1611 before falling through into...
1612 <case 'E'>: Redefined from old 'e' case.
1614 2006-01-11 Jan Hubicka <jh@suse.cz>
1617 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
1619 2006-01-11 Jan Hubicka <jh@suse.cz>
1621 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
1622 * i386.c (x86_decompose_lea): Kill.
1623 (ix86_rtx_costs): Kill.
1625 2006-01-11 Jan Hubicka <jh@suse.cz>
1627 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
1628 * cgraph.h (cgraph_node): Add inline_decl.
1629 (cgraph_insert_node_to_hashtable): Declare.
1630 (save_inline_function_body): Declare.
1631 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
1633 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
1634 (cgraph_function_versioning): Update call of tree_function_versioning.
1635 (save_inline_function_body): New function.
1636 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
1637 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
1638 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
1639 (cgraph_default_inline_p): Likewise.
1640 (cgraph_decide_inlining_incrementally): Likewise.
1641 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
1642 (copy_bb): Kill saving; do updating of clones.
1643 (copy_cfg_body): Kill saving.
1644 (initialize_inlined-parameters): Likewise.
1645 (expand_call_inline): Likewise.
1647 (tree_function_versioning): New parameter "update_clones".
1648 (inlining_p): Kill saving.
1649 * tree-inline.h (tree_function_versioning): Update prototype.
1650 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
1653 2006-01-11 Ian Lance Taylor <ian@airs.com>
1655 * combine.c (struct undo): Remove is_int. Enumify types of undos.
1656 Allow undoing set of machine mode.
1657 (do_SUBST): Use enums instead of is_int.
1658 (do_SUBST_MODE): New function.
1659 (SUBST_MODE): New macro.
1660 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
1661 reg and trying to replace reg_regno_rtx with a new register.
1662 (undo_all): Use new enums, handle undoing a PUT_MODE change.
1663 (simplify_set): Use SUBST_MODE.
1664 (distribute_notes): Remove code that tried to update reg notes
1665 for regno_reg_rtx changes.
1667 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
1669 PR tree-optimization/23109
1670 PR tree-optimization/23948
1671 PR tree-optimization/24123
1673 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
1674 * tree-cfg.c (single_noncomplex_succ): New.
1675 * tree-flow.h (single_noncomplex_succ): Declare it.
1676 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
1677 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
1678 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
1679 insert_bb, register_division_in, insert_reciprocals,
1680 replace_reciprocal, free_bb): New.
1681 (execute_cse_reciprocals_1): Rewritten.
1682 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
1683 Do not commit any edge insertion. Always compute dominators and
1684 create the allocation pool.
1685 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
1686 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
1687 * targhooks.c (default_min_divistions_for_recip_mul): New.
1688 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
1689 * passes.c (init_optimization_passes): Run recip after tree loop
1691 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
1693 2005-01-11 Danny Berlin <dberlin@dberlin.org>
1694 Kenneth Zadeck <zadeck@naturalbridge.com>
1696 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
1697 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
1698 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
1699 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
1700 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
1701 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
1702 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
1703 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
1704 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
1705 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
1706 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
1707 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
1708 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
1709 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
1710 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
1711 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
1712 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
1713 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
1714 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
1715 DF_SCAN_POST_ALLOC): New macros.
1716 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
1717 df_free_bb_function, df_local_compute_function, df_init_function,
1718 df_dataflow_function, df_confluence_function_0,
1719 df_confluence_function_n, df_transfer_function,
1720 df_finalizer_function, df_free_function, df_dump_problem_function,
1721 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
1722 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
1723 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
1724 df_urec_bb_info, ) New types.
1725 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
1727 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
1728 df_analyze_simple_change_some_blocks,
1729 df_analyze_simple_change_one_block, df_compact_blocks,
1730 df_bb_replace, df_bb_regno_last_use_find,
1731 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
1732 df_insn_regno_def_p, df_find_def, df_find_use,
1733 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
1734 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
1735 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
1736 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
1737 debug_df_chain, df_get_dependent_problem, df_chain_create,
1738 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
1739 df_grow_bb_info, df_chain_dump, df_print_bb_index,
1740 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
1741 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
1742 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
1743 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
1744 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
1745 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
1746 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
1747 df_ref_remove, df_insn_refs_delete, df_refs_delete,
1748 df_reorganize_refs, df_set_state, df_hard_reg_init,
1749 df_read_modify_subreg_p) New public functions.
1750 * df-core.c: The core dataflow solver and glue routines for rtl
1752 (df_init, df_add_problem, df_set_blocks, df_finish,
1753 df_hybrid_search_forward, df_hybrid_search_backward,
1754 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
1755 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
1756 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
1757 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
1758 df_reg_defined, df_find_use, df_reg_used, df_dump,
1759 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
1760 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
1761 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
1762 debug_df_useno, reset_df_after_reload): New functions.
1763 * df-scan.c: The scanning fuctions, once in df.c, completely
1764 rewritten so that they now fully model the functionality of
1765 register usage at the backend.
1766 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
1767 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
1768 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
1769 df_grow_insn_info, df_rescan_blocks, df_ref_create,
1770 df_get_artificial_defs, df_get_artificial_uses,
1771 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
1772 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
1773 df_refs_delete, df_reorganize_refs, df_set_state,
1774 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
1775 df_def_record_1, df_defs_record, df_uses_record,
1776 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
1777 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
1778 df_record_exit_block_uses, df_hard_reg_init): New functions.
1780 * df-problems.c: Seven concrete dataflow problems that use the
1781 scanning in df-scan.c and are solved by the engine in df-core.c.
1782 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
1783 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
1784 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
1785 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
1786 df_ru_free_bb_info, df_ru_alloc,
1787 df_ru_bb_local_compute_process_def,
1788 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
1789 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
1790 df_ru_transfer_function, df_ru_free, df_ru_dump,
1791 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
1792 df_rd_free_bb_info, df_rd_alloc,
1793 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
1794 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
1795 df_rd_transfer_function, df_rd_free, df_rd_dump,
1796 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
1797 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
1798 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
1799 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
1800 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
1801 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
1802 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
1803 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
1804 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
1805 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
1806 df_urec_mark_reg_change, df_urec_check_earlyclobber,
1807 df_urec_mark_reg_use_for_earlyclobber,
1808 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
1809 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
1810 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
1811 df_urec_dump, df_urec_add_problem, df_chain_alloc,
1812 df_chain_create_bb_process_use, df_chain_create_bb,
1813 df_chain_finalize, df_chain_free, df_chains_dump,
1814 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
1815 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
1816 df_reg_lifetime): New functions.
1817 * df.c: Deleted file.
1818 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
1819 consistent with new df api.
1820 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
1821 rest_of_handle_sms): Ditto.
1822 * web.c (unionfind_union, union_defs, entry_register, web_main):
1824 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
1825 invariant_expr_equal_p, find_defs, check_dependencies,
1826 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
1827 free_inv_motion_data, move_loop_invariants): Ditto.
1828 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
1829 Update dependencies.
1830 (odf.c): Added defective entry that was deleted later in day.
1831 * sched-deps.c (sched_analyze_1): Ditto.
1833 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
1835 * tree-ssa-operands.c (get_expr_operands): Record addressable
1836 variables directly. Do not call add_stmt_operands for CONST_DECLs
1838 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
1839 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
1841 2006-01-11 Ben Elliston <bje@au.ibm.com>
1843 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
1844 function returns true in the positive case.
1846 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1849 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
1850 for SI, DI, SF and DF modes. Add alternatives to copy between
1851 general and floating point registers to the 32-bit patterns.
1852 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
1853 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
1854 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
1855 generating 64-bit code.
1856 * config/pa/pa.c (output_move_double): Handle copies between general
1857 and floating registers.
1859 2006-01-10 Stuart Hastings <stuart@apple.com>
1861 * config/i386/i386.md (set_got): Update.
1862 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
1863 (builtin_setjmp_receiver): Mach-O support.
1864 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
1865 (GOT_SYMBOL_NAME): Define.
1866 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
1867 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
1868 * config/i386/i386.c (override_options): Revise for Darwin.
1869 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
1870 support. (darwin_x86_file_end): New. (output_set_got): Add label
1871 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
1872 * config/i386/i386-protos.h (output_set_got): Likewise.
1873 * config/darwin.c (machopic_legitimize_pic_address): Update
1876 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
1878 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
1879 when MODE isn't BLKmode.
1881 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1883 PR rtl-optimization/25367
1884 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
1886 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
1889 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
1890 for a negative bound.
1892 2006-01-10 Richard Guenther <rguenther@suse.de>
1894 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1895 Never override with anything constraint.
1897 2006-01-10 Jan Beulich <jbeulich@novell.com>
1899 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
1900 256 bits when optimize_size.
1902 2006-01-10 Jan Beulich <jbeulich@novell.com>
1904 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
1906 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
1907 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
1910 2006-01-10 Ben Elliston <bje@au.ibm.com>
1912 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
1914 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
1915 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
1916 (USE_FP_FOR_ARG): Reject decimal float modes.
1917 (function_arg_advance): Likewise.
1918 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
1919 (rs6000_handle_altivec_attribute): Do not permit decimal floating
1920 point types in AltiVec vectors.
1921 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
1922 (rs6000_libcall_value): Likewise.
1924 2006-01-09 Bob Wilson <bob.wilson@acm.org>
1926 * config/xtensa/ieee754-df.S: New file.
1927 * config/xtensa/ieee754-sf.S: New file.
1928 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
1929 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
1930 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
1932 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
1934 * config/sh/predicates.md (binary_float_operator,
1935 binary_logical_operator, commutative_float_operator,
1936 equality_comparison_operator, greater_comparison_operator,
1937 less_comparison_operator, logical_operator,
1938 noncommutative_float_operator, shift_operator,
1939 symbol_ref_operand, unary_float_operator): Remove redundant
1942 2006-01-09 Jeff Law <law@redhat.com>
1944 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
1945 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
1946 now unused arguments. Callers updated.
1947 (eliminate_redundant_computations): Remove now unused arguments,
1949 (local_fold): Remove, no longer used.
1950 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
1952 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
1953 (simplify_cond): New function.
1954 (forward_propagate_into_cond): Call simplify_cond.
1956 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
1958 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
1959 (*vec_extractv2di_1_sse): New.
1961 2006-01-09 Ben Elliston <bje@au.ibm.com>
1963 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
1965 2006-01-08 Richard Guenther <rguenther@suse.de>
1967 * tree-ssa-structalias.c (get_constraint_for): Remove
1969 (get_constraint_for_component_ref): Likewise.
1970 (do_deref): Likewise.
1971 (get_constraint_for): Likewise.
1972 (do_structure_copy): Likewise.
1973 (handle_ptr_arith): Likewise.
1974 (find_func_aliases): Likewise. Remove unused need_anyoffset
1977 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
1978 Kaz Kojima <kkojima@gcc.gnu.org>
1980 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
1981 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
1982 (EXTRA_CONSTRAINT_C16): Remove.
1983 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
1984 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
1985 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
1986 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
1987 constants of SHmedia. Handle nested constant expressions of
1989 (andcosts): Fix the costs for SHmedia constants.
1990 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
1991 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
1992 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
1993 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
1994 (movv4hi_i, movv2si_i): Likewise.
1995 (movsi_const): Adjust the second operand of ior so to match with
1997 (movdi_const, movdi_const_32bit): Likewise.
1998 (movdi_const_16bit+1): Don't sign-extend LOW.
1999 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
2001 (*double_shori): Fix the split condition. Use GEN_INT instead
2002 of get_int_mode calls. Mask lower 16-bit of the argument of
2004 (sym2GOTPLT): Remove.
2005 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
2007 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
2008 instead of EXTRA_CONSTRAINT_C16.
2010 2006-01-07 Ian Lance Taylor <ian@airs.com>
2011 David Edelsohn <edelsohn@gnu.org>
2013 PR rtl-optimization/25662
2014 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
2015 for constant operands instead of simplify_gen_binary.
2016 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
2017 after trying simplify_binary_operation
2019 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
2021 * tree.c (iterative_hash_expr): Hash decls based on UID.
2023 2006-01-06 Eric Christopher <echristo@apple.com>
2025 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
2026 (TARGET_UNWIND_EMIT): Fix spelling.
2027 * target.h (gcc_target): Add except_table_label.
2028 * except.c (output_function_exception_table): Use.
2029 * varasm.c (default_emit_except_table_label): New.
2030 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
2032 (asm_out): Add here.
2033 * output.h (default_emit_except_table_label): Prototype.
2034 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
2035 * config/darwin.c (darwin_emit_except_table_label): Define.
2036 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
2038 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
2040 PR tree-optimization/18527
2041 * tree-ssa-loop-niter.c (number_of_iterations_cond,
2042 number_of_iterations_special, number_of_iterations_exit):
2043 Move base and step of an iv to a single structure. Add
2044 no_overflow flag, and use it in # of iterations analysis.
2045 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
2046 folded_casts argument.
2047 (simple_iv): Pass base and step in a structure. Set no_overflow
2049 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
2050 Evaluate expensiveness of computing # of iterations instead of
2051 the final expression.
2052 * tree-scalar-evolution.h (affine_iv): New structure.
2053 (simple_iv): Declaration changed.
2054 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
2055 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
2056 find_givs_in_stmt): Changed due to simple_iv change.
2058 2006-01-06 Jeff Law <law@redhat.com>
2061 * tree-cfg.c (bsi_replace): Rename final argument from
2062 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
2063 change (stmt -> orig_stmt).
2064 * tree-eh.c (verify_eh_throw_stmt_node): New function.
2065 (bsi_remove): Add new argument. Remove EH information
2067 (verify_eh_throw_table_statements): New function.
2068 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
2070 * tree-optimize.c (execute_free_cfg_annotations): Verify
2071 the EH throw statement table after removing annotations.
2072 * except.h (verify_eh_throw_table_statements): Prototype.
2073 * tree-flow.h (bsi_remove): Update prototype.
2074 * tree-vrp.c (remove_range_assertions): Add new argument to
2076 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
2077 * tree-complex.c (expand_complex_div_wide): Likewise.
2078 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
2079 * tree-tailcall.c (eliminate_tailcall): Likewise.
2080 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
2081 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
2082 * tree-nrv.c (tree_nrv): Likewise.
2083 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
2084 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
2085 (combine_blocks): Likewise.
2086 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
2087 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
2088 (cleanup_control_flow): Likewise.
2089 (remove_forwarder_block): Likewise.
2090 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
2091 * tree-sra.c (sra_replace): Likewise.
2092 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
2093 (forward_propagate_single_use_vars): Likewise.
2094 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
2095 * tree-inline.c (expand_call_inline): Likewise.
2096 * tree-vect-transform.c (vect_transform_loop): Likewise.
2097 * tree-outof-ssa.c (rewrite_trees): Likewise.
2098 * tree-cfg.c (make_goto_expr_edges): Likewise.
2099 (cleanup_dead_labels): Likewise.
2100 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
2101 (bsi_move_before, bsi_move_after): Likewise.
2102 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
2103 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
2105 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
2108 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
2110 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
2111 on non gimple variables. Also add checks at the top for decls and
2113 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
2115 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
2116 and IMAGPART_EXPR for creating MUST_DEFs.
2117 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
2118 and NAME_MEMORY_TAG separately from the DECLs.
2120 2006-01-06 Richard Guenther <rguenther@suse.de>
2122 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
2123 annotation, if necessary.
2124 * tree-ssa-pre.c (create_expression_by_pieces): Remove
2125 redundant calls to update_stmt.
2126 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
2129 2006-01-05 Richard Henderson <rth@redhat.com>
2131 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
2133 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
2135 * c-typeck.c: Update copyright date.
2137 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
2139 * c-typeck.c (build_c_cast): Always warn when casting
2140 from a pointer to an integer of different size, even if
2141 the node was constant.
2143 2006-01-05 Richard Guenther <rguenther@suse.de>
2145 PR tree-optimization/22555
2146 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
2147 if one structure field is an array.
2148 * tree-ssa-operands.c (get_expr_operands): Continue scanning
2149 operands even if we found a subvar, but ignore VOPs in this
2151 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
2153 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
2155 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
2158 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
2160 2006-01-05 Richard Guenther <rguenther@suse.de>
2161 Diego Novillo <dnovillo@redhat.com>
2163 * tree-pass.h (TODO_remove_unused_locals): Define.
2164 * gimple-low.c (expand_var_p, remove_useless_vars,
2165 pass_remove_useless_vars): Remove. Update all users.
2166 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
2167 (remove_unused_locals): New function.
2168 * tree-flow.h (remove_unused_locals): Declare.
2169 * passes.c (execute_todo): Call remove_unused_locals if
2170 TODO_remove_unused_locals is set.
2171 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
2172 * tree-ssa-dce.c (pass_dce): Likewise.
2173 * tree-outof-ssa.c (pass_del_ssa): Likewise.
2175 2006-01-05 Richard Guenther <rguenther@suse.de>
2177 * tree-flow.h (struct fieldoff): Decompose field to
2178 type, size and decl.
2179 * tree-ssa-alias.c (create_sft): Take type as parameter.
2180 (create_overlap_variables_for): Store type, size and decl
2181 in the fieldoff structure.
2182 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
2184 (push_fields_onto_fieldstack): Likewise.
2185 (create_variable_info_for): Likewise. Use offset for the
2186 SFT name if the decl is not available.
2188 2006-01-04 Paul Brook <paul@codesourcery.com>
2190 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
2192 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
2194 * lambda-code.c (can_put_in_inner_loop): Relax
2196 (can_put_after_inner_loop): New function.
2197 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
2198 (perfect_nestify): Change to make copies and modify uses.
2200 2006-01-04 Richard Henderson <rth@redhat.com>
2202 Merge from gomp branch:
2203 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
2204 via integer constant.
2205 (pragma_lex): Remove.
2206 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
2207 rather than parsing it.
2208 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
2209 handle_pragma_extern_prefix): Add %< %> quotes.
2210 (registered_pragmas): New.
2211 (c_register_pragma_1): New.
2212 (c_register_pragma): Use it.
2213 (c_register_pragma_with_expansion): Likewise.
2214 (c_invoke_pragma_handler): New.
2215 (init_pragma): Use cpp_register_deferred_pragma directly for
2217 * c-pragma.h (enum pragma_kind): New.
2218 (pragma_handler): New.
2219 (c_invoke_pragma_handler): Declare.
2220 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
2222 * c-common.h (c_common_pch_pragma): Update decl.
2223 * Makefile.in (c-parser.o): Update dependencies.
2224 (GTFILES): Add c-pragma.h.
2225 * c-parser.c (struct c_token): Add pragma_kind.
2226 (struct c_parser): Add in_pragma.
2227 (c_lex_one_token): Always initialize keyword and pragma_kind.
2228 Extract data for CPP_PRAGMA.
2229 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
2230 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
2231 Don't allow CPP_PRAGMA_EOL if in_pragma.
2232 (c_parser_consume_pragma): New.
2233 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
2234 (c_parser_skip_to_end_of_parameter): Likewise.
2235 (c_parser_skip_to_end_of_block_or_statement): Likewise.
2236 (c_parser_skip_to_pragma_eol): New.
2237 (c_parser_external_declaration): Handle CPP_PRAGMA.
2238 (c_parser_compound_statement_nostart): Likewise.
2239 (c_parser_statement_after_labels): Likewise.
2240 (c_parser_pragma): New.
2241 (pragma_lex): Likewise.
2242 (c_parser_pragma_pch_preprocess): New.
2243 (c_parser_new): Merge into ...
2244 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
2246 2006-01-04 Jeff Law <law@redhat.com>
2249 * tree-cfg.c (bsi_replace): Remove the original statement
2250 from the EH throw statement table.
2252 2006-01-04 Jakub Jelinek <jakub@redhat.com>
2254 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
2255 make the prototype extern "C" and add throw ().
2258 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
2259 and pos non-negative and pos + len <= 32.
2260 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
2261 drop pos + len < HOST_BITS_PER_WIDE_INT test.
2262 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
2265 * c-common.c (handle_vector_size_attribute): Reject zero vector size
2266 as well as sizes not multiple of component size.
2269 * function.c (instantiate_expr): New function.
2270 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
2271 walk its DECL_VALUE_EXPR with instantiate_expr.
2273 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
2274 DW_OP_deref{,_size} if address isn't going to be added.
2276 2006-01-04 Ben Elliston <bje@au.ibm.com>
2278 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
2279 * config/fp-bit.c: Likewise.
2281 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
2283 * dominance.c: Add comment about why we use DFS numbering
2286 2006-01-03 Jakub Jelinek <jakub@redhat.com>
2287 Richard Henderson <rth@redhat.com>
2289 Merge from gomp-branch:
2290 * varasm.c (assemble_variable): Handle thread-local COMMON data.
2291 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
2293 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
2295 PR rtl-optimization/25578
2296 * combine.c (combine_simplify_rtx, force_to_mode): Don't
2297 pass a parameter to simplify_shift_const if changing ASHIFTRT
2300 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
2302 * builtins.c (get_builtin_sync_mem): New function.
2303 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
2304 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
2305 Call get_builtin_sync_mem to generate mem rtx.
2307 2006-01-03 Richard Guenther <rguenther@suse.de>
2310 * stmt.c (add_case_node): Make sure to clear overflow flags
2313 2006-01-03 Jakub Jelinek <jakub@redhat.com>
2315 Merge from gomp-branch.
2316 * config/sparc/sync.md: New file.
2317 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
2318 UNSPECV_LDSTUB): New constants.
2319 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
2320 * config/sparc/predicates.md (memory_reg_operand): New predicate.
2321 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
2324 2006-01-03 Roger Sayle <roger@eyesopen.com>
2326 * combine.c (reg_subword_p): New predicate to test whether the
2327 destination of a set refers to a subword/piece of a register.
2328 (try_combine): Generalize the code to merge the setting of a
2329 pseudo to a constant followed by a set of a subword of that
2330 register to a constant.
2332 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
2334 * basic-block.h (control_flow_graph): Change the type of
2335 x_label_to_block_map to VEC(basic_block,gc) *.
2336 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
2337 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
2339 * tree-ssa-propagate.c (cfg_blocks): Change the type to
2340 VEC(basic_block,heap) *.
2341 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
2342 ssa_prop_fini): Adjust the uses of cfg_blocks.
2344 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
2346 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
2348 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
2349 hashing trees instead of a pointer hash.
2350 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
2351 compare for MEM_EXPR.
2353 PR rtl-optimization/25130
2354 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
2355 when comparing MEMs for GCSE
2357 2006-01-03 Ben Elliston <bje@au.ibm.com>
2359 * targhooks.h (default_decimal_float_supported_p): Declare.
2360 * targhooks.c (default_decimal_float_supported_p): Define.
2361 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
2362 `default_decimal_float_supported_p'.
2363 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
2365 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
2367 * combine.c (apply_distributive_law <SUBREG>): Check
2368 TRULY_NOOP_TRUNCATION.
2370 2006-01-02 Geoffrey Keating <geoffk@apple.com>
2372 * dwarf2out.c (have_switched_text_section): Delete.
2373 (have_multiple_function_sections): New.
2374 (have_location_lists): Make 'bool'.
2375 (add_AT_loc_list): Use 'true' not '1'.
2376 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
2377 (output_loc_list): Use have_multiple_function_sections.
2378 (output_ranges): Likewise.
2379 (dwarf2out_begin_function): Set have_multiple_function_sections if
2381 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
2382 Check function_section rather than DECL_SECTION_NAME.
2383 (dwarf2out_finish): Use have_multiple_function_sections.
2384 Don't clear have_location_lists.
2386 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
2387 Jan Hubicka <jh@suse.cz>
2389 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
2390 case of conditional jump jumping to the next instruction.
2391 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
2392 cases of conditional jump jumping to the next instruction.
2394 2006-01-02 Jan Hubicka <jh@suse.cz>
2396 * i386.c (*_cost): Add COSTS_N_INSNS.
2397 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
2399 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
2402 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
2404 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2406 * config/arm/arm.c (all_fpus): Fix comment typo.
2407 * config/darwin.c: Likewise.
2408 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
2409 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
2410 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
2412 2006-01-01 David Edelsohn <edelsohn@gnu.org>
2414 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
2415 (rs6000_split_compare_and_swapqhi): New.
2416 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
2417 (sync_compare_and_swapqhi_internal): New.
2418 * config/rs6000/rs6000-protos.h: Declare.
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