1 2010-04-16 Doug Kwan <dougkwan@google.com>
3 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
4 (next_operand_entry_id): New static variable.
5 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
6 (add_to_ops_vec): Assigned unique ID to operand entry.
7 (struct oecount_s): New field ID.
8 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
9 (undistribute_ops_list): Assign unique IDs to oecounts.
10 (init_reassoc): reset next_operand_entry_id.
12 2010-04-16 Doug Kwan <dougkwan@google.com>
14 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
15 missing left parenthesis.
17 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
19 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
20 *btdi_rex64 using SWI48 mode iterator.
21 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
22 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
25 2010-04-16 Anatoly Sokolov <aesok@post.ru>
27 * double-int.h (tree_to_double_int): Convert to macro.
28 * double-int.c (tree_to_double_int): Remove.
30 2010-04-16 Jakub Jelinek <jakub@redhat.com>
33 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
34 with want_address 2 and in case a single element list might be
35 possible, call it again with want_address 0.
37 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
39 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
41 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
42 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
45 * config/h8300/h8300.md (inverted load with HImode dest): Add
48 * config/h8300/predicate.md (bit_operand): Allow immediate values that
49 satisfy 'U' constraint.
51 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
53 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx
55 * configure: Regenerate.
56 * config.in: Regenerate.
57 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
60 2010-04-16 Richard Guenther <rguenther@suse.de>
62 * tree.h (struct tree_decl_minimal): Move pt_uid ...
63 (struct tree_decl_common): ... here.
64 (DECL_PT_UID): Adjust.
65 (SET_DECL_PT_UID): Likewise.
66 (DECL_PT_UID_SET_P): Likewise.
68 2010-04-16 Richard Guenther <rguenther@suse.de>
70 PR tree-optimization/43572
71 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
72 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
73 * tree-flow.h (is_call_clobbered): Remove.
74 * tree-flow-inline.h (is_call_clobbered): Likewise.
75 * tree-dfa.c (dump_variable): Do not dump call clobber state.
76 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
77 (execute_return_slot_opt): Adjust.
78 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
79 check for call clobbered vars here.
80 (find_tail_calls): Move tailcall verification to the
83 2010-04-16 Diego Novillo <dnovillo@google.com>
85 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings
88 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
91 * config/arm/arm.md (cbranchqi4): New pattern.
92 * config/arm/predicates.md (const0_operand,
93 cbranchqi4_comparison_operator): New predicates.
95 2010-04-16 Richard Guenther <rguenther@suse.de>
97 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
98 (dump_gimple_stmt): Likewise.
100 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
102 * recog.h (struct recog_data): New field is_operator.
103 (struct insn_operand_data): New field is_operator.
104 * recog.c (extract_insn): Set recog_data.is_operator.
105 * genoutput.c (output_operand_data): Emit code to set the
107 * reload.c (find_reloads): Use it rather than testing for an
108 empty constraint string.
111 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
112 If the previous insn is a cbranchsi4_insn with the same arguments,
113 omit the compare instruction.
115 * config/arm/arm.md (addsi3_cbranch): If destination is a high
116 register, inputs must be low registers and we need a low register
117 scratch. Handle alternative 2 like alternative 3.
119 2010-04-16 Jakub Jelinek <jakub@redhat.com>
121 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
122 don't call get_addr on both. If one expression is a VALUE and
123 the other a REG, check VALUE's locs if the REG isn't among them.
125 2010-04-16 Christian Bruel <christian.bruel@st.com>
127 * config/sh/sh.h (sh_frame_pointer_required): New function.
128 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
129 (flag_omit_frame_pointer) Set.
130 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
131 (rounded_frame_size): Adjust size with outgoing_args_size.
132 (sh_set_return_address): Must return from stack pointer.
133 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
134 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
135 (ACCUMULATE_OUTGOING_ARGS): Define.
136 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
137 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
139 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
142 * config/sh/sh.c (sh_legitimize_reload_address): Use
143 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
144 Remove a unneeded check for offset_base.
146 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
148 * configure: Regenerated.
150 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
152 * config/s390/s390.c (s390_call_save_register_used): Switch back
155 2010-04-15 Richard Guenther <rguenther@suse.de>
157 * alias.c (alias_set_subset_of): Handle alias-set zero
160 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
161 Julian Brown <julian@codesourcery.com>
163 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
164 alternatives according to use of high and low regs.
165 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
166 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
167 optimizing for size on Thumb-2.
169 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
171 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
173 2010-04-15 Richard Guenther <rguenther@suse.de>
175 * tree-ssa-structalias.c (struct variable_info): Add
177 (new_var_info): Initialize it.
178 (dump_constraints): Support printing last added constraints.
179 (debug_constraints): Adjust.
180 (dump_constraint_graph): Likewise.
181 (make_heapvar_for): Check for NULL cfun.
182 (get_function_part_constraint): New function.
183 (get_fi_for_callee): Likewise.
184 (find_func_aliases): Properly implement IPA PTA constraints.
185 (process_ipa_clobber): New function.
186 (find_func_clobbers): Likewise.
187 (insert_into_field_list_sorted): Remove.
188 (create_function_info_for): Properly allocate vars for IPA mode.
189 Do not use insert_into_field_list_sorted.
190 (create_variable_info_for): Properly generate constraints for
191 global vars in IPA mode.
192 (dump_solution_for_var): Always dump the solution.
193 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
194 (find_what_var_points_to): Adjust.
195 (pt_solution_set): Change.
196 (pt_solution_ior_into): New function.
197 (pt_solution_empty_p): Export.
198 (pt_solution_includes_global): Adjust.
199 (pt_solution_includes_1): Likewise.
200 (pt_solutions_intersect_1): Likewise.
201 (dump_sa_points_to_info): Check some invariants.
202 (solve_constraints): Move constraint dumping ...
203 (compute_points_to_sets): ... here.
204 (ipa_pta_execute): ... and here.
205 (compute_may_aliases): Do not re-compute points-to info
206 locally if IPA info is available.
207 (ipa_escaped_pt): New global var.
208 (ipa_pta_execute): Properly implement IPA PTA.
209 * tree-into-ssa.c (dump_decl_set): Support dumping
210 decls not in referenced-vars.
211 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
212 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
213 (dump_points_to_solution): Likewise.
214 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
215 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
216 (remap_gimple_stmt): Reset call clobber/use information if
218 (copy_decl_to_var): Copy DECL_PT_UID.
219 (copy_result_decl_to_var): Likewise.
220 * tree.c (make_node_stat): Initialize DECL_PT_UID.
221 (copy_node_stat): Copy it.
222 * tree.h (DECL_PT_UID): New macro.
223 (SET_DECL_PT_UID): Likewise.
224 (DECL_PT_UID_SET_P): Likewise.
225 (struct tree_decl_minimal): Add pt_uid member.
226 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
227 (pt_solution_empty_p): Declare.
228 (pt_solution_set): Adjust.
229 (ipa_escaped_pt): Declare.
230 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
231 * gimple-pretty-print.c (pp_points_to_solution): New function.
232 (dump_gimple_call): Dump call clobber/use information.
233 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
234 * tree-pass.h (TDF_ALIAS): New dump option.
235 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
236 * doc/invoke.texi (-fipa-pta): Update documentation.
238 2010-04-15 Richard Guenther <rguenther@suse.de>
240 * Makefile.in (OBJS-common): Add gimple-fold.o.
241 (gimple-fold.o): New rule.
242 * tree.h (maybe_fold_offset_to_reference,
243 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
245 * gimple.h: ... here.
246 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
247 may_propagate_address_into_dereference): Move prototypes ...
248 * gimple.h: ... here.
249 * tree-ssa-ccp.c (get_symbol_constant_value,
250 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
251 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
252 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
253 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
254 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
255 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
256 gimplify_and_update_call_from_tree): Move ...
257 * gimple-fold.c: ... here. New file.
258 (ccp_fold_builtin): Rename to ...
259 (gimple_fold_builtin): ... this.
260 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
262 2010-04-15 Richard Guenther <rguenther@suse.de>
264 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
265 fit_double_type, force_fit_type_double, add_double_with_sign,
266 neg_double, mul_double_with_sign, lshift_double, rshift_double,
267 lrotate_double, rrotate_double, div_and_round_double): Move ...
268 * double-int.c: ... here.
269 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
270 add_double, neg_double, mul_double_with_sign, mul_double,
271 lshift_double, rshift_double, lrotate_double, rrotate_double,
272 div_and_round_double): Move prototypes ...
273 * double-int.h: ... here.
275 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
278 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
279 matching constraints to ensure inputs match the output.
281 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
284 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
285 in an input-only operand.
287 2010-04-15 Anatoly Sokolov <aesok@post.ru>
289 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
290 (double_int_not, double_int_lshift, double_int_rshift): Declare.
291 (double_int_negative_p): Convert to static inline function.
292 * double-int.c (double_int_lshift, double_int_lshift): Add new function.
293 (double_int_negative_p): Remove.
294 * tree.h (lshift_double, rshift_double):
295 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
296 * fold-const.c (fold_convert_const_int_from_real,
297 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
298 (lshift_double): Change type of arith argument to bool.
299 (rshift_double): Change type of arith argument to bool. Correct
301 * expmed.c (mask_rtx, lshift_value): (Ditto.).
303 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
306 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
307 at the start and end of the then/else blocks, and omit them from the
309 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
310 argument; all callers changed. Pass zero to old_insns_match_p instead.
311 (flow_find_head_matching_sequence): New function.
312 (old_insns_match_p): Check REG_EH_REGION notes for calls.
313 * basic-block.h (flow_find_cross_jump,
314 flow_find_head_matching_sequence): Declare functions.
316 2010-04-14 Jason Merrill <jason@redhat.com>
319 * c-common.c (attribute_takes_identifier_p): New fn.
320 * c-common.h: Declare it.
322 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
324 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
326 (*udivmod<mode>4): Ditto.
328 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
330 * config/i386/i386.md (maxmin_int): Rename code attribute from
331 maxminiprefix and update all users.
332 (maxmin_float): Ditto from maxminfprefix.
333 (logic): Ditto from logicprefix.
334 (absneg_mnemonic): Ditto from absnegprefix.
335 * config/i386/mmx.md: Update all users of maxminiprefix,
336 maxminfprefix and logicprefix for rename.
337 * config/i386/sse.md: Ditto.
338 * config/i386/sync.md (sync_<code><mode>): Update for
341 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
344 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
345 warnings converted to errors.
347 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
349 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
350 used insn_type variable.
351 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
352 to avoid set-but-not-used warning.
354 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
356 * df-core.c (df_ref_debug): Change format string placeholder
358 * dwarf2asm.c (dw2_asm_output_data_raw,
359 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
360 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
361 * dwarf2out.c (output_cfi, output_cfi_directive,
362 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
363 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
365 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
366 * print-rtl.c (print_rtx): Ditto.
368 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
371 * builtins.c (expand_builtin_pow_root): New function to expand pow
372 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
373 series of sqrt and cbrt calls under -ffast-math.
374 (expand_builtin_pow): Call it.
376 2010-04-14 Michael Matz <matz@suse.de>
378 PR tree-optimization/42963
379 * tree-cfg.c (touched_switch_bbs): New static variable.
380 (group_case_labels_stmt): New function broken out from ...
381 (group_case_labels): ... here, use the above.
382 (start_recording_case_labels): Allocate touched_switch_bbs.
383 (end_recording_case_labels): Deallocate it, call
384 group_case_labels_stmt.
385 (gimple_redirect_edge_and_branch): Remember index of affected BB.
387 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
389 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
392 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
394 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
396 2010-04-13 Jan Hubicka <jh@suse.cz>
398 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
399 of optimized out static functions.
400 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
401 cost computation. Also sanity check for overflows.
402 (update_caller_keys): Update cgraph_edge_badness call; properly
403 update fibheap and sanity check that it is up to date.
404 (add_new_edges_to_heap): Update cgraph_edge_badness.
405 (cgraph_decide_inlining_of_small_function): Likewise;
406 add sanity checking that badness in heap is up to date;
407 improve dumping of reason; Update badness of calls to the
408 offline copy of function currently inlined; dump badness
409 of functions not inlined because of unit growth limits.
411 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
414 * c-common.c (pointer_int_sum): Disregard overflow that occured only
415 because of sign-extension change when converting to sizetype here...
416 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
418 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
419 the folding to constants. Remove redundant final conversion.
420 (fold_binary) <associate>: Do not associate if the re-association of
421 constants alone overflows.
422 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
423 to the end of the list.
424 (multiple_of_p) <COND_EXPR>: New case.
426 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
428 * opt-functions.awk (opt_sanitized_name): New.
430 * optc-gen.awk: Use it
431 * opth-gen.awk: Use it.
433 2010-04-13 Martin Jambor <mjambor@suse.cz>
435 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
436 (sra_modify_assign): Delete stmts loading dead data even if racc has no
437 children. Call replace_uses_with_default_def_ssa_name to handle
440 2010-04-13 Michael Matz <matz@suse.de>
443 * builtins.c (expand_builtin_interclass_mathfn): Also create
444 a register if the predicate doesn't match.
446 2010-04-13 Diego Novillo <dnovillo@google.com>
448 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
449 * c-pch.c: Include timevar.h.
450 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
451 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
452 * ggc-common.c: Include timevar.h.
453 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
454 * timevar.def (TV_PCH_SAVE): Define.
455 (TV_PCH_CPP_SAVE): Define.
456 (TV_PCH_PTR_REALLOC): Define.
457 (TV_PCH_PTR_SORT): Define.
458 (TV_PCH_RESTORE): Define.
459 (TV_PCH_CPP_RESTORE): Define.
461 2010-04-13 Michael Matz <matz@suse.de>
463 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
465 (can_reassociate_p): New function.
466 (break_up_subtract_bb, reassociate_bb): Use it.
468 2010-04-13 Richard Guenther <rguenther@suse.de>
471 * builtins.c (c_readstr): Fix assert.
473 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
475 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
476 when generating cltd insn.
478 (*ashl<mode>3_1): Remove special handling for register operand 2.
479 (*ashlsi3_1_zext): Ditto.
481 (*ashlhi3_1_lea): Ditto.
483 (*ashlqi3_1_lea): Ditto.
484 (*<shiftrt_insn><mode>3_1): Ditto.
485 (*<shiftrt_insn>si3_1_zext): Ditto.
486 (*<shiftrt_insn>qi3_1_slp): Ditto.
487 (*<rotate_insn><mode>3_1): Ditto.
488 (*<rotate_insn>si3_1_zext): Ditto.
489 (*<rotate_insn>qi3_1_slp): Ditto.
491 2010-04-13 Richard Guenther <rguenther@suse.de>
493 * tree-ssa-structalias.c (callused_id): Remove.
494 (call_stmt_vars): New.
495 (get_call_vi): Likewise.
496 (lookup_call_use_vi): Likewise.
497 (lookup_call_clobber_vi): Likewise.
498 (get_call_use_vi): Likewise.
499 (get_call_clobber_vi): Likewise.
500 (make_transitive_closure_constraints): Likewise.
501 (handle_const_call): Adjust to do per-call call-used handling.
502 (handle_pure_call): Likewise.
503 (find_what_var_points_to): Remove general callused handling.
504 (init_base_vars): Likewise.
505 (init_alias_vars): Initialize call_stmt_vars.
506 (compute_points_to_sets): Process call-used and call-clobbered
507 vars for call statements.
508 (delete_points_to_sets): Free call_stmt_vars.
510 2010-04-13 Richard Guenther <rguenther@suse.de>
512 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
513 Only add RW dependence for dependence distance zero.
514 Adjust maximal vectorization factor according to dependences.
515 Move alignment handling ...
516 (vect_find_same_alignment_drs): ... here. New function.
517 (vect_analyze_data_ref_dependences): Adjust.
518 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
519 (vect_analyze_data_refs): Adjust minimal vectorization factor
520 according to data references.
521 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
522 dependences before determining the vectorization factor.
523 Analyze alignment after determining the vectorization factor.
524 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
525 dependences before alignment.
526 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
528 (vect_analyze_data_refs): Likewise.
529 (MAX_VECTORIZATION_FACTOR): New define.
531 2010-04-13 Duncan Sands <baldrick@free.fr>
533 * except.h (lang_eh_type_covers): Remove.
534 * except.c (lang_eh_type_covers): Likewise.
536 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
537 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
539 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
540 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
541 UNITS_PER_LONG where it is ABI relevant.
542 (s390_return_addr_rtx): Likewise.
543 (s390_back_chain_rtx): Likewise.
544 (s390_frame_area): Likewise.
545 (s390_frame_info): Likewise.
546 (s390_initial_elimination_offset): Likewise.
547 (save_gprs): Likewise.
548 (s390_emit_prologue): Likewise.
549 (s390_emit_epilogue): Likewise.
550 (s390_function_arg_advance): Likewise.
551 (s390_function_arg): Likewise.
552 (s390_va_start): Likewise.
553 (s390_gimplify_va_arg): Likewise.
554 (s390_function_profiler): Likewise.
555 (s390_optimize_prologue): Likewise.
556 (s390_rtx_costs): Likewise.
557 (s390_secondary_reload): Likewise.
558 (s390_promote_function_mode): Likewise.
559 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
560 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
562 (s390_unwind_word_mode): New function.
563 (s390_function_value): Split 64 bit values into register pair if
564 used as return value.
565 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
566 function call parameters. Handle parallels.
567 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
568 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
569 (DWARF_CIE_DATA_ALIGNMENT): New macro.
570 (s390_expand_setmem): Remove unused variable src_addr.
571 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
572 deal with 64 bit registers.
573 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
574 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
575 (UNITS_PER_LONG): New macro.
576 * libjava/include/s390-signal.h: Define extended ucontext
577 structure containing the upper halfs of the 64 bit registers.
579 2010-04-13 Simon Baldwin <simonb@google.com>
581 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
583 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
585 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
586 rvalue on the RHS if the LHS is of a non-renamable type.
587 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
589 2010-04-13 Matthias Klose <doko@ubuntu.com>
591 * gcc.c (cc1_options): Handle -iplugindir before processing
592 the cc1 spec. Only add -iplugindir once.
593 (cpp_unique_options): Add -iplugindir option if -fplugin* options
595 * common.opt (iplugindir): Remove `Separate' property, initialize.
596 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
598 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
599 (distclean): Remove plugin dir.
600 * doc/invoke.texi: Document -iplugindir.
602 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
604 * doc/plugins.texi (Loading Plugins): Document short
606 (Plugin API): Mention default_plugin_dir_name function.
608 * gcc.c (find_file_spec_function): Add new declaration.
609 (static_spec_func): Use it for "find-file".
610 (find_file_spec_function): Add new function.
611 (cc1_options): Add -iplugindir option if -fplugin* options found.
613 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
615 * plugin.c (add_new_plugin): Updated comment, and handle short
617 (default_plugin_dir_name): Added new function.
619 * common.opt (iplugindir): New option to set the plugin directory.
621 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
623 * config/i386/i386.md (any_rotate): New code iterator.
624 (rotate_insn): New code attribute.
626 (SWIM124): New mode iterator.
627 (<rotate_insn>ti3): New expander.
628 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
629 any_rotate code iterator.
630 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
631 using any_rotate code iterator and SWIM124 mode iterator.
632 (ix86_rotlti3): New insn_and_split pattern.
633 (ix86_rotrti3): Ditto.
634 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
635 ix86_rotl{di,ti}3 patterns.
636 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
637 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
638 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
639 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
640 code iterator and SWI mode iterator.
641 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
642 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
644 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
645 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
646 (bswap rotatert splitter): Add splitter.
647 (bswap splitter): Macroize splitter using any_rotate code iterator.
648 Add insn predicate to split only for TARGET_USE_XCHGB or when
649 optimizing function for size.
651 2010-04-12 Steve Ellcey <sje@cup.hp.com>
653 * config/pa/pa.c (emit_move_sequence): Remove use of
654 deleted variable flag_argument_noalias.
656 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
658 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
660 Add to unsupported targets list.
661 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
662 sparc*-sun-solaris2.[567]* from target lists.
663 * configure: Regenerate.
664 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
666 Remove Solaris 7 patch references.
667 (Specific, sparc-sun-solaris2.7): Removed.
668 (sparc-sun-solaris2*): Update Solaris 7 example.
669 (sparc64-*-solaris2*): Likewise.
671 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
673 * config.build (alpha*-dec-osf4*): Remove.
674 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
675 of obsolete configurations.
676 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
678 * config/alpha/t-osf4: Renamed to ...
679 * config/alpha/t-osf5: ... this.
680 * config/alpha/osf.h: Renamed to ...
681 * config/alpha/osf5.h: ... this.
682 Merged old osf5.h contents.
684 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
685 (EXTRA_SPECS): Removed.
686 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
687 reflect removal of Tru64 UNIX V4.0/V5.0 support.
690 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
692 * doc/contrib.texi (Contributors, Rainer Orth): Update.
694 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
697 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
698 __thiscall convention.
700 2010-04-12 Steve Ellcey <sje@cup.hp.com>
702 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
704 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
706 2010-04-12 Steve Ellcey <sje@cup.hp.com>
708 * function.c (assign_parms_initialize_all): Add unused attribute
711 2010-04-12 Richard Guenther <rguenther@suse.de>
713 * gsstruct.def (GSS_CALL): New.
714 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
715 * gimple.h: Include tree-ssa-alias.h.
716 (struct gimple_statement_call): New.
717 (union gimple_statement_struct_d): Add gimple_call member.
718 (gimple_call_reset_alias_info): Declare.
719 (gimple_call_use_set): New function.
720 (gimple_call_clobber_set): Likewise.
721 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
722 * gimple.c (gimple_call_reset_alias_info): New function.
723 (gimple_build_call_1): Call it.
724 * lto-streamer-in.c (input_gimple_stmt): Likewise.
725 * tree-inline.c (remap_gimple_stmt): Likewise.
726 (expand_call_inline): Remove callused handling.
727 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
728 * tree-dfa.c (dump_variable): Likewise.
729 * tree-parloops.c (parallelize_loops): Likewise.
730 * tree-ssa.c (init_tree_ssa): Likewise.
731 (delete_tree_ssa): Likewise.
732 * tree-flow-inline.h (is_call_used): Remove.
733 * tree-flow.h (struct gimple_df): Remove callused member.
734 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
735 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
736 (ref_maybe_used_by_call_p_1): Simplify.
737 (call_may_clobber_ref_p_1): Likewise.
738 * tree-ssa-structalias.c (compute_points_to_sets): Set
739 the call stmt used and clobbered sets.
740 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
741 (find_tail_calls): Verify the tail call.
743 2010-04-12 Richard Guenther <rguenther@suse.de>
745 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
746 single-iteration always-inline inlining.
747 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
748 (cgraph_decide_inlining): Do not handle always-inline specially.
749 (try_inline): Remove always-inline cycle detection special case.
750 Do not recurse on always-inlines.
751 (cgraph_early_inlining): Do not iterate if not optimizing.
752 (cgraph_gate_early_inlining): remove.
753 (pass_early_inline): Run unconditionally.
754 (gate_cgraph_decide_inlining): New function.
755 (pass_ipa_inline): Use it. Do not run the IPA inliner if
756 not inlining or optimizing.
757 (cgraph_decide_inlining_of_small_functions): Also consider
758 always-inline functions.
759 (cgraph_default_inline_p): Return true for nodes which should
760 disregard inline limits.
761 (estimate_function_body_sizes): Assume zero size and time for
762 nodes which are marked as disregarding inline limits.
763 (cgraph_decide_recursive_inlining): Do not perform recursive
764 inlining on always-inline nodes.
766 2010-04-12 Jakub Jelinek <jakub@redhat.com>
769 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
770 for exprs satisfying handled_component_p.
772 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
774 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
775 non-constant aggregate elements.
777 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
778 is a real initialization.
780 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
783 * c-decl.c (start_function): Move forward check for nested function.
785 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
787 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
788 * config/sh/sh.c: Include reload.h.
789 (sh_legitimize_reload_address): New.
790 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
791 sh_legitimize_reload_address.
793 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
795 * config/sh/sh.md (*movqi_pop): New insn pattern.
796 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
798 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
800 * config/i386/i386.md (any_shiftrt): New code iterator.
801 (shiftrt_insn): New code attribute.
803 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
804 using any_shiftrt code iterator.
805 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
806 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
807 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
808 pattern from corresponding peephole2 patterns.
809 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
810 using any_shiftrt code iterator.
811 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
812 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
813 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
814 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
815 *{ashr,lshr}<mode>3_cmp_zext.
816 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
818 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
820 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
822 (*lshr<mode>3_cconly): Ditto.
824 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
826 * config/i386/i386.md (lshr<mode>3): Macroize expander from
827 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
828 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
829 pattern from *lshr{di,ti}3_1 and corresponding splitters using
831 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
832 from corresponding peephole2 patterns.
833 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
834 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
835 and *lshrdi3_1_rex64 using SWI mode iterator.
836 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
837 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
838 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
839 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
840 and *lshrdi3_cmp_rex64 using SWI mode iterator.
841 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
842 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
843 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
844 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
847 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
849 * config/i386/i386.md (ashr<mode>3): Macroize expander from
850 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
851 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
852 pattern from *ashr{di,ti}3_1 and corresponding splitters using
854 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
855 from corresponding peephole2 patterns.
856 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
857 (ashrsi3_cvt): Rename from ashrsi3_31.
858 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
859 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
860 and x86_64_shift_adj_3 using SWI48 mode iterator.
861 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
862 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
863 and *ashrdi3_1_rex64 using SWI mode iterator.
864 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
865 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
866 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
867 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
868 and *ashrdi3_cmp_rex64 using SWI mode iterator.
869 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
870 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
871 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
872 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
874 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
875 * config/i386/i386.c (ix86_split_ashr): Update for renamed
876 x86_shift<mode>_adj_3 expanders.
878 2010-04-10 Wei Guozhi <carrot@google.com>
881 * config/arm/arm.c (arm_pic_static_addr): New function.
882 (legitimize_pic_address): Call arm_pic_static_addr when it detects
884 (arm_output_addr_const_extra): Output expression for new pattern.
885 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
887 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
889 * ira-costs.c (record_reg_classes): Ignore alternatives that are
892 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
893 * web.c: Include "insn-config.h" and "recog.h".
894 (union_match_dups): New function.
896 (union_defs): Don't try to recognize match_dups.
898 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
899 if doing so would replace the entire pattern.
901 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
905 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
906 and splitter pattern. Change splitter operand 1 predicate to
909 2010-04-09 Martin Jambor <mjambor@suse.cz>
911 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
912 lattices are addresses of CONST_DECLs with the same initial value.
913 (ipcp_print_all_lattices): Print values of CONST_DECLs.
914 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
916 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
917 Bernd Schmidt <bernds@codesourcery.com>
919 * loop-invariant.c (replace_uses): New static function.
920 (move_invariant_reg): Use it to ensure we can replace the uses.
922 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
924 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
926 (picochip_override_options): Enable section anchors only above -O1.
927 (picochip_reorg): Fixed a couple of build warnings.
929 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
931 * configure.ac (plugin -rdynamic test): Log result.
932 * configure: Regenerate.
933 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
934 (RDYNAMIC_SPEC): Define.
935 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
937 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
939 * configure.ac: Determine Sun ld version numbers.
940 (comdat_group): Restrict GNU ld version checks to gld.
941 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
942 (enable_comdat): Support --enable-comdat.
943 * configure: Regenerate.
944 * doc/install.texi (Configuration): Document --enable-comdat.
946 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
948 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
949 * config/sol2-gld.h: ... here.
950 * config.gcc (sparc*-*-solaris2*): Reflect this.
951 (i[34567]86-*-solaris2*): Use it.
953 2010-04-09 Steve Ellcey <sje@cup.hp.com>
955 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
957 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
959 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
962 * diagnostic.c (diagnostic_initialize): Initialize
963 some_warnings_are_errors.
964 (diagnostic_finish): New.
965 (diagnostic_action_after_output): Call it before exiting.
966 (diagnostic_report_diagnostic): Do not print message here. Set
967 some_warnings_are_errors.
968 * diagnostic.h (diagnostic_context): Delete
969 issue_warnings_are_errors_message. Add some_warnings_are_errors.
970 (diagnostic_finish): Declare.
971 * toplev.c (toplev_main): Call it before exit.
973 2010-04-09 Jason Merrill <jason@redhat.com>
976 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
980 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
981 based on a warning flag.
983 2010-04-09 Richard Guenther <rguenther@suse.de>
985 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
987 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
990 * varasm.c (default_assemble_visibility): Wrap vars that are
991 set, but unused, by targets without GAS.
992 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
993 Remove set, but unused, vars.
994 (rs6000_legitimize_tls_address): Likewise.
995 (altivec_expand_dst_builtin): Likewise.
996 * config/darwin.c (machopic_classify_symbol): Likewise.
997 (machopic_indirection_name): Likewise.
999 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1001 * config/i386/i386.md (DWI): New mode iterator.
1002 (S): New mode attribute.
1003 (shift_operand): Ditto.
1004 (shift_immediate_operand): Ditto.
1005 (ashl_input_operand): Ditto.
1006 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1007 using SDWIM mode iterator.
1008 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
1009 pattern from *ashl{di,ti}3_1 and corresponding splitters using
1011 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1012 from corresponding peephole2 patterns.
1013 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1014 and x86_64_shift_adj_1 using SWI48 mode iterator.
1015 (x86_shift<mode>_adj_2): Ditto.
1016 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1017 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1018 using SWI48 mode iterator.
1019 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1020 *ashldi3_cmp_rex64 using SWI mode iterator.
1021 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1022 *ashldi3_cconly_rex64 using SWI mode iterator.
1023 * config/i386/i386.c (ix86_split_ashl): Update for renamed
1024 x86_shift<mode>_adj_{1,2}.
1025 (ix86_split_ashr): Ditto.
1026 (ix86_split_lshr): Ditto.
1028 2010-04-09 Richard Guenther <rguenther@suse.de>
1030 * target.h (builtin_conversion): Pass in input and output types.
1031 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1032 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1033 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1034 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1036 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1038 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1040 2010-04-09 Richard Guenther <rguenther@suse.de>
1043 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1045 2010-04-09 Richard Guenther <rguenther@suse.de>
1047 * tree-vectorizer.h (struct _stmt_vec_info): Document
1048 that vectype is the type of the LHS.
1049 (supportable_widening_operation, supportable_narrowing_operation):
1050 Get both input and output vector types as arguments.
1051 (vect_is_simple_use_1): Declare.
1052 (get_same_sized_vectype): Likewise.
1053 * tree-vect-loop.c (vect_determine_vectorization_factor):
1054 Set STMT_VINFO_VECTYPE to the vector type of the def.
1055 (vectorizable_reduction): Adjust.
1056 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1057 Adjust. Specify the output vector type.
1058 (vect_pattern_recog_1): Adjust.
1059 * tree-vect-stmts.c (get_same_sized_vectype): New function.
1060 (vectorizable_call): Adjust.
1061 (vectorizable_conversion): Likewise.
1062 (vectorizable_operation): Likewise.
1063 (vectorizable_type_demotion): Likewise.
1064 (vectorizable_type_promotion): Likewise.
1065 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1067 (vect_is_simple_use_1): New function.
1068 (supportable_widening_operation): Get both input and output
1070 (supportable_narrowing_operation): Likewise.
1071 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
1073 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
1075 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
1076 __thiscall and _thiscall as predefined macros.
1077 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
1078 thiscall attribute handling.
1079 (ix86_comp_type_attributes): Likewise.
1080 (ix86_function_regparm): Likewise.
1081 (ix86_return_pops_args): Likewise.
1082 (init_cumulative_args): Likewise.
1083 (find_drap_reg): Likewise.
1084 (ix86_static_chain): Likewise.
1085 (x86_this_parameter): Likewise.
1086 (x86_output_mi_thunk): Likewise.
1087 (ix86_attribute_table): Add description for thiscall attribute.
1088 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
1089 * doc/extend.texi: Add documentation for thiscall.
1091 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1094 * c.opt (Wint-to-pointer-cast): Available in C++.
1095 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
1097 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
1099 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
1100 * calls.c (expand_call): Pass the function type to aggregate_value_p.
1101 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
1102 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
1103 function type instead. Reorder and simplify checks.
1105 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
1107 2010-04-08 Jing Yu <jingyu@google.com>
1108 Zdenek Dvorak <ook@ucw.cz>
1110 PR tree-optimization/42720
1111 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
1112 loop unswitch conditions here from ...
1113 (tree_unswitch_single_loop): ... here.
1115 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
1117 * tree-if-conv.c: Fix comments and simplify logic.
1119 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
1121 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
1122 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
1123 (main_tree_if_conversion): Update call to tree_if_conversion.
1125 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
1128 * doc/invoke.texi (-b,-V): Delete.
1129 * doc/tm.texi: Do not mention -b.
1130 * gcc.c (display_help): Delete -b and -V.
1131 (process_command): Delete -b and -V.
1132 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
1134 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
1135 Wolfgang Gellerich <gellerich@de.ibm.com>
1137 Implement target hook for loop unrolling
1138 * target.h (loop_unroll_adjust): Add a new target hook function.
1139 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
1140 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
1141 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
1142 (s390_loop_unroll_adjust): Implement the new target hook for s390.
1143 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
1145 (decide_unroll_stupid): Likewise.
1147 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1150 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
1152 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1154 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
1155 (Specific, *-*-solaris2*): Likewise.
1156 Don't prefer Sun as over GNU as.
1158 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
1160 * config/s390/s390.c (override_options): Adjust the z10
1161 defaults for max-unroll-times, max-completely-peeled-insns
1162 and max-completely-peel-times.
1164 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1166 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
1167 instructions for z10.
1168 (s390_expand_setmem): Likewise.
1169 (s390_expand_cmpmem): Likewise.
1171 2010-04-08 Richard Guenther <rguenther@suse.de>
1173 PR tree-optimization/43679
1174 * tree-ssa-pre.c (eliminate): Only propagate copies.
1176 2010-04-08 Jakub Jelinek <jakub@redhat.com>
1179 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
1180 set but not used variable warning.
1182 2010-04-08 Wei Guozhi <carrot@google.com>
1185 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
1186 (arm_size_rtx_costs): Call the new function when optimized for size.
1188 2010-04-08 Jakub Jelinek <jakub@redhat.com>
1191 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
1192 op0 is not a MEM, just return NULL instead of assertion
1194 (discover_nonconstant_array_refs): Don't walk debug stmts.
1196 2010-04-08 Doug Kwan <dougkwan@google.com>
1198 * configure.ac: Recognize gold and do not use its version number
1199 to test ld features.
1200 * configure: Regenerate.
1202 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
1205 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
1206 (negate_value): Move code to push elements to broken_up_substracts ...
1207 (eliminate_plus_minus_pair): ... here. Push operands that have no
1208 negative pair to plus_negates.
1209 (repropagate_negates, init_reassoc, fini_reassoc): Update.
1211 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1213 * doc/install.texi (Configuration): Move description of
1214 --enable-lto, --with-libelf*, --enable-gold from Java section to
1217 * doc/generic.texi (Working with declarations)
1218 (Function Properties, C and C++ Trees): Fix typos.
1219 * doc/sourcebuild.texi (Top Level): Likewise.
1221 2010-04-07 Jakub Jelinek <jakub@redhat.com>
1224 * tree.h (DECL_READ_P): Define.
1225 (struct tree_decl_common): Add decl_read_flag.
1226 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
1227 a set but not used warning.
1228 (merge_decls): Merge DECL_READ_P flag.
1229 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
1230 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
1231 * c-common.c (handle_used_attribute, handle_unused_attribute):
1233 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
1235 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
1237 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
1238 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
1239 c_parser_binary_expression, c_parser_cast_expression,
1240 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
1241 Call default_function_array_read_conversion instead of
1242 default_function_array_conversion where needed.
1243 (c_parser_unary_expression, c_parser_conditional_expression,
1244 c_parser_postfix_expression_after_primary, c_parser_initelt):
1245 Likewise. Call mark_exp_read where needed.
1246 (c_parser_statement_after_labels, c_parser_asm_operands,
1247 c_parser_typeof_specifier, c_parser_sizeof_expression,
1248 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
1250 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
1252 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
1253 (warn_unused_but_set_parameter): Default to warn_unused
1255 * doc/invoke.texi: Document -Wunused-but-set-variable and
1256 -Wunused-but-set-parameter.
1258 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
1259 used count variable.
1260 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
1261 when operandN variables aren't used in the body of the expander
1263 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
1264 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
1265 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
1266 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
1267 FOR_EACH_IMM_USE_ON_STMT): Likewise.
1268 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
1269 * tree.c (PROCESS_ARG): Likewise.
1271 2010-04-07 Simon Baldwin <simonb@google.com>
1273 * diagnostic.h (diagnostic_override_option_index): New macro to
1274 set a diagnostic's option_index.
1275 * c-tree.h (c_cpp_error): Add warning reason argument.
1276 * opts.c (_warning_as_error_callback): New.
1277 (register_warning_as_error_callback): Store callback for
1278 warnings enabled via enable_warning_as_error.
1279 (enable_warning_as_error): Call callback, minor code tidy.
1280 * opts.h (register_warning_as_error_callback): Declare.
1281 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
1282 response to -Werror=.
1283 (c_common_init_options): Register warning_as_error_callback in opts.c.
1284 * common.opt: Add -Wno-cpp option.
1285 * c-common.c (struct reason_option_codes_t): Map cpp warning
1286 reason codes to gcc option indexes.
1287 * (c_option_controlling_cpp_error): New function, lookup the gcc
1288 option index for a cpp warning reason code.
1289 * (c_cpp_error): Add warning reason argument, call
1290 c_option_controlling_cpp_error for diagnostic_override_option_index.
1291 * doc/invoke.texi: Document -Wno-cpp.
1293 2010-04-07 Richard Guenther <rguenther@suse.de>
1295 * ipa-reference.c (mark_load): Use get_base_address.
1296 (mark_store): Likewise.
1298 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
1299 inserting GIMPLE_NOPs into the IL.
1300 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1301 Explicitly strip handled components and indirect references.
1303 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
1304 folding address expressions.
1305 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
1306 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
1307 operand_equal_p to compare decls.
1308 (ptr_deref_may_alias_decl_p): Likewise.
1309 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
1310 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
1311 Handle reversed comparison ops.
1312 * tree-sra.c (asm_visit_addr): Use get_base_address.
1313 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
1314 * ipa-reference.c (mark_address): Use get_base_address.
1316 2010-04-07 Richard Guenther <rguenther@suse.de>
1318 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
1319 Propagate constants everywhere.
1321 2010-04-07 Jakub Jelinek <jakub@redhat.com>
1324 * tree.c (MAX_INT_CACHED_PREC): Define.
1325 (nonstandard_integer_type_cache): New array.
1326 (build_nonstandard_integer_type): Cache results for precision
1327 <= MAX_INT_CACHED_PREC.
1329 2010-04-07 Richard Guenther <rguenther@suse.de>
1331 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
1332 -fargument-noalias-global, -fargument-noalias-anything): Remove.
1333 * common.opt: Likewise.
1334 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
1335 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
1336 (nonoverlapping_memrefs_p): Likewise.
1337 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1338 * opts.c (common_handle_option): Handle OPT_fargument_alias,
1339 OPT_fargument_noalias, OPT_fargument_noalias_anything and
1340 OPT_fargument_noalias_global for backward compatibility.
1342 2010-04-07 Richard Guenther <rguenther@suse.de>
1344 PR tree-optimization/43270
1345 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
1346 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
1347 * tree-ssa-pre.c (phi_translate_1): Adjust.
1348 (fully_constant_expression): Split out vn_reference handling to ...
1349 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
1350 Fold reads from constant strings.
1351 (vn_reference_lookup): Handle fully constant references.
1352 (vn_reference_lookup_pieces): Likewise.
1353 * Makefile.in (expmed.o-warn): Add -Wno-error.
1355 2010-04-07 Martin Jambor <mjambor@suse.cz>
1357 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
1359 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
1362 * gcc.c: Add -static-libstdc++ to list of recognized options.
1364 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1366 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
1368 2010-04-07 Richard Guenther <rguenther@suse.de>
1371 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
1372 bases build simple mem attributes to retain points-to information.
1374 2010-04-07 Richard Guenther <rguenther@suse.de>
1377 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
1378 preserve points-to related information.
1380 2010-04-07 Richard Guenther <rguenther@suse.de>
1383 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
1384 discard plain indirect references.
1385 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
1386 * tree.c (tree_nop_conversion): Likewise.
1388 2010-04-07 Dodji Seketeli <dodji@redhat.com>
1391 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
1393 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
1395 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
1396 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
1398 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1400 * tree-if-conv.c: Fix indentation and comments.
1402 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1404 * tree-if-conv.c: Sort static functions in topological order.
1406 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1408 * tree-if-conv.c: Fix indentation and comments.
1410 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1413 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1414 lang_hooks.types.type_for_size instead of
1415 build_nonstandard_integer_type.
1416 When converting an unsigned type to signed, double its precision.
1417 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
1418 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
1419 (graphite_create_new_loop_guard): When ub + 1 wraps around,
1422 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1425 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1426 POINTER_PLUS_EXPR for pointer types.
1428 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1431 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
1432 * graphite-clast-to-gimple.c: Include langhooks.h.
1433 (max_signed_precision_type): New.
1434 (max_precision_type): Takes two types as arguments.
1435 (precision_for_value): New.
1436 (precision_for_interval): New.
1437 (gcc_type_for_interval): New.
1438 (gcc_type_for_value): New.
1439 (gcc_type_for_clast_term): New.
1440 (gcc_type_for_clast_red): New.
1441 (gcc_type_for_clast_bin): New.
1442 (gcc_type_for_clast_expr): Split up into several functions.
1443 (gcc_type_for_clast_eq): Rewritten.
1444 (compute_bounds_for_level): New.
1445 (compute_type_for_level_1): New.
1446 (compute_type_for_level): New.
1447 (gcc_type_for_cloog_iv): Removed.
1448 (gcc_type_for_iv_of_clast_loop): Rewritten.
1449 (graphite_create_new_loop): Compute the lower and upper bound types
1450 with gcc_type_for_clast_expr.
1451 (graphite_create_new_loop_guard): Same.
1452 (find_cloog_iv_in_expr): Removed.
1453 (compute_cloog_iv_types_1): Removed.
1454 (compute_cloog_iv_types): Removed.
1455 (gloog): Do not call compute_cloog_iv_types.
1456 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
1458 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
1459 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
1460 (GBB_CLOOG_IV_TYPES): Removed.
1462 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1464 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
1465 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
1466 (detect_commutative_reduction): Same.
1468 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1470 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
1471 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
1473 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
1474 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
1475 (rewrite_commutative_reductions_out_of_ssa): Same.
1476 * passes.c (execute_function_todo): Call verify_ssa for every pass
1477 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
1478 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
1479 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
1480 with an extra argument.
1481 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
1482 verify_ssa only when the extra argument is true.
1483 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
1484 with an extra argument.
1485 (tree_transform_and_unroll_loop): Same.
1487 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1489 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
1490 for all the passes of the LNO having LOOP_CLOSED_SSA.
1491 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
1492 * tree-loop-distribution.c (pass_loop_distribution): Same.
1493 * tree-pass.h (TODO_verify_loops): Removed.
1494 * tree-ssa-loop.c (pass_tree_loop_init): Same.
1496 (pass_tree_unswitch): Same.
1497 (pass_predcom): Same.
1498 (pass_vectorize): Same.
1499 (pass_linear_transform): Same.
1500 (pass_graphite_transforms): Same.
1501 (pass_iv_canon): Same.
1502 (pass_complete_unroll): Same.
1503 (pass_complete_unrolli): Same.
1504 (pass_parallelize_loops): Same.
1505 (pass_loop_prefetch): Same.
1506 (pass_iv_optimize): Same.
1508 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
1511 * passes.c (init_optimization_passes): Move pass_lim before
1512 pass_copy_prop and pass_dce_loop.
1514 2010-04-06 Jakub Jelinek <jakub@redhat.com>
1517 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
1518 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
1519 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
1520 MULTI_* defines for 4 argument vpermil2p* builtins.
1522 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
1524 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
1525 * config/i386/i386.c (x86_maybe_negate_const_int): New.
1526 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
1527 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
1528 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
1529 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
1530 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
1531 Use x86_maybe_negate_const_int to output insn mnemonic.
1532 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
1533 check from instruction predicate. Update comments.
1534 * config/i386/sync.md (sync_add<mode>): Use
1535 x86_maybe_negate_const_int to output insn mnemonic.
1537 2010-04-06 Jan Hubicka <jh@suse.cz>
1539 PR tree-optimization/42906
1540 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
1541 IGNORE_SELF argument. Set visited_control_parents for fully
1543 (find_obviously_necessary_stmts): Update call of
1544 mark_control_dependent_edges_necessary.
1545 (propagate_necessity): Likewise. Handle PHI edges more curefully.
1547 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
1549 * config/i386/i386.md: Remove comment about 'e' and 'E'
1552 2010-04-06 Richard Guenther <rguenther@suse.de>
1554 PR tree-optimization/43627
1555 * tree-vrp.c (extract_range_from_unary_expr): Widenings
1556 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
1559 2010-04-06 Jakub Jelinek <jakub@redhat.com>
1561 * BASE-VER: Change to 4.6.0.
1564 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
1567 2010-04-06 Richard Guenther <rguenther@suse.de>
1570 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
1572 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1574 * doc/invoke.texi (Optimize Options): Document that LTO
1575 won't remove object access purely due to incompatible
1578 2010-04-04 Matthias Klose <doko@ubuntu.com>
1580 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
1581 Initialize variable.
1583 2010-04-03 Richard Guenther <rguenther@suse.de>
1586 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
1587 require a non-NULL MEM_OFFSET.
1589 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
1591 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
1592 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
1593 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
1594 config/alpha/predicates.md, config/arm/arm.md,
1595 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
1596 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
1597 config/darwin9.h, config/darwin.c, config/darwin.h,
1598 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
1599 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
1600 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
1601 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
1602 config/mips/mips.md, config/mn10300/mn10300.c,
1603 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
1604 config/rs6000/aix.h, config/rs6000/dfp.md,
1605 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
1606 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
1607 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
1608 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
1609 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
1610 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
1611 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
1612 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
1613 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
1614 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
1615 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
1616 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
1617 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
1618 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
1619 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
1620 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
1621 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
1622 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
1623 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
1624 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
1625 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
1626 opt-functions.awk, opth-gen.awk, params.def, passes.c,
1627 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
1628 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
1629 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
1630 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
1631 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
1632 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
1633 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
1634 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
1635 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
1636 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
1637 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
1638 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
1639 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
1640 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
1642 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1645 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
1646 * aclocal.m4: Regenerate.
1648 2010-04-02 Richard Guenther <rguenther@suse.de>
1650 PR tree-optimization/43629
1651 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
1652 if we have seen a constant value.
1654 2010-04-02 Joseph Myers <joseph@codesourcery.com>
1656 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
1658 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
1661 * arm.c (legitimize_tls_address): Adjust call to
1662 gen_tls_load_dot_plus_four.
1663 (arm_note_pic_base): New function.
1664 (arm_cannot_copy_insn_p): Use it.
1665 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
1668 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1673 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1675 * Makefile.in ($(out_object_file)): Depend on
1676 gt-$(basename $(notdir $(out_file))).h.
1678 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
1680 * config.gcc (lm32-*-rtems*): Add t-lm32.
1682 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
1684 * config.gcc: Add lm32-*-rtems*.
1685 * config/lm32/rtems.h: New file.
1687 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
1690 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
1692 2010-04-01 Jakub Jelinek <jakub@redhat.com>
1694 * dwarf2out.c (output_compilation_unit_header): For
1695 -gdwarf-4 use version 4 instead of version 3.
1696 (output_line_info): For version 4 and above emit additional
1697 maximum ops per insn header field.
1698 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
1700 * dwarf2out.c (is_c_family, is_java): Remove.
1701 (lower_bound_default): New function.
1702 (add_bound_info, gen_descr_array_type_die): Use it.
1704 2010-04-01 Dodji Seketeli <dodji@redhat.com>
1707 * dwarf2out.c (gen_variable_die): Allow debug info for variable
1708 re-declaration when it happens in a function.
1710 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
1712 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
1713 (cgraph_remove_function_insertion_hook): Same.
1714 (cgraph_call_function_insertion_hooks): Same.
1716 2010-04-01 Richard Guenther <rguenther@suse.de>
1719 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
1720 and TREE_THIS_VOLATILE.
1721 (copy_ref_info): Likewise.
1722 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
1723 * tree.c (build6_stat): Ignore side-effects of all but arg5
1724 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
1727 2010-04-01 Richard Guenther <rguenther@suse.de>
1729 PR tree-optimization/43607
1730 * ipa-type-escape.c (check_call): Do not access non-existing
1733 2010-04-01 Richard Guenther <rguenther@suse.de>
1737 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
1738 Jack Howarth <howarth@bromo.med.uc.edu>
1740 * tree-profile.c (tree_init_ic_make_global_vars): Make static
1743 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1745 * doc/install.texi (Prerequisites): Document libelf usability on
1746 IRIX 5/6 and Solaris 2.
1747 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
1748 Update GNU as, GNU ld requirements.
1749 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
1750 Document Sun Studio compiler download.
1751 Update and simplify as, ld recommendations.
1752 (Specific, *-*-solaris2.7): Note obsoletion, removal.
1754 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1756 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
1757 with_tune_32 to pentium4.
1759 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
1761 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
1763 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1765 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
1766 obsoletion, removal.
1768 Document GNU as requirement.
1769 Update configure requirements.
1770 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
1771 Recomment IRIX 6.5.18+.
1772 Document IDF/IDL requirement.
1773 Document GNU as requirement.
1774 Document GNU ld bootstrap failure.
1775 Remove freeware.sgi.com reference.
1777 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1779 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
1780 UNIX V4.0, V5.0 obsoletion, removal.
1781 Remove --with-gc=simple reference.
1782 Update VM requirements during bootstrap.
1783 Remove -oldas bootstrap description.
1784 Update binutils reference.
1785 Remove comparison failure note.
1787 2010-03-31 Richard Guenther <rguenther@suse.de>
1788 Zdenek Dvorak <ook@ucw.cz>
1789 Sebastian Pop <sebastian.pop@amd.com>
1792 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
1793 with multiple arguments.
1794 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
1796 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
1798 * graphite-dependences.c (print_pddr): Call print_pdr with an
1800 * graphite-poly.c (debug_pdr): Add an extra argument for the
1803 (print_pbb_domain): Same.
1805 (print_scop_context): Same.
1807 (print_cloog): Same.
1808 (debug_pbb_domain): Same.
1812 (debug_scop_context): Same.
1814 (debug_cloog): Same.
1815 (print_scop_params): Same.
1816 (debug_scop_params): Same.
1817 (print_iteration_domain): Same.
1818 (print_iteration_domains): Same.
1819 (debug_iteration_domain): Same.
1820 (debug_iteration_domains): Same.
1821 (print_scattering_function): Same.
1822 (print_scattering_functions): Same.
1823 (debug_scattering_function): Same.
1824 (debug_scattering_functions): Same.
1825 * graphite-poly.h (debug_pdr): Update declaration.
1827 (print_pbb_domain): Same.
1829 (print_scop_context): Same.
1831 (print_cloog): Same.
1832 (debug_pbb_domain): Same.
1836 (debug_scop_context): Same.
1838 (debug_cloog): Same.
1839 (print_scop_params): Same.
1840 (debug_scop_params): Same.
1841 (print_iteration_domain): Same.
1842 (print_iteration_domains): Same.
1843 (debug_iteration_domain): Same.
1844 (debug_iteration_domains): Same.
1845 (print_scattering_function): Same.
1846 (print_scattering_functions): Same.
1847 (debug_scattering_function): Same.
1848 (debug_scattering_functions): Same.
1850 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
1852 * graphite-poly.c (print_scattering_function_1): New.
1853 (print_scattering_function): Call it.
1854 (print_scop_params): Remove spaces at the end of lines.
1857 * graphite-poly.h (print_cloog): Declared.
1858 (debug_cloog): Declared.
1860 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
1862 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
1864 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
1865 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
1866 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
1867 to switch between adding the IV bump in loop->latch or in loop->header.
1869 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
1871 * graphite-poly.c (print_scattering_function): Pretty print following
1874 (print_pbb_domain): Same.
1875 (dump_gbb_cases): Same.
1876 (dump_gbb_conditions): Same.
1879 (print_scop_params): Same.
1880 (print_scop_context): Same.
1882 (print_pbb_body): New.
1883 (lst_indent_to): New.
1884 (print_lst): Start new lines with a #.
1885 * graphite-poly.h (pbb_bb): New.
1886 (pbb_index): Use pbb_bb.
1887 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
1889 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
1891 2010-03-31 Jakub Jelinek <jakub@redhat.com>
1893 * dwarf2out.c (size_of_die): For -gdwarf-4 use
1894 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
1895 and 0 instead of 1 for dw_val_class_flag.
1896 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
1897 dw_val_class_range_list, dw_val_class_loc_list,
1898 dw_val_class_lineptr and dw_val_class_macptr, use
1899 DW_FORM_flag_present for dw_val_class_flag and
1900 DW_FORM_exprloc for dw_val_class_loc.
1901 (output_die): For -gdwarf-4 print dw_val_class_loc
1902 size as uleb128 instead of 1 or 2 bytes and don't print
1903 anything for dw_val_class_flag.
1905 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
1906 instead of cselib_lookup following by tweaking locs->setting_insn.
1909 * cselib.c (cselib_process_insn): Clear cselib_current_insn
1910 even before returning from label, setjmp call or volatile asm
1913 2010-03-31 Richard Guenther <rguenther@suse.de>
1916 * cgraphunit.c (cgraph_output_in_order): Do not allocate
1917 temporary data on stack.
1919 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1921 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
1922 (PUSHSECTION_ASM_OP): Remove.
1923 (POPSECTION_ASM_OP): Remove.
1924 (PUSHSECTION_FORMAT): Remove.
1925 * config/sol2.h (PUSHSECTION_FORMAT): Define.
1926 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
1927 * config/sol2.c (solaris_output_init_fini): Use it.
1929 2010-03-31 Jie Zhang <jie@codesourcery.com>
1932 * opt-functions.awk (var_type_struct): Use signed char type
1933 for simple variables.
1935 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1937 * config/sol2.c: Include output.h.
1938 (solaris_assemble_visibility): New function.
1939 * config/t-sol2 (sol2.o): Add output.h dependency.
1940 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
1941 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
1944 2010-03-31 Jakub Jelinek <jakub@redhat.com>
1947 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
1948 V2SImode or XFmode on PRE_DEC.
1951 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
1954 2010-03-31 Jie Zhang <jie@codesourcery.com>
1957 * reload.h (caller_save_initialized_p): Declare.
1958 * toplev.c (backend_init_target): Don't call
1959 init_caller_save but set caller_save_initialized_p to false.
1960 * caller-save.c (caller_save_initialized_p): Define.
1961 (init_caller_save): Check caller_save_initialized_p.
1962 * ira.c (ira): Call init_caller_save if flag_caller_saves.
1964 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1967 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
1968 and soft-fp/t-softfp to tmake_file.
1969 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
1970 (LIBGCC2_TF_CEXT): Define.
1973 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
1976 * cselib.c (n_useless_values): Document handling of debug locs.
1977 (n_useless_debug_values, n_debug_values): New variables.
1978 (new_elt_loc_list): Don't add to debug values, keep count.
1979 (promote_debug_loc): New.
1980 (cselib_reset_table): Zero new variables.
1981 (entry_and_rtx_equal_p): Promote debug locs.
1982 (discard_useless_locs): Increment n_useless_debug_values for
1984 (remove_useless_values): Adjust n_useless_values and n_debug_values
1985 with n_useless_debug_values.
1986 (add_mem_for_addr): Promote debug locs.
1987 (cselib_lookup_mem): Likewise.
1988 (cselib_lookup_addr): Renamed to...
1989 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
1990 (cselib_log_lookup): ... this. Turn into...
1991 (cselib_lookup_addr): ... new wrapper.
1992 (cselib_lookup_from_insn): New.
1993 (cselib_invalidate_regno): Increment n_useless_debug_values for
1995 (cselib_invalidate_mem): Likewise.
1996 (cselib_process_insn): Take n_deleted and n_debug_values into
1997 account to guard remove_useless_value call.
1998 (cselib_finish): Zero n_useless_debug_values.
1999 * cselib.h (cselib_lookup_from_insn): Declare.
2000 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2001 (sched_analyze_2): Likewise.
2003 2010-03-30 Jakub Jelinek <jakub@redhat.com>
2005 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2007 (adjust_mems): Replace narrowing SUBREG of expression containing
2008 just PLUS, MINUS, MULT and ASHIFT of registers and constants
2009 with operations in the narrower mode.
2012 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2013 regs_invalidated_by_call instead all call_used_reg_set registers.
2015 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
2018 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2019 pointer comparisons with types_compatible_p.
2020 * tree-vect-stmts.c (vectorizable_call): Same.
2021 (vectorizable_condition): Same.
2023 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2025 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2026 stack check if the mask would be zero.
2028 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2029 Jack Howarth <howarth@bromo.med.uc.edu>
2031 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2034 2010-03-30 Joseph Myers <joseph@codesourcery.com>
2037 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
2039 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2040 Include ___unordxf2 and ___unordtf2.
2041 * config/i386/libgcc-glibc.ver: Do not define inheritance from
2044 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
2046 * config/lm32/t-lm32: New file.
2047 * config.gcc: Use the above file when targetting lm32.
2049 2010-03-28 Duncan Sands <baldrick@free.fr>
2051 * Makefile.in (PLUGIN_HEADERS): Add except.h.
2053 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
2056 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2057 Improve vectorization cost model diagnostic.
2059 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
2062 * tree-vect-data-refs.c (vect_analyze_data_refs): When
2063 compute_data_dependences_for_loop returns false, early exit
2064 and output an extra diagnostic for the failed data reference
2067 2010-03-29 Richard Guenther <rguenther@suse.de>
2069 PR tree-optimization/43560
2070 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
2071 (can_sm_ref_p): Treat stores to readonly locations as trapping.
2073 2010-03-29 Jie Zhang <jie@codesourcery.com>
2076 * toplev.c (process_options): Set optimization_default_node
2077 and optimization_current_node.
2078 * opts.c (decode_options): Don't set optimization_default_node
2079 and optimization_current_node.
2081 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
2083 * config/rtems.h: Abandon -qrtems_debug.
2085 2010-03-28 Jan Hubicka <jh@suse.cz>
2087 PR tree-optimization/43505
2088 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
2089 map should not be copied.
2091 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2094 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
2095 cdtors, set DECL_PRESERVE_P.
2096 * ipa.c (cgraph_externally_visible_p): Return true if declaration
2099 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
2101 PR tree-optimization/43528
2102 * stor-layout.c (place_field): Check that constant fits into
2103 unsigned HWI when skipping calculation of MS bitfield layout.
2105 2010-03-27 Jan Hubicka <jh@suse.cz>
2108 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
2109 notice_global_symbol work.
2111 2010-03-27 Jakub Jelinek <jakub@redhat.com>
2113 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
2114 instead of dwarf2out_decl.
2115 (struct var_loc_node): Remove section_label field.
2116 (dwarf2out_function_decl): New function.
2117 (dwarf2out_var_location): Don't set section_label field.
2118 (dwarf2out_begin_function): Don't empty decl_loc_table here.
2120 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
2122 PR tree-optimization/43544
2123 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2124 First argument for builtin vectorized function hook is now a
2125 tree to be able to distinguish between machine specific and
2127 * targhooks.c (default_builtin_vectorized_function): Ditto.
2128 * targhooks.h (default_builtin_vectorized_function): Ditto.
2129 * target.h (struct gcc_target): Ditto.
2130 * tree-vect-stmts.c (vectorizable_function): Ditto.
2131 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
2132 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2135 2010-03-26 Joseph Myers <joseph@codesourcery.com>
2138 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
2139 nested binding iff it is a FUNCTION_DECL.
2140 (store_parm_decls_newstyle): Pass nested=true to bind for
2141 FUNCTION_DECLs amongst parameters.
2143 2010-03-26 Jakub Jelinek <jakub@redhat.com>
2145 * var-tracking.c (vt_expand_loc_callback): Don't run
2146 cselib_expand_value_rtx_cb in dummy mode if
2147 cselib_dummy_expand_value_rtx_cb returned false.
2149 * var-tracking.c (emit_note_insn_var_location): For one part
2150 notes with offset 0, don't add EXPR_LIST around the location.
2151 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
2152 add_location_or_const_value_attribute): Adjust for that change.
2155 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
2156 into first operand and location into second.
2157 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
2158 dw_cfi_oprnd_loc for DW_CFA_expression.
2159 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
2160 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
2161 assume first argument is regnum and second argument is location.
2163 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
2166 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
2167 of scratch register to DImode. Split to DImode comparison operator.
2168 Use SImode subreg of scratch register in the multiplication.
2169 (*cmp_sadd_sidi): Ditto.
2170 (*cmp_ssub_si): Ditto.
2171 (*cmp_ssub_sidi): Ditto.
2173 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
2176 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
2177 Remove invalid assert and wrong comment.
2179 2010-03-26 Jakub Jelinek <jakub@redhat.com>
2182 * flags.h (final_insns_dump_p): New extern.
2183 * final.c (final_insns_dump_p): New variable.
2184 (rest_of_clean_state): Set it before -fdump-final-insns=
2185 dumping, clear afterwards.
2186 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
2187 MEM_ALIAS_SET on MEMs.
2189 2010-03-26 David S. Miller <davem@davemloft.net>
2191 * configure.ac: Fix sparc GOTDATA_OP bug check.
2192 * configure: Rebuild.
2194 2010-03-26 Alan Modra <amodra@gmail.com>
2196 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
2198 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2200 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
2201 TLS_SECTION_ASM_FLAG.
2203 2010-03-25 Jakub Jelinek <jakub@redhat.com>
2206 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
2207 Clear first_function_block_is_cold.
2210 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
2211 argument if the argument is truth_value_p.
2213 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
2215 * config/rs6000/constraints.md: Update copyright year for my changes.
2218 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
2219 used in reg+reg addressing, swap registers.
2221 2010-03-24 Jakub Jelinek <jakub@redhat.com>
2224 * target.h (struct gcc_target): Add code_end hook.
2225 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
2227 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
2228 * toplev.c (compile_file): Call targetm.asm_out.code_end
2229 hook before unwind info/debug info output.
2230 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
2231 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
2232 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2233 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
2234 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2235 * config/i386/i386.c (ix86_file_end): Renamed to...
2236 (ix86_code_end): ... this. Make static. Don't call
2237 file_end_indicate_exec_stack. Emit unwind info using
2238 final_start_function/final_end_function.
2239 (darwin_x86_file_end): Remove.
2240 (TARGET_ASM_CODE_END): Define.
2241 * config/i386/i386.h (TARGET_ASM_FILE_END,
2242 NEED_INDICATE_EXEC_STACK): Don't define.
2243 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
2244 (TARGET_ASM_FILE_END): Define to darwin_file_end.
2245 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
2246 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
2249 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
2250 at the beginning and final_end_function at the end.
2251 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2253 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2255 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
2256 and Sun as TLS syntax.
2257 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
2258 * configure: Regenerate.
2259 * config.in: Regenerate.
2260 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
2261 (default_elf_asm_named_section): Use it.
2262 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
2263 (i386_output_dwarf_dtprel): Likewise.
2264 (output_addr_const_extra): Likewise.
2265 (output_pic_addr_const): Lowercase @GOTTPOFF.
2266 (output_addr_const_extra): Likewise.
2267 (output_pic_addr_const): Lowercase @GOTNTPOFF.
2268 (output_addr_const_extra): Likewise.
2269 (output_pic_addr_const): Lowercase @INDNTPOFF.
2270 (output_addr_const_extra): Likewise.
2271 (output_pic_addr_const): Lowercase @NTPOFF.
2272 (output_addr_const_extra): Likewise.
2273 (output_pic_addr_const): Lowercase @TPOFF.
2274 (output_addr_const_extra): Likewise.
2275 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
2276 (*tls_global_dynamic_64): Likewise.
2277 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
2278 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
2280 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
2281 (ASM_OUTPUT_TLS_COMMON): Use it.
2282 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
2285 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
2286 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
2287 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
2288 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
2289 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2290 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
2292 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2294 * config/i386/i386.c (override_options): Don't accept
2295 -mtls-dialect=sun any longer.
2296 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
2297 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
2298 (*tls_local_dynamic_base_32_sun): Likewise.
2299 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2301 2010-03-24 Jakub Jelinek <jakub@redhat.com>
2304 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
2305 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
2308 * ira.c (adjust_cleared_regs): New function.
2309 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
2313 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
2315 * expr.c (expand_expr_real): Restore previous
2316 curr_insn_source_location and curr_insn_block after
2317 expand_expr_real_1 call.
2318 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
2319 instead of expand_expr_real_1.
2321 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
2323 PR rtl-optimization/43413
2324 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
2327 2010-03-22 James E. Wilson <wilson@codesourcery.com>
2330 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
2331 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
2333 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
2335 * config/i386/i386.c (ix86_target_string): Add -mfma.
2336 Fix a typo in comment.
2338 2010-03-22 Mike Stump <mikestump@comcast.net>
2341 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2342 Don't overly align based upon packed packed fields.
2344 2010-03-22 Jason Merrill <jason@redhat.com>
2346 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
2347 Use () rather than [], and move before the element type.
2349 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2351 * doc/configfiles.texi (Configuration Files): Removed
2352 fixinc/Makefile*, intl/Makefile.*.
2353 * doc/makefile.texi: Fixed markup. Abstract from version
2354 control system used.
2355 (Makefile): Removed obsolete gcc/java/parse.y example.
2356 * doc/sourcebuild.texi: Likewise.
2357 (Top Level): Added config, gnattools, libdecnumber, libgcc,
2358 libgomp, libssp. Removed fastjar.
2359 (Miscellaneous Docs): Clarify location.
2360 Added COPYING3, COPYING3.LIB.
2361 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
2363 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2366 * config/i386/i386.c (x86_function_profiler)
2367 [!NO_PROFILE_COUNTERS]: Fix typo.
2368 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
2371 2010-03-22 Janis Johnson <janis187@us.ibm.com>
2372 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2374 * doc/sourcebuild.texi (Test Directives): Split into six
2375 subsections, with most of the current text in new subsections
2376 Directives, Selectors, and Final Actions.
2377 (Directives): Split list of test directives into multiple
2379 (Selectors): Describe use and syntax of selectors.
2380 (Effective-Target Keywords): Describe all existing keywords.
2381 (Add Options): Describe features for dg-add-options.
2382 (Require Support): Describe variants of dg-require-support.
2383 (Final Actions): Describe commands to use in dg-final.
2385 2010-03-22 Michael Matz <matz@suse.de>
2388 * recog.c (validate_replace_rtx_group): Replace also in
2389 REG_EQUAL and REG_EQUIV notes.
2391 2010-03-22 Richard Guenther <rguenther@suse.de>
2393 PR tree-optimization/43390
2394 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
2395 sure vector extracts are type correct.
2397 2010-03-22 Richard Guenther <rguenther@suse.de>
2400 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
2401 x * sqrt (x) even when optimizing for size if the target
2402 has native support for sqrt.
2404 2010-03-22 Jakub Jelinek <jakub@redhat.com>
2406 * varasm.c (make_decl_rtl_for_debug): Also clear
2407 flag_mudflap for the duration of make_decl_rtl call.
2410 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
2411 locs from preserved VALUEs.
2413 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2416 * pa.md (movmemsi): Set align to one if zero.
2417 (movmemdi): Likewise.
2419 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
2422 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
2423 with their corresponding prologue pushes.
2425 2010-03-20 Andrew Pinski <pinskia@gmail.com>
2428 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
2429 at the begining or end.
2430 (spu_expand_epilogue): Likewise.
2432 2010-03-20 Richard Guenther <rguenther@suse.de>
2434 PR rtl-optimization/43438
2435 * combine.c (make_extraction): Properly zero-/sign-extend an
2436 extraction of the low part of a CONST_INT. Also handle
2439 2010-03-19 Mike Stump <mikestump@comcast.net>
2441 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
2442 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
2443 (override_options): Use SUBTARGET32_DEFAULT_CPU.
2445 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
2448 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
2451 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
2453 PR rtl-optimization/42258
2454 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
2455 use that may match DEF.
2458 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
2459 the cost of loading the constant rather than assuming
2461 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
2462 outer code is AND, do the same tests as the andsi3 expander and
2463 return COSTS_N_INSNS (1) if and is cheap.
2465 * optabs.c (avoid_expensive_constant): Fix formatting.
2467 2010-03-19 Michael Matz <matz@suse.de>
2470 * attribs.c (decl_attributes): When rebuilding a function pointer
2471 type use the same qualifiers as the original pointer type.
2473 2010-03-19 Martin Jambor <mjambor@suse.cz>
2475 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
2476 and is_gimple_ip_invariant_address.
2478 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2481 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2483 * config/arm/arm.c (arm_override_options): Turn off
2484 flag_dwarf2_cfi_asm for AAPCS variants.
2486 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2489 * config/arm/arm.c (emit_multi_reg_push): Update comments.
2490 Use PRE_MODIFY instead of PRE_DEC.
2491 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
2492 (vfp_emit_fstmd): Likewise.
2494 2010-03-19 Michael Matz <matz@suse.de>
2497 * builtins.c (expand_builtin_interclass_mathfn,
2498 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
2501 2010-03-19 Richard Guenther <rguenther@suse.de>
2503 PR tree-optimization/43415
2504 * tree-ssa-pre.c (phi_translate): Split out worker to ...
2505 (phi_translate_1): ... this.
2506 (phi_translate): Move all caching here. Cache all NARY
2507 and REFERENCE translations.
2509 2010-03-19 David S. Miller <davem@davemloft.net>
2511 With help from Eric Botcazou.
2512 * config/sparc/sparc.c: Include dwarf2out.h.
2513 (emit_pic_helper): Delete.
2514 (pic_helper_symbol_name): Delete.
2515 (pic_helper_emitted_p): Delete.
2516 (pic_helper_needed): New.
2517 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
2518 (get_pc_thunk_name): New.
2519 (load_pic_register): Remove 'delay_pic_helper' arg. Use
2520 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
2521 Set pic_helper_needed to true. Don't call emit_pic_helper.
2522 (sparc_expand_prologue): Update load_pic_register call.
2523 (sparc_output_mi_thunk): Likewise.
2524 (sparc_file_end): Emit a hidden comdat symbol for the PIC
2525 thunk if possible. Output CFI information as needed.
2527 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
2528 Jack Howarth <howarth@bromo.med.uc.edu>
2531 * config/i386/i386.h: Fix ABI on darwin x86-32.
2533 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
2535 * tree.h: Declare make_decl_rtl_for_debug.
2536 * varasm.c (make_decl_rtl_for_debug): New.
2537 * dwarf2out.c (rtl_for_decl_location): Call it.
2538 * cfgexpand.c (expand_debug_expr): Call it.
2540 2010-03-18 Jakub Jelinek <jakub@redhat.com>
2543 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
2547 * var-tracking.c (vt_init_cfa_base): Do nothing if
2548 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
2550 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
2553 * var-tracking.c (canonicalize_vars_star): New.
2554 (dataflow_post_merge_adjust): Use it.
2556 2010-03-18 Jakub Jelinek <jakub@redhat.com>
2559 * var-tracking.c (non_suitable_const): New function.
2560 (add_uses): For DEBUG_INSNs with constants, don't record any
2561 value, instead just the constant value itself.
2562 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
2563 is not VAR_LOC_UNKNOWN_P, set var to the constant.
2564 (emit_notes_in_bb): Likewise.
2565 (emit_note_insn_var_location): For onepart variables if
2566 cur_loc is a VOIDmode constant, use DECL_MODE.
2568 2010-03-18 Martin Jambor <mjambor@suse.cz>
2571 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
2572 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
2573 all non-clones. Moved call redirection...
2574 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
2575 (cgraph_materialize_all_clones): Dispose of all
2576 combined_args_to_skip bitmaps.
2577 (verify_cgraph_node): Do not check for edges pointing to wrong
2578 nodes in inline clones.
2579 * tree-inline.c (copy_bb): Call
2580 cgraph_redirect_edge_call_stmt_to_callee.
2581 * ipa.c (cgraph_remove_unreachable_nodes): Call
2582 cgraph_node_remove_callees even when there are used clones.
2584 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
2586 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
2588 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
2591 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
2594 2010-03-18 Michael Matz <matz@suse.de>
2597 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
2598 into sqrt(x) if we need to preserve signed zeros.
2600 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
2601 Eric Botcazou <ebotcazou@adacore.com>
2603 PR rtl-optimization/43360
2604 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
2605 note if we don't know its invariant status.
2607 2010-03-18 Michael Matz <matz@suse.de>
2609 PR tree-optimization/43402
2610 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
2611 PHI chains of ssa names registered for update.
2613 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
2616 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
2617 non-offsettable and pre_modify update addressing.
2618 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
2619 and "2" alternatives "#".
2620 (*movdd_softfloat32): Make all alternatives "#";
2621 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
2622 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
2623 (*movdf_softfloat32): Make all alternatives "#";
2624 (movdi): Use the new DIFD mode iterator to create a common splitter
2625 for movdi, movdf and movdd patterns.
2627 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
2629 * common.opt (dumpdir): Remove redundant tab.
2631 2010-03-17 Martin Jambor <mjambor@suse.cz>
2633 PR tree-optimization/43347
2634 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
2635 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
2637 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
2639 PR rtl-optimization/42216
2640 * regrename.c (create_new_chain): New function, broken out from...
2641 (scan_rtx_reg): ... here. Call it. Handle the case where we are
2642 appending a use to an empty chain.
2643 (build_def_use): Remove previous changes that convert OP_INOUT to
2644 OP_OUT operands; instead detect the case where an OP_INOUT operand
2645 uses a previously untracked register and create an empty chain for it.
2647 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2649 * doc/extend.texi (Function Attributes): Rewrite unfinished
2650 sentence in ms_abi documentation.
2652 2010-03-17 Alan Modra <amodra@gmail.com>
2654 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
2655 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
2656 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
2657 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
2659 2010-03-16 Richard Henderson <rth@redhat.com>
2662 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
2663 (lower_try_finally): Save and restore eh_seq around the expansion
2666 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
2668 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
2669 statements before splitting block.
2671 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2673 * doc/sourcebuild.texi (Testsuites): Fix markup.
2674 Use pathnames relative to gcc/testsuite.
2675 (Test Directives): Move description of how timeout is determined.
2676 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
2677 (C Tests): Correct gcc.misc-tests directory.
2678 Framework tests now live in gcc.test-framework.
2680 2010-03-16 Richard Guenther <rguenther@suse.de>
2683 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
2684 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
2686 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
2687 Alexandre Oliva <aoliva@redhat.com>
2689 PR tree-optimization/42917
2690 * lambda-code.c (remove_iv): Skip debug statements.
2691 (lambda_loopnest_to_gcc_loopnest): Likewise.
2692 (not_interesting_stmt): Debug statements are not interesting.
2694 2010-03-16 Jakub Jelinek <jakub@redhat.com>
2698 * cselib.c (cselib_preserve_constants,
2699 cfa_base_preserved_val): New static variables.
2700 (preserve_only_constants): New function.
2701 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
2702 clear its REG_VALUES. If cselib_preserve_constants, don't
2703 empty the whole hash table, but preserve there VALUEs with constants,
2704 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
2705 (cselib_preserve_cfa_base_value): New function.
2706 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
2707 (cselib_init): Change argument to int bitfield. Set
2708 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
2710 (cselib_finish): Clear cselib_preserve_constants and
2711 cfa_base_preserved_val.
2712 * cselib.h (enum cselib_record_what): New enum.
2713 (cselib_init): Change argument to int.
2714 (cselib_preserve_cfa_base_value): New prototype.
2715 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
2716 * dse.c (dse_step1): Likewise.
2717 * cfgcleanup.c (thread_jump): Likewise.
2718 * sched-deps.c (sched_analyze): Likewise.
2719 * gcse.c (local_cprop_pass): Likewise.
2720 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
2721 If FN is non-NULL, call the callback always and whenever it returns
2722 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
2723 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
2724 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
2725 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
2726 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
2727 * var-tracking.c: Include recog.h.
2728 (bb_stack_adjust_offset): Remove.
2729 (vt_stack_adjustments): Don't call it, instead just gather the
2730 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
2731 (adjust_stack_reference): Remove.
2732 (compute_cfa_pointer): New function.
2733 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
2734 (struct adjust_mem_data): New type.
2735 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
2737 (get_address_mode): New function.
2738 (replace_expr_with_values): Use it.
2739 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
2740 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
2741 (adjust_sets): Remove.
2742 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
2743 Use get_address_mode.
2744 (get_adjusted_src): Remove.
2745 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
2746 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
2747 (add_with_sets): Don't call adjust_sets.
2748 (fp_setter, vt_init_cfa_base): New functions.
2749 (vt_initialize): Change return type to bool. Move most of pool etc.
2750 initialization to the beginning of the function from end. Pass
2751 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
2752 If !frame_pointer_needed, call vt_stack_adjustment before mos
2753 vector is filled, call vt_init_cfa_base if argp/framep has been
2754 eliminated to sp. If frame_pointer_needed and argp/framep has
2755 been eliminated to hard frame pointer, set
2756 hard_frame_pointer_adjustment and call vt_init_cfa_base after
2757 encountering fp setter in the prologue. For MO_ADJUST, call
2758 log_op_type before pusing the op into mos vector, not afterwards.
2759 Call adjust_insn before cselib_process_insn/add_with_sets,
2760 call cancel_changes (0) afterwards.
2761 (variable_tracking_main_1): Adjust for vt_initialize calling
2762 vt_stack_adjustments and returning whether it succeeded or not.
2764 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
2766 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
2769 2010-03-15 Jakub Jelinek <jakub@redhat.com>
2771 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
2773 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
2774 drap_reg has not been set.
2776 2010-03-15 Michael Matz <matz@suse.de>
2779 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
2780 use it to expand block copies.
2781 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
2782 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
2783 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
2785 2010-03-15 Richard Guenther <rguenther@suse.de>
2787 PR tree-optimization/43367
2788 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
2791 2010-03-15 Richard Guenther <rguenther@suse.de>
2793 PR tree-optimization/43317
2794 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
2796 2010-03-15 Martin Jambor <mjambor@suse.cz>
2798 PR tree-optimization/43141
2799 * tree-sra.c (create_abstract_origin): New function.
2800 (modify_function): Call create_abstract_origin.
2802 2010-03-15 Chris Demetriou <cgd@google.com>
2804 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
2807 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2810 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
2811 call insert_out_of_ssa_copy for default definitions.
2813 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2815 * graphite-clast-to-gimple.c (my_long_long): Defined.
2816 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
2817 * graphite-sese-to-poly.c (my_long_long): Defined.
2818 (scop_ivs_can_be_represented): Use it.
2820 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2822 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
2823 graphite-max-bbs-per-function, and loop-block-tile-size.
2824 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
2826 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
2828 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2830 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
2831 forward declaration.
2832 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
2833 (add_upper_bounds_from_estimated_nit): New.
2834 (build_loop_iteration_domains): Use it.
2836 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2838 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
2840 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2843 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
2844 should be an INTEGER_CST. Also handle CASE_CONVERT.
2846 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2848 * graphite.c (graphite_initialize): To bound the number of bbs per
2849 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
2850 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
2851 * doc/invoke.texi: Document it.
2853 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2855 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
2856 * graphite-sese-to-poly.h (build_poly_scop): Same.
2858 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2860 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
2861 the number of parameters in the scop. Use as an upper bound
2862 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
2863 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
2864 * doc/invoke.texi: Document it.
2866 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
2868 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
2869 * doc/c-tree.texi: Remove.
2870 * doc/generic.texi: Merge c-tree.texi here.
2871 * doc/gccint.texi (Trees): Remove menu entry.
2872 (c-tree.texi): Remove @include.
2873 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
2874 * doc/languages.texi (Reading RTL): Ditto.
2876 2010-03-12 Steve Ellcey <sje@cup.hp.com>
2879 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
2881 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
2884 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
2885 code added to work around reload clobbering CONST insns.
2887 2010-03-12 Jakub Jelinek <jakub@redhat.com>
2889 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
2890 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
2891 (cselib_preserve_only_values): Remove retain argument, don't
2892 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
2893 * cselib.h (cselib_preserve_only_values): Remove retain argument.
2894 * var-tracking.c (micro_operation): Move insn field before union.
2895 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
2896 (struct variable_tracking_info_def): Remove n_mos field, change
2897 mos into a vector of micro_operations.
2898 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
2899 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
2900 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
2901 changing into a vector.
2902 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
2903 come before all other uops generated by add_stores.
2904 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
2906 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
2907 a vector. Run just one pass over the bbs instead of separate counting
2908 and computation phase.
2909 (vt_finalize): Free VTI (bb)->mos vector instead of array.
2912 * tree-inline.c (remap_decls): Put old_var rather than origin_var
2913 into *nonlocalized_list vector.
2914 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
2915 even if origin is non-NULL.
2916 (gen_variable_die): Likewise.
2917 (process_scope_var): Don't change origin.
2918 (gen_decl_die): Likewise.
2919 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
2920 before adding new edges instead of after it, fix moving over
2923 2010-03-11 David S. Miller <davem@davemloft.net>
2925 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
2927 * configure: Rebuild.
2929 2010-03-11 Martin Jambor <mjambor@suse.cz>
2931 PR tree-optimization/43257
2932 * tree.c (assign_assembler_name_if_neeeded): New function.
2933 (free_lang_data_in_cgraph): Assembler name assignment moved to the
2935 * tree.h (assign_assembler_name_if_neeeded): Declare.
2936 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
2937 the function if needed.
2939 2010-03-11 Chris Demetriou <cgd@google.com>
2941 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
2942 include/stdint-gcc.h, and include/stdint.h world-readable.
2944 2010-03-11 Richard Guenther <rguenther@suse.de>
2946 PR tree-optimization/43255
2947 * tree-vrp.c (process_assert_insertions_for): Do not insert
2948 asserts for trivial conditions.
2950 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2952 PR tree-optimization/43280
2953 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
2954 generation. Move calculation of size out of the if branch.
2955 (find_bswap): Modify compare number generation.
2957 2010-03-11 Richard Guenther <rguenther@suse.de>
2960 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
2961 (input_gimple_stmt): Fixup handled component types during
2962 operand read. Also fix up decls in ADDR_EXPRs.
2964 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
2966 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
2967 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
2969 2010-03-10 Jan Hubicka <jh@suse.cz>
2972 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
2973 * varasm.c (get_variable_section): Don't do that here...
2974 (make_decl_rtl): ... and here.
2975 (do_assemble_alias): Produce decl RTL.
2976 (assemble_alias): Likewise.
2978 2010-03-10 Jakub Jelinek <jakub@redhat.com>
2981 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
2982 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
2984 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
2985 (based_loc_descr): Only express drap or vdrap regno based expressions
2986 using DW_OP_fbreg when not optimizing.
2987 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
2988 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
2989 REG_CFA_SET_VDRAP note.
2991 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
2993 PR tree-optimization/43236
2994 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
2995 error in calculation of base address in reverse iteration case.
2996 (generate_builtin): Take number of latch executions if the statement
2999 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
3002 * tree-eh.c: Include pointer-set.h.
3003 (lower_eh_dispatch): Filter out duplicate case labels and
3004 remove the unneeded edge when the label is unused. Return
3005 true when some edges are removed.
3006 (execute_lower_eh_dispatch): When any lowering resulted in
3007 removing an edge, also delete unreachable blocks.
3009 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3012 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
3013 UNSPEC_MACHOPIC_OFFSET.
3015 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
3018 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
3019 (m68k_delegitimize_address): New function.
3021 2010-03-09 Jakub Jelinek <jakub@redhat.com>
3024 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
3027 * var-tracking.c (adjust_sets): New function.
3028 (count_with_sets, add_with_sets): Use it.
3029 (get_adjusted_src): New inline function.
3030 (add_stores): Use it.
3033 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
3034 call cselib_dummy_expand_value_rtx_cb instead of
3035 cselib_expand_value_rtx_cb.
3038 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
3039 * config/i386/i386.c: Include debug.h and dwarf2out.h.
3040 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
3041 and .cfi_endproc around the pic thunks.
3042 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
3043 all queued unwind info register saves are saved before the call.
3044 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
3045 considered as sp-=4 for unwind info and the pop as sp+=4 which
3046 also clobbers dest, but doesn't actually restore it.
3049 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
3050 RTX_FRAME_RELATED_P.
3052 2010-03-09 Jie Zhang <jie@codesourcery.com>
3054 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
3055 whitespaces in output template.
3057 2010-03-09 Jie Zhang <jie@codesourcery.com>
3059 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
3062 2010-03-08 Jakub Jelinek <jakub@redhat.com>
3064 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
3065 builtins.exp in a separate job.
3067 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3069 * graphite-sese-to-poly.c (add_param_constraints): Use
3070 lower_bound_in_type and upper_bound_in_type.
3072 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3074 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
3075 instead of unsigned_type_node.
3077 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3078 Reza Yazdani <reza.yazdani@amd.com>
3081 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
3082 on pointer type parameters.
3084 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
3088 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
3089 handle conversions from pointer to integers.
3090 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
3091 induction variable, to be able to work with code generated by CLooG.
3092 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
3093 (build_poly_scop): Bail out if we cannot codegen a loop.
3095 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
3097 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
3098 code generation with gloog_error.
3100 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3102 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
3103 Call fold_convert on all the returned values.
3104 (expand_scalar_variables_expr): Pass to
3105 expand_scalar_variables_ssa_name the type of the resulting expression.
3107 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3109 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
3110 ppl_min_for_le_pointset.
3111 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
3112 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
3114 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3116 * graphite-dependences.c (map_into_dep_poly): Removed.
3117 (dependence_polyhedron_1): Use combine_context_id_scat.
3119 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3121 * graphite-poly.h (struct poly_scattering): Add layout documentation.
3122 (struct poly_bb): Same.
3123 (combine_context_id_scat): New.
3125 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3128 * sese.c (name_defined_in_loop_p): Return false for default
3131 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3133 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
3134 and clean up the logic.
3136 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3138 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
3141 2010-03-08 Jakub Jelinek <jakub@redhat.com>
3143 * var-tracking.c (remove_cselib_value_chains): Define only for
3145 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
3146 delete_slot_part, emit_notes_for_differences_1): Don't call
3147 remove_cselib_value_chains here.
3148 (set_slot_part, emit_notes_for_differences_2): Don't call
3149 add_cselib_value_chains here.
3150 (preserved_values): New vector.
3151 (preserve_value): New function.
3152 (add_uses, add_stores, vt_add_function_parameters): Use it
3153 instead of cselib_preserve_value.
3154 (changed_values_stack): New vector.
3155 (check_changed_vars_0): New function.
3156 (check_changed_vars_1, check_changed_vars_2): Use it.
3157 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
3158 changed_values_stack VALUEs.
3159 (vt_emit_notes): For all preserved_values call
3160 add_cselib_value_chains. If ENABLE_CHECKING call
3161 remove_cselib_value_chains before verifying value_chains is empty.
3162 Initialize and free changed_values_stack.
3163 (vt_initialize): Initialize preserved_values.
3164 (vt_finalize): Free preserved_values.
3166 2010-03-08 Richard Guenther <rguenther@suse.de>
3168 PR tree-optimization/43269
3169 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
3172 2010-03-08 Martin Jambor <mjambor@suse.cz>
3174 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
3175 (ipa_is_param_called): Removed.
3176 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
3177 (ipa_print_node_params): Do not print the called flag.
3178 (ipa_write_node_info): Do not stream the called flag.
3179 (ipa_read_node_info): Likewise.
3181 2010-03-07 Jakub Jelinek <jakub@redhat.com>
3184 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
3185 * cselib.c (struct expand_value_data): Add dummy field.
3186 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
3188 (cselib_dummy_expand_value_rtx_cb): New function.
3189 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
3191 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
3192 * var-tracking.c: Include pointer-set.h.
3193 (variable): Change n_var_parts to char from int. Add
3194 cur_loc_changed and in_changed_variables fields.
3195 (variable_canonicalize): Remove.
3196 (shared_var_p): New inline function.
3197 (unshare_variable): Maintain cur_loc_changed and
3198 in_changed_variables fields. If var was in changed_variables,
3199 replace it there with new_var. Just copy cur_loc instead of
3200 resetting it to something else.
3201 (variable_union): Don't recompute cur_loc. Use shared_var_p.
3202 (dataflow_set_union): Don't call variable_canonicalize.
3203 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
3204 of their DEBUG_EXPR_TREE_DECLs.
3205 (canonicalize_loc_order_check): Verify that cur_loc is NULL
3206 and in_changed_variables and cur_loc_changed is false.
3207 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
3208 and cur_loc_changed. Don't update cur_loc here.
3209 (variable_merge_over_src): Don't call variable_canonicalize.
3210 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
3211 removing loc that is equal to cur_loc, clear cur_loc,
3212 set cur_loc_changed and ensure variable_was_changed is called.
3213 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
3214 compare pointers in cur_loc check, if it is equal to loc,
3215 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
3216 (variable_different_p): Remove compare_current_location argument,
3217 don't compare cur_loc.
3218 (dataflow_set_different_1): Adjust variable_different_p caller.
3219 (variable_was_changed): If dv had some var in changed_variables
3220 already, reset in_changed_variables flag for it and propagate
3221 cur_loc_changed over to the new variable. On empty var
3222 always set cur_loc_changed. Set in_changed_variables on whatever
3223 var is added to changed_variables.
3224 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
3225 Use shared_var_p. When removing loc that is equal to cur_loc,
3226 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
3227 end, don't set it to something else, just call variable_was_changed.
3228 (delete_slot_part): Use shared_var_p. When cur_loc equals to
3229 loc being removed, clear cur_loc and set cur_loc_changed.
3230 Set cur_loc_changed if all locations have been removed.
3231 (struct expand_loc_callback_data): New type.
3232 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
3233 allocated. Always create SUBREGs if simplify_subreg failed.
3234 Prefer to use cur_loc, when that fails and still in
3235 changed_variables (and seen first time) recompute it. Set
3236 cur_loc_changed of variables which had to change cur_loc and
3237 compute elcd->cur_loc_changed if any of the subexpressions used
3238 had to change cur_loc.
3239 (vt_expand_loc): Adjust to pass arguments in
3240 expand_loc_callback_data structure.
3241 (vt_expand_loc_dummy): New function.
3242 (emitted_notes): New variable.
3243 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
3244 that weren't used for any other decl in current
3245 emit_notes_for_changes call call vt_expand_loc_dummy to update
3246 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
3247 first loc_chain location if NULL before. Always use just
3248 cur_loc instead of first loc_chain location. When cur_loc_changed
3249 is false, when not --enable-checking=rtl just don't emit any note.
3250 When rtl checking, compute the note and assert it is the same
3251 as previous note. Clear cur_loc_changed and in_changed_variables
3252 at the end before removing from changed_variables.
3253 (check_changed_vars_3): New function.
3254 (emit_notes_for_changes): Traverse changed_vars to call
3255 check_changed_vars_3 on each changed var.
3256 (emit_notes_for_differences_1): Clear cur_loc_changed and
3257 in_changed_variables. Recompute cur_loc of new_var.
3258 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
3259 (vt_emit_notes): Initialize and destroy emitted_notes.
3261 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
3263 PR rtl-optimization/42220
3264 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
3265 Use verify_reg_tracked to determine if we should use OP_OUT rather
3267 (build_def_use): If we see an in-out operand for a register that we
3268 know nothing about, treat is an output if possible, fail the block if
3271 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3274 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
3277 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3280 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
3281 uses of relevant DEFs that are dead outside the loop too.
3283 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3285 * var-tracking.c (dataflow_set_merge): Swap src and src2.
3287 2010-01-13 Jakub Jelinek <jakub@redhat.com>
3289 * var-tracking.c (values_to_unmark): New variable.
3290 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
3291 values_to_unmark vector. Moved body to...
3292 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
3293 instead queue it into values_to_unmark vector.
3294 (vt_find_locations): Free values_to_unmark vector.
3296 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
3298 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
3299 (site.exp): Export them when plugins are enabled.
3301 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
3304 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
3306 (chrec_fold_multiply): Same.
3308 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
3311 * c-decl.c (build_compound_literal): Return early if init is
3314 2010-03-04 Martin Jambor <mjambor@suse.cz>
3316 PR tree-optimization/43164
3317 PR tree-optimization/43191
3318 * tree-sra.c (type_consists_of_records_p): Reject records with
3319 zero-size bit-fields at the end.
3321 2010-03-04 Mike Stump <mikestump@comcast.net>
3323 * Makefile.in (TAGS): Remove *.y.
3325 2010-03-04 Richard Guenther <rguenther@suse.de>
3327 PR tree-optimization/40761
3328 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
3330 (my_rev_post_order_compute): New function.
3331 (init_pre): Call it.
3333 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
3336 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
3337 decrease the cost of an IV candidate when the cost is infinite.
3339 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3341 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
3342 Use '3DNow!' for the extension of that name, ensure normal space
3344 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3346 2010-03-03 Jeff Law <law@redhat.com>
3348 * PR middle-end/32693
3349 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
3350 than gen_rtx_SUBREG.
3351 (extract_bit_field_1): Likewise.
3353 2010-03-03 Janis Johnson <janis187@us.ibm.com>
3355 * doc/sourcebuild.texi (Test directives): Document that arguments
3356 include-opts and exclude-opts are now optional for dg-skip-if,
3357 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
3359 2010-03-03 Jason Merrill <jason@redhat.com>
3362 * cgraph.h (varpool_node): Add extra_name field.
3363 * varpool.c (varpool_extra_name_alias): New.
3364 (varpool_assemble_decl): Emit extra name aliases.
3365 (varpool_mark_needed_node): Look past an extra name alias.
3366 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
3367 * lto-streamer-in.c (lto_input_tree): Read it.
3368 * lto-streamer-out.c (output_unreferenced_globals): Write it.
3370 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
3372 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
3373 (sparc*-*-solaris2*): ...this.
3375 2010-03-03 Jakub Jelinek <jakub@redhat.com>
3378 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
3379 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
3380 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
3381 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
3384 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
3385 fallthrough to default handling, just with want_address 0 instead of 2.
3386 For single element lists, add_AT_loc directly, otherwise create an
3387 artificial variable DIE and stick location list to it.
3390 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
3391 (VAL_EXPR_HAS_REVERSE): Define.
3392 (reverse_op): New function.
3393 (add_stores): For reversible operations add an extra MO_VAL_USE.
3395 2010-03-02 Jason Merrill <jason@redhat.com>
3397 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
3399 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
3401 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
3402 (sparc64-*-linux*): Likewise.
3403 (sparc64-*-solaris2*): Include assembler files before linker ones.
3404 (sparc-*-solaris2*): Simplify and reorder to match previous case.
3405 * config/sparc/gas.h: Delete.
3406 * config/sparc/sol2-64.h: Add copyright notice.
3407 * config/sparc/sol2-gas-bi.h: Likewise.
3408 * config/sparc/sol2-gld.h: Likewise.
3409 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
3410 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
3411 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
3412 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
3413 (sparc_elf_asm_named_section): Rename into...
3414 (sparc_solaris_elf_asm_named_section): ...this. Always define.
3416 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
3418 * config/alpha/alpha.c (override_options): Fix -mtune error message.
3420 2010-03-02 Jeff Law <law@redhat.com>
3423 * reload1.c (rtx_p, substitute_stack): Declare.
3424 (substitute): Record addresses of changed rtxs.
3425 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
3426 Restore the original rtx when complete.
3427 (reload): Free subsitute_stack when complete.
3429 2010-03-02 Janis Johnson <janis187@us.ibm.com>
3431 * doc/gccint.texi (menu): Add Testsuites as a chapter.
3432 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
3434 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
3435 LTO Testing, gcov Testing, profopt Testing, compat Testing,
3436 Torture Tests): Change from subsection to section.
3438 2010-03-02 Jakub Jelinek <jakub@redhat.com>
3439 Steven Bosscher <steven@gcc.gnu.org>
3441 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
3444 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
3447 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
3448 the assignment from the new induction variable to the assignment
3449 of the value from the original loop PHI function.
3451 2010-03-01 Janis Johnson <janis187@us.ibm.com>
3452 Daniel Jacobowitz <dan@codesourcery.com>
3454 * doc/sourcebuild.texi (Test directives): Clarify options to
3457 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3459 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
3460 Disable cfi directives unless GCC and gas agree on using read-only
3461 .eh_frame sections for 64-bit.
3462 * configure: Regenerate.
3464 2010-03-01 Richard Guenther <rguenther@suse.de>
3466 PR tree-optimization/43220
3467 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
3468 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
3470 2010-03-01 Richard Guenther <rguenther@suse.de>
3471 Martin Jambor <mjambor@suse.cz>
3474 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
3475 gimplified parameters.
3477 2010-03-01 Christian Bruel <christian.bruel@st.com>
3479 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
3481 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
3483 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
3485 2010-03-01 Richard Guenther <rguenther@suse.de>
3488 * expr.c (expand_assignment): Use the alias-oracle to tell
3489 if the rhs aliases the result decl.
3491 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3494 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
3495 to sol_gt_pch_get_address.
3496 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
3497 64-bit, SPARC and x86.
3498 (sol_gt_pch_get_address): New function.
3500 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
3502 * toplev.h (inform_n, error_n): Declare.
3503 * diagnostic.c (inform_n, error_n): New function.
3505 2010-03-01 Jakub Jelinek <jakub@redhat.com>
3507 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
3508 has no rtl yet when processing local_decls, queue it and recheck
3509 if deferred stack allocation hasn't assigned it rtl.
3511 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
3513 * config/sh/sh.c (unspec_bbr_uid): New.
3514 (gen_block_redirect): Use it instead of INSN_UID.
3515 (gen_far_branch): Likewise.
3517 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
3519 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
3520 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
3522 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3524 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
3525 (Warning Options): -Wno-conversion-null is valid for
3526 Objective-C++ as well.
3527 * doc/tm.texi (Named Address Spaces): Likewise.
3528 * doc/plugins.texi (Plugins): Replace TABs with spaces.
3529 * doc/tree-ssa.texi (Tree SSA): Likewise.
3531 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
3534 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
3535 by default. Don't set the default arch for
3536 i[34567]86-*-darwin*|x86_64-*-darwin*.
3538 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
3541 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
3542 default. Set the default 32bit/64bit archs with $with_arch
3543 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
3545 2010-02-27 Richard Guenther <rguenther@suse.de>
3547 PR tree-optimization/43186
3548 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
3549 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
3550 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
3551 unroller iterations.
3553 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
3555 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
3556 required and i[34567]86-*-* targets don't support 64bit ISA.
3558 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
3561 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
3564 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
3566 * config.gcc: Set the default arch at least to Prescott for
3567 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
3568 if SSE math is enabled.
3570 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
3572 * diagnostic.c (diagnostic_initialize): Update.
3573 (diagnostic_report_diagnostic): Test inhibit_notes_p for
3575 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
3576 (diagnostic_inhibit_notes): New.
3577 * toplev.c (process_options): inhibit notes with -fcompare-debug.
3579 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
3582 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
3583 * doc/standards.texi: Likewise.
3584 * doc/extend.texi: Likewise.
3585 * doc/trouble.texi: Likewise.
3586 * doc/cppopts.texi: Likewise.
3587 * doc/install.texi: Likewise.
3588 * c.opt (std=c90,std=gnu90): New options.
3589 * c-opts.c (c_common_handle_option): Handle them.
3591 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
3594 * c-decl.c (undeclared_variable): Use an informative note.
3596 2010-02-26 Richard Guenther <rguenther@suse.de>
3598 PR tree-optimization/43186
3599 * gimple.h (gimple_fold): Remove.
3600 * gimple.c (gimple_fold): Remove. Inline into single user ...
3601 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
3602 Try harder for conditions.
3604 2010-02-26 Jakub Jelinek <jakub@redhat.com>
3607 * function.c (used_types_insert): Don't skip through named pointer
3608 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
3609 and it is different from the main variant's type.
3611 2010-02-26 Nick Clifton <nickc@redhat.com>
3613 * config/rx/rx.md (sminsi3): Remove bogus alternative.
3615 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
3617 * config.gcc: Support --with-fpmath=sse for x86.
3619 * config/i386/ssemath.h: New.
3621 * doc/install.texi (--with-fpmath=sse): Documented.
3623 2010-02-26 Richard Guenther <rguenther@suse.de>
3625 PR tree-optimization/43188
3626 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
3627 vector types of over-aligned element type.
3629 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
3632 * config/i386/i386.c (expand_vec_perm_blend): Use correct
3633 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
3635 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
3637 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
3639 2010-02-26 Jakub Jelinek <jakub@redhat.com>
3641 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
3642 * var-tracking.c: Include diagnostic.h.
3643 (debug_dv): New function.
3644 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
3647 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
3648 (add_value_chain, add_value_chains, remove_value_chain,
3649 remove_value_chains): Handle DEBUG_EXPRs.
3650 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
3653 * regcprop.c (struct queued_debug_insn_change): New type.
3654 (struct value_data_entry): Add debug_insn_changes field.
3655 (struct value_data): Add n_debug_insn_changes field.
3656 (debug_insn_changes_pool): New variable.
3657 (free_debug_insn_changes, apply_debug_insn_changes,
3658 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
3659 (kill_value_one_regno): Call free_debug_insn_changes if needed.
3660 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
3662 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
3664 (copyprop_hardreg_forward_1): Don't call apply_change_group for
3665 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
3666 changes, call cprop_find_used_regs via note_stores.
3667 (copyprop_hardreg_forward): When copying vd from predecessor
3668 which has any queued DEBUG_INSN changes, make sure the pointers are
3669 cleared. At the end call df_analyze and then if there are any
3670 DEBUG_INSN changes queued at the end of some basic block for still
3671 live registers, apply them.
3672 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
3674 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
3676 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
3679 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
3681 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
3682 targets. Set the default with_cpu/with_arch from arch/cpu.
3683 Allow x86-64 and native for with_cpu/with_arch.
3685 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
3687 * ebitmap.c: Change calls to verify_popcount with calls to
3688 sbitmap_verify_popcount.
3689 (ebitmap_clear_bit): Fixed map->cacheindex test and
3690 map>cache update when bit clearing results in an empty
3693 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
3696 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
3697 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
3698 and support both V2DF and V2DI modes.
3699 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
3700 support both V2DF and V2DI modes.
3701 (general): Delete trailing whitespace from a few patterns.
3703 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
3704 V2DF/V2DI interleave high/low builtins.
3706 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
3709 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
3710 interleave high/low functions.
3712 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
3714 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
3715 #pragma extern_prefix.
3717 2010-02-25 Jakub Jelinek <jakub@redhat.com>
3720 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
3721 BLKmode, assert op0 is a MEM and just adjust its mode.
3724 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
3725 if bitpos isn't multiple of mode's bitsize.
3727 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
3729 * c.opt (-ftemplate-depth=): New.
3730 (-ftemplate-depth-): Deprecate.
3731 * optc-gen.awk: Handle -ftemplate-depth=.
3732 * opth-gen.awk: Likewise.
3733 * c-opts.c (c_common_handle_option): Likewise.
3734 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
3736 2010-02-24 Jason Merrill <jason@redhat.com>
3738 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
3740 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3742 * cfg.c (alloc_aux_for_block): Remove inline.
3743 (alloc_aux_for_edge): Likewise.
3745 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3747 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
3749 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3751 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
3752 * config/i386/sol2-gas.h: New file.
3753 * config.gcc (i[34567]86-*-solaris2*): Use it.
3755 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
3758 * c-typeck.c (ep_convert_and_check): New.
3759 (build_conditional_expr): Use it.
3760 (build_binary_op): Likewise.
3762 2010-02-24 Jakub Jelinek <jakub@redhat.com>
3764 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
3767 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
3768 bounds even for -O+.
3769 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
3770 expr needs to have DECL_NAME set.
3772 2010-02-24 Nick Clifton <nickc@redhat.com>
3774 * config/mep/mep.c: Include gimple.h.
3775 (mep_function_uses_sp): Delete unused function.
3776 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
3777 parameters. Use unsigned integers to count args. Return a
3778 NULL_RTX instead of an error_mark_node. Toidy up formatting.
3780 2010-02-23 Jakub Jelinek <jakub@redhat.com>
3783 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
3784 greater or equal to nelt instead of 2 * nelt.
3785 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
3788 2010-02-23 Jason Merrill <jason@redhat.com>
3791 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
3792 in cfun->local_decls even if they have register types.
3795 * stor-layout.c (place_field): Don't warn about unnecessary
3796 DECL_PACKED if the type is packed.
3798 2010-02-23 Jakub Jelinek <jakub@redhat.com>
3801 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
3802 GOTOFF relocs, even when the base reg isn't pic pointer.
3804 2010-02-23 Michael Matz <matz@suse.de>
3807 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
3808 (expand_gimple_basic_block): Generate and use debug temps if there
3809 are debug uses left after the last real use of TERed ssa names.
3810 Unlink debug immediate uses when they are expanded.
3812 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
3815 * config/i386/i386.c (override_options): Reorganise to provide
3816 better error messages.
3818 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
3821 * graphite-scop-detection.c (create_single_exit_edge): Move
3822 the call to find_single_exit_edge to....
3823 (create_sese_edges): ...here. Don't handle multiple edges
3824 exiting the function.
3825 (build_graphite_scops): Don't handle multiple edges
3826 exiting the function.
3828 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
3831 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
3832 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
3834 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
3837 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
3839 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
3842 * c-typeck.c (convert_arguments): Print declaration location.
3843 * c-common.c (validate_nargs): Rename as
3844 builtin_function_validate_nargs.
3845 (check_builtin_function_arguments): Update.
3847 2010-02-22 Richard Guenther <rguenther@suse.de>
3850 * tree-inline.c (declare_return_variable): Use the type of
3851 the call stmt lhs if available.
3853 2010-02-22 Duncan Sands <baldrick@free.fr>
3855 * passes.c (register_pass): Always consider all pass lists when
3856 ref_pass_instance_number is zero.
3858 2010-02-22 Richard Guenther <rguenther@suse.de>
3860 PR tree-optimization/42749
3861 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
3862 parameter. Do arithmetic in the original type.
3863 (update_accumulator_with_ops): Likewise.
3864 (adjust_accumulator_values): Adjust.
3866 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3868 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
3869 (QI to BLKmode splitter): New splitter.
3871 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
3873 * config/i386/i386.c (initial_ix86_tune_features): Turn on
3874 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
3876 2010-02-22 Richard Guenther <rguenther@suse.de>
3878 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
3880 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
3882 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
3883 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
3884 ($(T)crti.o, $(T)crtn.o): Remove rules.
3886 2010-02-21 Tobias Burnus <burnus@net-b.de>
3889 * doc/invoke.texi (-fassociative-math): Document that this
3890 option is automatically enabled for Fortran.
3892 2010-02-20 David S. Miller <davem@davemloft.net>
3894 * configure.ac: Test if linker and assembler properly support
3895 GOTDATA_OP relocations.
3896 * configure: Rebuild.
3897 * config.in: Likewise.
3898 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
3899 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
3900 (movsi_high_pic): Likewise.
3901 (movdi_lo_sum_pic): Likewise.
3902 (movdi_high_pic): Likewise.
3903 (movsi_pic_gotdata_op): New pattern.
3904 (movdi_pic_gotdata_op): Likewise.
3905 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
3906 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
3908 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
3911 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
3912 attribute to ssemul.
3913 (xop_mulv2div2di3_high): Ditto.
3915 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
3918 * c.opt (Wconversion-null): New option.
3919 * doc/invoke.texi (Wconversion-null): Document.
3921 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
3923 * common.opt (Wlarger-than-): Add Undocumented.
3925 2010-02-19 Mike Stump <mikestump@comcast.net>
3927 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
3929 2010-02-19 Jason Merrill <jason@redhat.com>
3932 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
3933 * configure: Likewise.
3935 2010-02-20 Alan Modra <amodra@gmail.com>
3938 * cgraph.h (cgraph_make_decl_local): Declare.
3939 * cgraph.c (cgraph_make_decl_local): New function.
3940 (cgraph_make_node_local): Use it.
3941 * cgraphunit.c (cgraph_function_versioning): Likewise.
3942 * ipa.c (function_and_variable_visibility): Likewise.
3944 2010-02-19 Jakub Jelinek <jakub@redhat.com>
3947 * except.c (sjlj_emit_function_enter): Don't call
3948 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
3950 * rtl.h (add_reg_br_prob_note): Remove prototype.
3952 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
3955 * c-common.c (conversion_warning): Remove widening conversions
3956 before checking the conversion of integers to reals.
3958 2010-02-19 Mike Stump <mikestump@comcast.net>
3961 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
3964 * cgraphunit.c (process_function_and_variable_attributes): Check
3965 DECL_PRESERVE_P instead of looking up attribute "used".
3966 * ipa-pure-const.c (check_decl): Likewise.
3967 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
3968 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
3969 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
3970 instead of attribute "used".
3971 * config/sol2-c.c (solaris_pragma_init): Likewise.
3972 (solaris_pragma_fini): Likewise.
3974 2010-02-19 Jakub Jelinek <jakub@redhat.com>
3976 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
3977 Use XCNEW instead of xcalloc.
3978 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
3979 XNEW instead of xmalloc.
3980 (get_fields): Use XNEWVEC instead of xmalloc.
3983 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
3984 populate vars array.
3985 (create_new_general_access): For debug stmts just reset value.
3986 (get_stmt_accesses): For accesses within debug stmts just record them
3987 using add_access_to_acc_sites instead of preventing the peeling or
3988 counting them as accesses.
3991 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
3993 2010-02-19 Richard Guenther <rguenther@suse.de>
3995 PR tree-optimization/42916
3996 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
3999 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
4001 * configure.ac: Replace all uses of changequote in macro arguments
4002 with proper quoting.
4004 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4007 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
4009 2010-02-19 Richard Guenther <rguenther@suse.de>
4011 PR tree-optimization/42944
4012 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
4013 test for aliasing with errno.
4015 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4018 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
4019 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
4020 * dojump.c: Include output.h.
4021 (inv): New inline function.
4022 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
4023 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
4024 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
4025 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
4026 argument, pass it down to other calls.
4027 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
4028 add REG_BR_PROB note to the conditional jump.
4029 * cfgexpand.c (add_reg_br_prob_note): Removed.
4030 (expand_gimple_cond): Don't call it, add the probability
4031 as last argument to jumpif_1/jumpifnot_1.
4032 * Makefile.in (dojump.o): Depend on output.h.
4033 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
4035 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
4036 * stmt.c (do_jump_if_equal): Likewise.
4037 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
4038 * loop-unswitch.c (compare_and_jump_seq): Likewise.
4039 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
4041 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
4042 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
4043 jumpifnot_1 callers.
4044 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
4046 (store_expr): Adjust jumpifnot caller.
4047 (store_constructor): Adjust jumpif caller.
4050 * gimplify.c (gimple_boolify): For