1 2010-04-16 Richard Guenther <rguenther@suse.de>
3 * tree.h (struct tree_decl_minimal): Move pt_uid ...
4 (struct tree_decl_common): ... here.
6 (SET_DECL_PT_UID): Likewise.
7 (DECL_PT_UID_SET_P): Likewise.
9 2010-04-16 Richard Guenther <rguenther@suse.de>
11 PR tree-optimization/43572
12 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
13 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
14 * tree-flow.h (is_call_clobbered): Remove.
15 * tree-flow-inline.h (is_call_clobbered): Likewise.
16 * tree-dfa.c (dump_variable): Do not dump call clobber state.
17 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
18 (execute_return_slot_opt): Adjust.
19 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
20 check for call clobbered vars here.
21 (find_tail_calls): Move tailcall verification to the
24 2010-04-16 Diego Novillo <dnovillo@google.com>
26 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings
29 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
32 * config/arm/arm.md (cbranchqi4): New pattern.
33 * config/arm/predicates.md (const0_operand,
34 cbranchqi4_comparison_operator): New predicates.
36 2010-04-16 Richard Guenther <rguenther@suse.de>
38 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
39 (dump_gimple_stmt): Likewise.
41 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
43 * recog.h (struct recog_data): New field is_operator.
44 (struct insn_operand_data): New field is_operator.
45 * recog.c (extract_insn): Set recog_data.is_operator.
46 * genoutput.c (output_operand_data): Emit code to set the
48 * reload.c (find_reloads): Use it rather than testing for an
49 empty constraint string.
52 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
53 If the previous insn is a cbranchsi4_insn with the same arguments,
54 omit the compare instruction.
56 * config/arm/arm.md (addsi3_cbranch): If destination is a high
57 register, inputs must be low registers and we need a low register
58 scratch. Handle alternative 2 like alternative 3.
60 2010-04-16 Jakub Jelinek <jakub@redhat.com>
62 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
63 don't call get_addr on both. If one expression is a VALUE and
64 the other a REG, check VALUE's locs if the REG isn't among them.
66 2010-04-16 Christian Bruel <christian.bruel@st.com>
68 * config/sh/sh.h (sh_frame_pointer_required): New function.
69 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
70 (flag_omit_frame_pointer) Set.
71 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
72 (rounded_frame_size): Adjust size with outgoing_args_size.
73 (sh_set_return_address): Must return from stack pointer.
74 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
75 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
76 (ACCUMULATE_OUTGOING_ARGS): Define.
77 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
78 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
80 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
83 * config/sh/sh.c (sh_legitimize_reload_address): Use
84 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
85 Remove a unneeded check for offset_base.
87 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
89 * configure: Regenerated.
91 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
93 * config/s390/s390.c (s390_call_save_register_used): Switch back
96 2010-04-15 Richard Guenther <rguenther@suse.de>
98 * alias.c (alias_set_subset_of): Handle alias-set zero
101 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
102 Julian Brown <julian@codesourcery.com>
104 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
105 alternatives according to use of high and low regs.
106 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
107 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
108 optimizing for size on Thumb-2.
110 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
112 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
114 2010-04-15 Richard Guenther <rguenther@suse.de>
116 * tree-ssa-structalias.c (struct variable_info): Add
118 (new_var_info): Initialize it.
119 (dump_constraints): Support printing last added constraints.
120 (debug_constraints): Adjust.
121 (dump_constraint_graph): Likewise.
122 (make_heapvar_for): Check for NULL cfun.
123 (get_function_part_constraint): New function.
124 (get_fi_for_callee): Likewise.
125 (find_func_aliases): Properly implement IPA PTA constraints.
126 (process_ipa_clobber): New function.
127 (find_func_clobbers): Likewise.
128 (insert_into_field_list_sorted): Remove.
129 (create_function_info_for): Properly allocate vars for IPA mode.
130 Do not use insert_into_field_list_sorted.
131 (create_variable_info_for): Properly generate constraints for
132 global vars in IPA mode.
133 (dump_solution_for_var): Always dump the solution.
134 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
135 (find_what_var_points_to): Adjust.
136 (pt_solution_set): Change.
137 (pt_solution_ior_into): New function.
138 (pt_solution_empty_p): Export.
139 (pt_solution_includes_global): Adjust.
140 (pt_solution_includes_1): Likewise.
141 (pt_solutions_intersect_1): Likewise.
142 (dump_sa_points_to_info): Check some invariants.
143 (solve_constraints): Move constraint dumping ...
144 (compute_points_to_sets): ... here.
145 (ipa_pta_execute): ... and here.
146 (compute_may_aliases): Do not re-compute points-to info
147 locally if IPA info is available.
148 (ipa_escaped_pt): New global var.
149 (ipa_pta_execute): Properly implement IPA PTA.
150 * tree-into-ssa.c (dump_decl_set): Support dumping
151 decls not in referenced-vars.
152 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
153 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
154 (dump_points_to_solution): Likewise.
155 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
156 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
157 (remap_gimple_stmt): Reset call clobber/use information if
159 (copy_decl_to_var): Copy DECL_PT_UID.
160 (copy_result_decl_to_var): Likewise.
161 * tree.c (make_node_stat): Initialize DECL_PT_UID.
162 (copy_node_stat): Copy it.
163 * tree.h (DECL_PT_UID): New macro.
164 (SET_DECL_PT_UID): Likewise.
165 (DECL_PT_UID_SET_P): Likewise.
166 (struct tree_decl_minimal): Add pt_uid member.
167 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
168 (pt_solution_empty_p): Declare.
169 (pt_solution_set): Adjust.
170 (ipa_escaped_pt): Declare.
171 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
172 * gimple-pretty-print.c (pp_points_to_solution): New function.
173 (dump_gimple_call): Dump call clobber/use information.
174 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
175 * tree-pass.h (TDF_ALIAS): New dump option.
176 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
177 * doc/invoke.texi (-fipa-pta): Update documentation.
179 2010-04-15 Richard Guenther <rguenther@suse.de>
181 * Makefile.in (OBJS-common): Add gimple-fold.o.
182 (gimple-fold.o): New rule.
183 * tree.h (maybe_fold_offset_to_reference,
184 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
186 * gimple.h: ... here.
187 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
188 may_propagate_address_into_dereference): Move prototypes ...
189 * gimple.h: ... here.
190 * tree-ssa-ccp.c (get_symbol_constant_value,
191 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
192 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
193 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
194 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
195 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
196 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
197 gimplify_and_update_call_from_tree): Move ...
198 * gimple-fold.c: ... here. New file.
199 (ccp_fold_builtin): Rename to ...
200 (gimple_fold_builtin): ... this.
201 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
203 2010-04-15 Richard Guenther <rguenther@suse.de>
205 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
206 fit_double_type, force_fit_type_double, add_double_with_sign,
207 neg_double, mul_double_with_sign, lshift_double, rshift_double,
208 lrotate_double, rrotate_double, div_and_round_double): Move ...
209 * double-int.c: ... here.
210 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
211 add_double, neg_double, mul_double_with_sign, mul_double,
212 lshift_double, rshift_double, lrotate_double, rrotate_double,
213 div_and_round_double): Move prototypes ...
214 * double-int.h: ... here.
216 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
219 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
220 matching constraints to ensure inputs match the output.
222 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
225 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
226 in an input-only operand.
228 2010-04-15 Anatoly Sokolov <aesok@post.ru>
230 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
231 (double_int_not, double_int_lshift, double_int_rshift): Declare.
232 (double_int_negative_p): Convert to static inline function.
233 * double-int.c (double_int_lshift, double_int_lshift): Add new function.
234 (double_int_negative_p): Remove.
235 * tree.h (lshift_double, rshift_double):
236 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
237 * fold-const.c (fold_convert_const_int_from_real,
238 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
239 (lshift_double): Change type of arith argument to bool.
240 (rshift_double): Change type of arith argument to bool. Correct
242 * expmed.c (mask_rtx, lshift_value): (Ditto.).
244 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
247 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
248 at the start and end of the then/else blocks, and omit them from the
250 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
251 argument; all callers changed. Pass zero to old_insns_match_p instead.
252 (flow_find_head_matching_sequence): New function.
253 (old_insns_match_p): Check REG_EH_REGION notes for calls.
254 * basic-block.h (flow_find_cross_jump,
255 flow_find_head_matching_sequence): Declare functions.
257 2010-04-14 Jason Merrill <jason@redhat.com>
260 * c-common.c (attribute_takes_identifier_p): New fn.
261 * c-common.h: Declare it.
263 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
265 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
267 (*udivmod<mode>4): Ditto.
269 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
271 * config/i386/i386.md (maxmin_int): Rename code attribute from
272 maxminiprefix and update all users.
273 (maxmin_float): Ditto from maxminfprefix.
274 (logic): Ditto from logicprefix.
275 (absneg_mnemonic): Ditto from absnegprefix.
276 * config/i386/mmx.md: Update all users of maxminiprefix,
277 maxminfprefix and loficprefix for rename.
278 * config/i386/sse.md: Ditto.
279 * config/i386/sync.md (sync_<code><mode>): Update for
282 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
285 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
286 warnings converted to errors.
288 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
290 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
291 used insn_type variable.
292 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
293 to avoid set-but-not-used warning.
295 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
297 * df-core.c (df_ref_debug): Change format string placeholder
299 * dwarf2asm.c (dw2_asm_output_data_raw,
300 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
301 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
302 * dwarf2out.c (output_cfi, output_cfi_directive,
303 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
304 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
306 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
307 * print-rtl.c (print_rtx): Ditto.
309 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
312 * builtins.c (expand_builtin_pow_root): New function to expand pow
313 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
314 series of sqrt and cbrt calls under -ffast-math.
315 (expand_builtin_pow): Call it.
317 2010-04-14 Michael Matz <matz@suse.de>
319 PR tree-optimization/42963
320 * tree-cfg.c (touched_switch_bbs): New static variable.
321 (group_case_labels_stmt): New function broken out from ...
322 (group_case_labels): ... here, use the above.
323 (start_recording_case_labels): Allocate touched_switch_bbs.
324 (end_recording_case_labels): Deallocate it, call
325 group_case_labels_stmt.
326 (gimple_redirect_edge_and_branch): Remember index of affected BB.
328 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
330 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
333 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
335 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
337 2010-04-13 Jan Hubicka <jh@suse.cz>
339 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
340 of optimized out static functions.
341 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
342 cost computation. Also sanity check for overflows.
343 (update_caller_keys): Update cgraph_edge_badness call; properly
344 update fibheap and sanity check that it is up to date.
345 (add_new_edges_to_heap): Update cgraph_edge_badness.
346 (cgraph_decide_inlining_of_small_function): Likewise;
347 add sanity checking that badness in heap is up to date;
348 improve dumping of reason; Update badness of calls to the
349 offline copy of function currently inlined; dump badness
350 of functions not inlined because of unit growth limits.
352 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
355 * c-common.c (pointer_int_sum): Disregard overflow that occured only
356 because of sign-extension change when converting to sizetype here...
357 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
359 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
360 the folding to constants. Remove redundant final conversion.
361 (fold_binary) <associate>: Do not associate if the re-association of
362 constants alone overflows.
363 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
364 to the end of the list.
365 (multiple_of_p) <COND_EXPR>: New case.
367 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
369 * opt-functions.awk (opt_sanitized_name): New.
371 * optc-gen.awk: Use it
372 * opth-gen.awk: Use it.
374 2010-04-13 Martin Jambor <mjambor@suse.cz>
376 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
377 (sra_modify_assign): Delete stmts loading dead data even if racc has no
378 children. Call replace_uses_with_default_def_ssa_name to handle
381 2010-04-13 Michael Matz <matz@suse.de>
384 * builtins.c (expand_builtin_interclass_mathfn): Also create
385 a register if the predicate doesn't match.
387 2010-04-13 Diego Novillo <dnovillo@google.com>
389 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
390 * c-pch.c: Include timevar.h.
391 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
392 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
393 * ggc-common.c: Include timevar.h.
394 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
395 * timevar.def (TV_PCH_SAVE): Define.
396 (TV_PCH_CPP_SAVE): Define.
397 (TV_PCH_PTR_REALLOC): Define.
398 (TV_PCH_PTR_SORT): Define.
399 (TV_PCH_RESTORE): Define.
400 (TV_PCH_CPP_RESTORE): Define.
402 2010-04-13 Michael Matz <matz@suse.de>
404 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
406 (can_reassociate_p): New function.
407 (break_up_subtract_bb, reassociate_bb): Use it.
409 2010-04-13 Richard Guenther <rguenther@suse.de>
412 * builtins.c (c_readstr): Fix assert.
414 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
416 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
417 when generating cltd insn.
419 (*ashl<mode>3_1): Remove special handling for register operand 2.
420 (*ashlsi3_1_zext): Ditto.
422 (*ashlhi3_1_lea): Ditto.
424 (*ashlqi3_1_lea): Ditto.
425 (*<shiftrt_insn><mode>3_1): Ditto.
426 (*<shiftrt_insn>si3_1_zext): Ditto.
427 (*<shiftrt_insn>qi3_1_slp): Ditto.
428 (*<rotate_insn><mode>3_1): Ditto.
429 (*<rotate_insn>si3_1_zext): Ditto.
430 (*<rotate_insn>qi3_1_slp): Ditto.
432 2010-04-13 Richard Guenther <rguenther@suse.de>
434 * tree-ssa-structalias.c (callused_id): Remove.
435 (call_stmt_vars): New.
436 (get_call_vi): Likewise.
437 (lookup_call_use_vi): Likewise.
438 (lookup_call_clobber_vi): Likewise.
439 (get_call_use_vi): Likewise.
440 (get_call_clobber_vi): Likewise.
441 (make_transitive_closure_constraints): Likewise.
442 (handle_const_call): Adjust to do per-call call-used handling.
443 (handle_pure_call): Likewise.
444 (find_what_var_points_to): Remove general callused handling.
445 (init_base_vars): Likewise.
446 (init_alias_vars): Initialize call_stmt_vars.
447 (compute_points_to_sets): Process call-used and call-clobbered
448 vars for call statements.
449 (delete_points_to_sets): Free call_stmt_vars.
451 2010-04-13 Richard Guenther <rguenther@suse.de>
453 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
454 Only add RW dependence for dependence distance zero.
455 Adjust maximal vectorization factor according to dependences.
456 Move alignment handling ...
457 (vect_find_same_alignment_drs): ... here. New function.
458 (vect_analyze_data_ref_dependences): Adjust.
459 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
460 (vect_analyze_data_refs): Adjust minimal vectorization factor
461 according to data references.
462 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
463 dependences before determining the vectorization factor.
464 Analyze alignment after determining the vectorization factor.
465 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
466 dependences before alignment.
467 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
469 (vect_analyze_data_refs): Likewise.
470 (MAX_VECTORIZATION_FACTOR): New define.
472 2010-04-13 Duncan Sands <baldrick@free.fr>
474 * except.h (lang_eh_type_covers): Remove.
475 * except.c (lang_eh_type_covers): Likewise.
477 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
478 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
480 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
481 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
482 UNITS_PER_LONG where it is ABI relevant.
483 (s390_return_addr_rtx): Likewise.
484 (s390_back_chain_rtx): Likewise.
485 (s390_frame_area): Likewise.
486 (s390_frame_info): Likewise.
487 (s390_initial_elimination_offset): Likewise.
488 (save_gprs): Likewise.
489 (s390_emit_prologue): Likewise.
490 (s390_emit_epilogue): Likewise.
491 (s390_function_arg_advance): Likewise.
492 (s390_function_arg): Likewise.
493 (s390_va_start): Likewise.
494 (s390_gimplify_va_arg): Likewise.
495 (s390_function_profiler): Likewise.
496 (s390_optimize_prologue): Likewise.
497 (s390_rtx_costs): Likewise.
498 (s390_secondary_reload): Likewise.
499 (s390_promote_function_mode): Likewise.
500 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
501 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
503 (s390_unwind_word_mode): New function.
504 (s390_function_value): Split 64 bit values into register pair if
505 used as return value.
506 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
507 function call parameters. Handle parallels.
508 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
509 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
510 (DWARF_CIE_DATA_ALIGNMENT): New macro.
511 (s390_expand_setmem): Remove unused variable src_addr.
512 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
513 deal with 64 bit registers.
514 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
515 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
516 (UNITS_PER_LONG): New macro.
517 * libjava/include/s390-signal.h: Define extended ucontext
518 structure containing the upper halfs of the 64 bit registers.
520 2010-04-13 Simon Baldwin <simonb@google.com>
522 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
524 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
526 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
527 rvalue on the RHS if the LHS is of a non-renamable type.
528 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
530 2010-04-13 Matthias Klose <doko@ubuntu.com>
532 * gcc.c (cc1_options): Handle -iplugindir before processing
533 the cc1 spec. Only add -iplugindir once.
534 (cpp_unique_options): Add -iplugindir option if -fplugin* options
536 * common.opt (iplugindir): Remove `Separate' property, initialize.
537 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
539 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
540 (distclean): Remove plugin dir.
541 * doc/invoke.texi: Document -iplugindir.
543 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
545 * doc/plugins.texi (Loading Plugins): Document short
547 (Plugin API): Mention default_plugin_dir_name function.
549 * gcc.c (find_file_spec_function): Add new declaration.
550 (static_spec_func): Use it for "find-file".
551 (find_file_spec_function): Add new function.
552 (cc1_options): Add -iplugindir option if -fplugin* options found.
554 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
556 * plugin.c (add_new_plugin): Updated comment, and handle short
558 (default_plugin_dir_name): Added new function.
560 * common.opt (iplugindir): New option to set the plugin directory.
562 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
564 * config/i386/i386.md (any_rotate): New code iterator.
565 (rotate_insn): New code attribute.
567 (SWIM124): New mode iterator.
568 (<rotate_insn>ti3): New expander.
569 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
570 any_rotate code iterator.
571 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
572 using any_rotate code iterator and SWIM124 mode iterator.
573 (ix86_rotlti3): New insn_and_split pattern.
574 (ix86_rotrti3): Ditto.
575 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
576 ix86_rotl{di,ti}3 patterns.
577 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
578 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
579 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
580 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
581 code iterator and SWI mode iterator.
582 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
583 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
585 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
586 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
587 (bswap rotatert splitter): Add splitter.
588 (bswap splitter): Macroize splitter using any_rotate code iterator.
589 Add insn predicate to split only for TARGET_USE_XCHGB or when
590 optimizing function for size.
592 2010-04-12 Steve Ellcey <sje@cup.hp.com>
594 * config/pa/pa.c (emit_move_sequence): Remove use of
595 deleted variable flag_argument_noalias.
597 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
599 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
601 Add to unsupported targets list.
602 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
603 sparc*-sun-solaris2.[567]* from target lists.
604 * configure: Regenerate.
605 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
607 Remove Solaris 7 patch references.
608 (Specific, sparc-sun-solaris2.7): Removed.
609 (sparc-sun-solaris2*): Update Solaris 7 example.
610 (sparc64-*-solaris2*): Likewise.
612 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
614 * config.build (alpha*-dec-osf4*): Remove.
615 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
616 of obsolete configurations.
617 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
619 * config/alpha/t-osf4: Renamed to ...
620 * config/alpha/t-osf5: ... this.
621 * config/alpha/osf.h: Renamed to ...
622 * config/alpha/osf5.h: ... this.
623 Merged old osf5.h contents.
625 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
626 (EXTRA_SPECS): Removed.
627 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
628 reflect removal of Tru64 UNIX V4.0/V5.0 support.
631 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
633 * doc/contrib.texi (Contributors, Rainer Orth): Update.
635 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
638 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
639 __thiscall convention.
641 2010-04-12 Steve Ellcey <sje@cup.hp.com>
643 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
645 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
647 2010-04-12 Steve Ellcey <sje@cup.hp.com>
649 * function.c (assign_parms_initialize_all): Add unused attribute
652 2010-04-12 Richard Guenther <rguenther@suse.de>
654 * gsstruct.def (GSS_CALL): New.
655 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
656 * gimple.h: Include tree-ssa-alias.h.
657 (struct gimple_statement_call): New.
658 (union gimple_statement_struct_d): Add gimple_call member.
659 (gimple_call_reset_alias_info): Declare.
660 (gimple_call_use_set): New function.
661 (gimple_call_clobber_set): Likewise.
662 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
663 * gimple.c (gimple_call_reset_alias_info): New function.
664 (gimple_build_call_1): Call it.
665 * lto-streamer-in.c (input_gimple_stmt): Likewise.
666 * tree-inline.c (remap_gimple_stmt): Likewise.
667 (expand_call_inline): Remove callused handling.
668 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
669 * tree-dfa.c (dump_variable): Likewise.
670 * tree-parloops.c (parallelize_loops): Likewise.
671 * tree-ssa.c (init_tree_ssa): Likewise.
672 (delete_tree_ssa): Likewise.
673 * tree-flow-inline.h (is_call_used): Remove.
674 * tree-flow.h (struct gimple_df): Remove callused member.
675 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
676 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
677 (ref_maybe_used_by_call_p_1): Simplify.
678 (call_may_clobber_ref_p_1): Likewise.
679 * tree-ssa-structalias.c (compute_points_to_sets): Set
680 the call stmt used and clobbered sets.
681 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
682 (find_tail_calls): Verify the tail call.
684 2010-04-12 Richard Guenther <rguenther@suse.de>
686 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
687 single-iteration always-inline inlining.
688 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
689 (cgraph_decide_inlining): Do not handle always-inline specially.
690 (try_inline): Remove always-inline cycle detection special case.
691 Do not recurse on always-inlines.
692 (cgraph_early_inlining): Do not iterate if not optimizing.
693 (cgraph_gate_early_inlining): remove.
694 (pass_early_inline): Run unconditionally.
695 (gate_cgraph_decide_inlining): New function.
696 (pass_ipa_inline): Use it. Do not run the IPA inliner if
697 not inlining or optimizing.
698 (cgraph_decide_inlining_of_small_functions): Also consider
699 always-inline functions.
700 (cgraph_default_inline_p): Return true for nodes which should
701 disregard inline limits.
702 (estimate_function_body_sizes): Assume zero size and time for
703 nodes which are marked as disregarding inline limits.
704 (cgraph_decide_recursive_inlining): Do not perform recursive
705 inlining on always-inline nodes.
707 2010-04-12 Jakub Jelinek <jakub@redhat.com>
710 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
711 for exprs satisfying handled_component_p.
713 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
715 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
716 non-constant aggregate elements.
718 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
719 is a real initialization.
721 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
724 * c-decl.c (start_function): Move forward check for nested function.
726 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
728 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
729 * config/sh/sh.c: Include reload.h.
730 (sh_legitimize_reload_address): New.
731 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
732 sh_legitimize_reload_address.
734 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
736 * config/sh/sh.md (*movqi_pop): New insn pattern.
737 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
739 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
741 * config/i386/i386.md (any_shiftrt): New code iterator.
742 (shiftrt_insn): New code attribute.
744 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
745 using any_shiftrt code iterator.
746 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
747 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
748 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
749 pattern from corresponding peephole2 patterns.
750 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
751 using any_shiftrt code iterator.
752 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
753 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
754 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
755 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
756 *{ashr,lshr}<mode>3_cmp_zext.
757 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
759 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
761 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
763 (*lshr<mode>3_cconly): Ditto.
765 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
767 * config/i386/i386.md (lshr<mode>3): Macroize expander from
768 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
769 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
770 pattern from *lshr{di,ti}3_1 and corresponding splitters using
772 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
773 from corresponding peephole2 patterns.
774 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
775 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
776 and *lshrdi3_1_rex64 using SWI mode iterator.
777 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
778 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
779 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
780 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
781 and *lshrdi3_cmp_rex64 using SWI mode iterator.
782 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
783 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
784 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
785 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
788 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
790 * config/i386/i386.md (ashr<mode>3): Macroize expander from
791 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
792 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
793 pattern from *ashr{di,ti}3_1 and corresponding splitters using
795 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
796 from corresponding peephole2 patterns.
797 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
798 (ashrsi3_cvt): Rename from ashrsi3_31.
799 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
800 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
801 and x86_64_shift_adj_3 using SWI48 mode iterator.
802 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
803 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
804 and *ashrdi3_1_rex64 using SWI mode iterator.
805 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
806 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
807 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
808 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
809 and *ashrdi3_cmp_rex64 using SWI mode iterator.
810 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
811 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
812 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
813 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
815 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
816 * config/i386/i386.c (ix86_split_ashr): Update for renamed
817 x86_shift<mode>_adj_3 expanders.
819 2010-04-10 Wei Guozhi <carrot@google.com>
822 * config/arm/arm.c (arm_pic_static_addr): New function.
823 (legitimize_pic_address): Call arm_pic_static_addr when it detects
825 (arm_output_addr_const_extra): Output expression for new pattern.
826 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
828 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
830 * ira-costs.c (record_reg_classes): Ignore alternatives that are
833 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
834 * web.c: Include "insn-config.h" and "recog.h".
835 (union_match_dups): New function.
837 (union_defs): Don't try to recognize match_dups.
839 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
840 if doing so would replace the entire pattern.
842 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
846 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
847 and splitter pattern. Change splitter operand 1 predicate to
850 2010-04-09 Martin Jambor <mjambor@suse.cz>
852 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
853 lattices are addresses of CONST_DECLs with the same initial value.
854 (ipcp_print_all_lattices): Print values of CONST_DECLs.
855 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
857 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
858 Bernd Schmidt <bernds@codesourcery.com>
860 * loop-invariant.c (replace_uses): New static function.
861 (move_invariant_reg): Use it to ensure we can replace the uses.
863 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
865 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
867 (picochip_override_options): Enable section anchors only above -O1.
868 (picochip_reorg): Fixed a couple of build warnings.
870 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
872 * configure.ac (plugin -rdynamic test): Log result.
873 * configure: Regenerate.
874 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
875 (RDYNAMIC_SPEC): Define.
876 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
878 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
880 * configure.ac: Determine Sun ld version numbers.
881 (comdat_group): Restrict GNU ld version checks to gld.
882 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
883 (enable_comdat): Support --enable-comdat.
884 * configure: Regenerate.
885 * doc/install.texi (Configuration): Document --enable-comdat.
887 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
889 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
890 * config/sol2-gld.h: ... here.
891 * config.gcc (sparc*-*-solaris2*): Reflect this.
892 (i[34567]86-*-solaris2*): Use it.
894 2010-04-09 Steve Ellcey <sje@cup.hp.com>
896 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
898 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
900 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
903 * diagnostic.c (diagnostic_initialize): Initialize
904 some_warnings_are_errors.
905 (diagnostic_finish): New.
906 (diagnostic_action_after_output): Call it before exiting.
907 (diagnostic_report_diagnostic): Do not print message here. Set
908 some_warnings_are_errors.
909 * diagnostic.h (diagnostic_context): Delete
910 issue_warnings_are_errors_message. Add some_warnings_are_errors.
911 (diagnostic_finish): Declare.
912 * toplev.c (toplev_main): Call it before exit.
914 2010-04-09 Jason Merrill <jason@redhat.com>
917 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
921 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
922 based on a warning flag.
924 2010-04-09 Richard Guenther <rguenther@suse.de>
926 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
928 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
931 * varasm.c (default_assemble_visibility): Wrap vars that are
932 set, but unused, by targets without GAS.
933 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
934 Remove set, but unused, vars.
935 (rs6000_legitimize_tls_address): Likewise.
936 (altivec_expand_dst_builtin): Likewise.
937 * config/darwin.c (machopic_classify_symbol): Likewise.
938 (machopic_indirection_name): Likewise.
940 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
942 * config/i386/i386.md (DWI): New mode iterator.
943 (S): New mode attribute.
944 (shift_operand): Ditto.
945 (shift_immediate_operand): Ditto.
946 (ashl_input_operand): Ditto.
947 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
948 using SDWIM mode iterator.
949 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
950 pattern from *ashl{di,ti}3_1 and corresponding splitters using
952 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
953 from corresponding peephole2 patterns.
954 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
955 and x86_64_shift_adj_1 using SWI48 mode iterator.
956 (x86_shift<mode>_adj_2): Ditto.
957 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
958 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
959 using SWI48 mode iterator.
960 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
961 *ashldi3_cmp_rex64 using SWI mode iterator.
962 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
963 *ashldi3_cconly_rex64 using SWI mode iterator.
964 * config/i386/i386.c (ix86_split_ashl): Update for renamed
965 x86_shift<mode>_adj_{1,2}.
966 (ix86_split_ashr): Ditto.
967 (ix86_split_lshr): Ditto.
969 2010-04-09 Richard Guenther <rguenther@suse.de>
971 * target.h (builtin_conversion): Pass in input and output types.
972 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
973 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
974 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
975 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
977 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
979 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
981 2010-04-09 Richard Guenther <rguenther@suse.de>
984 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
986 2010-04-09 Richard Guenther <rguenther@suse.de>
988 * tree-vectorizer.h (struct _stmt_vec_info): Document
989 that vectype is the type of the LHS.
990 (supportable_widening_operation, supportable_narrowing_operation):
991 Get both input and output vector types as arguments.
992 (vect_is_simple_use_1): Declare.
993 (get_same_sized_vectype): Likewise.
994 * tree-vect-loop.c (vect_determine_vectorization_factor):
995 Set STMT_VINFO_VECTYPE to the vector type of the def.
996 (vectorizable_reduction): Adjust.
997 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
998 Adjust. Specify the output vector type.
999 (vect_pattern_recog_1): Adjust.
1000 * tree-vect-stmts.c (get_same_sized_vectype): New function.
1001 (vectorizable_call): Adjust.
1002 (vectorizable_conversion): Likewise.
1003 (vectorizable_operation): Likewise.
1004 (vectorizable_type_demotion): Likewise.
1005 (vectorizable_type_promotion): Likewise.
1006 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1008 (vect_is_simple_use_1): New function.
1009 (supportable_widening_operation): Get both input and output
1011 (supportable_narrowing_operation): Likewise.
1012 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
1014 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
1016 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
1017 __thiscall and _thiscall as predefined macros.
1018 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
1019 thiscall attribute handling.
1020 (ix86_comp_type_attributes): Likewise.
1021 (ix86_function_regparm): Likewise.
1022 (ix86_return_pops_args): Likewise.
1023 (init_cumulative_args): Likewise.
1024 (find_drap_reg): Likewise.
1025 (ix86_static_chain): Likewise.
1026 (x86_this_parameter): Likewise.
1027 (x86_output_mi_thunk): Likewise.
1028 (ix86_attribute_table): Add description for thiscall attribute.
1029 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
1030 * doc/extend.texi: Add documentation for thiscall.
1032 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1035 * c.opt (Wint-to-pointer-cast): Available in C++.
1036 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
1038 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
1040 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
1041 * calls.c (expand_call): Pass the function type to aggregate_value_p.
1042 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
1043 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
1044 function type instead. Reorder and simplify checks.
1046 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
1048 2010-04-08 Jing Yu <jingyu@google.com>
1049 Zdenek Dvorak <ook@ucw.cz>
1051 PR tree-optimization/42720
1052 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
1053 loop unswitch conditions here from ...
1054 (tree_unswitch_single_loop): ... here.
1056 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
1058 * tree-if-conv.c: Fix comments and simplify logic.
1060 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
1062 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
1063 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
1064 (main_tree_if_conversion): Update call to tree_if_conversion.
1066 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
1069 * doc/invoke.texi (-b,-V): Delete.
1070 * doc/tm.texi: Do not mention -b.
1071 * gcc.c (display_help): Delete -b and -V.
1072 (process_command): Delete -b and -V.
1073 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
1075 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
1076 Wolfgang Gellerich <gellerich@de.ibm.com>
1078 Implement target hook for loop unrolling
1079 * target.h (loop_unroll_adjust): Add a new target hook function.
1080 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
1081 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
1082 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
1083 (s390_loop_unroll_adjust): Implement the new target hook for s390.
1084 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
1086 (decide_unroll_stupid): Likewise.
1088 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1091 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
1093 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1095 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
1096 (Specific, *-*-solaris2*): Likewise.
1097 Don't prefer Sun as over GNU as.
1099 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
1101 * config/s390/s390.c (override_options): Adjust the z10
1102 defaults for max-unroll-times, max-completely-peeled-insns
1103 and max-completely-peel-times.
1105 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1107 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
1108 instructions for z10.
1109 (s390_expand_setmem): Likewise.
1110 (s390_expand_cmpmem): Likewise.
1112 2010-04-08 Richard Guenther <rguenther@suse.de>
1114 PR tree-optimization/43679
1115 * tree-ssa-pre.c (eliminate): Only propagate copies.
1117 2010-04-08 Jakub Jelinek <jakub@redhat.com>
1120 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
1121 set but not used variable warning.
1123 2010-04-08 Wei Guozhi <carrot@google.com>
1126 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
1127 (arm_size_rtx_costs): Call the new function when optimized for size.
1129 2010-04-08 Jakub Jelinek <jakub@redhat.com>
1132 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
1133 op0 is not a MEM, just return NULL instead of assertion
1135 (discover_nonconstant_array_refs): Don't walk debug stmts.
1137 2010-04-08 Doug Kwan <dougkwan@google.com>
1139 * configure.ac: Recognize gold and do not use its version number
1140 to test ld features.
1141 * configure: Regenerate.
1143 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
1146 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
1147 (negate_value): Move code to push elements to broken_up_substracts ...
1148 (eliminate_plus_minus_pair): ... here. Push operands that have no
1149 negative pair to plus_negates.
1150 (repropagate_negates, init_reassoc, fini_reassoc): Update.
1152 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1154 * doc/install.texi (Configuration): Move description of
1155 --enable-lto, --with-libelf*, --enable-gold from Java section to
1158 * doc/generic.texi (Working with declarations)
1159 (Function Properties, C and C++ Trees): Fix typos.
1160 * doc/sourcebuild.texi (Top Level): Likewise.
1162 2010-04-07 Jakub Jelinek <jakub@redhat.com>
1165 * tree.h (DECL_READ_P): Define.
1166 (struct tree_decl_common): Add decl_read_flag.
1167 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
1168 a set but not used warning.
1169 (merge_decls): Merge DECL_READ_P flag.
1170 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
1171 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
1172 * c-common.c (handle_used_attribute, handle_unused_attribute):
1174 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
1176 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
1178 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
1179 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
1180 c_parser_binary_expression, c_parser_cast_expression,
1181 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
1182 Call default_function_array_read_conversion instead of
1183 default_function_array_conversion where needed.
1184 (c_parser_unary_expression, c_parser_conditional_expression,
1185 c_parser_postfix_expression_after_primary, c_parser_initelt):
1186 Likewise. Call mark_exp_read where needed.
1187 (c_parser_statement_after_labels, c_parser_asm_operands,
1188 c_parser_typeof_specifier, c_parser_sizeof_expression,
1189 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
1191 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
1193 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
1194 (warn_unused_but_set_parameter): Default to warn_unused
1196 * doc/invoke.texi: Document -Wunused-but-set-variable and
1197 -Wunused-but-set-parameter.
1199 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
1200 used count variable.
1201 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
1202 when operandN variables aren't used in the body of the expander
1204 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
1205 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
1206 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
1207 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
1208 FOR_EACH_IMM_USE_ON_STMT): Likewise.
1209 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
1210 * tree.c (PROCESS_ARG): Likewise.
1212 2010-04-07 Simon Baldwin <simonb@google.com>
1214 * diagnostic.h (diagnostic_override_option_index): New macro to
1215 set a diagnostic's option_index.
1216 * c-tree.h (c_cpp_error): Add warning reason argument.
1217 * opts.c (_warning_as_error_callback): New.
1218 (register_warning_as_error_callback): Store callback for
1219 warnings enabled via enable_warning_as_error.
1220 (enable_warning_as_error): Call callback, minor code tidy.
1221 * opts.h (register_warning_as_error_callback): Declare.
1222 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
1223 response to -Werror=.
1224 (c_common_init_options): Register warning_as_error_callback in opts.c.
1225 * common.opt: Add -Wno-cpp option.
1226 * c-common.c (struct reason_option_codes_t): Map cpp warning
1227 reason codes to gcc option indexes.
1228 * (c_option_controlling_cpp_error): New function, lookup the gcc
1229 option index for a cpp warning reason code.
1230 * (c_cpp_error): Add warning reason argument, call
1231 c_option_controlling_cpp_error for diagnostic_override_option_index.
1232 * doc/invoke.texi: Document -Wno-cpp.
1234 2010-04-07 Richard Guenther <rguenther@suse.de>
1236 * ipa-reference.c (mark_load): Use get_base_address.
1237 (mark_store): Likewise.
1239 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
1240 inserting GIMPLE_NOPs into the IL.
1241 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1242 Explicitly strip handled components and indirect references.
1244 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
1245 folding address expressions.
1246 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
1247 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
1248 operand_equal_p to compare decls.
1249 (ptr_deref_may_alias_decl_p): Likewise.
1250 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
1251 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
1252 Handle reversed comparison ops.
1253 * tree-sra.c (asm_visit_addr): Use get_base_address.
1254 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
1255 * ipa-reference.c (mark_address): Use get_base_address.
1257 2010-04-07 Richard Guenther <rguenther@suse.de>
1259 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
1260 Propagate constants everywhere.
1262 2010-04-07 Jakub Jelinek <jakub@redhat.com>
1265 * tree.c (MAX_INT_CACHED_PREC): Define.
1266 (nonstandard_integer_type_cache): New array.
1267 (build_nonstandard_integer_type): Cache results for precision
1268 <= MAX_INT_CACHED_PREC.
1270 2010-04-07 Richard Guenther <rguenther@suse.de>
1272 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
1273 -fargument-noalias-global, -fargument-noalias-anything): Remove.
1274 * common.opt: Likewise.
1275 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
1276 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
1277 (nonoverlapping_memrefs_p): Likewise.
1278 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1279 * opts.c (common_handle_option): Handle OPT_fargument_alias,
1280 OPT_fargument_noalias, OPT_fargument_noalias_anything and
1281 OPT_fargument_noalias_global for backward compatibility.
1283 2010-04-07 Richard Guenther <rguenther@suse.de>
1285 PR tree-optimization/43270
1286 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
1287 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
1288 * tree-ssa-pre.c (phi_translate_1): Adjust.
1289 (fully_constant_expression): Split out vn_reference handling to ...
1290 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
1291 Fold reads from constant strings.
1292 (vn_reference_lookup): Handle fully constant references.
1293 (vn_reference_lookup_pieces): Likewise.
1294 * Makefile.in (expmed.o-warn): Add -Wno-error.
1296 2010-04-07 Martin Jambor <mjambor@suse.cz>
1298 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
1300 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
1303 * gcc.c: Add -static-libstdc++ to list of recognized options.
1305 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1307 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
1309 2010-04-07 Richard Guenther <rguenther@suse.de>
1312 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
1313 bases build simple mem attributes to retain points-to information.
1315 2010-04-07 Richard Guenther <rguenther@suse.de>
1318 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
1319 preserve points-to related information.
1321 2010-04-07 Richard Guenther <rguenther@suse.de>
1324 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
1325 discard plain indirect references.
1326 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
1327 * tree.c (tree_nop_conversion): Likewise.
1329 2010-04-07 Dodji Seketeli <dodji@redhat.com>
1332 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
1334 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
1336 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
1337 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
1339 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1341 * tree-if-conv.c: Fix indentation and comments.
1343 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1345 * tree-if-conv.c: Sort static functions in topological order.
1347 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1349 * tree-if-conv.c: Fix indentation and comments.
1351 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1354 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1355 lang_hooks.types.type_for_size instead of
1356 build_nonstandard_integer_type.
1357 When converting an unsigned type to signed, double its precision.
1358 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
1359 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
1360 (graphite_create_new_loop_guard): When ub + 1 wraps around,
1363 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1366 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1367 POINTER_PLUS_EXPR for pointer types.
1369 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1372 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
1373 * graphite-clast-to-gimple.c: Include langhooks.h.
1374 (max_signed_precision_type): New.
1375 (max_precision_type): Takes two types as arguments.
1376 (precision_for_value): New.
1377 (precision_for_interval): New.
1378 (gcc_type_for_interval): New.
1379 (gcc_type_for_value): New.
1380 (gcc_type_for_clast_term): New.
1381 (gcc_type_for_clast_red): New.
1382 (gcc_type_for_clast_bin): New.
1383 (gcc_type_for_clast_expr): Split up into several functions.
1384 (gcc_type_for_clast_eq): Rewritten.
1385 (compute_bounds_for_level): New.
1386 (compute_type_for_level_1): New.
1387 (compute_type_for_level): New.
1388 (gcc_type_for_cloog_iv): Removed.
1389 (gcc_type_for_iv_of_clast_loop): Rewritten.
1390 (graphite_create_new_loop): Compute the lower and upper bound types
1391 with gcc_type_for_clast_expr.
1392 (graphite_create_new_loop_guard): Same.
1393 (find_cloog_iv_in_expr): Removed.
1394 (compute_cloog_iv_types_1): Removed.
1395 (compute_cloog_iv_types): Removed.
1396 (gloog): Do not call compute_cloog_iv_types.
1397 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
1399 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
1400 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
1401 (GBB_CLOOG_IV_TYPES): Removed.
1403 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1405 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
1406 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
1407 (detect_commutative_reduction): Same.
1409 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1411 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
1412 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
1414 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
1415 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
1416 (rewrite_commutative_reductions_out_of_ssa): Same.
1417 * passes.c (execute_function_todo): Call verify_ssa for every pass
1418 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
1419 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
1420 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
1421 with an extra argument.
1422 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
1423 verify_ssa only when the extra argument is true.
1424 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
1425 with an extra argument.
1426 (tree_transform_and_unroll_loop): Same.
1428 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1430 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
1431 for all the passes of the LNO having LOOP_CLOSED_SSA.
1432 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
1433 * tree-loop-distribution.c (pass_loop_distribution): Same.
1434 * tree-pass.h (TODO_verify_loops): Removed.
1435 * tree-ssa-loop.c (pass_tree_loop_init): Same.
1437 (pass_tree_unswitch): Same.
1438 (pass_predcom): Same.
1439 (pass_vectorize): Same.
1440 (pass_linear_transform): Same.
1441 (pass_graphite_transforms): Same.
1442 (pass_iv_canon): Same.
1443 (pass_complete_unroll): Same.
1444 (pass_complete_unrolli): Same.
1445 (pass_parallelize_loops): Same.
1446 (pass_loop_prefetch): Same.
1447 (pass_iv_optimize): Same.
1449 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
1452 * passes.c (init_optimization_passes): Move pass_lim before
1453 pass_copy_prop and pass_dce_loop.
1455 2010-04-06 Jakub Jelinek <jakub@redhat.com>
1458 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
1459 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
1460 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
1461 MULTI_* defines for 4 argument vpermil2p* builtins.
1463 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
1465 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
1466 * config/i386/i386.c (x86_maybe_negate_const_int): New.
1467 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
1468 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
1469 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
1470 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
1471 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
1472 Use x86_maybe_negate_const_int to output insn mnemonic.
1473 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
1474 check from instruction predicate. Update comments.
1475 * config/i386/sync.md (sync_add<mode>): Use
1476 x86_maybe_negate_const_int to output insn mnemonic.
1478 2010-04-06 Jan Hubicka <jh@suse.cz>
1480 PR tree-optimization/42906
1481 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
1482 IGNORE_SELF argument. Set visited_control_parents for fully
1484 (find_obviously_necessary_stmts): Update call of
1485 mark_control_dependent_edges_necessary.
1486 (propagate_necessity): Likewise. Handle PHI edges more curefully.
1488 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
1490 * config/i386/i386.md: Remove comment about 'e' and 'E'
1493 2010-04-06 Richard Guenther <rguenther@suse.de>
1495 PR tree-optimization/43627
1496 * tree-vrp.c (extract_range_from_unary_expr): Widenings
1497 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
1500 2010-04-06 Jakub Jelinek <jakub@redhat.com>
1502 * BASE-VER: Change to 4.6.0.
1505 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
1508 2010-04-06 Richard Guenther <rguenther@suse.de>
1511 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
1513 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1515 * doc/invoke.texi (Optimize Options): Document that LTO
1516 won't remove object access purely due to incompatible
1519 2010-04-04 Matthias Klose <doko@ubuntu.com>
1521 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
1522 Initialize variable.
1524 2010-04-03 Richard Guenther <rguenther@suse.de>
1527 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
1528 require a non-NULL MEM_OFFSET.
1530 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
1532 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
1533 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
1534 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
1535 config/alpha/predicates.md, config/arm/arm.md,
1536 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
1537 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
1538 config/darwin9.h, config/darwin.c, config/darwin.h,
1539 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
1540 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
1541 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
1542 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
1543 config/mips/mips.md, config/mn10300/mn10300.c,
1544 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
1545 config/rs6000/aix.h, config/rs6000/dfp.md,
1546 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
1547 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
1548 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
1549 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
1550 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
1551 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
1552 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
1553 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
1554 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
1555 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
1556 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
1557 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
1558 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
1559 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
1560 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
1561 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
1562 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
1563 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
1564 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
1565 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
1566 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
1567 opt-functions.awk, opth-gen.awk, params.def, passes.c,
1568 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
1569 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
1570 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
1571 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
1572 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
1573 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
1574 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
1575 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
1576 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
1577 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
1578 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
1579 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
1580 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
1581 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
1583 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1586 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
1587 * aclocal.m4: Regenerate.
1589 2010-04-02 Richard Guenther <rguenther@suse.de>
1591 PR tree-optimization/43629
1592 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
1593 if we have seen a constant value.
1595 2010-04-02 Joseph Myers <joseph@codesourcery.com>
1597 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
1599 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
1602 * arm.c (legitimize_tls_address): Adjust call to
1603 gen_tls_load_dot_plus_four.
1604 (arm_note_pic_base): New function.
1605 (arm_cannot_copy_insn_p): Use it.
1606 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
1609 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1614 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1616 * Makefile.in ($(out_object_file)): Depend on
1617 gt-$(basename $(notdir $(out_file))).h.
1619 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
1621 * config.gcc (lm32-*-rtems*): Add t-lm32.
1623 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
1625 * config.gcc: Add lm32-*-rtems*.
1626 * config/lm32/rtems.h: New file.
1628 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
1631 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
1633 2010-04-01 Jakub Jelinek <jakub@redhat.com>
1635 * dwarf2out.c (output_compilation_unit_header): For
1636 -gdwarf-4 use version 4 instead of version 3.
1637 (output_line_info): For version 4 and above emit additional
1638 maximum ops per insn header field.
1639 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
1641 * dwarf2out.c (is_c_family, is_java): Remove.
1642 (lower_bound_default): New function.
1643 (add_bound_info, gen_descr_array_type_die): Use it.
1645 2010-04-01 Dodji Seketeli <dodji@redhat.com>
1648 * dwarf2out.c (gen_variable_die): Allow debug info for variable
1649 re-declaration when it happens in a function.
1651 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
1653 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
1654 (cgraph_remove_function_insertion_hook): Same.
1655 (cgraph_call_function_insertion_hooks): Same.
1657 2010-04-01 Richard Guenther <rguenther@suse.de>
1660 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
1661 and TREE_THIS_VOLATILE.
1662 (copy_ref_info): Likewise.
1663 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
1664 * tree.c (build6_stat): Ignore side-effects of all but arg5
1665 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
1668 2010-04-01 Richard Guenther <rguenther@suse.de>
1670 PR tree-optimization/43607
1671 * ipa-type-escape.c (check_call): Do not access non-existing
1674 2010-04-01 Richard Guenther <rguenther@suse.de>
1678 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
1679 Jack Howarth <howarth@bromo.med.uc.edu>
1681 * tree-profile.c (tree_init_ic_make_global_vars): Make static
1684 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1686 * doc/install.texi (Prerequisites): Document libelf usability on
1687 IRIX 5/6 and Solaris 2.
1688 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
1689 Update GNU as, GNU ld requirements.
1690 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
1691 Document Sun Studio compiler download.
1692 Update and simplify as, ld recommendations.
1693 (Specific, *-*-solaris2.7): Note obsoletion, removal.
1695 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1697 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
1698 with_tune_32 to pentium4.
1700 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
1702 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
1704 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1706 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
1707 obsoletion, removal.
1709 Document GNU as requirement.
1710 Update configure requirements.
1711 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
1712 Recomment IRIX 6.5.18+.
1713 Document IDF/IDL requirement.
1714 Document GNU as requirement.
1715 Document GNU ld bootstrap failure.
1716 Remove freeware.sgi.com reference.
1718 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1720 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
1721 UNIX V4.0, V5.0 obsoletion, removal.
1722 Remove --with-gc=simple reference.
1723 Update VM requirements during bootstrap.
1724 Remove -oldas bootstrap description.
1725 Update binutils reference.
1726 Remove comparison failure note.
1728 2010-03-31 Richard Guenther <rguenther@suse.de>
1729 Zdenek Dvorak <ook@ucw.cz>
1730 Sebastian Pop <sebastian.pop@amd.com>
1733 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
1734 with multiple arguments.
1735 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
1737 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
1739 * graphite-dependences.c (print_pddr): Call print_pdr with an
1741 * graphite-poly.c (debug_pdr): Add an extra argument for the
1744 (print_pbb_domain): Same.
1746 (print_scop_context): Same.
1748 (print_cloog): Same.
1749 (debug_pbb_domain): Same.
1753 (debug_scop_context): Same.
1755 (debug_cloog): Same.
1756 (print_scop_params): Same.
1757 (debug_scop_params): Same.
1758 (print_iteration_domain): Same.
1759 (print_iteration_domains): Same.
1760 (debug_iteration_domain): Same.
1761 (debug_iteration_domains): Same.
1762 (print_scattering_function): Same.
1763 (print_scattering_functions): Same.
1764 (debug_scattering_function): Same.
1765 (debug_scattering_functions): Same.
1766 * graphite-poly.h (debug_pdr): Update declaration.
1768 (print_pbb_domain): Same.
1770 (print_scop_context): Same.
1772 (print_cloog): Same.
1773 (debug_pbb_domain): Same.
1777 (debug_scop_context): Same.
1779 (debug_cloog): Same.
1780 (print_scop_params): Same.
1781 (debug_scop_params): Same.
1782 (print_iteration_domain): Same.
1783 (print_iteration_domains): Same.
1784 (debug_iteration_domain): Same.
1785 (debug_iteration_domains): Same.
1786 (print_scattering_function): Same.
1787 (print_scattering_functions): Same.
1788 (debug_scattering_function): Same.
1789 (debug_scattering_functions): Same.
1791 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
1793 * graphite-poly.c (print_scattering_function_1): New.
1794 (print_scattering_function): Call it.
1795 (print_scop_params): Remove spaces at the end of lines.
1798 * graphite-poly.h (print_cloog): Declared.
1799 (debug_cloog): Declared.
1801 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
1803 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
1805 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
1806 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
1807 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
1808 to switch between adding the IV bump in loop->latch or in loop->header.
1810 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
1812 * graphite-poly.c (print_scattering_function): Pretty print following
1815 (print_pbb_domain): Same.
1816 (dump_gbb_cases): Same.
1817 (dump_gbb_conditions): Same.
1820 (print_scop_params): Same.
1821 (print_scop_context): Same.
1823 (print_pbb_body): New.
1824 (lst_indent_to): New.
1825 (print_lst): Start new lines with a #.
1826 * graphite-poly.h (pbb_bb): New.
1827 (pbb_index): Use pbb_bb.
1828 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
1830 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
1832 2010-03-31 Jakub Jelinek <jakub@redhat.com>
1834 * dwarf2out.c (size_of_die): For -gdwarf-4 use
1835 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
1836 and 0 instead of 1 for dw_val_class_flag.
1837 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
1838 dw_val_class_range_list, dw_val_class_loc_list,
1839 dw_val_class_lineptr and dw_val_class_macptr, use
1840 DW_FORM_flag_present for dw_val_class_flag and
1841 DW_FORM_exprloc for dw_val_class_loc.
1842 (output_die): For -gdwarf-4 print dw_val_class_loc
1843 size as uleb128 instead of 1 or 2 bytes and don't print
1844 anything for dw_val_class_flag.
1846 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
1847 instead of cselib_lookup following by tweaking locs->setting_insn.
1850 * cselib.c (cselib_process_insn): Clear cselib_current_insn
1851 even before returning from label, setjmp call or volatile asm
1854 2010-03-31 Richard Guenther <rguenther@suse.de>
1857 * cgraphunit.c (cgraph_output_in_order): Do not allocate
1858 temporary data on stack.
1860 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1862 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
1863 (PUSHSECTION_ASM_OP): Remove.
1864 (POPSECTION_ASM_OP): Remove.
1865 (PUSHSECTION_FORMAT): Remove.
1866 * config/sol2.h (PUSHSECTION_FORMAT): Define.
1867 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
1868 * config/sol2.c (solaris_output_init_fini): Use it.
1870 2010-03-31 Jie Zhang <jie@codesourcery.com>
1873 * opt-functions.awk (var_type_struct): Use signed char type
1874 for simple variables.
1876 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1878 * config/sol2.c: Include output.h.
1879 (solaris_assemble_visibility): New function.
1880 * config/t-sol2 (sol2.o): Add output.h dependency.
1881 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
1882 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
1885 2010-03-31 Jakub Jelinek <jakub@redhat.com>
1888 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
1889 V2SImode or XFmode on PRE_DEC.
1892 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
1895 2010-03-31 Jie Zhang <jie@codesourcery.com>
1898 * reload.h (caller_save_initialized_p): Declare.
1899 * toplev.c (backend_init_target): Don't call
1900 init_caller_save but set caller_save_initialized_p to false.
1901 * caller-save.c (caller_save_initialized_p): Define.
1902 (init_caller_save): Check caller_save_initialized_p.
1903 * ira.c (ira): Call init_caller_save if flag_caller_saves.
1905 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1908 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
1909 and soft-fp/t-softfp to tmake_file.
1910 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
1911 (LIBGCC2_TF_CEXT): Define.
1914 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
1917 * cselib.c (n_useless_values): Document handling of debug locs.
1918 (n_useless_debug_values, n_debug_values): New variables.
1919 (new_elt_loc_list): Don't add to debug values, keep count.
1920 (promote_debug_loc): New.
1921 (cselib_reset_table): Zero new variables.
1922 (entry_and_rtx_equal_p): Promote debug locs.
1923 (discard_useless_locs): Increment n_useless_debug_values for
1925 (remove_useless_values): Adjust n_useless_values and n_debug_values
1926 with n_useless_debug_values.
1927 (add_mem_for_addr): Promote debug locs.
1928 (cselib_lookup_mem): Likewise.
1929 (cselib_lookup_addr): Renamed to...
1930 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
1931 (cselib_log_lookup): ... this. Turn into...
1932 (cselib_lookup_addr): ... new wrapper.
1933 (cselib_lookup_from_insn): New.
1934 (cselib_invalidate_regno): Increment n_useless_debug_values for
1936 (cselib_invalidate_mem): Likewise.
1937 (cselib_process_insn): Take n_deleted and n_debug_values into
1938 account to guard remove_useless_value call.
1939 (cselib_finish): Zero n_useless_debug_values.
1940 * cselib.h (cselib_lookup_from_insn): Declare.
1941 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
1942 (sched_analyze_2): Likewise.
1944 2010-03-30 Jakub Jelinek <jakub@redhat.com>
1946 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
1948 (adjust_mems): Replace narrowing SUBREG of expression containing
1949 just PLUS, MINUS, MULT and ASHIFT of registers and constants
1950 with operations in the narrower mode.
1953 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
1954 regs_invalidated_by_call instead all call_used_reg_set registers.
1956 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
1959 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
1960 pointer comparisons with types_compatible_p.
1961 * tree-vect-stmts.c (vectorizable_call): Same.
1962 (vectorizable_condition): Same.
1964 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1966 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
1967 stack check if the mask would be zero.
1969 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
1970 Jack Howarth <howarth@bromo.med.uc.edu>
1972 * tree-profile.c (tree_init_ic_make_global_vars): Make static
1975 2010-03-30 Joseph Myers <joseph@codesourcery.com>
1978 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
1980 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
1981 Include ___unordxf2 and ___unordtf2.
1982 * config/i386/libgcc-glibc.ver: Do not define inheritance from
1985 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
1987 * config/lm32/t-lm32: New file.
1988 * config.gcc: Use the above file when targetting lm32.
1990 2010-03-28 Duncan Sands <baldrick@free.fr>
1992 * Makefile.in (PLUGIN_HEADERS): Add except.h.
1994 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
1997 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
1998 Improve vectorization cost model diagnostic.
2000 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
2003 * tree-vect-data-refs.c (vect_analyze_data_refs): When
2004 compute_data_dependences_for_loop returns false, early exit
2005 and output an extra diagnostic for the failed data reference
2008 2010-03-29 Richard Guenther <rguenther@suse.de>
2010 PR tree-optimization/43560
2011 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
2012 (can_sm_ref_p): Treat stores to readonly locations as trapping.
2014 2010-03-29 Jie Zhang <jie@codesourcery.com>
2017 * toplev.c (process_options): Set optimization_default_node
2018 and optimization_current_node.
2019 * opts.c (decode_options): Don't set optimization_default_node
2020 and optimization_current_node.
2022 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
2024 * config/rtems.h: Abandon -qrtems_debug.
2026 2010-03-28 Jan Hubicka <jh@suse.cz>
2028 PR tree-optimization/43505
2029 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
2030 map should not be copied.
2032 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2035 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
2036 cdtors, set DECL_PRESERVE_P.
2037 * ipa.c (cgraph_externally_visible_p): Return true if declaration
2040 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
2042 PR tree-optimization/43528
2043 * stor-layout.c (place_field): Check that constant fits into
2044 unsigned HWI when skipping calculation of MS bitfield layout.
2046 2010-03-27 Jan Hubicka <jh@suse.cz>
2049 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
2050 notice_global_symbol work.
2052 2010-03-27 Jakub Jelinek <jakub@redhat.com>
2054 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
2055 instead of dwarf2out_decl.
2056 (struct var_loc_node): Remove section_label field.
2057 (dwarf2out_function_decl): New function.
2058 (dwarf2out_var_location): Don't set section_label field.
2059 (dwarf2out_begin_function): Don't empty decl_loc_table here.
2061 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
2063 PR tree-optimization/43544
2064 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2065 First argument for builtin vectorized function hook is now a
2066 tree to be able to distinguish between machine specific and
2068 * targhooks.c (default_builtin_vectorized_function): Ditto.
2069 * targhooks.h (default_builtin_vectorized_function): Ditto.
2070 * target.h (struct gcc_target): Ditto.
2071 * tree-vect-stmts.c (vectorizable_function): Ditto.
2072 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
2073 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2076 2010-03-26 Joseph Myers <joseph@codesourcery.com>
2079 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
2080 nested binding iff it is a FUNCTION_DECL.
2081 (store_parm_decls_newstyle): Pass nested=true to bind for
2082 FUNCTION_DECLs amongst parameters.
2084 2010-03-26 Jakub Jelinek <jakub@redhat.com>
2086 * var-tracking.c (vt_expand_loc_callback): Don't run
2087 cselib_expand_value_rtx_cb in dummy mode if
2088 cselib_dummy_expand_value_rtx_cb returned false.
2090 * var-tracking.c (emit_note_insn_var_location): For one part
2091 notes with offset 0, don't add EXPR_LIST around the location.
2092 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
2093 add_location_or_const_value_attribute): Adjust for that change.
2096 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
2097 into first operand and location into second.
2098 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
2099 dw_cfi_oprnd_loc for DW_CFA_expression.
2100 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
2101 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
2102 assume first argument is regnum and second argument is location.
2104 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
2107 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
2108 of scratch register to DImode. Split to DImode comparison operator.
2109 Use SImode subreg of scratch register in the multiplication.
2110 (*cmp_sadd_sidi): Ditto.
2111 (*cmp_ssub_si): Ditto.
2112 (*cmp_ssub_sidi): Ditto.
2114 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
2117 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
2118 Remove invalid assert and wrong comment.
2120 2010-03-26 Jakub Jelinek <jakub@redhat.com>
2123 * flags.h (final_insns_dump_p): New extern.
2124 * final.c (final_insns_dump_p): New variable.
2125 (rest_of_clean_state): Set it before -fdump-final-insns=
2126 dumping, clear afterwards.
2127 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
2128 MEM_ALIAS_SET on MEMs.
2130 2010-03-26 David S. Miller <davem@davemloft.net>
2132 * configure.ac: Fix sparc GOTDATA_OP bug check.
2133 * configure: Rebuild.
2135 2010-03-26 Alan Modra <amodra@gmail.com>
2137 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
2139 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2141 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
2142 TLS_SECTION_ASM_FLAG.
2144 2010-03-25 Jakub Jelinek <jakub@redhat.com>
2147 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
2148 Clear first_function_block_is_cold.
2151 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
2152 argument if the argument is truth_value_p.
2154 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
2156 * config/rs6000/constraints.md: Update copyright year for my changes.
2159 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
2160 used in reg+reg addressing, swap registers.
2162 2010-03-24 Jakub Jelinek <jakub@redhat.com>
2165 * target.h (struct gcc_target): Add code_end hook.
2166 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
2168 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
2169 * toplev.c (compile_file): Call targetm.asm_out.code_end
2170 hook before unwind info/debug info output.
2171 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
2172 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
2173 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2174 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
2175 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2176 * config/i386/i386.c (ix86_file_end): Renamed to...
2177 (ix86_code_end): ... this. Make static. Don't call
2178 file_end_indicate_exec_stack. Emit unwind info using
2179 final_start_function/final_end_function.
2180 (darwin_x86_file_end): Remove.
2181 (TARGET_ASM_CODE_END): Define.
2182 * config/i386/i386.h (TARGET_ASM_FILE_END,
2183 NEED_INDICATE_EXEC_STACK): Don't define.
2184 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
2185 (TARGET_ASM_FILE_END): Define to darwin_file_end.
2186 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
2187 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
2190 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
2191 at the beginning and final_end_function at the end.
2192 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2194 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2196 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
2197 and Sun as TLS syntax.
2198 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
2199 * configure: Regenerate.
2200 * config.in: Regenerate.
2201 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
2202 (default_elf_asm_named_section): Use it.
2203 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
2204 (i386_output_dwarf_dtprel): Likewise.
2205 (output_addr_const_extra): Likewise.
2206 (output_pic_addr_const): Lowercase @GOTTPOFF.
2207 (output_addr_const_extra): Likewise.
2208 (output_pic_addr_const): Lowercase @GOTNTPOFF.
2209 (output_addr_const_extra): Likewise.
2210 (output_pic_addr_const): Lowercase @INDNTPOFF.
2211 (output_addr_const_extra): Likewise.
2212 (output_pic_addr_const): Lowercase @NTPOFF.
2213 (output_addr_const_extra): Likewise.
2214 (output_pic_addr_const): Lowercase @TPOFF.
2215 (output_addr_const_extra): Likewise.
2216 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
2217 (*tls_global_dynamic_64): Likewise.
2218 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
2219 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
2221 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
2222 (ASM_OUTPUT_TLS_COMMON): Use it.
2223 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
2226 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
2227 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
2228 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
2229 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
2230 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2231 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
2233 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2235 * config/i386/i386.c (override_options): Don't accept
2236 -mtls-dialect=sun any longer.
2237 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
2238 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
2239 (*tls_local_dynamic_base_32_sun): Likewise.
2240 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2242 2010-03-24 Jakub Jelinek <jakub@redhat.com>
2245 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
2246 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
2249 * ira.c (adjust_cleared_regs): New function.
2250 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
2254 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
2256 * expr.c (expand_expr_real): Restore previous
2257 curr_insn_source_location and curr_insn_block after
2258 expand_expr_real_1 call.
2259 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
2260 instead of expand_expr_real_1.
2262 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
2264 PR rtl-optimization/43413
2265 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
2268 2010-03-22 James E. Wilson <wilson@codesourcery.com>
2271 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
2272 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
2274 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
2276 * config/i386/i386.c (ix86_target_string): Add -mfma.
2277 Fix a typo in comment.
2279 2010-03-22 Mike Stump <mikestump@comcast.net>
2282 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2283 Don't overly align based upon packed packed fields.
2285 2010-03-22 Jason Merrill <jason@redhat.com>
2287 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
2288 Use () rather than [], and move before the element type.
2290 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2292 * doc/configfiles.texi (Configuration Files): Removed
2293 fixinc/Makefile*, intl/Makefile.*.
2294 * doc/makefile.texi: Fixed markup. Abstract from version
2295 control system used.
2296 (Makefile): Removed obsolete gcc/java/parse.y example.
2297 * doc/sourcebuild.texi: Likewise.
2298 (Top Level): Added config, gnattools, libdecnumber, libgcc,
2299 libgomp, libssp. Removed fastjar.
2300 (Miscellaneous Docs): Clarify location.
2301 Added COPYING3, COPYING3.LIB.
2302 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
2304 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2307 * config/i386/i386.c (x86_function_profiler)
2308 [!NO_PROFILE_COUNTERS]: Fix typo.
2309 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
2312 2010-03-22 Janis Johnson <janis187@us.ibm.com>
2313 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2315 * doc/sourcebuild.texi (Test Directives): Split into six
2316 subsections, with most of the current text in new subsections
2317 Directives, Selectors, and Final Actions.
2318 (Directives): Split list of test directives into multiple
2320 (Selectors): Describe use and syntax of selectors.
2321 (Effective-Target Keywords): Describe all existing keywords.
2322 (Add Options): Describe features for dg-add-options.
2323 (Require Support): Describe variants of dg-require-support.
2324 (Final Actions): Describe commands to use in dg-final.
2326 2010-03-22 Michael Matz <matz@suse.de>
2329 * recog.c (validate_replace_rtx_group): Replace also in
2330 REG_EQUAL and REG_EQUIV notes.
2332 2010-03-22 Richard Guenther <rguenther@suse.de>
2334 PR tree-optimization/43390
2335 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
2336 sure vector extracts are type correct.
2338 2010-03-22 Richard Guenther <rguenther@suse.de>
2341 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
2342 x * sqrt (x) even when optimizing for size if the target
2343 has native support for sqrt.
2345 2010-03-22 Jakub Jelinek <jakub@redhat.com>
2347 * varasm.c (make_decl_rtl_for_debug): Also clear
2348 flag_mudflap for the duration of make_decl_rtl call.
2351 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
2352 locs from preserved VALUEs.
2354 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2357 * pa.md (movmemsi): Set align to one if zero.
2358 (movmemdi): Likewise.
2360 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
2363 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
2364 with their corresponding prologue pushes.
2366 2010-03-20 Andrew Pinski <pinskia@gmail.com>
2369 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
2370 at the begining or end.
2371 (spu_expand_epilogue): Likewise.
2373 2010-03-20 Richard Guenther <rguenther@suse.de>
2375 PR rtl-optimization/43438
2376 * combine.c (make_extraction): Properly zero-/sign-extend an
2377 extraction of the low part of a CONST_INT. Also handle
2380 2010-03-19 Mike Stump <mikestump@comcast.net>
2382 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
2383 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
2384 (override_options): Use SUBTARGET32_DEFAULT_CPU.
2386 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
2389 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
2392 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
2394 PR rtl-optimization/42258
2395 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
2396 use that may match DEF.
2399 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
2400 the cost of loading the constant rather than assuming
2402 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
2403 outer code is AND, do the same tests as the andsi3 expander and
2404 return COSTS_N_INSNS (1) if and is cheap.
2406 * optabs.c (avoid_expensive_constant): Fix formatting.
2408 2010-03-19 Michael Matz <matz@suse.de>
2411 * attribs.c (decl_attributes): When rebuilding a function pointer
2412 type use the same qualifiers as the original pointer type.
2414 2010-03-19 Martin Jambor <mjambor@suse.cz>
2416 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
2417 and is_gimple_ip_invariant_address.
2419 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2422 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2424 * config/arm/arm.c (arm_override_options): Turn off
2425 flag_dwarf2_cfi_asm for AAPCS variants.
2427 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2430 * config/arm/arm.c (emit_multi_reg_push): Update comments.
2431 Use PRE_MODIFY instead of PRE_DEC.
2432 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
2433 (vfp_emit_fstmd): Likewise.
2435 2010-03-19 Michael Matz <matz@suse.de>
2438 * builtins.c (expand_builtin_interclass_mathfn,
2439 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
2442 2010-03-19 Richard Guenther <rguenther@suse.de>
2444 PR tree-optimization/43415
2445 * tree-ssa-pre.c (phi_translate): Split out worker to ...
2446 (phi_translate_1): ... this.
2447 (phi_translate): Move all caching here. Cache all NARY
2448 and REFERENCE translations.
2450 2010-03-19 David S. Miller <davem@davemloft.net>
2452 With help from Eric Botcazou.
2453 * config/sparc/sparc.c: Include dwarf2out.h.
2454 (emit_pic_helper): Delete.
2455 (pic_helper_symbol_name): Delete.
2456 (pic_helper_emitted_p): Delete.
2457 (pic_helper_needed): New.
2458 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
2459 (get_pc_thunk_name): New.
2460 (load_pic_register): Remove 'delay_pic_helper' arg. Use
2461 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
2462 Set pic_helper_needed to true. Don't call emit_pic_helper.
2463 (sparc_expand_prologue): Update load_pic_register call.
2464 (sparc_output_mi_thunk): Likewise.
2465 (sparc_file_end): Emit a hidden comdat symbol for the PIC
2466 thunk if possible. Output CFI information as needed.
2468 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
2469 Jack Howarth <howarth@bromo.med.uc.edu>
2472 * config/i386/i386.h: Fix ABI on darwin x86-32.
2474 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
2476 * tree.h: Declare make_decl_rtl_for_debug.
2477 * varasm.c (make_decl_rtl_for_debug): New.
2478 * dwarf2out.c (rtl_for_decl_location): Call it.
2479 * cfgexpand.c (expand_debug_expr): Call it.
2481 2010-03-18 Jakub Jelinek <jakub@redhat.com>
2484 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
2488 * var-tracking.c (vt_init_cfa_base): Do nothing if
2489 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
2491 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
2494 * var-tracking.c (canonicalize_vars_star): New.
2495 (dataflow_post_merge_adjust): Use it.
2497 2010-03-18 Jakub Jelinek <jakub@redhat.com>
2500 * var-tracking.c (non_suitable_const): New function.
2501 (add_uses): For DEBUG_INSNs with constants, don't record any
2502 value, instead just the constant value itself.
2503 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
2504 is not VAR_LOC_UNKNOWN_P, set var to the constant.
2505 (emit_notes_in_bb): Likewise.
2506 (emit_note_insn_var_location): For onepart variables if
2507 cur_loc is a VOIDmode constant, use DECL_MODE.
2509 2010-03-18 Martin Jambor <mjambor@suse.cz>
2512 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
2513 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
2514 all non-clones. Moved call redirection...
2515 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
2516 (cgraph_materialize_all_clones): Dispose of all
2517 combined_args_to_skip bitmaps.
2518 (verify_cgraph_node): Do not check for edges pointing to wrong
2519 nodes in inline clones.
2520 * tree-inline.c (copy_bb): Call
2521 cgraph_redirect_edge_call_stmt_to_callee.
2522 * ipa.c (cgraph_remove_unreachable_nodes): Call
2523 cgraph_node_remove_callees even when there are used clones.
2525 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
2527 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
2529 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
2532 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
2535 2010-03-18 Michael Matz <matz@suse.de>
2538 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
2539 into sqrt(x) if we need to preserve signed zeros.
2541 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
2542 Eric Botcazou <ebotcazou@adacore.com>
2544 PR rtl-optimization/43360
2545 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
2546 note if we don't know its invariant status.
2548 2010-03-18 Michael Matz <matz@suse.de>
2550 PR tree-optimization/43402
2551 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
2552 PHI chains of ssa names registered for update.
2554 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
2557 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
2558 non-offsettable and pre_modify update addressing.
2559 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
2560 and "2" alternatives "#".
2561 (*movdd_softfloat32): Make all alternatives "#";
2562 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
2563 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
2564 (*movdf_softfloat32): Make all alternatives "#";
2565 (movdi): Use the new DIFD mode iterator to create a common splitter
2566 for movdi, movdf and movdd patterns.
2568 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
2570 * common.opt (dumpdir): Remove redundant tab.
2572 2010-03-17 Martin Jambor <mjambor@suse.cz>
2574 PR tree-optimization/43347
2575 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
2576 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
2578 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
2580 PR rtl-optimization/42216
2581 * regrename.c (create_new_chain): New function, broken out from...
2582 (scan_rtx_reg): ... here. Call it. Handle the case where we are
2583 appending a use to an empty chain.
2584 (build_def_use): Remove previous changes that convert OP_INOUT to
2585 OP_OUT operands; instead detect the case where an OP_INOUT operand
2586 uses a previously untracked register and create an empty chain for it.
2588 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2590 * doc/extend.texi (Function Attributes): Rewrite unfinished
2591 sentence in ms_abi documentation.
2593 2010-03-17 Alan Modra <amodra@gmail.com>
2595 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
2596 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
2597 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
2598 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
2600 2010-03-16 Richard Henderson <rth@redhat.com>
2603 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
2604 (lower_try_finally): Save and restore eh_seq around the expansion
2607 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
2609 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
2610 statements before splitting block.
2612 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2614 * doc/sourcebuild.texi (Testsuites): Fix markup.
2615 Use pathnames relative to gcc/testsuite.
2616 (Test Directives): Move description of how timeout is determined.
2617 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
2618 (C Tests): Correct gcc.misc-tests directory.
2619 Framework tests now live in gcc.test-framework.
2621 2010-03-16 Richard Guenther <rguenther@suse.de>
2624 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
2625 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
2627 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
2628 Alexandre Oliva <aoliva@redhat.com>
2630 PR tree-optimization/42917
2631 * lambda-code.c (remove_iv): Skip debug statements.
2632 (lambda_loopnest_to_gcc_loopnest): Likewise.
2633 (not_interesting_stmt): Debug statements are not interesting.
2635 2010-03-16 Jakub Jelinek <jakub@redhat.com>
2639 * cselib.c (cselib_preserve_constants,
2640 cfa_base_preserved_val): New static variables.
2641 (preserve_only_constants): New function.
2642 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
2643 clear its REG_VALUES. If cselib_preserve_constants, don't
2644 empty the whole hash table, but preserve there VALUEs with constants,
2645 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
2646 (cselib_preserve_cfa_base_value): New function.
2647 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
2648 (cselib_init): Change argument to int bitfield. Set
2649 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
2651 (cselib_finish): Clear cselib_preserve_constants and
2652 cfa_base_preserved_val.
2653 * cselib.h (enum cselib_record_what): New enum.
2654 (cselib_init): Change argument to int.
2655 (cselib_preserve_cfa_base_value): New prototype.
2656 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
2657 * dse.c (dse_step1): Likewise.
2658 * cfgcleanup.c (thread_jump): Likewise.
2659 * sched-deps.c (sched_analyze): Likewise.
2660 * gcse.c (local_cprop_pass): Likewise.
2661 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
2662 If FN is non-NULL, call the callback always and whenever it returns
2663 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
2664 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
2665 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
2666 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
2667 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
2668 * var-tracking.c: Include recog.h.
2669 (bb_stack_adjust_offset): Remove.
2670 (vt_stack_adjustments): Don't call it, instead just gather the
2671 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
2672 (adjust_stack_reference): Remove.
2673 (compute_cfa_pointer): New function.
2674 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
2675 (struct adjust_mem_data): New type.
2676 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
2678 (get_address_mode): New function.
2679 (replace_expr_with_values): Use it.
2680 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
2681 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
2682 (adjust_sets): Remove.
2683 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
2684 Use get_address_mode.
2685 (get_adjusted_src): Remove.
2686 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
2687 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
2688 (add_with_sets): Don't call adjust_sets.
2689 (fp_setter, vt_init_cfa_base): New functions.
2690 (vt_initialize): Change return type to bool. Move most of pool etc.
2691 initialization to the beginning of the function from end. Pass
2692 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
2693 If !frame_pointer_needed, call vt_stack_adjustment before mos
2694 vector is filled, call vt_init_cfa_base if argp/framep has been
2695 eliminated to sp. If frame_pointer_needed and argp/framep has
2696 been eliminated to hard frame pointer, set
2697 hard_frame_pointer_adjustment and call vt_init_cfa_base after
2698 encountering fp setter in the prologue. For MO_ADJUST, call
2699 log_op_type before pusing the op into mos vector, not afterwards.
2700 Call adjust_insn before cselib_process_insn/add_with_sets,
2701 call cancel_changes (0) afterwards.
2702 (variable_tracking_main_1): Adjust for vt_initialize calling
2703 vt_stack_adjustments and returning whether it succeeded or not.
2705 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
2707 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
2710 2010-03-15 Jakub Jelinek <jakub@redhat.com>
2712 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
2714 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
2715 drap_reg has not been set.
2717 2010-03-15 Michael Matz <matz@suse.de>
2720 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
2721 use it to expand block copies.
2722 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
2723 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
2724 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
2726 2010-03-15 Richard Guenther <rguenther@suse.de>
2728 PR tree-optimization/43367
2729 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
2732 2010-03-15 Richard Guenther <rguenther@suse.de>
2734 PR tree-optimization/43317
2735 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
2737 2010-03-15 Martin Jambor <mjambor@suse.cz>
2739 PR tree-optimization/43141
2740 * tree-sra.c (create_abstract_origin): New function.
2741 (modify_function): Call create_abstract_origin.
2743 2010-03-15 Chris Demetriou <cgd@google.com>
2745 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
2748 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2751 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
2752 call insert_out_of_ssa_copy for default definitions.
2754 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2756 * graphite-clast-to-gimple.c (my_long_long): Defined.
2757 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
2758 * graphite-sese-to-poly.c (my_long_long): Defined.
2759 (scop_ivs_can_be_represented): Use it.
2761 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2763 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
2764 graphite-max-bbs-per-function, and loop-block-tile-size.
2765 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
2767 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
2769 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2771 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
2772 forward declaration.
2773 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
2774 (add_upper_bounds_from_estimated_nit): New.
2775 (build_loop_iteration_domains): Use it.
2777 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2779 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
2781 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2784 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
2785 should be an INTEGER_CST. Also handle CASE_CONVERT.
2787 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2789 * graphite.c (graphite_initialize): To bound the number of bbs per
2790 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
2791 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
2792 * doc/invoke.texi: Document it.
2794 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2796 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
2797 * graphite-sese-to-poly.h (build_poly_scop): Same.
2799 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2801 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
2802 the number of parameters in the scop. Use as an upper bound
2803 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
2804 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
2805 * doc/invoke.texi: Document it.
2807 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
2809 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
2810 * doc/c-tree.texi: Remove.
2811 * doc/generic.texi: Merge c-tree.texi here.
2812 * doc/gccint.texi (Trees): Remove menu entry.
2813 (c-tree.texi): Remove @include.
2814 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
2815 * doc/languages.texi (Reading RTL): Ditto.
2817 2010-03-12 Steve Ellcey <sje@cup.hp.com>
2820 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
2822 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
2825 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
2826 code added to work around reload clobbering CONST insns.
2828 2010-03-12 Jakub Jelinek <jakub@redhat.com>
2830 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
2831 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
2832 (cselib_preserve_only_values): Remove retain argument, don't
2833 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
2834 * cselib.h (cselib_preserve_only_values): Remove retain argument.
2835 * var-tracking.c (micro_operation): Move insn field before union.
2836 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
2837 (struct variable_tracking_info_def): Remove n_mos field, change
2838 mos into a vector of micro_operations.
2839 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
2840 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
2841 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
2842 changing into a vector.
2843 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
2844 come before all other uops generated by add_stores.
2845 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
2847 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
2848 a vector. Run just one pass over the bbs instead of separate counting
2849 and computation phase.
2850 (vt_finalize): Free VTI (bb)->mos vector instead of array.
2853 * tree-inline.c (remap_decls): Put old_var rather than origin_var
2854 into *nonlocalized_list vector.
2855 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
2856 even if origin is non-NULL.
2857 (gen_variable_die): Likewise.
2858 (process_scope_var): Don't change origin.
2859 (gen_decl_die): Likewise.
2860 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
2861 before adding new edges instead of after it, fix moving over
2864 2010-03-11 David S. Miller <davem@davemloft.net>
2866 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
2868 * configure: Rebuild.
2870 2010-03-11 Martin Jambor <mjambor@suse.cz>
2872 PR tree-optimization/43257
2873 * tree.c (assign_assembler_name_if_neeeded): New function.
2874 (free_lang_data_in_cgraph): Assembler name assignment moved to the
2876 * tree.h (assign_assembler_name_if_neeeded): Declare.
2877 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
2878 the function if needed.
2880 2010-03-11 Chris Demetriou <cgd@google.com>
2882 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
2883 include/stdint-gcc.h, and include/stdint.h world-readable.
2885 2010-03-11 Richard Guenther <rguenther@suse.de>
2887 PR tree-optimization/43255
2888 * tree-vrp.c (process_assert_insertions_for): Do not insert
2889 asserts for trivial conditions.
2891 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2893 PR tree-optimization/43280
2894 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
2895 generation. Move calculation of size out of the if branch.
2896 (find_bswap): Modify compare number generation.
2898 2010-03-11 Richard Guenther <rguenther@suse.de>
2901 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
2902 (input_gimple_stmt): Fixup handled component types during
2903 operand read. Also fix up decls in ADDR_EXPRs.
2905 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
2907 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
2908 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
2910 2010-03-10 Jan Hubicka <jh@suse.cz>
2913 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
2914 * varasm.c (get_variable_section): Don't do that here...
2915 (make_decl_rtl): ... and here.
2916 (do_assemble_alias): Produce decl RTL.
2917 (assemble_alias): Likewise.
2919 2010-03-10 Jakub Jelinek <jakub@redhat.com>
2922 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
2923 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
2925 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
2926 (based_loc_descr): Only express drap or vdrap regno based expressions
2927 using DW_OP_fbreg when not optimizing.
2928 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
2929 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
2930 REG_CFA_SET_VDRAP note.
2932 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
2934 PR tree-optimization/43236
2935 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
2936 error in calculation of base address in reverse iteration case.
2937 (generate_builtin): Take number of latch executions if the statement
2940 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
2943 * tree-eh.c: Include pointer-set.h.
2944 (lower_eh_dispatch): Filter out duplicate case labels and
2945 remove the unneeded edge when the label is unused. Return
2946 true when some edges are removed.
2947 (execute_lower_eh_dispatch): When any lowering resulted in
2948 removing an edge, also delete unreachable blocks.
2950 2010-03-10 Jakub Jelinek <jakub@redhat.com>
2953 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
2954 UNSPEC_MACHOPIC_OFFSET.
2956 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
2959 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
2960 (m68k_delegitimize_address): New function.
2962 2010-03-09 Jakub Jelinek <jakub@redhat.com>
2965 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
2968 * var-tracking.c (adjust_sets): New function.
2969 (count_with_sets, add_with_sets): Use it.
2970 (get_adjusted_src): New inline function.
2971 (add_stores): Use it.
2974 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
2975 call cselib_dummy_expand_value_rtx_cb instead of
2976 cselib_expand_value_rtx_cb.
2979 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
2980 * config/i386/i386.c: Include debug.h and dwarf2out.h.
2981 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
2982 and .cfi_endproc around the pic thunks.
2983 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
2984 all queued unwind info register saves are saved before the call.
2985 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
2986 considered as sp-=4 for unwind info and the pop as sp+=4 which
2987 also clobbers dest, but doesn't actually restore it.
2990 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
2991 RTX_FRAME_RELATED_P.
2993 2010-03-09 Jie Zhang <jie@codesourcery.com>
2995 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
2996 whitespaces in output template.
2998 2010-03-09 Jie Zhang <jie@codesourcery.com>
3000 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
3003 2010-03-08 Jakub Jelinek <jakub@redhat.com>
3005 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
3006 builtins.exp in a separate job.
3008 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3010 * graphite-sese-to-poly.c (add_param_constraints): Use
3011 lower_bound_in_type and upper_bound_in_type.
3013 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3015 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
3016 instead of unsigned_type_node.
3018 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3019 Reza Yazdani <reza.yazdani@amd.com>
3022 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
3023 on pointer type parameters.
3025 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
3029 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
3030 handle conversions from pointer to integers.
3031 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
3032 induction variable, to be able to work with code generated by CLooG.
3033 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
3034 (build_poly_scop): Bail out if we cannot codegen a loop.
3036 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
3038 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
3039 code generation with gloog_error.
3041 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3043 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
3044 Call fold_convert on all the returned values.
3045 (expand_scalar_variables_expr): Pass to
3046 expand_scalar_variables_ssa_name the type of the resulting expression.
3048 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3050 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
3051 ppl_min_for_le_pointset.
3052 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
3053 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
3055 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3057 * graphite-dependences.c (map_into_dep_poly): Removed.
3058 (dependence_polyhedron_1): Use combine_context_id_scat.
3060 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3062 * graphite-poly.h (struct poly_scattering): Add layout documentation.
3063 (struct poly_bb): Same.
3064 (combine_context_id_scat): New.
3066 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3069 * sese.c (name_defined_in_loop_p): Return false for default
3072 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3074 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
3075 and clean up the logic.
3077 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3079 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
3082 2010-03-08 Jakub Jelinek <jakub@redhat.com>
3084 * var-tracking.c (remove_cselib_value_chains): Define only for
3086 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
3087 delete_slot_part, emit_notes_for_differences_1): Don't call
3088 remove_cselib_value_chains here.
3089 (set_slot_part, emit_notes_for_differences_2): Don't call
3090 add_cselib_value_chains here.
3091 (preserved_values): New vector.
3092 (preserve_value): New function.
3093 (add_uses, add_stores, vt_add_function_parameters): Use it
3094 instead of cselib_preserve_value.
3095 (changed_values_stack): New vector.
3096 (check_changed_vars_0): New function.
3097 (check_changed_vars_1, check_changed_vars_2): Use it.
3098 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
3099 changed_values_stack VALUEs.
3100 (vt_emit_notes): For all preserved_values call
3101 add_cselib_value_chains. If ENABLE_CHECKING call
3102 remove_cselib_value_chains before verifying value_chains is empty.
3103 Initialize and free changed_values_stack.
3104 (vt_initialize): Initialize preserved_values.
3105 (vt_finalize): Free preserved_values.
3107 2010-03-08 Richard Guenther <rguenther@suse.de>
3109 PR tree-optimization/43269
3110 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
3113 2010-03-08 Martin Jambor <mjambor@suse.cz>
3115 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
3116 (ipa_is_param_called): Removed.
3117 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
3118 (ipa_print_node_params): Do not print the called flag.
3119 (ipa_write_node_info): Do not stream the called flag.
3120 (ipa_read_node_info): Likewise.
3122 2010-03-07 Jakub Jelinek <jakub@redhat.com>
3125 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
3126 * cselib.c (struct expand_value_data): Add dummy field.
3127 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
3129 (cselib_dummy_expand_value_rtx_cb): New function.
3130 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
3132 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
3133 * var-tracking.c: Include pointer-set.h.
3134 (variable): Change n_var_parts to char from int. Add
3135 cur_loc_changed and in_changed_variables fields.
3136 (variable_canonicalize): Remove.
3137 (shared_var_p): New inline function.
3138 (unshare_variable): Maintain cur_loc_changed and
3139 in_changed_variables fields. If var was in changed_variables,
3140 replace it there with new_var. Just copy cur_loc instead of
3141 resetting it to something else.
3142 (variable_union): Don't recompute cur_loc. Use shared_var_p.
3143 (dataflow_set_union): Don't call variable_canonicalize.
3144 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
3145 of their DEBUG_EXPR_TREE_DECLs.
3146 (canonicalize_loc_order_check): Verify that cur_loc is NULL
3147 and in_changed_variables and cur_loc_changed is false.
3148 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
3149 and cur_loc_changed. Don't update cur_loc here.
3150 (variable_merge_over_src): Don't call variable_canonicalize.
3151 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
3152 removing loc that is equal to cur_loc, clear cur_loc,
3153 set cur_loc_changed and ensure variable_was_changed is called.
3154 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
3155 compare pointers in cur_loc check, if it is equal to loc,
3156 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
3157 (variable_different_p): Remove compare_current_location argument,
3158 don't compare cur_loc.
3159 (dataflow_set_different_1): Adjust variable_different_p caller.
3160 (variable_was_changed): If dv had some var in changed_variables
3161 already, reset in_changed_variables flag for it and propagate
3162 cur_loc_changed over to the new variable. On empty var
3163 always set cur_loc_changed. Set in_changed_variables on whatever
3164 var is added to changed_variables.
3165 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
3166 Use shared_var_p. When removing loc that is equal to cur_loc,
3167 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
3168 end, don't set it to something else, just call variable_was_changed.
3169 (delete_slot_part): Use shared_var_p. When cur_loc equals to
3170 loc being removed, clear cur_loc and set cur_loc_changed.
3171 Set cur_loc_changed if all locations have been removed.
3172 (struct expand_loc_callback_data): New type.
3173 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
3174 allocated. Always create SUBREGs if simplify_subreg failed.
3175 Prefer to use cur_loc, when that fails and still in
3176 changed_variables (and seen first time) recompute it. Set
3177 cur_loc_changed of variables which had to change cur_loc and
3178 compute elcd->cur_loc_changed if any of the subexpressions used
3179 had to change cur_loc.
3180 (vt_expand_loc): Adjust to pass arguments in
3181 expand_loc_callback_data structure.
3182 (vt_expand_loc_dummy): New function.
3183 (emitted_notes): New variable.
3184 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
3185 that weren't used for any other decl in current
3186 emit_notes_for_changes call call vt_expand_loc_dummy to update
3187 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
3188 first loc_chain location if NULL before. Always use just
3189 cur_loc instead of first loc_chain location. When cur_loc_changed
3190 is false, when not --enable-checking=rtl just don't emit any note.
3191 When rtl checking, compute the note and assert it is the same
3192 as previous note. Clear cur_loc_changed and in_changed_variables
3193 at the end before removing from changed_variables.
3194 (check_changed_vars_3): New function.
3195 (emit_notes_for_changes): Traverse changed_vars to call
3196 check_changed_vars_3 on each changed var.
3197 (emit_notes_for_differences_1): Clear cur_loc_changed and
3198 in_changed_variables. Recompute cur_loc of new_var.
3199 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
3200 (vt_emit_notes): Initialize and destroy emitted_notes.
3202 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
3204 PR rtl-optimization/42220
3205 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
3206 Use verify_reg_tracked to determine if we should use OP_OUT rather
3208 (build_def_use): If we see an in-out operand for a register that we
3209 know nothing about, treat is an output if possible, fail the block if
3212 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3215 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
3218 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3221 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
3222 uses of relevant DEFs that are dead outside the loop too.
3224 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3226 * var-tracking.c (dataflow_set_merge): Swap src and src2.
3228 2010-01-13 Jakub Jelinek <jakub@redhat.com>
3230 * var-tracking.c (values_to_unmark): New variable.
3231 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
3232 values_to_unmark vector. Moved body to...
3233 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
3234 instead queue it into values_to_unmark vector.
3235 (vt_find_locations): Free values_to_unmark vector.
3237 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
3239 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
3240 (site.exp): Export them when plugins are enabled.
3242 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
3245 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
3247 (chrec_fold_multiply): Same.
3249 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
3252 * c-decl.c (build_compound_literal): Return early if init is
3255 2010-03-04 Martin Jambor <mjambor@suse.cz>
3257 PR tree-optimization/43164
3258 PR tree-optimization/43191
3259 * tree-sra.c (type_consists_of_records_p): Reject records with
3260 zero-size bit-fields at the end.
3262 2010-03-04 Mike Stump <mikestump@comcast.net>
3264 * Makefile.in (TAGS): Remove *.y.
3266 2010-03-04 Richard Guenther <rguenther@suse.de>
3268 PR tree-optimization/40761
3269 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
3271 (my_rev_post_order_compute): New function.
3272 (init_pre): Call it.
3274 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
3277 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
3278 decrease the cost of an IV candidate when the cost is infinite.
3280 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3282 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
3283 Use '3DNow!' for the extension of that name, ensure normal space
3285 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3287 2010-03-03 Jeff Law <law@redhat.com>
3289 * PR middle-end/32693
3290 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
3291 than gen_rtx_SUBREG.
3292 (extract_bit_field_1): Likewise.
3294 2010-03-03 Janis Johnson <janis187@us.ibm.com>
3296 * doc/sourcebuild.texi (Test directives): Document that arguments
3297 include-opts and exclude-opts are now optional for dg-skip-if,
3298 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
3300 2010-03-03 Jason Merrill <jason@redhat.com>
3303 * cgraph.h (varpool_node): Add extra_name field.
3304 * varpool.c (varpool_extra_name_alias): New.
3305 (varpool_assemble_decl): Emit extra name aliases.
3306 (varpool_mark_needed_node): Look past an extra name alias.
3307 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
3308 * lto-streamer-in.c (lto_input_tree): Read it.
3309 * lto-streamer-out.c (output_unreferenced_globals): Write it.
3311 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
3313 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
3314 (sparc*-*-solaris2*): ...this.
3316 2010-03-03 Jakub Jelinek <jakub@redhat.com>
3319 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
3320 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
3321 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
3322 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
3325 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
3326 fallthrough to default handling, just with want_address 0 instead of 2.
3327 For single element lists, add_AT_loc directly, otherwise create an
3328 artificial variable DIE and stick location list to it.
3331 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
3332 (VAL_EXPR_HAS_REVERSE): Define.
3333 (reverse_op): New function.
3334 (add_stores): For reversible operations add an extra MO_VAL_USE.
3336 2010-03-02 Jason Merrill <jason@redhat.com>
3338 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
3340 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
3342 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
3343 (sparc64-*-linux*): Likewise.
3344 (sparc64-*-solaris2*): Include assembler files before linker ones.
3345 (sparc-*-solaris2*): Simplify and reorder to match previous case.
3346 * config/sparc/gas.h: Delete.
3347 * config/sparc/sol2-64.h: Add copyright notice.
3348 * config/sparc/sol2-gas-bi.h: Likewise.
3349 * config/sparc/sol2-gld.h: Likewise.
3350 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
3351 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
3352 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
3353 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
3354 (sparc_elf_asm_named_section): Rename into...
3355 (sparc_solaris_elf_asm_named_section): ...this. Always define.
3357 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
3359 * config/alpha/alpha.c (override_options): Fix -mtune error message.
3361 2010-03-02 Jeff Law <law@redhat.com>
3364 * reload1.c (rtx_p, substitute_stack): Declare.
3365 (substitute): Record addresses of changed rtxs.
3366 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
3367 Restore the original rtx when complete.
3368 (reload): Free subsitute_stack when complete.
3370 2010-03-02 Janis Johnson <janis187@us.ibm.com>
3372 * doc/gccint.texi (menu): Add Testsuites as a chapter.
3373 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
3375 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
3376 LTO Testing, gcov Testing, profopt Testing, compat Testing,
3377 Torture Tests): Change from subsection to section.
3379 2010-03-02 Jakub Jelinek <jakub@redhat.com>
3380 Steven Bosscher <steven@gcc.gnu.org>
3382 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
3385 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
3388 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
3389 the assignment from the new induction variable to the assignment
3390 of the value from the original loop PHI function.
3392 2010-03-01 Janis Johnson <janis187@us.ibm.com>
3393 Daniel Jacobowitz <dan@codesourcery.com>
3395 * doc/sourcebuild.texi (Test directives): Clarify options to
3398 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3400 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
3401 Disable cfi directives unless GCC and gas agree on using read-only
3402 .eh_frame sections for 64-bit.
3403 * configure: Regenerate.
3405 2010-03-01 Richard Guenther <rguenther@suse.de>
3407 PR tree-optimization/43220
3408 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
3409 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
3411 2010-03-01 Richard Guenther <rguenther@suse.de>
3412 Martin Jambor <mjambor@suse.cz>
3415 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
3416 gimplified parameters.
3418 2010-03-01 Christian Bruel <christian.bruel@st.com>
3420 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
3422 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
3424 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
3426 2010-03-01 Richard Guenther <rguenther@suse.de>
3429 * expr.c (expand_assignment): Use the alias-oracle to tell
3430 if the rhs aliases the result decl.
3432 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3435 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
3436 to sol_gt_pch_get_address.
3437 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
3438 64-bit, SPARC and x86.
3439 (sol_gt_pch_get_address): New function.
3441 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
3443 * toplev.h (inform_n, error_n): Declare.
3444 * diagnostic.c (inform_n, error_n): New function.
3446 2010-03-01 Jakub Jelinek <jakub@redhat.com>
3448 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
3449 has no rtl yet when processing local_decls, queue it and recheck
3450 if deferred stack allocation hasn't assigned it rtl.
3452 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
3454 * config/sh/sh.c (unspec_bbr_uid): New.
3455 (gen_block_redirect): Use it instead of INSN_UID.
3456 (gen_far_branch): Likewise.
3458 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
3460 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
3461 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
3463 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3465 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
3466 (Warning Options): -Wno-conversion-null is valid for
3467 Objective-C++ as well.
3468 * doc/tm.texi (Named Address Spaces): Likewise.
3469 * doc/plugins.texi (Plugins): Replace TABs with spaces.
3470 * doc/tree-ssa.texi (Tree SSA): Likewise.
3472 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
3475 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
3476 by default. Don't set the default arch for
3477 i[34567]86-*-darwin*|x86_64-*-darwin*.
3479 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
3482 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
3483 default. Set the default 32bit/64bit archs with $with_arch
3484 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
3486 2010-02-27 Richard Guenther <rguenther@suse.de>
3488 PR tree-optimization/43186
3489 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
3490 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
3491 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
3492 unroller iterations.
3494 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
3496 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
3497 required and i[34567]86-*-* targets don't support 64bit ISA.
3499 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
3502 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
3505 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
3507 * config.gcc: Set the default arch at least to Prescott for
3508 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
3509 if SSE math is enabled.
3511 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
3513 * diagnostic.c (diagnostic_initialize): Update.
3514 (diagnostic_report_diagnostic): Test inhibit_notes_p for
3516 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
3517 (diagnostic_inhibit_notes): New.
3518 * toplev.c (process_options): inhibit notes with -fcompare-debug.
3520 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
3523 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
3524 * doc/standards.texi: Likewise.
3525 * doc/extend.texi: Likewise.
3526 * doc/trouble.texi: Likewise.
3527 * doc/cppopts.texi: Likewise.
3528 * doc/install.texi: Likewise.
3529 * c.opt (std=c90,std=gnu90): New options.
3530 * c-opts.c (c_common_handle_option): Handle them.
3532 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
3535 * c-decl.c (undeclared_variable): Use an informative note.
3537 2010-02-26 Richard Guenther <rguenther@suse.de>
3539 PR tree-optimization/43186
3540 * gimple.h (gimple_fold): Remove.
3541 * gimple.c (gimple_fold): Remove. Inline into single user ...
3542 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
3543 Try harder for conditions.
3545 2010-02-26 Jakub Jelinek <jakub@redhat.com>
3548 * function.c (used_types_insert): Don't skip through named pointer
3549 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
3550 and it is different from the main variant's type.
3552 2010-02-26 Nick Clifton <nickc@redhat.com>
3554 * config/rx/rx.md (sminsi3): Remove bogus alternative.
3556 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
3558 * config.gcc: Support --with-fpmath=sse for x86.
3560 * config/i386/ssemath.h: New.
3562 * doc/install.texi (--with-fpmath=sse): Documented.
3564 2010-02-26 Richard Guenther <rguenther@suse.de>
3566 PR tree-optimization/43188
3567 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
3568 vector types of over-aligned element type.
3570 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
3573 * config/i386/i386.c (expand_vec_perm_blend): Use correct
3574 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
3576 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
3578 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
3580 2010-02-26 Jakub Jelinek <jakub@redhat.com>
3582 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
3583 * var-tracking.c: Include diagnostic.h.
3584 (debug_dv): New function.
3585 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
3588 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
3589 (add_value_chain, add_value_chains, remove_value_chain,
3590 remove_value_chains): Handle DEBUG_EXPRs.
3591 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
3594 * regcprop.c (struct queued_debug_insn_change): New type.
3595 (struct value_data_entry): Add debug_insn_changes field.
3596 (struct value_data): Add n_debug_insn_changes field.
3597 (debug_insn_changes_pool): New variable.
3598 (free_debug_insn_changes, apply_debug_insn_changes,
3599 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
3600 (kill_value_one_regno): Call free_debug_insn_changes if needed.
3601 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
3603 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
3605 (copyprop_hardreg_forward_1): Don't call apply_change_group for
3606 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
3607 changes, call cprop_find_used_regs via note_stores.
3608 (copyprop_hardreg_forward): When copying vd from predecessor
3609 which has any queued DEBUG_INSN changes, make sure the pointers are
3610 cleared. At the end call df_analyze and then if there are any
3611 DEBUG_INSN changes queued at the end of some basic block for still
3612 live registers, apply them.
3613 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
3615 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
3617 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
3620 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
3622 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
3623 targets. Set the default with_cpu/with_arch from arch/cpu.
3624 Allow x86-64 and native for with_cpu/with_arch.
3626 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
3628 * ebitmap.c: Change calls to verify_popcount with calls to
3629 sbitmap_verify_popcount.
3630 (ebitmap_clear_bit): Fixed map->cacheindex test and
3631 map>cache update when bit clearing results in an empty
3634 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
3637 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
3638 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
3639 and support both V2DF and V2DI modes.
3640 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
3641 support both V2DF and V2DI modes.
3642 (general): Delete trailing whitespace from a few patterns.
3644 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
3645 V2DF/V2DI interleave high/low builtins.
3647 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
3650 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
3651 interleave high/low functions.
3653 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
3655 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
3656 #pragma extern_prefix.
3658 2010-02-25 Jakub Jelinek <jakub@redhat.com>
3661 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
3662 BLKmode, assert op0 is a MEM and just adjust its mode.
3665 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
3666 if bitpos isn't multiple of mode's bitsize.
3668 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
3670 * c.opt (-ftemplate-depth=): New.
3671 (-ftemplate-depth-): Deprecate.
3672 * optc-gen.awk: Handle -ftemplate-depth=.
3673 * opth-gen.awk: Likewise.
3674 * c-opts.c (c_common_handle_option): Likewise.
3675 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
3677 2010-02-24 Jason Merrill <jason@redhat.com>
3679 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
3681 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3683 * cfg.c (alloc_aux_for_block): Remove inline.
3684 (alloc_aux_for_edge): Likewise.
3686 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3688 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
3690 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3692 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
3693 * config/i386/sol2-gas.h: New file.
3694 * config.gcc (i[34567]86-*-solaris2*): Use it.
3696 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
3699 * c-typeck.c (ep_convert_and_check): New.
3700 (build_conditional_expr): Use it.
3701 (build_binary_op): Likewise.
3703 2010-02-24 Jakub Jelinek <jakub@redhat.com>
3705 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
3708 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
3709 bounds even for -O+.
3710 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
3711 expr needs to have DECL_NAME set.
3713 2010-02-24 Nick Clifton <nickc@redhat.com>
3715 * config/mep/mep.c: Include gimple.h.
3716 (mep_function_uses_sp): Delete unused function.
3717 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
3718 parameters. Use unsigned integers to count args. Return a
3719 NULL_RTX instead of an error_mark_node. Toidy up formatting.
3721 2010-02-23 Jakub Jelinek <jakub@redhat.com>
3724 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
3725 greater or equal to nelt instead of 2 * nelt.
3726 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
3729 2010-02-23 Jason Merrill <jason@redhat.com>
3732 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
3733 in cfun->local_decls even if they have register types.
3736 * stor-layout.c (place_field): Don't warn about unnecessary
3737 DECL_PACKED if the type is packed.
3739 2010-02-23 Jakub Jelinek <jakub@redhat.com>
3742 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
3743 GOTOFF relocs, even when the base reg isn't pic pointer.
3745 2010-02-23 Michael Matz <matz@suse.de>
3748 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
3749 (expand_gimple_basic_block): Generate and use debug temps if there
3750 are debug uses left after the last real use of TERed ssa names.
3751 Unlink debug immediate uses when they are expanded.
3753 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
3756 * config/i386/i386.c (override_options): Reorganise to provide
3757 better error messages.
3759 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
3762 * graphite-scop-detection.c (create_single_exit_edge): Move
3763 the call to find_single_exit_edge to....
3764 (create_sese_edges): ...here. Don't handle multiple edges
3765 exiting the function.
3766 (build_graphite_scops): Don't handle multiple edges
3767 exiting the function.
3769 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
3772 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
3773 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
3775 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
3778 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
3780 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
3783 * c-typeck.c (convert_arguments): Print declaration location.
3784 * c-common.c (validate_nargs): Rename as
3785 builtin_function_validate_nargs.
3786 (check_builtin_function_arguments): Update.
3788 2010-02-22 Richard Guenther <rguenther@suse.de>
3791 * tree-inline.c (declare_return_variable): Use the type of
3792 the call stmt lhs if available.
3794 2010-02-22 Duncan Sands <baldrick@free.fr>
3796 * passes.c (register_pass): Always consider all pass lists when
3797 ref_pass_instance_number is zero.
3799 2010-02-22 Richard Guenther <rguenther@suse.de>
3801 PR tree-optimization/42749
3802 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
3803 parameter. Do arithmetic in the original type.
3804 (update_accumulator_with_ops): Likewise.
3805 (adjust_accumulator_values): Adjust.
3807 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3809 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
3810 (QI to BLKmode splitter): New splitter.
3812 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
3814 * config/i386/i386.c (initial_ix86_tune_features): Turn on
3815 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
3817 2010-02-22 Richard Guenther <rguenther@suse.de>
3819 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
3821 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
3823 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
3824 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
3825 ($(T)crti.o, $(T)crtn.o): Remove rules.
3827 2010-02-21 Tobias Burnus <burnus@net-b.de>
3830 * doc/invoke.texi (-fassociative-math): Document that this
3831 option is automatically enabled for Fortran.
3833 2010-02-20 David S. Miller <davem@davemloft.net>
3835 * configure.ac: Test if linker and assembler properly support
3836 GOTDATA_OP relocations.
3837 * configure: Rebuild.
3838 * config.in: Likewise.
3839 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
3840 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
3841 (movsi_high_pic): Likewise.
3842 (movdi_lo_sum_pic): Likewise.
3843 (movdi_high_pic): Likewise.
3844 (movsi_pic_gotdata_op): New pattern.
3845 (movdi_pic_gotdata_op): Likewise.
3846 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
3847 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
3849 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
3852 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
3853 attribute to ssemul.
3854 (xop_mulv2div2di3_high): Ditto.
3856 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
3859 * c.opt (Wconversion-null): New option.
3860 * doc/invoke.texi (Wconversion-null): Document.
3862 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
3864 * common.opt (Wlarger-than-): Add Undocumented.
3866 2010-02-19 Mike Stump <mikestump@comcast.net>
3868 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
3870 2010-02-19 Jason Merrill <jason@redhat.com>
3873 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
3874 * configure: Likewise.
3876 2010-02-20 Alan Modra <amodra@gmail.com>
3879 * cgraph.h (cgraph_make_decl_local): Declare.
3880 * cgraph.c (cgraph_make_decl_local): New function.
3881 (cgraph_make_node_local): Use it.
3882 * cgraphunit.c (cgraph_function_versioning): Likewise.
3883 * ipa.c (function_and_variable_visibility): Likewise.
3885 2010-02-19 Jakub Jelinek <jakub@redhat.com>
3888 * except.c (sjlj_emit_function_enter): Don't call
3889 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
3891 * rtl.h (add_reg_br_prob_note): Remove prototype.
3893 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
3896 * c-common.c (conversion_warning): Remove widening conversions
3897 before checking the conversion of integers to reals.
3899 2010-02-19 Mike Stump <mikestump@comcast.net>
3902 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
3905 * cgraphunit.c (process_function_and_variable_attributes): Check
3906 DECL_PRESERVE_P instead of looking up attribute "used".
3907 * ipa-pure-const.c (check_decl): Likewise.
3908 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
3909 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
3910 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
3911 instead of attribute "used".
3912 * config/sol2-c.c (solaris_pragma_init): Likewise.
3913 (solaris_pragma_fini): Likewise.
3915 2010-02-19 Jakub Jelinek <jakub@redhat.com>
3917 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
3918 Use XCNEW instead of xcalloc.
3919 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
3920 XNEW instead of xmalloc.
3921 (get_fields): Use XNEWVEC instead of xmalloc.
3924 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
3925 populate vars array.
3926 (create_new_general_access): For debug stmts just reset value.
3927 (get_stmt_accesses): For accesses within debug stmts just record them
3928 using add_access_to_acc_sites instead of preventing the peeling or
3929 counting them as accesses.
3932 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
3934 2010-02-19 Richard Guenther <rguenther@suse.de>
3936 PR tree-optimization/42916
3937 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
3940 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
3942 * configure.ac: Replace all uses of changequote in macro arguments
3943 with proper quoting.
3945 2010-02-19 Jakub Jelinek <jakub@redhat.com>
3948 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
3950 2010-02-19 Richard Guenther <rguenther@suse.de>
3952 PR tree-optimization/42944
3953 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
3954 test for aliasing with errno.
3956 2010-02-19 Jakub Jelinek <jakub@redhat.com>
3959 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
3960 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
3961 * dojump.c: Include output.h.
3962 (inv): New inline function.
3963 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
3964 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
3965 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
3966 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
3967 argument, pass it down to other calls.
3968 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
3969 add REG_BR_PROB note to the conditional jump.
3970 * cfgexpand.c (add_reg_br_prob_note): Removed.
3971 (expand_gimple_cond): Don't call it, add the probability
3972 as last argument to jumpif_1/jumpifnot_1.
3973 * Makefile.in (dojump.o): Depend on output.h.
3974 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
3976 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
3977 * stmt.c (do_jump_if_equal): Likewise.
3978 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
3979 * loop-unswitch.c (compare_and_jump_seq): Likewise.
3980 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
3982 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
3983 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
3984 jumpifnot_1 callers.
3985 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
3987 (store_expr): Adjust jumpifnot caller.
3988 (store_constructor): Adjust jumpif caller.
3991 * gimplify.c (gimple_boolify): For __builtin_expect call
3992 gimple_boolify also on its first argument.
3994 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
3996 * configure.ac (gnu-unique-object): Wrap regexps using [] in
3998 (__stack_chk_fail): Ditto. Remove quadrigraphs.
3999 * configure: Regenerated.
4001 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4003 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
4004 lang_hooks.types_compatible_p instead of comptypes.
4006 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
4008 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
4009 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
4010 if __prefer_thumb__ is defined.
4012 2010-02-18 Martin Jambor <mjambor@suse.cz>
4014 PR tree-optimization/43066
4015 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
4016 array with zero-sized element type.
4018 2010-02-18 Jakub Jelinek <jakub@redhat.com>
4020 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
4021 rtx, allocate struct var_loc_node here and return it to the
4022 caller, and only if it is actually needed.
4023 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
4024 move it earlier and return immediately if it returns NULL.
4026 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
4028 * config/sparc/gas.h: New file. Restore
4029 TARGET_ASM_NAMED_SECTION to its ELF default.
4030 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
4032 * config/sparc/sparc.c (sparc_elf_asm_named_section):
4033 Likewise. Add ATTRIBUTE_UNUSED to prototype.
4034 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
4035 after sparc/sysv4.h.
4037 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
4039 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
4041 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
4043 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
4044 patterns from predicated pattern.
4046 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
4049 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
4050 for insn mnemonic suffix.
4052 2010-02-17 Richard Guenther <rguenther@suse.de>
4054 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
4057 2010-02-17 Jakub Jelinek <jakub@redhat.com>
4060 * caller-save.c (save_call_clobbered_regs): If BB ends with
4061 a DEBUG_INSN, move any notes in between last real insn and the last
4062 DEBUG_INSN after the last DEBUG_INSN.
4064 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
4066 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
4067 Fix return type. Fix argument type. Explain meaning of return value.
4069 2010-02-16 Richard Guenther <rguenther@suse.de>
4071 PR tree-optimization/41043
4072 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
4073 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
4075 (vrp_visit_phi_node): ... but only for loop PHI nodes.
4077 2010-02-16 Ira Rosen <irar@il.ibm.com>
4079 PR tree-optimization/43074
4080 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
4081 * tree-vect-loop.c (vect_analyze_loop_operations): Add
4082 vectorizable cycles in hybrid SLP check.
4083 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
4085 2010-02-16 Richard Guenther <rguenther@suse.de>
4087 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
4088 (true_dependence): If memrefs_conflict_p computes must-alias
4089 trust it. Move TBAA check after offset-based disambiguation.
4090 (canon_true_dependence): Likewise.
4092 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
4094 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
4095 * doc/invoke.texi: Document it.
4096 * var-tracking.c: Include toplev.h and params.h.
4097 (vt_find_locations): Return bool indicating success. Compute
4098 hash sizes unconditionally. Check new parameter, report.
4099 (variable_tracking_main_1): Check vt_find_locations results and
4100 retry. Renamed from...
4101 (variable_tracking_main): ... this. New wrapper to preserve
4102 flag_var_tracking_assignments.
4103 * Makefile.in (var-tracking.o): Adjust dependencies.
4105 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
4106 Jakub Jelinek <jakub@redhat.com>
4109 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
4110 if weak_import attribute is present.
4111 * config/darwin.c (machopic_select_section): Likewise.
4113 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
4115 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
4116 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
4117 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
4118 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
4120 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument types.
4122 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
4125 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
4126 Rewrite text to refer to the names.
4128 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
4130 * config/i386/i386-builtin-types.def
4131 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
4132 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
4133 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
4134 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
4135 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
4136 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
4137 IX86_BUILTIN_VPERMIL2PS256.
4138 (MULTI_ARG_4_DF2_DI_I): Defined.
4139 (MULTI_ARG_4_DF2_DI_I1): Defined.
4140 (MULTI_ARG_4_SF2_SI_I): Defined.
4141 (MULTI_ARG_4_SF2_SI_I1): Defined.
4142 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
4143 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
4144 __builtin_ia32_vpermil2ps256.
4145 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
4146 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
4147 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
4148 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
4149 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
4150 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
4151 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
4152 CODE_FOR_xop_vpermil2v8sf3.
4153 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
4154 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
4155 * config/i386/xopintrin.h (_mm_permute2_pd): New.
4156 (_mm256_permute2_pd): New.
4157 (_mm_permute2_ps): New.
4158 (_mm256_permute2_ps): New.
4160 2010-02-15 Nick Clifton <nickc@redhat.com>
4162 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
4163 boolean parameters. Use emit_jump_insn when emitting a pop
4164 instruction containing a return insn.
4165 (push): Use 'true' rather than '1' as second parameter to F.
4166 (h8300_expand_prologue): Likewise.
4167 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
4168 (h8300_expand_epilogue): Likewise.
4170 2010-02-15 Richard Guenther <rguenther@suse.de>
4173 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
4176 2010-02-15 Nick Clifton <nickc@redhat.com>
4178 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
4181 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
4183 * intl.c (fake_ngettext): New function.
4184 * intl.h (fake_ngettext): Declare.
4185 (ngettext): Define macro.
4186 * collect2.c (notice_translated): New function.
4187 (main): Use notice_translated and ngettext.
4188 * collect2.h (notice_translated): Declare.
4190 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
4192 * reorg.c (delete_computation): Comment fixes.
4193 * caller-save.c (setup_save_areas): Idem.
4194 * sel-sched-dump.c (dump_lv_set): Idem.
4197 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4199 * config/s390/s390.c (s390_sched_init): New function.
4200 (TARGET_SCHED_INIT): Target hook defined.
4202 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
4203 Jack Howarth <howarth@bromo.med.uc.edu>
4204 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
4207 Partial revert of unintended change in fix for PR41605.
4208 * config/darwin.h: Fix typo.
4209 * config/darwin9.h: Same.
4211 2010-02-11 Jakub Jelinek <jakub@redhat.com>
4213 * c-pch.c (pch_init): Clear v.
4215 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4218 * graphite-scop-detection.c (graphite_can_represent_scev): Call
4219 graphite_can_represent_init for MULT_EXPR.
4221 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4225 * graphite-sese-to-poly.c (remove_phi): New.
4226 (translate_scalar_reduction_to_array): Call remove_phi.
4228 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4231 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
4232 * graphite-clast-to-gimple.h (gloog): Update declaration.
4233 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
4234 * graphite-poly.h (struct poly_bb): Add missing comments.
4235 (struct scop): Add poly_scop_p field.
4237 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
4238 * graphite.c (graphite_transform_loops): Build the polyhedral
4239 representation for each scop before code generation.
4240 * sese.c (rename_variables_in_operand): Removed.
4241 (rename_variables_in_expr): Return the renamed expression.
4242 (rename_sese_parameters): New.
4243 * sese.h (rename_sese_parameters): Declared.
4245 2010-02-11 Richard Guenther <rguenther@suse.de>
4247 PR tree-optimization/42998
4248 * tree-ssa-pre.c (create_expression_by_pieces): Treat
4249 POINTER_PLUS_EXPR properly.
4251 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4252 Changpeng Fang <changpeng.fang@amd.com>
4255 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
4256 the cost of an IV candidate when the IV is used in a test against zero.
4258 * gcc.dg/tree-ssa/ivopts-3.c: New.
4260 2010-02-11 Richard Guenther <rguenther@suse.de>
4263 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
4264 pointer-vs-decl case by swapping refs. Handle some cases
4265 of pointer-vs-decl disambiguations more conservatively.
4266 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
4267 to false after expanding.
4269 2010-02-11 Richard Guenther <rguenther@suse.de>
4272 * gcc.c (process_command): Handle LTO file@offset case more
4275 2010-02-11 Jakub Jelinek <jakub@redhat.com>
4277 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
4278 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
4280 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
4282 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
4283 if MEM's mode size isn't DWARF2_ADDR_SIZE.
4284 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
4285 Optimize eq/ne comparisons when both arguments are known to be
4287 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
4288 Don't mask operands unnecessarily if they are known to be already
4291 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
4293 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
4296 2010-02-10 Richard Guenther <rguenther@suse.de>
4298 PR tree-optimization/43017
4299 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
4300 for wrapping signed arithmetic.
4302 2010-02-10 Jakub Jelinek <jakub@redhat.com>
4305 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
4306 if no debug info should be emitted for it.
4308 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
4310 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
4311 note when flag_exceptions is set.
4313 2010-02-10 Duncan Sands <baldrick@free.fr>
4315 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
4317 2010-02-10 Richard Guenther <rguenther@suse.de>
4320 * tree.c (get_unwidened): Handle constants.
4321 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
4323 2010-02-10 Martin Jambor <mjambor@suse.cz>
4326 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
4327 check for variable argument counts independently.
4329 2010-02-10 Christian Bruel <christian.bruel@st.com>
4332 * config/sh/sh.c (find_barrier): Increase length for non delayed
4333 conditional branches.
4335 2010-02-10 Christian Bruel <christian.bruel@st.com>
4337 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
4339 2010-02-10 Jakub Jelinek <jakub@redhat.com>
4341 * builtins.c (set_builtin_user_assembler_name): Also handle
4342 ffs if int is smaller than word.
4344 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
4347 * ira-conflicts.c (get_dup): Remove.
4348 (process_reg_shuffles): Add new parameter. Use it as an
4349 additional guard for copy generation.
4350 (add_insn_allocno_copies): Rewrite.
4352 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
4354 * common.opt (fsched2-use-traces): Preserved for backward
4356 * doc/invoke.texi: Remove the documentation about option
4357 -fsched2-use-traces.
4358 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
4359 flag_sched2_use_traces.
4360 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
4361 the backward compatibility flag section.
4363 2010-02-09 Richard Guenther <rguenther@suse.de>
4365 PR tree-optimization/43008
4366 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
4367 make HEAP variables initialized from global memory if they
4368 are not known builtin functions.
4369 (find_func_aliases): Adjust.
4371 2010-02-09 Richard Guenther <rguenther@suse.de>
4373 PR tree-optimization/43000
4374 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
4375 arithmetic manually.
4377 2010-02-08 Jakub Jelinek <jakub@redhat.com>
4379 PR tree-optimization/42931
4380 * tree-loop-linear.c (try_interchange_loops): Don't call
4381 double_int_mul if estimated_loop_iterations failed.
4383 2010-02-08 Martin Jambor <mjambor@suse.cz>
4386 * tree-sra.c (build_accesses_from_assign): Do not mark in
4387 should_scalarize_away_bitmap if stmt has volatile ops.
4388 (sra_modify_assign): Do not process assigns piecemeal if if stmt
4391 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
4393 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
4395 2010-02-07 Adam Nemet <adambnmet@gmail.com>
4397 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
4400 2010-02-07 Andrew Pinski <pinskia@gmail.com>
4403 * df-core.c (df_finish_pass): Change type of saved_flags to int.
4405 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
4408 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
4409 to unknown_dependence.
4410 (graphite_legal_transform_dr): Handle the unknown_dependence.
4411 (graphite_carried_dependence_level_k): Same.
4413 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
4415 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
4417 2010-02-07 Richard Guenther <rguenther@suse.de>
4420 * expr.c (get_inner_reference): Always initialize *pbitsize.
4422 2010-02-07 Richard Guenther <rguenther@suse.de>
4425 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
4426 new ARRAY_REFs on variable size element or minimal index arrays.
4428 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
4429 gimple_fold_indirect_ref.
4431 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
4434 * arm.c (arm_override_options): Just return if the user has specified
4435 an invalid fpu name.
4437 2010-02-03 Jason Merrill <jason@redhat.com>
4440 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
4441 i386_pe_maybe_record_exported_symbol.
4443 2010-02-05 Steve Ellcey <sje@cup.hp.com>
4446 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
4447 (pa_delegitimize_address): New function.
4449 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
4451 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
4452 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
4454 2010-02-05 Richard Guenther <rguenther@suse.de>
4457 * lto-streamer-in.c (get_resolution): Deal with references
4458 to undefined functions.
4460 2010-02-05 Richard Guenther <rguenther@suse.de>
4462 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
4463 (fold_const_aggregate_ref): Likewise.
4464 (ccp_fold_stmt): Substitute loads.
4465 (maybe_fold_reference): Verify types before substituting.
4467 (fold_gimple_assign): Unshare properly.
4468 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
4470 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
4472 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
4473 for rs6000_gen_cell_microcode.
4475 2010-02-04 Richard Guenther <rguenther@suse.de>
4477 PR rtl-optimization/42952
4478 * dse.c (const_or_frame_p): Remove MEM handling.
4480 2010-02-04 Nick Clifton <nickc@redhat.com>
4482 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
4483 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
4484 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
4485 (mn10300_asm_output_mi_thunk): New function.
4486 (mn10300_can_output_mu_thunk): New function.
4487 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
4488 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
4489 (FUNCTION_ARG): Delete incorrect comment.
4491 2010-02-03 Jason Merrill <jason@redhat.com>
4494 * fold-const.c (operand_equal_p): Handle erroneous types.
4496 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
4498 * config/h8300/h8300.md (can_delay): Fix attibute condition.
4500 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
4502 PR rtl-optimization/42941
4503 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
4506 2010-02-03 Jason Merrill <jason@redhat.com>
4509 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
4511 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
4514 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
4515 (cselib_reset_table): Renamed from...
4516 (cselib_reset_table_with_next_value): ... this.
4517 (cselib_get_next_uid): Renamed from...
4518 (cselib_get_next_unknown_value): ... this.
4519 * cselib.c (next_uid): Renamed from...
4520 (next_unknown_value): ... this.
4521 (cselib_clear_table): Adjust.
4522 (cselib_reset_table): Adjust. Renamed from...
4523 (cselib_reset_table_with_next_value): ... this.
4524 (cselib_get_next_uid): Adjust. Renamed from...
4525 (cselib_get_next_unknown_value): ... this.
4526 (get_value_hash): Use hash.
4527 (cselib_hash_rtx): Likewise.
4528 (new_cselib_val): Adjust. Set and dump uid.
4529 (cselib_lookup_mem): Pass next_uid as hash.
4530 (cselib_subst_to_values): Likewise.
4531 (cselib_log_lookup): Dump uid.
4532 (cselib_lookup): Pass next_uid as hash. Adjust.
4533 (cselib_process_insn): Adjust.
4534 (cselib_init): Initialize next_uid.
4535 (cselib_finish): Adjust.
4536 (dump_cselib_table): Likewise.
4537 * dse.c (canon_address): Dump value uid.
4538 * print-rtl.c (print_rtx): Print value uid.
4539 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
4541 (dv_uid): New function, sort of renamed from...
4542 (dv_htab_hash): ... this, reimplemented in terms of it and...
4543 (dv_uid2hash): ... this. New.
4544 (variable_htab_eq): Drop excess assertions.
4545 (tie_break_pointers): Removed.
4546 (canon_value_cmp): Compare uids.
4547 (variable_post_merge_New_vals): Print uids.
4548 (vt_add_function_parameters): Adjust.
4549 (vt_initialize): Reset table. Adjust.
4551 2010-02-03 Richard Guenther <rguenther@suse.de>
4553 PR tree-optimization/42944
4554 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
4555 (call_may_clobber_ref_p_1): Likewise. Properly handle
4556 malloc and calloc clobbering errno.
4558 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
4560 * doc/invoke.texi: Fix name of sched1 dump.
4562 * opts.c (decode_options): Set flag_tree_switch_conversion
4563 only conditionally on optimize >= 2.
4565 * gcse.c: Assorted comment fixes in pass description.
4567 2010-02-03 Anthony Green <green@moxielogic.com>
4569 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
4570 nop padding in order to maintain alignment of storage location of
4571 target function address.
4572 (moxie_trampoline_init): Store target function address at newly
4574 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
4576 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
4578 2010-02-03 Richard Guenther <rguenther@suse.de>
4581 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
4583 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4585 * config.gcc: Reenable check for obsolete targets.
4586 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
4587 mips-sgi-irix6.[0-4]*.
4589 2010-02-02 Nick Clifton <nickc@redhat.com>
4591 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
4592 constant size of 4 as being the same as 0.
4593 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
4594 can take values in the range 0..4.
4596 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
4599 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
4600 as _darwin10_Unwind_FindEnclosingFunction().
4601 * libgcc-libsystem.ver: New.
4603 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
4606 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
4607 implicitly set registers.
4609 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
4611 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
4612 (arm_override_options): Allow automatic selection of the thread
4613 pointer register if thumb2.
4614 (legitimize_pic_address): Improve code sequences for Thumb2.
4615 (arm_call_tls_get_addr): Likewise.
4616 (legitimize_tls_address): Likewise.
4617 * arm.md (pic_load_addr_arm): Delete. Replace with ...
4618 (pic_load_addr_32bit): ... this. New named pattern.
4619 * thumb2.md (pic_load_addr_thumb2): Delete.
4620 (pic_load_dot_plus_four): Delete.
4621 (tls_load_dot_plus_four): New named pattern.
4623 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4626 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
4627 Document fix for TLS bug.
4629 2010-01-31 Richard Guenther <rguenther@suse.de>
4631 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
4632 conservatively correct.
4634 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4638 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4640 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
4642 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4644 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
4646 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
4648 * config.gcc: Adjust order of makefile fragments for mingw targets.
4650 2010-01-31 Richard Guenther <rguenther@suse.de>
4653 * gimplify.c (gimplify_init_constructor): For volatile LHS
4654 initialize a temporary.
4656 2010-01-31 Matthias Klose <doko@ubuntu.com>
4658 * configure.ac: Fix __stack_chk_fail check for cross builds configured
4660 * configure: Regenerate.
4662 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
4664 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
4665 the same alias set and their sizes different constantness.
4666 (aliasing_component_refs_p): Revert 2009-10-24 change.
4668 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4670 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
4673 2010-01-29 Richard Guenther <rguenther@suse.de>
4675 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
4676 Assert we successfully updated the call.
4678 2010-01-29 Jakub Jelinek <jakub@redhat.com>
4680 PR rtl-optimization/42889
4681 * df.h (df_set_bb_dirty_nonlr): New prototype.
4682 * df-core.c (df_set_bb_dirty_nonlr): New function.
4683 * df-scan.c (df_insn_rescan): Call it instead of
4684 df_set_bb_dirty for DEBUG_INSNs.
4686 2010-01-29 Richard Guenther <rguenther@suse.de>
4689 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
4690 quadratic behavior in most cases.
4692 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
4695 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
4696 in the call to gen_x86_movsicc_0_m1.
4698 2010-01-28 Richard Guenther <rguenther@suse.de>
4700 PR tree-optimization/42871
4701 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
4703 2010-01-28 Richard Guenther <rguenther@suse.de>
4705 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
4706 into call arguments.
4708 2010-01-28 Richard Guenther <rguenther@suse.de>
4711 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
4712 the forwarder if the destination is an EH landing pad.
4714 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
4716 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
4717 block list passed to gimple_duplicate_sese_tail.
4718 (parallelize_loops): Avoid parallelization when the function
4720 Avoid parallelization when the preheader is IRREDUCIBLE.
4721 Try to optimize when estimated_loop_iterations_int is unresolved.
4722 Add the loop's location to the dump file.
4723 * tree-cfg.c (add_phi_args_after_redirect): Remove.
4724 (gimple_duplicate_sese_tail): Remove the check for the latch.
4725 Redirect nexits to the exit block.
4726 Remove handling of the incoming edges to the latch.
4727 Redirect the backedge from the copied latch to the exit bb.
4729 2010-01-28 Michael Matz <matz@suse.de>
4732 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
4733 Wrap force_reg into a sequence, emit it before user.
4735 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
4737 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
4739 (arm_legacy_rev): Likewise.
4740 (thumb_legacy_rev): Likewise.
4742 2010-01-27 Jakub Jelinek <jakub@redhat.com>
4744 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
4745 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
4746 on MEM's address failed, try avoid_constant_pool_reference and
4747 recurse if it returned something different.
4748 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
4749 address, try avoid_constant_pool_reference and recurse if it
4750 returned something different.
4751 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
4752 address and avoid_constant_pool_reference returned something
4753 different, don't set have_address.
4755 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
4758 * var-tracking.c (val_store): Add modified argument, obey it.
4760 (count_uses): Move down logging of main.
4761 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
4762 don't need resolution.
4763 (emit_notes_in_bb): Likewise.
4765 2010-01-27 Richard Guenther <rguenther@suse.de>
4768 * tree-inline.c (remap_decl): Delay remapping of SSA name
4769 default definitions until we need them.
4771 2010-01-27 Jakub Jelinek <jakub@redhat.com>
4773 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
4774 (rs6000_delegitimize_address): New function.
4776 * config/s390/s390.c (s390_delegitimize_address): Call
4777 delegitimize_mem_from_attrs.
4780 * tree-inline.c (cannot_copy_type_1): Removed.
4781 (copy_forbidden): Don't forbid copying of functions containing
4782 records/unions with variable length fields.
4784 2010-01-27 Christian Bruel <christian.bruel@st.com>
4788 * config/sh/sh.c (find_barrier): Increase length for non delayed
4789 conditional branches.
4791 2010-01-27 Matthias Klose <doko@ubuntu.com>
4793 * configure.ac (gnu-unique-object): Fix ldd version check.
4794 * configure: Regenerate.
4796 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4798 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
4800 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
4801 Test for HAVE_GNU_AS value.
4803 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4805 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
4806 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
4807 INT64_TYPE): Define.
4808 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
4809 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
4810 INT_LEAST64_TYPE): Define.
4811 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
4812 UINT_LEAST64_TYPE): Define.
4813 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
4814 INT_FAST64_TYPE): Define.
4815 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
4816 UINT_FAST64_TYPE): Define.
4817 (INTMAX_TYPE, UINTMAX_TYPE): Define.
4818 (INTPTR_TYPE, UINTPTR_TYPE): Define.
4819 (SIG_ATOMIC_TYPE): Define.
4821 2010-01-26 Richard Guenther <rguenther@suse.de>
4823 * df-scan.c (df_scan_set_bb_info): Remove assert.
4824 (df_insn_rescan_debug_internal): Merge asserts.
4825 (df_install_ref): Likewise.
4826 (df_mark_reg): Use bitmap_set_range.
4827 (df_hard_reg_used_p): Remove assert.
4828 (df_hard_reg_used_count): Likewise.
4830 2010-01-26 Richard Guenther <rguenther@suse.de>
4832 PR rtl-optimization/42685
4833 * web.c (web_main): Ignore DEBUG_INSNs.
4835 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
4837 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
4839 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
4840 Fix types of fndecl and arglist parameters.
4842 2010-01-26 Richard Guenther <rguenther@suse.de>
4845 * tree-eh.c (unsplit_eh): Skip debug insns.
4847 2010-01-26 Richard Guenther <rguenther@suse.de>
4849 PR tree-optimization/42250
4850 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
4852 2010-01-26 Jakub Jelinek <jakub@redhat.com>
4855 * omp-low.c (expand_omp_sections): Only use single_pred if
4856 l2_bb is single_pred_p.
4858 2010-01-25 Christian Bruel <christian.bruel@st.com>
4861 * config/sh/sh.c (find_barrier): Increase length for non delayed
4862 conditional branches.
4863 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
4865 2010-01-24 David S. Miller <davem@davemloft.net>
4867 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
4868 define if not using GAS.
4869 * config/sparc/sparc.c (sparc_elf_asm_named_section):
4870 Likewise. Delete SECTION_MERGE code, which is only applicable
4873 2010-01-24 Mark Mitchell <mark@codesourcery.com>
4876 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
4877 mangling of va_list in system headers.
4879 2010-01-23 Toon Moene <toon@moene.org>
4881 * tree-predcom.c (combine_chains): Return NULL, not false.
4883 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
4885 * tree-loop-distribution.c (distribute_loop): Fix declaration and
4886 initialization of variable res to agree with return type.
4888 2010-01-22 Steve Ellcey <sje@cup.hp.com>
4890 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
4891 * tree-sra.c: Add include of expr.h.
4893 2010-01-22 Jakub Jelinek <jakub@redhat.com>
4895 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
4896 insert the debug stmt on the single non-EH edge from the stmt.
4898 2010-01-22 Richard Henderson <rth@redhat.com>
4901 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
4902 the RHS until after generate_subtree_copies has insertted its
4903 code before the current statement.
4905 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
4907 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
4909 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
4911 2010-01-21 Martin Jambor <mjambor@suse.cz>
4913 PR tree-optimization/42585
4914 * tree-sra.c (struct access): New field grp_total_scalarization.
4915 (dump_access): Dump the new field.
4916 (should_scalarize_away_bitmap): New variable.
4917 (cannot_scalarize_away_bitmap): Likewise.
4918 (sra_initialize): Allocate new bitmaps.
4919 (sra_deinitialize): Free new bitmaps.
4920 (create_access_1): New function.
4921 (create_access): Parts moved to create_access_1.
4922 (type_consists_of_records_p): New function.
4923 (completely_scalarize_record): Likewise.
4924 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
4925 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
4926 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
4928 (analyze_all_variable_accesses): Completely scalarize small eligible
4931 2010-01-21 Martin Jambor <mjambor@suse.cz>
4933 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
4935 2010-01-21 Andrew Haley <aph@redhat.com>
4937 * gcc.c (process_command): Move lang_specific_driver before
4938 setting cc_libexec_prefix.
4940 2010-01-21 Richard Guenther <rguenther@suse.de>
4943 * fold-const.c (negate_expr_p): Pretend only negative
4944 real constants are easily negatable.
4946 2010-01-20 Janis Johnson <janis187@us.ibm.com>
4947 Jason Merrill <jason@redhat.com>
4949 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
4950 (TYPE_TRANSPARENT_AGGR): this, for union and record.
4951 * calls.c (initialize argument_information): Handle it.
4952 * c-common.c (handle_transparent_union_attribute): Use new name.
4953 * c-decl.c (finish_struct): Ditto.
4954 * c-typeck.c (type_lists_compatible_p): Ditto.
4955 (convert_for_assignment): Use new name and also handle record.
4956 * function.c (aggregate_value_p): Handle it.
4957 (pass_by_reference): Ditto.
4958 (assign_parm_data_types): Ditto.
4959 * print-tree.c (print_node): Ditto.
4960 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
4961 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
4962 * tree.c (first_field): New fn.
4964 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
4967 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
4968 even when linking statically, for now.
4970 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
4973 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
4974 without a cselib val.
4975 (count_uses): Accept MO_VAL_SET with no val on stores.
4976 (add_stores): Likewise.
4978 2010-01-20 Jakub Jelinek <jakub@redhat.com>
4980 * var-tracking.c (check_value_val): Add a compile time assertion.
4981 (dv_is_decl_p): Simplify.
4982 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
4983 gcc_assert if ENABLE_CHECKING.
4985 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
4988 * var-tracking.c: Include tree-flow.h.
4989 (mem_dies_at_call): New.
4990 (dataflow_set_preserve_mem_locs): Use it.
4991 (dataflow_set_remove_mem_locs): Likewise.
4992 (dump_var): Renamed from dump_variable. Adjust all callers.
4993 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
4994 * Makefile.in (var-tracking.o): Adjust deps.
4996 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
4998 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
5000 2010-01-20 Richard Guenther <rguenther@suse.de>
5002 PR tree-optimization/42717
5003 * tree-ssa-dce.c (get_live_post_dom): Remove.
5004 (forward_edge_to_pdom): Take an arbitrary edge to copy
5005 degenerate PHI args from.
5006 (remove_dead_stmt): Use the first post-dominator even if it
5007 does not contain live statements as redirection destination.
5009 2010-01-20 Richard Guenther <rguenther@suse.de>
5011 * tree-inline.c (estimate_num_insns): Handle EH builtins.
5013 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5015 * sel-sched.c (create_speculation_check): Remove set but not used
5017 (try_transformation_cache): Remove set but not used variable ds.
5018 (calculate_privileged_insns): Remove set but not used variables
5019 cur_insn and min_spec_insn.
5020 (find_best_expr): Remove set but not used variable avail_n.
5021 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
5023 * cgraphunit.c (assemble_thunk): Remove set but not used variable
5025 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
5026 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
5029 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
5032 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
5033 cpu types. Add support for *-sse3 cpu types.
5034 (x86_64-*-*): Ditto.
5036 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5039 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
5040 argument, call initializer_constant_valid_p_1 instead of
5041 initializer_constant_valid_p, pass CACHE to it, return NULL
5042 immediately if first call returns NULL.
5043 (initializer_constant_valid_p_1): New function.
5044 (initializer_constant_valid_p): Use it.
5046 2010-01-20 Thomas Quinot <quinot@adacore.com>
5048 * tree.def (PLACEHOLDER_EXPR): Fix comment.
5050 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5052 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
5053 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
5054 (loc_list_from_tree): Don't handle unsigned division. Handle
5055 signed modulo using DW_OP_{over,over,div,mul,minus}.
5056 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
5057 modulo instead of signed.
5059 2010-01-20 DJ Delorie <dj@redhat.com>
5061 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
5063 (h8300_emit_stack_adjustment): Propogate it.
5065 (h8300_expand_prologue): Likewise.
5066 (h8300_expand_epilogue): Likewise.
5068 2010-01-19 Michael Matz <matz@suse.de>
5070 PR tree-optimization/41783
5071 * tree-data-ref.c (toplevel): Include flags.h.
5072 (dump_data_dependence_relation): Also dump the inputs if the
5073 result will be unknown.
5074 (split_constant_offset_1): Look through some conversions.
5075 * tree-predcom.c (determine_roots_comp): Restart a new chain if
5076 the offset from last element is too large.
5077 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
5078 (reassociate_to_the_same_stmt): Handle vector registers.
5079 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
5081 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
5082 wide_prolog_niters argument, emit widening instructions.
5083 (vect_do_peeling_for_alignment): Adjust caller, use widened
5084 variant of the iteration cound.
5085 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
5087 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5090 * config/arm/neon-testgen.m (emit_automatics): New parameter
5091 features. Adjust for Fixed_return_reg feature.
5092 (test_intrinsic): Call emit_automatics with new feature.
5093 * config/arm/neon.ml: Update copyright years.
5094 (features): New Fixed_return_reg feature.
5095 (ops): Update feature for Vget_low.
5097 2010-01-19 Jakub Jelinek <jakub@redhat.com>
5099 PR tree-optimization/42719
5100 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
5104 * fwprop.c (all_uses_available_at): Return false if def_set dest
5105 is a REG that is used in def_insn.
5107 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
5109 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
5111 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
5114 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
5116 * target.h (struct gcc_target) <secondary_reload>: Change type
5117 of last argument to secondary_reload_info *.
5119 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
5122 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
5123 memory references with unaligned offsets. Remove CQImode handling.
5124 (unaligned_memory_operand): Return 1 for memory references with
5125 unaligned offsets. Remove CQImode handling.
5127 2010-01-18 Richard Guenther <rguenther@suse.de>
5130 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
5133 2010-01-18 Richard Guenther <rguenther@suse.de>
5135 PR tree-optimization/42781
5136 * tree-ssa-structalias.c (find_what_var_points_to): Skip
5137 restrict processing only if the original variable was artificial.
5139 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
5141 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
5142 find number of popped argument bytes.
5144 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
5145 Fix the text that describes the return value for invalid insns.
5147 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
5149 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
5150 Clarify what 'cost of the -dependence' is. Fix quoting.
5152 * toplev.c (default_get_pch_validity): Rename argument to "sz".
5153 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
5155 2010-01-17 Jakub Jelinek <jakub@redhat.com>
5157 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
5158 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
5160 2010-01-17 Richard Guenther <rguenther@suse.de>
5163 * function.c (split_complex_args): Take a VEC to modify.
5164 (assign_parms_augmented_arg_list): Build a VEC instead of
5165 a chain of PARM_DECLs.
5166 (assign_parms_unsplit_complex): Take a VEC of arguments.
5167 Do not fixup unmodified parms.
5168 (assign_parms): Deal with the VEC.
5169 (gimplify_parameters): Likewise.
5171 2010-01-17 Richard Guenther <rguenther@suse.de>
5173 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
5174 node existence check.
5175 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
5176 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
5177 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
5178 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
5179 (gimple_execute_on_growing_pred): Likewise.
5181 2010-01-17 Richard Guenther <rguenther@suse.de>
5183 PR tree-optimization/42773
5184 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
5185 (compute_antic_aux): Likewise.
5186 (compute_partial_antic_aux): Likewise.
5188 2010-01-17 Jie Zhang <jie.zhang@analog.com>
5191 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
5194 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
5196 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
5199 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
5200 Fix markup for strict argument.
5202 (TARGET_SCHED_REORDER2): Fix argument types.
5204 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
5205 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
5207 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
5208 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
5210 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
5213 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
5214 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
5215 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
5216 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
5217 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
5219 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
5221 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
5223 (TARGET_ASM_RELOC_RW_MASK): Add return type.
5224 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
5226 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
5228 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
5231 (TARGET_ASM_NAMED_SECTION): Fix argument list.
5233 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
5234 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
5236 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
5238 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
5240 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
5241 referring to it. Fix language.
5243 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
5245 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
5247 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
5249 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
5251 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
5252 '@var{stream}. Remove stray 'and'.
5254 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
5256 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
5258 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
5260 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
5261 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
5263 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
5264 Fix description of return value.
5265 Rename argument "sz" to "len."
5267 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
5268 Clarify meaning of 'true' return value.
5270 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
5272 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
5273 rep_mode versus mode_rep.
5275 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
5277 (TARGET_BUILTIN_DECL): Fix name.
5279 (TARGET_COMMUTATIVE_P): Fix type of first argument.
5281 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
5283 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
5285 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
5287 (TARGET_RELAXED_ORDERING): Use @deftypevr.
5289 (TARGET_GET_DRAP_RTX): Note that this is a hook.
5292 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
5293 Rename argument tm_fn to md_fn.
5295 (TARGET_OPTION_PRINT): Fix argument list.
5297 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
5300 * config/i386/i386.c (ix86_fixup_binary_operands):
5301 Revert FMA4 fixup of operands.
5303 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5306 * Makefile.in (write_entries_to_file, install-plugin):
5307 Use \012 instead of \n with tr.
5309 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
5311 * configure.ac (HAVE_AS_REF): New C macro.
5312 * configure: Regenerate.
5313 * config.in: Likewise.
5314 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
5316 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
5319 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
5321 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
5323 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
5325 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
5327 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
5329 (TARGET_IN_SMALL_DATA_P): Fix argument type.
5331 (TARGET_BINDS_LOCAL_P): Fix argument type.
5333 (TARGET_ASM_FILE_END): Use prototype.
5335 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
5337 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
5339 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
5341 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
5343 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
5344 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
5346 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
5347 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
5349 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
5350 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
5351 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
5352 (TARGET_ADDR_SPACE_CONVERT): Likewise.
5354 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
5356 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
5358 (TARGET_INIT_BUILTINS): Use prototype.
5360 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
5361 Put 'const char *' in braces. Fix parameter types.
5362 (TARGET_INVALID_CONVERSION): Fix parameter types.
5363 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
5364 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
5366 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
5369 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
5371 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
5373 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
5375 * doc/tm.texi (TARGET_HELP): Fix return type.
5377 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
5378 in braces. Fix argument types.
5380 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
5382 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
5384 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
5386 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
5387 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
5389 (TARGET_MANGLE_TYPE): Fix argument types.
5391 (TARGET_IRA_COVER_CLASSES): Use prototype.
5393 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
5395 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
5397 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
5399 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
5401 (TARGET_CALLEE_COPIES): Fix argument types.
5403 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
5405 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
5407 (TARGET_FUNCTION_VALUE): Fix argument types.
5409 (TARGET_RETURN_IN_MSB): Fix argument type.
5411 (TARGET_RETURN_IN_MEMORY): Fix argument types.
5413 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
5415 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
5417 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
5418 agree with return type.
5420 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
5422 2010-01-15 Jing Yu <jingyu@google.com>
5424 PR rtl-optimization/42691
5425 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
5426 a pseudo to a constant and are merged, and adjust comments.
5428 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
5430 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
5432 2010-01-15 Richard Guenther <rguenther@suse.de>
5435 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
5436 labels of computed or non-local gotos to the destination.
5437 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
5438 landing pad label is the first label.
5440 2010-01-15 Richard Guenther <rguenther@suse.de>
5442 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
5444 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
5447 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
5448 to allow generation of the xssqrtdp instruction on power7.
5449 (sqrtdf2_fpr): Ditto.
5451 2010-01-14 Jakub Jelinek <jakub@redhat.com>
5454 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
5455 functions with noreturn attribute.
5458 * varasm.c (declare_weak): Add weak attribute to decl if it
5459 doesn't have one already.
5460 (assemble_external): Only add decls to weak_decls if they also
5461 have weak attribute.
5463 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
5465 * var-tracking.c (var_reg_delete): Don't delete the association
5466 between REGs and values or one-part variables if the register
5469 2010-01-14 Jakub Jelinek <jakub@redhat.com>
5472 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
5473 because its first operand is a non-localized variable.
5475 2010-01-14 Martin Jambor <mjambor@suse.cz>
5477 PR tree-optimization/42706
5478 * tree-sra.c (encountered_recursive_call): New variable.
5479 (encountered_unchangable_recursive_call): Likewise.
5480 (sra_initialize): Initialize both new variables.
5481 (callsite_has_enough_arguments_p): New function.
5482 (scan_function): Call decl and flags check only for IPA-SRA, check
5483 whether there is a recursive call and whether it has enough arguments.
5484 (all_callers_have_enough_arguments_p): New function.
5485 (convert_callers): Look for recursive calls only when
5486 encountered_recursive_call is set.
5487 (ipa_early_sra): Bail out either if
5488 !all_callers_have_enough_arguments_p or
5489 encountered_unchangable_recursive_call.
5491 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5493 * sel-sched.c: Add 2010 to copyright years.
5494 * sel-sched-ir.c: Likewise.
5495 * sel-sched-ir.h: Likewise.
5497 2010-01-14 Martin Jambor <mjambor@suse.cz>
5499 PR tree-optimization/42714
5500 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
5501 constructors specially.
5503 2010-01-14 Andi Kleen <ak@linux.intel.com>
5505 * config/i386/drivers-i386.c (detect_caches_intel):
5506 Add l2sizekb parameter and fill in.
5507 (host_detect_local_cpu): Add l2sizekb, fill in.
5508 Add Atom small cache heuristic.
5510 2010-01-14 Andi Kleen <ak@linux.intel.com>
5512 * config/i386/drivers-i386.c (detect_caches_cpuid4):
5513 Add level3 parameter and fill in.
5514 (detect_caches_intel): Handle level3 cache.
5516 2010-01-14 Andi Kleen <ak@linux.intel.com>
5518 * config/i386/drivers-i386.c (host_detect_local_cpu):
5519 Fix core duo detection.
5521 2010-01-14 Andi Kleen <ak@linux.intel.com>
5523 * config/i386/drivers-i386.c (host_detect_local_cpu):
5526 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5528 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
5529 (rs6000_variable_issue_1): this. Use...
5530 (rs6000_variable_issue): here. Reimplement. Print debug info.
5532 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5534 * sel-sched-ir.c (sel_restore_other_notes): Rename to
5535 sel_restore_notes. Update all callers. Call reemit_notes
5538 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5540 PR rtl-optimization/42246
5541 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
5544 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5546 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
5547 all successors is the same as number of successors in current region.
5549 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5551 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
5552 to rename is not separable. Otherwise check that its LHS is not NULL.
5554 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5556 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
5558 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5560 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
5561 available registers when failed to discover LHS register class.
5562 Fix indentation. Update comment.
5564 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5565 Alexander Monakov <amonakov@ispras.ru>
5567 PR rtl-optimization/42389
5568 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
5570 (advance_state_on_fence): Likewise.
5571 (sel_target_adjust_priority): Print debug output only when
5572 sched_verbose >= 4, not 2.
5573 (get_expr_cost): Do not issue all unique insns on the next cycle.
5574 (fill_insns): Initialize can_issue_more from the value saved
5576 * sel-sched-ir.c (flist_add): New parameter issue_more.
5577 Init FENCE_ISSUE_MORE with it.
5578 (merge_fences): Likewise.
5579 (init_fences): Update call to flist_add.
5580 (add_to_fences, add_clean_fence_to_fences)
5581 (add_dirty_fence_to_fences): Likewise.
5582 (move_fence_to_fences): Update call to merge_fences.
5583 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
5585 * sel-sched-ir.h (struct _fence): New field issue_more.
5586 (FENCE_ISSUE_MORE): New accessor macro.
5588 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5590 PR rtl-optimization/42388
5591 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
5592 that have no predecessors nor successors. Do not call move_bb_info
5593 for empty blocks outside of current region.
5595 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5597 PR rtl-optimization/42294
5598 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
5599 * sel-sched.c (move_exprs_to_boundary): Transitively add all
5600 originators' originators.
5602 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5604 PR rtl-optimization/39453
5605 PR rtl-optimization/42246
5606 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
5608 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
5610 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5611 Alexander Monakov <amonakov@ispras.ru>
5614 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
5615 (maybe_tidy_empty_bb): ... here. Make static. Add new
5616 argument. Update all callers.
5617 (tidy_control_flow): ... and here. Recompute topological order
5618 of basic blocks in region if necessary.
5619 (sel_redirect_edge_and_branch): Change return type. Return true
5620 if topological order might have been invalidated.
5621 (purge_empty_blocks): Export and move from...
5622 * sel-sched.c (purge_empty_blocks): ... here.
5623 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
5624 (maybe_tidy_empty_bb): Delete prototype.
5625 (purge_empty_blocks): Declare.
5627 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5629 PR rtl-optimization/42249
5630 * sel-sched.c (try_replace_dest_reg): When chosen register
5631 and original register is the same, do not bail out early, but
5632 still check all original insns for validity of replacing destination
5633 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
5636 2010-01-14 Jakub Jelinek <jakub@redhat.com>
5639 Port from no-undefined-overflow branch:
5640 2009-03-09 Richard Guenther <rguenther@suse.de>
5642 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
5644 2010-01-14 Richard Guenther <rguenther@suse.de>
5647 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
5649 2010-01-14 Ira Rosen <irar@il.ibm.com>
5651 PR tree-optimization/42709
5652 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
5653 as scalar type in creation of constant vector operand.
5655 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5658 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
5659 (check-parallel-%): Match `testsuite' directory component only
5662 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
5664 PR translation/39521
5665 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
5668 2010-01-13 Richard Guenther <rguenther@suse.de>
5670 PR tree-optimization/42730
5671 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
5674 2010-01-13 Steve Ellcey <sje@cup.hp.com>
5677 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
5678 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
5681 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
5683 * config/bfin/libgcc-bfin.ver: Regenerate based on current
5684 libgcc-std.ver. Add entries for ___smulsi3_highpart and
5685 ___umulsi3_highpart.
5687 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
5688 rather than schedule_insns if the pass is enabled.
5690 2010-01-13 Martin Jambor <mjambor@suse.cz>
5692 PR tree-optimization/42704
5693 * tree-sra.c (sra_modify_assign): Do not delete assignments to
5696 2010-01-13 Martin Jambor <mjambor@suse.cz>
5698 PR tree-optimization/42703
5699 * tree-sra.c (analyze_access_subtree): Check that we can build a
5700 reference to the original data within the aggregate.
5702 2010-01-13 Richard Guenther <rguenther@suse.de>
5704 PR tree-optimization/42705
5705 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
5707 2010-01-13 Richard Guenther <rguenther@suse.de>
5710 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
5712 2010-01-13 Jakub Jelinek <jakub@redhat.com>
5715 * var-tracking.c (values_to_unmark): New variable.
5716 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
5717 values_to_unmark vector. Moved body to...
5718 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
5719 instead queue it into values_to_unmark vector.
5720 (vt_find_locations): Free values_to_unmark vector.
5722 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
5724 * config/s390/s390.c (override_options): Set
5725 default of max-pending-list-length to 256
5727 2010-01-13 Richard Guenther <rguenther@suse.de>
5730 * tree-pass.h (PROP_gimple_lcx): New.
5731 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
5732 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
5733 before the final cleanup_eh.
5734 (dump_properties): Dump PROP_gimple_lcx.
5735 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
5736 (tree_lower_complex_O0): Remove.
5737 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
5738 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
5739 tree_lower_complex, schedule TODO_update_ssa.
5740 * lto-streamer-out.c (output_function): Stream the functions
5742 * lto-streamer-in.c (input_function): Likewise.
5743 (lto_read_body): Do not override them here.
5745 2010-01-12 Joseph Myers <joseph@codesourcery.com>
5748 * c-typeck.c (build_c_cast): Fold value cast to union type before
5749 wrapping it in a CONSTRUCTOR.
5751 2010-01-12 Jakub Jelinek <jakub@redhat.com>
5753 PR rtl-optimization/42699
5754 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
5757 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5759 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
5760 SUBTARGET_WARN_UNUSED_SPEC): Move ...
5761 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
5762 SUBTARGET_WARN_UNUSED_SPEC): ... here
5763 * config/mips/iris5.h (LIBGCC_SPEC): Define.
5765 2010-01-12 Julian Brown <julian@codesourcery.com>
5767 * config/arm/neon-schedgen.ml (Utils): Don't try to
5768 open missing module.
5769 (find_with_result): New.
5771 2010-01-12 Jakub Jelinek <jakub@redhat.com>
5774 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
5775 sharing when canonicalizing ({lt,ge}u (plus a b) b).
5777 PR tree-optimization/42645
5778 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
5779 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
5780 decl_map, set processing_debug_stmt to -1 and return name without
5783 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
5785 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
5786 binutils version, and reword target configuration description.
5788 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
5790 * config/avr/avr.h (LINKER_NAME): Remove.
5792 2010-01-11 Janis Johnson <janis187@us.ibm.com>
5795 * config/rs6000/rs6000.c (rs6000_override_options): On targets
5796 that support VSX, warn for -mno-altivec if vsx is not disabled,
5799 2010-01-11 Joseph Myers <joseph@codesourcery.com>
5800 Shujing Zhao <pearly.zhao@oracle.com>
5802 PR translation/42469
5803 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
5804 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
5805 character between option name and help text.
5806 * c.opt (imultilib): Likewise.
5808 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
5810 * lto-streamer-out.c (output_unreferenced_globals): Output static
5813 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
5815 PR rtl-optimization/42621
5816 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
5817 optimizing for size.
5818 (duplicate_computed_gotos): Remove now-redundant check.
5820 2010-01-10 Steve Ellcey <sje@cup.hp.com>
5823 * configure.ac: Save and restore LDFLAGS and LIBS
5824 * configure: Regenerate.
5826 2010-01-10 Richard Guenther <rguenther@suse.de>
5829 * builtins.c (fold_builtin_strlen): Add type argument and
5830 convert the resulting length to it.
5831 (fold_builtin_1): Adjust.
5833 2010-01-09 Jakub Jelinek <jakub@redhat.com>
5835 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
5836 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
5838 (num_insns_constant_wide): Adjust for that change.
5840 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5843 * web.c (union_defs): Add used argument, to combine uses of
5845 (entry_register): Adjust type and tests of used argument.
5846 (web_main): Widen used for new use. Pass it to union_defs.
5847 * df.h (union_defs): Adjust prototype.
5849 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5852 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
5853 uses in new incoming argument. Free body.
5854 (reset_debug_uses_in_loop): New.
5855 (analyze_insn_to_expand_var): Call the latter if the former found
5856 anything. Fix whitespace. Reject invalid dest overlaps before
5857 going through all insns in the loop.
5859 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5862 * haifa-sched.c (dying_use_p): Debug insns don't count.
5864 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5867 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
5868 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
5869 (verify_gimple_call): Reject LHS in noreturn calls.
5871 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5875 * tree-vect-loop-manip.c (adjust_info): New type.
5876 (adjust_vec): New pointer to vector.
5877 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
5878 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
5879 (slpeel_update_phis_for_duplicate_loop): Use them.
5880 (slpeel_update_phi_nodes_for_guard1): Likewise.
5881 (slpeel_update_phi_nodes_for_guard2): Likewise.
5882 (slpeel_tree_peel_loop_to_edge): Likewise.
5883 (vect_update_ivs_after_vectorizer): Likewise.
5885 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5887 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
5888 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
5890 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5892 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
5893 bogus uninitialized warning.
5895 2010-01-09 Richard Guenther <rguenther@suse.de>
5898 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
5899 the evolution is compatible with the initial condition.
5901 2010-01-09 Jakub Jelinek <jakub@redhat.com>
5903 * gcc.c (process_command): Update copyright notice dates.
5904 * gcov.c (print_version): Likewise.
5905 * gcov-dump.c (print_version): Likewise.
5906 * mips-tfile.c (main): Likewise.
5907 * mips-tdump.c (main): Likewise.
5909 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
5912 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
5914 (rotlhi3_8): Delete.
5916 (rotlsi3_8): Delete.
5917 (rotlsi3_16): Delete.
5918 (rotlsi3_24): Delete.
5920 (*rotw<mode>3): New.
5921 (*rotb<mode>3): New.
5922 * config/avr/avr.c (avr_rotate_bytes): New function.
5923 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
5925 2010-01-08 Steve Ellcey <sje@cup.hp.com>
5928 * configure.ac: Modify -rdynamic check.
5929 * configure: Regenerate.
5931 2010-01-08 DJ Delorie <dj@redhat.com>
5933 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
5934 register popping order.
5936 2010-01-08 Richard Guenther <rguenther@suse.de>
5939 * c.opt (fsigned-char): Also let LTO handle this option.
5940 (funsigned-char): Likewise.
5942 2010-01-07 Richard Guenther <rguenther@suse.de>
5944 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
5945 (gimple_op): Likewise.
5946 (gimple_op_ptr): Likewise.
5947 (gimple_assign_set_lhs): Remove gcc_assert.
5948 (gimple_assign_set_rhs1): Likewise.
5949 (gimple_assign_set_rhs2): Likewise.
5950 (gimple_call_set_lhs): Likewise.
5951 (gimple_call_set_fn): Likewise.
5952 (gimple_call_set_fndecl): Likewise.
5953 (gimple_call_fndecl): Likewise.
5954 (gimple_call_return_type): Likewise.
5955 (gimple_call_set_chain): Likewise.
5956 (gimple_call_num_args): Likewise.
5957 (gimple_call_set_arg): Likewise.
5958 (gimple_cond_set_code): Likewise.
5959 (gimple_cond_set_lhs): Likewise.
5960 (gimple_cond_set_rhs): Likewise.
5961 (gimple_cond_set_true_label): Likewise.
5962 (gimple_cond_set_false_label): Likewise.
5963 (gimple_label_set_label): Likewise.
5964 (gimple_goto_set_dest): Likewise.
5965 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
5966 (gimple_debug_bind_get_value): Likewise.
5967 (gimple_debug_bind_get_value_ptr): Likewise.
5968 (gimple_debug_bind_set_var): Likewise.
5969 (gimple_debug_bind_set_value): Likewise.
5970 (gimple_debug_bind_reset_value): Likewise.
5971 (gimple_debug_bind_has_value_p): Likewise.
5972 (gimple_return_retval_ptr): Remove gcc_assert.
5973 (gimple_return_retval): Likewise.
5974 (gimple_return_set_retval): Likewise.
5975 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
5976 (safe_referenced_var_iterator): Remove.
5977 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
5978 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
5979 (fill_referenced_var_vec): Remove.
5980 (first_readonly_imm_use): Remove redundant gcc_assert.
5981 (phi_arg_index_from_use): Combine gcc_asserts.
5982 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
5983 (first_imm_use_stmt): Remove redundant gcc_assert.
5984 * tree-cfg.c (verify_gimple_call): Verify function and chain
5985 operands. Verify arguments.
5986 (verify_types_in_gimple_stmt): Verify condition code and labels.
5988 2010-01-07 Richard Guenther <rguenther@suse.de>
5990 PR tree-optimization/42641
5991 * sese.c (rename_map_elt_info): Use the SSA name version, do
5994 2010-01-07 Jakub Jelinek <jakub@redhat.com>
5996 PR tree-optimization/42625
5997 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
5998 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
6000 2010-01-07 Duncan Sands <baldrick@free.fr>
6002 * Makefile.in (PLUGIN_HEADERS): Add version.h.
6004 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
6007 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
6008 note itself is not function_invariant_p.
6010 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
6012 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
6013 Do not add the DF_NOTE problem.
6014 * store-motion.c (execute_rtl_store_motion): Likewise.
6016 2010-01-07 Martin Jambor <mjambor@suse.cz>
6018 PR tree-optimization/42157
6019 * tree-sra.c (compare_access_positions): Stabilize sort if both
6020 accesses have integer types, return zero immediately if they are the
6023 2010-01-06 Richard Henderson <rth@redhat.com>
6026 * haifa-sched.c (add_to_note_list): Merge into ...
6027 (concat_note_lists): ... here, and ...
6028 (unlink_other_notes, rm_other_notes): Merge into...
6029 (remove_notes): ... here. Create REG_SAVE_NOTEs for
6030 NOTE_INSN_EPILOGUE_BEG.
6032 2010-01-06 Richard Guenther <rguenther@suse.de>
6034 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
6035 not inline regular functions into always-inline functions.
6037 2010-01-06 Nick Clifton <nickc@redhat.com>
6039 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
6040 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
6042 (OVERRIDE_OPTIONS): Delete.
6043 (OPTIMIZATION_OPTIONS): Define.
6044 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
6045 * config/rx/rx.c (rx_handle_option): Issue an error message if
6046 -mcpu=rx200 and -fpu are used together.
6047 (rx_set_optimization_options): New function. Issue an error
6048 message if an optimization attribute attempts to reset the FPU/
6049 math optimization pairing.
6050 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
6051 * config/rx/rx.opt: Set the default to 32-bit doubles.
6052 * config/rx/t-rx: Add multilibs for -nofpu option.
6053 * doc/invoke.texi: Update documentation of RX options.
6055 2010-01-06 Richard Guenther <rguenther@suse.de>
6057 * tree-ssa-pre.c (name_to_id): New global.
6058 (alloc_expression_id): Simplify SSA name handling.
6059 (lookup_expression_id): Likewise.
6060 (init_pre): Zero name_to_id.
6061 (fini_pre): Free it.
6063 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
6065 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
6067 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
6070 * config/i386/sse.md (smaxv2di3): New.
6071 (umaxv2di3): Likewise.
6072 (sminv2di3): Likewise.
6073 (uminv2di3): Likewise.
6075 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
6078 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
6079 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
6080 (legitimize_tls_address): Likewise.
6081 (sparc_tls_referenced_p): Likewise.
6082 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
6083 and adjust calls to legitimize_pic_address.
6084 (legitimate_constant_p) Use sparc_tls_referenced_p.
6085 (legitimate_pic_operand_p): Likewise.
6086 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
6087 (sparc_tls_symbol_ref_1): Delete.
6088 (sparc_tls_referenced_p): Make static, recognize specific patterns.
6089 (legitimize_tls_address): Make static, handle CONST patterns.
6090 (legitimize_pic_address): Make static, remove unused parameter and
6091 adjust recursive calls.
6092 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
6093 and adjust call to legitimize_pic_address.
6094 (sparc_output_mi_thunk): Likewise.
6096 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
6097 H.J. Lu <hongjiu.lu@intel.com>
6100 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
6101 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
6102 operands to make them signed.
6105 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6108 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
6109 GTU to GT for V4SI and V2DI.
6111 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
6112 (umin<mode>3): Removed.
6114 (uminv4si3): Likewise.
6116 2010-01-05 Martin Jambor <mjambor@suse.cz>
6118 PR tree-optimization/42462
6119 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
6120 current_function_decl to helper functions and macros.
6122 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6125 * flags.h: Don't include real.h.
6126 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
6127 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
6128 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
6129 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
6130 * dominance.c: Update copyright.
6131 * gimple.c (walk_gimple_op): Remove inline.
6132 * tree-ssa-reassoc.c: Include real.h.
6133 * Makefile.in (FLAGS_H): Remove $(REAL_H).
6134 (tree-ssa-reassoc.o): Depend on $(REAL_H).
6136 2010-01-05 Nick Clifton <nickc@redhat.com>
6138 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
6139 register to push into the stack frame when the accumulator has to
6140 be saved during interrupts.
6142 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
6144 * doc/invoke.texi: Remove the documentation about option
6146 * common.opt (Wunreachable-code): Preserved for backward
6148 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
6149 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
6150 the backward compatibility flag section.
6152 2010-01-05 Richard Guenther <rguenther@suse.de>
6154 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
6156 2010-01-05 Jakub Jelinek <jakub@redhat.com>
6159 * cfgexpand.c (expand_one_var): Diagnose too large variables.
6161 PR tree-optimization/42508
6162 * tree-sra.c (convert_callers): Check for recursive call
6163 by comparing cgraph nodes instead of decls.
6164 (modify_function): Call ipa_modify_formal_parameters also
6165 on all same_body aliases.
6167 * cgraphunit.c (cgraph_materialize_all_clones): Compare
6168 cgraph nodes when checking for same_body aliases.
6170 2010-01-05 Richard Guenther <rguenther@suse.de>
6172 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
6173 allocation and lookup.
6174 (get_or_alloc_expr_for_constant): Likewise.
6175 (phi_translate): Sink allocation.
6177 2010-01-04 Richard Guenther <rguenther@suse.de>
6179 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
6180 a new entry only if needed.
6181 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
6182 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
6184 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
6186 (phi_translate): Handle CONSTANTs early.
6188 2010-01-04 Martin Jambor <mjambor@suse.cz>
6190 PR tree-optimization/42398
6191 * tree-sra.c (struct access): Removed flag grp_different_types.
6192 (dump_access): Do not dump the removed flag.
6193 (sort_and_splice_var_accesses): Do not set the removed flag.
6194 (sra_modify_expr): Check for type compatibility directly.
6196 2010-01-04 Martin Jambor <mjambor@suse.cz>
6198 PR tree-optimization/42366
6199 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
6200 edges with variable number of parameters.
6201 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
6202 flag instead of asserting it.
6203 (ipa_read_node_info): Read uses_analysis_done flag.
6205 2010-01-04 Richard Guenther <rguenther@suse.de>
6207 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
6208 iterative_hash_* as intended.
6209 (vn_reference_compute_hash): Likewise. Simplify hashing
6211 (vn_reference_lookup_2): Likewise.
6212 (vn_nary_op_compute_hash): Likewise.
6213 (vn_phi_compute_hash): Likewise.
6214 (expressions_equal_p): Remove strange code.
6215 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
6216 (pre_expr_hash): Likewise. Simplify hashing SSA names.
6217 (bitmap_insert_into_set_1): Take value-id as parameter.
6218 (add_to_value): Pass it.
6219 (bitmap_insert_into_set): Likewise.
6220 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
6222 2010-01-04 Jakub Jelinek <jakub@redhat.com>
6225 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
6226 (do_self_spec): For switches with SWITCH_IGNORE set set also
6227 SWITCH_IGNORE_PERMANENTLY.
6228 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
6231 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
6233 * lto-streamer-out.c (output_unreferenced_globals): Output the full
6234 tree of an unreferenced global var.
6236 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6239 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
6240 GTU to GT for V4SI and V2DI.
6242 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
6243 (umin<mode>3): Removed.
6245 (uminv4si3): Likewise.
6247 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6250 * collect2.c (main): Turn on trace in collect2 if -v is passed
6253 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
6255 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
6256 description of expression operand.
6258 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
6260 * configure.ac: Add install-html to target_list for Make-hooks.
6261 * configure: Regenerate.
6262 * fortran/Make-lang.in (F95_HTMLFILES): New.
6263 (fortran.html): Use it.
6264 (fortran.install-html): New.
6265 * Makefile.in (install-html): Add lang.install-html.
6266 * java/Make-lang.in (JAVA_HTMLFILES): New.
6267 (java.html): Use it.
6268 (java.install-html): New.
6269 * objc/Make-lang.in (objc.install-html): New.
6270 * objcp/Make-lang.in (obj-c++.install-html): New.
6271 * cp/Make-lang.in (c++.install-html): New.
6272 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
6273 * lto/Make-lang.in (lto.install-html): New.
6275 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
6278 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
6280 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
6282 PR rtl-optimization/41862
6283 * store-motion.c (store_killed_in_insn, compute_store_table,
6284 remove_reachable_equiv_notes, replace_store_insn,
6285 build_store_vectors): Ignore all DEBUG_INSNs.
6287 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
6290 * common.opt: Add dumpdir.
6292 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
6294 (option_map): Add --dumpdir.
6296 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
6298 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
6300 * opts.c (decode_options): Try dump_dir_name first if
6301 dump_base_name isn't an absolute path.
6302 (common_handle_option): Handle OPT_dumpdir.
6304 * toplev.c (dump_dir_name): New.
6305 (print_switch_values): Also ignore -dumpdir.
6307 * toplev.h (dump_dir_name): New.
6309 2010-01-03 Richard Guenther <rguenther@suse.de>
6311 PR tree-optimization/42589
6312 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
6313 double-word expansion of bswap32.
6315 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
6317 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
6318 with BLOCK_FOR_INSN.
6319 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
6320 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
6321 noce_process_if_block): Likewise.
6322 * gcse.c (compute_local_properties, insert_expr_in_table,
6323 insert_set_in_table, canon_list_insert, find_avail_set,
6324 pre_insert_copy_insn): Likewise.
6326 * basic-block.h (BLOCK_NUM): Move from here...
6327 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
6329 2010-01-03 Richard Guenther <rguenther@suse.de>
6331 PR tree-optimization/42438
6332 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
6333 contains_may_not_return_call flag.
6334 (BB_MAY_NOTRETURN): New.
6335 (valid_in_sets): Trapping nary operations are not valid
6336 in blocks that may not return.
6337 (insert_into_preds_of_block): Remove check for trapping expressions.
6338 (compute_avail): Compute also BB_MAY_NOTRETURN.
6340 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
6342 * doc/invoke.texi: Add 2010 to copyright years.
6344 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
6346 * config/sparc/sparc.c: Fix formatting nits.
6348 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
6349 Alexander Monakov <amonakov@ispras.ru>
6351 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
6353 2010-01-02 Richard Guenther <rguenther@suse.de>
6356 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
6357 (simplify_switch_using_ranges): Mark to be removed edges
6360 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6362 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
6364 * collect2.c (scan_libraries): Add missing argument in call to
6367 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
6370 * config/alpha/predicates.md (aligned_memory_operand): Return false
6372 (unaligned_memory_operand): Return true for CQImode.
6373 * config/alpha/alpha.c (get_aligned_mem): Assert that location
6374 doesn not cross aligned SImode word boundary.
6376 2010-01-02 Anatoly Sokolov <aesok@post.ru>
6378 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
6380 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
6381 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
6383 2010-01-02 Richard Guenther <rguenther@suse.de>
6386 * toplev.c (compile_file): Emit LTO marker properly. Change
6388 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
6390 2010-01-01 Richard Guenther <rguenther@suse.de>
6393 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
6395 2010-01-01 Richard Guenther <rguenther@suse.de>
6398 * c-decl.c (grokdeclarator): For zero-size arrays force
6399 structural equality checks as layout_type does.
6401 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
6403 * builtins.c: Update copyright to 2010.
6405 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
6408 * lto-streamer-out.c (produce_asm): Revert the last change.
6409 (copy_function): Likewise.
6411 * lto-streamer.c (lto_get_section_name): Skip any leading
6414 2010-01-01 Richard Guenther <rguenther@suse.de>
6417 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
6421 Copyright (C) 2010 Free Software Foundation, Inc.
6423 Copying and distribution of this file, with or without modification,
6424 are permitted in any medium without royalty provided the copyright
6425 notice and this notice are preserved.