1 2010-04-16 Richard Guenther <rguenther@suse.de>
3 PR tree-optimization/43572
4 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
5 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
6 * tree-flow.h (is_call_clobbered): Remove.
7 * tree-flow-inline.h (is_call_clobbered): Likewise.
8 * tree-dfa.c (dump_variable): Do not dump call clobber state.
9 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
10 (execute_return_slot_opt): Adjust.
11 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
12 check for call clobbered vars here.
13 (find_tail_calls): Move tailcall verification to the
16 2010-04-16 Diego Novillo <dnovillo@google.com>
18 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings
21 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
24 * config/arm/arm.md (cbranchqi4): New pattern.
25 * config/arm/predicates.md (const0_operand,
26 cbranchqi4_comparison_operator): New predicates.
28 2010-04-16 Richard Guenther <rguenther@suse.de>
30 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
31 (dump_gimple_stmt): Likewise.
33 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
35 * recog.h (struct recog_data): New field is_operator.
36 (struct insn_operand_data): New field is_operator.
37 * recog.c (extract_insn): Set recog_data.is_operator.
38 * genoutput.c (output_operand_data): Emit code to set the
40 * reload.c (find_reloads): Use it rather than testing for an
41 empty constraint string.
44 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
45 If the previous insn is a cbranchsi4_insn with the same arguments,
46 omit the compare instruction.
48 * config/arm/arm.md (addsi3_cbranch): If destination is a high
49 register, inputs must be low registers and we need a low register
50 scratch. Handle alternative 2 like alternative 3.
52 2010-04-16 Jakub Jelinek <jakub@redhat.com>
54 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
55 don't call get_addr on both. If one expression is a VALUE and
56 the other a REG, check VALUE's locs if the REG isn't among them.
58 2010-04-16 Christian Bruel <christian.bruel@st.com>
60 * config/sh/sh.h (sh_frame_pointer_required): New function.
61 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
62 (flag_omit_frame_pointer) Set.
63 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
64 (rounded_frame_size): Adjust size with outgoing_args_size.
65 (sh_set_return_address): Must return from stack pointer.
66 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
67 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
68 (ACCUMULATE_OUTGOING_ARGS): Define.
69 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
70 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
72 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
75 * config/sh/sh.c (sh_legitimize_reload_address): Use
76 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
77 Remove a unneeded check for offset_base.
79 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
81 * configure: Regenerated.
83 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
85 * config/s390/s390.c (s390_call_save_register_used): Switch back
88 2010-04-15 Richard Guenther <rguenther@suse.de>
90 * alias.c (alias_set_subset_of): Handle alias-set zero
93 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
94 Julian Brown <julian@codesourcery.com>
96 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
97 alternatives according to use of high and low regs.
98 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
99 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
100 optimizing for size on Thumb-2.
102 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
104 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
106 2010-04-15 Richard Guenther <rguenther@suse.de>
108 * tree-ssa-structalias.c (struct variable_info): Add
110 (new_var_info): Initialize it.
111 (dump_constraints): Support printing last added constraints.
112 (debug_constraints): Adjust.
113 (dump_constraint_graph): Likewise.
114 (make_heapvar_for): Check for NULL cfun.
115 (get_function_part_constraint): New function.
116 (get_fi_for_callee): Likewise.
117 (find_func_aliases): Properly implement IPA PTA constraints.
118 (process_ipa_clobber): New function.
119 (find_func_clobbers): Likewise.
120 (insert_into_field_list_sorted): Remove.
121 (create_function_info_for): Properly allocate vars for IPA mode.
122 Do not use insert_into_field_list_sorted.
123 (create_variable_info_for): Properly generate constraints for
124 global vars in IPA mode.
125 (dump_solution_for_var): Always dump the solution.
126 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
127 (find_what_var_points_to): Adjust.
128 (pt_solution_set): Change.
129 (pt_solution_ior_into): New function.
130 (pt_solution_empty_p): Export.
131 (pt_solution_includes_global): Adjust.
132 (pt_solution_includes_1): Likewise.
133 (pt_solutions_intersect_1): Likewise.
134 (dump_sa_points_to_info): Check some invariants.
135 (solve_constraints): Move constraint dumping ...
136 (compute_points_to_sets): ... here.
137 (ipa_pta_execute): ... and here.
138 (compute_may_aliases): Do not re-compute points-to info
139 locally if IPA info is available.
140 (ipa_escaped_pt): New global var.
141 (ipa_pta_execute): Properly implement IPA PTA.
142 * tree-into-ssa.c (dump_decl_set): Support dumping
143 decls not in referenced-vars.
144 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
145 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
146 (dump_points_to_solution): Likewise.
147 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
148 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
149 (remap_gimple_stmt): Reset call clobber/use information if
151 (copy_decl_to_var): Copy DECL_PT_UID.
152 (copy_result_decl_to_var): Likewise.
153 * tree.c (make_node_stat): Initialize DECL_PT_UID.
154 (copy_node_stat): Copy it.
155 * tree.h (DECL_PT_UID): New macro.
156 (SET_DECL_PT_UID): Likewise.
157 (DECL_PT_UID_SET_P): Likewise.
158 (struct tree_decl_minimal): Add pt_uid member.
159 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
160 (pt_solution_empty_p): Declare.
161 (pt_solution_set): Adjust.
162 (ipa_escaped_pt): Declare.
163 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
164 * gimple-pretty-print.c (pp_points_to_solution): New function.
165 (dump_gimple_call): Dump call clobber/use information.
166 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
167 * tree-pass.h (TDF_ALIAS): New dump option.
168 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
169 * doc/invoke.texi (-fipa-pta): Update documentation.
171 2010-04-15 Richard Guenther <rguenther@suse.de>
173 * Makefile.in (OBJS-common): Add gimple-fold.o.
174 (gimple-fold.o): New rule.
175 * tree.h (maybe_fold_offset_to_reference,
176 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
178 * gimple.h: ... here.
179 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
180 may_propagate_address_into_dereference): Move prototypes ...
181 * gimple.h: ... here.
182 * tree-ssa-ccp.c (get_symbol_constant_value,
183 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
184 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
185 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
186 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
187 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
188 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
189 gimplify_and_update_call_from_tree): Move ...
190 * gimple-fold.c: ... here. New file.
191 (ccp_fold_builtin): Rename to ...
192 (gimple_fold_builtin): ... this.
193 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
195 2010-04-15 Richard Guenther <rguenther@suse.de>
197 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
198 fit_double_type, force_fit_type_double, add_double_with_sign,
199 neg_double, mul_double_with_sign, lshift_double, rshift_double,
200 lrotate_double, rrotate_double, div_and_round_double): Move ...
201 * double-int.c: ... here.
202 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
203 add_double, neg_double, mul_double_with_sign, mul_double,
204 lshift_double, rshift_double, lrotate_double, rrotate_double,
205 div_and_round_double): Move prototypes ...
206 * double-int.h: ... here.
208 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
211 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
212 matching constraints to ensure inputs match the output.
214 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
217 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
218 in an input-only operand.
220 2010-04-15 Anatoly Sokolov <aesok@post.ru>
222 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
223 (double_int_not, double_int_lshift, double_int_rshift): Declare.
224 (double_int_negative_p): Convert to static inline function.
225 * double-int.c (double_int_lshift, double_int_lshift): Add new function.
226 (double_int_negative_p): Remove.
227 * tree.h (lshift_double, rshift_double):
228 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
229 * fold-const.c (fold_convert_const_int_from_real,
230 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
231 (lshift_double): Change type of arith argument to bool.
232 (rshift_double): Change type of arith argument to bool. Correct
234 * expmed.c (mask_rtx, lshift_value): (Ditto.).
236 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
239 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
240 at the start and end of the then/else blocks, and omit them from the
242 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
243 argument; all callers changed. Pass zero to old_insns_match_p instead.
244 (flow_find_head_matching_sequence): New function.
245 (old_insns_match_p): Check REG_EH_REGION notes for calls.
246 * basic-block.h (flow_find_cross_jump,
247 flow_find_head_matching_sequence): Declare functions.
249 2010-04-14 Jason Merrill <jason@redhat.com>
252 * c-common.c (attribute_takes_identifier_p): New fn.
253 * c-common.h: Declare it.
255 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
257 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
259 (*udivmod<mode>4): Ditto.
261 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
263 * config/i386/i386.md (maxmin_int): Rename code attribute from
264 maxminiprefix and update all users.
265 (maxmin_float): Ditto from maxminfprefix.
266 (logic): Ditto from logicprefix.
267 (absneg_mnemonic): Ditto from absnegprefix.
268 * config/i386/mmx.md: Update all users of maxminiprefix,
269 maxminfprefix and loficprefix for rename.
270 * config/i386/sse.md: Ditto.
271 * config/i386/sync.md (sync_<code><mode>): Update for
274 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
277 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
278 warnings converted to errors.
280 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
282 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
283 used insn_type variable.
284 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
285 to avoid set-but-not-used warning.
287 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
289 * df-core.c (df_ref_debug): Change format string placeholder
291 * dwarf2asm.c (dw2_asm_output_data_raw,
292 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
293 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
294 * dwarf2out.c (output_cfi, output_cfi_directive,
295 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
296 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
298 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
299 * print-rtl.c (print_rtx): Ditto.
301 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
304 * builtins.c (expand_builtin_pow_root): New function to expand pow
305 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
306 series of sqrt and cbrt calls under -ffast-math.
307 (expand_builtin_pow): Call it.
309 2010-04-14 Michael Matz <matz@suse.de>
311 PR tree-optimization/42963
312 * tree-cfg.c (touched_switch_bbs): New static variable.
313 (group_case_labels_stmt): New function broken out from ...
314 (group_case_labels): ... here, use the above.
315 (start_recording_case_labels): Allocate touched_switch_bbs.
316 (end_recording_case_labels): Deallocate it, call
317 group_case_labels_stmt.
318 (gimple_redirect_edge_and_branch): Remember index of affected BB.
320 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
322 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
325 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
327 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
329 2010-04-13 Jan Hubicka <jh@suse.cz>
331 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
332 of optimized out static functions.
333 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
334 cost computation. Also sanity check for overflows.
335 (update_caller_keys): Update cgraph_edge_badness call; properly
336 update fibheap and sanity check that it is up to date.
337 (add_new_edges_to_heap): Update cgraph_edge_badness.
338 (cgraph_decide_inlining_of_small_function): Likewise;
339 add sanity checking that badness in heap is up to date;
340 improve dumping of reason; Update badness of calls to the
341 offline copy of function currently inlined; dump badness
342 of functions not inlined because of unit growth limits.
344 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
347 * c-common.c (pointer_int_sum): Disregard overflow that occured only
348 because of sign-extension change when converting to sizetype here...
349 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
351 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
352 the folding to constants. Remove redundant final conversion.
353 (fold_binary) <associate>: Do not associate if the re-association of
354 constants alone overflows.
355 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
356 to the end of the list.
357 (multiple_of_p) <COND_EXPR>: New case.
359 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
361 * opt-functions.awk (opt_sanitized_name): New.
363 * optc-gen.awk: Use it
364 * opth-gen.awk: Use it.
366 2010-04-13 Martin Jambor <mjambor@suse.cz>
368 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
369 (sra_modify_assign): Delete stmts loading dead data even if racc has no
370 children. Call replace_uses_with_default_def_ssa_name to handle
373 2010-04-13 Michael Matz <matz@suse.de>
376 * builtins.c (expand_builtin_interclass_mathfn): Also create
377 a register if the predicate doesn't match.
379 2010-04-13 Diego Novillo <dnovillo@google.com>
381 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
382 * c-pch.c: Include timevar.h.
383 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
384 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
385 * ggc-common.c: Include timevar.h.
386 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
387 * timevar.def (TV_PCH_SAVE): Define.
388 (TV_PCH_CPP_SAVE): Define.
389 (TV_PCH_PTR_REALLOC): Define.
390 (TV_PCH_PTR_SORT): Define.
391 (TV_PCH_RESTORE): Define.
392 (TV_PCH_CPP_RESTORE): Define.
394 2010-04-13 Michael Matz <matz@suse.de>
396 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
398 (can_reassociate_p): New function.
399 (break_up_subtract_bb, reassociate_bb): Use it.
401 2010-04-13 Richard Guenther <rguenther@suse.de>
404 * builtins.c (c_readstr): Fix assert.
406 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
408 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
409 when generating cltd insn.
411 (*ashl<mode>3_1): Remove special handling for register operand 2.
412 (*ashlsi3_1_zext): Ditto.
414 (*ashlhi3_1_lea): Ditto.
416 (*ashlqi3_1_lea): Ditto.
417 (*<shiftrt_insn><mode>3_1): Ditto.
418 (*<shiftrt_insn>si3_1_zext): Ditto.
419 (*<shiftrt_insn>qi3_1_slp): Ditto.
420 (*<rotate_insn><mode>3_1): Ditto.
421 (*<rotate_insn>si3_1_zext): Ditto.
422 (*<rotate_insn>qi3_1_slp): Ditto.
424 2010-04-13 Richard Guenther <rguenther@suse.de>
426 * tree-ssa-structalias.c (callused_id): Remove.
427 (call_stmt_vars): New.
428 (get_call_vi): Likewise.
429 (lookup_call_use_vi): Likewise.
430 (lookup_call_clobber_vi): Likewise.
431 (get_call_use_vi): Likewise.
432 (get_call_clobber_vi): Likewise.
433 (make_transitive_closure_constraints): Likewise.
434 (handle_const_call): Adjust to do per-call call-used handling.
435 (handle_pure_call): Likewise.
436 (find_what_var_points_to): Remove general callused handling.
437 (init_base_vars): Likewise.
438 (init_alias_vars): Initialize call_stmt_vars.
439 (compute_points_to_sets): Process call-used and call-clobbered
440 vars for call statements.
441 (delete_points_to_sets): Free call_stmt_vars.
443 2010-04-13 Richard Guenther <rguenther@suse.de>
445 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
446 Only add RW dependence for dependence distance zero.
447 Adjust maximal vectorization factor according to dependences.
448 Move alignment handling ...
449 (vect_find_same_alignment_drs): ... here. New function.
450 (vect_analyze_data_ref_dependences): Adjust.
451 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
452 (vect_analyze_data_refs): Adjust minimal vectorization factor
453 according to data references.
454 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
455 dependences before determining the vectorization factor.
456 Analyze alignment after determining the vectorization factor.
457 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
458 dependences before alignment.
459 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
461 (vect_analyze_data_refs): Likewise.
462 (MAX_VECTORIZATION_FACTOR): New define.
464 2010-04-13 Duncan Sands <baldrick@free.fr>
466 * except.h (lang_eh_type_covers): Remove.
467 * except.c (lang_eh_type_covers): Likewise.
469 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
470 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
472 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
473 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
474 UNITS_PER_LONG where it is ABI relevant.
475 (s390_return_addr_rtx): Likewise.
476 (s390_back_chain_rtx): Likewise.
477 (s390_frame_area): Likewise.
478 (s390_frame_info): Likewise.
479 (s390_initial_elimination_offset): Likewise.
480 (save_gprs): Likewise.
481 (s390_emit_prologue): Likewise.
482 (s390_emit_epilogue): Likewise.
483 (s390_function_arg_advance): Likewise.
484 (s390_function_arg): Likewise.
485 (s390_va_start): Likewise.
486 (s390_gimplify_va_arg): Likewise.
487 (s390_function_profiler): Likewise.
488 (s390_optimize_prologue): Likewise.
489 (s390_rtx_costs): Likewise.
490 (s390_secondary_reload): Likewise.
491 (s390_promote_function_mode): Likewise.
492 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
493 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
495 (s390_unwind_word_mode): New function.
496 (s390_function_value): Split 64 bit values into register pair if
497 used as return value.
498 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
499 function call parameters. Handle parallels.
500 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
501 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
502 (DWARF_CIE_DATA_ALIGNMENT): New macro.
503 (s390_expand_setmem): Remove unused variable src_addr.
504 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
505 deal with 64 bit registers.
506 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
507 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
508 (UNITS_PER_LONG): New macro.
509 * libjava/include/s390-signal.h: Define extended ucontext
510 structure containing the upper halfs of the 64 bit registers.
512 2010-04-13 Simon Baldwin <simonb@google.com>
514 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
516 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
518 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
519 rvalue on the RHS if the LHS is of a non-renamable type.
520 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
522 2010-04-13 Matthias Klose <doko@ubuntu.com>
524 * gcc.c (cc1_options): Handle -iplugindir before processing
525 the cc1 spec. Only add -iplugindir once.
526 (cpp_unique_options): Add -iplugindir option if -fplugin* options
528 * common.opt (iplugindir): Remove `Separate' property, initialize.
529 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
531 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
532 (distclean): Remove plugin dir.
533 * doc/invoke.texi: Document -iplugindir.
535 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
537 * doc/plugins.texi (Loading Plugins): Document short
539 (Plugin API): Mention default_plugin_dir_name function.
541 * gcc.c (find_file_spec_function): Add new declaration.
542 (static_spec_func): Use it for "find-file".
543 (find_file_spec_function): Add new function.
544 (cc1_options): Add -iplugindir option if -fplugin* options found.
546 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
548 * plugin.c (add_new_plugin): Updated comment, and handle short
550 (default_plugin_dir_name): Added new function.
552 * common.opt (iplugindir): New option to set the plugin directory.
554 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
556 * config/i386/i386.md (any_rotate): New code iterator.
557 (rotate_insn): New code attribute.
559 (SWIM124): New mode iterator.
560 (<rotate_insn>ti3): New expander.
561 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
562 any_rotate code iterator.
563 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
564 using any_rotate code iterator and SWIM124 mode iterator.
565 (ix86_rotlti3): New insn_and_split pattern.
566 (ix86_rotrti3): Ditto.
567 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
568 ix86_rotl{di,ti}3 patterns.
569 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
570 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
571 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
572 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
573 code iterator and SWI mode iterator.
574 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
575 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
577 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
578 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
579 (bswap rotatert splitter): Add splitter.
580 (bswap splitter): Macroize splitter using any_rotate code iterator.
581 Add insn predicate to split only for TARGET_USE_XCHGB or when
582 optimizing function for size.
584 2010-04-12 Steve Ellcey <sje@cup.hp.com>
586 * config/pa/pa.c (emit_move_sequence): Remove use of
587 deleted variable flag_argument_noalias.
589 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
591 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
593 Add to unsupported targets list.
594 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
595 sparc*-sun-solaris2.[567]* from target lists.
596 * configure: Regenerate.
597 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
599 Remove Solaris 7 patch references.
600 (Specific, sparc-sun-solaris2.7): Removed.
601 (sparc-sun-solaris2*): Update Solaris 7 example.
602 (sparc64-*-solaris2*): Likewise.
604 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
606 * config.build (alpha*-dec-osf4*): Remove.
607 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
608 of obsolete configurations.
609 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
611 * config/alpha/t-osf4: Renamed to ...
612 * config/alpha/t-osf5: ... this.
613 * config/alpha/osf.h: Renamed to ...
614 * config/alpha/osf5.h: ... this.
615 Merged old osf5.h contents.
617 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
618 (EXTRA_SPECS): Removed.
619 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
620 reflect removal of Tru64 UNIX V4.0/V5.0 support.
623 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
625 * doc/contrib.texi (Contributors, Rainer Orth): Update.
627 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
630 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
631 __thiscall convention.
633 2010-04-12 Steve Ellcey <sje@cup.hp.com>
635 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
637 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
639 2010-04-12 Steve Ellcey <sje@cup.hp.com>
641 * function.c (assign_parms_initialize_all): Add unused attribute
644 2010-04-12 Richard Guenther <rguenther@suse.de>
646 * gsstruct.def (GSS_CALL): New.
647 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
648 * gimple.h: Include tree-ssa-alias.h.
649 (struct gimple_statement_call): New.
650 (union gimple_statement_struct_d): Add gimple_call member.
651 (gimple_call_reset_alias_info): Declare.
652 (gimple_call_use_set): New function.
653 (gimple_call_clobber_set): Likewise.
654 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
655 * gimple.c (gimple_call_reset_alias_info): New function.
656 (gimple_build_call_1): Call it.
657 * lto-streamer-in.c (input_gimple_stmt): Likewise.
658 * tree-inline.c (remap_gimple_stmt): Likewise.
659 (expand_call_inline): Remove callused handling.
660 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
661 * tree-dfa.c (dump_variable): Likewise.
662 * tree-parloops.c (parallelize_loops): Likewise.
663 * tree-ssa.c (init_tree_ssa): Likewise.
664 (delete_tree_ssa): Likewise.
665 * tree-flow-inline.h (is_call_used): Remove.
666 * tree-flow.h (struct gimple_df): Remove callused member.
667 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
668 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
669 (ref_maybe_used_by_call_p_1): Simplify.
670 (call_may_clobber_ref_p_1): Likewise.
671 * tree-ssa-structalias.c (compute_points_to_sets): Set
672 the call stmt used and clobbered sets.
673 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
674 (find_tail_calls): Verify the tail call.
676 2010-04-12 Richard Guenther <rguenther@suse.de>
678 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
679 single-iteration always-inline inlining.
680 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
681 (cgraph_decide_inlining): Do not handle always-inline specially.
682 (try_inline): Remove always-inline cycle detection special case.
683 Do not recurse on always-inlines.
684 (cgraph_early_inlining): Do not iterate if not optimizing.
685 (cgraph_gate_early_inlining): remove.
686 (pass_early_inline): Run unconditionally.
687 (gate_cgraph_decide_inlining): New function.
688 (pass_ipa_inline): Use it. Do not run the IPA inliner if
689 not inlining or optimizing.
690 (cgraph_decide_inlining_of_small_functions): Also consider
691 always-inline functions.
692 (cgraph_default_inline_p): Return true for nodes which should
693 disregard inline limits.
694 (estimate_function_body_sizes): Assume zero size and time for
695 nodes which are marked as disregarding inline limits.
696 (cgraph_decide_recursive_inlining): Do not perform recursive
697 inlining on always-inline nodes.
699 2010-04-12 Jakub Jelinek <jakub@redhat.com>
702 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
703 for exprs satisfying handled_component_p.
705 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
707 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
708 non-constant aggregate elements.
710 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
711 is a real initialization.
713 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
716 * c-decl.c (start_function): Move forward check for nested function.
718 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
720 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
721 * config/sh/sh.c: Include reload.h.
722 (sh_legitimize_reload_address): New.
723 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
724 sh_legitimize_reload_address.
726 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
728 * config/sh/sh.md (*movqi_pop): New insn pattern.
729 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
731 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
733 * config/i386/i386.md (any_shiftrt): New code iterator.
734 (shiftrt_insn): New code attribute.
736 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
737 using any_shiftrt code iterator.
738 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
739 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
740 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
741 pattern from corresponding peephole2 patterns.
742 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
743 using any_shiftrt code iterator.
744 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
745 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
746 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
747 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
748 *{ashr,lshr}<mode>3_cmp_zext.
749 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
751 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
753 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
755 (*lshr<mode>3_cconly): Ditto.
757 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
759 * config/i386/i386.md (lshr<mode>3): Macroize expander from
760 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
761 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
762 pattern from *lshr{di,ti}3_1 and corresponding splitters using
764 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
765 from corresponding peephole2 patterns.
766 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
767 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
768 and *lshrdi3_1_rex64 using SWI mode iterator.
769 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
770 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
771 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
772 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
773 and *lshrdi3_cmp_rex64 using SWI mode iterator.
774 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
775 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
776 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
777 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
780 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
782 * config/i386/i386.md (ashr<mode>3): Macroize expander from
783 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
784 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
785 pattern from *ashr{di,ti}3_1 and corresponding splitters using
787 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
788 from corresponding peephole2 patterns.
789 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
790 (ashrsi3_cvt): Rename from ashrsi3_31.
791 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
792 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
793 and x86_64_shift_adj_3 using SWI48 mode iterator.
794 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
795 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
796 and *ashrdi3_1_rex64 using SWI mode iterator.
797 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
798 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
799 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
800 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
801 and *ashrdi3_cmp_rex64 using SWI mode iterator.
802 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
803 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
804 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
805 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
807 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
808 * config/i386/i386.c (ix86_split_ashr): Update for renamed
809 x86_shift<mode>_adj_3 expanders.
811 2010-04-10 Wei Guozhi <carrot@google.com>
814 * config/arm/arm.c (arm_pic_static_addr): New function.
815 (legitimize_pic_address): Call arm_pic_static_addr when it detects
817 (arm_output_addr_const_extra): Output expression for new pattern.
818 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
820 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
822 * ira-costs.c (record_reg_classes): Ignore alternatives that are
825 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
826 * web.c: Include "insn-config.h" and "recog.h".
827 (union_match_dups): New function.
829 (union_defs): Don't try to recognize match_dups.
831 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
832 if doing so would replace the entire pattern.
834 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
838 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
839 and splitter pattern. Change splitter operand 1 predicate to
842 2010-04-09 Martin Jambor <mjambor@suse.cz>
844 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
845 lattices are addresses of CONST_DECLs with the same initial value.
846 (ipcp_print_all_lattices): Print values of CONST_DECLs.
847 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
849 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
850 Bernd Schmidt <bernds@codesourcery.com>
852 * loop-invariant.c (replace_uses): New static function.
853 (move_invariant_reg): Use it to ensure we can replace the uses.
855 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
857 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
859 (picochip_override_options): Enable section anchors only above -O1.
860 (picochip_reorg): Fixed a couple of build warnings.
862 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
864 * configure.ac (plugin -rdynamic test): Log result.
865 * configure: Regenerate.
866 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
867 (RDYNAMIC_SPEC): Define.
868 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
870 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
872 * configure.ac: Determine Sun ld version numbers.
873 (comdat_group): Restrict GNU ld version checks to gld.
874 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
875 (enable_comdat): Support --enable-comdat.
876 * configure: Regenerate.
877 * doc/install.texi (Configuration): Document --enable-comdat.
879 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
881 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
882 * config/sol2-gld.h: ... here.
883 * config.gcc (sparc*-*-solaris2*): Reflect this.
884 (i[34567]86-*-solaris2*): Use it.
886 2010-04-09 Steve Ellcey <sje@cup.hp.com>
888 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
890 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
892 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
895 * diagnostic.c (diagnostic_initialize): Initialize
896 some_warnings_are_errors.
897 (diagnostic_finish): New.
898 (diagnostic_action_after_output): Call it before exiting.
899 (diagnostic_report_diagnostic): Do not print message here. Set
900 some_warnings_are_errors.
901 * diagnostic.h (diagnostic_context): Delete
902 issue_warnings_are_errors_message. Add some_warnings_are_errors.
903 (diagnostic_finish): Declare.
904 * toplev.c (toplev_main): Call it before exit.
906 2010-04-09 Jason Merrill <jason@redhat.com>
909 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
913 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
914 based on a warning flag.
916 2010-04-09 Richard Guenther <rguenther@suse.de>
918 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
920 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
923 * varasm.c (default_assemble_visibility): Wrap vars that are
924 set, but unused, by targets without GAS.
925 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
926 Remove set, but unused, vars.
927 (rs6000_legitimize_tls_address): Likewise.
928 (altivec_expand_dst_builtin): Likewise.
929 * config/darwin.c (machopic_classify_symbol): Likewise.
930 (machopic_indirection_name): Likewise.
932 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
934 * config/i386/i386.md (DWI): New mode iterator.
935 (S): New mode attribute.
936 (shift_operand): Ditto.
937 (shift_immediate_operand): Ditto.
938 (ashl_input_operand): Ditto.
939 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
940 using SDWIM mode iterator.
941 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
942 pattern from *ashl{di,ti}3_1 and corresponding splitters using
944 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
945 from corresponding peephole2 patterns.
946 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
947 and x86_64_shift_adj_1 using SWI48 mode iterator.
948 (x86_shift<mode>_adj_2): Ditto.
949 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
950 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
951 using SWI48 mode iterator.
952 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
953 *ashldi3_cmp_rex64 using SWI mode iterator.
954 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
955 *ashldi3_cconly_rex64 using SWI mode iterator.
956 * config/i386/i386.c (ix86_split_ashl): Update for renamed
957 x86_shift<mode>_adj_{1,2}.
958 (ix86_split_ashr): Ditto.
959 (ix86_split_lshr): Ditto.
961 2010-04-09 Richard Guenther <rguenther@suse.de>
963 * target.h (builtin_conversion): Pass in input and output types.
964 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
965 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
966 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
967 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
969 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
971 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
973 2010-04-09 Richard Guenther <rguenther@suse.de>
976 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
978 2010-04-09 Richard Guenther <rguenther@suse.de>
980 * tree-vectorizer.h (struct _stmt_vec_info): Document
981 that vectype is the type of the LHS.
982 (supportable_widening_operation, supportable_narrowing_operation):
983 Get both input and output vector types as arguments.
984 (vect_is_simple_use_1): Declare.
985 (get_same_sized_vectype): Likewise.
986 * tree-vect-loop.c (vect_determine_vectorization_factor):
987 Set STMT_VINFO_VECTYPE to the vector type of the def.
988 (vectorizable_reduction): Adjust.
989 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
990 Adjust. Specify the output vector type.
991 (vect_pattern_recog_1): Adjust.
992 * tree-vect-stmts.c (get_same_sized_vectype): New function.
993 (vectorizable_call): Adjust.
994 (vectorizable_conversion): Likewise.
995 (vectorizable_operation): Likewise.
996 (vectorizable_type_demotion): Likewise.
997 (vectorizable_type_promotion): Likewise.
998 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1000 (vect_is_simple_use_1): New function.
1001 (supportable_widening_operation): Get both input and output
1003 (supportable_narrowing_operation): Likewise.
1004 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
1006 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
1008 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
1009 __thiscall and _thiscall as predefined macros.
1010 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
1011 thiscall attribute handling.
1012 (ix86_comp_type_attributes): Likewise.
1013 (ix86_function_regparm): Likewise.
1014 (ix86_return_pops_args): Likewise.
1015 (init_cumulative_args): Likewise.
1016 (find_drap_reg): Likewise.
1017 (ix86_static_chain): Likewise.
1018 (x86_this_parameter): Likewise.
1019 (x86_output_mi_thunk): Likewise.
1020 (ix86_attribute_table): Add description for thiscall attribute.
1021 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
1022 * doc/extend.texi: Add documentation for thiscall.
1024 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1027 * c.opt (Wint-to-pointer-cast): Available in C++.
1028 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
1030 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
1032 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
1033 * calls.c (expand_call): Pass the function type to aggregate_value_p.
1034 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
1035 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
1036 function type instead. Reorder and simplify checks.
1038 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
1040 2010-04-08 Jing Yu <jingyu@google.com>
1041 Zdenek Dvorak <ook@ucw.cz>
1043 PR tree-optimization/42720
1044 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
1045 loop unswitch conditions here from ...
1046 (tree_unswitch_single_loop): ... here.
1048 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
1050 * tree-if-conv.c: Fix comments and simplify logic.
1052 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
1054 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
1055 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
1056 (main_tree_if_conversion): Update call to tree_if_conversion.
1058 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
1061 * doc/invoke.texi (-b,-V): Delete.
1062 * doc/tm.texi: Do not mention -b.
1063 * gcc.c (display_help): Delete -b and -V.
1064 (process_command): Delete -b and -V.
1065 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
1067 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
1068 Wolfgang Gellerich <gellerich@de.ibm.com>
1070 Implement target hook for loop unrolling
1071 * target.h (loop_unroll_adjust): Add a new target hook function.
1072 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
1073 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
1074 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
1075 (s390_loop_unroll_adjust): Implement the new target hook for s390.
1076 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
1078 (decide_unroll_stupid): Likewise.
1080 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1083 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
1085 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1087 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
1088 (Specific, *-*-solaris2*): Likewise.
1089 Don't prefer Sun as over GNU as.
1091 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
1093 * config/s390/s390.c (override_options): Adjust the z10
1094 defaults for max-unroll-times, max-completely-peeled-insns
1095 and max-completely-peel-times.
1097 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1099 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
1100 instructions for z10.
1101 (s390_expand_setmem): Likewise.
1102 (s390_expand_cmpmem): Likewise.
1104 2010-04-08 Richard Guenther <rguenther@suse.de>
1106 PR tree-optimization/43679
1107 * tree-ssa-pre.c (eliminate): Only propagate copies.
1109 2010-04-08 Jakub Jelinek <jakub@redhat.com>
1112 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
1113 set but not used variable warning.
1115 2010-04-08 Wei Guozhi <carrot@google.com>
1118 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
1119 (arm_size_rtx_costs): Call the new function when optimized for size.
1121 2010-04-08 Jakub Jelinek <jakub@redhat.com>
1124 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
1125 op0 is not a MEM, just return NULL instead of assertion
1127 (discover_nonconstant_array_refs): Don't walk debug stmts.
1129 2010-04-08 Doug Kwan <dougkwan@google.com>
1131 * configure.ac: Recognize gold and do not use its version number
1132 to test ld features.
1133 * configure: Regenerate.
1135 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
1138 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
1139 (negate_value): Move code to push elements to broken_up_substracts ...
1140 (eliminate_plus_minus_pair): ... here. Push operands that have no
1141 negative pair to plus_negates.
1142 (repropagate_negates, init_reassoc, fini_reassoc): Update.
1144 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1146 * doc/install.texi (Configuration): Move description of
1147 --enable-lto, --with-libelf*, --enable-gold from Java section to
1150 * doc/generic.texi (Working with declarations)
1151 (Function Properties, C and C++ Trees): Fix typos.
1152 * doc/sourcebuild.texi (Top Level): Likewise.
1154 2010-04-07 Jakub Jelinek <jakub@redhat.com>
1157 * tree.h (DECL_READ_P): Define.
1158 (struct tree_decl_common): Add decl_read_flag.
1159 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
1160 a set but not used warning.
1161 (merge_decls): Merge DECL_READ_P flag.
1162 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
1163 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
1164 * c-common.c (handle_used_attribute, handle_unused_attribute):
1166 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
1168 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
1170 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
1171 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
1172 c_parser_binary_expression, c_parser_cast_expression,
1173 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
1174 Call default_function_array_read_conversion instead of
1175 default_function_array_conversion where needed.
1176 (c_parser_unary_expression, c_parser_conditional_expression,
1177 c_parser_postfix_expression_after_primary, c_parser_initelt):
1178 Likewise. Call mark_exp_read where needed.
1179 (c_parser_statement_after_labels, c_parser_asm_operands,
1180 c_parser_typeof_specifier, c_parser_sizeof_expression,
1181 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
1183 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
1185 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
1186 (warn_unused_but_set_parameter): Default to warn_unused
1188 * doc/invoke.texi: Document -Wunused-but-set-variable and
1189 -Wunused-but-set-parameter.
1191 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
1192 used count variable.
1193 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
1194 when operandN variables aren't used in the body of the expander
1196 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
1197 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
1198 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
1199 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
1200 FOR_EACH_IMM_USE_ON_STMT): Likewise.
1201 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
1202 * tree.c (PROCESS_ARG): Likewise.
1204 2010-04-07 Simon Baldwin <simonb@google.com>
1206 * diagnostic.h (diagnostic_override_option_index): New macro to
1207 set a diagnostic's option_index.
1208 * c-tree.h (c_cpp_error): Add warning reason argument.
1209 * opts.c (_warning_as_error_callback): New.
1210 (register_warning_as_error_callback): Store callback for
1211 warnings enabled via enable_warning_as_error.
1212 (enable_warning_as_error): Call callback, minor code tidy.
1213 * opts.h (register_warning_as_error_callback): Declare.
1214 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
1215 response to -Werror=.
1216 (c_common_init_options): Register warning_as_error_callback in opts.c.
1217 * common.opt: Add -Wno-cpp option.
1218 * c-common.c (struct reason_option_codes_t): Map cpp warning
1219 reason codes to gcc option indexes.
1220 * (c_option_controlling_cpp_error): New function, lookup the gcc
1221 option index for a cpp warning reason code.
1222 * (c_cpp_error): Add warning reason argument, call
1223 c_option_controlling_cpp_error for diagnostic_override_option_index.
1224 * doc/invoke.texi: Document -Wno-cpp.
1226 2010-04-07 Richard Guenther <rguenther@suse.de>
1228 * ipa-reference.c (mark_load): Use get_base_address.
1229 (mark_store): Likewise.
1231 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
1232 inserting GIMPLE_NOPs into the IL.
1233 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1234 Explicitly strip handled components and indirect references.
1236 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
1237 folding address expressions.
1238 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
1239 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
1240 operand_equal_p to compare decls.
1241 (ptr_deref_may_alias_decl_p): Likewise.
1242 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
1243 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
1244 Handle reversed comparison ops.
1245 * tree-sra.c (asm_visit_addr): Use get_base_address.
1246 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
1247 * ipa-reference.c (mark_address): Use get_base_address.
1249 2010-04-07 Richard Guenther <rguenther@suse.de>
1251 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
1252 Propagate constants everywhere.
1254 2010-04-07 Jakub Jelinek <jakub@redhat.com>
1257 * tree.c (MAX_INT_CACHED_PREC): Define.
1258 (nonstandard_integer_type_cache): New array.
1259 (build_nonstandard_integer_type): Cache results for precision
1260 <= MAX_INT_CACHED_PREC.
1262 2010-04-07 Richard Guenther <rguenther@suse.de>
1264 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
1265 -fargument-noalias-global, -fargument-noalias-anything): Remove.
1266 * common.opt: Likewise.
1267 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
1268 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
1269 (nonoverlapping_memrefs_p): Likewise.
1270 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1271 * opts.c (common_handle_option): Handle OPT_fargument_alias,
1272 OPT_fargument_noalias, OPT_fargument_noalias_anything and
1273 OPT_fargument_noalias_global for backward compatibility.
1275 2010-04-07 Richard Guenther <rguenther@suse.de>
1277 PR tree-optimization/43270
1278 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
1279 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
1280 * tree-ssa-pre.c (phi_translate_1): Adjust.
1281 (fully_constant_expression): Split out vn_reference handling to ...
1282 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
1283 Fold reads from constant strings.
1284 (vn_reference_lookup): Handle fully constant references.
1285 (vn_reference_lookup_pieces): Likewise.
1286 * Makefile.in (expmed.o-warn): Add -Wno-error.
1288 2010-04-07 Martin Jambor <mjambor@suse.cz>
1290 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
1292 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
1295 * gcc.c: Add -static-libstdc++ to list of recognized options.
1297 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1299 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
1301 2010-04-07 Richard Guenther <rguenther@suse.de>
1304 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
1305 bases build simple mem attributes to retain points-to information.
1307 2010-04-07 Richard Guenther <rguenther@suse.de>
1310 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
1311 preserve points-to related information.
1313 2010-04-07 Richard Guenther <rguenther@suse.de>
1316 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
1317 discard plain indirect references.
1318 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
1319 * tree.c (tree_nop_conversion): Likewise.
1321 2010-04-07 Dodji Seketeli <dodji@redhat.com>
1324 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
1326 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
1328 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
1329 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
1331 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1333 * tree-if-conv.c: Fix indentation and comments.
1335 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1337 * tree-if-conv.c: Sort static functions in topological order.
1339 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1341 * tree-if-conv.c: Fix indentation and comments.
1343 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1346 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1347 lang_hooks.types.type_for_size instead of
1348 build_nonstandard_integer_type.
1349 When converting an unsigned type to signed, double its precision.
1350 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
1351 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
1352 (graphite_create_new_loop_guard): When ub + 1 wraps around,
1355 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1358 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1359 POINTER_PLUS_EXPR for pointer types.
1361 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1364 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
1365 * graphite-clast-to-gimple.c: Include langhooks.h.
1366 (max_signed_precision_type): New.
1367 (max_precision_type): Takes two types as arguments.
1368 (precision_for_value): New.
1369 (precision_for_interval): New.
1370 (gcc_type_for_interval): New.
1371 (gcc_type_for_value): New.
1372 (gcc_type_for_clast_term): New.
1373 (gcc_type_for_clast_red): New.
1374 (gcc_type_for_clast_bin): New.
1375 (gcc_type_for_clast_expr): Split up into several functions.
1376 (gcc_type_for_clast_eq): Rewritten.
1377 (compute_bounds_for_level): New.
1378 (compute_type_for_level_1): New.
1379 (compute_type_for_level): New.
1380 (gcc_type_for_cloog_iv): Removed.
1381 (gcc_type_for_iv_of_clast_loop): Rewritten.
1382 (graphite_create_new_loop): Compute the lower and upper bound types
1383 with gcc_type_for_clast_expr.
1384 (graphite_create_new_loop_guard): Same.
1385 (find_cloog_iv_in_expr): Removed.
1386 (compute_cloog_iv_types_1): Removed.
1387 (compute_cloog_iv_types): Removed.
1388 (gloog): Do not call compute_cloog_iv_types.
1389 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
1391 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
1392 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
1393 (GBB_CLOOG_IV_TYPES): Removed.
1395 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1397 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
1398 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
1399 (detect_commutative_reduction): Same.
1401 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1403 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
1404 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
1406 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
1407 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
1408 (rewrite_commutative_reductions_out_of_ssa): Same.
1409 * passes.c (execute_function_todo): Call verify_ssa for every pass
1410 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
1411 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
1412 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
1413 with an extra argument.
1414 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
1415 verify_ssa only when the extra argument is true.
1416 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
1417 with an extra argument.
1418 (tree_transform_and_unroll_loop): Same.
1420 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1422 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
1423 for all the passes of the LNO having LOOP_CLOSED_SSA.
1424 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
1425 * tree-loop-distribution.c (pass_loop_distribution): Same.
1426 * tree-pass.h (TODO_verify_loops): Removed.
1427 * tree-ssa-loop.c (pass_tree_loop_init): Same.
1429 (pass_tree_unswitch): Same.
1430 (pass_predcom): Same.
1431 (pass_vectorize): Same.
1432 (pass_linear_transform): Same.
1433 (pass_graphite_transforms): Same.
1434 (pass_iv_canon): Same.
1435 (pass_complete_unroll): Same.
1436 (pass_complete_unrolli): Same.
1437 (pass_parallelize_loops): Same.
1438 (pass_loop_prefetch): Same.
1439 (pass_iv_optimize): Same.
1441 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
1444 * passes.c (init_optimization_passes): Move pass_lim before
1445 pass_copy_prop and pass_dce_loop.
1447 2010-04-06 Jakub Jelinek <jakub@redhat.com>
1450 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
1451 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
1452 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
1453 MULTI_* defines for 4 argument vpermil2p* builtins.
1455 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
1457 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
1458 * config/i386/i386.c (x86_maybe_negate_const_int): New.
1459 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
1460 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
1461 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
1462 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
1463 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
1464 Use x86_maybe_negate_const_int to output insn mnemonic.
1465 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
1466 check from instruction predicate. Update comments.
1467 * config/i386/sync.md (sync_add<mode>): Use
1468 x86_maybe_negate_const_int to output insn mnemonic.
1470 2010-04-06 Jan Hubicka <jh@suse.cz>
1472 PR tree-optimization/42906
1473 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
1474 IGNORE_SELF argument. Set visited_control_parents for fully
1476 (find_obviously_necessary_stmts): Update call of
1477 mark_control_dependent_edges_necessary.
1478 (propagate_necessity): Likewise. Handle PHI edges more curefully.
1480 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
1482 * config/i386/i386.md: Remove comment about 'e' and 'E'
1485 2010-04-06 Richard Guenther <rguenther@suse.de>
1487 PR tree-optimization/43627
1488 * tree-vrp.c (extract_range_from_unary_expr): Widenings
1489 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
1492 2010-04-06 Jakub Jelinek <jakub@redhat.com>
1494 * BASE-VER: Change to 4.6.0.
1497 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
1500 2010-04-06 Richard Guenther <rguenther@suse.de>
1503 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
1505 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1507 * doc/invoke.texi (Optimize Options): Document that LTO
1508 won't remove object access purely due to incompatible
1511 2010-04-04 Matthias Klose <doko@ubuntu.com>
1513 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
1514 Initialize variable.
1516 2010-04-03 Richard Guenther <rguenther@suse.de>
1519 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
1520 require a non-NULL MEM_OFFSET.
1522 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
1524 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
1525 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
1526 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
1527 config/alpha/predicates.md, config/arm/arm.md,
1528 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
1529 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
1530 config/darwin9.h, config/darwin.c, config/darwin.h,
1531 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
1532 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
1533 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
1534 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
1535 config/mips/mips.md, config/mn10300/mn10300.c,
1536 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
1537 config/rs6000/aix.h, config/rs6000/dfp.md,
1538 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
1539 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
1540 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
1541 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
1542 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
1543 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
1544 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
1545 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
1546 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
1547 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
1548 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
1549 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
1550 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
1551 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
1552 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
1553 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
1554 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
1555 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
1556 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
1557 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
1558 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
1559 opt-functions.awk, opth-gen.awk, params.def, passes.c,
1560 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
1561 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
1562 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
1563 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
1564 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
1565 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
1566 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
1567 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
1568 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
1569 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
1570 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
1571 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
1572 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
1573 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
1575 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1578 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
1579 * aclocal.m4: Regenerate.
1581 2010-04-02 Richard Guenther <rguenther@suse.de>
1583 PR tree-optimization/43629
1584 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
1585 if we have seen a constant value.
1587 2010-04-02 Joseph Myers <joseph@codesourcery.com>
1589 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
1591 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
1594 * arm.c (legitimize_tls_address): Adjust call to
1595 gen_tls_load_dot_plus_four.
1596 (arm_note_pic_base): New function.
1597 (arm_cannot_copy_insn_p): Use it.
1598 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
1601 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1606 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1608 * Makefile.in ($(out_object_file)): Depend on
1609 gt-$(basename $(notdir $(out_file))).h.
1611 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
1613 * config.gcc (lm32-*-rtems*): Add t-lm32.
1615 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
1617 * config.gcc: Add lm32-*-rtems*.
1618 * config/lm32/rtems.h: New file.
1620 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
1623 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
1625 2010-04-01 Jakub Jelinek <jakub@redhat.com>
1627 * dwarf2out.c (output_compilation_unit_header): For
1628 -gdwarf-4 use version 4 instead of version 3.
1629 (output_line_info): For version 4 and above emit additional
1630 maximum ops per insn header field.
1631 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
1633 * dwarf2out.c (is_c_family, is_java): Remove.
1634 (lower_bound_default): New function.
1635 (add_bound_info, gen_descr_array_type_die): Use it.
1637 2010-04-01 Dodji Seketeli <dodji@redhat.com>
1640 * dwarf2out.c (gen_variable_die): Allow debug info for variable
1641 re-declaration when it happens in a function.
1643 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
1645 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
1646 (cgraph_remove_function_insertion_hook): Same.
1647 (cgraph_call_function_insertion_hooks): Same.
1649 2010-04-01 Richard Guenther <rguenther@suse.de>
1652 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
1653 and TREE_THIS_VOLATILE.
1654 (copy_ref_info): Likewise.
1655 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
1656 * tree.c (build6_stat): Ignore side-effects of all but arg5
1657 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
1660 2010-04-01 Richard Guenther <rguenther@suse.de>
1662 PR tree-optimization/43607
1663 * ipa-type-escape.c (check_call): Do not access non-existing
1666 2010-04-01 Richard Guenther <rguenther@suse.de>
1670 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
1671 Jack Howarth <howarth@bromo.med.uc.edu>
1673 * tree-profile.c (tree_init_ic_make_global_vars): Make static
1676 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1678 * doc/install.texi (Prerequisites): Document libelf usability on
1679 IRIX 5/6 and Solaris 2.
1680 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
1681 Update GNU as, GNU ld requirements.
1682 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
1683 Document Sun Studio compiler download.
1684 Update and simplify as, ld recommendations.
1685 (Specific, *-*-solaris2.7): Note obsoletion, removal.
1687 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1689 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
1690 with_tune_32 to pentium4.
1692 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
1694 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
1696 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1698 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
1699 obsoletion, removal.
1701 Document GNU as requirement.
1702 Update configure requirements.
1703 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
1704 Recomment IRIX 6.5.18+.
1705 Document IDF/IDL requirement.
1706 Document GNU as requirement.
1707 Document GNU ld bootstrap failure.
1708 Remove freeware.sgi.com reference.
1710 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1712 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
1713 UNIX V4.0, V5.0 obsoletion, removal.
1714 Remove --with-gc=simple reference.
1715 Update VM requirements during bootstrap.
1716 Remove -oldas bootstrap description.
1717 Update binutils reference.
1718 Remove comparison failure note.
1720 2010-03-31 Richard Guenther <rguenther@suse.de>
1721 Zdenek Dvorak <ook@ucw.cz>
1722 Sebastian Pop <sebastian.pop@amd.com>
1725 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
1726 with multiple arguments.
1727 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
1729 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
1731 * graphite-dependences.c (print_pddr): Call print_pdr with an
1733 * graphite-poly.c (debug_pdr): Add an extra argument for the
1736 (print_pbb_domain): Same.
1738 (print_scop_context): Same.
1740 (print_cloog): Same.
1741 (debug_pbb_domain): Same.
1745 (debug_scop_context): Same.
1747 (debug_cloog): Same.
1748 (print_scop_params): Same.
1749 (debug_scop_params): Same.
1750 (print_iteration_domain): Same.
1751 (print_iteration_domains): Same.
1752 (debug_iteration_domain): Same.
1753 (debug_iteration_domains): Same.
1754 (print_scattering_function): Same.
1755 (print_scattering_functions): Same.
1756 (debug_scattering_function): Same.
1757 (debug_scattering_functions): Same.
1758 * graphite-poly.h (debug_pdr): Update declaration.
1760 (print_pbb_domain): Same.
1762 (print_scop_context): Same.
1764 (print_cloog): Same.
1765 (debug_pbb_domain): Same.
1769 (debug_scop_context): Same.
1771 (debug_cloog): Same.
1772 (print_scop_params): Same.
1773 (debug_scop_params): Same.
1774 (print_iteration_domain): Same.
1775 (print_iteration_domains): Same.
1776 (debug_iteration_domain): Same.
1777 (debug_iteration_domains): Same.
1778 (print_scattering_function): Same.
1779 (print_scattering_functions): Same.
1780 (debug_scattering_function): Same.
1781 (debug_scattering_functions): Same.
1783 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
1785 * graphite-poly.c (print_scattering_function_1): New.
1786 (print_scattering_function): Call it.
1787 (print_scop_params): Remove spaces at the end of lines.
1790 * graphite-poly.h (print_cloog): Declared.
1791 (debug_cloog): Declared.
1793 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
1795 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
1797 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
1798 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
1799 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
1800 to switch between adding the IV bump in loop->latch or in loop->header.
1802 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
1804 * graphite-poly.c (print_scattering_function): Pretty print following
1807 (print_pbb_domain): Same.
1808 (dump_gbb_cases): Same.
1809 (dump_gbb_conditions): Same.
1812 (print_scop_params): Same.
1813 (print_scop_context): Same.
1815 (print_pbb_body): New.
1816 (lst_indent_to): New.
1817 (print_lst): Start new lines with a #.
1818 * graphite-poly.h (pbb_bb): New.
1819 (pbb_index): Use pbb_bb.
1820 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
1822 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
1824 2010-03-31 Jakub Jelinek <jakub@redhat.com>
1826 * dwarf2out.c (size_of_die): For -gdwarf-4 use
1827 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
1828 and 0 instead of 1 for dw_val_class_flag.
1829 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
1830 dw_val_class_range_list, dw_val_class_loc_list,
1831 dw_val_class_lineptr and dw_val_class_macptr, use
1832 DW_FORM_flag_present for dw_val_class_flag and
1833 DW_FORM_exprloc for dw_val_class_loc.
1834 (output_die): For -gdwarf-4 print dw_val_class_loc
1835 size as uleb128 instead of 1 or 2 bytes and don't print
1836 anything for dw_val_class_flag.
1838 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
1839 instead of cselib_lookup following by tweaking locs->setting_insn.
1842 * cselib.c (cselib_process_insn): Clear cselib_current_insn
1843 even before returning from label, setjmp call or volatile asm
1846 2010-03-31 Richard Guenther <rguenther@suse.de>
1849 * cgraphunit.c (cgraph_output_in_order): Do not allocate
1850 temporary data on stack.
1852 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1854 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
1855 (PUSHSECTION_ASM_OP): Remove.
1856 (POPSECTION_ASM_OP): Remove.
1857 (PUSHSECTION_FORMAT): Remove.
1858 * config/sol2.h (PUSHSECTION_FORMAT): Define.
1859 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
1860 * config/sol2.c (solaris_output_init_fini): Use it.
1862 2010-03-31 Jie Zhang <jie@codesourcery.com>
1865 * opt-functions.awk (var_type_struct): Use signed char type
1866 for simple variables.
1868 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1870 * config/sol2.c: Include output.h.
1871 (solaris_assemble_visibility): New function.
1872 * config/t-sol2 (sol2.o): Add output.h dependency.
1873 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
1874 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
1877 2010-03-31 Jakub Jelinek <jakub@redhat.com>
1880 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
1881 V2SImode or XFmode on PRE_DEC.
1884 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
1887 2010-03-31 Jie Zhang <jie@codesourcery.com>
1890 * reload.h (caller_save_initialized_p): Declare.
1891 * toplev.c (backend_init_target): Don't call
1892 init_caller_save but set caller_save_initialized_p to false.
1893 * caller-save.c (caller_save_initialized_p): Define.
1894 (init_caller_save): Check caller_save_initialized_p.
1895 * ira.c (ira): Call init_caller_save if flag_caller_saves.
1897 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1900 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
1901 and soft-fp/t-softfp to tmake_file.
1902 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
1903 (LIBGCC2_TF_CEXT): Define.
1906 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
1909 * cselib.c (n_useless_values): Document handling of debug locs.
1910 (n_useless_debug_values, n_debug_values): New variables.
1911 (new_elt_loc_list): Don't add to debug values, keep count.
1912 (promote_debug_loc): New.
1913 (cselib_reset_table): Zero new variables.
1914 (entry_and_rtx_equal_p): Promote debug locs.
1915 (discard_useless_locs): Increment n_useless_debug_values for
1917 (remove_useless_values): Adjust n_useless_values and n_debug_values
1918 with n_useless_debug_values.
1919 (add_mem_for_addr): Promote debug locs.
1920 (cselib_lookup_mem): Likewise.
1921 (cselib_lookup_addr): Renamed to...
1922 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
1923 (cselib_log_lookup): ... this. Turn into...
1924 (cselib_lookup_addr): ... new wrapper.
1925 (cselib_lookup_from_insn): New.
1926 (cselib_invalidate_regno): Increment n_useless_debug_values for
1928 (cselib_invalidate_mem): Likewise.
1929 (cselib_process_insn): Take n_deleted and n_debug_values into
1930 account to guard remove_useless_value call.
1931 (cselib_finish): Zero n_useless_debug_values.
1932 * cselib.h (cselib_lookup_from_insn): Declare.
1933 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
1934 (sched_analyze_2): Likewise.
1936 2010-03-30 Jakub Jelinek <jakub@redhat.com>
1938 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
1940 (adjust_mems): Replace narrowing SUBREG of expression containing
1941 just PLUS, MINUS, MULT and ASHIFT of registers and constants
1942 with operations in the narrower mode.
1945 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
1946 regs_invalidated_by_call instead all call_used_reg_set registers.
1948 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
1951 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
1952 pointer comparisons with types_compatible_p.
1953 * tree-vect-stmts.c (vectorizable_call): Same.
1954 (vectorizable_condition): Same.
1956 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1958 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
1959 stack check if the mask would be zero.
1961 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
1962 Jack Howarth <howarth@bromo.med.uc.edu>
1964 * tree-profile.c (tree_init_ic_make_global_vars): Make static
1967 2010-03-30 Joseph Myers <joseph@codesourcery.com>
1970 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
1972 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
1973 Include ___unordxf2 and ___unordtf2.
1974 * config/i386/libgcc-glibc.ver: Do not define inheritance from
1977 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
1979 * config/lm32/t-lm32: New file.
1980 * config.gcc: Use the above file when targetting lm32.
1982 2010-03-28 Duncan Sands <baldrick@free.fr>
1984 * Makefile.in (PLUGIN_HEADERS): Add except.h.
1986 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
1989 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
1990 Improve vectorization cost model diagnostic.
1992 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
1995 * tree-vect-data-refs.c (vect_analyze_data_refs): When
1996 compute_data_dependences_for_loop returns false, early exit
1997 and output an extra diagnostic for the failed data reference
2000 2010-03-29 Richard Guenther <rguenther@suse.de>
2002 PR tree-optimization/43560
2003 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
2004 (can_sm_ref_p): Treat stores to readonly locations as trapping.
2006 2010-03-29 Jie Zhang <jie@codesourcery.com>
2009 * toplev.c (process_options): Set optimization_default_node
2010 and optimization_current_node.
2011 * opts.c (decode_options): Don't set optimization_default_node
2012 and optimization_current_node.
2014 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
2016 * config/rtems.h: Abandon -qrtems_debug.
2018 2010-03-28 Jan Hubicka <jh@suse.cz>
2020 PR tree-optimization/43505
2021 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
2022 map should not be copied.
2024 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2027 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
2028 cdtors, set DECL_PRESERVE_P.
2029 * ipa.c (cgraph_externally_visible_p): Return true if declaration
2032 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
2034 PR tree-optimization/43528
2035 * stor-layout.c (place_field): Check that constant fits into
2036 unsigned HWI when skipping calculation of MS bitfield layout.
2038 2010-03-27 Jan Hubicka <jh@suse.cz>
2041 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
2042 notice_global_symbol work.
2044 2010-03-27 Jakub Jelinek <jakub@redhat.com>
2046 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
2047 instead of dwarf2out_decl.
2048 (struct var_loc_node): Remove section_label field.
2049 (dwarf2out_function_decl): New function.
2050 (dwarf2out_var_location): Don't set section_label field.
2051 (dwarf2out_begin_function): Don't empty decl_loc_table here.
2053 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
2055 PR tree-optimization/43544
2056 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2057 First argument for builtin vectorized function hook is now a
2058 tree to be able to distinguish between machine specific and
2060 * targhooks.c (default_builtin_vectorized_function): Ditto.
2061 * targhooks.h (default_builtin_vectorized_function): Ditto.
2062 * target.h (struct gcc_target): Ditto.
2063 * tree-vect-stmts.c (vectorizable_function): Ditto.
2064 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
2065 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2068 2010-03-26 Joseph Myers <joseph@codesourcery.com>
2071 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
2072 nested binding iff it is a FUNCTION_DECL.
2073 (store_parm_decls_newstyle): Pass nested=true to bind for
2074 FUNCTION_DECLs amongst parameters.
2076 2010-03-26 Jakub Jelinek <jakub@redhat.com>
2078 * var-tracking.c (vt_expand_loc_callback): Don't run
2079 cselib_expand_value_rtx_cb in dummy mode if
2080 cselib_dummy_expand_value_rtx_cb returned false.
2082 * var-tracking.c (emit_note_insn_var_location): For one part
2083 notes with offset 0, don't add EXPR_LIST around the location.
2084 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
2085 add_location_or_const_value_attribute): Adjust for that change.
2088 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
2089 into first operand and location into second.
2090 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
2091 dw_cfi_oprnd_loc for DW_CFA_expression.
2092 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
2093 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
2094 assume first argument is regnum and second argument is location.
2096 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
2099 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
2100 of scratch register to DImode. Split to DImode comparison operator.
2101 Use SImode subreg of scratch register in the multiplication.
2102 (*cmp_sadd_sidi): Ditto.
2103 (*cmp_ssub_si): Ditto.
2104 (*cmp_ssub_sidi): Ditto.
2106 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
2109 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
2110 Remove invalid assert and wrong comment.
2112 2010-03-26 Jakub Jelinek <jakub@redhat.com>
2115 * flags.h (final_insns_dump_p): New extern.
2116 * final.c (final_insns_dump_p): New variable.
2117 (rest_of_clean_state): Set it before -fdump-final-insns=
2118 dumping, clear afterwards.
2119 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
2120 MEM_ALIAS_SET on MEMs.
2122 2010-03-26 David S. Miller <davem@davemloft.net>
2124 * configure.ac: Fix sparc GOTDATA_OP bug check.
2125 * configure: Rebuild.
2127 2010-03-26 Alan Modra <amodra@gmail.com>
2129 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
2131 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2133 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
2134 TLS_SECTION_ASM_FLAG.
2136 2010-03-25 Jakub Jelinek <jakub@redhat.com>
2139 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
2140 Clear first_function_block_is_cold.
2143 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
2144 argument if the argument is truth_value_p.
2146 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
2148 * config/rs6000/constraints.md: Update copyright year for my changes.
2151 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
2152 used in reg+reg addressing, swap registers.
2154 2010-03-24 Jakub Jelinek <jakub@redhat.com>
2157 * target.h (struct gcc_target): Add code_end hook.
2158 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
2160 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
2161 * toplev.c (compile_file): Call targetm.asm_out.code_end
2162 hook before unwind info/debug info output.
2163 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
2164 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
2165 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2166 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
2167 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2168 * config/i386/i386.c (ix86_file_end): Renamed to...
2169 (ix86_code_end): ... this. Make static. Don't call
2170 file_end_indicate_exec_stack. Emit unwind info using
2171 final_start_function/final_end_function.
2172 (darwin_x86_file_end): Remove.
2173 (TARGET_ASM_CODE_END): Define.
2174 * config/i386/i386.h (TARGET_ASM_FILE_END,
2175 NEED_INDICATE_EXEC_STACK): Don't define.
2176 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
2177 (TARGET_ASM_FILE_END): Define to darwin_file_end.
2178 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
2179 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
2182 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
2183 at the beginning and final_end_function at the end.
2184 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2186 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2188 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
2189 and Sun as TLS syntax.
2190 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
2191 * configure: Regenerate.
2192 * config.in: Regenerate.
2193 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
2194 (default_elf_asm_named_section): Use it.
2195 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
2196 (i386_output_dwarf_dtprel): Likewise.
2197 (output_addr_const_extra): Likewise.
2198 (output_pic_addr_const): Lowercase @GOTTPOFF.
2199 (output_addr_const_extra): Likewise.
2200 (output_pic_addr_const): Lowercase @GOTNTPOFF.
2201 (output_addr_const_extra): Likewise.
2202 (output_pic_addr_const): Lowercase @INDNTPOFF.
2203 (output_addr_const_extra): Likewise.
2204 (output_pic_addr_const): Lowercase @NTPOFF.
2205 (output_addr_const_extra): Likewise.
2206 (output_pic_addr_const): Lowercase @TPOFF.
2207 (output_addr_const_extra): Likewise.
2208 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
2209 (*tls_global_dynamic_64): Likewise.
2210 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
2211 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
2213 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
2214 (ASM_OUTPUT_TLS_COMMON): Use it.
2215 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
2218 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
2219 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
2220 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
2221 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
2222 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2223 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
2225 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2227 * config/i386/i386.c (override_options): Don't accept
2228 -mtls-dialect=sun any longer.
2229 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
2230 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
2231 (*tls_local_dynamic_base_32_sun): Likewise.
2232 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2234 2010-03-24 Jakub Jelinek <jakub@redhat.com>
2237 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
2238 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
2241 * ira.c (adjust_cleared_regs): New function.
2242 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
2246 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
2248 * expr.c (expand_expr_real): Restore previous
2249 curr_insn_source_location and curr_insn_block after
2250 expand_expr_real_1 call.
2251 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
2252 instead of expand_expr_real_1.
2254 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
2256 PR rtl-optimization/43413
2257 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
2260 2010-03-22 James E. Wilson <wilson@codesourcery.com>
2263 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
2264 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
2266 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
2268 * config/i386/i386.c (ix86_target_string): Add -mfma.
2269 Fix a typo in comment.
2271 2010-03-22 Mike Stump <mikestump@comcast.net>
2274 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2275 Don't overly align based upon packed packed fields.
2277 2010-03-22 Jason Merrill <jason@redhat.com>
2279 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
2280 Use () rather than [], and move before the element type.
2282 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2284 * doc/configfiles.texi (Configuration Files): Removed
2285 fixinc/Makefile*, intl/Makefile.*.
2286 * doc/makefile.texi: Fixed markup. Abstract from version
2287 control system used.
2288 (Makefile): Removed obsolete gcc/java/parse.y example.
2289 * doc/sourcebuild.texi: Likewise.
2290 (Top Level): Added config, gnattools, libdecnumber, libgcc,
2291 libgomp, libssp. Removed fastjar.
2292 (Miscellaneous Docs): Clarify location.
2293 Added COPYING3, COPYING3.LIB.
2294 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
2296 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2299 * config/i386/i386.c (x86_function_profiler)
2300 [!NO_PROFILE_COUNTERS]: Fix typo.
2301 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
2304 2010-03-22 Janis Johnson <janis187@us.ibm.com>
2305 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2307 * doc/sourcebuild.texi (Test Directives): Split into six
2308 subsections, with most of the current text in new subsections
2309 Directives, Selectors, and Final Actions.
2310 (Directives): Split list of test directives into multiple
2312 (Selectors): Describe use and syntax of selectors.
2313 (Effective-Target Keywords): Describe all existing keywords.
2314 (Add Options): Describe features for dg-add-options.
2315 (Require Support): Describe variants of dg-require-support.
2316 (Final Actions): Describe commands to use in dg-final.
2318 2010-03-22 Michael Matz <matz@suse.de>
2321 * recog.c (validate_replace_rtx_group): Replace also in
2322 REG_EQUAL and REG_EQUIV notes.
2324 2010-03-22 Richard Guenther <rguenther@suse.de>
2326 PR tree-optimization/43390
2327 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
2328 sure vector extracts are type correct.
2330 2010-03-22 Richard Guenther <rguenther@suse.de>
2333 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
2334 x * sqrt (x) even when optimizing for size if the target
2335 has native support for sqrt.
2337 2010-03-22 Jakub Jelinek <jakub@redhat.com>
2339 * varasm.c (make_decl_rtl_for_debug): Also clear
2340 flag_mudflap for the duration of make_decl_rtl call.
2343 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
2344 locs from preserved VALUEs.
2346 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2349 * pa.md (movmemsi): Set align to one if zero.
2350 (movmemdi): Likewise.
2352 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
2355 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
2356 with their corresponding prologue pushes.
2358 2010-03-20 Andrew Pinski <pinskia@gmail.com>
2361 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
2362 at the begining or end.
2363 (spu_expand_epilogue): Likewise.
2365 2010-03-20 Richard Guenther <rguenther@suse.de>
2367 PR rtl-optimization/43438
2368 * combine.c (make_extraction): Properly zero-/sign-extend an
2369 extraction of the low part of a CONST_INT. Also handle
2372 2010-03-19 Mike Stump <mikestump@comcast.net>
2374 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
2375 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
2376 (override_options): Use SUBTARGET32_DEFAULT_CPU.
2378 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
2381 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
2384 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
2386 PR rtl-optimization/42258
2387 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
2388 use that may match DEF.
2391 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
2392 the cost of loading the constant rather than assuming
2394 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
2395 outer code is AND, do the same tests as the andsi3 expander and
2396 return COSTS_N_INSNS (1) if and is cheap.
2398 * optabs.c (avoid_expensive_constant): Fix formatting.
2400 2010-03-19 Michael Matz <matz@suse.de>
2403 * attribs.c (decl_attributes): When rebuilding a function pointer
2404 type use the same qualifiers as the original pointer type.
2406 2010-03-19 Martin Jambor <mjambor@suse.cz>
2408 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
2409 and is_gimple_ip_invariant_address.
2411 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2414 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2416 * config/arm/arm.c (arm_override_options): Turn off
2417 flag_dwarf2_cfi_asm for AAPCS variants.
2419 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2422 * config/arm/arm.c (emit_multi_reg_push): Update comments.
2423 Use PRE_MODIFY instead of PRE_DEC.
2424 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
2425 (vfp_emit_fstmd): Likewise.
2427 2010-03-19 Michael Matz <matz@suse.de>
2430 * builtins.c (expand_builtin_interclass_mathfn,
2431 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
2434 2010-03-19 Richard Guenther <rguenther@suse.de>
2436 PR tree-optimization/43415
2437 * tree-ssa-pre.c (phi_translate): Split out worker to ...
2438 (phi_translate_1): ... this.
2439 (phi_translate): Move all caching here. Cache all NARY
2440 and REFERENCE translations.
2442 2010-03-19 David S. Miller <davem@davemloft.net>
2444 With help from Eric Botcazou.
2445 * config/sparc/sparc.c: Include dwarf2out.h.
2446 (emit_pic_helper): Delete.
2447 (pic_helper_symbol_name): Delete.
2448 (pic_helper_emitted_p): Delete.
2449 (pic_helper_needed): New.
2450 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
2451 (get_pc_thunk_name): New.
2452 (load_pic_register): Remove 'delay_pic_helper' arg. Use
2453 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
2454 Set pic_helper_needed to true. Don't call emit_pic_helper.
2455 (sparc_expand_prologue): Update load_pic_register call.
2456 (sparc_output_mi_thunk): Likewise.
2457 (sparc_file_end): Emit a hidden comdat symbol for the PIC
2458 thunk if possible. Output CFI information as needed.
2460 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
2461 Jack Howarth <howarth@bromo.med.uc.edu>
2464 * config/i386/i386.h: Fix ABI on darwin x86-32.
2466 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
2468 * tree.h: Declare make_decl_rtl_for_debug.
2469 * varasm.c (make_decl_rtl_for_debug): New.
2470 * dwarf2out.c (rtl_for_decl_location): Call it.
2471 * cfgexpand.c (expand_debug_expr): Call it.
2473 2010-03-18 Jakub Jelinek <jakub@redhat.com>
2476 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
2480 * var-tracking.c (vt_init_cfa_base): Do nothing if
2481 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
2483 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
2486 * var-tracking.c (canonicalize_vars_star): New.
2487 (dataflow_post_merge_adjust): Use it.
2489 2010-03-18 Jakub Jelinek <jakub@redhat.com>
2492 * var-tracking.c (non_suitable_const): New function.
2493 (add_uses): For DEBUG_INSNs with constants, don't record any
2494 value, instead just the constant value itself.
2495 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
2496 is not VAR_LOC_UNKNOWN_P, set var to the constant.
2497 (emit_notes_in_bb): Likewise.
2498 (emit_note_insn_var_location): For onepart variables if
2499 cur_loc is a VOIDmode constant, use DECL_MODE.
2501 2010-03-18 Martin Jambor <mjambor@suse.cz>
2504 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
2505 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
2506 all non-clones. Moved call redirection...
2507 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
2508 (cgraph_materialize_all_clones): Dispose of all
2509 combined_args_to_skip bitmaps.
2510 (verify_cgraph_node): Do not check for edges pointing to wrong
2511 nodes in inline clones.
2512 * tree-inline.c (copy_bb): Call
2513 cgraph_redirect_edge_call_stmt_to_callee.
2514 * ipa.c (cgraph_remove_unreachable_nodes): Call
2515 cgraph_node_remove_callees even when there are used clones.
2517 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
2519 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
2521 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
2524 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
2527 2010-03-18 Michael Matz <matz@suse.de>
2530 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
2531 into sqrt(x) if we need to preserve signed zeros.
2533 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
2534 Eric Botcazou <ebotcazou@adacore.com>
2536 PR rtl-optimization/43360
2537 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
2538 note if we don't know its invariant status.
2540 2010-03-18 Michael Matz <matz@suse.de>
2542 PR tree-optimization/43402
2543 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
2544 PHI chains of ssa names registered for update.
2546 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
2549 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
2550 non-offsettable and pre_modify update addressing.
2551 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
2552 and "2" alternatives "#".
2553 (*movdd_softfloat32): Make all alternatives "#";
2554 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
2555 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
2556 (*movdf_softfloat32): Make all alternatives "#";
2557 (movdi): Use the new DIFD mode iterator to create a common splitter
2558 for movdi, movdf and movdd patterns.
2560 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
2562 * common.opt (dumpdir): Remove redundant tab.
2564 2010-03-17 Martin Jambor <mjambor@suse.cz>
2566 PR tree-optimization/43347
2567 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
2568 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
2570 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
2572 PR rtl-optimization/42216
2573 * regrename.c (create_new_chain): New function, broken out from...
2574 (scan_rtx_reg): ... here. Call it. Handle the case where we are
2575 appending a use to an empty chain.
2576 (build_def_use): Remove previous changes that convert OP_INOUT to
2577 OP_OUT operands; instead detect the case where an OP_INOUT operand
2578 uses a previously untracked register and create an empty chain for it.
2580 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2582 * doc/extend.texi (Function Attributes): Rewrite unfinished
2583 sentence in ms_abi documentation.
2585 2010-03-17 Alan Modra <amodra@gmail.com>
2587 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
2588 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
2589 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
2590 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
2592 2010-03-16 Richard Henderson <rth@redhat.com>
2595 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
2596 (lower_try_finally): Save and restore eh_seq around the expansion
2599 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
2601 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
2602 statements before splitting block.
2604 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2606 * doc/sourcebuild.texi (Testsuites): Fix markup.
2607 Use pathnames relative to gcc/testsuite.
2608 (Test Directives): Move description of how timeout is determined.
2609 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
2610 (C Tests): Correct gcc.misc-tests directory.
2611 Framework tests now live in gcc.test-framework.
2613 2010-03-16 Richard Guenther <rguenther@suse.de>
2616 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
2617 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
2619 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
2620 Alexandre Oliva <aoliva@redhat.com>
2622 PR tree-optimization/42917
2623 * lambda-code.c (remove_iv): Skip debug statements.
2624 (lambda_loopnest_to_gcc_loopnest): Likewise.
2625 (not_interesting_stmt): Debug statements are not interesting.
2627 2010-03-16 Jakub Jelinek <jakub@redhat.com>
2631 * cselib.c (cselib_preserve_constants,
2632 cfa_base_preserved_val): New static variables.
2633 (preserve_only_constants): New function.
2634 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
2635 clear its REG_VALUES. If cselib_preserve_constants, don't
2636 empty the whole hash table, but preserve there VALUEs with constants,
2637 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
2638 (cselib_preserve_cfa_base_value): New function.
2639 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
2640 (cselib_init): Change argument to int bitfield. Set
2641 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
2643 (cselib_finish): Clear cselib_preserve_constants and
2644 cfa_base_preserved_val.
2645 * cselib.h (enum cselib_record_what): New enum.
2646 (cselib_init): Change argument to int.
2647 (cselib_preserve_cfa_base_value): New prototype.
2648 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
2649 * dse.c (dse_step1): Likewise.
2650 * cfgcleanup.c (thread_jump): Likewise.
2651 * sched-deps.c (sched_analyze): Likewise.
2652 * gcse.c (local_cprop_pass): Likewise.
2653 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
2654 If FN is non-NULL, call the callback always and whenever it returns
2655 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
2656 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
2657 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
2658 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
2659 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
2660 * var-tracking.c: Include recog.h.
2661 (bb_stack_adjust_offset): Remove.
2662 (vt_stack_adjustments): Don't call it, instead just gather the
2663 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
2664 (adjust_stack_reference): Remove.
2665 (compute_cfa_pointer): New function.
2666 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
2667 (struct adjust_mem_data): New type.
2668 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
2670 (get_address_mode): New function.
2671 (replace_expr_with_values): Use it.
2672 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
2673 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
2674 (adjust_sets): Remove.
2675 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
2676 Use get_address_mode.
2677 (get_adjusted_src): Remove.
2678 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
2679 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
2680 (add_with_sets): Don't call adjust_sets.
2681 (fp_setter, vt_init_cfa_base): New functions.
2682 (vt_initialize): Change return type to bool. Move most of pool etc.
2683 initialization to the beginning of the function from end. Pass
2684 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
2685 If !frame_pointer_needed, call vt_stack_adjustment before mos
2686 vector is filled, call vt_init_cfa_base if argp/framep has been
2687 eliminated to sp. If frame_pointer_needed and argp/framep has
2688 been eliminated to hard frame pointer, set
2689 hard_frame_pointer_adjustment and call vt_init_cfa_base after
2690 encountering fp setter in the prologue. For MO_ADJUST, call
2691 log_op_type before pusing the op into mos vector, not afterwards.
2692 Call adjust_insn before cselib_process_insn/add_with_sets,
2693 call cancel_changes (0) afterwards.
2694 (variable_tracking_main_1): Adjust for vt_initialize calling
2695 vt_stack_adjustments and returning whether it succeeded or not.
2697 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
2699 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
2702 2010-03-15 Jakub Jelinek <jakub@redhat.com>
2704 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
2706 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
2707 drap_reg has not been set.
2709 2010-03-15 Michael Matz <matz@suse.de>
2712 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
2713 use it to expand block copies.
2714 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
2715 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
2716 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
2718 2010-03-15 Richard Guenther <rguenther@suse.de>
2720 PR tree-optimization/43367
2721 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
2724 2010-03-15 Richard Guenther <rguenther@suse.de>
2726 PR tree-optimization/43317
2727 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
2729 2010-03-15 Martin Jambor <mjambor@suse.cz>
2731 PR tree-optimization/43141
2732 * tree-sra.c (create_abstract_origin): New function.
2733 (modify_function): Call create_abstract_origin.
2735 2010-03-15 Chris Demetriou <cgd@google.com>
2737 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
2740 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2743 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
2744 call insert_out_of_ssa_copy for default definitions.
2746 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2748 * graphite-clast-to-gimple.c (my_long_long): Defined.
2749 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
2750 * graphite-sese-to-poly.c (my_long_long): Defined.
2751 (scop_ivs_can_be_represented): Use it.
2753 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2755 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
2756 graphite-max-bbs-per-function, and loop-block-tile-size.
2757 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
2759 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
2761 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2763 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
2764 forward declaration.
2765 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
2766 (add_upper_bounds_from_estimated_nit): New.
2767 (build_loop_iteration_domains): Use it.
2769 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2771 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
2773 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2776 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
2777 should be an INTEGER_CST. Also handle CASE_CONVERT.
2779 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2781 * graphite.c (graphite_initialize): To bound the number of bbs per
2782 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
2783 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
2784 * doc/invoke.texi: Document it.
2786 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2788 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
2789 * graphite-sese-to-poly.h (build_poly_scop): Same.
2791 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2793 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
2794 the number of parameters in the scop. Use as an upper bound
2795 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
2796 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
2797 * doc/invoke.texi: Document it.
2799 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
2801 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
2802 * doc/c-tree.texi: Remove.
2803 * doc/generic.texi: Merge c-tree.texi here.
2804 * doc/gccint.texi (Trees): Remove menu entry.
2805 (c-tree.texi): Remove @include.
2806 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
2807 * doc/languages.texi (Reading RTL): Ditto.
2809 2010-03-12 Steve Ellcey <sje@cup.hp.com>
2812 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
2814 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
2817 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
2818 code added to work around reload clobbering CONST insns.
2820 2010-03-12 Jakub Jelinek <jakub@redhat.com>
2822 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
2823 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
2824 (cselib_preserve_only_values): Remove retain argument, don't
2825 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
2826 * cselib.h (cselib_preserve_only_values): Remove retain argument.
2827 * var-tracking.c (micro_operation): Move insn field before union.
2828 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
2829 (struct variable_tracking_info_def): Remove n_mos field, change
2830 mos into a vector of micro_operations.
2831 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
2832 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
2833 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
2834 changing into a vector.
2835 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
2836 come before all other uops generated by add_stores.
2837 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
2839 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
2840 a vector. Run just one pass over the bbs instead of separate counting
2841 and computation phase.
2842 (vt_finalize): Free VTI (bb)->mos vector instead of array.
2845 * tree-inline.c (remap_decls): Put old_var rather than origin_var
2846 into *nonlocalized_list vector.
2847 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
2848 even if origin is non-NULL.
2849 (gen_variable_die): Likewise.
2850 (process_scope_var): Don't change origin.
2851 (gen_decl_die): Likewise.
2852 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
2853 before adding new edges instead of after it, fix moving over
2856 2010-03-11 David S. Miller <davem@davemloft.net>
2858 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
2860 * configure: Rebuild.
2862 2010-03-11 Martin Jambor <mjambor@suse.cz>
2864 PR tree-optimization/43257
2865 * tree.c (assign_assembler_name_if_neeeded): New function.
2866 (free_lang_data_in_cgraph): Assembler name assignment moved to the
2868 * tree.h (assign_assembler_name_if_neeeded): Declare.
2869 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
2870 the function if needed.
2872 2010-03-11 Chris Demetriou <cgd@google.com>
2874 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
2875 include/stdint-gcc.h, and include/stdint.h world-readable.
2877 2010-03-11 Richard Guenther <rguenther@suse.de>
2879 PR tree-optimization/43255
2880 * tree-vrp.c (process_assert_insertions_for): Do not insert
2881 asserts for trivial conditions.
2883 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2885 PR tree-optimization/43280
2886 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
2887 generation. Move calculation of size out of the if branch.
2888 (find_bswap): Modify compare number generation.
2890 2010-03-11 Richard Guenther <rguenther@suse.de>
2893 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
2894 (input_gimple_stmt): Fixup handled component types during
2895 operand read. Also fix up decls in ADDR_EXPRs.
2897 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
2899 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
2900 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
2902 2010-03-10 Jan Hubicka <jh@suse.cz>
2905 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
2906 * varasm.c (get_variable_section): Don't do that here...
2907 (make_decl_rtl): ... and here.
2908 (do_assemble_alias): Produce decl RTL.
2909 (assemble_alias): Likewise.
2911 2010-03-10 Jakub Jelinek <jakub@redhat.com>
2914 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
2915 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
2917 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
2918 (based_loc_descr): Only express drap or vdrap regno based expressions
2919 using DW_OP_fbreg when not optimizing.
2920 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
2921 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
2922 REG_CFA_SET_VDRAP note.
2924 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
2926 PR tree-optimization/43236
2927 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
2928 error in calculation of base address in reverse iteration case.
2929 (generate_builtin): Take number of latch executions if the statement
2932 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
2935 * tree-eh.c: Include pointer-set.h.
2936 (lower_eh_dispatch): Filter out duplicate case labels and
2937 remove the unneeded edge when the label is unused. Return
2938 true when some edges are removed.
2939 (execute_lower_eh_dispatch): When any lowering resulted in
2940 removing an edge, also delete unreachable blocks.
2942 2010-03-10 Jakub Jelinek <jakub@redhat.com>
2945 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
2946 UNSPEC_MACHOPIC_OFFSET.
2948 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
2951 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
2952 (m68k_delegitimize_address): New function.
2954 2010-03-09 Jakub Jelinek <jakub@redhat.com>
2957 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
2960 * var-tracking.c (adjust_sets): New function.
2961 (count_with_sets, add_with_sets): Use it.
2962 (get_adjusted_src): New inline function.
2963 (add_stores): Use it.
2966 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
2967 call cselib_dummy_expand_value_rtx_cb instead of
2968 cselib_expand_value_rtx_cb.
2971 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
2972 * config/i386/i386.c: Include debug.h and dwarf2out.h.
2973 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
2974 and .cfi_endproc around the pic thunks.
2975 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
2976 all queued unwind info register saves are saved before the call.
2977 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
2978 considered as sp-=4 for unwind info and the pop as sp+=4 which
2979 also clobbers dest, but doesn't actually restore it.
2982 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
2983 RTX_FRAME_RELATED_P.
2985 2010-03-09 Jie Zhang <jie@codesourcery.com>
2987 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
2988 whitespaces in output template.
2990 2010-03-09 Jie Zhang <jie@codesourcery.com>
2992 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
2995 2010-03-08 Jakub Jelinek <jakub@redhat.com>
2997 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
2998 builtins.exp in a separate job.
3000 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3002 * graphite-sese-to-poly.c (add_param_constraints): Use
3003 lower_bound_in_type and upper_bound_in_type.
3005 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3007 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
3008 instead of unsigned_type_node.
3010 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3011 Reza Yazdani <reza.yazdani@amd.com>
3014 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
3015 on pointer type parameters.
3017 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
3021 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
3022 handle conversions from pointer to integers.
3023 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
3024 induction variable, to be able to work with code generated by CLooG.
3025 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
3026 (build_poly_scop): Bail out if we cannot codegen a loop.
3028 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
3030 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
3031 code generation with gloog_error.
3033 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3035 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
3036 Call fold_convert on all the returned values.
3037 (expand_scalar_variables_expr): Pass to
3038 expand_scalar_variables_ssa_name the type of the resulting expression.
3040 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3042 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
3043 ppl_min_for_le_pointset.
3044 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
3045 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
3047 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3049 * graphite-dependences.c (map_into_dep_poly): Removed.
3050 (dependence_polyhedron_1): Use combine_context_id_scat.
3052 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3054 * graphite-poly.h (struct poly_scattering): Add layout documentation.
3055 (struct poly_bb): Same.
3056 (combine_context_id_scat): New.
3058 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3061 * sese.c (name_defined_in_loop_p): Return false for default
3064 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3066 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
3067 and clean up the logic.
3069 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3071 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
3074 2010-03-08 Jakub Jelinek <jakub@redhat.com>
3076 * var-tracking.c (remove_cselib_value_chains): Define only for
3078 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
3079 delete_slot_part, emit_notes_for_differences_1): Don't call
3080 remove_cselib_value_chains here.
3081 (set_slot_part, emit_notes_for_differences_2): Don't call
3082 add_cselib_value_chains here.
3083 (preserved_values): New vector.
3084 (preserve_value): New function.
3085 (add_uses, add_stores, vt_add_function_parameters): Use it
3086 instead of cselib_preserve_value.
3087 (changed_values_stack): New vector.
3088 (check_changed_vars_0): New function.
3089 (check_changed_vars_1, check_changed_vars_2): Use it.
3090 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
3091 changed_values_stack VALUEs.
3092 (vt_emit_notes): For all preserved_values call
3093 add_cselib_value_chains. If ENABLE_CHECKING call
3094 remove_cselib_value_chains before verifying value_chains is empty.
3095 Initialize and free changed_values_stack.
3096 (vt_initialize): Initialize preserved_values.
3097 (vt_finalize): Free preserved_values.
3099 2010-03-08 Richard Guenther <rguenther@suse.de>
3101 PR tree-optimization/43269
3102 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
3105 2010-03-08 Martin Jambor <mjambor@suse.cz>
3107 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
3108 (ipa_is_param_called): Removed.
3109 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
3110 (ipa_print_node_params): Do not print the called flag.
3111 (ipa_write_node_info): Do not stream the called flag.
3112 (ipa_read_node_info): Likewise.
3114 2010-03-07 Jakub Jelinek <jakub@redhat.com>
3117 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
3118 * cselib.c (struct expand_value_data): Add dummy field.
3119 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
3121 (cselib_dummy_expand_value_rtx_cb): New function.
3122 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
3124 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
3125 * var-tracking.c: Include pointer-set.h.
3126 (variable): Change n_var_parts to char from int. Add
3127 cur_loc_changed and in_changed_variables fields.
3128 (variable_canonicalize): Remove.
3129 (shared_var_p): New inline function.
3130 (unshare_variable): Maintain cur_loc_changed and
3131 in_changed_variables fields. If var was in changed_variables,
3132 replace it there with new_var. Just copy cur_loc instead of
3133 resetting it to something else.
3134 (variable_union): Don't recompute cur_loc. Use shared_var_p.
3135 (dataflow_set_union): Don't call variable_canonicalize.
3136 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
3137 of their DEBUG_EXPR_TREE_DECLs.
3138 (canonicalize_loc_order_check): Verify that cur_loc is NULL
3139 and in_changed_variables and cur_loc_changed is false.
3140 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
3141 and cur_loc_changed. Don't update cur_loc here.
3142 (variable_merge_over_src): Don't call variable_canonicalize.
3143 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
3144 removing loc that is equal to cur_loc, clear cur_loc,
3145 set cur_loc_changed and ensure variable_was_changed is called.
3146 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
3147 compare pointers in cur_loc check, if it is equal to loc,
3148 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
3149 (variable_different_p): Remove compare_current_location argument,
3150 don't compare cur_loc.
3151 (dataflow_set_different_1): Adjust variable_different_p caller.
3152 (variable_was_changed): If dv had some var in changed_variables
3153 already, reset in_changed_variables flag for it and propagate
3154 cur_loc_changed over to the new variable. On empty var
3155 always set cur_loc_changed. Set in_changed_variables on whatever
3156 var is added to changed_variables.
3157 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
3158 Use shared_var_p. When removing loc that is equal to cur_loc,
3159 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
3160 end, don't set it to something else, just call variable_was_changed.
3161 (delete_slot_part): Use shared_var_p. When cur_loc equals to
3162 loc being removed, clear cur_loc and set cur_loc_changed.
3163 Set cur_loc_changed if all locations have been removed.
3164 (struct expand_loc_callback_data): New type.
3165 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
3166 allocated. Always create SUBREGs if simplify_subreg failed.
3167 Prefer to use cur_loc, when that fails and still in
3168 changed_variables (and seen first time) recompute it. Set
3169 cur_loc_changed of variables which had to change cur_loc and
3170 compute elcd->cur_loc_changed if any of the subexpressions used
3171 had to change cur_loc.
3172 (vt_expand_loc): Adjust to pass arguments in
3173 expand_loc_callback_data structure.
3174 (vt_expand_loc_dummy): New function.
3175 (emitted_notes): New variable.
3176 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
3177 that weren't used for any other decl in current
3178 emit_notes_for_changes call call vt_expand_loc_dummy to update
3179 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
3180 first loc_chain location if NULL before. Always use just
3181 cur_loc instead of first loc_chain location. When cur_loc_changed
3182 is false, when not --enable-checking=rtl just don't emit any note.
3183 When rtl checking, compute the note and assert it is the same
3184 as previous note. Clear cur_loc_changed and in_changed_variables
3185 at the end before removing from changed_variables.
3186 (check_changed_vars_3): New function.
3187 (emit_notes_for_changes): Traverse changed_vars to call
3188 check_changed_vars_3 on each changed var.
3189 (emit_notes_for_differences_1): Clear cur_loc_changed and
3190 in_changed_variables. Recompute cur_loc of new_var.
3191 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
3192 (vt_emit_notes): Initialize and destroy emitted_notes.
3194 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
3196 PR rtl-optimization/42220
3197 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
3198 Use verify_reg_tracked to determine if we should use OP_OUT rather
3200 (build_def_use): If we see an in-out operand for a register that we
3201 know nothing about, treat is an output if possible, fail the block if
3204 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3207 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
3210 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3213 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
3214 uses of relevant DEFs that are dead outside the loop too.
3216 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3218 * var-tracking.c (dataflow_set_merge): Swap src and src2.
3220 2010-01-13 Jakub Jelinek <jakub@redhat.com>
3222 * var-tracking.c (values_to_unmark): New variable.
3223 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
3224 values_to_unmark vector. Moved body to...
3225 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
3226 instead queue it into values_to_unmark vector.
3227 (vt_find_locations): Free values_to_unmark vector.
3229 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
3231 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
3232 (site.exp): Export them when plugins are enabled.
3234 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
3237 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
3239 (chrec_fold_multiply): Same.
3241 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
3244 * c-decl.c (build_compound_literal): Return early if init is
3247 2010-03-04 Martin Jambor <mjambor@suse.cz>
3249 PR tree-optimization/43164
3250 PR tree-optimization/43191
3251 * tree-sra.c (type_consists_of_records_p): Reject records with
3252 zero-size bit-fields at the end.
3254 2010-03-04 Mike Stump <mikestump@comcast.net>
3256 * Makefile.in (TAGS): Remove *.y.
3258 2010-03-04 Richard Guenther <rguenther@suse.de>
3260 PR tree-optimization/40761
3261 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
3263 (my_rev_post_order_compute): New function.
3264 (init_pre): Call it.
3266 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
3269 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
3270 decrease the cost of an IV candidate when the cost is infinite.
3272 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3274 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
3275 Use '3DNow!' for the extension of that name, ensure normal space
3277 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3279 2010-03-03 Jeff Law <law@redhat.com>
3281 * PR middle-end/32693
3282 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
3283 than gen_rtx_SUBREG.
3284 (extract_bit_field_1): Likewise.
3286 2010-03-03 Janis Johnson <janis187@us.ibm.com>
3288 * doc/sourcebuild.texi (Test directives): Document that arguments
3289 include-opts and exclude-opts are now optional for dg-skip-if,
3290 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
3292 2010-03-03 Jason Merrill <jason@redhat.com>
3295 * cgraph.h (varpool_node): Add extra_name field.
3296 * varpool.c (varpool_extra_name_alias): New.
3297 (varpool_assemble_decl): Emit extra name aliases.
3298 (varpool_mark_needed_node): Look past an extra name alias.
3299 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
3300 * lto-streamer-in.c (lto_input_tree): Read it.
3301 * lto-streamer-out.c (output_unreferenced_globals): Write it.
3303 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
3305 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
3306 (sparc*-*-solaris2*): ...this.
3308 2010-03-03 Jakub Jelinek <jakub@redhat.com>
3311 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
3312 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
3313 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
3314 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
3317 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
3318 fallthrough to default handling, just with want_address 0 instead of 2.
3319 For single element lists, add_AT_loc directly, otherwise create an
3320 artificial variable DIE and stick location list to it.
3323 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
3324 (VAL_EXPR_HAS_REVERSE): Define.
3325 (reverse_op): New function.
3326 (add_stores): For reversible operations add an extra MO_VAL_USE.
3328 2010-03-02 Jason Merrill <jason@redhat.com>
3330 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
3332 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
3334 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
3335 (sparc64-*-linux*): Likewise.
3336 (sparc64-*-solaris2*): Include assembler files before linker ones.
3337 (sparc-*-solaris2*): Simplify and reorder to match previous case.
3338 * config/sparc/gas.h: Delete.
3339 * config/sparc/sol2-64.h: Add copyright notice.
3340 * config/sparc/sol2-gas-bi.h: Likewise.
3341 * config/sparc/sol2-gld.h: Likewise.
3342 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
3343 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
3344 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
3345 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
3346 (sparc_elf_asm_named_section): Rename into...
3347 (sparc_solaris_elf_asm_named_section): ...this. Always define.
3349 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
3351 * config/alpha/alpha.c (override_options): Fix -mtune error message.
3353 2010-03-02 Jeff Law <law@redhat.com>
3356 * reload1.c (rtx_p, substitute_stack): Declare.
3357 (substitute): Record addresses of changed rtxs.
3358 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
3359 Restore the original rtx when complete.
3360 (reload): Free subsitute_stack when complete.
3362 2010-03-02 Janis Johnson <janis187@us.ibm.com>
3364 * doc/gccint.texi (menu): Add Testsuites as a chapter.
3365 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
3367 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
3368 LTO Testing, gcov Testing, profopt Testing, compat Testing,
3369 Torture Tests): Change from subsection to section.
3371 2010-03-02 Jakub Jelinek <jakub@redhat.com>
3372 Steven Bosscher <steven@gcc.gnu.org>
3374 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
3377 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
3380 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
3381 the assignment from the new induction variable to the assignment
3382 of the value from the original loop PHI function.
3384 2010-03-01 Janis Johnson <janis187@us.ibm.com>
3385 Daniel Jacobowitz <dan@codesourcery.com>
3387 * doc/sourcebuild.texi (Test directives): Clarify options to
3390 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3392 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
3393 Disable cfi directives unless GCC and gas agree on using read-only
3394 .eh_frame sections for 64-bit.
3395 * configure: Regenerate.
3397 2010-03-01 Richard Guenther <rguenther@suse.de>
3399 PR tree-optimization/43220
3400 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
3401 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
3403 2010-03-01 Richard Guenther <rguenther@suse.de>
3404 Martin Jambor <mjambor@suse.cz>
3407 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
3408 gimplified parameters.
3410 2010-03-01 Christian Bruel <christian.bruel@st.com>
3412 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
3414 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
3416 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
3418 2010-03-01 Richard Guenther <rguenther@suse.de>
3421 * expr.c (expand_assignment): Use the alias-oracle to tell
3422 if the rhs aliases the result decl.
3424 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3427 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
3428 to sol_gt_pch_get_address.
3429 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
3430 64-bit, SPARC and x86.
3431 (sol_gt_pch_get_address): New function.
3433 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
3435 * toplev.h (inform_n, error_n): Declare.
3436 * diagnostic.c (inform_n, error_n): New function.
3438 2010-03-01 Jakub Jelinek <jakub@redhat.com>
3440 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
3441 has no rtl yet when processing local_decls, queue it and recheck
3442 if deferred stack allocation hasn't assigned it rtl.
3444 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
3446 * config/sh/sh.c (unspec_bbr_uid): New.
3447 (gen_block_redirect): Use it instead of INSN_UID.
3448 (gen_far_branch): Likewise.
3450 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
3452 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
3453 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
3455 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3457 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
3458 (Warning Options): -Wno-conversion-null is valid for
3459 Objective-C++ as well.
3460 * doc/tm.texi (Named Address Spaces): Likewise.
3461 * doc/plugins.texi (Plugins): Replace TABs with spaces.
3462 * doc/tree-ssa.texi (Tree SSA): Likewise.
3464 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
3467 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
3468 by default. Don't set the default arch for
3469 i[34567]86-*-darwin*|x86_64-*-darwin*.
3471 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
3474 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
3475 default. Set the default 32bit/64bit archs with $with_arch
3476 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
3478 2010-02-27 Richard Guenther <rguenther@suse.de>
3480 PR tree-optimization/43186
3481 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
3482 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
3483 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
3484 unroller iterations.
3486 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
3488 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
3489 required and i[34567]86-*-* targets don't support 64bit ISA.
3491 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
3494 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
3497 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
3499 * config.gcc: Set the default arch at least to Prescott for
3500 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
3501 if SSE math is enabled.
3503 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
3505 * diagnostic.c (diagnostic_initialize): Update.
3506 (diagnostic_report_diagnostic): Test inhibit_notes_p for
3508 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
3509 (diagnostic_inhibit_notes): New.
3510 * toplev.c (process_options): inhibit notes with -fcompare-debug.
3512 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
3515 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
3516 * doc/standards.texi: Likewise.
3517 * doc/extend.texi: Likewise.
3518 * doc/trouble.texi: Likewise.
3519 * doc/cppopts.texi: Likewise.
3520 * doc/install.texi: Likewise.
3521 * c.opt (std=c90,std=gnu90): New options.
3522 * c-opts.c (c_common_handle_option): Handle them.
3524 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
3527 * c-decl.c (undeclared_variable): Use an informative note.
3529 2010-02-26 Richard Guenther <rguenther@suse.de>
3531 PR tree-optimization/43186
3532 * gimple.h (gimple_fold): Remove.
3533 * gimple.c (gimple_fold): Remove. Inline into single user ...
3534 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
3535 Try harder for conditions.
3537 2010-02-26 Jakub Jelinek <jakub@redhat.com>
3540 * function.c (used_types_insert): Don't skip through named pointer
3541 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
3542 and it is different from the main variant's type.
3544 2010-02-26 Nick Clifton <nickc@redhat.com>
3546 * config/rx/rx.md (sminsi3): Remove bogus alternative.
3548 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
3550 * config.gcc: Support --with-fpmath=sse for x86.
3552 * config/i386/ssemath.h: New.
3554 * doc/install.texi (--with-fpmath=sse): Documented.
3556 2010-02-26 Richard Guenther <rguenther@suse.de>
3558 PR tree-optimization/43188
3559 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
3560 vector types of over-aligned element type.
3562 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
3565 * config/i386/i386.c (expand_vec_perm_blend): Use correct
3566 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
3568 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
3570 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
3572 2010-02-26 Jakub Jelinek <jakub@redhat.com>
3574 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
3575 * var-tracking.c: Include diagnostic.h.
3576 (debug_dv): New function.
3577 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
3580 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
3581 (add_value_chain, add_value_chains, remove_value_chain,
3582 remove_value_chains): Handle DEBUG_EXPRs.
3583 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
3586 * regcprop.c (struct queued_debug_insn_change): New type.
3587 (struct value_data_entry): Add debug_insn_changes field.
3588 (struct value_data): Add n_debug_insn_changes field.
3589 (debug_insn_changes_pool): New variable.
3590 (free_debug_insn_changes, apply_debug_insn_changes,
3591 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
3592 (kill_value_one_regno): Call free_debug_insn_changes if needed.
3593 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
3595 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
3597 (copyprop_hardreg_forward_1): Don't call apply_change_group for
3598 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
3599 changes, call cprop_find_used_regs via note_stores.
3600 (copyprop_hardreg_forward): When copying vd from predecessor
3601 which has any queued DEBUG_INSN changes, make sure the pointers are
3602 cleared. At the end call df_analyze and then if there are any
3603 DEBUG_INSN changes queued at the end of some basic block for still
3604 live registers, apply them.
3605 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
3607 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
3609 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
3612 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
3614 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
3615 targets. Set the default with_cpu/with_arch from arch/cpu.
3616 Allow x86-64 and native for with_cpu/with_arch.
3618 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
3620 * ebitmap.c: Change calls to verify_popcount with calls to
3621 sbitmap_verify_popcount.
3622 (ebitmap_clear_bit): Fixed map->cacheindex test and
3623 map>cache update when bit clearing results in an empty
3626 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
3629 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
3630 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
3631 and support both V2DF and V2DI modes.
3632 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
3633 support both V2DF and V2DI modes.
3634 (general): Delete trailing whitespace from a few patterns.
3636 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
3637 V2DF/V2DI interleave high/low builtins.
3639 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
3642 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
3643 interleave high/low functions.
3645 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
3647 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
3648 #pragma extern_prefix.
3650 2010-02-25 Jakub Jelinek <jakub@redhat.com>
3653 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
3654 BLKmode, assert op0 is a MEM and just adjust its mode.
3657 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
3658 if bitpos isn't multiple of mode's bitsize.
3660 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
3662 * c.opt (-ftemplate-depth=): New.
3663 (-ftemplate-depth-): Deprecate.
3664 * optc-gen.awk: Handle -ftemplate-depth=.
3665 * opth-gen.awk: Likewise.
3666 * c-opts.c (c_common_handle_option): Likewise.
3667 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
3669 2010-02-24 Jason Merrill <jason@redhat.com>
3671 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
3673 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3675 * cfg.c (alloc_aux_for_block): Remove inline.
3676 (alloc_aux_for_edge): Likewise.
3678 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3680 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
3682 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3684 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
3685 * config/i386/sol2-gas.h: New file.
3686 * config.gcc (i[34567]86-*-solaris2*): Use it.
3688 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
3691 * c-typeck.c (ep_convert_and_check): New.
3692 (build_conditional_expr): Use it.
3693 (build_binary_op): Likewise.
3695 2010-02-24 Jakub Jelinek <jakub@redhat.com>
3697 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
3700 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
3701 bounds even for -O+.
3702 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
3703 expr needs to have DECL_NAME set.
3705 2010-02-24 Nick Clifton <nickc@redhat.com>
3707 * config/mep/mep.c: Include gimple.h.
3708 (mep_function_uses_sp): Delete unused function.
3709 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
3710 parameters. Use unsigned integers to count args. Return a
3711 NULL_RTX instead of an error_mark_node. Toidy up formatting.
3713 2010-02-23 Jakub Jelinek <jakub@redhat.com>
3716 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
3717 greater or equal to nelt instead of 2 * nelt.
3718 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
3721 2010-02-23 Jason Merrill <jason@redhat.com>
3724 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
3725 in cfun->local_decls even if they have register types.
3728 * stor-layout.c (place_field): Don't warn about unnecessary
3729 DECL_PACKED if the type is packed.
3731 2010-02-23 Jakub Jelinek <jakub@redhat.com>
3734 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
3735 GOTOFF relocs, even when the base reg isn't pic pointer.
3737 2010-02-23 Michael Matz <matz@suse.de>
3740 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
3741 (expand_gimple_basic_block): Generate and use debug temps if there
3742 are debug uses left after the last real use of TERed ssa names.
3743 Unlink debug immediate uses when they are expanded.
3745 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
3748 * config/i386/i386.c (override_options): Reorganise to provide
3749 better error messages.
3751 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
3754 * graphite-scop-detection.c (create_single_exit_edge): Move
3755 the call to find_single_exit_edge to....
3756 (create_sese_edges): ...here. Don't handle multiple edges
3757 exiting the function.
3758 (build_graphite_scops): Don't handle multiple edges
3759 exiting the function.
3761 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
3764 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
3765 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
3767 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
3770 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
3772 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
3775 * c-typeck.c (convert_arguments): Print declaration location.
3776 * c-common.c (validate_nargs): Rename as
3777 builtin_function_validate_nargs.
3778 (check_builtin_function_arguments): Update.
3780 2010-02-22 Richard Guenther <rguenther@suse.de>
3783 * tree-inline.c (declare_return_variable): Use the type of
3784 the call stmt lhs if available.
3786 2010-02-22 Duncan Sands <baldrick@free.fr>
3788 * passes.c (register_pass): Always consider all pass lists when
3789 ref_pass_instance_number is zero.
3791 2010-02-22 Richard Guenther <rguenther@suse.de>
3793 PR tree-optimization/42749
3794 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
3795 parameter. Do arithmetic in the original type.
3796 (update_accumulator_with_ops): Likewise.
3797 (adjust_accumulator_values): Adjust.
3799 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3801 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
3802 (QI to BLKmode splitter): New splitter.
3804 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
3806 * config/i386/i386.c (initial_ix86_tune_features): Turn on
3807 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
3809 2010-02-22 Richard Guenther <rguenther@suse.de>
3811 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
3813 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
3815 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
3816 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
3817 ($(T)crti.o, $(T)crtn.o): Remove rules.
3819 2010-02-21 Tobias Burnus <burnus@net-b.de>
3822 * doc/invoke.texi (-fassociative-math): Document that this
3823 option is automatically enabled for Fortran.
3825 2010-02-20 David S. Miller <davem@davemloft.net>
3827 * configure.ac: Test if linker and assembler properly support
3828 GOTDATA_OP relocations.
3829 * configure: Rebuild.
3830 * config.in: Likewise.
3831 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
3832 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
3833 (movsi_high_pic): Likewise.
3834 (movdi_lo_sum_pic): Likewise.
3835 (movdi_high_pic): Likewise.
3836 (movsi_pic_gotdata_op): New pattern.
3837 (movdi_pic_gotdata_op): Likewise.
3838 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
3839 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
3841 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
3844 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
3845 attribute to ssemul.
3846 (xop_mulv2div2di3_high): Ditto.
3848 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
3851 * c.opt (Wconversion-null): New option.
3852 * doc/invoke.texi (Wconversion-null): Document.
3854 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
3856 * common.opt (Wlarger-than-): Add Undocumented.
3858 2010-02-19 Mike Stump <mikestump@comcast.net>
3860 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
3862 2010-02-19 Jason Merrill <jason@redhat.com>
3865 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
3866 * configure: Likewise.
3868 2010-02-20 Alan Modra <amodra@gmail.com>
3871 * cgraph.h (cgraph_make_decl_local): Declare.
3872 * cgraph.c (cgraph_make_decl_local): New function.
3873 (cgraph_make_node_local): Use it.
3874 * cgraphunit.c (cgraph_function_versioning): Likewise.
3875 * ipa.c (function_and_variable_visibility): Likewise.
3877 2010-02-19 Jakub Jelinek <jakub@redhat.com>
3880 * except.c (sjlj_emit_function_enter): Don't call
3881 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
3883 * rtl.h (add_reg_br_prob_note): Remove prototype.
3885 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
3888 * c-common.c (conversion_warning): Remove widening conversions
3889 before checking the conversion of integers to reals.
3891 2010-02-19 Mike Stump <mikestump@comcast.net>
3894 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
3897 * cgraphunit.c (process_function_and_variable_attributes): Check
3898 DECL_PRESERVE_P instead of looking up attribute "used".
3899 * ipa-pure-const.c (check_decl): Likewise.
3900 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
3901 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
3902 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
3903 instead of attribute "used".
3904 * config/sol2-c.c (solaris_pragma_init): Likewise.
3905 (solaris_pragma_fini): Likewise.
3907 2010-02-19 Jakub Jelinek <jakub@redhat.com>
3909 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
3910 Use XCNEW instead of xcalloc.
3911 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
3912 XNEW instead of xmalloc.
3913 (get_fields): Use XNEWVEC instead of xmalloc.
3916 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
3917 populate vars array.
3918 (create_new_general_access): For debug stmts just reset value.
3919 (get_stmt_accesses): For accesses within debug stmts just record them
3920 using add_access_to_acc_sites instead of preventing the peeling or
3921 counting them as accesses.
3924 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
3926 2010-02-19 Richard Guenther <rguenther@suse.de>
3928 PR tree-optimization/42916
3929 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
3932 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
3934 * configure.ac: Replace all uses of changequote in macro arguments
3935 with proper quoting.
3937 2010-02-19 Jakub Jelinek <jakub@redhat.com>
3940 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
3942 2010-02-19 Richard Guenther <rguenther@suse.de>
3944 PR tree-optimization/42944
3945 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
3946 test for aliasing with errno.
3948 2010-02-19 Jakub Jelinek <jakub@redhat.com>
3951 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
3952 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
3953 * dojump.c: Include output.h.
3954 (inv): New inline function.
3955 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
3956 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
3957 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
3958 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
3959 argument, pass it down to other calls.
3960 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
3961 add REG_BR_PROB note to the conditional jump.
3962 * cfgexpand.c (add_reg_br_prob_note): Removed.
3963 (expand_gimple_cond): Don't call it, add the probability
3964 as last argument to jumpif_1/jumpifnot_1.
3965 * Makefile.in (dojump.o): Depend on output.h.
3966 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
3968 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
3969 * stmt.c (do_jump_if_equal): Likewise.
3970 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
3971 * loop-unswitch.c (compare_and_jump_seq): Likewise.
3972 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
3974 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
3975 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
3976 jumpifnot_1 callers.
3977 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
3979 (store_expr): Adjust jumpifnot caller.
3980 (store_constructor): Adjust jumpif caller.
3983 * gimplify.c (gimple_boolify): For __builtin_expect call
3984 gimple_boolify also on its first argument.
3986 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
3988 * configure.ac (gnu-unique-object): Wrap regexps using [] in
3990 (__stack_chk_fail): Ditto. Remove quadrigraphs.
3991 * configure: Regenerated.
3993 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3995 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
3996 lang_hooks.types_compatible_p instead of comptypes.
3998 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
4000 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
4001 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
4002 if __prefer_thumb__ is defined.
4004 2010-02-18 Martin Jambor <mjambor@suse.cz>
4006 PR tree-optimization/43066
4007 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
4008 array with zero-sized element type.
4010 2010-02-18 Jakub Jelinek <jakub@redhat.com>
4012 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
4013 rtx, allocate struct var_loc_node here and return it to the
4014 caller, and only if it is actually needed.
4015 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
4016 move it earlier and return immediately if it returns NULL.
4018 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
4020 * config/sparc/gas.h: New file. Restore
4021 TARGET_ASM_NAMED_SECTION to its ELF default.
4022 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
4024 * config/sparc/sparc.c (sparc_elf_asm_named_section):
4025 Likewise. Add ATTRIBUTE_UNUSED to prototype.
4026 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
4027 after sparc/sysv4.h.
4029 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
4031 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
4033 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
4035 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
4036 patterns from predicated pattern.
4038 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
4041 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
4042 for insn mnemonic suffix.
4044 2010-02-17 Richard Guenther <rguenther@suse.de>
4046 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
4049 2010-02-17 Jakub Jelinek <jakub@redhat.com>
4052 * caller-save.c (save_call_clobbered_regs): If BB ends with
4053 a DEBUG_INSN, move any notes in between last real insn and the last
4054 DEBUG_INSN after the last DEBUG_INSN.
4056 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
4058 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
4059 Fix return type. Fix argument type. Explain meaning of return value.
4061 2010-02-16 Richard Guenther <rguenther@suse.de>
4063 PR tree-optimization/41043
4064 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
4065 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
4067 (vrp_visit_phi_node): ... but only for loop PHI nodes.
4069 2010-02-16 Ira Rosen <irar@il.ibm.com>
4071 PR tree-optimization/43074
4072 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
4073 * tree-vect-loop.c (vect_analyze_loop_operations): Add
4074 vectorizable cycles in hybrid SLP check.
4075 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
4077 2010-02-16 Richard Guenther <rguenther@suse.de>
4079 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
4080 (true_dependence): If memrefs_conflict_p computes must-alias
4081 trust it. Move TBAA check after offset-based disambiguation.
4082 (canon_true_dependence): Likewise.
4084 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
4086 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
4087 * doc/invoke.texi: Document it.
4088 * var-tracking.c: Include toplev.h and params.h.
4089 (vt_find_locations): Return bool indicating success. Compute
4090 hash sizes unconditionally. Check new parameter, report.
4091 (variable_tracking_main_1): Check vt_find_locations results and
4092 retry. Renamed from...
4093 (variable_tracking_main): ... this. New wrapper to preserve
4094 flag_var_tracking_assignments.
4095 * Makefile.in (var-tracking.o): Adjust dependencies.
4097 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
4098 Jakub Jelinek <jakub@redhat.com>
4101 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
4102 if weak_import attribute is present.
4103 * config/darwin.c (machopic_select_section): Likewise.
4105 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
4107 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
4108 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
4109 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
4110 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
4112 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument types.
4114 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
4117 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
4118 Rewrite text to refer to the names.
4120 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
4122 * config/i386/i386-builtin-types.def
4123 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
4124 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
4125 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
4126 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
4127 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
4128 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
4129 IX86_BUILTIN_VPERMIL2PS256.
4130 (MULTI_ARG_4_DF2_DI_I): Defined.
4131 (MULTI_ARG_4_DF2_DI_I1): Defined.
4132 (MULTI_ARG_4_SF2_SI_I): Defined.
4133 (MULTI_ARG_4_SF2_SI_I1): Defined.
4134 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
4135 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
4136 __builtin_ia32_vpermil2ps256.
4137 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
4138 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
4139 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
4140 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
4141 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
4142 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
4143 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
4144 CODE_FOR_xop_vpermil2v8sf3.
4145 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
4146 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
4147 * config/i386/xopintrin.h (_mm_permute2_pd): New.
4148 (_mm256_permute2_pd): New.
4149 (_mm_permute2_ps): New.
4150 (_mm256_permute2_ps): New.
4152 2010-02-15 Nick Clifton <nickc@redhat.com>
4154 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
4155 boolean parameters. Use emit_jump_insn when emitting a pop
4156 instruction containing a return insn.
4157 (push): Use 'true' rather than '1' as second parameter to F.
4158 (h8300_expand_prologue): Likewise.
4159 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
4160 (h8300_expand_epilogue): Likewise.
4162 2010-02-15 Richard Guenther <rguenther@suse.de>
4165 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
4168 2010-02-15 Nick Clifton <nickc@redhat.com>
4170 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
4173 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
4175 * intl.c (fake_ngettext): New function.
4176 * intl.h (fake_ngettext): Declare.
4177 (ngettext): Define macro.
4178 * collect2.c (notice_translated): New function.
4179 (main): Use notice_translated and ngettext.
4180 * collect2.h (notice_translated): Declare.
4182 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
4184 * reorg.c (delete_computation): Comment fixes.
4185 * caller-save.c (setup_save_areas): Idem.
4186 * sel-sched-dump.c (dump_lv_set): Idem.
4189 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4191 * config/s390/s390.c (s390_sched_init): New function.
4192 (TARGET_SCHED_INIT): Target hook defined.
4194 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
4195 Jack Howarth <howarth@bromo.med.uc.edu>
4196 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
4199 Partial revert of unintended change in fix for PR41605.
4200 * config/darwin.h: Fix typo.
4201 * config/darwin9.h: Same.
4203 2010-02-11 Jakub Jelinek <jakub@redhat.com>
4205 * c-pch.c (pch_init): Clear v.
4207 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4210 * graphite-scop-detection.c (graphite_can_represent_scev): Call
4211 graphite_can_represent_init for MULT_EXPR.
4213 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4217 * graphite-sese-to-poly.c (remove_phi): New.
4218 (translate_scalar_reduction_to_array): Call remove_phi.
4220 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4223 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
4224 * graphite-clast-to-gimple.h (gloog): Update declaration.
4225 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
4226 * graphite-poly.h (struct poly_bb): Add missing comments.
4227 (struct scop): Add poly_scop_p field.
4229 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
4230 * graphite.c (graphite_transform_loops): Build the polyhedral
4231 representation for each scop before code generation.
4232 * sese.c (rename_variables_in_operand): Removed.
4233 (rename_variables_in_expr): Return the renamed expression.
4234 (rename_sese_parameters): New.
4235 * sese.h (rename_sese_parameters): Declared.
4237 2010-02-11 Richard Guenther <rguenther@suse.de>
4239 PR tree-optimization/42998
4240 * tree-ssa-pre.c (create_expression_by_pieces): Treat
4241 POINTER_PLUS_EXPR properly.
4243 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4244 Changpeng Fang <changpeng.fang@amd.com>
4247 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
4248 the cost of an IV candidate when the IV is used in a test against zero.
4250 * gcc.dg/tree-ssa/ivopts-3.c: New.
4252 2010-02-11 Richard Guenther <rguenther@suse.de>
4255 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
4256 pointer-vs-decl case by swapping refs. Handle some cases
4257 of pointer-vs-decl disambiguations more conservatively.
4258 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
4259 to false after expanding.
4261 2010-02-11 Richard Guenther <rguenther@suse.de>
4264 * gcc.c (process_command): Handle LTO file@offset case more
4267 2010-02-11 Jakub Jelinek <jakub@redhat.com>
4269 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
4270 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
4272 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
4274 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
4275 if MEM's mode size isn't DWARF2_ADDR_SIZE.
4276 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
4277 Optimize eq/ne comparisons when both arguments are known to be
4279 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
4280 Don't mask operands unnecessarily if they are known to be already
4283 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
4285 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
4288 2010-02-10 Richard Guenther <rguenther@suse.de>
4290 PR tree-optimization/43017
4291 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
4292 for wrapping signed arithmetic.
4294 2010-02-10 Jakub Jelinek <jakub@redhat.com>
4297 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
4298 if no debug info should be emitted for it.
4300 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
4302 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
4303 note when flag_exceptions is set.
4305 2010-02-10 Duncan Sands <baldrick@free.fr>
4307 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
4309 2010-02-10 Richard Guenther <rguenther@suse.de>
4312 * tree.c (get_unwidened): Handle constants.
4313 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
4315 2010-02-10 Martin Jambor <mjambor@suse.cz>
4318 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
4319 check for variable argument counts independently.
4321 2010-02-10 Christian Bruel <christian.bruel@st.com>
4324 * config/sh/sh.c (find_barrier): Increase length for non delayed
4325 conditional branches.
4327 2010-02-10 Christian Bruel <christian.bruel@st.com>
4329 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
4331 2010-02-10 Jakub Jelinek <jakub@redhat.com>
4333 * builtins.c (set_builtin_user_assembler_name): Also handle
4334 ffs if int is smaller than word.
4336 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
4339 * ira-conflicts.c (get_dup): Remove.
4340 (process_reg_shuffles): Add new parameter. Use it as an
4341 additional guard for copy generation.
4342 (add_insn_allocno_copies): Rewrite.
4344 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
4346 * common.opt (fsched2-use-traces): Preserved for backward
4348 * doc/invoke.texi: Remove the documentation about option
4349 -fsched2-use-traces.
4350 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
4351 flag_sched2_use_traces.
4352 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
4353 the backward compatibility flag section.
4355 2010-02-09 Richard Guenther <rguenther@suse.de>
4357 PR tree-optimization/43008
4358 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
4359 make HEAP variables initialized from global memory if they
4360 are not known builtin functions.
4361 (find_func_aliases): Adjust.
4363 2010-02-09 Richard Guenther <rguenther@suse.de>
4365 PR tree-optimization/43000
4366 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
4367 arithmetic manually.
4369 2010-02-08 Jakub Jelinek <jakub@redhat.com>
4371 PR tree-optimization/42931
4372 * tree-loop-linear.c (try_interchange_loops): Don't call
4373 double_int_mul if estimated_loop_iterations failed.
4375 2010-02-08 Martin Jambor <mjambor@suse.cz>
4378 * tree-sra.c (build_accesses_from_assign): Do not mark in
4379 should_scalarize_away_bitmap if stmt has volatile ops.
4380 (sra_modify_assign): Do not process assigns piecemeal if if stmt
4383 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
4385 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
4387 2010-02-07 Adam Nemet <adambnmet@gmail.com>
4389 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
4392 2010-02-07 Andrew Pinski <pinskia@gmail.com>
4395 * df-core.c (df_finish_pass): Change type of saved_flags to int.
4397 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
4400 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
4401 to unknown_dependence.
4402 (graphite_legal_transform_dr): Handle the unknown_dependence.
4403 (graphite_carried_dependence_level_k): Same.
4405 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
4407 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
4409 2010-02-07 Richard Guenther <rguenther@suse.de>
4412 * expr.c (get_inner_reference): Always initialize *pbitsize.
4414 2010-02-07 Richard Guenther <rguenther@suse.de>
4417 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
4418 new ARRAY_REFs on variable size element or minimal index arrays.
4420 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
4421 gimple_fold_indirect_ref.
4423 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
4426 * arm.c (arm_override_options): Just return if the user has specified
4427 an invalid fpu name.
4429 2010-02-03 Jason Merrill <jason@redhat.com>
4432 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
4433 i386_pe_maybe_record_exported_symbol.
4435 2010-02-05 Steve Ellcey <sje@cup.hp.com>
4438 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
4439 (pa_delegitimize_address): New function.
4441 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
4443 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
4444 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
4446 2010-02-05 Richard Guenther <rguenther@suse.de>
4449 * lto-streamer-in.c (get_resolution): Deal with references
4450 to undefined functions.
4452 2010-02-05 Richard Guenther <rguenther@suse.de>
4454 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
4455 (fold_const_aggregate_ref): Likewise.
4456 (ccp_fold_stmt): Substitute loads.
4457 (maybe_fold_reference): Verify types before substituting.
4459 (fold_gimple_assign): Unshare properly.
4460 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
4462 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
4464 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
4465 for rs6000_gen_cell_microcode.
4467 2010-02-04 Richard Guenther <rguenther@suse.de>
4469 PR rtl-optimization/42952
4470 * dse.c (const_or_frame_p): Remove MEM handling.
4472 2010-02-04 Nick Clifton <nickc@redhat.com>
4474 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
4475 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
4476 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
4477 (mn10300_asm_output_mi_thunk): New function.
4478 (mn10300_can_output_mu_thunk): New function.
4479 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
4480 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
4481 (FUNCTION_ARG): Delete incorrect comment.
4483 2010-02-03 Jason Merrill <jason@redhat.com>
4486 * fold-const.c (operand_equal_p): Handle erroneous types.
4488 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
4490 * config/h8300/h8300.md (can_delay): Fix attibute condition.
4492 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
4494 PR rtl-optimization/42941
4495 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
4498 2010-02-03 Jason Merrill <jason@redhat.com>
4501 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
4503 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
4506 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
4507 (cselib_reset_table): Renamed from...
4508 (cselib_reset_table_with_next_value): ... this.
4509 (cselib_get_next_uid): Renamed from...
4510 (cselib_get_next_unknown_value): ... this.
4511 * cselib.c (next_uid): Renamed from...
4512 (next_unknown_value): ... this.
4513 (cselib_clear_table): Adjust.
4514 (cselib_reset_table): Adjust. Renamed from...
4515 (cselib_reset_table_with_next_value): ... this.
4516 (cselib_get_next_uid): Adjust. Renamed from...
4517 (cselib_get_next_unknown_value): ... this.
4518 (get_value_hash): Use hash.
4519 (cselib_hash_rtx): Likewise.
4520 (new_cselib_val): Adjust. Set and dump uid.
4521 (cselib_lookup_mem): Pass next_uid as hash.
4522 (cselib_subst_to_values): Likewise.
4523 (cselib_log_lookup): Dump uid.
4524 (cselib_lookup): Pass next_uid as hash. Adjust.
4525 (cselib_process_insn): Adjust.
4526 (cselib_init): Initialize next_uid.
4527 (cselib_finish): Adjust.
4528 (dump_cselib_table): Likewise.
4529 * dse.c (canon_address): Dump value uid.
4530 * print-rtl.c (print_rtx): Print value uid.
4531 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
4533 (dv_uid): New function, sort of renamed from...
4534 (dv_htab_hash): ... this, reimplemented in terms of it and...
4535 (dv_uid2hash): ... this. New.
4536 (variable_htab_eq): Drop excess assertions.
4537 (tie_break_pointers): Removed.
4538 (canon_value_cmp): Compare uids.
4539 (variable_post_merge_New_vals): Print uids.
4540 (vt_add_function_parameters): Adjust.
4541 (vt_initialize): Reset table. Adjust.
4543 2010-02-03 Richard Guenther <rguenther@suse.de>
4545 PR tree-optimization/42944
4546 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
4547 (call_may_clobber_ref_p_1): Likewise. Properly handle
4548 malloc and calloc clobbering errno.
4550 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
4552 * doc/invoke.texi: Fix name of sched1 dump.
4554 * opts.c (decode_options): Set flag_tree_switch_conversion
4555 only conditionally on optimize >= 2.
4557 * gcse.c: Assorted comment fixes in pass description.
4559 2010-02-03 Anthony Green <green@moxielogic.com>
4561 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
4562 nop padding in order to maintain alignment of storage location of
4563 target function address.
4564 (moxie_trampoline_init): Store target function address at newly
4566 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
4568 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
4570 2010-02-03 Richard Guenther <rguenther@suse.de>
4573 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
4575 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4577 * config.gcc: Reenable check for obsolete targets.
4578 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
4579 mips-sgi-irix6.[0-4]*.
4581 2010-02-02 Nick Clifton <nickc@redhat.com>
4583 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
4584 constant size of 4 as being the same as 0.
4585 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
4586 can take values in the range 0..4.
4588 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
4591 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
4592 as _darwin10_Unwind_FindEnclosingFunction().
4593 * libgcc-libsystem.ver: New.
4595 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
4598 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
4599 implicitly set registers.
4601 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
4603 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
4604 (arm_override_options): Allow automatic selection of the thread
4605 pointer register if thumb2.
4606 (legitimize_pic_address): Improve code sequences for Thumb2.
4607 (arm_call_tls_get_addr): Likewise.
4608 (legitimize_tls_address): Likewise.
4609 * arm.md (pic_load_addr_arm): Delete. Replace with ...
4610 (pic_load_addr_32bit): ... this. New named pattern.
4611 * thumb2.md (pic_load_addr_thumb2): Delete.
4612 (pic_load_dot_plus_four): Delete.
4613 (tls_load_dot_plus_four): New named pattern.
4615 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4618 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
4619 Document fix for TLS bug.
4621 2010-01-31 Richard Guenther <rguenther@suse.de>
4623 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
4624 conservatively correct.
4626 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4630 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4632 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
4634 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4636 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
4638 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
4640 * config.gcc: Adjust order of makefile fragments for mingw targets.
4642 2010-01-31 Richard Guenther <rguenther@suse.de>
4645 * gimplify.c (gimplify_init_constructor): For volatile LHS
4646 initialize a temporary.
4648 2010-01-31 Matthias Klose <doko@ubuntu.com>
4650 * configure.ac: Fix __stack_chk_fail check for cross builds configured
4652 * configure: Regenerate.
4654 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
4656 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
4657 the same alias set and their sizes different constantness.
4658 (aliasing_component_refs_p): Revert 2009-10-24 change.
4660 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4662 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
4665 2010-01-29 Richard Guenther <rguenther@suse.de>
4667 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
4668 Assert we successfully updated the call.
4670 2010-01-29 Jakub Jelinek <jakub@redhat.com>
4672 PR rtl-optimization/42889
4673 * df.h (df_set_bb_dirty_nonlr): New prototype.
4674 * df-core.c (df_set_bb_dirty_nonlr): New function.
4675 * df-scan.c (df_insn_rescan): Call it instead of
4676 df_set_bb_dirty for DEBUG_INSNs.
4678 2010-01-29 Richard Guenther <rguenther@suse.de>
4681 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
4682 quadratic behavior in most cases.
4684 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
4687 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
4688 in the call to gen_x86_movsicc_0_m1.
4690 2010-01-28 Richard Guenther <rguenther@suse.de>
4692 PR tree-optimization/42871
4693 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
4695 2010-01-28 Richard Guenther <rguenther@suse.de>
4697 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
4698 into call arguments.
4700 2010-01-28 Richard Guenther <rguenther@suse.de>
4703 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
4704 the forwarder if the destination is an EH landing pad.
4706 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
4708 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
4709 block list passed to gimple_duplicate_sese_tail.
4710 (parallelize_loops): Avoid parallelization when the function
4712 Avoid parallelization when the preheader is IRREDUCIBLE.
4713 Try to optimize when estimated_loop_iterations_int is unresolved.
4714 Add the loop's location to the dump file.
4715 * tree-cfg.c (add_phi_args_after_redirect): Remove.
4716 (gimple_duplicate_sese_tail): Remove the check for the latch.
4717 Redirect nexits to the exit block.
4718 Remove handling of the incoming edges to the latch.
4719 Redirect the backedge from the copied latch to the exit bb.
4721 2010-01-28 Michael Matz <matz@suse.de>
4724 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
4725 Wrap force_reg into a sequence, emit it before user.
4727 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
4729 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
4731 (arm_legacy_rev): Likewise.
4732 (thumb_legacy_rev): Likewise.
4734 2010-01-27 Jakub Jelinek <jakub@redhat.com>
4736 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
4737 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
4738 on MEM's address failed, try avoid_constant_pool_reference and
4739 recurse if it returned something different.
4740 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
4741 address, try avoid_constant_pool_reference and recurse if it
4742 returned something different.
4743 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
4744 address and avoid_constant_pool_reference returned something
4745 different, don't set have_address.
4747 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
4750 * var-tracking.c (val_store): Add modified argument, obey it.
4752 (count_uses): Move down logging of main.
4753 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
4754 don't need resolution.
4755 (emit_notes_in_bb): Likewise.
4757 2010-01-27 Richard Guenther <rguenther@suse.de>
4760 * tree-inline.c (remap_decl): Delay remapping of SSA name
4761 default definitions until we need them.
4763 2010-01-27 Jakub Jelinek <jakub@redhat.com>
4765 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
4766 (rs6000_delegitimize_address): New function.
4768 * config/s390/s390.c (s390_delegitimize_address): Call
4769 delegitimize_mem_from_attrs.
4772 * tree-inline.c (cannot_copy_type_1): Removed.
4773 (copy_forbidden): Don't forbid copying of functions containing
4774 records/unions with variable length fields.
4776 2010-01-27 Christian Bruel <christian.bruel@st.com>
4780 * config/sh/sh.c (find_barrier): Increase length for non delayed
4781 conditional branches.
4783 2010-01-27 Matthias Klose <doko@ubuntu.com>
4785 * configure.ac (gnu-unique-object): Fix ldd version check.
4786 * configure: Regenerate.
4788 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4790 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
4792 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
4793 Test for HAVE_GNU_AS value.
4795 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4797 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
4798 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
4799 INT64_TYPE): Define.
4800 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
4801 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
4802 INT_LEAST64_TYPE): Define.
4803 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
4804 UINT_LEAST64_TYPE): Define.
4805 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
4806 INT_FAST64_TYPE): Define.
4807 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
4808 UINT_FAST64_TYPE): Define.
4809 (INTMAX_TYPE, UINTMAX_TYPE): Define.
4810 (INTPTR_TYPE, UINTPTR_TYPE): Define.
4811 (SIG_ATOMIC_TYPE): Define.
4813 2010-01-26 Richard Guenther <rguenther@suse.de>
4815 * df-scan.c (df_scan_set_bb_info): Remove assert.
4816 (df_insn_rescan_debug_internal): Merge asserts.
4817 (df_install_ref): Likewise.
4818 (df_mark_reg): Use bitmap_set_range.
4819 (df_hard_reg_used_p): Remove assert.
4820 (df_hard_reg_used_count): Likewise.
4822 2010-01-26 Richard Guenther <rguenther@suse.de>
4824 PR rtl-optimization/42685
4825 * web.c (web_main): Ignore DEBUG_INSNs.
4827 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
4829 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
4831 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
4832 Fix types of fndecl and arglist parameters.
4834 2010-01-26 Richard Guenther <rguenther@suse.de>
4837 * tree-eh.c (unsplit_eh): Skip debug insns.
4839 2010-01-26 Richard Guenther <rguenther@suse.de>
4841 PR tree-optimization/42250
4842 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
4844 2010-01-26 Jakub Jelinek <jakub@redhat.com>
4847 * omp-low.c (expand_omp_sections): Only use single_pred if
4848 l2_bb is single_pred_p.
4850 2010-01-25 Christian Bruel <christian.bruel@st.com>
4853 * config/sh/sh.c (find_barrier): Increase length for non delayed
4854 conditional branches.
4855 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
4857 2010-01-24 David S. Miller <davem@davemloft.net>
4859 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
4860 define if not using GAS.
4861 * config/sparc/sparc.c (sparc_elf_asm_named_section):
4862 Likewise. Delete SECTION_MERGE code, which is only applicable
4865 2010-01-24 Mark Mitchell <mark@codesourcery.com>
4868 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
4869 mangling of va_list in system headers.
4871 2010-01-23 Toon Moene <toon@moene.org>
4873 * tree-predcom.c (combine_chains): Return NULL, not false.
4875 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
4877 * tree-loop-distribution.c (distribute_loop): Fix declaration and
4878 initialization of variable res to agree with return type.
4880 2010-01-22 Steve Ellcey <sje@cup.hp.com>
4882 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
4883 * tree-sra.c: Add include of expr.h.
4885 2010-01-22 Jakub Jelinek <jakub@redhat.com>
4887 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
4888 insert the debug stmt on the single non-EH edge from the stmt.
4890 2010-01-22 Richard Henderson <rth@redhat.com>
4893 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
4894 the RHS until after generate_subtree_copies has insertted its
4895 code before the current statement.
4897 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
4899 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
4901 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
4903 2010-01-21 Martin Jambor <mjambor@suse.cz>
4905 PR tree-optimization/42585
4906 * tree-sra.c (struct access): New field grp_total_scalarization.
4907 (dump_access): Dump the new field.
4908 (should_scalarize_away_bitmap): New variable.
4909 (cannot_scalarize_away_bitmap): Likewise.
4910 (sra_initialize): Allocate new bitmaps.
4911 (sra_deinitialize): Free new bitmaps.
4912 (create_access_1): New function.
4913 (create_access): Parts moved to create_access_1.
4914 (type_consists_of_records_p): New function.
4915 (completely_scalarize_record): Likewise.
4916 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
4917 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
4918 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
4920 (analyze_all_variable_accesses): Completely scalarize small eligible
4923 2010-01-21 Martin Jambor <mjambor@suse.cz>
4925 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
4927 2010-01-21 Andrew Haley <aph@redhat.com>
4929 * gcc.c (process_command): Move lang_specific_driver before
4930 setting cc_libexec_prefix.
4932 2010-01-21 Richard Guenther <rguenther@suse.de>
4935 * fold-const.c (negate_expr_p): Pretend only negative
4936 real constants are easily negatable.
4938 2010-01-20 Janis Johnson <janis187@us.ibm.com>
4939 Jason Merrill <jason@redhat.com>
4941 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
4942 (TYPE_TRANSPARENT_AGGR): this, for union and record.
4943 * calls.c (initialize argument_information): Handle it.
4944 * c-common.c (handle_transparent_union_attribute): Use new name.
4945 * c-decl.c (finish_struct): Ditto.
4946 * c-typeck.c (type_lists_compatible_p): Ditto.
4947 (convert_for_assignment): Use new name and also handle record.
4948 * function.c (aggregate_value_p): Handle it.
4949 (pass_by_reference): Ditto.
4950 (assign_parm_data_types): Ditto.
4951 * print-tree.c (print_node): Ditto.
4952 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
4953 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
4954 * tree.c (first_field): New fn.
4956 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
4959 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
4960 even when linking statically, for now.
4962 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
4965 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
4966 without a cselib val.
4967 (count_uses): Accept MO_VAL_SET with no val on stores.
4968 (add_stores): Likewise.
4970 2010-01-20 Jakub Jelinek <jakub@redhat.com>
4972 * var-tracking.c (check_value_val): Add a compile time assertion.
4973 (dv_is_decl_p): Simplify.
4974 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
4975 gcc_assert if ENABLE_CHECKING.
4977 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
4980 * var-tracking.c: Include tree-flow.h.
4981 (mem_dies_at_call): New.
4982 (dataflow_set_preserve_mem_locs): Use it.
4983 (dataflow_set_remove_mem_locs): Likewise.
4984 (dump_var): Renamed from dump_variable. Adjust all callers.
4985 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
4986 * Makefile.in (var-tracking.o): Adjust deps.
4988 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
4990 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
4992 2010-01-20 Richard Guenther <rguenther@suse.de>
4994 PR tree-optimization/42717
4995 * tree-ssa-dce.c (get_live_post_dom): Remove.
4996 (forward_edge_to_pdom): Take an arbitrary edge to copy
4997 degenerate PHI args from.
4998 (remove_dead_stmt): Use the first post-dominator even if it
4999 does not contain live statements as redirection destination.
5001 2010-01-20 Richard Guenther <rguenther@suse.de>
5003 * tree-inline.c (estimate_num_insns): Handle EH builtins.
5005 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5007 * sel-sched.c (create_speculation_check): Remove set but not used
5009 (try_transformation_cache): Remove set but not used variable ds.
5010 (calculate_privileged_insns): Remove set but not used variables
5011 cur_insn and min_spec_insn.
5012 (find_best_expr): Remove set but not used variable avail_n.
5013 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
5015 * cgraphunit.c (assemble_thunk): Remove set but not used variable
5017 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
5018 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
5021 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
5024 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
5025 cpu types. Add support for *-sse3 cpu types.
5026 (x86_64-*-*): Ditto.
5028 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5031 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
5032 argument, call initializer_constant_valid_p_1 instead of
5033 initializer_constant_valid_p, pass CACHE to it, return NULL
5034 immediately if first call returns NULL.
5035 (initializer_constant_valid_p_1): New function.
5036 (initializer_constant_valid_p): Use it.
5038 2010-01-20 Thomas Quinot <quinot@adacore.com>
5040 * tree.def (PLACEHOLDER_EXPR): Fix comment.
5042 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5044 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
5045 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
5046 (loc_list_from_tree): Don't handle unsigned division. Handle
5047 signed modulo using DW_OP_{over,over,div,mul,minus}.
5048 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
5049 modulo instead of signed.
5051 2010-01-20 DJ Delorie <dj@redhat.com>
5053 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
5055 (h8300_emit_stack_adjustment): Propogate it.
5057 (h8300_expand_prologue): Likewise.
5058 (h8300_expand_epilogue): Likewise.
5060 2010-01-19 Michael Matz <matz@suse.de>
5062 PR tree-optimization/41783
5063 * tree-data-ref.c (toplevel): Include flags.h.
5064 (dump_data_dependence_relation): Also dump the inputs if the
5065 result will be unknown.
5066 (split_constant_offset_1): Look through some conversions.
5067 * tree-predcom.c (determine_roots_comp): Restart a new chain if
5068 the offset from last element is too large.
5069 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
5070 (reassociate_to_the_same_stmt): Handle vector registers.
5071 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
5073 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
5074 wide_prolog_niters argument, emit widening instructions.
5075 (vect_do_peeling_for_alignment): Adjust caller, use widened
5076 variant of the iteration cound.
5077 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
5079 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5082 * config/arm/neon-testgen.m (emit_automatics): New parameter
5083 features. Adjust for Fixed_return_reg feature.
5084 (test_intrinsic): Call emit_automatics with new feature.
5085 * config/arm/neon.ml: Update copyright years.
5086 (features): New Fixed_return_reg feature.
5087 (ops): Update feature for Vget_low.
5089 2010-01-19 Jakub Jelinek <jakub@redhat.com>
5091 PR tree-optimization/42719
5092 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
5096 * fwprop.c (all_uses_available_at): Return false if def_set dest
5097 is a REG that is used in def_insn.
5099 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
5101 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
5103 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
5106 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
5108 * target.h (struct gcc_target) <secondary_reload>: Change type
5109 of last argument to secondary_reload_info *.
5111 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
5114 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
5115 memory references with unaligned offsets. Remove CQImode handling.
5116 (unaligned_memory_operand): Return 1 for memory references with
5117 unaligned offsets. Remove CQImode handling.
5119 2010-01-18 Richard Guenther <rguenther@suse.de>
5122 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
5125 2010-01-18 Richard Guenther <rguenther@suse.de>
5127 PR tree-optimization/42781
5128 * tree-ssa-structalias.c (find_what_var_points_to): Skip
5129 restrict processing only if the original variable was artificial.
5131 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
5133 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
5134 find number of popped argument bytes.
5136 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
5137 Fix the text that describes the return value for invalid insns.
5139 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
5141 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
5142 Clarify what 'cost of the -dependence' is. Fix quoting.
5144 * toplev.c (default_get_pch_validity): Rename argument to "sz".
5145 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
5147 2010-01-17 Jakub Jelinek <jakub@redhat.com>
5149 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
5150 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
5152 2010-01-17 Richard Guenther <rguenther@suse.de>
5155 * function.c (split_complex_args): Take a VEC to modify.
5156 (assign_parms_augmented_arg_list): Build a VEC instead of
5157 a chain of PARM_DECLs.
5158 (assign_parms_unsplit_complex): Take a VEC of arguments.
5159 Do not fixup unmodified parms.
5160 (assign_parms): Deal with the VEC.
5161 (gimplify_parameters): Likewise.
5163 2010-01-17 Richard Guenther <rguenther@suse.de>
5165 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
5166 node existence check.
5167 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
5168 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
5169 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
5170 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
5171 (gimple_execute_on_growing_pred): Likewise.
5173 2010-01-17 Richard Guenther <rguenther@suse.de>
5175 PR tree-optimization/42773
5176 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
5177 (compute_antic_aux): Likewise.
5178 (compute_partial_antic_aux): Likewise.
5180 2010-01-17 Jie Zhang <jie.zhang@analog.com>
5183 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
5186 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
5188 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
5191 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
5192 Fix markup for strict argument.
5194 (TARGET_SCHED_REORDER2): Fix argument types.
5196 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
5197 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
5199 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
5200 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
5202 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
5205 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
5206 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
5207 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
5208 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
5209 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
5211 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
5213 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
5215 (TARGET_ASM_RELOC_RW_MASK): Add return type.
5216 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
5218 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
5220 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
5223 (TARGET_ASM_NAMED_SECTION): Fix argument list.
5225 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
5226 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
5228 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
5230 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
5232 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
5233 referring to it. Fix language.
5235 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
5237 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
5239 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
5241 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
5243 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
5244 '@var{stream}. Remove stray 'and'.
5246 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
5248 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
5250 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
5252 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
5253 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
5255 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
5256 Fix description of return value.
5257 Rename argument "sz" to "len."
5259 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
5260 Clarify meaning of 'true' return value.
5262 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
5264 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
5265 rep_mode versus mode_rep.
5267 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
5269 (TARGET_BUILTIN_DECL): Fix name.
5271 (TARGET_COMMUTATIVE_P): Fix type of first argument.
5273 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
5275 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
5277 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
5279 (TARGET_RELAXED_ORDERING): Use @deftypevr.
5281 (TARGET_GET_DRAP_RTX): Note that this is a hook.
5284 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
5285 Rename argument tm_fn to md_fn.
5287 (TARGET_OPTION_PRINT): Fix argument list.
5289 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
5292 * config/i386/i386.c (ix86_fixup_binary_operands):
5293 Revert FMA4 fixup of operands.
5295 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5298 * Makefile.in (write_entries_to_file, install-plugin):
5299 Use \012 instead of \n with tr.
5301 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
5303 * configure.ac (HAVE_AS_REF): New C macro.
5304 * configure: Regenerate.
5305 * config.in: Likewise.
5306 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
5308 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
5311 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
5313 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
5315 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
5317 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
5319 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
5321 (TARGET_IN_SMALL_DATA_P): Fix argument type.
5323 (TARGET_BINDS_LOCAL_P): Fix argument type.
5325 (TARGET_ASM_FILE_END): Use prototype.
5327 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
5329 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
5331 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
5333 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
5335 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
5336 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
5338 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
5339 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
5341 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
5342 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
5343 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
5344 (TARGET_ADDR_SPACE_CONVERT): Likewise.
5346 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
5348 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
5350 (TARGET_INIT_BUILTINS): Use prototype.
5352 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
5353 Put 'const char *' in braces. Fix parameter types.
5354 (TARGET_INVALID_CONVERSION): Fix parameter types.
5355 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
5356 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
5358 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
5361 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
5363 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
5365 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
5367 * doc/tm.texi (TARGET_HELP): Fix return type.
5369 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
5370 in braces. Fix argument types.
5372 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
5374 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
5376 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
5378 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
5379 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
5381 (TARGET_MANGLE_TYPE): Fix argument types.
5383 (TARGET_IRA_COVER_CLASSES): Use prototype.
5385 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
5387 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
5389 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
5391 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
5393 (TARGET_CALLEE_COPIES): Fix argument types.
5395 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
5397 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
5399 (TARGET_FUNCTION_VALUE): Fix argument types.
5401 (TARGET_RETURN_IN_MSB): Fix argument type.
5403 (TARGET_RETURN_IN_MEMORY): Fix argument types.
5405 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
5407 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
5409 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
5410 agree with return type.
5412 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
5414 2010-01-15 Jing Yu <jingyu@google.com>
5416 PR rtl-optimization/42691
5417 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
5418 a pseudo to a constant and are merged, and adjust comments.
5420 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
5422 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
5424 2010-01-15 Richard Guenther <rguenther@suse.de>
5427 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
5428 labels of computed or non-local gotos to the destination.
5429 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
5430 landing pad label is the first label.
5432 2010-01-15 Richard Guenther <rguenther@suse.de>
5434 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
5436 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
5439 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
5440 to allow generation of the xssqrtdp instruction on power7.
5441 (sqrtdf2_fpr): Ditto.
5443 2010-01-14 Jakub Jelinek <jakub@redhat.com>
5446 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
5447 functions with noreturn attribute.
5450 * varasm.c (declare_weak): Add weak attribute to decl if it
5451 doesn't have one already.
5452 (assemble_external): Only add decls to weak_decls if they also
5453 have weak attribute.
5455 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
5457 * var-tracking.c (var_reg_delete): Don't delete the association
5458 between REGs and values or one-part variables if the register
5461 2010-01-14 Jakub Jelinek <jakub@redhat.com>
5464 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
5465 because its first operand is a non-localized variable.
5467 2010-01-14 Martin Jambor <mjambor@suse.cz>
5469 PR tree-optimization/42706
5470 * tree-sra.c (encountered_recursive_call): New variable.
5471 (encountered_unchangable_recursive_call): Likewise.
5472 (sra_initialize): Initialize both new variables.
5473 (callsite_has_enough_arguments_p): New function.
5474 (scan_function): Call decl and flags check only for IPA-SRA, check
5475 whether there is a recursive call and whether it has enough arguments.
5476 (all_callers_have_enough_arguments_p): New function.
5477 (convert_callers): Look for recursive calls only when
5478 encountered_recursive_call is set.
5479 (ipa_early_sra): Bail out either if
5480 !all_callers_have_enough_arguments_p or
5481 encountered_unchangable_recursive_call.
5483 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5485 * sel-sched.c: Add 2010 to copyright years.
5486 * sel-sched-ir.c: Likewise.
5487 * sel-sched-ir.h: Likewise.
5489 2010-01-14 Martin Jambor <mjambor@suse.cz>
5491 PR tree-optimization/42714
5492 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
5493 constructors specially.
5495 2010-01-14 Andi Kleen <ak@linux.intel.com>
5497 * config/i386/drivers-i386.c (detect_caches_intel):
5498 Add l2sizekb parameter and fill in.
5499 (host_detect_local_cpu): Add l2sizekb, fill in.
5500 Add Atom small cache heuristic.
5502 2010-01-14 Andi Kleen <ak@linux.intel.com>
5504 * config/i386/drivers-i386.c (detect_caches_cpuid4):
5505 Add level3 parameter and fill in.
5506 (detect_caches_intel): Handle level3 cache.
5508 2010-01-14 Andi Kleen <ak@linux.intel.com>
5510 * config/i386/drivers-i386.c (host_detect_local_cpu):
5511 Fix core duo detection.
5513 2010-01-14 Andi Kleen <ak@linux.intel.com>
5515 * config/i386/drivers-i386.c (host_detect_local_cpu):
5518 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5520 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
5521 (rs6000_variable_issue_1): this. Use...
5522 (rs6000_variable_issue): here. Reimplement. Print debug info.
5524 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5526 * sel-sched-ir.c (sel_restore_other_notes): Rename to
5527 sel_restore_notes. Update all callers. Call reemit_notes
5530 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5532 PR rtl-optimization/42246
5533 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
5536 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5538 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
5539 all successors is the same as number of successors in current region.
5541 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5543 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
5544 to rename is not separable. Otherwise check that its LHS is not NULL.
5546 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5548 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
5550 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5552 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
5553 available registers when failed to discover LHS register class.
5554 Fix indentation. Update comment.
5556 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5557 Alexander Monakov <amonakov@ispras.ru>
5559 PR rtl-optimization/42389
5560 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
5562 (advance_state_on_fence): Likewise.
5563 (sel_target_adjust_priority): Print debug output only when
5564 sched_verbose >= 4, not 2.
5565 (get_expr_cost): Do not issue all unique insns on the next cycle.
5566 (fill_insns): Initialize can_issue_more from the value saved
5568 * sel-sched-ir.c (flist_add): New parameter issue_more.
5569 Init FENCE_ISSUE_MORE with it.
5570 (merge_fences): Likewise.
5571 (init_fences): Update call to flist_add.
5572 (add_to_fences, add_clean_fence_to_fences)
5573 (add_dirty_fence_to_fences): Likewise.
5574 (move_fence_to_fences): Update call to merge_fences.
5575 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
5577 * sel-sched-ir.h (struct _fence): New field issue_more.
5578 (FENCE_ISSUE_MORE): New accessor macro.
5580 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5582 PR rtl-optimization/42388
5583 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
5584 that have no predecessors nor successors. Do not call move_bb_info
5585 for empty blocks outside of current region.
5587 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5589 PR rtl-optimization/42294
5590 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
5591 * sel-sched.c (move_exprs_to_boundary): Transitively add all
5592 originators' originators.
5594 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5596 PR rtl-optimization/39453
5597 PR rtl-optimization/42246
5598 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
5600 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
5602 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5603 Alexander Monakov <amonakov@ispras.ru>
5606 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
5607 (maybe_tidy_empty_bb): ... here. Make static. Add new
5608 argument. Update all callers.
5609 (tidy_control_flow): ... and here. Recompute topological order
5610 of basic blocks in region if necessary.
5611 (sel_redirect_edge_and_branch): Change return type. Return true
5612 if topological order might have been invalidated.
5613 (purge_empty_blocks): Export and move from...
5614 * sel-sched.c (purge_empty_blocks): ... here.
5615 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
5616 (maybe_tidy_empty_bb): Delete prototype.
5617 (purge_empty_blocks): Declare.
5619 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5621 PR rtl-optimization/42249
5622 * sel-sched.c (try_replace_dest_reg): When chosen register
5623 and original register is the same, do not bail out early, but
5624 still check all original insns for validity of replacing destination
5625 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
5628 2010-01-14 Jakub Jelinek <jakub@redhat.com>
5631 Port from no-undefined-overflow branch:
5632 2009-03-09 Richard Guenther <rguenther@suse.de>
5634 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
5636 2010-01-14 Richard Guenther <rguenther@suse.de>
5639 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
5641 2010-01-14 Ira Rosen <irar@il.ibm.com>
5643 PR tree-optimization/42709
5644 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
5645 as scalar type in creation of constant vector operand.
5647 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5650 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
5651 (check-parallel-%): Match `testsuite' directory component only
5654 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
5656 PR translation/39521
5657 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
5660 2010-01-13 Richard Guenther <rguenther@suse.de>
5662 PR tree-optimization/42730
5663 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
5666 2010-01-13 Steve Ellcey <sje@cup.hp.com>
5669 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
5670 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
5673 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
5675 * config/bfin/libgcc-bfin.ver: Regenerate based on current
5676 libgcc-std.ver. Add entries for ___smulsi3_highpart and
5677 ___umulsi3_highpart.
5679 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
5680 rather than schedule_insns if the pass is enabled.
5682 2010-01-13 Martin Jambor <mjambor@suse.cz>
5684 PR tree-optimization/42704
5685 * tree-sra.c (sra_modify_assign): Do not delete assignments to
5688 2010-01-13 Martin Jambor <mjambor@suse.cz>
5690 PR tree-optimization/42703
5691 * tree-sra.c (analyze_access_subtree): Check that we can build a
5692 reference to the original data within the aggregate.
5694 2010-01-13 Richard Guenther <rguenther@suse.de>
5696 PR tree-optimization/42705
5697 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
5699 2010-01-13 Richard Guenther <rguenther@suse.de>
5702 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
5704 2010-01-13 Jakub Jelinek <jakub@redhat.com>
5707 * var-tracking.c (values_to_unmark): New variable.
5708 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
5709 values_to_unmark vector. Moved body to...
5710 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
5711 instead queue it into values_to_unmark vector.
5712 (vt_find_locations): Free values_to_unmark vector.
5714 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
5716 * config/s390/s390.c (override_options): Set
5717 default of max-pending-list-length to 256
5719 2010-01-13 Richard Guenther <rguenther@suse.de>
5722 * tree-pass.h (PROP_gimple_lcx): New.
5723 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
5724 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
5725 before the final cleanup_eh.
5726 (dump_properties): Dump PROP_gimple_lcx.
5727 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
5728 (tree_lower_complex_O0): Remove.
5729 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
5730 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
5731 tree_lower_complex, schedule TODO_update_ssa.
5732 * lto-streamer-out.c (output_function): Stream the functions
5734 * lto-streamer-in.c (input_function): Likewise.
5735 (lto_read_body): Do not override them here.
5737 2010-01-12 Joseph Myers <joseph@codesourcery.com>
5740 * c-typeck.c (build_c_cast): Fold value cast to union type before
5741 wrapping it in a CONSTRUCTOR.
5743 2010-01-12 Jakub Jelinek <jakub@redhat.com>
5745 PR rtl-optimization/42699
5746 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
5749 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5751 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
5752 SUBTARGET_WARN_UNUSED_SPEC): Move ...
5753 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
5754 SUBTARGET_WARN_UNUSED_SPEC): ... here
5755 * config/mips/iris5.h (LIBGCC_SPEC): Define.
5757 2010-01-12 Julian Brown <julian@codesourcery.com>
5759 * config/arm/neon-schedgen.ml (Utils): Don't try to
5760 open missing module.
5761 (find_with_result): New.
5763 2010-01-12 Jakub Jelinek <jakub@redhat.com>
5766 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
5767 sharing when canonicalizing ({lt,ge}u (plus a b) b).
5769 PR tree-optimization/42645
5770 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
5771 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
5772 decl_map, set processing_debug_stmt to -1 and return name without
5775 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
5777 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
5778 binutils version, and reword target configuration description.
5780 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
5782 * config/avr/avr.h (LINKER_NAME): Remove.
5784 2010-01-11 Janis Johnson <janis187@us.ibm.com>
5787 * config/rs6000/rs6000.c (rs6000_override_options): On targets
5788 that support VSX, warn for -mno-altivec if vsx is not disabled,
5791 2010-01-11 Joseph Myers <joseph@codesourcery.com>
5792 Shujing Zhao <pearly.zhao@oracle.com>
5794 PR translation/42469
5795 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
5796 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
5797 character between option name and help text.
5798 * c.opt (imultilib): Likewise.
5800 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
5802 * lto-streamer-out.c (output_unreferenced_globals): Output static
5805 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
5807 PR rtl-optimization/42621
5808 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
5809 optimizing for size.
5810 (duplicate_computed_gotos): Remove now-redundant check.
5812 2010-01-10 Steve Ellcey <sje@cup.hp.com>
5815 * configure.ac: Save and restore LDFLAGS and LIBS
5816 * configure: Regenerate.
5818 2010-01-10 Richard Guenther <rguenther@suse.de>
5821 * builtins.c (fold_builtin_strlen): Add type argument and
5822 convert the resulting length to it.
5823 (fold_builtin_1): Adjust.
5825 2010-01-09 Jakub Jelinek <jakub@redhat.com>
5827 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
5828 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
5830 (num_insns_constant_wide): Adjust for that change.
5832 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5835 * web.c (union_defs): Add used argument, to combine uses of
5837 (entry_register): Adjust type and tests of used argument.
5838 (web_main): Widen used for new use. Pass it to union_defs.
5839 * df.h (union_defs): Adjust prototype.
5841 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5844 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
5845 uses in new incoming argument. Free body.
5846 (reset_debug_uses_in_loop): New.
5847 (analyze_insn_to_expand_var): Call the latter if the former found
5848 anything. Fix whitespace. Reject invalid dest overlaps before
5849 going through all insns in the loop.
5851 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5854 * haifa-sched.c (dying_use_p): Debug insns don't count.
5856 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5859 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
5860 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
5861 (verify_gimple_call): Reject LHS in noreturn calls.
5863 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5867 * tree-vect-loop-manip.c (adjust_info): New type.
5868 (adjust_vec): New pointer to vector.
5869 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
5870 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
5871 (slpeel_update_phis_for_duplicate_loop): Use them.
5872 (slpeel_update_phi_nodes_for_guard1): Likewise.
5873 (slpeel_update_phi_nodes_for_guard2): Likewise.
5874 (slpeel_tree_peel_loop_to_edge): Likewise.
5875 (vect_update_ivs_after_vectorizer): Likewise.
5877 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5879 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
5880 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
5882 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5884 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
5885 bogus uninitialized warning.
5887 2010-01-09 Richard Guenther <rguenther@suse.de>
5890 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
5891 the evolution is compatible with the initial condition.
5893 2010-01-09 Jakub Jelinek <jakub@redhat.com>
5895 * gcc.c (process_command): Update copyright notice dates.
5896 * gcov.c (print_version): Likewise.
5897 * gcov-dump.c (print_version): Likewise.
5898 * mips-tfile.c (main): Likewise.
5899 * mips-tdump.c (main): Likewise.
5901 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
5904 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
5906 (rotlhi3_8): Delete.
5908 (rotlsi3_8): Delete.
5909 (rotlsi3_16): Delete.
5910 (rotlsi3_24): Delete.
5912 (*rotw<mode>3): New.
5913 (*rotb<mode>3): New.
5914 * config/avr/avr.c (avr_rotate_bytes): New function.
5915 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
5917 2010-01-08 Steve Ellcey <sje@cup.hp.com>
5920 * configure.ac: Modify -rdynamic check.
5921 * configure: Regenerate.
5923 2010-01-08 DJ Delorie <dj@redhat.com>
5925 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
5926 register popping order.
5928 2010-01-08 Richard Guenther <rguenther@suse.de>
5931 * c.opt (fsigned-char): Also let LTO handle this option.
5932 (funsigned-char): Likewise.
5934 2010-01-07 Richard Guenther <rguenther@suse.de>
5936 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
5937 (gimple_op): Likewise.
5938 (gimple_op_ptr): Likewise.
5939 (gimple_assign_set_lhs): Remove gcc_assert.
5940 (gimple_assign_set_rhs1): Likewise.
5941 (gimple_assign_set_rhs2): Likewise.
5942 (gimple_call_set_lhs): Likewise.
5943 (gimple_call_set_fn): Likewise.
5944 (gimple_call_set_fndecl): Likewise.
5945 (gimple_call_fndecl): Likewise.
5946 (gimple_call_return_type): Likewise.
5947 (gimple_call_set_chain): Likewise.
5948 (gimple_call_num_args): Likewise.
5949 (gimple_call_set_arg): Likewise.
5950 (gimple_cond_set_code): Likewise.
5951 (gimple_cond_set_lhs): Likewise.
5952 (gimple_cond_set_rhs): Likewise.
5953 (gimple_cond_set_true_label): Likewise.
5954 (gimple_cond_set_false_label): Likewise.
5955 (gimple_label_set_label): Likewise.
5956 (gimple_goto_set_dest): Likewise.
5957 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
5958 (gimple_debug_bind_get_value): Likewise.
5959 (gimple_debug_bind_get_value_ptr): Likewise.
5960 (gimple_debug_bind_set_var): Likewise.
5961 (gimple_debug_bind_set_value): Likewise.
5962 (gimple_debug_bind_reset_value): Likewise.
5963 (gimple_debug_bind_has_value_p): Likewise.
5964 (gimple_return_retval_ptr): Remove gcc_assert.
5965 (gimple_return_retval): Likewise.
5966 (gimple_return_set_retval): Likewise.
5967 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
5968 (safe_referenced_var_iterator): Remove.
5969 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
5970 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
5971 (fill_referenced_var_vec): Remove.
5972 (first_readonly_imm_use): Remove redundant gcc_assert.
5973 (phi_arg_index_from_use): Combine gcc_asserts.
5974 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
5975 (first_imm_use_stmt): Remove redundant gcc_assert.
5976 * tree-cfg.c (verify_gimple_call): Verify function and chain
5977 operands. Verify arguments.
5978 (verify_types_in_gimple_stmt): Verify condition code and labels.
5980 2010-01-07 Richard Guenther <rguenther@suse.de>
5982 PR tree-optimization/42641
5983 * sese.c (rename_map_elt_info): Use the SSA name version, do
5986 2010-01-07 Jakub Jelinek <jakub@redhat.com>
5988 PR tree-optimization/42625
5989 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
5990 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
5992 2010-01-07 Duncan Sands <baldrick@free.fr>
5994 * Makefile.in (PLUGIN_HEADERS): Add version.h.
5996 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
5999 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
6000 note itself is not function_invariant_p.
6002 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
6004 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
6005 Do not add the DF_NOTE problem.
6006 * store-motion.c (execute_rtl_store_motion): Likewise.
6008 2010-01-07 Martin Jambor <mjambor@suse.cz>
6010 PR tree-optimization/42157
6011 * tree-sra.c (compare_access_positions): Stabilize sort if both
6012 accesses have integer types, return zero immediately if they are the
6015 2010-01-06 Richard Henderson <rth@redhat.com>
6018 * haifa-sched.c (add_to_note_list): Merge into ...
6019 (concat_note_lists): ... here, and ...
6020 (unlink_other_notes, rm_other_notes): Merge into...
6021 (remove_notes): ... here. Create REG_SAVE_NOTEs for
6022 NOTE_INSN_EPILOGUE_BEG.
6024 2010-01-06 Richard Guenther <rguenther@suse.de>
6026 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
6027 not inline regular functions into always-inline functions.
6029 2010-01-06 Nick Clifton <nickc@redhat.com>
6031 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
6032 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
6034 (OVERRIDE_OPTIONS): Delete.
6035 (OPTIMIZATION_OPTIONS): Define.
6036 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
6037 * config/rx/rx.c (rx_handle_option): Issue an error message if
6038 -mcpu=rx200 and -fpu are used together.
6039 (rx_set_optimization_options): New function. Issue an error
6040 message if an optimization attribute attempts to reset the FPU/
6041 math optimization pairing.
6042 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
6043 * config/rx/rx.opt: Set the default to 32-bit doubles.
6044 * config/rx/t-rx: Add multilibs for -nofpu option.
6045 * doc/invoke.texi: Update documentation of RX options.
6047 2010-01-06 Richard Guenther <rguenther@suse.de>
6049 * tree-ssa-pre.c (name_to_id): New global.
6050 (alloc_expression_id): Simplify SSA name handling.
6051 (lookup_expression_id): Likewise.
6052 (init_pre): Zero name_to_id.
6053 (fini_pre): Free it.
6055 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
6057 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
6059 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
6062 * config/i386/sse.md (smaxv2di3): New.
6063 (umaxv2di3): Likewise.
6064 (sminv2di3): Likewise.
6065 (uminv2di3): Likewise.
6067 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
6070 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
6071 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
6072 (legitimize_tls_address): Likewise.
6073 (sparc_tls_referenced_p): Likewise.
6074 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
6075 and adjust calls to legitimize_pic_address.
6076 (legitimate_constant_p) Use sparc_tls_referenced_p.
6077 (legitimate_pic_operand_p): Likewise.
6078 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
6079 (sparc_tls_symbol_ref_1): Delete.
6080 (sparc_tls_referenced_p): Make static, recognize specific patterns.
6081 (legitimize_tls_address): Make static, handle CONST patterns.
6082 (legitimize_pic_address): Make static, remove unused parameter and
6083 adjust recursive calls.
6084 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
6085 and adjust call to legitimize_pic_address.
6086 (sparc_output_mi_thunk): Likewise.
6088 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
6089 H.J. Lu <hongjiu.lu@intel.com>
6092 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
6093 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
6094 operands to make them signed.
6097 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6100 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
6101 GTU to GT for V4SI and V2DI.
6103 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
6104 (umin<mode>3): Removed.
6106 (uminv4si3): Likewise.
6108 2010-01-05 Martin Jambor <mjambor@suse.cz>
6110 PR tree-optimization/42462
6111 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
6112 current_function_decl to helper functions and macros.
6114 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6117 * flags.h: Don't include real.h.
6118 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
6119 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
6120 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
6121 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
6122 * dominance.c: Update copyright.
6123 * gimple.c (walk_gimple_op): Remove inline.
6124 * tree-ssa-reassoc.c: Include real.h.
6125 * Makefile.in (FLAGS_H): Remove $(REAL_H).
6126 (tree-ssa-reassoc.o): Depend on $(REAL_H).
6128 2010-01-05 Nick Clifton <nickc@redhat.com>
6130 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
6131 register to push into the stack frame when the accumulator has to
6132 be saved during interrupts.
6134 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
6136 * doc/invoke.texi: Remove the documentation about option
6138 * common.opt (Wunreachable-code): Preserved for backward
6140 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
6141 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
6142 the backward compatibility flag section.
6144 2010-01-05 Richard Guenther <rguenther@suse.de>
6146 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
6148 2010-01-05 Jakub Jelinek <jakub@redhat.com>
6151 * cfgexpand.c (expand_one_var): Diagnose too large variables.
6153 PR tree-optimization/42508
6154 * tree-sra.c (convert_callers): Check for recursive call
6155 by comparing cgraph nodes instead of decls.
6156 (modify_function): Call ipa_modify_formal_parameters also
6157 on all same_body aliases.
6159 * cgraphunit.c (cgraph_materialize_all_clones): Compare
6160 cgraph nodes when checking for same_body aliases.
6162 2010-01-05 Richard Guenther <rguenther@suse.de>
6164 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
6165 allocation and lookup.
6166 (get_or_alloc_expr_for_constant): Likewise.
6167 (phi_translate): Sink allocation.
6169 2010-01-04 Richard Guenther <rguenther@suse.de>
6171 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
6172 a new entry only if needed.
6173 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
6174 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
6176 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
6178 (phi_translate): Handle CONSTANTs early.
6180 2010-01-04 Martin Jambor <mjambor@suse.cz>
6182 PR tree-optimization/42398
6183 * tree-sra.c (struct access): Removed flag grp_different_types.
6184 (dump_access): Do not dump the removed flag.
6185 (sort_and_splice_var_accesses): Do not set the removed flag.
6186 (sra_modify_expr): Check for type compatibility directly.
6188 2010-01-04 Martin Jambor <mjambor@suse.cz>
6190 PR tree-optimization/42366
6191 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
6192 edges with variable number of parameters.
6193 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
6194 flag instead of asserting it.
6195 (ipa_read_node_info): Read uses_analysis_done flag.
6197 2010-01-04 Richard Guenther <rguenther@suse.de>
6199 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
6200 iterative_hash_* as intended.
6201 (vn_reference_compute_hash): Likewise. Simplify hashing
6203 (vn_reference_lookup_2): Likewise.
6204 (vn_nary_op_compute_hash): Likewise.
6205 (vn_phi_compute_hash): Likewise.
6206 (expressions_equal_p): Remove strange code.
6207 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
6208 (pre_expr_hash): Likewise. Simplify hashing SSA names.
6209 (bitmap_insert_into_set_1): Take value-id as parameter.
6210 (add_to_value): Pass it.
6211 (bitmap_insert_into_set): Likewise.
6212 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
6214 2010-01-04 Jakub Jelinek <jakub@redhat.com>
6217 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
6218 (do_self_spec): For switches with SWITCH_IGNORE set set also
6219 SWITCH_IGNORE_PERMANENTLY.
6220 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
6223 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
6225 * lto-streamer-out.c (output_unreferenced_globals): Output the full
6226 tree of an unreferenced global var.
6228 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6231 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
6232 GTU to GT for V4SI and V2DI.
6234 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
6235 (umin<mode>3): Removed.
6237 (uminv4si3): Likewise.
6239 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6242 * collect2.c (main): Turn on trace in collect2 if -v is passed
6245 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
6247 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
6248 description of expression operand.
6250 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
6252 * configure.ac: Add install-html to target_list for Make-hooks.
6253 * configure: Regenerate.
6254 * fortran/Make-lang.in (F95_HTMLFILES): New.
6255 (fortran.html): Use it.
6256 (fortran.install-html): New.
6257 * Makefile.in (install-html): Add lang.install-html.
6258 * java/Make-lang.in (JAVA_HTMLFILES): New.
6259 (java.html): Use it.
6260 (java.install-html): New.
6261 * objc/Make-lang.in (objc.install-html): New.
6262 * objcp/Make-lang.in (obj-c++.install-html): New.
6263 * cp/Make-lang.in (c++.install-html): New.
6264 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
6265 * lto/Make-lang.in (lto.install-html): New.
6267 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
6270 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
6272 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
6274 PR rtl-optimization/41862
6275 * store-motion.c (store_killed_in_insn, compute_store_table,
6276 remove_reachable_equiv_notes, replace_store_insn,
6277 build_store_vectors): Ignore all DEBUG_INSNs.
6279 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
6282 * common.opt: Add dumpdir.
6284 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
6286 (option_map): Add --dumpdir.
6288 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
6290 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
6292 * opts.c (decode_options): Try dump_dir_name first if
6293 dump_base_name isn't an absolute path.
6294 (common_handle_option): Handle OPT_dumpdir.
6296 * toplev.c (dump_dir_name): New.
6297 (print_switch_values): Also ignore -dumpdir.
6299 * toplev.h (dump_dir_name): New.
6301 2010-01-03 Richard Guenther <rguenther@suse.de>
6303 PR tree-optimization/42589
6304 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
6305 double-word expansion of bswap32.
6307 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
6309 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
6310 with BLOCK_FOR_INSN.
6311 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
6312 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
6313 noce_process_if_block): Likewise.
6314 * gcse.c (compute_local_properties, insert_expr_in_table,
6315 insert_set_in_table, canon_list_insert, find_avail_set,
6316 pre_insert_copy_insn): Likewise.
6318 * basic-block.h (BLOCK_NUM): Move from here...
6319 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
6321 2010-01-03 Richard Guenther <rguenther@suse.de>
6323 PR tree-optimization/42438
6324 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
6325 contains_may_not_return_call flag.
6326 (BB_MAY_NOTRETURN): New.
6327 (valid_in_sets): Trapping nary operations are not valid
6328 in blocks that may not return.
6329 (insert_into_preds_of_block): Remove check for trapping expressions.
6330 (compute_avail): Compute also BB_MAY_NOTRETURN.
6332 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
6334 * doc/invoke.texi: Add 2010 to copyright years.
6336 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
6338 * config/sparc/sparc.c: Fix formatting nits.
6340 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
6341 Alexander Monakov <amonakov@ispras.ru>
6343 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
6345 2010-01-02 Richard Guenther <rguenther@suse.de>
6348 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
6349 (simplify_switch_using_ranges): Mark to be removed edges
6352 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6354 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
6356 * collect2.c (scan_libraries): Add missing argument in call to
6359 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
6362 * config/alpha/predicates.md (aligned_memory_operand): Return false
6364 (unaligned_memory_operand): Return true for CQImode.
6365 * config/alpha/alpha.c (get_aligned_mem): Assert that location
6366 doesn not cross aligned SImode word boundary.
6368 2010-01-02 Anatoly Sokolov <aesok@post.ru>
6370 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
6372 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
6373 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
6375 2010-01-02 Richard Guenther <rguenther@suse.de>
6378 * toplev.c (compile_file): Emit LTO marker properly. Change
6380 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
6382 2010-01-01 Richard Guenther <rguenther@suse.de>
6385 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
6387 2010-01-01 Richard Guenther <rguenther@suse.de>
6390 * c-decl.c (grokdeclarator): For zero-size arrays force
6391 structural equality checks as layout_type does.
6393 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
6395 * builtins.c: Update copyright to 2010.
6397 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
6400 * lto-streamer-out.c (produce_asm): Revert the last change.
6401 (copy_function): Likewise.
6403 * lto-streamer.c (lto_get_section_name): Skip any leading
6406 2010-01-01 Richard Guenther <rguenther@suse.de>
6409 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
6413 Copyright (C) 2010 Free Software Foundation, Inc.
6415 Copying and distribution of this file, with or without modification,
6416 are permitted in any medium without royalty provided the copyright
6417 notice and this notice are preserved.