1 2010-04-18 Jan Hubicka <jh@suse.cz>
3 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
4 (sse_prologue_save_insn expander): Use new pattern.
5 (sse_prologue_save_insn1): New pattern and splitter.
6 (sse_prologue_save_insn): Update to deal also with 64bit aligned
8 * i386.c (setup_incoming_varargs_64): Do not compute jump destination here.
9 (ix86_gimplify_va_arg): Update alignment needed.
10 (ix86_local_alignment): Do not align all local arrays
13 2010-04-17 Jan Hubicka <jh@suse.cz>
15 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
17 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
19 * arm.md (negdi2): Remove redundant code to force values into a
22 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
24 * arm/bpabi.S: Add EABI alignment attributes to objects.
25 * arm/bpabi-v6m.S: Likewise.
26 * arm/crti.asm: Likewise.
27 * arm/crtn.asm: Likewise.
28 * arm/lib1funcs.asm: Likewise.
29 * arm/libunwind.S: Likewise.
31 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
33 * arm-protos.h (tune_params): New structure.
34 * arm.c (current_tune): New variable.
35 (arm_constant_limit): Delete.
36 (struct processors): Add pointer to the tune parameters.
37 (arm_slowmul_tune): New tuning option.
38 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
39 (all_cores): Adjust to pick up the tuning model.
40 (arm_constant_limit): New function.
41 (arm_override_options): Select the appropriate tuning model. Delete
42 initialization of arm_const_limit.
43 (arm_split_constant): Use the new constant-limit model.
44 (arm_rtx_costs): Pick up the current tuning model.
45 * arm.md (is_strongarm, is_xscale): Delete.
46 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
47 for Xscale variant architectures.
48 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
50 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
52 * config/arm/arm.c (arm_gen_constant): Remove unused variable
54 (arm_rtx_costs_1): Remove unused variable extra_cost.
55 (arm_unwind_emit_set): Use variable offset.
56 (thumb1_output_casesi): Remove unused variable flags.
58 2010-04-16 Jeff Law <law@redhat.com>
60 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
61 needing assignment rather than doing a two-phase assignment. Remove
64 2010-04-16 Jakub Jelinek <jakub@redhat.com>
67 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
69 2010-04-16 Doug Kwan <dougkwan@google.com>
71 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
72 (next_operand_entry_id): New static variable.
73 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
74 (add_to_ops_vec): Assigned unique ID to operand entry.
75 (struct oecount_s): New field ID.
76 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
77 (undistribute_ops_list): Assign unique IDs to oecounts.
78 (init_reassoc): reset next_operand_entry_id.
80 2010-04-16 Doug Kwan <dougkwan@google.com>
82 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
83 missing left parenthesis.
85 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
87 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
88 *btdi_rex64 using SWI48 mode iterator.
89 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
90 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
93 2010-04-16 Anatoly Sokolov <aesok@post.ru>
95 * double-int.h (tree_to_double_int): Convert to macro.
96 * double-int.c (tree_to_double_int): Remove.
98 2010-04-16 Jakub Jelinek <jakub@redhat.com>
101 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
102 with want_address 2 and in case a single element list might be
103 possible, call it again with want_address 0.
105 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
107 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
108 case 'W' print operands for HI mode.
109 * config/h8300/h8300.h (Y0, Y2) : New constraints.
110 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
111 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
112 * config/h8300/predicate.md (bit_register_indirect_operand): New.
114 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
116 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
117 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
118 #xx:3 and #xx:4 mode.
120 * config/h8300/h8300.md (inverted load with HImode dest): Add
123 * config/h8300/predicate.md (bit_operand): Allow immediate values that
124 satisfy 'U' constraint.
126 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
128 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx
130 * configure: Regenerate.
131 * config.in: Regenerate.
132 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
135 2010-04-16 Richard Guenther <rguenther@suse.de>
137 * tree.h (struct tree_decl_minimal): Move pt_uid ...
138 (struct tree_decl_common): ... here.
139 (DECL_PT_UID): Adjust.
140 (SET_DECL_PT_UID): Likewise.
141 (DECL_PT_UID_SET_P): Likewise.
143 2010-04-16 Richard Guenther <rguenther@suse.de>
145 PR tree-optimization/43572
146 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
147 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
148 * tree-flow.h (is_call_clobbered): Remove.
149 * tree-flow-inline.h (is_call_clobbered): Likewise.
150 * tree-dfa.c (dump_variable): Do not dump call clobber state.
151 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
152 (execute_return_slot_opt): Adjust.
153 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
154 check for call clobbered vars here.
155 (find_tail_calls): Move tailcall verification to the
158 2010-04-16 Diego Novillo <dnovillo@google.com>
160 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings
163 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
166 * config/arm/arm.md (cbranchqi4): New pattern.
167 * config/arm/predicates.md (const0_operand,
168 cbranchqi4_comparison_operator): New predicates.
170 2010-04-16 Richard Guenther <rguenther@suse.de>
172 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
173 (dump_gimple_stmt): Likewise.
175 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
177 * recog.h (struct recog_data): New field is_operator.
178 (struct insn_operand_data): New field is_operator.
179 * recog.c (extract_insn): Set recog_data.is_operator.
180 * genoutput.c (output_operand_data): Emit code to set the
182 * reload.c (find_reloads): Use it rather than testing for an
183 empty constraint string.
186 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
187 If the previous insn is a cbranchsi4_insn with the same arguments,
188 omit the compare instruction.
190 * config/arm/arm.md (addsi3_cbranch): If destination is a high
191 register, inputs must be low registers and we need a low register
192 scratch. Handle alternative 2 like alternative 3.
194 2010-04-16 Jakub Jelinek <jakub@redhat.com>
196 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
197 don't call get_addr on both. If one expression is a VALUE and
198 the other a REG, check VALUE's locs if the REG isn't among them.
200 2010-04-16 Christian Bruel <christian.bruel@st.com>
202 * config/sh/sh.h (sh_frame_pointer_required): New function.
203 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
204 (flag_omit_frame_pointer) Set.
205 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
206 (rounded_frame_size): Adjust size with outgoing_args_size.
207 (sh_set_return_address): Must return from stack pointer.
208 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
209 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
210 (ACCUMULATE_OUTGOING_ARGS): Define.
211 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
212 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
214 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
217 * config/sh/sh.c (sh_legitimize_reload_address): Use
218 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
219 Remove a unneeded check for offset_base.
221 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
223 * configure: Regenerated.
225 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
227 * config/s390/s390.c (s390_call_save_register_used): Switch back
230 2010-04-15 Richard Guenther <rguenther@suse.de>
232 * alias.c (alias_set_subset_of): Handle alias-set zero
235 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
236 Julian Brown <julian@codesourcery.com>
238 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
239 alternatives according to use of high and low regs.
240 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
241 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
242 optimizing for size on Thumb-2.
244 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
246 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
248 2010-04-15 Richard Guenther <rguenther@suse.de>
250 * tree-ssa-structalias.c (struct variable_info): Add
252 (new_var_info): Initialize it.
253 (dump_constraints): Support printing last added constraints.
254 (debug_constraints): Adjust.
255 (dump_constraint_graph): Likewise.
256 (make_heapvar_for): Check for NULL cfun.
257 (get_function_part_constraint): New function.
258 (get_fi_for_callee): Likewise.
259 (find_func_aliases): Properly implement IPA PTA constraints.
260 (process_ipa_clobber): New function.
261 (find_func_clobbers): Likewise.
262 (insert_into_field_list_sorted): Remove.
263 (create_function_info_for): Properly allocate vars for IPA mode.
264 Do not use insert_into_field_list_sorted.
265 (create_variable_info_for): Properly generate constraints for
266 global vars in IPA mode.
267 (dump_solution_for_var): Always dump the solution.
268 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
269 (find_what_var_points_to): Adjust.
270 (pt_solution_set): Change.
271 (pt_solution_ior_into): New function.
272 (pt_solution_empty_p): Export.
273 (pt_solution_includes_global): Adjust.
274 (pt_solution_includes_1): Likewise.
275 (pt_solutions_intersect_1): Likewise.
276 (dump_sa_points_to_info): Check some invariants.
277 (solve_constraints): Move constraint dumping ...
278 (compute_points_to_sets): ... here.
279 (ipa_pta_execute): ... and here.
280 (compute_may_aliases): Do not re-compute points-to info
281 locally if IPA info is available.
282 (ipa_escaped_pt): New global var.
283 (ipa_pta_execute): Properly implement IPA PTA.
284 * tree-into-ssa.c (dump_decl_set): Support dumping
285 decls not in referenced-vars.
286 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
287 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
288 (dump_points_to_solution): Likewise.
289 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
290 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
291 (remap_gimple_stmt): Reset call clobber/use information if
293 (copy_decl_to_var): Copy DECL_PT_UID.
294 (copy_result_decl_to_var): Likewise.
295 * tree.c (make_node_stat): Initialize DECL_PT_UID.
296 (copy_node_stat): Copy it.
297 * tree.h (DECL_PT_UID): New macro.
298 (SET_DECL_PT_UID): Likewise.
299 (DECL_PT_UID_SET_P): Likewise.
300 (struct tree_decl_minimal): Add pt_uid member.
301 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
302 (pt_solution_empty_p): Declare.
303 (pt_solution_set): Adjust.
304 (ipa_escaped_pt): Declare.
305 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
306 * gimple-pretty-print.c (pp_points_to_solution): New function.
307 (dump_gimple_call): Dump call clobber/use information.
308 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
309 * tree-pass.h (TDF_ALIAS): New dump option.
310 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
311 * doc/invoke.texi (-fipa-pta): Update documentation.
313 2010-04-15 Richard Guenther <rguenther@suse.de>
315 * Makefile.in (OBJS-common): Add gimple-fold.o.
316 (gimple-fold.o): New rule.
317 * tree.h (maybe_fold_offset_to_reference,
318 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
320 * gimple.h: ... here.
321 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
322 may_propagate_address_into_dereference): Move prototypes ...
323 * gimple.h: ... here.
324 * tree-ssa-ccp.c (get_symbol_constant_value,
325 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
326 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
327 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
328 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
329 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
330 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
331 gimplify_and_update_call_from_tree): Move ...
332 * gimple-fold.c: ... here. New file.
333 (ccp_fold_builtin): Rename to ...
334 (gimple_fold_builtin): ... this.
335 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
337 2010-04-15 Richard Guenther <rguenther@suse.de>
339 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
340 fit_double_type, force_fit_type_double, add_double_with_sign,
341 neg_double, mul_double_with_sign, lshift_double, rshift_double,
342 lrotate_double, rrotate_double, div_and_round_double): Move ...
343 * double-int.c: ... here.
344 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
345 add_double, neg_double, mul_double_with_sign, mul_double,
346 lshift_double, rshift_double, lrotate_double, rrotate_double,
347 div_and_round_double): Move prototypes ...
348 * double-int.h: ... here.
350 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
353 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
354 matching constraints to ensure inputs match the output.
356 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
359 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
360 in an input-only operand.
362 2010-04-15 Anatoly Sokolov <aesok@post.ru>
364 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
365 (double_int_not, double_int_lshift, double_int_rshift): Declare.
366 (double_int_negative_p): Convert to static inline function.
367 * double-int.c (double_int_lshift, double_int_lshift): Add new function.
368 (double_int_negative_p): Remove.
369 * tree.h (lshift_double, rshift_double):
370 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
371 * fold-const.c (fold_convert_const_int_from_real,
372 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
373 (lshift_double): Change type of arith argument to bool.
374 (rshift_double): Change type of arith argument to bool. Correct
376 * expmed.c (mask_rtx, lshift_value): (Ditto.).
378 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
381 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
382 at the start and end of the then/else blocks, and omit them from the
384 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
385 argument; all callers changed. Pass zero to old_insns_match_p instead.
386 (flow_find_head_matching_sequence): New function.
387 (old_insns_match_p): Check REG_EH_REGION notes for calls.
388 * basic-block.h (flow_find_cross_jump,
389 flow_find_head_matching_sequence): Declare functions.
391 2010-04-14 Jason Merrill <jason@redhat.com>
394 * c-common.c (attribute_takes_identifier_p): New fn.
395 * c-common.h: Declare it.
397 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
399 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
401 (*udivmod<mode>4): Ditto.
403 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
405 * config/i386/i386.md (maxmin_int): Rename code attribute from
406 maxminiprefix and update all users.
407 (maxmin_float): Ditto from maxminfprefix.
408 (logic): Ditto from logicprefix.
409 (absneg_mnemonic): Ditto from absnegprefix.
410 * config/i386/mmx.md: Update all users of maxminiprefix,
411 maxminfprefix and logicprefix for rename.
412 * config/i386/sse.md: Ditto.
413 * config/i386/sync.md (sync_<code><mode>): Update for
416 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
419 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
420 warnings converted to errors.
422 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
424 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
425 used insn_type variable.
426 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
427 to avoid set-but-not-used warning.
429 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
431 * df-core.c (df_ref_debug): Change format string placeholder
433 * dwarf2asm.c (dw2_asm_output_data_raw,
434 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
435 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
436 * dwarf2out.c (output_cfi, output_cfi_directive,
437 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
438 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
440 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
441 * print-rtl.c (print_rtx): Ditto.
443 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
446 * builtins.c (expand_builtin_pow_root): New function to expand pow
447 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
448 series of sqrt and cbrt calls under -ffast-math.
449 (expand_builtin_pow): Call it.
451 2010-04-14 Michael Matz <matz@suse.de>
453 PR tree-optimization/42963
454 * tree-cfg.c (touched_switch_bbs): New static variable.
455 (group_case_labels_stmt): New function broken out from ...
456 (group_case_labels): ... here, use the above.
457 (start_recording_case_labels): Allocate touched_switch_bbs.
458 (end_recording_case_labels): Deallocate it, call
459 group_case_labels_stmt.
460 (gimple_redirect_edge_and_branch): Remember index of affected BB.
462 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
464 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
467 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
469 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
471 2010-04-13 Jan Hubicka <jh@suse.cz>
473 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
474 of optimized out static functions.
475 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
476 cost computation. Also sanity check for overflows.
477 (update_caller_keys): Update cgraph_edge_badness call; properly
478 update fibheap and sanity check that it is up to date.
479 (add_new_edges_to_heap): Update cgraph_edge_badness.
480 (cgraph_decide_inlining_of_small_function): Likewise;
481 add sanity checking that badness in heap is up to date;
482 improve dumping of reason; Update badness of calls to the
483 offline copy of function currently inlined; dump badness
484 of functions not inlined because of unit growth limits.
486 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
489 * c-common.c (pointer_int_sum): Disregard overflow that occured only
490 because of sign-extension change when converting to sizetype here...
491 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
493 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
494 the folding to constants. Remove redundant final conversion.
495 (fold_binary) <associate>: Do not associate if the re-association of
496 constants alone overflows.
497 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
498 to the end of the list.
499 (multiple_of_p) <COND_EXPR>: New case.
501 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
503 * opt-functions.awk (opt_sanitized_name): New.
505 * optc-gen.awk: Use it
506 * opth-gen.awk: Use it.
508 2010-04-13 Martin Jambor <mjambor@suse.cz>
510 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
511 (sra_modify_assign): Delete stmts loading dead data even if racc has no
512 children. Call replace_uses_with_default_def_ssa_name to handle
515 2010-04-13 Michael Matz <matz@suse.de>
518 * builtins.c (expand_builtin_interclass_mathfn): Also create
519 a register if the predicate doesn't match.
521 2010-04-13 Diego Novillo <dnovillo@google.com>
523 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
524 * c-pch.c: Include timevar.h.
525 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
526 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
527 * ggc-common.c: Include timevar.h.
528 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
529 * timevar.def (TV_PCH_SAVE): Define.
530 (TV_PCH_CPP_SAVE): Define.
531 (TV_PCH_PTR_REALLOC): Define.
532 (TV_PCH_PTR_SORT): Define.
533 (TV_PCH_RESTORE): Define.
534 (TV_PCH_CPP_RESTORE): Define.
536 2010-04-13 Michael Matz <matz@suse.de>
538 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
540 (can_reassociate_p): New function.
541 (break_up_subtract_bb, reassociate_bb): Use it.
543 2010-04-13 Richard Guenther <rguenther@suse.de>
546 * builtins.c (c_readstr): Fix assert.
548 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
550 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
551 when generating cltd insn.
553 (*ashl<mode>3_1): Remove special handling for register operand 2.
554 (*ashlsi3_1_zext): Ditto.
556 (*ashlhi3_1_lea): Ditto.
558 (*ashlqi3_1_lea): Ditto.
559 (*<shiftrt_insn><mode>3_1): Ditto.
560 (*<shiftrt_insn>si3_1_zext): Ditto.
561 (*<shiftrt_insn>qi3_1_slp): Ditto.
562 (*<rotate_insn><mode>3_1): Ditto.
563 (*<rotate_insn>si3_1_zext): Ditto.
564 (*<rotate_insn>qi3_1_slp): Ditto.
566 2010-04-13 Richard Guenther <rguenther@suse.de>
568 * tree-ssa-structalias.c (callused_id): Remove.
569 (call_stmt_vars): New.
570 (get_call_vi): Likewise.
571 (lookup_call_use_vi): Likewise.
572 (lookup_call_clobber_vi): Likewise.
573 (get_call_use_vi): Likewise.
574 (get_call_clobber_vi): Likewise.
575 (make_transitive_closure_constraints): Likewise.
576 (handle_const_call): Adjust to do per-call call-used handling.
577 (handle_pure_call): Likewise.
578 (find_what_var_points_to): Remove general callused handling.
579 (init_base_vars): Likewise.
580 (init_alias_vars): Initialize call_stmt_vars.
581 (compute_points_to_sets): Process call-used and call-clobbered
582 vars for call statements.
583 (delete_points_to_sets): Free call_stmt_vars.
585 2010-04-13 Richard Guenther <rguenther@suse.de>
587 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
588 Only add RW dependence for dependence distance zero.
589 Adjust maximal vectorization factor according to dependences.
590 Move alignment handling ...
591 (vect_find_same_alignment_drs): ... here. New function.
592 (vect_analyze_data_ref_dependences): Adjust.
593 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
594 (vect_analyze_data_refs): Adjust minimal vectorization factor
595 according to data references.
596 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
597 dependences before determining the vectorization factor.
598 Analyze alignment after determining the vectorization factor.
599 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
600 dependences before alignment.
601 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
603 (vect_analyze_data_refs): Likewise.
604 (MAX_VECTORIZATION_FACTOR): New define.
606 2010-04-13 Duncan Sands <baldrick@free.fr>
608 * except.h (lang_eh_type_covers): Remove.
609 * except.c (lang_eh_type_covers): Likewise.
611 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
612 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
614 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
615 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
616 UNITS_PER_LONG where it is ABI relevant.
617 (s390_return_addr_rtx): Likewise.
618 (s390_back_chain_rtx): Likewise.
619 (s390_frame_area): Likewise.
620 (s390_frame_info): Likewise.
621 (s390_initial_elimination_offset): Likewise.
622 (save_gprs): Likewise.
623 (s390_emit_prologue): Likewise.
624 (s390_emit_epilogue): Likewise.
625 (s390_function_arg_advance): Likewise.
626 (s390_function_arg): Likewise.
627 (s390_va_start): Likewise.
628 (s390_gimplify_va_arg): Likewise.
629 (s390_function_profiler): Likewise.
630 (s390_optimize_prologue): Likewise.
631 (s390_rtx_costs): Likewise.
632 (s390_secondary_reload): Likewise.
633 (s390_promote_function_mode): Likewise.
634 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
635 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
637 (s390_unwind_word_mode): New function.
638 (s390_function_value): Split 64 bit values into register pair if
639 used as return value.
640 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
641 function call parameters. Handle parallels.
642 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
643 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
644 (DWARF_CIE_DATA_ALIGNMENT): New macro.
645 (s390_expand_setmem): Remove unused variable src_addr.
646 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
647 deal with 64 bit registers.
648 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
649 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
650 (UNITS_PER_LONG): New macro.
651 * libjava/include/s390-signal.h: Define extended ucontext
652 structure containing the upper halfs of the 64 bit registers.
654 2010-04-13 Simon Baldwin <simonb@google.com>
656 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
658 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
660 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
661 rvalue on the RHS if the LHS is of a non-renamable type.
662 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
664 2010-04-13 Matthias Klose <doko@ubuntu.com>
666 * gcc.c (cc1_options): Handle -iplugindir before processing
667 the cc1 spec. Only add -iplugindir once.
668 (cpp_unique_options): Add -iplugindir option if -fplugin* options
670 * common.opt (iplugindir): Remove `Separate' property, initialize.
671 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
673 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
674 (distclean): Remove plugin dir.
675 * doc/invoke.texi: Document -iplugindir.
677 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
679 * doc/plugins.texi (Loading Plugins): Document short
681 (Plugin API): Mention default_plugin_dir_name function.
683 * gcc.c (find_file_spec_function): Add new declaration.
684 (static_spec_func): Use it for "find-file".
685 (find_file_spec_function): Add new function.
686 (cc1_options): Add -iplugindir option if -fplugin* options found.
688 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
690 * plugin.c (add_new_plugin): Updated comment, and handle short
692 (default_plugin_dir_name): Added new function.
694 * common.opt (iplugindir): New option to set the plugin directory.
696 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
698 * config/i386/i386.md (any_rotate): New code iterator.
699 (rotate_insn): New code attribute.
701 (SWIM124): New mode iterator.
702 (<rotate_insn>ti3): New expander.
703 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
704 any_rotate code iterator.
705 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
706 using any_rotate code iterator and SWIM124 mode iterator.
707 (ix86_rotlti3): New insn_and_split pattern.
708 (ix86_rotrti3): Ditto.
709 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
710 ix86_rotl{di,ti}3 patterns.
711 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
712 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
713 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
714 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
715 code iterator and SWI mode iterator.
716 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
717 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
719 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
720 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
721 (bswap rotatert splitter): Add splitter.
722 (bswap splitter): Macroize splitter using any_rotate code iterator.
723 Add insn predicate to split only for TARGET_USE_XCHGB or when
724 optimizing function for size.
726 2010-04-12 Steve Ellcey <sje@cup.hp.com>
728 * config/pa/pa.c (emit_move_sequence): Remove use of
729 deleted variable flag_argument_noalias.
731 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
733 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
735 Add to unsupported targets list.
736 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
737 sparc*-sun-solaris2.[567]* from target lists.
738 * configure: Regenerate.
739 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
741 Remove Solaris 7 patch references.
742 (Specific, sparc-sun-solaris2.7): Removed.
743 (sparc-sun-solaris2*): Update Solaris 7 example.
744 (sparc64-*-solaris2*): Likewise.
746 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
748 * config.build (alpha*-dec-osf4*): Remove.
749 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
750 of obsolete configurations.
751 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
753 * config/alpha/t-osf4: Renamed to ...
754 * config/alpha/t-osf5: ... this.
755 * config/alpha/osf.h: Renamed to ...
756 * config/alpha/osf5.h: ... this.
757 Merged old osf5.h contents.
759 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
760 (EXTRA_SPECS): Removed.
761 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
762 reflect removal of Tru64 UNIX V4.0/V5.0 support.
765 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
767 * doc/contrib.texi (Contributors, Rainer Orth): Update.
769 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
772 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
773 __thiscall convention.
775 2010-04-12 Steve Ellcey <sje@cup.hp.com>
777 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
779 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
781 2010-04-12 Steve Ellcey <sje@cup.hp.com>
783 * function.c (assign_parms_initialize_all): Add unused attribute
786 2010-04-12 Richard Guenther <rguenther@suse.de>
788 * gsstruct.def (GSS_CALL): New.
789 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
790 * gimple.h: Include tree-ssa-alias.h.
791 (struct gimple_statement_call): New.
792 (union gimple_statement_struct_d): Add gimple_call member.
793 (gimple_call_reset_alias_info): Declare.
794 (gimple_call_use_set): New function.
795 (gimple_call_clobber_set): Likewise.
796 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
797 * gimple.c (gimple_call_reset_alias_info): New function.
798 (gimple_build_call_1): Call it.
799 * lto-streamer-in.c (input_gimple_stmt): Likewise.
800 * tree-inline.c (remap_gimple_stmt): Likewise.
801 (expand_call_inline): Remove callused handling.
802 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
803 * tree-dfa.c (dump_variable): Likewise.
804 * tree-parloops.c (parallelize_loops): Likewise.
805 * tree-ssa.c (init_tree_ssa): Likewise.
806 (delete_tree_ssa): Likewise.
807 * tree-flow-inline.h (is_call_used): Remove.
808 * tree-flow.h (struct gimple_df): Remove callused member.
809 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
810 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
811 (ref_maybe_used_by_call_p_1): Simplify.
812 (call_may_clobber_ref_p_1): Likewise.
813 * tree-ssa-structalias.c (compute_points_to_sets): Set
814 the call stmt used and clobbered sets.
815 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
816 (find_tail_calls): Verify the tail call.
818 2010-04-12 Richard Guenther <rguenther@suse.de>
820 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
821 single-iteration always-inline inlining.
822 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
823 (cgraph_decide_inlining): Do not handle always-inline specially.
824 (try_inline): Remove always-inline cycle detection special case.
825 Do not recurse on always-inlines.
826 (cgraph_early_inlining): Do not iterate if not optimizing.
827 (cgraph_gate_early_inlining): remove.
828 (pass_early_inline): Run unconditionally.
829 (gate_cgraph_decide_inlining): New function.
830 (pass_ipa_inline): Use it. Do not run the IPA inliner if
831 not inlining or optimizing.
832 (cgraph_decide_inlining_of_small_functions): Also consider
833 always-inline functions.
834 (cgraph_default_inline_p): Return true for nodes which should
835 disregard inline limits.
836 (estimate_function_body_sizes): Assume zero size and time for
837 nodes which are marked as disregarding inline limits.
838 (cgraph_decide_recursive_inlining): Do not perform recursive
839 inlining on always-inline nodes.
841 2010-04-12 Jakub Jelinek <jakub@redhat.com>
844 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
845 for exprs satisfying handled_component_p.
847 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
849 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
850 non-constant aggregate elements.
852 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
853 is a real initialization.
855 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
858 * c-decl.c (start_function): Move forward check for nested function.
860 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
862 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
863 * config/sh/sh.c: Include reload.h.
864 (sh_legitimize_reload_address): New.
865 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
866 sh_legitimize_reload_address.
868 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
870 * config/sh/sh.md (*movqi_pop): New insn pattern.
871 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
873 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
875 * config/i386/i386.md (any_shiftrt): New code iterator.
876 (shiftrt_insn): New code attribute.
878 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
879 using any_shiftrt code iterator.
880 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
881 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
882 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
883 pattern from corresponding peephole2 patterns.
884 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
885 using any_shiftrt code iterator.
886 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
887 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
888 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
889 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
890 *{ashr,lshr}<mode>3_cmp_zext.
891 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
893 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
895 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
897 (*lshr<mode>3_cconly): Ditto.
899 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
901 * config/i386/i386.md (lshr<mode>3): Macroize expander from
902 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
903 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
904 pattern from *lshr{di,ti}3_1 and corresponding splitters using
906 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
907 from corresponding peephole2 patterns.
908 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
909 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
910 and *lshrdi3_1_rex64 using SWI mode iterator.
911 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
912 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
913 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
914 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
915 and *lshrdi3_cmp_rex64 using SWI mode iterator.
916 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
917 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
918 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
919 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
922 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
924 * config/i386/i386.md (ashr<mode>3): Macroize expander from
925 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
926 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
927 pattern from *ashr{di,ti}3_1 and corresponding splitters using
929 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
930 from corresponding peephole2 patterns.
931 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
932 (ashrsi3_cvt): Rename from ashrsi3_31.
933 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
934 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
935 and x86_64_shift_adj_3 using SWI48 mode iterator.
936 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
937 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
938 and *ashrdi3_1_rex64 using SWI mode iterator.
939 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
940 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
941 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
942 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
943 and *ashrdi3_cmp_rex64 using SWI mode iterator.
944 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
945 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
946 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
947 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
949 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
950 * config/i386/i386.c (ix86_split_ashr): Update for renamed
951 x86_shift<mode>_adj_3 expanders.
953 2010-04-10 Wei Guozhi <carrot@google.com>
956 * config/arm/arm.c (arm_pic_static_addr): New function.
957 (legitimize_pic_address): Call arm_pic_static_addr when it detects
959 (arm_output_addr_const_extra): Output expression for new pattern.
960 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
962 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
964 * ira-costs.c (record_reg_classes): Ignore alternatives that are
967 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
968 * web.c: Include "insn-config.h" and "recog.h".
969 (union_match_dups): New function.
971 (union_defs): Don't try to recognize match_dups.
973 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
974 if doing so would replace the entire pattern.
976 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
980 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
981 and splitter pattern. Change splitter operand 1 predicate to
984 2010-04-09 Martin Jambor <mjambor@suse.cz>
986 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
987 lattices are addresses of CONST_DECLs with the same initial value.
988 (ipcp_print_all_lattices): Print values of CONST_DECLs.
989 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
991 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
992 Bernd Schmidt <bernds@codesourcery.com>
994 * loop-invariant.c (replace_uses): New static function.
995 (move_invariant_reg): Use it to ensure we can replace the uses.
997 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
999 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1001 (picochip_override_options): Enable section anchors only above -O1.
1002 (picochip_reorg): Fixed a couple of build warnings.
1004 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1006 * configure.ac (plugin -rdynamic test): Log result.
1007 * configure: Regenerate.
1008 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1009 (RDYNAMIC_SPEC): Define.
1010 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1012 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1014 * configure.ac: Determine Sun ld version numbers.
1015 (comdat_group): Restrict GNU ld version checks to gld.
1016 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1017 (enable_comdat): Support --enable-comdat.
1018 * configure: Regenerate.
1019 * doc/install.texi (Configuration): Document --enable-comdat.
1021 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1023 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
1024 * config/sol2-gld.h: ... here.
1025 * config.gcc (sparc*-*-solaris2*): Reflect this.
1026 (i[34567]86-*-solaris2*): Use it.
1028 2010-04-09 Steve Ellcey <sje@cup.hp.com>
1030 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1032 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1034 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1037 * diagnostic.c (diagnostic_initialize): Initialize
1038 some_warnings_are_errors.
1039 (diagnostic_finish): New.
1040 (diagnostic_action_after_output): Call it before exiting.
1041 (diagnostic_report_diagnostic): Do not print message here. Set
1042 some_warnings_are_errors.
1043 * diagnostic.h (diagnostic_context): Delete
1044 issue_warnings_are_errors_message. Add some_warnings_are_errors.
1045 (diagnostic_finish): Declare.
1046 * toplev.c (toplev_main): Call it before exit.
1048 2010-04-09 Jason Merrill <jason@redhat.com>
1051 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1052 for incomplete type.
1055 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1056 based on a warning flag.
1058 2010-04-09 Richard Guenther <rguenther@suse.de>
1060 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1062 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
1065 * varasm.c (default_assemble_visibility): Wrap vars that are
1066 set, but unused, by targets without GAS.
1067 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1068 Remove set, but unused, vars.
1069 (rs6000_legitimize_tls_address): Likewise.
1070 (altivec_expand_dst_builtin): Likewise.
1071 * config/darwin.c (machopic_classify_symbol): Likewise.
1072 (machopic_indirection_name): Likewise.
1074 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1076 * config/i386/i386.md (DWI): New mode iterator.
1077 (S): New mode attribute.
1078 (shift_operand): Ditto.
1079 (shift_immediate_operand): Ditto.
1080 (ashl_input_operand): Ditto.
1081 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1082 using SDWIM mode iterator.
1083 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
1084 pattern from *ashl{di,ti}3_1 and corresponding splitters using
1086 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1087 from corresponding peephole2 patterns.
1088 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1089 and x86_64_shift_adj_1 using SWI48 mode iterator.
1090 (x86_shift<mode>_adj_2): Ditto.
1091 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1092 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1093 using SWI48 mode iterator.
1094 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1095 *ashldi3_cmp_rex64 using SWI mode iterator.
1096 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1097 *ashldi3_cconly_rex64 using SWI mode iterator.
1098 * config/i386/i386.c (ix86_split_ashl): Update for renamed
1099 x86_shift<mode>_adj_{1,2}.
1100 (ix86_split_ashr): Ditto.
1101 (ix86_split_lshr): Ditto.
1103 2010-04-09 Richard Guenther <rguenther@suse.de>
1105 * target.h (builtin_conversion): Pass in input and output types.
1106 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1107 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1108 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1109 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1111 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1113 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1115 2010-04-09 Richard Guenther <rguenther@suse.de>
1118 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1120 2010-04-09 Richard Guenther <rguenther@suse.de>
1122 * tree-vectorizer.h (struct _stmt_vec_info): Document
1123 that vectype is the type of the LHS.
1124 (supportable_widening_operation, supportable_narrowing_operation):
1125 Get both input and output vector types as arguments.
1126 (vect_is_simple_use_1): Declare.
1127 (get_same_sized_vectype): Likewise.
1128 * tree-vect-loop.c (vect_determine_vectorization_factor):
1129 Set STMT_VINFO_VECTYPE to the vector type of the def.
1130 (vectorizable_reduction): Adjust.
1131 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1132 Adjust. Specify the output vector type.
1133 (vect_pattern_recog_1): Adjust.
1134 * tree-vect-stmts.c (get_same_sized_vectype): New function.
1135 (vectorizable_call): Adjust.
1136 (vectorizable_conversion): Likewise.
1137 (vectorizable_operation): Likewise.
1138 (vectorizable_type_demotion): Likewise.
1139 (vectorizable_type_promotion): Likewise.
1140 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1142 (vect_is_simple_use_1): New function.
1143 (supportable_widening_operation): Get both input and output
1145 (supportable_narrowing_operation): Likewise.
1146 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
1148 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
1150 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
1151 __thiscall and _thiscall as predefined macros.
1152 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
1153 thiscall attribute handling.
1154 (ix86_comp_type_attributes): Likewise.
1155 (ix86_function_regparm): Likewise.
1156 (ix86_return_pops_args): Likewise.
1157 (init_cumulative_args): Likewise.
1158 (find_drap_reg): Likewise.
1159 (ix86_static_chain): Likewise.
1160 (x86_this_parameter): Likewise.
1161 (x86_output_mi_thunk): Likewise.
1162 (ix86_attribute_table): Add description for thiscall attribute.
1163 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
1164 * doc/extend.texi: Add documentation for thiscall.
1166 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1169 * c.opt (Wint-to-pointer-cast): Available in C++.
1170 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
1172 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
1174 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
1175 * calls.c (expand_call): Pass the function type to aggregate_value_p.
1176 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
1177 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
1178 function type instead. Reorder and simplify checks.
1180 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
1182 2010-04-08 Jing Yu <jingyu@google.com>
1183 Zdenek Dvorak <ook@ucw.cz>
1185 PR tree-optimization/42720
1186 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
1187 loop unswitch conditions here from ...
1188 (tree_unswitch_single_loop): ... here.
1190 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
1192 * tree-if-conv.c: Fix comments and simplify logic.
1194 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
1196 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
1197 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
1198 (main_tree_if_conversion): Update call to tree_if_conversion.
1200 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
1203 * doc/invoke.texi (-b,-V): Delete.
1204 * doc/tm.texi: Do not mention -b.
1205 * gcc.c (display_help): Delete -b and -V.
1206 (process_command): Delete -b and -V.
1207 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
1209 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
1210 Wolfgang Gellerich <gellerich@de.ibm.com>
1212 Implement target hook for loop unrolling
1213 * target.h (loop_unroll_adjust): Add a new target hook function.
1214 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
1215 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
1216 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
1217 (s390_loop_unroll_adjust): Implement the new target hook for s390.
1218 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
1220 (decide_unroll_stupid): Likewise.
1222 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1225 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
1227 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1229 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
1230 (Specific, *-*-solaris2*): Likewise.
1231 Don't prefer Sun as over GNU as.
1233 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
1235 * config/s390/s390.c (override_options): Adjust the z10
1236 defaults for max-unroll-times, max-completely-peeled-insns
1237 and max-completely-peel-times.
1239 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1241 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
1242 instructions for z10.
1243 (s390_expand_setmem): Likewise.
1244 (s390_expand_cmpmem): Likewise.
1246 2010-04-08 Richard Guenther <rguenther@suse.de>
1248 PR tree-optimization/43679
1249 * tree-ssa-pre.c (eliminate): Only propagate copies.
1251 2010-04-08 Jakub Jelinek <jakub@redhat.com>
1254 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
1255 set but not used variable warning.
1257 2010-04-08 Wei Guozhi <carrot@google.com>
1260 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
1261 (arm_size_rtx_costs): Call the new function when optimized for size.
1263 2010-04-08 Jakub Jelinek <jakub@redhat.com>
1266 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
1267 op0 is not a MEM, just return NULL instead of assertion
1269 (discover_nonconstant_array_refs): Don't walk debug stmts.
1271 2010-04-08 Doug Kwan <dougkwan@google.com>
1273 * configure.ac: Recognize gold and do not use its version number
1274 to test ld features.
1275 * configure: Regenerate.
1277 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
1280 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
1281 (negate_value): Move code to push elements to broken_up_substracts ...
1282 (eliminate_plus_minus_pair): ... here. Push operands that have no
1283 negative pair to plus_negates.
1284 (repropagate_negates, init_reassoc, fini_reassoc): Update.
1286 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1288 * doc/install.texi (Configuration): Move description of
1289 --enable-lto, --with-libelf*, --enable-gold from Java section to
1292 * doc/generic.texi (Working with declarations)
1293 (Function Properties, C and C++ Trees): Fix typos.
1294 * doc/sourcebuild.texi (Top Level): Likewise.
1296 2010-04-07 Jakub Jelinek <jakub@redhat.com>
1299 * tree.h (DECL_READ_P): Define.
1300 (struct tree_decl_common): Add decl_read_flag.
1301 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
1302 a set but not used warning.
1303 (merge_decls): Merge DECL_READ_P flag.
1304 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
1305 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
1306 * c-common.c (handle_used_attribute, handle_unused_attribute):
1308 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
1310 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
1312 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
1313 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
1314 c_parser_binary_expression, c_parser_cast_expression,
1315 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
1316 Call default_function_array_read_conversion instead of
1317 default_function_array_conversion where needed.
1318 (c_parser_unary_expression, c_parser_conditional_expression,
1319 c_parser_postfix_expression_after_primary, c_parser_initelt):
1320 Likewise. Call mark_exp_read where needed.
1321 (c_parser_statement_after_labels, c_parser_asm_operands,
1322 c_parser_typeof_specifier, c_parser_sizeof_expression,
1323 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
1325 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
1327 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
1328 (warn_unused_but_set_parameter): Default to warn_unused
1330 * doc/invoke.texi: Document -Wunused-but-set-variable and
1331 -Wunused-but-set-parameter.
1333 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
1334 used count variable.
1335 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
1336 when operandN variables aren't used in the body of the expander
1338 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
1339 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
1340 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
1341 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
1342 FOR_EACH_IMM_USE_ON_STMT): Likewise.
1343 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
1344 * tree.c (PROCESS_ARG): Likewise.
1346 2010-04-07 Simon Baldwin <simonb@google.com>
1348 * diagnostic.h (diagnostic_override_option_index): New macro to
1349 set a diagnostic's option_index.
1350 * c-tree.h (c_cpp_error): Add warning reason argument.
1351 * opts.c (_warning_as_error_callback): New.
1352 (register_warning_as_error_callback): Store callback for
1353 warnings enabled via enable_warning_as_error.
1354 (enable_warning_as_error): Call callback, minor code tidy.
1355 * opts.h (register_warning_as_error_callback): Declare.
1356 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
1357 response to -Werror=.
1358 (c_common_init_options): Register warning_as_error_callback in opts.c.
1359 * common.opt: Add -Wno-cpp option.
1360 * c-common.c (struct reason_option_codes_t): Map cpp warning
1361 reason codes to gcc option indexes.
1362 * (c_option_controlling_cpp_error): New function, lookup the gcc
1363 option index for a cpp warning reason code.
1364 * (c_cpp_error): Add warning reason argument, call
1365 c_option_controlling_cpp_error for diagnostic_override_option_index.
1366 * doc/invoke.texi: Document -Wno-cpp.
1368 2010-04-07 Richard Guenther <rguenther@suse.de>
1370 * ipa-reference.c (mark_load): Use get_base_address.
1371 (mark_store): Likewise.
1373 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
1374 inserting GIMPLE_NOPs into the IL.
1375 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1376 Explicitly strip handled components and indirect references.
1378 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
1379 folding address expressions.
1380 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
1381 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
1382 operand_equal_p to compare decls.
1383 (ptr_deref_may_alias_decl_p): Likewise.
1384 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
1385 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
1386 Handle reversed comparison ops.
1387 * tree-sra.c (asm_visit_addr): Use get_base_address.
1388 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
1389 * ipa-reference.c (mark_address): Use get_base_address.
1391 2010-04-07 Richard Guenther <rguenther@suse.de>
1393 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
1394 Propagate constants everywhere.
1396 2010-04-07 Jakub Jelinek <jakub@redhat.com>
1399 * tree.c (MAX_INT_CACHED_PREC): Define.
1400 (nonstandard_integer_type_cache): New array.
1401 (build_nonstandard_integer_type): Cache results for precision
1402 <= MAX_INT_CACHED_PREC.
1404 2010-04-07 Richard Guenther <rguenther@suse.de>
1406 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
1407 -fargument-noalias-global, -fargument-noalias-anything): Remove.
1408 * common.opt: Likewise.
1409 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
1410 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
1411 (nonoverlapping_memrefs_p): Likewise.
1412 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1413 * opts.c (common_handle_option): Handle OPT_fargument_alias,
1414 OPT_fargument_noalias, OPT_fargument_noalias_anything and
1415 OPT_fargument_noalias_global for backward compatibility.
1417 2010-04-07 Richard Guenther <rguenther@suse.de>
1419 PR tree-optimization/43270
1420 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
1421 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
1422 * tree-ssa-pre.c (phi_translate_1): Adjust.
1423 (fully_constant_expression): Split out vn_reference handling to ...
1424 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
1425 Fold reads from constant strings.
1426 (vn_reference_lookup): Handle fully constant references.
1427 (vn_reference_lookup_pieces): Likewise.
1428 * Makefile.in (expmed.o-warn): Add -Wno-error.
1430 2010-04-07 Martin Jambor <mjambor@suse.cz>
1432 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
1434 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
1437 * gcc.c: Add -static-libstdc++ to list of recognized options.
1439 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1441 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
1443 2010-04-07 Richard Guenther <rguenther@suse.de>
1446 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
1447 bases build simple mem attributes to retain points-to information.
1449 2010-04-07 Richard Guenther <rguenther@suse.de>
1452 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
1453 preserve points-to related information.
1455 2010-04-07 Richard Guenther <rguenther@suse.de>
1458 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
1459 discard plain indirect references.
1460 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
1461 * tree.c (tree_nop_conversion): Likewise.
1463 2010-04-07 Dodji Seketeli <dodji@redhat.com>
1466 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
1468 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
1470 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
1471 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
1473 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1475 * tree-if-conv.c: Fix indentation and comments.
1477 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1479 * tree-if-conv.c: Sort static functions in topological order.
1481 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1483 * tree-if-conv.c: Fix indentation and comments.
1485 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1488 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1489 lang_hooks.types.type_for_size instead of
1490 build_nonstandard_integer_type.
1491 When converting an unsigned type to signed, double its precision.
1492 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
1493 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
1494 (graphite_create_new_loop_guard): When ub + 1 wraps around,
1497 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1500 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1501 POINTER_PLUS_EXPR for pointer types.
1503 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1506 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
1507 * graphite-clast-to-gimple.c: Include langhooks.h.
1508 (max_signed_precision_type): New.
1509 (max_precision_type): Takes two types as arguments.
1510 (precision_for_value): New.
1511 (precision_for_interval): New.
1512 (gcc_type_for_interval): New.
1513 (gcc_type_for_value): New.
1514 (gcc_type_for_clast_term): New.
1515 (gcc_type_for_clast_red): New.
1516 (gcc_type_for_clast_bin): New.
1517 (gcc_type_for_clast_expr): Split up into several functions.
1518 (gcc_type_for_clast_eq): Rewritten.
1519 (compute_bounds_for_level): New.
1520 (compute_type_for_level_1): New.
1521 (compute_type_for_level): New.
1522 (gcc_type_for_cloog_iv): Removed.
1523 (gcc_type_for_iv_of_clast_loop): Rewritten.
1524 (graphite_create_new_loop): Compute the lower and upper bound types
1525 with gcc_type_for_clast_expr.
1526 (graphite_create_new_loop_guard): Same.
1527 (find_cloog_iv_in_expr): Removed.
1528 (compute_cloog_iv_types_1): Removed.
1529 (compute_cloog_iv_types): Removed.
1530 (gloog): Do not call compute_cloog_iv_types.
1531 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
1533 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
1534 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
1535 (GBB_CLOOG_IV_TYPES): Removed.
1537 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1539 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
1540 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
1541 (detect_commutative_reduction): Same.
1543 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1545 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
1546 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
1548 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
1549 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
1550 (rewrite_commutative_reductions_out_of_ssa): Same.
1551 * passes.c (execute_function_todo): Call verify_ssa for every pass
1552 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
1553 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
1554 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
1555 with an extra argument.
1556 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
1557 verify_ssa only when the extra argument is true.
1558 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
1559 with an extra argument.
1560 (tree_transform_and_unroll_loop): Same.
1562 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1564 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
1565 for all the passes of the LNO having LOOP_CLOSED_SSA.
1566 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
1567 * tree-loop-distribution.c (pass_loop_distribution): Same.
1568 * tree-pass.h (TODO_verify_loops): Removed.
1569 * tree-ssa-loop.c (pass_tree_loop_init): Same.
1571 (pass_tree_unswitch): Same.
1572 (pass_predcom): Same.
1573 (pass_vectorize): Same.
1574 (pass_linear_transform): Same.
1575 (pass_graphite_transforms): Same.
1576 (pass_iv_canon): Same.
1577 (pass_complete_unroll): Same.
1578 (pass_complete_unrolli): Same.
1579 (pass_parallelize_loops): Same.
1580 (pass_loop_prefetch): Same.
1581 (pass_iv_optimize): Same.
1583 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
1586 * passes.c (init_optimization_passes): Move pass_lim before
1587 pass_copy_prop and pass_dce_loop.
1589 2010-04-06 Jakub Jelinek <jakub@redhat.com>
1592 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
1593 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
1594 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
1595 MULTI_* defines for 4 argument vpermil2p* builtins.
1597 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
1599 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
1600 * config/i386/i386.c (x86_maybe_negate_const_int): New.
1601 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
1602 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
1603 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
1604 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
1605 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
1606 Use x86_maybe_negate_const_int to output insn mnemonic.
1607 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
1608 check from instruction predicate. Update comments.
1609 * config/i386/sync.md (sync_add<mode>): Use
1610 x86_maybe_negate_const_int to output insn mnemonic.
1612 2010-04-06 Jan Hubicka <jh@suse.cz>
1614 PR tree-optimization/42906
1615 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
1616 IGNORE_SELF argument. Set visited_control_parents for fully
1618 (find_obviously_necessary_stmts): Update call of
1619 mark_control_dependent_edges_necessary.
1620 (propagate_necessity): Likewise. Handle PHI edges more curefully.
1622 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
1624 * config/i386/i386.md: Remove comment about 'e' and 'E'
1627 2010-04-06 Richard Guenther <rguenther@suse.de>
1629 PR tree-optimization/43627
1630 * tree-vrp.c (extract_range_from_unary_expr): Widenings
1631 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
1634 2010-04-06 Jakub Jelinek <jakub@redhat.com>
1636 * BASE-VER: Change to 4.6.0.
1639 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
1642 2010-04-06 Richard Guenther <rguenther@suse.de>
1645 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
1647 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1649 * doc/invoke.texi (Optimize Options): Document that LTO
1650 won't remove object access purely due to incompatible
1653 2010-04-04 Matthias Klose <doko@ubuntu.com>
1655 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
1656 Initialize variable.
1658 2010-04-03 Richard Guenther <rguenther@suse.de>
1661 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
1662 require a non-NULL MEM_OFFSET.
1664 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
1666 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
1667 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
1668 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
1669 config/alpha/predicates.md, config/arm/arm.md,
1670 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
1671 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
1672 config/darwin9.h, config/darwin.c, config/darwin.h,
1673 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
1674 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
1675 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
1676 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
1677 config/mips/mips.md, config/mn10300/mn10300.c,
1678 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
1679 config/rs6000/aix.h, config/rs6000/dfp.md,
1680 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
1681 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
1682 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
1683 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
1684 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
1685 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
1686 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
1687 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
1688 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
1689 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
1690 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
1691 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
1692 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
1693 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
1694 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
1695 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
1696 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
1697 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
1698 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
1699 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
1700 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
1701 opt-functions.awk, opth-gen.awk, params.def, passes.c,
1702 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
1703 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
1704 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
1705 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
1706 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
1707 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
1708 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
1709 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
1710 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
1711 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
1712 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
1713 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
1714 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
1715 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
1717 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1720 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
1721 * aclocal.m4: Regenerate.
1723 2010-04-02 Richard Guenther <rguenther@suse.de>
1725 PR tree-optimization/43629
1726 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
1727 if we have seen a constant value.
1729 2010-04-02 Joseph Myers <joseph@codesourcery.com>
1731 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
1733 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
1736 * arm.c (legitimize_tls_address): Adjust call to
1737 gen_tls_load_dot_plus_four.
1738 (arm_note_pic_base): New function.
1739 (arm_cannot_copy_insn_p): Use it.
1740 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
1743 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1748 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1750 * Makefile.in ($(out_object_file)): Depend on
1751 gt-$(basename $(notdir $(out_file))).h.
1753 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
1755 * config.gcc (lm32-*-rtems*): Add t-lm32.
1757 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
1759 * config.gcc: Add lm32-*-rtems*.
1760 * config/lm32/rtems.h: New file.
1762 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
1765 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
1767 2010-04-01 Jakub Jelinek <jakub@redhat.com>
1769 * dwarf2out.c (output_compilation_unit_header): For
1770 -gdwarf-4 use version 4 instead of version 3.
1771 (output_line_info): For version 4 and above emit additional
1772 maximum ops per insn header field.
1773 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
1775 * dwarf2out.c (is_c_family, is_java): Remove.
1776 (lower_bound_default): New function.
1777 (add_bound_info, gen_descr_array_type_die): Use it.
1779 2010-04-01 Dodji Seketeli <dodji@redhat.com>
1782 * dwarf2out.c (gen_variable_die): Allow debug info for variable
1783 re-declaration when it happens in a function.
1785 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
1787 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
1788 (cgraph_remove_function_insertion_hook): Same.
1789 (cgraph_call_function_insertion_hooks): Same.
1791 2010-04-01 Richard Guenther <rguenther@suse.de>
1794 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
1795 and TREE_THIS_VOLATILE.
1796 (copy_ref_info): Likewise.
1797 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
1798 * tree.c (build6_stat): Ignore side-effects of all but arg5
1799 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
1802 2010-04-01 Richard Guenther <rguenther@suse.de>
1804 PR tree-optimization/43607
1805 * ipa-type-escape.c (check_call): Do not access non-existing
1808 2010-04-01 Richard Guenther <rguenther@suse.de>
1812 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
1813 Jack Howarth <howarth@bromo.med.uc.edu>
1815 * tree-profile.c (tree_init_ic_make_global_vars): Make static
1818 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1820 * doc/install.texi (Prerequisites): Document libelf usability on
1821 IRIX 5/6 and Solaris 2.
1822 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
1823 Update GNU as, GNU ld requirements.
1824 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
1825 Document Sun Studio compiler download.
1826 Update and simplify as, ld recommendations.
1827 (Specific, *-*-solaris2.7): Note obsoletion, removal.
1829 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1831 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
1832 with_tune_32 to pentium4.
1834 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
1836 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
1838 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1840 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
1841 obsoletion, removal.
1843 Document GNU as requirement.
1844 Update configure requirements.
1845 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
1846 Recomment IRIX 6.5.18+.
1847 Document IDF/IDL requirement.
1848 Document GNU as requirement.
1849 Document GNU ld bootstrap failure.
1850 Remove freeware.sgi.com reference.
1852 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1854 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
1855 UNIX V4.0, V5.0 obsoletion, removal.
1856 Remove --with-gc=simple reference.
1857 Update VM requirements during bootstrap.
1858 Remove -oldas bootstrap description.
1859 Update binutils reference.
1860 Remove comparison failure note.
1862 2010-03-31 Richard Guenther <rguenther@suse.de>
1863 Zdenek Dvorak <ook@ucw.cz>
1864 Sebastian Pop <sebastian.pop@amd.com>
1867 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
1868 with multiple arguments.
1869 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
1871 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
1873 * graphite-dependences.c (print_pddr): Call print_pdr with an
1875 * graphite-poly.c (debug_pdr): Add an extra argument for the
1878 (print_pbb_domain): Same.
1880 (print_scop_context): Same.
1882 (print_cloog): Same.
1883 (debug_pbb_domain): Same.
1887 (debug_scop_context): Same.
1889 (debug_cloog): Same.
1890 (print_scop_params): Same.
1891 (debug_scop_params): Same.
1892 (print_iteration_domain): Same.
1893 (print_iteration_domains): Same.
1894 (debug_iteration_domain): Same.
1895 (debug_iteration_domains): Same.
1896 (print_scattering_function): Same.
1897 (print_scattering_functions): Same.
1898 (debug_scattering_function): Same.
1899 (debug_scattering_functions): Same.
1900 * graphite-poly.h (debug_pdr): Update declaration.
1902 (print_pbb_domain): Same.
1904 (print_scop_context): Same.
1906 (print_cloog): Same.
1907 (debug_pbb_domain): Same.
1911 (debug_scop_context): Same.
1913 (debug_cloog): Same.
1914 (print_scop_params): Same.
1915 (debug_scop_params): Same.
1916 (print_iteration_domain): Same.
1917 (print_iteration_domains): Same.
1918 (debug_iteration_domain): Same.
1919 (debug_iteration_domains): Same.
1920 (print_scattering_function): Same.
1921 (print_scattering_functions): Same.
1922 (debug_scattering_function): Same.
1923 (debug_scattering_functions): Same.
1925 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
1927 * graphite-poly.c (print_scattering_function_1): New.
1928 (print_scattering_function): Call it.
1929 (print_scop_params): Remove spaces at the end of lines.
1932 * graphite-poly.h (print_cloog): Declared.
1933 (debug_cloog): Declared.
1935 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
1937 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
1939 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
1940 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
1941 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
1942 to switch between adding the IV bump in loop->latch or in loop->header.
1944 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
1946 * graphite-poly.c (print_scattering_function): Pretty print following
1949 (print_pbb_domain): Same.
1950 (dump_gbb_cases): Same.
1951 (dump_gbb_conditions): Same.
1954 (print_scop_params): Same.
1955 (print_scop_context): Same.
1957 (print_pbb_body): New.
1958 (lst_indent_to): New.
1959 (print_lst): Start new lines with a #.
1960 * graphite-poly.h (pbb_bb): New.
1961 (pbb_index): Use pbb_bb.
1962 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
1964 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
1966 2010-03-31 Jakub Jelinek <jakub@redhat.com>
1968 * dwarf2out.c (size_of_die): For -gdwarf-4 use
1969 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
1970 and 0 instead of 1 for dw_val_class_flag.
1971 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
1972 dw_val_class_range_list, dw_val_class_loc_list,
1973 dw_val_class_lineptr and dw_val_class_macptr, use
1974 DW_FORM_flag_present for dw_val_class_flag and
1975 DW_FORM_exprloc for dw_val_class_loc.
1976 (output_die): For -gdwarf-4 print dw_val_class_loc
1977 size as uleb128 instead of 1 or 2 bytes and don't print
1978 anything for dw_val_class_flag.
1980 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
1981 instead of cselib_lookup following by tweaking locs->setting_insn.
1984 * cselib.c (cselib_process_insn): Clear cselib_current_insn
1985 even before returning from label, setjmp call or volatile asm
1988 2010-03-31 Richard Guenther <rguenther@suse.de>
1991 * cgraphunit.c (cgraph_output_in_order): Do not allocate
1992 temporary data on stack.
1994 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1996 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
1997 (PUSHSECTION_ASM_OP): Remove.
1998 (POPSECTION_ASM_OP): Remove.
1999 (PUSHSECTION_FORMAT): Remove.
2000 * config/sol2.h (PUSHSECTION_FORMAT): Define.
2001 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2002 * config/sol2.c (solaris_output_init_fini): Use it.
2004 2010-03-31 Jie Zhang <jie@codesourcery.com>
2007 * opt-functions.awk (var_type_struct): Use signed char type
2008 for simple variables.
2010 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2012 * config/sol2.c: Include output.h.
2013 (solaris_assemble_visibility): New function.
2014 * config/t-sol2 (sol2.o): Add output.h dependency.
2015 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2016 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2019 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2022 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2023 V2SImode or XFmode on PRE_DEC.
2026 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2029 2010-03-31 Jie Zhang <jie@codesourcery.com>
2032 * reload.h (caller_save_initialized_p): Declare.
2033 * toplev.c (backend_init_target): Don't call
2034 init_caller_save but set caller_save_initialized_p to false.
2035 * caller-save.c (caller_save_initialized_p): Define.
2036 (init_caller_save): Check caller_save_initialized_p.
2037 * ira.c (ira): Call init_caller_save if flag_caller_saves.
2039 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2042 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2043 and soft-fp/t-softfp to tmake_file.
2044 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2045 (LIBGCC2_TF_CEXT): Define.
2048 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
2051 * cselib.c (n_useless_values): Document handling of debug locs.
2052 (n_useless_debug_values, n_debug_values): New variables.
2053 (new_elt_loc_list): Don't add to debug values, keep count.
2054 (promote_debug_loc): New.
2055 (cselib_reset_table): Zero new variables.
2056 (entry_and_rtx_equal_p): Promote debug locs.
2057 (discard_useless_locs): Increment n_useless_debug_values for
2059 (remove_useless_values): Adjust n_useless_values and n_debug_values
2060 with n_useless_debug_values.
2061 (add_mem_for_addr): Promote debug locs.
2062 (cselib_lookup_mem): Likewise.
2063 (cselib_lookup_addr): Renamed to...
2064 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
2065 (cselib_log_lookup): ... this. Turn into...
2066 (cselib_lookup_addr): ... new wrapper.
2067 (cselib_lookup_from_insn): New.
2068 (cselib_invalidate_regno): Increment n_useless_debug_values for
2070 (cselib_invalidate_mem): Likewise.
2071 (cselib_process_insn): Take n_deleted and n_debug_values into
2072 account to guard remove_useless_value call.
2073 (cselib_finish): Zero n_useless_debug_values.
2074 * cselib.h (cselib_lookup_from_insn): Declare.
2075 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2076 (sched_analyze_2): Likewise.
2078 2010-03-30 Jakub Jelinek <jakub@redhat.com>
2080 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2082 (adjust_mems): Replace narrowing SUBREG of expression containing
2083 just PLUS, MINUS, MULT and ASHIFT of registers and constants
2084 with operations in the narrower mode.
2087 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2088 regs_invalidated_by_call instead all call_used_reg_set registers.
2090 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
2093 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2094 pointer comparisons with types_compatible_p.
2095 * tree-vect-stmts.c (vectorizable_call): Same.
2096 (vectorizable_condition): Same.
2098 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2100 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2101 stack check if the mask would be zero.
2103 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2104 Jack Howarth <howarth@bromo.med.uc.edu>
2106 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2109 2010-03-30 Joseph Myers <joseph@codesourcery.com>
2112 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
2114 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2115 Include ___unordxf2 and ___unordtf2.
2116 * config/i386/libgcc-glibc.ver: Do not define inheritance from
2119 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
2121 * config/lm32/t-lm32: New file.
2122 * config.gcc: Use the above file when targetting lm32.
2124 2010-03-28 Duncan Sands <baldrick@free.fr>
2126 * Makefile.in (PLUGIN_HEADERS): Add except.h.
2128 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
2131 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2132 Improve vectorization cost model diagnostic.
2134 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
2137 * tree-vect-data-refs.c (vect_analyze_data_refs): When
2138 compute_data_dependences_for_loop returns false, early exit
2139 and output an extra diagnostic for the failed data reference
2142 2010-03-29 Richard Guenther <rguenther@suse.de>
2144 PR tree-optimization/43560
2145 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
2146 (can_sm_ref_p): Treat stores to readonly locations as trapping.
2148 2010-03-29 Jie Zhang <jie@codesourcery.com>
2151 * toplev.c (process_options): Set optimization_default_node
2152 and optimization_current_node.
2153 * opts.c (decode_options): Don't set optimization_default_node
2154 and optimization_current_node.
2156 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
2158 * config/rtems.h: Abandon -qrtems_debug.
2160 2010-03-28 Jan Hubicka <jh@suse.cz>
2162 PR tree-optimization/43505
2163 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
2164 map should not be copied.
2166 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2169 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
2170 cdtors, set DECL_PRESERVE_P.
2171 * ipa.c (cgraph_externally_visible_p): Return true if declaration
2174 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
2176 PR tree-optimization/43528
2177 * stor-layout.c (place_field): Check that constant fits into
2178 unsigned HWI when skipping calculation of MS bitfield layout.
2180 2010-03-27 Jan Hubicka <jh@suse.cz>
2183 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
2184 notice_global_symbol work.
2186 2010-03-27 Jakub Jelinek <jakub@redhat.com>
2188 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
2189 instead of dwarf2out_decl.
2190 (struct var_loc_node): Remove section_label field.
2191 (dwarf2out_function_decl): New function.
2192 (dwarf2out_var_location): Don't set section_label field.
2193 (dwarf2out_begin_function): Don't empty decl_loc_table here.
2195 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
2197 PR tree-optimization/43544
2198 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2199 First argument for builtin vectorized function hook is now a
2200 tree to be able to distinguish between machine specific and
2202 * targhooks.c (default_builtin_vectorized_function): Ditto.
2203 * targhooks.h (default_builtin_vectorized_function): Ditto.
2204 * target.h (struct gcc_target): Ditto.
2205 * tree-vect-stmts.c (vectorizable_function): Ditto.
2206 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
2207 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2210 2010-03-26 Joseph Myers <joseph@codesourcery.com>
2213 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
2214 nested binding iff it is a FUNCTION_DECL.
2215 (store_parm_decls_newstyle): Pass nested=true to bind for
2216 FUNCTION_DECLs amongst parameters.
2218 2010-03-26 Jakub Jelinek <jakub@redhat.com>
2220 * var-tracking.c (vt_expand_loc_callback): Don't run
2221 cselib_expand_value_rtx_cb in dummy mode if
2222 cselib_dummy_expand_value_rtx_cb returned false.
2224 * var-tracking.c (emit_note_insn_var_location): For one part
2225 notes with offset 0, don't add EXPR_LIST around the location.
2226 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
2227 add_location_or_const_value_attribute): Adjust for that change.
2230 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
2231 into first operand and location into second.
2232 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
2233 dw_cfi_oprnd_loc for DW_CFA_expression.
2234 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
2235 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
2236 assume first argument is regnum and second argument is location.
2238 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
2241 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
2242 of scratch register to DImode. Split to DImode comparison operator.
2243 Use SImode subreg of scratch register in the multiplication.
2244 (*cmp_sadd_sidi): Ditto.
2245 (*cmp_ssub_si): Ditto.
2246 (*cmp_ssub_sidi): Ditto.
2248 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
2251 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
2252 Remove invalid assert and wrong comment.
2254 2010-03-26 Jakub Jelinek <jakub@redhat.com>
2257 * flags.h (final_insns_dump_p): New extern.
2258 * final.c (final_insns_dump_p): New variable.
2259 (rest_of_clean_state): Set it before -fdump-final-insns=
2260 dumping, clear afterwards.
2261 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
2262 MEM_ALIAS_SET on MEMs.
2264 2010-03-26 David S. Miller <davem@davemloft.net>
2266 * configure.ac: Fix sparc GOTDATA_OP bug check.
2267 * configure: Rebuild.
2269 2010-03-26 Alan Modra <amodra@gmail.com>
2271 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
2273 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2275 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
2276 TLS_SECTION_ASM_FLAG.
2278 2010-03-25 Jakub Jelinek <jakub@redhat.com>
2281 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
2282 Clear first_function_block_is_cold.
2285 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
2286 argument if the argument is truth_value_p.
2288 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
2290 * config/rs6000/constraints.md: Update copyright year for my changes.
2293 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
2294 used in reg+reg addressing, swap registers.
2296 2010-03-24 Jakub Jelinek <jakub@redhat.com>
2299 * target.h (struct gcc_target): Add code_end hook.
2300 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
2302 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
2303 * toplev.c (compile_file): Call targetm.asm_out.code_end
2304 hook before unwind info/debug info output.
2305 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
2306 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
2307 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2308 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
2309 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2310 * config/i386/i386.c (ix86_file_end): Renamed to...
2311 (ix86_code_end): ... this. Make static. Don't call
2312 file_end_indicate_exec_stack. Emit unwind info using
2313 final_start_function/final_end_function.
2314 (darwin_x86_file_end): Remove.
2315 (TARGET_ASM_CODE_END): Define.
2316 * config/i386/i386.h (TARGET_ASM_FILE_END,
2317 NEED_INDICATE_EXEC_STACK): Don't define.
2318 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
2319 (TARGET_ASM_FILE_END): Define to darwin_file_end.
2320 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
2321 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
2324 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
2325 at the beginning and final_end_function at the end.
2326 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2328 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2330 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
2331 and Sun as TLS syntax.
2332 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
2333 * configure: Regenerate.
2334 * config.in: Regenerate.
2335 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
2336 (default_elf_asm_named_section): Use it.
2337 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
2338 (i386_output_dwarf_dtprel): Likewise.
2339 (output_addr_const_extra): Likewise.
2340 (output_pic_addr_const): Lowercase @GOTTPOFF.
2341 (output_addr_const_extra): Likewise.
2342 (output_pic_addr_const): Lowercase @GOTNTPOFF.
2343 (output_addr_const_extra): Likewise.
2344 (output_pic_addr_const): Lowercase @INDNTPOFF.
2345 (output_addr_const_extra): Likewise.
2346 (output_pic_addr_const): Lowercase @NTPOFF.
2347 (output_addr_const_extra): Likewise.
2348 (output_pic_addr_const): Lowercase @TPOFF.
2349 (output_addr_const_extra): Likewise.
2350 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
2351 (*tls_global_dynamic_64): Likewise.
2352 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
2353 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
2355 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
2356 (ASM_OUTPUT_TLS_COMMON): Use it.
2357 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
2360 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
2361 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
2362 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
2363 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
2364 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2365 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
2367 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2369 * config/i386/i386.c (override_options): Don't accept
2370 -mtls-dialect=sun any longer.
2371 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
2372 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
2373 (*tls_local_dynamic_base_32_sun): Likewise.
2374 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2376 2010-03-24 Jakub Jelinek <jakub@redhat.com>
2379 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
2380 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
2383 * ira.c (adjust_cleared_regs): New function.
2384 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
2388 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
2390 * expr.c (expand_expr_real): Restore previous
2391 curr_insn_source_location and curr_insn_block after
2392 expand_expr_real_1 call.
2393 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
2394 instead of expand_expr_real_1.
2396 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
2398 PR rtl-optimization/43413
2399 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
2402 2010-03-22 James E. Wilson <wilson@codesourcery.com>
2405 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
2406 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
2408 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
2410 * config/i386/i386.c (ix86_target_string): Add -mfma.
2411 Fix a typo in comment.
2413 2010-03-22 Mike Stump <mikestump@comcast.net>
2416 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2417 Don't overly align based upon packed packed fields.
2419 2010-03-22 Jason Merrill <jason@redhat.com>
2421 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
2422 Use () rather than [], and move before the element type.
2424 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2426 * doc/configfiles.texi (Configuration Files): Removed
2427 fixinc/Makefile*, intl/Makefile.*.
2428 * doc/makefile.texi: Fixed markup. Abstract from version
2429 control system used.
2430 (Makefile): Removed obsolete gcc/java/parse.y example.
2431 * doc/sourcebuild.texi: Likewise.
2432 (Top Level): Added config, gnattools, libdecnumber, libgcc,
2433 libgomp, libssp. Removed fastjar.
2434 (Miscellaneous Docs): Clarify location.
2435 Added COPYING3, COPYING3.LIB.
2436 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
2438 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2441 * config/i386/i386.c (x86_function_profiler)
2442 [!NO_PROFILE_COUNTERS]: Fix typo.
2443 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
2446 2010-03-22 Janis Johnson <janis187@us.ibm.com>
2447 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2449 * doc/sourcebuild.texi (Test Directives): Split into six
2450 subsections, with most of the current text in new subsections
2451 Directives, Selectors, and Final Actions.
2452 (Directives): Split list of test directives into multiple
2454 (Selectors): Describe use and syntax of selectors.
2455 (Effective-Target Keywords): Describe all existing keywords.
2456 (Add Options): Describe features for dg-add-options.
2457 (Require Support): Describe variants of dg-require-support.
2458 (Final Actions): Describe commands to use in dg-final.
2460 2010-03-22 Michael Matz <matz@suse.de>
2463 * recog.c (validate_replace_rtx_group): Replace also in
2464 REG_EQUAL and REG_EQUIV notes.
2466 2010-03-22 Richard Guenther <rguenther@suse.de>
2468 PR tree-optimization/43390
2469 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
2470 sure vector extracts are type correct.
2472 2010-03-22 Richard Guenther <rguenther@suse.de>
2475 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
2476 x * sqrt (x) even when optimizing for size if the target
2477 has native support for sqrt.
2479 2010-03-22 Jakub Jelinek <jakub@redhat.com>
2481 * varasm.c (make_decl_rtl_for_debug): Also clear
2482 flag_mudflap for the duration of make_decl_rtl call.
2485 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
2486 locs from preserved VALUEs.
2488 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2491 * pa.md (movmemsi): Set align to one if zero.
2492 (movmemdi): Likewise.
2494 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
2497 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
2498 with their corresponding prologue pushes.
2500 2010-03-20 Andrew Pinski <pinskia@gmail.com>
2503 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
2504 at the begining or end.
2505 (spu_expand_epilogue): Likewise.
2507 2010-03-20 Richard Guenther <rguenther@suse.de>
2509 PR rtl-optimization/43438
2510 * combine.c (make_extraction): Properly zero-/sign-extend an
2511 extraction of the low part of a CONST_INT. Also handle
2514 2010-03-19 Mike Stump <mikestump@comcast.net>
2516 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
2517 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
2518 (override_options): Use SUBTARGET32_DEFAULT_CPU.
2520 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
2523 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
2526 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
2528 PR rtl-optimization/42258
2529 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
2530 use that may match DEF.
2533 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
2534 the cost of loading the constant rather than assuming
2536 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
2537 outer code is AND, do the same tests as the andsi3 expander and
2538 return COSTS_N_INSNS (1) if and is cheap.
2540 * optabs.c (avoid_expensive_constant): Fix formatting.
2542 2010-03-19 Michael Matz <matz@suse.de>
2545 * attribs.c (decl_attributes): When rebuilding a function pointer
2546 type use the same qualifiers as the original pointer type.
2548 2010-03-19 Martin Jambor <mjambor@suse.cz>
2550 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
2551 and is_gimple_ip_invariant_address.
2553 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2556 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2558 * config/arm/arm.c (arm_override_options): Turn off
2559 flag_dwarf2_cfi_asm for AAPCS variants.
2561 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2564 * config/arm/arm.c (emit_multi_reg_push): Update comments.
2565 Use PRE_MODIFY instead of PRE_DEC.
2566 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
2567 (vfp_emit_fstmd): Likewise.
2569 2010-03-19 Michael Matz <matz@suse.de>
2572 * builtins.c (expand_builtin_interclass_mathfn,
2573 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
2576 2010-03-19 Richard Guenther <rguenther@suse.de>
2578 PR tree-optimization/43415
2579 * tree-ssa-pre.c (phi_translate): Split out worker to ...
2580 (phi_translate_1): ... this.
2581 (phi_translate): Move all caching here. Cache all NARY
2582 and REFERENCE translations.
2584 2010-03-19 David S. Miller <davem@davemloft.net>
2586 With help from Eric Botcazou.
2587 * config/sparc/sparc.c: Include dwarf2out.h.
2588 (emit_pic_helper): Delete.
2589 (pic_helper_symbol_name): Delete.
2590 (pic_helper_emitted_p): Delete.
2591 (pic_helper_needed): New.
2592 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
2593 (get_pc_thunk_name): New.
2594 (load_pic_register): Remove 'delay_pic_helper' arg. Use
2595 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
2596 Set pic_helper_needed to true. Don't call emit_pic_helper.
2597 (sparc_expand_prologue): Update load_pic_register call.
2598 (sparc_output_mi_thunk): Likewise.
2599 (sparc_file_end): Emit a hidden comdat symbol for the PIC
2600 thunk if possible. Output CFI information as needed.
2602 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
2603 Jack Howarth <howarth@bromo.med.uc.edu>
2606 * config/i386/i386.h: Fix ABI on darwin x86-32.
2608 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
2610 * tree.h: Declare make_decl_rtl_for_debug.
2611 * varasm.c (make_decl_rtl_for_debug): New.
2612 * dwarf2out.c (rtl_for_decl_location): Call it.
2613 * cfgexpand.c (expand_debug_expr): Call it.
2615 2010-03-18 Jakub Jelinek <jakub@redhat.com>
2618 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
2622 * var-tracking.c (vt_init_cfa_base): Do nothing if
2623 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
2625 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
2628 * var-tracking.c (canonicalize_vars_star): New.
2629 (dataflow_post_merge_adjust): Use it.
2631 2010-03-18 Jakub Jelinek <jakub@redhat.com>
2634 * var-tracking.c (non_suitable_const): New function.
2635 (add_uses): For DEBUG_INSNs with constants, don't record any
2636 value, instead just the constant value itself.
2637 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
2638 is not VAR_LOC_UNKNOWN_P, set var to the constant.
2639 (emit_notes_in_bb): Likewise.
2640 (emit_note_insn_var_location): For onepart variables if
2641 cur_loc is a VOIDmode constant, use DECL_MODE.
2643 2010-03-18 Martin Jambor <mjambor@suse.cz>
2646 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
2647 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
2648 all non-clones. Moved call redirection...
2649 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
2650 (cgraph_materialize_all_clones): Dispose of all
2651 combined_args_to_skip bitmaps.
2652 (verify_cgraph_node): Do not check for edges pointing to wrong
2653 nodes in inline clones.
2654 * tree-inline.c (copy_bb): Call
2655 cgraph_redirect_edge_call_stmt_to_callee.
2656 * ipa.c (cgraph_remove_unreachable_nodes): Call
2657 cgraph_node_remove_callees even when there are used clones.
2659 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
2661 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
2663 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
2666 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
2669 2010-03-18 Michael Matz <matz@suse.de>
2672 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
2673 into sqrt(x) if we need to preserve signed zeros.
2675 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
2676 Eric Botcazou <ebotcazou@adacore.com>
2678 PR rtl-optimization/43360
2679 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
2680 note if we don't know its invariant status.
2682 2010-03-18 Michael Matz <matz@suse.de>
2684 PR tree-optimization/43402
2685 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
2686 PHI chains of ssa names registered for update.
2688 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
2691 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
2692 non-offsettable and pre_modify update addressing.
2693 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
2694 and "2" alternatives "#".
2695 (*movdd_softfloat32): Make all alternatives "#";
2696 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
2697 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
2698 (*movdf_softfloat32): Make all alternatives "#";
2699 (movdi): Use the new DIFD mode iterator to create a common splitter
2700 for movdi, movdf and movdd patterns.
2702 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
2704 * common.opt (dumpdir): Remove redundant tab.
2706 2010-03-17 Martin Jambor <mjambor@suse.cz>
2708 PR tree-optimization/43347
2709 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
2710 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
2712 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
2714 PR rtl-optimization/42216
2715 * regrename.c (create_new_chain): New function, broken out from...
2716 (scan_rtx_reg): ... here. Call it. Handle the case where we are
2717 appending a use to an empty chain.
2718 (build_def_use): Remove previous changes that convert OP_INOUT to
2719 OP_OUT operands; instead detect the case where an OP_INOUT operand
2720 uses a previously untracked register and create an empty chain for it.
2722 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2724 * doc/extend.texi (Function Attributes): Rewrite unfinished
2725 sentence in ms_abi documentation.
2727 2010-03-17 Alan Modra <amodra@gmail.com>
2729 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
2730 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
2731 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
2732 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
2734 2010-03-16 Richard Henderson <rth@redhat.com>
2737 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
2738 (lower_try_finally): Save and restore eh_seq around the expansion
2741 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
2743 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
2744 statements before splitting block.
2746 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2748 * doc/sourcebuild.texi (Testsuites): Fix markup.
2749 Use pathnames relative to gcc/testsuite.
2750 (Test Directives): Move description of how timeout is determined.
2751 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
2752 (C Tests): Correct gcc.misc-tests directory.
2753 Framework tests now live in gcc.test-framework.
2755 2010-03-16 Richard Guenther <rguenther@suse.de>
2758 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
2759 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
2761 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
2762 Alexandre Oliva <aoliva@redhat.com>
2764 PR tree-optimization/42917
2765 * lambda-code.c (remove_iv): Skip debug statements.
2766 (lambda_loopnest_to_gcc_loopnest): Likewise.
2767 (not_interesting_stmt): Debug statements are not interesting.
2769 2010-03-16 Jakub Jelinek <jakub@redhat.com>
2773 * cselib.c (cselib_preserve_constants,
2774 cfa_base_preserved_val): New static variables.
2775 (preserve_only_constants): New function.
2776 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
2777 clear its REG_VALUES. If cselib_preserve_constants, don't
2778 empty the whole hash table, but preserve there VALUEs with constants,
2779 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
2780 (cselib_preserve_cfa_base_value): New function.
2781 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
2782 (cselib_init): Change argument to int bitfield. Set
2783 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
2785 (cselib_finish): Clear cselib_preserve_constants and
2786 cfa_base_preserved_val.
2787 * cselib.h (enum cselib_record_what): New enum.
2788 (cselib_init): Change argument to int.
2789 (cselib_preserve_cfa_base_value): New prototype.
2790 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
2791 * dse.c (dse_step1): Likewise.
2792 * cfgcleanup.c (thread_jump): Likewise.
2793 * sched-deps.c (sched_analyze): Likewise.
2794 * gcse.c (local_cprop_pass): Likewise.
2795 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
2796 If FN is non-NULL, call the callback always and whenever it returns
2797 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
2798 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
2799 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
2800 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
2801 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
2802 * var-tracking.c: Include recog.h.
2803 (bb_stack_adjust_offset): Remove.
2804 (vt_stack_adjustments): Don't call it, instead just gather the
2805 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
2806 (adjust_stack_reference): Remove.
2807 (compute_cfa_pointer): New function.
2808 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
2809 (struct adjust_mem_data): New type.
2810 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
2812 (get_address_mode): New function.
2813 (replace_expr_with_values): Use it.
2814 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
2815 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
2816 (adjust_sets): Remove.
2817 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
2818 Use get_address_mode.
2819 (get_adjusted_src): Remove.
2820 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
2821 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
2822 (add_with_sets): Don't call adjust_sets.
2823 (fp_setter, vt_init_cfa_base): New functions.
2824 (vt_initialize): Change return type to bool. Move most of pool etc.
2825 initialization to the beginning of the function from end. Pass
2826 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
2827 If !frame_pointer_needed, call vt_stack_adjustment before mos
2828 vector is filled, call vt_init_cfa_base if argp/framep has been
2829 eliminated to sp. If frame_pointer_needed and argp/framep has
2830 been eliminated to hard frame pointer, set
2831 hard_frame_pointer_adjustment and call vt_init_cfa_base after
2832 encountering fp setter in the prologue. For MO_ADJUST, call
2833 log_op_type before pusing the op into mos vector, not afterwards.
2834 Call adjust_insn before cselib_process_insn/add_with_sets,
2835 call cancel_changes (0) afterwards.
2836 (variable_tracking_main_1): Adjust for vt_initialize calling
2837 vt_stack_adjustments and returning whether it succeeded or not.
2839 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
2841 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
2844 2010-03-15 Jakub Jelinek <jakub@redhat.com>
2846 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
2848 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
2849 drap_reg has not been set.
2851 2010-03-15 Michael Matz <matz@suse.de>
2854 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
2855 use it to expand block copies.
2856 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
2857 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
2858 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
2860 2010-03-15 Richard Guenther <rguenther@suse.de>
2862 PR tree-optimization/43367
2863 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
2866 2010-03-15 Richard Guenther <rguenther@suse.de>
2868 PR tree-optimization/43317
2869 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
2871 2010-03-15 Martin Jambor <mjambor@suse.cz>
2873 PR tree-optimization/43141
2874 * tree-sra.c (create_abstract_origin): New function.
2875 (modify_function): Call create_abstract_origin.
2877 2010-03-15 Chris Demetriou <cgd@google.com>
2879 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
2882 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2885 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
2886 call insert_out_of_ssa_copy for default definitions.
2888 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2890 * graphite-clast-to-gimple.c (my_long_long): Defined.
2891 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
2892 * graphite-sese-to-poly.c (my_long_long): Defined.
2893 (scop_ivs_can_be_represented): Use it.
2895 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2897 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
2898 graphite-max-bbs-per-function, and loop-block-tile-size.
2899 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
2901 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
2903 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2905 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
2906 forward declaration.
2907 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
2908 (add_upper_bounds_from_estimated_nit): New.
2909 (build_loop_iteration_domains): Use it.
2911 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2913 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
2915 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2918 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
2919 should be an INTEGER_CST. Also handle CASE_CONVERT.
2921 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2923 * graphite.c (graphite_initialize): To bound the number of bbs per
2924 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
2925 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
2926 * doc/invoke.texi: Document it.
2928 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2930 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
2931 * graphite-sese-to-poly.h (build_poly_scop): Same.
2933 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2935 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
2936 the number of parameters in the scop. Use as an upper bound
2937 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
2938 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
2939 * doc/invoke.texi: Document it.
2941 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
2943 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
2944 * doc/c-tree.texi: Remove.
2945 * doc/generic.texi: Merge c-tree.texi here.
2946 * doc/gccint.texi (Trees): Remove menu entry.
2947 (c-tree.texi): Remove @include.
2948 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
2949 * doc/languages.texi (Reading RTL): Ditto.
2951 2010-03-12 Steve Ellcey <sje@cup.hp.com>
2954 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
2956 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
2959 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
2960 code added to work around reload clobbering CONST insns.
2962 2010-03-12 Jakub Jelinek <jakub@redhat.com>
2964 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
2965 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
2966 (cselib_preserve_only_values): Remove retain argument, don't
2967 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
2968 * cselib.h (cselib_preserve_only_values): Remove retain argument.
2969 * var-tracking.c (micro_operation): Move insn field before union.
2970 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
2971 (struct variable_tracking_info_def): Remove n_mos field, change
2972 mos into a vector of micro_operations.
2973 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
2974 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
2975 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
2976 changing into a vector.
2977 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
2978 come before all other uops generated by add_stores.
2979 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
2981 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
2982 a vector. Run just one pass over the bbs instead of separate counting
2983 and computation phase.
2984 (vt_finalize): Free VTI (bb)->mos vector instead of array.
2987 * tree-inline.c (remap_decls): Put old_var rather than origin_var
2988 into *nonlocalized_list vector.
2989 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
2990 even if origin is non-NULL.
2991 (gen_variable_die): Likewise.
2992 (process_scope_var): Don't change origin.
2993 (gen_decl_die): Likewise.
2994 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
2995 before adding new edges instead of after it, fix moving over
2998 2010-03-11 David S. Miller <davem@davemloft.net>
3000 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
3002 * configure: Rebuild.
3004 2010-03-11 Martin Jambor <mjambor@suse.cz>
3006 PR tree-optimization/43257
3007 * tree.c (assign_assembler_name_if_neeeded): New function.
3008 (free_lang_data_in_cgraph): Assembler name assignment moved to the
3010 * tree.h (assign_assembler_name_if_neeeded): Declare.
3011 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
3012 the function if needed.
3014 2010-03-11 Chris Demetriou <cgd@google.com>
3016 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
3017 include/stdint-gcc.h, and include/stdint.h world-readable.
3019 2010-03-11 Richard Guenther <rguenther@suse.de>
3021 PR tree-optimization/43255
3022 * tree-vrp.c (process_assert_insertions_for): Do not insert
3023 asserts for trivial conditions.
3025 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3027 PR tree-optimization/43280
3028 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
3029 generation. Move calculation of size out of the if branch.
3030 (find_bswap): Modify compare number generation.
3032 2010-03-11 Richard Guenther <rguenther@suse.de>
3035 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
3036 (input_gimple_stmt): Fixup handled component types during
3037 operand read. Also fix up decls in ADDR_EXPRs.
3039 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
3041 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
3042 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
3044 2010-03-10 Jan Hubicka <jh@suse.cz>
3047 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
3048 * varasm.c (get_variable_section): Don't do that here...
3049 (make_decl_rtl): ... and here.
3050 (do_assemble_alias): Produce decl RTL.
3051 (assemble_alias): Likewise.
3053 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3056 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
3057 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
3059 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
3060 (based_loc_descr): Only express drap or vdrap regno based expressions
3061 using DW_OP_fbreg when not optimizing.
3062 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
3063 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
3064 REG_CFA_SET_VDRAP note.
3066 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
3068 PR tree-optimization/43236
3069 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
3070 error in calculation of base address in reverse iteration case.
3071 (generate_builtin): Take number of latch executions if the statement
3074 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
3077 * tree-eh.c: Include pointer-set.h.
3078 (lower_eh_dispatch): Filter out duplicate case labels and
3079 remove the unneeded edge when the label is unused. Return
3080 true when some edges are removed.
3081 (execute_lower_eh_dispatch): When any lowering resulted in
3082 removing an edge, also delete unreachable blocks.
3084 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3087 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
3088 UNSPEC_MACHOPIC_OFFSET.
3090 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
3093 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
3094 (m68k_delegitimize_address): New function.
3096 2010-03-09 Jakub Jelinek <jakub@redhat.com>
3099 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
3102 * var-tracking.c (adjust_sets): New function.
3103 (count_with_sets, add_with_sets): Use it.
3104 (get_adjusted_src): New inline function.
3105 (add_stores): Use it.
3108 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
3109 call cselib_dummy_expand_value_rtx_cb instead of
3110 cselib_expand_value_rtx_cb.
3113 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
3114 * config/i386/i386.c: Include debug.h and dwarf2out.h.
3115 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
3116 and .cfi_endproc around the pic thunks.
3117 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
3118 all queued unwind info register saves are saved before the call.
3119 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
3120 considered as sp-=4 for unwind info and the pop as sp+=4 which
3121 also clobbers dest, but doesn't actually restore it.
3124 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
3125 RTX_FRAME_RELATED_P.
3127 2010-03-09 Jie Zhang <jie@codesourcery.com>
3129 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
3130 whitespaces in output template.
3132 2010-03-09 Jie Zhang <jie@codesourcery.com>
3134 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
3137 2010-03-08 Jakub Jelinek <jakub@redhat.com>
3139 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
3140 builtins.exp in a separate job.
3142 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3144 * graphite-sese-to-poly.c (add_param_constraints): Use
3145 lower_bound_in_type and upper_bound_in_type.
3147 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3149 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
3150 instead of unsigned_type_node.
3152 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3153 Reza Yazdani <reza.yazdani@amd.com>
3156 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
3157 on pointer type parameters.
3159 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
3163 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
3164 handle conversions from pointer to integers.
3165 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
3166 induction variable, to be able to work with code generated by CLooG.
3167 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
3168 (build_poly_scop): Bail out if we cannot codegen a loop.
3170 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
3172 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
3173 code generation with gloog_error.
3175 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3177 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
3178 Call fold_convert on all the returned values.
3179 (expand_scalar_variables_expr): Pass to
3180 expand_scalar_variables_ssa_name the type of the resulting expression.
3182 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3184 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
3185 ppl_min_for_le_pointset.
3186 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
3187 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
3189 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3191 * graphite-dependences.c (map_into_dep_poly): Removed.
3192 (dependence_polyhedron_1): Use combine_context_id_scat.
3194 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3196 * graphite-poly.h (struct poly_scattering): Add layout documentation.
3197 (struct poly_bb): Same.
3198 (combine_context_id_scat): New.
3200 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3203 * sese.c (name_defined_in_loop_p): Return false for default
3206 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3208 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
3209 and clean up the logic.
3211 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3213 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
3216 2010-03-08 Jakub Jelinek <jakub@redhat.com>
3218 * var-tracking.c (remove_cselib_value_chains): Define only for
3220 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
3221 delete_slot_part, emit_notes_for_differences_1): Don't call
3222 remove_cselib_value_chains here.
3223 (set_slot_part, emit_notes_for_differences_2): Don't call
3224 add_cselib_value_chains here.
3225 (preserved_values): New vector.
3226 (preserve_value): New function.
3227 (add_uses, add_stores, vt_add_function_parameters): Use it
3228 instead of cselib_preserve_value.
3229 (changed_values_stack): New vector.
3230 (check_changed_vars_0): New function.
3231 (check_changed_vars_1, check_changed_vars_2): Use it.
3232 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
3233 changed_values_stack VALUEs.
3234 (vt_emit_notes): For all preserved_values call
3235 add_cselib_value_chains. If ENABLE_CHECKING call
3236 remove_cselib_value_chains before verifying value_chains is empty.
3237 Initialize and free changed_values_stack.
3238 (vt_initialize): Initialize preserved_values.
3239 (vt_finalize): Free preserved_values.
3241 2010-03-08 Richard Guenther <rguenther@suse.de>
3243 PR tree-optimization/43269
3244 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
3247 2010-03-08 Martin Jambor <mjambor@suse.cz>
3249 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
3250 (ipa_is_param_called): Removed.
3251 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
3252 (ipa_print_node_params): Do not print the called flag.
3253 (ipa_write_node_info): Do not stream the called flag.
3254 (ipa_read_node_info): Likewise.
3256 2010-03-07 Jakub Jelinek <jakub@redhat.com>
3259 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
3260 * cselib.c (struct expand_value_data): Add dummy field.
3261 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
3263 (cselib_dummy_expand_value_rtx_cb): New function.
3264 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
3266 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
3267 * var-tracking.c: Include pointer-set.h.
3268 (variable): Change n_var_parts to char from int. Add
3269 cur_loc_changed and in_changed_variables fields.
3270 (variable_canonicalize): Remove.
3271 (shared_var_p): New inline function.
3272 (unshare_variable): Maintain cur_loc_changed and
3273 in_changed_variables fields. If var was in changed_variables,
3274 replace it there with new_var. Just copy cur_loc instead of
3275 resetting it to something else.
3276 (variable_union): Don't recompute cur_loc. Use shared_var_p.
3277 (dataflow_set_union): Don't call variable_canonicalize.
3278 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
3279 of their DEBUG_EXPR_TREE_DECLs.
3280 (canonicalize_loc_order_check): Verify that cur_loc is NULL
3281 and in_changed_variables and cur_loc_changed is false.
3282 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
3283 and cur_loc_changed. Don't update cur_loc here.
3284 (variable_merge_over_src): Don't call variable_canonicalize.
3285 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
3286 removing loc that is equal to cur_loc, clear cur_loc,
3287 set cur_loc_changed and ensure variable_was_changed is called.
3288 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
3289 compare pointers in cur_loc check, if it is equal to loc,
3290 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
3291 (variable_different_p): Remove compare_current_location argument,
3292 don't compare cur_loc.
3293 (dataflow_set_different_1): Adjust variable_different_p caller.
3294 (variable_was_changed): If dv had some var in changed_variables
3295 already, reset in_changed_variables flag for it and propagate
3296 cur_loc_changed over to the new variable. On empty var
3297 always set cur_loc_changed. Set in_changed_variables on whatever
3298 var is added to changed_variables.
3299 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
3300 Use shared_var_p. When removing loc that is equal to cur_loc,
3301 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
3302 end, don't set it to something else, just call variable_was_changed.
3303 (delete_slot_part): Use shared_var_p. When cur_loc equals to
3304 loc being removed, clear cur_loc and set cur_loc_changed.
3305 Set cur_loc_changed if all locations have been removed.
3306 (struct expand_loc_callback_data): New type.
3307 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
3308 allocated. Always create SUBREGs if simplify_subreg failed.
3309 Prefer to use cur_loc, when that fails and still in
3310 changed_variables (and seen first time) recompute it. Set
3311 cur_loc_changed of variables which had to change cur_loc and
3312 compute elcd->cur_loc_changed if any of the subexpressions used
3313 had to change cur_loc.
3314 (vt_expand_loc): Adjust to pass arguments in
3315 expand_loc_callback_data structure.
3316 (vt_expand_loc_dummy): New function.
3317 (emitted_notes): New variable.
3318 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
3319 that weren't used for any other decl in current
3320 emit_notes_for_changes call call vt_expand_loc_dummy to update
3321 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
3322 first loc_chain location if NULL before. Always use just
3323 cur_loc instead of first loc_chain location. When cur_loc_changed
3324 is false, when not --enable-checking=rtl just don't emit any note.
3325 When rtl checking, compute the note and assert it is the same
3326 as previous note. Clear cur_loc_changed and in_changed_variables
3327 at the end before removing from changed_variables.
3328 (check_changed_vars_3): New function.
3329 (emit_notes_for_changes): Traverse changed_vars to call
3330 check_changed_vars_3 on each changed var.
3331 (emit_notes_for_differences_1): Clear cur_loc_changed and
3332 in_changed_variables. Recompute cur_loc of new_var.
3333 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
3334 (vt_emit_notes): Initialize and destroy emitted_notes.
3336 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
3338 PR rtl-optimization/42220
3339 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
3340 Use verify_reg_tracked to determine if we should use OP_OUT rather
3342 (build_def_use): If we see an in-out operand for a register that we
3343 know nothing about, treat is an output if possible, fail the block if
3346 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3349 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
3352 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3355 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
3356 uses of relevant DEFs that are dead outside the loop too.
3358 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3360 * var-tracking.c (dataflow_set_merge): Swap src and src2.
3362 2010-01-13 Jakub Jelinek <jakub@redhat.com>
3364 * var-tracking.c (values_to_unmark): New variable.
3365 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
3366 values_to_unmark vector. Moved body to...
3367 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
3368 instead queue it into values_to_unmark vector.
3369 (vt_find_locations): Free values_to_unmark vector.
3371 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
3373 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
3374 (site.exp): Export them when plugins are enabled.
3376 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
3379 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
3381 (chrec_fold_multiply): Same.
3383 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
3386 * c-decl.c (build_compound_literal): Return early if init is
3389 2010-03-04 Martin Jambor <mjambor@suse.cz>
3391 PR tree-optimization/43164
3392 PR tree-optimization/43191
3393 * tree-sra.c (type_consists_of_records_p): Reject records with
3394 zero-size bit-fields at the end.
3396 2010-03-04 Mike Stump <mikestump@comcast.net>
3398 * Makefile.in (TAGS): Remove *.y.
3400 2010-03-04 Richard Guenther <rguenther@suse.de>
3402 PR tree-optimization/40761
3403 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
3405 (my_rev_post_order_compute): New function.
3406 (init_pre): Call it.
3408 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
3411 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
3412 decrease the cost of an IV candidate when the cost is infinite.
3414 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3416 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
3417 Use '3DNow!' for the extension of that name, ensure normal space
3419 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3421 2010-03-03 Jeff Law <law@redhat.com>
3423 * PR middle-end/32693
3424 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
3425 than gen_rtx_SUBREG.
3426 (extract_bit_field_1): Likewise.
3428 2010-03-03 Janis Johnson <janis187@us.ibm.com>
3430 * doc/sourcebuild.texi (Test directives): Document that arguments
3431 include-opts and exclude-opts are now optional for dg-skip-if,
3432 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
3434 2010-03-03 Jason Merrill <jason@redhat.com>
3437 * cgraph.h (varpool_node): Add extra_name field.
3438 * varpool.c (varpool_extra_name_alias): New.
3439 (varpool_assemble_decl): Emit extra name aliases.
3440 (varpool_mark_needed_node): Look past an extra name alias.
3441 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
3442 * lto-streamer-in.c (lto_input_tree): Read it.
3443 * lto-streamer-out.c (output_unreferenced_globals): Write it.
3445 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
3447 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
3448 (sparc*-*-solaris2*): ...this.
3450 2010-03-03 Jakub Jelinek <jakub@redhat.com>
3453 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
3454 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
3455 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
3456 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
3459 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
3460 fallthrough to default handling, just with want_address 0 instead of 2.
3461 For single element lists, add_AT_loc directly, otherwise create an
3462 artificial variable DIE and stick location list to it.
3465 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
3466 (VAL_EXPR_HAS_REVERSE): Define.
3467 (reverse_op): New function.
3468 (add_stores): For reversible operations add an extra MO_VAL_USE.
3470 2010-03-02 Jason Merrill <jason@redhat.com>
3472 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
3474 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
3476 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
3477 (sparc64-*-linux*): Likewise.
3478 (sparc64-*-solaris2*): Include assembler files before linker ones.
3479 (sparc-*-solaris2*): Simplify and reorder to match previous case.
3480 * config/sparc/gas.h: Delete.
3481 * config/sparc/sol2-64.h: Add copyright notice.
3482 * config/sparc/sol2-gas-bi.h: Likewise.
3483 * config/sparc/sol2-gld.h: Likewise.
3484 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
3485 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
3486 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
3487 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
3488 (sparc_elf_asm_named_section): Rename into...
3489 (sparc_solaris_elf_asm_named_section): ...this. Always define.
3491 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
3493 * config/alpha/alpha.c (override_options): Fix -mtune error message.
3495 2010-03-02 Jeff Law <law@redhat.com>
3498 * reload1.c (rtx_p, substitute_stack): Declare.
3499 (substitute): Record addresses of changed rtxs.
3500 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
3501 Restore the original rtx when complete.
3502 (reload): Free subsitute_stack when complete.
3504 2010-03-02 Janis Johnson <janis187@us.ibm.com>
3506 * doc/gccint.texi (menu): Add Testsuites as a chapter.
3507 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
3509 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
3510 LTO Testing, gcov Testing, profopt Testing, compat Testing,
3511 Torture Tests): Change from subsection to section.
3513 2010-03-02 Jakub Jelinek <jakub@redhat.com>
3514 Steven Bosscher <steven@gcc.gnu.org>
3516 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
3519 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
3522 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
3523 the assignment from the new induction variable to the assignment
3524 of the value from the original loop PHI function.
3526 2010-03-01 Janis Johnson <janis187@us.ibm.com>
3527 Daniel Jacobowitz <dan@codesourcery.com>
3529 * doc/sourcebuild.texi (Test directives): Clarify options to
3532 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3534 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
3535 Disable cfi directives unless GCC and gas agree on using read-only
3536 .eh_frame sections for 64-bit.
3537 * configure: Regenerate.
3539 2010-03-01 Richard Guenther <rguenther@suse.de>
3541 PR tree-optimization/43220
3542 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
3543 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
3545 2010-03-01 Richard Guenther <rguenther@suse.de>
3546 Martin Jambor <mjambor@suse.cz>
3549 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
3550 gimplified parameters.
3552 2010-03-01 Christian Bruel <christian.bruel@st.com>
3554 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
3556 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
3558 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
3560 2010-03-01 Richard Guenther <rguenther@suse.de>
3563 * expr.c (expand_assignment): Use the alias-oracle to tell
3564 if the rhs aliases the result decl.
3566 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3569 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
3570 to sol_gt_pch_get_address.
3571 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
3572 64-bit, SPARC and x86.
3573 (sol_gt_pch_get_address): New function.
3575 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
3577 * toplev.h (inform_n, error_n): Declare.
3578 * diagnostic.c (inform_n, error_n): New function.
3580 2010-03-01 Jakub Jelinek <jakub@redhat.com>
3582 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
3583 has no rtl yet when processing local_decls, queue it and recheck
3584 if deferred stack allocation hasn't assigned it rtl.
3586 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
3588 * config/sh/sh.c (unspec_bbr_uid): New.
3589 (gen_block_redirect): Use it instead of INSN_UID.
3590 (gen_far_branch): Likewise.
3592 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
3594 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
3595 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
3597 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3599 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
3600 (Warning Options): -Wno-conversion-null is valid for
3601 Objective-C++ as well.
3602 * doc/tm.texi (Named Address Spaces): Likewise.
3603 * doc/plugins.texi (Plugins): Replace TABs with spaces.
3604 * doc/tree-ssa.texi (Tree SSA): Likewise.
3606 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
3609 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
3610 by default. Don't set the default arch for
3611 i[34567]86-*-darwin*|x86_64-*-darwin*.
3613 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
3616 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
3617 default. Set the default 32bit/64bit archs with $with_arch
3618 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
3620 2010-02-27 Richard Guenther <rguenther@suse.de>
3622 PR tree-optimization/43186
3623 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
3624 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
3625 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
3626 unroller iterations.
3628 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
3630 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
3631 required and i[34567]86-*-* targets don't support 64bit ISA.
3633 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
3636 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
3639 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
3641 * config.gcc: Set the default arch at least to Prescott for
3642 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
3643 if SSE math is enabled.
3645 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
3647 * diagnostic.c (diagnostic_initialize): Update.
3648 (diagnostic_report_diagnostic): Test inhibit_notes_p for
3650 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
3651 (diagnostic_inhibit_notes): New.
3652 * toplev.c (process_options): inhibit notes with -fcompare-debug.
3654 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
3657 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
3658 * doc/standards.texi: Likewise.
3659 * doc/extend.texi: Likewise.
3660 * doc/trouble.texi: Likewise.
3661 * doc/cppopts.texi: Likewise.
3662 * doc/install.texi: Likewise.
3663 * c.opt (std=c90,std=gnu90): New options.
3664 * c-opts.c (c_common_handle_option): Handle them.
3666 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
3669 * c-decl.c (undeclared_variable): Use an informative note.
3671 2010-02-26 Richard Guenther <rguenther@suse.de>
3673 PR tree-optimization/43186
3674 * gimple.h (gimple_fold): Remove.
3675 * gimple.c (gimple_fold): Remove. Inline into single user ...
3676 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
3677 Try harder for conditions.
3679 2010-02-26 Jakub Jelinek <jakub@redhat.com>
3682 * function.c (used_types_insert): Don't skip through named pointer
3683 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
3684 and it is different from the main variant's type.
3686 2010-02-26 Nick Clifton <nickc@redhat.com>
3688 * config/rx/rx.md (sminsi3): Remove bogus alternative.
3690 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
3692 * config.gcc: Support --with-fpmath=sse for x86.
3694 * config/i386/ssemath.h: New.
3696 * doc/install.texi (--with-fpmath=sse): Documented.
3698 2010-02-26 Richard Guenther <rguenther@suse.de>
3700 PR tree-optimization/43188
3701 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
3702 vector types of over-aligned element type.
3704 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
3707 * config/i386/i386.c (expand_vec_perm_blend): Use correct
3708 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
3710 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
3712 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
3714 2010-02-26 Jakub Jelinek <jakub@redhat.com>
3716 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
3717 * var-tracking.c: Include diagnostic.h.
3718 (debug_dv): New function.
3719 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
3722 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
3723 (add_value_chain, add_value_chains, remove_value_chain,
3724 remove_value_chains): Handle DEBUG_EXPRs.
3725 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
3728 * regcprop.c (struct queued_debug_insn_change): New type.
3729 (struct value_data_entry): Add debug_insn_changes field.
3730 (struct value_data): Add n_debug_insn_changes field.
3731 (debug_insn_changes_pool): New variable.
3732 (free_debug_insn_changes, apply_debug_insn_changes,
3733 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
3734 (kill_value_one_regno): Call free_debug_insn_changes if needed.
3735 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
3737 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
3739 (copyprop_hardreg_forward_1): Don't call apply_change_group for
3740 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
3741 changes, call cprop_find_used_regs via note_stores.
3742 (copyprop_hardreg_forward): When copying vd from predecessor
3743 which has any queued DEBUG_INSN changes, make sure the pointers are
3744 cleared. At the end call df_analyze and then if there are any
3745 DEBUG_INSN changes queued at the end of some basic block for still
3746 live registers, apply them.
3747 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
3749 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
3751 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
3754 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
3756 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
3757 targets. Set the default with_cpu/with_arch from arch/cpu.
3758 Allow x86-64 and native for with_cpu/with_arch.
3760 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
3762 * ebitmap.c: Change calls to verify_popcount with calls to
3763 sbitmap_verify_popcount.
3764 (ebitmap_clear_bit): Fixed map->cacheindex test and
3765 map>cache update when bit clearing results in an empty
3768 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
3771 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
3772 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
3773 and support both V2DF and V2DI modes.
3774 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
3775 support both V2DF and V2DI modes.
3776 (general): Delete trailing whitespace from a few patterns.
3778 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
3779 V2DF/V2DI interleave high/low builtins.
3781 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
3784 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
3785 interleave high/low functions.
3787 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
3789 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
3790 #pragma extern_prefix.
3792 2010-02-25 Jakub Jelinek <jakub@redhat.com>
3795 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
3796 BLKmode, assert op0 is a MEM and just adjust its mode.
3799 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
3800 if bitpos isn't multiple of mode's bitsize.
3802 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
3804 * c.opt (-ftemplate-depth=): New.
3805 (-ftemplate-depth-): Deprecate.
3806 * optc-gen.awk: Handle -ftemplate-depth=.
3807 * opth-gen.awk: Likewise.
3808 * c-opts.c (c_common_handle_option): Likewise.
3809 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
3811 2010-02-24 Jason Merrill <jason@redhat.com>
3813 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
3815 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3817 * cfg.c (alloc_aux_for_block): Remove inline.
3818 (alloc_aux_for_edge): Likewise.
3820 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3822 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
3824 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3826 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
3827 * config/i386/sol2-gas.h: New file.
3828 * config.gcc (i[34567]86-*-solaris2*): Use it.
3830 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
3833 * c-typeck.c (ep_convert_and_check): New.
3834 (build_conditional_expr): Use it.
3835 (build_binary_op): Likewise.
3837 2010-02-24 Jakub Jelinek <jakub@redhat.com>
3839 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
3842 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
3843 bounds even for -O+.
3844 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
3845 expr needs to have DECL_NAME set.
3847 2010-02-24 Nick Clifton <nickc@redhat.com>
3849 * config/mep/mep.c: Include gimple.h.
3850 (mep_function_uses_sp): Delete unused function.
3851 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
3852 parameters. Use unsigned integers to count args. Return a
3853 NULL_RTX instead of an error_mark_node. Toidy up formatting.
3855 2010-02-23 Jakub Jelinek <jakub@redhat.com>
3858 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
3859 greater or equal to nelt instead of 2 * nelt.
3860 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
3863 2010-02-23 Jason Merrill <jason@redhat.com>
3866 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
3867 in cfun->local_decls even if they have register types.
3870 * stor-layout.c (place_field): Don't warn about unnecessary
3871 DECL_PACKED if the type is packed.
3873 2010-02-23 Jakub Jelinek <jakub@redhat.com>
3876 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
3877 GOTOFF relocs, even when the base reg isn't pic pointer.
3879 2010-02-23 Michael Matz <matz@suse.de>
3882 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
3883 (expand_gimple_basic_block): Generate and use debug temps if there
3884 are debug uses left after the last real use of TERed ssa names.
3885 Unlink debug immediate uses when they are expanded.
3887 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
3890 * config/i386/i386.c (override_options): Reorganise to provide
3891 better error messages.
3893 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
3896 * graphite-scop-detection.c (create_single_exit_edge): Move
3897 the call to find_single_exit_edge to....
3898 (create_sese_edges): ...here. Don't handle multiple edges
3899 exiting the function.
3900 (build_graphite_scops): Don't handle multiple edges
3901 exiting the function.
3903 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
3906 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
3907 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
3909 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
3912 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
3914 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
3917 * c-typeck.c (convert_arguments): Print declaration location.
3918 * c-common.c (validate_nargs): Rename as
3919 builtin_function_validate_nargs.
3920 (check_builtin_function_arguments): Update.
3922 2010-02-22 Richard Guenther <rguenther@suse.de>
3925 * tree-inline.c (declare_return_variable): Use the type of
3926 the call stmt lhs if available.
3928 2010-02-22 Duncan Sands <baldrick@free.fr>
3930 * passes.c (register_pass): Always consider all pass lists when
3931 ref_pass_instance_number is zero.
3933 2010-02-22 Richard Guenther <rguenther@suse.de>
3935 PR tree-optimization/42749
3936 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
3937 parameter. Do arithmetic in the original type.
3938 (update_accumulator_with_ops): Likewise.
3939 (adjust_accumulator_values): Adjust.
3941 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3943 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
3944 (QI to BLKmode splitter): New splitter.
3946 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
3948 * config/i386/i386.c (initial_ix86_tune_features): Turn on
3949 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
3951 2010-02-22 Richard Guenther <rguenther@suse.de>
3953 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
3955 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
3957 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
3958 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
3959 ($(T)crti.o, $(T)crtn.o): Remove rules.
3961 2010-02-21 Tobias Burnus <burnus@net-b.de>
3964 * doc/invoke.texi (-fassociative-math): Document that this
3965 option is automatically enabled for Fortran.
3967 2010-02-20 David S. Miller <davem@davemloft.net>
3969 * configure.ac: Test if linker and assembler properly support
3970 GOTDATA_OP relocations.
3971 * configure: Rebuild.
3972 * config.in: Likewise.
3973 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
3974 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
3975 (movsi_high_pic): Likewise.
3976 (movdi_lo_sum_pic): Likewise.
3977 (movdi_high_pic): Likewise.
3978 (movsi_pic_gotdata_op): New pattern.
3979 (movdi_pic_gotdata_op): Likewise.
3980 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
3981 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
3983 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
3986 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
3987 attribute to ssemul.
3988 (xop_mulv2div2di3_high): Ditto.
3990 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
3993 * c.opt (Wconversion-null): New option.
3994 * doc/invoke.texi (Wconversion-null): Document.
3996 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
3998 * common.opt (Wlarger-than-): Add Undocumented.
4000 2010-02-19 Mike Stump <mikestump@comcast.net>
4002 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
4004 2010-02-19 Jason Merrill <jason@redhat.com>
4007 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
4008 * configure: Likewise.
4010 2010-02-20 Alan Modra <amodra@gmail.com>
4013 * cgraph.h (cgraph_make_decl_local): Declare.
4014 * cgraph.c (cgraph_make_decl_local): New function.
4015 (cgraph_make_node_local): Use it.
4016 * cgraphunit.c (cgraph_function_versioning): Likewise.
4017 * ipa.c (function_and_variable_visibility): Likewise.
4019 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4022 * except.c (sjlj_emit_function_enter): Don't call
4023 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
4025 * rtl.h (add_reg_br_prob_note): Remove prototype.
4027 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
4030 * c-common.c (conversion_warning): Remove widening conversions
4031 before checking the conversion of integers to reals.
4033 2010-02-19 Mike Stump <mikestump@comcast.net>
4036 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
4039 * cgraphunit.c (process_function_and_variable_attributes): Check
4040 DECL_PRESERVE_P instead of looking up attribute "used".
4041 * ipa-pure-const.c (check_decl): Likewise.
4042 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
4043 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
4044 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
4045 instead of attribute "used".
4046 * config/sol2-c.c (solaris_pragma_init): Likewise.
4047 (solaris_pragma_fini): Likewise.
4049 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4051 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
4052 Use XCNEW instead of xcalloc.
4053 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
4054 XNEW instead of xmalloc.
4055 (get_fields): Use XNEWVEC instead of xmalloc.
4058 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
4059 populate vars array.
4060 (create_new_general_access): For debug stmts just reset value.
4061 (get_stmt_accesses): For accesses within debug stmts just record them
4062 using add_access_to_acc_sites instead of preventing the peeling or
4063 counting them as accesses.
4066 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
4068 2010-02-19 Richard Guenther <rguenther@suse.de>
4070 PR tree-optimization/42916
4071 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
4074 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
4076 * configure.ac: Replace all uses of changequote in macro arguments
4077 with proper quoting.
4079 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4082 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
4084 2010-02-19 Richard Guenther <rguenther@suse.de>
4086 PR tree-optimization/42944
4087 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
4088 test for aliasing with errno.
4090 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4093 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
4094 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
4095 * dojump.c: Include output.h.
4096 (inv): New inline function.
4097 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
4098 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
4099 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
4100 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
4101 argument, pass it down to other calls.
4102 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
4103 add REG_BR_PROB note to the conditional jump.
4104 * cfgexpand.c (add_reg_br_prob_note): Removed.
4105 (expand_gimple_cond): Don't call it, add the probability
4106 as last argument to jumpif_1/jumpifnot_1.
4107 * Makefile.in (dojump.o): Depend on output.h.
4108 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
4110 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
4111 * stmt.c (do_jump_if_equal): Likewise.
4112 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
4113 * loop-unswitch.c (compare_and_jump_seq): Likewise.
4114 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
4116 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
4117 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
4118 jumpifnot_1 callers.
4119 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
4121 (store_expr): Adjust jumpifnot caller.
4122 (store_constructor): Adjust jumpif caller.
4125 * gimplify.c (gimple_boolify): For __builtin_expect call
4126 gimple_boolify also on its first argument.
4128 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
4130 * configure.ac (gnu-unique-object): Wrap regexps using [] in
4132 (__stack_chk_fail): Ditto. Remove quadrigraphs.
4133 * configure: Regenerated.
4135 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4137 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
4138 lang_hooks.types_compatible_p instead of comptypes.
4140 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
4142 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
4143 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
4144 if __prefer_thumb__ is defined.
4146 2010-02-18 Martin Jambor <mjambor@suse.cz>
4148 PR tree-optimization/43066
4149 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
4150 array with zero-sized element type.
4152 2010-02-18 Jakub Jelinek <jakub@redhat.com>
4154 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
4155 rtx, allocate struct var_loc_node here and return it to the
4156 caller, and only if it is actually needed.
4157 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
4158 move it earlier and return immediately if it returns NULL.
4160 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
4162 * config/sparc/gas.h: New file. Restore
4163 TARGET_ASM_NAMED_SECTION to its ELF default.
4164 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
4166 * config/sparc/sparc.c (sparc_elf_asm_named_section):
4167 Likewise. Add ATTRIBUTE_UNUSED to prototype.
4168 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
4169 after sparc/sysv4.h.
4171 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
4173 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
4175 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
4177 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
4178 patterns from predicated pattern.
4180 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
4183 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
4184 for insn mnemonic suffix.
4186 2010-02-17 Richard Guenther <rguenther@suse.de>
4188 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
4191 2010-02-17 Jakub Jelinek <jakub@redhat.com>
4194 * caller-save.c (save_call_clobbered_regs): If BB ends with
4195 a DEBUG_INSN, move any notes in between last real insn and the last
4196 DEBUG_INSN after the last DEBUG_INSN.
4198 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
4200 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
4201 Fix return type. Fix argument type. Explain meaning of return value.
4203 2010-02-16 Richard Guenther <rguenther@suse.de>
4205 PR tree-optimization/41043
4206 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
4207 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
4209 (vrp_visit_phi_node): ... but only for loop PHI nodes.
4211 2010-02-16 Ira Rosen <irar@il.ibm.com>
4213 PR tree-optimization/43074
4214 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
4215 * tree-vect-loop.c (vect_analyze_loop_operations): Add
4216 vectorizable cycles in hybrid SLP check.
4217 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
4219 2010-02-16 Richard Guenther <rguenther@suse.de>
4221 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
4222 (true_dependence): If memrefs_conflict_p computes must-alias
4223 trust it. Move TBAA check after offset-based disambiguation.
4224 (canon_true_dependence): Likewise.
4226 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
4228 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
4229 * doc/invoke.texi: Document it.
4230 * var-tracking.c: Include toplev.h and params.h.
4231 (vt_find_locations): Return bool indicating success. Compute
4232 hash sizes unconditionally. Check new parameter, report.
4233 (variable_tracking_main_1): Check vt_find_locations results and
4234 retry. Renamed from...
4235 (variable_tracking_main): ... this. New wrapper to preserve
4236 flag_var_tracking_assignments.
4237 * Makefile.in (var-tracking.o): Adjust dependencies.
4239 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
4240 Jakub Jelinek <jakub@redhat.com>
4243 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
4244 if weak_import attribute is present.
4245 * config/darwin.c (machopic_select_section): Likewise.
4247 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
4249 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
4250 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
4251 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
4252 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
4254 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument types.
4256 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
4259 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
4260 Rewrite text to refer to the names.
4262 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
4264 * config/i386/i386-builtin-types.def
4265 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
4266 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
4267 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
4268 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
4269 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
4270 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
4271 IX86_BUILTIN_VPERMIL2PS256.
4272 (MULTI_ARG_4_DF2_DI_I): Defined.
4273 (MULTI_ARG_4_DF2_DI_I1): Defined.
4274 (MULTI_ARG_4_SF2_SI_I): Defined.
4275 (MULTI_ARG_4_SF2_SI_I1): Defined.
4276 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
4277 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
4278 __builtin_ia32_vpermil2ps256.
4279 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
4280 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
4281 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
4282 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
4283 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
4284 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
4285 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
4286 CODE_FOR_xop_vpermil2v8sf3.
4287 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
4288 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
4289 * config/i386/xopintrin.h (_mm_permute2_pd): New.
4290 (_mm256_permute2_pd): New.
4291 (_mm_permute2_ps): New.
4292 (_mm256_permute2_ps): New.
4294 2010-02-15 Nick Clifton <nickc@redhat.com>
4296 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
4297 boolean parameters. Use emit_jump_insn when emitting a pop
4298 instruction containing a return insn.
4299 (push): Use 'true' rather than '1' as second parameter to F.
4300 (h8300_expand_prologue): Likewise.
4301 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
4302 (h8300_expand_epilogue): Likewise.
4304 2010-02-15 Richard Guenther <rguenther@suse.de>
4307 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
4310 2010-02-15 Nick Clifton <nickc@redhat.com>
4312 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
4315 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
4317 * intl.c (fake_ngettext): New function.
4318 * intl.h (fake_ngettext): Declare.
4319 (ngettext): Define macro.
4320 * collect2.c (notice_translated): New function.
4321 (main): Use notice_translated and ngettext.
4322 * collect2.h (notice_translated): Declare.
4324 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
4326 * reorg.c (delete_computation): Comment fixes.
4327 * caller-save.c (setup_save_areas): Idem.
4328 * sel-sched-dump.c (dump_lv_set): Idem.
4331 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4333 * config/s390/s390.c (s390_sched_init): New function.
4334 (TARGET_SCHED_INIT): Target hook defined.
4336 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
4337 Jack Howarth <howarth@bromo.med.uc.edu>
4338 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
4341 Partial revert of unintended change in fix for PR41605.
4342 * config/darwin.h: Fix typo.
4343 * config/darwin9.h: Same.
4345 2010-02-11 Jakub Jelinek <jakub@redhat.com>
4347 * c-pch.c (pch_init): Clear v.
4349 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4352 * graphite-scop-detection.c (graphite_can_represent_scev): Call
4353 graphite_can_represent_init for MULT_EXPR.
4355 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4359 * graphite-sese-to-poly.c (remove_phi): New.
4360 (translate_scalar_reduction_to_array): Call remove_phi.
4362 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4365 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
4366 * graphite-clast-to-gimple.h (gloog): Update declaration.
4367 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
4368 * graphite-poly.h (struct poly_bb): Add missing comments.
4369 (struct scop): Add poly_scop_p field.
4371 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
4372 * graphite.c (graphite_transform_loops): Build the polyhedral
4373 representation for each scop before code generation.
4374 * sese.c (rename_variables_in_operand): Removed.
4375 (rename_variables_in_expr): Return the renamed expression.
4376 (rename_sese_parameters): New.
4377 * sese.h (rename_sese_parameters): Declared.
4379 2010-02-11 Richard Guenther <rguenther@suse.de>
4381 PR tree-optimization/42998
4382 * tree-ssa-pre.c (create_expression_by_pieces): Treat
4383 POINTER_PLUS_EXPR properly.
4385 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4386 Changpeng Fang <changpeng.fang@amd.com>
4389 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
4390 the cost of an IV candidate when the IV is used in a test against zero.
4392 * gcc.dg/tree-ssa/ivopts-3.c: New.
4394 2010-02-11 Richard Guenther <rguenther@suse.de>
4397 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
4398 pointer-vs-decl case by swapping refs. Handle some cases
4399 of pointer-vs-decl disambiguations more conservatively.
4400 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
4401 to false after expanding.
4403 2010-02-11 Richard Guenther <rguenther@suse.de>
4406 * gcc.c (process_command): Handle LTO file@offset case more
4409 2010-02-11 Jakub Jelinek <jakub@redhat.com>
4411 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
4412 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
4414 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
4416 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
4417 if MEM's mode size isn't DWARF2_ADDR_SIZE.
4418 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
4419 Optimize eq/ne comparisons when both arguments are known to be
4421 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
4422 Don't mask operands unnecessarily if they are known to be already
4425 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
4427 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
4430 2010-02-10 Richard Guenther <rguenther@suse.de>
4432 PR tree-optimization/43017
4433 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
4434 for wrapping signed arithmetic.
4436 2010-02-10 Jakub Jelinek <jakub@redhat.com>
4439 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
4440 if no debug info should be emitted for it.
4442 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
4444 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
4445 note when flag_exceptions is set.
4447 2010-02-10 Duncan Sands <baldrick@free.fr>
4449 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
4451 2010-02-10 Richard Guenther <rguenther@suse.de>
4454 * tree.c (get_unwidened): Handle constants.
4455 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
4457 2010-02-10 Martin Jambor <mjambor@suse.cz>
4460 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
4461 check for variable argument counts independently.
4463 2010-02-10 Christian Bruel <christian.bruel@st.com>
4466 * config/sh/sh.c (find_barrier): Increase length for non delayed
4467 conditional branches.
4469 2010-02-10 Christian Bruel <christian.bruel@st.com>
4471 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
4473 2010-02-10 Jakub Jelinek <jakub@redhat.com>
4475 * builtins.c (set_builtin_user_assembler_name): Also handle
4476 ffs if int is smaller than word.
4478 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
4481 * ira-conflicts.c (get_dup): Remove.
4482 (process_reg_shuffles): Add new parameter. Use it as an
4483 additional guard for copy generation.
4484 (add_insn_allocno_copies): Rewrite.
4486 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
4488 * common.opt (fsched2-use-traces): Preserved for backward
4490 * doc/invoke.texi: Remove the documentation about option
4491 -fsched2-use-traces.
4492 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
4493 flag_sched2_use_traces.
4494 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
4495 the backward compatibility flag section.
4497 2010-02-09 Richard Guenther <rguenther@suse.de>
4499 PR tree-optimization/43008
4500 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
4501 make HEAP variables initialized from global memory if they
4502 are not known builtin functions.
4503 (find_func_aliases): Adjust.
4505 2010-02-09 Richard Guenther <rguenther@suse.de>
4507 PR tree-optimization/43000
4508 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
4509 arithmetic manually.
4511 2010-02-08 Jakub Jelinek <jakub@redhat.com>
4513 PR tree-optimization/42931
4514 * tree-loop-linear.c (try_interchange_loops): Don't call
4515 double_int_mul if estimated_loop_iterations failed.
4517 2010-02-08 Martin Jambor <mjambor@suse.cz>
4520 * tree-sra.c (build_accesses_from_assign): Do not mark in
4521 should_scalarize_away_bitmap if stmt has volatile ops.
4522 (sra_modify_assign): Do not process assigns piecemeal if if stmt
4525 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
4527 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
4529 2010-02-07 Adam Nemet <adambnmet@gmail.com>
4531 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
4534 2010-02-07 Andrew Pinski <pinskia@gmail.com>
4537 * df-core.c (df_finish_pass): Change type of saved_flags to int.
4539 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
4542 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
4543 to unknown_dependence.
4544 (graphite_legal_transform_dr): Handle the unknown_dependence.
4545 (graphite_carried_dependence_level_k): Same.
4547 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
4549 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
4551 2010-02-07 Richard Guenther <rguenther@suse.de>
4554 * expr.c (get_inner_reference): Always initialize *pbitsize.
4556 2010-02-07 Richard Guenther <rguenther@suse.de>
4559 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
4560 new ARRAY_REFs on variable size element or minimal index arrays.
4562 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
4563 gimple_fold_indirect_ref.
4565 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
4568 * arm.c (arm_override_options): Just return if the user has specified
4569 an invalid fpu name.
4571 2010-02-03 Jason Merrill <jason@redhat.com>
4574 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
4575 i386_pe_maybe_record_exported_symbol.
4577 2010-02-05 Steve Ellcey <sje@cup.hp.com>
4580 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
4581 (pa_delegitimize_address): New function.
4583 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
4585 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
4586 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
4588 2010-02-05 Richard Guenther <rguenther@suse.de>
4591 * lto-streamer-in.c (get_resolution): Deal with references
4592 to undefined functions.
4594 2010-02-05 Richard Guenther <rguenther@suse.de>
4596 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
4597 (fold_const_aggregate_ref): Likewise.
4598 (ccp_fold_stmt): Substitute loads.
4599 (maybe_fold_reference): Verify types before substituting.
4601 (fold_gimple_assign): Unshare properly.
4602 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
4604 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
4606 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
4607 for rs6000_gen_cell_microcode.
4609 2010-02-04 Richard Guenther <rguenther@suse.de>
4611 PR rtl-optimization/42952
4612 * dse.c (const_or_frame_p): Remove MEM handling.
4614 2010-02-04 Nick Clifton <nickc@redhat.com>
4616 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
4617 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
4618 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
4619 (mn10300_asm_output_mi_thunk): New function.
4620 (mn10300_can_output_mu_thunk): New function.
4621 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
4622 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
4623 (FUNCTION_ARG): Delete incorrect comment.
4625 2010-02-03 Jason Merrill <jason@redhat.com>
4628 * fold-const.c (operand_equal_p): Handle erroneous types.
4630 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
4632 * config/h8300/h8300.md (can_delay): Fix attibute condition.
4634 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
4636 PR rtl-optimization/42941
4637 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
4640 2010-02-03 Jason Merrill <jason@redhat.com>
4643 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
4645 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
4648 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
4649 (cselib_reset_table): Renamed from...
4650 (cselib_reset_table_with_next_value): ... this.
4651 (cselib_get_next_uid): Renamed from...
4652 (cselib_get_next_unknown_value): ... this.
4653 * cselib.c (next_uid): Renamed from...
4654 (next_unknown_value): ... this.
4655 (cselib_clear_table): Adjust.
4656 (cselib_reset_table): Adjust. Renamed from...
4657 (cselib_reset_table_with_next_value): ... this.
4658 (cselib_get_next_uid): Adjust. Renamed from...
4659 (cselib_get_next_unknown_value): ... this.
4660 (get_value_hash): Use hash.
4661 (cselib_hash_rtx): Likewise.
4662 (new_cselib_val): Adjust. Set and dump uid.
4663 (cselib_lookup_mem): Pass next_uid as hash.
4664 (cselib_subst_to_values): Likewise.
4665 (cselib_log_lookup): Dump uid.
4666 (cselib_lookup): Pass next_uid as hash. Adjust.
4667 (cselib_process_insn): Adjust.
4668 (cselib_init): Initialize next_uid.
4669 (cselib_finish): Adjust.
4670 (dump_cselib_table): Likewise.
4671 * dse.c (canon_address): Dump value uid.
4672 * print-rtl.c (print_rtx): Print value uid.
4673 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
4675 (dv_uid): New function, sort of renamed from...
4676 (dv_htab_hash): ... this, reimplemented in terms of it and...
4677 (dv_uid2hash): ... this. New.
4678 (variable_htab_eq): Drop excess assertions.
4679 (tie_break_pointers): Removed.
4680 (canon_value_cmp): Compare uids.
4681 (variable_post_merge_New_vals): Print uids.
4682 (vt_add_function_parameters): Adjust.
4683 (vt_initialize): Reset table. Adjust.
4685 2010-02-03 Richard Guenther <rguenther@suse.de>
4687 PR tree-optimization/42944
4688 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
4689 (call_may_clobber_ref_p_1): Likewise. Properly handle
4690 malloc and calloc clobbering errno.
4692 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
4694 * doc/invoke.texi: Fix name of sched1 dump.
4696 * opts.c (decode_options): Set flag_tree_switch_conversion
4697 only conditionally on optimize >= 2.
4699 * gcse.c: Assorted comment fixes in pass description.
4701 2010-02-03 Anthony Green <green@moxielogic.com>
4703 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
4704 nop padding in order to maintain alignment of storage location of
4705 target function address.
4706 (moxie_trampoline_init): Store target function address at newly
4708 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
4710 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
4712 2010-02-03 Richard Guenther <rguenther@suse.de>
4715 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
4717 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4719 * config.gcc: Reenable check for obsolete targets.
4720 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
4721 mips-sgi-irix6.[0-4]*.
4723 2010-02-02 Nick Clifton <nickc@redhat.com>
4725 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
4726 constant size of 4 as being the same as 0.
4727 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
4728 can take values in the range 0..4.
4730 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
4733 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
4734 as _darwin10_Unwind_FindEnclosingFunction().
4735 * libgcc-libsystem.ver: New.
4737 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
4740 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
4741 implicitly set registers.
4743 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
4745 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
4746 (arm_override_options): Allow automatic selection of the thread
4747 pointer register if thumb2.
4748 (legitimize_pic_address): Improve code sequences for Thumb2.
4749 (arm_call_tls_get_addr): Likewise.
4750 (legitimize_tls_address): Likewise.
4751 * arm.md (pic_load_addr_arm): Delete. Replace with ...
4752 (pic_load_addr_32bit): ... this. New named pattern.
4753 * thumb2.md (pic_load_addr_thumb2): Delete.
4754 (pic_load_dot_plus_four): Delete.
4755 (tls_load_dot_plus_four): New named pattern.
4757 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4760 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
4761 Document fix for TLS bug.
4763 2010-01-31 Richard Guenther <rguenther@suse.de>
4765 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
4766 conservatively correct.
4768 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4772 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4774 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
4776 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4778 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
4780 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
4782 * config.gcc: Adjust order of makefile fragments for mingw targets.
4784 2010-01-31 Richard Guenther <rguenther@suse.de>
4787 * gimplify.c (gimplify_init_constructor): For volatile LHS
4788 initialize a temporary.
4790 2010-01-31 Matthias Klose <doko@ubuntu.com>
4792 * configure.ac: Fix __stack_chk_fail check for cross builds configured
4794 * configure: Regenerate.
4796 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
4798 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
4799 the same alias set and their sizes different constantness.
4800 (aliasing_component_refs_p): Revert 2009-10-24 change.
4802 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4804 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
4807 2010-01-29 Richard Guenther <rguenther@suse.de>
4809 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
4810 Assert we successfully updated the call.
4812 2010-01-29 Jakub Jelinek <jakub@redhat.com>
4814 PR rtl-optimization/42889
4815 * df.h (df_set_bb_dirty_nonlr): New prototype.
4816 * df-core.c (df_set_bb_dirty_nonlr): New function.
4817 * df-scan.c (df_insn_rescan): Call it instead of
4818 df_set_bb_dirty for DEBUG_INSNs.
4820 2010-01-29 Richard Guenther <rguenther@suse.de>
4823 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
4824 quadratic behavior in most cases.
4826 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
4829 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
4830 in the call to gen_x86_movsicc_0_m1.
4832 2010-01-28 Richard Guenther <rguenther@suse.de>
4834 PR tree-optimization/42871
4835 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
4837 2010-01-28 Richard Guenther <rguenther@suse.de>
4839 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
4840 into call arguments.
4842 2010-01-28 Richard Guenther <rguenther@suse.de>
4845 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
4846 the forwarder if the destination is an EH landing pad.
4848 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
4850 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
4851 block list passed to gimple_duplicate_sese_tail.
4852 (parallelize_loops): Avoid parallelization when the function
4854 Avoid parallelization when the preheader is IRREDUCIBLE.
4855 Try to optimize when estimated_loop_iterations_int is unresolved.
4856 Add the loop's location to the dump file.
4857 * tree-cfg.c (add_phi_args_after_redirect): Remove.
4858 (gimple_duplicate_sese_tail): Remove the check for the latch.
4859 Redirect nexits to the exit block.
4860 Remove handling of the incoming edges to the latch.
4861 Redirect the backedge from the copied latch to the exit bb.
4863 2010-01-28 Michael Matz <matz@suse.de>
4866 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
4867 Wrap force_reg into a sequence, emit it before user.
4869 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
4871 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
4873 (arm_legacy_rev): Likewise.
4874 (thumb_legacy_rev): Likewise.
4876 2010-01-27 Jakub Jelinek <jakub@redhat.com>
4878 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
4879 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
4880 on MEM's address failed, try avoid_constant_pool_reference and
4881 recurse if it returned something different.
4882 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
4883 address, try avoid_constant_pool_reference and recurse if it
4884 returned something different.
4885 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
4886 address and avoid_constant_pool_reference returned something
4887 different, don't set have_address.
4889 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
4892 * var-tracking.c (val_store): Add modified argument, obey it.
4894 (count_uses): Move down logging of main.
4895 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
4896 don't need resolution.
4897 (emit_notes_in_bb): Likewise.
4899 2010-01-27 Richard Guenther <rguenther@suse.de>
4902 * tree-inline.c (remap_decl): Delay remapping of SSA name
4903 default definitions until we need them.
4905 2010-01-27 Jakub Jelinek <jakub@redhat.com>
4907 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
4908 (rs6000_delegitimize_address): New function.
4910 * config/s390/s390.c (s390_delegitimize_address): Call
4911 delegitimize_mem_from_attrs.
4914 * tree-inline.c (cannot_copy_type_1): Removed.
4915 (copy_forbidden): Don't forbid copying of functions containing
4916 records/unions with variable length fields.
4918 2010-01-27 Christian Bruel <christian.bruel@st.com>
4922 * config/sh/sh.c (find_barrier): Increase length for non delayed
4923 conditional branches.
4925 2010-01-27 Matthias Klose <doko@ubuntu.com>
4927 * configure.ac (gnu-unique-object): Fix ldd version check.
4928 * configure: Regenerate.
4930 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4932 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
4934 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
4935 Test for HAVE_GNU_AS value.
4937 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4939 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
4940 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
4941 INT64_TYPE): Define.
4942 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
4943 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
4944 INT_LEAST64_TYPE): Define.
4945 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
4946 UINT_LEAST64_TYPE): Define.
4947 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
4948 INT_FAST64_TYPE): Define.
4949 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
4950 UINT_FAST64_TYPE): Define.
4951 (INTMAX_TYPE, UINTMAX_TYPE): Define.
4952 (INTPTR_TYPE, UINTPTR_TYPE): Define.
4953 (SIG_ATOMIC_TYPE): Define.
4955 2010-01-26 Richard Guenther <rguenther@suse.de>
4957 * df-scan.c (df_scan_set_bb_info): Remove assert.
4958 (df_insn_rescan_debug_internal): Merge asserts.
4959 (df_install_ref): Likewise.
4960 (df_mark_reg): Use bitmap_set_range.
4961 (df_hard_reg_used_p): Remove assert.
4962 (df_hard_reg_used_count): Likewise.
4964 2010-01-26 Richard Guenther <rguenther@suse.de>
4966 PR rtl-optimization/42685
4967 * web.c (web_main): Ignore DEBUG_INSNs.
4969 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
4971 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
4973 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
4974 Fix types of fndecl and arglist parameters.
4976 2010-01-26 Richard Guenther <rguenther@suse.de>
4979 * tree-eh.c (unsplit_eh): Skip debug insns.
4981 2010-01-26 Richard Guenther <rguenther@suse.de>
4983 PR tree-optimization/42250
4984 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
4986 2010-01-26 Jakub Jelinek <jakub@redhat.com>
4989 * omp-low.c (expand_omp_sections): Only use single_pred if
4990 l2_bb is single_pred_p.
4992 2010-01-25 Christian Bruel <christian.bruel@st.com>
4995 * config/sh/sh.c (find_barrier): Increase length for non delayed
4996 conditional branches.
4997 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
4999 2010-01-24 David S. Miller <davem@davemloft.net>
5001 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
5002 define if not using GAS.
5003 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5004 Likewise. Delete SECTION_MERGE code, which is only applicable
5007 2010-01-24 Mark Mitchell <mark@codesourcery.com>
5010 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
5011 mangling of va_list in system headers.
5013 2010-01-23 Toon Moene <toon@moene.org>
5015 * tree-predcom.c (combine_chains): Return NULL, not false.
5017 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
5019 * tree-loop-distribution.c (distribute_loop): Fix declaration and
5020 initialization of variable res to agree with return type.
5022 2010-01-22 Steve Ellcey <sje@cup.hp.com>
5024 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
5025 * tree-sra.c: Add include of expr.h.
5027 2010-01-22 Jakub Jelinek <jakub@redhat.com>
5029 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
5030 insert the debug stmt on the single non-EH edge from the stmt.
5032 2010-01-22 Richard Henderson <rth@redhat.com>
5035 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
5036 the RHS until after generate_subtree_copies has insertted its
5037 code before the current statement.
5039 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
5041 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
5043 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
5045 2010-01-21 Martin Jambor <mjambor@suse.cz>
5047 PR tree-optimization/42585
5048 * tree-sra.c (struct access): New field grp_total_scalarization.
5049 (dump_access): Dump the new field.
5050 (should_scalarize_away_bitmap): New variable.
5051 (cannot_scalarize_away_bitmap): Likewise.
5052 (sra_initialize): Allocate new bitmaps.
5053 (sra_deinitialize): Free new bitmaps.
5054 (create_access_1): New function.
5055 (create_access): Parts moved to create_access_1.
5056 (type_consists_of_records_p): New function.
5057 (completely_scalarize_record): Likewise.
5058 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
5059 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
5060 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
5062 (analyze_all_variable_accesses): Completely scalarize small eligible
5065 2010-01-21 Martin Jambor <mjambor@suse.cz>
5067 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
5069 2010-01-21 Andrew Haley <aph@redhat.com>
5071 * gcc.c (process_command): Move lang_specific_driver before
5072 setting cc_libexec_prefix.
5074 2010-01-21 Richard Guenther <rguenther@suse.de>
5077 * fold-const.c (negate_expr_p): Pretend only negative
5078 real constants are easily negatable.
5080 2010-01-20 Janis Johnson <janis187@us.ibm.com>
5081 Jason Merrill <jason@redhat.com>
5083 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
5084 (TYPE_TRANSPARENT_AGGR): this, for union and record.
5085 * calls.c (initialize argument_information): Handle it.
5086 * c-common.c (handle_transparent_union_attribute): Use new name.
5087 * c-decl.c (finish_struct): Ditto.
5088 * c-typeck.c (type_lists_compatible_p): Ditto.
5089 (convert_for_assignment): Use new name and also handle record.
5090 * function.c (aggregate_value_p): Handle it.
5091 (pass_by_reference): Ditto.
5092 (assign_parm_data_types): Ditto.
5093 * print-tree.c (print_node): Ditto.
5094 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
5095 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
5096 * tree.c (first_field): New fn.
5098 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
5101 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
5102 even when linking statically, for now.
5104 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
5107 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
5108 without a cselib val.
5109 (count_uses): Accept MO_VAL_SET with no val on stores.
5110 (add_stores): Likewise.
5112 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5114 * var-tracking.c (check_value_val): Add a compile time assertion.
5115 (dv_is_decl_p): Simplify.
5116 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
5117 gcc_assert if ENABLE_CHECKING.
5119 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
5122 * var-tracking.c: Include tree-flow.h.
5123 (mem_dies_at_call): New.
5124 (dataflow_set_preserve_mem_locs): Use it.
5125 (dataflow_set_remove_mem_locs): Likewise.
5126 (dump_var): Renamed from dump_variable. Adjust all callers.
5127 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
5128 * Makefile.in (var-tracking.o): Adjust deps.
5130 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
5132 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
5134 2010-01-20 Richard Guenther <rguenther@suse.de>
5136 PR tree-optimization/42717
5137 * tree-ssa-dce.c (get_live_post_dom): Remove.
5138 (forward_edge_to_pdom): Take an arbitrary edge to copy
5139 degenerate PHI args from.
5140 (remove_dead_stmt): Use the first post-dominator even if it
5141 does not contain live statements as redirection destination.
5143 2010-01-20 Richard Guenther <rguenther@suse.de>
5145 * tree-inline.c (estimate_num_insns): Handle EH builtins.
5147 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5149 * sel-sched.c (create_speculation_check): Remove set but not used
5151 (try_transformation_cache): Remove set but not used variable ds.
5152 (calculate_privileged_insns): Remove set but not used variables
5153 cur_insn and min_spec_insn.
5154 (find_best_expr): Remove set but not used variable avail_n.
5155 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
5157 * cgraphunit.c (assemble_thunk): Remove set but not used variable
5159 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
5160 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
5163 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
5166 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
5167 cpu types. Add support for *-sse3 cpu types.
5168 (x86_64-*-*): Ditto.
5170 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5173 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
5174 argument, call initializer_constant_valid_p_1 instead of
5175 initializer_constant_valid_p, pass CACHE to it, return NULL
5176 immediately if first call returns NULL.
5177 (initializer_constant_valid_p_1): New function.
5178 (initializer_constant_valid_p): Use it.
5180 2010-01-20 Thomas Quinot <quinot@adacore.com>
5182 * tree.def (PLACEHOLDER_EXPR): Fix comment.
5184 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5186 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
5187 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
5188 (loc_list_from_tree): Don't handle unsigned division. Handle
5189 signed modulo using DW_OP_{over,over,div,mul,minus}.
5190 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
5191 modulo instead of signed.
5193 2010-01-20 DJ Delorie <dj@redhat.com>
5195 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
5197 (h8300_emit_stack_adjustment): Propogate it.
5199 (h8300_expand_prologue): Likewise.
5200 (h8300_expand_epilogue): Likewise.
5202 2010-01-19 Michael Matz <matz@suse.de>
5204 PR tree-optimization/41783
5205 * tree-data-ref.c (toplevel): Include flags.h.
5206 (dump_data_dependence_relation): Also dump the inputs if the
5207 result will be unknown.
5208 (split_constant_offset_1): Look through some conversions.
5209 * tree-predcom.c (determine_roots_comp): Restart a new chain if
5210 the offset from last element is too large.
5211 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
5212 (reassociate_to_the_same_stmt): Handle vector registers.
5213 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
5215 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
5216 wide_prolog_niters argument, emit widening instructions.
5217 (vect_do_peeling_for_alignment): Adjust caller, use widened
5218 variant of the iteration cound.
5219 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
5221 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5224 * config/arm/neon-testgen.m (emit_automatics): New parameter
5225 features. Adjust for Fixed_return_reg feature.
5226 (test_intrinsic): Call emit_automatics with new feature.
5227 * config/arm/neon.ml: Update copyright years.
5228 (features): New Fixed_return_reg feature.
5229 (ops): Update feature for Vget_low.
5231 2010-01-19 Jakub Jelinek <jakub@redhat.com>
5233 PR tree-optimization/42719
5234 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
5238 * fwprop.c (all_uses_available_at): Return false if def_set dest
5239 is a REG that is used in def_insn.
5241 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
5243 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
5245 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
5248 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
5250 * target.h (struct gcc_target) <secondary_reload>: Change type
5251 of last argument to secondary_reload_info *.
5253 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
5256 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
5257 memory references with unaligned offsets. Remove CQImode handling.
5258 (unaligned_memory_operand): Return 1 for memory references with
5259 unaligned offsets. Remove CQImode handling.
5261 2010-01-18 Richard Guenther <rguenther@suse.de>
5264 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
5267 2010-01-18 Richard Guenther <rguenther@suse.de>
5269 PR tree-optimization/42781
5270 * tree-ssa-structalias.c (find_what_var_points_to): Skip
5271 restrict processing only if the original variable was artificial.
5273 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
5275 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
5276 find number of popped argument bytes.
5278 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
5279 Fix the text that describes the return value for invalid insns.
5281 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
5283 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
5284 Clarify what 'cost of the -dependence' is. Fix quoting.
5286 * toplev.c (default_get_pch_validity): Rename argument to "sz".
5287 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
5289 2010-01-17 Jakub Jelinek <jakub@redhat.com>
5291 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
5292 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
5294 2010-01-17 Richard Guenther <rguenther@suse.de>
5297 * function.c (split_complex_args): Take a VEC to modify.
5298 (assign_parms_augmented_arg_list): Build a VEC instead of
5299 a chain of PARM_DECLs.
5300 (assign_parms_unsplit_complex): Take a VEC of arguments.
5301 Do not fixup unmodified parms.
5302 (assign_parms): Deal with the VEC.
5303 (gimplify_parameters): Likewise.
5305 2010-01-17 Richard Guenther <rguenther@suse.de>
5307 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
5308 node existence check.
5309 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
5310 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
5311 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
5312 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
5313 (gimple_execute_on_growing_pred): Likewise.
5315 2010-01-17 Richard Guenther <rguenther@suse.de>
5317 PR tree-optimization/42773
5318 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
5319 (compute_antic_aux): Likewise.
5320 (compute_partial_antic_aux): Likewise.
5322 2010-01-17 Jie Zhang <jie.zhang@analog.com>
5325 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
5328 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
5330 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
5333 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
5334 Fix markup for strict argument.
5336 (TARGET_SCHED_REORDER2): Fix argument types.
5338 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
5339 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
5341 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
5342 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
5344 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
5347 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
5348 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
5349 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
5350 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
5351 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
5353 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
5355 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
5357 (TARGET_ASM_RELOC_RW_MASK): Add return type.
5358 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
5360 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
5362 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
5365 (TARGET_ASM_NAMED_SECTION): Fix argument list.
5367 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
5368 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
5370 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
5372 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
5374 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
5375 referring to it. Fix language.
5377 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
5379 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
5381 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
5383 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
5385 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
5386 '@var{stream}. Remove stray 'and'.
5388 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
5390 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
5392 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
5394 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
5395 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
5397 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
5398 Fix description of return value.
5399 Rename argument "sz" to "len."
5401 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
5402 Clarify meaning of 'true' return value.
5404 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
5406 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
5407 rep_mode versus mode_rep.
5409 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
5411 (TARGET_BUILTIN_DECL): Fix name.
5413 (TARGET_COMMUTATIVE_P): Fix type of first argument.
5415 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
5417 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
5419 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
5421 (TARGET_RELAXED_ORDERING): Use @deftypevr.
5423 (TARGET_GET_DRAP_RTX): Note that this is a hook.
5426 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
5427 Rename argument tm_fn to md_fn.
5429 (TARGET_OPTION_PRINT): Fix argument list.
5431 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
5434 * config/i386/i386.c (ix86_fixup_binary_operands):
5435 Revert FMA4 fixup of operands.
5437 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5440 * Makefile.in (write_entries_to_file, install-plugin):
5441 Use \012 instead of \n with tr.
5443 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
5445 * configure.ac (HAVE_AS_REF): New C macro.
5446 * configure: Regenerate.
5447 * config.in: Likewise.
5448 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
5450 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
5453 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
5455 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
5457 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
5459 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
5461 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
5463 (TARGET_IN_SMALL_DATA_P): Fix argument type.
5465 (TARGET_BINDS_LOCAL_P): Fix argument type.
5467 (TARGET_ASM_FILE_END): Use prototype.
5469 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
5471 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
5473 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
5475 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
5477 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
5478 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
5480 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
5481 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
5483 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
5484 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
5485 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
5486 (TARGET_ADDR_SPACE_CONVERT): Likewise.
5488 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
5490 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
5492 (TARGET_INIT_BUILTINS): Use prototype.
5494 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
5495 Put 'const char *' in braces. Fix parameter types.
5496 (TARGET_INVALID_CONVERSION): Fix parameter types.
5497 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
5498 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
5500 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
5503 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
5505 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
5507 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
5509 * doc/tm.texi (TARGET_HELP): Fix return type.
5511 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
5512 in braces. Fix argument types.
5514 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
5516 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
5518 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
5520 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
5521 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
5523 (TARGET_MANGLE_TYPE): Fix argument types.
5525 (TARGET_IRA_COVER_CLASSES): Use prototype.
5527 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
5529 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
5531 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
5533 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
5535 (TARGET_CALLEE_COPIES): Fix argument types.
5537 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
5539 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
5541 (TARGET_FUNCTION_VALUE): Fix argument types.
5543 (TARGET_RETURN_IN_MSB): Fix argument type.
5545 (TARGET_RETURN_IN_MEMORY): Fix argument types.
5547 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
5549 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
5551 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
5552 agree with return type.
5554 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
5556 2010-01-15 Jing Yu <jingyu@google.com>
5558 PR rtl-optimization/42691
5559 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
5560 a pseudo to a constant and are merged, and adjust comments.
5562 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
5564 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
5566 2010-01-15 Richard Guenther <rguenther@suse.de>
5569 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
5570 labels of computed or non-local gotos to the destination.
5571 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
5572 landing pad label is the first label.
5574 2010-01-15 Richard Guenther <rguenther@suse.de>
5576 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
5578 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
5581 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
5582 to allow generation of the xssqrtdp instruction on power7.
5583 (sqrtdf2_fpr): Ditto.
5585 2010-01-14 Jakub Jelinek <jakub@redhat.com>
5588 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
5589 functions with noreturn attribute.
5592 * varasm.c (declare_weak): Add weak attribute to decl if it
5593 doesn't have one already.
5594 (assemble_external): Only add decls to weak_decls if they also
5595 have weak attribute.
5597 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
5599 * var-tracking.c (var_reg_delete): Don't delete the association
5600 between REGs and values or one-part variables if the register
5603 2010-01-14 Jakub Jelinek <jakub@redhat.com>
5606 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
5607 because its first operand is a non-localized variable.
5609 2010-01-14 Martin Jambor <mjambor@suse.cz>
5611 PR tree-optimization/42706
5612 * tree-sra.c (encountered_recursive_call): New variable.
5613 (encountered_unchangable_recursive_call): Likewise.
5614 (sra_initialize): Initialize both new variables.
5615 (callsite_has_enough_arguments_p): New function.
5616 (scan_function): Call decl and flags check only for IPA-SRA, check
5617 whether there is a recursive call and whether it has enough arguments.
5618 (all_callers_have_enough_arguments_p): New function.
5619 (convert_callers): Look for recursive calls only when
5620 encountered_recursive_call is set.
5621 (ipa_early_sra): Bail out either if
5622 !all_callers_have_enough_arguments_p or
5623 encountered_unchangable_recursive_call.
5625 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5627 * sel-sched.c: Add 2010 to copyright years.
5628 * sel-sched-ir.c: Likewise.
5629 * sel-sched-ir.h: Likewise.
5631 2010-01-14 Martin Jambor <mjambor@suse.cz>
5633 PR tree-optimization/42714
5634 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
5635 constructors specially.
5637 2010-01-14 Andi Kleen <ak@linux.intel.com>
5639 * config/i386/drivers-i386.c (detect_caches_intel):
5640 Add l2sizekb parameter and fill in.
5641 (host_detect_local_cpu): Add l2sizekb, fill in.
5642 Add Atom small cache heuristic.
5644 2010-01-14 Andi Kleen <ak@linux.intel.com>
5646 * config/i386/drivers-i386.c (detect_caches_cpuid4):
5647 Add level3 parameter and fill in.
5648 (detect_caches_intel): Handle level3 cache.
5650 2010-01-14 Andi Kleen <ak@linux.intel.com>
5652 * config/i386/drivers-i386.c (host_detect_local_cpu):
5653 Fix core duo detection.
5655 2010-01-14 Andi Kleen <ak@linux.intel.com>
5657 * config/i386/drivers-i386.c (host_detect_local_cpu):
5660 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5662 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
5663 (rs6000_variable_issue_1): this. Use...
5664 (rs6000_variable_issue): here. Reimplement. Print debug info.
5666 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5668 * sel-sched-ir.c (sel_restore_other_notes): Rename to
5669 sel_restore_notes. Update all callers. Call reemit_notes
5672 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5674 PR rtl-optimization/42246
5675 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
5678 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5680 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
5681 all successors is the same as number of successors in current region.
5683 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5685 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
5686 to rename is not separable. Otherwise check that its LHS is not NULL.
5688 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5690 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
5692 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5694 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
5695 available registers when failed to discover LHS register class.
5696 Fix indentation. Update comment.
5698 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5699 Alexander Monakov <amonakov@ispras.ru>
5701 PR rtl-optimization/42389
5702 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
5704 (advance_state_on_fence): Likewise.
5705 (sel_target_adjust_priority): Print debug output only when
5706 sched_verbose >= 4, not 2.
5707 (get_expr_cost): Do not issue all unique insns on the next cycle.
5708 (fill_insns): Initialize can_issue_more from the value saved
5710 * sel-sched-ir.c (flist_add): New parameter issue_more.
5711 Init FENCE_ISSUE_MORE with it.
5712 (merge_fences): Likewise.
5713 (init_fences): Update call to flist_add.
5714 (add_to_fences, add_clean_fence_to_fences)
5715 (add_dirty_fence_to_fences): Likewise.
5716 (move_fence_to_fences): Update call to merge_fences.
5717 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
5719 * sel-sched-ir.h (struct _fence): New field issue_more.
5720 (FENCE_ISSUE_MORE): New accessor macro.
5722 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5724 PR rtl-optimization/42388
5725 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
5726 that have no predecessors nor successors. Do not call move_bb_info
5727 for empty blocks outside of current region.
5729 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5731 PR rtl-optimization/42294
5732 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
5733 * sel-sched.c (move_exprs_to_boundary): Transitively add all
5734 originators' originators.
5736 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5738 PR rtl-optimization/39453
5739 PR rtl-optimization/42246
5740 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
5742 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
5744 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5745 Alexander Monakov <amonakov@ispras.ru>
5748 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
5749 (maybe_tidy_empty_bb): ... here. Make static. Add new
5750 argument. Update all callers.
5751 (tidy_control_flow): ... and here. Recompute topological order
5752 of basic blocks in region if necessary.
5753 (sel_redirect_edge_and_branch): Change return type. Return true
5754 if topological order might have been invalidated.
5755 (purge_empty_blocks): Export and move from...
5756 * sel-sched.c (purge_empty_blocks): ... here.
5757 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
5758 (maybe_tidy_empty_bb): Delete prototype.
5759 (purge_empty_blocks): Declare.
5761 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5763 PR rtl-optimization/42249
5764 * sel-sched.c (try_replace_dest_reg): When chosen register
5765 and original register is the same, do not bail out early, but
5766 still check all original insns for validity of replacing destination
5767 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
5770 2010-01-14 Jakub Jelinek <jakub@redhat.com>
5773 Port from no-undefined-overflow branch:
5774 2009-03-09 Richard Guenther <rguenther@suse.de>
5776 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
5778 2010-01-14 Richard Guenther <rguenther@suse.de>
5781 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
5783 2010-01-14 Ira Rosen <irar@il.ibm.com>
5785 PR tree-optimization/42709
5786 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
5787 as scalar type in creation of constant vector operand.
5789 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5792 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
5793 (check-parallel-%): Match `testsuite' directory component only
5796 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
5798 PR translation/39521
5799 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
5802 2010-01-13 Richard Guenther <rguenther@suse.de>
5804 PR tree-optimization/42730
5805 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
5808 2010-01-13 Steve Ellcey <sje@cup.hp.com>
5811 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
5812 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
5815 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
5817 * config/bfin/libgcc-bfin.ver: Regenerate based on current
5818 libgcc-std.ver. Add entries for ___smulsi3_highpart and
5819 ___umulsi3_highpart.
5821 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
5822 rather than schedule_insns if the pass is enabled.
5824 2010-01-13 Martin Jambor <mjambor@suse.cz>
5826 PR tree-optimization/42704
5827 * tree-sra.c (sra_modify_assign): Do not delete assignments to
5830 2010-01-13 Martin Jambor <mjambor@suse.cz>
5832 PR tree-optimization/42703
5833 * tree-sra.c (analyze_access_subtree): Check that we can build a
5834 reference to the original data within the aggregate.
5836 2010-01-13 Richard Guenther <rguenther@suse.de>
5838 PR tree-optimization/42705
5839 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
5841 2010-01-13 Richard Guenther <rguenther@suse.de>
5844 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
5846 2010-01-13 Jakub Jelinek <jakub@redhat.com>
5849 * var-tracking.c (values_to_unmark): New variable.
5850 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
5851 values_to_unmark vector. Moved body to...
5852 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
5853 instead queue it into values_to_unmark vector.
5854 (vt_find_locations): Free values_to_unmark vector.
5856 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
5858 * config/s390/s390.c (override_options): Set
5859 default of max-pending-list-length to 256
5861 2010-01-13 Richard Guenther <rguenther@suse.de>
5864 * tree-pass.h (PROP_gimple_lcx): New.
5865 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
5866 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
5867 before the final cleanup_eh.
5868 (dump_properties): Dump PROP_gimple_lcx.
5869 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
5870 (tree_lower_complex_O0): Remove.
5871 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
5872 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
5873 tree_lower_complex, schedule TODO_update_ssa.
5874 * lto-streamer-out.c (output_function): Stream the functions
5876 * lto-streamer-in.c (input_function): Likewise.
5877 (lto_read_body): Do not override them here.
5879 2010-01-12 Joseph Myers <joseph@codesourcery.com>
5882 * c-typeck.c (build_c_cast): Fold value cast to union type before
5883 wrapping it in a CONSTRUCTOR.
5885 2010-01-12 Jakub Jelinek <jakub@redhat.com>
5887 PR rtl-optimization/42699
5888 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
5891 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5893 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
5894 SUBTARGET_WARN_UNUSED_SPEC): Move ...
5895 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
5896 SUBTARGET_WARN_UNUSED_SPEC): ... here
5897 * config/mips/iris5.h (LIBGCC_SPEC): Define.
5899 2010-01-12 Julian Brown <julian@codesourcery.com>
5901 * config/arm/neon-schedgen.ml (Utils): Don't try to
5902 open missing module.
5903 (find_with_result): New.
5905 2010-01-12 Jakub Jelinek <jakub@redhat.com>
5908 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
5909 sharing when canonicalizing ({lt,ge}u (plus a b) b).
5911 PR tree-optimization/42645
5912 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
5913 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
5914 decl_map, set processing_debug_stmt to -1 and return name without
5917 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
5919 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
5920 binutils version, and reword target configuration description.
5922 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
5924 * config/avr/avr.h (LINKER_NAME): Remove.
5926 2010-01-11 Janis Johnson <janis187@us.ibm.com>
5929 * config/rs6000/rs6000.c (rs6000_override_options): On targets
5930 that support VSX, warn for -mno-altivec if vsx is not disabled,
5933 2010-01-11 Joseph Myers <joseph@codesourcery.com>
5934 Shujing Zhao <pearly.zhao@oracle.com>
5936 PR translation/42469
5937 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
5938 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
5939 character between option name and help text.
5940 * c.opt (imultilib): Likewise.
5942 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
5944 * lto-streamer-out.c (output_unreferenced_globals): Output static
5947 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
5949 PR rtl-optimization/42621
5950 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
5951 optimizing for size.
5952 (duplicate_computed_gotos): Remove now-redundant check.
5954 2010-01-10 Steve Ellcey <sje@cup.hp.com>
5957 * configure.ac: Save and restore LDFLAGS and LIBS
5958 * configure: Regenerate.
5960 2010-01-10 Richard Guenther <rguenther@suse.de>
5963 * builtins.c (fold_builtin_strlen): Add type argument and
5964 convert the resulting length to it.
5965 (fold_builtin_1): Adjust.
5967 2010-01-09 Jakub Jelinek <jakub@redhat.com>
5969 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
5970 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
5972 (num_insns_constant_wide): Adjust for that change.
5974 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5977 * web.c (union_defs): Add used argument, to combine uses of
5979 (entry_register): Adjust type and tests of used argument.
5980 (web_main): Widen used for new use. Pass it to union_defs.
5981 * df.h (union_defs): Adjust prototype.
5983 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5986 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
5987 uses in new incoming argument. Free body.
5988 (reset_debug_uses_in_loop): New.
5989 (analyze_insn_to_expand_var): Call the latter if the former found
5990 anything. Fix whitespace. Reject invalid dest overlaps before
5991 going through all insns in the loop.
5993 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5996 * haifa-sched.c (dying_use_p): Debug insns don't count.
5998 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6001 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
6002 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
6003 (verify_gimple_call): Reject LHS in noreturn calls.
6005 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6009 * tree-vect-loop-manip.c (adjust_info): New type.
6010 (adjust_vec): New pointer to vector.
6011 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
6012 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
6013 (slpeel_update_phis_for_duplicate_loop): Use them.
6014 (slpeel_update_phi_nodes_for_guard1): Likewise.
6015 (slpeel_update_phi_nodes_for_guard2): Likewise.
6016 (slpeel_tree_peel_loop_to_edge): Likewise.
6017 (vect_update_ivs_after_vectorizer): Likewise.
6019 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6021 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
6022 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
6024 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6026 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
6027 bogus uninitialized warning.
6029 2010-01-09 Richard Guenther <rguenther@suse.de>
6032 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
6033 the evolution is compatible with the initial condition.
6035 2010-01-09 Jakub Jelinek <jakub@redhat.com>
6037 * gcc.c (process_command): Update copyright notice dates.
6038 * gcov.c (print_version): Likewise.
6039 * gcov-dump.c (print_version): Likewise.
6040 * mips-tfile.c (main): Likewise.
6041 * mips-tdump.c (main): Likewise.
6043 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
6046 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
6048 (rotlhi3_8): Delete.
6050 (rotlsi3_8): Delete.
6051 (rotlsi3_16): Delete.
6052 (rotlsi3_24): Delete.
6054 (*rotw<mode>3): New.
6055 (*rotb<mode>3): New.
6056 * config/avr/avr.c (avr_rotate_bytes): New function.
6057 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
6059 2010-01-08 Steve Ellcey <sje@cup.hp.com>
6062 * configure.ac: Modify -rdynamic check.
6063 * configure: Regenerate.
6065 2010-01-08 DJ Delorie <dj@redhat.com>
6067 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
6068 register popping order.
6070 2010-01-08 Richard Guenther <rguenther@suse.de>
6073 * c.opt (fsigned-char): Also let LTO handle this option.
6074 (funsigned-char): Likewise.
6076 2010-01-07 Richard Guenther <rguenther@suse.de>
6078 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
6079 (gimple_op): Likewise.
6080 (gimple_op_ptr): Likewise.
6081 (gimple_assign_set_lhs): Remove gcc_assert.
6082 (gimple_assign_set_rhs1): Likewise.
6083 (gimple_assign_set_rhs2): Likewise.
6084 (gimple_call_set_lhs): Likewise.
6085 (gimple_call_set_fn): Likewise.
6086 (gimple_call_set_fndecl): Likewise.
6087 (gimple_call_fndecl): Likewise.
6088 (gimple_call_return_type): Likewise.
6089 (gimple_call_set_chain): Likewise.
6090 (gimple_call_num_args): Likewise.
6091 (gimple_call_set_arg): Likewise.
6092 (gimple_cond_set_code): Likewise.
6093 (gimple_cond_set_lhs): Likewise.
6094 (gimple_cond_set_rhs): Likewise.
6095 (gimple_cond_set_true_label): Likewise.
6096 (gimple_cond_set_false_label): Likewise.
6097 (gimple_label_set_label): Likewise.
6098 (gimple_goto_set_dest): Likewise.
6099 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
6100 (gimple_debug_bind_get_value): Likewise.
6101 (gimple_debug_bind_get_value_ptr): Likewise.
6102 (gimple_debug_bind_set_var): Likewise.
6103 (gimple_debug_bind_set_value): Likewise.
6104 (gimple_debug_bind_reset_value): Likewise.
6105 (gimple_debug_bind_has_value_p): Likewise.
6106 (gimple_return_retval_ptr): Remove gcc_assert.
6107 (gimple_return_retval): Likewise.
6108 (gimple_return_set_retval): Likewise.
6109 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
6110 (safe_referenced_var_iterator): Remove.
6111 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
6112 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
6113 (fill_referenced_var_vec): Remove.
6114 (first_readonly_imm_use): Remove redundant gcc_assert.
6115 (phi_arg_index_from_use): Combine gcc_asserts.
6116 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
6117 (first_imm_use_stmt): Remove redundant gcc_assert.
6118 * tree-cfg.c (verify_gimple_call): Verify function and chain
6119 operands. Verify arguments.
6120 (verify_types_in_gimple_stmt): Verify condition code and labels.
6122 2010-01-07 Richard Guenther <rguenther@suse.de>
6124 PR tree-optimization/42641
6125 * sese.c (rename_map_elt_info): Use the SSA name version, do
6128 2010-01-07 Jakub Jelinek <jakub@redhat.com>
6130 PR tree-optimization/42625
6131 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
6132 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
6134 2010-01-07 Duncan Sands <baldrick@free.fr>
6136 * Makefile.in (PLUGIN_HEADERS): Add version.h.
6138 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
6141 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
6142 note itself is not function_invariant_p.
6144 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
6146 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
6147 Do not add the DF_NOTE problem.
6148 * store-motion.c (execute_rtl_store_motion): Likewise.
6150 2010-01-07 Martin Jambor <mjambor@suse.cz>
6152 PR tree-optimization/42157
6153 * tree-sra.c (compare_access_positions): Stabilize sort if both
6154 accesses have integer types, return zero immediately if they are the
6157 2010-01-06 Richard Henderson <rth@redhat.com>
6160 * haifa-sched.c (add_to_note_list): Merge into ...
6161 (concat_note_lists): ... here, and ...
6162 (unlink_other_notes, rm_other_notes): Merge into...
6163 (remove_notes): ... here. Create REG_SAVE_NOTEs for
6164 NOTE_INSN_EPILOGUE_BEG.
6166 2010-01-06 Richard Guenther <rguenther@suse.de>
6168 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
6169 not inline regular functions into always-inline functions.
6171 2010-01-06 Nick Clifton <nickc@redhat.com>
6173 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
6174 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
6176 (OVERRIDE_OPTIONS): Delete.
6177 (OPTIMIZATION_OPTIONS): Define.
6178 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
6179 * config/rx/rx.c (rx_handle_option): Issue an error message if
6180 -mcpu=rx200 and -fpu are used together.
6181 (rx_set_optimization_options): New function. Issue an error
6182 message if an optimization attribute attempts to reset the FPU/
6183 math optimization pairing.
6184 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
6185 * config/rx/rx.opt: Set the default to 32-bit doubles.
6186 * config/rx/t-rx: Add multilibs for -nofpu option.
6187 * doc/invoke.texi: Update documentation of RX options.
6189 2010-01-06 Richard Guenther <rguenther@suse.de>
6191 * tree-ssa-pre.c (name_to_id): New global.
6192 (alloc_expression_id): Simplify SSA name handling.
6193 (lookup_expression_id): Likewise.
6194 (init_pre): Zero name_to_id.
6195 (fini_pre): Free it.
6197 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
6199 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
6201 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
6204 * config/i386/sse.md (smaxv2di3): New.
6205 (umaxv2di3): Likewise.
6206 (sminv2di3): Likewise.
6207 (uminv2di3): Likewise.
6209 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
6212 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
6213 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
6214 (legitimize_tls_address): Likewise.
6215 (sparc_tls_referenced_p): Likewise.
6216 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
6217 and adjust calls to legitimize_pic_address.
6218 (legitimate_constant_p) Use sparc_tls_referenced_p.
6219 (legitimate_pic_operand_p): Likewise.
6220 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
6221 (sparc_tls_symbol_ref_1): Delete.
6222 (sparc_tls_referenced_p): Make static, recognize specific patterns.
6223 (legitimize_tls_address): Make static, handle CONST patterns.
6224 (legitimize_pic_address): Make static, remove unused parameter and
6225 adjust recursive calls.
6226 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
6227 and adjust call to legitimize_pic_address.
6228 (sparc_output_mi_thunk): Likewise.
6230 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
6231 H.J. Lu <hongjiu.lu@intel.com>
6234 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
6235 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
6236 operands to make them signed.
6239 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6242 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
6243 GTU to GT for V4SI and V2DI.
6245 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
6246 (umin<mode>3): Removed.
6248 (uminv4si3): Likewise.
6250 2010-01-05 Martin Jambor <mjambor@suse.cz>
6252 PR tree-optimization/42462
6253 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
6254 current_function_decl to helper functions and macros.
6256 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6259 * flags.h: Don't include real.h.
6260 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
6261 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
6262 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
6263 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
6264 * dominance.c: Update copyright.
6265 * gimple.c (walk_gimple_op): Remove inline.
6266 * tree-ssa-reassoc.c: Include real.h.
6267 * Makefile.in (FLAGS_H): Remove $(REAL_H).
6268 (tree-ssa-reassoc.o): Depend on $(REAL_H).
6270 2010-01-05 Nick Clifton <nickc@redhat.com>
6272 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
6273 register to push into the stack frame when the accumulator has to
6274 be saved during interrupts.
6276 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
6278 * doc/invoke.texi: Remove the documentation about option
6280 * common.opt (Wunreachable-code): Preserved for backward
6282 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
6283 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
6284 the backward compatibility flag section.
6286 2010-01-05 Richard Guenther <rguenther@suse.de>
6288 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
6290 2010-01-05 Jakub Jelinek <jakub@redhat.com>
6293 * cfgexpand.c (expand_one_var): Diagnose too large variables.
6295 PR tree-optimization/42508
6296 * tree-sra.c (convert_callers): Check for recursive call
6297 by comparing cgraph nodes instead of decls.
6298 (modify_function): Call ipa_modify_formal_parameters also
6299 on all same_body aliases.
6301 * cgraphunit.c (cgraph_materialize_all_clones): Compare
6302 cgraph nodes when checking for same_body aliases.
6304 2010-01-05 Richard Guenther <rguenther@suse.de>
6306 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
6307 allocation and lookup.
6308 (get_or_alloc_expr_for_constant): Likewise.
6309 (phi_translate): Sink allocation.
6311 2010-01-04 Richard Guenther <rguenther@suse.de>
6313 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
6314 a new entry only if needed.
6315 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
6316 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
6318 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
6320 (phi_translate): Handle CONSTANTs early.
6322 2010-01-04 Martin Jambor <mjambor@suse.cz>
6324 PR tree-optimization/42398
6325 * tree-sra.c (struct access): Removed flag grp_different_types.
6326 (dump_access): Do not dump the removed flag.
6327 (sort_and_splice_var_accesses): Do not set the removed flag.
6328 (sra_modify_expr): Check for type compatibility directly.
6330 2010-01-04 Martin Jambor <mjambor@suse.cz>
6332 PR tree-optimization/42366
6333 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
6334 edges with variable number of parameters.
6335 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
6336 flag instead of asserting it.
6337 (ipa_read_node_info): Read uses_analysis_done flag.
6339 2010-01-04 Richard Guenther <rguenther@suse.de>
6341 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
6342 iterative_hash_* as intended.
6343 (vn_reference_compute_hash): Likewise. Simplify hashing
6345 (vn_reference_lookup_2): Likewise.
6346 (vn_nary_op_compute_hash): Likewise.
6347 (vn_phi_compute_hash): Likewise.
6348 (expressions_equal_p): Remove strange code.
6349 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
6350 (pre_expr_hash): Likewise. Simplify hashing SSA names.
6351 (bitmap_insert_into_set_1): Take value-id as parameter.
6352 (add_to_value): Pass it.
6353 (bitmap_insert_into_set): Likewise.
6354 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
6356 2010-01-04 Jakub Jelinek <jakub@redhat.com>
6359 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
6360 (do_self_spec): For switches with SWITCH_IGNORE set set also
6361 SWITCH_IGNORE_PERMANENTLY.
6362 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
6365 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
6367 * lto-streamer-out.c (output_unreferenced_globals): Output the full
6368 tree of an unreferenced global var.
6370 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6373 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
6374 GTU to GT for V4SI and V2DI.
6376 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
6377 (umin<mode>3): Removed.
6379 (uminv4si3): Likewise.
6381 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6384 * collect2.c (main): Turn on trace in collect2 if -v is passed
6387 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
6389 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
6390 description of expression operand.
6392 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
6394 * configure.ac: Add install-html to target_list for Make-hooks.
6395 * configure: Regenerate.
6396 * fortran/Make-lang.in (F95_HTMLFILES): New.
6397 (fortran.html): Use it.
6398 (fortran.install-html): New.
6399 * Makefile.in (install-html): Add lang.install-html.
6400 * java/Make-lang.in (JAVA_HTMLFILES): New.
6401 (java.html): Use it.
6402 (java.install-html): New.
6403 * objc/Make-lang.in (objc.install-html): New.
6404 * objcp/Make-lang.in (obj-c++.install-html): New.
6405 * cp/Make-lang.in (c++.install-html): New.
6406 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
6407 * lto/Make-lang.in (lto.install-html): New.
6409 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
6412 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
6414 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
6416 PR rtl-optimization/41862
6417 * store-motion.c (store_killed_in_insn, compute_store_table,
6418 remove_reachable_equiv_notes, replace_store_insn,
6419 build_store_vectors): Ignore all DEBUG_INSNs.
6421 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
6424 * common.opt: Add dumpdir.
6426 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
6428 (option_map): Add --dumpdir.
6430 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
6432 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
6434 * opts.c (decode_options): Try dump_dir_name first if
6435 dump_base_name isn't an absolute path.
6436 (common_handle_option): Handle OPT_dumpdir.
6438 * toplev.c (dump_dir_name): New.
6439 (print_switch_values): Also ignore -dumpdir.
6441 * toplev.h (dump_dir_name): New.
6443 2010-01-03 Richard Guenther <rguenther@suse.de>
6445 PR tree-optimization/42589
6446 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
6447 double-word expansion of bswap32.
6449 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
6451 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
6452 with BLOCK_FOR_INSN.
6453 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
6454 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
6455 noce_process_if_block): Likewise.
6456 * gcse.c (compute_local_properties, insert_expr_in_table,
6457 insert_set_in_table, canon_list_insert, find_avail_set,
6458 pre_insert_copy_insn): Likewise.
6460 * basic-block.h (BLOCK_NUM): Move from here...
6461 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
6463 2010-01-03 Richard Guenther <rguenther@suse.de>
6465 PR tree-optimization/42438
6466 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
6467 contains_may_not_return_call flag.
6468 (BB_MAY_NOTRETURN): New.
6469 (valid_in_sets): Trapping nary operations are not valid
6470 in blocks that may not return.
6471 (insert_into_preds_of_block): Remove check for trapping expressions.
6472 (compute_avail): Compute also BB_MAY_NOTRETURN.
6474 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
6476 * doc/invoke.texi: Add 2010 to copyright years.
6478 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
6480 * config/sparc/sparc.c: Fix formatting nits.
6482 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
6483 Alexander Monakov <amonakov@ispras.ru>
6485 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
6487 2010-01-02 Richard Guenther <rguenther@suse.de>
6490 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
6491 (simplify_switch_using_ranges): Mark to be removed edges
6494 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6496 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
6498 * collect2.c (scan_libraries): Add missing argument in call to
6501 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
6504 * config/alpha/predicates.md (aligned_memory_operand): Return false
6506 (unaligned_memory_operand): Return true for CQImode.
6507 * config/alpha/alpha.c (get_aligned_mem): Assert that location
6508 doesn not cross aligned SImode word boundary.
6510 2010-01-02 Anatoly Sokolov <aesok@post.ru>
6512 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
6514 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
6515 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
6517 2010-01-02 Richard Guenther <rguenther@suse.de>
6520 * toplev.c (compile_file): Emit LTO marker properly. Change
6522 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
6524 2010-01-01 Richard Guenther <rguenther@suse.de>
6527 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
6529 2010-01-01 Richard Guenther <rguenther@suse.de>
6532 * c-decl.c (grokdeclarator): For zero-size arrays force
6533 structural equality checks as layout_type does.
6535 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
6537 * builtins.c: Update copyright to 2010.
6539 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
6542 * lto-streamer-out.c (produce_asm): Revert the last change.
6543 (copy_function): Likewise.
6545 * lto-streamer.c (lto_get_section_name): Skip any leading
6548 2010-01-01 Richard Guenther <rguenther@suse.de>
6551 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
6555 Copyright (C) 2010 Free Software Foundation, Inc.
6557 Copying and distribution of this file, with or without modification,
6558 are permitted in any medium without royalty provided the copyright
6559 notice and this notice are preserved.