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.