1 2010-03-19 David S. Miller <davem@davemloft.net>
3 With help from Eric Botcazou.
4 * config/sparc/sparc.c: Include dwarf2out.h.
5 (emit_pic_helper): Delete.
6 (pic_helper_symbol_name): Delete.
7 (pic_helper_emitted_p): Delete.
8 (pic_helper_needed): New.
9 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
10 (get_pc_thunk_name): New.
11 (load_pic_register): Remove 'delay_pic_helper' arg. Use
12 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
13 Set pic_helper_needed to true. Don't call emit_pic_helper.
14 (sparc_expand_prologue): Update load_pic_register call.
15 (sparc_output_mi_thunk): Likewise.
16 (sparc_file_end): Emit a hidden comdat symbol for the PIC
17 thunk if possible. Output CFI information as needed.
19 2010-03-11 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
20 Jack Howarth <howarth@bromo.med.uc.edu>
23 * gcc/config/i386/i386.h: Fix ABI on darwin x86-32.
25 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
27 * tree.h: Declare make_decl_rtl_for_debug.
28 * varasm.c (make_decl_rtl_for_debug): New.
29 * dwarf2out.c (rtl_for_decl_location): Call it.
30 * cfgexpand.c (expand_debug_expr): Call it.
32 2010-03-18 Jakub Jelinek <jakub@redhat.com>
35 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
39 * var-tracking.c (vt_init_cfa_base): Do nothing if
40 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed
43 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
46 * var-tracking.c (canonicalize_vars_star): New.
47 (dataflow_post_merge_adjust): Use it.
49 2010-03-18 Jakub Jelinek <jakub@redhat.com>
52 * var-tracking.c (non_suitable_const): New function.
53 (add_uses): For DEBUG_INSNs with constants, don't record any
54 value, instead just the constant value itself.
55 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
56 is not VAR_LOC_UNKNOWN_P, set var to the constant.
57 (emit_notes_in_bb): Likewise.
58 (emit_note_insn_var_location): For onepart variables if
59 cur_loc is a VOIDmode constant, use DECL_MODE.
61 2010-03-18 Martin Jambor <mjambor@suse.cz>
64 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
65 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
66 all non-clones. Moved call redirection...
67 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new
69 (cgraph_materialize_all_clones): Dispose of all
70 combined_args_to_skip bitmaps.
71 (verify_cgraph_node): Do not check for edges pointing to wrong
72 nodes in inline clones.
73 * tree-inline.c (copy_bb): Call
74 cgraph_redirect_edge_call_stmt_to_callee.
75 * ipa.c (cgraph_remove_unreachable_nodes): Call
76 cgraph_node_remove_callees even when there are used clones.
78 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
80 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
82 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
85 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
88 2010-03-18 Michael Matz <matz@suse.de>
91 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
92 into sqrt(x) if we need to preserve signed zeros.
94 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
95 Eric Botcazou <ebotcazou@adacore.com>
97 PR rtl-optimization/43360
98 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
99 note if we don't know its invariant status.
101 2010-03-18 Michael Matz <matz@suse.de>
103 PR tree-optimization/43402
104 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
105 PHI chains of ssa names registered for update.
107 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
110 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
111 non-offsettable and pre_modify update addressing.
112 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
113 and "2" alternatives "#".
114 (*movdd_softfloat32): Make all alternatives "#";
115 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
116 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
117 (*movdf_softfloat32): Make all alternatives "#";
118 (movdi): Use the new DIFD mode iterator to create a common splitter
119 for movdi, movdf and movdd patterns.
121 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
123 * common.opt (dumpdir): Remove redundant tab.
125 2010-03-17 Martin Jambor <mjambor@suse.cz>
127 PR tree-optimization/43347
128 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
129 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
131 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
133 PR rtl-optimization/42216
134 * regrename.c (create_new_chain): New function, broken out from...
135 (scan_rtx_reg): ... here. Call it. Handle the case where we are
136 appending a use to an empty chain.
137 (build_def_use): Remove previous changes that convert OP_INOUT to
138 OP_OUT operands; instead detect the case where an OP_INOUT operand
139 uses a previously untracked register and create an empty chain for
142 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
144 * doc/extend.texi (Function Attributes): Rewrite unfinished
145 sentence in ms_abi documentation.
147 2010-03-17 Alan Modra <amodra@gmail.com>
149 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
150 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
151 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
152 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
154 2010-03-16 Richard Henderson <rth@redhat.com>
157 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
158 (lower_try_finally): Save and restore eh_seq around the expansion
161 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
163 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
164 statements before splitting block.
166 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
168 * doc/sourcebuild.texi (Testsuites): Fix markup.
169 Use pathnames relative to gcc/testsuite.
170 (Test Directives): Move description of how timeout is determined.
171 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
172 (C Tests): Correct gcc.misc-tests directory.
173 Framework tests now live in gcc.test-framework.
175 2010-03-16 Richard Guenther <rguenther@suse.de>
178 * tree-cfg.c (gimple_merge_blocks): When propagating virtual
179 PHI operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI
182 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
183 Alexandre Oliva <aoliva@redhat.com>
185 PR tree-optimization/42917
186 * lambda-code.c (remove_iv): Skip debug statements.
187 (lambda_loopnest_to_gcc_loopnest): Likewise.
188 (not_interesting_stmt): Debug statements are not interesting.
190 2010-03-16 Jakub Jelinek <jakub@redhat.com>
194 * cselib.c (cselib_preserve_constants,
195 cfa_base_preserved_val): New static variables.
196 (preserve_only_constants): New function.
197 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
198 clear its REG_VALUES. If cselib_preserve_constants, don't
199 empty the whole hash table, but preserve there VALUEs with constants,
200 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
201 (cselib_preserve_cfa_base_value): New function.
202 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
203 (cselib_init): Change argument to int bitfield. Set
204 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
206 (cselib_finish): Clear cselib_preserve_constants and
207 cfa_base_preserved_val.
208 * cselib.h (enum cselib_record_what): New enum.
209 (cselib_init): Change argument to int.
210 (cselib_preserve_cfa_base_value): New prototype.
211 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
212 * dse.c (dse_step1): Likewise.
213 * cfgcleanup.c (thread_jump): Likewise.
214 * sched-deps.c (sched_analyze): Likewise.
215 * gcse.c (local_cprop_pass): Likewise.
216 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
217 If FN is non-NULL, call the callback always and whenever it returns
218 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
219 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
220 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
221 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
222 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
223 * var-tracking.c: Include recog.h.
224 (bb_stack_adjust_offset): Remove.
225 (vt_stack_adjustments): Don't call it, instead just gather the
226 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
227 (adjust_stack_reference): Remove.
228 (compute_cfa_pointer): New function.
229 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
230 (struct adjust_mem_data): New type.
231 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
233 (get_address_mode): New function.
234 (replace_expr_with_values): Use it.
235 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
236 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
237 (adjust_sets): Remove.
238 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
239 Use get_address_mode.
240 (get_adjusted_src): Remove.
241 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
242 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
243 (add_with_sets): Don't call adjust_sets.
244 (fp_setter, vt_init_cfa_base): New functions.
245 (vt_initialize): Change return type to bool. Move most of pool etc.
246 initialization to the beginning of the function from end. Pass
247 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
248 If !frame_pointer_needed, call vt_stack_adjustment before mos
249 vector is filled, call vt_init_cfa_base if argp/framep has been
250 eliminated to sp. If frame_pointer_needed and argp/framep has
251 been eliminated to hard frame pointer, set
252 hard_frame_pointer_adjustment and call vt_init_cfa_base after
253 encountering fp setter in the prologue. For MO_ADJUST, call
254 log_op_type before pusing the op into mos vector, not afterwards.
255 Call adjust_insn before cselib_process_insn/add_with_sets,
256 call cancel_changes (0) afterwards.
257 (variable_tracking_main_1): Adjust for vt_initialize calling
258 vt_stack_adjustments and returning whether it succeeded or not.
260 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
262 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
265 2010-03-15 Jakub Jelinek <jakub@redhat.com>
267 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
269 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
270 drap_reg has not been set.
272 2010-03-15 Michael Matz <matz@suse.de>
275 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
276 use it to expand block copies.
277 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
278 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
279 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
281 2010-03-15 Richard Guenther <rguenther@suse.de>
283 PR tree-optimization/43367
284 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
287 2010-03-15 Richard Guenther <rguenther@suse.de>
289 PR tree-optimization/43317
290 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
292 2010-03-15 Martin Jambor <mjambor@suse.cz>
294 PR tree-optimization/43141
295 * tree-sra.c (create_abstract_origin): New function.
296 (modify_function): Call create_abstract_origin.
298 2010-03-15 Chris Demetriou <cgd@google.com>
300 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
303 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
306 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
307 call insert_out_of_ssa_copy for default definitions.
309 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
311 * graphite-clast-to-gimple.c (my_long_long): Defined.
312 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
313 * graphite-sese-to-poly.c (my_long_long): Defined.
314 (scop_ivs_can_be_represented): Use it.
316 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
318 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
319 graphite-max-bbs-per-function, and loop-block-tile-size.
320 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
322 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
324 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
326 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
328 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
329 (add_upper_bounds_from_estimated_nit): New.
330 (build_loop_iteration_domains): Use it.
332 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
334 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
336 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
339 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
340 should be an INTEGER_CST. Also handle CASE_CONVERT.
342 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
344 * graphite.c (graphite_initialize): To bound the number of bbs per
345 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
346 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
347 * doc/invoke.texi: Document it.
349 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
351 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
352 * graphite-sese-to-poly.h (build_poly_scop): Same.
354 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
356 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
357 the number of parameters in the scop. Use as an upper bound
358 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
359 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
360 * doc/invoke.texi: Document it.
362 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
364 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
365 * doc/c-tree.texi: Remove.
366 * doc/generic.texi: Merge c-tree.texi here.
367 * doc/gccint.texi (Trees): Remove menu entry.
368 (c-tree.texi): Remove @include.
369 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
370 * doc/languages.texi (Reading RTL): Ditto.
372 2010-03-12 Steve Ellcey <sje@cup.hp.com>
375 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
377 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
380 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
381 code added to work around reload clobbering CONST insns.
383 2010-03-12 Jakub Jelinek <jakub@redhat.com>
385 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
386 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
387 (cselib_preserve_only_values): Remove retain argument, don't
388 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
389 * cselib.h (cselib_preserve_only_values): Remove retain argument.
390 * var-tracking.c (micro_operation): Move insn field before union.
391 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
392 (struct variable_tracking_info_def): Remove n_mos field, change
393 mos into a vector of micro_operations.
394 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
395 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
396 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
397 changing into a vector.
398 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
399 come before all other uops generated by add_stores.
400 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
402 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
403 a vector. Run just one pass over the bbs instead of separate counting
404 and computation phase.
405 (vt_finalize): Free VTI (bb)->mos vector instead of array.
408 * tree-inline.c (remap_decls): Put old_var rather than origin_var
409 into *nonlocalized_list vector.
410 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
411 even if origin is non-NULL.
412 (gen_variable_die): Likewise.
413 (process_scope_var): Don't change origin.
414 (gen_decl_die): Likewise.
415 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
416 before adding new edges instead of after it, fix moving over
419 2010-03-11 David S. Miller <davem@davemloft.net>
421 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
423 * configure: Rebuild.
425 2010-03-11 Martin Jambor <mjambor@suse.cz>
427 PR tree-optimization/43257
428 * tree.c (assign_assembler_name_if_neeeded): New function.
429 (free_lang_data_in_cgraph): Assembler name assignment moved to the
431 * tree.h (assign_assembler_name_if_neeeded): Declare.
432 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
433 the function if needed.
435 2010-03-11 Chris Demetriou <cgd@google.com>
437 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
438 include/stdint-gcc.h, and include/stdint.h world-readable.
440 2010-03-11 Richard Guenther <rguenther@suse.de>
442 PR tree-optimization/43255
443 * tree-vrp.c (process_assert_insertions_for): Do not insert
444 asserts for trivial conditions.
446 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
448 PR tree-optimization/43280
449 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
450 generation. Move calculation of size out of the if branch.
451 (find_bswap): Modify compare number generation.
453 2010-03-11 Richard Guenther <rguenther@suse.de>
456 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
457 (input_gimple_stmt): Fixup handled component types during
458 operand read. Also fix up decls in ADDR_EXPRs.
460 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
462 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
463 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
465 2010-03-10 Jan Hubicka <jh@suse.cz>
468 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
469 * varasm.c (get_variable_section): Don't do that here...
470 (make_decl_rtl): ... and here.
471 (do_assemble_alias): Produce decl RTL.
472 (assemble_alias): Likewise.
474 2010-03-10 Jakub Jelinek <jakub@redhat.com>
477 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
478 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
480 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
481 (based_loc_descr): Only express drap or vdrap regno based expressions
482 using DW_OP_fbreg when not optimizing.
483 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
484 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
485 REG_CFA_SET_VDRAP note.
487 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
489 PR tree-optimization/43236
490 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
491 error in calculation of base address in reverse iteration case.
492 (generate_builtin): Take number of latch executions if the statement
495 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
498 * tree-eh.c: Include pointer-set.h.
499 (lower_eh_dispatch): Filter out duplicate case labels and
500 remove the unneeded edge when the label is unused. Return
501 true when some edges are removed.
502 (execute_lower_eh_dispatch): When any lowering resulted in
503 removing an edge, also delete unreachable blocks.
505 2010-03-10 Jakub Jelinek <jakub@redhat.com>
508 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
509 UNSPEC_MACHOPIC_OFFSET.
511 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
514 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
515 (m68k_delegitimize_address): New function.
517 2010-03-09 Jakub Jelinek <jakub@redhat.com>
520 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
523 * var-tracking.c (adjust_sets): New function.
524 (count_with_sets, add_with_sets): Use it.
525 (get_adjusted_src): New inline function.
526 (add_stores): Use it.
529 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
530 call cselib_dummy_expand_value_rtx_cb instead of
531 cselib_expand_value_rtx_cb.
534 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
535 * config/i386/i386.c: Include debug.h and dwarf2out.h.
536 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
537 and .cfi_endproc around the pic thunks.
538 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
539 all queued unwind info register saves are saved before the call.
540 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
541 considered as sp-=4 for unwind info and the pop as sp+=4 which
542 also clobbers dest, but doesn't actually restore it.
545 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
548 2010-03-09 Jie Zhang <jie@codesourcery.com>
550 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
551 whitespaces in output template.
553 2010-03-09 Jie Zhang <jie@codesourcery.com>
555 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
558 2010-03-08 Jakub Jelinek <jakub@redhat.com>
560 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
561 builtins.exp in a separate job.
563 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
565 * graphite-sese-to-poly.c (add_param_constraints): Use
566 lower_bound_in_type and upper_bound_in_type.
568 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
570 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
571 instead of unsigned_type_node.
573 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
574 Reza Yazdani <reza.yazdani@amd.com>
577 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
578 on pointer type parameters.
580 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
584 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
585 handle conversions from pointer to integers.
586 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
587 induction variable, to be able to work with code generated by CLooG.
588 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
589 (build_poly_scop): Bail out if we cannot codegen a loop.
591 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
593 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
594 code generation with gloog_error.
596 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
598 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
599 Call fold_convert on all the returned values.
600 (expand_scalar_variables_expr): Pass to
601 expand_scalar_variables_ssa_name the type of the resulting expression.
603 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
605 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
606 ppl_min_for_le_pointset.
607 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
608 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
610 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
612 * graphite-dependences.c (map_into_dep_poly): Removed.
613 (dependence_polyhedron_1): Use combine_context_id_scat.
615 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
617 * graphite-poly.h (struct poly_scattering): Add layout documentation.
618 (struct poly_bb): Same.
619 (combine_context_id_scat): New.
621 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
624 * sese.c (name_defined_in_loop_p): Return false for default
627 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
629 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
630 and clean up the logic.
632 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
634 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
637 2010-03-08 Jakub Jelinek <jakub@redhat.com>
639 * var-tracking.c (remove_cselib_value_chains): Define only for
641 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
642 delete_slot_part, emit_notes_for_differences_1): Don't call
643 remove_cselib_value_chains here.
644 (set_slot_part, emit_notes_for_differences_2): Don't call
645 add_cselib_value_chains here.
646 (preserved_values): New vector.
647 (preserve_value): New function.
648 (add_uses, add_stores, vt_add_function_parameters): Use it
649 instead of cselib_preserve_value.
650 (changed_values_stack): New vector.
651 (check_changed_vars_0): New function.
652 (check_changed_vars_1, check_changed_vars_2): Use it.
653 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
654 changed_values_stack VALUEs.
655 (vt_emit_notes): For all preserved_values call
656 add_cselib_value_chains. If ENABLE_CHECKING call
657 remove_cselib_value_chains before verifying value_chains is empty.
658 Initialize and free changed_values_stack.
659 (vt_initialize): Initialize preserved_values.
660 (vt_finalize): Free preserved_values.
662 2010-03-08 Richard Guenther <rguenther@suse.de>
664 PR tree-optimization/43269
665 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
668 2010-03-08 Martin Jambor <mjambor@suse.cz>
670 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
671 (ipa_is_param_called): Removed.
672 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
673 (ipa_print_node_params): Do not print the called flag.
674 (ipa_write_node_info): Do not stream the called flag.
675 (ipa_read_node_info): Likewise.
677 2010-03-07 Jakub Jelinek <jakub@redhat.com>
680 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
681 * cselib.c (struct expand_value_data): Add dummy field.
682 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
684 (cselib_dummy_expand_value_rtx_cb): New function.
685 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
687 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
688 * var-tracking.c: Include pointer-set.h.
689 (variable): Change n_var_parts to char from int. Add
690 cur_loc_changed and in_changed_variables fields.
691 (variable_canonicalize): Remove.
692 (shared_var_p): New inline function.
693 (unshare_variable): Maintain cur_loc_changed and
694 in_changed_variables fields. If var was in changed_variables,
695 replace it there with new_var. Just copy cur_loc instead of
696 resetting it to something else.
697 (variable_union): Don't recompute cur_loc. Use shared_var_p.
698 (dataflow_set_union): Don't call variable_canonicalize.
699 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
700 of their DEBUG_EXPR_TREE_DECLs.
701 (canonicalize_loc_order_check): Verify that cur_loc is NULL
702 and in_changed_variables and cur_loc_changed is false.
703 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
704 and cur_loc_changed. Don't update cur_loc here.
705 (variable_merge_over_src): Don't call variable_canonicalize.
706 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
707 removing loc that is equal to cur_loc, clear cur_loc,
708 set cur_loc_changed and ensure variable_was_changed is called.
709 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
710 compare pointers in cur_loc check, if it is equal to loc,
711 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
712 (variable_different_p): Remove compare_current_location argument,
713 don't compare cur_loc.
714 (dataflow_set_different_1): Adjust variable_different_p caller.
715 (variable_was_changed): If dv had some var in changed_variables
716 already, reset in_changed_variables flag for it and propagate
717 cur_loc_changed over to the new variable. On empty var
718 always set cur_loc_changed. Set in_changed_variables on whatever
719 var is added to changed_variables.
720 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
721 Use shared_var_p. When removing loc that is equal to cur_loc,
722 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
723 end, don't set it to something else, just call variable_was_changed.
724 (delete_slot_part): Use shared_var_p. When cur_loc equals to
725 loc being removed, clear cur_loc and set cur_loc_changed.
726 Set cur_loc_changed if all locations have been removed.
727 (struct expand_loc_callback_data): New type.
728 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
729 allocated. Always create SUBREGs if simplify_subreg failed.
730 Prefer to use cur_loc, when that fails and still in
731 changed_variables (and seen first time) recompute it. Set
732 cur_loc_changed of variables which had to change cur_loc and
733 compute elcd->cur_loc_changed if any of the subexpressions used
734 had to change cur_loc.
735 (vt_expand_loc): Adjust to pass arguments in
736 expand_loc_callback_data structure.
737 (vt_expand_loc_dummy): New function.
738 (emitted_notes): New variable.
739 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
740 that weren't used for any other decl in current
741 emit_notes_for_changes call call vt_expand_loc_dummy to update
742 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
743 first loc_chain location if NULL before. Always use just
744 cur_loc instead of first loc_chain location. When cur_loc_changed
745 is false, when not --enable-checking=rtl just don't emit any note.
746 When rtl checking, compute the note and assert it is the same
747 as previous note. Clear cur_loc_changed and in_changed_variables
748 at the end before removing from changed_variables.
749 (check_changed_vars_3): New function.
750 (emit_notes_for_changes): Traverse changed_vars to call
751 check_changed_vars_3 on each changed var.
752 (emit_notes_for_differences_1): Clear cur_loc_changed and
753 in_changed_variables. Recompute cur_loc of new_var.
754 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
755 (vt_emit_notes): Initialize and destroy emitted_notes.
757 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
759 PR rtl-optimization/42220
760 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
761 Use verify_reg_tracked to determine if we should use OP_OUT rather
763 (build_def_use): If we see an in-out operand for a register that we
764 know nothing about, treat is an output if possible, fail the block if
767 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
770 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
773 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
776 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
777 uses of relevant DEFs that are dead outside the loop too.
779 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
781 * var-tracking.c (dataflow_set_merge): Swap src and src2.
783 2010-01-13 Jakub Jelinek <jakub@redhat.com>
785 * var-tracking.c (values_to_unmark): New variable.
786 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
787 values_to_unmark vector. Moved body to...
788 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
789 instead queue it into values_to_unmark vector.
790 (vt_find_locations): Free values_to_unmark vector.
792 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
794 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
795 (site.exp): Export them when plugins are enabled.
797 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
800 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
802 (chrec_fold_multiply): Same.
804 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
807 * c-decl.c (build_compound_literal): Return early if init is
810 2010-03-04 Martin Jambor <mjambor@suse.cz>
812 PR tree-optimization/43164
813 PR tree-optimization/43191
814 * tree-sra.c (type_consists_of_records_p): Reject records with
815 zero-size bit-fields at the end.
817 2010-03-04 Mike Stump <mikestump@comcast.net>
819 * Makefile.in (TAGS): Remove *.y.
821 2010-03-04 Richard Guenther <rguenther@suse.de>
823 PR tree-optimization/40761
824 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
826 (my_rev_post_order_compute): New function.
829 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
832 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
833 decrease the cost of an IV candidate when the cost is infinite.
835 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
837 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
838 Use '3DNow!' for the extension of that name, ensure normal space
840 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
842 2010-03-03 Jeff Law <law@redhat.com>
844 * PR middle-end/32693
845 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
847 (extract_bit_field_1): Likewise.
849 2010-03-03 Janis Johnson <janis187@us.ibm.com>
851 * doc/sourcebuild.texi (Test directives): Document that arguments
852 include-opts and exclude-opts are now optional for dg-skip-if,
853 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
855 2010-03-03 Jason Merrill <jason@redhat.com>
858 * cgraph.h (varpool_node): Add extra_name field.
859 * varpool.c (varpool_extra_name_alias): New.
860 (varpool_assemble_decl): Emit extra name aliases.
861 (varpool_mark_needed_node): Look past an extra name alias.
862 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
863 * lto-streamer-in.c (lto_input_tree): Read it.
864 * lto-streamer-out.c (output_unreferenced_globals): Write it.
866 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
868 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
869 (sparc*-*-solaris2*): ...this.
871 2010-03-03 Jakub Jelinek <jakub@redhat.com>
874 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
875 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
876 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
877 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
880 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
881 fallthrough to default handling, just with want_address 0 instead of 2.
882 For single element lists, add_AT_loc directly, otherwise create an
883 artificial variable DIE and stick location list to it.
886 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
887 (VAL_EXPR_HAS_REVERSE): Define.
888 (reverse_op): New function.
889 (add_stores): For reversible operations add an extra MO_VAL_USE.
891 2010-03-02 Jason Merrill <jason@redhat.com>
893 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
895 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
897 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
898 (sparc64-*-linux*): Likewise.
899 (sparc64-*-solaris2*): Include assembler files before linker ones.
900 (sparc-*-solaris2*): Simplify and reorder to match previous case.
901 * config/sparc/gas.h: Delete.
902 * config/sparc/sol2-64.h: Add copyright notice.
903 * config/sparc/sol2-gas-bi.h: Likewise.
904 * config/sparc/sol2-gld.h: Likewise.
905 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
906 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
907 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
908 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
909 (sparc_elf_asm_named_section): Rename into...
910 (sparc_solaris_elf_asm_named_section): ...this. Always define.
912 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
914 * config/alpha/alpha.c (override_options): Fix -mtune error message.
916 2010-03-02 Jeff Law <law@redhat.com>
919 * reload1.c (rtx_p, substitute_stack): Declare.
920 (substitute): Record addresses of changed rtxs.
921 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
922 Restore the original rtx when complete.
923 (reload): Free subsitute_stack when complete.
925 2010-03-02 Janis Johnson <janis187@us.ibm.com>
927 * doc/gccint.texi (menu): Add Testsuites as a chapter.
928 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
930 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
931 LTO Testing, gcov Testing, profopt Testing, compat Testing,
932 Torture Tests): Change from subsection to section.
934 2010-03-02 Jakub Jelinek <jakub@redhat.com>
935 Steven Bosscher <steven@gcc.gnu.org>
937 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
940 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
943 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
944 the assignment from the new induction variable to the assignment
945 of the value from the original loop PHI function.
947 2010-03-01 Janis Johnson <janis187@us.ibm.com>
948 Daniel Jacobowitz <dan@codesourcery.com>
950 * doc/sourcebuild.texi (Test directives): Clarify options to
953 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
955 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
956 Disable cfi directives unless GCC and gas agree on using read-only
957 .eh_frame sections for 64-bit.
958 * configure: Regenerate.
960 2010-03-01 Richard Guenther <rguenther@suse.de>
962 PR tree-optimization/43220
963 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
964 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
966 2010-03-01 Richard Guenther <rguenther@suse.de>
967 Martin Jambor <mjambor@suse.cz>
970 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
971 gimplified parameters.
973 2010-03-01 Christian Bruel <christian.bruel@st.com>
975 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
977 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
979 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
981 2010-03-01 Richard Guenther <rguenther@suse.de>
984 * expr.c (expand_assignment): Use the alias-oracle to tell
985 if the rhs aliases the result decl.
987 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
990 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
991 to sol_gt_pch_get_address.
992 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
993 64-bit, SPARC and x86.
994 (sol_gt_pch_get_address): New function.
996 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
998 * toplev.h (inform_n, error_n): Declare.
999 * diagnostic.c (inform_n, error_n): New function.
1001 2010-03-01 Jakub Jelinek <jakub@redhat.com>
1003 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
1004 has no rtl yet when processing local_decls, queue it and recheck
1005 if deferred stack allocation hasn't assigned it rtl.
1007 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
1009 * config/sh/sh.c (unspec_bbr_uid): New.
1010 (gen_block_redirect): Use it instead of INSN_UID.
1011 (gen_far_branch): Likewise.
1013 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
1015 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
1016 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
1018 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1020 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
1021 (Warning Options): -Wno-conversion-null is valid for
1022 Objective-C++ as well.
1023 * doc/tm.texi (Named Address Spaces): Likewise.
1024 * doc/plugins.texi (Plugins): Replace TABs with spaces.
1025 * doc/tree-ssa.texi (Tree SSA): Likewise.
1027 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
1030 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
1031 by default. Don't set the default arch for
1032 i[34567]86-*-darwin*|x86_64-*-darwin*.
1034 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
1037 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
1038 default. Set the default 32bit/64bit archs with $with_arch
1039 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
1041 2010-02-27 Richard Guenther <rguenther@suse.de>
1043 PR tree-optimization/43186
1044 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
1045 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
1046 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
1047 unroller iterations.
1049 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
1051 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
1052 required and i[34567]86-*-* targets don't support 64bit ISA.
1054 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
1057 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
1060 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
1062 * config.gcc: Set the default arch at least to Prescott for
1063 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
1064 if SSE math is enabled.
1066 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
1068 * diagnostic.c (diagnostic_initialize): Update.
1069 (diagnostic_report_diagnostic): Test inhibit_notes_p for
1071 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
1072 (diagnostic_inhibit_notes): New.
1073 * toplev.c (process_options): inhibit notes with -fcompare-debug.
1075 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
1078 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
1079 * doc/standards.texi: Likewise.
1080 * doc/extend.texi: Likewise.
1081 * doc/trouble.texi: Likewise.
1082 * doc/cppopts.texi: Likewise.
1083 * doc/install.texi: Likewise.
1084 * c.opt (std=c90,std=gnu90): New options.
1085 * c-opts.c (c_common_handle_option): Handle them.
1087 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
1090 * c-decl.c (undeclared_variable): Use an informative note.
1092 2010-02-26 Richard Guenther <rguenther@suse.de>
1094 PR tree-optimization/43186
1095 * gimple.h (gimple_fold): Remove.
1096 * gimple.c (gimple_fold): Remove. Inline into single user ...
1097 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
1098 Try harder for conditions.
1100 2010-02-26 Jakub Jelinek <jakub@redhat.com>
1103 * function.c (used_types_insert): Don't skip through named pointer
1104 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
1105 and it is different from the main variant's type.
1107 2010-02-26 Nick Clifton <nickc@redhat.com>
1109 * config/rx/rx.md (sminsi3): Remove bogus alternative.
1111 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
1113 * config.gcc: Support --with-fpmath=sse for x86.
1115 * config/i386/ssemath.h: New.
1117 * doc/install.texi (--with-fpmath=sse): Documented.
1119 2010-02-26 Richard Guenther <rguenther@suse.de>
1121 PR tree-optimization/43188
1122 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
1123 vector types of over-aligned element type.
1125 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
1128 * config/i386/i386.c (expand_vec_perm_blend): Use correct
1129 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
1131 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
1133 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
1135 2010-02-26 Jakub Jelinek <jakub@redhat.com>
1137 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
1138 * var-tracking.c: Include diagnostic.h.
1139 (debug_dv): New function.
1140 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
1143 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
1144 (add_value_chain, add_value_chains, remove_value_chain,
1145 remove_value_chains): Handle DEBUG_EXPRs.
1146 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
1149 * regcprop.c (struct queued_debug_insn_change): New type.
1150 (struct value_data_entry): Add debug_insn_changes field.
1151 (struct value_data): Add n_debug_insn_changes field.
1152 (debug_insn_changes_pool): New variable.
1153 (free_debug_insn_changes, apply_debug_insn_changes,
1154 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
1155 (kill_value_one_regno): Call free_debug_insn_changes if needed.
1156 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
1158 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
1160 (copyprop_hardreg_forward_1): Don't call apply_change_group for
1161 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
1162 changes, call cprop_find_used_regs via note_stores.
1163 (copyprop_hardreg_forward): When copying vd from predecessor
1164 which has any queued DEBUG_INSN changes, make sure the pointers are
1165 cleared. At the end call df_analyze and then if there are any
1166 DEBUG_INSN changes queued at the end of some basic block for still
1167 live registers, apply them.
1168 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
1170 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
1172 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
1175 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
1177 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
1178 targets. Set the default with_cpu/with_arch from arch/cpu.
1179 Allow x86-64 and native for with_cpu/with_arch.
1181 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
1183 * ebitmap.c: Change calls to verify_popcount with calls to
1184 sbitmap_verify_popcount.
1185 (ebitmap_clear_bit): Fixed map->cacheindex test and
1186 map>cache update when bit clearing results in an empty
1189 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
1192 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
1193 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
1194 and support both V2DF and V2DI modes.
1195 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
1196 support both V2DF and V2DI modes.
1197 (general): Delete trailing whitespace from a few patterns.
1199 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
1200 V2DF/V2DI interleave high/low builtins.
1202 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
1205 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
1206 interleave high/low functions.
1208 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
1210 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
1211 #pragma extern_prefix.
1213 2010-02-25 Jakub Jelinek <jakub@redhat.com>
1216 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
1217 BLKmode, assert op0 is a MEM and just adjust its mode.
1220 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
1221 if bitpos isn't multiple of mode's bitsize.
1223 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
1225 * c.opt (-ftemplate-depth=): New.
1226 (-ftemplate-depth-): Deprecate.
1227 * optc-gen.awk: Handle -ftemplate-depth=.
1228 * opth-gen.awk: Likewise.
1229 * c-opts.c (c_common_handle_option): Likewise.
1230 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
1232 2010-02-24 Jason Merrill <jason@redhat.com>
1234 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
1236 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1238 * cfg.c (alloc_aux_for_block): Remove inline.
1239 (alloc_aux_for_edge): Likewise.
1241 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1243 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
1245 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1247 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
1248 * config/i386/sol2-gas.h: New file.
1249 * config.gcc (i[34567]86-*-solaris2*): Use it.
1251 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
1254 * c-typeck.c (ep_convert_and_check): New.
1255 (build_conditional_expr): Use it.
1256 (build_binary_op): Likewise.
1258 2010-02-24 Jakub Jelinek <jakub@redhat.com>
1260 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
1263 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
1264 bounds even for -O+.
1265 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
1266 expr needs to have DECL_NAME set.
1268 2010-02-24 Nick Clifton <nickc@redhat.com>
1270 * config/mep/mep.c: Include gimple.h.
1271 (mep_function_uses_sp): Delete unused function.
1272 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
1273 parameters. Use unsigned integers to count args. Return a
1274 NULL_RTX instead of an error_mark_node. Toidy up formatting.
1276 2010-02-23 Jakub Jelinek <jakub@redhat.com>
1279 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
1280 greater or equal to nelt instead of 2 * nelt.
1281 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
1284 2010-02-23 Jason Merrill <jason@redhat.com>
1287 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
1288 in cfun->local_decls even if they have register types.
1291 * stor-layout.c (place_field): Don't warn about unnecessary
1292 DECL_PACKED if the type is packed.
1294 2010-02-23 Jakub Jelinek <jakub@redhat.com>
1297 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
1298 GOTOFF relocs, even when the base reg isn't pic pointer.
1300 2010-02-23 Michael Matz <matz@suse.de>
1303 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
1304 (expand_gimple_basic_block): Generate and use debug temps if there
1305 are debug uses left after the last real use of TERed ssa names.
1306 Unlink debug immediate uses when they are expanded.
1308 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
1311 * config/i386/i386.c (override_options): Reorganise to provide
1312 better error messages.
1314 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1317 * graphite-scop-detection.c (create_single_exit_edge): Move
1318 the call to find_single_exit_edge to....
1319 (create_sese_edges): ...here. Don't handle multiple edges
1320 exiting the function.
1321 (build_graphite_scops): Don't handle multiple edges
1322 exiting the function.
1324 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1327 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
1328 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
1330 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
1333 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
1335 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
1338 * c-typeck.c (convert_arguments): Print declaration location.
1339 * c-common.c (validate_nargs): Rename as
1340 builtin_function_validate_nargs.
1341 (check_builtin_function_arguments): Update.
1343 2010-02-22 Richard Guenther <rguenther@suse.de>
1346 * tree-inline.c (declare_return_variable): Use the type of
1347 the call stmt lhs if available.
1349 2010-02-22 Duncan Sands <baldrick@free.fr>
1351 * passes.c (register_pass): Always consider all pass lists when
1352 ref_pass_instance_number is zero.
1354 2010-02-22 Richard Guenther <rguenther@suse.de>
1356 PR tree-optimization/42749
1357 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
1358 parameter. Do arithmetic in the original type.
1359 (update_accumulator_with_ops): Likewise.
1360 (adjust_accumulator_values): Adjust.
1362 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1364 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
1365 (QI to BLKmode splitter): New splitter.
1367 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
1369 * config/i386/i386.c (initial_ix86_tune_features): Turn on
1370 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
1372 2010-02-22 Richard Guenther <rguenther@suse.de>
1374 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
1376 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
1378 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
1379 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
1380 ($(T)crti.o, $(T)crtn.o): Remove rules.
1382 2010-02-21 Tobias Burnus <burnus@net-b.de>
1385 * doc/invoke.texi (-fassociative-math): Document that this
1386 option is automatically enabled for Fortran.
1388 2010-02-20 David S. Miller <davem@davemloft.net>
1390 * configure.ac: Test if linker and assembler properly support
1391 GOTDATA_OP relocations.
1392 * configure: Rebuild.
1393 * config.in: Likewise.
1394 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
1395 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
1396 (movsi_high_pic): Likewise.
1397 (movdi_lo_sum_pic): Likewise.
1398 (movdi_high_pic): Likewise.
1399 (movsi_pic_gotdata_op): New pattern.
1400 (movdi_pic_gotdata_op): Likewise.
1401 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
1402 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
1404 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
1407 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
1408 attribute to ssemul.
1409 (xop_mulv2div2di3_high): Ditto.
1411 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
1414 * c.opt (Wconversion-null): New option.
1415 * doc/invoke.texi (Wconversion-null): Document.
1417 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
1419 * common.opt (Wlarger-than-): Add Undocumented.
1421 2010-02-19 Mike Stump <mikestump@comcast.net>
1423 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
1425 2010-02-19 Jason Merrill <jason@redhat.com>
1428 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
1429 * configure: Likewise.
1431 2010-02-20 Alan Modra <amodra@gmail.com>
1434 * cgraph.h (cgraph_make_decl_local): Declare.
1435 * cgraph.c (cgraph_make_decl_local): New function.
1436 (cgraph_make_node_local): Use it.
1437 * cgraphunit.c (cgraph_function_versioning): Likewise.
1438 * ipa.c (function_and_variable_visibility): Likewise.
1440 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1443 * except.c (sjlj_emit_function_enter): Don't call
1444 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
1446 * rtl.h (add_reg_br_prob_note): Remove prototype.
1448 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
1451 * c-common.c (conversion_warning): Remove widening conversions
1452 before checking the conversion of integers to reals.
1454 2010-02-19 Mike Stump <mikestump@comcast.net>
1457 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
1460 * cgraphunit.c (process_function_and_variable_attributes): Check
1461 DECL_PRESERVE_P instead of looking up attribute "used".
1462 * ipa-pure-const.c (check_decl): Likewise.
1463 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
1464 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
1465 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
1466 instead of attribute "used".
1467 * config/sol2-c.c (solaris_pragma_init): Likewise.
1468 (solaris_pragma_fini): Likewise.
1470 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1472 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
1473 Use XCNEW instead of xcalloc.
1474 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
1475 XNEW instead of xmalloc.
1476 (get_fields): Use XNEWVEC instead of xmalloc.
1479 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
1480 populate vars array.
1481 (create_new_general_access): For debug stmts just reset value.
1482 (get_stmt_accesses): For accesses within debug stmts just record them
1483 using add_access_to_acc_sites instead of preventing the peeling or
1484 counting them as accesses.
1487 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
1489 2010-02-19 Richard Guenther <rguenther@suse.de>
1491 PR tree-optimization/42916
1492 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
1495 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
1497 * configure.ac: Replace all uses of changequote in macro arguments
1498 with proper quoting.
1500 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1503 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
1505 2010-02-19 Richard Guenther <rguenther@suse.de>
1507 PR tree-optimization/42944
1508 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
1509 test for aliasing with errno.
1511 2010-02-19 Jakub Jelinek <jakub@redhat.com>
1514 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
1515 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
1516 * dojump.c: Include output.h.
1517 (inv): New inline function.
1518 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
1519 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
1520 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
1521 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
1522 argument, pass it down to other calls.
1523 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
1524 add REG_BR_PROB note to the conditional jump.
1525 * cfgexpand.c (add_reg_br_prob_note): Removed.
1526 (expand_gimple_cond): Don't call it, add the probability
1527 as last argument to jumpif_1/jumpifnot_1.
1528 * Makefile.in (dojump.o): Depend on output.h.
1529 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
1531 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
1532 * stmt.c (do_jump_if_equal): Likewise.
1533 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
1534 * loop-unswitch.c (compare_and_jump_seq): Likewise.
1535 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
1537 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
1538 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
1539 jumpifnot_1 callers.
1540 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
1542 (store_expr): Adjust jumpifnot caller.
1543 (store_constructor): Adjust jumpif caller.
1546 * gimplify.c (gimple_boolify): For __builtin_expect call
1547 gimple_boolify also on its first argument.
1549 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
1551 * configure.ac (gnu-unique-object): Wrap regexps using [] in
1553 (__stack_chk_fail): Ditto. Remove quadrigraphs.
1554 * configure: Regenerated.
1556 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1558 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
1559 lang_hooks.types_compatible_p instead of comptypes.
1561 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
1563 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
1564 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
1565 if __prefer_thumb__ is defined.
1567 2010-02-18 Martin Jambor <mjambor@suse.cz>
1569 PR tree-optimization/43066
1570 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
1571 array with zero-sized element type.
1573 2010-02-18 Jakub Jelinek <jakub@redhat.com>
1575 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
1576 rtx, allocate struct var_loc_node here and return it to the
1577 caller, and only if it is actually needed.
1578 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
1579 move it earlier and return immediately if it returns NULL.
1581 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
1583 * config/sparc/gas.h: New file. Restore
1584 TARGET_ASM_NAMED_SECTION to its ELF default.
1585 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
1587 * config/sparc/sparc.c (sparc_elf_asm_named_section):
1588 Likewise. Add ATTRIBUTE_UNUSED to prototype.
1589 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
1590 after sparc/sysv4.h.
1592 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
1594 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
1596 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
1598 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
1599 patterns from predicated pattern.
1601 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
1604 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
1605 for insn mnemonic suffix.
1607 2010-02-17 Richard Guenther <rguenther@suse.de>
1609 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
1612 2010-02-17 Jakub Jelinek <jakub@redhat.com>
1615 * caller-save.c (save_call_clobbered_regs): If BB ends with
1616 a DEBUG_INSN, move any notes in between last real insn and the last
1617 DEBUG_INSN after the last DEBUG_INSN.
1619 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
1621 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
1622 Fix return type. Fix argument type. Explain meaning of return value.
1624 2010-02-16 Richard Guenther <rguenther@suse.de>
1626 PR tree-optimization/41043
1627 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
1628 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
1630 (vrp_visit_phi_node): ... but only for loop PHI nodes.
1632 2010-02-16 Ira Rosen <irar@il.ibm.com>
1634 PR tree-optimization/43074
1635 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
1636 * tree-vect-loop.c (vect_analyze_loop_operations): Add
1637 vectorizable cycles in hybrid SLP check.
1638 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
1640 2010-02-16 Richard Guenther <rguenther@suse.de>
1642 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
1643 (true_dependence): If memrefs_conflict_p computes must-alias
1644 trust it. Move TBAA check after offset-based disambiguation.
1645 (canon_true_dependence): Likewise.
1647 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
1649 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
1650 * doc/invoke.texi: Document it.
1651 * var-tracking.c: Include toplev.h and params.h.
1652 (vt_find_locations): Return bool indicating success. Compute
1653 hash sizes unconditionally. Check new parameter, report.
1654 (variable_tracking_main_1): Check vt_find_locations results and
1655 retry. Renamed from...
1656 (variable_tracking_main): ... this. New wrapper to preserve
1657 flag_var_tracking_assignments.
1658 * Makefile.in (var-tracking.o): Adjust dependencies.
1660 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
1661 Jakub Jelinek <jakub@redhat.com>
1664 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
1665 if weak_import attribute is present.
1666 * config/darwin.c (machopic_select_section): Likewise.
1668 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
1670 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
1671 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
1672 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
1673 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
1675 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument types.
1677 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
1680 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
1681 Rewrite text to refer to the names.
1683 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
1685 * config/i386/i386-builtin-types.def
1686 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
1687 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
1688 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
1689 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
1690 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
1691 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
1692 IX86_BUILTIN_VPERMIL2PS256.
1693 (MULTI_ARG_4_DF2_DI_I): Defined.
1694 (MULTI_ARG_4_DF2_DI_I1): Defined.
1695 (MULTI_ARG_4_SF2_SI_I): Defined.
1696 (MULTI_ARG_4_SF2_SI_I1): Defined.
1697 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
1698 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
1699 __builtin_ia32_vpermil2ps256.
1700 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
1701 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
1702 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
1703 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
1704 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
1705 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
1706 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
1707 CODE_FOR_xop_vpermil2v8sf3.
1708 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
1709 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
1710 * config/i386/xopintrin.h (_mm_permute2_pd): New.
1711 (_mm256_permute2_pd): New.
1712 (_mm_permute2_ps): New.
1713 (_mm256_permute2_ps): New.
1715 2010-02-15 Nick Clifton <nickc@redhat.com>
1717 * config/h8300/h8300.c: (h8300_push_pop): Use bool type for
1718 boolean parameters. Use emit_jump_insn when emitting a pop
1719 instruction containing a return insn.
1720 (push): Use 'true' rather than '1' as second parameter to F.
1721 (h8300_expand_prologue): Likewise.
1722 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
1723 (h8300_expand_epilogue): Likewise.
1725 2010-02-15 Richard Guenther <rguenther@suse.de>
1728 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
1731 2010-02-15 Nick Clifton <nickc@redhat.com>
1733 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
1736 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
1738 * intl.c (fake_ngettext): New function.
1739 * intl.h (fake_ngettext): Declare.
1740 (ngettext): Define macro.
1741 * collect2.c (notice_translated): New function.
1742 (main): Use notice_translated and ngettext.
1743 * collect2.h (notice_translated): Declare.
1745 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
1747 * reorg.c (delete_computation): Comment fixes.
1748 * caller-save.c (setup_save_areas): Idem.
1749 * sel-sched-dump.c (dump_lv_set): Idem.
1752 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1754 * config/s390/s390.c (s390_sched_init): New function.
1755 (TARGET_SCHED_INIT): Target hook defined.
1757 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
1758 Jack Howarth <howarth@bromo.med.uc.edu>
1759 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
1762 Partial revert of unintended change in fix for PR41605.
1763 * config/darwin.h: Fix typo.
1764 * config/darwin9.h: Same.
1766 2010-02-11 Jakub Jelinek <jakub@redhat.com>
1768 * c-pch.c (pch_init): Clear v.
1770 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
1773 * graphite-scop-detection.c (graphite_can_represent_scev): Call
1774 graphite_can_represent_init for MULT_EXPR.
1776 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
1780 * graphite-sese-to-poly.c (remove_phi): New.
1781 (translate_scalar_reduction_to_array): Call remove_phi.
1783 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
1786 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
1787 * graphite-clast-to-gimple.h (gloog): Update declaration.
1788 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
1789 * graphite-poly.h (struct poly_bb): Add missing comments.
1790 (struct scop): Add poly_scop_p field.
1792 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
1793 * graphite.c (graphite_transform_loops): Build the polyhedral
1794 representation for each scop before code generation.
1795 * sese.c (rename_variables_in_operand): Removed.
1796 (rename_variables_in_expr): Return the renamed expression.
1797 (rename_sese_parameters): New.
1798 * sese.h (rename_sese_parameters): Declared.
1800 2010-02-11 Richard Guenther <rguenther@suse.de>
1802 PR tree-optimization/42998
1803 * tree-ssa-pre.c (create_expression_by_pieces): Treat
1804 POINTER_PLUS_EXPR properly.
1806 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
1807 Changpeng Fang <changpeng.fang@amd.com>
1810 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
1811 the cost of an IV candidate when the IV is used in a test against zero.
1813 * gcc.dg/tree-ssa/ivopts-3.c: New.
1815 2010-02-11 Richard Guenther <rguenther@suse.de>
1818 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
1819 pointer-vs-decl case by swapping refs. Handle some cases
1820 of pointer-vs-decl disambiguations more conservatively.
1821 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
1822 to false after expanding.
1824 2010-02-11 Richard Guenther <rguenther@suse.de>
1827 * gcc.c (process_command): Handle LTO file@offset case more
1830 2010-02-11 Jakub Jelinek <jakub@redhat.com>
1832 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
1833 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
1835 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
1837 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
1838 if MEM's mode size isn't DWARF2_ADDR_SIZE.
1839 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
1840 Optimize eq/ne comparisons when both arguments are known to be
1842 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
1843 Don't mask operands unnecessarily if they are known to be already
1846 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
1848 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
1851 2010-02-10 Richard Guenther <rguenther@suse.de>
1853 PR tree-optimization/43017
1854 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
1855 for wrapping signed arithmetic.
1857 2010-02-10 Jakub Jelinek <jakub@redhat.com>
1860 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
1861 if no debug info should be emitted for it.
1863 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
1865 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
1866 note when flag_exceptions is set.
1868 2010-02-10 Duncan Sands <baldrick@free.fr>
1870 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
1872 2010-02-10 Richard Guenther <rguenther@suse.de>
1875 * tree.c (get_unwidened): Handle constants.
1876 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
1878 2010-02-10 Martin Jambor <mjambor@suse.cz>
1881 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
1882 check for variable argument counts independently.
1884 2010-02-10 Christian Bruel <christian.bruel@st.com>
1887 * config/sh/sh.c (find_barrier): Increase length for non delayed
1888 conditional branches.
1890 2010-02-10 Christian Bruel <christian.bruel@st.com>
1892 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
1894 2010-02-10 Jakub Jelinek <jakub@redhat.com>
1896 * builtins.c (set_builtin_user_assembler_name): Also handle
1897 ffs if int is smaller than word.
1899 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
1902 * ira-conflicts.c (get_dup): Remove.
1903 (process_reg_shuffles): Add new parameter. Use it as an
1904 additional guard for copy generation.
1905 (add_insn_allocno_copies): Rewrite.
1907 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
1909 * common.opt (fsched2-use-traces): Preserved for backward
1911 * doc/invoke.texi: Remove the documentation about option
1912 -fsched2-use-traces.
1913 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
1914 flag_sched2_use_traces.
1915 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
1916 the backward compatibility flag section.
1918 2010-02-09 Richard Guenther <rguenther@suse.de>
1920 PR tree-optimization/43008
1921 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
1922 make HEAP variables initialized from global memory if they
1923 are not known builtin functions.
1924 (find_func_aliases): Adjust.
1926 2010-02-09 Richard Guenther <rguenther@suse.de>
1928 PR tree-optimization/43000
1929 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
1930 arithmetic manually.
1932 2010-02-08 Jakub Jelinek <jakub@redhat.com>
1934 PR tree-optimization/42931
1935 * tree-loop-linear.c (try_interchange_loops): Don't call
1936 double_int_mul if estimated_loop_iterations failed.
1938 2010-02-08 Martin Jambor <mjambor@suse.cz>
1941 * tree-sra.c (build_accesses_from_assign): Do not mark in
1942 should_scalarize_away_bitmap if stmt has volatile ops.
1943 (sra_modify_assign): Do not process assigns piecemeal if if stmt
1946 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
1948 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
1950 2010-02-07 Adam Nemet <adambnmet@gmail.com>
1952 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
1955 2010-02-07 Andrew Pinski <pinskia@gmail.com>
1958 * df-core.c (df_finish_pass): Change type of saved_flags to int.
1960 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
1963 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
1964 to unknown_dependence.
1965 (graphite_legal_transform_dr): Handle the unknown_dependence.
1966 (graphite_carried_dependence_level_k): Same.
1968 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
1970 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
1972 2010-02-07 Richard Guenther <rguenther@suse.de>
1975 * expr.c (get_inner_reference): Always initialize *pbitsize.
1977 2010-02-07 Richard Guenther <rguenther@suse.de>
1980 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
1981 new ARRAY_REFs on variable size element or minimal index arrays.
1983 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
1984 gimple_fold_indirect_ref.
1986 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
1989 * arm.c (arm_override_options): Just return if the user has specified
1990 an invalid fpu name.
1992 2010-02-03 Jason Merrill <jason@redhat.com>
1995 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
1996 i386_pe_maybe_record_exported_symbol.
1998 2010-02-05 Steve Ellcey <sje@cup.hp.com>
2001 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
2002 (pa_delegitimize_address): New function.
2004 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
2006 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
2007 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
2009 2010-02-05 Richard Guenther <rguenther@suse.de>
2012 * lto-streamer-in.c (get_resolution): Deal with references
2013 to undefined functions.
2015 2010-02-05 Richard Guenther <rguenther@suse.de>
2017 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
2018 (fold_const_aggregate_ref): Likewise.
2019 (ccp_fold_stmt): Substitute loads.
2020 (maybe_fold_reference): Verify types before substituting.
2022 (fold_gimple_assign): Unshare properly.
2023 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
2025 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
2027 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
2028 for rs6000_gen_cell_microcode.
2030 2010-02-04 Richard Guenther <rguenther@suse.de>
2032 PR rtl-optimization/42952
2033 * dse.c (const_or_frame_p): Remove MEM handling.
2035 2010-02-04 Nick Clifton <nickc@redhat.com>
2037 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
2038 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
2039 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
2040 (mn10300_asm_output_mi_thunk): New function.
2041 (mn10300_can_output_mu_thunk): New function.
2042 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
2043 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
2044 (FUNCTION_ARG): Delete incorrect comment.
2046 2010-02-03 Jason Merrill <jason@redhat.com>
2049 * fold-const.c (operand_equal_p): Handle erroneous types.
2051 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
2053 * config/h8300/h8300.md (can_delay): Fix attibute condition.
2055 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
2057 PR rtl-optimization/42941
2058 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
2061 2010-02-03 Jason Merrill <jason@redhat.com>
2064 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
2066 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
2069 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
2070 (cselib_reset_table): Renamed from...
2071 (cselib_reset_table_with_next_value): ... this.
2072 (cselib_get_next_uid): Renamed from...
2073 (cselib_get_next_unknown_value): ... this.
2074 * cselib.c (next_uid): Renamed from...
2075 (next_unknown_value): ... this.
2076 (cselib_clear_table): Adjust.
2077 (cselib_reset_table): Adjust. Renamed from...
2078 (cselib_reset_table_with_next_value): ... this.
2079 (cselib_get_next_uid): Adjust. Renamed from...
2080 (cselib_get_next_unknown_value): ... this.
2081 (get_value_hash): Use hash.
2082 (cselib_hash_rtx): Likewise.
2083 (new_cselib_val): Adjust. Set and dump uid.
2084 (cselib_lookup_mem): Pass next_uid as hash.
2085 (cselib_subst_to_values): Likewise.
2086 (cselib_log_lookup): Dump uid.
2087 (cselib_lookup): Pass next_uid as hash. Adjust.
2088 (cselib_process_insn): Adjust.
2089 (cselib_init): Initialize next_uid.
2090 (cselib_finish): Adjust.
2091 (dump_cselib_table): Likewise.
2092 * dse.c (canon_address): Dump value uid.
2093 * print-rtl.c (print_rtx): Print value uid.
2094 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
2096 (dv_uid): New function, sort of renamed from...
2097 (dv_htab_hash): ... this, reimplemented in terms of it and...
2098 (dv_uid2hash): ... this. New.
2099 (variable_htab_eq): Drop excess assertions.
2100 (tie_break_pointers): Removed.
2101 (canon_value_cmp): Compare uids.
2102 (variable_post_merge_New_vals): Print uids.
2103 (vt_add_function_parameters): Adjust.
2104 (vt_initialize): Reset table. Adjust.
2106 2010-02-03 Richard Guenther <rguenther@suse.de>
2108 PR tree-optimization/42944
2109 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
2110 (call_may_clobber_ref_p_1): Likewise. Properly handle
2111 malloc and calloc clobbering errno.
2113 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
2115 * doc/invoke.texi: Fix name of sched1 dump.
2117 * opts.c (decode_options): Set flag_tree_switch_conversion
2118 only conditionally on optimize >= 2.
2120 * gcse.c: Assorted comment fixes in pass description.
2122 2010-02-03 Anthony Green <green@moxielogic.com>
2124 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
2125 nop padding in order to maintain alignment of storage location of
2126 target function address.
2127 (moxie_trampoline_init): Store target function address at newly
2129 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
2131 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
2133 2010-02-03 Richard Guenther <rguenther@suse.de>
2136 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
2138 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2140 * config.gcc: Reenable check for obsolete targets.
2141 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
2142 mips-sgi-irix6.[0-4]*.
2144 2010-02-02 Nick Clifton <nickc@redhat.com>
2146 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
2147 constant size of 4 as being the same as 0.
2148 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
2149 can take values in the range 0..4.
2151 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
2154 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
2155 as _darwin10_Unwind_FindEnclosingFunction().
2156 * libgcc-libsystem.ver: New.
2158 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
2161 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
2162 implicitly set registers.
2164 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
2166 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
2167 (arm_override_options): Allow automatic selection of the thread
2168 pointer register if thumb2.
2169 (legitimize_pic_address): Improve code sequences for Thumb2.
2170 (arm_call_tls_get_addr): Likewise.
2171 (legitimize_tls_address): Likewise.
2172 * arm.md (pic_load_addr_arm): Delete. Replace with ...
2173 (pic_load_addr_32bit): ... this. New named pattern.
2174 * thumb2.md (pic_load_addr_thumb2): Delete.
2175 (pic_load_dot_plus_four): Delete.
2176 (tls_load_dot_plus_four): New named pattern.
2178 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2181 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
2182 Document fix for TLS bug.
2184 2010-01-31 Richard Guenther <rguenther@suse.de>
2186 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
2187 conservatively correct.
2189 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2193 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2195 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
2197 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2199 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
2201 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
2203 * config.gcc: Adjust order of makefile fragments for mingw targets.
2205 2010-01-31 Richard Guenther <rguenther@suse.de>
2208 * gimplify.c (gimplify_init_constructor): For volatile LHS
2209 initialize a temporary.
2211 2010-01-31 Matthias Klose <doko@ubuntu.com>
2213 * configure.ac: Fix __stack_chk_fail check for cross builds configured
2215 * configure: Regenerate.
2217 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
2219 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
2220 the same alias set and their sizes different constantness.
2221 (aliasing_component_refs_p): Revert 2009-10-24 change.
2223 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2225 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
2228 2010-01-29 Richard Guenther <rguenther@suse.de>
2230 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
2231 Assert we successfully updated the call.
2233 2010-01-29 Jakub Jelinek <jakub@redhat.com>
2235 PR rtl-optimization/42889
2236 * df.h (df_set_bb_dirty_nonlr): New prototype.
2237 * df-core.c (df_set_bb_dirty_nonlr): New function.
2238 * df-scan.c (df_insn_rescan): Call it instead of
2239 df_set_bb_dirty for DEBUG_INSNs.
2241 2010-01-29 Richard Guenther <rguenther@suse.de>
2244 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
2245 quadratic behavior in most cases.
2247 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
2250 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
2251 in the call to gen_x86_movsicc_0_m1.
2253 2010-01-28 Richard Guenther <rguenther@suse.de>
2255 PR tree-optimization/42871
2256 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
2258 2010-01-28 Richard Guenther <rguenther@suse.de>
2260 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
2261 into call arguments.
2263 2010-01-28 Richard Guenther <rguenther@suse.de>
2266 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
2267 the forwarder if the destination is an EH landing pad.
2269 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
2271 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
2272 block list passed to gimple_duplicate_sese_tail.
2273 (parallelize_loops): Avoid parallelization when the function
2275 Avoid parallelization when the preheader is IRREDUCIBLE.
2276 Try to optimize when estimated_loop_iterations_int is unresolved.
2277 Add the loop's location to the dump file.
2278 * tree-cfg.c (add_phi_args_after_redirect): Remove.
2279 (gimple_duplicate_sese_tail): Remove the check for the latch.
2280 Redirect nexits to the exit block.
2281 Remove handling of the incoming edges to the latch.
2282 Redirect the backedge from the copied latch to the exit bb.
2284 2010-01-28 Michael Matz <matz@suse.de>
2287 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
2288 Wrap force_reg into a sequence, emit it before user.
2290 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
2292 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
2294 (arm_legacy_rev): Likewise.
2295 (thumb_legacy_rev): Likewise.
2297 2010-01-27 Jakub Jelinek <jakub@redhat.com>
2299 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
2300 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
2301 on MEM's address failed, try avoid_constant_pool_reference and
2302 recurse if it returned something different.
2303 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
2304 address, try avoid_constant_pool_reference and recurse if it
2305 returned something different.
2306 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
2307 address and avoid_constant_pool_reference returned something
2308 different, don't set have_address.
2310 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
2313 * var-tracking.c (val_store): Add modified argument, obey it.
2315 (count_uses): Move down logging of main.
2316 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
2317 don't need resolution.
2318 (emit_notes_in_bb): Likewise.
2320 2010-01-27 Richard Guenther <rguenther@suse.de>
2323 * tree-inline.c (remap_decl): Delay remapping of SSA name
2324 default definitions until we need them.
2326 2010-01-27 Jakub Jelinek <jakub@redhat.com>
2328 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
2329 (rs6000_delegitimize_address): New function.
2331 * config/s390/s390.c (s390_delegitimize_address): Call
2332 delegitimize_mem_from_attrs.
2335 * tree-inline.c (cannot_copy_type_1): Removed.
2336 (copy_forbidden): Don't forbid copying of functions containing
2337 records/unions with variable length fields.
2339 2010-01-27 Christian Bruel <christian.bruel@st.com>
2343 * config/sh/sh.c (find_barrier): Increase length for non delayed
2344 conditional branches.
2346 2010-01-27 Matthias Klose <doko@ubuntu.com>
2348 * configure.ac (gnu-unique-object): Fix ldd version check.
2349 * configure: Regenerate.
2351 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2353 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
2355 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
2356 Test for HAVE_GNU_AS value.
2358 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2360 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
2361 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
2362 INT64_TYPE): Define.
2363 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
2364 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
2365 INT_LEAST64_TYPE): Define.
2366 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
2367 UINT_LEAST64_TYPE): Define.
2368 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
2369 INT_FAST64_TYPE): Define.
2370 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
2371 UINT_FAST64_TYPE): Define.
2372 (INTMAX_TYPE, UINTMAX_TYPE): Define.
2373 (INTPTR_TYPE, UINTPTR_TYPE): Define.
2374 (SIG_ATOMIC_TYPE): Define.
2376 2010-01-26 Richard Guenther <rguenther@suse.de>
2378 * df-scan.c (df_scan_set_bb_info): Remove assert.
2379 (df_insn_rescan_debug_internal): Merge asserts.
2380 (df_install_ref): Likewise.
2381 (df_mark_reg): Use bitmap_set_range.
2382 (df_hard_reg_used_p): Remove assert.
2383 (df_hard_reg_used_count): Likewise.
2385 2010-01-26 Richard Guenther <rguenther@suse.de>
2387 PR rtl-optimization/42685
2388 * web.c (web_main): Ignore DEBUG_INSNs.
2390 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
2392 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
2394 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
2395 Fix types of fndecl and arglist parameters.
2397 2010-01-26 Richard Guenther <rguenther@suse.de>
2400 * tree-eh.c (unsplit_eh): Skip debug insns.
2402 2010-01-26 Richard Guenther <rguenther@suse.de>
2404 PR tree-optimization/42250
2405 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
2407 2010-01-26 Jakub Jelinek <jakub@redhat.com>
2410 * omp-low.c (expand_omp_sections): Only use single_pred if
2411 l2_bb is single_pred_p.
2413 2010-01-25 Christian Bruel <christian.bruel@st.com>
2416 * config/sh/sh.c (find_barrier): Increase length for non delayed
2417 conditional branches.
2418 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
2420 2010-01-24 David S. Miller <davem@davemloft.net>
2422 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
2423 define if not using GAS.
2424 * config/sparc/sparc.c (sparc_elf_asm_named_section):
2425 Likewise. Delete SECTION_MERGE code, which is only applicable
2428 2010-01-24 Mark Mitchell <mark@codesourcery.com>
2431 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
2432 mangling of va_list in system headers.
2434 2010-01-23 Toon Moene <toon@moene.org>
2436 * tree-predcom.c (combine_chains): Return NULL, not false.
2438 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
2440 * tree-loop-distribution.c (distribute_loop): Fix declaration and
2441 initialization of variable res to agree with return type.
2443 2010-01-22 Steve Ellcey <sje@cup.hp.com>
2445 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
2446 * tree-sra.c: Add include of expr.h.
2448 2010-01-22 Jakub Jelinek <jakub@redhat.com>
2450 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
2451 insert the debug stmt on the single non-EH edge from the stmt.
2453 2010-01-22 Richard Henderson <rth@redhat.com>
2456 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
2457 the RHS until after generate_subtree_copies has insertted its
2458 code before the current statement.
2460 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
2462 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
2464 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
2466 2010-01-21 Martin Jambor <mjambor@suse.cz>
2468 PR tree-optimization/42585
2469 * tree-sra.c (struct access): New field grp_total_scalarization.
2470 (dump_access): Dump the new field.
2471 (should_scalarize_away_bitmap): New variable.
2472 (cannot_scalarize_away_bitmap): Likewise.
2473 (sra_initialize): Allocate new bitmaps.
2474 (sra_deinitialize): Free new bitmaps.
2475 (create_access_1): New function.
2476 (create_access): Parts moved to create_access_1.
2477 (type_consists_of_records_p): New function.
2478 (completely_scalarize_record): Likewise.
2479 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
2480 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
2481 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
2483 (analyze_all_variable_accesses): Completely scalarize small eligible
2486 2010-01-21 Martin Jambor <mjambor@suse.cz>
2488 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
2490 2010-01-21 Andrew Haley <aph@redhat.com>
2492 * gcc.c (process_command): Move lang_specific_driver before
2493 setting cc_libexec_prefix.
2495 2010-01-21 Richard Guenther <rguenther@suse.de>
2498 * fold-const.c (negate_expr_p): Pretend only negative
2499 real constants are easily negatable.
2501 2010-01-20 Janis Johnson <janis187@us.ibm.com>
2502 Jason Merrill <jason@redhat.com>
2504 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
2505 (TYPE_TRANSPARENT_AGGR): this, for union and record.
2506 * calls.c (initialize argument_information): Handle it.
2507 * c-common.c (handle_transparent_union_attribute): Use new name.
2508 * c-decl.c (finish_struct): Ditto.
2509 * c-typeck.c (type_lists_compatible_p): Ditto.
2510 (convert_for_assignment): Use new name and also handle record.
2511 * function.c (aggregate_value_p): Handle it.
2512 (pass_by_reference): Ditto.
2513 (assign_parm_data_types): Ditto.
2514 * print-tree.c (print_node): Ditto.
2515 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
2516 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
2517 * tree.c (first_field): New fn.
2519 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
2522 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
2523 even when linking statically, for now.
2525 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
2528 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
2529 without a cselib val.
2530 (count_uses): Accept MO_VAL_SET with no val on stores.
2531 (add_stores): Likewise.
2533 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2535 * var-tracking.c (check_value_val): Add a compile time assertion.
2536 (dv_is_decl_p): Simplify.
2537 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
2538 gcc_assert if ENABLE_CHECKING.
2540 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
2543 * var-tracking.c: Include tree-flow.h.
2544 (mem_dies_at_call): New.
2545 (dataflow_set_preserve_mem_locs): Use it.
2546 (dataflow_set_remove_mem_locs): Likewise.
2547 (dump_var): Renamed from dump_variable. Adjust all callers.
2548 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
2549 * Makefile.in (var-tracking.o): Adjust deps.
2551 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
2553 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
2555 2010-01-20 Richard Guenther <rguenther@suse.de>
2557 PR tree-optimization/42717
2558 * tree-ssa-dce.c (get_live_post_dom): Remove.
2559 (forward_edge_to_pdom): Take an arbitrary edge to copy
2560 degenerate PHI args from.
2561 (remove_dead_stmt): Use the first post-dominator even if it
2562 does not contain live statements as redirection destination.
2564 2010-01-20 Richard Guenther <rguenther@suse.de>
2566 * tree-inline.c (estimate_num_insns): Handle EH builtins.
2568 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2570 * sel-sched.c (create_speculation_check): Remove set but not used
2572 (try_transformation_cache): Remove set but not used variable ds.
2573 (calculate_privileged_insns): Remove set but not used variables
2574 cur_insn and min_spec_insn.
2575 (find_best_expr): Remove set but not used variable avail_n.
2576 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
2578 * cgraphunit.c (assemble_thunk): Remove set but not used variable
2580 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
2581 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
2584 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
2587 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
2588 cpu types. Add support for *-sse3 cpu types.
2589 (x86_64-*-*): Ditto.
2591 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2594 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
2595 argument, call initializer_constant_valid_p_1 instead of
2596 initializer_constant_valid_p, pass CACHE to it, return NULL
2597 immediately if first call returns NULL.
2598 (initializer_constant_valid_p_1): New function.
2599 (initializer_constant_valid_p): Use it.
2601 2010-01-20 Thomas Quinot <quinot@adacore.com>
2603 * tree.def (PLACEHOLDER_EXPR): Fix comment.
2605 2010-01-20 Jakub Jelinek <jakub@redhat.com>
2607 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
2608 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
2609 (loc_list_from_tree): Don't handle unsigned division. Handle
2610 signed modulo using DW_OP_{over,over,div,mul,minus}.
2611 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
2612 modulo instead of signed.
2614 2010-01-20 DJ Delorie <dj@redhat.com>
2616 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
2618 (h8300_emit_stack_adjustment): Propogate it.
2620 (h8300_expand_prologue): Likewise.
2621 (h8300_expand_epilogue): Likewise.
2623 2010-01-19 Michael Matz <matz@suse.de>
2625 PR tree-optimization/41783
2626 * tree-data-ref.c (toplevel): Include flags.h.
2627 (dump_data_dependence_relation): Also dump the inputs if the
2628 result will be unknown.
2629 (split_constant_offset_1): Look through some conversions.
2630 * tree-predcom.c (determine_roots_comp): Restart a new chain if
2631 the offset from last element is too large.
2632 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
2633 (reassociate_to_the_same_stmt): Handle vector registers.
2634 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
2636 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
2637 wide_prolog_niters argument, emit widening instructions.
2638 (vect_do_peeling_for_alignment): Adjust caller, use widened
2639 variant of the iteration cound.
2640 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
2642 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2645 * config/arm/neon-testgen.m (emit_automatics): New parameter
2646 features. Adjust for Fixed_return_reg feature.
2647 (test_intrinsic): Call emit_automatics with new feature.
2648 * config/arm/neon.ml: Update copyright years.
2649 (features): New Fixed_return_reg feature.
2650 (ops): Update feature for Vget_low.
2652 2010-01-19 Jakub Jelinek <jakub@redhat.com>
2654 PR tree-optimization/42719
2655 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
2659 * fwprop.c (all_uses_available_at): Return false if def_set dest
2660 is a REG that is used in def_insn.
2662 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
2664 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
2666 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
2669 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
2671 * target.h (struct gcc_target) <secondary_reload>: Change type
2672 of last argument to secondary_reload_info *.
2674 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
2677 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
2678 memory references with unaligned offsets. Remove CQImode handling.
2679 (unaligned_memory_operand): Return 1 for memory references with
2680 unaligned offsets. Remove CQImode handling.
2682 2010-01-18 Richard Guenther <rguenther@suse.de>
2685 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
2688 2010-01-18 Richard Guenther <rguenther@suse.de>
2690 PR tree-optimization/42781
2691 * tree-ssa-structalias.c (find_what_var_points_to): Skip
2692 restrict processing only if the original variable was artificial.
2694 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
2696 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
2697 find number of popped argument bytes.
2699 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
2700 Fix the text that describes the return value for invalid insns.
2702 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
2704 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
2705 Clarify what 'cost of the -dependence' is. Fix quoting.
2707 * toplev.c (default_get_pch_validity): Rename argument to "sz".
2708 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
2710 2010-01-17 Jakub Jelinek <jakub@redhat.com>
2712 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
2713 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
2715 2010-01-17 Richard Guenther <rguenther@suse.de>
2718 * function.c (split_complex_args): Take a VEC to modify.
2719 (assign_parms_augmented_arg_list): Build a VEC instead of
2720 a chain of PARM_DECLs.
2721 (assign_parms_unsplit_complex): Take a VEC of arguments.
2722 Do not fixup unmodified parms.
2723 (assign_parms): Deal with the VEC.
2724 (gimplify_parameters): Likewise.
2726 2010-01-17 Richard Guenther <rguenther@suse.de>
2728 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
2729 node existence check.
2730 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
2731 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
2732 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
2733 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
2734 (gimple_execute_on_growing_pred): Likewise.
2736 2010-01-17 Richard Guenther <rguenther@suse.de>
2738 PR tree-optimization/42773
2739 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
2740 (compute_antic_aux): Likewise.
2741 (compute_partial_antic_aux): Likewise.
2743 2010-01-17 Jie Zhang <jie.zhang@analog.com>
2746 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
2749 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
2751 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
2754 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
2755 Fix markup for strict argument.
2757 (TARGET_SCHED_REORDER2): Fix argument types.
2759 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
2760 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
2762 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
2763 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
2765 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
2768 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
2769 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
2770 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
2771 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
2772 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
2774 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
2776 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
2778 (TARGET_ASM_RELOC_RW_MASK): Add return type.
2779 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
2781 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
2783 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
2786 (TARGET_ASM_NAMED_SECTION): Fix argument list.
2788 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
2789 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
2791 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
2793 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
2795 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
2796 referring to it. Fix language.
2798 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
2800 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
2802 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
2804 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
2806 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
2807 '@var{stream}. Remove stray 'and'.
2809 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
2811 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
2813 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
2815 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
2816 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
2818 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
2819 Fix description of return value.
2820 Rename argument "sz" to "len."
2822 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
2823 Clarify meaning of 'true' return value.
2825 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
2827 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
2828 rep_mode versus mode_rep.
2830 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
2832 (TARGET_BUILTIN_DECL): Fix name.
2834 (TARGET_COMMUTATIVE_P): Fix type of first argument.
2836 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
2838 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
2840 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
2842 (TARGET_RELAXED_ORDERING): Use @deftypevr.
2844 (TARGET_GET_DRAP_RTX): Note that this is a hook.
2847 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
2848 Rename argument tm_fn to md_fn.
2850 (TARGET_OPTION_PRINT): Fix argument list.
2852 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
2855 * config/i386/i386.c (ix86_fixup_binary_operands):
2856 Revert FMA4 fixup of operands.
2858 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2861 * Makefile.in (write_entries_to_file, install-plugin):
2862 Use \012 instead of \n with tr.
2864 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
2866 * configure.ac (HAVE_AS_REF): New C macro.
2867 * configure: Regenerate.
2868 * config.in: Likewise.
2869 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
2871 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
2874 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
2876 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
2878 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
2880 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
2882 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
2884 (TARGET_IN_SMALL_DATA_P): Fix argument type.
2886 (TARGET_BINDS_LOCAL_P): Fix argument type.
2888 (TARGET_ASM_FILE_END): Use prototype.
2890 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
2892 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
2894 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
2896 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
2898 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
2899 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
2901 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
2902 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
2904 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
2905 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
2906 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
2907 (TARGET_ADDR_SPACE_CONVERT): Likewise.
2909 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
2911 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
2913 (TARGET_INIT_BUILTINS): Use prototype.
2915 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
2916 Put 'const char *' in braces. Fix parameter types.
2917 (TARGET_INVALID_CONVERSION): Fix parameter types.
2918 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
2919 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
2921 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
2924 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
2926 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
2928 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
2930 * doc/tm.texi (TARGET_HELP): Fix return type.
2932 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
2933 in braces. Fix argument types.
2935 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
2937 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
2939 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
2941 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
2942 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
2944 (TARGET_MANGLE_TYPE): Fix argument types.
2946 (TARGET_IRA_COVER_CLASSES): Use prototype.
2948 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
2950 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
2952 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
2954 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
2956 (TARGET_CALLEE_COPIES): Fix argument types.
2958 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
2960 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
2962 (TARGET_FUNCTION_VALUE): Fix argument types.
2964 (TARGET_RETURN_IN_MSB): Fix argument type.
2966 (TARGET_RETURN_IN_MEMORY): Fix argument types.
2968 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
2970 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
2972 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
2973 agree with return type.
2975 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
2977 2010-01-15 Jing Yu <jingyu@google.com>
2979 PR rtl-optimization/42691
2980 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
2981 a pseudo to a constant and are merged, and adjust comments.
2983 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
2985 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
2987 2010-01-15 Richard Guenther <rguenther@suse.de>
2990 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
2991 labels of computed or non-local gotos to the destination.
2992 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
2993 landing pad label is the first label.
2995 2010-01-15 Richard Guenther <rguenther@suse.de>
2997 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
2999 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
3002 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
3003 to allow generation of the xssqrtdp instruction on power7.
3004 (sqrtdf2_fpr): Ditto.
3006 2010-01-14 Jakub Jelinek <jakub@redhat.com>
3009 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
3010 functions with noreturn attribute.
3013 * varasm.c (declare_weak): Add weak attribute to decl if it
3014 doesn't have one already.
3015 (assemble_external): Only add decls to weak_decls if they also
3016 have weak attribute.
3018 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
3020 * var-tracking.c (var_reg_delete): Don't delete the association
3021 between REGs and values or one-part variables if the register
3024 2010-01-14 Jakub Jelinek <jakub@redhat.com>
3027 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
3028 because its first operand is a non-localized variable.
3030 2010-01-14 Martin Jambor <mjambor@suse.cz>
3032 PR tree-optimization/42706
3033 * tree-sra.c (encountered_recursive_call): New variable.
3034 (encountered_unchangable_recursive_call): Likewise.
3035 (sra_initialize): Initialize both new variables.
3036 (callsite_has_enough_arguments_p): New function.
3037 (scan_function): Call decl and flags check only for IPA-SRA, check
3038 whether there is a recursive call and whether it has enough arguments.
3039 (all_callers_have_enough_arguments_p): New function.
3040 (convert_callers): Look for recursive calls only when
3041 encountered_recursive_call is set.
3042 (ipa_early_sra): Bail out either if
3043 !all_callers_have_enough_arguments_p or
3044 encountered_unchangable_recursive_call.
3046 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3048 * sel-sched.c: Add 2010 to copyright years.
3049 * sel-sched-ir.c: Likewise.
3050 * sel-sched-ir.h: Likewise.
3052 2010-01-14 Martin Jambor <mjambor@suse.cz>
3054 PR tree-optimization/42714
3055 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
3056 constructors specially.
3058 2010-01-14 Andi Kleen <ak@linux.intel.com>
3060 * config/i386/drivers-i386.c (detect_caches_intel):
3061 Add l2sizekb parameter and fill in.
3062 (host_detect_local_cpu): Add l2sizekb, fill in.
3063 Add Atom small cache heuristic.
3065 2010-01-14 Andi Kleen <ak@linux.intel.com>
3067 * config/i386/drivers-i386.c (detect_caches_cpuid4):
3068 Add level3 parameter and fill in.
3069 (detect_caches_intel): Handle level3 cache.
3071 2010-01-14 Andi Kleen <ak@linux.intel.com>
3073 * config/i386/drivers-i386.c (host_detect_local_cpu):
3074 Fix core duo detection.
3076 2010-01-14 Andi Kleen <ak@linux.intel.com>
3078 * config/i386/drivers-i386.c (host_detect_local_cpu):
3081 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3083 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
3084 (rs6000_variable_issue_1): this. Use...
3085 (rs6000_variable_issue): here. Reimplement. Print debug info.
3087 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3089 * sel-sched-ir.c (sel_restore_other_notes): Rename to
3090 sel_restore_notes. Update all callers. Call reemit_notes
3093 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3095 PR rtl-optimization/42246
3096 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
3099 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3101 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
3102 all successors is the same as number of successors in current region.
3104 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3106 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
3107 to rename is not separable. Otherwise check that its LHS is not NULL.
3109 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3111 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
3113 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3115 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
3116 available registers when failed to discover LHS register class.
3117 Fix indentation. Update comment.
3119 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3120 Alexander Monakov <amonakov@ispras.ru>
3122 PR rtl-optimization/42389
3123 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
3125 (advance_state_on_fence): Likewise.
3126 (sel_target_adjust_priority): Print debug output only when
3127 sched_verbose >= 4, not 2.
3128 (get_expr_cost): Do not issue all unique insns on the next cycle.
3129 (fill_insns): Initialize can_issue_more from the value saved
3131 * sel-sched-ir.c (flist_add): New parameter issue_more.
3132 Init FENCE_ISSUE_MORE with it.
3133 (merge_fences): Likewise.
3134 (init_fences): Update call to flist_add.
3135 (add_to_fences, add_clean_fence_to_fences)
3136 (add_dirty_fence_to_fences): Likewise.
3137 (move_fence_to_fences): Update call to merge_fences.
3138 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
3140 * sel-sched-ir.h (struct _fence): New field issue_more.
3141 (FENCE_ISSUE_MORE): New accessor macro.
3143 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3145 PR rtl-optimization/42388
3146 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
3147 that have no predecessors nor successors. Do not call move_bb_info
3148 for empty blocks outside of current region.
3150 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3152 PR rtl-optimization/42294
3153 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
3154 * sel-sched.c (move_exprs_to_boundary): Transitively add all
3155 originators' originators.
3157 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
3159 PR rtl-optimization/39453
3160 PR rtl-optimization/42246
3161 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
3163 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
3165 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3166 Alexander Monakov <amonakov@ispras.ru>
3169 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
3170 (maybe_tidy_empty_bb): ... here. Make static. Add new
3171 argument. Update all callers.
3172 (tidy_control_flow): ... and here. Recompute topological order
3173 of basic blocks in region if necessary.
3174 (sel_redirect_edge_and_branch): Change return type. Return true
3175 if topological order might have been invalidated.
3176 (purge_empty_blocks): Export and move from...
3177 * sel-sched.c (purge_empty_blocks): ... here.
3178 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
3179 (maybe_tidy_empty_bb): Delete prototype.
3180 (purge_empty_blocks): Declare.
3182 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
3184 PR rtl-optimization/42249
3185 * sel-sched.c (try_replace_dest_reg): When chosen register
3186 and original register is the same, do not bail out early, but
3187 still check all original insns for validity of replacing destination
3188 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
3191 2010-01-14 Jakub Jelinek <jakub@redhat.com>
3194 Port from no-undefined-overflow branch:
3195 2009-03-09 Richard Guenther <rguenther@suse.de>
3197 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
3199 2010-01-14 Richard Guenther <rguenther@suse.de>
3202 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
3204 2010-01-14 Ira Rosen <irar@il.ibm.com>
3206 PR tree-optimization/42709
3207 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
3208 as scalar type in creation of constant vector operand.
3210 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3213 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
3214 (check-parallel-%): Match `testsuite' directory component only
3217 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
3219 PR translation/39521
3220 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
3223 2010-01-13 Richard Guenther <rguenther@suse.de>
3225 PR tree-optimization/42730
3226 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
3229 2010-01-13 Steve Ellcey <sje@cup.hp.com>
3232 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
3233 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
3236 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
3238 * config/bfin/libgcc-bfin.ver: Regenerate based on current
3239 libgcc-std.ver. Add entries for ___smulsi3_highpart and
3240 ___umulsi3_highpart.
3242 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
3243 rather than schedule_insns if the pass is enabled.
3245 2010-01-13 Martin Jambor <mjambor@suse.cz>
3247 PR tree-optimization/42704
3248 * tree-sra.c (sra_modify_assign): Do not delete assignments to
3251 2010-01-13 Martin Jambor <mjambor@suse.cz>
3253 PR tree-optimization/42703
3254 * tree-sra.c (analyze_access_subtree): Check that we can build a
3255 reference to the original data within the aggregate.
3257 2010-01-13 Richard Guenther <rguenther@suse.de>
3259 PR tree-optimization/42705
3260 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
3262 2010-01-13 Richard Guenther <rguenther@suse.de>
3265 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
3267 2010-01-13 Jakub Jelinek <jakub@redhat.com>
3270 * var-tracking.c (values_to_unmark): New variable.
3271 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
3272 values_to_unmark vector. Moved body to...
3273 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
3274 instead queue it into values_to_unmark vector.
3275 (vt_find_locations): Free values_to_unmark vector.
3277 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
3279 * config/s390/s390.c (override_options): Set
3280 default of max-pending-list-length to 256
3282 2010-01-13 Richard Guenther <rguenther@suse.de>
3285 * tree-pass.h (PROP_gimple_lcx): New.
3286 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
3287 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
3288 before the final cleanup_eh.
3289 (dump_properties): Dump PROP_gimple_lcx.
3290 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
3291 (tree_lower_complex_O0): Remove.
3292 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
3293 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
3294 tree_lower_complex, schedule TODO_update_ssa.
3295 * lto-streamer-out.c (output_function): Stream the functions
3297 * lto-streamer-in.c (input_function): Likewise.
3298 (lto_read_body): Do not override them here.
3300 2010-01-12 Joseph Myers <joseph@codesourcery.com>
3303 * c-typeck.c (build_c_cast): Fold value cast to union type before
3304 wrapping it in a CONSTRUCTOR.
3306 2010-01-12 Jakub Jelinek <jakub@redhat.com>
3308 PR rtl-optimization/42699
3309 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
3312 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3314 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
3315 SUBTARGET_WARN_UNUSED_SPEC): Move ...
3316 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
3317 SUBTARGET_WARN_UNUSED_SPEC): ... here
3318 * config/mips/iris5.h (LIBGCC_SPEC): Define.
3320 2010-01-12 Julian Brown <julian@codesourcery.com>
3322 * config/arm/neon-schedgen.ml (Utils): Don't try to
3323 open missing module.
3324 (find_with_result): New.
3326 2010-01-12 Jakub Jelinek <jakub@redhat.com>
3329 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
3330 sharing when canonicalizing ({lt,ge}u (plus a b) b).
3332 PR tree-optimization/42645
3333 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
3334 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
3335 decl_map, set processing_debug_stmt to -1 and return name without
3338 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
3340 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
3341 binutils version, and reword target configuration description.
3343 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
3345 * config/avr/avr.h (LINKER_NAME): Remove.
3347 2010-01-11 Janis Johnson <janis187@us.ibm.com>
3350 * config/rs6000/rs6000.c (rs6000_override_options): On targets
3351 that support VSX, warn for -mno-altivec if vsx is not disabled,
3354 2010-01-11 Joseph Myers <joseph@codesourcery.com>
3355 Shujing Zhao <pearly.zhao@oracle.com>
3357 PR translation/42469
3358 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
3359 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
3360 character between option name and help text.
3361 * c.opt (imultilib): Likewise.
3363 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
3365 * lto-streamer-out.c (output_unreferenced_globals): Output static
3368 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
3370 PR rtl-optimization/42621
3371 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
3372 optimizing for size.
3373 (duplicate_computed_gotos): Remove now-redundant check.
3375 2010-01-10 Steve Ellcey <sje@cup.hp.com>
3378 * configure.ac: Save and restore LDFLAGS and LIBS
3379 * configure: Regenerate.
3381 2010-01-10 Richard Guenther <rguenther@suse.de>
3384 * builtins.c (fold_builtin_strlen): Add type argument and
3385 convert the resulting length to it.
3386 (fold_builtin_1): Adjust.
3388 2010-01-09 Jakub Jelinek <jakub@redhat.com>
3390 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
3391 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
3393 (num_insns_constant_wide): Adjust for that change.
3395 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3398 * web.c (union_defs): Add used argument, to combine uses of
3400 (entry_register): Adjust type and tests of used argument.
3401 (web_main): Widen used for new use. Pass it to union_defs.
3402 * df.h (union_defs): Adjust prototype.
3404 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3407 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
3408 uses in new incoming argument. Free body.
3409 (reset_debug_uses_in_loop): New.
3410 (analyze_insn_to_expand_var): Call the latter if the former found
3411 anything. Fix whitespace. Reject invalid dest overlaps before
3412 going through all insns in the loop.
3414 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3417 * haifa-sched.c (dying_use_p): Debug insns don't count.
3419 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3422 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
3423 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
3424 (verify_gimple_call): Reject LHS in noreturn calls.
3426 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3430 * tree-vect-loop-manip.c (adjust_info): New type.
3431 (adjust_vec): New pointer to vector.
3432 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
3433 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
3434 (slpeel_update_phis_for_duplicate_loop): Use them.
3435 (slpeel_update_phi_nodes_for_guard1): Likewise.
3436 (slpeel_update_phi_nodes_for_guard2): Likewise.
3437 (slpeel_tree_peel_loop_to_edge): Likewise.
3438 (vect_update_ivs_after_vectorizer): Likewise.
3440 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3442 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
3443 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
3445 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
3447 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
3448 bogus uninitialized warning.
3450 2010-01-09 Richard Guenther <rguenther@suse.de>
3453 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
3454 the evolution is compatible with the initial condition.
3456 2010-01-09 Jakub Jelinek <jakub@redhat.com>
3458 * gcc.c (process_command): Update copyright notice dates.
3459 * gcov.c (print_version): Likewise.
3460 * gcov-dump.c (print_version): Likewise.
3461 * mips-tfile.c (main): Likewise.
3462 * mips-tdump.c (main): Likewise.
3464 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
3467 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
3469 (rotlhi3_8): Delete.
3471 (rotlsi3_8): Delete.
3472 (rotlsi3_16): Delete.
3473 (rotlsi3_24): Delete.
3475 (*rotw<mode>3): New.
3476 (*rotb<mode>3): New.
3477 * config/avr/avr.c (avr_rotate_bytes): New function.
3478 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
3480 2010-01-08 Steve Ellcey <sje@cup.hp.com>
3483 * configure.ac: Modify -rdynamic check.
3484 * configure: Regenerate.
3486 2010-01-08 DJ Delorie <dj@redhat.com>
3488 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
3489 register popping order.
3491 2010-01-08 Richard Guenther <rguenther@suse.de>
3494 * c.opt (fsigned-char): Also let LTO handle this option.
3495 (funsigned-char): Likewise.
3497 2010-01-07 Richard Guenther <rguenther@suse.de>
3499 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
3500 (gimple_op): Likewise.
3501 (gimple_op_ptr): Likewise.
3502 (gimple_assign_set_lhs): Remove gcc_assert.
3503 (gimple_assign_set_rhs1): Likewise.
3504 (gimple_assign_set_rhs2): Likewise.
3505 (gimple_call_set_lhs): Likewise.
3506 (gimple_call_set_fn): Likewise.
3507 (gimple_call_set_fndecl): Likewise.
3508 (gimple_call_fndecl): Likewise.
3509 (gimple_call_return_type): Likewise.
3510 (gimple_call_set_chain): Likewise.
3511 (gimple_call_num_args): Likewise.
3512 (gimple_call_set_arg): Likewise.
3513 (gimple_cond_set_code): Likewise.
3514 (gimple_cond_set_lhs): Likewise.
3515 (gimple_cond_set_rhs): Likewise.
3516 (gimple_cond_set_true_label): Likewise.
3517 (gimple_cond_set_false_label): Likewise.
3518 (gimple_label_set_label): Likewise.
3519 (gimple_goto_set_dest): Likewise.
3520 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
3521 (gimple_debug_bind_get_value): Likewise.
3522 (gimple_debug_bind_get_value_ptr): Likewise.
3523 (gimple_debug_bind_set_var): Likewise.
3524 (gimple_debug_bind_set_value): Likewise.
3525 (gimple_debug_bind_reset_value): Likewise.
3526 (gimple_debug_bind_has_value_p): Likewise.
3527 (gimple_return_retval_ptr): Remove gcc_assert.
3528 (gimple_return_retval): Likewise.
3529 (gimple_return_set_retval): Likewise.
3530 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
3531 (safe_referenced_var_iterator): Remove.
3532 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
3533 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
3534 (fill_referenced_var_vec): Remove.
3535 (first_readonly_imm_use): Remove redundant gcc_assert.
3536 (phi_arg_index_from_use): Combine gcc_asserts.
3537 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
3538 (first_imm_use_stmt): Remove redundant gcc_assert.
3539 * tree-cfg.c (verify_gimple_call): Verify function and chain
3540 operands. Verify arguments.
3541 (verify_types_in_gimple_stmt): Verify condition code and labels.
3543 2010-01-07 Richard Guenther <rguenther@suse.de>
3545 PR tree-optimization/42641
3546 * sese.c (rename_map_elt_info): Use the SSA name version, do
3549 2010-01-07 Jakub Jelinek <jakub@redhat.com>
3551 PR tree-optimization/42625
3552 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
3553 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
3555 2010-01-07 Duncan Sands <baldrick@free.fr>
3557 * Makefile.in (PLUGIN_HEADERS): Add version.h.
3559 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
3562 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
3563 note itself is not function_invariant_p.
3565 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
3567 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
3568 Do not add the DF_NOTE problem.
3569 * store-motion.c (execute_rtl_store_motion): Likewise.
3571 2010-01-07 Martin Jambor <mjambor@suse.cz>
3573 PR tree-optimization/42157
3574 * tree-sra.c (compare_access_positions): Stabilize sort if both
3575 accesses have integer types, return zero immediately if they are the
3578 2010-01-06 Richard Henderson <rth@redhat.com>
3581 * haifa-sched.c (add_to_note_list): Merge into ...
3582 (concat_note_lists): ... here, and ...
3583 (unlink_other_notes, rm_other_notes): Merge into...
3584 (remove_notes): ... here. Create REG_SAVE_NOTEs for
3585 NOTE_INSN_EPILOGUE_BEG.
3587 2010-01-06 Richard Guenther <rguenther@suse.de>
3589 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
3590 not inline regular functions into always-inline functions.
3592 2010-01-06 Nick Clifton <nickc@redhat.com>
3594 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
3595 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
3597 (OVERRIDE_OPTIONS): Delete.
3598 (OPTIMIZATION_OPTIONS): Define.
3599 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
3600 * config/rx/rx.c (rx_handle_option): Issue an error message if
3601 -mcpu=rx200 and -fpu are used together.
3602 (rx_set_optimization_options): New function. Issue an error
3603 message if an optimization attribute attempts to reset the FPU/
3604 math optimization pairing.
3605 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
3606 * config/rx/rx.opt: Set the default to 32-bit doubles.
3607 * config/rx/t-rx: Add multilibs for -nofpu option.
3608 * doc/invoke.texi: Update documentation of RX options.
3610 2010-01-06 Richard Guenther <rguenther@suse.de>
3612 * tree-ssa-pre.c (name_to_id): New global.
3613 (alloc_expression_id): Simplify SSA name handling.
3614 (lookup_expression_id): Likewise.
3615 (init_pre): Zero name_to_id.
3616 (fini_pre): Free it.
3618 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
3620 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
3622 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
3625 * config/i386/sse.md (smaxv2di3): New.
3626 (umaxv2di3): Likewise.
3627 (sminv2di3): Likewise.
3628 (uminv2di3): Likewise.
3630 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
3633 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
3634 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
3635 (legitimize_tls_address): Likewise.
3636 (sparc_tls_referenced_p): Likewise.
3637 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
3638 and adjust calls to legitimize_pic_address.
3639 (legitimate_constant_p) Use sparc_tls_referenced_p.
3640 (legitimate_pic_operand_p): Likewise.
3641 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
3642 (sparc_tls_symbol_ref_1): Delete.
3643 (sparc_tls_referenced_p): Make static, recognize specific patterns.
3644 (legitimize_tls_address): Make static, handle CONST patterns.
3645 (legitimize_pic_address): Make static, remove unused parameter and
3646 adjust recursive calls.
3647 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
3648 and adjust call to legitimize_pic_address.
3649 (sparc_output_mi_thunk): Likewise.
3651 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
3652 H.J. Lu <hongjiu.lu@intel.com>
3655 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
3656 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
3657 operands to make them signed.
3660 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
3663 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
3664 GTU to GT for V4SI and V2DI.
3666 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
3667 (umin<mode>3): Removed.
3669 (uminv4si3): Likewise.
3671 2010-01-05 Martin Jambor <mjambor@suse.cz>
3673 PR tree-optimization/42462
3674 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
3675 current_function_decl to helper functions and macros.
3677 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3680 * flags.h: Don't include real.h.
3681 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
3682 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
3683 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
3684 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
3685 * dominance.c: Update copyright.
3686 * gimple.c (walk_gimple_op): Remove inline.
3687 * tree-ssa-reassoc.c: Include real.h.
3688 * Makefile.in (FLAGS_H): Remove $(REAL_H).
3689 (tree-ssa-reassoc.o): Depend on $(REAL_H).
3691 2010-01-05 Nick Clifton <nickc@redhat.com>
3693 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
3694 register to push into the stack frame when the accumulator has to
3695 be saved during interrupts.
3697 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
3699 * doc/invoke.texi: Remove the documentation about option
3701 * common.opt (Wunreachable-code): Preserved for backward
3703 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
3704 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
3705 the backward compatibility flag section.
3707 2010-01-05 Richard Guenther <rguenther@suse.de>
3709 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
3711 2010-01-05 Jakub Jelinek <jakub@redhat.com>
3714 * cfgexpand.c (expand_one_var): Diagnose too large variables.
3716 PR tree-optimization/42508
3717 * tree-sra.c (convert_callers): Check for recursive call
3718 by comparing cgraph nodes instead of decls.
3719 (modify_function): Call ipa_modify_formal_parameters also
3720 on all same_body aliases.
3722 * cgraphunit.c (cgraph_materialize_all_clones): Compare
3723 cgraph nodes when checking for same_body aliases.
3725 2010-01-05 Richard Guenther <rguenther@suse.de>
3727 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
3728 allocation and lookup.
3729 (get_or_alloc_expr_for_constant): Likewise.
3730 (phi_translate): Sink allocation.
3732 2010-01-04 Richard Guenther <rguenther@suse.de>
3734 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
3735 a new entry only if needed.
3736 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
3737 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
3739 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
3741 (phi_translate): Handle CONSTANTs early.
3743 2010-01-04 Martin Jambor <mjambor@suse.cz>
3745 PR tree-optimization/42398
3746 * tree-sra.c (struct access): Removed flag grp_different_types.
3747 (dump_access): Do not dump the removed flag.
3748 (sort_and_splice_var_accesses): Do not set the removed flag.
3749 (sra_modify_expr): Check for type compatibility directly.
3751 2010-01-04 Martin Jambor <mjambor@suse.cz>
3753 PR tree-optimization/42366
3754 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
3755 edges with variable number of parameters.
3756 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
3757 flag instead of asserting it.
3758 (ipa_read_node_info): Read uses_analysis_done flag.
3760 2010-01-04 Richard Guenther <rguenther@suse.de>
3762 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
3763 iterative_hash_* as intended.
3764 (vn_reference_compute_hash): Likewise. Simplify hashing
3766 (vn_reference_lookup_2): Likewise.
3767 (vn_nary_op_compute_hash): Likewise.
3768 (vn_phi_compute_hash): Likewise.
3769 (expressions_equal_p): Remove strange code.
3770 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
3771 (pre_expr_hash): Likewise. Simplify hashing SSA names.
3772 (bitmap_insert_into_set_1): Take value-id as parameter.
3773 (add_to_value): Pass it.
3774 (bitmap_insert_into_set): Likewise.
3775 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
3777 2010-01-04 Jakub Jelinek <jakub@redhat.com>
3780 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
3781 (do_self_spec): For switches with SWITCH_IGNORE set set also
3782 SWITCH_IGNORE_PERMANENTLY.
3783 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
3786 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
3788 * lto-streamer-out.c (output_unreferenced_globals): Output the full
3789 tree of an unreferenced global var.
3791 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
3794 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
3795 GTU to GT for V4SI and V2DI.
3797 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
3798 (umin<mode>3): Removed.
3800 (uminv4si3): Likewise.
3802 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
3805 * collect2.c (main): Turn on trace in collect2 if -v is passed
3808 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
3810 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
3811 description of expression operand.
3813 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
3815 * configure.ac: Add install-html to target_list for Make-hooks.
3816 * configure: Regenerate.
3817 * fortran/Make-lang.in (F95_HTMLFILES): New.
3818 (fortran.html): Use it.
3819 (fortran.install-html): New.
3820 * Makefile.in (install-html): Add lang.install-html.
3821 * java/Make-lang.in (JAVA_HTMLFILES): New.
3822 (java.html): Use it.
3823 (java.install-html): New.
3824 * objc/Make-lang.in (objc.install-html): New.
3825 * objcp/Make-lang.in (obj-c++.install-html): New.
3826 * cp/Make-lang.in (c++.install-html): New.
3827 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
3828 * lto/Make-lang.in (lto.install-html): New.
3830 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
3833 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
3835 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
3837 PR rtl-optimization/41862
3838 * store-motion.c (store_killed_in_insn, compute_store_table,
3839 remove_reachable_equiv_notes, replace_store_insn,
3840 build_store_vectors): Ignore all DEBUG_INSNs.
3842 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
3845 * common.opt: Add dumpdir.
3847 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
3849 (option_map): Add --dumpdir.
3851 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
3853 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
3855 * opts.c (decode_options): Try dump_dir_name first if
3856 dump_base_name isn't an absolute path.
3857 (common_handle_option): Handle OPT_dumpdir.
3859 * toplev.c (dump_dir_name): New.
3860 (print_switch_values): Also ignore -dumpdir.
3862 * toplev.h (dump_dir_name): New.
3864 2010-01-03 Richard Guenther <rguenther@suse.de>
3866 PR tree-optimization/42589
3867 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
3868 double-word expansion of bswap32.
3870 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
3872 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
3873 with BLOCK_FOR_INSN.
3874 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
3875 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
3876 noce_process_if_block): Likewise.
3877 * gcse.c (compute_local_properties, insert_expr_in_table,
3878 insert_set_in_table, canon_list_insert, find_avail_set,
3879 pre_insert_copy_insn): Likewise.
3881 * basic-block.h (BLOCK_NUM): Move from here...
3882 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
3884 2010-01-03 Richard Guenther <rguenther@suse.de>
3886 PR tree-optimization/42438
3887 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
3888 contains_may_not_return_call flag.
3889 (BB_MAY_NOTRETURN): New.
3890 (valid_in_sets): Trapping nary operations are not valid
3891 in blocks that may not return.
3892 (insert_into_preds_of_block): Remove check for trapping expressions.
3893 (compute_avail): Compute also BB_MAY_NOTRETURN.
3895 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
3897 * doc/invoke.texi: Add 2010 to copyright years.
3899 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
3901 * config/sparc/sparc.c: Fix formatting nits.
3903 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
3904 Alexander Monakov <amonakov@ispras.ru>
3906 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
3908 2010-01-02 Richard Guenther <rguenther@suse.de>
3911 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
3912 (simplify_switch_using_ranges): Mark to be removed edges
3915 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3917 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
3919 * collect2.c (scan_libraries): Add missing argument in call to
3922 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
3925 * config/alpha/predicates.md (aligned_memory_operand): Return false
3927 (unaligned_memory_operand): Return true for CQImode.
3928 * config/alpha/alpha.c (get_aligned_mem): Assert that location
3929 doesn not cross aligned SImode word boundary.
3931 2010-01-02 Anatoly Sokolov <aesok@post.ru>
3933 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
3935 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
3936 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
3938 2010-01-02 Richard Guenther <rguenther@suse.de>
3941 * toplev.c (compile_file): Emit LTO marker properly. Change
3943 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
3945 2010-01-01 Richard Guenther <rguenther@suse.de>
3948 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
3950 2010-01-01 Richard Guenther <rguenther@suse.de>
3953 * c-decl.c (grokdeclarator): For zero-size arrays force
3954 structural equality checks as layout_type does.
3956 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
3958 * builtins.c: Update copyright to 2010.
3960 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
3963 * lto-streamer-out.c (produce_asm): Revert the last change.
3964 (copy_function): Likewise.
3966 * lto-streamer.c (lto_get_section_name): Skip any leading
3969 2010-01-01 Richard Guenther <rguenther@suse.de>
3972 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
3976 Copyright (C) 2010 Free Software Foundation, Inc.
3978 Copying and distribution of this file, with or without modification,
3979 are permitted in any medium without royalty provided the copyright
3980 notice and this notice are preserved.