1 2010-04-16 Christian Bruel <christian.bruel@st.com>
3 * config/sh/sh.h (sh_frame_pointer_required): New function.
4 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
5 (flag_omit_frame_pointer) Set.
6 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
7 (rounded_frame_size): Adjust size with outgoing_args_size.
8 (sh_set_return_address): Must return from stack pointer.
9 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
10 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
11 (ACCUMULATE_OUTGOING_ARGS): Define.
12 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
13 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
15 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
18 * config/sh/sh.c (sh_legitimize_reload_address): Use
19 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
20 Remove a unneeded check for offset_base.
22 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
24 * configure: Regenerated.
26 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
28 * config/s390/s390.c (s390_call_save_register_used): Switch back
31 2010-04-15 Richard Guenther <rguenther@suse.de>
33 * alias.c (alias_set_subset_of): Handle alias-set zero
36 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
37 Julian Brown <julian@codesourcery.com>
39 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
40 alternatives according to use of high and low regs.
41 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
42 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
43 optimizing for size on Thumb-2.
45 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
47 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
49 2010-04-15 Richard Guenther <rguenther@suse.de>
51 * tree-ssa-structalias.c (struct variable_info): Add
53 (new_var_info): Initialize it.
54 (dump_constraints): Support printing last added constraints.
55 (debug_constraints): Adjust.
56 (dump_constraint_graph): Likewise.
57 (make_heapvar_for): Check for NULL cfun.
58 (get_function_part_constraint): New function.
59 (get_fi_for_callee): Likewise.
60 (find_func_aliases): Properly implement IPA PTA constraints.
61 (process_ipa_clobber): New function.
62 (find_func_clobbers): Likewise.
63 (insert_into_field_list_sorted): Remove.
64 (create_function_info_for): Properly allocate vars for IPA mode.
65 Do not use insert_into_field_list_sorted.
66 (create_variable_info_for): Properly generate constraints for
67 global vars in IPA mode.
68 (dump_solution_for_var): Always dump the solution.
69 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
70 (find_what_var_points_to): Adjust.
71 (pt_solution_set): Change.
72 (pt_solution_ior_into): New function.
73 (pt_solution_empty_p): Export.
74 (pt_solution_includes_global): Adjust.
75 (pt_solution_includes_1): Likewise.
76 (pt_solutions_intersect_1): Likewise.
77 (dump_sa_points_to_info): Check some invariants.
78 (solve_constraints): Move constraint dumping ...
79 (compute_points_to_sets): ... here.
80 (ipa_pta_execute): ... and here.
81 (compute_may_aliases): Do not re-compute points-to info
82 locally if IPA info is available.
83 (ipa_escaped_pt): New global var.
84 (ipa_pta_execute): Properly implement IPA PTA.
85 * tree-into-ssa.c (dump_decl_set): Support dumping
86 decls not in referenced-vars.
87 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
88 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
89 (dump_points_to_solution): Likewise.
90 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
91 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
92 (remap_gimple_stmt): Reset call clobber/use information if
94 (copy_decl_to_var): Copy DECL_PT_UID.
95 (copy_result_decl_to_var): Likewise.
96 * tree.c (make_node_stat): Initialize DECL_PT_UID.
97 (copy_node_stat): Copy it.
98 * tree.h (DECL_PT_UID): New macro.
99 (SET_DECL_PT_UID): Likewise.
100 (DECL_PT_UID_SET_P): Likewise.
101 (struct tree_decl_minimal): Add pt_uid member.
102 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
103 (pt_solution_empty_p): Declare.
104 (pt_solution_set): Adjust.
105 (ipa_escaped_pt): Declare.
106 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
107 * gimple-pretty-print.c (pp_points_to_solution): New function.
108 (dump_gimple_call): Dump call clobber/use information.
109 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
110 * tree-pass.h (TDF_ALIAS): New dump option.
111 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
112 * doc/invoke.texi (-fipa-pta): Update documentation.
114 2010-04-15 Richard Guenther <rguenther@suse.de>
116 * Makefile.in (OBJS-common): Add gimple-fold.o.
117 (gimple-fold.o): New rule.
118 * tree.h (maybe_fold_offset_to_reference,
119 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
121 * gimple.h: ... here.
122 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
123 may_propagate_address_into_dereference): Move prototypes ...
124 * gimple.h: ... here.
125 * tree-ssa-ccp.c (get_symbol_constant_value,
126 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
127 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
128 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
129 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
130 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
131 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
132 gimplify_and_update_call_from_tree): Move ...
133 * gimple-fold.c: ... here. New file.
134 (ccp_fold_builtin): Rename to ...
135 (gimple_fold_builtin): ... this.
136 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
138 2010-04-15 Richard Guenther <rguenther@suse.de>
140 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
141 fit_double_type, force_fit_type_double, add_double_with_sign,
142 neg_double, mul_double_with_sign, lshift_double, rshift_double,
143 lrotate_double, rrotate_double, div_and_round_double): Move ...
144 * double-int.c: ... here.
145 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
146 add_double, neg_double, mul_double_with_sign, mul_double,
147 lshift_double, rshift_double, lrotate_double, rrotate_double,
148 div_and_round_double): Move prototypes ...
149 * double-int.h: ... here.
151 2010-04-15 Bernd Schmidt <bernd.schmidt@codesourcery.com>
154 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
155 matching constraints to ensure inputs match the output.
157 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
160 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
161 in an input-only operand.
163 2010-04-15 Anatoly Sokolov <aesok@post.ru>
165 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
166 (double_int_not, double_int_lshift, double_int_rshift): Declare.
167 (double_int_negative_p): Convert to static inline function.
168 * double-int.c (double_int_lshift, double_int_lshift): Add new function.
169 (double_int_negative_p): Remove.
170 * tree.h (lshift_double, rshift_double):
171 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
172 * fold-const.c (fold_convert_const_int_from_real,
173 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
174 (lshift_double): Change type of arith argument to bool.
175 (rshift_double): Change type of arith argument to bool. Correct
177 * expmed.c (mask_rtx, lshift_value): (Ditto.).
179 2010-04-14 Bernd Schmidt <bernd.schmidt@codesourcery.com>
182 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
183 at the start and end of the then/else blocks, and omit them from the
185 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
186 argument; all callers changed. Pass zero to old_insns_match_p instead.
187 (flow_find_head_matching_sequence): New function.
188 (old_insns_match_p): Check REG_EH_REGION notes for calls.
189 * basic-block.h (flow_find_cross_jump,
190 flow_find_head_matching_sequence): Declare functions.
192 2010-04-14 Jason Merrill <jason@redhat.com>
195 * c-common.c (attribute_takes_identifier_p): New fn.
196 * c-common.h: Declare it.
198 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
200 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
202 (*udivmod<mode>4): Ditto.
204 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
206 * config/i386/i386.md (maxmin_int): Rename code attribute from
207 maxminiprefix and update all users.
208 (maxmin_float): Ditto from maxminfprefix.
209 (logic): Ditto from logicprefix.
210 (absneg_mnemonic): Ditto from absnegprefix.
211 * config/i386/mmx.md: Update all users of maxminiprefix,
212 maxminfprefix and loficprefix for rename.
213 * config/i386/sse.md: Ditto.
214 * config/i386/sync.md (sync_<code><mode>): Update for
217 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
220 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
221 warnings converted to errors.
223 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
225 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
226 used insn_type variable.
227 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
228 to avoid set-but-not-used warning.
230 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
232 * df-core.c (df_ref_debug): Change format string placeholder
234 * dwarf2asm.c (dw2_asm_output_data_raw,
235 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
236 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
237 * dwarf2out.c (output_cfi, output_cfi_directive,
238 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
239 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
241 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
242 * print-rtl.c (print_rtx): Ditto.
244 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
247 * builtins.c (expand_builtin_pow_root): New function to expand pow
248 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
249 series of sqrt and cbrt calls under -ffast-math.
250 (expand_builtin_pow): Call it.
252 2010-04-14 Michael Matz <matz@suse.de>
254 PR tree-optimization/42963
255 * tree-cfg.c (touched_switch_bbs): New static variable.
256 (group_case_labels_stmt): New function broken out from ...
257 (group_case_labels): ... here, use the above.
258 (start_recording_case_labels): Allocate touched_switch_bbs.
259 (end_recording_case_labels): Deallocate it, call
260 group_case_labels_stmt.
261 (gimple_redirect_edge_and_branch): Remember index of affected BB.
263 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
265 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
268 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
270 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
272 2010-04-13 Jan Hubicka <jh@suse.cz>
274 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
275 of optimized out static functions.
276 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
277 cost computation. Also sanity check for overflows.
278 (update_caller_keys): Update cgraph_edge_badness call; properly
279 update fibheap and sanity check that it is up to date.
280 (add_new_edges_to_heap): Update cgraph_edge_badness.
281 (cgraph_decide_inlining_of_small_function): Likewise;
282 add sanity checking that badness in heap is up to date;
283 improve dumping of reason; Update badness of calls to the
284 offline copy of function currently inlined; dump badness
285 of functions not inlined because of unit growth limits.
287 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
290 * c-common.c (pointer_int_sum): Disregard overflow that occured only
291 because of sign-extension change when converting to sizetype here...
292 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
294 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
295 the folding to constants. Remove redundant final conversion.
296 (fold_binary) <associate>: Do not associate if the re-association of
297 constants alone overflows.
298 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
299 to the end of the list.
300 (multiple_of_p) <COND_EXPR>: New case.
302 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
304 * opt-functions.awk (opt_sanitized_name): New.
306 * optc-gen.awk: Use it
307 * opth-gen.awk: Use it.
309 2010-04-13 Martin Jambor <mjambor@suse.cz>
311 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
312 (sra_modify_assign): Delete stmts loading dead data even if racc has no
313 children. Call replace_uses_with_default_def_ssa_name to handle
316 2010-04-13 Michael Matz <matz@suse.de>
319 * builtins.c (expand_builtin_interclass_mathfn): Also create
320 a register if the predicate doesn't match.
322 2010-04-13 Diego Novillo <dnovillo@google.com>
324 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
325 * c-pch.c: Include timevar.h.
326 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
327 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
328 * ggc-common.c: Include timevar.h.
329 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
330 * timevar.def (TV_PCH_SAVE): Define.
331 (TV_PCH_CPP_SAVE): Define.
332 (TV_PCH_PTR_REALLOC): Define.
333 (TV_PCH_PTR_SORT): Define.
334 (TV_PCH_RESTORE): Define.
335 (TV_PCH_CPP_RESTORE): Define.
337 2010-04-13 Michael Matz <matz@suse.de>
339 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
341 (can_reassociate_p): New function.
342 (break_up_subtract_bb, reassociate_bb): Use it.
344 2010-04-13 Richard Guenther <rguenther@suse.de>
347 * builtins.c (c_readstr): Fix assert.
349 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
351 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
352 when generating cltd insn.
354 (*ashl<mode>3_1): Remove special handling for register operand 2.
355 (*ashlsi3_1_zext): Ditto.
357 (*ashlhi3_1_lea): Ditto.
359 (*ashlqi3_1_lea): Ditto.
360 (*<shiftrt_insn><mode>3_1): Ditto.
361 (*<shiftrt_insn>si3_1_zext): Ditto.
362 (*<shiftrt_insn>qi3_1_slp): Ditto.
363 (*<rotate_insn><mode>3_1): Ditto.
364 (*<rotate_insn>si3_1_zext): Ditto.
365 (*<rotate_insn>qi3_1_slp): Ditto.
367 2010-04-13 Richard Guenther <rguenther@suse.de>
369 * tree-ssa-structalias.c (callused_id): Remove.
370 (call_stmt_vars): New.
371 (get_call_vi): Likewise.
372 (lookup_call_use_vi): Likewise.
373 (lookup_call_clobber_vi): Likewise.
374 (get_call_use_vi): Likewise.
375 (get_call_clobber_vi): Likewise.
376 (make_transitive_closure_constraints): Likewise.
377 (handle_const_call): Adjust to do per-call call-used handling.
378 (handle_pure_call): Likewise.
379 (find_what_var_points_to): Remove general callused handling.
380 (init_base_vars): Likewise.
381 (init_alias_vars): Initialize call_stmt_vars.
382 (compute_points_to_sets): Process call-used and call-clobbered
383 vars for call statements.
384 (delete_points_to_sets): Free call_stmt_vars.
386 2010-04-13 Richard Guenther <rguenther@suse.de>
388 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
389 Only add RW dependence for dependence distance zero.
390 Adjust maximal vectorization factor according to dependences.
391 Move alignment handling ...
392 (vect_find_same_alignment_drs): ... here. New function.
393 (vect_analyze_data_ref_dependences): Adjust.
394 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
395 (vect_analyze_data_refs): Adjust minimal vectorization factor
396 according to data references.
397 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
398 dependences before determining the vectorization factor.
399 Analyze alignment after determining the vectorization factor.
400 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
401 dependences before alignment.
402 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
404 (vect_analyze_data_refs): Likewise.
405 (MAX_VECTORIZATION_FACTOR): New define.
407 2010-04-13 Duncan Sands <baldrick@free.fr>
409 * except.h (lang_eh_type_covers): Remove.
410 * except.c (lang_eh_type_covers): Likewise.
412 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
413 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
415 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
416 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
417 UNITS_PER_LONG where it is ABI relevant.
418 (s390_return_addr_rtx): Likewise.
419 (s390_back_chain_rtx): Likewise.
420 (s390_frame_area): Likewise.
421 (s390_frame_info): Likewise.
422 (s390_initial_elimination_offset): Likewise.
423 (save_gprs): Likewise.
424 (s390_emit_prologue): Likewise.
425 (s390_emit_epilogue): Likewise.
426 (s390_function_arg_advance): Likewise.
427 (s390_function_arg): Likewise.
428 (s390_va_start): Likewise.
429 (s390_gimplify_va_arg): Likewise.
430 (s390_function_profiler): Likewise.
431 (s390_optimize_prologue): Likewise.
432 (s390_rtx_costs): Likewise.
433 (s390_secondary_reload): Likewise.
434 (s390_promote_function_mode): Likewise.
435 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
436 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
438 (s390_unwind_word_mode): New function.
439 (s390_function_value): Split 64 bit values into register pair if
440 used as return value.
441 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
442 function call parameters. Handle parallels.
443 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
444 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
445 (DWARF_CIE_DATA_ALIGNMENT): New macro.
446 (s390_expand_setmem): Remove unused variable src_addr.
447 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
448 deal with 64 bit registers.
449 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
450 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
451 (UNITS_PER_LONG): New macro.
452 * libjava/include/s390-signal.h: Define extended ucontext
453 structure containing the upper halfs of the 64 bit registers.
455 2010-04-13 Simon Baldwin <simonb@google.com>
457 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
459 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
461 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
462 rvalue on the RHS if the LHS is of a non-renamable type.
463 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
465 2010-04-13 Matthias Klose <doko@ubuntu.com>
467 * gcc.c (cc1_options): Handle -iplugindir before processing
468 the cc1 spec. Only add -iplugindir once.
469 (cpp_unique_options): Add -iplugindir option if -fplugin* options
471 * common.opt (iplugindir): Remove `Separate' property, initialize.
472 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
474 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
475 (distclean): Remove plugin dir.
476 * doc/invoke.texi: Document -iplugindir.
478 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
480 * doc/plugins.texi (Loading Plugins): Document short
482 (Plugin API): Mention default_plugin_dir_name function.
484 * gcc.c (find_file_spec_function): Add new declaration.
485 (static_spec_func): Use it for "find-file".
486 (find_file_spec_function): Add new function.
487 (cc1_options): Add -iplugindir option if -fplugin* options found.
489 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
491 * plugin.c (add_new_plugin): Updated comment, and handle short
493 (default_plugin_dir_name): Added new function.
495 * common.opt (iplugindir): New option to set the plugin directory.
497 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
499 * config/i386/i386.md (any_rotate): New code iterator.
500 (rotate_insn): New code attribute.
502 (SWIM124): New mode iterator.
503 (<rotate_insn>ti3): New expander.
504 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
505 any_rotate code iterator.
506 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
507 using any_rotate code iterator and SWIM124 mode iterator.
508 (ix86_rotlti3): New insn_and_split pattern.
509 (ix86_rotrti3): Ditto.
510 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
511 ix86_rotl{di,ti}3 patterns.
512 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
513 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
514 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
515 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
516 code iterator and SWI mode iterator.
517 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
518 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
520 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
521 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
522 (bswap rotatert splitter): Add splitter.
523 (bswap splitter): Macroize splitter using any_rotate code iterator.
524 Add insn predicate to split only for TARGET_USE_XCHGB or when
525 optimizing function for size.
527 2010-04-12 Steve Ellcey <sje@cup.hp.com>
529 * config/pa/pa.c (emit_move_sequence): Remove use of
530 deleted variable flag_argument_noalias.
532 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
534 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
536 Add to unsupported targets list.
537 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
538 sparc*-sun-solaris2.[567]* from target lists.
539 * configure: Regenerate.
540 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
542 Remove Solaris 7 patch references.
543 (Specific, sparc-sun-solaris2.7): Removed.
544 (sparc-sun-solaris2*): Update Solaris 7 example.
545 (sparc64-*-solaris2*): Likewise.
547 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
549 * config.build (alpha*-dec-osf4*): Remove.
550 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
551 of obsolete configurations.
552 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
554 * config/alpha/t-osf4: Renamed to ...
555 * config/alpha/t-osf5: ... this.
556 * config/alpha/osf.h: Renamed to ...
557 * config/alpha/osf5.h: ... this.
558 Merged old osf5.h contents.
560 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
561 (EXTRA_SPECS): Removed.
562 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
563 reflect removal of Tru64 UNIX V4.0/V5.0 support.
566 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
568 * doc/contrib.texi (Contributors, Rainer Orth): Update.
570 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
573 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
574 __thiscall convention.
576 2010-04-12 Steve Ellcey <sje@cup.hp.com>
578 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
580 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
582 2010-04-12 Steve Ellcey <sje@cup.hp.com>
584 * function.c (assign_parms_initialize_all): Add unused attribute
587 2010-04-12 Richard Guenther <rguenther@suse.de>
589 * gsstruct.def (GSS_CALL): New.
590 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
591 * gimple.h: Include tree-ssa-alias.h.
592 (struct gimple_statement_call): New.
593 (union gimple_statement_struct_d): Add gimple_call member.
594 (gimple_call_reset_alias_info): Declare.
595 (gimple_call_use_set): New function.
596 (gimple_call_clobber_set): Likewise.
597 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
598 * gimple.c (gimple_call_reset_alias_info): New function.
599 (gimple_build_call_1): Call it.
600 * lto-streamer-in.c (input_gimple_stmt): Likewise.
601 * tree-inline.c (remap_gimple_stmt): Likewise.
602 (expand_call_inline): Remove callused handling.
603 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
604 * tree-dfa.c (dump_variable): Likewise.
605 * tree-parloops.c (parallelize_loops): Likewise.
606 * tree-ssa.c (init_tree_ssa): Likewise.
607 (delete_tree_ssa): Likewise.
608 * tree-flow-inline.h (is_call_used): Remove.
609 * tree-flow.h (struct gimple_df): Remove callused member.
610 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
611 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
612 (ref_maybe_used_by_call_p_1): Simplify.
613 (call_may_clobber_ref_p_1): Likewise.
614 * tree-ssa-structalias.c (compute_points_to_sets): Set
615 the call stmt used and clobbered sets.
616 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
617 (find_tail_calls): Verify the tail call.
619 2010-04-12 Richard Guenther <rguenther@suse.de>
621 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
622 single-iteration always-inline inlining.
623 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
624 (cgraph_decide_inlining): Do not handle always-inline specially.
625 (try_inline): Remove always-inline cycle detection special case.
626 Do not recurse on always-inlines.
627 (cgraph_early_inlining): Do not iterate if not optimizing.
628 (cgraph_gate_early_inlining): remove.
629 (pass_early_inline): Run unconditionally.
630 (gate_cgraph_decide_inlining): New function.
631 (pass_ipa_inline): Use it. Do not run the IPA inliner if
632 not inlining or optimizing.
633 (cgraph_decide_inlining_of_small_functions): Also consider
634 always-inline functions.
635 (cgraph_default_inline_p): Return true for nodes which should
636 disregard inline limits.
637 (estimate_function_body_sizes): Assume zero size and time for
638 nodes which are marked as disregarding inline limits.
639 (cgraph_decide_recursive_inlining): Do not perform recursive
640 inlining on always-inline nodes.
642 2010-04-12 Jakub Jelinek <jakub@redhat.com>
645 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
646 for exprs satisfying handled_component_p.
648 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
650 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
651 non-constant aggregate elements.
653 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
654 is a real initialization.
656 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
659 * c-decl.c (start_function): Move forward check for nested function.
661 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
663 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
664 * config/sh/sh.c: Include reload.h.
665 (sh_legitimize_reload_address): New.
666 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
667 sh_legitimize_reload_address.
669 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
671 * config/sh/sh.md (*movqi_pop): New insn pattern.
672 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
674 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
676 * config/i386/i386.md (any_shiftrt): New code iterator.
677 (shiftrt_insn): New code attribute.
679 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
680 using any_shiftrt code iterator.
681 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
682 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
683 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
684 pattern from corresponding peephole2 patterns.
685 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
686 using any_shiftrt code iterator.
687 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
688 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
689 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
690 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
691 *{ashr,lshr}<mode>3_cmp_zext.
692 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
694 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
696 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
698 (*lshr<mode>3_cconly): Ditto.
700 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
702 * config/i386/i386.md (lshr<mode>3): Macroize expander from
703 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
704 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
705 pattern from *lshr{di,ti}3_1 and corresponding splitters using
707 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
708 from corresponding peephole2 patterns.
709 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
710 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
711 and *lshrdi3_1_rex64 using SWI mode iterator.
712 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
713 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
714 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
715 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
716 and *lshrdi3_cmp_rex64 using SWI mode iterator.
717 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
718 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
719 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
720 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
723 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
725 * config/i386/i386.md (ashr<mode>3): Macroize expander from
726 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
727 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
728 pattern from *ashr{di,ti}3_1 and corresponding splitters using
730 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
731 from corresponding peephole2 patterns.
732 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
733 (ashrsi3_cvt): Rename from ashrsi3_31.
734 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
735 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
736 and x86_64_shift_adj_3 using SWI48 mode iterator.
737 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
738 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
739 and *ashrdi3_1_rex64 using SWI mode iterator.
740 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
741 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
742 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
743 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
744 and *ashrdi3_cmp_rex64 using SWI mode iterator.
745 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
746 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
747 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
748 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
750 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
751 * config/i386/i386.c (ix86_split_ashr): Update for renamed
752 x86_shift<mode>_adj_3 expanders.
754 2010-04-10 Wei Guozhi <carrot@google.com>
757 * config/arm/arm.c (arm_pic_static_addr): New function.
758 (legitimize_pic_address): Call arm_pic_static_addr when it detects
760 (arm_output_addr_const_extra): Output expression for new pattern.
761 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
763 2010-04-10 Bernd Schmidt <bernd.schmidt@codesourcery.com>
765 * ira-costs.c (record_reg_classes): Ignore alternatives that are
768 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
769 * web.c: Include "insn-config.h" and "recog.h".
770 (union_match_dups): New function.
772 (union_defs): Don't try to recognize match_dups.
774 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
775 if doing so would replace the entire pattern.
777 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
781 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
782 and splitter pattern. Change splitter operand 1 predicate to
785 2010-04-09 Martin Jambor <mjambor@suse.cz>
787 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
788 lattices are addresses of CONST_DECLs with the same initial value.
789 (ipcp_print_all_lattices): Print values of CONST_DECLs.
790 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
792 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
793 Bernd Schmidt <bernd.schmidt@codesourcery.com>
795 * loop-invariant.c (replace_uses): New static function.
796 (move_invariant_reg): Use it to ensure we can replace the uses.
798 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
800 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
802 (picochip_override_options): Enable section anchors only above -O1.
803 (picochip_reorg): Fixed a couple of build warnings.
805 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
807 * configure.ac (plugin -rdynamic test): Log result.
808 * configure: Regenerate.
809 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
810 (RDYNAMIC_SPEC): Define.
811 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
813 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
815 * configure.ac: Determine Sun ld version numbers.
816 (comdat_group): Restrict GNU ld version checks to gld.
817 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
818 (enable_comdat): Support --enable-comdat.
819 * configure: Regenerate.
820 * doc/install.texi (Configuration): Document --enable-comdat.
822 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
824 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
825 * config/sol2-gld.h: ... here.
826 * config.gcc (sparc*-*-solaris2*): Reflect this.
827 (i[34567]86-*-solaris2*): Use it.
829 2010-04-09 Steve Ellcey <sje@cup.hp.com>
831 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
833 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
835 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
838 * diagnostic.c (diagnostic_initialize): Initialize
839 some_warnings_are_errors.
840 (diagnostic_finish): New.
841 (diagnostic_action_after_output): Call it before exiting.
842 (diagnostic_report_diagnostic): Do not print message here. Set
843 some_warnings_are_errors.
844 * diagnostic.h (diagnostic_context): Delete
845 issue_warnings_are_errors_message. Add some_warnings_are_errors.
846 (diagnostic_finish): Declare.
847 * toplev.c (toplev_main): Call it before exit.
849 2010-04-09 Jason Merrill <jason@redhat.com>
852 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
856 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
857 based on a warning flag.
859 2010-04-09 Richard Guenther <rguenther@suse.de>
861 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
863 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
866 * varasm.c (default_assemble_visibility): Wrap vars that are
867 set, but unused, by targets without GAS.
868 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
869 Remove set, but unused, vars.
870 (rs6000_legitimize_tls_address): Likewise.
871 (altivec_expand_dst_builtin): Likewise.
872 * config/darwin.c (machopic_classify_symbol): Likewise.
873 (machopic_indirection_name): Likewise.
875 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
877 * config/i386/i386.md (DWI): New mode iterator.
878 (S): New mode attribute.
879 (shift_operand): Ditto.
880 (shift_immediate_operand): Ditto.
881 (ashl_input_operand): Ditto.
882 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
883 using SDWIM mode iterator.
884 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
885 pattern from *ashl{di,ti}3_1 and corresponding splitters using
887 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
888 from corresponding peephole2 patterns.
889 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
890 and x86_64_shift_adj_1 using SWI48 mode iterator.
891 (x86_shift<mode>_adj_2): Ditto.
892 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
893 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
894 using SWI48 mode iterator.
895 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
896 *ashldi3_cmp_rex64 using SWI mode iterator.
897 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
898 *ashldi3_cconly_rex64 using SWI mode iterator.
899 * config/i386/i386.c (ix86_split_ashl): Update for renamed
900 x86_shift<mode>_adj_{1,2}.
901 (ix86_split_ashr): Ditto.
902 (ix86_split_lshr): Ditto.
904 2010-04-09 Richard Guenther <rguenther@suse.de>
906 * target.h (builtin_conversion): Pass in input and output types.
907 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
908 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
909 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
910 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
912 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
914 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
916 2010-04-09 Richard Guenther <rguenther@suse.de>
919 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
921 2010-04-09 Richard Guenther <rguenther@suse.de>
923 * tree-vectorizer.h (struct _stmt_vec_info): Document
924 that vectype is the type of the LHS.
925 (supportable_widening_operation, supportable_narrowing_operation):
926 Get both input and output vector types as arguments.
927 (vect_is_simple_use_1): Declare.
928 (get_same_sized_vectype): Likewise.
929 * tree-vect-loop.c (vect_determine_vectorization_factor):
930 Set STMT_VINFO_VECTYPE to the vector type of the def.
931 (vectorizable_reduction): Adjust.
932 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
933 Adjust. Specify the output vector type.
934 (vect_pattern_recog_1): Adjust.
935 * tree-vect-stmts.c (get_same_sized_vectype): New function.
936 (vectorizable_call): Adjust.
937 (vectorizable_conversion): Likewise.
938 (vectorizable_operation): Likewise.
939 (vectorizable_type_demotion): Likewise.
940 (vectorizable_type_promotion): Likewise.
941 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
943 (vect_is_simple_use_1): New function.
944 (supportable_widening_operation): Get both input and output
946 (supportable_narrowing_operation): Likewise.
947 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
949 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
951 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
952 __thiscall and _thiscall as predefined macros.
953 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
954 thiscall attribute handling.
955 (ix86_comp_type_attributes): Likewise.
956 (ix86_function_regparm): Likewise.
957 (ix86_return_pops_args): Likewise.
958 (init_cumulative_args): Likewise.
959 (find_drap_reg): Likewise.
960 (ix86_static_chain): Likewise.
961 (x86_this_parameter): Likewise.
962 (x86_output_mi_thunk): Likewise.
963 (ix86_attribute_table): Add description for thiscall attribute.
964 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
965 * doc/extend.texi: Add documentation for thiscall.
967 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
970 * c.opt (Wint-to-pointer-cast): Available in C++.
971 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
973 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
975 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
976 * calls.c (expand_call): Pass the function type to aggregate_value_p.
977 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
978 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
979 function type instead. Reorder and simplify checks.
981 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
983 2010-04-08 Jing Yu <jingyu@google.com>
984 Zdenek Dvorak <ook@ucw.cz>
986 PR tree-optimization/42720
987 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
988 loop unswitch conditions here from ...
989 (tree_unswitch_single_loop): ... here.
991 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
993 * tree-if-conv.c: Fix comments and simplify logic.
995 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
997 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
998 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
999 (main_tree_if_conversion): Update call to tree_if_conversion.
1001 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
1004 * doc/invoke.texi (-b,-V): Delete.
1005 * doc/tm.texi: Do not mention -b.
1006 * gcc.c (display_help): Delete -b and -V.
1007 (process_command): Delete -b and -V.
1008 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
1010 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
1011 Wolfgang Gellerich <gellerich@de.ibm.com>
1013 Implement target hook for loop unrolling
1014 * target.h (loop_unroll_adjust): Add a new target hook function.
1015 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
1016 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
1017 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
1018 (s390_loop_unroll_adjust): Implement the new target hook for s390.
1019 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
1021 (decide_unroll_stupid): Likewise.
1023 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1026 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
1028 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1030 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
1031 (Specific, *-*-solaris2*): Likewise.
1032 Don't prefer Sun as over GNU as.
1034 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
1036 * config/s390/s390.c (override_options): Adjust the z10
1037 defaults for max-unroll-times, max-completely-peeled-insns
1038 and max-completely-peel-times.
1040 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1042 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
1043 instructions for z10.
1044 (s390_expand_setmem): Likewise.
1045 (s390_expand_cmpmem): Likewise.
1047 2010-04-08 Richard Guenther <rguenther@suse.de>
1049 PR tree-optimization/43679
1050 * tree-ssa-pre.c (eliminate): Only propagate copies.
1052 2010-04-08 Jakub Jelinek <jakub@redhat.com>
1055 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
1056 set but not used variable warning.
1058 2010-04-08 Wei Guozhi <carrot@google.com>
1061 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
1062 (arm_size_rtx_costs): Call the new function when optimized for size.
1064 2010-04-08 Jakub Jelinek <jakub@redhat.com>
1067 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
1068 op0 is not a MEM, just return NULL instead of assertion
1070 (discover_nonconstant_array_refs): Don't walk debug stmts.
1072 2010-04-08 Doug Kwan <dougkwan@google.com>
1074 * configure.ac: Recognize gold and do not use its version number
1075 to test ld features.
1076 * configure: Regenerate.
1078 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
1081 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
1082 (negate_value): Move code to push elements to broken_up_substracts ...
1083 (eliminate_plus_minus_pair): ... here. Push operands that have no
1084 negative pair to plus_negates.
1085 (repropagate_negates, init_reassoc, fini_reassoc): Update.
1087 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1089 * doc/install.texi (Configuration): Move description of
1090 --enable-lto, --with-libelf*, --enable-gold from Java section to
1093 * doc/generic.texi (Working with declarations)
1094 (Function Properties, C and C++ Trees): Fix typos.
1095 * doc/sourcebuild.texi (Top Level): Likewise.
1097 2010-04-07 Jakub Jelinek <jakub@redhat.com>
1100 * tree.h (DECL_READ_P): Define.
1101 (struct tree_decl_common): Add decl_read_flag.
1102 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
1103 a set but not used warning.
1104 (merge_decls): Merge DECL_READ_P flag.
1105 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
1106 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
1107 * c-common.c (handle_used_attribute, handle_unused_attribute):
1109 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
1111 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
1113 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
1114 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
1115 c_parser_binary_expression, c_parser_cast_expression,
1116 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
1117 Call default_function_array_read_conversion instead of
1118 default_function_array_conversion where needed.
1119 (c_parser_unary_expression, c_parser_conditional_expression,
1120 c_parser_postfix_expression_after_primary, c_parser_initelt):
1121 Likewise. Call mark_exp_read where needed.
1122 (c_parser_statement_after_labels, c_parser_asm_operands,
1123 c_parser_typeof_specifier, c_parser_sizeof_expression,
1124 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
1126 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
1128 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
1129 (warn_unused_but_set_parameter): Default to warn_unused
1131 * doc/invoke.texi: Document -Wunused-but-set-variable and
1132 -Wunused-but-set-parameter.
1134 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
1135 used count variable.
1136 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
1137 when operandN variables aren't used in the body of the expander
1139 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
1140 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
1141 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
1142 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
1143 FOR_EACH_IMM_USE_ON_STMT): Likewise.
1144 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
1145 * tree.c (PROCESS_ARG): Likewise.
1147 2010-04-07 Simon Baldwin <simonb@google.com>
1149 * diagnostic.h (diagnostic_override_option_index): New macro to
1150 set a diagnostic's option_index.
1151 * c-tree.h (c_cpp_error): Add warning reason argument.
1152 * opts.c (_warning_as_error_callback): New.
1153 (register_warning_as_error_callback): Store callback for
1154 warnings enabled via enable_warning_as_error.
1155 (enable_warning_as_error): Call callback, minor code tidy.
1156 * opts.h (register_warning_as_error_callback): Declare.
1157 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
1158 response to -Werror=.
1159 (c_common_init_options): Register warning_as_error_callback in opts.c.
1160 * common.opt: Add -Wno-cpp option.
1161 * c-common.c (struct reason_option_codes_t): Map cpp warning
1162 reason codes to gcc option indexes.
1163 * (c_option_controlling_cpp_error): New function, lookup the gcc
1164 option index for a cpp warning reason code.
1165 * (c_cpp_error): Add warning reason argument, call
1166 c_option_controlling_cpp_error for diagnostic_override_option_index.
1167 * doc/invoke.texi: Document -Wno-cpp.
1169 2010-04-07 Richard Guenther <rguenther@suse.de>
1171 * ipa-reference.c (mark_load): Use get_base_address.
1172 (mark_store): Likewise.
1174 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
1175 inserting GIMPLE_NOPs into the IL.
1176 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1177 Explicitly strip handled components and indirect references.
1179 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
1180 folding address expressions.
1181 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
1182 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
1183 operand_equal_p to compare decls.
1184 (ptr_deref_may_alias_decl_p): Likewise.
1185 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
1186 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
1187 Handle reversed comparison ops.
1188 * tree-sra.c (asm_visit_addr): Use get_base_address.
1189 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
1190 * ipa-reference.c (mark_address): Use get_base_address.
1192 2010-04-07 Richard Guenther <rguenther@suse.de>
1194 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
1195 Propagate constants everywhere.
1197 2010-04-07 Jakub Jelinek <jakub@redhat.com>
1200 * tree.c (MAX_INT_CACHED_PREC): Define.
1201 (nonstandard_integer_type_cache): New array.
1202 (build_nonstandard_integer_type): Cache results for precision
1203 <= MAX_INT_CACHED_PREC.
1205 2010-04-07 Richard Guenther <rguenther@suse.de>
1207 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
1208 -fargument-noalias-global, -fargument-noalias-anything): Remove.
1209 * common.opt: Likewise.
1210 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
1211 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
1212 (nonoverlapping_memrefs_p): Likewise.
1213 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1214 * opts.c (common_handle_option): Handle OPT_fargument_alias,
1215 OPT_fargument_noalias, OPT_fargument_noalias_anything and
1216 OPT_fargument_noalias_global for backward compatibility.
1218 2010-04-07 Richard Guenther <rguenther@suse.de>
1220 PR tree-optimization/43270
1221 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
1222 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
1223 * tree-ssa-pre.c (phi_translate_1): Adjust.
1224 (fully_constant_expression): Split out vn_reference handling to ...
1225 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
1226 Fold reads from constant strings.
1227 (vn_reference_lookup): Handle fully constant references.
1228 (vn_reference_lookup_pieces): Likewise.
1229 * Makefile.in (expmed.o-warn): Add -Wno-error.
1231 2010-04-07 Martin Jambor <mjambor@suse.cz>
1233 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
1235 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
1238 * gcc.c: Add -static-libstdc++ to list of recognized options.
1240 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1242 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
1244 2010-04-07 Richard Guenther <rguenther@suse.de>
1247 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
1248 bases build simple mem attributes to retain points-to information.
1250 2010-04-07 Richard Guenther <rguenther@suse.de>
1253 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
1254 preserve points-to related information.
1256 2010-04-07 Richard Guenther <rguenther@suse.de>
1259 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
1260 discard plain indirect references.
1261 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
1262 * tree.c (tree_nop_conversion): Likewise.
1264 2010-04-07 Dodji Seketeli <dodji@redhat.com>
1267 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
1269 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
1271 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
1272 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
1274 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1276 * tree-if-conv.c: Fix indentation and comments.
1278 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1280 * tree-if-conv.c: Sort static functions in topological order.
1282 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1284 * tree-if-conv.c: Fix indentation and comments.
1286 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1289 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1290 lang_hooks.types.type_for_size instead of
1291 build_nonstandard_integer_type.
1292 When converting an unsigned type to signed, double its precision.
1293 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
1294 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
1295 (graphite_create_new_loop_guard): When ub + 1 wraps around,
1298 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1301 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1302 POINTER_PLUS_EXPR for pointer types.
1304 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1307 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
1308 * graphite-clast-to-gimple.c: Include langhooks.h.
1309 (max_signed_precision_type): New.
1310 (max_precision_type): Takes two types as arguments.
1311 (precision_for_value): New.
1312 (precision_for_interval): New.
1313 (gcc_type_for_interval): New.
1314 (gcc_type_for_value): New.
1315 (gcc_type_for_clast_term): New.
1316 (gcc_type_for_clast_red): New.
1317 (gcc_type_for_clast_bin): New.
1318 (gcc_type_for_clast_expr): Split up into several functions.
1319 (gcc_type_for_clast_eq): Rewritten.
1320 (compute_bounds_for_level): New.
1321 (compute_type_for_level_1): New.
1322 (compute_type_for_level): New.
1323 (gcc_type_for_cloog_iv): Removed.
1324 (gcc_type_for_iv_of_clast_loop): Rewritten.
1325 (graphite_create_new_loop): Compute the lower and upper bound types
1326 with gcc_type_for_clast_expr.
1327 (graphite_create_new_loop_guard): Same.
1328 (find_cloog_iv_in_expr): Removed.
1329 (compute_cloog_iv_types_1): Removed.
1330 (compute_cloog_iv_types): Removed.
1331 (gloog): Do not call compute_cloog_iv_types.
1332 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
1334 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
1335 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
1336 (GBB_CLOOG_IV_TYPES): Removed.
1338 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1340 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
1341 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
1342 (detect_commutative_reduction): Same.
1344 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1346 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
1347 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
1349 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
1350 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
1351 (rewrite_commutative_reductions_out_of_ssa): Same.
1352 * passes.c (execute_function_todo): Call verify_ssa for every pass
1353 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
1354 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
1355 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
1356 with an extra argument.
1357 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
1358 verify_ssa only when the extra argument is true.
1359 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
1360 with an extra argument.
1361 (tree_transform_and_unroll_loop): Same.
1363 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1365 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
1366 for all the passes of the LNO having LOOP_CLOSED_SSA.
1367 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
1368 * tree-loop-distribution.c (pass_loop_distribution): Same.
1369 * tree-pass.h (TODO_verify_loops): Removed.
1370 * tree-ssa-loop.c (pass_tree_loop_init): Same.
1372 (pass_tree_unswitch): Same.
1373 (pass_predcom): Same.
1374 (pass_vectorize): Same.
1375 (pass_linear_transform): Same.
1376 (pass_graphite_transforms): Same.
1377 (pass_iv_canon): Same.
1378 (pass_complete_unroll): Same.
1379 (pass_complete_unrolli): Same.
1380 (pass_parallelize_loops): Same.
1381 (pass_loop_prefetch): Same.
1382 (pass_iv_optimize): Same.
1384 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
1387 * passes.c (init_optimization_passes): Move pass_lim before
1388 pass_copy_prop and pass_dce_loop.
1390 2010-04-06 Jakub Jelinek <jakub@redhat.com>
1393 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
1394 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
1395 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
1396 MULTI_* defines for 4 argument vpermil2p* builtins.
1398 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
1400 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
1401 * config/i386/i386.c (x86_maybe_negate_const_int): New.
1402 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
1403 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
1404 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
1405 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
1406 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
1407 Use x86_maybe_negate_const_int to output insn mnemonic.
1408 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
1409 check from instruction predicate. Update comments.
1410 * config/i386/sync.md (sync_add<mode>): Use
1411 x86_maybe_negate_const_int to output insn mnemonic.
1413 2010-04-06 Jan Hubicka <jh@suse.cz>
1415 PR tree-optimization/42906
1416 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
1417 IGNORE_SELF argument. Set visited_control_parents for fully
1419 (find_obviously_necessary_stmts): Update call of
1420 mark_control_dependent_edges_necessary.
1421 (propagate_necessity): Likewise. Handle PHI edges more curefully.
1423 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
1425 * config/i386/i386.md: Remove comment about 'e' and 'E'
1428 2010-04-06 Richard Guenther <rguenther@suse.de>
1430 PR tree-optimization/43627
1431 * tree-vrp.c (extract_range_from_unary_expr): Widenings
1432 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
1435 2010-04-06 Jakub Jelinek <jakub@redhat.com>
1437 * BASE-VER: Change to 4.6.0.
1440 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
1443 2010-04-06 Richard Guenther <rguenther@suse.de>
1446 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
1448 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1450 * doc/invoke.texi (Optimize Options): Document that LTO
1451 won't remove object access purely due to incompatible
1454 2010-04-04 Matthias Klose <doko@ubuntu.com>
1456 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
1457 Initialize variable.
1459 2010-04-03 Richard Guenther <rguenther@suse.de>
1462 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
1463 require a non-NULL MEM_OFFSET.
1465 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
1467 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
1468 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
1469 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
1470 config/alpha/predicates.md, config/arm/arm.md,
1471 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
1472 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
1473 config/darwin9.h, config/darwin.c, config/darwin.h,
1474 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
1475 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
1476 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
1477 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
1478 config/mips/mips.md, config/mn10300/mn10300.c,
1479 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
1480 config/rs6000/aix.h, config/rs6000/dfp.md,
1481 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
1482 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
1483 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
1484 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
1485 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
1486 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
1487 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
1488 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
1489 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
1490 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
1491 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
1492 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
1493 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
1494 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
1495 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
1496 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
1497 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
1498 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
1499 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
1500 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
1501 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
1502 opt-functions.awk, opth-gen.awk, params.def, passes.c,
1503 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
1504 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
1505 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
1506 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
1507 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
1508 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
1509 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
1510 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
1511 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
1512 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
1513 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
1514 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
1515 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
1516 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
1518 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1521 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
1522 * aclocal.m4: Regenerate.
1524 2010-04-02 Richard Guenther <rguenther@suse.de>
1526 PR tree-optimization/43629
1527 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
1528 if we have seen a constant value.
1530 2010-04-02 Joseph Myers <joseph@codesourcery.com>
1532 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
1534 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
1537 * arm.c (legitimize_tls_address): Adjust call to
1538 gen_tls_load_dot_plus_four.
1539 (arm_note_pic_base): New function.
1540 (arm_cannot_copy_insn_p): Use it.
1541 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
1544 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1549 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1551 * Makefile.in ($(out_object_file)): Depend on
1552 gt-$(basename $(notdir $(out_file))).h.
1554 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
1556 * config.gcc (lm32-*-rtems*): Add t-lm32.
1558 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
1560 * config.gcc: Add lm32-*-rtems*.
1561 * config/lm32/rtems.h: New file.
1563 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
1566 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
1568 2010-04-01 Jakub Jelinek <jakub@redhat.com>
1570 * dwarf2out.c (output_compilation_unit_header): For
1571 -gdwarf-4 use version 4 instead of version 3.
1572 (output_line_info): For version 4 and above emit additional
1573 maximum ops per insn header field.
1574 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
1576 * dwarf2out.c (is_c_family, is_java): Remove.
1577 (lower_bound_default): New function.
1578 (add_bound_info, gen_descr_array_type_die): Use it.
1580 2010-04-01 Dodji Seketeli <dodji@redhat.com>
1583 * dwarf2out.c (gen_variable_die): Allow debug info for variable
1584 re-declaration when it happens in a function.
1586 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
1588 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
1589 (cgraph_remove_function_insertion_hook): Same.
1590 (cgraph_call_function_insertion_hooks): Same.
1592 2010-04-01 Richard Guenther <rguenther@suse.de>
1595 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
1596 and TREE_THIS_VOLATILE.
1597 (copy_ref_info): Likewise.
1598 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
1599 * tree.c (build6_stat): Ignore side-effects of all but arg5
1600 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
1603 2010-04-01 Richard Guenther <rguenther@suse.de>
1605 PR tree-optimization/43607
1606 * ipa-type-escape.c (check_call): Do not access non-existing
1609 2010-04-01 Richard Guenther <rguenther@suse.de>
1613 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
1614 Jack Howarth <howarth@bromo.med.uc.edu>
1616 * tree-profile.c (tree_init_ic_make_global_vars): Make static
1619 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1621 * doc/install.texi (Prerequisites): Document libelf usability on
1622 IRIX 5/6 and Solaris 2.
1623 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
1624 Update GNU as, GNU ld requirements.
1625 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
1626 Document Sun Studio compiler download.
1627 Update and simplify as, ld recommendations.
1628 (Specific, *-*-solaris2.7): Note obsoletion, removal.
1630 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1632 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
1633 with_tune_32 to pentium4.
1635 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
1637 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
1639 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1641 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
1642 obsoletion, removal.
1644 Document GNU as requirement.
1645 Update configure requirements.
1646 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
1647 Recomment IRIX 6.5.18+.
1648 Document IDF/IDL requirement.
1649 Document GNU as requirement.
1650 Document GNU ld bootstrap failure.
1651 Remove freeware.sgi.com reference.
1653 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1655 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
1656 UNIX V4.0, V5.0 obsoletion, removal.
1657 Remove --with-gc=simple reference.
1658 Update VM requirements during bootstrap.
1659 Remove -oldas bootstrap description.
1660 Update binutils reference.
1661 Remove comparison failure note.
1663 2010-03-31 Richard Guenther <rguenther@suse.de>
1664 Zdenek Dvorak <ook@ucw.cz>
1665 Sebastian Pop <sebastian.pop@amd.com>
1668 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
1669 with multiple arguments.
1670 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
1672 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
1674 * graphite-dependences.c (print_pddr): Call print_pdr with an
1676 * graphite-poly.c (debug_pdr): Add an extra argument for the
1679 (print_pbb_domain): Same.
1681 (print_scop_context): Same.
1683 (print_cloog): Same.
1684 (debug_pbb_domain): Same.
1688 (debug_scop_context): Same.
1690 (debug_cloog): Same.
1691 (print_scop_params): Same.
1692 (debug_scop_params): Same.
1693 (print_iteration_domain): Same.
1694 (print_iteration_domains): Same.
1695 (debug_iteration_domain): Same.
1696 (debug_iteration_domains): Same.
1697 (print_scattering_function): Same.
1698 (print_scattering_functions): Same.
1699 (debug_scattering_function): Same.
1700 (debug_scattering_functions): Same.
1701 * graphite-poly.h (debug_pdr): Update declaration.
1703 (print_pbb_domain): Same.
1705 (print_scop_context): Same.
1707 (print_cloog): Same.
1708 (debug_pbb_domain): Same.
1712 (debug_scop_context): Same.
1714 (debug_cloog): Same.
1715 (print_scop_params): Same.
1716 (debug_scop_params): Same.
1717 (print_iteration_domain): Same.
1718 (print_iteration_domains): Same.
1719 (debug_iteration_domain): Same.
1720 (debug_iteration_domains): Same.
1721 (print_scattering_function): Same.
1722 (print_scattering_functions): Same.
1723 (debug_scattering_function): Same.
1724 (debug_scattering_functions): Same.
1726 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
1728 * graphite-poly.c (print_scattering_function_1): New.
1729 (print_scattering_function): Call it.
1730 (print_scop_params): Remove spaces at the end of lines.
1733 * graphite-poly.h (print_cloog): Declared.
1734 (debug_cloog): Declared.
1736 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
1738 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
1740 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
1741 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
1742 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
1743 to switch between adding the IV bump in loop->latch or in loop->header.
1745 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
1747 * graphite-poly.c (print_scattering_function): Pretty print following
1750 (print_pbb_domain): Same.
1751 (dump_gbb_cases): Same.
1752 (dump_gbb_conditions): Same.
1755 (print_scop_params): Same.
1756 (print_scop_context): Same.
1758 (print_pbb_body): New.
1759 (lst_indent_to): New.
1760 (print_lst): Start new lines with a #.
1761 * graphite-poly.h (pbb_bb): New.
1762 (pbb_index): Use pbb_bb.
1763 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
1765 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
1767 2010-03-31 Jakub Jelinek <jakub@redhat.com>
1769 * dwarf2out.c (size_of_die): For -gdwarf-4 use
1770 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
1771 and 0 instead of 1 for dw_val_class_flag.
1772 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
1773 dw_val_class_range_list, dw_val_class_loc_list,
1774 dw_val_class_lineptr and dw_val_class_macptr, use
1775 DW_FORM_flag_present for dw_val_class_flag and
1776 DW_FORM_exprloc for dw_val_class_loc.
1777 (output_die): For -gdwarf-4 print dw_val_class_loc
1778 size as uleb128 instead of 1 or 2 bytes and don't print
1779 anything for dw_val_class_flag.
1781 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
1782 instead of cselib_lookup following by tweaking locs->setting_insn.
1785 * cselib.c (cselib_process_insn): Clear cselib_current_insn
1786 even before returning from label, setjmp call or volatile asm
1789 2010-03-31 Richard Guenther <rguenther@suse.de>
1792 * cgraphunit.c (cgraph_output_in_order): Do not allocate
1793 temporary data on stack.
1795 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1797 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
1798 (PUSHSECTION_ASM_OP): Remove.
1799 (POPSECTION_ASM_OP): Remove.
1800 (PUSHSECTION_FORMAT): Remove.
1801 * config/sol2.h (PUSHSECTION_FORMAT): Define.
1802 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
1803 * config/sol2.c (solaris_output_init_fini): Use it.
1805 2010-03-31 Jie Zhang <jie@codesourcery.com>
1808 * opt-functions.awk (var_type_struct): Use signed char type
1809 for simple variables.
1811 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1813 * config/sol2.c: Include output.h.
1814 (solaris_assemble_visibility): New function.
1815 * config/t-sol2 (sol2.o): Add output.h dependency.
1816 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
1817 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
1820 2010-03-31 Jakub Jelinek <jakub@redhat.com>
1823 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
1824 V2SImode or XFmode on PRE_DEC.
1827 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
1830 2010-03-31 Jie Zhang <jie@codesourcery.com>
1833 * reload.h (caller_save_initialized_p): Declare.
1834 * toplev.c (backend_init_target): Don't call
1835 init_caller_save but set caller_save_initialized_p to false.
1836 * caller-save.c (caller_save_initialized_p): Define.
1837 (init_caller_save): Check caller_save_initialized_p.
1838 * ira.c (ira): Call init_caller_save if flag_caller_saves.
1840 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1843 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
1844 and soft-fp/t-softfp to tmake_file.
1845 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
1846 (LIBGCC2_TF_CEXT): Define.
1849 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
1852 * cselib.c (n_useless_values): Document handling of debug locs.
1853 (n_useless_debug_values, n_debug_values): New variables.
1854 (new_elt_loc_list): Don't add to debug values, keep count.
1855 (promote_debug_loc): New.
1856 (cselib_reset_table): Zero new variables.
1857 (entry_and_rtx_equal_p): Promote debug locs.
1858 (discard_useless_locs): Increment n_useless_debug_values for
1860 (remove_useless_values): Adjust n_useless_values and n_debug_values
1861 with n_useless_debug_values.
1862 (add_mem_for_addr): Promote debug locs.
1863 (cselib_lookup_mem): Likewise.
1864 (cselib_lookup_addr): Renamed to...
1865 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
1866 (cselib_log_lookup): ... this. Turn into...
1867 (cselib_lookup_addr): ... new wrapper.
1868 (cselib_lookup_from_insn): New.
1869 (cselib_invalidate_regno): Increment n_useless_debug_values for
1871 (cselib_invalidate_mem): Likewise.
1872 (cselib_process_insn): Take n_deleted and n_debug_values into
1873 account to guard remove_useless_value call.
1874 (cselib_finish): Zero n_useless_debug_values.
1875 * cselib.h (cselib_lookup_from_insn): Declare.
1876 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
1877 (sched_analyze_2): Likewise.
1879 2010-03-30 Jakub Jelinek <jakub@redhat.com>
1881 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
1883 (adjust_mems): Replace narrowing SUBREG of expression containing
1884 just PLUS, MINUS, MULT and ASHIFT of registers and constants
1885 with operations in the narrower mode.
1888 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
1889 regs_invalidated_by_call instead all call_used_reg_set registers.
1891 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
1894 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
1895 pointer comparisons with types_compatible_p.
1896 * tree-vect-stmts.c (vectorizable_call): Same.
1897 (vectorizable_condition): Same.
1899 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1901 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
1902 stack check if the mask would be zero.
1904 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
1905 Jack Howarth <howarth@bromo.med.uc.edu>
1907 * tree-profile.c (tree_init_ic_make_global_vars): Make static
1910 2010-03-30 Joseph Myers <joseph@codesourcery.com>
1913 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
1915 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
1916 Include ___unordxf2 and ___unordtf2.
1917 * config/i386/libgcc-glibc.ver: Do not define inheritance from
1920 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
1922 * config/lm32/t-lm32: New file.
1923 * config.gcc: Use the above file when targetting lm32.
1925 2010-03-28 Duncan Sands <baldrick@free.fr>
1927 * Makefile.in (PLUGIN_HEADERS): Add except.h.
1929 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
1932 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
1933 Improve vectorization cost model diagnostic.
1935 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
1938 * tree-vect-data-refs.c (vect_analyze_data_refs): When
1939 compute_data_dependences_for_loop returns false, early exit
1940 and output an extra diagnostic for the failed data reference
1943 2010-03-29 Richard Guenther <rguenther@suse.de>
1945 PR tree-optimization/43560
1946 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
1947 (can_sm_ref_p): Treat stores to readonly locations as trapping.
1949 2010-03-29 Jie Zhang <jie@codesourcery.com>
1952 * toplev.c (process_options): Set optimization_default_node
1953 and optimization_current_node.
1954 * opts.c (decode_options): Don't set optimization_default_node
1955 and optimization_current_node.
1957 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
1959 * config/rtems.h: Abandon -qrtems_debug.
1961 2010-03-28 Jan Hubicka <jh@suse.cz>
1963 PR tree-optimization/43505
1964 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
1965 map should not be copied.
1967 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1970 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
1971 cdtors, set DECL_PRESERVE_P.
1972 * ipa.c (cgraph_externally_visible_p): Return true if declaration
1975 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
1977 PR tree-optimization/43528
1978 * stor-layout.c (place_field): Check that constant fits into
1979 unsigned HWI when skipping calculation of MS bitfield layout.
1981 2010-03-27 Jan Hubicka <jh@suse.cz>
1984 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
1985 notice_global_symbol work.
1987 2010-03-27 Jakub Jelinek <jakub@redhat.com>
1989 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
1990 instead of dwarf2out_decl.
1991 (struct var_loc_node): Remove section_label field.
1992 (dwarf2out_function_decl): New function.
1993 (dwarf2out_var_location): Don't set section_label field.
1994 (dwarf2out_begin_function): Don't empty decl_loc_table here.
1996 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
1998 PR tree-optimization/43544
1999 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2000 First argument for builtin vectorized function hook is now a
2001 tree to be able to distinguish between machine specific and
2003 * targhooks.c (default_builtin_vectorized_function): Ditto.
2004 * targhooks.h (default_builtin_vectorized_function): Ditto.
2005 * target.h (struct gcc_target): Ditto.
2006 * tree-vect-stmts.c (vectorizable_function): Ditto.
2007 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
2008 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2011 2010-03-26 Joseph Myers <joseph@codesourcery.com>
2014 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
2015 nested binding iff it is a FUNCTION_DECL.
2016 (store_parm_decls_newstyle): Pass nested=true to bind for
2017 FUNCTION_DECLs amongst parameters.
2019 2010-03-26 Jakub Jelinek <jakub@redhat.com>
2021 * var-tracking.c (vt_expand_loc_callback): Don't run
2022 cselib_expand_value_rtx_cb in dummy mode if
2023 cselib_dummy_expand_value_rtx_cb returned false.
2025 * var-tracking.c (emit_note_insn_var_location): For one part
2026 notes with offset 0, don't add EXPR_LIST around the location.
2027 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
2028 add_location_or_const_value_attribute): Adjust for that change.
2031 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
2032 into first operand and location into second.
2033 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
2034 dw_cfi_oprnd_loc for DW_CFA_expression.
2035 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
2036 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
2037 assume first argument is regnum and second argument is location.
2039 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
2042 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
2043 of scratch register to DImode. Split to DImode comparison operator.
2044 Use SImode subreg of scratch register in the multiplication.
2045 (*cmp_sadd_sidi): Ditto.
2046 (*cmp_ssub_si): Ditto.
2047 (*cmp_ssub_sidi): Ditto.
2049 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
2052 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
2053 Remove invalid assert and wrong comment.
2055 2010-03-26 Jakub Jelinek <jakub@redhat.com>
2058 * flags.h (final_insns_dump_p): New extern.
2059 * final.c (final_insns_dump_p): New variable.
2060 (rest_of_clean_state): Set it before -fdump-final-insns=
2061 dumping, clear afterwards.
2062 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
2063 MEM_ALIAS_SET on MEMs.
2065 2010-03-26 David S. Miller <davem@davemloft.net>
2067 * configure.ac: Fix sparc GOTDATA_OP bug check.
2068 * configure: Rebuild.
2070 2010-03-26 Alan Modra <amodra@gmail.com>
2072 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
2074 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2076 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
2077 TLS_SECTION_ASM_FLAG.
2079 2010-03-25 Jakub Jelinek <jakub@redhat.com>
2082 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
2083 Clear first_function_block_is_cold.
2086 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
2087 argument if the argument is truth_value_p.
2089 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
2091 * config/rs6000/constraints.md: Update copyright year for my changes.
2094 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
2095 used in reg+reg addressing, swap registers.
2097 2010-03-24 Jakub Jelinek <jakub@redhat.com>
2100 * target.h (struct gcc_target): Add code_end hook.
2101 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
2103 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
2104 * toplev.c (compile_file): Call targetm.asm_out.code_end
2105 hook before unwind info/debug info output.
2106 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
2107 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
2108 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2109 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
2110 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2111 * config/i386/i386.c (ix86_file_end): Renamed to...
2112 (ix86_code_end): ... this. Make static. Don't call
2113 file_end_indicate_exec_stack. Emit unwind info using
2114 final_start_function/final_end_function.
2115 (darwin_x86_file_end): Remove.
2116 (TARGET_ASM_CODE_END): Define.
2117 * config/i386/i386.h (TARGET_ASM_FILE_END,
2118 NEED_INDICATE_EXEC_STACK): Don't define.
2119 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
2120 (TARGET_ASM_FILE_END): Define to darwin_file_end.
2121 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
2122 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
2125 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
2126 at the beginning and final_end_function at the end.
2127 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2129 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2131 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
2132 and Sun as TLS syntax.
2133 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
2134 * configure: Regenerate.
2135 * config.in: Regenerate.
2136 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
2137 (default_elf_asm_named_section): Use it.
2138 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
2139 (i386_output_dwarf_dtprel): Likewise.
2140 (output_addr_const_extra): Likewise.
2141 (output_pic_addr_const): Lowercase @GOTTPOFF.
2142 (output_addr_const_extra): Likewise.
2143 (output_pic_addr_const): Lowercase @GOTNTPOFF.
2144 (output_addr_const_extra): Likewise.
2145 (output_pic_addr_const): Lowercase @INDNTPOFF.
2146 (output_addr_const_extra): Likewise.
2147 (output_pic_addr_const): Lowercase @NTPOFF.
2148 (output_addr_const_extra): Likewise.
2149 (output_pic_addr_const): Lowercase @TPOFF.
2150 (output_addr_const_extra): Likewise.
2151 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
2152 (*tls_global_dynamic_64): Likewise.
2153 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
2154 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
2156 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
2157 (ASM_OUTPUT_TLS_COMMON): Use it.
2158 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
2161 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
2162 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
2163 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
2164 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
2165 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2166 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
2168 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2170 * config/i386/i386.c (override_options): Don't accept
2171 -mtls-dialect=sun any longer.
2172 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
2173 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
2174 (*tls_local_dynamic_base_32_sun): Likewise.
2175 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2177 2010-03-24 Jakub Jelinek <jakub@redhat.com>
2180 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
2181 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
2184 * ira.c (adjust_cleared_regs): New function.
2185 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
2189 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
2191 * expr.c (expand_expr_real): Restore previous
2192 curr_insn_source_location and curr_insn_block after
2193 expand_expr_real_1 call.
2194 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
2195 instead of expand_expr_real_1.
2197 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
2199 PR rtl-optimization/43413
2200 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
2203 2010-03-22 James E. Wilson <wilson@codesourcery.com>
2206 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
2207 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
2209 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
2211 * config/i386/i386.c (ix86_target_string): Add -mfma.
2212 Fix a typo in comment.
2214 2010-03-22 Mike Stump <mikestump@comcast.net>
2217 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2218 Don't overly align based upon packed packed fields.
2220 2010-03-22 Jason Merrill <jason@redhat.com>
2222 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
2223 Use () rather than [], and move before the element type.
2225 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2227 * doc/configfiles.texi (Configuration Files): Removed
2228 fixinc/Makefile*, intl/Makefile.*.
2229 * doc/makefile.texi: Fixed markup. Abstract from version
2230 control system used.
2231 (Makefile): Removed obsolete gcc/java/parse.y example.
2232 * doc/sourcebuild.texi: Likewise.
2233 (Top Level): Added config, gnattools, libdecnumber, libgcc,
2234 libgomp, libssp. Removed fastjar.
2235 (Miscellaneous Docs): Clarify location.
2236 Added COPYING3, COPYING3.LIB.
2237 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
2239 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2242 * config/i386/i386.c (x86_function_profiler)
2243 [!NO_PROFILE_COUNTERS]: Fix typo.
2244 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
2247 2010-03-22 Janis Johnson <janis187@us.ibm.com>
2248 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2250 * doc/sourcebuild.texi (Test Directives): Split into six
2251 subsections, with most of the current text in new subsections
2252 Directives, Selectors, and Final Actions.
2253 (Directives): Split list of test directives into multiple
2255 (Selectors): Describe use and syntax of selectors.
2256 (Effective-Target Keywords): Describe all existing keywords.
2257 (Add Options): Describe features for dg-add-options.
2258 (Require Support): Describe variants of dg-require-support.
2259 (Final Actions): Describe commands to use in dg-final.
2261 2010-03-22 Michael Matz <matz@suse.de>
2264 * recog.c (validate_replace_rtx_group): Replace also in
2265 REG_EQUAL and REG_EQUIV notes.
2267 2010-03-22 Richard Guenther <rguenther@suse.de>
2269 PR tree-optimization/43390
2270 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
2271 sure vector extracts are type correct.
2273 2010-03-22 Richard Guenther <rguenther@suse.de>
2276 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
2277 x * sqrt (x) even when optimizing for size if the target
2278 has native support for sqrt.
2280 2010-03-22 Jakub Jelinek <jakub@redhat.com>
2282 * varasm.c (make_decl_rtl_for_debug): Also clear
2283 flag_mudflap for the duration of make_decl_rtl call.
2286 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
2287 locs from preserved VALUEs.
2289 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2292 * pa.md (movmemsi): Set align to one if zero.
2293 (movmemdi): Likewise.
2295 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
2298 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
2299 with their corresponding prologue pushes.
2301 2010-03-20 Andrew Pinski <pinskia@gmail.com>
2304 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
2305 at the begining or end.
2306 (spu_expand_epilogue): Likewise.
2308 2010-03-20 Richard Guenther <rguenther@suse.de>
2310 PR rtl-optimization/43438
2311 * combine.c (make_extraction): Properly zero-/sign-extend an
2312 extraction of the low part of a CONST_INT. Also handle
2315 2010-03-19 Mike Stump <mikestump@comcast.net>
2317 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
2318 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
2319 (override_options): Use SUBTARGET32_DEFAULT_CPU.
2321 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
2324 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
2327 2010-03-19 Bernd Schmidt <bernd.schmidt@codesourcery.com>
2329 PR rtl-optimization/42258
2330 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
2331 use that may match DEF.
2334 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
2335 the cost of loading the constant rather than assuming
2337 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
2338 outer code is AND, do the same tests as the andsi3 expander and
2339 return COSTS_N_INSNS (1) if and is cheap.
2341 * optabs.c (avoid_expensive_constant): Fix formatting.
2343 2010-03-19 Michael Matz <matz@suse.de>
2346 * attribs.c (decl_attributes): When rebuilding a function pointer
2347 type use the same qualifiers as the original pointer type.
2349 2010-03-19 Martin Jambor <mjambor@suse.cz>
2351 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
2352 and is_gimple_ip_invariant_address.
2354 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2357 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2359 * config/arm/arm.c (arm_override_options): Turn off
2360 flag_dwarf2_cfi_asm for AAPCS variants.
2362 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2365 * config/arm/arm.c (emit_multi_reg_push): Update comments.
2366 Use PRE_MODIFY instead of PRE_DEC.
2367 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
2368 (vfp_emit_fstmd): Likewise.
2370 2010-03-19 Michael Matz <matz@suse.de>
2373 * builtins.c (expand_builtin_interclass_mathfn,
2374 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
2377 2010-03-19 Richard Guenther <rguenther@suse.de>
2379 PR tree-optimization/43415
2380 * tree-ssa-pre.c (phi_translate): Split out worker to ...
2381 (phi_translate_1): ... this.
2382 (phi_translate): Move all caching here. Cache all NARY
2383 and REFERENCE translations.
2385 2010-03-19 David S. Miller <davem@davemloft.net>
2387 With help from Eric Botcazou.
2388 * config/sparc/sparc.c: Include dwarf2out.h.
2389 (emit_pic_helper): Delete.
2390 (pic_helper_symbol_name): Delete.
2391 (pic_helper_emitted_p): Delete.
2392 (pic_helper_needed): New.
2393 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
2394 (get_pc_thunk_name): New.
2395 (load_pic_register): Remove 'delay_pic_helper' arg. Use
2396 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
2397 Set pic_helper_needed to true. Don't call emit_pic_helper.
2398 (sparc_expand_prologue): Update load_pic_register call.
2399 (sparc_output_mi_thunk): Likewise.
2400 (sparc_file_end): Emit a hidden comdat symbol for the PIC
2401 thunk if possible. Output CFI information as needed.
2403 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
2404 Jack Howarth <howarth@bromo.med.uc.edu>
2407 * config/i386/i386.h: Fix ABI on darwin x86-32.
2409 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
2411 * tree.h: Declare make_decl_rtl_for_debug.
2412 * varasm.c (make_decl_rtl_for_debug): New.
2413 * dwarf2out.c (rtl_for_decl_location): Call it.
2414 * cfgexpand.c (expand_debug_expr): Call it.
2416 2010-03-18 Jakub Jelinek <jakub@redhat.com>
2419 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
2423 * var-tracking.c (vt_init_cfa_base): Do nothing if
2424 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
2426 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
2429 * var-tracking.c (canonicalize_vars_star): New.
2430 (dataflow_post_merge_adjust): Use it.
2432 2010-03-18 Jakub Jelinek <jakub@redhat.com>
2435 * var-tracking.c (non_suitable_const): New function.
2436 (add_uses): For DEBUG_INSNs with constants, don't record any
2437 value, instead just the constant value itself.
2438 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
2439 is not VAR_LOC_UNKNOWN_P, set var to the constant.
2440 (emit_notes_in_bb): Likewise.
2441 (emit_note_insn_var_location): For onepart variables if
2442 cur_loc is a VOIDmode constant, use DECL_MODE.
2444 2010-03-18 Martin Jambor <mjambor@suse.cz>
2447 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
2448 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
2449 all non-clones. Moved call redirection...
2450 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
2451 (cgraph_materialize_all_clones): Dispose of all
2452 combined_args_to_skip bitmaps.
2453 (verify_cgraph_node): Do not check for edges pointing to wrong
2454 nodes in inline clones.
2455 * tree-inline.c (copy_bb): Call
2456 cgraph_redirect_edge_call_stmt_to_callee.
2457 * ipa.c (cgraph_remove_unreachable_nodes): Call
2458 cgraph_node_remove_callees even when there are used clones.
2460 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
2462 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
2464 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
2467 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
2470 2010-03-18 Michael Matz <matz@suse.de>
2473 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
2474 into sqrt(x) if we need to preserve signed zeros.
2476 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
2477 Eric Botcazou <ebotcazou@adacore.com>
2479 PR rtl-optimization/43360
2480 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
2481 note if we don't know its invariant status.
2483 2010-03-18 Michael Matz <matz@suse.de>
2485 PR tree-optimization/43402
2486 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
2487 PHI chains of ssa names registered for update.
2489 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
2492 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
2493 non-offsettable and pre_modify update addressing.
2494 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
2495 and "2" alternatives "#".
2496 (*movdd_softfloat32): Make all alternatives "#";
2497 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
2498 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
2499 (*movdf_softfloat32): Make all alternatives "#";
2500 (movdi): Use the new DIFD mode iterator to create a common splitter
2501 for movdi, movdf and movdd patterns.
2503 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
2505 * common.opt (dumpdir): Remove redundant tab.
2507 2010-03-17 Martin Jambor <mjambor@suse.cz>
2509 PR tree-optimization/43347
2510 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
2511 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
2513 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
2515 PR rtl-optimization/42216
2516 * regrename.c (create_new_chain): New function, broken out from...
2517 (scan_rtx_reg): ... here. Call it. Handle the case where we are
2518 appending a use to an empty chain.
2519 (build_def_use): Remove previous changes that convert OP_INOUT to
2520 OP_OUT operands; instead detect the case where an OP_INOUT operand
2521 uses a previously untracked register and create an empty chain for it.
2523 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2525 * doc/extend.texi (Function Attributes): Rewrite unfinished
2526 sentence in ms_abi documentation.
2528 2010-03-17 Alan Modra <amodra@gmail.com>
2530 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
2531 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
2532 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
2533 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
2535 2010-03-16 Richard Henderson <rth@redhat.com>
2538 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
2539 (lower_try_finally): Save and restore eh_seq around the expansion
2542 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
2544 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
2545 statements before splitting block.
2547 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2549 * doc/sourcebuild.texi (Testsuites): Fix markup.
2550 Use pathnames relative to gcc/testsuite.
2551 (Test Directives): Move description of how timeout is determined.
2552 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
2553 (C Tests): Correct gcc.misc-tests directory.
2554 Framework tests now live in gcc.test-framework.
2556 2010-03-16 Richard Guenther <rguenther@suse.de>
2559 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
2560 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
2562 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
2563 Alexandre Oliva <aoliva@redhat.com>
2565 PR tree-optimization/42917
2566 * lambda-code.c (remove_iv): Skip debug statements.
2567 (lambda_loopnest_to_gcc_loopnest): Likewise.
2568 (not_interesting_stmt): Debug statements are not interesting.
2570 2010-03-16 Jakub Jelinek <jakub@redhat.com>
2574 * cselib.c (cselib_preserve_constants,
2575 cfa_base_preserved_val): New static variables.
2576 (preserve_only_constants): New function.
2577 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
2578 clear its REG_VALUES. If cselib_preserve_constants, don't
2579 empty the whole hash table, but preserve there VALUEs with constants,
2580 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
2581 (cselib_preserve_cfa_base_value): New function.
2582 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
2583 (cselib_init): Change argument to int bitfield. Set
2584 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
2586 (cselib_finish): Clear cselib_preserve_constants and
2587 cfa_base_preserved_val.
2588 * cselib.h (enum cselib_record_what): New enum.
2589 (cselib_init): Change argument to int.
2590 (cselib_preserve_cfa_base_value): New prototype.
2591 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
2592 * dse.c (dse_step1): Likewise.
2593 * cfgcleanup.c (thread_jump): Likewise.
2594 * sched-deps.c (sched_analyze): Likewise.
2595 * gcse.c (local_cprop_pass): Likewise.
2596 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
2597 If FN is non-NULL, call the callback always and whenever it returns
2598 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
2599 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
2600 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
2601 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
2602 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
2603 * var-tracking.c: Include recog.h.
2604 (bb_stack_adjust_offset): Remove.
2605 (vt_stack_adjustments): Don't call it, instead just gather the
2606 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
2607 (adjust_stack_reference): Remove.
2608 (compute_cfa_pointer): New function.
2609 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
2610 (struct adjust_mem_data): New type.
2611 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
2613 (get_address_mode): New function.
2614 (replace_expr_with_values): Use it.
2615 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
2616 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
2617 (adjust_sets): Remove.
2618 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
2619 Use get_address_mode.
2620 (get_adjusted_src): Remove.
2621 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
2622 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
2623 (add_with_sets): Don't call adjust_sets.
2624 (fp_setter, vt_init_cfa_base): New functions.
2625 (vt_initialize): Change return type to bool. Move most of pool etc.
2626 initialization to the beginning of the function from end. Pass
2627 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
2628 If !frame_pointer_needed, call vt_stack_adjustment before mos
2629 vector is filled, call vt_init_cfa_base if argp/framep has been
2630 eliminated to sp. If frame_pointer_needed and argp/framep has
2631 been eliminated to hard frame pointer, set
2632 hard_frame_pointer_adjustment and call vt_init_cfa_base after
2633 encountering fp setter in the prologue. For MO_ADJUST, call
2634 log_op_type before pusing the op into mos vector, not afterwards.
2635 Call adjust_insn before cselib_process_insn/add_with_sets,
2636 call cancel_changes (0) afterwards.
2637 (variable_tracking_main_1): Adjust for vt_initialize calling
2638 vt_stack_adjustments and returning whether it succeeded or not.
2640 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
2642 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
2645 2010-03-15 Jakub Jelinek <jakub@redhat.com>
2647 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
2649 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
2650 drap_reg has not been set.
2652 2010-03-15 Michael Matz <matz@suse.de>
2655 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
2656 use it to expand block copies.
2657 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
2658 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
2659 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
2661 2010-03-15 Richard Guenther <rguenther@suse.de>
2663 PR tree-optimization/43367
2664 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
2667 2010-03-15 Richard Guenther <rguenther@suse.de>
2669 PR tree-optimization/43317
2670 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
2672 2010-03-15 Martin Jambor <mjambor@suse.cz>
2674 PR tree-optimization/43141
2675 * tree-sra.c (create_abstract_origin): New function.
2676 (modify_function): Call create_abstract_origin.
2678 2010-03-15 Chris Demetriou <cgd@google.com>
2680 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
2683 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2686 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
2687 call insert_out_of_ssa_copy for default definitions.
2689 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2691 * graphite-clast-to-gimple.c (my_long_long): Defined.
2692 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
2693 * graphite-sese-to-poly.c (my_long_long): Defined.
2694 (scop_ivs_can_be_represented): Use it.
2696 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2698 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
2699 graphite-max-bbs-per-function, and loop-block-tile-size.
2700 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
2702 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
2704 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2706 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
2707 forward declaration.
2708 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
2709 (add_upper_bounds_from_estimated_nit): New.
2710 (build_loop_iteration_domains): Use it.
2712 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2714 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
2716 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2719 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
2720 should be an INTEGER_CST. Also handle CASE_CONVERT.
2722 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2724 * graphite.c (graphite_initialize): To bound the number of bbs per
2725 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
2726 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
2727 * doc/invoke.texi: Document it.
2729 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2731 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
2732 * graphite-sese-to-poly.h (build_poly_scop): Same.
2734 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2736 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
2737 the number of parameters in the scop. Use as an upper bound
2738 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
2739 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
2740 * doc/invoke.texi: Document it.
2742 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
2744 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
2745 * doc/c-tree.texi: Remove.
2746 * doc/generic.texi: Merge c-tree.texi here.
2747 * doc/gccint.texi (Trees): Remove menu entry.
2748 (c-tree.texi): Remove @include.
2749 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
2750 * doc/languages.texi (Reading RTL): Ditto.
2752 2010-03-12 Steve Ellcey <sje@cup.hp.com>
2755 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
2757 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
2760 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
2761 code added to work around reload clobbering CONST insns.
2763 2010-03-12 Jakub Jelinek <jakub@redhat.com>
2765 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
2766 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
2767 (cselib_preserve_only_values): Remove retain argument, don't
2768 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
2769 * cselib.h (cselib_preserve_only_values): Remove retain argument.
2770 * var-tracking.c (micro_operation): Move insn field before union.
2771 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
2772 (struct variable_tracking_info_def): Remove n_mos field, change
2773 mos into a vector of micro_operations.
2774 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
2775 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
2776 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
2777 changing into a vector.
2778 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
2779 come before all other uops generated by add_stores.
2780 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
2782 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
2783 a vector. Run just one pass over the bbs instead of separate counting
2784 and computation phase.
2785 (vt_finalize): Free VTI (bb)->mos vector instead of array.
2788 * tree-inline.c (remap_decls): Put old_var rather than origin_var
2789 into *nonlocalized_list vector.
2790 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
2791 even if origin is non-NULL.
2792 (gen_variable_die): Likewise.
2793 (process_scope_var): Don't change origin.
2794 (gen_decl_die): Likewise.
2795 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
2796 before adding new edges instead of after it, fix moving over
2799 2010-03-11 David S. Miller <davem@davemloft.net>
2801 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
2803 * configure: Rebuild.
2805 2010-03-11 Martin Jambor <mjambor@suse.cz>
2807 PR tree-optimization/43257
2808 * tree.c (assign_assembler_name_if_neeeded): New function.
2809 (free_lang_data_in_cgraph): Assembler name assignment moved to the
2811 * tree.h (assign_assembler_name_if_neeeded): Declare.
2812 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
2813 the function if needed.
2815 2010-03-11 Chris Demetriou <cgd@google.com>
2817 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
2818 include/stdint-gcc.h, and include/stdint.h world-readable.
2820 2010-03-11 Richard Guenther <rguenther@suse.de>
2822 PR tree-optimization/43255
2823 * tree-vrp.c (process_assert_insertions_for): Do not insert
2824 asserts for trivial conditions.
2826 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2828 PR tree-optimization/43280
2829 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
2830 generation. Move calculation of size out of the if branch.
2831 (find_bswap): Modify compare number generation.
2833 2010-03-11 Richard Guenther <rguenther@suse.de>
2836 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
2837 (input_gimple_stmt): Fixup handled component types during
2838 operand read. Also fix up decls in ADDR_EXPRs.
2840 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
2842 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
2843 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
2845 2010-03-10 Jan Hubicka <jh@suse.cz>
2848 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
2849 * varasm.c (get_variable_section): Don't do that here...
2850 (make_decl_rtl): ... and here.
2851 (do_assemble_alias): Produce decl RTL.
2852 (assemble_alias): Likewise.
2854 2010-03-10 Jakub Jelinek <jakub@redhat.com>
2857 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
2858 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
2860 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
2861 (based_loc_descr): Only express drap or vdrap regno based expressions
2862 using DW_OP_fbreg when not optimizing.
2863 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
2864 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
2865 REG_CFA_SET_VDRAP note.
2867 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
2869 PR tree-optimization/43236
2870 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
2871 error in calculation of base address in reverse iteration case.
2872 (generate_builtin): Take number of latch executions if the statement
2875 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
2878 * tree-eh.c: Include pointer-set.h.
2879 (lower_eh_dispatch): Filter out duplicate case labels and
2880 remove the unneeded edge when the label is unused. Return
2881 true when some edges are removed.
2882 (execute_lower_eh_dispatch): When any lowering resulted in
2883 removing an edge, also delete unreachable blocks.
2885 2010-03-10 Jakub Jelinek <jakub@redhat.com>
2888 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
2889 UNSPEC_MACHOPIC_OFFSET.
2891 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
2894 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
2895 (m68k_delegitimize_address): New function.
2897 2010-03-09 Jakub Jelinek <jakub@redhat.com>
2900 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
2903 * var-tracking.c (adjust_sets): New function.
2904 (count_with_sets, add_with_sets): Use it.
2905 (get_adjusted_src): New inline function.
2906 (add_stores): Use it.
2909 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
2910 call cselib_dummy_expand_value_rtx_cb instead of
2911 cselib_expand_value_rtx_cb.
2914 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
2915 * config/i386/i386.c: Include debug.h and dwarf2out.h.
2916 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
2917 and .cfi_endproc around the pic thunks.
2918 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
2919 all queued unwind info register saves are saved before the call.
2920 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
2921 considered as sp-=4 for unwind info and the pop as sp+=4 which
2922 also clobbers dest, but doesn't actually restore it.
2925 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
2926 RTX_FRAME_RELATED_P.
2928 2010-03-09 Jie Zhang <jie@codesourcery.com>
2930 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
2931 whitespaces in output template.
2933 2010-03-09 Jie Zhang <jie@codesourcery.com>
2935 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
2938 2010-03-08 Jakub Jelinek <jakub@redhat.com>
2940 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
2941 builtins.exp in a separate job.
2943 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2945 * graphite-sese-to-poly.c (add_param_constraints): Use
2946 lower_bound_in_type and upper_bound_in_type.
2948 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2950 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
2951 instead of unsigned_type_node.
2953 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2954 Reza Yazdani <reza.yazdani@amd.com>
2957 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
2958 on pointer type parameters.
2960 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
2964 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
2965 handle conversions from pointer to integers.
2966 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
2967 induction variable, to be able to work with code generated by CLooG.
2968 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
2969 (build_poly_scop): Bail out if we cannot codegen a loop.
2971 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
2973 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
2974 code generation with gloog_error.
2976 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2978 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
2979 Call fold_convert on all the returned values.
2980 (expand_scalar_variables_expr): Pass to
2981 expand_scalar_variables_ssa_name the type of the resulting expression.
2983 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2985 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
2986 ppl_min_for_le_pointset.
2987 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
2988 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
2990 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2992 * graphite-dependences.c (map_into_dep_poly): Removed.
2993 (dependence_polyhedron_1): Use combine_context_id_scat.
2995 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2997 * graphite-poly.h (struct poly_scattering): Add layout documentation.
2998 (struct poly_bb): Same.
2999 (combine_context_id_scat): New.
3001 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3004 * sese.c (name_defined_in_loop_p): Return false for default
3007 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3009 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
3010 and clean up the logic.
3012 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3014 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
3017 2010-03-08 Jakub Jelinek <jakub@redhat.com>
3019 * var-tracking.c (remove_cselib_value_chains): Define only for
3021 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
3022 delete_slot_part, emit_notes_for_differences_1): Don't call
3023 remove_cselib_value_chains here.
3024 (set_slot_part, emit_notes_for_differences_2): Don't call
3025 add_cselib_value_chains here.
3026 (preserved_values): New vector.
3027 (preserve_value): New function.
3028 (add_uses, add_stores, vt_add_function_parameters): Use it
3029 instead of cselib_preserve_value.
3030 (changed_values_stack): New vector.
3031 (check_changed_vars_0): New function.
3032 (check_changed_vars_1, check_changed_vars_2): Use it.
3033 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
3034 changed_values_stack VALUEs.
3035 (vt_emit_notes): For all preserved_values call
3036 add_cselib_value_chains. If ENABLE_CHECKING call
3037 remove_cselib_value_chains before verifying value_chains is empty.
3038 Initialize and free changed_values_stack.
3039 (vt_initialize): Initialize preserved_values.
3040 (vt_finalize): Free preserved_values.
3042 2010-03-08 Richard Guenther <rguenther@suse.de>
3044 PR tree-optimization/43269
3045 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
3048 2010-03-08 Martin Jambor <mjambor@suse.cz>
3050 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
3051 (ipa_is_param_called): Removed.
3052 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
3053 (ipa_print_node_params): Do not print the called flag.
3054 (ipa_write_node_info): Do not stream the called flag.
3055 (ipa_read_node_info): Likewise.
3057 2010-03-07 Jakub Jelinek <jakub@redhat.com>
3060 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
3061 * cselib.c (struct expand_value_data): Add dummy field.
3062 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
3064 (cselib_dummy_expand_value_rtx_cb): New function.
3065 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
3067 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
3068 * var-tracking.c: Include pointer-set.h.
3069 (variable): Change n_var_parts to char from int. Add
3070 cur_loc_changed and in_changed_variables fields.
3071 (variable_canonicalize): Remove.
3072 (shared_var_p): New inline function.
3073 (unshare_variable): Maintain cur_loc_changed and
3074 in_changed_variables fields. If var was in changed_variables,
3075 replace it there with new_var. Just copy cur_loc instead of
3076 resetting it to something else.
3077 (variable_union): Don't recompute cur_loc. Use shared_var_p.
3078 (dataflow_set_union): Don't call variable_canonicalize.
3079 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
3080 of their DEBUG_EXPR_TREE_DECLs.
3081 (canonicalize_loc_order_check): Verify that cur_loc is NULL
3082 and in_changed_variables and cur_loc_changed is false.
3083 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
3084 and cur_loc_changed. Don't update cur_loc here.
3085 (variable_merge_over_src): Don't call variable_canonicalize.
3086 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
3087 removing loc that is equal to cur_loc, clear cur_loc,
3088 set cur_loc_changed and ensure variable_was_changed is called.
3089 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
3090 compare pointers in cur_loc check, if it is equal to loc,
3091 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
3092 (variable_different_p): Remove compare_current_location argument,
3093 don't compare cur_loc.
3094 (dataflow_set_different_1): Adjust variable_different_p caller.
3095 (variable_was_changed): If dv had some var in changed_variables
3096 already, reset in_changed_variables flag for it and propagate
3097 cur_loc_changed over to the new variable. On empty var
3098 always set cur_loc_changed. Set in_changed_variables on whatever
3099 var is added to changed_variables.
3100 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
3101 Use shared_var_p. When removing loc that is equal to cur_loc,
3102 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
3103 end, don't set it to something else, just call variable_was_changed.
3104 (delete_slot_part): Use shared_var_p. When cur_loc equals to
3105 loc being removed, clear cur_loc and set cur_loc_changed.
3106 Set cur_loc_changed if all locations have been removed.
3107 (struct expand_loc_callback_data): New type.
3108 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
3109 allocated. Always create SUBREGs if simplify_subreg failed.
3110 Prefer to use cur_loc, when that fails and still in
3111 changed_variables (and seen first time) recompute it. Set
3112 cur_loc_changed of variables which had to change cur_loc and
3113 compute elcd->cur_loc_changed if any of the subexpressions used
3114 had to change cur_loc.
3115 (vt_expand_loc): Adjust to pass arguments in
3116 expand_loc_callback_data structure.
3117 (vt_expand_loc_dummy): New function.
3118 (emitted_notes): New variable.
3119 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
3120 that weren't used for any other decl in current
3121 emit_notes_for_changes call call vt_expand_loc_dummy to update
3122 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
3123 first loc_chain location if NULL before. Always use just
3124 cur_loc instead of first loc_chain location. When cur_loc_changed
3125 is false, when not --enable-checking=rtl just don't emit any note.
3126 When rtl checking, compute the note and assert it is the same
3127 as previous note. Clear cur_loc_changed and in_changed_variables
3128 at the end before removing from changed_variables.
3129 (check_changed_vars_3): New function.
3130 (emit_notes_for_changes): Traverse changed_vars to call
3131 check_changed_vars_3 on each changed var.
3132 (emit_notes_for_differences_1): Clear cur_loc_changed and
3133 in_changed_variables. Recompute cur_loc of new_var.
3134 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
3135 (vt_emit_notes): Initialize and destroy emitted_notes.
3137 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
3139 PR rtl-optimization/42220
3140 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
3141 Use verify_reg_tracked to determine if we should use OP_OUT rather
3143 (build_def_use): If we see an in-out operand for a register that we
3144 know nothing about, treat is an output if possible, fail the block if
3147 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3150 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
3153 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3156 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
3157 uses of relevant DEFs that are dead outside the loop too.
3159 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3161 * var-tracking.c (dataflow_set_merge): Swap src and src2.
3163 2010-01-13 Jakub Jelinek <jakub@redhat.com>
3165 * var-tracking.c (values_to_unmark): New variable.
3166 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
3167 values_to_unmark vector. Moved body to...
3168 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
3169 instead queue it into values_to_unmark vector.
3170 (vt_find_locations): Free values_to_unmark vector.
3172 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
3174 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
3175 (site.exp): Export them when plugins are enabled.
3177 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
3180 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
3182 (chrec_fold_multiply): Same.
3184 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
3187 * c-decl.c (build_compound_literal): Return early if init is
3190 2010-03-04 Martin Jambor <mjambor@suse.cz>
3192 PR tree-optimization/43164
3193 PR tree-optimization/43191
3194 * tree-sra.c (type_consists_of_records_p): Reject records with
3195 zero-size bit-fields at the end.
3197 2010-03-04 Mike Stump <mikestump@comcast.net>
3199 * Makefile.in (TAGS): Remove *.y.
3201 2010-03-04 Richard Guenther <rguenther@suse.de>
3203 PR tree-optimization/40761
3204 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
3206 (my_rev_post_order_compute): New function.
3207 (init_pre): Call it.
3209 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
3212 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
3213 decrease the cost of an IV candidate when the cost is infinite.
3215 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3217 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
3218 Use '3DNow!' for the extension of that name, ensure normal space
3220 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3222 2010-03-03 Jeff Law <law@redhat.com>
3224 * PR middle-end/32693
3225 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
3226 than gen_rtx_SUBREG.
3227 (extract_bit_field_1): Likewise.
3229 2010-03-03 Janis Johnson <janis187@us.ibm.com>
3231 * doc/sourcebuild.texi (Test directives): Document that arguments
3232 include-opts and exclude-opts are now optional for dg-skip-if,
3233 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
3235 2010-03-03 Jason Merrill <jason@redhat.com>
3238 * cgraph.h (varpool_node): Add extra_name field.
3239 * varpool.c (varpool_extra_name_alias): New.
3240 (varpool_assemble_decl): Emit extra name aliases.
3241 (varpool_mark_needed_node): Look past an extra name alias.
3242 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
3243 * lto-streamer-in.c (lto_input_tree): Read it.
3244 * lto-streamer-out.c (output_unreferenced_globals): Write it.
3246 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
3248 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
3249 (sparc*-*-solaris2*): ...this.
3251 2010-03-03 Jakub Jelinek <jakub@redhat.com>
3254 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
3255 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
3256 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
3257 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
3260 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
3261 fallthrough to default handling, just with want_address 0 instead of 2.
3262 For single element lists, add_AT_loc directly, otherwise create an
3263 artificial variable DIE and stick location list to it.
3266 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
3267 (VAL_EXPR_HAS_REVERSE): Define.
3268 (reverse_op): New function.
3269 (add_stores): For reversible operations add an extra MO_VAL_USE.
3271 2010-03-02 Jason Merrill <jason@redhat.com>
3273 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
3275 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
3277 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
3278 (sparc64-*-linux*): Likewise.
3279 (sparc64-*-solaris2*): Include assembler files before linker ones.
3280 (sparc-*-solaris2*): Simplify and reorder to match previous case.
3281 * config/sparc/gas.h: Delete.
3282 * config/sparc/sol2-64.h: Add copyright notice.
3283 * config/sparc/sol2-gas-bi.h: Likewise.
3284 * config/sparc/sol2-gld.h: Likewise.
3285 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
3286 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
3287 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
3288 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
3289 (sparc_elf_asm_named_section): Rename into...
3290 (sparc_solaris_elf_asm_named_section): ...this. Always define.
3292 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
3294 * config/alpha/alpha.c (override_options): Fix -mtune error message.
3296 2010-03-02 Jeff Law <law@redhat.com>
3299 * reload1.c (rtx_p, substitute_stack): Declare.
3300 (substitute): Record addresses of changed rtxs.
3301 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
3302 Restore the original rtx when complete.
3303 (reload): Free subsitute_stack when complete.
3305 2010-03-02 Janis Johnson <janis187@us.ibm.com>
3307 * doc/gccint.texi (menu): Add Testsuites as a chapter.
3308 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
3310 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
3311 LTO Testing, gcov Testing, profopt Testing, compat Testing,
3312 Torture Tests): Change from subsection to section.
3314 2010-03-02 Jakub Jelinek <jakub@redhat.com>
3315 Steven Bosscher <steven@gcc.gnu.org>
3317 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
3320 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
3323 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
3324 the assignment from the new induction variable to the assignment
3325 of the value from the original loop PHI function.
3327 2010-03-01 Janis Johnson <janis187@us.ibm.com>
3328 Daniel Jacobowitz <dan@codesourcery.com>
3330 * doc/sourcebuild.texi (Test directives): Clarify options to
3333 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3335 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
3336 Disable cfi directives unless GCC and gas agree on using read-only
3337 .eh_frame sections for 64-bit.
3338 * configure: Regenerate.
3340 2010-03-01 Richard Guenther <rguenther@suse.de>
3342 PR tree-optimization/43220
3343 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
3344 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
3346 2010-03-01 Richard Guenther <rguenther@suse.de>
3347 Martin Jambor <mjambor@suse.cz>
3350 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
3351 gimplified parameters.
3353 2010-03-01 Christian Bruel <christian.bruel@st.com>
3355 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
3357 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
3359 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
3361 2010-03-01 Richard Guenther <rguenther@suse.de>
3364 * expr.c (expand_assignment): Use the alias-oracle to tell
3365 if the rhs aliases the result decl.
3367 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3370 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
3371 to sol_gt_pch_get_address.
3372 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
3373 64-bit, SPARC and x86.
3374 (sol_gt_pch_get_address): New function.
3376 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
3378 * toplev.h (inform_n, error_n): Declare.
3379 * diagnostic.c (inform_n, error_n): New function.
3381 2010-03-01 Jakub Jelinek <jakub@redhat.com>
3383 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
3384 has no rtl yet when processing local_decls, queue it and recheck
3385 if deferred stack allocation hasn't assigned it rtl.
3387 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
3389 * config/sh/sh.c (unspec_bbr_uid): New.
3390 (gen_block_redirect): Use it instead of INSN_UID.
3391 (gen_far_branch): Likewise.
3393 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
3395 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
3396 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
3398 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3400 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
3401 (Warning Options): -Wno-conversion-null is valid for
3402 Objective-C++ as well.
3403 * doc/tm.texi (Named Address Spaces): Likewise.
3404 * doc/plugins.texi (Plugins): Replace TABs with spaces.
3405 * doc/tree-ssa.texi (Tree SSA): Likewise.
3407 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
3410 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
3411 by default. Don't set the default arch for
3412 i[34567]86-*-darwin*|x86_64-*-darwin*.
3414 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
3417 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
3418 default. Set the default 32bit/64bit archs with $with_arch
3419 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
3421 2010-02-27 Richard Guenther <rguenther@suse.de>
3423 PR tree-optimization/43186
3424 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
3425 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
3426 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
3427 unroller iterations.
3429 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
3431 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
3432 required and i[34567]86-*-* targets don't support 64bit ISA.
3434 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
3437 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
3440 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
3442 * config.gcc: Set the default arch at least to Prescott for
3443 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
3444 if SSE math is enabled.
3446 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
3448 * diagnostic.c (diagnostic_initialize): Update.
3449 (diagnostic_report_diagnostic): Test inhibit_notes_p for
3451 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
3452 (diagnostic_inhibit_notes): New.
3453 * toplev.c (process_options): inhibit notes with -fcompare-debug.
3455 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
3458 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
3459 * doc/standards.texi: Likewise.
3460 * doc/extend.texi: Likewise.
3461 * doc/trouble.texi: Likewise.
3462 * doc/cppopts.texi: Likewise.
3463 * doc/install.texi: Likewise.
3464 * c.opt (std=c90,std=gnu90): New options.
3465 * c-opts.c (c_common_handle_option): Handle them.
3467 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
3470 * c-decl.c (undeclared_variable): Use an informative note.
3472 2010-02-26 Richard Guenther <rguenther@suse.de>
3474 PR tree-optimization/43186
3475 * gimple.h (gimple_fold): Remove.
3476 * gimple.c (gimple_fold): Remove. Inline into single user ...
3477 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
3478 Try harder for conditions.
3480 2010-02-26 Jakub Jelinek <jakub@redhat.com>
3483 * function.c (used_types_insert): Don't skip through named pointer
3484 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
3485 and it is different from the main variant's type.
3487 2010-02-26 Nick Clifton <nickc@redhat.com>
3489 * config/rx/rx.md (sminsi3): Remove bogus alternative.
3491 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
3493 * config.gcc: Support --with-fpmath=sse for x86.
3495 * config/i386/ssemath.h: New.
3497 * doc/install.texi (--with-fpmath=sse): Documented.
3499 2010-02-26 Richard Guenther <rguenther@suse.de>
3501 PR tree-optimization/43188
3502 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
3503 vector types of over-aligned element type.
3505 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
3508 * config/i386/i386.c (expand_vec_perm_blend): Use correct
3509 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
3511 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
3513 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
3515 2010-02-26 Jakub Jelinek <jakub@redhat.com>
3517 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
3518 * var-tracking.c: Include diagnostic.h.
3519 (debug_dv): New function.
3520 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
3523 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
3524 (add_value_chain, add_value_chains, remove_value_chain,
3525 remove_value_chains): Handle DEBUG_EXPRs.
3526 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
3529 * regcprop.c (struct queued_debug_insn_change): New type.
3530 (struct value_data_entry): Add debug_insn_changes field.
3531 (struct value_data): Add n_debug_insn_changes field.
3532 (debug_insn_changes_pool): New variable.
3533 (free_debug_insn_changes, apply_debug_insn_changes,
3534 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
3535 (kill_value_one_regno): Call free_debug_insn_changes if needed.
3536 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
3538 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
3540 (copyprop_hardreg_forward_1): Don't call apply_change_group for
3541 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
3542 changes, call cprop_find_used_regs via note_stores.
3543 (copyprop_hardreg_forward): When copying vd from predecessor
3544 which has any queued DEBUG_INSN changes, make sure the pointers are
3545 cleared. At the end call df_analyze and then if there are any
3546 DEBUG_INSN changes queued at the end of some basic block for still
3547 live registers, apply them.
3548 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
3550 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
3552 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
3555 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
3557 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
3558 targets. Set the default with_cpu/with_arch from arch/cpu.
3559 Allow x86-64 and native for with_cpu/with_arch.
3561 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
3563 * ebitmap.c: Change calls to verify_popcount with calls to
3564 sbitmap_verify_popcount.
3565 (ebitmap_clear_bit): Fixed map->cacheindex test and
3566 map>cache update when bit clearing results in an empty
3569 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
3572 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
3573 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
3574 and support both V2DF and V2DI modes.
3575 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
3576 support both V2DF and V2DI modes.
3577 (general): Delete trailing whitespace from a few patterns.
3579 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
3580 V2DF/V2DI interleave high/low builtins.
3582 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
3585 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
3586 interleave high/low functions.
3588 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
3590 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
3591 #pragma extern_prefix.
3593 2010-02-25 Jakub Jelinek <jakub@redhat.com>
3596 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
3597 BLKmode, assert op0 is a MEM and just adjust its mode.
3600 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
3601 if bitpos isn't multiple of mode's bitsize.
3603 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
3605 * c.opt (-ftemplate-depth=): New.
3606 (-ftemplate-depth-): Deprecate.
3607 * optc-gen.awk: Handle -ftemplate-depth=.
3608 * opth-gen.awk: Likewise.
3609 * c-opts.c (c_common_handle_option): Likewise.
3610 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
3612 2010-02-24 Jason Merrill <jason@redhat.com>
3614 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
3616 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3618 * cfg.c (alloc_aux_for_block): Remove inline.
3619 (alloc_aux_for_edge): Likewise.
3621 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3623 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
3625 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3627 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
3628 * config/i386/sol2-gas.h: New file.
3629 * config.gcc (i[34567]86-*-solaris2*): Use it.
3631 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
3634 * c-typeck.c (ep_convert_and_check): New.
3635 (build_conditional_expr): Use it.
3636 (build_binary_op): Likewise.
3638 2010-02-24 Jakub Jelinek <jakub@redhat.com>
3640 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
3643 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
3644 bounds even for -O+.
3645 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
3646 expr needs to have DECL_NAME set.
3648 2010-02-24 Nick Clifton <nickc@redhat.com>
3650 * config/mep/mep.c: Include gimple.h.
3651 (mep_function_uses_sp): Delete unused function.
3652 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
3653 parameters. Use unsigned integers to count args. Return a
3654 NULL_RTX instead of an error_mark_node. Toidy up formatting.
3656 2010-02-23 Jakub Jelinek <jakub@redhat.com>
3659 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
3660 greater or equal to nelt instead of 2 * nelt.
3661 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
3664 2010-02-23 Jason Merrill <jason@redhat.com>
3667 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
3668 in cfun->local_decls even if they have register types.
3671 * stor-layout.c (place_field): Don't warn about unnecessary
3672 DECL_PACKED if the type is packed.
3674 2010-02-23 Jakub Jelinek <jakub@redhat.com>
3677 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
3678 GOTOFF relocs, even when the base reg isn't pic pointer.
3680 2010-02-23 Michael Matz <matz@suse.de>
3683 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
3684 (expand_gimple_basic_block): Generate and use debug temps if there
3685 are debug uses left after the last real use of TERed ssa names.
3686 Unlink debug immediate uses when they are expanded.
3688 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
3691 * config/i386/i386.c (override_options): Reorganise to provide
3692 better error messages.
3694 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
3697 * graphite-scop-detection.c (create_single_exit_edge): Move
3698 the call to find_single_exit_edge to....
3699 (create_sese_edges): ...here. Don't handle multiple edges
3700 exiting the function.
3701 (build_graphite_scops): Don't handle multiple edges
3702 exiting the function.
3704 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
3707 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
3708 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
3710 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
3713 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
3715 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
3718 * c-typeck.c (convert_arguments): Print declaration location.
3719 * c-common.c (validate_nargs): Rename as
3720 builtin_function_validate_nargs.
3721 (check_builtin_function_arguments): Update.
3723 2010-02-22 Richard Guenther <rguenther@suse.de>
3726 * tree-inline.c (declare_return_variable): Use the type of
3727 the call stmt lhs if available.
3729 2010-02-22 Duncan Sands <baldrick@free.fr>
3731 * passes.c (register_pass): Always consider all pass lists when
3732 ref_pass_instance_number is zero.
3734 2010-02-22 Richard Guenther <rguenther@suse.de>
3736 PR tree-optimization/42749
3737 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
3738 parameter. Do arithmetic in the original type.
3739 (update_accumulator_with_ops): Likewise.
3740 (adjust_accumulator_values): Adjust.
3742 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3744 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
3745 (QI to BLKmode splitter): New splitter.
3747 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
3749 * config/i386/i386.c (initial_ix86_tune_features): Turn on
3750 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
3752 2010-02-22 Richard Guenther <rguenther@suse.de>
3754 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
3756 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
3758 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
3759 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
3760 ($(T)crti.o, $(T)crtn.o): Remove rules.
3762 2010-02-21 Tobias Burnus <burnus@net-b.de>
3765 * doc/invoke.texi (-fassociative-math): Document that this
3766 option is automatically enabled for Fortran.
3768 2010-02-20 David S. Miller <davem@davemloft.net>
3770 * configure.ac: Test if linker and assembler properly support
3771 GOTDATA_OP relocations.
3772 * configure: Rebuild.
3773 * config.in: Likewise.
3774 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
3775 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
3776 (movsi_high_pic): Likewise.
3777 (movdi_lo_sum_pic): Likewise.
3778 (movdi_high_pic): Likewise.
3779 (movsi_pic_gotdata_op): New pattern.
3780 (movdi_pic_gotdata_op): Likewise.
3781 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
3782 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
3784 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
3787 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
3788 attribute to ssemul.
3789 (xop_mulv2div2di3_high): Ditto.
3791 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
3794 * c.opt (Wconversion-null): New option.
3795 * doc/invoke.texi (Wconversion-null): Document.
3797 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
3799 * common.opt (Wlarger-than-): Add Undocumented.
3801 2010-02-19 Mike Stump <mikestump@comcast.net>
3803 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
3805 2010-02-19 Jason Merrill <jason@redhat.com>
3808 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
3809 * configure: Likewise.
3811 2010-02-20 Alan Modra <amodra@gmail.com>
3814 * cgraph.h (cgraph_make_decl_local): Declare.
3815 * cgraph.c (cgraph_make_decl_local): New function.
3816 (cgraph_make_node_local): Use it.
3817 * cgraphunit.c (cgraph_function_versioning): Likewise.
3818 * ipa.c (function_and_variable_visibility): Likewise.
3820 2010-02-19 Jakub Jelinek <jakub@redhat.com>
3823 * except.c (sjlj_emit_function_enter): Don't call
3824 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
3826 * rtl.h (add_reg_br_prob_note): Remove prototype.
3828 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
3831 * c-common.c (conversion_warning): Remove widening conversions
3832 before checking the conversion of integers to reals.
3834 2010-02-19 Mike Stump <mikestump@comcast.net>
3837 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
3840 * cgraphunit.c (process_function_and_variable_attributes): Check
3841 DECL_PRESERVE_P instead of looking up attribute "used".
3842 * ipa-pure-const.c (check_decl): Likewise.
3843 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
3844 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
3845 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
3846 instead of attribute "used".
3847 * config/sol2-c.c (solaris_pragma_init): Likewise.
3848 (solaris_pragma_fini): Likewise.
3850 2010-02-19 Jakub Jelinek <jakub@redhat.com>
3852 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
3853 Use XCNEW instead of xcalloc.
3854 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
3855 XNEW instead of xmalloc.
3856 (get_fields): Use XNEWVEC instead of xmalloc.
3859 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
3860 populate vars array.
3861 (create_new_general_access): For debug stmts just reset value.
3862 (get_stmt_accesses): For accesses within debug stmts just record them
3863 using add_access_to_acc_sites instead of preventing the peeling or
3864 counting them as accesses.
3867 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
3869 2010-02-19 Richard Guenther <rguenther@suse.de>
3871 PR tree-optimization/42916
3872 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
3875 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
3877 * configure.ac: Replace all uses of changequote in macro arguments
3878 with proper quoting.
3880 2010-02-19 Jakub Jelinek <jakub@redhat.com>
3883 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
3885 2010-02-19 Richard Guenther <rguenther@suse.de>
3887 PR tree-optimization/42944
3888 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
3889 test for aliasing with errno.
3891 2010-02-19 Jakub Jelinek <jakub@redhat.com>
3894 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
3895 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
3896 * dojump.c: Include output.h.
3897 (inv): New inline function.
3898 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
3899 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
3900 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
3901 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
3902 argument, pass it down to other calls.
3903 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
3904 add REG_BR_PROB note to the conditional jump.
3905 * cfgexpand.c (add_reg_br_prob_note): Removed.
3906 (expand_gimple_cond): Don't call it, add the probability
3907 as last argument to jumpif_1/jumpifnot_1.
3908 * Makefile.in (dojump.o): Depend on output.h.
3909 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
3911 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
3912 * stmt.c (do_jump_if_equal): Likewise.
3913 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
3914 * loop-unswitch.c (compare_and_jump_seq): Likewise.
3915 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
3917 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
3918 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
3919 jumpifnot_1 callers.
3920 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
3922 (store_expr): Adjust jumpifnot caller.
3923 (store_constructor): Adjust jumpif caller.
3926 * gimplify.c (gimple_boolify): For __builtin_expect call
3927 gimple_boolify also on its first argument.
3929 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
3931 * configure.ac (gnu-unique-object): Wrap regexps using [] in
3933 (__stack_chk_fail): Ditto. Remove quadrigraphs.
3934 * configure: Regenerated.
3936 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3938 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
3939 lang_hooks.types_compatible_p instead of comptypes.
3941 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
3943 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
3944 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
3945 if __prefer_thumb__ is defined.
3947 2010-02-18 Martin Jambor <mjambor@suse.cz>
3949 PR tree-optimization/43066
3950 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
3951 array with zero-sized element type.
3953 2010-02-18 Jakub Jelinek <jakub@redhat.com>
3955 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
3956 rtx, allocate struct var_loc_node here and return it to the
3957 caller, and only if it is actually needed.
3958 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
3959 move it earlier and return immediately if it returns NULL.
3961 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
3963 * config/sparc/gas.h: New file. Restore
3964 TARGET_ASM_NAMED_SECTION to its ELF default.
3965 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
3967 * config/sparc/sparc.c (sparc_elf_asm_named_section):
3968 Likewise. Add ATTRIBUTE_UNUSED to prototype.
3969 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
3970 after sparc/sysv4.h.
3972 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
3974 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
3976 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
3978 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
3979 patterns from predicated pattern.
3981 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
3984 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
3985 for insn mnemonic suffix.
3987 2010-02-17 Richard Guenther <rguenther@suse.de>
3989 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
3992 2010-02-17 Jakub Jelinek <jakub@redhat.com>
3995 * caller-save.c (save_call_clobbered_regs): If BB ends with
3996 a DEBUG_INSN, move any notes in between last real insn and the last
3997 DEBUG_INSN after the last DEBUG_INSN.
3999 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
4001 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
4002 Fix return type. Fix argument type. Explain meaning of return value.
4004 2010-02-16 Richard Guenther <rguenther@suse.de>
4006 PR tree-optimization/41043
4007 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
4008 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
4010 (vrp_visit_phi_node): ... but only for loop PHI nodes.
4012 2010-02-16 Ira Rosen <irar@il.ibm.com>
4014 PR tree-optimization/43074
4015 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
4016 * tree-vect-loop.c (vect_analyze_loop_operations): Add
4017 vectorizable cycles in hybrid SLP check.
4018 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
4020 2010-02-16 Richard Guenther <rguenther@suse.de>
4022 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
4023 (true_dependence): If memrefs_conflict_p computes must-alias
4024 trust it. Move TBAA check after offset-based disambiguation.
4025 (canon_true_dependence): Likewise.
4027 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
4029 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
4030 * doc/invoke.texi: Document it.
4031 * var-tracking.c: Include toplev.h and params.h.
4032 (vt_find_locations): Return bool indicating success. Compute
4033 hash sizes unconditionally. Check new parameter, report.
4034 (variable_tracking_main_1): Check vt_find_locations results and
4035 retry. Renamed from...
4036 (variable_tracking_main): ... this. New wrapper to preserve
4037 flag_var_tracking_assignments.
4038 * Makefile.in (var-tracking.o): Adjust dependencies.
4040 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
4041 Jakub Jelinek <jakub@redhat.com>
4044 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
4045 if weak_import attribute is present.
4046 * config/darwin.c (machopic_select_section): Likewise.
4048 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
4050 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
4051 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
4052 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
4053 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
4055 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument types.
4057 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
4060 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
4061 Rewrite text to refer to the names.
4063 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
4065 * config/i386/i386-builtin-types.def
4066 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
4067 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
4068 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
4069 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
4070 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
4071 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
4072 IX86_BUILTIN_VPERMIL2PS256.
4073 (MULTI_ARG_4_DF2_DI_I): Defined.
4074 (MULTI_ARG_4_DF2_DI_I1): Defined.
4075 (MULTI_ARG_4_SF2_SI_I): Defined.
4076 (MULTI_ARG_4_SF2_SI_I1): Defined.
4077 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
4078 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
4079 __builtin_ia32_vpermil2ps256.
4080 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
4081 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
4082 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
4083 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
4084 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
4085 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
4086 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
4087 CODE_FOR_xop_vpermil2v8sf3.
4088 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
4089 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
4090 * config/i386/xopintrin.h (_mm_permute2_pd): New.
4091 (_mm256_permute2_pd): New.
4092 (_mm_permute2_ps): New.
4093 (_mm256_permute2_ps): New.
4095 2010-02-15 Nick Clifton <nickc@redhat.com>
4097 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
4098 boolean parameters. Use emit_jump_insn when emitting a pop
4099 instruction containing a return insn.
4100 (push): Use 'true' rather than '1' as second parameter to F.
4101 (h8300_expand_prologue): Likewise.
4102 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
4103 (h8300_expand_epilogue): Likewise.
4105 2010-02-15 Richard Guenther <rguenther@suse.de>
4108 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
4111 2010-02-15 Nick Clifton <nickc@redhat.com>
4113 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
4116 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
4118 * intl.c (fake_ngettext): New function.
4119 * intl.h (fake_ngettext): Declare.
4120 (ngettext): Define macro.
4121 * collect2.c (notice_translated): New function.
4122 (main): Use notice_translated and ngettext.
4123 * collect2.h (notice_translated): Declare.
4125 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
4127 * reorg.c (delete_computation): Comment fixes.
4128 * caller-save.c (setup_save_areas): Idem.
4129 * sel-sched-dump.c (dump_lv_set): Idem.
4132 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4134 * config/s390/s390.c (s390_sched_init): New function.
4135 (TARGET_SCHED_INIT): Target hook defined.
4137 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
4138 Jack Howarth <howarth@bromo.med.uc.edu>
4139 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
4142 Partial revert of unintended change in fix for PR41605.
4143 * config/darwin.h: Fix typo.
4144 * config/darwin9.h: Same.
4146 2010-02-11 Jakub Jelinek <jakub@redhat.com>
4148 * c-pch.c (pch_init): Clear v.
4150 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4153 * graphite-scop-detection.c (graphite_can_represent_scev): Call
4154 graphite_can_represent_init for MULT_EXPR.
4156 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4160 * graphite-sese-to-poly.c (remove_phi): New.
4161 (translate_scalar_reduction_to_array): Call remove_phi.
4163 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4166 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
4167 * graphite-clast-to-gimple.h (gloog): Update declaration.
4168 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
4169 * graphite-poly.h (struct poly_bb): Add missing comments.
4170 (struct scop): Add poly_scop_p field.
4172 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
4173 * graphite.c (graphite_transform_loops): Build the polyhedral
4174 representation for each scop before code generation.
4175 * sese.c (rename_variables_in_operand): Removed.
4176 (rename_variables_in_expr): Return the renamed expression.
4177 (rename_sese_parameters): New.
4178 * sese.h (rename_sese_parameters): Declared.
4180 2010-02-11 Richard Guenther <rguenther@suse.de>
4182 PR tree-optimization/42998
4183 * tree-ssa-pre.c (create_expression_by_pieces): Treat
4184 POINTER_PLUS_EXPR properly.
4186 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4187 Changpeng Fang <changpeng.fang@amd.com>
4190 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
4191 the cost of an IV candidate when the IV is used in a test against zero.
4193 * gcc.dg/tree-ssa/ivopts-3.c: New.
4195 2010-02-11 Richard Guenther <rguenther@suse.de>
4198 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
4199 pointer-vs-decl case by swapping refs. Handle some cases
4200 of pointer-vs-decl disambiguations more conservatively.
4201 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
4202 to false after expanding.
4204 2010-02-11 Richard Guenther <rguenther@suse.de>
4207 * gcc.c (process_command): Handle LTO file@offset case more
4210 2010-02-11 Jakub Jelinek <jakub@redhat.com>
4212 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
4213 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
4215 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
4217 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
4218 if MEM's mode size isn't DWARF2_ADDR_SIZE.
4219 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
4220 Optimize eq/ne comparisons when both arguments are known to be
4222 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
4223 Don't mask operands unnecessarily if they are known to be already
4226 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
4228 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
4231 2010-02-10 Richard Guenther <rguenther@suse.de>
4233 PR tree-optimization/43017
4234 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
4235 for wrapping signed arithmetic.
4237 2010-02-10 Jakub Jelinek <jakub@redhat.com>
4240 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
4241 if no debug info should be emitted for it.
4243 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
4245 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
4246 note when flag_exceptions is set.
4248 2010-02-10 Duncan Sands <baldrick@free.fr>
4250 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
4252 2010-02-10 Richard Guenther <rguenther@suse.de>
4255 * tree.c (get_unwidened): Handle constants.
4256 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
4258 2010-02-10 Martin Jambor <mjambor@suse.cz>
4261 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
4262 check for variable argument counts independently.
4264 2010-02-10 Christian Bruel <christian.bruel@st.com>
4267 * config/sh/sh.c (find_barrier): Increase length for non delayed
4268 conditional branches.
4270 2010-02-10 Christian Bruel <christian.bruel@st.com>
4272 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
4274 2010-02-10 Jakub Jelinek <jakub@redhat.com>
4276 * builtins.c (set_builtin_user_assembler_name): Also handle
4277 ffs if int is smaller than word.
4279 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
4282 * ira-conflicts.c (get_dup): Remove.
4283 (process_reg_shuffles): Add new parameter. Use it as an
4284 additional guard for copy generation.
4285 (add_insn_allocno_copies): Rewrite.
4287 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
4289 * common.opt (fsched2-use-traces): Preserved for backward
4291 * doc/invoke.texi: Remove the documentation about option
4292 -fsched2-use-traces.
4293 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
4294 flag_sched2_use_traces.
4295 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
4296 the backward compatibility flag section.
4298 2010-02-09 Richard Guenther <rguenther@suse.de>
4300 PR tree-optimization/43008
4301 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
4302 make HEAP variables initialized from global memory if they
4303 are not known builtin functions.
4304 (find_func_aliases): Adjust.
4306 2010-02-09 Richard Guenther <rguenther@suse.de>
4308 PR tree-optimization/43000
4309 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
4310 arithmetic manually.
4312 2010-02-08 Jakub Jelinek <jakub@redhat.com>
4314 PR tree-optimization/42931
4315 * tree-loop-linear.c (try_interchange_loops): Don't call
4316 double_int_mul if estimated_loop_iterations failed.
4318 2010-02-08 Martin Jambor <mjambor@suse.cz>
4321 * tree-sra.c (build_accesses_from_assign): Do not mark in
4322 should_scalarize_away_bitmap if stmt has volatile ops.
4323 (sra_modify_assign): Do not process assigns piecemeal if if stmt
4326 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
4328 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
4330 2010-02-07 Adam Nemet <adambnmet@gmail.com>
4332 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
4335 2010-02-07 Andrew Pinski <pinskia@gmail.com>
4338 * df-core.c (df_finish_pass): Change type of saved_flags to int.
4340 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
4343 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
4344 to unknown_dependence.
4345 (graphite_legal_transform_dr): Handle the unknown_dependence.
4346 (graphite_carried_dependence_level_k): Same.
4348 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
4350 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
4352 2010-02-07 Richard Guenther <rguenther@suse.de>
4355 * expr.c (get_inner_reference): Always initialize *pbitsize.
4357 2010-02-07 Richard Guenther <rguenther@suse.de>
4360 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
4361 new ARRAY_REFs on variable size element or minimal index arrays.
4363 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
4364 gimple_fold_indirect_ref.
4366 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
4369 * arm.c (arm_override_options): Just return if the user has specified
4370 an invalid fpu name.
4372 2010-02-03 Jason Merrill <jason@redhat.com>
4375 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
4376 i386_pe_maybe_record_exported_symbol.
4378 2010-02-05 Steve Ellcey <sje@cup.hp.com>
4381 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
4382 (pa_delegitimize_address): New function.
4384 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
4386 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
4387 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
4389 2010-02-05 Richard Guenther <rguenther@suse.de>
4392 * lto-streamer-in.c (get_resolution): Deal with references
4393 to undefined functions.
4395 2010-02-05 Richard Guenther <rguenther@suse.de>
4397 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
4398 (fold_const_aggregate_ref): Likewise.
4399 (ccp_fold_stmt): Substitute loads.
4400 (maybe_fold_reference): Verify types before substituting.
4402 (fold_gimple_assign): Unshare properly.
4403 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
4405 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
4407 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
4408 for rs6000_gen_cell_microcode.
4410 2010-02-04 Richard Guenther <rguenther@suse.de>
4412 PR rtl-optimization/42952
4413 * dse.c (const_or_frame_p): Remove MEM handling.
4415 2010-02-04 Nick Clifton <nickc@redhat.com>
4417 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
4418 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
4419 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
4420 (mn10300_asm_output_mi_thunk): New function.
4421 (mn10300_can_output_mu_thunk): New function.
4422 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
4423 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
4424 (FUNCTION_ARG): Delete incorrect comment.
4426 2010-02-03 Jason Merrill <jason@redhat.com>
4429 * fold-const.c (operand_equal_p): Handle erroneous types.
4431 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
4433 * config/h8300/h8300.md (can_delay): Fix attibute condition.
4435 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
4437 PR rtl-optimization/42941
4438 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
4441 2010-02-03 Jason Merrill <jason@redhat.com>
4444 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
4446 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
4449 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
4450 (cselib_reset_table): Renamed from...
4451 (cselib_reset_table_with_next_value): ... this.
4452 (cselib_get_next_uid): Renamed from...
4453 (cselib_get_next_unknown_value): ... this.
4454 * cselib.c (next_uid): Renamed from...
4455 (next_unknown_value): ... this.
4456 (cselib_clear_table): Adjust.
4457 (cselib_reset_table): Adjust. Renamed from...
4458 (cselib_reset_table_with_next_value): ... this.
4459 (cselib_get_next_uid): Adjust. Renamed from...
4460 (cselib_get_next_unknown_value): ... this.
4461 (get_value_hash): Use hash.
4462 (cselib_hash_rtx): Likewise.
4463 (new_cselib_val): Adjust. Set and dump uid.
4464 (cselib_lookup_mem): Pass next_uid as hash.
4465 (cselib_subst_to_values): Likewise.
4466 (cselib_log_lookup): Dump uid.
4467 (cselib_lookup): Pass next_uid as hash. Adjust.
4468 (cselib_process_insn): Adjust.
4469 (cselib_init): Initialize next_uid.
4470 (cselib_finish): Adjust.
4471 (dump_cselib_table): Likewise.
4472 * dse.c (canon_address): Dump value uid.
4473 * print-rtl.c (print_rtx): Print value uid.
4474 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
4476 (dv_uid): New function, sort of renamed from...
4477 (dv_htab_hash): ... this, reimplemented in terms of it and...
4478 (dv_uid2hash): ... this. New.
4479 (variable_htab_eq): Drop excess assertions.
4480 (tie_break_pointers): Removed.
4481 (canon_value_cmp): Compare uids.
4482 (variable_post_merge_New_vals): Print uids.
4483 (vt_add_function_parameters): Adjust.
4484 (vt_initialize): Reset table. Adjust.
4486 2010-02-03 Richard Guenther <rguenther@suse.de>
4488 PR tree-optimization/42944
4489 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
4490 (call_may_clobber_ref_p_1): Likewise. Properly handle
4491 malloc and calloc clobbering errno.
4493 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
4495 * doc/invoke.texi: Fix name of sched1 dump.
4497 * opts.c (decode_options): Set flag_tree_switch_conversion
4498 only conditionally on optimize >= 2.
4500 * gcse.c: Assorted comment fixes in pass description.
4502 2010-02-03 Anthony Green <green@moxielogic.com>
4504 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
4505 nop padding in order to maintain alignment of storage location of
4506 target function address.
4507 (moxie_trampoline_init): Store target function address at newly
4509 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
4511 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
4513 2010-02-03 Richard Guenther <rguenther@suse.de>
4516 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
4518 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4520 * config.gcc: Reenable check for obsolete targets.
4521 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
4522 mips-sgi-irix6.[0-4]*.
4524 2010-02-02 Nick Clifton <nickc@redhat.com>
4526 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
4527 constant size of 4 as being the same as 0.
4528 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
4529 can take values in the range 0..4.
4531 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
4534 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
4535 as _darwin10_Unwind_FindEnclosingFunction().
4536 * libgcc-libsystem.ver: New.
4538 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
4541 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
4542 implicitly set registers.
4544 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
4546 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
4547 (arm_override_options): Allow automatic selection of the thread
4548 pointer register if thumb2.
4549 (legitimize_pic_address): Improve code sequences for Thumb2.
4550 (arm_call_tls_get_addr): Likewise.
4551 (legitimize_tls_address): Likewise.
4552 * arm.md (pic_load_addr_arm): Delete. Replace with ...
4553 (pic_load_addr_32bit): ... this. New named pattern.
4554 * thumb2.md (pic_load_addr_thumb2): Delete.
4555 (pic_load_dot_plus_four): Delete.
4556 (tls_load_dot_plus_four): New named pattern.
4558 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4561 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
4562 Document fix for TLS bug.
4564 2010-01-31 Richard Guenther <rguenther@suse.de>
4566 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
4567 conservatively correct.
4569 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4573 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4575 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
4577 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4579 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
4581 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
4583 * config.gcc: Adjust order of makefile fragments for mingw targets.
4585 2010-01-31 Richard Guenther <rguenther@suse.de>
4588 * gimplify.c (gimplify_init_constructor): For volatile LHS
4589 initialize a temporary.
4591 2010-01-31 Matthias Klose <doko@ubuntu.com>
4593 * configure.ac: Fix __stack_chk_fail check for cross builds configured
4595 * configure: Regenerate.
4597 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
4599 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
4600 the same alias set and their sizes different constantness.
4601 (aliasing_component_refs_p): Revert 2009-10-24 change.
4603 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4605 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
4608 2010-01-29 Richard Guenther <rguenther@suse.de>
4610 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
4611 Assert we successfully updated the call.
4613 2010-01-29 Jakub Jelinek <jakub@redhat.com>
4615 PR rtl-optimization/42889
4616 * df.h (df_set_bb_dirty_nonlr): New prototype.
4617 * df-core.c (df_set_bb_dirty_nonlr): New function.
4618 * df-scan.c (df_insn_rescan): Call it instead of
4619 df_set_bb_dirty for DEBUG_INSNs.
4621 2010-01-29 Richard Guenther <rguenther@suse.de>
4624 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
4625 quadratic behavior in most cases.
4627 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
4630 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
4631 in the call to gen_x86_movsicc_0_m1.
4633 2010-01-28 Richard Guenther <rguenther@suse.de>
4635 PR tree-optimization/42871
4636 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
4638 2010-01-28 Richard Guenther <rguenther@suse.de>
4640 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
4641 into call arguments.
4643 2010-01-28 Richard Guenther <rguenther@suse.de>
4646 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
4647 the forwarder if the destination is an EH landing pad.
4649 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
4651 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
4652 block list passed to gimple_duplicate_sese_tail.
4653 (parallelize_loops): Avoid parallelization when the function
4655 Avoid parallelization when the preheader is IRREDUCIBLE.
4656 Try to optimize when estimated_loop_iterations_int is unresolved.
4657 Add the loop's location to the dump file.
4658 * tree-cfg.c (add_phi_args_after_redirect): Remove.
4659 (gimple_duplicate_sese_tail): Remove the check for the latch.
4660 Redirect nexits to the exit block.
4661 Remove handling of the incoming edges to the latch.
4662 Redirect the backedge from the copied latch to the exit bb.
4664 2010-01-28 Michael Matz <matz@suse.de>
4667 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
4668 Wrap force_reg into a sequence, emit it before user.
4670 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
4672 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
4674 (arm_legacy_rev): Likewise.
4675 (thumb_legacy_rev): Likewise.
4677 2010-01-27 Jakub Jelinek <jakub@redhat.com>
4679 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
4680 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
4681 on MEM's address failed, try avoid_constant_pool_reference and
4682 recurse if it returned something different.
4683 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
4684 address, try avoid_constant_pool_reference and recurse if it
4685 returned something different.
4686 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
4687 address and avoid_constant_pool_reference returned something
4688 different, don't set have_address.
4690 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
4693 * var-tracking.c (val_store): Add modified argument, obey it.
4695 (count_uses): Move down logging of main.
4696 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
4697 don't need resolution.
4698 (emit_notes_in_bb): Likewise.
4700 2010-01-27 Richard Guenther <rguenther@suse.de>
4703 * tree-inline.c (remap_decl): Delay remapping of SSA name
4704 default definitions until we need them.
4706 2010-01-27 Jakub Jelinek <jakub@redhat.com>
4708 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
4709 (rs6000_delegitimize_address): New function.
4711 * config/s390/s390.c (s390_delegitimize_address): Call
4712 delegitimize_mem_from_attrs.
4715 * tree-inline.c (cannot_copy_type_1): Removed.
4716 (copy_forbidden): Don't forbid copying of functions containing
4717 records/unions with variable length fields.
4719 2010-01-27 Christian Bruel <christian.bruel@st.com>
4723 * config/sh/sh.c (find_barrier): Increase length for non delayed
4724 conditional branches.
4726 2010-01-27 Matthias Klose <doko@ubuntu.com>
4728 * configure.ac (gnu-unique-object): Fix ldd version check.
4729 * configure: Regenerate.
4731 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4733 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
4735 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
4736 Test for HAVE_GNU_AS value.
4738 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4740 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
4741 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
4742 INT64_TYPE): Define.
4743 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
4744 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
4745 INT_LEAST64_TYPE): Define.
4746 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
4747 UINT_LEAST64_TYPE): Define.
4748 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
4749 INT_FAST64_TYPE): Define.
4750 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
4751 UINT_FAST64_TYPE): Define.
4752 (INTMAX_TYPE, UINTMAX_TYPE): Define.
4753 (INTPTR_TYPE, UINTPTR_TYPE): Define.
4754 (SIG_ATOMIC_TYPE): Define.
4756 2010-01-26 Richard Guenther <rguenther@suse.de>
4758 * df-scan.c (df_scan_set_bb_info): Remove assert.
4759 (df_insn_rescan_debug_internal): Merge asserts.
4760 (df_install_ref): Likewise.
4761 (df_mark_reg): Use bitmap_set_range.
4762 (df_hard_reg_used_p): Remove assert.
4763 (df_hard_reg_used_count): Likewise.
4765 2010-01-26 Richard Guenther <rguenther@suse.de>
4767 PR rtl-optimization/42685
4768 * web.c (web_main): Ignore DEBUG_INSNs.
4770 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
4772 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
4774 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
4775 Fix types of fndecl and arglist parameters.
4777 2010-01-26 Richard Guenther <rguenther@suse.de>
4780 * tree-eh.c (unsplit_eh): Skip debug insns.
4782 2010-01-26 Richard Guenther <rguenther@suse.de>
4784 PR tree-optimization/42250
4785 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
4787 2010-01-26 Jakub Jelinek <jakub@redhat.com>
4790 * omp-low.c (expand_omp_sections): Only use single_pred if
4791 l2_bb is single_pred_p.
4793 2010-01-25 Christian Bruel <christian.bruel@st.com>
4796 * config/sh/sh.c (find_barrier): Increase length for non delayed
4797 conditional branches.
4798 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
4800 2010-01-24 David S. Miller <davem@davemloft.net>
4802 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
4803 define if not using GAS.
4804 * config/sparc/sparc.c (sparc_elf_asm_named_section):
4805 Likewise. Delete SECTION_MERGE code, which is only applicable
4808 2010-01-24 Mark Mitchell <mark@codesourcery.com>
4811 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
4812 mangling of va_list in system headers.
4814 2010-01-23 Toon Moene <toon@moene.org>
4816 * tree-predcom.c (combine_chains): Return NULL, not false.
4818 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
4820 * tree-loop-distribution.c (distribute_loop): Fix declaration and
4821 initialization of variable res to agree with return type.
4823 2010-01-22 Steve Ellcey <sje@cup.hp.com>
4825 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
4826 * tree-sra.c: Add include of expr.h.
4828 2010-01-22 Jakub Jelinek <jakub@redhat.com>
4830 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
4831 insert the debug stmt on the single non-EH edge from the stmt.
4833 2010-01-22 Richard Henderson <rth@redhat.com>
4836 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
4837 the RHS until after generate_subtree_copies has insertted its
4838 code before the current statement.
4840 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
4842 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
4844 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
4846 2010-01-21 Martin Jambor <mjambor@suse.cz>
4848 PR tree-optimization/42585
4849 * tree-sra.c (struct access): New field grp_total_scalarization.
4850 (dump_access): Dump the new field.
4851 (should_scalarize_away_bitmap): New variable.
4852 (cannot_scalarize_away_bitmap): Likewise.
4853 (sra_initialize): Allocate new bitmaps.
4854 (sra_deinitialize): Free new bitmaps.
4855 (create_access_1): New function.
4856 (create_access): Parts moved to create_access_1.
4857 (type_consists_of_records_p): New function.
4858 (completely_scalarize_record): Likewise.
4859 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
4860 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
4861 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
4863 (analyze_all_variable_accesses): Completely scalarize small eligible
4866 2010-01-21 Martin Jambor <mjambor@suse.cz>
4868 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
4870 2010-01-21 Andrew Haley <aph@redhat.com>
4872 * gcc.c (process_command): Move lang_specific_driver before
4873 setting cc_libexec_prefix.
4875 2010-01-21 Richard Guenther <rguenther@suse.de>
4878 * fold-const.c (negate_expr_p): Pretend only negative
4879 real constants are easily negatable.
4881 2010-01-20 Janis Johnson <janis187@us.ibm.com>
4882 Jason Merrill <jason@redhat.com>
4884 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
4885 (TYPE_TRANSPARENT_AGGR): this, for union and record.
4886 * calls.c (initialize argument_information): Handle it.
4887 * c-common.c (handle_transparent_union_attribute): Use new name.
4888 * c-decl.c (finish_struct): Ditto.
4889 * c-typeck.c (type_lists_compatible_p): Ditto.
4890 (convert_for_assignment): Use new name and also handle record.
4891 * function.c (aggregate_value_p): Handle it.
4892 (pass_by_reference): Ditto.
4893 (assign_parm_data_types): Ditto.
4894 * print-tree.c (print_node): Ditto.
4895 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
4896 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
4897 * tree.c (first_field): New fn.
4899 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
4902 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
4903 even when linking statically, for now.
4905 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
4908 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
4909 without a cselib val.
4910 (count_uses): Accept MO_VAL_SET with no val on stores.
4911 (add_stores): Likewise.
4913 2010-01-20 Jakub Jelinek <jakub@redhat.com>
4915 * var-tracking.c (check_value_val): Add a compile time assertion.
4916 (dv_is_decl_p): Simplify.
4917 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
4918 gcc_assert if ENABLE_CHECKING.
4920 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
4923 * var-tracking.c: Include tree-flow.h.
4924 (mem_dies_at_call): New.
4925 (dataflow_set_preserve_mem_locs): Use it.
4926 (dataflow_set_remove_mem_locs): Likewise.
4927 (dump_var): Renamed from dump_variable. Adjust all callers.
4928 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
4929 * Makefile.in (var-tracking.o): Adjust deps.
4931 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
4933 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
4935 2010-01-20 Richard Guenther <rguenther@suse.de>
4937 PR tree-optimization/42717
4938 * tree-ssa-dce.c (get_live_post_dom): Remove.
4939 (forward_edge_to_pdom): Take an arbitrary edge to copy
4940 degenerate PHI args from.
4941 (remove_dead_stmt): Use the first post-dominator even if it
4942 does not contain live statements as redirection destination.
4944 2010-01-20 Richard Guenther <rguenther@suse.de>
4946 * tree-inline.c (estimate_num_insns): Handle EH builtins.
4948 2010-01-20 Jakub Jelinek <jakub@redhat.com>
4950 * sel-sched.c (create_speculation_check): Remove set but not used
4952 (try_transformation_cache): Remove set but not used variable ds.
4953 (calculate_privileged_insns): Remove set but not used variables
4954 cur_insn and min_spec_insn.
4955 (find_best_expr): Remove set but not used variable avail_n.
4956 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
4958 * cgraphunit.c (assemble_thunk): Remove set but not used variable
4960 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
4961 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
4964 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
4967 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
4968 cpu types. Add support for *-sse3 cpu types.
4969 (x86_64-*-*): Ditto.
4971 2010-01-20 Jakub Jelinek <jakub@redhat.com>
4974 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
4975 argument, call initializer_constant_valid_p_1 instead of
4976 initializer_constant_valid_p, pass CACHE to it, return NULL
4977 immediately if first call returns NULL.
4978 (initializer_constant_valid_p_1): New function.
4979 (initializer_constant_valid_p): Use it.
4981 2010-01-20 Thomas Quinot <quinot@adacore.com>
4983 * tree.def (PLACEHOLDER_EXPR): Fix comment.
4985 2010-01-20 Jakub Jelinek <jakub@redhat.com>
4987 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
4988 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
4989 (loc_list_from_tree): Don't handle unsigned division. Handle
4990 signed modulo using DW_OP_{over,over,div,mul,minus}.
4991 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
4992 modulo instead of signed.
4994 2010-01-20 DJ Delorie <dj@redhat.com>
4996 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
4998 (h8300_emit_stack_adjustment): Propogate it.
5000 (h8300_expand_prologue): Likewise.
5001 (h8300_expand_epilogue): Likewise.
5003 2010-01-19 Michael Matz <matz@suse.de>
5005 PR tree-optimization/41783
5006 * tree-data-ref.c (toplevel): Include flags.h.
5007 (dump_data_dependence_relation): Also dump the inputs if the
5008 result will be unknown.
5009 (split_constant_offset_1): Look through some conversions.
5010 * tree-predcom.c (determine_roots_comp): Restart a new chain if
5011 the offset from last element is too large.
5012 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
5013 (reassociate_to_the_same_stmt): Handle vector registers.
5014 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
5016 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
5017 wide_prolog_niters argument, emit widening instructions.
5018 (vect_do_peeling_for_alignment): Adjust caller, use widened
5019 variant of the iteration cound.
5020 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
5022 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5025 * config/arm/neon-testgen.m (emit_automatics): New parameter
5026 features. Adjust for Fixed_return_reg feature.
5027 (test_intrinsic): Call emit_automatics with new feature.
5028 * config/arm/neon.ml: Update copyright years.
5029 (features): New Fixed_return_reg feature.
5030 (ops): Update feature for Vget_low.
5032 2010-01-19 Jakub Jelinek <jakub@redhat.com>
5034 PR tree-optimization/42719
5035 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
5039 * fwprop.c (all_uses_available_at): Return false if def_set dest
5040 is a REG that is used in def_insn.
5042 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
5044 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
5046 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
5049 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
5051 * target.h (struct gcc_target) <secondary_reload>: Change type
5052 of last argument to secondary_reload_info *.
5054 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
5057 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
5058 memory references with unaligned offsets. Remove CQImode handling.
5059 (unaligned_memory_operand): Return 1 for memory references with
5060 unaligned offsets. Remove CQImode handling.
5062 2010-01-18 Richard Guenther <rguenther@suse.de>
5065 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
5068 2010-01-18 Richard Guenther <rguenther@suse.de>
5070 PR tree-optimization/42781
5071 * tree-ssa-structalias.c (find_what_var_points_to): Skip
5072 restrict processing only if the original variable was artificial.
5074 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
5076 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
5077 find number of popped argument bytes.
5079 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
5080 Fix the text that describes the return value for invalid insns.
5082 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
5084 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
5085 Clarify what 'cost of the -dependence' is. Fix quoting.
5087 * toplev.c (default_get_pch_validity): Rename argument to "sz".
5088 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
5090 2010-01-17 Jakub Jelinek <jakub@redhat.com>
5092 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
5093 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
5095 2010-01-17 Richard Guenther <rguenther@suse.de>
5098 * function.c (split_complex_args): Take a VEC to modify.
5099 (assign_parms_augmented_arg_list): Build a VEC instead of
5100 a chain of PARM_DECLs.
5101 (assign_parms_unsplit_complex): Take a VEC of arguments.
5102 Do not fixup unmodified parms.
5103 (assign_parms): Deal with the VEC.
5104 (gimplify_parameters): Likewise.
5106 2010-01-17 Richard Guenther <rguenther@suse.de>
5108 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
5109 node existence check.
5110 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
5111 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
5112 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
5113 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
5114 (gimple_execute_on_growing_pred): Likewise.
5116 2010-01-17 Richard Guenther <rguenther@suse.de>
5118 PR tree-optimization/42773
5119 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
5120 (compute_antic_aux): Likewise.
5121 (compute_partial_antic_aux): Likewise.
5123 2010-01-17 Jie Zhang <jie.zhang@analog.com>
5126 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
5129 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
5131 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
5134 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
5135 Fix markup for strict argument.
5137 (TARGET_SCHED_REORDER2): Fix argument types.
5139 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
5140 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
5142 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
5143 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
5145 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
5148 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
5149 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
5150 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
5151 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
5152 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
5154 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
5156 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
5158 (TARGET_ASM_RELOC_RW_MASK): Add return type.
5159 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
5161 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
5163 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
5166 (TARGET_ASM_NAMED_SECTION): Fix argument list.
5168 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
5169 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
5171 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
5173 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
5175 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
5176 referring to it. Fix language.
5178 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
5180 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
5182 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
5184 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
5186 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
5187 '@var{stream}. Remove stray 'and'.
5189 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
5191 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
5193 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
5195 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
5196 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
5198 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
5199 Fix description of return value.
5200 Rename argument "sz" to "len."
5202 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
5203 Clarify meaning of 'true' return value.
5205 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
5207 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
5208 rep_mode versus mode_rep.
5210 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
5212 (TARGET_BUILTIN_DECL): Fix name.
5214 (TARGET_COMMUTATIVE_P): Fix type of first argument.
5216 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
5218 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
5220 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
5222 (TARGET_RELAXED_ORDERING): Use @deftypevr.
5224 (TARGET_GET_DRAP_RTX): Note that this is a hook.
5227 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
5228 Rename argument tm_fn to md_fn.
5230 (TARGET_OPTION_PRINT): Fix argument list.
5232 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
5235 * config/i386/i386.c (ix86_fixup_binary_operands):
5236 Revert FMA4 fixup of operands.
5238 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5241 * Makefile.in (write_entries_to_file, install-plugin):
5242 Use \012 instead of \n with tr.
5244 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
5246 * configure.ac (HAVE_AS_REF): New C macro.
5247 * configure: Regenerate.
5248 * config.in: Likewise.
5249 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
5251 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
5254 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
5256 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
5258 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
5260 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
5262 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
5264 (TARGET_IN_SMALL_DATA_P): Fix argument type.
5266 (TARGET_BINDS_LOCAL_P): Fix argument type.
5268 (TARGET_ASM_FILE_END): Use prototype.
5270 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
5272 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
5274 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
5276 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
5278 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
5279 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
5281 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
5282 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
5284 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
5285 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
5286 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
5287 (TARGET_ADDR_SPACE_CONVERT): Likewise.
5289 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
5291 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
5293 (TARGET_INIT_BUILTINS): Use prototype.
5295 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
5296 Put 'const char *' in braces. Fix parameter types.
5297 (TARGET_INVALID_CONVERSION): Fix parameter types.
5298 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
5299 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
5301 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
5304 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
5306 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
5308 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
5310 * doc/tm.texi (TARGET_HELP): Fix return type.
5312 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
5313 in braces. Fix argument types.
5315 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
5317 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
5319 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
5321 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
5322 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
5324 (TARGET_MANGLE_TYPE): Fix argument types.
5326 (TARGET_IRA_COVER_CLASSES): Use prototype.
5328 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
5330 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
5332 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
5334 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
5336 (TARGET_CALLEE_COPIES): Fix argument types.
5338 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
5340 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
5342 (TARGET_FUNCTION_VALUE): Fix argument types.
5344 (TARGET_RETURN_IN_MSB): Fix argument type.
5346 (TARGET_RETURN_IN_MEMORY): Fix argument types.
5348 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
5350 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
5352 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
5353 agree with return type.
5355 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
5357 2010-01-15 Jing Yu <jingyu@google.com>
5359 PR rtl-optimization/42691
5360 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
5361 a pseudo to a constant and are merged, and adjust comments.
5363 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
5365 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
5367 2010-01-15 Richard Guenther <rguenther@suse.de>
5370 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
5371 labels of computed or non-local gotos to the destination.
5372 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
5373 landing pad label is the first label.
5375 2010-01-15 Richard Guenther <rguenther@suse.de>
5377 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
5379 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
5382 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
5383 to allow generation of the xssqrtdp instruction on power7.
5384 (sqrtdf2_fpr): Ditto.
5386 2010-01-14 Jakub Jelinek <jakub@redhat.com>
5389 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
5390 functions with noreturn attribute.
5393 * varasm.c (declare_weak): Add weak attribute to decl if it
5394 doesn't have one already.
5395 (assemble_external): Only add decls to weak_decls if they also
5396 have weak attribute.
5398 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
5400 * var-tracking.c (var_reg_delete): Don't delete the association
5401 between REGs and values or one-part variables if the register
5404 2010-01-14 Jakub Jelinek <jakub@redhat.com>
5407 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
5408 because its first operand is a non-localized variable.
5410 2010-01-14 Martin Jambor <mjambor@suse.cz>
5412 PR tree-optimization/42706
5413 * tree-sra.c (encountered_recursive_call): New variable.
5414 (encountered_unchangable_recursive_call): Likewise.
5415 (sra_initialize): Initialize both new variables.
5416 (callsite_has_enough_arguments_p): New function.
5417 (scan_function): Call decl and flags check only for IPA-SRA, check
5418 whether there is a recursive call and whether it has enough arguments.
5419 (all_callers_have_enough_arguments_p): New function.
5420 (convert_callers): Look for recursive calls only when
5421 encountered_recursive_call is set.
5422 (ipa_early_sra): Bail out either if
5423 !all_callers_have_enough_arguments_p or
5424 encountered_unchangable_recursive_call.
5426 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5428 * sel-sched.c: Add 2010 to copyright years.
5429 * sel-sched-ir.c: Likewise.
5430 * sel-sched-ir.h: Likewise.
5432 2010-01-14 Martin Jambor <mjambor@suse.cz>
5434 PR tree-optimization/42714
5435 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
5436 constructors specially.
5438 2010-01-14 Andi Kleen <ak@linux.intel.com>
5440 * config/i386/drivers-i386.c (detect_caches_intel):
5441 Add l2sizekb parameter and fill in.
5442 (host_detect_local_cpu): Add l2sizekb, fill in.
5443 Add Atom small cache heuristic.
5445 2010-01-14 Andi Kleen <ak@linux.intel.com>
5447 * config/i386/drivers-i386.c (detect_caches_cpuid4):
5448 Add level3 parameter and fill in.
5449 (detect_caches_intel): Handle level3 cache.
5451 2010-01-14 Andi Kleen <ak@linux.intel.com>
5453 * config/i386/drivers-i386.c (host_detect_local_cpu):
5454 Fix core duo detection.
5456 2010-01-14 Andi Kleen <ak@linux.intel.com>
5458 * config/i386/drivers-i386.c (host_detect_local_cpu):
5461 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5463 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
5464 (rs6000_variable_issue_1): this. Use...
5465 (rs6000_variable_issue): here. Reimplement. Print debug info.
5467 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5469 * sel-sched-ir.c (sel_restore_other_notes): Rename to
5470 sel_restore_notes. Update all callers. Call reemit_notes
5473 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5475 PR rtl-optimization/42246
5476 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
5479 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5481 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
5482 all successors is the same as number of successors in current region.
5484 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5486 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
5487 to rename is not separable. Otherwise check that its LHS is not NULL.
5489 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5491 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
5493 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5495 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
5496 available registers when failed to discover LHS register class.
5497 Fix indentation. Update comment.
5499 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5500 Alexander Monakov <amonakov@ispras.ru>
5502 PR rtl-optimization/42389
5503 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
5505 (advance_state_on_fence): Likewise.
5506 (sel_target_adjust_priority): Print debug output only when
5507 sched_verbose >= 4, not 2.
5508 (get_expr_cost): Do not issue all unique insns on the next cycle.
5509 (fill_insns): Initialize can_issue_more from the value saved
5511 * sel-sched-ir.c (flist_add): New parameter issue_more.
5512 Init FENCE_ISSUE_MORE with it.
5513 (merge_fences): Likewise.
5514 (init_fences): Update call to flist_add.
5515 (add_to_fences, add_clean_fence_to_fences)
5516 (add_dirty_fence_to_fences): Likewise.
5517 (move_fence_to_fences): Update call to merge_fences.
5518 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
5520 * sel-sched-ir.h (struct _fence): New field issue_more.
5521 (FENCE_ISSUE_MORE): New accessor macro.
5523 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5525 PR rtl-optimization/42388
5526 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
5527 that have no predecessors nor successors. Do not call move_bb_info
5528 for empty blocks outside of current region.
5530 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5532 PR rtl-optimization/42294
5533 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
5534 * sel-sched.c (move_exprs_to_boundary): Transitively add all
5535 originators' originators.
5537 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5539 PR rtl-optimization/39453
5540 PR rtl-optimization/42246
5541 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
5543 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
5545 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5546 Alexander Monakov <amonakov@ispras.ru>
5549 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
5550 (maybe_tidy_empty_bb): ... here. Make static. Add new
5551 argument. Update all callers.
5552 (tidy_control_flow): ... and here. Recompute topological order
5553 of basic blocks in region if necessary.
5554 (sel_redirect_edge_and_branch): Change return type. Return true
5555 if topological order might have been invalidated.
5556 (purge_empty_blocks): Export and move from...
5557 * sel-sched.c (purge_empty_blocks): ... here.
5558 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
5559 (maybe_tidy_empty_bb): Delete prototype.
5560 (purge_empty_blocks): Declare.
5562 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5564 PR rtl-optimization/42249
5565 * sel-sched.c (try_replace_dest_reg): When chosen register
5566 and original register is the same, do not bail out early, but
5567 still check all original insns for validity of replacing destination
5568 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
5571 2010-01-14 Jakub Jelinek <jakub@redhat.com>
5574 Port from no-undefined-overflow branch:
5575 2009-03-09 Richard Guenther <rguenther@suse.de>
5577 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
5579 2010-01-14 Richard Guenther <rguenther@suse.de>
5582 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
5584 2010-01-14 Ira Rosen <irar@il.ibm.com>
5586 PR tree-optimization/42709
5587 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
5588 as scalar type in creation of constant vector operand.
5590 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5593 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
5594 (check-parallel-%): Match `testsuite' directory component only
5597 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
5599 PR translation/39521
5600 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
5603 2010-01-13 Richard Guenther <rguenther@suse.de>
5605 PR tree-optimization/42730
5606 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
5609 2010-01-13 Steve Ellcey <sje@cup.hp.com>
5612 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
5613 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
5616 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
5618 * config/bfin/libgcc-bfin.ver: Regenerate based on current
5619 libgcc-std.ver. Add entries for ___smulsi3_highpart and
5620 ___umulsi3_highpart.
5622 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
5623 rather than schedule_insns if the pass is enabled.
5625 2010-01-13 Martin Jambor <mjambor@suse.cz>
5627 PR tree-optimization/42704
5628 * tree-sra.c (sra_modify_assign): Do not delete assignments to
5631 2010-01-13 Martin Jambor <mjambor@suse.cz>
5633 PR tree-optimization/42703
5634 * tree-sra.c (analyze_access_subtree): Check that we can build a
5635 reference to the original data within the aggregate.
5637 2010-01-13 Richard Guenther <rguenther@suse.de>
5639 PR tree-optimization/42705
5640 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
5642 2010-01-13 Richard Guenther <rguenther@suse.de>
5645 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
5647 2010-01-13 Jakub Jelinek <jakub@redhat.com>
5650 * var-tracking.c (values_to_unmark): New variable.
5651 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
5652 values_to_unmark vector. Moved body to...
5653 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
5654 instead queue it into values_to_unmark vector.
5655 (vt_find_locations): Free values_to_unmark vector.
5657 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
5659 * config/s390/s390.c (override_options): Set
5660 default of max-pending-list-length to 256
5662 2010-01-13 Richard Guenther <rguenther@suse.de>
5665 * tree-pass.h (PROP_gimple_lcx): New.
5666 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
5667 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
5668 before the final cleanup_eh.
5669 (dump_properties): Dump PROP_gimple_lcx.
5670 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
5671 (tree_lower_complex_O0): Remove.
5672 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
5673 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
5674 tree_lower_complex, schedule TODO_update_ssa.
5675 * lto-streamer-out.c (output_function): Stream the functions
5677 * lto-streamer-in.c (input_function): Likewise.
5678 (lto_read_body): Do not override them here.
5680 2010-01-12 Joseph Myers <joseph@codesourcery.com>
5683 * c-typeck.c (build_c_cast): Fold value cast to union type before
5684 wrapping it in a CONSTRUCTOR.
5686 2010-01-12 Jakub Jelinek <jakub@redhat.com>
5688 PR rtl-optimization/42699
5689 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
5692 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5694 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
5695 SUBTARGET_WARN_UNUSED_SPEC): Move ...
5696 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
5697 SUBTARGET_WARN_UNUSED_SPEC): ... here
5698 * config/mips/iris5.h (LIBGCC_SPEC): Define.
5700 2010-01-12 Julian Brown <julian@codesourcery.com>
5702 * config/arm/neon-schedgen.ml (Utils): Don't try to
5703 open missing module.
5704 (find_with_result): New.
5706 2010-01-12 Jakub Jelinek <jakub@redhat.com>
5709 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
5710 sharing when canonicalizing ({lt,ge}u (plus a b) b).
5712 PR tree-optimization/42645
5713 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
5714 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
5715 decl_map, set processing_debug_stmt to -1 and return name without
5718 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
5720 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
5721 binutils version, and reword target configuration description.
5723 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
5725 * config/avr/avr.h (LINKER_NAME): Remove.
5727 2010-01-11 Janis Johnson <janis187@us.ibm.com>
5730 * config/rs6000/rs6000.c (rs6000_override_options): On targets
5731 that support VSX, warn for -mno-altivec if vsx is not disabled,
5734 2010-01-11 Joseph Myers <joseph@codesourcery.com>
5735 Shujing Zhao <pearly.zhao@oracle.com>
5737 PR translation/42469
5738 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
5739 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
5740 character between option name and help text.
5741 * c.opt (imultilib): Likewise.
5743 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
5745 * lto-streamer-out.c (output_unreferenced_globals): Output static
5748 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
5750 PR rtl-optimization/42621
5751 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
5752 optimizing for size.
5753 (duplicate_computed_gotos): Remove now-redundant check.
5755 2010-01-10 Steve Ellcey <sje@cup.hp.com>
5758 * configure.ac: Save and restore LDFLAGS and LIBS
5759 * configure: Regenerate.
5761 2010-01-10 Richard Guenther <rguenther@suse.de>
5764 * builtins.c (fold_builtin_strlen): Add type argument and
5765 convert the resulting length to it.
5766 (fold_builtin_1): Adjust.
5768 2010-01-09 Jakub Jelinek <jakub@redhat.com>
5770 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
5771 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
5773 (num_insns_constant_wide): Adjust for that change.
5775 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5778 * web.c (union_defs): Add used argument, to combine uses of
5780 (entry_register): Adjust type and tests of used argument.
5781 (web_main): Widen used for new use. Pass it to union_defs.
5782 * df.h (union_defs): Adjust prototype.
5784 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5787 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
5788 uses in new incoming argument. Free body.
5789 (reset_debug_uses_in_loop): New.
5790 (analyze_insn_to_expand_var): Call the latter if the former found
5791 anything. Fix whitespace. Reject invalid dest overlaps before
5792 going through all insns in the loop.
5794 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5797 * haifa-sched.c (dying_use_p): Debug insns don't count.
5799 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5802 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
5803 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
5804 (verify_gimple_call): Reject LHS in noreturn calls.
5806 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5810 * tree-vect-loop-manip.c (adjust_info): New type.
5811 (adjust_vec): New pointer to vector.
5812 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
5813 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
5814 (slpeel_update_phis_for_duplicate_loop): Use them.
5815 (slpeel_update_phi_nodes_for_guard1): Likewise.
5816 (slpeel_update_phi_nodes_for_guard2): Likewise.
5817 (slpeel_tree_peel_loop_to_edge): Likewise.
5818 (vect_update_ivs_after_vectorizer): Likewise.
5820 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5822 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
5823 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
5825 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5827 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
5828 bogus uninitialized warning.
5830 2010-01-09 Richard Guenther <rguenther@suse.de>
5833 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
5834 the evolution is compatible with the initial condition.
5836 2010-01-09 Jakub Jelinek <jakub@redhat.com>
5838 * gcc.c (process_command): Update copyright notice dates.
5839 * gcov.c (print_version): Likewise.
5840 * gcov-dump.c (print_version): Likewise.
5841 * mips-tfile.c (main): Likewise.
5842 * mips-tdump.c (main): Likewise.
5844 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
5847 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
5849 (rotlhi3_8): Delete.
5851 (rotlsi3_8): Delete.
5852 (rotlsi3_16): Delete.
5853 (rotlsi3_24): Delete.
5855 (*rotw<mode>3): New.
5856 (*rotb<mode>3): New.
5857 * config/avr/avr.c (avr_rotate_bytes): New function.
5858 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
5860 2010-01-08 Steve Ellcey <sje@cup.hp.com>
5863 * configure.ac: Modify -rdynamic check.
5864 * configure: Regenerate.
5866 2010-01-08 DJ Delorie <dj@redhat.com>
5868 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
5869 register popping order.
5871 2010-01-08 Richard Guenther <rguenther@suse.de>
5874 * c.opt (fsigned-char): Also let LTO handle this option.
5875 (funsigned-char): Likewise.
5877 2010-01-07 Richard Guenther <rguenther@suse.de>
5879 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
5880 (gimple_op): Likewise.
5881 (gimple_op_ptr): Likewise.
5882 (gimple_assign_set_lhs): Remove gcc_assert.
5883 (gimple_assign_set_rhs1): Likewise.
5884 (gimple_assign_set_rhs2): Likewise.
5885 (gimple_call_set_lhs): Likewise.
5886 (gimple_call_set_fn): Likewise.
5887 (gimple_call_set_fndecl): Likewise.
5888 (gimple_call_fndecl): Likewise.
5889 (gimple_call_return_type): Likewise.
5890 (gimple_call_set_chain): Likewise.
5891 (gimple_call_num_args): Likewise.
5892 (gimple_call_set_arg): Likewise.
5893 (gimple_cond_set_code): Likewise.
5894 (gimple_cond_set_lhs): Likewise.
5895 (gimple_cond_set_rhs): Likewise.
5896 (gimple_cond_set_true_label): Likewise.
5897 (gimple_cond_set_false_label): Likewise.
5898 (gimple_label_set_label): Likewise.
5899 (gimple_goto_set_dest): Likewise.
5900 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
5901 (gimple_debug_bind_get_value): Likewise.
5902 (gimple_debug_bind_get_value_ptr): Likewise.
5903 (gimple_debug_bind_set_var): Likewise.
5904 (gimple_debug_bind_set_value): Likewise.
5905 (gimple_debug_bind_reset_value): Likewise.
5906 (gimple_debug_bind_has_value_p): Likewise.
5907 (gimple_return_retval_ptr): Remove gcc_assert.
5908 (gimple_return_retval): Likewise.
5909 (gimple_return_set_retval): Likewise.
5910 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
5911 (safe_referenced_var_iterator): Remove.
5912 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
5913 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
5914 (fill_referenced_var_vec): Remove.
5915 (first_readonly_imm_use): Remove redundant gcc_assert.
5916 (phi_arg_index_from_use): Combine gcc_asserts.
5917 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
5918 (first_imm_use_stmt): Remove redundant gcc_assert.
5919 * tree-cfg.c (verify_gimple_call): Verify function and chain
5920 operands. Verify arguments.
5921 (verify_types_in_gimple_stmt): Verify condition code and labels.
5923 2010-01-07 Richard Guenther <rguenther@suse.de>
5925 PR tree-optimization/42641
5926 * sese.c (rename_map_elt_info): Use the SSA name version, do
5929 2010-01-07 Jakub Jelinek <jakub@redhat.com>
5931 PR tree-optimization/42625
5932 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
5933 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
5935 2010-01-07 Duncan Sands <baldrick@free.fr>
5937 * Makefile.in (PLUGIN_HEADERS): Add version.h.
5939 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
5942 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
5943 note itself is not function_invariant_p.
5945 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
5947 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
5948 Do not add the DF_NOTE problem.
5949 * store-motion.c (execute_rtl_store_motion): Likewise.
5951 2010-01-07 Martin Jambor <mjambor@suse.cz>
5953 PR tree-optimization/42157
5954 * tree-sra.c (compare_access_positions): Stabilize sort if both
5955 accesses have integer types, return zero immediately if they are the
5958 2010-01-06 Richard Henderson <rth@redhat.com>
5961 * haifa-sched.c (add_to_note_list): Merge into ...
5962 (concat_note_lists): ... here, and ...
5963 (unlink_other_notes, rm_other_notes): Merge into...
5964 (remove_notes): ... here. Create REG_SAVE_NOTEs for
5965 NOTE_INSN_EPILOGUE_BEG.
5967 2010-01-06 Richard Guenther <rguenther@suse.de>
5969 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
5970 not inline regular functions into always-inline functions.
5972 2010-01-06 Nick Clifton <nickc@redhat.com>
5974 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
5975 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
5977 (OVERRIDE_OPTIONS): Delete.
5978 (OPTIMIZATION_OPTIONS): Define.
5979 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
5980 * config/rx/rx.c (rx_handle_option): Issue an error message if
5981 -mcpu=rx200 and -fpu are used together.
5982 (rx_set_optimization_options): New function. Issue an error
5983 message if an optimization attribute attempts to reset the FPU/
5984 math optimization pairing.
5985 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
5986 * config/rx/rx.opt: Set the default to 32-bit doubles.
5987 * config/rx/t-rx: Add multilibs for -nofpu option.
5988 * doc/invoke.texi: Update documentation of RX options.
5990 2010-01-06 Richard Guenther <rguenther@suse.de>
5992 * tree-ssa-pre.c (name_to_id): New global.
5993 (alloc_expression_id): Simplify SSA name handling.
5994 (lookup_expression_id): Likewise.
5995 (init_pre): Zero name_to_id.
5996 (fini_pre): Free it.
5998 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
6000 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
6002 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
6005 * config/i386/sse.md (smaxv2di3): New.
6006 (umaxv2di3): Likewise.
6007 (sminv2di3): Likewise.
6008 (uminv2di3): Likewise.
6010 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
6013 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
6014 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
6015 (legitimize_tls_address): Likewise.
6016 (sparc_tls_referenced_p): Likewise.
6017 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
6018 and adjust calls to legitimize_pic_address.
6019 (legitimate_constant_p) Use sparc_tls_referenced_p.
6020 (legitimate_pic_operand_p): Likewise.
6021 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
6022 (sparc_tls_symbol_ref_1): Delete.
6023 (sparc_tls_referenced_p): Make static, recognize specific patterns.
6024 (legitimize_tls_address): Make static, handle CONST patterns.
6025 (legitimize_pic_address): Make static, remove unused parameter and
6026 adjust recursive calls.
6027 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
6028 and adjust call to legitimize_pic_address.
6029 (sparc_output_mi_thunk): Likewise.
6031 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
6032 H.J. Lu <hongjiu.lu@intel.com>
6035 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
6036 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
6037 operands to make them signed.
6040 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6043 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
6044 GTU to GT for V4SI and V2DI.
6046 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
6047 (umin<mode>3): Removed.
6049 (uminv4si3): Likewise.
6051 2010-01-05 Martin Jambor <mjambor@suse.cz>
6053 PR tree-optimization/42462
6054 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
6055 current_function_decl to helper functions and macros.
6057 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6060 * flags.h: Don't include real.h.
6061 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
6062 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
6063 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
6064 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
6065 * dominance.c: Update copyright.
6066 * gimple.c (walk_gimple_op): Remove inline.
6067 * tree-ssa-reassoc.c: Include real.h.
6068 * Makefile.in (FLAGS_H): Remove $(REAL_H).
6069 (tree-ssa-reassoc.o): Depend on $(REAL_H).
6071 2010-01-05 Nick Clifton <nickc@redhat.com>
6073 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
6074 register to push into the stack frame when the accumulator has to
6075 be saved during interrupts.
6077 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
6079 * doc/invoke.texi: Remove the documentation about option
6081 * common.opt (Wunreachable-code): Preserved for backward
6083 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
6084 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
6085 the backward compatibility flag section.
6087 2010-01-05 Richard Guenther <rguenther@suse.de>
6089 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
6091 2010-01-05 Jakub Jelinek <jakub@redhat.com>
6094 * cfgexpand.c (expand_one_var): Diagnose too large variables.
6096 PR tree-optimization/42508
6097 * tree-sra.c (convert_callers): Check for recursive call
6098 by comparing cgraph nodes instead of decls.
6099 (modify_function): Call ipa_modify_formal_parameters also
6100 on all same_body aliases.
6102 * cgraphunit.c (cgraph_materialize_all_clones): Compare
6103 cgraph nodes when checking for same_body aliases.
6105 2010-01-05 Richard Guenther <rguenther@suse.de>
6107 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
6108 allocation and lookup.
6109 (get_or_alloc_expr_for_constant): Likewise.
6110 (phi_translate): Sink allocation.
6112 2010-01-04 Richard Guenther <rguenther@suse.de>
6114 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
6115 a new entry only if needed.
6116 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
6117 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
6119 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
6121 (phi_translate): Handle CONSTANTs early.
6123 2010-01-04 Martin Jambor <mjambor@suse.cz>
6125 PR tree-optimization/42398
6126 * tree-sra.c (struct access): Removed flag grp_different_types.
6127 (dump_access): Do not dump the removed flag.
6128 (sort_and_splice_var_accesses): Do not set the removed flag.
6129 (sra_modify_expr): Check for type compatibility directly.
6131 2010-01-04 Martin Jambor <mjambor@suse.cz>
6133 PR tree-optimization/42366
6134 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
6135 edges with variable number of parameters.
6136 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
6137 flag instead of asserting it.
6138 (ipa_read_node_info): Read uses_analysis_done flag.
6140 2010-01-04 Richard Guenther <rguenther@suse.de>
6142 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
6143 iterative_hash_* as intended.
6144 (vn_reference_compute_hash): Likewise. Simplify hashing
6146 (vn_reference_lookup_2): Likewise.
6147 (vn_nary_op_compute_hash): Likewise.
6148 (vn_phi_compute_hash): Likewise.
6149 (expressions_equal_p): Remove strange code.
6150 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
6151 (pre_expr_hash): Likewise. Simplify hashing SSA names.
6152 (bitmap_insert_into_set_1): Take value-id as parameter.
6153 (add_to_value): Pass it.
6154 (bitmap_insert_into_set): Likewise.
6155 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
6157 2010-01-04 Jakub Jelinek <jakub@redhat.com>
6160 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
6161 (do_self_spec): For switches with SWITCH_IGNORE set set also
6162 SWITCH_IGNORE_PERMANENTLY.
6163 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
6166 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
6168 * lto-streamer-out.c (output_unreferenced_globals): Output the full
6169 tree of an unreferenced global var.
6171 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6174 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
6175 GTU to GT for V4SI and V2DI.
6177 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
6178 (umin<mode>3): Removed.
6180 (uminv4si3): Likewise.
6182 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6185 * collect2.c (main): Turn on trace in collect2 if -v is passed
6188 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
6190 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
6191 description of expression operand.
6193 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
6195 * configure.ac: Add install-html to target_list for Make-hooks.
6196 * configure: Regenerate.
6197 * fortran/Make-lang.in (F95_HTMLFILES): New.
6198 (fortran.html): Use it.
6199 (fortran.install-html): New.
6200 * Makefile.in (install-html): Add lang.install-html.
6201 * java/Make-lang.in (JAVA_HTMLFILES): New.
6202 (java.html): Use it.
6203 (java.install-html): New.
6204 * objc/Make-lang.in (objc.install-html): New.
6205 * objcp/Make-lang.in (obj-c++.install-html): New.
6206 * cp/Make-lang.in (c++.install-html): New.
6207 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
6208 * lto/Make-lang.in (lto.install-html): New.
6210 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
6213 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
6215 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
6217 PR rtl-optimization/41862
6218 * store-motion.c (store_killed_in_insn, compute_store_table,
6219 remove_reachable_equiv_notes, replace_store_insn,
6220 build_store_vectors): Ignore all DEBUG_INSNs.
6222 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
6225 * common.opt: Add dumpdir.
6227 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
6229 (option_map): Add --dumpdir.
6231 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
6233 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
6235 * opts.c (decode_options): Try dump_dir_name first if
6236 dump_base_name isn't an absolute path.
6237 (common_handle_option): Handle OPT_dumpdir.
6239 * toplev.c (dump_dir_name): New.
6240 (print_switch_values): Also ignore -dumpdir.
6242 * toplev.h (dump_dir_name): New.
6244 2010-01-03 Richard Guenther <rguenther@suse.de>
6246 PR tree-optimization/42589
6247 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
6248 double-word expansion of bswap32.
6250 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
6252 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
6253 with BLOCK_FOR_INSN.
6254 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
6255 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
6256 noce_process_if_block): Likewise.
6257 * gcse.c (compute_local_properties, insert_expr_in_table,
6258 insert_set_in_table, canon_list_insert, find_avail_set,
6259 pre_insert_copy_insn): Likewise.
6261 * basic-block.h (BLOCK_NUM): Move from here...
6262 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
6264 2010-01-03 Richard Guenther <rguenther@suse.de>
6266 PR tree-optimization/42438
6267 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
6268 contains_may_not_return_call flag.
6269 (BB_MAY_NOTRETURN): New.
6270 (valid_in_sets): Trapping nary operations are not valid
6271 in blocks that may not return.
6272 (insert_into_preds_of_block): Remove check for trapping expressions.
6273 (compute_avail): Compute also BB_MAY_NOTRETURN.
6275 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
6277 * doc/invoke.texi: Add 2010 to copyright years.
6279 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
6281 * config/sparc/sparc.c: Fix formatting nits.
6283 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
6284 Alexander Monakov <amonakov@ispras.ru>
6286 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
6288 2010-01-02 Richard Guenther <rguenther@suse.de>
6291 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
6292 (simplify_switch_using_ranges): Mark to be removed edges
6295 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6297 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
6299 * collect2.c (scan_libraries): Add missing argument in call to
6302 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
6305 * config/alpha/predicates.md (aligned_memory_operand): Return false
6307 (unaligned_memory_operand): Return true for CQImode.
6308 * config/alpha/alpha.c (get_aligned_mem): Assert that location
6309 doesn not cross aligned SImode word boundary.
6311 2010-01-02 Anatoly Sokolov <aesok@post.ru>
6313 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
6315 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
6316 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
6318 2010-01-02 Richard Guenther <rguenther@suse.de>
6321 * toplev.c (compile_file): Emit LTO marker properly. Change
6323 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
6325 2010-01-01 Richard Guenther <rguenther@suse.de>
6328 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
6330 2010-01-01 Richard Guenther <rguenther@suse.de>
6333 * c-decl.c (grokdeclarator): For zero-size arrays force
6334 structural equality checks as layout_type does.
6336 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
6338 * builtins.c: Update copyright to 2010.
6340 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
6343 * lto-streamer-out.c (produce_asm): Revert the last change.
6344 (copy_function): Likewise.
6346 * lto-streamer.c (lto_get_section_name): Skip any leading
6349 2010-01-01 Richard Guenther <rguenther@suse.de>
6352 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
6356 Copyright (C) 2010 Free Software Foundation, Inc.
6358 Copying and distribution of this file, with or without modification,
6359 are permitted in any medium without royalty provided the copyright
6360 notice and this notice are preserved.