1 2010-04-16 Jakub Jelinek <jakub@redhat.com>
3 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
4 don't call get_addr on both. If one expression is a VALUE and
5 the other a REG, check VALUE's locs if the REG isn't among them.
7 2010-04-16 Christian Bruel <christian.bruel@st.com>
9 * config/sh/sh.h (sh_frame_pointer_required): New function.
10 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
11 (flag_omit_frame_pointer) Set.
12 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
13 (rounded_frame_size): Adjust size with outgoing_args_size.
14 (sh_set_return_address): Must return from stack pointer.
15 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
16 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
17 (ACCUMULATE_OUTGOING_ARGS): Define.
18 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
19 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
21 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
24 * config/sh/sh.c (sh_legitimize_reload_address): Use
25 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
26 Remove a unneeded check for offset_base.
28 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
30 * configure: Regenerated.
32 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
34 * config/s390/s390.c (s390_call_save_register_used): Switch back
37 2010-04-15 Richard Guenther <rguenther@suse.de>
39 * alias.c (alias_set_subset_of): Handle alias-set zero
42 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
43 Julian Brown <julian@codesourcery.com>
45 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
46 alternatives according to use of high and low regs.
47 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
48 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
49 optimizing for size on Thumb-2.
51 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
53 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
55 2010-04-15 Richard Guenther <rguenther@suse.de>
57 * tree-ssa-structalias.c (struct variable_info): Add
59 (new_var_info): Initialize it.
60 (dump_constraints): Support printing last added constraints.
61 (debug_constraints): Adjust.
62 (dump_constraint_graph): Likewise.
63 (make_heapvar_for): Check for NULL cfun.
64 (get_function_part_constraint): New function.
65 (get_fi_for_callee): Likewise.
66 (find_func_aliases): Properly implement IPA PTA constraints.
67 (process_ipa_clobber): New function.
68 (find_func_clobbers): Likewise.
69 (insert_into_field_list_sorted): Remove.
70 (create_function_info_for): Properly allocate vars for IPA mode.
71 Do not use insert_into_field_list_sorted.
72 (create_variable_info_for): Properly generate constraints for
73 global vars in IPA mode.
74 (dump_solution_for_var): Always dump the solution.
75 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
76 (find_what_var_points_to): Adjust.
77 (pt_solution_set): Change.
78 (pt_solution_ior_into): New function.
79 (pt_solution_empty_p): Export.
80 (pt_solution_includes_global): Adjust.
81 (pt_solution_includes_1): Likewise.
82 (pt_solutions_intersect_1): Likewise.
83 (dump_sa_points_to_info): Check some invariants.
84 (solve_constraints): Move constraint dumping ...
85 (compute_points_to_sets): ... here.
86 (ipa_pta_execute): ... and here.
87 (compute_may_aliases): Do not re-compute points-to info
88 locally if IPA info is available.
89 (ipa_escaped_pt): New global var.
90 (ipa_pta_execute): Properly implement IPA PTA.
91 * tree-into-ssa.c (dump_decl_set): Support dumping
92 decls not in referenced-vars.
93 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
94 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
95 (dump_points_to_solution): Likewise.
96 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
97 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
98 (remap_gimple_stmt): Reset call clobber/use information if
100 (copy_decl_to_var): Copy DECL_PT_UID.
101 (copy_result_decl_to_var): Likewise.
102 * tree.c (make_node_stat): Initialize DECL_PT_UID.
103 (copy_node_stat): Copy it.
104 * tree.h (DECL_PT_UID): New macro.
105 (SET_DECL_PT_UID): Likewise.
106 (DECL_PT_UID_SET_P): Likewise.
107 (struct tree_decl_minimal): Add pt_uid member.
108 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
109 (pt_solution_empty_p): Declare.
110 (pt_solution_set): Adjust.
111 (ipa_escaped_pt): Declare.
112 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
113 * gimple-pretty-print.c (pp_points_to_solution): New function.
114 (dump_gimple_call): Dump call clobber/use information.
115 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
116 * tree-pass.h (TDF_ALIAS): New dump option.
117 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
118 * doc/invoke.texi (-fipa-pta): Update documentation.
120 2010-04-15 Richard Guenther <rguenther@suse.de>
122 * Makefile.in (OBJS-common): Add gimple-fold.o.
123 (gimple-fold.o): New rule.
124 * tree.h (maybe_fold_offset_to_reference,
125 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
127 * gimple.h: ... here.
128 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
129 may_propagate_address_into_dereference): Move prototypes ...
130 * gimple.h: ... here.
131 * tree-ssa-ccp.c (get_symbol_constant_value,
132 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
133 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
134 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
135 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
136 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
137 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
138 gimplify_and_update_call_from_tree): Move ...
139 * gimple-fold.c: ... here. New file.
140 (ccp_fold_builtin): Rename to ...
141 (gimple_fold_builtin): ... this.
142 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
144 2010-04-15 Richard Guenther <rguenther@suse.de>
146 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
147 fit_double_type, force_fit_type_double, add_double_with_sign,
148 neg_double, mul_double_with_sign, lshift_double, rshift_double,
149 lrotate_double, rrotate_double, div_and_round_double): Move ...
150 * double-int.c: ... here.
151 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
152 add_double, neg_double, mul_double_with_sign, mul_double,
153 lshift_double, rshift_double, lrotate_double, rrotate_double,
154 div_and_round_double): Move prototypes ...
155 * double-int.h: ... here.
157 2010-04-15 Bernd Schmidt <bernd.schmidt@codesourcery.com>
160 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
161 matching constraints to ensure inputs match the output.
163 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
166 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
167 in an input-only operand.
169 2010-04-15 Anatoly Sokolov <aesok@post.ru>
171 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
172 (double_int_not, double_int_lshift, double_int_rshift): Declare.
173 (double_int_negative_p): Convert to static inline function.
174 * double-int.c (double_int_lshift, double_int_lshift): Add new function.
175 (double_int_negative_p): Remove.
176 * tree.h (lshift_double, rshift_double):
177 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
178 * fold-const.c (fold_convert_const_int_from_real,
179 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
180 (lshift_double): Change type of arith argument to bool.
181 (rshift_double): Change type of arith argument to bool. Correct
183 * expmed.c (mask_rtx, lshift_value): (Ditto.).
185 2010-04-14 Bernd Schmidt <bernd.schmidt@codesourcery.com>
188 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
189 at the start and end of the then/else blocks, and omit them from the
191 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
192 argument; all callers changed. Pass zero to old_insns_match_p instead.
193 (flow_find_head_matching_sequence): New function.
194 (old_insns_match_p): Check REG_EH_REGION notes for calls.
195 * basic-block.h (flow_find_cross_jump,
196 flow_find_head_matching_sequence): Declare functions.
198 2010-04-14 Jason Merrill <jason@redhat.com>
201 * c-common.c (attribute_takes_identifier_p): New fn.
202 * c-common.h: Declare it.
204 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
206 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
208 (*udivmod<mode>4): Ditto.
210 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
212 * config/i386/i386.md (maxmin_int): Rename code attribute from
213 maxminiprefix and update all users.
214 (maxmin_float): Ditto from maxminfprefix.
215 (logic): Ditto from logicprefix.
216 (absneg_mnemonic): Ditto from absnegprefix.
217 * config/i386/mmx.md: Update all users of maxminiprefix,
218 maxminfprefix and loficprefix for rename.
219 * config/i386/sse.md: Ditto.
220 * config/i386/sync.md (sync_<code><mode>): Update for
223 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
226 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
227 warnings converted to errors.
229 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
231 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
232 used insn_type variable.
233 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
234 to avoid set-but-not-used warning.
236 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
238 * df-core.c (df_ref_debug): Change format string placeholder
240 * dwarf2asm.c (dw2_asm_output_data_raw,
241 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
242 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
243 * dwarf2out.c (output_cfi, output_cfi_directive,
244 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
245 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
247 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
248 * print-rtl.c (print_rtx): Ditto.
250 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
253 * builtins.c (expand_builtin_pow_root): New function to expand pow
254 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
255 series of sqrt and cbrt calls under -ffast-math.
256 (expand_builtin_pow): Call it.
258 2010-04-14 Michael Matz <matz@suse.de>
260 PR tree-optimization/42963
261 * tree-cfg.c (touched_switch_bbs): New static variable.
262 (group_case_labels_stmt): New function broken out from ...
263 (group_case_labels): ... here, use the above.
264 (start_recording_case_labels): Allocate touched_switch_bbs.
265 (end_recording_case_labels): Deallocate it, call
266 group_case_labels_stmt.
267 (gimple_redirect_edge_and_branch): Remember index of affected BB.
269 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
271 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
274 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
276 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
278 2010-04-13 Jan Hubicka <jh@suse.cz>
280 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
281 of optimized out static functions.
282 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
283 cost computation. Also sanity check for overflows.
284 (update_caller_keys): Update cgraph_edge_badness call; properly
285 update fibheap and sanity check that it is up to date.
286 (add_new_edges_to_heap): Update cgraph_edge_badness.
287 (cgraph_decide_inlining_of_small_function): Likewise;
288 add sanity checking that badness in heap is up to date;
289 improve dumping of reason; Update badness of calls to the
290 offline copy of function currently inlined; dump badness
291 of functions not inlined because of unit growth limits.
293 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
296 * c-common.c (pointer_int_sum): Disregard overflow that occured only
297 because of sign-extension change when converting to sizetype here...
298 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
300 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
301 the folding to constants. Remove redundant final conversion.
302 (fold_binary) <associate>: Do not associate if the re-association of
303 constants alone overflows.
304 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
305 to the end of the list.
306 (multiple_of_p) <COND_EXPR>: New case.
308 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
310 * opt-functions.awk (opt_sanitized_name): New.
312 * optc-gen.awk: Use it
313 * opth-gen.awk: Use it.
315 2010-04-13 Martin Jambor <mjambor@suse.cz>
317 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
318 (sra_modify_assign): Delete stmts loading dead data even if racc has no
319 children. Call replace_uses_with_default_def_ssa_name to handle
322 2010-04-13 Michael Matz <matz@suse.de>
325 * builtins.c (expand_builtin_interclass_mathfn): Also create
326 a register if the predicate doesn't match.
328 2010-04-13 Diego Novillo <dnovillo@google.com>
330 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
331 * c-pch.c: Include timevar.h.
332 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
333 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
334 * ggc-common.c: Include timevar.h.
335 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
336 * timevar.def (TV_PCH_SAVE): Define.
337 (TV_PCH_CPP_SAVE): Define.
338 (TV_PCH_PTR_REALLOC): Define.
339 (TV_PCH_PTR_SORT): Define.
340 (TV_PCH_RESTORE): Define.
341 (TV_PCH_CPP_RESTORE): Define.
343 2010-04-13 Michael Matz <matz@suse.de>
345 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
347 (can_reassociate_p): New function.
348 (break_up_subtract_bb, reassociate_bb): Use it.
350 2010-04-13 Richard Guenther <rguenther@suse.de>
353 * builtins.c (c_readstr): Fix assert.
355 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
357 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
358 when generating cltd insn.
360 (*ashl<mode>3_1): Remove special handling for register operand 2.
361 (*ashlsi3_1_zext): Ditto.
363 (*ashlhi3_1_lea): Ditto.
365 (*ashlqi3_1_lea): Ditto.
366 (*<shiftrt_insn><mode>3_1): Ditto.
367 (*<shiftrt_insn>si3_1_zext): Ditto.
368 (*<shiftrt_insn>qi3_1_slp): Ditto.
369 (*<rotate_insn><mode>3_1): Ditto.
370 (*<rotate_insn>si3_1_zext): Ditto.
371 (*<rotate_insn>qi3_1_slp): Ditto.
373 2010-04-13 Richard Guenther <rguenther@suse.de>
375 * tree-ssa-structalias.c (callused_id): Remove.
376 (call_stmt_vars): New.
377 (get_call_vi): Likewise.
378 (lookup_call_use_vi): Likewise.
379 (lookup_call_clobber_vi): Likewise.
380 (get_call_use_vi): Likewise.
381 (get_call_clobber_vi): Likewise.
382 (make_transitive_closure_constraints): Likewise.
383 (handle_const_call): Adjust to do per-call call-used handling.
384 (handle_pure_call): Likewise.
385 (find_what_var_points_to): Remove general callused handling.
386 (init_base_vars): Likewise.
387 (init_alias_vars): Initialize call_stmt_vars.
388 (compute_points_to_sets): Process call-used and call-clobbered
389 vars for call statements.
390 (delete_points_to_sets): Free call_stmt_vars.
392 2010-04-13 Richard Guenther <rguenther@suse.de>
394 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
395 Only add RW dependence for dependence distance zero.
396 Adjust maximal vectorization factor according to dependences.
397 Move alignment handling ...
398 (vect_find_same_alignment_drs): ... here. New function.
399 (vect_analyze_data_ref_dependences): Adjust.
400 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
401 (vect_analyze_data_refs): Adjust minimal vectorization factor
402 according to data references.
403 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
404 dependences before determining the vectorization factor.
405 Analyze alignment after determining the vectorization factor.
406 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
407 dependences before alignment.
408 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
410 (vect_analyze_data_refs): Likewise.
411 (MAX_VECTORIZATION_FACTOR): New define.
413 2010-04-13 Duncan Sands <baldrick@free.fr>
415 * except.h (lang_eh_type_covers): Remove.
416 * except.c (lang_eh_type_covers): Likewise.
418 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
419 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
421 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
422 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
423 UNITS_PER_LONG where it is ABI relevant.
424 (s390_return_addr_rtx): Likewise.
425 (s390_back_chain_rtx): Likewise.
426 (s390_frame_area): Likewise.
427 (s390_frame_info): Likewise.
428 (s390_initial_elimination_offset): Likewise.
429 (save_gprs): Likewise.
430 (s390_emit_prologue): Likewise.
431 (s390_emit_epilogue): Likewise.
432 (s390_function_arg_advance): Likewise.
433 (s390_function_arg): Likewise.
434 (s390_va_start): Likewise.
435 (s390_gimplify_va_arg): Likewise.
436 (s390_function_profiler): Likewise.
437 (s390_optimize_prologue): Likewise.
438 (s390_rtx_costs): Likewise.
439 (s390_secondary_reload): Likewise.
440 (s390_promote_function_mode): Likewise.
441 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
442 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
444 (s390_unwind_word_mode): New function.
445 (s390_function_value): Split 64 bit values into register pair if
446 used as return value.
447 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
448 function call parameters. Handle parallels.
449 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
450 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
451 (DWARF_CIE_DATA_ALIGNMENT): New macro.
452 (s390_expand_setmem): Remove unused variable src_addr.
453 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
454 deal with 64 bit registers.
455 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
456 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
457 (UNITS_PER_LONG): New macro.
458 * libjava/include/s390-signal.h: Define extended ucontext
459 structure containing the upper halfs of the 64 bit registers.
461 2010-04-13 Simon Baldwin <simonb@google.com>
463 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
465 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
467 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
468 rvalue on the RHS if the LHS is of a non-renamable type.
469 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
471 2010-04-13 Matthias Klose <doko@ubuntu.com>
473 * gcc.c (cc1_options): Handle -iplugindir before processing
474 the cc1 spec. Only add -iplugindir once.
475 (cpp_unique_options): Add -iplugindir option if -fplugin* options
477 * common.opt (iplugindir): Remove `Separate' property, initialize.
478 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
480 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
481 (distclean): Remove plugin dir.
482 * doc/invoke.texi: Document -iplugindir.
484 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
486 * doc/plugins.texi (Loading Plugins): Document short
488 (Plugin API): Mention default_plugin_dir_name function.
490 * gcc.c (find_file_spec_function): Add new declaration.
491 (static_spec_func): Use it for "find-file".
492 (find_file_spec_function): Add new function.
493 (cc1_options): Add -iplugindir option if -fplugin* options found.
495 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
497 * plugin.c (add_new_plugin): Updated comment, and handle short
499 (default_plugin_dir_name): Added new function.
501 * common.opt (iplugindir): New option to set the plugin directory.
503 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
505 * config/i386/i386.md (any_rotate): New code iterator.
506 (rotate_insn): New code attribute.
508 (SWIM124): New mode iterator.
509 (<rotate_insn>ti3): New expander.
510 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
511 any_rotate code iterator.
512 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
513 using any_rotate code iterator and SWIM124 mode iterator.
514 (ix86_rotlti3): New insn_and_split pattern.
515 (ix86_rotrti3): Ditto.
516 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
517 ix86_rotl{di,ti}3 patterns.
518 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
519 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
520 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
521 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
522 code iterator and SWI mode iterator.
523 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
524 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
526 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
527 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
528 (bswap rotatert splitter): Add splitter.
529 (bswap splitter): Macroize splitter using any_rotate code iterator.
530 Add insn predicate to split only for TARGET_USE_XCHGB or when
531 optimizing function for size.
533 2010-04-12 Steve Ellcey <sje@cup.hp.com>
535 * config/pa/pa.c (emit_move_sequence): Remove use of
536 deleted variable flag_argument_noalias.
538 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
540 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
542 Add to unsupported targets list.
543 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
544 sparc*-sun-solaris2.[567]* from target lists.
545 * configure: Regenerate.
546 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
548 Remove Solaris 7 patch references.
549 (Specific, sparc-sun-solaris2.7): Removed.
550 (sparc-sun-solaris2*): Update Solaris 7 example.
551 (sparc64-*-solaris2*): Likewise.
553 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
555 * config.build (alpha*-dec-osf4*): Remove.
556 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
557 of obsolete configurations.
558 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
560 * config/alpha/t-osf4: Renamed to ...
561 * config/alpha/t-osf5: ... this.
562 * config/alpha/osf.h: Renamed to ...
563 * config/alpha/osf5.h: ... this.
564 Merged old osf5.h contents.
566 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
567 (EXTRA_SPECS): Removed.
568 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
569 reflect removal of Tru64 UNIX V4.0/V5.0 support.
572 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
574 * doc/contrib.texi (Contributors, Rainer Orth): Update.
576 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
579 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
580 __thiscall convention.
582 2010-04-12 Steve Ellcey <sje@cup.hp.com>
584 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
586 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
588 2010-04-12 Steve Ellcey <sje@cup.hp.com>
590 * function.c (assign_parms_initialize_all): Add unused attribute
593 2010-04-12 Richard Guenther <rguenther@suse.de>
595 * gsstruct.def (GSS_CALL): New.
596 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
597 * gimple.h: Include tree-ssa-alias.h.
598 (struct gimple_statement_call): New.
599 (union gimple_statement_struct_d): Add gimple_call member.
600 (gimple_call_reset_alias_info): Declare.
601 (gimple_call_use_set): New function.
602 (gimple_call_clobber_set): Likewise.
603 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
604 * gimple.c (gimple_call_reset_alias_info): New function.
605 (gimple_build_call_1): Call it.
606 * lto-streamer-in.c (input_gimple_stmt): Likewise.
607 * tree-inline.c (remap_gimple_stmt): Likewise.
608 (expand_call_inline): Remove callused handling.
609 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
610 * tree-dfa.c (dump_variable): Likewise.
611 * tree-parloops.c (parallelize_loops): Likewise.
612 * tree-ssa.c (init_tree_ssa): Likewise.
613 (delete_tree_ssa): Likewise.
614 * tree-flow-inline.h (is_call_used): Remove.
615 * tree-flow.h (struct gimple_df): Remove callused member.
616 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
617 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
618 (ref_maybe_used_by_call_p_1): Simplify.
619 (call_may_clobber_ref_p_1): Likewise.
620 * tree-ssa-structalias.c (compute_points_to_sets): Set
621 the call stmt used and clobbered sets.
622 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
623 (find_tail_calls): Verify the tail call.
625 2010-04-12 Richard Guenther <rguenther@suse.de>
627 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
628 single-iteration always-inline inlining.
629 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
630 (cgraph_decide_inlining): Do not handle always-inline specially.
631 (try_inline): Remove always-inline cycle detection special case.
632 Do not recurse on always-inlines.
633 (cgraph_early_inlining): Do not iterate if not optimizing.
634 (cgraph_gate_early_inlining): remove.
635 (pass_early_inline): Run unconditionally.
636 (gate_cgraph_decide_inlining): New function.
637 (pass_ipa_inline): Use it. Do not run the IPA inliner if
638 not inlining or optimizing.
639 (cgraph_decide_inlining_of_small_functions): Also consider
640 always-inline functions.
641 (cgraph_default_inline_p): Return true for nodes which should
642 disregard inline limits.
643 (estimate_function_body_sizes): Assume zero size and time for
644 nodes which are marked as disregarding inline limits.
645 (cgraph_decide_recursive_inlining): Do not perform recursive
646 inlining on always-inline nodes.
648 2010-04-12 Jakub Jelinek <jakub@redhat.com>
651 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
652 for exprs satisfying handled_component_p.
654 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
656 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
657 non-constant aggregate elements.
659 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
660 is a real initialization.
662 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
665 * c-decl.c (start_function): Move forward check for nested function.
667 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
669 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
670 * config/sh/sh.c: Include reload.h.
671 (sh_legitimize_reload_address): New.
672 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
673 sh_legitimize_reload_address.
675 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
677 * config/sh/sh.md (*movqi_pop): New insn pattern.
678 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
680 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
682 * config/i386/i386.md (any_shiftrt): New code iterator.
683 (shiftrt_insn): New code attribute.
685 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
686 using any_shiftrt code iterator.
687 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
688 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
689 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
690 pattern from corresponding peephole2 patterns.
691 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
692 using any_shiftrt code iterator.
693 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
694 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
695 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
696 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
697 *{ashr,lshr}<mode>3_cmp_zext.
698 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
700 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
702 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
704 (*lshr<mode>3_cconly): Ditto.
706 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
708 * config/i386/i386.md (lshr<mode>3): Macroize expander from
709 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
710 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
711 pattern from *lshr{di,ti}3_1 and corresponding splitters using
713 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
714 from corresponding peephole2 patterns.
715 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
716 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
717 and *lshrdi3_1_rex64 using SWI mode iterator.
718 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
719 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
720 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
721 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
722 and *lshrdi3_cmp_rex64 using SWI mode iterator.
723 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
724 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
725 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
726 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
729 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
731 * config/i386/i386.md (ashr<mode>3): Macroize expander from
732 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
733 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
734 pattern from *ashr{di,ti}3_1 and corresponding splitters using
736 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
737 from corresponding peephole2 patterns.
738 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
739 (ashrsi3_cvt): Rename from ashrsi3_31.
740 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
741 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
742 and x86_64_shift_adj_3 using SWI48 mode iterator.
743 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
744 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
745 and *ashrdi3_1_rex64 using SWI mode iterator.
746 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
747 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
748 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
749 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
750 and *ashrdi3_cmp_rex64 using SWI mode iterator.
751 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
752 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
753 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
754 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
756 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
757 * config/i386/i386.c (ix86_split_ashr): Update for renamed
758 x86_shift<mode>_adj_3 expanders.
760 2010-04-10 Wei Guozhi <carrot@google.com>
763 * config/arm/arm.c (arm_pic_static_addr): New function.
764 (legitimize_pic_address): Call arm_pic_static_addr when it detects
766 (arm_output_addr_const_extra): Output expression for new pattern.
767 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
769 2010-04-10 Bernd Schmidt <bernd.schmidt@codesourcery.com>
771 * ira-costs.c (record_reg_classes): Ignore alternatives that are
774 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
775 * web.c: Include "insn-config.h" and "recog.h".
776 (union_match_dups): New function.
778 (union_defs): Don't try to recognize match_dups.
780 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
781 if doing so would replace the entire pattern.
783 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
787 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
788 and splitter pattern. Change splitter operand 1 predicate to
791 2010-04-09 Martin Jambor <mjambor@suse.cz>
793 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
794 lattices are addresses of CONST_DECLs with the same initial value.
795 (ipcp_print_all_lattices): Print values of CONST_DECLs.
796 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
798 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
799 Bernd Schmidt <bernd.schmidt@codesourcery.com>
801 * loop-invariant.c (replace_uses): New static function.
802 (move_invariant_reg): Use it to ensure we can replace the uses.
804 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
806 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
808 (picochip_override_options): Enable section anchors only above -O1.
809 (picochip_reorg): Fixed a couple of build warnings.
811 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
813 * configure.ac (plugin -rdynamic test): Log result.
814 * configure: Regenerate.
815 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
816 (RDYNAMIC_SPEC): Define.
817 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
819 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
821 * configure.ac: Determine Sun ld version numbers.
822 (comdat_group): Restrict GNU ld version checks to gld.
823 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
824 (enable_comdat): Support --enable-comdat.
825 * configure: Regenerate.
826 * doc/install.texi (Configuration): Document --enable-comdat.
828 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
830 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
831 * config/sol2-gld.h: ... here.
832 * config.gcc (sparc*-*-solaris2*): Reflect this.
833 (i[34567]86-*-solaris2*): Use it.
835 2010-04-09 Steve Ellcey <sje@cup.hp.com>
837 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
839 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
841 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
844 * diagnostic.c (diagnostic_initialize): Initialize
845 some_warnings_are_errors.
846 (diagnostic_finish): New.
847 (diagnostic_action_after_output): Call it before exiting.
848 (diagnostic_report_diagnostic): Do not print message here. Set
849 some_warnings_are_errors.
850 * diagnostic.h (diagnostic_context): Delete
851 issue_warnings_are_errors_message. Add some_warnings_are_errors.
852 (diagnostic_finish): Declare.
853 * toplev.c (toplev_main): Call it before exit.
855 2010-04-09 Jason Merrill <jason@redhat.com>
858 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
862 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
863 based on a warning flag.
865 2010-04-09 Richard Guenther <rguenther@suse.de>
867 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
869 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
872 * varasm.c (default_assemble_visibility): Wrap vars that are
873 set, but unused, by targets without GAS.
874 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
875 Remove set, but unused, vars.
876 (rs6000_legitimize_tls_address): Likewise.
877 (altivec_expand_dst_builtin): Likewise.
878 * config/darwin.c (machopic_classify_symbol): Likewise.
879 (machopic_indirection_name): Likewise.
881 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
883 * config/i386/i386.md (DWI): New mode iterator.
884 (S): New mode attribute.
885 (shift_operand): Ditto.
886 (shift_immediate_operand): Ditto.
887 (ashl_input_operand): Ditto.
888 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
889 using SDWIM mode iterator.
890 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
891 pattern from *ashl{di,ti}3_1 and corresponding splitters using
893 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
894 from corresponding peephole2 patterns.
895 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
896 and x86_64_shift_adj_1 using SWI48 mode iterator.
897 (x86_shift<mode>_adj_2): Ditto.
898 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
899 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
900 using SWI48 mode iterator.
901 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
902 *ashldi3_cmp_rex64 using SWI mode iterator.
903 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
904 *ashldi3_cconly_rex64 using SWI mode iterator.
905 * config/i386/i386.c (ix86_split_ashl): Update for renamed
906 x86_shift<mode>_adj_{1,2}.
907 (ix86_split_ashr): Ditto.
908 (ix86_split_lshr): Ditto.
910 2010-04-09 Richard Guenther <rguenther@suse.de>
912 * target.h (builtin_conversion): Pass in input and output types.
913 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
914 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
915 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
916 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
918 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
920 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
922 2010-04-09 Richard Guenther <rguenther@suse.de>
925 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
927 2010-04-09 Richard Guenther <rguenther@suse.de>
929 * tree-vectorizer.h (struct _stmt_vec_info): Document
930 that vectype is the type of the LHS.
931 (supportable_widening_operation, supportable_narrowing_operation):
932 Get both input and output vector types as arguments.
933 (vect_is_simple_use_1): Declare.
934 (get_same_sized_vectype): Likewise.
935 * tree-vect-loop.c (vect_determine_vectorization_factor):
936 Set STMT_VINFO_VECTYPE to the vector type of the def.
937 (vectorizable_reduction): Adjust.
938 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
939 Adjust. Specify the output vector type.
940 (vect_pattern_recog_1): Adjust.
941 * tree-vect-stmts.c (get_same_sized_vectype): New function.
942 (vectorizable_call): Adjust.
943 (vectorizable_conversion): Likewise.
944 (vectorizable_operation): Likewise.
945 (vectorizable_type_demotion): Likewise.
946 (vectorizable_type_promotion): Likewise.
947 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
949 (vect_is_simple_use_1): New function.
950 (supportable_widening_operation): Get both input and output
952 (supportable_narrowing_operation): Likewise.
953 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
955 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
957 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
958 __thiscall and _thiscall as predefined macros.
959 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
960 thiscall attribute handling.
961 (ix86_comp_type_attributes): Likewise.
962 (ix86_function_regparm): Likewise.
963 (ix86_return_pops_args): Likewise.
964 (init_cumulative_args): Likewise.
965 (find_drap_reg): Likewise.
966 (ix86_static_chain): Likewise.
967 (x86_this_parameter): Likewise.
968 (x86_output_mi_thunk): Likewise.
969 (ix86_attribute_table): Add description for thiscall attribute.
970 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
971 * doc/extend.texi: Add documentation for thiscall.
973 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
976 * c.opt (Wint-to-pointer-cast): Available in C++.
977 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
979 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
981 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
982 * calls.c (expand_call): Pass the function type to aggregate_value_p.
983 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
984 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
985 function type instead. Reorder and simplify checks.
987 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
989 2010-04-08 Jing Yu <jingyu@google.com>
990 Zdenek Dvorak <ook@ucw.cz>
992 PR tree-optimization/42720
993 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
994 loop unswitch conditions here from ...
995 (tree_unswitch_single_loop): ... here.
997 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
999 * tree-if-conv.c: Fix comments and simplify logic.
1001 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
1003 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
1004 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
1005 (main_tree_if_conversion): Update call to tree_if_conversion.
1007 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
1010 * doc/invoke.texi (-b,-V): Delete.
1011 * doc/tm.texi: Do not mention -b.
1012 * gcc.c (display_help): Delete -b and -V.
1013 (process_command): Delete -b and -V.
1014 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
1016 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
1017 Wolfgang Gellerich <gellerich@de.ibm.com>
1019 Implement target hook for loop unrolling
1020 * target.h (loop_unroll_adjust): Add a new target hook function.
1021 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
1022 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
1023 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
1024 (s390_loop_unroll_adjust): Implement the new target hook for s390.
1025 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
1027 (decide_unroll_stupid): Likewise.
1029 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1032 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
1034 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1036 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
1037 (Specific, *-*-solaris2*): Likewise.
1038 Don't prefer Sun as over GNU as.
1040 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
1042 * config/s390/s390.c (override_options): Adjust the z10
1043 defaults for max-unroll-times, max-completely-peeled-insns
1044 and max-completely-peel-times.
1046 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1048 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
1049 instructions for z10.
1050 (s390_expand_setmem): Likewise.
1051 (s390_expand_cmpmem): Likewise.
1053 2010-04-08 Richard Guenther <rguenther@suse.de>
1055 PR tree-optimization/43679
1056 * tree-ssa-pre.c (eliminate): Only propagate copies.
1058 2010-04-08 Jakub Jelinek <jakub@redhat.com>
1061 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
1062 set but not used variable warning.
1064 2010-04-08 Wei Guozhi <carrot@google.com>
1067 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
1068 (arm_size_rtx_costs): Call the new function when optimized for size.
1070 2010-04-08 Jakub Jelinek <jakub@redhat.com>
1073 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
1074 op0 is not a MEM, just return NULL instead of assertion
1076 (discover_nonconstant_array_refs): Don't walk debug stmts.
1078 2010-04-08 Doug Kwan <dougkwan@google.com>
1080 * configure.ac: Recognize gold and do not use its version number
1081 to test ld features.
1082 * configure: Regenerate.
1084 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
1087 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
1088 (negate_value): Move code to push elements to broken_up_substracts ...
1089 (eliminate_plus_minus_pair): ... here. Push operands that have no
1090 negative pair to plus_negates.
1091 (repropagate_negates, init_reassoc, fini_reassoc): Update.
1093 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1095 * doc/install.texi (Configuration): Move description of
1096 --enable-lto, --with-libelf*, --enable-gold from Java section to
1099 * doc/generic.texi (Working with declarations)
1100 (Function Properties, C and C++ Trees): Fix typos.
1101 * doc/sourcebuild.texi (Top Level): Likewise.
1103 2010-04-07 Jakub Jelinek <jakub@redhat.com>
1106 * tree.h (DECL_READ_P): Define.
1107 (struct tree_decl_common): Add decl_read_flag.
1108 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
1109 a set but not used warning.
1110 (merge_decls): Merge DECL_READ_P flag.
1111 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
1112 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
1113 * c-common.c (handle_used_attribute, handle_unused_attribute):
1115 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
1117 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
1119 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
1120 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
1121 c_parser_binary_expression, c_parser_cast_expression,
1122 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
1123 Call default_function_array_read_conversion instead of
1124 default_function_array_conversion where needed.
1125 (c_parser_unary_expression, c_parser_conditional_expression,
1126 c_parser_postfix_expression_after_primary, c_parser_initelt):
1127 Likewise. Call mark_exp_read where needed.
1128 (c_parser_statement_after_labels, c_parser_asm_operands,
1129 c_parser_typeof_specifier, c_parser_sizeof_expression,
1130 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
1132 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
1134 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
1135 (warn_unused_but_set_parameter): Default to warn_unused
1137 * doc/invoke.texi: Document -Wunused-but-set-variable and
1138 -Wunused-but-set-parameter.
1140 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
1141 used count variable.
1142 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
1143 when operandN variables aren't used in the body of the expander
1145 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
1146 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
1147 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
1148 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
1149 FOR_EACH_IMM_USE_ON_STMT): Likewise.
1150 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
1151 * tree.c (PROCESS_ARG): Likewise.
1153 2010-04-07 Simon Baldwin <simonb@google.com>
1155 * diagnostic.h (diagnostic_override_option_index): New macro to
1156 set a diagnostic's option_index.
1157 * c-tree.h (c_cpp_error): Add warning reason argument.
1158 * opts.c (_warning_as_error_callback): New.
1159 (register_warning_as_error_callback): Store callback for
1160 warnings enabled via enable_warning_as_error.
1161 (enable_warning_as_error): Call callback, minor code tidy.
1162 * opts.h (register_warning_as_error_callback): Declare.
1163 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
1164 response to -Werror=.
1165 (c_common_init_options): Register warning_as_error_callback in opts.c.
1166 * common.opt: Add -Wno-cpp option.
1167 * c-common.c (struct reason_option_codes_t): Map cpp warning
1168 reason codes to gcc option indexes.
1169 * (c_option_controlling_cpp_error): New function, lookup the gcc
1170 option index for a cpp warning reason code.
1171 * (c_cpp_error): Add warning reason argument, call
1172 c_option_controlling_cpp_error for diagnostic_override_option_index.
1173 * doc/invoke.texi: Document -Wno-cpp.
1175 2010-04-07 Richard Guenther <rguenther@suse.de>
1177 * ipa-reference.c (mark_load): Use get_base_address.
1178 (mark_store): Likewise.
1180 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
1181 inserting GIMPLE_NOPs into the IL.
1182 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1183 Explicitly strip handled components and indirect references.
1185 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
1186 folding address expressions.
1187 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
1188 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
1189 operand_equal_p to compare decls.
1190 (ptr_deref_may_alias_decl_p): Likewise.
1191 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
1192 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
1193 Handle reversed comparison ops.
1194 * tree-sra.c (asm_visit_addr): Use get_base_address.
1195 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
1196 * ipa-reference.c (mark_address): Use get_base_address.
1198 2010-04-07 Richard Guenther <rguenther@suse.de>
1200 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
1201 Propagate constants everywhere.
1203 2010-04-07 Jakub Jelinek <jakub@redhat.com>
1206 * tree.c (MAX_INT_CACHED_PREC): Define.
1207 (nonstandard_integer_type_cache): New array.
1208 (build_nonstandard_integer_type): Cache results for precision
1209 <= MAX_INT_CACHED_PREC.
1211 2010-04-07 Richard Guenther <rguenther@suse.de>
1213 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
1214 -fargument-noalias-global, -fargument-noalias-anything): Remove.
1215 * common.opt: Likewise.
1216 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
1217 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
1218 (nonoverlapping_memrefs_p): Likewise.
1219 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1220 * opts.c (common_handle_option): Handle OPT_fargument_alias,
1221 OPT_fargument_noalias, OPT_fargument_noalias_anything and
1222 OPT_fargument_noalias_global for backward compatibility.
1224 2010-04-07 Richard Guenther <rguenther@suse.de>
1226 PR tree-optimization/43270
1227 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
1228 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
1229 * tree-ssa-pre.c (phi_translate_1): Adjust.
1230 (fully_constant_expression): Split out vn_reference handling to ...
1231 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
1232 Fold reads from constant strings.
1233 (vn_reference_lookup): Handle fully constant references.
1234 (vn_reference_lookup_pieces): Likewise.
1235 * Makefile.in (expmed.o-warn): Add -Wno-error.
1237 2010-04-07 Martin Jambor <mjambor@suse.cz>
1239 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
1241 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
1244 * gcc.c: Add -static-libstdc++ to list of recognized options.
1246 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1248 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
1250 2010-04-07 Richard Guenther <rguenther@suse.de>
1253 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
1254 bases build simple mem attributes to retain points-to information.
1256 2010-04-07 Richard Guenther <rguenther@suse.de>
1259 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
1260 preserve points-to related information.
1262 2010-04-07 Richard Guenther <rguenther@suse.de>
1265 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
1266 discard plain indirect references.
1267 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
1268 * tree.c (tree_nop_conversion): Likewise.
1270 2010-04-07 Dodji Seketeli <dodji@redhat.com>
1273 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
1275 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
1277 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
1278 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
1280 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1282 * tree-if-conv.c: Fix indentation and comments.
1284 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1286 * tree-if-conv.c: Sort static functions in topological order.
1288 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1290 * tree-if-conv.c: Fix indentation and comments.
1292 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1295 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1296 lang_hooks.types.type_for_size instead of
1297 build_nonstandard_integer_type.
1298 When converting an unsigned type to signed, double its precision.
1299 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
1300 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
1301 (graphite_create_new_loop_guard): When ub + 1 wraps around,
1304 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1307 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1308 POINTER_PLUS_EXPR for pointer types.
1310 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1313 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
1314 * graphite-clast-to-gimple.c: Include langhooks.h.
1315 (max_signed_precision_type): New.
1316 (max_precision_type): Takes two types as arguments.
1317 (precision_for_value): New.
1318 (precision_for_interval): New.
1319 (gcc_type_for_interval): New.
1320 (gcc_type_for_value): New.
1321 (gcc_type_for_clast_term): New.
1322 (gcc_type_for_clast_red): New.
1323 (gcc_type_for_clast_bin): New.
1324 (gcc_type_for_clast_expr): Split up into several functions.
1325 (gcc_type_for_clast_eq): Rewritten.
1326 (compute_bounds_for_level): New.
1327 (compute_type_for_level_1): New.
1328 (compute_type_for_level): New.
1329 (gcc_type_for_cloog_iv): Removed.
1330 (gcc_type_for_iv_of_clast_loop): Rewritten.
1331 (graphite_create_new_loop): Compute the lower and upper bound types
1332 with gcc_type_for_clast_expr.
1333 (graphite_create_new_loop_guard): Same.
1334 (find_cloog_iv_in_expr): Removed.
1335 (compute_cloog_iv_types_1): Removed.
1336 (compute_cloog_iv_types): Removed.
1337 (gloog): Do not call compute_cloog_iv_types.
1338 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
1340 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
1341 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
1342 (GBB_CLOOG_IV_TYPES): Removed.
1344 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1346 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
1347 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
1348 (detect_commutative_reduction): Same.
1350 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1352 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
1353 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
1355 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
1356 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
1357 (rewrite_commutative_reductions_out_of_ssa): Same.
1358 * passes.c (execute_function_todo): Call verify_ssa for every pass
1359 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
1360 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
1361 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
1362 with an extra argument.
1363 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
1364 verify_ssa only when the extra argument is true.
1365 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
1366 with an extra argument.
1367 (tree_transform_and_unroll_loop): Same.
1369 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1371 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
1372 for all the passes of the LNO having LOOP_CLOSED_SSA.
1373 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
1374 * tree-loop-distribution.c (pass_loop_distribution): Same.
1375 * tree-pass.h (TODO_verify_loops): Removed.
1376 * tree-ssa-loop.c (pass_tree_loop_init): Same.
1378 (pass_tree_unswitch): Same.
1379 (pass_predcom): Same.
1380 (pass_vectorize): Same.
1381 (pass_linear_transform): Same.
1382 (pass_graphite_transforms): Same.
1383 (pass_iv_canon): Same.
1384 (pass_complete_unroll): Same.
1385 (pass_complete_unrolli): Same.
1386 (pass_parallelize_loops): Same.
1387 (pass_loop_prefetch): Same.
1388 (pass_iv_optimize): Same.
1390 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
1393 * passes.c (init_optimization_passes): Move pass_lim before
1394 pass_copy_prop and pass_dce_loop.
1396 2010-04-06 Jakub Jelinek <jakub@redhat.com>
1399 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
1400 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
1401 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
1402 MULTI_* defines for 4 argument vpermil2p* builtins.
1404 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
1406 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
1407 * config/i386/i386.c (x86_maybe_negate_const_int): New.
1408 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
1409 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
1410 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
1411 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
1412 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
1413 Use x86_maybe_negate_const_int to output insn mnemonic.
1414 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
1415 check from instruction predicate. Update comments.
1416 * config/i386/sync.md (sync_add<mode>): Use
1417 x86_maybe_negate_const_int to output insn mnemonic.
1419 2010-04-06 Jan Hubicka <jh@suse.cz>
1421 PR tree-optimization/42906
1422 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
1423 IGNORE_SELF argument. Set visited_control_parents for fully
1425 (find_obviously_necessary_stmts): Update call of
1426 mark_control_dependent_edges_necessary.
1427 (propagate_necessity): Likewise. Handle PHI edges more curefully.
1429 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
1431 * config/i386/i386.md: Remove comment about 'e' and 'E'
1434 2010-04-06 Richard Guenther <rguenther@suse.de>
1436 PR tree-optimization/43627
1437 * tree-vrp.c (extract_range_from_unary_expr): Widenings
1438 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
1441 2010-04-06 Jakub Jelinek <jakub@redhat.com>
1443 * BASE-VER: Change to 4.6.0.
1446 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
1449 2010-04-06 Richard Guenther <rguenther@suse.de>
1452 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
1454 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1456 * doc/invoke.texi (Optimize Options): Document that LTO
1457 won't remove object access purely due to incompatible
1460 2010-04-04 Matthias Klose <doko@ubuntu.com>
1462 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
1463 Initialize variable.
1465 2010-04-03 Richard Guenther <rguenther@suse.de>
1468 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
1469 require a non-NULL MEM_OFFSET.
1471 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
1473 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
1474 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
1475 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
1476 config/alpha/predicates.md, config/arm/arm.md,
1477 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
1478 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
1479 config/darwin9.h, config/darwin.c, config/darwin.h,
1480 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
1481 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
1482 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
1483 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
1484 config/mips/mips.md, config/mn10300/mn10300.c,
1485 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
1486 config/rs6000/aix.h, config/rs6000/dfp.md,
1487 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
1488 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
1489 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
1490 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
1491 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
1492 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
1493 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
1494 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
1495 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
1496 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
1497 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
1498 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
1499 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
1500 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
1501 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
1502 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
1503 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
1504 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
1505 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
1506 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
1507 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
1508 opt-functions.awk, opth-gen.awk, params.def, passes.c,
1509 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
1510 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
1511 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
1512 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
1513 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
1514 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
1515 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
1516 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
1517 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
1518 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
1519 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
1520 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
1521 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
1522 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
1524 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1527 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
1528 * aclocal.m4: Regenerate.
1530 2010-04-02 Richard Guenther <rguenther@suse.de>
1532 PR tree-optimization/43629
1533 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
1534 if we have seen a constant value.
1536 2010-04-02 Joseph Myers <joseph@codesourcery.com>
1538 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
1540 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
1543 * arm.c (legitimize_tls_address): Adjust call to
1544 gen_tls_load_dot_plus_four.
1545 (arm_note_pic_base): New function.
1546 (arm_cannot_copy_insn_p): Use it.
1547 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
1550 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1555 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1557 * Makefile.in ($(out_object_file)): Depend on
1558 gt-$(basename $(notdir $(out_file))).h.
1560 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
1562 * config.gcc (lm32-*-rtems*): Add t-lm32.
1564 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
1566 * config.gcc: Add lm32-*-rtems*.
1567 * config/lm32/rtems.h: New file.
1569 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
1572 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
1574 2010-04-01 Jakub Jelinek <jakub@redhat.com>
1576 * dwarf2out.c (output_compilation_unit_header): For
1577 -gdwarf-4 use version 4 instead of version 3.
1578 (output_line_info): For version 4 and above emit additional
1579 maximum ops per insn header field.
1580 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
1582 * dwarf2out.c (is_c_family, is_java): Remove.
1583 (lower_bound_default): New function.
1584 (add_bound_info, gen_descr_array_type_die): Use it.
1586 2010-04-01 Dodji Seketeli <dodji@redhat.com>
1589 * dwarf2out.c (gen_variable_die): Allow debug info for variable
1590 re-declaration when it happens in a function.
1592 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
1594 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
1595 (cgraph_remove_function_insertion_hook): Same.
1596 (cgraph_call_function_insertion_hooks): Same.
1598 2010-04-01 Richard Guenther <rguenther@suse.de>
1601 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
1602 and TREE_THIS_VOLATILE.
1603 (copy_ref_info): Likewise.
1604 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
1605 * tree.c (build6_stat): Ignore side-effects of all but arg5
1606 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
1609 2010-04-01 Richard Guenther <rguenther@suse.de>
1611 PR tree-optimization/43607
1612 * ipa-type-escape.c (check_call): Do not access non-existing
1615 2010-04-01 Richard Guenther <rguenther@suse.de>
1619 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
1620 Jack Howarth <howarth@bromo.med.uc.edu>
1622 * tree-profile.c (tree_init_ic_make_global_vars): Make static
1625 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1627 * doc/install.texi (Prerequisites): Document libelf usability on
1628 IRIX 5/6 and Solaris 2.
1629 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
1630 Update GNU as, GNU ld requirements.
1631 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
1632 Document Sun Studio compiler download.
1633 Update and simplify as, ld recommendations.
1634 (Specific, *-*-solaris2.7): Note obsoletion, removal.
1636 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1638 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
1639 with_tune_32 to pentium4.
1641 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
1643 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
1645 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1647 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
1648 obsoletion, removal.
1650 Document GNU as requirement.
1651 Update configure requirements.
1652 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
1653 Recomment IRIX 6.5.18+.
1654 Document IDF/IDL requirement.
1655 Document GNU as requirement.
1656 Document GNU ld bootstrap failure.
1657 Remove freeware.sgi.com reference.
1659 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1661 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
1662 UNIX V4.0, V5.0 obsoletion, removal.
1663 Remove --with-gc=simple reference.
1664 Update VM requirements during bootstrap.
1665 Remove -oldas bootstrap description.
1666 Update binutils reference.
1667 Remove comparison failure note.
1669 2010-03-31 Richard Guenther <rguenther@suse.de>
1670 Zdenek Dvorak <ook@ucw.cz>
1671 Sebastian Pop <sebastian.pop@amd.com>
1674 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
1675 with multiple arguments.
1676 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
1678 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
1680 * graphite-dependences.c (print_pddr): Call print_pdr with an
1682 * graphite-poly.c (debug_pdr): Add an extra argument for the
1685 (print_pbb_domain): Same.
1687 (print_scop_context): Same.
1689 (print_cloog): Same.
1690 (debug_pbb_domain): Same.
1694 (debug_scop_context): Same.
1696 (debug_cloog): Same.
1697 (print_scop_params): Same.
1698 (debug_scop_params): Same.
1699 (print_iteration_domain): Same.
1700 (print_iteration_domains): Same.
1701 (debug_iteration_domain): Same.
1702 (debug_iteration_domains): Same.
1703 (print_scattering_function): Same.
1704 (print_scattering_functions): Same.
1705 (debug_scattering_function): Same.
1706 (debug_scattering_functions): Same.
1707 * graphite-poly.h (debug_pdr): Update declaration.
1709 (print_pbb_domain): Same.
1711 (print_scop_context): Same.
1713 (print_cloog): Same.
1714 (debug_pbb_domain): Same.
1718 (debug_scop_context): Same.
1720 (debug_cloog): Same.
1721 (print_scop_params): Same.
1722 (debug_scop_params): Same.
1723 (print_iteration_domain): Same.
1724 (print_iteration_domains): Same.
1725 (debug_iteration_domain): Same.
1726 (debug_iteration_domains): Same.
1727 (print_scattering_function): Same.
1728 (print_scattering_functions): Same.
1729 (debug_scattering_function): Same.
1730 (debug_scattering_functions): Same.
1732 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
1734 * graphite-poly.c (print_scattering_function_1): New.
1735 (print_scattering_function): Call it.
1736 (print_scop_params): Remove spaces at the end of lines.
1739 * graphite-poly.h (print_cloog): Declared.
1740 (debug_cloog): Declared.
1742 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
1744 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
1746 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
1747 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
1748 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
1749 to switch between adding the IV bump in loop->latch or in loop->header.
1751 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
1753 * graphite-poly.c (print_scattering_function): Pretty print following
1756 (print_pbb_domain): Same.
1757 (dump_gbb_cases): Same.
1758 (dump_gbb_conditions): Same.
1761 (print_scop_params): Same.
1762 (print_scop_context): Same.
1764 (print_pbb_body): New.
1765 (lst_indent_to): New.
1766 (print_lst): Start new lines with a #.
1767 * graphite-poly.h (pbb_bb): New.
1768 (pbb_index): Use pbb_bb.
1769 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
1771 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
1773 2010-03-31 Jakub Jelinek <jakub@redhat.com>
1775 * dwarf2out.c (size_of_die): For -gdwarf-4 use
1776 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
1777 and 0 instead of 1 for dw_val_class_flag.
1778 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
1779 dw_val_class_range_list, dw_val_class_loc_list,
1780 dw_val_class_lineptr and dw_val_class_macptr, use
1781 DW_FORM_flag_present for dw_val_class_flag and
1782 DW_FORM_exprloc for dw_val_class_loc.
1783 (output_die): For -gdwarf-4 print dw_val_class_loc
1784 size as uleb128 instead of 1 or 2 bytes and don't print
1785 anything for dw_val_class_flag.
1787 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
1788 instead of cselib_lookup following by tweaking locs->setting_insn.
1791 * cselib.c (cselib_process_insn): Clear cselib_current_insn
1792 even before returning from label, setjmp call or volatile asm
1795 2010-03-31 Richard Guenther <rguenther@suse.de>
1798 * cgraphunit.c (cgraph_output_in_order): Do not allocate
1799 temporary data on stack.
1801 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1803 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
1804 (PUSHSECTION_ASM_OP): Remove.
1805 (POPSECTION_ASM_OP): Remove.
1806 (PUSHSECTION_FORMAT): Remove.
1807 * config/sol2.h (PUSHSECTION_FORMAT): Define.
1808 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
1809 * config/sol2.c (solaris_output_init_fini): Use it.
1811 2010-03-31 Jie Zhang <jie@codesourcery.com>
1814 * opt-functions.awk (var_type_struct): Use signed char type
1815 for simple variables.
1817 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1819 * config/sol2.c: Include output.h.
1820 (solaris_assemble_visibility): New function.
1821 * config/t-sol2 (sol2.o): Add output.h dependency.
1822 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
1823 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
1826 2010-03-31 Jakub Jelinek <jakub@redhat.com>
1829 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
1830 V2SImode or XFmode on PRE_DEC.
1833 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
1836 2010-03-31 Jie Zhang <jie@codesourcery.com>
1839 * reload.h (caller_save_initialized_p): Declare.
1840 * toplev.c (backend_init_target): Don't call
1841 init_caller_save but set caller_save_initialized_p to false.
1842 * caller-save.c (caller_save_initialized_p): Define.
1843 (init_caller_save): Check caller_save_initialized_p.
1844 * ira.c (ira): Call init_caller_save if flag_caller_saves.
1846 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1849 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
1850 and soft-fp/t-softfp to tmake_file.
1851 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
1852 (LIBGCC2_TF_CEXT): Define.
1855 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
1858 * cselib.c (n_useless_values): Document handling of debug locs.
1859 (n_useless_debug_values, n_debug_values): New variables.
1860 (new_elt_loc_list): Don't add to debug values, keep count.
1861 (promote_debug_loc): New.
1862 (cselib_reset_table): Zero new variables.
1863 (entry_and_rtx_equal_p): Promote debug locs.
1864 (discard_useless_locs): Increment n_useless_debug_values for
1866 (remove_useless_values): Adjust n_useless_values and n_debug_values
1867 with n_useless_debug_values.
1868 (add_mem_for_addr): Promote debug locs.
1869 (cselib_lookup_mem): Likewise.
1870 (cselib_lookup_addr): Renamed to...
1871 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
1872 (cselib_log_lookup): ... this. Turn into...
1873 (cselib_lookup_addr): ... new wrapper.
1874 (cselib_lookup_from_insn): New.
1875 (cselib_invalidate_regno): Increment n_useless_debug_values for
1877 (cselib_invalidate_mem): Likewise.
1878 (cselib_process_insn): Take n_deleted and n_debug_values into
1879 account to guard remove_useless_value call.
1880 (cselib_finish): Zero n_useless_debug_values.
1881 * cselib.h (cselib_lookup_from_insn): Declare.
1882 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
1883 (sched_analyze_2): Likewise.
1885 2010-03-30 Jakub Jelinek <jakub@redhat.com>
1887 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
1889 (adjust_mems): Replace narrowing SUBREG of expression containing
1890 just PLUS, MINUS, MULT and ASHIFT of registers and constants
1891 with operations in the narrower mode.
1894 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
1895 regs_invalidated_by_call instead all call_used_reg_set registers.
1897 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
1900 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
1901 pointer comparisons with types_compatible_p.
1902 * tree-vect-stmts.c (vectorizable_call): Same.
1903 (vectorizable_condition): Same.
1905 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1907 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
1908 stack check if the mask would be zero.
1910 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
1911 Jack Howarth <howarth@bromo.med.uc.edu>
1913 * tree-profile.c (tree_init_ic_make_global_vars): Make static
1916 2010-03-30 Joseph Myers <joseph@codesourcery.com>
1919 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
1921 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
1922 Include ___unordxf2 and ___unordtf2.
1923 * config/i386/libgcc-glibc.ver: Do not define inheritance from
1926 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
1928 * config/lm32/t-lm32: New file.
1929 * config.gcc: Use the above file when targetting lm32.
1931 2010-03-28 Duncan Sands <baldrick@free.fr>
1933 * Makefile.in (PLUGIN_HEADERS): Add except.h.
1935 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
1938 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
1939 Improve vectorization cost model diagnostic.
1941 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
1944 * tree-vect-data-refs.c (vect_analyze_data_refs): When
1945 compute_data_dependences_for_loop returns false, early exit
1946 and output an extra diagnostic for the failed data reference
1949 2010-03-29 Richard Guenther <rguenther@suse.de>
1951 PR tree-optimization/43560
1952 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
1953 (can_sm_ref_p): Treat stores to readonly locations as trapping.
1955 2010-03-29 Jie Zhang <jie@codesourcery.com>
1958 * toplev.c (process_options): Set optimization_default_node
1959 and optimization_current_node.
1960 * opts.c (decode_options): Don't set optimization_default_node
1961 and optimization_current_node.
1963 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
1965 * config/rtems.h: Abandon -qrtems_debug.
1967 2010-03-28 Jan Hubicka <jh@suse.cz>
1969 PR tree-optimization/43505
1970 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
1971 map should not be copied.
1973 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1976 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
1977 cdtors, set DECL_PRESERVE_P.
1978 * ipa.c (cgraph_externally_visible_p): Return true if declaration
1981 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
1983 PR tree-optimization/43528
1984 * stor-layout.c (place_field): Check that constant fits into
1985 unsigned HWI when skipping calculation of MS bitfield layout.
1987 2010-03-27 Jan Hubicka <jh@suse.cz>
1990 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
1991 notice_global_symbol work.
1993 2010-03-27 Jakub Jelinek <jakub@redhat.com>
1995 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
1996 instead of dwarf2out_decl.
1997 (struct var_loc_node): Remove section_label field.
1998 (dwarf2out_function_decl): New function.
1999 (dwarf2out_var_location): Don't set section_label field.
2000 (dwarf2out_begin_function): Don't empty decl_loc_table here.
2002 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
2004 PR tree-optimization/43544
2005 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2006 First argument for builtin vectorized function hook is now a
2007 tree to be able to distinguish between machine specific and
2009 * targhooks.c (default_builtin_vectorized_function): Ditto.
2010 * targhooks.h (default_builtin_vectorized_function): Ditto.
2011 * target.h (struct gcc_target): Ditto.
2012 * tree-vect-stmts.c (vectorizable_function): Ditto.
2013 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
2014 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2017 2010-03-26 Joseph Myers <joseph@codesourcery.com>
2020 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
2021 nested binding iff it is a FUNCTION_DECL.
2022 (store_parm_decls_newstyle): Pass nested=true to bind for
2023 FUNCTION_DECLs amongst parameters.
2025 2010-03-26 Jakub Jelinek <jakub@redhat.com>
2027 * var-tracking.c (vt_expand_loc_callback): Don't run
2028 cselib_expand_value_rtx_cb in dummy mode if
2029 cselib_dummy_expand_value_rtx_cb returned false.
2031 * var-tracking.c (emit_note_insn_var_location): For one part
2032 notes with offset 0, don't add EXPR_LIST around the location.
2033 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
2034 add_location_or_const_value_attribute): Adjust for that change.
2037 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
2038 into first operand and location into second.
2039 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
2040 dw_cfi_oprnd_loc for DW_CFA_expression.
2041 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
2042 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
2043 assume first argument is regnum and second argument is location.
2045 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
2048 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
2049 of scratch register to DImode. Split to DImode comparison operator.
2050 Use SImode subreg of scratch register in the multiplication.
2051 (*cmp_sadd_sidi): Ditto.
2052 (*cmp_ssub_si): Ditto.
2053 (*cmp_ssub_sidi): Ditto.
2055 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
2058 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
2059 Remove invalid assert and wrong comment.
2061 2010-03-26 Jakub Jelinek <jakub@redhat.com>
2064 * flags.h (final_insns_dump_p): New extern.
2065 * final.c (final_insns_dump_p): New variable.
2066 (rest_of_clean_state): Set it before -fdump-final-insns=
2067 dumping, clear afterwards.
2068 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
2069 MEM_ALIAS_SET on MEMs.
2071 2010-03-26 David S. Miller <davem@davemloft.net>
2073 * configure.ac: Fix sparc GOTDATA_OP bug check.
2074 * configure: Rebuild.
2076 2010-03-26 Alan Modra <amodra@gmail.com>
2078 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
2080 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2082 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
2083 TLS_SECTION_ASM_FLAG.
2085 2010-03-25 Jakub Jelinek <jakub@redhat.com>
2088 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
2089 Clear first_function_block_is_cold.
2092 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
2093 argument if the argument is truth_value_p.
2095 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
2097 * config/rs6000/constraints.md: Update copyright year for my changes.
2100 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
2101 used in reg+reg addressing, swap registers.
2103 2010-03-24 Jakub Jelinek <jakub@redhat.com>
2106 * target.h (struct gcc_target): Add code_end hook.
2107 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
2109 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
2110 * toplev.c (compile_file): Call targetm.asm_out.code_end
2111 hook before unwind info/debug info output.
2112 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
2113 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
2114 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2115 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
2116 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2117 * config/i386/i386.c (ix86_file_end): Renamed to...
2118 (ix86_code_end): ... this. Make static. Don't call
2119 file_end_indicate_exec_stack. Emit unwind info using
2120 final_start_function/final_end_function.
2121 (darwin_x86_file_end): Remove.
2122 (TARGET_ASM_CODE_END): Define.
2123 * config/i386/i386.h (TARGET_ASM_FILE_END,
2124 NEED_INDICATE_EXEC_STACK): Don't define.
2125 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
2126 (TARGET_ASM_FILE_END): Define to darwin_file_end.
2127 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
2128 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
2131 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
2132 at the beginning and final_end_function at the end.
2133 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2135 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2137 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
2138 and Sun as TLS syntax.
2139 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
2140 * configure: Regenerate.
2141 * config.in: Regenerate.
2142 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
2143 (default_elf_asm_named_section): Use it.
2144 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
2145 (i386_output_dwarf_dtprel): Likewise.
2146 (output_addr_const_extra): Likewise.
2147 (output_pic_addr_const): Lowercase @GOTTPOFF.
2148 (output_addr_const_extra): Likewise.
2149 (output_pic_addr_const): Lowercase @GOTNTPOFF.
2150 (output_addr_const_extra): Likewise.
2151 (output_pic_addr_const): Lowercase @INDNTPOFF.
2152 (output_addr_const_extra): Likewise.
2153 (output_pic_addr_const): Lowercase @NTPOFF.
2154 (output_addr_const_extra): Likewise.
2155 (output_pic_addr_const): Lowercase @TPOFF.
2156 (output_addr_const_extra): Likewise.
2157 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
2158 (*tls_global_dynamic_64): Likewise.
2159 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
2160 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
2162 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
2163 (ASM_OUTPUT_TLS_COMMON): Use it.
2164 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
2167 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
2168 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
2169 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
2170 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
2171 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2172 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
2174 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2176 * config/i386/i386.c (override_options): Don't accept
2177 -mtls-dialect=sun any longer.
2178 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
2179 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
2180 (*tls_local_dynamic_base_32_sun): Likewise.
2181 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2183 2010-03-24 Jakub Jelinek <jakub@redhat.com>
2186 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
2187 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
2190 * ira.c (adjust_cleared_regs): New function.
2191 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
2195 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
2197 * expr.c (expand_expr_real): Restore previous
2198 curr_insn_source_location and curr_insn_block after
2199 expand_expr_real_1 call.
2200 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
2201 instead of expand_expr_real_1.
2203 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
2205 PR rtl-optimization/43413
2206 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
2209 2010-03-22 James E. Wilson <wilson@codesourcery.com>
2212 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
2213 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
2215 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
2217 * config/i386/i386.c (ix86_target_string): Add -mfma.
2218 Fix a typo in comment.
2220 2010-03-22 Mike Stump <mikestump@comcast.net>
2223 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2224 Don't overly align based upon packed packed fields.
2226 2010-03-22 Jason Merrill <jason@redhat.com>
2228 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
2229 Use () rather than [], and move before the element type.
2231 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2233 * doc/configfiles.texi (Configuration Files): Removed
2234 fixinc/Makefile*, intl/Makefile.*.
2235 * doc/makefile.texi: Fixed markup. Abstract from version
2236 control system used.
2237 (Makefile): Removed obsolete gcc/java/parse.y example.
2238 * doc/sourcebuild.texi: Likewise.
2239 (Top Level): Added config, gnattools, libdecnumber, libgcc,
2240 libgomp, libssp. Removed fastjar.
2241 (Miscellaneous Docs): Clarify location.
2242 Added COPYING3, COPYING3.LIB.
2243 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
2245 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2248 * config/i386/i386.c (x86_function_profiler)
2249 [!NO_PROFILE_COUNTERS]: Fix typo.
2250 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
2253 2010-03-22 Janis Johnson <janis187@us.ibm.com>
2254 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2256 * doc/sourcebuild.texi (Test Directives): Split into six
2257 subsections, with most of the current text in new subsections
2258 Directives, Selectors, and Final Actions.
2259 (Directives): Split list of test directives into multiple
2261 (Selectors): Describe use and syntax of selectors.
2262 (Effective-Target Keywords): Describe all existing keywords.
2263 (Add Options): Describe features for dg-add-options.
2264 (Require Support): Describe variants of dg-require-support.
2265 (Final Actions): Describe commands to use in dg-final.
2267 2010-03-22 Michael Matz <matz@suse.de>
2270 * recog.c (validate_replace_rtx_group): Replace also in
2271 REG_EQUAL and REG_EQUIV notes.
2273 2010-03-22 Richard Guenther <rguenther@suse.de>
2275 PR tree-optimization/43390
2276 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
2277 sure vector extracts are type correct.
2279 2010-03-22 Richard Guenther <rguenther@suse.de>
2282 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
2283 x * sqrt (x) even when optimizing for size if the target
2284 has native support for sqrt.
2286 2010-03-22 Jakub Jelinek <jakub@redhat.com>
2288 * varasm.c (make_decl_rtl_for_debug): Also clear
2289 flag_mudflap for the duration of make_decl_rtl call.
2292 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
2293 locs from preserved VALUEs.
2295 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2298 * pa.md (movmemsi): Set align to one if zero.
2299 (movmemdi): Likewise.
2301 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
2304 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
2305 with their corresponding prologue pushes.
2307 2010-03-20 Andrew Pinski <pinskia@gmail.com>
2310 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
2311 at the begining or end.
2312 (spu_expand_epilogue): Likewise.
2314 2010-03-20 Richard Guenther <rguenther@suse.de>
2316 PR rtl-optimization/43438
2317 * combine.c (make_extraction): Properly zero-/sign-extend an
2318 extraction of the low part of a CONST_INT. Also handle
2321 2010-03-19 Mike Stump <mikestump@comcast.net>
2323 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
2324 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
2325 (override_options): Use SUBTARGET32_DEFAULT_CPU.
2327 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
2330 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
2333 2010-03-19 Bernd Schmidt <bernd.schmidt@codesourcery.com>
2335 PR rtl-optimization/42258
2336 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
2337 use that may match DEF.
2340 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
2341 the cost of loading the constant rather than assuming
2343 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
2344 outer code is AND, do the same tests as the andsi3 expander and
2345 return COSTS_N_INSNS (1) if and is cheap.
2347 * optabs.c (avoid_expensive_constant): Fix formatting.
2349 2010-03-19 Michael Matz <matz@suse.de>
2352 * attribs.c (decl_attributes): When rebuilding a function pointer
2353 type use the same qualifiers as the original pointer type.
2355 2010-03-19 Martin Jambor <mjambor@suse.cz>
2357 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
2358 and is_gimple_ip_invariant_address.
2360 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2363 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2365 * config/arm/arm.c (arm_override_options): Turn off
2366 flag_dwarf2_cfi_asm for AAPCS variants.
2368 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2371 * config/arm/arm.c (emit_multi_reg_push): Update comments.
2372 Use PRE_MODIFY instead of PRE_DEC.
2373 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
2374 (vfp_emit_fstmd): Likewise.
2376 2010-03-19 Michael Matz <matz@suse.de>
2379 * builtins.c (expand_builtin_interclass_mathfn,
2380 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
2383 2010-03-19 Richard Guenther <rguenther@suse.de>
2385 PR tree-optimization/43415
2386 * tree-ssa-pre.c (phi_translate): Split out worker to ...
2387 (phi_translate_1): ... this.
2388 (phi_translate): Move all caching here. Cache all NARY
2389 and REFERENCE translations.
2391 2010-03-19 David S. Miller <davem@davemloft.net>
2393 With help from Eric Botcazou.
2394 * config/sparc/sparc.c: Include dwarf2out.h.
2395 (emit_pic_helper): Delete.
2396 (pic_helper_symbol_name): Delete.
2397 (pic_helper_emitted_p): Delete.
2398 (pic_helper_needed): New.
2399 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
2400 (get_pc_thunk_name): New.
2401 (load_pic_register): Remove 'delay_pic_helper' arg. Use
2402 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
2403 Set pic_helper_needed to true. Don't call emit_pic_helper.
2404 (sparc_expand_prologue): Update load_pic_register call.
2405 (sparc_output_mi_thunk): Likewise.
2406 (sparc_file_end): Emit a hidden comdat symbol for the PIC
2407 thunk if possible. Output CFI information as needed.
2409 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
2410 Jack Howarth <howarth@bromo.med.uc.edu>
2413 * config/i386/i386.h: Fix ABI on darwin x86-32.
2415 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
2417 * tree.h: Declare make_decl_rtl_for_debug.
2418 * varasm.c (make_decl_rtl_for_debug): New.
2419 * dwarf2out.c (rtl_for_decl_location): Call it.
2420 * cfgexpand.c (expand_debug_expr): Call it.
2422 2010-03-18 Jakub Jelinek <jakub@redhat.com>
2425 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
2429 * var-tracking.c (vt_init_cfa_base): Do nothing if
2430 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
2432 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
2435 * var-tracking.c (canonicalize_vars_star): New.
2436 (dataflow_post_merge_adjust): Use it.
2438 2010-03-18 Jakub Jelinek <jakub@redhat.com>
2441 * var-tracking.c (non_suitable_const): New function.
2442 (add_uses): For DEBUG_INSNs with constants, don't record any
2443 value, instead just the constant value itself.
2444 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
2445 is not VAR_LOC_UNKNOWN_P, set var to the constant.
2446 (emit_notes_in_bb): Likewise.
2447 (emit_note_insn_var_location): For onepart variables if
2448 cur_loc is a VOIDmode constant, use DECL_MODE.
2450 2010-03-18 Martin Jambor <mjambor@suse.cz>
2453 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
2454 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
2455 all non-clones. Moved call redirection...
2456 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
2457 (cgraph_materialize_all_clones): Dispose of all
2458 combined_args_to_skip bitmaps.
2459 (verify_cgraph_node): Do not check for edges pointing to wrong
2460 nodes in inline clones.
2461 * tree-inline.c (copy_bb): Call
2462 cgraph_redirect_edge_call_stmt_to_callee.
2463 * ipa.c (cgraph_remove_unreachable_nodes): Call
2464 cgraph_node_remove_callees even when there are used clones.
2466 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
2468 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
2470 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
2473 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
2476 2010-03-18 Michael Matz <matz@suse.de>
2479 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
2480 into sqrt(x) if we need to preserve signed zeros.
2482 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
2483 Eric Botcazou <ebotcazou@adacore.com>
2485 PR rtl-optimization/43360
2486 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
2487 note if we don't know its invariant status.
2489 2010-03-18 Michael Matz <matz@suse.de>
2491 PR tree-optimization/43402
2492 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
2493 PHI chains of ssa names registered for update.
2495 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
2498 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
2499 non-offsettable and pre_modify update addressing.
2500 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
2501 and "2" alternatives "#".
2502 (*movdd_softfloat32): Make all alternatives "#";
2503 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
2504 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
2505 (*movdf_softfloat32): Make all alternatives "#";
2506 (movdi): Use the new DIFD mode iterator to create a common splitter
2507 for movdi, movdf and movdd patterns.
2509 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
2511 * common.opt (dumpdir): Remove redundant tab.
2513 2010-03-17 Martin Jambor <mjambor@suse.cz>
2515 PR tree-optimization/43347
2516 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
2517 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
2519 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
2521 PR rtl-optimization/42216
2522 * regrename.c (create_new_chain): New function, broken out from...
2523 (scan_rtx_reg): ... here. Call it. Handle the case where we are
2524 appending a use to an empty chain.
2525 (build_def_use): Remove previous changes that convert OP_INOUT to
2526 OP_OUT operands; instead detect the case where an OP_INOUT operand
2527 uses a previously untracked register and create an empty chain for it.
2529 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2531 * doc/extend.texi (Function Attributes): Rewrite unfinished
2532 sentence in ms_abi documentation.
2534 2010-03-17 Alan Modra <amodra@gmail.com>
2536 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
2537 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
2538 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
2539 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
2541 2010-03-16 Richard Henderson <rth@redhat.com>
2544 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
2545 (lower_try_finally): Save and restore eh_seq around the expansion
2548 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
2550 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
2551 statements before splitting block.
2553 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2555 * doc/sourcebuild.texi (Testsuites): Fix markup.
2556 Use pathnames relative to gcc/testsuite.
2557 (Test Directives): Move description of how timeout is determined.
2558 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
2559 (C Tests): Correct gcc.misc-tests directory.
2560 Framework tests now live in gcc.test-framework.
2562 2010-03-16 Richard Guenther <rguenther@suse.de>
2565 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
2566 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
2568 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
2569 Alexandre Oliva <aoliva@redhat.com>
2571 PR tree-optimization/42917
2572 * lambda-code.c (remove_iv): Skip debug statements.
2573 (lambda_loopnest_to_gcc_loopnest): Likewise.
2574 (not_interesting_stmt): Debug statements are not interesting.
2576 2010-03-16 Jakub Jelinek <jakub@redhat.com>
2580 * cselib.c (cselib_preserve_constants,
2581 cfa_base_preserved_val): New static variables.
2582 (preserve_only_constants): New function.
2583 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
2584 clear its REG_VALUES. If cselib_preserve_constants, don't
2585 empty the whole hash table, but preserve there VALUEs with constants,
2586 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
2587 (cselib_preserve_cfa_base_value): New function.
2588 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
2589 (cselib_init): Change argument to int bitfield. Set
2590 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
2592 (cselib_finish): Clear cselib_preserve_constants and
2593 cfa_base_preserved_val.
2594 * cselib.h (enum cselib_record_what): New enum.
2595 (cselib_init): Change argument to int.
2596 (cselib_preserve_cfa_base_value): New prototype.
2597 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
2598 * dse.c (dse_step1): Likewise.
2599 * cfgcleanup.c (thread_jump): Likewise.
2600 * sched-deps.c (sched_analyze): Likewise.
2601 * gcse.c (local_cprop_pass): Likewise.
2602 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
2603 If FN is non-NULL, call the callback always and whenever it returns
2604 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
2605 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
2606 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
2607 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
2608 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
2609 * var-tracking.c: Include recog.h.
2610 (bb_stack_adjust_offset): Remove.
2611 (vt_stack_adjustments): Don't call it, instead just gather the
2612 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
2613 (adjust_stack_reference): Remove.
2614 (compute_cfa_pointer): New function.
2615 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
2616 (struct adjust_mem_data): New type.
2617 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
2619 (get_address_mode): New function.
2620 (replace_expr_with_values): Use it.
2621 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
2622 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
2623 (adjust_sets): Remove.
2624 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
2625 Use get_address_mode.
2626 (get_adjusted_src): Remove.
2627 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
2628 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
2629 (add_with_sets): Don't call adjust_sets.
2630 (fp_setter, vt_init_cfa_base): New functions.
2631 (vt_initialize): Change return type to bool. Move most of pool etc.
2632 initialization to the beginning of the function from end. Pass
2633 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
2634 If !frame_pointer_needed, call vt_stack_adjustment before mos
2635 vector is filled, call vt_init_cfa_base if argp/framep has been
2636 eliminated to sp. If frame_pointer_needed and argp/framep has
2637 been eliminated to hard frame pointer, set
2638 hard_frame_pointer_adjustment and call vt_init_cfa_base after
2639 encountering fp setter in the prologue. For MO_ADJUST, call
2640 log_op_type before pusing the op into mos vector, not afterwards.
2641 Call adjust_insn before cselib_process_insn/add_with_sets,
2642 call cancel_changes (0) afterwards.
2643 (variable_tracking_main_1): Adjust for vt_initialize calling
2644 vt_stack_adjustments and returning whether it succeeded or not.
2646 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
2648 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
2651 2010-03-15 Jakub Jelinek <jakub@redhat.com>
2653 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
2655 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
2656 drap_reg has not been set.
2658 2010-03-15 Michael Matz <matz@suse.de>
2661 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
2662 use it to expand block copies.
2663 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
2664 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
2665 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
2667 2010-03-15 Richard Guenther <rguenther@suse.de>
2669 PR tree-optimization/43367
2670 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
2673 2010-03-15 Richard Guenther <rguenther@suse.de>
2675 PR tree-optimization/43317
2676 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
2678 2010-03-15 Martin Jambor <mjambor@suse.cz>
2680 PR tree-optimization/43141
2681 * tree-sra.c (create_abstract_origin): New function.
2682 (modify_function): Call create_abstract_origin.
2684 2010-03-15 Chris Demetriou <cgd@google.com>
2686 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
2689 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2692 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
2693 call insert_out_of_ssa_copy for default definitions.
2695 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2697 * graphite-clast-to-gimple.c (my_long_long): Defined.
2698 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
2699 * graphite-sese-to-poly.c (my_long_long): Defined.
2700 (scop_ivs_can_be_represented): Use it.
2702 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2704 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
2705 graphite-max-bbs-per-function, and loop-block-tile-size.
2706 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
2708 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
2710 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2712 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
2713 forward declaration.
2714 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
2715 (add_upper_bounds_from_estimated_nit): New.
2716 (build_loop_iteration_domains): Use it.
2718 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2720 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
2722 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2725 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
2726 should be an INTEGER_CST. Also handle CASE_CONVERT.
2728 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2730 * graphite.c (graphite_initialize): To bound the number of bbs per
2731 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
2732 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
2733 * doc/invoke.texi: Document it.
2735 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2737 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
2738 * graphite-sese-to-poly.h (build_poly_scop): Same.
2740 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
2742 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
2743 the number of parameters in the scop. Use as an upper bound
2744 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
2745 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
2746 * doc/invoke.texi: Document it.
2748 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
2750 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
2751 * doc/c-tree.texi: Remove.
2752 * doc/generic.texi: Merge c-tree.texi here.
2753 * doc/gccint.texi (Trees): Remove menu entry.
2754 (c-tree.texi): Remove @include.
2755 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
2756 * doc/languages.texi (Reading RTL): Ditto.
2758 2010-03-12 Steve Ellcey <sje@cup.hp.com>
2761 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
2763 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
2766 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
2767 code added to work around reload clobbering CONST insns.
2769 2010-03-12 Jakub Jelinek <jakub@redhat.com>
2771 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
2772 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
2773 (cselib_preserve_only_values): Remove retain argument, don't
2774 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
2775 * cselib.h (cselib_preserve_only_values): Remove retain argument.
2776 * var-tracking.c (micro_operation): Move insn field before union.
2777 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
2778 (struct variable_tracking_info_def): Remove n_mos field, change
2779 mos into a vector of micro_operations.
2780 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
2781 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
2782 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
2783 changing into a vector.
2784 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
2785 come before all other uops generated by add_stores.
2786 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
2788 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
2789 a vector. Run just one pass over the bbs instead of separate counting
2790 and computation phase.
2791 (vt_finalize): Free VTI (bb)->mos vector instead of array.
2794 * tree-inline.c (remap_decls): Put old_var rather than origin_var
2795 into *nonlocalized_list vector.
2796 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
2797 even if origin is non-NULL.
2798 (gen_variable_die): Likewise.
2799 (process_scope_var): Don't change origin.
2800 (gen_decl_die): Likewise.
2801 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
2802 before adding new edges instead of after it, fix moving over
2805 2010-03-11 David S. Miller <davem@davemloft.net>
2807 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
2809 * configure: Rebuild.
2811 2010-03-11 Martin Jambor <mjambor@suse.cz>
2813 PR tree-optimization/43257
2814 * tree.c (assign_assembler_name_if_neeeded): New function.
2815 (free_lang_data_in_cgraph): Assembler name assignment moved to the
2817 * tree.h (assign_assembler_name_if_neeeded): Declare.
2818 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
2819 the function if needed.
2821 2010-03-11 Chris Demetriou <cgd@google.com>
2823 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
2824 include/stdint-gcc.h, and include/stdint.h world-readable.
2826 2010-03-11 Richard Guenther <rguenther@suse.de>
2828 PR tree-optimization/43255
2829 * tree-vrp.c (process_assert_insertions_for): Do not insert
2830 asserts for trivial conditions.
2832 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2834 PR tree-optimization/43280
2835 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
2836 generation. Move calculation of size out of the if branch.
2837 (find_bswap): Modify compare number generation.
2839 2010-03-11 Richard Guenther <rguenther@suse.de>
2842 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
2843 (input_gimple_stmt): Fixup handled component types during
2844 operand read. Also fix up decls in ADDR_EXPRs.
2846 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
2848 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
2849 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
2851 2010-03-10 Jan Hubicka <jh@suse.cz>
2854 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
2855 * varasm.c (get_variable_section): Don't do that here...
2856 (make_decl_rtl): ... and here.
2857 (do_assemble_alias): Produce decl RTL.
2858 (assemble_alias): Likewise.
2860 2010-03-10 Jakub Jelinek <jakub@redhat.com>
2863 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
2864 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
2866 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
2867 (based_loc_descr): Only express drap or vdrap regno based expressions
2868 using DW_OP_fbreg when not optimizing.
2869 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
2870 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
2871 REG_CFA_SET_VDRAP note.
2873 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
2875 PR tree-optimization/43236
2876 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
2877 error in calculation of base address in reverse iteration case.
2878 (generate_builtin): Take number of latch executions if the statement
2881 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
2884 * tree-eh.c: Include pointer-set.h.
2885 (lower_eh_dispatch): Filter out duplicate case labels and
2886 remove the unneeded edge when the label is unused. Return
2887 true when some edges are removed.
2888 (execute_lower_eh_dispatch): When any lowering resulted in
2889 removing an edge, also delete unreachable blocks.
2891 2010-03-10 Jakub Jelinek <jakub@redhat.com>
2894 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
2895 UNSPEC_MACHOPIC_OFFSET.
2897 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
2900 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
2901 (m68k_delegitimize_address): New function.
2903 2010-03-09 Jakub Jelinek <jakub@redhat.com>
2906 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
2909 * var-tracking.c (adjust_sets): New function.
2910 (count_with_sets, add_with_sets): Use it.
2911 (get_adjusted_src): New inline function.
2912 (add_stores): Use it.
2915 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
2916 call cselib_dummy_expand_value_rtx_cb instead of
2917 cselib_expand_value_rtx_cb.
2920 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
2921 * config/i386/i386.c: Include debug.h and dwarf2out.h.
2922 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
2923 and .cfi_endproc around the pic thunks.
2924 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
2925 all queued unwind info register saves are saved before the call.
2926 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
2927 considered as sp-=4 for unwind info and the pop as sp+=4 which
2928 also clobbers dest, but doesn't actually restore it.
2931 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
2932 RTX_FRAME_RELATED_P.
2934 2010-03-09 Jie Zhang <jie@codesourcery.com>
2936 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
2937 whitespaces in output template.
2939 2010-03-09 Jie Zhang <jie@codesourcery.com>
2941 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
2944 2010-03-08 Jakub Jelinek <jakub@redhat.com>
2946 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
2947 builtins.exp in a separate job.
2949 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2951 * graphite-sese-to-poly.c (add_param_constraints): Use
2952 lower_bound_in_type and upper_bound_in_type.
2954 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2956 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
2957 instead of unsigned_type_node.
2959 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2960 Reza Yazdani <reza.yazdani@amd.com>
2963 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
2964 on pointer type parameters.
2966 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
2970 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
2971 handle conversions from pointer to integers.
2972 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
2973 induction variable, to be able to work with code generated by CLooG.
2974 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
2975 (build_poly_scop): Bail out if we cannot codegen a loop.
2977 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
2979 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
2980 code generation with gloog_error.
2982 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2984 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
2985 Call fold_convert on all the returned values.
2986 (expand_scalar_variables_expr): Pass to
2987 expand_scalar_variables_ssa_name the type of the resulting expression.
2989 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2991 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
2992 ppl_min_for_le_pointset.
2993 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
2994 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
2996 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
2998 * graphite-dependences.c (map_into_dep_poly): Removed.
2999 (dependence_polyhedron_1): Use combine_context_id_scat.
3001 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3003 * graphite-poly.h (struct poly_scattering): Add layout documentation.
3004 (struct poly_bb): Same.
3005 (combine_context_id_scat): New.
3007 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3010 * sese.c (name_defined_in_loop_p): Return false for default
3013 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3015 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
3016 and clean up the logic.
3018 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3020 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
3023 2010-03-08 Jakub Jelinek <jakub@redhat.com>
3025 * var-tracking.c (remove_cselib_value_chains): Define only for
3027 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
3028 delete_slot_part, emit_notes_for_differences_1): Don't call
3029 remove_cselib_value_chains here.
3030 (set_slot_part, emit_notes_for_differences_2): Don't call
3031 add_cselib_value_chains here.
3032 (preserved_values): New vector.
3033 (preserve_value): New function.
3034 (add_uses, add_stores, vt_add_function_parameters): Use it
3035 instead of cselib_preserve_value.
3036 (changed_values_stack): New vector.
3037 (check_changed_vars_0): New function.
3038 (check_changed_vars_1, check_changed_vars_2): Use it.
3039 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
3040 changed_values_stack VALUEs.
3041 (vt_emit_notes): For all preserved_values call
3042 add_cselib_value_chains. If ENABLE_CHECKING call
3043 remove_cselib_value_chains before verifying value_chains is empty.
3044 Initialize and free changed_values_stack.
3045 (vt_initialize): Initialize preserved_values.
3046 (vt_finalize): Free preserved_values.
3048 2010-03-08 Richard Guenther <rguenther@suse.de>
3050 PR tree-optimization/43269
3051 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
3054 2010-03-08 Martin Jambor <mjambor@suse.cz>
3056 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
3057 (ipa_is_param_called): Removed.
3058 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
3059 (ipa_print_node_params): Do not print the called flag.
3060 (ipa_write_node_info): Do not stream the called flag.
3061 (ipa_read_node_info): Likewise.
3063 2010-03-07 Jakub Jelinek <jakub@redhat.com>
3066 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
3067 * cselib.c (struct expand_value_data): Add dummy field.
3068 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
3070 (cselib_dummy_expand_value_rtx_cb): New function.
3071 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
3073 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
3074 * var-tracking.c: Include pointer-set.h.
3075 (variable): Change n_var_parts to char from int. Add
3076 cur_loc_changed and in_changed_variables fields.
3077 (variable_canonicalize): Remove.
3078 (shared_var_p): New inline function.
3079 (unshare_variable): Maintain cur_loc_changed and
3080 in_changed_variables fields. If var was in changed_variables,
3081 replace it there with new_var. Just copy cur_loc instead of
3082 resetting it to something else.
3083 (variable_union): Don't recompute cur_loc. Use shared_var_p.
3084 (dataflow_set_union): Don't call variable_canonicalize.
3085 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
3086 of their DEBUG_EXPR_TREE_DECLs.
3087 (canonicalize_loc_order_check): Verify that cur_loc is NULL
3088 and in_changed_variables and cur_loc_changed is false.
3089 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
3090 and cur_loc_changed. Don't update cur_loc here.
3091 (variable_merge_over_src): Don't call variable_canonicalize.
3092 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
3093 removing loc that is equal to cur_loc, clear cur_loc,
3094 set cur_loc_changed and ensure variable_was_changed is called.
3095 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
3096 compare pointers in cur_loc check, if it is equal to loc,
3097 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
3098 (variable_different_p): Remove compare_current_location argument,
3099 don't compare cur_loc.
3100 (dataflow_set_different_1): Adjust variable_different_p caller.
3101 (variable_was_changed): If dv had some var in changed_variables
3102 already, reset in_changed_variables flag for it and propagate
3103 cur_loc_changed over to the new variable. On empty var
3104 always set cur_loc_changed. Set in_changed_variables on whatever
3105 var is added to changed_variables.
3106 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
3107 Use shared_var_p. When removing loc that is equal to cur_loc,
3108 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
3109 end, don't set it to something else, just call variable_was_changed.
3110 (delete_slot_part): Use shared_var_p. When cur_loc equals to
3111 loc being removed, clear cur_loc and set cur_loc_changed.
3112 Set cur_loc_changed if all locations have been removed.
3113 (struct expand_loc_callback_data): New type.
3114 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
3115 allocated. Always create SUBREGs if simplify_subreg failed.
3116 Prefer to use cur_loc, when that fails and still in
3117 changed_variables (and seen first time) recompute it. Set
3118 cur_loc_changed of variables which had to change cur_loc and
3119 compute elcd->cur_loc_changed if any of the subexpressions used
3120 had to change cur_loc.
3121 (vt_expand_loc): Adjust to pass arguments in
3122 expand_loc_callback_data structure.
3123 (vt_expand_loc_dummy): New function.
3124 (emitted_notes): New variable.
3125 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
3126 that weren't used for any other decl in current
3127 emit_notes_for_changes call call vt_expand_loc_dummy to update
3128 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
3129 first loc_chain location if NULL before. Always use just
3130 cur_loc instead of first loc_chain location. When cur_loc_changed
3131 is false, when not --enable-checking=rtl just don't emit any note.
3132 When rtl checking, compute the note and assert it is the same
3133 as previous note. Clear cur_loc_changed and in_changed_variables
3134 at the end before removing from changed_variables.
3135 (check_changed_vars_3): New function.
3136 (emit_notes_for_changes): Traverse changed_vars to call
3137 check_changed_vars_3 on each changed var.
3138 (emit_notes_for_differences_1): Clear cur_loc_changed and
3139 in_changed_variables. Recompute cur_loc of new_var.
3140 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
3141 (vt_emit_notes): Initialize and destroy emitted_notes.
3143 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
3145 PR rtl-optimization/42220
3146 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
3147 Use verify_reg_tracked to determine if we should use OP_OUT rather
3149 (build_def_use): If we see an in-out operand for a register that we
3150 know nothing about, treat is an output if possible, fail the block if
3153 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3156 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
3159 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3162 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
3163 uses of relevant DEFs that are dead outside the loop too.
3165 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3167 * var-tracking.c (dataflow_set_merge): Swap src and src2.
3169 2010-01-13 Jakub Jelinek <jakub@redhat.com>
3171 * var-tracking.c (values_to_unmark): New variable.
3172 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
3173 values_to_unmark vector. Moved body to...
3174 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
3175 instead queue it into values_to_unmark vector.
3176 (vt_find_locations): Free values_to_unmark vector.
3178 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
3180 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
3181 (site.exp): Export them when plugins are enabled.
3183 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
3186 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
3188 (chrec_fold_multiply): Same.
3190 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
3193 * c-decl.c (build_compound_literal): Return early if init is
3196 2010-03-04 Martin Jambor <mjambor@suse.cz>
3198 PR tree-optimization/43164
3199 PR tree-optimization/43191
3200 * tree-sra.c (type_consists_of_records_p): Reject records with
3201 zero-size bit-fields at the end.
3203 2010-03-04 Mike Stump <mikestump@comcast.net>
3205 * Makefile.in (TAGS): Remove *.y.
3207 2010-03-04 Richard Guenther <rguenther@suse.de>
3209 PR tree-optimization/40761
3210 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
3212 (my_rev_post_order_compute): New function.
3213 (init_pre): Call it.
3215 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
3218 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
3219 decrease the cost of an IV candidate when the cost is infinite.
3221 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3223 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
3224 Use '3DNow!' for the extension of that name, ensure normal space
3226 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3228 2010-03-03 Jeff Law <law@redhat.com>
3230 * PR middle-end/32693
3231 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
3232 than gen_rtx_SUBREG.
3233 (extract_bit_field_1): Likewise.
3235 2010-03-03 Janis Johnson <janis187@us.ibm.com>
3237 * doc/sourcebuild.texi (Test directives): Document that arguments
3238 include-opts and exclude-opts are now optional for dg-skip-if,
3239 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
3241 2010-03-03 Jason Merrill <jason@redhat.com>
3244 * cgraph.h (varpool_node): Add extra_name field.
3245 * varpool.c (varpool_extra_name_alias): New.
3246 (varpool_assemble_decl): Emit extra name aliases.
3247 (varpool_mark_needed_node): Look past an extra name alias.
3248 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
3249 * lto-streamer-in.c (lto_input_tree): Read it.
3250 * lto-streamer-out.c (output_unreferenced_globals): Write it.
3252 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
3254 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
3255 (sparc*-*-solaris2*): ...this.
3257 2010-03-03 Jakub Jelinek <jakub@redhat.com>
3260 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
3261 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
3262 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
3263 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
3266 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
3267 fallthrough to default handling, just with want_address 0 instead of 2.
3268 For single element lists, add_AT_loc directly, otherwise create an
3269 artificial variable DIE and stick location list to it.
3272 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
3273 (VAL_EXPR_HAS_REVERSE): Define.
3274 (reverse_op): New function.
3275 (add_stores): For reversible operations add an extra MO_VAL_USE.
3277 2010-03-02 Jason Merrill <jason@redhat.com>
3279 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
3281 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
3283 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
3284 (sparc64-*-linux*): Likewise.
3285 (sparc64-*-solaris2*): Include assembler files before linker ones.
3286 (sparc-*-solaris2*): Simplify and reorder to match previous case.
3287 * config/sparc/gas.h: Delete.
3288 * config/sparc/sol2-64.h: Add copyright notice.
3289 * config/sparc/sol2-gas-bi.h: Likewise.
3290 * config/sparc/sol2-gld.h: Likewise.
3291 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
3292 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
3293 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
3294 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
3295 (sparc_elf_asm_named_section): Rename into...
3296 (sparc_solaris_elf_asm_named_section): ...this. Always define.
3298 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
3300 * config/alpha/alpha.c (override_options): Fix -mtune error message.
3302 2010-03-02 Jeff Law <law@redhat.com>
3305 * reload1.c (rtx_p, substitute_stack): Declare.
3306 (substitute): Record addresses of changed rtxs.
3307 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
3308 Restore the original rtx when complete.
3309 (reload): Free subsitute_stack when complete.
3311 2010-03-02 Janis Johnson <janis187@us.ibm.com>
3313 * doc/gccint.texi (menu): Add Testsuites as a chapter.
3314 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
3316 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
3317 LTO Testing, gcov Testing, profopt Testing, compat Testing,
3318 Torture Tests): Change from subsection to section.
3320 2010-03-02 Jakub Jelinek <jakub@redhat.com>
3321 Steven Bosscher <steven@gcc.gnu.org>
3323 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
3326 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
3329 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
3330 the assignment from the new induction variable to the assignment
3331 of the value from the original loop PHI function.
3333 2010-03-01 Janis Johnson <janis187@us.ibm.com>
3334 Daniel Jacobowitz <dan@codesourcery.com>
3336 * doc/sourcebuild.texi (Test directives): Clarify options to
3339 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3341 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
3342 Disable cfi directives unless GCC and gas agree on using read-only
3343 .eh_frame sections for 64-bit.
3344 * configure: Regenerate.
3346 2010-03-01 Richard Guenther <rguenther@suse.de>
3348 PR tree-optimization/43220
3349 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
3350 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
3352 2010-03-01 Richard Guenther <rguenther@suse.de>
3353 Martin Jambor <mjambor@suse.cz>
3356 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
3357 gimplified parameters.
3359 2010-03-01 Christian Bruel <christian.bruel@st.com>
3361 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
3363 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
3365 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
3367 2010-03-01 Richard Guenther <rguenther@suse.de>
3370 * expr.c (expand_assignment): Use the alias-oracle to tell
3371 if the rhs aliases the result decl.
3373 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3376 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
3377 to sol_gt_pch_get_address.
3378 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
3379 64-bit, SPARC and x86.
3380 (sol_gt_pch_get_address): New function.
3382 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
3384 * toplev.h (inform_n, error_n): Declare.
3385 * diagnostic.c (inform_n, error_n): New function.
3387 2010-03-01 Jakub Jelinek <jakub@redhat.com>
3389 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
3390 has no rtl yet when processing local_decls, queue it and recheck
3391 if deferred stack allocation hasn't assigned it rtl.
3393 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
3395 * config/sh/sh.c (unspec_bbr_uid): New.
3396 (gen_block_redirect): Use it instead of INSN_UID.
3397 (gen_far_branch): Likewise.
3399 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
3401 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
3402 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
3404 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3406 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
3407 (Warning Options): -Wno-conversion-null is valid for
3408 Objective-C++ as well.
3409 * doc/tm.texi (Named Address Spaces): Likewise.
3410 * doc/plugins.texi (Plugins): Replace TABs with spaces.
3411 * doc/tree-ssa.texi (Tree SSA): Likewise.
3413 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
3416 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
3417 by default. Don't set the default arch for
3418 i[34567]86-*-darwin*|x86_64-*-darwin*.
3420 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
3423 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
3424 default. Set the default 32bit/64bit archs with $with_arch
3425 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
3427 2010-02-27 Richard Guenther <rguenther@suse.de>
3429 PR tree-optimization/43186
3430 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
3431 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
3432 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
3433 unroller iterations.
3435 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
3437 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
3438 required and i[34567]86-*-* targets don't support 64bit ISA.
3440 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
3443 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
3446 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
3448 * config.gcc: Set the default arch at least to Prescott for
3449 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
3450 if SSE math is enabled.
3452 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
3454 * diagnostic.c (diagnostic_initialize): Update.
3455 (diagnostic_report_diagnostic): Test inhibit_notes_p for
3457 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
3458 (diagnostic_inhibit_notes): New.
3459 * toplev.c (process_options): inhibit notes with -fcompare-debug.
3461 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
3464 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
3465 * doc/standards.texi: Likewise.
3466 * doc/extend.texi: Likewise.
3467 * doc/trouble.texi: Likewise.
3468 * doc/cppopts.texi: Likewise.
3469 * doc/install.texi: Likewise.
3470 * c.opt (std=c90,std=gnu90): New options.
3471 * c-opts.c (c_common_handle_option): Handle them.
3473 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
3476 * c-decl.c (undeclared_variable): Use an informative note.
3478 2010-02-26 Richard Guenther <rguenther@suse.de>
3480 PR tree-optimization/43186
3481 * gimple.h (gimple_fold): Remove.
3482 * gimple.c (gimple_fold): Remove. Inline into single user ...
3483 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
3484 Try harder for conditions.
3486 2010-02-26 Jakub Jelinek <jakub@redhat.com>
3489 * function.c (used_types_insert): Don't skip through named pointer
3490 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
3491 and it is different from the main variant's type.
3493 2010-02-26 Nick Clifton <nickc@redhat.com>
3495 * config/rx/rx.md (sminsi3): Remove bogus alternative.
3497 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
3499 * config.gcc: Support --with-fpmath=sse for x86.
3501 * config/i386/ssemath.h: New.
3503 * doc/install.texi (--with-fpmath=sse): Documented.
3505 2010-02-26 Richard Guenther <rguenther@suse.de>
3507 PR tree-optimization/43188
3508 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
3509 vector types of over-aligned element type.
3511 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
3514 * config/i386/i386.c (expand_vec_perm_blend): Use correct
3515 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
3517 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
3519 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
3521 2010-02-26 Jakub Jelinek <jakub@redhat.com>
3523 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
3524 * var-tracking.c: Include diagnostic.h.
3525 (debug_dv): New function.
3526 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
3529 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
3530 (add_value_chain, add_value_chains, remove_value_chain,
3531 remove_value_chains): Handle DEBUG_EXPRs.
3532 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
3535 * regcprop.c (struct queued_debug_insn_change): New type.
3536 (struct value_data_entry): Add debug_insn_changes field.
3537 (struct value_data): Add n_debug_insn_changes field.
3538 (debug_insn_changes_pool): New variable.
3539 (free_debug_insn_changes, apply_debug_insn_changes,
3540 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
3541 (kill_value_one_regno): Call free_debug_insn_changes if needed.
3542 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
3544 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
3546 (copyprop_hardreg_forward_1): Don't call apply_change_group for
3547 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
3548 changes, call cprop_find_used_regs via note_stores.
3549 (copyprop_hardreg_forward): When copying vd from predecessor
3550 which has any queued DEBUG_INSN changes, make sure the pointers are
3551 cleared. At the end call df_analyze and then if there are any
3552 DEBUG_INSN changes queued at the end of some basic block for still
3553 live registers, apply them.
3554 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
3556 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
3558 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
3561 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
3563 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
3564 targets. Set the default with_cpu/with_arch from arch/cpu.
3565 Allow x86-64 and native for with_cpu/with_arch.
3567 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
3569 * ebitmap.c: Change calls to verify_popcount with calls to
3570 sbitmap_verify_popcount.
3571 (ebitmap_clear_bit): Fixed map->cacheindex test and
3572 map>cache update when bit clearing results in an empty
3575 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
3578 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
3579 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
3580 and support both V2DF and V2DI modes.
3581 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
3582 support both V2DF and V2DI modes.
3583 (general): Delete trailing whitespace from a few patterns.
3585 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
3586 V2DF/V2DI interleave high/low builtins.
3588 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
3591 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
3592 interleave high/low functions.
3594 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
3596 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
3597 #pragma extern_prefix.
3599 2010-02-25 Jakub Jelinek <jakub@redhat.com>
3602 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
3603 BLKmode, assert op0 is a MEM and just adjust its mode.
3606 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
3607 if bitpos isn't multiple of mode's bitsize.
3609 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
3611 * c.opt (-ftemplate-depth=): New.
3612 (-ftemplate-depth-): Deprecate.
3613 * optc-gen.awk: Handle -ftemplate-depth=.
3614 * opth-gen.awk: Likewise.
3615 * c-opts.c (c_common_handle_option): Likewise.
3616 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
3618 2010-02-24 Jason Merrill <jason@redhat.com>
3620 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
3622 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3624 * cfg.c (alloc_aux_for_block): Remove inline.
3625 (alloc_aux_for_edge): Likewise.
3627 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3629 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
3631 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3633 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
3634 * config/i386/sol2-gas.h: New file.
3635 * config.gcc (i[34567]86-*-solaris2*): Use it.
3637 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
3640 * c-typeck.c (ep_convert_and_check): New.
3641 (build_conditional_expr): Use it.
3642 (build_binary_op): Likewise.
3644 2010-02-24 Jakub Jelinek <jakub@redhat.com>
3646 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
3649 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
3650 bounds even for -O+.
3651 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
3652 expr needs to have DECL_NAME set.
3654 2010-02-24 Nick Clifton <nickc@redhat.com>
3656 * config/mep/mep.c: Include gimple.h.
3657 (mep_function_uses_sp): Delete unused function.
3658 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
3659 parameters. Use unsigned integers to count args. Return a
3660 NULL_RTX instead of an error_mark_node. Toidy up formatting.
3662 2010-02-23 Jakub Jelinek <jakub@redhat.com>
3665 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
3666 greater or equal to nelt instead of 2 * nelt.
3667 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
3670 2010-02-23 Jason Merrill <jason@redhat.com>
3673 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
3674 in cfun->local_decls even if they have register types.
3677 * stor-layout.c (place_field): Don't warn about unnecessary
3678 DECL_PACKED if the type is packed.
3680 2010-02-23 Jakub Jelinek <jakub@redhat.com>
3683 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
3684 GOTOFF relocs, even when the base reg isn't pic pointer.
3686 2010-02-23 Michael Matz <matz@suse.de>
3689 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
3690 (expand_gimple_basic_block): Generate and use debug temps if there
3691 are debug uses left after the last real use of TERed ssa names.
3692 Unlink debug immediate uses when they are expanded.
3694 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
3697 * config/i386/i386.c (override_options): Reorganise to provide
3698 better error messages.
3700 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
3703 * graphite-scop-detection.c (create_single_exit_edge): Move
3704 the call to find_single_exit_edge to....
3705 (create_sese_edges): ...here. Don't handle multiple edges
3706 exiting the function.
3707 (build_graphite_scops): Don't handle multiple edges
3708 exiting the function.
3710 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
3713 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
3714 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
3716 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
3719 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
3721 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
3724 * c-typeck.c (convert_arguments): Print declaration location.
3725 * c-common.c (validate_nargs): Rename as
3726 builtin_function_validate_nargs.
3727 (check_builtin_function_arguments): Update.
3729 2010-02-22 Richard Guenther <rguenther@suse.de>
3732 * tree-inline.c (declare_return_variable): Use the type of
3733 the call stmt lhs if available.
3735 2010-02-22 Duncan Sands <baldrick@free.fr>
3737 * passes.c (register_pass): Always consider all pass lists when
3738 ref_pass_instance_number is zero.
3740 2010-02-22 Richard Guenther <rguenther@suse.de>
3742 PR tree-optimization/42749
3743 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
3744 parameter. Do arithmetic in the original type.
3745 (update_accumulator_with_ops): Likewise.
3746 (adjust_accumulator_values): Adjust.
3748 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3750 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
3751 (QI to BLKmode splitter): New splitter.
3753 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
3755 * config/i386/i386.c (initial_ix86_tune_features): Turn on
3756 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
3758 2010-02-22 Richard Guenther <rguenther@suse.de>
3760 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
3762 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
3764 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
3765 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
3766 ($(T)crti.o, $(T)crtn.o): Remove rules.
3768 2010-02-21 Tobias Burnus <burnus@net-b.de>
3771 * doc/invoke.texi (-fassociative-math): Document that this
3772 option is automatically enabled for Fortran.
3774 2010-02-20 David S. Miller <davem@davemloft.net>
3776 * configure.ac: Test if linker and assembler properly support
3777 GOTDATA_OP relocations.
3778 * configure: Rebuild.
3779 * config.in: Likewise.
3780 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
3781 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
3782 (movsi_high_pic): Likewise.
3783 (movdi_lo_sum_pic): Likewise.
3784 (movdi_high_pic): Likewise.
3785 (movsi_pic_gotdata_op): New pattern.
3786 (movdi_pic_gotdata_op): Likewise.
3787 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
3788 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
3790 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
3793 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
3794 attribute to ssemul.
3795 (xop_mulv2div2di3_high): Ditto.
3797 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
3800 * c.opt (Wconversion-null): New option.
3801 * doc/invoke.texi (Wconversion-null): Document.
3803 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
3805 * common.opt (Wlarger-than-): Add Undocumented.
3807 2010-02-19 Mike Stump <mikestump@comcast.net>
3809 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
3811 2010-02-19 Jason Merrill <jason@redhat.com>
3814 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
3815 * configure: Likewise.
3817 2010-02-20 Alan Modra <amodra@gmail.com>
3820 * cgraph.h (cgraph_make_decl_local): Declare.
3821 * cgraph.c (cgraph_make_decl_local): New function.
3822 (cgraph_make_node_local): Use it.
3823 * cgraphunit.c (cgraph_function_versioning): Likewise.
3824 * ipa.c (function_and_variable_visibility): Likewise.
3826 2010-02-19 Jakub Jelinek <jakub@redhat.com>
3829 * except.c (sjlj_emit_function_enter): Don't call
3830 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
3832 * rtl.h (add_reg_br_prob_note): Remove prototype.
3834 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
3837 * c-common.c (conversion_warning): Remove widening conversions
3838 before checking the conversion of integers to reals.
3840 2010-02-19 Mike Stump <mikestump@comcast.net>
3843 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
3846 * cgraphunit.c (process_function_and_variable_attributes): Check
3847 DECL_PRESERVE_P instead of looking up attribute "used".
3848 * ipa-pure-const.c (check_decl): Likewise.
3849 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
3850 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
3851 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
3852 instead of attribute "used".
3853 * config/sol2-c.c (solaris_pragma_init): Likewise.
3854 (solaris_pragma_fini): Likewise.
3856 2010-02-19 Jakub Jelinek <jakub@redhat.com>
3858 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
3859 Use XCNEW instead of xcalloc.
3860 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
3861 XNEW instead of xmalloc.
3862 (get_fields): Use XNEWVEC instead of xmalloc.
3865 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
3866 populate vars array.
3867 (create_new_general_access): For debug stmts just reset value.
3868 (get_stmt_accesses): For accesses within debug stmts just record them
3869 using add_access_to_acc_sites instead of preventing the peeling or
3870 counting them as accesses.
3873 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
3875 2010-02-19 Richard Guenther <rguenther@suse.de>
3877 PR tree-optimization/42916
3878 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
3881 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
3883 * configure.ac: Replace all uses of changequote in macro arguments
3884 with proper quoting.
3886 2010-02-19 Jakub Jelinek <jakub@redhat.com>
3889 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
3891 2010-02-19 Richard Guenther <rguenther@suse.de>
3893 PR tree-optimization/42944
3894 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
3895 test for aliasing with errno.
3897 2010-02-19 Jakub Jelinek <jakub@redhat.com>
3900 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
3901 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
3902 * dojump.c: Include output.h.
3903 (inv): New inline function.
3904 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
3905 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
3906 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
3907 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
3908 argument, pass it down to other calls.
3909 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
3910 add REG_BR_PROB note to the conditional jump.
3911 * cfgexpand.c (add_reg_br_prob_note): Removed.
3912 (expand_gimple_cond): Don't call it, add the probability
3913 as last argument to jumpif_1/jumpifnot_1.
3914 * Makefile.in (dojump.o): Depend on output.h.
3915 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
3917 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
3918 * stmt.c (do_jump_if_equal): Likewise.
3919 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
3920 * loop-unswitch.c (compare_and_jump_seq): Likewise.
3921 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
3923 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
3924 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
3925 jumpifnot_1 callers.
3926 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
3928 (store_expr): Adjust jumpifnot caller.
3929 (store_constructor): Adjust jumpif caller.
3932 * gimplify.c (gimple_boolify): For __builtin_expect call
3933 gimple_boolify also on its first argument.
3935 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
3937 * configure.ac (gnu-unique-object): Wrap regexps using [] in
3939 (__stack_chk_fail): Ditto. Remove quadrigraphs.
3940 * configure: Regenerated.
3942 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3944 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
3945 lang_hooks.types_compatible_p instead of comptypes.
3947 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
3949 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
3950 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
3951 if __prefer_thumb__ is defined.
3953 2010-02-18 Martin Jambor <mjambor@suse.cz>
3955 PR tree-optimization/43066
3956 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
3957 array with zero-sized element type.
3959 2010-02-18 Jakub Jelinek <jakub@redhat.com>
3961 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
3962 rtx, allocate struct var_loc_node here and return it to the
3963 caller, and only if it is actually needed.
3964 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
3965 move it earlier and return immediately if it returns NULL.
3967 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
3969 * config/sparc/gas.h: New file. Restore
3970 TARGET_ASM_NAMED_SECTION to its ELF default.
3971 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
3973 * config/sparc/sparc.c (sparc_elf_asm_named_section):
3974 Likewise. Add ATTRIBUTE_UNUSED to prototype.
3975 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
3976 after sparc/sysv4.h.
3978 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
3980 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
3982 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
3984 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
3985 patterns from predicated pattern.
3987 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
3990 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
3991 for insn mnemonic suffix.
3993 2010-02-17 Richard Guenther <rguenther@suse.de>
3995 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
3998 2010-02-17 Jakub Jelinek <jakub@redhat.com>
4001 * caller-save.c (save_call_clobbered_regs): If BB ends with
4002 a DEBUG_INSN, move any notes in between last real insn and the last
4003 DEBUG_INSN after the last DEBUG_INSN.
4005 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
4007 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
4008 Fix return type. Fix argument type. Explain meaning of return value.
4010 2010-02-16 Richard Guenther <rguenther@suse.de>
4012 PR tree-optimization/41043
4013 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
4014 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
4016 (vrp_visit_phi_node): ... but only for loop PHI nodes.
4018 2010-02-16 Ira Rosen <irar@il.ibm.com>
4020 PR tree-optimization/43074
4021 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
4022 * tree-vect-loop.c (vect_analyze_loop_operations): Add
4023 vectorizable cycles in hybrid SLP check.
4024 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
4026 2010-02-16 Richard Guenther <rguenther@suse.de>
4028 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
4029 (true_dependence): If memrefs_conflict_p computes must-alias
4030 trust it. Move TBAA check after offset-based disambiguation.
4031 (canon_true_dependence): Likewise.
4033 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
4035 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
4036 * doc/invoke.texi: Document it.
4037 * var-tracking.c: Include toplev.h and params.h.
4038 (vt_find_locations): Return bool indicating success. Compute
4039 hash sizes unconditionally. Check new parameter, report.
4040 (variable_tracking_main_1): Check vt_find_locations results and
4041 retry. Renamed from...
4042 (variable_tracking_main): ... this. New wrapper to preserve
4043 flag_var_tracking_assignments.
4044 * Makefile.in (var-tracking.o): Adjust dependencies.
4046 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
4047 Jakub Jelinek <jakub@redhat.com>
4050 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
4051 if weak_import attribute is present.
4052 * config/darwin.c (machopic_select_section): Likewise.
4054 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
4056 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
4057 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
4058 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
4059 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
4061 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
4064 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
4067 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
4068 Rewrite text to refer to the names.
4070 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
4072 * config/i386/i386-builtin-types.def
4073 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
4074 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
4075 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
4076 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
4077 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
4078 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
4079 IX86_BUILTIN_VPERMIL2PS256.
4080 (MULTI_ARG_4_DF2_DI_I): Defined.
4081 (MULTI_ARG_4_DF2_DI_I1): Defined.
4082 (MULTI_ARG_4_SF2_SI_I): Defined.
4083 (MULTI_ARG_4_SF2_SI_I1): Defined.
4084 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
4085 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
4086 __builtin_ia32_vpermil2ps256.
4087 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
4088 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
4089 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
4090 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
4091 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
4092 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
4093 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
4094 CODE_FOR_xop_vpermil2v8sf3.
4095 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
4096 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
4097 * config/i386/xopintrin.h (_mm_permute2_pd): New.
4098 (_mm256_permute2_pd): New.
4099 (_mm_permute2_ps): New.
4100 (_mm256_permute2_ps): New.
4102 2010-02-15 Nick Clifton <nickc@redhat.com>
4104 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
4105 boolean parameters. Use emit_jump_insn when emitting a pop
4106 instruction containing a return insn.
4107 (push): Use 'true' rather than '1' as second parameter to F.
4108 (h8300_expand_prologue): Likewise.
4109 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
4110 (h8300_expand_epilogue): Likewise.
4112 2010-02-15 Richard Guenther <rguenther@suse.de>
4115 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
4118 2010-02-15 Nick Clifton <nickc@redhat.com>
4120 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
4123 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
4125 * intl.c (fake_ngettext): New function.
4126 * intl.h (fake_ngettext): Declare.
4127 (ngettext): Define macro.
4128 * collect2.c (notice_translated): New function.
4129 (main): Use notice_translated and ngettext.
4130 * collect2.h (notice_translated): Declare.
4132 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
4134 * reorg.c (delete_computation): Comment fixes.
4135 * caller-save.c (setup_save_areas): Idem.
4136 * sel-sched-dump.c (dump_lv_set): Idem.
4139 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4141 * config/s390/s390.c (s390_sched_init): New function.
4142 (TARGET_SCHED_INIT): Target hook defined.
4144 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
4145 Jack Howarth <howarth@bromo.med.uc.edu>
4146 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
4149 Partial revert of unintended change in fix for PR41605.
4150 * config/darwin.h: Fix typo.
4151 * config/darwin9.h: Same.
4153 2010-02-11 Jakub Jelinek <jakub@redhat.com>
4155 * c-pch.c (pch_init): Clear v.
4157 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4160 * graphite-scop-detection.c (graphite_can_represent_scev): Call
4161 graphite_can_represent_init for MULT_EXPR.
4163 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4167 * graphite-sese-to-poly.c (remove_phi): New.
4168 (translate_scalar_reduction_to_array): Call remove_phi.
4170 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4173 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
4174 * graphite-clast-to-gimple.h (gloog): Update declaration.
4175 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
4176 * graphite-poly.h (struct poly_bb): Add missing comments.
4177 (struct scop): Add poly_scop_p field.
4179 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
4180 * graphite.c (graphite_transform_loops): Build the polyhedral
4181 representation for each scop before code generation.
4182 * sese.c (rename_variables_in_operand): Removed.
4183 (rename_variables_in_expr): Return the renamed expression.
4184 (rename_sese_parameters): New.
4185 * sese.h (rename_sese_parameters): Declared.
4187 2010-02-11 Richard Guenther <rguenther@suse.de>
4189 PR tree-optimization/42998
4190 * tree-ssa-pre.c (create_expression_by_pieces): Treat
4191 POINTER_PLUS_EXPR properly.
4193 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4194 Changpeng Fang <changpeng.fang@amd.com>
4197 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
4198 the cost of an IV candidate when the IV is used in a test against zero.
4200 * gcc.dg/tree-ssa/ivopts-3.c: New.
4202 2010-02-11 Richard Guenther <rguenther@suse.de>
4205 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
4206 pointer-vs-decl case by swapping refs. Handle some cases
4207 of pointer-vs-decl disambiguations more conservatively.
4208 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
4209 to false after expanding.
4211 2010-02-11 Richard Guenther <rguenther@suse.de>
4214 * gcc.c (process_command): Handle LTO file@offset case more
4217 2010-02-11 Jakub Jelinek <jakub@redhat.com>
4219 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
4220 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
4222 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
4224 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
4225 if MEM's mode size isn't DWARF2_ADDR_SIZE.
4226 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
4227 Optimize eq/ne comparisons when both arguments are known to be
4229 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
4230 Don't mask operands unnecessarily if they are known to be already
4233 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
4235 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
4238 2010-02-10 Richard Guenther <rguenther@suse.de>
4240 PR tree-optimization/43017
4241 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
4242 for wrapping signed arithmetic.
4244 2010-02-10 Jakub Jelinek <jakub@redhat.com>
4247 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
4248 if no debug info should be emitted for it.
4250 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
4252 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
4253 note when flag_exceptions is set.
4255 2010-02-10 Duncan Sands <baldrick@free.fr>
4257 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
4259 2010-02-10 Richard Guenther <rguenther@suse.de>
4262 * tree.c (get_unwidened): Handle constants.
4263 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
4265 2010-02-10 Martin Jambor <mjambor@suse.cz>
4268 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
4269 check for variable argument counts independently.
4271 2010-02-10 Christian Bruel <christian.bruel@st.com>
4274 * config/sh/sh.c (find_barrier): Increase length for non delayed
4275 conditional branches.
4277 2010-02-10 Christian Bruel <christian.bruel@st.com>
4279 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
4281 2010-02-10 Jakub Jelinek <jakub@redhat.com>
4283 * builtins.c (set_builtin_user_assembler_name): Also handle
4284 ffs if int is smaller than word.
4286 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
4289 * ira-conflicts.c (get_dup): Remove.
4290 (process_reg_shuffles): Add new parameter. Use it as an
4291 additional guard for copy generation.
4292 (add_insn_allocno_copies): Rewrite.
4294 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
4296 * common.opt (fsched2-use-traces): Preserved for backward
4298 * doc/invoke.texi: Remove the documentation about option
4299 -fsched2-use-traces.
4300 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
4301 flag_sched2_use_traces.
4302 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
4303 the backward compatibility flag section.
4305 2010-02-09 Richard Guenther <rguenther@suse.de>
4307 PR tree-optimization/43008
4308 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
4309 make HEAP variables initialized from global memory if they
4310 are not known builtin functions.
4311 (find_func_aliases): Adjust.
4313 2010-02-09 Richard Guenther <rguenther@suse.de>
4315 PR tree-optimization/43000
4316 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
4317 arithmetic manually.
4319 2010-02-08 Jakub Jelinek <jakub@redhat.com>
4321 PR tree-optimization/42931
4322 * tree-loop-linear.c (try_interchange_loops): Don't call
4323 double_int_mul if estimated_loop_iterations failed.
4325 2010-02-08 Martin Jambor <mjambor@suse.cz>
4328 * tree-sra.c (build_accesses_from_assign): Do not mark in
4329 should_scalarize_away_bitmap if stmt has volatile ops.
4330 (sra_modify_assign): Do not process assigns piecemeal if if stmt
4333 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
4335 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
4337 2010-02-07 Adam Nemet <adambnmet@gmail.com>
4339 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
4342 2010-02-07 Andrew Pinski <pinskia@gmail.com>
4345 * df-core.c (df_finish_pass): Change type of saved_flags to int.
4347 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
4350 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
4351 to unknown_dependence.
4352 (graphite_legal_transform_dr): Handle the unknown_dependence.
4353 (graphite_carried_dependence_level_k): Same.
4355 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
4357 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
4359 2010-02-07 Richard Guenther <rguenther@suse.de>
4362 * expr.c (get_inner_reference): Always initialize *pbitsize.
4364 2010-02-07 Richard Guenther <rguenther@suse.de>
4367 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
4368 new ARRAY_REFs on variable size element or minimal index arrays.
4370 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
4371 gimple_fold_indirect_ref.
4373 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
4376 * arm.c (arm_override_options): Just return if the user has specified
4377 an invalid fpu name.
4379 2010-02-03 Jason Merrill <jason@redhat.com>
4382 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
4383 i386_pe_maybe_record_exported_symbol.
4385 2010-02-05 Steve Ellcey <sje@cup.hp.com>
4388 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
4389 (pa_delegitimize_address): New function.
4391 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
4393 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
4394 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
4396 2010-02-05 Richard Guenther <rguenther@suse.de>
4399 * lto-streamer-in.c (get_resolution): Deal with references
4400 to undefined functions.
4402 2010-02-05 Richard Guenther <rguenther@suse.de>
4404 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
4405 (fold_const_aggregate_ref): Likewise.
4406 (ccp_fold_stmt): Substitute loads.
4407 (maybe_fold_reference): Verify types before substituting.
4409 (fold_gimple_assign): Unshare properly.
4410 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
4412 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
4414 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
4415 for rs6000_gen_cell_microcode.
4417 2010-02-04 Richard Guenther <rguenther@suse.de>
4419 PR rtl-optimization/42952
4420 * dse.c (const_or_frame_p): Remove MEM handling.
4422 2010-02-04 Nick Clifton <nickc@redhat.com>
4424 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
4425 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
4426 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
4427 (mn10300_asm_output_mi_thunk): New function.
4428 (mn10300_can_output_mu_thunk): New function.
4429 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
4430 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
4431 (FUNCTION_ARG): Delete incorrect comment.
4433 2010-02-03 Jason Merrill <jason@redhat.com>
4436 * fold-const.c (operand_equal_p): Handle erroneous types.
4438 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
4440 * config/h8300/h8300.md (can_delay): Fix attibute condition.
4442 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
4444 PR rtl-optimization/42941
4445 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
4448 2010-02-03 Jason Merrill <jason@redhat.com>
4451 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
4453 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
4456 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
4457 (cselib_reset_table): Renamed from...
4458 (cselib_reset_table_with_next_value): ... this.
4459 (cselib_get_next_uid): Renamed from...
4460 (cselib_get_next_unknown_value): ... this.
4461 * cselib.c (next_uid): Renamed from...
4462 (next_unknown_value): ... this.
4463 (cselib_clear_table): Adjust.
4464 (cselib_reset_table): Adjust. Renamed from...
4465 (cselib_reset_table_with_next_value): ... this.
4466 (cselib_get_next_uid): Adjust. Renamed from...
4467 (cselib_get_next_unknown_value): ... this.
4468 (get_value_hash): Use hash.
4469 (cselib_hash_rtx): Likewise.
4470 (new_cselib_val): Adjust. Set and dump uid.
4471 (cselib_lookup_mem): Pass next_uid as hash.
4472 (cselib_subst_to_values): Likewise.
4473 (cselib_log_lookup): Dump uid.
4474 (cselib_lookup): Pass next_uid as hash. Adjust.
4475 (cselib_process_insn): Adjust.
4476 (cselib_init): Initialize next_uid.
4477 (cselib_finish): Adjust.
4478 (dump_cselib_table): Likewise.
4479 * dse.c (canon_address): Dump value uid.
4480 * print-rtl.c (print_rtx): Print value uid.
4481 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
4483 (dv_uid): New function, sort of renamed from...
4484 (dv_htab_hash): ... this, reimplemented in terms of it and...
4485 (dv_uid2hash): ... this. New.
4486 (variable_htab_eq): Drop excess assertions.
4487 (tie_break_pointers): Removed.
4488 (canon_value_cmp): Compare uids.
4489 (variable_post_merge_New_vals): Print uids.
4490 (vt_add_function_parameters): Adjust.
4491 (vt_initialize): Reset table. Adjust.
4493 2010-02-03 Richard Guenther <rguenther@suse.de>
4495 PR tree-optimization/42944
4496 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
4497 (call_may_clobber_ref_p_1): Likewise. Properly handle
4498 malloc and calloc clobbering errno.
4500 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
4502 * doc/invoke.texi: Fix name of sched1 dump.
4504 * opts.c (decode_options): Set flag_tree_switch_conversion
4505 only conditionally on optimize >= 2.
4507 * gcse.c: Assorted comment fixes in pass description.
4509 2010-02-03 Anthony Green <green@moxielogic.com>
4511 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
4512 nop padding in order to maintain alignment of storage location of
4513 target function address.
4514 (moxie_trampoline_init): Store target function address at newly
4516 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
4518 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
4520 2010-02-03 Richard Guenther <rguenther@suse.de>
4523 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
4525 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4527 * config.gcc: Reenable check for obsolete targets.
4528 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
4529 mips-sgi-irix6.[0-4]*.
4531 2010-02-02 Nick Clifton <nickc@redhat.com>
4533 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
4534 constant size of 4 as being the same as 0.
4535 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
4536 can take values in the range 0..4.
4538 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
4541 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
4542 as _darwin10_Unwind_FindEnclosingFunction().
4543 * libgcc-libsystem.ver: New.
4545 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
4548 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
4549 implicitly set registers.
4551 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
4553 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
4554 (arm_override_options): Allow automatic selection of the thread
4555 pointer register if thumb2.
4556 (legitimize_pic_address): Improve code sequences for Thumb2.
4557 (arm_call_tls_get_addr): Likewise.
4558 (legitimize_tls_address): Likewise.
4559 * arm.md (pic_load_addr_arm): Delete. Replace with ...
4560 (pic_load_addr_32bit): ... this. New named pattern.
4561 * thumb2.md (pic_load_addr_thumb2): Delete.
4562 (pic_load_dot_plus_four): Delete.
4563 (tls_load_dot_plus_four): New named pattern.
4565 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4568 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
4569 Document fix for TLS bug.
4571 2010-01-31 Richard Guenther <rguenther@suse.de>
4573 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
4574 conservatively correct.
4576 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4580 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4582 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
4584 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4586 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
4588 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
4590 * config.gcc: Adjust order of makefile fragments for mingw targets.
4592 2010-01-31 Richard Guenther <rguenther@suse.de>
4595 * gimplify.c (gimplify_init_constructor): For volatile LHS
4596 initialize a temporary.
4598 2010-01-31 Matthias Klose <doko@ubuntu.com>
4600 * configure.ac: Fix __stack_chk_fail check for cross builds configured
4602 * configure: Regenerate.
4604 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
4606 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
4607 the same alias set and their sizes different constantness.
4608 (aliasing_component_refs_p): Revert 2009-10-24 change.
4610 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4612 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
4615 2010-01-29 Richard Guenther <rguenther@suse.de>
4617 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
4618 Assert we successfully updated the call.
4620 2010-01-29 Jakub Jelinek <jakub@redhat.com>
4622 PR rtl-optimization/42889
4623 * df.h (df_set_bb_dirty_nonlr): New prototype.
4624 * df-core.c (df_set_bb_dirty_nonlr): New function.
4625 * df-scan.c (df_insn_rescan): Call it instead of
4626 df_set_bb_dirty for DEBUG_INSNs.
4628 2010-01-29 Richard Guenther <rguenther@suse.de>
4631 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
4632 quadratic behavior in most cases.
4634 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
4637 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
4638 in the call to gen_x86_movsicc_0_m1.
4640 2010-01-28 Richard Guenther <rguenther@suse.de>
4642 PR tree-optimization/42871
4643 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
4645 2010-01-28 Richard Guenther <rguenther@suse.de>
4647 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
4648 into call arguments.
4650 2010-01-28 Richard Guenther <rguenther@suse.de>
4653 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
4654 the forwarder if the destination is an EH landing pad.
4656 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
4658 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
4659 block list passed to gimple_duplicate_sese_tail.
4660 (parallelize_loops): Avoid parallelization when the function
4662 Avoid parallelization when the preheader is IRREDUCIBLE.
4663 Try to optimize when estimated_loop_iterations_int is unresolved.
4664 Add the loop's location to the dump file.
4665 * tree-cfg.c (add_phi_args_after_redirect): Remove.
4666 (gimple_duplicate_sese_tail): Remove the check for the latch.
4667 Redirect nexits to the exit block.
4668 Remove handling of the incoming edges to the latch.
4669 Redirect the backedge from the copied latch to the exit bb.
4671 2010-01-28 Michael Matz <matz@suse.de>
4674 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
4675 Wrap force_reg into a sequence, emit it before user.
4677 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
4679 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
4681 (arm_legacy_rev): Likewise.
4682 (thumb_legacy_rev): Likewise.
4684 2010-01-27 Jakub Jelinek <jakub@redhat.com>
4686 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
4687 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
4688 on MEM's address failed, try avoid_constant_pool_reference and
4689 recurse if it returned something different.
4690 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
4691 address, try avoid_constant_pool_reference and recurse if it
4692 returned something different.
4693 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
4694 address and avoid_constant_pool_reference returned something
4695 different, don't set have_address.
4697 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
4700 * var-tracking.c (val_store): Add modified argument, obey it.
4702 (count_uses): Move down logging of main.
4703 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
4704 don't need resolution.
4705 (emit_notes_in_bb): Likewise.
4707 2010-01-27 Richard Guenther <rguenther@suse.de>
4710 * tree-inline.c (remap_decl): Delay remapping of SSA name
4711 default definitions until we need them.
4713 2010-01-27 Jakub Jelinek <jakub@redhat.com>
4715 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
4716 (rs6000_delegitimize_address): New function.
4718 * config/s390/s390.c (s390_delegitimize_address): Call
4719 delegitimize_mem_from_attrs.
4722 * tree-inline.c (cannot_copy_type_1): Removed.
4723 (copy_forbidden): Don't forbid copying of functions containing
4724 records/unions with variable length fields.
4726 2010-01-27 Christian Bruel <christian.bruel@st.com>
4730 * config/sh/sh.c (find_barrier): Increase length for non delayed
4731 conditional branches.
4733 2010-01-27 Matthias Klose <doko@ubuntu.com>
4735 * configure.ac (gnu-unique-object): Fix ldd version check.
4736 * configure: Regenerate.
4738 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4740 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
4742 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
4743 Test for HAVE_GNU_AS value.
4745 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4747 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
4748 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
4749 INT64_TYPE): Define.
4750 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
4751 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
4752 INT_LEAST64_TYPE): Define.
4753 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
4754 UINT_LEAST64_TYPE): Define.
4755 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
4756 INT_FAST64_TYPE): Define.
4757 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
4758 UINT_FAST64_TYPE): Define.
4759 (INTMAX_TYPE, UINTMAX_TYPE): Define.
4760 (INTPTR_TYPE, UINTPTR_TYPE): Define.
4761 (SIG_ATOMIC_TYPE): Define.
4763 2010-01-26 Richard Guenther <rguenther@suse.de>
4765 * df-scan.c (df_scan_set_bb_info): Remove assert.
4766 (df_insn_rescan_debug_internal): Merge asserts.
4767 (df_install_ref): Likewise.
4768 (df_mark_reg): Use bitmap_set_range.
4769 (df_hard_reg_used_p): Remove assert.
4770 (df_hard_reg_used_count): Likewise.
4772 2010-01-26 Richard Guenther <rguenther@suse.de>
4774 PR rtl-optimization/42685
4775 * web.c (web_main): Ignore DEBUG_INSNs.
4777 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
4779 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
4781 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
4782 Fix types of fndecl and arglist parameters.
4784 2010-01-26 Richard Guenther <rguenther@suse.de>
4787 * tree-eh.c (unsplit_eh): Skip debug insns.
4789 2010-01-26 Richard Guenther <rguenther@suse.de>
4791 PR tree-optimization/42250
4792 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
4794 2010-01-26 Jakub Jelinek <jakub@redhat.com>
4797 * omp-low.c (expand_omp_sections): Only use single_pred if
4798 l2_bb is single_pred_p.
4800 2010-01-25 Christian Bruel <christian.bruel@st.com>
4803 * config/sh/sh.c (find_barrier): Increase length for non delayed
4804 conditional branches.
4805 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
4807 2010-01-24 David S. Miller <davem@davemloft.net>
4809 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
4810 define if not using GAS.
4811 * config/sparc/sparc.c (sparc_elf_asm_named_section):
4812 Likewise. Delete SECTION_MERGE code, which is only applicable
4815 2010-01-24 Mark Mitchell <mark@codesourcery.com>
4818 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
4819 mangling of va_list in system headers.
4821 2010-01-23 Toon Moene <toon@moene.org>
4823 * tree-predcom.c (combine_chains): Return NULL, not false.
4825 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
4827 * tree-loop-distribution.c (distribute_loop): Fix declaration and
4828 initialization of variable res to agree with return type.
4830 2010-01-22 Steve Ellcey <sje@cup.hp.com>
4832 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
4833 * tree-sra.c: Add include of expr.h.
4835 2010-01-22 Jakub Jelinek <jakub@redhat.com>
4837 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
4838 insert the debug stmt on the single non-EH edge from the stmt.
4840 2010-01-22 Richard Henderson <rth@redhat.com>
4843 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
4844 the RHS until after generate_subtree_copies has insertted its
4845 code before the current statement.
4847 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
4849 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
4851 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
4853 2010-01-21 Martin Jambor <mjambor@suse.cz>
4855 PR tree-optimization/42585
4856 * tree-sra.c (struct access): New field grp_total_scalarization.
4857 (dump_access): Dump the new field.
4858 (should_scalarize_away_bitmap): New variable.
4859 (cannot_scalarize_away_bitmap): Likewise.
4860 (sra_initialize): Allocate new bitmaps.
4861 (sra_deinitialize): Free new bitmaps.
4862 (create_access_1): New function.
4863 (create_access): Parts moved to create_access_1.
4864 (type_consists_of_records_p): New function.
4865 (completely_scalarize_record): Likewise.
4866 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
4867 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
4868 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
4870 (analyze_all_variable_accesses): Completely scalarize small eligible
4873 2010-01-21 Martin Jambor <mjambor@suse.cz>
4875 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
4877 2010-01-21 Andrew Haley <aph@redhat.com>
4879 * gcc.c (process_command): Move lang_specific_driver before
4880 setting cc_libexec_prefix.
4882 2010-01-21 Richard Guenther <rguenther@suse.de>
4885 * fold-const.c (negate_expr_p): Pretend only negative
4886 real constants are easily negatable.
4888 2010-01-20 Janis Johnson <janis187@us.ibm.com>
4889 Jason Merrill <jason@redhat.com>
4891 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
4892 (TYPE_TRANSPARENT_AGGR): this, for union and record.
4893 * calls.c (initialize argument_information): Handle it.
4894 * c-common.c (handle_transparent_union_attribute): Use new name.
4895 * c-decl.c (finish_struct): Ditto.
4896 * c-typeck.c (type_lists_compatible_p): Ditto.
4897 (convert_for_assignment): Use new name and also handle record.
4898 * function.c (aggregate_value_p): Handle it.
4899 (pass_by_reference): Ditto.
4900 (assign_parm_data_types): Ditto.
4901 * print-tree.c (print_node): Ditto.
4902 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
4903 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
4904 * tree.c (first_field): New fn.
4906 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
4909 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
4910 even when linking statically, for now.
4912 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
4915 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
4916 without a cselib val.
4917 (count_uses): Accept MO_VAL_SET with no val on stores.
4918 (add_stores): Likewise.
4920 2010-01-20 Jakub Jelinek <jakub@redhat.com>
4922 * var-tracking.c (check_value_val): Add a compile time assertion.
4923 (dv_is_decl_p): Simplify.
4924 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
4925 gcc_assert if ENABLE_CHECKING.
4927 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
4930 * var-tracking.c: Include tree-flow.h.
4931 (mem_dies_at_call): New.
4932 (dataflow_set_preserve_mem_locs): Use it.
4933 (dataflow_set_remove_mem_locs): Likewise.
4934 (dump_var): Renamed from dump_variable. Adjust all callers.
4935 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
4936 * Makefile.in (var-tracking.o): Adjust deps.
4938 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
4940 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
4942 2010-01-20 Richard Guenther <rguenther@suse.de>
4944 PR tree-optimization/42717
4945 * tree-ssa-dce.c (get_live_post_dom): Remove.
4946 (forward_edge_to_pdom): Take an arbitrary edge to copy
4947 degenerate PHI args from.
4948 (remove_dead_stmt): Use the first post-dominator even if it
4949 does not contain live statements as redirection destination.
4951 2010-01-20 Richard Guenther <rguenther@suse.de>
4953 * tree-inline.c (estimate_num_insns): Handle EH builtins.
4955 2010-01-20 Jakub Jelinek <jakub@redhat.com>
4957 * sel-sched.c (create_speculation_check): Remove set but not used
4959 (try_transformation_cache): Remove set but not used variable ds.
4960 (calculate_privileged_insns): Remove set but not used variables
4961 cur_insn and min_spec_insn.
4962 (find_best_expr): Remove set but not used variable avail_n.
4963 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
4965 * cgraphunit.c (assemble_thunk): Remove set but not used variable
4967 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
4968 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
4971 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
4974 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
4975 cpu types. Add support for *-sse3 cpu types.
4976 (x86_64-*-*): Ditto.
4978 2010-01-20 Jakub Jelinek <jakub@redhat.com>
4981 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
4982 argument, call initializer_constant_valid_p_1 instead of
4983 initializer_constant_valid_p, pass CACHE to it, return NULL
4984 immediately if first call returns NULL.
4985 (initializer_constant_valid_p_1): New function.
4986 (initializer_constant_valid_p): Use it.
4988 2010-01-20 Thomas Quinot <quinot@adacore.com>
4990 * tree.def (PLACEHOLDER_EXPR): Fix comment.
4992 2010-01-20 Jakub Jelinek <jakub@redhat.com>
4994 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
4995 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
4996 (loc_list_from_tree): Don't handle unsigned division. Handle
4997 signed modulo using DW_OP_{over,over,div,mul,minus}.
4998 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
4999 modulo instead of signed.
5001 2010-01-20 DJ Delorie <dj@redhat.com>
5003 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
5005 (h8300_emit_stack_adjustment): Propogate it.
5007 (h8300_expand_prologue): Likewise.
5008 (h8300_expand_epilogue): Likewise.
5010 2010-01-19 Michael Matz <matz@suse.de>
5012 PR tree-optimization/41783
5013 * tree-data-ref.c (toplevel): Include flags.h.
5014 (dump_data_dependence_relation): Also dump the inputs if the
5015 result will be unknown.
5016 (split_constant_offset_1): Look through some conversions.
5017 * tree-predcom.c (determine_roots_comp): Restart a new chain if
5018 the offset from last element is too large.
5019 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
5020 (reassociate_to_the_same_stmt): Handle vector registers.
5021 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
5023 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
5024 wide_prolog_niters argument, emit widening instructions.
5025 (vect_do_peeling_for_alignment): Adjust caller, use widened
5026 variant of the iteration cound.
5027 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
5029 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5032 * config/arm/neon-testgen.m (emit_automatics): New parameter
5033 features. Adjust for Fixed_return_reg feature.
5034 (test_intrinsic): Call emit_automatics with new feature.
5035 * config/arm/neon.ml: Update copyright years.
5036 (features): New Fixed_return_reg feature.
5037 (ops): Update feature for Vget_low.
5039 2010-01-19 Jakub Jelinek <jakub@redhat.com>
5041 PR tree-optimization/42719
5042 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
5046 * fwprop.c (all_uses_available_at): Return false if def_set dest
5047 is a REG that is used in def_insn.
5049 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
5051 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
5053 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
5056 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
5058 * target.h (struct gcc_target) <secondary_reload>: Change type
5059 of last argument to secondary_reload_info *.
5061 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
5064 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
5065 memory references with unaligned offsets. Remove CQImode handling.
5066 (unaligned_memory_operand): Return 1 for memory references with
5067 unaligned offsets. Remove CQImode handling.
5069 2010-01-18 Richard Guenther <rguenther@suse.de>
5072 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
5075 2010-01-18 Richard Guenther <rguenther@suse.de>
5077 PR tree-optimization/42781
5078 * tree-ssa-structalias.c (find_what_var_points_to): Skip
5079 restrict processing only if the original variable was artificial.
5081 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
5083 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
5084 find number of popped argument bytes.
5086 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
5087 Fix the text that describes the return value for invalid insns.
5089 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
5091 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
5092 Clarify what 'cost of the -dependence' is. Fix quoting.
5094 * toplev.c (default_get_pch_validity): Rename argument to "sz".
5095 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
5097 2010-01-17 Jakub Jelinek <jakub@redhat.com>
5099 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
5100 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
5102 2010-01-17 Richard Guenther <rguenther@suse.de>
5105 * function.c (split_complex_args): Take a VEC to modify.
5106 (assign_parms_augmented_arg_list): Build a VEC instead of
5107 a chain of PARM_DECLs.
5108 (assign_parms_unsplit_complex): Take a VEC of arguments.
5109 Do not fixup unmodified parms.
5110 (assign_parms): Deal with the VEC.
5111 (gimplify_parameters): Likewise.
5113 2010-01-17 Richard Guenther <rguenther@suse.de>
5115 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
5116 node existence check.
5117 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
5118 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
5119 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
5120 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
5121 (gimple_execute_on_growing_pred): Likewise.
5123 2010-01-17 Richard Guenther <rguenther@suse.de>
5125 PR tree-optimization/42773
5126 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
5127 (compute_antic_aux): Likewise.
5128 (compute_partial_antic_aux): Likewise.
5130 2010-01-17 Jie Zhang <jie.zhang@analog.com>
5133 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
5136 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
5138 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
5141 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
5142 Fix markup for strict argument.
5144 (TARGET_SCHED_REORDER2): Fix argument types.
5146 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
5147 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
5149 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
5150 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
5152 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
5155 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
5156 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
5157 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
5158 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
5159 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
5161 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
5163 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
5165 (TARGET_ASM_RELOC_RW_MASK): Add return type.
5166 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
5168 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
5170 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
5173 (TARGET_ASM_NAMED_SECTION): Fix argument list.
5175 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
5176 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
5178 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
5180 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
5182 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
5183 referring to it. Fix language.
5185 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
5187 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
5189 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
5191 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
5193 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
5194 '@var{stream}. Remove stray 'and'.
5196 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
5198 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
5200 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
5202 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
5203 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
5205 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
5206 Fix description of return value.
5207 Rename argument "sz" to "len."
5209 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
5210 Clarify meaning of 'true' return value.
5212 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
5214 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
5215 rep_mode versus mode_rep.
5217 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
5219 (TARGET_BUILTIN_DECL): Fix name.
5221 (TARGET_COMMUTATIVE_P): Fix type of first argument.
5223 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
5225 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
5227 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
5229 (TARGET_RELAXED_ORDERING): Use @deftypevr.
5231 (TARGET_GET_DRAP_RTX): Note that this is a hook.
5234 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
5235 Rename argument tm_fn to md_fn.
5237 (TARGET_OPTION_PRINT): Fix argument list.
5239 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
5242 * config/i386/i386.c (ix86_fixup_binary_operands):
5243 Revert FMA4 fixup of operands.
5245 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5248 * Makefile.in (write_entries_to_file, install-plugin):
5249 Use \012 instead of \n with tr.
5251 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
5253 * configure.ac (HAVE_AS_REF): New C macro.
5254 * configure: Regenerate.
5255 * config.in: Likewise.
5256 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
5258 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
5261 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
5263 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
5265 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
5267 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
5269 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
5271 (TARGET_IN_SMALL_DATA_P): Fix argument type.
5273 (TARGET_BINDS_LOCAL_P): Fix argument type.
5275 (TARGET_ASM_FILE_END): Use prototype.
5277 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
5279 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
5281 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
5283 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
5285 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
5286 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
5288 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
5289 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
5291 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
5292 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
5293 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
5294 (TARGET_ADDR_SPACE_CONVERT): Likewise.
5296 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
5298 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
5300 (TARGET_INIT_BUILTINS): Use prototype.
5302 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
5303 Put 'const char *' in braces. Fix parameter types.
5304 (TARGET_INVALID_CONVERSION): Fix parameter types.
5305 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
5306 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
5308 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
5311 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
5313 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
5315 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
5317 * doc/tm.texi (TARGET_HELP): Fix return type.
5319 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
5320 in braces. Fix argument types.
5322 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
5324 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
5326 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
5328 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
5329 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
5331 (TARGET_MANGLE_TYPE): Fix argument types.
5333 (TARGET_IRA_COVER_CLASSES): Use prototype.
5335 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
5337 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
5339 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
5341 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
5343 (TARGET_CALLEE_COPIES): Fix argument types.
5345 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
5347 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
5349 (TARGET_FUNCTION_VALUE): Fix argument types.
5351 (TARGET_RETURN_IN_MSB): Fix argument type.
5353 (TARGET_RETURN_IN_MEMORY): Fix argument types.
5355 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
5357 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
5359 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
5360 agree with return type.
5362 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
5364 2010-01-15 Jing Yu <jingyu@google.com>
5366 PR rtl-optimization/42691
5367 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
5368 a pseudo to a constant and are merged, and adjust comments.
5370 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
5372 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
5374 2010-01-15 Richard Guenther <rguenther@suse.de>
5377 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
5378 labels of computed or non-local gotos to the destination.
5379 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
5380 landing pad label is the first label.
5382 2010-01-15 Richard Guenther <rguenther@suse.de>
5384 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
5386 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
5389 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
5390 to allow generation of the xssqrtdp instruction on power7.
5391 (sqrtdf2_fpr): Ditto.
5393 2010-01-14 Jakub Jelinek <jakub@redhat.com>
5396 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
5397 functions with noreturn attribute.
5400 * varasm.c (declare_weak): Add weak attribute to decl if it
5401 doesn't have one already.
5402 (assemble_external): Only add decls to weak_decls if they also
5403 have weak attribute.
5405 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
5407 * var-tracking.c (var_reg_delete): Don't delete the association
5408 between REGs and values or one-part variables if the register
5411 2010-01-14 Jakub Jelinek <jakub@redhat.com>
5414 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
5415 because its first operand is a non-localized variable.
5417 2010-01-14 Martin Jambor <mjambor@suse.cz>
5419 PR tree-optimization/42706
5420 * tree-sra.c (encountered_recursive_call): New variable.
5421 (encountered_unchangable_recursive_call): Likewise.
5422 (sra_initialize): Initialize both new variables.
5423 (callsite_has_enough_arguments_p): New function.
5424 (scan_function): Call decl and flags check only for IPA-SRA, check
5425 whether there is a recursive call and whether it has enough arguments.
5426 (all_callers_have_enough_arguments_p): New function.
5427 (convert_callers): Look for recursive calls only when
5428 encountered_recursive_call is set.
5429 (ipa_early_sra): Bail out either if
5430 !all_callers_have_enough_arguments_p or
5431 encountered_unchangable_recursive_call.
5433 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5435 * sel-sched.c: Add 2010 to copyright years.
5436 * sel-sched-ir.c: Likewise.
5437 * sel-sched-ir.h: Likewise.
5439 2010-01-14 Martin Jambor <mjambor@suse.cz>
5441 PR tree-optimization/42714
5442 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
5443 constructors specially.
5445 2010-01-14 Andi Kleen <ak@linux.intel.com>
5447 * config/i386/drivers-i386.c (detect_caches_intel):
5448 Add l2sizekb parameter and fill in.
5449 (host_detect_local_cpu): Add l2sizekb, fill in.
5450 Add Atom small cache heuristic.
5452 2010-01-14 Andi Kleen <ak@linux.intel.com>
5454 * config/i386/drivers-i386.c (detect_caches_cpuid4):
5455 Add level3 parameter and fill in.
5456 (detect_caches_intel): Handle level3 cache.
5458 2010-01-14 Andi Kleen <ak@linux.intel.com>
5460 * config/i386/drivers-i386.c (host_detect_local_cpu):
5461 Fix core duo detection.
5463 2010-01-14 Andi Kleen <ak@linux.intel.com>
5465 * config/i386/drivers-i386.c (host_detect_local_cpu):
5468 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5470 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
5471 (rs6000_variable_issue_1): this. Use...
5472 (rs6000_variable_issue): here. Reimplement. Print debug info.
5474 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5476 * sel-sched-ir.c (sel_restore_other_notes): Rename to
5477 sel_restore_notes. Update all callers. Call reemit_notes
5480 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5482 PR rtl-optimization/42246
5483 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
5486 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5488 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
5489 all successors is the same as number of successors in current region.
5491 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5493 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
5494 to rename is not separable. Otherwise check that its LHS is not NULL.
5496 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5498 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
5500 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5502 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
5503 available registers when failed to discover LHS register class.
5504 Fix indentation. Update comment.
5506 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5507 Alexander Monakov <amonakov@ispras.ru>
5509 PR rtl-optimization/42389
5510 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
5512 (advance_state_on_fence): Likewise.
5513 (sel_target_adjust_priority): Print debug output only when
5514 sched_verbose >= 4, not 2.
5515 (get_expr_cost): Do not issue all unique insns on the next cycle.
5516 (fill_insns): Initialize can_issue_more from the value saved
5518 * sel-sched-ir.c (flist_add): New parameter issue_more.
5519 Init FENCE_ISSUE_MORE with it.
5520 (merge_fences): Likewise.
5521 (init_fences): Update call to flist_add.
5522 (add_to_fences, add_clean_fence_to_fences)
5523 (add_dirty_fence_to_fences): Likewise.
5524 (move_fence_to_fences): Update call to merge_fences.
5525 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
5527 * sel-sched-ir.h (struct _fence): New field issue_more.
5528 (FENCE_ISSUE_MORE): New accessor macro.
5530 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5532 PR rtl-optimization/42388
5533 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
5534 that have no predecessors nor successors. Do not call move_bb_info
5535 for empty blocks outside of current region.
5537 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5539 PR rtl-optimization/42294
5540 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
5541 * sel-sched.c (move_exprs_to_boundary): Transitively add all
5542 originators' originators.
5544 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5546 PR rtl-optimization/39453
5547 PR rtl-optimization/42246
5548 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
5550 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
5552 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5553 Alexander Monakov <amonakov@ispras.ru>
5556 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
5557 (maybe_tidy_empty_bb): ... here. Make static. Add new
5558 argument. Update all callers.
5559 (tidy_control_flow): ... and here. Recompute topological order
5560 of basic blocks in region if necessary.
5561 (sel_redirect_edge_and_branch): Change return type. Return true
5562 if topological order might have been invalidated.
5563 (purge_empty_blocks): Export and move from...
5564 * sel-sched.c (purge_empty_blocks): ... here.
5565 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
5566 (maybe_tidy_empty_bb): Delete prototype.
5567 (purge_empty_blocks): Declare.
5569 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5571 PR rtl-optimization/42249
5572 * sel-sched.c (try_replace_dest_reg): When chosen register
5573 and original register is the same, do not bail out early, but
5574 still check all original insns for validity of replacing destination
5575 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
5578 2010-01-14 Jakub Jelinek <jakub@redhat.com>
5581 Port from no-undefined-overflow branch:
5582 2009-03-09 Richard Guenther <rguenther@suse.de>
5584 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
5586 2010-01-14 Richard Guenther <rguenther@suse.de>
5589 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
5591 2010-01-14 Ira Rosen <irar@il.ibm.com>
5593 PR tree-optimization/42709
5594 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
5595 as scalar type in creation of constant vector operand.
5597 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5600 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
5601 (check-parallel-%): Match `testsuite' directory component only
5604 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
5606 PR translation/39521
5607 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
5610 2010-01-13 Richard Guenther <rguenther@suse.de>
5612 PR tree-optimization/42730
5613 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
5616 2010-01-13 Steve Ellcey <sje@cup.hp.com>
5619 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
5620 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
5623 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
5625 * config/bfin/libgcc-bfin.ver: Regenerate based on current
5626 libgcc-std.ver. Add entries for ___smulsi3_highpart and
5627 ___umulsi3_highpart.
5629 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
5630 rather than schedule_insns if the pass is enabled.
5632 2010-01-13 Martin Jambor <mjambor@suse.cz>
5634 PR tree-optimization/42704
5635 * tree-sra.c (sra_modify_assign): Do not delete assignments to
5638 2010-01-13 Martin Jambor <mjambor@suse.cz>
5640 PR tree-optimization/42703
5641 * tree-sra.c (analyze_access_subtree): Check that we can build a
5642 reference to the original data within the aggregate.
5644 2010-01-13 Richard Guenther <rguenther@suse.de>
5646 PR tree-optimization/42705
5647 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
5649 2010-01-13 Richard Guenther <rguenther@suse.de>
5652 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
5654 2010-01-13 Jakub Jelinek <jakub@redhat.com>
5657 * var-tracking.c (values_to_unmark): New variable.
5658 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
5659 values_to_unmark vector. Moved body to...
5660 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
5661 instead queue it into values_to_unmark vector.
5662 (vt_find_locations): Free values_to_unmark vector.
5664 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
5666 * config/s390/s390.c (override_options): Set
5667 default of max-pending-list-length to 256
5669 2010-01-13 Richard Guenther <rguenther@suse.de>
5672 * tree-pass.h (PROP_gimple_lcx): New.
5673 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
5674 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
5675 before the final cleanup_eh.
5676 (dump_properties): Dump PROP_gimple_lcx.
5677 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
5678 (tree_lower_complex_O0): Remove.
5679 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
5680 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
5681 tree_lower_complex, schedule TODO_update_ssa.
5682 * lto-streamer-out.c (output_function): Stream the functions
5684 * lto-streamer-in.c (input_function): Likewise.
5685 (lto_read_body): Do not override them here.
5687 2010-01-12 Joseph Myers <joseph@codesourcery.com>
5690 * c-typeck.c (build_c_cast): Fold value cast to union type before
5691 wrapping it in a CONSTRUCTOR.
5693 2010-01-12 Jakub Jelinek <jakub@redhat.com>
5695 PR rtl-optimization/42699
5696 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
5699 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5701 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
5702 SUBTARGET_WARN_UNUSED_SPEC): Move ...
5703 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
5704 SUBTARGET_WARN_UNUSED_SPEC): ... here
5705 * config/mips/iris5.h (LIBGCC_SPEC): Define.
5707 2010-01-12 Julian Brown <julian@codesourcery.com>
5709 * config/arm/neon-schedgen.ml (Utils): Don't try to
5710 open missing module.
5711 (find_with_result): New.
5713 2010-01-12 Jakub Jelinek <jakub@redhat.com>
5716 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
5717 sharing when canonicalizing ({lt,ge}u (plus a b) b).
5719 PR tree-optimization/42645
5720 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
5721 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
5722 decl_map, set processing_debug_stmt to -1 and return name without
5725 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
5727 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
5728 binutils version, and reword target configuration description.
5730 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
5732 * config/avr/avr.h (LINKER_NAME): Remove.
5734 2010-01-11 Janis Johnson <janis187@us.ibm.com>
5737 * config/rs6000/rs6000.c (rs6000_override_options): On targets
5738 that support VSX, warn for -mno-altivec if vsx is not disabled,
5741 2010-01-11 Joseph Myers <joseph@codesourcery.com>
5742 Shujing Zhao <pearly.zhao@oracle.com>
5744 PR translation/42469
5745 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
5746 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
5747 character between option name and help text.
5748 * c.opt (imultilib): Likewise.
5750 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
5752 * lto-streamer-out.c (output_unreferenced_globals): Output static
5755 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
5757 PR rtl-optimization/42621
5758 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
5759 optimizing for size.
5760 (duplicate_computed_gotos): Remove now-redundant check.
5762 2010-01-10 Steve Ellcey <sje@cup.hp.com>
5765 * configure.ac: Save and restore LDFLAGS and LIBS
5766 * configure: Regenerate.
5768 2010-01-10 Richard Guenther <rguenther@suse.de>
5771 * builtins.c (fold_builtin_strlen): Add type argument and
5772 convert the resulting length to it.
5773 (fold_builtin_1): Adjust.
5775 2010-01-09 Jakub Jelinek <jakub@redhat.com>
5777 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
5778 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
5780 (num_insns_constant_wide): Adjust for that change.
5782 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5785 * web.c (union_defs): Add used argument, to combine uses of
5787 (entry_register): Adjust type and tests of used argument.
5788 (web_main): Widen used for new use. Pass it to union_defs.
5789 * df.h (union_defs): Adjust prototype.
5791 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5794 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
5795 uses in new incoming argument. Free body.
5796 (reset_debug_uses_in_loop): New.
5797 (analyze_insn_to_expand_var): Call the latter if the former found
5798 anything. Fix whitespace. Reject invalid dest overlaps before
5799 going through all insns in the loop.
5801 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5804 * haifa-sched.c (dying_use_p): Debug insns don't count.
5806 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5809 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
5810 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
5811 (verify_gimple_call): Reject LHS in noreturn calls.
5813 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5817 * tree-vect-loop-manip.c (adjust_info): New type.
5818 (adjust_vec): New pointer to vector.
5819 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
5820 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
5821 (slpeel_update_phis_for_duplicate_loop): Use them.
5822 (slpeel_update_phi_nodes_for_guard1): Likewise.
5823 (slpeel_update_phi_nodes_for_guard2): Likewise.
5824 (slpeel_tree_peel_loop_to_edge): Likewise.
5825 (vect_update_ivs_after_vectorizer): Likewise.
5827 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5829 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
5830 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
5832 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
5834 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
5835 bogus uninitialized warning.
5837 2010-01-09 Richard Guenther <rguenther@suse.de>
5840 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
5841 the evolution is compatible with the initial condition.
5843 2010-01-09 Jakub Jelinek <jakub@redhat.com>
5845 * gcc.c (process_command): Update copyright notice dates.
5846 * gcov.c (print_version): Likewise.
5847 * gcov-dump.c (print_version): Likewise.
5848 * mips-tfile.c (main): Likewise.
5849 * mips-tdump.c (main): Likewise.
5851 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
5854 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
5856 (rotlhi3_8): Delete.
5858 (rotlsi3_8): Delete.
5859 (rotlsi3_16): Delete.
5860 (rotlsi3_24): Delete.
5862 (*rotw<mode>3): New.
5863 (*rotb<mode>3): New.
5864 * config/avr/avr.c (avr_rotate_bytes): New function.
5865 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
5867 2010-01-08 Steve Ellcey <sje@cup.hp.com>
5870 * configure.ac: Modify -rdynamic check.
5871 * configure: Regenerate.
5873 2010-01-08 DJ Delorie <dj@redhat.com>
5875 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
5876 register popping order.
5878 2010-01-08 Richard Guenther <rguenther@suse.de>
5881 * c.opt (fsigned-char): Also let LTO handle this option.
5882 (funsigned-char): Likewise.
5884 2010-01-07 Richard Guenther <rguenther@suse.de>
5886 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
5887 (gimple_op): Likewise.
5888 (gimple_op_ptr): Likewise.
5889 (gimple_assign_set_lhs): Remove gcc_assert.
5890 (gimple_assign_set_rhs1): Likewise.
5891 (gimple_assign_set_rhs2): Likewise.
5892 (gimple_call_set_lhs): Likewise.
5893 (gimple_call_set_fn): Likewise.
5894 (gimple_call_set_fndecl): Likewise.
5895 (gimple_call_fndecl): Likewise.
5896 (gimple_call_return_type): Likewise.
5897 (gimple_call_set_chain): Likewise.
5898 (gimple_call_num_args): Likewise.
5899 (gimple_call_set_arg): Likewise.
5900 (gimple_cond_set_code): Likewise.
5901 (gimple_cond_set_lhs): Likewise.
5902 (gimple_cond_set_rhs): Likewise.
5903 (gimple_cond_set_true_label): Likewise.
5904 (gimple_cond_set_false_label): Likewise.
5905 (gimple_label_set_label): Likewise.
5906 (gimple_goto_set_dest): Likewise.
5907 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
5908 (gimple_debug_bind_get_value): Likewise.
5909 (gimple_debug_bind_get_value_ptr): Likewise.
5910 (gimple_debug_bind_set_var): Likewise.
5911 (gimple_debug_bind_set_value): Likewise.
5912 (gimple_debug_bind_reset_value): Likewise.
5913 (gimple_debug_bind_has_value_p): Likewise.
5914 (gimple_return_retval_ptr): Remove gcc_assert.
5915 (gimple_return_retval): Likewise.
5916 (gimple_return_set_retval): Likewise.
5917 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
5918 (safe_referenced_var_iterator): Remove.
5919 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
5920 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
5921 (fill_referenced_var_vec): Remove.
5922 (first_readonly_imm_use): Remove redundant gcc_assert.
5923 (phi_arg_index_from_use): Combine gcc_asserts.
5924 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
5925 (first_imm_use_stmt): Remove redundant gcc_assert.
5926 * tree-cfg.c (verify_gimple_call): Verify function and chain
5927 operands. Verify arguments.
5928 (verify_types_in_gimple_stmt): Verify condition code and labels.
5930 2010-01-07 Richard Guenther <rguenther@suse.de>
5932 PR tree-optimization/42641
5933 * sese.c (rename_map_elt_info): Use the SSA name version, do
5936 2010-01-07 Jakub Jelinek <jakub@redhat.com>
5938 PR tree-optimization/42625
5939 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
5940 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
5942 2010-01-07 Duncan Sands <baldrick@free.fr>
5944 * Makefile.in (PLUGIN_HEADERS): Add version.h.
5946 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
5949 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
5950 note itself is not function_invariant_p.
5952 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
5954 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
5955 Do not add the DF_NOTE problem.
5956 * store-motion.c (execute_rtl_store_motion): Likewise.
5958 2010-01-07 Martin Jambor <mjambor@suse.cz>
5960 PR tree-optimization/42157
5961 * tree-sra.c (compare_access_positions): Stabilize sort if both
5962 accesses have integer types, return zero immediately if they are the
5965 2010-01-06 Richard Henderson <rth@redhat.com>
5968 * haifa-sched.c (add_to_note_list): Merge into ...
5969 (concat_note_lists): ... here, and ...
5970 (unlink_other_notes, rm_other_notes): Merge into...
5971 (remove_notes): ... here. Create REG_SAVE_NOTEs for
5972 NOTE_INSN_EPILOGUE_BEG.
5974 2010-01-06 Richard Guenther <rguenther@suse.de>
5976 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
5977 not inline regular functions into always-inline functions.
5979 2010-01-06 Nick Clifton <nickc@redhat.com>
5981 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
5982 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
5984 (OVERRIDE_OPTIONS): Delete.
5985 (OPTIMIZATION_OPTIONS): Define.
5986 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
5987 * config/rx/rx.c (rx_handle_option): Issue an error message if
5988 -mcpu=rx200 and -fpu are used together.
5989 (rx_set_optimization_options): New function. Issue an error
5990 message if an optimization attribute attempts to reset the FPU/
5991 math optimization pairing.
5992 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
5993 * config/rx/rx.opt: Set the default to 32-bit doubles.
5994 * config/rx/t-rx: Add multilibs for -nofpu option.
5995 * doc/invoke.texi: Update documentation of RX options.
5997 2010-01-06 Richard Guenther <rguenther@suse.de>
5999 * tree-ssa-pre.c (name_to_id): New global.
6000 (alloc_expression_id): Simplify SSA name handling.
6001 (lookup_expression_id): Likewise.
6002 (init_pre): Zero name_to_id.
6003 (fini_pre): Free it.
6005 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
6007 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
6009 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
6012 * config/i386/sse.md (smaxv2di3): New.
6013 (umaxv2di3): Likewise.
6014 (sminv2di3): Likewise.
6015 (uminv2di3): Likewise.
6017 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
6020 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
6021 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
6022 (legitimize_tls_address): Likewise.
6023 (sparc_tls_referenced_p): Likewise.
6024 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
6025 and adjust calls to legitimize_pic_address.
6026 (legitimate_constant_p) Use sparc_tls_referenced_p.
6027 (legitimate_pic_operand_p): Likewise.
6028 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
6029 (sparc_tls_symbol_ref_1): Delete.
6030 (sparc_tls_referenced_p): Make static, recognize specific patterns.
6031 (legitimize_tls_address): Make static, handle CONST patterns.
6032 (legitimize_pic_address): Make static, remove unused parameter and
6033 adjust recursive calls.
6034 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
6035 and adjust call to legitimize_pic_address.
6036 (sparc_output_mi_thunk): Likewise.
6038 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
6039 H.J. Lu <hongjiu.lu@intel.com>
6042 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
6043 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
6044 operands to make them signed.
6047 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6050 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
6051 GTU to GT for V4SI and V2DI.
6053 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
6054 (umin<mode>3): Removed.
6056 (uminv4si3): Likewise.
6058 2010-01-05 Martin Jambor <mjambor@suse.cz>
6060 PR tree-optimization/42462
6061 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
6062 current_function_decl to helper functions and macros.
6064 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6067 * flags.h: Don't include real.h.
6068 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
6069 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
6070 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
6071 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
6072 * dominance.c: Update copyright.
6073 * gimple.c (walk_gimple_op): Remove inline.
6074 * tree-ssa-reassoc.c: Include real.h.
6075 * Makefile.in (FLAGS_H): Remove $(REAL_H).
6076 (tree-ssa-reassoc.o): Depend on $(REAL_H).
6078 2010-01-05 Nick Clifton <nickc@redhat.com>
6080 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
6081 register to push into the stack frame when the accumulator has to
6082 be saved during interrupts.
6084 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
6086 * doc/invoke.texi: Remove the documentation about option
6088 * common.opt (Wunreachable-code): Preserved for backward
6090 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
6091 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
6092 the backward compatibility flag section.
6094 2010-01-05 Richard Guenther <rguenther@suse.de>
6096 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
6098 2010-01-05 Jakub Jelinek <jakub@redhat.com>
6101 * cfgexpand.c (expand_one_var): Diagnose too large variables.
6103 PR tree-optimization/42508
6104 * tree-sra.c (convert_callers): Check for recursive call
6105 by comparing cgraph nodes instead of decls.
6106 (modify_function): Call ipa_modify_formal_parameters also
6107 on all same_body aliases.
6109 * cgraphunit.c (cgraph_materialize_all_clones): Compare
6110 cgraph nodes when checking for same_body aliases.
6112 2010-01-05 Richard Guenther <rguenther@suse.de>
6114 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
6115 allocation and lookup.
6116 (get_or_alloc_expr_for_constant): Likewise.
6117 (phi_translate): Sink allocation.
6119 2010-01-04 Richard Guenther <rguenther@suse.de>
6121 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
6122 a new entry only if needed.
6123 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
6124 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
6126 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
6128 (phi_translate): Handle CONSTANTs early.
6130 2010-01-04 Martin Jambor <mjambor@suse.cz>
6132 PR tree-optimization/42398
6133 * tree-sra.c (struct access): Removed flag grp_different_types.
6134 (dump_access): Do not dump the removed flag.
6135 (sort_and_splice_var_accesses): Do not set the removed flag.
6136 (sra_modify_expr): Check for type compatibility directly.
6138 2010-01-04 Martin Jambor <mjambor@suse.cz>
6140 PR tree-optimization/42366
6141 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
6142 edges with variable number of parameters.
6143 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
6144 flag instead of asserting it.
6145 (ipa_read_node_info): Read uses_analysis_done flag.
6147 2010-01-04 Richard Guenther <rguenther@suse.de>
6149 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
6150 iterative_hash_* as intended.
6151 (vn_reference_compute_hash): Likewise. Simplify hashing
6153 (vn_reference_lookup_2): Likewise.
6154 (vn_nary_op_compute_hash): Likewise.
6155 (vn_phi_compute_hash): Likewise.
6156 (expressions_equal_p): Remove strange code.
6157 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
6158 (pre_expr_hash): Likewise. Simplify hashing SSA names.
6159 (bitmap_insert_into_set_1): Take value-id as parameter.
6160 (add_to_value): Pass it.
6161 (bitmap_insert_into_set): Likewise.
6162 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
6164 2010-01-04 Jakub Jelinek <jakub@redhat.com>
6167 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
6168 (do_self_spec): For switches with SWITCH_IGNORE set set also
6169 SWITCH_IGNORE_PERMANENTLY.
6170 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
6173 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
6175 * lto-streamer-out.c (output_unreferenced_globals): Output the full
6176 tree of an unreferenced global var.
6178 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6181 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
6182 GTU to GT for V4SI and V2DI.
6184 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
6185 (umin<mode>3): Removed.
6187 (uminv4si3): Likewise.
6189 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6192 * collect2.c (main): Turn on trace in collect2 if -v is passed
6195 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
6197 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
6198 description of expression operand.
6200 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
6202 * configure.ac: Add install-html to target_list for Make-hooks.
6203 * configure: Regenerate.
6204 * fortran/Make-lang.in (F95_HTMLFILES): New.
6205 (fortran.html): Use it.
6206 (fortran.install-html): New.
6207 * Makefile.in (install-html): Add lang.install-html.
6208 * java/Make-lang.in (JAVA_HTMLFILES): New.
6209 (java.html): Use it.
6210 (java.install-html): New.
6211 * objc/Make-lang.in (objc.install-html): New.
6212 * objcp/Make-lang.in (obj-c++.install-html): New.
6213 * cp/Make-lang.in (c++.install-html): New.
6214 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
6215 * lto/Make-lang.in (lto.install-html): New.
6217 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
6220 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
6222 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
6224 PR rtl-optimization/41862
6225 * store-motion.c (store_killed_in_insn, compute_store_table,
6226 remove_reachable_equiv_notes, replace_store_insn,
6227 build_store_vectors): Ignore all DEBUG_INSNs.
6229 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
6232 * common.opt: Add dumpdir.
6234 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
6236 (option_map): Add --dumpdir.
6238 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
6240 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
6242 * opts.c (decode_options): Try dump_dir_name first if
6243 dump_base_name isn't an absolute path.
6244 (common_handle_option): Handle OPT_dumpdir.
6246 * toplev.c (dump_dir_name): New.
6247 (print_switch_values): Also ignore -dumpdir.
6249 * toplev.h (dump_dir_name): New.
6251 2010-01-03 Richard Guenther <rguenther@suse.de>
6253 PR tree-optimization/42589
6254 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
6255 double-word expansion of bswap32.
6257 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
6259 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
6260 with BLOCK_FOR_INSN.
6261 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
6262 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
6263 noce_process_if_block): Likewise.
6264 * gcse.c (compute_local_properties, insert_expr_in_table,
6265 insert_set_in_table, canon_list_insert, find_avail_set,
6266 pre_insert_copy_insn): Likewise.
6268 * basic-block.h (BLOCK_NUM): Move from here...
6269 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
6271 2010-01-03 Richard Guenther <rguenther@suse.de>
6273 PR tree-optimization/42438
6274 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
6275 contains_may_not_return_call flag.
6276 (BB_MAY_NOTRETURN): New.
6277 (valid_in_sets): Trapping nary operations are not valid
6278 in blocks that may not return.
6279 (insert_into_preds_of_block): Remove check for trapping expressions.
6280 (compute_avail): Compute also BB_MAY_NOTRETURN.
6282 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
6284 * doc/invoke.texi: Add 2010 to copyright years.
6286 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
6288 * config/sparc/sparc.c: Fix formatting nits.
6290 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
6291 Alexander Monakov <amonakov@ispras.ru>
6293 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
6295 2010-01-02 Richard Guenther <rguenther@suse.de>
6298 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
6299 (simplify_switch_using_ranges): Mark to be removed edges
6302 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6304 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
6306 * collect2.c (scan_libraries): Add missing argument in call to
6309 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
6312 * config/alpha/predicates.md (aligned_memory_operand): Return false
6314 (unaligned_memory_operand): Return true for CQImode.
6315 * config/alpha/alpha.c (get_aligned_mem): Assert that location
6316 doesn not cross aligned SImode word boundary.
6318 2010-01-02 Anatoly Sokolov <aesok@post.ru>
6320 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
6322 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
6323 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
6325 2010-01-02 Richard Guenther <rguenther@suse.de>
6328 * toplev.c (compile_file): Emit LTO marker properly. Change
6330 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
6332 2010-01-01 Richard Guenther <rguenther@suse.de>
6335 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
6337 2010-01-01 Richard Guenther <rguenther@suse.de>
6340 * c-decl.c (grokdeclarator): For zero-size arrays force
6341 structural equality checks as layout_type does.
6343 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
6345 * builtins.c: Update copyright to 2010.
6347 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
6350 * lto-streamer-out.c (produce_asm): Revert the last change.
6351 (copy_function): Likewise.
6353 * lto-streamer.c (lto_get_section_name): Skip any leading
6356 2010-01-01 Richard Guenther <rguenther@suse.de>
6359 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
6363 Copyright (C) 2010 Free Software Foundation, Inc.
6365 Copying and distribution of this file, with or without modification,
6366 are permitted in any medium without royalty provided the copyright
6367 notice and this notice are preserved.