gcc/ChangeLog

   1 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
   2             Sebastian Pop  <sebastian.pop@amd.com>
   3
   4         PR tree-optimization/36206
   5         * tree-scalar-evolution.c: Remove enum INSERT_SUPERLOOP_CHRECS,
   6         FOLD_CONVERSIONS.
   7         (instantiate_scev_1): Rename flags to fold_conversions.
   8         Do not check for INSERT_SUPERLOOP_CHRECS, keep SSA_NAMEs defined
   9         outeside instantiation_loop.
  10         * tree-chrec.h (evolution_function_is_affine_in_loop): New.
  11         (evolution_function_is_affine_or_constant_p): Removed.
  12         * tree-data-ref.c (dr_analyze_indices): Replace resolve_mixers with
  13         instantiate_scev.
  14         (analyze_siv_subscript): Pass in the loop nest number.
  15         Call evolution_function_is_affine_in_loop instead of
  16         evolution_function_is_affine_p.
  17         (analyze_overlapping_iterations): Pass in the loop nest number.
  18
  19 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
  20             Sebastian Pop  <sebastian.pop@amd.com>
  21
  22         PR tree-optimization/36206
  23         * tree-chrec.h (chrec_fold_op): New.
  24         * tree-data-ref.c (initialize_matrix_A): Traverse NOP_EXPR, PLUS_EXPR, and
  25         other trees.
  26
  27 2008-05-20  Nathan Sidwell  <nathan@codesourcery.com>
  28
  29         * c-incpath.c (INO_T_EQ): Do not define on non-inode systems.
  30         (DIRS_EQ): New.
  31         (remove_duplicates): Do not set inode on non-inode systems.  Use
  32         DIRS_EQ.
  33
  34 2008-05-20  Sandra Loosemore  <sandra@codesourcery.com>
  35
  36         * config.gcc (tm_file): Update comments about relative pathnames.
  37
  38 2008-05-20  Richard Guenther  <rguenther@suse.de>
  39
  40         * tree-ssa-reassoc.c (fini_reassoc): Use the statistics
  41         infrastructure.
  42         * tree-ssa-sccvn.c (process_scc): Likewise.
  43         * tree-ssa-sink.c (execute_sink_code): Likewise.
  44         * tree-ssa-threadupdate.c (thread_through_all_blocks): Likewise.
  45         * tree-vrp.c (process_assert_insertions): Likewise.
  46         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
  47         (perform_tree_ssa_dce): Likewise.
  48         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
  49         (dump_dominator_optimization_stats): Likewise.
  50         * tree-vectorizer.c (vectorize_loops): Likewise.
  51
  52 2008-05-20  Richard Guenther  <rguenther@suse.de>
  53
  54         * tree-vn.c (vn_lookup_with_vuses): Do not use the alias oracle.
  55
  56 2008-05-20  Kai Tietz  <kai.tietz@onevision.com>
  57
  58         * config/i386/i386-protos.h (ix86_return_in_memory): Removed.
  59         (ix86_i386elf_return_in_memory): Likewise.
  60         (ix86_i386interix_return_in_memory): Likewise.
  61         * config/i386/i386-interix.h (TARGET_RETURN_IN_MEMORY): Removed.
  62         (SUBTARGET_RETURN_IN_MEMORY): New.
  63         * config/i386/i386elf.h: Likewise.
  64         * config/i386/ptx4-i.h: Likewise.
  65         * config/i386/sol2-10.h: Likewise.
  66         * config/i386/sysv4.h: Likewise.
  67         * config/i386/vx-common.h: Likewise.
  68         * config/i386/i386.h (TARGET_RETURN_IN_MEMORY): Removed.
  69         * config/i386/i386.c (ix86_return_in_memory): Made static and
  70         make use of optional SUBTARGET_RETURN_IN_MEMORY macro.
  71         (ix86_i386elf_return_in_memory): Removed.
  72         (ix86_i386interix_return_in_memory): Removed.
  73         (TARGET_RETURN_IN_MEMORY): Declared within i386.c only.
  74         * target-def.h (TARGET_RETURN_IN_MEMORY): Remove protection #ifdef.
  75
  76 2008-05-20  Alexandre Oliva  <aoliva@redhat.com>
  77
  78         * cselib.c (cselib_record_sets): Use correct mode for IF_THEN_ELSE.
  79
  80 2008-05-19  Xinliang David Li  <davidxl@google.com>
  81
  82         * tree-ssa-dce.c: Revert patches of 2008-05-17 and 2008-05-18.
  83         * opts.c: Ditto.
  84         * common.opt: Ditto.
  85         * doc/invoke.texi: Ditto.
  86
  87 2008-05-19  Eric Botcazou  <ebotcazou@adacore.com>
  88
  89         * tree.c (substitute_in_expr) <tcc_vl_exp>: Fix thinko.
  90         (substitute_placeholder_in_expr) <tcc_vl_exp>: Minor tweak.
  91
  92 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
  93
  94         * config/i386/i386.c (ix86_expand_vector_init_concat): Change
  95         sizes of operand array from 8/4 to 4/2.
  96         (ix86_expand_vector_init_general): Change size of operand array
  97         from 32 to 16.  Remove op0, op1 and half_mode.
  98
  99 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
 100
 101         * config/i386/i386.c (ix86_expand_vector_init_concat): New.
 102         (ix86_expand_vector_init_interleave): Likewise.
 103         (ix86_expand_vector_init_general): Use them.  Assert word_mode
 104         == SImode when n_words == 4.
 105
 106 2008-05-19  Uros Bizjak  <ubizjak@gmail.com>
 107
 108         * config/i386/i386.c (ix86_secondary_reload): New static function.
 109         (TARGET_SECONDARY_RELOAD): New define.
 110         * config/i386/i386.h (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
 111         * config/i386/i386.md (reload_outqi): Remove.
 112
 113 2008-05-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 114
 115         PR middle-end/35509
 116         * builtins.c (mathfn_built_in_1): Renamed from mathfn_built_in.
 117         Add `implicit' parameter.  Handle BUILT_IN_SIGNBIT.
 118         (mathfn_built_in): Rewrite in terms of mathfn_built_in_1.
 119         (fold_builtin_classify): Handle BUILT_IN_ISINF_SIGN.
 120         (fold_builtin_1): Likewise.
 121         * builtins.def (BUILT_IN_ISINF_SIGN): New.
 122         c-common.c (check_builtin_function_arguments): Handle
 123         BUILT_IN_ISINF_SIGN.
 124         * doc/extend.texi: Document __builtin_isinf_sign.
 125         * fold-const.c (operand_equal_p): Handle COND_EXPR.
 126
 127 2008-05-18  Eric Botcazou  <ebotcazou@adacore.com>
 128
 129         * tree-ssa-dom.c (tree_ssa_dominator_optimize): If some blocks need
 130         EH cleanup at the end of the pass, search for those that have been
 131         turned into forwarder blocks and do the cleanup on their successor.
 132
 133 2008-05-18  Richard Guenther  <rguenther@suse.de>
 134
 135         * tree-cfg.c (verify_gimple_expr): Allow conversions from
 136         pointers to sizetype and vice versa.
 137
 138 2008-05-18 Xinliang David Li   <davidxl@google.com>
 139
 140         * gcc/tree-ssa-dce.c: Coding style fix.
 141         (check_pow): Documentation comment.
 142         (check_log): Documenation comment. Coding style fix.
 143         (is_unnecessary_except_errno_call): Ditto.
 144         (gen_conditions_for_pow): Ditto.
 145         (gen_conditions_for_log): Ditto.
 146         (gen_shrink_wrap_conditions): Ditto.
 147         (shrink_wrap_one_built_in_calls): Ditto.
 148         * gcc/doc/invoke.texi: Better documentation string.
 149         * ChangeLog: Fix wrong change log entries from
 150         May 17 checkin on function call DCE.
 151
 152 2008-05-17  Kaz Kojima  <kkojima@gcc.gnu.org>
 153
 154         * config/sh/sh.c (sh_output_mi_thunk): Update the use of init_flow.
 155
 156 2008-05-17  Kenneth Zadeck <zadeck@naturalbridge.com>
 157
 158         * doc/rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P): Fixed typos.
 159         * df-problems.c (simulation routines): Fixed block comment to
 160         properly say how to add forwards scanning functions.
 161
 162 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
 163
 164         * tree-inline.c (setup_one_parameter): Remove dead code.
 165
 166 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
 167
 168         * fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
 169         a BIT_AND_EXPR only for an INTEGER_TYPE.
 170
 171 2008-05-17 Xinliang David Li   <davidxl@google.com>
 172
 173         * gcc/tree-ssa-dce.c (cond_dead_built_in_calls): New static variable.
 174         (check_pow, check_log, is_unnecessary_except_errno_call): New
 175         functions to check for eliminating math functions that are pure
 176         except for setting errno.
 177         (gen_conditions_for_pow, gen_conditionas_for_log): New functions to
 178         general condition expressions for shrink-wrapping pow/log calls.
 179         (gen_shrink_wrap_conditions): Ditto.
 180         (shrink_wrap_one_built_in_call): Ditto.
 181         (shrink_wrap_conditional_dead_built_in_calls): Ditto.
 182         (mark_operand_necessary): If debugging, output if OP is necessary.
 183         (eliminate_unnecessary_stmts): Eliminate pow, log calls that are
 184         unnecessary.
 185         * gcc/opts.c (decode_options): set flag_tree_builtin_dce to 1 when
 186         opt level >= 2.
 187         * gcc/common.opt: New user flag -ftree-builtin-dce.
 188         * gcc/doc/invoke.texi (-ftree-builtin-dce): New option.
 189
 190 2008-05-16  David S. Miller  <davem@davemloft.net>
 191
 192         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before overriding.
 193         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
 194
 195 2008-05-16  Uros Bizjak  <ubizjak@gmail.com>
 196
 197         PR target/36246
 198         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define.
 199
 200 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
 201
 202         * ifcvt.c (dead_or_predicable): Rename
 203         df_simulate_one_insn_backwards to df_simulate_one_insn.
 204         * recog.c (peephole2_optimize): Ditto.
 205         * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq):
 206         Ditto.
 207         * df.h: Rename df_simulate_one_insn_backwards to
 208         df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
 209         * df-problems.c (df_simulate_artificial_refs_at_top) Reversed
 210         scanning of defs and uses.
 211         (df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn.
 212         (df_simulate_one_insn_forwards): Removed.
 213
 214 2008-05-16  Doug Kwan  <dougkwan@google.com>
 215
 216         * real.c (real_to_decimal, real_to_hexadecimal): Distinguish
 217         QNaN & SNaN.
 218         (real_from_string): Handle NaNs and Inf as approriate.
 219
 220 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
 221
 222         * doc/gty.texi (Source Files Containing Type Information): Note
 223         that headers should appear first in the gtfiles list.
 224
 225 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
 226
 227         * tree.def (COND_EXEC): Properly documented this code.
 228
 229 2008-05-16  Diego Novillo  <dnovillo@google.com>
 230
 231         * dwarf2asm.c (dw2_assemble_integer): Clarify comment.
 232         * tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for
 233         the new field.
 234
 235 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
 236
 237         * tree-ssa-dse (max_stmt_uid): Removed.
 238         (get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt,
 239         tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
 240         * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
 241         * function.h (cfun.last_stmt_uid): New field.
 242         * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
 243         gimple_stmt_max_uid, set_gimple_stmt_max_uid, inc_gimple_stmt_max_uid):
 244         New functions.
 245         * tree-dfa.c (renumber_gimple_stmt_uids): New function.
 246         (create_stmt_ann): Initialize the ann->uid field.
 247         * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
 248         with new calls.
 249         * tree-flow.h (renumber_gimple_stmt_uids): New function.
 250
 251 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
 252
 253         * tree-flow.h (init_empty_tree_cfg_for_function): Declare.
 254         * tree-cfg.c (init_empty_tree_cfg_for_function): Define.
 255         (init_empty_tree_cfg): Call it.
 256
 257 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
 258
 259         * cfg.c (init_flow): Add argument THE_FUN.  Use it instead of cfun.
 260         Update all users.
 261
 262 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
 263
 264         * doc/invoke.text (-fdump-tree-*-verbose): New option.
 265         * tree-dump.c (dump_options): New verbose option.
 266         * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
 267         Add verbose dump.
 268         * tree-pass.h (TDF_VERBOSE): New dump flag.
 269         * print-tree.c (print_node): Added code to be able to print PHI_NODES.
 270         (tree-flow.h): Added include.
 271         * Makefile.in (print-tree.o):  Added TREE_FLOW_H.
 272
 273 2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>
 274
 275         * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.
 276
 277         From Jie Zhang  <jie.zhang@analog.com>
 278         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
 279         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
 280         mcpu=bf561-none and mcpu=bf561-0.2.
 281         * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
 282         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
 283         * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
 284         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
 285         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add BFIN_CPU_UNKNOWN.
 286         * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
 287         (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
 288         option.
 289         * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
 290         (cputype_selected): Remove.
 291         (bfin_handle_option): Don't use cputype_selected.
 292         (override_options): When no mcpu option, enable all workarounds.
 293         Don't use bfin_workarounds.
 294         * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
 295         processor type.
 296         (DEFAULT_CPU_TYPE): Don't define.
 297
 298 2008-05-16  Richard Guenther  <rguenther@suse.de>
 299
 300         * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
 301         on deletion of the last stmt.
 302
 303 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 304
 305         * config/i386/i386.c (ix86_expand_vector_init_general): Optimize
 306         V8HImode for SSE2 and V16QImode for SSE4.1.
 307
 308 2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>
 309
 310         * cgraph.h (compute_inline_parameters): Made public.
 311         * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
 312         variable_generate_summary, function_write_summary,
 313         variable_write_summary, variable_read_summary.  Added generate_summary,
 314         write_summary, read_summary.
 315         * cgraphunit.c (cgraph_process_new_functions): Changed call from
 316         pass_ipa_inline.function_generate_summary, to
 317         compute_inline_parameters.
 318         * ipa-inline.c (compute_inline_parameters): Made public and added
 319         node parameter.
 320         (compute_inline_parameters_for_current): New function.
 321         (pass_inline_param): Now calls compute_inline_parameters_for_current.
 322         (inline_generate_summary): Removed parameter and made to loop over
 323         all cgraph nodes.
 324         (pass_ipa_inline): Updated for new IPA_PASS structure.
 325         * passes.c (execute_ipa_summary_passes): Now is called once per
 326         pass rather than once per node*pass.
 327
 328 2008-05-15  Anatoly Sokolov <aesok@post.ru>
 329
 330         * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p,
 331         avr_have_mul_p, avr_asm_only_p): Remove variables.
 332         (avr_override_options): Remove initialization of removed variables.
 333         (avr_file_start):  Convert removed variables to fields of
 334         'struct base_arch_s *avr_current_arch'.
 335         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
 336         (AVR_HAVE_MUL): (Ditto.).
 337         (AVR_HAVE_MOVW): (Ditto.).
 338         (AVR_HAVE_LPMX): (Ditto.).
 339         (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p,
 340         avr_asm_only_p): Remove declaration.
 341
 342 2008-05-15  Diego Novillo  <dnovillo@google.com>
 343
 344         * config/arm/arm.c (arm_return_in_memory): Fix return type.
 345         * config/arm/arm-protos.h (arm_return_in_memory): Likewise.
 346
 347 2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>
 348
 349         PR middle-end/36194
 350         * combine.c (check_conversion): Rename back to check_promoted_subreg.
 351         Don't call record_truncated_value from here.
 352         (record_truncated_value): Turn it into a for_each_rtx callback.
 353         (record_truncated_values): New function.
 354         (combine_instructions): Call note_uses with record_truncated_values.
 355         Change name of check_conversion to check_promoted_subreg.
 356
 357 2008-05-15  Janis Johnson  <janis187@us.ibm.com>
 358
 359         * doc/sourcebuild.texi: Document support for torture tests.
 360
 361 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
 362
 363         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
 364         to alternative 4 of operand 2.
 365
 366 2008-05-15  Richard Guenther  <rguenther@suse.de>
 367
 368         * tree-pass.h (current_pass): Declare.
 369         (get_pass_for_id): Likewise.
 370         * passes.c (passes_by_id, passes_by_id_size): New globals.
 371         (set_pass_for_id): New function.
 372         (get_pass_for_id): Likewise.
 373         (register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
 374         (execute_function_todo): Flush per function statistics.
 375         * toplev.c (compile_file): Init statistics.
 376         (general_init): Do early statistics initialization.
 377         (finalize): Finish statistics.
 378         * statistics.h (statistics_early_init): Declare.
 379         (statistics_init): Likewise.
 380         (statistics_fini): Likewise.
 381         (statistics_fini_pass): Likewise.
 382         (statistics_counter_event): Likewise.
 383         (statistics_histogram_event): Likewise.
 384         * statistics.c: New file.
 385         * Makefile.in (OBJS-common): Add statistics.o.
 386         (statistics.o): Add dependencies.
 387         * doc/invoke.texi (-fdump-statistics): Document.
 388
 389         * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
 390         (insert): Likewise.
 391         (execute_pre): Use statistics_counter_event.
 392         * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
 393         (substitute_and_fold): Increment it.  Use statistics_counter_event.
 394
 395 2008-05-15  Diego Novillo  <dnovillo@google.com>
 396
 397         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html
 398
 399         * treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
 400         * tree-ssa-alias.c (new_type_alias): Remove references to
 401         sub-variables from comment.
 402         * tree-ssa-operands.c (swap_tree_operands): Likewise.
 403
 404 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
 405
 406         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
 407         attribute to 1 only for insertps alternative.
 408
 409 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
 410
 411         * config/bfin/bfin.md (loadbytes): New pattern.
 412         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
 413         (bfin_init_builtins): Initialize it.
 414         (bdesc_1arg): Add it.
 415
 416 2008-05-15  Sa Liu  <saliu@de.ibm.com>
 417
 418         * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
 419         * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
 420         * testsuite/lib/target-supports.exp: Add
 421         check_effective_target_fortran_integer_16.
 422
 423 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
 424
 425         * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
 426         * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
 427         * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
 428         (TARGET_RETURN_IN_MEMORY): Define.
 429
 430 2008-05-15  Richard Guenther  <rguenther@suse.de>
 431
 432         PR middle-end/36244
 433         * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
 434         * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
 435         represent unmodifiable vars.
 436
 437 2008-05-15  Richard Guenther  <rguenther@suse.de>
 438
 439         * tree-dfa.c (refs_may_alias_p): Allow all kinds of
 440         INDIRECT_REF and TARGET_MEM_REF.
 441         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
 442         TARGET_MEM_REF.
 443
 444 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
 445             H.J. Lu  <hongjiu.lu@intel.com>
 446
 447         * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
 448         (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
 449         for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
 450         insn alternatives.  Add missing alternatives.
 451         (*vec_concatv2di_rex64_sse4_1): Likewise.
 452         (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
 453         (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
 454         Require TARGET_SSE.
 455
 456 2008-05-15  Richard Guenther  <rguenther@suse.de>
 457
 458         PR tree-optimization/36009
 459         PR tree-optimization/36204
 460         * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
 461         (determine_invariantness_stmt): Record the loop a store is
 462         always executed in.
 463         * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
 464         dependency.
 465
 466 2008-05-15  Richard Guenther  <rguenther@suse.de>
 467
 468         PR tree-optimization/34330
 469         * tree-ssa-alias.c (get_smt_for): Only assert that accesses
 470         through the pointer will alias the SMT.
 471
 472 2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>
 473
 474         * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.
 475
 476 2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>
 477
 478         * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.
 479
 480 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
 481             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
 482
 483         * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
 484         OTI_vrotl, OTI_vrotr to support vector/vector shifts.
 485         (vashl_optab): New optab for vector/vector shifts.
 486         (vashr_optab): Ditto.
 487         (vlshr_optab): Ditto.
 488         (vrotl_optab): Ditto.
 489         (vrotr_optab): Ditto.
 490         (optab_subtype): New enum for optab_for_tree_code call.
 491         (optab_for_tree_code): Add enum optab_subtype argument.
 492
 493         * optabs.c (optab_for_tree_code): Take an additional argument to
 494         distinguish between a vector shift by a scalar and vector shift by
 495         a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
 496         shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
 497         vector shift by a vector.
 498         (expand_widen_pattern_expr): Pass additional argument to
 499         optab_for_tree_code.
 500
 501         * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
 502         vrotl_optab, vrotr_optab.
 503
 504         * expr.c (expand_expr_real_1): Update calls to
 505         optab_for_tree_code to distinguish between vector shifted by a
 506         scalar and vector shifted by a vector.
 507         * tree-vectorizer.c (supportable_widening_operation): Ditto.
 508         (supportable_narrowing_operation): Ditto.
 509         * tree-vect-analyze.c (vect_build_slp_tree): Ditto.
 510         * tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
 511         * tree-vect-transform.c (vect_model_reduction_cost): Ditto.
 512         (vect_create_epilog_for_reduction): Ditto.
 513         (vectorizable_reduction): Ditto.
 514         (vectorizable_operation): Ditto.
 515         (vect_strided_store_supported): Ditto.
 516         (vect_strided_load_supported): Ditto.
 517         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
 518         * expmed.c (expand_shift): Ditto.
 519
 520         * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
 521         scalar type.
 522         (ashr@var{m}3): Ditto.
 523         (vashl@var{m}3): Document new vector/vector shift standard name.
 524         (vashr@var{m}3): Ditto.
 525         (vlshr@var{m}3): Ditto.
 526         (vrotl@var{m}3): Ditto.
 527         (vrotr@var{m}3): Ditto.
 528
 529         * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
 530         (PPERM_INVERT): Ditto.
 531         (PPERM_REVERSE): Ditto.
 532         (PPERM_REV_INV): Ditto.
 533         (PPERM_ZERO): Ditto.
 534         (PPERM_ONES): Ditto.
 535         (PPERM_SIGN): Ditto.
 536         (PPERM_INV_SIGN): Ditto.
 537         (PPERM_SRC1): Ditto.
 538         (PPERM_SRC2): Ditto.
 539
 540         * config/i386/sse.md (mulv2di3): Add SSE5 support.
 541         (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
 542         allows a memory operand to be the value being added, and split it
 543         to improve vectorization.
 544         (sse5_pmacsdqh_mem): Ditto.
 545         (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
 546         (sse5_mulv2div2di3_high): Ditto.
 547         (vec_pack_trunc_v8hi): Add SSE5 pperm support.
 548         (vec_pack_trunc_v4si): Ditto.
 549         (vec_pack_trunc_v2di): Ditto.
 550         (sse5_pcmov_<mode>): Remove code that tried to use use
 551         andps/andnps instead of pcmov.
 552         (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
 553         pmacsdqh instructions.
 554         (vec_widen_smult_lo_v4si): Ditto.
 555
 556         * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
 557         (PPERM_INVERT): Ditto.
 558         (PPERM_REVERSE): Ditto.
 559         (PPERM_REV_INV): Ditto.
 560         (PPERM_ZERO): Ditto.
 561         (PPERM_ONES): Ditto.
 562         (PPERM_SIGN): Ditto.
 563         (PPERM_INV_SIGN): Ditto.
 564         (PPERM_SRC1): Ditto.
 565         (PPERM_SRC2): Ditto.
 566         (ix86_expand_sse_movcc): Move the SSE5 test after the if
 567         true/false tests.
 568         (ix86_expand_int_vcond): If SSE5 generate all possible integer
 569         comparisons.
 570         (ix86_sse5_valid_op_p): Allow num_memory to be negative, which
 571         says ignore whether the last reference is a memory operand.
 572
 573 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
 574             Paolo Bonzini <bonzini at gnu dot org>
 575
 576         * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
 577         shift patterns.
 578
 579         * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
 580         (vlshr<mode>3): Rename from vlshr<mode>3.
 581         (vashr<mode>3): Rename from vashr<mode>3.
 582         (mulv4sf3): Change the names of vector shift patterns.
 583         (mulv4si3): Ditto.
 584         (negv4sf2): Ditt.
 585
 586         * config/spu/spu.c (spu_initialize_trampoline): Rename vector
 587         shift insns.
 588
 589         * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
 590         (SI_SHLHI): Ditto.
 591         (SI_SHL): Ditto.
 592         (SI_SHLI): Ditto.
 593         (SI_ROTH): Ditto.
 594         (SI_ROTHI): Ditto.
 595         (SI_ROT): Ditto.
 596         (SI_ROTI): Ditto.
 597         (SPU_RL_0): Ditto.
 598         (SPU_RL_1): Ditto.
 599         (SPU_RL_2): Ditto.
 600         (SPU_RL_3): Ditto.
 601         (SPU_RL_4): Ditto.
 602         (SPU_RL_5): Ditto.
 603         (SPU_RL_6): Ditto.
 604         (SPU_RL_7): Ditto.
 605         (SPU_SL_0): Ditto.
 606         (SPU_SL_1): Ditto.
 607         (SPU_SL_2): Ditto.
 608         (SPU_SL_3): Ditto.
 609         (SPU_SL_4): Ditto.
 610         (SPU_SL_5): Ditto.
 611         (SPU_SL_6): Ditto.
 612         (SPU_SL_7): Ditto.
 613
 614         * config/spu/spu.md (v): New iterator macro to add v for vector types.
 615         (floatunssidf2_internal): Change vector/vector shift names.
 616         (floatunsdidf2_internal): Ditto.
 617         (mulv8hi3): Ditto.
 618         (ashrdi3): Ditto.
 619         (ashrti3): Ditto.
 620         (cgt_df): Ditto.
 621         (cgt_v2df): Ditto.
 622         (dftsv): Ditto.
 623         (vashl<mode>3): Rename from ashl<mode>3.
 624         (vashr<mode>3): Rename from ashr<mode>3.
 625         (vlshr<mode>3): Rename from lshr<mode>3.
 626         (vrotl<mode>3): Rename from rotl<mode>3.
 627
 628 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
 629
 630         PR target/36224
 631         * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
 632         multiply gives the wrong value when doing widening multiplies.
 633         (vec_widen_smult_lo_v4si): Ditto.
 634
 635 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
 636
 637         * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
 638         LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
 639         emit_library_call_value.
 640         * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
 641         * tree.h (ECF_LIBCALL_BLOCK): Removed.
 642         * calls.c (initialize_argument_information, precompute_arguments,
 643         expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
 644         (precompute_arguments): Removed flags parameter.
 645         * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
 646
 647 2008-05-14  Richard Guenther  <rguenther@suse.de>
 648
 649         * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
 650         Make sure to register the store if the use is a PHI_NODE.
 651
 652 2008-05-14  Olivier Hainque  <hainque@adacore.com>
 653
 654         * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
 655         memory if the component is to be referenced in BLKmode according
 656         to get_inner_reference.
 657
 658 2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>
 659
 660         * calls.c (emit_library_call_value_1): Restore code clearing
 661         ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.
 662
 663 2008-05-14  Olivier Hainque  <hainque@adacore.com>
 664             Nicolas Roche  <roche@adacore.com>
 665
 666         * configure.ac: Add support for a "gcc_subdir" variable in
 667         config-lang.in, to denote a subdirectory where the language/GCC
 668         integration files are to be found.
 669         * configure: Regenerate.
 670
 671 2008-05-14  Ira Rosen  <irar@il.ibm.com>
 672
 673         PR tree-optimization/36098
 674         * tree-vect-analyze.c (vect_analyze_group_access): Set the gap
 675         value for the first load in the group in case of a gap.
 676         (vect_build_slp_tree): Check that there are no gaps in loads.
 677
 678 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
 679
 680         * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
 681         * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
 682         expand_copysign_bit, ): Change call to emit_no_conflict_block to
 683         emit_insn and remove unneeded code to construct extra args.
 684         (emit_no_conflict_block): Removed.
 685         * optabls.h: (emit_no_conflict_block): Removed.
 686         * cse.c (cse_extended_basic_block): Remove search for
 687         REG_NO_CONFLICT note.
 688         * global.c: Removed incorrect comment added in revision 117.
 689         * expr.c (convert_move): Change call to emit_no_conflict_block to
 690         emit_insn.
 691         * recog.c: Change comments so that they do not mention
 692         REG_NO_CONFLICT.
 693         * local_alloc.c (combine_regs): Removed last parameter.
 694         (no_conflict_p): Removed.
 695         (block_alloc): Removed note, no_conflict_combined_regno and set
 696         local vars. Removed all code to process REG_NO_CONFLICT blocks.
 697         (combine_regs): Removed already_dead and code to look for
 698         REG_NO_CONFLICT notes.
 699         * lower_subreg (remove_retval_note): Removed code to look for
 700         REG_NO_CONFLICT block.
 701         (resolve_reg_notes): Removed REG_NO_CONFLICT case.
 702         (resolve_clobber): Remove code to process libcalls that have
 703         REG_NO_CONFLICT notes.
 704         * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
 705         case.
 706         * combine.c (can_combine_p, distribute_notes):  Removed
 707         REG_NO_CONFLICT case.
 708         * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
 709         to emit_insns.
 710         * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
 711         * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
 712         Ditto.
 713         * reg-notes.def (NO_CONFLICT): Removed.
 714
 715 2008-05-14  David S. Miller  <davem@davemloft.net>
 716
 717         * config/sparc/sparc.c (sparc_profile_hook): If
 718         NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
 719         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
 720         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
 721
 722 2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>
 723
 724         * cse.c (cse_cc_succs): Invoke delete_insn_and_edges.
 725
 726 2008-05-13  Uros Bizjak  <ubizjak@gmail.com>
 727
 728         PR target/36222
 729         * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
 730         and op1 expansion before vector concat to have less live pseudos.
 731
 732 2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>
 733
 734         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
 735         ix86_expand_vector_set if supported.
 736
 737 2008-05-13  Diego Novillo  <dnovillo@google.com>
 738             Kenneth Zadeck  <zadeck@naturalbridge.com>
 739
 740         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html
 741
 742         * tree.h (init_phinodes, fini_phinodes, release_phi_node,
 743         phinodes_print_statistics, init_ssanames, fini_ssanames,
 744         make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
 745         release_ssa_name, release_defs, replace_ssa_name_symbol,
 746         ssanames_print_statistics): Move ...
 747         * tree-flow.h: ... here.
 748         * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
 749         Use FN instead of cfun.
 750         (make_ssa_name_fn): Rename from make_ssa_name.
 751         (pass_release_ssa_names): Add TODO_dump_func to finish flags.
 752         * tree-flow-inline.h (make_ssa_name): Move from
 753         tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
 754         * omp-low.c (expand_omp_parallel):
 755         * tree-flow-inline.h (redirect_edge_var_map_result):
 756         * tree-ssa.c (init_tree_ssa): Add argument FN.
 757         Use it instead of cfun.  Update all users.
 758
 759 2008-05-13  Tom Tromey  <tromey@redhat.com>
 760
 761         PR preprocessor/22168:
 762         * doc/cpp.texi (Top): Update menu.
 763         (Alternatives to Wrapper #ifndef): New node.
 764         (Other Directives): Document deprecation.
 765         (Obsolete Features): Remove menu.
 766         (Assertions): Merge node into Obsolete Features.
 767         (Obsolete once-only headers): Move earlier; rename to Alternatives
 768         to Wrapper #ifndef.
 769         * doc/cppopts.texi: Update.
 770         * c.opt (Wdeprecated): Enable for C and ObjC.
 771         * doc/invoke.texi (Option Summary): Move -Wno-deprecated.
 772         (C++ Dialect Options): Move -Wno-deprecated from here to...
 773         (Warning Options): ... here.
 774
 775 2008-05-13  Richard Guenther  <rguenther@suse.de>
 776
 777         PR middle-end/36227
 778         * fold-const.c (fold_sign_changed_comparison): Do not allow
 779         changes in pointer-ness.
 780
 781 2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
 782
 783         PR target/24713
 784         * config/sh/sh.c (sh_expand_prologue): Don't clear
 785         RTX_FRAME_RELATED_P for push insns.
 786
 787 2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>
 788
 789         * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.
 790
 791 2008-05-12  Anatoly Sokolov <aesok@post.ru>
 792
 793         * config/avr/avr.h (machine_function): Add 'is_leaf' field.
 794         * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
 795         Use 'machine->is_leaf' instead of 'leaf_func_p'.
 796
 797 2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>
 798
 799         * config/i386/sse.md (*sse_concatv4sf): Renamed to ...
 800         (*vec_concatv4sf_sse): This.
 801         (*sse2_concatv2si): Renamed to ...
 802         (*vec_concatv2si_sse2): This.
 803         (*sse1_concatv2si): Renamed to ...
 804         (*vec_concatv2si_sse): This.
 805         (*vec_concatv2di_rex): Renamed to ...
 806         (*vec_concatv2di_rex64): This.
 807         (*vec_concatv2si_sse4_1): New.
 808         (*vec_concatv2di_rex64_sse4_1): Likewise.
 809
 810 2008-05-12  Uros Bizjak  <ubizjak@gmail.com>
 811
 812         PR rtl-optimization/36111
 813         * recog.c (validate_replace_rtx_1): Unshare new RTL expression
 814         that was created for swappable operands.
 815
 816 2008-05-12  Samuel Tardieu  <sam@rfc1149.net>
 817
 818         PR ada/36001
 819         * Makefile.in: Substitute GNATMAKE and GNATBIND.
 820         * configure.ac: Add call to ACX_PROG_GNAT.
 821
 822 2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>
 823
 824         * optc-gen.awk: Fix comment typo.
 825
 826 2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
 827
 828         * pretty-print.c (pp_integer_with_precision): Use
 829         HOST_LONG_LONG_FORMAT.
 830
 831 2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>
 832
 833         * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
 834
 835 2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>
 836
 837         * config/i386/i386.c (bdesc_ptest): Removed.
 838         (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
 839         (bdesc_args): Add __builtin_ia32_ptestz128,
 840         __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
 841         (ix86_init_mmx_sse_builtins): Updated.
 842         (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
 843         (ix86_expand_builtin): Updated.
 844
 845 2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>
 846
 847         * tree-cfg.c (valid_fixed_convert_types_p): New function.
 848         (verify_gimple_expr): Handle FIXED_CONVERT_EXPR.
 849
 850 2008-05-10  Uros Bizjak  <ubizjak@gmail.com>
 851
 852         * value-prof.c (interesting_stringop_to_profile): Do not
 853         return early for BUILT_IN_MEMPCPY.
 854
 855 2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>
 856
 857         * calls.c (expand_call): Don't use callgraph to increase
 858         preferred_stack_boundary.
 859
 860         * cgraph.h (cgraph_rtl_info): Use unsigned on
 861         preferred_incoming_stack_boundary.
 862
 863         * final.c (rest_of_clean_state): Use unsigned on
 864         preferred_stack_boundary.
 865
 866 2008-05-09  Tom Tromey  <tromey@redhat.com>
 867
 868         PR preprocessor/22231:
 869         * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
 870         proceeding.
 871
 872 2008-05-09  Uros Bizjak  <ubizjak@gmail.com>
 873
 874         PR tree-optimization/36129
 875         * tree-ssa-ccp.c: Include value-prof.h.
 876         (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
 877         built-in function was folded to a constant.
 878         * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h
 879
 880 2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
 881             Sebastian Pop  <sebastian.pop@amd.com>
 882
 883         * tree-scalar-evolution.c: Document instantiate_scev.
 884         (instantiate_parameters_1): Renamed instantiate_scev_1.
 885         Don't use the same loop for instantiation_loop and evolution_loop.
 886         (instantiate_scev): New.
 887         (instantiate_parameters): Moved...
 888         (resolve_mixers): Update call to instantiate_scev_1 to pass the
 889         same loop twice.  Maintains the semantics for this function.
 890         * tree-scalar-evolution.h (instantiate_scev): Declare.
 891         (instantiate_parameters): ...here.  Now static inline.
 892         * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
 893         instead of resolve_mixers.
 894
 895 2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
 896
 897         * rtl-factoring.c (collect_pattern_seqs): Fix typo.
 898
 899 2008-05-09  Tomas Bily  <tbily@suse.cz>
 900
 901         * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
 902         * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
 903         * tree-ssa-structalias.c (get_constraint_for): Likewise.
 904         * c-common.c (c_common_truthvalue_conversion): Likewise.
 905         * tree-object-size.c (compute_object_offset): Likewise.
 906         * tree-inline.c (estimate_num_insns_1): Likewise.
 907         * varasm.c (const_hash_1, compare_constant, copy_constant)
 908         (compute_reloc_for_constant, output_addressed_constants)
 909         (initializer_constant_valid_p): Likewise.
 910         * c-omp.c (check_omp_for_incr_expr): Likewise.
 911         * gimplify.c (gimplify_expr): Likewise.
 912         * c-typeck.c (c_finish_return): Likewise.
 913         * tree-vectorizer.c (supportable_widening_operation)
 914         (supportable_narrowing_operation): Likewise.
 915         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
 916         * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
 917         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
 918         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
 919         (descr_info_loc): Likewise.
 920         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
 921         * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
 922         (fold_unary): Likewise.
 923         * builtins.c (get_pointer_alignment): Likewise.
 924         * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
 925         (instantiate_parameters_1): Likewise.
 926         * tree.c (expr_align, stabilize_reference): Likewise.
 927         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
 928         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
 929         * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
 930         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
 931         * config/alpha/alpha.c (va_list_skip_additions): Likewise.
 932         * c-common.c (c_alignof_expr, check_function_arguments_recurse):
 933         Likewise.
 934         * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
 935         * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
 936         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
 937         (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
 938         (forward_propagate_comparison)
 939         (tree_ssa_forward_propagate_single_use_vars): Likewise.
 940         * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
 941         * emit-rtl.c (component_ref_for_mem_expr)
 942         (set_mem_attributes_minus_bitpos): Likewise.
 943         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
 944         * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
 945         Likewise.
 946         * c-typeck.c (default_function_array_conversion, build_indirect_ref)
 947         (build_function_call, pointer_diff, build_compound_expr)
 948         (c_finish_return): Likewise.
 949         * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
 950         * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
 951         Likewise.
 952         * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
 953         * expr.c (is_aligning_offset): Likewise.
 954         * tree-ssa-alias.c (is_escape_site): Likewise.
 955         * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
 956         (check_all_va_list_escapes): Likewise.
 957         * tree-ssa-loop-ivopts.c (determine_base_object)
 958         (determine_common_wider_type): Likewise.
 959         * dojump.c (do_jump): Likewise.
 960         * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
 961         * tree-gimple.c (is_gimple_cast): Likewise.
 962         * fold-const.c (decode_field_reference, )
 963         (fold_sign_changed_comparison, fold_unary, fold_comparison)
 964         (fold_binary): Likewise.
 965         * tree-ssa-alias-warnings.c (find_alias_site_helper)
 966         (already_warned_in_frontend_p): Likewise.
 967         * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
 968         * tree.c (really_constant_p, get_unwidened): Likewise.
 969         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
 970         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
 971         * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
 972         Likewise.
 973         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
 974         CONVERT_EXPR_P.
 975         (CONVERT_EXPR_P): Define.
 976         (CASE_CONVERT): Define.
 977
 978 2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
 979
 980         PR middle-end/36117
 981         * dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
 982         (delete_unmarked_insns): When deleting a call, call
 983         delete_unreachable_blocks.
 984         * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
 985         RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.
 986
 987 2008-05-08  Richard Guenther  <rguenther@suse.de>
 988
 989         * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
 990         (-ftree-salias): Likewise.
 991         (salias-max-implicit-fields): Remove param documentation.
 992         (salias-max-array-elements): Likewise.
 993         * tree-pass.h (pass_create_structure_vars): Remove.
 994         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
 995         (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
 996         * tree-ssa-alias.c (create_structure_vars): Remove.
 997         (gate_structure_vars): Likewise.
 998         (pass_create_structure_vars): Likewise.
 999         (gate_build_alias): Likewise.
1000         (pass_build_alias): Adjust to run always and dump the function.
1001         * common.opt (ftree-salias): Hide.
1002         * passes.c (init_optimization_passes): Remove
1003         pass_create_structure_vars, adjust comment.
1004         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
1005         (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
1006         * opts.c (decode_options): Do not set flag_tree_salias.
1007         (common_handle_option): Add OPT_ftree_salias to the backward
1008         compatibility section.
1009
1010 2008-05-08  Richard Guenther  <rguenther@suse.de>
1011
1012         * tree-flow-inline.h (var_can_have_subvars): Move ...
1013         * tree-ssa-structalias.c (var_can_have_subvars): ... here.
1014         * tree-flow.h (var_can_have_subvars): Remove.
1015         (push_fields_onto_fieldstack): Remove.
1016         (sort_fieldstack): Likewise.
1017         (struct fieldoff): Move ...
1018         * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
1019         alias_set and base_for_components fields.
1020         (sort_fieldstack): Make static.
1021         (push_fields_onto_fieldstack): Likewise.  Remove code that
1022         handles anything but RECORD_TYPEs.  Remove alias_set and
1023         base_for_components handling.
1024         (create_variable_info_for): Adjust.
1025
1026 2008-05-08  Seongbae Park  <seongbae.park@gmail.com>
1027
1028         * common.opt (Wframe-larger-than=): Shorten the help message
1029         to one line.
1030         * doc/invoke.texi (Wframe-larger-than=): Add more description.
1031
1032 2008-05-08  Rafael Espindola  <espindola@google.com>
1033
1034         * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
1035         trap.
1036         * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
1037         trap and that both operands are gimple values.
1038         (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
1039         * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
1040         is a fp operation.
1041
1042 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
1043
1044         * read-rtl.c (join_c_conditions): Return the first string if the
1045         two strings are equal.
1046
1047 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
1048
1049         * gensupport.h (pred_data): Add a "num_codes" field.
1050         (add_predicate_code): Declare.
1051         * gensupport.c (add_predicate_code): New function.
1052         (std_pred_table): Add an "allows_const_p" field.
1053         (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
1054         Remove the (incomplete) list of such codes from the codes field.
1055         (init_predicate_table): Use add_predicate_code.  Add all
1056         RTX_CONST_OBJs if allows_const_p is true.
1057         * genrecog.c (process_define_predicate): Use add_predicate_code.
1058
1059 2008-05-08  David Daney  <ddaney@avtrex.com>
1060             Richard Sandiford  <rsandifo@nildram.co.uk>
1061
1062         * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
1063         special case of constant zero operands.
1064         * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
1065         old and new values.  Special case constant zero values.
1066         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
1067         fails.
1068         (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
1069         (MIPS_COMPARE_AND_SWAP_12_0): New macro.
1070
1071 2008-05-08  Paolo Bonzini  <bonzini@gnu.org>
1072
1073         PR target/36090
1074         * simplify-rtx.c (simplify_plus_minus): Create CONST of
1075         similar RTX_CONST_OBJ before CONST_INT.
1076
1077 2008-05-08  Steve Ellcey  <sje@cup.hp.com>
1078
1079         * stmt.c (expand_stack_restore): Change sa mode if needed.
1080
1081 2008-05-08  Richard Guenther  <rguenther@suse.de>
1082
1083         * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
1084         return type to bool.
1085         (ix86_sol10_return_in_memory): Likewise.
1086         (ix86_i386elf_return_in_memory): Likewise.
1087         (ix86_i386interix_return_in_memory): Likewise.
1088         * config/i386/i386.c (ix86_return_in_memory): Likewise.
1089         (ix86_sol10_return_in_memory): Likewise.
1090         (ix86_i386elf_return_in_memory): Likewise.
1091         (ix86_i386interix_return_in_memory): Likewise.
1092
1093 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
1094
1095         PR bootstrap/36180
1096         * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
1097         fndecl argument.
1098         (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
1099         * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
1100         declared in front.
1101
1102 2008-05-08  Richard Guenther  <rguenther@suse.de>
1103
1104         * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
1105         * tree-data-ref.h (struct dr_alias): Remove subvars field.
1106         (DR_SUBVARS): Remove.
1107         * tree-dfa.c (dump_subvars_for): Remove.
1108         (debug_subvars_for): Likewise.
1109         (dump_variable): Do not dump subvars.
1110         (remove_referenced_var): Do not remove subvars.
1111         * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
1112         (lookup_subvars_for_var): Remove.
1113         (get_subvars_for_var): Likewise.
1114         (get_subvars_at): Likewise.
1115         (get_first_overlapping_subvar): Likewise.
1116         (overlap_subvar): Likewise.
1117         * tree-flow.h (subvar_t): Remove.
1118         (struct var_ann_d): Remove subvars field.
1119         * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
1120         argument.  Remove special handling of SFTs.
1121         (compute_tag_properties): Likewise.
1122         (set_initial_properties): Likewise.
1123         (compute_call_clobbered): Likewise.
1124         (count_mem_refs): Likewise.
1125         (compute_memory_partitions): Likewise.
1126         (compute_flow_insensitive_aliasing): Likewise.
1127         (setup_pointers_and_addressables): Likewise.
1128         (new_type_alias): Likewise.
1129         (struct used_part): Remove.
1130         (used_portions): Likewise.
1131         (struct used_part_map): Likewise.
1132         (used_part_map_eq): Likewise.
1133         (used_part_map_hash): Likewise.
1134         (free_used_part_map): Likewise.
1135         (up_lookup): Likewise.
1136         (up_insert): Likewise.
1137         (get_or_create_used_part_for): Likewise.
1138         (create_sft): Likewise.
1139         (create_overlap_variables_for): Likewise.
1140         (find_used_portions): Likewise.
1141         (create_structure_vars): Likewise.
1142         * tree.def (STRUCT_FIELD_TAG): Remove.
1143         * tree.h (MTAG_P): Adjust.
1144         (struct tree_memory_tag): Remove base_for_components and
1145         unpartitionable flags.
1146         (struct tree_struct_field_tag): Remove.
1147         (SFT_PARENT_VAR): Likewise.
1148         (SFT_OFFSET): Likewise.
1149         (SFT_SIZE): Likewise.
1150         (SFT_NONADDRESSABLE_P): Likewise.
1151         (SFT_ALIAS_SET): Likewise.
1152         (SFT_UNPARTITIONABLE_P): Likewise.
1153         (SFT_BASE_FOR_COMPONENTS_P): Likewise.
1154         (union tree_node): Remove sft field.
1155         * alias.c (get_alias_set): Remove special handling of SFTs.
1156         * print-tree.c (print_node): Remove handling of SFTs.
1157         * tree-dump.c (dequeue_and_dump): Likewise.
1158         * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
1159         * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
1160         * tree-predcom.c (set_alias_info): Do not set subvars.
1161         * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
1162         * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
1163         * tree-ssa-operands.c (access_can_touch_variable): Likewise.
1164         (add_vars_for_offset): Remove.
1165         (add_virtual_operand): Remove special handling of SFTs.
1166         (add_call_clobber_ops): Likewise.
1167         (add_call_read_ops): Likewise.
1168         (get_asm_expr_operands): Likewise.
1169         (get_modify_stmt_operands): Likewise.
1170         (get_expr_operands): Likewise.
1171         (add_to_addressable_set): Likewise.
1172         * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
1173         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
1174         * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
1175         * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
1176         (tree_code_size): Remove STRUCT_FIELD_TAG handling.
1177         (tree_node_structure): Likewise.
1178         * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
1179         handling of SFTs.
1180         (find_what_p_points_to): Likewise.
1181
1182 2008-05-08  Sa Liu  <saliu@de.ibm.com>
1183
1184         * config/spu/spu.md: Fixed subti3 pattern.
1185
1186 2008-05-08  Richard Guenther  <rguenther@suse.de>
1187
1188         PR middle-end/36154
1189         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
1190         sure to create a representative for trailing arrays for PTA.
1191
1192 2008-05-08  Richard Guenther  <rguenther@suse.de>
1193
1194         PR middle-end/36172
1195         * fold-const.c (operand_equal_p): Two objects which types
1196         differ in pointerness are not equal.
1197
1198 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
1199
1200         * calls.c (compute_argument_block_size): Add argument tree fndecl.
1201         (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
1202         (emit_library_call_value_1): Add new variable fndecl initialized by
1203         NULL_TREE. It should be the decl type of orgfun, but this information
1204         seems not to be available here, so it uses the default calling abi.
1205         * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
1206         * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
1207         by TARGET_RETURN_IN_MEMORY.
1208         * config/i386/i386-interix.h: Likewise.
1209         * config/i386/i386.h: Likewise.
1210         * config/i386/i386elf.h: Likewise.
1211         * config/i386/ptx4-i.h: Likewise.
1212         * config/i386/sol2-10.h: Likewise.
1213         * config/i386/sysv4.h: Likewise.
1214         * config/i386/vx-common.h: Likewise.
1215         * config/cris/cris.h: Removed #if 0 clause.
1216         * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
1217         * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
1218         argument.
1219         (ix86_sol10_return_in_memory): Likewise.
1220         (ix86_i386elf_return_in_memory): New.
1221         (ix86_i386interix_return_in_memory): New.
1222         * config/mt/mt-protos.h (mt_return_in_memory): New.
1223         * config/mt/mt.c: Likewise.
1224         * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
1225         (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
1226         * config/bfin/bfin.h: Likewise.
1227         * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
1228         argument.
1229         * config/bfin/bfin.c: Likewise.
1230         * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
1231         * config/alpha/unicosmk.h: Likewise.
1232         * config/i386/cygming.h: Likewise.
1233         * config/iq2000/iq2000.h: Likewise.
1234         * config/mips/mips.h: Likewise.
1235         * config/mn10300/mn10300.h: Likewise.
1236         * config/rs6000/rs6000.h: Likewise.
1237         * config/score/score.h: Likewise.
1238         * config/spu/spu.h: Likewise.
1239         * config/v850/v850.h: Likewise.
1240         * defaults.h: Likewise.
1241         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
1242         * expr.c (emit_block_move): Adjust use of
1243         OUTGOING_REG_PARM_STACK_SPACE.
1244         * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
1245         OUTGOING_REG_PARM_STACK_SPACE.
1246         * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.
1247
1248 2008-05-08  Jakub Jelinek  <jakub@redhat.com>
1249
1250         * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
1251         on OMP_RETURN for OMP_FOR.
1252
1253         PR debug/35896
1254         * dwarf2out.c (dw_expand_expr, common_check): Removed.
1255         (fortran_common): New function.
1256         (gen_variable_die): Call fortran_common instead of common_check,
1257         adjust for it returning tree instead of rtx.  Formatting.
1258
1259 2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
1260
1261         PR rtl/7335
1262         PR rtl/33826
1263         * see.c (see_copy_insn): Copy new pure const attributes for new call.
1264         * c-decl.c (merge_decls): Ditto.
1265         * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
1266         to RTL_CONST_OR_PURE_CALL_P.
1267         * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
1268         Initialized DECL_LOOPING_CONST_PURE.
1269         (process_call_operands): Set tree_side_effects properly.
1270         * tree.h (TREE_READONLY_DECL_P): Removed.
1271         (DECL_IS_PURE): Renamed to DECL_PURE_P.
1272         (DECL_LOOPING_OR_CONST_P): New macro.
1273         (struct tree_function_decl): Added looping_const_or_pure_p.
1274         (ECF_*) Renumbered.
1275         (ECF_LOOPING_OR_CONST_P): New macro.
1276         * rtlanal.c (pure_const_p): Removed.
1277         * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
1278         * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
1279         to RTL_CONST_CALL_P.
1280         * ipa-pure-const.c (pure_const_state_e): Added looping field.
1281         (check_decl, check_tree, check_call, scan_function): Initialize
1282         looping.
1283         (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
1284         (static_execute): Set looping true for recursive functions.
1285         Undo setting state to IPA_NEITHER for recursive functions.
1286         * cse.c (cse_insn):
1287         * ifcvt.c (noce_can_store_speculate_p): Changed
1288         CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or
1289         RTL_CONST_OR_PURE_CALL_P.
1290         * dse.c (scan_insn): Ditto.
1291         * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
1292         * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
1293         RTL_CONST_OR_PURE_CALL_P.
1294         (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
1295         pure_call_p to RTL_CONST_CALL_P.
1296         * gimplify.c (gimplify_call_expr): Clear side effects for
1297         non-looping pure and constant calls.
1298         * calls.c (emit_call_1): Set rtl flags from ecf flags.
1299         (flags_from_decl_or_type): Set ecf flags from decl flags.
1300         (initialize_argument_information): Turn off
1301         ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
1302         Change const to pure if callee_copies is true rather than just
1303         turning off const.
1304         (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
1305         way of marking pure calls.
1306         (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
1307         Remove hack that was supposed to fix pr7335 and remove old
1308         way of marking pure calls.
1309         * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
1310         RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
1311         * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
1312         RTL_CONST_OR_PURE_CALL_P.
1313         * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
1314         * loop-invariant.c (find_exits, find_invariant_bb): Changed
1315         CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
1316         * sched-deps.c (schedule_analyze): Ditto.
1317         * rtl.h (struct rtx_def): Use call field, unchanging field, and
1318         return_val field of calls to represent pure and const function info.
1319         (CONST_OR_PURE_CALL_P): Deleted macro.
1320         (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
1321         RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
1322         * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
1323         TREE_READONLY.
1324         * tree-optimize.c (execute_fixup_cfg): Added test for
1325         ECF_LOOPING_CONST_OR_PURE.
1326         * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
1327         DECL_PURE_P.
1328         * tree-cfg.c (update_call_expr_flags): Do not clear tree side
1329         effects for looping pure or const calls.
1330         (verify_gimple_expr): Added verification code.
1331         * config/alpha/alpha.c (alpha_legitimize_address,
1332         alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
1333         RTL_CONST_CALL_P.
1334         * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
1335         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
1336         * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
1337         * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
1338         RTL_CONST_OR_PURE_CALL_P.
1339         * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
1340         and const calls to be deleted.
1341
1342 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
1343
1344         PR target/35714
1345         * config/i386/mmx.md (mmx_subv2sf3): New expander.
1346         (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
1347         (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
1348         (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
1349         to handle nonimmediate operands.
1350         (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
1351         (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
1352         to handle nonimmediate operands.
1353         (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
1354         (mmx_pmulhrwv4hi3): New expander.  Use
1355         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1356         (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
1357         (sse2_umulv1siv1di3): New expander.  Use
1358         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1359         (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
1360         (mmx_eq<mode>3): New expander.  Use
1361         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1362         (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
1363         (mmx_uavgv8qi3): New expander.  Use
1364         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1365         (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
1366         (mmx_uavgv4hi3): New expander.  Use
1367         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1368
1369         * config/i386/sse.md
1370         (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
1371         to handle nonimmediate operands.
1372         (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
1373         to handle nonimmediate operands.
1374         (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
1375         to handle nonimmediate operands.
1376         (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
1377         to handle nonimmediate operands.
1378         (sse2_unpckhpd_exp): New expander.  Use
1379         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1380         (sse2_unpcklpd_exp): New expander.  Use
1381         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1382         (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
1383         to handle nonimmediate operands.
1384         (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
1385         to handle nonimmediate operands.
1386         (*sse2_<plusminus_insn><mode>3): Rename from
1387         sse2_<plusminus_insn><mode>3 insn pattern.
1388         (sse2_<plusminus_insn><mode>3): New expander.  Use
1389         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1390         (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
1391         (sse2_umulv2siv2di3): New expander.  Use
1392         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1393         (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
1394         (sse4_1_mulv2siv2di3): New expander.  Use
1395         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1396         (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
1397         (sse2_pmaddwd): New expander.  Use
1398         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1399         (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
1400         (sse2_eq<mode>3): New expander.  Use
1401         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1402         (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
1403         (sse4_1_eqv2di3): New expander.  Use
1404         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1405         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
1406         (sse2_uavgv16qi3): New expander.  Use
1407         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1408         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
1409         (sse2_uavgv16qi3): New expander.  Use
1410         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1411         (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
1412         (sse2_uavgv8hi3): New expander.  Use
1413         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1414         (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
1415         (ssse3_pmulhrswv8hi3): New expander.  Use
1416         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1417         (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
1418         (ssse3_pmulhrswv4hi3): New expander.  Use
1419         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1420
1421         (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
1422         (<sse>_vmmul<mode>3): Ditto.
1423         (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
1424         (divv2df3): Ditto.
1425         (ssse3_pmaddubsw128): Use register_operand for operand 1.
1426         (ssse3_pmaddubsw): Ditto.
1427
1428         * config/i386/i386.c (struct_builtin_description)
1429         [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
1430         [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
1431         [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
1432         [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
1433         [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
1434         [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
1435         [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
1436         [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
1437         (ix86_fixup_binary_operands): Assert that src1
1438         and src2 must have the same mode when swapped.
1439         (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
1440         and ix86_binary_operator_ok.  Do not force operands in registers
1441         when optimizing.
1442
1443 2008-05-07  Jan Hubicka  <jh@suse.cz>
1444
1445         * cgraph.c (dump_cgraph_node): Update.
1446         * cgraph.h (cgraph_local_info): Break out inline summary.
1447         * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
1448         hook.
1449         * ipa-inline (inline_summary): New accestor function.
1450         (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
1451         cgraph_decide_inlining, compute_inline_parameters): Update.
1452         * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.
1453
1454 2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
1455
1456         Cleanup ColdFire scheduling support and add V4 pipeline model.
1457
1458         * config/m68k/m68k.md (UNSPEC_TIE): New constant.
1459         (define_attr cpu): Add cfv4 value.
1460         (define_attr type, define_attr type1): Merge into a single 'type'
1461         attribute.  Update all uses.
1462         (define_attr opx_type, define_attr opy_type, define_attr opx_access):
1463         Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
1464         Update all uses.
1465         (define_attr opx_mem, define_attr opy_mem): Remove.
1466         (define_attr op_mem): Clean up, update comment.
1467         (define_attr size): Use specific values instead of general int.
1468         (define_attr guess, define_attr split): Remove.  Update all uses.
1469         (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
1470         tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
1471         movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
1472         zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
1473         68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
1474         floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
1475         fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
1476         adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
1477         add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
1478         add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
1479         sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
1480         sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
1481         mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
1482         umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
1483         mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
1484         div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
1485         one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
1486         bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
1487         beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
1488         bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
1489         symbolic_call_value_jsr, symbolic_call_value_bsr, link):
1490         Update or set attributes.
1491         (stack_tie): New fake instruction.
1492
1493         * config/m68k/m68k.h (TUNE_CFV4): New macro.
1494         (m68k_sched_attr_size): Update declaration.
1495         (m68k_sched_attr_type2): Remove.
1496         (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
1497         Declare new bypass predicates.
1498
1499         * config/m68k/m68k.c (m68k_sched_issue_rate,
1500         m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
1501         implementations.
1502         (TARGET_SCHED_ISSUE_RATE,
1503         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
1504         (override_options): Handle scheduling for ColdFire V4 core.
1505         (m68k_expand_prologue): Emit stack_tie.
1506         (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
1507         'OP_TYPE_FPN'.  Update all uses.
1508         (sched_guess_p): Remove.
1509         (sched_address_type): Handle symbolic addresses.
1510         (sched_get_operand): New static function.
1511         (sched_operand_type): Merge into sched_attr_op_type.
1512         (sched_attr_op_type): Handle FP registers, handle quick constants,
1513         update.
1514         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
1515         (m68k_sched_attr_size): Update.  Move logic to ...
1516         (sched_get_attr_size_int): New static function.
1517         (sched_get_opxy_mem_type): New static function.
1518         (m68k_sched_attr_op_mem): Update.
1519         (m68k_sched_attr_type2): Remove.
1520         (sched_cfv4_bypass_data): New static variable.
1521         (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
1522         (m68k_sched_issue_rate): Implement scheduler hook.
1523         (struct _sched_ib: enabled_p): New field.
1524         (m68k_sched_variable_issue): Update.  Handle V4.
1525         (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
1526         sched_dump_class_func_t, sched_dump_split_class,
1527         sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
1528         sched_dump_dfa_class, m68k_sched_dump): Remove.
1529         (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
1530         hook.
1531         (m68k_sched_init_global): Remove statisctics dumping, introduce
1532         sanity check that all instructions have pipeline reservations.  Handle
1533         ColdFire V4 core.
1534         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
1535         Handle ColdFire V4 core.
1536         (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
1537         New static functions.
1538         (m68k_sched_address_bypass_p): New bypass predicate.
1539         (sched_get_indexed_address_scale): New static function.
1540         (m68k_sched_indexed_address_bypass_p): New bypass predicate.
1541
1542         * cf.md: Update comments.
1543         (define_attr type2): Remove.  Use 'type' attribute instead.
1544         Update all uses.
1545         (cf_ib): Rename to cfv123_ib.  Update all uses.
1546         (cf_oep): Rename to cfv123_oep.  Update all uses.
1547         (cf_chr): Rename to cfv123_chr.  Update all uses.
1548         (cf_mem): Rename to cfv123_mem.  Update all uses.
1549         (cf_mac): Move to more appropriate place.
1550         (cfv123_guess): New automaton and cpu_unit.
1551         (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
1552         Update uses of 'size' attribute.  Handle before reload scheduling.
1553         (cfv123_guess): New dummy reservation for unhandled instructions.
1554         (cfv4_*): Pipeline description of ColdFire V4 core.
1555         (ignore): New reservation to handle 'ignore' type.
1556
1557 2008-05-07  Ian Lance Taylor  <iant@google.com>
1558
1559         PR middle-end/36013
1560         * gimplify.c (find_single_pointer_decl_1): Don't look through
1561         indirections.
1562         (find_single_pointer_decl): Adjust comments.
1563
1564 2008-05-07  Jakub Jelinek  <jakub@redhat.com>
1565
1566         PR middle-end/36137
1567         * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
1568         STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.
1569
1570         PR middle-end/36106
1571         * omp-low.c (expand_omp_atomic_pipeline): Load value using the
1572         integral type rather than floating point, then VIEW_CONVERT_EXPR
1573         to the floating point type.
1574
1575 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
1576
1577         * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
1578         TFmode op0 to register.
1579
1580 2008-05-07  Alan Modra  <amodra@bigpond.net.au>
1581
1582         * c-decl.c (grokdeclarator): Comment typo.
1583
1584 2008-05-06  Aldy Hernandez  <aldyh@redhat.com>
1585
1586         * tree-flow.h: Remove prototype for computed_goto_p.
1587         * tree-cfg.c (computed_goto_p): Make static.
1588
1589 2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1590
1591         PR target/35657
1592         * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
1593         (contains_aligned_value_p): This.  Handle _Decimal128.
1594         (ix86_function_arg_boundary): Only align _Decimal128 to its
1595         natural boundary and handle it properly.
1596
1597 2008-05-06  Martin Jambor  <mjambor@suse.cz>
1598
1599         * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
1600         (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
1601         (ipcp_method_set_orig_node): Removed.
1602         (ipcp_cval_get_cvalue_type): Removed.
1603         (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
1604         (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
1605         (ipcp_cval_set_cvalue_type): Removed.
1606         (ipcp_cval_get_cvalue): Removed.
1607         (ipcp_cval_set_cvalue): Removed.
1608         (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
1609         (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
1610         (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
1611         (ipcp_cval_meet): Renamed to ipa_lattice_meet
1612         (ipcp_cval_changed): Changed to use ipcp_lat_is_const
1613         (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
1614         (ipcp_get_ith_lattice): Changed parameters.
1615         (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
1616         (ipcp_lattice_from_jfunc): Changed parameters.
1617         (ipcp_redirect): Local lattice pointer instead of lattice type variable.
1618         (ipcp_method_cval_print): Added temporary variable info.
1619         (ipcp_redirect): Removed already unused local variable caller.
1620         (ipcp_redirect): New temporary variable orig_callee_info
1621         (ipcp_redirect): Removed newly unused local variable callee.
1622         (ipcp_redirect): Removed (a bit confusing) local variable type.
1623         (ipcp_insert_stage): Added local variable info.
1624         (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters
1625         renamed too
1626         (ipcp_formal_create): Removed.
1627         (ipcp_method_cval_set): Removed.
1628         (ipcp_propagate_stage): Renamed lattice variables.
1629         (ipcp_method_cval_set_cvalue_type): Removed.
1630         (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
1631         (ipcp_print_all_lattices): Changed printed strings to refer to
1632         lattices rather than cvals.
1633         (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
1634         (ipcp_propagate_const): Changed formal parameters.
1635         (build_const_val): Changed formal parameters.
1636         (ipcp_insert_stage): Removed useless variable cvalue
1637         (build_const_val): Changed formal parameters.
1638         (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
1639         (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
1640         (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
1641         (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
1642         (ipcp_print_func_profile_counts): Changed string from "method" to
1643         "function"
1644         (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
1645         (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
1646         (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
1647         (ipcp_structures_print): Renamed to ipcp_print_all_structures
1648         (ipcp_profile_print): Renamed to ipcp_print_profile_data
1649         (ipcp_lat_is_const): Changed parameters and made inline.
1650         (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
1651         (ipcp_redirect): Renamed to ipcp_need_redirect_p
1652         (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using
1653         the predicate condition directly
1654         (ipcp_propagate_stage): Added local variable args. Removed local
1655         variable callee.  (Both are mere code simplifications.)
1656         (ipcp_method_dont_insert_const): Renamed to
1657         ipcp_node_not_modifiable_p.
1658         (ipcp_node_not_modifiable_p): Made inline.
1659         (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
1660         (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
1661         (ipcp_print_all_lattices): Removed variable cvalue
1662         (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
1663         Updated comments.
1664
1665 2008-05-06  Olivier Hainque  <hainque@adacore.com>
1666
1667         * tree-sra.c (try_instantiate_multiple_fields): Early return
1668         if field has POINTER_TYPE.
1669
1670 2008-05-06  Kai Tietz  <kai.tietz@onevision.com>
1671
1672         * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
1673         by using 'q' specifier for instruction.
1674         (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
1675
1676 2008-05-06  Anatoly Sokolov <aesok@post.ru>
1677
1678         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
1679         Change mode of zero_extract from QImode to HImode.
1680         (sign bit tests peepholes): (Ditto.).
1681
1682 2008-05-06  Uros Bizjak  <ubizjak@gmail.com>
1683
1684         * config/i386/mmx.md: Remove double backslashes from asm templates.
1685         (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
1686         (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
1687         to handle nonimmediate operands.
1688         (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
1689         (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
1690         to handle nonimmediate operands.
1691         (*mmx_<code>v2sf3_finite): New insn pattern.
1692         (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
1693         (mmx_<code>v2sf3): New expander.  Use
1694         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1695         (mmx_<plusminus_insn><mode>3): New expander.  Use
1696         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1697         (*mmx_<plusminus_insn><mode>3): New insn pattern.
1698         (mmx_add<mode>3): Removed.
1699         (mmx_ssadd<mode>3): Ditto.
1700         (mmx_usadd<mode>3): Ditto.
1701         (mmx_sub<mode>3): Ditto.
1702         (mmx_sssub<mode>3): Ditto.
1703         (mmx_ussub<mode>3): Ditto.
1704         (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
1705         (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
1706         to handle nonimmediate operands.
1707         (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
1708         insn pattern.
1709         (mmx_smulv4hi3_highpart): New expander.  Use
1710         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1711         (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
1712         insn pattern.
1713         (mmx_umulv4hi3_highpart): New expander.  Use
1714         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1715         (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
1716         (mmx_<code>v4hi3): New expander.  Use
1717         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1718         (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
1719         (mmx_<code>v8qi3): New expander.  Use
1720         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1721         (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
1722         (mmx_<code><mode>3): New expander.  Use
1723         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1724
1725 2008-05-05  Jan Hubicka  <jh@suse.cz>
1726
1727         PR tree-optimization/36118
1728         * passes.c (pass_init_dump_file): Fix dump header.
1729
1730 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1731
1732         PR middle-end/36141
1733         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
1734         VCE for function decls.
1735
1736 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
1737
1738         * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
1739
1740 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
1741
1742         * config/i386/i386.md (sat_plusminus): New.
1743         (plusminus_insn): Likewise.
1744         (plusminus_mnemonic): Likewise.
1745         (addsub): Removed.
1746         (comm): Add ss_plus, us_plus, ss_minus and us_minus.
1747         (*<addsub><mode>3_cc_overflow): Renamed to ...
1748         (*<plusminus_insn><mode>3_cc_overflow): This.
1749         (*<addsub>si3_zext_cc_overflow): Renamed to ...
1750         (*<plusminus_insn>si3_zext_cc_overflow): This.
1751
1752         * config/i386/sse.md (<addsub><mode>3): Renamed to ...
1753         (<plusminus_insn><mode>3): This.
1754         (*<addsub><mode>3): Renamed to ...
1755         (*<plusminus_insn><mode>3): This.
1756         (<sse>_vm<addsub><mode>3): Renamed to ...
1757         (<sse>_vm<plusminus_insn><mode>3): This.
1758         (sse3_h<addsub>v4sf3): Renamed to ...
1759         (sse3_h<plusminus_insn>v4sf3): This.
1760         (sse3_h<addsub>v2df3): Renamed to ...
1761         (sse3_h<plusminus_insn>v2df3): This.
1762         (<plusminus_insn><mode>3): New.
1763         (*<plusminus_insn><mode>3): Likewise.
1764         (sse2_<plusminus_insn><mode>3): Likewise.
1765         (add<mode>): Removed.
1766         (*add<mode>3): Likewise.
1767         (sse2_ssadd<mode>3): Likewise.
1768         (sse2_usadd<mode>3): Likewise.
1769         (sub<mode>3): Likewise.
1770         (*sub<mode>3): Likewise.
1771         (sse2_sssub<mode>3): Likewise.
1772         (sse2_ussub<mode>3): Likewise.
1773
1774 2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
1775
1776         * gthr-single.h: Add in required interface elements as per gthr.h.
1777         Add stub types for __gthread_key_t, __gthread_once_t. Add defines
1778         for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
1779         Generalize UNUSED macro.
1780         (__gthread_once): Add.
1781         (__gthread_key_create): Add.
1782         (__gthread_key_delete): Add.
1783         (__gthread_getspecific): Add.
1784         (__gthread_setspecific): Add.
1785
1786 2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>
1787
1788         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
1789         the same size types for the indirect reference on the rhs, then
1790         create a VCE.
1791
1792 2008-05-05  Uros Bizjak  <ubizjak@gmail.com>
1793
1794         * config/i386/i386.md
1795         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
1796         one insn template instead of template series.
1797         (*xordi_1_rex64): Ditto.
1798         (*xordi_2_rex64): Ditto.
1799
1800 2008-05-05  Ira Rosen  <irar@il.ibm.com>
1801
1802         PR tree-optimization/36119
1803         * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
1804         in case of SLP.
1805
1806 2008-06-04  Jan Hubicka  <jh@suse.cz>
1807
1808         tree-optimization/36100
1809         * tree-pass.h (pass_O0_always_inline): Declare.
1810         * ipa-inline.c (inline_transform): Remove dead code.
1811         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
1812         pass_O0_always_inline): New.
1813         * passes.c (init_optimization_passes): Add pass_O0_always_inline.
1814
1815 2008-05-04  Kai Tietz  <kai.tietz@onevision.com>
1816
1817         * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
1818         mnemonic in this_param move for TARGET_64BIT.
1819
1820 2008-05-04  Uros Bizjak  <ubizjak@gmail.com>
1821
1822         * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
1823         (*strmovsi_rex_1): Ditto.
1824         (*strsetsi_1): Ditto.
1825         (*strsetsi_rex_1): Ditto.
1826
1827         (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
1828         adddicc expanders using SWI mode iterator.
1829
1830 2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1831
1832         PR target/36121
1833         * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
1834         argument handling.
1835
1836 2008-05-04  David S. Miller  <davem@davemloft.net>
1837
1838         * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
1839         (sparc*-*-linux*): Use linux.h in tm_file.
1840         (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
1841         compiler defaulting to 32-bit.
1842         (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
1843         no longer needed.
1844         * config/sparc/linux.h: Remove definitions now obtained
1845         properly from linux.h
1846         * config/sparc/linux64.h: Likewise.
1847         (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
1848         don't want this setting for 32-bit builds in a biarch compiler.
1849         * doc/install.texi: Add sparc-linux to list of targets
1850         supporting --enable-targets=all.
1851
1852 2008-05-03  Andrew Pinski  <pinskia@gmail.com>
1853
1854         * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
1855
1856 2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>
1857
1858         * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
1859         after V4SI_FTYPE_V8HI.
1860         (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
1861         case V4SI_FTYPE_V2DF.
1862
1863 2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>
1864
1865         * doc/invoke.texi (max-flow-memory-locations): Removed.
1866         * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
1867
1868 2008-05-03  Richard Guenther  <rguenther@suse.de>
1869
1870         PR middle-end/34973
1871         * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
1872
1873 2008-05-02  David S. Miller  <davem@davemloft.net>
1874
1875         * config.gcc (need_64bit_hwint): Document libcpp dependency.
1876
1877 2008-05-02  Simon Baldwin <simonb@google.com>
1878
1879         PR bootstrap/36108
1880         * c-common.h (warn_array_subscript_range): Removed.
1881         * c-common.c (warn_array_subscript_range): Ditto.
1882         * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
1883         * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
1884
1885 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
1886
1887         * config/i386/i386.c (ix86_special_builtin_type): New.
1888         (bdesc_special_args): Likewise.
1889         (ix86_expand_special_args_builtin): Likewise.
1890         (ix86_init_mmx_sse_builtins): Updated.
1891         (ix86_expand_builtin): Updated.
1892         (ix86_expand_store_builtin): Removed.
1893         (ix86_expand_unop_builtin): Likewise.
1894
1895         * config/i386/mm3dnow.h (__v2sf): Moved to ...
1896         * config/i386/mmintrin.h (__v2sf): Here.
1897
1898         * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
1899         const __v2sf.
1900         (_mm_loadl_pi): Likewise.
1901         (_mm_storeh_pi): Replace __v2si with __v2sf.
1902         (_mm_storel_pi): Likewise.
1903
1904         * doc/extend.texi: Correct __builtin_ia32_loadhps,
1905         __builtin_ia32_loadlps, __builtin_ia32_storehps,
1906         __builtin_ia32_storelps, __builtin_ia32_loadhpd and
1907         __builtin_ia32_loadlpd.
1908
1909 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
1910
1911         * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
1912         V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
1913         (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
1914         (ix86_init_mmx_sse_builtins): Updated.
1915         (ix86_expand_args_builtin): Likewise.
1916         (ix86_expand_builtin): Likewise.
1917         (ix86_expand_unop1_builtin): Renamed to ...
1918         (ix86_expand_unop_vec_merge_builtin): This.
1919
1920 2008-05-01  Jan Hubicka  <jh@suse.cz>
1921
1922         PR bootstrap/36100
1923         * ipa-inline.c (inline_generate_summary): Make static.
1924         (inline_transform): Do not call inlining at -O0; make static.
1925         * passes.c (execute_todo): Add sanity check.
1926         (execute_one_ipa_transform_pass): Execute proper flags.
1927
1928 2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>
1929
1930         * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
1931         (DECL_NONADDRESSABLE_P): Likewise.
1932         * alias.c (record_component_aliases): Fix comment.
1933
1934 2008-05-01  Simon Baldwin <simonb@google.com>
1935
1936         * c-common.h (warn_array_subscript_range): New function.
1937         * c-common.c (warn_array_subscript_range): Ditto.
1938         * tree-vrp.c (check_array_ref): Corrected code to agree with
1939         comment, ignoring only arrays of size 0 or size 1.
1940         * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
1941
1942 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
1943
1944         * config/i386/i386.c (ix86_builtin_type): Replace
1945         DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
1946         (bdesc_args): Updated.
1947         (ix86_init_mmx_sse_builtins): Likewise.
1948         (ix86_expand_args_builtin): Likewise.
1949
1950         * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
1951         with __v1di.
1952
1953         * doc/extend.texi: Correct __builtin_ia32_palignr.
1954
1955 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
1956
1957         PR target/36095
1958         * config/i386/i386.c (bdesc_crc32): Removed.
1959         (ix86_expand_crc32): Likewise.
1960         (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
1961         V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
1962         V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
1963         UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
1964         UINT_FTYPE_UINT_UCHAR.
1965         (bdesc_args): Updated. Add crc32 builtins.
1966         (ix86_init_mmx_sse_builtins): Updated.
1967         (ix86_expand_args_builtin): Updated to support subreg.
1968
1969         * doc/extend.texi: Correct __builtin_ia32_crc32di.
1970
1971 2008-05-01  Jan Hubicka  <jh@suse.cz>
1972
1973         * tree-pass.h (opt_pass): Add IPA_PASS.
1974         (varpool_node, cgraph_node): Forward declare.
1975         (ipa_opt_pass): Define.
1976         (pass_ipa_inline): Turn into ipa_opt_pass.
1977         (pass_apply_inline): Remove.
1978         * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
1979         (apply_inline): Turn into ....
1980         (inline_transform): ... this one.
1981         (inline_generate_summary): New function.
1982         (pass_apply_inline): Remove.
1983         * function.h (ipa_opt_pass): Forward declare structure; typedef;
1984         vector.
1985         (struct function): Add ipa_transforms_to_apply.
1986         * passes.c (register_one_dump_file): Work on IPA_PASS.
1987         (init_optimization_passes): Remove pass_inline_parameters and
1988         pass_apply_inline.
1989         (pass_init_dump_file, pass_fini_dump_file): Break out from ....
1990         (execute_one_pass) ... here; apply transforms when possible.
1991         (add_ipa_transform_pass, execute_ipa_summary_asses,
1992         execute_one_ipa_transform_pass): New.
1993         (execute_ipa_pass_list): Update for IPA_PASS type.
1994
1995 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
1996
1997         * config/i386/i386.c (ix86_builtin_type): Add
1998         V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
1999         V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
2000         (bdesc_args): Add SSE4a builtins.
2001         (ix86_init_mmx_sse_builtins): Updated.
2002         (ix86_expand_args_builtin): Likewise.
2003         (ix86_expand_builtin): Likewise.
2004
2005 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
2006
2007         * config/i386/i386.c (ix86_builtin_type): Add
2008         V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
2009         V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
2010         V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
2011         V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
2012         V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
2013         V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
2014         V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
2015         V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
2016         and DI_FTYPE_DI_DI_INT.
2017         (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
2018         (ix86_init_mmx_sse_builtins): Updated.
2019         (ix86_expand_args_builtin): Likewise.
2020         (ix86_expand_builtin): Likewise.
2021         (ix86_expand_binop_imm_builtin): Removed.
2022
2023         * doc/extend.texi: Correct __builtin_ia32_palignr128.
2024
2025 2008-04-30  Richard Guenther  <rguenther@suse.de>
2026
2027         PR tree-optimization/32921
2028         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
2029
2030 2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>
2031
2032         * config/arm/arm.c (arm_unwind_emit): Use
2033         crtl->all_throwers_are_sibcalls instead of
2034         cfun->all_throwers_are_sibcalls.
2035         (arm_output_fn_unwind): Likewise.
2036         * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
2037         instead of cfun->uses_pic_offset_table.
2038         (frv_expand_prologue): Likewise.
2039         (frv_frame_pointer_required): Likewise.
2040         (frv_expand_fdpic_call): Likewise.
2041         (frv_emit_movsi): Likewise.
2042         * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
2043         cfun->returns_pcc_struct instead of
2044         current_function_returns_pcc_struct.
2045         * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
2046         instead of cfun->calls_eh_return.
2047         (m32c_pushm_popm): Likewise.
2048         * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
2049         "extern" declaration.
2050
2051 2008-04-30  Richard Guenther  <rguenther@suse.de>
2052
2053         PR tree-optimization/21636
2054         * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
2055         constant address.
2056         (evaluate_stmt): Print the likely value.
2057         (ccp_visit_stmt): Avoid excessive vertical spacing.
2058
2059 2008-04-30  Rafael Espindola  <espindola@google.com>
2060
2061         * builtins.c (fold_call_expr): Return realret.
2062         * tree-ssa-threadedge.c
2063         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2064         __builtin_object_size.
2065
2066 2008-04-30  Seongbae Park  <seongbae.park@gmail.com>
2067
2068         * gcc.c (wrapper_string): New variable.
2069         (insert_wrapper): New function.
2070         (execute): New option -wrapper.
2071         * doc/invoke.texi (Overall Options): New driver option -wrapper.
2072
2073 2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>
2074
2075         * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
2076         config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
2077         config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
2078         from...
2079         * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
2080         * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
2081         config/rs6000/e500crtres64gprctr.asm,
2082         config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
2083         config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
2084         config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
2085         config/rs6000/e500crtsav64gprctr.asm,
2086         config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
2087         config/rs6000/e500crtsavg64gprctr.asm: New files.
2088         * config/rs6000/t-ppccomm: Add build rules for new files.
2089         (LIB2FUNCS_STATIC_EXTRA): Add new files.
2090         * config/rs6000/t-netbsd: Add build rules for new files.
2091         (LIB2FUNCS_STATIC_EXTRA): New variable.
2092         * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
2093         (CRTSAVRES_DEFAULT_SPEC): Likewise.
2094         * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
2095
2096 2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>
2097
2098         * config/i386/i386.c (ix86_builtin_type): Add
2099         FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
2100         V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
2101         V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
2102         V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
2103         V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
2104         V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
2105         V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
2106         V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
2107         V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
2108         V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
2109         V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
2110         V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
2111         V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
2112         V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
2113         V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
2114         V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
2115         V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
2116         V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
2117         V1DI_FTYPE_V2SI_V2SI.
2118         (bdesc_2arg): Moved to ...
2119         (bdesc_args): Here.
2120         (ix86_init_mmx_sse_builtins): Updated.
2121         (ix86_expand_args_builtin): Updated.  Take a pointer
2122         to const struct builtin_description.  Handle comparison
2123         builtin functions.
2124         (ix86_expand_sse_compare): Take a new argument for swapping operands.
2125         (ix86_expand_builtin): Updated.
2126
2127         * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
2128         (ssse3_pmaddubsw128): This.
2129         (ssse3_pmaddubswv4hi3): Renamed to ...
2130         (ssse3_pmaddubsw): This.
2131
2132         * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
2133         (__builtin_ia32_packssdw128): Likewise.
2134         (__builtin_ia32_packuswb128): Likewise.
2135         (__builtin_ia32_pmaddubsw): Likewise.
2136         (__builtin_ia32_pmaddubsw128): Likewise.
2137
2138 2008-04-30  Richard Guenther  <rguenther@suse.de>
2139
2140         PR tree-optimization/14847
2141         * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
2142         (recognize_bits_test): Use it.
2143         (recognize_single_bit_test): Likewise.
2144
2145 2008-04-30  Martin Jambor  <mjambor@suse.cz>
2146
2147         * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
2148         instead of setting number of formal parameters to zero.
2149         (ipcp_init_stage): Do not set the number of actual parameters to zero
2150         either.
2151         (ipcp_propagate_stage): Explicitly skipping all calls to nodes
2152         which are called with variable number of arguments.
2153         (ipcp_insert_stage): Explicitely skipping all nodes which are
2154         called with variable number of arguments.
2155         (ipcp_callsite_param_print): Skipps callsites to nodes with varaible
2156         number of parameters.
2157
2158         * ipa-prop.h (struct ipa_node_params): Added flag
2159         called_with_var_arguments
2160         (ipa_set_param_count): Added.  Changed sole setter to use it.
2161         (ipa_get_param_count): Added.  All readers of param_count
2162         converted to use it instead.
2163         (ipa_set_called_with_variable_arg): Added.
2164         (ipa_is_called_with_var_arguments): Added.
2165         (ipa_get_ith_param): Added.  All readers of param_decls converted
2166         to use it instead.
2167         (ipa_set_cs_argument_count): Added, sole writer to argument_count
2168         changed to use it.
2169         (ipa_get_cs_argument_count): Added, all readers of argument_count
2170         changed to cal it.
2171         (ipa_get_ith_jump_func): Added. Accessors of jump values changed
2172         to use it.
2173
2174         * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
2175         (struct ipcp_lattice): Renamed cval_type to type
2176         (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
2177
2178         * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
2179         (ipcp_cval_set_cvalue): Changed type of parameter value to tree
2180         (ipcp_insert_stage): Changed the type of variable cvalue to tree
2181         (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
2182         (build_const_val): Changed the type of parameter cvalue to tree
2183         (ipcp_propagate_const): Changed the type of parameter cvalue to tree
2184         (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
2185
2186         * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called
2187         constant
2188
2189         * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
2190         (ipa_methodlist_not_empty): Removed, the sole user now checks directly
2191         (ipa_add_method): Renamed to ipa_push_func_to_list
2192         (ipa_remove_method): Renamed to ipa_pop_func_from_list
2193         (ipa_callsite_param_count): Removed.
2194         (ipa_callsite_param_count_set): Removed.
2195         (ipa_callsite_param): Removed.
2196         (ipa_callsite_callee): Removed.
2197         (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
2198         (ipa_callsite_compute_count): Renamed to ipa_count_arguments
2199         (ipa_method_formal_count): Removed.
2200         (ipa_method_formal_count_set): Removed.
2201         (ipa_method_get_tree): Removed.
2202         (ipa_method_tree_map_create): Removed.
2203         (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
2204         (ipa_create_param_decls_array): Creates the array itself
2205         (ipa_create_param_decls_array): Temporary variable info instead of
2206         a few dereferences.
2207         (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
2208         (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
2209         (get_type): Removed.
2210         (ipa_jf_get_info_type): Removed.
2211         (ipa_node_create): Renamed to ipa_create_node_params
2212         (ipa_free): Renamed to ipa_free_all_node_params
2213         (ipa_nodes_create): Renamed to ipa_create_all_node_params
2214         (ipa_edges_create): Renamed to ipa_create_all_edge_args
2215         (ipa_edges_free): Renamed to ipa_free_all_edge_args
2216         (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
2217         (ipa_free_all_node_params): Deallocation to jump_functions moved to
2218         ipa_free_all_edge_args
2219         (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
2220         (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
2221         (ipa_create_methodlist_node): Removed.
2222         (ipa_methodlist_method): Removed.
2223         (ipa_methodlist_method_set): Removed.
2224         (ipa_methodlist_next_method): Removed.
2225         (ipa_methodlist_next_method_set): Removed.
2226         (ipa_method_is_modified): Removed.
2227         (ipa_method_modify_create): Removed.
2228         (ipa_method_modify_init): Temporary variable info instead of a few
2229         dereferences.
2230         (ipa_detect_param_modifications): Temporary variable info instead of
2231         a few dereferences.
2232         (ipa_compute_jump_functions): Temporary variable info instead of
2233         a few dereferences.
2234         (ipa_method_modify_set): Removed.
2235         (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
2236         (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather
2237         than craph_node as the first parameter.
2238         (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
2239         (ipa_method_modify_init): Removed.
2240         (ipa_compute_jump_functions): Added a temp variable instead of
2241         repeatadly dereferencing the cgraph_edge.aux pointer
2242         (ipa_callsite_param_set_type): Removed.
2243         (ipa_compute_jump_functions): i renamed to index and moved to
2244         an inner block
2245         (ipa_callsite_param_set_info_type_formal): Removed.
2246         (ipa_callsite_param_set_info_type): Removed.
2247         (ipa_callsite_param_map_create): Removed.
2248         (ipa_callsite_tree): Removed.
2249         (ipa_callsite_caller): Removed.
2250         (ipa_pop_func_from_list): return_method removed to return_func
2251
2252         * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
2253         prefixed all values with IPA_. Changed all users.
2254         (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN,
2255         CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF
2256         and FORMAL_IPATYPE IPA_PASS_THROUGH.
2257         (union parameter_info): Renamed to jump_func_value.
2258         (union jump_func_value): Renamed value to constant
2259         (struct ipa_jump_func): Renamed info_type to value
2260         (struct ipa_node): Renamed to ipa_node_params
2261         (struct ipa_node_params): Renamed ipa_arg_num to param_count
2262         (struct ipa_node_params): Renamed ipa_param_tree to param_decls
2263         (struct ipa_node_params): Renamed ipa_mod to modified_flags
2264         (struct ipa_edge): Renamed to ipa_edge_args
2265         (struct ipa_edge_args): Renamed ipa_param_num to argument_count
2266         (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
2267         (struct ipa_methodlist): Renamed to ipa_func_list
2268         (struct ipa_func_list): method_p renamed to node, next_method
2269         renamed to next
2270         (ipa_methodlist_p): Removed, switched all users to struct pointer
2271         (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
2272
2273 2008-04-30  Alan Modra  <amodra@bigpond.net.au>
2274
2275         * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
2276         (rs6000_emit_epilogue): Use backchain to restore only when we
2277         have a large frame.  Make use of frame pointer to restore if we
2278         have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
2279
2280 2008-04-29  Paolo Bonzini  <bonzini@gnu.org>
2281
2282         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
2283         Add mode to zero_extract.
2284         (sign bit tests peepholes): (Ditto.).
2285
2286 2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>
2287
2288         * config/i386/i386.c (ix86_builtins): Replace Prescott New
2289         Instructions in comments with SSE3.
2290         (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
2291         INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
2292         INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
2293         V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
2294         V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
2295         V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
2296         V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
2297         V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
2298         V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
2299         V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
2300         V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
2301         V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
2302         (bdesc_sse_args): Renamed to ...
2303         (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
2304         IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
2305         IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
2306         IX86_BUILTIN_FABSQ.
2307         (bdesc_1arg): Moved to ...
2308         (bdesc_args): Here.
2309         (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
2310         Instructions in comments with SSE3.
2311         (ix86_expand_sse_operands_builtin): Renamed to ...
2312         (ix86_expand_args_builtin): This.  Updated.
2313         (ix86_expand_unop1_builtin): Update comments.
2314         (ix86_expand_builtin): Updated.
2315
2316 2008-04-29  Richard Guenther  <rguenther@suse.de>
2317
2318         PR tree-optimization/36078
2319         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
2320         Update virtual SSA form after cleaning up the CFG.
2321
2322 2008-04-29  Richard Guenther  <rguenther@suse.de>
2323
2324         PR middle-end/15255
2325         * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
2326
2327 2008-04-29  Richard Guenther  <rguenther@suse.de>
2328
2329         * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
2330         (compute_may_aliases): Do not call finalize_ref_all_pointers.
2331         (compute_flow_insensitive_aliasing): Do not treat
2332         PTR_IS_REF_ALL pointers special.
2333         (get_smt_for): Likewise.
2334         (may_alias_p): Re-structure.
2335         (is_escape_site): A ref-all pointer conversion is not an escape site.
2336         * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
2337         PTR_IS_REF_ALL pointers special.
2338         * tree-ssa-structalias.h (struct alias_info): Remove
2339         ref_all_symbol_mem_tag field.
2340         (PTR_IS_REF_ALL): Remove.
2341
2342 2008-04-29  Richard Guenther  <rguenther@suse.de>
2343
2344         PR middle-end/36077
2345         * fold-const.c (extract_muldiv_1): In combining division constants
2346         make sure to never overflow.
2347
2348 2008-04-29  Nick Clifton  <nickc@redhat.com>
2349
2350         * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
2351
2352 2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2353
2354         PR bootstrap/35169
2355         * optc-gen.awk: Work around HP-UX/IA awk bug.
2356
2357 2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>
2358
2359         * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
2360         2008-04-25 commit.
2361
2362 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
2363
2364         PR target/36073
2365         * config/i386/i386.md
2366         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
2367         Change operand 1 predicate to nonimmediate_operand.
2368
2369 2008-04-28  Jakub Jelinek  <jakub@redhat.com>
2370
2371         PR debug/36060
2372         * dwarf2out.c (struct die_struct): Mark as chain_circular through
2373         die_sub field.
2374         * gengtype.c (walk_type, write_func_for_structure): Handle
2375         chain_circular.
2376         * doc/gty.texi: Document chain_circular.
2377
2378 2008-04-28  Richard Guenther  <rguenther@suse.de>
2379
2380         PR tree-optimization/36066
2381         * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
2382         SCEV and loop.
2383
2384 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
2385
2386         PR target/36064
2387         * config/i386/i386.md
2388         (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
2389         Use match_scratch instead of match_operand for operands 3 and 4.
2390
2391 2008-04-27  Richard Guenther  <rguenther@suse.de>
2392
2393         PR tree-optimization/18754
2394         PR tree-optimization/34223
2395         * tree-pass.h (pass_complete_unrolli): Declare.
2396         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
2397         loop size before and after unconditionally of UL_NO_GROWTH in effect.
2398         Rewrite loop into loop closed SSA form if it is not already.
2399         (tree_unroll_loops_completely): Re-structure to iterate over
2400         innermost loops with intermediate CFG cleanups.
2401         Unroll outermost loops only if requested or the code does not grow
2402         doing so.
2403         * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
2404         loops are available.
2405         (tree_vectorize): Instead do so here.
2406         (tree_complete_unroll): Also unroll outermost loops.
2407         (tree_complete_unroll_inner): New function.
2408         (gate_tree_complete_unroll_inner): Likewise.
2409         (pass_complete_unrolli): New pass.
2410         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
2411         uses outside of the loop.
2412         (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
2413         form if it is available.
2414         * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
2415         * passes.c (init_optimization_passes): Schedule complete inner
2416         loop unrolling pass before the first CCP pass after final inlining.
2417
2418 2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>
2419
2420         * targhooks.h (default_emutls_var_fields,
2421         default_emutls_var_init): Declare.
2422         * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
2423         * target.h (struct gcc_target): Add struct emutls member.
2424         * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
2425         TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
2426         TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
2427         TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
2428         TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
2429         TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
2430         (TARGET_INITIALIZER): Add TARGET_EMUTLS.
2431         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
2432         BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
2433         * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
2434         emit debug information.
2435         * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
2436         * varasm.c: Include targhooks.h.
2437         (emutls_object_section, emutls_tmpl_section): New.
2438         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
2439         (EMUTLS_SEPARATOR): New.
2440         (prefix_name): New.
2441         (get_emutls_object_name): New.
2442         (default_emutls_var_fields): New, broken out of ...
2443         (get_emutls_object_type): ... here.  Adjust to use target hooks.
2444         (get_emutls_init_templ_addr): Adjust to use target hooks.
2445         (emutls_decl): Adjust to use target hooks.
2446         (emutls_finish): Likewise.
2447         (default_emutls_var_init): New, broken out of ...
2448         (assemble_variable): ... here.  Adjust to use target hooks.
2449         * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
2450         SECCAT_EMUTLS_TMPL.
2451         * c-common.c (handle_section_attribute): Prevent overriding
2452         sections for emulated tls with special sections.
2453         * config/i386/i386.c (x86_64_elf_select_section): Add
2454         SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
2455         (x86_64_elf_unique_section): Likewise.
2456         * config/vxworks.c: Include tree.h.
2457         (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
2458         (vxworks_override_options): Set TLS scheme.
2459         * doc/tm.texi (Emulated TLS): New node.
2460
2461 2008-04-26  Simon Baldwin <simonb@google.com>
2462
2463         PR c/35652
2464         * builtins.c (c_strlen): Suppressed multiple warnings that can occur
2465         with propagated string constants.
2466
2467 2008-04-26  Uros Bizjak  <ubizjak@gmail.com>
2468
2469         * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
2470         constraint for operand 2 when operand 0 is memory operand.
2471         (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
2472         operand 0 is memory operand.
2473         (fix_trunc<mode>_i387_with_temp): Ditto.
2474         (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
2475         operand 2 when operand 1 is memory operand.
2476         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
2477         (*floatsi<mode>2_vector_sse_with_temp): Ditto.
2478         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
2479         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
2480         (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
2481         operands 2,3 and 4 when operand 1 is memory operand.
2482         (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
2483         is memory operand.
2484         (fistdi2_floor_with_temp): Ditto.
2485         (fist<mode>2_floor_with_temp): Ditto.
2486         (fistdi2_ceil_with_temp): Ditto.
2487         (fist<mode>2_ceil_with_temp): Ditto.
2488         (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
2489
2490 2008-04-26  David Daney  <ddaney@avtrex.com>
2491
2492         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
2493         unspec_volitile.
2494         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
2495         UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
2496         UNSPEC_UPDATE_GOT_VERSION): Renumber.
2497         (sync_compare_and_swap<mode>): New expand for QI and HI modes.
2498         (compare_and_swap_12): New insn.
2499         * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
2500         * config/mips/mips.c (mips_force_binary): New function.
2501         (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
2502         (mips_expand_compare_and_swap_12): New function.
2503         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
2504
2505 2008-04-25  Jan Hubicka  <jh@suse.cz>
2506
2507         PR testsuite/35843
2508         * cfgexpand.c (pass_expand): Turn into RTL pass.
2509         * passes.c (execute_one_pass): Do pass typechecking after execution.
2510         * tree-pass.h (pass_expand): Turn into RTL pass.
2511
2512         * function.h (struct rtl_data): Move here fields
2513         accesses_prior_frames, calls_eh_return, saves_all_registers,
2514         has_nonlocal_goto, has_asm_statement, is_thunk,
2515         all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
2516         uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
2517         arg_pointer_save_area_init from struct function; turn into bool.
2518         (struct function): Move
2519         calls_eh_return, saves_all_registers, has_nonlocal_goto,
2520         has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
2521         profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
2522         tail_call_emit, arg_pointer_save_area_init
2523         into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
2524         (current_function_returns_struct, current_function_returns_pcc_struct,
2525         current_function_calls_setjmp, current_function_calls_alloca,
2526         current_function_accesses_prior_frames,
2527         current_function_calls_eh_return, current_function_is_thunk,
2528         current_function_stdarg, current_function_profile,
2529         current_function_limit_stack, current_function_uses_pic_offset_table,
2530         current_function_uses_const_pool, current_function_has_nonlocal_label,
2531         current_function_saves_all_registers,
2532         current_function_has_nonlocal_goto,
2533         current_function_has_asm_statement): Remove accesor macros.
2534         * ra-conflict.c (global_conflicts): Update.
2535         * tree-tailcall.c (suitable_for_tail_opt_p): Update.
2536         (suitable_for_tail_call_opt_p): Update.
2537         * builtins.c (expand_builtin_return_addr): Update.
2538         (expand_builtin_setjmp_setup): Update.
2539         (expand_builtin_nonlocal_goto): Update.
2540         * final.c (final_start_function): Update.
2541         (profile_function): Update.
2542         (leaf_function_p): Update.
2543         (only_leaf_regs_used): Update.
2544         * df-scan.c (df_get_exit_block_use_set): Update.
2545         * dojump.c (clear_pending_stack_adjust): Update.
2546         * tree-stdarg.c (gate_optimize_stdarg): Update.
2547         * gimple-low.c (lower_function_body): Update.
2548         * global.c (compute_regsets): Update.
2549         (global_alloc): Update.
2550         * dwarf2out.c (dwarf2out_begin_prologue): Update.
2551         * expr.c (expand_assignment): Update.
2552         * dse.c (dse_step0): Update.
2553         (dse_step1): Update.
2554         * c-decl.c (store_parm_decls): Update.
2555         * local-alloc.c (combine_regs): Update.
2556         (find_free_reg): Update.
2557         * function.c (assign_parms_augmented_arg_list): Update.
2558         (assign_parm_find_data_types): Update.
2559         (assign_parms): Update.
2560         (allocate_struct_function): Update.
2561         (expand_function_start): Update.
2562         (expand_function_end): Update.
2563         (get_arg_pointer_save_area): Update.
2564         (thread_prologue_and_epilogue_insns): Update.
2565         (rest_of_match_asm_constraints): Update.
2566         * stor-layout.c (variable_size): Update.
2567         * gcse.c (gcse_main): Update.
2568         (bypass_jumps): Update.
2569         * gimplify.c (gimplify_function_tree): Update.
2570         * calls.c (emit_call_1): Update.
2571         (expand_call): Update.
2572         * bt-load.c (compute_defs_uses_and_gen): Update.
2573         * except.c (sjlj_assign_call_site_values): Update.
2574         (sjlj_emit_function_enter): Update.
2575         (can_throw_external): Update.
2576         (set_nothrow_function_flags): Update.
2577         (expand_builtin_unwind_init): Update.
2578         (expand_eh_return): Update.
2579         (convert_to_eh_region_ranges): Update.
2580         (output_function_exception_table): Update.
2581         * emit-rtl.c (gen_tmp_stack_mem): Update.
2582         * cfgexpand.c (expand_used_vars): Update.
2583         (tree_expand_cfg): Update.
2584         * cfgcleanup.c (rest_of_handle_jump): Update.
2585         * explow.c (allocate_dynamic_stack_space): Update.
2586         * varasm.c (assemble_start_function): Update.
2587         (force_const_mem): Update.
2588         (mark_constant_pool): Update.
2589         * tree-optimize.c (tree_rest_of_compilation): Update.
2590         * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
2591         * tree-cfg.c (notice_special_calls): Update.
2592         (is_ctrl_altering_stmt): Update.
2593         (tree_can_make_abnormal_goto): Update.
2594         (tree_purge_dead_abnormal_call_edges): Update.
2595         * config/alpha/predicates.md: Update.
2596         * config/alpha/alpha.c (alpha_sa_mask): Update.
2597         (alpha_sa_size): Update.
2598         (alpha_does_function_need_gp): Update.
2599         (alpha_expand_prologue): Update.
2600         (alpha_start_function): Update.
2601         (alpha_output_function_end_prologue): Update.
2602         (alpha_expand_epilogue): Update.
2603         * config/frv/frv.c (frv_stack_info): Update.
2604         (frv_expand_epilogue): Update.
2605         * config/s390/s390.c (s390_regs_ever_clobbered): Update.
2606         (s390_register_info): Update.
2607         (s390_frame_info): Update.
2608         (s390_init_frame_layout): Update.
2609         (s390_can_eliminate): Update.
2610         (save_gprs): Update.
2611         * config/spu/spu.c (spu_split_immediate): Update.
2612         (need_to_save_reg): Update.
2613         (spu_expand_prologue): Update.
2614         (spu_expand_epilogue): Update.
2615         * config/sparc/sparc.md: Update.
2616         * config/sparc/sparc.c (eligible_for_return_delay): Update.
2617         (sparc_tls_got): Update.
2618         (legitimize_pic_address): Update.
2619         (sparc_emit_call_insn): Update.
2620         (sparc_expand_prologue): Update.
2621         (output_return): Update.
2622         (print_operand): Update.
2623         (sparc_function_ok_for_sibcall): Update.
2624         * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
2625         * config/m32r/m32r.md: Update.
2626         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
2627         (m32r_compute_frame_size): Update.
2628         (m32r_expand_prologue): Update.
2629         (m32r_expand_epilogue): Update.
2630         (m32r_legitimize_pic_address): Update.
2631         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
2632         * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
2633         * config/i386/i386.c (ix86_frame_pointer_required): Update.
2634         (gen_push): Update.
2635         (ix86_save_reg): Update.
2636         (ix86_compute_frame_layout): Update.
2637         (ix86_expand_prologue): Update.
2638         (ix86_expand_epilogue): Update.
2639         * config/sh/sh.c (output_stack_adjust): Update.
2640         (calc_live_regs): Update.
2641         (sh5_schedule_saves): Update.
2642         (sh_expand_prologue): Update.
2643         (sh_expand_epilogue): Update.
2644         (sh_setup_incoming_varargs): Update.
2645         (sh_allocate_initial_value): Update.
2646         (sh_get_pr_initial_val): Update.
2647         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
2648         * config/sh/sh.md (label:): Update.
2649         * config/avr/avr.c (out_movhi_mr_r): Update.
2650         * config/crx/crx.h (enum): Update.
2651         * config/xtensa/xtensa.h (along): Update.
2652         * config/stormy16/stormy16.c Update.
2653         (xstormy16_compute_stack_layout): Update.
2654         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
2655         (fr30_expand_prologue): Update.
2656         * config/cris/cris.c (cris_conditional_register_usage): Update.
2657         (cris_reg_saved_in_regsave_area): Update.
2658         (cris_initial_frame_pointer_offset): Update.
2659         (cris_simple_epilogue): Update.
2660         (cris_expand_prologue): Update.
2661         (cris_expand_epilogue): Update.
2662         (cris_expand_pic_call_address): Update.
2663         (cris_asm_output_symbol_ref): Update.
2664         (cris_asm_output_label_ref): Update.
2665         * config/cris/cris.md Update.
2666         * config/iq2000/iq2000.c (compute_frame_size): Update.
2667         (iq2000_expand_epilogue): Update.
2668         * config/mt/mt.h (save_direction): Update.
2669         * config/mn10300/mn10300.c (mn10300_function_value): Update.
2670         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
2671         (ia64_secondary_reload_class): Update.
2672         * config/m68k/m68k.c (m68k_save_reg): Update.
2673         (m68k_expand_prologue): Update.
2674         (m68k_expand_epilogue): Update.
2675         (legitimize_pic_address): Update.
2676         * config/rs6000/rs6000.c (rs6000_got_register): Update.
2677         (first_reg_to_save): Update.
2678         (first_altivec_reg_to_save): Update.
2679         (compute_vrsave_mask): Update.
2680         (compute_save_world_info): Update.
2681         (rs6000_stack_info): Update.
2682         (spe_func_has_64bit_regs_p): Update.
2683         (rs6000_ra_ever_killed): Update.
2684         (rs6000_emit_eh_reg_restore): Update.
2685         (rs6000_emit_allocate_stack): Update.
2686         (rs6000_emit_prologue): Update.
2687         (rs6000_emit_epilogue): Update.
2688         (rs6000_output_function_epilogue): Update.
2689         (output_profile_hook): Update.
2690         (rs6000_elf_declare_function_name): Update.
2691         * config/rs6000/rs6000.h (rs6000_args): Update.
2692         * config/rs6000/rs6000.md: Update.
2693         * config/mcore/mcore.c (mcore_expand_prolog): Update.
2694         * config/arc/arc.c (arc_output_function_epilogue): Update.
2695         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
2696         * config/darwin.c (machopic_function_base_name): Update.
2697         * config/score/score3.c (score3_compute_frame_size): Update.
2698         (rpush): Update.
2699         (rpop): Update.
2700         (score3_epilogue): Update.
2701         * config/score/score7.c (score7_compute_frame_size): Update.
2702         (score7_prologue): Update.
2703         (score7_epilogue): Update.
2704         * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
2705         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
2706         * config/arm/arm.c (use_return_insn): Update.
2707         (require_pic_register): Update.
2708         (arm_load_pic_register): Update.
2709         (arm_compute_save_reg0_reg12_mask): Update.
2710         (arm_compute_save_reg_mask): Update.
2711         (thumb1_compute_save_reg_mask): Update.
2712         (output_return_instruction): Update.
2713         (arm_output_function_prologue): Update.
2714         (arm_output_epilogue): Update.
2715         (arm_get_frame_offsets): Update.
2716         (arm_expand_prologue): Update.
2717         (thumb_pushpop): Update.
2718         (thumb_exit): Update.
2719         (thumb1_expand_prologue): Update.
2720         (thumb1_expand_epilogue): Update.
2721         (arm_unwind_emit): Update.
2722         (arm_output_fn_unwind): Update.
2723         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
2724         * config/arm/arm.md: Update.
2725         * config/pa/pa.md: Update.
2726         * config/pa/pa.c (legitimize_pic_address): Update.
2727         (compute_frame_size): Update.
2728         (hppa_expand_prologue): Update.
2729         (hppa_expand_epilogue): Update.
2730         (borx_reg_operand): Update.
2731         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
2732         (HARD_REGNO_RENAME_OK): Update.
2733         * config/mips/mips.c (mips_global_pointer): Update.
2734         (mips_save_reg_p): Update.
2735         (mips_compute_frame_info): Update.
2736         (mips_frame_pointer_required): Update.
2737         (mips_expand_prologue): Update.
2738         (mips_expand_epilogue): Update.
2739         (mips_can_use_return_insn): Update.
2740         (mips_reorg_process_insns): Update.
2741         * config/v850/v850.c (compute_register_save_size): Update.
2742         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
2743         * config/mmix/mmix.c (along): Update.
2744         (mmix_expand_epilogue): Update.
2745         * config/bfin/bfin.c (legitimize_pic_address): Update.
2746         (must_save_p): Update.
2747         (stack_frame_needed_p): Update.
2748         (add_to_reg): Update.
2749         (bfin_expand_prologue): Update.
2750         * stmt.c (expand_asm_operands): Update.
2751         * reload1.c (reload): Update.
2752         (init_elim_table): Update.
2753
2754 2008-04-25  Bob Wilson  <bob.wilson@acm.org>
2755
2756         * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
2757
2758 2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>
2759
2760         * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
2761         (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
2762         (mov<mode>): Removed.
2763         (*movv4sf_internal): Likewise.
2764         (*movv2df_internal): Likewise.
2765
2766 2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
2767
2768         * config.gcc (crx-*-elf): Remove deprecation.
2769
2770 2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>
2771
2772         * config/i386/cygming-crtend.c (register_frame_ctor): Register
2773         __gcc_deregister_frame with atexit.
2774         (deregister_frame_dtor): Remove.
2775
2776 2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
2777             Nathan Sidwell  <nathan@codesourcery.com>
2778
2779         * config/rs6000/rs6000.opt (mspe): Remove Var property.
2780         (misel): Likewise.
2781         * config/rs6000/rs6000.h (rs6000_spe): Declare.
2782         (rs6000_isel): Likewise.
2783         * config/rs6000/rs6000.c (rs6000_spe): New variable.
2784         (rs6000_isel): New variable.
2785         (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
2786
2787 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
2788
2789         PR c++/35758
2790         * c-common.c (handle_vector_size_attribute): Call
2791         lang_hooks.types.reconstruct_complex_type instead of
2792         reconstruct_complex_type.
2793         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
2794         * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
2795         * langhooks.h (struct lang_hooks_for_types): Add
2796         reconstruct_complex_type hook.
2797         * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
2798         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
2799
2800 2008-04-24  Richard Guenther  <rguenther@suse.de>
2801
2802         * c-common.h (check_builtin_function_arguments): Declare.
2803         * c-common.c (validate_nargs): New function.
2804         (check_builtin_function_arguments): Likewise.
2805         * c-typeck.c (build_function_call): Call
2806         check_builtin_function_arguments.
2807         * builtins.c (fold_builtin_classify): Remove error reporting code.
2808         (fold_builtin_unordered_cmp): Likewise.
2809         (fold_builtin_1): Likewise.
2810         (fold_builtin_n): Likewise.
2811
2812 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
2813
2814         PR tree-optimization/36008
2815         * fold-const.c (try_move_mult_to_index): If s == NULL, divide
2816         the original op1, rather than delta by step.
2817
2818 2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
2819             Sebastian Pop  <sebastian.pop@amd.com>
2820
2821         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
2822         eliminate_local_variables_stmt, eliminate_local_variables,
2823         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
2824         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
2825         of code delimited by two edges in the CFG.
2826         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
2827         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
2828         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
2829         the case of parallelisation of reductions.
2830         (expr_invariant_in_region_p): New.
2831
2832         * tree-flow.h (gather_blocks_in_sese_region): Declared.
2833         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
2834
2835 2008-04-24  Ira Rosen  <irar@il.ibm.com>
2836             Richard Guenther  <rguenther@suse.de>
2837
2838         PR tree-optimization/36034
2839         * tree-vect-analyze.c (vect_analyze_group_access): SLP is
2840         incapable of dealing with loads with gaps.
2841
2842 2008-04-24  Rafael Espindola  <espindola@google.com>
2843
2844         * tree-flow.h (vrp_evaluate_conditional): Change signature.
2845         * tree-ssa-propagate.c (fold_predicate_in): Update call to
2846         vrp_evaluate_conditional.
2847         * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
2848         (vrp_evaluate_conditional): Split the cond argument.
2849         (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
2850         (simplify_stmt_for_jump_threading): Update call to
2851         vrp_evaluate_conditional.
2852
2853 2008-04-24  Ira Rosen  <irar@il.ibm.com>
2854
2855         PR tree-optimization/35982
2856         * tree-vect-analyze.c (vect_check_interleaving): Check that the
2857         interleaved data-refs are of the same type.
2858
2859 2008-04-24  Danny Smith  <dannysmith@users.net>
2860
2861         * c-format.c (check_format_info_main): Use strncmp rather than a
2862         magic prefix to handle multichar length specs.
2863         * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
2864         Don't prefix "I64" and "I32" with '\0'.
2865
2866 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
2867
2868         PR target/36015
2869         * config/i386/i386.c (init_cumulative_args): Don't pass anything
2870         in registers for -m32 only if stdarg_p (fntype).
2871
2872 2008-04-24  Uros Bizjak  <ubizjak@gmail.com>
2873
2874         PR rtl-optimization/36006
2875         * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
2876         temp to op0 in order to avoid invalid rtx sharing.
2877
2878 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
2879
2880         * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
2881         check TREE_INVARIANT.
2882         * tree-gimple.c (is_gimple_address): New.
2883         (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
2884         * tree-gimple.h (is_gimple_address): New.
2885         * tree.h (decl_address_invariant_p): New.
2886         * tree.c (make_node_stat): Don't set TREE_INVARIANT.
2887         (build_string): Likewise.
2888         (decl_address_invariant_p): New, from is_gimple_invariant_address.
2889         (tree_invariant_p_1): Likewise.
2890         (save_expr): Use it.
2891         (tree_invariant_p): New.
2892         (skip_simple_arithmetic): Use it.
2893         (stabilize_reference_1): Use it.
2894         (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
2895         simplify.
2896         (build1_stat): Drop code to compute TREE_INVARIANT.
2897         (build2_stat): Drop code to compute TREE_INVARIANT.
2898         (build3_stat): Drop code to compute TREE_INVARIANT.
2899         (build4_stat): Drop code to compute TREE_INVARIANT.
2900         (build5_stat): Drop code to compute TREE_INVARIANT.
2901         (build7_stat): Drop code to compute TREE_INVARIANT.
2902         (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
2903         * tree.h (struct tree_base): Remove invariant_flag.
2904         (TREE_INVARIANT): Remove.
2905         * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
2906         (fold_builtin_expect): Check TREE_CONSTANT.
2907         * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
2908         * c-tree.h (c_expr_to_decl): Drop third parameter.
2909         * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
2910         (build_c_cast): Don't set TREE_INVARIANT.
2911         (pop_init_level): Don't set TREE_INVARIANT.
2912         (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
2913         * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
2914         TREE_CONSTANT.
2915         (gimplify_init_constructor): Don't set TREE_INVARIANT.
2916         (gimplify_addr_expr): Adjust comment.
2917         * tree-mudflap.c (mf_build_string):
2918         * print-tree.c (print_node): Don't print TREE_INVARIANT.
2919         * tree-nested.c (convert_nonlocal_reference): Adjust comment.
2920         * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
2921         * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
2922         * langhooks.c (lhd_expr_to_decl): Drop third parameter.
2923         * langhooks.h (struct lang_hooks): Drop third parameter from
2924         expr_to_decl.
2925
2926 2008-04-23  Richard Guenther  <rguenther@suse.de>
2927
2928         PR tree-optimization/27799
2929         PR tree-optimization/32921
2930         PR tree-optimization/32624
2931         * tree-ssa-structalias.c (merge_smts_into): Only merge the
2932         SMTs aliases and the tag itself into the solution.
2933         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
2934         merge the points-to solution back into the SMT aliases.
2935         (may_alias_p): Use alias_set_subset_of instead of
2936         aliases_conflict_p.  A pointer which points to
2937         memory with alias set zero may access any variable.
2938
2939 2008-04-23  Richard Guenther  <rguenther@suse.de>
2940
2941         * alias.c (alias_set_subset_of): Correctly handle asking
2942         if zero is a subset of an alias set with zero child.
2943         * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
2944         (compute_flow_insensitive_aliasing): Correctly walk all
2945         pointers.  Do not unnecessarily union sets.
2946
2947 2008-04-23  Richard Guenther  <rguenther@suse.de>
2948
2949         PR middle-end/36021
2950         * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
2951
2952 2008-04-22  Tomas Bily  <tbily@suse.cz>
2953
2954         * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
2955         unreachable case.
2956         * tree-vrp.c (extract_range_from_unary_expr): Removed unused
2957         NON_LVALUE_EXPR.
2958         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
2959         * tree-ssa-structalias.c (get_constraint_for): Likewise.
2960         * tree-inline.c (estimate_num_insns_1): Likewise.
2961         * varasm.c (const_hash_1, compare_constant, copy_constant)
2962         (compute_reloc_for_constant, output_addressed_constants): Likewise.
2963         * emit-rtl.c (component_ref_for_mem_expr)
2964         (set_mem_attributes_minus_bitpos): Likewise.
2965         * expr.c (highest_pow2_factor, expand_expr_real_1, )
2966         (is_aligning_offset): Likewise.
2967         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
2968         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
2969         * dojump.c (do_jump): Likewise.
2970         * builtins.c (get_pointer_alignment, get_memory_rtx)
2971         (integer_valued_real_p, fold_builtin_next_arg): Likewise.
2972         * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
2973
2974 2008-04-23  Jakub Jelinek  <jakub@redhat.com>
2975
2976         PR rtl-optimization/36017
2977         * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
2978         expanding the library call.
2979
2980 2008-04-22  Ian Lance Taylor  <iant@google.com>
2981
2982         * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
2983         than size_in_bytes.
2984
2985 2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>
2986
2987         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
2988         of LR/CTR moves for Power6.
2989
2990 2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
2991
2992         PR middle-end/36003
2993         * passes.c (init_optimization_passes): Remove
2994         pass_fast_rtl_byte_dce.
2995
2996 2008-04-22  Uros Bizjak  <ubizjak@gmail.com>
2997
2998         PR target/29096
2999         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
3000         builtin functions to generate faster code.
3001         (_mm_cvtpu16_ps): Ditto.
3002         (_mm_cvtpi32x2_ps): Ditto.
3003
3004 2008-04-22  Nick Clifton  <nickc@redhat.com>
3005
3006         * common.opt (ftree-loop-distribution): Add Optimization
3007         attribute.
3008
3009         * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
3010         (frv_expand_builtin_va_start): Likewise.
3011
3012         * config/arm/arm.c (thumb_find_work_register): Fix location of
3013         argument register count.
3014
3015 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
3016
3017         Support scheduling for ColdFire V1 and V3 microarchitecture.
3018         Improve scheduling of multiplication instructions.
3019
3020         * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
3021         (mac): New instruction attribute.
3022         * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
3023         (m68k_sched_mac): New variable.
3024         (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
3025         Handle cfv1 and cfv3.
3026         (max_insn_size): New static variable.
3027         (struct _sched_ib): New type.
3028         (sched_ib): New static variable.
3029         (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
3030         to fields of 'struct _sched_ib sched_ib'.  Update all uses.
3031         (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
3032         Update.
3033         (m68k_sched_md_init_global, m68k_sched_md_finish_global,
3034         m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
3035         new variables.  Update.
3036         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
3037         Add modeling of cfv3 instruction buffer.  Update.
3038         * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
3039         * config/m68k/m68k.h (TUNE_CFV3): New macro.
3040         * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
3041         (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
3042         a particular reservation applies to.
3043         (type2): Reorganize attribute values.  Rename alu to alu_reg,
3044         alu_l to alu, move_l to omove.  Join move to alu.  Split mul
3045         to mul_l and mul_w.
3046         (cf_ib_*): Simplify description of instruction buffer.
3047         (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
3048         (cf_mem): Split into cf_mem1 and cf_mem2.
3049         (cf_v2_move_??): Rename to cfv12_alu_??.
3050         (cf_v2_move_l_??): Rename to cfv12_omove_??.
3051         (cf_v2_mul_??): Remove reservations.
3052         (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
3053         cfv12_emac_??, cfv12_emac_w_i0): New reservations.
3054         (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
3055         appropriate place.
3056         (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
3057         cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
3058         cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
3059         cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
3060         cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
3061         cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
3062         (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
3063         expansions of the above reservations for instructions of sizes
3064         1, 2 and 3 words.
3065
3066 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
3067
3068         * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
3069
3070 2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>
3071
3072         * coverage.c: Include tree-pass.h.
3073         (coverage_counter_alloc): Print da_file_name to the dump file.
3074
3075 2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>
3076
3077         * sbitmap.c (sbitmap_range_empty_p): New function.
3078         * sbitmap.h (sbitmap_range_empty_p): New function.
3079         * bitmap.h: Now includes obstack.h.
3080
3081 2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
3082             Kenneth Zadeck  <zadeck@naturalbridge.com>
3083
3084         * dbgcnt.def (ra_byte_scan): Added.
3085         * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
3086         when the last hit happens for a counter.
3087         * timevar.def (TV_DF_BYTE_LR): New variable.
3088         * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
3089         * passes.c (pass_fast_rtl_byte_dce): New pass.
3090         * fwprop.c (update_df): Added mode to call df_ref_create.
3091         Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
3092         DF_REF_EXTRACT_OFFSET.
3093         * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN,
3094         DF_BYTE_LR_OUT, df_byte_lr): New macro.
3095         (df_mm): New enum.
3096         (df_ref_extract): Added mode field.
3097         (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
3098         DF_REF_EXTRACT_OFFSET.
3099         (DF_REF_EXTRACT_MODE): New macro.
3100         (df_byte_lr_bb_info): New structure.
3101         (df_print_byte_regset, df_compute_accessed_bytes,
3102         df_byte_lr_add_problem, df_byte_lr_get_regno_start,
3103         df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
3104         df_byte_lr_simulate_uses,
3105         df_byte_lr_simulate_artificial_refs_at_top,
3106         df_byte_lr_simulate_artificial_refs_at_end,
3107         df_compute_accessed_bytes): New function.
3108         (df_ref_create): Add parameter.
3109         (df_byte_lr_get_bb_info): New inline function.
3110         * df-scan.c (df_ref_record, df_uses_record,
3111         df_ref_create_structure): Added mode parameter.
3112         (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1,
3113         df_defs_record, df_uses_record, df_get_conditional_uses,
3114         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
3115         df_entry_block_defs_collect, df_exit_block_uses_collect):
3116         Added mode parameter to calls to df_ref_record, df_uses_record,
3117         df_ref_create_structure.
3118         (df_ref_equal_p, df_ref_compare): Added test for modes.
3119         (df_ref_create_structure): Added code to set mode.  Renamed
3120         DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
3121         DF_REF_EXTRACT_OFFSET.
3122         * df-core.c (df_print_byte_regset): New function.
3123         * df-byte-scan.c: New file.
3124         * df-problems.c (df_rd_transfer_function): Removed unnecessary
3125         calls to BITMAP_FREE.
3126         (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
3127         (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
3128         df_byte_lr_set_bb_info, df_byte_lr_free_bb_info,
3129         df_byte_lr_check_regs, df_byte_lr_expand_bitmap,
3130         df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
3131         df_byte_lr_local_compute, df_byte_lr_init,
3132         df_byte_lr_confluence_0, df_byte_lr_confluence_n,
3133         df_byte_lr_transfer_function, df_byte_lr_free,
3134         df_byte_lr_top_dump, df_byte_lr_bottom_dump,
3135         df_byte_lr_add_problem, df_byte_lr_simulate_defs,
3136         df_byte_lr_simulate_uses,
3137         df_byte_lr_simulate_artificial_refs_at_top,
3138         df_byte_lr_simulate_artificial_refs_at_end): New function.
3139         * dce.c (byte_dce_process_block): New function.
3140         (dce_process_block): au is now passed in rather than computed
3141         locally.  Changed loops that look at artificial defs to not look
3142         for conditional or partial ones, because there never are any.
3143         (fast_dce): Now is able to drive byte_dce_process_block or
3144         dce_process_block depending on the kind of dce being done.
3145         (rest_of_handle_fast_dce): Add parameter to fast_dce.
3146         (rest_of_handle_fast_byte_dce): New function.
3147         (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
3148         * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
3149
3150 2008-04-21  Daniel Franke  <franke.daniel@gmail.com>
3151
3152         PR fortran/35019
3153         * gcc.h: Added fortran options that take arguments to
3154         DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
3155         macros.
3156
3157 2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>
3158
3159         * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
3160         scalarization if on the LHS and not a full access.
3161
3162 2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3163
3164         * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
3165
3166 2008-04-18  Rafael Espindola  <espindola@google.com>
3167
3168         * tree-vrp.c (find_case_label_index): Fix the binary search.
3169         (find_case_label_range): New.
3170         (vrp_visit_switch_stmt): Use find_case_label_range.
3171         (simplify_switch_using_ranges): Use find_case_label_range.
3172
3173 2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>
3174
3175         * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
3176         using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
3177
3178 2008-04-18  Tom Tromey  <tromey@redhat.com>
3179
3180         PR libcpp/15500:
3181         * doc/cpp.texi (Implementation-defined behavior): Mention
3182         -finput-charset.
3183
3184 2008-04-18  Ian Lance Taylor  <iant@google.com>
3185
3186         * fold-const.c (pointer_may_wrap_p): New static function.
3187         (fold_comparison): Add another test for pointer overflow.  Use
3188         pointer_may_wrap_p to disable some false positives.
3189
3190 2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
3191
3192         * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
3193         (fname_as_string): Match updated cpp_interpret_string prototype.
3194         (fix_string_type): Support char16_t* and char32_t*.
3195         (c_common_nodes_and_builtins): Add char16_t and char32_t (and
3196         derivative) nodes.  Register as builtin if C++0x.
3197         (c_parse_error): Support CPP_CHAR{16,32}.
3198         * c-common.h (RID_CHAR16, RID_CHAR32): New elements.
3199         (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
3200         CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
3201         CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
3202         CTI_CHAR32_ARRAY_TYPE>: New elements.
3203         (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
3204         char32_type_node, signed_char32_type_node, char16_array_type_node,
3205         char32_array_type_node): New defines.
3206         * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
3207         (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
3208         (lex_string): Support CPP_STRING{16,32}, match updated
3209         cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
3210         (lex_charconst): Support CPP_CHAR{16,32}.
3211         * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
3212         and CPP_STRING{16,32}.
3213
3214 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
3215
3216         PR bootstrap/35457
3217         * aclocal.m4: Regenerate.
3218         * configure: Regenerate.
3219
3220 2008-04-18  Jan Hubicka  <jh@suse.cz>
3221
3222         * except.c (dw2_size_of_call_site_table,
3223         sjlj_size_of_call_site_table): Use vector API for call_site_record.
3224
3225         * cgraphbuild.c (build_cgraph_edges): Update.
3226         * tree-pass.h: Update comment.
3227         * final.c (leaf_function_p): Update.
3228         (leaf_renumber_regs): Update.
3229         (rest_of_clean_state): Update.
3230         * omp-low.c (expand_omp_parallel): Update.
3231         * ipa-reference.c (analyze_function): Update.
3232         * reorg.c (find_end_label): Update.
3233         (optimize_skip): Update.
3234         (fill_simple_delay_slots): Update.
3235         (fill_simple_delay_slots): Update.
3236         (make_return_insns): Update.
3237         (dbr_schedule): Update.
3238         * gimple-low.c (record_vars_into): Update.
3239         * cfgbuild.c (make_edges): Update.
3240         * function.c (assign_stack_local): Update.
3241         (assign_parm_adjust_stack_rtl): Update.
3242         (locate_and_pad_parm): Update.
3243         (allocate_struct_function): Do not initialize stack_alignment_needed
3244         and preferred_stack_boundary here.
3245         (stack_protect_prologue): Update.
3246         (stack_protect_epilogue): Update.
3247         (expand_function_start): Initialize stack_alignment_needed,
3248         preferred_stack_boundary and max_jumptable_ents.
3249         (expand_function_end): Update.
3250         (free_after_compilation): Do not NULLify epilogue_delay_list.
3251         * function.h (struct rtl_data): Add stack_protect_guard,
3252         stack_alignment_needed,
3253         preferred_stack_boundary, epilogue_delay_list.
3254         (struct function): Remove value_histograms, stack_alignment_needed,
3255         preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
3256         last_label_uid,
3257         unexpanded_var_list, stack_protect_guard.
3258         (current_function_epilogue_delay_list): Remove.
3259         * ipa-type-escape.c (analyze_function): Update.
3260         * gimplify.c (pop_gimplify_context): Update comment.
3261         * calls.c (expand_call): Update.
3262         (emit_library_call_value_1): Update.
3263         * except.c (set_nothrow_function_flags): Update.
3264         * cfgexpand.c (get_decl_align_unit): Update.
3265         (create_stack_guard): Update.
3266         (estimated_stack_frame_size): Update.
3267         (expand_used_vars): Update.
3268         (tree_expand_cfg): Free histogram earliers, init expansion variables.
3269         * explow.c (allocate_dynamic_stack_space): Update.
3270         * tree-ssa-live.c (remove_unused_locals): Update.
3271         * varasm.c (mark_constant_pool): Update.
3272         * tree-inline.c (remap_decls): Update.
3273         (initialize_cfun): Update.
3274         (declare_return_variable): Update.
3275         (inline_forbidden_p): Update.
3276         (expand_call_inline): Update.
3277         (declare_inline_vars): Update.
3278         (tree_function_versioning): Update.
3279         * tree-flow.h (value_histograms): New.
3280         (VALUE_HISTOGRAMS): New macro.
3281         * basic-block.h (control_flow_graph): Add max_jumptable_ents,
3282         last_label_uid.
3283         * tree-cfg.c (set_bb_for_stmt): Update.
3284         (replace_by_duplicate_decl): Update.
3285         (move_block_to_fn): Update.
3286         (new_label_mapper): Update.
3287         (dump_function_to_file): Update.
3288         * ipa-struct-reorg.c (build_data_structure): Update.
3289         * cfgrtl.c (print_rtl_with_bb): Update.
3290         * reload1.c (reload): Update.
3291         (reload): Update.
3292         * config/i386/i386.c (setup_incoming_varargs_64,
3293         ix86_compute_frame_layout): Update.
3294         * config/arc/arc.c (arc_output_function_epilogue): Update.
3295
3296 2008-04-18  Marius Strobl <marius@FreeBSD.org>
3297
3298         * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
3299         for FreeBSD as well.
3300         * gthr-posix95.h: Likewise.
3301
3302 2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>
3303
3304         PR rtl-optimization/35838
3305         * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
3306         out the byte offset of the first subreg.
3307
3308 2008-04-17  Uros Bizjak  <ubizjak@gmail.com>
3309
3310         * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
3311         to split_ti instead of three separate calls with single member arrays.
3312         (subti3 splitter): Ditto.
3313         (adddi3 splitter): Ditto with split_di.
3314         (subdi3 splitter): Ditto.
3315         (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
3316         two separate calls with single member arrays.  Swap match_dup
3317         operands 1 and 2 to better fit into the array.
3318         (negdi2 splitter): Ditto with split_di.
3319         (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
3320         two separate calls with single member arrays.  Swap match_dup operands
3321         6 and 7 to better fit into the array.
3322
3323 2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>
3324
3325         * config/i386/i386.c (sse_builtin_type): New.
3326         (bdesc_sse_args): Likewise.
3327         (bdesc_sse_3arg): Removed.
3328         (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
3329         (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
3330         IX86_BUILTIN_ROUNDPS.
3331         (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
3332         bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
3333         IX86_BUILTIN_ROUNDPS.
3334         (ix86_expand_sse_4_operands_builtin): Removed.
3335         (ix86_expand_sse_operands_builtin): New.
3336         (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
3337         and CODE_FOR_sse4_1_roundps.
3338         (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
3339         Handle bdesc_sse_args.  Remove bdesc_sse_3arg.
3340
3341 2008-04-17  Alan Modra  <amodra@bigpond.net.au>
3342
3343         PR target/35907
3344         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
3345         regs before frame pop when needed.  If use_backchain_to_restore_sp
3346         then load backchain into a temp reg to restore vr and vrsave.  Add
3347         code to restore vr after frame pop if possible.
3348
3349 2008-04-17  Richard Guenther  <rguenther@suse.de>
3350
3351         * tree-vn.c (expressions_equal_p): Do not check type
3352         equality or compatibility before calling operand_equal_p.
3353         * fold-const.c (operand_equal_p): Check equivalence of
3354         integer constants before bailing out due to signedness or
3355         precision differences.
3356         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
3357         spurious differences in type qualification.  Ignore types
3358         for COMPONENT_REFs at all.
3359
3360 2008-04-17  Christian Bruel  <christian.bruel@st.com>
3361
3362         * config/sh/sh.c (expand_cbranchdi4): Use original operands for
3363         msw_skip comparison.
3364
3365 2008-04-16  Jakub Jelinek  <jakub@redhat.com>
3366
3367         PR c/35739
3368         * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
3369         reg type.
3370
3371         PR tree-optimization/35899
3372         * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
3373         rather than TREE_OPERAND.
3374
3375 2008-04-16  Uros Bizjak  <ubizjak@gmail.com>
3376
3377         PR target/35944
3378         * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
3379         temporary registers.  Change operand predicate to general_operand.
3380         (remainderxf3): Ditto.
3381
3382 2008-04-16  Richard Guenther  <rguenther@suse.de>
3383
3384         * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
3385         * tree-affine.c (aff_combination_expand): Look through some
3386         conversions.
3387
3388 2008-04-15  Doug Kwan  <dougkwan@google.com>
3389
3390         * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
3391         for hex printing.
3392         * tree-pretty-print.c (dump_generic_node): Ditto.
3393         * final.c (output_addr_const): Ditto.
3394         * dwarf2out.c (output_cfi): Ditto.
3395         * c-pretty-print.c (pp_c_integer_constant): Ditto.
3396         * print-rtl.c (print_rtx): Ditto.
3397         * print-tree.c (print_node_brief, print_node): Ditto.
3398         * c-common.c (match_case_to_enum_1): Ditto.
3399         * sched-vis.c (print_value): Ditto.
3400         * config/i386/i386.c (print_operand): Cast to long unsigned int
3401         for hex printing.
3402
3403 2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
3404         * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
3405         MS Windows VirtualProtect function.
3406
3407 2008-04-15  Jan Hubicka  <jh@suse.cz>
3408
3409         * gengtype.c (write_root): Param_is argument is OK.
3410         * expr.c (expand_expr_real_1): Update call of get_exception_*.
3411         * function.h: Include varray.h
3412         (rtl_eh): New stucture based on except.c one.
3413         (call_site_record): New forward declaration and vector type.
3414         * calls.c (emit_call_1): Do not call
3415         note_current_region_may_contain_throw.
3416         * except.c (eh_status): Remove cur_region, try_region since they are
3417         unused.
3418         Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
3419         exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
3420         sjlj_fc, sjlj_exit_after to rth_eh in function.h.
3421         Remove call_site_data_used, call_site_data_size.
3422         Turn call_site_record into vector in function.h.
3423         (note_current_region_may_contain_throw): Remove.
3424         (get_exception_pointer, get_exception_filter): Do not take struct
3425         function argument; update.
3426         (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
3427         add_ttypes_entry, add_ehspec_entry, assign_filter_values,
3428         build_post_landing_pads, dw2_build_landing_pads,
3429         sjlj_assign_call_site_values, sjlj_mark_call_sites,
3430         sjlj_emit_function_enter, sjlj_emit_function_enter,
3431         sjlj_emit_function_exit, sjlj_emit_dispatch_table,
3432         sjlj_build_landing_pads, finish_eh_generation,
3433         remove_exception_handler_label, remove_eh_handler,
3434         maybe_remove_eh_handler, add_reachable_handler,
3435         reachable_handlers, expand_builtin_eh_return, expand_eh_return,
3436         add_action_record, collect_one_action_chain, add_call_site,
3437         convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
3438         sjlj_output_call_site_table, output_function_exception_table,
3439         * except.h (note_current_region_may_contain_throw): Remove
3440         (get_exception_pointer, get_exception_filter): Do not take struct
3441         function argument.
3442         * Makefile.in (GTFILES): Put varargs before struct function.
3443
3444 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
3445
3446         * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
3447         punt for STRING_CST.
3448         (get_constraint_for): Deal with STRING_CST here instead.
3449
3450 2008-04-15  Richard Guenther  <rguenther@suse.de>
3451
3452         * tree-ssa-propagate.c (substitute_and_fold): Substitute
3453         statements in a basic-block with a backward walk.  Do not
3454         substitute into dead statements but instead remove those.
3455
3456 2008-04-15  Richard Guenther  <rguenther@suse.de>
3457
3458         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
3459         to zero, thus disable creation of SFTs.
3460
3461 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
3462
3463         * tree-predcom.c (suitable_reference_p): Return false if the
3464         reference can throw.
3465
3466 2008-04-15  Jakub Jelinek  <jakub@redhat.com>
3467
3468         PR c/35751
3469         * c-decl.c (finish_decl): If extern or static var has variable
3470         size, set TREE_TYPE (decl) to error_mark_node.
3471
3472 2008-04-15  Rafael Espindola  <espindola@google.com>
3473
3474         * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
3475         variable arg1.
3476
3477 2008-04-15  Richard Guenther  <rguenther@suse.de>
3478
3479         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
3480         * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
3481         (visit_reference_op_load): Do walk vuse-vdef chains on
3482         vn_reference_lookup.
3483         (visit_reference_op_store): But do not here.
3484         * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
3485         vn_reference_lookup.
3486         (vn_lookup_with_vuses): But do so here.
3487
3488 2008-04-14  Ian Lance Taylor  <iant@google.com>
3489
3490         * fold-const.c (fold_overflow_warning): Remove assertion.
3491
3492 2008-04-15  Ben Elliston  <bje@au.ibm.com>
3493
3494         * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
3495         temp1 local variables.
3496
3497 2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>
3498
3499         PR target/35661
3500         * config/i386/winnt.c (i386_pe_section_type_flags): Mark
3501         ".text.unlikely" section as executable.
3502
3503 2008-04-14  James E. Wilson  <wilson@tuliptree.org>
3504
3505         * config/ia64/ia64.c (rtx_needs_barrier): Handle
3506         UNSPEC_FR_SQRT_RECIP_APPROX_RES.
3507         * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
3508         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
3509         divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
3510         divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
3511         divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
3512
3513 2008-04-14  Ian Lance Taylor  <iant@google.com>
3514
3515         * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
3516         * fold-const.c (fold_comparison): If appropriate, test
3517         POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
3518         (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
3519         reassociating a pointer type.
3520         * doc/invoke.texi (Optimize Options): Document that
3521         -fstrict-overflow applies to pointer wraparound.
3522
3523 2008-04-13  Jan Hubicka  <jh@suse.cz>
3524
3525         * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
3526
3527 2008-04-12  Andrew Pinski  <pinskia@gmail.com>
3528
3529         * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
3530         we are going to "save the world".
3531
3532 2008-04-13  Hans-Peter Nilsson  <hp@axis.com>
3533
3534         * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
3535         ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
3536         operand 0 constraint, not "=".
3537
3538 2008-04-11  James E. Wilson  <wilson@tuliptree.org>
3539
3540         * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
3541
3542 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
3543
3544         * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
3545         of size of positions_needed * CHAR_BIT.
3546
3547 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
3548
3549         PR middle-end/35897
3550         * dse.c (store_info): Change positions_needed to unsigned
3551         HOST_WIDE_INT.
3552         (lowpart_bitmask): New.
3553         (record_store): Cast to unsigned HOST_WIDE_INT for
3554         positions_needed.  Assert width <= size of positions_needed *
3555         CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
3556         (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
3557         lowpart_bitmask to set mask.
3558
3559 2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
3560
3561         * config/bfin/constraints.md: New file.
3562         * config/bfin/bfin.md: Include it.
3563         (adddi3): Use satisfies_constraint functions instead of the old macros.
3564         * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
3565         CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
3566         CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
3567         CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
3568         CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
3569         CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
3570         EXTRA_CONSTRAINT): Delete.
3571         * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
3572         reg_or_neg7bit_operand): Use satisfies_constraint functions instead
3573         of the old macros.
3574         * config/bfin/bfin.c: Include "tm-constrs.h".
3575         (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
3576         Use satisfies_constraint functions instead of the old macros.
3577         * doc/md.texi (Blackfin Constraints): Update file name reference.
3578
3579 2008-04-11  Richard Guenther  <rguenther@suse.de>
3580
3581         PR tree-optimization/35869
3582         * tree-vrp.c (execute_vrp): Move switch statement update after
3583         jump threading.  Schedule another cfg cleanup run.
3584
3585 2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>
3586
3587         PR c/35744
3588         * attribs.c (decl_attributes): Return early on errorneous node.
3589
3590 2008-04-10  Oleg Ryjkov  <olegr@google.com>
3591
3592         * tree.h (struct tree_base): Added a new flag default_def_flag.
3593         (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
3594
3595 2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3596
3597         * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
3598
3599 2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3600
3601         PR target/35768
3602         * pa.md: Define mode iterator P.  Define mode attribute dwc.
3603         (dcacheflush): Update pattern to use iterator P and attribute dwc.
3604         (icacheflush): Likewise.
3605         * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
3606         !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
3607
3608 2008-04-11  Ben Elliston  <bje@au.ibm.com>
3609
3610         * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
3611
3612 2008-04-10  Rafael Espindola  <espindola@google.com>
3613
3614         * tree-vrp.c (extract_range_from_binary_expr): Don't handle
3615         TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
3616         (extract_range_from_expr): The same.
3617
3618 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
3619
3620         * config/mips/mips.md (GPR2): New mode iterator.
3621         (seq): Add comment.
3622         (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
3623         *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
3624         *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
3625         Rewrite these to take two modes, the mode of comparison and the
3626         mode of the destination.
3627         * config/mips/mips.c (mips_expand_scc): Instead of having
3628         paradoxical subreg as destination, expand "narrowing" scc if mode
3629         of comparison is SI and target is requested in DI mode.
3630         (mips_emit_int_order_test): Update comment.  Make mode of
3631         comparison match CMP0 rather than TARGET.  When creating inverse
3632         target use mode of TARGET.
3633
3634 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
3635
3636         * gcov-dump.c (tag_summary): Only print summaries for the first
3637         GCOV_COUNTERS_SUMMABLE counters.
3638
3639 2008-04-10  Uros Bizjak  <ubizjak@gmail.com>
3640
3641         * config/i386/i386.md (absneg): New code iterator.
3642         (absnegprefix): New code attribute.
3643         (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
3644         patterns using absneg code iterator.
3645         (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
3646         using absneg code iterator.
3647         (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
3648         *neg<mode>2 patterns using absneg code iterator.
3649         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
3650         *negextendsfdf2 patterns using absneg code iterator.
3651         (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
3652         *negextendsfxf2 patterns using absneg code iterator.
3653         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
3654         *negextendsfdf2 patterns using absneg code iterator.
3655         * config/i386/sse.md (<code><mode>2): Macroize expander from
3656         abs<mode>2 and neg<mode>2 patterns using absneg code iterator.
3657
3658 2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>
3659
3660         * config/s390/s390.h: Remove the remains of the recent search
3661         & replace action of current_function_outgoing_args_size.
3662
3663 2008-04-10  Ira Rosen  <irar@il.ibm.com>
3664
3665         PR tree-optimization/35821
3666         * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
3667         NEW_STMT_LIST is not NULL.
3668
3669 2008-04-09  David Edelsohn  <edelsohn@gnu.org>
3670
3671         PR libstdc++/35597
3672         * toplev.c (process_options): Remove -ffunction-sections debugging
3673         warning.
3674
3675 2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>
3676
3677         PR middle-end/PR28690
3678         * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
3679         than gen_rtx_fmt_ee to perform more canonicalizations.
3680
3681 2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3682
3683         PR driver/35665
3684         * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
3685
3686 2008-04-09  Richard Guenther  <rguenther@suse.de>
3687
3688         * tree-cfg.c (verify_stmt): Print complete bogus stmt.
3689         (dump_function_to_file): Dump function arguments with types.
3690
3691 2008-04-08  Richard Guenther  <rguenther@suse.de>
3692
3693         * fold-const.c (fold_widened_comparison): Do not allow
3694         sign-changes that change the result.
3695
3696 2008-04-08  Janis Johnson  <janis187@us.ibm.com>
3697
3698         PR target/35839
3699         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
3700         kinds of indirect references.
3701
3702 2008-04-08  David Edelsohn  <edelsohn@gnu.org>
3703
3704         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
3705         GNU Fortran language string.
3706
3707 2008-04-08  Rafael Espindola  <espindola@google.com>
3708
3709         * fold-canst.c (tree_call_nonnegative_warnv_p): New.
3710         (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
3711         * tree.h (tree_call_nonnegative_warnv_p): New.
3712
3713 2008-04-08  Jan Hubicka  <jh@suse.cz>
3714
3715         * function.c (free_after_compilation): Clear out regno_reg_rtx
3716         pointer.
3717
3718 2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>
3719
3720         Revert
3721         2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
3722
3723         PR middle-end/PR28690
3724         * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
3725         same precedence as REG_POINTER and MEM_POINTER operands.
3726
3727 2008-04-08  Richard Guenther  <rguenther@suse.de>
3728
3729         PR middle-end/35834
3730         * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
3731         for adding index to base.
3732
3733 2008-04-08  Kai Tietz  <kai.tietz@onevision.com>
3734
3735         * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
3736         (MINGW_ENABLE_EXECUTE_STACK): New.
3737         (IN_LIBGCC2): For libgcc include windows.h file for
3738         function declarations.
3739
3740 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
3741
3742         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
3743         and tem2 if tem1 is not a REG or MULT.
3744
3745 2008-04-08  Jan Hubicka  <jh@suse.cz>
3746
3747         * function.h (incomming_args): Break out of struct function.
3748         (function_subsections): Break out of struct function.
3749         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
3750         return_rtx and hard_reg_initial_vals from struct function.
3751         Kill inl_max_label_num.
3752         (current_function_pops_args, current_function_args_info,
3753         current_function_args_size, current_function_args_size,
3754         current_function_pretend_args_size,
3755         current_function_outgoing_args_size,
3756         current_function_internal_arg_pointer, current_function_return_rtx):
3757         Kill compatibility accestor macros.
3758         * builtins.c (expand_builtin_apply_args_1): Update.
3759         (expand_builtin_next_arg): Update.
3760         * df-scan.c (df_get_call_refs): Update.
3761         * dbxout.c (dbxout_function_end): Update.
3762         * dwarf2out.c (dwarf2out_switch_text_section): Update.
3763         (output_line_info): Update.
3764         (secname_for_decl): Update.
3765         (dwarf2out_var_location): Update.
3766         * function.c (free_after_compilation): Update.
3767         (assign_parm_find_stack_rtl): Update.
3768         (assign_parms): Update.
3769         (expand_dummy_function_end): Update.
3770         (expand_function_end): Update.
3771         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
3772         (expand_call): Update.
3773         (emit_library_call_value_1): Update.
3774         (store_one_arg): Update.
3775         * varasm.c (initialize_cold_section_name): Update.
3776         (unlikely_text_section): Update.
3777         (unlikely_text_section_p): Update.
3778         (assemble_start_function): Update.
3779         (assemble_end_function): Update.
3780         (default_section_type_flags): Update.
3781         (switch_to_section): Update.
3782         * integrate.c (set_decl_abstract_flags): Update.
3783         (get_hard_reg_initial_val): Update.
3784         (has_hard_reg_initial_val): Update.
3785         (allocate_initial_values): Update.
3786         * resource.c (init_resource_info): Update.
3787         * config/alpha/alpha.c (NUM_ARGS): Update.
3788         (direct_return): Update.
3789         (alpha_va_start): Update.
3790         (alpha_sa_size): Update.
3791         (alpha_initial_elimination_offset): Update.
3792         (alpha_expand_prologue): Update.
3793         (alpha_start_function): Update.
3794         (alpha_expand_epilogue): Update.
3795         (unicosmk_initial_elimination_offset):
3796         * config/alpha/alpha.md (call expander): Update.
3797         * config/s390/s390.c (s390_register_info): Update.
3798         (s390_register_info): Update.
3799         (s390_frame_info): Update.
3800         (s390_initial_elimination_offset): Update.
3801         (s390_build_builtin_va_list): Update.
3802         (s390_va_start): Update.
3803         * config/spu/spu.c (direct_return): Update.
3804         (spu_expand_prologue): Update.
3805         (spu_initial_elimination_offset): Update.
3806         (spu_build_builtin_va_list): Update.
3807         (spu_va_start): Update.
3808         * config/sparc/sparc.c (sparc_init_modes): Update.
3809         (sparc_compute_frame_size): Update.
3810         (function_value): Update.
3811         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
3812         * config/i386/i386.md (return expander): Update.
3813         * config/i386/i386.c (ix86_va_start): Update.
3814         (ix86_can_use_return_insn_p): Update.
3815         (ix86_compute_frame_layout): Update.
3816         (ix86_expand_epilogue): Update.
3817         * config/sh/sh.c (output_stack_adjust): Update.
3818         (calc_live_regs): Update.
3819         (sh_expand_prologue): Update.
3820         (sh_builtin_saveregs): Update.
3821         (sh_va_start): Update.
3822         (initial_elimination_offset): Update.
3823         (sh_allocate_initial_value): Update.
3824         (sh_function_ok_for_sibcall): Update.
3825         (sh_get_pr_initial_val): Update.
3826         * config/sh/sh.md (return expander): Update.
3827         * config/avr/avr.c (frame_pointer_required_p): UPdate.
3828         * config/crx/crx.c (crx_compute_frame): UPdate.
3829         (crx_initial_elimination_offset): UPdate.
3830         * config/xtensa/xtensa.c (compute_frame_size): Update
3831         (xtensa_builtin_saveregs): Update.
3832         (xtensa_va_start): Update.
3833         (order_regs_for_local_alloc): Update.
3834         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
3835         (xstormy16_expand_builtin_va_start): Update.
3836         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
3837         * config/m68hc11/m68hc11.md (return expanders): Update.
3838         * config/m68hc11/m68hc11.c (expand_prologue): Update.
3839         (expand_epilogue): Update.
3840         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
3841         (cris_simple_epilogue): Update.
3842         (cris_expand_prologue): Update.
3843         (cris_expand_epilogue): Update.
3844         * config/iq2000/iq2000.c (iq2000_va_start): Update.
3845         (compute_frame_size): Update.
3846         * config/mt/mt.c (mt_compute_frame_size): Update.
3847         * config/mn10300/mn10300.c (expand_prologue): Update.
3848         (expand_epilogue): Update.
3849         (initial_offset): Update.
3850         (mn10300_builtin_saveregs):
3851         * config/mn10300/mn10300.md (return expander): Update.
3852         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
3853         (ia64_initial_elimination_offset): Update.
3854         (ia64_initial_elimination_offset): Update.
3855         (ia64_expand_prologue): Update.
3856         * config/m68k/m68k.md (return expander): Update.
3857         * config/rs6000/rs6000.c (rs6000_va_start): Update.
3858         (rs6000_stack_info): Update.
3859         * config/mcore/mcore.c (layout_mcore_frame): Update.
3860         (mcore_expand_prolog): Update.
3861         * config/arc/arc.c (arc_compute_frame_size): Update.
3862         * config/score/score3.c (score3_compute_frame_size): Update.
3863         * config/score/score7.c (score7_compute_frame_size): Update.
3864         * config/arm/arm.c (use_return_insn): Update.
3865         (thumb_find_work_register): Update.
3866         (arm_compute_save_reg_mask): Update.
3867         (arm_output_function_prologue): Update.
3868         (arm_output_epilogue): Update.
3869         (arm_size_return_regs): Update.
3870         (arm_get_frame_offsets): Update.
3871         (arm_expand_prologue): Update.
3872         (thumb_exit): Update.
3873         (thumb_unexpanded_epilogue): Update.
3874         (thumb1_output_function_prologue): Update.
3875         * config/pa/pa.md (return expander): Update.
3876         * config/pa/pa.c (compute_frame_size): Update.
3877         (hppa_builtin_saveregs): Update.
3878         * config/mips/mips.c (mips_va_start): Update.
3879         (mips16_build_function_stub): Update.
3880         (mips_compute_frame_info): Update.
3881         (mips_restore_gp): Update.
3882         (mips_output_function_prologue): Update.
3883         (mips_expand_prologue): Update.
3884         * config/v850/v850.c (compute_frame_size): Update.
3885         (expand_prologue): * config/mmix/mmix.c (along): update.
3886         (mmix_initial_elimination_offset): update.
3887         (mmix_reorg): update.
3888         (mmix_use_simple_return): update.
3889         (mmix_expand_prologue): update.
3890         (mmix_expand_epilogue): Update.
3891         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
3892         (emit_link_insn): Update.
3893
3894 2008-04-08  Anatoly Sokolov <aesok@post.ru>
3895
3896         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define
3897         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL
3898         instructions.
3899         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for
3900         atmega103 device.
3901
3902 2008-04-07  Jan Hubicka  <jh@suse.cz>
3903
3904         * function.h (rtl): Rename to x_rtl.
3905         (crtl): New define.
3906         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
3907         frame_offset, stack_check_probe_note, arg_pointer_save_area,
3908         used_temp_slots avail_temp_slots, temp_slot_level,
3909         nonlocal_goto_handler_labels): Update accesstors.
3910         (rtl): New global variable.
3911         (struct function): Move some fileds to rtl_data.
3912         (get_arg_pointer_save_area): Update prototype.
3913         * builtins.c (expand_builtin_setjmp_receiver): Update call of
3914         get_arg_pointer_save_area.
3915         * expr.c (init_expr): Update
3916         * function.c (get_frame_size): Update
3917         (assign_stack_local): Update
3918         (expand_function_end): Update.
3919         (get_art_pointer_save_area): Update
3920         * function.h
3921         * emit-rtl.c (rtl): Declare.
3922         (regno_reg_rtx): Declare.
3923         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
3924         Update.
3925         (gen_reg_rtx): Update.
3926         * varasm.c (n_deferred_constatns): Update accestor.
3927         (init_varasm_status): Do not allocate varasm_status.
3928         (force_const_mem, get_pool_size, output_constant_pool): Update.
3929         * stmt.c (force_label_rtx): Do not use x_ prefixes.
3930         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
3931         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
3932         * sparc/sparc.h (INIT_EXPANDERS): Update.
3933         * ia64/ia64.h (INIT_EXPANDERS): Update.
3934
3935 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
3936
3937         * reload.c (push_secondary_reload): Add missing break to for loop.
3938
3939 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
3940
3941         PR middle-end/PR28690
3942         * rtlanal.c: Update copyright years.
3943         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
3944         as REG_POINTER and MEM_POINTER operands.
3945         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
3946         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
3947         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
3948         * gcse.c: Update copyright years.
3949         (pre_delete): Call gen_reg_rtx_and_attrs.
3950         (hoist_code): Likewise.
3951         (build_store_vectors): Likewise.
3952         (delete_store): Likewise.
3953         * loop-invariant.c (move_invariant_reg): Likewise.
3954         Update copyright years.
3955
3956 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
3957
3958         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
3959         control string instead of quoted.
3960
3961 2008-04-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
3962
3963         * doc/rtl.texi: Rewrite of subreg section.
3964
3965 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
3966
3967         PR/35842
3968         * config/i386/i386.c (legitimize_pic_address): Add treating
3969         of dllimport SYM_REF's.
3970         (legitimize_dllimport_symbol): Add prototype.
3971
3972 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
3973
3974         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
3975         reference in constructor with non self-referential type.
3976
3977 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
3978
3979         Removal of Return with Depressed Stack Pointer support
3980         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
3981         (ECF_SP_DEPRESSED): Likewise.
3982         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
3983         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
3984         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
3985         (expand_call): Do not test ECF_SP_DEPRESSED.
3986         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
3987         * function.c (keep_stack_depressed): Delete.
3988         (handle_epilogue_set): Likewise.
3989         (update_epilogue_consts): Likewise.
3990         (emit_equiv_load): Likewise.
3991         (thread_prologue_and_epilogue_insns): Remove support for Return with
3992         Depressed Stack Pointer.
3993         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
3994
3995 2008-04-06  Richard Guenther  <rguenther@suse.de>
3996
3997         PR tree-optimization/35400
3998         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
3999         information from SSA_NAMEs.
4000
4001 2008-04-06  Anatoly Sokolov <aesok@post.ru>
4002
4003         * config/avr/avr.h (avr_mega_p): Remove declaration.
4004         (AVR_MEGA): Remove macro.
4005         * config/avr/avr.c (avr_mega_p): Remove variable.
4006         (avr_override_options): Remove inicializion of avr_mega_p.
4007         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
4008         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
4009         (avr_jump_mode): (Ditto.).
4010         (avr_output_progmem_section_asm_op): (Ditto.).
4011         (avr_asm_init_sections): (Ditto.).
4012         (avr_asm_init_sections): (Ditto.).
4013         (avr_rtx_costs): (Ditto.).
4014         * config/avr/avr.md: (Ditto.).
4015         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of
4016         '__AVR_MEGA__'.
4017
4018 2008-04-06  Richard Guenther  <rguenther@suse.de>
4019
4020         PR tree-optimization/35842
4021         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
4022         is_gimple_invariant_address.
4023
4024 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
4025
4026         * gcc.c (default_compilers): Sync Fortran extensions list with
4027         that in fortran/lang-specs.h.
4028         * doc/invoke.texi: Likewise.
4029         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
4030         * dwarf2out.c (gen_compile_unit_die): Likewise.
4031
4032 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
4033
4034         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
4035
4036 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
4037
4038         PR target/12329
4039         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
4040         attribute is used for nested functions.
4041
4042 2008-04-05  Jan Hubicka  <jh@suse.cz>
4043
4044         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
4045
4046         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
4047         letter argument.
4048         (dump_files): Update.
4049         (enable_rtl_dump_file): Do not accept letter argument.
4050         * tree-pass.h (dump_file_info): Remove letter argument.
4051         * toplev.c (decode_d_option): Update -da handling.
4052         * toplev.h (enable_rtl_dump_file): Update prototype.
4053         * passes.c (register_one_dump_file): Do not accept IPA argument; work
4054         it out based on pass type.
4055         (register_dump_files_1): Likewise.
4056         (init_optimization_passes): Update register_one_dump_file calls.
4057         (execute_one_pass): Sanity check that IPA passes are called at IPA
4058         level and RTL passes at RTL level.
4059         (execute_pass_list): IPA pass can not be after or subpass of
4060         GIMPLE/RTL pass.
4061         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
4062         disallov RTL subpasses of IPA subpasses.
4063
4064 2008-04-05  Ben Elliston  <bje@au.ibm.com>
4065
4066         * tree-cfg.c (need_fake_edge_p): Return false for calls to
4067         builtins that return exactly once and do not throw. Cache call to
4068         call_expr_flags.
4069
4070 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
4071
4072         PR rtl-optimization/34916
4073         PR middle-end/35519
4074         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
4075         between instruction pairs.
4076
4077 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
4078
4079         * doc/invoke.texi: Document -mbitops for SH.
4080         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
4081         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
4082         * config/sh/sh.c (print_operand): Add %t operand code.
4083         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
4084         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
4085         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
4086         (extendqihi2): Likewise.
4087         (movqi_i): Likewise.
4088         (insv): Use bset, bclr and bst instructions for SH2A if possible.
4089         (extv): Use bld instruction for SH2A if possible.
4090         (extzv): Likewise.
4091         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
4092         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
4093         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
4094         (bset.b, bclr.b): Define peepholes.
4095         * config/sh/sh.opt (mbitops): New option.
4096
4097 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
4098
4099         PR target/35620
4100         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
4101         and view convert expression.
4102
4103 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
4104
4105         PR target/35364
4106         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
4107
4108 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
4109
4110         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
4111
4112         * config/i386/cpuid.h (bit_AES): New.
4113         (bit_PCLMUL): Likewise.
4114
4115         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
4116         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
4117         SSE2 if AES or PCLMUL is enabled.
4118         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
4119         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
4120         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
4121         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
4122         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
4123         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
4124         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
4125         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
4126         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
4127         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
4128         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
4129         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
4130         __builtin_ia32_aeskeygenassist128 and
4131         __builtin_ia32_pclmulqdq128.
4132         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
4133         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
4134         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
4135
4136         * config/i386/i386.h (TARGET_AES): New.
4137         (TARGET_PCLMUL): Likewise.
4138         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
4139
4140         * config/i386/i386.md (UNSPEC_AESENC): New.
4141         (UNSPEC_AESENCLAST): Likewise.
4142         (UNSPEC_AESDEC): Likewise.
4143         (UNSPEC_AESDECLAST): Likewise.
4144         (UNSPEC_AESIMC): Likewise.
4145         (UNSPEC_AESKEYGENASSIST): Likewise.
4146         (UNSPEC_PCLMUL): Likewise.
4147
4148         * config/i386/i386.opt (maes): New.
4149         (mpclmul): Likewise.
4150
4151         * config/i386/sse.md (aesenc): New pattern.
4152         (aesenclast): Likewise.
4153         (aesdec): Likewise.
4154         (aesdeclast): Likewise.
4155         (aesimc): Likewise.
4156         (aeskeygenassist): Likewise.
4157         (pclmulqdq): Likewise.
4158
4159         * config/i386/wmmintrin.h: New.
4160
4161         * doc/extend.texi: Document AES and PCLMUL built-in function.
4162
4163         * doc/invoke.texi: Document -maes and -mpclmul.
4164
4165 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
4166
4167         * function.c (free_after_parsing): Replace with
4168         cxx_push_function_context from C++ front-end.
4169         (allocate_struct_function): Don't call langhook.
4170         * langhooks.h (struct lang_hooks_for_functions): Delete.
4171         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
4172         member "function".
4173         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
4174         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
4175         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
4176         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
4177         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
4178         remove LANG_HOOKS_FUNCTION_INITIALIZER.
4179         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
4180
4181         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
4182         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
4183
4184 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
4185
4186         PR c/35440
4187         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
4188         for all types.
4189
4190 2008-04-04  Richard Guenther  <rguenther@suse.de>
4191
4192         PR middle-end/35823
4193         * fold-const.c (optimize_minmax_comparison): Use the correct
4194         type for the constant in the simplified comparison.
4195
4196 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
4197
4198         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
4199         Pass L2 size as "--param l2-cache-size" to the compiler.
4200         (decode_l2_cache): New function to decode L2 cache parameters using
4201         0x8000006 extended cpuid function.
4202         (detect_caches_amd): Determine parameters of L2 cache using
4203         decode_l2_caches function.
4204         (decode_caches_intel): Decode L2 cache parameters.
4205         (detect_caches_intel): Determine L2 cache parameters using
4206         decode_caches_intel and decode_l2_caches functions.
4207
4208 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
4209
4210         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
4211         secondary input reload for subword loads from the constant pool.
4212
4213 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
4214
4215         PR target/35713
4216         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
4217           constants of the appropriate size for runtime calculations.
4218
4219         PR c/35712
4220         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
4221           decimal-float literal constant zero.
4222
4223 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
4224
4225         PR c/35738
4226         * c-parser.c (c_parser_omp_atomic): Call
4227         default_function_array_conversion on the RHS.
4228
4229         PR middle-end/35818
4230         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
4231         call is_variable_sized if decl has incomplete type.
4232
4233 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
4234
4235         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
4236
4237 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
4238
4239         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
4240         iterators.
4241         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
4242         (sgt<u>): Merge sgt and sgtu into new expander.
4243         (sgt, sgtu): Remove expanders.
4244         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
4245         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
4246         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
4247         *sgtu_<mode>_mips16 into new pattern.
4248         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
4249         (sge<u>): Merge sge and sgeu into new expander.
4250         (sge, sgeu): Remove expanders.
4251         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
4252         new pattern.
4253         (*sge_<mode>, second *sge_<mode>): Remove patterns.
4254         (slt<u>): Merge slt and sltu into new expander.
4255         (slt, sltu): Remove expanders.
4256         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
4257         (*slt_<mode>, *sltu_<mode>): Remove patterns.
4258         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
4259         *sltu_<mode>_mips16 into new pattern.
4260         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
4261         (sle<u>): Merge sle and sleu into new expander.
4262         (sle, sleu): Remove expanders.
4263         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
4264         (*sle_<mode>, *sleu_<mode>): Remove patterns.
4265         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
4266         *sleu_<mode>_mips16 into new pattern.
4267         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
4268
4269 2008-04-03  Jan Hubicka  <jh@suse.cz>
4270
4271         PR tree-optimization/35795
4272         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
4273         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
4274         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
4275         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
4276         * score/score3.c (score3_output_mi_thunk): Likewise.
4277         * score/score7.c (score7_output_mi_thunk): Likewise.
4278         * mips/mips.c (mips_output_mi_thunk): Likewise.
4279
4280 2008-04-03  Richard Guenther  <rguenther@suse.de>
4281
4282         * tree-vrp.c (extract_range_from_unary_expr): Handle all
4283         conversions.  Simplify code.
4284
4285 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
4286
4287         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
4288
4289 2008-04-03  Tom Tromey  <tromey@redhat.com>
4290             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4291
4292         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
4293         * config/bfin/t-bfin-linux (generated_files): Add
4294         linux-sysroot-suffix.h.
4295         * doc/install.texi (Prerequisites): Require make 3.80.
4296         * doc/sourcebuild.texi (Front End Directory): Document new
4297         variable.
4298         * Makefile.in (generated_files): New variable.
4299         (ALL_HOST_OBJS): New variable.
4300         ($(ALL_HOST_OBJS)): New target.
4301
4302 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
4303
4304         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
4305         (remap_block): Call id->transform_lang_insert_block instead
4306         of langhook.
4307         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
4308         Set id.transform_lang_insert_block to NULL.
4309         (clone_body): Move to cp/optimize.c
4310         * tree-inline.h (struct copy_body_data): Change
4311         transform_lang_insert_block to function pointer.
4312         (copy_generic_body, copy_decl_no_change): Export.
4313         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
4314         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
4315         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
4316
4317         * c-tree.h (insert_block): Kill.
4318         * c-decl.c (insert_block): Kill.
4319
4320 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
4321
4322         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
4323         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
4324         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
4325         argument.
4326         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
4327         argument, call {push,pop}_function_context from here.
4328         * c-parser.c: Use c_{push,pop}_function_context.
4329
4330         * function.c (push_function_context_to): Move meat ...
4331         (push_function_context): ... here.  Simplify.
4332         * function.c (pop_function_context_from): Move meat ...
4333         (pop_function_context): ... here.  Simplify.
4334         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
4335         leave_nested).
4336         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
4337         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
4338         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
4339         * tree.h (push_function_context_to, pop_function_context_from): Remove.
4340
4341 2008-04-03  Ben Elliston  <bje@au.ibm.com>
4342
4343         * expmed.c (extract_force_align_mem_bit_field): Remove.
4344
4345 2008-04-03  Richard Guenther  <rguenther@suse.de>
4346
4347         PR middle-end/35800
4348         * expr.h (try_casesi): Adjust prototype.
4349         * expr.c (try_casesi): Take fallback label as extra parameter.
4350         Use that for gen_casesi if default_label is NULL.
4351         * stmt.c (expand_case): Pass fallback label to try_casesi,
4352         make sure to fill gaps with a fallback label if default_label
4353         is not present.
4354
4355 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
4356
4357         PR target/35801
4358         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
4359
4360 2008-04-03  Ben Elliston  <bje@au.ibm.com>
4361
4362         * expmed.c (extract_split_bit_field): Remove if (0) code.
4363         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
4364         (do_ds_constraint): Likewise.
4365
4366 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
4367
4368         * doc/cppopts.texi (-dU): Document.
4369         * c-common.h (flag_dump_macros): Update comment.
4370         * c-opts.c (handle_OPT_d): Handle -dU.
4371         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
4372         dump_queued_macros, cb_used_define, cb_used_undef): New.
4373         (init_pp_output): Handle -dU.
4374         (cb_line_change): Call dump_queued_macros.
4375         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
4376
4377 2008-04-02  Anatoly Sokolov <aesok@post.ru>
4378
4379         * config/avr/predicates.md (io_address_operand): New predicate.
4380         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
4381         * config/avr/avr.c (avr_io_address_p): Remove function.
4382         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of
4383         'avr_io_address_p' function.
4384         (out_movhi_r_mr): (Ditto.).
4385         (out_movqi_mr_r): (Ditto.).
4386         (out_movhi_mr_r): (Ditto.).
4387         (avr_address_cost): (Ditto.).
4388
4389 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
4390
4391         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
4392         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
4393         in 32bit mode when XMM registers are available to avoid store
4394         forwarding stalls.
4395         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
4396         corresponding post-reload splitters.
4397
4398 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
4399
4400         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
4401         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
4402         __builtin_ia32_roundss.
4403         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
4404         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
4405         __builtin_ia32_roundss.
4406         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
4407         IX86_BUILTIN_SHUFPD here.
4408
4409 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
4410
4411         * config/i386/i386.md (plogic): New.
4412         (plogicprefix): Likewise.
4413
4414         * config/i386/mmx.md (mmx_<code><mode>3): New.
4415         (mmx_and<mode>3): Removed.
4416         (mmx_ior<mode>3): Likewise.
4417         (mmx_xor<mode>3): Likewise.
4418
4419         * config/i386/sse.md (<code><mode>3): New.
4420         (*<code><mode>3): Likewise.
4421         (*<code><mode>3): Likewise.
4422         (<code><mode>3): Likewise.
4423         (*sse_<code><mode>3): Likewise.
4424         (*sse2_<code><mode>3): Likewise.
4425         (<code>tf3): Likewise.
4426         (*<code>tf3): Likewise.
4427         (and<mode>3): Likewise.
4428         (*and<mode>3): Likewise.
4429         (ior<mode>3): Removed.
4430         (*ior<mode>3): Likewise.
4431         (xor<mode>3): Likewise.
4432         (*xor<mode>3): Likewise.
4433         (*and<mode>3): Likewise.
4434         (*ior<mode>3): Likewise.
4435         (*xor<mode>3): Likewise.
4436         (and<mode>3): Likewise.
4437         (*sse_and<mode>3): Likewise.
4438         (*sse2_and<mode>3): Likewise.
4439         (andtf3): Likewise.
4440         (*andtf3): Likewise.
4441         (ior<mode>3): Likewise.
4442         (*sse_ior<mode>3): Likewise.
4443         (*sse2_ior<mode>3): Likewise.
4444         (iortf3): Likewise.
4445         (*iortf3): Likewise.
4446         (xor<mode>3): Likewise.
4447         (*sse_xor<mode>3): Likewise.
4448         (*sse2_xor<mode>3): Likewise.
4449         (xortf3): Likewise.
4450         (*xortf3): Likewise.
4451
4452 2008-04-02  Richard Guenther  <rguenther@suse.de>
4453
4454         PR tree-optimization/14495
4455         PR tree-optimization/34793
4456         * tree-vrp.c (struct switch_update): New structure.
4457         (to_remove_edges, to_update_switch_stmts): New VECs.
4458         (simplify_switch_using_ranges): New function.  Remove not taken
4459         case labels and edges.
4460         (simplify_stmt_using_ranges): Call it.
4461         (identify_jump_threads): Mark edges we have queued for removal
4462         so we don't thread them.
4463         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
4464         case label vector.
4465         * tree-cfg.c (group_case_labels): Deal with missing default label.
4466         (tree_verify_flow_info): Allow missing default label.
4467         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
4468         (emit_case_nodes): Likewise.
4469         (expand_case): Do not rely on the default label to be present.
4470         * expr.c (try_casesi): Deal with NULL default_label.
4471         (do_tablejump): Likewise.
4472
4473 2008-04-02  Richard Guenther  <rguenther@suse.de>
4474
4475         PR tree-optimization/14495
4476         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
4477         SWITCH_EXPR here ...
4478         (vrp_visit_switch_stmt): ... but here (new function).
4479         (find_case_label_index): New helper function.
4480         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
4481
4482 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
4483
4484         * fwprop.c: Fix ISO-C99ism.
4485
4486 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
4487
4488         PR bootstrap/35752
4489         * Makefile.in (objdir): Set it here.
4490         * configure.ac: Not here.  Find dynamic linker characteristics.
4491         * exec-tool.in: Use them.
4492         * aclocal.m4: Regenerate.
4493         * configure: Regenerate.
4494
4495 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
4496
4497         * expr.c (expand_var): Delete it.
4498         * expr.h (expand_var): Delete prototype.
4499         * function.c (expand_function_start): Use expand_decl instead.
4500         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
4501         langhook.
4502
4503 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
4504
4505         PR rtl-optimization/35542
4506         * fwprop.c (forward_propagate_and_simplify): Replace
4507         loc_reg_mentioned_in_p with reg_mentioned_p.
4508
4509 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
4510
4511         PR rtl-optimization/35281
4512         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
4513         (propagate_rtx_1): Handle PR_HANDLE_MEM.
4514         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
4515         (varying_mem_p): Move above propagate_rtx.
4516         (all_uses_available_at): Do not check MEMs.
4517
4518 2008-04-02  Rafael Espindola  <espindola@google.com>
4519
4520         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
4521         (register_edge_assert_for_2): Split the cond argument.
4522         (register_edge_assert_for_1): Adjust for the change in
4523         register_edge_assert_for_2.
4524         (register_edge_assert_for): Split the cond argument.
4525         (find_switch_asserts): Adjust for the change in
4526         register_edge_assert_for.
4527
4528 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
4529
4530         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
4531         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
4532         offsets for 64-bit mingw.
4533         * config/i386/i386.c (ix86_pass_by_reference): Correct calling
4534         abi for x86_64-pc-mingw.
4535
4536 2008-04-02  Richard Guenther  <rguenther@suse.de>
4537
4538         * tree-vrp.c (extract_range_from_assert): Make sure to not
4539         produce range min/max with TREE_OVERFOW set.
4540         If merging a anti-range and a range keep the anti-range if
4541         the range covers all values of the type.
4542         (register_edge_assert_for_2): Only allow sign-changing
4543         conversions in detecting canonical range checks.  Also
4544         register an assert for the unsigned name if useful.
4545
4546         PR tree-optimization/35787
4547         * tree-vrp.c (vrp_val_max): New function.
4548         (vrp_val_min): Likewise.
4549         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
4550         (vrp_val_is_min): Likewise.
4551         (supports_overflow_infinity): Use vrp_val_{min,max}.
4552         (negative_overflow_infinity): Likewise.
4553         (positive_overflow_infinity): Likewise.
4554         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
4555         (is_positive_overflow_infinity): Likewise.
4556         (is_overflow_infinity): Likewise.
4557         (avoid_overflow_infinity): Use vrp_val_{min,max} and
4558         vrp_val_is_{min,max}.
4559         (set_and_canonicalize_value_range): Canonicalize anti-ranges
4560         to ranges if possible.  Avoid empty ranges.
4561
4562 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4563
4564         PR middle-end/35705
4565         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
4566         the expression is a function address.
4567
4568 2008-04-01  George Helffrich  <george@gcc.gnu.org>
4569
4570         PR fortran/35154, fortran/23057
4571         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
4572         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
4573         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
4574         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
4575         in common.
4576         (dbxout_syms): Check for COMMON-based symbol and wrap in
4577         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
4578         in bracket for efficiency.
4579
4580         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
4581         using DW_TAG_common_block + member offset.
4582         (add_pubname_string): New function.
4583         (dw_expand_expr): New function to find block name and offset for
4584         COMMON var.
4585         (common_check): New function to check whether symbol in Fortran COMMON.
4586         (gen_variable_die): If COMMON, use DW_TAG_common_block.
4587
4588 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
4589
4590         PR c/35436
4591         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
4592
4593 2008-04-02  Ben Elliston  <bje@au.ibm.com>
4594
4595         * config/v850/v850.md (casesi): Remove if (0) code.
4596         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
4597         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
4598
4599 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
4600
4601         * config/i386/i386.md (rex64suffix): New mode attribute.
4602         (floathi<mode>2): Disable expander for SSE math.
4603         (*floathi<mode>2_1): New insn insn_and_split pattern.
4604         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
4605         corresponding post-reload splitters.
4606         (*floathi<mode>2_i387): New macroized insn pattern.
4607         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
4608         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
4609         insn_and_split pattern.
4610         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
4611         New macroized instruction patterns and corresponding post-reload
4612         splitters.
4613         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
4614         and corresponding post-reload splitters.
4615         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
4616         New macroized instruction patterns.
4617         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
4618         macroized instruction patterns and corresponding post-reload splitters.
4619         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
4620         corresponding post-reload splitters.
4621         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
4622         New macroized instruction patterns.
4623         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
4624         corresponding post-reload splitters.
4625         (*floatsi<mode>2_i387): New macroized instruction patterns.
4626
4627 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
4628
4629         * config/i386/i386.md (smaxmin): New.
4630         (umaxmin): Likewise.
4631         (maxminiprefix): Likewise.
4632         (maxminfprefix): Likewise.
4633         (<code><mode>3): Likewise.
4634         (smin<mode>3): Removed.
4635         (smax<mode>3): Likewise.
4636
4637         * config/i386/mmx.md (mmx_<code>v2sf3): New.
4638         (mmx_<code>v4hi3): Likewise.
4639         (mmx_<code>v8qi3): Likewise.
4640         (mmx_smaxv2sf3): Removed.
4641         (mmx_sminv2sf3): Likewise.
4642         (mmx_umaxv8qi3): Likewise.
4643         (mmx_smaxv4hi3): Likewise.
4644         (mmx_uminv8qi3): Likewise.
4645         (mmx_sminv4hi3): Likewise.
4646
4647         * config/i386/sse.md (<addsub><mode>3): New.
4648         (*<addsub><mode>3): Likewise.
4649         (<sse>_vm<addsub><mode>3): Likewise.
4650         (<maxmin><mode>3): Likewise.
4651         (*<maxmin><mode>3_finite): Likewise.
4652         (*<maxmin><mode>3): Likewise.
4653         (<sse>_vm<maxmin><mode>3): Likewise.
4654         (sse3_h<addsub>v4sf3): Likewise.
4655         (sse3_h<addsub>v2df3): Likewise.
4656         (<maxmin>v16qi3): Likewise.
4657         (*<maxmin>v16qi3): Likewise.
4658         (<maxmin>v8hi3): Likewise.
4659         (*<maxmin>v8hi3): Likewise.
4660         (*sse4_1_<maxmin><mode>3): Likewise.
4661         (*sse4_1_<maxmin><mode>3): Likewise.
4662         (add<mode>3): Removed.
4663         (*add<mode>3): Likewise.
4664         (<sse>_vmadd<mode>3): Likewise.
4665         (sub<mode>3): Likewise.
4666         (*sub<mode>3): Likewise.
4667         (<sse>_vmsub<mode>3): Likewise.
4668         (smin<mode>3): Likewise.
4669         (*smin<mode>3_finite): Likewise.
4670         (*smin<mode>3): Likewise.
4671         (<sse>_vmsmin<mode>3): Likewise.
4672         (smax<mode>3): Likewise.
4673         (*smax<mode>3_finite): Likewise.
4674         (*smax<mode>3): Likewise.
4675         (<sse>_vmsmax<mode>3): Likewise.
4676         (sse3_haddv4sf3): Likewise.
4677         (sse3_haddv2df3): Likewise.
4678         (sse3_hsubv4sf3): Likewise.
4679         (sse3_hsubv2df3): Likewise.
4680         (umaxv16qi3): Likewise.
4681         (*umaxv16qi3): Likewise.
4682         (smaxv8hi3): Likewise.
4683         (*smaxv8hi3): Likewise.
4684         (*sse4_1_smax<mode>3): Likewise.
4685         (*sse4_1_umax<mode>3): Likewise.
4686         (uminv16qi3): Likewise.
4687         (*uminv16qi3): Likewise.
4688         (sminv8hi3): Likewise.
4689         (*sminv8hi3): Likewise.
4690         (*sse4_1_smin<mode>3): Likewise.
4691         (*sse4_1_umin<mode>3): Likewise.
4692
4693 2008-04-01  Rafael Espindola  <espindola@google.com>
4694
4695         * tree-cfg.c (verify_expr): remove in_phi.
4696         (verify_stmt): Don't call walk_tree with verify_expr. Use
4697         is_gimple_min_invariant instead of is_gimple_val.
4698
4699 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
4700
4701         * doc/include/gpl_v3.texi: Update for manpage generation.
4702         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
4703         gpl.texi.
4704         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
4705         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
4706         gpl_v3.texi instead of gpl.texi.
4707         (gpl.pod): New.
4708
4709 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
4710
4711         PR pch/13675
4712         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
4713
4714 2008-04-01  Rafael Espindola  <espindola@google.com>
4715
4716         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
4717         (extract_code_and_val_from_cond): Use
4718         extract_code_and_val_from_cond_with_ops.
4719
4720 2008-04-01  Jan Hubicka  <jh@suse.cz>
4721
4722         * function.c (free_after_compilation): Free epilogue_delay_list.
4723         (prepare_function_start): Assert that previous compilation was freed.
4724
4725 2008-04-01  Jan Hubicka  <jh@suse.cz>
4726             Jim Wilson  <wilson@tuliptree.org>
4727             Andreas Tobler <andreast@gcc.gnu.org>
4728
4729         PR middle-end/35781
4730         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
4731         rtl.emit instead cfun->emit.
4732         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
4733         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
4734
4735 2008-04-01  Ben Elliston  <bje@au.ibm.com>
4736
4737         * doc/c-tree.texi (Function Basics): Fix grammatical error.
4738
4739 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
4740
4741         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
4742         New options
4743         (fprofile-use): Add var flag_profile_use
4744         * coverage.c (coverage_begin_output): Do not open a gcno file for
4745         output only if -ftest-coverage is set.
4746         Do not add getpwd() to gcda file path.
4747         (build_gcov_info): Check the new flag
4748         flag_profile_datafile_relative_path.
4749         (coverage_init): Use profile_data_prefix.
4750         Read profile counter only if flag_profile_use is set.
4751         * opts.c (common_handle_option): New option fprofile-use=,
4752         fprofile-dir=, fprofile-generate=.
4753         * toplev.c (profile_data_prefix): New variable definition.
4754         * toplev.h (profile_data_prefix): New declaration.
4755         * doc/invoke.tex (Option Summary, Optimization Options):
4756         Add new options.
4757
4758 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
4759
4760         * varasm.c (output_constant_pool_1): In LABEL_REF check,
4761         use tmp consistently.
4762
4763         PR target/35695
4764         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
4765         * config/ia64/ia64.c (rtx_needs_barrier): Handle
4766         UNSPEC_FR_RECIP_APPROX_RES.
4767         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
4768
4769 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
4770
4771         PR c/35750
4772         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
4773
4774 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4775
4776         PR middle-end/30186
4777         * fold-const.c (fold_indirect_ref_1): Support accessing non first
4778         element of the vector via a pointer.
4779
4780 2008-03-31  Ian Lance Taylor  <iant@google.com>
4781
4782         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
4783
4784 2008-03-31  Jan Hubicka  <jh@suse.cz>
4785
4786         * builtins.c (expand_builtin_setjmp_receiver): Update call of
4787         get_arg_pointer_save_area.
4788         * expr.c (init_expr): Just clear out rtl.expr.
4789         * function.c (free_after_compilation): Clear out whole RTL structure.
4790         (get_func_frame_size): Merge into ...
4791         (get_frame_size): ... this one.
4792         (assign_stack_local_1): Merge into ...
4793         (assign_stack_local): ... this one.
4794         (expand_function_end): Update call of get_arg_pointer_save_area.
4795         (get_art_pointer_save_area): Remove cfun argument.
4796         * function.h (emit_status): regno_pointer_align does not need length
4797         attribute. Move x_regno_reg_rtx to ...
4798         (regno_reg_rtx): ... new global array.
4799         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
4800         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
4801         apply_args_value, forced_labels, stack_pointer_delta):
4802         Update accestors.
4803         (struct varasm_status): Move here from varasm.c
4804         (struct rtl_data): New. Move here some fields from struct function.
4805         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
4806         frame_offset, stack_check_probe_note, arg_pointer_save_area,
4807         used_temp_slots avail_temp_slots, temp_slot_level,
4808         nonlocal_goto_handler_labels): Update accesstors.
4809         (rtl): New global variable.
4810         (struct function): Move some fileds to rtl_data.
4811         (get_arg_pointer_save_area): Update prototype.
4812         * emit-rtl.c (rtl): Declare.
4813         (regno_reg_rtx): Declare.
4814         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
4815         Update.
4816         (gen_reg_rtx): Update.
4817         (init_virtual_regs): Do not tate emit_status argument.
4818         (init_emit): Do not allocate emit.
4819         * varasm.c (varasm_statuc): Move to function.h.
4820         (n_deferred_constatns): Update accestor.
4821         (init_varasm_status): Do not allocate varasm_status.
4822         (force_const_mem, get_pool_size, output_constant_pool): Update.
4823         * stmt.c (force_label_rtx): Do not use x_ prefixes.
4824         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
4825
4826 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
4827
4828         PR rtl-optimization/35729
4829         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
4830         references.
4831
4832 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
4833
4834         PR target/32000
4835         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
4836         load/store if memory is unaligned.
4837         (*movti_rex64): Likewise.
4838
4839         * config/i386/predicates.md (misaligned_operand): New.
4840
4841 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
4842
4843         PR tree-opt/35431
4844         * tree-ssa-phiopt.c (conditional_replacement): Return early for
4845         complex types.
4846
4847 2008-03-31  Jan Beulich  <jbeulich@novell.com>
4848
4849         * config/ia64/constraints.md: Add 'j' constraint.
4850         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
4851         (movdi_internal): Likewise.
4852
4853 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
4854
4855         PR c/35748
4856         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
4857
4858 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
4859
4860         PR target/35757
4861         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
4862         proper error message for the third argument on blendpd and
4863         blendps.
4864
4865         * config/i386/sse.md (blendbits): New.
4866         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
4867
4868 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
4869
4870         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
4871
4872 2008-03-30  Richard Guenther  <rguenther@suse.de>
4873
4874         PR middle-end/31023
4875         * fold-const.c (fold_sign_changed_comparison): Do leave
4876         conversions to base-types alone.
4877
4878 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4879
4880         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
4881         the link register if one altivec register is be saved.
4882
4883 2008-03-30  Ben Elliston  <bje@au.ibm.com>
4884
4885         * final.c (final_scan_insn): Remove if (0) code.
4886
4887 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
4888
4889         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
4890
4891 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
4892
4893         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
4894         of V4SFmode to ix86_binary_operator_ok.
4895
4896 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
4897
4898         * config/i386/i386.c (override_options): Initialize
4899         ix86_veclib_handler to ix86_veclibabi_svml when
4900         -mveclibabi=svml is used.
4901         (ix86_veclibabi_svml): New function for SVML ABI style
4902         vectorization support.
4903         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
4904
4905 2008-03-28  Rafael Espindola  <espindola@google.com>
4906
4907         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
4908         (tree_binary_nonnegative_warnv_p): Make it public.
4909         (tree_single_nonnegative_warnv_p): Make it public.
4910         (tree_invalid_nonnegative_warnv_p): Make it public.
4911         (tree_unary_nonzero_warnv_p): Make it public.
4912         (tree_binary_nonzero_warnv_p): Make it public
4913         (tree_single_nonzero_warnv_p): Make it public.
4914         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
4915         (extract_range_from_binary_expr): Split the expr argument.
4916         (extract_range_from_unary_expr): Split the expr argument.
4917         (extract_range_from_comparison): Split the expr argument.
4918         (extract_range_from_expr): Use the new aux functions.
4919         (vrp_evaluate_conditional_warnv): Use
4920         vrp_evaluate_conditional_warnv_with_ops.
4921         * tree.h (tree_unary_nonzero_warnv_p): Declare.
4922         (tree_binary_nonzero_warnv_p): Declare.
4923         (tree_single_nonzero_warnv_p): Declare.
4924         (tree_expr_nonzero_warnv_p): Declare.
4925         (tree_unary_nonnegative_warnv_p): Declare.
4926         (tree_binary_nonnegative_warnv_p): Declare.
4927         (tree_single_nonnegative_warnv_p): Declare.
4928         (tree_invalid_nonnegative_warnv_p): Declare.
4929
4930 2008-03-28  Richard Guenther  <rguenther@suse.de>
4931
4932         PR tree-optimization/30317
4933         PR tree-optimization/30911
4934         PR tree-optimization/34793
4935         * tree-vrp.c (set_and_canonicalize_value_range): New function.
4936         (struct assert_locus_d): New member EXPR.
4937         (register_new_assert_for): Add EXPR parameter to support
4938         ASSERT_EXPR <name, expr OP limit>.
4939         (register_edge_assert_for_1): Adjust callers.
4940         (find_assert_locations): Likewise.
4941         (process_assert_insertions_for): Build condition from expression.
4942         (extract_range_from_assert): Handle ASSERT_EXPRs
4943         of the form ASSERT_EXPR <name, expr OP limit>.
4944         (register_edge_assert_for_2): New helper registering
4945         asserts for comparisons.  Recognize range tests of the form
4946         (unsigned)i - CST1 OP CST2.
4947         (register_edge_assert_for_1): Use it.
4948         (register_edge_assert_for): Likewise.
4949         (needs_overflow_infinity): Integer sub-types
4950         do not need overflow infinities.
4951         (vrp_val_is_max): The extreme values of integer sub-types
4952         are those of the base type.
4953         (vrp_val_is_min): Likewise.
4954         * tree.def (ASSERT_EXPR): Document extra allowed conditional
4955         expressions.
4956
4957 2008-03-28  Nick Clifton  <nickc@redhat.com>
4958
4959         PR target/31110
4960         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
4961         Return GENERAL_REGS for stack adjustment reloads.
4962
4963 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4964
4965         PR target/31334
4966         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
4967         const_vector when all the vectors are constant.
4968
4969 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
4970
4971         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
4972         comparisons.
4973         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
4974         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
4975         (scc_sf): New.
4976         (s<code>_sf): Use new scc_sf attribute for opcode names.
4977
4978 2008-03-27  Tom Tromey  <tromey@redhat.com>
4979
4980         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
4981         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
4982         config/spu/t-spu-elf, config/i386/t-interix,
4983         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
4984         config/i386/x-darwin, config/i386/x-mingw32,
4985         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
4986         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
4987         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
4988         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
4989         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
4990         config/rs6000/x-darwin, config/rs6000/t-rs6000,
4991         config/score/t-score-elf, config/arm/t-strongarm-pe,
4992         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
4993         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
4994         Revert automatic dependency patch.
4995
4996 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4997
4998         PR target/35657
4999         * config/i386/i386.c (ix86_function_arg_boundary): Align
5000         decimal floating point to its natural boundary.
5001
5002 2008-03-27  Richard Guenther  <rguenther@suse.de>
5003
5004         PR middle-end/35716
5005         * fold-const.c (fold_comparison): Restrict distinct decl
5006         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
5007         solely rely on operand_equal_p.
5008
5009 2008-03-27  Richard Guenther  <rguenther@suse.de>
5010
5011         PR c/32511
5012         * c-common.c (handle_weak_attribute): Reject combination of
5013         weak and inline.
5014
5015 2008-03-27  Richard Guenther  <rguenther@suse.de>
5016
5017         PR tree-optimization/32810
5018         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
5019         conversions from DECL_INITIAL.
5020         (fold_const_aggregate_ref): Likewise from constructor elements.
5021
5022 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
5023
5024         * tree-affine.h (aff_combination_expand): Declare.
5025         (get_inner_reference_aff): Likewise.
5026         * tree-affine.c (aff_combination_expand): Split out from
5027         tree_to_aff_combination_expand.
5028         (get_inner_reference_aff): New function.
5029         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
5030         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
5031         (struct lim_aux_data): sm_done field removed.
5032         (mem_ref_loc_p, mem_ref_locs_p): New types.
5033         (struct mem_ref): Added id, stored, accesses_in_loop,
5034         indep_loop, dep_loop, indep_ref, dep_ref fields.
5035         Removed is_stored, locs and next fields.
5036         (memory_accesses): New variable.
5037         (movement_possibility): Do not allow moving statements
5038         that store to memory.
5039         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
5040         New functions.
5041         (determine_max_movement): For statements with memory references,
5042         find the outermost loop in that the reference is independent.
5043         (move_computations_stmt): Mark the virtual operands for renaming.
5044         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
5045         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
5046         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
5047         add_vop_ref_mapping, create_vop_ref_mapping_loop,
5048         create_vop_ref_mapping, analyze_memory_references,
5049         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
5050         get_all_locs_in_loop, ref_always_accessed_p,
5051         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
5052         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
5053         store_motion_loop, store_motion): New functions.
5054         (struct vop_to_refs_elt): New type.
5055         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
5056         memref_hash, memref_eq, hoist_memory_references): Rewritten.
5057         (schedule_sm): Replaced by...
5058         (execute_sm): ... this.
5059         (determine_lsm_ref, hoist_memory_references,
5060         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
5061         find_more_ref_vops, free_mem_ref, free_mem_refs,
5062         determine_lsm_loop, determine_lsm): Removed.
5063         (tree_ssa_lim_finalize): Free data structures used by store motion.
5064         (tree_ssa_lim): Call analyze_memory_references.  Use
5065         store_motion instead of determine_lsm.
5066
5067 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
5068
5069         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
5070         rename tmake_file to m68hc11/t-m68hc11.
5071         (mcore): Set inhibit_libc to true.
5072         * config.host (alpha*-dec-*vms*): Set extra_programs.
5073         (interix3*): Don't use host_xmake_file.
5074         * configure.ac: Let config.gcc override inhibit_libc.
5075         * configure: Regenerate.
5076
5077         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
5078         * config/t-openbsd-thread: Remove commented out lines.
5079
5080         * config/x-interix: Remove.
5081
5082         * config/m68hc11/t-m68hc11-gas: Rename to...
5083         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
5084
5085         * config/mcore/t-mcore: Remove T_CFLAGS.
5086         * config/mcore/t-mcore-pe: Likewise.
5087
5088 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
5089
5090         * configure.ac: Replace custom __GNU_SOURCE test with
5091         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
5092         * aclocal.m4: Regenerate.
5093         * configure: Regenerate.
5094         * config.in: Regenerate.
5095
5096 2008-03-27  Richard Guenther  <rguenther@suse.de>
5097
5098         * fold-const.c (target.h): Include.
5099         (fold_comparison): Fold comparison of addresses of decls
5100         that bind locally or of constants.  Consolidate address folding code.
5101         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
5102         results from fold_binary_to_constant.
5103         (compare_values_warnv): Likewise.
5104
5105 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
5106
5107         PR middle-end/35429
5108         * fold-const.c (fold_truthop): Check for integeral types when folding
5109         a == 0 && b == 0 and a != 0 || b != 0 .
5110
5111 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
5112
5113         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
5114
5115 2008-03-26  Andreas Schwab  <schwab@suse.de>
5116
5117         * doc/invoke.texi: Fix use of @item vs. @itemx.
5118
5119 2008-03-26  Tom Tromey  <tromey@redhat.com>
5120
5121         * Makefile.in (build/gensupport.o, build/print-rtl.o,
5122         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
5123         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
5124         build/gencodes.o, build/genconditions.o, build/genconfig.o,
5125         build/genconstants.o, build/genemit.o, build/genextract.o,
5126         build/genflags.o, build/genmddeps.o, build/genopinit.o,
5127         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
5128         options.h.
5129
5130 2008-03-26  Richard Guenther  <rguenther@suse.de>
5131
5132         Revert
5133         2008-03-26  Richard Guenther  <rguenther@suse.de>
5134
5135         * fold-const.c (target.h): Include.
5136         (fold_comparison): Fold comparison of addresses of two decls
5137         that bind locally.  Consolidate address folding code.
5138
5139 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5140
5141         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
5142         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
5143         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
5144         dconstsqrt2, dconstthird, dconste and/or dconst10.
5145         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
5146         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
5147         dconstsqrt2, dconste): Delete.
5148         (init_emit_once): Likewise.  Simplify initializing dconstm1.
5149         Constify variable.
5150         * real.c (get_real_const): New.
5151         * real.h (dconst3, dconst10, dconstm2, dconstthird,
5152         dconstsqrt2, dconste): Delete.
5153         (real_value_const, get_real_const): New.
5154
5155 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
5156
5157         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
5158
5159         * config/i386/i386.c (ix86_function_arg_boundary): Check
5160         BIGGEST_ALIGNMENT instead of 128.
5161         (setup_incoming_varargs_64): Likewise.
5162
5163 2008-03-26  Tom Tromey  <tromey@redhat.com>
5164
5165         * Makefile.in (DEPFILES): Add missing '/'.
5166
5167 2008-03-26  Richard Guenther  <rguenther@suse.de>
5168
5169         * fold-const.c (target.h): Include.
5170         (fold_comparison): Fold comparison of addresses of two decls
5171         that bind locally.  Consolidate address folding code.
5172
5173 2008-03-26  Nick Clifton  <nickc@redhat.com>
5174
5175         PR target/31232
5176         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
5177         not allow INT+INT as a legitimate addressing mode.
5178
5179 2008-03-26  Richard Guenther  <rguenther@suse.de>
5180
5181         * tree-flow.h (widen_bitfield): Remove declaration.
5182         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
5183         (widen_bitfield): Remove function.
5184         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
5185         code.
5186
5187 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5188
5189         PR target/31558
5190         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
5191         error_mark_node's.
5192
5193 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
5194
5195         PR rtl-optimization/35232
5196         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
5197         (forget_old_reloads_1, forget_marked_reloads): Don't clear
5198         reg_reloaded_call_part_clobbered here.
5199         (reload_regs_reach_end_p): New function.
5200         (reload_reg_rtx_for_input): New variable.
5201         (reload_reg_rtx_for_output): Likewise.
5202         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
5203         when reassigning a pseudo register.  Load reloadreg from
5204         reload_reg_rtx_for_input, moving the mode and register
5205         calculation to...
5206         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
5207         instead of the original when deciding whether an input reload
5208         would be a no-op or whether an output reload can be deleted.
5209         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
5210         when setting up new_spill_reg_store.  Load it from
5211         reload_reg_rtx_for_output, moving the mode and register
5212         calculation to...
5213         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
5214         instead of the original when deciding whether an output reload
5215         would be a no-op.  Do the same when modifying insn notes.
5216         Use rtx_equal_p instead of == to compare the registers.
5217         (inherit_piecemeal_p): Take a mode and two register numbers
5218         as argument.
5219         (emit_reload_insns): Clear new_spill_reg_store for every hard
5220         register in the reload register.  Remove spill registers
5221         from reg_reloaded_valid before considering whether to record
5222         inheritance information for them.  Use reload_reg_rtx_for_output
5223         instead of reg_rtx when recording output reloads.  Use
5224         reload_reg_rtx_for_input instead of reg_rtx when recording
5225         input reloads.  Set or clear reg_reloaded_call_part_clobbered
5226         at the same time as setting reg_reloaded_valid.
5227         (delete_output_reload): Add a new_reload_reg parameter and use it
5228         instead of rld[j].reg_rtx.
5229         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
5230         calls accordingly.
5231
5232 2008-03-25  Tom Tromey  <tromey@redhat.com>
5233
5234         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
5235         (build/genattr.o): Likewise.
5236         (build/genattrtab.o): Likewise.
5237         (build/gencodes.o): Likewise.
5238         (build/genconfig.o): Likewise.
5239         (build/genconstants.o): Likewise.
5240         (build/genemit.o): Likewise.
5241         (build/genextract.o): Likewise.
5242         (build/genflags.o): Likewise.
5243
5244 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
5245
5246         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
5247         instead of size_int for integer types.
5248         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
5249         to match type of MINUS_EXPR.
5250
5251 2008-03-25  Tom Tromey  <tromey@redhat.com>
5252
5253         * configure: Rebuilt.
5254         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
5255         Makefile.
5256
5257 2008-03-25  Tom Tromey  <tromey@redhat.com>
5258
5259         * config/x-solaris (host-solaris.o): Update.
5260         * config/x-linux (host-linux.o): Update.
5261         * config/x-hpux (host-hpux.o): Update.
5262         * config/x-darwin (host-darwin.o): Update.
5263         * config/v850/t-v850e (v850-c.o): Update.
5264         * config/v850/t-v850 (v850-c.o): Update.
5265         * config/t-vxworks (vxworks.o): Update.
5266         * config/t-sol2 (sol2-c.o, sol2.o): Update.
5267         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
5268         * config/spu/t-spu-elf (spu-c.o): Update.
5269         (spu.o): Remove.
5270         * config/sh/t-symbian (sh-c.o): Update.
5271         (symbian.o): Update.
5272         * config/sh/t-sh (sh-c.o): Update.
5273         * config/score/t-score-elf (score7.o, score3.o): Update.
5274         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
5275         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
5276         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
5277         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
5278         (rs6000.o): Remove.
5279         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
5280         * config/m32c/t-m32c (m32c-pragma.o): Update.
5281         * config/ia64/t-ia64 (ia64-c.o): Update.
5282         * config/i386/x-mingw32 (host-mingw32.o): Update.
5283         * config/i386/x-i386 (driver-i386.o): Update.
5284         * config/i386/x-darwin (host-i386-darwin.o): Update.
5285         * config/i386/x-cygwin (host-cygwin.o): Update.
5286         * config/i386/t-nwld (nwld.o): Update.
5287         * config/i386/t-netware (netware.o): Update.
5288         * config/i386/t-interix (winnt.o): Update.
5289         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
5290         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
5291         msformat-c.o): Update.
5292         * config/bfin/t-bfin-linux (generated_files): Add
5293         linux-sysroot-suffix.h.
5294         * config/arm/t-wince-pe (pe.o): Update.
5295         * config/arm/t-strongarm-pe (pe.o): Update.
5296         * config/arm/t-pe (pe.o): Update.
5297         * config/arm/t-arm (arm-c.o): Update.
5298         * doc/install.texi (Prerequisites): Require make 3.80.
5299         * Makefile.in: Remove .o targets.
5300         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
5301         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
5302         (simple_generated_h, simple_generated_c): Move earlier.
5303         (generated_files): New variable.
5304         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
5305         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
5306         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
5307         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
5308         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
5309         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
5310         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
5311         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
5312         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
5313         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
5314         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
5315         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
5316         (.c.o): Remove.
5317         (COMPILE.base, COMPILE): New variables.
5318         (%.o): New pattern rule.
5319         (ALL_HOST_OBJS): New variable.
5320         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
5321         (dummy-checksum.o, cc1-checksum.o): Remove.
5322         (DRIVER_SHLIB): New variable.
5323         (DRIVER_DEFINES): Use it.
5324         (gencondmd.c): Move out of build/.
5325         (s-conditions): Update.
5326         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
5327         (ALL_BUILD_OBJS): Likewise.
5328         (build/%.o): Use BUILDCOMPILE.
5329         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
5330         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
5331         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
5332         build/gencheck.o, build/gencodes.o, build/genconditions.o,
5333         build/genconfig.o, build/genconstants.o, build/genemit.o,
5334         build/genextract.o, build/genflags.o, build/genmddeps.o,
5335         build/genopinit.o, build/genoutput.o, build/genpeep.o,
5336         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
5337         build/gen-protos.o, build/scan.o, build/fix-header.o,
5338         build/scan-decls.o): Simplify.
5339         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
5340         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
5341         prefix.o, toplev.o): Reduce to variable setting.
5342         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
5343         ($(out_object_file), gcc-options.o): New targets.
5344         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
5345         * configure: Rebuilt.
5346         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
5347         * doc/sourcebuild.texi (Front End Directory): Document new variable.
5348
5349 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
5350
5351         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
5352         complain when we hit an error, return ERROR_MARK_NODE.
5353
5354 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
5355
5356         * config/sh/constraints.md (Pso, Psz): New constraints.
5357         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
5358         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
5359
5360 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
5361
5362         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
5363         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
5364
5365 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
5366
5367         * config/sh/sh.md (prefetch): Add condition for SH2A target.
5368         (prefetch_sh2a): New.
5369
5370 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
5371             Naveen.H.S  <naveen.hs@kpitcummins.com>
5372
5373         * config/sh/constraints.md (I28): New constraint.
5374         * config/sh/sh.c (broken_move): Add support for movi20s.
5375         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
5376
5377 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
5378             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
5379             Naveen.H.S  <naveen.hs@kpitcummins.com>
5380
5381         * config/sh/sh.c (SH_ATTRIBUTES): Define.
5382         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
5383         (print_operand): Handle resbank in %@ operand code.
5384         (sh_encode_section_info): New.
5385         (push_regs): Add conditions for resbank.
5386         (sh_expand_epilogue): Likewise.
5387         (sh_insert_attributes): Likewise.
5388         (sh_attribute_table): Likewise.
5389         (sh_handle_resbank_handler_attribute): New.
5390         (sh2a_handle_function_vector_handler_attribute): New.
5391         (sh2a_is_function_vector_call): New.
5392         (sh2a_get_function_vector_number): New.
5393         (sh2a_function_vector_p): New.
5394         (sh_cfun_resbank_handler_p): New.
5395         * config/sh/sh.md (calli): Emit jsr/n if possible.
5396         (calli_tbr_rel): New.
5397         (calli_pcrel): Emit jsr/n if possible.
5398         (return_i): Emit rts/n if possible.
5399         (call_valuei_tbr_rel): New.
5400         (call_valuei_pcrel): Add condition for SH2A target.
5401         (call_value): Likewise.
5402         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
5403         (sh2a_get_function_vector_number): Likewise.
5404         (sh2a_is_function_vector_call): Likewise.
5405         * doc/extend.texi: Document TBR relative addressing of SH2A.
5406         (resbank): Add description for SH2A.
5407
5408 2008-03-24  Richard Guenther  <rguenther@suse.de>
5409
5410         PR c/22371
5411         * gimplify.c (gimplify_modify_expr): For frontend type-correct
5412         pointer assignments change conversions according to middle-end rules.
5413         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
5414         * configure.ac: Include type checking in yes.
5415         * configure: Regenerate.
5416
5417 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5418
5419         * diagnostic.c (diagnostic_count_diagnostic): Delete.
5420         (diagnostic_report_diagnostic): Update. Handle ICEs here.
5421
5422 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
5423
5424         * gthr-vxworks.h (UNUSED): Define.
5425
5426 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
5427
5428         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
5429
5430 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
5431
5432         * doc/extend.texi (Function Attributes): Add missing comma in the
5433         example of the "alloc_size" attribute.
5434
5435 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
5436
5437         Revert:
5438         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
5439
5440         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
5441         32bit host.
5442
5443         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
5444
5445         PR target/35496
5446         * stor-layout.c (update_alignment_for_field): Set minimum alignment
5447         of the underlying type of a MS bitfield layout to the natural
5448         alignment of the type.
5449
5450         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
5451
5452         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
5453         to their natural alignment to avoid store forwarding stalls.
5454
5455 2008-03-22  Richard Guenther  <rguenther@suse.de>
5456
5457         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
5458         For PHI nodes verify the address is invariant.
5459         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
5460         (get_symbol_constant_value): Use is_gimple_min_invariant.
5461         (maybe_fold_stmt_indirect): Likewise.
5462
5463 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
5464
5465         PR rtl-optimization/33927
5466         * Makefile.in (dse.o): Depend on $(TM_P_H).
5467         * expr.h (extract_low_bits): Declare.
5468         * expmed.c (extract_low_bits): New function.
5469         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
5470         * dse.c: Include tm_p.h.
5471         (find_shift_sequence): Remove the read_reg argument and return the
5472         read value.  Emit the instructions instead of returning them.
5473         Iterate on new_mode rather than calculating it each time.
5474         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
5475         source to NEW_MODE and extract_low_bits to convert the shifted
5476         value to READ_MODE.
5477         (replace_read): Allow the load and store to have different mode
5478         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
5479         or extraction instructions before trying the replacement.  Update
5480         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
5481
5482 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
5483
5484         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
5485         to their natural alignment to avoid store forwarding stalls.
5486
5487 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5488
5489         PR target/27946
5490         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
5491         encouraging but not allowing gprs for input;
5492         change the input constraint to !f#r.
5493         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
5494         gprs for output;
5495         change the output constraint to !f#r.
5496
5497 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
5498
5499         PR target/13958
5500         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
5501         corresponding post-reload splitters.
5502         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
5503         when x87 FP math is selected.
5504         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
5505         New function prototype.
5506         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
5507         unreachable function to ease macroization of insn patterns.
5508
5509 2008-03-21  Martin Jambor  <mjambor@suse.cz>
5510
5511         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
5512         reference dumps if ddr is NULL or dependence is unknown.
5513
5514 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
5515
5516         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
5517         unsigned extension into account.
5518         (ATOMIC_COMPARE_AND_SWAP): Likewise.
5519         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
5520         Do computations on a scratch register.
5521
5522 2008-03-21  Richard Guenther  <rguenther@suse.de>
5523
5524         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
5525         Use is_gimple_min_invariant instead of TREE_INVARIANT.
5526         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
5527         * tree-ssa-dom.c (record_equality): Likewise.
5528         * tree-inline.c (copy_body_r): Likewise.
5529         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
5530         TREE_INVARIANT.
5531
5532 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
5533
5534         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
5535         as 'delete_unused' argument.
5536
5537 2008-03-20  Richard Guenther  <rguenther@suse.de>
5538
5539         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
5540         special casing of constant qualifiers.
5541         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
5542         care about them in general.
5543         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
5544         regardless of their type.
5545         (fold_stmt_r): Forcefully fold *& if we end up with that.
5546
5547 2008-03-20  Paul Brook  <paul@codesourcery.com>
5548
5549         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
5550         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
5551         linker flags.
5552         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
5553         definition.
5554         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
5555         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
5556
5557 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
5558
5559         * common.opt (Wmudflap): New option.
5560         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
5561         (mx_register_decls): Likewise.
5562         (mudflap_finish_file): Likewise.
5563         * doc/invoke.texi: Document -Wno-mudflap.
5564
5565 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
5566
5567         * c-format.c (replace_format_name_to_system_name): New.
5568         (cmp_attribs): New.
5569         (convert_format_name_to_system_name): New.
5570         (decode_format_attr): Add use of convert_format_name_to_system_name.
5571         (format_types_orig): Add gnu_ prefix to names.
5572         (check_format_info_main): Special treating of \0 escaped names for
5573         supporting multi-character format specifiers as I32, I64.
5574         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
5575         (gnu_target_overrides_format_attributes): New.
5576         * c-format.h: Add structure target_ovr_attr to hold
5577         system specific formatter names.
5578         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
5579         msformat-c.o file to c_target_objs and cxx_target_objs.
5580         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
5581         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
5582         (TARGET_N_FORMAT_TYPES): New.
5583         * config/i386/msformat-c.c: New.
5584         * config/i386/t-cygming: Add build rule for msformat-c.o.
5585         * doc/extend.texi: Add new format names gnu_* and ms_* and
5586         further details.
5587         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
5588
5589 2008-03-20  Ira Rosen  <irar@il.ibm.com>
5590
5591         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
5592         optimizations turned on under -O3.
5593         (ftree-vectorize): Add that the flag is turned on with -O3.
5594
5595 2008-03-20  Ben Elliston  <bje@au.ibm.com>
5596
5597         * regmove.c (try_auto_increment): Fix spelling error in comment.
5598         * final.c (final_scan_insn): Likewise.
5599
5600 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
5601
5602         PR target/14552
5603         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
5604         allocator preferences for "y" and "r" class registers.
5605         ("*mov<mode>_internal"): Ditto.
5606         ("*movv2sf_internal_rex64"): Ditto.
5607         ("*movv2sf_internal"): Ditto.
5608
5609 2008-03-19  Michael Matz  <matz@suse.de>
5610
5611         PR middle-end/35616
5612         * calls.c (expand_call): Check overlap of arguments with call
5613         address for sibcalls.
5614
5615 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
5616
5617         PR target/35496
5618         * stor-layout.c (update_alignment_for_field): Set minimum alignment
5619         of the underlying type of a MS bitfield layout to the natural
5620         alignment of the type.
5621
5622 2008-03-19  Jan Hubicka  <jh@suse.cz>
5623
5624         PR other/35094
5625         * toplev.c (decode_d_option): Handle all CPP flags.
5626         * tree-vrp.c: Update tree_pass descriptors.
5627         * regrename.c: Update tree_pass descriptors.
5628         * fwprop.c: Update tree_pass descriptors.
5629         * doc/invoke.texi: Remove documentation of dropped -d? flags.
5630         * tree-into-ssa.c: Update tree_pass descriptors.
5631         * tree-dump.c: Update tree_pass descriptors.
5632         * tree-complex.c: Update tree_pass descriptors.
5633         * tree-dump.h: Update tree_pass descriptors.
5634         * see.c: Update tree_pass descriptors.
5635         * cgraphbuild.c: Update tree_pass descriptors.
5636         * tracer.c: Update tree_pass descriptors.
5637         * tree-loop-distribution.c: Update tree_pass descriptors.
5638         * cgraph.c: Update tree_pass descriptors.
5639         * postreload-gcse.c: Update tree_pass descriptors.
5640         * postreload.c: Update tree_pass descriptors.
5641         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
5642         * tree-tailcall.c: Update tree_pass descriptors.
5643         * tree-pass.h (tree_opt_pass): Rename to ...
5644         (opt_pass) ... this one; add "type" field and remove letter field.
5645         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
5646         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
5647         all_lowering_passes): Update declaration.
5648         * ipa-cp.c: Update tree_pass descriptors.
5649         * final.c: Update tree_pass descriptors.
5650         * omp-low.c: Update tree_pass descriptors.
5651         * tree-ssa-dse.c: Update tree_pass descriptors.
5652         * ipa-reference.c: Update tree_pass descriptors.
5653         * tree-ssa-uncprop.c: Update tree_pass descriptors.
5654         * auto-inc-dec.c: Update tree_pass descriptors.
5655         * reorg.c: Update tree_pass descriptors.
5656         * cgraphunit.c: Update tree_pass descriptors.
5657         * tree-ssa-copyrename.c: Update tree_pass descriptors.
5658         * tree-ssa-ccp.c: Update tree_pass descriptors.
5659         * df-core.c: Update tree_pass descriptors.
5660         * mode-switching.c: Update tree_pass descriptors.
5661         * tree-nomudflap.c: Update tree_pass descriptors.
5662         * modulo-sched.c: Update tree_pass descriptors.
5663         * ipa-pure-const.c: Update tree_pass descriptors.
5664         * cse.c: Update tree_pass descriptors.
5665         * web.c: Update tree_pass descriptors.
5666         * tree-stdarg.c: Update tree_pass descriptors.
5667         * tree-ssa-math-opts.c: Update tree_pass descriptors.
5668         * tree-ssa-dom.c: Update tree_pass descriptors.
5669         * tree-nrv.c: Update tree_pass descriptors.
5670         * tree-ssa-alias.c: Update tree_pass descriptors.
5671         * loop-init.c: Update tree_pass descriptors.
5672         * gimple-low.c: Update tree_pass descriptors.
5673         * ipa-inline.c: Update tree_pass descriptors.
5674         * tree-ssa-sink.c: Update tree_pass descriptors.
5675         * global.c: Update tree_pass descriptors.
5676         * ifcvt.c: Update tree_pass descriptors.
5677         * jump.c: Update tree_pass descriptors.
5678         * predict.c: Update tree_pass descriptors.
5679         * tree-ssa-loop.c: Update tree_pass descriptors.
5680         * recog.c: Update tree_pass descriptors.
5681         * dse.c: Update tree_pass descriptors.
5682         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
5683         * tree-eh.c: Update tree_pass descriptors.
5684         * regmove.c: Update tree_pass descriptors.
5685         * local-alloc.c
5686         * function.c: Update tree_pass descriptors.
5687         * tree-vectorizer.c: Update tree_pass descriptors.
5688         * gcse.c: Update tree_pass descriptors.
5689         * ipa-type-escape.c: Update tree_pass descriptors.
5690         * tree-if-conv.c: Update tree_pass descriptors.
5691         * init-regs.c: Update tree_pass descriptors.
5692         * ipa.c: Update tree_pass descriptors.
5693         * tree-ssa-phiopt.c: Update tree_pass descriptors.
5694         * rtl-factoring.c: Update tree_pass descriptors.
5695         * lower-subreg.c: Update tree_pass descriptors.
5696         * bt-load.c: Update tree_pass descriptors.
5697         * tree-dfa.c: Update tree_pass descriptors.
5698         * except.c: Update tree_pass descriptors.
5699         * emit-rtl.c: Update tree_pass descriptors.
5700         * cfgexpand.c: Update tree_pass descriptors.
5701         * tree-cfgcleanup.c: Update tree_pass descriptors.
5702         * cfgcleanup.c: Update tree_pass descriptors.
5703         * tree-ssa-pre.c: Update tree_pass descriptors.
5704         * tree-sra.c: Update tree_pass descriptors.
5705         * tree-mudflap.c: Update tree_pass descriptors.
5706         * tree-ssa-copy.c: Update tree_pass descriptors.
5707         * cfglayout.c: Update tree_pass descriptors.
5708         * tree-ssa-forwprop.c: Update tree_pass descriptors.
5709         * tree-ssa-dce.c: Update tree_pass descriptors.
5710         * tree-ssa.c: Update tree_pass descriptors.
5711         * regclass.c: Update tree_pass descriptors.
5712         * integrate.c: Update tree_pass descriptors.
5713         * tree-optimize.c: Update tree_pass descriptors.
5714         * tree-ssa-phiprop.c: Update tree_pass descriptors.
5715         * tree-object-size.c: Update tree_pass descriptors.
5716         * combine.c: Update tree_pass descriptors.
5717         * tree-outof-ssa.c: Update tree_pass descriptors.
5718         * bb-reorder.c: Update tree_pass descriptors.
5719         * stack-ptr-mod.c: Update tree_pass descriptors.
5720         * var-tracking.c: Update tree_pass descriptors.
5721         * tree-profile.c: Update tree_pass descriptors.
5722         * tree-vect-generic.c: Update tree_pass descriptors.
5723         * reg-stack.c: Update tree_pass descriptors.
5724         * sched-rgn.c: Update tree_pass descriptors.
5725         * tree-ssa-structalias.c: Update tree_pass descriptors.
5726         * tree-cfg.c: Update tree_pass descriptors.
5727         * passes.c (current_pass): Update declaration.
5728         (finish_optimization_passes): Update.
5729         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
5730         (register_one_dump_file, register_dump_files_1, next_pass_1):
5731         Update arguments.
5732         (init_optimization_passes): Update handling of new types.
5733         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
5734         * ipa-struct-reorg.c: Update tree_pass descriptors.
5735         * tree-ssa-reassoc.c: Update tree_pass descriptors.
5736         * combine-stack-adj.c: Update tree_pass descriptors.
5737         * cfgrtl.c: Update tree_pass descriptors.
5738         * dce.c: Update tree_pass descriptors.
5739         * tree-ssanames.c: Update tree_pass descriptors.
5740
5741 2008-03-19  Richard Guenther  <rguenther@suse.de>
5742
5743         PR middle-end/35609
5744         * tree-ssa.c (walk_data): New structure.
5745         (warn_uninitialized_var): If not always_executed warn with "maybe"
5746         instead of "is".
5747         (execute_early_warn_uninitialized): Compute post-dominators.
5748         Initialize always_executed before processing each basic block.
5749
5750 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
5751
5752         PR target/35504
5753         * config/i386/i386.c (x86_this_parameter): Calculate correct location
5754         of "this" pointer when "regparm = N" or "fastcall" is in effect.
5755
5756 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5757
5758         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
5759
5760 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
5761
5762         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
5763         is true.
5764         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
5765         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
5766         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
5767         target after ignore has been set, and move there also the commputation
5768         of subtarget and original_target.
5769         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
5770         (LANG_HOOKS_INITIALIZER): Remove it.
5771         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
5772
5773 2008-03-18  Richard Guenther  <rguenther@suse.de>
5774
5775         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
5776         found an expression with constants, note that in the VN for the lhs.
5777         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
5778         fold them to constants if possible.  Run cleanup_cfg if done so.
5779         (execute_pre): Return todo.
5780         (do_pre): Likewise.
5781         (execute_fre): Likewise.
5782         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
5783         of constants.
5784         (get_prop_source_stmt): Look through pointer conversions.
5785
5786 2008-03-18  Jan Hubicka  <jh@suse.cz>
5787
5788         * tree-pretty-print.c: Include predict.h.
5789         (dump_generic_node): Dump predictor.
5790         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
5791         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
5792         * gimple-low.c (lower_stmt): Likewise.
5793         * expr.c (expand_expr_real): Likewise.
5794         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
5795         them.
5796         (build_predict_expr, build_predict_expr): New.
5797         * predict.h (predictor_name, build_predict_expr): Update.
5798         * c-typeck.c (c_finish_bc_stmt): Add prediction.
5799         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
5800         * predict.def (PRED_CONTINUE): Update hitrate.
5801         * tree.def (PREDICT_EXPR): Define.
5802         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
5803         do not handle BIND_EXPR.
5804         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
5805         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
5806         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
5807         operands.
5808
5809 2008-03-18  Michael Matz  <matz@suse.de>
5810
5811         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
5812
5813 2008-03-18  Richard Guenther  <rguenther@suse.de>
5814
5815         * tree-gimple.h (is_gimple_invariant_address): Declare.
5816         (is_gimple_constant): Likewise.
5817         * tree-gimple.c (is_gimple_constant): New function.
5818         (is_gimple_invariant_address): Likewise.
5819         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
5820         and is_gimple_invariant_address.
5821         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
5822         previous change.
5823         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
5824         an addressable base.
5825
5826 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
5827
5828         PR middle-end/35611
5829         * gimplify.c (gimplify_expr): Gimplify second operand of
5830         OMP_ATOMIC_LOAD.
5831
5832 2008-03-17  Richard Guenther  <rguenther@suse.de>
5833
5834         PR tree-optimization/19637
5835         * fold-const.c (fold_unary): Remove restrictions of removing
5836         intermediate pointer-conversions (P2)(P1)P0.
5837         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
5838         conversion to void pointer.
5839         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
5840
5841 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
5842
5843         PR debug/31510
5844         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
5845         emulated thread local variables.
5846
5847 2008-03-16  Richard Guenther  <rguenther@suse.de>
5848
5849         PR middle-end/35607
5850         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
5851         expand TREE_INVARIANT operations that are not gimple invariant.
5852
5853 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
5854
5855         * doc/extend.texi (Alignment): Say that the ABI controls
5856         the __alignof__ for non-strict-alignment targets rather
5857         than being a recommendation.
5858
5859 2008-03-15  Paul Brook  <paul@codesourcery.com>
5860
5861         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
5862         annotations.
5863         (arm_output_fn_unwind): Mark functions that can not be unwound.
5864
5865 2008-03-15  Paul Brook  <paul@codesourcery.com>
5866
5867         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
5868         extension instructions.
5869
5870 2008-03-15  Richard Guenther  <rguenther@suse.de>
5871
5872         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
5873         and fold constant aggregate refs.
5874         (fold_const_aggregate_ref): Handle string constants
5875         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
5876         (evaluate_stmt): Simplify now that ccp_fold folds constant
5877         aggregate refs.
5878
5879 2008-03-15  Paul Brook  <paul@codesourcery.com>
5880
5881         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
5882         (extzv): Use gen_extzv_t2.
5883         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
5884
5885 2008-03-15  Richard Guenther  <rguenther@suse.de>
5886
5887         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
5888         (fold_const_aggregate_ref): Likewise.
5889         (get_value): Return NULL if we don't have any values.
5890         (ccp_finalize): Set const_val to NULL after freeing it.
5891         * tree-flow.h (get_symbol_constant_value): Declare.
5892         (fold_const_aggregate_ref): Likewise.
5893         * tree-ssa-sccvn.c (try_to_simplify): Use them.
5894
5895 2008-03-15  Richard Guenther  <rguenther@suse.de>
5896
5897         PR middle-end/35593
5898         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
5899         to not produce negative array indices if not allowed.  Add
5900         parameter to indicate that.
5901         (maybe_fold_offset_to_component_ref): Allow negative array
5902         indices only for the first member of a structure.
5903         (maybe_fold_offset_to_reference): Allow negative array indices.
5904         (maybe_fold_stmt_addition): Likewise.
5905
5906 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
5907             Anatoly Sokolov <aesok@post.ru>
5908
5909         * config/avr/avr.c (avr_arch_types): Add avr6 entry.
5910         (avr_arch): Add ARCH_AVR6.
5911         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
5912         (initial_elimination_offset): Initialize and use 'avr_pc_size'
5913         instead of fixed value 2.
5914         (print_operand_address): Use gs() asm specifier instead of pm().
5915         (avr_assemble_integer): (Ditto.).
5916         (avr_output_addr_vec_elt): (Ditto.).
5917         (print_operand): Handle "!" code.
5918         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
5919         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
5920         (AVR_HAVE_EIJMP_EICALL): Define.
5921         (AVR_3_BYTE_PC): Redefine.
5922         (AVR_2_BYTE_PC): (Ditto.).
5923         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
5924         (LINK_SPEC): Add atmega2560 and atmega2561.
5925         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
5926         (crtm2561.o).
5927         * config/avr/avr.md (call_insn): Use eicall instead of icall
5928         for 3 byte PC devices.
5929         (call_value_insn): (Ditto.).
5930         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
5931         (indirect_jump): Use only for for 2 byte PC devices.
5932         (*tablejump): (Ditto.).
5933         (*indirect_jump_avr6): Add insn.
5934         (*tablejump_rjmp): Don't use for 3 byte PC devices.
5935         * config/avr/libgcc.S (__prologue_saves__): Use eijmp
5936         instead of ijmp for 3 byte PC devices.
5937         (__tablejump2__): (Ditto.).
5938         * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
5939         (MULITLIB_DIRNAMES): (Ditto.).
5940         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
5941
5942 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
5943
5944         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
5945         "sse2_umulsidi3".  Use V1DI mode for operand 0.
5946         ("mmx_psadbw"): Use V1DI mode for operand 0.
5947         * config/i386/i386-modes.def (V1SI): New vector mode.
5948         * config/i386/i386.c (struct builtin_description)
5949         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
5950         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
5951         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
5952         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
5953         v1di_ftype_v8qi_v8qi type.
5954         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
5955
5956         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
5957         __builtin_ia32_pmuludq]: Fix the mode of return value.
5958
5959 2008-03-15  Richard Guenther  <rguenther@suse.de>
5960
5961         PR middle-end/35595
5962         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
5963         being a PHI_NODE.
5964
5965 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
5966
5967         * doc/invoke.texi (Option Summary, Xtensa Options): Document
5968         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
5969         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
5970         unless TARGET_SERIALIZE_VOLATILE is enabled.
5971         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
5972         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
5973         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
5974
5975 2008-03-14  Richard Guenther  <rguenther@suse.de>
5976
5977         PR tree-optimization/34172
5978         * tree-flow.h (refs_may_alias_p): Declare.
5979         (get_single_def_stmt): Likewise.
5980         (get_single_def_stmt_from_phi): Likewise.
5981         (get_single_def_stmt_with_phi): Likewise.
5982         * tree-dfa.c (refs_may_alias_p): New function.
5983         (get_single_def_stmt): Likewise.
5984         (get_single_def_stmt_from_phi): Likewise.
5985         (get_single_def_stmt_with_phi): Likewise.
5986         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
5987         (vn_reference_lookup_1): New helper function.
5988         (vn_reference_lookup): Walk the virtual use-def chain to
5989         continue searching for a match if the def does not alias the
5990         reference we are looking for.
5991
5992 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
5993
5994         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
5995         archive and Perzl.  Update The Written Word listing.
5996
5997 2008-03-14  Richard Guenther  <rguenther@suse.de>
5998
5999         PR tree-optimization/34043
6000         PR tree-optimization/33989
6001         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
6002         when doing FRE.
6003         (bitmap_find_leader): Use extra argument to verify dominance
6004         relationship inside a basic-block.
6005         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
6006         (find_leader_in_sets): Adjust.
6007         (create_component_ref_by_pieces): Take extra argument for
6008         dominance check, handle lookup failures.
6009         (find_or_generate_expression): Likewise.
6010         (create_expression_by_pieces): Likewise.
6011         (insert_into_preds_of_block): Adjust.
6012         (create_value_expr_from): If asked for, verify all operands
6013         are in the blocks AVAIL_OUT set.
6014         (make_values_for_stmt): Check for SSA_NAMEs that are life
6015         over an abnormal edge.
6016         (compute_avail): Remove such check.
6017         (do_SCCVN_insertion): New function.
6018         (eliminate): If we do not find a leader suitable for replacement
6019         insert a replacement expression from SCCVN if available.
6020         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
6021         (struct vn_ssa_aux): Add needs_insertion flag.
6022         * tree-ssa-sccvn.c (may_insert): New global flag.
6023         (copy_reference_ops_from_ref): Value-number union member access
6024         based on its size, not type and member if insertion is allowed.
6025         (visit_reference_op_load): For a weak match from union type
6026         punning lookup a view-converted value and insert a SSA_NAME
6027         for that value if that is not found.
6028         (visit_use): Make dumps shorter.  Do not disallow value numbering
6029         SSA_NAMEs that are life over an abnormal edge to constants.
6030         (free_scc_vn): Release inserted SSA_NAMEs.
6031         (run_scc_vn): New flag to specify whether insertion is allowed.
6032         Process SSA_NAMEs in forward order.
6033         * tree-ssa-loop-im.c (for_each_index): Handle invariant
6034         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
6035         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
6036         pointer type to/from integral types that do not change the
6037         precision to regular conversions.
6038
6039 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
6040
6041         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
6042         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
6043         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
6044         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
6045         input arguments and the mode of return value.  Built-in functions
6046         that operate on whole 64-bit MMX register now use V1DI mode.
6047
6048 2008-03-13  Alon Dayan  <alond@il.ibm.com>
6049             Olga Golovanevsky  <olga@il.ibm.com>
6050
6051         PR tree-optimization/35041
6052         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
6053         to locate the right position in a statement.
6054
6055 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
6056
6057         PR target/34000
6058         PR target/35553
6059         * config/i386/xmmintrin.h:  Change all static inline functions to
6060         extern inline and add __gnu_inline__ attribute.
6061         * config/i386/bmintrin.h: Ditto.
6062         * config/i386/smmintrin.h: Ditto.
6063         * config/i386/tmmintrin.h: Ditto.
6064         * config/i386/mmintrin-common.h: Ditto.
6065         * config/i386/ammintrin.h: Ditto.
6066         * config/i386/emmintrin.h: Ditto.
6067         * config/i386/pmmintrin.h: Ditto.
6068         * config/i386/mmintrin.h: Ditto.
6069         * config/i386/mm3dnow.h: Ditto.
6070
6071 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
6072
6073         PR middle-end/35185
6074         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
6075         (lower_omp_2): New function.
6076         (lower_omp_1, lower_omp): Rewritten.
6077
6078 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
6079
6080         PR 35054
6081         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
6082         with the phrase "Microsoft Windows compilers".
6083         (Push/Pop Macro Pragmas): New subsection. Document
6084         #pragma push_macro and pragma pop_macro.
6085
6086 2008-03-12  Paul Brook  <paul@codesourcery.com>
6087
6088         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
6089
6090 2008-03-12  Paul Brook  <paul@codesourcery.com>
6091
6092         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
6093         (thumb2_alusi3_short): Exclude PLUS and MINUS.
6094         (thumb2_addsi_shortim): Rename ...
6095         (thumb2_addsi_short): ... to this.  Allow register operands.
6096         (thumb2_subsi_short): New pattern.
6097         (thumb2_one_cmplsi2_short,
6098         thumb2_negsi2_short): New patterns and peepholes.
6099
6100 2008-03-12  Paul Brook  <paul@codesourcery.com>
6101
6102         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
6103
6104 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
6105
6106         * config/i386/i386.md (int_cond): New code iterator.
6107         (fp_cond): Ditto.
6108         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
6109         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
6110         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
6111         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
6112         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
6113         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
6114         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
6115         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
6116
6117 2008-03-12  Paul Brook  <paul@codesourcery.com>
6118
6119         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
6120         instead of {arm,thumb}_compute_save_reg_mask.
6121         (output_return_instruction): Ditto.
6122         (thumb_unexpanded_epilogue): Ditto.
6123         (thumb1_expand_prologue): Ditto.
6124         (thumb1_output_function_prologue): Ditto.
6125         (arm_set_return_address): Ditto.
6126         (thumb_set_return_address): Ditto.
6127         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
6128         regs to achieve stack alignment.
6129         (thumb1_compute_save_reg_mask): Fix compiler warning.
6130         (arm_output_epilogue): Use offsets->saved_regs_mask.
6131         Adjust stack pointer by poping call clobered registers.
6132         (arm_expand_prologue): Use offsets->saved_regs_mask.
6133         Adjust stack pointer by pushing extra registers.
6134         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
6135
6136 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
6137
6138         PR tree-opt/35422
6139         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
6140         conversion to the operands of a multiplication.
6141
6142 2008-03-12  Richard Guenther  <rguenther@suse.de>
6143
6144         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
6145         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
6146         * timevar.def (TV_TREE_PHIPROP): Add.
6147         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
6148         pass description.  Use TV_TREE_PHIPROP.
6149         * tree-ssa-forwprop.c: Remove phiprop code.
6150
6151 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
6152
6153         PR middle-end/35549
6154         * omp-low.c (maybe_lookup_decl): Constify first argument.
6155         (use_pointer_for_field): Change last argument from bool to
6156         omp_context *.  Disallow shared copy-in/out in nested
6157         parallel if decl is shared in outer parallel too.
6158         (build_outer_var_ref, scan_sharing_clauses,
6159         lower_rec_input_clauses, lower_copyprivate_clauses,
6160         lower_send_clauses, lower_send_shared_vars): Adjust callers.
6161
6162 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
6163             Ira Rosen  <irar@il.ibm.com>
6164
6165         * tree-vectorizer.c (free_stmt_vec_info): New function.
6166         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
6167         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
6168         * tree-vectorizer.h (free_stmt_vec_info): Declare.
6169         * tree-vect-transform.c (vectorizable_conversion): Free
6170         vec_oprnds0 if it was allocated.
6171         (vect_permute_store_chain): Remove unused VECs.
6172         (vectorizable_store): Free VECs that are allocated in the..
6173         function.
6174         (vect_transform_strided_load, vectorizable_load): Likewise.
6175         (vect_remove_stores): Simplify the code.
6176         (vect_transform_loop): Move code to vect_remove_stores().
6177         Call vect_remove_stores() and free_stmt_vec_info().
6178
6179 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6180
6181         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
6182         TARGET_HPUX.  Revise comment.
6183         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
6184         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
6185         Use sr4 variant of `be' instruction when not generating PIC code.
6186         (attr_length_call): Adjust for above change.
6187
6188 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6189
6190         * ipa-reference.c (static_execute): Remove module_statics_const and
6191         associated setting code.
6192
6193 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
6194
6195         PR target/35540
6196         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
6197         predicate for operand 1.
6198         (paritysi2_cmp): Use register_operand predicate for operand 2.
6199         Use earlyclobber modifier for operand 1.  Remove support for
6200         memory operands.
6201         (paritydi2_cmp): Use register_operand predicate for operand 3.
6202         Use earlyclobber modifier for operand 1.  Remove support for
6203         memory operands.
6204
6205 2008-03-11  Paul Brook  <paul@codesourcery.com>
6206             Vladimir Prus  <vladimir@codesourcery.com>
6207
6208         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
6209         (arm_compute_save_reg0_reg12_mask): Always
6210         check if register 11 must be saved.  Always safe hard frame pointer
6211         when frame_pointer_needeed.
6212         (arm_compute_save_reg_mask): Save IP and PC
6213         only with apcs frames.
6214         (arm_output_epilogue): Adjust Thumb2 codepath to
6215         be also invoked and work for ARM non-apcs frames.
6216         (arm_expand_prologue): Don't bother saving IP
6217         for non-apcs frame, since it's not clobbered by
6218         prologue code.  Implement non-apcs frame
6219         layout.
6220
6221 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
6222
6223         PR rtl-optimization/35281
6224         * expr.c (convert_move): Use a new pseudo for the intermediate
6225         from_mode->word_mode result.
6226
6227 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
6228
6229         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
6230         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
6231         * toplev.c (compile_file): Don't call it.
6232
6233 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
6234
6235         PR middle-end/35526
6236         * expr.c (store_expr): Call emit_block_move if the mode
6237         of "temp" RTX is BLKmode.
6238
6239 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6240             Richard Guenther  <rguenther@suse.de>
6241
6242         PR tree-optimization/31358
6243         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
6244         the step with a NULL_TREE.
6245         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
6246         to sizetype if type is a pointer type.
6247         (add_candidate_1): Don't convert the base and step to
6248         the generic type if the orginal type is a pointer type.
6249         (add_iv_value_candidates): Use sizetype for the step
6250         if type is a pointer type.
6251         (cand_value_at): Likewise.
6252         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
6253         for pointer types.
6254         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
6255         Don't convert the tem affine to the type.
6256         (add_elt_to_tree): Use sizetype for the step if a pointer.
6257         Use POINTER_PLUS_EXPR for pointers.
6258         (aff_combination_to_tree): Use sizetype for the step if a
6259         pointer.
6260
6261 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
6262
6263         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
6264         Remove commutativity hint.
6265
6266 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
6267
6268         PR c/35438
6269         PR c/35439
6270         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
6271         errorneous type.  Check that v is a VAR_DECL.
6272
6273         PR middle-end/35099
6274         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
6275
6276 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
6277
6278         PR tree-optimization/35494
6279         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
6280         may be overriden at link and run time.
6281
6282 2008-03-10  Richard Guenther  <rguenther@suse.de>
6283
6284         PR tree-optimization/34677
6285         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
6286         (poolify_tree): Likewise.
6287         (modify_expr_template): Likewise.
6288         (poolify_modify_stmt): Likewise.
6289         (insert_fake_stores): Handle all component-ref style stores
6290         in addition to INDIRECT_REF.  Also handle complex types.
6291         Do not poolify the inserted load.
6292         (realify_fake_stores): Do not rebuild the tree but only
6293         make it a SSA_NAME copy.
6294         (init_pre): Remove initialzation of modify_expr_template.
6295         Do not allocate modify_expr_node_pool.
6296         (fini_pre): Do not free modify_expr_node_pool.
6297
6298 2008-03-10  Paul Brook  <paul@codesourcery.com>
6299
6300         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
6301         to avoid conflicts.
6302
6303 2008-03-10  Paul Brook  <paul@codesourcery.com>
6304             Mark Shinwell  <shinwell@codesourcery.com>
6305
6306         * config/arm/cortex-r4.md: New.
6307         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
6308         insn attributes.
6309         * config/arm/arm.md: Include cortex-r4.md.
6310         (insn): Add smmls, sdiv and udiv values.
6311         (generic_sched): Don't use generic scheduling for Cortex-R4.
6312         (arm_issue_rate): New function.
6313         (TARGET_SCHED_ISSUE_RATE): Define.
6314
6315 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
6316
6317         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
6318
6319 2008-03-10  Richard Guenther  <rguenther@suse.de>
6320
6321         * tree-ssa-pre.c (get_sccvn_value): Simplify.
6322         (compute_avail): Do not add stmt uses to AVAIL_OUT.
6323
6324 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
6325
6326         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
6327         Set default to true.
6328
6329 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6330
6331         * c.opt (Wsynth): Deprecate.
6332         * doc/invoke.texi (Option Summary, Warning Options): Document
6333         -Wno-format-contains-nul.
6334
6335 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
6336
6337         PR target/35496
6338         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
6339         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
6340
6341 2008-03-09  Ira Rosen  <irar@il.ibm.com>
6342
6343         * config/rs6000/rs6000.c (builtin_description): Rename vector
6344         left shift operations.
6345         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
6346         (altivec_vsl<VI_char>): Rename to ...
6347         (ashl<mode>3): ... new name.
6348         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
6349         gen_ashlv4si3.
6350         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
6351
6352 2008-03-08  Richard Guenther  <rguenther@suse.de>
6353
6354         * coverage.h (tree_coverage_counter_addr): Declare.
6355         * coverage.c (tree_coverage_counter_addr): New function.
6356         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
6357         before using again.
6358         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
6359         (tree_gen_one_value_profiler): Likewise.
6360         (tree_gen_ic_profiler): Likewise.
6361         (tree_gen_average_profiler): Likewise.
6362         (tree_gen_ior_profiler): Likewise.
6363
6364 2008-03-08  Richard Guenther  <rguenther@suse.de>
6365
6366         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
6367         (vn_binary_op_insert): Likewise.
6368         (vn_unary_op_lookup): Likewise.
6369         (vn_unary_op_insert): Likewise.
6370         (vn_nary_op_lookup): Declare.
6371         (vn_nary_op_insert): Likewise.
6372         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
6373         and binary hashes, use a single obstack for unary_op_pool
6374         and binary_op_pool.
6375         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
6376         a single struct vn_nary_op_s.  Store tree code length and
6377         a variable number of operands.
6378         (struct vn_reference_op_struct): Remove unused op2.
6379         (vn_reference_op_eq): Do not compare op2.
6380         (vn_reference_op_compute_hash): Do not compute hash of op2.
6381         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
6382         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
6383         with vn_nary_op_compute_hash.
6384         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
6385         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
6386         vn_nary_op_lookup.
6387         (vn_unary_op_insert, vn_binary_op_insert): Replace with
6388         vn_nary_op_insert.
6389         (visit_unary_op): Call nary functions.
6390         (visit_binary_op): Likewise.
6391         (process_scc): Adjust for struct vn_tables_s changes.
6392         (allocate_vn_table): Likewise.
6393         (free_vn_table): Likewise.
6394         * tree-vn.c (vn_add): Call nary functions.
6395         (vn_lookup): Likewise.
6396
6397 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
6398
6399         PR target/35498
6400         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
6401         wdst back after sync_compare_and_swapqhi_internal.
6402
6403 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
6404
6405         PR target/22152
6406         * config/i386/i386-modes.def (V1DI): New vector mode.
6407         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
6408         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
6409         (MMXMODE248): Ditto.
6410         (MMXMODE): Add V1DI mode.
6411         (mmxvecsize): Change DI mode to V1DI mode.
6412         ("mov<mode>): Use MMXMODEI8 mode iterator.
6413         ("*mov<mode>_internal_rex64"): Ditto.
6414         ("*mov<mode>_internal"): Ditto.
6415         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
6416         ("mmx_sub<mode>3"): Ditto.
6417         ("mmx_adddi3"): Remove insn pattern.
6418         ("mmx_subdi3"): Ditto.
6419         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
6420         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
6421         ("mmx_ashl<mode>3"): Ditto.
6422         ("mmx_lshrdi3"): Remove insn pattern.
6423         ("mmx_ashldi3"): Ditto.
6424         * config/i386/i386.c (classify_argument): Handle V1DImode.
6425         (function_arg_advance_32): Ditto.
6426         (function_arg_32): Ditto.
6427         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
6428         mmx_addv1di3 insn pattern.
6429         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
6430         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
6431         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
6432         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
6433         Remove definitions of built-in functions.
6434         (V1DI_type_node): New node.
6435         (v1di_ftype_v1di_int): Ditto.
6436         (v1di_ftype_v1di_v1di): Ditto.
6437         (v2si_ftype_v2si_si): Ditto.
6438         (v4hi_ftype_v4hi_di): Remove node.
6439         (v2si_ftype_v2si_di): Ditto.
6440         (ix86_init_mmx_sse_builtins): Handle V1DImode.
6441         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
6442         Redefine builtins using def_builtin_const with *_ftype_*_int node.
6443         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
6444         Add new builtins using def_builtin_const.
6445         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
6446         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
6447         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
6448         * config/i386/mmintrin.h (__v1di): New typedef.
6449         (_mm_add_si64): Cast arguments to __v1di type.
6450         (_mm_sub_si64): Ditto.
6451         (_mm_sll_pi16): Cast __count to __v4hi type.
6452         (_mm_sll_pi32): Cast __count to __v2si type.
6453         (_mm_sll_si64): Cast arguments to __v1di type.
6454         (_mm_srl_pi16): Cast __count to __v4hi type.
6455         (_mm_srl_pi32): Cast __count to __v2si type.
6456         (_mm_srl_si64): Cast arguments to __v1di type.
6457         (_mm_sra_pi16): Cast __count to __v4hi type.
6458         (_mm_sra_pi32): Cast __count to __v2si type.
6459         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
6460         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
6461         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
6462         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
6463         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
6464         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
6465         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
6466         (_mm_srai_pi32): Use __builtin_ia32_psradi.
6467         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
6468         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
6469         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
6470         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
6471
6472 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
6473
6474         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
6475
6476 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
6477
6478         PR target/35373
6479         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
6480         reg+const addressing for Altivec modes.  Don't generate reg+reg
6481         addressing for TFmode or TDmode quantities.
6482
6483 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
6484
6485         * c-common.c (vector_types_convertible_p): Call langhook
6486         instead of comptypes.
6487
6488 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6489
6490         PR tree-opt/35402
6491         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
6492         integral and scalar float variables which have a
6493         NULL DECL_INITIAL.
6494
6495 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
6496
6497         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
6498         dwarf_register_span hook when emitting unwind information for
6499         register-to-memory saves.
6500         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
6501         (rs6000_frame_related): Remove call to spe_synthesize_frame.
6502
6503 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
6504
6505         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
6506         for the same VAR_DECL.
6507
6508 2008-03-06  Tom Tromey  <tromey@redhat.com>
6509
6510         * treelang: Delete.
6511         * doc/standards.texi (Standards): Don't mention treelang.
6512         * doc/invoke.texi (Overall Options): Don't mention treelang.
6513         * doc/install.texi (Prerequisites): Don't mention bison or
6514         treelang.
6515         (Configuration): Don't mention treelang.
6516         (Building): Likewise.
6517         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
6518
6519 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
6520
6521         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
6522         word-extractions out of a multi-word object.
6523
6524 2008-03-06  Richard Guenther  <rguenther@suse.de>
6525
6526         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
6527         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
6528         result type and precision.
6529         * expr.c (get_inner_reference): Set unsignedp based on the result
6530         type of BIT_FIELD_REF.
6531         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
6532         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
6533         (try_instantiate_multiple_fields): Likewise.  Use the correct type
6534         for BIT_FIELD_REF.
6535         (sra_build_assignment): Likewise.
6536         (sra_build_elt_assignment): Likewise.
6537         (sra_explode_bitfield_assignment): Likewise.
6538         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
6539         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
6540         set BIT_FIELD_REF_UNSIGNED.
6541         (vectorizable_load): Likewise.
6542
6543 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
6544
6545         * cse.c (cse_extended_basic_block): Invalidate artificial defs
6546         at bb start.
6547
6548 2008-03-06  Richard Guenther  <rguenther@suse.de>
6549
6550         * alias.c (struct alias_set_entry): Move has_zero_child field
6551         to pack with alias_set.
6552
6553 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
6554
6555         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
6556         32bit host.
6557
6558 2008-03-05  Ian Lance Taylor  <iant@google.com>
6559
6560         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
6561
6562 2008-03-05  Kenneth Zadeck  <zadeck@naturalbridge.com>
6563
6564         * fwprop.c (update_df): Support width and offset parameters of
6565         df_ref_create.
6566         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
6567         global_conflicts): Change DF_REF_EXTRACT to either
6568         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
6569         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
6570         * df-scan.c (df_ref_record, df_defs_record,
6571         df_ref_create_structure, df_def_record_1, df_uses_record,
6572         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
6573         df_bb_refs_collect, df_entry_block_defs_collect,
6574         df_exit_block_uses_collect): Support new width and offset fields.
6575         (ref_extract_pool): New storage pool.
6576         (df_free_ref): New function.
6577         (df_reg_chain_unlink, df_free_collection_rec,
6578         df_sort_and_compress_refs): Call df_free_ref.
6579         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
6580         of df_ref_extract.
6581         (df_ref_create_structure): Allocate df_ref_extract if offset and
6582         width fields are used.
6583         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
6584         (df_uses_record): Get offset and width from ZERO_EXTRACT
6585         and SIGN_EXTRACT.
6586         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
6587         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
6588         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
6589         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
6590         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
6591         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
6592         (df_ref_extract): New structure.
6593         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
6594         (df_ref_create): Add width and offset parameters.
6595
6596 2008-03-05  Richard Guenther  <rguenther@suse.de>
6597
6598         * tree-ssa-structalias.c (get_constraint_for_component_ref):
6599         Use ranges_overlap_p.
6600         (offset_overlaps_with_access): Rename
6601         to ranges_overlap_p and move ...
6602         * tree-flow-inline.h (ranges_overlap_p): ... here.
6603
6604         * tree.h (get_inner_reference, handled_component_p): Update
6605         comments.
6606
6607         * tree.h (record_component_aliases, get_alias_set,
6608         alias_sets_conflict_p, alias_sets_must_conflict_p,
6609         objects_must_conflict_p): Move declarations ...
6610         * alias.h (record_component_aliases, get_alias_set,
6611         alias_sets_conflict_p, alias_sets_must_conflict_p,
6612         objects_must_conflict_p): ... here.
6613         Include coretypes.h.
6614         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
6615
6616 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
6617
6618         * cfg.c: Include tree-flow.h.
6619         (remove_edge_raw): Call redirect_edge_var_map_clear.
6620         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
6621         * tree-flow-inline.h (redirect_edge_var_map_def): New.
6622         (redirect_edge_var_map_result): New.
6623         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
6624         PENDING_STMT use with redirect_edge_var_map_*.
6625         * tree-ssa.c (edge_var_maps): New definition.
6626         (redirect_edge_var_map_add): New.
6627         (redirect_edge_var_map_clear): New.
6628         (redirect_edge_var_map_dup): New.
6629         (redirect_edge_var_map_vector): New.
6630         (redirect_edge_var_map_destroy): New.
6631         (ssa_redirect_edge): Replace PENDING_STMT use with
6632         redirect_edge_var_map_*.
6633         (flush_pending_stmts): Same.
6634         (delete_tree_ssa): Destroy edge var map.
6635         * tree-flow.h (struct _edge_var_map): New.
6636         Define edge_var_map vector type.
6637         Declare redirect_edge_var_map_* prototypes.
6638         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
6639         * tree-cfg.c (reinstall_phi_args): Replace
6640         PENDING_STMT use with redirect_edge_var_map_*.
6641
6642 2008-03-05  Richard Guenther  <rguenther@suse.de>
6643
6644         PR tree-optimization/35472
6645         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
6646         whose single use_stmt has a overlapping set of loaded and
6647         stored symbols as that use_stmt might be a noop assignment then.
6648
6649 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
6650
6651         * gthr-rtems.h: Implement __gthread_mutex_destroy.
6652
6653 2008-03-05  Richard Guenther  <rguenther@suse.de>
6654
6655         PR c++/35336
6656         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
6657         should be constants.
6658         * tree-cfg.c (verify_expr): Verify it.
6659         * fold-const.c (fold_truthop): Remove code generating
6660         BIT_FIELD_REFs of structure bases.
6661         (fold_binary): Likewise.
6662         (fold_ternary): Position and size of BIT_FIELD_REFs are
6663         always host integers.
6664         (make_bit_field_ref): Remove.
6665         (optimize_bit_field_compare): Remove.
6666         (all_ones_mask_p): Remove.
6667
6668 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
6669
6670         PR gcc/33009
6671         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
6672         (split_block_and_df_analyze): New. Split basic block and rebuild
6673         dataflow.
6674         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
6675         SPLIT_BLOCK.
6676         (split_pattern_seq): Likewise.
6677         (erase_matching_seqs): Likewise.
6678         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
6679
6680 2008-03-04  Geoff Keating  <geoffk@apple.com>
6681
6682         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
6683         declaration and code.
6684         (tree_invalid_nonnegative_warnv_p): Likewise.
6685
6686 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
6687
6688         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
6689         examples.  Truncate option-names then causing overfull hbox.
6690
6691 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6692
6693         PR target/35222
6694         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
6695         on hpux10.
6696         * configure: Rebuilt.
6697
6698 2008-03-04  Rafael Espindola  <espindola@google.com>
6699
6700         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
6701         (tree_unary_nonnegative_warnv_p): New.
6702         (tree_binary_nonnegative_warnv_p): New.
6703         (tree_single_nonnegative_warnv_p): New.
6704         (tree_invalid_nonnegative_warnv_p): New.
6705         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
6706
6707 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6708
6709         PR 28322
6710         * opts.c (handle_option): Postpone 'unknown option' errors only for
6711         warning options.
6712
6713 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
6714
6715         PR target/35453
6716         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
6717         (_SIDD_XXX): This.
6718
6719 2008-03-04  Rafael Espindola  <espindola@google.com>
6720
6721         * fold-const.c (tree_unary_nonzero_warnv_p): New.
6722         (tree_binary_nonzero_warnv_p): New.
6723         (tree_single_nonzero_warnv_p): New.
6724         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
6725
6726 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
6727
6728         PR middle-end/35456
6729         * fold-const.c (fold_cond_expr_with_comparison): Prevent
6730         transformations for modes that have signed zeros.
6731         * ifcvt.c (noce_try_abs): Ditto.
6732
6733 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
6734
6735         * config/i386/i386.c (override_options): Force
6736         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
6737
6738 2008-03-04  Jan Hubicka  <jh@suse.cz>
6739
6740         PR c++/35262
6741         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
6742         in last commit.
6743
6744 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
6745
6746         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
6747         label to probe the stack.
6748
6749 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
6750
6751         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
6752         (__gthr_win32_mutex_destroy): Declare.
6753         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
6754         __gthr_win32_mutex_destroy.
6755         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
6756
6757 2008-03-03  Jan Hubicka  <jh@suse.cz>
6758
6759         PR c++/35262
6760         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
6761         aggressive on inlining cold calls.
6762
6763 2008-03-03  Richard Guenther  <rguenther@suse.de>
6764
6765         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
6766         struct copies into the expression table.
6767         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
6768         (try_to_simplify): Likewise.
6769         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
6770         integral and pointer arguments which do not change the
6771         precision to NOP_EXPRs.
6772         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
6773         VIEW_CONVERT_EXPR case.
6774
6775 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
6776
6777         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
6778         defined in a loop at depth 0 is invariant.
6779         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
6780         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
6781         be called at loop depth 0.
6782
6783 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
6784
6785         PR driver/35420
6786         * gcc.c (process_command): Update copyright notice dates.
6787         * gcov.c (print_version): Likewise.
6788         * gcov-dump.c (print_version): Likewise.
6789         * mips-tfile.c (main): Likewise.
6790         * mips-tdump.c (main): Likewise.
6791
6792 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6793
6794         PR 24924
6795         * c-common.c (flag_permissive): Delete.
6796         (constant_expression_warnings): Check flags first.
6797         (constant_expression_error): New.
6798         * c-common.h (flag_permissive): Delete.
6799         (constant_expression_error): Declare.
6800         * flags.h (flag_permissive): Declare. Update description.
6801         * diagnostic.c (pedwarn): Update.
6802         (permerror): New.
6803         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
6804         (permissive_error_kind): New.
6805         * toplev.c (flag_permissive): Define. Update description.
6806         * toplev.h (permissive_error_kind): Declare.
6807         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
6808         (pedwarn_c90): Use pedantic_warning_kind.
6809         * c-opts.c (c_common_post_options): flag_permissive does not affect
6810         flag_pedantic_errors.
6811
6812 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
6813
6814         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
6815         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
6816         __absvsi2, __absvDI2): Use unsigned arithmetic.
6817
6818 2008-03-02  Andi Kleen  <ak@suse.de>
6819             Richard Guenther  <rguenther@suse.de>
6820
6821         * struct-equiv.c: Remove file.
6822         * cfg_cleanup.c (condjump_equiv_p): Remove.
6823         * Makefile.in (OBJS-common): Remove struct-equiv.o.
6824         (struct-equiv.o): Remove rule.
6825         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
6826         insns_match_p, struct_equiv_block_eq, struct_equiv_init,
6827         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
6828
6829 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
6830
6831         * ifcvt.c (noce_process_if_block): Try to handle only the then
6832         block if the else block exists but isn't suitable.
6833
6834 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
6835
6836         PR gcc/35063
6837         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
6838         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
6839         regression from previous patch.
6840
6841 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
6842
6843         PR gcc/35063
6844         * gthr.h: Add __gthread_mutex_destroy as a function that must be
6845         implemented.
6846         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
6847         * gthr-single.h (__gthread_mutex_destroy): Likewise.
6848         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
6849         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
6850         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
6851         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
6852         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
6853         (__gthread_mutex_destroy_function): Rename to
6854         __gthread_mutex_destroy.
6855         * gthr-dce.h (__gthread_mutex_destroy): Call
6856         pthread_mutex_destroy.
6857         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
6858         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
6859         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
6860
6861 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
6862
6863         * df-scan.c (df_ref_chain_change_bb): Simplify.
6864         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
6865         set_block_for_insn if there's any change.
6866         * df.h ((df_insn_change_bb): Fix prototype.
6867         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
6868         df_insn_change_bb, don't call set_block_for_insn.
6869         * emit-rtl.c (reorder_insns): Likewise.
6870         * haifa-sched.c (move_insn): Likewise.
6871
6872 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
6873
6874         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
6875
6876 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
6877
6878         * tree-flow-inline.h (next_readonly_imm_use): Return
6879         NULL_USE_OPERAND_P after the end.
6880
6881 2008-03-01  Richard Guenther  <rguenther@suse.de>
6882
6883         PR tree-optimization/35411
6884         * tree-sra.c (sra_build_assignment): Split conversion to
6885         final type to a separate statement if we are not assigning
6886         to a register.
6887
6888 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
6889
6890         * fold-const.c (fold_convertible_p): Correct the logic to follow
6891         that in fold_convert().
6892
6893 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
6894
6895         PR c++/35315
6896         * tree-inline.c (build_duplicate_type): When we make a
6897         duplicate type, make it unique in the canonical types system.
6898
6899 2008-02-29  Tom Tromey  <tromey@redhat.com>
6900
6901         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
6902         input_file_stack_history, input_file_stack_restored): Remove.
6903         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
6904         * input.h (struct file_stack): Remove.
6905         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
6906         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
6907         Likewise.
6908         * diagnostic.h (struct diagnostic_context) <last_module>: Change
6909         type.
6910         (diagnostic_last_module_changed): Add 'map' argument.
6911         (diagnostic_set_last_function): Likewise.
6912         * diagnostic.c (undiagnostic_report_current_module): Iterate using
6913         line map, not input_file_stack.
6914         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
6915
6916 2008-02-29  Paul Brook  <paul@codesourcery.com>
6917
6918         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
6919
6920 2008-02-29  Paul Brook  <paul@codesourcery.com>
6921
6922         * config/arm/ieee754-df.S (muldf3): Use RET macros.
6923
6924 2008-02-29  Richard Guenther  <rguenther@suse.de>
6925
6926         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
6927         vn_lookup_or_add.
6928         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
6929         value for comparing for a store match.
6930         (simplify_unary_expression): Do nothing for SSA_NAMEs.
6931         (try_to_simplify): Do not do a full-blown reference lookup.
6932
6933 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
6934
6935         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
6936         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
6937
6938         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
6939
6940 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
6941
6942         * tree-loop-linear.c (try_interchange_loops): Compare memory access
6943         strides against cache sizes.
6944
6945 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
6946
6947         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
6948         constant to fpul.
6949
6950 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
6951
6952         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
6953         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
6954         is smaller than the original promoted value.
6955         (simplify_subreg): If OP is a SUBREG, try to preserve its
6956         SUBREG_PROMOTED_VAR_P information.
6957
6958 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
6959
6960         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
6961         (VN_INFO_GET): Allocate new objects on the obstack.
6962         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
6963         for rpo_numbers_temp, for consistency.
6964         (free_scc_vn): Free the obstack.
6965
6966 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
6967
6968         * doc/invoke.texi: Document -ftree-loop-distribution.
6969         * tree-loop-distribution.c: New.
6970         * tree-pass.h (pass_loop_distribution): New.
6971         * graphds.h (struct graph): Add htab_t indices.
6972         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6973         * tree-vectorizer.c (rename_variables_in_loop): Extern.
6974         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
6975         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
6976         * tree-data-ref.c (debug_data_dependence_relations): New.
6977         (dump_data_dependence_relation): Also print data references.
6978         (free_data_ref): Extern.
6979         (same_access_functions): Moved...
6980         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
6981         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6982         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
6983         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
6984         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
6985         (stmts_from_loop): Skip LABEL_EXPR.
6986         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
6987         New.
6988         (build_rdg): Initialize rdg->indices htab.
6989         (free_rdg, stores_from_loop, ref_base_address,
6990         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
6991         have_similar_memory_accesses_1, ref_base_address_1,
6992         remove_similar_memory_refs): New.
6993         * tree-data-ref.h: Depend on tree-chrec.h.
6994         (debug_data_dependence_relations, free_data_ref): Declared.
6995         (same_access_functions): ... here.
6996         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
6997         New.
6998         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
6999         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
7000         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
7001         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
7002         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
7003         rdg_vertex_for_stmt): Declared.
7004         (struct rdg_edge): Add level.
7005         (RDGE_LEVEL): New.
7006         (free_rdg, stores_from_loop, remove_similar_memory_refs,
7007         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
7008         Declared.
7009         (rdg_has_similar_memory_accesses): New.
7010         * tree-vect-analyze.c: Remove unused static decls.
7011         * lambda.h (dependence_level): New.
7012         * common.opt (ftree-loop-distribution): New.
7013         * tree-flow.h (mark_virtual_ops_in_bb,
7014         slpeel_tree_duplicate_loop_to_edge_cfg,
7015         rename_variables_in_loop): Declared.
7016         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
7017         (OBJS-common): Add tree-loop-distribution.o.
7018         (tree-loop-distribution.o): New rule.
7019         * tree-cfg.c (mark_virtual_ops_in_bb): New.
7020         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
7021         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
7022
7023 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
7024
7025         PR target/33963
7026         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
7027         other than structures and unions.
7028
7029 2008-02-28  Richard Guenther  <rguenther@suse.de>
7030
7031         Revert:
7032         2008-02-26  Richard Guenther  <rguenther@suse.de>
7033
7034         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
7035         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
7036         (lookup_decl_from_uid): Declare.
7037         (remove_decl_from_map): Likewise.
7038         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
7039         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
7040         (decl_for_uid_map): New global hashtable mapping DECL_UID
7041         to the decl tree.
7042         (init_ttree): Allocate it.
7043         (insert_decl_to_uid_decl_map): New helper function.
7044         (make_node_stat): Insert new decls into the map.
7045         (copy_node_stat): Likewise.
7046         (lookup_decl_from_uid): New function.
7047         (remove_decl_from_map): Likewise.
7048         (print_decl_for_uid_map_statistics): New helper.
7049         (dump_tree_statistics): Call it.
7050
7051         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
7052         (referenced_var_iterator): Adjust.
7053         (FOR_EACH_REFERENCED_VAR): Adjust.
7054         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
7055         (num_referenced_vars): Adjust.
7056         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
7057         (first_referenced_var): Remove.
7058         (end_referenced_vars_p): Likewise.
7059         (next_referenced_var): Likewise.
7060         (referenced_var_iterator_set): New helper function.
7061         * tree-dfa.c (referenced_var_lookup): Adjust.
7062         (referenced_var_check_and_insert): Likewise.
7063         (remove_referenced_var): Likewise.
7064         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
7065         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7066         (verify_call_clobbering): Likewise.
7067         (verify_memory_partitions): Likewise.
7068         (init_tree_ssa): Allocate bitmap instead of hashtable for
7069         referenced_vars.
7070         (delete_tree_ssa): Adjust.
7071         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
7072         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7073         (compute_tag_properties): Likewise.
7074         (set_initial_properties): Likewise.
7075         (find_partition_for): Likewise.
7076         (update_reference_counts): Likewise.
7077         (dump_may_aliases_for): Likewise.
7078         * tree-ssa-operands.c (add_virtual_operand): Likewise.
7079         (add_call_clobber_ops): Likewise.
7080         (add_call_read_ops): Likewise.
7081         (get_asm_expr_operands): Likewise.
7082         * tree-into-ssa.c (dump_decl_set): Likewise.
7083         (update_ssa): Likewise.
7084         * tree-sra.c (scan_function): Likewise.
7085         (decide_instantiations): Likewise.
7086         (scalarize_parms): Likewise.
7087         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
7088         (dsa_named_for): Likewise.
7089         * tree-ssa-structalias.c (update_alias_info): Likewise.
7090         (merge_smts_into): Likewise.
7091
7092 2008-02-27  David Daney  <ddaney@avtrex.com>
7093
7094         PR target/34409
7095         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
7096         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
7097         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
7098         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
7099         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
7100
7101 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
7102
7103         PR target/25477
7104         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
7105         (BUILT_IN_NEXTTOWARD): Remove.
7106         (BUILT_IN_NEXTTOWARDF): Ditto.
7107         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
7108         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
7109
7110 2008-02-27  Tom Tromey  <tromey@redhat.com>
7111
7112         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
7113         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
7114
7115 2008-02-27  Jan Beulich  <jbeulich@novell.com>
7116
7117         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
7118         update the respective field on newdecl.
7119
7120 2008-02-27  Revital Eres  <eres@il.ibm.com>
7121
7122         PR rtl-optimization/34999
7123         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
7124         crossing edges that ends with a call insn.
7125         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
7126         call insn and clear the EDGE_CROSSING flag of the crossing edge
7127         when fixing fallthru edges.
7128
7129 2008-02-27  Richard Guenther  <rguenther@suse.de>
7130
7131         PR middle-end/35390
7132         * fold-const.c (fold_unary): Return the correct argument,
7133         converted to the result type.
7134
7135 2008-02-27  Richard Guenther  <rguenther@suse.de>
7136
7137         PR middle-end/34971
7138         * expr.c (expand_expr_real_1): Assert on rotates that operate
7139         on partial modes.
7140         * fold-const.c (fold_binary): Use the types precision, not the
7141         bitsize of the mode if folding rotate expressions.  Build rotates
7142         only for full modes.
7143
7144 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
7145
7146         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
7147         and CPP_PRAGMA_EOL.
7148         * c-pragma.c (pragma_ns_name): New typedef.
7149         (registered_pp_pragmas): New variable.
7150         (c_pp_lookup_pragma): New function.
7151         (c_register_pragma_1): If flag_preprocess_only, do nothing
7152         for non-expanded pragmas, for expanded ones push pragma's
7153         namespace and name into registered_pp_pragmas vector.
7154         (c_invoke_pragma_handler): Register OpenMP pragmas even when
7155         flag_preprocess_only, don't register GCC pch_preprocess
7156         pragma if flag_preprocess_only.
7157         * c-opts.c (c_common_init): Call init_pragma even if
7158         flag_preprocess_only.
7159         * c-pragma.c (c_pp_lookup_pragma): New prototype.
7160         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
7161         cpp_register_pragma if flag_preprocess_only.
7162
7163 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7164
7165         PR c/28800
7166         * c-parser.c (c_parser_translation_unit): Warn for empty
7167         translation unit, not empty source file.
7168
7169 2008-02-26  Paul Brook  <paul@codesourcery.com>
7170
7171         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
7172         operand for Thumb-2.
7173         * config/arm/arm.h (reg_class): Add CORE_REGS.
7174         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
7175         (BASE_REG_CLASS): Use CORE_REGS.
7176         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
7177         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
7178         (REGNO_OK_FOR_INDEX_P): Exclude SP.
7179         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
7180         ARM_REGNO_OK_FOR_INDEX_P.
7181         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
7182         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
7183         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
7184         (ldm/stm peepholes): Ditto.
7185         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
7186         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
7187         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
7188         * config/arm/constraints.md: Enable "k" constraint on ARM.
7189
7190 2008-02-27  Ben Elliston  <bje@au.ibm.com>
7191
7192         * config/rs6000/rs6000.c: Annotate cache line size field in all
7193         instances of struct processor_costs.
7194
7195 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
7196
7197         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
7198         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
7199         jump_bypass): New counters.
7200         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
7201         * dce.c (gate_ud_dce): Same.
7202         (gate_fast_dce): Same.
7203         * dse.c (gate_dse1): New function.
7204         (gate_dse2): New function.
7205         (gate_dse): Merge results of new gate functions.
7206         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
7207         (gate_handle_jump_bypass): Add dbg_cnt.
7208         (gate_handle_gcse): Add dbg_cnt.
7209         * ifcvt.c (gate_handle_if_conversion): Same.
7210         (gate_handle_if_after_combine): Same.
7211         (gate_handle_if_after_reload): Same.
7212         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
7213
7214 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
7215
7216         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
7217         line sizes.
7218         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
7219
7220 2008-02-26  Jason Merrill  <jason@redhat.com>
7221
7222         PR c++/35315
7223         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
7224         alone if it's the naming decl for the type's main variant.
7225
7226 2008-02-26  Tom Tromey  <tromey@redhat.com>
7227
7228         * system.h (USE_MAPPED_LOCATION): Poison.
7229         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
7230         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
7231         (make_goto_expr_edges): Likewise.
7232         (remove_bb): Likewise.
7233         (execute_warn_function_return): Likewise.
7234         * basic-block.h (struct edge_def) <goto_locus>: Change type to
7235         location_t.
7236         * c-common.c (fname_decl): Remove old location code.
7237         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
7238         location code.
7239         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
7240         variant.
7241         (ASM_INPUT_SOURCE_LOCATION): Likewise.
7242         (gen_rtx_ASM_INPUT): Likewise.
7243         (gen_rtx_ASM_INPUT_loc): Likewise.
7244         (get_rtx_asm_OPERANDS): Remove.
7245         * cfglayout.c (insn_locators_alloc): Remove old location code.
7246         (set_curr_insn_source_location): Likewise.
7247         (curr_insn_locator): Likewise.
7248         * print-tree.c (print_node): Remove old location code.
7249         * tree-mudflap.c (mf_varname_tree): Remove old location code.
7250         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
7251         * cfgexpand.c (expand_gimple_cond_expr): Don't use
7252         location_from_locus.
7253         (construct_exit_block): Remove old location code.
7254         * emit-rtl.c (force_next_line_note): Remove old location code.
7255         * profile.c (branch_prob): Remove old location code.
7256         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
7257         LOC_LINE): Remove old-location variants.
7258         * langhooks.c (lhd_print_error_function): Remove old location
7259         code.
7260         * configure, config.in: Rebuilt.
7261         * configure.ac (--enable-mapped-location): Remove.
7262         * c-decl.c (c_init_decl_processing): Remove old location code.
7263         (finish_function): Likewise.
7264         * recog.c (decode_asm_operands): Remove old location code.
7265         * c-pch.c (c_common_read_pch): Remove old location code.
7266         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
7267         variants.
7268         * gimple-low.c (lower_function_body): Remove old location code.
7269         * toplev.c (unknown_location): Remove.
7270         (push_srcloc): Remove old-location variant.
7271         (process_options): Remove old location code.
7272         (lang_dependent_init): Likewise.
7273         * input.h (UNKNOWN_LOCATION): Move definition.
7274         (location_t): Undeprecate.
7275         (source_locus): Remove.
7276         (location_from_locus): Remove.
7277         (struct location_s): Remove.
7278         Remove all old-location code.
7279         (input_line, input_filename): Remove.
7280         * final.c (final_scan_insn): Remove old location code.
7281         * diagnostic.c (diagnostic_build_prefix): Remove
7282         USE_MAPPED_LOCATION test.
7283         * tree.h (gimple_stmt) <locus>: Now a location_t.
7284         (tree_exp) <locus>: Likewise.
7285         (DECL_IS_BUILTIN): Remove old-location variant.
7286         (annotate_with_file_line, annotate_with_locus): Likewise.
7287         (expr_locus, set_expr_locus): Update.
7288         * tree.c (build1_stat): Remove old location code.
7289         (last_annotated_node): Remove.
7290         (annotate_with_file_line): Remove old-location variant.
7291         (annotate_with_locus): Likewise.
7292         (expr_location): Remove old location code.
7293         (set_expr_location): Likewise.
7294         (expr_has_location): Likewise.
7295         (expr_locus): Likewise.
7296         (set_expr_locus): Likewise.
7297         (expr_filename): Don't use location_from_locus.
7298         (expr_lineno): Likewise.
7299         * rtl-error.c (location_for_asm): Remove old location code.
7300         * c-lex.c (cb_line_change): Remove old location code.
7301         (fe_file_change): Likewise.
7302         (cb_def_pragma): Likewise.
7303         (c_lex_with_flags): Likewise.
7304         * gengtype.c (do_typedef): Don't special-case location types.
7305         (define_location_structures): Remove.
7306         (main): Don't call define_location_structures.
7307         * tree-pretty-print.c (dump_implicit_edges): Remove old location
7308         code.
7309
7310 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7311
7312         PR 26264
7313         * builtins.def (BUILT_IN_STDARG_START): Remove.
7314         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
7315         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
7316         * tree-inline.c (inline_forbidden_p_1): Likewise.
7317
7318 2008-02-26  Richard Guenther  <rguenther@suse.de>
7319
7320         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
7321         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
7322         (lookup_decl_from_uid): Declare.
7323         (remove_decl_from_map): Likewise.
7324         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
7325         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
7326         (decl_for_uid_map): New global hashtable mapping DECL_UID
7327         to the decl tree.
7328         (init_ttree): Allocate it.
7329         (insert_decl_to_uid_decl_map): New helper function.
7330         (make_node_stat): Insert new decls into the map.
7331         (copy_node_stat): Likewise.
7332         (lookup_decl_from_uid): New function.
7333         (remove_decl_from_map): Likewise.
7334         (print_decl_for_uid_map_statistics): New helper.
7335         (dump_tree_statistics): Call it.
7336
7337         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
7338         (referenced_var_iterator): Adjust.
7339         (FOR_EACH_REFERENCED_VAR): Adjust.
7340         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
7341         (num_referenced_vars): Adjust.
7342         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
7343         (first_referenced_var): Remove.
7344         (end_referenced_vars_p): Likewise.
7345         (next_referenced_var): Likewise.
7346         (referenced_var_iterator_set): New helper function.
7347         * tree-dfa.c (referenced_var_lookup): Adjust.
7348         (referenced_var_check_and_insert): Likewise.
7349         (remove_referenced_var): Likewise.
7350         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
7351         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7352         (verify_call_clobbering): Likewise.
7353         (verify_memory_partitions): Likewise.
7354         (init_tree_ssa): Allocate bitmap instead of hashtable for
7355         referenced_vars.
7356         (delete_tree_ssa): Adjust.
7357         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
7358         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7359         (compute_tag_properties): Likewise.
7360         (set_initial_properties): Likewise.
7361         (find_partition_for): Likewise.
7362         (update_reference_counts): Likewise.
7363         (dump_may_aliases_for): Likewise.
7364         * tree-ssa-operands.c (add_virtual_operand): Likewise.
7365         (add_call_clobber_ops): Likewise.
7366         (add_call_read_ops): Likewise.
7367         (get_asm_expr_operands): Likewise.
7368         * tree-into-ssa.c (dump_decl_set): Likewise.
7369         (update_ssa): Likewise.
7370         * tree-sra.c (scan_function): Likewise.
7371         (decide_instantiations): Likewise.
7372         (scalarize_parms): Likewise.
7373         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
7374         (dsa_named_for): Likewise.
7375         * tree-ssa-structalias.c (update_alias_info): Likewise.
7376         (merge_smts_into): Likewise.
7377
7378 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7379
7380         PR 34351
7381         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
7382         * c-opts.c (c_common_handle_option): Wall enables
7383         Wvolatile-register-var.
7384         * common.opt: Move Wvolatile-register-var to...
7385         * c.opt: ...here.
7386
7387 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7388
7389         * common.opt (Wlarger-than=): New.
7390         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
7391         -Wlarger-than=.
7392         * opts.c (common_handle_option): Handle -Wlarger-than=.
7393         * optc-gen.awk: Likewise.
7394         * opth-gen.awk: Likewise.
7395         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
7396         * tree-optimize.c (tree_rest_of_compilation): Likewise.
7397
7398 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7399
7400         * c-common.c (match_case_to_enum_1): Add appropriate
7401         OPT_W* parameter to warning.
7402         (c_do_switch_warnings): Likewise.
7403         * c-typeck.c (warning_init): Add one more parameter following
7404         'warning' function.
7405         (push_init_level): Update call to warning_init.
7406         (pop_init_level): Likewise.
7407         (add_pending_init): Likewise.
7408         (output_init_element: Likewise.
7409
7410 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7411
7412         PR 28322
7413         * toplev.c (toplev_main): If there are warnings or error, print
7414         errors for ignored options.
7415         * opts.c (ignored_options): New static variable.
7416         (postpone_unknown_option_error): New.
7417         (print_ignored_options): New.
7418         (handle_option): Postpone errors for unknown -Wno-* options.
7419         * opts.h (print_ignored_options): Declare.
7420
7421 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
7422
7423         * config/mips/mips.md (loadgp_blockage, blockage): Change type
7424         to "ghost".
7425
7426 2008-02-25  Richard Guenther  <rguenther@suse.de>
7427
7428         Revert:
7429         2008-02-25  Richard Guenther  <rguenther@suse.de>
7430
7431         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
7432         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
7433         (lookup_decl_from_uid): Declare.
7434         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
7435         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
7436         (decl_for_uid_map): New global hashtable mapping DECL_UID
7437         to the decl tree.
7438         (init_ttree): Allocate it.
7439         (insert_decl_to_uid_decl_map): New helper function.
7440         (make_node_stat): Insert new decls into the map.
7441         (copy_node_stat): Likewise.
7442         (lookup_decl_from_uid): New function.
7443         (print_decl_for_uid_map_statistics): New helper.
7444         (dump_tree_statistics): Call it.
7445
7446         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
7447         (referenced_var_iterator): Adjust.
7448         (FOR_EACH_REFERENCED_VAR): Adjust.
7449         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
7450         (num_referenced_vars): Adjust.
7451         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
7452         (first_referenced_var): Remove.
7453         (end_referenced_vars_p): Likewise.
7454         (next_referenced_var): Likewise.
7455         (referenced_var_iterator_set): New helper function.
7456         * tree-dfa.c (referenced_var_lookup): Adjust.
7457         (referenced_var_check_and_insert): Likewise.
7458         (remove_referenced_var): Likewise.
7459         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
7460         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7461         (verify_call_clobbering): Likewise.
7462         (verify_memory_partitions): Likewise.
7463         (init_tree_ssa): Allocate bitmap instead of hashtable for
7464         referenced_vars.
7465         (delete_tree_ssa): Adjust.
7466         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
7467         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7468         (compute_tag_properties): Likewise.
7469         (set_initial_properties): Likewise.
7470         (find_partition_for): Likewise.
7471         (update_reference_counts): Likewise.
7472         (dump_may_aliases_for): Likewise.
7473         * tree-ssa-operands.c (add_virtual_operand): Likewise.
7474         (add_call_clobber_ops): Likewise.
7475         (add_call_read_ops): Likewise.
7476         (get_asm_expr_operands): Likewise.
7477         * tree-into-ssa.c (dump_decl_set): Likewise.
7478         (update_ssa): Likewise.
7479         * tree-sra.c (scan_function): Likewise.
7480         (decide_instantiations): Likewise.
7481         (scalarize_parms): Likewise.
7482         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
7483         (dsa_named_for): Likewise.
7484         * tree-ssa-structalias.c (update_alias_info): Likewise.
7485         (merge_smts_into): Likewise.
7486
7487 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
7488
7489         PR fortran/29549
7490         * doc/invoke.texi (-fcx-limited-range): Document new option.
7491         * toplev.c (process_options): Handle -fcx-fortran-rules.
7492         * common.opt: Add documentation for -fcx-fortran-rules.
7493
7494 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
7495
7496         PR c/35162
7497         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
7498         actual behaviour and C99.
7499
7500 2008-02-26  Ben Elliston  <bje@au.ibm.com>
7501
7502         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
7503         (ASM_CPU_POWER6_SPEC): Likewise.
7504         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
7505         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
7506         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
7507
7508 2008-02-25  Richard Guenther  <rguenther@suse.de>
7509
7510         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
7511         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
7512         (lookup_decl_from_uid): Declare.
7513         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
7514         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
7515         (decl_for_uid_map): New global hashtable mapping DECL_UID
7516         to the decl tree.
7517         (init_ttree): Allocate it.
7518         (insert_decl_to_uid_decl_map): New helper function.
7519         (make_node_stat): Insert new decls into the map.
7520         (copy_node_stat): Likewise.
7521         (lookup_decl_from_uid): New function.
7522         (print_decl_for_uid_map_statistics): New helper.
7523         (dump_tree_statistics): Call it.
7524
7525         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
7526         (referenced_var_iterator): Adjust.
7527         (FOR_EACH_REFERENCED_VAR): Adjust.
7528         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
7529         (num_referenced_vars): Adjust.
7530         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
7531         (first_referenced_var): Remove.
7532         (end_referenced_vars_p): Likewise.
7533         (next_referenced_var): Likewise.
7534         (referenced_var_iterator_set): New helper function.
7535         * tree-dfa.c (referenced_var_lookup): Adjust.
7536         (referenced_var_check_and_insert): Likewise.
7537         (remove_referenced_var): Likewise.
7538         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
7539         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7540         (verify_call_clobbering): Likewise.
7541         (verify_memory_partitions): Likewise.
7542         (init_tree_ssa): Allocate bitmap instead of hashtable for
7543         referenced_vars.
7544         (delete_tree_ssa): Adjust.
7545         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
7546         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7547         (compute_tag_properties): Likewise.
7548         (set_initial_properties): Likewise.
7549         (find_partition_for): Likewise.
7550         (update_reference_counts): Likewise.
7551         (dump_may_aliases_for): Likewise.
7552         * tree-ssa-operands.c (add_virtual_operand): Likewise.
7553         (add_call_clobber_ops): Likewise.
7554         (add_call_read_ops): Likewise.
7555         (get_asm_expr_operands): Likewise.
7556         * tree-into-ssa.c (dump_decl_set): Likewise.
7557         (update_ssa): Likewise.
7558         * tree-sra.c (scan_function): Likewise.
7559         (decide_instantiations): Likewise.
7560         (scalarize_parms): Likewise.
7561         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
7562         (dsa_named_for): Likewise.
7563         * tree-ssa-structalias.c (update_alias_info): Likewise.
7564         (merge_smts_into): Likewise.
7565
7566 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
7567
7568         PR target/35258
7569         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
7570         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
7571         * alias.h (nonoverlapping_memrefs_p): Likewise.
7572
7573 2008-02-25  Jan Beulich  <jbeulich@novell.com>
7574
7575         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
7576         * config/i386/netware-libgcc.exp: Add __bswap?i2,
7577         __emultls_get_address, __emultls_register_common,
7578         __floatundi?f, and _Unwind_GetIPInfo.
7579         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
7580         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
7581         (gen_regparm_prefix): Likewise.
7582         (i386_nlm_encode_section_info): Sync with
7583         config/i386/winnt.c:i386_pe_encode_section_info().
7584         (i386_nlm_maybe_mangle_decl_assembler_name): New.
7585         i386_nlm_mangle_decl_assembler_name): New.
7586         (netware_override_options): New.
7587         * config/i386/netware.h (netware_override_options): Declare.
7588         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
7589         (i386_nlm_mangle_decl_assembler_name): Declare.
7590         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
7591
7592 2008-02-25  Ben Elliston  <bje@au.ibm.com>
7593
7594         PR other/32948
7595         * c-decl.c (grokdeclarator): Remove unused local variables
7596         `typedef_type' and `type_as_written'.
7597         * bb-reorder.c
7598         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
7599         unused local variable `has_hot_blocks'.
7600         (fix_crossing_conditional_branches): Remove unused local variable
7601         `prev_bb'.
7602
7603 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
7604
7605         PR middle-end/19984
7606         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
7607         using DEF_C99_BUILTIN.
7608         (BUILT_IN_NANF): Ditto.
7609         (BUILT_IN_NANL): Ditto.
7610
7611 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
7612             Revital Eres  <eres@il.ibm.com>
7613
7614         * modulo-sched.c (calculate_must_precede_follow): Address TODO
7615         regarding the order of two dependent insns in the same row.
7616
7617 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
7618
7619         * stor-layout.c (layout_decl): Do not bump the alignment of a
7620         bit-field to more than byte alignment if it is packed.
7621
7622 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
7623
7624         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
7625         e300c2 and e300c3.
7626
7627 2008-02-24  Diego Novillo  <dnovillo@google.com>
7628
7629         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
7630
7631         PR 33738
7632         * tree-vrp.c (vrp_evaluate_conditional): With
7633         -Wtype-limits, emit a warning when comparing against a
7634         constant outside the natural range of OP0's type.
7635         * c.opt (Wtype-limits): Move ...
7636         * common.opt (Wtype-limits): ... here.
7637
7638 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
7639
7640         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
7641         * config/rs6000/e300c2c3.md: New file.
7642         * config/rs6000/rs6000.c (processor_costs): Add new costs for
7643         e300c2 and e300c3.
7644         (rs6000_override_options): Add e300c2 and e300c3 cases to
7645         processor_target_table. Do not allow usage of Altivec or Spe
7646         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
7647         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
7648         * config/rs6000/rs6000.h (processor_type): Add
7649         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
7650         (ASM_CPU_SPEC): Add e300c2 and e300c3.
7651         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
7652         and ppce300c3. Include e300c2c3.md.
7653
7654 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
7655
7656         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
7657         instead of TARGET_STRICT_ALIGN.
7658
7659 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
7660
7661         * explow.c (memory_address): Assert that the generated address is
7662         valid.
7663
7664 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
7665
7666         PR target/25477
7667         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
7668         * config/darwin-ppc-ldouble-patch.def: New file.
7669         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
7670         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
7671         SUBTARGET_INIT_BUILTINS if defined.
7672         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
7673         New functions.
7674
7675 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7676
7677         PR rtl-opt/33512
7678         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
7679         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
7680
7681 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7682
7683         PR pch/35027
7684         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
7685         file" warning condtional on -Winvalid-PCH.
7686
7687 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
7688
7689         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
7690
7691 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
7692
7693         PR target/22076
7694         PR target/34256
7695         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
7696         prevent reload from using MMX registers.
7697         (*mov<mode>_internal): Ditto.
7698         (*movv2sf_internal_rex64): Ditto.
7699         (*movv2sf_internal): Ditto.
7700
7701 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7702
7703         PR documentation/31569
7704         * doc/install.texi2html: Use makeinfo --no-number-sections.
7705
7706 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
7707
7708         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
7709         ensure that we can address an entire entity > 8 bytes.  Don't
7710         generate reg+reg addressing for such data.
7711
7712 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
7713
7714         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
7715         strings when optimizing for size, unless the target cares about
7716         alignment.
7717
7718 2008-02-22  Tom Tromey  <tromey@redhat.com>
7719
7720         * regclass.c (current_pass): Remove declaration.
7721
7722 2008-02-22  Anatoly Sokolov <aesok@post.ru>
7723
7724         * config/avr/libgcc.S (__RAMPZ__): Define.
7725         (__do_copy_data): Add for devices with 128KB code memory.
7726
7727 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
7728
7729         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
7730         Use spe_abi.
7731         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
7732
7733 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
7734
7735         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
7736         GENNONACR_REGS.
7737
7738 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7739
7740         PR c/19999
7741         * c-typeck.c (build_binary_op): Warn about floating point
7742         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
7743
7744 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
7745
7746         PR target/34526
7747         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
7748         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
7749         add vrsave.
7750         (rs6000_override_options): Set altivec_abi as default, not override,
7751         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
7752         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
7753         is used; use new member spe_abi.
7754         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
7755         spe_abi and altivec_abi.
7756
7757 2008-02-22  Tomas Bily  <tbily@suse.cz>
7758
7759         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
7760
7761 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7762
7763         PR bootstrap/35273
7764         * config.build (build_file_translate): Set to `CMD //c' only if
7765         it works.
7766         * Makefile.in (build_file_translate): Improve comment.
7767
7768 2008-02-21  Jan Hubicka  <jh@suse.cz>
7769
7770         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
7771         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
7772         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
7773
7774 2008-02-21  Michael Matz  <matz@suse.de>
7775
7776         PR target/35264
7777         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
7778
7779 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
7780
7781         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
7782         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
7783         as insn constraint.
7784         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
7785         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
7786         SSE_VEC_FLOAT_MODE_P as insn constraint.
7787         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
7788         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
7789         sse4a_movntdf using MODEF mode iterator.
7790         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
7791         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
7792         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
7793         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
7794         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
7795         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
7796         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
7797
7798 2008-02-21  Richard Guenther  <rguenther@suse.de>
7799
7800         * tree.def (PAREN_EXPR): New tree code.
7801         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
7802         and PAREN_EXPR.
7803         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
7804         * expr.c (expand_expr_real_1): Likewise.
7805         * tree-inline.c (estimate_num_insns_1): Likewise.
7806         * tree-complex.c (expand_complex_move): Likewise.
7807         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
7808         as plain x.
7809
7810 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
7811
7812         PR target/35225
7813         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
7814
7815 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
7816
7817         PR target/35190
7818         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
7819
7820         * config/sh/sh.c (find_barrier): Don't go past
7821         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
7822
7823 2008-02-20  DJ Delorie  <dj@redhat.com>
7824
7825         * config/h8300/h8300.md (insv): Force source operand to be a register.
7826
7827         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
7828         as a jump, not as a plain insn.
7829
7830 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
7831
7832         * doc/invoke.texi (Warning Options): Add new option
7833         -Wframe-larger-than=.
7834         (-Wframe-larger-than): Document.
7835
7836         * flags.h (warn_frame_larger_than, frame_larger_than_size):
7837         Add declarations for new option variables.
7838
7839         * final.c (final_start_function): Check the frame size
7840         before emission and issue a Wframe-larger-than warning.
7841
7842         * opts.c (warn_frame_larger_than, frame_larger_than_size):
7843         Add definitions for new option variables.
7844         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
7845
7846         * common.opt (Wframe-larger-than=): New option.
7847
7848 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
7849
7850         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
7851         (<sse>_div<mode>3): Ditto.
7852         (<sse>_vmdiv<mode>3): Ditto.
7853         (<sse>_vmsqrt<mode>2): Ditto.
7854         (*smax<mode>3): Ditto.
7855         (sse5_frcz<mode>2): Ditto.
7856         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
7857         as insn constraint.
7858
7859 2008-02-20  Richard Guenther  <rguenther@suse.de>
7860
7861         PR middle-end/35265
7862         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
7863         be happy with INTEGRAL_TYPE_P.
7864
7865 2008-02-20  Richard Guenther  <rguenther@suse.de>
7866
7867         * fold-const.c (split_tree): Associate floatig-point expressions
7868         if flag_associative_math is set.
7869
7870 2008-02-20  Richard Guenther  <rguenther@suse.de>
7871
7872         * tree.h (fold_real_zero_addition_p): Declare.
7873         * fold-const.c (fold_real_zero_addition_p): Export.
7874         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
7875         floating-point operations with zero and one.
7876
7877 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
7878
7879         * doc/install.texi: Correct references to CFLAGS, replacing them
7880         with BOOT_CFLAGS.  Document flags used during bootstrap for
7881         target libraries.
7882
7883 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
7884
7885         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
7886         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
7887         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
7888         insn constraint.
7889         (smin<mode>3): Ditto from similar patterns.
7890         (smax<mode>3): Ditto.
7891         (*ieee_smin<mode>3): Ditto.
7892         (*ieee_smax<mode>3): Ditto.
7893         * config/i386/sse.md (sse): New mode attribute.
7894         (mov<mode>): Macroize expander from movv4sf and movv2df using
7895         SSEMODEF2P mode iterator.
7896         (<sse>_movnt<mode>): Ditto from similar patterns. Use
7897         SSE_VEC_FLOAT_MODE_P as insn constraint.
7898         (storent<mode>): Ditto.
7899         (storent<mode>): Macroize expander from storentsf and storentdf using
7900         MODEF mode iterator.
7901         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
7902         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
7903         (abs<mode>2): Ditto from similar patterns.
7904         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
7905         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
7906         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
7907         (<sse>_vmsqrt<mode>2): Ditto.
7908         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
7909         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
7910         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
7911         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
7912         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
7913         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
7914         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
7915         insn constraint.
7916         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
7917         iterator and SSE_FLOAT_MODE_P as insn constraint.
7918         (<sse>_ucomi): Ditto from similar patterns.
7919         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
7920         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
7921         SSE_VEC_FLOAT_MODE_P as insn constraint.
7922         (vcond<mode>): Ditto from similar patterns.
7923         (and<mode>3, *and<mode>3): Ditto.
7924         (<sse>_nand<mode>3): Ditto.
7925         (ior<mode>3, *ior<mode>3): Ditto.
7926         (xor<mode>3, *xor<mode>3): Ditto.
7927         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
7928         iterator and SSE_FLOAT_MODE_P as insn constraint.
7929         (*nand<mode>3): Ditto from similar patterns.
7930         (*ior<mode>3): Ditto.
7931         (*xor<mode>3): Ditto.
7932
7933 2008-02-20  Ira Rosen  <irar@il.ibm.com>
7934
7935         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
7936         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
7937         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
7938
7939 2008-02-19  Jan Hubicka  <jh@suse.cz>
7940
7941         * predict.c (tree_bb_level_predictions): Remove variable next
7942         mistakely introduced by previous commit.
7943
7944 2008-02-19  Jan Hubicka  <jh@suse.cz>
7945
7946         * predict.c (predict_paths_leading_to): Rewrite.
7947         (predict_paths_for_bb): New.
7948         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
7949
7950 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7951
7952         PR bootstrap/35218
7953         * Makefile.in (build_file_translate): New.
7954         (gcc-vers.texi): Use it for translating $(abs_srcdir).
7955         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
7956         * configure.ac (build_file_translate): Substitute it.
7957         * configure: Regenerate.
7958
7959 2008-02-19  Jan Hubicka  <jh@suse.cz>
7960
7961         PR rtl-optimization/34408
7962         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
7963         invalid sharing.
7964
7965 2008-02-19  Jan Hubicka  <jh@suse.cz>
7966
7967         PR middle-end/28779
7968         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
7969         call_expr.
7970
7971 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
7972
7973         PR Ada/35186
7974         * config/i386/i386-modes.def: Revert the last DI alignment
7975         change until Ada people can look into it.
7976
7977 2008-02-19  Nick Clifton  <nickc@redhat.com>
7978
7979         * opts.c (print_specific_help): Fix typo in --help text.
7980
7981 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
7982
7983         PR target/35239
7984         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
7985         32-bit inline asm without asm alternatives for host GCC < 3.0.
7986
7987 2008-02-19  Richard Guenther  <rguenther@suse.de>
7988
7989         PR tree-optimization/34989
7990         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
7991         Allow propagation to INDIRECT_REF if we can simplify only.
7992
7993 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7994
7995         * c-common.c (warn_for_collisions_1): Use appropriate option when
7996         warning.
7997
7998 2008-02-19  Nick Clifton  <nickc@redhat.com>
7999
8000         PR other/31349
8001         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
8002         (handle_options): Fix indentation.
8003         (print_filtered_help): If no language-specific options were
8004         displayed tell the user how to list all the options supported by
8005         the language's front-end.
8006         (print_specific_help): Fix indentation and remove duplicate line.
8007         (common_handle_option): Handle the -v option.
8008         For --help enable the display of undocumented options if the -v
8009         switch has been included on the command line.
8010         For --help= check for overlaps in the arguments between the option
8011         classes and the language names and issue a warning when they
8012         cannot be disambiguated.
8013         * c.opt (v): Pass on to the common option handler.
8014
8015 2008-02-19  Revital Eres  <eres@il.ibm.com>
8016
8017         * modulo-sched.c (sms_schedule): Change dump message when
8018         create_ddg function fails.
8019         (try_scheduling_node_in_cycle): Rename row to cycle.
8020         (print_partial_schedule): Rename CYCLE to ROW.
8021
8022 2008-02-19  Christian Bruel  <christian.bruel@st.com>
8023             Zdenek Dvorak  <ook@ucw.cz>
8024
8025         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
8026
8027 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
8028
8029         PR target/33555
8030         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
8031         (*x86_movdicc_0_m1_se): Ditto.
8032
8033 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
8034
8035         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
8036         (CMPtype): Define as __gcc_CMPtype.
8037         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
8038         (CMPtype): Define as __gcc_CMPtype.
8039
8040 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
8041
8042         Support valgrind 3.3 for --enable-checking=valgrind.
8043         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
8044         here.
8045         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
8046         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
8047         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
8048         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
8049         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
8050         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
8051         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
8052         respectively.
8053         * ggc-zone.c: Similar.
8054         * ggc-page.c: Similar.
8055
8056 2008-02-19  Paul Brook  <paul@codesourcery.com>
8057
8058         PR target/35071
8059         * config/arm/ieee754-df.S: Fix do_it typo.
8060         * config/arm/ieee754-sf.S: Fix do_it typo.
8061
8062 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
8063
8064         PR target/35189
8065         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
8066         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
8067         (OPTION_MASK_ISA_SSE_SET): Likewise.
8068         (OPTION_MASK_ISA_SSE2_SET): Likewise.
8069         (OPTION_MASK_ISA_SSE3_SET): Likewise.
8070         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
8071         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
8072         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
8073         (OPTION_MASK_ISA_SSE4_SET): Likewise.
8074         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
8075         (OPTION_MASK_ISA_SSE5_SET): Likewise.
8076         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
8077         (OPTION_MASK_ISA_MMX_UNSET): Updated.
8078         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
8079         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
8080         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
8081         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
8082         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
8083         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
8084         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
8085         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
8086         (OPTION_MASK_ISA_SSE4): Removed.
8087         (ix86_handle_option): Turn on bits in ix86_isa_flags and
8088         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
8089         (override_options): Don't turn on implied SSE/MMX bits in
8090         ix86_isa_flags.
8091
8092 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
8093
8094         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
8095         32bit host.
8096
8097 2008-02-18  Joey Ye  <joey.ye@intel.com>
8098
8099         PR middle-end/34921
8100         * tree-nested.c (insert_field_into_struct): Set type alignment
8101         to field alignment if the former is less than the latter.
8102
8103 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
8104
8105         * BASE-VER: Set to 4.4.0.
8106
8107 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8108
8109         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
8110         * doc/cfg.texi: Likewise.
8111         * doc/extend.texi: Likewise.
8112         * doc/gty.texi: Likewise.
8113         * doc/invoke.texi: Likewise.
8114         * doc/loop.texi: Likewise.
8115         * doc/md.texi: Likewise.
8116         * doc/passes.texi: Likewise.
8117         * doc/rtl.texi: Likewise.
8118         * doc/sourcebuild.texi: Likewise.
8119         * doc/tm.texi: Likewise.
8120         * doc/tree-ssa.texi: Likewise.
8121
8122 2008-02-17  Richard Guenther  <rguenther@suse.de>
8123
8124         PR middle-end/35227
8125         * tree-complex.c (init_parameter_lattice_values): Handle parameters
8126         without default definition.
8127
8128 2008-02-17  Richard Guenther  <rguenther@suse.de>
8129
8130         PR tree-optimization/35231
8131         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
8132         if A | B != 1.
8133
8134 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
8135
8136         Revert:
8137         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
8138         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
8139         libgcc_cmp_return mode.
8140
8141 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8142
8143         PR c/28368
8144         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
8145
8146 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
8147
8148         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
8149         multilibs.
8150
8151 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8152
8153         * doc/c-tree.texi: Use `@.' where appropriate.
8154         * doc/extend.texi: Likewise.
8155         * doc/install.texi: Likewise.
8156         * doc/invoke.texi: Likewise.
8157         * doc/loop.texi: Likewise.
8158         * doc/makefile.texi: Likewise.
8159         * doc/md.texi: Likewise.
8160         * doc/passes.texi: Likewise.
8161         * doc/standards.texi: Likewise.
8162         * doc/tm.texi: Likewise.
8163
8164 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
8165
8166         PR middle-end/35196
8167         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
8168         in entry_bb.
8169         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
8170         rather than in entry_bb.
8171
8172 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
8173
8174         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
8175         libgcc_cmp_return mode.
8176
8177 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
8178
8179         PR middle-end/35130
8180         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
8181         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
8182
8183 2008-02-15  Richard Guenther  <rguenther@suse.de>
8184             Zdenek Dvorak  <ook@ucw.cz>
8185
8186         PR tree-optimization/35164
8187         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
8188         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
8189         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
8190         Only propagate addresses which do not have abnormal SSA_NAMEs
8191         in their operands.
8192
8193 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
8194
8195         PR target/35088
8196         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
8197
8198 2008-02-15  Jan Hubicka  <jh@suse.cz>
8199
8200         PR middle-end/35149
8201         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
8202
8203 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
8204
8205         PR middle-end/34621
8206         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
8207         when calculating alignment_pad.
8208
8209 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
8210
8211         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
8212         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
8213         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
8214         and STACK_BOUNDARY define.
8215
8216 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
8217
8218         PR preprocessor/35061
8219         * c-pragma.c (handle_pragma_pop_macro): Check that
8220         pushed_macro_table has been allocated.
8221
8222 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
8223
8224         PR middle-end/35136
8225         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
8226         (force_gimple_operand): Likewise.
8227         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
8228         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
8229         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
8230         (find_interesting_uses_address): Check addressability and alignment
8231         of the base expression only after substituting bases of IVs into it.
8232
8233 2008-02-14  Michael Matz  <matz@suse.de>
8234
8235         PR target/34930
8236         * function.c (instantiate_virtual_regs_in_insn): Reload address
8237         before falling back to reloading the whole operand.
8238
8239 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
8240
8241         * config/s390/s390.c (s390_mainpool_start): Emit the pool
8242         before the first section switch note.
8243
8244 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8245
8246         * doc/bugreport.texi: Update copyright years.
8247         * doc/c-tree.texi: Likewise.
8248         * doc/cfg.texi: Likewise.
8249         * doc/cpp.texi: Likewise.
8250         * doc/cppinternals.texi: Likewise.
8251         * doc/fragments.texi: Likewise.
8252         * doc/frontends.texi: Likewise.
8253         * doc/gcc.texi: Likewise.
8254         * doc/gty.texi: Likewise.
8255         * doc/hostconfig.texi: Likewise.
8256         * doc/implement-c.texi: Likewise.
8257         * doc/libgcc.texi: Likewise.
8258         * doc/loop.texi: Likewise.
8259         * doc/makefile.texi: Likewise.
8260         * doc/options.texi: Likewise.
8261         * doc/passes.texi: Likewise.
8262         * doc/rtl.texi: Likewise.
8263         * doc/sourcebuild.texi: Likewise.
8264         * doc/standards.texi: Likewise.
8265         * doc/tree-ssa.texi: Likewise.
8266         * doc/trouble.texi: Likewise.
8267
8268         * doc/extend.texi: Use @: or add comma where appropriate.
8269         * doc/invoke.texi: Likewise.
8270         * doc/tm.texi: Likewise.
8271
8272 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
8273
8274         PR target/34393
8275         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
8276         to a reg.
8277
8278 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
8279
8280         * doc/md.texi (clz, ctz): Add reference.
8281         * doc/rtl.texi (clz, ctz): Likewise.
8282
8283 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8284
8285         PR other/35148
8286         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
8287         srcdir.
8288
8289 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
8290
8291         * config/s390/s390.c (struct constant_pool): New field
8292         emit_pool_after added.
8293         (s390_mainpool_start): Set the emit_pool_after flag according
8294         to the section switch notes.
8295         (s390_mainpool_finish): Consider emit_pool_after when emitting
8296         the literal pool at the end of the function.
8297         (s390_chunkify_start): Force literal pool splits at section
8298         switch notes.
8299
8300 2008-02-13  Michael Matz  <matz@suse.de>
8301
8302         PR debug/35065
8303         * var-tracking.c (clobber_variable_part): Correctly traverse the
8304         list.
8305
8306 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8307
8308         PR 29673
8309         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
8310         Add -fdump-ipa-inline.
8311         * tree-dump.c (dump_files): Remove tree-inlined dump.
8312         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
8313
8314 2008-02-12  Richard Guenther  <rguenther@suse.de>
8315
8316         PR tree-optimization/35171
8317         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
8318         default defs.
8319
8320 2008-02-12  Richard Guenther  <rguenther@suse.de>
8321
8322         PR middle-end/35163
8323         * fold-const.c (fold_widened_comparison): Use get_unwidened in
8324         value-preserving mode.  Disallow final truncation.
8325
8326 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
8327
8328         PR middle-end/35136
8329         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
8330         code from here to...
8331         (force_gimple_operand): ...here.
8332
8333 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
8334
8335         PR c++/35144
8336         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
8337         non-compatible pointers.
8338         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
8339         different FIELD_DECLs, try harder by comparing field offsets, sizes
8340         and types.
8341
8342         PR inline-asm/35160
8343         * function.c (match_asm_constraints_1): Don't replace the same input
8344         multiple times.
8345
8346 2008-02-12  Anatoly Sokolov <aesok@post.ru>
8347
8348         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
8349         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
8350         (expand_epilogue): Restore RAMPZ register.
8351         * config/avr/avr.md (RAMPZ_ADDR): New constant.
8352
8353 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
8354
8355         * config/i386/cygwin.asm: (__alloca): Correct calling
8356         convention and alignment.
8357         (__chkstk): Force 8 byte stack alignment.
8358
8359 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
8360             Richard Guenther  <rguenther@suse.de>
8361
8362         PR tree-optimization/33992
8363         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
8364         the zero we compare against.
8365
8366 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
8367
8368         PR libfortran/35063
8369         * gthr-win32.h (__gthread_mutex_destroy_function): New function
8370         to CloseHandle after unlocking to prevent accumulation of handle
8371         count.
8372
8373 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8374
8375         PR middle_end/34150
8376         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
8377         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
8378         and update LABEL_NUSES during and after reload.
8379
8380 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
8381
8382         PR middle-end/34627
8383         * combine.c (simplify_if_then_else): Make sure the comparison is
8384         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
8385
8386 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
8387
8388         PR bootstrap/35051
8389         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
8390         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
8391         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
8392         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
8393         * tree.h (get_type_static_bounds): Likewise.
8394
8395 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8396
8397         * doc/invoke.texi (Option Summary, C++ Dialect Options)
8398         (Objective-C and Objective-C++ Dialect Options, Warning Options):
8399         Make -Wfoo language annotations match what the compiler outputs.
8400
8401 2008-02-08  Sa Liu  <saliu@de.ibm.com>
8402
8403         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
8404         intrinsics spu_convts, spu_convtu, spu_convtf.
8405
8406 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
8407
8408         * doc/extend.texi (Function Attributes) <noinline>: Mention
8409         asm ("") as method to keep calls.
8410
8411 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8412
8413         PR other/32754
8414         * doc/options.texi (Options): Replace references to opts.sh with
8415         optc-gen.awk.
8416         * opts-common.c: Likewise.
8417         * optc-gen.awk: Likewise.
8418
8419 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
8420
8421         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
8422
8423 2008-02-07  Richard Henderson  <rth@redhat.com>
8424
8425         PR rtl-opt/33410
8426         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
8427         EXPR_LIST for the REG_EQUAL instead of a comparison with a
8428         funny mode.
8429
8430 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
8431
8432         PR tree-optimization/35085
8433         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
8434         for operand entry oe2 in addition to operand entry oe3 in order to
8435         expose more opportunities for vectorizer sum reduction.
8436
8437 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8438
8439         PR other/35107
8440         * Makefile.in (LIBS): Remove $(GMPLIBS).
8441         (cc1-dummy, cc1): Add $(GMPLIBS).
8442
8443 2008-02-06  Jan Hubicka  <jh@suse.cz>
8444
8445         PR target/23322
8446         * i386.md (moddf_integer): Do not produce partial memory stalls for
8447         targets where it hurts.
8448
8449 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
8450
8451         PR target/35083
8452         * optabs.c (expand_float): Do not check for decimal modes when
8453         expanding unsigned integer through signed conversion.
8454
8455 2008-02-06  Nick Clifton  <nickc@redhat.com>
8456
8457         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
8458         inside the clobber with a match_operand and duplicated operand
8459         number in the constraint.
8460         (ineqbranchsi): Delete redundant comment.
8461
8462 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
8463
8464         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
8465         builtin_define ("__USE_INIT_FINI__").
8466         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
8467         -msx multilibs.
8468         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
8469
8470 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8471
8472         PR documentation/30330
8473         * doc/invoke.texi (C++ Dialect Options)
8474         (Objective-C and Objective-C++ Dialect Options, Warning Options):
8475         For each warning option -Wfoo that allows -Wno-foo, ensure both
8476         -Wfoo and -Wno-foo are listed in the option index.  Fix index
8477         entry of -Wswitch-default, index -Wnormalized= including the
8478         `=', and -Wlarger-than-@var{len} including @var{len}.
8479
8480 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
8481
8482         * config/i386/i386.md (floatunssisf2): Use
8483         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
8484         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
8485         Macroize expander using MODEF mode iterator.
8486
8487 2008-02-05  Diego Novillo  <dnovillo@google.com>
8488
8489         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
8490
8491         PR 33738
8492         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
8493
8494 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8495
8496         PR other/35070
8497         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
8498
8499 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
8500
8501         PR target/35084
8502         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
8503         to indicate if a message should be generated.
8504         (init_cumulative_args): Updated.
8505         (function_value_32): Likewise.
8506
8507 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
8508
8509         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
8510
8511 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
8512
8513         PR target/35083
8514         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
8515         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
8516
8517 2008-02-04  Diego Novillo  <dnovillo@google.com>
8518
8519         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
8520
8521         PR 33738
8522         * tree-vrp.c (vrp_evaluate_conditional): With
8523         -Wtype-limits, emit a warning when comparing against a
8524         constant outside the natural range of OP0's type.
8525
8526 2008-02-04  Richard Guenther  <rguenther@suse.de>
8527
8528         PR middle-end/33631
8529         * expr.c (count_type_elements): Give for unions instead of
8530         guessing.
8531
8532 2008-02-04  Richard Guenther  <rguenther@suse.de>
8533
8534         PR middle-end/35043
8535         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
8536         to TYPE_DOMAINs base type instead of using bitsizetype here.
8537
8538 2008-02-03  Jason Merrill  <jason@redhat.com>
8539
8540         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
8541
8542 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8543
8544         PR other/29972
8545         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
8546         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
8547         (RS/6000 and PowerPC Options): Fix typos and markup.
8548         * doc/passes.texi (Tree-SSA passes): Likewise.
8549
8550 2008-02-02  Michael Matz  <matz@suse.de>
8551
8552         PR target/35045
8553         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
8554         from record_last_reg_set_info.
8555         (record_last_reg_set_info): Take an RTX argument, iterate over all
8556         constituent hardregs.
8557         (record_last_set_info, record_opr_changes): Change calls to
8558         new signature or to record_last_reg_set_info_regno.
8559
8560 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
8561
8562         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
8563
8564 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
8565
8566         PR rtl-optimization/34773
8567         * reg-notes.def (EQUAL): Mention significance of combination of
8568         REG_EQUAL and REG_RETVAL.
8569         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
8570         insn that has a REG_RETVAL.
8571
8572 2008-02-01  Roger Sayle  <roger@eyesopen.com>
8573
8574         PR bootstrap/33781
8575         * configure.ac (--enable-fixed-point): Disable unless explicitly
8576         requested on IRIX.
8577         * configure: Regenerate.
8578
8579 2008-02-01  Richard Guenther  <rguenther@suse.de>
8580
8581         PR other/35042
8582         * invoke.texi (-finline-limit): Remove no longer true parts
8583         of the documentation.  Note that there is no default value.
8584
8585 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
8586             Mark Mitchell  <mark@codesourcery.com>
8587             Ben Elliston  <bje@au.ibm.com>
8588
8589         PR c/29326
8590         * doc/extend.texi (Other Builtins): Document.
8591
8592 2008-01-31  Tom Browder <tom.browder@gmail.com>
8593
8594         * doc/c-tree.texi (Types): Fix grammar.
8595         (Expression trees): Ditto.
8596         * doc/passes.texi (Tree-SSA passes): Ditto.
8597
8598         * doc/configterms.texi (Configure Terms): Fix typo.
8599         * doc/cpp.texi (Common Predefined Macros): Ditto.
8600         * doc/md.texi (Machine Constraints): Ditto.
8601
8602         * doc/makefile.texi (Makefile): Add comma.
8603
8604 2008-01-31  Tom Browder  <tom.browder@gmail.com>
8605             Gerald Pfeifer  <gerald@pfeifer.com>
8606
8607         * doc/sourcebuild.texi (Front End): Remove references to CVS
8608         and CVSROOT/modules.
8609         (Texinfo Manuals): Replace reference to CVS by one to SVN.
8610         (Back End): Remove reference to CVS.
8611
8612 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
8613
8614         PR target/34900
8615         * config/mips/mips.c (gen_load_const_gp): New function, taking a
8616         comment from...
8617         (mips16_gp_pseudo_reg): ...here.
8618         * config/mips/mips.md (load_const_gp): Replace with...
8619         (load_const_gp_<mode>): ...this :P-based insn.
8620
8621 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8622
8623         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
8624         options. Minor fixes.
8625         (-std): Move reference to standards closer to where language
8626         standards are first mentioned.
8627
8628 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
8629
8630         PR rtl-optimization/34995
8631         * reload.c (alternative_allows_const_pool_ref): Take an rtx
8632         parameter and return a bool.  If the rtx parameter is nonnull,
8633         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
8634         (find_reloads): Update call accordingly.  Pass the new operand
8635         if it needed no address reloads, otherwise pass null.
8636
8637 2008-01-30  Richard Henderson  <rth@redhat.com>
8638
8639         PR c/34993
8640         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
8641         for unbounded arrays.
8642
8643 2008-01-30  Silvius Rus  <rus@google.com>
8644
8645         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
8646
8647 2008-01-30  Jan Hubicka  <jh@suse.cz>
8648
8649         PR target/34982
8650         * i386.c (init_cumulative_args): Use real function declaration when
8651         calling locally.
8652
8653 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
8654
8655         PR rtl-optimization/34998
8656         * global.c (build_insn_chain): Treat non-subreg_lowpart
8657         SUBREGs of pseudos as clobbering all the words covered by the
8658         SUBREG, not just all the bytes.
8659         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
8660         original df_ref rather than an extract parameter.
8661         (global_conflicts): Update call accordingly.
8662
8663 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
8664
8665         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
8666         the overflow check to make it easier to read.
8667         (__fixtfdi): Change the type of the ll member in union
8668         long_double to UDItype_x.
8669
8670 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
8671
8672         PR middle-end/34969
8673         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
8674         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
8675         * tree-inline.c (fold_marked_statements): Call
8676         cgraph_update_edges_for_call_stmt if folding a call statement.
8677         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
8678         debug_generic_stmt calls, reset it back afterwards.
8679
8680         PR c/35017
8681         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
8682         static decls.
8683         * c-typeck.c (build_external_ref): Don't pedwarn about
8684         static vars in current function's scope.
8685
8686 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
8687
8688         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
8689
8690 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
8691
8692         PR c/35002
8693         * ipa-struct-reorg.c: Fix spelling.
8694         * params.def: Ditto.
8695
8696 2008-01-29  Richard Guenther  <rguenther@suse.de>
8697
8698         PR middle-end/35006
8699         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
8700         field.
8701         * tree-inline.c (remap_type): Increment remapping_type_depth
8702         around remapping types.
8703         (copy_body_r): Only add referenced variables if they are referenced
8704         from code, not types.
8705
8706 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
8707
8708         PR c++/34055
8709         PR c++/34103
8710         PR c++/34219
8711         PR c++/34606
8712         PR c++/34753
8713         PR c++/34754
8714         PR c++/34755
8715         PR c++/34919
8716         PR c++/34961
8717         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
8718         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
8719
8720 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
8721
8722         PR target/34412
8723         * config/avr/avr.c (expand_prologue): Use correct QI mode frame
8724         pointer for tiny stack.
8725
8726 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
8727
8728         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
8729
8730 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
8731
8732         * config/vx-common.h: Fix typo in comment.
8733
8734 2008-01-28  Ian Lance Taylor  <iant@google.com>
8735
8736         PR c++/34862
8737         PR c++/33407
8738         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
8739         coalesce pointers if they have different DECL_NO_TBAA_P values.
8740         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
8741         between variables with different DECL_NO_TBAA_P values.
8742
8743 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
8744
8745         PR 31535
8746         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
8747         are not legitimate small data references on SPE targets.
8748
8749 2008-01-28  David Daney  <ddaney@avtrex.com>
8750
8751         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
8752
8753 2008-01-28  David Daney  <ddaney@avtrex.com>
8754
8755         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
8756
8757 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
8758
8759         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
8760         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
8761         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
8762         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
8763         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
8764         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
8765         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
8766         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
8767
8768 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
8769
8770         * basic-block.h (condjump_equiv_p): Fix comment.
8771
8772 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
8773
8774         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
8775         print_generic_stmt_indented): Fix comment.
8776
8777 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
8778
8779         * configure.ac (__stack_chk_fail): Add detecion for availability
8780         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
8781         * configure: Regenerate.
8782
8783 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
8784
8785         PR middle-end/34688
8786         * final.c (output_addr_const): Handle TRUNCATE.
8787
8788 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
8789
8790         PR target/34711
8791         * tree-ssa-loop-ivopts.c (comp_cost): New type.
8792         (zero_cost, infinite_cost): New constants.
8793         (struct cost_pair): Change type of cost to comp_cost.
8794         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
8795         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
8796         New functions.
8797         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
8798         split_address_cost, ptr_difference_cost, difference_cost,
8799         get_computation_cost_at, get_computation_cost,
8800         determine_use_iv_cost_generic, determine_use_iv_cost_address,
8801         determine_use_iv_cost_condition, determine_use_iv_costs,
8802         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
8803         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
8804         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
8805         Change type of cost to comp_cost.
8806         (determine_iv_cost): Increase cost of non-original ivs, instead
8807         of decreasing the cost of original ones.
8808         (get_address_cost): Indicate the complexity of the addressing mode
8809         in comp_cost.
8810         (try_add_cand_for): Prefer using ivs not specific to some object.
8811         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
8812
8813 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
8814             Janis Johnson  <janis187@us.ibm.com>
8815
8816         PR target/34814
8817         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
8818         (TARGET_INSTANTIATE_DECLS): Likewise.
8819         * target.h (expand_to_rtl_hook): New target hook.
8820         (instantiate_decls): Likewise.
8821         * function.c (instantiate_decl): Make non-static.  Rename to...
8822         (instantiate_decl_rtl): ... this.
8823         (instantiate_expr): Use instantiate_decl_rtl.
8824         (instantiate_decls_1): Likewise.
8825         (instantiate_decls): Likewise.
8826         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
8827         * function.h (instantiate_decl_rtl): Add prototype.
8828         * cfgexpand.c (target.h): New include.
8829         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
8830         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
8831         (TARGET_INSTANTIATE_DECLS): Likewise.
8832         (TARGET_INITIALIZER): New target hooks added.
8833         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
8834         New prototype.
8835         * config/rs6000/rs6000.c (tree-flow.h): New include.
8836         (machine_function): Add sdmode_stack_slot field.
8837         (rs6000_alloc_sdmode_stack_slot): New function.
8838         (rs6000_instantiate_decls): Likewise.
8839         (rs6000_secondary_memory_needed_rtx): Likewise.
8840         (rs6000_check_sdmode): Likewise.
8841         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
8842         (TARGET_INSTANTIATE_DECLS): Likewise.
8843         (rs6000_hard_regno_mode_ok): Allow SDmode.
8844         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
8845         (rs6000_emit_move): Handle SDmode.
8846         (function_arg_advance): Likewise.
8847         (function_arg): Likewise.
8848         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
8849         SDmode var args for 32-bit compiles.
8850         (rs6000_secondary_reload_class): Handle SDmode.
8851         (rs6000_output_function_epilogue): Likewise.
8852         (rs6000_function_value): Simplify if statement.
8853         (rs6000_libcall_value): Likewise.
8854         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
8855         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
8856         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
8857         (movsd_hardfloat): New define_insn.
8858         (movsd_softfloat): Likewise.
8859         (movsd_store): Likewise.
8860         (movsd_load): Likewise.
8861         (extendsddd2): Likewise.
8862         (extendsdtd2): Likewise.
8863         (truncddsd2): Likewise.
8864         (movdd_hardfloat64): Fixup comment.
8865         (UNSPEC_MOVSD_LOAD): New constant.
8866         (UNSPEC_MOVSD_STORE): Likewise.
8867
8868 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
8869
8870         PR c++/34965
8871         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
8872         TRUTH_XOR_EXPR.
8873         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
8874         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
8875         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
8876         and TRUTH_XOR_EXPR.
8877
8878 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
8879
8880         PR target/34794
8881         * config.gcc: Separate AIX 5.3 from AIX 6.1.
8882         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
8883         __LONGDOUBLE128 too.
8884         * config/rs6000/aix61.h: New file.
8885
8886 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
8887
8888         PR rtl-optimization/34959
8889         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
8890         popcount and parity rtxes the same mode as their operand.
8891         Truncate or extend the result to the return value's mode
8892         if necessary.
8893
8894 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
8895
8896         PR target/34981
8897         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
8898         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
8899         to GOT_VERSION_REGNUM.
8900         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
8901         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
8902         * config/mips/mips.c (mips_emit_call_insn): New function.
8903         (mips_call_tls_get_addr): Call mips_expand_call directly.
8904         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
8905         emit_call_insn.
8906         (mips16_build_call_stub): Likewise.  Return the call insn or null.
8907         (mips_expand_call): Update the call to mips16_build_call_stub
8908         accordingly and a remove redundant condition.  Assert that MIPS16
8909         stubs do not use lazy binding.  Use mips_emit_call_insn and return
8910         the call insn.
8911         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
8912         TARGET_USE_GOT.
8913         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
8914         (mips_avoid_hazard): Remove hazard_set handling.
8915         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
8916         (UNSPEC_RESTORE_GP): ...this.
8917         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
8918         (FAKE_CALL_REGNO): Rename to...
8919         (GOT_VERSION_REGNUM): ...this.
8920         (type): Add "ghost" value.  Add an associated insn reservation.
8921         (hazard_set): Remove.
8922         (exception_receiver): Rename to...
8923         (restore_gp): ...this and update the unspec identifier accordingly.
8924         (exception_receiver, nonlocal_got_receiver): New expanders.
8925         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
8926         FAKE_CALL_REGNO.  Remove hazard_set attribute.
8927         (set_got_version, update_got_version): New patterns.
8928
8929 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
8930
8931         PR target/34970
8932         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
8933
8934 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
8935
8936         PR other/31955
8937         * doc/install.texi2html: Generate gcc-vers.texi.
8938
8939 2008-01-25  DJ Delorie  <dj@redhat.com>
8940
8941         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
8942
8943 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
8944
8945         * config/c4x: Remove directory.
8946         * config.gcc (crx-*, mt-*): Mark obsolete.
8947         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
8948         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
8949         sh-*-rtemscoff*): Remove cases.
8950         * defaults.h (C4X_FLOAT_FORMAT): Remove.
8951         * real.c (encode_c4x_single, decode_c4x_single,
8952         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
8953         c4x_extended_format): Remove.
8954         * real.h (c4x_single_format, c4x_extended_format): Remove.
8955         * doc/extend.texi (interrupt, naked): Remove mention of attributes
8956         on C4x.
8957         (Pragmas): Remove comment about c4x pragmas.
8958         * doc/install.texi (c4x): Remove target-specific instructions.
8959         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
8960         * doc/md.texi (Machine Constraints): Remove C4x documentation.
8961         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
8962         refer to C4x source files as examples.
8963         (C4X_FLOAT_FORMAT): Remove documentation.
8964
8965 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
8966
8967         * config/bfin/bfin.c (override_options): Reorder tests so that
8968         flag_pic gets enabled for -msep-data.
8969
8970 2008-01-25  Richard Guenther  <rguenther@suse.de>
8971
8972         PR middle-end/32244
8973         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
8974         to its bitfield precision if required.
8975
8976 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
8977
8978         PR middle-end/33880
8979         * tree-nested.c (walk_omp_for): New function.
8980         (convert_nonlocal_reference, convert_local_reference): Call
8981         walk_omp_for on OMP_FOR.
8982         (convert_call_expr): Call walk_body on OMP_FOR's
8983         OMP_FOR_PRE_INIT_BODY.
8984
8985 2008-01-25  Richard Guenther  <rguenther@suse.de>
8986
8987         PR tree-optimization/34966
8988         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
8989         default defs and PHI_NODEs we have to insert after the
8990         defining statement.
8991
8992 2008-01-24  Nick Clifton  <nickc@redhat.com>
8993
8994         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
8995         Provide a default definition.
8996         (LIBGCC2_UNITS_PER_WORD): Likewise.
8997
8998         * config/stormy16/stormy16.c: Include df.h for the prototype
8999         for df_regs_ever_live_p.
9000         (xstormy16_expand_builtin_va_start): Convert the stack offset
9001         into a component_ref and then use POINTER_PLUS_EXPR to add it
9002         to the incoming_virtual_args_rtx.
9003         (xstormy16_gimplify_va_arg_expr): Rename to
9004         xstormy16_gimplify_va_arg_expr.
9005         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
9006         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
9007         xstormy16_gimplify_va_arg_expr.
9008         Fix up some formatting issues.
9009
9010         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
9011         Move to predicates.md.
9012         (xs_hi_general_operand): Likewise.
9013         (xs_hi_nonmemory_operand): Likewise.
9014         * config/stormy16/predicates.md:
9015         (xstormy16_carry_plus_operand): New predicate.
9016         (xs_hi_general_operand): New predicate.
9017         (xs_hi_nonmemory_operand): New predicate.
9018         * config/stormy16/stormy16-protos.h:
9019         (xstormy16_carry_plus_operand): Delete prototype.
9020         (xs_hi_general_operand): Likewise.
9021         (xs_hi_nonmemory_operand): Likewise.
9022
9023         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
9024         modifiers as they are no longer needed and they can trigger
9025         reload spill failures.
9026
9027         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
9028         with a match_operand in order to help reload.
9029
9030         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
9031         constraint with 'e' for the 8th alternative as this version of
9032         the mov.w instruction only accepts the lower 8 registers.
9033
9034 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
9035
9036         PR target/34856
9037         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
9038         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
9039         vector elements.
9040
9041 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
9042
9043         PR middle-end/33333
9044         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
9045
9046 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
9047
9048         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
9049         New functions.
9050         (remove_structure): Update allocations list before removing structure.
9051
9052 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
9053
9054         * ipa-struct-reorg.c (is_safe_cond_expr,
9055         create_new_stmts_for_cond_expr): Use integer_zerop function,
9056         that recognize not only zero-pointer, but zero-integer too.
9057
9058 2008-01-25  Ben Elliston  <bje@au.ibm.com>
9059
9060         PR other/22232
9061         * fixproto: Escape "." in sed expression that strips leading "./".
9062
9063 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
9064
9065         PR driver/34904
9066         * gcc.c (SWITCH_OK): Removed.
9067         (SWITCH_LIVE): Changed to bit.
9068         (SWITCH_FALSE): Likewise.
9069         (SWITCH_IGNORE): Likewise.
9070         (switchstr): Change live_cond to unsigned int.
9071         (process_command): Replace SWITCH_OK with 0.
9072         (do_self_spec): Likewise.
9073         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
9074         (give_switch): Likewise.
9075         (used_arg): Likewise.
9076         (do_spec_1): Set the SWITCH_IGNORE bit.
9077         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
9078         bits.  Set the SWITCH_LIVE bit.
9079
9080 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
9081
9082         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
9083
9084 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
9085
9086         PR tree-optimization/34472
9087         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
9088         parameter to a "bool *" and set *DATA to false if there is
9089         an unsafe access.  Do not delete the structure here.
9090         (check_cond_exprs): Delete it here instead.
9091         (check_cond_exprs, exclude_cold_structs): Do not increase
9092         I when removing a structure.
9093
9094 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
9095
9096         PR target/34856
9097         * config/i386/i386.c (ix86_expand_vector_init): Consider only
9098         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
9099
9100 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
9101
9102         PR middle-end/34934
9103         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
9104         a fixed vector for stack.
9105
9106 2008-01-24  Ben Elliston  <bje@au.ibm.com>
9107
9108         PR c++/25701
9109         * doc/gcc.texi (Software development): Add a direntry for g++.
9110
9111 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
9112
9113         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
9114         stale and straggling -fforce-addr comments above.
9115
9116         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
9117         define.
9118         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
9119         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
9120
9121 2008-01-23  Michael Matz  <matz@suse.de>
9122
9123         PR debug/34895
9124         * dwarf2out.c (force_type_die): Use modified_type_die instead of
9125         gen_type_die.
9126
9127 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
9128
9129         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
9130         malloc result type.
9131
9132 2008-01-23 Anatoly Sokolov <aesok@post.ru>
9133
9134         * config/avr/avr.c (avr_current_arch): New variable.
9135         (avr_arch_types): Add 'avr31' and 'avr51' entries.
9136         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
9137         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
9138         (avr_override_options): Init 'avr_current_arch'.
9139         (base_arch_s): Move from here...
9140         * config/avr/avr.h (base_arch_s): ... here. Add new members
9141         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
9142         'mega' to 'have_jmp_call'.
9143         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
9144         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
9145         macros.
9146         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
9147         architectures.
9148         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
9149         MULTILIB_MATCHES): (Ditto.).
9150
9151 2008-01-23  Richard Guenther  <rguenther@suse.de>
9152
9153         PR middle-end/31529
9154         * cgraphunit.c (cgraph_reset_node): Always mark the node
9155         not reachable if it is not queued already.
9156
9157 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
9158
9159         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
9160         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
9161         (cputype_selected): New static variable.
9162         (bfin_handle_option): Set it if -mcpu is used.
9163         (override_option): Select default set of workarounds if no cpu type
9164         selected on the command line.
9165         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
9166
9167         From  Michael Frysinger  <michael.frysinger@analog.com>
9168         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
9169         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
9170
9171         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
9172         for bf547, bf523, bf524, and bf526.
9173         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
9174         bf526.
9175         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9176         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
9177         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
9178         __ADSPBF547__ and __ADSPBF54x__ for bf547.
9179         * doc/invoke.texi (Blackfin Options): Document that
9180         -mcpu now accept bf547, bf523, bf524, and bf526.
9181
9182 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
9183
9184         PR rtl-optimization/34628
9185         * combine.c (try_combine): Stop and undo after the first combination
9186         if an autoincrement side-effect on the first insn has effectively
9187         been lost.
9188
9189 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
9190
9191         PR target/34529
9192         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
9193         Offset addresses are not valid for Altivec or paired float modes.
9194
9195 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
9196
9197         PR c++/34607
9198         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
9199         if DECL_INITIAL (decl) is error_mark_node.
9200
9201         PR c++/34914
9202         * c-common.c (handle_vector_size_attribute): Only allow
9203         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
9204         the same way as pointer, array etc. types.
9205         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
9206
9207         PR c++/34917
9208         * tree.c (build_type_attribute_qual_variant): Call
9209         build_qualified_type if attributes are equal, but quals are not.
9210
9211 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9212
9213         PR 32102
9214         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
9215         * flags.h (warn_strict_aliasing): Remove.
9216         (warn_strict_overflow): Remove.
9217         * opts.c (warn_strict_aliasing): Remove.
9218         (warn_strict_overflow): Remove.
9219         * c-opts.c (c_common_handle_option): -Wall only sets
9220         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
9221         (c_common_post_options): Give default values to -Wstrict-aliasing
9222         and -Wstrict-overflow if they are uninitialized.
9223         * common.opt (Wstrict-aliasing): Specify Var and Init.
9224         (Wstrict-overflow): Likewise.
9225
9226 2008-01-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
9227
9228         PR rtl-optimization/26854
9229         PR rtl-optimization/34400
9230         PR rtl-optimization/34884
9231         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
9232         DF_RD->gen.
9233         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
9234         (df_rd_bb_info.expanded_lr_out): Deleted
9235         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
9236         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
9237         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
9238         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
9239         Removed code to allocate, initialize or free expanded_lr_out.
9240         (df_rd_bb_local_compute_process_def): Restructured to make more
9241         understandable.
9242         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
9243         sets if the sets are being trimmed.
9244
9245 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
9246
9247         PR bootstrap/32287
9248         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
9249         (as_vers): Likewise.
9250         * configure: Regenerated.
9251
9252 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9253
9254         PR middle-end/33092
9255         * tree-pass.h (pass_build_alias): New pass.
9256         * tree-ssa-alias.c (gate_build_alias): New.
9257         (pass_build_alias): New.
9258         * passes.c (init_optimization_passes): Add pass_build_alias after
9259         pass_create_structure_vars.
9260
9261 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
9262
9263         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
9264         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
9265         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
9266         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
9267         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
9268         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
9269         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
9270         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
9271         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
9272         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
9273         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
9274         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
9275         * config/s390/s390.md (FP_ALL): New mode iterator.
9276         (_d): New mode attribute.
9277         ("*signbit<mode>2>"): Changed mode of first operand.
9278         ("isinf<mode>2"): Changed mode of first operand.
9279         ("*TDC_insn"): Adaptation for DFP modes.
9280
9281 2008-01-22  Ben Elliston  <bje@au.ibm.com>
9282
9283         * tree.c (check_qualified_type): Improve function description.
9284
9285 2008-01-21  Jason Merrill  <jason@redhat.com>
9286
9287         PR c++/34196
9288         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
9289         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
9290         if it is set.
9291
9292 2008-01-21  DJ Delorie  <dj@redhat.com>
9293
9294         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
9295         return zero.
9296
9297 2008-01-21  Richard Guenther  <rguenther@suse.de>
9298
9299         PR middle-end/34856
9300         * tree-cfg.c (verify_expr): Allow all invariant expressions
9301         instead of just constant class ones as reference argument.
9302         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
9303         like any other constant.
9304         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
9305
9306 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
9307
9308         * regmove.c (fixup_match_1): Update call crossed frequencies.
9309
9310 2008-01-21  Richard Guenther  <rguenther@suse.de>
9311
9312         PR c/34885
9313         * tree-inline.c (setup_one_parameter): Deal with mismatched
9314         types using a VIEW_CONVERT_EXPR.
9315
9316 2008-01-21  Alon Dayan  <alond@il.ibm.com>
9317             Olga Golovanevsky  <olga@il.ibm.com>
9318
9319         PR tree-optimization/34701
9320         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
9321         when the structure size is not a power of 2.
9322
9323 2008-01-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
9324
9325         * doc/install.texi: Add doc for --enable-checking=df.
9326
9327 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9328
9329         PR rtl-optimization/34808
9330         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
9331
9332 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
9333
9334         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
9335         input.
9336
9337 2008-01-19  Kenneth Zadeck  <zadeck@naturalbridge.com>
9338
9339         PR rtl-optimization/26854
9340         PR rtl-optimization/34400
9341         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
9342         DF_RD->gen.
9343         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
9344         (df_rd_bb_info.expanded_lr_out): New.
9345         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
9346         * loop_iv.c (iv_analysis_loop_init): Ditto.
9347         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
9348         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
9349         Added code to allocate, initialize or free expanded_lr_out.
9350         (df_rd_bb_local_compute_process_def): Restructured to make
9351         more understandable.
9352         (df_rd_confluence_n): Add code to do nothing with fake edges and
9353         code to no apply invalidate_by_call sets if the sets are being trimmed.
9354         (df_lr_local_finalize): Renamed to df_lr_finalize.
9355         (df_live_local_finalize): Renamed to df_live_finalize.
9356
9357 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
9358
9359         PR target/34831
9360         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
9361         deciding whether to use reciprocal instructions.
9362
9363 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
9364
9365         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
9366         dwarf2out_note_section_used if cold_text_section is NULL.
9367
9368 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
9369
9370         PR gcov-profile/34610
9371         * tree-cfg.c (make_edges): Mark both outgoing edges from
9372         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
9373         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
9374         from OMP_FOR and OMP_CONTINUE outgoing edges.
9375
9376         * tree-profile.c (tree_profiling): Return early if
9377         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
9378         at the end.
9379         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
9380         from cfun to child_cfun.
9381         * function.h (struct function): Add after_tree_profile bit.
9382
9383 2008-01-19 Anatoly Sokolov <aesok@post.ru>
9384
9385         * config/avr/avr.S (_exit): Disable interrupt.
9386
9387 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
9388             Steven Bosscher  <stevenb.gcc@gmail.com>
9389
9390         PR rtl-optimization/26854
9391         PR rtl-optimization/34400
9392         * df-problems.c (df_live_scratch): New scratch bitmap.
9393         (df_live_alloc): Allocate df_live_scratch when doing df_live.
9394         (df_live_reset): Clear the proper bitmaps.
9395         (df_live_bb_local_compute): Only process the artificial defs once
9396         since the order is not important.
9397         (df_live_init): Init the df_live sets only with the variables
9398         found live by df_lr.
9399         (df_live_transfer_function): Use the df_lr sets to prune the
9400         df_live sets as they are being computed.
9401         (df_live_free): Free df_live_scratch.
9402
9403 2008-01-18  Ian Lance Taylor  <iant@google.com>
9404
9405         * common.opt: Add fmerge-debug-strings.
9406         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
9407         flag_merge_debug_strings rather than flag_merge_constants.
9408         * doc/invoke.texi (Option Summary): Mention
9409         -fmerge-debug-strings.
9410         (Debugging Options): Document -fmerge-debug-strings.
9411
9412 2008-01-18  Ian Lance Taylor  <iant@google.com>
9413
9414         PR c++/33407
9415         * tree.h (DECL_IS_OPERATOR_NEW): Define.
9416         (struct tree_function_decl): Add new field operator_new_flag.
9417         * tree-inline.c (expand_call_inline): When inlining a call to
9418         operator new, force the return value to go into a variable, and
9419         set DECL_NO_TBAA_P on that variable.
9420         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
9421
9422 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
9423
9424         PR debug/34484
9425         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
9426         DWARF2_DEBUGGING_INFO.
9427         (dwarf2out_note_section_used): Ditto.  Add prototype.
9428         (have_multiple_function_sections, text_section_used,
9429         cold_text_section_used, *cold_text_sections): Move declarations
9430         before their uses.
9431
9432 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
9433
9434         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
9435         field and add signal_ra.
9436         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
9437         assignments to frame state pc.  Move end of stack check after
9438         MD_FALLBACK_FRAME_STATE_FOR.
9439         (uw_update_context_1): Use frame state signal_regs if set, instead
9440         of checking signal_frame flag.
9441         (uw_update_context): Use frame state signal_ra if set.
9442         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
9443         * config/xtensa/linux-unwind.h: New file.
9444
9445 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
9446
9447         * modulo-sched.c (get_sched_window): Fix comment typo.
9448
9449 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
9450
9451         PR tree-optimization/34648
9452         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
9453
9454 2008-01-17  Anatoly Sokolov <aesok@post.ru>
9455
9456         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
9457         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
9458
9459 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
9460
9461         PR rtl-optimization/34400
9462         * df-core.c (df_worklist_dataflow_overeager,
9463         df_worklist_dataflow_doublequeue): New functions.
9464         (df_worklist_dataflow): Two different worklist solvers.
9465         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
9466         New param.
9467
9468 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9469
9470         PR testsuite/34821
9471         * doc/invoke.texi: Document the dependence on pthread for fopenmp
9472         and ftree-parallelize-loops.
9473
9474 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
9475
9476         PR rtl-optimization/34826
9477         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
9478
9479 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
9480
9481         * global.c (find_reg): Mark the eh regs as used if necessary.
9482         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
9483         * ra.h (struct allocno): no_eh_reg field added.  Changed
9484         no_stack_reg type to bitfield.
9485
9486 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
9487
9488         * tree.c (substitute_in_expr): Add missing 'break'.
9489
9490 2008-01-17  Richard Guenther  <rguenther@suse.de>
9491
9492         PR tree-optimization/34825
9493         * tree-ssa-math-opts.c (is_division_by): Do not recognize
9494         x / x as division to handle.
9495
9496 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9497
9498         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
9499         "-pthread" is specified.
9500         * pa-hpux11.h (LIB_SPEC): Likewise.
9501
9502 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
9503             Peter Bergner  <bergner@vnet.ibm.com>
9504
9505         PR rtl-optimization/33796
9506         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
9507
9508 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9509
9510         PR libgfortran/34699
9511         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
9512         static links.
9513         * pa-hpux10.h (LINK_SPEC): Likewise.
9514         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
9515
9516 2008-01-16  Richard Guenther  <rguenther@suse.de>
9517
9518         PR middle-end/32628
9519         * fold-const.c (fold_convert_const_int_from_int): Do not
9520         set overflow if that occured only because of a sign extension
9521         change when converting from/to a sizetype with the same
9522         precision and signedness.
9523
9524 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
9525
9526         PR debug/34249
9527         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
9528         location address to the correct place.  Update copyright year.
9529
9530 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9531
9532         * lambda-code.c (lambda_transform_legal_p): Handle the case of
9533         no dependences in the dependence_relations vector.
9534
9535 2008-01-16  Jan Hubicka  <jh@suse.cz>
9536
9537         PR rtl-optimization/31396
9538         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
9539         * cfg.c (dump_reg_info): Print it.
9540         * regs.h (struct reg_info_t): add freq_calls_crossed.
9541         (REG_FREQ_CALLS_CROSSED): New macro.
9542         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
9543         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
9544         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
9545         regmove_optimize): Update call crossed frequencies.
9546         * local-alloc.c (struct qty): Add freq_calls_crossed.
9547         (alloc_qty): Copute freq_calls_crossed.
9548         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
9549         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
9550         * ra.h (struct allocno): Add freq_calls_crossed.
9551
9552 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9553
9554         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
9555         libgomp when compiling with ftree-parallelize-loops.
9556         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
9557
9558 2008-01-16  Richard Guenther  <rguenther@suse.de>
9559
9560         PR tree-optimization/34769
9561         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
9562         * tree.c (int_cst_value): Instead make this function more
9563         permissive in what it accepts as valid input.  Document this
9564         function always sign-extends the value.
9565
9566 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
9567             Richard Guenther  <rguenther@suse.de>
9568
9569         PR c/34668
9570         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
9571         (gimple_fold_indirect_ref_rhs): ... this.
9572         (gimple_fold_indirect_ref): New function with foldings
9573         that preserve lvalueness.
9574         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
9575         * tree-flow.h (gimple_fold_indirect_ref): Declare.
9576         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
9577         to fold an INDIRECT_REF, fall back to the old use of
9578         fold_indirect_ref_1.
9579
9580 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9581
9582         * tree-data-ref.c (subscript_dependence_tester_1): Call
9583         free_conflict_function.
9584         (compute_self_dependence): Same.
9585
9586 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
9587
9588         PR debug/34249
9589         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
9590         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
9591         function global.
9592         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
9593         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
9594         for DWARF2_UNWIND_INFO targets.
9595
9596 2008-01-16  Richard Guenther  <rguenther@suse.de>
9597
9598         PR c/34768
9599         * c-typeck.c (common_pointer_type): Do not merge inconsistent
9600         type qualifiers for function types.
9601
9602 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
9603
9604         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
9605         loop_iterator li from previous commit.
9606
9607 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
9608
9609         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
9610
9611 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
9612
9613         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
9614         (parallelize_loops): Don't parallelize irreducible components.
9615
9616 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9617
9618         PR c++/24924
9619         * c-opts (c_common_post_options): Do not enable CPP
9620         flag_pedantic_errors by default.
9621
9622 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
9623
9624         PR rtl-optimization/31944
9625         * cse.c (remove_pseudo_from_table): New function.
9626         (merge_equiv_classes): Use above function to remove pseudo-registers.
9627         (invalidate): Likewise.
9628
9629 2008-01-13  Richard Guenther  <rguenther@suse.de>
9630
9631         PR middle-end/34601
9632         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
9633         instead of TYPE_MODE to deal with calls from expand_one_error_var.
9634
9635 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
9636
9637         * gcse.c (cprop_jump): Call validate_unshare_change instead of
9638         validate_change to unshare the source of the PC set.
9639
9640 2008-01-12  Jan Hubicka  <jh@suse.cz>
9641
9642         PR middle-end/32135
9643         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
9644         references above array bounds.  This might trigger bounds checks for
9645         pointers to arrays.
9646
9647 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
9648
9649         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
9650         new_replaceable_dependencies.
9651
9652 2008-01-12  Doug Kwan  <dougkwan@google.com>
9653
9654         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
9655         instead of OPT_Wreturn_type in warning due to ignored return type
9656         qualifiers.
9657         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
9658         options included in -Wextra.
9659         * c.opt: New option -Wignored_qualifiers.
9660         * doc/invoke.texi (Warning Options, -Wextra): Add new option
9661         -Wignore_qualifiers.
9662         (-Wignored-qualifiers): Document.
9663         (-Wreturn-type): Remove description of functionality now handled
9664         by -Wignored-qualifiers.
9665
9666 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
9667
9668         PR ada/33788
9669         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
9670         NOP_EXPR if it is between integral types with the same precision.
9671
9672 2008-01-12  Jan Hubicka  <jh@suse.cz>
9673
9674         PR other/28023
9675         * invoke.texi (max-inline-recursive-depth): Fix default value.
9676
9677 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
9678
9679         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
9680         correct type.
9681
9682 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
9683
9684         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
9685
9686 2008-01-11  James E. Wilson  <wilson@specifix.com>
9687
9688         PR target/26015
9689         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
9690
9691 2008-01-11  Anatoly Sokolov <aesok@post.ru>
9692
9693         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
9694         save/restore frame pointer register and don't use 'call-prologues'
9695         optimization in function with "OS_task" attribute.
9696
9697 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
9698
9699         PR middle-end/31309
9700         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
9701         when copying to memory.
9702
9703 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
9704
9705         PR rtl-optimization/30905
9706         * cfgcleanup.c: Include dce.h
9707         (crossjumps_occured): New global variable.
9708         (try_crossjump_bb): Exit loop after finding a fallthru edge.
9709         If something changed, set crossjumps_occured to true.
9710         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
9711         Don't add/remove fake edges to exit here...
9712         (cleanup_cfg): ...but do it here, when crossjumping.
9713         Run a fast DCE when successful crossjumps occured in the latest
9714         iteration of try_optimize_cfg.
9715
9716 2008-01-11  Richard Guenther  <rguenther@suse.de>
9717
9718         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
9719         (struct vn_unary_op_s): Likewise.
9720         (vn_reference_insert): Free old reference on hash collision.
9721
9722 2008-01-10  Raksit Ashok  <raksit@google.com>
9723
9724         PR rtl-optimization/27971
9725         * combine.c (find_split_point): Split PLUS expressions which are
9726         inside a MEM rtx, and whose first operand is complex.
9727
9728 2008-01-10  DJ Delorie  <dj@redhat.com>
9729
9730         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
9731         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
9732         (m32c_hard_regno_ok): Call the underlying function.
9733
9734 2008-01-10  Richard Guenther  <rguenther@suse.de>
9735
9736         PR middle-end/34683
9737         * tree-cfg.c (tree_merge_blocks): Do not go through the
9738         full-blown folding and stmt updating path if we just deal
9739         with virtual operands.
9740         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
9741         test for abnormal SSA_NAMEs.
9742
9743 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
9744
9745         PR middle-end/34641
9746         * reload.c (push_reload): Add assertions.  All constants from
9747         reg_equiv_constant should have been used for replacing the respective
9748         pseudo earlier.
9749         (find_reloads_address): Invoke find_reloads_address_part for
9750         constant taken from the reg_equiv_constant array.
9751
9752 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
9753
9754         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
9755         field (valnum) the first in the struct.  Replace bools with
9756         unit bit fields.
9757
9758 2008-01-10  Richard Guenther  <rguenther@suse.de>
9759
9760         PR tree-optimization/34651
9761         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
9762         types and ordering for masking and converting.
9763
9764 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
9765
9766         PR tree-optimization/34017
9767         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
9768         also for PHI_NODE expressions.
9769
9770 2008-01-09  Jan Hubicka  <jh@suse.cz>
9771
9772         PR tree-optimization/34708
9773         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
9774         based on number of case labels.
9775         (init_inline_once): Remove switch_cost.
9776         * tree-inline.h (eni_weights_d): Remove switch_cost.
9777
9778 2008-01-09  Richard Guenther  <rguenther@suse.de>
9779         Andrew Pinski  <andrew_pinski@playstation.sony.com>
9780
9781         PR middle-end/30132
9782         * gimplify.c (gimplify_cond_expr): Do not create an addressable
9783         temporary if an rvalue is ok or an lvalue is not required.
9784
9785 2008-01-09  Richard Guenther  <rguenther@suse.de>
9786
9787         PR middle-end/34458
9788         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
9789         adjust return type.
9790
9791 2008-01-09  Richard Guenther  <rguenther@suse.de>
9792
9793         PR middle-end/34679
9794         * tree.c (host_integerp): Check for sizetype only if the
9795         type is an integer type.
9796
9797 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
9798
9799         PR debug/26364
9800         * opts.c (decode_options): Disable inlining of functions called
9801         once if not in unit-at-a-time mode.
9802
9803 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
9804
9805         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
9806
9807 2008-01-08  Richard Guenther  <rguenther@suse.de>
9808
9809         PR middle-end/31863
9810         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
9811         out early if the result will be unused.
9812
9813 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
9814
9815         PR target/34709
9816         Revert:
9817
9818         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
9819         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
9820         for TARGET_RECIP.
9821
9822 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
9823
9824         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
9825         for vectorization tuned.
9826
9827 2008-01-08  Richard Guenther  <rguenther@suse.de>
9828
9829         PR tree-optimization/34683
9830         * tree-ssa-operands.c (operand_build_cmp): Export.
9831         * tree-ssa-operands.h (operand_build_cmp): Declare.
9832         * tree-vn.c (vuses_compare): Remove.
9833         (sort_vuses): Use operand_build_cmp.
9834         (sort_vuses_heap): Likewise.
9835         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
9836         to re-use old VEC if available.  Do not sort already sorted VUSEs.
9837         (vdefs_to_vec): Do not sort already sorted VDEFs.
9838
9839 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
9840
9841         PR middle-end/34694
9842         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
9843
9844 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
9845
9846         PR target/34702
9847         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
9848         limitations of reciprocal sequences on x86 targets.
9849
9850 2008-01-08  Richard Guenther  <rguenther@suse.de>
9851
9852         PR tree-optimization/34683
9853         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
9854
9855 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
9856
9857         PR target/34622
9858         * config/darwin.c (darwin_mergeable_string_section): Don't use
9859         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
9860
9861 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
9862
9863         PR target/34682
9864         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
9865         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
9866         predicates of op0 and op1 to register_operand.
9867         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
9868         expander using X87MODEF mode iterator.  Change predicates of
9869         op0 and op1 to register_operand.
9870         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
9871         corresponding patterns and macroize using MODEF macro.  Change
9872         predicates of op0 and op1 to register_operand and remove
9873         "m" constraint. Disparage "r" alternative with "!".
9874         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
9875         macroize using X87MODEF macro.  Change predicates of op0 and op1
9876         to register_operand and remove "m" constraint.  Disparage "r"
9877         alternative with "!".
9878         (absneg splitter with memory operands): Remove.
9879         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
9880         patterns and macroize using X87MODEF mode iterator.
9881         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
9882         Change predicate of op1 to register_operand.
9883         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
9884         for memory operands.
9885
9886 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
9887
9888         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
9889
9890 2008-01-07  Richard Guenther  <rguenther@suse.de>
9891
9892         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
9893         fields.
9894
9895 2008-01-07  Richard Guenther  <rguenther@suse.de>
9896
9897         PR tree-optimization/34683
9898         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
9899         VOPs of the needed size to save memory.  Use VEC_quick_push
9900         to save compile-time.
9901         (vdefs_to_vec): Likewise.
9902
9903 2008-01-07  Sa Liu  <saliu@de.ibm.com>
9904
9905         * config/spu/spu.md (divdf3): Genetate inline code for double
9906         division.  The implementation doesn't handle INF or NAN, therefore it
9907         only applies when -ffinite-math-only is given.
9908
9909 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
9910
9911         PR libstdc++/34680
9912         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
9913         * doc/cpp.texi ([Common Predefined Macros]): Document.
9914
9915 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
9916
9917         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
9918         order to use commutative addition instead of subtraction.
9919
9920 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9921             Mircea Namolaru  <namolaru@il.ibm.com>
9922             Vladimir Yanovsky  <yanov@il.ibm.com>
9923             Revital Eres  <eres@il.ibm.com>
9924
9925         PR tree-optimization/34263
9926         * tree-outof-ssa.c (process_single_block_loop_latch,
9927         contains_tree_r): New functions.
9928         (analyze_edges_for_bb): Call process_single_block_loop_latch
9929         function to empty single-basic-block latch block if possible.
9930
9931 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
9932
9933         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
9934         for TARGET_RECIP.
9935         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
9936
9937 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
9938
9939         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
9940
9941 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
9942
9943         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
9944
9945 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
9946
9947         PR tree-optimization/34618
9948         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
9949         flag from T.
9950
9951 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
9952
9953         PR target/34673
9954         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
9955         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
9956         Update copyright year.
9957
9958         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
9959         Update copyright year.
9960         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
9961         using NR fixup.
9962
9963 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
9964
9965         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
9966         edge does not point to current bb before changing need_assert.
9967
9968 2008-01-04  Richard Guenther  <rguenther@suse.de>
9969
9970         PR middle-end/34029
9971         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
9972         for verifying purposes if they are is_gimple_min_invariant.
9973
9974 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
9975
9976         PR tree-optimization/34448
9977         PR tree-optimization/34465
9978         * gimplify.c (gimplify_init_constructor): Add new parameter
9979         notify_temp_creation.  Use it.
9980         (gimplify_modify_expr_rhs): Take volatiles into account when
9981         optimizing constructors.
9982         Do not optimize constructors if gimplify_init_constructor will dump to
9983         memory.
9984         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
9985         * gcc.c-torture/compile/pr34448.c: New.
9986
9987 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
9988
9989         PR gcov-profile/34609
9990         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
9991         return_slot if result is TREE_ADDRESSABLE.
9992
9993 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
9994
9995         * config/mips/mips.md (sqrt_condition): Tweak comment.
9996         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
9997
9998 2008-01-03  Tom Tromey  <tromey@redhat.com>
9999
10000         PR c/34457
10001         * c-common.c (c_type_hash): Handle VLAs.
10002
10003 2008-01-03  Jan Hubicka  <jh@suse.cz>
10004
10005         PR tree-optimization/31081
10006         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
10007         0 when inlining and not inlining to first basic block.
10008         (remap_decl): When var is initialized to 0, don't set default_def.
10009         (expand_call_inline): Set entry_bb.
10010         * tree-inline.h (copy_body_data): Add entry_bb.
10011
10012 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
10013
10014         PR c++/34619
10015         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
10016         before returning.
10017
10018         PR tree-optimization/29484
10019         * tree-inline.c (inline_forbidden_p_2): New function.
10020         (inline_forbidden_p): Disallow inlining if some static var
10021         has an address of a local LABEL_DECL in its initializer.
10022         * doc/extend.texi (Labels as Values): Document &&foo behaviour
10023         vs. inlining.
10024
10025 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
10026
10027         PR tree-optimization/34635
10028         * tree-data-ref.c (add_other_self_distances): Make sure that the
10029         evolution step is constant.
10030
10031 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
10032
10033         PR middle-end/34608
10034         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
10035
10036 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
10037
10038         * tree-sra.c (scalarize_init): Insert the generate_element_init
10039         statements after the generate_element_zero statements.
10040
10041 2008-01-02  Richard Guenther  <rguenther@suse.de>
10042
10043         PR middle-end/34093
10044         PR middle-end/31976
10045         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
10046         for very large number of operands instead of ICEing.
10047
10048 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
10049
10050         PR target/34013
10051         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
10052         while stack probing.
10053
10054 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
10055
10056         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
10057         in C++0x mode.
10058
10059 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
10060
10061         PR libmudflap/26442
10062         * tree-mudflap.c (mx_register_decls): Guard warning by
10063         !DECL_ARTIFICIAL check.
10064
10065 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
10066
10067         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
10068         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
10069         sse5_perm<mode>): Fix constraints.