gcc/ChangeLog

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